CN116659768A - Battery protection shell seals detection device - Google Patents
Battery protection shell seals detection device Download PDFInfo
- Publication number
- CN116659768A CN116659768A CN202310433873.0A CN202310433873A CN116659768A CN 116659768 A CN116659768 A CN 116659768A CN 202310433873 A CN202310433873 A CN 202310433873A CN 116659768 A CN116659768 A CN 116659768A
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- CN
- China
- Prior art keywords
- battery
- helium
- detection device
- sealing
- seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 80
- 239000001307 helium Substances 0.000 claims abstract description 89
- 229910052734 helium Inorganic materials 0.000 claims abstract description 89
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 89
- 230000007704 transition Effects 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 44
- 230000007246 mechanism Effects 0.000 claims description 23
- 238000004080 punching Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 abstract description 26
- 238000002347 injection Methods 0.000 abstract description 9
- 239000007924 injection Substances 0.000 abstract description 9
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
A battery protection shell seal detection device belongs to the technical field of battery shell seal detection, and aims to solve the problems that when an existing battery seal helium detection device is restored to a detection environment after a liquid injection hole is loosened, helium in a battery needs to be released to a test cavity, then the test cavity and the interior of the battery are vacuumized again through a vacuum pump, the helium can remain in the test cavity, the residual quantity is very weak, but for a helium detection instrument with very high sensitivity, the residual quantity gradually accumulates to influence a test result; according to the invention, through the arrangement of the multi-path helium holes in the upper cover of the battery protective shell, the multi-channel recovery of helium is realized, and through the arrangement of the helium seal detection device, the compression of the inflation transition equipment by the inflation controller and the path control of the helium are realized.
Description
Technical Field
The invention relates to the technical field of battery shell seal detection, in particular to a battery protection shell seal detection device.
Background
For consumer electronics industry, the safety performance of lithium batteries is very high (applied to intelligent equipment such as mobile phones, watches, bluetooth headsets and the like), if the batteries leak, lithium ion solution contacts with air, the danger of combustion and explosion exists, so that battery manufacturers need to detect the tightness of the lithium batteries; the detection of the lithium battery shell is usually carried out by using detection equipment based on a helium detection principle, in the helium detection process, the battery shell can be understood as a closed small cavity, a liquid injection hole is formed in the cavity, the purpose of tightness detection is to detect whether the battery shell is leaked except the liquid injection hole, the existing helium detection equipment is to put a detected battery into a closed detection cavity, the liquid injection hole is opened, and the detection cavity is vacuumized by a vacuum pump; plugging the liquid injection hole, and injecting helium into the battery through the liquid injection hole (at the moment, the inside of the battery is helium, the outside is in a vacuum state, and if the battery leaks, the helium enters the vacuum detection cavity); and then, starting to detect the concentration of helium in the cavity by means of a helium detector, so as to judge whether the tightness meets the standard.
After the liquid filling hole is loosened, the helium in the battery needs to be released to the testing cavity when the detection environment is restored, then the testing cavity and the interior of the battery are vacuumized again through the vacuum pump, the helium can remain in the testing cavity, the residual quantity is very weak, and the problem that the test result is influenced by the gradual accumulation of the residual quantity exists for a helium detection instrument with very high sensitivity.
To solve the above problems. Therefore, a battery protection shell sealing detection device is provided.
Disclosure of Invention
The invention aims to provide a battery protection shell sealing detection device, which solves the problems that in the prior art, after a liquid injection hole is loosened, when the existing battery sealing helium detection device is restored to a detection environment, helium in a battery needs to be released to a test cavity, then the test cavity and the interior of the battery are vacuumized again through a vacuum pump, the helium can remain in the test cavity, the residual quantity is very weak, and the residual quantity gradually accumulates to influence a test result for a helium detection instrument with very high sensitivity.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a sealed detection device of battery protection casing, including the test bench, the upper end connection of test bench is provided with the battery case and places the platform, the upper end of test bench is fixedly provided with lift seal control mechanism, the one end of lift seal control mechanism runs through and is provided with battery protection casing upper cover, one side of battery protection casing upper cover is provided with the sealed detection device of helium, battery protection casing upper cover includes battery seal case, the inside of battery seal case has offered the multipath helium gas pocket all around, multipath helium hole is provided with four passageways of mutually crossing vertically, the sealed detection device of helium is including setting up the inflation transition equipment and the inflation controller in battery seal case upper end, the inflation transition equipment includes the vertical cylinder inflation transition ware, connect the battery punching press of setting up in the vertical cylinder inflation transition ware lower extreme, vertical mouth has been seted up in vertical cylinder inflation transition ware and the battery punching press ware, the inflation controller includes the connecting block, the control handle of setting up in connecting block one side, the punching press head of setting up in control handle one end.
Further, the battery case placing table comprises a lower battery placing mechanism, and the lower battery placing mechanism comprises a bottom plate fixedly arranged at the upper end of the detection table and positioning inserting blocks arranged at four corners of the bottom plate.
Further, the upper end connection of lower battery placement machine constructs is provided with the card box, has seted up the side location mouth around the card box, and the battery is placed the mouth in the inside of card box, is provided with the battery protection shell of waiting to detect in the battery is placed the mouth, has seted up annotating the liquid hole on waiting to detect the battery protection shell.
Further, the lifting sealing control mechanism comprises a supporting column, a lifting fixing plate arranged at the upper end of the supporting column, and a lifting drive fixedly arranged on one side of the lifting fixing plate.
Further, the lifting sealing control mechanism further comprises a moving plate arranged at the lifting driving telescopic end, and three groups of moving inserting rods are arranged in the moving plate in a penetrating connection mode.
Further, the helium sealing detection device comprises a helium supply device arranged on one side of the support column, a horizontal driver arranged at the inflating end of the helium supply device in a connecting mode, a cylindrical inflating head is arranged at the telescopic end of the horizontal driver, a side air hole is arranged on one side of the cylindrical inflating head, an inflating head supporting rod is arranged at the lower end of the cylindrical inflating head, and two groups of inflating head supporting rods are arranged at the lower end of the cylindrical inflating head.
Further, the inflation transition apparatus further includes a side connector provided at one side of the cylindrical inflation head.
Further, a helium seal detection port is formed in the battery seal box.
Further, sealing positioning grooves are formed in the periphery of the lower end of the battery sealing box, and four sealing positioning grooves are formed.
Further, a battery sealing upper cover is arranged in the battery sealing box.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the battery protection shell sealing detection device, through the arrangement of the multi-path helium holes in the upper sealing cover of the battery protection shell, multi-channel recovery of helium is realized, and the problem that the residual quantity gradually accumulates to influence the test result because helium remains in the test cavity of the conventional battery sealing helium detection equipment is solved.
2. According to the battery protection shell sealing detection device, through the arrangement of the helium sealing detection device, the inflation controller is used for pressing the inflation transition equipment and controlling the path of helium, and the problems that when the existing battery sealing helium detection equipment is restored to a detection environment after a liquid injection hole is loosened, the helium in the battery needs to be released to a testing cavity, then the testing cavity and the interior of the battery are vacuumized again through a vacuum pump, and the helium is recovered and released are solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the whole structure of the present invention;
FIG. 3 is a schematic view of the structure of the inspection station and the battery case placement station of the present invention;
FIG. 4 is a schematic view of the structure of the detecting table, the battery case placing table and the upper cover of the battery protecting case according to the present invention;
FIG. 5 is a schematic diagram of the lift seal control mechanism and helium seal detection apparatus of the present invention;
FIG. 6 is a schematic diagram of a helium seal detection unit according to the present invention;
FIG. 7 is a schematic diagram of a helium seal detection unit and a cover-over-cap separation structure of a battery protective case according to the present invention;
FIG. 8 is a schematic diagram II of a helium seal detection device and a cover separation structure on a battery protective shell according to the present invention;
fig. 9 is a schematic diagram of a cover structure of a battery protection case according to the present invention.
In the figure: 1. a detection table; 2. a battery case placement table; 21. a lower battery placement mechanism; 211. a bottom plate; 212. positioning the insert block; 22. a cartridge; 221. a side positioning port; 222. a battery placement port; 23. a battery protective shell to be detected; 231. a liquid injection hole; 3. a lifting seal control mechanism; 31. a support column; 32. lifting the fixing plate; 33. lifting driving; 34. a moving plate; 35. moving the plunger; 4. helium seal detection means; 41. a helium supply; 42. a horizontal driver; 421. a cylindrical inflation head; 422. a side air hole is arranged; 423. a head support rod; 43. an inflatable transition device; 431. a vertical cylindrical inflatable transition device; 432. a vertical port; 433. a battery punch; 434. a side connector; 44. an inflation controller; 441. a connecting block; 442. a control handle; 443. punching heads; 5. a cover is covered on the battery protective shell; 51. a battery sealing case; 52. helium gas sealing detection port; 53. sealing the positioning groove; 54. a battery sealing upper cover; 55. multipass helium holes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the technical problem that the helium gas of the existing battery tightness detection equipment remains in a test cavity, although the residual quantity is very weak, for a helium detection instrument with very high sensitivity, the residual quantity gradually accumulates to influence the test result, as shown in fig. 7-9, the following preferable technical scheme is provided:
the utility model provides a battery protection shell seal detection device, including detecting table 1, detecting table 1's upper end connection is provided with battery shell and places platform 2, detecting table 1's upper end is fixed to be provided with lift seal control mechanism 3, lift seal control mechanism 3's one end runs through and is provided with battery protection shell upper cover 5, one side of battery protection shell upper cover 5 is provided with helium seal detection device 4, battery protection shell upper cover 5 includes battery seal box 51, multi-path helium gas pocket 55 has been seted up around the inside of battery seal box 51, multi-path helium gas pocket 55 is provided with four passageways of mutually intersecting perpendicular, helium seal detection device 4 includes the inflation transition equipment 43 and the inflation controller 44 of setting up in battery seal box 51 upper end, inflation transition equipment 43 includes perpendicular cylinder inflation transition 431, connect the battery punching press 433 of setting up in perpendicular cylinder inflation transition 431 lower extreme, the vertical cylinder inflating transitional device 431 and the battery punching device 433 are internally provided with the vertical port 432, the inflating controller 44 comprises a connecting block 441, a control handle 442 arranged at one side of the connecting block 441, a punching head 443 arranged at one end of the control handle 442, after the battery sealing box 51 and the battery shell placing table 2 are combined and sealed under the control of the lifting sealing control mechanism 3, the sealing condition of the battery protecting shell 23 to be detected arranged in the battery sealing box can be detected by injecting helium, four vertically crossed multi-path helium holes 55 reserve passages around the battery protecting shell 23 to be detected for recovering the helium, so that the recovery of the helium is simpler and more convenient, the connecting block 441 plays a fixing role, the control handle 442 controls the extrusion degree of the punching head 443, when the punching head 443 is pressed into the vertical port 432, the helium circulation at one side of the vertical cylinder inflating transitional device 431 can be closed, the helium sequentially passes through the side connector 434 and the battery punch 433 to enter the battery sealing box 51 for sealing test, and after the helium recovery is completed, the residual helium is continuously punched and discharged in the battery by controlling the pressing position of the punching head 443, so that the residual helium can be effectively reduced and released.
In order to solve the technical problem that the helium gas of the existing battery tightness detection equipment remains in a test cavity, although the residual quantity is very weak, for a helium detection instrument with very high sensitivity, the residual quantity gradually accumulates to influence the test result, as shown in fig. 1-5, the following preferable technical scheme is provided:
the battery case placing table 2 comprises a lower battery placing mechanism 21, the lower battery placing mechanism 21 comprises a bottom plate 211 fixedly arranged at the upper end of the detection table 1 and positioning inserting blocks 212 arranged at four corners of the bottom plate 211, the bottom plate 211 is used for fixing the card box 22, and the positioning inserting blocks 212 are provided with four groups and are matched with the upper sealing cover 5 of the battery protection case for sealing and positioning.
The upper end connection of mechanism 21 is placed to lower battery is provided with the card box 22, side location mouth 221 has been seted up around the card box 22, the battery is placed mouthful 222 has been seted up to the inside of card box 22, be provided with in the battery is placed mouthful 222 and wait to detect battery protection shell 23, it annotates liquid hole 231 to have been seted up on the battery protection shell 23 to wait to detect, side location mouth 221's setting carries out further location to the sealed process of battery shell placement table 2 and battery protection shell upper cover 5, place in the battery is placed mouthful 222 and is waited to detect battery protection shell 23, the helium gets into through annotating liquid hole 231 and seals the detection.
The lifting seal control mechanism 3 includes a support column 31, a lifting fixing plate 32 provided at an upper end of the support column 31, a lifting drive 33 fixedly provided at one side of the lifting fixing plate 32, and the support column 31 and the lifting fixing plate 32 for supporting and fixing the lifting drive 33.
The lifting seal control mechanism 3 further comprises a moving plate 34 arranged at the telescopic end of the lifting drive 33, the moving inserting rods 35 arranged in the moving plate 34 are connected in a penetrating manner, three groups of moving inserting rods 35 are arranged in the moving plate 34 in a penetrating manner, the lifting drive 33 controls the lifting of the moving plate 34, the lifting of the moving plate 34 drives the three groups of moving inserting rods 35 to move in the lifting fixing plate 32 in a penetrating manner, and accordingly the battery protection shell upper sealing cover 5 arranged at the lower end of the moving plate 34 is driven to be connected for vertical seal arrangement, and a sealing environment is provided for detection of the battery protection box.
In order to solve the technical problem that the helium gas of the existing battery tightness detection equipment remains in a test cavity, although the residual quantity is very weak, for a helium detection instrument with very high sensitivity, the residual quantity gradually accumulates to influence the test result, as shown in fig. 6-9, the following preferable technical scheme is provided:
the helium seal detection device 4 comprises a helium supply device 41 arranged on one side of a support column 31, a horizontal driver 42 connected with an inflating end of the helium supply device 41, a cylindrical inflating head 421 is arranged at the telescopic end of the horizontal driver 42, side air holes 422 are arranged on one side of the cylindrical inflating head 421, an inflating head supporting rod 423 is arranged at the lower end of the cylindrical inflating head 421, two groups of inflating head supporting rods 423 are arranged at the lower end of the cylindrical inflating head 421, the helium supply device 41 supplies helium for the horizontal driver 42, the helium is transmitted into the cylindrical inflating head 421 as the horizontal driver 42 stretches and contracts against an inflating transition device 43, the side air holes 422 can manually control the helium, the cylindrical inflating head 421 is lifted by the two groups of inflating head supporting rods 423, supporting force is provided for the cylindrical inflating head 421, and the cylindrical inflating head 421 is prevented from being damaged due to large gravity.
The inflation transition apparatus 43 further includes a side connector 434 provided at one side of the cylindrical inflation head 421, and helium gas is inputted to the side connector 434 through the cylindrical inflation head 421, and the transfer direction of the helium gas can be changed by the control of the inflation controller 44.
The battery seal box 51 is provided with a helium seal detection port 52, the position of the helium seal detection port 52 corresponds to that of the battery punch 433, and the battery punch 433 is arranged in the helium seal detection port 52 in a squeezing mode by the inflation controller 44 to convey helium into the battery seal box 51.
The lower extreme of battery seal box 51 has seted up sealed constant head tank 53 all around, and sealed constant head tank 53 is provided with four, and four sealed constant head tanks 53 mutually agree with four group's location inserts 212 positions, accomplishes the combination location of battery case and places platform 2 and battery protection case upper cover 5.
The battery seal upper cover 54 is arranged in the battery seal box 51, the cartridge 22 and the battery protection shell 23 to be detected are fit in the battery seal upper cover 54, and the battery shell placing table 2 and the battery protection shell upper cover 5 are fit to finish the setting of the detection environment of the battery protection shell 23 to be detected.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should be covered by the protection scope of the present invention by making equivalents and modifications to the technical solution and the inventive concept thereof.
Claims (10)
1. The utility model provides a battery protection casing seals detection device, includes detection platform (1), its characterized in that: the upper end of the detection table (1) is connected with a battery shell placing table (2), the upper end of the detection table (1) is fixedly provided with a lifting seal control mechanism (3), one end of the lifting seal control mechanism (3) is provided with a battery protection shell upper sealing cover (5) in a penetrating way, and one side of the battery protection shell upper sealing cover (5) is provided with a helium seal detection device (4);
the battery protection shell upper cover (5) comprises a battery sealing box (51), multipath helium holes (55) are formed in the periphery of the inside of the battery sealing box (51), four paths perpendicular to each other are formed in the multipath helium holes (55), the helium sealing detection device (4) comprises an inflation transition device (43) and an inflation controller (44) which are arranged at the upper end of the battery sealing box (51), the inflation transition device (43) comprises a vertical cylindrical inflation transition device (431), a battery punch (433) arranged at the lower end of the vertical cylindrical inflation transition device (431) is connected, vertical ports (432) are formed in the vertical cylindrical inflation transition device (431) and the battery punch (433), the inflation controller (44) comprises a connecting block (441), a control handle (442) is arranged on one side of the connecting block (441), and a punching head (443) is arranged at one end of the control handle (442).
2. The battery protective case seal detection device according to claim 1, wherein: the battery shell placing table (2) comprises a lower battery placing mechanism (21), and the lower battery placing mechanism (21) comprises a bottom plate (211) fixedly arranged at the upper end of the detection table (1) and positioning inserting blocks (212) arranged at four corners of the bottom plate (211).
3. A battery protective case seal detection device according to claim 2, wherein: the upper end connection of lower battery placement machine constructs (21) is provided with draw-in box (22), and side location mouth (221) have been seted up around draw-in box (22), and battery placement mouth (222) have been seted up to the inside of draw-in box (22), are provided with in battery placement mouth (222) and wait to detect battery protection shell (23), have seted up annotate liquid hole (231) on waiting to detect battery protection shell (23).
4. The battery protective case seal detection device according to claim 1, wherein: the lifting sealing control mechanism (3) comprises a supporting column (31), a lifting fixing plate (32) arranged at the upper end of the supporting column (31) and a lifting drive (33) fixedly arranged on one side of the lifting fixing plate (32).
5. The battery protective case seal detection device according to claim 4, wherein: the lifting sealing control mechanism (3) further comprises a moving plate (34) arranged at the telescopic end of the lifting drive (33), a moving inserting rod (35) arranged in the moving plate (34) is connected in a penetrating mode, and three groups of moving inserting rods (35) are arranged.
6. The battery protective case seal detection device according to claim 4, wherein: helium seal detection device (4) are including setting up helium supply (41) in support column (31) one side, connect setting up horizontal driver (42) at helium supply (41) the end of aerifing, and the flexible end of horizontal driver (42) is provided with cylinder and aerifys first (421), and one side of cylinder is provided with side gas pocket (422) of aerifing first (421), and the lower extreme of cylinder is provided with and aerifys first bracing piece (423) and be provided with two sets of.
7. The battery protective case seal detection device according to claim 6, wherein: the inflation transition apparatus (43) further includes a side connector (434) disposed on one side of the cylindrical inflation head (421).
8. The battery protective case seal detection device according to claim 1, wherein: a helium seal detection port (52) is formed in the battery seal box (51).
9. The battery protective case seal detection device according to claim 1, wherein: sealing positioning grooves (53) are formed in the periphery of the lower end of the battery sealing box (51), and four sealing positioning grooves (53) are formed.
10. The battery protective case seal detection device according to claim 1, wherein: a battery sealing upper cover (54) is arranged in the battery sealing box (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310433873.0A CN116659768A (en) | 2023-04-21 | 2023-04-21 | Battery protection shell seals detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310433873.0A CN116659768A (en) | 2023-04-21 | 2023-04-21 | Battery protection shell seals detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116659768A true CN116659768A (en) | 2023-08-29 |
Family
ID=87708722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310433873.0A Pending CN116659768A (en) | 2023-04-21 | 2023-04-21 | Battery protection shell seals detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116659768A (en) |
-
2023
- 2023-04-21 CN CN202310433873.0A patent/CN116659768A/en active Pending
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