CN110014951B

CN110014951B - Charging device and vehicle

Info

Publication number: CN110014951B
Application number: CN201710938991.1A
Authority: CN
Inventors: 吴兴国; 王洪军; 刘伟; 张恒恒; 徐欢
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2017-09-30
Filing date: 2017-09-30
Publication date: 2021-09-03
Anticipated expiration: 2037-09-30
Also published as: WO2019062971A1; TWI686033B; TW201916533A; CN110014951A

Abstract

The invention discloses a charging device and a vehicle, the charging device includes: a housing; a terminal, the terminal comprising: the first seal chamber is fixed in the shell, and the liquid metal is contained in the first seal chamber. From this, through setting up liquid metal in the sealed chamber, can tolerate the heavy current, moreover, can not produce too much resistance heat to, can be effectively with the heat dissipation of the connecting piece that charges to air and coolant liquid in, thereby can solve binding post scaling loss problem effectively, and then can improve the charging safety nature of vehicle.

Description

Charging device and vehicle

Technical Field

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

Background

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

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

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

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention provides a charging device which can effectively solve the problem of burning of a charging terminal.

The invention further provides a vehicle.

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

According to the charging device, the liquid metal is arranged in the sealed chamber, so that the charging device can bear heavy current, excessive resistance heat is not generated, the heat of the charging connecting piece can be effectively radiated into air and cooling liquid, the problem of burning loss of the connecting terminal can be effectively solved, and the use and safety of a vehicle can be improved.

In some examples of the invention, the first sealed chamber comprises: the sealing sleeve is fixed in the shell, one end of the sealing sleeve is provided with a hole, the sealing sleeve is fixed in the shell, the sealing plug seals the hole, and the sealing plug is a conductive piece.

In some examples of the present invention, the connection 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.

In some examples of the present invention, the connection terminal is connected with a charging harness, and the seal cover is provided with a wire connection hole through which a wire core of the charging harness is passed to be in contact with the liquid metal.

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

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

In some examples of the invention, the charging device further comprises: the electric charging harness comprises a wire core and an outer packaging insulating layer, the sealing sleeve is made of insulating materials, the outer packaging insulating layer is in integral molding with the sealing sleeve, and the wire core is in contact with the liquid metal.

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

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

In some examples of the invention, the charging device further comprises: the radiator is sleeved on the shell.

In some examples of the invention, the heat sink comprises: the cooling structure comprises a main body and a plurality of first cooling fins, wherein a cooling chamber is formed in the main body, a containing hole is limited by the inner periphery of the main body and used for containing the shell, and the first cooling fins are distributed on the outer surface of the main body.

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

In some examples of the invention, the charging device further comprises: a heat dissipating body, the heat dissipating body comprising: the cooling flow channel is arranged on the plate body, the main body is installed on the plate body, and the cooling chamber is communicated with the cooling flow channel.

In some examples of the present invention, a common inlet and a common outlet are formed in the plate body, and one of the common inlet and one of the common outlet are shared by a plurality of the cooling channels.

The vehicle according to the present invention includes: the charging device; and the cooling runner, the cooling chamber and the cooling system are communicated.

In some examples of the invention, the cooling system comprises: the pump body, the heat exchanger, the liquid storage pot, the cooling runner of heat dissipation main part with form circulation circuit between the cooling chamber.

In some examples of the invention, the charging device further comprises: the electric charging socket comprises an insertion detection piece and an electric control module, wherein the insertion detection piece is used for detecting the insertion state of a charging gun in the charging socket, and the electric control module is electrically connected with the insertion detection piece and controls the pump body to work after receiving a charging gun insertion completion signal.

Drawings

Fig. 1, 6, 8 and 10 are sectional views of an assembly of a charging socket and a charging gun according to an embodiment of the present invention;

fig. 2 and 7 are sectional views of the charging socket;

fig. 3 and 9 are sectional views of the charging gun;

FIG. 4 is a schematic view of a charging device;

FIG. 5 is a schematic view of a charging receptacle interfacing with a charging gun;

11-13 are schematic illustrations of three different embodiments of docking of the charging device;

fig. 14 is a schematic view of a heat sink.

Reference numerals:

a charging device 10;

a housing 1; a wiring terminal 2; a first sealed chamber 21; a sealing boot 211; a sealing plug 212; a liquid metal 22;

a charging harness 3; a wire core 31; an outer insulating layer 32; a second sealed chamber 33;

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

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

an insertion detection piece 30; an electronic control module 40; a power distribution module 50;

a first pump body 60; a first reservoir 70; a first filter 80; a control valve 90;

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

Detailed Description

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

A charging device 10 according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 10.

The charging device 10 includes: casing 1 and binding post 2, binding post 2 fix in casing 1, and casing 1 can play protection and fixed binding post 2's effect like this, and wherein, binding post 2 can be a plurality ofly, and a plurality of binding post 2 set up in pairs, for example, as shown in fig. 1, binding post 2 can be two, and binding post 2 can include: a positive connecting terminal and a negative connecting terminal for transmitting current. The terminal 2 is suitable for a dc charging port. Similarly, the charging terminals of the alternating-current charging interface are also paired and may be multiple, and in principle, the application can still be implemented.

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

According to a first alternative embodiment of the invention, as shown in fig. 1-3, the connection terminal 2 may comprise: a first sealed chamber 21 and a liquid metal 22, the first sealed chamber 21 being fixed in the housing 1, the liquid metal 22 being contained in the first sealed chamber 21.

The liquid metal 22 has super heat conductivity and super electric conductivity, and the vehicle can bear large current during high-power charging by arranging the liquid metal 22 in the first sealed chamber 21, and the connecting terminal 2 does not generate excessive resistance heat during operation of the connecting terminal 2. In addition, the heat generated by the wiring terminal 2 in the working process is partially diluted by the liquid metal 22, and the other part is diffused into the air, so that the heat productivity of the wiring terminal 2 is greatly reduced, the problem of burning of the terminal of the wiring terminal 2 can be effectively solved, and the use and safety of a vehicle can be improved.

Alternatively, as shown in fig. 1 to 3, the charging device 10 may be 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 to the charging socket 65 as well as to the charging gun 66. As shown in fig. 1, in the vehicle charging process, after the charging socket 65 is butted with the charging gun 66, the charging socket 65 and the terminals 2 at two ends of the charging gun 66 are contacted with each other, so that the purpose of charging the vehicle can be achieved.

Alternatively, as shown in fig. 1 to 3, the first sealed chamber 21 may include: the sealing sleeve 211 and the sealing plug 212, one end of the sealing sleeve 211 is provided with a hole, which may be disposed on the end portion of the sealing sleeve 211 and only opens the end portion of the sealing sleeve 211, or may be a hole in which one end of the sealing sleeve 211 is completely opened, that is, one end of the sealing sleeve 211 may be an open end. The sealing sleeve 211 is fixed in the housing 1, the sealing plug 212 has a sealing function, and the sealing plug 212 seals the hole on 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 being omitted. Meanwhile, the surface of the sealing plug 212 is smooth, so that when the charging socket 65 contacts with the connecting terminals 2 at the two ends of the charging gun 66, the charging socket 65 can be better attached to the connecting terminals 2 at the two ends of the charging gun 66.

Specifically, the 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 on the sealing sleeve 211, so that the annular groove and the sealing plug 212 can be better connected together, the annular groove and the sealing plug 212 can be more compact in structure, and the liquid metal 22 can be further prevented from flowing out from the hole.

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

Alternatively, the sealing plug 212 is provided as a conductive member, which ensures that electricity is conducted from the charging gun 66 to the charging socket 65. Therefore, when the charging socket 65 is butted with the charging gun 66, the connecting terminal 2 of the charging socket 65 and the connecting terminal 2 of the charging gun 66 can be effectively butted and transmit current.

Further, 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 explained that the sealing plug 212 may be a portion of the hole or may extend into the hole entirely, which is better configured to seal the hole, so as to ensure higher safety of the charging device 10 during operation.

Further, as shown in fig. 1-3, the connection terminal 2 is connected with a charging harness 3, the sealing sleeve 211 is a conductive component, the charging harness 3 is connected with the conductive component, it can also be understood that the charging harness 3 is connected with the sealing sleeve 211, and the charging harness 3 has a conductive function, electricity can be transmitted between the sealing sleeve 211 and the charging harness 3, and the electricity can be guided to the vehicle through the charging harness 3 in the charging process of the vehicle, so that the work requirement of continuously supplying power to the vehicle can be met.

After the terminal 2 is modified, the connection of the terminal 2 to the charging cable harness 3 can be modified accordingly, as will be described in detail below.

Alternatively, as shown in fig. 1 to 3, the connection terminal 2 is connected with a charging harness 3, and the sealing sleeve 211 is provided with a wiring hole through which the charging harness 3 is passed to be in contact with the liquid metal 22, where a sealing ring is surrounded on the outer circumference of the charging harness 3. In the charging process, electricity can be transmitted to the liquid metal 22 in the connecting terminal 2 on the charging gun 66 side by the charging wire harness 3 on the charging gun 66 side, then the connecting terminal 2 on the charging gun 66 side transmits electricity to the connecting terminal 2 on the charging socket 65 side, then the connecting terminal 2 on the charging socket 65 side transmits electricity to the charging wire harness 3 on the charging socket 65 side, and finally the whole charging loop is completed, so that the normal operation of charging can be ensured.

Alternatively, as shown in fig. 1 to 3, the charging device 10 may further include: charging harness 3, charging harness 3 includes sinle silk 31 and outsourcing insulating layer 32, and outsourcing insulating layer 32 and seal cover 211 are integrated into one piece spare, and integrated into one piece spare can improve outsourcing insulating layer 32 and seal cover 211's structure uniformity to can prevent that outsourcing insulating layer 32 and seal cover 211 from appearing the crack, and sinle silk 31 still contacts with liquid metal 22, in the charging process, the heat that produces in view of liquid metal is less, and outsourcing insulating layer 32 can play sealed effect moreover. Further, sinle silk 31 sets up to solid metal material, and sinle silk 31 has electrically conductive function like this to can guarantee that charging device 10 accomplishes the work demand.

As shown in fig. 6 to 10, according to a second alternative embodiment of the present invention, a charging device 10 includes: casing 1, binding post 2 and charging harness 3, binding post 2 includes: a first sealed chamber 21 and a liquid metal 22, the liquid metal 22 being contained in the first sealed chamber 21, the charging harness 3 comprising: a second sealed chamber 33 and a liquid metal 22, wherein the liquid metal 22 is contained in the second sealed chamber 33, and the first sealed chamber 21 and the second sealed chamber 33 are communicated. In other words, the first sealed chamber 21 and the second sealed chamber 33 are filled with liquid metal. This can further reduce the amount of heat generation of the terminal block 2 and the charging harness 3, thereby making it possible to make the charging device 10 suitable for high-power charging items.

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 housing 1, and the second sealed chamber 33 is at least partially fixed outside the housing 1; in other words, the connection terminal 2 is disposed inside the housing 1, and the charging harness 3 is disposed outside the housing 1; as another example, the second sealed chamber 33 is fixed outside the housing 1, and the first sealed chamber 21 is at least partially fixed inside the housing 1, in other words, a part of the terminal 2 is disposed inside the housing 1.

Both the above arrangement forms of the terminal block 2 and the charging harness 3 can generate less heat.

The liquid metal 22 has super heat conductivity and super electric conductivity, the vehicle can bear large current when the wiring terminal 2 and the charging wire bundle 3 work by arranging the liquid metal 22 in the first sealing chamber 21 and the second sealing chamber 33 in the high-power charging process, and excessive resistance heat can not be generated when the wiring terminal 2 and the charging wire bundle 3 work.

In addition, binding post 2 is in the course of the work, and the heat that binding post 2 produced can transmit fast to 3 with the charging wire bundles that binding post 2 communicates on, and the liquid metal 22 in the binding post 2 of being convenient for like this carries out the heat exchange with the liquid metal 22 in the charging wire bundles 3, simultaneously, also can increase heat radiating area and radiating rate. Therefore, the arrangement can greatly reduce the heat productivity of the wiring terminal 2, thereby effectively solving the problem of terminal burning loss of the wiring terminal 2 and further improving the use and safety of the vehicle.

Alternatively, as shown in fig. 6 to 9, the first sealed chamber 21 may include: the sealing sleeve 211 and the sealing plug 212, the end of the sealing sleeve 211 far away from the charging harness 3 is provided with a hole, the hole may be provided on the end portion of the sealing sleeve 211 and only opens part of the end portion of the sealing sleeve 211, the hole may also be a hole in which one end of the sealing sleeve 211 is completely opened, that is, one end of the sealing sleeve 211 may be an opened end. A sealing plug 212 seals the bore of the sealing gland 211. Wherein 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 left out. Meanwhile, the surface of the sealing plug 212 is smooth, so that when the charging socket 65 contacts with the connecting terminals 2 at the two ends of the charging gun 66, the charging socket 65 can be better attached to the connecting terminals 2 at the two ends of the charging gun 66.

Alternatively, the sealing sleeve 211 and/or the second chamber 33 may be an insulator and the sealing plug 212 a conductor. That is to say, at least one of the sealing sleeve 211 and the second sealing chamber 33 may be an insulating member, the insulating member may improve the safety of the terminal block 2 and the charging harness 3, and may effectively prevent the liquid metal from leaking electricity to the outside through the sealing sleeve 211 and the second sealing chamber 33, and the sealing plug 212 may facilitate effective current transmission when the charging socket 65 and the charging gun 66 are docked.

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 part of the hole or may extend into the hole completely, which is better to seal the hole, so as to further ensure that the liquid metal 22 does not flow out from the hole, and further ensure that the charging device 10 has higher safety in operation.

Specifically, the 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, so that the annular groove and the sealing plug 212 can be better connected together, the annular groove and the sealing plug 212 can be more compact in structure, and the liquid metal 22 can be further prevented from flowing out from the hole.

As shown in fig. 11 to 13, the charging device 10 may further include: the first pump body 60 and the first liquid storage tank 70, the first liquid storage tank 70 stores liquid metal, the first seal chamber 21 and the first liquid storage tank 70 can be communicated, the first pump body 60 is arranged between the first seal chamber 21 and the first liquid storage tank 70, when the charging socket 65 and the charging gun 66 are detected to be plugged, 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 seal chamber 21 and the second seal chamber 33, so that the charging function of the charging device 10 can be realized, when the gun pulling is detected to be needed, the first pump body 60 can pump the liquid metal in the first seal chamber 21 and the second seal 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 seal chamber 21 and the second seal chamber 33 at any time, and the service life of the charging device 10 can be prolonged. Thus, the weight of the charging socket 65 and the charging gun 66 can be effectively reduced, the weight of the charging gun 66 lifted can be reduced, the weight of the vehicle in a traveling state can be reduced at the vehicle end, and the weight reduction of the vehicle can be realized. A first filter 80 is disposed between the first pump body 60 and the first reservoir 70, and the first filter 80 may perform a filtering function.

As shown in fig. 11 to 13, the charging device 10 may further include: the control valve 90, the control valve 90 is set up between first sealed chamber 21 and pump body 73, the control valve 90 has effects of controlling the liquid metal to flow into and flow out of first sealed chamber 21 and second sealed chamber 33, when the charging unit 10 works, open the control valve 90, then the pump body 73 pumps the liquid metal into first sealed chamber 21 and second sealed chamber 33, when the charging unit 10 does not work, close the control valve 90, then the pump body 73 pumps the liquid metal back to the first liquid container 70, the arrangement can make the operation simple, convenient, thus can improve the customer satisfaction. It should be noted that the control valve 90 may also be disposed at the outlet of the first reservoir 70.

As shown in fig. 6 to 10, 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 to the charging socket 65 as well as to the charging gun 66. As shown in fig. 6 and 8, after the charging socket 65 is butted with the charging gun 66 during the charging process of the vehicle, the charging socket 65 and the terminals 2 at both ends of the charging gun 66 are contacted with each other, so that the purpose of charging the vehicle can be achieved.

In addition, it is possible to set the connection terminal 2 of either one of the charging socket 65 and the charging gun 66 as a liquid metal terminal and the other connection terminal 2 as a solid terminal, it being explained that the connection terminal 2 of the charging gun 66 is set as a solid terminal if the connection terminal 2 of the charging socket 65 is set as a liquid metal terminal, and the connection terminal 2 of the charging socket 65 is set as a solid terminal if the connection terminal 2 of the charging gun 66 is set as a liquid metal terminal. Of course, it is also possible to provide the charging socket 65 and the connection terminal 2 of the charging gun 66 as liquid metal terminals at the same time.

As shown in fig. 11 to 13, according to a third alternative embodiment of the present invention, a charging device 10 includes: casing 1, binding post 2, first liquid storage pot 70 and the first pump body 60, binding post 2 includes: the first seal chamber 21 is fixed in the housing 1, the first seal chamber 21 is used for containing liquid metal 22, the first storage tank 70 stores the liquid metal 22, and the first pump body 60 is connected between the first seal chamber 21 and the first storage tank 70, wherein the first pump body 60 can pump the liquid metal 22 stored in the first storage tank 70 into the first seal chamber 21 and can also pump the liquid metal 22 in the first seal chamber 21 back into the first storage tank 70.

The liquid metal 22 is filled in the first sealing chamber 21 of the connecting terminals 2 at two ends of the charging socket 65 and the charging gun 66, when a vehicle is charged, the charging socket 65 and the charging gun 66 are in butt joint, the charging gun 66 side needs to be manually taken up to be in butt joint with the charging socket 65, therefore, the first pump body 60 is arranged to control the liquid metal 22 to flow into and out of the first sealing chamber 21, so that the liquid metal 22 at the charging gun 66 side can be pumped into the first sealing chamber 21 at the charging time, and after the gun pulling is detected to be needed, the liquid metal 22 is pumped out of the first sealing chamber 21 through the pump body 73, so that the weight of the charging gun 66 can be reduced, and meanwhile, the problem that the liquid metal 22 leaks due to improper manual operation can be avoided. Wherein, the connection terminal of the charging socket 65 and the connection terminal of the charging gun 66 are not through.

Alternatively, as shown in fig. 7, 9 and 10, the first sealed chamber 21 may include: the sealing sleeve 211 and the sealing plug 212, one end of the sealing sleeve 211 is provided with a hole, which may be disposed on the end portion of the sealing sleeve 211 and only opens the end portion of the sealing sleeve 211, or may be a hole in which one end of the sealing sleeve 211 is completely opened, that is, one end of the sealing sleeve 211 may be an open end. The sealing sleeve 211 is fixed in the housing 1, the sealing plug 212 has a sealing function, and the sealing plug 212 seals the hole on 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 being omitted. Meanwhile, the surface of the sealing plug 212 is smooth, so that when the charging socket 65 contacts with the connecting terminals 2 at the two ends of the charging gun 66, the charging socket 65 can be better attached to the connecting terminals 2 at the two ends of the charging gun 66.

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

Further, at least a part of the sealing plug 212 extends into the hole to seal the hole, and it should be explained that the sealing plug 212 may be a part of the hole or may extend into the hole entirely, so that the hole can be better sealed, and thus the charging device 10 can be ensured to have higher safety in operation.

Further, as shown in fig. 7, 9 and 10, the connection terminal 2 is connected with a charging harness 3, the sealing sleeve 211 is a conductive component, the charging harness 3 is connected with the conductive component, it can also be understood that the charging harness 3 is connected with the sealing sleeve 211, and the charging harness 3 has a conductive function, electricity can be transmitted between the sealing sleeve 211 and the charging harness 3, and the electricity can be guided to the vehicle through the charging harness 3 in the charging process of the vehicle, so that the work requirement of continuously supplying power to the vehicle can be met.

Alternatively, as shown in fig. 7, 9 and 10, the connection terminal 2 is connected with a charging harness 3, the sealing sleeve 211 is provided with a wiring hole through which the charging harness 3 is in contact with the liquid metal 22, and a sealing ring is surrounded around the outer circumference of the charging harness 3 at the wiring hole. In the charging process, electricity can be transmitted to the liquid metal 22 in the connecting terminal 2 on the charging gun 66 side by the charging wire harness 3 on the charging gun 66 side, then the connecting terminal 2 on the charging gun 66 side transmits electricity to the connecting terminal 2 on the charging socket 65 side, then the connecting terminal 2 on the charging socket 65 side transmits electricity to the charging wire harness 3 on the charging socket 65 side, and finally the whole charging loop is completed, so that the normal operation of charging can be ensured.

As another alternative, as shown in fig. 7, 9 and 10, the charging device 10 may further include: charging harness 3, charging harness 3 includes sinle silk 31 and outsourcing insulating layer 32, outsourcing insulating layer 32 and seal cover 211 are integrated into one piece spare, integrated into one piece spare can improve outsourcing insulating layer 32 and seal cover 211's structure uniformity, thereby can prevent that outsourcing insulating layer 32 and seal cover 211 from appearing the crack, and sinle silk 31 still contacts with liquid metal 22, in the charging process, the heat that produces in view of liquid metal is less, and state temperature, the heat that so sinle silk 31 produced can be transmitted for liquid metal, and the outsourcing insulating layer can play sealed effect moreover. Further, sinle silk 31 sets up to solid metal material, and sinle silk 31 has electrically conductive function like this to can guarantee that charging device 10 accomplishes the work demand.

As shown in fig. 11 to 13, the charging device 10 may further include: the control valve 90 is arranged between the sealing chamber and the pump body, the control valve 90 has the function of controlling liquid metal to flow into and out of the sealing chamber, when the charging device 10 works, the control valve 90 is opened, then the pump body pumps the liquid metal into the sealing chamber, when the charging device 10 does not work, the control valve 90 is closed, then the pump body 73 pumps the liquid metal back into the first liquid storage tank 70, and the arrangement enables the operation to be simple and convenient, so that the customer satisfaction can be improved.

On the basis of the above three different embodiments, the charging device 10 may further include other components, for example, the heat sink 100 and the heat dissipating body 101. The radiator 100 is sleeved on the casing 1, the radiator 100 can be installed on the radiating main body 101, and the radiator 100 has a radiating function and can radiate heat generated by the charging device 10 in the working process, so that the temperature can be guaranteed not to be accumulated on the charging device 10, and the charging device 10 can be prevented from being burnt due to overhigh temperature.

The heat dissipation body 6 may include: plate body 61 and cooling flow channel, the cooling flow channel sets up on plate body 61. The housing 1 is accommodated in the accommodating hole 102, and it is also understood that the housing 1 is a part of the charging device 10, and the housing 1 may be mounted on the heat sink 100. The heat sink 100 may be mounted on the heat dissipating body 6, that is, the heat sink 100 may play a role of dissipating heat for the housing 1 and also play a role of fixing the housing 1.

The heat sink 100 will be described first.

As shown in fig. 14, the heat sink 100 may include a main body 101 and a plurality of first fins 103, the cooling chamber 72 is formed in the main body 101, and an inner circumference of the main body 101 defines a receiving hole 102, the receiving hole 102 receiving the housing. That is, the housing can be installed in the accommodating hole 102, and the accommodating hole 102 can ensure the installation reliability of the housing 1 on the one hand and ensure the sufficient contact between the main body 101 and the housing 1 on the other hand, thereby facilitating the sufficient heat exchange between the cooling chamber 72 and the housing.

Further, the plurality of first heat dissipation fins 103 extend along the axial direction of the main body 101, and the plurality of first heat dissipation fins 103 are distributed in the circumferential direction of the main body 101, so that the heat of the charging device 10 can be dissipated everywhere in the circumferential direction of the main body 101, and a better cooling effect can be achieved.

The heat dissipation main 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, a cooling flow passage is formed in each second fin 62, the heat sink 100 is fixed on the plate body 61, the cooling chamber 72 communicates with the cooling flow passage of the second fin 62, and the housing 1 is mounted on the accommodation hole 102. The setting of second fin 62 can further promote the radiating effect of casing 1, can effectively reduce binding post 2's temperature, can avoid binding post 2 overheated problem to appear. And the cooling flow channels in the second cooling fins 62 communicate with the cooling chamber in the cooling member, so that the problem of the entrance and exit of the cooling liquid in the cooling chamber can be solved, and the arrangement of the housing 1 can be made simple.

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 the common inlet 63 and the common outlet 64. Plate body 61 simple structure like this can effectively solve the feed liquor of a plurality of second fin 62 and go out the liquid problem, can promote the radiating effect of casing 1 moreover better.

Alternatively, the cooling chamber 72 may be provided with a liquid inlet 101a and a liquid outlet 101b at both ends thereof, the liquid inlet 101a being connected to at least one cooling flow passage, and the liquid outlet 101b being connected to at least one cooling flow passage. It should be noted that the number of the liquid inlet 101a connected to the cooling flow passage is equal to or greater than one, and the number of the liquid outlet 101b connected to the cooling flow passage is equal to or greater than one. Therefore, the flowing of the cooling liquid in the plurality of cooling channels can be ensured, and the cooling liquid in the plurality of cooling channels can also be ensured to flow out of the liquid outlet 101b after heat exchange is completed, so that the heat in the charging device 10 can be better brought to the outside of the charging device 10.

As shown in the drawings, a vehicle according to an embodiment of the present invention may include the charging device 10 and the cooling system 20 of the above-described embodiment, with the cooling flow passage, the cooling chamber 72, and the cooling system communicating. Therefore, cooling liquid can flow in the cooling flow channel, the cooling system can be controlled to be started when the vehicle is charged, and therefore the working temperature of the charging connecting piece can be effectively reduced.

Specifically, as shown in fig. 7, the cooling system includes: a circulation circuit is formed among the pump body 73, the heat exchanger 74, the reservoir tank 75, the cooling flow passage of the heat radiating body 6, and the cooling chamber 72. Thus, the pump body 73 can be operated when the charging socket 65 and the charging gun 66 are docked, so that the cooling fluid is pumped into the cooling flow channel and the cooling chamber 72, so that the cooling flow channel cools the connection terminal 2. The cooling system further includes: and a filter 77, the filter 77 being disposed between the pump body 73 and the heat exchanger 74, the filter 77 being capable of performing a filtering function.

Specifically, as shown in fig. 7, the vehicle may further include: the plug detection piece 30 is used for detecting the plug state of a charging gun 66 inserted into the charging socket 65, and the electronic control module 40 is electrically connected with the plug detection piece 30 and controls the pump body 73 to work after receiving a charging gun plug completion signal. Wherein, as shown, the vehicle may further comprise: the power distribution module 50, the power distribution module 50 can distribute power to the electronic control module 40, and the electronic 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 herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

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

Claims

1. A charging device, comprising:

a housing;

a terminal, the terminal comprising: a first sealed chamber fixed within the housing and a liquid metal contained within the first sealed chamber;

the first sealed chamber includes: the sealing sleeve is fixed in the shell, a hole is formed in one end of the sealing sleeve, the sealing plug is fixed in the shell and seals the hole, the sealing plug is a conductive piece, and the sealing sleeve is a conductive piece;

the first pump body is arranged between the first sealing chamber and the first liquid storage tank.

2. The charging device according to claim 1, wherein a charging harness is connected to the connection terminal, and a core of the charging harness is connected to the sealing sleeve.

3. A charging arrangement as claimed in claim 1, in which a charging harness is connected to the terminal, the gland being provided with a wiring aperture through which a core of the charging harness passes to contact the liquid metal.

4. A charging arrangement as claimed in claim 1, in which at least part of the sealing plug projects into the bore to seal the bore.

5. A charging arrangement as claimed in claim 1, in which the sealing sleeve is provided with an annular groove in the periphery of one end thereof, the sealing plug fitting over the annular groove to seal the aperture.

6. The charging device according to claim 1, further comprising: the electric charging harness comprises a wire core and an outer packaging insulating layer, the sealing sleeve is made of insulating materials, the outer packaging insulating layer is in integral molding with the sealing sleeve, and the wire core is in contact with the liquid metal.

7. A charging arrangement as claimed in claim 6, in which the core is of solid metal.

8. The charging device of claim 1, wherein the charging device is a charging socket or a charging gun.

9. The charging device according to any one of claims 1 to 8, further comprising: the radiator is sleeved on the shell.

10. A charging arrangement as claimed in claim 9, in which the heat sink comprises:

the cooling structure comprises a main body and a plurality of first cooling fins, wherein a cooling chamber is formed in the main body, a containing hole is limited by the inner periphery of the main body and used for containing the shell, and the first cooling fins are distributed on the outer surface of the main body.

11. A charging arrangement as claimed in claim 10, in which a plurality of the first fins extend axially of the body and are distributed circumferentially of the body.

12. The charging device of claim 10, further comprising:

a heat dissipating body, the heat dissipating body comprising: the cooling flow channel is arranged on the plate body, the main body is installed on the plate body, and the cooling chamber is communicated with the cooling flow channel.

13. A charging device as claimed in claim 12, wherein said plate body is formed with a common inlet and a common outlet, and a plurality of said cooling flow passages share one said common inlet and one said common outlet.

14. A vehicle, characterized by comprising:

a charging device according to any one of claims 1-13;

and the cooling flow channel of the charging device, the cooling chamber of the charging device and the cooling system are communicated.

15. The vehicle of claim 14, characterized in that the cooling system comprises: the pump body, the heat exchanger, the liquid storage pot, the cooling runner with form circulation circuit between the cooling chamber.

16. The vehicle of claim 15, further comprising: the automatic charging device comprises a plugging detection piece and an electric control module, wherein the plugging detection piece is used for detecting the plugging state of a charging gun in the charging device, and the electric control module is electrically connected with the plugging detection piece and controls the pump body to work after receiving a charging gun plugging completion signal.