CN206300381U - Heating air source heat pump system with cold loop is crossed - Google Patents

Heating air source heat pump system with cold loop is crossed Download PDF

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Publication number
CN206300381U
CN206300381U CN201621284021.1U CN201621284021U CN206300381U CN 206300381 U CN206300381 U CN 206300381U CN 201621284021 U CN201621284021 U CN 201621284021U CN 206300381 U CN206300381 U CN 206300381U
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China
Prior art keywords
valve
heat exchanger
super
check valve
air source
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CN201621284021.1U
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Chinese (zh)
Inventor
王洋
顾卫平
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Wuxi Tongfang Artificial Environment Co Ltd
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Wuxi Tongfang Artificial Environment Co Ltd
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Abstract

The utility model is related to a kind of heating air source heat pump system with cold loop is crossed, including compressor, four-way reversing valve, indoor heat exchanger, outdoor heat exchanger, choke valve, by-passing valve, gas-liquid separator, check valve assembly, filter, super-cooling pipeline;The super-cooling pipeline is disposed in the outdoor exchanger base, and super-cooling pipeline is arranged between choke valve and check valve assembly;Choke valve is in parallel with by-passing valve.The utility model is by being arranged on the super-cooling pipeline of exchanger base, it is ensured that during air source heat pump defrosting, outdoor heat exchanger bottom temp is consistently higher than zero degree, will not be piled up because of exchanger base ice sheet caused by frosting, blocks drainage system;Degree of supercooling during cooling condition can also be improved, refrigerating capacity is effectively increased.

Description

Heating air source heat pump system with cold loop is crossed
Technical field
The utility model is related to a kind of heating air source heat pump system with cold loop is crossed, especially a kind of to be applied to low temperature Humid Area high(Such as south)Heating air source heat pump system, belongs to heat pump energy-conserving technical field.
Background technology
With the improvement of people ' s living standards, and heating system individual demand, individual heating is with its comfortable, ring Protect, it is easily controllable the advantages of received by increasing developer and user.Burnt gas wall hanging furnace as individual heating thermal source It is used widely.Individual heating may be selected floor heating, radiator, three kinds of modes of central air-conditioning as heat transfer according to user preferences Medium.With floor heating penetration and promotion in recent years, burnt gas wall hanging furnace floor heating mode has turned into individual heating main flow, but There is operating cost high, winter supply breach the problems such as.And air source heat pump has cleaning heating, subtracts the effect such as anti-haze of haze, receive To people's favor.
But, in the Huanghe valley and areas to the south of China's low temperature and high relative humidity, frosting when air source heat pump runs in the winter time Seriously, defrosting water excretion is not smooth, causes unit abnormal running, has a strong impact on heating effect.
The content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of heating with cold loop is crossed is empty Air supply heat pump system, it is adaptable to low temperature and high relative humidity area heating, it is ensured that air source heat pump defrosting water under low temperature and high relative humidity environment Excretion is unobstructed.
According to the utility model provide technical scheme, it is described band mistake cold loop heating air source heat pump system, including Compressor, indoor heat exchanger outdoor heat exchanger and gas-liquid separator, it is characterized in that:Supercooling tube is installed on the outdoor heat exchanger Road;The port of export of the compressor connects the first interface of four-way reversing valve, and the second interface connection outdoor of four-way reversing valve is changed One end of the heat exchange coil of hot device, the 3rd interface of four-way reversing valve connects the entrance point of gas-liquid separator, gas-liquid separator The port of export connects the entrance point of compressor, one end of the heat exchange coil of the 4th interface connection indoor heat exchanger of four-way reversing valve; The other end of the heat exchange coil of the indoor heat exchanger connects the outlet of the entrance point and the second check valve of the first check valve respectively End;The other end of the heat exchange coil of the outdoor heat exchanger connects the 3rd port of export of check valve and entering for the 4th check valve respectively Mouth end;One end of the super-cooling pipeline connects the port of export of the first check valve and the port of export of the 4th check valve, supercooling tube respectively The other end on road connects one end of the second filter, and the other end of the second filter connects one end of choke valve, choke valve it is another One end connects one end of the first filter, and the other end of the first filter connects the entrance point and the 3rd list of the second check valve respectively To the entrance point of valve.
Further, the bottom of super-cooling pipeline heat exchanger installed outdoors.
Further, in the two ends parallel connection by-passing valve of the choke valve.
Further, the choke valve uses capillary, heating power expansion valve or electric expansion valve.
Heating air source heat pump system with cold loop excessively described in the utility model is by being arranged on exchanger base Cross cold loop, it is ensured that during air source heat pump defrosting, outdoor heat exchanger bottom temp is consistently higher than zero degree, will not cause because of frosting Exchanger base ice sheet pile up, block drainage system.Degree of supercooling during cooling condition can also be improved, refrigeration is effectively increased Amount.
Brief description of the drawings
Fig. 1 is the structural representation of the heating air source heat pump system with cold loop is crossed described in the utility model.
Specific embodiment
With reference to specific accompanying drawing, the utility model is described in further detail.
As shown in Figure 1:The heating air source heat pump system with cold loop is crossed includes compressor 100, four-way reversing valve 101st, indoor heat exchanger 102, outdoor heat exchanger 103, choke valve 104, by-passing valve 105, gas-liquid separator 106, the first check valve 107-1, the second check valve 107-2, the 3rd check valve 107-3, the 4th check valve 107-4, the first filter 108-1, the second mistake Filter 108-2, super-cooling pipeline 109 etc..
As shown in figure 1, the heating air source heat pump system with cold loop is crossed described in the utility model, including compressor 100, Indoor heat exchanger 102, outdoor heat exchanger 103 and gas-liquid separator 106, the port of export connection four-way reversing valve 101 of compressor 100 First interface, four-way reversing valve 101 second interface connection outdoor heat exchanger 103 heat exchange coil one end, four-way commutation 3rd interface of valve 101 connects the entrance point of gas-liquid separator 106, the port of export connection compressor 100 of gas-liquid separator 106 Entrance point, one end of the heat exchange coil of the 4th interface connection indoor heat exchanger 102 of four-way reversing valve 101;The indoor heat exchange The other end of the heat exchange coil of device 102 connects the outlet of the entrance point and the second check valve 107-2 of the first check valve 107-1 respectively End;The other end of the heat exchange coil of the outdoor heat exchanger 103 connects the port of export and the 4th list of the 3rd check valve 107-3 respectively To the entrance point of valve 107-4;Super-cooling pipeline 109, one end of super-cooling pipeline 109 are installed in the bottom of the outdoor heat exchanger 103 The port of export of the first check valve 107-1 and the port of export of the 4th check valve 107-4, the other end of super-cooling pipeline 109 are connected respectively One end of the second filter 108-2 is connected, the other end of the second filter 108-2 connects one end of choke valve 104, choke valve 104 other end connects one end of the first filter 108-1, and it is unidirectional that the other end of the first filter 108-1 connects second respectively The entrance point of the entrance point of valve 107-2 and the 3rd check valve 107-3.
In the two ends parallel connection by-passing valve 105 of the choke valve 104.The choke valve 104 can be capillary, thermal expansion Any one of valve or electric expansion valve.
The course of work of the present utility model:
In a heating mode, the refrigerant of HTHP from compressor 100 through four-way reversing valve 101, heat exchanger indoors After being cooled in 102, super-cooling pipeline 109 is entered by the first check valve 107-1, dropped again in the bottom of outdoor heat exchanger 103 Enter choke valve 104 through the second filter 108-2 after temperature, then enter to enter the room through the first filter 108-1 and the 3rd check valve 107-3 External heat exchanger 103, the refrigerant of low-temp low-pressure after outdoor heat exchanger evaporation endothermic, by four-way reversing valve, through gas-liquid separation Device 106, into the air entry of compressor 100, completion heats circulation.
In cooling mode, the refrigerant of HTHP from compressor 100 through four-way reversing valve 101, in outdoor heat exchanger After being cooled in 103, super-cooling pipeline 109 is entered by the 4th check valve 107-4, dropped again in the bottom of outdoor heat exchanger 103 Enter choke valve 104 through the second filter 108-2 after temperature, then enter to enter the room by the first filter 108-1 and the second check valve 107-2 Interior heat exchanger 102, the refrigerant of low-temp low-pressure is indoors after heat exchanger evaporation endothermic, by four-way reversing valve, through gas-liquid separation Device 106, into the air entry of compressor 100, completion heats circulation.
The utility model by be arranged on exchanger base cross cold loop, it is ensured that during air source heat pump defrosting, outdoor is changed Hot device bottom temp is consistently higher than zero degree, will not be piled up because of exchanger base ice sheet caused by frosting, blocks drainage system. Degree of supercooling during cooling condition can be improved, refrigerating capacity is effectively increased.

Claims (4)

1. a kind of heating air source heat pump system with cold loop is crossed, including compressor(100), indoor heat exchanger(102), it is outdoor Heat exchanger(103)And gas-liquid separator(106), it is characterized in that:In the outdoor heat exchanger(103)Upper installation super-cooling pipeline (109);The compressor(100)The port of export connection four-way reversing valve(101)First interface, four-way reversing valve(101)'s Second interface connects outdoor heat exchanger(103)Heat exchange coil one end, four-way reversing valve(101)The 3rd interface connection gas-liquid Separator(106)Entrance point, gas-liquid separator(106)The port of export connection compressor(100)Entrance point, four-way reversing valve (101)The 4th interface connection indoor heat exchanger(102)Heat exchange coil one end;The indoor heat exchanger(102)Heat exchange The other end of coil pipe connects the first check valve respectively(107-1)Entrance point and the second check valve(107-2)The port of export;It is described Outdoor heat exchanger(103)The other end of heat exchange coil connect the 3rd check valve respectively(107-3)The port of export and the 4th unidirectional Valve(107-4)Entrance point;The super-cooling pipeline(109)One end connect the first check valve respectively(107-1)The port of export and 4th check valve(107-4)The port of export, super-cooling pipeline(109)The other end connect the second filter(108-2)One end, Tow filtrator(108-2)The other end connection choke valve(104)One end, choke valve(104)The other end connection first filter Device(108-1)One end, the first filter(108-1)The other end connect the second check valve respectively(107-2)Entrance point and 3rd check valve(107-3)Entrance point.
2. as claimed in claim 1 with the heating air source heat pump system of cold loop excessively, it is characterized in that:The super-cooling pipeline (109)Heat exchanger installed outdoors(103)Bottom.
3. as claimed in claim 1 with the heating air source heat pump system of cold loop excessively, it is characterized in that:In the choke valve (104)Two ends parallel connection by-passing valve(105).
4. as claimed in claim 1 with the heating air source heat pump system of cold loop excessively, it is characterized in that:The choke valve (104)Using capillary, heating power expansion valve or electric expansion valve.
CN201621284021.1U 2016-11-28 2016-11-28 Heating air source heat pump system with cold loop is crossed Active CN206300381U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621284021.1U CN206300381U (en) 2016-11-28 2016-11-28 Heating air source heat pump system with cold loop is crossed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621284021.1U CN206300381U (en) 2016-11-28 2016-11-28 Heating air source heat pump system with cold loop is crossed

Publications (1)

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CN206300381U true CN206300381U (en) 2017-07-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109506399A (en) * 2018-10-31 2019-03-22 珠海格力电器股份有限公司 A kind of be subcooled utilizes structure and air-conditioning system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109506399A (en) * 2018-10-31 2019-03-22 珠海格力电器股份有限公司 A kind of be subcooled utilizes structure and air-conditioning system

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