CN212410806U

CN212410806U - Adjust convenient soft packet of lithium cell internal resistance testing arrangement

Info

Publication number: CN212410806U
Application number: CN202020014919.7U
Authority: CN
Inventors: 陈桂仙
Original assignee: Shanghai Yingxiao Electronic Technology Co ltd
Current assignee: Shanghai Yingxiao Electronic Technology Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2021-01-26
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses an adjust convenient soft packet of lithium cell internal resistance testing arrangement relates to soft packet of lithium cell internal resistance test equipment technical field. The utility model discloses a base, side arm and roof, the bottom of roof is provided with the cylinder, and the bottom mounting of cylinder is provided with the link, has seted up logical groove on the lower part board of link, and the link has the press post through leading to groove sliding connection, and the top of base slides and is provided with and presses the corresponding slider of post, and the top of slider is provided with the electrode clip, presses the fixed L type pole one that is provided with in one side that the lower part of post is close to the side arm, and the slider is close to one side of side arm and fixes and be provided with L type pole two, L type pole one and L type pole two sliding connection. The utility model discloses a position of pressing post and electrode clip can be adjusted simultaneously to the mating reaction of L type pole two and L type pole one to can prevent effectively that pressing post and electrode clip from misplacing, it is more convenient to use, adjusts more swiftly.

Description

Adjust convenient soft packet of lithium cell internal resistance testing arrangement

Technical Field

The utility model belongs to the technical field of soft packet of lithium cell internal resistance test equipment, particularly, in particular to adjust convenient soft packet of lithium cell internal resistance testing arrangement.

Background

The internal resistance of the battery refers to the resistance of the battery when current flows through the battery during operation; after the soft package lithium battery is manufactured, the internal resistance of the soft package lithium battery needs to be detected, and a failed product is selected from the internal resistance.

The common testing method is to manually use an internal resistance tester for detection, and because the tab of some soft package batteries has small volume, the test instrument electroprobe is difficult to contact the tab, so that the efficiency is low, and the error is easily overlarge when the tab is contacted in the testing process, so that the testing is inaccurate.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides an adjust convenient soft packet of lithium cell internal resistance testing arrangement to overcome the above-mentioned technical problem that current correlation technique exists.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an adjust convenient soft packet of lithium cell internal resistance testing arrangement, the on-line screen storage device comprises a base, top one side of base is provided with the side arm, the top of side arm is provided with the roof, the bottom of roof is provided with the cylinder, the bottom mounting of cylinder is provided with the link, the link is kept away from for the opening "U" type of side arm, logical groove has been seted up on the lower part board of link, the link passes through logical groove sliding connection has the pressing post, the top of base slide be provided with press the corresponding slider of post, the top of slider is provided with the electrode clip, the lower part of pressing the post is close to one side of side arm is fixed and is provided with L type pole one, the slider is close to one side of side arm is fixed and is provided with L type pole two, L type pole one with L type pole two sliding connection.

Furthermore, a sliding rod is arranged on one side, close to the side arm, of the connecting frame, and a sliding groove matched with the sliding rod is arranged on the side arm.

Furthermore, the top end of the pressing column penetrates through the through groove and extends to the upper side of the through groove, the column diameter of the part, located in the through groove and above the pressing column, of the pressing column is matched with the through groove, and the column diameter of the part, located below the through groove, of the pressing column is larger than the width of the through groove.

Furthermore, the upper portion of the pressing column is provided with threads, a nut is connected with the pressing column through the threads, and a gasket is sleeved outside the pressing column and below the nut.

Furthermore, a sliding groove matched with the sliding block is arranged on the base.

The utility model discloses following beneficial effect has:

firstly, the position of the electrode clips is adjusted, so that the space between the electrode clips is adapted to the positive and negative electrodes of the soft package lithium battery to be tested, the screw cap is unscrewed before adjustment, then the sliding block is moved, the pressing column is driven to move along by the L-shaped rod I and the L-shaped rod II when the sliding block moves, the nut is fixed after the adjustment is finished, the connecting frame is driven to move downwards by controlling the extension of the cylinder, so that the L-shaped rod II is inserted into the L-shaped rod I, the L-shaped rod I is connected with the L-shaped rod II in a sliding manner, the electrode clamp is opened finally, the positive and negative lugs of the soft package lithium battery are placed in the opened electrode clamp, the positions of the pressing column and the electrode clamp can be adjusted simultaneously through the matching action of the L-shaped rod II and the L-shaped rod I, the pressing column and the electrode clamp can be effectively prevented from being staggered, the use is more convenient, and the adjustment is more rapid; then the control cylinder returns and contracts for electrode clip grasps utmost point ear, tests resistance, and resistance shows through the display screen, and the secondary control cylinder opens electrode clip, takes out soft-packaged lithium battery and puts into next soft-packaged lithium battery and detects, the utility model discloses distance between the regulation positive and negative electrode clip that can be comparatively convenient, the suitability is wider.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a cross-sectional view of the utility model at a.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 2. a side arm; 3. a top plate; 4. a cylinder; 5. a connecting frame; 501. a slide bar; 6. a through groove; 7. Pressing the column; 701. a nut; 8. a slider; 9. an electrode clamp; 10. an L-shaped rod I; 11. and an L-shaped rod II.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "top", "middle", "inner", and the like indicate positional or orientational relationships and are merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Referring to fig. 1-3, the utility model relates to a flexible package lithium battery internal resistance testing device with convenient adjustment, which comprises a base 1, a side arm 2 is arranged on one side of the top end of the base 1, a top plate 3 is arranged on the top end of the side arm 2, a control button and a display screen are arranged on the top plate 3, a detecting device for detecting the internal resistance of the lithium battery is arranged in the side arm 2, a positive electrode and a negative electrode electroprobe of the detecting device are respectively connected with an electrode clamp 9, the detecting device adopts the existing electrical tester, a display screen of the detecting device is arranged on the top plate 3 for displaying the measured value, and a control knob for controlling the equipment, a cylinder 4 is arranged at the bottom end of the top plate 3, a connecting frame 5 is fixedly arranged at the bottom end of the cylinder 4, the connecting frame 5 is in a U shape with an opening away from the side arm 2, a through groove 6, the connecting frame 5 is connected with a pressing column 7 through the through groove 6 in a sliding mode, a sliding block 8 corresponding to the pressing column 7 is arranged on the top end of the base 1 in a sliding mode, an electrode clamp 9 is arranged on the top end of the sliding block 8, the electrode clamp 9 comprises a positive electrode clamp and a negative electrode clamp, an L-shaped rod I10 is fixedly arranged on one side, close to the side arm 2, of the lower portion of the pressing column 7, an L-shaped rod II 11 is fixedly arranged on one side, close to the side arm 2, of the sliding block 8, and the L-shaped rod I10 is connected with the L-shaped rod II 11 in a sliding mode.

In an embodiment, for the connecting frame 5, a sliding rod 501 is disposed on one side of the connecting frame 5 close to the side arm 2, and a sliding groove matched with the sliding rod 501 is disposed on the side arm 2, so that the connecting frame 5 can slide up and down on the side arm 2 through the sliding rod 501, and the connecting frame 5 can be limited through the sliding rod 501, thereby preventing the connecting frame 5 from swinging left and right, and making the whole body more stable.

In one embodiment, for the pressing post 7, the top end of the pressing post 7 penetrates through and extends above the through slot 6, the post diameter of the part of the pressing post 7 located in and above the through slot 6 matches with that of the through slot 6, and the post diameter of the part of the pressing post 7 located below the through slot 6 is larger than the width of the through slot 6, so that the middle and lower parts of the pressing post 7 can be clamped below the through slot 6.

In an embodiment, for the above pressing column 7, the upper portion of the pressing column 7 is threaded, and is connected with the nut 701 through the threaded connection, a gasket is sleeved outside the pressing column 7 and below the nut 701, so that when the pressing column 7 is intended to move left and right in the through groove 6, the nut 701 is loosened, when the movement is finished, the pressing column 7 needs to be fixed and screwed, and at this time, the nut 701 is screwed, so that it can be effectively prevented that when the electrode clip 9 is pressed, the pressing column 7 shakes, and the pressing column 7 is dislocated, which leads to inaccurate pressing or even damages the electrode clip 9.

In an embodiment, for the base 1, a sliding groove matched with the sliding block 8 is arranged on the base 1, so that the sliding block 8 slides left and right in the sliding groove, and the sliding block 8 is in damping sliding connection with the sliding groove, that is, a certain friction force exists between the sliding block 8 and the sliding groove, so that the sliding block 8 cannot easily slide in the sliding groove.

In summary, with the above technical solution of the present invention, the position of the electrode clip 9 is adjusted to make the space between the electrode clips 9 adapt to the positive and negative electrodes of the soft-packaged lithium battery to be tested, the nut 701 is unscrewed before the adjustment, and then the slider 8 is moved, while the slider 8 moves, the pressing post 7 is driven to move along with the L-shaped rod one 10 and the L-shaped rod two 11, after the adjustment is finished, the nut 701 is fixed, and the connecting frame 5 is driven to move downward by controlling the extension of the cylinder 4, so that the L-shaped rod two 11 is inserted into the L-shaped rod one 10, the L-shaped rod one 10 and the L-shaped rod two 11 are connected in a sliding manner, and finally the electrode clip 9 is opened, the positive and negative electrode lugs of the soft-packaged lithium battery are placed in the opened electrode clip 9, and then the cylinder 4 is controlled to retract, so that the electrode lugs are clamped by the electrode clip 9 to test, the resistance shows through the display screen, controls cylinder 4 again and opens 9 electrode clips, takes out soft packet of lithium cell and puts into next soft packet of lithium cell and detects.

Through the technical scheme, 1, the positions of the pressing column 7 and the electrode clamp 9 can be adjusted simultaneously through the matching action of the L-shaped rod II 11 and the L-shaped rod I10, the pressing column 7 and the electrode clamp 9 can be effectively prevented from being dislocated, the use is more convenient, and the adjustment is more rapid; 2. the utility model discloses can be comparatively convenient adjust the distance between the positive and negative electrode clip 9, the suitability is wider.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended only to help illustrate the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an adjust convenient soft packet of lithium cell internal resistance testing arrangement, includes base (1), top one side of base (1) is provided with side arm (2), the top of side arm (2) is provided with roof (3), its characterized in that: the bottom end of the top plate (3) is provided with a cylinder (4), the bottom end of the cylinder (4) is fixedly provided with a connecting frame (5), the connecting frame (5) is U-shaped with an opening far away from the side arm (2), a through groove (6) is arranged on the lower plate of the connecting frame (5), the connecting frame (5) is connected with a pressing column (7) in a sliding way through the through groove (6), the top end of the base (1) is provided with a sliding block (8) corresponding to the pressing column (7) in a sliding way, an electrode clamp (9) is arranged at the top end of the sliding block (8), an L-shaped rod I (10) is fixedly arranged at one side of the lower part of the pressing column (7) close to the side arm (2), an L-shaped rod II (11) is fixedly arranged on one side of the sliding block (8) close to the side arm (2), the first L-shaped rod (10) is connected with the second L-shaped rod (11) in a sliding mode.

2. The conveniently adjusted soft-package lithium battery internal resistance testing device according to claim 1, characterized in that a sliding rod (501) is arranged on one side of the connecting frame (5) close to the side arm (2), and a sliding groove matched with the sliding rod (501) is arranged on the side arm (2).

3. The conveniently-adjusted soft-package lithium battery internal resistance testing device is characterized in that the top end of the pressing column (7) penetrates through the through groove (6) and extends to the upper side of the through groove, the column diameter of the part, located in the through groove (6) and above the pressing column (7), of the pressing column is matched with that of the through groove (6), and the column diameter of the part, located below the through groove (6), of the pressing column (7) is larger than the width of the through groove (6).

4. The conveniently adjusted internal resistance testing device for the soft-package lithium battery according to claim 1, wherein the upper portion of the pressing column (7) is threaded and is connected with a nut (701) through threaded threads, and a gasket is sleeved under the nut (701) outside the pressing column (7).

5. The conveniently adjusted soft-package lithium battery internal resistance testing device according to claim 4, characterized in that a sliding groove matched with the sliding block (8) is arranged on the base (1).