CN110014922B

CN110014922B - Vehicle charging device and vehicle

Info

Publication number: CN110014922B
Application number: CN201710944188.9A
Authority: CN
Inventors: 吴兴国; 王洪军; 李振
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2017-09-30
Filing date: 2017-09-30
Publication date: 2021-01-01
Anticipated expiration: 2037-09-30
Also published as: CN110014922A

Abstract

The invention discloses a charging device of a vehicle and the vehicle, the charging device includes: a first charging connection; the first charging connector is arranged on the gas cooling cabin, at least one part of the first charging connector extends into the gas cooling cabin, and the gas cooling cabin is provided with a second charging connector insertion hole. From this, when the vehicle need charge, the second is charged the connecting piece and can be followed the second and be charged connecting piece insertion port department and insert the gas cooling cabin, then the second is charged the connecting piece and can be accomplished the butt joint with the first connecting piece that charges, and cold wind gets into in the gas cooling cabin this moment to can effectively reduce the operational environment temperature that first connecting piece and the second were charged the connecting piece, reduce the heat accumulation volume that the terminal that charges generates heat, and then solve the terminal serious problem that generates heat.

Description

Vehicle charging device and vehicle

Technical Field

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

Background

At present, due to the problems of energy, environment and the like, the explosive growth of new energy automobiles is promoted, and the holding amount of the new energy automobiles is continuously increased. Compared with the traditional fuel vehicle, the new energy vehicle has the great advantages of energy conservation and environmental protection, but the electric vehicle has long charging time period and is a long-standing problem.

At present, a method of shortening the charging time by increasing the charging power is commonly used. The problems with this are: because the electric current is too big, the binding post of the socket department that charges heats seriously, leads to appearing charging terminal burnout or the problem trouble of charging, and whole car can't normally charge like this, and the security of charging can't effectively be guaranteed moreover.

Also, although some manufacturers are also actively adopting some ways of reducing the temperature at the terminal, for example, arranging a cooling device at the charging harness, the cooling effect is not ideal and the arrangement is complicated.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention provides a charging device for a vehicle, which can effectively reduce the working temperature of two butted charging connecting pieces.

The invention further provides a vehicle.

The charging device for a vehicle according to the present invention includes: a first charging connection; the first charging connector is arranged on the gas cooling cabin, at least one part of the first charging connector extends into the gas cooling cabin, and the gas cooling cabin is provided with a second charging connector insertion hole.

Therefore, when the vehicle needs to be charged, the second charging connecting piece can be inserted into the gas cooling cabin from the second charging connecting piece insertion port, then the second charging connecting piece can be butted with the first charging connecting piece, and at the moment, the air conditioning system supplies cold air into the gas cooling cabin through the air inlet, so that the temperature of the working environment of the first charging connecting piece and the temperature of the second charging connecting piece can be effectively reduced.

In some examples of the invention, the gas cooling module comprises: preceding shell and backshell, preceding shell with the backshell links to each other, first charging connecting piece is installed on the backshell.

In some examples of the invention, the front housing is provided with an air inlet.

In some examples of the present invention, a flexible pad is further provided on the front case, the flexible pad being provided on the front case and defining the second charging connector insertion opening.

In some examples of the present invention, a cross-shaped opening is provided on the flexible mat to constitute the second charging connector insertion opening.

In some examples of the invention, the first charging connector is provided with an air inlet pipe.

In some examples of the invention, the first charging connection comprises: and the air inlet pipe is adjacent to the wiring terminal.

In some examples of the invention, the charging device further comprises: the heat dissipation base, the heat dissipation base includes: the charging connector comprises a bottom wall and a peripheral wall, wherein the bottom wall is connected to the bottom of the peripheral wall, a mounting hole is formed in the bottom wall, the mounting hole is used for mounting the first charging connecting piece, and a radiating fin is arranged on the peripheral wall; and the cooling pipeline is fixed on the peripheral wall of the heat dissipation base and is wound on the peripheral wall for a plurality of circles.

In some examples of the present invention, the heat radiating fins are provided in plurality at intervals in a circumferential direction of the peripheral wall.

In some examples of the invention, the cooling circuit has an inlet and an outlet, the inlet and the outlet being disposed adjacent to each other.

In some examples of the invention, the charging device further comprises: the connector comprises an outer connector, wherein two interfaces are arranged in the outer connector, and the two interfaces are respectively connected with the inlet and the outlet.

The vehicle comprises the charging device of the vehicle.

Drawings

Fig. 1 is a schematic diagram of a charging system according to a first embodiment of the present invention;

fig. 2 is a schematic diagram of a charging system according to a second embodiment of the present invention;

FIG. 3 is a schematic view of a charging device docked with a charging gun;

fig. 4 is an exploded view of the charging device;

FIG. 5 is a schematic view of a charging connection and rear housing;

fig. 6 and 7 are schematic views of two different embodiments of charging guns;

fig. 8 is a schematic view of a heat sink base.

Reference numerals:

a charging device 100;

a first charging connector 10; a wiring terminal 11;

a gas cooling compartment 20; second charging connector insertion port 22; a front case 23; a rear housing 24; an air inlet 25; a flexible pad 26; a first air inlet duct 27;

a heat dissipation base 30; a bottom wall 31; a peripheral wall 32; a heat sink 33; an outer joint 34; through the holes 35;

a cooling line 40;

a second charging connector 50; an air outlet pipe 51; a first outlet 51 a; a second air inlet duct 52; a second supply port 52 a;

a body skin 60.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

A charging system according to an embodiment of the present invention is described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, a charging system according to an embodiment of the present invention may include: a charging device 100 and a second charging connector 50, wherein the charging device 100 may include: first charging connector 10 and gas-cooled compartment 20, gas-cooled compartment 20 may function to reduce ambient temperature when filled with cold air, similar to an air-conditioned room.

The second charging connector 50 can extend into the gas cooling compartment 20 to be abutted against the first charging connector 10, so that when the first charging connector 10 and the second charging connector 50 are abutted against each other, the gas cooling compartment 20 can effectively cool the first charging connector 10 and the second charging connector 50, and therefore the gas cooling compartment 20 can simultaneously and effectively reduce the working temperature of the first charging connector 10 and the second charging connector 50.

Also, one of the first charging connector 10 and the second charging connector 50 may be a charging socket and the other one is a charging gun, and preferably, the first charging connector 10 is a charging socket, the second charging connector 50 is a charging gun, and the second charging connector 50 may be disposed on the charging pile.

In addition, as shown in fig. 1 and 2, the charging system may further include: the air conditioning system has two arrangement forms, for example, as shown in fig. 1, the air conditioning system can be arranged outside the vehicle, that is, the air conditioning system can be arranged at the charging pile; as another example, as shown in fig. 2, an air conditioning system may be disposed within a vehicle.

The first charging connector 10 is mounted on the gas cooling compartment 20, and at least a part of the first charging connector 10 protrudes into the gas cooling compartment 20, and the gas cooling compartment 20 is provided with a second charging connector insertion opening 22. It can be understood that, when the vehicle needs to be charged, the second charging connector 50 can be inserted into the gas cooling compartment 20 from the second charging connector insertion hole 22, then the second charging connector 50 can be butted with the first charging connector 10, and at this time, the air conditioning system supplies cold air into the gas cooling compartment 20, so that the working environment temperature of the first charging connector 10 and the second charging connector 50 can be effectively reduced, the heat accumulation amount of the heat generated by the wiring terminal 11 is reduced, and the serious problem of the heat generation of the terminal is solved. The connection terminal 11 may include: a positive connecting terminal and a negative connecting terminal for transmitting current. The terminal 11 is suitable for a dc charging port.

Similarly, the charging terminals of the alternating-current charging interface are also paired and may be multiple, and in principle, the application can still be implemented.

Alternatively, as shown in fig. 3 and 4, the gas cooling compartment 20 includes: a front case 23 and a rear case 24, the front case 23 being connected to the rear case 24, and the first charging connector 10 being mounted on the rear case 24. The front case 23 and the rear case 24 are oppositely disposed, which may facilitate formation of the gas cooling compartment 20 with a sufficient space, may facilitate arrangement of the first charging connector 10 and the second charging connector 50 inside thereof, and may also facilitate flow of cool air inside thereof.

Alternatively, as shown in fig. 3 and 4, the front case 23 is provided with an air inlet 25. That is, the cold air generated by the air conditioning system can enter the gas cooling chamber 20 from the air inlet 25, and the air inlet 25 is simple in structure, easy to manufacture and convenient to connect with the air conditioning system.

Alternatively, as shown in fig. 5, the first charging connector 10 is provided with a first air inlet duct 27. This cooling source may be from an on-board air conditioner. As shown in fig. 6, the second charging connector 50 may be provided with an air outlet pipe 51, and the air outlet pipe 51 has a first air outlet 51a, that is, in the case that the charging device 100 is provided with the first air inlet pipe 27, the cool air may first pass through the air outlet pipe 51 of the second charging connector 50 and then enter the gas cooling compartment 20 through the first air outlet 51a, so as to cool the first charging connector 10 and the second charging connector 50.

The first air inlet duct 27 may extend in the same direction as the direction in which the charging harness extends, in other words, the first air inlet duct 27 may be integrated into the first charging connector 10, and the first air inlet duct 27 thus provided is simple in structure and can better reduce the temperature of the charging harness and the connection terminal 11, thereby preventing the occurrence of an overheat temperature of the connection terminal 11.

Preferably, as shown in fig. 5, the first air inlet duct 27 may be disposed adjacent to the terminal block 11. For example, the first air inlet duct 27 can contact with the two connection terminals 11, so that heat can be directly and reliably exchanged with the two connection terminals 11, and the temperature of the working environment of the connection terminals 11 can be effectively reduced.

Specifically, as shown in fig. 3 and 4, a flexible pad 26 is further provided on the front case 23, the flexible pad 26 is provided on the front case 23, and the flexible pad 26 defines the second charging connector insertion port 22. The setting of flexible pad 26 can regard as the limited position to use on the one hand, and it can restrict the grafting position that the second charges connecting piece 50, and on the other hand can charge the connecting piece 50 and insert the back at the second, can be as far as possible with the peripheral laminating of second connection piece 50 that charges, guarantees that air conditioning can not the quick release fall to can guarantee the cooling effect. Also, the flexible mat 26 thus provided is relatively simple and easy to implement and operate.

As shown in fig. 3 and 4, the flexible pad 26 is provided with a cross-shaped opening to form the second charging connector insertion opening 22. The cross-shaped opening can greatly facilitate the extension of the second charging connecting piece 50 and can be effectively attached to the surface of the second charging connecting piece 50, so that the sealing performance of the gas cooling compartment 20 can be better ensured.

According to an embodiment of the present invention, as shown in fig. 8, the charging device 100 may further include: heat dissipation base 30 and cooling circuit 40, heat dissipation base 30 includes: a bottom wall 31 and a peripheral wall 32, the bottom wall 31 is connected to the bottom of the peripheral wall 32, and the bottom wall 31 is provided with a through hole 35, and the through hole 35 is used for installing a charging connector. That is, the bottom wall 31 may be used to mount and fix the charging connector, and the peripheral wall 32 may be fixedly connected to other components, for example, as shown in fig. 8, the charging device 100 may further include: the top of the body skin 60, the perimeter wall 32 may be secured to the body skin 60, and the top of the rear shell 24 may also be secured to the body skin 60, such that the perimeter wall 32 may function as a mounting for the heat sink base 30 and the charging connection. It should be noted that the heat dissipation base 30 has a heat dissipation function, and the arrangement of the peripheral wall 32 increases the heat dissipation area of the heat dissipation base 30 at least to some extent.

The cooling duct 40 is fixed to the heat radiation base 30, and the cooling duct 40 extends on the heat radiation base 30. That is, the cooling pipe 40 may extend on the bottom wall 31 of the heat dissipation base 30, the cooling pipe 40 may extend on the peripheral wall 32 of the heat dissipation base 30, and the cooling pipe 40 may extend on the bottom wall 31 and the peripheral wall 32 of the heat dissipation base 30. The cooling pipeline 40 has the functions of cooling the charging connecting piece and the heat dissipation base 30, so that the temperature of the charging connecting piece can be effectively reduced through the combination of the cooling pipeline 40 and the heat dissipation base 30, the problem that the wiring terminal 11 of the charging connecting piece is overheated can be effectively avoided, and the charging safety of a vehicle can be guaranteed.

The cooling line 40 is wound at least once in the circumferential direction of the circumferential wall 32. That is, the cooling line 40 may be wound once in the circumferential direction of the circumferential wall 32, or the cooling line 40 may be wound several times in the circumferential direction of the circumferential wall 32. Therefore, the cooling pipeline 40 is reasonably arranged on the peripheral wall 32, the influence of the cooling pipeline on the heat dissipation base 30 can be reduced, and the cooling pipeline 40 can be in contact with the peripheral wall 32 better, so that the heat exchange effect can be improved. In addition, the cooling pipeline 40 which is wound by a plurality of circles has a proper length, so that the contact area between the cooling pipeline and the peripheral wall 32 can be increased, and the heat exchange effect can be further increased.

The cross-sectional area of the peripheral wall 32 increases in a direction away from the bottom wall 31, so that the surface area of the peripheral wall 32 can be further increased, and the heat dissipation effect of the heat dissipation base 30 can be improved.

Alternatively, as shown in fig. 8, a heat sink 33 may be provided on the peripheral wall 32. The heat dissipation effect of the heat dissipation base 30 can be improved by the heat dissipation fins 33, so that the working environment temperature of the gas cooling chamber 20 can be kept, the heat of the charging connector can be better taken away, and the working temperature of the wiring terminal 11 can be better reduced.

Further, as shown in fig. 8, the heat radiating fins 33 are plural, and the plural heat radiating fins 33 are provided at intervals in the circumferential direction of the circumferential wall 32. For example, a plurality of fins 33 may be disposed at intervals to constitute the peripheral wall 32 of the heat radiation base 30, and the plurality of fins 33 thus disposed may make the heat radiation effect of the heat radiation base 30 good. Through the combined action of the cooling pipeline 40 and the radiating fins 33, heat is dissipated through a water cooling circulation mode and an air dissipation mode, and therefore the radiating efficiency can be improved.

According to an alternative embodiment of the invention, as shown in fig. 4, the cooling circuit 40 has an inlet and an outlet, which are arranged adjacent to each other. The cooling line 40 may be filled with a cooling liquid or a cooling gas. Therefore, liquid inlet and liquid outlet of the cooling pipeline 40 are convenient, arrangement of a cooling source is convenient, circulation of cooling liquid between the cooling pipeline 40 and the cooling source can be facilitated, and arrangement difficulty of the cooling pipeline 40 can be reduced.

Further, as shown in fig. 4, the charging device 100 further includes: the external connector 34, and the docking connector 34 may be docked with an external cooling source and then provide a cooling medium to the cooling circuit 40. Two interfaces are arranged in the outer joint 34, and the two interfaces are respectively connected with the inlet and the outlet. The interface can make things convenient for the import and the export of cooling line 40 and butt joint to can accomplish the butt joint with an outer joint 34 by a butt joint, can make the feed liquor of cooling line 40 and go out the liquid mode simple and reliable like this.

In addition, the second charging connector 50 will be described.

For example, as shown in fig. 7, a second air inlet pipe 52 may be disposed in the second charging connector 50, an air conditioning system adopted by the charging system is the air conditioning system shown in fig. 1, that is, an air conditioning system outside the vehicle, and the air outlet form may be combined with the air outlet form of the second charging connector 50 shown in fig. 6. Specifically, the second air inlet duct 52 extends in the same direction as the charging harness of the second charging connector 50, and cool air generated by the air conditioning system outside the vehicle can first enter the second air inlet duct 52 and then enter the air cooling compartment 20 through the second air outlet 52a, thereby cooling the first charging connector 10 and the second charging connector 50. It should be noted that the second air inlet duct 52 can cool the charging harness of the second charging connector 50.

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

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

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

a first charging connection;

the first charging connector is arranged on the gas cooling cabin, at least one part of the first charging connector extends into the gas cooling cabin, and the gas cooling cabin is provided with a second charging connector insertion hole;

the gas cooling compartment comprises: the first charging connector is mounted on the rear shell; the front shell is also provided with a flexible pad which is arranged on the front shell and limits the second charging connector insertion opening; the flexible pad is provided with a cross-shaped opening to form the second charging connector insertion opening.

2. The charging device for a vehicle according to claim 1, wherein an air inlet is provided on the front case.

3. The charging device for a vehicle according to claim 1, wherein an air inlet pipe is provided on the first charging connector.

4. The charging device of a vehicle of claim 3, wherein the first charging connector comprises: and the air inlet pipe is adjacent to the wiring terminal.

5. The charging device for a vehicle according to claim 1, further comprising:

the heat dissipation base, the heat dissipation base includes: the charging connector comprises a bottom wall and a peripheral wall, wherein the bottom wall is connected to the bottom of the peripheral wall, a mounting hole is formed in the bottom wall, the mounting hole is used for mounting the first charging connecting piece, and a radiating fin is arranged on the peripheral wall;

and the cooling pipeline is fixed on the peripheral wall of the heat dissipation base and is wound on the peripheral wall for a plurality of circles.

6. The charging device for a vehicle according to claim 5, wherein the heat radiating fins are provided in plurality at intervals in a circumferential direction of the peripheral wall.

7. The charging device for a vehicle according to claim 5, wherein said cooling line has an inlet and an outlet, said inlet and said outlet being disposed adjacent to each other.

8. The charging device for a vehicle according to claim 7, further comprising: the connector comprises an outer connector, wherein two interfaces are arranged in the outer connector, and the two interfaces are respectively connected with the inlet and the outlet.

9. A vehicle characterized by comprising a charging device of the vehicle according to any one of claims 1 to 8.