A wireless charging structure for mobile devices

Abstract

The present invention relates to a wireless charging structure for mobile devices, including a top cover, a shell and a chassis, wherein an opening is provided at the top of the shell, and a coil and a support frame are provided inside; a PCB board and a motor are provided on the chassis, the motor is electrically connected to the PCB board, and a transmission assembly is provided between the motor and the top cover; the top cover is lifted and opened and closed on the opening of the shell through the cooperation of the transmission assembly and the motor; the mobile device is placed on the support frame when the opening is open, and wireless charging is achieved through the coil when the opening is closed. By using the cooperation of the transmission assembly and the motor, the top cover can be lifted and opened and closed on the opening of the shell, so that users can wirelessly charge different types and a large number of mobile devices at the same time, thereby improving the use range of the product and the user's experience; the top cover, and / or the shell, and / or the chassis are also provided with an anti-radiation coating, which can prevent radiation damage to the user, so that the user can wirelessly charge the mobile device safely and reliably.

Description

Technical Field

[0001] The invention relates to a wireless charging structure for a mobile device. Background Art

[0002] Existing charging devices mostly use power cords and matching power adapters to charge mobile devices such as mobile phones, bracelets, and watches. As wireless charging technology becomes more and more mature, a wireless charging device has emerged. As long as the mobile device is placed on the surface of the wireless charging device that generates radiation during operation, the charging induction coil in the wireless charging device can charge the mobile device through electromagnetic induction.

[0003] For example, the Chinese patent document number CN208862917U disclosed a mobile phone wireless charging lifting stand on May 14, 2019, which includes a base bottom cover, a base upper cover is arranged on the top of the base bottom cover, counterweights are arranged on the front and rear sides of the base bottom cover, a battery pack is arranged inside the base bottom cover, a power board is arranged at the bottom of the base upper cover, a base light guide column is arranged on the surface of the power board, a base button is arranged on the surface of the power board, a base joint seat is arranged on the rear side of the top of the base upper cover, a telescopic rod lower joint seat is arranged on the top of the base joint seat, a telescopic rod assembly is arranged on the top of the telescopic rod lower joint seat, and a telescopic rod upper joint seat is arranged on the top of the telescopic rod assembly. It is said that the above structure is to arrange sliding blocks at both ends of the bottom cover of the mobile phone card holder, drive the two sliding blocks with gears, and clamp the mobile phone with claws, and use the wireless charging ring plate to wirelessly charge the mobile phone, so as to facilitate the operation of wireless charging of the mobile phone and improve the use function of the charging stand. However, the above bracket can only wirelessly charge one mobile phone, which has great limitations in use. At the same time, the wireless charging ring plate is only shielded by the upper cover of the mobile phone card holder, and it will generate radiation when working. This radiation is not effectively blocked, affecting the safety of users. Therefore, further improvement is necessary. Summary of the invention

[0004] The purpose of the present invention is to provide a wireless charging structure for mobile devices to overcome the shortcomings of the prior art, such as large usage limitations and unblockable radiation.

[0005] A wireless charging structure for a mobile device designed for this purpose comprises a top cover, a shell and a chassis, and is characterized in that: an opening is arranged at the top of the shell, and a coil and a support frame are arranged inside; a PCB board and a motor are arranged on the chassis, the motor is electrically connected to the PCB board, and a transmission assembly is arranged between the motor and the top cover; the top cover is lifted and opened and closed on the opening of the shell by the cooperation of the transmission assembly and the motor; the mobile device is placed on the support frame when the opening is open, and wireless charging is achieved through the coil when the opening is closed.

[0006] The top cover, and / or the outer shell, and / or the bottom plate are also provided with a radiation protection coating.

[0007] The transmission assembly includes a rotating screw and a lifting screw; one end of the rotating screw is transmission connected to the motor, the other end of the rotating screw is threadedly transmission connected to one end of the lifting screw, and the other end of the lifting screw is fixedly connected to the top cover; the top cover is opened and closed on the opening of the shell through the cooperation of the motor, the rotating screw and the lifting screw.

[0008] A guide rod is also fixedly arranged on the chassis; the rotating screw is driven by the motor to rotate in the guide rod; the lifting screw is sleeved in the guide rod through the matching guide lifting of the motor and the rotating screw.

[0009] The coil is respectively provided with fixing rings at the upper and lower positions, and is fixed inside the shell through the fixing rings; the support frame is fixed inside the coil, and is provided with at least one supporting space for supporting and placing a mobile device, and the support frame is also provided with a cushion block corresponding to the supporting space.

[0010] The support frame is triangular or polygonal in shape and is provided with a plurality of support spaces. The support frame is detachably fixed inside the coil by means of buckles, fasteners, or threads.

[0011] The PCB board is provided with a single-chip microcomputer chip, and a vibration sensor and a buzzer which are respectively electrically connected to the single-chip microcomputer chip; the vibration sensor is electrically connected to the buzzer, and sends a vibration signal to the buzzer when the top cover, and / or the shell, and / or the chassis is vibrated, and the buzzer receives the vibration signal and emits a buzzing sound, so as to realize the anti-theft wireless charging of the mobile device.

[0012] The PCB board is also provided with a toggle switch corresponding to the vibration sensor and / or the buzzer.

[0013] The housing is also provided with a display screen and a power switch; the display screen, the power switch and the motor are respectively electrically connected to the single-chip microcomputer chip.

[0014] The PCB board and the support frame are fixedly arranged on the chassis through fasteners respectively; the chassis is fixedly arranged on the bottom of the shell through fasteners, and a foot pad is also arranged thereon.

[0015] The present invention improves the above structure and utilizes the cooperation of the transmission component and the motor so that the top cover can be lifted and opened and closed on the opening of the shell; when the opening is opened, the user can place the mobile device on the support frame from the opening, and then close the opening, and the mobile device can be wirelessly charged through the coil, so that it is convenient for the user to wirelessly charge a large number of mobile devices of different types at the same time, which not only improves the use range of the product, but also greatly improves the user's use experience. Moreover, the mobile device can be completely blocked by the top cover, the shell and the chassis during wireless charging, which not only ensures the safety of the mobile device during wireless charging, but also avoids the problem of the mobile device being accidentally touched by the user or foreign objects, causing the problem of abnormal wireless charging of the mobile device, and the appearance of the top cover, the shell and the chassis can also be beautified according to the aesthetic needs of the user, thereby improving the aesthetics of the product; at the same time, the top cover, and / or the shell, and / or the chassis are also provided with an anti-radiation coating, which can effectively block the radiation generated by the coil when working, prevent the radiation from damaging the user, and allow the user to wirelessly charge the mobile device safely and reliably.

[0016] In general, it has the characteristics of simple and reasonable structure, excellent performance, low manufacturing cost, convenience, safety, reliability and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the decomposed structure of an embodiment of the present invention.

[0018] Figure 2 It is a schematic diagram of the assembly structure of an embodiment of the present invention.

[0019] Figure 3 It is a schematic diagram of the assembly cross-sectional structure of an embodiment of the present invention.

[0020] Figure 4 , Figure 5 Schematic diagram of the process of placing a mobile device. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1-Figure 5 The wireless charging structure for mobile devices includes a top cover 1, a shell 2 and a chassis 3. The top of the shell 2 is provided with an opening 4, and a coil 5 and a support frame 6 are provided inside; a PCB board 7 and a motor 8 are provided on the chassis 3, the motor 8 is electrically connected to the PCB board 7, and a transmission component is provided between the motor 8 and the top cover 1; the top cover 1 is opened and closed on the opening 4 of the shell 2 through the cooperation of the transmission component and the motor 8; the mobile device A is a smart phone, a smart bracelet, a smart watch, a computer, etc., which is placed on the support frame 6 when the opening 4 is opened, and wireless charging is achieved through the coil 5 when the opening 4 is closed.

[0023] When the top cover 1 rises, the opening 4 opens, and the user can place the mobile device A on the support frame 6 from the opening 4. Then the top cover 1 drops and closes the opening 4, and the mobile device A can be wirelessly charged through the coil 5, so that it is convenient for the user to wirelessly charge a large number of mobile devices A of different types at the same time, which not only improves the use range of the product, but also greatly improves the user's experience. Moreover, the mobile device A can be completely shielded by the top cover 1, the shell 2 and the chassis 3 during wireless charging, which not only ensures the safety of the mobile device A during wireless charging, but also prevents the user or foreign objects from accidentally touching the mobile device A, causing abnormal wireless charging of the mobile device A, and the appearance of the top cover 1, the shell 2 and the chassis 3 can also be beautified according to the user's aesthetic needs, thereby improving the aesthetics of the product.

[0024] The top cover 1, and / or the housing 2, and / or the chassis 3 are also provided with an anti-radiation coating. The anti-radiation coating can effectively block the radiation generated by the coil 5 when it is working, prevent the radiation from harming the user, and allow the user to wirelessly charge the mobile device A safely and reliably.

[0025] In this embodiment, the top of the top cover 1 and the inner wall of the outer shell 2 are preferably coated with an anti-radiation coating. Since the bottom plate 3 is used to support the entire product and is in contact with the table or the ground, the direct impact of radiation on the user can be avoided without the need for an anti-radiation coating. At the same time, since the anti-radiation coating is only applied to the top of the top cover 1 and the inner wall of the outer shell 2, and not applied to their outer surfaces, the exquisite appearance of the product can be ensured while ensuring that the radiation will not affect the user.

[0026] The transmission assembly includes a rotating screw 9 and a lifting screw 10; one end of the rotating screw 9 is transmission connected to the motor 8, the other end of the rotating screw 9 is threadedly transmission connected to one end of the lifting screw 10, and the other end of the lifting screw 10 is fixedly connected to the top cover 1; the top cover 1 is opened and closed on the opening 4 of the shell 2 through the cooperation of the motor 8, the rotating screw 9, and the lifting screw 10.

[0027] In order to make the lifting and lowering of the top cover 1 more reasonable, a guide rod 11 is fixedly provided on the chassis 3; the rotating screw rod 9 is driven by the motor 8 to rotate in the guide rod 11; the lifting screw rod 10 is sleeved in the guide rod 11 through the cooperation of the motor 8 and the rotating screw rod 9. Due to the guiding function of the guide rod 11, the top cover 1 can be linearly lifted and opened and closed on the opening 4 of the housing 2.

[0028] The coil 5 is respectively provided with fixing rings 12 at the upper and lower positions, and is fixedly arranged inside the housing 2 through the fixing rings 12; the support frame 6 is fixedly arranged inside the coil 5, and is provided with at least one supporting space for supporting and placing the mobile device A, and the support frame 6 is also provided with a cushion block 13 corresponding to the supporting space.

[0029] The support frame 6 is triangular or polygonal, and is provided with a plurality of support spaces, and the support frame 6 is detachably fixedly arranged inside the coil 5 by means of buckles, fasteners, or threads. The support frame 6 of this embodiment is preferably triangular, and has three support spaces formed thereon, and at the same time, the support frame 6 is detachably fixedly arranged inside the coil 5 by means of buckles.

[0030] The PCB board 7 is provided with a single-chip microcomputer chip 14, and a vibration sensor 15 and a buzzer 16 which are respectively electrically connected to the single-chip microcomputer chip 14; the vibration sensor 15 is electrically connected to the buzzer 16, and sends a vibration signal to the buzzer 16 when the top cover 1, and / or the housing 2, and / or the chassis 3 are vibrated, and the buzzer 16 receives the vibration signal and emits a buzzing sound to realize the anti-theft wireless charging of the mobile device A, so that the mobile device A can achieve the effect of anti-theft alarm while wirelessly charging, thereby ensuring the property safety of the user and further improving the user's experience.

[0031] The PCB board 7 is also provided with a toggle switch 17 corresponding to the vibration sensor 15 and / or the buzzer 16. Therefore, the above-mentioned anti-theft alarm function is an optional function, and the user can turn off this function when the mobile device A is not needed to be stolen, so as to prevent the rest and work of the surrounding personnel from being disturbed.

[0032] In order to greatly improve the user experience, the housing 2 is also provided with a display screen 18 and a power switch 19; the display screen 18, the power switch 19, and the motor 8 are respectively electrically connected to the single-chip microcomputer chip 14. The user can check the wireless charging status of the mobile device A through the display screen 18, and can control the entire product through the power switch 19.

[0033] The PCB board 7 and the support frame 6 are fixed on the chassis 3 by fasteners respectively; the chassis 3 is fixed on the bottom of the shell 2 by fasteners. At the same time, in order to ensure the working stability of the product, a foot pad 20 is also provided on the chassis 3. The foot pad 20 has a certain degree of softness, so it can reduce the vibration generated by the top cover 1 when it is raised or lowered.

[0034] The above is a preferred embodiment of the present invention, which shows and describes the basic principles, main features and preferred embodiments of the present invention. A radiation point will be generated when the present invention is working. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. The present invention may have various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements fall within the scope of the present invention to be protected, and the scope of the present invention to be protected is defined by the attached claims and their equivalents.

Claims

1. A wireless charging structure for a mobile device, comprising a top cover (1), a housing (2) and a chassis (3), characterized in that: The top of the housing (2) is provided with an opening (4), and a coil (5) and a support frame (6) are provided inside; a PCB board (7) and a motor (8) are provided on the chassis (3), the motor (8) is electrically connected to the PCB board (7), and a transmission assembly is provided between the motor (8) and the top cover (1); the top cover (1) is opened and closed on the opening (4) of the housing (2) by the cooperation of the transmission assembly and the motor (8); the mobile device (A) is placed on the support frame (6) when the opening (4) is open, and wireless charging is achieved through the coil (5) when the opening (4) is closed; an anti-radiation coating is also provided on the top cover (1), and / or the housing (2), and / or the chassis (3); The transmission assembly comprises a rotating screw (9) and a lifting screw (10); one end of the rotating screw (9) is connected to the motor (8) by transmission, the other end of the rotating screw (9) is connected to one end of the lifting screw (10) by threaded transmission, and the other end of the lifting screw (10) is fixedly connected to the top cover (1); the top cover (1) is opened and closed on the opening (4) of the housing (2) by the cooperation of the motor (8), the rotating screw (9) and the lifting screw (10); A guide rod (11) is also fixedly arranged on the chassis (3); the rotating screw rod (9) is driven by the motor (8) to rotate in the guide rod (11); the lifting screw rod (10) is sleeved in the guide rod (11) through the cooperation of the motor (8) and the rotating screw rod (9) in a guided lifting manner; The PCB board (7) is provided with a single-chip microcomputer chip (14), and a vibration sensor (15) and a buzzer (16) which are respectively electrically connected to the single-chip microcomputer chip (14); the vibration sensor (15) is electrically connected to the buzzer (16), and sends a vibration signal to the buzzer (16) when the top cover (1), and / or the housing (2), and / or the chassis (3) are vibrated, and the buzzer (16) receives the vibration signal and sends a buzzing sound, so as to realize the anti-theft wireless charging of the mobile device (A); The coil (5) is provided with fixing rings (12) at the upper and lower positions respectively, and is fixedly arranged inside the housing (2) through the fixing rings (12); the support frame (6) is fixedly arranged inside the coil (5), and is provided with at least one receiving space for supporting and placing the mobile device (A), and the support frame (6) is also provided with a cushion block (13) corresponding to the receiving space.

2. The wireless charging structure for mobile devices according to claim 1, characterized in that: The support frame (6) is triangular or polygonal in shape and is provided with a plurality of receiving spaces. The support frame (6) is detachably fixed inside the coil (5) by means of buckles, fasteners, or threads.

3. The wireless charging structure for mobile devices according to claim 2, characterized in that: The PCB board (7) is also provided with a toggle switch (17) corresponding to the vibration sensor (15) and / or the buzzer (16).

4. The wireless charging structure for mobile devices according to claim 3, characterized in that: The housing (2) is also provided with a display screen (18) and a power switch (19); the display screen (18), the power switch (19) and the motor (8) are respectively electrically connected to the single-chip microcomputer chip (14).

5. The wireless charging structure for mobile devices according to claim 1 or 4, characterized in that: The PCB board (7) and the support frame (6) are respectively fixedly arranged on the chassis (3) by means of fasteners; the chassis (3) is fixedly arranged on the bottom of the housing (2) by means of fasteners, and a foot pad (20) is also arranged thereon.

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