JP2023144885A - Thermal medium supply device and battery temperature adjustment system - Google Patents

Abstract

To provide a thermal medium supply device capable of reducing a charging time of a battery and being easily spread.SOLUTION: In the case where a battery 72 is cooled at the time of the charging of a vehicle, a blowout part 26 of a heating medium supply device 10 supplies a heating medium of which an absolute water amount is large against an outer air while having a low temperature against the outer air to an outer air heat exchanger 423. Thus, the blowout part 26 increases a radiation heat amount from a liquid medium in the outer air heat exchanger 423 as compared to the case where the outer air exchanges a heat with the liquid medium in the outer air heat exchanger 423 in replacement of the heating medium. Therefore, since a cooling of the battery 72 is promoted, a charging time of the battery 72 can be reduced. Then, since a vehicle 70 comprises a temperature adjustment device 40 having the outer air heat exchanger 423, the heating medium supply device 10 can be easily spread because the temperature adjustment device 40 does not require a construction dedicated for using the heating medium supply device 10.SELECTED DRAWING: Figure 1

Description

The present invention relates to a heat medium supply device that blows out a heat medium, and a battery temperature control system that includes the heat medium supply device and adjusts the temperature of a battery.

Patent Document 1 describes a battery temperature control device. The battery temperature control device adjusts the temperature of a battery mounted on a vehicle using heat supplied from an external heat source supply device installed outside the vehicle. The battery temperature control device includes a battery heat exchanger, a connection heat exchanger, and piping that connects the battery heat exchanger and the connection heat exchanger and allows a heat medium to flow therethrough.

A battery heat exchanger exchanges heat between a battery and a heat medium. The connection heat exchanger has an on-vehicle thermal contact surface that can be in direct thermal contact with the external thermal contact surface of the external heat source supply device or indirectly through a heat conductive member. The connected heat exchanger cools or heats the heat medium flowing through the piping using heat transmitted from the external heat contact surface of the external heat source supply device via the on-vehicle heat contact surface.

JP 2019-40731 Publication

In recent years, there has been an increasing demand for shortening the charging time of batteries mounted on vehicles such as electric vehicles. On the other hand, since the battery generates heat when it is being charged, increasing the battery cooling capacity for cooling the battery is effective in shortening the battery charging time. Further, by warming up the battery when the battery is cold, the temperature of the battery can be quickly raised to a temperature suitable for charging, thereby shortening the charging time of the battery. For example, regarding a battery that is rapidly charged, if you warm up the battery when it is cold, the temperature of the battery will quickly rise to a temperature that allows rapid charging. charging time can be shortened. For this reason, the battery temperature control device of Patent Document 1 is effective.

However, in order to use the battery temperature control device of Patent Document 1, it is necessary to provide a vehicle with a dedicated structure to which the battery temperature control device can be connected. Therefore, when trying to popularize the battery temperature control device of Patent Document 1, it is difficult to popularize it. As a result of detailed study by the inventors, the above was discovered.

In view of the above points, an object of the present invention is to provide a heat medium supply device that can shorten battery charging time and is easy to spread, and a battery temperature control system that includes the heat medium supply device.

In order to achieve the above object, the heat medium supply device according to claim 1 includes:
A heat medium supply device installed outside the vehicle (70),
Equipped with a blowout part (26) that blows out a heat medium,
The vehicle includes a battery (72) and an outside air heat exchanger (423, 442, 465) that exchanges heat between a heat exchange fluid that is heat exchanged with the battery and a supply fluid that is outside air,
When the battery is cooled during vehicle charging in which the battery is charged by a charging device (74) installed outside the vehicle, the blowing part has a temperature lower than that of the outside air or an absolute temperature of the outside air. By supplying a heat medium with a high water content to the outside air heat exchanger as a supply fluid, the amount of radiation from the heat exchange fluid is reduced compared to when outside air is exchanged with the heat exchange fluid in the outside air heat exchanger instead of the heat medium. Increases heat content.

Here, vehicles equipped with batteries often have a battery temperature control function that controls the temperature of the battery. When the battery in the vehicle is cooled by the battery temperature control function, exhaust heat from the battery is normally released to the outside air via an outside air heat exchanger exposed to the outside air.

Therefore, with the configuration of the heat medium supply device described above, when charging the vehicle, the battery can be cooled using the battery temperature control function of the vehicle. That is, since the vehicle does not require a dedicated structure for connecting the heat medium supply device to the vehicle, it is easy to popularize the heat medium supply device. Since cooling of the battery is promoted more than when outside air is simply supplied to the outside air heat exchanger, it is possible to shorten the charging time of the battery.

Moreover, the heat medium supply device according to claim 8,
A heat medium supply device installed outside the vehicle (70),
Equipped with a blowout part (26) that blows out a heat medium,
The vehicle includes a battery (72) and an outside air heat exchanger (423, 444, 465) that exchanges heat between a heat exchange fluid that is heat exchanged with the battery and a supply fluid that is outside air,
When the battery is warmed up during vehicle charging in which the battery is charged by a charging device (74) installed outside the vehicle, the blowing section supplies a heating medium with a higher temperature than the outside air. By supplying the outside air to the outside air heat exchanger as heat exchanger, the amount of heat absorbed by the heat exchange fluid is increased compared to the case where outside air is used instead of the heat medium to exchange heat with the heat exchange fluid in the outside air heat exchanger.

Here, vehicles equipped with batteries often have a battery temperature control function that controls the temperature of the battery. When the battery in the vehicle is warmed up by the battery temperature control function, heat obtained from the outside air is normally supplied to the battery via an outside air heat exchanger exposed to the outside air.

Therefore, with the configuration of the heat medium supply device described above, when charging the vehicle, the battery can be warmed up using the battery temperature control function of the vehicle. That is, since the vehicle does not require a dedicated structure for connecting the heat medium supply device to the vehicle, it is easy to popularize the heat medium supply device. Warming up of the battery is accelerated compared to when outside air is simply supplied to the outside air heat exchanger, which allows the battery temperature to enter the temperature range suitable for charging faster, reducing battery charging time. It is possible to do so.

Note that the reference numerals in parentheses attached to each component etc. indicate an example of the correspondence between the component etc. and specific components etc. described in the embodiments to be described later.

1 is a diagram schematically showing a schematic configuration of a battery temperature control system for controlling the temperature of an on-vehicle battery during vehicle charging in a first embodiment; FIG. FIG. 2 is a block diagram showing a control device for a heat medium supply device included in a battery temperature control system and connected devices electrically connected to the control device in the first embodiment. 1 is a diagram showing a battery temperature control system and a circuit configuration of a temperature control device provided in a vehicle in the battery temperature control system in a first embodiment; FIG. FIG. 2 is a diagram corresponding to FIG. 1 that schematically shows a schematic configuration of a battery temperature control system for controlling the temperature of an on-vehicle battery during vehicle charging in a second embodiment. 4 is a diagram illustrating a battery temperature control system and a circuit configuration of a temperature control device installed in a vehicle in the battery temperature control system in a second embodiment, and corresponds to FIG. 3. FIG. 4 is a diagram showing a battery temperature control system and a circuit configuration of a temperature control device installed in a vehicle in the battery temperature control system in a third embodiment, and corresponds to FIG. 3. FIG. In the fourth embodiment, a battery temperature control system and a circuit configuration of a temperature control device installed in a vehicle in the battery temperature control system are shown, and a heat medium supply device supplies a heat medium to a first outside air heat exchanger. 4 is a diagram showing a supplying state and corresponds to FIG. 3. FIG. In the fourth embodiment, a battery temperature control system and a circuit configuration of a temperature control device installed in a vehicle in the battery temperature control system are shown, and a heat medium supply device supplies a heat medium to a second outside air heat exchanger. 8 is a diagram showing a supply state and corresponds to FIG. 7. FIG. 4 is a diagram showing a battery temperature control system and a circuit configuration of a temperature control device provided in a vehicle in the battery temperature control system in a fifth embodiment, and is a diagram corresponding to FIG. 3. FIG. 4 is a diagram showing a battery temperature control system and a circuit configuration of a temperature control device installed in a vehicle in the battery temperature control system in a sixth embodiment, and corresponds to FIG. 3. FIG. 4 is a diagram showing a battery temperature control system and a circuit configuration of a temperature control device installed in a vehicle in the battery temperature control system in a seventh embodiment, and corresponds to FIG. 3. FIG.

Each embodiment will be described below with reference to the drawings. Note that in each of the following embodiments, parts that are the same or equivalent to each other are given the same reference numerals in the drawings.

(First embodiment)
As shown in FIG. 1, the heat medium supply device 10 of this embodiment is installed outside the vehicle 70 together with a charging device 74 that charges a battery 72 mounted on the vehicle 70. The vehicle 70 is, for example, an electric vehicle or a plug-in hybrid vehicle.

Charging device 74 is a power supply source that supplies power to battery 72 of vehicle 70 . For example, when charging the battery 72, the charging device 74 performs rapid charging on the battery 72. Further, the charging device 74 has a charging cable 741 for connecting the charging device 74 to the battery 72 so as to be able to supply power. Since this charging cable 741 is connected to the battery 72 by being connected to a charging port provided in the vehicle 70, a connector that fits the charging port is provided at the tip of the charging cable 741.

Note that the double-ended arrows in FIG. 1 each indicate the direction of the vehicle 70 shown in FIG. 1. That is, in FIG. 1, a vehicle longitudinal direction D1, which is the longitudinal direction of the vehicle 70, and a vehicle vertical direction D2, which is the vertical direction of the vehicle 70, are indicated by arrows at both ends. These directions D1 and D2 are directions that intersect with each other, and strictly speaking, directions that are perpendicular to each other. In addition, in the description of the present embodiment, the front side in the vehicle longitudinal direction D1 is also referred to as the vehicle front side, the rear side in the vehicle longitudinal direction D1 is also referred to as the vehicle rear side, and the upper side in the vehicle vertical direction D2 is also referred to as the vehicle upper side. The lower side in the vehicle vertical direction D2 is also referred to as the vehicle lower side.

The battery 72 functions as a power source for the traveling motor of the vehicle 70. This battery 72 is a secondary battery that can be repeatedly charged and discharged, and is composed of, for example, a lithium ion battery or a nickel metal hydride battery. In order for the battery 72 to exhibit appropriate charging and discharging performance, the temperature of the battery 72 is preferably maintained within a predetermined temperature range, and the battery 72 generates heat as it is charged and discharged.

The heat medium supply device 10 is provided separately from the charging device 74, but is installed, for example, alongside the charging device 74. The heat medium supply device 10 blows out a heat medium toward an outside air inlet 70a provided in the vehicle 70 in the direction of an arrow A1 during vehicle charging in which the battery 72 is charged by the charging device 74.

The heat medium blown out from the heat medium supply device 10 is a fluid obtained by heating, cooling, or humidifying outside air. That is, the heat medium is air having a different temperature from the outside air, or air to which mist-like water droplets have been added to the outside air. In short, the heat transfer medium is a gas-phase fluid based on outside air, or a mixed fluid in which a gas-phase fluid and a liquid-phase fluid are mixed. For example, the heat medium supply device 10 blows out cold air or humidified air as a heat medium when cooling the battery, and blows out warm air as a heat medium when warming up the battery.

Note that FIG. 1 shows a state where the battery 72 is being charged by the charging device 74. In FIG. 1, the charging device 74 is connected to the battery 72 via a charging cable 741, and the battery 72 is Power is being supplied to. Further, an arrow A1 in FIG. 1 represents the flow of the heat medium blown out from the heat medium supply device 10, and an arrow A1 in a figure to be described later similarly represents the flow of the heat medium.

For example, as shown in FIGS. 1 and 2, the heat medium supply device 10 includes a blower 12, a cooling device 14, a heating device 16, a spray device 18, a control device 20 that controls them, and an operator. It includes an operating device 22 to be operated and an outer shell case 24.

The outer shell case 24 is a casing that constitutes the outer shell of the heat medium supply device 10 . The outer shell case 24 accommodates the blower 12 , the cooling device 14 , the heating device 16 , the spray device 18 , and the control device 20 inside the outer shell case 24 .

The outer shell case 24 has a blowing section 26 that blows out the heat medium. For example, the blowing portion 26 is disposed on the side surface of the outer shell case 24 and opens in the horizontal direction or substantially horizontal direction. Then, the blowing unit 26 blows out the heat medium blown from the blower 12 to the outside of the heat medium supply device 10 .

The blower 12 includes a fan and a motor that rotates the fan. The blower 12 sucks air (more specifically, outside air) from outside the heat medium supply device 10 by rotating the fan, and blows out the sucked air. The air blown out by the blower 12 corresponds to the heat medium. For example, since the rotation speed of the fan of the blower 12 is adjusted by a control signal from the control device 20, the amount of air blown by the blower 12 is controlled by the control device 20.

Inside the heat medium supply device 10, the heat medium blown out by the blower 12 flows to the blowout part 26 of the outer shell case 24, but the cooling device 14, heating device 16, and spray device 18 are connected to the blower in the flow path of the heat medium. 12 and the blowing section 26. Since the cooling device 14 and the spraying device 18 operate to cool the battery 72, and the heating device 16 operates to warm up the battery 72, the heating device 16 and each of the cooling device 14 and the spraying device 18 operate. They do not operate at the same time. These cooling device 14, heating device 16, and spray device 18 constitute a heat medium generation unit that generates a heat medium obtained by heating, cooling, or humidifying outside air.

The cooling device 14 cools the heat medium blown out from the blower 12. The cooling capacity of the cooling device 14 to cool the heat medium is adjusted by a control signal from the control device 20. For example, the cooling device 14 has a refrigeration cycle, a Peltier element, or the like as a configuration for cooling the heat medium.

The heating device 16 heats the heat medium blown out from the blower 12 . The heating ability of the heating device 16 to heat the heat medium is adjusted by a control signal from the control device 20. For example, the heating device 16 has a refrigeration cycle, a Peltier element, or the like as a configuration for heating the heat medium.

The spray device 18 humidifies the heat medium blown out from the blower 12 . Specifically, the spray device 18 atomizes water and adds the atomized water to the heat medium blown out from the blower 12 . For example, when a mist of water is added to a heat medium when cooling a battery, the mist of water removes the heat of vaporization as it evaporates, improving the heat absorption performance of the heat medium. The amount of atomized water that the spray device 18 adds to the heat medium is regulated by a control signal from the control device 20 .

The control device 20 is an electronic control device composed of a computer including a semiconductor memory and a processor as a non-transitional physical recording medium, and its peripheral circuits. Control device 20 executes a computer program stored in its semiconductor memory. When this computer program is executed, a method corresponding to the computer program is executed. That is, the control device 20 executes various control processes according to the computer program. Note that a vehicle-side control section 76, which will be described later, is also an electronic control device having a configuration similar to that of the control device 20.

A blower 12, a cooling device 14, a heating device 16, a spray device 18, and the like are connected to the output side of the control device 20. Further, connected to the input side of the control device 20 are a temperature sensor that detects the temperature of the heat medium blown out from the blow-off section 26, an operating device 22, a charging device 74, and the like.

For example, the control device 20 may receive information indicating that the charging cable 741 is connected to the battery 72, information indicating that the charging device 74 has started charging the battery 72, and information indicating that the charging device 74 has started charging the battery 72. Information indicating completion is received from the charging device 74.

The operating device 22 is provided, for example, on the outer surface of the outer shell case 24 of the heat medium supply device 10, and includes various operating switches operated by an operator. Then, the operating device 22 outputs to the control device 20 an operating signal indicating the operating state of the various operating switches by the operator.

For example, the operating device 22 includes a cooling/warming-up changeover switch 221 and an actuation switch 222 as the operating switches. The cooling/warming-up changeover switch 221 is switched by the operator from the cooling position when the battery is being cooled to the warm-up position when the battery is being warmed up. The operation switch 222 is switched to the on position by the operator when the heat medium supply device 10 blows the heat medium, and is switched to the off position when the operator stops blowing the heat medium.

As shown in FIGS. 1 and 3, the vehicle 70 includes a battery 72 that is a power source for driving, a temperature control device 40 that adjusts the temperature of the battery 72, and a vehicle-side control unit 76. The temperature control device 40 provided in the vehicle 70, the vehicle-side control unit 76, and the heat medium supply device 10 installed outside the vehicle 70 are used to charge the battery 72 when the battery 72 is charged by the charging device 74. A battery temperature control system 8 for controlling the temperature of the cell 72 is configured.

The vehicle-side control unit 76 is an electronic control device that controls the temperature control device 40. That is, the vehicle-side control unit 76 controls the operation of the controlled equipment included in the temperature control device 40. For example, the vehicle-side control unit 76 may exchange information with the charging device 74 and with the control device 20 of the heat medium supply device 10 (see FIG. 2) through wireless communication or wired communication. It is configured so that it can be done.

For example, the vehicle-side control unit 76 successively receives information indicating the operating state of the operating device 22, such as the switching state of the switches 221 and 222, from the control device 20 of the heat medium supply device 10. The vehicle-side control unit 76 also receives information indicating that the charging cable 741 is connected to the battery 72, information indicating that the charging device 74 has started charging the battery 72, and information indicating that the charging device 74 has started charging the battery 72. You will also receive information indicating that charging is complete.

The temperature control device 40 includes a fluid circuit 42 in which a liquid medium as a heat exchange fluid circulates. As the liquid medium circulated in the fluid circuit 42, for example, an antifreeze solution such as a solution containing ethylene glycol can be employed.

The fluid circuit 42 includes a pump 421, a battery heat exchanger 721, an outside air heat exchanger 423, and piping connecting these.

In the fluid circuit 42, the discharge port 421a of the pump 421 is connected to the liquid medium inlet 721a of the battery heat exchanger 721, and the liquid medium outlet 721b of the battery heat exchanger 721 is connected to the liquid medium inlet 423a of the outside air heat exchanger 423. ing. Further, a liquid medium outlet 423b of the outside air heat exchanger 423 is connected to an inlet 421b of the pump 421. Therefore, in the fluid circuit 42, when the pump 421 operates, the liquid medium discharged from the discharge port 421a of the pump 421 flows in the order of the battery heat exchanger 721 and the outside air heat exchanger 423, and then flows to the suction port 421b of the pump 421. It gets sucked in. In short, in the fluid circuit 42, when the pump 421 operates, a liquid medium circulates between the outside air heat exchanger 423 and the battery heat exchanger 721.

The pump 421 has a discharge port 421a and a suction port 421b, and discharges the liquid medium sucked from the suction port 421b from the discharge port 421a. The pump 421 is an electric pump that pumps a liquid medium, and the rotation speed of the pump 421 is controlled according to a control signal output from the vehicle-side control unit 76.

The battery heat exchanger 721 has a liquid medium inlet 721a into which the liquid medium flows, and a liquid medium outlet 721b through which the liquid medium flows out. The battery heat exchanger 721 exchanges heat between the liquid medium flowing into the battery heat exchanger 721 from the liquid medium inlet 721a and the battery 72, thereby cooling or heating the battery 72. The liquid medium after exchanging heat with the battery 72 flows out from the liquid medium outlet 721b. For example, the battery heat exchanger 721 is integrated with the battery 72 and is configured to cool or heat the battery 72 while equalizing the temperature of a plurality of battery cells included in the battery 72.

The outside air heat exchanger 423 is a heat exchanger that exchanges heat between a liquid medium and a supply fluid that is outside air, and has a liquid medium inlet 423a and a liquid medium outlet 423b. The outside air heat exchanger 423 exchanges heat between the liquid medium flowing into the liquid medium inlet 423a from the battery heat exchanger 721 and the supply fluid, and transfers the liquid medium after the heat exchange from the liquid medium outlet 423b to the suction port 421b of the pump 421. flow to. In this embodiment, the supply fluid supplied to the outside air heat exchanger 423 is basically outside air, but the heat medium blown out from the heat medium supply device 10 is supplied to the outside air heat exchanger 423 as the supply fluid. may be done.

The outside air heat exchanger 423 is disposed on the front side of the vehicle 70, for example, so that the outside air as a running wind hits the vehicle 70 when the vehicle is running. With this arrangement, outside air as the running wind is supplied to the outside air heat exchanger 423 through the outside air inlet 70a, which is provided on the front side of the vehicle 70 than the outside air heat exchanger 423 and penetrates in the vehicle longitudinal direction D1. Ru.

In the vehicle 70 configured as described above, when charging the battery 72 using the charging device 74, the occupant connects the outside air inlet 70a of the vehicle 70 to the blowout portion 26 of the heat medium supply device 10, as shown in FIG. The vehicle 70 is stopped in a position facing the. Thereby, the heat medium supply device 10 is arranged so that the blow-off portion 26 is opened toward the outside air heat exchanger 423.

After the vehicle has stopped, the operator, who is a passenger, for example, as shown in FIGS. 1 to 3, presses the cooling/warming-up switch 221 to cause the heat medium supply device 10 to cool the battery 72 during vehicle charging. Switch to the cooling position and switch the activation switch 222 to the on position. On the other hand, when the operator wants the heat medium supply device 10 to warm up the battery 72 when charging the vehicle, the operator switches the cooling/warming-up changeover switch 221 to the warm-up position and moves the operation switch 222 to the on position. Switch to

The operator then connects the charging cable 741 to the battery 72 by connecting it to the charging port of the vehicle 70. Charging of the battery 72 may be started by an operator's manual operation after the charging cable 741 is connected, or may be started automatically in response to the connection of the charging cable 741.

Regardless of the switching state of the cooling/warming-up changeover switch 221, the vehicle-side control unit 76 determines whether charging of the battery 72 is started when the activation switch 222 of the heat medium supply device 10 is switched to the on position. , the pump 421 of the fluid circuit 42 is activated. In short, the vehicle-side control unit 76 operates the temperature control device 40. This enables heat exchange between the supply fluid supplied to the outside air heat exchanger 423 and the battery 72.

In addition, when the cooling/warming-up changeover switch 221 is switched to the cooling position and the operation switch 222 is switched to the on position, the control device 20 of the heat medium supply device 10 starts charging the battery 72. The blower 12, cooling device 14, and spray device 18 are operated. However, in this case, the control device 20 does not operate the heating device 16. As a result, a heat medium having a lower temperature than the outside air and a higher absolute moisture content than the outside air is generated by the heat medium supply device 10, and the heat medium is blown out from the blowing part 26 to the outside air heat exchanger 423. .

That is, in this case, the blow-off section 26 supplies a heat medium (in short, a heat medium for battery cooling) that is lower in temperature than the outside air and has a higher absolute water content than the outside air to the outside air heat exchanger 423 as a supply fluid. do. Thereby, the blow-off section 26 increases the amount of heat released from the liquid medium in the outside air heat exchanger 423 compared to the case where outside air exchanges heat with the liquid medium in the outside air heat exchanger 423 instead of the heat medium. . To confirm, the temperature of the heat medium supplied to the outside air heat exchanger 423 is lower than the temperature of the liquid medium that exchanges heat with the heat medium in the outside air heat exchanger 423.

Note that the above-mentioned absolute moisture content of the heat medium or outside air is the total mass of water vapor and, for example, mist water contained per unit volume of the heat medium or outside air. Moreover, the outside air to be compared with the heat medium referred to here is, for example, the outside air around the outside air heat exchanger 423.

As described above, when the battery 72 is cooled during vehicle charging, the liquid medium in the fluid circuit 42 is cooled by the heat medium for battery cooling. As a result, the battery 72 that exchanges heat with the liquid medium of the fluid circuit 42 is also cooled.

On the other hand, when the cooling/warming-up changeover switch 221 is switched to the warm-up position and the operation switch 222 is switched to the on-position, the control device 20 of the heat medium supply device 10 starts charging the battery 72. , respectively operate the blower 12 and the heating device 16. However, in this case, the control device 20 does not operate the cooling device 14 and the spray device 18. As a result, a heat medium having a higher temperature than the outside air is generated by the heat medium supply device 10, and the heat medium is blown out from the blow-off portion 26 to the outside air heat exchanger 423.

That is, in this case, the blowing section 26 supplies a heat medium having a higher temperature than the outside air (in short, a heat medium for warming up the battery) to the outside air heat exchanger 423 as a supply fluid. Thereby, the blowing part 26 increases the amount of heat absorbed by the liquid medium in the outside air heat exchanger 423, compared to the case where outside air exchanges heat with the liquid medium in the outside air heat exchanger 423 instead of the heat medium. To confirm, the temperature of the heat medium supplied to the outside air heat exchanger 423 is higher than the temperature of the liquid medium that exchanges heat with the heat medium in the outside air heat exchanger 423.

As described above, when the battery 72 is warmed up during vehicle charging, the liquid medium in the fluid circuit 42 is warmed by the heat medium for warming up the battery. As a result, the battery 72 that exchanges heat with the liquid medium of the fluid circuit 42 is also warmed up, and warm-up of the battery 72 is promoted.

When charging of the battery 72 by the charging device 74 is completed, the vehicle-side control unit 76 stops the pump 421 of the fluid circuit 42. In short, the vehicle-side control unit 76 stops the temperature control device 40. Then, the control device 20 of the heat medium supply device 10 stops the blower 12 and also stops the operating devices among the cooling device 14, heating device 16, and spray device 18. Further, when charging of the battery 72 by the charging device 74 is completed, for example, the operation switch 222 of the heat medium supply device 10 automatically returns to the off position.

As described above, according to the present embodiment, when the battery 72 is cooled during vehicle charging, the blowing section 26 of the heat medium supply device 10 has a temperature lower than that of the outside air and a temperature lower than that of the outside air. A heat medium with a high absolute moisture content is supplied to the outside air heat exchanger 423 as a supply fluid. Thereby, the blow-off section 26 increases the amount of heat released from the liquid medium in the outside air heat exchanger 423 compared to the case where outside air exchanges heat with the liquid medium in the outside air heat exchanger 423 instead of the heat medium. . That is, the battery cooling capacity of the temperature control device 40 included in the vehicle 70 is increased.

Although the vehicle 70 includes the temperature control device 40 having the outside air heat exchanger 423, the temperature control device 40 does not need to have a dedicated structure for using the heat medium supply device 10.

Therefore, it is easy to popularize the heat medium supply device 10, and when charging a vehicle, the temperature control device 40 included in the vehicle 70 can be used to cool the battery 72. Since cooling of the battery 72 is promoted more than when outside air is simply supplied to the outside air heat exchanger 423, the charging time of the battery 72 can be shortened. In particular, the effect of shortening the charging time of the battery 72 becomes greater during rapid charging.

Here, as a comparative example to be compared with the present embodiment, a water conduit pipe that introduces cooling water for cooling the battery into the vehicle 70 from the outside is connected to the vehicle 70 together with a charging cable 741, and the water is supplied to the vehicle 70 side through the water conduit pipe. It is assumed that cooling water will be supplied. However, in the comparative example, it is difficult to unify standards related to water pipe connections. Further, in the comparative example, electric leakage due to water leakage in the water pipe and increase in weight of connected objects including the charging cable 741 and the water pipe are assumed, making it difficult to popularize the technology of the comparative example.

On the other hand, if the heat medium supply device 10 of the present embodiment is used, the water pipe described above is unnecessary, and therefore there is no fear of electrical leakage caused by water leakage from the water pipe. Further, there is no need to connect something like the above-mentioned water conduit pipe in the comparative example, and no special structure for using the heat medium supply device 10 is required. Therefore, as described above, it is easy to popularize the heat medium supply device 10.

Further, according to the present embodiment, when the battery 72 is warmed up during vehicle charging, the blowing section 26 of the heat medium supply device 10 uses a heat medium having a higher temperature than the outside air as a supply fluid. It is supplied to the outside air heat exchanger 423. Thereby, the blowing part 26 increases the amount of heat absorbed by the liquid medium in the outside air heat exchanger 423, compared to the case where outside air exchanges heat with the liquid medium in the outside air heat exchanger 423 instead of the heat medium. That is, the battery warming function of the temperature control device 40 included in the vehicle 70 is enhanced.

The vehicle 70 is equipped with a temperature control device 40 having an outside air heat exchanger 423, but the temperature control device 40 needs to have a dedicated structure for using the heat medium supply device 10 as described above. There is no.

Therefore, it is easy to popularize the heat medium supply device 10, and when charging a vehicle, the battery 72 can be warmed up using the temperature control device 40 included in the vehicle 70. Since warm-up of the battery 72 is promoted more than when outside air is simply supplied to the outside air heat exchanger 423, the charging time of the battery 72 can be shortened.

(1) Further, according to the present embodiment, the fluid circuit 42 and the vehicle-side control unit 76 provided in the vehicle 70, and the heat medium supply device 10 installed outside the vehicle 70, are connected to the battery when charging the vehicle. A battery temperature control system 8 for controlling the temperature of the cell 72 is configured. The fluid circuit 42 includes an outside air heat exchanger 423 that exchanges heat between the liquid medium and a supply fluid that is outside air, and a battery heat exchanger 721 that exchanges heat between the liquid medium and the battery 72. In the fluid circuit 42, when the pump 421 operates, a liquid medium circulates between the battery heat exchanger 721 and the outside air heat exchanger 423.

Therefore, it is possible to cool or heat the battery 72 without using a refrigeration cycle including an evaporator or the like. Further, it is possible to make the fluid circuit 42 a simple structure without requiring a configuration for switching the flow path of the liquid medium, and to allow the heat medium supply device 10 to cool and warm up the battery 72, respectively.

(2) Furthermore, according to the present embodiment, the heat medium supply device 10 is provided separately from the charging device 74. Therefore, it is possible to install the heat medium supply device 10 as retrofit equipment to the charging device 74. From this reason as well, it can be said that it is easy to popularize the heat medium supply device 10.

(Second embodiment)
Next, a second embodiment will be described. In this embodiment, differences from the first embodiment described above will be mainly explained. Further, parts that are the same or equivalent to those of the above-described embodiments will be omitted or simplified in description. This also applies to the description of the embodiments described below.

As shown in FIGS. 4 and 5, the heat medium supply device 10 of this embodiment is only used for cooling the battery 72, and does not have a function of promoting warm-up of the battery 72. Therefore, the heat medium supply device 10 has a blower 12, a cooling device 14, and a spray device 18, but does not have a heating device 16. Further, the operating device 22 (see FIG. 2) has an activation switch 222 but does not have a cooling/warming-up changeover switch 221.

In this embodiment, the temperature control device 40 included in the vehicle 70 is different from the first embodiment. The temperature control device 40 of this embodiment does not have the fluid circuit 42 of FIG. 3. Specifically, as shown in FIGS. 4 and 5, the temperature control device 40 of the present embodiment is installed in a vehicle 70 and includes a refrigeration cycle 44, a radiator-side fluid circuit 45, and an evaporator-side fluid circuit 46. ing. The temperature control device 40 of this embodiment is only used to cool the battery 72, and does not have a function of promoting warm-up of the battery 72. In this embodiment as well, the temperature control device 40, the vehicle-side control unit 76, and the heat medium supply device 10 constitute the battery temperature control system 8, as in the first embodiment.

The refrigeration cycle 44 is a vapor compression type refrigeration cycle. Furthermore, the refrigeration cycle 44 is operated as a subcritical refrigeration cycle in which the refrigerant pressure on the high-pressure side of the cycle does not exceed the critical pressure of the refrigerant.

The refrigeration cycle 44 is a refrigerant circuit in which refrigerant circulates, and the refrigerant circuit as the refrigeration cycle 44 is sealed with refrigerant. Although various refrigerants can be used as the refrigerant that circulates in the refrigeration cycle 44, in this embodiment, a fluorocarbon refrigerant such as HFO134a is used, for example.

The refrigeration cycle 44 includes a compressor 441, a radiator 442, an expansion valve 443, an evaporator 444, and piping connecting them.

In the refrigeration cycle 44, a discharge port 441a of the compressor 441 is connected to a refrigerant inlet 442a of a radiator 442, and a refrigerant outlet 442b of the radiator 442 is connected to a refrigerant inlet 443a of an expansion valve 443. Further, a refrigerant outlet 443b of the expansion valve 443 is connected to a refrigerant inlet 444a of an evaporator 444, and a refrigerant outlet 444b of the evaporator 444 is connected to an inlet 441b of the compressor 441. Therefore, the refrigerant circulates in the refrigeration cycle 44, and the refrigerant flows through the compressor 441, the radiator 442, the expansion valve 443, and the evaporator 444 in this order, and returns to the compressor 441.

The compressor 441 has a discharge port 441a and a suction port 441b, compresses the refrigerant sucked in from the suction port 441b, and discharges the compressed refrigerant from the discharge port 441a. The compressor 441 is specifically an electric compressor, and includes a compression mechanism section that compresses refrigerant introduced into the compression chamber, and an electric motor that rotationally drives the compression mechanism section.

Compressor 441 is controlled by a control signal output from vehicle-side control section 76. For example, turning on/off the compressor 441 and the rotation speed of the compressor 441 (specifically, the rotation speed of the electric motor of the compressor 441) are controlled by a control signal output from the vehicle-side control unit 76.

The radiator 442 has a refrigerant inlet 442a into which the refrigerant flows, and a refrigerant outlet 442b through which the refrigerant flows out. The radiator 442 has a liquid medium inlet 442c into which a radiator-side liquid medium, which is a liquid medium of the radiator-side fluid circuit 45, flows in, and a liquid medium outlet 442d through which the radiator-side liquid medium flows out. There is. A high-temperature, high-pressure refrigerant discharged from the compressor 441 flows into the refrigerant inlet 442 a of the radiator 442 .

The radiator 442 is a heat exchanger (in other words, a water-cooled condenser) that exchanges heat between the refrigerant and the radiator-side liquid medium of the radiator-side fluid circuit 45 and radiates heat from the refrigerant to the radiator-side liquid medium through the heat exchange. be. The radiator 442 radiates heat from the refrigerant to the radiator-side liquid medium and condenses the refrigerant through heat exchange between the refrigerant and the radiator-side liquid medium. The refrigerant that has radiated heat and condensed in the radiator 442 flows out from the refrigerant outlet 442b and flows to the refrigerant inlet 443a of the expansion valve 443. At the same time, the radiator-side liquid medium heated by the radiator 442 flows out from the liquid medium outlet 442d.

The expansion valve 443 has a refrigerant inlet 443a into which the refrigerant flows, and a refrigerant outlet 443b through which the refrigerant flows out. The expansion valve 443 is a pressure reducing device that reduces the pressure of the refrigerant that has flowed into the refrigerant inlet 443a of the expansion valve 443. The expansion valve 443 may be a fixed throttle with a fixed throttle opening, but for example, the expansion valve 443 of this embodiment is an electric expansion valve whose throttle opening is changed by an electric actuator. Since the electric actuator of the expansion valve 443 is controlled by a control signal from the vehicle-side control section 76, the aperture opening degree of the expansion valve 443 is increased or decreased according to the control signal from the vehicle-side control section 76.

The evaporator 444 has a refrigerant inlet 444a into which the refrigerant flows, and a refrigerant outlet 444b through which the refrigerant flows out. The evaporator 444 has a liquid medium inlet 444c into which the evaporator-side liquid medium, which is the liquid medium of the evaporator-side fluid circuit 46, flows, and a liquid medium outlet 444d through which the evaporator-side liquid medium flows out. There is. The evaporator 444 is a battery cooling heat exchanger that exchanges heat between the refrigerant and the evaporator side liquid medium. The evaporator 444 causes the refrigerant to absorb heat from the evaporator-side liquid medium and evaporate the refrigerant through heat exchange between the refrigerant and the evaporator-side liquid medium, thereby cooling the evaporator-side liquid medium.

The refrigerant that has absorbed heat in the evaporator 444 flows out from the refrigerant outlet 444b and flows to the suction port 441b of the compressor 441. At the same time, the evaporator-side liquid medium cooled by the evaporator 444 flows out from the liquid medium outlet 444d.

With the configuration described above, in the refrigeration cycle 44, when the compressor 441 is operating, the refrigerant circulates while dissipating heat in the radiator 442 and evaporating in the evaporator 444. As a result, in the refrigeration cycle 44, the evaporator 444 causes the refrigerant to absorb heat from the evaporator-side liquid medium, and the radiator 442 causes the refrigerant to radiate heat from the refrigerant to the radiator-side liquid medium.

The radiator side fluid circuit 45 is a fluid circuit in which a radiator side liquid medium, which is a liquid medium, circulates. As the liquid medium on the radiator side, for example, an antifreeze solution such as a solution containing ethylene glycol can be employed. The radiator side liquid medium corresponds to the heat exchange fluid of the present disclosure.

The radiator-side fluid circuit 45 includes a radiator-side pump 451, an outside air heat exchanger 423, and piping connecting them.

In the radiator side fluid circuit 45, the discharge port 451a of the radiator side pump 451 is connected to the liquid medium inlet 442c of the radiator 442, and the liquid medium outlet 442d of the radiator 442 is connected to the liquid medium inlet 423a of the outside air heat exchanger 423. It is connected. Further, the liquid medium outlet 423b of the outside air heat exchanger 423 is connected to the suction port 451b of the radiator side pump 451. Therefore, in the radiator-side fluid circuit 45, when the radiator-side pump 451 operates, the radiator-side liquid medium discharged from the discharge port 451a of the radiator-side pump 451 is delivered to the radiator 442 and the outside air heat exchanger 423 in this order. After flowing, it is sucked into the suction port 451b of the radiator side pump 451. In short, in the radiator-side fluid circuit 45, when the radiator-side pump 451 operates, the radiator-side liquid medium circulates between the outside air heat exchanger 423 and the radiator 442.

The radiator-side pump 451 has a discharge port 451a and a suction port 451b, and discharges the radiator-side liquid medium sucked from the suction port 451b from the discharge port 451a. The radiator-side pump 451 is an electric pump similar to the pump 421 of the first embodiment, and the operation of the radiator-side pump 451 is controlled by the vehicle-side control unit 76.

The outside air heat exchanger 423 of this embodiment is the same as the outside air heat exchanger 423 of the first embodiment, except that it is included in the radiator side fluid circuit 45 of FIG. 5 instead of the fluid circuit 42 of FIG. 3. . Therefore, the arrangement of the outside air heat exchanger 423 in the vehicle 70 of the present embodiment is the same as that of the first embodiment, and the outside air heat exchanger 423 of the present embodiment exchanges the radiator-side liquid medium and the supply fluid, which is outside air. Allow heat exchange.

The evaporator-side fluid circuit 46 is a fluid circuit in which an evaporator-side liquid medium, which is a liquid medium, circulates. The liquid medium on the evaporator side may be the same liquid medium as the liquid medium on the radiator side, or may be a variety of liquid mediums different from the liquid medium on the radiator side, but in this embodiment, the liquid medium on the evaporator side The same liquid medium as the radiator side liquid medium is used as the medium.

The evaporator-side fluid circuit 46 includes an evaporator-side pump 461, a battery heat exchanger 721, and piping connecting them.

In the evaporator side fluid circuit 46, the discharge port 461a of the evaporator side pump 461 is connected to the liquid medium inlet 444c of the evaporator 444, and the liquid medium outlet 444d of the evaporator 444 is connected to the liquid medium inlet 721a of the battery heat exchanger 721. It is connected. Further, the liquid medium outlet 721b of the battery heat exchanger 721 is connected to the suction port 461b of the evaporator side pump 461. Therefore, in the evaporator-side fluid circuit 46, when the evaporator-side pump 461 operates, the evaporator-side liquid medium discharged from the discharge port 461a of the evaporator-side pump 461 is transferred to the evaporator 444 and then to the battery heat exchanger 721. After flowing, it is sucked into the suction port 461b of the evaporator side pump 461.

The evaporator side pump 461 has a discharge port 461a and a suction port 461b, and discharges the evaporator side liquid medium sucked in from the suction port 461b from the discharge port 461a. The evaporator-side pump 461 is an electric pump similar to the pump 421 of the first embodiment, and the operation of the evaporator-side pump 461 is controlled by the vehicle-side control unit 76.

The battery heat exchanger 721 of this embodiment is similar to the battery heat exchanger 721 of the first embodiment, except that it is included in the evaporator side fluid circuit 46 of FIG. 5 instead of the fluid circuit 42 of FIG. 3. . Therefore, the arrangement of the battery heat exchanger 721 with respect to the battery 72 in this embodiment is the same as in the first embodiment. The battery heat exchanger 721 of this embodiment exchanges heat between the battery 72 and the evaporator-side liquid medium that has flowed into the battery heat exchanger 721 from the liquid medium inlet 721a, thereby cooling the battery 72.

With such a configuration of the evaporator-side fluid circuit 46, the evaporator 444 of the refrigeration cycle 44 absorbs heat from the battery 72 to the refrigerant via the evaporator-side liquid medium circulating in the evaporator-side fluid circuit 46, and also absorbs heat from the refrigerant. evaporate.

In the vehicle 70 configured as described above, when charging the battery 72 using the charging device 74, the occupant stops the vehicle 70 as in the first embodiment, as shown in FIG. The connection of the charging cable 741 is also the same as in the first embodiment.

After the vehicle has stopped, the operator, who is a passenger, for example, as shown in FIGS. 4 and 5, turns the activation switch 222 to the on position to cause the heat medium supply device 10 to cool the battery 72 when charging the vehicle. Switch.

When the operation switch 222 of the heat medium supply device 10 is switched to the on position, the vehicle-side control unit 76 controls the temperature control device 40 when charging of the battery 72 is started, as in the first embodiment. Activate. Specifically, the vehicle-side control unit 76 operates the compressor 441, the radiator-side pump 451, and the evaporator-side pump 461. Thereby, it becomes possible to cool the battery 72 by heat exchange between the supply fluid supplied to the outside air heat exchanger 423 and the battery 72.

Further, when the operation switch 222 is switched to the on position, the control device 20 of the heat medium supply device 10 controls the blower 12 (FIG. ), the cooling device 14, and the spray device 18 are respectively operated. As a result, the blowing unit 26 of the heat medium supply device 10 blows out the heat medium for battery cooling as indicated by the arrow A1 in FIGS. supply to

In this way, when the battery 72 is cooled during vehicle charging, the heat of the battery 72 is transferred from the battery 72 to the evaporator side liquid medium, the refrigerant of the refrigeration cycle 44, and the radiator side liquid medium in this order. and is released from the liquid medium on the radiator side to the heat medium for cooling the battery. As a result, the battery 72 is cooled. Note that the heat medium for battery cooling in this embodiment is the same as the heat medium for battery cooling in the first embodiment.

When charging of the battery 72 by the charging device 74 is completed, the vehicle-side control unit 76 stops the temperature control device 40 similarly to the first embodiment. Then, the control device 20 of the heat medium supply device 10 stops the blower 12, the cooling device 14, and the spray device 18. Further, when charging of the battery 72 by the charging device 74 is completed, the activation switch 222 of the heat medium supply device 10 automatically returns to the off position, for example, similarly to the first embodiment.

(1) As described above, according to this embodiment, the refrigeration cycle 44 includes a compressor 441, a radiator 442, an expansion valve 443, and an evaporator 444. Then, the refrigerant circulating in the refrigeration cycle 44 flows through the compressor 441 , the radiator 442 , the expansion valve 443 , and the evaporator 444 in this order, and returns to the compressor 441 . Further, the radiator side fluid circuit 45 has an outside air heat exchanger 423, and in the radiator side fluid circuit 45, a radiator side liquid medium as a heat exchange fluid is provided between the outside air heat exchanger 423 and the radiator 442. circulate. Further, the radiator 442 of the refrigeration cycle 44 radiates heat from the refrigerant of the refrigeration cycle 44 to the liquid medium on the radiator side. On the other hand, the evaporator 444 of the refrigeration cycle 44 absorbs heat from the battery 72 to the refrigerant via the evaporator-side liquid medium circulating in the evaporator-side fluid circuit 46, and evaporates the refrigerant.

Therefore, since the piping of the radiator-side fluid circuit 45 is interposed between the refrigeration cycle 44 and the outside air heat exchanger 423, the layout of each component of the refrigeration cycle 44 is less likely to be restricted by the outside air heat exchanger 423. There is. For example, the battery cooling capacity for cooling the battery 72 is compared with simple heat exchange between the battery cooling heat medium blown out from the heat medium supply device 10 and the liquid medium flowing through the battery heat exchanger 721. It can be increased by cycle 44.

Except for what has been explained above, this embodiment is the same as the first embodiment. In this embodiment, the same effects as in the first embodiment can be obtained from the configuration common to the first embodiment described above.

(Third embodiment)
Next, a third embodiment will be described. In this embodiment, differences from the second embodiment described above will be mainly explained.

As shown in FIG. 6, in this embodiment, the temperature control device 40 of the vehicle 70 includes a refrigeration cycle 44 and an evaporator-side fluid circuit 46, but a radiator-side fluid circuit 45 (see FIG. 5) does not have. In this point, this embodiment differs from the second embodiment. Note that the heat medium supply device 10 and the temperature control device 40 of this embodiment are used exclusively for cooling the battery 72, as in the second embodiment, and do not have a function of promoting warm-up of the battery 72.

Specifically, in this embodiment, since the radiator-side fluid circuit 45 (see FIG. 5) is not provided, the outside air heat exchanger 423 for exchanging heat between the radiator-side liquid medium and the outside air is also not provided. Instead, in this embodiment, the radiator 442 of the refrigeration cycle 44 functions as an outside air heat exchanger that exchanges heat between the refrigerant as the heat exchange fluid and the supply fluid that is outside air. That is, the radiator 442 of this embodiment radiates heat from the refrigerant to the supplied fluid and condenses the refrigerant by heat exchange between the refrigerant and the supplied fluid passing through the radiator 442.

Therefore, the arrangement of the radiator 442 in the vehicle 70 of this embodiment is similar to the outside air heat exchanger 423 (see FIG. 4) of the second embodiment. Furthermore, unlike the second embodiment, the radiator 442 of this embodiment does not exchange heat between the refrigerant and the liquid medium, and therefore has a liquid medium inlet 442c (see FIG. 5) and a liquid medium outlet 442d. Not yet.

(1) As described above, according to this embodiment, the refrigeration cycle 44 includes a compressor 441, a radiator 442, an expansion valve 443, and an evaporator 444, and the radiator 442 is an outside air heat exchanger. functions as The refrigerant as a heat exchange fluid circulating in the refrigeration cycle 44 flows through the compressor 441 , the radiator 442 , the expansion valve 443 , and the evaporator 444 in this order and returns to the compressor 441 . Further, the radiator 442 of the refrigeration cycle 44 radiates heat from the refrigerant of the refrigeration cycle 44 to the heat medium blown out from the blow-off portion 26 of the heat medium supply device 10 or to the supply fluid which is the outside air. On the other hand, the evaporator 444 of the refrigeration cycle 44 absorbs heat from the battery 72 to the refrigerant via the evaporator-side liquid medium circulating in the evaporator-side fluid circuit 46, and evaporates the refrigerant.

Therefore, for example, in comparison with simple heat exchange between the battery cooling heat medium blown out from the heat medium supply device 10 and the liquid medium flowing through the battery heat exchanger 721, the battery cooling capacity for cooling the battery 72 can be reduced by freezing. It can be increased by cycle 44.

Except for what has been explained above, this embodiment is the same as the second embodiment. Further, in this embodiment, the same effects as in the second embodiment can be obtained from the configuration common to the above-described second embodiment.

(Fourth embodiment)
Next, a fourth embodiment will be described. In this embodiment, differences from the second embodiment described above will be mainly explained.

As shown in FIG. 7, in this embodiment, the outside air heat exchanger 423 included in the radiator-side fluid circuit 45 is referred to as a first outside air heat exchanger 423, and the radiator-side liquid The feed fluid that is subjected to heat exchange with the medium is referred to as the first feed fluid.

The heat medium supply device 10 and the temperature control device 40 of this embodiment are not only used for cooling the battery 72, but also have a function of cooling the battery 72 and a function of promoting warm-up of the battery 72. Therefore, in this embodiment, the heat medium supply device 10 has the heating device 16, and the operating device 22 (see FIG. 2) has the cooling/warming-up changeover switch 221, as in the first embodiment.

The evaporator-side fluid circuit 46 of this embodiment includes a flow path switching mechanism 464 and a second outside air heat exchanger 465 in addition to an evaporator-side pump 461, a battery heat exchanger 721, and the like. Note that the evaporator-side liquid medium circulating in the evaporator-side fluid circuit 46 of this embodiment corresponds to the evaporator-side fluid of the present disclosure.

In the evaporator-side fluid circuit 46 of this embodiment, the discharge port 461a of the evaporator-side pump 461 is connected to the liquid medium inlet 444c of the evaporator 444, and the liquid medium outlet 444d of the evaporator 444 is connected to the inlet of the flow path switching mechanism 464. It is connected to port 464a. Further, the first outlet port 464b of the flow path switching mechanism 464 is connected to the liquid medium inlet 721a of the battery heat exchanger 721, and the second outlet port 464c of the flow path switching mechanism 464 is connected to the liquid medium inlet 721a of the second outside air heat exchanger 465. It is connected to the inlet 465a. Further, the liquid medium outlet 721b of the battery heat exchanger 721 and the liquid medium outlet 465b of the second outside air heat exchanger 465 are connected to the suction port 461b of the evaporator side pump 461.

Therefore, in the evaporator-side fluid circuit 46, when the evaporator-side pump 461 operates, the evaporator-side liquid medium discharged from the discharge port 461a of the evaporator-side pump 461 is directed to the evaporator 444 and then to the flow path switching mechanism 464. flows. Then, the evaporator side liquid medium that has flown to the flow path switching mechanism 464 flows to one or both of the battery heat exchanger 721 and the second outside air heat exchanger 465 depending on the switching state of the flow path switching mechanism 464. , is sucked into the suction port 461b of the evaporator side pump 461.

As described above, in the evaporator-side fluid circuit 46 of the present embodiment, the evaporator-side liquid medium exchanges heat with the refrigerant of the refrigeration cycle 44 in the evaporator 444, and exchanges heat with the second outside air from the evaporator 444 with the battery heat exchanger 721. It is configured to be able to flow to the container 465.

As shown in FIGS. 7 and 8, the second outside air heat exchanger 465 of this embodiment is a heat exchanger different from the first outside air heat exchanger 423, and is 423 is located at a different location. The second outside air heat exchanger 465 exchanges heat between the evaporator side liquid medium and the second supply fluid, which is outside air.

The second outside air heat exchanger 465 of this embodiment is the same as the first outside air heat exchanger 423 except that it is included in the evaporator side fluid circuit 46 and its location.

That is, as shown in FIG. 8, the second outside air heat exchanger 465 allows the blowing section 26 of the heat medium supply device 10 installed outside the vehicle 70 to supply a second supply of the heat medium blown out from the blowing section 26. It is arranged so that it can be supplied to the second outside air heat exchanger 465 as a fluid. For example, the second outside air heat exchanger 465 may be arranged in line with the first outside air heat exchanger 423 in the left-right direction of the vehicle. Alternatively, since the first outside air heat exchanger 423 is placed on the front side of the vehicle 70, the second outside air heat exchanger 465 may be placed on the rear side of the vehicle 70.

In this way, the first outside air heat exchanger 423 and the second outside air heat exchanger 465 are separately arranged in the vehicle 70 of this embodiment. Therefore, as shown in FIGS. 7 and 8, when charging the vehicle, the blowing section 26 of the heat medium supply device 10 may blow out the heat medium to the first outside air heat exchanger 423, or may blow out the heat medium to the second outside air heat exchanger 423. The heat medium may be blown into the container 465 in some cases.

The flow path switching mechanism 464 is an electric three-way valve controlled by the vehicle-side control unit 76 (see FIG. 4). The flow path switching mechanism 464 has an inlet port 464a, a first outlet port 464b, and a second outlet port 464c. The flow path switching mechanism 464 is switched between a distribution state and a second port fully closed state.

When the flow path switching mechanism 464 is switched to the dispensing state, the flow path switching mechanism 464 allows the inlet port 464a to communicate with both the first outlet port 464b and the second outlet port 464c.
Further, when the flow path switching mechanism 464 is switched to the second port fully closed state, the flow path switching mechanism 464 allows the inlet port 464a and the first outlet port 464b to communicate with each other, while fully closing the second outlet port 464c. do. Note that fully closing the second outlet port 464c means that the second outlet port 464c is blocked and the flow of the evaporator-side liquid medium at the second outlet port 464c is blocked.

In the vehicle 70 configured as described above, when charging the battery 72 with the charging device 74, the occupant charges the heat medium supply device 10 to the first outside air heat exchanger 423 or the second outside air heat exchanger 465 of the vehicle 70. The vehicle 70 is stopped so that the air outlet portions 26 (see FIG. 4) are facing each other. However, in order to have the heat medium supply device 10 warm up the battery 72 when charging the vehicle, the occupant should use the second outside air heat exchanger 465 instead of the first outside air heat exchanger 423 to warm up the battery 72 . The vehicle 70 is stopped so that the air outlet portions 26 of the two are facing each other.

In this embodiment, when the blow-off section 26 faces the first outside air heat exchanger 423, it can supply the heat medium to the first outside air heat exchanger 423, but it can supply the heat medium to the second outside air heat exchanger 465. cannot supply heat medium. In other words, the case where the blow-off section 26 faces the first outside air heat exchanger 423 means that the blow-off section 26 supplies the heat medium to the first outside air heat exchanger 423 while supplying the heat medium to the second outside air heat exchanger 465. This is the case if you don't.

Conversely, when the blowout section 26 faces the second outside air heat exchanger 465, it can supply the heat medium to the second outside air heat exchanger 465, but it cannot supply heat to the first outside air heat exchanger 423. Unable to supply media. In other words, the case where the blowing section 26 is opposed to the second outside air heat exchanger 465 means that the blowing section 26 supplies the heat medium to the second outside air heat exchanger 465 while supplying the heat medium to the first outside air heat exchanger 423. This is the case if you don't.

The operations of the switches 221 and 222 by the operator (for example, a passenger) and the connection of the charging cable 741 when charging the vehicle are the same as in the first embodiment.

The vehicle-side control unit 76 acquires, for example, information indicating which of the first outside air heat exchanger 423 and the second outside air heat exchanger 465 the blowing portion 26 of the heat medium supply device 10 faces. For example, this information may be provided in the vehicle 70 with a proximity sensor that detects the approach of the blow-off section 26 and inputted to the vehicle-side control section 76 from the proximity sensor, or the information may be inputted to the vehicle-side control section 76 by manual operation by the operator. may be input to

When the cooling/warming-up changeover switch 221 is switched to the cooling position and the activation switch 222 is switched to the on position, and the blowing section 26 faces the first outside air heat exchanger 423, the vehicle-side control section 76 The control device 20 of the heat medium supply device 10 performs the following control.

That is, in that case, when charging of the battery 72 is started, the vehicle-side control unit 76 operates the temperature control device 40. Specifically, the vehicle-side control unit 76 operates the compressor 441, the radiator-side pump 451, and the evaporator-side pump 461. At the same time, the vehicle-side control unit 76 switches the flow path switching mechanism 464 to the second port fully closed state. Thereby, the flow path switching mechanism 464 allows the evaporator-side liquid medium to flow from the evaporator 444 to the battery heat exchanger 721, and also allows the evaporator-side liquid medium to flow from the evaporator 444 to the second outside air heat exchanger 465. Cut off. As a result, heat exchange between the first supply fluid supplied to the first outside air heat exchanger 423 and the battery 72 becomes possible.

Then, when charging of the battery 72 is started, the control device 20 of the heat medium supply device 10 operates the blower 12, the cooling device 14, and the spray device 18, without operating the heating device 16. As a result, the blowing section 26 supplies the battery cooling heat medium, which has a lower temperature than the outside air and a higher absolute moisture content than the outside air, to the first outside air heat exchanger 423 as the first supply fluid. As a result, the blow-off section 26 is more effective than the radiator in the first outside air heat exchanger 423, compared to the case where the outside air exchanges heat with the radiator-side liquid medium in the first outside air heat exchanger 423 instead of the heat medium. Increases the amount of heat dissipated from the side liquid medium.

In this way, when the heat medium for battery cooling is supplied to the first outside air heat exchanger 423 to cool the battery 72 during vehicle charging, the heat of the battery 72 is transferred from the battery 72 to the evaporator side. The liquid medium, the refrigerant of the refrigeration cycle 44, and the liquid medium on the radiator side are transmitted in this order. Then, the heat is released from the liquid medium on the radiator side to the heat medium for cooling the battery. As a result, the battery 72 is cooled.

In addition, when the cooling/warming-up changeover switch 221 is switched to the cooling position and the activation switch 222 is switched to the on position, and the blowing part 26 is facing the second outside air heat exchanger 465, the vehicle side control The control device 20 of the section 76 and the heat medium supply device 10 performs the following control.

That is, in that case, when charging of the battery 72 is started, the vehicle-side control unit 76 operates the temperature control device 40. Specifically, the vehicle-side control unit 76 operates the evaporator-side pump 461 while stopping the compressor 441 and the radiator-side pump 451. At the same time, the vehicle-side control unit 76 switches the flow path switching mechanism 464 to the distribution state. Thereby, the flow path switching mechanism 464 allows the evaporator-side liquid medium to flow from the evaporator 444 to each of the battery heat exchanger 721 and the second outside air heat exchanger 465. That is, in the evaporator-side fluid circuit 46, the evaporator-side liquid medium circulates through the second outside air heat exchanger 465, the battery heat exchanger 721, and the evaporator 444. As a result, heat exchange between the second supply fluid supplied to the second outside air heat exchanger 465 and the battery 72 becomes possible.

Then, when charging of the battery 72 is started, the control device 20 of the heat medium supply device 10 operates the blower 12, the cooling device 14, and the spray device 18, without operating the heating device 16. Thereby, the blowing part 26 supplies the above-mentioned battery cooling heat medium to the second outside air heat exchanger 465 as the second supply fluid. As a result, compared to the case where the outside air instead of the heat medium exchanges heat with the evaporator side liquid medium in the second outside air heat exchanger 465, the blowing part 26 Increases the amount of heat dissipated from the side liquid medium.

In this way, when the heat medium for battery cooling is supplied to the second outside air heat exchanger 465 to cool the battery 72 during vehicle charging, the evaporator side is circulated to the evaporator side fluid circuit 46. The liquid medium is cooled by a heat medium for cooling the battery. As a result, the battery 72 that exchanges heat with the evaporator side liquid medium is also cooled.

Further, when the cooling/warming-up changeover switch 221 is switched to the warm-up position and the operation switch 222 is switched to the on-position, and the blowing part 26 faces the second outside air heat exchanger 465, the vehicle side The control unit 76 and the control device 20 of the heat medium supply device 10 perform the following control.

That is, in that case, when charging of the battery 72 is started, the vehicle-side control unit 76 operates the temperature control device 40. Specifically, the vehicle-side control unit 76 operates the evaporator-side pump 461 while stopping the compressor 441 and the radiator-side pump 451. At the same time, the vehicle-side control unit 76 switches the flow path switching mechanism 464 to the distribution state. As a result, heat exchange between the second supply fluid supplied to the second outside air heat exchanger 465 and the battery 72 becomes possible.

Then, when charging of the battery 72 is started, the control device 20 of the heat medium supply device 10 operates the blower 12 and the heating device 16, respectively, without operating the cooling device 14 and the spray device 18. Thereby, the blowing part 26 supplies the battery warm-up heat medium, which has a higher temperature than the outside air, to the second outside air heat exchanger 465 as the second supply fluid. As a result, compared to the case where the outside air instead of the heat medium exchanges heat with the evaporator side liquid medium in the second outside air heat exchanger 465, the blowing part 26 Increases the amount of heat absorbed by the side liquid medium.

In this way, when the heat medium for warming up the battery is supplied to the second outside air heat exchanger 465 to warm up the battery 72 during vehicle charging, the evaporation medium circulates to the evaporator side fluid circuit 46. The liquid medium on the side of the battery is warmed by a heat medium for warming up the battery. As a result, the battery 72 that exchanges heat with the evaporator side liquid medium is also warmed.

As described above, the battery 72 is charged by the charging device 74, and the battery 72 is cooled or warmed up by the thermal medium supply device 10. Then, when charging of the battery 72 by the charging device 74 is completed, the vehicle-side control unit 76 stops the temperature control device 40. Then, the control device 20 of the heat medium supply device 10 stops the blower 12 and also stops the operating devices among the cooling device 14, heating device 16, and spray device 18. Further, when charging of the battery 72 by the charging device 74 is completed, for example, the operation switch 222 of the heat medium supply device 10 automatically returns to the off position.

(1) As described above, according to the present embodiment, the radiator side fluid circuit 45 having the first outside air heat exchanger 423, the refrigeration cycle 44, the second outside air heat exchanger 465, and the battery heat exchanger 721 The vehicle 70 is provided with an evaporator-side fluid circuit 46 having an evaporator-side liquid medium and through which an evaporator-side liquid medium circulates.

When the battery 72 is cooled during vehicle charging, the blow-off section 26 of the heat medium supply device 10 may supply a heat medium for cooling the battery to the first outside air heat exchanger 423. In that case, the blowing section 26 supplies a heat medium for cooling the battery, which has a lower temperature than the outside air and a higher absolute moisture content than the outside air, to the first outside air heat exchanger 423 as the first supply fluid. As a result, the blow-off section 26 is able to connect to the first outside air heat exchanger 423, compared to a case where outside air is exchanged with the radiator-side liquid medium at the first outside air heat exchanger 423 instead of the heat medium for cooling the battery. Increase the amount of heat released from the liquid medium on the radiator side.

On the other hand, when the battery 72 is cooled during vehicle charging, the blow-off section 26 of the heat medium supply device 10 may supply a heat medium for cooling the battery to the second outside air heat exchanger 465. In that case, the blowout section 26 supplies the above-mentioned battery cooling heat medium to the second outside air heat exchanger 465 as the second supply fluid. As a result, the blow-off section 26 is able to transfer heat to the second outside air heat exchanger 465, compared to the case where outside air is exchanged with the evaporator side liquid medium in the second outside air heat exchanger 465 instead of the heat medium for cooling the battery. Increase the amount of heat dissipated from the liquid medium on the evaporator side.

Therefore, as a method for cooling the battery 72 during vehicle charging, it is possible to select a battery cooling method using the refrigeration cycle 44 or a battery cooling method not using the refrigeration cycle 44 depending on the situation.

(2) Furthermore, according to the present embodiment, as shown in FIG. The liquid medium is passed from the evaporator 444 to the battery heat exchanger 721 and the second outside air heat exchanger 465, respectively.

Further, as shown in FIG. 7, when the blow-off section 26 supplies the heat medium to the first outside air heat exchanger 423 but does not supply it to the second outside air heat exchanger 465, the flow path switching mechanism 464 The flow of the side liquid medium is as follows. That is, in that case, the flow path switching mechanism 464 allows the evaporator-side liquid medium to flow from the evaporator 444 to the battery heat exchanger 721, while flowing the evaporator-side liquid medium from the evaporator 444 to the second outside air heat exchanger 465. Cut off the flow of media.

Therefore, when there is no need for the evaporator-side liquid medium to flow to the second outside air heat exchanger 465, the flow of the evaporator-side liquid medium to the second outside air heat exchanger 465 is appropriately stopped. It is possible to efficiently exchange heat in the vessel 721.

Except for what has been explained above, this embodiment is the same as the second embodiment. Further, in this embodiment, the same effects as in the second embodiment can be obtained from the configuration common to the above-described second embodiment.

(Fifth embodiment)
Next, a fifth embodiment will be described. In this embodiment, differences from the fourth embodiment described above will be mainly explained.

As shown in FIG. 9, in this embodiment, the circuit configurations of the refrigeration cycle 44, the radiator side fluid circuit 45, and the evaporator side fluid circuit 46 are the same as in the fourth embodiment. In this embodiment, the layout of the first outside air heat exchanger 423 and the second outside air heat exchanger 465 is different from that in the fourth embodiment.

Specifically, the first outside air heat exchanger 423 and the second outside air heat exchanger 465 are integrated by bolting or the like, and constitute the composite outside air heat exchanger 47. The arrangement of the composite outside air heat exchanger 47 in the vehicle 70 is similar to the arrangement of the outside air heat exchanger 423 of the first embodiment. That is, the composite outside air heat exchanger 47 is arranged, for example, on the front side of the vehicle 70 so that it is exposed to outside air as a running wind when the vehicle is running. With this arrangement, the outside air as the running wind passes through the outside air inlet 70a (see FIG. 4), which is provided on the front side of the vehicle 70 than the composite outside air heat exchanger 47 and penetrates in the vehicle longitudinal direction D1. It is supplied to the heat exchanger 47.

In the composite outside air heat exchanger 47, for example, a first outside air heat exchanger 423 and a second outside air heat exchanger 465 are stacked in the vehicle longitudinal direction D1, and the first outside air heat exchanger 423 is stacked on the second outside air heat exchanger 465. On the other hand, they are arranged side by side on the front side of the vehicle. Therefore, when the supply fluid, which is the heat medium or outside air, blown out from the blowout part 26 of the heat medium supply device 10 is supplied to the composite outside air heat exchanger 47 from the front side of the vehicle, the supply fluid is first transferred to the first outside air heat exchanger 47. 423. Then, the supply fluid passes through the first outside air heat exchanger 423 and then is supplied to the second outside air heat exchanger 465. In addition, in this embodiment, since the first outside air heat exchanger 423 and the second outside air heat exchanger 465 are integrated, the first supply fluid and the second supply fluid used in the description of the fourth embodiment The fluid may be collectively referred to as the supply fluid.

In the vehicle 70 configured as described above, when charging the battery 72 using the charging device 74, the occupant stops the vehicle 70 in a posture similar to that of the first embodiment with respect to the heat medium supply device 10, for example.

Note that, as shown in FIG. 9, the first outside air heat exchanger 423 and the second outside air heat exchanger 465 of this embodiment are integrally configured, so that the blowing portion 26 is directed toward the first outside air heat exchanger 423. If the air outlet 26 is open, the outlet 26 also opens toward the second outside air heat exchanger 465 . Therefore, unlike the fourth embodiment, the vehicle-side control unit 76 of this embodiment indicates which of the first outside air heat exchanger 423 and the second outside air heat exchanger 465 the blowing portion 26 is facing. No need to obtain information.

The operations of the switches 221 and 222 by the operator (for example, a passenger) and the connection of the charging cable 741 when charging the vehicle are the same as in the fourth embodiment.

When the cooling/warming-up changeover switch 221 is switched to the cooling position and the operation switch 222 is switched to the on position, the vehicle-side control unit 76 and the control device 20 of the heat medium supply device 10 perform the following control. .

That is, in that case, when charging of the battery 72 is started, the vehicle-side control unit 76 operates the temperature control device 40. Specifically, the vehicle-side control unit 76 operates the compressor 441, the radiator-side pump 451, and the evaporator-side pump 461. At the same time, the vehicle-side control unit 76 switches the flow path switching mechanism 464 to the distribution state. Thereby, the flow path switching mechanism 464 allows the evaporator-side liquid medium to flow from the evaporator 444 to each of the battery heat exchanger 721 and the second outside air heat exchanger 465. As a result, the supply fluid passing through the first outside air heat exchanger 423 can exchange heat with the battery 72 via the radiator side liquid medium, the refrigerant of the refrigeration cycle 44, and the evaporator side liquid medium. At the same time, the feed fluid passing through the second outside air heat exchanger 465 can exchange heat with the battery 72 via the evaporator side liquid medium.

Then, when charging of the battery 72 is started, the control device 20 of the heat medium supply device 10 performs the same control as in the case where the battery 72 is cooled in the fourth embodiment. Thereby, the blowing part 26 supplies the same heat medium for battery cooling as in the fourth embodiment to the composite outside air heat exchanger 47 as a supply fluid. That is, the blowing section 26 supplies the battery cooling heat medium to the first outside air heat exchanger 423 and the second outside air heat exchanger 465. As a result, the blowout section 26 is able to exchange heat with the radiator side liquid medium and the evaporator side liquid medium in the composite outside air heat exchanger 47 instead of the heat medium. Increases the amount of heat released from the liquid medium.

In this way, when the heat medium for battery cooling is supplied to the composite outside air heat exchanger 47 to cool the battery 72 during vehicle charging, the heat of the battery 72 is transferred via the liquid medium on the evaporator side. The second outside air heat exchanger 465 discharges the heat to a heat medium for cooling the battery. At the same time, the heat of the battery 72 is transferred from the battery 72 to the evaporator side liquid medium, the refrigerant of the refrigeration cycle 44, and the radiator side liquid medium in this order, and from the radiator side liquid medium in the first outside air heat exchanger 423. It is released into the heat medium for battery cooling. As a result, the battery 72 is cooled.

On the other hand, when the cooling/warming-up changeover switch 221 is switched to the warm-up position and the operation switch 222 is switched to the on-position, the vehicle-side control unit 76 and the control device 20 of the heat medium supply device 10 operate as follows. Take control. That is, in that case, when charging of the battery 72 is started, the vehicle-side control unit 76 and the control device 20 of the heat medium supply device 10 each perform the same operations as in the case where the battery 72 is warmed up in the fourth embodiment. Take control. Specifically, in the temperature control device 40 of the vehicle 70, the evaporator pump 461 is operated while the compressor 441 and the radiator pump 451 are stopped. In the heat medium supply device 10, the blower 12 and the heating device 16 are operated while the cooling device 14 and the spray device 18 are stopped.

By operating the blower 12 and the heating device 16 in the heat medium supply device 10, the blowing section 26 supplies the same heat medium for warming up the battery as in the fourth embodiment to the composite outside air heat exchanger 47 as a supply fluid. do. As a result, the blowout section 26 increases the amount of heat absorbed by the evaporator-side liquid medium compared to the case where outside air exchanges heat with the evaporator-side liquid medium in the composite outside air heat exchanger 47 instead of the heat medium.

In this way, when the heat medium for warming up the battery is supplied to the composite outside air heat exchanger 47 to warm up the battery 72 during vehicle charging, the evaporator is circulated to the evaporator side fluid circuit 46. Since the side liquid medium is warmed by the heat medium for warming up the battery, the battery 72 is also warmed.

After the charging of the battery 72 by the charging device 74 is completed, this embodiment is also similar to the fourth embodiment.

(1) As described above, according to the present embodiment, the first outside air heat exchanger 423 and the second outside air heat exchanger 465 allow the heat medium that has passed through the first outside air heat exchanger 423 to be transferred to the second outside air heat exchanger. They are arranged side by side so as to be supplied to the container 465. The first outside air heat exchanger 423 and the second outside air heat exchanger 465 are integrally configured. Therefore, it is easy to integrate the radiator-side fluid circuit 45 and the evaporator-side fluid circuit 46, so that the number of their component parts can be reduced.

(2) Also, according to the present embodiment, the first outside air heat exchanger 423 and the second outside air heat exchanger 465 constitute a composite outside air heat exchanger 47, and the heat medium that has passed through the first outside air heat exchanger 423 are arranged in line so that they are supplied to the second outside air heat exchanger 465. When the battery 72 is cooled during vehicle charging, the blowing section 26 uses a heat medium for battery cooling, which has a lower temperature than the outside air and a higher absolute moisture content than the outside air, as a supply fluid. It is supplied to the composite outside air heat exchanger 47. On the other hand, when the battery 72 is warmed up during vehicle charging, the compressor 441 of the refrigeration cycle 44 is stopped, and the blow-off section 26 supplies heat for warming up the battery, which has a higher temperature than the outside air. The medium is supplied to the composite outside air heat exchanger 47 as a supply fluid.

Therefore, the operator does not have to choose which of the first outside air heat exchanger 423 and the second outside air heat exchanger 465 the blowing part 26 of the heat medium supply device 10 should face, and the battery 72 when charging the vehicle. It is possible to have the heat medium supply device 10 perform both cooling of the battery 72 and warming up of the battery 72 .

Further, according to the present embodiment, when the battery 72 is cooled during vehicle charging, the compressor 441, the radiator side pump 451, and the evaporator side pump 461 of the refrigeration cycle 44 are operated. Thereby, the heat of the battery 72 is released to the battery cooling heat medium in the second outside air heat exchanger 465 via the evaporator side liquid medium. At the same time, the heat of the battery 72 is transferred from the battery 72 to the evaporator side liquid medium, the refrigerant of the refrigeration cycle 44, and the radiator side liquid medium in this order, and from the radiator side liquid medium in the first outside air heat exchanger 423. It is released into the heat medium for battery cooling. In this way, the heat of the battery 72 is released to the battery cooling heat medium through the two heat transfer paths, so that the battery 72 can be efficiently cooled.

Except for what has been explained above, this embodiment is the same as the fourth embodiment. Further, in this embodiment, the same effects as in the fourth embodiment can be obtained from the configuration common to the fourth embodiment described above.

Note that although this embodiment is a modification based on the fourth embodiment, it is also possible to combine this embodiment with the third embodiment described above. For example, in a modified example in which the present embodiment and the third embodiment are combined, the evaporator-side fluid circuit 46 in FIG. 6 is replaced with the evaporator-side fluid circuit 46 in FIG. 9. The radiator 442 in FIG. 6 is integrated with the second outside air heat exchanger 465 of the evaporator side fluid circuit 46, and the radiator 442 and the second outside air heat exchanger 465 are stacked in the vehicle longitudinal direction D1. .

(Sixth embodiment)
Next, a sixth embodiment will be described. In this embodiment, differences from the second embodiment described above will be mainly explained.

The heat medium supply device 10 and the temperature control device 40 of this embodiment shown in FIG. 10 are only used to warm up the battery 72, and do not have a function of cooling the battery 72. Therefore, although the heat medium supply device 10 has the blower 12 and the heating device 16, it does not have the cooling device 14 and the spray device 18. For example, the blower 12 and heating device 16 of this embodiment are the same as those of the first embodiment.

Further, as shown in FIG. 10, in this embodiment, the temperature control device 40 of the vehicle 70 has a refrigeration cycle 44, but a radiator-side fluid circuit 45 (see FIG. 5) and an evaporator-side fluid circuit 46 and does not have. The temperature control device 40 has a radiator-side fluid circuit 48 that is different from the radiator-side fluid circuit 45 of the second embodiment. That is, the temperature control device 40 of this embodiment includes a refrigeration cycle 44 and a radiator-side fluid circuit 48. In these points, this embodiment differs from the second embodiment.

Specifically, in this embodiment, since the radiator-side fluid circuit 45 (see FIG. 5) is not provided, the outside air heat exchanger 423 for exchanging heat between the radiator-side liquid medium and the outside air is also not provided. In this embodiment, the evaporator 444 of the refrigeration cycle 44 functions as an outside air heat exchanger that exchanges heat between the refrigerant as a heat exchange fluid and the supply fluid, which is outside air. That is, the evaporator 444 of this embodiment causes the refrigerant to absorb heat from the refrigerant and evaporate the refrigerant by heat exchange between the refrigerant and the supply fluid passing through the evaporator 444.

Therefore, the arrangement of the evaporator 444 in the vehicle 70 of this embodiment is similar to the outside air heat exchanger 423 (see FIG. 4) of the second embodiment. Furthermore, unlike the second embodiment, the evaporator 444 of this embodiment does not exchange heat between the refrigerant and the liquid medium, and thus has a liquid medium inlet 444c (see FIG. 5) and a liquid medium outlet 444d. Not yet.

The radiator-side fluid circuit 48 is a fluid circuit in which a radiator-side liquid medium, which is a liquid medium, circulates. For example, the radiator-side liquid medium that circulates in the radiator-side fluid circuit 48 is the same liquid medium as the radiator-side liquid medium that circulates in the radiator-side fluid circuit 45 (FIG. 5) of the second embodiment.

The radiator-side fluid circuit 48 includes a radiator-side pump 481, a battery heat exchanger 721, and piping connecting them.

In the radiator-side fluid circuit 48, the discharge port 481a of the radiator-side pump 481 is connected to the liquid medium inlet 721a of the battery heat exchanger 721, and the liquid medium outlet 721b of the battery heat exchanger 721 is connected to the liquid medium inlet of the radiator 442. 442c. Further, the liquid medium outlet 442d of the radiator 442 is connected to the suction port 481b of the radiator pump 481. Therefore, in the radiator-side fluid circuit 48, when the radiator-side pump 481 is activated, the radiator-side liquid medium discharged from the discharge port 481a of the radiator-side pump 481 is delivered to the battery heat exchanger 721 and then to the radiator 442. After flowing, it is sucked into the suction port 481b of the radiator side pump 481.

The radiator-side pump 481 has a discharge port 481a and a suction port 481b, and discharges the radiator-side liquid medium sucked in from the suction port 481b from the discharge port 481a. The radiator side pump 481 is an electric pump similar to the pump 421 of the first embodiment, and the operation of the radiator side pump 481 is controlled by the vehicle side control unit 76.

The battery heat exchanger 721 of this embodiment is the same as the battery heat exchanger 721 of the second embodiment, except that it is included in the radiator-side fluid circuit 48 of FIG. 10 instead of the evaporator-side fluid circuit 46 of FIG. The same is true. Therefore, the arrangement of the battery heat exchanger 721 with respect to the battery 72 of this embodiment is the same as that of the second embodiment. The battery heat exchanger 721 of this embodiment exchanges heat between the battery 72 and the radiator-side liquid medium that has flowed into the battery heat exchanger 721 from the liquid medium inlet 721a.

With such a configuration of the radiator-side fluid circuit 48, the radiator 442 of the refrigeration cycle 44 radiates heat from the refrigerant to the battery 72 via the radiator-side liquid medium circulating in the radiator-side fluid circuit 48, and the refrigerant to condense. That is, the heat radiator 442 of this embodiment functions as a condenser for increasing battery temperature.

In the vehicle 70 configured as described above, when charging the battery 72 using the charging device 74, the occupant stops the vehicle 70 as in the second embodiment. The connection of the charging cable 741 is also the same as in the second embodiment.

After the vehicle has stopped, the operator, who is, for example, a passenger, switches the activation switch 222 to the on position to cause the heat medium supply device 10 to warm up the battery 72 when charging the vehicle, as shown in FIG.

When the operation switch 222 of the heat medium supply device 10 is switched to the on position, the vehicle-side control unit 76 controls the temperature control device 40 when charging of the battery 72 is started, as in the second embodiment. Activate. Specifically, the vehicle-side control unit 76 operates the compressor 441 and the radiator-side pump 481. Thereby, it becomes possible to warm the battery 72 by heat exchange between the supply fluid supplied to the evaporator 444 as an outside air heat exchanger and the battery 72.

Further, when the operation switch 222 is switched to the on position, the control device 20 of the heat medium supply device 10 warms up the battery 72 in the first embodiment when charging of the battery 72 is started. Perform the same control as when the Specifically, in the heat medium supply device 10, the blower 12 and the heating device 16 are operated. Thereby, the blow-off section 26 supplies the same heat medium for warming up the battery as the supply fluid to the evaporator 444 in the first embodiment. As a result, the blow-off section 26 increases the amount of heat absorbed by the refrigerant in the evaporator 444, compared to the case where the outside air exchanges heat with the evaporator-side liquid medium in the composite outside air heat exchanger 47 instead of the heat medium.

In this way, when the battery 72 is warmed up by the heat medium supply device 10 during vehicle charging, the heat of the heat medium supplied from the blow-off section 26 is transferred from the evaporator 444 to the refrigerant of the refrigeration cycle 44. , and the liquid medium on the radiator side, and is discharged from the liquid medium on the radiator side to the battery 72. As a result, the battery 72 is warmed up, and warm-up of the battery 72 is promoted.

After the charging of the battery 72 by the charging device 74 is completed, this embodiment is also the same as the first embodiment.

(1) As described above, according to this embodiment, the refrigeration cycle 44 includes a compressor 441, a radiator 442, an expansion valve 443, and an evaporator 444, and the evaporator 444 is an outside air heat exchanger. functions as The refrigerant as a heat exchange fluid circulating in the refrigeration cycle 44 flows through the compressor 441 , the radiator 442 , the expansion valve 443 , and the evaporator 444 in this order and returns to the compressor 441 . Further, the evaporator 444 of the refrigeration cycle 44 causes the refrigerant of the refrigeration cycle 44 to absorb heat from the supply fluid, which is, for example, the heat medium blown out from the blow-off part 26 of the heat medium supply device 10 or the outside air, and also absorbs heat from the refrigerant. Evaporate. On the other hand, the radiator 442 of the refrigeration cycle 44 radiates heat from the refrigerant to the battery 72 via the radiator-side liquid medium circulating in the radiator-side fluid circuit 48, and condenses the refrigerant.

Therefore, for example, in comparison with simple heat exchange between the heat medium for warming up the battery blown out from the heat medium supply device 10 and the liquid medium flowing through the battery heat exchanger 721, the battery warming function for warming the battery 72 can be evaluated. This can be enhanced by the refrigeration cycle 44.

Moreover, as can be seen by comparing FIG. 6 and FIG. It is possible to switch to the temperature control device 40 for warming up.

Except for what has been explained above, this embodiment is the same as the second embodiment. Further, in this embodiment, the same effects as in the second embodiment can be obtained from the configuration common to the above-described second embodiment.

(Seventh embodiment)
Next, a seventh embodiment will be described. In this embodiment, differences from the fourth embodiment described above will be mainly explained.

As shown in FIG. 11, in this embodiment, the temperature control device 40 of the vehicle 70 includes a refrigeration cycle 44 and an evaporator-side fluid circuit 46, but a radiator-side fluid circuit 45 (see FIG. 8) does not have. In this point, this embodiment differs from the fourth embodiment. Note that the heat medium supply device 10 and the temperature control device 40 of this embodiment have a function of cooling the battery 72 and a function of promoting warm-up of the battery 72, similarly to the fourth embodiment.

Specifically, in this embodiment, since the radiator-side fluid circuit 45 (see FIG. 8) is not provided, the radiator 442 of the refrigeration cycle 44 does not have a liquid medium inlet 442c and a liquid medium outlet 442d. The heat radiator 442 of this embodiment is arranged in a space outside the vehicle interior in which a drive source such as a driving motor is housed, for example. The radiator 442 exchanges heat between the refrigerant and the outside air, thereby radiating heat from the refrigerant to the outside air and condensing the refrigerant.

Furthermore, in this embodiment, since the radiator-side fluid circuit 45 is not provided, the first outside air heat exchanger 423 (see FIG. 8) is also not provided. Therefore, in this embodiment, the second outside air heat exchanger 465 is simply referred to as an outside air heat exchanger 465, and the second supply fluid is simply referred to as a supply fluid.

Furthermore, the arrangement of the outside air heat exchanger 465 in the vehicle 70 of this embodiment is similar to the arrangement of the outside air heat exchanger 423 of the first embodiment.

In this embodiment, when the battery 72 is cooled or warmed up by the heat medium supply device 10 during vehicle charging, each operation of the heat medium supply device 10 and the temperature control device 40 of the vehicle 70 is similar to that of the fourth embodiment. This is the same as in the case where the blow-off portion 26 faces the second outside air heat exchanger 465.

However, in this embodiment, when the battery 72 is cooled by the heat medium supply device 10 during vehicle charging, the compressor 441 of the refrigeration cycle 44 may be stopped or operated. When the compressor 441 operates, it is possible to cool the battery 72 using both the heat medium supply device 10 and the refrigeration cycle 44.

Except for what has been explained above, this embodiment is the same as the fourth embodiment. Further, in this embodiment, the same effects as in the fourth embodiment can be obtained from the configuration common to the fourth embodiment described above.

(Other embodiments)
(1) In the first embodiment described above, as shown in FIG. 1, when the battery 72 is cooled during vehicle charging, both the cooling device 14 and the spray device 18 are operated. This is an example. For example, in that case, one of the cooling device 14 and the spray device 18 may be activated, and the other may be stopped. That is, in that case, the heat medium for cooling the battery that is blown out by the blowing part 26 may have a temperature that is not lower than the outside air but has a higher absolute moisture content than the outside air, or may have a higher absolute moisture content than the outside air. Although the absolute moisture content is not large, the temperature may be low compared to the outside air.

(2) In the first embodiment described above, the switching between cooling and warming up the battery 72 performed by the heat medium supply device 10 is performed according to manual operation by the operator, but this is only an example. For example, the control device 20 of the heat medium supply device 10 receives information indicating the temperature of the outside air and the temperature of the battery 72, and controls cooling and warming up of the battery 72 based on the temperature of the outside air and the temperature of the battery 72. There is no problem even if it is automatically switched and executed. In this case, the cooling/warming-up changeover switch 221 is unnecessary.

For example, when the heating medium supply device 10 automatically switches between cooling and warming up the battery 72 based on the temperature of the outside air, the following switching control is assumed. That is, in the switching control, an upper temperature determination value and a lower temperature determination value that is lower than the upper temperature determination value and deviates from the upper temperature determination value by more than a predetermined temperature difference are experimentally determined in advance. There is. Then, when the temperature of the outside air is equal to or higher than the upper temperature determination value, the control device 20 of the heat medium supply device 10 causes the heat medium for cooling the battery to be blown out from the blow-off portion 26 . On the other hand, if the temperature of the outside air is equal to or lower than the lower temperature determination value, the control device 20 blows out the heat medium for warming up the battery from the blowing section 26 .

(3) In the first embodiment described above, the vehicle-side control unit 76 exchanges information with the control device 20 (see FIG. 2) of the heat medium supply device 10 by wireless communication, wired communication, etc. This is just one example. It is not essential that information be exchanged between the control device 20 and the vehicle-side control section 76.

(4) In the first embodiment described above, when charging of the battery 72 is started, regardless of whether the battery 72 is being cooled or warmed up during vehicle charging, the heat medium is transferred to the heat medium supply device. The air is blown out from the air blowing section 26 of No. 10 to the outside air heat exchanger 423, but this is just an example. Various timings are assumed for when the blow-off section 26 starts blowing out the heat medium, and when charging the vehicle, the blow-off section 26 may start blowing out the heat medium before the start of charging of the battery 72, for example. If the blowing part 26 starts blowing out the heat medium before the start of charging of the battery 72 in this way, for example when warming up the battery 72 during rapid charging, then the battery 72 This shortens the time it takes to reach a temperature that allows rapid charging.

(5) In the first embodiment described above, the heat medium supply device 10 shown in FIG. 1 can cool and warm up the battery 72 respectively when charging the vehicle, but this is just an example. . For example, the heat medium supply device 10 may be configured to be able to cool the battery 72 but not to warm up the battery 72. In that case, the heating device 16 and the cooling/warming-up changeover switch 221 shown in FIG. 2 are unnecessary. Alternatively, the heat medium supply device 10 may be configured to be able to warm up the battery 72 but not to cool the battery 72. In that case, the cooling device 14, spray device 18, and cooling/warming-up changeover switch 221 shown in FIG. 2 are unnecessary.

(6) In the fourth embodiment described above, as shown in FIG. 7, the blowing part 26 of the heat medium supply device 10 supplies the heat medium for cooling the battery to the first outside air heat exchanger 423 when charging the vehicle. When the battery 72 is cooled by this, the flow path switching mechanism 464 is brought into the second port fully closed state. However, this is just an example, and in that case, for example, the flow path switching mechanism 464 may be in the distribution state instead of the second port fully closed state. In this case, even if the evaporator side liquid medium flows to the second outside air heat exchanger 465, the circulation of the evaporator side liquid medium in the second outside air heat exchanger 465 is wasted, but the battery 72 This is because it is cooled by the liquid medium.

(7) In the fifth embodiment described above, as shown in FIG. 9, in the composite outside air heat exchanger 47, the first outside air heat exchanger 423 is arranged on the front side of the vehicle with respect to the second outside air heat exchanger 465. This is an example. For example, conversely, the second outside air heat exchanger 465 may be placed on the front side of the vehicle with respect to the first outside air heat exchanger 423. In that case, in the composite outside air heat exchanger 47 , the supply fluid that has passed through the second outside air heat exchanger 465 is supplied to the first outside air heat exchanger 423 .

(8) In the fifth embodiment described above, when the battery 72 is cooled by the heat medium supply device 10 during vehicle charging, the compressor 441 included in the temperature control device 40 of the vehicle 70 and the radiator side pump 451 and evaporator side pump 461 are operated, but this is an example. For example, in that case, it is also assumed that the evaporator side pump 461 is operated while the compressor 441 and the radiator side pump 451 are stopped. Even in this case, since the evaporator-side liquid medium circulating in the evaporator-side fluid circuit 46 is cooled by the heat medium for battery cooling in the second outside air heat exchanger 465, heat exchange is performed with the evaporator-side liquid medium. The battery 72 can be cooled. Note that in this case as well, the flow path switching mechanism 464 is in the distribution state.

(9) In the fifth embodiment described above, as shown in FIG. 9, the evaporator-side fluid circuit 46 has the flow path switching mechanism 464; No problem. If there is no flow path switching mechanism 464, in the evaporator side fluid circuit 46, the liquid medium outlet 444d of the evaporator 444 is connected to the liquid medium inlet 721a of the battery heat exchanger 721 and the liquid medium inlet 465a of the second outside air heat exchanger 465. connected to.

(10) In the second embodiment described above, the refrigeration cycle 44 in FIG. 5 is operated as a subcritical refrigeration cycle in which the refrigerant pressure on the high pressure side of the cycle does not exceed the critical pressure of the refrigerant, but this is only an example. be. For example, the refrigeration cycle 44 may be operated as a supercritical cycle in which the refrigerant pressure on the high-pressure side of the cycle is equal to or higher than the critical pressure of the refrigerant. This also applies to the refrigeration cycle 44 described in the third embodiment and subsequent embodiments.

(11) Note that the present invention is not limited to the above-described embodiments, and can be implemented with various modifications. Furthermore, the embodiments described above are not unrelated to each other, and can be combined as appropriate, except in cases where combination is clearly impossible.

Furthermore, in each of the above embodiments, it goes without saying that the elements constituting the embodiments are not necessarily essential, except in cases where it is specifically stated that they are essential or where they are clearly considered essential in principle. stomach. In addition, in each of the above embodiments, when numerical values such as the number, numerical value, amount, range, etc. of the constituent elements of the embodiment are mentioned, when it is clearly stated that it is essential, or when it is clearly limited to a specific number in principle. It is not limited to that specific number, except in cases where In addition, in each of the above embodiments, when referring to the materials, shapes, positional relationships, etc. of constituent elements, etc., unless specifically specified or cases where it is limited to specific materials, shapes, positional relationships, etc. in principle, etc. , is not limited to its material, shape, positional relationship, etc.

Further, in each of the above-described embodiments, when it is described that external environment information of the vehicle 70 (for example, humidity and temperature outside the vehicle) is acquired from a sensor, that sensor is abolished and It is also possible to receive the external environment information. Alternatively, it is also possible to eliminate the sensor, acquire relevant information related to the external environment information from a server or cloud external to the vehicle 70, and estimate the external environment information from the acquired relevant information.

Further, the control unit corresponding to the control device 20 or the vehicle-side control unit 76 described in the present disclosure and its method are programmed to execute one or more functions embodied by a computer program. It may be implemented by a dedicated computer provided by configuring a processor and memory. Alternatively, the controller and its techniques may be implemented by a dedicated computer provided by a processor configured with one or more dedicated hardware logic circuits. Alternatively, the above-mentioned control unit and its method may be implemented by a processor configured by a combination of a processor and memory programmed to perform one or more functions and a processor configured by one or more hardware logic circuits. It may be implemented by more than one dedicated computer. The computer program may also be stored as instructions executed by a computer on a computer-readable non-transitory tangible storage medium.

10 Heat medium supply device 26 Blow-off section 70 Vehicle 72 Battery 74 Charging device 423 First outside air heat exchanger (outside air heat exchanger)
465 Second outside air heat exchanger (outside air heat exchanger)

Claims (12)

A heat medium supply device installed outside the vehicle (70),
Equipped with a blowout part (26) that blows out a heat medium,
The vehicle includes a battery (72) and an outside air heat exchanger (423, 442, 465) that exchanges heat between a heat exchange fluid that is heat exchanged with the battery and a supply fluid that is outside air. ,
In the case where the battery is cooled during vehicle charging in which the battery is charged by a charging device (74) installed outside the vehicle, the blowing part has a temperature lower than that of the outside air or By supplying the heat medium having a higher absolute moisture content than the outside air to the outside air heat exchanger as the supply fluid, the outside air exchanges heat with the heat exchange fluid in the outside air heat exchanger instead of the heat medium. A heat medium supply device that increases the amount of heat released from the heat exchange fluid compared to a case where the heat exchange fluid is exchanged. A battery temperature control system for controlling the temperature of the battery, comprising:
A heat medium supply device (10) according to claim 1;
A compressor (441) that compresses the refrigerant as the heat exchange fluid, the outside air heat exchanger (442), an expansion valve (443) that reduces the pressure of the refrigerant, and a system that absorbs heat from the battery to the refrigerant and evaporates the refrigerant. The refrigeration system has an evaporator (444) installed in the vehicle and circulates the refrigerant through the compressor, the outside air heat exchanger, the expansion valve, and the evaporator in this order and returns to the compressor. cycle (44);
The outside air heat exchanger is a battery temperature control system that radiates heat from the refrigerant to the supply fluid. A battery temperature control system for controlling the temperature of the battery, comprising:
A heat medium supply device (10) according to claim 1;
A compressor (441) that compresses a refrigerant, a radiator (442) that releases heat from the refrigerant to the heat exchange fluid, an expansion valve (443) that reduces the pressure of the refrigerant, and a compressor that absorbs heat from the battery to the refrigerant and removes the refrigerant. A refrigeration cycle that includes an evaporator (444) for evaporating, is provided in the vehicle, and circulates the refrigerant through the compressor, the radiator, the expansion valve, the evaporator in this order, and returns to the compressor. (44) and
a radiator-side fluid circuit (45) provided in the vehicle, including the outside air heat exchanger (423), and in which the heat exchange fluid circulates between the outside air heat exchanger and the radiator; Battery temperature control system. A second outside air heat exchanger (465) and a battery heat exchanger (721) are provided in the vehicle and are heat exchangers different from the first outside air heat exchanger (423) as the outside air heat exchanger. an evaporator-side fluid circuit (46) in which the evaporator-side fluid circulates;
The battery heat exchanger exchanges heat between the evaporator side fluid and the battery,
The evaporator-side fluid circuit is configured such that the evaporator-side fluid exchanges heat with the refrigerant in the evaporator and can flow from the evaporator to the second outside air heat exchanger and the battery heat exchanger. ,
the supply fluid is a first supply fluid;
The second outside air heat exchanger exchanges heat between the evaporator side fluid and the second supply fluid, which is the outside air,
The blowing part may blow out the heat medium to the second outside air heat exchanger when the battery is cooled during the vehicle charging, and in that case, the blowing part blows out the heat medium to the second outside air heat exchanger, and in that case, the temperature is lower than the outside air. Alternatively, by supplying the heat medium having a higher absolute moisture content with respect to the outside air as the second supply fluid to the second outside air heat exchanger, the outside air is transferred to the second outside air heat exchanger instead of the heat medium. The battery temperature control system according to claim 2 or 3, wherein the amount of heat dissipated from the evaporator side fluid is increased compared to a case where heat is exchanged with the evaporator side fluid. The evaporator side fluid circuit has a flow path switching mechanism (464),
The flow path switching mechanism is configured to transfer the evaporator-side fluid from the evaporator to the second outside air heat exchanger and the battery heat when the blowout section supplies the heat medium to the second outside air heat exchanger. When the blow-off section supplies the heat medium to the first outside air heat exchanger but does not supply it to the second outside air heat exchanger, the evaporator-side fluid is supplied to the first outside air heat exchanger. The battery temperature control system according to claim 4, wherein the fluid flows from the evaporator to the battery heat exchanger, and the flow of the evaporator-side fluid from the evaporator to the second outside air heat exchanger is interrupted. The first outside air heat exchanger and the second outside air heat exchanger are configured such that the heat medium that has passed through one of the first outside air heat exchanger and the second outside air heat exchanger is connected to the first outside air heat exchanger. The battery temperature control system according to claim 4 or 5, which is arranged side by side so as to be supplied to the other side of the second outside air heat exchanger and is integrally configured. When the battery is warmed up during the vehicle charging, the blowing section supplies the heat medium having a higher temperature than the outside air to the outside air heat exchanger (423, 465) as the supply fluid. The amount of heat absorbed by the heat exchange fluid is increased by supplying the outside air to the outside air heat exchanger instead of the heat medium, compared to the case where the outside air exchanges heat with the heat exchange fluid in the outside air heat exchanger. Heat medium supply device. A heat medium supply device installed outside the vehicle (70),
Equipped with a blowout part (26) that blows out a heat medium,
The vehicle includes a battery (72) and an outside air heat exchanger (423, 444, 465) that exchanges heat between a heat exchange fluid that is heat exchanged with the battery and a supply fluid that is outside air. ,
When the battery is warmed up during vehicle charging in which the battery is charged by a charging device (74) installed outside the vehicle, the temperature of the blowing part is higher than that of the outside air. By supplying the heat medium as the supply fluid to the outside air heat exchanger, the heat exchange rate is improved compared to the case where the outside air is exchanged with the heat exchange fluid in the outside air heat exchanger instead of the heat medium. A heat medium supply device that increases the amount of heat absorbed by a fluid. A battery temperature control system for controlling the temperature of the battery, comprising:
A heat medium supply device (10) according to any one of claims 1, 7, and 8;
The vehicle includes the outside air heat exchanger (423) and a battery heat exchanger (721) for exchanging heat between the heat exchange fluid and the battery, the outside air heat exchanger and the battery heat exchanger and a fluid circuit (42) in which the heat exchange fluid circulates between. A battery temperature control system for controlling the temperature of the battery, comprising:
A heat medium supply device (10) according to claim 8;
A compressor (441) that compresses the refrigerant as the heat exchange fluid, a radiator (442) that radiates heat from the refrigerant to the battery, an expansion valve (443) that reduces the pressure of the refrigerant, and the outside air heat exchanger (444). and a refrigeration cycle (44) provided in the vehicle, in which the refrigerant flows through the compressor, the radiator, the expansion valve, and the outside air heat exchanger in this order and returns to the compressor. Prepare,
The outside air heat exchanger is a battery temperature control system that absorbs heat from the supply fluid to the refrigerant and evaporates the refrigerant. A battery temperature control system for controlling the temperature of the battery, comprising:
A heat medium supply device (10) according to claim 1;
The vehicle includes a compressor (441) that compresses a refrigerant, a radiator (442) that radiates heat from the refrigerant to the heat exchange fluid, an expansion valve (443) that reduces the pressure of the refrigerant, and an evaporator (444). a refrigeration cycle (44) in which the refrigerant flows through the compressor, the radiator, the expansion valve, and the evaporator in this order and returns to the compressor;
A radiator that is provided in the vehicle and includes a first outside air heat exchanger (423) as the outside air heat exchanger, and in which the heat exchange fluid circulates between the first outside air heat exchanger and the radiator. a side fluid circuit (45);
The vehicle is provided with a second outside air heat exchanger (465) and a battery heat exchanger (721), and the evaporator side fluid is connected to the second outside air heat exchanger, the battery heat exchanger, and the evaporator. and an evaporator side fluid circuit (46) that circulates while flowing through the evaporator side fluid circuit (46).
The evaporator causes the refrigerant to absorb heat from the evaporator-side fluid and evaporates the refrigerant,
The battery heat exchanger exchanges heat between the evaporator side fluid and the battery,
The evaporator-side fluid circuit is configured such that the evaporator-side fluid that has exchanged heat with the refrigerant in the evaporator can flow from the evaporator to the second outside air heat exchanger and the battery heat exchanger. ,
The first outside air heat exchanger and the second outside air heat exchanger constitute a composite outside air heat exchanger (47), and the first outside air heat exchanger and the second outside air heat exchanger constitute a composite outside air heat exchanger. arranged side by side so that the supply fluid is supplied to the other of the first outside air heat exchanger and the second outside air heat exchanger,
The second outside air heat exchanger exchanges heat between the evaporator side fluid and the supply fluid,
When the battery is cooled during vehicle charging, the blow-off section supplies the heat medium, which has a lower temperature than the outside air or has a higher absolute moisture content than the outside air, as the supply fluid. By supplying the heat exchanger to the composite outside air heat exchanger, the heat exchange fluid becomes smaller than the case where the outside air instead of the heat medium exchanges heat with the heat exchange fluid and the evaporator side fluid in the composite outside air heat exchanger. and increasing the amount of heat released from the evaporator side fluid,
When the battery is warmed up during the vehicle charging, the compressor is stopped, and the blowing section supplies the composite outside air heat with the heat medium having a higher temperature than the outside air as the supply fluid. By supplying it to the exchanger, the amount of heat absorbed by the evaporator-side fluid is increased compared to the case where the outside air is exchanged with the evaporator-side fluid in the composite outside air heat exchanger instead of the heat medium. Battery temperature control system. The heat medium supply device according to any one of claims 1, 7, and 8, which is provided separately from the charging device.

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