CN217882903U - Wireless charging assembly and electronic equipment - Google Patents

Abstract

The application provides a wireless charging assembly and electronic equipment, and relates to the technical field of charging equipment. Wherein, this wireless subassembly that charges includes: a charging coil; the first magnetic holding parts surround the periphery of the charging coil and are distributed at intervals; when the first magnetic attraction parts and a second magnetic attraction part of an electronic device are mutually attracted, the electronic device is charged through the charging coil. The technical problem that the universality of the wireless power supply equipment is poor can be solved by the technical scheme.

Description

Wireless charging assembly and electronic equipment

Technical Field

The application relates to the technical field of charging equipment, in particular to a wireless charging assembly and electronic equipment.

Background

Wireless charging, also known as inductive charging, non-contact inductive charging, utilizes near-field induction, i.e., inductive coupling, to transfer energy from a power supply device (charger) to a power-consuming device, which uses the received energy to charge a battery while providing for its own operation; because the charger and the electric device are in inductive coupling to transfer energy, the charger and the electric device are not connected by wires, and therefore, no conductive contact points are exposed.

At present, wireless power supply equipment cannot be adapted to different electric devices, and the problem of poor universality exists, so that the use experience of a user is influenced.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application aims to provide a wireless charging assembly and electronic equipment so as to solve the technical problem that the universality of wireless power supply equipment is poor.

In order to solve the above technical problem, an embodiment of the present application provides the following technical solutions:

this application first aspect provides a wireless subassembly that charges, this wireless subassembly that charges includes: a charging coil;

the first magnetic holding parts surround the periphery of the charging coil and are distributed at intervals;

when the first magnetic attraction parts and a second magnetic attraction part of an electronic device are mutually attracted, the electronic device is charged through the charging coil.

In some modified embodiments of the first aspect of the present application, each of the first magnetic holding portions is formed by connecting at least two magnet bodies, and the magnetic poles of two adjacent magnet bodies are distributed oppositely.

In some modified embodiments of the first aspect of the present application, the plurality of first magnetic holding portions are spaced from each other and uniformly surround the outer circumference of the charging coil, and the spacing is greater than a preset threshold.

In some variations of the first aspect of the present application, a plurality of the first magnetic attraction parts form an attraction area around an outer edge of the charging coil;

the outer contour of the charging coil is circular, and the holding area is circular.

In some variations of the first aspect of the application, the charging coil has a profile diameter of 46mm.

In some modified embodiments of the first aspect of the present application, the method further includes: and the shell is provided with an accommodating space for accommodating the charging coil and the plurality of first magnetic holding parts.

In some modified embodiments of the first aspect of the present application, the accommodation space is adapted to an outer dimension of the holding region formed by the plurality of first magnetic holding portions.

A second aspect of the present application provides an electronic device, including: the body comprises a receiving coil and second magnetic holding parts which are arranged on the periphery of the receiving coil and distributed;

the wireless charging assembly as described above;

when the second magnetic holding part and the plurality of first magnetic holding parts are mutually held, a magnetic field is generated by the charging coil and the receiving coil to supply power to the body.

In some modified embodiments of the first aspect of the present application, the number of the second magnetic holding portions is plural, and the second magnetic holding portions are spaced around the outer circumference of the receiving coil;

the plurality of second magnetic holding parts and the plurality of first magnetic holding parts are distributed in a one-to-one corresponding mode.

In some variations of the first aspect of the present application, the receive coil has a profile diameter of 48mm or 46mm.

Compared with the prior art, the wireless charging assembly and the electronic equipment provided by the application have the advantages that the plurality of first magnets of the wireless charging assembly are arranged in a surrounding mode at intervals, magnetic induction lines emitted from the outer ring of the soft magnetic material of the receiving equipment can be allowed, a large-area low-magnetic-resistance channel flows out for magnetic flux in electromagnetic coupling, all existing or future wireless charging equipment can be supported efficiently, the applicability of the wireless charging equipment can be improved, a user can be charged more conveniently, and the use experience of the user is improved.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present application are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:

fig. 1 shows a schematic structural diagram of a wireless charging assembly provided in the present embodiment;

fig. 2 is a schematic diagram illustrating the cooperation of the first magnetic holding part of the wireless charging assembly provided in the present embodiment and the electronic device;

fig. 3 shows another schematic structural diagram of the wireless charging assembly provided in this embodiment;

fig. 4 shows another structural schematic diagram of the wireless charging assembly provided in this embodiment;

fig. 5 shows a schematic structural diagram of a first magnetic holding part of the wireless charging assembly provided in this embodiment;

fig. 6 is a schematic structural diagram illustrating another first magnetic holding part of the wireless charging assembly provided in the present embodiment;

the reference numbers illustrate:

charging coil 11, first magnetic attraction part 12, magnet body 121, and receiving coil 21.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.

Example one

Referring to fig. 1 to 4, in one embodiment of the present application, a wireless charging assembly is provided, including: a charging coil 11; a plurality of first magnetic attraction parts 12 surrounding the periphery of the charging coil 11 and distributed at intervals; when the first magnetic attraction parts 12 and a second magnetic attraction part of an electronic device are mutually attracted, the electronic device is charged through the charging coil 11.

Specifically, the wireless charging assembly provided by this embodiment can cooperate with the receiving coil 21 on the body of the electronic device to realize wireless transmission of electric quantity to the body, and when in use, the plurality of first magnetic holding portions 12 of the wireless charging assembly are aligned with and mutually held by the second magnetic holding portions on the body of the electronic device, so that the holding and fixing of the wireless charging assembly and the electronic device and the alignment of the charging coil 11 and the receiving coil 21 can be realized, thereby realizing electric energy transmission through electromagnetic induction between the charging coil 11 and the receiving coil 21, and improving the convenience of use for users without connecting an electric connecting wire; the structure utensil of wireless subassembly that charges includes: the charging coil 11 and the first magnetic retaining portions 12, the charging coil 11 may have a circular outline shape, and its outline diameter may be, but is not limited to, 46mm, hereinafter, the outline of the charging coil 11 is 46mm as an example, and a body having a receiving coil 21 with an outline diameter of 46mm can be matched, and when the charging coil is matched with a body having a receiving coil 21 with an outline diameter of 48mm, the present multiple retaining structures outside the charging coil 11 adopt a tight surrounding arrangement manner, and at this time, the retaining structures may shield the outer ring of the receiving coil 21, and close to completely shield the magnetic induction line passing through between the receiving coil and the charging coil at this position, and block the magnetic induction line emitted from the outer ring of the receiving coil 21 of the body, which may cause a serious loss of charging efficiency, and in the technical solution adopted in the present application, referring to fig. 1 and fig. 2, as shown in the figures, the first magnetic retaining portions 12 are arranged in the interval distribution at the outer periphery of the charging coil 11, and there is a gap between the adjacent first magnetic retaining coils, and when the gap size of the adjacent receiving coil 11 is equal to that the magnetic induction line passing through the charging coil 21, the charging coil can be matched with a high magnetic induction power, and the electromagnetic induction power device, which may be used in any two magnetic induction devices, and the charging coil 11, and the gap size of which are equal to be used; it should be noted that fig. 2 only illustrates the corresponding relationship between the first magnetic holding portion 12 and the receiving coil 21, the charging coil 11 and the second magnetic holding portion are not illustrated, and the dashed arrows in fig. 2 are used to illustrate part of the magnetic induction lines.

Specifically, the present application aims to provide a scheme that the first magnetic holding parts 12 are arranged at intervals to provide a channel for magnetic induction lines to pass through, the size of the interval between adjacent first magnetic holding parts 12 and the number of the first magnetic holding parts 12 are not particularly limited, and the number of the first magnetic holding parts 12 may be 8, 4, or 5, or even more than 8 or less than 4, or may be an odd number or an even number as shown in fig. 1, fig. 3, or fig. 4; the specific arrangement form of the second magnetic holding portion on the body of the electronic device may be the same as or different from that of the first magnetic holding portion 12, that is, the second magnetic holding portion may be an integrated magnet, or a plurality of closely arranged magnets, or a plurality of magnets distributed at the same interval, where there is no specific limitation, and it is ensured that the two can be held each other, so that the charging coil 11 and the receiving coil 21 can be aligned accurately.

According to the above list, the embodiment of the application provides a wireless charging assembly and an electronic device, by arranging the plurality of first magnetic attraction parts 12 of the wireless charging assembly around the periphery of the charging coil 11 at intervals, the gap between any two adjacent first magnetic attraction parts 12 can allow magnetic induction lines between the receiving coil and the charging coil to pass through the position, so as to leave a large-area low magnetic resistance channel for magnetic flux in electromagnetic coupling, so that different electronic devices can be supported efficiently, the applicability of the wireless charging device can be improved, the charging of a user can be more convenient, and the use experience of the user can be improved.

Further, referring to fig. 5 and fig. 6, in a specific implementation, each of the first magnetic holding portions 12 is formed by connecting at least two magnet bodies 121, and the magnetic poles of two adjacent magnet bodies 121 are distributed oppositely.

Specifically, at present, the holding structure of the wireless charging device mostly adopts two-stage magnetized magnets, that is, each end of the magnet has two polarities, a complicated two-stage magnetization process needs to be adopted, and in order to simplify the process of the first magnetic holding part 12 in the present application, in the technical scheme adopted in the present application, each first magnetic holding part 12 is composed of at least two magnet bodies 121, adjacent magnet bodies 121 are close to and attached and fixed without gaps, each magnet adopts a single-pole magnetization process, and the polarities of the adjacent magnet bodies 121 are opposite, so that the same effect as that of the magnet obtained by the bipolar magnetization process can be achieved, but the process can be greatly simplified; the number of the magnet bodies 121 included in each first magnetic holding portion 12 is not particularly limited herein, and may include two (as shown in fig. 5), three (as shown in fig. 6), or more.

Further, referring to fig. 1, fig. 3 and fig. 4, in an implementation, a plurality of the first magnetic holding portions 12 are spaced from each other and uniformly surround the periphery of the charging coil 11, and the spacing is greater than a preset threshold.

Specifically, in order to realize that the second magnetism of wireless charging subassembly and electronic equipment's body is reliably held fixedly, in the technical scheme that this application adopted, evenly encircle a plurality of first magnetism and hold portion 12 and set up in the periphery of charging coil 11, the interval between two arbitrary adjacent first magnetism and hold portions 12 equals promptly, and the interval is greater than and predetermines the threshold value, preset threshold value here means and ensures that transmission efficiency can reach the interval value of predetermineeing transmission efficiency, preset transmission efficiency here can be but not limited to be more than 90%.

Further, referring to fig. 1, in an implementation, a plurality of the first magnets form a holding area at the outer edge of the charging coil 11; the outer contour of the charging coil 11 is circular, and the holding area is circular.

Specifically, in the technical solution adopted in the present application, the outer contour of the charging coil 11 is circular, and the diameter of the charging coil 11 may be a size that can be adapted to the receiving coil 21 of most of the current electronic devices, specifically may be 46mm, the plurality of first magnetic holding portions 12 form a holding area at the periphery of the charging coil 11, where the holding area refers to an annular area where the first magnetic holding portions 12 are surrounded at the periphery of the charging coil 11, and the first magnetic holding portions 12 are all closely arranged in the non-limited holding area.

Further, in a specific implementation, the wireless charging assembly provided in this embodiment further includes: and a housing having an accommodating space for accommodating the charging coil 11 and the plurality of first magnetic holding parts 12.

Specifically, in the technical scheme that this application took, through setting up the casing and can be used to hold charging coil 11 and a plurality of first magnetism holding portion 12 of interval arrangement at charging coil 11 periphery, charging coil 11 and first magnetism holding portion 12 are fixed inside the casing respectively, and the shape of casing here does not do not specifically limit.

Further, in the specific implementation, the accommodating space is adapted to the overall size of the holding region formed by the plurality of first magnetic holding portions 12.

Specifically, in order to reduce the volume of casing, improve the portability of wireless subassembly that charges, among the technical scheme that this application was taken, can be with the shape adaptation of casing in the overall profile shape that charging coil 11 and outside holding region constitute, the cross sectional shape of casing can be circular promptly, and accommodation space's size and shape can with hold regional profile shape and size adaptation, can furthest reduce the volume of wireless subassembly that charges, improve convenience and user's use and experience.

Example two

With reference to fig. 1 and 4, a second embodiment of the present application provides an electronic device, including: the body comprises a receiving coil 21 and second magnetic holding parts which are arranged on the periphery of the receiving coil 21 and distributed; the wireless charging assembly as described above; when the second magnetic attraction part and the plurality of first magnetic attraction parts 12 are mutually attracted, a magnetic field is generated by the charging coil 11 and the receiving coil 21 to supply power to the body.

Specifically, the body of the electronic equipment that this embodiment provided can be the cell-phone, equipment such as panel computer, the wireless subassembly that charges of accessible cooperation realizes wirelessly charging, the dorsal part of body sets up receiving coil 21 and sets up in the second magnetism portion of holding of the periphery of receiving coil 21, when using, the second magnetism portion of holding through the body holds with a plurality of first magnetism portions of holding 12 of wirelessly charging the subassembly and holds fixedly, in order to realize receiving coil 21 and the accurate counterpoint of charging coil 11, thereby realize power transmission through the electromagnetic induction between charging coil 11 and the receiving coil 21, need not connect the electric connection wire rod, can improve the convenience that the user used. The receiving coil 21 may have a profile diameter equal to the profile diameter of the charging coil 11 of the wireless charging assembly, for example: the receiving coil 21 and the receiving coil 21 may both have an outer diameter of 46mm; or the outer diameter of the receiving coil 21 may also be different from the outer diameter of the charging coil 11 of the wireless charging assembly, for example: the charging coil 11 has a profile diameter of 46mm, and the receiving coil 21 has a profile diameter of 48mm, in which case, in the plurality of first attraction parts distributed around at intervals, the gap between any two adjacent first attraction parts can allow the magnetic induction lines between the receiving coil and the charging coil to pass through the position, so that a large-area low-reluctance path is reserved for the magnetic flux in electromagnetic coupling, and high power can be maintained.

Further, in a specific implementation, the number of the second magnetic holding portions is multiple, and the second magnetic holding portions are spaced around the outer circumference of the receiving coil 21; the plurality of second magnetic holding portions and the plurality of first magnetic holding portions 12 are distributed in a one-to-one correspondence manner.

Specifically, in the technical solution adopted in the present application, the specific arrangement form of the second magnetic holding portion is not limited, for example: the second magnetic holding part may be an integrated magnet, or a plurality of second magnetic holding parts may be used, when the second magnetic holding part is formed by a plurality of magnets, the plurality of magnets may be arranged in a close manner, or may be arranged in a spaced surrounding manner, and the plurality of second magnetic holding parts and the plurality of first magnetic holding parts 12 are distributed in a one-to-one correspondence manner; the second magnetic holding part may employ a magnet magnetized in two stages, or at least two magnets magnetized in one pole, which are the same as the first magnetic holding part 12, and the magnetic poles of the adjacent magnets are arranged oppositely.

It should be noted that in the description of the present specification, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, the description of the terms "one embodiment," "some embodiments," "a specific embodiment," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A wireless charging assembly, comprising:

a charging coil;

the first magnetic holding parts surround the periphery of the charging coil and are distributed at intervals;

when the first magnetic attraction parts and a second magnetic attraction part of an electronic device are mutually attracted, the electronic device is charged through the charging coil.

2. The wireless charging assembly of claim 1,

each first magnetic holding part is formed by connecting at least two magnet bodies, and the magnetic poles of two adjacent magnet bodies are distributed oppositely.

3. The wireless charging assembly of claim 2,

the first magnetic holding parts are mutually spaced and uniformly surround the periphery of the charging coil, and the spacing is larger than a preset threshold value.

4. The wireless charging assembly of claim 1,

the first magnetic holding parts form a holding area annularly arranged on the outer edge of the charging coil;

the outer contour of the charging coil is circular, and the holding area is circular.

5. The wireless charging assembly of claim 4,

the charging coil has an outer diameter of 46mm.

6. The wireless charging assembly of claim 4, further comprising:

the shell is provided with an accommodating space and used for placing the charging coil and the first magnetic holding parts.

7. The wireless charging assembly of claim 6,

the accommodating space is matched with the overall size of the suction area formed by the first magnetic suction parts.

8. An electronic device, characterized in that,

the body comprises a receiving coil and second magnetic holding parts which are arranged on the periphery of the receiving coil and distributed;

the wireless charging assembly of any of claims 1-7;

when the second magnetic holding part and the plurality of first magnetic holding parts are mutually held, a magnetic field is generated by the charging coil and the receiving coil to supply power to the body.

9. The electronic device of claim 8,

the number of the second magnetic holding parts is multiple, and the second magnetic holding parts are wound on the periphery of the receiving coil at intervals;

the plurality of second magnetic holding parts and the plurality of first magnetic holding parts are distributed in a one-to-one corresponding mode.

10. The electronic device of claim 9,

the receiving coil has an outer diameter of 48mm or 46mm.

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