CN217882899U

CN217882899U - Lithium battery charging protection device

Info

Publication number: CN217882899U
Application number: CN202221598774.5U
Authority: CN
Inventors: 李东升
Original assignee: Shenzhen Herunda Technology Co ltd
Current assignee: Shenzhen Herunda Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-11-22
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses a lithium battery charging protector relates to lithium cell technical field, for solving among the prior art when the lithium cell when charging, meets the overload or overheated condition, and what most of protector adopted is the outage structure, and the lithium cell still links together with the charger, takes place the problem of secondary damage easily. The utility model discloses a protection device, including protector, binding clip, compression spring and material returning plate, protection device's inside is provided with the material returning plate, compression spring is installed to the below of material returning plate, and compression spring passes through fastening screw fixed connection with the material returning plate, compression spring passes through fastening screw fixed connection with protector, the card foot is installed to the below of material returning plate, and the card foot passes through fastening screw fixed connection with the material returning plate, protector's inside is provided with the slide, and slide and protector sliding connection, the dop is installed to one side of slide, and the dop passes through fastening screw fixed connection with the slide, the dop is connected with the interlock of card foot.

Description

Lithium battery charging protection device

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium battery charging protector.

Background

Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries, the lithium ion batteries do not contain metallic lithium and can be charged, the fifth generation products of rechargeable batteries, namely the lithium metal batteries, have better safety, specific capacity, self-discharge rate and cost performance than the lithium ion batteries, and only a few national companies produce the lithium metal batteries due to the high technical requirement limit of the lithium metal batteries;

for example, the application publication number is CN215732462U, the protection device for the lithium battery charging circuit comprises a placing device, wherein a fixing device is fixedly connected to the left side of the outer surface of the placing device, the placing device comprises a placing plate, a device box body is fixedly connected to the upper side of the outer surface of the placing plate, an inserting groove is formed in the left side of the outer surface of the placing plate, a sliding rod is arranged on the inner wall of the inserting groove, a raising rod is arranged at the upper end of the sliding rod, a sliding plate is arranged at the upper end of the raising rod, and a plug is arranged on the upper side of the outer surface of the sliding plate;

above-mentioned application is used for lithium battery charging circuit's protector, when the inserted bar is pegged graft with the slot, make the slide bar drive the motion of stick up the pole, thereby make the slide drive the motion of fixed frid, thereby make the carousel drive the fixed plate motion, when fixed plate and dead lever surface one side overlap joint, make the dead lever drive the plug motion, when the plug is pegged graft with the charger, make placer fixed with fixed fixing device, thereby make the plug fixed, prevent to drop the electric leakage, but when the lithium cell is charging, meet the overload or overheated condition, the still outage structure of adoption, the lithium cell still links together with the charger, secondary damage takes place easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium battery charging protector to what propose in solving above-mentioned background art runs into the overload or the overheated condition when the lithium cell is charging, what most of protector adopted all is the outage structure, and the lithium cell still links together with the charger, takes place the problem of secondary damage easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium battery charging protector, includes protector, protector's inside is provided with the material returned board, compression spring is installed to the below of material returned board, and compression spring passes through fastening screw fixed connection with the material returned board, compression spring passes through fastening screw fixed connection with protector, the card foot is installed to the below of material returned board, and the card foot passes through fastening screw fixed connection with the material returned board, protector's inside is provided with the slide, and slide and protector sliding connection, the dop is installed to one side of slide, and the dop passes through fastening screw fixed connection with the slide, the dop is connected with the interlock of card foot.

Preferably, a spring is installed on one side of the sliding plate, the spring is fixedly connected with the sliding plate through a fastening screw, a pull shaft is installed on one side of the sliding plate, and the pull shaft is fixedly connected with the sliding plate through the fastening screw.

Preferably, one side of the spring is provided with a fixed plate, the fixed plate is fixedly connected with the spring through a fastening screw, the pull shaft is connected with the fixed plate in a sliding manner, one side of the fixed plate is provided with a magnetic suction plate, and the magnetic suction plate is fixedly connected with the pull shaft through the fastening screw.

Preferably, the protection device is internally provided with an electromagnetic suction device, the electromagnetic suction device is fixedly connected with the protection device through a fastening screw, and the electromagnetic suction device is magnetically connected with the magnetic suction plate.

Preferably, protector's top is provided with the lithium cell, the lithium cell laminates with the stripper plate, the both ends of lithium cell all are provided with the connection electrode, connect electrode and protector fixed connection.

Preferably, protector's internally mounted has supply socket, and supply socket passes through fastening screw fixed connection with protector, the transformer is installed to one side of supply socket, and transformer and supply socket electric connection, control circuit board is installed to one side of transformer, and control circuit board and transformer electric connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a through material return plate and compression spring's setting, the lithium cell is pressed in the top of material return plate, make compression spring compressed, make compression spring have elastic potential energy, material return plate will be blocked by fixed through card foot and dop simultaneously, and when the charger takes place to transship or other dangerous circumstances, dop and card foot will be separated, the material return plate will be ejecting by compression spring, with the ejecting protector of lithium cell, thereby make lithium cell and charge structure realize thorough separation on the physical layer, the lithium cell has been avoided by secondary damage.

2. The utility model discloses a through the setting of electromagnetism suction means and magnetism suction disc, magnetism suction disc passes through the axle pulling with the slide and is connected, will produce the electromagnetism appeal after the electromagnetism suction means circular telegram, and the electromagnetism suction means will inhale magnetism to magnetism suction disc to drag the slide, make dop and card foot disconnection, simple structure, and the operation is reliable, uses safe and reliable more.

Drawings

Fig. 1 is a front view of a lithium battery charging protection device of the present invention;

fig. 2 is a schematic diagram of an internal structure of a lithium battery charging protection device according to the present invention;

fig. 3 is an enlarged schematic view of a position a in the drawing of the present invention.

In the figure: 1. a guard; 2. a lithium battery; 3. connecting an electrode; 4. a power socket; 5. a transformer; 6. a control circuit board; 7. a material returning plate; 8. a compression spring; 9. clamping a pin; 10. clamping a head; 11. a slide plate; 12. a spring; 13. pulling the shaft; 14. fixing a plate; 15. a magnetic attraction plate; 16. an electromagnetic suction device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a lithium battery charging protector, including protector 1, protector 1's inside is provided with material returned board 7, compression spring 8 is installed to material returned board 7's below, and compression spring 8 passes through fastening screw fixed connection with material returned board 7, compression spring 8 passes through fastening screw fixed connection with protector 1, card foot 9 is installed to material returned board 7's below, and card foot 9 passes through fastening screw fixed connection with material returned board 7, protector 1's inside is provided with slide 11, and slide 11 and protector 1 sliding connection, dop 10 is installed to one side of slide 11, and dop 10 passes through fastening screw fixed connection with slide 11, dop 10 is connected with card foot 9 interlock.

Further, spring 12 is installed to one side of slide 11, and spring 12 passes through fastening screw fixed connection with slide 11, and pull 13 is installed to one side of slide 11, and pull 13 and slide 11 pass through fastening screw fixed connection, and slide 11, pull 13 and spring 12 all are provided with four.

Further, fixed plate 14 is installed to one side of spring 12, and fixed plate 14 passes through fastening screw fixed connection with spring 12, draws axle 13 and fixed plate 14 sliding connection, and one side of fixed plate 14 is provided with magnetism and inhales board 15, and magnetism inhales board 15 and draws axle 13 and pass through fastening screw fixed connection, and fixed plate 14 and magnetism and inhales board 15 and all is provided with four.

Further, the interior of the protection device 1 is provided with an electromagnetic suction device 16, the electromagnetic suction device 16 is fixedly connected with the protection device 1 through a fastening screw, the electromagnetic suction device 16 is magnetically connected with the magnetic suction plate 15, the number of the electromagnetic suction devices 16 is four, and the electromagnetic suction device 16 is electrically connected with the control circuit board 6.

Further, protector 1's top is provided with lithium cell 2, and lithium cell 2 and the laminating of material returned board 7, lithium cell 2's both ends all are provided with connects electrode 3, connects electrode 3 and protector 1 fixed connection, and material returned board 7 is provided with two, connects electrode 3 and 6 electric connection of control circuit board.

Further, power socket 4 is installed inside protector 1, and power socket 4 passes through fastening screw fixed connection with protector 1, and transformer 5 is installed to one side of power socket 4, and transformer 5 and power socket 4 electric connection, and control circuit board 6 is installed to one side of transformer 5, and control circuit board 6 and transformer 5 electric connection, and control circuit board 6 is provided with two.

The working principle is as follows: during the use, block lithium cell 2 to the inboard of protector 1, connect electrode 3 and lithium cell 2 contact, supply socket 4 is connected with the power, carry out the vary voltage back through transformer 5 and charge for lithium cell 2, and when charging fault or the overheated condition of overload take place, control circuit board 6 will be for electromagnetic suction device 16 charges, electromagnetic suction device 16 produces magnetic attraction, electromagnetic suction device 16 will absorb magnetic attraction board 15, magnetic attraction board 15 will pass through pull shaft 13 pulling slide 11, slide 11 pulling dop 10, make dop 10 and card foot 9 separate, material returning plate 7 is ejecting under compression spring 8's elastic potential energy, lithium cell 2 will also be ejected, realize the working effect of thorough separation between lithium cell 2 and the protector 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a lithium battery charging protector, includes protector (1), its characterized in that: the inside of protector (1) is provided with material returned board (7), compression spring (8) are installed to the below of material returned board (7), and compression spring (8) pass through fastening screw fixed connection with material returned board (7), compression spring (8) pass through fastening screw fixed connection with protector (1), card foot (9) are installed to the below of material returned board (7), and card foot (9) pass through fastening screw fixed connection with material returned board (7), the inside of protector (1) is provided with slide (11), and slide (11) and protector (1) sliding connection, dop (10) are installed to one side of slide (11), and dop (10) and slide (11) pass through fastening screw fixed connection, dop (10) and card foot (9) interlock are connected.

2. The lithium battery charging protection device of claim 1, wherein: spring (12) are installed to one side of slide (11), and spring (12) pass through fastening screw fixed connection with slide (11), pull shaft (13) are installed to one side of slide (11), and pull shaft (13) and slide (11) pass through fastening screw fixed connection.

3. The lithium battery charging protection device of claim 2, wherein: fixed plate (14) is installed to one side of spring (12), and fixed plate (14) passes through fastening screw fixed connection with spring (12), pull shaft (13) and fixed plate (14) sliding connection, one side of fixed plate (14) is provided with magnetism suction disc (15), magnetism suction disc (15) pass through fastening screw fixed connection with pull shaft (13).

4. A lithium battery charging protection device according to claim 3, characterized in that: the electromagnetic suction device is characterized in that an electromagnetic suction device (16) is arranged inside the protection device (1), the electromagnetic suction device (16) is fixedly connected with the protection device (1) through a fastening screw, and the electromagnetic suction device (16) is magnetically connected with a magnetic suction plate (15).

5. The lithium battery charging protection device of claim 1, wherein: the lithium battery (2) is arranged above the protection device (1), the lithium battery (2) is attached to the material return plate (7), the two ends of the lithium battery (2) are provided with the power connection electrodes (3), and the power connection electrodes (3) are fixedly connected with the protection device (1).

6. The lithium battery charging protection device of claim 1, wherein: the utility model discloses a transformer, including protector (1), power socket (4), transformer (5), and transformer (5) and power socket (4) electric connection, the internally mounted of protector (1) has supply socket (4), and supply socket (4) and protector (1) pass through fastening screw fixed connection, transformer (5) are installed to one side of supply socket (4), and transformer (5) and supply socket (4) electric connection, control circuit board (6) are installed to one side of transformer (5), and control circuit board (6) and transformer (5) electric connection.