Wireless charging device and wireless charging system

Abstract

This application discloses a wireless charging device and system, including a transmitting device, a receiving device, and a connecting part. The transmitting device includes a transmitting shell, a transmitting coil, and a transmitting magnetic shielding sheet, with the transmitting coil and the transmitting magnetic shielding sheet both disposed within a first receiving groove. The receiving device includes a receiving shell, a receiving coil, a receiving magnetic shielding sheet, and a charging cable. The receiving shell has a first receiving cavity, within which the receiving coil and the receiving magnetic shielding sheet are disposed. The receiving shell has a first through hole, through which the charging cable passes and connects to the receiving coil and the power storage device of an electric device. The connecting part is connected to the receiving shell and is used to connect to the foot support of the electric device. When the foot support of the electric device is lowered and placed on the first surface of the transmitting shell of the transmitting device, the receiving coil inside the receiving shell can directly engage with the transmitting coil inside the transmitting shell, enabling the electric device to be charged immediately upon stopping, improving the convenience and efficiency of wireless charging.

Description

Technical Field

[0001] This application relates to the field of charging technology, and in particular to a wireless charging device and a wireless charging system. Background Technology

[0002] Due to its convenience, wireless charging is becoming increasingly popular. In recent years, products such as electric bicycles and electric scooters have begun to adopt wireless charging. However, the wireless charging process for these electric devices is relatively cumbersome, requiring users to manually connect the receiver and transmitter after dismounting, which is inconvenient and results in low charging efficiency. Utility Model Content

[0003] This application aims to provide a wireless charging device and a wireless charging system, which are intended to improve the wireless charging efficiency of electric devices such as motorcycles.

[0004] In a first aspect, this application proposes a wireless charging device, including a transmitting device, a receiving device, and a connecting part. The transmitting device includes a transmitting shell, a transmitting coil, and a transmitting magnetic shielding sheet. The transmitting shell includes a first surface and a second surface disposed opposite to each other; the first surface supports the receiving device, and the second surface has a first receiving groove, in which the transmitting coil and the transmitting magnetic shielding sheet are both disposed. Along the direction from the second surface to the first surface, the transmitting magnetic shielding sheet covers the transmitting coil. The receiving device includes a receiving shell, a receiving coil, a receiving magnetic shielding sheet, and a charging cable. The receiving shell includes a base plate for contacting the first surface, and has a first receiving cavity, in which the receiving coil and the receiving magnetic shielding sheet are both disposed. Along the direction from the base plate to the transmitting device, the receiving magnetic shielding sheet covers the receiving coil. The receiving shell has a first through hole, one end of the charging cable is electrically connected to the receiving coil inside the receiving shell, and the other end of the charging cable extends out of the receiving shell from the first through hole, and is used for electrical connection to an electric device. The connecting part is rotatably connected to the receiving shell and is used for connection to the feet of an electric device.

[0005] In the above scheme, the transmitting coil and transmitting magnetic shield in the transmitting device and the receiving coil and receiving magnetic shield in the receiving device transfer electrical energy through electromagnetic induction. The receiving shell has a first through hole, through which the charging cable connects the receiving coil to the power storage device of the electric device, thereby enabling wireless charging of the electric device. The receiving device is mounted on the electric device as a foot support component. When charging is needed, the electric device's foot support is lowered and placed on the first surface of the transmitting shell of the transmitting device. The receiving coil inside the receiving shell can then directly engage with the transmitting coil inside the transmitting shell, enabling the electric device to charge instantly upon stopping, improving the convenience and efficiency of wireless charging. Simultaneously, one end of the charging cable is electrically connected to the receiving coil inside the receiving shell, while the other end extends out of the receiving shell through the first through hole and is electrically connected to the electric device. This reduces the impact of the charging cable on the rotation of the connection part, allowing for a larger rotation angle and improving the adaptability of the wireless charging device.

[0006] In some embodiments, the transmitter housing further includes a second receiving slot disposed on the first surface, the second receiving slot being used to receive the receiver housing. Having a second receiving slot in the transmitter housing and placing the receiver housing in the second receiving slot for charging facilitates rapid positioning of the transmitter device and provides stability during charging of the receiver housing, thus improving charging efficiency.

[0007] In some embodiments, the transmitter housing further includes a drainage channel disposed on the first surface and communicating with a second receiving slot. The drainage channel on the first surface of the transmitter housing reduces the impact of rain and snow on the wireless charging device, making it adaptable to various harsh environments. Multiple drainage channels can be provided, distributed on the first surface according to the terrain.

[0008] In some embodiments, the receiving housing includes a joint cavity and a joint shaft, and the mechanical connector includes a joint rod and a connecting rod, with the joint shaft disposed within the joint cavity. Along the axial direction of the joint rod, the joint rod includes a first end and a second end disposed opposite to each other. The first end is provided with a movable joint, which is rotatably disposed within the joint cavity about the joint shaft. The second end is connected to the connecting rod. The joint rod and connecting rod allow for greater flexibility in the connection. The movable joint at the first end of the joint rod and the joint cavity within the receiving housing, with the movable joint rotatably disposed within the joint cavity about the joint shaft, allow for adjustment of the relative angle between the connection and the receiving housing. This facilitates the fit between the base plate and the second surface of the transmitting housing, thereby improving the coordination between the receiving and transmitting devices and increasing charging efficiency.

[0009] In some embodiments, the wireless charging device further includes a drawstring case. A first opening is formed on the side wall of the receiving shell, communicating with the first receiving cavity. The drawstring case is used to be placed into the first receiving cavity through the first opening. The drawstring case, by placing the receiving coil and the receiving magnetic shielding sheet inside, provides effective protection for the receiving coil and the receiving magnetic shielding sheet. The drawstring case may have a pull plate and a snap-fit ​​connector. The pull plate allows for easy removal, and the inner wall of the receiving shell may have a snap-fit ​​interface that, in conjunction with the snap-fit ​​connector, further enhances the stability of the receiving shell.

[0010] In some embodiments, the connecting rod has a movable groove along its axial direction, and a mounting hole is formed on its outer surface, communicating with the movable groove. A first adjustment hole, a second adjustment hole, and a third adjustment hole are formed at the second end, which is disposed within the movable groove. The second end is configured to move axially within the movable groove along the connecting rod. When the second end moves axially within the movable groove, the mounting hole engages with either the first or second adjustment hole. The connecting rod also includes a locking member, which passes through the mounting hole and the first adjustment hole, the mounting hole and the second adjustment hole, or the mounting hole and the third adjustment hole, to adjust the length of the joint rod within the movable groove. The provision of the first adjustment hole, the second adjustment hole, the third adjustment hole, the movable groove, and the mounting hole, along with the locking member to adjust the length of the joint rod within the movable groove, allows for greater flexibility in the length of the connection, facilitating easier integration of the receiving device with the transmitting device and improving the efficiency of wireless charging.

[0011] In some embodiments, the connecting rod includes a spring mounting post disposed on the outer surface of the connecting rod. By providing the spring mounting post, a spring can be mounted on both the spring mounting post and the electric device. When the connecting rod provides support force, the spring can provide elasticity, which helps improve the stability of the wireless charging device.

[0012] In some embodiments, the wireless charging device further includes a kick block disposed on the outer surface of the connecting rod. The kick block on the connecting rod allows the receiving device to be placed more conveniently by the user, thus improving the efficiency of wireless charging.

[0013] In some embodiments, the wireless charging device further includes a detection light. The receiver housing has a light position hole, and the detection light includes a light panel and a bulb. The light panel is disposed within a first receiving cavity, and the bulb is disposed on the light panel and protrudes from the light position hole. The presence of a light position hole and a detection light in the receiver housing can alert the user to the wireless charging status.

[0014] Secondly, this application also proposes a wireless charging system, characterized in that it includes an electric device and a wireless charging device as described in any embodiment of the first aspect, wherein a charging cable is connected between a receiving coil and a power storage device of the electric device.

[0015] Additional aspects and advantages of the embodiments of this application will be described, shown, or illustrated in part by way of implementation of the embodiments of this application in the following description. Attached Figure Description

[0016] One or more embodiments are illustrated by way of example with reference to the accompanying drawings, which are not intended to limit the embodiments, and elements having the same reference numerals in the drawings are designated as similar elements.

[0017] Figure 1 This is a cross-sectional view of a wireless charging device according to some embodiments of this application;

[0018] Figure 2 This is a cross-sectional view of a portion of the structure of a wireless charging device according to some embodiments of this application;

[0019] Figure 3 This is a cross-sectional view of the launching structure of some embodiments of this application;

[0020] Figure 4 This is an exploded view of a portion of the structure of a wireless charging device according to some embodiments of this application;

[0021] Figure 5 This is a schematic diagram of the structure of a wireless charging device according to some embodiments of this application;

[0022] Figure 6 This is a schematic diagram of the structure of a wireless charging device according to some embodiments of this application.

[0023] Explanation of reference numerals in the attached drawings: 1. Transmitting device; 11. Transmitting casing; 1101. First surface; 1102. Second surface; 111. First receiving groove; 112. Second receiving groove; 113. Drainage groove; 12. Transmitting coil; 13. Transmitting magnetic shielding sheet;

[0024] 2. Receiving device; 21. Receiving shell; 211. First receiving cavity; 212. Base plate; 213. First through hole; 214. Joint cavity; 215. Joint shaft; 216. First opening; 217. Lamp position hole; 22. Receiving coil; 23. Receiving magnetic shielding sheet; 24. Charging cable;

[0025] 3. Connecting part; 31. Joint rod; 311. First end; 3111. Movable joint; 312. Second end; 3121. First adjustment hole; 3122. Second adjustment hole; 3123. Third adjustment hole; 32. Connecting rod; 321. Movable groove; 322. Mounting hole; 323. Locking element; 324. Spring mounting post;

[0026] 4. Kick the block;

[0027] 5. Detection lamp; 51. Lamp board; 52. Light bulb;

[0028] 6. Shell extraction; 61. Pull-out plate; 62. Snap-fit ​​component. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this application, but not all embodiments.

[0030] In this application, the reference to "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment that is mutually exclusive with other embodiments.

[0031] In the description of the embodiments of this application, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0032] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0033] The technical features involved in the different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.

[0034] Firstly, this application proposes a wireless charging device, including a transmitting device 1, a receiving device 2, and a connecting part 3. Specifically, please refer to... Figures 1 to 3The transmitting device 1 includes a transmitting shell 11, a transmitting coil 12, and a transmitting magnetic shielding sheet 13. The transmitting shell 11 includes a first surface 1101 and a second surface 1102 disposed opposite to each other. The first surface 1101 is used to support the receiving device 2, and the second surface 1102 is provided with a first receiving groove 111, in which the transmitting coil 12 and the transmitting magnetic shielding sheet 13 are both disposed. Along the direction from the second surface 1102 to the first surface 1101, the transmitting magnetic shielding sheet 13 covers the transmitting coil 12. The receiving device 2 includes a receiving shell 21, a receiving coil 22, a receiving magnetic shielding sheet 23, and a charging cable 24. The receiving shell 21 includes a base plate 212 for fitting against the first surface 1101. The receiving shell 21 has a first receiving cavity 211, in which the receiving coil 22 and the receiving magnetic shielding sheet 23 are both disposed. Along the direction from the base plate 212 to the transmitting device 1, the receiving magnetic shielding sheet 23 covers the receiving coil 22. The receiving housing 21 has a first through hole 213. One end of the charging cable 24 is electrically connected to the receiving coil 22 inside the receiving housing 21, and the other end of the charging cable 24 extends out of the receiving housing 21 through the first through hole 213. The other end of the charging cable 24 is used for electrical connection with the electric device. The connecting part 3 is rotatably connected to the receiving housing 21 and is used for connection with the foot support of the electric device.

[0035] In the above scheme, the transmitting coil 12 and transmitting magnetic shielding sheet 13 in the transmitting device 1 and the receiving coil 22 and receiving magnetic shielding sheet 23 in the receiving device 2 transmit electrical energy through electromagnetic induction. The receiving shell 21 has a first through hole 213, through which the charging cable 24 can connect the receiving coil 22 to the power storage device of the electric device, thereby enabling wireless charging of the electric device. The receiving device 2 is installed on the electric device as a foot support component. When charging is required, the electric device foot support is lowered and placed on the first surface 1101 of the transmitting shell 11 of the transmitting device 1. The receiving coil 22 inside the receiving shell 21 can then directly engage with the transmitting coil 12 inside the transmitting shell 11, enabling the electric device to be charged immediately upon stopping, improving the convenience and efficiency of wireless charging. Meanwhile, one end of the charging cable 24 is electrically connected to the receiving coil 22 inside the receiving shell 21, and the other end of the charging cable 24 extends out of the receiving shell 21 through the first through hole 213 and is electrically connected to the electric device. This reduces the influence of the charging cable 24 on the rotation of the connecting part 3, which helps the connecting part 3 to have a larger rotation angle and improves the adaptability of the wireless charging device.

[0036] In some embodiments, please refer to Figure 1 and Figure 3The transmitter housing 11 also includes a second receiving groove 112, which is disposed on the first surface 1101 and is used to receive the receiver housing 21. The second receiving groove 112 in the transmitter housing 11, where the receiver housing 21 is placed for charging, facilitates rapid positioning of the transmitter device 1 and improves the stability of the receiver housing 21 during charging, thus increasing charging efficiency.

[0037] In some embodiments, please refer to Figure 1 and Figure 3 The launch casing 11 also includes a drainage channel 113, which is disposed on the first surface 1101 and communicates with the second receiving slot 112. The drainage channel 113 on the first surface 1101 of the launch casing 11 reduces the impact of rain and snow on the wireless charging device, making it more adaptable to various harsh environments. Multiple drainage channels 113 can be provided, distributed on the first surface 1101 according to the terrain.

[0038] In some embodiments, please refer to Figure 2 and Figure 4 The receiving shell 21 includes a joint cavity 214 and a joint shaft 215. The mechanical connector includes a joint rod 31 and a connecting rod 32. The joint shaft 215 is disposed within the joint cavity 214. Along the axial direction of the joint rod 31, the joint rod 31 includes a first end 311 and a second end 312 disposed opposite to each other. The first end 311 is provided with a movable joint 3111, which is rotatably disposed within the joint cavity 214 around the joint shaft 215. The second end 312 is connected to the connecting rod 32. The joint rod 31 and connecting rod 32 make the connecting part 3 more flexible. A movable joint 3111 is provided at the first end 311 of the joint rod 31, and a joint cavity 214 is opened in the receiving shell 21. The movable joint 3111 is rotatably disposed in the joint cavity 214 around the joint axis 215, which allows the relative angle between the connecting part 3 and the receiving shell 21 to be adjusted. This facilitates the fit between the base plate 212 and the second surface 1102 of the transmitting shell 11, thereby facilitating the cooperation between the receiving device 2 and the transmitting device 1 and improving charging efficiency. The movable joint 3111 can be configured not only as a single-plane rotation shape but also as a spherical shape. If configured as a spherical shape, it increases the degree of freedom and is more conducive to adjusting the angle of the connecting part 3.

[0039] In some embodiments, please refer to Figure 4The wireless charging device also includes a drawer 6. A first opening 216 is provided on the side wall of the receiving shell 21, communicating with the first receiving cavity 211. The drawer 6 is used to be placed into the first receiving cavity 211 through the first opening 216. The drawer 6, by placing the receiving coil 22 and the receiving magnetic shielding sheet 23 inside, provides effective protection for them. The drawer may have a pull plate 61 and a snap-fit ​​connector 62. The pull plate can be easily disassembled, and a snap-fit ​​interface can be provided on the inner wall of the receiving shell 21, which, in conjunction with the snap-fit ​​connector 62, can further improve the stability of the receiving shell 21.

[0040] In some embodiments, please refer to Figure 4 and Figure 5 Along the axial direction of the connecting rod 32, the connecting rod 32 has a movable groove 321, and a mounting hole 322 is formed on the outer surface of the connecting rod 32, which communicates with the movable groove 321. The second end 312 has a first adjustment hole 3121, a second adjustment hole 3122, and a third adjustment hole 3123. The second end 312 is disposed in the movable groove 321 and is configured to move along the axial direction of the connecting rod 32 within the movable groove 321. When the second end 312 moves along the axial direction of the connecting rod 32 within the movable groove 321, the mounting hole 322 is used to engage with either the first adjustment hole 3121 or the second adjustment hole 3122, respectively. The connecting rod 32 also includes a locking member 323, which is used to pass through the mounting hole 322 and the first adjustment hole 3121, the mounting hole 322 and the second adjustment hole 3122, or the mounting hole 322 and the third adjustment hole 3123, to adjust the length of the joint rod 31 within the movable groove 321. The provision of the first adjustment hole 3121, the second adjustment hole 3122, the third adjustment hole 3123, the movable groove 321, and the mounting hole 322, along with the locking member 323 to adjust the length of the joint rod 31 within the movable groove 321, allows for greater flexibility in the length of the connecting part 3, facilitating easier cooperation between the receiving device 2 and the transmitting device 1, and improving the efficiency of wireless charging.

[0041] In some embodiments, please refer to Figure 1 and Figure 2 The connecting rod 32 includes a spring mounting post 324, which is disposed on the outer surface of the connecting rod 32. By providing the spring mounting post 324, a spring can be mounted on both the spring mounting post 324 and the electric device. When the connecting rod 32 provides support, the spring can provide elastic force, which helps improve the stability of the wireless charging device.

[0042] In some embodiments, please refer to Figure 1 and Figure 2The wireless charging device also includes a kick block 4, which is disposed on the outer surface of the connecting rod 32. The kick block 4 on the connecting rod 32 allows the receiver 2 to be placed down more conveniently by the user, thus improving the efficiency of wireless charging.

[0043] In some embodiments, please refer to Figure 1 , Figure 3 as well as Figure 4 The wireless charging device also includes a detection light. The receiver housing 21 has a light position hole 217. The detection light includes a light panel 51 and a bulb 52. The light panel 51 is disposed within the first receiving cavity 211, and the bulb 52 is disposed on the light panel 51 and protrudes from the light position hole 217. By providing the light position hole 217 and installing the detection light in the receiver housing 21, the user can be alerted to the wireless charging status.

[0044] Secondly, this application also proposes a wireless charging system, characterized in that it includes an electric device and a wireless charging device as described in any embodiment of the first aspect, wherein a charging cable 24 is connected between a receiving coil 22 and a power storage device of the electric device.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and not to limit them; under the concept of this application, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of different aspects of this application as described above, which are not provided in detail for the sake of brevity; although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A wireless charging device, characterized in that, Includes a transmitting device, a receiving device, and a connecting part; The transmitting device includes a transmitting shell, a transmitting coil, and a transmitting magnetic shielding sheet. The transmitting shell includes a first surface and a second surface disposed opposite to each other. The first surface is used to support the receiving device, and the second surface is provided with a first receiving groove. The transmitting coil and the transmitting magnetic shielding sheet are both disposed in the first receiving groove. Along the direction from the second surface to the first surface, the transmitting magnetic shielding sheet covers the transmitting coil; The receiving device includes a receiving shell, a receiving coil, a receiving magnetic shielding sheet, and a charging cable; the receiving shell includes a base plate for attaching to the first surface, the receiving shell has a first receiving cavity, the receiving coil and the receiving magnetic shielding sheet are both disposed in the first receiving cavity, and the receiving magnetic shielding sheet covers the receiving coil along the direction from the base plate to the transmitting device; The receiving shell has a first through hole. One end of the charging cable is electrically connected to the receiving coil inside the receiving shell, and the other end of the charging cable extends out of the receiving shell from the first through hole. The other end of the charging cable is used to electrically connect to an electric device. The connecting part is rotatably connected to the receiving shell, and the connecting part is used to connect to the foot support of the electric device.

2. The wireless charging device according to claim 1, characterized in that, The transmitting shell also includes a second receiving groove disposed on the first surface, the second receiving groove being used to receive the receiving shell.

3. The wireless charging device according to claim 2, characterized in that, The launch casing also includes a drainage channel, which is disposed on the first surface and communicates with the second receiving channel.

4. The wireless charging device according to claim 1, characterized in that, The receiving shell includes a joint cavity and a joint shaft, the connecting part includes a joint rod and a connecting rod, and the joint shaft is disposed within the joint cavity; Along the axial direction of the joint rod, the joint rod includes a first end and a second end disposed opposite to each other. The first end is provided with a movable joint, which is rotatably disposed in the joint cavity about the joint axis. The second end is connected to the connecting rod.

5. The wireless charging device according to claim 1, characterized in that, The wireless charging device also includes a shell extraction mechanism; The receiving shell has a first opening on its side wall, which communicates with the first receiving cavity. The shell is used to place the shell into the first receiving cavity through the first opening.

6. The wireless charging device according to claim 4, characterized in that, Along the axial direction of the connecting rod, the connecting rod has a movable groove, and the outer surface of the connecting rod has a mounting hole that communicates with the movable groove; The second end has a first adjustment hole, a second adjustment hole, and a third adjustment hole. The second end is disposed within the movable groove and is configured to move axially along the connecting rod within the movable groove. When the second end moves along the axial direction of the connecting rod within the movable groove, the mounting hole is used to engage with either the first adjusting hole or the second adjusting hole, respectively. The connecting rod also includes a locking member, which is used to pass through the mounting hole and the first adjustment hole, the mounting hole and the second adjustment hole, or the mounting hole and the third adjustment hole to adjust the length of the joint rod in the movable groove.

7. The wireless charging device according to claim 4, characterized in that, The connecting rod includes a spring mounting post, which is disposed on the outer surface of the connecting rod.

8. The wireless charging device according to claim 4, characterized in that, The wireless charging device also includes a kick block, which is disposed on the outer surface of the connecting rod.

9. The wireless charging device according to claim 1, characterized in that, The wireless charging device also includes a detection light. The receiver housing has a light position hole. The detection light includes a light panel and a light bulb. The light panel is disposed in the first receiving cavity, and the light bulb is disposed on the light panel and protrudes from the light position hole.

10. A wireless charging system, characterized in that, The device includes an electric device and a wireless charging device as described in any one of claims 1 to 9, wherein the charging cable is connected between the receiving coil and the energy storage device of the electric device.

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