CN212749180U

CN212749180U - Square electricity core switches on frock and becomes test fixture

Info

Publication number: CN212749180U
Application number: CN202120343555.1U
Authority: CN
Inventors: 陈勇; 高峰; 周建; 马航
Original assignee: Wuhan Jingneng Electronic Technology Co ltd; Wuhan Jingce Electronic Group Co Ltd
Current assignee: Wuhan Jingneng Electronic Technology Co ltd; Wuhan Jingce Electronic Group Co Ltd; Wuhan Jingce Electronic Technology Co Ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-03-19
Anticipated expiration: 2031-02-07

Abstract

The utility model discloses a square battery cell conduction tool and formation testing tool, which comprises a battery cell limiting component, and is used for realizing X axial limiting and Y axial guiding of a square battery cell; the battery cell driving assembly is used for driving the Y-axis displacement of the square battery cell; and the battery cell conduction assembly is used for conducting positive and negative electrode poles of the square battery cell in an alignment way. The utility model has the characteristics of safety, convenient to use and square electricity core etc. that can compatible multiple specification.

Description

Square electricity core switches on frock and becomes test fixture

Technical Field

The utility model discloses an electricity core switches on frock and formation test fixture belongs to electric core detection technical field, specifically discloses a square electricity core switches on frock and formation test fixture.

Background

With the continuous progress of science and technology, the market demand of new energy power batteries is increased, and the demand of power supply equipment related to the battery core is larger and larger. At present, in the domestic square battery cell testing process and batch production, the formation test of the battery cell is mainly realized by matching power supply equipment and needle bed equipment, the structure of the test tool is shown in the attached drawing 6, and the positive and negative poles of the battery cell A of the test tool are in hard contact with the switching copper bar B connected with the positive and negative cables through a pressing block C. According to the technical scheme, the defects that the pressing part is not attached and the contact area of the pressing part is small exist, so that the contact impedance is possibly too large, and the final test result is influenced; meanwhile, the method has the defect of poor compatibility, namely one battery cell corresponds to one set of test tool, and a plurality of battery cells cannot realize conduction test by the same tool in the same phase; in addition, because the switching copper bar of the technical scheme is exposed outside, certain potential safety hazard exists; finally, the technical scheme needs to disassemble and assemble the screw in the using process, so that the technical problem of inconvenient use exists; in summary, it is necessary to develop a test tool with dimensional compatibility to complete the formation test of the battery cell in order to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

To the technical problem who exists among the prior art, the utility model provides a square electric core switches on frock and becomes test fixture, its characteristics such as square electric core that have safety, convenient to use and can compatible multiple specification.

The utility model discloses a square battery cell conduction tool, which comprises a battery cell limiting component and is used for realizing X axial limiting and Y axial guiding of a square battery cell; the battery cell driving assembly is used for driving the Y-axis displacement of the square battery cell; and the battery cell conduction assembly is used for conducting positive and negative electrode poles of the square battery cell in an alignment way.

In a preferred embodiment of the present invention, the battery cell spacing assembly includes a pair of battery cell width adjusting stoppers arranged at intervals along the X axis direction and adjustable in distance.

In a preferred embodiment of the present invention, a projection shape of the cell width adjustment stopper in the XOZ plane is an L shape.

The utility model discloses an in a preferred embodiment, electric core drive assembly includes the quick pressure pincers that flexible direction arranged along the Y axial, the flexible briquetting that can follow Z axial displacement is held in the removal of quick pressure pincers connection.

The utility model discloses an in a preferred embodiment, be connected with the flexible briquetting coupling assembling that can follow Z axial and Y axial displacement on the quick pressure pincers, flexible briquetting coupling assembling's removal end is connected with flexible briquetting.

The utility model discloses an in a preferred embodiment, flexible briquetting coupling assembling is including the briquetting height adjustment piece that can follow Z axial displacement, sliding fit is connected with the connecting rod of arranging along the Y axial on the briquetting height adjustment piece, the tip of connecting rod be provided with briquetting height adjustment piece parallel arrangement's flexible briquetting connecting block, be provided with the waist type hole that is used for the quick pressure pincers of sliding connection on the flexible briquetting connecting block.

In a preferred embodiment of the present invention, the battery cell conduction assembly includes a conduction probe capable of moving along the X axis and the Z axis.

The utility model discloses an in a preferred embodiment, electric core switches on the subassembly and includes the probe position adjusting block that can follow Z axial displacement, but be provided with the sliding fit who is used for the locking who arranges along the X axial on the probe position adjusting block and connect switch on the spout and the locating hole of probe.

The utility model discloses an in a preferred embodiment, still include the safety protection casing that is used for protecting electric core to switch on the subassembly.

The utility model also discloses a square electricity core ization becomes test fixture, including switching on frock and test fixture, switch on the frock and switch on the frock for square electricity core.

The utility model has the advantages that: the utility model discloses simple structure, compatibility are high, and it has realized switching on the probe and the adjustable of electric core relative position through the combined design of electric core spacing subassembly, electric core drive assembly and electric core switch on the subassembly to realize the utility model discloses with the compatibility of not unidimensional electric core; furthermore, the battery cell limiting component of the utility model adopts a battery cell width adjusting stop block structure, which is convenient for processing and assembling; furthermore, the battery cell driving assembly of the utility model has two degrees of freedom in the Z-axis direction and the Y-axis direction, and can conveniently and rapidly realize the driving displacement of the battery cell; furthermore, the utility model realizes the Z-axial movement of the flexible press block through the structural design of the flexible press block connecting component, and the structure has the advantage of convenient assembly; furthermore, the electric core conduction assembly of the utility model adopts the structure of the probe position adjusting block and the conduction probe, which is more beneficial to the alignment and compression joint of the conduction probe and the electric core; further, the utility model discloses an increasing the protection casing in switch-on probe department, having improved the security when battery testing.

Drawings

Fig. 1 is an axial view of a square cell conduction tool of the present invention;

fig. 2 is a bottom view of the square cell conduction tool of the present invention;

fig. 3 is a front view of the square cell conduction tool of the present invention;

fig. 4 is a top view of the square cell conduction tool of the present invention;

fig. 5 is a schematic view of a conduction probe of a square cell conduction tool of the present invention;

fig. 6 is a schematic diagram of a square cell conduction tool in the prior art;

in the figure: 1-bottom plate, 2-cell width adjusting stop block, 3-probe position adjusting block, 4-square cell, 5-conduction probe, 6-safety shield, 7-quick pressing clamp, 8-flexible pressing block, 9-pressing block height adjusting block, 10-connecting rod, 11-flexible pressing block connecting block, 12-vertical plate, 31-sliding groove, 32-positioning hole and 111-waist-shaped hole.

Detailed Description

The technical solutions of the present invention (including the preferred technical solutions) are further described in detail below by means of the attached drawings and some optional embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

1-5 can know like the description attached drawing the utility model discloses a square electric core switches on frock, include with the frame 1 of XOY plane parallel arrangement, be provided with the riser 12 with XOZ plane parallel arrangement on the frame 1, riser 12 arranges with frame 1 mutually perpendicular promptly, is provided with the probe 5 that switches on that is used for switching on square electric core 4 on the riser 12.

The utility model discloses a still be provided with at least a pair of along X axial interval arrangement and interval adjustable electric core width adjustment dog 2 in frame 1, interval between electric core width adjustment dog 2 is confirmed along X axial length according to square electric core 4, electric core width adjustment dog 2 is used for realizing that the X axial of square electric core is spacing, Y axial direction, electric core width adjustment dog 2 constitutes electric core spacing subassembly, can adopt following technical scheme to realize the X axial displacement of electric core width adjustment dog 2 between electric core width adjustment dog 2 and frame 1: be provided with along the waist type hole that X axial was arranged on every electric core width adjustment dog 2, be provided with the bolt mounting hole corresponding with this waist type hole position in the frame 1, electric core width adjustment dog 2 is through the bolt and the nut spacing slip that are located in the bolt mounting hole and through the locking location of bolt and nut.

The utility model discloses a still be provided with on frame 1 and follow the flexible quick pressure pincers 7 of Y axial, electric core width adjustment dog 2 is for quick pressure pincers 7 symmetrical arrangement, quick pressure pincers 7 remove the end connection can follow the flexible briquetting 8 of Z axial displacement, flexible briquetting 8 and XOZ plane parallel arrangement, flexible briquetting 8 promotes square electric core 4 and is close to conduction probe 5, square electric core 4 only can move along the Y axial under the limiting displacement of electric core width adjustment dog 2, when the Z of the square projection of flexible briquetting 8 in the XOZ plane is greater than or equal to the Z of the square projection of square electric core 4 in the XOZ plane to the width, need not to adjust its Z to the height, because flexible briquetting 8 can be complete even promotion square electric core 4 displacement;

when the Z-direction width of the square projection of the flexible pressing block 8 in the XOZ plane is smaller than the Z-direction width of the square projection of the square battery cell 4 in the XOZ plane, in order to ensure that the flexible pressing block 8 better pushes the square battery cell 4 to displace, the Z-direction height of the flexible pressing block 8 needs to be adjusted so that the central symmetry plane of the flexible pressing block 8 perpendicular to the Z axis and the central symmetry plane of the square battery cell 4 perpendicular to the Z axis coincide with each other; in order to achieve the purpose, the following technical scheme can be adopted: increase flexible briquetting coupling assembling in frame 1, flexible briquetting coupling assembling is including the briquetting height adjusting block 9 that can follow Z axial displacement, briquetting height adjusting block 9 and XOZ plane parallel arrangement, but the waist type hole that briquetting height adjusting block 9 arranged through along the Z axial and the sliding connection of frame 1 locking, sliding fit is connected with the connecting rod 10 of arranging along the Y axial on the briquetting height adjusting block 9, the tip of connecting rod 10 is provided with flexible briquetting connecting block 11 with briquetting height adjusting block 9 parallel arrangement, be provided with the waist type hole 111 that is used for quick press tongs 7 of sliding connection on the flexible briquetting connecting block 11, flexible briquetting connecting block 11 has flexible briquetting 8 towards the terminal surface of square electricity core 4, quick press tongs 7 drives flexible briquetting connecting block 11 and follows Y axial displacement under the direction of connecting rod 10.

Preferably, flexible compact 8 and flexible compact connecting block 11 may be made as an integral structure.

Preferably, the projection shape of the cell width adjusting block 2 in the XOZ plane is L-shaped, and this structure can effectively reduce friction between the square cell 4 and the rack 1 when the square cell is displaced in the Y direction.

Preferably, the rapid pressing pliers 7 and the flexible pressing block connecting assembly together form a cell driving assembly.

The utility model discloses a be provided with a plurality of probe via holes that switch on riser 12, every switches on probe via hole department and is provided with a probe position adjusting block 3 that can follow Z axial displacement, but probe position adjusting block 3 is through the waist type hole of arranging along the Z axial and riser 12 sliding connection of locking, probe position adjusting block 3 and XOZ plane parallel arrangement, but be provided with spout 31 and locating hole 32 that the sliding fit that is used for locking that arranges along the X axial on every probe position adjusting block 3 connects and switches on probe 5, it connects in spout 31 to switch on probe 5 sliding fit, switch on probe 5 and connect the location through locating hole 32.

Preferably, a safety protection cover 6 for protecting the cell conduction assembly is further arranged on the vertical plate 12.

Preferably, the utility model discloses a switch on 5 optional heavy current probes of probe, the switch-on of positive negative pole utmost point posts of heavy current probe and electric core, simulation volume production operating condition, probe contact resistance is little and have the spring, and compressible in the certain limit is favorable to realizing with the laminating of utmost point post face, reduces contact resistance, improves the precision and the reliability of test result.

It should be noted that the utility model discloses a switch on probe 5, quick pressing tongs 7 all have prior art, so its structure need not to expand in this patent and describe again.

The utility model also discloses a square electricity core ization becomes test fixture, it switches on the frock for square electricity core including switching on frock and test fixture, switches on the frock.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and any modification, combination, replacement, or improvement made within the spirit and principle of the present invention is included in the scope of the present invention.

Claims

1. The utility model provides a square electricity core switches on frock which characterized in that: comprises that

The battery cell limiting assembly is used for realizing X-axis limiting and Y-axis guiding of the square battery cell;

the battery cell driving assembly is used for driving the Y-axis displacement of the square battery cell;

and the battery cell conduction assembly is used for conducting positive and negative electrode poles of the square battery cell in an alignment way.

2. The square battery cell conduction tool according to claim 1, characterized in that: the battery cell limiting assembly comprises a pair of battery cell width adjusting stop blocks (2) which are arranged at intervals along the X axial direction and have adjustable intervals.

3. The square battery cell conduction tool according to claim 2, characterized in that: the projection shape of the battery cell width adjusting stop block (2) in the XOZ plane is L-shaped.

4. The square battery cell conduction tool according to claim 1, characterized in that: the cell driving assembly comprises a quick pressing clamp (7) which is arranged along the Y axial direction in the telescopic direction, and a flexible pressing block (8) which can move along the Z axial direction is connected to the moving end of the quick pressing clamp (7).

5. The square battery cell conduction tool according to claim 4, characterized in that: the quick pressing pliers (7) are connected with a flexible pressing block connecting assembly capable of moving along the Z axial direction and the Y axial direction, and the moving end of the flexible pressing block connecting assembly is connected with a flexible pressing block (8).

6. The square battery cell conduction tool according to claim 5, characterized in that: flexible briquetting coupling assembling is including briquetting height adjustment piece (9) that can follow Z axial displacement, sliding fit is connected with connecting rod (10) of arranging along the Y axial on briquetting height adjustment piece (9), the tip of connecting rod (10) is provided with flexible briquetting connecting block (11), be provided with waist type hole (111) that are used for connecting quick pressure pincers (7) on flexible briquetting connecting block (11).

7. The square battery cell conduction tool according to claim 1, characterized in that: the battery cell conduction assembly comprises a conduction probe (5) capable of displacing along the X axial direction and the Z axial direction.

8. The square battery cell conduction tool according to claim 7, characterized in that: the battery cell conduction assembly comprises a probe position adjusting block (3) capable of moving along the Z axial direction, and a sliding groove (31) and a positioning hole (32) which are arranged along the X axial direction and used for being locked and connected with the conduction probe (5) in a sliding fit mode are arranged on the probe position adjusting block (3).

9. The square battery cell conduction tool according to claim 1, characterized in that: the battery cell protection device further comprises a safety protection cover (6) used for protecting the battery cell conduction assembly.

10. The utility model provides a square electricity core ization becomes test fixture, includes switches on frock and test fixture, its characterized in that: the conduction tool is the cell conduction tool of any one of claims 1 to 9.