CN201875996U - Multidimensional heat pump set - Google Patents

Abstract

The multidimensional heat pump unit of the utility model belongs to the technical field of heat pump air conditioners and heat pump water heaters. The multidimensional heat pump unit includes a compressor, an oil separator, a four-way valve, a heat exchanger, a one-way valve, a throttle expansion valve, a liquid storage device, A liquid separator, an oil return capillary, a shell, and an electrical controller are provided with a first heat exchanger, a second heat exchanger, and a third heat exchanger. The refrigerant inlet of the first heat exchanger is connected with the second and fourth heat exchangers. The interface C of the through valve, the refrigerant outlet of the first heat exchanger passes through the first throttling expansion valve and then connects to the liquid receiver, the refrigerant inlet of the second heat exchanger is connected to the interface E of the second four-way valve, The refrigerant outlet of the second heat exchanger is connected to the liquid receiver after passing through the second throttling expansion valve, the refrigerant inlet of the third heat exchanger is connected to the interface C of the first four-way valve, and the outlet of the third heat exchanger The refrigerant outlet is connected to the liquid storage through the third throttling expansion valve. The utility model has the advantages of simple system, powerful function, multi-purpose, high efficiency and energy saving.

Description

Multidimensional heat pump unit

technical field

The multi-dimensional heat pump unit of the utility model belongs to the technical field of heat pump air conditioners and heat pump water heaters, and in particular relates to a set of refrigeration, cooling, refrigeration, dehumidification, heating, heating, hot water supply, etc. that can transfer energy between multiple heat sources. A multi-dimensional heat pump unit with multiple functions in one.

Background technique

The heat pumps currently popular in the market can be divided into single system and multi-system according to the number of systems; they can be divided into single cooling type, single heating type and heating and cooling type according to the application form; they can be divided into air source heat pump, water source heat pump, ground source heat pump. The design of these heat pump systems is based on the reverse Carnot cycle principle, which includes compressors, condensers, evaporators and throttling devices in a single system. For the heating and cooling heat pump system, a four-way reversing valve is added to realize the refrigeration cycle and heating cycle. switch. With the development of the heat pump industry, a hot water heat exchanger is added between the compressor exhaust port and the four-way valve inlet, so that during the refrigeration cycle, the hot water heat exchanger acts as a condenser to recover part of the waste heat of the condenser. It is used to heat domestic water and realize free hot water supply, which is commonly referred to as heat recovery in the heat pump industry. However, this hot water heat exchanger still functions as a condenser during the heating cycle. At this time, the heat for heating domestic water comes from the heat used to heat the room. Therefore, when the ambient temperature is too low, the heating capacity is rapidly attenuated. It is easy to cause insufficient heating. The above heat pump is a cooling or heating function realized between a group of condensers and evaporators. We can understand this type of heat pump as a two-dimensional heat pump system. Applications in places with low requirements. Its disadvantage is that it has a single function and cannot meet people's requirements for increasing comfort. For example, the traditional two-dimensional heat pump cannot realize dual heating and cooling applications; Mobile, where the condensed waste heat cannot be recovered and used; poor adaptability, for some special applications, such as: water temperature regulation and indoor humidity regulation of cold water pools and hot water pools in swimming pools, cooling of computer rooms and cooling and heating in offices. , This type of place is characterized by high requirements for comfort. If the right equipment cannot be selected, the energy consumption will be very large. The needs of these special places cannot be met by ordinary heat pump systems at the same time.

Contents of the invention

The purpose of the utility model is to avoid the deficiencies in the prior art, and provide a system with simple, powerful functions and high energy comprehensive application efficiency, which can provide six independent operation modes, and automatic conversion between various modes can be realized 3D heat pump unit.

The purpose of this utility model is achieved through the following measures. The multidimensional heat pump unit includes a compressor, an oil separator, a four-way valve, a heat exchanger, a one-way valve, a throttling expansion valve, a liquid storage device, and a gas-liquid separator. The oil return capillary, shell, and electrical controller are composed. The exhaust port of the compressor is connected to the inlet of the oil separator, the outlet of the oil separator is connected to the inlet of the four-way valve, and the oil separator is connected to the air return pipe of the compressor through the oil return capillary. Connected, the air return pipe of the compressor is connected to the gas-liquid separator, the outlet of the gas-liquid separator is connected to the air return port of the compressor, and the refrigerant outlet of the heat exchanger is connected to the liquid receiver after passing through the throttling expansion valve. A one-way valve is connected in parallel on the flow expansion valve, and a first heat exchanger, a second heat exchanger, and a third heat exchanger are provided. The refrigerant inlet of the first heat exchanger is connected to the interface C of the second four-way valve. The refrigerant outlet of the first heat exchanger passes through the first throttling expansion valve and then connects to the liquid receiver. The first check valve is connected in parallel with the first throttling expansion valve, and the refrigerant inlet of the third heat exchanger is connected to the first Port C of the four-way valve, the refrigerant outlet of the third heat exchanger is connected to the liquid receiver through the third throttling expansion valve, and the third one-way valve is connected in parallel to the third throttling expansion valve, and the second heat exchanger Connect to port E of the second four-way valve, the refrigerant outlet of the second heat exchanger passes through the second throttling expansion valve and then connects to the liquid receiver, and connects the second one-way valve in parallel to the second throttling expansion valve. The first four-way valve is connected to the inlet of the gas-liquid separator, the second four-way valve is connected to the inlet of the gas-liquid separator, and the first four-way valve is connected to the second four-way valve in series.

The liquid storage device of the utility model is a three-way high-pressure liquid storage tank, and the three connecting pipes of the liquid storage tank are respectively connected with the outlets of the first throttling expansion valve, the second throttling expansion valve, and the third throttling expansion valve.

Both ends of the first throttling expansion valve of the utility model are connected in parallel with the first one-way valve, both ends of the second throttling expansion valve are connected in parallel with the second one-way valve, and both ends of the third throttling expansion valve are connected in parallel with the third one-way valve. valve.

The utility model can realize six independent operation modes, and intelligent automatic switching can be realized among various modes, which breaks through the limitations of the traditional two-dimensional heat pump system, and provides an independent system that can realize energy in multiple heat sources The mutual transfer between them maximizes the comprehensive utilization efficiency of energy, solves the problem of single function of heat transfer pump and insufficient energy utilization, and provides a good solution for energy conservation.

The utility model has the advantages of simple system, powerful function, multiple functions of one machine, high efficiency and energy saving, safety and environmental protection, and has wide market promotion and use prospects.

Description of drawings

Accompanying drawing 1 is the structural representation of the embodiment of the utility model.

Accompanying drawing 2 is the structural representation of the embodiment of the utility model.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

In the figure: compressor 1, oil separator 2, first four-way valve 3, second four-way valve 4, third heat exchanger 5, third one-way valve 6, third throttling expansion valve 7, first Heat exchanger 8, first one-way valve 9, first throttling expansion valve 10, second heat exchanger 11, second one-way valve 12, second throttling expansion valve 13, liquid reservoir 14, gas-liquid separation Device 15, oil return capillary 16, electrical controller 17, housing 18.

As shown in accompanying drawing 1 and accompanying drawing 2, the utility model multi-dimensional heat pump unit includes a compressor 1, an oil separator 2, a first four-way valve 3, a second four-way valve 4, a third heat exchanger 5, a third One-way valve 6, third throttling expansion valve 7, first heat exchanger 8, first one-way valve 9, first throttling expansion valve 10, second heat exchanger 11, second one-way valve 12, second Two throttling expansion valves 13, a liquid reservoir 14, a gas-liquid separator 15, an oil return capillary 16, an electric controller 17, and a casing 18 are formed. The electric controller 17 is installed on the casing 18, and the exhaust port of the compressor 1 is connected to the The inlet of the oil separator 2 is connected, the outlet of the oil separator 2 is connected with the inlet D of the first four-way valve 3, the oil separator 2 is connected with the air return pipe of the compressor 1 through the oil return capillary 16, and the air return pipe of the compressor 1 Connected to the gas-liquid separator 15, the outlet of the gas-liquid separator 15 is connected to the air return port of the compressor 1, the interface C of the first four-way valve 3 is connected to the refrigerant inlet of the third heat exchanger 5, and the third heat exchanger 5 The refrigerant outlet of the heater 5 is connected to the liquid accumulator 14 through the third throttling expansion valve 7, the third one-way valve 6 is connected in parallel on the third throttling expansion valve 7, and the interface E of the first four-way valve 3 is connected in series The interface D of the second four-way valve 4, the interface S of the first four-way valve 3 and the interface S of the second four-way valve 4 are connected with the inlet of the gas-liquid separator 15, and the interface C of the second four-way valve 4 is connected with the inlet of the gas-liquid separator 15. The refrigerant inlet of the first heat exchanger 8 is connected, the refrigerant outlet of the first heat exchanger 8 passes through the first throttling expansion valve 10 and then connects to the liquid reservoir 14, and the first throttling expansion valve 10 is connected in parallel with the second A one-way valve 9, the interface E of the second four-way valve 4 is connected to the refrigerant inlet of the second heat exchanger 11, and the refrigerant outlet of the second heat exchanger 11 passes through the second throttling expansion valve 13 and then connected to The liquid reservoir 14 is connected in parallel with the second one-way valve 12 on the second throttling expansion valve 13 .

The utility model can provide six independent operation modes, and automatic switching can be realized among various modes.

Mode 1: The first four-way valve 3 is energized, the second four-way valve 4 is de-energized, the first throttling expansion valve 10 is closed, the second throttling expansion valve 13 is working, the third throttling expansion valve 7 is closed, the first The heat exchanger 8 works, the second heat exchanger 11 works, and the exhaust gas of the compressor passes through the oil separator 2, the first four-way valve 3, the second four-way valve 4, the first heat exchanger 8, the first unit The valve 9, the liquid receiver 14, the second throttling expansion valve 13, the second heat exchanger 11, the second four-way valve 4, and the gas-liquid separator 15 return to the compressor 1 to complete the refrigerant cycle. The high-temperature and high-pressure refrigerant gas is condensed in the first heat exchanger 8, and evaporates at the second heat exchanger 11 after throttling. Heater 11 realizes the function of refrigeration, cooling or dehumidification.

Mode 2: The first four-way valve 3 is energized, the second four-way valve 4 is energized, the first throttling expansion valve 10 is working, the second throttling expansion valve 13 is closed, the third throttling expansion valve 7 is closed, the first The heat exchanger 8 is working, the second heat exchanger 11 is working, and the exhaust gas of the compressor passes through the oil separator 2, the first four-way valve 3, the second four-way valve 4, the second heat exchanger 11, the second unit Return to the compressor 1 to the valve 12, the liquid receiver 14, the first throttling expansion valve 10, the first heat exchanger 8, the second four-way valve 4, and the gas-liquid separator 15 to complete the refrigerant cycle. The high-temperature and high-pressure refrigerant gas is condensed in the second heat exchanger 11, and evaporates at the first heat exchanger 8 after throttling. The second heat exchanger 11 realizes the function of heating, heating water or heating. Heater 8 realizes refrigeration, cooling or dehumidification function.

Mode 3: the first four-way valve 3 is energized, the second four-way valve 4 is de-energized, the first throttling expansion valve 10 is closed, the second throttling expansion valve 13 is closed, the third throttling expansion valve 7 is working, the first The heat exchanger 8 works, the third heat exchanger 5 works, and the exhaust gas of the compressor passes through the oil separator 2, the first four-way valve 3, the second four-way valve 4, the first heat exchanger 8, the first unit Return to the compressor 1 to the valve 9, the liquid receiver 14, the third throttling expansion valve 7, the third heat exchanger 5, the first four-way valve 3, and the gas-liquid separator 15 to complete the refrigerant cycle. The high-temperature and high-pressure refrigerant gas is condensed in the first heat exchanger 8, and evaporates at the third heat exchanger 5 after throttling. Heater 5 realizes the function of refrigeration, cooling or dehumidification.

Mode 4: The first four-way valve 3 is de-energized, the second four-way valve 4 is energized, the first throttling expansion valve 10 works, the second throttling expansion valve 13 closes, the third throttling expansion valve 7 closes, the first The heat exchanger 8 is working, the third heat exchanger 5 is working, and the exhaust gas of the compressor passes through the oil separator 2, the first four-way valve 3, the third heat exchanger 5, the third one-way valve 6, and the liquid reservoir in sequence 14. The first throttling expansion valve 10, the first heat exchanger 8, the second four-way valve 4, and the gas-liquid separator 15 return to the compressor 1 to complete the refrigerant cycle. The high-temperature and high-pressure refrigerant gas is condensed in the third heat exchanger 5, and evaporates at the first heat exchanger 8 after throttling. The third heat exchanger 5 realizes the functions of heating, hot water or heating. Heater 8 realizes refrigeration, cooling or dehumidification function.

Mode 5: The first four-way valve 3 is energized, the second four-way valve 4 is energized, the first throttling expansion valve 10 is closed, the second throttling expansion valve 13 is closed, the third throttling expansion valve 7 is working, the second The heat exchanger 11 works, the third heat exchanger 5 works, and the exhaust gas of the compressor passes through the oil separator 2, the first four-way valve 3, the second four-way valve 4, the second heat exchanger 11, the second unit Return to the compressor 1 to the valve 12, the liquid receiver 14, the third throttling expansion valve 7, the third heat exchanger 5, the first four-way valve 3, and the gas-liquid separator 15 to complete the refrigerant cycle. The high-temperature and high-pressure refrigerant gas is condensed in the second heat exchanger 11, and evaporates at the third heat exchanger 5 after throttling. The second heat exchanger 11 realizes the function of heating, heating water or heating. The heat exchanger 5 realizes the function of refrigeration, cooling or dehumidification.

Mode 6: the first four-way valve 3 is de-energized, the second four-way valve 4 is de-energized, the first throttling expansion valve 10 is closed, the second throttling expansion valve 13 is working, the third throttling expansion valve 7 is closed, the second The heat exchanger 11 is working, the third heat exchanger 5 is working, and the exhaust gas of the compressor passes through the oil separator 2, the first four-way valve 3, the third heat exchanger 5, the third one-way valve 6, and the liquid reservoir in sequence. 14. The second throttling expansion valve 13, the second heat exchanger 11, the second four-way valve 4, and the gas-liquid separator 15 return to the compressor 1 to complete the refrigerant cycle. The high-temperature and high-pressure refrigerant gas is condensed in the third heat exchanger 5, and evaporates at the second heat exchanger 11 after throttling. The third heat exchanger 5 realizes the function of heating, heating water or heating. Heater 11 realizes the function of refrigeration, cooling or dehumidification.

Claims (2)

1. A multi-dimensional heat pump unit, including a compressor, an oil separator, a four-way valve, a heat exchanger, a one-way valve, a throttling expansion valve, a liquid receiver, a gas-liquid separator, an oil return capillary, and a compressor The exhaust port is connected to the inlet of the oil separator, and the outlet of the oil separator is connected to the inlet of the first four-way valve. The oil separator is connected to the air return pipe of the compressor through the oil return capillary, and the air return pipe of the compressor is connected to the gas-liquid On the separator, the outlet of the gas-liquid separator is connected to the air return port of the compressor, the refrigerant outlet of the heat exchanger passes through the throttling expansion valve and then connected to the liquid receiver, the throttling expansion valve is connected in parallel with a one-way valve, and the electrical controller Installed on the shell, it is characterized in that it is provided with a first heat exchanger, a second heat exchanger, and a third heat exchanger. The refrigerant inlet of the first heat exchanger is connected with the connecting pipe of the second four-way valve, and the first The refrigerant outlet of the heat exchanger passes through the first throttling expansion valve and then connects to the liquid receiver. The first one-way valve is connected in parallel with the first throttling expansion valve. The connecting pipes of the valves are connected, the refrigerant outlet of the third heat exchanger is connected to the liquid receiver through the third throttling expansion valve, and the third one-way valve is connected in parallel on the third throttling expansion valve, and the second heat exchanger and the first The connecting pipes of the two and four-way valves are connected, the refrigerant outlet of the second heat exchanger passes through the second throttling expansion valve and then connects to the liquid receiver, the second one-way valve is connected in parallel on the second throttling expansion valve, the first four The one-way valve is connected to the inlet of the gas-liquid separator, the second four-way valve is connected to the inlet of the gas-liquid separator, and the first four-way valve is connected in series to the second four-way valve. 2. The multi-dimensional heat pump unit according to claim 1, characterized in that the accumulator is a three-way high-pressure accumulator, and the three connecting pipes of the accumulator are respectively connected to the first throttling expansion valve, the second throttling expansion valve, and the second throttling expansion valve. The outlet of the three-throttle expansion valve is connected. the

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