CN205939817U - Air can water temperature control unit and is used its water bath system - Google Patents

Abstract

The utility model discloses an air energy water temperature control unit and a water bath system using the same, comprising a refrigerant circuit, a cold water side processing module and a hot water side processing module, the refrigerant circuit is arranged in the cold water side processing module and the hot water side processing module Between; the cold water side treatment module includes a cold water side heat exchanger; the hot water side treatment module includes a hot water side heat exchanger; the refrigerant circuit includes a compressor, a four-way control valve, a surface cooling heat exchanger, Heating control valves, cooling control valves and expansion valves. Using air energy, a single unit can realize three functions: separate heating, separate cooling and simultaneous heating and cooling, which can meet the various needs of users, improve market competitiveness, and greatly reduce production costs and operating costs.

Description

An air energy water temperature control unit and a water bath system using the same

technical field

The utility model relates to the field of air energy technical equipment, in particular to an air energy water temperature control unit and a water bath system using the same.

Background technique

Air energy is widely used because of its low energy consumption cost and high energy utilization efficiency, especially in water bath equipment. More and more water bath equipment uses air energy technology to control water temperature. Air energy can be used for both cooling and heating. The main principle is that the air is compressed from low temperature and low pressure to high temperature and high pressure, and then the high temperature and high pressure air exchanges heat energy with the water body through the plate heat exchanger, thereby heating the water body; or, the high temperature and high pressure air first Release heat to the outside through the surface cooling heat exchanger, convert it into low-temperature and low-pressure gas, and then exchange heat energy with the water body through the plate heat exchanger, thereby cooling the water body. The water temperature control unit of the existing water bath equipment can only heat or heat alone, and has a single function, which cannot meet the various needs of users; therefore, if the water body is to be heated and cooled, the water bath equipment needs to be equipped with two The water temperature control unit greatly increases the production cost and consumes a lot of energy.

Utility model content

The purpose of this utility model is to propose a single unit that can realize three functions of separate heating, separate cooling and simultaneous heating and cooling, which has high energy utilization rate and greatly reduces input cost and operating cost. Air energy water temperature control unit and Use its water bath system.

For this purpose, the utility model adopts the following technical solutions:

An air energy water temperature control unit, including a refrigerant circuit, a cold water side processing module and a hot water side processing module, the refrigerant circuit is arranged between the cold water side processing module and the hot water side processing module;

The cold water side processing module includes a cold water side heat exchanger;

The hot water side processing module includes a hot water side heat exchanger;

The refrigerant circuit includes a compressor, a four-way control valve, a surface cooling heat exchanger, a heating control valve, a refrigeration control valve and an expansion valve;

The hot gas outlet of the compressor is connected to the air inlet of the four-way control valve, the cold air return port of the compressor is connected to the air return port of the four-way control valve, and the first An inlet and outlet are connected to the first heat exchange port of the four-way control valve, the air inlet of the hot water side heat exchanger is connected to the second heat exchange port of the four-way control valve, and the surface cooling heat exchange The second inlet and outlet of the heat exchanger and the outlet of the hot water side heat exchanger are connected to the inlet of the expansion valve, and the inlet of the heating control valve and the inlet of the cooling control valve are connected to the inlet of the expansion valve. The outlet connection, the air outlet of the heating control valve is connected to the second inlet and outlet of the surface cooling heat exchanger, the air outlet of the refrigeration control valve is connected to the air inlet of the cold water side heat exchanger, and the cold water side heat exchange The air outlet of the device is connected with the cold air return of the compressor.

Preferably, the cold water side processing module further includes a cold water side return pipe, a cold water side outlet pipe, a cold water return pump and a cold water flow switch;

The output port of the cold water side return pipe is connected to the water inlet of the cold water side heat exchanger, the input port of the cold water side outlet pipe is connected to the water outlet of the cold water side heat exchanger, and the cold water return pump is arranged on the cold water side The input port of the side return pipe, the cold water flow switch is set at the output port of the cold water side outlet pipe;

The hot water side processing module also includes a hot water side return pipe, a hot water side outlet pipe, a hot water return pump and a hot water flow switch;

The output port of the hot water side return pipe is connected to the water inlet of the hot water side heat exchanger, the input port of the hot water side outlet pipe is connected to the water outlet of the hot water side heat exchanger, and the hot water return pump The hot water flow switch is arranged at the input port of the hot water side return pipe, and the hot water flow switch is arranged at the output port of the hot water side outlet pipe.

Preferably, it also includes a cold and hot water mixing pipeline, the cold and hot water mixing pipeline includes a mixing control valve and a cold and hot water communication pipe;

The first inlet and outlet of the cold and hot connecting water pipe are connected with the input port of the cold water side return pipe, and the second inlet and outlet of the cold and hot connecting water pipe are connected with the output port of the hot water side return pipe.

Preferably, the cold water side treatment module further includes a cold water return temperature sensor and a cold water outlet temperature sensor, the cold water return temperature sensor is arranged at the input port of the cold water side return pipe, and the cold water outlet temperature sensor is arranged at the outlet of the cold water side. the outlet of the water pipe;

The hot water side processing module also includes a hot water return temperature sensor and a hot water outlet temperature sensor, the hot water return temperature sensor is arranged at the input port of the hot water side return pipe, and the hot water outlet temperature sensor is arranged at The outlet of the outlet pipe on the water side.

Preferably, the refrigerant circuit further includes a first one-way valve, a second one-way valve, a third one-way valve, a liquid storage tank, an axial fan and a filter;

The input port of the first one-way valve is connected to the output port of the heating control valve, and both the output port of the first one-way valve and the input port of the second one-way valve exchange heat with the surface cooling The second inlet and outlet of the device are connected, and the input port of the third one-way valve is connected with the gas outlet of the hot water side heat exchanger;

The output port of the second one-way valve and the output port of the third one-way valve are both connected to the input port of the liquid storage tank, the output port of the liquid storage tank is connected to the input port of the filter, and the The outlet of the filter is connected to the inlet of the expansion valve;

The axial flow fan is arranged inside the surface cooling heat exchanger, and the axial flow fan is connected with the heat exchange air passage of the surface cooling heat exchanger.

Preferably, it also includes a storage box, the refrigerant circuit, the cold water side treatment module and the hot water side treatment module are arranged inside the storage box, and the axial flow fan is fixed on the top surface of the inside of the storage box ;

The storage box includes a PLC control device installed on one side of the storage box, the four-way control valve, compressor, heating control valve, refrigeration control valve, expansion valve, mixing control valve, Cold water return pump, cold water flow switch, axial fan, hot water return pump, hot water flow switch, cold water return temperature sensor, cold water outlet temperature sensor, hot water return temperature sensor and hot water outlet temperature sensor are all connected with the PLC The control device is electrically connected.

Preferably, the housing box further includes a cold water return interface, a cold water outlet interface, a hot water return interface and a hot water outlet interface, the cold water return interface, the cold water outlet interface, the hot water Both the return water interface and the hot water side outlet interface are arranged on the other side of the containing box;

The input port of the cold water side return pipe is connected with the cold water side return port, and the output port of the cold water side outlet pipe is connected with the cold water side outlet port;

The input port of the hot water side return pipe communicates with the hot water side return port, and the output port of the hot water side outlet pipe communicates with the hot water side outlet port.

Preferably, the water bath system using the air energy water temperature control unit includes a hot water pool, a cold water pool and the air energy water temperature control unit. The output port of the water pipe is connected, and the water outlet of the hot water pool is connected with the input port of the hot water side return pipe of the air energy water temperature control unit through the connection pipe;

The water inlet of the cold water pool communicates with the output port of the cold water side outlet pipe of the air energy water temperature control unit through the connecting pipe, and the water outlet of the cold water pool communicates with the input port of the cold water side return pipe of the air energy water temperature control unit through the connecting pipe.

Preferably, a water supply circuit is also included, the water supply circuit includes a water supply main pipe, a water supply main switch, a first water supply branch pipe, a first water supply switch, a second water supply branch pipe and a second water supply switch;

Both the input port of the first water supply branch pipe and the input port of the second water supply branch pipe are connected to the output port of the water supply main pipe, and the output port of the first water supply branch pipe communicates with the input port of the hot water side return pipe through a connecting pipe , the output port of the second water supply branch pipe communicates with the input port of the cold water side return pipe through a connecting pipe;

The main water supply switch is set at the input port of the water supply main pipe, the first water supply switch is set at the input port of the first water supply branch pipe, and the second water supply switch is set at the input port of the second water supply branch pipe .

The air energy and water temperature control unit utilizes air energy, and a single unit can realize three functions of separate heating, separate cooling and simultaneous heating and cooling, which meets various needs of users and improves market competitiveness, and the production cost and operating cost are lower. dramatically drop. When the air energy and water temperature control unit is heating and cooling at the same time, the heat of the cold water side processing module is transferred to the hot water side processing module, and almost no heat is discharged to the external environment during the heat transfer process, and the energy utilization rate is high, which is greatly improved. Reduce input and operating costs. The cold and hot water mixing pipeline can prevent the problem that the air energy water temperature control unit cannot operate normally due to the low water temperature of the cold water side processing module, and improve the environmental adaptability of the air energy water temperature control unit.

Description of drawings

The accompanying drawings further illustrate the utility model, but the content in the accompanying drawings does not constitute any limitation to the utility model.

Fig. 1 is a schematic diagram of the internal structure of an air energy water temperature control unit according to one embodiment of the present invention;

Fig. 2 is a working principle diagram of the synchronous cooling and heating mode of one embodiment of the present invention;

Fig. 3 is a working principle diagram of the heating mode of one embodiment of the present invention;

Fig. 4 is a working principle diagram of the cooling mode of one embodiment of the utility model;

Fig. 5 is the relationship diagram of the PLC control device module of one of the embodiments of the present invention;

Fig. 6 is a schematic structural diagram of a water bath system according to one embodiment of the present invention;

Fig. 7 is an enlarged view of the water supply circuit structure of one embodiment of the present invention.

Among them: storage box 1; refrigerant circuit 2; cold water side processing module 3; hot water side processing module 4; cold water side heat exchanger 31; hot water side heat exchanger 41; compressor 21; four-way control valve 22; table Cold heat exchanger 23; axial fan 231; heating control valve 24; cooling control valve 25; expansion valve 26; cold water side return pipe 32; cold water side outlet pipe 33; cold water return pump 34; cold water flow switch 35; hot water Side return pipe 42; hot water side outlet pipe 43; hot water return pump 44; hot water flow switch 45; cold and hot water mixing pipeline 5; mixing control valve 51; Second one-way valve 27b; third one-way valve 27c; liquid storage tank 28; filter 29; PLC control device 11; operation mode selection module 111; hot and cold water temperature setting module 112; timing operation module 113; fault alarm module 114; cold water return port 12; cold water outlet port 13; hot water return port 14; hot water outlet port 15; hot water pool 7; cold water pool 8; water supply circuit 9; main water supply pipe 91; ; The first water supply branch 93; the first water supply switch 94; the second water supply branch 95; the second water supply switch 96.

detailed description

The technical scheme of the utility model will be further described below in conjunction with the accompanying drawings and through specific embodiments.

The air energy water temperature control unit of this embodiment, as shown in Figure 1, includes a refrigerant circuit 2, a cold water side processing module 3 and a hot water side processing module 4, and the refrigerant circuit 2 is arranged on the cold water side processing module 3 and the hot water side between processing modules 4;

The cold water side treatment module 3 includes a cold water side heat exchanger 31;

The hot water side treatment module 4 includes a hot water side heat exchanger 41;

The refrigerant circuit 2 includes a compressor 21, a four-way control valve 22, a surface cooling heat exchanger 23, a heating control valve 24, a cooling control valve 25 and an expansion valve 26;

The hot gas discharge port of the compressor 21 is connected to the air inlet of the four-way control valve 22, the cold air return port of the compressor 21 is connected to the air return port of the four-way control valve 22, and the meter cold exchange The first inlet and outlet of the heat exchanger 23 are connected to the first heat exchange port of the four-way control valve 22, and the air inlet of the hot water side heat exchanger 41 is connected to the second heat exchange port of the four-way control valve 22. The second inlet and outlet of the surface cooling heat exchanger 23 and the outlet of the hot water side heat exchanger 41 are both connected to the inlet of the expansion valve 26, the inlet of the heating control valve 24 and the cooling control valve The air inlet of the valve 25 is connected with the outlet of the expansion valve 26, the air outlet of the heating control valve 24 is connected with the second inlet and outlet of the surface cooling heat exchanger 23, and the air outlet of the refrigeration control valve 25 is connected with the outlet of the cooling control valve 25. The air inlet of the cold water side heat exchanger 31 is connected, and the air outlet of the cold water side heat exchanger 31 is connected with the cold air return port of the compressor 21 .

The air energy and water temperature control unit of this embodiment utilizes air energy, and a single unit can realize three functions of separate heating, separate cooling and simultaneous heating and cooling, satisfying various needs of users, improving market competitiveness, and reducing production costs and operating costs. Costs have dropped significantly. For ease of explanation, the air used as a heat exchange medium is called a refrigerant. The cold water side heat exchanger 31 and the hot water side heat exchanger 41 are plate heat exchangers for heat energy exchange between the refrigerant and the water body; the surface cooling heat exchanger 23 is a surface cooling heat exchanger for the refrigerant Exchange heat energy with the outdoor air, dissipate heat to the refrigerant, and discharge heat to the outside. The surface cooling heat exchanger 23 compresses and discharges the high-temperature and high-pressure gas from the compressor 21 to condense into a low-temperature and high-pressure liquid. The air energy water temperature control unit is provided with the four-way control valve 22 for controlling the flow direction of the refrigerant: when the four-way control valve 22 is powered off, the air inlet of the four-way control valve 22 is connected to the second The heat exchange port is connected, and the first heat exchange port of the four-way control valve 22 is connected with the air return port; when the four-way control valve 22 is energized, the air inlet of the four-way control valve 22 is connected with the first heat exchange port , the second heat exchange port of the four-way control valve 22 communicates with the air return port.

When heating alone, as shown in Figure 2, the four-way control valve 22 is powered off, the heating control valve 24 is opened, and the cooling control valve 25 is closed: first, high-temperature and high-pressure gas is discharged from the hot gas outlet of the compressor 21. Refrigerant; then, the high-temperature and high-pressure refrigerant enters the air inlet of the four-way control valve 22 and is discharged from the second heat exchange port of the four-way control valve 22; then, the high-temperature and high-pressure refrigerant enters the hot water side exchange Heater 41 releases heat to the water body in the hot water side heat exchanger 41, thereby heating the water body in the hot water side treatment module 4, and the refrigerant changes from high temperature and high pressure to medium temperature and medium pressure; then, the medium temperature and medium pressure refrigerant It is discharged from the air outlet of the heat exchanger 41 on the hot water side and enters the expansion valve 26. The expansion valve 26 converts the medium-temperature and medium-pressure refrigerant into a low-temperature and low-pressure refrigerant; The cold heat exchanger 23 absorbs heat from the outside; finally, the refrigerant enters the cold air return port of the compressor 21 through the guide of the four-way control valve 22 to complete a heating cycle.

When cooling alone, as shown in Figure 3, the four-way control valve 22 is energized, the heating control valve 24 is closed, and the cooling control valve 25 is opened: first, high-temperature and high-pressure refrigerant is discharged from the hot gas outlet of the compressor 21; Then, the high-temperature and high-pressure refrigerant enters the air inlet of the four-way control valve 22 and is discharged from the first heat exchange port of the four-way control valve 22; then, the high-temperature and high-pressure refrigerant enters the surface cooling heat exchanger 23 to The heat is released outdoors, and the refrigerant changes from high temperature and high pressure to medium temperature and medium pressure; then, the medium temperature and medium pressure refrigerant is discharged from the second inlet and outlet of the surface cooling heat exchanger 23 and enters the expansion valve 26, and the expansion valve 26 converts the medium temperature and medium pressure refrigerant converted into a low-temperature and low-pressure refrigerant; furthermore, the low-temperature and low-pressure refrigerant enters the cold water side heat exchanger 31 through the refrigeration control valve 25, and absorbs heat from the water body in the cold water side heat exchanger 31, thereby cooling the cold water side processing module 3 Finally, the refrigerant is discharged from the air outlet of the cold water side heat exchanger 31 and enters the cold air return port of the compressor 21 to complete a refrigeration cycle.

When heating and cooling at the same time, as shown in Figure 4, the four-way control valve 22 is powered off, the heating control valve 24 is closed, and the cooling control valve 25 is opened: first, high-temperature and high-pressure refrigerant is discharged from the hot gas outlet of the compressor 21 Then, the high-temperature and high-pressure refrigerant enters the air inlet of the four-way control valve 22 and is discharged from the second heat exchange port of the four-way control valve 22; then, the high-temperature and high-pressure refrigerant enters the hot water side for heat exchange The device 41 releases heat to the water body in the hot water side heat exchanger 41, thereby heating the water body in the hot water side treatment module 4, and the refrigerant changes from high temperature and high pressure to medium temperature and medium pressure; then, the medium temperature and medium pressure refrigerant changes from The air outlet of the hot water side heat exchanger 41 is discharged into the expansion valve 26, and the expansion valve 26 converts the medium-temperature and medium-pressure refrigerant into a low-temperature and low-pressure refrigerant; furthermore, the low-temperature and low-pressure refrigerant enters the cold water side through the refrigeration control valve 25 The heat exchanger 31 absorbs heat from the water body in the cold water side heat exchanger 31, thereby cooling the water body of the cold water side treatment module 3; finally, the refrigerant is discharged from the air outlet of the cold water side heat exchanger 31 and enters the compressor The air-conditioning return port of machine 21 completes a simultaneous heating and cooling cycle.

The air energy water temperature control unit only heats the water body of the hot water side treatment module 4 when heating alone, while the water body of the cold water side treatment module 3 maintains a constant temperature; similarly, only cools the water body of the cold water side treatment module 3 when cooling alone, And the water body of the hot water side treatment module 3 maintains a constant temperature; thus, the control stability and control independence of the air energy water temperature control unit. When the air energy and water temperature control unit is heating and cooling at the same time, the heat of the cold water side processing module 3 is transferred to the hot water side processing module 4, almost no heat is discharged to the external environment during the heat transfer process, and the energy utilization rate is high , greatly reducing input and operating costs.

Preferably, as shown in FIG. 1 , the cold water side treatment module 3 further includes a cold water side return pipe 32 , a cold water side outlet pipe 33 , a cold water return pump 34 and a cold water flow switch 35 ;

The output port of the cold water side return pipe 32 is connected to the water inlet of the cold water side heat exchanger 31, the input port of the cold water side outlet pipe 33 is connected to the water outlet of the cold water side heat exchanger 31, and the cold water return pump 34 Set at the input port of the cold water side return pipe 32, and the cold water flow switch 35 is set at the output port of the cold water side outlet pipe 33;

The hot water side processing module 4 also includes a hot water side return pipe 42 , a hot water side outlet pipe 43 , a hot water return pump 44 and a hot water flow switch 45 ;

The output port of the hot water side return pipe 42 is connected to the water inlet of the hot water side heat exchanger 41, and the input port of the hot water side outlet pipe 43 is connected to the water outlet of the hot water side heat exchanger 41. The hot water return pump 44 is arranged at the input port of the hot water side return pipe 42 , and the hot water flow switch 45 is arranged at the output port of the hot water side outlet pipe 43 .

The cold water side treatment module 3 also includes a cold water return pipe 32, a cold water outlet pipe 33, a cold water return pump 34 and a cold water flow switch 35; Heater 31, then exchanges heat with the refrigerant in the cold water side heat exchanger 31 and then discharges from the cold water side outlet pipe 33, the cold water return pump 34 controls the input water volume of the hot water side treatment module 3, the cold water flow The switch 35 controls the output water volume of the cold water side treatment module 3 .

The hot water side processing module 4 also includes a hot water side return pipe 42, a hot water side outlet pipe 43, a hot water return pump 44 and a hot water flow switch 45; pumped into the hot water side heat exchanger 41, then exchange heat with the refrigerant in the hot water side heat exchanger 41, and then discharge from the hot water side outlet pipe 43, the hot water return pump 44 controls the hot water side The input water volume of the treatment module 4 , the hot water flow switch 45 controls the output water volume of the hot water side treatment module 4 .

Preferably, it also includes a cold and hot water mixing pipeline 5. As shown in FIG. 1, the cold and hot water mixing pipeline 5 includes a mixing control valve 51 and a cold and hot water communication pipe 52;

The first inlet and outlet of the cold and hot communicating water pipe 52 are connected to the input port of the cold water return pipe 32 , and the second inlet and outlet of the cold and hot communicating water pipe 52 are connected to the output port of the hot water return pipe 42 .

The cold and hot water mixing pipeline 5 can prevent the problem that the air energy water temperature control unit cannot operate normally due to the low water temperature of the cold water side treatment module 3 . Since the air energy water temperature controller requires an external environment temperature of 7°C to 40°C during normal operation, the allowable minimum water temperature of the cold water side processing module 3 is often set at 10°C to 15°C in order to ensure the normal operation of the unit. When affected by the external environment temperature, when the water temperature of the cold water side treatment module 3 is lower than the allowable value, the mixing control valve 51 of the cold and hot water mixing pipeline 5 is opened; thus the hot water of the hot water side treatment module 4 can pass through The cold and hot connecting water pipe 52 is drawn into the cold water side return pipe 32 to increase the water temperature of the cold water side treatment module 3 . Setting the cold and hot water mixing pipeline 5 can ensure the normal operation of the air energy and water temperature control unit at low temperature, and improve the environmental adaptability of the air energy and water temperature control unit.

Preferably, the cold water side processing module 3 further includes a cold water return temperature sensor and a cold water outlet temperature sensor, the cold water return temperature sensor is arranged at the input port of the cold water side return pipe 32, and the cold water outlet temperature sensor is arranged at the cold water outlet temperature sensor. The output port of the side outlet pipe 33;

The hot water side processing module 4 also includes a hot water return temperature sensor and a hot water outlet temperature sensor, the hot water return temperature sensor is arranged at the input port of the hot water side return pipe 42, and the hot water outlet temperature sensor At the outlet of the water outlet pipe 43 on the hot water side.

The cold water return temperature sensor is arranged at the input port of the cold water side return pipe 32 for detecting the water temperature of the input port of the cold water side return pipe 32; the cold water outlet temperature sensor is arranged at the output port of the cold water side outlet pipe 33 for Detect the water temperature of the output port of the cold water side outlet pipe 33; the hot water return temperature sensor is arranged at the input port of the hot water side return pipe 42 for detecting the water temperature of the input port of the hot water side return pipe 42; the hot water outlet temperature The sensor is installed at the outlet of the outlet pipe 43 on the hot water side, and is used to detect the water temperature at the outlet of the outlet pipe 43 on the hot water side; so as to know whether the real-time water temperature changes of the cold water side processing module 3 and the hot water side processing module 4 are within the temperature setting range It is convenient to adjust the outlet water temperature of the cold water side treatment module 3 and the hot water side treatment module 4 in time.

Preferably, the refrigerant circuit 2 further includes a first one-way valve 27a, a second one-way valve 27b, a third one-way valve 27c, a liquid storage tank 28, an axial fan 231 and a filter 29, as shown in FIG. 1 ;

The input port of the first one-way valve 27a is connected to the output port of the heating control valve 24, and the output port of the first one-way valve 27a and the input port of the second one-way valve 27b are connected to the The second inlet and outlet of the surface cooling heat exchanger 23 are connected, and the input port of the third check valve 27c is connected with the gas outlet of the hot water side heat exchanger 41;

The output port of the second one-way valve 27b and the output port of the third one-way valve 27c are all connected to the input port of the liquid storage tank 28, and the output port of the liquid storage tank 28 is connected to the input port of the filter 29. port connection, the output port of the filter 29 is connected to the inlet of the expansion valve 26;

The axial flow fan 231 is arranged inside the surface cooling heat exchanger 23 , and the axial flow fan 231 is connected with the heat exchange air passage of the surface cooling heat exchanger 23 .

The first one-way valve 27a is arranged between the heating control valve 24 and the surface cooling heat exchanger 23, and the control refrigerant can only flow from the heating control valve 24 to the surface cooling heat exchanger 23, and the reverse direction is not possible; The second one-way valve 27b is arranged between the surface cooling heat exchanger 23 and the liquid storage tank 28, and the control refrigerant can only flow from the surface cooling heat exchanger 23 to the liquid storage tank 28, and the reverse direction cannot be realized; the third The one-way valve 27c is arranged between the hot water side heat exchanger 41 and the liquid storage tank 28, and controls the refrigerant to only flow from the hot water side heat exchanger 41 to the liquid storage tank 28, and the reverse direction is not possible. The first one-way valve 27a, the second one-way valve 27b and the third one-way valve 27c play a one-way conduction function to guide the flow direction of the refrigerant and prevent energy loss caused by the refrigerant scurrying in the pipeline. The axial flow fan 231 is arranged on one side of the surface cooling heat exchanger 23, and the axial flow fan 231 is installed on the top of the housing box 1 for increasing the heat exchange speed of the surface cooling heat exchanger 23. The axial flow fan 231 can form an airflow so that the outdoor cold air is introduced into the housing 1 to exchange heat with the hot air around the surface cooling heat exchanger 23 to speed up the heat exchange.

The liquid storage tank 28 and filter 29 are sequentially arranged upstream of the expansion valve 26, and the liquid storage tank 28 is used to collect the water condensed into the liquid phase after passing through the hot water side heat exchanger 41 or the surface cooling heat exchanger 23. Refrigerant, so that it can dissipate heat into a medium-temperature liquid, avoiding the accumulation of too much liquid-phase refrigerant in the hot water side heat exchanger 41 or the surface cooling heat exchanger 23, which will affect the heat exchange effect; moreover, it can prevent the high-pressure gas-phase refrigerant from entering the low-pressure side . The filter 29 is used to filter impurities in the liquid-phase refrigerant to prevent impurities from entering the expansion valve 26 and causing damage to the expansion valve 26 . The expansion valve 26 can turn the medium-temperature and medium-pressure liquid-phase refrigerant into a low-temperature and low-pressure gas-phase refrigerant through throttling.

Preferably, it also includes an accommodating box 1. As shown in FIG. The fan 231 is fixed on the top surface inside the housing box 1;

The storage box 1 includes a PLC control device 11, the PLC control device 11 is installed on one side of the storage box 1, the four-way control valve 22, the compressor 21, the heating control valve 24, and the cooling control valve 25 , expansion valve 26, mixing control valve 51, cold water return pump 34, cold water flow switch 35, axial flow fan 231, hot water return pump 44, hot water flow switch 45, cold water return temperature sensor, cold water outlet temperature sensor, hot water Both the return water temperature sensor and the hot water outlet temperature sensor are electrically connected to the PLC control device 11 .

The PLC control device 11 controls the operation of the refrigerant circuit 2 , the cold water side processing module 3 and the hot water side processing module 4 , so as to realize the intelligent control of the air energy water temperature control unit.

Preferably, the PLC control device 11 includes an operation mode selection module 111, a hot and cold water temperature setting module 112, a timing operation module 113 and a fault alarm module 114, as shown in FIG. 5 ;

The operation mode selection module 11 is used to select and set the operation mode, the cold and hot water temperature setting module 112 is used to set the cold water outlet temperature, the allowable temperature difference of cold water, the hot water outlet temperature and the allowable temperature difference of hot water, and the timing operation module 113 is used to set the start time and shutdown time of the air energy water temperature control unit, and the fault alarm module 114 is used to generate an alarm signal when the air energy water temperature control unit fails.

The PLC control device 11 includes an operation mode selection module 111 , a hot and cold water temperature setting module 112 , a timing operation module 113 and a fault alarm module 114 . When in use, the user selects an operation mode through the operation mode selection module 111, and the operation mode includes individual heating, individual cooling, and simultaneous heating and cooling; Allowable temperature difference, hot water outlet temperature and hot water allowable temperature difference, the cold and hot water temperature setting module 112 monitors the real-time water temperature of the cold water side processing module 3 and the hot water side processing module 4 to ensure that the water temperature is within the setting range. Moreover, the user can also set the startup time and shutdown time of the air energy water temperature control unit through the timing operation module 113 to provide convenience for the user. The failure alarm module 114 monitors the operating status of the air energy and water temperature control unit in real time, and generates an alarm signal when the air energy and water temperature control unit fails to remind the user to repair the air energy and water temperature control unit.

Preferably, the housing box 1 further includes a cold water return port 12, a cold water outlet port 13, a hot water return port 14, and a hot water outlet port 15. As shown in FIG. 6, the cold water return The water interface 12, the cold water side water outlet interface 13, the hot water side return water interface 14 and the hot water side water outlet interface 15 are all arranged on the other side of the housing box 1;

The input port of the cold water side return pipe 32 communicates with the cold water side return port 12, and the output port of the cold water side outlet pipe 33 communicates with the cold water side outlet port 13;

The input port of the hot water side return pipe 42 communicates with the hot water side return port 14 , and the output port of the hot water side outlet pipe 43 communicates with the hot water side outlet port 15 .

The storage box 1 is provided with a cold water return port 12, a cold water outlet port 13, a hot water return port 14 and a hot water outlet port 15, so that the cold water return pipe 32, the cold water outlet pipe 33, The hot water side return pipe 42 and the hot water side outlet pipe 43 are connected with the external water bath system.

Preferably, the water bath system using the air-powered water temperature control unit, as shown in Figure 6, includes a hot water pool 7, a cold water pool 8 and the air-powered water temperature control unit, the water inlet of the hot water pool 7 is connected through a connecting pipe and air The output port of the hot water side outlet pipe 43 of the water temperature control unit is connected, and the water outlet of the hot water pool 7 is communicated with the input port of the hot water side return pipe 42 of the air energy water temperature control unit through a connecting pipe;

The water inlet of the cold water pool 8 is communicated with the output port of the cold water side outlet pipe 33 of the air energy water temperature control unit through a connecting pipe, and the water outlet of the cold water pool 8 is connected through the connection pipe and the cold water side return pipe 32 of the air energy water temperature control unit. The input port is connected.

As shown in Figure 6, both the hot water pool 7 and the cold water pool 8 are connected to the air energy water temperature control unit through pipelines: the cold water in the cold water pool 8 is pumped into the cold water side treatment module 3 from the water outlet of the cold water pool 8, Exchange heat with the refrigerant in the cold water side heat exchanger 31 to lower the temperature, and then flow back to the cold water pool 8 from the water inlet of the cold water pool 8 . Similarly, the hot water in the hot water pool 7 is pumped into the hot water side treatment module 4 from the water outlet of the hot water pool 7, exchanges heat with the refrigerant in the hot water side heat exchanger 41 to raise the temperature, and then flows from The water inlet of hot water pool 7 flows back to hot water pool 7. Using the water bath system of the air energy water temperature control unit, a single unit can realize three functions of separate heating, separate cooling and simultaneous heating and cooling, which can meet various needs of users, improve market competitiveness, and have high energy utilization rate. Greatly reduce input costs and operating costs.

Preferably, a water supply circuit 9 is also included. As shown in FIG. Two water supply switch 96;

The input port of the first water supply branch pipe 93 and the input port of the second water supply branch pipe 95 are connected to the output port of the water supply main pipe 91, and the output port of the first water supply branch pipe 93 is connected to the hot water side return pipe through a connecting pipe. 42 is communicated with the input port, and the output port of the second water supply branch pipe 95 is communicated with the input port of the cold water side return pipe 32 through a connecting pipe;

The water supply master switch 92 is set at the input port of the water supply main pipe 91, the first water supply switch 94 is set at the input port of the first water supply branch pipe 93, and the second water supply switch 96 is set at the second water supply switch 96. The input port of the water supply branch pipe 95.

The main water supply pipe 91 of the water supply circuit 9 is connected to the tap water pipe to deliver tap water to the water bath system of the air energy water temperature control unit. The first water supply branch pipe 93 and the second water supply branch pipe 95 are connected to the hot water side return pipe 42 and the cold water side return water pipe 32 respectively, the water supply main switch 92 controls the total amount of tap water delivered, and the first water supply switch 94 Control the tap water flow that is delivered to the hot water side return pipe 42, and the second water supply branch pipe 95 controls the tap water flow that is delivered to the cold water side return pipe 32: for example, when initially used, the water supply main switch 92, the first water supply switch 94 and the second water supply switch The water supply switch 96 is turned on, and tap water is delivered to the cold water side treatment module 3 and the hot water side treatment module 4 at the same time. 8 to deliver cold water; and during use, tap water can be delivered to the cold water side treatment module 3 or the hot water side treatment module 4 by controlling the on-off of the first water supply switch 94 and the second water supply switch 96 .

The air energy water temperature control unit of this embodiment has the following beneficial effects: 1. A single unit can realize three functions of separate heating, separate cooling and simultaneous heating and cooling, satisfying various needs of users, improving market competitiveness, and producing Both cost and operating cost are greatly reduced; 2. When the air energy water temperature control unit is heating and cooling at the same time, the heat of the cold water side processing module 3 is transferred to the hot water side processing module 4, and there is almost no heat transfer process Discharge heat to the external environment, and the energy utilization rate is high; 3. Setting the cold and hot water mixing pipeline 5 can ensure the normal operation of the air energy and water temperature control unit at low temperature, and improve the environmental adaptability of the air energy and water temperature control unit.

The technical principles of the present utility model have been described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the utility model, and can not be interpreted as the restriction to the protection scope of the utility model in any way. Based on the explanations herein, those skilled in the art can think of other specific implementation modes of the present utility model without creative work, and these modes will all fall within the protection scope of the present utility model.

Claims (9)

1. a kind of air energy Water temp controller group, including coolant loop, cold water side processing module and hot water side processing module, described Coolant loop be arranged between cold water side processing module and hot water side processing module it is characterised in that：

Described cold water side processing module includes cold water side heat exchanger；

Described hot water side processing module includes hot water side heat exchanger；

Described coolant loop includes compressor, four-way control valve, table cold heat exchanger, heats control valve, refrigeration control valve and expansion Valve；

The steam of described compressor arranges mouth and the air inlet of described four-way control valve connects, and the cold air of described compressor is answered back and institute State gas returning port connection, the first gateway of described table cold heat exchanger and first heat exchange of described four-way control valve of four-way control valve Mouthful connect, the second heat exchange mouth of the air inlet of described hot water side heat exchanger and described four-way control valve connects, the cold heat exchange of described table The gas outlet of the second gateway of device and hot water side heat exchanger is all connected with the entrance of described expansion valve, the described control valve that heats The air inlet of air inlet and refrigeration control valve is all connected with the outlet of described expansion valve, the described gas outlet heating control valve and table Second gateway of cold heat exchanger connects, and the air inlet of the gas outlet of described refrigeration control valve and cold water side heat exchanger connects, institute The cold air of the gas outlet and compressor of stating cold water side heat exchanger is answered back connection.

2. air energy Water temp controller group according to claim 1 it is characterised in that：

Described cold water side processing module also includes cold water side return pipe, cold water side outlet pipe, cold-water return pump and chilled water flow and opens Close；

The water inlet of the delivery outlet of described cold water side return pipe and cold water side heat exchanger connects, the input of described cold water side outlet pipe The outlet of mouth and cold water side heat exchanger connects, and described cold-water return pump is arranged at the input port of described cold water side return pipe, institute State the delivery outlet that chilled water flow switch is arranged at described cold water side outlet pipe；

Described hot water side processing module also includes hot water side return pipe, hot water side outlet pipe, hot water backwater's pump and hot water and opens Close；

The water inlet of the delivery outlet of described hot water side return pipe and hot water side heat exchanger connects, the input of described hot water side outlet pipe The outlet of mouth and hot water side heat exchanger connects, and described hot water backwater's pump is arranged at the input port of described hot water side return pipe, institute State the delivery outlet that hot water's switch is arranged at described hot water side outlet pipe.

3. air energy Water temp controller group according to claim 2 it is characterised in that：Also include hot and cold water mixed pipe line, Described hot and cold water mixed pipe line includes mixing valve and connects water pipe with cold and hot；

The described cold and hot first import and export of connection water pipe and the input port of cold water side return pipe connect, described cold and hot connection water pipe The delivery outlet of second import and export and hot water side return pipe connects.

4. air energy Water temp controller group according to claim 2 it is characterised in that：Described cold water side processing module is also wrapped Include cold-water return temperature sensor and Cold water-out temperature sensor, described cold-water return temperature sensor is arranged at cold water side and returns The input port of water pipe, described Cold water-out temperature sensor is arranged at the delivery outlet of cold water side outlet pipe；

Described hot water side processing module also includes hot water backwater's temperature sensor and hot water effluent's temperature sensor, and described hot water returns Water temperature sensor is arranged at the input port of hot water side return pipe, and institute's hot water effluent's temperature sensor is arranged at hot water side outlet pipe Delivery outlet.

5. air energy Water temp controller group according to claim 1 it is characterised in that：Described coolant loop also includes first Check valve, the second check valve, the 3rd check valve, fluid reservoir, aerofoil fan and filter；

The input port of described first check valve and the described delivery outlet heating control valve connect, the output of described first check valve Mouthful and the input port of the second check valve be all connected with the second gateway of described table cold heat exchanger, described 3rd check valve defeated The gas outlet of entrance and hot water side heat exchanger connects；

The delivery outlet of the delivery outlet of described second check valve and the 3rd check valve is all connected with the input port of described fluid reservoir, institute The input port of the delivery outlet and filter of stating fluid reservoir connects, and the entrance of the delivery outlet of described filter and described expansion valve is even Connect；

Described aerofoil fan is arranged at the inner side of table cold heat exchanger, the heat exchange gas channel of described aerofoil fan and table cold heat exchanger Connect.

6. the air energy Water temp controller group according to claim 1 to 5 any one it is characterised in that：Also include accommodating Casing, described coolant loop, cold water side processing module and hot water side processing module are arranged at the described inside accommodating casing, and Described aerofoil fan is fixed on the top surface of the inside accommodating casing；

Described receiving casing includes PLC control device, and described PLC control device is installed on the side accommodating casing, described four-way Control valve, compressor, heat control valve, refrigeration control valve, expansion valve, mixing valve, cold-water return pump, chilled water flow are opened Pass, aerofoil fan, hot water backwater's pump, hot water's switch, cold-water return temperature sensor, Cold water-out temperature sensor, heat Water return water temperature sensor and hot water effluent's temperature sensor are all electrically connected with described PLC control device.

7. air energy Water temp controller group according to claim 6 it is characterised in that：Described receiving casing also includes cold water Side backwater interface, cold water side water outlet mouthpiece, hot water side backwater interface and hot water side water outlet mouthpiece, described cold water side backwater interface, Cold water side water outlet mouthpiece, hot water side backwater interface and hot water side water outlet mouthpiece may be contained within the described opposite side accommodating casing；

The input port of described cold water side return pipe and cold water side backwater orifice, the delivery outlet of described cold water side outlet pipe and cold The water outlet mouthpiece connection of water side；

The input port of described hot water side return pipe and hot water side backwater orifice, the delivery outlet of described hot water side outlet pipe and heat The water outlet mouthpiece connection of water side.

8. usage right require 2 described in air energy Water temp controller group water-bath system it is characterised in that：Including hot-tub, Water cooling pond and described air energy Water temp controller group, the water inlet of described hot-tub passes through adapter and air energy Water temp controller group Hot water side outlet pipe delivery outlet connection, the outlet of described hot-tub passes through the heat of adapter and air energy Water temp controller group The input port connection of water side return pipe；

The water inlet of described water cooling pond passes through adapter and connects with the delivery outlet of the cold water side outlet pipe of air energy Water temp controller group, The outlet of described water cooling pond passes through adapter and connects with the input port of the cold water side return pipe of air energy Water temp controller group.

9. water-bath system according to claim 8 it is characterised in that：Also include water supply loop, described water supply loop includes Water main, water supply main switch, the first water supply arm, the first water supply switch-dividing, the second water supply arm and the second water supply switch-dividing；

The input port of the input port of described first water supply arm and the second water supply arm is all connected with the delivery outlet of water main, The delivery outlet of described first water supply arm is passed through adapter and is connected with the input port of described hot water side return pipe, and described second supplies water props up The delivery outlet of pipe is passed through adapter and is connected with the input port of described cold water side return pipe；

Described water supply main switch is arranged at the input port of described water main, and described first water supply switch-dividing is arranged at described first The input port of water supply arm, described second water supply switch-dividing is arranged at the input port of the second water supply arm.