WO2019054076A1 - Appareil de réglage de température de dispositif - Google Patents

Appareil de réglage de température de dispositif Download PDF

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Publication number
WO2019054076A1
WO2019054076A1 PCT/JP2018/029095 JP2018029095W WO2019054076A1 WO 2019054076 A1 WO2019054076 A1 WO 2019054076A1 JP 2018029095 W JP2018029095 W JP 2018029095W WO 2019054076 A1 WO2019054076 A1 WO 2019054076A1
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WIPO (PCT)
Prior art keywords
gas phase
passage
working fluid
connection portion
phase passage
Prior art date
Application number
PCT/JP2018/029095
Other languages
English (en)
Japanese (ja)
Inventor
功嗣 三浦
康光 大見
義則　毅
竹内　雅之
Original Assignee
株式会社デンソー
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
Priority claimed from JP2018137127A external-priority patent/JP6784281B2/ja
Application filed by 株式会社デンソー filed Critical 株式会社デンソー
Priority to CN201880046989.6A priority Critical patent/CN110892225B/zh
Publication of WO2019054076A1 publication Critical patent/WO2019054076A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D9/00—Devices not associated with refrigerating machinery and not covered by groups F25D1/00 - F25D7/00; Combinations of devices covered by two or more of the groups F25D1/00 - F25D7/00
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/06—Control arrangements therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
    • H01L23/427—Cooling by change of state, e.g. use of 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
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6552—Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • 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

Definitions

  • the present disclosure relates to a device temperature control apparatus that adjusts the temperature of a target device.
  • An apparatus temperature control device described in Patent Document 1 includes: a heat exchanger for equipment which performs heat exchange between a battery as a target equipment and a working fluid; and a condenser disposed above the heat exchanger for equipment in the direction of gravity. A gas phase passage and a liquid phase passage connecting the heat exchanger for the equipment and the condenser are provided.
  • the device temperature control device includes a heating member capable of heating the working fluid inside the device heat exchanger.
  • the device temperature control device described in Patent Document 1 when the battery is cooled, the working fluid inside the device heat exchanger absorbs heat from the battery, evaporates, and flows into the condenser through the gas phase passage. The liquid phase working fluid condensed by the condenser flows through the liquid phase passage into the equipment heat exchanger. As described above, the device temperature control device is configured to cool the battery by the phase change of the working fluid circulating in the thermosyphon circuit.
  • thermo-siphon-type device temperature control apparatus As described in Patent Document 1. That is, as shown in FIG. 42, when the device temperature control device 100 is mounted on a vehicle or the like, the device temperature control device 100 may tilt as well as the vehicle. In the state shown in FIG. 42, in the heat exchanger 110 for the device included in the device temperature control apparatus 100, the connection portion 201 connected to the heat exchanger 110 for the device in the gas phase passage 200 is on the lower side in the gravity direction. It is inclined. Therefore, the liquid level FL of the working fluid in the liquid phase in the heat exchanger 110 for equipment is located above the connection portion 201 of the gas phase passage 200. That is, the connection portion 201 of the gas phase passage 200 is submerged in the liquid phase working fluid.
  • the working fluid evaporated in the device heat exchanger 110 at the time of heat generation of the battery does not flow to the gas phase passage 200 and is accumulated in the upper space 120 in the device heat exchanger 110. Therefore, the working fluid does not circulate in the thermosyphon circuit configured by the device heat exchanger 110, the gas phase passage 200, the condenser 500, and the liquid phase passage 550, and the device temperature controller 100 can not cool the battery.
  • the target device that the device temperature adjustment device 100 performs temperature adjustment can be a battery pack mounted on an electric vehicle such as an electric vehicle or a hybrid vehicle.
  • the battery pack is constituted by a large number of battery cells, and is disposed under the floor of the electric vehicle, so that the size in the horizontal direction is large. Therefore, the length in the horizontal direction of the heat exchanger 110 for the device also increases along with the battery pack. Therefore, even when the inclination angle of the electric powered vehicle is small, the connection portion 210 of the gas phase passage 200 is likely to be submerged in the liquid phase working fluid. That is, when the target device is the battery pack of the electric vehicle, the influence of the inclination of the electric vehicle on the battery cooling capacity of the device temperature control apparatus 100 is large.
  • An object of the present disclosure is to provide a device temperature control device capable of performing temperature control of a target device even when the device is inclined.
  • an apparatus temperature control apparatus that adjusts a temperature of a target device by a phase change between a liquid phase and a gas phase of a working fluid
  • a device temperature control unit having one or more device heat exchangers configured to be able to exchange heat between the target device and the working fluid so that the working fluid evaporates when the target device is cooled;
  • a condenser which dissipates the gas phase working fluid and drains the condensed liquid phase working fluid;
  • a plurality of gas phase passages for flowing a gas phase working fluid between the equipment temperature control unit and the condenser;
  • the first connection portion in which the first gas phase passage is connected to the device temperature adjustment unit among the plurality of gas phase passages and the second connection portion in which the second gas phase passage is connected to the device temperature adjustment portion are horizontally separated Located in the
  • the working fluid evaporated in the heat exchanger for equipment included in the equipment temperature control unit is transferred from the first connection or the second connection located at the upper side in the gravity direction to at least the first gas phase passage or the second gas phase passage. It flows to one side and flows into the condenser.
  • the working fluid condensed by the condenser flows through the liquid phase passage and flows into the heat exchanger for equipment.
  • an apparatus temperature control apparatus for adjusting a temperature of a target device by a phase change between a liquid phase and a gas phase of a working fluid
  • a plurality of device heat exchangers configured to be able to exchange heat between the target device and the working fluid so that the working fluid evaporates when the target device is cooled, and a connection passage connecting the plurality of device heat exchangers
  • a device temperature control unit A condenser which dissipates the gas phase working fluid and drains the condensed liquid phase working fluid;
  • a liquid phase passage for flowing a liquid phase working fluid between the plurality of equipment heat exchangers and the condenser;
  • a plurality of gas phase passages for flowing a gas phase working fluid between the plurality of equipment heat exchangers and the condenser;
  • the first connection portion in which the first gas phase passage is connected to the device temperature adjustment unit among the plurality of gas phase passages and the second connection portion in which the second gas phase passage is connected to the device temperature adjustment portion are horizontally separated It is located in the same
  • the working fluid evaporated in the plurality of equipment heat exchangers included in the equipment temperature control unit is transferred from the first connection or the second connection located on the upper side in the direction of gravity to the first gas phase passage or the second gas phase passage. Flow through at least one of the two into the condenser.
  • the working fluid condensed by the condenser flows through the liquid phase passage and flows into the plurality of equipment heat exchangers. The circulation of the working fluid allows the device temperature control device to cool the target device even when the plurality of device heat exchangers are inclined.
  • FIG. 1 It is a schematic block diagram of the apparatus temperature control apparatus which concerns on 1st Embodiment. It is a perspective view of the heat exchanger for apparatuses with which an apparatus heat regulation apparatus is equipped, and a battery module. It is sectional drawing of the heat exchanger for apparatuses with which an apparatus temperature control apparatus is equipped, and a battery module. It is explanatory drawing which shows the flow of the working fluid at the time of the battery cooling of an apparatus temperature control apparatus. It is explanatory drawing which shows the flow of the working fluid when an apparatus temperature control apparatus inclines. It is explanatory drawing which shows the flow of the working fluid when an apparatus temperature control apparatus inclines.
  • FIG. 1 It is an enlarged view of XXVIII part of FIG. It is an enlarged view of the XXIX part of FIG.
  • FIG. 37 is an enlarged view of a portion XXXVII of FIG. 36;
  • FIG. 37 is an enlarged view of a portion XXXVIII in FIG.
  • It is a schematic block diagram of the apparatus temperature control apparatus which concerns on 23rd Embodiment.
  • It is an enlarged view of the XL part of FIG.
  • It is an enlarged view of the XLI part of FIG.
  • It is a schematic block diagram of the conventional apparatus temperature control apparatus.
  • the device temperature control device 1 is mounted on an electric vehicle (hereinafter simply referred to as a “vehicle”) such as an electric vehicle, a plug-in hybrid vehicle, or a hybrid vehicle.
  • vehicle such as an electric vehicle, a plug-in hybrid vehicle, or a hybrid vehicle.
  • the device temperature control device 1 of the first embodiment (hereinafter sometimes referred to as “this device 1”) cools or warms up a secondary battery (hereinafter referred to as “battery”) mounted on a vehicle, and the battery temperature To adjust the
  • a large battery 2 installed in a vehicle is mounted under a seat of the vehicle or under a trunk room as a battery pack (i.e., a storage device) in which a plurality of battery modules in which a plurality of battery cells 3 are combined is stored.
  • the power stored in the battery 2 is supplied to the vehicle drive motor via an inverter or the like.
  • the battery 2 generates heat when power is supplied, for example, while the vehicle is traveling.
  • the battery 2 becomes high temperature it not only can not perform sufficient functions but also accelerates deterioration, so it is necessary to limit the output and input so as to reduce self-heating. Therefore, in order to secure the output and input of the battery 2, a cooling device for maintaining the battery 2 at a predetermined temperature or lower is required.
  • the temperature of the battery 2 rises not only while the vehicle is traveling but also while it is parked and the like.
  • the battery 2 is often disposed under the floor of the vehicle, under the trunk room, etc., and although the amount of heat per unit time given to the battery 2 is small, the temperature of the battery 2 gradually rises by leaving for a long time.
  • the life of the battery 2 is shortened. Therefore, it is desired to maintain the temperature of the battery 2 at a predetermined temperature or less even while the vehicle is parked.
  • the battery 2 is configured by a plurality of battery cells 3.
  • the battery 2 when the temperature of each battery cell 3 is uneven, deterioration of the battery cell 3 is biased and the storage performance is lowered.
  • the battery 2 is configured to include a series connection of a plurality of battery cells 3, and the input / output characteristics of the battery 2 are determined in accordance with the characteristics of the battery cell 3 that has deteriorated the most. Therefore, in order to cause the battery 2 to exhibit desired performance over a long period of time, it is important to make the temperature uniform to reduce the temperature variation among the plurality of battery cells 3.
  • air-cooling type cooling means by a blower and cooling means utilizing cold heat of a vapor compression type refrigeration cycle are generally used.
  • the air-cooling type cooling means by the blower since the air-cooling type cooling means by the blower only blows the air in the passenger compartment, the cooling capacity is low. Further, since the air blown by the blower cools the battery 2 with sensible heat of air, the temperature difference between the upstream and the downstream of the air flow becomes large, and temperature variations among the plurality of battery cells 3 can not be sufficiently suppressed.
  • the cooling means utilizing the cold heat of the refrigeration cycle has a high cooling capacity, it is necessary to drive a compressor or the like that consumes a large amount of power while the vehicle is parked. This is not preferable because it causes an increase in power consumption and noise.
  • the device temperature control device 1 of the present embodiment adopts a thermosiphon system in which the temperature of the battery 2 is adjusted by natural circulation of the working fluid without forcibly circulating the working fluid by the compressor.
  • the device temperature control apparatus 1 As shown in FIG. 1, in the device temperature adjusting device 1, the device temperature adjusting unit 10, a plurality of gas phase passages 21, 22, 40, a condenser 50, a liquid phase passage 55 and the like are mutually connected and sealed fluid It is configured as a circuit.
  • the apparatus temperature control apparatus 1 constitutes a loop-type thermosiphon circuit in which a flow path in which a working fluid in a gas phase flows and a flow path in which a working fluid in a liquid phase flows are separated. A predetermined amount of working fluid is enclosed in the thermosiphon circuit in a state where the inside thereof is evacuated.
  • the working fluid for example, fluorocarbon-based refrigerants such as HFO-1234yf or HFC-134a are used.
  • the enclosed amount of the working fluid is adjusted so that the fluid level FL of the working fluid is located midway in the height direction of the heat exchanger for equipment.
  • an example of the height of the fluid level FL of the working fluid is indicated by a dashed dotted line.
  • the upper and lower sides shown with the double arrow of drawing have shown the upper side and lower side of the gravity direction in the state by which the apparatus temperature control apparatus 1 was mounted in the vehicle etc.
  • the device temperature adjusting unit 10 is configured of one heat exchanger 11 for a device.
  • the device heat exchanger 11 has a shape having a longitudinal direction and a short direction when viewed from the gravity direction.
  • the device heat exchanger 11 is configured of a cylindrical upper header tank 111, a cylindrical lower header tank 112, and a heat exchange unit 113.
  • the upper header tank 111 is provided at a position on the equipment heat exchanger 11 above the gravity direction.
  • the lower header tank 112 is provided at a position on the lower side in the direction of gravity of the heat exchanger 11 for equipment.
  • the plurality of heat exchange units 113 have a plurality of tubes which connect the flow passage in the upper header tank 111 and the flow passage in the lower header tank 112.
  • the heat exchange portion 113 may have a plurality of flow paths formed inside a plate-like member.
  • Each component of the device heat exchanger 11 is made of, for example, a metal having high thermal conductivity, such as aluminum or copper.
  • the battery 2 is installed outside the heat exchange unit 113 via the electrically insulating heat conductive sheet 114. While the insulation between the heat exchange part 113 and the battery 2 is secured by the heat conduction sheet 114, the thermal resistance between the heat exchange part 113 and the battery 2 becomes small.
  • the surface 6 opposite to the surface 5 on which the terminal 4 is provided is installed in the heat exchange unit 113 via the heat conduction sheet 114. It is also possible to omit the heat conduction sheet 114 and directly connect the battery 2 and the heat exchange unit 113.
  • the plurality of battery cells 3 constituting the battery 2 are arranged in a direction intersecting the gravity direction.
  • the method of installing the battery 2 is not limited to that shown in FIGS. 1 to 3, and any method may be employed as will be described in the fifteenth and sixteenth embodiments described later.
  • the number, shape, and the like of the battery cells 3 constituting the battery 2 are not limited to those shown in FIGS. 1 to 3, and arbitrary ones can be adopted.
  • the battery 2 can exchange heat with the working fluid inside the heat exchanger 11 for equipment.
  • the working fluid in the liquid phase in the device heat exchanger 11 evaporates.
  • the plurality of battery cells 3 are evenly cooled by the latent heat of vaporization of the working fluid.
  • Outlets 111 a and 111 b are provided on the left and right of the upper header tank 111 in the longitudinal direction of the upper heat exchanger 11 for the device.
  • the lower header tank 112 is provided with an inlet 112 a.
  • the outflow ports 111a and 111b are pipe connection portions for connecting the end portions of the gas pipes constituting the gas phase passages 21, 22 and 40.
  • the inflow port 112 a is a pipe connection portion for connecting an end portion of the liquid pipe constituting the liquid phase passage 55.
  • the plurality of gas phase passages 21, 22, 40 are passages for flowing the working fluid of the gas phase evaporated inside the heat exchanger 11 for an instrument to the condenser 50.
  • the plurality of gas phase passages 21, 22, and 40 are configured to include the first gas phase passage 21, the second gas phase passage 22, and the merging passage 40.
  • One end of the first gas phase passage 21 is connected to an outlet 111 a provided on one side of the upper header tank 111 in the longitudinal direction of the heat exchanger 11 for equipment.
  • the end at which the first gas phase passage 21 is connected to the heat exchanger 11 for equipment is referred to as a first connection portion 211.
  • One end of the second gas phase passage 22 is connected to an outlet 111 b provided at the other end of the upper header tank 111 in the longitudinal direction of the heat exchanger 11 for equipment.
  • the end at which the second gas phase passage 22 is connected to the heat exchanger 11 for apparatus is referred to as a second connection portion 221.
  • the first connection portion 211 of the first gas phase passage 21 and the second connection portion 221 of the second gas phase passage 22 are provided at horizontally separated positions in one heat exchanger 11 for an apparatus. .
  • the first connection portion 211 of the first gas phase passage 21 and the second connection portion 221 of the second gas phase passage 22 are located longitudinally outside the heat exchange portion 113 of the heat exchanger 11 for equipment.
  • the first connection portion 211 is provided forward of the heat exchange portion 113 in the heat exchanger 11 for the device. Further, the second connection portion 221 is provided on the rear side of the heat exchanger 113 of the heat exchanger 11 for the device. That is, the first connection portion 211 and the second connection portion 221 are provided at places separated in the vehicle longitudinal direction.
  • the first gas phase passage 21 has a portion 21 a extending from the first connection portion 211 to the front of the vehicle.
  • the second gas phase passage 22 has a portion 22 a extending from the second connection portion 221 to the rear of the vehicle.
  • the first gas phase passage 21 may extend upward from the first connection portion 211, or may extend upward and obliquely forward.
  • the second gas phase passage 22 may extend upward from the second connection portion 221, or may extend upward and obliquely rearward.
  • the following can be said as an effect of the first gas phase passage 21 having a portion 21 a extending from the first connection portion 211 to the front of the vehicle. That is, as shown in FIG. 5, a portion 21 a of the first gas phase passage 21 extending forward of the vehicle from the first connection portion 211 is a pipe for coping with the inclination when the position of the condenser 50 rises.
  • the heat exchange portion 113 of the heat exchanger 11 for equipment is inclined as shown in FIG.
  • the first gas phase passage 21 does not relatively lower. Therefore, at the time of inclination, the gas phase refrigerant evaporated in the heat exchange unit 113 is easily introduced to the first gas phase passage 21.
  • the following can be said as an effect of the second gas phase passage 22 having the portion 22a extending from the second connection portion 221 to the rear of the vehicle. That is, as shown in FIG. 6, a portion 22 a of the second gas phase passage 22 extending rearward from the second connection portion 221 is a pipe for dealing with the inclination when the position of the condenser 50 is lowered.
  • the heat exchange portion 113 of the heat exchanger 11 for equipment is inclined as shown in FIG.
  • the second gas phase passage 22 does not relatively lower. Therefore, at the time of inclination, the gas phase refrigerant evaporated in the heat exchange unit 113 is easily introduced to the second gas phase passage 22.
  • the end of the first gas phase passage 21 on the opposite side to the heat exchanger 11 for the device and the end of the second gas phase passage 22 on the opposite side to the heat exchanger 11 for the device are the junction 30 Connected by A junction passage 40 is connected between the junction 30 and the condenser 50.
  • the merging portion 30 is provided on the upper side in the gravity direction than the first connection portion 211 and the second connection portion 221.
  • the working fluid flowing through the first gas phase passage 21 and the working fluid flowing through the second gas phase passage 22 merge at the junction 30.
  • the working fluid merged at the merging portion 30 flows to the condenser 50 through the merging passage 40.
  • Condenser 50 is arranged above the heat exchanger 11 for equipment in the direction of gravity.
  • the condenser 50 is a heat exchanger for exchanging heat between the gas phase working fluid that has flowed into the interior of the condenser 50 through the gas phase passages 21, 22 and 40 and a predetermined heat receiving medium.
  • the predetermined heat receiving medium performing heat exchange with the working fluid flowing through the condenser 50 may employ various heat mediums, such as refrigerant circulating in a refrigeration cycle, cooling water circulating in a cooling water circuit, or air, for example. It is possible.
  • the condenser 50 when air is employed as a predetermined heat receiving medium which exchanges heat with the working fluid flowing through the condenser 50, the condenser 50 can be a working fluid of air or running air blown by a fan (not shown) and a gas phase working fluid. It is comprised as an air-cooled heat exchanger which carries out heat exchange. In that case, the gas phase working fluid flowing through the condenser 50 condenses by releasing heat to the air passing through the condenser 50.
  • the condenser 50 is generally provided in an engine room in front of the vehicle.
  • the condenser 50 is not limited to the position above the liquid level FL of the working fluid as shown in the drawing, and may be provided at a position straddling the liquid level FL of the working fluid in the height direction.
  • the liquid phase passage 55 is a passage for causing the working fluid of the liquid phase condensed inside the condenser 50 to flow to the heat exchanger 11 for the device.
  • the end of the liquid phase passage 55 opposite to the condenser 50 is connected to the inlet 112 a provided in the lower header tank 112 of the heat exchanger 11 for equipment.
  • the working fluid that has been condensed in the condenser 50 and becomes a liquid phase flows down the liquid phase passage 55 by its own weight and flows into the heat exchanger 11 for equipment.
  • the gas phase passages 21, 22, 40 and the liquid phase passage 55 are names for convenience, and do not mean a passage through which only the gas phase or liquid phase working fluid flows. That is, working fluid of both the gas phase and the liquid phase may flow through any of the gas phase passages 21, 22, 40 and the liquid phase passage 55. Further, the shapes and the like of the gas phase passages 21, 22, 40 and the liquid phase passage 55 can be appropriately changed in consideration of the mountability to the vehicle.
  • FIG. 4 shows the case where the device temperature adjustment unit 10 is in the horizontal state.
  • the enclosed amount of the working fluid is such that the fluid level FL of the working fluid is in the height direction of the heat exchange unit 113 when the device temperature adjustment device 1 is in the non-operating state and the device temperature adjustment unit 10 is in the horizontal state. It is adjusted to be located in the middle of. Further, the amount of the working fluid enclosed is such that when the device temperature adjustment device 1 is in the non-operating state and the device temperature adjustment unit 10 is in the horizontal state, the first connection portion 211 and the second connection portion 221 are the liquid level FL of the working fluid. It is adjusted to be on the upper side.
  • the condenser 50 When the device temperature adjustment device 1 is activated to cool the battery 2, the condenser 50 performs heat exchange between the working fluid in the gas phase and the predetermined heat receiving medium. Specifically, when the vehicle is at a stop, a fan (not shown) for blowing air to the condenser 50 is driven, and the air is blown by the fan. In addition, since driving
  • the working fluid in the liquid phase condensed by the condenser 50 flows through the liquid phase passage 55 by its own weight and flows into the lower header tank 112 of the heat exchanger 11 for the device from the inlet.
  • the working fluid that has flowed into the lower header tank 112 is divided into a plurality of flow paths of the heat exchange unit 113.
  • the enclosed amount of the working fluid is adjusted such that the fluid level FL of the working fluid is positioned halfway in the heat exchange unit 113 when the device temperature adjustment unit 10 is in the horizontal state. Therefore, the first connection portion 211 and the second connection portion 221 are located above the liquid level FL of the working fluid in the device temperature adjustment unit 10.
  • the working fluid in the liquid phase flowing through the plurality of flow paths of the heat exchange portion 113 evaporates by heat exchange with the battery 2.
  • the battery 2 is cooled by the latent heat of vaporization of the working fluid.
  • the working fluid that has become a gas phase joins at the upper header tank 111.
  • the working fluid of the gas phase is separated from the first connection portion 211 and the second connection portion 221 respectively connected to one and the other in the longitudinal direction of the upper header tank 111, the first gas phase passage 21 and the second gas phase passage. 22 and the merging passage 40 to the condenser 50.
  • the flow of the working fluid at the time of cooling of the battery 2 is as follows: condenser 50 ⁇ liquid phase passage 55 ⁇ lower header tank 112 ⁇ heat exchange unit 113 ⁇ upper header tank 111 ⁇ first gas phase passage 21, second air Phase passage 22 ⁇ merging passage 40 ⁇ condenser 50 in this order. That is, a loop-like flow path including the heat exchanger 11 for the device and the condenser 50 is formed.
  • the liquid level FL of the working fluid is on the upper side of one of the first connection portion 211 or the second connection portion 221 when the device temperature adjustment unit 10 is inclined at a predetermined angle, and the first connection portion 211 Alternatively, it is adjusted to be below the other side of the second connection portion 221. Further, the enclosed amount of the working fluid is adjusted such that the fluid level FL of the working fluid is located below the merging portion 30 when the device temperature adjusting unit 10 is inclined at a predetermined angle.
  • standard for adjusting the enclosed amount of a working fluid is suitably set according to the use environment of the vehicle by which the apparatus temperature control apparatus 1 is mounted.
  • the predetermined angle is set, for example, as 25 degrees.
  • the predetermined angle may be set appropriately, for example, between 5 ° and 25 °.
  • the device temperature control device 1 be configured to correspond to the inclination in the front-rear direction of the vehicle than in the left-right direction of the vehicle. While the vehicle in motion is likely to be maintained for a long period of time in the longitudinal direction of the vehicle as when climbing a hill, the lateral direction of the vehicle is not maintained for a long period of time.
  • the need for the device temperature control apparatus 1 to cope with the direction of the vehicle is high.
  • the device temperature control device 1 is also effective with respect to the inertial force acting on the vehicle. At this time, in a scene such as acceleration and deceleration, the state in which the inertial force acts in the longitudinal direction of the vehicle is likely to be maintained for a long time. On the other hand, the state in which the inertial force is applied in the lateral direction of the vehicle by a curve or the like is not maintained for a long time. The need for the device temperature adjustment device 1 to be coped with in the longitudinal direction of the vehicle is high.
  • FIG. 5 shows a state where the condenser 50 side of the heat exchanger 11 for equipment is inclined upward.
  • the front of the vehicle is inclined upward.
  • the first connection portion 211 of the first gas phase passage 21 connected to one of the longitudinal direction of the upper header tank 111 is above the liquid level FL of the working fluid, and is connected to the other longitudinal direction of the upper header tank 111
  • the second connection portion 221 of the second gas phase passage 22 is located below the fluid level FL of the working fluid.
  • the working fluid in the liquid phase condensed by the condenser 50 flows through the liquid phase passage 55 for heat exchange for the device Flows into the lower header tank 112 of the vessel 11.
  • the working fluid having flowed into the lower header tank 112 is divided into a plurality of flow paths of the heat exchange unit 113 and is evaporated by heat exchange with the battery 2.
  • the working fluid of the gas phase evaporated in the heat exchange unit 113 passes through the first connection portion 211 above the liquid level FL of the working fluid, passes through the first gas phase passage 21 and the merging passage 40, and condenses. Flow to the vessel 50.
  • FIG. 6 shows a state in which the condenser 50 side of the heat exchanger 11 for equipment is inclined downward.
  • the first connection portion 211 of the first gas phase passage 21 connected to one of the upper header tank 111 in the longitudinal direction is below the fluid level FL of the working fluid, and in the other longitudinal direction of the upper header tank 111
  • the second connection portion 221 of the second gas phase passage 22 to be connected is above the fluid level FL of the working fluid.
  • the working fluid in the liquid phase condensed by the condenser 50 flows through the liquid phase passage 55. It flows and flows into the lower header tank 112 of the heat exchanger 11 for equipment.
  • the working fluid having flowed into the lower header tank 112 is divided into a plurality of flow paths of the heat exchange unit 113 and is evaporated by heat exchange with the battery 2.
  • the working fluid of the vapor phase evaporated in the heat exchange unit 113 passes through the second connection portion 221 above the liquid level FL of the working fluid, passes through the second vapor phase passage 22 and the merging passage 40, and condenses. Flow to the vessel 50.
  • the battery 2 can be cooled even when the device heat exchanger 11 is inclined to either side in the longitudinal direction.
  • the fluid level FL of the working fluid will be described in detail.
  • the liquid level changes up and down somewhat depending on the pressure balance at the time of evaporation.
  • the enclosed amount of the working fluid is adjusted such that the first connection portion 211 and the second connection portion 221 are located above the liquid surface of the working fluid. If the fluid level of the working fluid is not adjusted as such, the working fluid in the gas phase can not stably escape and performance can not be ensured, or only if the fluid level moves a little lower. Performance can not be secured stably because the working fluid of
  • the liquid surface is stationary when evaporation of the apparatus temperature control unit 10 does not occur and condensation does not occur in the condenser 50 when the apparatus 1 is not in operation.
  • the condenser 50 is operated by a cold heat source to operate the device 1. Even if supplied, there is no path through which the gas phase working fluid evaporated in the device temperature control unit 10 is released. That is, stable operation of the device 1 can not be started.
  • the working fluid is vaporized in the apparatus temperature adjusting unit 10 to be a gas phase, and the working fluid in the gas phase is condensed in the condenser 50 to be a working fluid in a liquid phase, and the working fluid in the liquid phase is a fluid phase passage Collect.
  • the liquid level difference between the device temperature adjustment unit 10 and the liquid phase passage 55 acts as a driving source.
  • a part of the liquid-phase refrigerant of the device temperature adjustment unit 10 moves to the liquid-phase passage 55 via the condenser 50 after evaporation, thereby generating a liquid level difference and circulating the working fluid.
  • the liquid level in operation and the liquid level in non-operation are compared.
  • the present apparatus 1 since the present apparatus 1 operates by moving to the liquid phase passage 55 via the condenser 50 after evaporation of a part of the liquid phase refrigerant of the device temperature adjustment unit 10, the device temperature adjustment unit 10 does not The working fluid level and working fluid level are higher in the non-working fluid level.
  • the liquid level at the time of operation slightly rises and falls due to pressure balance, the liquid level at the time of operation temporarily rises higher than the liquid level at the time of non-operation, but generally the liquid level at the time of non-operation And it can be considered that the liquid level at the time of operation is higher than the liquid level at the time of non-operation.
  • the device temperature control apparatus 1 of the first embodiment described above has the following effects.
  • the connection portion 221 is located at a position distant in the horizontal direction. Thereby, when the heat exchanger 11 for apparatuses inclines, one side of the 1st connection part 211 and the 2nd connection part 221 is located above gravity direction, and the other of the 1st connection part 211 and the 2nd connection part 221 is gravity. It is located below the direction.
  • the working fluid evaporated in the device heat exchanger 11 is at least one of the first connection portion 211 or the second connection portion 221 located on the upper side in the direction of gravity to at least one of the first gas phase passage 21 or the second gas phase passage 22.
  • the working fluid condensed by the condenser 50 flows through the liquid phase passage 55 and flows into the heat exchanger 11 for equipment.
  • Such circulation of the working fluid enables the device temperature adjusting device 1 to cool the battery 2 even when the device heat exchanger 11 is inclined to either side in the longitudinal direction.
  • the enclosed amount of the working fluid is such that the fluid level FL of the working fluid is the heat for the device when the device temperature adjustment device 1 is in the non-operating state and the device heat exchanger 11 is in the horizontal state. It is adjusted to be located in the middle of the exchanger 11. Further, the amount of the working fluid enclosed is determined by the first connection portion 211 and the second connection portion 221 when the device temperature adjustment device 1 is in the non-operating state and the device heat exchanger 11 is in the horizontal state. It is adjusted to be positioned above the plane FL. As a result, the degassing property of the first connection portion 211 or the second connection portion 221 is improved.
  • the device temperature control apparatus 1 can improve the cooling performance of the battery 2 by improving the circulation of the working fluid of the thermosiphon circuit.
  • the amount of enclosed working fluid is one of the first connection portion 211 or the second connection portion 221 of the liquid surface FL of the working fluid. It is adjusted so that it may be above the other of the 1st connection part 211 or the other side of the 2nd connection part 221.
  • the 1st connection part 211 or the 2nd side of the side which the working fluid evaporated inside the heat exchanger 11 for apparatuses is not immersed in the working fluid of a liquid phase It flows from the connection part 221 to the first gas phase passage 21 or the second gas phase passage 22. Therefore, the device temperature control apparatus 1 can improve the cooling performance of the battery 2 by improving the circulation of the working fluid of the thermosiphon circuit.
  • the device temperature adjusting device 1 further includes the merging portion 30 and the merging passage 40.
  • the merging portion 30 is provided on the upper side in the gravity direction than the first connection portion 211 and the second connection portion 221.
  • the merging passage 40 causes the working fluid in the gas phase to flow between the merging portion 30 and the condenser 50.
  • the device temperature control device 1 is configured to connect between the merging portion 30 and the condenser 50 by the merging passage 40 so that all of the space between the device heat exchanger 11 and the condenser 50 can be obtained.
  • the number of pipes can be reduced as compared with the configuration in which the first gas phase passage and the second gas phase passage are connected.
  • the merging portion 30 can improve the cooling performance of the battery 2 by improving the circulation of the working fluid of the thermosiphon circuit.
  • the enclosed amount of the working fluid is adjusted so that the fluid level FL of the working fluid is below the merging portion 30 when the heat exchanger 11 for equipment is inclined at a predetermined angle. There is. Thereby, when the heat exchanger 11 for apparatuses inclines, it can suppress that the junction part 30 liquid-sinks.
  • the first connection portion 211 and the second connection portion 221 are provided at positions separated in the horizontal direction of the single device heat exchanger 11.
  • the working fluid evaporated in the heat exchanger 11 for apparatus is a 1st gaseous phase from the 1st connection part 211 or the 2nd connection part 221 located in the gravity direction upper side. It flows through the passage 21 or the second gas phase passage 22 and the like and flows into the condenser 50. Therefore, the device temperature adjusting device 1 can cool the battery 2 even when the device heat exchanger 11 is inclined.
  • the first connection portion 211 and the second connection portion 221 are provided longitudinally outside of the heat exchange portion 113 in the heat exchanger 11 for the device.
  • the 1st connection part 211 and the 2nd connection part 221 are provided in the position where it separated greatly in the horizontal direction. Therefore, even when the heat exchanger 11 for equipment is greatly inclined, the working fluid of the vapor phase evaporated in the heat exchanger 11 for equipment is transmitted from the first connection portion 211 or the second connection portion 221 to the first gas phase passage 21 or It is possible to discharge to the second gas phase passage 22.
  • Modification 1 A first modification to the first embodiment will be described with reference to FIG.
  • the modification 1 is the same as the first embodiment except that the amount of the working fluid sealed in the thermosyphon circuit of the device temperature control apparatus 1 is changed with respect to the first embodiment. Only the differences from the first embodiment will be described.
  • FIG. 7 shows a state in which the device temperature control device 1 is inclined at a predetermined angle.
  • the enclosed amount of the working fluid is the first gas phase passage 21 and the second gas phase passage 21 even when the device temperature adjustment unit 10 is in the horizontal state and when the device temperature adjustment unit 10 is inclined at a predetermined angle.
  • the fluid level FL of the working fluid is adjusted to be located midway in the gas phase passage 22. Further, the amount of the working fluid enclosed is the level of the working fluid below the merging portion 30 even when the device temperature adjusting unit 10 is in the horizontal state and when the device temperature adjusting unit 10 is inclined at a predetermined angle. It is adjusted to be FL.
  • the working fluid in the liquid phase condensed in the condenser 50 flows through the liquid phase passage 55 and flows into the lower header tank 112 of the heat exchanger 11 for equipment.
  • the working fluid having flowed into the lower header tank 112 is divided into a plurality of flow paths of the heat exchange unit 113 and is evaporated by heat exchange with the battery 2.
  • the second connection portion 221 of the second gas phase passage 22 is located above the first connection portion 211 of the first gas phase passage 21.
  • the working fluid in the vapor phase evaporated in the heat exchange portion 113 flows through the upper header tank 111 to the second connection portion 221 side, and from the second connection portion 221 through the second vapor phase passage 22 and the merging passage 40, condenses Flow to the vessel 50.
  • the piping constituting the second gas phase passage 22 has a layout in which the inclination in the vertical direction is gentle within the limitation of the vehicle mounting space.
  • the piping has a layout in which the height increases toward the merging portion 30.
  • Modification 2 A second modification to the first embodiment will be described with reference to FIG. The second modification is also the same as the first embodiment except that the amount of the working fluid sealed in the thermosiphon circuit of the device temperature control apparatus 1 is changed with respect to the first embodiment.
  • FIG. 8 shows a state in which the device temperature control device 1 is inclined at a predetermined angle.
  • the fluid level FL of the working fluid is located above the merging portion 30 and in the middle of the merging passage 40. That is, the merging portion 30 is submerged in the working fluid in the liquid phase.
  • the working fluid evaporated by the heat exchange with the battery 2 in the heat exchange unit 113 of the heat exchanger 11 for equipment is the first gas phase passage 21, the second gas phase passage 22, and the merging. It may be difficult to pass through the section 30. Therefore, as shown by the broken line P2 in FIG.
  • the piping constituting the first gas phase passage 21 or the second gas phase passage 22 should have a layout in which the inclination in the vertical direction is gentle within the limitation of the vehicle mounting space. Is preferred. Furthermore, it is further preferable that the piping has a layout in which the height increases toward the merging portion 30.
  • the second embodiment will be described with reference to FIG.
  • the second embodiment is the same as the first embodiment except that part of the configuration of the second gas phase passage 22 and the enclosed amount of the working fluid are changed with respect to the first embodiment. .
  • FIG. 9 shows a state in which the device temperature control device 1 is inclined at a predetermined angle.
  • the vertical distance between the upper header tank 111 and the second gas phase passage 22 of the heat exchanger 11 for equipment is the upper header tank 111 and the second gas phase passage 22 described in the first embodiment. It is larger than the vertical distance with
  • the enclosed amount of the working fluid is such that the second gas phase passage 22 is horizontal even when the device temperature adjustment unit 10 is in the horizontal state and when the device temperature adjustment unit 10 is inclined at a predetermined angle.
  • the fluid level FL of the working fluid is adjusted to be located below the extended portion.
  • the amount of the working fluid enclosed is the first gas phase passage 21 also when the device temperature adjustment unit 10 is in the horizontal state and when the device temperature adjustment unit 10 is inclined at a predetermined angle.
  • the fluid level FL of the working fluid is adjusted to be located in the middle of the second gas phase passage 22. Further, the amount of the working fluid enclosed is the level of the working fluid below the merging portion 30 even when the device temperature adjusting unit 10 is in the horizontal state and when the device temperature adjusting unit 10 is inclined at a predetermined angle. It is adjusted to be FL.
  • the working fluid in the liquid phase condensed in the condenser 50 flows through the liquid phase passage 55 and flows into the lower header tank 112 of the heat exchanger 11 for equipment.
  • the working fluid having flowed into the lower header tank 112 is divided into a plurality of flow paths of the heat exchange unit 113 and is evaporated by heat exchange with the battery 2.
  • the second connection portion 221 of the second gas phase passage 22 is located above the first connection portion 211 of the first gas phase passage 21.
  • the working fluid in the vapor phase evaporated in the heat exchange portion 113 flows through the upper header tank 111 to the second connection portion 221 side, and from the second connection portion 221 through the second vapor phase passage 22 and the merging passage 40, condenses Flow to the vessel 50.
  • the working fluid evaporated in the device heat exchanger 11 is at least one of the first connection portion 211 or the second connection portion 221 located on the upper side in the direction of gravity to at least one of the first gas phase passage 21 or the second gas phase passage 22.
  • the device temperature adjusting device 1 can cool the battery 2 even when the device heat exchanger 11 is inclined to either side in the longitudinal direction.
  • FIG. 10 shows a state in which the device temperature control device 1 is inclined at a predetermined angle.
  • the fluid level FL of the working fluid is located above the merging portion 30 and in the middle of the merging passage 40. That is, the merging portion 30 is submerged in the working fluid in the liquid phase.
  • the working fluid evaporated by the heat exchange with the battery 2 in the heat exchange unit 113 of the heat exchanger 11 for equipment is the first gas phase passage 21, the second gas phase passage 22, and the merging. It may be difficult to pass through the section 30. Therefore, as shown by the broken line P3 in FIG.
  • the piping constituting the first gas phase passage 21 or the second gas phase passage 22 should have a layout in which the inclination in the vertical direction is gentle within the limitation of the vehicle mounting space. Is preferred. Furthermore, it is further preferable that the piping has a layout in which the height increases toward the merging portion 30.
  • the third embodiment will be described with reference to FIG.
  • the third embodiment is the same as the first embodiment except that parts of the configurations of the first gas phase passage 21 and the second gas phase passage 22 are modified with respect to the first embodiment. .
  • the first connection portion 211 of the first gas phase passage 21 and the second connection portion 221 of the second gas phase passage 22 are connected to the middle of the upper header tank 111, respectively. Also in the third embodiment, the first connection portion 211 of the first gas phase passage 21 and the second connection portion 221 of the second gas phase passage 22 are separated in the horizontal direction of the single device heat exchanger 11. It is located in the Therefore, the device temperature adjusting device 1 can cool the battery 2 even when the device heat exchanger 11 is inclined to either side in the longitudinal direction.
  • the fourth embodiment will be described with reference to FIG.
  • the fourth embodiment is the same as the third embodiment except that a gas phase passage is added to the third embodiment.
  • the plurality of gas passages are configured to include the first gas passage 21, the second gas passage 22, the third gas passage 23, and the merging passage 40.
  • the first connection portion 211 of the first gas phase passage 21, the second connection portion 221 of the second gas phase passage 22, and the third connection portion 231 of the third gas phase passage 23 are all heat exchangers 11 for equipment. Is connected to the middle of the upper header tank 111.
  • the end of the first gas phase passage 21 on the opposite side to the heat exchanger 11 for equipment and the end of the third gas phase passage 23 on the opposite side of the heat exchanger 11 for equipment are the first junction It is connected by a section 31.
  • the end of the second gas phase passage 22 opposite to the heat exchanger 11 for the device and the end of the first gas phase passage 21 opposite to the heat exchanger 11 for the device are joined second It is connected by the part 32.
  • the number of gas phase passages and the number of junctions are not limited, and can be set arbitrarily according to the layout on the vehicle.
  • the first connection portion 211 of the first gas phase passage 21, the second connection portion 221 of the second gas phase passage 22, and the third connection portion 231 of the third gas phase passage 23 Among the heat exchangers 11 for one apparatus, it is provided in the position away to the horizontal direction. Therefore, the device temperature adjusting device 1 can cool the battery 2 even when the device heat exchanger 11 is inclined to either side in the longitudinal direction.
  • the device temperature adjusting unit 10 provided in the device temperature adjusting device 1 is configured of a plurality of device heat exchangers.
  • the device temperature adjustment unit 10 can be stored together with the battery 2 in the case of the battery pack.
  • FIGS. 13 to 22, which are referred to in the description of the fifth to fourteenth embodiments the illustration of the condenser is omitted. Further, the range of the device temperature adjustment unit 10 is indicated by a broken line.
  • the device temperature adjustment unit 10 is configured by the first device heat exchanger 11 and the second device heat exchanger 12.
  • the first device heat exchanger 11 and the second device heat exchanger 12 are provided at horizontally separated positions.
  • the enclosed amount of the working fluid is adjusted so that the liquid level of the working fluid is positioned in the middle of the heat exchange unit when the device temperature adjustment unit 10 is in the horizontal state. It is done. Therefore, the first connection portion 211 and the second connection portion 221 are provided at a portion above the liquid surface of the working fluid in the first device heat exchanger 11 and among the second device heat exchanger 12 It is provided at a position above the liquid surface of the working fluid.
  • the first gas phase passage 21 and the second gas phase passage 22 merge at the merging portion 30.
  • a junction passage 40 is connected between the junction 30 and the condenser.
  • the first gas phase passage 21 branches from the merging portion 30 to one first gas phase passage 21c and the other first gas phase passage 21d via the branch portion 21b.
  • the first connection portion 211 a of one first gas phase passage 21 c is connected to a portion on the vehicle front side in the upper header tank 111 of the first device heat exchanger 11.
  • the first connection portion 211 b of the other first gas phase passage 21 d is connected to a portion on the vehicle front side of the upper header tank 121 of the second device heat exchanger 12.
  • the second gas phase passage 22 branches from the merging portion 30 to one second gas phase passage 22c and the other second gas phase passage 22d via the branch portion 22b.
  • the second connection portion 221 a of the one second gas phase passage 22 c is connected to a portion on the vehicle rear side of the upper header tank 111 of the first device heat exchanger 11.
  • the second connection portion 221 b of the other second gas phase passage 22 d is connected to a portion on the vehicle rear side of the upper header tank 121 of the second device heat exchanger 12.
  • the first gas phase passages 21c and 21d and the second gas phase passages 22c and 22d also function as a connecting passage for connecting the first device heat exchanger 11 and the second device heat exchanger 12 There is.
  • the lower header tank 112 of the first device heat exchanger 11 and the lower header tank 122 of the second device heat exchanger 12 are connected by a liquid phase passage 55.
  • the device temperature adjustment unit 10 when the device temperature adjustment unit 10 is inclined in the longitudinal direction of the vehicle, one of the first connection portion 211 and the second connection portion 221 is located on the upper side in the gravity direction, and the other is located on the lower side in the gravity direction. Do. Therefore, the working fluid evaporated in the plurality of device heat exchangers 11 and 12 is transferred from the first connection portion 211 or the second connection portion 221 located on the upper side in the gravity direction to the first gas phase passage 21 or the first 2 flow in the gas phase passage 22 and enter the condenser. The working fluid condensed by the condenser flows through the liquid phase passage 55 and flows into the plurality of equipment heat exchangers 11 and 12. With the circulation of the working fluid, the device temperature adjusting device 1 of the fifth embodiment can cool the battery 2 even when the plurality of device heat exchangers 11 and 12 are inclined.
  • the sixth embodiment will be described with reference to FIG.
  • the sixth embodiment is a modification of the fifth embodiment in which a part of the configuration of the gas phase passage is changed.
  • the first gas phase passage 21 branches from the merging portion 30 via the branch portion 21b to one first gas phase passage 21c and the other first gas phase passage 21d.
  • the first connection portion 211 a of one first gas phase passage 21 c is connected to a portion on the vehicle front side in the upper header tank 111 of the first device heat exchanger 11.
  • the first connection portion 211 b of the other first gas phase passage 21 d is connected to a portion on the vehicle front side of the upper header tank 121 of the second device heat exchanger 12.
  • the second gas phase passage 22 branches from the junction 30 to one second gas phase passage 22c and the other second gas phase passage 22d.
  • the second connection portion 221 a of the one second gas phase passage 22 c is connected to a portion on the vehicle rear side of the upper header tank 111 of the first device heat exchanger 11.
  • the second connection portion 221 b of the other second gas phase passage 22 d is connected to a portion on the vehicle rear side of the upper header tank 121 of the second device heat exchanger 12.
  • the sixth embodiment can also achieve the same function and effect as those of the first to fifth embodiments.
  • Seventh Embodiment A seventh embodiment will be described with reference to FIG.
  • the seventh embodiment is a modification of the fifth embodiment in which part of the configuration of the gas phase passage is changed.
  • the first gas phase passage 21 branches from the merging portion 30 via the branch portion 21b to one first gas phase passage 21c and the other first gas phase passage 21d.
  • the first connection portion 211 a of one first gas phase passage 21 c is connected to a portion on the vehicle front side in the upper header tank 111 of the first device heat exchanger 11.
  • the first connection portion 211 b of the other first gas phase passage 21 d is connected to a portion on the vehicle front side of the upper header tank 121 of the second device heat exchanger 12.
  • the second gas phase passage 22 branches from the merging portion 30 to one second gas phase passage 22c and the other second gas phase passage 22d via the branch portion 22b.
  • the second connection portion 221 a of the one second gas phase passage 22 c is connected to a portion on the vehicle rear side of the upper header tank 111 of the first device heat exchanger 11.
  • the second connection portion 221 b of the other second gas phase passage 22 d is connected to a portion on the vehicle rear side of the upper header tank 121 of the second device heat exchanger 12.
  • the seventh embodiment can also achieve the same function and effect as those of the first to sixth embodiments.
  • the eighth embodiment will be described with reference to FIG.
  • the eighth embodiment is different from the fifth embodiment in the arrangement of the plurality of device heat exchangers 11 and 12 constituting the device temperature adjusting unit 10.
  • the plurality of device heat exchangers 11 and 12 are arranged such that the longitudinal direction is along the vehicle width direction.
  • the plurality of heat exchangers 11 and 12 for equipment are arranged side by side in the vehicle longitudinal direction.
  • one disposed on the front side of the vehicle is referred to as a heat exchanger 11 for first equipment, and one disposed on the rear side of the vehicle is a heat exchanger 12 for second equipment. I will call it.
  • the first gas phase passage 21 connects the junction 30 and the first device heat exchanger 11.
  • the first connection portion 211 of the first gas phase passage 21 is connected to the upper header tank 111 of the first device heat exchanger 11 disposed on the front side of the vehicle.
  • the first gas phase passage 21 has a portion 21 a extending from the first connection portion 211 to the front of the vehicle.
  • the second gas phase passage 22 connects the junction 30 and the second device heat exchanger 12.
  • the second connection portion 221 of the second gas phase passage 22 is connected to the upper header tank 121 of the heat exchanger 12 for the second device disposed on the rear side of the vehicle.
  • the first gas phase passage 21 and the second gas phase passage 22 merge at a merging portion 30.
  • a junction passage 40 is connected between the junction 30 and the condenser.
  • the device temperature adjusting unit 10 includes the plurality of device heat exchangers 11 and 12 provided at positions separated in the vehicle longitudinal direction, and the connection passage 61.
  • the connection passage 61 connects the first connection portion 211 provided in the first device heat exchanger 11 and the second connection portion 221 provided in the second device heat exchanger 12.
  • the eighth embodiment when the device temperature adjustment unit 10 is inclined in the longitudinal direction of the vehicle, one of the first connection portion 211 and the second connection portion 221 is located on the upper side in the gravity direction, and the other is located on the lower side in the gravity direction. . Therefore, the working fluid evaporated in the plurality of device heat exchangers 11 and 12 is transferred from the first connection portion 211 or the second connection portion 221 located on the upper side in the direction of gravity via the connection passage 61 to the first gas phase passage 21. Or flows through at least one of the second gas phase passages 22 and flows into the condenser. The working fluid condensed by the condenser flows through the liquid phase passage 55 and flows into the plurality of equipment heat exchangers 11 and 12. Therefore, the eighth embodiment can also achieve the same function and effect as those of the first to seventh embodiments.
  • the ninth embodiment will be described with reference to FIG.
  • the ninth embodiment is different from the eighth embodiment in that the number of heat exchangers for equipment and the like are changed.
  • the device temperature adjustment unit 10 is configured by three or more device heat exchangers 11, 12, 13 and a connection passage 61.
  • the device heat exchanger disposed at the foremost part in the direction in which the plurality of device heat exchangers 11, 12, 13 are arranged is called the first device heat exchanger 11, and is disposed at the rearmost part The device heat exchanger is called a second device heat exchanger 12.
  • the plurality of device heat exchangers disposed between the first device heat exchanger 11 and the second device heat exchanger 12 are all referred to as a third device heat exchanger 13.
  • connection passage 61 connects one ends of the upper header tanks 111, 121, and 131 of the heat exchangers 11, 12, and 13 for the first to third devices.
  • the connection passage 61 includes a first connection portion 211 provided in the first device heat exchanger 11, a second connection portion 221 provided in the second device heat exchanger 12, and a third The 3rd connection part 231 provided in the heat exchanger 13 for apparatuses is connected.
  • the first connection portion 211 connecting the first gas phase passage 21 to the device temperature adjustment unit 10 is connected to the upper header tank 111 of the first device heat exchanger 11 disposed on the vehicle front side. doing.
  • the first gas phase passage 21 has a portion 21 a extending from the first connection portion 211 to the front of the vehicle.
  • a second connection portion 221 connected to the device temperature adjustment unit 10 by the second gas phase passage 22 is connected to the upper header tank 121 of the second device heat exchanger 12 disposed on the rear side of the vehicle. That is, the first connection portion 211 and the second connection portion 221 are provided at positions far away from each other in the horizontal direction.
  • the first gas phase passage 21 and the second gas phase passage 22 merge at the merging portion 30.
  • a junction passage 40 is connected between the junction 30 and the condenser.
  • the ninth embodiment when the device temperature adjustment unit 10 is inclined in the longitudinal direction of the vehicle, one of the first connection portion 211 and the second connection portion 221 is located on the upper side in the gravity direction, and the other is located on the lower side in the gravity direction. . Therefore, the working fluid evaporated in the plurality of heat exchangers 11, 12 and 13 for equipment is transferred to the first gas phase from the first connection portion 211 or the second connection portion 221 located on the upper side in the direction of gravity via the connection passage 61. It flows through at least one of the passage 21 and the second gas phase passage 22 and flows into the condenser. The working fluid condensed by the condenser flows through the liquid phase passage 55 and flows into the plurality of equipment heat exchangers 11, 12, 13. Therefore, the ninth embodiment can also achieve the same function and effect as those of the first to eighth embodiments.
  • Tenth Embodiment A tenth embodiment will be described with reference to FIG.
  • the tenth embodiment is a modification of the eighth embodiment, in which parts of the configurations of the gas phase passage and the connection passage are changed.
  • connection passage includes a first connection passage 61 and a second connection passage 62.
  • the first connection passage 61 is an end on the right side in the vehicle width direction of the upper header tank 111 of the first device heat exchanger 11 and an end on the right side in the vehicle width direction of the upper header tank 121 of the second device heat exchanger 12. And are connected.
  • the second connection passage 62 is a left end of the upper header tank 111 of the first device heat exchanger 11 in the vehicle width direction and an end of the left header of the upper header tank 121 of the second device heat exchanger 12 in the vehicle width direction. And are connected.
  • the first gas phase passage 21 is configured to include the first gas phase passage 21e on the right side in the vehicle width direction and the first gas phase passage 21f on the left side in the vehicle width direction.
  • the first gas phase passage 21e on the right side in the vehicle width direction connects the first junction 31 and the first-apparatus heat exchanger 11 disposed on the front side of the vehicle.
  • the first connection portion 211 a of the first gas phase passage 21 e on the right side in the vehicle width direction is connected to a portion on the right side in the vehicle width direction of the upper header tank 111 of the heat exchanger 11 for the first device.
  • the first gas phase passage 21 f on the left side in the vehicle width direction connects the second junction 32 and the first-apparatus heat exchanger 11 disposed on the front side of the vehicle.
  • the first connection portion 211 b of the first gas phase passage 21 f on the left side in the vehicle width direction is connected to a portion on the left side in the vehicle width direction of the upper header tank 111 of the heat exchanger 11 for the first device.
  • the second gas phase passage 22 is configured to include a second gas phase passage 22e on the right side in the vehicle width direction and a second gas phase passage 22f on the left side in the vehicle width direction.
  • the second gas phase passage 22e on the right side in the vehicle width direction connects the first junction 31 and the second-apparatus heat exchanger 12 disposed on the rear side of the vehicle.
  • the second connection portion 211 a of the second gas phase passage 22 e on the right side in the vehicle width direction is connected to a portion on the right side in the vehicle width direction of the upper header tank 121 of the second device heat exchanger 12.
  • the second gas phase passage 22 f on the left side in the vehicle width direction connects the second junction 32 and the first-apparatus heat exchanger 12 disposed on the rear side of the vehicle.
  • the second connection portion 221 b of the second gas phase passage 22 f on the left side in the vehicle width direction is connected to a portion on the left side in the vehicle width direction of the upper header tank 121 of the second device heat exchanger 12.
  • the first merging portion 31 and the second merging portion 32 are connected by a first merging passage 41.
  • the middle of the first combined passage 41 and the condenser are connected by a second combined passage 42.
  • first lower connection passage 71 one end of the lower header tank 112 of the first device heat exchanger 11 and one end of the lower header tank 122 of the second device heat exchanger 12 are connected by a first lower connection passage 71.
  • second lower connection passage 72 The other end of the lower header tank 112 of the first device heat exchanger 11 and the other end of the lower header tank 122 of the second device heat exchanger 12 are connected by a second lower connection passage 72.
  • the liquid phase passage 55 branches midway and is connected to the first lower connection passage 71 and the second lower connection passage 72.
  • one of the first connection portions 211a and 211b or the second connection portions 221a and 221b is located on the upper side in the gravity direction, and the other is lower in the gravity direction. Located on the side.
  • the tenth embodiment when the device temperature adjustment unit 10 is inclined in the vehicle width direction, one of the connection portions 211a and 221a on the right side of the vehicle or the connection portions 211b and 221b on the left side of the vehicle is located above the gravity direction Is located below the direction of gravity. Therefore, the tenth embodiment can also achieve the same effects as those of the first to ninth embodiments. Furthermore, in the tenth embodiment, the first connection parts 211a and 211b and the second connection parts 221a and 221b are respectively provided at the four corners of the device temperature adjustment part 10, so that the front, rear, left, and right directions of the vehicle can be obtained. It is possible to cope with the inclination of
  • the eleventh embodiment will be described with reference to FIG.
  • the eleventh embodiment is different from the tenth embodiment in that the number of heat exchangers 11 for equipment and the like are changed.
  • the device temperature adjustment unit 10 is configured of three or more device heat exchangers and connection passages 61 and 62.
  • the heat exchanger for equipment disposed at the forefront of the direction in which the plurality of heat exchangers 11, 12 and 13 for equipment are arranged is called the first equipment heat exchanger 11, and The device heat exchanger to be disposed is referred to as a second device heat exchanger 12.
  • the plurality of device heat exchangers disposed between the first device heat exchanger 11 and the second device heat exchanger 12 are all referred to as a third device heat exchanger 13.
  • the first connection passage 61 connects end portions of the upper header tanks 111, 121, and 131 on the right side in the vehicle width direction of the heat exchangers 11, 12, and 13 for the first to third devices.
  • the second connection passage 62 connects end portions on the left side in the vehicle width direction of the upper header tanks 111, 121, and 131 of the heat exchangers 11, 12, and 13 for the first to third devices.
  • the first gas phase passage 21 is configured to include the first gas phase passage 21e on the right side in the vehicle width direction and the first gas phase passage 21f on the left side in the vehicle width direction.
  • the first gas phase passage 21e on the right side in the vehicle width direction connects the first junction 31 and the first-apparatus heat exchanger 11 disposed on the front side of the vehicle.
  • the first connection portion 211 a of the first gas phase passage 21 e on the right side in the vehicle width direction is connected to a portion on the right side in the vehicle width direction of the upper header tank 111 of the heat exchanger 11 for the first device.
  • the first gas phase passage 21 f on the left side in the vehicle width direction connects the second junction 32 and the first-apparatus heat exchanger 11 disposed on the front side of the vehicle.
  • the first connection portion 211 b of the first gas phase passage 21 f on the left side in the vehicle width direction is connected to a portion on the left side in the vehicle width direction of the upper header tank 111 of the heat exchanger 11 for the first device.
  • the second gas phase passage 22 is configured to include a second gas phase passage 22e on the right side in the vehicle width direction and a second gas phase passage 22f on the left side in the vehicle width direction.
  • the second gas phase passage 22e on the right side in the vehicle width direction connects the first junction 31 and the second-apparatus heat exchanger 12 disposed on the rear side of the vehicle.
  • the second connection portion 211a of the second gas phase passage 22e on the right side in the vehicle width direction is connected to a portion on the right side in the vehicle width direction of the upper header tank 121 of the heat exchanger 12 for the second device.
  • the second gas phase passage 22 f on the left side in the vehicle width direction connects the second junction 32 and the first-apparatus heat exchanger 12 disposed on the rear side of the vehicle.
  • the second connection portion 221 b of the second gas phase passage 22 f on the left side in the vehicle width direction is connected to a portion on the left side in the vehicle width direction of the upper header tank 121 of the second device heat exchanger 12. Therefore, the first connection parts 211a and 211b and the second connection parts 221a and 221b are provided as far as possible in the longitudinal direction of the vehicle in the direction in which the plurality of heat exchangers 11, 12 and 13 for equipment are arranged. .
  • the first merging portion 31 and the second merging portion 32 are connected by a first merging passage 41.
  • the middle of the first combined passage 41 and the condenser are connected by a second combined passage 42.
  • the end portions on the right side in the vehicle width direction of the lower header tanks 112, 122 and 132 of the heat exchangers 11, 12 and 13 for the first to third devices are connected by the first lower connection passage 71. End portions on the left side in the vehicle width direction of the lower header tanks 112, 122 and 132 of the heat exchangers 11, 12 and 13 for the first to third devices are connected by a second lower connection passage 72.
  • the liquid phase passage 55 branches midway and is connected to the first lower connection passage 71 and the second lower connection passage 72.
  • the eleventh embodiment can also achieve the same function / effect as the first to tenth embodiments. Furthermore, also in the eleventh embodiment, the first and second connection portions 211a, 211b, 211a and 221b of the first and second gas phase passages 21 and 22 are provided at the four corners of the device temperature adjustment unit 10, respectively. Thus, it is possible to cope with the inclination in any of the front, rear, left, and right directions of the vehicle.
  • Twelfth embodiment A twelfth embodiment will be described with reference to FIG.
  • the twelfth embodiment is different from the eighth embodiment etc. in the direction in which the plurality of device heat exchangers 11 and 12 are arranged.
  • the plurality of device heat exchangers 11 and 12 are aligned in the longitudinal direction of the device heat exchangers 11 and 12. Further, the plurality of device heat exchangers 11 and 12 are disposed along the longitudinal direction of the vehicle.
  • the connection passage 61 is an end portion on the vehicle rear side of the upper header tank 111 of the first device heat exchanger 11 and an end portion on the vehicle front side of the upper header tank 121 of the second device heat exchanger 12. Are linked.
  • the first gas phase passage 21 connects the merging portion 30 and the first-apparatus heat exchanger 11 disposed on the front side of the vehicle.
  • the first connection portion 211 of the first gas phase passage 21 is provided at an end of the upper header tank 111 of the first device heat exchanger 11 on the front side of the vehicle.
  • the second gas phase passage 22 connects the merging portion 30 and the second-apparatus heat exchanger 12 disposed on the rear side of the vehicle.
  • the second connection portion 221 of the second gas phase passage 22 is provided at an end portion of the upper header tank 121 of the second device heat exchanger 12 on the vehicle rear side. Therefore, the first connection portion 211 and the second connection portion 221 are provided as far as possible in the longitudinal direction of the vehicle in the direction in which the heat exchangers 11 and 12 for equipment are arranged.
  • the third gas phase passage 23 connects the end portion on the vehicle rear side of the upper header tank 111 of the first equipment heat exchanger 11 and the second gas phase passage 22.
  • the third gas phase passage 23 may be omitted.
  • a junction passage 40 is connected between the junction 30 and the condenser.
  • the other end of the lower header tank 112 of the first device heat exchanger 11 and one end of the lower header tank 122 of the second device heat exchanger 12 are connected by the lower connection passage 70.
  • the liquid phase passage 55 is connected to one end of the lower header tank 112 of the first device heat exchanger 11.
  • the twelfth embodiment when the device temperature adjustment unit 10 is inclined to the first device heat exchanger 11 side or the second device heat exchanger 12 side, one of the first connection portion 211 and the second connection portion 221 is It is located on the upper side in the direction of gravity, and the other is located on the lower side in the direction of gravity. Therefore, the twelfth embodiment can also achieve the same effects as those of the first to eleventh embodiments.
  • the thirteenth embodiment is the one in which the number, arrangement, and the like of the heat exchangers for equipment are changed with respect to the eighth embodiment and the like.
  • the device temperature adjustment unit 10 is configured by four device heat exchangers 11 to 14 and a connection passage 61.
  • the heat exchangers for two equipment disposed on the front side of the vehicle are the heat exchanger 11 for the first equipment, the heat exchanger for the second equipment Call it 12
  • the two device heat exchangers disposed on the rear side of the vehicle are referred to as a third device heat exchanger 13 and a fourth device heat exchanger 14.
  • a portion 21a extending from the merging portion 30 is branched into one first gas phase passage 21c and the other first gas phase passage 21d via the branch portion 21b.
  • the first connection portion 211 a of the one first gas phase passage 21 c is connected to the upper header tank 111 of the first device heat exchanger 11.
  • the first connection portion 211 b of the other first gas phase passage 21 d is connected to the upper header tank 121 of the second device heat exchanger 12.
  • the second gas phase passage 22 branches from the merging portion 30 to one second gas phase passage 22c and the other second gas phase passage 22d via the branch portion 22b.
  • the second connection portion 221 a of one second gas phase passage 22 c is connected to the upper header tank 131 of the third device heat exchanger 13.
  • the second connection portion 221 b of the other second gas phase passage 22 d is connected to the upper header tank 141 of the fourth device heat exchanger 14.
  • connection passage 61 connects the branch portion 21 b of the first gas phase passage 21 and the branch portion 22 b of the second gas phase passage 22.
  • the liquid phase passage 55 is connected to the lower header tanks 112, 122, 132, 142 of the heat exchangers 11 to 14 for the first to fourth devices.
  • the thirteenth embodiment when the device temperature adjustment unit 10 is inclined to the first device heat exchanger 11 side or the third device heat exchanger 13 side, the first connection portions 211a and 211b and the second connection portion 221a, One of 221 b is located on the upper side in the gravity direction, and the other is located on the lower side in the gravity direction. Therefore, the thirteenth embodiment can also achieve the same function and effect as those of the first to twelfth embodiments.
  • the fourteenth embodiment is different from the thirteenth embodiment etc. in the direction in which the plurality of heat exchangers 11 to 14 for equipment are arranged.
  • the device temperature adjustment unit 10 is configured by four device heat exchangers 11 to 14.
  • the plurality of device heat exchangers 11 to 14 are arranged such that the longitudinal direction is along the longitudinal direction of the vehicle.
  • the two apparatus heat exchangers disposed on the front side of the vehicle are the first apparatus heat exchanger 11 and the second apparatus heat exchanger. Call it 12
  • the two device heat exchangers disposed on the rear side of the vehicle are referred to as a third device heat exchanger 13 and a fourth device heat exchanger 14.
  • the first gas phase passage 21 connects the junction 30 and a portion on the vehicle front side among the heat exchangers 11 to 14 for the first to fourth devices.
  • a portion 21a extending from the merging portion 30 is branched into three first gas phase passages 21c, 21d and 21e via a branch portion 21b.
  • the first connection portion 211 a of the one first gas phase passage 21 c is connected to a portion on the vehicle front side of the upper header tank 111 of the first device heat exchanger 11.
  • the first connection portion 211 b of the other first gas phase passage 21 d is connected to a portion on the vehicle front side of the upper header tank 121 of the second device heat exchanger 12.
  • Still another first gas phase passage 21 e is branched into two first gas phase passages 21 g and 21 h via a branch portion 21 f.
  • the first connection portion 211 c of the one first gas phase passage 21 g is connected to a portion on the vehicle front side of the upper header tank 121 of the third device heat exchanger 13.
  • the first connection portion 211 d of the other first gas phase passage 21 h is connected to a portion of the upper header tank 141 of the fourth device heat exchanger 14 on the front side of the vehicle.
  • the second gas phase passage 21 connects the merging portion 30 and the portion on the vehicle rear side among the heat exchangers 11 to 14 for the first to fourth devices.
  • a portion 22a extending from the merging portion 30 is branched into three second gas phase passages 22c, 22d and 22e via a branch portion 22b.
  • the second connection portion 221 a of the one second gas phase passage 22 c is connected to a portion on the vehicle rear side of the upper header tank 111 of the first device heat exchanger 11.
  • the second connection portion 221 b of another second gas phase passage 22 d is connected to a portion on the vehicle rear side of the upper header tank 121 of the second device heat exchanger 12.
  • Still another second gas phase passage 22e branches into two second gas phase passages 22g and 22h via a branch portion 22f.
  • the second connection portion 221 c of the one second gas phase passage 22 g is connected to a portion on the vehicle rear side of the upper header tank 131 of the third device heat exchanger 13.
  • the second connection portion 221 d of another second gas phase passage 22 h is connected to a portion on the vehicle rear side of the upper header tank 141 of the fourth device heat exchanger 14.
  • the first gas phase passage 21 and the second gas phase passage 22 are connected at the junction 30.
  • the junction 30 and the condenser are connected by a junction passage 40.
  • the liquid phase passage 55 is connected to the lower header tanks 112, 122, 132, 142 of the heat exchangers 11 to 14 for the first to fourth devices.
  • the fourteenth embodiment when the device temperature adjustment unit 10 is inclined in any direction, either the first connection portion 211 or the second connection portion 221 is located on the upper side in the gravity direction. Therefore, the fourteenth embodiment can also achieve the same function and effect as those of the first to thirteenth embodiments.
  • the fifteenth embodiment will be described with reference to FIG.
  • the fifteenth embodiment describes an example of a method of installing the battery 2 in the device heat exchanger 11.
  • the battery 2 is installed such that the surface 5 provided with the terminal 4 faces upward in the direction of gravity.
  • a surface perpendicular to the surface 5 on which the terminal 4 is provided is installed in the heat exchange portion 113 via the heat conductive sheet 114.
  • the installation method of the battery 2 can be set arbitrarily.
  • the sixteenth embodiment will be described with reference to FIG.
  • the sixteenth embodiment describes an example of a method of installing the device heat exchanger 11 and the battery 2.
  • a plurality of device heat exchangers 11 are installed so as to sandwich both sides of the battery 2. Therefore, the area of the battery 2 in thermal contact with the heat exchange unit 113 via the heat conduction sheet 114 is increased. Therefore, according to the device heat exchanger 11 and the method of installing the battery 2 of the sixteenth embodiment, it is possible to enhance the cooling capacity of the battery 2.
  • a seventeenth embodiment will be described with reference to FIGS. 25 and 26.
  • the seventeenth embodiment describes an example of the arrangement of the first gas phase passage 21 and the second gas phase passage 22.
  • the second gas phase passage 22 extends along the upper header tank 111 so as to be in contact with or adjacent to the upper header tank 111, and further extends along the first gas phase passage 21. It extends in contact with or adjacent to the passage 21.
  • a portion of the first gas phase passage 21 and at least a portion of the second gas phase passage 22 constitute a parallel portion 25 extending in a state of being in contact with or adjacent to each other.
  • the upper header tank 111 and a part of the second gas phase passage 22 also constitute a parallel portion 251 extending in a state of being in contact with or adjacent to each other. As a result, the area occupied by the first gas phase passage 21 and the second gas phase passage 22 is reduced. Further, it is also possible to assemble the first gas phase passage 21 and the second gas phase passage 22 together to a vehicle or the like. For example, it is possible to attach the gas pipe that constitutes the first gas phase passage 21 and the gas pipe that constitutes the second gas phase passage 22 to the vehicle body using a common mounting bracket. Alternatively, it is also possible to form two flow paths in one piping member, set one flow path as the first gas phase passage 21, and set the other flow path as the second gas phase passage 22. Therefore, the device temperature control device 1 can improve the mountability to the vehicle or the like and the assemblability.
  • the eighteenth embodiment also describes an example of the arrangement of the first gas phase passage 21 and the second gas phase passage 22.
  • the pipe constituting the second gas phase passage 22 is provided inside the upper header tank 111, and is further provided inside the pipe constituting the first gas phase passage 21.
  • a portion of the first gas phase passage 21 and at least a portion of the second gas phase passage 22 form a double piping structure 26 in which the other piping is provided inside the one piping.
  • the upper header tank 111 and part of the second gas phase passage 22 also have a double piping structure 261 in which the second gas phase passage 22 is provided inside the upper header tank 111.
  • the device temperature control device 1 can improve the mountability to the vehicle or the like and the assemblability.
  • the flow passage area adjustment valve 80 is provided in the gas phase passage.
  • the flow passage area adjustment valve 80 is a member that regulates the flow of the working fluid in the liquid phase from the connection side of the gas phase passage to the merging portion 30 side.
  • the flow passage area adjustment valve 80 is provided in the first gas phase passage 21.
  • the flow path area adjustment valve 80 regulates the flow of the working fluid in the liquid phase from the first connection portion 211 side of the first gas phase passage 21 to the merging portion 30 side.
  • the flow passage area adjustment valve 80 flows the working fluid flow of the liquid phase from the second connection portion 221 side to the merging portion 30 side. regulate.
  • the flow passage area adjustment valve 80 of the nineteenth embodiment is a solenoid valve driven by a drive signal transmitted from the control device 81.
  • the controller 81 transmits a drive signal to the flow passage area adjusting valve 80 when the inclination of the device temperature adjusting unit 10 is detected by the inclination sensor 82 that detects the inclination of the device temperature adjusting unit 10.
  • the flow passage area adjustment valve 80 causes the flow of the working fluid in the liquid phase from the first connection portion 211 side of the first gas phase passage 21 to the condenser 50 side.
  • FIG. 31 hatching is given to the area
  • the flow of the working fluid in the liquid phase is restricted by the flow path area adjustment valve 80, so that the merging portion 30 is prevented from being submerged. Therefore, the flow of the working fluid in the gas phase from the second gas phase passage 22 toward the merging passage 40 via the merging portion 30 is secured. Therefore, the equipment temperature control apparatus 1 can improve the mounting property to a vehicle etc. by lowering
  • the device temperature control device 1 when the device temperature adjustment device 1 is inclined, the flow of the working fluid in the liquid phase is regulated by the flow passage area adjustment valve 80, so that the liquid flowing out from the device heat exchanger 11 to the first gas phase passage 21 The amount of phase working fluid is reduced.
  • the device temperature control device 1 when the device temperature control device 1 is inclined, the reduction of the working fluid in the liquid phase inside the device heat exchanger 11 is suppressed. Therefore, the device temperature control device 1 can improve the cooling performance of the battery 2 and can suppress the temperature distribution of the battery cells 3 from becoming large.
  • the flow passage area adjustment valve 80 of the nineteenth embodiment operates in accordance with a control signal of the control device 81 when the inclination of the device temperature adjustment device 1 is detected by the inclination sensor 82. Therefore, the flow passage area adjusting valve 80 reliably operates in accordance with the inclination of the device temperature adjusting device 1. Therefore, the flow passage area adjustment valve 80 can reliably restrict the flow of the working fluid in the liquid phase from the connection side of the gas phase passage to the merging portion 30 side.
  • the twentieth embodiment is a modification of the flow passage area adjustment valve described in the nineteenth embodiment.
  • the flow passage area adjustment valve 83 of the twentieth embodiment has a valve seat 84 and a valve body 85.
  • the valve seat 84 is provided on the inner wall of the gas phase passage 21.
  • the valve body 85 is a ball valve disposed in a flow path closer to the connection portion than the valve seat 84. The ball valve disengages from the valve seat 84 when the connection portion 211 of the gas phase passage 21 is lower than the valve seat 84 in the gravity direction. Further, as shown in FIG.
  • the flow passage area adjustment valve 86 of the twenty-first embodiment also has a valve seat 87 and a valve body 88.
  • the valve seat 87 is provided on the inner wall of the gas phase passage.
  • the valve body 88 is a float valve formed of a material whose mass is smaller than that of the liquid phase working fluid. As shown in FIG. 34, the float valve is separated from the valve seat 87 by its own weight when the gas phase working fluid flows in the gas phase passage 21. Further, as shown in FIG. 35, the float valve is seated on the valve seat 87 by buoyancy when the working fluid in the liquid phase flows in the gas phase passage 21. In addition, in FIG. 35, the hatching of the broken line is attached to the area
  • the flow path area adjustment valve 86 can regulate the flow of the working fluid in the liquid phase from the connection portion 211 side of the gas phase passage 21 to the merging portion 30 side. Therefore, in the twenty-first embodiment, the structure of the flow passage area adjustment valve 86 can be simplified.
  • first gas phase passage 21 and the second gas phase passage 22 extend in an abutting or adjacent state. Further, the connection passage 61 and the second gas phase passage 22 also extend in an abutting or adjacent state.
  • the first gas phase passage 21 and the second gas phase passage 22 constitute parallel portions 25 extending in a state of being in contact with or adjacent to each other. Further, the connection passage 61 and the second gas phase passage 22 also constitute parallel portions 251 extending in a state of being in contact with or adjacent to each other. As a result, the area occupied by the first gas phase passage 21, the second gas phase passage 22, and the connection passage 61 is reduced. Further, it is also possible to assemble the first gas phase passage 21, the second gas phase passage 22, and the connection passage 61 together to a vehicle or the like.
  • the device temperature control apparatus 1 can improve the mounting property to a vehicle etc., and an attachment property.
  • the pipe constituting the second gas phase passage 22 is provided inside the pipe constituting the first gas phase passage 21 and the connection passage 61.
  • the first gas phase passage 21, the connection passage 61 and the second gas phase passage 22 form a double piping structure 26 in which the other piping is provided inside one piping.
  • the area occupied by the first gas phase passage 21, the connection passage 61 and the second gas phase passage 22 is reduced.
  • the shape of the components when referring to a positional relationship or the like, except in particular clearly the case and principle specific shape, etc. If to be limited to the positional relationship or the like, the shape, It is not limited to the positional relationship and the like.
  • the battery 2 has been described as an example of the target device whose temperature is adjusted by the device temperature adjustment device 1.
  • the target device whose temperature is adjusted by the device temperature adjustment device 1 may be another device that requires cooling or warming up, such as a motor, an inverter, or a charger.
  • the device temperature control device 1 may have a function of warming up the target device.
  • the working fluid heated and evaporated by the heating mechanism flows from the outlet to the heat exchanger for equipment through the gas phase passage.
  • the working fluid which dissipates heat and condenses to the battery 2 in the heat exchanger for equipment flows from the inflow portion to the heating mechanism through the liquid phase passage due to the head difference. By circulating such a working fluid, the device temperature control apparatus 1 can warm up the target device.
  • the working fluid may employ other fluids such as propane and carbon dioxide, for example.
  • the plurality of gas phase passages 21 and 22 are connected by the junction 30, and the junction 30 and the condenser 50 are connected by the junction 40.
  • the apparatus temperature adjusting unit 10 and the condenser 50 may be connected by a plurality of gas phase passages 21 and 22 without providing the merging portion 30 and the merging passage 40. .
  • the enclosed amount of the working fluid is adjusted so that the fluid level FL of the working fluid is located in the middle of the heat exchanger 11 for the device when the device temperature adjusting unit 10 is in the horizontal state.
  • the amount of the working fluid enclosed may be adjusted so that the fluid level FL of the working fluid is located in the middle of the gas phase passage. Good.
  • the device temperature control unit includes one or more device heat exchangers configured to allow heat exchange between the target device and the working fluid so that the working fluid evaporates when the target device is cooled.
  • the condenser dissipates the gas phase working fluid and causes the condensed liquid phase working fluid to flow out.
  • the liquid phase passage allows the working fluid in the liquid phase to flow between the condenser and the device temperature control unit.
  • the plurality of gas phase passages allow the gas phase working fluid to flow between the device temperature control unit and the condenser.
  • the first connection portion in which the first gas phase passage is connected to the device temperature adjustment unit among the plurality of gas phase passages and the second connection portion in which the second gas phase passage is connected to the device temperature adjustment portion are horizontally separated Located in the
  • the device temperature control device is mounted on a vehicle, and the first connection portion and the second connection portion are located at places separated in the vehicle longitudinal direction. According to this, the device temperature control device corresponds to the inclination in the longitudinal direction of the vehicle.
  • the inclination in the longitudinal direction of the vehicle is likely to be maintained for a long time, as when climbing a vehicle. Further, as in a scene such as acceleration and deceleration, a state in which an inertial force in the longitudinal direction of the vehicle acts is likely to be maintained for a long time.
  • the device temperature controller can operate continuously in such a scene, and the battery can be continuously cooled.
  • the device temperature control apparatus can improve the cooling performance of the target device by improving the circulation of the working fluid of the thermosiphon circuit.
  • the liquid level of the working fluid is on the upper side of one of the first connection portion or the second connection portion, and the first connection portion or the second connection is The amount of working fluid enclosed is adjusted so that it is under the other of the parts.
  • the working fluid evaporated in the device heat exchanger is transferred from the first connection portion or the second connection portion located above the liquid level to the first gas phase passage or It flows into the second gas phase passage. Therefore, the device temperature control apparatus can improve the cooling performance of the target device by improving the circulation of the working fluid of the thermosiphon circuit.
  • the gas phase passage includes the junction and the junction.
  • the merging portion merges the working fluid flowing in the first gas phase passage with the working fluid flowing in the second gas phase passage.
  • the merging passage allows the gas phase working fluid to flow between the merging portion and the condenser.
  • the merging portion is provided on the upper side in the gravity direction than the first connection portion and the second connection portion.
  • the device temperature control apparatus is configured to connect between the merging portion and the condenser by the merging passage, so that all of the device temperature adjusting portion and the condenser are connected by the plurality of gas phase passages. The number of pipes can be reduced compared to the configuration described above.
  • the device temperature control apparatus can improve the cooling performance of the target device by improving the circulation of the working fluid of the thermosiphon circuit.
  • the enclosed amount of the working fluid is adjusted such that the fluid level of the working fluid is below the merging portion. According to this, when the device temperature adjustment unit is inclined, it is possible to prevent the junction from being submerged.
  • the first connection portion and the second connection portion are provided at positions separated in the horizontal direction of one device heat exchanger. According to this, when the heat exchanger for equipment is inclined, the working fluid evaporated in the heat exchanger for equipment is transferred from the first connection portion or the second connection portion located on the upper side in the gravity direction to the first gas phase passage or It flows through the second gas phase passage and flows into the condenser. Therefore, the device temperature adjusting device can cool the target device even when the device temperature adjusting unit is inclined.
  • the device heat exchanger has a shape having a longitudinal direction and a short direction as viewed from the direction of gravity, and is in direct thermal contact with the target device or indirectly through the heat conducting member. It has a heat exchange part.
  • the first connection portion and the second connection portion are provided at positions longitudinally outside the heat exchange portion in the device heat exchanger. According to this, in one heat exchanger for apparatus, the first connection portion and the second connection portion are provided at positions largely separated in the horizontal direction. Therefore, even when the heat exchanger for equipment is greatly inclined, the working fluid of the gas phase evaporated in the heat exchanger for equipment is transferred from the first connection portion or the second connection portion to the first gas phase passage or the second gas phase passage It is possible to
  • the first connection portion is provided at a position forward of the heat exchange portion of the heat exchanger for the device.
  • the second connection portion is provided at a position on the vehicle rear side of the heat exchange portion in the device heat exchanger.
  • the first gas phase passage has a portion extending upward or forward of the vehicle from the first connection portion, and the second gas phase passage has a portion extending upward or rearward of the vehicle from the second connection portion.
  • the gas phase refrigerant evaporated in the heat exchange part of the heat exchanger for equipment becomes easy to be led to the first gas phase passage.
  • the second gas phase passage is inclined so that the portion extending upward or forward from the second connection portion is upward, the second gas phase passage is relative to the heat exchange portion of the heat exchanger for equipment It does not go down. Therefore, at the time of such inclination, the gas phase refrigerant evaporated in the heat exchange part of the heat exchanger for equipment becomes easy to be led to the second gas phase passage.
  • the device temperature adjusting unit is provided in any one of the plurality of device heat exchangers and the plurality of device heat exchangers provided at positions separated in the vehicle longitudinal direction. It has the connection passage which connects 1st connection part and 2nd connection part. According to this, when the several apparatus heat exchanger which an apparatus temperature adjustment part inclines, one side of a 1st connection part and a 2nd connection part is located in a gravity direction upper side, and a 1st connection part and a 2nd connection The other of the parts is located below the direction of gravity.
  • the working fluid evaporated in the plurality of equipment heat exchangers passes the first gas phase passage or the second gas phase passage from the first connection portion or the second connection portion located on the upper side in the gravity direction via the connection passage. Flow into the condenser. Therefore, the device temperature adjusting device can cool the target device even when the plurality of device heat exchangers are inclined.
  • the first connection portion is provided to a predetermined device heat exchanger disposed on the vehicle front side among the plurality of device heat exchangers.
  • the second connection portion is provided to another device heat exchanger disposed on the rear side of the vehicle among the plurality of device heat exchangers.
  • the first gas phase passage has a portion extending upward or forward of the vehicle from the first connection portion.
  • the second gas phase passage has a portion extending upward or rearward of the vehicle from the second connection portion.
  • the first gas phase passage or the second gas phase passage and the connection passage constitute a parallel portion extending in a state of being in contact with or adjacent to each other. According to this, the area occupied by the first gas phase passage or the second gas phase passage and the connection passage becomes smaller.
  • this apparatus temperature control apparatus can improve the mounting property to a vehicle etc., and an attachment property.
  • At least a portion of the first gas phase passage and at least a portion of the second gas phase passage form parallel portions extending in a state of being in contact with or adjacent to each other. According to this, the area occupied by the first gas phase passage and the second gas phase passage becomes smaller. In addition, it is also possible to assemble the first gas phase passage and the second gas phase passage together to a vehicle or the like. Therefore, this apparatus temperature control apparatus can improve the mounting property to a vehicle etc., and an attachment property.
  • the fourteenth aspect at least a part of the first gas phase passage or the second gas phase passage and the connection passage have a double pipe structure in which the other pipe is provided inside the one pipe. . According to this, the area occupied by the first gas phase passage or the second gas phase passage and the connection passage becomes smaller. Moreover, it is also possible to assemble
  • At least a portion of the first gas phase passage and at least a portion of the second gas phase passage have a double piping structure in which the other piping is provided inside the one piping. . According to this, the area occupied by the first gas phase passage and the second gas phase passage becomes smaller. Moreover, it is also possible to assemble
  • the device temperature adjusting device is provided in the first gas phase passage or the second gas phase passage, and the flow of the working fluid in the liquid phase from the connection portion side of the gas phase passage to the merging portion side It has a flow path area adjustment valve that regulates. According to this, when the device temperature adjustment unit is inclined, the flow of the working fluid in the liquid phase from the connection portion side of the first connection portion and the second connection portion located on the lower side in the gravity direction is restricted. As a result, the junction is prevented from being submerged. Therefore, the flow of the working fluid of the gaseous phase which goes to a confluence passage via a confluence part from the connection part side located in gravity direction upper side among the 1st connection part and the 2nd connection part is secured.
  • the equipment temperature control apparatus can improve the mounting property to a vehicle etc. by lowering the position of the junction.
  • the working fluid in the liquid phase flowing from the connection portion located on the lower side in the direction of gravity of the first connection portion and the second connection portion to the gas phase passage is a flow passage area adjustment valve. Flow is regulated. Therefore, when the device temperature control unit is inclined, it is possible to reduce the amount of liquid working fluid flowing from the device heat exchanger to the gas phase passage. Therefore, since the decrease in the working fluid in the liquid phase of the heat exchanger for equipment is suppressed, the equipment temperature control apparatus can improve the cooling performance of the target equipment.
  • the device temperature adjusting device further includes a tilt sensor that detects the tilt of the device temperature adjusting unit.
  • the flow passage area adjustment valve regulates the flow of the working fluid in the liquid phase from the connection side of the gas phase passage to the condenser side. According to this, since the flow passage area adjustment valve operates corresponding to the inclination of the device temperature adjustment unit, the flow passage area adjustment valve operates the working fluid of the liquid phase from the connection portion side of the gas phase passage to the merging portion side Flow can be reliably regulated.
  • the flow passage area adjustment valve has a valve seat and a valve body.
  • the valve seat is provided on the inner wall of the gas phase passage.
  • the valve element is seated on the valve seat by its own weight when the connection of the gas phase passage is above the valve seat in the direction of gravity, and from the valve seat when the connection of the gas phase passage is below the valve seat in the direction of gravity Take a break. According to this, the configuration of the flow passage area adjustment valve can be simplified.
  • the flow passage area adjustment valve has a valve seat and a valve body.
  • the valve seat is provided on the inner wall of the gas phase passage.
  • the valve body floats on the valve seat when the liquid phase working fluid flows in the gas phase passage, and leaves the valve seat when the gas phase working fluid flows in the gas phase passage. According to this, the configuration of the flow passage area adjustment valve can be simplified.
  • a passage and a connection passage are provided.
  • the device temperature control unit has a plurality of device heat exchangers and a connection passage.
  • the plurality of device heat exchangers are configured to be able to exchange heat between the target device and the working fluid so that the working fluid evaporates when the target device is cooled.
  • the connection passage connects the plurality of device heat exchangers to each other.
  • the condenser dissipates the gas phase working fluid and causes the condensed liquid phase working fluid to flow out.
  • the liquid phase passage causes the working fluid in the liquid phase to flow between the plurality of instrument heat exchangers and the condenser.
  • the plurality of gas phase passages allow the gas phase working fluid to flow between the plurality of equipment heat exchangers and the condenser.
  • the first connection portion in which the first gas phase passage is connected to the device temperature adjustment unit among the plurality of gas phase passages and the second connection portion in which the second gas phase passage is connected to the device temperature adjustment portion are horizontally separated Located in the The first connection portion and the second connection portion may be provided in separate device heat exchangers, or may be provided in the same device heat exchanger.
  • the working fluid evaporated in the plurality of equipment heat exchangers flows from at least one of the first gas phase passage and the second gas phase passage from the first connection portion or the second connection portion located on the upper side in the direction of gravity. It flows into the condenser.
  • the working fluid condensed by the condenser flows through the liquid phase passage and flows into the plurality of equipment heat exchangers.

Abstract

Dans la présente invention, une unité de réglage de température de dispositif (10) comporte un ou plusieurs échangeurs de chaleur de dispositif (11-14) configurés de façon à pouvoir échanger de la chaleur entre un dispositif sujet et un fluide de travail de sorte que le fluide de travail s'évapore pendant le refroidissement du dispositif sujet. Un condenseur (50) amène le fluide de travail en phase gazeuse à dissiper de la chaleur, et évacue ainsi le fluide de travail en phase liquide condensé. Un passage de phase liquide (55) permet au fluide de travail en phase liquide de s'écouler entre le condenseur (50) et l'unité de réglage de température de dispositif (10). Une pluralité de passages de phase gazeuse (21-24, 30-32 et 40-42) permettent au fluide de travail en phase gazeuse de s'écouler entre l'unité de réglage de température de dispositif (10) et le condenseur (50). Une première partie de raccordement (211), qui est destinée à raccorder l'unité de réglage de température de dispositif (10) à un premier passage de phase gazeuse (21) parmi la pluralité de passages de phase gazeuse, et une deuxième partie de raccordement (221), qui est destinée à raccorder l'unité de réglage de température de dispositif (10) à un deuxième passage de phase gazeuse (22) parmi la pluralité de passages de phase gazeuse, sont positionnées à des emplacements séparés l'un de l'autre dans une direction horizontale.
PCT/JP2018/029095 2017-09-13 2018-08-02 Appareil de réglage de température de dispositif WO2019054076A1 (fr)

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CN111854488A (zh) * 2019-04-26 2020-10-30 丰田自动车株式会社 冷却装置

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JP2017116151A (ja) * 2015-12-22 2017-06-29 パナソニックＩｐマネジメント株式会社 冷却装置、これを搭載した電子機器および電気自動車

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JP2000065456A (ja) * 1998-08-20 2000-03-03 Denso Corp 沸騰冷却装置
JP2005019904A (ja) * 2003-06-30 2005-01-20 Matsushita Electric Ind Co Ltd 冷却装置
JP2007533944A (ja) * 2004-03-31 2007-11-22 ベリッツ コンピューター システムズ， インコーポレイテッド コンピュータおよび他の電子機器用の熱サイフォンベースの薄型冷却システム
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WO2020203152A1 (fr) * 2019-03-29 2020-10-08 株式会社デンソー Dispositif de refroidissement de type à thermosiphon pour véhicule
CN111854488A (zh) * 2019-04-26 2020-10-30 丰田自动车株式会社 冷却装置
CN111854488B (zh) * 2019-04-26 2022-04-08 丰田自动车株式会社 冷却装置

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