CN219180583U

CN219180583U - Automatic capacity-dividing device for lithium battery

Info

Publication number: CN219180583U
Application number: CN202320331782.1U
Authority: CN
Inventors: 孔垂涛; 侯金亮; 桑玉
Original assignee: Yongkang Shenweiye Technology Co ltd
Current assignee: Yongkang Shenweiye Technology Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-06-13
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses an automatic capacity-dividing device for a lithium battery, and relates to the technical field of lithium batteries. The utility model comprises a shell, a pneumatic pushing machine, an electrode plate, limiting seats and a rotating plate, wherein a plurality of limiting seats are fixed at the rear part of the inner wall of the shell, the adjacent limiting seats are mutually fixed, the rotating plate is arranged above the front side of the limiting seats, a contact rod is fixed at the lower part of the rear side of the rotating plate, the pneumatic pushing machine is arranged at the rear part of the shell and corresponds to the limiting seats, and the electrode plate is jointly fixed at the rear parts of the limiting seats. The utility model solves the problems that in the automatic capacity-dividing process of the lithium battery, the power-off is easy to be untimely when the battery is overheated and the battery is easy to cause spontaneous combustion when the overheated battery is not taken down for a long time by arranging the shell, the pneumatic pushing machine, the electrode plate, the limiting seat and the rotating plate, and has the advantages that: the battery can be timely powered off when overheated, and can be timely taken down from the capacity-dividing device.

Description

Automatic capacity-dividing device for lithium battery

Technical Field

The utility model belongs to the technical field related to lithium batteries, and particularly relates to an automatic capacity-dividing device for a lithium battery.

Background

The method is characterized in that a large-capacity power storage battery gradually forms the main force of a power supply, secondary pollution is not caused, the characteristics of memory effect and the like are not possessed, the method gradually becomes the first choice of future market application of power energy, the quality of a lithium battery is related to materials, a good manufacturing process and advanced equipment are also important influencing factors, especially, consistency and performance precision of a formation and separation process are related to activation grading combination pairing of batteries, the important process is one of important processes in the whole battery production process, the formation process is to clamp each battery onto an independent channel clamp of a charging and discharging device in practice, electrodes are in good contact with the battery to realize primary charging, the battery is charged and activated with small current, a passivation layer is formed on the surface of a negative electrode, namely an SEI film, the quality of the SEI film directly influences the cycle life, the stability, the self-discharging performance, the safety and other electrochemical performances of the battery, the SEI film formed by different formation processes is different, the effect on the performance of the battery is also greatly different, the battery is formed by the SEI film, the full capacity is that the battery is formed, the battery is separated by corresponding process conditions, the battery charging and the battery is discharged by corresponding process conditions, the battery charging and the battery is separated by the battery charging and the battery is discharged with different parameters, the quality is guaranteed, the battery charging and the battery is discharged with different parameters and has high quality parameters, and the battery quality is still has the quality to be discharged by the actual requirements when the battery charging and is discharged by the battery is in the high level and has high grade level and has the quality grade:

when the lithium battery is automatically divided into capacity, the battery needs to be taken down in time after the battery is overheated, but in the working process, when the battery is overheated, workers often need to face the capacity dividing operation of a plurality of groups of batteries at the same time, and the battery can not be powered off in time when the battery is overheated in the capacity dividing process, so that potential safety hazards are caused;

when the lithium battery is automatically separated, the battery needs to be manually removed when the battery is overheated, and further detection operation is performed after the battery is cooled, but when the battery is overheated, workers often do not take down timely, the battery is not taken down for a long time, and the risk of spontaneous combustion of the battery is easy to occur.

Disclosure of Invention

The utility model aims to provide an automatic capacity-dividing device for a lithium battery, which solves the problems that in the automatic capacity-dividing process of the lithium battery, the power failure is easy to be untimely when the battery is overheated, and the battery is easy to cause spontaneous combustion when the overheated battery is not taken down for a long time by arranging a shell, a pneumatic pushing machine, an electrode plate, a limiting seat and a rotating plate.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an automatic capacity-dividing device for a lithium battery, which comprises a shell, a pneumatic pushing machine, electrode plates, limiting seats and rotating plates, wherein a plurality of limiting seats are fixed at the rear part of the inner wall of the shell, adjacent limiting seats are mutually fixed, the rotating plates are arranged above the front sides of the limiting seats, contact rods are fixed at the lower parts of the rear sides of the rotating plates, the pneumatic pushing machine is correspondingly arranged behind the shell and the limiting seats, the electrode plates are jointly fixed behind the plurality of limiting seats, when the automatic capacity-dividing device is in operation, the pneumatic pushing machine, the electrode plates, the limiting seats and the rotating plates are connected together through the shell, a battery is limited in the shell through the limiting seats, the conductive pushing plate is pushed to move through the pneumatic pushing machine, electric energy is conveyed through the electrode plates, the battery is supported in the shell through the limiting seats, and one end, far away from the conductive pushing plate, of the battery is electrically connected with a power supply or discharge device when the battery works through the rotating plates.

Further, the rear side of the shell is provided with a movable hole corresponding to the position of the pneumatic pushing machine, the front side of the shell is provided with an opening, and the shell is movably connected with the conductive pushing disc through the movable hole when in work.

Further, the bottom of pneumatic pushing machine is fixed with the base, the output of pneumatic pushing machine is fixed with electrically conductive pushing disc, electrically conductive pushing disc movable connection is in the movable hole, and electrically conductive pushing disc's front end stretches into in the shell, and when pneumatic pushing machine is during work, support on table surface through the base, and the electrically conductive pushing disc motion of pneumatic pushing machine drive.

Further, the electrode plate comprises a plate body, a movable opening and a first binding post, wherein the plate body is fixed at the rear part of the inner wall of the shell, the top of the plate body is correspondingly provided with the movable opening with the position of the pneumatic pushing machine, the front end of the conductive pushing disc is movably connected in the movable opening, one side of the electrode plate is fixedly provided with the first binding post, the first binding post is fixedly connected to one side of the shell in a penetrating way, the first binding post extends out of the shell, and the electrode plate is electrically connected with a power supply or discharging equipment through the first binding post when in work.

Further, the central authorities in the restriction seat are fixed with thermal switch, be fixed with the restriction groove in the middle of the top of restriction seat, the thermal switch top of restriction inslot is inlayed and is fixed with the heat-conducting plate, through thermal switch when the work, when the heat is too high, starts pneumatic pushing machine.

Further, a plurality of the upper portion joint activity of revolving plate has the bull stick, the bull stick week side of revolving plate both sides is fixed with the restriction dish, the both ends of bull stick all are fixed with the supporting shoe, the supporting shoe is fixed at the top of shell, and is close to the supporting shoe top of first terminal one side is fixed with the second terminal, and the revolving plate is in the during operation, through the position of restriction dish restriction revolving plate on the bull stick.

The utility model has the following beneficial effects:

according to the utility model, the problem that the battery is easy to break when overheated in the automatic capacity-dividing process of the lithium battery is solved by arranging the shell, the pneumatic pushing machine, the electrode plate and the limiting seat, when the battery is overheated, the pneumatic pushing machine is started after the overheated heat is guided to the heat-sensitive switch by the heat-conducting plate, the conductive pushing plate is driven to push the battery to move towards the front part of the shell, and when the conductive pushing plate leaves the plate body, the battery is broken, so that the battery can be broken in time after the battery is overheated.

According to the utility model, through arranging the shell, the pneumatic pushing machine, the electrode plate, the limiting seat and the rotating plate, the problem that the spontaneous combustion of the battery is easily caused because the overheated battery is not taken down for a long time in the automatic capacity-dividing process of the lithium battery is solved, and the overheated battery is powered off and then the pneumatic pushing machine drives the conductive pushing disc to continuously move, so that the battery pushes and pushes the rotating plate away, the battery is pushed to leave the limiting seat, the potential safety hazard caused by the fact that the overheated battery is continuously left on the limiting seat is prevented, and the battery immediately starts a cooling procedure.

Drawings

Fig. 1 is a perspective view of an assembled structure of an automatic capacity-dividing device of a lithium battery;

FIG. 2 is a perspective view of the housing structure;

FIG. 3 is a perspective view of the pneumatic pusher;

FIG. 4 is a perspective view of the structure of the electrode plate;

FIG. 5 is a perspective view of the limiting seat structure;

FIG. 6 is a perspective view of a rotating plate structure;

fig. 7 is an enlarged view of the structure at a in fig. 6.

Reference numerals:

100. a housing; 101. a movable hole; 200. a pneumatic pusher; 201. a base; 202. a conductive push plate; 300. an electrode plate; 301. a plate body; 302. a movable opening; 303. a first terminal; 400. a limiting seat; 401. a limiting groove; 402. a thermal switch; 403. a heat conductive plate; 500. a rotating plate; 501. a contact lever; 502. a rotating rod; 503. a restriction plate; 504. a support block; 505. and a second binding post.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-7, the present utility model is an automatic capacity-dividing device for lithium battery, comprising a housing 100, a pneumatic pushing machine 200, an electrode plate 300, a limiting seat 400 and a rotating plate 500, wherein a plurality of limiting seats 400 are fixed at the rear part of the inner wall of the housing 100, the housing 100 connects the pneumatic pushing machine 200, the electrode plate 300, the limiting seat 400 and the rotating plate 500 together, the lithium battery to be divided is supported in the housing 100 by the limiting seats 400 during operation, the adjacent limiting seats 400 are mutually fixed, the rotating plate 500 is arranged above the front side of the limiting seat 400, the limiting seats 400 are connected with a contact rod 501 through the rotating plate 500, the lower part of the rear side of the rotating plate 500 is fixed with the contact rod 501, the end part of the contact rod 501 is in contact with the electrode plate of the battery during operation, so that the electrode plate of the battery is electrically connected with a power supply or a discharging device, the rear part of the housing 100 is correspondingly provided with the pneumatic pushing machine 200, the power for driving the conductive pushing plate 202 to move is generated during operation, a plurality of limiting seats 400 are jointly fixed at the

rear part

300, and 300 during operation, and one end of the battery is electrically connected with one end of the electrode plate 501 far from the contact rod or the discharging device.

As shown in fig. 1 and 2, a movable hole 101 is formed on the rear side of the housing 100 corresponding to the position of the pneumatic pusher 200, the front side of the housing 100 is provided with an opening, and the housing 100 is movably connected with a conductive push plate 202 through the movable hole 101.

As shown in fig. 1 and 3, a base 201 is fixed at the bottom of the pneumatic pusher 200, the pneumatic pusher 200 is supported and fixed on a supporting table surface through the base 201, an output end of the pneumatic pusher 200 is fixed with a conductive push plate 202, the conductive push plate 202 is movably connected in the movable hole 101, and a front end of the conductive push plate 202 extends into the housing 100, and when the conductive push plate 202 works, the conductive push plate 202 contacts with an electrode at the end of a battery, so that one end of the battery far away from the contact rod 501 is electrically connected with a power supply or a discharging device.

As shown in fig. 1 and 4, the electrode plate 300 includes a plate body 301, a movable opening 302 and a first binding post 303, the plate body 301 is fixed at the rear portion of the inner wall of the housing 100, the plate body 301 is connected in the housing 100 during operation, the top of the plate body 301 is provided with the movable opening 302 corresponding to the position of the pneumatic pushing machine 200, the plate body 301 is movably connected with the conductive pushing plate 202 through the movable opening 302 during operation, the front end of the conductive pushing plate 202 is movably connected in the movable opening 302, one side of the electrode plate 300 is fixed with the first binding post 303, the first binding post 303 is fixedly connected at one side of the housing 100, the first binding post 303 extends out of the housing 100, and the first binding post 303 provides an electrical connection for the conductive circuit and the plate body 301 during operation.

As shown in fig. 1 and 5, a thermal switch 402 is fixed in the center of the inside of the limiting seat 400, a limiting groove 401 is fixed in the middle of the top of the limiting seat 400, a heat conducting plate 403 is embedded and fixed above the thermal switch 402 in the limiting groove 401, the limiting seat 400 is movably connected with a battery through the limiting groove 401, heat on the battery is conducted to the thermal switch 402 through the heat conducting plate 403, and when the temperature of the thermal switch 402 is too high, the pneumatic pushing machine 200 is started.

As shown in fig. 1, 6 and 7, the upper parts of the rotating plates 500 are movably connected with a rotating rod 502, when the rotating rod 502 works, the rotating plates 500 are movably connected on the housing 100, limiting discs 503 are fixed on the periphery sides of the rotating rods 502 on two sides of the rotating plates 500, the positions of the rotating plates 500 on the rotating rods 502 are limited by the limiting discs 503, supporting blocks 504 are fixed on two ends of the rotating rods 502, the supporting blocks 504 are fixed on the top of the housing 100, the supporting blocks 504 connect the rotating rods 502 on the top of the housing 100, a second binding post 505 is fixed on the top of the supporting blocks 504 close to one side of the first binding post 303, and when the second binding post 505 works, one pole of a power supply or discharge device is connected with the rotating plates 500.

The specific working principle of the utility model is as follows: when the battery is in operation, firstly, the raised electrode of the battery is aligned with the conductive push plate 202, then the battery is placed in the limit groove 401 at the top of the limit seat 400 in the shell 100, at this time, the contact rod 501 on the rotary plate 500 is pushed, the rotary plate 500 is inclined, one end of the contact rod 501 far away from the rotary plate 500 is connected with the electrode at the end of the battery, after the battery is placed on the limit seat 400 in the shell 100, the first binding post 303 and the second binding post 505 are respectively contacted with the corresponding electrode, then the power supply can be started for charging, or the discharging equipment is started for discharging, in the operation process, when the heat generated by the battery is conducted onto the thermal switch 402 through the heat conducting plate 403, when the battery is overheated, the overheated heat is conducted onto the thermal switch 402 through the heat conducting plate 403, the pneumatic pushing machine 200 is started, the conductive push plate 202 is driven to push the battery towards the front of the shell 100, after the conductive push plate 202 is separated from the plate 301, the battery is powered off, the conductive push plate 202 is continuously moved, the battery is pushed and pushed to the rotary plate 500 is pushed to the position away from the limit seat 400, and the battery is prevented from being pushed to leave the limit seat 400, and the overheated battery is kept on the limit seat 400, and the potential safety hazard is caused.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims

1. The utility model provides an automatic partial volume device of lithium cell, includes shell (100), pneumatic pusher (200), electrode plate (300), restriction seat (400) and revolving plate (500), its characterized in that: the novel electric power generation device is characterized in that a plurality of limiting seats (400) are fixed at the rear part of the inner wall of the shell (100), the adjacent limiting seats (400) are mutually fixed, a rotating plate (500) is arranged above the front side of each limiting seat (400), a contact rod (501) is fixed at the lower part of the rear side of each rotating plate (500), a pneumatic pushing machine (200) is correspondingly arranged at the rear part of the shell (100) and the positions of the limiting seats (400), and electrode plates (300) are jointly fixed at the rear parts of the limiting seats (400).

2. The automatic capacity-dividing device for lithium battery according to claim 1, wherein: the rear side of the shell (100) is provided with a movable hole (101) corresponding to the pneumatic pushing machine (200), and the front side of the shell (100) is provided with an opening.

3. The automatic capacity-dividing device for lithium battery according to claim 2, wherein: the bottom of pneumatic pushing machine (200) is fixed with base (201), the output of pneumatic pushing machine (200) is fixed with electrically conductive pushing disc (202), electrically conductive pushing disc (202) swing joint is in movable hole (101), and the front end of electrically conductive pushing disc (202) stretches into in shell (100).

4. The automatic capacity-dividing device for lithium battery according to claim 3, wherein: the electrode plate (300) comprises a plate body (301), a movable opening (302) and a first binding post (303), wherein the plate body (301) is fixed at the rear part of the inner wall of the shell (100), the movable opening (302) is correspondingly formed in the position of the top of the plate body (301) and the position of the pneumatic pushing machine (200), the front end of the conductive pushing disc (202) is movably connected in the movable opening (302), the first binding post (303) is fixed on one side of the electrode plate (300), the first binding post (303) is fixedly connected on one side of the shell (100), and the first binding post (303) extends out of the shell (100).

5. The automatic capacity-dividing device for lithium battery according to claim 1, wherein: the thermal switch (402) is fixed in the center of the inside of the limiting seat (400), the limiting groove (401) is fixed in the middle of the top of the limiting seat (400), and the heat conducting plate (403) is fixedly inlaid above the thermal switch (402) in the limiting groove (401).

6. The automatic capacity-dividing device for lithium battery according to claim 4, wherein: the upper portions of a plurality of rotating plates (500) are jointly movably connected with rotating rods (502), limiting plates (503) are fixed on the periphery sides of the rotating rods (502) on two sides of the rotating plates (500), supporting blocks (504) are fixed at two ends of each rotating rod (502), the supporting blocks (504) are fixed at the top of the shell (100), and second binding posts (505) are fixed at the tops of the supporting blocks (504) on one side, close to the first binding posts (303).