WO2023279941A1

WO2023279941A1 - Vehicle charging base and vehicle having same

Info

Publication number: WO2023279941A1
Application number: PCT/CN2022/099426
Authority: WO
Inventors: 尚小良; 叶天永; 肖辉; 郑鲁
Original assignee: 比亚迪股份有限公司
Priority date: 2021-07-08
Filing date: 2022-06-17
Publication date: 2023-01-12
Also published as: CN115603087A

Abstract

Provided are a vehicle charging base (1) and a vehicle having the same. The vehicle charging base (1) comprises: a housing (100), a charging channel (110) which is constructed in the housing (100) and has a charging inlet (111) and a charging outlet (112); a high-voltage contact member (200) which is mounted in the charging channel (110) and is exposed from the charging inlet (111), one end of the high-voltage contact member (200) away from the charging inlet (111) being provided with a high-voltage contact welding member (210); a high-voltage charging wire (300) which extends into the charging channel (110) from the charging outlet (112), one end of the high-voltage charging wire (300) facing the high-voltage contact member (200) being provided with a high-voltage wire welding member (310) which is welded to the high-voltage contact welding member (210); and a pressing plate (400) which is mounted in the charging channel (110) and is provided with a limiting structure (410), the limiting structure (410) being matched with the welding position of the high-voltage wire welding member (310) and the high-voltage contact welding member (210).

Description

Vehicle charging stand and vehicle having same

This disclosure claims the priority of the Chinese patent application with the application number 202110774151.2 and the title of "vehicle charging stand and vehicle with it" submitted to the China Patent Office on July 08, 2021, the entire contents of which are incorporated by reference in this disclosure middle.

technical field

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

Background technique

For new energy vehicles in related technologies, with the increase of battery energy density and charging rate, electric vehicle charging piles are required to be able to input higher voltage and greater current per unit time to achieve high-power charging. In this regard, the vehicle charging stand usually increases the current and realizes high-power charging by increasing the diameter of the cable. However, when the cable is thickened, the force on the end of the charging line, especially the high-voltage charging line, will be concentrated, and the charging line will be charged for a long time. The force will reduce the structural strength of the connection between the contact piece and the charging line, which will affect the service life of the vehicle charging stand.

Contents of the invention

The present disclosure aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present disclosure is to provide a vehicle charging stand, which has the advantages of firm connection and long service life.

The present disclosure also proposes a vehicle having the above vehicle charging stand.

In order to achieve the above object, according to the embodiment of the first aspect of the present disclosure, a vehicle charging stand is proposed, including: a housing, a charging channel is constructed in the housing, and the charging channel has a charging inlet and a charging outlet; a high-voltage contact piece, The high-voltage contact piece is installed in the charging channel and exposed from the charging inlet, and a high-voltage contact welding part is provided at the end of the high-voltage contact piece far away from the charging inlet; a high-voltage charging line, the high-voltage charging line is connected from The charging outlet extends into the charging channel, and one end of the high-voltage charging line facing the high-voltage contact is provided with a high-voltage line welding piece, and the high-voltage line welding piece is connected to the high-voltage contact welding piece by welding; the pressure plate, the The pressure plate is installed in the charging channel, and the pressure plate is configured with a limiting structure, and the limiting structure is matched with the welding part of the high-voltage wire welding part and the high-voltage contact welding part, so that the high-voltage line welding part and the high-voltage contact welding part The welding position of the high-voltage contact weldment is limited.

The vehicle charging stand according to the embodiment of the present disclosure has the advantages of firm connection and long service life.

According to some specific embodiments of the present disclosure, the high-voltage contact welding piece and the high-voltage line welding piece are both configured in a sheet shape and attached to each other, and the high-voltage contact welding piece and the high-voltage line welding piece are connected to each other by surface welding .

Further, the cross-sections of the high-voltage contact and the high-voltage charging line are both configured in a circular shape, the width of the high-voltage contact weld is greater than the diameter of the high-voltage contact, and the width of the high-voltage line weld is greater than the The diameter of the high voltage charging wire.

According to some specific embodiments of the present disclosure, the high-voltage contact welding piece is located on one side of the central axis of the high-voltage contact piece, and the high-voltage line welding piece is welded to the center of the high-voltage contact welding piece toward the high-voltage contact piece side of the axis.

According to some specific embodiments of the present disclosure, the pressure plate is configured with a positioning hole extending along its axial direction, the limiting structure is a limiting groove communicating with the positioning hole, and the limiting groove passes through the pressure plate. The end surface facing the charging inlet, the positioning hole runs through the end surface of the pressure plate facing the charging outlet, the high-voltage charging line is passed through the positioning hole, the high-voltage line welding part and the high-voltage contact welding part inserted into the limit slot.

Further, the limiting groove runs through the outer peripheral surface of the pressing plate.

According to some specific embodiments of the present disclosure, the housing includes: a charging base flange, the charging inlet is formed on the charging base flange, and the high-voltage contact, the high-voltage charging line and the pressure plate are all provided with In the flange of the charging stand; the dust cover, the dust cover is installed on the flange of the charging stand and is used to open and close the charging inlet; the rear shell of the charging stand, the rear shell of the charging stand is installed on the charging stand The charging stand flange and jointly define the charging channel with the charging stand flange, the charging outlet is formed on the rear shell of the charging stand, and the high-voltage charging line extends from the charging stand flange to the The rear shell of the charging stand is drawn out from the charging outlet.

Further, the outer peripheral surface of the flange of the charging stand is provided with a buckle of the charging stand, and the inner peripheral surface of the rear shell of the charging stand is provided with a slot of the rear shell that is engaged with the buckle of the charging stand. The buckle is engaged in the slot of the rear shell.

According to some specific embodiments of the present disclosure, the vehicle charging stand further includes: a front-end sealing gasket, the front-end sealing gasket is arranged in the charging channel and between the pressure plate and the rear shell of the charging stand, so that The front end sealing pad is provided with a first wire harness through hole, and the high voltage charging line is passed through the first wire harness through hole.

According to some specific embodiments of the present disclosure, the rear shell of the charging stand includes: a rear shell main body, the rear shell main body is installed on the charging stand flange, the rear shell main body is configured with a rear shell through hole, and the rear shell main body is configured with a rear shell through hole. The outer side of the main body of the shell is constructed with a rear shell buckle; the locking buckle cover is provided with a buckle cover slot, the rear shell buckle is engaged with the buckle cover slot, and the charging outlet Formed on the locking buckle cover; a support member, the support member is arranged between the rear case main body and the locking buckle cover, and the high-voltage charging line passes through the rear case through hole and the charging The outlet leads out from the charging channel and is clamped by the supporting member.

Further, the support member is configured with a plurality of clamping jaws, and the plurality of clamping jaws surround the high-voltage charging line and jointly clamp the high-voltage charging line.

Further, the inner peripheral surface of the locking buckle cover is provided with a plurality of support grooves, and a plurality of the jaws are respectively matched with the plurality of the support grooves, and the outer surface of each jaw is configured to be formed by the The charging inlet gradually slopes toward the center of the support member from the charging inlet to the charging outlet.

According to some specific embodiments of the present disclosure, the vehicle charging stand further includes: a rear-end sealing gasket, the rear-end sealing gasket is arranged in the through hole of the rear shell, and the inner wall of the through hole of the rear shell is configured to limit step, the rear-end gasket is arranged between the limiting step and the support member, the rear-end gasket is provided with a second wiring harness through hole, and the high-voltage charging line is passed through the second wiring harness Via.

According to some specific embodiments of the present disclosure, the high-voltage contact includes: a contact housing; a conductive reed, the conductive reed is arranged on the contact housing and protrudes from the contact toward the charging inlet The housing, the high-voltage contact welding piece is arranged at one end of the contact housing facing the charging outlet and connected to the conductive reed; the sealing ring, the sealing ring surrounds the outer peripheral surface of the contact housing and Forms a seal with the housing.

Further, the high-voltage contact is provided with a temperature detection probe, the temperature detection probe is located on the side of the sealing ring facing the charging outlet, and the temperature detection probe is connected to a transmission harness extending toward the charging outlet .

According to some specific embodiments of the present disclosure, the high-voltage contact piece and the high-voltage wire welding piece are connected as a whole by ultrasonic welding or friction welding.

According to some specific embodiments of the present disclosure, the high-voltage contact includes a high-voltage positive contact and a high-voltage negative contact, and both the high-voltage positive contact and the high-voltage negative contact are provided with the high-voltage contact weld; The line includes a high-voltage positive charging line and a high-voltage negative charging line. Both the high-voltage positive charging line and the high-voltage negative charging line are provided with a high-voltage line welding part. The high-voltage contact welding part of the high-voltage positive contact part is connected to the high-voltage positive charging line The high-voltage wire welding part of the high-voltage negative electrode contact part is welded and connected with the high-voltage wire welding part of the high-voltage negative electrode charging line.

According to some specific embodiments of the present disclosure, the vehicle charging stand further includes: a low-voltage contact piece, the low-voltage contact piece is installed in the charging channel through the pressure plate and exposed from the charging inlet; a low-voltage charging line , the low-voltage charging line extends from the charging outlet into the charging channel and is connected to the low-voltage contact.

Embodiments according to the second aspect of the disclosure propose a vehicle.

A vehicle according to an embodiment of the present disclosure includes the vehicle charging stand according to an embodiment of the first aspect of the present disclosure.

The vehicle according to the embodiment of the present disclosure has the advantages of firm connection and long service life by using the vehicle charging stand according to the above-mentioned embodiments of the present disclosure.

Additional aspects and advantages of the disclosure will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the disclosure.

Description of drawings

The above and/or additional aspects and advantages of the present disclosure will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, in which:

FIG. 1 is a schematic structural view of a vehicle charging stand according to an embodiment of the disclosure;

FIG. 2 is an exploded view of a vehicle charging stand according to an embodiment of the present disclosure;

Fig. 3 is a partial cross-sectional view of a cross-section where a pressure plate of a vehicle charging stand is located according to an embodiment of the present disclosure;

4 is an axial sectional view of a vehicle charging stand according to an embodiment of the present disclosure;

Fig. 5 is a structural schematic diagram of a high-voltage contact and a high-voltage charging line of a vehicle charging stand according to an embodiment of the disclosure;

Fig. 6 is a structural schematic diagram of a high-voltage charging cable, a support member and a locking buckle cover of a vehicle charging stand according to an embodiment of the present disclosure.

Reference signs:

Vehicle charging stand 1,

Housing 100, charging channel 110, charging inlet 111, charging outlet 112, charging stand flange 120,

Charging stand buckle 121, dust cover 130, charging stand rear case 140, rear case slot 141, rear case main body 142,

Rear shell through hole 1421, rear shell buckle 1422, locking buckle cover 143, buckle cover slot 1431, support member 144,

Jaw 1441, support groove 1432, slope 1442, limit step 1423,

High voltage contact piece 200, high voltage contact welding piece 210, contact piece housing 211, conductive reed 212, sealing ring 213,

temperature detection probe 214, high voltage positive contact 201, high voltage negative contact 202,

High-voltage charging line 300, high-voltage line welding parts 310, high-voltage positive charging line 301, high-voltage negative charging line 302,

Pressing plate 400, limiting structure 410, positioning hole 420,

Front-end gasket 500, first wire harness hole 510,

The back-end sealing gasket 600 , the second wiring harness hole 610 , the low-voltage contact piece 700 , and the low-voltage charging line 800 .

detailed description

Embodiments of the present disclosure are described in detail below, examples of which are illustrated in the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present disclosure and should not be construed as limiting the present disclosure.

In describing the present disclosure, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Rear", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Axial", "Radial", "Circumferential" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, use a specific Azimuth configuration and operation, therefore, are not to be construed as limitations on the present disclosure.

In the description of the present disclosure, "first feature" and "second feature" may include one or more of these features.

In the description of the present disclosure, "plurality" means two or more, and "several" means one or more.

A vehicle charging stand 1 according to an embodiment of the present disclosure will be described below with reference to the drawings.

As shown in FIGS. 1-6 , a vehicle charging stand 1 according to an embodiment of the present disclosure includes a housing 100 , a high-voltage contact 200 , a high-voltage charging line 300 and a pressure plate 400 .

A charging channel 110 is configured inside the housing 100 , and the charging channel 110 has a charging inlet 111 and a charging outlet 112 .

The high-voltage contact 200 is installed in the charging channel 110 and exposed from the charging inlet 111 , and a high-voltage contact welding part 210 is provided at an end of the high-voltage contact 200 away from the charging inlet 111 . The high-voltage charging line 300 extends from the charging outlet 112 into the charging channel 110 , and one end of the high-voltage charging line 300 facing the high-voltage contact 200 is provided with a high-voltage line welding piece 310 , and the high-voltage line welding piece 310 is connected to the high-voltage contact welding piece 210 by welding. The pressure plate 400 is installed in the charging channel 110, and the pressure plate 400 is configured with a limiting structure 410. The limiting structure 410 is matched with the welding part of the high-voltage line welding part 310 and the high-voltage contact welding part 210, so as to control the high-voltage line welding part 310 and the high-voltage contact welding part 210. The welding position is limited.

For example, the charging gun is inserted through the charging inlet 111 and contacts with the high voltage contact 200 to realize charging. The high voltage contact 200 is installed in the housing 100 according to the shape of the housing 100 , and the pressure plate 400 is fixed to the housing 100 by fasteners and provides support and positioning for the high voltage contact 200 .

The charging channel 110 extends linearly along the front-to-back direction (the front direction is only for describing the relative positions of the components, and is not limited to the front-rear direction of the vehicle), and the charging inlet 111 and the charging outlet 112 are respectively facing the two ends of the charging channel 110, reaching the straight line purpose of power supply. The vehicle charging stand 1 can be a DC charging stand, the high voltage contact 200 is a DC high voltage contact 200 , and the high voltage charging line 300 is a DC charging line. The high-voltage contact 200 is exposed from the charging inlet 111. It can be understood that the above-mentioned "exposure" is not limited to protruding, but means that the connection between the high-voltage contact 200 and the charging inlet 111 can be achieved outside the housing 100. The high-voltage charging line 300 extends from the charging outlet 112 into the charging channel 110. The high-voltage charging line 300 is connected to the high-voltage contact 200. The high-voltage charging line 300 receives the electric energy of the charging gun to supply power for the vehicle.

According to the vehicle charging stand 1 of the embodiment of the present disclosure, the high-voltage contact part 200 is provided with a high-voltage line welding part 310, the high-voltage charging line 300 is provided with a high-voltage line welding part 310, and the high-voltage contact part 200 and the high-voltage charging line 300 pass through the high-voltage line welding part 310 and the high-voltage line welding part 310 welding connection, so that the high-voltage charging line 300 and the high-voltage contact 200 have a higher connection strength, the high-voltage contact 200 extends from the end (ie, the front side) of the pressure plate 400 toward the charging inlet 111, and the high-voltage charging line 300 extends from the end of the pressure plate 400 It extends toward one end (ie, the rear side) of the charging outlet 112 .

The high-voltage line welding part 310 and the high-voltage line welding part 310 are welded into a whole, and are limited together by the limiting structure 410, so that the joint of the high-voltage charging line 300 and the high-voltage contact piece 200 is jointly fixed on the pressure plate 400, and the pressure plate 400 can limit the high-voltage contact welding Part 210 and high-voltage wire welding part 310 relatively move, such as rotation and misalignment, forming reinforcement at the junction of high-voltage contact part 200 and high-voltage charging line 300, avoiding twisting or bending at the junction of high-voltage contact part 200 and high-voltage charging line 300 Bending leads to weak connection, and the high-voltage contact 200 will not be bent and twisted by the wire harness, which improves the connection strength between the high-voltage charging line 300 and the high-voltage contact 200, improves charging stability, and prolongs the service life of the vehicle charging stand 1 .

Therefore, the vehicle charging stand 1 according to the embodiment of the present disclosure has the advantages of firm connection and long service life.

In some specific embodiments of the present disclosure, as shown in FIG. 5 , the high-voltage contact weldment 210 and the high-voltage line weldment 310 are both configured in a sheet shape and attached to each other. The surface is welded together.

The high-voltage contact weldment 210 and the high-voltage line weldment 310 are formed into sheets to achieve good fit. The high-voltage contact weldment 210 and the high-voltage line weldment 310 have a large contact area, and the high-voltage contact weldment can be made by welding. The connection between 210 and high-voltage wire welding part 310 is more firm.

Further, as shown in FIG. 5 , the cross-sections of the high-voltage contact 200 and the high-voltage charging line 300 are configured in a circular shape, the width of the high-voltage contact weld 210 is greater than the diameter of the high-voltage contact 200, and the width of the high-voltage line weld 310 is greater than that of the high-voltage charging line. The diameter of the charging cable 300 . That is, the high-voltage contact weld 210 exceeds the radial profile of the high-voltage contact 200 , the high-voltage line weld 310 exceeds the radial profile of the high-voltage charging line 300 , and the width of the high-voltage contact weld 210 can be equal to the width of the high-voltage line weld 310 .

For example, the high-voltage contact welding piece 210 and the high-voltage line welding piece 310 are all configured as a rectangle, and the pressing plate 400 can be on both sides of the high-voltage contact welding piece 210 and the high-voltage line welding piece 310 in the thickness direction. Position limit, the pressure plate 400 is clamped on both sides of the high-voltage contact weldment 210 and the high-voltage line weldment 310 by the limit structure 410, so as to ensure that the high-voltage contact weldment 210 and the high-voltage line weldment 310 do not rotate relative to the pressure plate 400, and ensure charging The angle of the high-voltage connector (not shown in the figure) at the end of the line reaches the expected position, and at the same time, the high-voltage contact weldment 210 and the high-voltage line weldment 310 will not move and rotate relative to the pressure plate 400 along its thickness direction, and the pressure plate 400 is lifted to the high-voltage contact 200 and the limit reliability of the high-voltage charging line 300 , and the pressure plate 400 is installed in the charging channel 110 , so that the high-voltage contact 200 and the high-voltage charging line 300 can be kept in the charging channel 110 relatively stably.

In some specific embodiments of the present disclosure, as shown in FIG. 3 and FIG. 5 , the high-voltage contact weld 210 is located on one side of the central axis of the high-voltage contact 200, and the high-voltage line weld 310 is welded on the side of the high-voltage contact weld 210 facing the high voltage. One side of the central axis of the contact piece 200 .

In this way, it is easy to ensure that the high-voltage contact piece 200 and the high-voltage charging line 300 are arranged coaxially, and the high-voltage line welding piece 310 is located at the central axis of the high-voltage contact piece 200, so that the high-voltage contact piece 200 and the high-voltage charging line 300 maintain a high positional accuracy, thereby Reduce space occupation and reduce charging loss. The high-voltage contact welding part 210 and the high-voltage line welding part 310 are in proper installation positions, so that the high-voltage contact part 200 and the high-voltage charging line 300 occupy less space in the charging channel 110 .

In some specific embodiments of the present disclosure, as shown in FIG. 2 , the pressure plate 400 is configured with a positioning hole 420 extending along its axial direction, the limiting structure 410 is a limiting groove communicating with the positioning hole 420, and the limiting groove penetrates through the pressure plate The end surface of 400 facing the charging inlet 111, the positioning hole 420 penetrates the end surface of the pressure plate 400 facing the charging outlet 112, the high-voltage charging line 300 passes through the positioning hole 420, and the high-voltage line welding part 310 and the high-voltage contact welding part 210 are plugged into the limiting groove .

Wherein, the pressing plate 400 stops against the end face of the high-voltage contact 200 facing the charging outlet 112 , and then the pressing plate 400 presses the high-voltage contact 200 to the charging inlet 111 side of the housing 100 , and the high-voltage charging line 300 runs from the charging outlet 112 to The side passes through the positioning hole 420, and the high-voltage wire welding part 310 and the high-voltage contact welding part 21 are inserted into the limiting groove together. One side sticks out. Both the high-voltage contact piece 200 and the high-voltage charging line 300 are fixed to the pressure plate 400 through the high-voltage contact welding piece 21 and the high-voltage line welding piece 310 .

In addition, the positioning hole 420 extends axially along the pressure plate 400, and the positioning hole 420 cooperates with the outer peripheral surface of the high-voltage charging line 300, and the high-voltage charging line 300 interferes with the positioning hole 420. role.

Further, as shown in FIG. 2 and FIG. 4 , the limiting groove runs through the outer peripheral surface of the pressing plate 400 . The limit groove passes through the outer peripheral surface of the pressure plate 400, and the processing is relatively simple. The limit groove cooperates with the inner peripheral wall of the housing 100 to form a closed structure, which reduces the weight of the pressure plate 400, and is conducive to making the high-voltage contact weldment 210 and the high-voltage line weldment 310 and the assembly of the limit groove.

In some specific embodiments of the present disclosure, as shown in FIG. 2 , the casing 100 includes a charging stand flange 120 , a dustproof cover 130 and a charging stand rear shell 140 .

The charging inlet 111 is formed on the flange 120 of the charging stand, and the high-voltage contact 200 , the high-voltage charging line 300 and the pressure plate 400 are all arranged in the flange 120 of the charging stand. The dustproof cover 130 is installed on the flange 120 of the charging stand and is used for opening and closing the charging inlet 111 . The rear shell 140 of the charging stand is installed on the flange 120 of the charging stand and defines the charging channel 110 together with the flange 120 of the charging stand. The charging outlet 112 is formed on the rear shell 140 of the charging stand. The rear shell 140 is drawn out from the charging outlet 112 .

The flange 120 of the charging stand is installed on the inner side of the sheet metal structure of the vehicle. The high-voltage contact piece 200 , the high-voltage charging line 300 and the pressure plate 400 are located in the flange 120 of the charging stand. The dustproof cover 130 is installed on the flange 120 of the charging stand and is used for opening and closing the charging inlet 111 . For example, the dustproof cover 130 is hinged on one side of the charging inlet 111 , and the charging inlet 111 is opened and closed by turning it, and it is closed to cover the charging inlet 111 when charging is not needed, so as to play the role of dustproof and waterproof. The rear shell 140 of the charging stand is assembled with the flange 120 of the charging stand to guide the high-voltage charging line 300, so that the high-voltage charging line 300 can supply power to various components of the vehicle along a straight line, and close the charging channel on the side of the charging outlet 112 110, realizing good charging sealing of the high-voltage charging cable 300, thereby ensuring safety performance.

In some specific embodiments of the present disclosure, as shown in FIG. 2 , a charging stand buckle 121 is provided on the outer peripheral surface of the charging stand flange 120 , and a charging stand buckle 121 is provided on the inner peripheral surface of the charging stand rear shell 140 . The rear shell slot 141, and the charging seat buckle 121 is engaged with the rear shell slot 141.

For example, a plurality of buckles 121 of the charging stand are arranged at intervals along the circumferential direction of the flange 120 of the charging stand, and a plurality of rear shell slots 141 corresponding to the buckles 121 of the charging stand are arranged on the inner peripheral surface of the rear shell 140 of the charging stand. The processing of the seat buckle 121 and the rear case slot 141 is relatively convenient, and the charging stand flange 120 and the charging stand rear case 140 are conveniently disassembled by engaging the charging stand buckle 121 with the rear case slot 141 .

In some specific embodiments of the present disclosure, as shown in FIG. 2 , the vehicle charging stand 1 further includes a front-end sealing gasket 500 ,

The front-end gasket 500 is disposed in the charging channel 110 and between the pressure plate 400 and the rear case 140 of the charging stand. The front-end gasket 500 is provided with a first harness hole 510 through which the high-voltage charging cable 300 passes.

The two sides of the thickness direction of the front-end gasket 500 respectively form a seal with the pressure plate 400 and the rear shell 140 of the charging stand, and the front-end gasket 500 forms a seal with the outer peripheral surface of the high-voltage charging line 300 through the first wire harness hole 510, and the front-end gasket 500 The outer peripheral surface of the front end gasket 500 forms a seal with the inner peripheral surface of the housing 100 , so that the front end gasket 500 forms a seal along the axial and radial directions of the charging channel 110 .

In addition, the flange 120 of the charging stand and the rear shell 140 of the charging stand are engaged by the buckle 121 of the charging stand and the slot 141 of the rear shell, which can keep the charging channel 110 with an appropriate axial length, thereby ensuring that the front end gasket 500 can be assembled in place, The sealing effect in the charging channel 110 is ensured.

In some specific embodiments of the present disclosure, as shown in FIG. 2 , the charging stand rear case 140 includes a rear case main body 142 , a locking buckle cover 143 and a support member 144 .

The rear case main body 142 is installed on the charging stand flange 120 , the rear case main body 142 is configured with a rear case through hole 1421 , and the outer surface of the rear case main body 142 is configured with a rear case buckle 1422 . The locking buckle cover 143 is provided with a buckle cover slot 1431 , the rear case buckle 1422 is engaged in the buckle cover slot 1431 , and the charging outlet 112 is formed in the locking buckle cover 143 . The support member 144 is disposed between the rear case main body 142 and the locking buckle cover 143 , and the high-voltage charging cable 300 leads out of the charging channel 110 through the rear case through hole 1421 and the charging outlet 112 in sequence and is clamped by the support member 144 .

The rear case main body 142 and the locking buckle cover 143 are installed as a whole through the rear case buckle 1422 and the buckle cover slot 1431, and the supporting member 144 is respectively matched with the rear case main body 142 and the lock on both sides along the axial direction of the charging channel 110. The cover 143 is fastened, and the support member 144 is clamped and fixed by the rear shell body 142 and the lock cover 143, and the high-voltage charging line 300 is clamped by the support member 144, so that the support member 144 guides and fixes the high-voltage charging line 300 As a support, the support member 144 is supported on the outer peripheral surface of the high-voltage charging line 300 to reduce the torque and lateral force on the high-voltage charging line 300 during the loading process of the vehicle, thereby increasing the service life of the high-voltage charging line 300 .

Further, as shown in FIG. 6 , the support member 144 is configured with a plurality of clamping jaws 1441 , and the multiple clamping jaws 1441 surround the high-voltage charging line 300 and clamp the high-voltage charging line 300 together.

The clamping jaw 1441 has a certain degree of elasticity. By surrounding the high-voltage charging line 300 and pressing the clamping jaw 1441 in the direction of the high-voltage charging line 300 on the outside of the clamping jaw 1441 by the locking button cover 143, the clamping jaw 1441 is deformed to hold The high-voltage charging line 300 enables the support member 144 to provide support for the high-voltage charging line 300 along the axial direction of the high-voltage charging line 300 , thereby further reducing the torsional force and lateral force on the high-voltage charging line 300 .

Further, as shown in FIG. 6 , the inner peripheral surface of the locking button cover 143 is provided with a plurality of support grooves 1432, and a plurality of jaws 1441 are respectively fitted in the plurality of support grooves 1432, and the outer surface of each jaw 1441 is configured as The inclined surface 1442 gradually inclines toward the center of the support member 144 from the charging inlet 111 to the charging outlet 112 .

A plurality of jaws 1441 fit into a plurality of support grooves 1432 respectively, so that the support member 144 and the locking buckle cover 143 will not rotate relative to each other, and when the jaws 1441 are installed in the middle support groove 1432, the inclined plane of the jaw 1441 structure will 1442 can fit into the support groove 1432, and the locking buckle cover 143 exerts pressure on the inclined surface 1442 towards the high-voltage charging line 300 through the inner wall of the support groove 1432, so that the jaws 1441 can hold the high-voltage charging line 300 more firmly, even if the high-voltage charging line The side of 300 facing the charging outlet 112 receives a pulling force, and the pulling force will not be transmitted to the high-voltage contact 200 , thus ensuring the structural strength of the connection position between the high-voltage charging line 300 and the high-voltage contact 200 .

In some specific embodiments of the present disclosure, as shown in FIGS. 2 and 4 , the vehicle charging stand 1 further includes a rear-end sealing gasket 600 .

The back-end gasket 600 is arranged in the through hole 1421 of the back shell, and the inner wall of the back shell through-hole 1421 has a limit step 1423, and the back-end gasket 600 is arranged between the limit step 1423 and the support member 144, and the back-end gasket 600 A second wire harness hole 610 is provided, and the high voltage charging wire 300 passes through the second wire harness hole 610 .

The rear case through hole 1421 supports one side of the rear gasket 600 in the thickness direction by constructing the limiting step 1423 , and the end surface of the support member 144 is supported on the other side of the rear gasket 600 in the thickness direction.

The rear-end gasket 600 is compressed by the limiting step 1423 and the support member 144 , thus forming a seal along the axial direction of the high-voltage charging line 300 , and the rear-end gasket 600 forms a radial seal by cooperating with the inner wall of the rear casing through hole 1421 And keep fixed with the rear shell main body 142, and the rear sealing gasket 600 passes through the second wire harness hole 610, and forms a seal with the outer peripheral surface of the high-voltage charging line 300, thus, the rear sealing gasket 600 is along the axial direction of the charging channel 110 and Sealing is formed in both radial directions, which ensures good sealing of the high-voltage charging line 300 at the charging outlet 112 . Furthermore, the front-end sealing gasket 500 and the rear-end sealing gasket 600 jointly seal the vehicle charging stand 1 , achieving good waterproof safety.

In some specific embodiments of the present disclosure, as shown in FIG. 5 , the high voltage contact 200 includes a contact housing 211 , a conductive reed 212 and a sealing ring 213 .

The conductive reed 212 is disposed on the contact housing 211 and protrudes from the contact housing 211 toward the charging inlet 111 . The sealing ring 213 surrounds the outer peripheral surface of the contact housing 211 and forms a seal with the housing 100 .

The contact housing 211 provides protection for the conductive reed 212. The conductive reed 212 is electrically connected to the charging gun by extending out of the contact housing 211. The sealing ring 213 forms a seal with the housing 100 to prevent water on the charging gun from being charged. Contact of parts inside the channel 110 causes safety risks such as short circuits.

Further, as shown in FIG. 5 , the high-voltage contact 200 is provided with a temperature detection probe 214, the temperature detection probe 214 is located on the side of the sealing ring 213 facing the charging outlet 112, and the temperature detection probe 214 is connected to a transmission cable extending toward the charging outlet 112. wiring harness.

The temperature detection probe 214 can monitor the temperature of the conductive reed 212 in real time, and can respond quickly when the temperature of the conductive reed 212 is too high, and the temperature detection probe 214 is located on the side of the sealing ring 213 facing the charging outlet 112, thereby avoiding The temperature detection probe 214 is damaged due to contact with water. The transmission harness connected to the temperature detection probe 214 and the high-voltage charging cable 300 are extended to the charging outlet 112 and connected to the vehicle to ensure the safety of vehicle charging.

In some specific embodiments of the present disclosure, the high-voltage contact piece 200 and the high-voltage wire welding piece 310 are connected as one by ultrasonic welding or friction welding.

Ultrasonic welding or friction welding has higher connection strength than cold pressing, and the overcurrent capability between the high-voltage contact 200 and the high-voltage charging line 300 after welding is improved to meet the demand for high-current charging.

In some specific embodiments of the present disclosure, as shown in FIG. 2 and FIG. 4 , the high-voltage contact 200 includes a high-voltage positive contact 201 and a high-voltage negative contact 202, and both the high-voltage positive contact 201 and the high-voltage negative contact 202 are provided with The high voltage contacts the weldment 210 .

The high-voltage charging line 300 includes a high-voltage positive charging line 301 and a high-voltage negative charging line 302. Both the high-voltage positive charging line 301 and the high-voltage negative charging line 302 are provided with a high-voltage line welding part 310. The high-voltage wire welding part 310 of the charging line 301 is connected by welding, and the high-voltage contact welding part 210 of the high-voltage negative electrode contact part 202 is connected by welding to the high-voltage wire welding part 310 of the high-voltage negative electrode charging line 302 .

Both the high-voltage positive electrode contact 201 and the high-voltage negative electrode contact 202 are installed in the charging channel 110 and exposed from the charging inlet 111. The high-voltage positive electrode contact 201 and the high-voltage negative electrode contact 202 are arranged at intervals along the radial direction of the charging channel 110, so as to adapt to the charging gun. Contact charging.

In some specific embodiments of the present disclosure, as shown in FIG. 2 , the vehicle charging stand 1 further includes a low-voltage contact 700 and a low-voltage charging line 800 .

The low-voltage contact 700 is installed in the charging channel 110 through the pressing plate 400 and exposed from the charging inlet 111 . The low-voltage charging line 800 extends from the charging outlet 112 into the charging channel 110 and is connected to the low-voltage contact 700 .

By arranging the low-voltage contact 700 and the low-voltage charging line 800, different charging modes can be adapted, and the high-voltage contact 200 can be matched with the high-voltage contact 200 for fast charging when fast charging is required. During low-voltage charging, the low-voltage contactor 700 is matched with the low-speed charging to protect the vehicle charging stand 1 .

A vehicle according to an embodiment of the present disclosure is described below.

A vehicle according to an embodiment of the present disclosure includes the vehicle charging stand 1 according to the above-mentioned embodiments of the present disclosure.

The vehicle according to the embodiment of the present disclosure has the advantages of firm connection and long service life by using the vehicle according to the embodiment of the present disclosure and the vehicle charging stand 1 according to the above-mentioned embodiment of the present disclosure.

Other configurations and operations of the vehicle charging stand 1 according to the embodiment of the present disclosure and the vehicle with it are known to those skilled in the art, and will not be described in detail here.

In the description of this specification, descriptions with reference to the terms "specific embodiment", "specific example" and the like mean that specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or embodiment of the present disclosure. example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example.

Although the embodiments of the present disclosure have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present disclosure. The scope of the present disclosure is defined by the claims and their equivalents.

Claims

A vehicle charging stand, characterized in that it comprises:

A housing, a charging channel is configured in the housing, and the charging channel has a charging inlet and a charging outlet;

A high-voltage contact piece, the high-voltage contact piece is installed in the charging channel and exposed from the charging inlet, and a high-voltage contact welding piece is provided at the end of the high-voltage contact piece away from the charging inlet;

A high-voltage charging line, the high-voltage charging line extends from the charging outlet into the charging channel, and one end of the high-voltage charging line facing the high-voltage contact is provided with a high-voltage line welding piece, and the high-voltage line welding piece and the high-voltage line The contact weldment is welded and connected;

A pressure plate, the pressure plate is installed in the charging channel, the pressure plate is configured with a limiting structure, and the limiting structure is matched with the welding part of the high-voltage wire welding part and the high-voltage contact welding part, so as to weld the high-voltage wire The welding position of the parts and the high-voltage contact welding parts is limited.
The vehicle charging stand according to claim 1, characterized in that, the high-voltage contact welding parts and the high-voltage line welding parts are both configured in a sheet shape and attached to each other, and the high-voltage contact welding parts and the high-voltage line welding parts are mutually The conforming surfaces are welded together.
The vehicle charging stand according to any one of claims 1-2, characterized in that the cross-sections of the high-voltage contact and the high-voltage charging line are both configured in a circular shape, and the width of the high-voltage contact weld is larger than the The diameter of the high-voltage contact piece, the width of the high-voltage line welding piece is greater than the diameter of the high-voltage charging line.
The vehicle charging stand according to any one of claims 1-3, wherein the high-voltage contact welding piece is located on one side of the central axis of the high-voltage contact piece, and the high-voltage wire welding piece is welded to the high-voltage contact piece. A side of the weldment facing the central axis of the high voltage contact.
The vehicle charging stand according to any one of claims 1-4, characterized in that, the pressure plate is configured with a positioning hole extending along its axial direction, and the limiting structure is a limiting groove communicating with the positioning hole , the limiting groove penetrates the end surface of the pressure plate facing the charging inlet, the positioning hole penetrates the end surface of the pressure plate facing the charging outlet, and the high-voltage charging line passes through the positioning hole, so The high-voltage wire welding piece and the high-voltage contact welding piece are inserted into the limiting groove.
The vehicle charging stand according to any one of claims 1-5, characterized in that, the limiting groove penetrates through the outer peripheral surface of the pressing plate.
The vehicle charging stand according to any one of claims 1-6, wherein the housing comprises:

The charging base flange, the charging inlet is formed on the charging base flange, and the high-voltage contact piece, the high-voltage charging line and the pressure plate are all arranged in the charging base flange;

A dust-proof cover, the dust-proof cover is installed on the flange of the charging stand and is used to open and close the charging inlet;

The rear shell of the charging stand, the rear shell of the charging stand is installed on the flange of the charging stand and jointly defines the charging channel with the flange of the charging stand, the charging outlet is formed on the rear shell of the charging stand, the The high-voltage charging wire extends from the flange of the charging stand to the rear shell of the charging stand and leads out from the charging outlet.
The vehicle charging stand according to any one of claims 1-7, characterized in that, the outer peripheral surface of the flange of the charging stand is provided with a buckle for the charging stand, and the inner peripheral surface of the rear shell of the charging stand is provided with a The charging base is buckled into the rear shell slot, and the charging base is snapped into the rear shell slot.
The vehicle charging stand according to any one of claims 1-8, further comprising:

A front-end sealing pad, the front-end sealing pad is arranged in the charging channel and between the pressure plate and the rear shell of the charging stand, the front-end sealing pad is provided with a first wire harness through hole, and the high-voltage charging line passes through Set in the first wire harness through hole.
The vehicle charging stand according to any one of claims 1-9, wherein the rear shell of the charging stand comprises:

The main body of the rear case, the main body of the rear case is installed on the flange of the charging stand, the main body of the rear case is configured with a rear case through hole, and the outer surface of the main body of the rear case is configured with a buckle of the rear case;

Locking the buckle cover, the locking buckle cover is provided with a buckle cover slot, the rear shell is snapped into the buckle cover slot, and the charging outlet is formed on the lock buckle cover;

A support member, the support member is arranged between the main body of the rear case and the locking button cover, the high-voltage charging line leads out of the charging channel through the through hole of the rear case and the charging outlet in turn, and is drawn by the The above supports are clamped.
The vehicle charging stand according to any one of claims 1-10, wherein the support member is configured with a plurality of clamping jaws, and the plurality of clamping jaws surround the high-voltage charging line and jointly clamp the high-voltage charging line. Charging Cable.
The vehicle charging stand according to any one of claims 1-11, characterized in that, the inner peripheral surface of the locking buckle cover is provided with a plurality of support grooves, and the plurality of clamping jaws are respectively matched with the plurality of the The support groove, the outer surface of each jaw is configured as a slope that gradually inclines toward the center of the support member from the charging inlet to the charging outlet.
The vehicle charging stand according to any one of claims 1-12, further comprising:

A rear-end sealing pad, the rear-end sealing pad is arranged in the through hole of the rear shell, the inner wall of the through-hole of the rear shell is configured with a limiting step, and the rear-end sealing pad is arranged between the limiting step and the Between the support members, the rear-end sealing pad is provided with a second wire harness through hole, and the high-voltage charging line is passed through the second wire harness through hole.
The vehicle charging stand according to any one of claims 1-13, wherein the high-voltage contact comprises:

Contact housing;

A conductive reed, the conductive reed is arranged on the contact housing and protrudes from the contact housing toward the charging inlet, and the high-voltage contact welding piece is arranged on the contact housing toward the charging inlet. One end of the outlet is connected to the conductive reed;

A sealing ring, the sealing ring surrounds the outer peripheral surface of the contact housing and forms a seal with the housing.
The vehicle charging stand according to any one of claims 1-14, characterized in that the high-voltage contact is provided with a temperature detection probe, and the temperature detection probe is located on the side of the sealing ring facing the charging outlet , the temperature detection probe is connected to a transmission wire harness extending toward the charging outlet.
The vehicle charging stand according to any one of claims 1-15, characterized in that, the high-voltage contact piece and the high-voltage wire welding piece are connected as one by ultrasonic welding or friction welding.
The vehicle charging stand according to any one of claims 1-16, characterized in that, the high-voltage contact includes a high-voltage positive contact and a high-voltage negative contact, and the high-voltage positive contact and the high-voltage negative contact All are equipped with the high-voltage contact weldment;

The high-voltage charging line includes a high-voltage positive charging line and a high-voltage negative charging line. Both the high-voltage positive charging line and the high-voltage negative charging line are provided with a high-voltage line welding part, and the high-voltage contact welding part of the high-voltage positive contact part is connected to the high-voltage positive electrode. The high-voltage wire welding part of the charging line is connected by welding, and the high-voltage contact welding part of the high-voltage negative electrode contact part is connected by welding to the high-voltage wire welding part of the high-voltage negative electrode charging line.
The vehicle charging stand according to any one of claims 1-17, further comprising:

a low-voltage contact, the low-voltage contact is installed in the charging channel through the pressure plate and exposed from the charging inlet;

A low-voltage charging line, the low-voltage charging line extends from the charging outlet into the charging channel and is connected to the low-voltage contact.
A vehicle, characterized by comprising: the vehicle charging stand according to any one of claims 1-18.