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WO2018164084A1 - Dispositif de refroidissement et réservoir de séparation gaz-liquide - Google Patents

Dispositif de refroidissement et réservoir de séparation gaz-liquide Download PDF

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Publication number
WO2018164084A1
WO2018164084A1 PCT/JP2018/008447 JP2018008447W WO2018164084A1 WO 2018164084 A1 WO2018164084 A1 WO 2018164084A1 JP 2018008447 W JP2018008447 W JP 2018008447W WO 2018164084 A1 WO2018164084 A1 WO 2018164084A1
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WIPO (PCT)
Prior art keywords
refrigerant
gas
liquid
liquid mixed
separation tank
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Ceased
Application number
PCT/JP2018/008447
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English (en)
Japanese (ja)
Inventor
安仁 中村
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NEC Platforms Ltd
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NEC Platforms Ltd
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Filing date
Publication date
Application filed by NEC Platforms Ltd filed Critical NEC Platforms Ltd
Publication of WO2018164084A1 publication Critical patent/WO2018164084A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating

Definitions

  • the present invention relates to a cooling technique using a phase change of a refrigerant.
  • phase change cooling evaporation cooling, boiling cooling
  • the device is cooled by using the phase change of the heat medium (refrigerant) enclosed in the cooling device.
  • the refrigerant vapor evaporated in the heat receiving part moves to the condenser via the pipe.
  • the refrigerant vapor is a gas-liquid mixed two-phase flow in which a liquid and a gas are mixed.
  • the liquid in the gas-liquid mixed two-phase flow becomes a factor that increases the fluid resistance against gas movement in the gas-liquid mixed two-phase flow. Therefore, in the cooling device using the phase change of the refrigerant, there is a problem that the cooling performance is deteriorated due to the fluid resistance due to the liquid in the gas-liquid mixed two-phase flow.
  • a device that separates liquid and gas in a gas-liquid mixed two-phase flow is called a gas-liquid separator (gas-liquid separation tank, accumulator).
  • Patent Document 1 An example of a technique related to a gas-liquid separator is disclosed in Patent Document 1.
  • the boiling cooling device for electronic equipment disclosed in Patent Document 1 After the refrigerant vapor is caused to flow from the side surface or the upper surface of the tank and the gas and the liquid are separated, the separated gas flows from the upper part of the tank to the radiator (condenser). Sent.
  • the boiling cooling device for electronic equipment disclosed in Patent Document 1 a decrease in cooling performance due to fluid resistance due to liquid in the gas-liquid mixed two-phase flow is suppressed.
  • Patent Document 2 Another example of the technology related to the gas-liquid separator is disclosed in Patent Document 2.
  • the accumulator of Patent Document 2 includes a hollow container, a refrigerant inflow pipe, and a refrigerant outflow pipe.
  • the hollow container has an inlet and an outlet at both ends.
  • the refrigerant inflow pipe is inserted from the inlet of the hollow container.
  • the refrigerant outflow pipe is inserted from the outlet of the hollow container.
  • the refrigerant blow hole is formed in a direction perpendicular to the refrigerant inflow direction in the vicinity of the tip of the refrigerant inflow pipe.
  • the sealing member is press-fitted to a position in contact with the end of the refrigerant outflow hole.
  • the sealing member has a conical portion having a diameter slightly larger than the inner diameter of the refrigerant inflow pipe and protruding in the refrigerant inflow direction at the tip of the refrigerant inflow pipe.
  • JP 2008-130746 A Japanese Patent Laid-Open No. 10-30863
  • the gas traveling direction changes by 90 degrees in the accumulator. Therefore, the pressure loss in the tank is large. Therefore, the accumulator of Patent Document 2 has a problem that the cooling efficiency is lowered by the amount of pressure loss in the accumulator.
  • the boiling cooling device for electronic equipment disclosed in Patent Document 1 has a problem that the piping structure is complicated as compared with the case where there is no gas-liquid separation tank.
  • the present invention has been made in view of the above problems, and in a cooling device using a phase change of a refrigerant, when a gas-liquid separation tank is introduced, suppression of pressure loss in the gas-liquid separation tank and simple piping
  • the main purpose is to balance the structure.
  • the cooling device is a sealed container that can hold a refrigerant therein, and a condensed refrigerant inflow portion that allows a refrigerant in a condensed state to flow from above, with a lower end penetrating the upper bottom surface or side surface of the container.
  • the upper end of the container opens at the lower bottom surface of the container, and the condensed refrigerant outflow portion for discharging the condensed refrigerant downward, and the upper end of the refrigerant passes through the lower bottom surface and flows in the gas-liquid mixed state refrigerant from below.
  • a gas-liquid separation tank including a gas refrigerant outflow portion that is installed in a proper direction and that has a lower end opened at the upper bottom surface and that causes the gaseous refrigerant to flow out upward, and the refrigerant supplied and supplied from the gas refrigerant outflow portion Cool the A condenser that supplies the rejected refrigerant to the condensed refrigerant inflow portion, a heat receiving portion that is supplied with the refrigerant from the condensed refrigerant outflow portion, absorbs heat to the supplied refrigerant, and supplies the absorbed heat to the gas-liquid mixed refrigerant inflow portion Is provided.
  • the gas-liquid separation tank is a sealed container capable of holding a refrigerant therein, and has a lower end penetrating an upper bottom surface or a side surface of the container, and a condensed refrigerant inflow for injecting a condensed refrigerant from above. And a condensing refrigerant outflow part for allowing the refrigerant in a condensed state to flow out downward, the upper end opening at the lower bottom surface of the container, and an upper end penetrating the lower bottom surface to allow the gas-liquid mixed state refrigerant to flow in from below.
  • a gas-liquid mixed refrigerant inflow portion that causes the gaseous refrigerant out of the refrigerant to flow upward and the liquid refrigerant out of the flowed-in refrigerant to flow out toward the wall surface of the container; and a gas-liquid mixed refrigerant inflow portion And a gas refrigerant outflow portion for allowing the refrigerant in the gaseous state to flow out upward, the lower end of which is opened at the upper bottom surface.
  • the present invention in the cooling device using the phase change of the refrigerant, when the gas-liquid separation tank is introduced, it is possible to achieve both the suppression of the pressure loss in the gas-liquid separation tank and the simple piping structure. is there.
  • FIG. 1 is a front view showing an example of the configuration of the cooling device according to the first embodiment of the present invention.
  • the cooling device 100 of this embodiment includes a condenser 200, a heat receiving unit 140, and a gas-liquid separation tank 110.
  • the condenser 200 releases the heat of the refrigerant to the outside when the heated refrigerant passes through the inside.
  • the heat receiving unit 140 absorbs external heat when the cooled refrigerant passes through the inside.
  • the heat receiving unit 140 is supplied with the cooled refrigerant from below, moves the supplied refrigerant from below to above while absorbing external heat, and the refrigerant that has absorbed external heat from above is gas-liquid. Supply to separation tank 110.
  • the gas-liquid separation tank 110 supplies the cooled refrigerant supplied from the condenser 200 to the heat receiving unit 140.
  • the gas-liquid separation tank 110 separates gas from the heated gas-liquid mixed refrigerant supplied from the heat receiving unit 140 and supplies the separated gas to the condenser 200.
  • the gas-liquid separation tank 110 receives supply of condensed refrigerant from the condenser 200 via the condensed refrigerant inflow pipe 120.
  • the gas-liquid separation tank 110 supplies the condensed refrigerant to the heat receiving unit 140 via the condensed refrigerant outflow pipe 130.
  • the gas-liquid separation tank 110 receives supply of gas-liquid mixed refrigerant from the heat receiving unit 140 via the gas-liquid mixed refrigerant inflow pipe 150.
  • the gas-liquid separation tank 110 supplies the vaporized refrigerant to the condenser 200 via the gas refrigerant outflow pipe 160.
  • FIG. 2 is a cross-sectional view showing an example of the configuration of the gas-liquid separation tank 110 according to the first embodiment of the present invention.
  • the gas-liquid separation tank 110 is a sealed container capable of holding a refrigerant inside.
  • the gas-liquid separation tank 110 is connected to the condensed refrigerant inflow pipe 120 at the condensed refrigerant inflow portion 190 on the upper bottom surface or side surface.
  • the gas-liquid separation tank 110 is connected to the condensed refrigerant outflow pipe 130 at the condensed refrigerant outflow portion 210 on the lower bottom surface of the gas-liquid separation tank 110.
  • Condensed refrigerant outflow pipe 130 is connected to the bottom of heat receiving unit 140.
  • the condensed refrigerant inflow portion 190 passes through the upper bottom surface or side surface of the gas-liquid separation tank 110 and is provided so that the lower end of the condensed refrigerant inflow portion 190 is at a position lower than the liquid surface of the condensed refrigerant 7.
  • the condensed refrigerant inflow portion 190 allows the condensed refrigerant 7 to flow into the gas-liquid separation tank 110 from above.
  • the condensed refrigerant outflow portion 210 opens at the lower bottom surface of the gas-liquid separation tank 110 and causes the condensed refrigerant 7 to flow out downward.
  • the heat receiving unit 140 is connected to the gas-liquid mixed refrigerant inflow pipe 150 at the top.
  • the gas-liquid mixed refrigerant inflow pipe 150 is connected to a gas-liquid mixed refrigerant inflow part 170 on the lower bottom surface of the gas-liquid separation tank 110.
  • the gas-liquid mixed refrigerant inflow portion 170 passes through the lower bottom surface of the gas-liquid separation tank 110 and has an upper end inside the gas-liquid separation tank 110.
  • the gas-liquid mixed refrigerant inflow portion 170 is expanded in the gas-liquid separation tank 110 so that the inner diameter of the upper end increases as it goes upward. That is, the gas-liquid mixed refrigerant inflow portion 170 allows the gas-liquid mixed two-phase flow 8 to flow from below, and jets the gas refrigerant 10 of the gas-liquid mixed two-phase flow 8 that has flowed upward. Then, the gas-liquid mixed refrigerant inflow portion 170 ejects the liquid refrigerant 9 of the gas-liquid mixed two-phase flow 8 that has flowed in toward the wall surface of the gas-liquid separation tank 110.
  • the gas-liquid separation tank 110 has a gas refrigerant outflow portion 180 coaxially with the gas / liquid mixed refrigerant inflow portion 170.
  • a gas refrigerant outflow pipe 160 is connected to the gas refrigerant outflow portion 180.
  • the gas refrigerant outflow portion 180 opens at the upper bottom surface of the gas-liquid separation tank 110 and causes the gas refrigerant 10 to flow out upward.
  • the bottom of the gas-liquid separation tank 110 is filled with the condensed refrigerant 7. Further, the upper end of the gas-liquid mixed refrigerant inflow portion 170 is installed at a position higher than the liquid level of the condensed refrigerant 7.
  • the condensed refrigerant 7 is in a state where the inside of the heat receiving unit 140 and a part of the gas-liquid mixed refrigerant inflow pipe 150 are filled (condensation in the gas-liquid separation tank 110).
  • the liquid level of the refrigerant 7 is the lowest position (liquid level Low level).
  • the amount of refrigerant and the penetration length of the condensed refrigerant inflow portion 190 to the gas-liquid separation tank 110 are such that the lower end of the condensed refrigerant inflow portion 190 does not come out of the liquid surface of the condensed refrigerant 7. It will be decided. The reason is that if the lower end of the condensed refrigerant inflow portion 190 is exposed from the liquid surface of the condensed refrigerant 7, the refrigerant is stopped from circulating as a result of the gas refrigerant 10 flowing backward through the condensed refrigerant inflow portion 190.
  • the operation of the cooling target device is started in the state of the liquid level Low, and then the heat receiving unit 140 receives the maximum amount of heat. Then, the inside of heat receiving part 140 and the inside of gas-liquid mixed refrigerant inflow piping 150 will be in a gas-liquid mixed state. Then, the condensed refrigerant 7 expelled excessively accumulates in the gas-liquid separation tank 110. In this state, the liquid level of the condensed refrigerant 7 in the gas-liquid separation tank 110 is at the highest position (liquid level High level).
  • the penetration length of the gas-liquid mixed refrigerant inflow portion 170 to the gas-liquid separation tank 110 and the gas-liquid separation tank 110 are also prevented so that the condensed refrigerant 7 does not flow backward from the gas-liquid mixed refrigerant inflow pipe 150 even in the liquid level high level state. And the volume of is determined.
  • the heat receiving unit 140 When the heat receiving unit 140 receives the heat of the device to be cooled, the condensed refrigerant 7 boils inside the heat receiving unit 140, and as a result, steam is generated. And in the heat receiving part 140, a vapor
  • the gas-liquid mixed two-phase flow 8 is a mixture of the liquid refrigerant 9 and the gas refrigerant 10.
  • the gas-liquid mixed two-phase flow 8 flows into the gas-liquid separation tank 110 via the gas-liquid mixed refrigerant inflow pipe 150.
  • the liquid refrigerant 9 in the gas-liquid mixed two-phase flow 8 rises along the inner wall of the gas-liquid mixed refrigerant inflow portion 170. And since the gas-liquid mixed refrigerant inflow part 170 is expanded as it goes upward, the moving direction of the liquid refrigerant 9 gradually goes to the outside of the gas-liquid mixed refrigerant inflow part 170. Thereafter, the liquid refrigerant 9 is ejected from the upper end of the gas-liquid mixed refrigerant inflow portion 170 toward the outside of the gas-liquid mixed refrigerant inflow portion 170. The liquid refrigerant 9 collides with the upper bottom surface or the side surface in the gas-liquid separation tank 110 and then falls into the gas-liquid separation tank 110 by gravity. The liquid refrigerant 9 dropped into the gas-liquid separation tank 110 is mixed with the condensed refrigerant 7 and supplied to the heat receiving unit 140 via the condensed refrigerant outflow pipe 130.
  • the gas refrigerant 10 in the gas-liquid mixed two-phase flow 8 continues to rise straight after being ejected from the upper end of the gas-liquid mixed refrigerant inflow portion 170.
  • the gas refrigerant 10 is condensed by the condenser 200 and then returned to the gas-liquid separation tank 110 via the condensed refrigerant inflow pipe 120.
  • the gas-liquid mixed refrigerant inflow portion 170 and the gas refrigerant outflow portion 180 exist on the same axis. Further, the gas-liquid mixed refrigerant inflow portion 170 is expanded so that the inside diameter of the gas-liquid separation tank 110 increases as the inner diameter increases. Therefore, the gas-liquid separation tank 110 separates the liquid refrigerant 9 from the gas-liquid mixed two-phase flow 8 without disturbing the movement of the gas refrigerant 10. That is, the gas refrigerant 10 hardly receives pressure loss due to a change in the moving direction in the gas-liquid separation tank 110.
  • the cooling device 100 in the cooling device 100, a branch pipe is not necessary for connection between the condenser 200, the heat receiving unit 140, and the gas-liquid separation tank 110. Therefore, when the gas-liquid separation tank is introduced into the cooling device 100 using the phase change of the refrigerant, the cooling device 100 of the present embodiment suppresses pressure loss in the gas-liquid separation tank, and has a simple piping structure. There is an effect that can be compatible.
  • a plurality of gas-liquid separation tanks 110 and a plurality of heat receiving units 140 may be connected to one condenser 200.
  • one gas-liquid separation tank 110 and a plurality of heat receiving units 140 may be connected to one condenser 200.
  • one gas-liquid separation tank 110 and one heat receiving unit 140 may be connected to a plurality of condensers 200.
  • one gas-liquid separation tank 110 and a plurality of heat receiving units 140 may be connected to the plurality of condensers 200.
  • a second embodiment of the present invention based on the first embodiment of the present invention will be described.
  • the shape of the gas-liquid separation tank in the present embodiment is different from the shape of the gas-liquid separation tank in the first embodiment.
  • FIG. 3 is a cross-sectional view showing an example of the configuration of the gas-liquid separation tank according to the second embodiment of the present invention.
  • the cooling device 105 of the present embodiment includes a condenser 200, a heat receiving unit 140, and a gas-liquid separation tank 115.
  • the gas-liquid separation tank 115 has a straight pipe-shaped gas-liquid mixed refrigerant inflow portion 175 instead of the gas-liquid mixed refrigerant inflow portion 170 of the first embodiment.
  • the gas-liquid separation tank 115 is parallel to the gas-liquid mixed refrigerant inflow portion 175 in place of the gas refrigerant outflow portion 180 that is coaxial with the gas-liquid mixed refrigerant inflow portion 170 of the first embodiment.
  • the gas refrigerant outflow portion 185 is shifted.
  • the gas-liquid mixed two-phase flow 8 rises in the gas-liquid mixed refrigerant inflow portion 175, collides with the upper bottom surface or side surface in the gas-liquid separation tank 115, and then falls into the gas-liquid separation tank 115 by gravity.
  • the liquid refrigerant 9 dropped into the gas-liquid separation tank 115 is mixed with the condensed refrigerant 7 and supplied to the heat receiving unit 140 via the condensed refrigerant outflow pipe 130.
  • the gas refrigerant 10 in the gas-liquid mixed two-phase flow 8 continues to rise obliquely upward after being ejected from the upper end of the gas-liquid mixed refrigerant inflow portion 175.
  • the gas refrigerant 10 is condensed by the condenser 200 and then returned to the gas-liquid separation tank 115 via the condensed refrigerant inflow pipe 120.
  • the axes of the gas-liquid mixed refrigerant inflow portion 175 and the gas refrigerant outflow portion 185 are deviated from those of the gas-liquid separation tank 110 of the first embodiment.
  • the pressure loss slightly increases.
  • the cooling device 105 of this embodiment has the same effect as the cooling device 100 of the first embodiment.
  • the gas-liquid mixed refrigerant inflow portion 170 has an expanded pipe shape
  • the gas-liquid separation tank 115 of the present embodiment the gas-liquid mixed refrigerant inflow portion 175 has It has a straight pipe shape.
  • the straight pipe shape is easier to machine than the expanded pipe shape. Therefore, the cooling device 105 of the present embodiment has an effect that the manufacturing cost can be further reduced as compared with the cooling device 100 of the first embodiment.
  • the cooling device in the present embodiment includes a plurality of heat receiving units.
  • FIG. 4 is a cross-sectional view showing an example of the configuration of the cooling device according to the third embodiment of the present invention.
  • FIG. 4 shows a case where there are four heat receiving units, the number of heat receiving units in the present embodiment may be an arbitrary number of two or more.
  • the cooling device 106 of the present embodiment includes a condenser 200, a plurality of heat receiving units 140, 141, ..., and a gas-liquid separation tank 110.
  • the cooling device 106 includes a condensed refrigerant outflow pipe 136 having a branched lower end side instead of the condensed refrigerant outflow pipe 130 of the first embodiment.
  • Each branch of the condensed refrigerant outflow pipe 136 is connected to each of the plurality of heat receiving units 140, 141,.
  • the cooling device 106 includes a gas-liquid mixed refrigerant inflow pipe 156 branched at the lower end side, instead of the gas-liquid mixed refrigerant inflow pipe 150 of the first embodiment.
  • Each branch of the gas-liquid mixed refrigerant inflow pipe 156 is connected to each of the plurality of heat receiving units 140, 141,.
  • the operation in the present embodiment is the same as that in the first embodiment except that the plurality of heat receiving units 140, 141,... Operate in parallel.
  • the cooling device 106 according to the present embodiment operates in the same manner as the cooling device 100 according to the first embodiment, except that the plurality of heat receiving units 140, 141,... Operate in parallel. To do. Therefore, the cooling device 106 according to the present embodiment has the same effects as the cooling device 100 according to the first embodiment.
  • one gas-liquid separation tank 110 and one condenser 200 are shared by a plurality of heat receiving units 140, 141,.
  • the cooling device 106 of this embodiment may include the gas-liquid separation tank 115 of the second embodiment instead of the gas-liquid separation tank 110.
  • the present invention can be used in applications for cooling an arbitrary heat source such as a semiconductor device, an electronic device, or a server.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

Le problème décrit par la présente invention est de produire un dispositif de refroidissement qui utilise le changement de phase d'un fluide frigorigène et qui, lors de l'introduction d'un réservoir de séparation gaz-liquide, permet à la fois la suppression de perte de pression dans le réservoir de séparation gaz-liquide et une structure de tuyauterie simple. La solution selon l'invention porte que un contenant étanche, pouvant contenir intérieurement un fluide frigorigène, pourvu : d'une entrée de fluide frigorigène condensé qui, au niveau de l'extrémité inférieure, passe à travers une surface de fond supérieure ou une surface latérale du contenant et permet l'écoulement entrant d'un fluide frigorigène à l'état condensé par au-dessus ; d'une sortie de fluide frigorigène condensé qui, au niveau de l'extrémité supérieure, s'ouvre dans la surface de fond inférieure du contenant et permet l'écoulement sortant de fluide frigorigène à l'état condensé vers le bas ; d'une entrée de fluide frigorigène mixte gaz-liquide qui, au niveau de l'extrémité supérieure, passe à travers la surface de fond inférieure, permet l'écoulement entrant du fluide frigorigène à l'état liquide-gaz mixte par en-dessous, et qui permet l'écoulement sortant de la partie à l'état gazeux du fluide frigorigène entrant vers le haut et l'écoulement sortant de la partie à l'état liquide du fluide frigorigène entrant vers la paroi du contenant ; et d'une sortie de fluide frigorigène gazeux qui est agencée dans une direction parallèle à l'entrée de fluide frigorigène mixte gaz-liquide, s'ouvre au niveau de l'extrémité inférieure dans la surface de fond supérieure, et permet l'écoulement sortant du fluide frigorigène à l'état gazeux vers le haut.
PCT/JP2018/008447 2017-03-08 2018-03-06 Dispositif de refroidissement et réservoir de séparation gaz-liquide Ceased WO2018164084A1 (fr)

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JP2017043526 2017-03-08
JP2017-043526 2017-03-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023107177A1 (fr) * 2021-12-10 2023-06-15 Microsoft Technology Licensing, Llc. Refroidissement d'ordinateur à deux phases passif
CN118434106A (zh) * 2024-07-03 2024-08-02 西安交通大学 一种用于航天器电子器件的自适应相变冷却系统

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223751U (fr) * 1975-08-09 1977-02-19
JPH0355443A (ja) * 1989-07-25 1991-03-11 Matsushita Electric Ind Co Ltd 暖房機
JPH0359322A (ja) * 1989-07-26 1991-03-14 Matsushita Electric Ind Co Ltd 暖房機
JPH0658653A (ja) * 1992-08-04 1994-03-04 Daikin Ind Ltd 気液分離器
JP2005147483A (ja) * 2003-11-14 2005-06-09 Tlv Co Ltd 気液分離器
CN101814469A (zh) * 2009-02-20 2010-08-25 王玉富 重力循环蒸发冷却半导体功率器件封装
WO2016047098A1 (fr) * 2014-09-26 2016-03-31 日本電気株式会社 Dispositif de relais de fluide frigorigène, dispositif de refroidissement utilisant ce dernier et procédé de refroidissement
WO2016063400A1 (fr) * 2014-10-23 2016-04-28 三菱電機株式会社 Séparateur d'huile

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223751U (fr) * 1975-08-09 1977-02-19
JPH0355443A (ja) * 1989-07-25 1991-03-11 Matsushita Electric Ind Co Ltd 暖房機
JPH0359322A (ja) * 1989-07-26 1991-03-14 Matsushita Electric Ind Co Ltd 暖房機
JPH0658653A (ja) * 1992-08-04 1994-03-04 Daikin Ind Ltd 気液分離器
JP2005147483A (ja) * 2003-11-14 2005-06-09 Tlv Co Ltd 気液分離器
CN101814469A (zh) * 2009-02-20 2010-08-25 王玉富 重力循环蒸发冷却半导体功率器件封装
WO2016047098A1 (fr) * 2014-09-26 2016-03-31 日本電気株式会社 Dispositif de relais de fluide frigorigène, dispositif de refroidissement utilisant ce dernier et procédé de refroidissement
WO2016063400A1 (fr) * 2014-10-23 2016-04-28 三菱電機株式会社 Séparateur d'huile

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023107177A1 (fr) * 2021-12-10 2023-06-15 Microsoft Technology Licensing, Llc. Refroidissement d'ordinateur à deux phases passif
US11800691B2 (en) 2021-12-10 2023-10-24 Microsoft Technology Licensing, Llc Passive two-phase computer cooling
CN118434106A (zh) * 2024-07-03 2024-08-02 西安交通大学 一种用于航天器电子器件的自适应相变冷却系统

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