CN209913539U

CN209913539U - Cell-phone charging device is inhaled to no socket magnetism

Info

Publication number: CN209913539U
Application number: CN201920921570.2U
Authority: CN
Inventors: 张金楚; 姚讯; 凌宇成; 张敏
Original assignee: Changzhou Campus of Hohai University
Current assignee: Changzhou Campus of Hohai University
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-01-07
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses a cell-phone charging device is inhaled to no socket magnetism in cell-phone technical field that charges aims at solving among the prior art cell-phone and adopts the mouth that charges to charge, influences its sealing performance to and frequent plug leads to the mouth that charges to age in advance and the technical problem who becomes invalid. The device comprises a mobile phone back plate, a magnetic suction interface module and a charging wire connected with the magnetic suction interface module; the magnetic suction interface module comprises a magnet and a PCBA (printed Circuit Board Assembly) connected with a charging wire, and a charging contact is arranged on the lower end face of the PCBA; the outer side of the mobile phone back plate is provided with a metal sheet which is connected with the mobile phone main board through a flat cable jack; magnet is arranged on the inner side of the mobile phone back plate, when the lower end face of the magnetic suction interface module is close to the mobile phone back plate from the outer side of the mobile phone back plate, the magnet of the magnetic suction interface module and the magnet of the mobile phone back plate attract each other, and the charging contact of the PCBA plate and the metal sheet of the mobile phone back plate are in contact with each other.

Description

Cell-phone charging device is inhaled to no socket magnetism

Technical Field

The utility model relates to a cell-phone charging device is inhaled to no socket magnetism belongs to the cell-phone technical field that charges.

Background

Most of the current mobile phones adopt a charging port for charging, and the charging mode has the following disadvantages: the sealing performance of the mobile phone is influenced, and the waterproof and dustproof effects are not facilitated; a large amount of dust is accumulated at the charging port, so that bacteria are easy to breed; frequent plug charging is easy to cause the aging and the failure of a charging port. These drawbacks not only affect the user experience, but also restrict the further improvement of the durability and technical performance of the mobile phone product.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides a socket-free magnetic mobile phone charging device, which comprises a mobile phone back plate, a magnetic interface module and a charging wire connected with the magnetic interface module; the magnetic suction interface module comprises a magnet and a PCBA (printed Circuit Board Assembly) connected with a charging wire, and a charging contact is arranged on the lower end face of the PCBA; a metal sheet corresponding to the charging contact is arranged on the outer side of the mobile phone back plate, and the metal sheet is connected to the mobile phone main board through a flat cable socket; the inner side of the mobile phone back plate is provided with a magnet corresponding to the magnet of the magnetic suction interface module, when the lower end face of the magnetic suction interface module is close to the outer side of the mobile phone back plate, the magnet of the magnetic suction interface module and the magnet of the mobile phone back plate attract each other, and the charging contact of the PCBA plate is in contact with the metal sheet of the mobile phone back plate.

Further, PCBA board bottom surface is equipped with the pogoPIN connector, the contact that charges is the spring thimble of pogoPIN connector.

Furthermore, the interface module is inhaled to magnetism still includes upper end shell and the lower extreme shell that holds the PCBA board, and the magnet of interface module is inhaled to magnetism locates the bottom of lower extreme shell, upper end shell and lower extreme shell are insulating material, and the spring thimble exposes in the lower extreme shell.

Further, the insulating material comprises plastic.

Furthermore, the charging wire is a USB data wire, the PCBA board is provided with a female seat terminal, and the USB data wire is connected with the PCBA board through the female seat terminal; the number of the charging contacts is four, and the four charging contacts are respectively and correspondingly connected with a power line, a ground line and two data lines of the USB data line.

Further, four charging contacts are arranged circumferentially and symmetrically.

Furthermore, the magnet of the interface module is inhaled to magnetism includes a plurality of, and a plurality of magnet circumference is evenly arranged.

Compared with the prior art, the utility model discloses the beneficial effect who reaches: the sealing performance of the mobile phone is enhanced, the accumulation of a large amount of dust at the charging port is avoided, the problem of advanced aging of the charging port due to frequent plugging and unplugging charging is solved, and the service life of the mobile phone is prolonged; the magnetic suction interface module is small in size, simple, convenient and portable, and low in manufacturing cost.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of an external structure of the magnetic interface module according to the present invention;

FIG. 3 is a schematic view of the structure of the upper end face of the PCBA board of the present invention;

fig. 4 is a schematic view of the internal structure of the lower end housing of the present invention;

fig. 5 is an exploded view of the inner structure of the lower housing of the present invention;

fig. 6 is a schematic diagram of an outer side structure of the back plate of the mobile phone of the present invention;

fig. 7 is a schematic diagram of an inner side structure of the back plate of the mobile phone of the present invention.

In the figure: 1. a magnetic suction interface module; 2. a USB data line; 3. a mobile phone back panel; 4. an upper end housing; 5. a lower end housing; 6. a female socket terminal; 7. PCBA board; 8. a pogoPIN connector; 9. a magnet; 10. a female seat terminal positioning port; 11. pogoPIN connector securing slots; 12. a magnet fixing groove; 13. a metal sheet; 14. a flat cable jack.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1, it is the overall structure diagram of the present invention, a socket-free magnetic mobile phone charging device, which comprises a magnetic interface module 1, a USB data line 2, and a mobile phone back plate 3.

More specifically, as shown in fig. 2, it is the external structure schematic diagram of the interface module is inhaled to magnetism, the interface module 1 is inhaled to magnetism includes PCBA board 7 and upper end shell 4 and lower end shell 5 that are used for holding PCBA board 7, upper end shell 4 and lower end shell 5 are the plastics material, play insulating and protection effect, the terminal surface welding has four pogo pin connectors 8 under PCBA board 7, four pogo pin connectors 8 correspond power cord, ground wire and two data lines of connecting USB data line 2, the spring thimble of pogo pin connector 8 exposes in the outside of lower end shell 5 bottom, is used as the charging contact;

as shown in fig. 3, which is a schematic structural diagram of the upper end surface of the PCBA board of the present invention, the upper end surface of the PCBA board 7 is welded with the female socket terminal 6, and the USB data cable 2 is connected with the PCBA board 7 through the female socket terminal 6;

as shown in fig. 4, which is a schematic view of the internal structure of the lower end housing of the present invention, three magnets 9 are installed at the bottom of the lower end housing 5, and the four pogo pin connectors 8 are installed at the bottom of the lower end housing 5 to fix and lead out the charging contacts;

as shown in fig. 5, be lower extreme shell inner structure decomposes the sketch map, and lower extreme shell 5 edge is equipped with female seat terminal location mouth 10 for female seat terminal 6 in the location, and lower extreme shell 5 bottom is equipped with four pogoPIN connector fixed slots 11 and three magnet fixed slot 12, and four pogoPIN connectors 8 correspond and install on four pogoPIN connector fixed slots 11, and three magnet 9 corresponds and installs on four magnet fixed slots 12, and three magnet 9 and four pogoPIN connectors 8 of lower extreme shell 5 bottom installation are the even symmetrical arrangement in circumference, so as to do benefit to balanced focus and the appearance pleasing to the eye.

More specifically, as shown in fig. 6 and 7, which are schematic structural diagrams of the outer side and the inner side of the mobile phone backplate of the present invention, three magnets 9 are disposed on the inner side of the mobile phone backplate 3, and the positions of the three magnets 9 correspond to the positions of the three magnets 9 mounted at the bottom of the lower end housing 5 one by one; four metal sheets 13 are arranged on the outer side of the mobile phone back plate 3, the positions of the four metal sheets 13 correspond to the positions of the four pogoPIN connectors 8 arranged at the bottom of the lower end shell 5 one by one, and the metal sheets 13 are connected into a mobile phone mainboard through a flat cable jack 14.

When the lower end surface of the magnetic suction interface module 1 is close to the outer side of the mobile phone back plate 3, the magnet 9 of the magnetic suction interface module 1 and the magnet 9 of the mobile phone back plate 3 attract each other to play a role in fixing and aligning the charging contact, and the magnet 9 of the magnetic suction interface module 1 is arranged at the bottom of the lower end shell 5, so that the action distance is favorably reduced, and the magnet attraction is enhanced; the spring thimbles of the four pogoPIN connectors 8 are respectively correspondingly contacted with the four metal sheets of the mobile phone backboard 3, so that the functions of charging and data transmission of the mobile phone are realized.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. A socket-free magnetic mobile phone charging device is characterized by comprising a mobile phone back plate (3), a magnetic interface module (1) and a charging wire connected to the magnetic interface module (1); the magnetic suction interface module (1) comprises a magnet (9) and a PCBA (printed circuit board assembly) board (7) connected with a charging wire, and a charging contact is arranged on the lower end face of the PCBA board (7); a metal sheet (13) corresponding to the charging contact is arranged on the outer side of the mobile phone back plate (3), and the metal sheet (13) is connected to a mobile phone mainboard through a flat cable socket (14); the inner side of the mobile phone backboard (3) is provided with a magnet (9) corresponding to the magnet (9) of the magnetic suction interface module (1), when the lower end face of the magnetic suction interface module (1) is close to the outer side of the mobile phone backboard (3), the magnet (9) of the magnetic suction interface module (1) and the magnet (9) of the mobile phone backboard (3) are attracted with each other, and the charging contact of the PCBA board (7) and the metal sheet (13) of the mobile phone backboard (3) are contacted with each other.

2. The magnetic mobile phone charging device without the socket of claim 1 is characterized in that a pogo pin connector (8) is arranged on the lower end face of the PCBA (7), and the charging contact is a spring thimble of the pogo pin connector (8).

3. The non-jack magnetic suction mobile phone charging device according to claim 2, wherein the magnetic suction interface module (1) further comprises an upper end housing (4) and a lower end housing (5) for accommodating the PCBA board (7), the magnet (9) of the magnetic suction interface module (1) is arranged at the bottom of the lower end housing (5), the upper end housing (4) and the lower end housing (5) are made of insulating materials, and the spring ejector pin is exposed out of the lower end housing (5).

4. The socketless magnetic powered handset charging apparatus of claim 3 wherein the insulating material comprises plastic.

5. The socket-free magnetic mobile phone charging device according to claim 1, wherein the charging wire is a USB data wire (2), the PCBA (7) is provided with a female socket terminal (6), and the USB data wire (2) is connected with the PCBA (7) through the female socket terminal (6); the number of the charging contacts is four, and the four charging contacts are respectively and correspondingly connected with a power line, a ground line and two data lines of the USB data line (2).

6. The socketless magnetic suction mobile phone charging device as claimed in claim 5, wherein the four charging contacts are circumferentially and symmetrically arranged.

7. The cordless magnetic suction mobile phone charging device according to any one of claims 1 to 6, wherein the magnet (9) of the magnetic suction interface module (1) comprises a plurality of magnets (9), and the plurality of magnets (9) are circumferentially and symmetrically arranged.