Wireless charging device and electric moped

Abstract

The utility model belongs to the technical field of electric mopeds, and discloses a wireless charging device and an electric moped.The wireless charging device is used for charging a battery of the electric moped.The wireless charging device comprises a receiving unit and a transmitting unit, the receiving unit is installed on a mopedan body of the electric mopedan and used for being electrically connected with the battery, and the transmitting unit is installed on the mopedan body of the electric mopedan. The receiving unit is provided with a mounting groove, the transmitting unit is used for being electrically connected with an external power supply, and the transmitting unit can be inserted into the mounting groove and is insulated from the receiving unit. The receiving unit is provided with a first limiting structure, and the transmitting unit is provided with a second limiting structure which is in limiting connection with the first limiting structure. According to the wireless charging device, charging of the battery of the electric moped can be conveniently and safely achieved, and the user experience is good.

Description

Technical Field

[0001] The utility model relates to the technical field of electric assist vehicles, in particular to a wireless charging device and an electric assist vehicle. Background Art

[0002] At present, electric assist vehicles have become common social means of transportation, with wide application scope and high environmental protection value, and have high prospects and development. A rechargeable power source is usually provided on an electric assist vehicle. In the prior art, there are usually two charging methods for the power source. The first is that the power source and the vehicle body are of a detachable connection structure, and the power source is removed from the vehicle body and charged during the charging process. This charging method is relatively complex in operation, and the power source is prone to damage during the charging process. The second is that a charging socket is provided on the vehicle body, and the charging socket is charged with an external charging pile or other devices through a plug structure. Although the operation of this charging method is relatively convenient, the safety of this charging method is relatively poor. Summary of the Utility Model

[0003] The first object of the utility model is to provide a wireless charging device, which can conveniently and safely charge the battery of an electric assist vehicle, and has a good user experience.

[0004] The second object of the utility model is to provide an electric assist vehicle, which can conveniently and safely charge the battery, and has a good user experience.

[0005] To achieve the above object, the utility model adopts the following technical solutions:

[0006] The utility model discloses a wireless charging device, which is used to charge the battery of an electric assist vehicle. The wireless charging device includes: a receiving unit, which is installed on the vehicle body of the electric assist vehicle and is used for electrically connecting with the battery. The receiving unit has an installation groove; a transmitting unit, which is used for electrically connecting with an external power source. The transmitting unit can be inserted into the installation groove and is insulated from the receiving unit; wherein: a first limiting structure is provided on the receiving unit, and a second limiting structure which is limit-connected with the first limiting structure is provided on the transmitting unit.

[0007] In some embodiments, one of the first limiting structure and the second limiting structure is a limiting protrusion, and the other of the first limiting structure and the second limiting structure is a limiting groove.

[0008] In some embodiments, both the first limiting structure and the second limiting structure are magnetic members, or: one of the first limiting structure and the second limiting structure is a magnetic member, and the other of the first limiting structure and the second limiting structure is a metal member, and the magnetic member can attract the metal member.

[0009] In some specific embodiments, both the first limiting structure and the second limiting structure are annular members. A first annular groove for accommodating the first limiting structure is provided on the bottom wall of the installation groove; a second annular groove for accommodating the second limiting structure is provided on the bottom wall of the transmitting unit.

[0010] In some embodiments, the transmitting unit includes a transmitting coil and a protective shell sleeved outside the transmitting coil, and the outer side wall of the protective shell forms a smooth and angular-free streamline-shaped wall surface.

[0011] In some embodiments, a guiding protrusion is provided on one of the inner side wall of the installation groove and the outer side wall of the transmitting unit, and a guiding groove cooperating with the guiding protrusion is provided on the other of the inner side wall of the installation groove and the outer side wall of the transmitting unit.

[0012] In some embodiments, a recessed portion is provided on one of the bottom wall of the installation groove and the bottom wall of the transmitting unit, and a protruding portion cooperating with the recessed portion is provided on the other of the bottom wall of the installation groove and the bottom wall of the transmitting unit.

[0013] In some embodiments, a locking portion is provided on the transmitting unit. The wireless charging device further includes a wire harness buckle, which is detachably connected to the locking portion, and the wire harness buckle is used to lock the wire of the external power supply to the transmitting unit; a handle is provided on the wire harness buckle.

[0014] In some embodiments, a charging indicator light is provided on the transmitting unit; and / or;

[0015] At least one liquid discharge port communicating with the installation groove is provided on the receiving unit.

[0016] The present utility model also discloses an electric power-assisted vehicle, including a vehicle body, a battery, and the wireless charging device described above. The battery is installed on the vehicle body, and the receiving unit of the wireless charging device is installed on the vehicle body and is electrically connected to the battery.

[0017] Advantages of the wireless charging device of the present utility model: When it is necessary to charge the battery of an electric power-assisted vehicle, only need to insert the transmitting unit into the installation groove, and make the first limiting structure and the second limiting structure be connected in a limiting manner to ensure that the transmitting unit can be stably held in the receiving unit, and then connect the external power supply to the transmitting unit. The connection method can be that the transmitting unit has a plug-in terminal to be plugged into the external power supply. Thus, compared with the charging method of removing the battery, the charging operation disclosed in this embodiment is more convenient, and the charging is achieved through the interaction of the internal coils between the transmitting unit and the receiving unit. Even if foreign objects enter the installation groove, it will not affect the normal charging process, ensuring the reliability and safety of the charging process.

[0018] Advantages of the electric power-assisted vehicle of the present utility model: Due to having the wireless charging device described above, the electric power-assisted vehicle can conveniently and safely charge the battery, and the user experience is better.

[0019] Additional aspects and advantages of the present utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present utility model. Description of the Drawings

[0020] Figure 1 is a schematic structural diagram of the wireless charging device according to an embodiment of the present utility model;

[0021] Figure 2 is a schematic structural diagram of one end of the wireless charging device according to an embodiment of the present utility model along its length direction;

[0022] Figure 3 is a schematic structural diagram of the other end of the wireless charging device according to an embodiment of the present utility model along its length direction;

[0023] Figure 4 is a cross-sectional view of the wireless charging device according to an embodiment of the present utility model;

[0024] Figure 5 is an exploded structural diagram of the wireless charging device according to an embodiment of the present utility model.

[0025] Reference Signs:

[0026] 100, receiving unit; 110, installation groove; 120, protruding portion; 130, drain port;

[0027] 200, transmitting unit; 210, recessed portion; 220, locking portion;

[0028] 300, first limiting structure; 400, second limiting structure; 500, wire harness buckle; 510, handle; 600, charging indicator light. Detailed Embodiments

[0029] The present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. In addition, it should be noted that for the sake of convenience of description, only the parts related to the present utility model rather than all the structures are shown in the accompanying drawings.

[0030] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0031] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over", and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the first feature is at a higher horizontal height than the second feature. The first feature being "below", "under", and "beneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely means that the first feature is at a lower horizontal height than the second feature.

[0032] In the description of this embodiment, the orientation or positional relationships such as "above", "below", "right", etc. are based on the orientation or positional relationships shown in the accompanying drawings. It is only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meanings.

[0033] The present utility model discloses a wireless charging device, and the wireless charging device is used to charge the battery of an electric scooter. Refer to Figure 1 and Figure 5As shown in the figure, the wireless charging device includes a receiving unit 100 and a transmitting unit 200. The receiving unit 100 is installed on the vehicle body of the electric scooter and is used for electrically connecting with the battery. The receiving unit 100 has an installation groove 110. The transmitting unit 200 is used for electrically connecting with an external power supply. The transmitting unit 200 can be inserted into the installation groove 110 and is insulated from the receiving unit 100. A first limiting structure 300 is provided on the receiving unit 100, and a second limiting structure 400 which is limit-connected with the first limiting structure 300 is provided on the transmitting unit 200. It can be understood that when it is necessary to charge the battery of the electric scooter, only need to insert the transmitting unit 200 into the installation groove 110, and make the first limiting structure 300 and the second limiting structure 400 be limit-connected to ensure that the transmitting unit 200 can be stably held in the receiving unit 100, and then connect the external power supply with the transmitting unit 200. The connection method can be that the transmitting unit 200 has a plug-in terminal for plugging with the external power supply. Thus, compared with the charging method of removing the battery, the charging operation disclosed in this embodiment is more convenient, and the charging is realized through the interaction of the internal coils between the transmitting unit 200 and the receiving unit 100. Even if foreign objects enter the installation groove 110, it will not affect the normal charging process, ensuring the reliability and safety of the charging process.

[0034] Reference Figure 4-Figure 5 As shown in the figure, both the first limiting structure 300 and the second limiting structure 400 are magnetic parts. It can be understood that during the actual working process, when the transmitting unit 200 is inserted into the installation groove 110, the two magnetic parts can be adsorbed together, so as to ensure that the transmitting unit 200 can be stably held in the receiving unit 100, and due to the magnetic adsorption, the transmitting unit 200 will not accidentally fall out of the receiving unit 100, which is beneficial to ensuring the stability of the charging process.

[0035] Optionally, both the first limiting structure 300 and the second limiting structure 400 are annular parts. A first annular groove for accommodating the first limiting structure 300 is provided on the bottom wall of the installation groove 110; a second annular groove for accommodating the second limiting structure 400 is provided on the bottom wall of the transmitting unit 200. It can be understood that both the first limiting structure 300 and the second limiting structure 400 are annular parts, which can reduce the weight of the first limiting structure 300 and the second limiting structure 400 while ensuring their stable attraction, which is beneficial to the lightweight design of the wireless charging device. In addition, it can avoid the phenomenon that the area of the magnetic part is too large and affects the normal charging process.

[0036] In an alternative embodiment, one of the first limiting structure 300 and the second limiting structure 400 is a magnetic part, and the other of the first limiting structure 300 and the second limiting structure 400 is a metal part, and the magnetic part can attract the metal part.

[0037] In an alternative embodiment, one of the first limiting structure 300 and the second limiting structure 400 is a limiting protrusion, and the other of the first limiting structure 300 and the second limiting structure 400 is a limiting groove. It can be understood that during the actual charging process, when the transmitting unit 200 is inserted into the installation groove 110, the limiting protrusion can be inserted into the limiting groove, and the transmitting unit 200 can be fixed in the receiving unit 100 through the cooperation of the limiting protrusion and the limiting groove, which is beneficial to ensuring the normal progress of the charging process. In the embodiments of the present utility model, parameters such as the number, shape, and arrangement mode of the limiting grooves and limiting protrusions can be selected according to actual needs.

[0038] Optionally, referring to Figure 4 As shown, the transmitting unit 200 includes a transmitting coil and a protective shell sleeved outside the transmitting coil, and the outer side wall of the protective shell is formed into a smooth and angular-free streamline-shaped wall surface. It can be understood that the protective shell can play a good role in protecting the transmitting coil, which is beneficial to extending the service life of the transmitting coil, and thus is beneficial to extending the life of the wireless charging device. The outer side wall of the protective shell is formed into a smooth and angular-free streamline-shaped wall surface. If liquid enters the installation groove 110, it can also flow out along the outer side wall of the protective shell, thereby avoiding faults caused by liquid accumulation in the installation groove 110 and being beneficial to improving the working reliability of the wireless charging device.

[0039] Optionally, a guiding protrusion is provided on one of the inner side wall of the installation groove 110 and the outer side wall of the transmitting unit 200, and a guiding groove cooperating with the guiding protrusion is provided on the other of the inner side wall of the installation groove 110 and the outer side wall of the transmitting unit 200. It can be understood that during the process of inserting the transmitting unit 200 into the installation groove 110, the mutual cooperation of the guiding protrusion and the guiding groove can play a guiding role for the transmitting unit 200, thereby ensuring that the transmitting unit 200 is stably and smoothly inserted into the installation groove 110. In some embodiments, a guiding protrusion is provided on the inner side wall of the installation groove 110, and a guiding groove is provided on the outer side wall of the transmitting unit 200; in some embodiments, a guiding groove is provided on the inner side wall of the installation groove 110, and a guiding protrusion is provided on the outer side wall of the transmitting unit 200. The shape, quantity, and distribution form of the guiding protrusion and the guiding groove can be adjusted according to actual needs.

[0040] Optionally, referring to Figure 4 As shown, a recessed portion 210 is provided on one of the bottom wall of the installation groove 110 and the bottom wall of the transmitting unit 200, and a protruding portion 120 cooperating with the recessed portion 210 is provided on the other of the bottom wall of the installation groove 110 and the bottom wall of the transmitting unit 200. It can be understood that through the cooperation of the recessed portion 210 and the protruding portion 120, better support can be provided for the transmitting unit 200, ensuring its stability, optimizing the distribution of the load, and thus being beneficial to increasing the safety and durability of the wireless charging device.

[0041] Optional, reference Figure 4-Figure 5 As shown, the transmitter unit 200 is provided with a locking portion 220. The wireless charging device also includes a wire harness lock 500, which is detachably connected to the locking portion 220 and is used to lock the wires of the external power supply to the transmitter unit 200. The wire harness lock 500 is also provided with a handle 510. It will be understood that the wire harness lock 500 is a small component used to secure the wires, compressing and securing them in the desired position, thereby ensuring the safety of the wires and a stable connection with the transmitter unit 200. The added handle 510 provides a convenient gripping point, making it easy to move the transmitter unit 200 from one location to another by grasping the handle 510, reducing labor consumption.

[0042] Optional, reference Figure 2 As shown, the transmitter unit 200 is provided with a charging indicator light 600. The charging indicator light 600 can display the operating status of the wireless charging device. When the indicator light is on, it indicates that the device is reliably connected. When the indicator light flashes, it indicates that the device is in operation. When the indicator light is off, it indicates that the device is not connected and is in standby or off mode.

[0043] Optional, reference Figure 3 As shown, the receiving unit 100 is provided with at least one drain port 130 connected to the mounting groove 110. The drain port 130 can effectively drain rainwater, so that the mounting groove 110 always maintains a dry environment, thereby ensuring the working reliability of the wireless charging device.

[0044] The utility model also discloses an electric power-assisted bicycle, comprising a bicycle body, a battery, and the aforementioned wireless charging device. The battery is mounted on the bicycle body, and a receiving unit 100 of the wireless charging device is mounted on the bicycle body and electrically connected to the battery. Due to the aforementioned wireless charging device, the electric power-assisted bicycle can conveniently and safely charge the battery, providing a good user experience.

[0045] Throughout this specification, references to "some embodiments," "other embodiments," and the like indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0046] Obviously, the above embodiments of the present utility model are merely examples for clearly illustrating the present utility model, rather than limitations on the implementation manners of the present utility model. For those of ordinary skill in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present utility model. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the claims of the present utility model.

Claims

1. A wireless charging device, characterized in that, The wireless charging device is used to charge the battery of an electric scooter, and the wireless charging device includes: A receiving unit (100), which is installed on the vehicle body of the electric scooter and is used for electrically connecting with the battery. The receiving unit (100) has a mounting groove (110); A transmitting unit (200), which is used for electrically connecting with an external power supply. The transmitting unit (200) can be inserted into the mounting groove (110) and is insulated from the receiving unit (100); wherein: A first limiting structure (300) is provided on the receiving unit (100), and a second limiting structure (400) that is limit-connected with the first limiting structure (300) is provided on the transmitting unit (200).

2. The wireless charging device according to claim 1, wherein One of the first limiting structure (300) and the second limiting structure (400) is a limiting protrusion, and the other of the first limiting structure (300) and the second limiting structure (400) is a limiting groove.

3. The wireless charging device according to claim 1, characterized in that Both the first limiting structure (300) and the second limiting structure (400) are magnetic parts, or: One of the first limiting structure (300) and the second limiting structure (400) is a magnetic part, and the other of the first limiting structure (300) and the second limiting structure (400) is a metal part, and the magnetic part can attract the metal part.

4. The wireless charging device according to claim 3, wherein, Both the first limiting structure (300) and the second limiting structure (400) are annular parts. A first annular groove for accommodating the first limiting structure (300) is provided on the bottom wall of the mounting groove (110); a second annular groove for accommodating the second limiting structure (400) is provided on the bottom wall of the transmitting unit (200).

5. The wireless charging device according to claim 1, characterized in that, The transmitting unit (200) includes a transmitting coil and a protective shell sleeved outside the transmitting coil. The outer side wall of the protective shell is formed into a smooth and angular-free streamline wall surface.

6. The wireless charging device according to claim 1, wherein A guiding protrusion is provided on one of the inner side wall of the mounting groove (110) and the outer side wall of the transmitting unit (200), and a guiding groove that cooperates with the guiding protrusion is provided on the other of the inner side wall of the mounting groove (110) and the outer side wall of the transmitting unit (200).

7. The wireless charging device according to claim 1, wherein A recessed part (210) is provided on one of the bottom wall of the mounting groove (110) and the bottom wall of the transmitting unit (200), and a protruding part (120) that cooperates with the recessed part (210) is provided on the other of the bottom wall of the mounting groove (110) and the bottom wall of the transmitting unit (200).

8. The wireless charging device according to claim 1, wherein A locking part (220) is provided on the transmitting unit (200). The wireless charging device further includes a wire harness buckle (500), which is detachably connected to the locking part (220). The wire harness buckle (500) is used to lock the wire of the external power supply to the transmitting unit (200); a handle (510) is provided on the wire harness buckle (500).

9. The wireless charging device according to claim 1, wherein A charging indicator light (600) is provided on the transmitting unit (200); and / or; At least one liquid discharge port (130) communicating with the installation groove (110) is provided on the receiving unit (100).

10. An electric assist vehicle, characterized in that, It includes a vehicle body, a battery, and the wireless charging device according to any one of claims 1-9. The battery is installed on the vehicle body, and the receiving unit (100) of the wireless charging device is installed on the vehicle body and electrically connected to the battery.

Images