CN213754051U

CN213754051U - Wireless charging device

Info

Publication number: CN213754051U
Application number: CN202022713814.3U
Authority: CN
Inventors: 明振华; 钟乐华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-20
Anticipated expiration: 2030-11-20

Abstract

The utility model provides a wireless charging device. Wireless charging device includes the casing and is fixed in wireless charging assembly in the casing, wireless charging assembly can be used for producing the energy that charges to electronic equipment with external power source electric connection, its wireless charging device still including set up in magnetic part and shielding frame in the casing, the magnetic part is fixed in the shielding frame, the shielding frame is equipped with magnetism wall, magnetism wall is located the outer fringe of wireless charging assembly just the magnetic part is located the magnetic wall is kept away from one side of wireless charging device. Because wireless charging device is equipped with the magnetic part, can fix electronic equipment through the magnetic part and fix to ensure that electronic equipment can stably charge, and can fix when placing electronic equipment in wireless charging device, it is very convenient to use.

Description

Wireless charging device

Technical Field

The utility model relates to a wireless charging technology field especially relates to a wireless charging device.

Background

With the development of wireless charging technology, more and more electronic devices (such as mobile phones and smart watches) are charged by using wireless charging devices. However, the conventional wireless charging device needs to be laid flat during the charging process, so that the electronic device can be placed on the wireless charging device, which is not stable. In addition, the existing wireless charging device also clamps and fixes the electronic equipment by arranging a fixing structure on the wireless charging device, but the wireless charging device is not very convenient to use.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a wireless charging device with stable and convenient charging.

The utility model provides a wireless charging device, wireless charging device includes the casing and is fixed in wireless charging assembly in the casing, wireless charging assembly can be used for producing the energy that charges to electronic equipment with external power source electric connection, its wireless charging device still including set up in magnetic part and shielding frame in the casing, the magnetic part is fixed in the shielding frame, the shielding frame is equipped with magnetism wall, it is located to separate the magnetism wall the outer fringe of wireless charging assembly just the magnetic part is located the magnetism wall is kept away from one side of wireless charging device.

Optionally, the magnetic part includes a plurality of magnetic elements that the interval set up in the shielding frame, a plurality of magnetic elements encircle the wireless subassembly that charges sets up, the magnetism wall that separates encircles set up in a plurality of magnetic elements with between the wireless subassembly that charges.

Optionally, each magnetic element comprises at least two magnetic bodies.

Optionally, the shielding frame is further provided with a plurality of fixing structures arranged at intervals, the plurality of fixing structures are respectively fixed to the plurality of magnetic elements one by one, each fixing structure comprises a bottom, the bottom extends out from the magnetic isolation wall along a direction deviating from the wireless charging assembly, and each magnetic element is fixed to the magnetic isolation wall and the bottom.

Optionally, the bottom includes a first free end, a second free end, and a third free end connected to the first free end and the second free end, the third free end is far away from the magnetism isolating wall, and the fixing structure further includes two side portions extending from the first free end and the second free end to a side far away from the bottom, respectively.

Optionally, a side of each magnetic element away from the bottom and a side of each magnetic element away from the magnetism isolating wall are exposed in the housing.

Optionally, the two side portions cover a side of the corresponding magnetic element facing the other magnetic element.

Optionally, the casing is provided with an opening, the magnetism isolating wall is provided with a notch at a position corresponding to the opening, the wireless charging assembly is provided with a connecting wire, one end of the connecting wire is connected to the wireless charging assembly, and the other end of the connecting wire penetrates through the notch to be electrically connected with an external power supply.

Optionally, the other end of the connection line is provided with a first connector electrically connected with the external power supply, the connection line penetrates out of the shell, and the first electrical connector can be electrically connected with the external power supply and is used for enabling the external power supply to be electrically connected with the wireless charging assembly.

Optionally, the wireless charging device is further provided with a second connector, the other end of the connecting line is connected with the second connector, so that the wireless charging assembly is electrically connected with the second connector, the second connector is detachably connected with an external connecting line, and the second connector can be electrically connected with an external power supply through an external connecting line, so that the external power supply is electrically connected with the wireless charging assembly.

Optionally, the wireless charging device is provided with a coil, the housing includes a first housing and a second housing, the wireless charging device is disposed in the first housing, the magnetic isolation wall surrounds the coil and is concentrically disposed with the coil, and the second housing is opposite to the coil and covers the first housing.

In the above embodiment, since the wireless charging device is provided with the magnetic part, the electronic equipment can be fixed through the magnetic part, so that the electronic equipment can be stably charged, and the electronic equipment can be fixed when being placed in the wireless charging device, so that the wireless charging device is very convenient to use. In addition, the magnetic part is fixed on the shell through the shielding frame, and the shielding frame is provided with the magnetic isolation wall, so that the interference of a magnetic field of the magnetic part on the wireless charging assembly can be shielded, and the phenomenon that the magnetic part influences the charging of the wireless charging device in the charging process of the electronic equipment by the wireless charging device is further avoided.

Drawings

Fig. 1 is a perspective view of a wireless charging device according to a first embodiment.

Fig. 2 is a first exploded perspective view of the wireless charging device shown in fig. 1.

Fig. 3 is a second exploded perspective view of the wireless charging device shown in fig. 1.

Fig. 4 is a third exploded perspective view of the wireless charging device shown in fig. 1.

Fig. 5 is a fourth exploded perspective view of the wireless charging device shown in fig. 1.

Fig. 6 is a perspective view of a shield of the wireless charging device shown in fig. 1.

Fig. 7 is a perspective view of a wireless charging device according to a second embodiment shown in fig. 1.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

For a clearer and more accurate understanding of the present invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings. Description of drawings the accompanying drawings illustrate examples of embodiments of the present invention, in which like reference numerals refer to like elements. It is to be understood that the drawings are not to scale as the actual practice of the invention, but are for illustrative purposes and are not drawn to scale.

Referring to fig. 1 and 2, a wireless charging device 100 includes a housing 11 and a wireless charging assembly 12 fixed in the housing 11. The wireless charging assembly 12 is electrically connected to an external power source for generating energy for charging an electronic device (not shown). More specifically, the wireless charging assembly 12 may be electrically connected to an external power source through a connection line 16. The wireless charging device 100 further includes a magnetic member 14 and a shielding frame 15 disposed in the housing 11. The magnetic member 14 is fixed to the shield frame 15. The shielding frame 15 is provided with a magnetic isolation wall 150, the magnetic isolation wall 150 is located at the outer side of the wireless charging assembly 12, and the magnetic member 14 is located at a side of the magnetic isolation wall 150 away from the wireless charging assembly 12.

In some possible embodiments, the electronic device may be a cell phone, a smart watch, or the like. The external power source (not shown) may be commercial power, or may be a mobile power source, an electronic device, or the like. The connecting wires 16 may be internal or external connecting wires.

In the above embodiment, since the wireless charging device 100 is provided with the magnetic part 14, the electronic device can be fixed by the magnetic part 14, so that the electronic device can be stably charged, and the electronic device can be fixed when being placed in the wireless charging device 100, which is very convenient to use. In addition, the magnetic member 14 is fixed in the housing 11 through the shielding frame 112, and the shielding frame 15 is provided with the magnetic isolation wall 150, so that interference of the magnetic field of the magnetic member 11 on the wireless charging assembly 12 can be shielded, and further, the phenomenon that the magnetic member 14 affects charging of the wireless charging device 100 in the process of charging the electronic device by the wireless charging device 100 is avoided, that is, the shielding frame 15 can fix the magnetic member 14 to attract the electronic device, and can protect the wireless charging assembly 12, so that the wireless charging assembly 12 is charged at high power.

Referring to fig. 3-5, the wireless charging assembly 12 includes a circuit board 120 and a coil 122 electrically connected to the circuit board 120. The coil 122 and the circuit board 120 are stacked.

The housing 110 is provided with an opening 1100. The housing 11 includes a first housing 110 and a second housing 112. The first housing 110 is made of a metal material, more specifically, a magnetizable metal material. The first housing 110 includes a bottom wall 1101 and a side wall 1102. The opening 1100 is disposed in the sidewall 1102. The bottom wall 1101 and the side wall 1102 together define a receiving cavity 1103. The wireless charging assembly 12 is placed in the accommodating cavity 1103, the circuit board 120 is disposed toward the bottom wall 1101, and the coil 122 is disposed away from the circuit board 120. In this embodiment, the bottom wall 1101 is further provided with a pad 11011, and the pad 11011 is used for supporting one side of the circuit board 120 and protecting the circuit board 120. The second housing 112 covers the first housing 110 to seal the receiving cavity 1103.

Referring to fig. 5 again, the magnetic member 14 includes a plurality of magnetic elements 140 disposed at intervals on the shielding frame 15. A plurality of magnetic elements 140 are disposed around the wireless charging assembly 11. Each magnetic element includes at least two magnetic bodies 1401. In the present embodiment, the number of the two magnetic bodies 1401 is two. The magnetic element 140 made of two magnetic bodies 140 has a lower cost than the magnetic element 140 made of a single magnetic body under the condition of the same volume.

Referring to fig. 6, the magnetic isolation wall 150 is disposed around the plurality of magnetic elements 140 and the wireless charging assembly 12. More specifically, the magnetic isolation wall 150 surrounds the coil 122 and is disposed concentrically with the coil 122. The magnetic isolation wall 150 is a long strip-shaped sheet-like object located between the first casing 110 and the second casing 112. Notches 1501 are formed in the magnetic shielding wall 150 at positions corresponding to the openings 1100.

The shielding frame 15 is further provided with a plurality of fixing structures 151 arranged at intervals. The plurality of fixing structures 151 fix the plurality of magnetic elements 140 one by one, respectively. The securing structure 151 includes a bottom 1510 and two side portions 1511. The bottom 1510 extends from the magnetic partition wall 150 in a direction away from the wireless charging assembly 11, each magnetic element 140 is fixed to the bottom 1510 of the magnetic partition wall 150, and the bottom 1510 is fixed to the bottom wall 1101 under the magnetic force of the magnetic element 140. The shielding frame 15 can be fixed on the bottom wall 1101 through the magnetic element 140 without using an adhesive, which is more convenient and has better production efficiency.

The base 1510 includes a first free end 15101, a second free end 15102, and a third free end 15103 coupled to the first free end 15101 and the second free end 15102. The third free end 15103 is distal to the magnetic shield wall 150. The two side portions 1511 extend from the first free end 15101 and the second free end 15102 to a side away from the bottom portion 1510, respectively. The two side portions 1511 partially cover the corresponding magnetic element 140 on the side facing the other magnetic element 140. That is, in the present embodiment, a side of each magnetic element 140 away from the bottom 1510 and a side of each magnetic element 140 away from the magnetic isolation wall 150 are all exposed to the shielding frame 15, and a side facing an adjacent magnetic element 140 is partially exposed to the shielding frame 15. In some possible embodiments, the side of the magnetic element 140 away from the bottom 1510 is exposed to the shielding frame 15, and the other sides can be shielded by the shielding frame 15. Similarly, the magnetic element 140 can be directly attached to the shielding frame 15 without adhesive, and is convenient to process and high in production efficiency.

The shielding frame 15 and the components disposed on the shielding frame 15 are made of iron sheets, and the magnetic force of the magnetic component 140 toward the second housing 112 can be enhanced by the bottom 1510 and the side 1511, so that the electronic device can be more firmly attracted when being charged.

In the present embodiment, the wireless charging device 100 is electrically connected to an external power source by using a built-in connection wire. Specifically, the wireless charging assembly 100 is also provided with a built-in connection cord 16. One end of the built-in connection cord 16 is connected to the wireless charging assembly 12, and more specifically, one end of the built-in connection cord 16 is connected to the circuit board 120 of the wireless charging assembly 12. The other end of the connecting wire 16 passes through the notch 1501. The other end of the built-in connection line 16 is provided with a first connector 161 electrically connected to an external power source. The internal connection cord 16 exits the housing 11 through the opening 1100. The first electrical connector 161 is electrically connected to an external power source, and is used for establishing an electrical connection between the external power source and the wireless charging assembly 12, so that the wireless charging assembly 12 generates energy for charging the electronic device.

Referring to fig. 7, in some possible embodiments, the wireless charging device 100 may also be electrically connected to an external power source through an external connection line. Specifically, the wireless charging device 100 is also provided with the second connector 17. The other end of the built-in connection line (not shown) is connected to the second connector 17, so that the wireless charging assembly 12 is electrically connected to the second connector 17. The second connector 17 is detachably connected to the external connection line 16 'and the second connector is electrically connected to the external power source through the connection line 16' for establishing an electrical connection between the external power source and the wireless charging assembly 12.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, to the extent that such modifications and variations fall within the scope of the invention and the equivalent techniques thereof, it is intended that the present invention also encompass such modifications and variations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the following claims.

Claims

1. The utility model provides a wireless charging device, wireless charging device includes the casing and is fixed in wireless charging assembly in the casing, wireless charging assembly can be used for producing the energy that charges to electronic equipment with external power source electric connection, a serial communication port, wireless charging device still including set up in magnetic part and shielding frame in the casing, the magnetic part is fixed in the shielding frame, the shielding frame is equipped with and separates the magnetism wall, it is located to separate the magnetism wall the wireless charging assembly outside just the magnetic part is located separate the magnetism wall and keep away from one side of wireless charging device.

2. The wireless charging device of claim 1, wherein the magnetic member comprises a plurality of magnetic elements disposed at intervals on the shielding frame, the plurality of magnetic elements are disposed around the wireless charging assembly, and the magnetic separation wall is disposed around between the plurality of magnetic elements and the wireless charging assembly.

3. The wireless charging device of claim 2, wherein each magnetic element comprises at least two magnetic bodies.

4. The wireless charging device according to any one of claims 2 to 3, wherein the shielding frame is further provided with a plurality of fixing structures arranged at intervals, the plurality of fixing structures respectively fix the plurality of magnetic elements one by one, each fixing structure comprises a bottom, the bottom extends from the magnetic isolation wall along a direction away from the wireless charging assembly, and each magnetic element is fixed to the magnetic isolation wall and the bottom.

5. The wireless charging apparatus of claim 4, wherein the base includes a first free end, a second free end, and a third free end connected to the first free end and the second free end, the third free end being distal from the magnetic wall, the securing structure further including two side portions extending from the first free end and the second free end, respectively, to a side distal from the base.

6. The wireless charging device of claim 5, wherein a side of each magnetic element away from the bottom is exposed to the shielding frame.

7. The wireless charging device of claim 5, wherein the two side portions cover two sides of the corresponding magnetic element facing two adjacent magnetic elements.

8. The wireless charging device of claim 4, wherein the housing has an opening, a notch is formed at a position of the magnetic isolation wall corresponding to the opening, the wireless charging assembly has a connection wire, one end of the connection wire is connected to the wireless charging assembly, and the other end of the connection wire passes through the notch to be electrically connected to an external power source.

9. The wireless charging device of claim 8, wherein a first connector electrically connected to the external power source is disposed at the other end of the connecting wire, the connecting wire penetrates through the housing, and the first connector is electrically connected to the external power source for establishing an electrical connection between the external power source and the wireless charging assembly.

10. The wireless charging device as claimed in claim 8, wherein a second connector is further provided, and the other end of the connecting wire is connected to the second connector, so that the wireless charging assembly is electrically connected to the second connector, the second connector is detachably connected to an external connecting wire, and the second connector is electrically connected to an external power source through an external connecting wire, so as to establish electrical connection between the external power source and the wireless charging assembly.

11. The wireless charging device of claim 1, wherein the wireless charging device is provided with a coil, the housing comprises a first housing and a second housing, the wireless charging device is disposed in the first housing, the magnetic isolation wall surrounds the coil and is concentric with the coil, and the second housing is opposite to the coil and covers the first housing.