TW201916533A - Charging device and vehicle - Google Patents

Abstract

The invention discloses a charging device and a vehicle. The charging device comprises: a housing; a connecting terminal, the connecting terminal comprises: a first sealing chamber and a liquid metal, wherein the first sealing chamber is fixed in the housing, the liquid metal is contained within the first sealed chamber. Thereby, by disposing the liquid metal in the sealed chamber, it is possible to withstand a large current and, in addition, it does not generate excessive resistance heat, and it can effectively dissipate the heat of the charging connector into the air and the cooling liquid, thereby being effective The problem of burning the terminal is solved, and the charging safety of the vehicle can be improved.

Description

Charging device and vehicle

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

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 terminals at the charging socket are seriously heated, which causes the terminals to be burned or the charging problem to fail, so the 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 device, which can effectively solve the burning problem of the charging terminal.

The invention further proposes a vehicle.

The charging device according to the present invention includes: a housing; a connection terminal including a first sealed chamber and a liquid metal, the first sealed chamber is fixed in the housing, and the liquid metal is contained in the first sealed chamber.

According to the charging device of the present invention, by arranging liquid metal in a sealed chamber, it can withstand large currents, and it does not generate excessive resistance heat, and it can effectively dissipate the heat of the charging connector to the air and cooling liquid. Therefore, the problem of terminal terminal burnout can be effectively solved, and the use and safety of the vehicle can be improved.

In some examples of the present invention, the first sealing chamber includes a sealing sleeve and a sealing plug, the sealing sleeve is fixed in the casing, one end of the sealing sleeve is provided with a hole, the sealing sleeve is fixed in the casing, and the seal A plug seals the hole, and the sealing plug is a conductive member.

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

In some examples of the present invention, the wiring terminal is connected with a charging wire harness, the sealing sleeve is provided with a wiring hole, and a core of the charging wire harness passes through the wiring hole to contact the liquid metal.

In some examples of the invention, at least a portion of the sealing plug projects into the hole to seal the hole.

In some examples of the present invention, an annular groove is provided on an outer periphery of one end of the sealing sleeve, and the sealing plug sleeve is provided at the annular groove to seal the hole.

In some examples of the present invention, 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, the outer insulating layer and the sealing sleeve are integrally formed, and the wire The core is also in contact with the liquid metal.

In some examples of the present invention, the wire core is made of solid metal.

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

In some examples of the present invention, the charging device further includes a radiator, and the radiator is sleeved on the casing.

In some examples of the present invention, 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 periphery defines a receiving hole, the receiving hole is used to receive the housing, and the first The heat sink is distributed on the outer surface of the body.

In some examples of the present invention, the plurality of first fins extend in the axial direction of the main body and are distributed in the circumferential direction of the main body.

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

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

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 charging device further includes: a plug-in detection member and an electric control module, the plug-in detection member is used to detect a plugged state of the charging gun inserted into the charging socket, 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.

The charging device 10 according to an embodiment of the present invention will be described in detail below with reference to FIGS. 1 to 10.

The charging device 10 includes: a housing 1 and a connection terminal 2, the connection terminal 2 is fixed in the housing 1, so that the housing 1 can protect and fix the connection terminal 2. Among them, the connection terminal 2 may be plural, plural The terminal blocks 2 are arranged in pairs. For example, as shown in FIG. 1, the terminal blocks 2 may be two, and the terminal blocks 2 may include a positive terminal and a negative terminal for transmitting current. This terminal 2 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.

Among them, the connection terminal 2 is electrically connected to the charging harness 3, and there are various arrangements of the connection terminal 2, which are described in detail below.

According to a first alternative embodiment of the present invention, as shown in FIGS. 1 to 3, the connection terminal 2 may include a first sealed chamber 21 and a liquid metal 22, and the first sealed chamber 21 is fixed in the housing 1. The liquid metal 22 is contained in the first sealed chamber 21.

Among them, the liquid metal 22 has super thermal conductivity and super conductivity. In the high-power charging process of the vehicle, the liquid metal 22 is arranged in the first sealed chamber 21 so that the connection terminal 2 can withstand large currents during operation. When the terminal 2 is in operation, too much resistance heat is not generated. In addition, part of the heat generated by the terminal 2 in the working process will be diluted by the liquid metal 22 and the other part will be radiated to the air. This can greatly reduce the heat generated by the terminal 2 and can effectively solve it. The problem of terminal 2 terminal burnout can further improve the use and safety of the vehicle.

Alternatively, as shown in FIG. 1 to FIG. 3, the charging device 10 is set as the charging socket 65, or the charging device 10 may be the charging gun 66, that is, the charging device 10 thus configured may be applicable to the charging socket 65. It can also be applied to the charging gun 66. As shown in FIG. 1, in the vehicle charging procedure, after the charging socket 65 and the charging gun 66 are docked, the charging socket 65 and the terminal 2 at both ends of the charging gun 66 contact each other, so that the purpose of charging the vehicle can be achieved.

Optionally, as shown in FIGS. 1 to 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 provided at an end of the sealing sleeve 211. The end of the sealing sleeve 211 is only partially opened. The hole may also be a completely open 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 housing 1, and the sealing plug 212 has a sealing effect. The sealing plug 212 seals the hole in the sealing sleeve 211. In this way, the sealing plug 212 seals the hole, which can prevent the liquid metal 22 in the first sealing chamber 21 from leaking out. . At the same time, the surface of the sealing plug 212 is smooth, and when the charging socket 65 is in 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 better fit together.

Specifically, an annular groove is provided on the outer periphery of one end of the sealing sleeve 211, and the sealing plug 212 is sleeved at the annular groove to seal the hole on the sealing sleeve 211, so that the arrangement can better connect the annular groove and the sealing plug 212 together. The structure of the annular groove and the sealing plug 212 can be made closer, so that the liquid metal 22 can be further prevented from flowing out of the hole.

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

Optionally, the sealing plug 212 is provided as a conductive member, which can ensure that electricity is directed from the charging gun 66 to the charging socket 65. Therefore, 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 current can be transmitted.

Further, at least a part of the sealing plug 212 extends into the hole to seal the hole of the sealing sleeve 211. It should be explained that the sealing plug 212 may be a partially extending hole or a full extending hole. It is better, so that it can ensure that the charging device 10 has a higher safety during operation.

Further, as shown in FIGS. 1 to 3, the charging terminal 3 is connected to the connection terminal 2, 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. The charging harness 3 is electrically conductive. Electricity can be transmitted between the sealing sleeve 211 and the charging harness 3. During the charging process of the vehicle, electricity can be guided to the vehicle through the charging harness 3, thereby realizing the work requirement of continuously supplying power to the vehicle.

After the connection terminal 2 is changed, the connection method between the connection terminal 2 and the charging harness 3 can be changed accordingly, which will be described in detail below.

Alternatively, as shown in FIG. 1 to FIG. 3, the wiring terminal 2 is connected to a charging harness 3, the sealing sleeve 211 is provided with a wiring hole, and the charging harness 3 is in contact with the liquid metal 22 through the wiring hole at the wiring hole. The outer periphery of the charging harness 3 is surrounded by a sealing ring. During the charging process, electricity can be transmitted from the charging harness 3 on the charging gun 66 side to the liquid metal 22 in the terminal 2 on the charging gun 66 side, and then the terminal 2 on the charging gun 66 side transmits electricity to the charging socket 65 side. The terminal 2 and then the terminal 2 on the 65 side of the charging socket transmit electricity to the charging harness 3 on the 65 side of the charging socket, and finally complete the entire charging circuit, so that the charging work can be performed normally.

Alternatively, as shown in FIGS. 1 to 3, the charging device 10 may further include: a charging harness 3, the charging harness 3 includes a core 31 and an outer insulating layer 32, and the outer insulating layer 32 and the sealing sleeve 211 are One-piece molded parts can improve the structural uniformity of the outer insulating layer 32 and the sealing sleeve 211, thereby preventing cracks from occurring between the outer insulating layer 32 and the sealing sleeve 211, and the core 31 is also in contact with the liquid metal 22 during charging In the procedure, in view of the fact that liquid metal generates less heat, and the outer insulating layer 32 can serve as a seal. Further, the wire core 31 is made of a solid metal material, so that the wire core 31 has a conductive function, so that it can ensure that the charging device 10 completes the work requirements.

As shown in FIGS. 6 to 10, according to a second alternative embodiment of the present invention, the charging device 10 includes: a housing 1, a terminal 2, and a charging harness 3. The terminal 2 includes: a first sealed chamber 21 and The liquid metal 22 is contained in the first sealed chamber 21, and the charging harness 3 includes a second sealed chamber 33 and a liquid metal 22, and the liquid metal 22 is contained in the second sealed chamber 33. The first sealed chamber 21 and the first sealed chamber 21 The two sealed chambers 33 pass through. 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 heat generation of the terminal 2 and the charging harness 3, so that the charging device 10 can be applied to a high-power charging project.

There are various arrangements of the first sealed chamber 21 and the second sealed chamber 33. For example, the first sealed chamber 21 is fixed in the casing 1, and the second sealed chamber 33 is at least partially fixed outside the casing 1. In other words, The terminal 2 is disposed in the casing 1, and the charging harness 3 is disposed outside the casing 1; for another example, the second sealed chamber 33 is fixed outside the casing 1, and the first sealed chamber 21 is at least partially fixed in the casing 1, In other words, a part of the connection terminal 2 is provided in the case 1.

The above two types of arrangement of the terminal 2 and the charging harness 3 can generate less heat.

Among them, the liquid metal 22 has super thermal conductivity and super conductivity. In the high-power charging process of the vehicle, the liquid metal 22 is set in the first sealed chamber 21 and the second sealed chamber 33, so that the terminal 2 and the charging harness 3 are in the It can withstand large currents during operation, and does not generate excessive resistance heat when the terminal 2 and the charging harness 3 operate.

In addition, in the working procedure of the terminal 2, the heat generated by the terminal 2 can be quickly transferred to the charging harness 3 communicating with the terminal 2, so that the liquid metal 22 in the terminal 2 and the liquid metal in the charging harness 3 are convenient. 22 for heat exchange, at the same time, it can increase the heat dissipation area and heat dissipation speed. Therefore, the arrangement can greatly reduce the heat generation of the terminal 2, thereby effectively solving the burning problem of the terminal 2 and further improving the use and safety of the vehicle.

Optionally, as shown in FIGS. 6 to 9, the first sealing chamber 21 may include a sealing sleeve 211 and a sealing plug 212. A hole of the sealing sleeve 211 away from the charging harness 3 is provided, and the hole may be provided in the sealing sleeve. On the end of 211, and only part of the end of the sealing sleeve 211 is opened, the hole may also be a hole where one end of the sealing sleeve 211 is completely open, that is, one end of the sealing sleeve 211 may be an open end. The sealing plug 212 seals the hole of the sealing sleeve 211. Among them, the sealing plug 212 has a sealing effect, and the sealing plug 212 seals the hole. In this way, the sealing plug 212 seals the hole, which can prevent the liquid metal 22 in the first sealing chamber 21 from being leaked out. At the same time, the surface of the sealing plug 212 is smooth, and when the charging socket 65 is in 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 better fit together.

In addition, the sealing sleeve 211 and / or the second sealing chamber 33 may be an insulating member, and the sealing plug 212 may be a conductive member. That is, at least one of the sealing sleeve 211 and the second sealing chamber 33 may be an insulation member, which can improve the use safety of the connection 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 electricity to the outside, and the sealing plug 212 can facilitate the effective transmission of current when the charging socket 65 and the charging gun 66 are docked.

Optionally, the sealing plug 212 is provided as a conductive member, which can ensure that electricity is directed from the charging gun 66 to the charging socket 65. Therefore, 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 current can be transmitted.

Further, at least a part of the sealing plug 212 extends into the hole to seal the hole of the sealing sleeve 211. It should be explained that the sealing plug 212 may be a partially extending hole or a full extending hole. Even better, it can further ensure that the liquid metal 22 does not flow out of the hole, and further ensure that the charging device 10 has high safety during operation.

Specifically, an annular groove is provided on the outer periphery of one end of the sealing sleeve 211, and the sealing plug 212 is sleeved at the annular groove to seal the hole. This arrangement can better connect the annular groove and the sealing plug 212 together, and can make the annular groove The groove and the sealing plug 212 are more tightly structured, so that the liquid metal 22 can be further prevented from flowing out of the hole.

As shown in FIGS. 11 to 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, and the first sealed chamber 21 and the first A liquid storage tank 70 can communicate with each other. The first pump body 60 is disposed between the first sealed 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 works. The first pump body 60 can pump the liquid metal stored in the first liquid storage tank 70 into the first sealed chamber 21 and the second sealed chamber 33, so that the charging function of the charging device 10 can be realized. At this time, the first pump body 60 can pump the liquid metal in the first sealed chamber 21 and the second sealed chamber 33 back to the first liquid storage tank 70, so that the liquid metal can be controlled to flow into and out of the first sealed chamber 21 and The second sealed chamber 33 can increase the service life of the charging device 10. Accordingly, 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 at the vehicle end, thereby reducing the weight of the vehicle. A first screening program 80 is provided between the first pump body 60 and the first liquid storage tank 70, and the first screening program 80 can play a filtering role.

As shown in FIGS. 11 to 13, the charging device 10 may further include a control valve 90 provided between the first sealed chamber 21 and the pump body 73. The control valve 90 has a first The role of a sealed chamber 21 and a second sealed chamber 33. When the charging device 10 is operating, the control valve 90 is opened, and then the pump body 73 pumps liquid metal into the first sealed chamber 21 and the second sealed chamber 33. When the device 10 is not working, 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 can make the operation simple and convenient, thereby improving customer satisfaction. It should be noted that the control valve 90 may also be provided at an outlet of the first liquid storage tank 70.

As shown in FIG. 6 to FIG. 10, the charging device 10 is set as the charging socket 65, or the charging device 10 can be the charging gun 66, that is, the charging device 10 provided in this way can be applied to the charging socket 65 or can be applied.于 CHARGE GUN 66. As shown in Figures 6 and 8, during the vehicle charging procedure, after the charging socket 65 is connected to the charging gun 66, the charging socket 65 and the terminal 2 at both ends of the charging gun 66 contact each other, so that the purpose of charging the vehicle can be achieved. .

In addition, 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 can be set as a solid terminal. It should be explained that if the terminal 2 of the charging socket 65 is set If the liquid metal terminal is provided, the terminal 2 of the charging gun 66 is a solid terminal. If the terminal 2 of the charging gun 66 is a liquid metal terminal, the terminal 2 of the charging socket 65 is a solid terminal. Of course, the terminal 2 of the charging socket 65 and the charging gun 66 can also be set as a liquid metal terminal at the same time.

As shown in FIGS. 11 to 13, according to a third alternative embodiment of the present invention, the charging device 10 includes: a housing 1, a connection terminal 2, a first liquid storage tank 70 and a first pump body 60, the connection terminal 2 includes: a first sealed chamber 21, the first sealed chamber 21 is fixed in the housing 1, the first sealed chamber 21 is used for containing the liquid metal 22, the first liquid storage tank 70 stores 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, wherein 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, and The liquid metal 22 in the first sealed chamber 21 can be pumped back into the first liquid storage tank 70.

Among them, the first sealed chamber 21 of the terminal 2 of the charging socket 65 and the charging gun 66 is filled with liquid metal 22. When the vehicle is being charged, the charging socket 65 and the charging gun 66 are docked, and the charging gun 66 side It is necessary to manually pick up and dock with the charging socket 65. Therefore, a first pump body 60 is provided to control the liquid metal 22 to flow into and out of the first sealed chamber 21, so that the liquid metal 22 on the side of the charging gun 66 can be pumped to the charging time. In the first sealed chamber 21, and when it is detected that the gun needs to be pulled out, 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, human intervention can be avoided. Improper operation causes the liquid metal 22 to leak. Among them, the connection terminal of the charging socket 65 and the connection terminal of the charging gun 66 are not through.

Optionally, 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 provided in the sealing sleeve. On the end of 211, and only part of the end of the sealing sleeve 211 is opened, the hole may also be a hole where one end of the sealing sleeve 211 is completely open, that is, one end of the sealing sleeve 211 may be an open end. The sealing sleeve 211 is fixed in the housing 1, and the sealing plug 212 has a sealing effect. The sealing plug 212 seals the hole in the sealing sleeve 211. In this way, the sealing plug 212 seals the hole, which can prevent the liquid metal 22 in the first sealing chamber 21 from leaking out. . At the same time, the surface of the sealing plug 212 is smooth, and when the charging socket 65 is in 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 better fit together.

Specifically, an annular groove is provided on the outer periphery of one end of the sealing sleeve 211, and the sealing plug 212 is sleeved at the annular groove to seal the hole. This arrangement can better connect the annular groove and the sealing plug 212 together, and can make the annular groove The groove and the sealing plug 212 are more tightly structured, so that the liquid metal 22 can be further prevented from flowing out of the hole.

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

Optionally, the sealing plug 212 is provided as a conductive member, which can ensure that electricity is directed from the charging gun 66 to the charging socket 65. Therefore, 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 current can be transmitted.

Further, at least a part of the sealing plug 212 extends into the hole to seal the hole. It needs to be explained that the sealing plug 212 may be a partially extending hole or a full extending hole. This arrangement can seal the hole better, so that It can be ensured that the charging device 10 has high safety during operation.

Further, as shown in FIG. 7, FIG. 9, and FIG. 10, the charging terminal 3 is connected to the connection terminal 2, the sealing sleeve 211 is a conductive member, and the charging terminal 3 is connected to the conductive member. It can also be understood as the charging terminal 3 It is connected to the sealing sleeve 211, and the charging harness 3 has a conductive effect. Electricity can be transmitted between the sealing sleeve 211 and the charging harness 3. During the charging process of the vehicle, electricity can be guided to the vehicle through the charging harness 3, so that the vehicle can be continuously powered Job needs.

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

Alternatively, as shown in FIG. 7, FIG. 9, and FIG. 10, the charging device 10 may further include: a charging harness 3, the charging harness 3 includes a core 31 and an outer insulating layer 32, and the outer insulating layer 32 and The sealing sleeve 211 is an integral molded piece, which can improve the structural uniformity of the outer insulating layer 32 and the sealing sleeve 211, thereby preventing cracks from occurring between the outer insulating layer 32 and the sealing sleeve 211, and the core 31 and the liquid metal 22 Contact, in the charging process, in view of the less heat generated by the liquid metal and the state temperature, the heat generated by the core 31 can be transferred to the liquid metal, and the outer insulating layer can play a sealing role. Further, the wire core 31 is made of a solid metal material, so that the wire core 31 has a conductive function, so that it can ensure that the charging device 10 completes the work requirements.

As shown in FIGS. 11 to 13, the charging device 10 may further include a control valve 90 provided between the sealed chamber and the pump body. The control valve 90 has a function of controlling the flow of liquid metal into and out of the sealed chamber. When the charging device 10 is working, the control valve 90 is opened, and then the pump body pumps liquid metal into the sealed chamber. When the charging device 10 is not working, the control valve 90 is closed, and then the pump body 73 pumps the liquid metal back to the first storage. This arrangement in the liquid tank 70 can make the operation simple and convenient, thereby improving customer satisfaction.

Based on the three different embodiments described above, the charging device 10 may further include other components, such as a heat sink 100 and a heat dissipation body 101. The heat sink 100 is sleeved on the casing 1. The heat sink 100 can be installed on the heat dissipation body 101. The heat sink 100 has a heat dissipation function and can dissipate the heat generated by the charging device 10 during the working process, thereby ensuring that the temperature does not accumulate. The charging device 10 can further prevent the charging device 10 from being burned due to excessive temperature.

The heat radiating 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 received in the receiving hole 102. It can also be understood that the housing 1 belongs to a part of the charging device 10, and the housing 1 can be installed on the radiator 100. The heat sink 100 can be mounted on the heat dissipation body 6, that is, the components of the heat sink 100 can play the role of dissipating heat for the case 1, and can also play the role of installing and fixing the case 1.

The following first describes the heat sink 100.

As shown in FIG. 14, the heat sink 100 may include a main body 101 and a plurality of first radiating fins 103. A cooling chamber 72 is formed in the main body 101, and an inner periphery of the main body 101 defines a receiving hole 102 for receiving a shell. body. In other words, the housing can be installed in the accommodation hole 102. The installation of the accommodation hole 102 can ensure the installation reliability of the housing 1 on the one hand, and ensure that the main body 101 and the housing 1 are in full contact on the other hand, which can facilitate cooling. The chamber 72 and the casing are sufficiently heat-exchanged.

Further, the plurality of first heat radiating fins 103 extend along the axial direction of the main body 101, and the plurality of first heat radiating fins 103 are distributed in the circumferential direction of the main body 101, so that the charging device 10 can be radiated around the main body 101 in the circumferential direction. , Which can achieve better cooling effect.

The heat-dissipating body 6 includes a plate body 61 and a plurality of second heat-radiating fins 62. The plurality of second heat-radiating fins 62 are disposed on the plate body 61. Each second heat-radiating fin 62 has a cooling channel formed therein, and the heat sink 100 is fixed to the plate On 61, the cooling chamber 72 communicates with the cooling flow path of the second fin 62, and the casing 1 is mounted on the receiving hole 102. The arrangement of the second heat sink 62 can further improve the heat dissipation effect of the casing 1, can effectively reduce the temperature of the connection terminal 2, and can avoid the problem of overheating of the connection terminal 2. In addition, the cooling flow passage in the second heat sink 62 is in communication with the cooling cavity in the cooling member, so that the problem of the cooling liquid in and out of the cooling cavity can be solved, and the arrangement of the casing 1 can be simplified.

The plate body 61 is formed with a common inlet 63 and a common outlet 64, and the cooling channels of the plurality of second fins 62 share a common inlet 63 and a common outlet 64. In this way, the plate body 61 has a simple structure, which can effectively solve the problems of liquid inflow and liquid out of the plurality of second radiating fins 62, and can further improve the heat radiation effect of the casing 1.

Optionally, 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 flow channel, and the liquid outlet 101b is connected to at least one cooling flow channel. It should be explained that the number of the liquid inlet 101a connected to the cooling channel is one or more, and the number of the liquid outlet 101b connected to the cooling channel is one or more. 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 of the liquid outlet 101b after the heat exchange is completed, so that the heat in the charging device 10 can be better. Taken to the outside of the charging device 10.

As shown in the figure, a vehicle according to an embodiment of the present invention may include the charging device 10 and the cooling system 20 of the above embodiment, and the cooling runner, the cooling chamber 72 and the cooling system 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 when the vehicle is charged, so that the working temperature of the charging connection can be effectively reduced.

Specifically, 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 passage of the heat dissipation body 6, and A loop circuit is formed between the cooling chambers 72. Thus, the pump body 73 can work when the charging socket 65 and the charging gun 66 are docked, thereby pumping the cooling liquid into the cooling flow passage and the cooling chamber 72 so that the cooling flow passage cools the connection terminal 2. The cooling system also includes: a screening program 77, which is disposed between the pump body 73 and the heat exchanger 74, and the screening program 77 can play a filtering role.

Specifically, as shown in FIG. 7, the vehicle may further include: a plug-in detecting member 30 and an electric control module 40. The plug-in detecting member 30 is configured to detect a plugged state of the charging gun 66 inserted into the charging socket 65. The module 40 is electrically connected to the plug detection member 30 and controls the pump body 73 to work after receiving the charging gun plug-in completion signal. Wherein, as shown in the figure, the vehicle may further include: a power distribution module 50, which can distribute power to the electric control module 40, and the electric control module 40 controls the working state of the pump body 73. Therefore, the charging socket 65 can achieve the purpose of reasonable control, and can ensure that a cooling medium flows 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 , Structures, materials, or features are 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

2‧‧‧Terminals

3‧‧‧Charging harness

6‧‧‧Thermal body

10‧‧‧ Charging device

20‧‧‧cooling system

21‧‧‧The first sealed room

22‧‧‧ Liquid Metal

30‧‧‧Plug detection

31‧‧‧core

32‧‧‧ Outer insulation

33‧‧‧Second Sealed Room

40‧‧‧electric control module

50‧‧‧ Distribution Module

60‧‧‧The first pump body

61‧‧‧Board

62‧‧‧Second heat sink

63‧‧‧shared imports

64‧‧‧shared exit

65‧‧‧ charging socket

66‧‧‧ Rechargeable gun

70‧‧‧The first liquid storage tank

72‧‧‧ cooling chamber

73‧‧‧Pump

74‧‧‧heat exchanger

75‧‧‧ liquid storage tank

77‧‧‧ screening program

80‧‧‧The first screening program

90‧‧‧Control valve

100‧‧‧ Radiator

101‧‧‧ main body

101a‧‧‧Inlet

101b‧‧‧outlet

102‧‧‧Mounting holes

103‧‧‧The first heat sink

211‧‧‧Sealing sleeve

212‧‧‧Sealing plug

Figures 1, 6, 8, and 10 are cross-sectional views of the assembly of a charging socket and a charging gun according to an embodiment of the present invention; Figures 2 and 7 are sectional views of the charging socket; Figures 3 and 9 Figure 4 is a cross-sectional view of a charging gun; Figure 4 is a schematic diagram of a charging device; Figure 5 is a schematic diagram of the docking of a charging socket with a charging gun; Figures 11 to 13 are schematic views of the docking of charging devices in three different embodiments; The figure is a schematic diagram of a heat sink.

Claims (17)

A charging device is characterized by comprising: a housing; a connecting terminal, the connecting terminal comprising: a first sealed chamber and a liquid metal, the first sealed chamber is fixed in the housing, and the liquid metal is contained in the housing; First sealed room. The charging device according to item 1 of the scope of patent application, wherein the first sealing chamber includes a sealing sleeve and a sealing plug, the sealing sleeve is fixed in the housing, a hole is provided at one end of the sealing sleeve, and the seal The sleeve is fixed in the casing, the sealing plug seals the hole, and the sealing plug is a conductive member. The charging device according to item 2 of the scope of patent application, wherein the connection terminal is connected with a charging harness, the sealing sleeve is a conductive member, and a core of the charging harness is connected to the sealing sleeve. The charging device according to item 2 of the scope of patent application, wherein the connection terminal is connected with a charging wire harness, the sealing sleeve is provided with a wiring hole, and the core of the charging wire harness passes through the wiring hole to contact the liquid metal. The charging device according to item 2 of the patent application scope, wherein at least a part of the sealing plug extends into the hole to seal the hole. The charging device according to item 2 of the scope of patent application, wherein an annular groove is provided on an outer periphery of one end of the sealing sleeve, and the sealing plug sleeve is provided at the annular groove to seal the hole. The charging device according to item 2 of the scope of patent application, further comprising: a charging harness, the charging harness includes a wire core and an outer insulating layer, the sealing sleeve is an insulating material, and the outer insulating layer is integrally formed with the sealing sleeve. The wire core is also in contact with the liquid metal. The charging device according to item 7 of the scope of patent application, wherein the core is made of solid metal. The charging device according to item 1 of the scope of patent application, wherein the charging device is a charging socket or a charging gun. The charging device according to any one of claims 1 to 9 of the scope of patent application, further comprising: a radiator, the radiator is sleeved on the casing. The charging device according to item 10 of the patent application scope, wherein 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 accommodating hole is defined on the inner periphery, and the accommodating hole is used for The housing is received, and the plurality of first heat sinks are distributed on the outer surface of the main body. The charging device according to item 11 of the scope of patent application, wherein the plurality of first heat sinks extend along an axial direction of the main body and are distributed in a circumferential direction of the main body. The charging device according to item 11 of the scope of patent application, further comprising: a heat dissipating body, the heat dissipating body comprising: a plate body and a plurality of cooling runners, the cooling runners are arranged on the plate body, and the body is installed on the plate body; On the plate body, the cooling chamber is in communication with the cooling flow channel. The charging device for a vehicle according to item 13 of the scope of patent application, wherein the plate body is formed with a common inlet and a common outlet, and the cooling runners share a common inlet and a common outlet. A vehicle, comprising: the charging device according to any one of claims 1 to 14 of a patent application scope; a cooling system, the cooling flow channel, the cooling chamber and the cooling system are in communication. The vehicle according to item 15 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 16 of the scope of patent application, further comprising: a plug-in detection member and an electric control module, the plug-in detection member is used to detect the plug-in state of the charging gun inserted into the charging socket, and the electric control The module is electrically connected to the plug detection member and controls the pump body to work after receiving the charging gun plug-in completion signal.