TWI697170B - Charging device for vehicle and vehicle - Google Patents

Abstract

The invention discloses a charging device for a vehicle and a vehicle. The charging device comprises: a cooling compartment, a charging connection and an air conditioning cooling system, wherein the charging connector is mounted on the cooling compartment; and comprises a compressor and a condenser connected in series and a valve body and an evaporator having a flow passage disposed on a bulkhead of the cooling compartment, the flow passage being configured as at least a portion of the evaporator. Thereby, the cooling system can effectively take away the heat of the charging connector, thereby effectively reducing the temperature of the terminal, and avoiding the problem of overheating of the terminal.

Description

Vehicle charging device and vehicle

The invention relates to the technical field of vehicle charging, in particular to a vehicle charging device and a vehicle having the charging device.

At present, due to energy and environmental issues, the explosive growth of new energy vehicles is being promoted, and the number of new energy vehicles is also rising. Compared with traditional fuel vehicles, new energy vehicles have great advantages of energy saving and environmental protection, but the long charging cycle of electric vehicles is a long-term criticism.

At present, the method of increasing the charging power to shorten the charging time is generally adopted. The problem with it is: due to excessive current, the terminals at the charging socket heat up seriously, resulting in burning of the charging terminals or failure of charging problems, so that the entire vehicle cannot be charged normally, and the safety of charging cannot be effectively guaranteed.

In addition, although some manufacturers are currently actively adopting some methods to reduce the temperature at the terminal, for example, arranging a cooling device at the charging harness, the cooling effect is not ideal, and the layout is more complicated.

The present invention aims to solve one of the technical problems in the related art at least to a certain extent. For this reason, the present invention proposes a charging device for a vehicle, which can effectively reduce the temperature of the terminal.

The invention further proposes a vehicle.

The charging device for a vehicle according to the present invention includes: a cooling cabin, a charging connector and an air conditioning cooling system, the charging connector is installed on the cooling cabin; includes a compressor, a condenser, a valve body and an evaporator connected in series, the A flow channel is provided on the bulkhead of the cooling cabin, and the flow channel is configured as at least a part of the evaporator.

According to the vehicle charging device of the present invention, the cooling system can effectively take away the heat of the charging connector, thereby effectively reducing the temperature of the terminal, and avoiding the problem of overheating of the terminal.

Optionally, the cooling cabin includes: a front fixed seat and a rear fixed seat, the front fixed seat is connected to the rear fixed seat, and the front fixed seat and the rear fixed seat are provided with mounting holes for installing the charging connector, the The flow channel is arranged in the rear fixed seat, and the liquid inlet and the liquid outlet of the flow channel penetrate the rear fixed seat.

Further, the charging device of the vehicle further includes an air-cooled channel, the air-cooled channel communicates with the cooling cabin, a vent hole is provided in the charging connector, and the cooling cabin communicates with the vent hole.

Specifically, the air conditioning cooling system further includes: an air supply member, the air supply member is disposed in the air cooling channel, and the outlet of the air cooling channel is in communication with the cooling cabin.

Optionally, the front fixing base includes a bottom wall and a peripheral wall, the charging connector is fixed on the bottom wall, and an air outlet is provided on the peripheral wall.

Further, the charging connector includes: a housing and a terminal, the terminal is fixed in the housing, and a vent hole is formed in the inner periphery of the housing.

Specifically, the ventilation holes are plural and distributed circumferentially in the inner circumference of the housing.

Optionally, the blower is an axial fan.

Further, the charging device of the vehicle further includes a controller, a charging state detection module and a temperature sensor, the temperature sensor is used to detect the temperature of the charging connector, the temperature sensor and the controller are electrically connected Connected, the controller is adapted to control the operation of the blower when the charging state detection module detects vehicle charging, and adapted to control the operation of the compressor when the temperature value detected by the temperature sensor is greater than a predetermined value.

The vehicle according to the present invention includes the charging device of the vehicle.

The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary, and are intended to explain the present invention, and should not be construed as limiting the present invention.

The charging device 100 of a vehicle according to an embodiment of the present invention will be described in detail below with reference to the drawings. The charging device 100 is applied to a vehicle, and the charging device 100 may be connected to a power battery 80 so that the power battery 80 can be charged.

As shown in FIG. 1, the charging device 100 according to the embodiment of the present invention may include: a charging connector 10 and a cooling system, wherein the charging connector 10 includes: a housing 14, a terminal 11 and a charging harness 12, the terminal 11 Inside the housing 14, the housing 14 can protect and fix the terminal 11. The connection terminals 11 may be plural, and the plurality of connection terminals 11 are provided in pairs. For example, as shown in FIG. 2 and FIG. 5, there may be two connection terminals 11. The charging harness 12 is connected to the terminal 11, and the terminal 11 may include a positive terminal and a negative terminal that transmit current. This terminal 11 is suitable for a DC charging port.

Similarly, the charging terminals of the AC charging port also appear in pairs, which may be plural. The principle is the same as above and can still be applied.

The cooling system can be used to cool the charging connector 10, it can be understood that when the charging connector 10 is working, the terminal 11 will generate heat, the cooling system can effectively take away the heat generated by the terminal 11, and the cooling system is a cycle This system can continuously remove the heat generated by the terminal 11 to ensure that the temperature of the terminal 11 is maintained within an appropriate range, which can effectively avoid the problem of overheating of the terminal 11 and further ensure the safety of the vehicle's charging .

It should be noted that there are many types of layout of the cooling system, and there are also many options for cooling components, which are described below in conjunction with the drawings.

According to an alternative embodiment of the present invention, the cooling system includes: an air-conditioning cooling system 20 and a cooling system for batteries or high-voltage electrical appliances of an electric vehicle. The charging device 100 may be provided with two pipes, and the two pipes are respectively the first cooling The pipeline 24 and the second cooling pipeline 50, the first cooling pipeline 24 is used for cooling the terminal 11, the terminal 11 is provided with a flow path to form the first cooling pipeline 24; the second cooling pipeline 50 is used for cooling Charge harness 12

The air conditioning cooling system 20 is connected to one of the first cooling pipe 24 and the second cooling pipe 50 and the cooling system of the battery or high-voltage electrical appliance of the electric vehicle is connected to the first cooling pipe 24 and the second cooling pipe 50. The other is connected to supply cooling liquid to the first cooling line 24 and the second cooling line 50.

In the following, the air-conditioning cooling system 20 is connected to the first cooling pipe 24 and the battery or high-voltage electrical appliance cooling system of the electric vehicle is connected to the second cooling pipe 50 as an example for description.

As shown in FIG. 1, the air-conditioning cooling system 20 includes: a compressor 21, a condenser 22, a valve body and an evaporator 23, the compressor 21, the condenser 22, a valve body and the evaporator 23 are arranged in series, and the first cooling pipe The path 24 is provided in the charging connector 10, and the first cooling pipe 24 is connected to the evaporator 23. That is, the first cooling pipe 24 is provided at the charging connector 10, and then the first cooling pipe 24 participates in the circulation of the refrigerant, so that the low-temperature refrigerant located in the first cooling pipe 24 can be effectively connected to the charging The piece 10 performs heat exchange, so that the working reliability of the charging connection piece 10 can be ensured.

Alternatively, the first cooling line 24 may be connected in series with the evaporator 23. In this way, the refrigerant after passing through the evaporator 23 can continue to flow through the first cooling pipe 24, and the first cooling pipe 24 is at the charging connector 10 for heat exchange, so that the heat of the charging connector 10 can be taken away.

Alternatively, as shown in FIG. 1, the first cooling pipe 24 is connected in parallel with at least a part of the pipe of the evaporator 23. In other words, the first cooling line 24 and at least a part of the evaporator 23 are connected in parallel, so that the first cooling line 24 can better reduce the working temperature of the charging connector 10. Furthermore, the first cooling line 24 may be connected in parallel with a part of the line of the evaporator 23 or in parallel with the entire evaporator 23.

In another alternative, at least a part of the evaporator 23 constitutes the first cooling line 24, so that the first cooling line 24 can better reduce the working temperature of the charging connection 10.

As shown in FIG. 2, the first cooling pipe 24 is provided adjacent to the terminal 11. As a result, the first cooling pipe 24 can directly exchange heat with the terminal 11, so that the heat generated by the terminal 11 can be directly taken away, and the working temperature of the charging connector 10 can be effectively reduced.

Optionally, the first cooling pipe 24 passes through the terminal 11. For example, there may be two connection terminals 11. The first cooling pipe 24 extends from one side of the housing 14 into the inside of the housing 14, and then passes laterally through the two connection terminals 11, and then from the other of the housing 14. The side is extended, so that the first cooling pipe 24 can directly contact the terminal 11 and can effectively take away the heat of the terminal 11, and the first cooling pipe 24 thus provided has a simple structure.

Alternatively, as shown in FIG. 2, the first cooling pipe 24 may be sleeved on the terminal 11. The form of nesting can effectively increase the contact area between the first cooling pipe 24 and the terminal 11 so that the working temperature of the terminal 11 can be better reduced.

Further, there are two connection terminals 11, and the first cooling pipeline 24 is bent to cover the two connection terminals 11. That is to say, a first cooling line 24 can be sleeved on the two terminals 11 at the same time so that a first cooling line 24 can be omitted, and the first cooling line 24 can be arranged simply, and the two terminals 11 exchange heat Evenly.

According to another optional embodiment of the present invention, as shown in FIG. 3 and FIG. 4, the cooling system includes: an air conditioning cooling system 20, and a cooling pipe is provided in at least one of the housing 14, the terminal 11 and the charging harness 12 One on. That is to say, the cooling line can selectively cool at least one of the housing 14, the connection terminal 11 and the charging harness 12, which can also effectively reduce the working temperature of the charging connector 10. In this embodiment, the cooling system 20 may not include the evaporator 23, so that the cooling system 20 can omit the evaporator 23, thereby further simplifying the structure of the cooling system 20 and reducing the cost of the cooling system 20. The cooling line of at least one of the connection terminal 11 and the charging harness 12 constitutes at least a part of the evaporator of the air conditioning cooling system.

Optionally, as shown in FIG. 3 and FIG. 4, the cooling pipeline may be plural. The cooling pipeline includes: a first cooling pipeline 24, and the first cooling pipeline 24 is disposed in the housing 14, or, The casing 14 is provided with a flow passage to form a first cooling pipe 24. The housing 14 can protect the first cooling pipe 24, and the first cooling pipe 24 can effectively exchange heat with the terminal 11 in the housing 14, so that the heat of the terminal 11 can be better taken away. The working temperature of the terminal 11 can be effectively reduced.

Optionally, the first cooling pipe 24 passes through the terminal 11. For example, there may be two connection terminals 11. The first cooling pipe 24 extends from one side of the housing 14 into the inside of the housing 14, and then passes laterally through the two connection terminals 11, and then from the other of the housing 14. The side is extended, so that the first cooling pipe 24 can directly contact the terminal 11 and can effectively take away the heat of the terminal 11, and the first cooling pipe 24 thus provided has a simple structure.

Alternatively, as shown in FIGS. 3 and 4, the first cooling pipe 24 may be sleeved on the terminal 11. The form of nesting can effectively increase the contact area between the first cooling pipe 24 and the terminal 11 so that the working temperature of the terminal 11 can be better reduced.

Further, there are two connection terminals 11, and the first cooling pipeline 24 is bent to cover the two connection terminals 11. That is to say, a first cooling line 24 can be sleeved on the two terminals 11 at the same time so that a first cooling line 24 can be omitted, and the first cooling line 24 can be arranged simply, and the two terminals 11 exchange heat Evenly.

In addition, as shown in FIGS. 3 and 4, the cooling pipe may further include: a second cooling pipe 50, and the second cooling pipe 50 is sleeved on the charging harness 12. Thus, the second cooling line 50 can be used to cool the charging harness 12, so that the temperature of the charging harness 12 can be effectively reduced, and the working temperature of the terminal 11 can be further reduced.

Connecting pipes are connected between the condenser 22 and the second cooling pipe 50 and between the second cooling pipe 50 and the compressor 21, and the diameter of the connecting pipe is smaller than the diameter of the cooling pipe. The compressor 21 compresses the gaseous refrigerant into a high-temperature and high-pressure gaseous refrigerant, and then sends it to the condenser 22 to dissipate heat to become a normal-temperature and high-pressure liquid refrigerant. After entering the connecting pipe, the space suddenly increases and the pressure decreases, and the liquid refrigerant will vaporize. , Becomes a gaseous low-temperature refrigerant, thereby absorbing a large amount of heat, and a large amount of heat comes from the charging harness 12. The diameter of the first cooling pipe 24 is also larger than the diameter of the connecting pipe.

It should be noted that, as shown in FIG. 4, the first cooling pipe 24 and the second cooling pipe 50 may be connected in series, as shown in FIG. 3, the first cooling pipe 24 and the second cooling pipe 50 can be connected in parallel.

According to yet another optional embodiment of the present invention, the cooling system may include: a system using cooling water, for example, a cooling system of a battery of an electric vehicle or a high-voltage electrical appliance, the cooling system is connected to the second cooling pipe 50, the above two implementations The examples all describe a system using a refrigerant. The cooling system of the battery or high-voltage electrical appliance of the electric vehicle may include: a liquid storage tank 30, a pump body 40, the pump body 40 is connected to the liquid storage tank 30, a second cooling pipe 50 is sleeved on the charging harness 12, and the second cooling The pipeline 50 is also connected to the pump body 40 and the liquid storage tank 30. It can be understood that the difference between this embodiment and the above-mentioned embodiment is that the second cooling line 50 no longer passes the refrigerant, but passes the cooling water, and is connected to the liquid storage tank 30 and the pump body 40. In this way, when the charging connector 10 is working, the pump body 40 starts to work, pumping the cooling water in the liquid storage tank 30 into the second cooling pipe 50, so that the second cooling pipe 50 can cool the charging wire harness outside the charging wire harness 12 12, so that the operating temperature of the charging harness 12 can be better reduced. It should be noted that the second cooling line 50 can also be used to cool the terminal 11 and/or the housing 14, that is to say, the second cooling line 50 can be used to connect the terminal 11, the charging cable 12 and the housing At least one of 14. In the following, the description will be continued by taking the second cooling pipe 50 for cooling the charging harness as an example.

In addition, after the charging connector 10 is charged, the pump body 40 can also pump the cooling water in the second cooling line 50 into the liquid storage tank 30, which can prevent the cooling water in the second cooling line 50 from leaking, thereby The use reliability of the charging device 100 can be guaranteed.

Among them, as shown in FIGS. 1 and 6, one end of the charging harness 12 is connected to the power battery 80, and the other end of the charging harness 12 is connected to the charging connector 10, and the inlet of the second cooling pipe 50 is disposed near the charging One end of the connector 10. The second cooling pipe 50 provided in this way can effectively reduce the temperature of the charging harness 12 while further reducing the working temperature of the charging connector 10.

Optionally, the outer surface of the charging harness 12 is provided with a waterproof layer. The provision of the waterproof layer can prevent the cooling water from leaking into the charging harness 12, so that the safety of the charging harness 12 can be ensured and a safety accident can be avoided.

As shown in FIG. 6, the second cooling pipe 50 is provided with sealing sleeves 51 at both ends, and the sealing sleeves 51 are sleeved on the charging harness 12. Since the second cooling pipe 50 is sleeved on the charging harness 12, by providing the sealing sleeves 51 at both ends thereof, the leakage of the cooling liquid from both ends of the second cooling pipe 50 can be effectively avoided, thereby ensuring the second cooling pipe The tightness of 50 can ensure the safety of the charging device 100 in use.

Specifically, as shown in FIG. 1 and FIG. 6, the cooling system of the battery or high-voltage electrical appliance of the electric vehicle may include: a driving motor 60 and a motor controller 61, and a connecting pipe is provided at the driving motor 60 and the motor controller 61 , The connecting pipeline, the pump body 40 and the liquid storage tank 30 are connected in series. In other words, the cooling water can flow through the driving motor 60 and the motor controller 61 through the connecting pipe, so that the cooling water can effectively take away the heat at the driving motor 60 and the motor controller 61. In other words, the cooling functions of the driving motor 60, the motor controller 61, and the charging harness 12 are all controlled and provided by the pump body 40 and the liquid storage tank 30, so that the cooling system 20 can be effectively simplified.

In addition, as shown in FIG. 6, the charging device 100 may further include a cooling fan 90 that is disposed adjacent to the pump body 40. The cooling fan 90 can effectively enhance the heat exchange capacity of the cooling water and the external environment, so as to provide cooling water with a low temperature for the charging harness 12, the driving motor 60 and the motor controller 61.

Optionally, the charging device 100 further includes: a control valve (not shown), the control valve is disposed between the pump body 40 and the second cooling line 50. The control valve can be used to cut off the pump body 40 and the second cooling line 50, so that after the second cooling line 50 is filled with cooling water, the control valve is closed, so that the second cooling line 50 can be kept full. After the charging is completed, the control valve is opened, allowing the pump body 40 to draw the cooling water in the second cooling line 50, and after the pumping is completed, the control valve is closed.

Specifically, there may be two control valves, and the two control valves may be respectively provided at the inlet and outlet of the second cooling line 50.

Further, the charging device 100 may further include: a controller and a temperature sensor, the temperature sensor is used to detect the temperature of the charging harness 12, and the controller is electrically connected to the temperature sensor and the control valve to detect the temperature sensor When the temperature value reaches a predetermined value, the pump body 40 is controlled to work and the control valve is opened. In this way, the control valve and the pump body 40 can work synchronously. For example, when the pump body 40 works, the control valve opens, and when the pump body 40 stops working, the control valve closes. In this way, the operational reliability of the cooling system 20 can be ensured.

Preferably, the temperature sensors are plural, and the plural temperature sensors are arranged at intervals in the length direction of the charging harness 12. The setting of multiple temperature sensors can help to improve the control accuracy of the controller.

In addition, in the cooling system 20 where the compressor 21 is present, the controller may also be electrically connected to the compressor 21 to control the operation of the compressor 21 when the temperature value detected by the temperature sensor reaches a predetermined value. Thus, the cooling system 20 can be reasonably controlled, so that the operation of the cooling system 20 can be controlled in a timely manner, so that the working temperature of the charging connector 10 can be ensured to be appropriate.

According to yet another optional embodiment of the present invention, as shown in FIG. 7, the cooling system includes: an air conditioning cooling system 20, and the charging device 100 may further include: a cooling compartment 70, and the charging connector 10 is installed on the cooling compartment 70, also That is to say, the cooling compartment 70 can function to install the charging connector 10.

The air conditioning cooling system 20 may include: a compressor 21, a condenser 22, a valve body and an evaporator 23 connected in series, that is, a compressor 21, a condenser 22, a valve body and an evaporator 23 are connected in series, and the cooling cabin A flow channel is provided on the bulkhead of 70, and the flow channel is configured as at least a part of the evaporator 23. Thereby, the evaporator 23 provided in the cooling cabin 70 can exchange heat with the charging connector 10 at the cooling cabin 70. The cooling cabin 70 thus provided can ensure the rationality of the arrangement of the evaporator 23 and the charging connector 10, and The working temperature of the charging connector 10 can be effectively reduced, and the problem of overheating of the terminal 11 can be avoided.

Optionally, as shown in FIGS. 8 and 9, the cooling cabin 70 includes a front fixed seat 71 and a rear fixed seat 72, and the evaporator 23 is disposed between the front fixed seat 71 and the rear fixed seat 72. Under equal pressure Next, the evaporator 23 boils the low-temperature and low-pressure refrigerant vapor from the capillary 27 and absorbs heat to become a low-temperature and low-pressure refrigerant dry saturated vapor. The front fixing base 71 is connected to the rear fixing base 72, and the front fixing base 71 and the rear fixing base 72 are provided with mounting holes for installing the charging connector 10. Moreover, the flow channel is provided in the rear fixed base 72, and the liquid inlet and the liquid outlet of the flow channel penetrate the rear fixed base 72. In other words, the charging connector 10 can be installed on the front fixing seat 71 and the rear fixing seat 72 at the same time, so that on the one hand, the installation reliability of the charging connector 10 can be guaranteed, and on the other hand, a part of the charging connector 10 can be located in the cooling The interior of the cabin 70, so that the charging connector 10 can be wrapped with cold air in the cooling cabin 70, can enhance the heat exchange effect of the evaporator 23 and the charging connector 10, and thus can better reduce the working temperature of the charging connector 10.

Optionally, the charging device 100 may further include: an air cooling channel 73, the air cooling channel 73 communicates with the cooling cabin 70, a vent hole is provided in the charging connector 10, and the cooling cabin 70 communicates with the vent hole. Among them, the cold air can flow into the cooling cabin 70 through the air cooling channel 73, and then the cold air flowing into the cooling cabin 70 will contact the charging connector 10 through the vent hole, so that the cooling function of the charging connector 10 can be achieved.

Further, as shown in FIG. 7 to FIG. 9, the air-conditioning cooling system 20 may further include: an air supply member 25. The air supply member 25 is disposed in the air cooling channel 73, and the outlet of the air cooling channel 73 communicates with the cooling cabin 70. The blower 25 may blow air to the cooling cabin 70. The arrangement of the air blowing member 25 can improve the heat exchange efficiency of the evaporator 23 and the charging connection member 10, so that the speed of reducing the temperature of the charging connection member 10 can be accelerated, and the charging connection member 10 can be maintained within a suitable operating temperature range. Alternatively, the blower 25 may be an axial fan. The axial fan can facilitate the air supply to the interior of the cooling cabin 70, and the structure of the axial fan is simple.

Specifically, as shown in FIG. 8, the front fixing base 71 includes a bottom wall 71a and a peripheral wall 71b, and the charging connector 10 is fixed on the bottom wall 71a, and an air outlet 71c is provided on the peripheral wall 71b. That is to say, the cold wind blown into the cooling compartment 70 by the blowing member 25 can be blown out from the air outlet 71c, so that the blown cold wind can come into contact with the charging connector 10 again, so that the heat of the charging connector 10 can be better taken away.

As shown in FIG. 10, the charging connector 10 may include a housing 14 and a terminal 11. The terminal 11 is fixed in the housing 14, and a ventilation hole 15 is formed on the inner periphery of the housing 14. Thus, when the charging connector 10 is docked with the charging gun, cold air enters the cooling cabin 70 through the air inlet 71d, and then the cold air flows out from the air outlet 71c, and then the cold air blown out from the air outlet 71c can flow through the vent hole 15 to connect the charging The piece 10 is wrapped, so that the cold wind can not only cool the charging connector 10, but also the charging gun, so that the working temperature of the charging connector 10 can be better reduced.

Alternatively, as shown in FIG. 10, the vent holes 15 may be plural, and the plural vent holes 15 are distributed circumferentially in the inner circumference of the housing 14. The plurality of ventilation holes 15 arranged in this manner can make the layout of the housing 14 reasonable, and can ensure that cold air flows in the circumferential direction of the terminal 11, so that the heat exchange effect at the charging connector 10 can be further improved.

Optionally, the charging device 100 may further include: a controller, a charging state detection module and a temperature sensor, the temperature sensor is used to detect the temperature of the charging connector 10, the temperature sensor is electrically connected to the controller, and the controller It is suitable for controlling the operation of the air blowing member 25 when the charging state detection module detects that the vehicle is charging, and suitable for controlling the operation of the compressor 21 when the temperature value detected by the temperature sensor is greater than a predetermined value. That is to say, the air blowing member 25 and the compressor 21 can not work at the same time. For example, when the temperature is low and the charging connector 10 starts to charge, the air blowing member 25 starts to work, which can provide the charging connector 10 with a certain flow of normal temperature Wind, which can slow down the working temperature of the charging connector 10 does not rise. When the temperature of the charging connector 10 rises to a predetermined temperature, the compressor 21 starts to work again, the evaporator 23 first exchanges heat with the air, and then the air and the charging connector 10 heat exchange, so that the working temperature of the charging connector 10 can be quickly reduced.

Optionally, the charging device 100 may further include: a controller, a charging state detection module and a temperature sensor, the temperature sensor is used to detect the temperature of the charging connector 10, the temperature sensor is electrically connected to the controller, and the controller It is suitable for controlling the operation of the air blowing member 25 when the charging state detection module detects that the vehicle is charging, and suitable for controlling the operation of the compressor 21 when the temperature value detected by the temperature sensor is greater than a predetermined value. That is to say, the blower 25 and the compressor 21 may not work simultaneously, for example, when the temperature is low and the charging When the connector 10 starts to charge, the air supply member 25 starts to work, and can provide a certain flow of cold wind to the charging connector 10, so as to ensure the working temperature of the charging connector 10, when the temperature of the charging connector 10 rises to a predetermined temperature The compressor 21 starts to work again, and the refrigerant in the evaporator 23 exchanges heat with the charging connector 10, so that the working temperature of the charging connector 10 can be quickly reduced.

It should be noted that the cooling systems 20 of the above plural embodiments can be combined with each other without interference. For example, two types of cooling systems 20 are used in FIG. 1, and another example is the cooling systems 20 and 7 in FIG. The cooling system 20 in FIG. 6 may be combined.

The vehicle according to the embodiment of the present invention includes the charging device 100 of the above embodiment.

In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means specific features described in conjunction with the embodiments or examples , Structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any or plural embodiments or examples. In addition, without contradicting each other, those skilled in the art may combine and combine different embodiments or examples and features of the different embodiments or examples described in this specification.

Although the embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and cannot be construed as limitations to the present invention, and those of ordinary skill in the art can understand the above within the scope of the present invention. The embodiments are changed, modified, replaced, and modified.

100: charging device

10: Charging connector

11: Terminal

12: Charging harness

14: Shell

15: Air slot

20: Cooling system

21: Compressor

22: condenser

23: evaporator

24: First cooling circuit

25: Air supply

26: Screening program

27: Capillary

28: Liquid storage tank

30: storage tank

40: pump body

50: Second cooling circuit

51: Sealing sleeve

60: drive motor

61: Motor controller

70: cooling cabin

71: Front fixed seat

71a: bottom wall

71b: Perimeter wall

71c: Air outlet

72: Rear fixed seat

73: Air supply channel

80: power battery

90: cooling fan

Figure 1 is a schematic diagram of a charging device according to a first embodiment of the present invention; Figure 2 is a schematic diagram of a first cooling pipe at a connection terminal; Figure 3 is a schematic diagram of a charging device according to a second embodiment of the present invention; Fig. 4 is a schematic diagram of a charging device according to a third embodiment of the present invention; Fig. 5 is a schematic diagram of a connection terminal of the charging device shown in Fig. 4; Fig. 6 is charging according to a fourth embodiment of the present invention Schematic diagram of the device; FIG. 7 is a schematic diagram of the charging device according to the fifth embodiment of the present invention; FIG. 8 is a schematic diagram of the charging connector, cooling chamber and evaporator; FIG. 9 is a cross-sectional view of the cooling chamber; FIG. 10 is Schematic diagram of the charging connection.

10‧‧‧Charging connector

23‧‧‧Evaporator

25‧‧‧Air supply

70‧‧‧cooling cabin

73‧‧‧Air supply channel

Claims (10)

A vehicle charging device is characterized by comprising: a cooling cabin; a charging connector installed on the cooling cabin; an air conditioning cooling system, including a compressor, a condenser, a A valve body and an evaporator, a flow channel is provided on the bulkhead of the cooling cabin, the flow channel is configured as at least a part of the evaporator, and the evaporator provided in the cooling cabin is adapted to exchange heat with the charging connector . The charging device for a vehicle as described in item 1 of the patent scope, wherein the cooling compartment includes: a front fixed seat and a rear fixed seat, the front fixed seat is connected to the rear fixed seat, the front fixed seat and the rear The fixing seat is provided with a mounting hole for installing the charging connector, the flow channel is provided in the rear fixing seat, and the liquid inlet and the liquid outlet of the flow channel pass through the rear fixing seat. The charging device for a vehicle as described in item 2 of the scope of the patent application further includes: an air-cooled channel, the air-cooled channel communicates with the cooling cabin, a vent hole is provided in the charging connector, the cooling cabin and the vent hole Connected. The charging device for a vehicle as described in item 3 of the patent application scope, wherein the air-conditioning cooling system further includes: an air supply member, the air supply member is disposed in the air cooling channel, and the outlet of the air cooling channel communicates with the cooling cabin . The charging device for a vehicle as described in item 2 of the patent application range, wherein the front fixing base includes: a bottom wall and a peripheral wall, the charging connector is fixed on the bottom wall, and an air outlet is provided on the peripheral wall. The charging device for a vehicle as described in item 1 of the patent application range, wherein the charging connector includes: a housing and a terminal, the terminal is fixed in the housing, and a vent hole is formed in the inner periphery of the housing . The charging device for a vehicle as described in item 6 of the patent application range, wherein the vent holes are plural and distributed circumferentially in the inner circumference of the housing. The charging device for a vehicle as described in item 4 of the patent application, wherein the air blowing member is an axial fan. The charging device for a vehicle as described in item 4 of the patent application scope further includes: a controller, a state-of-charge detection module, and a temperature sensor. The temperature sensor is used to detect the temperature of the charging connector. The temperature sensor is electrically connected to the controller, the controller is adapted to control the operation of the blower when the charging state detection module detects vehicle charging, and is adapted to detect a temperature value greater than a predetermined value by the temperature sensor Control the operation of the compressor at the time of value. A vehicle characterized by comprising the charging device for a vehicle as described in any one of claims 1 to 9

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