CN217873130U

CN217873130U - Monitoring system of wind driven generator cabin

Info

Publication number: CN217873130U
Application number: CN202221362245.5U
Authority: CN
Inventors: 朱俊杰; 任鑫; 祝金涛; 齐革军; 杭兆峰; 钱开荣; 杨立华; 庞然; 谢伟华; 赵剑剑; 唐程; 陈正华; 张中鼎
Original assignee: Huaneng Power International Jiangsu Energy Development Co Ltd; Huaneng Sheyang New Energy Power Generation Co ltd; Huaneng Clean Energy Research Institute; Clean Energy Branch of Huaneng International Power Jiangsu Energy Development Co Ltd Clean Energy Branch
Current assignee: Huaneng Power International Jiangsu Energy Development Co Ltd; Huaneng Sheyang New Energy Power Generation Co ltd; Huaneng Clean Energy Research Institute; Clean Energy Branch of Huaneng International Power Jiangsu Energy Development Co Ltd Clean Energy Branch
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-11-22
Anticipated expiration: 2032-06-01

Abstract

The present disclosure provides a monitoring system of a wind turbine engine room, comprising: the annular frame is arranged in the cabin; the movable frame is arranged on the annular frame in a sliding mode along the circumferential direction of the annular frame; the camera is arranged on the movable frame; and the driving device is arranged between the moving frame and the annular frame and drives the moving frame to move along the circumferential direction of the annular frame. In the monitoring system of the wind driven generator cabin, the movable frame moves along the circumferential direction of the annular frame, so that the key equipment in the cabin can be comprehensively monitored only by arranging one camera, the labor cost and the monitoring cost are both greatly reduced, and the economic benefit of the wind driven generator is effectively improved.

Description

Monitoring system of wind driven generator cabin

Technical Field

The disclosure relates to the technical field of monitoring, in particular to a monitoring system of a wind driven generator cabin.

Background

The wind power generator is an electric power device which converts wind energy into mechanical power, and the mechanical power drives a rotor to rotate so as to finally output alternating current. The wind turbine has more equipment in the engine room, such as: the wind power generation system comprises a yaw system, a pitch system, a generator and the like, which are used as key equipment of the wind power generator, the failure rate is high, and if manual monitoring is adopted, the cost of wind power generation is greatly increased.

Although the cost is lower than that of manual monitoring in the mode of partially arranging a camera in the cabin of the wind driven generator for monitoring equipment, a single camera can only observe a picture of a sector area, and more shielding objects exist in the cabin, so that a plurality of cameras need to be arranged, the installation is inconvenient, the cost is still higher, and improvement is urgently needed.

Disclosure of Invention

The present disclosure is directed to solving, at least to some extent, one of the technical problems in the related art.

To this end, it is an object of the present disclosure to provide a monitoring system of a wind turbine nacelle.

To achieve the above object, the present disclosure provides a monitoring system for a wind turbine nacelle, comprising: an annular frame disposed within the nacelle; the moving frame is arranged on the annular frame in a sliding mode along the circumferential direction of the annular frame; the camera is arranged on the moving frame; and the driving device is arranged between the moving frame and the annular frame and drives the moving frame to move along the circumferential direction of the annular frame.

Optionally, a cabin door is arranged on the top wall of the cabin, the annular frame is close to the top wall of the cabin, and the projections of the annular frame and the cabin door on the top wall of the cabin respectively in the vertical direction do not overlap.

Optionally, a plurality of supporting plates are arranged on the side wall of the nacelle, and the annular frame is connected with the plurality of supporting plates.

Optionally, the movable rack is sleeved on the annular rack, an avoiding opening is formed in the movable rack and used for avoiding the supporting plate.

Optionally, the annular frame is provided with an annular guide rail along the circumferential direction of the annular frame, the moving frame is provided with an annular track, and the annular track is connected with the annular guide rail in a sliding manner.

Optionally, the driving device includes: the rack is arranged on the annular frame along the circumferential direction of the annular frame; the gear is rotationally arranged on the moving frame and is meshed with the rack; the driving motor is arranged on the moving frame and is in transmission connection with the gear; and the driving circuit board is arranged on the movable frame and is electrically connected with the driving motor.

Optionally, the monitoring system further includes: the control box is arranged in the cabin and is respectively in wireless connection with the driving circuit board and the camera; the monitoring center is arranged on the ground, and the control box is electrically connected with the monitoring center.

Optionally, the monitoring system further includes: the first wireless signal transceiver is arranged in the cabin and is electrically connected with the control box; the second wireless signal receiving and transmitting device is arranged on the movable frame and electrically connected with the driving circuit board and the camera respectively, and the control box is wirelessly connected with the driving circuit board and the camera through the first wireless signal receiving and transmitting device and the second wireless signal receiving and transmitting device.

Optionally, the monitoring system further includes: and the storage battery is electrically connected with the camera and the driving device respectively.

Optionally, the monitoring system further includes: the wireless charging sending terminal is arranged on the annular frame and is connected with a power supply of the engine room; the wireless charging receiving end is arranged on the movable frame and electrically connected with the storage battery, and the wireless charging receiving end is matched with the wireless charging transmitting end for use.

The technical scheme provided by the disclosure can comprise the following beneficial effects:

the driving device drives the movable frame to move on the annular frame, so that the camera can move to any position of the annular frame, the shooting visual angle and the shooting position of the camera can be adjusted, and the blind area of the camera caused by the shielding of objects in the cabin is avoided, so that the camera can stably and comprehensively monitor key equipment in the cabin; because the movable frame moves along the circumferential direction of the annular frame, the key equipment in the engine room can be comprehensively monitored only by arranging one camera, the labor cost and the monitoring cost are both greatly reduced, and the economic benefit of the wind driven generator is effectively improved.

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.

Drawings

The foregoing and/or additional aspects and advantages of the present disclosure will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a monitoring system of a wind turbine nacelle according to an embodiment of the present disclosure;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic structural diagram of a gear and a rack in a monitoring system of a wind turbine nacelle according to an embodiment of the present disclosure;

as shown in the figure: 1. annular frame, 2, removal frame, 3, camera, 4, drive arrangement, 5, hatch door, 6, layer board, 7, dodge the mouth, 8, circular guide rail, 9, circular orbit, 10, rack, 11, gear, 12, driving motor, 13, driving circuit board, 14, control box, 15, surveillance center, 16, first wireless signal transceiver, 17, second wireless signal transceiver, 18, battery, 19, the wireless transmitting terminal that charges, 20, the wireless receiving terminal that charges, 21, cabin.

Detailed Description

Reference will now be made in detail to the embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of illustrating the present disclosure and should not be construed as limiting the same. Rather, the embodiments of the disclosure include all changes, modifications and equivalents coming within the spirit and terms of the claims appended thereto.

As shown in fig. 1 and fig. 2, the monitoring system of the wind turbine nacelle according to the embodiment of the present disclosure includes an annular frame 1, a moving frame 2, a camera 3, and a driving device 4, where the annular frame 1 is disposed in the nacelle 21, the moving frame 2 is slidably disposed on the annular frame 1 along a circumferential direction of the annular frame 1, the camera 3 is disposed on the moving frame 2, the driving device 4 is disposed between the moving frame 2 and the annular frame 1, and the driving device 4 drives the moving frame 2 to move along the circumferential direction of the annular frame 1.

It can be understood that the driving device 4 drives the movable frame 2 to move on the annular frame 1, so that the camera 3 can move to any position of the annular frame 1, the shooting visual angle and the shooting position of the camera 3 can be adjusted, the blind area of the camera 3 caused by the shielding of objects in the cabin 21 is avoided, and the stable and comprehensive monitoring of key equipment in the cabin 21 by the camera 3 is realized.

Because the movable frame 2 moves along the circumferential direction of the annular frame 1, the key equipment in the engine room 21 can be comprehensively monitored only by arranging one camera 3, the labor cost and the monitoring cost are both greatly reduced, and the economic benefit of the wind driven generator is effectively improved.

It should be noted that the type of the camera 3 can be selected according to actual needs, for example: the maximum photographable angles of the camera 3 are 60 degrees, 80 degrees, 180 degrees, and the like.

The annular frame 1 is an annular frame body structure, and the annular frame can be a circular ring or a similar circular ring.

The parts of the ring frame 1, the moving frame 2, etc. should have certain strength and be made of light materials, such as aluminum alloy, aluminum magnesium alloy, etc.

The optimal shooting position in the nacelle 21 is located in the middle of the nacelle 21, and the middle of the nacelle 21 is usually used as an access area and a moving area for workers, so in order to reduce the space occupation of the monitoring system in the nacelle 21, in some embodiments, a cabin door 5 is arranged on the top wall of the nacelle 21, the annular frame 1 is close to the top wall of the nacelle 21, and the projections of the annular frame 1 and the cabin door 5 on the top wall of the nacelle 21 respectively along the vertical direction do not overlap.

It will be appreciated that by providing the annular frame 1 and the door 5 with non-overlapping projections in the vertical direction on the top wall of the nacelle 21, the annular frame 1 can avoid the door 5, and by providing the annular frame 1 close to the top wall of the nacelle 21, a better clearance environment can be maintained in the nacelle 21. This ensures smooth entry and exit and movement of the worker in the nacelle 21.

It should be noted that, when the door 5 and the ring frame 1 are both located on the same side of the top wall of the nacelle 21, then the ring frame 1 needs to project on the top wall of the nacelle 21 in the vertical upward direction, and the door 5 also projects on the top wall of the nacelle 21 in the vertical upward direction, and when the door 5 and the ring frame 1 are located on two sides of the top wall of the nacelle 21 respectively, then the ring frame 1 needs to project on the top wall of the nacelle 21 in the vertical upward direction, and the door 5 projects on the top wall of the nacelle 21 in the vertical downward direction.

Based on the fact that the projections of the annular frame 1 and the cabin door 5 on the top wall of the cabin 21 along the vertical direction are not overlapped, the central axis of the annular frame 1 can be close to the central axis of the cabin door 5 or overlapped with the central axis of the cabin door 5, and the central axis of the annular frame 1 can also be far away from the central axis of the cabin door 5.

In some embodiments, the central axis of the ring frame 1 and the central axis of the hatch 5 are both parallel to the vertical direction of the nacelle 21.

As shown in fig. 1 and 2, in some embodiments, the side wall of the nacelle 21 is provided with a plurality of pallets 6, and the ring frame 1 is connected to the plurality of pallets 6.

It can be understood that, by arranging a plurality of supporting plates 6, the ring frame 1 is stably arranged in the nacelle 21, and the supporting plates 6 connect the ring frame 1 with the side wall of the nacelle 21, so that the space occupation of the monitoring system in the nacelle 21 is further reduced.

It should be noted that the number of the supporting plates 6 can be set according to actual needs, for example: the supporting plates 6 are arranged in 3, 4, 5 and the like, and the plurality of supporting plates 6 are uniformly distributed along the circumferential direction of the annular frame 1.

In some embodiments, the supporting plate 6 may be an L-shaped structure, one end of which is fixedly disposed on the sidewall of the nacelle 21, and the other end of which is fixedly connected with the bottom of the ring frame 1.

In some embodiments, the end of the pallet 6 remote from the ring frame 1 is fixedly arranged on a post fixedly arranged on a side wall of the nacelle 21.

As shown in fig. 1 and 2, in some embodiments, the movable frame 2 is sleeved on the annular frame 1, and an avoiding opening 7 is provided on the movable frame 2, and the avoiding opening 7 is used for avoiding the supporting plate 6.

It can be understood that the movable frame 2 is sleeved on the annular frame 1, so that the movable frame 2 can stably move on the annular frame 1, the arrangement of the avoiding opening 7 avoids the supporting plate 6 from blocking the movable frame 2, and the smooth movement of the movable frame 2 on the annular frame 1 is ensured.

In some embodiments, the camera 3 is disposed at the bottom of the mobile rack 2, and the avoidance port 7 is disposed at the bottom of the mobile rack 2.

As shown in fig. 1 and 2, in some embodiments, the annular frame 1 is provided with an annular guide rail 8 along the circumferential direction of the annular frame 1, the moving frame 2 is provided with an annular rail 9, and the annular rail 9 is slidably connected with the annular guide rail 8.

It can be understood that, through the cooperation of the annular guide rail 8 and the annular track 9, the sliding connection between the movable frame 2 and the annular frame 1 is realized, and the smooth movement of the movable frame 2 on the annular frame 1 is ensured.

In some embodiments, the ring rail 8 and the ring rail 9 are provided in plurality, and the plurality of ring rails 8 are respectively provided at the top and bottom of the ring frame 1, thereby enabling stable connection between the ring rail 9 and the ring rail 8.

As shown in fig. 1, 2 and 3, in some embodiments, the driving device 4 includes a rack 10, a gear 11, a driving motor 12 and a driving circuit board 13, the rack 10 is disposed on the annular frame 1 along a circumferential direction of the annular frame 1, the gear 11 is rotatably disposed on the movable frame 2, the gear 11 is engaged with the rack 10, the driving motor 12 is disposed on the movable frame 2, the driving motor 12 is in transmission connection with the gear 11, the driving circuit board 13 is disposed on the movable frame 2, and the driving circuit board 13 is electrically connected with the driving motor 12.

It can be understood that the driving circuit board 13 controls the driving motor 12 to act, the driving motor 12 drives the gear 11 to rotate, and since the rack 10 is disposed on the annular frame 1, the gear 11 rotates to drive the movable frame 2 to move relative to the annular frame 1, thereby realizing the movement of the movable frame 2 on the annular frame 1; meanwhile, the gear 11 is meshed with the rack 10, so that the stop position of the movable frame 2 on the annular frame 1 can be controlled conveniently, the monitoring system is more convenient to use, the influence of the vibration of the engine room 21 on the movable frame 2 can be reduced, and the stable shooting of the camera 3 is guaranteed.

The driving circuit board 13 is used to drive the driving motor 12, the driving circuit board 13 performs calculation and conversion on an external input signal and transmits the converted signal to the driving motor 12, and the driving motor 12 operates according to the signal transmitted by the driving circuit board 13.

The driving motor 12 may be a dc motor or an ac motor, and the driving circuit board 13 is provided with a corresponding circuit according to the type of the driving motor 12.

A speed reducer can be arranged between the driving motor 12 and the gear 11 according to actual needs.

In some embodiments, an encoder may be provided on the rotating shaft of the gear 11, and the number of turns of the gear 11 is calculated by the encoder, so that the stroke of the moving frame 2 on the ring frame 1 is calculated according to the number of turns of the gear 11, and the moving frame 2 can be accurately moved to any position of the ring frame 1. It is understood that this way can move the moving frame 2 to any position of the ring frame 1 by automatic control.

In some embodiments, a plurality of positioning pins may be disposed on the annular frame 1, and a limit switch may be disposed on the movable frame 2, so that the positioning pins can be detected by the limit switch, thereby enabling the movable frame 2 to be quickly and accurately moved to a set position. It will be appreciated that this way the moving frame 2 can be moved to the set position of the ring frame 1 by automatic control.

As shown in fig. 1 and 2, in some embodiments, the monitoring system further includes a control box 14 and a monitoring center 15, the control box 14 is disposed in the nacelle 21, the control box 14 is wirelessly connected to the driving circuit board 13 and the camera 3, respectively, the monitoring center 15 is disposed on the ground, and the control box 14 is electrically connected to the monitoring center 15.

It can be understood that the control box 14 is in wireless communication with the driving circuit board 13 to send a control signal of the monitoring center 15 to the driving circuit board 13, so that the driving circuit board 13 drives the driving motor 12 to act, thereby controlling the movement of the moving frame 2, and the control box 14 is in wireless communication with the camera 3 to transmit the picture taken by the camera 3 to the monitoring center 15. Therefore, the monitoring of the equipment in the engine room 21 by the operator in the monitoring center 15 is realized, the labor cost is effectively reduced, and the monitoring efficiency is improved.

It should be noted that the control box 14 is used for receiving, processing, sending and the like of signals, and may be a controller, a control board and the like.

The monitoring center 15 is used for transmission and reception of signals, display of a photographed screen, and the like, and may be a computer or the like.

In some embodiments, the control box 14 may be connected to a tower-based switch in the nacelle 21 through a network cable, and the tower-based switch may transmit signals to the monitoring center 15 through a fiber channel provided between the nacelle 21 and the ground.

As shown in fig. 1 and 2, in some embodiments, the monitoring system further includes a first wireless signal transceiver 16 and a second wireless signal transceiver 17, the first wireless signal transceiver 16 is disposed in the cabin 21, the first wireless signal transceiver 16 is electrically connected to the control box 14, the second wireless signal transceiver 17 is disposed on the movable frame 2, the second wireless signal transceiver 17 is electrically connected to the driving circuit board 13 and the camera 3, respectively, and the control box 14 is wirelessly connected to the driving circuit board 13 and the camera 3 through the first wireless signal transceiver 16 and the second wireless signal transceiver 17.

It can be understood that, the wireless signal transmitting module of the first wireless signal transceiver 16 transmits a wireless signal to the wireless signal receiving module of the second wireless signal transceiver 17, the wireless signal transmitting module of the second wireless signal transceiver 17 transmits a wireless signal to the wireless signal receiving module of the first wireless signal transceiver 16, and through the cooperation of the first wireless signal transceiver 16 and the second wireless signal transceiver 17, the control box 14 can transmit a control signal to the driving circuit board 13, so as to control the driving motor 12, and at the same time, the camera 3 can transmit a signal for shooting a picture to the control box 14, so as to transmit the picture shot by the camera 3.

As shown in fig. 1 and 2, in some embodiments, the monitoring system further includes a battery 18, and the battery 18 is electrically connected to the camera 3 and the driving device 4, respectively.

It can be understood that, through the arrangement of the storage battery 18, power supply to the camera 3 and the driving device 4 is realized, and stable shooting of the camera 3 and stable driving of the driving device 4 are ensured.

As shown in fig. 1 and fig. 2, in some embodiments, the monitoring system further includes at least one wireless charging transmitting terminal 19 and a wireless charging receiving terminal 20, the wireless charging transmitting terminal 19 is disposed on the ring frame 1, the wireless charging transmitting terminal 19 is connected to a power supply of the nacelle 21, the wireless charging receiving terminal 20 is disposed on the movable frame 2, the wireless charging receiving terminal 20 is electrically connected to the storage battery 18, and the wireless charging receiving terminal 20 is used in cooperation with the wireless charging transmitting terminal 19.

It can be understood that, the receiving terminal 20 that charges wirelessly removes along with removing frame 2, and when the receiving terminal 20 that charges wirelessly was close to the wireless transmitting terminal 19 that charges, cabin 21's power charges battery 18 through the wireless transmitting terminal 19 that charges immediately with the wireless cooperation of receiving terminal 20 that charges, thereby make the electric quantity of battery 18 can guarantee camera 3 and drive arrangement 4's use, and simultaneously, through the setting of the wireless transmitting terminal 19 that charges and the wireless receiving terminal 20 that charges, realized charging of battery 18 when avoiding influencing removing frame 2 pivoted.

It should be noted that the number of the wireless charging transmitting terminals 19 may be set according to actual use requirements, for example: the number of the wireless charging transmitting terminals 19 is 2, 3, 4, etc.

The installation position of the wireless charging transmitting terminal 19 can be selected according to the shooting condition of the camera 3, for example: when camera 3 was located several positions of ring frame 1, it can stably shoot the equipment that the operating personnel need long-time control, then can install wireless transmitting terminal 19 that charges in these several positions department to guarantee the stable of battery 18 and charge, wherein, for the installation of the wireless transmitting terminal that charges, can set up the position of layer board 6 in these several positions department, in order to install the wireless transmitting terminal that charges on layer board 6.

The charging condition of the storage battery 18 can be set, that is, when the storage battery 18 meets the charging condition, the wireless charging receiver 20 can be moved to the nearest wireless charging transmitter 19 for charging by controlling the driving motor 12, wherein the charging condition of the storage battery 18 can be that the electric quantity of the storage battery 18 is lower than a set electric quantity threshold, or that the shooting time of the camera 3 exceeds a time threshold set by an operator.

The power supply of the nacelle 21 may be a battery for storing the power generated by the wind turbine in the nacelle 21, and the power supply of the nacelle 21 may be provided with a transformer, an ac/dc converter, and other devices according to actual use requirements, so as to meet the charging requirement of the storage battery 18.

It should be noted that, in the description of the present disclosure, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present disclosure, "a plurality" means two or more unless otherwise specified.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps in the process, and alternate implementations are included within the scope of the preferred embodiment of the present disclosure in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present disclosure.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means 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 present disclosure. In this specification, the schematic representations of the terms used above do not necessarily 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.

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

Claims

1. A monitoring system for a wind turbine nacelle, comprising:

an annular frame disposed within the nacelle;

the moving frame is arranged on the annular frame in a sliding mode along the circumferential direction of the annular frame;

the camera is arranged on the movable frame;

the driving device is arranged between the moving frame and the annular frame and drives the moving frame to move along the circumferential direction of the annular frame.

2. Monitoring system for a wind turbine nacelle according to claim 1, characterised in that a hatch door is provided on the top wall of the nacelle, that the annular frame is close to the top wall of the nacelle, and that the projections of the annular frame and the hatch door onto the top wall of the nacelle in the vertical direction, respectively, do not overlap.

3. Monitoring system for a wind turbine nacelle according to claim 2, characterised in that the side wall of the nacelle is provided with a plurality of pallets, the annular frame being connected to a plurality of the pallets.

4. The monitoring system of the wind driven generator cabin according to claim 3, wherein the movable frame is sleeved on the annular frame, and an avoiding opening is arranged on the movable frame and used for avoiding the supporting plate.

5. The monitoring system of the wind turbine nacelle according to claim 4, wherein the annular frame is provided with an annular guide rail along a circumferential direction of the annular frame, and the moving frame is provided with an annular rail which is slidably connected with the annular guide rail.

6. Monitoring system of a wind turbine nacelle according to claim 1, wherein the drive means comprise:

the rack is arranged on the annular frame along the circumferential direction of the annular frame;

the gear is rotationally arranged on the moving frame and is meshed with the rack;

the driving motor is arranged on the moving frame and is in transmission connection with the gear;

and the driving circuit board is arranged on the movable frame and is electrically connected with the driving motor.

7. Monitoring system of a wind turbine nacelle according to claim 6, further comprising:

the control box is arranged in the cabin and is respectively in wireless connection with the driving circuit board and the camera;

the monitoring center is arranged on the ground, and the control box is electrically connected with the monitoring center.

8. Monitoring system of a wind turbine nacelle according to claim 7, characterised in that it further comprises:

the first wireless signal transceiver is arranged in the cabin and is electrically connected with the control box;

the second wireless signal receiving and transmitting device is arranged on the movable frame and electrically connected with the driving circuit board and the camera respectively, and the control box is wirelessly connected with the driving circuit board and the camera through the first wireless signal receiving and transmitting device and the second wireless signal receiving and transmitting device.

9. Monitoring system of a wind turbine nacelle according to any of the claims 1-8, further comprising:

and the storage battery is electrically connected with the camera and the driving device respectively.

10. Monitoring system of a wind turbine nacelle according to claim 9, characterised in that it further comprises:

the wireless charging sending terminal is arranged on the annular frame and is connected with a power supply of the engine room;

the wireless charging receiving end is arranged on the movable frame and electrically connected with the storage battery, and the wireless charging receiving end is matched with the wireless charging transmitting end for use.