CN215067166U - Lithium ion battery cell short circuit testing arrangement - Google Patents
Lithium ion battery cell short circuit testing arrangement Download PDFInfo
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- CN215067166U CN215067166U CN202120728866.XU CN202120728866U CN215067166U CN 215067166 U CN215067166 U CN 215067166U CN 202120728866 U CN202120728866 U CN 202120728866U CN 215067166 U CN215067166 U CN 215067166U
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- circuit testing
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Abstract
The utility model discloses a lithium ion cell short circuit testing device, including cylinder support, bottom plate, clamp plate, probe seat, probe, cylinder and short circuit testing device, the cylinder sets up on cylinder support, cylinder support bottom and bottom plate fixed connection, be connected with the clamp plate on the output piston of cylinder, respectively be provided with a probe seat on the front and back terminal surface of clamp plate, be connected with a preforming respectively on two probe seats, two preforming are used for realizing the intercommunication with the utmost point ear of lithium ion cell, the probe seat communicates with short circuit testing device's probe; the utility model provides a lithium ion cell remove about the lithium ion cell in short circuit test process around and lead to the utmost point ear of lithium ion cell by the probe fish tail, produce condemned problem to quality inspection person can alone the independent operation in short circuit testing process, can use manpower sparingly cost greatly like this and improve detection efficiency.
Description
Technical Field
The utility model belongs to the technical field of lithium ion cell short circuit detects, concretely relates to lithium ion cell short circuit testing arrangement.
Background
At present, the short circuit test of the lithium ion battery cell is realized by tightly attaching two probes of a battery cell short circuit tester to lugs on two sides of the battery cell to judge whether the battery cell is short-circuited, and in the test process, a quality inspector holds a red probe by one hand and a black probe by the other hand and still operates the battery cell short circuit tester in the short circuit test process, so that the working efficiency of the quality inspector is greatly reduced. And the battery cell is in a free state and is not fixed in the whole operation process, and if a quality inspector carelessly does not pay attention to the probe, the tab is easily scratched, so that the battery cell is easily scrapped.
At present, the shapes and sizes of battery cores produced by various battery manufacturers are not uniform, and a standard battery core short circuit testing device does not exist in the market, so that a process device capable of fixing the battery cores and rapidly detecting the short circuit of the battery cores is needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides a lithium ion cell short circuit testing arrangement fixes lithium ion cell when the test, has solved lithium ion cell in the short circuit test process, and the utmost point ear that leads to lithium ion cell is controlled around the lithium ion cell is removed by the probe fish tail, produces condemned condition, has improved detection efficiency.
In order to achieve the above object, the utility model provides a following technical scheme: a lithium ion cell short circuit testing device comprises a cylinder bracket, a bottom plate, a pressing plate, a probe seat, a probe, a cylinder and a short circuit testing device,
the device comprises a cylinder support, a base plate, a pressing plate, pressing plates, pressing sheets and a short circuit testing device, wherein the cylinder is arranged on the cylinder support, the bottom of the cylinder support is fixedly connected with the base plate, the pressing plates are connected onto an output piston of the cylinder, the front end face and the rear end face of each pressing plate are respectively provided with a probe seat, the two probe seats are respectively connected with one pressing sheet, the two pressing sheets are used for being communicated with a lug of a lithium ion cell, and the probe seats are communicated with probes of the short circuit testing device.
Furthermore, the two probe seats are symmetrically arranged on the front end face and the rear end face of the pressing plate, and the two pressing plates are symmetrically arranged.
Furthermore, the air cylinder is communicated with a two-position four-way manual reversing valve, the two-position four-way manual reversing valve is externally connected with an air source, and the two-position four-way manual reversing valve is used for controlling the movement of a piston rod of the air cylinder.
Furthermore, the pressing plate is detachably connected with a piston rod of the air cylinder.
Further, the pressing plate is subjected to anodic oxide insulation treatment, and the pressing plate is not conducted with the probe seat.
Furthermore, the pressing sheet is fixed on the probe seat through a screw, and the pressing sheet is communicated with the probe seat.
Further, the probe seat is in threaded connection with the pressing plate.
Furthermore, the pressing sheet is an arc-shaped bent plate, and the outer end of the arc-shaped bent plate is upwards warped by 5-10 degrees.
Furthermore, the short circuit testing device is connected with a probe through a cable, a small hole is formed in the probe seat, and the probe is placed in the small hole of the probe seat.
Furthermore, the air inlet and the air return port of the air cylinder are both provided with speed regulating valves, and the speed regulating valves are used for controlling the movement speed of the pressure plate.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
the utility model provides a lithium ion battery cell short circuit testing arrangement, the cooperation through cylinder and clamp plate is earlier with lithium ion battery cell's rigidity, be provided with a preforming on two probe seats that set up on the clamp plate respectively, in the fixed lithium ion battery cell position of clamp plate, realize the intercommunication between preforming and the utmost point ear, whether short circuit testing arrangement's probe switches on with the probe seat and just can realize detecting lithium ion battery cell short circuit, this device is fixed lithium ion battery cell before detecting, has avoided at lithium ion battery cell in the short circuit test process, problem that the removal was controlled around the lithium ion battery cell, and the utility model discloses a testing arrangement can alone independent operation, can save the human cost and improve detection efficiency greatly like this.
Adopt the utility model discloses a device examines time measuring, directly puts into short circuit testing arrangement's probe and just can detect with the probe seat, and the quality testing personnel need not take the probe in hand, and the probe passes through the short circuit condition that probe seat, preforming directly detected lithium ion battery cell, and is both convenient and simple.
The utility model discloses in adopt the motion of two-position four-way hand-operated reversing valve control cylinder piston rod, the stability of atmospheric pressure among the assurance pneumatic system that two-position four-way hand-operated reversing valve can be fine on the one hand, on the other hand adopts the motion operation that two-position four-way hand-operated reversing valve quality detection personnel one hand just can accomplish the cylinder, and another can place or get and unload electric core, consequently can be very big save the human cost.
The utility model discloses preforming on the well probe seat adopts the design of arc bent plate, and at the in-process of contact lug, has certain cushioning effect, can not cause the damage to the lug.
The utility model discloses air inlet and return air inlet department at the cylinder all are provided with the governing valve, utilize the speed governing valve to control pneumatic piston rod motion speed, can realize the control to control electric core detection efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a testing device of the present invention;
in the figure: the device comprises a base plate 1, a lug 2, a lithium ion battery cell 3, a tabletting 4, a pressing plate 5, a probe seat 6, a probe 7, a speed regulating valve 8, a cable 9, a cylinder 10, a side plate 11, a top plate 12, a first air pipe 13, a two-position four-way manual reversing valve 14 and a second air pipe 15.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
The utility model provides a lithium ion cell short circuit testing device, as shown in figure 1, including cylinder 10 and clamp plate 5, cylinder 10 is fixed on the cylinder support, the cylinder support comprises two curb plates 11 and a roof 12 connecting the tops of two curb plates 11 together, the bottom of two curb plates 11 is connected with a bottom plate 1 together, there is certain space between the piston rod of cylinder 10 and bottom plate 1 for placing lithium ion cell 3, the piston rod of cylinder 10 is connected with a clamp plate 5 through bolt fastening, the cylinder drives 10 and drives clamp plate 5 to reciprocate and realize the fixation of lithium ion cell 3;
in the utility model, the left and right end faces of the pressing plate 5 are parallel to the side plate 11 of the cylinder bracket, the front and back end faces of the pressing plate 5 are perpendicular to the side plate 11 of the cylinder bracket, the front and back end faces of the pressing plate 5 are respectively provided with a probe seat 6, two probe seats 6 are respectively connected with a pressing piece 4 through screws, the positions of the two pressing pieces 4 are symmetrical, when the pressing plate 5 moves downwards to press the lithium ion battery cell 3, the pressing piece 4 can just press the lug 2 on the lithium ion battery cell 3 to realize the communication between the pressing piece 4 and the lug 2, and the probe seat 6 is connected with the probe 7 of the short circuit tester to detect whether the lithium ion battery cell 3 has short circuit;
in the utility model, the cylinder 10 is communicated with the two-position four-way manual reversing valve 14, the reversing action of the two-position four-way manual reversing valve 14 is utilized to control the up-and-down movement of the piston rod of the cylinder 10, namely, the up-and-down movement of the pressing plate 5 is realized, wherein, two gas ports on one side of the two-position four-way manual reversing valve 14 are respectively communicated with the gas inlet and the gas return port of the cylinder 10 through a first gas pipe 13; two air ports on the other side of the two-position four-way manual reversing valve 14 are respectively externally connected with an air source through a second air pipe 15 to form a complete pneumatic system.
The utility model discloses in, all be provided with speed governing valve 8 on the air inlet of cylinder 10 and the return air mouth, at the in-process that compresses tightly lithium ion cell 3, the air mass flow that gets into cylinder 10 can be adjusted to the speed of motion of control cylinder, just also can control clamp plate 5.
Preferably, the size of the pressure plate 5 is designed according to the length, width and height of the lithium ion battery cell 3;
preferably, when lithium ion cells 3 of different sizes are detected, the pressing plate 5 of the matching size can be replaced.
Preferably, the probe seat 6 is in threaded connection with the pressure plate 5;
preferably, the pressing plate 5 is subjected to anodic oxidation insulation treatment to prevent conduction between the pressing plate 5 and the probe seat 6;
preferably, preforming 4 adopts the design of arc bent plate, and the perk 5 ~ 10 that makes progress of the outer end of this arc bent plate, and when the arc bent plate down pushed down, the edge of arc bent plate can not rub and hinder utmost point ear to the arc bent plate can be inseparabler with 2 contacts of utmost point ear, and the testing result can be more reliable.
Preferably, the probe seat 6 is provided with a small hole, a probe 7 of the short circuit tester can be inserted into the small hole, and the probe 7 transmits the detected resistance value to the short circuit tester through a cable 9, so that whether the lithium ion cell 3 is short or not can be judged.
Preferably, the pressing sheet 4, the probe seat 6 and the probe 7 are communicated, and the probe seat 6 is made of an aluminum alloy LY12 material.
Preferably, in the utility model, the bottom plate 1, the side plate 11, the top plate 12 and the cylinder 10 are connected together by bolts, and the mounting is convenient, the structure is simple and the price is low.
Preferably, the two-position four-way reversing valve 14 is used to ensure the stability of the air pressure in the pneumatic system.
The utility model discloses a testing arrangement's application method specifically as follows:
firstly, a piston rod of an air cylinder 10 is retracted by adjusting a two-position four-way manual reversing valve 14, then a lithium ion cell 3 is placed on a bottom plate 1, two tabs 2 on the lithium ion cell 3 correspond to two pressing sheets 4 on a pressing plate 5 in position, the two-position four-way manual reversing valve 14 is adjusted to extend the piston rod of the air cylinder 10, the pressing plate 5 is directly pressed on the lithium ion cell 3 to flatten and fix the lithium ion cell 3, meanwhile, a probe seat 6 on the pressing plate 5 drives the two pressing sheets 4 to be pressed downwards, the two pressing sheets 4 are respectively conducted with one electric core tab 2, at the moment, the pressing plate 5 and the probe seat 6 are in a non-conduction state, the probe seat 6 and the pressing sheet 4 are in a conduction state, two probes 7 of a short-circuit tester are placed in small holes of the probe seat 6, the probes 7, the pressing sheets 6 and the probe seat 4 are conducted, and the conduction of the short-circuit tester and the pressing sheet 4 is equivalent to directly detecting the tabs 2 at two ends of the lithium ion cell 3, at this time, it is possible to detect whether the lithium ion cell 3 has a short circuit.
Claims (10)
1. A lithium ion cell short circuit testing device is characterized by comprising a cylinder bracket, a bottom plate (1), a pressure plate (5), a probe seat (6), a probe (7), a cylinder (10) and a short circuit testing device,
the lithium ion battery short circuit testing device is characterized in that the air cylinder (10) is arranged on an air cylinder support, the bottom of the air cylinder support is fixedly connected with the bottom plate (1), a pressing plate (5) is connected onto an output piston of the air cylinder (10), a probe seat (6) is respectively arranged on the front end face and the rear end face of the pressing plate (5), pressing plates (4) are respectively connected onto the two probe seats (6), the two pressing plates (4) are used for being communicated with a lug (2) of a lithium ion battery cell (3), and the probe seat (6) is communicated with a probe (7) of the short circuit testing device.
2. The lithium ion cell short circuit testing device according to claim 1, wherein the two probe bases (6) are symmetrically arranged on the front and rear end surfaces of the pressing plate (5), and the two pressing plates (4) are symmetrically arranged.
3. The lithium ion battery cell short circuit testing device according to claim 1, wherein the cylinder (10) is communicated with a two-position four-way manual reversing valve (14), the two-position four-way manual reversing valve (14) is externally connected with an air source, and the two-position four-way manual reversing valve (14) is used for controlling the movement of a piston rod of the cylinder (10).
4. The lithium ion cell short circuit testing device according to claim 1, wherein the pressure plate (5) is detachably connected with a piston rod of the air cylinder (10).
5. The lithium ion cell short circuit testing device according to claim 1, wherein the pressing plate (5) is subjected to anodic oxide insulation treatment, and the pressing plate (5) is not conducted with the probe seat (6).
6. The lithium ion battery cell short circuit testing device according to claim 1, wherein the pressing plate (4) is fixed on the probe base (6) through a screw, and the pressing plate (4) is conducted with the probe base (6).
7. The lithium ion cell short circuit testing device according to claim 1, wherein the probe base (6) is in threaded connection with the pressure plate (5).
8. The lithium ion battery cell short circuit testing device according to claim 1, wherein the pressing sheet (4) is an arc-shaped bent plate, and the outer end of the arc-shaped bent plate is upwards warped by 5-10 °.
9. The lithium ion battery cell short circuit testing device according to claim 1, wherein the short circuit testing device is connected with a probe (7) through a cable (9), the probe base (6) is provided with a small hole, and the probe (7) is placed in the small hole of the probe base (6).
10. The lithium ion battery cell short circuit testing device according to claim 1, wherein speed regulating valves (8) are arranged on the air inlet and the air return port of the air cylinder (10), and the speed regulating valves (8) are used for controlling the movement speed of the pressure plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120728866.XU CN215067166U (en) | 2021-04-09 | 2021-04-09 | Lithium ion battery cell short circuit testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120728866.XU CN215067166U (en) | 2021-04-09 | 2021-04-09 | Lithium ion battery cell short circuit testing arrangement |
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| CN215067166U true CN215067166U (en) | 2021-12-07 |
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| CN202120728866.XU Active CN215067166U (en) | 2021-04-09 | 2021-04-09 | Lithium ion battery cell short circuit testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115575850A (en) * | 2022-09-02 | 2023-01-06 | 湖北钛时代新能源有限公司 | Testing device for electric core vibration-leveling short circuit |
-
2021
- 2021-04-09 CN CN202120728866.XU patent/CN215067166U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115575850A (en) * | 2022-09-02 | 2023-01-06 | 湖北钛时代新能源有限公司 | Testing device for electric core vibration-leveling short circuit |
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