WO2005024331A1 - ループ型サーモサイフォン、スターリング冷却庫ならびに冷却装置 - Google Patents
ループ型サーモサイフォン、スターリング冷却庫ならびに冷却装置 Download PDFInfo
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- WO2005024331A1 WO2005024331A1 PCT/JP2004/011600 JP2004011600W WO2005024331A1 WO 2005024331 A1 WO2005024331 A1 WO 2005024331A1 JP 2004011600 W JP2004011600 W JP 2004011600W WO 2005024331 A1 WO2005024331 A1 WO 2005024331A1
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- pipe
- condenser
- evaporator
- working fluid
- loop
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Classifications
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- 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
- F28D15/0266—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 with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
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- 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
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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
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- 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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
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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
- F25B23/00—Machines, plants or systems, with a single mode of operation not covered by groups F25B1/00 - F25B21/00, e.g. using selective radiation effect
- F25B23/006—Machines, plants or systems, with a single mode of operation not covered by groups F25B1/00 - F25B21/00, e.g. using selective radiation effect boiling cooling systems
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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
- F25B2500/00—Problems to be solved
- F25B2500/01—Geometry problems, e.g. for reducing size
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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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/14—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
- F25D2317/0682—Two or more fans
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- 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
- F28D2015/0216—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 having particular orientation, e.g. slanted, or being orientation-independent
Definitions
- the present invention relates to a loop-type thermosiphon, a Stirling cooler equipped with the loop-type thermosiphon, and a cooling device including a Stirling refrigerator.
- a heat radiating system for radiating heat generated by a heat source As a heat radiating system for radiating heat generated by a heat source, a heat radiating system using a heat sink, a heat pipe, a thermosiphon, or the like is known.
- a heat dissipation system using a heat sink In a heat dissipation system using a heat sink, a remarkable temperature distribution occurs in the heat sink attached to the heat source. Therefore, the further away from the heat source, the less the heat contributes to the heat dissipation, and the improvement of the heat dissipation performance is naturally limited.
- heat dissipation systems that use heat pipes or thermosiphons transfer the heat generated by the heat source using a working fluid, and therefore have a very high heat transfer capability compared to a heat sink. Can be maintained.
- a heat pipe is a capillary-force-driven heat transport device that circulates a working fluid by using a wick capillary force arranged in a closed circuit.
- Thermosiphons are gravity-driven heat transport devices that use the density difference of the working fluid caused by the evaporation and condensation of the working fluid.
- a loop-type thermosiphon is a thermosiphon configured to circulate a working fluid in a closed circuit configured in a loop.
- thermosiphon a general loop-type thermosiphon will be described as a first conventional example.
- FIG. 17A and 17B are schematic views showing the structure of a loop type thermosiphon in the first conventional example, of which FIG. 17A is a view of the loop type thermosiphon seen from the front, and FIG. 17B is a side view.
- FIG. 17A is a view of the loop type thermosiphon seen from the front
- FIG. 17B is a side view.
- loop thermosiphon 1001 includes an evaporator 110 for removing heat from a heat source and a condenser 1301 for releasing heat to the outside.
- the evaporator 110 and the condenser 1301 are connected by a feed pipe 120 and a return pipe 140.
- the evaporator 110, the feed pipe 120, the condenser 1301 and the return pipe 140 form a closed circuit.
- the condenser 1301 is provided at a position higher than the evaporator 110.
- the working fluid evaporated by removing heat from the heat source in the evaporator 110 rises against the gravity due to the vapor pressure difference between the evaporator 110 and the condenser 1301, and passes through the feed pipe 120 to the condenser. Introduced in 1301.
- the working fluid cooled and condensed in the condenser 1301 falls by gravity and is introduced into the evaporator 110 through the return pipe 140.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2003-50073
- Patent Document 2 Japanese Patent Application Laid-Open No. 2001-33139
- Patent Document 3 JP-A-2003-302117
- FIG. 20 is a side view showing a schematic configuration of a cooling device in a second conventional example.
- the cooling device 50 is provided with a low-temperature side cold transfer cycle 5 for taking out the cold generated in the Stirling refrigerator 1 and a high-temperature side heat transfer cycle 4 for releasing the hot heat to the outside.
- the Stirling refrigerator 1 has a low-temperature section 3 that absorbs heat during expansion of a working medium (for example, helium) enclosed therein and generates cold heat, and a high-temperature section 2 that generates warm heat during expansion of the working medium. .
- a working medium for example, helium
- the low-temperature refrigerated heat transfer cycle 5 is generally formed by a low-temperature condenser 12 attached in contact with the periphery of the low-temperature section 3, and a condensate-side refrigerant pipe 13 and a vapor-side refrigerant pipe 14.
- This is a circulation circuit composed of a warm side condenser 12 and a low temperature side evaporator 15 connected to the warm side condenser 12.
- carbon dioxide, hydrocarbons, etc. are enclosed as a refrigerant, and a thermosynphone is formed in the circulation circuit.
- the low-temperature side evaporator 15 is provided with a plurality of flat plate fins 16 for increasing the heat exchange area.
- the low-temperature side evaporator 15 is installed at a position lower than the low-temperature side condenser 12 so that natural circulation by evaporation and condensation of the refrigerant can be used.
- a drain plate 17 is provided below the low-temperature side evaporator 15, and receives and stores drain water that has condensed and falls on the surface of the low-temperature side evaporator 15.
- the high-temperature side heat transfer cycle 4 is composed of a thermosynphone using a natural refrigerant such as water or a hydrocarbon, and is generally composed of a high-temperature side evaporator attached to the high-temperature section 2 of the Stirling refrigerator 1. And the high temperature that is located higher than the high-temperature side evaporator 6 and condenses natural refrigerant
- the circulation circuit includes a side condenser 8, a vapor side refrigerant pipe 7 for connecting the high temperature side evaporator 6, and the high temperature side condenser 8 to circulate the refrigerant, and a condensed liquid side refrigerant pipe 11.
- a natural refrigerant such as water (including an aqueous solution) or a hydrocarbon is sealed as a refrigerant.
- a natural refrigerant such as water (including an aqueous solution) or a hydrocarbon
- water (including an aqueous solution) or hydrocarbon is sealed as a refrigerant.
- the condensate-side refrigerant pipe 11 is connected to the uppermost end of the high-temperature side evaporator 6 in order to facilitate natural circulation by evaporation and condensation of the refrigerant.
- a plurality of flat fins 18 are attached to the high-temperature side condenser 8 in order to increase the heat exchange area.
- a pair of radiating fans 19 is provided behind the high-temperature side condenser 8, and the heat radiating fans 19 discharge heat to the outside.
- FIG. 21 is a perspective view showing a specific structure of a high-temperature-side heat transfer cycle in the cooling device in the second conventional example.
- the high-temperature side evaporator 6 forms a ring as a whole, but adopts a structure in which the two half-rings 6A and 6B are merged in the diameter direction in consideration of the convenience of attachment to the high-temperature section 2 of the Stirling refrigerator 1. Have been.
- the surfaces corresponding to both ends of the arc of each semi-ring 6A , 6B are closed.
- the half-rings 6A and 6B are vertically combined with the periphery of the high-temperature portion 2 and are connected at their lower ends by a U-shaped communication pipe 6C.
- the refrigerant condensate inside the half-rings 6A, 6B flows back and forth through the communication pipe 6C and is mixed.
- the vapor-side refrigerant pipe 7 is composed of two vertical pipes 7A and 7B connected to the half-ring bodies 6A and 6B of the high-temperature side evaporator 6, and a horizontal pipe connected to both vertical pipes 7A and 7B. 7C (also called “header tube”).
- the vertical pipes 7A and 7B vertically connect the upper end portions of the outer peripheral surfaces of the semi-annular bodies 6A and 6B and the lowermost part of the horizontal pipe 7C.
- the horizontal pipe 7C is closed at both ends in the longitudinal direction, and is arranged in a direction perpendicular to the axis of the stirling refrigerator 1 and in a horizontal direction.
- the condensate-side refrigerant pipe 11 also has the same configuration as the vapor-side refrigerant pipe 7, but the horizontal pipe 7C of the vapor-side refrigerant pipe 7 that constitutes the thermosiphon is the same as the condensate-side refrigerant pipe 11
- the vapor-side refrigerant pipe 7 has a relatively larger diameter than the condensate-side refrigerant pipe 11 for both the vertical and horizontal pipes. Tubes are used.
- the high-temperature side condenser 8 is disposed parallel to the longitudinal direction of the horizontal tubes 7C and 11C, that is, the horizontal direction. It consists of six coiled tubes 8A-8F. One end of each flexible tube 8A-8F is connected to the horizontal tube 7C, and the other end is connected to the horizontal tube 11C. The entire flexible tube is equally connected between the horizontal tubes 7C and 11C in the longitudinal direction. are doing.
- the plurality of flat fins 18 are arranged in parallel with the straight portion of the flexible tube 8A-8F, and are thermally coupled to the straight portion.
- the heat generated in the high temperature section 2 is transmitted from the periphery of the high temperature section 2 to the high temperature side evaporator 6, and evaporates the refrigerant stored in the half-rings 6A, 6B.
- the evaporated refrigerant vapor rises in the vertical pipes 7A and 7B of the vapor-side refrigerant pipe 7, respectively, merges in the horizontal pipe 7C, and then branches and flows into six flexible pipes 8A to 8F.
- the refrigerant vapor flows through the high-temperature side condenser 8 installed at a position higher than the high-temperature side evaporator 6, exchanges heat with the ambient atmosphere via the plate fins 18, and is condensed to be a refrigerant condensate. .
- the refrigerant condensate (or refrigerant condensate in which a gas is mixed) merges in the horizontal pipe 11C of the condensate-side refrigerant pipe 11, further branches off into the vertical pipes 11A and 11B, flows down, and flows into the high-temperature side. It is returned to the evaporator 6 and is again evaporated by the heat of the high temperature section 2. In this way, by utilizing the latent heat in the evaporation and condensation of the refrigerant, a much larger heat transfer amount can be obtained than with sensible heat, so that the heat exchange efficiency is greatly increased.
- the driving force for circulating the refrigerant is determined by the altitude difference due to the vertical arrangement of the high-temperature side condenser 8 and the high-temperature side evaporator 6 and the pressure difference caused by the specific gravity difference between gas and liquid. Is obtained. Therefore, since the refrigerant can be circulated without external power such as a pump, energy can be saved.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2003-50073
- Patent Document 2 JP 2001-33139 A
- Patent Document 3 JP 2003-302117 A
- the condenser 1301 is often manufactured as a unit as an assembly combining various pipes and radiation fins.
- the feed pipe 120 shunts the working fluid introduced by the feed pipe 120.
- Pipe-side mother pipe (feed pipe-side header pipe) 131, return pipe-side mother pipe (return pipe-side header pipe) 132 for rejoining the divided working fluids, and these feed pipe-side mother pipe 131 and return pipe-side mother pipe A plurality of parallel pipes 133 (see FIG. 18) connected to the pipes 132 and arranged in parallel with each other, and radiation fins (not shown) assembled to contact the plurality of parallel pipes 133. It is manufactured as an assembly consisting of
- each of the plurality of parallel pipes 133 includes a plurality of linearly extending portions 134a and 134d extending linearly in one direction in a plurality of stages in the vertical direction (the parallel pipes shown in FIG. 18). (Four stages) in parallel, and the straight portions 134a and 134d are connected by curved portions 135a and 135c. That is, each of the plurality of parallel pipes 133 is configured as a meandering pipe as shown in FIG.
- the reason why the plurality of straight sections 134a 134d are stacked in parallel with each other is mainly from the viewpoint of ease of assembly work, and it is necessary to secure the maximum heat transfer area with a small space. You can do it.
- the condenser 1301 composed of the assembly having the above-described configuration is installed on the bottom surface 301 of the housing 300 of a device (for example, a Stirling cooler) on which the loop thermosiphon 1001 is mounted. You. At this time, the condenser 1301 composed of an assembly is installed so as to be parallel to the bottom surface 301 of the housing 300.
- a device for example, a Stirling cooler
- the condenser 1301 When the condenser 1301 is installed in such a state, the working fluid condensed and liquefied in the lowermost straight portion 134d of the condenser 1301 flows backward by gravity and is located at the lowermost position. This stays on the curved portion 135c side of the rectilinear portion 134d. Since this condensed working fluid 502 does not flow into the return pipe side mother pipe 132, it gradually increases with the operation of the device, and finally the condensed working fluid 502 is condensed to a state where the parallel pipe 133 is closed. The liquid level 503 will rise.
- the cooling device 50 including the Stirling refrigerator 1 in the second conventional example described above is assembled independently, and then mounted on a refrigerator (not shown) and shipped as a product. At this time, the cooling device 50 is incorporated so that the horizontal pipes 7C and 11C are horizontal when the refrigerator is installed in a horizontal place.
- the present invention is to provide a no-rap thermosyphon capable of preventing malfunctions regardless of the installation state, and a Stirling cooler provided with the loop-type thermosiphon.
- Another object of the present invention is to provide a cooling device that can stably circulate a refrigerant in a high-temperature side heat transfer cycle of a Stirling refrigerator even if the cooling device is inclined.
- the loop-type thermosiphon based on the first aspect of the present invention is mounted on a housing of a device having a heat source.
- mounted means that the entire loop-type thermosiphon is a housing. And the case where a part of the loop type thermosiphon is exposed and mounted on the outside of the housing.), And the working fluid sealed in the closed circuit is not included. Used to radiate heat from the heat source to the outside.
- the closed circuit includes an evaporator, a condenser, a feed pipe, and a return pipe.
- the evaporator is a part that removes heat from the heat source and evaporates the working fluid
- the condenser is a part that condenses the working fluid evaporated by the evaporator.
- the feed pipe is a part for introducing the working fluid evaporated in the evaporator to the condenser
- the return pipe is a part for introducing the working fluid condensed in the condenser to the evaporator.
- the condenser has a meandering pipe in which straight-moving portions extending in one direction are vertically stacked in a plurality of stages, and the straight-moving portions stacked in a plurality of stages are connected by a curved portion.
- the lowermost straight part of the straight part of the meandering pipe is arranged to be inclined in such a direction that the distance from the bottom surface of the housing decreases toward the return pipe.
- the loop-type thermosiphon based on the second aspect of the present invention is mounted on the housing of a device having a heat source, and uses a working fluid sealed in a closed circuit to transfer heat from the heat source to the outside. To dissipate heat.
- the closed circuit includes an evaporator, a condenser, a feed pipe, and a return pipe.
- the evaporator is a part that removes heat from the heat source and evaporates the working fluid
- the condenser is a part that condenses the working fluid evaporated by the evaporator.
- the feed pipe is a part for introducing the working fluid evaporated in the evaporator to the condenser
- the return pipe is a part for introducing the working fluid condensed in the condenser to the evaporator.
- the condenser comprises an assembly including a feed pipe side mother pipe, a return pipe side mother pipe, and a plurality of parallel pipes.
- the feed pipe side main pipe is connected to the feed pipe, and is a part that divides the introduced working fluid.
- the return pipe-side mother pipe is connected to the return pipe and is a part where the divided working fluids are joined.
- the plurality of parallel pipes connect the feed pipe side mother pipe and the return pipe side mother pipe and are arranged so as to be parallel to each other.
- Each of the parallel pipes is constituted by a meandering pipe in which straight portions extending in the first direction are vertically stacked in parallel in a plurality of stages and straight portions stacked in a plurality of stages are connected by a curved portion. Have been.
- the assembly is such that the lowermost straight part of the straight part of the meandering pipe is inclined in the direction in which the distance from the bottom surface of the housing decreases toward the return pipe side mother pipe side.
- the overall power of the condenser consisting of is arranged at an angle to the bottom of the housing.
- the angle of inclination of the condenser which is composed of the assemblies arranged at an angle, with respect to the bottom surface of the housing is larger than 0 ° and equal to or smaller than 6 °. It is preferable that
- the return pipe-side mother pipe is arranged so as to be inclined in a direction in which the distance from the bottom surface of the housing decreases as going from the other end side opposite to the one end to the one end side. Is preferred.
- the loop-type thermosiphon based on the third aspect of the present invention is mounted on the housing of a device having a heat source, and externally transfers heat from the heat source using a working fluid sealed in a closed circuit.
- the closed circuit includes an evaporator, a condenser, a feed pipe, and a return pipe.
- the evaporator is a part that removes heat from the heat source and evaporates the working fluid
- the condenser is a part that condenses the working fluid evaporated by the evaporator.
- the feed pipe is a part for introducing the working fluid evaporated in the evaporator to the condenser
- the return pipe is a part for introducing the working fluid condensed in the condenser to the evaporator.
- the condenser comprises an assembly including a feed pipe side mother pipe, a return pipe side mother pipe, and a plurality of parallel pipes.
- the feed pipe side main pipe is connected to the feed pipe, and is a part that divides the introduced working fluid.
- the return pipe-side mother pipe is connected to the return pipe and is a part where the divided working fluids are joined.
- the plurality of parallel pipes connect the feed pipe side mother pipe and the return pipe side mother pipe and are arranged so as to be parallel to each other.
- the return pipe-side mother pipe extends in one direction, and the return pipe is connected near one end of the return pipe-side mother pipe extending in the one direction.
- the return pipe-side mother pipe is arranged so as to be inclined in a direction in which the distance from the bottom surface of the housing decreases from the other end located on the opposite side to the one end toward the one end.
- the loop-type thermosiphon based on the fourth aspect of the present invention is mounted on the housing of a device having a heat source, and receives heat from the heat source using a working fluid sealed in a closed circuit. Is radiated to the outside.
- the closed circuit includes an evaporator, a condenser, a feed pipe, and a return pipe.
- the evaporator is a part that removes heat from the heat source and evaporates the working fluid
- the condenser is a part that condenses the working fluid evaporated by the evaporator.
- the feed pipe is a part for introducing the working fluid evaporated in the evaporator to the condenser
- the return pipe is a part for introducing the working fluid condensed in the condenser to the evaporator.
- the condenser includes an assembly including a feed pipe side mother pipe, a return pipe side mother pipe, and a plurality of straight pipes.
- the feed pipe side main pipe is connected to the feed pipe, and is a part that divides the introduced working fluid.
- the return pipe-side mother pipe is connected to the return pipe and is a part where the divided working fluids are joined.
- the plurality of straight pipes connect the feed pipe side mother pipe and the return pipe side mother pipe, and are arranged in parallel with each other. Each of the straight pipes is arranged so as to be inclined in a direction in which the distance from the bottom surface of the housing decreases toward the return pipe side mother pipe side.
- the Stirling cooler according to the present invention is a Stirling cooler equipped with a Stirling refrigerator.
- the Stirling refrigerator includes one of the loop-type thermosiphons based on the above-described first to fourth aspects of the present invention. It is configured to exchange heat with the part.
- the cooling device includes a low-temperature side cold-heat transfer cycle for extracting cold generated in a low-temperature portion of the Stirling refrigerator and an external device that transfers the heat generated in the high-temperature portion of the Stirling refrigerator to the outside.
- a high-temperature-side heat transfer cycle that discharges heat to the high-temperature-side heat transfer cycle.
- a high-temperature side condenser arranged at a position.
- the high-temperature side evaporator and the high-temperature side condenser are connected by a vapor-side refrigerant pipe and a condensate-side refrigerant pipe to form a refrigerant circulation circuit, and the condensate-side refrigerant pipe is connected to the high-temperature side.
- the horizontal pipe is connected to one end and the other end. According to this configuration, even if the cooling device is inclined, the refrigerant condensate does not accumulate in the horizontal pipe of the high-temperature side heat transfer cycle.
- a horizontal pipe is connected to an upper end of the vertical pipe, and a high-temperature side evaporator is connected to a lower end thereof.
- the position of the direction does not always coincide between the horizontal tube and the high-temperature side evaporator. Therefore, the vertical pipe has an inclined portion having a downward slope.
- the safety standard for the installation location of the refrigerator is generally within 5 °, so the downhill slope of the vertical pipe slope above the horizontal level of the cooling device is set to 5 ° or more. By doing so, it is possible to maintain a downward slope even if the cooling device is inclined, and to prevent clogging of the refrigerant condensate.
- the cooling device includes a low-temperature-side cold transfer cycle for extracting cold generated in a low-temperature portion of the Stirling refrigerator and an external device that transfers the heat generated in the high-temperature portion of the Stirling refrigerator to the outside.
- a high-temperature-side heat transfer cycle that discharges heat to the high-temperature-side heat transfer cycle.
- a high-temperature side condenser arranged at a position, wherein the high-temperature side evaporator and the high-temperature side condenser are connected by a vapor-side refrigerant pipe and a condensate-side refrigerant pipe to form a refrigerant circulation circuit.
- the condensate-side refrigerant pipe includes a horizontal pipe with both ends closed to which the high-temperature side condenser is connected, and a pair of vertical pipes connecting the high-temperature side evaporator and the horizontal pipe in a vertical direction.
- the steam-side refrigerant pipe is A high-pressure side evaporator and a pair of vertical pipes connecting the high-temperature side evaporator and the horizontal pipe in a vertical direction, wherein the horizontal pipe of the vapor-side refrigerant pipe is connected to the condensate
- the vapor-phase refrigerant pipe is disposed at a position higher than the horizontal pipe of the side refrigerant pipe, and a charge pipe for deaeration is attached to the horizontal pipe of the vapor-side refrigerant pipe.
- thermosiphon for transferring heat generated in a high-temperature portion by driving a Stirling refrigerator to radiate heat to the outside.
- the condensate-side refrigerant pipe which serves as a path for allowing the refrigerant condensate to flow naturally to the high-temperature evaporator, is connected to a horizontal pipe with both ends closed at the outlet of the high-temperature condenser, and
- the pipe and the high-temperature side evaporator are constituted by a pair of vertical pipes which are connected in the vertical direction, and the upper end of each vertical pipe is connected to one end and the other end of the horizontal pipe. Therefore, even if the cooling device is tilted, the refrigerant can be circulated stably in the high-temperature side heat transfer cycle in which the refrigerant condensate does not accumulate in the horizontal pipe.
- FIG. 1 is a schematic perspective view showing an installation structure of a loop-type thermosiphon according to Embodiment 1 of the present invention.
- FIG. 2 is a schematic diagram showing a configuration of a condenser of the loop thermosiphon shown in FIG. 1.
- FIG. 3A is a schematic diagram showing an installation state of a condenser of the loop-type thermosiphon according to Embodiment 1 of the present invention, and is a view of the loop-type thermosiphon as viewed from the front.
- FIG. 3B is a schematic diagram showing an installation state of a condenser of the loop-type thermosiphon according to Embodiment 1 of the present invention, and is a view of the loop-type thermosiphon as viewed from a side.
- FIG. 4 is a view showing a flow of a working fluid in a case where the condenser is arranged to be inclined with respect to a horizontal plane in the first embodiment of the present invention.
- FIG. 5 is a diagram showing a flow of a working fluid when the condenser is arranged to be inclined with respect to a horizontal plane in the first embodiment of the present invention.
- FIG. 6A Installation of condenser for loop-type thermosiphon according to Embodiment 2 of the present invention It is the schematic diagram which shows a state, and is the figure which looked at the loop type thermosiphon from the front.
- FIG. 6B is a schematic diagram showing an installation state of a condenser of the loop-type thermosiphon according to Embodiment 2 of the present invention, and is a view of the loop-type thermosiphon as viewed from the side.
- FIG. 7A is a schematic diagram showing an installation state of a condenser of a loop-type thermosiphon according to Embodiment 3 of the present invention, and is a view of the loop-type thermosiphon as viewed from the front.
- FIG. 7B is a schematic diagram showing an installation state of a condenser of the loop-type thermosiphon according to Embodiment 3 of the present invention, and is a view of the loop-type thermosiphon as viewed from the side.
- FIG. 8 is a schematic diagram showing a configuration of a condenser of a loop-type thermosiphon according to Embodiment 4 of the present invention.
- FIG. 9 is a schematic diagram showing an installation state of a loop-type thermosiphon according to Embodiment 4 of the present invention, when the loop-type thermosiphon is viewed from a side.
- FIG. 10 is a schematic diagram showing a configuration of a loop-type thermosiphon according to a fifth embodiment of the present invention.
- FIG. 11 is a schematic diagram showing a configuration of a loop-type thermosiphon according to Embodiment 6 of the present invention.
- FIG. 12 is a schematic diagram showing a configuration of a loop-type thermosiphon according to Embodiment 7 of the present invention.
- FIG. 13 is a schematic diagram showing a configuration of a loop-type thermosiphon according to Embodiment 8 of the present invention.
- FIG. 14 is a schematic sectional view showing a structure of a Stirling cooler according to a ninth embodiment of the present invention.
- FIG. 15 is a perspective view showing a specific structure of a high-temperature side heat transfer cycle according to Embodiment 10 of the present invention.
- FIG. 16A is a front view of a high-temperature-side heat transfer cycle according to Embodiment 10 of the present invention.
- FIG. 16B is a side view of the high-temperature-side heat transfer cycle according to Embodiment 10 of the present invention.
- FIG. 17A is a schematic view showing the structure of an example loop-type thermosiphon in the first conventional example, and is a view of the loop-type thermosiphon as viewed from the front.
- FIG. 17B is a schematic view showing a structure of a loop type thermosiphon in the first conventional example. It is the figure which looked at the loop type thermosiphon from the side.
- FIG. 18 is a schematic diagram showing a configuration of a condenser of the loop type thermosiphon in the first conventional example shown in FIGS. 17A and 17B, showing a flow of a working fluid when the condenser is installed horizontally. is there.
- FIG. 19 is a view showing a flow of a working fluid when the condenser shown in FIG. 18 is arranged to be inclined with respect to a horizontal plane.
- FIG. 20 is a side view showing a schematic configuration of a cooling device in a second conventional example.
- FIG. 21 is a perspective view showing a specific structure of a high-temperature side heat transfer cycle of the cooling device in the second conventional example shown in FIG. 20.
- FIG. 22 is a front view of a main part of a high-temperature side heat transfer cycle in a state where the cooling device in the second conventional example shown in FIG. 20 is inclined.
- the Stirling refrigerator 200 is mounted on a support 250 and is supported by supports 254 a and 254 b provided on a bottom plate 252 of the support 250.
- a thermopile 100A is mounted on a support 250 and is supported by support portions 254a and 254c provided on a bottom plate 252 of the support 250.
- the Stirling refrigerator 200 and the loop-type thermosiphon 100A supported by the support 250 are installed in a housing of a predetermined device (for example, a refrigerator).
- the bottom plate 252 of the support 250 is installed so as to be parallel to the bottom surface of the housing of the device.
- Stirling refrigerator 200 includes pressure vessel 202. Inside the pressure container 202, a cylinder in which a piston and a displacer are fitted is provided. The inside of the cylinder is filled with a working medium such as helium. The space inside the cylinder is divided into a compression chamber and an expansion chamber by a piston and a displacer. A high temperature section 204 is provided around the compression chamber, and a low temperature section 206 is provided around the expansion chamber.
- the piston fitted in the cylinder is driven by a linear actuator and reciprocates in the cylinder.
- the displacer reciprocates in the cylinder with a certain phase difference from the reciprocation of the piston due to the pressure change caused by the reciprocation of the piston.
- the reciprocating motion of the piston and the displacer realizes a reverse Stirling cycle in the cylinder.
- the temperature of the high-temperature portion 204 provided to surround the compression chamber rises, and the low-temperature portion 206 provided to surround the expansion chamber is cooled to a very low temperature.
- loop type thermosiphon 100A Next, the structure and operation of loop type thermosiphon 100A will be described.
- the loop-type thermosiphon 100A includes an evaporator 110 and a condenser 130A.
- the evaporator 110 is arranged so as to be in contact with the high temperature part 204 of the Stirling refrigerator 200. This is a portion for removing heat generated in the high temperature section 204 and evaporating the working fluid filled in the evaporator 110.
- the condenser 130A is disposed at a higher position than the evaporator 110, and is a part that condenses the working fluid evaporated by the evaporator 110.
- the evaporator 110 and the condenser 130A are connected by a feed pipe 120 and a return pipe 140, and these form a closed circuit.
- the evaporator 110 is formed of two portions divided into an arc shape.
- condenser 130A includes a feed pipe side mother pipe (feed pipe side header pipe) 131, a return pipe side mother pipe (return pipe side header pipe) 132, and these feed pipes. It is configured as a unit as an assembly consisting of a plurality of parallel pipes 133 connecting the side pipe 131 and the return pipe 132, and radiation fins 136 provided in contact with the parallel pipe 133. .
- the feed pipe side mother pipe 131 is a distributor connected to the feed pipe 120 and diverting the introduced working fluid.
- the return pipe side mother pipe 132 is a header connected to the return pipe 140 and joining the divided working fluids.
- each parallel pipe 133 has a linearly extending portion 134a-134d extending linearly in a first direction (the direction of arrow A in the figure) (in the condenser 130A in the present embodiment). 4 stages) and curved portions 135a-135c connecting these straight portions 134a-134d.
- Each of the rectilinear portions 134a to 134d is vertically stacked in parallel, and the curved portions 135a to 135c connect the ends of the rectilinear portions 134a to 134d. That is, the condenser 130A has a configuration in which parallel pipes 133 formed of meandering pipes are arranged side by side. A plurality of heat radiation fins 136 are attached to the straight sections 134a to 134d of the plurality of parallel pipes 133.
- the working fluid evaporated by removing heat from the high temperature section 204 of the Stirling refrigerator 200 rises by gravity due to the vapor pressure difference between the evaporator 110 and the condenser 130A, and rises by the feed pipe. Introduced into condenser 130A through 120. The working fluid cooled and condensed in the condenser 130A falls by gravity, and is introduced into the evaporator 110 through the return pipe 140. By the convection action of the working fluid accompanied by the phase change as described above, the heat generated in the high-temperature portion 204 of the Stirling refrigerator 200 can be radiated to the outside.
- the installation state of condenser 130A of loop type thermosiphon 100A in the present embodiment will be described.
- the condenser 130A of the loop-type thermosiphon 100A in the present embodiment is disposed so as to be inclined with respect to the bottom surface 301 of the housing 300 of a device such as a refrigerator. I have. Specifically, the end of the condenser 130A where the return pipe side mother pipe 132 is located is closer to the bottom face 301 of the housing 300 than the end where the return pipe side mother pipe 132 is not located. The entire assembled condenser 130A is at an angle ⁇ ⁇ so that
- the straight-moving portion 134d located at the lowermost stage among the straight-moving portions 134a 134d of the parallel pipe 133 formed of the meandering pipe of the condenser 130A formed of an assembly is directed toward the return pipe-side mother pipe 132 side.
- the entire condenser 130A is arranged to be inclined at an angle ⁇ so that the condenser 130A is arranged to be inclined in a direction to reduce the distance from the bottom surface 301 of the housing 300.
- the inclination angle ⁇ of the condenser 130A with respect to 301 is preferably greater than 0 ° and 6 ° or less;
- the condenser 130A is about 3 °.
- it is possible to realize by adjusting the height of the support portion 254c of the support base 250 ( refer graph1).
- the condenser 130A is inclined at an angle ⁇ with respect to the bottom surface 301 of the housing 300.
- the loop-type thermosiphon 100A operates stably regardless of the installation state of the housing 300. The reason will be described below.
- the condenser 130A is tilted in advance by an angle ⁇ ⁇ ⁇ ⁇ with respect to the bottom surface 301 of the housing 300.
- the working fluid flowing in the parallel pipe 133 of the condenser 130A is condensed and liquefied mainly in the lowermost straight section 134d. Therefore, the working fluid liquefied in the straight part 134d flows toward the return pipe side mother pipe 132 side in the straight part 134d inclined by the action of gravity and flows out from the parallel pipe 133. As a result, the working fluid does not stay in the parallel pipe 133. As a result, a smooth flow of the working fluid is realized, and a stable loop The operation of the thermosyphon 100A is realized.
- a case is considered where the housing 300 of the device is installed to be inclined in the direction of arrow B in Fig. 3B.
- the condenser 130A after installation is at an angle ⁇ ⁇ ⁇ ⁇ with respect to the horizontal plane.
- the working fluid flowing in the parallel pipe 133 of the condenser 130A is mainly condensed and liquefied in the lowermost straight-moving portion 134d, so that the working fluid liquefied in the straight-moving portion 134d.
- a smooth flow of the working fluid is realized, and stable operation of the loop-type thermosiphon 100A is realized.
- the floor on which the equipment is installed is inclined by 3 ° or more.
- the housing of the equipment is installed with an inclination of 3 ° or more with respect to the horizontal floor. If the inclination angle ⁇ ⁇ with respect to the bottom surface 301 of the condenser 130A is set to about 3 °,
- the device housing 300 is angled in the direction of arrow C in FIG.
- the condenser 130A after installation is only at an angle ⁇ -a with respect to the horizontal plane.
- the working fluid liquefied in the rectilinear portion 134d flows in the rectilinear portion 134d toward the return pipe side mother pipe 132, flows and flows out of the parallel pipe 133. Therefore, the working fluid does not stay in the parallel pipe 133. As a result, a smooth flow of the working fluid is realized, and stable operation of the loop-type thermosiphon 100A is realized.
- the device housing 300 is angled in the direction of arrow C in FIG. 3B.
- the condenser 130A after the installation will be arranged horizontally.
- the working fluid flowing in the parallel pipe 133 of the condenser 130A is condensed and liquefied mainly in the straight portion 134d located at the lowest stage.
- the liquefied working fluid is returned to the return pipe side mother pipe 132 by the convection of the working fluid generated in the parallel pipe 133. And flows out of the parallel pipe 133. Therefore, the working fluid does not stay in the parallel pipe 133. As a result, a smooth flow of the working fluid is realized, and stable operation of the loop-type thermosiphon 100A is realized.
- the device housing 300 has an angle ⁇ in the direction of arrow C in FIG.
- the condenser 1 30A after the installation is at an angle ⁇
- the working fluid flowing in the parallel pipe 133 of the condenser 130A is condensed and liquefied mainly in the lowermost straight portion 134d.
- the working fluid liquefied in the straight part 134d flows through the straight part 134d inclined by the action of gravity toward the side opposite to the return pipe side mother pipe 132 side. Flowing.
- the liquefied working fluid 502 stays on the curved portion 135c side of the rectilinear portion 134d located at the lowermost stage.
- the condenser 130A is previously arranged at an angle to the bottom surface 301 of the housing 300, the condenser 130A is more inclined than when the condenser 130A is arranged parallel to the bottom surface 301 of the housing 300. , The possibility that the liquid level 503 of the working fluid 502 retained in the parallel pipe 133 closes the parallel pipe 133 is reduced. That is, as shown in FIG. 5, the upper part (point D in FIG. 5) of the parallel pipe 133 at the connection between the straight part 134d and the curved part 135c located at the bottom is the same as the straight part 134d located at the bottom.
- the parallel pipe 133 is not blocked by the working fluid 502 that has flowed back and stayed. As a result, the flow of the working fluid is not hindered, and as a result, a smooth flow of the working fluid is realized.
- the housing of the equipment is installed at an inclination of 3 ° or more with respect to the horizontal floor, so the inclination angle ⁇ ⁇ ⁇ ⁇ with respect to the bottom surface 301 of the condenser 130A is set to about 3 °. This is something like
- thermosiphon 100A It is almost impossible to fall into a state. Therefore, in most cases, stable operation of the loop-type thermosiphon 100A is realized.
- the condenser composed of the assembly in advance in the predetermined direction at a predetermined angle as in the present embodiment, the loop-type thermosiphon caused by the installation state No malfunction occurs, and a stable operation of the loop-type thermosiphon is realized.
- the Stirling refrigerator can be prevented from being damaged due to unexpected operation failure, and the high temperature part of the Stirling refrigerator can be cooled stably. Will be realized.
- Loop type thermosiphon 100B in the present embodiment is different from Embodiment 1 described above. Similarly, it is used as a high-temperature side heat transfer system of a Stirling refrigerator. Therefore, the same portions as those in the first embodiment are denoted by the same reference numerals in the drawings, and description thereof will not be repeated here.
- the condenser 130B of the loop-type thermosiphon 100B in the present embodiment is similar to the condenser 130A of the loop-type thermosiphon 100A in the first embodiment described above.
- a feed pipe side main pipe 131, a return pipe side main pipe 132, a plurality of parallel pipes 133 connecting the feed pipe side main pipe 131 and the return pipe side main pipe 132, and a parallel pipe 133 are provided.
- the heat radiation fins 136 are formed as a unit as an assembly.
- the return pipe-side mother pipe 132 moves in the second direction (the direction of the arrow E in the figure) intersecting with the first direction (the direction of the arrow A in the figure) which is the direction of extension of the straight section of the parallel pipe 133. Extending.
- the return pipe 140 is connected near one end of a return pipe-side mother pipe 132 extending in one direction.
- the condenser 130B is arranged to be inclined with respect to the bottom surface 301 of the housing 300 of a device such as a refrigerator. Specifically, one end where the return pipe 140 is connected to the bottom surface 301 of the housing 300 is arranged at a position closer to the other end which is the end opposite to the one end. The entire condenser 130B composed of the assembly is disposed at an angle ⁇ .
- the return pipe-side mother pipe 132 of the condenser 130A having the assembly power moves from the other end side opposite to the one end to which the return pipe 140 is connected toward the one end side.
- the entire condenser 130B is arranged to be inclined at an angle ⁇ so that the condenser 130B is arranged to be inclined in a direction in which the distance from the bottom surface 301 of the 300 is reduced.
- the inclination angle ⁇ of the condenser 130B with respect to the bottom surface 301 of the casing 300 is not particularly limited, but is preferably about several degrees to about ten degrees.
- the condenser 130B is disposed at an angle ⁇ with respect to the bottom surface 301 of the casing 300, and the return pipe side mother pipe 132 having a smaller distance from the bottom face 301 of the casing 300 is disposed.
- a stable loop Type thermosiphon 100B operates. The reason is explained below.
- the working fluid condensed and liquefied in the plurality of parallel pipes 133 flows from each of the parallel pipes 133 into the return pipe-side mother pipe 132 and merges.
- the working fluid merged in the return pipe side mother pipe 132 is introduced into the evaporator 110 via the return pipe 140.
- the return pipe-side mother pipe 132 when the return pipe-side mother pipe 132 is arranged parallel to the bottom surface 301 of the casing 300, the return pipe may vary depending on the installation state of the casing 300 with respect to the floor surface and the inclination of the floor surface.
- the side mother pipe 132 is not necessarily arranged horizontally.
- a configuration in which the return pipe 140 is connected to the central portion of the return pipe side main pipe 132 where the distance from each parallel pipe 133 is the shortest is adopted. In particular, it was designed so that the flow of the working fluid was not hindered.
- loop type thermosiphon 100B of the present embodiment return pipe side main pipe 132 is previously arranged so as to be inclined with respect to bottom face 301 of casing 300 of the device, and the distance from bottom face 301 is further reduced.
- return pipe 140 By connecting the return pipe 140 to the end of the smaller return pipe side mother pipe 132, a smooth flow of the working fluid is realized.
- a malfunction of the loop-type thermosiphon caused by the installation state does not occur, and a stable operation of the loop-type thermosiphon can be realized.
- the loop-type thermosiphon 100C in the present embodiment is used as a high-temperature side heat transfer system of a Stirling refrigerator similar to the first or second embodiment. Therefore, the same parts as those in the above-described first or second embodiment are denoted by the same reference numerals in the drawings. Numbers are added and the description is not repeated here.
- the condenser 130C of the loop-type thermosiphon 100C in the present embodiment is different from the condensers of the loop-type thermosiphons 100A and 100B in the first or second embodiment described above.
- An assembly composed of the radiation fins 136 provided in contact with the tube 133 is configured as a unit.
- the straight part 134a, 134d of the parallel pipe 133 formed of a meandering pipe has a casing 300 with a direct force toward the return pipe-side mother pipe 132 side.
- the entire condenser 130A is arranged to be inclined by an angle ⁇ so that the condenser 130A is arranged to be inclined so as to decrease the distance from the bottom surface 301 of the condenser 130A.
- the return pipe-side mother pipe 132 moves from the other end, which is opposite to the one end to which the return pipe 140 is connected, toward the one end, and the casing is closed.
- the entire condenser 130B is arranged to be inclined at an angle 300 so that the condenser 130B is arranged to be inclined in a direction in which the distance from the bottom surface 301 of the 300 is reduced.
- the loop-type thermosiphon 100D according to the present embodiment is used as a high-temperature side heat transfer system of a Stirling refrigerator similarly to the above-described Embodiments 13 to 13. Therefore, the same portions as those in the above-described Embodiments 13 are denoted by the same reference numerals in the drawings, and description thereof will not be repeated here.
- each of a plurality of parallel pipes 133 moves in the first direction (direction of arrow A in the figure).
- the straight sections 134a and 134e extending linearly are connected to these straight sections 134a and 134e.
- Each of the rectilinear portions 134a-134e is arranged in parallel in the vertical direction (five stages in the condenser 130D in the present embodiment), and the curved portions 135a-135d are formed of the rectilinear portions 134a-134e. The ends are connected.
- the condenser 130D has a configuration in which parallel pipes 133 formed of meandering pipes are arranged side by side. A plurality of radiation fins 136 are attached to the straight sections 134a-134e of the plurality of parallel pipes 133.
- the straight part 134a 134e of the parallel pipe 133 composed of a meandering pipe is inclined in the direction in which the distance from the bottom surface 301 of the housing 300 decreases as the directional force is applied to the return pipe side mother pipe 132 side. It will be arranged in a position.
- the condenser 130D in order to install the condenser 130D in such a manner as to be inclined with respect to the bottom surface 301 of the housing 300, for example, it is possible to adjust the height of the support portion 254c of the support base 250 ( refer graph1).
- the loop-type thermosiphon 100E according to the present embodiment is used as a high-temperature side heat transfer system of a Stirling refrigerator in the same manner as in Embodiment 14 described above. Therefore, the same portions as those in the above-described Embodiment 14 are denoted by the same reference numerals in the drawings, and description thereof will not be repeated here.
- each of the plurality of parallel pipes 133 is connected to the bottom surface 301 of the housing 300 of the device.
- a linear portion 1 34a 134c extending linearly in a first direction (the direction of arrow A in the figure), which is a parallel direction, and is positioned at the lowermost position so as to be inclined with respect to the bottom surface 301 of the device housing 300.
- a curved portion 135a-135c connecting these straight portions 134a-134d.
- Each of the rectilinear portions 134a to 134d has their ends connected by curved portions 135a to 135c.
- a plurality of radiating fins 136 are attached to the straight portions 134a and 134d of the plurality of parallel pipes 133.
- the rectilinear portion 134d located at the lowermost stage of the condenser 130E is arranged to be inclined in the direction in which the distance from the bottom surface 301 of the housing 300 decreases as the direction of the force increases toward the return pipe side mother pipe 132 side. ing. That is, the rectilinear portion 134d located at the lowermost stage is arranged at an angle ⁇ with respect to the bottom surface 301 of the housing 300.
- the working fluid flowing in the parallel pipe 133 of the condenser 130E is condensed and liquefied mainly in the lowermost straight portion 134d.
- the working fluid liquefied in the straight part 134d flows through the straight part 134d, which is inclined by the action of gravity, toward the return pipe side mother pipe 132, and flows out of the parallel pipe 133. I do. Therefore, the liquefied working fluid does not stay in the parallel pipe 133.
- a smooth working fluid can be supplied regardless of the installation state of the housing. Flow is realized, and stable operation of the loop-type thermosiphon 100E is realized.
- the loop-type thermosiphon 100F according to the present embodiment is used as a high-temperature side heat transfer system of a Stirling refrigerator in the same manner as in Embodiment 15 described above. Therefore, the same portions as those in the above-described Embodiment 15 are denoted by the same reference numerals in the drawings, and description thereof will not be repeated here.
- each of the plurality of parallel pipes 133 includes straight portions 134a and 134d extending linearly and these straight portions 134a and 134d. It is constituted by curved portions 135a and 135c connecting the portions 134a and 134d.
- Each of the straight sounds B134a-134e has a curved shape.
- ⁇ 135a-135c Thius, the ends thereof are connected to each other.
- a plurality of heat dissipating fins 136 are provided in the straight portions 134a 134e of the plurality of parallel pipes 133. It is attached.
- each straight part 134a-134d of the condenser 130E is arranged in the flow direction of the working fluid.
- the device is arranged so that the distance from the upstream side to the downstream side (that is, from the feed pipe side main pipe 131 side to the return pipe side main pipe 132 side) decreases as the distance to the bottom surface 301 of the housing 300 of the device decreases.
- the rectilinear portion 134d located at the lowermost stage is disposed at an angle ⁇ with respect to the bottom surface 301 of the housing 300.
- the working fluid flowing in the parallel pipe 133 of the condenser 130E is condensed and liquefied mainly in the straight portion 134d located at the lowest stage.
- the working fluid may also condense and liquefy in the straight sections 134a and 134c located above the lowest straight section 134d due to changes in the environmental temperature and the like. Therefore, the working fluid condensed and liquefied in the rectilinear portions 134a and 134d flows toward the return pipe side mother pipe 132 side in the rectilinear portions 134a and 134c arranged obliquely by the action of gravity.
- the loop-type thermosiphon 100G according to the present embodiment is used as a high-temperature side heat transfer system of a Stirling refrigerator in the same manner as in Embodiment 16 described above. Therefore, the same portions as those in the above-described Embodiments 11 to 16 are denoted by the same reference numerals in the drawings, and description thereof will not be repeated here.
- feed pipe side mother pipe 131 extending in the vertical direction and return pipe side mother pipe also extending in the vertical direction 132, and a plurality of parallel pipes 133 connecting the feed pipe side mother pipe 131 and the return pipe side mother pipe 132.
- Each of the plurality of parallel pipes 133 is a straight pipe extending in a straight line, and the plurality of straight pipes are stacked in parallel in the vertical direction to configure a condenser 130G.
- a plurality of radiation fins 136 are attached to the plurality of parallel tubes 133.
- the extending direction of the feed pipe side main pipe 131 and each parallel pipe 1 The direction of extension of the parallel pipes 33 is orthogonal to the direction of extension of the parallel pipes 133 and the direction of extension of the return pipe-side mother pipe 132 is orthogonal to the direction of extension.
- each parallel pipe 133 of condenser 130G is connected from the upstream side to the downstream side (that is, the feed pipe side mother pipe) in the flow direction of the working fluid. From the 131 side to the return pipe side main pipe 132 side), the entire condenser 130G is arranged so as to be inclined so as to decrease the distance from the bottom surface 301 of the equipment casing 300 to the equipment casing 300. At an angle ⁇ with respect to the bottom surface 301
- the working fluid force condensed and liquefied in the parallel pipe 133, and the entirety of the condenser 130G is previously set so as to flow through the parallel pipe 133 toward the return pipe side mother pipe 132 by the action of gravity.
- the stagnation of the working fluid in the parallel pipe 133 is avoided. Accordingly, a smooth flow of the working fluid is realized regardless of the installation state of the housing 300, and a stable operation of the loop-type thermosiphon 100G is realized.
- a condenser in which the feed pipe side mother pipe and the return pipe side mother pipe are arranged to extend in the vertical direction has been described as an example.
- the side mother pipe and the return pipe may be arranged so that the side mother pipe extends in the horizontal direction.
- the straight pipes which are parallel pipes connecting the feed pipe side mother pipe and the return pipe side mother pipe, are arranged in parallel in the horizontal direction.
- each parallel pipe of the condenser moves from the upstream side to the downstream side (that is, from the feed pipe side mother pipe side to the return pipe side mother pipe side) in the flow direction of the working fluid, so that the housing of the equipment is not changed.
- a stable loop-type thermosiphon is obtained by arranging the entire condenser at a predetermined angle with respect to the bottom of the equipment casing so that the condenser is inclined at a direction that reduces the distance to the bottom of the body. Operation is realized.
- Parallel pipes connecting the feed pipe side mother pipe and the return pipe side mother pipe need not necessarily be arranged in a line.
- parallel pipes are arranged in a zigzag pattern in the direction intersecting the direction in which the parallel pipes extend.
- thermosiphon 100H The loop-type thermosiphon 100H according to the present embodiment is used as a high-temperature side heat transfer system of a Stirling refrigerator in the same manner as in Embodiment 17 described above. Therefore, the same portions as those in the above-described Embodiment 17 are denoted by the same reference numerals in the drawings, and description thereof will not be repeated here.
- feed pipe-side mother pipe 131 extending vertically and return pipe-side mother pipe also extending vertically.
- 132 and a plurality of parallel pipes 133 connecting the feed pipe side mother pipe 131 and the return pipe side mother pipe 132.
- Each of the plurality of parallel pipes 133 is a straight pipe that extends linearly, and the plurality of straight pipes are stacked in parallel in the vertical direction to form a condenser 130H.
- a plurality of radiation fins 136 are attached to the plurality of parallel tubes 133.
- the feed pipe side mother pipe 131 and the return pipe side mother pipe 132 are extended so that the extending direction thereof overlaps the normal direction of the bottom surface 301 of the housing 300 of the device.
- a tube side mother tube 131 and a return tube side mother tube 132 are arranged.
- each of parallel pipes 133 formed of straight pipes of condenser 130G has a force from the upstream side to the downstream side (that is, the feed direction) in the flow direction of the working fluid.
- a parallel pipe 133 composed of a straight pipe is arranged so that the parallel pipe 133 is inclined so that the distance from the pipe-side main pipe 131 to the return pipe-side main pipe 132 decreases) with respect to the bottom surface 301 of the device housing 300. It is arranged at an angle ⁇ with respect to the bottom surface 301 of the housing 300 of the device.
- the working fluid condensed and liquefied in the parallel pipe 133 flows through the parallel pipe 133 toward the return pipe-side mother pipe 132 by the action of gravity, so that the parallel pipe 133 is By obliquely arranging them, it is possible to prevent the working fluid from staying in the parallel pipe 133. Accordingly, a smooth flow of the working fluid is realized regardless of the installation state of the housing 300, and the stable operation of the loop-type thermosiphon 100G is realized.
- a condenser in which the feed pipe side mother pipe and the return pipe side mother pipe are arranged so as to extend in the vertical direction has been described as an example.
- Side mother pipe and return pipe It is also possible to arrange so that the side mother pipe extends in the horizontal direction.
- the straight pipes, which are parallel pipes connecting the feed pipe side mother pipe and the return pipe side mother pipe, are arranged in parallel in the horizontal direction.
- each parallel pipe of the condenser moves from the upstream side to the downstream side (that is, from the feed pipe side mother pipe side to the return pipe side mother pipe side) in the flow direction of the working fluid, so that the housing of the equipment is not changed.
- a stable loop-type thermosiphon is obtained by arranging the entire condenser at a predetermined angle with respect to the bottom of the equipment casing so that the condenser is inclined at a direction that reduces the distance to the bottom of the body. Operation is realized.
- the parallel pipes connecting the feed pipe side mother pipe and the return pipe side mother pipe need not necessarily be arranged in a line.
- parallel pipes are arranged in a zigzag pattern in the direction intersecting the direction in which the parallel pipes extend.
- the Stirling cooler according to the present embodiment is equipped with the loop-type thermosiphon described in any of Embodiments 1 to 8 above as a high-temperature side heat transfer system of a Stirling refrigerator installed inside the housing. Te, ru.
- Stirling cooler 1000 in the present embodiment includes a freezing space 1028 and a refrigerated space 1029 as cooling spaces.
- the Stirling cooler 1000 includes a loop-type thermosiphon 100 as a high-temperature side heat transfer system that cools the high-temperature portion 204 of the stirling refrigerator 200.
- the extremely low temperature generated in the low temperature section 206 of the Stirling refrigerator 200 is used for cooling the inside of the refrigerator by the low temperature side heat transfer system 1020 (see the broken line in FIG. 14).
- the heat transfer system on the low-temperature side may be constituted by a loop-type thermosiphon, similarly to the heat transfer system on the high-temperature side, or may be a forced convection type heat transfer system.
- the loop-type thermosiphon 100 which is a high-temperature side heat transfer system, includes an evaporator 110 attached in contact with the periphery of the high-temperature section 204 of the Stirling refrigerator 200, and a feed pipe and a return pipe. It comprises an evaporator 110 and a condenser 130 connected thereto.
- a circulation circuit including the evaporator 110, the condenser 130, the feed pipe 120, and the return pipe 140 for example, water to which ethanol is added is sealed as a refrigerant.
- the steam of the refrigerant The condenser 130 is arranged above (at a high place) the evaporator 110 so that the heat generated in the high-temperature section 204 can be transmitted by utilizing natural convection caused by generation and condensation.
- Stirling refrigerator 200 is arranged on the upper rear surface of Stirling cooler 1000. Further, the low-temperature side heat transfer system 1020 is arranged on the back side of the Stirling cooler 1000. On the other hand, the loop-type thermosiphon 100 that is a high-temperature side heat transfer system is arranged above the Stirling cooler 1000. The condenser 130 of the loop-type thermosiphon 100 is provided in a duct 1024 provided above the Stirling cooler 1000.
- the extremely low temperature generated in the low-temperature section 206 is exchanged with the airflow in the cold air duct 1023 (arrow in FIG. 14).
- the cooled air is sent to the freezing space 1028 and the refrigerated space 1029 by the freezing space side fan 1026 and the refrigerated space side fan 1027, respectively.
- the warmed airflow from each cooling space 1028, 1029 is again introduced into the cool air duct 1023, and is repeatedly cooled.
- the Stirling cooler 1000 Since the loop-type thermosiphon 100 mounted on the Stirling cooler 1000 is the loop-type thermosiphon 100A- 100H according to any one of Embodiments 18 to 18, the Stirling cooler 1000 is used. It operates stably irrespective of the installation state of the housing. Therefore, the Stirling refrigerator 200 can be operated with high efficiency, and the performance of the Stirling refrigerator 1000 is also improved.
- the cooling device according to the tenth embodiment has a common structure in most parts with the cooling device according to the second conventional example. Therefore, the same portions as those of the cooling device in the second conventional example are denoted by the same reference numerals, and description thereof will not be repeated here.
- FIG. 16A and FIG. 16B in the cooling device according to the present embodiment, the upper ends of the vertical pipes 11A and 11B of the condensate-side refrigerant pipe 11 are connected to one end and the other end of the horizontal pipe 11C, respectively.
- the lower ends of the vertical tubes 11A and 11B are connected to the upper ends of the outer peripheral surfaces of the half-rings 6A and 6B, respectively, as in the second conventional example. Therefore, the upper and lower connection ports to which the vertical pipes 11A and 11B are connected do not coincide in the horizontal direction. For this reason, bent pipes with slopes 11Aa and 11Ba (see Fig. 16A) having a downward slope are used for the vertical pipes 11A and 1IB.
- the inclination of the installation location of the refrigerator is set to within 5 ° including the horizontal
- the inclination of the vertical pipe slopes l lAa and l lBa with respect to the horizontal position of the cooling device 50 is set.
- the slope see Fig. 16A
- the down slope of the vertical pipe slopes lAa and llBa will be maintained, and the thermosiphon will function. The ability to prevent loss is possible. Therefore, the refrigerant can be circulated stably.
- a charge pipe 21 for deaeration is attached to the horizontal pipe 11C of the vapor-side refrigerant pipe 11.
- a water refrigerant for the high-temperature side heat transfer cycle it is necessary to remove uncondensed gas (air) dissolved in water.
- the closed system inside the cycle is evacuated using the charge pipe 21. ing.
- Embodiments 1 to 10 of the present invention described above a case where a loop-type thermosiphon is employed in a high-temperature side heat transfer system of a Stirling refrigerator has been described as an example. It is naturally applicable to other devices having the same.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
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Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/570,132 US20070028626A1 (en) | 2003-09-02 | 2004-08-12 | Loop type thermo siphon, stirling cooling chamber, and cooling apparatus |
EP04771575A EP1669710A1 (en) | 2003-09-02 | 2004-08-12 | Loop type thermo siphon, stirling cooling chamber, and cooling apparatus |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-309708 | 2003-09-02 | ||
JP2003309708A JP2005077018A (ja) | 2003-09-02 | 2003-09-02 | ループ型サーモサイフォンおよびスターリング冷却庫ならびにループ型サーモサイフォンの組付け構造 |
JP2004020679A JP3689761B2 (ja) | 2004-01-29 | 2004-01-29 | 冷却装置 |
JP2004-020679 | 2004-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005024331A1 true WO2005024331A1 (ja) | 2005-03-17 |
Family
ID=34277682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/011600 WO2005024331A1 (ja) | 2003-09-02 | 2004-08-12 | ループ型サーモサイフォン、スターリング冷却庫ならびに冷却装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070028626A1 (ja) |
EP (1) | EP1669710A1 (ja) |
KR (1) | KR100746795B1 (ja) |
WO (1) | WO2005024331A1 (ja) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8136580B2 (en) | 2000-06-30 | 2012-03-20 | Alliant Techsystems Inc. | Evaporator for a heat transfer system |
US8109325B2 (en) * | 2000-06-30 | 2012-02-07 | Alliant Techsystems Inc. | Heat transfer system |
NZ575404A (en) * | 2006-09-21 | 2012-02-24 | Rheem Australia Pty Ltd | A water heater heat exchange element with a ducting section that is inclined in respect to the horizontal |
EP4273372A3 (en) | 2010-01-21 | 2024-01-24 | The Abell Foundation Inc. | Ocean thermal energy conversion power plant |
US9086057B2 (en) * | 2010-01-21 | 2015-07-21 | The Abell Foundation, Inc. | Ocean thermal energy conversion cold water pipe |
US8899043B2 (en) * | 2010-01-21 | 2014-12-02 | The Abell Foundation, Inc. | Ocean thermal energy conversion plant |
US9618254B2 (en) * | 2011-07-21 | 2017-04-11 | Lg Electronics Inc. | Refrigerator |
US9151279B2 (en) | 2011-08-15 | 2015-10-06 | The Abell Foundation, Inc. | Ocean thermal energy conversion power plant cold water pipe connection |
KR101868624B1 (ko) * | 2011-12-21 | 2018-06-18 | 엘지전자 주식회사 | 냉장고 |
US9117991B1 (en) | 2012-02-10 | 2015-08-25 | Flextronics Ap, Llc | Use of flexible circuits incorporating a heat spreading layer and the rigidizing specific areas within such a construction by creating stiffening structures within said circuits by either folding, bending, forming or combinations thereof |
US9618185B2 (en) | 2012-03-08 | 2017-04-11 | Flextronics Ap, Llc | LED array for replacing flourescent tubes |
KR101936224B1 (ko) * | 2012-04-26 | 2019-01-08 | 엘지전자 주식회사 | 열교환기 |
US20130291555A1 (en) | 2012-05-07 | 2013-11-07 | Phononic Devices, Inc. | Thermoelectric refrigeration system control scheme for high efficiency performance |
WO2013169774A2 (en) | 2012-05-07 | 2013-11-14 | Phononic Devices, Inc. | Thermoelectric heat exchanger component including protective heat spreading lid and optimal thermal interface resistance |
DE102012207650A1 (de) * | 2012-05-08 | 2013-11-14 | Inficon Gmbh | Entnahmevorrichtung für ein Fluid |
US9356214B2 (en) * | 2012-06-27 | 2016-05-31 | Flextronics Ap, Llc. | Cooling system for LED device |
US9366394B2 (en) * | 2012-06-27 | 2016-06-14 | Flextronics Ap, Llc | Automotive LED headlight cooling system |
JP6554036B2 (ja) | 2012-10-16 | 2019-07-31 | ジ アベル ファウンデーション, インコーポレイテッド | マニホールドを含む熱交換器 |
TWM450187U (zh) * | 2012-10-25 | 2013-04-01 | Cooling House Co Ltd | 循環式熱虹吸散熱裝置 |
US9748460B2 (en) | 2013-02-28 | 2017-08-29 | Flextronics Ap, Llc | LED back end assembly and method of manufacturing |
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KR101499641B1 (ko) * | 2014-02-27 | 2015-03-06 | 한국원자력연구원 | 수냉-공냉 복합 피동급수냉각 장치 및 시스템 |
US9593871B2 (en) | 2014-07-21 | 2017-03-14 | Phononic Devices, Inc. | Systems and methods for operating a thermoelectric module to increase efficiency |
US10458683B2 (en) | 2014-07-21 | 2019-10-29 | Phononic, Inc. | Systems and methods for mitigating heat rejection limitations of a thermoelectric module |
US9552025B2 (en) | 2014-09-23 | 2017-01-24 | Google Inc. | Cooling electronic devices in a data center |
US10448543B2 (en) | 2015-05-04 | 2019-10-15 | Google Llc | Cooling electronic devices in a data center |
US10462935B2 (en) | 2015-06-23 | 2019-10-29 | Google Llc | Cooling electronic devices in a data center |
US10349561B2 (en) | 2016-04-15 | 2019-07-09 | Google Llc | Cooling electronic devices in a data center |
US10156385B1 (en) | 2017-08-15 | 2018-12-18 | Christopher Kapsha | Multistage refrigeration system |
US10274221B1 (en) | 2017-12-22 | 2019-04-30 | Mitek Holdings, Inc. | Heat exchanger |
US11802738B2 (en) | 2018-02-04 | 2023-10-31 | Ratnesh Tiwari | Water cooling system |
GB201815626D0 (en) * | 2018-09-25 | 2018-11-07 | Hughes Safety Showers Ltd | Water cooler |
US20210262721A1 (en) * | 2019-07-22 | 2021-08-26 | Mayekawa Mfg. Co., Ltd. | Defrost system |
CN112066581A (zh) * | 2020-09-21 | 2020-12-11 | 珠海格力电器股份有限公司 | 一种制冷系统、方法及制冷设备 |
CN112985132B (zh) * | 2021-03-05 | 2022-10-25 | 太原理工大学 | 一种斯特林发电及强制对流散热的重力热管装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS597363U (ja) * | 1982-07-07 | 1984-01-18 | 三菱電機株式会社 | 熱交換装置 |
JPS61204177U (ja) * | 1985-06-10 | 1986-12-23 | ||
JPS6287788A (ja) * | 1985-10-14 | 1987-04-22 | Fujikura Ltd | ヒ−トパイプの製造方法 |
JPS6288176U (ja) * | 1985-11-19 | 1987-06-05 | ||
JP2001091173A (ja) * | 1999-09-24 | 2001-04-06 | Sanyo Electric Co Ltd | 熱搬送装置 |
WO2002016836A1 (fr) * | 2000-08-25 | 2002-02-28 | Sharp Kabushiki Kaisha | Refroidisseur a cycle de stirling, chambre de refroidissement et refrigerateur |
JP2002168547A (ja) * | 2000-11-20 | 2002-06-14 | Global Cooling Bv | 熱サイホンによるcpu冷却装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2093725A (en) * | 1934-12-24 | 1937-09-21 | Gen Motors Corp | Refrigerating apparatus |
US3226941A (en) * | 1963-10-31 | 1966-01-04 | Charles D Snelling | Klystron cooling system assembly |
US5142872A (en) * | 1990-04-26 | 1992-09-01 | Forma Scientific, Inc. | Laboratory freezer appliance |
US5642622A (en) * | 1995-08-17 | 1997-07-01 | Sunpower, Inc. | Refrigerator with interior mounted heat pump |
JP3826998B2 (ja) * | 2001-08-03 | 2006-09-27 | シャープ株式会社 | スターリング冷凍システム及びスターリング冷蔵庫 |
JP2003214750A (ja) * | 2002-01-23 | 2003-07-30 | Twinbird Corp | サーモサイフォン |
JP4033699B2 (ja) * | 2002-04-08 | 2008-01-16 | シャープ株式会社 | ループ型サーモサイホンおよびスターリング冷蔵庫 |
BR0202997A (pt) * | 2002-07-16 | 2004-05-25 | Brasil Compressores Sa | Sistema de refrigeração |
-
2004
- 2004-08-12 WO PCT/JP2004/011600 patent/WO2005024331A1/ja not_active Application Discontinuation
- 2004-08-12 US US10/570,132 patent/US20070028626A1/en not_active Abandoned
- 2004-08-12 KR KR1020067004114A patent/KR100746795B1/ko not_active IP Right Cessation
- 2004-08-12 EP EP04771575A patent/EP1669710A1/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS597363U (ja) * | 1982-07-07 | 1984-01-18 | 三菱電機株式会社 | 熱交換装置 |
JPS61204177U (ja) * | 1985-06-10 | 1986-12-23 | ||
JPS6287788A (ja) * | 1985-10-14 | 1987-04-22 | Fujikura Ltd | ヒ−トパイプの製造方法 |
JPS6288176U (ja) * | 1985-11-19 | 1987-06-05 | ||
JP2001091173A (ja) * | 1999-09-24 | 2001-04-06 | Sanyo Electric Co Ltd | 熱搬送装置 |
WO2002016836A1 (fr) * | 2000-08-25 | 2002-02-28 | Sharp Kabushiki Kaisha | Refroidisseur a cycle de stirling, chambre de refroidissement et refrigerateur |
JP2002168547A (ja) * | 2000-11-20 | 2002-06-14 | Global Cooling Bv | 熱サイホンによるcpu冷却装置 |
Also Published As
Publication number | Publication date |
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KR100746795B1 (ko) | 2007-08-06 |
EP1669710A1 (en) | 2006-06-14 |
KR20060061365A (ko) | 2006-06-07 |
US20070028626A1 (en) | 2007-02-08 |
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