Electronic equipment accessory

Abstract

One embodiment of the utility model provides an electronic equipment accessory, which comprises a main body provided with a wireless charging induction area; the magnetic attraction assembly is arranged on the main body and is adjacent to the wireless charging induction area; and the magnetic conducting piece is connected to one side, facing the wireless charging induction area, of the magnetic attraction assembly. According to the electronic equipment accessory provided by the embodiment of the utility model, interference between the magnetic attraction assembly and the magnetic field of the wireless charging coil can be avoided, and relatively high wireless charging efficiency can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of 3C digital accessories, in particular to an electronic device accessory. Background Art

[0002] Since wireless charging technology transfers energy between a charger and an electrical device through a magnetic field without connecting wires between them, it can bring great convenience to users. Wireless charging generally uses the principle of electromagnetic induction for charging. Alternating current with a certain frequency in the primary coil generates a certain current in the secondary coil through electromagnetic induction, thereby transferring energy from the transmission end to the receiving end. Therefore, the strength of electromagnetic induction between the two coils to a certain extent affects the speed and efficiency of energy transmission. Magnets are usually provided on a wireless charger or an electronic device to be charged to achieve stable adsorption between the wireless charger and the electronic device to be charged. However, in existing wireless charging products or electronic devices, the magnetic field generated by the magnet for adsorption will interfere with the magnetic field generated by the wireless charging coil, thereby affecting the wireless charging efficiency. Summary of the Utility Model

[0003] Therefore, to overcome at least some of the defects and deficiencies in the prior art, an embodiment of the utility model provides an electronic device accessory that can avoid interference between the magnetic attraction component and the magnetic field of the wireless charging coil and ensure a relatively high wireless charging efficiency.

[0004] Specifically, an embodiment of the utility model provides an electronic device accessory, including: a main body having a wireless charging induction area thereon; a magnetic attraction component disposed on the main body and adjacent to the wireless charging induction area; and a magnetic conduction member connected to a side of the magnetic attraction component facing the wireless charging induction area.

[0005] In some embodiments, the magnetic attraction component is disposed around the wireless charging induction area, or the magnetic attraction component is disposed outside the wireless charging induction area.

[0006] In some embodiments, the electronic device accessory further includes a wireless charging coil disposed in the wireless charging induction area; the wireless charging coil is used to couple with another wireless charging coil and achieve current transmission.

[0007] In some embodiments, the main body includes a protective case, the protective case includes a back plate and a side frame, and the side frame and the back plate jointly enclose a device accommodation cavity; the wireless charging induction area is located on the back plate.

[0008] In some embodiments, both the magnetic attraction component and the magnetic conduction member are disposed on the back plate.

[0009] In some embodiments, the main body further includes a bracket disposed on a side of the back plate away from the device accommodation cavity, and the bracket is rotatably connected to the back plate; both the magnetic attraction assembly and the magnetic conductive member are disposed on the bracket.

[0010] In some embodiments, the bracket includes an annular main body surrounding the wireless charging induction area, the annular main body having opposite inner ring walls and outer ring walls, the distance between the magnetic attraction assembly and the outer ring wall being less than the distance between the magnetic attraction assembly and the inner ring wall, and the magnetic conductive member being disposed on a side of the magnetic attraction assembly facing the inner ring wall.

[0011] In some embodiments, the distance between the magnetic attraction assembly and the inner ring wall is 0.3 to 0.7 times the distance between the inner ring wall and the outer ring wall.

[0012] In some embodiments, an installation groove is provided on the annular main body, and the magnetic attraction assembly is located in the installation groove.

[0013] In some embodiments, the magnetic attraction assembly includes a plurality of magnetic attraction members, at least two of the plurality of magnetic attraction members being connected to the same magnetic conductive member, or, the magnetic conductive members being multiple, and the plurality of magnetic attraction members being connected to the plurality of magnetic conductive members in one-to-one correspondence.

[0014] In some embodiments, the magnetic attraction assembly includes a plurality of arc-shaped portions, and the plurality of arc-shaped portions together enclose a ring-shaped structure; the magnetic conductive member is arc-shaped or ring-shaped; or, the plurality of arc-shaped portions are spaced apart or symmetrically arranged.

[0015] In some embodiments, each arc-shaped portion includes a plurality of magnetic attraction members; the number of the magnetic conductive members is multiple, the plurality of magnetic conductive members corresponding to the plurality of arc-shaped portions or the plurality of magnetic attraction members in one-to-one correspondence, and each magnetic conductive member being connected to the corresponding arc-shaped portion or on a side of the plurality of magnetic attraction members close to the wireless charging induction area.

[0016] As can be seen from the above, one or more of the following beneficial effects can be achieved in the above embodiments of the present invention: by providing a magnetic conductive member on a side of the magnetic attraction assembly facing the wireless charging induction area, the corresponding magnetic induction lines of the magnetic attraction assembly pass through the magnetic conductive member and are constrained by the magnetic conductive member, without interfering with the magnetic induction lines generated when the wireless charging coil works, so that the influence on the magnetic field generated by the wireless charging coil can be reduced or even avoided, ensuring a high charging efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The following will describe in detail the specific embodiments of the present invention in conjunction with the drawings.

[0018] Figure 1 It is a schematic structural diagram of an electronic device accessory provided by an embodiment of the present invention.

[0019] Figure 2 is Figure 1 A partial enlarged schematic view of area A in

[0020] Figure 3 A schematic structural view of another electronic device accessory provided by an embodiment of the present utility model.

[0021] Figure 4 A disassembled structural view of a magnetic attraction component and a magnetic conductive member in an electronic device accessory provided by an embodiment of the present utility model.

[0022] Figure 5 A schematic structural view of yet another electronic device accessory provided by an embodiment of the present utility model.

[0023] Figure 6 is Figure 5 A disassembled structural view of the electronic device accessory shown.

[0024] Figure 7 is Figure 5 A schematic structural view of the bracket part in the electronic device accessory shown.

[0025] Figure 8 is Figure 5 A disassembled structural view of another angle of the electronic device accessory shown.

[0026] Figure 9 A schematic view of the magnetic fields of a magnet and a transmitting coil in the prior art.

[0027] Figure 10 A schematic view of the magnetic field when an electronic device accessory provided by an embodiment of the present utility model is working.

[0028]

Description of the reference numerals

[0029] 10. Main body; 11. Wireless charging induction area; 12. Protective case; 121. Back panel; 1211. Bracket groove; 122. Side frame; 123. Device accommodation cavity; 13. Bracket; 131. Ring-shaped main body; 1311. Outer ring wall; 1312. Inner ring wall; 1313. Installation groove; 132. Covering member; 20. Magnetic attraction component; 21. Arc portion; 211. Magnetic attraction member; 30. Magnetic conductive member; 41. Wireless charging coil; 20a. Magnet; 41a. Transmitting coil. Detailed implementation manners

[0030] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following detailed description of the specific implementation manners of the present utility model will be given with reference to the accompanying drawings.

[0031] To enable those of ordinary skill in the art to better understand the technical solution of the present utility model, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part rather than all of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] It should be noted that the terms "first", "second", etc. in the description and claims of the present utility model and the above-mentioned accompanying drawings are used to distinguish similar objects and do not necessarily need to describe a specific order or sequence. It should be understood that such terms can be interchanged under appropriate circumstances so that the embodiments of the present utility model described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices. Herein, "a plurality of" means greater than or equal to two.

[0033] It should also be noted that the division of multiple embodiments in the present utility model is only for convenience of description and should not constitute a special limitation. The features in various embodiments can be combined and cross-referenced without conflict.

[0034] As Figure 1 shown, an embodiment of the present utility model provides an electronic device accessory, including a main body 10, a magnetic attraction assembly 20, and a magnetic conductive member 30. Among them, the main body 10 has a wireless charging induction area 11. The magnetic attraction assembly 20 is disposed on the main body 10 and is adjacent to the wireless charging induction area 11. Referring to Figure 2 , the magnetic conductive member 30 is connected to the side of the magnetic attraction assembly 20 facing the wireless charging induction area 11.

[0035] The electronic device accessory provided by the embodiment of the present utility model can be a wireless charger (including a wireless charging power bank) or other devices for charging other devices to be charged. For example, the main body 10 can be the housing of the wireless charger, and a battery, a control circuit board, etc. are also provided inside the housing. Alternatively, the electronic device accessory can also be an electrical device to be charged, such as a mobile phone or a tablet computer. Then the main body 10 can be the body of the mobile phone, for example, including a housing, a battery, a display screen, etc. Some mobile terminals such as mobile phones that can be wirelessly charged and can also wirelessly charge external devices are also included. Alternatively, the electronic device accessory can also be a protective case (or protective cover) for sleeving outside the electrical device or the wireless charger. Among them, the wireless charging induction area 11 is the area on the main body 10 for setting a wireless charging coil (including a transmitting coil or a receiving coil), or the area on the main body 10 corresponding to the wireless charging transmitting coil (or the wireless charging receiving coil) when the main body 10 is combined with the wireless charger (or the device to be charged).

[0036] The magnetic attraction component 20 is mainly a magnet material with a magnetic attraction function. In some embodiments, the magnetic attraction component 20 is arranged around the wireless charging induction area 11, and it can be in a ring structure, including a complete ring or a C-shaped or semi-circular shape with an opening, etc. In some embodiments, the magnetic attraction component 20 is arranged outside the wireless charging induction area 11, that is, the magnetic attraction component 20 can be arranged only on one side of the wireless charging induction area 11. The magnetic attraction component 20 can be composed of a whole piece of magnet, or formed by arranging a plurality of magnetic attraction parts 211. The magnetic conduction part 30 is, for example, a magnetic metal such as iron. The shape of the magnetic conduction part 30 can be designed according to the shape of the magnetic attraction component 20, and it can be a ring shape or multiple arc shapes, etc.

[0037] The structure and principle of the electronic device accessory provided by the embodiment of the present utility model will be described below. As Figure 3 shown, the electronic device accessory further includes a wireless charging coil 41, and the wireless charging coil 41 is arranged in the wireless charging induction area 11. The wireless charging coil 41 is used to be coupled with another wireless charging coil and realize current transmission. That is, the magnetic attraction component 20 is adjacent to the wireless charging coil 41, and the magnetic conduction part 30 is connected to the side of the magnetic attraction component 20 facing the wireless charging coil 41. For example, if the electronic device accessory is a wireless charger, the wireless charging coil 41 serves as a transmitting coil, and another wireless charging coil coupled thereto serves as a receiving coil. For example, if the electronic device accessory is an electrical device, the wireless charging coil 41 serves as a receiving coil, and another wireless charging coil coupled thereto serves as a transmitting coil.

[0038] Figure 9 shows the magnetic field when a wireless charger with a magnet 20a and a transmitting coil 41a in the prior art works. Among them, L2 is the schematic of the magnetic induction line of the magnet 20a, and L1 is the schematic of the magnetic induction line of the magnetic field generated when the transmitting coil 41a works. According toFigure 9 Interference of magnetic induction lines L1 and L2 can be observed therein, which will affect the magnetic field generated by the transmitting coil 41a, resulting in a decrease in the charging efficiency. Figure 10 The magnetic field during the operation of the electronic device accessory provided by the embodiment of the present invention is shown. Among them, L3 is a schematic illustration of the magnetic induction line of the magnetic field generated during the operation of the wireless charging coil 41, and L4 is a schematic illustration of the magnetic induction line of the magnetic attraction component 20. The magnetic conduction member 30 is arranged on one side (which can be called the inner side) of the magnetic attraction component 20 facing the wireless charging coil 41 (wireless charging induction area 11). The magnetic induction line L4 on the inner side passes through the magnetic conduction member 30. Therefore, the magnetic conduction member 30 constrains the magnetic induction lines on the inner side of the magnetic attraction component 20, so that the magnetic induction lines L4 and L3 do not interfere. Therefore, the influence on the magnetic field generated by the wireless charging coil 41 can be reduced or even avoided, ensuring a high charging efficiency.

[0039] In some embodiments, such as Figure 1 shown, the main body 10 includes a protective case 12. The protective case 12 includes a back plate 121 and side frames 122. The side frames 122 and the back plate 121 jointly enclose a device accommodation cavity 123 (refer to Figure 8 ). The wireless charging induction area 11 is located on the back plate 121. In some embodiments, for example, when the protective case 12 is sleeved on the electronic device, the orthographic projection of the wireless charging coil (which can be a transmitting coil or a receiving coil) on the electronic device on the back plate 121 is located within the wireless charging induction area 11. For example, if the main body 10 is a mobile phone protective case, when the main body 10 is sleeved on the mobile phone and the mobile phone is charged using a wireless charger, the wireless charging coil in the mobile phone serves as a receiving coil, and the orthographic projection of this receiving coil on the back plate 121 is located within the wireless charging induction area 11. Correspondingly, the wireless charger contacts the back plate 121 of the protective case 12. At this time, the orthographic projection of the wireless charging coil in the wireless charger serving as a transmitting coil on the back plate 121 is also located within the wireless charging induction area 11.

[0040] In some embodiments, both the magnetic attraction component 20 and the magnetic conduction member 30 are arranged on the back plate 121. The magnetic attraction component 20 and the magnetic conduction member 30 can be fixed together by adsorption, pasting, etc., which can ensure the stable positional relationship between the magnetic conduction members 30 and ensure the constraint of the magnetic field on the inner side (i.e., the side facing the wireless charging induction area 11) of the magnetic attraction component 20 by the magnetic conduction member 30. For example, a groove can be opened on the back plate 121, and the magnetic conduction member 30 and the magnetic attraction component 20 are arranged in the groove. A mylar sheet or the like can be covered at the notch of the groove for shielding, which can ensure the flatness and beauty of the surface of the back plate 121.

[0041] In some embodiments, the electronic device accessory can be a protective case with a bracket, refer to Figure 5 and Figure 6, the main body 10 further includes a bracket 13. The bracket 13 is disposed on the side of the back plate 121 away from the device accommodation cavity 123, and the bracket 13 is rotatably connected to the back plate 121. At this time, the magnetic attraction assembly 20 and the magnetic conductive member 30 can both be disposed on the back plate 121, or the magnetic attraction assembly 20 and the magnetic conductive member 30 are both disposed on the bracket 13. The bracket 13 can be used to support the electronic device to be placed at a specific angle, and at the same time, it can provide an installation space for the magnetic attraction assembly 20 and the magnetic conductive member 30. In some embodiments, a bracket groove 1211 is provided on the back plate 121. When the support function is not needed, the bracket 13 can be stored in the bracket groove 1211. When charging the electronic device in the device accommodation cavity 123, the magnetic attraction assembly 20 in the bracket 13 can be magnetically fixed to the wireless charger, ensuring that the electronic device is aligned and stably connected to the wireless charger, and ensuring the charging effect.

[0042] In some embodiments, referring to Figure 7 , the bracket 13 includes an annular main body 131 surrounding the wireless charging induction area 11. The annular main body 131 has opposite inner ring walls 1312 and outer ring walls 1311. The distance between the magnetic attraction assembly 20 and the outer ring wall 1311 is less than the distance between the magnetic attraction assembly 20 and the inner ring wall 1312. The magnetic conductive member 30 is disposed on the side of the magnetic attraction assembly 20 facing the inner ring wall 1312. That is, the magnetic attraction assembly 20 is disposed closer to the outer ring wall 1311, and the distance between the magnetic attraction assembly 20 and the wireless charging induction area 11 is set to be larger, which can more effectively avoid the magnetic field of the magnetic attraction assembly 20 from interfering with the magnetic field of the wireless charging, and ensure the wireless charging efficiency. In some embodiments, the distance between the magnetic attraction assembly 20 and the inner ring wall 1312 is 0.3 to 0.7 times the distance between the inner ring wall 1312 and the outer ring wall 1311. While ensuring that the bracket 13 has a suitable width to provide good support performance, the wireless charging efficiency is ensured.

[0043] In some embodiments, referring to Figure 8 , an installation groove 1313 is provided on the annular main body 131, and the magnetic attraction assembly 20 is located in the installation groove 1313. Among them, the installation groove 1313 can also be disposed closer to the outer ring wall 1311 correspondingly. The width of the installation groove 1313 along the radial direction of the annular main body 131 matches the widths of the magnetic attraction assembly 20 and the magnetic conductive member 30.

[0044] In some embodiments, a covering member 132 can be provided corresponding to the installation groove 1313. The covering member 132 covers the magnetic attraction assembly 20 and the magnetic conductive member 30, which can protect the magnetic attraction assembly 20 and ensure the beauty of the bracket 13.

[0045] In any of the above embodiments, the magnetic attraction assembly 20 can include a plurality of magnetic attraction members 211. In some specific embodiments, at least two of the plurality of magnetic attraction members 211 are connected to the same magnetic conductive member 30. Such as Figure 4As shown, every six magnetic attraction members 211 are connected to the same magnetic conductive member 30. At this time, the magnetic conductive member 30 can fix multiple magnetic attraction members 211, ensuring the stability of the arrangement shape of the multiple magnetic attraction members 211 and facilitating assembly. In some other embodiments, a magnetic conductive member 30 can also be provided corresponding to each magnetic attraction member 211, that is, multiple magnetic attraction members 211 are connected to multiple magnetic conductive members 30 in a one-to-one correspondence. This embodiment is not limited. Among them, the multiple magnetic attraction members 211 are, for example, arranged at intervals, which can reduce the eddy current effect during wireless charging, reduce heat generation, and ensure the charging efficiency.

[0046] In some embodiments, referring to Figure 4 , the magnetic attraction assembly 20 includes multiple arc-shaped portions 21, and the multiple arc-shaped portions 21 jointly enclose to form an annular structure. The magnetic conductive member 30 is arc-shaped or annular. Each of the arc-shaped portions 21 can be a whole arc, or can be formed by arranging multiple magnetic attraction members 211 into an arc structure. In some embodiments, the multiple arc-shaped portions 21 are arranged at intervals. In some embodiments, the multiple arc-shaped portions 21 can also be symmetrically arranged. In some specific embodiments, each arc-shaped portion 21 includes multiple magnetic attraction members 211. The number of the magnetic conductive members 30 is multiple, and the multiple magnetic conductive members 30 are in one-to-one correspondence with the multiple arc-shaped portions 21 or the multiple magnetic attraction members 211. Each magnetic conductive member 30 is connected to the corresponding arc-shaped portion 21 or the magnetic attraction member 211 on the side close to the wireless charging induction area 11.

[0047] By dividing the magnetic attraction assembly 20 into multiple arc-shaped portions 21, arranging the multiple arc-shaped portions 21 at intervals can further reduce the eddy current effect while ensuring the magnetic attraction effect. Each arc-shaped portion 21 is formed by arranging multiple magnetic attraction members 211, which is more convenient for manufacturing and is less likely to break compared to being set as a whole arc. When connecting the multiple magnetic attraction members 211 in each arc-shaped portion 21 to the corresponding one magnetic conductive member 30, the magnetic conductive member 30 can fix the multiple magnetic attraction members 211 in the arc-shaped portion 21, making the assembly easier.

[0048] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Although the present invention has been disclosed above with the preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art, without departing from the scope of the technical solution of the present invention, can make some changes or modifications to the above-disclosed technical content to obtain equivalent embodiments with equivalent changes. However, as long as it does not depart from the content of the technical solution of the present invention, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. An electronic device accessory, characterized in that, Comprising: A main body (10) having a wireless charging induction area (11) thereon; A magnetic attraction component (20) disposed on the main body (10) and adjacent to the wireless charging induction area (11); A magnetic conductive member (30) connected to a side of the magnetic attraction component (20) facing the wireless charging induction area (11).

2. The electronic device accessory according to claim 1, characterized in that, The magnetic attraction component (a) is disposed around the wireless charging induction area (11), or the magnetic attraction component (20) is disposed outside the wireless charging induction area (11).

3. The electronic device accessory according to claim 1, wherein, The electronic device accessory further includes a wireless charging coil (41) disposed within the wireless charging induction area (11); the wireless charging coil (41) is used to couple with another wireless charging coil and achieve current transmission.

4. The electronic device accessory according to claim 1, characterized in that, The main body (10) includes a protective case (12), the protective case (12) includes a back plate (121) and side frames (122), and the side frames (122) and the back plate (121) jointly enclose a device accommodation cavity (123); the wireless charging induction area (11) is located on the back plate (121).

5. The electronic device accessory according to claim 4, wherein Both the magnetic attraction component (20) and the magnetic conductive member (30) are disposed on the back plate (121).

6. The electronic device accessory according to claim 4, characterized in that, The main body (10) further includes a bracket (13), the bracket (13) is disposed on a side of the back plate (121) away from the device accommodation cavity (123), and the bracket (13) is rotatably connected to the back plate (121); both the magnetic attraction component (20) and the magnetic conductive member (30) are disposed on the bracket (13).

7. The electronic device accessory according to claim 6, wherein The bracket (13) includes an annular main body (131) surrounding the wireless charging induction area (11), the annular main body (131) has opposite annular inner walls (1312) and annular outer walls (1311), the distance between the magnetic attraction component (20) and the annular outer wall (1311) is less than the distance between the magnetic attraction component (20) and the annular inner wall (1312), and the magnetic conductive member (30) is disposed on a side of the magnetic attraction component (20) facing the annular inner wall (1312).

8. The electronic device accessory according to claim 7, wherein, The distance between the magnetic attraction component (20) and the annular inner wall (1312) is 0.3 to 0.7 times the distance between the annular inner wall (1312) and the annular outer wall (1311).

9. The electronic device accessory according to claim 7, wherein, An installation groove (1313) is provided on the annular main body (131), and the magnetic attraction component (20) is located within the installation groove (1313).

10. The electronic device accessory according to any one of claims 1 to 8, characterized in that, The magnetic attraction component (20) includes a plurality of magnetic attraction members (211), and at least two of the plurality of magnetic attraction members (211) are connected to the same magnetic conductive member (30), or the magnetic conductive member (30) is plural, and the plurality of magnetic attraction members (211) are connected to the plurality of magnetic conductive members (30) in one-to-one correspondence.

11. The electronic device accessory according to any one of claims 1 to 8, characterized in that, The magnetic attraction component (20) includes a plurality of arc-shaped portions (21), and the plurality of arc-shaped portions (21) jointly enclose a ring-shaped structure; the magnetic conductive member (30) is arc-shaped or ring-shaped; or the plurality of arc-shaped portions (21) are spaced apart or symmetrically arranged.

12. The electronic device accessory according to claim 11, wherein, Each arc portion (21) includes a plurality of magnetic attraction members (211); the number of the magnetic conduction members (30) is plural, and the plurality of magnetic conduction members (30) correspond to the plurality of arc portions (21) or the plurality of magnetic attraction members (211) one by one. Each magnetic conduction member (30) is connected to the corresponding arc portion (21) or the magnetic attraction member (211) on the side close to the wireless charging induction area (11).

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