TWI688493B - 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 heat dissipating body, a cooling flow channel is formed in the heat dissipating body, a mounting seat is arranged on the heat dissipating body; a charging connector, the charging connector Mounted on the mount. Thereby, the cooling medium on the heat dissipation body can flow through the mounting seat, so that the cooling medium in the cooling flow channel can exchange heat with the charging connector at the mounting seat, thereby effectively reducing the temperature of the charging connector and reducing the charging connection. The temperature of the terminal of the piece can avoid the phenomenon of overheating of the terminal, thereby ensuring the reliability of the charging device and ensuring the charging safety of the vehicle.

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 electric vehicles is being promoted, and the number of new energy vehicles is also rising. Compared with traditional fuel vehicles, electric 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 are seriously heated, resulting in burnout of the terminals or charging failure problems, so that the whole 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. Therefore, the present invention proposes a charging device for a vehicle, which can effectively reduce the temperature of the connection terminal of the charging connector.

The invention further proposes a vehicle.

The charging device for a vehicle according to the present invention includes: a heat dissipation body in which a cooling flow channel is formed, and a mounting seat is provided on the heat dissipation body; a charging connector is installed on the mounting seat.

According to the charging device of the vehicle of the present invention, the cooling flow channel on the heat dissipation body flows through the mounting base, so that the cooling medium in the cooling flow channel can exchange heat with the charging connector at the mounting base, so that the charging connector can be effectively reduced The temperature can reduce the temperature of the connection terminal of the charging connector, can avoid the phenomenon of overheating of the connection terminal, and thus can ensure the working reliability of the charging device and the safety of the vehicle's charging.

In some examples of the present invention, the cooling channel communicates with the interior of the mounting base.

In some examples of the present invention, the heat dissipation body includes: an inlet pipe, a plurality of intermediate pipes and an outlet pipe, the plurality of intermediate pipes communicate between the inlet pipe and the outlet pipe, and the cooling flow channel in the mounting seat is at least one The cooling channels in the intermediate tube are in communication.

In some examples of the present invention, a plurality of the intermediate pipes are arranged perpendicular to the inlet pipe and the outlet pipe.

In some examples of the present invention, the upper end of the mounting base communicates with the inlet pipe and the lower end communicates with a plurality of intermediate pipes.

In some examples of the present invention, the mounting seat includes: a mounting portion and a sleeve portion, the sleeve portion is connected to the mounting portion and the axis is perpendicular to the surface of the mounting portion, the mounting portion is installed between the inlet pipe and the middle Between the tubes.

In some examples of the present invention, a cooling cavity is formed in the mounting portion, an upper end of the cooling cavity is fixed and in communication with the inlet pipe, and a plurality of through holes that are connected to the intermediate tube are provided at the lower end of the cooling cavity.

In some examples of the present invention, a plurality of mounting posts are provided on the mounting portion, mounting holes are formed at the mounting portion and the sleeve portion, a portion of the charging connector extends into the mounting hole, and a plurality of the mounting posts and The charging connector is fixed.

In some examples of the present invention, the mounting post is plural and disposed around the mounting hole.

In some examples of the present invention, the intermediate tube includes: a tube body with a cooling flow channel formed therein; and fins provided on the outer peripheral wall of the tube body.

The vehicle according to the present invention includes: a charging device of the vehicle; a cooling system, and the cooling flow path of the heat dissipation body communicates with the cooling system.

In some examples of the present invention, the cooling system includes: a pump body, a heat exchanger, and a liquid storage tank, and the cooling flow channels of the pump body, the heat exchanger, the liquid storage tank, and the heat dissipation body are connected in series.

In some examples of the present invention, the vehicle further includes: a plug-in detection component and an electronic control module. The plug-in detection component is used to detect a plug-in state of the charging gun inserted in the charging connector. The plug-in detection element is electrically connected and controls the pump body to work after receiving the charging gun plug-in completion signal.

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 vehicle charging device 100 according to an embodiment of the present invention will be described in detail below with reference to the drawings.

As shown in FIGS. 1 and 2, the vehicle charging device 100 according to the embodiment of the present invention may include: a heat dissipation body 10 and a charging connector 30, a cooling flow channel 11 is formed in the heat dissipation body 10, and the heat dissipation body 10 is provided with There is an installation base 20, the cooling flow channel 11 communicates with the interior of the installation base 20, and the charging connector 30 is installed on the installation base 20. In other words, the cooling channel 11 on the heat dissipation body 10 flows through the mounting base 20, so that the cooling medium in the cooling channel 11 can exchange heat with the charging connector 30 at the mounting base 20, so that the charging connector can be effectively reduced The temperature of 30 can reduce the temperature of the connection terminal of the charging connector 30, can avoid the phenomenon of overheating of the connection terminal, and thus can ensure the working reliability of the charging device 100 and can ensure the safety of the charging of the vehicle. The cooling medium may be cooling water or other cooling liquid. The connection terminal may include a positive connection terminal and a negative connection terminal that transmit current. This terminal is suitable for 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.

Optionally, as shown in FIGS. 1 and 2, the heat dissipation body 10 includes: an inlet tube 12, a plurality of intermediate tubes 13 and an outlet tube 14, the plurality of intermediate tubes 13 are connected in parallel between the inlet tube 12 and the outlet tube 14, and are installed The cooling flow channel 11 in the seat 20 communicates with the cooling flow channel 11 in at least one intermediate tube 13. Thus, the plurality of intermediate tubes 13 can share an inlet tube 12 and an outlet tube 14, which can make the heat dissipating body 10 simple in structure and easy to arrange. Moreover, the heat dissipation body 10 provided in this way can also ensure the smoothness of the flow of the cooling medium in each intermediate tube 13. Wherein, the cooling medium in the mounting base 20 can flow toward the intermediate tube 13, so that the inflow and outflow of the cooling medium in the mounting base 20 can be ensured, so that the cooling medium in the mounting base 20 can effectively cool the charging connector 30.

Specifically, as shown in FIGS. 1 and 2, the plural intermediate tubes 13 are arranged perpendicular to the inlet tube 12 and the outlet tube 14. In this way, the intermediate pipe 13 can be arranged vertically, and the inlet pipe 12 and the outlet pipe 14 can be arranged horizontally, so that the cooling medium in the intermediate pipe 13 can flow smoothly, and it can be beneficial to the inlet pipe 12 and the outlet pipe 14 simultaneously with a plurality of intermediate pipes 13 corresponds.

Optionally, as shown in FIG. 3, the intermediate tube 13 includes a tube body 131 and fins 132, a cooling channel 11 is formed in the tube body 131, and the fins 132 are provided on the outer peripheral wall of the tube body 131. The arrangement of the tube body 131 can allow the cooling medium to flow between the inlet tube 12 and the outlet tube 14, and the arrangement of the fins 132 can increase the heat dissipation area of the tube body 131, which can facilitate the mounting base 20 and the charging connector 30 to better Heat exchange.

As shown in FIGS. 1 and 2, the upper end of the mounting base 20 communicates with the inlet pipe 12, and the lower end of the mounting base 20 communicates with the plurality of intermediate pipes 13. Thereby, a part of the cooling medium can directly enter the mounting base 20 after flowing out from the inlet pipe 12, and exchange heat with the charging connector 30 at the mounting base 20, thereby effectively reducing the temperature of the connection terminal of the charging connector 30, Moreover, the cooling medium flowing out of the mounting base 20 can flow into the intermediate tube 13. Moreover, a mounting base 20 can correspond to a plurality of intermediate tubes 13 at the same time, thereby ensuring smooth flow of the cooling medium.

According to a specific embodiment of the present invention, the mounting base 20 includes: a mounting portion 21 and a sleeve portion 22, the sleeve portion 22 is connected to the mounting portion 21, and the axis of the sleeve portion 22 is perpendicular to the surface of the mounting portion 21, the mounting portion 21 is installed between the inlet pipe 12 and the intermediate pipe 13. It can be understood that the mounting portion 21 can play a fixing role, and can facilitate the flow of the cooling medium in the mounting portion 21, and the arrangement of the sleeve portion 22 can facilitate the mounting base 20 to fix the charging connector 30.

Optionally, as shown in FIG. 5, a cooling cavity is formed in the mounting portion 21, the upper end of the cooling cavity is fixed and communicated with the inlet tube 12, and the lower end of the cooling cavity is provided with a plurality of through holes 23 butted with the intermediate tube 13. That is to say, a cavity is substantially formed in the mounting portion 21, and the cavity is filled with a cooling medium, so that the volume in the mounting portion 21 can be reasonably utilized, and the heat exchange between the mounting base 20 and the connection terminal of the charging connector 30 can be improved The effect can effectively reduce the temperature of the terminal.

Specifically, as shown in FIGS. 2 and 4, a plurality of mounting posts 24 are provided on the mounting portion 21, mounting holes 25 are formed at the mounting portion 21 and the sleeve portion 22, and a part of the charging connector 30 extends into the mounting hole 25, and the plurality of mounting posts 24 are fixed with the charging connector 30. The charging connector 30 may be correspondingly provided with a perforation, and the mounting post 24 extends into the perforation and is fixed with other fasteners. On the one hand, the mounting post 24 thus provided can ensure the installation reliability between the charging connector 30 and the mounting base 20. On the other hand, the contact area between the charging connector 30 and the mount 20 can be effectively increased, and the temperature of the terminals of the charging connector 30 can be effectively reduced.

As shown in FIG. 2, the mounting posts 24 are plural, and the plural mounting posts 24 are arranged around the mounting holes 25. In this way, the plurality of mounting posts 24 can better improve the installation reliability of the charging connector 30 on the mounting base 20.

As shown in the figure, the vehicle according to the embodiment of the present invention may include the charging device 100 and the cooling system 40 of the vehicle of the above embodiment, and the cooling flow passage 11 is adapted to be connected in series in the cooling system 40 of the vehicle. Thus, cooling water can flow in the cooling flow channel 11, and the vehicle can control the opening of the cooling system 40 when the vehicle is charging, so that the operating temperature of the charging connector 30 can be effectively reduced.

Specifically, as shown in FIG. 6, the cooling system 40 may include: a pump body 41, a heat exchanger 42 and a liquid storage tank 43, the pump body 41, a heat exchanger 42, a liquid storage tank 43, the cooling flow channel 11 and installation The base 20 is connected in series, wherein the pump body 41 is connected to the heat exchanger 42, the liquid storage tank 43 is connected to the heat exchanger 42, and the liquid storage tank 43 is also connected to the cooling flow channel 11, and the cooling flow channel 11 is also connected to the pump body 41 Connected. Thereby, the pump body 41 can work when the charging connector 30 and the charging gun 81 on the charging pile 80 are docked, thereby pumping the cooling liquid into the cooling flow channel 11 and the mounting seat 20, so that the cooling liquid cools the connection terminal and the charging harness . The cooling system 40 further includes: a screening program 44, the screening program 44 is disposed between the pump body 41 and the heat exchanger 42, and the screening program 44 can play a filtering role.

Specifically, as shown in FIG. 6, the vehicle may further include: a plug detection member 50 and an electronic control module 60. The plug detection member 50 is used to detect the plug state of the charging gun 81 inserted in the charging connector 30. The control module 60 is electrically connected to the plug-in detection member 50 and controls the pump body 41 to work after receiving the signal that the charging gun 81 is plugged in. As shown in FIG. 6, the charging connector 30 may further include: a power distribution module 70, which may distribute power to the electronic control module 60, and the electronic control module 60 controls the working state of the pump body 41. In this way, the charging connector 30 can achieve the purpose of reasonable control, and can ensure that a cooling medium flows in the cooling flow channel 11 during charging.

In the description of this specification, the description referring to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means specific features described in conjunction with the embodiment 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 can be understood that the above-mentioned 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.

10‧‧‧The main body of heat dissipation 11‧‧‧Cooling flow channel 12‧‧‧Inlet pipe 13‧‧‧Intermediate pipe 131‧‧‧‧Body body 132‧‧‧fin 14‧‧‧‧Outlet pipe 20‧‧‧Mount 21 ‧‧‧Mounting part 22‧‧‧Sleeve part 23‧‧‧Through hole 24‧‧‧Mounting column 25‧‧‧Mounting hole 30‧‧‧Charge connector 40‧‧‧Cooling system 41‧‧‧Pump body 42 ‧‧‧Heat exchanger 43‧‧‧Liquid storage tank 44‧‧‧ Screening program 50‧‧‧Plug detection part 60‧‧‧Electronic control module 70‧‧‧Distribution module 80‧‧‧Charging pile 81 ‧‧‧Charging gun 100‧‧‧Charging device

Figure 1 is a schematic diagram of a charging device according to an embodiment of the present invention; Figure 2 is an exploded view of a charging device according to an embodiment of the present invention; Figure 3 is a partial structural schematic view of an intermediate tube; Figure 4 is an inlet tube and installation Block diagram of the base; Figure 5 is a cross-sectional view of the inlet tube and the mounting base; Figure 6 is a schematic diagram of the docking of the charging device and the charging gun according to an embodiment of the present invention.

10‧‧‧The main body of heat dissipation

11‧‧‧cooling runner

12‧‧‧Inlet

13‧‧‧ intermediate tube

131‧‧‧tube

132‧‧‧fin

14‧‧‧Exit

20‧‧‧Mount

30‧‧‧Charging connector

Claims (12)

A charging device for a vehicle is characterized by comprising: a heat dissipating body, a cooling flow channel is formed in the heat dissipating body, a mounting seat is provided on the heat dissipating body; and a charging connector is installed on the mounting seat Above, wherein: the heat dissipation body includes an inlet pipe, a plurality of intermediate pipes and an outlet pipe, the plurality of intermediate pipes communicate between the inlet pipe and the outlet pipe, and the mounting base includes an installation portion and a sleeve portion, The sleeve portion is connected to the mounting portion and the axis is perpendicular to the surface of the mounting portion, and the mounting portion is installed between the inlet pipe and the plurality of intermediate pipes. The charging device for a vehicle as described in item 1 of the patent application range, wherein the cooling flow path communicates with the interior of the mount. The charging device for a vehicle as described in item 1 of the patent application range, wherein the cooling flow passage in the mount is in communication with at least one cooling flow passage in the intermediate tube. The charging device for a vehicle as described in item 3 of the patent application range, wherein a plurality of the intermediate tubes are arranged perpendicular to the inlet tube and the outlet tube. The charging device for a vehicle as described in item 3 of the patent application range, wherein the upper end of the mounting base communicates with the inlet pipe and the lower end communicates with the plurality of intermediate pipes. A charging device for a vehicle as described in item 5 of the patent application range, wherein a cooling cavity is formed in the mounting portion, an upper end of the cooling cavity is fixed and in communication with the inlet pipe, and a plurality of butt joints with the intermediate tube are provided at the lower end of the cooling cavity Through hole. A charging device for a vehicle as described in item 5 of the patent application, wherein the mounting portion is provided with a plurality of mounting posts, a mounting hole is formed at the mounting portion and the sleeve portion, and a part of the charging connector extends into the A mounting hole, and a plurality of the mounting posts are fixed to the charging connector. The charging device for a vehicle as described in item 7 of the patent application range, wherein the mounting post is plural and disposed around the mounting hole. A charging device for a vehicle as described in item 3 of the patent application range, wherein the intermediate tube includes: a tube body formed with a cooling channel; a fin provided on an outer periphery of the tube body On the wall. A vehicle, characterized in that it includes: the vehicle charging device as described in any one of claims 1 to 9; a cooling system, the cooling flow path of the heat dissipation body communicates with the cooling system. The vehicle according to item 10 of the patent application scope, wherein the cooling system includes: a pump body, a heat exchanger, and a liquid storage tank, the pump body, the heat exchanger, the liquid storage tank, and the heat dissipation body Cooling channels are connected in series. The vehicle as described in item 11 of the patent application scope further includes: a plug-in detection element and an electronic control module, the plug-in detection element is used to detect the plug-in state of the charging gun inserted in the charging connector, the electric The control module is electrically connected to the plug-in detection element and controls the pump body to work after receiving the signal of the completion of plugging of the charging gun.

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