CN220872629U - Short circuit detection device for lithium battery lamination unit - Google Patents
Short circuit detection device for lithium battery lamination unit Download PDFInfo
- Publication number
- CN220872629U CN220872629U CN202322365118.1U CN202322365118U CN220872629U CN 220872629 U CN220872629 U CN 220872629U CN 202322365118 U CN202322365118 U CN 202322365118U CN 220872629 U CN220872629 U CN 220872629U
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- China
- Prior art keywords
- short circuit
- roller
- limiting plate
- lamination unit
- power roller
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- 238000003475 lamination Methods 0.000 title claims abstract description 93
- 238000001514 detection method Methods 0.000 title claims abstract description 86
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 238000009413 insulation Methods 0.000 claims 4
- 238000000034 method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Secondary Cells (AREA)
Abstract
The utility model discloses a short circuit detection device of a lithium battery lamination unit, which comprises a lamination transmission assembly, wherein the lamination transmission assembly comprises a detection power roller, two ends of the detection power roller are respectively provided with a conductive slip ring, and the leading-out end of the conductive slip ring is connected to a short circuit tester; the device also comprises lamination unit lug detection pieces arranged at the front ends of the two groups of conductive slip rings. According to the utility model, the transmission of the lithium battery lamination can be realized by the lamination transmission assembly, the leading-out ends of the conductive slip rings at the two ends of the detection power roller are connected with the short circuit tester, the short circuit test of the battery lamination can be realized by the short circuit tester and the conductive slip rings when the lamination pole lugs pass, the dynamic test of the battery lamination is realized by the transmission assembly in the process, the short circuit detection is carried out by the contact time of the pole lugs and the conductive slip rings on the detection power roller, the feasibility of the short circuit detection in the movement process of the lamination unit is ensured, the short circuit detection time is effectively shortened, and the efficiency of the whole lamination manufacturing procedure is improved.
Description
Technical Field
The utility model relates to the technical field of battery detection, in particular to a short circuit detection device for a lithium battery lamination unit.
Background
The manufacturing of the lithium battery core is completed by stacking a plurality of lamination units, and in the manufacturing process, short circuit detection needs to be carried out on each lamination unit before lamination, so that the short circuit of the whole core is prevented from being caused by the short circuit of a single lamination unit, the waste of materials is avoided, and the qualification rate of the whole core is improved.
The existing short circuit test mode needs to stand the lamination units, performs short circuit test on the lamination units by using static gap of pause, namely, after one lamination unit is detected, the lamination units are transmitted into the next lamination unit to perform short circuit test on the next lamination unit.
In summary, the present application provides a short circuit detection device for a lithium battery lamination unit to solve the above-mentioned problems.
Disclosure of utility model
The technical problems to be solved by the utility model are as follows: how to solve the problem that the current short circuit test mode of the lamination unit is generally static, thereby influencing the efficiency of the whole manufacturing process.
In order to solve the technical problems, the utility model provides the following technical scheme:
The utility model provides a lithium cell lamination unit short circuit detection device, includes lamination transmission subassembly, lamination transmission subassembly is including detecting the power roller, wherein detects the both ends of power roller and all is equipped with electrically conductive sliding ring, electrically conductive sliding ring's leading-out end is connected to short circuit tester;
and the front ends of the two groups of conductive slip rings are respectively provided with a lamination unit lug detection piece.
According to the application, the transmission of the lithium battery lamination can be realized by arranging the lamination transmission assembly, the conductive slip rings are arranged at the two ends of the detection power roller, the leading-out ends of the conductive slip rings are connected with the short circuit tester, the short circuit test of the battery lamination can be realized by the short circuit tester and the conductive slip rings when the lamination pole lugs pass, and the battery lamination is continuously transmitted through the transmission assembly in the process, so that the dynamic test is realized, the short circuit detection is carried out by the contact time of the pole lugs and the conductive slip rings on the detection power roller, the feasibility of the short circuit detection in the moving process of the lamination unit is ensured, the short circuit detection time is effectively shortened, and the efficiency of the whole lamination manufacturing process is improved.
As a further scheme of the utility model: the positioning rod is arranged at one side of the bottom of the limiting plate; the limiting plate is installed to one end of detecting the power roller, one end of detecting the power roller is connected to the riser of locating lever, the other end is connected to the limiting plate, one side of limiting plate back to the locating lever is connected to the locating baffle.
As a further scheme of the utility model: and a compression roller positioning assembly is arranged at the top of the detection power roller and between the limiting plate and the vertical plate of the positioning rod.
As a further scheme of the utility model: the compression roller positioning assembly comprises a compression roller, a compression roller cylinder, a connecting block and a connecting rod, wherein the connecting rod is positioned right above the detection power roller, one end of the connecting rod is connected to the limiting plate in a sliding manner through the connecting block, the other end of the connecting rod is connected to a vertical plate of the positioning rod in a sliding manner, the compression roller is arranged on two sides of the bottom of the connecting rod, and the compression roller is in contact with conductive slip rings at two ends of the detection power roller;
the connecting block is connected with a compression roller cylinder arranged on the limiting plate.
As a further scheme of the utility model: the positioning baffle is provided with a vertical adjusting piece for adjusting the position of the limiting plate.
As a further scheme of the utility model: the vertical adjusting piece comprises a guide block and a guide rail, wherein the guide rail is arranged on the positioning baffle plate and positioned on one side of the limiting plate, which is opposite to the positioning rod, the guide block is detachably arranged on the guide rail, and the guide block is detachably arranged on the limiting plate.
As a further scheme of the utility model: and a motor is further arranged on one side of the positioning baffle, which is opposite to the detection power roller, and the output end of the motor is connected with the detection power roller.
As a further scheme of the utility model: the lamination transmission assembly further comprises an insulating driving roller I and an insulating driving roller II, wherein the insulating driving roller I and the insulating driving roller II are positioned at the lower positions of the two ends of the detection power roller.
As a further scheme of the utility model: the first insulating driving roller and the second insulating driving roller are identical in structure and length.
As a further scheme of the utility model: the locating rod is of an L-shaped structure, one end of a horizontal plate of the locating rod is fixed to the limiting plate, the other end of the locating rod is a vertical plate, and the limiting plate and the locating rod form a U-shaped structure.
Compared with the prior art, the utility model has the beneficial effects that:
Firstly, the application can realize the transmission of the lithium battery lamination by arranging the lamination transmission assembly, the two ends of the detection power roller are provided with the conductive slip rings, the leading-out ends of the conductive slip rings are connected with the short circuit tester, when the lamination pole lugs pass, the short circuit test of the battery lamination can be realized by the short circuit tester and the conductive slip rings, and the battery lamination is continuously transmitted by the transmission assembly in the process, thereby realizing the dynamic test, carrying out the short circuit detection by the contact time of the pole lugs and the conductive slip rings, ensuring the feasibility of the short circuit detection in the moving process of the lamination unit, effectively shortening the short circuit detection time, and improving the efficiency of the whole lamination manufacturing procedure;
Secondly, the short circuit test can be carried out by the contact time of the lugs and the conductive slip rings, the position height of the detection power roller can be adjusted by the cooperation of the guide rail and the guide block, the adjustment can be carried out according to the widths of the lugs, the contact time of the lugs with the conductive slip rings with different widths is ensured, and the short circuit detection requirement is met;
Finally, a press roller is arranged above the detection power roller, the position height of the press roller can be adjusted through the cooperation of the press roller cylinder and the connecting block, the position of the lamination can be limited through the arrangement of the press roller, and the accuracy of short circuit detection is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a short circuit detection device for a lithium battery lamination unit according to an embodiment of the utility model;
fig. 2 is a schematic perspective view of a short circuit detection device for a lithium battery lamination unit according to an embodiment of the utility model;
FIG. 3 is a schematic perspective view of the embodiment of FIG. 2;
FIG. 4 is a schematic diagram illustrating the structure of FIG. 3 according to another view angle according to an embodiment of the present utility model;
FIG. 5 is a front view of the embodiment of the present utility model shown in FIG. 3;
FIG. 6 is a schematic diagram of a portion of the structure of FIG. 3 according to an embodiment of the present utility model;
FIG. 7 is a schematic diagram illustrating another view angle of FIG. 6 according to an embodiment of the present utility model;
Reference numerals illustrate: 1. a lamination unit; 2. an insulating driving roller I; 3. detecting a power roller; 4. an insulating driving roller II; 5. positioning a baffle; 6. a press roller; 7. a press roller cylinder; 8. a connecting block; 9. a connecting rod; 10. a conductive slip ring; 11. a guide block; 12. a guide rail; 13. a limiting plate; 14. a positioning rod; 15. lamination unit tab detection pieces; 16. and a motor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1-7, a short circuit detection device for a lithium battery lamination unit comprises a battery lamination unit 1, an insulating transmission roller I2, a detection power roller 3, an insulating transmission roller II 4, a positioning baffle 5, a press roller 6, a press roller cylinder 7, a connecting block 8, a connecting rod 9, a conductive slip ring 10, a guide block 11, a guide rail 12, a limiting plate 13, a positioning rod 14, a lamination unit tab detection piece 15 and a motor 16, wherein tabs to be detected are arranged at two ends of the battery lamination unit 1 (as shown in fig. 1), the battery lamination unit 1 is unfolded to be planar, and is transmitted through the cooperation of the insulating transmission roller I2, the detection power roller 3 and the insulating transmission roller II 4, and short circuit detection is performed in the transmission process, so that dynamic detection is realized;
specifically, the position of the tab is detected by the tab detecting member 15 of the lamination unit, the conductive slip ring 10 (in fig. 3) that the positive and negative tabs are close is judged, the conductive slip ring 10 contacts the positive and negative tabs when the positive and negative tabs pass through the press roller 6 and the detection power roller 3, the short circuit tester connected with the lead out end of the conductive slip ring 10 starts to work, the positive and negative tabs of the lamination unit 1 start to be detected after being electrified, and the short circuit condition of the lamination unit 1 can be judged from the moment that the lamination unit 1 just contacts the detection power roller 3 to the moment that the lamination unit leaves the detection power roller 3, and the detection is performed in the moving process, so that continuous short circuit detection is realized.
Referring to fig. 1, 2 and 3, the first insulating driving roller 2 and the second insulating driving roller 4 have the same structure and the same length, and one ends of the first insulating driving roller 2 and the second insulating driving roller 4 are detachably mounted on the positioning baffle 5 through flanges for conveying the lamination unit 1, wherein the detection power roller 3 is positioned between the first insulating driving roller 2 and the second insulating driving roller 4 and is also used for assisting in conveying the lamination unit 1, and it is noted that the first insulating driving roller 2 and the second insulating driving roller 4 are not driven by external power, and the detection power roller 3 is driven by external power, so that the movement of the lamination unit 1 can be driven.
Referring to fig. 6, one end of the detection power roller 3 is mounted on the limiting plate 13, and the other end is mounted on the vertical plate of the positioning rod 14, it should be noted that the positioning rod 14 has an "L" structure, one end of the horizontal plate is fixed on the limiting plate 13, the other end is the vertical plate, the limiting plate 13 and the positioning rod 14 form a "U" structure (as shown in fig. 6), and the rear side of the limiting plate 13 facing away from the positioning rod 14 is slidably connected to the positioning baffle 5.
Further, the guide blocks 11 are detachably mounted at two ends of the limiting plate 13 through bolts or pin shafts, the guide blocks 11 are slidably mounted on the guide rails 12, the guide rails 12 are detachably mounted on the positioning baffle 15 through bolts or pin shafts, when a worker wants to adjust the height position of the detection power roller 3, the position of the guide blocks 11 on the guide rails 12 can be adjusted, after the position is adjusted to a proper position, the guide blocks are fixed with the guide rails 12 through bolts or pin shafts, the adjustment is performed according to the actual condition of the spot, and the flexibility is high.
Referring to fig. 3 and 6, two ends of the detecting power roller 3 are provided with conductive slip rings 10, wherein the conductive slip rings 10 can normally rotate along with the detecting power roller 3, and the two conductive slip rings 10 are contacted with positive and negative electrode lugs at two ends of the lamination unit 1, so that short circuit detection can be performed on the positive and negative electrode lugs.
Referring to fig. 3 and 6, the positioning baffle 5 is disposed at the rear side of the limiting plate 13, a mounting groove is formed in the middle position of the positioning baffle 5, a motor 16 is mounted at the rear side of the positioning baffle 5, an output shaft of the motor 16 passes through the mounting groove and is connected with the detection power roller 3 on the limiting plate 13, the detection power roller 3 can be driven to rotate by the motor 16, so that power is provided for transmission of the lamination unit 1, and it is noted that the motor 16 is further connected with the limiting plate 13 through a connecting plate and is used for limiting and fixing the motor 16.
Referring to fig. 3 and 6, the press roller 6 is provided with two groups, which are respectively located above the two conductive slip rings 10, and the lamination unit 1 passes through between the press roller 6 and the conductive slip rings 10 during transmission, and the press roller 6 also has the function of positioning the lamination unit 1, so that the lamination unit 1 is pressed down to be in contact with the conductive slip rings 10; the two press rollers 6 are arranged on a connecting rod 9, and the connecting rod 9 and the detection power roller 3 are distributed in parallel and are positioned right above the detection power roller 3;
It should be noted that, one end sliding connection of connecting rod 9 is on the vertical board of locating lever 14, the other end passes through connecting block 8 sliding connection to limiting plate 13, and the bottom of connecting block 8 is connected to compression roller cylinder 7, compression roller cylinder 7 demountable installation is on limiting plate 13, work through control compression roller cylinder 7, compression roller cylinder 7 can drive connecting block 8 and reciprocate, and then drive connecting rod 9 and reciprocate, further drive two compression rollers 6 and reciprocate, when compression roller 6 reciprocates, can realize the pressfitting to lamination unit 1, can press it on detection power roller 3, ensure utmost point ear and electrically conductive sliding ring 10 contact.
Referring to fig. 4, the lamination unit tab detecting members 15 are provided with two groups, the two groups of lamination unit tab detecting members 15 are respectively mounted at two ends of the positioning rod 14 and located at one side of the detecting power roller 3, before the lamination unit 1 enters the detecting power roller 3 to perform short circuit detection, the detection of the tab position can be performed through the lamination unit tab detecting members 15, and the lamination unit tab detecting members 15 are actually position sensors.
The specific operation principle of the application is as follows:
When the device works, firstly, when the lamination unit sequentially passes through the second insulating driving roller 4, the first detecting power roller 3 and the first insulating driving roller 2 in fig. 3, the position of the lug is detected by the lug detecting piece 15 of the lamination unit when passing through the lug detecting piece 15 of the lamination unit, the fact that the positive and negative lugs are close to the conductive slip ring 10 on the short circuit detecting device is judged, the positive and negative lugs start to work by the short circuit tester connected with the lead out ends of the conductive slip ring 10 when passing through the press roller 6 and the conductive slip ring 10 on the detecting power roller 3, the positive and negative lugs of the lamination unit start to detect after the lamination unit 1 just contacts with the detecting power roller 3 and leaves from the detecting power roller 3, the short circuit condition of the lamination unit can be judged at the time, and the detection is carried out in the moving process, so that continuous short circuit detection is realized.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. The short circuit detection device for the lithium battery lamination unit is characterized by comprising a lamination transmission assembly, wherein the lamination transmission assembly comprises a detection power roller (3), two ends of the detection power roller (3) are respectively provided with a conductive slip ring (10), and the leading-out end of the conductive slip ring (10) is connected to a short circuit tester;
And the front ends of the two groups of conductive slip rings (10) are respectively provided with a lamination unit lug detection piece (15).
2. The lithium battery lamination unit short circuit detection device according to claim 1, wherein: the positioning device also comprises a limiting plate (13), a positioning rod (14) and a positioning baffle (5), wherein the positioning rod (14) is arranged at one side of the bottom of the limiting plate (13); one end of the detection power roller (3) is mounted on the limiting plate (13), one end of the detection power roller (3) is connected to a vertical plate of the positioning rod (14), the other end of the detection power roller is connected to the limiting plate (13), and one side, opposite to the positioning rod (14), of the limiting plate (13) is connected to the positioning baffle plate (5).
3. The lithium battery lamination unit short circuit detection device according to claim 2, wherein: and a compression roller positioning assembly is arranged at the top of the detection power roller (3) and between the limiting plate (13) and the vertical plate of the positioning rod (14).
4. A lithium battery laminated cell short circuit detection apparatus according to claim 3, wherein: the compression roller positioning assembly comprises a compression roller (6), a compression roller cylinder (7), a connecting block (8) and a connecting rod (9), wherein the connecting rod (9) is positioned right above the detection power roller (3), one end of the connecting rod (9) is connected onto a limiting plate (13) through the connecting block (8) in a sliding manner, the other end of the connecting rod is connected to a vertical plate of a positioning rod (14) in a sliding manner, compression rollers (6) are arranged on two sides of the bottom of the connecting rod (9), and the compression rollers (6) are in contact with conductive slip rings (10) at two ends of the detection power roller (3);
The connecting block (8) is connected with a compression roller cylinder (7) arranged on the limiting plate (13).
5. The lithium battery lamination unit short circuit detection device according to claim 2, wherein: the positioning baffle (5) is provided with a vertical adjusting piece for adjusting the position of the limiting plate (13).
6. The lithium battery lamination unit short circuit detection device according to claim 5, wherein: the vertical adjusting piece comprises a guide block (11) and a guide rail (12), wherein the guide rail (12) is arranged on the locating baffle plate (5) and positioned on one side of the limiting plate (13) opposite to the locating rod (14), the guide block (11) is detachably arranged on the guide rail (12), and the guide block (11) is detachably arranged on the limiting plate (13).
7. The lithium battery lamination unit short circuit detection device according to claim 2, wherein: and one side of the positioning baffle plate (5) facing away from the detection power roller (3) is also provided with a motor (16), wherein the output end of the motor (16) is connected with the detection power roller (3).
8. The lithium battery lamination unit short circuit detection device according to claim 1, wherein: the lamination transmission assembly further comprises an insulation driving roller I (2) and an insulation driving roller II (4), wherein the insulation driving roller I (2) and the insulation driving roller II (4) are positioned at the lower positions of the two ends of the detection power roller (3).
9. The lithium battery lamination unit short circuit detection device according to claim 8, wherein: the first insulating driving roller (2) and the second insulating driving roller (4) are identical in structure and length.
10. The lithium battery lamination unit short circuit detection device according to claim 2, wherein: the locating rod (14) is of an L-shaped structure, one end of a horizontal plate of the locating rod is fixed to the limiting plate (13), the other end of the locating rod is a vertical plate, and the limiting plate (13) and the locating rod (14) form a U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322365118.1U CN220872629U (en) | 2023-08-31 | 2023-08-31 | Short circuit detection device for lithium battery lamination unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322365118.1U CN220872629U (en) | 2023-08-31 | 2023-08-31 | Short circuit detection device for lithium battery lamination unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220872629U true CN220872629U (en) | 2024-04-30 |
Family
ID=90814073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322365118.1U Active CN220872629U (en) | 2023-08-31 | 2023-08-31 | Short circuit detection device for lithium battery lamination unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220872629U (en) |
-
2023
- 2023-08-31 CN CN202322365118.1U patent/CN220872629U/en active Active
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