WO2012003703A1 - Equipement d'échange de chaleur et système de refroidissement - Google Patents
Equipement d'échange de chaleur et système de refroidissement Download PDFInfo
- Publication number
- WO2012003703A1 WO2012003703A1 PCT/CN2010/080336 CN2010080336W WO2012003703A1 WO 2012003703 A1 WO2012003703 A1 WO 2012003703A1 CN 2010080336 W CN2010080336 W CN 2010080336W WO 2012003703 A1 WO2012003703 A1 WO 2012003703A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- control valve
- heat exchanger
- opening
- outlet
- heat exchange
- 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.)
- Ceased
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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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
- F25B47/025—Defrosting cycles hot gas defrosting by reversing the cycle
Definitions
- the present invention relates to a heat exchange device and a refrigeration system having the same. Background technique
- the heat exchanger is an essential device in the heat pump system and can be used as an outdoor unit and an indoor unit in the heat pump system.
- the heat exchanger In the outdoor unit in winter, the heat exchanger is an evaporator.
- the evaporation temperature is lower than zero, the moisture in the air around the surface of the evaporator gradually freezes.
- the frost layer on the surface of the evaporator reaches a certain thickness, the cooling effect will be affected. Therefore, it is necessary to defrost the evaporator in time.
- indoor side heat exchangers are used as evaporators, operating at very low ambient temperatures, accumulating large amounts of frost on the evaporator surface, heat exchanger heat transfer efficiency and refrigeration system operation Efficiency has a significant impact and therefore requires defrosting.
- reverse cycle defrosting is used, that is, when defrosting is required, the refrigerant flows in the reverse direction throughout the refrigeration system, the evaporator acts as a condenser, and the condenser acts as an evaporator, so the defrosting operation interrupts the refrigeration system.
- Normal operation which reduces work efficiency.
- the accumulation rate of the frost layer on each part of the evaporator is not equal, and when any frost layer on the evaporator needs to be removed, The defrosting operation of the evaporator is required. Frequent defrosting increases the fluctuation of the refrigeration system, adversely affects the cooling or heating control environment and reduces the operating efficiency of the whole machine. Summary of the invention
- the present invention aims to solve at least one of the technical problems existing in the prior art. Accordingly, it is an object of the present invention to provide a heat exchange device by which the fluctuation of the refrigeration system can be reduced by the defrosting operation, and the overall efficiency can be improved.
- Another object of the present invention is to provide a refrigeration system having the above heat exchange device.
- a heat exchange apparatus includes: a heat exchanger having a first opening and a second opening; and a refrigerant flow direction changing unit, the refrigerant flow direction changing unit and changing The heat exchanger is connected to change the flow direction of the refrigerant in the heat exchanger.
- the evaporator when used as an evaporator in a refrigeration system, the evaporator can be defrosted only by changing the flow direction of the refrigerant in the evaporator, thereby reducing the number of reverse cycle defrosting Even reverse cycle defrosting can be avoided. Therefore, the operation of the refrigeration system is more stable and the system efficiency is improved.
- the refrigerant flow direction changing unit includes first to fourth control valves, wherein the first control The inlet of the valve is connected to the first opening and the outlet of the first control valve is connected to the second opening; the second control valve is connected Between the inlet of the first control valve and the first opening, wherein the inlet of the second control valve is connected to the inlet of the first control valve and the outlet of the second control valve is connected to the first opening; the inlet of the third control valve is connected a second control valve is connected between the outlet and the first opening and the third control valve is connected to the second opening; and the fourth control valve is connected between the outlet of the third control valve and the outlet of the first control valve and the second opening Wherein the inlet of the fourth control valve is connected to the outlet of the first control valve and the second opening and the outlet of the fourth control valve is connected to the outlet of the third control valve.
- At least one of the first to fourth control valves is a solenoid valve.
- the heat exchanger includes: a first header, the first opening is disposed on the first header; and the second header is spaced apart from the first header a predetermined distance and a second opening is disposed on the second header; a heat exchange tube, two ends of each heat exchange tube are respectively connected to the first and second headers to communicate with the first and the second through the refrigerant passage therein a second header; and fins, the fins being disposed between adjacent heat exchange tubes, respectively.
- the heat exchanger includes a first heat exchanger and a second heat exchanger, wherein a second opening of the first heat exchanger is in communication with the first opening of the second heat exchanger so that The first heat exchanger is in series with the second heat exchanger.
- a refrigeration system includes a compressor, an evaporator, a throttle structure, and a condenser, which are sequentially connected, wherein the evaporator may be the heat exchange device of the first aspect of the invention.
- the refrigeration system according to the present invention further includes a four-way valve having four orifices, wherein the two orifices are respectively connected to the inlet and outlet of the compressor, and the other two orifices are respectively connected to the condenser and the evaporator Connected.
- FIG. 1 is a schematic view of a heat exchange device according to an embodiment of the present invention.
- FIG. 2 is a schematic view of a heat exchanger of a heat exchange device in accordance with an embodiment of the present invention
- FIG 3 is a side view of the heat exchanger shown in Figure 1;
- Figure 4 is a schematic view showing the flow of the refrigerant in the first direction in the heat exchange device shown in Figure 1;
- Figure 5 is a schematic view showing the flow of the refrigerant in the heat exchange device shown in Figure 1 in a second direction opposite to the first direction;
- Figure 6 is a schematic view of the heat exchanger of the heat exchange device according to another embodiment of the present invention. ;
- FIG. 7 is a side view of the heat exchanger shown in Figure 6;
- Figure 8 is a view showing the flow of the refrigerant in the first direction in the heat exchange device shown in Figure 6;
- Figure 9 is a schematic view showing the flow of the refrigerant in the second direction in the heat exchange device shown in Figure 6;
- Figure 10 is a schematic illustration of a refrigeration system in accordance with one embodiment of the present invention.
- FIG 11 is a schematic illustration of a refrigeration system in accordance with another embodiment of the present invention.
- Figure 12 is a schematic illustration of a refrigeration system in accordance with yet another embodiment of the present invention. detailed description
- first and “second” are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
- installation and “connected” are to be understood broadly, and may be, for example, mechanically or electrically connected, or The internal communication between the two components may be directly connected or indirectly connected through an intermediate medium.
- specific meanings of the above terms may be understood according to specific circumstances.
- a heat exchange device includes a heat exchanger 100 and a refrigerant flow direction changing unit connected to the heat exchanger 100, and a refrigerant flow direction changing unit is used to change the heat exchange of the refrigerant.
- the direction of flow within the device 100 includes a heat exchanger 100 and a refrigerant flow direction changing unit connected to the heat exchanger 100, and a refrigerant flow direction changing unit is used to change the heat exchange of the refrigerant. The direction of flow within the device 100.
- the heat exchanger 100 has a first opening 101 and a second opening 201.
- the first opening 101 can serve as an inlet for the heat exchanger 100
- the second opening 201 can serve as an outlet for the heat exchanger 100.
- the refrigerant flows in a first direction indicated by a solid arrow A. That is, the refrigerant enters the heat exchanger 100 from the first opening 101, and then exits the heat exchanger 100 from the second opening 201, and when the defrosting is required, the flow of the refrigerant in the heat exchanger 100 is changed by the refrigerant flow direction changing unit.
- the refrigerant flows in the second direction indicated by the broken line arrow B, that is, the refrigerant enters the heat exchanger 100 from the second opening 201, and then exits the heat exchanger 100 from the first opening 101.
- the heat exchange device can be defrosted only by changing the flow direction of the refrigerant in the heat exchanger 100, and the refrigerant can be reversely circulated throughout the refrigeration system, thereby reducing the system reverse cycle defrosting The number can even avoid the system reverse cycle defrost. Therefore, the operation of the refrigeration system is more stable and the system efficiency is improved.
- the refrigerant flow direction changing unit includes a first control valve VI, The second control valve V2, the third control valve V3 and the fourth control valve V4.
- the inlet of the first control valve VI is connected to the first opening 101 and the outlet of the first control valve VI is connected to the second opening 201.
- the second control valve V2 is connected between the inlet of the first control valve VI and the first opening 101. Specifically, the inlet of the second control valve V2 is connected to the inlet of the first control valve VI and the outlet of the second control valve V2 is The first openings 101 are connected.
- the inlet of the third control valve V3 is connected between the outlet of the second control valve V2 and the first opening 101, and the outlet of the third control valve V3 is connected to the second opening 201.
- the fourth control valve V4 is connected between the outlet of the first control valve VI and the outlet of the third control valve V3, more specifically, the inlet of the fourth control valve V4 and the outlet of the first control valve V and the second opening 201
- the outlet of the fourth control valve V4 is connected to the outlet of the third control valve V3.
- the first control valve VI, the second control valve V2, the third control valve V3, and the fourth control valve V4 may be, for example, solenoid valves, but the present invention is not limited thereto.
- the solenoid valves VI, V3 are closed, the solenoid valves V2, V4 are open, and the refrigerant flows in the heat exchanger 100 in the direction A (first direction), that is, the refrigerant passes through the first opening 101.
- the heat exchanger 100 is entered and then discharged through the second opening 201.
- the solenoid valves V2, V4 When defrosting is required, the solenoid valves V2, V4 are closed, the solenoid valves VI, V3 are opened, and the refrigerant enters the heat exchanger 100 from the second opening 201 through the solenoid valve VI, flows in the direction B (second direction), and then flows from the second An opening 101 is discharged, thereby defrosting the first open section of the heat exchanger 100 (a section of the heat exchanger adjacent the first opening).
- the refrigerant discharged from the first opening 101 cannot pass through the solenoid valves VI and V4, but is returned to the side of the second opening 201 through the solenoid valve V3.
- the solenoid valves VI, V3 After the defrosting is completed, the solenoid valves VI, V3 are closed, the solenoid valves V2, V4 are opened, and the refrigerant flows in the direction A of the heat exchanger 100.
- heat exchanger 100 that is a heat exchange device of one embodiment of the present invention.
- the heat exchanger 100 can be, for example, a parallel flow heat exchanger.
- heat exchanger 100 includes a first header 1, a second header 2, a heat exchange tube 3, and fins 4.
- the first opening 101 is provided on the first header 1, and the second header 2 is spaced apart from the first header 1 by a predetermined distance and the second opening 201 is formed thereon.
- the first opening 101 and the second opening 201 are respectively in the form of a length of tubes connected to the first header 1 and the second header 2, and thus, the description of the practice of the present invention In the middle, the opening has the same meaning as the open tube.
- each heat exchange tube 3 Two ends of each heat exchange tube 3 are respectively connected to the first header tube 1 and the second header tube 2, so that the refrigerant passages in the heat exchange tubes 3 communicate with the first header tube 1 and the second header tube 2 .
- the fins 4 are disposed between adjacent heat exchange tubes 3, respectively.
- the heat exchanger 3 can be, for example, a flat tube, and the refrigerant passage therein can be, for example, a microchannel.
- the refrigerant flows in the direction A within the heat exchanger 100, i.e., enters the first header 1 from the inlet 101 and passes through the outlet.
- 201 discharge heat exchanger 100, in other words In Figs. 2 and 3, the refrigerant flows from the bottom to the top.
- the lowest temperature point on the heat exchanger 100 will appear in the first open section of the heat exchanger 100 (i.e., a section of the heat exchanger that is adjacent to the first opening 101) where the frosting is most severe and the amount of frosting flows along the refrigerant.
- Direction A is gradually reduced.
- the frost layer on the inlet section of the heat exchanger 100 is accumulated more (the refrigerant temperature in the tube is lower than the refrigerant temperature at the outlet: below zero), and the second opening in the heat exchanger 100
- the frost layer on the segment i.e., the heat exchanger adjacent to the second opening 201 is less accumulated or frost-free (the refrigerant temperature in the tube is above zero), and the first segment needs to be defrosted.
- the flow direction of the refrigerant in the heat exchanger 100 is reversed by the refrigerant flow direction changing unit, and the refrigerant flows in the direction B in the heat exchanger 100, in other words, the refrigerant enters the second header from the second 201. 2, and then discharged from the first opening 101.
- the relatively high temperature portion and the low temperature portion of the refrigerant in the heat exchange tube 3 are also correspondingly adjusted, and the original heat exchanger 100 has more frosted portions (for example, In the lower part of FIG. 2 and FIG. 3, the temperature of the refrigerant in the heat exchange tube 3 is higher than zero after the temperature is adjusted, the frost layer is gradually melted, and the upper portion of the heat exchanger 100 is turned to the rear after the refrigerant is turned, and the temperature is lower than zero. The frost layer gradually accumulates.
- the flow direction of the refrigerant is reversed by the flow of the refrigerant to the changing unit, and the circulation is performed.
- the refrigerant does not need to be reversely circulated throughout the refrigeration system. Therefore, the number of defrosting can be reduced or even reverse cycle defrosting can be performed, the temperature of the cooled environment is stabilized, the number of defrosting is reduced, the operation of the refrigeration system is more stable, and the efficiency of the refrigeration system is improved.
- the amount of frost on the heat exchanger 100 is severe, the refrigerant can also be reversely circulated throughout the refrigeration system.
- the refrigerant flow direction changing unit includes a first control valve VI, a second control valve V2, a third control valve V3, and a fourth control valve V4.
- the inlet of the first control valve VI is connected to the first opening 101 and the outlet of the first control valve VI is connected to the second opening 201.
- the second control valve V2 is connected between the inlet of the first control valve VI and the first opening 101, more specifically, the inlet of the second control valve V2 is connected to the inlet of the first control valve VI and the second control valve V2 The outlet is connected to the first opening 101.
- the inlet of the third control valve V3 is connected between the outlet of the second control valve V2 and the first opening 101, and the outlet of the third control valve V3 is connected to the second opening 201.
- the fourth control valve V4 is connected between the outlet of the first control valve VI and the outlet of the third control valve V3, more specifically, the inlet of the fourth control valve V4 and the outlet of the first control valve V and the second opening 201
- the outlet of the fourth control valve V4 is connected to the outlet of the third control valve V3.
- the solenoid valves VI, V3 are closed, and the solenoid valves V2, V4 are opened, whereby the refrigerant enters the first header 1 from the first opening 101 in the direction A, and then enters the heat exchange sequentially.
- the solenoid valves V2, V4 are closed, and the solenoid valves VI, V3 are opened, whereby the refrigerant enters the second header 2 from the second opening 201 through the solenoid valve VI, and then sequentially
- the dotted arrow B enters the heat exchange tube 3
- the first header 1 and the first opening 101 are discharged from the first opening 101, thereby defrosting the first open end of the heat exchanger 100.
- the refrigerant discharged from the first opening 101 cannot pass through the solenoid valves VI and V4, but is returned to the side of the second opening 201 through the solenoid valve V3.
- the solenoid valves VI, V3 are closed, the solenoid valves V2, V4 are opened, and the refrigerant flows in the direction A in the heat exchanger 100.
- heat exchanger 100 includes a first heat exchanger 100a and a second heat exchanger 100b.
- the second opening 201a of the first heat exchanger 100a communicates with the first opening 201b of the second heat exchanger 100b such that the first heat exchanger 100a is connected in series with the second heat exchanger 100b.
- the second opening 201a of the first heat exchanger 100a and the first opening 101b of the second heat exchanger 100b are in communication through the intermediate connecting pipe 5, but the invention is not limited thereto, for example, the first heat exchanger 100a
- the second heat exchanger 100b may also be two parts formed by bending the flat plate heat exchanger.
- the refrigerant flow direction changing unit includes a first control valve VI, a second control valve V2, a third control valve V3, and a fourth control valve V4.
- the inlet of the first control valve VI is connected to the first opening 101a of the first heat exchanger 100a and the outlet of the first control valve VI is connected to the second opening 201b of the second heat exchanger 100b.
- the second control valve V2 is connected between the inlet of the first control valve VI and the first opening 101a of the first heat exchanger 100a such that the inlet of the second control valve V2 is connected to the inlet of the first control valve VI and the second control The outlet of the valve V2 is connected to the first opening 101a of the first heat exchanger 100a.
- the inlet of the third control valve V3 is connected between the outlet of the second control valve V2 and the first opening 110a of the first heat exchanger 100a and the outlet of the third control valve V3 and the second of the second heat exchanger 100b
- the openings 201 b are connected.
- the fourth control valve V4 is connected between the outlet of the first control valve VI and the outlet of the third control valve V3, the fourth control valve
- the inlet of V4 is connected to the outlet of the first control valve VI and the second opening 201b of the second heat exchanger 100b and the outlet of the fourth control valve V4 is connected to the outlet of the third control valve V3.
- the solenoid valves VI, V3 are closed, and the solenoid valves V2, V4 are opened, whereby the refrigerant flows in the first direction A, That is, the first header 101a of the first heat exchanger 100a enters the first header la of the first heat exchanger 100a, and then passes through the heat exchange tubes 3a of the first heat exchanger 100a, the first heat exchanger 100a.
- the second header 2a and the second opening 201a of the first heat exchanger 100a are closed, and the solenoid valves V2, V4 are opened, whereby the refrigerant flows in the first direction A, That is, the first header 101a of the first heat exchanger 100a enters the first header la of the first heat exchanger 100a, and then passes through the heat exchange tubes 3a of the first heat exchanger 100a, the first heat exchanger 100a.
- the second header 2a and the second opening 201a of the first heat exchanger 100a are the first heat exchanger 100a.
- the second header 2b of the heat exchanger 100b and then sequentially enters the heat exchange tube 3b of the second heat exchanger 100b in the second direction B, the first opening of the second heat exchanger 100b 101b, the intermediate connecting pipe 5, the second opening 201a of the first heat exchanger 100a, the heat exchange tube 3a of the first heat exchanger 100a, the first header 1a of the first heat exchanger 100a and the first
- the first opening 101a of the heat exchanger 100a is discharged from the first opening 101a of the first heat exchanger 100a, thereby defrosting the first open section of the heat exchanger first heat exchanger 100a.
- the refrigerant discharged from the first opening 101a of the first heat exchanger 100a cannot pass through the solenoid valves VI and V4, but is returned to the second opening 201b-side of the second heat exchanger 100b through the solenoid valve V3.
- the solenoid valves VI and V3 are closed, the solenoid valves V2 and V4 are opened, and the refrigerant flows in the direction A in the heat exchanger.
- the heat exchange device can easily perform defrosting by changing the flow direction of the refrigerant therein, eliminating or reducing the reverse circulation of the refrigerant in the entire refrigeration system, and reducing or even eliminating the reverse cycle of the refrigeration system.
- the number of defrosts makes the refrigeration system run more stable and the efficiency of the refrigeration system is improved.
- the start time of the defrost operation can be controlled by the refrigeration system according to the frosting condition, and the flow direction of the refrigerant in the heat exchanger can be changed to perform defrosting when the frost amount is not very serious, so that The performance of the refrigeration system is not excessively attenuated, and the temperature of the control environment is kept stable.
- heat exchanger 100 can be a parallel flow heat exchanger, such as a microchannel heat exchanger.
- the refrigeration system includes a compressor 200, an evaporator 100, a throttle structure 400, and a condenser 300, which are sequentially connected.
- the evaporator 100 is the above-described heat exchange device according to an embodiment of the present invention, and the evaporator 100 can change the flow direction of the refrigerant in the evaporator 100 by the refrigerant flow direction changing unit.
- Figure 11 illustrates a refrigeration system capable of performing a reverse cycle of the system as compared to the refrigeration system of Figure 10, such as a refrigerant capable of flowing in a direction C or D in the system, in accordance with another embodiment of the present invention.
- the evaporator 100, the throttle structure 400, the condenser 300 and the four-way valve 500 are sequentially connected, and the four-way valve 500 has four orifices, two of which are respectively associated with the inlet of the compressor 200 and The outlets are connected and the other two orifices are connected to the condenser 300 and the evaporator 100, respectively.
- the flow direction of the refrigerant in the evaporator 100 can be changed by the first to fourth control valves V1 - V4, for example, from the original direction A to the direction B, thereby performing defrosting.
- the flow direction of the refrigerant in the entire refrigeration system can be changed, for example, the direction C of the refrigerant is converted into the direction D, thereby defrosting through the system reverse cycle.
- heat exchanger 100 is a copper tube finned heat exchanger.
- heat exchanger 100 in a refrigeration system is a parallel flow heat exchanger, such as the heat exchanger shown in Figure 1.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Defrosting Systems (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
L'invention concerne un équipement d'échange de chaleur et un système de refroidissement doté de cet équipement. L'équipement selon l'invention comprend un échangeur de chaleur et une unité de changement de sens d'écoulement d'agent frigorifique reliée à l'échangeur de chaleur. L'échangeur de chaleur comporte une première et une deuxième ouverture et l'unité de changement de sens d'écoulement d'agent frigorifique sert à changer le sens d'écoulement de l'agent frigorifique dans l'échangeur de chaleur. Lorsque l'équipement d'échange de chaleur sert pour un évaporateur du système de refroidissement, le dégivrage est réalisé par changement du sens d'écoulement de l'agent frigorifique. Ainsi, la durée du dégivrage par circulation du système de refroidissement peut être réduite, le fonctionnement du système de refroidissement stabilisé et l'efficacité accrue.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010222623.5 | 2010-07-08 | ||
| CN2010102226235A CN101871708B (zh) | 2010-07-08 | 2010-07-08 | 换热装置和制冷系统 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012003703A1 true WO2012003703A1 (fr) | 2012-01-12 |
Family
ID=42996716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2010/080336 Ceased WO2012003703A1 (fr) | 2010-07-08 | 2010-12-27 | Equipement d'échange de chaleur et système de refroidissement |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101871708B (fr) |
| WO (1) | WO2012003703A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918167A (zh) * | 2015-12-24 | 2017-07-04 | 杭州三花微通道换热器有限公司 | 换热装置和具有所述换热装置的制冷剂蒸汽压缩系统 |
| CN115540489A (zh) * | 2022-09-23 | 2022-12-30 | 东芝家用电器制造(南海)有限公司 | 冰箱的控制方法、电子设备及计算机可读存储装置 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871708B (zh) * | 2010-07-08 | 2012-03-28 | 三花丹佛斯(杭州)微通道换热器有限公司 | 换热装置和制冷系统 |
| CN109654775A (zh) * | 2018-12-18 | 2019-04-19 | 青岛经济技术开发区海尔热水器有限公司 | 一种除霜控制方法及空气源热泵系统 |
| CN112628887A (zh) * | 2020-11-24 | 2021-04-09 | 青岛海尔空调电子有限公司 | 空调器及其除霜控制方法、存储介质、控制装置 |
| CN117515974A (zh) * | 2023-11-29 | 2024-02-06 | 珠海格力电器股份有限公司 | 制冷系统、冷库及其化霜控制方法 |
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| JP2001263845A (ja) * | 2000-03-17 | 2001-09-26 | Fujitsu General Ltd | 空気調和機 |
| JP2005106328A (ja) * | 2003-09-29 | 2005-04-21 | Sanden Corp | 熱交換装置 |
| DE602005015120D1 (de) * | 2004-08-18 | 2009-08-06 | Arcelik Anonim Sirketi Tuzla | Kühlvorrichtung |
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2010
- 2010-07-08 CN CN2010102226235A patent/CN101871708B/zh active Active
- 2010-12-27 WO PCT/CN2010/080336 patent/WO2012003703A1/fr not_active Ceased
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| JPH01131863A (ja) * | 1987-11-17 | 1989-05-24 | Mitsubishi Electric Corp | ヒートポンプ装置 |
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|---|---|---|---|---|
| CN106918167A (zh) * | 2015-12-24 | 2017-07-04 | 杭州三花微通道换热器有限公司 | 换热装置和具有所述换热装置的制冷剂蒸汽压缩系统 |
| CN115540489A (zh) * | 2022-09-23 | 2022-12-30 | 东芝家用电器制造(南海)有限公司 | 冰箱的控制方法、电子设备及计算机可读存储装置 |
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| Publication number | Publication date |
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| CN101871708B (zh) | 2012-03-28 |
| CN101871708A (zh) | 2010-10-27 |
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