Magnetic charging components and electronic device
Patent Information
- Application Number
- TW111141534
- Authority / Receiving Office
- TW · TW
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2022-09-26
- Filing Date
- 2022-11-01
- Publication Date
- 2026-08-11
- Estimated Expiration
- 2042-10-31
AI Technical Summary
Existing wireless charging technologies face challenges in minimizing the interference of magnetic components on antenna components due to strong magnetic fields, leading to reduced charging efficiency and potential damage.
A magnetic charging component design featuring a bottom case with an accommodation space, spaced magnetic components, a magnetic isolation sheet, and a charging coil positioned to stagger projections along the thickness direction, with a silicon steel sheet to block magnetic fields and reduce interference, and a support structure to stabilize components.
The design effectively reduces magnetic field interference on antenna components, enhancing charging efficiency and stability while maintaining magnetic field strength on the isolation sheet facing the magnetic components.
Smart Images

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Abstract
Description
Magnetic charging components and electronic devices The present application relates to the field of wireless charging, and in particular to a magnetic charging component and an electronic device. A magnetic charging component includes a bottom shell, a plurality of magnetic parts, a magnetic shielding sheet, and a charging coil. The bottom shell is provided with a accommodating space, and the bottom shell has a thickness direction. The magnetic parts are arranged at intervals in the accommodating space. The magnetic shielding sheet covers the plurality of magnetic parts. The charging coil is arranged on one side of the magnetic shielding sheet facing the plurality of magnetic parts, and along the thickness direction, the projection of the charging coil on the magnetic shielding sheet is staggered with the projection of the plurality of magnetic parts on the magnetic shielding sheet. The magnetic charging component provided in the present application can reduce the influence of the magnetic parts on the antenna component. In addition, the present application also provides an electronic device. To solve the problems in the background technology, the present application provides a magnetic charging component. In addition, the present application also provides an electronic device. A magnetic charging assembly, comprising: A bottom shell is provided with an accommodating space, and the bottom shell has a thickness direction; A plurality of magnetic members are spaced apart in the accommodating space; a magnetic isolation sheet, covering the plurality of magnetic members; A charging coil is arranged on one side of the magnetic isolation sheet facing the plurality of magnetic components. Along the thickness direction, the projection of the charging coil on the magnetic isolation sheet and the projection of the plurality of magnetic components on the magnetic isolation sheet are staggered. Furthermore, the two magnetic members are arranged at intervals, and the charging coil is arranged between the two magnetic members. Furthermore, the bottom shell includes a main body and a plurality of first fixing parts, the main body is concave to form the accommodating space, the plurality of first fixing parts are arranged at intervals in the accommodating space, the magnetic isolation plate includes a main body and a plurality of mounting parts, the plurality of mounting parts are arranged on the outside of the main body, and each of the first fixing parts is correspondingly connected to each of the mounting parts. Furthermore, the bottom shell further includes a plurality of second fixing portions, the plurality of second fixing portions are disposed within the accommodating space to form a plurality of receiving spaces, and each of the magnetic components is disposed in one of the receiving spaces. Furthermore, some of the plurality of second fixing portions extend away from the main body to form a plurality of extending portions, and the extending portions abut against edges of the main body. Furthermore, the magnetic charging component also includes a first backing film and a second backing film, the first backing film is filled between the multiple magnetic parts and the main body, and the second backing film is filled between the charging coil and the main body. Furthermore, the distance between the edge of the magnetic member and the edge of the magnetic isolation sheet is greater than 1.5 microns. Furthermore, the magnetic isolation sheet is a silicon steel sheet. An electronic device includes a cover, an antenna assembly, and the magnetic charging assembly as described above. Part of the antenna assembly is arranged on one side of the magnetic isolation plate away from the multiple magnetic parts, and the cover is arranged on the bottom shell to cover the antenna assembly and the magnetic isolation plate. Furthermore, it also includes a supporting portion, which is arranged in the accommodating space, and another part of the antenna assembly is arranged in the supporting portion. The magnetic charging assembly provided by the present application is provided with a magnetic shielding plate above the plurality of magnetic parts. The magnetic shielding plate can block the magnetic field near the magnetic parts, so that the magnetic field strength of the space above the magnetic parts away from the magnetic shielding plate is reduced, thereby reducing the influence of the magnetic parts on other components (for example, antenna components). The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element or can be located in an intermediate element. When an element is considered to be "disposed on" another element, it can be directly disposed on the other element or can be located in an intermediate element. 1 and 5 , an embodiment of the present application provides a magnetic charging assembly 100 , which can be used for any electronic device 200 that requires charging. Please refer to Figures 1, 2 and 3. The magnetic charging component 100 includes a bottom shell 10, a plurality of magnetic parts 20, a magnetic isolation plate 30, and a charging coil 40. The bottom shell 10 is provided with a receiving space 11, and the plurality of magnetic parts 20 are arranged in the receiving space 11. The magnetic isolation plate 30 covers the plurality of magnetic parts 20. The charging coil 40 is arranged on one side of the magnetic isolation plate 30 facing the plurality of magnetic parts 20. The bottom shell 10 has a thickness direction A, and the charging coil 40 is staggered with the magnetic part 20 along the thickness direction A. Among them, the magnetic part 20 can be an aluminum iron boron magnet, and the magnetic isolation plate 30 can be a silicon steel sheet. The magnetic charging component 100 provided in the present application is provided with a magnetic shielding sheet 30 above the plurality of magnetic parts 20. The magnetic shielding sheet 30 can block the magnetic field near the magnetic parts 20, so that the magnetic field strength of the space above the magnetic parts 20 away from the magnetic shielding sheet 30 is reduced, thereby reducing the influence of the magnetic parts 20 on other components (for example, the antenna component 202). At the same time, the magnetic field strength of the magnetic shielding sheet 30 facing the magnetic part 20 is not affected, and can be used as a port of a magnetic charger. Please refer to Figures 2 and 3. In this embodiment, there are two magnetic parts 20. The two magnetic parts 20 are arranged at intervals. Along the thickness direction A, the charging coil 40 is arranged corresponding to the gap between the two magnetic parts 20. By arranging the charging coil 40 between the two magnetic parts 20, it is beneficial to reduce the influence of the magnetic part 20 on the charging coil 40, thereby improving the charging efficiency of the magnetic charging component 100. Please refer to Figure 3. In this embodiment, the bottom shell 10 is roughly box-shaped, and the bottom shell 10 includes a main body 12 and a plurality of first fixing parts 13 connected to the main body 12. The main body 12 is concave to form the accommodating space 11. The first fixing parts 13 are arranged at intervals in the accommodating space 11, and the first fixing parts 13 extend along the thickness direction A. The magnetic isolation sheet 30 is roughly plate-shaped, and the magnetic isolation sheet 30 includes a main body 31 and a plurality of mounting parts 32. The mounting parts 32 are arranged on the outside of the main body 31, and each of the mounting parts 32 is correspondingly connected to each of the first fixing parts 13. Specifically, the mounting part 32 and the first fixing part 13 are fixedly connected by screws. Please refer to Figures 3 and 4. In this embodiment, the bottom shell 10 also includes a plurality of second fixing portions 14 connected to the main body 12. The plurality of second fixing portions 14 are surrounded in the accommodating space 11 to form a plurality of receiving spaces 141. Each of the magnetic components 20 is correspondingly arranged in one of the receiving spaces 141. By arranging the magnetic component 20 in the receiving space 141, the second fixing portion 14 can limit the magnetic component 20, so that the setting position of the magnetic component 20 is fixed relative to the charging coil 40. Referring to Figures 3 and 4 , in this embodiment, a portion of the second fixing portion 14 extends away from the body 12 along the thickness direction A to form an extension portion 142. The extension portion 142 abuts against the edge of the main body 31, thereby retaining the magnetic barrier 30. Specifically, the extension portion 142 also includes a latch portion 143 extending toward the center of the main body 31. The latch portion 143 is used to press the main body 31 against the magnetic member 20 along the thickness direction A. Please refer to Figure 2 again. In this embodiment, the distance B between the edge of the magnetic member 20 and the edge of the magnetic isolation plate 30 is at least 1.5 microns, thereby ensuring that the magnetic field of the magnetic member 20 is covered by the magnetic isolation plate 30 and reducing the leakage of the magnetic field of the magnetic member 20. 3 and 4 , in this embodiment, the magnetic charging assembly 100 further includes a first backing film 51 and a second backing film 52. The first backing film 51 fills the gap between the magnetic member 20 and the body 12, thereby enhancing the stability of the connection between the magnetic member 20 and the body 12. The second backing film 52 fills the gap between the charging coil 40 and the body 12, thereby enhancing the stability of the connection between the charging coil 40 and the body 12. Referring to Figures 5 and 6 , one embodiment of the present application provides an electronic device 200 comprising a cover 201, an antenna assembly 202, and the magnetic charging assembly 100. A portion of the antenna assembly 202 is disposed on a side of the magnetic shielding sheet 30 facing away from the magnetic component 20. The cover 201 is disposed on a side of the bottom housing 10 facing away from the magnetic component 20 to form a receiving cavity 203. The magnetic component 20, magnetic shielding sheet 30, and charging coil 40 are housed within the receiving cavity 203. The electronic device 200 provided in this application disposes the antenna assembly 202 on a side of the magnetic shielding sheet 30 away from the magnetic component 20 . The magnetic shielding sheet 30 can shield the magnetic field of the magnetic component 20 , thereby reducing the influence of the magnetic component 20 on the antenna assembly 202 . 5 and 6 , in this embodiment, the electronic device 200 further includes a support portion 204 connected to the body 12 . The support portion 204 is disposed in the accommodating space 11 , and another portion of the antenna assembly 202 is connected to the support portion 204 , thereby enhancing the stability of the antenna assembly 202 . The above describes the specific embodiments of the present application with reference to the accompanying drawings. However, those skilled in the art will appreciate that various modifications and substitutions may be made to the specific embodiments of the present application without departing from the spirit and scope of the present application. Such modifications and substitutions are intended to fall within the scope of the present application. 100: Magnetic charging assembly 10: Bottom shell 11: Accommodating space 12: Main body 13: First fixing portion 14: Second fixing portion 141: Accommodating space 142: Extension portion 143: Buckle portion 20: Magnetic member 30: Magnetic isolation sheet 31: Main body 32: Mounting portion 40: Charging coil 51: First backing film 52: Second backing film 200: Electronic device 201: Cover 202: Antenna assembly 203: Accommodating cavity 204: Support portion A: Thickness direction B: Distance FIG1 is a top view of a magnetic charging assembly and an antenna assembly according to an embodiment of the present application. FIG2 is a cross-sectional view of the magnetic charging component shown in FIG1 along line II-II of the antenna component. FIG3 is an exploded view of the magnetic charging assembly shown in FIG1 . FIG4 is an enlarged view of region IV of the magnetic charging assembly shown in FIG3 . FIG5 is a schematic diagram of an electronic device provided in accordance with an embodiment of the present application. FIG6 is a cross-sectional view of the electronic device shown in FIG5 taken along line VI-VI. 100: Magnetic charging component 10: bottom shell 11: Accommodation space 31: Main body 32: Installation 143: Buckle 202: Antenna assembly
Claims
1. A magnetic charging component, wherein, include: A bottom shell with an accommodating space, the bottom shell having a thickness direction; a plurality of magnetic elements, spaced apart in the accommodating space; A magnetic shielding sheet is disposed on the plurality of magnetic components; a charging coil is disposed on the side of the magnetic shielding sheet facing the plurality of magnetic components, and along the thickness direction, the projection of the charging coil on the magnetic shielding sheet is offset from the projection of the plurality of magnetic components on the magnetic shielding sheet; the bottom shell includes a body and a plurality of first fixing parts, the body is recessed to form the accommodating space, the plurality of first fixing parts are spaced apart in the accommodating space, the magnetic shielding sheet includes a main body and a plurality of mounting parts, the plurality of mounting parts are disposed outside the main body, and each first fixing part is correspondingly connected to each mounting part.
2. The magnetic charging assembly as described in claim 1, wherein, The number of the plurality of magnetic elements is two, the two magnetic elements are arranged at an interval, and the charging coil is disposed between the two magnetic elements.
3. The magnetic charging assembly as described in claim 1, wherein, The bottom shell also includes a plurality of second fixing parts, which surround the accommodating space to form a plurality of receiving spaces, and each magnetic element is disposed in one of the receiving spaces.
4. The magnetic charging assembly as described in claim 3, wherein, Some of the plurality of second fixing portions extend away from the body to form a plurality of extension portions, the extension portions abutting against the edge of the body portion.
5. The magnetic charging assembly as described in claim 3, wherein, The magnetic charging assembly further includes a first adhesive sheet and a second adhesive sheet, wherein the first adhesive sheet is filled between the plurality of magnetic components and the body, and the second adhesive sheet is filled between the charging coil and the body.
6. The magnetic charging assembly as described in claim 1, wherein, The distance between the edge of the plurality of magnetic components and the edge of the magnetic shielding sheet is greater than 1.5 micrometers.
7. The magnetic charging assembly as described in claim 1, wherein, The magnetic shielding sheet is a silicon steel sheet.
8. An electronic device comprising a cover plate, an antenna assembly, and a magnetic charging assembly as described in any one of claims 1 to 7, wherein a portion of the antenna assembly is disposed on the side of the magnetic shield facing away from one of the plurality of magnetic elements, and the cover plate is disposed on the bottom shell to cover the antenna assembly and the magnetic shield.
9. The electronic device as described in claim 8, wherein, It also includes a support portion disposed in the accommodating space, and another portion of the antenna assembly is disposed in the support portion.
Citation Information
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