CN219224891U

CN219224891U - Cylindrical battery capacity-dividing test fixture

Info

Publication number: CN219224891U
Application number: CN202320083152.7U
Authority: CN
Inventors: 陈昌
Original assignee: Yichang Chuneng New Energy Innovation Technology Co ltd
Current assignee: Yichang Chuneng New Energy Innovation Technology Co ltd
Priority date: 2023-01-28
Filing date: 2023-01-28
Publication date: 2023-06-20
Anticipated expiration: 2033-01-28

Abstract

The utility model relates to a cylindrical battery capacity-dividing test fixture which comprises a base, a clamping mechanism, a first probe, an adapter plate, a limiting block, a probe fixing plate and a second probe, wherein the clamping mechanism is arranged at one end of the base; the clamping mechanism is connected with a first probe through an adapter plate, and the first probe corresponds to one end pole of the cylindrical battery; the second probe is fixedly arranged on the probe fixing plate and corresponds to the pole at the other end of the cylindrical battery; the limiting blocks are respectively arranged on two sides of the cylindrical battery, are contacted with two sides of the cylindrical battery and are fixed on the base. According to the length dimension of the cylindrical battery, the relative position between the probe fixing plate and the clamping mechanism is adjusted; according to the radial dimension of the cylindrical battery, the positions of limiting blocks on two sides of the cylindrical battery are adjusted; through the arrangement, the clamp can be ensured to be suitable for capacity-dividing tests of cylindrical batteries with different sizes.

Description

Cylindrical battery capacity-dividing test fixture

Technical Field

The utility model relates to the technical field of lithium battery testing, in particular to a cylindrical battery capacity-dividing testing clamp.

Background

The capacity-dividing test of the cylindrical battery is to contact the anode and the cathode of the battery through a probe, and then connect the probe to capacity-dividing test equipment through a probe connecting cable for testing.

The existing scheme is that a cylindrical battery is placed in a clamp with the same external dimension as the cylindrical battery, and then a probe is contacted with the anode and the cathode of the battery for testing. The existing scheme can only test the battery with a certain external dimension, and has poor compatibility; when replacing other size battery tests, the fixture (or the fixed base and the probe mounting plate on the fixture) needs to be redesigned.

Disclosure of Invention

In order to solve the problems, the utility model provides a cylindrical battery capacity-dividing test fixture which can be suitable for capacity-dividing tests of cylindrical batteries with different sizes.

The technical scheme adopted by the utility model is as follows: a cylindrical battery capacity-dividing test fixture is characterized in that: the probe fixing device comprises a base, a clamping mechanism, a first probe, an adapter plate, a limiting block, a probe fixing plate and a second probe, wherein the clamping mechanism is arranged at one end of the base, and the probe fixing plate is arranged at the other end of the base; the clamping mechanism is connected with a first probe through an adapter plate, and the first probe corresponds to one end pole of the cylindrical battery; the second probe is fixedly arranged on the probe fixing plate and corresponds to the pole at the other end of the cylindrical battery; the limiting blocks are respectively arranged on two sides of the cylindrical battery, are contacted with two sides of the cylindrical battery and are fixed on the base. According to the length dimension of the cylindrical battery, the relative position between the probe fixing plate and the clamping mechanism is adjusted; according to the radial dimension of the cylindrical battery, the positions of limiting blocks on two sides of the cylindrical battery are adjusted; through the arrangement, the clamp can be ensured to be suitable for capacity-dividing tests of cylindrical batteries with different sizes.

Preferably, the base is arranged in a right triangle which is vertically arranged, and the working surface of the base is an inclined surface; the clamping mechanism, the limiting block and the probe fixing plate are fixed on the working surface of the base. The base is a right triangle which is vertically placed, and the occupied area is small.

Preferably, the working surface is a stepped surface and comprises a first inclined surface and a second inclined surface; the first inclined plane is lower than the second inclined plane along the direction of the inclined plane; the clamping mechanism is arranged on the first inclined plane, and the probe fixing plate is arranged on the second inclined plane. Because the clamping mechanism has a certain height, the working surface is designed into a step surface, so that the first probe and the second probe can be ensured to be positioned at the same height, and the model selection of the clamping mechanism is facilitated.

Preferably, the clamping mechanism comprises an elbow clamp fixing plate and an elbow clamp, wherein a first long waist-shaped hole is formed in the elbow clamp fixing plate along the clamping direction, and a threaded hole which is correspondingly matched with the first long waist-shaped hole is formed in the base; the elbow clamp is fixed on the elbow clamp fixing plate, a clamping rod of the elbow clamp is fixed with the adapter plate, and the adapter plate is fixed with the first probe. Through the design of the first long waist-shaped hole, the position of the elbow clamp is convenient to adjust along the clamping direction (namely the length direction of the battery); the first probe on the elbow clamping movable adapter plate is adopted to move and is contacted with the pole of the cylindrical battery, so that the structure is simple, and the use is convenient.

Preferably, the limiting block is provided with a second long-waist-shaped hole along the vertical direction of the clamping direction, and the base is provided with a threaded hole correspondingly matched with the second long-waist-shaped hole. Through the design of the second long waist hole, the position of the limiting block is conveniently adjusted along the vertical direction (namely the radial direction of the battery) of the clamping direction.

Preferably, the probe fixing plate is provided with a short waist-shaped hole along the clamping direction, and the base is provided with a threaded hole correspondingly matched with the short waist-shaped hole. Through the design of short waist type hole, the position of conveniently following the tight direction of clamp (i.e. battery length direction) adjustment probe fixation plate.

The beneficial effects obtained by the utility model are as follows: according to the utility model, the relative positions between the probe fixing plate and the clamping mechanism can be adjusted according to the length and the size of the cylindrical battery; according to the radial dimension of the cylindrical battery, the positions of limiting blocks on two sides of the cylindrical battery are adjusted. The clamp disclosed by the utility model can be suitable for capacity-dividing tests of cylindrical batteries with different sizes, and has the advantages of simple structure, convenience in operation and good reliability; through adjusting elbow clamp fixed plate, probe fixed plate and stopper's position, can compatible all sizes cylinder batteries test, save time and purchase cost of trading, promote efficiency.

Drawings

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

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a perspective view of FIG. 1;

wherein: 1-a base; 11-a first incline; 12-a second incline; 2-elbow clamp fixing plates; 21-a first long waist-shaped hole; 3-elbow clamps; 4-a first probe; 5-an adapter plate; 6-limiting blocks; 61-a second long waist-shaped hole; 7-a probe-fixing plate 8-second probes; 9-cylindrical battery.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

As shown in fig. 1-3, the cylindrical battery capacity-dividing test fixture comprises a base 1, a clamping mechanism, a first probe 4, an adapter plate 5, a limiting block 6, a probe fixing plate 7 and a second probe 8, wherein the clamping mechanism is arranged at one end of the base 1, and the probe fixing plate 7 is arranged at the other end of the base 1; the clamping mechanism is connected with the first probe 4 through the adapter plate 5, and the first probe 4 corresponds to a pole at one end of the cylindrical battery 9; the second probe 8 is fixedly arranged on the probe fixing plate 7 and corresponds to the pole at the other end of the cylindrical battery 9; the limiting blocks 6 are respectively arranged at two sides of the cylindrical battery 9, are contacted with two sides of the cylindrical battery 9 and are fixed on the base 1. During testing, the cylindrical battery 9 is placed in a groove (such as a V-shaped groove or an arc-shaped groove) in the middle of the limiting block 6, the side walls of the groove are contacted with two sides of the cylindrical battery 9, one end pole of the cylindrical battery 9 is contacted with the second probe 8, and the first probe 4 is driven to move through the clamping mechanism, so that the first probe 4 is contacted with the other end pole of the cylindrical battery 9; according to the length dimension of the cylindrical battery 9, the relative position between the probe fixing plate 7 and the clamping mechanism is adjusted; according to the radial dimension of the cylindrical battery 9, the positions of limiting blocks 6 on two sides of the cylindrical battery are adjusted; through the arrangement, the clamp can be ensured to be suitable for capacity-dividing tests of cylindrical batteries 9 with different sizes.

In the embodiment, the base 1 is arranged in a right triangle which is vertically arranged, and the working surface of the base is an inclined surface; the clamping mechanism, the limiting block 6 and the probe fixing plate 7 are fixed on the working surface of the base 1. The base 1 is a right triangle which is vertically placed, and the whole occupied area of the clamp is small.

In this embodiment, the working surface is a stepped surface, and includes a first inclined surface 11 and a second inclined surface 12; in the direction of the inclined plane, the first inclined plane 11 is lower than the second inclined plane 12; the clamping mechanism is provided on the first inclined surface 11, and the probe-fixing plate 7 is provided on the second inclined surface 12. Because the clamping mechanism has a certain height, the working surface is designed into a step surface, so that the first probe 4 and the second probe 8 can be ensured to be positioned at the same height, and the clamping mechanism is beneficial to the model selection.

In this embodiment, the clamping mechanism includes an elbow clamp fixing plate 2 and an elbow clamp 3, a first long waist-shaped hole 21 is arranged on the elbow clamp fixing plate 2 along the clamping direction, two rows of threaded holes corresponding to the first long waist-shaped hole 21 are designed on the inclined plane of the upper end of the base 1, and a bolt penetrates through the long waist-shaped hole to fix the elbow clamp fixing plate 2 on the inclined plane of the upper end of the base 1. The elbow clamp 3 is fixed on the elbow clamp fixing plate 2 through bolts, the end part of a clamping rod of the elbow clamp 3 is fixed with the adapter plate 5 through four bolts, and the first probe 4 is fixed on the adapter plate 5 through two bolts. The position of the elbow clamp 3 is conveniently adjusted along the clamping direction (namely the length direction of the battery) through the design of the first long waist-shaped hole 21; the elbow clamp 3 is adopted to drive the first probe 4 on the adapter plate 5 to move, and the first probe is contacted with the pole of the cylindrical battery 9, so that the structure is simple, and the use is convenient.

In this embodiment, the second long-waist hole 61 is provided on the stopper 6 along the vertical direction of the clamping direction, the threaded hole corresponding to the second long-waist hole 61 is provided on the base 1, and the bolt passes through the second long-waist hole 61 to fix the stopper 6 on the base 1. Through the design of the second long waist-shaped hole 61, the position of the limiting block 6 is conveniently adjusted along the vertical direction (namely, the radial direction of the battery) of the clamping direction, so that the centering position of the cylindrical battery 6 and the probe is adjusted.

In the embodiment, the limiting block 6 can be of an integral design, and a groove for placing the cylindrical battery 9 is formed in the middle of the limiting block 6; the split type design can also be adopted, namely, the split type battery pack comprises two symmetrical limiting blocks, and a groove capable of accommodating the cylindrical battery 9 is formed between the two limiting blocks.

In this embodiment, the two sides of the probe fixing plate 7 are designed with short waist holes, two rows of screw holes are designed at the position of the lower end inclined plane of the base 1 near the bottom, the bolts penetrate through the short waist holes at the two sides of the probe fixing plate 7 to fix the short waist holes on the lower end inclined plane of the base 1, and the lower probe 8 is fixed on the probe fixing plate 7 through two bolts. By the design of the short waist-shaped hole, the position of the probe fixing plate 7 is conveniently adjusted along the clamping direction (namely the length direction of the battery).

The specific test flow is as follows: adjusting the mounting positions of the upper elbow clamp fixing plate 2 and the lower end probe fixing plate 7 according to the length dimension of the cylindrical battery 9, adjusting the distance between the two limiting blocks 6 (ensuring that the center of the pole of the cylindrical battery 9 can be opposite to the center of the probe after the cylindrical battery 9 is placed on the inclined plane of the limiting block 6), pulling up the handle of the elbow clamp 3, placing the cylindrical battery 9 on the inclined plane of the two limiting blocks 6, pressing down the handle of the elbow clamp 3, enabling the end part of the first probe 4 to prop against the pole of the cylindrical battery 9, and opening the equipment to perform capacity-dividing test.

Here, it should be noted that the description of the above technical solution is exemplary, and the present specification may be embodied in different forms and should not be construed as being limited to the technical solution set forth herein. Rather, these descriptions will be provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the technical solution of the utility model is limited only by the scope of the claims.

Finally, it should be noted that the above embodiments are merely representative examples of the present utility model. Obviously, the utility model is not limited to the above-described embodiments, but many variations are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model should be considered to be within the scope of the present utility model.

Claims

1. A cylindrical battery capacity-dividing test fixture is characterized in that: the device comprises a base (1), a clamping mechanism, a first probe (4), an adapter plate (5), a limiting block (6), a probe fixing plate (7) and a second probe (8), wherein the clamping mechanism is arranged at one end of the base (1), and the probe fixing plate (7) is arranged at the other end of the base (1); the clamping mechanism is connected with the first probe (4) through the adapter plate (5), and the first probe (4) corresponds to one end pole of the cylindrical battery (9); the second probe (8) is fixedly arranged on the probe fixing plate (7) and corresponds to the pole at the other end of the cylindrical battery (9); the limiting blocks (6) are respectively arranged at two sides of the cylindrical battery (9), are contacted with two sides of the cylindrical battery (9) and are fixed on the base (1).

2. The cylindrical battery capacity testing fixture of claim 1, wherein: the base (1) is arranged in a right triangle which is vertically arranged, and the working surface of the base is an inclined surface; the clamping mechanism, the limiting block (6) and the probe fixing plate (7) are fixed on the working surface of the base (1).

3. The cylindrical battery capacity-division testing fixture according to claim 2, wherein the working surface is a stepped surface comprising a first inclined surface and a second inclined surface; the first inclined plane is lower than the second inclined plane along the direction of the inclined plane; the clamping mechanism is arranged on the first inclined plane, and the probe fixing plate (7) is arranged on the second inclined plane.

4. The cylindrical battery capacity testing fixture of claim 1, wherein: the clamping mechanism comprises an elbow clamp fixing plate (2) and an elbow clamp (3), a first long waist-shaped hole is formed in the elbow clamp fixing plate (2) along the clamping direction, and a threaded hole which is correspondingly matched with the first long waist-shaped hole is formed in the base (1); the elbow clamp (3) is fixed on the elbow clamp fixing plate (2), a clamping rod of the elbow clamp (3) is fixed with the adapter plate (5), and the adapter plate (5) is fixed with the first probe (4).

5. The cylindrical battery capacity testing fixture of claim 1, wherein: the limiting block (6) is provided with a second long waist-shaped hole along the vertical direction of the clamping direction, and the base (1) is provided with a threaded hole which is correspondingly matched with the second long waist-shaped hole.

6. The cylindrical battery capacity testing fixture of claim 1, wherein: the probe fixing plate (7) is provided with a short waist-shaped hole along the clamping direction, and the base (1) is provided with a threaded hole correspondingly matched with the short waist-shaped hole.