CN106440519A - Heating air source heat pump system with supercooling circuit - Google Patents
Heating air source heat pump system with supercooling circuit Download PDFInfo
- Publication number
- CN106440519A CN106440519A CN201611063309.0A CN201611063309A CN106440519A CN 106440519 A CN106440519 A CN 106440519A CN 201611063309 A CN201611063309 A CN 201611063309A CN 106440519 A CN106440519 A CN 106440519A
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- China
- Prior art keywords
- valve
- heat exchanger
- air source
- connect
- check valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02742—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using two four-way valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
- F25B2347/022—Cool gas defrosting
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention relates to a heating air source heat pump system with a supercooling circuit. The system comprises a compressor, a four-way reversing valve, an indoor heat exchanger, an outdoor heat exchanger, a throttle valve, a bypass valve, a vapor-liquid separator, a one-way valve assembly, a filter, and a supercooling pipeline, wherein the supercooling pipeline is arranged at the bottom of the outdoor heat exchanger; and the supercooling pipeline is arranged between the throttle valve and the one-way valve components and the throttle valve is connected with the by-pass valve in parallel. According to the heating air source heat pump system with a supercooling circuit, the supercooling pipeline is arranged at the bottom of the heat exchangers so that when an air source heat pump is defrosted, the temperature of the bottom of the outdoor heat exchanger can be ensured to be above zero degree from beginning to end, the accumulation of the ice layers at the bottom of the heat exchangers does not happen because of frosting and the water draining system is not be blocked; the degree of supercooling in the refrigeration working condition can be improved and refrigerating capacities can be increased efficiently.
Description
Technical field
The present invention relates to a kind of with cold loop heating air source heat pump system, especially one kind is applied to low temperature and high relative humidity
Area（As south）Heating air source heat pump system, belongs to heat pump energy-conserving technical field.
Background technology
With the raising of people's living standard, and the individual demand of heating system, individual heating is with its comfortable, ring
Protect, easily controllable the advantages of accepted by increasing developer and user.Burnt gas wall hanging furnace is as the thermal source of individual heating
It is used widely.Individual heating may be selected floor heating, radiator, three kinds of modes of central air-conditioning as conduction of heat according to user preferences
Medium.With floor heating penetration and promotion in recent years, burnt gas wall hanging furnace floor heating mode has become individual heating main flow, but
There is the problems such as operating cost height, winter supply breach.And air source heat pump has cleaning heating, subtracts the effect such as anti-haze of haze, it is subject to
To people's favor.
But, in the Huanghe valley and the 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, leads to unit abnormal running, has a strong impact on heating effect.
Content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, provide a kind of with cold loop heating air source
Heat pump is it is adaptable to low temperature and high relative humidity area heating is it is ensured that air source heat pump defrosting water under low temperature and high relative humidity environment is drained
Unobstructed.
According to the present invention provide technical scheme, described with cold loop heating air source heat pump system, include compress
Machine, indoor heat exchanger outdoor heat exchanger and gas-liquid separator, is characterized in that：Super-cooling pipeline is installed on described outdoor heat exchanger；
The port of export of described compressor connects the first interface of four-way change-over valve, and the second interface of four-way change-over valve connects outdoor heat exchanger
Heat exchange coil one end, four-way change-over valve the 3rd interface connect gas-liquid separator entrance point, the outlet of gas-liquid separator
End connects the entrance point of compressor, and the 4th interface of four-way change-over valve connects one end of the heat exchange coil of indoor heat exchanger；Described
The other end of the heat exchange coil of indoor heat exchanger connects the entrance point of the first check valve and the port of export of the second check valve respectively；Institute
The other end stating the heat exchange coil of outdoor heat exchanger connects the port of export of the 3rd check valve and the entrance point of the 4th check valve respectively；
One end of described super-cooling pipeline connects the port of export of the first check valve and the port of export of the 4th check valve respectively, super-cooling pipeline another
One end connects one end of the second filter, and the other end of the second filter connects one end of choke valve, and the other end of choke valve is even
Connect one end of the first filter, the other end of the first filter connects the entrance point of the second check valve and the 3rd check valve respectively
Entrance point.
Further, the bottom of described super-cooling pipeline heat exchanger installed outdoors.
Further, in the two ends of described choke valve parallel connection bypass valve.
Further, described choke valve adopts capillary tube, heating power expansion valve or electric expansion valve.
Of the present invention with cold loop heating air source heat pump system by being arranged on the supercool of exchanger base
Loop is it is ensured that during air source heat pump defrosting, outdoor heat exchanger bottom temp is consistently higher than zero degree, will not be because of changing that frosting leads to
Hot device bottom ice sheet is piled up, and blocks drainage system.Degree of supercooling during cooling condition can also be improved, be effectively increased refrigerating capacity.
Brief description
Fig. 1 be of the present invention with cold loop heating air source heat pump system structural representation.
Specific embodiment
With reference to concrete accompanying drawing, the invention will be further described.
As shown in Figure 1：Described with the heating air source heat pump system of cold loop include compressor 100, four-way change-over valve
101st, indoor heat exchanger 102, outdoor heat exchanger 103, choke valve 104, bypass 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, of the present invention with cold loop heating air source heat pump system, including compressor 100, indoor
Heat exchanger 102, outdoor heat exchanger 103 and gas-liquid separator 106, the port of export of compressor 100 connects the of four-way change-over valve 101
One interface, the second interface of four-way change-over valve 101 connects one end of the heat exchange coil of outdoor heat exchanger 103, four-way change-over valve 101
The 3rd interface connect the entrance point of gas-liquid separator 106, the port of export of gas-liquid separator 106 connects the import of compressor 100
End, the 4th interface of four-way change-over valve 101 connects one end of the heat exchange coil of indoor heat exchanger 102；Described indoor heat exchanger 102
The other end of heat exchange coil connect the entrance point of the first check valve 107-1 and the port of export of the second check valve 107-2 respectively；Institute
The other end stating the heat exchange coil of outdoor heat exchanger 103 connects the port of export and the 4th check valve of the 3rd check valve 107-3 respectively
The entrance point of 107-4；In the bottom of described outdoor heat exchanger 103, super-cooling pipeline 109 is installed, one end of super-cooling pipeline 109 is respectively
Connect 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 connects
One end of second filter 108-2, the other end of the second filter 108-2 connects one end of choke valve 104, choke valve 104
The other end connects one end of the first filter 108-1, and the other end of the first filter 108-1 connects the second check valve 107- respectively
2 entrance point and the entrance point of the 3rd check valve 107-3.
In the two ends of described choke valve 104 parallel connection bypass valve 105.Described choke valve 104 can be capillary tube, thermal expansion
Any one of valve or electric expansion valve.
The work process of the present invention：
In a heating mode, the cold-producing medium of High Temperature High Pressure from compressor 100 through four-way change-over valve 101, indoors in heat exchanger 102
After cooling, super-cooling pipeline 109, warp after outdoor heat exchanger 103 bottom lowers the temperature again are entered by the first check valve 107-1
Second filter 108-2 enters choke valve 104, then enters outdoor heat exchange through the first filter 108-1 and the 3rd check valve 107-3
Device 103, the cold-producing medium of low-temp low-pressure after outdoor heat exchanger evaporation endothermic, by four-way change-over valve, through gas-liquid separator 106,
Enter compressor 100 air entry, complete to heat circulation.
In cooling mode, the cold-producing medium of High Temperature High Pressure from compressor 100 through four-way change-over valve 101, in outdoor heat exchanger
After cooling in 103, super-cooling pipeline 109 is entered by the 4th check valve 107-4, drops again in outdoor heat exchanger 103 bottom
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 second check valve 107-2
Interior heat exchanger 102, the cold-producing medium of low-temp low-pressure is indoors after heat exchanger evaporation endothermic, by four-way change-over valve, through gas-liquid separation
Device 106, enters compressor 100 air entry, completes to heat circulation.
The present invention crosses cold loop it is ensured that during air source heat pump defrosting by be arranged on exchanger base, outdoor heat exchanger
Bottom temp is consistently higher than zero degree, and the exchanger base ice sheet that will not lead to because of frosting is piled up, and blocks drainage system.Can also
Improve degree of supercooling during cooling condition, be effectively increased refrigerating capacity.
Claims (4)
1. a kind of with cold loop heating air source heat pump system, including compressor（100）, indoor heat exchanger（102）, outdoor
Heat exchanger（103）And gas-liquid separator（106）, it is characterized in that：In described outdoor heat exchanger（103）Upper installation super-cooling pipeline
（109）；Described compressor（100）The port of export connect four-way change-over valve（101）First interface, four-way change-over valve（101）'s
Second interface connects outdoor heat exchanger（103）Heat exchange coil one end, four-way change-over valve（101）The 3rd interface connect gas-liquid
Separator（106）Entrance point, gas-liquid separator（106）The port of export connect compressor（100）Entrance point, four-way change-over valve
（101）The 4th interface connect indoor heat exchanger（102）Heat exchange coil one end；Described 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；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；Described 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 connect choke valve（104）One end, choke valve（104）The other end connect first filtration
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 cold loop heating air source heat pump system, it is characterized in that：Described super-cooling pipeline
（109）Heat exchanger installed outdoors（103）Bottom.
3. as claimed in claim 1 with cold loop heating air source heat pump system, it is characterized in that：In described choke valve
（104）Two ends parallel connection bypass valve（105）.
4. as claimed in claim 1 with cold loop heating air source heat pump system, it is characterized in that：Described choke valve
（104）Using capillary tube, heating power expansion valve or electric expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063309.0A CN106440519A (en) | 2016-11-28 | 2016-11-28 | Heating air source heat pump system with supercooling circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063309.0A CN106440519A (en) | 2016-11-28 | 2016-11-28 | Heating air source heat pump system with supercooling circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106440519A true CN106440519A (en) | 2017-02-22 |
Family
ID=58218852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611063309.0A Pending CN106440519A (en) | 2016-11-28 | 2016-11-28 | Heating air source heat pump system with supercooling circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106440519A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101275A (en) * | 2017-06-01 | 2017-08-29 | 青岛海尔空调器有限总公司 | A kind of air conditioner and its control method |
| CN108224841A (en) * | 2018-02-10 | 2018-06-29 | 湖南埃瓦新能源科技有限公司 | A kind of heat pump system with drip tray ice-melt pipeline |
| CN108224848A (en) * | 2018-02-28 | 2018-06-29 | 徐生恒 | Dual-purpose air can be with the heat pump air conditioning system of ground energy |
| CN109595849A (en) * | 2018-12-24 | 2019-04-09 | 珠海格力电器股份有限公司 | The Defrost method of heat-exchange system, air-conditioning system and air-conditioning system |
| CN112229116A (en) * | 2020-10-15 | 2021-01-15 | 珠海格力电器股份有限公司 | Air source heat pump unit defrosting control method and device and air conditioning system |
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|---|---|---|---|---|
| JPH02161269A (en) * | 1988-12-13 | 1990-06-21 | Yanmar Diesel Engine Co Ltd | Defrosting device |
| CN101398234A (en) * | 2007-09-28 | 2009-04-01 | 德州亚太集团有限公司 | Low-temperature air-cooling heat pump unit |
| CN101806519A (en) * | 2010-04-19 | 2010-08-18 | 广东吉荣空调有限公司 | Wide-temperature high-efficiency air source heat pump unit with anti-frosting function and operating method thereof |
| CN202382494U (en) * | 2011-12-15 | 2012-08-15 | Tcl空调器(中山)有限公司 | Air conditioner capable of easing icing of chassis |
| CN103307804A (en) * | 2013-06-14 | 2013-09-18 | 上海海立睿能环境技术有限公司 | Defrosting system for heat pump |
| CN204373255U (en) * | 2014-12-27 | 2015-06-03 | 山东雅士股份有限公司 | A kind of air cooled heat pump |
| CN105157270A (en) * | 2015-09-24 | 2015-12-16 | 无锡同方人工环境有限公司 | Low-environment-temperature air source heat pump system with undercooling loop |
| CN105352225A (en) * | 2014-08-21 | 2016-02-24 | 广东美的制冷设备有限公司 | Air conditioner |
| CN206300381U (en) * | 2016-11-28 | 2017-07-04 | 无锡同方人工环境有限公司 | Heating air source heat pump system with cold loop is crossed |
-
2016
- 2016-11-28 CN CN201611063309.0A patent/CN106440519A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02161269A (en) * | 1988-12-13 | 1990-06-21 | Yanmar Diesel Engine Co Ltd | Defrosting device |
| CN101398234A (en) * | 2007-09-28 | 2009-04-01 | 德州亚太集团有限公司 | Low-temperature air-cooling heat pump unit |
| CN101806519A (en) * | 2010-04-19 | 2010-08-18 | 广东吉荣空调有限公司 | Wide-temperature high-efficiency air source heat pump unit with anti-frosting function and operating method thereof |
| CN202382494U (en) * | 2011-12-15 | 2012-08-15 | Tcl空调器(中山)有限公司 | Air conditioner capable of easing icing of chassis |
| CN103307804A (en) * | 2013-06-14 | 2013-09-18 | 上海海立睿能环境技术有限公司 | Defrosting system for heat pump |
| CN105352225A (en) * | 2014-08-21 | 2016-02-24 | 广东美的制冷设备有限公司 | Air conditioner |
| CN204373255U (en) * | 2014-12-27 | 2015-06-03 | 山东雅士股份有限公司 | A kind of air cooled heat pump |
| CN105157270A (en) * | 2015-09-24 | 2015-12-16 | 无锡同方人工环境有限公司 | Low-environment-temperature air source heat pump system with undercooling loop |
| CN206300381U (en) * | 2016-11-28 | 2017-07-04 | 无锡同方人工环境有限公司 | Heating air source heat pump system with cold loop is crossed |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101275A (en) * | 2017-06-01 | 2017-08-29 | 青岛海尔空调器有限总公司 | A kind of air conditioner and its control method |
| CN108224841A (en) * | 2018-02-10 | 2018-06-29 | 湖南埃瓦新能源科技有限公司 | A kind of heat pump system with drip tray ice-melt pipeline |
| CN108224848A (en) * | 2018-02-28 | 2018-06-29 | 徐生恒 | Dual-purpose air can be with the heat pump air conditioning system of ground energy |
| CN109595849A (en) * | 2018-12-24 | 2019-04-09 | 珠海格力电器股份有限公司 | The Defrost method of heat-exchange system, air-conditioning system and air-conditioning system |
| CN112229116A (en) * | 2020-10-15 | 2021-01-15 | 珠海格力电器股份有限公司 | Air source heat pump unit defrosting control method and device and air conditioning system |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
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| RJ01 | Rejection of invention patent application after publication |