CN113619411B

CN113619411B - Vehicle charging device and vehicle

Info

Publication number: CN113619411B
Application number: CN202010383172.7A
Authority: CN
Inventors: 赵宴宾; 马玮玮; 张鹏; 官已骏; 范云雷; 李松涛
Original assignee: Beiqi Foton Motor Co Ltd
Current assignee: Beiqi Foton Motor Co Ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2023-09-08
Anticipated expiration: 2040-05-08
Also published as: CN113619411A

Abstract

The present disclosure relates to a vehicle charging apparatus and a vehicle, the vehicle charging apparatus (100) comprising a power receiving module (1) adapted to be movably mounted to a vehicle chassis and a lifting mechanism (2) connected between the vehicle chassis and the power receiving module (1), the lifting mechanism (2) being configured for adjusting a vertical position of the power receiving module (1) relative to the vehicle chassis. Through above-mentioned technical scheme, the vehicle battery charging outfit that this disclosure provided has effectively solved the problem that the charging distance between subaerial charging module and the power receiving module on the vehicle chassis received chassis high restriction, is favorable to improving charging efficiency.

Description

Vehicle charging device and vehicle

Technical Field

The disclosure relates to the technical field of vehicle charging, in particular to vehicle charging equipment and a vehicle.

Background

Along with the rapid development of the electric automobile industry, the charging technology becomes one of key factors restricting the development of the industry, and an intelligent and rapid charging mode becomes a trend of the development of the electric automobile charging technology. The wireless charging technology can solve the defects of interface limitation, safety problem and the like faced by the traditional conductive charging, so that the wireless charging technology gradually becomes a main mode of charging the electric automobile.

The wireless charging is to use the coupled electromagnetic field as medium to realize the electric energy transfer, and it generally uses the charging module (power supply coil) arranged on the ground and the power receiving module (power receiving coil) of the vehicle to charge the vehicle by the magnetic resonance generated between the coils instead of the traditional power transmission line. This charging mode has a high requirement for the distance between the power supply and the power receiving. The power receiving module is often limited by the charging distance and is installed at the bottom of the vehicle, but the distance between the power receiving module and the charging module cannot be guaranteed to be the optimal charging distance due to different heights of chassis of vehicles of different vehicle types, so that the charging efficiency is reduced.

Disclosure of Invention

An object of the present disclosure is to provide a vehicle charging apparatus that effectively solves the problem that a charging distance between a charging module on the ground and a power receiving module on a vehicle chassis is limited by a chassis height, which is beneficial to improving charging efficiency.

In order to achieve the above object, the present disclosure provides a vehicle charging apparatus including a power receiving module adapted to be movably mounted to a vehicle chassis, and a lifting mechanism connected between the vehicle chassis and the power receiving module, the lifting mechanism being configured for adjusting a vertical position of the power receiving module with respect to the vehicle chassis.

Optionally, the lifting mechanism comprises a lifting driving device and a transmission structure, and the transmission structure is used for connecting the lifting driving device and the power receiving module together in a transmission mode, so that the lifting driving device actuates the power receiving module to move in the vertical direction through the transmission structure.

Optionally, the transmission structure is configured as a rack-and-pinion transmission structure and includes a rack and a pinion that cooperate, the lifting drive device is configured as a motor that drives the pinion to rotate, one of the motor and the rack is adapted to be fixedly mounted to the vehicle chassis, and the other of the motor and the rack is fixedly mounted to the power receiving module.

Optionally, the rack extends in the vertical direction and has a first side and a second side opposite with respect to the vertical direction, the first side and the second side each being configured with teeth, the gear comprising a drive wheel coaxially fixed to the output shaft of the motor and engaged with the teeth on the first side, and a driven wheel engaged with the teeth on the second side.

Optionally, the motor is mounted to a motor bracket, the gear is pivotally mounted to a gear bracket, and both the motor bracket and the gear bracket are adapted to be secured to the vehicle chassis or the power receiving module.

Optionally, the lifting mechanism comprises a positioning locking mechanism, the positioning locking mechanism comprises a shell fixed relative to the gear and a locking piece movably arranged on the shell, the locking piece can extend and retract in the shell to switch between a locking position and a avoiding position, in the locking position, the locking piece cooperates with the rack to limit the relative movement between the rack and the gear, and in the avoiding position, the locking piece is separated from the rack to enable the relative movement between the rack and the gear; the detent mechanism includes a lock actuation device in the housing configured to actuate the lock member toward the locked position and a return actuation device configured to actuate the lock member toward the retracted position.

Optionally, the locking actuation device is configured as a spring and the return actuation device is configured as an electromagnetic switch; the locking piece comprises a base made of an armature and a wedge-shaped lock tongue fixed on the base, the base is located in the shell, the wedge-shaped lock tongue penetrates through the shell, the spring is biased between the base and the shell, and the electromagnetic switch is arranged opposite to the base.

Optionally, the vehicle charging device comprises a mounting mechanism comprising a foldable or telescopic lifting bracket for connecting the power receiving module to the vehicle chassis, the lifting bracket being configured with a damping structure for providing a resistance for the lifting bracket to maintain a current vertical dimension.

Optionally, the hoisting support includes platy connecting rod, the quantity of connecting rod is a plurality of and passes through hinge structure in proper order and connect, be located one of two connecting rods of tip with power module fixed connection, another be used for with vehicle chassis fixed connection, hinge structure includes articulated shaft and first axle sleeve and second axle sleeve, first axle sleeve is fixed in one of two adjacent connecting rods, the second axle sleeve is fixed in another of two adjacent connecting rods, the articulated shaft wears to locate first axle sleeve with the second axle sleeve, damping structure includes protruding and the recess that can cooperate, and protruding with the recess forms on two terminal surfaces that first axle sleeve and second axle sleeve are relative each other.

On the basis of the scheme, the invention further provides a vehicle, and the vehicle comprises the vehicle charging equipment.

Through above-mentioned technical scheme, in the vehicle charging equipment that this disclosure provided, receive the electricity module and install in the vehicle chassis, elevating system connects between vehicle chassis and the electricity module and is used for adjusting the perpendicular position of electricity module for the vehicle chassis, consequently, can adjust the charging distance between electricity module and the subaerial charging module on the vehicle chassis through elevating system. Therefore, the vehicle charging equipment provided by the disclosure effectively solves the problem that the charging distance between the charging module on the ground and the power receiving module on the chassis of the vehicle is limited by the height of the chassis, and is beneficial to improving the charging efficiency.

Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:

FIG. 1 is a block diagram of a vehicle charging apparatus in a charged state, according to an embodiment of the present disclosure, wherein a charging module is shown;

fig. 2 is a perspective structural view of a vehicle charging apparatus provided according to an embodiment of the present disclosure;

fig. 3 is a perspective view of a lifting mechanism in a vehicle charging apparatus provided according to an embodiment of the present disclosure;

FIG. 4 is another perspective view of a lift mechanism in a vehicle charging apparatus provided in accordance with an embodiment of the present disclosure, with a lift drive and cover removed to avoid interference;

FIG. 5 is a perspective block diagram of a cover in a vehicle charging apparatus provided in accordance with an embodiment of the present disclosure;

fig. 6 is a perspective structural view of a mounting portion in a vehicle charging apparatus provided according to an embodiment of the present disclosure;

FIG. 7 is a block diagram of a detent mechanism in a vehicle charging device provided in accordance with an embodiment of the present disclosure;

FIG. 8 is a cross-sectional view taken along line A-A of FIG. 7;

fig. 9 is a perspective view of a lifting bracket in a vehicle charging apparatus provided according to an embodiment of the present disclosure; wherein an exploded view of the hinge structure is shown;

fig. 10 is an exploded view of a hinge structure in a vehicle charging apparatus provided according to an embodiment of the present disclosure, in which a hinge shaft is removed in order to avoid interference.

Description of the reference numerals

100-a vehicle charging device; 1-a power receiving module; 2-a lifting mechanism; 21-lifting driving device; 211-motor; 212-a motor bracket; 22-gear rack; 221-cover cap; 2211-connecting a cover plate; 2212—a first baffle; 2213-positioning piece; 222-a mounting portion; 2221-connecting flange; 2222-second baffle; 2223-limiting element; 23-racks; 231-teeth; 24-gear; 241-drive wheel; 2411-a drive shaft; 242-driven wheel; 2421-a driven shaft; 25-positioning locking mechanism; 251-a housing; 2511—mounting ear plates; 2512—a chute; 252-base; 2521-a slider; 253-wedge lock tongue; 2531-wedge; 254-spring; 255-electromagnetic switch; 26-fixing seat; 3-hoisting the bracket; 31-a first link; 32-a second link; 33-an intermediate link; 34-hinge structure; 341-a first sleeve; 342-a second sleeve; 343-damping structure; 3431-grooves; 3432-protrusions; 200-a charging module.

Detailed Description

Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.

In the present disclosure, unless otherwise indicated, terms of orientation such as "inner and outer" are used to refer to inner and outer relative to the contour of the component itself, and "upper and lower" are used to refer to upper and lower orientations in the height direction (i.e., vertical direction) of the vehicle when it is on the ground; the use of the terms first, second, etc. are used for distinguishing between different elements and not necessarily for describing a sequential or chronological order. Furthermore, in the following description, when referring to the drawings, the same reference numerals in different drawings denote the same or similar elements unless otherwise explained. The foregoing definitions are provided for the purpose of illustrating and explaining the present disclosure and should not be construed as limiting the present disclosure.

According to a specific embodiment provided by the present disclosure, there is provided a vehicle charging apparatus 100 including a power receiving module 1 adapted to be movably mounted to a vehicle chassis, and a lifting mechanism 2 connected between the vehicle chassis and the power receiving module 1, the lifting mechanism 2 being configured for adjusting a vertical position of the power receiving module 1 with respect to the vehicle chassis.

Through the above technical scheme, in the vehicle charging equipment provided by the disclosure, the power receiving module 1 is mounted on the vehicle chassis, and the lifting mechanism 2 is connected between the vehicle chassis and the power receiving module for adjusting the vertical position of the power receiving module 1 relative to the vehicle chassis, so that the charging distance between the power receiving module 1 on the vehicle chassis and the charging module 200 on the ground can be adjusted through the lifting mechanism 2. Therefore, the vehicle charging device provided by the present disclosure effectively solves the problem that the charging distance between the charging module 200 on the ground and the power receiving module 1 on the chassis of the vehicle is limited by the chassis height, and is beneficial to improving the charging efficiency.

In the specific embodiment provided in the present disclosure, referring to fig. 2 to 4, the lifting mechanism 2 may include a lifting driving device 21 and a transmission structure that drivingly connects the lifting driving device 21 and the power receiving module 1 together, such that the lifting driving device 21 actuates the power receiving module 1 to move in a vertical direction through the transmission structure. As shown in fig. 1 to 4, when the vehicle is charged, the lifting driving device 21 brakes the power receiving module 1 to move from the initial installation position to the vertical distance between the power receiving module 1 and the charging module 200 on the ground in the vertical direction by the transmission structure as the optimal charging distance, so as to improve the charging efficiency. When the charging is completed, the elevation drive device 21 brakes the power receiving module 1 to move in the vertical direction to the initial installation position through the transmission structure, so as to avoid affecting the trafficability of the vehicle.

In the specific embodiments provided in this disclosure, the transmission structure may be configured in any suitable manner. Alternatively, referring to fig. 3 and 4, the transmission structure may be configured as a rack-and-pinion transmission structure and include a rack 23 and a gear 24 that are mated, the elevation driving device 21 is configured as a motor 211, the motor 211 drives the gear 24 to rotate, one of the motor 211 and the rack 23 is adapted to be fixedly mounted to the vehicle chassis, and the other of the motor 211 and the rack 23 is fixedly mounted to the power receiving module 1. As shown in fig. 2 to 3, the motor 211 is fixedly mounted on the chassis of the vehicle, the rack 23 is fixedly mounted on the power receiving module 1, the motor 211 drives the gear 24 to rotate, and further drives the rack 23 and the power receiving module 1 to move in the vertical direction, so that the charging distance between the power receiving module 1 and the charging module 200 on the ground is prevented from being limited by the height of the chassis. Here, the fixing of the motor 211 and the rack 23 may be selected according to actual requirements, and the disclosure is not limited in any way, and the disclosure is exemplified only by the motor 211 being fixedly mounted on the chassis of the vehicle and the rack 23 being fixedly mounted on the power receiving module 1.

In the embodiment provided in the present disclosure, referring to fig. 4, the rack 23 may have first and second sides which are vertically opposite with respect to each other, each of the first and second sides being configured with teeth 231, the gear 24 includes a driving wheel 241 and a driven wheel 242, the driving wheel 241 is coaxially fixed to the output shaft of the motor 211 and engaged with the teeth 231 on the first side, and the driven wheel 242 is engaged with the teeth 231 on the second side. The teeth 231 on the first side surface and the second side surface of the rack 23 are respectively correspondingly engaged with and connected with the driving wheel 241 and the driven wheel 242, and the driving wheel 241 rotates to sequentially drive the rack 23 and the driven wheel 242 to rotate under the driving of the motor 211, so that the stability of the vertical movement of the rack 23, namely, the stability of the vertical movement of the power receiving module 1 can be improved.

In the embodiment provided in the present disclosure, the motor 211 is mounted to the motor bracket 212, the gear 24 is pivotally mounted to the gear bracket 22, and both the motor bracket 212 and the gear bracket 22 are adapted to be secured to the vehicle chassis or the power receiving module 1. As shown in fig. 2 to 4, the motor bracket 212 and the gear bracket 22 are both suitable for being fixed on the chassis of the vehicle, and the rack 23 is fixed on the power receiving module 1 through the fixing seat 26, so that the driving gear 24 of the motor 211 rotates to drive the rack 23 to move in the vertical direction. Here, when the motor bracket 212 and the gear bracket 22 are fixed to the vehicle chassis, a powerful support may be provided for the gear 24 and the rack 23 to withstand some of the gravity from the power receiving module.

Wherein the gear support 22 may be configured in any suitable manner. Alternatively, referring to fig. 3 to 6, the rack gear 22 includes a mounting portion 222 and a cover 221, the cover 221 is formed with an accommodating space for accommodating a rack and pinion gear structure, and the rack and pinion gear structure is connected to a vehicle chassis through the cover 221. As shown in fig. 5, the cover 221 is detachably connected to the mounting portion 222 by a mating connection structure, the mating connection structure includes a first baffle 2212 fixed to the cover 221, at least two first baffles 2212 and two second baffles 2222 disposed opposite to each other in a vertical direction on the cover 221, at least two second baffles 2222 disposed opposite to each other in a vertical direction on the mounting portion 222, and a second baffle 2222 fixed to the mounting portion 222, the first baffles 2212 and the second baffles 2222 are staggered and vertically inserted and connected together for connecting the cover 221 and the mounting portion 222, and the limiting member 2223 is disposed to limit a limit position of the vertical insertion and connection of the first baffles 2212 on the mounting portion 222. In addition, a connection flange 2221 is provided on the mounting portion 222, and a connection cover 2211 for connecting to the chassis of the vehicle is provided on the cover 221, and when the first and second barrier 2212 and 2222 are connected, the connection flange 2221 is provided below the connection cover 2211 and connected by a fastener for fixedly connecting the cover 221 to the mounting portion 222. In addition, a positioning member 2213 is provided on the cover 221 for use in mounting positioning of a positioning lock mechanism described later when the cover 221 and the mounting portion 222 are connected. In other embodiments of the present disclosure, the gear support 22 may be configured in other ways, and the present disclosure is not limited in any way.

In the specific embodiment provided in the present disclosure, the lifting mechanism 2 may include a positioning locking mechanism 25 to lock or unlock the current lifting amount of the transmission structure (corresponding to the height position of the power receiving module), where the positioning locking mechanism may be configured in any suitable manner, for example, may be configured accordingly according to different configurations of the transmission structure. Alternatively, referring to fig. 7 and 8, the positioning lock mechanism 25 may include a housing 251 fixed with respect to the gear 24, and a locking member movably provided to the housing 251, wherein the housing 251 is fixed to the mounting portion 222 by a mounting ear plate 2511, and a slide groove 2512 is provided in the housing 251, a slide block 2521 cooperatively connected with the slide groove 2512 is provided correspondingly on the base 252, the locking member being capable of being extended and retracted in the housing 251 to switch between a locking position in which the locking member cooperates with the rack 23 to restrict relative movement between the rack 23 and the gear 24, and a retracted position in which the locking member is separated from the rack 23 to enable relative movement between the rack 23 and the gear 24; the detent mechanism 25 includes a lock actuator in the housing 251 configured to actuate the lock member toward the lock position and a return actuator configured to actuate the lock member toward the retract position. In other words, the movement of the locking member towards the retracted position is actuated by the return actuating means, so that a relative movement between the rack 23 and the gear 24 is enabled, a vertical movement of the rack 23 and the power receiving module 1 is achieved, and when the power receiving module 1 is moved to the proper position, the movement of the locking member towards the locking position is actuated by the locking actuating means, a relative movement between the rack 23 and the gear 24 is restricted, so that the rack 23 and the power receiving module 1 can be kept in that position. It should be noted that, as shown in fig. 4, for example, the positioning lock mechanism 25 may be configured in plural, and two positioning lock mechanisms 25 are fixed on the mounting portion 222 and disposed outside the first side and the second side of the rack 23, respectively, to ensure the reliability of fixing the rack 23 and the power receiving module 1 with respect to the vehicle chassis, which is not limited in any way.

In the specific embodiments provided in the present disclosure, as shown with reference to fig. 7 and 8, the lock-up actuating device may be configured as a spring 254 and the return actuating device as an electromagnetic switch 255; the locking member includes a base 252 made of an armature and a wedge lock 253 fixed to the base 252, the base 252 is located in the housing 251, the wedge lock 253 penetrates the housing 251, a spring 254 is biased between the base 252 and the housing 251, and the electromagnetic switch 255 is disposed opposite the base 252. The electromagnetic switch 255 is energized to enable the base 252 to drive the wedge-shaped lock tongue 253 to retract in the housing 251, so that the wedge-shaped portion 2531 of the wedge-shaped lock tongue 253 is retracted from the locking position to the avoiding position, and further the rack 23 and the gear 24 can relatively move, and at the moment, the spring 254 is in a compressed state; when the power receiving module 1 moves to a proper position, the electromagnetic switch 255 is powered off, under the action of no electromagnetic attraction force, the spring 254 resets to enable the base 252 to drive the wedge-shaped lock tongue 253 to extend out of the casing 251, so that the wedge-shaped portion 2531 of the wedge-shaped lock tongue 253 moves from the avoidance position to the locking position, and further the movement between the rack 23 and the gear 24 can be limited.

In the specific embodiment provided by the present disclosure, the vehicle charging apparatus 100 may include a mounting mechanism including a foldable or telescopic lifting bracket 3, the lifting bracket 3 being used to connect the power receiving module 1 to the vehicle chassis, the lifting bracket 3 being configured with a damping structure 343, the damping structure 343 being used to provide the lifting bracket 3 with resistance to maintain the current vertical dimension. That is, when the power receiving module 1 vertically moves, the lifting bracket 3 can be folded or telescopic to cooperate with the vertical movement of the power receiving module 1 to realize the lifting of the power receiving module 1, and the damping structure 343 is used for keeping the power receiving module 1 in the current vertical position. In some embodiments, the number of the lifting brackets 3 may be plural, as shown in fig. 2, the plurality of lifting brackets 3 may be uniformly arranged to provide uniform acting force to the power receiving module 1, and at the same time, when the lifting mechanism 2 drives the power receiving module 1 to ascend or descend, the lifting mechanism may be correspondingly folded or unfolded to the same extent, so as to maintain stable movement of the power receiving module 1.

In the specific embodiments provided in the present disclosure, the lifting brackets 3 may be configured in any suitable manner. Optionally, the lifting support 3 includes a plurality of plate-shaped connecting rods, the connecting rods are sequentially connected through the hinge structure 34, one of the two connecting rods located at the extreme end is fixedly connected with the power receiving module 1, and the other connecting rod is fixedly connected with the vehicle chassis, so that when the power receiving module 1 vertically moves, the lifting support 3 can be folded to meet the changing requirement of the vertical position of the power receiving module 1. The hinge structure 34 includes a hinge shaft and a first shaft sleeve 341 and a second shaft sleeve 342, the first shaft sleeve 341 is fixed to one of the adjacent two links, the second shaft sleeve 342 is fixed to the other of the adjacent two links, the hinge shaft is penetrated through the first shaft sleeve 341 and the second shaft sleeve 342, the damping structure 343 includes a protrusion 3432 and a groove 3431 capable of being engaged, and the protrusion 3432 and the groove 3431 are formed on both end surfaces of the first shaft sleeve 341 and the second shaft sleeve 342 opposite to each other, the protrusion 3432 is engaged with the groove 3431 for limiting the folding of the hoist bracket 3, the protrusion 3432 is engaged with the groove 3431 for limiting the rotation of the hinge shaft within the hinge structure 34, i.e., limiting the folding of the hoist bracket 3, and the protrusion 3432 is moved out of the groove 3431 for enabling the rotation of the hinge shaft within the hinge structure 34, i.e., enabling the folding of the hoist bracket 3. As shown in fig. 9 and 10, the links are divided into a first link 31 for connecting with the chassis of the vehicle, a second link 32 for connecting with the power receiving module 1, and an intermediate link 33 for connecting the first link 31 and the second link 32 together, wherein the first link 31 and the second link 32 are respectively connected to the intermediate link 33 through a hinge structure 34, the number of the intermediate links 33 is two, and the two intermediate links 33 are connected through the hinge structure 34, so that the lifting bracket 3 can be folded to meet the changing requirement of the vertical position of the power receiving module 1. In other embodiments of the present disclosure, the lifting bracket 3 may be configured in other ways, and the present disclosure is not limited in any way. Here, it should be noted that the plurality of protrusions 3432 and the plurality of grooves 3431 may be provided, respectively, and the plurality of arrangements may be provided on two end surfaces of the first sleeve 341 and the second sleeve 342 opposite to each other, for example, the plurality of protrusions 3432 are provided at intervals on the end surface of the first sleeve 341, and the plurality of grooves 3431 are provided at intervals on the end surface of the second sleeve 342, which is not limited in any way.

Here, a description is made of a use process of the vehicle charging apparatus provided by the present disclosure in connection with the above-described embodiments. In use, the vertical position of the power receiving module 1 relative to the vehicle chassis can be adjusted according to the required optimal distance between the power receiving module 1 of the vehicle chassis and the charging module 200 on the ground. The wedge 2531 of the wedge-shaped lock bolt 253 of the positioning locking mechanism 25 is located at a locking position, at this time, the electromagnetic switch 255 is electrified, electromagnetic attraction generated by the electromagnetic switch 255 can enable the base 252 to drive the wedge-shaped lock bolt 253 to retract in the shell 251, so that the wedge 2531 of the wedge-shaped lock bolt 253 is retracted from the locking position to an avoiding position, then the motor 211 is used for controlling the driving wheel 241 to rotate clockwise around the driving shaft 2411, so as to drive the rack 23 to move vertically, the driven wheel 242 meshed with the rack 23 moves vertically along with the rack 23 and rotates around the driven shaft 2421, so that stability of the rack 23 and vertical movement of the power receiving module 1 fixedly connected with the rack 23 is ensured, when the battery switch 255 is powered off during movement to a charging optimal distance, the spring 254 of the positioning locking mechanism 25 resets to enable the base 252 to drive the wedge-shaped lock bolt 253 to extend in the shell 251, so that the wedge 2531 of the wedge-shaped lock bolt 253 moves from the avoiding position to the locking position, so that the power receiving module 1 is kept at the charging optimal distance. When the charging is completed, the electromagnetic switch 255 is electrified to enable the base 252 to drive the wedge-shaped lock tongue 253 to retract in the shell 251, then the motor 211 controls the driving wheel 241 to rotate anticlockwise to enable the rack 23 to vertically move to an initial installation position, finally the electromagnetic switch 255 is powered off, and the spring 254 is reset to enable the power receiving module 1 to be kept at the initial installation position.

The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.

In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.

Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.

Claims

1. Vehicle charging device, characterized in that the vehicle charging device (100) comprises a power receiving module (1) adapted to be movably mounted to a vehicle chassis and a lifting mechanism (2) connected between the vehicle chassis and the power receiving module (1), the lifting mechanism (2) being configured for adjusting the vertical position of the power receiving module (1) relative to the vehicle chassis, the vehicle charging device (100) comprising a mounting mechanism comprising a foldable or telescopic lifting bracket (3), the lifting bracket (3) being adapted to connect the power receiving module (1) to the vehicle chassis, the lifting bracket (3) being configured with a damping structure (343), the damping structure (343) being adapted to provide the lifting bracket (3) with a resistance to maintain a current vertical dimension,

wherein the hoisting bracket (3) comprises a plurality of platy connecting rods which are sequentially connected through a hinge structure (34), one of the two connecting rods positioned at the extreme end is fixedly connected with the power receiving module (1), the other connecting rod is fixedly connected with the chassis of the vehicle,

the hinge structure (34) comprises a hinge shaft, a first shaft sleeve (341) and a second shaft sleeve (342), wherein the first shaft sleeve (341) is fixed on one of two adjacent connecting rods, the second shaft sleeve (342) is fixed on the other of the two adjacent connecting rods, the hinge shaft penetrates through the first shaft sleeve (341) and the second shaft sleeve (342),

the damping structure (343) includes a protrusion (3432) and a groove (3431) capable of mating, and the protrusion (3432) and the groove (3431) are formed on both end surfaces of the first sleeve (341) and the second sleeve (342) opposite to each other.

2. Vehicle charging device according to claim 1, characterized in that the lifting mechanism (2) comprises a lifting drive (21) and a transmission structure which drivingly connects the lifting drive (21) and the power receiving module (1) together such that the lifting drive (21) actuates the power receiving module (1) in the vertical direction via the transmission structure.

3. The vehicle charging apparatus according to claim 2, characterized in that the transmission structure is configured as a rack-and-pinion transmission structure and includes a rack (23) and a gear (24) that cooperate, the elevation drive means (21) is configured as a motor (211), the motor (211) drives the gear (24) to rotate, one of the motor (211) and the rack (23) is adapted to be fixedly mounted to the vehicle chassis, and the other of the motor (211) and the rack (23) is fixedly mounted to the power receiving module (1).

4. A vehicle charging apparatus according to claim 3, wherein the rack (23) has first and second sides extending in the vertical direction opposite with respect to the vertical direction, the first and second sides each being configured with teeth (231), the gear (24) comprising a drive wheel (241) and a driven wheel (242), the drive wheel (241) being coaxially fixed to the output shaft of the motor (211) and engaging with the teeth (231) on the first side, the driven wheel (242) engaging with the teeth (231) on the second side.

5. A vehicle charging apparatus according to claim 3, characterized in that the motor (211) is mounted to a motor bracket (212), the gear (24) is pivotally mounted to a gear bracket (22), both the motor bracket (212) and the gear bracket (22) being adapted to be fixed to the vehicle chassis or the power receiving module (1).

6. A vehicle charging apparatus according to claim 3, characterized in that the lifting mechanism (2) comprises a positioning locking mechanism (25), the positioning locking mechanism (25) comprising a housing (251) fixed relative to the gear (24) and a locking member movably provided to the housing (251), the locking member being extendable and retractable within the housing (251) to switch between a locking position in which it cooperates with the rack (23) to limit the relative movement between the rack (23) and the gear (24), and an evasive position in which it is separated from the rack (23) to enable the relative movement between the rack (23) and the gear (24);

the detent mechanism (25) includes a lock actuation device in the housing (251) configured to actuate the movement of the lock toward the locked position and a return actuation device configured to actuate the movement of the lock toward the retracted position.

7. The vehicle charging apparatus according to claim 6, characterized in that the lock-up actuating means is configured as a spring (254), and the return actuating means is configured as an electromagnetic switch (255);

the locking piece comprises a base (252) made of an armature and a wedge-shaped lock tongue (253) fixed on the base (252), the base (252) is located in the shell (251), the wedge-shaped lock tongue (253) penetrates through the shell (251), the spring (254) is biased between the base (252) and the shell (251), and the electromagnetic switch (255) is arranged opposite to the base (252).

8. A vehicle characterized in that it comprises the vehicle charging apparatus according to any one of claims 1 to 7.