CN215705806U

CN215705806U - Automobile-used cooling device and new energy automobile

Info

Publication number: CN215705806U
Application number: CN202121184288.4U
Authority: CN
Inventors: 谢为国; 管波; 任恒; 汪建安; 赵洪振; 杨成
Original assignee: Chery Automobile Co Ltd
Current assignee: Chery Automobile Co Ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-02-01
Anticipated expiration: 2031-05-28

Abstract

The disclosure relates to an automobile-used cooling device and new energy automobile belongs to the automobile field. The cooling device for the vehicle comprises a heat exchanger, a battery pack heat exchange plate and a condenser assembly. The heat exchanger is provided with a heat exchanger liquid inlet, a heat exchanger liquid outlet, a heat exchanger refrigerant inlet and a heat exchanger refrigerant outlet; the battery pack heat exchange plate is provided with a plate surface used for being in contact with a battery pack shell, the battery pack heat exchange plate is provided with a heat exchange plate liquid inlet and a heat exchange plate liquid outlet, the heat exchange plate liquid inlet is communicated with the heat exchanger liquid outlet, and the heat exchange plate liquid outlet is communicated with the heat exchanger liquid inlet; the vehicle-mounted air conditioner condenser assembly is provided with a condenser refrigerant inlet and a condenser refrigerant outlet, the condenser refrigerant inlet is communicated with the heat exchanger refrigerant outlet, and the condenser refrigerant outlet is communicated with the heat exchanger refrigerant inlet.

Description

Automobile-used cooling device and new energy automobile

Technical Field

The disclosure relates to the field of automobiles, in particular to an automobile cooling device and a new energy automobile.

Background

Electric Vehicles (EV) and Hybrid Electric Vehicles (HEV) are new energy vehicles. These new energy vehicles mainly use non-fuel power plants, which reduce the combustion of gasoline, diesel, etc., but use clean energy sources, such as: electrical power, etc. The emission of carbon dioxide and other gases is reduced, thereby achieving the purpose of protecting the environment.

The new energy automobile comprises a motor and a battery pack, wherein the battery pack is provided with a battery module. The battery module supplies power to the motor to drive the automobile to run. The battery module can produce a large amount of heats at the in-process of working for the temperature of battery package risees, and battery package high temperature can influence battery module's normal work.

In the related art, an automobile cooling device is arranged in a new energy automobile, the automobile cooling device comprises a heat exchange shell and a radiator, the heat exchange shell wraps a battery pack, a plurality of heat exchange channels are arranged in the heat exchange shell, two ends of each heat exchange channel are respectively communicated with the radiator, and a cooling medium cools the battery pack after being radiated in the radiator and flows to the heat exchange channels. The existing radiator is a radiating fin type radiator, the radiating effect of radiating fins is poor, and the cooling requirement of a battery pack cannot be met when an automobile runs at a high speed.

SUMMERY OF THE UTILITY MODEL

The embodiment of the disclosure provides a cooling device for an automobile and a new energy automobile, and improves the cooling effect on a battery pack. The technical scheme is as follows:

in one aspect, the present disclosure provides a cooling device for a vehicle, including: a heat exchanger having a heat exchanger liquid inlet, a heat exchanger liquid outlet, a heat exchanger refrigerant inlet, and a heat exchanger refrigerant outlet; the battery pack heat exchange plate is provided with a plate surface used for being in contact with a battery pack shell, the battery pack heat exchange plate is provided with a heat exchange plate liquid inlet and a heat exchange plate liquid outlet, the heat exchange plate liquid inlet is communicated with the heat exchanger liquid outlet, and the heat exchange plate liquid outlet is communicated with the heat exchanger liquid inlet; the vehicle-mounted air conditioner condenser assembly is provided with a condenser refrigerant inlet and a condenser refrigerant outlet, the condenser refrigerant inlet is communicated with the heat exchanger refrigerant outlet, and the condenser refrigerant outlet is communicated with the heat exchanger refrigerant inlet.

In an implementation manner of the embodiment of the present disclosure, the vehicle-mounted air conditioning condenser assembly is electrically connected to the vehicle control unit, and the vehicle-mounted air conditioning condenser assembly includes: a condenser having the condenser refrigerant inlet and the condenser refrigerant outlet; the fan is arranged at an interval with the condenser, and an air outlet path of the fan passes through the condenser; a compressor located between the condenser refrigerant inlet and the heat exchanger refrigerant outlet and in communication with the condenser refrigerant inlet and the heat exchanger refrigerant outlet; the evaporator is provided with an evaporation refrigerant inlet and an evaporation refrigerant outlet, the evaporation refrigerant inlet is communicated with the condenser refrigerant outlet, the evaporation refrigerant outlet is communicated with the condenser refrigerant inlet, and an air outlet of the evaporator is positioned in a passenger room of an automobile; the cooling device for a vehicle further includes: the pressure and temperature sensor is positioned between the condenser refrigerant inlet and the heat exchanger refrigerant outlet and is electrically connected with the whole vehicle control unit; and the first expansion valve is positioned at the evaporation refrigerant inlet and is communicated with the evaporation refrigerant inlet.

In one implementation of the disclosed embodiment, the on-board air conditioning condenser assembly includes: and the pressure sensor is positioned between the heat exchanger refrigerant inlet and the condenser refrigerant outlet and is electrically connected with the whole vehicle control unit.

In one implementation manner of the embodiment of the present disclosure, the cooling device for a vehicle further includes: and the refrigerant electromagnetic valve is positioned between the evaporation refrigerant inlet and the condenser refrigerant outlet and communicated with the evaporation refrigerant inlet and the condenser refrigerant outlet, and the refrigerant electromagnetic valve is electrically connected with the whole vehicle control unit.

In one implementation manner of the embodiment of the present disclosure, the cooling device for a vehicle further includes: and the water replenishing tank is positioned between the heat exchanger liquid outlet and the heat exchange plate liquid inlet and is communicated with the heat exchanger liquid outlet and the heat exchange plate liquid inlet.

In one implementation of the disclosed embodiment, the top of the water replenishment tank has a degassing port.

In one implementation manner of the embodiment of the present disclosure, the battery pack heat exchanging plate is located on a lower floor of an automobile, and a distance between the battery pack heat exchanging plate and the ground ranges from 130 mm to 150 mm.

In one implementation manner of the embodiment of the present disclosure, the cooling device for a vehicle further includes: and the second expansion valve is positioned at the refrigerant inlet of the heat exchanger and is communicated with the refrigerant inlet of the heat exchanger.

In one implementation of the disclosed embodiment, the on-board air conditioning condenser assembly is located at a grille of an automobile.

In another aspect, the present disclosure provides a new energy automobile, which includes the cooling device for an automobile according to any one of the above aspects.

The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:

in the embodiment of the disclosure, the cooling liquid with lower temperature enters the battery pack heat exchange plate from the liquid inlet of the heat exchange plate, and the battery pack heat exchange plate is in contact with the battery pack shell, so that the temperature of the battery pack shell is reduced, and the temperature of the cooling liquid is increased. The cooling liquid with the increased temperature flows out of the heat exchanger plate liquid outlet and from the heat exchanger plate liquid outlet to the heat exchanger liquid inlet. The cooling liquid with the increased temperature flows into the heat exchanger from the liquid inlet of the heat exchanger, and the cooling liquid with the increased temperature exchanges heat with the refrigerant with the lower temperature in the heat exchanger, so that the temperature of the cooling liquid is reduced. The reduced temperature cooling liquid flows out of the heat exchanger liquid outlet and to the heat exchanger plate liquid inlet to again cool the battery pack. After the refrigerant with lower temperature exchanges heat with the cooling liquid with increased temperature, the temperature of the refrigerant is increased, the refrigerant with increased temperature flows out from the refrigerant outlet of the heat exchanger and flows to the refrigerant inlet of the condenser from the refrigerant outlet of the heat exchanger, the refrigerant with increased temperature flows into the vehicle-mounted air-conditioning condenser assembly from the refrigerant inlet of the condenser, the vehicle-mounted air-conditioning condenser assembly cools the refrigerant, the temperature of the refrigerant is reduced, the refrigerant with reduced temperature flows out from the refrigerant outlet of the condenser and flows to the refrigerant inlet of the heat exchanger, the refrigerant with reduced temperature flows into the heat exchanger from the refrigerant inlet of the heat exchanger, and the cooling liquid in the heat exchanger is cooled by the refrigerant with reduced temperature, so that the temperature of the cooling liquid is reduced.

The cooling device for the vehicle comprises the vehicle-mounted air conditioner condenser assembly, the cooling effect of the vehicle-mounted air conditioner condenser assembly is good, and the cooling requirement of the battery pack can be met when the vehicle runs at a high speed. The vehicle-mounted air conditioner condenser assembly is a condenser assembly of an automobile air conditioner, a new device does not need to be added in an automobile, and the portability of the automobile is facilitated.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a cooling device for a vehicle according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a cooling device for a vehicle according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a cooling device for a vehicle according to an embodiment of the present disclosure;

fig. 4 is a front view of a cooling device for a vehicle according to an embodiment of the present disclosure;

fig. 5 is a top view of a cooling device for a vehicle according to an embodiment of the present disclosure.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a cooling device for a vehicle according to an embodiment of the present disclosure. Referring to fig. 1, the cooling apparatus for a vehicle includes: a heat exchanger 10, a battery pack heat exchange plate 20, and an on-board air conditioning condenser assembly 30. The heat exchanger 10 has a heat exchanger liquid inlet 101 and a heat exchanger liquid outlet 102, a heat exchanger refrigerant inlet 103, and a heat exchanger refrigerant outlet 104. The battery pack heat exchange plate 20 has a plate surface for contacting with a battery pack shell, the battery pack heat exchange plate 20 has a heat exchange plate liquid inlet 201 and a heat exchange plate liquid outlet 202, the heat exchange plate liquid inlet 201 is communicated with the heat exchanger liquid outlet 102, and the heat exchange plate liquid outlet 202 is communicated with the heat exchanger liquid inlet 101. The in-vehicle air conditioning condenser assembly 30 has a condenser refrigerant inlet 301 and a condenser refrigerant outlet 302, the condenser refrigerant inlet 301 is communicated with the heat exchanger refrigerant outlet 104, the condenser refrigerant outlet 302 is communicated with the heat exchanger refrigerant inlet 103, and the in-vehicle air conditioning condenser assembly 30 is a condenser assembly of an automobile air conditioner. The heat exchanger 10 may be referred to as a Chiller (Chiller).

In the embodiment of the present disclosure, the cooling liquid with a lower temperature enters the battery pack heat exchanging plate 20 from the heat exchanging plate liquid inlet 201, and since the battery pack heat exchanging plate 20 is in contact with the battery pack shell, the liquid with a lower temperature exchanges heat with the battery pack shell, so that the temperature of the battery pack shell is reduced, and the temperature of the cooling liquid is increased. The cooling liquid with the increased temperature flows out of the heat exchanger plate liquid outlet 202 and from the heat exchanger plate liquid outlet 202 towards the heat exchanger liquid inlet 101. The cooling liquid with the increased temperature flows into the heat exchanger 10 from the heat exchanger liquid inlet 101, and the cooling liquid with the increased temperature exchanges heat with the refrigerant with the lower temperature in the heat exchanger 10, so that the temperature of the cooling liquid is reduced. The reduced temperature cooling liquid flows out of the heat exchanger liquid outlet 102 and to the heat exchanger plate liquid inlet 201 to cool the battery pack again. After heat exchange is carried out between the refrigerant with lower temperature and the cooling liquid with higher temperature, the temperature of the refrigerant is increased, the refrigerant with higher temperature flows out of the heat exchanger refrigerant outlet 104 and flows to the condenser refrigerant inlet 301 from the heat exchanger refrigerant outlet 104, the refrigerant with higher temperature flows into the vehicle-mounted air-conditioning condenser assembly 30 from the condenser refrigerant inlet 301, the vehicle-mounted air-conditioning condenser assembly 30 carries out cooling treatment on the refrigerant, the temperature of the refrigerant is reduced, the refrigerant with lower temperature flows out of the condenser refrigerant outlet 302 and flows to the heat exchanger refrigerant inlet 103, the refrigerant with lower temperature flows into the heat exchanger 10 from the heat exchanger refrigerant inlet 103, and the cooling liquid in the heat exchanger 10 is cooled by the refrigerant with lower temperature, so that the temperature of the cooling liquid is reduced.

The cooling device for the vehicle provided by the embodiment of the disclosure comprises the vehicle-mounted air-conditioning condenser assembly 30, the cooling effect of the vehicle-mounted air-conditioning condenser assembly 30 is better, and the cooling requirement of the battery pack can be met when the vehicle runs at a high speed. The vehicle-mounted air conditioner condenser assembly 30 is a condenser assembly of an automobile air conditioner, a new device does not need to be added, and the portability of an automobile is facilitated. Meanwhile, the cooling liquid is used as a cooling medium to cool the battery pack, so that the cooling effect of the cooling device for the vehicle on the battery pack can be further improved.

In the embodiment of the present disclosure, the cooling device for a vehicle further includes a pipe 100, and the heat exchange plate liquid inlet 201 is communicated with the heat exchanger liquid outlet 102 through the pipe 100; the heat exchange plate liquid outlet 202 is in communication with the heat exchanger liquid inlet 101 via conduit 100; the condenser refrigerant inlet 301 is communicated with the heat exchanger refrigerant outlet 104 through a pipeline 100; the condenser refrigerant outlet 302 communicates with the heat exchanger refrigerant inlet 103 via a pipe 100.

In the disclosed embodiment, the heat exchanger 10 is fixed on the right front longitudinal beam of the whole vehicle through the adapter bracket, so that the stability of the heat exchanger 10 is ensured.

In the embodiment of the present disclosure, the battery pack heat exchange plate 20 and the battery pack can be arranged on the bottom plate of the entire vehicle and connected to the longitudinal beam of the vehicle body floor through the bracket, so as to ensure that the battery pack heat exchange plate 20 and the battery pack are reliably fastened.

Exemplarily, the distance between the battery pack heat exchange plate 20 and the battery pack and the ground is 130 mm to 150 mm, so that the battery pack heat exchange plate 20 and the battery pack are prevented from colliding with the bottom surface in the driving process of the automobile, and the battery pack heat exchange plate 20 and the battery pack are prevented from being damaged.

In the embodiment of the disclosure, the cooling liquid may be water, and the cooling medium may be air.

Fig. 2 is a schematic structural diagram of a cooling device for a vehicle according to an embodiment of the present disclosure. Referring to fig. 2, the on-vehicle air conditioning condenser assembly 30 includes: condenser 303, fan 304, compressor 305, and evaporator 306. The condenser refrigerant inlet 301 and the condenser refrigerant outlet 302 are both located on the condenser 303, the fan 304 is spaced apart from the condenser 303, an air outlet path of the fan 304 passes through the condenser 303, and the compressor 305 is located between the condenser refrigerant inlet 301 and the heat exchanger refrigerant outlet 104 and is communicated with the condenser refrigerant inlet 301 and the heat exchanger refrigerant outlet 104. The evaporator 306 has an evaporation refrigerant inlet 307 and an evaporation refrigerant outlet 308, the evaporation refrigerant inlet 307 communicates with the condenser refrigerant outlet 302, and the evaporation refrigerant outlet 308 communicates with the condenser refrigerant inlet 301. The outlet of the evaporator 306 is located in the passenger compartment of the vehicle. The on-board Air Conditioning condenser assembly 30 may be referred to as a Heating Ventilation and Air Conditioning (HVAC).

The compressor 305 is a fluid machine that raises low-pressure gas to high-pressure gas. The compressor 305 is located on the pipeline 100 communicating the condenser refrigerant inlet 301 and the heat exchanger refrigerant outlet 104, the compressor 305 sucks the refrigerant from the heat exchanger refrigerant outlet 104 through the pipeline 100, the compressor 305 drives the piston to compress the refrigerant through the operation of an internal motor, and then the refrigerant is conveyed to the condenser refrigerant inlet 301 through the pipeline 100, so that the refrigerant enters the condenser 303 to provide power for the refrigeration cycle. The condenser 303 cools the refrigerant, so that the temperature of the refrigerant is reduced.

Meanwhile, the fan 304 blows air to the condenser 303, so that the flowability of the air is increased, the temperature of the refrigerant is accelerated to be reduced, the temperature of the refrigerant is further reduced, and the cooling effect of the condenser 303 is improved.

In the disclosed embodiment, the compressor 305 is an Electric compressor, which ensures that the compressor 305 can operate in an Electric Vehicle (EV) mode.

In the disclosed embodiment, the compressor 305 may be disposed on the engine assembly and connected using a fixing bracket to ensure the stability of the compressor 305.

In the embodiment of the present disclosure, the control manner of the compressor 305 is not limited. For example, the compressor 305 is electrically connected to a Vehicle Control Unit (VCU). The entire vehicle control unit can be used to control the power of the compressor 305, which is more convenient.

In the embodiment of the present disclosure, the evaporator 306 is used to cool the passenger compartment of the vehicle, that is, the vehicle air conditioner condenser assembly 30 is used to cool the evaporator 306, and the evaporator 306 cools the passenger compartment of the vehicle. The cooling device for the vehicle provided by the embodiment of the disclosure can realize the functions of cooling the battery pack and air conditioning.

Fig. 3 is a schematic structural diagram of a cooling device for a vehicle according to an embodiment of the present disclosure. Referring to fig. 3, a battery pack is wrapped by a battery pack heat exchanging plate 20 (not shown in fig. 3), the heat exchanging plate has a plurality of cooling channels therein, the cooling channels wrap the battery pack, two ends of the cooling channels are respectively communicated with a heat exchanging plate liquid inlet 201 and a heat exchanging plate liquid outlet 202, and the cooling liquid exchanges heat with the battery pack when flowing in the cooling channels, so as to cool the battery pack.

Referring again to fig. 2 and 3, the cooling apparatus for a vehicle further includes: the pressure temperature sensor 40 and the pressure temperature sensor 40 are located between the condenser refrigerant inlet 301 and the heat exchanger refrigerant outlet 104, that is, the pressure temperature sensor 40 is located on the pipeline 100 communicating the condenser refrigerant inlet 301 and the heat exchanger refrigerant outlet 104. The pressure and temperature sensor 40 may be configured to detect a temperature and a pressure of the refrigerant flowing from the heat exchanger refrigerant outlet 104.

In the embodiment of the present disclosure, the pressure and temperature sensor 40 is electrically connected to the vehicle control unit, so that the vehicle control unit can know the temperature and the pressure of the refrigerant in real time.

In the disclosed embodiment, the overall vehicle control unit is configured to control the power of the compressor 305 to increase in response to receiving a pressure of the pressure temperature sensor 40 less than a first pressure threshold, or receiving a temperature of the pressure temperature sensor 40 greater than a temperature threshold; the power to the compressor 305 is controlled to decrease in response to receiving a pressure at the pressure and temperature sensor 40 that is greater than or equal to a first pressure threshold and receiving a temperature at the pressure and temperature sensor 40 that is less than a temperature threshold.

In the embodiment of the present disclosure, when the flow rate of the refrigerant in the heat exchanger 10 is small, the cooling effect of the heat exchanger 10 on the cooling liquid may be reduced, and the temperature of the refrigerant flowing out of the heat exchanger refrigerant outlet 104 may be increased. When the temperature detected by the pressure/temperature sensor 40 is higher than the temperature threshold, it means that the flow rate of the refrigerant in the heat exchanger 10 is low, and at this time, the flow rate of the refrigerant in the heat exchanger 10 needs to be increased. The entire vehicle control unit is electrically connected with the pressure and temperature sensor 40 and the compressor 305 respectively, and when the flow rate of the refrigerant in the heat exchanger 10 is small, the entire vehicle control unit controls the power of the compressor 305 to be increased, so that the refrigerant entering the condenser 303 is increased, the refrigerant flowing to the heat exchanger 10 is increased, and the flow rate of the refrigerant in the heat exchanger 10 is increased.

Similarly, when the flow rate of the refrigerant in the heat exchanger 10 is small, the amount of the refrigerant flowing out of the heat exchanger refrigerant outlet 104 is reduced, and the pressure is reduced. When the pressure detected by the pressure/temperature sensor 40 is smaller than the pressure threshold, it means that the flow rate of the refrigerant in the heat exchanger 10 is small, and at this time, the flow rate of the refrigerant in the heat exchanger 10 needs to be increased. The entire vehicle control unit is electrically connected with the pressure and temperature sensor 40 and the compressor 305 respectively, and when the flow rate of the refrigerant in the heat exchanger 10 is small, the entire vehicle control unit controls the power of the compressor 305 to be increased, so that the refrigerant entering the condenser 303 is increased, the refrigerant flowing to the heat exchanger 10 is increased, and the flow rate of the refrigerant in the heat exchanger 10 is increased.

Similarly, when the flow rate of the refrigerant in the heat exchanger 10 is large, the pressure of the refrigerant will increase and the temperature will decrease, and at this time, the power of the entire vehicle control unit controlling the compressor 305 will decrease, thereby avoiding the waste of electric energy.

Referring again to fig. 2, the cooling apparatus for a vehicle further includes: the pressure sensor 309 and the pressure sensor 309 are located between the heat exchanger refrigerant inlet 103 and the condenser refrigerant outlet 302, that is, the pressure sensor 309 is located on the pipe 100 connecting the heat exchanger refrigerant inlet 103 and the condenser refrigerant outlet 302. The pressure sensor 309 detects the pressure of the refrigerant flowing out of the condenser refrigerant outlet 302.

In the embodiment of the present disclosure, the pressure sensor 309 is electrically connected to the vehicle control unit, so that the vehicle control unit can know the pressure of the refrigerant in real time.

In the disclosed embodiment, the vehicle control unit is configured to control the rotation speed of the fan 304 to decrease in response to receiving that the pressure of the pressure sensor 309 is less than a second pressure threshold; in response to receiving a pressure at the pressure sensor 309 that is greater than a second pressure threshold, the speed of the fan 304 is controlled to increase.

Referring again to fig. 2, the cooling apparatus for a vehicle further includes: the first expansion valve 60 is located at the evaporation refrigerant inlet 307, and is used for controlling the opening pipe of the evaporation refrigerant inlet 307 to be closed, and when the evaporator 306 fails, the evaporation refrigerant inlet 307 is closed, so that the refrigerant cannot flow into the evaporator 306, and the evaporator 306 is convenient to maintain.

In the embodiment of the present disclosure, the control method of the first expansion valve 60 is not limited. For example, the first expansion valve 60 is electrically connected to the vehicle control unit, so that the vehicle control unit can control the opening pipe of the evaporation refrigerant inlet 307 to be closed. The first expansion Valve is a Thermostatic expansion Valve (THV).

Fig. 4 is a front view of a cooling device for a vehicle according to an embodiment of the present disclosure. Referring to fig. 2 and 4, the cooling apparatus for a vehicle further includes: a refrigerant solenoid valve 70. The refrigerant solenoid valve 70 is located between the evaporation refrigerant inlet 307 and the condenser refrigerant outlet 302, and the refrigerant solenoid valve 70 is used for controlling the communication state between the evaporation refrigerant inlet 307 and the condenser refrigerant outlet 302.

In the embodiment of the present disclosure, the control method of the refrigerant solenoid valve 70 is not limited. For example, the refrigerant solenoid valve 70 is electrically connected to the vehicle control unit, so that the vehicle control unit can control the communication state between the evaporation refrigerant inlet 307 and the condenser refrigerant outlet 302 through the refrigerant solenoid valve 70.

In the embodiment of the present disclosure, the vehicle control unit is configured to control the coolant electromagnetic valve 70 to be closed when the temperature of the battery pack received by the vehicle control unit is greater than or equal to the temperature threshold, and control the coolant electromagnetic valve 70 to be opened when the temperature of the battery pack received by the vehicle control unit is greater than the temperature threshold.

In the embodiment of the disclosure, the battery pack is provided with a temperature sensor for detecting the temperature of the battery pack and transmitting the temperature of the battery pack to the vehicle control unit. When the temperature of the battery pack received by the whole vehicle control unit is greater than or equal to the temperature threshold value, the cooling effect of the cooling device for the vehicle is poor. At this time, the whole vehicle control unit controls the refrigerant electromagnetic valve 70 to be closed, and cooling of the battery pack is preferentially met. When the temperature of the battery pack received by the vehicle control unit is greater than the temperature threshold value, the cooling effect of the vehicle cooling device is satisfied with the cooling of the battery pack, and the vehicle control unit controls the refrigerant electromagnetic valve 70 to be opened, so that the refrigeration of the vehicle air conditioner is satisfied.

Referring again to fig. 2, the cooling apparatus for a vehicle further includes: and a water replenishing tank 80. The make-up tank 80 is located between the heat exchanger liquid outlet 102 and the heat exchanger plate liquid inlet 201, i.e. the make-up tank 80 is located on the conduit 100 connecting the heat exchanger liquid outlet 102 and the heat exchanger plate liquid inlet 201.

In the embodiment of the present disclosure, the cooling is performed through liquid, and during the liquid transportation process, evaporation may occur, which affects the cooling effect, and the water replenishing tank 80 replenishes water, thereby ensuring the cooling effect. The cooling liquid with lower temperature enters the battery pack heat exchange plate 20 from the heat exchange plate liquid inlet 201, and the liquid with lower temperature exchanges heat with the battery pack shell due to the fact that the battery pack heat exchange plate 20 is in contact with the battery pack shell, and therefore the temperature of the battery pack shell is reduced.

Illustratively, the make-up water tank 80 is a stainless steel tank.

Referring again to fig. 1, the top of the make-up tank 80 has a degassing port 801.

In the embodiment of the present disclosure, after the liquid is evaporated, gas may be generated in the water replenishing tank 80, and the gas removing port 801 is arranged to discharge the gas in the water replenishing tank 80, thereby avoiding occurrence of cavitation.

In the embodiment of the disclosure, the water replenishing tank 80 is arranged at the position of the right front longitudinal beam of the whole vehicle, and water is conveniently filled into the water replenishing tank 80 through the bracket fixing point on the wheel cover of the vehicle body.

Referring again to fig. 2, the cooling apparatus for a vehicle further includes: and the second expansion valve 90 is positioned at the heat exchanger refrigerant inlet 103, and is used for controlling the opening pipe of the heat exchanger refrigerant inlet 103 to be closed, so that when the heat exchanger 10 fails, the heat exchanger refrigerant inlet 103 is closed, the refrigerant cannot flow into the heat exchanger 10, and the maintenance of the heat exchanger 10 is facilitated. The second Expansion Valve 90 is an Electronic Expansion Valve (EXV).

In the embodiment of the present disclosure, the second expansion valve 90 is electrically connected to the vehicle control unit, so that the vehicle control unit can control the opening pipe of the heat exchanger refrigerant inlet 103 to be closed.

Referring again to fig. 2, the cooling apparatus for a vehicle further includes: an electric pump 110. The electric pump 110 is located between the heat exchanger liquid outlet 102 and the heat exchanger plate liquid inlet 201, i.e. the electric pump 110 is located on the conduit 100 connecting the heat exchanger liquid outlet 102 and the heat exchanger plate liquid inlet 201.

In the disclosed embodiment, the electric pump 110 powers the flow of water so that the water can flow more quickly into the battery pack heat exchanger plate 20 to cool the battery pack.

In the embodiment of the disclosure, the electric pump 110 is arranged at the position of the right front longitudinal beam of the vehicle body and is fastened with the outer plate of the right longitudinal beam of the vehicle body through a fixing bracket, so that the stability of the electric pump 110 is ensured.

Fig. 5 is a top view of a cooling device for a vehicle according to an embodiment of the present disclosure. Referring to fig. 5, the on-board air conditioning condenser assembly 30, the evaporator 306, and the battery pack heat exchanging plate 20 are arranged in a first direction. Wherein the first direction is a length direction of the automotive body.

In one implementation of the disclosed embodiment, the on-board air conditioning condenser assembly 30 is located at the grill of the vehicle.

The heat dissipation effect of the grille of the automobile is good, and the cooling effect of the vehicle-mounted air conditioner condenser assembly 30 can be improved.

The embodiment of the disclosure also provides a new energy automobile which comprises the cooling device for the automobile.

The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.

Claims

1. A cooling device for a vehicle, characterized by comprising:

a heat exchanger (10) having a heat exchanger liquid inlet (101), a heat exchanger liquid outlet (102), a heat exchanger refrigerant inlet (103), and a heat exchanger refrigerant outlet (104);

a battery pack heat exchange plate (20) having a plate face for contacting a battery pack housing, the battery pack heat exchange plate (20) having a heat exchange plate liquid inlet (201) and a heat exchange plate liquid outlet (202), the heat exchange plate liquid inlet (201) in communication with the heat exchanger liquid outlet (102), the heat exchange plate liquid outlet (202) in communication with the heat exchanger liquid inlet (101);

the vehicle-mounted air conditioner condenser assembly (30) is provided with a condenser refrigerant inlet (301) and a condenser refrigerant outlet (302), the condenser refrigerant inlet (301) is communicated with the heat exchanger refrigerant outlet (104), and the condenser refrigerant outlet (302) is communicated with the heat exchanger refrigerant inlet (103).

2. The vehicular cooling device according to claim 1, wherein the vehicular air-conditioning condenser assembly (30) is electrically connected to a vehicle control unit, and the vehicular air-conditioning condenser assembly (30) comprises:

a condenser (303) having the condenser refrigerant inlet (301) and the condenser refrigerant outlet (302);

a fan (304) arranged at a distance from the condenser (303), wherein the air outlet path of the fan (304) passes through the condenser (303);

a compressor (305) located between the condenser refrigerant inlet (301) and the heat exchanger refrigerant outlet (104) and communicating with the condenser refrigerant inlet (301) and the heat exchanger refrigerant outlet (104);

an evaporator (306) having an evaporation refrigerant inlet (307) and an evaporation refrigerant outlet (308), the evaporation refrigerant inlet (307) being in communication with the condenser refrigerant outlet (302), the evaporation refrigerant outlet (308) being in communication with the condenser refrigerant inlet (301), an air outlet of the evaporator (306) being located in a passenger compartment of the vehicle;

the cooling device for a vehicle further includes:

the pressure and temperature sensor (40) is positioned between the condenser refrigerant inlet (301) and the heat exchanger refrigerant outlet (104), and the pressure and temperature sensor (40) is electrically connected with the whole vehicle control unit;

a first expansion valve (60) located at the evaporation refrigerant inlet (307) and communicating with the evaporation refrigerant inlet (307).

3. The cooling apparatus for vehicle according to claim 2, wherein the on-vehicle air conditioner condenser assembly (30) includes:

and the pressure sensor (309) is positioned between the heat exchanger refrigerant inlet (103) and the condenser refrigerant outlet (302), and the pressure sensor (309) is electrically connected with the whole vehicle control unit.

4. The cooling apparatus for vehicle as claimed in claim 2, further comprising:

the refrigerant electromagnetic valve (70) is positioned between the evaporation refrigerant inlet (307) and the condenser refrigerant outlet (302), is communicated with the evaporation refrigerant inlet (307) and the condenser refrigerant outlet (302), and is electrically connected with the whole vehicle control unit (70).

5. The cooling apparatus for vehicle as claimed in any one of claims 1 to 4, further comprising:

and the water replenishing tank (80) is positioned between the heat exchanger liquid outlet (102) and the heat exchange plate liquid inlet (201) and is communicated with the heat exchanger liquid outlet (102) and the heat exchange plate liquid inlet (201).

6. A cooling device for vehicle according to claim 5, characterized in that the top of the water replenishing tank (80) has a deaeration opening (801).

7. The cooling device for vehicle according to any one of claims 1 to 4, wherein the battery pack heat exchanging plate (20) is located on a lower floor of the vehicle, and a distance between the battery pack heat exchanging plate (20) and the ground is in a range of 130 mm to 150 mm.

8. The cooling apparatus for vehicle as claimed in any one of claims 1 to 4, further comprising:

and a second expansion valve (90) located at the heat exchanger refrigerant inlet (103) and communicating with the heat exchanger refrigerant inlet (103).

9. Cooling arrangement according to one of the claims 1 to 4, characterized in that the on-board air conditioning condenser assembly (30) is located at the grille of the vehicle.

10. A new energy automobile, characterized in that the new energy automobile comprises the cooling device for an automobile according to any one of claims 1 to 9.