CN111365876A

CN111365876A - Fourth-class thermally-driven compression heat pump

Info

Publication number: CN111365876A
Application number: CN202010119303.0A
Authority: CN
Inventors: 李鸿瑞; 李华玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-10
Filing date: 2020-02-17
Publication date: 2020-07-03

Abstract

The invention provides a fourth type of thermally driven compression heat pump, and belongs to the technical field of power, refrigeration and heat pumps. The compressor is provided with a circulating working medium channel which is communicated with the expander through a high-temperature heat supply device, the expander is also provided with a circulating working medium channel which is communicated with the second expander through a heat source heat exchanger, the second expander is also provided with a circulating working medium channel which is communicated with the third expander through a low-temperature heat supply device, the third expander is also provided with a circulating working medium channel which is communicated with the compressor through a cold supply device, the high-temperature heat supply device is also communicated with the outside through a heated medium channel, the heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the low-temperature heat supply device is also provided with a cooling medium channel which is communicated with the outside, the cold supply device is also communicated with the outside through a cooled medium channel, and the expander, the second expander and the third expander are connected with.

Description

Fourth-class thermally-driven compression heat pump

The technical field is as follows:

the invention belongs to the technical field of power, refrigeration, heat supply and heat pumps.

Background art:

cold demand, heat demand and power demand, which are common in human life and production; to achieve the cold, heat and power requirements, one pays for the cost of the equipment. In order to reduce the corresponding cost, people need simple and direct basic technical support; especially under the condition of multi-temperature difference utilization or multi-energy utilization or the condition of simultaneously meeting different energy supply requirements, the fundamental technology provides guarantee for realizing a simple, active and efficient energy production and utilization system.

The invention provides a fourth type of thermally driven compression heat pump which takes a compressor, an expander and a heat exchanger as basic components, and aims to meet the conditions of high-temperature heat demand and refrigeration demand simultaneously by using medium-temperature heat resources, or realize high-temperature heat supply and low-temperature heat supply by using medium-temperature heat resources, and consider taking power resource utilization into consideration or meeting external power demand into consideration, and follow the principle of simply, actively and efficiently realizing temperature difference and energy difference utilization.

The invention content is as follows:

the invention mainly aims to provide a fourth type of thermally driven compression heat pump, and the specific contents of the invention are explained in different items as follows:

1. a fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device and a cold supply device; the compressor is provided with a circulating working medium channel which is communicated with the expander through a high-temperature heat supply device, the expander is also provided with a circulating working medium channel which is communicated with the second expander through a heat source heat exchanger, the second expander is also provided with a circulating working medium channel which is communicated with the third expander through a low-temperature heat supply device, the third expander is also provided with a circulating working medium channel which is communicated with the compressor through a cold supply device, the high-temperature heat supply device is also communicated with the outside through a heated medium channel, the heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the low-temperature heat supply device is also provided with a cooling medium channel which is communicated with the outside, the cold supply device is also communicated with the outside through a cooled medium channel, and the expander, the second expander and the third expander are connected with.

2. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger and a low-temperature heat supply device; the external part is communicated with a compressor by a refrigerated medium channel, the compressor and the refrigerated medium channel are communicated with an expander by a high-temperature heat supply device, the expander and the refrigerated medium channel are communicated with a second expander by a heat source heat exchanger, the second expander and the refrigerated medium channel are communicated with a third expander by a low-temperature heat supply device, the third expander and the refrigerated medium channel are communicated with the external part, the high-temperature heat supply device and the heated medium channel are communicated with the external part, the heat source heat exchanger and the heat source medium channel are communicated with the external part, the low-temperature heat supply device and the cooling medium channel are communicated with the external part, and the expander, the second expander and the third expander are connected with the compressor and transmit power to form a fourth-class heat-driven compression heat pump.

3. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger and a cold supply device; the external part is provided with a cooling medium channel communicated with a third expander, the third expander and the cooling medium channel are communicated with a compressor through a cold supply device, the compressor and the cooling medium channel are communicated with the expander through a high-temperature heat supply device, the expander and the cooling medium channel are communicated with a second expander through a heat source heat exchanger, the second expander and the cooling medium channel are communicated with the external part, the high-temperature heat supply device and a heated medium channel are communicated with the external part, the heat source heat exchanger and the heat source medium channel are communicated with the external part, the cold supply device and a refrigerated medium channel are communicated with the external part, and the expander, the second expander and the third expander are connected with the compressor and transmit power to form a fourth-class heat-driven compression heat pump.

4. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a low-temperature heat supply device and a cold supply device; the external part is provided with a heat source medium channel communicated with a second expander, the second expander is also provided with a heat source medium channel communicated with a third expander through a low-temperature heat supply device, the third expander is also provided with a heat source medium channel communicated with a compressor through a cold supply device, the compressor is also provided with a heat source medium channel communicated with the expander through a high-temperature heat supply device, the expander is also provided with a heat source medium channel communicated with the external part, the high-temperature heat supply device is also provided with a heated medium channel communicated with the external part, the low-temperature heat supply device is also provided with a cooling medium channel communicated with the external part, the cold supply device is also provided with a cooled medium channel communicated with the external part, and the expander, the second expander and the third expander are connected with the compressor and transmit power to form a fourth type.

5. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a heat source heat exchanger, a low-temperature heat supply device and a cold supply device; the external part is communicated with a heated medium channel, the expander and the heated medium channel are communicated with a second expander through a heat source heat exchanger, the second expander and the heated medium channel are communicated with a third expander through a low-temperature heat supply device, the third expander and the heated medium channel are communicated with a compressor through a cold supply device, the compressor and the heated medium channel are communicated with the external part, the heat source heat exchanger and the heat source medium channel are communicated with the external part, the low-temperature heat supply device and the cooling medium channel are communicated with the external part, the cold supply device and the cooled medium channel are communicated with the external part, and the expander, the second expander and the third expander are connected with the compressor and transmit power to form a fourth-class heat-driven compression heat pump.

6. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the compressor is provided with a circulating working medium channel which is communicated with the expander through a high-temperature heat supply device, the expander is also provided with a circulating working medium channel which is communicated with the second expander through a heat source heat exchanger, the second expander is also provided with a circulating working medium channel which is communicated with the third expander through a low-temperature heat supply device and a heat regenerator, the third expander is also provided with a circulating working medium channel which is communicated with the compressor through a cold supply device and a heat regenerator, the high-temperature heat supply device is also communicated with the outside through a heated medium channel, the heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the low-temperature heat supply device is also provided with a cooling medium channel which is communicated with the outside, the cooler is also communicated with the outside through a cooled medium channel, and the expander, the second expander and the third expander are connected with.

7. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device and a heat regenerator; the external part is communicated with a compressor through a heat regenerator, the compressor and a refrigerated medium channel are communicated with an expander through a high-temperature heat supply device, the expander and the refrigerated medium channel are communicated with a second expander through a heat source heat exchanger, the second expander and the refrigerated medium channel are communicated with a third expander through a low-temperature heat supply device and a heat regenerator, the third expander and the refrigerated medium channel are communicated with the external part, the high-temperature heat supply device and a heated medium channel are communicated with the external part, the heat source heat exchanger and the heat source medium channel are communicated with the external part, the low-temperature heat supply device and a cooling medium channel are communicated with the external part, and the expander, the second expander and the third expander are connected with the compressor and transmit power to form a fourth class of heat-driven compression heat pump.

8. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a cold supply device and a heat regenerator; the external part is provided with a cooling medium channel which is communicated with a third expander through a heat regenerator, the third expander and the cooling medium channel are communicated with a compressor through a cold supplier and the heat regenerator, the compressor and the cooling medium channel are communicated with the expander through a high-temperature heat supplier, the expander and the cooling medium channel are communicated with a second expander through a heat source heat exchanger, the second expander 2 and the cooling medium channel are communicated with the external part, the high-temperature heat supplier and a heated medium channel are communicated with the external part, the heat source heat exchanger and a heat source medium channel are communicated with the external part, the cold supplier and a refrigerated medium channel are communicated with the external part, and the expander, the second expander and the third expander are connected with the compressor and transmit power to form a fourth type heat-driven compression heat pump.

9. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is provided with a heat source medium channel communicated with the second expander 2, the second expander is also provided with a heat source medium channel communicated with a third expander through a low-temperature heat supply device and a heat regenerator, the third expander is also provided with a heat source medium channel communicated with a compressor through a cold supply device and a heat regenerator, the compressor is also provided with a heat source medium channel communicated with the expander through a high-temperature heat supply device, the expander is also provided with a heat source medium channel communicated with the external part, the high-temperature heat supply device is also communicated with the external part through a heated medium channel, the low-temperature heat supply device is also provided with a cooling medium channel communicated with the external part, the cold supply device is also communicated with the external part through a cooled medium channel, and the expander, the second expander and the third expander are connected with the compressor and transmit power to form a fourth type.

10. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is communicated with a heated medium channel, the expander and the heated medium channel are communicated with a second expander through a heat source heat exchanger, the second expander and the heated medium channel are communicated with a third expander through a low-temperature heat supply device and a heat regenerator, the third expander and the heated medium channel are communicated with a compressor through a cold supply device and a heat regenerator, the compressor is communicated with the external part through a heated medium channel, the heat source heat exchanger and the heat source medium channel are communicated with the external part, the low-temperature heat supply device and a cooling medium channel are communicated with the external part, the cold supply device and the cooled medium channel are communicated with the external part, and the expander, the second expander and the third expander are connected with the compressor and transmit power to form a fourth type heat-driven compression heat pump.

11. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the compressor is provided with a circulating working medium channel which is communicated with the expander through a high-temperature heat supply device, the expander is also provided with a circulating working medium channel which is communicated with the second expander through a heat regenerator and a heat source heat exchanger, the second expander is also provided with a circulating working medium channel which is communicated with the third expander through a heat regenerator and a low-temperature heat supply device, the third expander is also provided with a circulating working medium channel which is communicated with the compressor through a cold supply device, the high-temperature heat supply device is also communicated with the outside through a heated medium channel, the heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the low-temperature heat supply device is also provided with a cooling medium channel which is communicated with the outside, the expander, the second expander and the third expander are connected with the compressor and transmit power, and the fourth type heat-driven compression heat.

12. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device and a heat regenerator; the external part is communicated with a compressor by a refrigerated medium channel, the compressor and the refrigerated medium channel are communicated with an expander by a high-temperature heat supply device, the expander and the refrigerated medium channel are communicated with a second expander by a heat regenerator and a heat source heat exchanger, the second expander and the refrigerated medium channel are communicated with a third expander by a heat regenerator and a low-temperature heat supply device, the third expander and the refrigerated medium channel are communicated with the external part, the high-temperature heat supply device and the heated medium channel are communicated with the external part, the heat source heat exchanger and the heat source medium channel are communicated with the external part, the low-temperature heat supply device and the cooling medium channel are communicated with the external part, and the expander, the second expander and the third expander are connected with the compressor and transmit power to form a fourth class of heat-driven compression heat pump.

13. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a cold supply device and a heat regenerator; the external part is provided with a cooling medium channel which is communicated with a third expander 3, the third expander and the cooling medium channel are communicated with a compressor through a cold supply device, the compressor and the cooling medium channel are communicated with the expander through a high-temperature heat supply device, the expander and the cooling medium channel are communicated with a second expander through a heat regenerator and a heat source heat exchanger, the second expander and the cooling medium channel are communicated with the external part through the heat regenerator, the high-temperature heat supply device and the heated medium channel are communicated with the external part, the heat source heat exchanger and the heat source medium channel are communicated with the external part, the cold supply device and the cooled medium channel are communicated with the external part, and the expander, the second expander and the third expander are connected with the compressor and transmit power to form a fourth type heat-driven compression heat pump.

14. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is provided with a heat source medium channel communicated with a second expander, the second expander, a heat source medium channel, a heat regenerator, a low-temperature heat supplier and a third expander, the third expander, a heat source medium channel, a cold supplier and a compressor are communicated, the compressor, a heat source medium channel, a high-temperature heat supplier and an expander are communicated, the expander, a heat source medium channel, a heated medium channel, a low-temperature heat supplier, a cooling medium channel and a cooling medium channel are communicated, the cold supplier, a refrigerated medium channel and an external part are communicated, the expanders, the second expander and the third expander are connected with the compressor and transmit power, and a fourth type heat-driven compression heat pump is formed.

15. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is communicated with a heated medium channel, the expander, the heated medium channel, the second expander, the heated medium channel, the heat regenerator and a heat source heat exchanger are communicated with a third expander, the heated medium channel, the heat source heat exchanger, the heat source medium channel, the heat source heat exchanger, the cooling medium channel, the cold supply channel, the expander, the second expander and the third expander are connected with the compressor and transmit power to form a fourth type of heat-driven compression heat pump.

16. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the compressor is provided with a circulating working medium channel which is communicated with the expander through a high-temperature heat supply device and a heat regenerator, the expander is also provided with a circulating working medium channel which is communicated with the second expander through a heat source heat exchanger and a heat regenerator, the second expander is also provided with a circulating working medium channel which is communicated with the third expander through a low-temperature heat supply device, the third expander is also provided with a circulating working medium channel which is communicated with the compressor through a cold supply device, the high-temperature heat supply device is also communicated with the outside through a heated medium channel, the heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the low-temperature heat supply device is also provided with a cooling medium channel which is communicated with the outside, the expander, the second expander and the third expander are connected with the compressor and transmit power, and the fourth type heat-driven compression heat.

17. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device and a heat regenerator; the external part is communicated with a compressor by a refrigerated medium channel, the compressor and the refrigerated medium channel are communicated with an expander by a high-temperature heat supply device and a heat regenerator, the expander and the refrigerated medium channel are communicated with a second expander by a heat source heat exchanger and a heat regenerator, the second expander and the refrigerated medium channel are communicated with a third expander by a low-temperature heat supply device, the third expander and the refrigerated medium channel are communicated with the external part, the high-temperature heat supply device and the heated medium channel are communicated with the external part, the heat source heat exchanger and the heat source medium channel are communicated with the external part, the low-temperature heat supply device and the cooling medium channel are communicated with the external part, and the expander, the second expander and the third expander are connected with the compressor and transmit power to form a fourth class of heat-driven compression heat pump.

18. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a cold supply device and a heat regenerator; the external part is provided with a cooling medium channel communicated with a third expander, the third expander and the cooling medium channel are communicated with a compressor through a cold supply device, the compressor and the cooling medium channel are communicated with the expander through a high-temperature heat supply device and a heat regenerator, the expander and the cooling medium channel are communicated with a second expander through a heat source heat exchanger and a heat regenerator, the second expander and the cooling medium channel are communicated with the external part, the high-temperature heat supply device and the heated medium channel are communicated with the external part, the heat source heat exchanger and the heat source medium channel are communicated with the external part, the cold supply device and the cooled medium channel are communicated with the external part, and the expander, the second expander and the third expander are connected with the compressor and transmit power to form a fourth type heat-driven compression heat pump.

19. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a low-temperature heat supply device, a cold supply device and a heat regenerator; the heat source medium channel is communicated with the second expander through the heat regenerator, the heat source medium channel is communicated with the third expander through the low-temperature heat supplier, the heat source medium channel is communicated with the compressor through the cold supplier, the heat source medium channel is communicated with the expander through the high-temperature heat supplier and the heat regenerator, the heat source medium channel is communicated with the outside, the high-temperature heat supplier is communicated with the outside, the low-temperature heat supplier is communicated with the outside through the cooling medium channel, the cold supplier is communicated with the outside through the cooling medium channel, the expander, the second expander and the third expander are connected with the compressor and transmit power, and the fourth type heat-driven compression heat pump is formed.

20. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is provided with a heated medium channel which is communicated with the expander through a heat regenerator, the expander and the heated medium channel are communicated with the second expander through a heat source heat exchanger and the heat regenerator, the second expander and the heated medium channel are communicated with the third expander through a low-temperature heat supply device, the third expander and the heated medium channel are communicated with the compressor through a cold supply device, the compressor and the heated medium channel are communicated with the external part, the heat source heat exchanger and the heat source medium channel are communicated with the external part, the low-temperature heat supply device and the cooling medium channel are communicated with the external part, the cold supply device and the cooled medium channel are communicated with the external part, and the expander, the second expander and the third expander are connected with the compressor and transmit power to form a fourth type heat-driven compression heat pump.

21. A fourth type of thermally driven compression heat pump, which is the fourth type of thermally driven compression heat pump according to any one of claims 1 to 20, wherein a power machine is added, the power machine is connected with the compressor and provides power for the compressor, and the fourth type of thermally driven compression heat pump driven by external power is formed.

22. A fourth type of thermally driven compression heat pump according to any one of claims 1 to 20, wherein a working machine is added, and the expansion machine is connected to the working machine and supplies power to the working machine, thereby forming a fourth type of thermally driven compression heat pump which additionally supplies a load for supplying power to the outside.

Description of the drawings:

fig. 1 is a diagram of a 1 st principal thermodynamic system of a fourth type of thermally driven compression heat pump according to the present invention.

Fig. 2 is a schematic diagram of a 2 nd principle thermodynamic system of a fourth type of thermally driven compression heat pump according to the present invention.

Fig. 3 is a diagram of a 3 rd principle thermodynamic system of a fourth type of thermally driven compression heat pump according to the present invention.

Fig. 4 is a diagram of a 4 th principle thermodynamic system of a fourth type of thermally driven compression heat pump according to the present invention.

Fig. 5 is a diagram of a 5 th principle thermodynamic system of a fourth type of thermally driven compression heat pump according to the present invention.

Fig. 6 is a diagram of a 6 th principle thermodynamic system of a fourth type of thermally driven compression heat pump according to the present invention.

Fig. 7 is a 7 th principle thermodynamic system diagram of a fourth type of thermally driven compression heat pump provided in accordance with the present invention.

Fig. 8 is a diagram of a 8 th principle thermodynamic system of a fourth type of thermally driven compression heat pump according to the present invention.

Fig. 9 is a diagram of a 9 th principle thermodynamic system of a fourth type of thermally driven compression heat pump according to the present invention.

Fig. 10 is a diagram of a 10 th principle thermodynamic system for a fourth class of thermally driven compression heat pump according to the present invention.

Fig. 11 is a diagram of a 11 th principle thermodynamic system of a fourth type of thermally driven compression heat pump according to the present invention.

Fig. 12 is a 12 th principle thermodynamic system diagram of a fourth type of thermally driven compression heat pump provided in accordance with the present invention.

Fig. 13 is a 13 th principle thermodynamic system diagram of a fourth type of thermally driven compression heat pump provided in accordance with the present invention.

Fig. 14 is a diagram of a 14 th principle thermodynamic system of a fourth type of thermally driven compression heat pump according to the present invention.

Fig. 15 is a diagram of a 15 th principle thermodynamic system for a fourth class of thermally driven compression heat pump according to the present invention.

Fig. 16 is a diagram of a 16 th principle thermodynamic system for a fourth class of thermally driven compression heat pump provided in accordance with the present invention.

Fig. 17 is a diagram of a 17 th principle thermodynamic system for a fourth class of thermally driven compression heat pump according to the present invention.

Fig. 18 is a diagram of a 18 th principle thermodynamic system of a fourth type of thermally driven compression heat pump according to the present invention.

Fig. 19 is a diagram of a 19 th principle thermodynamic system for a fourth class of thermally driven compression heat pump according to the present invention.

Fig. 20 is a diagram of a 20 th principle thermodynamic system of a fourth type of thermally driven compression heat pump provided in accordance with the present invention.

In the figure, 1-expander, 2-second expander, 3-third expander, 4-compressor, 5-high temperature heat supply device, 6-heat source heat exchanger, 7-low temperature heat supply device, 8-refrigerator, 9-regenerator.

For ease of understanding, the following description is given:

(1) the heated medium, the substance that obtains the high temperature thermal load, is at the highest temperature.

(2) Heat source medium-a substance that provides a medium thermal load (driving thermal load and warming thermal load) at a temperature lower than that of the medium to be heated.

(3) Cooling medium-a substance that carries away low temperature heat load, at a temperature lower than the medium temperature heat source, such as ambient air; or a low temperature heat demand consumer.

(4) The refrigerated medium, the refrigerated object, emits the second low-temperature heat load (or called refrigeration load) with the lowest temperature.

The specific implementation mode is as follows:

it is to be noted that, in the description of the structure and the flow, the repetition is not necessary; obvious flow is not described. The invention is described in detail below with reference to the figures and examples.

The fourth type of thermally driven compression heat pump shown in fig. 1 is realized by:

(1) structurally, the system mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device and a cold supply device; the compressor 4 is provided with a circulating working medium channel which is communicated with the expander 1 through a high-temperature heat supply device 5, the expander 1 is also provided with a circulating working medium channel which is communicated with the second expander 2 through a heat source heat exchanger 6, the second expander 2 is also provided with a circulating working medium channel which is communicated with the third expander 3 through a low-temperature heat supply device 7, the third expander 3 is also provided with a circulating working medium channel which is communicated with the compressor 4 through a cold supply device 8, the high-temperature heat supply device 5 is also communicated with the outside through a heated medium channel, the heat source heat exchanger 6 is also provided with a heat source medium channel which is communicated with the outside, the low-temperature heat supply device 7 is also provided with a cooling medium channel which is communicated with the outside, the cold supply device 8 is also communicated with the outside through a cooled medium channel, and the expander 1, the second.

(2) In the process, the circulating working medium discharged by the compressor 4 flows through the high-temperature heat supply device 5 and releases heat, flows through the expander 1 to reduce the pressure and do work, flows through the heat source heat exchanger 6 to absorb heat, flows through the second expander 2 to reduce the pressure and do work, flows through the low-temperature heat supply device 7 to release heat, flows through the third expander 3 to reduce the pressure and do work, flows through the cold supply device 8 to absorb heat, and then enters the compressor 4 to increase the pressure and the temperature; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the high-temperature heat supply device 5, the heat source medium provides medium-temperature heat load through the heat source heat exchanger 6, the cooling medium obtains low-temperature heat load through the low-temperature heat supply device 7, and the cooled medium provides secondary low-temperature heat load through the cold supply device 8, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 2 is realized by:

(1) structurally, the heat pump system mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger and a low-temperature heat supply device; the external part is provided with a refrigerated medium channel communicated with a compressor 4, the compressor 4 and the refrigerated medium channel are communicated with an expander 1 through a high-temperature heat supply device 5, the expander 1 and the refrigerated medium channel are communicated with a second expander 2 through a heat source heat exchanger 6, the second expander 2 and the refrigerated medium channel are communicated with a third expander 3 through a low-temperature heat supply device 7, the third expander 3 and the refrigerated medium channel are communicated with the external part, the high-temperature heat supply device 5 and the heated medium channel are communicated with the external part, the heat source heat exchanger 6 and the heat source medium channel are communicated with the external part, the low-temperature heat supply device 7 and the cooling medium channel are communicated with the external part, and the expander 1, the second expander 2 and the third expander 3 are connected with the compressor 4 and transmit power.

(2) In the process, external refrigerated media flow through the compressor 4 to increase the pressure and the temperature, flow through the high-temperature heat supply device 5 to release heat, flow through the expander 1 to reduce the pressure and do work, flow through the heat source heat exchanger 6 to absorb heat, flow through the second expander 2 to reduce the pressure and do work, flow through the low-temperature heat supply device 7 to release heat, flow through the third expander 3 to reduce the pressure and do work, and then are discharged outwards; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the high-temperature heat supply device 5, the heat source medium provides medium-temperature heat load through the heat source heat exchanger 6, the cooling medium obtains low-temperature heat load through the low-temperature heat supply device 7, and the cooled medium provides secondary low-temperature heat load through the inlet and outlet processes, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 3 is realized by:

(1) structurally, the system mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger and a cold supply device; the external part is provided with a cooling medium channel which is communicated with the third expander 3, the third expander 3 is also provided with a cooling medium channel which is communicated with the compressor 4 through a cold supply device 8, the compressor 4 is also provided with a cooling medium channel which is communicated with the expander 1 through a high-temperature heat supply device 5, the expander 1 is also provided with a cooling medium channel which is communicated with the second expander 2 through a heat source heat exchanger 6, the second expander 2 is also provided with a cooling medium channel which is communicated with the external part, the high-temperature heat supply device 5 is also provided with a heated medium channel which is communicated with the external part, the heat source heat exchanger 6 is also provided with a heat source medium channel which is communicated with the external part, the cold supply device 8 is also provided with a cooled medium channel which is communicated with the external part, and the expander 1, the.

(2) In the flow, an external cooling medium flows through the third expander 3 to reduce the pressure and do work, flows through the cold supply device 8 to absorb heat, flows through the compressor 4 to increase the pressure and the temperature, flows through the high-temperature heat supply device 5 to release heat, flows through the expander 1 to reduce the pressure and do work, flows through the heat source heat exchanger 6 to absorb heat, flows through the second expander 2 to reduce the pressure and do work, and is discharged outwards; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the high-temperature heat supplier 5, the heat source medium provides medium-temperature heat load through the heat source heat exchanger 6, the cooling medium obtains low-temperature heat load through the inlet and outlet flow, and the cooled medium provides secondary low-temperature heat load through the air supplier 8, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 4 is realized by:

(1) structurally, the system mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a low-temperature heat supply device and a cold supply device; the external part is provided with a heat source medium channel communicated with the second expander 2, the second expander 2 is also provided with a heat source medium channel communicated with the third expander 3 through a low-temperature heat supply device 7, the third expander 3 is also provided with a heat source medium channel communicated with the compressor 4 through a cold supply device 8, the compressor 4 is also provided with a heat source medium channel communicated with the expander 1 through a high-temperature heat supply device 5, the expander 1 is also provided with a heat source medium channel communicated with the external part, the high-temperature heat supply device 5 is also communicated with the external part through a heated medium channel, the low-temperature heat supply device 7 is also provided with a cooling medium channel communicated with the external part, the cold supply device 8 is also communicated with the external part through a cooled medium channel, and the expander 1, the second expander 2 and the third expander 3 are connected with the compressor.

(2) In the process, an external heat source medium flows through the second expander 2 to reduce the pressure and do work, flows through the low-temperature heat supply device 7 to release heat, flows through the third expander 3 to reduce the pressure and do work, flows through the cold supply device 8 to absorb heat, flows through the compressor 4 to increase the pressure and the temperature, flows through the high-temperature heat supply device 5 to release heat, flows through the expander 1 to reduce the pressure and do work, and then is discharged outwards; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the high-temperature heat supply device 5, the heat source medium provides medium-temperature heat load through the inlet and outlet flow, the cooling medium obtains low-temperature heat load through the low-temperature heat supply device 7, and the cooled medium provides secondary low-temperature heat load through the cold supply device 8, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 5 is realized by:

(1) structurally, the system mainly comprises an expander, a second expander, a third expander, a compressor, a heat source heat exchanger, a low-temperature heat supply device and a cold supply device; the external part is provided with a heated medium channel communicated with the expander 1, the expander 1 is also provided with a heated medium channel communicated with the second expander 2 through a heat source heat exchanger 6, the second expander 2 is also provided with a heated medium channel communicated with the third expander 3 through a low-temperature heat supply device 7, the third expander 3 is also provided with a heated medium channel communicated with the compressor 4 through a cold supply device 8, the compressor 4 is also provided with a heated medium channel communicated with the external part, the heat source heat exchanger 6 is also provided with a heat source medium channel communicated with the external part, the low-temperature heat supply device 7 is also provided with a cooling medium channel communicated with the external part, the cold supply device 8 is also provided with a cooled medium channel communicated with the external part, and the expander 1, the second expander 2 and the third expander 3 are connected with the compressor 4 and transmit power.

(2) In the process, external heated media flow through the expander 1 to perform pressure reduction work, flow through the heat source heat exchanger 6 to absorb heat, flow through the second expander 2 to perform pressure reduction work, flow through the low-temperature heat supply device 7 to release heat, flow through the third expander 3 to perform pressure reduction work, flow through the cold supply device 8 to absorb heat, flow through the compressor 4 to perform pressure increase and temperature increase, and then are discharged outwards; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the inlet and outlet flow, the heat source medium provides medium-temperature heat load through the heat source heat exchanger 6, the cooling medium obtains low-temperature heat load through the low-temperature heat supplier 7, and the cooled medium provides secondary low-temperature heat load through the cold supplier 8, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 6 is realized by:

(1) structurally, the system mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the compressor 4 is provided with a circulating working medium channel which is communicated with the expander 1 through a high-temperature heat supply device 5, the expander 1 is also provided with a circulating working medium channel which is communicated with the second expander 2 through a heat source heat exchanger 6, the second expander 2 is also provided with a circulating working medium channel which is communicated with the third expander 3 through a low-temperature heat supply device 7 and a heat regenerator 9, the third expander 3 is also provided with a circulating working medium channel which is communicated with the compressor 4 through a cold supply device 8 and a heat regenerator 9, the high-temperature heat supply device 5 is also communicated with the outside through a heated medium channel, the heat source heat exchanger 6 is also provided with a heat source medium channel which is communicated with the outside, the low-temperature heat supply device 7 is also provided with a cooling medium channel which is communicated with the outside, the cold supply device 8 is also communicated with the outside through a cooled medium channel, and the expander 1, the.

(2) In the process, the circulating working medium discharged by the compressor 4 flows through the high-temperature heat supply device 5 and releases heat, flows through the expansion machine 1 to perform pressure reduction work, flows through the heat source heat exchanger 6 to absorb heat, flows through the second expansion machine 2 to perform pressure reduction work, flows through the low-temperature heat supply device 7 and the heat regenerator 9 to gradually release heat, flows through the third expansion machine 3 to perform pressure reduction work, flows through the cold supply device 8 and the heat regenerator 9 to gradually absorb heat, and then enters the compressor 4 to perform pressure increase and temperature increase; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the high-temperature heat supply device 5, the heat source medium provides medium-temperature heat load through the heat source heat exchanger 6, the cooling medium obtains low-temperature heat load through the low-temperature heat supply device 7, and the cooled medium provides secondary low-temperature heat load through the cold supply device 8, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 7 is realized by:

(1) structurally, the heat recovery system mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device and a heat regenerator; the external part is connected with the compressor 4 through the heat regenerator 9 by a refrigerated medium, the compressor 4 is also connected with the expander 1 through the high temperature heat supply device 5 by a refrigerated medium channel, the expander 1 is also connected with the second expander 2 through the heat source heat exchanger 6 by a refrigerated medium channel, the second expander 2 is also connected with the third expander 3 through the low temperature heat supply device 7 and the heat regenerator 9 by a refrigerated medium channel, the third expander 3 is also connected with the external part through a refrigerated medium channel, the high temperature heat supply device 5 is also connected with the external part through a heated medium channel, the heat source heat exchanger 6 is also connected with the external part through a heat source medium channel, the low temperature heat supply device 7 is also connected with the external part through a cooling medium channel, and the expander 1, the second expander 2 and the third expander 3 are connected with the compressor 4 and transmit power.

(2) In the process, external refrigerated media flow through the heat regenerator 9 and absorb heat, flow through the compressor 4 and raise the pressure and the temperature, flow through the high-temperature heat supply device 5 and release heat, flow through the expander 1 and do work by reducing the pressure, flow through the heat source heat exchanger 6 and absorb heat, flow through the second expander 2 and do work by reducing the pressure, flow through the low-temperature heat supply device 7 and the heat regenerator 9 and gradually release heat, flow through the third expander 3 and do work by reducing the pressure, and then are discharged outwards; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the high-temperature heat supply device 5, the heat source medium provides medium-temperature heat load through the heat source heat exchanger 6, the cooling medium obtains low-temperature heat load through the low-temperature heat supply device 7, and the cooled medium provides secondary low-temperature heat load through the inlet and outlet processes, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 8 is realized by:

(1) structurally, the system mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a cold supply device and a heat regenerator; the external part is provided with a cooling medium channel which is communicated with the third expander 3 through a heat regenerator 9, the third expander 3 is also provided with a cooling medium channel which is communicated with the compressor 4 through a cold supply device 8 and the heat regenerator 9, the compressor 4 is also provided with a cooling medium channel which is communicated with the expander 1 through a high-temperature heat supply device 5, the expander 1 is also provided with a cooling medium channel which is communicated with the second expander 2 through a heat source heat exchanger 6, the second expander 2 is also provided with a cooling medium channel which is communicated with the external part, the high-temperature heat supply device 5 is also communicated with the external part through a heated medium channel, the heat source heat exchanger 6 is also provided with a heat source medium channel which is communicated with the external part, the cold supply device 8 is also communicated with the external part through a cooled medium channel, and the expander 1, the second expander 2 and the.

(2) In the process, an external cooling medium flows through the heat regenerator 9 and releases heat, flows through the third expander 3 and performs pressure reduction work, flows through the cold supply device 8 and the heat regenerator 9 and gradually absorbs heat, flows through the compressor 4 and performs pressure increase and temperature increase, flows through the high-temperature heat supply device 5 and releases heat, flows through the expander 1 and performs pressure reduction work, flows through the heat source heat exchanger 6 and performs heat absorption, flows through the second expander 2 and performs pressure reduction work, and is then externally discharged; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the high-temperature heat supplier 5, the heat source medium provides medium-temperature heat load through the heat source heat exchanger 6, the cooling medium obtains low-temperature heat load through the inlet and outlet flow, and the cooled medium provides secondary low-temperature heat load through the air supplier 8, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 9 is realized by:

(1) structurally, the system mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is provided with a heat source medium channel communicated with the second expander 2, the second expander 2 is also provided with a heat source medium channel communicated with the third expander 3 through a low-temperature heat supply device 7 and a heat regenerator 9, the third expander 3 is also provided with a heat source medium channel communicated with the compressor 4 through a cold supply device 8 and a heat regenerator 9, the compressor 4 is also provided with a heat source medium channel communicated with the expander 1 through a high-temperature heat supply device 5, the expander 1 is also provided with a heat source medium channel communicated with the external part, the high-temperature heat supply device 5 is also communicated with the external part through a heated medium channel, the low-temperature heat supply device 7 is also provided with a cooling medium channel communicated with the external part, the cold supply device 8 is also communicated with the external part through a cooled medium channel, and the expander 1, the second expander 2 and the third expander 3 are connected with the.

(2) In the process, an external heat source medium flows through the second expander 2 to perform pressure reduction work, flows through the low-temperature heat supply device 7 and the heat regenerator 9 to gradually release heat, flows through the third expander 3 to perform pressure reduction work, flows through the cold supply device 8 and the heat regenerator 9 to gradually absorb heat, flows through the compressor 4 to perform pressure rise and temperature rise, flows through the high-temperature heat supply device 5 to release heat, flows through the expander 1 to perform pressure reduction work, and is then externally discharged; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the high-temperature heat supply device 5, the heat source medium provides medium-temperature heat load through the inlet and outlet flow, the cooling medium obtains low-temperature heat load through the low-temperature heat supply device 7, and the cooled medium provides secondary low-temperature heat load through the cold supply device 8, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 10 is realized by:

(1) structurally, the system mainly comprises an expander, a second expander, a third expander, a compressor, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is provided with a heated medium channel communicated with the expander 1, the expander 1 is also provided with a heated medium channel communicated with the second expander 2 through a heat source heat exchanger 6, the second expander 2 is also provided with a heated medium channel communicated with the third expander 3 through a low-temperature heat supply device 7 and a heat regenerator 9, the third expander 3 is also provided with a heated medium channel communicated with the compressor 4 through a cold supply device 8 and a heat regenerator 9, the compressor 4 is provided with a heated medium channel communicated with the external part, the heat source heat exchanger 6 is also provided with a heat source medium channel communicated with the external part, the low-temperature heat supply device 7 is also provided with a cooling medium channel communicated with the external part, the cold supply device 8 is also provided with a cooled medium channel communicated with the external part, and the expander 1, the second expander 2 and the third expander 3 are connected with the compressor 4 and transmit power.

(2) In the process, an external heated medium flows through the expander 1 to perform pressure reduction work, flows through the heat source heat exchanger 6 to absorb heat, flows through the second expander 2 to perform pressure reduction work, flows through the low-temperature heat supply device 7 and the heat regenerator 9 to gradually release heat, flows through the third expander 3 to perform pressure reduction work, flows through the cold supply device 8 and the heat regenerator 9 to gradually absorb heat, flows through the compressor 4 to perform pressure rise and temperature rise, and then is externally discharged; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the inlet and outlet flow, the heat source medium provides medium-temperature heat load through the heat source heat exchanger 6, the cooling medium obtains low-temperature heat load through the low-temperature heat supplier 7, and the cooled medium provides secondary low-temperature heat load through the cold supplier 8, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 11 is realized by:

(1) structurally, the system mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the compressor 4 is provided with a circulating working medium channel which is communicated with the expander 1 through a high-temperature heat supply device 5, the expander 1 is also provided with a circulating working medium channel which is communicated with the second expander 2 through a heat regenerator 9 and a heat source heat exchanger 6, the second expander 2 is also provided with a circulating working medium channel which is communicated with the third expander 3 through the heat regenerator 9 and a low-temperature heat supply device 7, the third expander 3 is also provided with a circulating working medium channel which is communicated with the compressor 4 through a cold supply device 8, the high-temperature heat supply device 5 is also communicated with the outside through a heated medium channel, the heat source heat exchanger 6 is also communicated with the outside through a heat source medium channel, the low-temperature heat supply device 7 is also provided with a cooling medium channel which is communicated with the outside, the cold supply device 8 is also communicated with the outside through a cooled medium channel, and the expander 1, the second expander.

(2) In the process, the circulating working medium discharged by the compressor 4 flows through the high-temperature heat supply device 5 and releases heat, flows through the expansion machine 1 to perform pressure reduction and work, flows through the heat regenerator 9 and the heat source heat exchanger 6 to absorb heat gradually, flows through the second expansion machine 2 to perform pressure reduction and work, flows through the heat regenerator 9 and the low-temperature heat supply device 7 to perform heat release gradually, flows through the third expansion machine 3 to perform pressure reduction and work, flows through the cold supply device 8 to absorb heat, and then enters the compressor 4 to perform pressure increase and temperature increase; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the high-temperature heat supply device 5, the heat source medium provides medium-temperature heat load through the heat source heat exchanger 6, the cooling medium obtains low-temperature heat load through the low-temperature heat supply device 7, and the cooled medium provides secondary low-temperature heat load through the cold supply device 8, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 12 is realized by:

(1) structurally, the heat recovery system mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device and a heat regenerator; the external part is provided with a refrigerated medium channel communicated with a compressor 4, the compressor 4 and the refrigerated medium channel are communicated with an expander 1 through a high-temperature heat supply device 5, the expander 1 and the refrigerated medium channel are communicated with a second expander 2 through a heat regenerator 9 and a heat source heat exchanger 6, the second expander 2 and the refrigerated medium channel are communicated with a third expander 3 through a heat regenerator 9 and a low-temperature heat supply device 7, the third expander 3 and the refrigerated medium channel are communicated with the external part, the high-temperature heat supply device 5 and the heated medium channel are communicated with the external part, the heat source heat exchanger 6 and the heat source medium channel are communicated with the external part, the low-temperature heat supply device 7 and the cooling medium channel are communicated with the external part, and the expander 1, the second expander 2 and the third expander 3 are connected with the compressor 4 and transmit power.

(2) In the process, external refrigerated media flow through the compressor 4 to increase the pressure and the temperature, flow through the high-temperature heat supply device 5 to release heat, flow through the expander 1 to reduce the pressure and do work, flow through the heat regenerator 9 and the heat source heat exchanger 6 to absorb heat gradually, flow through the second expander 2 to reduce the pressure and do work, flow through the heat regenerator 9 and the low-temperature heat supply device 7 to release heat gradually, flow through the third expander 3 to reduce the pressure and do work, and then are discharged outwards; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the high-temperature heat supply device 5, the heat source medium provides medium-temperature heat load through the heat source heat exchanger 6, the cooling medium obtains low-temperature heat load through the low-temperature heat supply device 7, and the cooled medium provides secondary low-temperature heat load through the inlet and outlet processes, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 13 is realized by:

(1) structurally, the system mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a cold supply device and a heat regenerator; the external part is provided with a cooling medium channel which is communicated with the third expander 3, the third expander 3 is also provided with a cooling medium channel which is communicated with the compressor 4 through a cold supply device 8, the compressor 4 is also provided with a cooling medium channel which is communicated with the expander 1 through a high-temperature heat supply device 5, the expander 1 is also provided with a cooling medium channel which is communicated with the second expander 2 through a heat regenerator 9 and a heat source heat exchanger 6, the second expander 2 is also provided with a cooling medium channel which is communicated with the external part through the heat regenerator 9, the high-temperature heat supply device 5 is also communicated with the external part through a heated medium channel, the heat source heat exchanger 6 is also provided with a heat source medium channel which is communicated with the external part, the cold supply device 8 is also communicated with the external part through a cooled medium channel, and the expander 1, the second expander 2 and the.

(2) In the process, an external cooling medium flows through the third expander 3 to reduce the pressure and do work, flows through the cold supply device 8 and absorb heat, flows through the compressor 4 to increase the pressure and the temperature, flows through the high-temperature heat supply device 5 to release heat, flows through the expander 1 to reduce the pressure and do work, flows through the heat regenerator 9 and the heat source heat exchanger 6 to absorb heat gradually, flows through the second expander 2 to reduce the pressure and do work, flows through the heat regenerator 9 to release heat, and is discharged outwards; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the high-temperature heat supplier 5, the heat source medium provides medium-temperature heat load through the heat source heat exchanger 6, the cooling medium obtains low-temperature heat load through the inlet and outlet flow, and the cooled medium provides secondary low-temperature heat load through the air supplier 8, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 14 is realized by:

(1) structurally, the system mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is provided with a heat source medium channel communicated with the second expander 2, the second expander 2 is also provided with a heat source medium channel communicated with the third expander 3 through a heat regenerator 9 and a low-temperature heat supplier 7, the third expander 3 is also provided with a heat source medium channel communicated with the compressor 4 through a cold supplier 8, the compressor 4 is also provided with a heat source medium channel communicated with the expander 1 through a high-temperature heat supplier 5, the expander 1 is also provided with a heat source medium channel communicated with the external part through the heat regenerator 9, the high-temperature heat supplier 5 is also communicated with the external part through a heated medium channel, the low-temperature heat supplier 7 is also provided with a cooling medium channel communicated with the external part, the cold supplier 8 is also communicated with the external part through a cooled medium channel, and the expander 1, the second expander 2 and the third expander 3 are connected with the compressor 4 and transmit power.

(2) In the process, an external heat source medium flows through the second expander 2 to reduce the pressure and do work, flows through the heat regenerator 9 and the low-temperature heat supply device 7 to gradually release heat, flows through the third expander 3 to reduce the pressure and do work, flows through the cold supply device 8 to absorb heat, flows through the compressor 4 to increase the pressure and the temperature, flows through the high-temperature heat supply device 5 to release heat, flows through the expander 1 to reduce the pressure and do work, flows through the heat regenerator 9 to absorb heat, and then is externally discharged; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the high-temperature heat supply device 5, the heat source medium provides medium-temperature heat load through the inlet and outlet flow, the cooling medium obtains low-temperature heat load through the low-temperature heat supply device 7, and the cooled medium provides secondary low-temperature heat load through the cold supply device 8, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 15 is realized by:

(1) structurally, the system mainly comprises an expander, a second expander, a third expander, a compressor, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is provided with a heated medium channel communicated with the expander 1, the expander 1 is also provided with a heated medium channel communicated with the second expander 2 through a heat regenerator 9 and a heat source heat exchanger 6, the second expander 2 is also provided with a heated medium channel communicated with the third expander 3 through the heat regenerator 9 and a low-temperature heat supply device 7, the third expander 3 is also provided with a heated medium channel communicated with the compressor 4 through a cold supply device 8, the compressor 4 is also provided with a heated medium channel communicated with the external part, the heat source heat exchanger 6 is also provided with a heat source medium channel communicated with the external part, the low-temperature heat supply device 7 is also provided with a cooling medium channel communicated with the external part, the cold supply device 8 is also provided with a cooled medium channel communicated with the external part, and the expander 1, the second expander 2 and the third expander 3 are connected with the compressor 4 and transmit power.

(2) In the process, an external heated medium flows through the expander 1 to perform pressure reduction work, flows through the heat regenerator 9 and the heat source heat exchanger 6 to absorb heat gradually, flows through the second expander 2 to perform pressure reduction work, flows through the heat regenerator 9 and the low-temperature heat supply 7 to release heat gradually, flows through the third expander 3 to perform pressure reduction work, flows through the cold supply device 8 to absorb heat, flows through the compressor 4 to perform pressure rise and temperature rise, and then is discharged outwards; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the inlet and outlet flow, the heat source medium provides medium-temperature heat load through the heat source heat exchanger 6, the cooling medium obtains low-temperature heat load through the low-temperature heat supplier 7, and the cooled medium provides secondary low-temperature heat load through the cold supplier 8, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 16 is realized by:

(1) structurally, the system mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the compressor 4 is provided with a circulating working medium channel which is communicated with the expander 1 through a high-temperature heat supply device 5 and a heat regenerator 9, the expander 1 is also provided with a circulating working medium channel which is communicated with the second expander 2 through a heat source heat exchanger 6 and a heat regenerator 9, the second expander 2 is also provided with a circulating working medium channel which is communicated with the third expander 3 through a low-temperature heat supply device 7, the third expander 3 is also provided with a circulating working medium channel which is communicated with the compressor 4 through a cold supply device 8, the high-temperature heat supply device 5 is also communicated with the outside through a heated medium channel, the heat source heat exchanger 6 is also communicated with the outside through a heat source medium channel, the low-temperature heat supply device 7 is also provided with a cooling medium channel which is communicated with the outside, the cold supply device 8 is also communicated with the outside through a cooled medium channel, and the expander 1, the second expander.

(2) In the process, the circulating working medium discharged by the compressor 4 flows through the high-temperature heat supply device 5 and the heat regenerator 9 and gradually releases heat, flows through the expander 1 to perform pressure reduction and work, flows through the heat source heat exchanger 6 and the heat regenerator 9 and gradually absorbs heat, flows through the second expander 2 to perform pressure reduction and work, flows through the low-temperature heat supply device 7 to release heat, flows through the third expander 3 to perform pressure reduction and work, flows through the cold supply device 8 to absorb heat, and then enters the compressor 4 to perform pressure increase and temperature increase; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the high-temperature heat supply device 5, the heat source medium provides medium-temperature heat load through the heat source heat exchanger 6, the cooling medium obtains low-temperature heat load through the low-temperature heat supply device 7, and the cooled medium provides secondary low-temperature heat load through the cold supply device 8, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 17 is realized by:

(1) structurally, the heat recovery system mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device and a heat regenerator; the external part is provided with a refrigerated medium channel communicated with a compressor 4, the compressor 4 is also provided with a refrigerated medium channel communicated with an expander 1 through a high-temperature heat supply device 5 and a heat regenerator 9, the expander 1 is also provided with a refrigerated medium channel communicated with a second expander 2 through a heat source heat exchanger 6 and a heat regenerator 9, the second expander 2 is also provided with a refrigerated medium channel communicated with a third expander 3 through a low-temperature heat supply device 7, the third expander 3 is also provided with a refrigerated medium channel communicated with the external part, the high-temperature heat supply device 5 is also provided with a heated medium channel communicated with the external part, the heat source heat exchanger 6 is also provided with a heat source medium channel communicated with the external part, the low-temperature heat supply device 7 is also provided with a cooling medium channel communicated with the external part, and the expander 1, the second expander 2 and the third expander 3 are connected with the compressor 4 and.

(2) In the process, external refrigerated media flow through the compressor 4 to increase the pressure and the temperature, flow through the high-temperature heat supply device 5 and the heat regenerator 9 to gradually release heat, flow through the expander 1 to reduce the pressure and do work, flow through the heat source heat exchanger 6 and the heat regenerator 9 to gradually absorb heat, flow through the second expander 2 to reduce the pressure and do work, flow through the low-temperature heat supply device 7 to release heat, flow through the third expander 3 to reduce the pressure and do work, and then are externally discharged; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the high-temperature heat supply device 5, the heat source medium provides medium-temperature heat load through the heat source heat exchanger 6, the cooling medium obtains low-temperature heat load through the low-temperature heat supply device 7, and the cooled medium provides secondary low-temperature heat load through the inlet and outlet processes, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 18 is realized by:

(1) structurally, the system mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a cold supply device and a heat regenerator; the external part is provided with a cooling medium channel which is communicated with the third expander 3, the third expander 3 is also provided with a cooling medium channel which is communicated with the compressor 4 through a cold supply device 8, the compressor 4 is also provided with a cooling medium channel which is communicated with the expander 1 through a high-temperature heat supply device 5 and a heat regenerator 9, the expander 1 is also provided with a cooling medium channel which is communicated with the second expander 2 through a heat source heat exchanger 6 and a heat regenerator 9, the second expander 2 is also provided with a cooling medium channel which is communicated with the external part, the high-temperature heat supply device 5 is also communicated with the external part through a heated medium channel, the heat source heat exchanger 6 is also provided with a heat source medium channel which is communicated with the external part, the cold supply device 8 is also communicated with the external part through a cooled medium channel, and the expander 1, the second expander 2 and.

(2) In the process, an external cooling medium flows through the third expander 3 to reduce the pressure and do work, flows through the cold supply device 8 to absorb heat, flows through the compressor 4 to increase the pressure and the temperature, flows through the high-temperature heat supply device 5 and the heat regenerator 9 to gradually release heat, flows through the expander 1 to reduce the pressure and do work, flows through the heat source heat exchanger 6 and the heat regenerator 9 to gradually absorb heat, flows through the second expander 2 to reduce the pressure and do work, and is then externally discharged; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the high-temperature heat supplier 5, the heat source medium provides medium-temperature heat load through the heat source heat exchanger 6, the cooling medium obtains low-temperature heat load through the inlet and outlet flow, and the cooled medium provides secondary low-temperature heat load through the air supplier 8, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 19 is realized by:

(1) structurally, the system mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is provided with a heat source medium channel which is communicated with the second expander 2 through a heat regenerator 9, the second expander 2 is also provided with a heat source medium channel which is communicated with the third expander 3 through a low-temperature heat supplier 7, the third expander 3 is also provided with a heat source medium channel which is communicated with the compressor 4 through a cold supplier 8, the compressor 4 is also provided with a heat source medium channel which is communicated with the expander 1 through a high-temperature heat supplier 5 and a heat regenerator 9, the expander 1 is also provided with a heat source medium channel which is communicated with the external part, the high-temperature heat supplier 5 is also communicated with the external part through a heated medium channel, the low-temperature heat supplier 7 is also provided with a cooling medium channel which is communicated with the external part, the cold supplier 8 is also communicated with the external part through a cooled medium channel, and the expander 1, the second expander 2 and the.

(2) In the process, an external heat source medium flows through the heat regenerator 9 and absorbs heat, flows through the second expander 2 and performs pressure reduction and work, flows through the low-temperature heat supply device 7 and releases heat, flows through the third expander 3 and performs pressure reduction and work, flows through the cold supply device 8 and absorbs heat, flows through the compressor 4 and performs pressure rise and temperature rise, flows through the high-temperature heat supply device 5 and the heat regenerator 9 and performs heat release step by step, flows through the expander 1 and performs pressure reduction and work, and is then discharged outwards; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the high-temperature heat supply device 5, the heat source medium provides medium-temperature heat load through the inlet and outlet flow, the cooling medium obtains low-temperature heat load through the low-temperature heat supply device 7, and the cooled medium provides secondary low-temperature heat load through the cold supply device 8, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump shown in fig. 20 is realized by:

(1) structurally, the system mainly comprises an expander, a second expander, a third expander, a compressor, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is provided with a heated medium channel which is communicated with the expander 1 through a heat regenerator 9, the expander 1 is also provided with a heated medium channel which is communicated with the second expander 2 through a heat source heat exchanger 6 and the heat regenerator 9, the second expander 2 is also provided with a heated medium channel which is communicated with the third expander 3 through a low-temperature heat supply device 7, the third expander 3 is also provided with a heated medium channel which is communicated with the compressor 4 through a cold supply device 8, the compressor 4 is also provided with a heated medium channel which is communicated with the external part, the heat source heat exchanger 6 is also provided with a heat source medium channel which is communicated with the external part, the low-temperature heat supply device 7 is also provided with a cooling medium channel which is communicated with the external part, the cold supply device 8 is also provided with a cooled medium channel which is communicated with the external part, and the expander 1, the second expander 2.

(2) In the process, an external heated medium flows through the heat regenerator 9 and releases heat, flows through the expander 1 to perform pressure reduction work, flows through the heat source heat exchanger 6 and the heat regenerator 9 to gradually absorb heat, flows through the second expander 2 to perform pressure reduction work, flows through the low-temperature heat supply 7 to release heat, flows through the third expander 3 to perform pressure reduction work, flows through the cold supply device 8 to absorb heat, flows through the compressor 4 to perform pressure increase and temperature increase, and then is externally discharged; the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power, or the work output by the expander 1, the second expander 2 and the third expander 3 is provided for the compressor 4 as power and is simultaneously provided to the outside, or the expander 1, the second expander 2, the third expander 3 and the outside supply power to the compressor 4 in a common way; the heated medium obtains high-temperature heat load through the inlet and outlet flow, the heat source medium provides medium-temperature heat load through the heat source heat exchanger 6, the cooling medium obtains low-temperature heat load through the low-temperature heat supplier 7, and the cooled medium provides secondary low-temperature heat load through the cold supplier 8, so that a fourth type of thermally driven compression heat pump is formed.

The fourth type of thermally driven compression heat pump provided by the invention has the following effects and advantages:

(1) the new construction utilizes the basic technology of heat energy (temperature difference).

(2) Through single circulation and a single working medium, high-temperature heat supply and secondary low-temperature refrigeration are realized simultaneously by using medium-temperature heat energy, or high-temperature heat supply, low-temperature heat supply and secondary low-temperature refrigeration are realized simultaneously, or high-temperature heat supply and low-temperature heat supply are realized simultaneously.

(3) Through single circulation and a single working medium, high-temperature heat supply and secondary low-temperature refrigeration are realized simultaneously by using medium-temperature heat energy and mechanical energy, or high-temperature heat supply, low-temperature heat supply and secondary low-temperature refrigeration are realized simultaneously, or high-temperature heat supply and low-temperature heat supply are realized simultaneously.

(4) The process is reasonable, is a common technology for realizing effective utilization of temperature difference, and has good applicability.

(5) The novel technology for simply, actively and efficiently utilizing heat energy is provided, and the performance index is high.

(6) Provides a simple, active and efficient new technology of combining heat energy and mechanical energy, and has high performance index.

(7) The working medium has wide application range, the working medium and the working parameters are flexibly matched, and the energy supply requirement can be adapted in a larger range.

(8) The heat pump technology is expanded, the types of compression heat pumps are enriched, and the high-efficiency utilization of heat energy and mechanical energy is favorably realized.

Claims

1. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device and a cold supply device; the compressor (4) is provided with a circulating working medium channel which is communicated with the expander (1) through a high-temperature heat supply device (5), the expander (1) is also provided with a circulating working medium channel which is communicated with the second expander (2) through a heat source heat exchanger (6), the second expander (2) is also provided with a circulating working medium channel which is communicated with the third expander (3) through a low-temperature heat supply device (7), and the third expander (3) is also provided with a circulating working medium channel which is communicated with the compressor (4) through a cold supply device (8); the high-temperature heat supply device (5) is also communicated with the outside through a heated medium channel, the heat source heat exchanger (6) is also communicated with the outside through a heat source medium channel, the low-temperature heat supply device (7) is also communicated with the outside through a cooling medium channel, the cold supply device (8) is also communicated with the outside through a cooled medium channel, and the expansion machine (1), the second expansion machine (2) and the third expansion machine (3) are connected with the compressor (4) and transmit power to form a fourth-class heat-driven compression heat pump.

2. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger and a low-temperature heat supply device; a refrigerated medium channel is arranged outside and communicated with a compressor (4), the compressor (4) is also provided with a refrigerated medium channel which is communicated with an expander (1) through a high-temperature heat supply device (5), the expander (1) is also provided with a refrigerated medium channel which is communicated with a second expander (2) through a heat source heat exchanger (6), the second expander (2) is also provided with a refrigerated medium channel which is communicated with a third expander (3) through a low-temperature heat supply device (7), and the third expander (3) is also provided with a refrigerated medium channel which is communicated with the outside; the high-temperature heat supply device (5) is also communicated with the outside through a heated medium channel, the heat source heat exchanger (6) is also communicated with the outside through a heat source medium channel, the low-temperature heat supply device (7) is also communicated with the outside through a cooling medium channel, and the expansion machine (1), the second expansion machine (2) and the third expansion machine (3) are connected with the compressor (4) and transmit power to form a fourth-class thermally driven compression heat pump.

3. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger and a cold supply device; the external part is provided with a cooling medium channel which is communicated with a third expander (3), the third expander (3) is also provided with a cooling medium channel which is communicated with a compressor (4) through a cold supply device (8), the compressor (4) is also provided with a cooling medium channel which is communicated with an expander (1) through a high-temperature heat supply device (5), the expander (1) is also provided with a cooling medium channel which is communicated with a second expander (2) through a heat source heat exchanger (6), the second expander (2) is also provided with a cooling medium channel which is communicated with the external part, the high-temperature heat supply device (5) is also provided with a heated medium channel which is communicated with the external part, the heat source heat exchanger (6) is also provided with a heat source medium channel which is communicated with the external part, the cold supply device (8) is also communicated with the external, the second expansion machine (2) and the third expansion machine (3) are connected with the compressor (4) and transmit power to form a fourth type of thermally driven compression heat pump.

4. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a low-temperature heat supply device and a cold supply device; the external part is provided with a heat source medium channel which is communicated with the second expander (2), the second expander (2) is also provided with a heat source medium channel which is communicated with the third expander (3) through a low-temperature heat supplier (7), the third expander (3) is also provided with a heat source medium channel which is communicated with the compressor (4) through a cold supplier (8), the compressor (4) is also provided with a heat source medium channel which is communicated with the expander (1) through a high-temperature heat supplier (5), the expander (1) is also provided with a heat source medium channel which is communicated with the external part, the high-temperature heat supplier (5) is also provided with a heated medium channel which is communicated with the external part, the low-temperature heat supplier (7) is also provided with a cooling medium channel which is communicated with the external part, the cold supplier (8) is also provided with a, the second expansion machine (2) and the third expansion machine (3) are connected with the compressor (4) and transmit power to form a fourth type of thermally driven compression heat pump.

5. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a heat source heat exchanger, a low-temperature heat supply device and a cold supply device; the external part is provided with a heated medium channel which is communicated with the expander (1), the expander (1) is also provided with a heated medium channel which is communicated with the second expander (2) through a heat source heat exchanger (6), the second expander (2) is also provided with a heated medium channel which is communicated with the third expander (3) through a low-temperature heat supplier (7), the third expander (3) is also provided with a heated medium channel which is communicated with the compressor (4) through a cold supplier (8), the compressor (4) is also provided with a heated medium channel which is communicated with the external part, the heat source heat exchanger (6) is also provided with a heat source medium channel which is communicated with the external part, the low-temperature heat supplier (7) is also provided with a cooling medium channel which is communicated with the external part, the cold supplier (8) is also provided with a cooled medium channel which is communicated with, the second expansion machine (2) and the third expansion machine (3) are connected with the compressor (4) and transmit power to form a fourth type of thermally driven compression heat pump.

6. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the compressor (4) is provided with a circulating working medium channel which is communicated with the expander (1) through a high-temperature heat supply device (5), the expander (1) is also provided with a circulating working medium channel which is communicated with the second expander (2) through a heat source heat exchanger (6), the second expander (2) is also provided with a circulating working medium channel which is communicated with the third expander (3) through a low-temperature heat supply device (7) and a heat regenerator (9), the third expander (3) is also provided with a circulating working medium channel which is communicated with the compressor (4) through a cold supply device (8) and a heat regenerator (9), the high-temperature heat supply device (5) is also provided with a heated medium channel which is communicated with the outside, the heat source heat exchanger (6) is also provided with a heat source medium channel which is communicated with the outside, the low-temperature heat supply device (7) is also provided with a cooling medium channel which is communicated with the outside, the cold supply device (8) is also provided with the cooled medium channel which is communicated with the outside, the expanders (1), the, forming a fourth class of thermally driven compression heat pumps.

7. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device and a heat regenerator; the external part is provided with a refrigerated medium which is communicated with a compressor (4) through a heat regenerator (9), the compressor (4) is also provided with a refrigerated medium channel which is communicated with an expander (1) through a high-temperature heat supply device (5), the expander (1) is also provided with a refrigerated medium channel which is communicated with a second expander (2) through a heat source heat exchanger (6), the second expander (2) is also provided with a refrigerated medium channel which is communicated with a third expander (3) through a low-temperature heat supply device (7) and the heat regenerator (9), the third expander (3) is also communicated with the external part through a refrigerated medium channel, the high-temperature heat supply device (5) is also communicated with the external part through a heated medium channel, the heat source heat exchanger (6) is also communicated with the external part through a heat source medium channel, the low-temperature heat supply device (7) is also communicated with the external part through a cooling medium channel, the expander (1), the second expander (2) and the third expander (3) are connected with the, forming a fourth class of thermally driven compression heat pumps.

8. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a cold supply device and a heat regenerator; the external part is provided with a cooling medium channel which is communicated with a third expander (3) through a heat regenerator (9), the third expander (3) is also provided with a cooling medium channel which is communicated with a compressor (4) through a cold supply device (8) and the heat regenerator (9), the compressor (4) is also provided with a cooling medium channel which is communicated with the expander (1) through a high-temperature heat supply device (5), the expander (1) is also provided with a cooling medium channel which is communicated with a second expander (2) through a heat source heat exchanger (6), the second expander (2) is also provided with a cooling medium channel which is communicated with the external part, the high-temperature heat supply device (5) is also provided with a heated medium channel which is communicated with the external part, the heat source heat exchanger (6) is also provided with a heat source medium channel which is communicated with the external part, the cold supply device (8) is also provided with the external part through a cooled medium channel, the expander (1), the second expander (2) and the third expander, forming a fourth class of thermally driven compression heat pumps.

9. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is provided with a heat source medium channel which is communicated with the second expander (2), the second expander (2) is also provided with a heat source medium channel which is communicated with the third expander (3) through a low-temperature heat supplier (7) and a heat regenerator (9), the third expander (3) is also provided with a heat source medium channel which is communicated with the compressor (4) through a cold supplier (8) and the heat regenerator (9), the compressor (4) is also provided with a heat source medium channel which is communicated with the expander (1) through a high-temperature heat supplier (5), the expander (1) is also provided with a heat source medium channel which is communicated with the external part, the high-temperature heat supplier (5) is also provided with a heated medium channel which is communicated with the external part, the low-temperature heat supplier (7) is also provided with a cooling medium channel which is communicated with the external part, the cold supplier (8) is also provided with a cooled medium channel which is communicated with the external part, the expander (1), the second expander (2), forming a fourth class of thermally driven compression heat pumps.

10. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is provided with a heated medium channel which is communicated with the expander (1), the expander (1) is also provided with a heated medium channel which is communicated with the second expander (2) through a heat source heat exchanger (6), the second expander (2) is also provided with a heated medium channel which is communicated with the third expander (3) through a low-temperature heat supplier (7) and a heat regenerator (9), the third expander (3) is also provided with a heated medium channel which is communicated with the compressor (4) through a cold supplier (8) and a heat regenerator (9), the compressor (4) is provided with a heated medium channel which is communicated with the external part, the heat source heat exchanger (6) is also provided with a heat source medium channel which is communicated with the external part, the low-temperature heat supplier (7) is also provided with a cooling medium channel which is communicated with the external part, the cold supplier (8) is also provided with a cooled medium channel which is communicated with the external part, the expander (1), the second expander (2) and the third expander (3) are, forming a fourth class of thermally driven compression heat pumps.

11. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the compressor (4) is provided with a circulating working medium channel which is communicated with the expander (1) through a high-temperature heat supply device (5), the expander (1) is also provided with a circulating working medium channel which is communicated with the second expander (2) through a heat regenerator (9) and a heat source heat exchanger (6), the second expander (2) is also provided with a circulating working medium channel which is communicated with the third expander (3) through the heat regenerator (9) and a low-temperature heat supply device (7), the third expander (3) is also provided with a circulating working medium channel which is communicated with the compressor (4) through a cold supply device (8), the high-temperature heat supply device (5) is also provided with a heated medium channel which is communicated with the outside, the heat source heat exchanger (6) is also provided with a heat source medium channel which is communicated with the outside, the low-temperature heat supply device (7) is also provided with a cooling medium channel which is communicated with the outside, the cold supply device (8) is also provided with the cooled medium channel which is communicated with the outside, the expanders (1), the, forming a fourth class of thermally driven compression heat pumps.

12. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device and a heat regenerator; the external part is provided with a refrigerated medium channel which is communicated with a compressor (4), the compressor (4) is also provided with a refrigerated medium channel which is communicated with an expander (1) through a high-temperature heat supplier (5), the expander (1) is also provided with a refrigerated medium channel which is communicated with a second expander (2) through a heat regenerator (9) and a heat source heat exchanger (6), the second expander (2) is also provided with a refrigerated medium channel which is communicated with a third expander (3) through the heat regenerator (9) and a low-temperature heat supplier (7), the third expander (3) is also communicated with the external part through a refrigerated medium channel, the high-temperature heat supplier (5) is also provided with a heated medium channel which is communicated with the external part, the heat source heat exchanger (6) is also provided with a heat source medium channel which is communicated with the external part, the low-temperature heat supplier (7) is also provided with a cooling medium channel which is communicated with the external part, the expander (1), the second expander (2) and the third expander (3, forming a fourth class of thermally driven compression heat pumps.

13. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a cold supply device and a heat regenerator; the external part is provided with a cooling medium channel which is communicated with a third expander (3), the third expander (3) is also provided with a cooling medium channel which is communicated with a compressor (4) through a cold supply device (8), the compressor (4) is also provided with a cooling medium channel which is communicated with an expander (1) through a high-temperature heat supply device (5), the expander (1) is also provided with a cooling medium channel which is communicated with a second expander (2) through a heat regenerator (9) and a heat source heat exchanger (6), the second expander (2) is also provided with a cooling medium channel which is communicated with the external part through the heat regenerator (9), the high-temperature heat supply device (5) is also provided with a heated medium channel which is communicated with the external part, the cold supply device (8) is also communicated with the external part through the cooled medium channel, the expander (1), the second expander (2) and the third expander (3) are connected with the compressor (4) and transmit power, forming a fourth class of thermally driven compression heat pumps.

14. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is provided with a heat source medium channel which is communicated with the second expander (2), the second expander (2) is also provided with a heat source medium channel which is communicated with the third expander (3) through a heat regenerator (9) and a low-temperature heat supplier (7), the third expander (3) is also provided with a heat source medium channel which is communicated with the compressor (4) through a cold supplier (8), the compressor (4) is also provided with a heat source medium channel which is communicated with the expander (1) through a high-temperature heat supplier (5), the expander (1) is also provided with a heat source medium channel which is communicated with the external part through the heat regenerator (9), the high-temperature heat supplier (5) is also provided with a heated medium channel which is communicated with the external part, the low-temperature heat supplier (7) is also provided with a cooling medium channel which is communicated with the external part, the cold supplier (8) is also provided with a cooled medium channel which is communicated with the external part, the expander (1), the second expander (2) and, forming a fourth class of thermally driven compression heat pumps.

15. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is provided with a heated medium channel which is communicated with the expander (1), the expander (1) is also provided with a heated medium channel which is communicated with the second expander (2) through a heat regenerator (9) and a heat source heat exchanger (6), the second expander (2) is also provided with a heated medium channel which is communicated with the third expander (3) through the heat regenerator (9) and a low-temperature heat supply device (7), the third expander (3) is also provided with a heated medium channel which is communicated with the compressor (4) through a cold supply device (8), the compressor (4) is also provided with a heated medium channel which is communicated with the external part, the heat source heat exchanger (6) is also provided with a heat source medium channel which is communicated with the external part, the low-temperature heat supply device (7) is also provided with a cooling medium channel which is communicated with the external part, the cold supply device (8) is also provided with the cooled medium channel which is communicated with the external part, the expander (1), the second expander (2) and the third, forming a fourth class of thermally driven compression heat pumps.

16. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the compressor (4) is provided with a circulating working medium channel which is communicated with the expander (1) through a high-temperature heat supply device (5) and a heat regenerator (9), the expander (1) is also provided with a circulating working medium channel which is communicated with the second expander (2) through a heat source heat exchanger (6) and a heat regenerator (9), the second expander (2) is also provided with a circulating working medium channel which is communicated with the third expander (3) through a low-temperature heat supply device (7), the third expander (3) is also provided with a circulating working medium channel which is communicated with the compressor (4) through a cold supply device (8), the high-temperature heat supply device (5) is also provided with a heated medium channel which is communicated with the outside, the heat source heat exchanger (6) is also provided with a heat source medium channel which is communicated with the outside, the low-temperature heat supply device (7) is also provided with a cooling medium channel which is communicated with the outside, the cold supply device (8) is also provided with the cooled medium channel which is communicated with the outside, the expander (1), the, forming a fourth class of thermally driven compression heat pumps.

17. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a low-temperature heat supply device and a heat regenerator; the external part is provided with a refrigerated medium channel which is communicated with a compressor (4), the compressor (4) is also provided with a refrigerated medium channel which is communicated with an expander (1) through a high-temperature heat supply device (5) and a heat regenerator (9), the expander (1) is also provided with a refrigerated medium channel which is communicated with a second expander (2) through a heat source heat exchanger (6) and the heat regenerator (9), the second expander (2) is also provided with a refrigerated medium channel which is communicated with a third expander (3) through a low-temperature heat supply device (7), the third expander (3) is also communicated with the external part through a refrigerated medium channel, the high-temperature heat supply device (5) is also provided with a heated medium channel which is communicated with the external part, the heat source heat exchanger (6) is also provided with a heat source medium channel which is communicated with the external part, the low-temperature heat supply device (7) is also provided with the external part through a cooling medium channel, the expander (1), the second expander (2) and the third expander (, forming a fourth class of thermally driven compression heat pumps.

18. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a heat source heat exchanger, a cold supply device and a heat regenerator; the external part is provided with a cooling medium channel which is communicated with a third expander (3), the third expander (3) is also provided with a cooling medium channel which is communicated with a compressor (4) through a cold supply device (8), the compressor (4) is also provided with a cooling medium channel which is communicated with the expander (1) through a high-temperature heat supply device (5) and a heat regenerator (9), the expander (1) is also provided with a cooling medium channel which is communicated with a second expander (2) through a heat source heat exchanger (6) and the heat regenerator (9), the second expander (2) is also provided with a cooling medium channel which is communicated with the external part, the high-temperature heat supply device (5) is also provided with a heated medium channel which is communicated with the external part, the cold supply device (8) is also provided with the external part through a cooled medium channel, the expander (1), the second expander (2) and the third expander (3) are connected with the compressor (4) and transmit power, forming a fourth class of thermally driven compression heat pumps.

19. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a high-temperature heat supply device, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is provided with a heat source medium channel which is communicated with the second expander (2) through a heat regenerator (9), the second expander (2) is also provided with a heat source medium channel which is communicated with the third expander (3) through a low-temperature heat supplier (7), the third expander (3) is also provided with a heat source medium channel which is communicated with the compressor (4) through a cold supplier (8), the compressor (4) is also provided with a heat source medium channel which is communicated with the expander (1) through a high-temperature heat supplier (5) and the heat regenerator (9), the expander (1) is also provided with a heat source medium channel which is communicated with the external part, the high-temperature heat supplier (5) is also provided with a heated medium channel which is communicated with the external part, the low-temperature heat supplier (7) is also provided with a cooling medium channel which is communicated with the external part, the cold supplier (8) is also provided with a cooled medium channel which is communicated with the external part, the expander (1), the second expander (2), forming a fourth class of thermally driven compression heat pumps.

20. A fourth type of thermally driven compression heat pump, which mainly comprises an expander, a second expander, a third expander, a compressor, a heat source heat exchanger, a low-temperature heat supply device, a cold supply device and a heat regenerator; the external part is provided with a heated medium channel which is communicated with the expander (1) through a heat regenerator (9), the expander (1) is also provided with a heated medium channel which is communicated with the second expander (2) through a heat source heat exchanger (6) and the heat regenerator (9), the second expander (2) is also provided with a heated medium channel which is communicated with the third expander (3) through a low-temperature heat supplier (7), the third expander (3) is also provided with a heated medium channel which is communicated with the compressor (4) through a cold supplier (8), the compressor (4) is also provided with a heated medium channel which is communicated with the external part, the heat source heat exchanger (6) is also provided with a heat source medium channel which is communicated with the external part, the low-temperature heat supplier (7) is also provided with a cooling medium channel which is communicated with the external part, the cold supplier (8) is also provided with the cooled medium channel which is communicated with the external part, the expander (1), the second expander (2) and the third expander (3), forming a fourth class of thermally driven compression heat pumps.

21. A fourth type of thermally driven compression heat pump, which is the fourth type of thermally driven compression heat pump according to any one of claims 1 to 20, wherein a power machine is added, the power machine is connected with the compressor (4) and provides power for the compressor (4), and the fourth type of thermally driven compression heat pump driven by external power is formed.

22. A fourth type of thermally driven compression heat pump according to any one of claims 1 to 20, wherein a working machine is added, and the expansion machine (1) is connected to the working machine and supplies power to the working machine, thereby forming a fourth type of thermally driven compression heat pump which additionally supplies a load for supplying power to the outside.