WO2019146262A1 - 車両用サーモサイフォン式冷却装置 - Google Patents

車両用サーモサイフォン式冷却装置 Download PDF

Info

Publication number
WO2019146262A1
WO2019146262A1 PCT/JP2018/044458 JP2018044458W WO2019146262A1 WO 2019146262 A1 WO2019146262 A1 WO 2019146262A1 JP 2018044458 W JP2018044458 W JP 2018044458W WO 2019146262 A1 WO2019146262 A1 WO 2019146262A1
Authority
WO
WIPO (PCT)
Prior art keywords
refrigerant
condenser
volume
evaporator
liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2018/044458
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
功嗣 三浦
康光 大見
義則　毅
竹内　雅之
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Denso Corp filed Critical Denso Corp
Priority to CN201880087791.2A priority Critical patent/CN111656121A/zh
Publication of WO2019146262A1 publication Critical patent/WO2019146262A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/40—Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6562—Gases with free flow by convection only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • thermosiphon cooling device that cools a device mounted on a vehicle.
  • an electrically powered vehicle such as an electric vehicle or a hybrid vehicle
  • electrical energy stored in a storage device such as a secondary battery
  • the battery generates heat when the vehicle is used, for example, while it is running, and when the temperature becomes high, not only a sufficient function can not be obtained but also deterioration or breakage is caused, so a cooling means for maintaining below a certain temperature is required.
  • the battery temperature rises not only during traveling but also during parking in summer and the like.
  • the battery pack is often disposed under the floor or under the trunk room, and although the amount of heat given to the battery is small, the battery temperature gradually rises by leaving it for a long time. When the battery is left in a high temperature state, its life is greatly reduced. Therefore, it is desirable to maintain the battery temperature at a low temperature, such as cooling while being left.
  • the power storage device is configured of a plurality of battery cells, if there is variation in the temperature of each battery cell, cell deterioration may be uneven, and the performance of the power storage device may be degraded. This is because the input / output characteristics of the power storage device are determined in accordance with the most deteriorated battery cell characteristics. Therefore, in order to exert desired performance of the power storage device for a long time, temperature equalization for reducing temperature variation among the battery cells is important.
  • Patent Document 1 describes a cooling device of a natural circulation type thermo-siphon system.
  • the natural circulation type thermosyphon type cooling device cools by natural circulation of refrigerant without using a compressor.
  • the maximum cooling performance is determined by the height of the condenser from the evaporator, that is, the head.
  • thermosyphon type cooling device when applied to cooling of a vehicle-mounted device, the following problems occur when the height of the condenser is high.
  • thermosyphon cooling device becomes high. Therefore, the drivability is deteriorated.
  • thermosyphon type cooling device having a suitable condenser height.
  • another object of the present disclosure is to achieve refrigerant saving and lower gravity center at the time of operation in a thermosiphon cooling device for a vehicle.
  • a vehicle thermosiphon type cooling device includes an evaporator having an evaporation unit which absorbs heat from a vehicle-mounted device to evaporate the refrigerant, a gas pipe through which the refrigerant evaporated in the evaporation unit flows, and a gas
  • the condenser includes a condenser having a condenser for radiating and condensing the refrigerant flowing through the pipe, and a liquid pipe for guiding the refrigerant condensed in the condenser to the evaporator.
  • the volume of the region of the evaporator and the gas pipe above the lower end of the evaporation section and below the liquid level of the refrigerant during non-operation is the evaporator side volume, and the liquid pipe and the condenser among the liquid pipe and the condenser are non-operation
  • the volume of the region above the liquid level of the refrigerant and below the lower end of the condensation part is the condenser side volume, the evaporator, gas piping, etc., so that the evaporator side volume is larger than the condenser side volume
  • Liquid piping and a condenser are constituted and a refrigerant is enclosed.
  • the liquid refrigerant can be made to reach the lower end of the condensing part by evaporating the liquid refrigerant in the evaporation part at the time of operation. Therefore, the height of the condenser can be prevented from becoming higher than necessary with respect to the head, so that the height of the condenser minimum necessary for exerting the necessary capacity can be secured. That is, it can have a suitable condenser height.
  • a vehicle thermosiphon type cooling device includes an evaporator having an evaporation unit that absorbs heat from a vehicle-mounted device to evaporate the refrigerant, a gas pipe through which the refrigerant evaporated in the evaporation unit flows, and a gas
  • the condenser includes a condenser having a condenser for radiating and condensing the refrigerant flowing through the pipe, and a liquid pipe for guiding the refrigerant condensed in the condenser to the evaporator.
  • the volume of the region of the evaporator and the gas pipe above the lower end of the evaporation section and below the liquid level of the refrigerant during non-operation is the evaporator side volume, and the liquid pipe and the condenser among the liquid pipe and the condenser are non-operation
  • the volume of the region above the liquid level of the refrigerant and below the upper end of the condensation section is the condenser side volume, the evaporator, gas piping, etc., so that the evaporator side volume is larger than the condenser side volume
  • Liquid piping and a condenser are constituted and a refrigerant is enclosed.
  • the liquid refrigerant can be made to reach the upper end of the condensing part by evaporating the liquid refrigerant in the evaporation part at the time of operation. Therefore, the same operation and effect as those of the vehicle thermosiphon cooling device according to the first feature example can be obtained.
  • a vehicle thermosiphon type cooling device includes an evaporator having an evaporation unit which absorbs heat from a vehicle-mounted device to evaporate the refrigerant, a gas pipe through which the refrigerant evaporated in the evaporation unit flows, and a gas
  • the condenser includes a condenser having a condenser for radiating and condensing the refrigerant flowing through the pipe, and a liquid pipe for guiding the refrigerant condensed in the condenser to the evaporator. Furthermore, the refrigerant flow passage cross-sectional area of the evaporation unit is larger than the refrigerant flow passage cross-sectional area of the liquid pipe.
  • a vehicle thermosiphon type cooling device includes an evaporator having an evaporation unit which absorbs heat from a vehicle-mounted device to evaporate the refrigerant, a gas pipe through which the refrigerant evaporated in the evaporation unit flows, and a gas
  • the condenser includes a condenser having a condenser for radiating and condensing the refrigerant flowing through the pipe, and a liquid pipe for guiding the refrigerant condensed in the condenser to the evaporator. Furthermore, the refrigerant flow passage cross-sectional area of the gas piping is larger than the refrigerant flow passage cross-sectional area of the liquid piping.
  • thermosiphon type cooling device for vehicles in 1st Embodiment It is a whole block diagram of the thermosiphon type cooling device for vehicles in 1st Embodiment. It is a perspective view of an evaporator and a battery pack in a 1st embodiment. It is a graph which shows the correlation of the temperature of a battery pack, and input-output. It is an IV arrow line view of FIG. It is a front view of a condenser in a 1st embodiment. It is an explanatory view explaining an evaporator side volume and a condenser side volume in a 1st embodiment. It is explanatory drawing explaining the liquid level fall volume and liquid level fall amount in 1st Embodiment.
  • thermosiphon type cooling device for vehicles in 11th Embodiment. It is explanatory drawing explaining the evaporator side volume and condenser side volume in 11th Embodiment. It is explanatory drawing explaining the liquid level fall volume and liquid level fall amount in 11th Embodiment. It is an explanatory view explaining an evaporator side volume and a condenser side volume in a 12th embodiment. It is explanatory drawing explaining the liquid level fall volume and liquid level fall amount in 12th Embodiment. It is a whole block diagram of the thermosiphon type cooling device for vehicles in 13th Embodiment. It is explanatory drawing explaining the evaporator side volume and condenser side volume in 13th Embodiment.
  • FIG. 64 is a view taken in the direction of the arrow LXIV in FIG. 63. It is explanatory drawing explaining the required refrigerant
  • the vehicle thermo-siphon cooling device 10 shown in FIG. 1 is a battery cooling device for cooling the plurality of battery cells 111 shown in FIG.
  • the up and down arrows indicate the upper and lower directions of the vehicle.
  • the battery cell 111 is a power storage device such as a secondary battery that stores electrical energy.
  • the battery cell 111 is a device mounted in a vehicle and generating heat.
  • the battery cell 111 is an object to be cooled of the vehicle thermosiphon cooling device 10.
  • the vehicle is an electric vehicle such as an electric vehicle or a hybrid vehicle.
  • An electrically powered vehicle such as an electric vehicle or a hybrid vehicle travels by supplying electric energy stored in a storage device such as a secondary battery to a traveling motor via an inverter or the like.
  • the battery assembly 11 has a plurality of battery cells 111 and an evaporator 13.
  • the battery assembly 11 supplies electricity to the traveling motor via an inverter or the like.
  • the battery pack 11 is a storage battery that stores regenerative power.
  • the battery cells 111 of the battery pack 11 generate heat by themselves during charge / discharge use, such as during traveling.
  • the temperature of the battery cell 111 rises not only during traveling but also during parking in summer and the like. If the battery cell 111 is left in a high temperature state, its life is greatly reduced. Therefore, it is necessary to maintain the battery temperature at a low temperature, such as cooling while being parked.
  • the vehicle-mounted device whose temperature is adjusted by the vehicle thermosiphon cooling device 10 may be a traveling inverter, a traveling motor, an intercooler, etc. in addition to the assembled battery 11.
  • the traveling inverter, the traveling motor, and the intercooler are on-vehicle devices that have a large amount of heat release during acceleration or climbing (in other words, when the traveling load is high).
  • the vehicle thermosiphon cooling device 10 includes a refrigerant circuit 12.
  • the refrigerant circuit 12 includes an evaporator 13, a condenser 14, a gas pipe 15, and a liquid pipe 16.
  • a refrigerant is sealed and filled in the refrigerant circuit 12.
  • the refrigerant circuit 12 is a heat medium circuit in which a refrigerant as a working fluid circulates.
  • fluorocarbon-based refrigerants such as HFO-1234yf and HFC-134a are used as the refrigerant.
  • the refrigerant circuit 12 is a heat pipe that transfers heat by evaporation and condensation of the refrigerant.
  • the refrigerant circuit 12 is a loop type thermosiphon in which a flow path through which a gaseous refrigerant flows and a flow path through which a liquid refrigerant flows are separated.
  • the evaporator 13 cools the plurality of battery cells 111 by evaporation of the refrigerant.
  • the evaporator 13 can conduct heat with the battery cell 111, and cools the battery cell 111 and evaporates the refrigerant by absorbing heat of the battery cell 111 by the refrigerant.
  • the battery cell 111 has a rectangular parallelepiped outer shape.
  • the battery cell 111 is disposed on the side surface of the evaporator 13, and the side surface of the battery cell 111 is in contact with the side surface of the evaporator 13 so as to be thermally conductive.
  • the battery pack 11 is disposed under the floor of the vehicle.
  • the condenser 14 is a heat exchanger that causes the refrigerant evaporated in the evaporator 13 to exchange heat with the cooling water, thereby performing cooling condensation.
  • the condenser 14 may be a heat exchanger that causes the refrigerant evaporated in the evaporator 13 to exchange heat with other refrigerants, thereby performing cooling condensation.
  • the condenser 14 is disposed in the engine room of the vehicle.
  • the condenser 14 is disposed on the upper side of the vehicle than the evaporator 13.
  • the gas pipe 15 and the liquid pipe 16 are refrigerant pipes that connect the evaporator 13 and the condenser 14.
  • the gas pipe 15 is a gas phase pipe in which a gas phase refrigerant (hereinafter referred to as a gas refrigerant) evaporated in the evaporator 13 flows.
  • the gas pipe 15 forms a gas refrigerant flow path for guiding the gas refrigerant to the condenser 14.
  • the liquid pipe 16 is a liquid-phase pipe through which a liquid-phase refrigerant (hereinafter, referred to as liquid refrigerant) condensed by the condenser 14 flows.
  • the liquid pipe 16 forms a liquid refrigerant flow path that leads the liquid refrigerant to the evaporator 13.
  • the refrigerant channel cross-sectional area of the gas pipe 15 is substantially constant over the entire length of the gas pipe 15. Specifically, the refrigerant flow passage cross-sectional area is constant in the general portion of the gas piping 15 excluding special portions such as the end portion, the connection portion, and the bending portion.
  • the channel cross-sectional area is the cross-sectional area when the channel is cut at right angles to the extending direction.
  • the refrigerant flow passage cross-sectional area of the liquid piping 16 is also substantially constant over the entire length of the liquid piping 16. Specifically, the refrigerant flow passage cross-sectional area is constant in the general part of the liquid piping 16 excluding special parts such as an end, a joint, a bending part, and the like.
  • the refrigerant channel cross-sectional area of the general part of the gas pipe 15 is larger than the refrigerant channel cross-sectional area of the general part of the liquid pipe 16.
  • the evaporator 13 includes an evaporation unit 131, a liquid passage unit 132, and a gas passage unit 133.
  • the evaporation portion 131, the liquid passage portion 132 and the gas passage portion 133 are arranged in this order from the lower side to the upper side.
  • the side surface of the evaporation portion 131 is flat.
  • the battery 11 is disposed on the side surface of the evaporation unit 131.
  • the terminal 112 of each battery cell 111 of the battery 11 is disposed on the side of the battery cell 111 opposite to the evaporation portion 131.
  • An electrically insulating thermally conductive sheet 17 is interposed between the evaporating unit 131 and the battery assembly 11.
  • the electrically insulating thermally conductive sheet 17 is a thin film-like member having electrical insulation and thermal conductivity.
  • a plate-shaped heat conduction member may be interposed between the evaporation unit 131 and the battery assembly 11.
  • the evaporation unit 131 absorbs the heat of the battery cell 111 by the liquid refrigerant flowing in the refrigerant flow path inside, thereby boiling and evaporating the liquid refrigerant.
  • a large number of refrigerant channels (not shown) are formed in the evaporator 131.
  • coolant flow paths of the evaporation part 131 are mutually extended in parallel in the up-down direction.
  • the refrigerant channel cross-sectional area of the evaporating unit 131 is substantially constant over the entire length of the refrigerant channel.
  • the refrigerant channel cross-sectional area of the evaporation unit 131 is the sum of the cross-sectional areas of a large number of refrigerant channels. Specifically, the refrigerant channel cross-sectional area is constant in the general part of the evaporation part 131 except for special parts such as the end of the refrigerant channel.
  • the refrigerant channel cross-sectional area of the general part of the evaporation unit 131 is larger than the refrigerant channel cross-sectional area of the general part of the liquid pipe 16.
  • the liquid pipe 16 is connected to the liquid passage portion 132.
  • the liquid passage portion 132 distributes the liquid refrigerant that has flowed through the liquid pipe 16 to the many refrigerant flow paths of the evaporation unit 131.
  • a gas pipe 15 is connected to the gas passage portion 133.
  • the gas passage portion 133 collects the gas refrigerants which are boiled and evaporated in the many refrigerant flow passages of the evaporation portion 131 and causes the gas refrigerants to flow out to the gas piping 15.
  • the condenser 14 is integrally formed by laminating and joining a large number of plate members 14a.
  • the stacking direction of the plate-like members 14a (left and right direction in FIG. 5) is referred to as a plate stacking direction.
  • the large number of plate-like members 14a are for the plurality of refrigerant channels 141, the plurality of cooling water channels 142, the first refrigerant tank 131, the second refrigerant tank 144, the first tank 145 for cooling water, and the cooling water.
  • a second tank space 146 is formed.
  • the portions of the condenser 14 that form the plurality of refrigerant flow paths 141 and the plurality of cooling water flow paths 142 constitute a condenser 140 (heat exchange core portion) that exchanges heat with the cooling water to cool and condense the refrigerant. .
  • the plurality of refrigerant channels 141 and the plurality of cooling water channels 142 are formed between the large number of plate members 14 a.
  • the longitudinal direction of the coolant channel 141 and the cooling water channel 142 coincides with the longitudinal direction of the plate member 14a.
  • the refrigerant channels 141 and the cooling water channels 142 are alternately stacked (arranged) one by one in the plate stacking direction.
  • the plate-like member 14 a plays the role of a partition that divides the coolant channel 141 and the cooling water channel 142. Heat exchange between the refrigerant flowing through the refrigerant flow channel 141 and the cooling water flowing through the cooling water flow channel 142 is performed via the plate-like member 14 a.
  • the refrigerant first tank space 143 and the cooling water first tank space 145 are on one side of the refrigerant flow path 141 and the cooling water flow path 142 (downward in the example of FIG. 5) with respect to the condensing portion 140 (heat exchange core portion). Side).
  • the refrigerant second tank space 144 and the cooling water second tank space 146 are disposed on the other side (upper side in the example of FIG. 5) of the refrigerant flow path 141 and the cooling water flow path 142 with respect to the heat exchange unit 12. ing.
  • the refrigerant first tank space 143 and the refrigerant second tank space 144 distribute and assemble the refrigerant to the plurality of refrigerant channels 141.
  • the first coolant coolant tank space 145 and the second coolant coolant tank space 146 distribute and collect coolant water to the plurality of coolant water channels 142.
  • the first joint 14b and the first cooling water pipe 14c are attached to the plate-like member positioned on one end side (the left end side in FIG. 5) of the plate-like members 14a in a large number of sheets.
  • the first joint 14 b is a member for joining a refrigerant pipe, and forms a refrigerant inlet of the condenser 14.
  • the first cooling water pipe 14 c forms a cooling water outlet of the condenser 14.
  • the second joint 14d and the second cooling water pipe 14e are attached to the plate-like member positioned on the other end side (right end side in FIG. 5) of the plate-like members 14a in the large number of sheets.
  • the second joint 14 d is a member for joining a refrigerant pipe, and forms a refrigerant outlet of the condenser 14.
  • the second cooling water pipe 14 e forms a cooling water inlet of the condenser 14.
  • a refrigerant is sealed in the refrigerant circuit 12.
  • the refrigerant is in a liquid state in the refrigerant circuit 12 at normal temperature.
  • the volume of the refrigerant enclosed in the refrigerant circuit 12 is equal to or greater than the required refrigerant volume V0 shown in FIG.
  • the required refrigerant volume V0 is the volume of the hatched area in FIG.
  • the required refrigerant volume V0 is a total volume of the liquid passage portion 132 of the evaporator 13 and the liquid pipe 16.
  • the liquid passage portion 132 of the evaporator 13 is disposed horizontally.
  • the dashed-dotted line in FIG. 6 shows the liquid level position of the refrigerant at the time of non-operation.
  • the liquid level position of the non-operating refrigerant is at the evaporation portion 131 of the evaporator 13 and the liquid pipe 16.
  • the cooling device 10 mounted on the vehicle does not operate.
  • the cooling device 10 mounted on the vehicle is in operation.
  • the hatching area is taken as the evaporator side area.
  • the volume of the evaporator side region is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the volume of the region of the evaporation section 131 below the liquid level of the refrigerant during non-operation.
  • the hatching area is a condenser side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2.
  • the condenser side volume V2 is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the lower end of the condensing part 140.
  • the evaporator 13, the liquid pipe 16, and the condenser 14 are configured and the refrigerant is sealed such that the evaporator side volume V1 is larger than the condenser side volume V2.
  • a hatching area is taken as a liquid level falling area.
  • the volume of the liquid level lowering region is referred to as a liquid level lowering volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the evaporator 13 the liquid so that the height h1 of the liquid level lowering area (ie, the height dimension of the liquid level lowering) is smaller than the height h2 of the condenser side area (the height dimension of the condenser side area)
  • the piping 16 and the condenser 14 are configured.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the evaporation portion 131 side when the liquid surface of the refrigerant on the liquid pipe 16 side rises to the lower end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the height h2 of the condenser side area is a height dimension of the difference between the lower end of the condensing part 140 and the height of the liquid surface of the refrigerant at the time of non-operation.
  • the liquid refrigerant absorbs heat from the battery pack 11 and evaporates to become a gas refrigerant.
  • the gas refrigerant evaporated in the evaporation portion 131 of the evaporator 13 flows into the gas pipe 15 through the outlet-side connection portion 13 b, and ascends the gas pipe 15 and flows into the condenser 14.
  • the gas refrigerant flowing from the gas pipe 15 dissipates heat to the outside air and condenses to be liquid refrigerant.
  • the liquid refrigerant condensed by the condenser 14 flows down the liquid pipe 16 by gravity and flows into the evaporator 13 through the inlet-side connection 13 a.
  • the battery pack 11 can be cooled by the evaporator 13. Since the refrigerant can be circulated in the refrigerant circuit 12 without using the motive power, power saving can be achieved, and the battery assembly 11 can be cooled even when the vehicle is parked and left.
  • the gas refrigerant evaporated in the evaporation section 131 of the evaporator 13 ascends the gas pipe 15, and the liquid refrigerant condensed in the condenser 14 flows down the liquid pipe 16, whereby the liquid level in the evaporation section 131 decreases.
  • the liquid level in the liquid pipe 16 rises.
  • the evaporator side volume V1 is larger than the condenser side volume V2. Therefore, the liquid refrigerant does not disappear from the inside of the evaporating section 131 of the evaporator 13 until the liquid surface of the liquid pipe 16 reaches the lower end of the condensing section 140 of the condenser 14.
  • the lower end of the condensation portion 140 of the condenser 14 is simultaneously filled with the liquid refrigerant. Since the liquid refrigerant is present in the evaporation section 131, it is possible to cool. Therefore, the condenser 14 installed at a high place to secure the necessary capacity can be effectively used.
  • the height h1 of the liquid level drop is smaller than the height h2 of the condenser side area. Therefore, a desired head can be formed with as little refrigerant as possible. That is, it is possible to save the refrigerant and to prevent the center of gravity at the time of operation from becoming high.
  • the refrigerant flow passage cross-sectional area of the evaporation portion 131 of the evaporator 13 is larger than the refrigerant flow passage cross-sectional area of the liquid pipe 16. Therefore, a desired head can be formed with as little refrigerant as possible. That is, it is possible to save the refrigerant and to prevent the center of gravity at the time of operation from becoming high.
  • the gas passage portion 133 and the gas pipe 15 of the evaporator 13 are not filled with the liquid refrigerant at the non-operation time. Therefore, immediately after startup, the evaporated gas refrigerant rises quickly in the gas passage portion 133 and the gas pipe 15 of the evaporator 13, so that the refrigerant can be circulated to the refrigerant circuit 12 promptly. In other words, the time lag at the start can be kept small.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16, and the condenser 14 are configured and the refrigerant is sealed so that the evaporator side volume V1 is larger than the condenser side volume V2.
  • the liquid refrigerant is allowed to reach the lower end of the condensing unit 140 by the evaporation of the liquid refrigerant in the evaporation unit 131 at the time of operation. Therefore, the height of the condenser 14 can be prevented from becoming higher than necessary with respect to the head, so that the minimum necessary condenser height for exerting the necessary capacity can be secured.
  • the volume of the refrigerant in the liquid state at the time of non-operation is the required refrigerant volume V0 or more.
  • the evaporator side volume V1 can be reliably made larger than the condenser side volume V2.
  • the height h1 of the liquid level falling area is smaller than the height h2 of the condenser side area.
  • the refrigerant flow passage cross-sectional area of the evaporation unit 131 is larger than the refrigerant flow passage cross-sectional area of the liquid pipe 16.
  • the liquid level of the refrigerant at the time of non-operation is in the evaporation portion 131.
  • the refrigerant evaporated in the evaporation unit 131 can be made to reach the condensing unit 140 promptly at the time of start-up, the cooling capacity can be exhibited promptly.
  • the evaporation unit 131 absorbs heat from the assembled battery 11 to the refrigerant. Thereby, the assembled battery 11 mounted in the vehicle can be cooled well.
  • the liquid level of the non-operating refrigerant is at the evaporation portion 131 and the liquid pipe 16 of the evaporator 13.
  • the liquid level of the refrigerant is in the gas passage portion 133 of the evaporator 13, the gas pipe 15, and the liquid pipe 16.
  • the dashed-dotted line in FIG. 8 shows the liquid level position of the refrigerant at the time of non-operation.
  • the liquid level position of the non-operating refrigerant is at the gas passage portion 133 of the evaporator 13, the gas pipe 15, and the liquid pipe 16.
  • the hatching region is an evaporator-side region.
  • the volume of the evaporator side region is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is a volume of a region of the evaporation portion 131, the gas passage portion 133, and the gas pipe 15 below the liquid surface of the refrigerant during non-operation time.
  • the hatched area is a condenser-side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2.
  • the condenser side volume V2 is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the lower end of the condensing part 140.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16, and the condenser 14 are configured such that the evaporator side volume V1 is larger than the condenser side volume V2, and the refrigerant is sealed.
  • the hatching region is taken as a liquid level lowering region.
  • the volume of the liquid level lowering region is referred to as a liquid level lowering volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the evaporator 13, the gas pipe 15, and the liquid pipe 16 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the evaporation portion 131 side when the liquid surface of the refrigerant on the liquid pipe 16 side rises to the lower end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the liquid level of the non-operating refrigerant is in the evaporation portion 131 and the liquid pipe 16 of the evaporator 13.
  • the liquid level of the refrigerant is in the gas pipe 15 and the liquid pipe 16.
  • the dashed-dotted line in FIG. 10 shows the liquid level position of the refrigerant at the time of non-operation.
  • the liquid level position of the non-operating refrigerant is at the gas pipe 15 and the liquid pipe 16.
  • the hatching region is an evaporator-side region.
  • the volume of the evaporator side region is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is a volume of a region of the evaporation portion 131, the gas passage portion 133, and the gas pipe 15 below the liquid surface of the refrigerant during non-operation time.
  • the hatched area is a condenser-side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2.
  • the condenser side volume V2 is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the lower end of the condensing part 140.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16, and the condenser 14 are configured such that the evaporator side volume V1 is larger than the condenser side volume V2, and the refrigerant is sealed.
  • the hatching region is taken as a liquid level lowering region.
  • the volume of the liquid level lowering region is referred to as a liquid level lowering volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16, and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the gas pipe 15 side when the liquid surface of the refrigerant on the liquid pipe 16 side rises to the lower end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the same effects as those of the first embodiment can be obtained.
  • the refrigerant flow passage cross-sectional area of the gas piping 15 is larger than the refrigerant flow passage cross-sectional area of the liquid piping 16, so that the largest possible head can be formed with a small amount of refrigerant. Therefore, it is possible to achieve a reduction in the amount of refrigerant and a reduction in the center of gravity at the time of operation.
  • the volume of the refrigerant enclosed in the refrigerant circuit 12 is the required refrigerant volume V0 or more, but in this embodiment, the volume of the refrigerant enclosed in the refrigerant circuit 12 is the required refrigerant shown in FIG. It is more than volume V0 '.
  • the required refrigerant volume V0 ′ is the volume of the hatched area in FIG.
  • the required refrigerant volume V 0 ′ is the total volume of the liquid passage portion 132 of the evaporator 13, the liquid pipe 16, and the refrigerant first tank space 143 and the condenser 140 of the condenser 14.
  • the dashed-dotted line in FIG. 13 indicates the liquid level position of the refrigerant when not in operation.
  • the liquid level position of the non-operating refrigerant is at the evaporation portion 131 of the evaporator 13 and the liquid pipe 16.
  • a hatching area is an evaporator-side area.
  • the volume of the evaporator side region is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the volume of the region of the evaporation section 131 below the liquid level of the refrigerant during non-operation.
  • the hatched area is a condenser-side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2 '.
  • the condenser side volume V2 ' is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the upper end of the condensing part 140.
  • the evaporator 13, the liquid pipe 16 and the condenser 14 are configured and the refrigerant is sealed such that the evaporator side volume V1 is larger than the condenser side volume V2 '.
  • the hatching region is taken as a liquid level falling region.
  • the volume of the liquid level lowering region is referred to as a liquid level lowering volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2 '.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the evaporator 13, the liquid pipe 16, and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 'of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the evaporation portion 131 side when the liquid surface of the refrigerant on the liquid pipe 16 side rises to the upper end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the head height can be increased up to the upper end of the condenser portion 140 of the condenser 14, the maximum capacity can be further enhanced.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16 and the condensers 14 and 24 are configured such that the evaporator side volume V1 is larger than the condenser side volume V2 ', and the refrigerant is sealed. There is.
  • the liquid refrigerant is allowed to reach the lower end of the condensing unit 140 by the evaporation of the liquid refrigerant in the evaporation unit 131 at the time of operation. Therefore, the height of the condenser 14 can be prevented from becoming higher than necessary with respect to the head, so that the minimum necessary condenser height for exerting the necessary capacity can be secured.
  • the upper end of the condenser 140 is filled with the liquid refrigerant, so that the condenser 14 can be used effectively.
  • the volume of the refrigerant in the liquid state at the time of non-operation is equal to or more than the volume V 0 ′ of the region of the evaporator 13 and the liquid pipe 16 from the lower end of the evaporation unit 131 to the upper end of the condensation unit 140.
  • the evaporator side volume V1 can be reliably made larger than the condenser side volume V2 '.
  • the height h1 of the liquid level falling area is smaller than the height h2 'of the condenser side area.
  • the liquid level of the non-operating refrigerant is at the evaporation portion 131 and the liquid pipe 16 of the evaporator 13.
  • the liquid level of the refrigerant is in the gas passage portion 133 of the evaporator 13, the gas pipe 15, and the liquid pipe 16.
  • the dashed-dotted line in FIG. 15 shows the liquid level position of the refrigerant at the time of non-operation.
  • the liquid level position of the non-operating refrigerant is at the gas passage portion 133 of the evaporator 13, the gas pipe 15, and the liquid pipe 16.
  • the hatching area is an evaporator-side area.
  • the volume of the evaporator side region is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is a volume of a region of the evaporation portion 131, the gas passage portion 133, and the gas pipe 15 below the liquid surface of the refrigerant during non-operation time.
  • the hatching area is a condenser side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2 '.
  • the condenser side volume V2 ' is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the upper end of the condensing part 140.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16 and the condenser 14 are configured such that the evaporator side volume V1 is larger than the condenser side volume V2 ', and the refrigerant is sealed.
  • the hatching region is a liquid level lowering region.
  • the volume of the liquid level lowering region is referred to as a liquid level lowering volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2 '.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16, and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 'of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the evaporation portion 131 side when the liquid surface of the refrigerant on the liquid pipe 16 side rises to the upper end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the liquid level of the non-operating refrigerant is at the evaporation portion 131 and the liquid pipe 16 of the evaporator 13.
  • the liquid level of the refrigerant is in the gas pipe 15 and the liquid pipe 16.
  • the alternate long and short dash line in FIG. 17 indicates the liquid level position of the refrigerant at the time of non-operation.
  • the liquid level position of the non-operating refrigerant is at the gas pipe 15 and the liquid pipe 16.
  • the hatching region is an evaporator-side region.
  • the volume of the evaporator side region is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is a volume of a region of the evaporation portion 131, the gas passage portion 133, and the gas pipe 15 below the liquid surface of the refrigerant during non-operation time.
  • the hatched area is a condenser-side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2 '.
  • the condenser side volume V2 ' is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the upper end of the condensing part 140.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16 and the condenser 14 are configured such that the evaporator side volume V1 is larger than the condenser side volume V2 ', and the refrigerant is sealed.
  • the hatching region is a liquid level lowering region.
  • the volume of the liquid level lowering region is referred to as a liquid level lowering volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2 '.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16, and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 'of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the gas pipe 15 side when the liquid surface of the refrigerant on the liquid pipe 16 side has risen to the upper end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • one evaporator 13 is provided in the refrigerant circuit 12, but in the present embodiment, as shown in FIG. 19, a plurality of evaporators 13 are provided in the refrigerant circuit 12.
  • the plurality of evaporators 13 are arranged in parallel with each other in the flow of the refrigerant.
  • the plurality of evaporators 13 are arranged at the same height in the vertical direction of the vehicle.
  • the gas pipes 15 extend horizontally from the gas passage portions 133 of the plurality of evaporators 13 and merge into one and are connected to the condenser 14.
  • the portion of the liquid pipe 16 connected to the condenser 14 is one, and the liquid pipe 16 is branched into a plurality of liquid pipes toward the liquid passage portions 132 of the plurality of evaporators 13 along the way, and then divided into a plurality of evaporators.
  • Each of the 13 fluid passages 132 extends horizontally.
  • the total of the refrigerant flow passage cross-sectional areas of the two evaporation units 131 is larger than the refrigerant flow passage cross-sectional area of the liquid pipe 16.
  • the volume of the refrigerant enclosed in the refrigerant circuit 12 is equal to or more than the required refrigerant volume V0 shown in FIG.
  • the required refrigerant volume V0 is the sum of the volumes of the hatched regions in FIG.
  • the required refrigerant volume V0 is the total volume of the liquid passage portions 132 of the plurality of evaporators 13, the liquid piping 16, and the refrigerant first tank space 143 of the condenser 14.
  • the dashed-dotted line in FIG. 21 shows the liquid level position of the refrigerant at the time of non-operation.
  • the liquid level position of the non-operating refrigerant is at the evaporation sections 131 and the liquid piping 16 of the plurality of evaporators 13.
  • the hatching area is an evaporator-side area.
  • the volume of the evaporator side region is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the sum of the volumes of regions of the two evaporators 131 below the liquid level of the refrigerant during non-operation.
  • the hatching area is a condenser-side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2.
  • the condenser side volume V2 is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the lower end of the condensing part 140.
  • a plurality of evaporators 13, liquid pipes 16 and condensers 14 are configured and the refrigerant is sealed so that the evaporator side volume V1 is larger than the condenser side volume V2.
  • a hatching area is taken as a liquid level falling area.
  • the sum of the volumes in the liquid level falling region is referred to as a liquid level lowered volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the plurality of evaporators 13, the liquid pipes 16 and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the evaporation portion 131 side when the liquid surface of the refrigerant on the liquid pipe 16 side rises to the lower end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the liquid level of the non-operating refrigerant is in the evaporation portion 131 and the liquid pipe 16 of the evaporator 13.
  • the liquid level of the refrigerant is in the gas passage portions 133 of the plurality of evaporators 13, the gas pipe 15, and the liquid pipe 16.
  • the hatching region is an evaporator-side region.
  • the total volume of the evaporator side area is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the sum of the volumes of regions of the two evaporation units 131, the two gas passage units 133, and the gas piping 15 below the liquid level of the refrigerant during non-operation.
  • the hatched area is a condenser-side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2.
  • the condenser side volume V2 is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the lower end of the condensing part 140.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16, and the condenser 14 are configured such that the evaporator side volume V1 is larger than the condenser side volume V2, and the refrigerant is sealed.
  • the hatching area is a liquid level lowering area.
  • the volume of the liquid level lowering region is referred to as a liquid level lowering volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16, and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the evaporation portion 131 side when the liquid surface of the refrigerant on the liquid pipe 16 side rises to the lower end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the liquid level of the non-operating refrigerant is in the evaporation portion 131 and the liquid pipe 16 of the evaporator 13.
  • the liquid level of the refrigerant is in the gas pipe 15 and the liquid pipe 16.
  • the hatched area is the evaporator-side area.
  • the total volume of the evaporator side area is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the sum of the volumes of regions of the two evaporation units 131, the two gas passage units 133, and the gas piping 15 below the liquid level of the refrigerant during non-operation.
  • the hatching area is a condenser-side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2.
  • the condenser side volume V2 is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the lower end of the condensing part 140.
  • a plurality of evaporators 13, two gas pipes 15, a liquid pipe 16 and a condenser 14 are configured and the refrigerant is sealed so that the evaporator side volume V1 becomes larger than the condenser side volume V2.
  • the hatched area is a liquid level falling area.
  • the sum of the volumes in the liquid level falling region is referred to as a liquid level lowered volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the plurality of evaporators 13, the gas pipes 15, the liquid pipes 16, and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the gas pipe 15 side when the liquid surface of the refrigerant on the liquid pipe 16 side rises to the lower end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the plurality of evaporators 13 are arranged at the same height in the vertical direction of the vehicle. However, in the present embodiment, as shown in FIG. Are arranged at different heights in the vertical direction of the vehicle.
  • the volume of the refrigerant enclosed in the refrigerant circuit 12 is equal to or more than the total volume V0 of the hatched area in FIG. That is, the hatched area is the area below the lower end of the evaporation section 131 located at the top of the evaporation sections 131 of the plurality of evaporators 13, the liquid passage section 132 of the plurality of evaporators 13, the liquid It is a refrigerant first tank space 143 of the pipe 16 and the condenser 14.
  • the gas pipe 15 is joined to one at the same height as the gas passage portions 133 of the plurality of evaporators 13 and connected to the condenser 14, but in the present embodiment, the diagram is shown. As shown at 28, the gas pipes 15 are joined to one above the gas passage portions 133 of the plurality of evaporators 13 and connected to the condenser 14.
  • the total of the refrigerant flow passage cross-sectional areas of the two evaporation units 131 is larger than the refrigerant flow passage cross-sectional area of the liquid pipe 16.
  • the dashed-dotted line in FIG. 29 indicates the liquid level position of the refrigerant when not in operation.
  • the liquid level position of the non-operating refrigerant is at the gas passage portions 133 of the plurality of evaporators 13, the gas piping 15, and the liquid piping 16.
  • the hatching area is an evaporator-side area.
  • the total volume of the evaporator side area is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the sum of the volumes of regions of the two evaporation units 131, the two gas passage units 133, and the gas piping 15 below the liquid level of the refrigerant during non-operation.
  • the hatched area is a condenser-side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2.
  • the condenser side volume V2 is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the lower end of the condensing part 140.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16, and the condenser 14 are configured such that the evaporator side volume V1 is larger than the condenser side volume V2, and the refrigerant is sealed.
  • the hatching area is a liquid level falling area.
  • the volume of the liquid level lowering region is referred to as a liquid level lowering volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16, and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the evaporation portion 131 side when the liquid surface of the refrigerant on the liquid pipe 16 side rises to the lower end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the liquid level of the non-operating refrigerant is in the gas passage portion 133, the gas piping 15, and the liquid piping 16 of the plurality of evaporators 13, but in the present embodiment, the one-dot chain line in FIG. As shown in FIG. 1, the liquid level of the non-operating refrigerant is in the gas pipe 15 and the liquid pipe 16.
  • the hatched area is the evaporator-side area.
  • the total volume of the evaporator side area is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the sum of the volumes of regions of the two evaporation units 131, the two gas passage units 133, and the gas piping 15 below the liquid level of the refrigerant during non-operation.
  • the hatching area is a condenser-side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2.
  • the condenser side volume V2 is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the lower end of the condensing part 140.
  • a plurality of evaporators 13, two gas pipes 15, a liquid pipe 16 and a condenser 14 are configured and the refrigerant is sealed so that the evaporator side volume V1 becomes larger than the condenser side volume V2.
  • the hatching area is a liquid level lowering area.
  • the sum of the volumes in the liquid level falling region is referred to as a liquid level lowered volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the plurality of evaporators 13, the gas pipes 15, the liquid pipes 16, and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the gas pipe 15 side when the liquid surface of the refrigerant on the liquid pipe 16 side rises to the lower end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the two gas pipes 15 extending from the gas passage portion 133 of the plurality of evaporators 13 are joined to one in the middle and connected to the condenser 14 in the seventh to twelfth embodiments.
  • the two gas pipes 15 extending from the gas passage portions 133 of the plurality of evaporators 13 are separately connected to the condenser 14 without being merged on the way It is done.
  • the liquid level of the non-operating refrigerant is in the gas pipe 15 and the liquid pipe 16.
  • the hatched area is the evaporator-side area.
  • the total volume of the evaporator side area is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the sum of the volumes of regions of the two evaporation units 131, the two gas passage units 133, and the gas piping 15 below the liquid level of the refrigerant during non-operation.
  • the hatching area is a condenser side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2.
  • the condenser side volume V2 is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the lower end of the condensing part 140.
  • a plurality of evaporators 13, two gas pipes 15, a liquid pipe 16 and a condenser 14 are configured and the refrigerant is sealed so that the evaporator side volume V1 becomes larger than the condenser side volume V2.
  • a hatching area is a liquid level falling area.
  • the sum of the volumes in the liquid level falling region is referred to as a liquid level lowered volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the plurality of evaporators 13, the gas pipes 15, the liquid pipes 16, and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the gas pipe 15 side when the liquid surface of the refrigerant on the liquid pipe 16 side rises to the lower end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the volume of the refrigerant sealed in the refrigerant circuit 12 is equal to or more than the total volume V0 of the liquid passage portions 132 of the plurality of evaporators 13 and the liquid piping 16, but in the present embodiment As shown in FIG. 36, the volume of the refrigerant enclosed in the refrigerant circuit 12 corresponds to the liquid passage portions 132 of the plurality of evaporators 13, the refrigerant first tank space 143 and the condenser portion of the liquid piping 16 and the condenser 14. 140 or more in total volume V0 '.
  • the alternate long and short dash line in FIG. 37 indicates the liquid level position of the refrigerant when not operating.
  • the liquid level position of the non-operating refrigerant is at the evaporation sections 131 and the liquid piping 16 of the plurality of evaporators 13.
  • the hatching area is an evaporator-side area.
  • the volume of the evaporator side region is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the sum of the volumes of regions of the two evaporators 131 below the liquid level of the refrigerant during non-operation.
  • the hatched area is a condenser side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2 '.
  • the condenser side volume V2 ' is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the upper end of the condensing part 140.
  • a plurality of evaporators 13, liquid pipes 16 and condensers 14 are configured and the refrigerant is sealed so that the evaporator side volume V1 is larger than the condenser side volume V2 '.
  • a hatching area is taken as a liquid level falling area.
  • the sum of the volumes in the liquid level falling region is referred to as a liquid level lowered volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2 '.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the plurality of evaporators 13, the liquid pipes 16 and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 'of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the evaporation portion 131 side when the liquid surface of the refrigerant on the liquid pipe 16 side rises to the upper end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the liquid level of the non-operating refrigerant is in the evaporation portion 131 and the liquid pipe 16 of the evaporator 13.
  • the liquid level of the refrigerant is in the gas passage portions 133 of the plurality of evaporators 13, the gas pipe 15, and the liquid pipe 16.
  • the hatching region is an evaporator-side region.
  • the total volume of the evaporator side area is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the sum of the volumes of regions of the two evaporation units 131, the two gas passage units 133, and the gas piping 15 below the liquid level of the refrigerant during non-operation.
  • the hatched area is a condenser-side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2 '.
  • the condenser side volume V2 ' is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the upper end of the condensing part 140.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16 and the condenser 14 are configured such that the evaporator side volume V1 is larger than the condenser side volume V2 ', and the refrigerant is sealed.
  • hatching regions in the evaporation portions 131, the gas passage portions 133, and the gas pipes 15 of the plurality of evaporators 13 are taken as the liquid level falling region.
  • the volume of the liquid level lowering region is referred to as a liquid level lowering volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2 '.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16, and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 'of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the evaporation portion 131 side when the liquid surface of the refrigerant on the liquid pipe 16 side rises to the upper end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the liquid level of the non-operating refrigerant is in the evaporation portion 131 and the liquid pipe 16 of the evaporator 13.
  • the liquid level of the refrigerant is in the gas pipe 15 and the liquid pipe 16.
  • the hatched area is the evaporator-side area.
  • the total volume of the evaporator side area is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the sum of the volumes of regions of the two evaporation units 131, the two gas passage units 133, and the gas piping 15 below the liquid level of the refrigerant during non-operation.
  • the hatching area is a condenser-side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2 '.
  • the condenser side volume V2 ' is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the upper end of the condensing part 140.
  • a plurality of evaporators 13, two gas pipes 15, a liquid pipe 16 and a condenser 14 are configured and the refrigerant is sealed so that the evaporator side volume V1 is larger than the condenser side volume V2 '.
  • hatching regions in the evaporation sections 131, the gas passage portions 133, and the gas pipes 15 of the plurality of evaporators 13 are taken as the liquid level falling region.
  • the sum of the volumes in the liquid level falling region is referred to as a liquid level lowered volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2 '.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the plurality of evaporators 13, the gas pipe 15, and the liquid pipe 16 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 'of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the gas pipe 15 side when the liquid surface of the refrigerant on the liquid pipe 16 side has risen to the upper end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the plurality of evaporators 13 are arranged at the same height in the vertical direction of the vehicle. However, in the present embodiment, as shown in FIG. Are arranged at different heights in the vertical direction of the vehicle.
  • the volume of the refrigerant enclosed in the refrigerant circuit 12 is equal to or greater than the required refrigerant volume V0 'shown in FIG.
  • the required refrigerant volume V0 ' is the volume of the hatched area in FIG. That is, the required refrigerant volume V0 ′ is a region below the lower end of the evaporation unit 131 located at the top among the evaporation units 131 of the plurality of evaporators 13, the liquid passage 132 of the evaporator 13, the liquid pipe 16, The sum of the volumes of the refrigerant first tank space 143 and the condenser 140 of the condenser 14 is shown.
  • the gas piping 15 is joined to one at the same height as the gas passage portions 133 of the plurality of evaporators 13 and connected to the condenser 14, but in the present embodiment, the diagram is illustrated. As shown at 44, the gas pipe 15 is joined to one above the gas passage portions 133 of the plurality of evaporators 13 and connected to the condenser 14.
  • the dashed-dotted line in FIG. 44 indicates the liquid level position of the refrigerant when not in operation.
  • the liquid level position of the non-operating refrigerant is at the gas passage portions 133 of the plurality of evaporators 13, the gas piping 15, and the liquid piping 16.
  • the hatching region is an evaporator-side region.
  • the total volume of the evaporator side area is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the sum of the volumes of regions of the two evaporation units 131, the two gas passage units 133, and the gas piping 15 below the liquid level of the refrigerant during non-operation.
  • the hatched area is a condenser-side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2 '.
  • the condenser side volume V2 ' is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the upper end of the condensing part 140.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16 and the condenser 14 are configured such that the evaporator side volume V1 is larger than the condenser side volume V2 ', and the refrigerant is sealed.
  • the hatching area is a liquid level falling area.
  • the volume of the liquid level lowering region is referred to as a liquid level lowering volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2 '.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the evaporator 13, the gas pipe 15, the liquid pipe 16, and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 'of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the evaporation portion 131 side when the liquid surface of the refrigerant on the liquid pipe 16 side rises to the upper end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the liquid level of the non-operating refrigerant is in the gas passage portions 133, the gas pipes 15, and the liquid pipes 16 of the plurality of evaporators 13, but in the present embodiment, the dashed line in FIG. As shown in FIG. 1, the liquid level of the non-operating refrigerant is in the gas pipe 15 and the liquid pipe 16.
  • the hatched area is the evaporator-side area.
  • the total volume of the evaporator side area is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the sum of the volumes of regions of the two evaporation units 131, the two gas passage units 133, and the gas piping 15 below the liquid level of the refrigerant during non-operation.
  • the hatched area is a condenser-side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2 '.
  • the condenser side volume V2 ' is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the upper end of the condensing part 140.
  • a plurality of evaporators 13, two gas pipes 15, a liquid pipe 16 and a condenser 14 are configured and the refrigerant is sealed so that the evaporator side volume V1 is larger than the condenser side volume V2 '.
  • hatching regions in the evaporation units 131, the gas passage portions 133, and the gas pipes 15 of the plurality of evaporators 13 are taken as the liquid level falling region.
  • the sum of the volumes in the liquid level falling region is referred to as a liquid level lowered volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2 '.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the plurality of evaporators 13, the gas pipe 15, and the liquid pipe 16 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 'of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the gas pipe 15 side when the liquid surface of the refrigerant on the liquid pipe 16 side has risen to the upper end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the two gas pipes 15 extending from the gas passage portions 133 of the plurality of evaporators 13 merge into one along the way and are connected to the condenser 14.
  • the two gas pipes 15 extending from the gas passage portions 133 of the plurality of evaporators 13 are separately connected to the condenser 14 without merging on the way.
  • the liquid level of the non-operating refrigerant is in the gas pipe 15 and the liquid pipe 16.
  • the hatched area is the evaporator-side area.
  • the total volume of the evaporator side area is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the sum of the volumes of regions of the two evaporation units 131, the two gas passage units 133, and the gas piping 15 below the liquid level of the refrigerant during non-operation.
  • the hatching area is a condenser side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2 '.
  • the condenser side volume V2 ' is a volume of a region of the liquid pipe 16 and the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the upper end of the condensing part 140.
  • a plurality of evaporators 13, two gas pipes 15, a liquid pipe 16 and a condenser 14 are configured and the refrigerant is sealed so that the evaporator side volume V1 is larger than the condenser side volume V2 '.
  • hatching regions in the evaporation portions 131, the gas passage portions 133, and the gas pipes 15 of the plurality of evaporators 13 are taken as the liquid level falling region.
  • the sum of the volumes in the liquid level falling region is referred to as a liquid level lowered volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2 '.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the plurality of evaporators 13, the gas pipes 15, the liquid pipes 16, and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 'of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant during non-operation and the gas pipe 15 side when the liquid surface of the refrigerant on the liquid pipe 16 side has risen to the upper end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the condenser 14 is disposed above the evaporation portion 131 of the evaporator 13.
  • the entire condensation portion 140 of the condenser 14 is It is disposed at the same height as the evaporation portion 131 of the evaporator 13.
  • the volume of the refrigerant enclosed in the refrigerant circuit 12 is equal to or more than the total volume V 0 ′ of the liquid passage portion 132 of the evaporator 13, the liquid pipe 16, and the refrigerant first tank space 143 of the condenser 14 and the condenser 140. .
  • the total volume V0 ' is the volume of the hatched area in FIG.
  • the dashed-dotted line in FIG. 51 indicates the liquid level position of the refrigerant when not in operation.
  • the liquid level position of the non-operating refrigerant is at the evaporation portion 131 of the evaporator 13 and the condensation portion 140 of the condenser 14.
  • the hatching area is an evaporator-side area.
  • the volume of the evaporator side region is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the volume of the region of the evaporation section 131 below the liquid level of the refrigerant during non-operation.
  • the hatched area is taken as the condenser side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2 '.
  • the condenser side volume V2 ' is a volume of a region of the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the upper end of the condensation section 140.
  • the evaporator 13 and the condenser 14 are configured and the refrigerant is sealed so that the evaporator side volume V1 is larger than the condenser side volume V2 '.
  • the hatching area is taken as a liquid level falling area.
  • the volume of the liquid level lowering region is referred to as a liquid level lowering volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2 '.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the evaporator 13, the liquid pipe 16, and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 'of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant when not in operation and the evaporation portion 131 side when the liquid surface of the refrigerant on the condenser 14 side rises to the upper end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the refrigerant flow cross-sectional area of the evaporation portion 131 of the evaporator 13 be larger than the refrigerant flow cross-sectional area of the condenser 14.
  • a desired head can be formed with as little refrigerant as possible. In other words, it is possible to save the refrigerant and prevent the center of gravity at the time of operation from becoming high.
  • the entire condensation section 140 of the condenser 14 is disposed at the same height as the evaporation section 131 of the evaporator 13. However, in the present embodiment, as shown in FIG. A part of the condenser 140 is disposed above the evaporator 131 of the evaporator 13.
  • the volume of the refrigerant sealed in the refrigerant circuit 12 is equal to or more than the total volume V 0 ′ of the liquid passage portion 132 of the evaporator 13, the liquid pipe 16, and the condenser 14.
  • the total volume V0 ' is the volume of the hatched area in FIG.
  • the dashed-dotted line in FIG. 54 represents the liquid level position of the refrigerant when not in operation.
  • the liquid level position of the non-operating refrigerant is at the evaporation portion 131 of the evaporator 13 and the condensation portion 140 of the condenser 14.
  • the hatching area is an evaporator-side area.
  • the volume of the evaporator side region is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the volume of the region of the evaporation section 131 below the liquid level of the refrigerant during non-operation.
  • the hatched area is a condenser side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2 '.
  • the condenser side volume V2 ' is a volume of a region of the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the upper end of the condensation section 140.
  • the evaporator 13 and the condenser 14 are configured and the refrigerant is sealed so that the evaporator side volume V1 is larger than the condenser side volume V2 '.
  • the hatching area is taken as a liquid level falling area.
  • the volume of the liquid level lowering region is referred to as a liquid level lowering volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2 '.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the evaporator 13 and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 'of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant when not in operation and the evaporation portion 131 side when the liquid surface of the refrigerant on the condenser 14 side rises to the upper end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the refrigerant flow cross-sectional area of the evaporation portion 131 of the evaporator 13 be larger than the refrigerant flow cross-sectional area of the condenser 14.
  • a desired head can be formed with as little refrigerant as possible. In other words, it is possible to save the refrigerant and prevent the center of gravity at the time of operation from becoming high.
  • the liquid level position of the non-operating refrigerant is at the evaporation portion 131 and the condenser 14 of the evaporator 13.
  • the position of the liquid surface is located in the gas passage portion 133 of the evaporator 13, the gas pipe 15, and the condensing portion 140 of the condenser 14.
  • the hatching region is an evaporator-side region.
  • the volume of the evaporator side region is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is a volume of a region of the evaporation portion 131, the gas passage portion 133, and the gas pipe 15 below the liquid surface of the refrigerant during non-operation time.
  • the hatched area is taken as the condenser side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2 '.
  • the condenser side volume V2 ' is a volume of a region of the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the upper end of the condensation section 140.
  • the evaporator 13, the gas pipe 15, and the condenser 14 are configured such that the evaporator side volume V1 is larger than the condenser side volume V2 ', and the refrigerant is sealed.
  • the hatching area is taken as a liquid level lowering area.
  • the volume of the liquid level lowering region is referred to as a liquid level lowering volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2 '.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the evaporator 13, the gas pipe 15, and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 'of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant when not in operation and the evaporation portion 131 side when the liquid surface of the refrigerant on the condenser 14 side rises to the upper end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the refrigerant flow cross-sectional area of the evaporation portion 131 of the evaporator 13 be larger than the refrigerant flow cross-sectional area of the condenser 14.
  • a desired head can be formed with as little refrigerant as possible. In other words, it is possible to save the refrigerant and prevent the center of gravity at the time of operation from becoming high.
  • the liquid level of the non-operating refrigerant is in the gas passage portion 133, the gas pipe 15, and the condenser 14 of the evaporator 13.
  • the liquid level of the non-operating refrigerant is in the gas pipe 15 and the condenser portion 140 of the condenser 14.
  • the hatched region is an evaporator-side region.
  • the total volume of the evaporator side area is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the total volume of the region of the evaporation portion 131, the gas passage portion 133, and the gas pipe 15 below the liquid surface of the refrigerant during non-operation time.
  • the hatched area is taken as the condenser side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2 '.
  • the condenser side volume V2) is a volume of a region of the condenser 14 above the liquid level of the refrigerant at the time of non-operation and below the upper end of the condensing part 140.
  • the evaporator 13, the gas pipe 15, and the condenser 14 are configured such that the evaporator side volume V1 is larger than the condenser side volume V2 ', and the refrigerant is sealed.
  • the hatching area is a liquid level lowering area.
  • the sum of the volumes in the liquid level falling region is referred to as a liquid level lowered volume V3.
  • the liquid level lowering volume V3 is equal to the condenser side volume V2 '.
  • the upper end of the liquid level falling area is the same as the liquid level position of the refrigerant when not in operation.
  • the evaporator 13, the gas pipe 15, and the condenser 14 are configured such that the height h1 of the liquid level falling area is smaller than the height h2 'of the condenser side area.
  • the height h1 of the liquid level falling region is the height of the liquid surface of the refrigerant when not in operation and the gas pipe 15 side when the liquid surface of the refrigerant on the condenser 14 side rises to the upper end of the condenser 140 of the condenser 14 This is the difference between the liquid level and
  • the refrigerant flow cross-sectional area of the evaporation portion 131 of the evaporator 13 be larger than the refrigerant flow cross-sectional area of the condenser 14.
  • a desired head can be formed with as little refrigerant as possible. In other words, it is possible to save the refrigerant and prevent the center of gravity at the time of operation from becoming high.
  • a part of the condensation part 140 of the condenser 14 is disposed above the evaporation part 131 of the evaporator 13.
  • a part of the condenser 140 of the second embodiment is disposed below the evaporator 131 of the evaporator 13.
  • the volume of the refrigerant enclosed in the refrigerant circuit 12 is equal to or greater than the required refrigerant volume V0 'shown in FIG.
  • the required refrigerant volume V0 ' is the volume of the hatched area in FIG.
  • the required refrigerant volume V 0 ′ is the total volume of the liquid passage portion 132 of the evaporator 13, the liquid pipe 16, and the refrigerant first tank space 143 of the condenser 14 and the condenser 140.
  • the terminal 112 of each battery cell 111 of the battery 11 is disposed on the side of the battery cell 111 on the opposite side to the evaporation part 131, but in the present embodiment, it is shown in FIGS.
  • the terminal 112 of each battery cell 111 of the battery 11 is disposed on the top surface of the battery cell 111.
  • the battery 11 is disposed on the side surface of the evaporation unit 131, but in the present embodiment, the battery 11 is disposed on the upper surface of the evaporation unit 131, as shown in FIGS.
  • the upper surface of the evaporation portion 131 of the evaporator 13 is flat.
  • the liquid passage 132 and the gas passage 133 of the evaporator 13 are disposed on the side of the evaporation unit 131.
  • the battery 11 is disposed on the top surface of the evaporation unit 131.
  • the terminal 112 of each battery cell 111 of the battery 11 is disposed on the top surface of the battery cell 111.
  • An electrically insulating thermally conductive sheet 17 is interposed between the evaporating unit 131 and the battery assembly 11.
  • the electrically insulating thermally conductive sheet 17 is a thin film-like member having electrical insulation and thermal conductivity.
  • a plate-shaped heat conduction member may be interposed between the evaporation unit 131 and the battery assembly 11.
  • one condenser 14 is provided in the refrigerant circuit 12, but in the present embodiment, as shown in FIG. 65, a plurality of the condensers 14 are provided in the refrigerant circuit 12.
  • the plurality of condensers 14 are arranged in parallel with each other in the flow of the refrigerant.
  • the plurality of condensers 14 are disposed at different heights in the vertical direction of the vehicle.
  • the liquid pipes 16 extend from the plurality of condensers 14 and merge into one and are connected to the evaporator 13.
  • the gas pipe 15 has one portion connected to the evaporator 13 and branches to a plurality of condensers 14 along the way.
  • the volume of the refrigerant sealed in the refrigerant circuit 12 is equal to or more than the total volume V0 of the liquid passage portion 132 of the evaporator 13, the liquid piping 16, and the refrigerant first tank spaces 143 of the plurality of condensers 14.
  • the total volume V0 is the volume of the hatched area in FIG.
  • the dashed-dotted line in FIG. 66 indicates the liquid level position of the refrigerant when not in operation.
  • the liquid level position of the non-operating refrigerant is at the evaporation portion 131 of the evaporator 13 and the liquid pipe 16.
  • the hatching area is taken as the evaporator side area.
  • the volume of the evaporator side region is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the volume of the region of the evaporation section 131 below the liquid level of the refrigerant during non-operation.
  • the hatched area is a condenser side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2.
  • the condenser-side volume V2 is the volume of the region of the liquid pipe 16 and the condenser 14 which is located lower than the lower end of the condenser portion 140 of the condenser 14 which is located higher and highest than the liquid level of the refrigerant during non-operation. Is the sum of
  • the evaporator 13, the liquid piping 16, and the plurality of condensers 14 are configured and the refrigerant is sealed such that the evaporator side volume V1 is larger than the condenser side volume V2.
  • the volume of the refrigerant enclosed in the refrigerant circuit 12 is the required refrigerant volume V0 or more, but in the present embodiment, the volume of the refrigerant enclosed in the refrigerant circuit 12 is shown in FIG. The required refrigerant volume V0 'or more.
  • the required refrigerant volume V 0 ′ is the total volume of the liquid passage portions 132 of the plurality of evaporators 13, the liquid piping 16, and the refrigerant first tank spaces 143 and the condenser 140 of the plurality of condensers 14.
  • the dashed-dotted line in FIG. 68 indicates the liquid level position of the refrigerant when not in operation.
  • the liquid level position of the non-operating refrigerant is at the evaporation portion 131 of the evaporator 13 and the liquid pipe 16.
  • the hatching area is taken as the evaporator side area.
  • the volume of the evaporator side region is referred to as an evaporator side volume V1.
  • the evaporator-side volume V1 is the sum of the volumes of regions of the evaporation section 131 below the liquid level of the refrigerant during non-operation.
  • the hatched area is a condenser side area.
  • the volume of the condenser side region is referred to as a condenser side volume V2 '.
  • the condenser-side volume V2 ′ is the volume of the region of the liquid pipe 16 above the liquid level of the refrigerant during non-operation time, and the volumes of the refrigerant first tank spaces 143 of the plurality of condensers 14 and the condenser 140 Is the sum of
  • the plurality of evaporators 13, the liquid pipes 16 and the plurality of condensers 14 are configured and the refrigerant is sealed such that the evaporator side volume V1 is larger than the condenser side volume V2 '.
  • the refrigerant circuit 12 includes the condenser 14 in the above embodiment
  • the refrigerant circuit 12 includes the air-cooled condenser 24 instead of the condenser 14 in this embodiment.
  • the air-cooled condenser 24 is a heat exchanger which causes the refrigerant evaporated in the evaporator 13 to exchange heat with air, thereby cooling and condensing the refrigerant.
  • the air-cooling condenser 24 is configured by a so-called tank-and-tube type heat exchanger.
  • the air-cooled condenser 24 has a plurality of tubes 241, fins 242, an upper tank 243, a lower tank 244 and a side plate 245.
  • the tube 241 is a tubular member forming a flow path through which the refrigerant flows.
  • the tube 241 performs heat exchange between the refrigerant flowing inside and the air flowing outside to cool and condense the refrigerant.
  • the tube 241 is formed of a metal (for example, an aluminum alloy) which is excellent in heat conductivity.
  • the tube 241 is a flat tube whose cross-sectional shape perpendicular to the longitudinal direction is formed flat.
  • the plurality of tubes 241 are stacked and arranged at a constant interval such that flat surfaces (in other words, flat surfaces) of the outer surfaces are parallel to each other. Thereby, an air passage through which air flows is formed between the adjacent tubes 241.
  • the tube 241 is arranged such that its longitudinal direction is substantially parallel to the vertical direction of the vehicle.
  • Fins 242 are disposed in the air passage formed between the adjacent tubes 241.
  • the fins 242 are heat exchange promoting members that promote heat exchange between the refrigerant and the air.
  • the fin 242 is a corrugated fin formed by bending a thin plate made of the same material as the tube 241 into a wave shape, and the top thereof is brazed to the flat surface of the tube 241.
  • the fins 242 are illustrated only in a part between the adjacent tubes 241, but the fins 242 are disposed over substantially the entire area between the adjacent tubes 241.
  • the tube 241 and the fins 242 constitute a condensation unit 240 which causes the refrigerant to exchange heat with air to condense by cooling.
  • the upper tank 243 is connected to the upper end of the plurality of tubes 241.
  • the lower tank 244 is connected to the lower end portion of the plurality of tubes 241.
  • a refrigerant inlet 243 a is formed in the upper tank 243.
  • the lower tank 244 is formed with an outlet 244 a for the refrigerant.
  • the upper tank 243 is a tank that distributes the refrigerant to the plurality of tubes 241.
  • the refrigerant distributed from the upper tank 243 to the plurality of tubes 241 is cooled and condensed by the plurality of tubes 241 and flows down to the lower tank 244.
  • the lower tank 244 is a tank in which the refrigerant flowing through the plurality of tubes 241 is collected.
  • the upper tank 243 and the lower tank 244 are formed of the same material as the tube 241 and have a bottomed cylindrical shape.
  • the upper tank 243 and the lower tank 244 are formed to extend in the stacking direction of the tubes 241. Both ends of the upper tank 243 and the lower tank 244 are closed.
  • the side plate 245 is a reinforcing member that reinforces the condensing portion 240.
  • the side plate 245 is formed of the same material as the tube 241 and the fins 242.
  • the side plate 245 is brazed to the upper tank 243, the leeward upper tank 135, the lower tank 244, and the leeward lower tank 137.
  • the gas pipe 15 and the liquid pipe 16 may be disposed so as to bypass other parts and members of the vehicle for the convenience of mounting on the vehicle.
  • the battery assembly 11 is disposed under the floor of the vehicle, the battery assembly 11 may be disposed behind the vehicle, for example, under a trunk room or under a rear seat.
  • the battery assembly 11 may be disposed, for example, in an engine room or the like in front of the vehicle.
  • a fluorocarbon-based refrigerant is used as the refrigerant of the refrigerant circuit 12, but another refrigerant such as propane or carbon dioxide, or another medium that undergoes a phase change may be used.
  • the device in other words, the object to be cooled
  • the vehicle thermosiphon cooling device 10 is the battery pack 11
  • the device to be cooled may be another device such as a motor, an inverter, or a charger.
  • the refrigerant channel cross-sectional area of the evaporator 131 is substantially constant over the entire length of the refrigerant channel, but the refrigerant channel cross-sectional area of the evaporator 131 is changed as necessary. May be Even in this case, when the refrigerant channel cross-sectional area of the evaporation unit 131 satisfies the relationship of the above embodiment, the same function and effect as the above embodiment can be obtained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Secondary Cells (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
PCT/JP2018/044458 2018-01-29 2018-12-04 車両用サーモサイフォン式冷却装置 Ceased WO2019146262A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201880087791.2A CN111656121A (zh) 2018-01-29 2018-12-04 车辆用热虹吸式冷却装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-012606 2018-01-29
JP2018012606A JP2019132456A (ja) 2018-01-29 2018-01-29 車両用サーモサイフォン式冷却装置

Publications (1)

Publication Number Publication Date
WO2019146262A1 true WO2019146262A1 (ja) 2019-08-01

Family

ID=67395111

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/044458 Ceased WO2019146262A1 (ja) 2018-01-29 2018-12-04 車両用サーモサイフォン式冷却装置

Country Status (3)

Country Link
JP (1) JP2019132456A (cg-RX-API-DMAC10.html)
CN (1) CN111656121A (cg-RX-API-DMAC10.html)
WO (1) WO2019146262A1 (cg-RX-API-DMAC10.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117553606A (zh) * 2023-11-13 2024-02-13 南京工业大学 一种基于非共沸混合工质的多温冷却热虹吸管装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230087578A (ko) * 2020-10-16 2023-06-16 허니웰 인터내셔날 인코포레이티드 신규한 히트 파이프 구성

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6012152U (ja) * 1983-07-04 1985-01-26 松下電器産業株式会社 太陽熱温水器
JPS62107269U (cg-RX-API-DMAC10.html) * 1985-12-20 1987-07-09
JPH10227586A (ja) * 1997-02-14 1998-08-25 Denso Corp 沸騰冷却器および筐体冷却装置
JP2005321155A (ja) * 2004-05-10 2005-11-17 Fujikura Ltd 冷却装置
JP2006275424A (ja) * 2005-03-29 2006-10-12 Fujikura Ltd 冷却装置
JP2008025877A (ja) * 2006-07-19 2008-02-07 Denso Corp 排気熱回収器
JP2011191033A (ja) * 2010-03-16 2011-09-29 Toyota Motor Corp 熱回収装置
US20120003516A1 (en) * 2010-06-30 2012-01-05 Nissan Technical Center North America, Inc. Vehicle battery temperature control system and method
JP2015041418A (ja) * 2013-08-20 2015-03-02 トヨタ自動車株式会社 電池温度調節装置
JP2016160907A (ja) * 2015-03-05 2016-09-05 本田技研工業株式会社 沸騰冷却装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2282624B1 (en) * 2009-08-05 2012-04-18 ABB Research Ltd. Evaporator and cooling circuit
US20110206964A1 (en) * 2010-02-24 2011-08-25 Gm Global Technology Operations, Inc. Cooling system for a battery assembly
WO2012003209A1 (en) * 2010-06-30 2012-01-05 Nissan North America, Inc. Vehicle battery temperature control system and method
JP2014029232A (ja) * 2012-07-31 2014-02-13 Nippon Soken Inc 冷却装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6012152U (ja) * 1983-07-04 1985-01-26 松下電器産業株式会社 太陽熱温水器
JPS62107269U (cg-RX-API-DMAC10.html) * 1985-12-20 1987-07-09
JPH10227586A (ja) * 1997-02-14 1998-08-25 Denso Corp 沸騰冷却器および筐体冷却装置
JP2005321155A (ja) * 2004-05-10 2005-11-17 Fujikura Ltd 冷却装置
JP2006275424A (ja) * 2005-03-29 2006-10-12 Fujikura Ltd 冷却装置
JP2008025877A (ja) * 2006-07-19 2008-02-07 Denso Corp 排気熱回収器
JP2011191033A (ja) * 2010-03-16 2011-09-29 Toyota Motor Corp 熱回収装置
US20120003516A1 (en) * 2010-06-30 2012-01-05 Nissan Technical Center North America, Inc. Vehicle battery temperature control system and method
JP2015041418A (ja) * 2013-08-20 2015-03-02 トヨタ自動車株式会社 電池温度調節装置
JP2016160907A (ja) * 2015-03-05 2016-09-05 本田技研工業株式会社 沸騰冷却装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117553606A (zh) * 2023-11-13 2024-02-13 南京工业大学 一种基于非共沸混合工质的多温冷却热虹吸管装置

Also Published As

Publication number Publication date
JP2019132456A (ja) 2019-08-08
CN111656121A (zh) 2020-09-11

Similar Documents

Publication Publication Date Title
US10996002B2 (en) Evaporator
JP6593544B2 (ja) 機器温調装置
JP6693480B2 (ja) 端子冷却装置
US20190379014A1 (en) Battery cooling device for vehicle
WO2018047533A1 (ja) 機器温調装置
US20120318473A1 (en) Cooling device for vehicle
WO2018047534A1 (ja) 機器温調装置
JP2020184430A (ja) 冷却装置
JP2019052837A (ja) 機器温調装置
JPWO2018055944A1 (ja) 機器温調装置
WO2018186179A1 (ja) 車載機器冷却装置
WO2013084472A1 (ja) 熱利用システム
CN111656121A (zh) 车辆用热虹吸式冷却装置
WO2019093230A1 (ja) 機器温調装置
JP2019082310A (ja) 機器温調装置
JP7159771B2 (ja) 機器温調装置
WO2019054076A1 (ja) 機器温調装置
JP6773064B2 (ja) 車載機器冷却装置
WO2019123881A1 (ja) 機器温調装置
JP5766993B2 (ja) 車両用マルチ冷却装置
WO2020017414A1 (ja) サーモサイフォン式熱交換装置
JP2020186891A (ja) 機器温調装置
JP2021028545A (ja) サーモサイフォン式冷却装置
WO2018070182A1 (ja) 機器温調装置
WO2019093065A1 (ja) 蒸発器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18902807

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18902807

Country of ref document: EP

Kind code of ref document: A1