WO2019214425A1 - Unité de pompe à chaleur - Google Patents

Unité de pompe à chaleur Download PDF

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Publication number
WO2019214425A1
WO2019214425A1 PCT/CN2019/083795 CN2019083795W WO2019214425A1 WO 2019214425 A1 WO2019214425 A1 WO 2019214425A1 CN 2019083795 W CN2019083795 W CN 2019083795W WO 2019214425 A1 WO2019214425 A1 WO 2019214425A1
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WO
WIPO (PCT)
Prior art keywords
liquid
gas
pump unit
heat pump
heat exchange
Prior art date
Application number
PCT/CN2019/083795
Other languages
English (en)
Chinese (zh)
Inventor
赵雷
孙辉
冷宇
Original Assignee
青岛海尔中央空调有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 青岛海尔中央空调有限公司 filed Critical 青岛海尔中央空调有限公司
Priority to EP19799532.7A priority Critical patent/EP3792569A4/fr
Publication of WO2019214425A1 publication Critical patent/WO2019214425A1/fr

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Classifications

    • 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
    • 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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/006—Accumulators
    • 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
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/051—Compression system with heat exchange between particular parts of the system between the accumulator and another part of the cycle
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/053—Compression system with heat exchange between particular parts of the system between the storage receiver and another part of the system
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/09—Improving heat transfers

Definitions

  • the invention belongs to the technical field of heat exchange, and particularly provides a heat pump unit.
  • the heat pump unit includes a circulation loop formed by a plurality of devices, and the heat exchange medium continuously exchanges heat in the circulation loop to achieve a heat exchange effect.
  • the existing heat pump unit is usually equipped with a liquid storage device and a gas-liquid separation device; wherein the liquid storage device is used for storing the high-temperature and high-pressure liquid heat exchange medium that is not involved in the circulation in the circulation loop, and The gas-liquid separation device is used to separate the low-temperature low-pressure gaseous heat exchange medium and deliver it to the compression device.
  • the liquid storage device and the gas-liquid separation device of the existing heat pump unit are separately provided, and the manner of independently setting the liquid storage device and the gas-liquid separation device cannot fully utilize the heat stored in the heat exchange medium in the liquid storage device. And the amount of cold stored in the heat exchange medium in the gas-liquid separation device. Further, if the degree of subcooling of the liquid heat exchange medium in the liquid storage device is increased, and at the same time, the superheat degree of the gaseous heat exchange medium in the gas-liquid separation device is increased, the heat exchange efficiency of the unit can be effectively improved.
  • the present invention provides a heat pump unit comprising a liquid storage device and a gas-liquid separation device, the liquid storage device being at least partially housed in the gas-liquid separation device, such that Heat exchange is possible between the liquid storage device and the gas-liquid separation device.
  • the liquid storage device includes a liquid storage member and a first housing disposed in the gas-liquid separation device, the first housing having a first portion for storing a heat exchange medium a closed cavity, the liquid storage member being in communication with the first closed cavity.
  • the liquid storage member includes a first liquid delivery tube and a second liquid delivery tube, and the heat exchange medium stored in the first sealed cavity can pass through the first liquid delivery tube And transporting with the second liquid delivery tube.
  • one of the first liquid delivery tube and the second liquid delivery tube is connected to an evaporation device of the heat pump unit; the first liquid delivery tube and the second The other of the liquid delivery tubes is connected to the condensing unit of the heat pump unit.
  • the gas-liquid separation device includes a gas-liquid separation member and a second housing sleeved outside the first housing, the second housing having a second closed cavity.
  • the gas-liquid separation member is in communication with the second closed cavity.
  • the gas-liquid separation member includes a gas-liquid mixing input pipe and a gas output pipe, and the gas-liquid mixing input pipe and the gas output pipe are respectively connected to the second closed cavity.
  • the gas-liquid mixing input pipe is connected to a four-way valve of the heat pump unit, and the gas output pipe is connected to a compression device of the heat pump unit.
  • the gas-liquid separating member further includes a liquid output pipe connected to a bottom of the second casing.
  • the heat pump unit further includes a heat insulating member, and the heat insulating member is wrapped around the second casing.
  • the gas output pipe is a U-shaped pipe that is inserted from the top of the second casing into the second closed cavity, and the open end of the U-shaped pipe is located Near the inner top of the second casing; the gas-liquid mixing input pipe is also inserted from the top of the second casing into the second closed cavity and the open end thereof is also located in the second casing Near the top of the body.
  • the heat pump unit of the present invention includes a liquid storage device and a gas-liquid separation device, the liquid storage device being at least partially housed in the gas-liquid separation device, Allowing heat exchange between the liquid storage device and the gas-liquid separation device; since the liquid storage device stores a high temperature and high pressure liquid heat exchange medium, the gas-liquid separation device stores low temperature and low pressure
  • the gaseous heat exchange medium, the portion of the liquid storage device being accommodated in the gas-liquid separation device can facilitate heat exchange of the heat exchange medium, so that the heat exchange medium in the liquid storage device can obtain more cold capacity.
  • the subcooling degree of the liquid heat exchange medium is increased, and the heat exchange medium in the gas-liquid separation device obtains more heat to increase the superheat degree of the gaseous heat exchange medium, thereby effectively improving the heat exchange efficiency of the heat pump unit.
  • Figure 1 is a schematic view showing the overall structure of a heat pump unit of the present invention
  • FIG. 2 is a schematic view showing the structure of a liquid storage device and a gas-liquid separation device of the present invention.
  • connection in the description of the present invention, the terms “connected”, “connected”, and “connected” are to be understood broadly, and may be a fixed connection, for example, or It is a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, which can be the internal communication between the two components.
  • intermediate medium which can be the internal communication between the two components.
  • the liquid storage device and the gas-liquid separation device of the existing heat pump unit proposed in the prior art are separately provided, and the independent arrangement cannot fully utilize the heat stored in the heat exchange medium in the liquid storage device and the gas-liquid separation.
  • the problem of the amount of refrigeration stored in the heat exchange medium in the device is separately provided, and the independent arrangement cannot fully utilize the heat stored in the heat exchange medium in the liquid storage device and the gas-liquid separation.
  • the present invention provides a heat pump unit including a liquid storage device and a gas-liquid separation device, the liquid storage device being at least partially housed in the gas-liquid separation device, such that the liquid storage device and the gas
  • the liquid separation device is capable of performing heat exchange; since the liquid storage device stores a high temperature and high pressure liquid heat exchange medium, and the gas liquid separation device stores a low temperature and low pressure gas heat exchange medium, the two devices are
  • the integrated arrangement enables heat exchange of the heat exchange medium, so that the heat exchange medium in the liquid storage device can obtain more cooling capacity to increase the degree of subcooling of the liquid heat exchange medium, and the gas liquid separation device changes The heat medium obtains more heat to increase the superheat of the gaseous heat exchange medium, thereby effectively improving the heat exchange efficiency of the heat pump unit.
  • FIG. 1 is a schematic overall structural view of a heat pump unit of the present invention
  • FIG. 2 is a schematic structural view of a liquid storage device and a gas-liquid separation device of the present invention.
  • the heat pump unit includes a liquid storage device 11 and a gas-liquid separation device 12, and the liquid storage device 11 is housed in the gas-liquid separation device 12, so that the liquid storage device 11 Heat exchange is possible between the gas-liquid separation device 12.
  • the liquid storage device 11 and the gas-liquid separation device 12 of the existing heat pump unit are independently disposed, and the two devices are respectively disposed at different positions of the heat pump unit; therefore, the independent arrangement manner results in the liquid storage device 11
  • the heat exchange medium in the gas-liquid separation device 12 can only achieve heat exchange through the circulation system of the heat pump unit.
  • the present invention allows the heat exchange medium in the liquid storage device 11 and the heat exchange medium in the gas-liquid separation device 12 to pass each other by accommodating the liquid storage device 11 in the gas-liquid separation device 12. Heat exchange and then participate in the cycle of the heat pump unit.
  • the liquid storage device 11 in the preferred embodiment is completely housed in the gas-liquid separation device 12, it is obvious to the skilled person that only a part of the liquid storage device 11 can be accommodated in the gas-liquid separation device 12.
  • the liquid storage device 11 stores high temperature and high pressure liquid heat exchange medium, and the high temperature liquid heat exchange medium has low degree of subcooling, and the evaporation reaction is easily generated during the transportation process.
  • the heat exchange capacity is reduced; and the gas-liquid separation device 12 stores a low-temperature low-pressure gas heat exchange medium, and the low-temperature gas heat exchange medium has a low degree of superheat, and the liquefaction reaction is easily generated during the transportation process to cause the compressor Inhale with liquid.
  • the liquid heat exchange medium stored in the liquid storage device 11 requires more cooling capacity to increase its own degree of subcooling, and the gaseous heat exchange medium stored in the gas-liquid separation device 12 requires more heat to improve itself.
  • the superheat degree therefore, the existing heat pump unit independently disposes the liquid storage device 11 and the gas-liquid separation device 12 not only wastes excess heat in the liquid storage device 11 and excess cooling amount in the gas-liquid separation device 12, but also affects the heat pump unit.
  • Heat exchange capacity The present invention allows the heat exchange medium stored in the two devices to be heat exchanged by accommodating the liquid storage device 11 in the gas-liquid separation device 12, so that the heat exchange medium in the liquid storage device 11 can be obtained through the gas-liquid separation device 12.
  • the amount of cold is increased to increase the degree of subcooling of the liquid heat exchange medium, and the heat exchange medium in the gas-liquid separation device 12 can also obtain more heat through the liquid storage device 11 to increase the superheat of the gaseous heat exchange medium, thereby
  • the utility model can effectively prevent the compressor from generating the problem of suction and liquid supply, and can effectively improve the heat exchange efficiency of the heat pump unit.
  • the liquid storage device 11 includes a first housing 111 having a first enclosed cavity 1110 and a first liquid delivery tube 112 in communication with the first enclosed cavity 1110 and a second liquid delivery tube 113; wherein the first closed cavity 1110 is for storing a heat exchange medium, and the first housing 111 is disposed in the gas-liquid separation device 12 so that the heat exchange medium stored in the first sealed cavity 1110
  • the heat exchange can be directly performed by the first casing 111 and the heat exchange medium stored in the gas-liquid separation device 12. Further, the heat exchange medium stored in the first closed cavity 1110 can be transported through the first liquid delivery pipe 112 and the second liquid delivery pipe 113 to participate in the circulation of the heat pump unit.
  • the first sealed cavity 1110 stores a high temperature and high pressure liquid heat exchange medium
  • the gas liquid separation device 12 stores a low temperature and low pressure gaseous heat exchange medium
  • the first casing 111 is disposed in the gas and liquid.
  • the high temperature and high pressure liquid heat exchange medium stored in the first closed cavity 1110 can obtain the cold amount from the low temperature and low pressure gaseous heat exchange medium stored in the gas liquid separation device 12 through the first casing 111. Therefore, the amount of supercooling of the liquid heat exchange medium stored in the liquid storage device 11 is effectively improved, thereby effectively ensuring the heat exchange efficiency of the heat exchange medium.
  • the liquid storage device 11 described in the preferred embodiment is constituted by the first housing 111 and the liquid storage member, and the liquid storage member includes only the first liquid delivery tube 112 and the The two liquid delivery tube 113; however, the liquid storage device 11 may obviously also comprise other structures, even consisting of only other structures. Since the liquid storage device of the prior art has many types, it will not be described here, that is, the liquid storage device 11 can store the heat exchange medium and exchange heat with the gas-liquid separation device 12. Meanwhile, the present invention does not impose any limitation on the shape of the first closed cavity 1110 as long as the first closed cavity 1110 can store the heat exchange medium.
  • the gas-liquid separation device 12 includes a second housing 121 that is sleeved outside the first housing 111. In the preferred embodiment, between the first housing 111 and the second housing 121. The second closed cavity 1210 is formed, and the process of gas-liquid separation is performed in the second closed cavity 1210. At the same time, the gas-liquid separation device 12 further includes a gas-liquid mixing input pipe 122 and a gas output pipe 123, wherein the gas-liquid mixing input pipe 122 and the gas output pipe 123 are respectively connected to the second closed cavity 1210.
  • the gas-liquid mixing input pipe 122 is inserted from the top of the second casing 121 into the second closed cavity 1210 and the open end thereof is located at the inner top attachment of the second casing 121, so as to effectively avoid the liquid heat exchange medium.
  • the gas output pipe 123 is a U-shaped pipe that is passed from the top of the second casing 121 to the second closed cavity 1210, and the U The open end of the tube is also located near the inner top of the second housing 121 to effectively prevent the liquid heat exchange medium from escaping while outputting the gaseous heat exchange medium.
  • the heat exchange medium in the gas-liquid mixture is input into the second closed cavity 1210 through the gas-liquid mixing input pipe 122, and is performed in the second closed cavity 1210.
  • the gas-liquid separation process enables the gaseous heat exchange medium to be output through the gas output pipe 123 to participate in the circulation of the heat pump unit.
  • the second sealed cavity 1210 stores a low temperature and low pressure gaseous heat exchange medium
  • the first closed cavity 1110 stores a high temperature and high pressure liquid heat exchange medium
  • the second casing 121 is sleeved on the second casing 121.
  • the second sealed cavity 1210 is formed outside the first housing 111 such that the low temperature and low pressure gaseous heat exchange medium stored in the second sealed cavity 1210 can be stored from the liquid storage device 11 through the high temperature and high pressure stored in the liquid storage device 11
  • the heat is obtained in the liquid heat exchange medium, thereby effectively increasing the superheat of the gaseous heat exchange medium stored in the gas-liquid separation device 12, thereby effectively avoiding the problem of the suction and liquid supply of the compressor, and effectively ensuring heat exchange.
  • the heat exchange efficiency of the medium is obtained in the liquid heat exchange medium, thereby effectively increasing the superheat of the gaseous heat exchange medium stored in the gas-liquid separation device 12, thereby effectively avoiding the problem of the suction and liquid supply of the compressor, and effectively ensuring heat exchange
  • the gas-liquid separation device 12 further includes a liquid output pipe 124 connected to the bottom of the second casing 121 so that the liquid heat exchange medium collected at the bottom of the second closed cavity 1210 can It flows out through the liquid output pipe 124.
  • the liquid output tube 124 in the preferred embodiment is disposed at the bottom of the second housing 121, the liquid output tube 124 may obviously be disposed at the bottom of the side of the second housing 121 as long as the liquid heat exchange is performed.
  • the medium can be output through the liquid output tube 124.
  • the gas-liquid separation device 12 in the preferred embodiment further includes the liquid output tube 124, it is obvious that the skilled person may not provide the liquid output tube 124, but the second sealed cavity 1210.
  • the liquid heat exchange medium is evaporated into a gaseous heat exchange medium and then output through the gas output pipe 123.
  • the gas-liquid separation device 12 described in the preferred embodiment is constituted by the second casing 121 and the gas-liquid separation member, and the gas-liquid separation member includes only the gas-liquid mixing input pipe 122 The gas output pipe 123 and the liquid output pipe 124; however, the gas-liquid separation device 12 may obviously include other structures, or even only other structures. Since there are many types of gas-liquid separation devices in the prior art, it will not be described here, that is, the gas-liquid separation device 12 can perform the gas-liquid separation process and exchange heat with the liquid storage device 11.
  • the second closed cavity 1210 in the preferred embodiment is formed by the first housing 111 and the second housing 121 together, the second closed cavity 1210 may obviously be formed only by the second housing 121 independently. As long as the heat exchange medium stored in the first closed cavity 1110 can exchange heat with the heat exchange medium stored in the second closed cavity 1210. Further, the present invention does not impose any limitation on the shape of the second closed cavity 1210 as long as the second closed cavity 1210 can perform a gas-liquid separation process.
  • the heat pump unit further includes a heat insulating member (not shown), and the heat insulating member is coated on the outside of the second casing 121 to minimize energy loss, so that the liquid storage device 11 is separated from the gas and liquid. A sufficient heat exchange between the devices 12 is possible, thereby effectively improving the heat exchange efficiency of the heat pump unit.
  • the heat insulating member is made of a material having good heat insulating properties, such as rock wool, glass wool, and the like.
  • the first liquid delivery tube 112 of the liquid storage device 11 is coupled to the dry evaporator 15, and the second liquid delivery tube 113 of the liquid storage device 11 is coupled to the fin heat exchanger 16.
  • the gas-liquid mixing input pipe 122 of the gas-liquid separating device 12 is connected to the four-way valve 14, and the gas output pipe 123 of the gas-liquid separating device 12 is connected to the compressor 13.
  • the high temperature and high pressure gaseous heat exchange medium flowing out of the compressor 13 flows into the fin heat exchanger 16 through the four-way valve 14 to release heat and liquefy into a liquid heat exchanger.
  • the medium; the high temperature and high pressure liquid heat exchange medium flows from the fin heat exchanger 16 into the electronic expansion valve, and then flows into the first closed cavity 1110 through the second liquid delivery pipe 113; then, part of the high temperature and high pressure liquid heat exchange medium passes through
  • the first liquid delivery pipe 112 flows into the dry evaporator 15 to evaporate and absorb heat, so as to achieve the cooling effect; at this time, part of the liquid heat exchange medium evaporates into a gaseous heat exchange medium, and the heat exchange medium in the gas-liquid mixture flows into the four-way.
  • the valve 14 flows to the gas-liquid mixing input pipe 122, enters the second closed cavity 1210 through the gas-liquid mixing input pipe 122 for gas-liquid separation; finally, the gaseous heat exchange medium in the second closed cavity 1210 passes through the gas output pipe 123. It flows out and enters the compressor 13 again, thereby completing the entire cycle.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

L'invention concerne une unité de pompe à chaleur, comprenant un dispositif de stockage de liquide (11) et un dispositif de séparation gaz-liquide (12). Le dispositif de stockage de liquide (11) est au moins partiellement logé dans le dispositif de séparation gaz-liquide (12), et un milieu de transfert de chaleur liquide à haute température et haute pression qui est stocké dans le dispositif de stockage de liquide (11) peut échanger à travers un premier boîtier (111) de la chaleur avec un milieu de transfert de chaleur gazeux à basse température et basse pression qui est stocké dans le dispositif de séparation gaz-liquide (12). Le milieu de transfert de chaleur dans le dispositif de stockage de liquide (11) obtient davantage de frigories pour améliorer le degré de surfusion du milieu de transfert de chaleur liquide, et le milieu de transfert de chaleur dans le dispositif de séparation gaz-liquide (12) obtient davantage de calories pour améliorer le degré de surchauffe du milieu de transfert de chaleur gazeux, de telle sorte que le rendement de transfert de chaleur de l'unité de pompe à chaleur soit efficacement améliorée.
PCT/CN2019/083795 2018-05-10 2019-04-23 Unité de pompe à chaleur WO2019214425A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19799532.7A EP3792569A4 (fr) 2018-05-10 2019-04-23 Unité de pompe à chaleur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810441638.7 2018-05-10
CN201810441638.7A CN108534392A (zh) 2018-05-10 2018-05-10 热泵机组

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WO2019214425A1 true WO2019214425A1 (fr) 2019-11-14

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EP (1) EP3792569A4 (fr)
CN (1) CN108534392A (fr)
WO (1) WO2019214425A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108534392A (zh) * 2018-05-10 2018-09-14 青岛海尔中央空调有限公司 热泵机组
CN109869941B (zh) * 2018-12-17 2020-03-10 珠海格力电器股份有限公司 热泵系统、吸气过热度及气液分离器积液蒸发控制方法
CN115265234B (zh) * 2022-06-24 2023-05-16 广州五所环境仪器有限公司 环境测试设备及换热装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202562149U (zh) * 2012-04-12 2012-11-28 广州金抡电器有限公司 一种过冷过热型分离器
CN203771831U (zh) * 2014-03-21 2014-08-13 广东美的暖通设备有限公司 空调室外机及其多功能储液装置
CN204648772U (zh) * 2015-03-03 2015-09-16 湖南凯利制冷设备有限公司 一种制冷系统新型多用途换热装置
CN108534392A (zh) * 2018-05-10 2018-09-14 青岛海尔中央空调有限公司 热泵机组
CN208419268U (zh) * 2018-05-10 2019-01-22 青岛海尔中央空调有限公司 热泵机组

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5417183B2 (fr) * 1974-06-17 1979-06-28
JPS52109643A (en) * 1976-03-12 1977-09-14 Hitachi Ltd Heat pump type air conditioning equipment
CN201100798Y (zh) * 2007-11-08 2008-08-13 无锡同方人工环境有限公司 双向过冷储液器
CN202853219U (zh) * 2012-09-27 2013-04-03 邵武市九亮工贸有限公司 一种立式工质气液分离器
GB2517993B (en) * 2013-09-09 2020-01-01 Jung Shen Liao Refrigerating machine having tube-cooled evaporator & air-cooled evaporator
CN104374126A (zh) * 2014-11-27 2015-02-25 浙江新昌三瑞香雪冲业有限公司 一种新型气液分离器
CN205980446U (zh) * 2016-08-11 2017-02-22 新昌县行峰制冷配件厂 一种具有贮液、节能、积液功能的热交换器
CN107270595B (zh) * 2017-06-01 2019-11-15 嵊州盈益机械有限公司 一种空调系统用分液器及其制造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202562149U (zh) * 2012-04-12 2012-11-28 广州金抡电器有限公司 一种过冷过热型分离器
CN203771831U (zh) * 2014-03-21 2014-08-13 广东美的暖通设备有限公司 空调室外机及其多功能储液装置
CN204648772U (zh) * 2015-03-03 2015-09-16 湖南凯利制冷设备有限公司 一种制冷系统新型多用途换热装置
CN108534392A (zh) * 2018-05-10 2018-09-14 青岛海尔中央空调有限公司 热泵机组
CN208419268U (zh) * 2018-05-10 2019-01-22 青岛海尔中央空调有限公司 热泵机组

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3792569A4 *

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CN108534392A (zh) 2018-09-14
EP3792569A4 (fr) 2021-07-28
EP3792569A1 (fr) 2021-03-17

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