CN216054858U

CN216054858U - Automatic short-circuit prevention formation grading clamp for high-power lithium ion battery

Info

Publication number: CN216054858U
Application number: CN202122288060.6U
Authority: CN
Inventors: 刘岩; 郭峰; 何显光
Original assignee: Hebi Nxe Electronics Co ltd
Current assignee: Hebi Nxe Electronics Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-03-15
Anticipated expiration: 2031-09-22

Abstract

The utility model provides an automatic short-circuit prevention formation and grading clamp for a high-power lithium ion battery, which is used for solving the technical problem that the short circuit of the battery is caused by the misplacement of battery discharge in the formation and grading process of the battery by using the existing formation and grading cabinet. The automatic opening and closing device comprises a supporting plate, clamps, automatic opening and closing control mechanisms and isolating mechanisms, wherein the clamps are arranged on the supporting plate, the automatic opening and closing control mechanisms are arranged on two sides of the supporting plate and are connected with an upper opening and closing plate of the clamps, and the isolating mechanisms are arranged on a lower opening and closing plate of the clamps and are positioned between a positive clamp and a negative clamp of one set of clamps. According to the utility model, the isolation mechanism is arranged on the lower opening plate of the clamp, so that an isolation layer is constructed between the positive electrode clamp and the negative electrode clamp of one set of clamps, the situation of dislocation of the battery during placement is prevented, the short circuit of the battery with the formed partial capacity is avoided, the safety and the stability are improved, the opening and closing of the clamp are automatically controlled by the automatic opening and closing mechanism, the working efficiency is improved, and the human resources are saved.

Description

Automatic short-circuit prevention formation grading clamp for high-power lithium ion battery

Technical Field

The utility model relates to the technical field of battery formation and grading equipment, in particular to an automatic short-circuit prevention formation and grading clamp for a high-power lithium ion battery.

Background

In modern battery production, especially in the production of lithium batteries, the formation and the capacity are steps which have a great influence on the production quality of the lithium batteries. The formation generally refers to that a series of technological measures are carried out on the battery which is charged for the first time to lead the performance of the battery to tend to be stable, and the technological measures comprise small current charging and discharging, constant temperature standing and the like; the capacity grading is completed through a formation and grading cabinet (because the basic principles of formation and grading are the same, the formation and grading functions are integrated in the same cabinet and are called as a formation and grading cabinet), the formation and grading cabinet is actually like a charger, and can charge and discharge a large number of batteries at the same time, data of each detection point is obtained through computer management during the capacity grading of the batteries, and therefore the data of the capacity, the internal resistance and the like of the batteries are analyzed, the quality grade of the batteries is determined, and the process is the capacity grading.

In the process of using the chemical component capacity cabinet, the batteries need to be clamped by the clamp for chemical component capacity, and at the moment, two problems occur; secondly, because a set of clip in the formation partial volume cabinet divide into anodal clamp and negative pole clamp, is communicating between anodal clamp and the negative pole clamp, and two utmost point ears of battery are placed respectively in anodal clamp and negative pole clamp and are advanced the formation partial volume, and when the staff when the centre gripping battery, the battery utmost point ear of very easily making pressing from both sides in anodal clamp is put the dislocation and is put in the negative pole clamp, leads to the short circuit at formation partial volume in-process, causes very big influence to production efficiency and production security.

To above-mentioned problem, the researcher has also reformed transform the contained angle of formation partial volume cabinet, like chinese utility model patent "grant notice No. CN202772237U, grant notice day 2013.03.06" discloses a lithium ion battery ization partial volume cabinet anchor clamps, the structure that uses the handle depression bar is opened and shut simultaneously to the contained angle of same row, there is certain promotion effect to the efficiency of placing the battery, still there is manual operation, can't realize automatic opening and shutting completely, and improve clamp itself, still do not solve the technical problem that the battery easily takes place the short circuit.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic short-circuit prevention formation and grading clamp for a high-power lithium ion battery, aiming at the technical problem that short circuit of the battery is caused by dislocation of battery discharge in the process of formation and grading of the battery by an existing formation and grading cabinet.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

the utility model provides an automatic short circuit formation partial volume anchor clamps are prevented to high power lithium ion battery, includes backup pad, clip, automatic control opening and closing mechanism and isolating mechanism, and the clip is installed in the backup pad, and automatic control opening and closing mechanism sets up in the both sides of backup pad and is connected with the last open-close plate of clip, and isolating mechanism sets up and just is located between the positive pole clamp and the negative pole clamp of one set of clip on the lower open-close plate of clip.

Further, the isolation mechanism comprises an isolation plate which is vertically fixed between the positive electrode clamp and the negative electrode clamp of the set of clamps.

Furthermore, the division board is 1 style of calligraphy structure or T style of calligraphy structure, and the width of division board is half of the clip width.

Further, the isolation mechanism encloses the fender including keeping apart, keeps apart to enclose to keep apart and keeps off the setting on the both ends of the lower plywood of anodal clamp and negative pole clamp, and the last open-close board that anodal clamp and negative pole pressed from both sides is located to keep apart and encloses between the fender.

Furthermore, the automatic control mechanism that opens and shuts includes control box and control lever, and the control box setting is in the both sides of backup pad, and the control lever passes the last open and shut board's of clip upper end and the both ends of control lever and is connected with the output of control box.

Furthermore, a rotating motor, a gear and a transmission chain are arranged inside the control box, the rotating motor is installed inside the control box, the gear is installed at the output end of the rotating motor, a transmission rod is arranged above the rotating motor, the transmission rod is in transmission connection with the gear through the transmission chain, and one side of the transmission chain is connected with the end portion of the control rod.

Furthermore, a control switch is arranged on the side wall of the control box and is respectively connected with the rotating motor and the power supply.

The utility model has the beneficial effects that:

1. according to the utility model, the isolation mechanism is arranged on the lower plywood of the clamp of the support plate, so that an isolation layer is constructed between the positive clamp and the negative clamp of one set of clamps, the situation that the battery tabs are staggered when placed is prevented, the short circuit of the battery with the formed partial capacity is avoided, and the safety and stability are improved.

2. The utility model uses a combined mechanism of the control box and the control rod, and controls the control rod to move up and down by using the transmission connection of the rotating motor, the gear and the chain in the control box, thereby achieving the purpose of opening and closing the clamp by moving the rear end of the upper opening-closing plate of the clamp up and down.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of a closed state of a clip according to embodiment 1 of the present invention.

Fig. 2 is a schematic view of the opened state of the clamp according to embodiment 1 of the present invention.

Fig. 3 is a schematic view of the internal structure of the control box according to embodiment 1 of the present invention.

Fig. 4 is a schematic view of the opened state of the clamp according to embodiment 2 of the present invention.

Fig. 5 is a schematic view of a closed state of the clamp according to embodiment 3 of the present invention.

Fig. 6 is a schematic view of the opened state of the clamp according to embodiment 3 of the present invention.

In the figure, 1-supporting plate, 2-clamp, 3-isolation plate, 4-isolation enclosure, 5-control box, 6-control rod, 7-rotary motor, 8-gear, 9-drive chain and 10-drive rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

Embodiment 1, as shown in fig. 1, an automatic short-circuit prevention formation partial volume clamp for a high-power lithium ion battery comprises a supporting plate 1, a clamp 2, an automatic control opening and closing mechanism and an isolating mechanism, wherein the clamp 2 is installed on the supporting plate 1, the automatic control opening and closing mechanism is arranged on two sides of the supporting plate 1 and connected with an upper opening and closing plate of the clamp 2, and the isolating mechanism is arranged on a lower opening and closing plate of the clamp 2 and located between a positive clamp and a negative clamp of one set of the clamp 2. When the battery needs to be formed into a component and a capacity, firstly, as shown in fig. 2, a worker controls the opening of the clamp 2 by using the automatic control opening and closing mechanism; secondly, the working personnel respectively place the battery tabs in the positive electrode clamp and the negative electrode clamp, and the situation of misplacement of the battery is not easy to happen due to the existence of the isolation mechanism; and thirdly, after the battery is placed, the worker controls the clamp 2 to be closed by using the automatic control opening and closing mechanism to perform battery formation and grading. In the whole process of placing the battery, the opening and closing of the clamp 2 are automatically controlled, the manual participation rate is low, the efficiency is high, the isolation mechanism can prevent the situation that the battery is misplaced, and the safety and the stability are good.

Further, as shown in fig. 1, the separator mechanism includes a separator 3, and the separator 3 is vertically fixed between the positive electrode clamp and the negative electrode clamp of the set of clamps 2. Due to the separation of the isolating plate 3, the problem that the battery pole lugs are easy to be placed and misplaced due to the fact that the positive electrode clamp and the negative electrode clamp are communicated is solved.

It should be noted that, in this embodiment, the isolation plate 3 is an insulating isolation plate, the thickness of the isolation plate 3 is the thickness of the gap between the negative electrode clamp and the positive electrode clamp, the isolation plate 3 is a 1-shaped structure, and the width of the isolation plate 3 is half of the width of the clamp 2, so that the isolation plate 3 is not likely to collide with the automatic opening and closing mechanism during the opening and closing process of the clamp 2.

Further, as shown in fig. 1, the automatic opening and closing control mechanism includes a control box 5 and a control rod 6, the control box 5 is disposed on two sides of the support plate 1, the control rod 6 penetrates through the upper end of the upper opening and closing plate of the clamp 2, and two ends of the control rod 6 are connected with the output end of the control box 5. When the clamp 2 needs to be opened and closed, a worker opens the control box 5, the control box 5 starts to work, the control rod 6 is controlled by output power to reciprocate up and down, the purpose of automatically opening and closing the clamp 2 is achieved, the whole process is automatically controlled, and the efficiency is high.

It should be noted that, in the present embodiment, the control box 5 is provided on both sides of the support plate 1, and the control lever 6 is fixedly connected to the upper opening plate of the clip 2. In other embodiments of the present invention, only one control box 5 may be provided, and the position of the control lever 6 may be provided above the upper opening plate, as long as the object of the present invention is achieved.

Specifically, as shown in fig. 3, a rotary motor 7, a gear 8 and a transmission chain 9 are arranged inside the control box 5, the rotary motor 7 is installed inside the control box 5, the gear 8 is installed at the output end of the rotary motor 7, a transmission rod 10 is arranged at the upper end of the rotary motor 7, the transmission rod 10 is in transmission connection with the gear 8 through the transmission chain 9, and one side of the transmission chain 9 is connected with the end of the control rod 6. The side wall of the control box 5 is provided with a control switch which is respectively connected with the rotating motor 7 and a power supply. When the clamp 2 needs to be opened, a worker starts the rotary motor 7 to work through the control switch, the rotary motor 7 rotates clockwise to drive the transmission chain 9 to rotate clockwise, the control rod 6 moves downwards to drive the rear end of the upper opening plate of the clamp 2 to move downwards, and the clamp 2 is opened; when clip 2 needs to be closed, the staff drives transmission chain 9 anticlockwise rotation through control switch control rotary motor 7 anticlockwise rotation, and control lever 6 upward movement drives the rear end upward movement of the last open-close plate of clip 2, and clip 2 is closed.

Embodiment 2, an automatic short circuit formation partial volume anchor clamps of preventing of high power lithium ion battery, as shown in fig. 4, the difference of this embodiment and embodiment 1 lies in that, division board 3 is T style of calligraphy structure, and when control lever 6 drove the rear end downstream of the last division board of clip 2, the upper end of division board 3 of T style of calligraphy structure can be respectively spacing the front end of the last division board of positive pole clamp and negative pole clamp, prevents that control lever 6 downward movement distance is too long, and clip 2 is because the too big damage that causes of the opening and shutting of opening and shutting.

It is worth to be noted that, in this embodiment, one side of the control box 5 is provided with a limiting groove, the end of the control rod 6 passes through the limiting groove to be connected with the transmission chain 9, when the control rod 6 moves up and down, the limiting groove can limit the movement distance of the control rod 6, and the clip 2 is prevented from being damaged due to the excessively large opening and closing opening when the downward movement distance of the control rod 6 is too long.

Embodiment 3, an automatic short circuit prevention of high power lithium ion battery becomes partial volume anchor clamps, as shown in fig. 5, this embodiment is different from embodiment 1 in that, the isolation mechanism includes that the isolation encloses fender 4, and isolation encloses fender 4 and sets up on the both ends of the lower division plate of positive pole clamp and negative pole clamp, and the last division plate of positive pole clamp and negative pole clamp is located and keeps apart between the fender 4. When placing the battery, as shown in fig. 6, clip 2 opens, when the utmost point ear of battery was placed on the lower plywood of positive pole clamp and negative pole clamp, because keep apart the effect of enclosing fender 4, in case the battery utmost point ear is placed and is taken place the dislocation, keep apart and enclose the top that keeps off 4 and be located battery or battery utmost point ear, when clip 2 was closed, keep apart and enclose taking place the dislocation between fender 4 and the clip 2, lead to clip 2 unable complete closure, battery utmost point ear also unable contact with lower plywood, like this, even the formation partial capacity process of having opened the battery, the battery is also easy because the short circuit takes place the damage, further improve the security, reduce the possibility that the battery damaged.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an automatic short circuit formation partial volume anchor clamps of preventing of high power lithium ion battery, a serial communication port, including backup pad (1), clip (2), automatic control mechanism and isolator, install in backup pad (1) clip (2), automatic control mechanism sets up in the both sides of backup pad (1) and is connected with the last division board of clip (2), isolator sets up on the lower division board of clip (2) and is located between anodal clamp and the negative pole clamp of one set of clip (2).

2. The automatic short-circuit prevention composition capacity grading clamp for the high-power lithium ion battery according to claim 1, wherein the isolation mechanism comprises an isolation plate (3), and the isolation plate (3) is vertically fixed between a positive clamp and a negative clamp of a set of clamps (2).

3. The automatic short-circuit prevention composition capacity grading clamp for the high-power lithium ion battery according to claim 2, wherein the isolation plate (3) is of a 1-shaped structure or a T-shaped structure, and the width of the isolation plate (3) is half of the width of the clamp (2).

4. The automatic short-circuit prevention capacity-grading clamp for the high-power lithium ion battery according to claim 1, wherein the isolation mechanism comprises isolation enclosure barriers (4), the isolation enclosure barriers (4) are arranged at two ends of a lower opening plate of the positive electrode clamp and the negative electrode clamp, and an upper opening plate of the positive electrode clamp and the negative electrode clamp is positioned between the isolation enclosure barriers (4).

5. The automatic short-circuit prevention composition and partial volume clamp for the high-power lithium ion battery according to any one of claims 1 to 4, wherein the automatic control opening and closing mechanism comprises a control box (5) and control rods (6), the control box (5) is arranged on two sides of the support plate (1), the control rods (6) penetrate through the upper ends of the upper opening and closing plates of the clamps (2), and two ends of the control rods (6) are connected with the output ends of the control box (5).

6. The automatic short-circuit prevention capacity-grading clamp for the high-power lithium ion battery according to claim 5, wherein a rotary motor (7), a gear (8) and a transmission chain (9) are arranged inside the control box (5), the rotary motor (7) is installed inside the control box (5), the gear (8) is installed at the output end of the rotary motor (7), a transmission rod (10) is arranged above the rotary motor (7), the transmission rod (10) is in transmission connection with the gear (8) through the transmission chain (9), and one side of the transmission chain (9) is connected with the end of the control rod (6).

7. The automatic short-circuit prevention composition and capacitance grading clamp for the high-power lithium ion battery according to claim 6 is characterized in that a control switch is arranged on the side wall of the control box (5), and the control switch is respectively connected with the rotating motor (7) and a power supply.