CN221486957U - Battery overcharge safety protection device - Google Patents

Abstract

The utility model provides a battery overcharge safety protection device, which belongs to the technical field of charge protection and comprises a shell, wherein a groove body is arranged in the shell, an elastic component is arranged in the groove body, one end of the elastic component is fixedly connected with a sliding block, the top of the sliding block is fixedly connected with a support frame, a metal block and a connecting block are fixedly connected onto the support frame, one side of the connecting block is fixedly connected with a conducting strip, and a conducting column is fixedly connected into the shell. This battery overcharge safety device, through the cooperation between elastic component, electro-magnet, metal piece, support frame, slider and the cell body, after detecting that the battery is full of, the electro-magnet outage loses magnetic force, makes conducting strip and conductive column separation, places the battery overcharge, and when charging next time, the electro-magnet circular telegram can make conducting strip and conductive column contact, need not to manually reset, uses more convenient safety.

Description

Battery overcharge safety protection device

Technical Field

The utility model belongs to the technical field of charging protection, and particularly relates to a battery overcharge safety protection device.

Background

Lithium ion batteries are receiving attention from various fields because of their high energy density, long cycle life, high voltage plateau, and other advantages. Along with the development of new energy automobiles, the application amount of lithium ion batteries in the field is gradually increased, but the following lithium ion battery safety problem is also in the spotlight of society.

Through searching, the Chinese published patent application number: in CN202220907694.7, a battery overcharge safety device is disclosed, including base, driving motor, spacing subassembly, shell, storehouse and charging seat charge, the shell is bottom open-ended cavity structure setting, the fixed base top of locating of shell. The device is under the user state, and after charging, driving motor drives spacing subassembly counter-rotating, spacing subassembly and the storehouse separation that charges, and the storehouse that charges is launched the outage, avoids the battery to overcharge, has the safety protection effect that adds. However, the charging bin of the device cannot reset by itself after ejection and power failure, and needs to be reset manually when charging next time, so that the device is inconvenient to use.

Disclosure of utility model

The utility model aims to provide a battery overcharge safety protection device, which aims to solve the problem that the battery overcharge safety protection device in the prior art is inconvenient to use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a battery overcharge safety arrangement, includes the casing, the inside of casing is provided with the cell body, the inside of cell body is provided with elastic component, elastic component's one end fixedly connected with slider, the top fixedly connected with support frame of slider, fixedly connected with metal piece and connecting block on the support frame, one side fixedly connected with conducting strip of connecting block, the inside fixedly connected with conducting post of casing, be provided with first wiring end and second wiring end on the casing, the conducting strip passes through the wire and is connected with first wiring end electricity, conducting post and second wiring end electricity are connected, the inside of casing is provided with data processor and controller, the inside fixedly connected with electro-magnet of one end that the casing is close to the conducting post.

As one preferable mode of the utility model, two metal blocks are symmetrically distributed on two sides of the supporting frame, and the number and the positions of the electromagnets are corresponding to those of the metal blocks.

As a preferable aspect of the present utility model, a drag chain is provided on the outer side of the wire.

As one preferable mode of the utility model, one side, close to the drag chain, of the support frame is fixedly connected with a support plate, and the support plate is positioned below the drag chain.

As a preferable mode of the utility model, both sides of the top of the supporting plate are provided with side plates.

Preferably, the elastic component is a coil spring.

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

1. this battery overcharge safety device, through the cooperation between elastic component, electro-magnet, metal piece, support frame, slider and the cell body, after detecting that the battery is full of, the electro-magnet outage loses magnetic force, makes conducting strip and conductive column separation, places the battery overcharge, and when charging next time, the electro-magnet circular telegram can make conducting strip and conductive column contact, need not to manually reset, uses more convenient safety.

2. According to the battery overcharge safety protection device, the drag chain is arranged on the outer side of the lead, so that the lead can be protected, and the lead is prevented from being bent and damaged; through setting up the fagging, can support spacingly to the drag chain, make its removal more steady, be favorable to using widely.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the present utility model;

FIG. 3 is a second schematic view of the internal structure of the present utility model.

In the figure: 1. a housing; 2. a first terminal; 3. a second terminal; 4. a conductive sheet; 5. a conductive post; 6. an electromagnet; 7. a tank body; 8. an elastic component; 9. a data processor; 10. a controller; 11. a metal block; 12. a connecting block; 13. a slide block; 14. a support frame; 15. a supporting plate; 16. a drag chain.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides a battery overcharge safety arrangement, which comprises a housin 1, the inside of casing 1 is provided with cell body 7, the inside of cell body 7 is provided with elastic component 8, the one end fixedly connected with slider 13 of elastic component 8, the top fixedly connected with support frame 14 of slider 13, fixedly connected with metal piece 11 and connecting block 12 on the support frame 14, one side fixedly connected with conducting strip 4 of connecting block 12, the inside fixedly connected with conducting post 5 of casing 1, be provided with first wiring end 2 and second wiring end 3 on the casing 1, conducting strip 4 passes through the wire and is connected with first wiring end 2 electricity, conducting post 5 and second wiring end 3 electricity are connected, the inside of casing 1 is provided with data processor 9 and controller 10, the inside fixedly connected with electro-magnet 6 of one end that casing 1 is close to conducting post 5.

In the specific embodiment of the utility model, the first terminal 2 and the second terminal 3 are connected in series with the power transmission line; the BMS is a battery management system, can monitor information such as the state, temperature, voltage and current of a battery in real time, and transmits the information to the data processor 9, the data processor 9 processes received data and transmits the data to the controller 10, when the controller 10 judges that the battery is fully charged, the controller 10 cuts off the power supply of the electromagnet 6, the electromagnet 6 loses magnetic force, the sliding block 13 drives the supporting frame 14 to move under the action of the elastic component 8, so that the conductive sheet 4 is separated from the conductive column 5, and a power transmission line is interrupted; when charging next time, the electromagnet 6 generates magnetic force after being electrified, the metal block 11 drives the supporting frame 14 to move under the action of the magnetic force, the sliding block 13 overcomes the elastic force of the elastic component 8 and moves along the groove body 7, the conductive sheet 4 is in contact with the conductive column 5, and at the moment, the power transmission line is in a passage, the device does not need to be reset manually, and the use is more convenient and safe.

Specifically, there are two metal blocks 11, the two metal blocks 11 are symmetrically distributed on two sides of the supporting frame 14, and the number and positions of the electromagnets 6 are corresponding to those of the metal blocks 11.

In this embodiment: by arranging the symmetrically distributed metal blocks 11 and the electromagnets 6, the stress on the two sides of the support frame 14 is more uniform.

Specifically, the outside of the wire is provided with a drag chain 16.

In this embodiment: by providing the drag chain 16 on the outside of the wire, the wire can be protected from bending damage.

Specifically, a supporting plate 15 is fixedly connected to one side of the supporting frame 14, which is close to the drag chain 16, and the supporting plate 15 is located below the drag chain 16.

In this embodiment: through setting up fagging 15, can support spacingly to tow chain 16, make its removal more steady.

Specifically, the side plates are provided on both sides of the top of the stay plate 15.

In this embodiment: by arranging the side plates on the two sides of the top of the supporting plate 15, the limiting effect on the drag chain 16 can be improved, and the drag chain 16 is prevented from falling off from the supporting plate 15.

In particular, the elastic element 8 is a helical spring.

In this embodiment: the coil spring as the elastic component 8 has the advantages of high elastic performance, simple structure, easy manufacture, strong durability, strong customizable performance and the like.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a battery overcharge safety device, includes casing (1), its characterized in that: the inside of casing (1) is provided with cell body (7), the inside of cell body (7) is provided with elastic component (8), the one end fixedly connected with slider (13) of elastic component (8), the top fixedly connected with support frame (14) of slider (13), fixedly connected with metal block (11) and connecting block (12) on support frame (14), one side fixedly connected with conducting strip (4) of connecting block (12), the inside fixedly connected with conducting column (5) of casing (1), be provided with first wiring end (2) and second wiring end (3) on casing (1), conducting strip (4) are connected with first wiring end (2) electricity through the wire, conducting column (5) and second wiring end (3) electricity are connected, the inside of casing (1) is provided with data processor (9) and controller (10), the inside fixedly connected with electro-magnet (6) of one end that casing (1) is close to conducting column (5).

2. The battery overcharge safety device of claim 1 wherein: the number of the metal blocks (11) is two, the two metal blocks (11) are symmetrically distributed on two sides of the supporting frame (14), and the number and the positions of the electromagnets (6) are corresponding to those of the metal blocks (11).

3. The battery overcharge safety device of claim 2 wherein: a drag chain (16) is arranged on the outer side of the wire.

4. A battery overcharge safety device of claim 3 wherein: one side of the supporting frame (14) close to the drag chain (16) is fixedly connected with a supporting plate (15), and the supporting plate (15) is positioned below the drag chain (16).

5. The battery overcharge safety device of claim 4 wherein: side plates are arranged on two sides of the top of the supporting plate (15).

6. The battery overcharge safety device of claim 1 wherein: the elastic component (8) is a coil spring.