CN219457732U

CN219457732U - Battery with magnetic attraction charging function

Info

Publication number: CN219457732U
Application number: CN202320764164.6U
Authority: CN
Inventors: 候明来
Original assignee: Dongguan Mingke Electronics Co ltd
Current assignee: Dongguan Mingke Electronics Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-08-01
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a battery with a magnetic charging function, which comprises a battery body, a metal shell and a positive electrode cap, wherein a positive electrode pin and a negative electrode pin are arranged at the upper end of the battery body, the positive electrode pin is electrically connected with the positive electrode cap, the negative electrode pin is electrically connected with the metal shell, a charging assembly is arranged at the bottom of the battery body, the charging assembly comprises a PCB (printed circuit board), a magnet and a charging positive electrode column electrically connected with the PCB, the PCB and the magnet are both arranged at the inner bottom of the metal shell, the charging positive electrode column is electrically connected with the positive electrode pin through a connecting wire, and a first through hole for the charging positive electrode column to extend downwards is arranged at the bottom of the metal shell. According to the utility model, the charging assembly is arranged at the bottom of the battery body, the close charging connector is automatically connected with the charging assembly by utilizing the magnetic attraction effect of the magnet during charging, and a charging loop is formed by the charging positive pole and the bottom of the metal shell, so that the charging operation can be completed without fixing the battery by hands, and the charging convenience is improved.

Description

Battery with magnetic attraction charging function

Technical Field

The utility model relates to the technical field of rechargeable batteries, in particular to a battery with a magnetic attraction charging function.

Background

At present, the cylindrical rechargeable battery can be recycled, so that the purchase cost of a user is reduced, and the application is wide. The cylindrical rechargeable battery is charged by adopting a charging box with a plurality of charging seats, a plurality of clamping groove-shaped charging seats are arranged in the charging box, each battery is required to be accurately placed in the charging seat during charging, and charging is very inconvenient. Therefore, a rechargeable battery with a charging interface appears, the rechargeable battery can be charged through a common data line, the rechargeable battery is not required to be placed in a charging seat, and the charging convenience is improved to a certain extent.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the battery with the magnetic attraction charging function, which can realize automatic connection and positioning of the battery and a charging wire, does not need two hands to operate, and improves the convenience of battery charging.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a take magnetism to inhale battery of function of charging, includes battery body, metal casing and anodal hood, in the metal casing was located to the battery body, the upper end of metal casing is located to anodal hood, the upper end of battery body is equipped with anodal pin and negative pole pin, anodal pin and anodal hood electric connection, negative pole pin and metal casing electric connection, the bottom of battery body is equipped with the subassembly that charges, the subassembly that charges includes PCB board, magnet and the positive post that charges with PCB board electric connection, PCB board and magnet all locate the interior bottom of metal casing, the positive post that charges passes through connecting wire and anodal pin electric connection, the bottom of metal casing is equipped with the first through-hole that supplies the positive post that charges to stretch out downwards. Through set up the subassembly that charges in the bottom of battery body, utilize the magnetism of magnet to inhale the effect and make the charging connector that is close to automatic and the subassembly that charges be connected when charging, form the circuit that charges through the bottom of charging positive pole post and metal casing, need not to go fixed battery with the hand alright accomplish the operation that charges, improved the convenience of charging, improved charging efficiency.

As a preferable scheme, a space is kept between the peripheral side surface of the charging positive pole and the inner side wall of the first through hole, so that the charging positive pole and the metal shell are prevented from forming a short circuit.

As a preferable scheme, one side of the PCB facing the first through hole is provided with a connecting seat, and the charging positive pole is arranged on the connecting seat.

As a preferable scheme, the magnet is arranged on one side of the PCB surface facing the first through hole, and a second through hole matched with the connecting seat is formed in the magnet.

As a preferable scheme, a circular boss is formed at the bottom of the metal shell, an annular step surface is formed at the outer side of the circular boss, and the first through hole is formed in the middle of the circular boss. Through setting up circular boss to can utilize circular boss to fix a position the joint that charges, improve the accuracy of charging connection.

As a preferable scheme, a first insulation structure is arranged between the positive electrode cap and the metal shell, and a second insulation structure is arranged between the connecting wire and the metal shell.

As a preferred embodiment, the battery body has a cylindrical shape.

As a preferable scheme, the PCB and the magnet are round and are coaxially arranged with the battery body. Through setting up PCB board and magnet into circularly, and make PCB board and magnet and the coaxial setting of battery body to can rationally do benefit to metal casing's inner space, reduce the whole volume of battery.

Compared with the prior art, the battery charging device has the obvious advantages and beneficial effects that the charging assembly is arranged at the bottom of the battery body, the close charging connector is automatically connected with the charging assembly by utilizing the magnetic attraction effect of the magnet during charging, a charging loop is formed by the charging positive pole and the bottom of the metal shell, the battery is not required to be fixed by hands, the charging operation is completed, the charging convenience is improved, and the charging efficiency is improved.

For a clearer description of the structural features, technical means, and specific objects and functions achieved by the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is a schematic diagram of an assembled structure of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

FIG. 3 is an exploded view of an embodiment of the present utility model.

The attached drawings are used for identifying and describing:

10. battery body 11, positive electrode pin 12, negative electrode pin

20. Metal casing 21, first through hole 22, circular boss

23. Annular step surface 30, positive electrode cap 40, and charging assembly

41. PCB (printed circuit board) 42, magnet 43 and charging positive pole

44. Connecting wire 45, connecting seat 46 and second through hole

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the positions or elements referred to must have specific directions, be configured and operated in specific directions, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1-3, a battery with a magnetic charging function comprises a battery body 10, a metal shell 20 and a positive electrode cap 30, wherein the battery body 10 is arranged in the metal shell 20, the positive electrode cap 30 is arranged at the upper end of the metal shell 20, a positive electrode pin 11 and a negative electrode pin 12 are arranged at the upper end of the battery body 10, the positive electrode pin 11 is electrically connected with the positive electrode cap 30, and the negative electrode pin 12 is electrically connected with the metal shell 20. It should be understood that the electrical connection in this application may be by way of wires or by way of contacts or pins. The bottom of battery body 10 is equipped with charging assembly 40, charging assembly 40 include PCB board 41, magnet 42 and with PCB board 41 electric connection's positive post 43 that charges, PCB board 41 and magnet 42 all locate metal casing 20's interior bottom, positive post 43 that charges passes through connecting wire 44 and positive pin 11 electric connection, metal casing 20's bottom is equipped with the first through-hole 21 that supplies positive post 43 that charges to stretch out downwards, keep the interval between the week side surface of positive post 43 and the inside wall of first through-hole 21 that charges to avoid charging positive post 43 and metal casing 20 to form the short circuit. In order to solve the problem of short circuit, a first insulation structure (not shown) is disposed between the positive electrode cap 30 and the metal casing 20, and a second insulation structure (not shown) is disposed between the connecting wire 44 and the metal casing 20, and it should be understood that the first insulation structure and the second insulation structure are conventional insulation structures, for example, may be insulated by plastic materials.

Specifically, the PCB 41 is provided with a connecting seat 45 on a side facing the first through hole 21, and the charging positive pole 43 is mounted on the connecting seat 45, so as to improve the stability of connection, and an elastic structure can be disposed between the charging positive pole 43 and the PCB 41, so that the charging positive pole 43 can maintain elastic contact with the charging connector during charging. The magnet 42 is disposed on a side of the PCB 41 facing the first through hole 21, and a second through hole 46 adapted to the connection seat 45 is disposed on the magnet 42. In the present utility model, the battery body 10 has a cylindrical shape. The PCB 41 and the magnet 42 are both circular and are disposed coaxially with the battery body 10. Through setting up PCB board 41 and magnet 42 into circularly, and make PCB board 41 and magnet 42 and the coaxial setting of battery body 10 to can rationally do benefit to the inner space of metal casing 20, reduce the whole volume of battery.

In the present utility model, a circular boss 22 is formed at the bottom of the metal casing 20, an annular step surface 23 is formed at the outer side of the circular boss 22, and the first through hole 21 is disposed at the middle of the circular boss 22. Through setting up circular boss 22 to can utilize circular boss 22 to fix a position the joint that charges, improve the accuracy of charging connection.

In summary, according to the utility model, the charging assembly is arranged at the bottom of the battery body, and the close charging connector is automatically connected with the charging assembly by utilizing the magnetic attraction effect of the magnet during charging, and the charging loop is formed by the charging positive pole and the bottom of the metal shell, so that the charging operation can be completed without fixing the battery by hands, the charging convenience is improved, and the charging efficiency is improved.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, so any modifications, equivalents, improvements, etc. of the above embodiments according to the present utility model are still within the scope of the present utility model.

Claims

1. The utility model provides a take magnetism to inhale battery of function of charging, includes battery body, metal casing and anodal hood, in metal casing was located to the battery body, metal casing's upper end is located to anodal hood, battery body's upper end is equipped with anodal pin and negative pole pin, anodal pin and anodal hood electric connection, negative pole pin and metal casing electric connection, a serial communication port, battery body's bottom is equipped with the subassembly that charges, the subassembly that charges includes PCB board, magnet and the positive post that charges with PCB board electric connection, PCB board and magnet all locate metal casing's interior bottom, the positive post that charges passes through connecting wire and positive pole pin electric connection, metal casing's bottom is equipped with the first through-hole that supplies the positive post that charges to stretch out downwards.

2. The battery with the magnetic charging function according to claim 1, wherein a space is maintained between the circumferential side surface of the charging positive electrode post and the inner side wall of the first through hole.

3. The battery with the magnetic charging function according to claim 1, wherein a connecting seat is arranged on one side of the surface of the PCB facing the first through hole, and the charging positive pole is installed on the connecting seat.

4. The battery with the magnetic charging function according to claim 3, wherein the magnet is arranged on one side of the surface of the PCB, which faces the first through hole, and a second through hole matched with the connecting seat is formed in the magnet.

5. The battery with the magnetic charging function according to claim 1, wherein a circular boss is formed at the bottom of the metal housing, an annular step surface is formed at the outer side of the circular boss, and the first through hole is formed in the middle of the circular boss.

6. The battery with the magnetic charging function according to claim 1, wherein a first insulation structure is arranged between the positive electrode cap and the metal shell, and a second insulation structure is arranged between the connecting wire and the metal shell.

7. The battery with the magnetic charging function according to claim 1, wherein the battery body is cylindrical.

8. The battery with the magnetic charging function according to claim 7, wherein the PCB and the magnet are both circular and are coaxially disposed with the battery body.