CN214227874U

CN214227874U - Wireless charger of electronic equipment

Info

Publication number: CN214227874U
Application number: CN202022811878.7U
Authority: CN
Inventors: 洪伟裕; 洪雪云
Original assignee: Chedafu Shenzhen Technology Co ltd
Current assignee: Chedafu Shenzhen Technology Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-09-17
Anticipated expiration: 2030-11-27

Abstract

The utility model provides a wireless charger of electronic equipment, which comprises an outer shell, the shell upper surface is equipped with the district of placing that is used for placing electronic equipment, be equipped with circuit board, transmitting coil in the shell, draw magnetic sheet and a plurality of magnet, the shell is equipped with the interface that charges, the interface that charges is connected with the circuit board electricity, transmitting coil establishes draw the magnetic sheet top, the magnet distributes around the transmitting coil, be the distribution that has the interval between the magnet, transmitting coil is connected with the circuit board electricity. Aiming at the technical problem that the wireless charger in the prior art can not fix the electronic equipment, the charged electronic equipment is fixed by the magnet, so that the electronic equipment cannot slide down during charging.

Description

Wireless charger of electronic equipment

Technical Field

The utility model relates to a wireless charger of electronic equipment.

Background

At present, wireless chargers are widely used, but most of the existing wireless chargers are horizontally arranged wireless chargers, electronic equipment cannot be fixed by the wireless chargers, and the electronic equipment charged when the wireless chargers deviate can slide off from the wireless chargers. Such wireless chargers cannot be used by being fixed on a wall or in a vehicle.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The technical problem to wireless charger among the prior art can not fix electronic equipment, the utility model provides a wireless charger of electronic equipment, it fixes the electronic equipment who charges through the magnet, makes electronic equipment can not the landing when charging.

2. Technical scheme

In order to solve the above problem, the utility model provides a technical scheme does:

the utility model provides a wireless charger of electronic equipment, includes the shell, the shell upper surface is equipped with the district of placing that is used for placing electronic equipment, be equipped with circuit board, transmitting coil in the shell, draw magnetic sheet and a plurality of magnet, the shell is equipped with the interface that charges, the interface that charges is connected with the circuit board electricity, transmitting coil establishes draw the magnetic sheet top, the magnet distributes around the transmitting coil, be the distribution that has the interval between the magnet, transmitting coil is connected with the circuit board electricity.

Optionally, the opposite sides between adjacent magnets are of the same polarity.

Optionally, the polarity of the side of the magnets facing the placement area is the same.

Optionally, the polarity of the side of the plurality of magnets facing the transmitting coil is the same.

Optionally, the magnet is fixedly attached to the housing.

Optionally, a support for holding the magnet is fixed in the housing, and the magnet is adhered to the support.

Optionally, the bearing is a magnetically non-conductive bearing.

Optionally, the magnet conforms to the inner wall of the housing.

Optionally, the inner side of the magnet is separated from the transmitter coil by a barrier.

Optionally, the enclosing and blocking piece is highland barley paper.

Optionally, the housing comprises a front shell and a rear shell, the front shell and the rear shell are fixed by clamping or fixed by screws or adhered by glue, and the front shell is provided with a placement area.

Optionally, the front shell is provided with a glass surface at the placement area.

Optionally, a support is arranged in the shell and located between the magnetic guiding sheet and the circuit board, a protrusion is arranged in the middle of the support, one side of the support with the protrusion is fixedly connected with the magnetic guiding sheet, and the other side of the support is fixedly connected with the circuit board.

Optionally, the support is a metal support.

Optionally, the device further comprises a mounting piece for clamping, wherein the mounting piece is fixedly or movably connected with the shell.

Optionally, the installed part include with shell fixed connection's base member and with base member complex regulating part, the regulating part includes universal ball, flexure strip and lock nut, the base member is equipped with a plurality of flexure strips, the accommodation space of synthetic universal ball of holding is enclosed to a plurality of flexure strips, flexure strip and lock nut threaded connection to lock universal ball.

Optionally, the mounting part comprises a clamping part, the clamping part comprises a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are movably connected relatively, an elastic piece is connected between the first clamping piece and the second clamping piece, and the clamping part overcomes the elasticity of the elastic piece to clamp the object.

Optionally, the installed part includes connecting portion, connecting portion include and rotate the piece, it is articulated with universal bulb one side to rotate the piece, it is equipped with damping mechanism with universal ball articulated department to rotate the piece.

Optionally, damping mechanism is protruding and establish the damping recess in universal ball one side including the damping of establishing on rotating the piece, perhaps including establishing the damping recess on rotating the piece and establishing the damping arch in universal ball one side, the damping is protruding to be matched with the damping recess, when rotating the piece and rotating universal ball relatively, the continuous block/separation of damping recess and damping arch.

Optionally, the damping groove is a circular groove, a triangular groove, or a trapezoidal groove.

Optionally, the damping groove surrounds a circle at the hinge joint of the rotating member and the universal ball.

Optionally, the circuit board is electrically connected with a thermistor for detecting the temperature of the transmitting coil.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the utility model provides a pair of wireless charger of electronic equipment, it fixes the electronic equipment who charges through the magnet, makes electronic equipment can not the landing when charging.

Drawings

FIG. 1 is an internal top view of a wireless charger;

FIG. 2 is a cross-sectional view of a wireless charging appliance;

fig. 3 is a schematic view of a mount of a wireless charger.

The reference numerals in the schematic drawings illustrate:

11. a front housing; 12. a rear housing; 13. a charging interface; 2. a circuit board; 3. a magnetic guiding sheet; 4. a magnet; 41. a support member; 42. a surrounding blocking part; 5. a placement area; 6. a support member; 7. a mounting member; 71. a universal ball; 711. a linker; 72. an elastic sheet; 73. locking the nut; 74. a first clamping member; 75. a second clamping member; 76. a rotating member; 761. a damping groove; 762. a damping projection; 77. a substrate; 8. and a transmitting coil.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description of the invention, taken in conjunction with the accompanying drawings 1-3.

With reference to fig. 1-3, the wireless charger for electronic devices of the present embodiment includes a housing, the housing includes a front shell 11 and a rear shell 12, the front shell 11 is provided with a placement area 5 for placing the electronic devices, and the placement area 5 is provided with a glass surface. When the electronic equipment is charged, the electronic equipment is placed on the glass surface. And the transmitting coil 8, the magnetic guiding sheet 3, the supporting piece 6 and the circuit board 2 are sequentially arranged below the glass surface. The side of preceding shell 11 or backshell 12 is equipped with the interface 13 that charges, the interface that charges can be the USB interface, interface 13 that charges is connected with circuit board 2 electricity, transmitting coil 8 is connected with circuit board 2 electricity. The size of the magnetic guiding sheet 3 is similar to that of the transmitting coil 8, the magnetic guiding sheet 3 is fixedly adhered to the transmitting coil 8, and the magnetic guiding sheet 3 is fixedly adhered to the supporting piece 6. The middle part of the support piece 6 is provided with a bulge, the magnetic guiding sheet 3 is adhered on the bulge of the support piece 6, and the size of the bulge of the support piece 6 is close to that of the magnetic guiding sheet 3. The supporting member 6 is made of a metal material, and may be made of metal with good heat dissipation performance such as aluminum, iron, or steel in specific application. In specific application, the magnetic guiding sheet 3 can be silicon steel, ferrite, nanocrystalline or amorphous.

A plurality of magnets 4 are arranged around the transmitting coil 8, and the magnets 4 are magnetic magnets. The magnets 4 are arranged in a ring around the transmitter coil 8. The shell is internally provided with a bearing piece 41, the bearing piece 41 can be a plastic bearing piece 41 or a rubber bearing piece, the bearing piece 41 is a circular strip, and the bearing piece 41 is connected to the front shell 11 through screws. The magnet 4 is adhered to the support 41, the magnet 4 is adhered to the inner wall of the front shell 11, and the surrounding stopper 42 is adhered to one side of the magnet 4 close to the transmitting coil 8. In particular, the enclosing and blocking member 42 is highland barley paper. The enclosing and blocking part 42, the inner wall of the front shell 11 and the supporting part 41 enclose to form an accommodating space for placing the magnet 4. During specific application, the magnets 4 are distributed at intervals, the opposite polarities of the adjacent magnets 4 are the same, the polarities of the magnets 4 facing one side of the placement area 5 are the same, and the polarities of the magnets 4 facing one side of the transmitting coil 8 are the same.

The circuit board 2 is provided with a control circuit and an amplifying circuit, the control circuit is respectively electrically connected with the charging interface 13 and the amplifying circuit, and the amplifying circuit is electrically connected with the transmitting coil 8. The control circuit is also connected with a thermistor which is arranged between the transmitting coil 8 and the magnetic guiding sheet 3 to detect the temperature of the transmitting coil 8. During operation, the thermistor sends the temperature signal that detects to control circuit, and control circuit judges the temperature of current transmitting coil 8 according to the temperature signal who receives, and if transmitting coil 8 temperature is too high or low excessively, control circuit can pass through amplifying circuit control transmitting coil 8's magnetic induction, makes transmitting coil 8's temperature control in suitable range.

The circuit board 2 and the support member 6 are connected to the front case 11 by screws. The front case 11 and the rear case 12 are fixed by a screw connection or a snap connection or by an adhesive connection.

The rear shell 12 is fixed with the installed part 7, the installed part 7 includes base member 77, regulation portion, clamping part and connecting portion, base member 77 passes through screw fixed connection or integrated into one piece with rear shell 12. The adjusting part comprises an elastic sheet 72, a universal ball 71 and a locking nut 73. A plurality of elastic pieces 72 are arranged around the base body 77, gaps are formed among the elastic pieces 72, and the plurality of elastic pieces 72 surround to form an accommodating space for accommodating the universal ball 71. The outer side of the elastic piece 72 is provided with threads, the locking nut 73 is provided with threads matched with the threads of the elastic piece 72, and the locking nut 73 is in threaded connection with the elastic piece 72. Tightening the lock nut 73 locks the universal ball 71 in the elastic piece 72, and since the universal ball 71 is of a spherical structure, the universal ball 71 can rotate in the elastic piece 72 to adjust the angle of the wireless charger.

One side of the universal ball 71 is connected with a clamping part, the clamping part comprises a first clamping piece 74 and a second clamping piece 75, an elastic piece is connected between the first clamping piece 74 and the second clamping piece 75 in the embodiment, and the elastic piece is an elastic sheet. The elastic sheet is provided with two bending parts, the first clamping piece 74 and the second clamping piece 75 are both provided with clamping grooves for accommodating the bending parts, the bending parts of the elastic sheet are inserted into the clamping grooves, and when the first clamping piece 74 and the second clamping piece 75 rotate relative to each other by taking the bending parts of the elastic sheet as fulcrums, the elastic force of the bending parts of the elastic sheet is overcome, so that the clamping function is realized. The clamping portion can fix the wireless charger on an object. In other embodiments, the first clamping member 74 and the second clamping member 75 are hinged through a shaft, the first clamping member 74 and the second clamping member 75 can rotate relatively, an elastic member is disposed between the first clamping member 74 and the second clamping member 75, or an elastic member is disposed at the hinged position, and in particular, in an application, the elastic member may be a torsion spring or a spring plate.

The universal ball 71 is characterized in that a connecting portion is further arranged on one side of the universal ball 71 and comprises a rotating piece 76, a connecting body 711 is arranged on one side of the universal ball 71, the rotating piece 76 is hinged to the connecting body 711, and a damping mechanism is arranged at the hinged position of the rotating piece 76 and the connecting body 711. The damping mechanism comprises a damping projection 762 arranged on the rotating part 76 and a damping groove 761 arranged on the connecting body 711, or comprises a damping groove 761 arranged on the rotating part 76 and a damping projection 762 arranged on the connecting body 711, and the damping projection 762 is matched with the damping groove 761 in size. In this embodiment, a plurality of teeth are arranged around the hinge joint of the connecting body 711 and the rotating member 76, a tooth space is formed between two adjacent teeth, and the direction of the teeth is perpendicular to the surface of the connecting body 711. The rotating member 76 is provided with teeth grooves and teeth matching with the teeth grooves and teeth grooves of the connecting body 711. The teeth of the connecting body 711 are engaged with the tooth grooves of the rotating member 76, and the engaged teeth and tooth grooves are continuously engaged/disengaged when the rotating member 76 and the connecting body 711 rotate relatively. When the rotating member 76 rotates to a certain position relative to the connecting body 711, the rotating member 76 is fixed by a damping mechanism. In other embodiments, the direction of the teeth of the connecting body 711 may be the same as the surface of the connecting body 711. In other embodiments, the damping groove 761 may be a circular groove or a trapezoidal groove. When in use, the rotating member 76 can be held by other objects to fix the wireless charger, and the rotating member 76 can adjust the position of the wireless charger through the damping mechanism.

In other embodiments, the connection portion may be a magnetic connection or a suction cup connection.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Claims

1. The utility model provides a wireless charger of electronic equipment, its characterized in that, which comprises an outer shell, the shell upper surface is equipped with the district of placing that is used for placing electronic equipment, be equipped with circuit board, transmitting coil in the shell, draw magnetic sheet and a plurality of magnet, the shell is equipped with the interface that charges, the interface that charges is connected with the circuit board electricity, transmitting coil establishes draw the magnetic sheet top, the magnet distributes around the transmitting coil, be the distribution that has the interval between the magnet, transmitting coil is connected with the circuit board electricity.

2. The wireless charger of claim 1, wherein the opposite sides of adjacent magnets have the same polarity.

3. The wireless charger of claim 1, wherein the polarity of the side of the magnet facing the placement area is the same.

4. The wireless charger according to claim 1, wherein the polarity of the side of the plurality of magnets facing the transmitting coil is the same.

5. The wireless charger of claim 1, wherein the magnet is fixedly attached to the housing.

6. The wireless charger according to claim 5, wherein a holder for holding a magnet is fixed in said housing, said magnet being adhered to said holder.

7. The wireless charger of claim 6, wherein said support is a magnetically non-conductive support.

8. The wireless charger of claim 5, wherein said magnet is attached to an inner wall of the housing.

9. The wireless charger according to claim 1, wherein the inner side of said magnet is separated from said transmitting coil by a barrier.

10. The wireless charger of claim 9, wherein the enclosure is highland barley paper.

11. The wireless charger for electronic equipment as claimed in claim 1, wherein the housing comprises a front shell and a rear shell, the front shell and the rear shell are fixed by clamping or fixed by screws or adhered by glue, and the front shell is provided with a placement area.

12. The wireless charger for electronic equipment as claimed in claim 11, wherein said front housing is provided with a glass surface at said placement area.

13. The wireless charger for electronic equipment as claimed in claim 1, wherein the housing has a supporting member therein, the supporting member is located between the magnetic guiding sheet and the circuit board, the supporting member has a protrusion in the middle, one side of the supporting member having the protrusion is fixedly connected to the magnetic guiding sheet, and the other side of the supporting member is fixedly connected to the circuit board.

14. The wireless charger of claim 13, wherein said support is a metal support.

15. The wireless charger according to any one of claims 1 to 14, further comprising a mounting member for holding, wherein the mounting member is fixedly or movably connected to the housing.

16. The wireless charger of claim 15, wherein the mounting member comprises a base fixedly connected to the housing and an adjusting portion engaged with the base, the adjusting portion comprises a universal ball, a plurality of elastic pieces, and a locking nut, the base is provided with the plurality of elastic pieces, the plurality of elastic pieces surround a space for accommodating the universal ball, and the elastic pieces are in threaded connection with the locking nut to lock the universal ball.

17. The wireless charger of claim 16, wherein the mounting member comprises a clamping portion, the clamping portion comprises a first clamping member and a second clamping member, the first clamping member and the second clamping member are movably connected with each other, an elastic member is connected between the first clamping member and the second clamping member, and the clamping portion clamps an object against the elastic force of the elastic member.

18. The wireless charger according to claim 17, wherein the mounting member comprises a connecting portion, the connecting portion comprises a rotating member, the rotating member is hinged to one side of the universal ball head, and a damping mechanism is disposed at a position where the rotating member is hinged to the universal ball head.

19. The wireless charger of claim 18, wherein the damping mechanism comprises a damping protrusion disposed on the rotating member and a damping groove disposed on one side of the universal ball, or comprises a damping groove disposed on the rotating member and a damping protrusion disposed on one side of the universal ball, the damping protrusion is matched with the damping groove, and when the rotating member rotates relative to the universal ball, the damping groove is continuously engaged with/disengaged from the damping protrusion.

20. The wireless charger for electronic equipment as recited in claim 19, wherein said damping groove is a circular groove, a triangular groove or a trapezoidal groove.

21. The wireless charger of claim 20, wherein said damping groove is formed in a circle around the hinge of said rotating member and said ball.

22. The wireless charger for electronic equipment according to any one of claims 1 to 14 and 16 to 21, wherein the circuit board is electrically connected with a thermistor for detecting the temperature of the transmitting coil.