WO2019054076A1 - Device temperature adjustment apparatus - Google Patents

Abstract

In the present invention a device temperature adjustment unit (10) has one or more device heat exchangers (11-14) configured so as to be capable of exchanging heat between a subject device and a working fluid such that the working fluid evaporates during cooling of the subject device. A condenser (50) causes the gas-phase working fluid to dissipate heat, and thereby discharges condensed liquid-phase working fluid. A liquid-phase passage (55) allows the liquid-phase working fluid to flow between the condenser (50) and the device temperature adjustment unit (10). A plurality of gas-phase passages (21-24, 30-32, and 40-42) allow the gas-phase working fluid to flow between the device temperature adjustment unit (10) and the condenser (50). A first connection part (211), which is for connecting the device temperature adjustment unit (10) to a first gas-phase passage (21) among the plurality of gas-phase passages, and a second connection part (221), which is for connecting device temperature adjustment unit (10) to a second gas-phase passage (22) among the plurality of gas-phase passages, are positioned at locations separated from each other in a horizontal direction.

Description

Equipment temperature controller CROSS-REFERENCE TO RELATED APPLICATIONS

This application is based on Japanese Patent Application No. 2017-176038 filed on September 13, 2017, and Japanese Patent Application No. 2018-137127 filed on July 20, 2018, which are incorporated herein by reference. The contents of the description are incorporated by reference.

The present disclosure relates to a device temperature control apparatus that adjusts the temperature of a target device.

BACKGROUND Conventionally, there has been known a device temperature control device that adjusts the temperature of a target device by a loop thermosiphon method.
An apparatus temperature control device described in Patent Document 1 includes: a heat exchanger for equipment which performs heat exchange between a battery as a target equipment and a working fluid; and a condenser disposed above the heat exchanger for equipment in the direction of gravity. A gas phase passage and a liquid phase passage connecting the heat exchanger for the equipment and the condenser are provided. In addition, the device temperature control device includes a heating member capable of heating the working fluid inside the device heat exchanger.

In the device temperature control device described in Patent Document 1, when the battery is cooled, the working fluid inside the device heat exchanger absorbs heat from the battery, evaporates, and flows into the condenser through the gas phase passage. The liquid phase working fluid condensed by the condenser flows through the liquid phase passage into the equipment heat exchanger. As described above, the device temperature control device is configured to cool the battery by the phase change of the working fluid circulating in the thermosyphon circuit.

Japanese Patent Application Laid-Open No. 2015-41418

The inventors have found the following problems regarding the thermo-siphon-type device temperature control apparatus as described in Patent Document 1. That is, as shown in FIG. 42, when the device temperature control device 100 is mounted on a vehicle or the like, the device temperature control device 100 may tilt as well as the vehicle. In the state shown in FIG. 42, in the heat exchanger 110 for the device included in the device temperature control apparatus 100, the connection portion 201 connected to the heat exchanger 110 for the device in the gas phase passage 200 is on the lower side in the gravity direction. It is inclined. Therefore, the liquid level FL of the working fluid in the liquid phase in the heat exchanger 110 for equipment is located above the connection portion 201 of the gas phase passage 200. That is, the connection portion 201 of the gas phase passage 200 is submerged in the liquid phase working fluid. In this case, the working fluid evaporated in the device heat exchanger 110 at the time of heat generation of the battery does not flow to the gas phase passage 200 and is accumulated in the upper space 120 in the device heat exchanger 110. Therefore, the working fluid does not circulate in the thermosyphon circuit configured by the device heat exchanger 110, the gas phase passage 200, the condenser 500, and the liquid phase passage 550, and the device temperature controller 100 can not cool the battery.

The target device that the device temperature adjustment device 100 performs temperature adjustment can be a battery pack mounted on an electric vehicle such as an electric vehicle or a hybrid vehicle. In that case, the battery pack is constituted by a large number of battery cells, and is disposed under the floor of the electric vehicle, so that the size in the horizontal direction is large. Therefore, the length in the horizontal direction of the heat exchanger 110 for the device also increases along with the battery pack. Therefore, even when the inclination angle of the electric powered vehicle is small, the connection portion 210 of the gas phase passage 200 is likely to be submerged in the liquid phase working fluid. That is, when the target device is the battery pack of the electric vehicle, the influence of the inclination of the electric vehicle on the battery cooling capacity of the device temperature control apparatus 100 is large.

An object of the present disclosure is to provide a device temperature control device capable of performing temperature control of a target device even when the device is inclined.

According to one aspect of the present disclosure, there is provided an apparatus temperature control apparatus that adjusts a temperature of a target device by a phase change between a liquid phase and a gas phase of a working fluid,
A device temperature control unit having one or more device heat exchangers configured to be able to exchange heat between the target device and the working fluid so that the working fluid evaporates when the target device is cooled;
A condenser which dissipates the gas phase working fluid and drains the condensed liquid phase working fluid;
A liquid phase passage for flowing a liquid phase working fluid between the condenser and the device temperature control unit;
A plurality of gas phase passages for flowing a gas phase working fluid between the equipment temperature control unit and the condenser;
The first connection portion in which the first gas phase passage is connected to the device temperature adjustment unit among the plurality of gas phase passages and the second connection portion in which the second gas phase passage is connected to the device temperature adjustment portion are horizontally separated Located in the

According to this, when the device temperature adjustment unit is inclined, one of the first connection portion and the second connection portion is located on the upper side in the gravity direction, and the other of the first connection portion and the second connection portion is on the lower side in the gravity direction. To position. Therefore, the working fluid evaporated in the heat exchanger for equipment included in the equipment temperature control unit is transferred from the first connection or the second connection located at the upper side in the gravity direction to at least the first gas phase passage or the second gas phase passage. It flows to one side and flows into the condenser. The working fluid condensed by the condenser flows through the liquid phase passage and flows into the heat exchanger for equipment. Such circulation of the working fluid enables the device temperature control device to cool the target device even when the device temperature control unit is inclined.

According to another aspect, there is provided an apparatus temperature control apparatus for adjusting a temperature of a target device by a phase change between a liquid phase and a gas phase of a working fluid,
A plurality of device heat exchangers configured to be able to exchange heat between the target device and the working fluid so that the working fluid evaporates when the target device is cooled, and a connection passage connecting the plurality of device heat exchangers A device temperature control unit,
A condenser which dissipates the gas phase working fluid and drains the condensed liquid phase working fluid;
A liquid phase passage for flowing a liquid phase working fluid between the plurality of equipment heat exchangers and the condenser;
A plurality of gas phase passages for flowing a gas phase working fluid between the plurality of equipment heat exchangers and the condenser;
The first connection portion in which the first gas phase passage is connected to the device temperature adjustment unit among the plurality of gas phase passages and the second connection portion in which the second gas phase passage is connected to the device temperature adjustment portion are horizontally separated It is located in the same place and is provided in each separate heat exchanger for equipment, or is provided in the same heat exchanger for equipment.

According to this, when the device temperature adjustment unit is inclined, one of the first connection portion and the second connection portion is located on the upper side in the gravity direction, and the other of the first connection portion and the second connection portion is on the lower side in the gravity direction. To position. Therefore, the working fluid evaporated in the plurality of equipment heat exchangers included in the equipment temperature control unit is transferred from the first connection or the second connection located on the upper side in the direction of gravity to the first gas phase passage or the second gas phase passage. Flow through at least one of the two into the condenser. The working fluid condensed by the condenser flows through the liquid phase passage and flows into the plurality of equipment heat exchangers. The circulation of the working fluid allows the device temperature control device to cool the target device even when the plurality of device heat exchangers are inclined.

The reference numerals in parentheses attached to each component, etc., shows an example of a relationship of the specific component such as described in the following embodiments and their components, and the like.

It is a schematic block diagram of the apparatus temperature control apparatus which concerns on 1st Embodiment. It is a perspective view of the heat exchanger for apparatuses with which an apparatus heat regulation apparatus is equipped, and a battery module. It is sectional drawing of the heat exchanger for apparatuses with which an apparatus temperature control apparatus is equipped, and a battery module. It is explanatory drawing which shows the flow of the working fluid at the time of the battery cooling of an apparatus temperature control apparatus. It is explanatory drawing which shows the flow of the working fluid when an apparatus temperature control apparatus inclines. It is explanatory drawing which shows the flow of the working fluid when an apparatus temperature control apparatus inclines. It is a schematic block diagram which shows the state which changed the enclosed quantity of the working fluid as the modification 1 with respect to 1st Embodiment. It is a schematic block diagram which shows the state which changed the enclosed quantity of the working fluid as the modification 2 with respect to 1st Embodiment. It is a schematic block diagram of the apparatus temperature control apparatus which concerns on 2nd Embodiment. It is a schematic block diagram which shows the state which changed the enclosed quantity of the working fluid as the modification 3 with respect to 2nd Embodiment. It is a schematic block diagram of the apparatus temperature control apparatus which concerns on 3rd Embodiment. It is a schematic block diagram of the apparatus temperature control apparatus which concerns on 4th Embodiment. It is a perspective view of the apparatus temperature control apparatus which concerns on 5th Embodiment. It is a perspective view of the apparatus temperature control apparatus which concerns on 6th Embodiment. It is a perspective view of the apparatus temperature control apparatus which concerns on 7th Embodiment. It is a perspective view of the apparatus temperature control apparatus which concerns on 8th Embodiment. It is a perspective view of the apparatus temperature control apparatus which concerns on 9th Embodiment. It is a perspective view of the apparatus temperature control apparatus which concerns on 10th Embodiment. It is a perspective view of the apparatus temperature control apparatus which concerns on 11th Embodiment. It is a perspective view of the apparatus temperature control apparatus which concerns on 12th Embodiment. It is a perspective view of the apparatus temperature control apparatus which concerns on 13th Embodiment. It is a perspective view of the apparatus temperature control apparatus which concerns on 14th Embodiment. It is a perspective view of the heat exchanger for apparatuses with which the apparatus temperature control apparatus which concerns on 15th Embodiment is equipped, and a battery module. It is a perspective view of the heat exchanger for apparatuses with which the apparatus temperature control apparatus which concerns on 16th Embodiment is equipped, and a battery module. It is a schematic block diagram of the apparatus temperature control apparatus which concerns on 17th Embodiment. It is an enlarged view of XXVI part of FIG. It is a schematic block diagram of the apparatus temperature control apparatus which concerns on 18th Embodiment. It is an enlarged view of XXVIII part of FIG. It is an enlarged view of the XXIX part of FIG. It is a schematic block diagram of the apparatus temperature control apparatus which concerns on 19th Embodiment. It is a schematic block diagram of the apparatus temperature control apparatus which concerns on 19th Embodiment. It is sectional drawing of the flow-path area adjustment valve with which the apparatus temperature control apparatus which concerns on 20th Embodiment is provided. It is sectional drawing of the flow-path area adjustment valve with which the apparatus temperature control apparatus which concerns on 20th Embodiment is provided. It is sectional drawing of the flow-path area adjustment valve with which the apparatus temperature control apparatus which concerns on 21st Embodiment is equipped. It is sectional drawing of the flow-path area adjustment valve with which the apparatus temperature control apparatus which concerns on 21st Embodiment is equipped. It is a schematic block diagram of the apparatus temperature control apparatus which concerns on 22nd Embodiment. FIG. 37 is an enlarged view of a portion XXXVII of FIG. 36; FIG. 37 is an enlarged view of a portion XXXVIII in FIG. It is a schematic block diagram of the apparatus temperature control apparatus which concerns on 23rd Embodiment. It is an enlarged view of the XL part of FIG. It is an enlarged view of the XLI part of FIG. It is a schematic block diagram of the conventional apparatus temperature control apparatus.

Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. In the following embodiments, parts identical or equivalent to each other are given the same reference numerals, and descriptions thereof will be omitted. Further, in the description of each embodiment, the terms first, second, third, and the like are for convenience of description, and the number, arrangement, shape, and the like of the respective constituent members are not limited.

First Embodiment
The first embodiment will be described with reference to FIGS. 1 to 6. The device temperature control device 1 according to the first embodiment is mounted on an electric vehicle (hereinafter simply referred to as a “vehicle”) such as an electric vehicle, a plug-in hybrid vehicle, or a hybrid vehicle. The device temperature control device 1 of the first embodiment (hereinafter sometimes referred to as “this device 1”) cools or warms up a secondary battery (hereinafter referred to as “battery”) mounted on a vehicle, and the battery temperature To adjust the

First, the battery 2 as a target device with which the device temperature control device 1 performs temperature control will be described. A large battery 2 installed in a vehicle is mounted under a seat of the vehicle or under a trunk room as a battery pack (i.e., a storage device) in which a plurality of battery modules in which a plurality of battery cells 3 are combined is stored. The power stored in the battery 2 is supplied to the vehicle drive motor via an inverter or the like. The battery 2 generates heat when power is supplied, for example, while the vehicle is traveling. When the battery 2 becomes high temperature, it not only can not perform sufficient functions but also accelerates deterioration, so it is necessary to limit the output and input so as to reduce self-heating. Therefore, in order to secure the output and input of the battery 2, a cooling device for maintaining the battery 2 at a predetermined temperature or lower is required.

In addition, in a season where the outside air temperature is high such as summer, the temperature of the battery 2 rises not only while the vehicle is traveling but also while it is parked and the like. Also, the battery 2 is often disposed under the floor of the vehicle, under the trunk room, etc., and although the amount of heat per unit time given to the battery 2 is small, the temperature of the battery 2 gradually rises by leaving for a long time. When the battery 2 is left in a high temperature state, the life of the battery 2 is shortened. Therefore, it is desired to maintain the temperature of the battery 2 at a predetermined temperature or less even while the vehicle is parked.

Furthermore, the battery 2 is configured by a plurality of battery cells 3. In the battery 2, when the temperature of each battery cell 3 is uneven, deterioration of the battery cell 3 is biased and the storage performance is lowered. This is because the battery 2 is configured to include a series connection of a plurality of battery cells 3, and the input / output characteristics of the battery 2 are determined in accordance with the characteristics of the battery cell 3 that has deteriorated the most. Therefore, in order to cause the battery 2 to exhibit desired performance over a long period of time, it is important to make the temperature uniform to reduce the temperature variation among the plurality of battery cells 3.

In general, as other cooling devices for cooling the battery 2, air-cooling type cooling means by a blower and cooling means utilizing cold heat of a vapor compression type refrigeration cycle are generally used. However, since the air-cooling type cooling means by the blower only blows the air in the passenger compartment, the cooling capacity is low. Further, since the air blown by the blower cools the battery 2 with sensible heat of air, the temperature difference between the upstream and the downstream of the air flow becomes large, and temperature variations among the plurality of battery cells 3 can not be sufficiently suppressed. Further, although the cooling means utilizing the cold heat of the refrigeration cycle has a high cooling capacity, it is necessary to drive a compressor or the like that consumes a large amount of power while the vehicle is parked. This is not preferable because it causes an increase in power consumption and noise.

Therefore, the device temperature control device 1 of the present embodiment adopts a thermosiphon system in which the temperature of the battery 2 is adjusted by natural circulation of the working fluid without forcibly circulating the working fluid by the compressor.

Next, the configuration of the device temperature control apparatus 1 will be described. As shown in FIG. 1, in the device temperature adjusting device 1, the device temperature adjusting unit 10, a plurality of gas phase passages 21, 22, 40, a condenser 50, a liquid phase passage 55 and the like are mutually connected and sealed fluid It is configured as a circuit. The apparatus temperature control apparatus 1 constitutes a loop-type thermosiphon circuit in which a flow path in which a working fluid in a gas phase flows and a flow path in which a working fluid in a liquid phase flows are separated. A predetermined amount of working fluid is enclosed in the thermosiphon circuit in a state where the inside thereof is evacuated. As the working fluid, for example, fluorocarbon-based refrigerants such as HFO-1234yf or HFC-134a are used. The enclosed amount of the working fluid is adjusted so that the fluid level FL of the working fluid is located midway in the height direction of the heat exchanger for equipment. In the drawings, an example of the height of the fluid level FL of the working fluid is indicated by a dashed dotted line. In addition, the upper and lower sides shown with the double arrow of drawing have shown the upper side and lower side of the gravity direction in the state by which the apparatus temperature control apparatus 1 was mounted in the vehicle etc. FIG.

As shown in FIGS. 1 to 3, the device temperature adjusting unit 10 according to the first embodiment is configured of one heat exchanger 11 for a device. The device heat exchanger 11 has a shape having a longitudinal direction and a short direction when viewed from the gravity direction. The device heat exchanger 11 is configured of a cylindrical upper header tank 111, a cylindrical lower header tank 112, and a heat exchange unit 113. The upper header tank 111 is provided at a position on the equipment heat exchanger 11 above the gravity direction. The lower header tank 112 is provided at a position on the lower side in the direction of gravity of the heat exchanger 11 for equipment. The plurality of heat exchange units 113 have a plurality of tubes which connect the flow passage in the upper header tank 111 and the flow passage in the lower header tank 112. The heat exchange portion 113 may have a plurality of flow paths formed inside a plate-like member. Each component of the device heat exchanger 11 is made of, for example, a metal having high thermal conductivity, such as aluminum or copper. In addition, it is also possible to comprise each structural member of the heat exchanger 11 for apparatuses with materials with high heat conductivity other than a metal.

The battery 2 is installed outside the heat exchange unit 113 via the electrically insulating heat conductive sheet 114. While the insulation between the heat exchange part 113 and the battery 2 is secured by the heat conduction sheet 114, the thermal resistance between the heat exchange part 113 and the battery 2 becomes small. In the present embodiment, in the battery 2, the surface 6 opposite to the surface 5 on which the terminal 4 is provided is installed in the heat exchange unit 113 via the heat conduction sheet 114. It is also possible to omit the heat conduction sheet 114 and directly connect the battery 2 and the heat exchange unit 113.

The plurality of battery cells 3 constituting the battery 2 are arranged in a direction intersecting the gravity direction. The method of installing the battery 2 is not limited to that shown in FIGS. 1 to 3, and any method may be employed as will be described in the fifteenth and sixteenth embodiments described later. The number, shape, and the like of the battery cells 3 constituting the battery 2 are not limited to those shown in FIGS. 1 to 3, and arbitrary ones can be adopted.

The battery 2 can exchange heat with the working fluid inside the heat exchanger 11 for equipment. When the battery 2 generates heat, the working fluid in the liquid phase in the device heat exchanger 11 evaporates. Thereby, the plurality of battery cells 3 are evenly cooled by the latent heat of vaporization of the working fluid.

Outlets 111 a and 111 b are provided on the left and right of the upper header tank 111 in the longitudinal direction of the upper heat exchanger 11 for the device. The lower header tank 112 is provided with an inlet 112 a. The outflow ports 111a and 111b are pipe connection portions for connecting the end portions of the gas pipes constituting the gas phase passages 21, 22 and 40. The inflow port 112 a is a pipe connection portion for connecting an end portion of the liquid pipe constituting the liquid phase passage 55.

The plurality of gas phase passages 21, 22, 40 are passages for flowing the working fluid of the gas phase evaporated inside the heat exchanger 11 for an instrument to the condenser 50. In the present embodiment, the plurality of gas phase passages 21, 22, and 40 are configured to include the first gas phase passage 21, the second gas phase passage 22, and the merging passage 40. One end of the first gas phase passage 21 is connected to an outlet 111 a provided on one side of the upper header tank 111 in the longitudinal direction of the heat exchanger 11 for equipment. The end at which the first gas phase passage 21 is connected to the heat exchanger 11 for equipment is referred to as a first connection portion 211. One end of the second gas phase passage 22 is connected to an outlet 111 b provided at the other end of the upper header tank 111 in the longitudinal direction of the heat exchanger 11 for equipment. The end at which the second gas phase passage 22 is connected to the heat exchanger 11 for apparatus is referred to as a second connection portion 221. The first connection portion 211 of the first gas phase passage 21 and the second connection portion 221 of the second gas phase passage 22 are provided at horizontally separated positions in one heat exchanger 11 for an apparatus. . In detail, the first connection portion 211 of the first gas phase passage 21 and the second connection portion 221 of the second gas phase passage 22 are located longitudinally outside the heat exchange portion 113 of the heat exchanger 11 for equipment. Provided in

The first connection portion 211 is provided forward of the heat exchange portion 113 in the heat exchanger 11 for the device. Further, the second connection portion 221 is provided on the rear side of the heat exchanger 113 of the heat exchanger 11 for the device. That is, the first connection portion 211 and the second connection portion 221 are provided at places separated in the vehicle longitudinal direction. The first gas phase passage 21 has a portion 21 a extending from the first connection portion 211 to the front of the vehicle. The second gas phase passage 22 has a portion 22 a extending from the second connection portion 221 to the rear of the vehicle. The first gas phase passage 21 may extend upward from the first connection portion 211, or may extend upward and obliquely forward. In addition, the second gas phase passage 22 may extend upward from the second connection portion 221, or may extend upward and obliquely rearward.

The following can be said as an effect of the first gas phase passage 21 having a portion 21 a extending from the first connection portion 211 to the front of the vehicle. That is, as shown in FIG. 5, a portion 21 a of the first gas phase passage 21 extending forward of the vehicle from the first connection portion 211 is a pipe for coping with the inclination when the position of the condenser 50 rises. Here, since there is a portion 21a of the first gas phase passage 21 extending from the first connection portion 211 to the front of the vehicle, the heat exchange portion 113 of the heat exchanger 11 for equipment is inclined as shown in FIG. Also, the first gas phase passage 21 does not relatively lower. Therefore, at the time of inclination, the gas phase refrigerant evaporated in the heat exchange unit 113 is easily introduced to the first gas phase passage 21.

Further, the following can be said as an effect of the second gas phase passage 22 having the portion 22a extending from the second connection portion 221 to the rear of the vehicle. That is, as shown in FIG. 6, a portion 22 a of the second gas phase passage 22 extending rearward from the second connection portion 221 is a pipe for dealing with the inclination when the position of the condenser 50 is lowered. Here, since there is a portion 22a of the second gas phase passage 22 extending from the second connection portion 221 to the rear of the vehicle, the heat exchange portion 113 of the heat exchanger 11 for equipment is inclined as shown in FIG. Also, the second gas phase passage 22 does not relatively lower. Therefore, at the time of inclination, the gas phase refrigerant evaporated in the heat exchange unit 113 is easily introduced to the second gas phase passage 22.

The end of the first gas phase passage 21 on the opposite side to the heat exchanger 11 for the device and the end of the second gas phase passage 22 on the opposite side to the heat exchanger 11 for the device are the junction 30 Connected by A junction passage 40 is connected between the junction 30 and the condenser 50. The merging portion 30 is provided on the upper side in the gravity direction than the first connection portion 211 and the second connection portion 221. The working fluid flowing through the first gas phase passage 21 and the working fluid flowing through the second gas phase passage 22 merge at the junction 30. The working fluid merged at the merging portion 30 flows to the condenser 50 through the merging passage 40.

Condenser 50 is arranged above the heat exchanger 11 for equipment in the direction of gravity. The condenser 50 is a heat exchanger for exchanging heat between the gas phase working fluid that has flowed into the interior of the condenser 50 through the gas phase passages 21, 22 and 40 and a predetermined heat receiving medium. The predetermined heat receiving medium performing heat exchange with the working fluid flowing through the condenser 50 may employ various heat mediums, such as refrigerant circulating in a refrigeration cycle, cooling water circulating in a cooling water circuit, or air, for example. It is possible. For example, when air is employed as a predetermined heat receiving medium which exchanges heat with the working fluid flowing through the condenser 50, the condenser 50 can be a working fluid of air or running air blown by a fan (not shown) and a gas phase working fluid. It is comprised as an air-cooled heat exchanger which carries out heat exchange. In that case, the gas phase working fluid flowing through the condenser 50 condenses by releasing heat to the air passing through the condenser 50. The condenser 50 is generally provided in an engine room in front of the vehicle.

The condenser 50 is not limited to the position above the liquid level FL of the working fluid as shown in the drawing, and may be provided at a position straddling the liquid level FL of the working fluid in the height direction.

The liquid phase passage 55 is a passage for causing the working fluid of the liquid phase condensed inside the condenser 50 to flow to the heat exchanger 11 for the device. The end of the liquid phase passage 55 opposite to the condenser 50 is connected to the inlet 112 a provided in the lower header tank 112 of the heat exchanger 11 for equipment. As a result, the working fluid that has been condensed in the condenser 50 and becomes a liquid phase flows down the liquid phase passage 55 by its own weight and flows into the heat exchanger 11 for equipment.

The gas phase passages 21, 22, 40 and the liquid phase passage 55 are names for convenience, and do not mean a passage through which only the gas phase or liquid phase working fluid flows. That is, working fluid of both the gas phase and the liquid phase may flow through any of the gas phase passages 21, 22, 40 and the liquid phase passage 55. Further, the shapes and the like of the gas phase passages 21, 22, 40 and the liquid phase passage 55 can be appropriately changed in consideration of the mountability to the vehicle.

Subsequently, the flow of the working fluid when the device temperature control device 1 cools the battery 2 will be described.
<Horizontal state>
FIG. 4 shows the case where the device temperature adjustment unit 10 is in the horizontal state. In the present embodiment, the enclosed amount of the working fluid is such that the fluid level FL of the working fluid is in the height direction of the heat exchange unit 113 when the device temperature adjustment device 1 is in the non-operating state and the device temperature adjustment unit 10 is in the horizontal state. It is adjusted to be located in the middle of. Further, the amount of the working fluid enclosed is such that when the device temperature adjustment device 1 is in the non-operating state and the device temperature adjustment unit 10 is in the horizontal state, the first connection portion 211 and the second connection portion 221 are the liquid level FL of the working fluid. It is adjusted to be on the upper side.

When the device temperature adjustment device 1 is activated to cool the battery 2, the condenser 50 performs heat exchange between the working fluid in the gas phase and the predetermined heat receiving medium. Specifically, when the vehicle is at a stop, a fan (not shown) for blowing air to the condenser 50 is driven, and the air is blown by the fan. In addition, since driving | running wind flows into the condenser 50 when a vehicle is drive | working, the drive of a fan is unnecessary. Alternatively, a compressor of a not-shown refrigeration cycle for performing heat exchange with the working fluid flowing through the condenser 50 is driven, and the refrigerant circulates in the refrigeration cycle. Alternatively, a pump of a cooling water circuit (not shown) for exchanging heat with the working fluid flowing through the condenser 50 is driven, and the cooling water circulates in the cooling water circuit.

Thereby, the working fluid in the liquid phase condensed by the condenser 50 flows through the liquid phase passage 55 by its own weight and flows into the lower header tank 112 of the heat exchanger 11 for the device from the inlet. The working fluid that has flowed into the lower header tank 112 is divided into a plurality of flow paths of the heat exchange unit 113. Here, in the present embodiment, the enclosed amount of the working fluid is adjusted such that the fluid level FL of the working fluid is positioned halfway in the heat exchange unit 113 when the device temperature adjustment unit 10 is in the horizontal state. Therefore, the first connection portion 211 and the second connection portion 221 are located above the liquid level FL of the working fluid in the device temperature adjustment unit 10.

The working fluid in the liquid phase flowing through the plurality of flow paths of the heat exchange portion 113 evaporates by heat exchange with the battery 2. In this process, the battery 2 is cooled by the latent heat of vaporization of the working fluid. Thereafter, the working fluid that has become a gas phase joins at the upper header tank 111. Then, the working fluid of the gas phase is separated from the first connection portion 211 and the second connection portion 221 respectively connected to one and the other in the longitudinal direction of the upper header tank 111, the first gas phase passage 21 and the second gas phase passage. 22 and the merging passage 40 to the condenser 50.

As described above, the flow of the working fluid at the time of cooling of the battery 2 is as follows: condenser 50 → liquid phase passage 55 → lower header tank 112 → heat exchange unit 113 → upper header tank 111 → first gas phase passage 21, second air Phase passage 22 → merging passage 40 → condenser 50 in this order. That is, a loop-like flow path including the heat exchanger 11 for the device and the condenser 50 is formed.

<Inclination state>
Next, the case where the device temperature control device 1 is in the inclined state will be described. 5 and 6 show a state in which the device temperature control device 1 is inclined at a predetermined angle. As for the enclosed amount of the working fluid, the liquid level FL of the working fluid is on the upper side of one of the first connection portion 211 or the second connection portion 221 when the device temperature adjustment unit 10 is inclined at a predetermined angle, and the first connection portion 211 Alternatively, it is adjusted to be below the other side of the second connection portion 221. Further, the enclosed amount of the working fluid is adjusted such that the fluid level FL of the working fluid is located below the merging portion 30 when the device temperature adjusting unit 10 is inclined at a predetermined angle.

In addition, the predetermined angle used as the reference | standard for adjusting the enclosed amount of a working fluid is suitably set according to the use environment of the vehicle by which the apparatus temperature control apparatus 1 is mounted. In the present embodiment, the predetermined angle is set, for example, as 25 degrees. The predetermined angle may be set appropriately, for example, between 5 ° and 25 °. By the way, it is desirable that the device temperature control device 1 be configured to correspond to the inclination in the front-rear direction of the vehicle than in the left-right direction of the vehicle. While the vehicle in motion is likely to be maintained for a long period of time in the longitudinal direction of the vehicle as when climbing a hill, the lateral direction of the vehicle is not maintained for a long period of time. Therefore, the need for the device temperature control apparatus 1 to cope with the direction of the vehicle is high. In addition, the device temperature control device 1 is also effective with respect to the inertial force acting on the vehicle. At this time, in a scene such as acceleration and deceleration, the state in which the inertial force acts in the longitudinal direction of the vehicle is likely to be maintained for a long time. On the other hand, the state in which the inertial force is applied in the lateral direction of the vehicle by a curve or the like is not maintained for a long time. The need for the device temperature adjustment device 1 to be coped with in the longitudinal direction of the vehicle is high.

FIG. 5 shows a state where the condenser 50 side of the heat exchanger 11 for equipment is inclined upward. In this state, for example, when the condenser 50 is installed in front of the vehicle, the front of the vehicle is inclined upward. At this time, the first connection portion 211 of the first gas phase passage 21 connected to one of the longitudinal direction of the upper header tank 111 is above the liquid level FL of the working fluid, and is connected to the other longitudinal direction of the upper header tank 111 The second connection portion 221 of the second gas phase passage 22 is located below the fluid level FL of the working fluid.

When the device temperature controller 1 is activated to cool the battery 2, as shown by the arrows in FIG. 5, the working fluid in the liquid phase condensed by the condenser 50 flows through the liquid phase passage 55 for heat exchange for the device Flows into the lower header tank 112 of the vessel 11. The working fluid having flowed into the lower header tank 112 is divided into a plurality of flow paths of the heat exchange unit 113 and is evaporated by heat exchange with the battery 2. In the case of FIG. 5, the working fluid of the gas phase evaporated in the heat exchange unit 113 passes through the first connection portion 211 above the liquid level FL of the working fluid, passes through the first gas phase passage 21 and the merging passage 40, and condenses. Flow to the vessel 50.

On the other hand, FIG. 6 shows a state in which the condenser 50 side of the heat exchanger 11 for equipment is inclined downward. In this state, the first connection portion 211 of the first gas phase passage 21 connected to one of the upper header tank 111 in the longitudinal direction is below the fluid level FL of the working fluid, and in the other longitudinal direction of the upper header tank 111 The second connection portion 221 of the second gas phase passage 22 to be connected is above the fluid level FL of the working fluid.

When the device temperature controller 1 is activated to cool the battery 2, as shown by the arrows in FIG. 6, when the battery 2 is cooled, the working fluid in the liquid phase condensed by the condenser 50 flows through the liquid phase passage 55. It flows and flows into the lower header tank 112 of the heat exchanger 11 for equipment. The working fluid having flowed into the lower header tank 112 is divided into a plurality of flow paths of the heat exchange unit 113 and is evaporated by heat exchange with the battery 2. In the case of FIG. 6, the working fluid of the vapor phase evaporated in the heat exchange unit 113 passes through the second connection portion 221 above the liquid level FL of the working fluid, passes through the second vapor phase passage 22 and the merging passage 40, and condenses. Flow to the vessel 50. As described above, in the first embodiment, the battery 2 can be cooled even when the device heat exchanger 11 is inclined to either side in the longitudinal direction.

Next, the fluid level FL of the working fluid will be described in detail.
At the time of operation of the present apparatus 1, that is, when evaporation occurs in the device temperature control unit 10 and condensation occurs in the condenser 50, the liquid level changes up and down somewhat depending on the pressure balance at the time of evaporation. As described above, in the present embodiment, the enclosed amount of the working fluid is adjusted such that the first connection portion 211 and the second connection portion 221 are located above the liquid surface of the working fluid. If the fluid level of the working fluid is not adjusted as such, the working fluid in the gas phase can not stably escape and performance can not be ensured, or only if the fluid level moves a little lower. Performance can not be secured stably because the working fluid of

The liquid surface is stationary when evaporation of the apparatus temperature control unit 10 does not occur and condensation does not occur in the condenser 50 when the apparatus 1 is not in operation. In this state, if the relationship that the first connection portion 211 and the second connection portion 221 are located above the liquid level of the working fluid is not satisfied, the condenser 50 is operated by a cold heat source to operate the device 1. Even if supplied, there is no path through which the gas phase working fluid evaporated in the device temperature control unit 10 is released. That is, stable operation of the device 1 can not be started.

Here, the operation principle of the device 1 will be described. The working fluid is vaporized in the apparatus temperature adjusting unit 10 to be a gas phase, and the working fluid in the gas phase is condensed in the condenser 50 to be a working fluid in a liquid phase, and the working fluid in the liquid phase is a fluid phase passage Collect. At this time, the liquid level difference between the device temperature adjustment unit 10 and the liquid phase passage 55 acts as a driving source. In other words, a part of the liquid-phase refrigerant of the device temperature adjustment unit 10 moves to the liquid-phase passage 55 via the condenser 50 after evaporation, thereby generating a liquid level difference and circulating the working fluid.

Next, the liquid level in operation and the liquid level in non-operation are compared. As described above, since the present apparatus 1 operates by moving to the liquid phase passage 55 via the condenser 50 after evaporation of a part of the liquid phase refrigerant of the device temperature adjustment unit 10, the device temperature adjustment unit 10 does not The working fluid level and working fluid level are higher in the non-working fluid level. Although the liquid level at the time of operation slightly rises and falls due to pressure balance, the liquid level at the time of operation temporarily rises higher than the liquid level at the time of non-operation, but generally the liquid level at the time of non-operation And it can be considered that the liquid level at the time of operation is higher than the liquid level at the time of non-operation.

From the above, regarding the relationship that the first connection portion 211 and the second connection portion 221 are located above the liquid level of the working fluid, if the liquid level at the time of non-operation of the device 1 satisfies the relation, Cooling performance can be ensured in almost all situations of the present apparatus 1.

The device temperature control apparatus 1 of the first embodiment described above has the following effects.
(1) In the first embodiment, the first connection portion 211 in which the first gas phase passage 21 is connected to the heat exchanger 11 for the device, and the second in which the second gas phase passage 22 is connected to the heat exchanger 11 for the device The connection portion 221 is located at a position distant in the horizontal direction. Thereby, when the heat exchanger 11 for apparatuses inclines, one side of the 1st connection part 211 and the 2nd connection part 221 is located above gravity direction, and the other of the 1st connection part 211 and the 2nd connection part 221 is gravity. It is located below the direction. Therefore, the working fluid evaporated in the device heat exchanger 11 is at least one of the first connection portion 211 or the second connection portion 221 located on the upper side in the direction of gravity to at least one of the first gas phase passage 21 or the second gas phase passage 22. Flow to the condenser 50. The working fluid condensed by the condenser 50 flows through the liquid phase passage 55 and flows into the heat exchanger 11 for equipment. Such circulation of the working fluid enables the device temperature adjusting device 1 to cool the battery 2 even when the device heat exchanger 11 is inclined to either side in the longitudinal direction.

(2) In the first embodiment, the enclosed amount of the working fluid is such that the fluid level FL of the working fluid is the heat for the device when the device temperature adjustment device 1 is in the non-operating state and the device heat exchanger 11 is in the horizontal state. It is adjusted to be located in the middle of the exchanger 11. Further, the amount of the working fluid enclosed is determined by the first connection portion 211 and the second connection portion 221 when the device temperature adjustment device 1 is in the non-operating state and the device heat exchanger 11 is in the horizontal state. It is adjusted to be positioned above the plane FL. As a result, the degassing property of the first connection portion 211 or the second connection portion 221 is improved. That is, the pressure loss of the working fluid in the gas phase flowing from the heat exchanger 11 for equipment to the first gas phase passage 21 or the second gas phase passage 22 via the first connection portion 211 or the second connection portion 221 is reduced. Ru. Therefore, the device temperature control apparatus 1 can improve the cooling performance of the battery 2 by improving the circulation of the working fluid of the thermosiphon circuit.

(3) In the first embodiment, when the heat exchanger 11 for equipment is inclined at a predetermined angle, the amount of enclosed working fluid is one of the first connection portion 211 or the second connection portion 221 of the liquid surface FL of the working fluid. It is adjusted so that it may be above the other of the 1st connection part 211 or the other side of the 2nd connection part 221. Thereby, when the heat exchanger 11 for apparatus inclines, the 1st connection part 211 or the 2nd side of the side which the working fluid evaporated inside the heat exchanger 11 for apparatuses is not immersed in the working fluid of a liquid phase It flows from the connection part 221 to the first gas phase passage 21 or the second gas phase passage 22. Therefore, the device temperature control apparatus 1 can improve the cooling performance of the battery 2 by improving the circulation of the working fluid of the thermosiphon circuit.

(4) In the first embodiment, the device temperature adjusting device 1 further includes the merging portion 30 and the merging passage 40. The merging portion 30 is provided on the upper side in the gravity direction than the first connection portion 211 and the second connection portion 221. The merging passage 40 causes the working fluid in the gas phase to flow between the merging portion 30 and the condenser 50. According to this, the device temperature control device 1 is configured to connect between the merging portion 30 and the condenser 50 by the merging passage 40 so that all of the space between the device heat exchanger 11 and the condenser 50 can be obtained. The number of pipes can be reduced as compared with the configuration in which the first gas phase passage and the second gas phase passage are connected.

Further, by providing the merging portion 30 above the first connection portion 211 and the second connection portion 221 in the direction of gravity, it is possible to prevent the merging portion 30 from being submerged if the heat exchanger 11 for equipment is inclined. Can. Temporarily, if the junction part 30 is submerged, if the heat exchanger 11 for equipment inclines, the working fluid of the gaseous phase flowing through the first gas phase passage 21 or the second gas phase passage 22 passes through the junction 30 Can be difficult. On the other hand, when the heat exchanger 11 for equipment is inclined, if the merging portion 30 is not submerged, the working fluid of the gas phase flowing through the first gas phase passage 21 or the second gas phase passage 22 is the merging portion It easily passes 30 and flows to the condenser 50. Therefore, the device temperature control apparatus 1 can improve the cooling performance of the battery 2 by improving the circulation of the working fluid of the thermosiphon circuit.

(5) In the first embodiment, the enclosed amount of the working fluid is adjusted so that the fluid level FL of the working fluid is below the merging portion 30 when the heat exchanger 11 for equipment is inclined at a predetermined angle. There is. Thereby, when the heat exchanger 11 for apparatuses inclines, it can suppress that the junction part 30 liquid-sinks.

(6) In the first embodiment, the first connection portion 211 and the second connection portion 221 are provided at positions separated in the horizontal direction of the single device heat exchanger 11. Thereby, when the heat exchanger 11 for apparatus inclines, the working fluid evaporated in the heat exchanger 11 for apparatus is a 1st gaseous phase from the 1st connection part 211 or the 2nd connection part 221 located in the gravity direction upper side. It flows through the passage 21 or the second gas phase passage 22 and the like and flows into the condenser 50. Therefore, the device temperature adjusting device 1 can cool the battery 2 even when the device heat exchanger 11 is inclined.

(7) In the first embodiment, the first connection portion 211 and the second connection portion 221 are provided longitudinally outside of the heat exchange portion 113 in the heat exchanger 11 for the device. Thereby, in one heat exchanger 11 for apparatus, the 1st connection part 211 and the 2nd connection part 221 are provided in the position where it separated greatly in the horizontal direction. Therefore, even when the heat exchanger 11 for equipment is greatly inclined, the working fluid of the vapor phase evaporated in the heat exchanger 11 for equipment is transmitted from the first connection portion 211 or the second connection portion 221 to the first gas phase passage 21 or It is possible to discharge to the second gas phase passage 22.

(Modification 1)
A first modification to the first embodiment will be described with reference to FIG. The modification 1 is the same as the first embodiment except that the amount of the working fluid sealed in the thermosyphon circuit of the device temperature control apparatus 1 is changed with respect to the first embodiment. Only the differences from the first embodiment will be described.

FIG. 7 shows a state in which the device temperature control device 1 is inclined at a predetermined angle. In the first modification, the enclosed amount of the working fluid is the first gas phase passage 21 and the second gas phase passage 21 even when the device temperature adjustment unit 10 is in the horizontal state and when the device temperature adjustment unit 10 is inclined at a predetermined angle. The fluid level FL of the working fluid is adjusted to be located midway in the gas phase passage 22. Further, the amount of the working fluid enclosed is the level of the working fluid below the merging portion 30 even when the device temperature adjusting unit 10 is in the horizontal state and when the device temperature adjusting unit 10 is inclined at a predetermined angle. It is adjusted to be FL.

When the battery 2 is cooled, the working fluid in the liquid phase condensed in the condenser 50 flows through the liquid phase passage 55 and flows into the lower header tank 112 of the heat exchanger 11 for equipment. The working fluid having flowed into the lower header tank 112 is divided into a plurality of flow paths of the heat exchange unit 113 and is evaporated by heat exchange with the battery 2. In FIG. 7, the second connection portion 221 of the second gas phase passage 22 is located above the first connection portion 211 of the first gas phase passage 21. Therefore, the working fluid in the vapor phase evaporated in the heat exchange portion 113 flows through the upper header tank 111 to the second connection portion 221 side, and from the second connection portion 221 through the second vapor phase passage 22 and the merging passage 40, condenses Flow to the vessel 50. Note that depending on the way of piping that constitutes the second gas phase passage 22, it is conceivable that liquid working fluid can be collected in the middle of the second gas phase passage 22. Therefore, as shown by the broken line P1 in FIG. 7, it is preferable that the piping constituting the second gas phase passage 22 has a layout in which the inclination in the vertical direction is gentle within the limitation of the vehicle mounting space. Furthermore, it is further preferable that the piping has a layout in which the height increases toward the merging portion 30.

(Modification 2)
A second modification to the first embodiment will be described with reference to FIG. The second modification is also the same as the first embodiment except that the amount of the working fluid sealed in the thermosiphon circuit of the device temperature control apparatus 1 is changed with respect to the first embodiment.

FIG. 8 shows a state in which the device temperature control device 1 is inclined at a predetermined angle. In the second modification, the fluid level FL of the working fluid is located above the merging portion 30 and in the middle of the merging passage 40. That is, the merging portion 30 is submerged in the working fluid in the liquid phase. In this case, when the battery 2 is cooled, the working fluid evaporated by the heat exchange with the battery 2 in the heat exchange unit 113 of the heat exchanger 11 for equipment is the first gas phase passage 21, the second gas phase passage 22, and the merging. It may be difficult to pass through the section 30. Therefore, as shown by the broken line P2 in FIG. 8, the piping constituting the first gas phase passage 21 or the second gas phase passage 22 should have a layout in which the inclination in the vertical direction is gentle within the limitation of the vehicle mounting space. Is preferred. Furthermore, it is further preferable that the piping has a layout in which the height increases toward the merging portion 30.

Second Embodiment
The second embodiment will be described with reference to FIG. The second embodiment is the same as the first embodiment except that part of the configuration of the second gas phase passage 22 and the enclosed amount of the working fluid are changed with respect to the first embodiment. .

FIG. 9 shows a state in which the device temperature control device 1 is inclined at a predetermined angle. In the second embodiment, the vertical distance between the upper header tank 111 and the second gas phase passage 22 of the heat exchanger 11 for equipment is the upper header tank 111 and the second gas phase passage 22 described in the first embodiment. It is larger than the vertical distance with

In the second embodiment, the enclosed amount of the working fluid is such that the second gas phase passage 22 is horizontal even when the device temperature adjustment unit 10 is in the horizontal state and when the device temperature adjustment unit 10 is inclined at a predetermined angle. The fluid level FL of the working fluid is adjusted to be located below the extended portion.

In the second embodiment, the amount of the working fluid enclosed is the first gas phase passage 21 also when the device temperature adjustment unit 10 is in the horizontal state and when the device temperature adjustment unit 10 is inclined at a predetermined angle. The fluid level FL of the working fluid is adjusted to be located in the middle of the second gas phase passage 22. Further, the amount of the working fluid enclosed is the level of the working fluid below the merging portion 30 even when the device temperature adjusting unit 10 is in the horizontal state and when the device temperature adjusting unit 10 is inclined at a predetermined angle. It is adjusted to be FL.

When the battery 2 is cooled, the working fluid in the liquid phase condensed in the condenser 50 flows through the liquid phase passage 55 and flows into the lower header tank 112 of the heat exchanger 11 for equipment. The working fluid having flowed into the lower header tank 112 is divided into a plurality of flow paths of the heat exchange unit 113 and is evaporated by heat exchange with the battery 2. In FIG. 9, the second connection portion 221 of the second gas phase passage 22 is located above the first connection portion 211 of the first gas phase passage 21. Therefore, the working fluid in the vapor phase evaporated in the heat exchange portion 113 flows through the upper header tank 111 to the second connection portion 221 side, and from the second connection portion 221 through the second vapor phase passage 22 and the merging passage 40, condenses Flow to the vessel 50.

Also in the second embodiment, when the device heat exchanger 11 is inclined, one of the first connection portion 211 and the second connection portion 221 is located on the upper side in the gravity direction, and the first connection portion 211 and the second connection portion 221 The other is located below the direction of gravity. Therefore, the working fluid evaporated in the device heat exchanger 11 is at least one of the first connection portion 211 or the second connection portion 221 located on the upper side in the direction of gravity to at least one of the first gas phase passage 21 or the second gas phase passage 22. Flow to the condenser 50. Therefore, the device temperature adjusting device 1 can cool the battery 2 even when the device heat exchanger 11 is inclined to either side in the longitudinal direction.

(Modification 3)
A third modification to the second embodiment will be described with reference to FIG. The third modification is the same as the second embodiment except that the amount of the working fluid enclosed is changed with respect to the second embodiment.

FIG. 10 shows a state in which the device temperature control device 1 is inclined at a predetermined angle. In the third modification, the fluid level FL of the working fluid is located above the merging portion 30 and in the middle of the merging passage 40. That is, the merging portion 30 is submerged in the working fluid in the liquid phase. In this case, when the battery 2 is cooled, the working fluid evaporated by the heat exchange with the battery 2 in the heat exchange unit 113 of the heat exchanger 11 for equipment is the first gas phase passage 21, the second gas phase passage 22, and the merging. It may be difficult to pass through the section 30. Therefore, as shown by the broken line P3 in FIG. 10, the piping constituting the first gas phase passage 21 or the second gas phase passage 22 should have a layout in which the inclination in the vertical direction is gentle within the limitation of the vehicle mounting space. Is preferred. Furthermore, it is further preferable that the piping has a layout in which the height increases toward the merging portion 30.

Third Embodiment
The third embodiment will be described with reference to FIG. The third embodiment is the same as the first embodiment except that parts of the configurations of the first gas phase passage 21 and the second gas phase passage 22 are modified with respect to the first embodiment. .

In the third embodiment, the first connection portion 211 of the first gas phase passage 21 and the second connection portion 221 of the second gas phase passage 22 are connected to the middle of the upper header tank 111, respectively. Also in the third embodiment, the first connection portion 211 of the first gas phase passage 21 and the second connection portion 221 of the second gas phase passage 22 are separated in the horizontal direction of the single device heat exchanger 11. It is located in the Therefore, the device temperature adjusting device 1 can cool the battery 2 even when the device heat exchanger 11 is inclined to either side in the longitudinal direction.

Fourth Embodiment
The fourth embodiment will be described with reference to FIG. The fourth embodiment is the same as the third embodiment except that a gas phase passage is added to the third embodiment.

In the fourth embodiment, the plurality of gas passages are configured to include the first gas passage 21, the second gas passage 22, the third gas passage 23, and the merging passage 40. The first connection portion 211 of the first gas phase passage 21, the second connection portion 221 of the second gas phase passage 22, and the third connection portion 231 of the third gas phase passage 23 are all heat exchangers 11 for equipment. Is connected to the middle of the upper header tank 111. The end of the first gas phase passage 21 on the opposite side to the heat exchanger 11 for equipment and the end of the third gas phase passage 23 on the opposite side of the heat exchanger 11 for equipment are the first junction It is connected by a section 31. The end of the second gas phase passage 22 opposite to the heat exchanger 11 for the device and the end of the first gas phase passage 21 opposite to the heat exchanger 11 for the device are joined second It is connected by the part 32. As described above, the number of gas phase passages and the number of junctions are not limited, and can be set arbitrarily according to the layout on the vehicle.

Also in the fourth embodiment, the first connection portion 211 of the first gas phase passage 21, the second connection portion 221 of the second gas phase passage 22, and the third connection portion 231 of the third gas phase passage 23 Among the heat exchangers 11 for one apparatus, it is provided in the position away to the horizontal direction. Therefore, the device temperature adjusting device 1 can cool the battery 2 even when the device heat exchanger 11 is inclined to either side in the longitudinal direction.

Fifth Embodiment
The fifth embodiment will be described with reference to FIG. In the fifth to fourteenth embodiments described below, the device temperature adjusting unit 10 provided in the device temperature adjusting device 1 is configured of a plurality of device heat exchangers. The device temperature adjustment unit 10 can be stored together with the battery 2 in the case of the battery pack. In FIGS. 13 to 22, which are referred to in the description of the fifth to fourteenth embodiments, the illustration of the condenser is omitted. Further, the range of the device temperature adjustment unit 10 is indicated by a broken line.

In the fifth embodiment, the device temperature adjustment unit 10 is configured by the first device heat exchanger 11 and the second device heat exchanger 12. The first device heat exchanger 11 and the second device heat exchanger 12 are provided at horizontally separated positions. Although not illustrated, in the fifth embodiment, the enclosed amount of the working fluid is adjusted so that the liquid level of the working fluid is positioned in the middle of the heat exchange unit when the device temperature adjustment unit 10 is in the horizontal state. It is done. Therefore, the first connection portion 211 and the second connection portion 221 are provided at a portion above the liquid surface of the working fluid in the first device heat exchanger 11 and among the second device heat exchanger 12 It is provided at a position above the liquid surface of the working fluid.

In the fifth embodiment, the first gas phase passage 21 and the second gas phase passage 22 merge at the merging portion 30. A junction passage 40 is connected between the junction 30 and the condenser. The first gas phase passage 21 branches from the merging portion 30 to one first gas phase passage 21c and the other first gas phase passage 21d via the branch portion 21b. The first connection portion 211 a of one first gas phase passage 21 c is connected to a portion on the vehicle front side in the upper header tank 111 of the first device heat exchanger 11. The first connection portion 211 b of the other first gas phase passage 21 d is connected to a portion on the vehicle front side of the upper header tank 121 of the second device heat exchanger 12.

The second gas phase passage 22 branches from the merging portion 30 to one second gas phase passage 22c and the other second gas phase passage 22d via the branch portion 22b. The second connection portion 221 a of the one second gas phase passage 22 c is connected to a portion on the vehicle rear side of the upper header tank 111 of the first device heat exchanger 11. The second connection portion 221 b of the other second gas phase passage 22 d is connected to a portion on the vehicle rear side of the upper header tank 121 of the second device heat exchanger 12.

The first gas phase passages 21c and 21d and the second gas phase passages 22c and 22d also function as a connecting passage for connecting the first device heat exchanger 11 and the second device heat exchanger 12 There is. The lower header tank 112 of the first device heat exchanger 11 and the lower header tank 122 of the second device heat exchanger 12 are connected by a liquid phase passage 55.

Also in the fifth embodiment, when the device temperature adjustment unit 10 is inclined in the longitudinal direction of the vehicle, one of the first connection portion 211 and the second connection portion 221 is located on the upper side in the gravity direction, and the other is located on the lower side in the gravity direction. Do. Therefore, the working fluid evaporated in the plurality of device heat exchangers 11 and 12 is transferred from the first connection portion 211 or the second connection portion 221 located on the upper side in the gravity direction to the first gas phase passage 21 or the first 2 flow in the gas phase passage 22 and enter the condenser. The working fluid condensed by the condenser flows through the liquid phase passage 55 and flows into the plurality of equipment heat exchangers 11 and 12. With the circulation of the working fluid, the device temperature adjusting device 1 of the fifth embodiment can cool the battery 2 even when the plurality of device heat exchangers 11 and 12 are inclined.

Sixth Embodiment
The sixth embodiment will be described with reference to FIG. The sixth embodiment is a modification of the fifth embodiment in which a part of the configuration of the gas phase passage is changed.

Also in the sixth embodiment, the first gas phase passage 21 branches from the merging portion 30 via the branch portion 21b to one first gas phase passage 21c and the other first gas phase passage 21d. The first connection portion 211 a of one first gas phase passage 21 c is connected to a portion on the vehicle front side in the upper header tank 111 of the first device heat exchanger 11. The first connection portion 211 b of the other first gas phase passage 21 d is connected to a portion on the vehicle front side of the upper header tank 121 of the second device heat exchanger 12.

On the other hand, in the sixth embodiment, the second gas phase passage 22 branches from the junction 30 to one second gas phase passage 22c and the other second gas phase passage 22d. The second connection portion 221 a of the one second gas phase passage 22 c is connected to a portion on the vehicle rear side of the upper header tank 111 of the first device heat exchanger 11. The second connection portion 221 b of the other second gas phase passage 22 d is connected to a portion on the vehicle rear side of the upper header tank 121 of the second device heat exchanger 12.

The sixth embodiment can also achieve the same function and effect as those of the first to fifth embodiments.

Seventh Embodiment
A seventh embodiment will be described with reference to FIG. The seventh embodiment is a modification of the fifth embodiment in which part of the configuration of the gas phase passage is changed.

Also in the seventh embodiment, the first gas phase passage 21 branches from the merging portion 30 via the branch portion 21b to one first gas phase passage 21c and the other first gas phase passage 21d. The first connection portion 211 a of one first gas phase passage 21 c is connected to a portion on the vehicle front side in the upper header tank 111 of the first device heat exchanger 11. The first connection portion 211 b of the other first gas phase passage 21 d is connected to a portion on the vehicle front side of the upper header tank 121 of the second device heat exchanger 12.

The second gas phase passage 22 branches from the merging portion 30 to one second gas phase passage 22c and the other second gas phase passage 22d via the branch portion 22b. The second connection portion 221 a of the one second gas phase passage 22 c is connected to a portion on the vehicle rear side of the upper header tank 111 of the first device heat exchanger 11. The second connection portion 221 b of the other second gas phase passage 22 d is connected to a portion on the vehicle rear side of the upper header tank 121 of the second device heat exchanger 12.

The seventh embodiment can also achieve the same function and effect as those of the first to sixth embodiments.

Eighth Embodiment
The eighth embodiment will be described with reference to FIG. The eighth embodiment is different from the fifth embodiment in the arrangement of the plurality of device heat exchangers 11 and 12 constituting the device temperature adjusting unit 10. The plurality of device heat exchangers 11 and 12 are arranged such that the longitudinal direction is along the vehicle width direction. The plurality of heat exchangers 11 and 12 for equipment are arranged side by side in the vehicle longitudinal direction. Among the plurality of heat exchangers 11 and 12 for equipment, one disposed on the front side of the vehicle is referred to as a heat exchanger 11 for first equipment, and one disposed on the rear side of the vehicle is a heat exchanger 12 for second equipment. I will call it.

In the eighth embodiment, the first gas phase passage 21 connects the junction 30 and the first device heat exchanger 11. The first connection portion 211 of the first gas phase passage 21 is connected to the upper header tank 111 of the first device heat exchanger 11 disposed on the front side of the vehicle. The first gas phase passage 21 has a portion 21 a extending from the first connection portion 211 to the front of the vehicle.

The second gas phase passage 22 connects the junction 30 and the second device heat exchanger 12. The second connection portion 221 of the second gas phase passage 22 is connected to the upper header tank 121 of the heat exchanger 12 for the second device disposed on the rear side of the vehicle. The first gas phase passage 21 and the second gas phase passage 22 merge at a merging portion 30. A junction passage 40 is connected between the junction 30 and the condenser.

Further, in the eighth embodiment, the device temperature adjusting unit 10 includes the plurality of device heat exchangers 11 and 12 provided at positions separated in the vehicle longitudinal direction, and the connection passage 61. The connection passage 61 connects the first connection portion 211 provided in the first device heat exchanger 11 and the second connection portion 221 provided in the second device heat exchanger 12.

In the eighth embodiment, when the device temperature adjustment unit 10 is inclined in the longitudinal direction of the vehicle, one of the first connection portion 211 and the second connection portion 221 is located on the upper side in the gravity direction, and the other is located on the lower side in the gravity direction. . Therefore, the working fluid evaporated in the plurality of device heat exchangers 11 and 12 is transferred from the first connection portion 211 or the second connection portion 221 located on the upper side in the direction of gravity via the connection passage 61 to the first gas phase passage 21. Or flows through at least one of the second gas phase passages 22 and flows into the condenser. The working fluid condensed by the condenser flows through the liquid phase passage 55 and flows into the plurality of equipment heat exchangers 11 and 12. Therefore, the eighth embodiment can also achieve the same function and effect as those of the first to seventh embodiments.

The ninth embodiment
The ninth embodiment will be described with reference to FIG. The ninth embodiment is different from the eighth embodiment in that the number of heat exchangers for equipment and the like are changed.

In the ninth embodiment, the device temperature adjustment unit 10 is configured by three or more device heat exchangers 11, 12, 13 and a connection passage 61. Also in the ninth embodiment, the device heat exchanger disposed at the foremost part in the direction in which the plurality of device heat exchangers 11, 12, 13 are arranged is called the first device heat exchanger 11, and is disposed at the rearmost part The device heat exchanger is called a second device heat exchanger 12. Further, the plurality of device heat exchangers disposed between the first device heat exchanger 11 and the second device heat exchanger 12 are all referred to as a third device heat exchanger 13.

The connection passage 61 connects one ends of the upper header tanks 111, 121, and 131 of the heat exchangers 11, 12, and 13 for the first to third devices. Specifically, the connection passage 61 includes a first connection portion 211 provided in the first device heat exchanger 11, a second connection portion 221 provided in the second device heat exchanger 12, and a third The 3rd connection part 231 provided in the heat exchanger 13 for apparatuses is connected.

In the ninth embodiment, the first connection portion 211 connecting the first gas phase passage 21 to the device temperature adjustment unit 10 is connected to the upper header tank 111 of the first device heat exchanger 11 disposed on the vehicle front side. doing. The first gas phase passage 21 has a portion 21 a extending from the first connection portion 211 to the front of the vehicle. Further, a second connection portion 221 connected to the device temperature adjustment unit 10 by the second gas phase passage 22 is connected to the upper header tank 121 of the second device heat exchanger 12 disposed on the rear side of the vehicle. That is, the first connection portion 211 and the second connection portion 221 are provided at positions far away from each other in the horizontal direction. The first gas phase passage 21 and the second gas phase passage 22 merge at the merging portion 30. A junction passage 40 is connected between the junction 30 and the condenser.

Also in the ninth embodiment, when the device temperature adjustment unit 10 is inclined in the longitudinal direction of the vehicle, one of the first connection portion 211 and the second connection portion 221 is located on the upper side in the gravity direction, and the other is located on the lower side in the gravity direction. . Therefore, the working fluid evaporated in the plurality of heat exchangers 11, 12 and 13 for equipment is transferred to the first gas phase from the first connection portion 211 or the second connection portion 221 located on the upper side in the direction of gravity via the connection passage 61. It flows through at least one of the passage 21 and the second gas phase passage 22 and flows into the condenser. The working fluid condensed by the condenser flows through the liquid phase passage 55 and flows into the plurality of equipment heat exchangers 11, 12, 13. Therefore, the ninth embodiment can also achieve the same function and effect as those of the first to eighth embodiments.

Tenth Embodiment
A tenth embodiment will be described with reference to FIG. The tenth embodiment is a modification of the eighth embodiment, in which parts of the configurations of the gas phase passage and the connection passage are changed.

In the tenth embodiment, the connection passage includes a first connection passage 61 and a second connection passage 62. The first connection passage 61 is an end on the right side in the vehicle width direction of the upper header tank 111 of the first device heat exchanger 11 and an end on the right side in the vehicle width direction of the upper header tank 121 of the second device heat exchanger 12. And are connected. The second connection passage 62 is a left end of the upper header tank 111 of the first device heat exchanger 11 in the vehicle width direction and an end of the left header of the upper header tank 121 of the second device heat exchanger 12 in the vehicle width direction. And are connected.

In the tenth embodiment, the first gas phase passage 21 is configured to include the first gas phase passage 21e on the right side in the vehicle width direction and the first gas phase passage 21f on the left side in the vehicle width direction.

The first gas phase passage 21e on the right side in the vehicle width direction connects the first junction 31 and the first-apparatus heat exchanger 11 disposed on the front side of the vehicle. The first connection portion 211 a of the first gas phase passage 21 e on the right side in the vehicle width direction is connected to a portion on the right side in the vehicle width direction of the upper header tank 111 of the heat exchanger 11 for the first device.

The first gas phase passage 21 f on the left side in the vehicle width direction connects the second junction 32 and the first-apparatus heat exchanger 11 disposed on the front side of the vehicle. The first connection portion 211 b of the first gas phase passage 21 f on the left side in the vehicle width direction is connected to a portion on the left side in the vehicle width direction of the upper header tank 111 of the heat exchanger 11 for the first device.

The second gas phase passage 22 is configured to include a second gas phase passage 22e on the right side in the vehicle width direction and a second gas phase passage 22f on the left side in the vehicle width direction.

The second gas phase passage 22e on the right side in the vehicle width direction connects the first junction 31 and the second-apparatus heat exchanger 12 disposed on the rear side of the vehicle. The second connection portion 211 a of the second gas phase passage 22 e on the right side in the vehicle width direction is connected to a portion on the right side in the vehicle width direction of the upper header tank 121 of the second device heat exchanger 12.

The second gas phase passage 22 f on the left side in the vehicle width direction connects the second junction 32 and the first-apparatus heat exchanger 12 disposed on the rear side of the vehicle. The second connection portion 221 b of the second gas phase passage 22 f on the left side in the vehicle width direction is connected to a portion on the left side in the vehicle width direction of the upper header tank 121 of the second device heat exchanger 12.

The first gas phase passage 21 e and the second gas phase passage 22 e on the right side in the vehicle width direction merge at the first joining portion 31. The first gas phase passage 21 f and the second gas phase passage 22 f on the left side in the vehicle width direction merge at the second joining portion 32. The first merging portion 31 and the second merging portion 32 are connected by a first merging passage 41. The middle of the first combined passage 41 and the condenser are connected by a second combined passage 42.

Note that one end of the lower header tank 112 of the first device heat exchanger 11 and one end of the lower header tank 122 of the second device heat exchanger 12 are connected by a first lower connection passage 71. The other end of the lower header tank 112 of the first device heat exchanger 11 and the other end of the lower header tank 122 of the second device heat exchanger 12 are connected by a second lower connection passage 72. The liquid phase passage 55 branches midway and is connected to the first lower connection passage 71 and the second lower connection passage 72.

In the tenth embodiment, when the device temperature adjustment unit 10 is inclined in the longitudinal direction of the vehicle, one of the first connection portions 211a and 211b or the second connection portions 221a and 221b is located on the upper side in the gravity direction, and the other is lower in the gravity direction. Located on the side.

Furthermore, in the tenth embodiment, when the device temperature adjustment unit 10 is inclined in the vehicle width direction, one of the connection portions 211a and 221a on the right side of the vehicle or the connection portions 211b and 221b on the left side of the vehicle is located above the gravity direction Is located below the direction of gravity. Therefore, the tenth embodiment can also achieve the same effects as those of the first to ninth embodiments. Furthermore, in the tenth embodiment, the first connection parts 211a and 211b and the second connection parts 221a and 221b are respectively provided at the four corners of the device temperature adjustment part 10, so that the front, rear, left, and right directions of the vehicle can be obtained. It is possible to cope with the inclination of

Eleventh Embodiment
The eleventh embodiment will be described with reference to FIG. The eleventh embodiment is different from the tenth embodiment in that the number of heat exchangers 11 for equipment and the like are changed.

In the eleventh embodiment, the device temperature adjustment unit 10 is configured of three or more device heat exchangers and connection passages 61 and 62. In the description of the eleventh embodiment, the heat exchanger for equipment disposed at the forefront of the direction in which the plurality of heat exchangers 11, 12 and 13 for equipment are arranged is called the first equipment heat exchanger 11, and The device heat exchanger to be disposed is referred to as a second device heat exchanger 12. Further, the plurality of device heat exchangers disposed between the first device heat exchanger 11 and the second device heat exchanger 12 are all referred to as a third device heat exchanger 13.

The first connection passage 61 connects end portions of the upper header tanks 111, 121, and 131 on the right side in the vehicle width direction of the heat exchangers 11, 12, and 13 for the first to third devices. The second connection passage 62 connects end portions on the left side in the vehicle width direction of the upper header tanks 111, 121, and 131 of the heat exchangers 11, 12, and 13 for the first to third devices.

Also in the eleventh embodiment, the first gas phase passage 21 is configured to include the first gas phase passage 21e on the right side in the vehicle width direction and the first gas phase passage 21f on the left side in the vehicle width direction.

The first gas phase passage 21e on the right side in the vehicle width direction connects the first junction 31 and the first-apparatus heat exchanger 11 disposed on the front side of the vehicle. The first connection portion 211 a of the first gas phase passage 21 e on the right side in the vehicle width direction is connected to a portion on the right side in the vehicle width direction of the upper header tank 111 of the heat exchanger 11 for the first device.

The first gas phase passage 21 f on the left side in the vehicle width direction connects the second junction 32 and the first-apparatus heat exchanger 11 disposed on the front side of the vehicle. The first connection portion 211 b of the first gas phase passage 21 f on the left side in the vehicle width direction is connected to a portion on the left side in the vehicle width direction of the upper header tank 111 of the heat exchanger 11 for the first device.

The second gas phase passage 22 is configured to include a second gas phase passage 22e on the right side in the vehicle width direction and a second gas phase passage 22f on the left side in the vehicle width direction.

The second gas phase passage 22e on the right side in the vehicle width direction connects the first junction 31 and the second-apparatus heat exchanger 12 disposed on the rear side of the vehicle. The second connection portion 211a of the second gas phase passage 22e on the right side in the vehicle width direction is connected to a portion on the right side in the vehicle width direction of the upper header tank 121 of the heat exchanger 12 for the second device.

The second gas phase passage 22 f on the left side in the vehicle width direction connects the second junction 32 and the first-apparatus heat exchanger 12 disposed on the rear side of the vehicle. The second connection portion 221 b of the second gas phase passage 22 f on the left side in the vehicle width direction is connected to a portion on the left side in the vehicle width direction of the upper header tank 121 of the second device heat exchanger 12. Therefore, the first connection parts 211a and 211b and the second connection parts 221a and 221b are provided as far as possible in the longitudinal direction of the vehicle in the direction in which the plurality of heat exchangers 11, 12 and 13 for equipment are arranged. .

The first gas phase passage 21 e and the second gas phase passage 22 e on the right side in the vehicle width direction merge at the first joining portion 31. The first gas phase passage 21 f and the second gas phase passage 22 f on the left side in the vehicle width direction merge at the second joining portion 32. The first merging portion 31 and the second merging portion 32 are connected by a first merging passage 41. The middle of the first combined passage 41 and the condenser are connected by a second combined passage 42.

The end portions on the right side in the vehicle width direction of the lower header tanks 112, 122 and 132 of the heat exchangers 11, 12 and 13 for the first to third devices are connected by the first lower connection passage 71. End portions on the left side in the vehicle width direction of the lower header tanks 112, 122 and 132 of the heat exchangers 11, 12 and 13 for the first to third devices are connected by a second lower connection passage 72. The liquid phase passage 55 branches midway and is connected to the first lower connection passage 71 and the second lower connection passage 72.

The eleventh embodiment can also achieve the same function / effect as the first to tenth embodiments. Furthermore, also in the eleventh embodiment, the first and second connection portions 211a, 211b, 211a and 221b of the first and second gas phase passages 21 and 22 are provided at the four corners of the device temperature adjustment unit 10, respectively. Thus, it is possible to cope with the inclination in any of the front, rear, left, and right directions of the vehicle.

(Twelfth embodiment)
A twelfth embodiment will be described with reference to FIG. The twelfth embodiment is different from the eighth embodiment etc. in the direction in which the plurality of device heat exchangers 11 and 12 are arranged.

In the twelfth embodiment, the plurality of device heat exchangers 11 and 12 are aligned in the longitudinal direction of the device heat exchangers 11 and 12. Further, the plurality of device heat exchangers 11 and 12 are disposed along the longitudinal direction of the vehicle. The connection passage 61 is an end portion on the vehicle rear side of the upper header tank 111 of the first device heat exchanger 11 and an end portion on the vehicle front side of the upper header tank 121 of the second device heat exchanger 12. Are linked.

In the twelfth embodiment, the first gas phase passage 21 connects the merging portion 30 and the first-apparatus heat exchanger 11 disposed on the front side of the vehicle. The first connection portion 211 of the first gas phase passage 21 is provided at an end of the upper header tank 111 of the first device heat exchanger 11 on the front side of the vehicle.

The second gas phase passage 22 connects the merging portion 30 and the second-apparatus heat exchanger 12 disposed on the rear side of the vehicle. The second connection portion 221 of the second gas phase passage 22 is provided at an end portion of the upper header tank 121 of the second device heat exchanger 12 on the vehicle rear side. Therefore, the first connection portion 211 and the second connection portion 221 are provided as far as possible in the longitudinal direction of the vehicle in the direction in which the heat exchangers 11 and 12 for equipment are arranged. The third gas phase passage 23 connects the end portion on the vehicle rear side of the upper header tank 111 of the first equipment heat exchanger 11 and the second gas phase passage 22. The third gas phase passage 23 may be omitted.

The first gas phase passage 21 and the second gas phase passage 22 merge at a merging portion 30. A junction passage 40 is connected between the junction 30 and the condenser.

The other end of the lower header tank 112 of the first device heat exchanger 11 and one end of the lower header tank 122 of the second device heat exchanger 12 are connected by the lower connection passage 70. The liquid phase passage 55 is connected to one end of the lower header tank 112 of the first device heat exchanger 11.

Also in the twelfth embodiment, when the device temperature adjustment unit 10 is inclined to the first device heat exchanger 11 side or the second device heat exchanger 12 side, one of the first connection portion 211 and the second connection portion 221 is It is located on the upper side in the direction of gravity, and the other is located on the lower side in the direction of gravity. Therefore, the twelfth embodiment can also achieve the same effects as those of the first to eleventh embodiments.

(13th Embodiment)
A thirteenth embodiment will be described with reference to FIG. The thirteenth embodiment is the one in which the number, arrangement, and the like of the heat exchangers for equipment are changed with respect to the eighth embodiment and the like.

In the thirteenth embodiment, the device temperature adjustment unit 10 is configured by four device heat exchangers 11 to 14 and a connection passage 61. In the thirteenth embodiment, of the plurality of heat exchangers for equipment, the heat exchangers for two equipment disposed on the front side of the vehicle are the heat exchanger 11 for the first equipment, the heat exchanger for the second equipment Call it 12 The two device heat exchangers disposed on the rear side of the vehicle are referred to as a third device heat exchanger 13 and a fourth device heat exchanger 14.

In the thirteenth embodiment, in the first gas phase passage 21, a portion 21a extending from the merging portion 30 is branched into one first gas phase passage 21c and the other first gas phase passage 21d via the branch portion 21b. . The first connection portion 211 a of the one first gas phase passage 21 c is connected to the upper header tank 111 of the first device heat exchanger 11. The first connection portion 211 b of the other first gas phase passage 21 d is connected to the upper header tank 121 of the second device heat exchanger 12.

Further, the second gas phase passage 22 branches from the merging portion 30 to one second gas phase passage 22c and the other second gas phase passage 22d via the branch portion 22b. The second connection portion 221 a of one second gas phase passage 22 c is connected to the upper header tank 131 of the third device heat exchanger 13. The second connection portion 221 b of the other second gas phase passage 22 d is connected to the upper header tank 141 of the fourth device heat exchanger 14.

The connection passage 61 connects the branch portion 21 b of the first gas phase passage 21 and the branch portion 22 b of the second gas phase passage 22.

The liquid phase passage 55 is connected to the lower header tanks 112, 122, 132, 142 of the heat exchangers 11 to 14 for the first to fourth devices.

Also in the thirteenth embodiment, when the device temperature adjustment unit 10 is inclined to the first device heat exchanger 11 side or the third device heat exchanger 13 side, the first connection portions 211a and 211b and the second connection portion 221a, One of 221 b is located on the upper side in the gravity direction, and the other is located on the lower side in the gravity direction. Therefore, the thirteenth embodiment can also achieve the same function and effect as those of the first to twelfth embodiments.

Fourteenth Embodiment
A fourteenth embodiment will be described with reference to FIG. The fourteenth embodiment is different from the thirteenth embodiment etc. in the direction in which the plurality of heat exchangers 11 to 14 for equipment are arranged.

Also in the fourteenth embodiment, the device temperature adjustment unit 10 is configured by four device heat exchangers 11 to 14. The plurality of device heat exchangers 11 to 14 are arranged such that the longitudinal direction is along the longitudinal direction of the vehicle. Also in the description of the fourteenth embodiment, among the plurality of apparatus heat exchangers, the two apparatus heat exchangers disposed on the front side of the vehicle are the first apparatus heat exchanger 11 and the second apparatus heat exchanger. Call it 12 The two device heat exchangers disposed on the rear side of the vehicle are referred to as a third device heat exchanger 13 and a fourth device heat exchanger 14.

In the fourteenth embodiment, the first gas phase passage 21 connects the junction 30 and a portion on the vehicle front side among the heat exchangers 11 to 14 for the first to fourth devices. In the first gas phase passage 21, a portion 21a extending from the merging portion 30 is branched into three first gas phase passages 21c, 21d and 21e via a branch portion 21b. The first connection portion 211 a of the one first gas phase passage 21 c is connected to a portion on the vehicle front side of the upper header tank 111 of the first device heat exchanger 11. The first connection portion 211 b of the other first gas phase passage 21 d is connected to a portion on the vehicle front side of the upper header tank 121 of the second device heat exchanger 12.

Still another first gas phase passage 21 e is branched into two first gas phase passages 21 g and 21 h via a branch portion 21 f. The first connection portion 211 c of the one first gas phase passage 21 g is connected to a portion on the vehicle front side of the upper header tank 121 of the third device heat exchanger 13. The first connection portion 211 d of the other first gas phase passage 21 h is connected to a portion of the upper header tank 141 of the fourth device heat exchanger 14 on the front side of the vehicle.

The second gas phase passage 21 connects the merging portion 30 and the portion on the vehicle rear side among the heat exchangers 11 to 14 for the first to fourth devices. In the second gas phase passage 22, a portion 22a extending from the merging portion 30 is branched into three second gas phase passages 22c, 22d and 22e via a branch portion 22b. The second connection portion 221 a of the one second gas phase passage 22 c is connected to a portion on the vehicle rear side of the upper header tank 111 of the first device heat exchanger 11. The second connection portion 221 b of another second gas phase passage 22 d is connected to a portion on the vehicle rear side of the upper header tank 121 of the second device heat exchanger 12.

Still another second gas phase passage 22e branches into two second gas phase passages 22g and 22h via a branch portion 22f. The second connection portion 221 c of the one second gas phase passage 22 g is connected to a portion on the vehicle rear side of the upper header tank 131 of the third device heat exchanger 13. The second connection portion 221 d of another second gas phase passage 22 h is connected to a portion on the vehicle rear side of the upper header tank 141 of the fourth device heat exchanger 14.

The first gas phase passage 21 and the second gas phase passage 22 are connected at the junction 30. The junction 30 and the condenser are connected by a junction passage 40.

The liquid phase passage 55 is connected to the lower header tanks 112, 122, 132, 142 of the heat exchangers 11 to 14 for the first to fourth devices.

Also in the fourteenth embodiment, when the device temperature adjustment unit 10 is inclined in any direction, either the first connection portion 211 or the second connection portion 221 is located on the upper side in the gravity direction. Therefore, the fourteenth embodiment can also achieve the same function and effect as those of the first to thirteenth embodiments.

(Fifteenth embodiment)
The fifteenth embodiment will be described with reference to FIG. The fifteenth embodiment describes an example of a method of installing the battery 2 in the device heat exchanger 11. In the fifteenth embodiment, the battery 2 is installed such that the surface 5 provided with the terminal 4 faces upward in the direction of gravity. In the battery 2, a surface perpendicular to the surface 5 on which the terminal 4 is provided is installed in the heat exchange portion 113 via the heat conductive sheet 114. Thus, the installation method of the battery 2 can be set arbitrarily.

Sixteenth Embodiment
The sixteenth embodiment will be described with reference to FIG. The sixteenth embodiment describes an example of a method of installing the device heat exchanger 11 and the battery 2. In the sixteenth embodiment, a plurality of device heat exchangers 11 are installed so as to sandwich both sides of the battery 2. Therefore, the area of the battery 2 in thermal contact with the heat exchange unit 113 via the heat conduction sheet 114 is increased. Therefore, according to the device heat exchanger 11 and the method of installing the battery 2 of the sixteenth embodiment, it is possible to enhance the cooling capacity of the battery 2.

(Seventeenth embodiment)
A seventeenth embodiment will be described with reference to FIGS. 25 and 26. The seventeenth embodiment describes an example of the arrangement of the first gas phase passage 21 and the second gas phase passage 22. The second gas phase passage 22 extends along the upper header tank 111 so as to be in contact with or adjacent to the upper header tank 111, and further extends along the first gas phase passage 21. It extends in contact with or adjacent to the passage 21. A portion of the first gas phase passage 21 and at least a portion of the second gas phase passage 22 constitute a parallel portion 25 extending in a state of being in contact with or adjacent to each other. The upper header tank 111 and a part of the second gas phase passage 22 also constitute a parallel portion 251 extending in a state of being in contact with or adjacent to each other. As a result, the area occupied by the first gas phase passage 21 and the second gas phase passage 22 is reduced. Further, it is also possible to assemble the first gas phase passage 21 and the second gas phase passage 22 together to a vehicle or the like. For example, it is possible to attach the gas pipe that constitutes the first gas phase passage 21 and the gas pipe that constitutes the second gas phase passage 22 to the vehicle body using a common mounting bracket. Alternatively, it is also possible to form two flow paths in one piping member, set one flow path as the first gas phase passage 21, and set the other flow path as the second gas phase passage 22. Therefore, the device temperature control device 1 can improve the mountability to the vehicle or the like and the assemblability.

Eighteenth Embodiment
An eighteenth embodiment will be described with reference to FIGS. 27 to 29. The eighteenth embodiment also describes an example of the arrangement of the first gas phase passage 21 and the second gas phase passage 22. The pipe constituting the second gas phase passage 22 is provided inside the upper header tank 111, and is further provided inside the pipe constituting the first gas phase passage 21. A portion of the first gas phase passage 21 and at least a portion of the second gas phase passage 22 form a double piping structure 26 in which the other piping is provided inside the one piping. The upper header tank 111 and part of the second gas phase passage 22 also have a double piping structure 261 in which the second gas phase passage 22 is provided inside the upper header tank 111. As a result, the area occupied by the first gas phase passage 21 and the second gas phase passage 22 is reduced. Moreover, it is also possible to assemble | attach the 1st gas-phase channel 21 and the 2nd gas-phase channel 22 which became double piping structure 26 with respect to the vehicle etc. together. Therefore, the device temperature control device 1 can improve the mountability to the vehicle or the like and the assemblability.

Nineteenth Embodiment
A nineteenth embodiment will be described with reference to FIGS. 30 and 31. In the nineteenth embodiment, the flow passage area adjustment valve 80 is provided in the gas phase passage. The flow passage area adjustment valve 80 is a member that regulates the flow of the working fluid in the liquid phase from the connection side of the gas phase passage to the merging portion 30 side. In the nineteenth embodiment, the flow passage area adjustment valve 80 is provided in the first gas phase passage 21. The flow path area adjustment valve 80 regulates the flow of the working fluid in the liquid phase from the first connection portion 211 side of the first gas phase passage 21 to the merging portion 30 side.

In the case where the flow passage area adjustment valve 80 is provided in the second gas phase passage 22, the flow passage area adjustment valve 80 flows the working fluid flow of the liquid phase from the second connection portion 221 side to the merging portion 30 side. regulate.

The flow passage area adjustment valve 80 of the nineteenth embodiment is a solenoid valve driven by a drive signal transmitted from the control device 81. The controller 81 transmits a drive signal to the flow passage area adjusting valve 80 when the inclination of the device temperature adjusting unit 10 is detected by the inclination sensor 82 that detects the inclination of the device temperature adjusting unit 10. Specifically, as shown in FIG. 31, when the device temperature control apparatus 1 is inclined such that the first connection portion 211 is lower than the second connection portion 221 as shown in FIG. Transmit the drive signal. When the drive signal is transmitted to the flow passage area adjustment valve 80, the flow passage area adjustment valve 80 causes the flow of the working fluid in the liquid phase from the first connection portion 211 side of the first gas phase passage 21 to the condenser 50 side. Regulate. In FIG. 31, hatching is given to the area | region with which the equipment temperature control apparatus 1 is filled with the working fluid of a liquid phase, when the flow-path area adjustment valve 80 operate | moves. As shown in FIG. 31, the flow of the working fluid in the liquid phase is restricted by the flow path area adjustment valve 80, so that the merging portion 30 is prevented from being submerged. Therefore, the flow of the working fluid in the gas phase from the second gas phase passage 22 toward the merging passage 40 via the merging portion 30 is secured. Therefore, the equipment temperature control apparatus 1 can improve the mounting property to a vehicle etc. by lowering | hanging the position of the confluence | merging part 30. FIG.

In addition, when the device temperature adjustment device 1 is inclined, the flow of the working fluid in the liquid phase is regulated by the flow passage area adjustment valve 80, so that the liquid flowing out from the device heat exchanger 11 to the first gas phase passage 21 The amount of phase working fluid is reduced. When the device temperature control device 1 is inclined, the reduction of the working fluid in the liquid phase inside the device heat exchanger 11 is suppressed. Therefore, the device temperature control device 1 can improve the cooling performance of the battery 2 and can suppress the temperature distribution of the battery cells 3 from becoming large.

Furthermore, the flow passage area adjustment valve 80 of the nineteenth embodiment operates in accordance with a control signal of the control device 81 when the inclination of the device temperature adjustment device 1 is detected by the inclination sensor 82. Therefore, the flow passage area adjusting valve 80 reliably operates in accordance with the inclination of the device temperature adjusting device 1. Therefore, the flow passage area adjustment valve 80 can reliably restrict the flow of the working fluid in the liquid phase from the connection side of the gas phase passage to the merging portion 30 side.

(Twentieth embodiment)
A twentieth embodiment will be described with reference to FIG. 32 and FIG. The twentieth embodiment is a modification of the flow passage area adjustment valve described in the nineteenth embodiment.
The flow passage area adjustment valve 83 of the twentieth embodiment has a valve seat 84 and a valve body 85. The valve seat 84 is provided on the inner wall of the gas phase passage 21. The valve body 85 is a ball valve disposed in a flow path closer to the connection portion than the valve seat 84. The ball valve disengages from the valve seat 84 when the connection portion 211 of the gas phase passage 21 is lower than the valve seat 84 in the gravity direction. Further, as shown in FIG. 33, when the connection portion 211 of the gas phase passage 21 is above the valve seat 84 in the gravity direction, the ball valve is seated on the valve seat 84 by its own weight. Also according to this configuration, when the flow passage area adjustment valve 83 is lower in the merging portion 30 side than the connection portion side of the gas phase passage, the flow of the working fluid in the liquid phase from the connection portion side of the gas phase passage to the merging portion 30 side It is possible to regulate Therefore, in the twentieth embodiment, the configuration of the flow passage area adjustment valve 83 can be simplified.

(Twenty-first embodiment)
A twenty-first embodiment will be described with reference to FIGS. 34 and 35. The twenty-first embodiment is also a modification of the flow passage area adjustment valve described in the nineteenth embodiment.

The flow passage area adjustment valve 86 of the twenty-first embodiment also has a valve seat 87 and a valve body 88. The valve seat 87 is provided on the inner wall of the gas phase passage. The valve body 88 is a float valve formed of a material whose mass is smaller than that of the liquid phase working fluid. As shown in FIG. 34, the float valve is separated from the valve seat 87 by its own weight when the gas phase working fluid flows in the gas phase passage 21. Further, as shown in FIG. 35, the float valve is seated on the valve seat 87 by buoyancy when the working fluid in the liquid phase flows in the gas phase passage 21. In addition, in FIG. 35, the hatching of the broken line is attached to the area | region which the working fluid of a liquid phase is full. Also with this configuration, the flow path area adjustment valve 86 can regulate the flow of the working fluid in the liquid phase from the connection portion 211 side of the gas phase passage 21 to the merging portion 30 side. Therefore, in the twenty-first embodiment, the structure of the flow passage area adjustment valve 86 can be simplified.

(Twenty-second embodiment)
A twenty-second embodiment will be described with reference to FIGS. 36 to 38. The twenty-second embodiment is a combination of the eighth embodiment and the seventeenth embodiment.

In the twenty-second embodiment, the first gas phase passage 21 and the second gas phase passage 22 extend in an abutting or adjacent state. Further, the connection passage 61 and the second gas phase passage 22 also extend in an abutting or adjacent state.

The first gas phase passage 21 and the second gas phase passage 22 constitute parallel portions 25 extending in a state of being in contact with or adjacent to each other. Further, the connection passage 61 and the second gas phase passage 22 also constitute parallel portions 251 extending in a state of being in contact with or adjacent to each other. As a result, the area occupied by the first gas phase passage 21, the second gas phase passage 22, and the connection passage 61 is reduced. Further, it is also possible to assemble the first gas phase passage 21, the second gas phase passage 22, and the connection passage 61 together to a vehicle or the like.

In addition, it is possible to form two flow paths in one piping member, set one flow path as the first gas phase passage 21 or the connection passage 61, and set the other flow path as the second gas phase passage 22. It is. Thereby, the device temperature control apparatus 1 can improve the mounting property to a vehicle etc., and an attachment property.

(Twenty-third embodiment)
A twenty-third embodiment will be described with reference to FIGS. 39 to 41. The twenty-third embodiment is a combination of the eighth and eighteenth embodiments.

In the twenty-third embodiment, the pipe constituting the second gas phase passage 22 is provided inside the pipe constituting the first gas phase passage 21 and the connection passage 61. The first gas phase passage 21, the connection passage 61 and the second gas phase passage 22 form a double piping structure 26 in which the other piping is provided inside one piping. As a result, the area occupied by the first gas phase passage 21, the connection passage 61 and the second gas phase passage 22 is reduced. In addition, it is also possible to assemble the first gas phase passage 21, the connection passage 61 and the second gas phase passage 22 which have the double piping structure 26 to a vehicle or the like together. Therefore, the device temperature control device 1 can improve the mountability to the vehicle or the like and the assemblability.

(Other embodiments)
The present disclosure is not limited to the embodiments described above, and can be modified as appropriate. Further, the above embodiments are not irrelevant to each other, combination unless obviously impossible, can be appropriately combined. In each of the above embodiments, the elements constituting the embodiments, unless such case considered if explicitly and in principle clearly essential to be essential, it is not necessarily indispensable needless to say Yes. Further, in the above embodiments, when numerical values such as the number, numerical value, amount, range, etc. of constituent elements of the embodiment are mentioned, it is clearly indicated that they are particularly essential and clearly limited to a specific number in principle. It is not limited to the specific number except when it is done. In each of the above embodiments, the shape of the components, when referring to a positional relationship or the like, except in particular clearly the case and principle specific shape, etc. If to be limited to the positional relationship or the like, the shape, It is not limited to the positional relationship and the like.

(1) In each of the above-described embodiments, the battery 2 has been described as an example of the target device whose temperature is adjusted by the device temperature adjustment device 1. On the other hand, in another embodiment, the target device whose temperature is adjusted by the device temperature adjustment device 1 may be another device that requires cooling or warming up, such as a motor, an inverter, or a charger.

(2) In the above embodiments, the configuration in which the device temperature control device 1 has a function of cooling the target device has been described. On the other hand, in another embodiment, the device temperature control device 1 may have a function of warming up the target device. In that case, it is possible to provide a heating mechanism for heating the working fluid in the middle of the gas phase passage and the liquid phase passage connecting the inflow portion and the outflow portion provided in the heat exchanger for equipment. The working fluid heated and evaporated by the heating mechanism flows from the outlet to the heat exchanger for equipment through the gas phase passage. The working fluid which dissipates heat and condenses to the battery 2 in the heat exchanger for equipment flows from the inflow portion to the heating mechanism through the liquid phase passage due to the head difference. By circulating such a working fluid, the device temperature control apparatus 1 can warm up the target device.

(3) In the above-mentioned embodiment, although the example which employ | adopts a fluorocarbon system refrigerant | coolant was demonstrated as working fluid, it is not this limitation. The working fluid may employ other fluids such as propane and carbon dioxide, for example.

(4) In the above-described embodiment, the plurality of gas phase passages 21 and 22 are connected by the junction 30, and the junction 30 and the condenser 50 are connected by the junction 40. On the other hand, in another embodiment, the apparatus temperature adjusting unit 10 and the condenser 50 may be connected by a plurality of gas phase passages 21 and 22 without providing the merging portion 30 and the merging passage 40. .

(5) In the embodiment described above, the enclosed amount of the working fluid is adjusted so that the fluid level FL of the working fluid is located in the middle of the heat exchanger 11 for the device when the device temperature adjusting unit 10 is in the horizontal state. . On the other hand, in another embodiment, when the device temperature control unit 10 is in the horizontal state, the amount of the working fluid enclosed may be adjusted so that the fluid level FL of the working fluid is located in the middle of the gas phase passage. Good.

(Summary)
According to a first aspect of the present invention described in part or all of the above-described embodiments, an apparatus temperature control apparatus for adjusting the temperature of a target apparatus by phase change between a liquid phase and a gas phase of a working fluid includes: , A condenser, a liquid phase passage, and a plurality of gas phase passages. The device temperature control unit includes one or more device heat exchangers configured to allow heat exchange between the target device and the working fluid so that the working fluid evaporates when the target device is cooled. The condenser dissipates the gas phase working fluid and causes the condensed liquid phase working fluid to flow out. The liquid phase passage allows the working fluid in the liquid phase to flow between the condenser and the device temperature control unit. The plurality of gas phase passages allow the gas phase working fluid to flow between the device temperature control unit and the condenser. The first connection portion in which the first gas phase passage is connected to the device temperature adjustment unit among the plurality of gas phase passages and the second connection portion in which the second gas phase passage is connected to the device temperature adjustment portion are horizontally separated Located in the

According to the second aspect, the device temperature control device is mounted on a vehicle, and the first connection portion and the second connection portion are located at places separated in the vehicle longitudinal direction.
According to this, the device temperature control device corresponds to the inclination in the longitudinal direction of the vehicle. The inclination in the longitudinal direction of the vehicle is likely to be maintained for a long time, as when climbing a vehicle. Further, as in a scene such as acceleration and deceleration, a state in which an inertial force in the longitudinal direction of the vehicle acts is likely to be maintained for a long time. The device temperature controller can operate continuously in such a scene, and the battery can be continuously cooled.

According to the third aspect, when the device temperature adjustment unit is in the horizontal state, the liquid level of the working fluid is positioned halfway in the height direction of the device heat exchanger, and the first connection portion and the second connection portion are The enclosed amount of the working fluid is adjusted so as to be located above the liquid level of the working fluid in the device temperature control unit.
According to this, the degassing property of the first connection portion or the second connection portion is improved. That is, the pressure loss of the working fluid in the gas phase flowing from the device temperature adjustment unit to the first gas phase passage or the second gas phase passage via the first connection portion or the second connection portion is reduced. Therefore, the device temperature control apparatus can improve the cooling performance of the target device by improving the circulation of the working fluid of the thermosiphon circuit.

According to the fourth aspect, when the device temperature adjustment unit is inclined at a predetermined angle, the liquid level of the working fluid is on the upper side of one of the first connection portion or the second connection portion, and the first connection portion or the second connection is The amount of working fluid enclosed is adjusted so that it is under the other of the parts.
According to this, when the device temperature control unit is inclined, the working fluid evaporated in the device heat exchanger is transferred from the first connection portion or the second connection portion located above the liquid level to the first gas phase passage or It flows into the second gas phase passage. Therefore, the device temperature control apparatus can improve the cooling performance of the target device by improving the circulation of the working fluid of the thermosiphon circuit.

According to the fifth aspect, the gas phase passage includes the junction and the junction. The merging portion merges the working fluid flowing in the first gas phase passage with the working fluid flowing in the second gas phase passage. The merging passage allows the gas phase working fluid to flow between the merging portion and the condenser. The merging portion is provided on the upper side in the gravity direction than the first connection portion and the second connection portion.
According to this, the device temperature control apparatus is configured to connect between the merging portion and the condenser by the merging passage, so that all of the device temperature adjusting portion and the condenser are connected by the plurality of gas phase passages. The number of pipes can be reduced compared to the configuration described above.
In addition, by providing the merging portion above the first connection portion and the second connection portion in the direction of gravity, it is possible to suppress liquid immersion of the merging portion when the device temperature adjustment portion is inclined. If the junction is submerged, if the device temperature control unit is inclined, it may be difficult for the working fluid in the gas phase flowing in the first gas phase passage or the second gas phase passage to pass through the junction portion is there. On the other hand, if the junction portion is not submerged when the device temperature adjustment portion is inclined, the working fluid in the gas phase flowing through the first gas phase passage or the second gas phase passage easily passes through the junction portion. , Flows to the condenser. Therefore, the device temperature control apparatus can improve the cooling performance of the target device by improving the circulation of the working fluid of the thermosiphon circuit.

According to the sixth aspect, when the device temperature control unit is inclined at a predetermined angle, the enclosed amount of the working fluid is adjusted such that the fluid level of the working fluid is below the merging portion.
According to this, when the device temperature adjustment unit is inclined, it is possible to prevent the junction from being submerged.

According to the seventh aspect, the first connection portion and the second connection portion are provided at positions separated in the horizontal direction of one device heat exchanger.
According to this, when the heat exchanger for equipment is inclined, the working fluid evaporated in the heat exchanger for equipment is transferred from the first connection portion or the second connection portion located on the upper side in the gravity direction to the first gas phase passage or It flows through the second gas phase passage and flows into the condenser. Therefore, the device temperature adjusting device can cool the target device even when the device temperature adjusting unit is inclined.

According to the eighth aspect, the device heat exchanger has a shape having a longitudinal direction and a short direction as viewed from the direction of gravity, and is in direct thermal contact with the target device or indirectly through the heat conducting member. It has a heat exchange part. The first connection portion and the second connection portion are provided at positions longitudinally outside the heat exchange portion in the device heat exchanger.
According to this, in one heat exchanger for apparatus, the first connection portion and the second connection portion are provided at positions largely separated in the horizontal direction. Therefore, even when the heat exchanger for equipment is greatly inclined, the working fluid of the gas phase evaporated in the heat exchanger for equipment is transferred from the first connection portion or the second connection portion to the first gas phase passage or the second gas phase passage It is possible to

According to the ninth aspect, the first connection portion is provided at a position forward of the heat exchange portion of the heat exchanger for the device. The second connection portion is provided at a position on the vehicle rear side of the heat exchange portion in the device heat exchanger. The first gas phase passage has a portion extending upward or forward of the vehicle from the first connection portion, and the second gas phase passage has a portion extending upward or rearward of the vehicle from the second connection portion.
According to this, when the portion extending to the upper side or the front side of the vehicle from the first connection portion in the first gas phase passage is inclined upward, the first gas phase passage is higher than the heat exchange portion of the heat exchanger for equipment Does not go down relatively. Therefore, at the time of such inclination, the gas phase refrigerant evaporated in the heat exchange part of the heat exchanger for equipment becomes easy to be led to the first gas phase passage.
Also, when the second gas phase passage is inclined so that the portion extending upward or forward from the second connection portion is upward, the second gas phase passage is relative to the heat exchange portion of the heat exchanger for equipment It does not go down. Therefore, at the time of such inclination, the gas phase refrigerant evaporated in the heat exchange part of the heat exchanger for equipment becomes easy to be led to the second gas phase passage.

According to the tenth aspect, the device temperature adjusting unit is provided in any one of the plurality of device heat exchangers and the plurality of device heat exchangers provided at positions separated in the vehicle longitudinal direction. It has the connection passage which connects 1st connection part and 2nd connection part.
According to this, when the several apparatus heat exchanger which an apparatus temperature adjustment part inclines, one side of a 1st connection part and a 2nd connection part is located in a gravity direction upper side, and a 1st connection part and a 2nd connection The other of the parts is located below the direction of gravity. Therefore, the working fluid evaporated in the plurality of equipment heat exchangers passes the first gas phase passage or the second gas phase passage from the first connection portion or the second connection portion located on the upper side in the gravity direction via the connection passage. Flow into the condenser. Therefore, the device temperature adjusting device can cool the target device even when the plurality of device heat exchangers are inclined.

According to the eleventh aspect, the first connection portion is provided to a predetermined device heat exchanger disposed on the vehicle front side among the plurality of device heat exchangers. The second connection portion is provided to another device heat exchanger disposed on the rear side of the vehicle among the plurality of device heat exchangers. The first gas phase passage has a portion extending upward or forward of the vehicle from the first connection portion. The second gas phase passage has a portion extending upward or rearward of the vehicle from the second connection portion.
According to this, also in the eleventh aspect, it is possible to exhibit the same operational effects as the operational effects described in the ninth aspect.

According to the twelfth aspect, at least a portion of the first gas phase passage or the second gas phase passage and the connection passage constitute a parallel portion extending in a state of being in contact with or adjacent to each other.
According to this, the area occupied by the first gas phase passage or the second gas phase passage and the connection passage becomes smaller. In addition, it is also possible to assemble the first gas phase passage or the second gas phase passage and the connection passage together with a vehicle or the like. Therefore, this apparatus temperature control apparatus can improve the mounting property to a vehicle etc., and an attachment property.

According to the thirteenth aspect, at least a portion of the first gas phase passage and at least a portion of the second gas phase passage form parallel portions extending in a state of being in contact with or adjacent to each other.
According to this, the area occupied by the first gas phase passage and the second gas phase passage becomes smaller. In addition, it is also possible to assemble the first gas phase passage and the second gas phase passage together to a vehicle or the like. Therefore, this apparatus temperature control apparatus can improve the mounting property to a vehicle etc., and an attachment property.

According to the fourteenth aspect, at least a part of the first gas phase passage or the second gas phase passage and the connection passage have a double pipe structure in which the other pipe is provided inside the one pipe. .
According to this, the area occupied by the first gas phase passage or the second gas phase passage and the connection passage becomes smaller. Moreover, it is also possible to assemble | attach the 1st gas phase passage or 2nd gas phase passage and connection path which became a double piping structure with respect to the vehicle etc. together. Therefore, this apparatus temperature control apparatus can improve the mounting property to a vehicle etc., and an attachment property.

According to the fifteenth aspect, at least a portion of the first gas phase passage and at least a portion of the second gas phase passage have a double piping structure in which the other piping is provided inside the one piping. .
According to this, the area occupied by the first gas phase passage and the second gas phase passage becomes smaller. Moreover, it is also possible to assemble | attach the 1st gas phase passage and 2nd gas phase passage which became a double piping structure with respect to the vehicle etc. together. Therefore, this apparatus temperature control apparatus can improve the mounting property to a vehicle etc., and an attachment property.

According to the sixteenth aspect, the device temperature adjusting device is provided in the first gas phase passage or the second gas phase passage, and the flow of the working fluid in the liquid phase from the connection portion side of the gas phase passage to the merging portion side It has a flow path area adjustment valve that regulates.
According to this, when the device temperature adjustment unit is inclined, the flow of the working fluid in the liquid phase from the connection portion side of the first connection portion and the second connection portion located on the lower side in the gravity direction is restricted. As a result, the junction is prevented from being submerged. Therefore, the flow of the working fluid of the gaseous phase which goes to a confluence passage via a confluence part from the connection part side located in gravity direction upper side among the 1st connection part and the 2nd connection part is secured. Therefore, the equipment temperature control apparatus can improve the mounting property to a vehicle etc. by lowering the position of the junction.
In addition, when the device temperature adjustment unit is inclined, the working fluid in the liquid phase flowing from the connection portion located on the lower side in the direction of gravity of the first connection portion and the second connection portion to the gas phase passage is a flow passage area adjustment valve. Flow is regulated. Therefore, when the device temperature control unit is inclined, it is possible to reduce the amount of liquid working fluid flowing from the device heat exchanger to the gas phase passage. Therefore, since the decrease in the working fluid in the liquid phase of the heat exchanger for equipment is suppressed, the equipment temperature control apparatus can improve the cooling performance of the target equipment.

According to the seventeenth aspect, the device temperature adjusting device further includes a tilt sensor that detects the tilt of the device temperature adjusting unit. When the inclination of the device temperature adjustment unit is detected by the inclination sensor, the flow passage area adjustment valve regulates the flow of the working fluid in the liquid phase from the connection side of the gas phase passage to the condenser side.
According to this, since the flow passage area adjustment valve operates corresponding to the inclination of the device temperature adjustment unit, the flow passage area adjustment valve operates the working fluid of the liquid phase from the connection portion side of the gas phase passage to the merging portion side Flow can be reliably regulated.

According to the eighteenth aspect, the flow passage area adjustment valve has a valve seat and a valve body. The valve seat is provided on the inner wall of the gas phase passage. The valve element is seated on the valve seat by its own weight when the connection of the gas phase passage is above the valve seat in the direction of gravity, and from the valve seat when the connection of the gas phase passage is below the valve seat in the direction of gravity Take a break. According to this, the configuration of the flow passage area adjustment valve can be simplified.

According to a nineteenth aspect, the flow passage area adjustment valve has a valve seat and a valve body. The valve seat is provided on the inner wall of the gas phase passage. The valve body floats on the valve seat when the liquid phase working fluid flows in the gas phase passage, and leaves the valve seat when the gas phase working fluid flows in the gas phase passage. According to this, the configuration of the flow passage area adjustment valve can be simplified.

According to the twentieth aspect, the device temperature adjusting device for adjusting the temperature of the target device by the phase change between the liquid phase and the gas phase of the working fluid comprises the device temperature adjusting unit, the condenser, the liquid phase passage, and the plurality of gas phases. A passage and a connection passage are provided. The device temperature control unit has a plurality of device heat exchangers and a connection passage. The plurality of device heat exchangers are configured to be able to exchange heat between the target device and the working fluid so that the working fluid evaporates when the target device is cooled. The connection passage connects the plurality of device heat exchangers to each other. The condenser dissipates the gas phase working fluid and causes the condensed liquid phase working fluid to flow out. The liquid phase passage causes the working fluid in the liquid phase to flow between the plurality of instrument heat exchangers and the condenser. The plurality of gas phase passages allow the gas phase working fluid to flow between the plurality of equipment heat exchangers and the condenser. The first connection portion in which the first gas phase passage is connected to the device temperature adjustment unit among the plurality of gas phase passages and the second connection portion in which the second gas phase passage is connected to the device temperature adjustment portion are horizontally separated Located in the The first connection portion and the second connection portion may be provided in separate device heat exchangers, or may be provided in the same device heat exchanger.

According to this, when the device temperature adjustment unit is inclined, one of the first connection portion and the second connection portion is located on the upper side in the gravity direction, and the other of the first connection portion and the second connection portion is on the lower side in the gravity direction. To position. Therefore, the working fluid evaporated in the plurality of equipment heat exchangers flows from at least one of the first gas phase passage and the second gas phase passage from the first connection portion or the second connection portion located on the upper side in the direction of gravity. It flows into the condenser. The working fluid condensed by the condenser flows through the liquid phase passage and flows into the plurality of equipment heat exchangers. Such circulation of the working fluid enables the device temperature control device to cool the target device even when the device temperature control unit is inclined.

Claims (20)

1. An apparatus temperature control device for adjusting the temperature of a target device (2) by phase change between a liquid phase and a gas phase of a working fluid, comprising:
   An apparatus temperature control unit having one or more apparatus heat exchangers (11 to 14) configured to be capable of exchanging heat between the target apparatus and the working fluid so that the working fluid evaporates when the target apparatus is cooled 10) and
   A condenser (50) for dissipating the gas phase working fluid and discharging the condensed liquid phase working fluid;
   A liquid phase passage (55) for flowing a working fluid in a liquid phase between the condenser and the device temperature control unit;
   A plurality of gas phase passages (21-24, 30-32, 40-42) for flowing a working fluid of gas phase between the device temperature control unit and the condenser;
   Among the plurality of gas phase passages, the first connection portion (211) where the first gas phase passage (21) is connected to the device temperature adjustment unit, and the second gas phase passage (22) are connected to the device temperature adjustment portion The second connection unit (221) is an apparatus temperature control device located at a position distant in the horizontal direction.
2. The device temperature control device is mounted on a vehicle,
   The device temperature control device according to claim 1, wherein the first connection portion and the second connection portion are located at places separated in the vehicle longitudinal direction.
3. When the device temperature adjustment unit is in the horizontal state, the liquid level (FL) of the working fluid is located halfway in the height direction of the device heat exchanger, and the first connection portion and the second connection portion are The device temperature control device according to claim 1 or 2, wherein the enclosed amount of the working fluid is adjusted so as to be located above the liquid surface of the working fluid in the device temperature control unit.
4. When the device temperature adjustment unit is inclined at a predetermined angle, the liquid surface of the working fluid is on the upper side of one of the first connection portion or the second connection portion, and the other of the first connection portion or the second connection portion The temperature controller for equipment according to any one of claims 1 to 3, wherein the amount of the working fluid enclosed is adjusted so that it is under the
5. The gas phase passage includes a junction (30 to 32) for joining the working fluid flowing in the first gas phase passage and the working fluid flowing in the second gas phase passage, and between the junction and the condenser. And a merging passage (40 to 42) through which the working fluid in the gas phase flows.
   The device temperature control device according to any one of claims 1 to 4, wherein the merging portion is provided above the first connection portion and the second connection portion in the direction of gravity.
6. The apparatus temperature control according to claim 5, wherein when the apparatus temperature adjusting unit is inclined at a predetermined angle, the enclosed amount of the working fluid is adjusted such that the liquid level of the working fluid is below the merging part. apparatus.
7. The device temperature according to any one of claims 1 to 6, wherein the first connection portion and the second connection portion are provided at horizontally separated positions in one of the device heat exchangers. Adjuster.
8. The device heat exchanger has a shape having a longitudinal direction and a short direction as viewed from the direction of gravity, and is in direct thermal contact with the target device or indirectly through a heat conducting member (113) And have
   The said 1st connection part and the said 2nd connection part are provided in the position of the longitudinal direction outer side from the said heat exchange part among the said heat exchangers for apparatuses, It is provided in any one of Claim 1 thru | or 7 Equipment temperature control device.
9. The first connection portion is provided at a position forward of the heat exchange portion of the heat exchanger for the device.
   The second connection portion is provided at a position rearward of the heat exchange portion of the heat exchanger for the device.
   The first gas phase passage has a portion (21a) extending upward or forward of the vehicle from the first connection portion,
   The apparatus temperature control device according to claim 8, wherein the second gas phase passage has a portion (22a) extending upward or rearward of the vehicle from the second connection portion.
10. The device temperature adjustment unit includes a plurality of device heat exchangers provided at positions separated in the vehicle longitudinal direction, and the first connection portion provided in any of the plurality of device heat exchangers. The device temperature control device according to any one of claims 1 to 9, further comprising a connection passage (61, 62) connecting the second connection portion.
11. The first connection portion is provided to a predetermined heat exchanger for equipment disposed on the front side of the vehicle among the plurality of heat exchangers for equipment.
    The second connection portion is provided to another device heat exchanger disposed on the rear side of the vehicle among the plurality of device heat exchangers,
    The first gas phase passage has a portion (21a) extending upward or forward of the vehicle from the first connection portion,
    The apparatus temperature control device according to claim 10, wherein the second gas phase passage has a portion (22a) extending upward or rearward of the vehicle from the second connection portion.
12. The parallel portion (251) according to claim 10 or 11, wherein at least a part of the first gas phase passage or the second gas phase passage and the connection passage form a parallel portion (251) extending in a state of being in contact with or adjacent to each other. Equipment temperature control device as described.
13. 13. A parallel section (25) according to claim 1, wherein at least a portion of the first gas phase passage and at least a portion of the second gas phase passage form parallel portions (25) extending in abutment or adjacent to each other. The apparatus temperature control apparatus as described in any one.
14. At least a part of the first gas phase passage or the second gas phase passage and the connection passage form a double piping structure (26) in which the other piping is provided inside one piping. The apparatus temperature control apparatus of claim 10 or 11.
15. At least a portion of the first gas phase passage and at least a portion of the second gas phase passage have a double piping structure (26) in which the other piping is provided inside the one piping. The apparatus temperature control apparatus as described in any one of claim | item 1 thru | or 14.
16. It is provided in the first gas phase passage or the second gas phase passage, and the flow of the working fluid of the liquid phase from the first connection portion side or the second connection portion side of the gas phase passage to the condenser side The apparatus temperature control apparatus according to any one of claims 1 to 13, further comprising a flow path area control valve (80, 83, 86) for regulating.
17. It further comprises an inclination sensor (82) for detecting the inclination of the device temperature adjustment unit,
    When the inclination of the device temperature adjustment unit is detected by the inclination sensor, the flow passage area adjustment valve is connected to the condenser side from the first connection portion side or the second connection portion side of the gas phase passage. The device temperature control device according to claim 16, which regulates the flow of the working fluid in the liquid phase.
18. The flow passage area adjustment valve (83)
    A valve seat (84) provided on the inner wall of the gas phase passage;
    When the first connection portion or the second connection portion of the gas phase passage is above the valve seat in the gravity direction, the valve seat is seated on the valve seat by its own weight, and the first connection portion or the The device temperature control device according to claim 16, further comprising a valve body (85) which is separated from the valve seat when the two connection portions are lower than the valve seat in the gravity direction.
19. The flow passage area adjustment valve (86)
    A valve seat (87) provided on the inner wall of the gas phase passage;
    The valve body (88) is seated on the valve seat by buoyancy when the liquid phase working fluid flows in the gas phase passage, and is detached from the valve seat when the gas phase working fluid flows in the gas phase passage. The device temperature control device according to claim 16.
20. An apparatus temperature control device for adjusting the temperature of a target device (2) by phase change between a liquid phase and a gas phase of a working fluid, comprising:
    Heat exchangers (11 to 14) for a plurality of devices configured to be able to exchange heat between the target device and the working fluid so that the working fluid evaporates when the target device is cooled, and heat exchange for a plurality of the devices A device temperature control unit (10) having connection passages (61, 62) for connecting the
    A condenser (50) for dissipating the gas phase working fluid and discharging the condensed liquid phase working fluid;
    A liquid phase passage (55) for flowing a working fluid in a liquid phase between the plurality of heat exchangers for equipment and the condenser;
    A plurality of gas phase passages (21-24, 30-32, 40-42) for flowing a working fluid of gas phase between the plurality of heat exchangers for equipment and the condenser;
    Among the plurality of gas phase passages, the first connection portion (211) where the first gas phase passage (21) is connected to the device temperature adjustment unit, and the second gas phase passage (22) are connected to the device temperature adjustment portion And the second connection portion (221), which are located horizontally away from each other, are respectively provided in the separate heat exchangers for equipment or are provided in the same heat exchanger for equipment , Equipment temperature control device.

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