TWI667846B - Charging connector, charging device and vehicle - Google Patents

Abstract

The invention discloses a charging connector, and a charging device and a vehicle. The charging connector includes a housing, and a cooling chamber and a terminal hole are formed in the housing, and the cooling chamber is arranged around the terminal hole; a terminal is provided at the terminal. Inside the terminal hole; a plurality of first heat sinks, and the plurality of first heat sinks are distributed on the casing. Therefore, by providing the cooling chamber and the first heat sink, the temperature of the charging connector can be effectively reduced, the problem of overheating of the terminal can be avoided, and the charging safety of the vehicle can be guaranteed.

Description

Charging connection and charging device and vehicle

The present invention relates to the technical field of vehicle charging, and in particular, to a charging connector, a charging device having the charging connector, 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 increasing. Compared with traditional fuel vehicles, new energy vehicles have great advantages in energy saving and environmental protection, but electric vehicles have a long charging period, which has been a long-standing criticism.

At present, increasing the charging power to shorten the charging time is widely used. The following problems are: due to the excessive current, the terminal terminals at the charging socket are seriously heated, which causes the charging terminals to burn out or the charging problem to fail, so that the entire vehicle cannot be charged normally, and the charging safety cannot be effectively guaranteed.

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

The present invention aims to solve at least one of the technical problems in the related technology. For this reason, the present invention proposes a charging connector, which can effectively reduce the temperature of the terminal.

The invention further provides a vehicle charging device.

The invention further provides a vehicle.

The charging connector according to the present invention comprises: a housing having a cooling chamber and a terminal hole formed therein, the cooling chamber being provided around the terminal hole; a terminal, the terminal being provided in the terminal hole; and a plurality of first heatsinks A plurality of first heat sinks are distributed on the casing.

According to the charging connector of the present invention, by providing the cooling chamber and the first heat sink, the temperature of the charging connector can be effectively reduced, the problem of overheating of the terminal can be avoided, and the charging safety of the vehicle can be guaranteed.

In some examples of the present invention, a liquid inlet and a liquid outlet are formed on the top or bottom of the housing, and the liquid inlet and the liquid outlet are spaced apart.

In some examples of the present invention, the cooling chamber is annular and formed with a partition, and the partition is located between the liquid inlet and the liquid outlet.

In some examples of the present invention, the liquid outlet is provided with a pressure valve, and the pressure valve is opened when the pressure in the cooling chamber reaches a predetermined value.

In some examples of the present invention, the plurality of first fins extend along an axial direction of the casing and are distributed on an outer periphery of the casing.

A charging device for a vehicle according to the present invention includes a heat radiating body including a plate body and a cooling flow channel provided on the plate body; and a charging connection member mounted on the plate body. Above, the cooling chamber is in communication with the cooling flow channel.

In some examples of the present invention, a common inlet and a common outlet are formed on the plate body, and the cooling runners of the plurality of second fins share one common inlet and one common outlet.

In some examples of the present invention, both ends of the cooling chamber are provided with a liquid inlet and a liquid outlet, the liquid inlet is connected to at least one of the cooling channels and the liquid outlet is connected to at least one of the cooling channels.

A vehicle according to the present invention includes: the charging device; and a cooling system, the cooling runner, the cooling chamber, and the cooling system are in communication.

In some examples of the present invention, 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, a cooling flow path of the heat dissipation body, and a cooling chamber. A loop circuit is formed between them.

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

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

A charging device 100 for 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 may be used to charge a power battery.

As shown in FIG. 5, a charging device 100 for a vehicle according to an embodiment of the present invention may include: a charging connector 10 and a heat dissipation body 20, wherein the heat dissipation body 20 may include: a plate body 201 and a cooling channel, and the cooling channel is provided On the board 201. The charging connector 10 is installed on the plate body 201, and the cooling chamber 2 communicates with the cooling flow path, so that a cooling liquid can flow between the cooling chamber 2 and the cooling flow path, and the cooling liquid can continuously take away the work Heat.

The charging connector 10 will be described first.

As shown in FIGS. 1 to 4, the charging connector 10 may include a housing 1, a terminal 3, and a plurality of first heat sinks 4. A cooling chamber 2 and a terminal hole are formed in the housing 1, and the cooling chamber 2 surrounds the cooling chamber 2. Terminal holes are provided, where two terminal holes may be provided, and the terminal 3 is provided in the terminal hole. In other words, the cooling chamber 2 is provided around the terminal 3. Among them, the connection terminal 3 may include a positive connection terminal and a negative connection terminal for transmitting current. This terminal 3 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 implemented.

In this way, the cooling chamber 2 can effectively reduce the temperature of the terminal 3, avoid the problem of overheating of the terminal 3, and thus ensure the charging safety of the vehicle. The cooling chamber may be filled with a cooling medium, and the cooling medium may be a cooling liquid.

As shown in FIGS. 1 to 4, the plurality of first heat sinks 4 are distributed on the casing 1. The first heat sink 4 can work with the cooling chamber 2, so that the temperature of the charging connector 10 can be taken away better, and the temperature of the connection terminal 3 can be effectively reduced.

Therefore, according to the charging connector 10 of the embodiment of the present invention, by providing the cooling chamber 2 and the first heat sink 4, the temperature of the terminal 3 can be effectively reduced, the problem of overheating of the terminal 3 can be avoided, and the vehicle can be charged safety.

As shown in FIG. 1, a liquid inlet 1 a and a liquid outlet 1 b are formed on the top or bottom of the housing 1, and the liquid inlet 1 a and the liquid outlet 1 b are spaced apart from each other. Therefore, the liquid inlet 1a and the liquid outlet 1b are reasonably provided, and the liquid inlet and the liquid outlet are convenient, which can make the casing 1 simple in structure and the cooling chamber 2 arranged reasonably.

Optionally, the liquid outlet 1b is provided with a pressure valve (not shown), and the pressure in the cooling chamber 2 reaches a predetermined value, and the pressure valve is opened. Therefore, by setting a pressure valve, the amount of the cooling medium in the cooling chamber 2 can be controlled, and it can be ensured that there is sufficient cooling medium in the cooling chamber 2 when the charging connector 10 is docked with the charging gun 610 of the charging post 600, thereby ensuring that The function of the housing 1 to reduce the temperature of the terminal 3.

Of course, the liquid inlet 1a and the liquid outlet 1b may also have other arrangements. For example, the liquid inlet 1a and the liquid outlet 1b are formed on the housing 1, the liquid inlet 1a is located directly above the liquid outlet 1b, or The liquid inlet 1a is located directly below the liquid outlet 1b. The liquid inlet 1a and liquid outlet 1b provided in this way can ensure that the cooling medium effectively flows in a circular manner in the cooling chamber 2, so that the cooling chamber 2 can better reduce the temperature of the charging connector 10, and can avoid the occurrence of the terminal 3 Overheating problem.

Specifically, the liquid inlet 1 a is located at the lowermost end of the casing 1, and the liquid outlet 1 b is located at the uppermost end of the casing 1. Therefore, the cooling medium can flow out of the liquid outlet 1b after the cooling chamber 2 is filled, so that it can better ensure that the cooling chamber 2 has sufficient cooling medium, thereby ensuring that the charging connector 10 reduces the temperature of the terminal 3 effect.

A partition may be provided between the liquid inlet 1a and the liquid outlet 1b. The partition is used to ensure a loop of the cooling medium in the cooling chamber 2, so that the cooling medium can effectively take away the heat of the charging connector 10. .

Optionally, as shown in FIG. 1 and FIG. 2, the plurality of first fins 4 extend along the axial direction of the casing 1, and the plurality of first fins 4 are distributed in the circumferential direction of the casing 1. In this way, the plurality of first heat radiating fins 4 can be evenly distributed on the outer periphery of the casing 1, so that the heat of the terminal 3 can be better taken away.

The structure of the heat dissipation body 20 is described below.

As shown in FIG. 5, the heat dissipation main body 20 includes a plate body 201 and a plurality of second heat sinks 204. The plurality of second heat sinks 204 are disposed on the board body 201, and each second heat sink 204 has a cooling channel formed therein. The charging connector 10 is fixed on the plate body 201, and the cooling chamber 2 is in communication with the cooling channel of the second heat sink 204. The arrangement of the second heat sink 204 can further improve the heat dissipation effect of the charging connector 10, can effectively reduce the temperature of the terminal 3, and can avoid the problem of overheating of the terminal 3. In addition, the cooling channel in the second heat sink 204 is in communication with the cooling chamber 2, so that the problem of cooling liquid in and out of the cooling chamber 2 can be solved, and the arrangement of the charging connection member 10 can be simplified.

The plate body 201 is formed with a common inlet 202 and a common outlet 203, and the cooling channels of the plurality of second fins 204 share a common inlet 202 and a common outlet 203. In this way, the plate body 201 has a simple structure, which can effectively solve the problems of the liquid inlet and the liquid outlet of the plurality of cooling channels, and can further improve the heat dissipation effect of the charging connector 10.

Optionally, both ends of the cooling chamber 2 may be provided with a liquid inlet 1a and a liquid outlet 1b, the liquid inlet 1a is connected to at least one cooling flow channel, and the liquid outlet 1b is connected to at least one cooling flow channel. It should be explained that the number of the liquid inlets 1a connected to the cooling channel is greater than or equal to one, and the number of the liquid outlets 1b connected to the cooling channel is greater than or equal to one. In this way, it is possible to ensure that the cooling liquid flows in the plurality of cooling flow channels, and also to ensure that the cooling liquid in the plurality of cooling flow channels flows out from the liquid outlet 1b after the heat exchange is completed, so that the heat in the charging device 100 can be better. Taken to the outside of the charging device 100.

As shown in FIG. 6, the vehicle according to the embodiment of the present invention may include the charging device 100 and the cooling system 200 of the above embodiment, and the cooling runner, the cooling chamber 2, and the cooling system 200 are in communication. Therefore, a cooling liquid can flow in the cooling flow channel, and the vehicle can control the opening of the cooling system 200 when the vehicle is charged, so that the working temperature of the charging connector 10 can be effectively reduced.

Specifically, as shown in FIG. 6, the cooling system 200 includes a pump body 210, a heat exchanger 220, and a liquid storage tank 230, a pump body 210, a heat exchanger 220, a liquid storage tank 230, and a cooling channel of the heat dissipation body 20. A loop circuit is formed between the cooling chamber 2 and the cooling chamber 2. Therefore, the pump body 210 can work when the charging socket and the charging gun 610 are docked, thereby pumping the cooling liquid into the cooling flow channel and the cooling chamber 2 so that the cooling flow channel cools the connection terminal 3. The cooling system 200 further includes: a screening program 240, which is disposed between the pump body 210 and the heat exchanger 220, and the screening program 240 can play a filtering role.

Specifically, as shown in FIG. 6, the vehicle may further include a plug-in detection member 300 and an electric control module 400. The plug-in detection member 300 is used to detect a plug state of the charging gun 610 inserted into the charging socket, and the electric control module The group 400 is electrically connected to the plug-in detection member 300 and controls the pump body 210 to work after receiving the plug-in completion signal of the charging gun 610. Wherein, as shown in the figure, the vehicle may further include: a power distribution module 500, which can distribute power to the electric control module 400, and the electric control module 400 controls the working state of the pump body 210. Therefore, the charging socket can achieve a reasonable control purpose, and a cooling medium can be guaranteed to flow in the cooling flow channel during charging.

In the description of this specification, the description with reference to the terms “one embodiment”, “some embodiments”, “examples”, “specific examples”, or “some examples” and the like 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 expressions of the above terms are not necessarily directed 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. In addition, without any contradiction, 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 embodiments are exemplary and should not be construed as limitations on the present invention. Those skilled in the art can interpret the above within the scope of the present invention. Embodiments are subject to change, modification, substitution, and modification.

1‧‧‧shell

1a‧‧‧Inlet

1b‧‧‧outlet

2‧‧‧ cooling room

3‧‧‧Terminals

4‧‧‧The first heat sink

10‧‧‧ Charging connector

20‧‧‧Thermal body

100‧‧‧ charging device

200‧‧‧cooling system

201‧‧‧ Plate

202‧‧‧shared imports

203‧‧‧shared exit

204‧‧‧Second heat sink

210‧‧‧Pump

220‧‧‧Heat exchanger

230‧‧‧ liquid storage tank

240‧‧‧ Screening Program

300‧‧‧Plug detection

400‧‧‧electric control module

500‧‧‧ Distribution Module

600‧‧‧Charging pile

610‧‧‧ Rechargeable gun

Figures 1 and 2 are schematic diagrams of different angles of the charging connector according to the embodiment of the present invention; Figures 3 and 4 are sectional views of the charging connector according to the first embodiment of the present invention at different angles; Figure 5 FIG. 6 is a schematic diagram of a charging device according to an embodiment of the present invention; FIG. 6 is a schematic diagram of docking of a charging socket and a charging gun in the charging device according to an embodiment of the present invention.

Claims (10)

A charging connector is characterized in that it comprises: a housing, a cooling chamber and a plurality of terminal holes formed in the housing, the cooling chamber is provided around the plurality of terminal holes, and a terminal is provided in the terminal. One of the terminal holes; and a plurality of first heat sinks, the plurality of first heat sinks being distributed on the housing, wherein a liquid inlet and a liquid outlet are formed at the top or bottom of the housing, the The liquid inlet and the liquid outlet are spaced apart from each other. The cooling chamber is annular and a partition is formed. The partition is located between the liquid inlet and the liquid outlet. The charging connector according to item 1 of the scope of patent application, wherein the plurality of first fins extend along the axial direction of the casing and are distributed on the outer periphery of the casing. A charging device for a vehicle, comprising: a plate body; a cooling runner; the charging connector according to any one of claims 1 to 2 of the scope of patent application, the charging connector is mounted on the On the plate body, the cooling chamber is in communication with the cooling flow channel. A charging connector is characterized in that it comprises: a housing, a cooling chamber and a plurality of terminal holes formed in the housing, the cooling chamber is provided around the plurality of terminal holes, and a terminal is provided in the terminal. One of the terminal holes; and a plurality of first heat sinks, the plurality of first heat sinks being distributed on the housing, wherein a liquid inlet and a liquid outlet are formed at the top or bottom of the housing, the The liquid inlet and the liquid outlet are spaced apart from each other. The liquid outlet is provided with a pressure valve, and the pressure valve is opened when the pressure in the cooling chamber reaches a predetermined value. A charging device for a vehicle, comprising: a heat dissipation body, the heat dissipation body comprising: a plate body and a cooling runner as described in item 3 of the scope of patent application, the cooling runner is arranged on the board; The charging connector according to any one of the first, second and fourth items of the patent application scope, the charging connector is mounted on the board, and the cooling chamber is in communication with the cooling flow channel. The charging device for a vehicle according to item 5 of the scope of patent application, wherein the plate body is formed with a common inlet and a common outlet, and cooling channels of the plurality of second fins share a common inlet and a common outlet. The charging device for a vehicle according to item 6 of the scope of patent application, wherein a liquid inlet and a liquid outlet are provided at both ends of the cooling chamber, the liquid inlet is connected to at least one of the cooling channels and the liquid is The port is connected to at least one of the cooling channels. A vehicle characterized by comprising: the charging device according to any one of items 3, 5 to 7 of the scope of patent application; a cooling system, the cooling flow channel, the cooling chamber and the cooling system Connected. The vehicle according to item 8 of the scope of patent application, 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 A loop circuit is formed between the cooling channel and the cooling chamber. The vehicle according to item 9 of the scope of patent application, further comprising: a plug-in detecting member and an electric control module, the plug-in detecting member is used for detecting the plug-in state of the charging gun inserted into the charging connector, and the electric The control module is electrically connected to the plug detection member and controls the pump body to work after receiving the charging gun plug completion signal.