WO2019062971A1 - Charging device and vehicle - Google Patents

Abstract

Provided is a charging device (10), comprising: a housing (1) and a wiring terminal (2), wherein the wiring terminal (2) comprises a first sealing chamber (21) and a liquid metal (22), with the first sealing chamber (21) being fixed in the housing (1), and the liquid metal (22) being accommodated in the first sealing chamber (21). Further provided is a vehicle.

Description

Charging device and vehicle

Cross-reference to related applications

The present application claims the priority of the Chinese Patent Application No. "201710938991.1" filed on September 30, 2017 by BYD Co., Ltd., entitled "Charging Device and Vehicle".

Technical field

The present disclosure relates to the field of vehicle technology, and in particular, to a charging device and a vehicle having the same.

Background technique

At present, energy problems and environmental problems have promoted the explosive growth of new energy vehicles, and the number of new energy vehicles has also increased. Compared with traditional vehicles, new energy vehicles have great advantages in energy saving and environmental protection. However, electric vehicles have long charging cycles, but they have long been criticized.

It is one of the commonly used solutions to increase the charging power to shorten the charging time. The problem with it is that the charging socket terminal has a serious heat, which causes the terminal to burn out or the charging problem to be faulty, and the whole vehicle cannot be charged normally.

In the related art, the existing cooling schemes of the charging gun and the charging port are basically independent systems, and only the cooling is performed on the one hand, and there is no unified integration. In addition, two sets of cooling schemes are provided to separately cool the vehicle and the charging gun side. The structure of this method is complicated, the operation is relatively troublesome, and it requires more space, and it is also difficult to achieve unified control and management. The cost of the two systems is relatively large, and the cooling loops of the two are also difficult to exchange information, and it is difficult to deal with problems.

Summary of the invention

The present disclosure aims to solve at least one of the technical problems in the related art to some extent. To this end, the present disclosure proposes a charging device that can effectively solve the problem of burnout of the terminal.

The present disclosure also proposes a vehicle.

A charging device according to the present disclosure includes: a housing; a terminal, the terminal includes: a first sealing chamber and a liquid metal, the first sealing chamber being fixed in the housing, the liquid metal being accommodated at the first Seal the room.

According to the charging device of the present disclosure, by placing the liquid metal in the sealed chamber, it is possible to withstand a large current and, without generating excessive resistance heat, and efficiently dissipating heat of the charging connector to the air and the coolant. Therefore, the problem of burning of the terminal can be effectively solved, thereby improving the use and safety of the vehicle.

In some examples of the present disclosure, the first sealed chamber includes: a sealing sleeve and a sealing plug, the sealing sleeve is fixed in the housing, and one end of the sealing sleeve is provided with a hole, and the sealing sleeve is fixed at the In the housing, the sealing plug seals the hole, and the sealing plug is a conductive member.

In some examples of the present disclosure, the terminal is connected to a charging harness, and the sealing sleeve is a conductive member, and a core of the charging harness is connected to the sealing sleeve.

In some examples of the present disclosure, the terminal is connected to a charging harness, and the sealing sleeve is provided with a wiring hole through which the core of the charging harness contacts the liquid metal.

In some examples of the disclosure, at least a portion of the sealing plug extends into the aperture to seal the aperture.

In some examples of the present disclosure, one end of one end of the gland is provided with an annular groove, and the sealing plug is sleeved at the annular groove to seal the hole.

In some examples of the present disclosure, the charging device further includes: a charging harness, the charging harness includes a core and an outer insulating layer, the sealing sleeve is an insulating material, and the outer insulating layer is integrated with the sealing sleeve A molded part, the core is also in contact with the liquid metal.

In some examples of the disclosure, the wire core is a solid metal material.

In some examples of the disclosure, the charging device is a charging socket or a charging gun.

In some examples of the present disclosure, the charging device further includes a heat sink that is sleeved on the housing.

In some examples of the present disclosure, the heat sink includes: a main body and a plurality of first fins, a cooling chamber is formed in the main body, and an inner circumference defines a receiving hole for receiving the housing A plurality of the first fins are distributed on an outer surface of the body.

In some examples of the present disclosure, a plurality of the first fins extend along an axial direction of the body and are distributed in a circumferential direction of the body.

In some examples of the present disclosure, the charging device further includes: a heat dissipation body, the heat dissipation body includes: a plate body and a plurality of cooling flow channels, the cooling flow channel is disposed on the plate body, and the main body is mounted The cooling chamber is in communication with the cooling flow passage on the plate body.

In some examples of the present disclosure, the plate body is formed with a common inlet and a common outlet, and the plurality of cooling channels share one of the common inlet and one of the common outlet.

A vehicle according to the present disclosure includes: the charging device; a heat sink; the heat sink includes: a main body and a plurality of first fins, a cooling chamber is formed in the main body, and an inner circumference defines a receiving hole, a receiving hole for accommodating the housing, a plurality of the first fins are distributed on an outer surface of the main body; a heat dissipating body; the heat dissipating body comprises: a plate body and a plurality of cooling flow channels, the cooling flow a passage disposed on the plate body, the main body being mounted on the plate body, the cooling chamber being in communication with the cooling flow passage; a cooling system, the cooling flow passage, the cooling chamber, and the cooling system Connected.

In some examples of the disclosure, the cooling system includes: a pump body, a heat exchanger, a liquid storage tank, the pump body, the heat exchanger, the liquid storage tank, and a cooling flow passage of the heat dissipation body A circulation loop is formed between the cooling chamber and the cooling chamber.

In some examples of the present disclosure, the charging device further includes: a plug detecting component and an electronic control module, the plug detecting component is configured to detect a charging gun insertion state inserted into the charging socket, the electronic control The module is electrically connected to the plug detecting member and controls the pump body to operate after receiving the charging gun insertion completion signal.

DRAWINGS

1, 6, 8, and 10 are cross-sectional views of a charging socket and a charging gun assembly in accordance with an embodiment of the present disclosure;

2 and 7 are cross-sectional views of a charging socket in accordance with an embodiment of the present disclosure;

3 and 9 are cross-sectional views of a charging gun in accordance with an embodiment of the present disclosure;

4 is a schematic diagram of a charging device in accordance with an embodiment of the present disclosure;

5 is a schematic diagram of a charging socket docked with a charging gun in accordance with an embodiment of the present disclosure;

11-13 are schematic views of docking of charging devices of three different embodiments;

14 is a schematic illustration of a heat sink in accordance with an embodiment of the present disclosure;

15 is a schematic structural view of a vehicle according to an embodiment of the present disclosure.

Reference mark:

Vehicle 1000,

Charging device 10;

Housing 1; terminal 2; first sealing chamber 21; sealing sleeve 211; sealing plug 212; liquid metal 22;

Charging wire harness 3; core 31; outer insulating layer 32; second sealing chamber 33;

Heat dissipating body 6; plate body 61; second heat sink 62; common inlet 63; common outlet 64; charging socket 65; charging gun 66;

Cooling system 20; cooling chamber 72; pump body 73; heat exchanger 74; liquid storage tank 75; filter 77;

Plug detector 30; electronic control module 40; power distribution module 50;

a first pump body 60; a first liquid storage tank 70; a first filter 80; a control valve 90;

The heat sink 100; the main body 101; the mounting hole 102; the first heat sink 103; the liquid inlet 101a; and the liquid outlet 101b.

Detailed ways

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

A charging device 10 according to an embodiment of the present disclosure will be described in detail below with reference to FIGS.

The charging device 10 includes a housing 1 and a terminal 2, and the terminal 2 is fixed in the housing 1, so that the housing 1 can function to protect and fix the terminal 2. The terminal 2 can be multiple and multiple wires. The terminals 2 are arranged in pairs. For example, as shown in FIG. 1, the terminal 2 may be two. The terminal 2 may include a positive terminal and a negative terminal for transmitting current. This terminal 2 is suitable for a DC charging port. Similarly, the charging port of the AC charging port is also in pairs, and may be multiple. The principle is the same as above, and the application can still be implemented.

The terminal 2 is electrically connected to the charging harness 3, and the terminal 2 is arranged in various forms, which will be described in detail below.

According to a first alternative embodiment of the present disclosure, as shown in FIGS. 1-3, the terminal 2 may include a first sealing chamber 21 and a liquid metal 22, and the first sealing chamber 21 is fixed in the housing 1, liquid metal 22 is housed in the first sealed chamber 21.

The liquid metal 22 is briefly described below. The liquid metal 22 is an amorphous, flowable liquid, and the liquid metal 22 is a viscous fluid. The viscosity of the liquid metal 22 is related to its composition, and it increases with the decrease of the temperature of the liquid metal 22 during the flow. When crystals appear in the liquid metal 22, the viscosity of the liquid increases sharply, and the flow rate and flow state also occur sharply. Varyingly, the liquid metal 22 has superconducting heat and superconducting power, and the vehicle can withstand a large current during operation by placing the liquid metal 22 in the first sealed chamber 21 during high power charging, and When the terminal 2 is operated, it does not generate excessive resistance heat. In addition, part of the heat generated during the operation of the terminal 2 is diluted by the liquid metal 22, and the other part is dissipated into the air, thereby enabling the heat generation of the terminal 2 to be greatly reduced, thereby effectively solving the problem. The terminal 2 is burnt out, which can improve the use and safety of the vehicle.

According to an embodiment of the present invention, as shown in FIGS. 1-3, the charging device 10 is provided as a charging socket 65, or the charging device 10 may be a charging gun 66, that is, the charging device 10 thus provided may be adapted for charging. The socket 65 can also be applied to the charging gun 66. As shown in FIG. 1, during the charging process of the vehicle, after the charging socket 65 is docked with the charging gun 66, the charging socket 65 and the terminal 2 at both ends of the charging gun 66 are in contact with each other, so that the purpose of charging the vehicle can be achieved.

As shown in FIG. 1 to FIG. 3, the first sealing chamber 21 may include a sealing sleeve 211 and a sealing plug 212. One end of the sealing sleeve 211 is provided with a hole, and the hole may be disposed on the end of the sealing sleeve 211 and only partially sealed. The end of the sleeve 211 is open, and the hole may also be a hole that is completely open at one end of the sealing sleeve 211, that is, one end of the sealing sleeve 211 may be an open end. The sealing sleeve 211 is fixed in the casing 1. The sealing plug 212 has a sealing function, and the sealing plug 212 seals the hole in the sealing sleeve 211, so that the sealing plug 212 seals the hole, and the liquid metal 22 in the first sealing chamber 21 can be prevented from leaking out. . At the same time, the surface of the sealing plug 212 is smooth, and when the charging socket 65 comes into contact with the terminal 2 at both ends of the charging gun 66, the charging socket 65 and the terminal 2 at both ends of the charging gun 66 can be better fitted together.

According to an embodiment of the present invention, the outer periphery of one end of the sealing sleeve 211 is provided with an annular groove, and the sealing plug 212 is sleeved at the annular groove to seal the hole in the sealing sleeve 211, so that the annular groove and the sealing plug 212 can be arranged. The good connections are made to make the annular groove and the sealing plug 212 more compact, so that the liquid metal 22 can be further prevented from flowing out of the hole.

The sealing sleeve 211 is not limited to this. The sealing sleeve 211 may have holes at both ends, and the sealing plugs 212 are two. The two sealing plugs 212 respectively seal the two holes of the sealing sleeve 211.

In accordance with an embodiment of the present invention, the sealing plug 212 is configured as a conductive member to ensure that electricity is directed from the charging gun 66 to the charging receptacle 65. Thus, when the charging socket 65 is docked with the charging gun 66, the terminal 2 of the charging socket 65 and the terminal 2 of the charging gun 66 can be effectively docked and a current can be transmitted.

At least a portion of the sealing plug 212 extends into the hole to seal the hole of the sealing sleeve 211. It should be understood that the sealing plug 212 may partially extend into the hole or may extend all the way into the hole, so that the sealing can be better. Thereby, it is possible to ensure that the charging device 10 has high safety during operation.

As shown in FIG. 1 to FIG. 3, the terminal 2 is connected to the charging harness 3, the sealing sleeve 211 is a conductive member, and the charging harness 3 is connected to the conductive member. It can also be understood that the charging harness 3 is connected to the sealing sleeve 211 and charged. The wire harness 3 has an electric conduction function, and electric power can be transmitted between the sealing sleeve 211 and the charging wire harness 3. During the charging process, the electric vehicle can be guided to the vehicle through the charging harness 3, so that the working demand for continuously supplying power to the vehicle can be realized.

After the modification of the terminal 2, the connection manner of the terminal 2 and the charging harness 3 can also be modified accordingly, which will be described in detail below.

As shown in FIG. 1 to FIG. 3, the terminal 2 is connected with a charging harness 3, and the sealing sleeve 211 is provided with a wiring hole. The charging harness 3 is in contact with the liquid metal 22 through the wiring hole. At the wiring hole, the outer circumference of the charging harness 3 is surrounded. There are seals. During the charging process, electricity can be transmitted from the charging harness 3 on the side of the charging gun 66 to the liquid metal 22 in the terminal 2 on the side of the charging gun 66, and then the terminal 2 on the side of the charging gun 66 is electrically transmitted to the side of the charging socket 65. The terminal 2, and then the terminal 2 on the side of the charging socket 65, is electrically transmitted to the charging harness 3 on the side of the charging socket 65, and finally the entire charging circuit is completed, so that the charging operation can be normally performed.

In another embodiment, as shown in FIG. 1 to FIG. 3, the charging device 10 may further include: a charging harness 3 including a core 31 and an outer insulating layer 32, and the outer insulating layer 32 is integrated with the sealing sleeve 211. The molded part and the integrally molded part can improve the structural uniformity of the outer insulating layer 32 and the sealing sleeve 211, thereby preventing the outer insulating layer 32 and the sealing sleeve 211 from being cracked, and the core 31 is also in contact with the liquid metal 22 during the charging process. In view of the fact that the liquid metal generates less heat, the outer insulating layer 32 can serve as a seal. Further, the core 31 is provided in a solid metal material, so that the core 31 has a conductive function, thereby ensuring that the charging device 10 completes the work requirement.

As shown in FIGS. 6-10, according to a second alternative embodiment of the present disclosure, the charging device 10 includes a housing 1, a terminal 2 and a charging harness 3, and the terminal 2 includes: a first sealing chamber 21 and a liquid metal 22, the liquid metal 22 is housed in the first sealed chamber 21, and the charging harness 3 includes: a second sealed chamber 33 and a liquid metal 22, the liquid metal 22 is accommodated in the second sealed chamber 33, the first sealed chamber 21 and the second sealed The chamber 33 is continuous. In other words, both the first sealed chamber 21 and the second sealed chamber 33 are filled with liquid metal. This can further reduce the amount of heat generated by the terminal 2 and the charging harness 3, so that the charging device 10 can be made suitable for a high-power charging item.

The first sealing chamber 21 and the second sealing chamber 33 are arranged in various forms, for example, the first sealing chamber 21 is fixed in the housing 1, and the second sealing chamber 33 is at least partially fixed outside the housing 1; in other words, the wiring The terminal 2 is disposed in the housing 1, and the charging harness 3 is disposed outside the housing 1. For example, the second sealing chamber 33 is fixed outside the housing 1, and the first sealing chamber 21 is at least partially fixed in the housing 1, in other words A part of the terminal 2 is disposed in the housing 1.

The arrangement of the above two terminals 2 and the charging harness 3 can produce less heat generation.

The liquid metal 22 has superconducting heat and superconducting power, and the vehicle is placed in the first sealed chamber 21 and the second sealed chamber 33 during high power charging, so that the terminal 2 and the charging harness 3 are working. It is able to withstand large currents and does not generate excessive resistance heat when the terminal 2 and the charging harness 3 are operated.

During the operation of the terminal 2, the heat generated by the terminal 2 can be quickly transmitted to the charging harness 3 communicating with the terminal 2, so that the liquid metal 22 in the terminal 2 and the liquid metal 22 in the charging harness 3 are facilitated. Heat exchange, at the same time, can also increase the heat dissipation area and heat dissipation speed. Therefore, such a setting can greatly reduce the amount of heat generated by the terminal 2, thereby effectively solving the problem of burning of the terminal 2 terminal, thereby improving the use and safety of the vehicle.

According to an embodiment of the present invention, as shown in FIGS. 6-9, the first sealing chamber 21 may include a sealing sleeve 211 and a sealing plug 212. The sealing sleeve 211 is provided with a hole at one end of the charging harness 3, and the hole may be disposed at The end of the sealing sleeve 211 is open only to the end of the partial sealing sleeve 211, and the hole may also be a hole that is completely open at one end of the sealing sleeve 211, that is, one end of the sealing sleeve 211 may be an open end. The sealing plug 212 seals the bore of the sealing sleeve 211. The sealing plug 212 has a sealing function, and the sealing plug 212 seals the hole, so that the sealing plug 212 seals the hole, and the liquid metal 22 in the first sealing chamber 21 can be prevented from being missed. At the same time, the surface of the sealing plug 212 is smooth, and when the charging socket 65 comes into contact with the terminal 2 at both ends of the charging gun 66, the charging socket 65 and the terminal 2 at both ends of the charging gun 66 can be better fitted together.

The sealing sleeve 211 and/or the second sealing chamber 33 may be an insulating member, and the sealing plug 212 is a conductive member. That is, at least one of the sealing sleeve 211 and the second sealing chamber 33 may be an insulating member, which can improve the safety of use of the terminal 2 and the charging harness 3, and can effectively prevent liquid metal from passing through the sealing sleeve 211 and the first The two sealed chambers 33 leak to the outside, and the sealing plug 212 can facilitate the effective transmission current when the charging socket 65 and the charging gun 66 are docked.

In accordance with an embodiment of the present invention, the sealing plug 212 is configured as a conductive member to ensure that electricity is directed from the charging gun 66 to the charging receptacle 65. Thus, when the charging socket 65 is docked with the charging gun 66, the terminal 2 of the charging socket 65 and the terminal 2 of the charging gun 66 can be effectively docked and a current can be transmitted.

At least a portion of the sealing plug 212 extends into the hole to seal the hole of the sealing sleeve 211. It should be understood that the sealing plug 212 may partially extend into the hole or may extend all the way into the hole, so that the sealing can be better. Therefore, it can be further ensured that the liquid metal 22 does not flow out from the hole, thereby ensuring high safety of the charging device 10 during operation.

One end of one end of the sealing sleeve 211 is provided with an annular groove, and the sealing plug 212 is sleeved at the annular groove to seal the hole, so that the annular groove can be better connected with the sealing plug 212, and the annular groove can be The sealing plug 212 is more closely structured so that the liquid metal 22 can be further prevented from flowing out of the hole.

As shown in FIG. 11 to FIG. 13, the charging device 10 may further include: a first pump body 60 and a first liquid storage tank 70. The first liquid storage tank 70 stores liquid metal, a first sealing chamber 21 and a first storage tank. The liquid tank 70 is connectable, and the first pump body 60 is disposed between the first sealing chamber 21 and the first liquid storage tank 70. When it is detected that the charging socket 65 and the charging gun 66 are plugged in, the charging device 10 operates, first The pump body 60 can pump the liquid metal stored in the first liquid storage tank 70 into the first sealing chamber 21 and the second sealing chamber 33, so that the charging function of the charging device 10 can be realized. When it is detected that a gun needs to be pulled, The first pump body 60 can pump the liquid metal in the first sealing chamber 21 and the second sealing chamber 33 back into the first liquid storage tank 70, so that the liquid metal can be controlled to flow into and out of the first sealing chamber 21 and the second at any time. The chamber 33 is sealed, so that the service life of the charging device 10 can be improved. Thereby, the weight of the charging socket 65 and the charging gun 66 can be effectively reduced, the weight of the charging gun 66 can be reduced, and the weight of the vehicle in the running state can be reduced, and the weight of the vehicle can be reduced. A first filter 80 is disposed between the first pump body 60 and the first liquid storage tank 70, and the first filter 80 can function as a filter.

As shown in FIGS. 11-13, the charging device 10 may further include a control valve 90 disposed between the first sealed chamber 21 and the pump body 73, and the control valve 90 has a control liquid metal flowing in and out of the first seal. The function of the chamber 21 and the second sealing chamber 33, when the charging device 10 is in operation, opens the control valve 90, and then the pump body 73 pumps the liquid metal into the first sealed chamber 21 and the second sealed chamber 33 when the charging device 10 When not in operation, the control valve 90 is closed, and then the pump body 73 pumps the liquid metal back into the first liquid storage tank 70. This arrangement makes the operation simple and convenient, thereby improving customer satisfaction. It should be noted that the control valve 90 may also be disposed at the outlet of the first liquid storage tank 70.

As shown in FIG. 6-10, the charging device 10 is provided as a charging socket 65, or the charging device 10 can be a charging gun 66, that is, the charging device 10 thus provided can be applied to the charging socket 65, and can also be used for charging. Gun 66. As shown in FIG. 6 and FIG. 8, during the charging process of the vehicle, after the charging socket 65 is docked with the charging gun 66, the charging socket 65 and the terminal 2 at both ends of the charging gun 66 are in contact with each other, so that the purpose of charging the vehicle can be achieved.

According to an embodiment of the present invention, the terminal 2 of any one of the charging socket 65 and the charging gun 66 can be set as a liquid metal terminal, and the other terminal 2 is set as a solid terminal, and it should be explained that if charging is performed The terminal 2 of the socket 65 is provided as a liquid metal terminal, and the terminal 2 of the charging gun 66 is set as a solid terminal. If the terminal 2 of the charging gun 66 is set as a liquid metal terminal, the terminal 2 of the charging socket 65 is placed. Set as a solid terminal. Of course, it is also possible to simultaneously set the charging socket 65 and the terminal 2 of the charging gun 66 as liquid metal terminals.

As shown in FIGS. 11-13, according to a third alternative embodiment of the present disclosure, the charging device 10 includes a housing 1, a terminal 2, a first reservoir 70, and a first pump body 60, and the terminal 2 includes a first sealing chamber 21, the first sealing chamber 21 is fixed in the housing 1, the first sealing chamber 21 is for accommodating the liquid metal 22, the first liquid storage tank 70 is stored with the liquid metal 22, and the first pump body 60 is connected. Between the first sealed chamber 21 and the first liquid storage tank 70, the first pump body 60 can pump the liquid metal 22 stored in the first liquid storage tank 70 into the first sealed chamber 21, or can be first The liquid metal 22 within the sealed chamber 21 is pumped back into the first reservoir 70.

The first sealing chamber 21 of the charging socket 65 and the two terminals 2 of the charging gun 66 is filled with liquid metal 22. When the vehicle is charged, the charging socket 65 and the charging gun 66 are connected, and the charging gun 66 side needs to be artificial. Pick up and dock with the charging socket 65, thereby providing the first pump body 60 to control the liquid metal 22 to flow into and out of the first sealing chamber 21, so that the liquid metal 22 on the side of the charging gun 66 can be pumped to the first time at the charging time. In the sealed chamber 21, and after detecting the need to pull the gun, the liquid metal 22 is pumped out of the first sealed chamber 21 through the pump body 73, so that the weight of the charging gun 66 can be reduced, and at the same time, improper operation can be avoided. Causes liquid metal 22 to leak. The terminal of the charging socket 65 and the terminal of the charging gun 66 are not penetrated.

According to an embodiment of the present invention, as shown in FIG. 7, FIG. 9, and FIG. 10, the first sealing chamber 21 may include a sealing sleeve 211 and a sealing plug 212. One end of the sealing sleeve 211 is provided with a hole, and the hole may be disposed in the sealing. The end of the sleeve 211 is open only at the end of the partial sealing sleeve 211, and the hole may also be a hole in which the sealing sleeve 211 is completely open at one end, that is, one end of the sealing sleeve 211 may be an open end. The sealing sleeve 211 is fixed in the casing 1. The sealing plug 212 has a sealing function, and the sealing plug 212 seals the hole in the sealing sleeve 211, so that the sealing plug 212 seals the hole, and the liquid metal 22 in the first sealing chamber 21 can be prevented from leaking out. . At the same time, the surface of the sealing plug 212 is smooth, and when the charging socket 65 comes into contact with the terminal 2 at both ends of the charging gun 66, the charging socket 65 and the terminal 2 at both ends of the charging gun 66 can be better fitted together.

One end of one end of the sealing sleeve 211 is provided with an annular groove, and the sealing plug 212 is sleeved at the annular groove to seal the hole, so that the annular groove can be better connected with the sealing plug 212, and the annular groove can be The sealing plug 212 is more closely structured so that the liquid metal 22 can be further prevented from flowing out of the hole.

The sealing sleeve 211 may also have holes at both ends, and the sealing plugs 212 are two, and the two sealing plugs 212 respectively seal the two holes.

In accordance with an embodiment of the present invention, the sealing plug 212 is configured as a conductive member to ensure that electricity is directed from the charging gun 66 to the charging receptacle 65. Thus, when the charging socket 65 is docked with the charging gun 66, the terminal 2 of the charging socket 65 and the terminal 2 of the charging gun 66 can be effectively docked and a current can be transmitted.

At least a portion of the sealing plug 212 extends into the hole to seal the hole. It should be understood that the sealing plug 212 may partially extend into the hole or may extend into the hole, so that the hole can be sealed better, thereby ensuring charging. The device 10 has a high level of safety during operation.

As shown in FIG. 7, FIG. 9, and FIG. 10, the terminal 2 is connected to the charging harness 3, the sealing sleeve 211 is a conductive member, and the charging harness 3 is connected to the conductive member. It can also be understood that the charging harness 3 is connected to the sealing sleeve 211. Moreover, the charging harness 3 has a conductive function, and electric power can be transmitted between the sealing sleeve 211 and the charging harness 3, and the electric vehicle can be guided to the vehicle through the charging harness 3 during the charging process, so that the working demand for continuously supplying power to the vehicle can be realized.

As shown in FIG. 7, FIG. 9, and FIG. 10, the terminal 2 is connected to the charging harness 3, and the sealing sleeve 211 is provided with a wiring hole. The charging harness 3 is in contact with the liquid metal 22 through the wiring hole. At the wiring hole, the charging harness 3 The outer circumference is surrounded by a sealing ring. During the charging process, electricity can be transmitted from the charging harness 3 on the side of the charging gun 66 to the liquid metal 22 in the terminal 2 on the side of the charging gun 66, and then the terminal 2 on the side of the charging gun 66 is electrically transmitted to the side of the charging socket 65. The terminal 2, and then the terminal 2 on the side of the charging socket 65, is electrically transmitted to the charging harness 3 on the side of the charging socket 65, and finally the entire charging circuit is completed, so that the charging operation can be normally performed.

According to an embodiment of the present invention, as shown in FIGS. 7, 9, and 10, the charging device 10 may further include: a charging harness 3 including a core 31 and an outer insulating layer 32, an outer insulating layer 32 and a seal The sleeve 211 is an integrally formed piece, and the integral molded piece can improve the structural uniformity of the outer insulating layer 32 and the sealing sleeve 211, thereby preventing the outer insulating layer 32 and the sealing sleeve 211 from being cracked, and the core 31 is also in contact with the liquid metal 22. In the charging process, in view of the fact that the liquid metal generates less heat and the state temperature, the heat generated by the core 31 can be transferred to the liquid metal, and the outer insulating layer can serve as a sealing. Further, the core 31 is provided in a solid metal material, so that the core 31 has a conductive function, thereby ensuring that the charging device 10 completes the work requirement.

As shown in FIGS. 11-13, the charging device 10 may further include: a control valve 90 disposed between the sealed chamber and the pump body, and the control valve 90 has a function of controlling the flow of liquid metal into and out of the sealed chamber when charging When the device 10 is in operation, the control valve 90 is opened, and then the pump body pumps the liquid metal into the sealed chamber. When the charging device 10 is not in operation, the control valve 90 is closed, and then the pump body 73 pumps the liquid metal back to the first liquid storage tank. Within 70, this setting makes the operation simple and convenient, which can improve customer satisfaction.

On the basis of the above three different embodiments, the charging device 10 may further include other components such as the heat sink 100 and the heat dissipation body 101. The heat sink 100 is sleeved on the housing 1. The heat sink 100 can be mounted on the heat dissipating body 101. The heat sink 100 has a heat dissipating function, and can dissipate heat generated during the working process of the charging device 10, thereby ensuring that the temperature does not accumulate. On the charging device 10, it is possible to prevent the charging device 10 from being burnt due to excessive temperature.

The heat dissipation body 6 may include a plate body 61 and a cooling flow path, and the cooling flow path is disposed on the plate body 61. The housing 1 is housed on the receiving hole 102, and it can also be understood that the housing 1 belongs to a part of the charging device 10, and the housing 1 can be mounted on the heat sink 100. The heat sink 100 can be mounted on the heat dissipation body 6, that is, the heat sink 100 component can function to dissipate heat from the casing 1, and can also function to mount the fixed casing 1.

The heat sink 100 will be described first below.

As shown in FIG. 14, the heat sink 100 may include a main body 101 and a plurality of first fins 103. The main body 101 is formed with a cooling chamber 72 therein, and an inner circumference of the main body 101 defines a receiving hole 102 for accommodating the housing. body. That is to say, the housing can be mounted in the receiving hole 102. The arrangement of the receiving hole 102 can ensure the mounting reliability of the housing 1 on the one hand, and can ensure sufficient contact between the main body 101 and the housing 1 on the other hand, thereby facilitating cooling. Chamber 72 is in sufficient heat exchange with the housing.

According to an embodiment of the present invention, the plurality of first fins 103 extend in the axial direction of the main body 101, and the plurality of first fins 103 are distributed in the circumferential direction of the main body 101, so that the circumference of the main body 101 is everywhere. The charging device 10 can be dissipated, so that a better cooling effect can be achieved.

The heat dissipating body 6 includes a plate body 61 and a plurality of second fins 62. The plurality of second fins 62 are disposed on the plate body 61. Each of the second fins 62 is formed with a cooling flow path therein, and the heat sink 100 is fixed at On the plate body 61, the cooling chamber 72 communicates with the cooling flow path of the second fin 62, and the casing 1 is mounted on the accommodating hole 102. The arrangement of the second heat sink 62 can further improve the heat dissipation effect of the housing 1, can effectively lower the temperature of the terminal 2, and can avoid the problem of overheating of the terminal 2. Moreover, the cooling flow passage in the second fin 62 communicates with the cooling chamber in the cooling member, so that the problem of the coolant in and out of the cooling chamber can be solved, so that the arrangement of the housing 1 can be simplified.

A common inlet 63 and a common outlet 64 are formed on the plate body 61. The cooling flow passages of the plurality of second fins 62 share a common inlet 63 and a common outlet 64. Thus, the plate body 61 has a simple structure, can effectively solve the problem of liquid inlet and discharge of the plurality of second heat sinks 62, and can better improve the heat dissipation effect of the casing 1.

According to an embodiment of the present invention, both ends of the cooling chamber 72 may be provided with a liquid inlet 101a and a liquid outlet 101b, the liquid inlet 101a is connected to at least one cooling channel, and the liquid outlet 101b is at least one cooling channel Connected. It should be noted that the number of the inlet ports 101a connected to the cooling channels is equal to or greater than one, and the number of the outlet ports 101b connected to the cooling channels is equal to or greater than one. In this way, the coolant flow in the plurality of cooling channels can be ensured, and the coolant in the plurality of cooling channels can be ensured to flow out from the liquid outlet 101b after the heat exchange is completed, so that the heat in the charging device 10 can be better brought to the same. The outside of the charging device 10.

As shown in FIG. 15, a vehicle according to an embodiment of the present disclosure may include the charging device 10 and the cooling system 20 of the above embodiment, and the cooling flow path, the cooling chamber 72, and the cooling system are in communication. Thereby, coolant can flow in the cooling flow passage, and the vehicle can control the opening of the cooling system when the vehicle is charged, so that the operating temperature of the charging connector can be effectively reduced.

As shown in FIG. 7, the cooling system includes a pump body 73, a heat exchanger 74 and a liquid storage tank 75, a pump body 73, a heat exchanger 74, a liquid storage tank 75, a cooling flow path of the heat dissipation body 6, and a cooling chamber 72. A loop is formed between them. Thereby, the pump body 73 can operate when the charging socket 65 and the charging gun 66 are docked, thereby pumping the cooling liquid into the cooling flow path and the cooling chamber 72, so that the cooling flow path cools the terminal 2. The cooling system further includes a filter 77 disposed between the pump body 73 and the heat exchanger 74, and the filter 77 can function as a filter.

As shown in FIG. 7, the vehicle may further include: a plug detecting component 30 and an electronic control module 40, wherein the plug detecting component 30 is configured to detect the plugged state of the charging gun 66 inserted into the charging socket 65, and the electronic control module 40 is plugged The detecting member 30 is electrically connected and controls the pump body 73 to operate after receiving the charging gun insertion completion signal. As shown, the vehicle may further include: a power distribution module 50 that can distribute power to the electronic control module 40, and the electronic control module 40 controls the operating state of the pump body 73. Thereby, the charging socket 65 can achieve the purpose of reasonable control, and the cooling medium flowing in the cooling flow path can be ensured during charging.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material, or feature is included in at least one embodiment or example of the present disclosure. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification and features of various embodiments or examples may be combined and combined without departing from the scope of the invention.

While the embodiments of the present disclosure have been shown and described above, it is understood that the foregoing embodiments are illustrative and are not to be construed as limiting the scope of the disclosure The embodiments are subject to variations, modifications, substitutions and variations.

Claims (17)

A charging device, comprising: case; A terminal, the terminal comprising: a first sealed chamber and a liquid metal, the first sealed chamber being fixed in the housing, the liquid metal being housed in the first sealed chamber. The charging device according to claim 1, wherein the first sealing chamber comprises: a sealing sleeve and a sealing plug, wherein the sealing sleeve is fixed in the casing, and one end of the sealing sleeve is provided with a hole, The sealing plug seals the hole, and the sealing plug is a conductive member. The charging device according to claim 2, wherein the terminal is connected to a charging harness, the sealing sleeve is a conductive member, and a core of the charging harness is connected to the sealing sleeve. A charging device according to claim 2 or 3, wherein said terminal is connected to a charging harness, said sealing sleeve is provided with a wiring hole through which said core of said charging harness passes said wiring hole Liquid metal contact. A charging device according to any one of claims 2 to 4, wherein at least a portion of the sealing plug projects into the hole to seal the hole. The charging device according to any one of claims 2 to 5, wherein an outer circumference of one end of the sealing sleeve is provided with an annular groove, and the sealing plug is sleeved at the annular groove to seal the hole. . The charging device according to any one of claims 2 to 6, further comprising: a charging harness, the charging harness comprising a core and an outer insulating layer, the sealing sleeve being an insulating material, the outer insulating The layer and the sealing sleeve are integrally formed, and the core is also in contact with the liquid metal. The charging device according to claim 7, wherein said core is made of a solid metal material. The charging device according to any one of claims 1 to 8, wherein the charging device is a charging socket or a charging gun. The charging device according to any one of claims 1 to 9, further comprising: a heat sink, the heat sink being sleeved on the housing. The charging device according to claim 10, wherein the heat sink comprises: a main body and a plurality of first fins, a cooling chamber is formed in the main body, and an inner circumference defines a receiving hole for accommodating the housing, and the plurality of the first fins are distributed in the main body On the outer surface. The charging device according to claim 11, wherein a plurality of said first fins extend in an axial direction of said body and are distributed in a circumferential direction of said body. The charging device according to claim 11 or 12, further comprising: a heat dissipating body, the heat dissipating body includes: a plate body and a plurality of cooling flow channels, the cooling flow channel is disposed on the plate body, the main body is mounted on the plate body, the cooling chamber and the cooling The flow path is connected. A charging apparatus for a vehicle according to claim 13, wherein said plate body is formed with a common inlet and a common outlet, and said plurality of said cooling passages share one of said common inlet and one of said common outlet. A vehicle characterized by comprising: A charging device according to any one of claims 1-14; a heat sink, the heat sink is sleeved on the housing, the heat sink includes: a main body and a plurality of first heat sinks, a cooling chamber is formed in the main body, and an inner circumference defines a receiving hole, and the receiving body a hole for accommodating the housing, a plurality of the first fins being distributed on an outer surface of the body; a heat dissipating body; the heat dissipating body includes: a plate body and a plurality of cooling flow channels, the cooling flow channel is disposed on the plate body, the main body is mounted on the plate body, the cooling chamber and the cooling Flow path connection; A cooling system, the cooling flow passage, the cooling chamber, and the cooling system are in communication. The vehicle according to claim 15, wherein the cooling system comprises: a pump body, a heat exchanger, a liquid storage tank, the pump body, the heat exchanger, the liquid storage tank, and the heat dissipation A circulation loop is formed between the cooling flow passage of the main body and the cooling chamber. The vehicle according to claim 16, further comprising: a plug detecting member and an electronic control module, wherein the plug detecting member is configured to detect a plugging state of the charging gun inserted into the charging socket, the electric The control module is electrically connected to the plug detecting member and controls the pump body to operate after receiving the charging gun insertion completion signal.

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