CN219301041U - Cold volume recycling system of air source heat pump off-premises station - Google Patents
Cold volume recycling system of air source heat pump off-premises station Download PDFInfo
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- CN219301041U CN219301041U CN202320525487.XU CN202320525487U CN219301041U CN 219301041 U CN219301041 U CN 219301041U CN 202320525487 U CN202320525487 U CN 202320525487U CN 219301041 U CN219301041 U CN 219301041U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
Abstract
The utility model provides an air source heat pump outdoor unit cold recycling system which comprises a controller, a heat pump unit connected with the controller and a heat exchange water pipe set in heat exchange with the heat pump unit, wherein a water inlet end of the heat exchange water pipe set is connected with a water pump, a water outlet end of the heat exchange water pipe set is connected with tail end cooling equipment, the heat pump unit is provided with a cold recycling device, the heat pump unit comprises a compressor, a four-way valve, an inner machine heat exchange set, a throttle valve, an outer machine heat exchange set, an outer machine evaporation heat exchange set and a gas-liquid separator which are communicated through refrigerant pipes, the cold recycling device comprises a three-way valve and a three-way valve, the three-way valve is connected with the outer machine evaporation heat exchange set in parallel, and the controller controls the actions or stops of the three-way valve, the outer machine evaporation heat exchange set and the water pump according to the temperature required by the tail end cooling equipment. The external machine evaporation heat exchange group is utilized to prepare cold water in a heat dissipation mode, so that the cold source of the external machine evaporation group is fully recycled, and the energy waste is reduced.
Description
Technical Field
The utility model relates to the technical field of air source heat pump systems, in particular to a cold energy recycling system of an air source heat pump outdoor unit.
Background
The heat pump system is one kind of device to obtain low level heat energy from natural air, water or soil, to produce work with electric energy and to provide high level heat energy for people. The heat pump mainly relates to the fields of air energy heat pump water heater, air energy heat pump heating, air energy heat pump drying and the like.
The structure of the traditional air source heat pump system comprises a compressor, an indoor heat exchanger, an outdoor evaporator and a gas-liquid separator which are communicated through refrigerant pipes, wherein the indoor heat exchanger of the traditional air source heat pump system is used for generating a heat source, the outdoor evaporator is used for generating a cold source, in the application process, the heat source is often used indoors, and the cold source is often discharged into the outdoor surrounding environment, so that energy waste is caused.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a cold energy recycling system of an outdoor unit of an air source heat pump.
The utility model aims at realizing the following steps: the utility model provides an air source heat pump off-premises station cold energy recovery system of recycling, includes the controller, the heat pump unit who is connected with the controller and with the heat exchange water bank of heat pump unit heat exchange, the inlet end of heat exchange water bank is connected with the water pump, and the play water end of heat exchange water bank is connected with terminal equipment for cooling, wherein, the heat pump unit is equipped with cold energy recovery device, the heat pump unit includes compressor, four-way valve, interior machine heat exchange group, choke valve, outer machine heat exchange group, outer machine evaporation heat exchange group, the gas-liquid separator that communicate through the refrigerant pipe, cold energy recovery device includes three-way valve, tee bend, the three-way valve is through tee bend and outer machine evaporation heat exchange group parallel connection, the controller is through controlling the action or the stop of three-way valve, outer machine evaporation heat exchange group, water pump according to terminal equipment for cooling's required temperature.
According to the optimization, the first inlet of the three-way valve is connected with the output end of the throttle valve, the second inlet of the three-way valve is connected with the output end of the external machine evaporation heat exchange group, the output port of the three-way valve is connected with the refrigerant input end of the external machine heat exchange group, the refrigerant output end of the external machine heat exchange group is connected with the three-way input end, and the three-way output end is respectively connected with the input end of the external machine evaporation heat exchange group and the input end of the four-way valve.
According to the optimization, the inner machine heat exchange group is set to be a sleeve type heat exchanger with an inner fan, the outer machine heat exchange group is set to be a plate type heat exchanger for heat exchange with a heat exchange water pipe group, and the outer machine evaporation heat exchange group is set to be a fin type heat exchanger with an outer fan.
According to the optimization, the input end and the output end of the double-pipe heat exchanger are respectively provided with a stop valve.
According to the optimization, a water temperature sensor is arranged in the tail end cooling equipment, and the controller is connected with the water temperature sensor.
According to the optimization, the tail end cooling equipment comprises a water cooler with a water tank, the water cooler is connected with the controller, and a water temperature sensor is arranged in the water tank.
The utility model has the advantages that: through the cold energy recycling device of this structure, it is through tee bend and heat pump set's outer quick-witted evaporation heat exchange group parallel connection at the three-way valve, when the chilled water temperature of cold water machine case is less than the target temperature of heat pump, the three-way valve circular telegram of controller control, the water pump operation adopts interior quick-witted heat exchanger to prepare cold water mode, when the chilled water temperature of cold water machine case is higher than the target temperature of heat pump, the three-way valve is lost power to controller control, the water pump stops, utilize outer quick-witted evaporation heat exchange group to dispel the heat mode to prepare cold water, the cold source of the outer quick-witted evaporation group of fully recycling, the energy waste is reduced.
Drawings
Fig. 1 is a schematic diagram of the operation of a preferred embodiment of the present utility model.
FIG. 2 is a control diagram of a preferred embodiment of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
According to the utility model, as shown in figures 1 to 2, the cold recycling system of the outdoor unit of the air source heat pump comprises a controller 1, a heat pump unit connected with the controller 1 and a heat exchange water pipe set 2 for heat exchange with the heat pump unit, wherein the water inlet end of the heat exchange water pipe set 2 is connected with a water pump 3, and the water outlet end of the heat exchange water pipe set 2 is connected with tail end cooling equipment. The heat pump unit is provided with a cold energy recycling device and comprises a compressor 4, a four-way valve 5, an inner machine heat exchange group 6, a throttle valve 7, an outer machine heat exchange group 8, an outer machine evaporation heat exchange group 9 and a gas-liquid separator 10 which are communicated through refrigerant pipes. The cold energy recycling device comprises a three-way valve 11 and a three-way valve 12, wherein the three-way valve 11 is connected with the external machine evaporation heat exchange group 9 in parallel through the three-way valve 12, and the controller 1 controls the three-way valve 11, the external machine evaporation heat exchange group 9 and the water pump 3 to act or stop according to the temperature required by the tail end cooling equipment.
In the optimization scheme, a first inlet of the three-way valve 11 is connected with an output end of the throttle valve 7, a second inlet of the three-way valve 11 is connected with an output end of the external machine evaporation heat exchange group 9, an output port of the three-way valve 11 is connected with a refrigerant input end of the external machine heat exchange group 8, a refrigerant output end of the external machine heat exchange group 8 is connected with an input end of the three-way valve 12, and an output end of the three-way valve 12 is respectively connected with an input end of the external machine evaporation heat exchange group 9 and an input end of the four-way valve 5.
The inner machine heat exchange group 6 is a double-pipe heat exchanger with an inner fan, the outer machine heat exchange group 8 is a plate heat exchanger for heat exchange with the heat exchange water pipe group 2, and the outer machine evaporation heat exchange group 9 is a fin type heat exchanger with an outer fan. The input end and the output end of the double pipe heat exchanger are respectively provided with a stop valve 13.
The end cooling device is provided with a water temperature sensor 15, and the controller 1 is connected to the water temperature sensor 15. Meanwhile, the tail end cooling equipment comprises a water cooler 14 with a water tank, the water cooler 14 is connected with the controller 1, and a water temperature sensor 15 is arranged in the water tank. The target water temperature of the heat pump unit of the structure is set as the required water temperature of the cold equipment for the tail end, and the target water temperature of the water tank of the water chiller 14 is set as the required water temperature of the cold equipment for the tail end.
The working principle of the air source heat pump outdoor unit cold energy recycling system is as follows:
when the heat pump unit is operated, the water temperature sensor 15 detects that the chilled water temperature of the water tank of the water chiller 14 is lower than the target water temperature of the water tank, for example, the target water temperature of the water tank of the water chiller 14 is set to 2 ℃ (the water temperature setting is 5 ℃ -1 ℃ or other temperatures), namely, when the chilled water temperature is lower than the target water temperature of the water tank of the water chiller 14 by 2 ℃, the controller 1 controls the water chiller 14 to stop operating, the three-way valve 11 is electrified, the water pump 3 operates, the outer fan of the fin type heat exchanger of the outer machine stops, and the refrigerant circulates through the compressor 4, the four-way valve 5, the double pipe type heat exchanger, the throttle valve 7, the three-way valve 11, the plate type heat exchanger, the four-way valve 5 and the gas-liquid separator 10, so that a cold water mode is produced by using the heat source of the pipe type heat exchanger.
When the temperature of the chilled water is higher than the target water temperature of the water tank of the water chiller 14 by 2 ℃, the controller 1 controls the three-way valve 11 to lose electricity, the water pump 3 stops running, the outer fan of the outer fin type heat exchanger is started, at the moment, the refrigerant passing through the three way valve 12 flows to the outer fin type heat exchanger due to the pressure in the pipe, flows back to the plate type heat exchanger by the three way valve 11 and exchanges heat with the heat exchange water pipe group 2. Therefore, cold water is prepared by utilizing the external machine evaporation heat exchange group 9 in a heat dissipation mode, so that a cold source of the external machine evaporation group is fully recycled, and energy waste is reduced.
The above embodiments are only specific embodiments with good effects of the present utility model, and all structures identical or equivalent to the cold recycling system of the outdoor unit of the air source heat pump of the present utility model are within the scope of the present utility model.
Claims (6)
1. The utility model provides an air source heat pump off-premises station cold energy recycling system, includes controller (1), heat pump set and heat exchange water pipe group (2) with heat pump set heat exchange that are connected with controller (1), and the water inlet end of heat exchange water pipe group (2) is connected with water pump (3), and the play water end of heat exchange water pipe group (2) is connected with terminal cold equipment for use, its characterized in that: the heat pump unit is provided with a cold energy recycling device, the heat pump unit comprises a compressor (4), a four-way valve (5), an inner machine heat exchange unit (6), a throttle valve (7), an outer machine heat exchange unit (8), an outer machine evaporation heat exchange unit (9) and a gas-liquid separator (10) which are communicated through refrigerant pipes, the cold energy recycling device comprises a three-way valve (11) and a three-way valve (12), the three-way valve (11) is connected with the outer machine evaporation heat exchange unit (9) in parallel through the three-way valve (12), and the controller (1) controls the three-way valve (11), the outer machine evaporation heat exchange unit (9) and the action or stop of the water pump (3) according to the temperature required by the cold equipment for the tail end.
2. The air source heat pump outdoor unit cold energy recycling system according to claim 1, wherein: the first inlet of three-way valve (11) is connected with the output of choke valve (7), and the second inlet of three-way valve (11) is connected with the output of outer quick-witted evaporation heat transfer group (9), and the delivery outlet of three-way valve (11) is connected with the refrigerant input of outer quick-witted heat transfer group (8), the refrigerant output of outer quick-witted heat transfer group (8) is connected with the input of tee bend (12), the output of tee bend (12) is connected with the input of outer quick-witted evaporation heat transfer group (9), the input of cross valve (5) respectively.
3. The air source heat pump outdoor unit cold energy recycling system according to claim 1 or 2, characterized in that: the inner machine heat exchange group (6) is a sleeve type heat exchanger with an inner fan, the outer machine heat exchange group (8) is a plate type heat exchanger for heat exchange with the heat exchange water pipe group (2), and the outer machine evaporation heat exchange group (9) is a fin type heat exchanger with an outer fan.
4. The air source heat pump outdoor unit cold energy recycling system according to claim 3, wherein: and the input end and the output end of the double pipe heat exchanger are respectively provided with a stop valve (13).
5. The air source heat pump outdoor unit cold energy recycling system according to claim 1, wherein: a water temperature sensor (15) is arranged in the tail end cooling equipment, and the controller (1) is connected with the water temperature sensor (15).
6. The air source heat pump outdoor unit cold energy recycling system according to claim 1 or 5, wherein: the tail end cooling equipment comprises a water cooler (14) with a water tank, the water cooler (14) is connected with the controller (1), and a water temperature sensor (15) is arranged in the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320525487.XU CN219301041U (en) | 2023-03-16 | 2023-03-16 | Cold volume recycling system of air source heat pump off-premises station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320525487.XU CN219301041U (en) | 2023-03-16 | 2023-03-16 | Cold volume recycling system of air source heat pump off-premises station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219301041U true CN219301041U (en) | 2023-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320525487.XU Active CN219301041U (en) | 2023-03-16 | 2023-03-16 | Cold volume recycling system of air source heat pump off-premises station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219301041U (en) |
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2023
- 2023-03-16 CN CN202320525487.XU patent/CN219301041U/en active Active
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