CN211785997U

CN211785997U - Lithium battery internal short circuit testing device

Info

Publication number: CN211785997U
Application number: CN202020214008.9U
Authority: CN
Inventors: 唐朝勇
Original assignee: Shenzhen Xiaoniu Power Technology Co ltd
Current assignee: Shenzhen Xiaoniu Power Technology Co ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-10-27
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses an inside short circuit testing arrangement of lithium cell, the power distribution box comprises a box body, the positive surface of box is provided with sealing mechanism, the axis department at box inner chamber top is provided with acupuncture mechanism, the top fixedly connected with detection device body on box inner chamber right side, the board is placed to the rear side fixedly connected with of box inner chamber, the front side and the rear side of placing the board both sides rotate respectively and are connected with adjustable shelf one and adjustable shelf two, adjustable shelf one is located the inboard of adjustable shelf two, adjustable shelf two and the equal fixedly connected with connecting rod in top of adjustable shelf one. The utility model discloses a stir the drive block upwards, finally make fixture open, place the lithium cell at the top of placing the board, loosen the drive block, and then fix the lithium cell, this inside short circuit testing arrangement of lithium cell possesses the advantage of being convenient for to fix, easy operation, labour saving and time saving satisfies user's user demand, has improved the efficiency to the lithium cell test.

Description

Lithium battery internal short circuit testing device

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell internal short circuit testing arrangement.

Background

Lithium batteries refer to batteries containing lithium (including metallic lithium, lithium alloys and lithium ions, lithium polymers) in an electrochemical system, and can be roughly classified into two types: lithium metal batteries, which are generally non-rechargeable and contain lithium in a metallic state, and lithium ion batteries, which do not contain lithium in a metallic state and are rechargeable.

The lithium cell is in the production back, needs carry out the short circuit test experiment to the inside of lithium cell, if a series of safety inspection such as extrusion, acupuncture satisfy the safety standard regulation in order to confirm the lithium cell, and current detection device fixes the lithium cell through the bolt, and the operation is comparatively loaded down with trivial details and consuming time longer, and then has reduced the efficiency of software testing of lithium cell.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inside short circuit testing arrangement of lithium cell possesses the advantage of being convenient for to fix, has solved current detection device and has fixed the lithium cell through the bolt, and the operation is comparatively loaded down with trivial details and consuming time longer, and then has reduced lithium cell efficiency of software testing's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an inside short circuit testing arrangement of lithium cell, the power distribution box comprises a box body, the front surface of box is provided with sealing mechanism, the axis department at box inner chamber top is provided with acupuncture mechanism, the top fixedly connected with detection device body on box inner chamber right side, the board is placed to the rear side fixedly connected with of box inner chamber, the front side of placing the board both sides rotates respectively with the rear side and is connected with adjustable shelf one and adjustable shelf two, adjustable shelf one is located the inboard of adjustable shelf two, the equal fixedly connected with connecting rod in top of adjustable shelf two and adjustable shelf one, the top of connecting rod is provided with fixture, adjustable shelf one inner chamber runs through and is provided with the horizontal pole, and the one end that two horizontal poles carried on the back mutually extends to the inner chamber of adjustable shelf two, is provided with actuating mechanism between two horizontal poles, the both sides of placing the bottom of the board.

Preferably, the sealing mechanism comprises a transparent door plate hinged to the front surface of the box body, and the front surface of the transparent door plate is fixedly connected with a handle.

Preferably, the acupuncture mechanism comprises an air cylinder fixed at the middle shaft at the top of the inner cavity of the box body, and the output end of the air cylinder is fixedly connected with a test needle.

Preferably, fixture includes the arc splint that are fixed in the connecting rod top, the inboard fixedly connected with protection of arc splint fills up.

Preferably, the driving mechanism comprises a driving block fixed between the two cross rods, the bottom of the driving block is provided with three arc-shaped grooves.

Preferably, stop gear includes and is fixed in the dead lever of placing board bottom both sides, the bottom of dead lever run through the horizontal pole and with box fixed connection, the surface cover of dead lever is equipped with the spring, the both ends of spring respectively with horizontal pole and box fixed connection.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a stir the drive block upwards, finally make fixture open, place the lithium cell at the top of placing the board, loosen the drive block, and then fix the lithium cell, this inside short circuit testing arrangement of lithium cell, possess the advantage of being convenient for to fix, easy operation, it is laborsaving to save time, satisfy user's user demand, the efficiency of testing the lithium cell is improved, it fixes the lithium cell through the bolt to have solved current detection device, complex operation and consuming time longer, and then the problem of lithium cell efficiency of software testing has been reduced.

2. The utility model discloses a sealing mechanism's setting, can play sealed effect to this testing arrangement, the user can real-time supervision box inner chamber lithium cell the change and collect the data that detection device body shows simultaneously, cooperation through acupuncture mechanism and detection device body is used, can carry out the acupuncture to the lithium cell, arouse the inside deformation of lithium cell, and then observe the appearance of lithium cell, gather the temperature and the voltage of lithium cell and judge whether its inside short circuit that whether, setting through fixture, can carry out the centre gripping to the lithium cell, avoid taking place the skew at the in-process lithium cell of acupuncture, setting through stop gear, can play spacing and reset action to the horizontal pole, make stable reciprocating of horizontal pole.

Drawings

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

FIG. 2 is a front sectional view of the structure of the present invention;

fig. 3 is a perspective view of the local structure of the present invention.

In the figure: 1. a box body; 2. a sealing mechanism; 21. a transparent door panel; 22. a handle; 3. a needling mechanism; 31. a cylinder; 32. a test pin; 4. a detection device body; 5. placing the plate; 6. a first movable frame; 7. a second movable frame; 8. a connecting rod; 9. a clamping mechanism; 91. an arc-shaped splint; 92. a protective pad; 10. a cross bar; 11. a drive mechanism; 111. a drive block; 112. an arc-shaped slot; 12. a limiting mechanism; 121. fixing the rod; 122. a spring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a lithium battery internal short circuit testing device comprises a box body 1, a sealing mechanism 2 is arranged on the front surface of the box body 1, a needling mechanism 3 is arranged at the middle shaft of the top of an inner cavity of the box body 1, a detection device body 4 is fixedly connected to the top on the right side of the inner cavity of the box body 1, the sealing mechanism 2 comprises a transparent door plate 21 hinged to the front surface of the box body 1, a handle 22 is fixedly connected to the front surface of the transparent door plate 21, the testing device can be sealed through the arrangement of the sealing mechanism 2, a user can monitor the change of a lithium battery in the inner cavity of the box body 1 in real time and collect data displayed by the detection device body 4, the needling mechanism 3 comprises a cylinder 31 fixed at the middle shaft of the top of the inner cavity of the box body 1, a testing needle 32 is fixedly connected to the output end of the cylinder 31, and the, the internal deformation of the lithium battery is caused, the appearance of the lithium battery is further observed, the temperature and the voltage of the lithium battery are collected to judge whether the internal short circuit occurs or not, the rear side of the inner cavity of the box body 1 is fixedly connected with a placing plate 5, the front side and the rear side of the two sides of the placing plate 5 are respectively and rotatably connected with a first movable frame 6 and a second movable frame 7, the first movable frame 6 is positioned at the inner side of the second movable frame 7, the tops of the second movable frame 7 and the first movable frame 6 are respectively and fixedly connected with a connecting rod 8, the top of the connecting rod 8 is provided with a clamping mechanism 9, the clamping mechanism 9 comprises an arc-shaped clamping plate 91 fixed at the top end of the connecting rod 8, the inner side of the arc-shaped clamping plate 91 is fixedly connected with a protective pad 92, the lithium battery can be clamped through the arrangement of the clamping mechanism 9, the lithium battery is prevented from being deviated in the needling, be provided with actuating mechanism 11 between two horizontal poles 10, actuating mechanism 11 includes the drive block 111 that is fixed in between two horizontal poles 10, arc wall 112 has been seted up to the bottom of drive block 111, the quantity of arc wall 112 is three, the both sides of placing 5 bottoms of board all are provided with stop gear 12, stop gear 12 includes the dead lever 121 that is fixed in place 5 bottoms both sides, the bottom of dead lever 121 run through horizontal pole 10 and with 1 fixed connection of box, the surface cover of dead lever 121 is equipped with spring 122, spring 122's both ends respectively with

horizontal pole

10 and 1 fixed connection of box, setting through stop gear 12, can play spacing and reset action to horizontal pole 10, make the stable reciprocating of horizontal pole 10.

The working principle is as follows: when the utility model is used, a user pulls the driving block 111 upwards, the driving block 111 drives the cross rod 10 to slide upwards on the surface of the fixed rod 121, the cross rod 10 stretches the spring 122, meanwhile, the cross rod 10 slides in the inner cavities of the first movable frame 6 and the second movable frame 7, as the tops of the first movable frame 6 and the second movable frame 7 are rotatably connected with the placing plate 5, the first movable frame 6 and the second movable frame 7 rotate around the rotating shaft, the first movable frame 6 drives the front side connecting rod 8 to move forwards, the second movable frame 7 drives the rear side connecting rod 8 to move backwards, the connecting rod 8 drives the clamping mechanism 9 to move, further the front side arc-shaped clamping plate 91 and the rear side arc-shaped clamping plate 91 are opened, at the moment, a lithium battery is placed at the top of the placing plate 5, the driving block 111 is loosened, the spring 122 recovers the original length, finally, the arc-shaped clamping plate 91 fixes the lithium battery, and the purpose of convenient fixation, through the setting of protection pad 92, can carry out the guard action to the lithium cell, avoid causing the damage to the lithium cell, restart cylinder 31, cylinder 31's output drives test needle 32 and moves down, and then carries out the acupuncture to the lithium cell, finally collects data through detection device body 4.

In summary, the following steps: this inside short circuit testing arrangement of lithium cell, through stirring up drive block 111, finally make fixture 9 open, place the lithium cell at the top of placing board 5, loosen drive block 111, and then fix the lithium cell, this inside short circuit testing arrangement of lithium cell, possess the advantage of being convenient for to fix, moreover, the steam generator is simple in operation, time saving and labor saving, satisfy user's user demand, the efficiency of testing the lithium cell is improved, it fixes the lithium cell through the bolt to have solved current detection device, it is comparatively loaded down with trivial details and consuming time longer to operate, and then the problem of lithium cell efficiency of software testing has been reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an inside short circuit testing arrangement of lithium cell, includes box (1), its characterized in that: the front surface of the box body (1) is provided with a sealing mechanism (2), a needling mechanism (3) is arranged at a middle shaft at the top of an inner cavity of the box body (1), a detection device body (4) is fixedly connected to the top on the right side of the inner cavity of the box body (1), a placing plate (5) is fixedly connected to the rear side of the inner cavity of the box body (1), a first movable frame (6) and a second movable frame (7) are respectively and rotatably connected to the front side and the rear side of the two sides of the placing plate (5), the first movable frame (6) is positioned on the inner side of the second movable frame (7), connecting rods (8) are respectively and fixedly connected to the tops of the second movable frame (7) and the first movable frame (6), a clamping mechanism (9) is arranged at the top of each connecting rod (8), a cross rod (10) is arranged in the inner cavity of the first movable frame (6) in a penetrating manner, and, a driving mechanism (11) is arranged between the two cross rods (10), and limiting mechanisms (12) are arranged on two sides of the bottom of the placing plate (5).

2. The lithium battery internal short circuit testing device of claim 1, characterized in that: the sealing mechanism (2) comprises a transparent door panel (21) hinged to the front surface of the box body (1), and a handle (22) is fixedly connected to the front surface of the transparent door panel (21).

3. The lithium battery internal short circuit testing device of claim 1, characterized in that: the acupuncture mechanism (3) comprises an air cylinder (31) fixed at the middle shaft at the top of the inner cavity of the box body (1), and the output end of the air cylinder (31) is fixedly connected with a test needle (32).

4. The lithium battery internal short circuit testing device of claim 1, characterized in that: fixture (9) include arc splint (91) that are fixed in connecting rod (8) top, the inboard fixedly connected with protection pad (92) of arc splint (91).

5. The lithium battery internal short circuit testing device of claim 1, characterized in that: the driving mechanism (11) comprises a driving block (111) fixed between the two cross rods (10), arc-shaped grooves (112) are formed in the bottom of the driving block (111), and the number of the arc-shaped grooves (112) is three.

6. The lithium battery internal short circuit testing device of claim 1, characterized in that: stop gear (12) include be fixed in dead lever (121) of placing board (5) bottom both sides, the bottom of dead lever (121) run through horizontal pole (10) and with box (1) fixed connection, the surface cover of dead lever (121) is equipped with spring (122), the both ends of spring (122) respectively with horizontal pole (10) and box (1) fixed connection.