WO2019097913A1 - Dispositif de réglage de température de machine - Google Patents

Dispositif de réglage de température de machine Download PDF

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Publication number
WO2019097913A1
WO2019097913A1 PCT/JP2018/037970 JP2018037970W WO2019097913A1 WO 2019097913 A1 WO2019097913 A1 WO 2019097913A1 JP 2018037970 W JP2018037970 W JP 2018037970W WO 2019097913 A1 WO2019097913 A1 WO 2019097913A1
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Prior art keywords
heat exchange
heat
working fluid
exchange unit
circuit
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PCT/JP2018/037970
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English (en)
Japanese (ja)
Inventor
功嗣 三浦
康光 大見
義則　毅
竹内　雅之
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株式会社デンソー
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Publication of WO2019097913A1 publication Critical patent/WO2019097913A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • 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

Definitions

  • the present disclosure relates to a device temperature control apparatus that adjusts the temperature of a target device by phase change between a liquid phase and a gas phase of a working fluid.
  • thermosiphon for adjusting the temperature of an electric device such as a secondary battery mounted on an electric vehicle such as an electric vehicle or a hybrid vehicle.
  • the device temperature control device described in Patent Document 1 absorbs heat from the battery to evaporate the working fluid in the temperature control unit as an evaporator connected to the battery and passes through the gas phase passage. Flows into the heat medium cooling unit as a condenser. Then, the working fluid in the liquid phase condensed in the heat medium cooling unit flows into the temperature control unit through the liquid phase passage.
  • the device temperature control device is configured to cool the battery by the phase change of the working fluid circulating in the thermosyphon circuit.
  • the heat medium cooling unit condenses the working fluid by exchanging heat between the working fluid and a predetermined heat radiation destination which is a low-pressure refrigerant whose pressure has been reduced in the refrigeration cycle.
  • the device temperature control device of Patent Document 1 Although there is one battery as a target device to be cooled by the device temperature control device of Patent Document 1, a plurality of target devices are provided, and it is assumed that the plurality of target devices are cooled respectively. In that case, it is also assumed that the thermosiphon circuit which has an evaporator and a condenser is provided for every object apparatus. However, if so configured, as many fluid condensers as fluid cooling units for cooling the working fluid by heat exchange between the working fluid and a predetermined heat radiation destination other than the working fluid are also required as many as the target devices. For example, in the case of the device temperature control device of Patent Document 1, the number of fluid cooling units that are heat medium cooling units connected to the refrigeration cycle is the same as the number of batteries that are the target devices.
  • the inventors have considered connecting the working fluid to be in fluid communication with each other, the device heat exchange units being evaporators provided for each target device.
  • the plurality of heat exchangers for equipment are simply connected as described above, when the heat exchange parts for the plurality of equipment are arranged to have a difference in height from each other, the equipment located on the lower side by gravity
  • the working fluid in the liquid phase is biased to the heat exchange section. If so, for example, in the heat exchange section for equipment located on the upper side, the shortage of the working fluid in the liquid phase occurs, and it becomes difficult to uniformly cool a plurality of target equipment.
  • the above was found.
  • the present disclosure provides a device temperature control device capable of appropriately cooling a plurality of target devices even when the plurality of device heat exchange units are arranged to have a height difference with each other. Intended to be provided.
  • an apparatus temperature control device is An apparatus temperature control apparatus that adjusts the temperatures of a plurality of target devices by phase change between a liquid phase and a gas phase of a working fluid, A plurality of thermosiphon circuits provided for a plurality of target devices; And a fluid cooling unit, Working fluids circulate independently in multiple thermosiphon circuits, Each of the plurality of thermosyphon circuits has an apparatus heat exchange unit for exchanging heat between the target device and the working fluid, and a connected heat exchange unit connected to the apparatus heat exchange unit for exchanging heat with the working fluid,
  • the coupled heat exchange units included in the plurality of thermosiphon circuits are each configured to exchange heat with the working fluid in the coupled heat exchange unit included in the other thermosyphon circuit, in the coupled heat exchange unit.
  • the working fluids of multiple thermosyphon circuits are heat exchangeable with one another,
  • the plurality of thermosiphon circuits include a first thermosiphon circuit and a second thermosiphon circuit,
  • the device heat exchanger of the first thermosiphon circuit is disposed above the device heat exchanger of the second thermosiphon circuit,
  • the fluid cooling unit cools the working fluid in the object to be cooled,
  • the portion to be cooled is one of the uppermost thermosyphon circuits having a device heat exchange portion positioned uppermost among the plurality of device heat exchange portions of the plurality of thermosyphon circuits among the plurality of thermosyphon circuits. Make up the department.
  • thermosyphon circuits since the working fluid does not flow across the device heat exchange units of the plurality of thermosyphon circuits, the working fluid in the liquid phase is biased to the lower unit heat exchange unit. It is possible to prevent. Then, the working fluid of the uppermost thermosyphon circuit can be cooled by the fluid cooling unit, and the working fluid of the thermosyphon circuits other than the uppermost thermosyphon circuit can also be cooled via the working fluid of the uppermost thermosyphon circuit . From these things, it is possible to cool a plurality of target devices appropriately.
  • parenthesized reference symbol attached to each component etc. shows an example of the correspondence of the component etc. and the specific component etc. as described in the embodiment to be described later.
  • FIG. 5 is a cross-sectional view showing the IV-IV cross section of FIG. 1 in the first embodiment. It is a graph for demonstrating the input-output characteristic of an assembled battery in 1st Embodiment.
  • thermosiphon circuit model for simplifying and explaining operation of apparatus heat regulation device in a 1st embodiment, and is a figure showing a flow of working fluid at the time of battery cooling.
  • thermosiphon circuit model for simplifying and explaining operation of apparatus heat regulation device in a 1st embodiment, and is a figure showing a flow of operation fluid at the time of battery warm-up.
  • FIG. 1 it is the figure which showed the flow of the working fluid at the time of battery cooling.
  • FIG. 1 it is the figure which showed the flow of the working fluid at the time of battery warm-up.
  • FIG. 5 is a cross-sectional view showing a cross section XX in FIG. 4 in the first embodiment.
  • the fluid cooling part contained in an apparatus temperature control apparatus is the figure which showed schematic structure of the refrigerating-cycle apparatus utilized in order to cool a working fluid. It is a schematic diagram which showed schematic structure of the apparatus temperature control apparatus in a comparative example, and the distribution channel of a working fluid, Comprising: It is a figure corresponded in FIG. It is a schematic diagram which showed schematic structure of the apparatus temperature control apparatus in 2nd Embodiment, and the distribution channel of a working fluid, Comprising: It is a figure corresponded in FIG. It is the model which showed schematic structure of the integrated heat exchanger which an apparatus temperature control apparatus has in 2nd Embodiment.
  • FIG. 10 is a schematic view showing a schematic configuration of a second heat medium-working fluid heat exchanger included in the device temperature adjustment device in the second embodiment. It is a schematic diagram which showed schematic structure of the apparatus temperature control apparatus in 3rd Embodiment, and the distribution channel of a working fluid, Comprising: It is a figure corresponded in FIG. It is a schematic diagram which showed schematic structure of the apparatus temperature control apparatus in 4th Embodiment, and the distribution channel of a working fluid, Comprising: It is a figure corresponded in FIG. It is a schematic diagram which showed schematic structure of the apparatus temperature control apparatus in 5th Embodiment, and the distribution channel of a working fluid, Comprising: It is a figure corresponded in FIG.
  • FIG. 6 It is a schematic diagram which showed schematic structure of the apparatus temperature control apparatus in 6th Embodiment, and the distribution channel of a working fluid, Comprising: It is a figure corresponded in FIG. It is a schematic diagram which showed schematic structure of the apparatus temperature control apparatus in 7th Embodiment, and the distribution channel of a working fluid, Comprising: It is a figure corresponded in FIG. It is a schematic diagram which showed schematic structure of the apparatus temperature control apparatus in 8th Embodiment, and the distribution channel of a working fluid, Comprising: It is a figure corresponded in FIG.
  • the apparatus temperature control apparatus 1 of this embodiment is a vehicle-mounted apparatus mounted in the vehicle 90 of FIG. And the apparatus temperature control apparatus 1 adjusts the battery temperature of several assembled battery BP by the phase change of the liquid phase of a working fluid, and a gaseous phase. That is, in the present embodiment, the target devices to which the device temperature adjustment device 1 adjusts the temperature are the plurality of battery packs BP.
  • an electric vehicle or a hybrid vehicle capable of traveling by a traveling electric motor (not shown) using the assembled battery BP as a power supply is assumed.
  • the amount mounted of the assembled battery BP tends to increase with the aim of improving the EV cruising distance.
  • a plug-in hybrid car is equipped with an engine, a transmission, an exhaust pipe and the like, so there are cases where a sufficient space for mounting the assembled battery BP can not be secured under the floor.
  • the battery pack BP is distributed and arranged at a plurality of locations such as under the floor of the vehicle 90 or under the trunk room.
  • a plurality of battery packs BP are distributed and disposed under the floor of the vehicle 90 and below the trunk room.
  • the plurality of battery packs BP are arranged to have a difference in height from one another.
  • the battery pack BP has a plurality of battery cells BC in a rectangular parallelepiped shape.
  • the battery pack BP is formed of a laminate in which the plurality of battery cells BC are stacked. Specifically, the plurality of battery cells BC are stacked in a predetermined stacking direction DRs. Accordingly, the entire assembled battery BP also has a substantially rectangular parallelepiped shape.
  • the device temperature adjustment device 1 includes two thermosiphon circuits 11 and 12, and a pair of battery packs BP is provided for each of the thermosiphon circuits 11 and 12. In short, a total of four battery packs BP are provided.
  • the battery pack BP has a battery bottom surface Bb formed on the opposite side of the battery terminals Bt as a part of the surface of the battery pack BP.
  • the assembled battery BP is disposed in a posture in which the battery bottom surface Bb is along the vehicle vertical direction DR1 (that is, the gravity direction DR1).
  • the stacking direction DRs of the battery cells BC coincides with the horizontal direction of the vehicle 90, and the horizontal direction of the vehicle 90 is a direction intersecting the vehicle vertical direction DR1. It is a direction orthogonal to DR1.
  • the vehicle longitudinal direction DR2 shown in FIG. 2 is one direction included in the horizontal direction of the vehicle 90.
  • the stacking direction DRs of the battery cells BC may or may not coincide with the vehicle longitudinal direction DR2, but in the present embodiment, any assembled battery BP coincides with the vehicle longitudinal direction DR2.
  • the stacking direction DRs of the battery cell BC is referred to as a cell stacking direction DRs.
  • the plurality of battery cells BC that constitute the assembled battery BP are electrically connected in series.
  • Each battery cell BC constituting the assembled battery BP is constituted by a chargeable / dischargeable secondary battery (for example, a lithium ion battery, a lead storage battery).
  • battery cell BC may have other shapes, such as not only a rectangular parallelepiped shape but a cylindrical shape.
  • the battery pack BP may be configured to include battery cells BC electrically connected in parallel.
  • the battery pack BP is connected to a power conversion device and a motor generator (not shown).
  • the power conversion device is, for example, a device that converts a direct current supplied from the battery pack BP into an alternating current, and supplies (that is, discharges) the converted alternating current to various electric loads such as a traveling electric motor.
  • the motor generator is a device that reversely converts the traveling energy of the vehicle 90 into electrical energy and supplies the reversely converted electrical energy as regenerative power to the battery pack BP via an inverter or the like during regeneration of the vehicle 90.
  • the battery pack BP Since the battery pack BP generates heat when power is supplied while the vehicle 90 is traveling, if the battery pack BP is not cooled, it is assumed that the battery pack BP becomes excessively hot due to the self-heat generation. Be done. When the temperature of the assembled battery BP becomes excessively high, as shown in FIG. 5, the deterioration of the battery cell BC is promoted, so that the input / output of the assembled battery BP must be reduced to suppress the calorific value of the assembled battery BP. . Therefore, a battery cooling device is required to maintain the battery pack BP at a predetermined temperature or lower.
  • a power storage device including the battery pack BP is often disposed under the floor of the vehicle 90 shown in FIG. 2 or under the trunk room. Therefore, assuming that the battery pack BP is not cooled, the battery temperature of the battery pack BP gradually rises not only during traveling of the vehicle 90 but also during parking in summer, etc., and the battery temperature becomes excessively high. is there. If the battery pack BP is left in a high temperature environment, the battery life is greatly reduced due to the progress of deterioration, so the battery temperature of the battery pack BP is maintained below a predetermined temperature even while the vehicle 90 is parked. Is desired.
  • the battery pack BP is configured of a plurality of battery cells BC, when the temperature of each battery cell BC varies, the degree of progress of the deterioration of each battery cell is uneven, and the entire battery pack BP is Input / output characteristics are degraded.
  • the battery pack BP includes the series connection body of the battery cells BC, and the input / output characteristics of the entire battery pack BP according to the battery characteristics of the battery cell BC most deteriorated among the battery cells BC. Is determined. For this reason, in order to cause the battery pack BP to exhibit desired performance for a long period of time, temperature equalization for reducing the temperature variation of each battery cell BC is important.
  • an air-cooled cooler by a blower or the like is generally used as a battery cooling device for cooling the assembled battery BP.
  • thermo-siphon system in which the battery pack BP is cooled by natural circulation accompanied by phase change of the working fluid.
  • thermosiphon system also for warming up of the assembled battery BP
  • the device temperature control apparatus 1 of the present embodiment not only functions as a battery cooling device but It also has a function as a battery warm-up device that warms up the BP.
  • thermosiphon circuit model 70 capable of cooling and warming up the battery pack BP will be described.
  • the thermosiphon circuit model 70 is a model for simplifying and explaining the operation of the device temperature control device 1 of the present embodiment.
  • thermosiphon circuit model 70 is configured as a loop thermosiphon in which a working fluid circulates.
  • the thermosyphon circuit model 70 is provided with a device heat exchanger 71, a fluid passage 72, and a heating and cooling device 73.
  • the device heat exchanger 71 is connected to the battery assembly BP so as to be able to conduct heat, and an internal space is formed in the device heat exchanger 71 through which working fluid that exchanges heat with the battery assembly BP flows. .
  • the device heat exchanger 71 has an upper connecting portion 711 and a lower connecting portion 712 communicating with the internal space of the device heat exchanger 71.
  • the upper connection portion 711 is provided at a position on the upper side in the vehicle vertical direction DR1 of the device heat exchanger 71, and the lower connection portion 712 is on the lower side in the vehicle vertical direction DR1 of the device heat exchanger 71.
  • Provided at the The upper connection portion 711 and the lower connection portion 712 are both pipe connection portions for causing the working fluid to flow into the heat exchanger 71 for the device or causing the working fluid to flow out of the heat exchanger 71 for the device.
  • the fluid passage 72 is connected to each of the upper connection portion 711 and the lower connection portion 712 so that the upper connection portion 711 and the lower connection portion 712 are in communication with each other.
  • the heating and cooling device 73 is provided in the fluid passage 72, and is configured to be able to selectively perform heating and cooling of the working fluid flowing through the fluid passage 72.
  • a water-working fluid heat exchanger, a refrigerant-working fluid heat exchanger, a Peltier element or the like can be employed as the heating cooler 73.
  • the fluid level FL of the working fluid is located within the range of the space width of the space occupied by the internal space of the heat exchanger 71 for equipment in the vehicle vertical direction DR1. That is, both the gas-phase working fluid and the liquid-phase working fluid exist in the heat exchanger 71 for equipment.
  • the heating cooler 73 is provided in the fluid passage 72 at a position in the height direction crossing the height of the liquid level FL of the working fluid in the heat exchanger 71 for the device. Therefore, the heating cooler 73 can dissipate heat from the gas phase working fluid flowing in the fluid passage 72 and condense the working fluid.
  • the heating and cooling device 73 can also heat the liquid phase working fluid flowing through the fluid passage 72 and evaporate the working fluid.
  • the positional relationship in which the heat exchange portion performing heat exchange of the working fluid is provided at a position in the height direction crossing the height of the fluid level FL of the working fluid like the heating cooler 73 is the device temperature described later.
  • the heating cooler 73 functions as a cooler for cooling the working fluid flowing through the fluid passage 72 and dissipates heat from the working fluid .
  • the working fluid is condensed in the heating and cooling device 73.
  • the working fluid in the liquid phase is heated and cooled by the head difference between the working fluid in the liquid phase condensed by the heating and cooling device 73 and the working fluid in the liquid phase in the heat exchanger 71 for equipment. It flows into the heat exchanger 71 for apparatus from the vessel 73 through the lower connection part 712.
  • the working fluid in the device heat exchanger 71 evaporates by absorbing heat from the battery pack BP.
  • the battery pack BP is cooled by the latent heat of vaporization of the working fluid.
  • the working fluid in the vapor phase flows from the upper connection 711 through the fluid passage 72 to the heating and cooling device 73.
  • the working fluid flows in the order of the heating cooler 73, the lower connecting portion 712, the internal space of the heat exchanger 71 for the device, and the upper connecting portion 711 as shown by solid arrows in FIG. It returns to the heating cooler 73 from the upper connection 711.
  • the heating cooler 73 functions as a heater for heating the working fluid flowing through the fluid passage 72 and absorbs heat from the working fluid. .
  • the working fluid evaporates in the heating cooler 73.
  • the working fluid in the vapor phase evaporated by the heating and cooling device 73 flows from the heating and cooling device 73 into the heat exchanger 71 for the device through the upper connection portion 711.
  • the working fluid in the gas phase dissipates heat to the battery pack BP and condenses. In this process, the battery pack BP is warmed up.
  • the liquid phase working fluid in the device heat exchanger 71 is The heat flows from the device heat exchanger 71 to the heating cooler 73.
  • the working fluid flows in the order of the heating cooler 73, the upper connecting portion 711, the internal space of the heat exchanger 71 for the device, and the lower connecting portion 712 as shown by solid arrows in FIG. , Return to the heating cooler 73 from the lower connection portion 712. As described above, the flow of the working fluid in the thermosyphon circuit model 70 is looped through the heat exchanger 71 for the device and the heating cooler 73.
  • the device temperature control device 1 of the present embodiment performs temperature control of a plurality of battery packs BP, and the plurality of battery packs BP are arranged so as to have a difference in height as shown in FIG. 2. It is done. Therefore, as shown in FIG. 1, the device temperature control apparatus 1 includes a plurality of thermosiphon circuits 11 and 12 that operate in the same manner as the thermosiphon circuit model 70 described above. In addition, the device temperature control device 1 heats the working fluid so as to warm up the assembled battery BP, the thermosiphon circuit 14 for heat transfer, the fluid cooling unit 18 that cools the working fluid to cool the assembled battery BP, and And a fluid heating unit 20.
  • the plurality of thermosiphon circuits 11 and 12 are provided for each of the plurality of battery packs BP. Further, the plurality of thermosyphon circuits 11 and 12 have individually independent sealing structures, and working fluid is enclosed in the thermosyphon circuits 11 and 12, respectively. Accordingly, in the plurality of thermosiphon circuits 11 and 12, the working fluid circulates independently of each other.
  • thermosyphon circuits 11 and 12 As the working fluid circulating in the thermosyphon circuits 11 and 12, a refrigerant used in a vapor compression refrigeration cycle, for example, a fluorocarbon refrigerant such as HFO-1234yf or HFC-134a is employed.
  • the thermosiphon circuits 11 and 12 are configured as loop thermosiphons, which are a type of heat pipe that transfers heat by evaporation and condensation of the working fluid. Therefore, the working fluid naturally circulates in the thermosyphon circuits 11 and 12.
  • the interiors of the plurality of thermosyphon circuits 11 and 12 are each filled with the working fluid.
  • the filling amount of the working fluid of the thermosyphon circuits 11 and 12 is the level of the working fluid when the battery is cooled as shown in FIG. 8, when the battery is warmed up as shown in FIG. 9, and when the thermosyphon circuits 11 and 12 are not working.
  • the heights of FLa and FLb are adjusted to fall within a predetermined range.
  • the predetermined range of the heights of the liquid levels FLa and FLb is, for example, the entire space vertical width occupied by the internal space of the device connecting portion 303 or 343 included in the device heat exchange portion 30 or 34 in the vehicle vertical direction DR1. Although it may be used, it is preferable that it be a central portion of the space upper and lower width.
  • the non-operation of the thermosyphon circuits 11 and 12 refers to a state in which the working fluid is not evaporated and condensed in the thermosyphon circuits 11 and 12.
  • the liquid level FLa described above is the liquid level formed in the device heat exchange unit 30 of the first thermosiphon circuit 11, and the liquid level FLb is the heat exchange for the device of the second thermosiphon circuit 12. It is a liquid level formed in the portion 34.
  • the plurality of thermosiphon circuits 11 and 12 include a first thermosiphon circuit 11 and a second thermosiphon circuit 12 in the present embodiment.
  • the first thermosiphon circuit 11 has a device heat exchange unit 30 and a connection heat exchange unit 31.
  • the device heat exchange unit 30 is a heat exchanger that exchanges heat between the first assembled battery BP1 of the plurality of assembled batteries BP and the working fluid in the device heat exchange unit 30.
  • the first battery pack BP1 may be simply referred to as the battery pack BP.
  • the heat exchange section 30 for equipment has a cylindrical upper tank 301, a cylindrical lower tank 302, and a hollow plate-like equipment connection section 303.
  • each component of the device heat exchange unit 30 is made of, for example, a metal having high thermal conductivity such as aluminum alloy or copper alloy.
  • the upper tank 301 is provided at a position on the upper side in the vehicle vertical direction DR1 of the heat exchange section 30 for equipment.
  • the lower tank 302 is provided at a position on the lower side in the vehicle vertical direction DR1 of the device heat exchange unit 30.
  • a plurality of flow paths 303a extending in the vehicle vertical direction DR1 are formed inside the device connection portion 303, and the plurality of flow paths 303a are arranged side by side in the cell stacking direction DRs.
  • the upper end of the device connecting portion 303 is connected to the upper tank 301, and the lower end of the device connecting portion 303 is connected to the lower tank 302. That is, the plurality of flow paths 303 a of the device connection portion 303 communicate with the inside of the upper tank 301 at the upper end, and communicate with the inside of the lower tank 302 at the lower end. Therefore, in the device connection portion 303, the working fluid flows in the vehicle vertical direction DR1.
  • the device connecting portion 303 is connected to the first battery pack BP1 so as to be thermally conductive.
  • the battery bottom surface Bb of the first assembled battery BP1 is connected to both side surfaces of the device connecting portion 303 via the electrically insulating heat conductive sheet 32 respectively. While the insulation between the apparatus connection part 303 and the battery pack BP1 is ensured by the heat conduction sheet 32, the thermal resistance between the apparatus connection part 303 and the battery pack BP1 becomes small.
  • the plurality of battery cells BC constituting the first assembled battery BP1 are uniformly cooled and heated by heat exchange with the working fluid in the device heat exchange unit 30. Ru.
  • the upper tank 301 and the lower tank 302 are each formed to extend in the cell stacking direction DRs. That is, in each of the inside of the upper tank 301 and the inside of the lower tank 302, a flow path in which the working fluid flows and extends in the cell stacking direction DRs is formed.
  • the upper tank 301 has a first upper connecting portion 301 a provided at one end of the upper tank 301 and a second upper connecting portion 301 b provided at the other end of the upper tank 301.
  • the lower tank 302 has a first lower connecting portion 302 a provided at one end of the lower tank 302 and a second lower connecting portion 302 b provided at the other end of the lower tank 302.
  • Each of these connection parts 301a, 301b, 302a, 302b is a pipe connection part for allowing the working fluid to flow into the heat exchange part 30 for the device or allowing the working fluid to flow out from the heat exchange part 30 for the device.
  • the connected heat exchange unit 31 of the first thermosiphon circuit 11 is connected to the heat exchange unit 30 for equipment, and causes the working fluid flowing out from the heat exchange unit 30 for equipment to exchange heat with the working fluid.
  • the heat-exchanged working fluid is returned to the device heat exchange unit 30.
  • the fluid flows in the vehicle vertical direction DR1 in the connecting heat exchange section 31.
  • the upper end portion of the connection heat exchange portion 31 is connected to the second upper connection portion 301b of the device heat exchange portion 30 via the upper first heat transfer passage 111, and the lower end portion of the connection heat exchange portion 31 is the first lower side.
  • the heat transfer path 112 is connected to the second lower connection portion 302 b of the heat exchange section 30 for the device.
  • the second thermosiphon circuit 12 has a configuration similar to that of the first thermosiphon circuit 11, and includes a device heat exchange unit 34 and a connection heat exchange unit 35. Accordingly, the device heat exchange section 34 of the second thermosyphon circuit 12 has a configuration similar to that of the device heat exchange section 30 of the first thermosyphon circuit 11. That is, the device heat exchanger 34 of the second thermosyphon circuit 12 has an upper tank 341, a lower tank 342, and a device connector 343 configured similarly to those of the first thermosiphon circuit 11.
  • the device connection portion 343 is thermally coupled to the second battery pack BP2 of the plurality of battery packs BP via the heat conductive sheet 32. Then, the device heat exchange unit 34 exchanges heat between the second assembled battery BP2 and the working fluid in the device connection unit 343.
  • the upper tank 341 has a first upper connection portion 341a and a second upper connection portion 341b
  • the lower tank 342 has a first lower connection portion 342a and a second lower connection portion 342b.
  • the second battery pack BP2 is simply assembled. It may be called BP.
  • the cell stacking direction DRs in the second assembled battery BP2 may or may not coincide with the cell stacking direction DRs in the first assembled battery BP1.
  • connection heat exchange unit 35 of the second thermosiphon circuit 12 has a configuration similar to that of the connection heat exchange unit 31 of the first thermosiphon circuit 11. That is, the connection heat exchange unit 35 of the second thermosyphon circuit 12 is connected to the heat exchange unit 34 for the apparatus, heats the working fluid flowing out from the apparatus heat exchange unit 34, and the heat is exchanged Are returned to the heat exchange unit 34 for the device.
  • the upper end portion of the connection heat exchange portion 35 is connected to the first upper connection portion 341 a of the device heat exchange portion 34 via the upper second heat transfer passage 121, and the lower end portion of the connection heat exchange portion 35 is the lower side.
  • the second heat transfer passage 122 is connected to the first lower connection portion 342 a of the device heat exchange unit 34.
  • the first assembled battery BP1 is disposed above the second assembled battery BP2 in the vehicle vertical direction DR1. Therefore, the device heat exchange unit 30 of the first thermosyphon circuit 11 is disposed on the upper side with respect to the device heat exchange unit 34 of the second thermosyphon circuit 12. The first thermosiphon circuit 11 is also disposed on the upper side with respect to the second thermosiphon circuit 12.
  • thermosiphon circuit 11 corresponds to the uppermost thermosiphon circuit among the plurality of thermosiphon circuits 11 and 12.
  • the uppermost position thermosyphon circuit means a thermosyphon circuit having the apparatus heat exchange unit 30 positioned on the uppermost side among the plurality of apparatus heat exchange units 30 and 34 which the plurality of thermosyphon circuits 11 and 12 have. It is.
  • thermosiphon circuit 12 corresponds to the lowermost thermosiphon circuit among the plurality of thermosiphon circuits 11 and 12.
  • the lowermost position thermosiphon circuit is a thermosiphon circuit having a heat exchanger 34 for equipment located at the lowermost side among the plurality of heat exchangers 30, 34 for the plurality of thermosyphon circuits 11 and 12 It is
  • the fluid cooling unit 18 cools and condenses the working fluid of the first thermosiphon circuit 11 with the refrigerant of the refrigeration cycle apparatus 38.
  • the fluid cooling unit 18 is connected to the cooling target unit 181 that constitutes a part of the first thermosiphon circuit 11 so as to be capable of heat exchange.
  • the fluid cooling unit 18 and the cooling target unit 181 are integrated to constitute a working fluid condenser 19 which is one heat exchanger.
  • the upper end portion of the object to be cooled 181 is connected to the first upper connection portion 301 a of the heat exchange unit 30 for equipment via the upper cooling passage 113.
  • the lower end portion of the object to be cooled 181 is connected to the first lower connection portion 302 a of the heat exchange portion 30 for the device via the lower side cooling passage 114. Accordingly, the working fluid of the first thermosiphon circuit 11 flows through the object to be cooled 181.
  • the cooling target portion 181 is disposed at a position in the height direction straddling the height of the liquid surface FLa of the working fluid in the heat exchange portion 30 for the device during battery cooling and when the first thermosiphon circuit 11 is not operating. ing.
  • the working fluid in the gas phase is present in the object to be cooled 181, and the fluid cooling unit 18
  • the gas phase working fluid can be cooled and condensed.
  • the fluid cooling unit 18 constitutes, for example, a part of a refrigeration cycle apparatus 38 in which a refrigerant for air conditioning circulates.
  • the refrigeration cycle apparatus 38 includes a compressor 381, a refrigerant condenser 382, a refrigerant evaporator 383, a first expansion valve 384, a first electromagnetic on-off valve 385, a second expansion valve 386 and a second in addition to the fluid cooling unit 18.
  • a solenoid on-off valve 387 is provided.
  • the opening and closing operation of the first electromagnetic on-off valve 385 and the opening and closing operation of the second electromagnetic on-off valve 387 are controlled by, for example, a control device (not shown).
  • the refrigerant compressed and discharged by the compressor 381 flows to the refrigerant condenser 382, and is condensed by heat exchange with the outside air or the like in the refrigerant condenser 382, and the first expansion from the refrigerant condenser 382 It flows in parallel to the valve 384 and the second expansion valve 386.
  • the refrigerant flow path from the refrigerant condenser 382 to the first expansion valve 384 is opened and closed by the first electromagnetic on-off valve 385 connected in series to the first expansion valve 384.
  • the refrigerant passage from the refrigerant condenser 382 to the second expansion valve 386 is opened and closed by the second electromagnetic on-off valve 387 connected in series to the second expansion valve 386.
  • the refrigerant flowing into the first expansion valve 384 is decompressed and expanded by the first expansion valve 384, and flows from the first expansion valve 384 to the refrigerant evaporator 383 after the decompression and expansion.
  • the refrigerant evaporator 383 is included in, for example, a vehicle air conditioning unit, and cools the air and evaporates the refrigerant by heat exchange between the refrigerant and the air.
  • the refrigerant evaporated by the refrigerant evaporator 383 is sucked into the compressor 381 from the refrigerant evaporator 383.
  • the refrigerant flowing into the second expansion valve 386 is decompressed and expanded by the second expansion valve 386, and flows from the second expansion valve 386 to the fluid cooling unit 18 after the decompression and expansion. That is, like the refrigerant evaporator 383, the fluid cooling unit 18 is provided on the refrigerant low pressure side in the refrigeration cycle apparatus 38.
  • the fluid cooling unit 18 cools the working fluid and evaporates the refrigerant by heat exchange between the coolant and the working fluid in the object to be cooled 181. That is, the fluid cooling unit 18 cools the working fluid in the object to be cooled 181 by the refrigerant in the fluid cooling unit 18. The refrigerant evaporated in the fluid cooling unit 18 is sucked into the compressor 381 from the fluid cooling unit 18.
  • the fluid heating unit 20 heats and evaporates the working fluid of the second thermosyphon circuit 12. That is, the fluid heating unit 20 supplies heat to the working fluid in the liquid phase. Therefore, the fluid heating unit 20 is connected to the heating target unit 201 through which the working fluid of the second thermosiphon circuit 12 flows so as to be capable of heat exchange.
  • the fluid heating unit 20 and the heating target unit 201 are integrally configured.
  • the heating target portion 201 constitutes a part of the second thermosiphon circuit 12.
  • the second thermosyphon circuit 12 has a heating passage 123 for heating the working fluid. Then, one end of the heating passage 123 is connected to the second upper connection portion 341b of the heat exchange unit 34, and the other end of the heating passage 123 is connected to the second lower connection portion 342b.
  • the heating target portion 201 constitutes a part of the heating passage 123.
  • the entire heating target portion 201 is in the vehicle vertical direction DR1 more than the fluid level FLb of the working fluid in the device heat exchange portion 34 of the second thermosiphon circuit 12 when the battery is warmed up. It is provided to be located on the lower side. Further, the entire heating target portion 201 is also positioned lower than the liquid surface FLb of the working fluid in the heat exchanger 34 for the apparatus when the second thermosiphon circuit 12 is not operating, in the vehicle vertical direction DR1. It is provided.
  • the working fluid in the liquid phase is present in all or almost all of the heating target portion 201,
  • the fluid heating unit 20 can heat and evaporate the working fluid in the liquid phase.
  • the fluid heating unit 20 is, for example, an electric heater such as a PTC heater.
  • the fluid heating unit 20 heats the working fluid in the heating target unit 201 by the heat generated by the fluid heating unit 20.
  • the heat transfer thermosyphon circuit 14 is a heat transfer unit that transfers heat between the working fluid of the first thermosyphon circuit 11 and the working fluid of the second thermosyphon circuit 12.
  • the heat transfer thermosyphon circuit 14 is a thermosyphon circuit different from the first and second thermosyphon circuits 11 and 12 but, like the first and second thermosyphon circuits 11 and 12, it is a loop type thermosyphon It is configured.
  • the heat transfer thermosiphon circuit 14 may be abbreviated as the heat transfer circuit 14.
  • a heat transfer medium circulates through the heat transfer circuit 14.
  • the heat transfer circuit 14 is filled with the heat medium.
  • the heat medium of the heat transfer circuit 14 may be a fluid different from the working fluid of the first and second thermosiphon circuits 11 and 12, but in the present embodiment, it is the same fluid as the working fluid.
  • the heat transfer circuit 14 includes a first heat exchange unit 141, a second heat exchange unit 142, a liquid passage 143, and a gas passage 144.
  • the upper end portion of the first heat exchange portion 141 and the upper end portion of the second heat exchange portion 142 are connected to each other through the gas passage 144, and the second heat exchange portion with the lower end portion of the first heat exchange portion 141 The lower end of the portion 142 is connected to each other through the liquid passage 143.
  • the first heat exchange unit 141, the second heat exchange unit 142, the liquid passage 143, and the gas passage 144 are arranged in the order of the first heat exchange unit 141, the liquid passage 143, the second heat exchange unit 142, and the gas passage 144. It is linked in a ring.
  • the heat transfer circuit 14 transfers heat between the first heat exchange unit 141 and the second heat exchange unit 142 by circulation accompanied by a phase change of the heat medium. In short, the heat transfer circuit 14 transfers heat between the first heat exchange unit 141 and the second heat exchange unit 142 by the phase change between the liquid phase and the gas phase of the heat medium.
  • the first heat exchange unit 141 is provided above the second heat exchange unit 142 in the vehicle vertical direction DR1.
  • the heat medium filling amount of the heat transfer circuit 14 is the first heat in the vehicle vertical direction DR1 of the liquid surface FLc of the heat medium at the time of battery cooling shown in FIG. 8 and at the time of battery warm up shown in FIG. It is adjusted to be located between the exchange part 141 and the second heat exchange part 142.
  • the positional relationship between the first heat exchange unit 141, the second heat exchange unit 142, and the liquid surface FLc of the heat medium in the vehicle vertical direction DR1 is the same even when the heat transfer circuit 14 is not operating.
  • the first heat exchange unit 141 is integrally formed with the connection heat exchange unit 31 of the first thermosiphon circuit 11 and is connected to the connection heat exchange unit 31 in a heat exchangeable manner. That is, the first heat exchange unit 141 and the connection heat exchange unit 31 are integrated to constitute one first heat medium-working fluid heat exchanger 23.
  • the first heat exchange unit 141 exchanges heat with the working fluid in the connected heat exchange unit 31 of the first thermosiphon circuit 11. Specifically, the first heat exchange unit 141 exchanges heat between the working fluid in the coupled heat exchange unit 31 and the heat medium in the first heat exchange unit 141, thereby absorbing heat by the working fluid.
  • the heat medium is condensed.
  • the condensed liquid phase heat medium flows to the second heat exchange unit 142 by the action of gravity.
  • the second heat exchange unit 142 is integrally formed with the connection heat exchange unit 35 of the second thermosiphon circuit 12 and is connected to the connection heat exchange unit 35 in a heat exchangeable manner. That is, the second heat exchange portion 142 and the connection heat exchange portion 35 are integrated to constitute one second heat medium-working fluid heat exchanger 24.
  • the second heat exchange unit 142 exchanges heat with the working fluid in the connected heat exchange unit 35 of the second thermosiphon circuit 12. Specifically, the second heat exchange unit 142 exchanges heat between the working fluid in the connected heat exchange unit 35 and the heat medium in the second heat exchange unit 142, thereby dissipating heat from the working fluid. Evaporate the heat medium. The vaporized gas phase heat medium flows to the first heat exchange unit 141.
  • the heat transfer circuit 14 operates the working fluid in the connected heat exchange unit 31 of the first thermosiphon circuit 11 via the first heat exchange unit 141 and the second heat exchange unit 142. And heat exchange with the working fluid in the coupled heat exchange section 35 of the second thermosiphon circuit 12.
  • the connected heat exchange units 31 and 35 included in the plurality of thermosiphon circuits 11 and 12 have the working fluid in the connected heat exchange units 31 and 35, respectively. They are configured to exchange heat with each other.
  • the working fluid in the connected heat exchange units 31 and 35 of the plurality of thermosyphon circuits 11 and 12 is the working fluid in the connected heat exchange unit of another thermosyphon circuit And are configured to exchange heat.
  • the working fluid of a plurality of thermosiphon circuits 11 and 12 is heat exchange mutually possible.
  • the above-mentioned “another thermosiphon circuit” refers to the second thermosiphon circuit 12 for the first thermosiphon circuit 11, and the first thermosiphon circuit 11 for the second thermosiphon circuit 12. It is also about
  • Cooling of the first assembled battery BP1 and the second assembled battery BP2 is performed in a state where the fluid heating unit 20 is turned off and the fluid cooling unit 18 is operated.
  • the operation of the fluid cooling unit 18 is that the fluid cooling unit 18 cools the working fluid.
  • the operation of the fluid cooling unit 18 operates the compressor 381 of the refrigeration cycle apparatus 38 of FIG. 11 and opens the second electromagnetic on-off valve 387 to fluid-cool the low-temperature low-pressure refrigerant It is to flow to the part 18.
  • OFF of the fluid heating unit 20 means that the fluid heating unit 20 does not generate heat.
  • the working fluid is condensed in the cooling object unit 181 in the first thermosyphon circuit 11, and the condensed working fluid in the liquid phase is the lower cooling passage by gravity. Move 114 downward. Then, the working fluid in the liquid phase is supplied from the lower cooling passage 114 to the lower tank 302 of the device heat exchange unit 30.
  • the supplied working fluid in the liquid phase is split from the lower tank 302 into a plurality of channels 303a (see FIG. 10) of the device connection portion 303, and moves upward in the respective channels 303a while the high temperature It is evaporated and vaporized by heat exchange with the battery pack BP1. In this process, the first assembled battery BP1 is cooled. Thereafter, the evaporated gas phase working fluid merges in the upper tank 301 and returns to the object to be cooled 181 through the upper cooling passage 113.
  • the working fluid in the liquid phase supplied to the lower tank 302 is also supplied to the connection heat exchange section 31 via the lower first heat transfer passage 112, and the operation in the connection heat exchange section 31 is performed.
  • the fluid cools the heat medium in the first heat exchange unit 141 of the heat transfer circuit 14. Thereby, the heat medium condenses.
  • the heat medium in the liquid phase condensed in the first heat exchange unit 141 moves downward through the liquid passage 143 and flows to the second heat exchange unit 142.
  • the heat medium in the second heat exchange unit 142 exchanges heat with the working fluid in the connected heat exchange unit 35 of the second thermosiphon circuit 12 to evaporate and cool the working fluid.
  • the evaporated heat medium moves upward in the gas passage 144 and flows to the first heat exchange unit 141.
  • the working fluid in the liquid phase condensed in the coupled heat exchange unit 35 moves downward in the lower second heat transfer passage 122 by gravity. Then, the working fluid in the liquid phase is supplied from the lower second heat transfer passage 122 to the lower tank 342 of the heat exchanger 34 for the apparatus.
  • the supplied working fluid in the liquid phase is divided from the lower tank 342 into a plurality of flow paths of the device connection portion 343 and exchanges heat with the high-temperature second assembled battery BP2 while moving upward in each flow path To evaporate and evaporate.
  • the second assembled battery BP2 is cooled.
  • the evaporated gas phase working fluid merges in the upper tank 341 and returns to the connected heat exchange unit 35 through the upper second heat transfer passage 121.
  • the working fluid in the liquid phase is also supplied to the heating passage 123, but since the fluid heating unit 20 is turned off, it is not vaporized, and almost no flow of the working fluid occurs in the heating passage 123 .
  • Warm-up of the first assembled battery BP1 and the second assembled battery BP2 is performed in a start state (that is, ON) in which the fluid heating unit 20 generates heat and in a state in which the fluid cooling unit 18 is inactivated.
  • the non-operation of the fluid cooling unit 18 is to stop the flow of the refrigerant in the fluid cooling unit 18.
  • the non-operation of the fluid cooling unit 18 means stopping the compressor 381 of the refrigeration cycle apparatus 38 of FIG. 11 or closing the second electromagnetic on-off valve 387 to the fluid cooling unit 18. It is to stop the flow of the refrigerant.
  • the working fluid is evaporated at the heating target unit 201 in the second thermosyphon circuit 12, and the vaporized gas phase working fluid is directed upward to the heating passage 123. Moving. Then, the working fluid in the gas phase is supplied from the heating passage 123 to the upper tank 341 of the heat exchange section 34 for the device.
  • the supplied gas phase working fluid is divided from the upper tank 341 into a plurality of flow paths in the device connection portion 343 and moves downward in the respective flow paths, while the low temperature second assembled battery BP2 and Condensate and condense by heat exchange.
  • the second assembled battery BP2 is warmed up (ie, heated).
  • the condensed working fluid in the liquid phase merges in the lower tank 342, and returns to the heating target portion 201 from the second lower connection portion 342b.
  • the working fluid in the gas phase supplied to the upper tank 341 is also supplied to the connecting heat exchange unit 35 via the upper second heat transfer passage 121, and the working fluid in the connected heat exchange unit 35
  • the heat medium in the second heat exchange portion 142 of the heat transfer circuit 14 is heated. Thereby, the heat medium evaporates.
  • the heat medium in the vapor phase evaporated in the second heat exchange unit 142 moves upward in the gas passage 144 and flows to the first heat exchange unit 141.
  • the heat medium in the first heat exchange unit 141 exchanges heat with the working fluid in the connected heat exchange unit 31 of the first thermosiphon circuit 11 to condense and heat the working fluid.
  • the condensed heat medium moves downward through the liquid passage 143 and flows to the second heat exchange unit 142.
  • the working fluid in the vapor phase evaporated in the coupled heat exchange section 31 moves upward in the upper first heat transfer passage 111. Then, the working fluid in the vapor phase is supplied from the upper first heat transfer passage 111 to the upper tank 301 of the heat exchange section 30 for the device.
  • the supplied gas-phase working fluid is split from the upper tank 301 into a plurality of channels 303a (see FIG. 10) of the device connection portion 303, and moves downward in the respective channels 303a while the temperature is low. It is condensed and liquefied by heat exchange with the first assembled battery BP1. In this process, the first assembled battery BP1 is warmed up (ie, heated). Thereafter, the condensed working fluid in the liquid phase merges in the lower tank 302 and returns to the connected heat exchange unit 31 through the lower first heat transfer passage 112.
  • the working fluid in the vapor phase is also supplied to the upper cooling passage 113, but since the fluid cooling unit 18 is not operated, it is not liquefied, and the upper cooling passage 113, the cooling object portion 181, In the lower cooling passage 114, almost no flow of working fluid occurs.
  • the working fluid circulates independently between the first thermosiphon circuit 11 and the second thermosiphon circuit 12. Accordingly, the working fluid does not flow across the device heat exchange sections 30, 34 of the plurality of thermosiphon circuits 11, 12. Therefore, it is possible to prevent the working fluid in the liquid phase from being biased to the device heat exchange unit 34 positioned on the lower side among the device heat exchange units 30 and 34.
  • the fluid cooling unit 18 cools the working fluid in the object to be cooled 181, and the object to be cooled 181 is a first thermosyphon circuit corresponding to the uppermost thermosyphon circuit among the plurality of thermosyphon circuits 11 and 12. It constitutes a part of 11. At the same time, the working fluid of the first thermosiphon circuit 11 and the working fluid of the second thermosiphon circuit 12 are capable of exchanging heat with each other.
  • thermosyphon circuit 11 can be cooled by the fluid cooling unit 18, and the working fluid of the second thermosyphon circuit 12 can also be cooled via the working fluid of the first thermosyphon circuit 11. From these things, it is possible to cool a plurality of battery packs BP1 and BP2 appropriately.
  • the filling amount of the working fluid for forming the optimum liquid level in the device heat exchange unit 30, 34 differs between cooling and warming-up of the battery packs BP1, BP2.
  • the device temperature control apparatus 1 of the present embodiment has the thermosiphon circuits 11 and 12 in which the circulation of the working fluid is independent of each other for each of the assembled batteries BP1 and BP2. Therefore, it is easy to absorb the difference between the filling amount of the working fluid suitable for cooling the battery pack BP1, BP2 and the filling amount of the working fluid suitable for warming up the battery pack BP1, BP2.
  • the fluid heating unit 20 heats the working fluid in the heating target unit 201.
  • the heating target portion 201 constitutes a part of the second thermosyphon circuit 12 corresponding to the lowermost position thermosyphon circuit among the plurality of thermosyphon circuits 11 and 12. Therefore, the working fluid of the second thermosyphon circuit 12 can be heated by the fluid heating unit 20, and the working fluid of the first thermosyphon circuit 11 can also be heated via the working fluid of the second thermosyphon circuit 12. From these things, it is possible to warm up a plurality of battery packs BP1 and BP2 appropriately.
  • the device temperature control device 75 of the comparative example shown in FIG. It demonstrates using.
  • the device temperature control apparatus 75 of this comparative example has a circuit 14 for heat transfer and coupled heat exchange parts 31 and 35 as compared with the device temperature control apparatus 1 of this embodiment.
  • the second upper connection portion 301b and the first upper connection portion 341a are connected to each other, and the second lower connection portion 302b and the first lower connection portion 342a are connected to each other.
  • the device temperature adjusting device 75 of the comparative example is the same as the device temperature adjusting device 1 of the present embodiment.
  • the working fluid in the liquid phase is transmitted from the second lower connection portion 302 b of the first thermosiphon circuit 11 to the first lower connection portion of the second thermosiphon circuit 12. It is possible to flow to 342a. That is, the working fluid in the liquid phase flows from the device heat exchanger 30 of the first thermosyphon circuit 11 to the device heat exchanger 34 of the second thermosyphon circuit 12 by the action of gravity. As a result, the working fluid in the liquid phase is biased to the second thermosyphon circuit 12 corresponding to the lowermost position thermosyphon circuit.
  • the working fluid in the liquid phase is accumulated in the device heat exchange portion 34 of the lower second thermosiphon circuit 12 due to the action of gravity.
  • the working fluid in the liquid phase runs short or does not exist in the device heat exchange unit 30 of the upper first thermosiphon circuit 11, and the cooling capacity of the device heat exchange unit 30 for the first assembled battery BP1 is insufficient Alternatively, uncooling can occur.
  • the liquid levels FLa and FLb may be present around the center of the heat exchange units 30 and 34 in the vehicle vertical direction DR1. desirable.
  • the apparatus temperature control device 75 of this comparative example it is difficult to secure the desired optimum liquid level position due to the deviation of the working fluid in the liquid phase.
  • thermosiphon circuits 11 and 12 in which the working fluid circulates independently of each other are provided for each of the battery packs BP1 and BP2.
  • the heat transfer circuits 14 between the thermosyphon circuits 11 and 12 transfer the heat of the working fluid to each other. Therefore, securing of the optimal liquid level position becomes easy in each of the heat exchanging units 30, 34 of the thermosiphon circuits 11, 12 of those thermosiphon circuits. And it is possible to perform cooling and warming-up of battery pack BP1 and BP2 without bias with respect to each battery pack BP1 and BP2.
  • the heat transfer circuit 14 as the heat transfer unit has the first heat exchange unit 141 that exchanges heat with the working fluid in the connection heat exchange unit 31 of the first thermosiphon circuit 11. ing.
  • the heat transfer circuit 14 has a second heat exchange portion 142 which exchanges heat with the working fluid in the connected heat exchange portion 35 of the second thermosiphon circuit 12. Then, the heat transfer circuit 14 receives the working fluid in the coupled heat exchange unit 31 of the first thermosiphon circuit 11 and the second thermosyphon circuit via the first heat exchange unit 141 and the second heat exchange unit 142. Heat is exchanged with the working fluid in the 12 coupled heat exchange sections 35.
  • the heat transfer circuit 14 can be provided with a structure that causes the working fluid in the coupled heat exchange sections 31 and 35 of the first and second thermosiphon circuits 11 and 12 to exchange heat with each other.
  • the device temperature control device 1 includes the thermosiphon circuits 11 and 12 independent for each of the battery packs BP1 and BP2, and the thermosiphon circuits 11 and 12 are connected by the heat transfer circuit 14 It has a simple structure. Therefore, each of the first and second thermosiphon circuits 11 and 12 can be simply configured. Then, for example, modularization of the battery packs BP1 and BP2 is facilitated, and standardization and commonization of the design of the battery packs BP1 and BP2 can be achieved.
  • the heat transfer circuit 14 transfers heat between the first heat exchange unit 141 and the second heat exchange unit 142 by phase change between the liquid phase of the heat medium and the gas phase. Therefore, it is possible to transfer heat between the first heat exchange unit 141 and the second heat exchange unit 142 using the latent heat of the heat medium.
  • the heat transfer circuit 14 is a thermosiphon circuit different from the first and second thermosiphon circuits 11 and 12 and is a thermosiphon circuit in which a heat medium circulates.
  • the heat transfer circuit 14 includes the first heat exchange unit 141 and the second heat exchange unit 142, and circulation of the heat medium accompanied by a phase change of the heat medium causes the heat transfer circuit 14 to communicate with the first heat exchange unit 141 and the second heat exchange unit 142. It conveys heat between them.
  • the first heat exchange unit 141 performs heat exchange between the heat medium in the first heat exchange unit 141 and the working fluid in the connection heat exchange unit 31 of the first thermosiphon circuit 11 by heat exchange. Condensate.
  • the second heat exchange unit 142 evaporates the heat medium by heat exchange between the heat medium in the second heat exchange unit 142 and the working fluid in the coupled heat exchange unit 35 of the second thermosiphon circuit 12. .
  • the first heat exchange unit 141 of the heat transfer circuit 14, the connected heat exchange unit 31 of the first thermosiphon circuit 11, and the fluid cooling unit 18 together, they constitute one integrated heat exchanger 25. Further, the fluid heating unit 20 is integrated with the second heat medium-working fluid heat exchanger 24.
  • the present embodiment differs from the first embodiment in these points.
  • coolant of the refrigerating-cycle apparatus 38 is supplied to the fluid cooling part 18 of this embodiment similarly to 1st Embodiment.
  • the positional relationship in the vehicle vertical direction DR1 of the device heat exchange unit 30 and the connection heat exchange unit 31 with respect to the liquid surface FLa in the first thermosiphon circuit 11 is the same as that in the first embodiment.
  • the positional relationship in the vehicle vertical direction DR1 of the device heat exchange unit 34 and the connection heat exchange unit 35 with respect to the liquid surface FLb in the second thermosiphon circuit 12 is also the same as that in the first embodiment.
  • the integrated heat exchanger 25 of the present embodiment includes the heat medium in the first heat exchange unit 141 and the working fluid in the coupled heat exchange unit 31.
  • the refrigerant in the fluid cooling unit 18 is configured to exchange heat with each other. Accordingly, the fluid cooling unit 18 cools the working fluid in the coupled heat exchange unit 31. That is, in the first thermosiphon circuit 11, the connection heat exchange unit 31 also has a function as a cooling target unit 181 through which the working fluid cooled by the fluid cooling unit 18 flows.
  • the fluid cooling unit 18 is provided on the top of the coupled heat exchange unit 31.
  • the ratio of the working fluid of the gas phase to the working fluid of the gas phase and the liquid phase is higher toward the upper side, and the arrangement of the fluid cooling unit 18 makes the fluid cooling unit 18 efficiently condense the working fluid. Because you can do it.
  • the second heat medium-working fluid heat exchanger 24 includes the heat medium in the second heat exchange section 142 and the working fluid in the coupled heat exchange section 35 of the second thermosiphon circuit 12. And are configured to exchange heat with each other. This is similar to the first embodiment.
  • the fluid heating unit 20 is integrally configured with the second heat medium-working fluid heat exchanger 24, as shown by arrows AH2 and AH3 in FIG. It is provided to heat both the heat medium and the working fluid in the coupling heat exchange unit 35. That is, in the second thermosyphon circuit 12, the connection heat exchange unit 35 also has a function as a heating target unit 201 through which the working fluid heated by the fluid heating unit 20 flows.
  • the fluid heating unit 20 is provided below the second heat exchange unit 142 and the connection heat exchange unit 35 that constitute the second heat medium-working fluid heat exchanger 24.
  • the ratio of the working fluid of the liquid phase among the working fluids of the gas phase and the liquid phase is higher toward the lower side, and the arrangement of the fluid heating unit 20 efficiently evaporates the working fluid by the fluid heating unit 20 It is because you can do it.
  • the present embodiment is the same as the first embodiment except for the above description. And in this embodiment, the effect show
  • the first heat exchange unit 141 of the heat transfer circuit 14, the connection heat exchange unit 31 of the first thermosiphon circuit 11, and the fluid cooling unit 18 are integrated to form one integrated heat.
  • the switch 25 is configured.
  • the fluid heating unit 20 is integrated with the second heat medium-working fluid heat exchanger 24. Therefore, the function of cooling and heating the working fluid of the first and second thermosiphon circuits 11 and 12 can be realized with a simple configuration.
  • the device temperature adjusting device 1 of the present embodiment cools the working fluid of the first thermosyphon circuit 11 in addition to the first fluid cooling portion 18 which is the same as the fluid cooling portion 18 of the second embodiment.
  • the second fluid cooling unit 26 is provided.
  • the device temperature control device 1 further includes a blower 27 for blowing air to the second fluid cooling unit 26.
  • the present embodiment is different from the second embodiment in these points.
  • the second fluid cooling unit 26 of the present embodiment is an air-cooled condenser that exchanges heat between the air blown by the blower 27 and the working fluid of the first thermosiphon circuit 11.
  • the second fluid cooling unit 26 has a working fluid circulation unit 261 as a target to be cooled that constitutes a part of the first thermosiphon circuit 11.
  • the working fluid communication unit 261 is constituted of, for example, a plurality of tubes which extend in the vehicle vertical direction DR1 and through which the working fluid flows. Further, the second fluid cooling unit 26 is positioned above the fluid level FLa of the working fluid in the apparatus heat exchange unit 30 during battery cooling and when the first thermosiphon circuit 11 is not operating, in the vehicle vertical direction DR1. It is provided as.
  • the upper end portion of the working fluid circulation unit 261 in the first thermosyphon circuit 11 is connected to the first upper connection unit 301 a of the heat exchange unit 30 for the device via the upper cooling passage 113.
  • the lower end portion of the working fluid circulation portion 261 is connected to the first lower connection portion 302 a of the heat exchange portion 30 for the device via the lower cooling passage 114.
  • the working fluid is circulated in the working fluid circulation unit 261.
  • the second fluid cooling unit 26 exchanges heat between the working fluid flowing in the working fluid circulation unit 261 and the air blown by the blower 27, thereby cooling the working fluid in the working fluid circulation unit 261. Do. Therefore, the working fluid in the gas phase flowing into the working fluid circulation unit 261 from the upper cooling passage 113 is cooled and condensed, and the condensed working fluid in the liquid phase is drawn from within the working fluid circulation unit 261 by the action of gravity. It flows to the lower cooling passage 114. When the cooling of the working fluid by the second fluid cooling unit 26 is stopped, the air blowing by the blower 27 may be stopped.
  • the present embodiment is the same as the second embodiment except for the above description. And in this embodiment, the effect show
  • the device temperature control device 1 is provided with a plurality of fluid cooling units 18 and 26 for cooling the working fluid of the first thermosiphon circuit 11, the battery assembly BP1, It is possible to enhance the ability to cool BP2.
  • the heat transfer circuit 14 includes a heat medium pump 145.
  • the present embodiment is different from the first embodiment in this point. Note that, in FIG. 17, illustration of the fluid levels FLa and FLb of the working fluid and the fluid level FLc of the heat medium is omitted. The omission of the illustration is the same as in a schematic view showing a schematic configuration of the device temperature control device 1 in the embodiment described later.
  • the heat medium pump 145 of the present embodiment is, for example, a liquid pump for flowing a liquid, and forces the heat medium to circulate through the heat transfer circuit 14. Therefore, the heat medium pump 145 is provided in part of the liquid passage 143. Specifically, the heat medium pump 145 is disposed at the lowermost position of the heat transfer circuit 14, that is, at the lowest position of the liquid passage 143 in order to ensure the heat medium to flow. It is arranged. It is because the heat medium of a liquid phase distributes to the place. Then, the heat medium pump 145 sucks the heat medium from the first heat exchange unit 141 side in the liquid passage 143 and discharges the sucked heat medium to the second heat exchange unit 142 side.
  • the second heat exchange unit 142 Heat can be reliably transmitted to the first heat exchange unit 141.
  • a rising passage for raising and flowing the working fluid is included in a part of the liquid passage 143, and it does not hold as a thermosyphon operated by the weight of the heat medium.
  • Such a flow path is included in the heat transfer circuit 14.
  • the flow rate of the heat medium circulating to the heat transfer circuit 14 can be increased as compared with the case where the heat medium pump 145 is not provided.
  • the present embodiment is the same as the first embodiment except for the above description. And in this embodiment, the effect show
  • this embodiment is a modification based on the first embodiment, it is also possible to combine this embodiment with the above-described second embodiment or third embodiment.
  • the device temperature control apparatus 1 of the present embodiment includes a liquid circuit 40 in place of the heat transfer circuit 14 of the first embodiment.
  • the present embodiment is different from the first embodiment in this point.
  • the fluid circuit 40 of the present embodiment is a heat transfer portion for transferring heat between the working fluid of the first thermosiphon circuit 11 and the working fluid of the second thermosiphon circuit 12.
  • the liquid circuit 40 is the same as the heat transfer circuit 14 of the first embodiment.
  • the inside of the fluid circuit 40 is filled with the heat exchange fluid. And the heat exchange liquid does not change phase in the liquid phase.
  • the liquid circuit 40 of the present embodiment includes a liquid pump 401, a first heat exchange liquid passage 402, a second heat exchange liquid passage 403, a first heat exchange unit 141, and a second heat exchange unit 142. ing.
  • the first heat exchange fluid passage 402, the first heat exchange unit 141, the second heat exchange fluid passage 403, and the second heat exchange unit 142 are annularly connected in the order of description.
  • first heat exchange unit 141 and the connection heat exchange unit 31 are integrated to constitute one first liquid-working fluid heat exchanger 41. Further, the second heat exchange unit 142 and the connection heat exchange unit 35 are integrated to constitute one second liquid-working fluid heat exchanger 42.
  • the liquid pump 401 of the liquid circuit 40 is provided in the first heat exchange fluid passage 402, and sends the heat exchange fluid from the second heat exchange portion 142 side to the first heat exchange portion 141 in the first heat exchange fluid passage 402. .
  • the first heat exchange unit 141 exchanges heat with the working fluid in the connected heat exchange unit 31 of the first thermosiphon circuit 11, and the second heat exchange unit 142 performs the second thermosiphon Heat is exchanged with the working fluid in the coupled heat exchange section 35 of the circuit 12.
  • the first heat exchange unit 141 exchanges heat between the working fluid in the connection heat exchange unit 31 of the first thermosiphon circuit 11 and the heat exchange fluid in the first heat exchange unit 141.
  • the second heat exchange unit 142 exchanges heat between the working fluid in the connection heat exchange unit 35 of the second thermosiphon circuit 12 and the heat exchange fluid in the second heat exchange unit 142.
  • the fluid circuit 40 transfers heat between the first heat exchange unit 141 and the second heat exchange unit 142 by circulating the heat exchange fluid.
  • the fluid circuit 40 connects the working fluid in the connection heat exchange unit 31 of the first thermosiphon circuit 11 and the second thermosiphon circuit 12 via the first heat exchange unit 141 and the second heat exchange unit 142.
  • the heat exchange is performed with the working fluid in the heat exchange unit 35.
  • the present embodiment is the same as the first embodiment except for the above description. And in this embodiment, the effect show
  • the heat exchange liquid in the liquid circuit 40, the heat exchange liquid is forcibly circulated by the liquid pump 401. Therefore, even if the flow path of the heat exchange fluid in the fluid circuit 40 becomes complicated, it is possible to reliably transfer the heat from the second heat exchange section 142 to the first heat exchange section 141.
  • the case where the flow passage of the heat exchange liquid is complicated is the same as the case where the flow passage of the heat medium described in the fourth embodiment described above is complicated.
  • the liquid circuit 40 as the heat transfer portion transfers heat between the first heat exchange portion 141 and the second heat exchange portion 142 by circulating the heat exchange liquid. Therefore, there is an advantage that the liquid circuit 40 is not required to have an airtightness capable of sealing a gas.
  • this embodiment is a modification based on the first embodiment, it is also possible to combine this embodiment with the above-described second embodiment or third embodiment.
  • the device temperature control apparatus 1 of the present embodiment includes a heat pipe 44 in which a heat medium is sealed, instead of the heat transfer circuit 14 of the first embodiment.
  • the present embodiment is different from the first embodiment in this point.
  • the heat medium of the heat pipe 44 is the same fluid as the heat medium of the heat transfer circuit 14 of the first embodiment, the heat medium is not limited thereto, and any fluid may be used as long as it has a phase change such as water.
  • the heat pipe 44 is formed to extend in the vehicle vertical direction DR1. Although one heat pipe 44 may be provided, in the present embodiment, a plurality of heat pipes 44 are provided, and the plurality of heat pipes 44 are integrally formed as one bundle.
  • the heat pipe 44 of the present embodiment is a heat transfer portion that transfers heat between the working fluid of the first thermosiphon circuit 11 and the working fluid of the second thermosiphon circuit 12.
  • the upper ends of the plurality of heat pipes 44 are integrated, and the heat pipes 44 have the upper ends as a first heat exchange section 141. Further, the lower ends of the plurality of heat pipes 44 are also integrated, and the heat pipes 44 have the lower ends as a second heat exchange section 142.
  • the first heat exchange unit 141 of the heat pipe 44 is integrally configured to perform heat exchange with the connection heat exchange unit 31 of the first thermosiphon circuit 11. Therefore, the first heat exchange unit 141 exchanges heat with the working fluid in the connected heat exchange unit 31.
  • the second heat exchange unit 142 is integrally configured to perform heat exchange with the connection heat exchange unit 35 of the second thermosiphon circuit 12. Therefore, the second heat exchange unit 142 exchanges heat with the working fluid in the coupled heat exchange unit 35.
  • the heat pipe 44 transfers the heat between the first heat exchange unit 141 and the second heat exchange unit 142 by the movement accompanied by the phase change of the heat medium.
  • the first heat exchange unit 141 performs heat exchange between the heat medium in the first heat exchange unit 141 and the working fluid in the connection heat exchange unit 31 of the first thermosiphon circuit 11 so that the heat medium To condense.
  • the condensed working fluid in the liquid phase flows down from the first heat exchange section 141 to the second heat exchange section 142 in the heat pipe 44.
  • the second heat exchange unit 142 evaporates the heat medium by heat exchange between the heat medium in the second heat exchange unit 142 and the working fluid in the connected heat exchange unit 35 of the second thermosiphon circuit 12. Let The vaporized gas phase working fluid ascends from the second heat exchange section 142 to the first heat exchange section 141 in the heat pipe 44.
  • the heat pipe 44 reciprocates the heat medium between the first heat exchange unit 141 and the second heat exchange unit 142, whereby the first heat exchange unit 141 and the second heat exchange unit 142 Transfer heat between.
  • the heat pipe 44 connects the working fluid in the connection heat exchange unit 31 of the first thermosiphon circuit 11 and the second thermosiphon circuit 12 via the first heat exchange unit 141 and the second heat exchange unit 142.
  • the heat exchange is performed with the working fluid in the heat exchange unit 35.
  • the present embodiment is the same as the first embodiment except for the above description. And in this embodiment, the effect show
  • the heat pipe 44 is provided as a heat transfer portion for transferring heat between the working fluid of the first thermosiphon circuit 11 and the working fluid of the second thermosiphon circuit 12.
  • the heat pipe 44 includes the first heat exchange part 141 and the second heat exchange part 142, and by the movement accompanied by the phase change of the heat medium, between the first heat exchange part 141 and the second heat exchange part 142. To convey the heat. Therefore, it is possible to transfer heat between the first heat exchange unit and the second heat exchange unit using the latent heat of the heat medium.
  • this embodiment is a modification based on the first embodiment, it is also possible to combine this embodiment with the above-described second embodiment or third embodiment.
  • the device temperature control apparatus 1 of the present embodiment includes a heat transfer material 46 having thermal conductivity, in place of the heat transfer circuit 14 of the first embodiment.
  • the present embodiment is different from the first embodiment in this point.
  • the shape of the connection heat exchange part 31 of the 1st thermosiphon circuit 11 and the shape of the connection heat exchange part 35 of the 2nd thermosiphon circuit 12 also differ from 1st Embodiment, respectively.
  • the heat transfer material 46 includes a plate-like heat transfer plate 461 extending in the vehicle vertical direction DR1, a first heat exchange unit 141, and a second heat exchange unit 142. All of the constituent members of the heat transfer material 46, that is, the heat transfer plate 461, the first heat exchange portion 141, and the second heat exchange portion 142 are made of a material having high thermal conductivity such as an aluminum alloy.
  • the material of the heat transfer material 46 is not limited to a metal material such as an aluminum alloy, and any material that easily transmits heat may be used.
  • the heat transfer material 46 of the present embodiment is a heat transfer portion that transfers heat between the working fluid of the first thermosiphon circuit 11 and the working fluid of the second thermosiphon circuit 12.
  • the first heat exchange portion 141 is integrally joined to the upper end portion of the heat transfer plate 461
  • the second heat exchange portion 142 is integrally joined to the lower end portion of the heat transfer plate 461.
  • the heat transfer material 46 has high thermal conductivity between the first heat exchange unit 141 and the second heat exchange unit 142.
  • connection heat exchange unit 31 of the first thermosiphon circuit 11 of the present embodiment is configured as a passage having an upper end connected to the upper first heat transfer passage 111 and a lower end connected to the lower first heat transfer passage 112. It is done. Therefore, the upper first heat transfer passage 111, the connection heat exchange portion 31, and the lower first heat transfer passage 112 are connected in series in the order described, and are one passage through which the working fluid flows.
  • the first heat exchange portion 141 of the heat transfer material 46 is joined to the connection heat exchange portion 31. Therefore, the first heat exchange unit 141 exchanges heat with the working fluid in the connected heat exchange unit 31.
  • connection heat exchange portion 35 of the second thermosiphon circuit 12 of the present embodiment is configured as a passage having an upper end connected to the upper second heat transfer passage 121 and a lower end connected to the lower second heat transfer passage 122. It is done. Accordingly, the upper second heat transfer passage 121, the connection heat exchange portion 35, and the lower second heat transfer passage 122 are serially connected in the order described, and are one passage through which the working fluid flows. Further, the second heat exchange portion 142 of the heat transfer material 46 is joined to the connection heat exchange portion 35. Therefore, the second heat exchange unit 142 exchanges heat with the working fluid in the coupled heat exchange unit 35.
  • the heat transfer material 46 transfers heat between the first heat exchange unit 141 and the second heat exchange unit 142 by the heat conduction of the heat transfer material 46. That is, the heat transfer material 46 includes the working fluid in the connecting heat exchange unit 31 of the first thermosiphon circuit 11 and the second thermosiphon circuit 12 through the first heat exchange unit 141 and the second heat exchange unit 142. Heat exchange is performed with the working fluid in the coupled heat exchange unit 35.
  • the present embodiment is the same as the first embodiment except for the above description. And in this embodiment, the effect show
  • the heat transfer material 46 is provided as a heat transfer portion for transferring heat between the working fluid of the first thermosiphon circuit 11 and the working fluid of the second thermosiphon circuit 12. . Then, the heat transfer material 46 transfers heat between the first heat exchange unit 141 and the second heat exchange unit 142 by heat conduction of the heat transfer material 46. Therefore, heat can be exchanged between the working fluid in the connection heat exchange unit 31 of the first thermosiphon circuit 11 and the working fluid in the connection heat exchange unit 35 of the second thermosiphon circuit 12 with a simple structure. . In addition, there is no concern that a fluid such as a heat exchange fluid or a heat medium may leak.
  • this embodiment is a modification based on the first embodiment, it is also possible to combine this embodiment with the above-described second embodiment or third embodiment.
  • thermosiphon circuit 11 has a first working fluid pump 47
  • second thermosiphon circuit 12 has a second working fluid pump 48.
  • the present embodiment is different from the first embodiment in this point.
  • the first working fluid pump 47 and the second working fluid pump 48 of the present embodiment are, for example, liquid pumps for flowing a liquid.
  • the first working fluid pump 47 forcibly circulates the working fluid to the first thermosiphon circuit 11. Therefore, the first working fluid pump 47 is provided in part of the lower cooling passage 114. Specifically, the first working fluid pump 47 is disposed at the lowest position of the lower cooling passage 114 in order to ensure the working fluid flow. It is because the working fluid in the liquid phase flows in the place. Then, the first working fluid pump 47 sucks the working fluid from the side to be cooled 181 in the lower cooling passage 114, and at the same time the first lower connection part 302a side of the heat exchange part 30 for equipment. To discharge.
  • the second working fluid pump 48 forcibly circulates the working fluid to the second thermosiphon circuit 12. Therefore, the second working fluid pump 48 is provided in a part of the lower second heat transfer passage 122. Specifically, the second working fluid pump 48 is disposed at the lowermost position of the lower second heat transfer passage 122 in order to ensure the working fluid flow. Then, in the lower second heat transfer passage 122, the second working fluid pump 48 sucks in the working fluid from the side of the connecting heat exchange section 35, and the first lower connection of the heat exchange section 34 for equipment It discharges to the part 342a side.
  • thermosiphon circuits 11 and 12 the working fluid is forcibly circulated by the working fluid pumps 47 and 48, respectively. Therefore, even if the flow path of the working fluid in the first and second thermosiphon circuits 11 and 12 is complicated so as to prevent natural circulation of the working fluid, the working fluid and the assembled battery BP1 in the heat exchangers 30 and 34 for each device And heat exchange with BP2.
  • thermosiphon circuits 11 and 12 it is possible to increase the flow rate of the working fluid circulating to each of the first and second thermosiphon circuits 11 and 12 as compared with the case where the working fluid pumps 47 and 48 are not provided.
  • the present embodiment is the same as the first embodiment except for the above description. And in this embodiment, the effect show
  • the ninth embodiment Next, a ninth embodiment will be described. In the present embodiment, differences from the above-described third embodiment will be mainly described.
  • the device temperature control apparatus 1 of the present embodiment includes the fluid cooling units 18 and 26, it does not include the fluid heating unit 20. Therefore, although the device temperature control apparatus 1 has the function of cooling the battery packs BP1 and BP2, it does not have the function of warming up the battery packs BP1 and BP2. Further, the device temperature control apparatus 1 of the present embodiment does not include the heat transfer circuit 14. The present embodiment is different from the third embodiment in these points. In addition, the broken line arrow of FIG. 22 has shown the flow direction of the working fluid.
  • the device temperature control apparatus 1 of the present embodiment does not include the heat transfer circuit 14 of FIG. Therefore, as shown in FIG. 22, in the device temperature control apparatus 1 of the present embodiment, the connection heat exchange unit 35 of the second thermosiphon circuit 12 and the connection heat exchange unit 31 of the first thermosiphon circuit 11 and the fluid cooling unit 18 And one constitute an integrated heat exchanger 50. Therefore, the integrated heat exchanger 50 includes the working fluid in the connection heat exchange unit 31 of the first thermosiphon circuit 11 and the working fluid in the connection heat exchange unit 35 of the second thermosiphon circuit 12 and the fluid cooling unit 18. The refrigerants are configured to exchange heat with each other. In short, the integrated heat exchanger 50 of the present embodiment has the same structure as the integrated heat exchanger 25 of FIG.
  • the entire integrated heat exchanger 50 is disposed above the lower tank 302 of the device heat exchange unit 30 of the first thermosiphon circuit 11.
  • the entire integrated heat exchanger 50 is located above the device heat exchange unit 34 of the second thermosyphon circuit 12, specifically, when the battery is cooled and when the second thermosyphon circuit 12 is not operating. It is disposed above the fluid level FLb of the working fluid in the exchange section 34.
  • the present embodiment is the same as the third embodiment except for the points described above. And in this embodiment, the effect show
  • this embodiment is a modification based on the third embodiment, it is also possible to combine this embodiment with the first embodiment or the second embodiment described above.
  • the device temperature control apparatus 1 of the present embodiment includes a third thermosiphon circuit 52 in addition to the first and second thermosiphon circuits 11 and 12.
  • the device temperature adjustment device 1 of the present embodiment also includes a second heat transfer thermosiphon circuit 53.
  • the device temperature control apparatus 1 includes three thermosyphon circuits 11, 12, and 52. In the device temperature control apparatus 1, the working fluids of the three thermosyphon circuits 11, 12, and 52 can exchange heat with each other. There is. The present embodiment is different from the second embodiment in these points.
  • the first heat transfer thermosiphon circuit 14 is abbreviated and referred to as the first heat transfer circuit 14 and the second heat transfer thermosiphon circuit 53 is abbreviated and the second heat transfer circuit 53 and the second heat transfer circuit 53 are omitted. It may be called.
  • the third thermosiphon circuit 52 is a thermosiphon circuit for cooling and warming up a third assembled battery BP3 different from the first assembled battery BP1 and the second assembled battery BP2.
  • the second assembled battery BP2 is disposed below the first assembled battery BP1 and the third assembled battery BP3 is disposed below the second assembled battery BP2 in the vehicle vertical direction DR1.
  • thermosiphon circuit 52 does not have the below-mentioned 2nd connection heat exchange part 352, it has the same structure as the 2nd thermosiphon circuit 12 except this point. Therefore, the third thermosiphon circuit 52 includes the device heat exchange unit 54 and the connection heat exchange unit 55.
  • the device heat exchanger 54 of the third thermosiphon circuit 52 has the same structure as the device heat exchanger 34 of the second thermosiphon circuit 12.
  • the connection heat exchange unit 55 of the third thermosiphon circuit 52 has the same structure as the connection heat exchange unit 35 which is the first connection heat exchange unit of the second thermosiphon circuit 12.
  • the device heat exchanger 34 of the second thermosiphon circuit 12 is disposed below the device heat exchanger 30 of the first thermosiphon circuit 11.
  • the device heat exchanger 54 of the third thermosiphon circuit 52 is disposed below the device heat exchanger 34 of the second thermosiphon circuit 12. Therefore, in the present embodiment, the third thermosiphon circuit 52 corresponds to the lowermost thermosiphon circuit among the plurality of thermosiphon circuits 11, 12, 52. Also in the present embodiment, as in the second embodiment, the first thermosiphon circuit 11 corresponds to the uppermost thermosiphon circuit.
  • thermosiphon circuit 12 is disposed below the first thermosiphon circuit 11, and the third thermosiphon circuit 52 is disposed below the second thermosiphon circuit 12.
  • the second thermosiphon circuit 12 has a second connection heat exchange unit 352 separately from the first connection heat exchange unit 35.
  • the second connection heat exchange unit 352 has the same structure as the first connection heat exchange unit 35, and is connected to the device heat exchange unit 34 in parallel with the first connection heat exchange unit 35.
  • the position of the second connection heat exchange unit 352 in the vehicle vertical direction DR1 is the same as that of the first connection heat exchange unit 35.
  • the second heat transfer circuit 53 is provided as a heat transfer portion for transferring heat between the working fluid of the second thermosiphon circuit 12 and the working fluid of the third thermosiphon circuit 52.
  • the second heat transfer circuit 53 has the same structure as the first heat transfer circuit 14. Therefore, the heat medium circulates also in the second heat transfer circuit 53, and the second heat transfer circuit 53 is the same as the first heat transfer circuit 14, and the first heat exchange unit 141 and the second heat exchange unit 142 A liquid passage 143 and a gas passage 144 are provided.
  • the first heat exchange portion 141 of the second heat transfer circuit 53 and the second connected heat exchange portion 352 of the second thermosiphon circuit 12 are integrated to constitute one heat exchanger 56. And the 1st heat exchange part 141 of the circuit 53 for the 2nd heat transfer is connected with the 2nd connection heat exchange part 352 so that heat exchange is possible.
  • the second heat exchange portion 142 of the second heat transfer circuit 53 and the connected heat exchange portion 55 of the third thermosiphon circuit 52 are integrated to constitute one heat exchanger 57.
  • the 2nd heat exchange part 142 of the circuit 53 for the 2nd heat transfer is connected to the connection heat exchange part 55 so that heat exchange is possible.
  • the fluid heating unit 20 of the present embodiment is not integrally configured with the second heat medium-working fluid heat exchanger 24, and the second heat exchange unit 142 of the second heat transfer circuit 53 and the third thermosiphon circuit 52.
  • the heat exchanger 57 is integrated with the heat exchanger 57, which is composed of the connected heat exchange unit 55.
  • the overall configuration of the fluid heating unit 20 and the heat exchanger 57 is the same as the overall configuration of the fluid heating unit 20 and the second heat medium-working fluid heat exchanger 24 in the second embodiment. Therefore, in the third thermosiphon circuit 52, the connection heat exchange unit 55 also has a function as a heating target unit 201 through which the working fluid heated by the fluid heating unit 20 flows.
  • thermosiphon circuit 11 which is the uppermost thermosiphon circuit
  • the fluid cooling unit 18 is provided in the first thermosiphon circuit 11 which is the uppermost thermosiphon circuit, not only the first assembled battery BP1 connected to the first thermosiphon circuit 11
  • the other battery packs BP2 and BP3 can also be cooled.
  • thermosiphon circuit 52 which is the lowermost position thermosiphon circuit, not only the third assembled battery BP3 connected to the third thermosiphon circuit 52 but also the other The assembled batteries BP1 and BP2 can also be warmed up.
  • the plurality of thermosiphon circuits 11, 12, 52 are lowermost thermosiphons from the uppermost thermosiphon circuit among the plurality of thermosiphon circuits 11, 12, 52.
  • the circuits are connected in series.
  • the heat exchanging part for equipment which the thermosyphon circuit has is located on the upper side as the thermosyphon circuit on the uppermost thermosyphon circuit side. This is the same as in the first to ninth embodiments described above.
  • the present embodiment is the same as the second embodiment except for the above description. And in this embodiment, the effect show
  • this embodiment is a modification based on the second embodiment, it is also possible to combine this embodiment with any of the first embodiment and the third to ninth embodiments described above.
  • the cooling target portion 181 includes the working fluid in the device heat exchange portion 30 during battery cooling and when the thermosiphon circuits 11 and 12 are not operating. It is arranged at a position in the height direction crossing the height of the liquid level FLa, but this is an example.
  • the entire cooling target portion 181 may be provided above the liquid surface FLa in the vehicle vertical direction DR1.
  • the working fluid condenser 19 composed of the fluid cooling unit 18 and the cooling target unit 181 Condensed, but not limited to.
  • the working fluid condenser 19 may be a water-working fluid heat exchanger that exchanges heat between the cooling water and the working fluid.
  • the working fluid condenser 19 may be an air-cooled condenser that exchanges heat between the air and the working fluid.
  • the condensing capacity of the air-cooled condenser is lower than that of a refrigerant-utilizing condenser or a water-working fluid heat exchanger that condenses the working fluid with the refrigerant of the refrigeration cycle apparatus 38. Therefore, when the working fluid condenser 19 is an air cooling condenser, the working fluid condenser 19 is at a higher position than when the working fluid condenser 19 is a refrigerant utilizing condenser or a water-working fluid heat exchanger. It is desirable to be placed in This is because the difference in the head of the working fluid in the liquid phase in the first thermosyphon circuit 11 can be sufficiently secured.
  • the refrigeration cycle apparatus 38 including the fluid cooling unit 18 cools air for cooling, etc., but the present invention is not limited thereto.
  • the air may be heated for heating or the like.
  • the refrigeration cycle apparatus 38 may not be used for indoor air conditioning such as cooling and heating, and may be configured as a dedicated apparatus for cooling the working fluid of the first thermosiphon circuit 11.
  • the fluid heating unit 20 shown in FIG. 1 is, for example, an electric heater such as a PTC heater, but it may be a high temperature / high pressure unit through which a high temperature / high pressure refrigerant flows in a heat pump. Or may be a Peltier element. Alternatively, the fluid heating unit 20 may be a heating source using waste heat of on-vehicle equipment such as SMR (i.e., system main relay). Further, the number of fluid heating units 20 need not be one, and a plurality of fluid heating units 20 may be provided.
  • SMR waste heat of on-vehicle equipment
  • the whole of the heating target portion 201 is the liquid surface of the working fluid in the device heat exchange portion 34 of the second thermosiphon circuit 12 when the battery is warmed up. It is provided so as to be positioned lower than the FLb in the vehicle vertical direction DR1.
  • the heating target portion 201 is provided such that a part of the heating target portion 201 is positioned lower than the liquid surface FLb of the working fluid in the vehicle vertical direction DR1 when the battery is warmed up. You may be alone. The same applies to the positional relationship between the fluid level FLb of the working fluid and the heating target portion 201 when the second thermosiphon circuit 12 is not in operation.
  • the fluid heating unit 20 is provided in the lower part of the second heat medium-working fluid heat exchanger 24, but this is an example.
  • the fluid heating unit 20 is disposed at various positions on the side surface of the second heat medium-working fluid heat exchanger 24 such as below the center of the vehicle vertical direction DR1.
  • the device temperature adjustment device 1 includes the first fluid cooling unit 18 and the second fluid cooling unit 26.
  • the apparatus temperature control apparatus 1 which does not have one of 26 is also assumed.
  • the device temperature control apparatus 1 includes the two fluid cooling units 18 and 26, one of the two fluid cooling units 18 and 26. It does not matter if there is no The same applies to the third embodiment described above.
  • the second assembled battery BP2 is disposed lower than the first assembled battery BP1 in the vehicle vertical direction DR1
  • the third assembled battery BP3 is the second Although arranged below the battery pack BP2, this is an example.
  • the three battery packs BP1, BP2 and BP3 may be arranged as shown in FIG. 24 or 25.
  • FIG. 24 will be described in comparison with the device temperature adjusting device 1 of the second embodiment shown in FIG.
  • three battery packs BP1, BP2 and BP3 are provided, and the second battery pack BP2 is disposed below each of the first battery pack BP1 and the third battery pack BP3. ing.
  • thermosiphon circuit 59 is a thermosiphon circuit having the same structure as the first thermosiphon circuit 11.
  • the device temperature control device 1 includes a second heat transfer circuit 53 in addition to the heat transfer circuit 14 as the first heat transfer circuit.
  • the second heat transfer circuit 53 is a thermosiphon circuit having the same structure as the first heat transfer circuit 14, and between the working fluid of the second thermosiphon circuit 12 and the working fluid of the third thermosiphon circuit 59. It is provided as a heat transfer unit for transferring heat.
  • the second thermosiphon circuit 12 includes the second connection heat exchange unit 352 as in the tenth embodiment, and the second heat of the second connection heat exchange unit 352 and the second heat transfer circuit 53.
  • the exchange part 142 is united and comprises one heat exchanger.
  • the device temperature control device 1 of FIG. 24 includes two fluid cooling units 18.
  • One of the two fluid cooling units 18 is provided in the first thermosyphon circuit 11 similarly to the device temperature control device 1 of FIG. 13, and the other fluid cooling unit 18 is provided in the third thermosyphon circuit 59. It is done.
  • the other fluid cooling unit 18, the connection heat exchange unit 31 of the third thermosiphon circuit 59, and the first heat exchange unit 141 of the second heat transfer circuit 53 are integrated to constitute one integrated heat exchanger 25. doing. That is, the device temperature control apparatus 1 of FIG. 24 has two integrated heat exchangers 25 including the fluid cooling unit 18.
  • thermosiphon circuit 11 corresponds to the uppermost thermosiphon circuit
  • the second thermosiphon circuit 12 corresponds to the lowermost position thermosyphon circuit.
  • the third thermosiphon circuit 59 corresponds to the uppermost thermosiphon circuit
  • the second thermosiphon circuit 12 corresponds to the lowermost thermosiphon circuit. Applicable Except for these points, the device temperature adjusting device 1 of FIG. 24 is the same as the device temperature adjusting device 1 of FIG.
  • FIG. 25 the example of FIG. 25 will be described in comparison with the device temperature control device 1 of the second embodiment shown in FIG. Even in the example of FIG. 25, three assembled batteries BP1, BP2 and BP3 are provided, but unlike the example of FIG. 24 described above, the first assembled battery BP1 is the second assembled battery BP2 and the third assembled battery. It is arranged above each of BP3.
  • the device temperature adjusting device 1 of FIG. 25 will be described in comparison with the device temperature adjusting device 1 of the second embodiment shown in FIG. 13.
  • the device temperature adjusting device 1 of FIG. In addition to the circuits 11 and 12, a third thermosiphon circuit 60 is provided.
  • the third thermosiphon circuit 60 is a thermosiphon circuit of the same structure as the second thermosiphon circuit 12.
  • the device temperature control apparatus 1 includes a second heat transfer circuit 53 in addition to the heat transfer circuit 14 as the first heat transfer circuit.
  • the second heat transfer circuit 53 is a thermosiphon circuit having the same structure as the first heat transfer circuit 14, and between the working fluid of the first thermosiphon circuit 11 and the working fluid of the third thermosiphon circuit 60. It is provided as a heat transfer unit for transferring heat.
  • the 1st thermosiphon circuit 11 has the 2nd connection heat exchange part 312 separately from the connection heat exchange part 31 which is a 1st connection heat exchange part.
  • the second connection heat exchange unit 312 has the same structure as the first connection heat exchange unit 31, and is connected in parallel with the first connection heat exchange unit 31 to the device heat exchange unit 30. And the position of the 2nd connection heat exchange part 312 in vehicles up-and-down direction DR1 is the same as the 1st connection heat exchange part 31.
  • the second connection heat exchange section 312 and the first heat exchange section 141 of the second heat transfer circuit 53 are integrated to constitute one heat exchanger.
  • the second heat exchange part 142 of the second heat transfer circuit 53 and the connected heat exchange part 35 of the third thermosiphon circuit 60 are integrated to constitute one second heat medium-working fluid heat exchanger 24. doing. That is, the device temperature control apparatus 1 of FIG. 25 has two second heat medium-working fluid heat exchangers 24.
  • the device temperature control apparatus 1 of FIG. 25 is provided with two fluid heating parts 20.
  • One of the two fluid heating units 20 is provided in the second thermosiphon circuit 12 similarly to the device temperature control device 1 of FIG. 13, and the other fluid heating unit 20 is provided in the third thermosiphon circuit 60. It is done.
  • the other fluid heating unit 20 is connected to the second heat medium-working fluid heat exchanger 24 in the same manner as the one fluid heating unit 20.
  • the second heat medium-working fluid heat exchanger 24 to which the other fluid heating unit 20 is connected is the second heat transfer circuit 53 and the second heat transfer circuit of the two second heat medium-working fluid heat exchangers 24. It is a side provided across the three thermosyphon circuits 60.
  • the device temperature control device 1 of FIG. 25 focusing on the connection of the first and second thermosiphon circuits 11 and 12, the first thermosiphon circuit 11 corresponds to the uppermost thermosiphon circuit, and the second thermosiphon circuit 12 corresponds to the lowermost position thermosyphon circuit. Also, focusing on the connection of the first and third thermosiphon circuits 12 and 60, the first thermosiphon circuit 11 corresponds to the uppermost thermosiphon circuit, and the third thermosiphon circuit 60 corresponds to the lowermost thermosiphon circuit. Applicable Except for these points, the device temperature adjusting device 1 of FIG. 25 is the same as the device temperature adjusting device 1 of FIG.
  • the installation location of the fluid heating unit 20 is the same.
  • the second thermosyphon circuit 12 of FIG. 25 includes the heating passage 123 (see FIG. 1) connected to the upper tank 341 and the lower tank 342 of the heat exchange section 34 for the device as in the first embodiment.
  • the fluid heating unit 20 may be provided in the heating passage 123.
  • the installation place of the fluid heating unit 20 in the third thermosiphon circuit 60 of FIG. Furthermore, this relates to the installation place of the fluid heating unit 20 in the second thermosiphon circuit 12 of FIG. 24 and the installation place of the fluid heating unit 20 in the third thermosiphon circuit 52 of the tenth embodiment shown in FIG. The same is true.
  • the device temperature adjustment device 1 includes two or three thermosiphon circuits 11, 12, 52, 59, 60 connected to the battery packs BP1, BP2, BP3. It does not matter if four or more thermosiphon circuits are provided.
  • a fluorocarbon refrigerant for example, is employed as the working fluid that circulates the thermosyphon circuits 11, 12, 52, 59, and 60 of the device temperature adjustment device 1, but this is an example. is there.
  • other fluids that change phase such as propane or carbon dioxide, may be employed as the working fluid.
  • thermosyphon circuit 14 As a heat transfer portion for transferring heat between the working fluid of the first thermosiphon circuit 11 and the working fluid of the second thermosiphon circuit 12, A transmission thermosyphon circuit 14 is provided, which is an example.
  • the heat transfer portion is not limited to the thermosyphon circuit 14, the liquid circuit 40 of FIG. 18, the heat pipe 44 of FIG. 19, and the heat transfer material 46 of FIG. 20 as long as it has a heat transfer function.
  • the device heat exchange units 30 and 34 of the thermosiphon circuits 11 and 12 operate in the device heat exchange units 30 and 34.
  • the fluid is disposed in a posture in which the fluid flows in the vertical direction DR1 of the vehicle, but this is an example. That is, the postures of the device heat exchange units 30, 34 can be variously estimated.
  • the device heat exchange units 30, 34 may be connected to the lower surfaces of the battery packs BP1, BP2, and the working fluid may flow horizontally in the device heat exchange units 30, 34.
  • the device connecting portions 303 and 343 conduct heat conduction to the battery packs BP1 and BP2 through the heat conduction sheet 32. Although possible linked, this is an example. There is no problem even if there is no heat conduction sheet 32 and the device connection parts 303 and 343 are directly connected to the battery packs BP1 and BP2.
  • the target device to which the device temperature adjustment device 1 adjusts the temperature is the battery pack BP, but the target device may not be the battery pack BP.
  • the target device may be a motor, an inverter, a charger, or any other device that requires cooling and warming up.
  • the first working fluid pump 47 is provided in part of the lower cooling passage 114, but this is an example.
  • the installation location of the first working fluid pump 47 may be any place in the first thermosyphon circuit 11 where the working fluid can be circulated by the first working fluid pump 47 to the first thermosyphon circuit 11 .
  • the first working fluid pump 47 may be provided in part of the lower first heat transfer passage 112.
  • the installation location of the second working fluid pump 48 is not limited to the lower second heat transfer passage 122, and the working fluid is supplied to the second thermosiphon circuit 12 of the second thermosiphon circuit 12 using the second working fluid pump 48. It can be anywhere that can be circulated.
  • the working fluid circulates independently in the plurality of thermosiphon circuits.
  • the working fluids of the plurality of thermosyphon circuits are heat exchangeable with one another.
  • the fluid cooling unit cools the working fluid in the object to be cooled.
  • the cooling object part is the uppermost position thermosiphon which has the heat exchange part for apparatuses located uppermost among the heat exchange parts for a plurality of apparatuses which the thermosiphon circuit has among a plurality of thermosiphon circuits. Make up part of the circuit.
  • the fluid heating unit heats the working fluid in the heating target unit.
  • the heating target portion is a lowermost position having a device heat exchange portion located at the lowermost side among the plurality of device heat exchange portions of the plurality of thermosyphon circuits among the plurality of thermosyphon circuits. It forms part of the thermosiphon circuit. Therefore, the working fluid of the lowermost thermosiphon circuit can be heated by the fluid heating unit, and the working fluid of the thermosiphon circuits other than the lowermost thermosiphon circuit can be heated via the working fluid of the lowermost thermosiphon circuit. be able to. From these things, it is possible to warm up a plurality of target devices appropriately.
  • the heat transfer unit includes a first heat exchange unit that exchanges heat with the working fluid in the connected heat exchange unit of the first thermosyphon circuit, and a connected heat exchange unit in the second thermosyphon circuit. And a second heat exchange unit that exchanges heat with the working fluid. Then, the heat transfer portion operates the working fluid in the connection heat exchange portion of the first thermosiphon circuit and the operation in the connection heat exchange portion of the second thermosiphon circuit via the first heat exchange portion and the second heat exchange portion. Heat exchange with fluid.
  • the heat transfer portion can be provided with a structure for causing the working fluid in each of the connected heat exchange portions of the first and second thermosiphon circuits to exchange heat with each other, so the first and second thermosiphon circuits can be simply configured. It is possible.
  • the heat transfer unit transfers heat between the first heat exchange unit and the second heat exchange unit by phase change between the liquid phase of the heat medium and the gas phase. Therefore, it is possible to transfer heat between the first heat exchange unit and the second heat exchange unit using the latent heat of the heat medium.
  • the heat transfer portion is constituted by a heat transfer thermo-siphon circuit in which a heat medium circulates.
  • the heat transfer thermosyphon circuit includes a first heat exchange unit and a second heat exchange unit, and heat is transferred between the first heat exchange unit and the second heat exchange unit by circulation accompanied by a phase change of the heat medium. It is something to convey.
  • the first heat exchange unit condenses the heat medium by heat exchange between the heat medium in the first heat exchange unit and the working fluid in the connected heat exchange unit of the first thermosiphon circuit.
  • the second heat exchange unit evaporates the heat medium by heat exchange between the heat medium in the second heat exchange unit and the working fluid in the connected heat exchange unit of the second thermosiphon circuit.
  • the heat transfer unit is configured of a heat pipe in which a heat medium is sealed.
  • the heat pipe includes a first heat exchange unit and a second heat exchange unit, and transfers heat between the first heat exchange unit and the second heat exchange unit by movement accompanied by a phase change of the heat medium.
  • the first heat exchange unit condenses the heat medium by heat exchange between the heat medium in the first heat exchange unit and the working fluid in the connected heat exchange unit of the first thermosiphon circuit.
  • the second heat exchange unit evaporates the heat medium by heat exchange between the heat medium in the second heat exchange unit and the working fluid in the coupled heat exchange unit of the second thermosiphon circuit. Therefore, it is possible to transfer heat between the first heat exchange unit and the second heat exchange unit using the latent heat of the heat medium.
  • the heat transfer unit is configured by a liquid circuit that transfers heat between the first heat exchange unit and the second heat exchange unit by circulating the heat exchange fluid. Therefore, there is an advantage that the heat transfer portion is not required to have the airtightness capable of sealing the gas.
  • the heat transfer portion is made of a heat transfer material having thermal conductivity, and the heat transfer of the heat transfer material causes the first heat exchange portion and the second heat exchange portion to be separated. Tell the heat. Therefore, it is possible to heat-exchange the working fluid in the connection heat exchange part of the first thermosiphon circuit and the working fluid in the connection heat exchange part of the second thermosiphon circuit with a simple structure.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Transportation (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

Dans la présente invention, une pluralité de circuits de thermosiphon (11, 12, 52, 59, 60) comportent chacun une unité d'échange de chaleur de machine (30, 34, 54) qui échange de la chaleur entre une machine sujette et un fluide de travail, et une unité d'échange de chaleur reliée (31, 35, 55) qui est couplée à l'unité d'échange de chaleur de machine, et qui échange de la chaleur avec le fluide de travail. Chacune des unités d'échange de chaleur liées est configurée de sorte que le fluide de travail à l'intérieur de l'unité d'échange de chaleur reliée échange de la chaleur avec le fluide de travail à l'intérieur d'une unité d'échange de chaleur reliée appartenant à un autre circuit de thermosiphon, de façon à permettre un échange de chaleur entre les fluides de travail dans la pluralité de circuits de thermosiphon. Des unités de refroidissement de fluide (18, 26) refroidissent le fluide de travail à l'intérieur d'unités de sujet de refroidissement (181, 261). Les unités de sujet de refroidissement forment une partie des circuits de thermosiphon supérieurs (11, 59) parmi la pluralité de circuits de thermosiphon, c'est-à-dire les circuits de thermosiphon comportant les unités d'échange de chaleur de machine qui sont positionnées le plus loin vers le haut.
PCT/JP2018/037970 2017-11-20 2018-10-11 Dispositif de réglage de température de machine WO2019097913A1 (fr)

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JP2017222901A JP2019095103A (ja) 2017-11-20 2017-11-20 機器温調装置
JP2017-222901 2017-11-20

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Cited By (1)

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WO2020246248A1 (fr) * 2019-06-06 2020-12-10 株式会社デンソー Dispositif de refroidissement par ébullition

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JP5757502B2 (ja) * 2011-09-27 2015-07-29 古河電気工業株式会社 バッテリ温度調節ユニット及びバッテリ温度調節装置
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JPS6134376U (ja) * 1984-07-31 1986-03-03 昭和アルミニウム株式会社 接続型長尺ヒ−トパイプ
JPH02254292A (ja) * 1989-03-27 1990-10-15 Agency Of Ind Science & Technol 蓄熱槽と二つのループ流路で構成されるループ型ヒートパイプ
JP2003179375A (ja) * 2001-09-26 2003-06-27 Modine Mfg Co 高電力電子キャビネットのためのモジュール式冷却装置及び熱バス
JP2008244320A (ja) * 2007-03-28 2008-10-09 Fujikura Ltd 冷却装置
JP2016109347A (ja) * 2014-12-05 2016-06-20 三菱電機株式会社 アレイモジュール
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020246248A1 (fr) * 2019-06-06 2020-12-10 株式会社デンソー Dispositif de refroidissement par ébullition

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