CN220490328U - Battery box air tightness detection device - Google Patents
Battery box air tightness detection device Download PDFInfo
- Publication number
- CN220490328U CN220490328U CN202321323283.4U CN202321323283U CN220490328U CN 220490328 U CN220490328 U CN 220490328U CN 202321323283 U CN202321323283 U CN 202321323283U CN 220490328 U CN220490328 U CN 220490328U
- Authority
- CN
- China
- Prior art keywords
- battery box
- base
- test box
- cylinder
- box
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000003792 electrolyte Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000000243 solution 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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model belongs to the technical field of power batteries, and particularly relates to a battery box air tightness detection device which comprises a base, a portal frame and a lifting air cylinder, wherein the portal frame is fixed on the base, the lifting air cylinder is fixed on the portal frame, a piston rod of the lifting air cylinder is connected with a test box, sealing air cylinders are arranged on two sides of the upper part of the test box, a piston of each sealing air cylinder penetrates through the test box and is provided with a plug, the side part of the test box is provided with a gas inlet connector, and a moving platform is arranged on the base. This device has increased a test box and has increased the sealed cylinder of structure on the test box, blocks up the corresponding through-hole on the battery box through the end cap on the sealed cylinder, and the simple operation can be quick carries out the gas tightness test to the battery box, has improved work efficiency.
Description
Technical Field
The utility model belongs to the technical field of power battery manufacturing, and particularly relates to a battery box air tightness detection device.
Background
When the battery is manufactured, the battery box is generally used for containing electrolyte solution, the battery box is generally manufactured by welding sheets or injection molding by adopting a mold, but poor air tightness of the battery box is caused by easy cold welding when the battery box is welded, the injection molded battery box sometimes has micro air holes to cause poor air tightness of the battery box because of air in injection molding materials, and the poor air tightness of the battery box can easily cause liquid leakage in the battery box. The leakage of electrolyte can cause the electrolyte in the battery box to be reduced, the battery capacity is affected, the long-term use of the battery is difficult to ensure, and the leaked electrolyte is easy to corrode surrounding environment. In order to test the air tightness of the battery box, as disclosed in Chinese patent, the application number 201810205777.X of the air tightness detection air-entraining device and method of the battery box comprises an air-entraining device, wherein the air-entraining device comprises an air inlet and an air outlet, and an adjusting piece for adjusting the air passing amount is arranged between the air inlet and the air outlet; the air inlet is used for connecting an air source, the air inlet is positioned outside the battery box, the air outlet extends into the battery box, and the outer side wall surface of the air outlet is in sealing connection with the battery box. The disadvantages of this structure are as follows: because the battery box is generally reserved with the pole through holes and the liquid holes, the sealing of the holes is ensured when the battery box is detected, and the detection result can be influenced by the battery box, the existing structure is sealed in a plug mode, the mode is time-consuming and labor-consuming, and the operation is inconvenient.
Disclosure of Invention
The utility model aims to provide a device for detecting the air tightness of a battery box, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a battery box gas tightness detection device, includes base, portal frame and lift cylinder, and the portal frame is fixed on the base, and the lift cylinder is fixed on the portal frame, is connected with the test box on the piston rod of lift cylinder, and the upper portion both sides of test box are equipped with sealed cylinder, and the lateral part of test box is equipped with gas inlet joint, be equipped with moving platform on the base.
Preferably, the bases on two sides of the movable platform are respectively provided with a clamping cylinder.
Preferably, a positioning cylinder is arranged at the bottom of the base, a positioning rod is arranged on a piston rod of the positioning cylinder, a positioning groove is arranged at the bottom of the moving platform, and the positioning rod is matched with the positioning groove.
Preferably, two sides of the bottom of the mobile platform are connected with the base through sliding rails, and a push handle is arranged at the front part of the mobile platform.
Preferably, a guide post is fixed on the test box and is matched with a guide sleeve fixed on the portal frame.
The beneficial effects of the utility model are as follows: compared with the prior art, the device is provided with the test box, the structure sealing air cylinder is additionally arranged on the test box, the corresponding through hole on the battery box is plugged through the plug on the sealing air cylinder, the operation is convenient, the air tightness test can be carried out on the battery box rapidly, and the working efficiency is improved.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a side view of the present utility model;
fig. 3 is a cross-sectional view of the present utility model.
Detailed Description
The following detailed description of the utility model refers to the accompanying drawings and preferred embodiments.
As shown in fig. 1-3, the battery box air tightness detection device comprises a base 1, a portal frame 2 and a lifting air cylinder 3, wherein the portal frame is fixed on the base, the lifting air cylinder is fixed on the portal frame, a piston rod of the lifting air cylinder is connected with a test box 4, the test box is of a square structure, an opening is formed in the lower portion of the test box, the size of the test box is matched with that of the battery box, sealing strips 7 are arranged around the opening, sealing air cylinders 5 are arranged on two sides of the upper portion of the test box, a piston of each sealing air cylinder penetrates through the test box and is provided with a plug 6, and the sealing air cylinders drive the plug to move so as to plug through holes in the battery box. In order to facilitate the movement of the battery box, a mobile platform 8 is arranged on the base.
In order to position the two sides of the battery box, the bases on the two sides of the mobile platform are respectively provided with a clamping cylinder 9. When the battery box moves to the position right below the test box, the two clamping cylinders clamp the battery box.
In order to position the mobile platform, a positioning cylinder 10 is arranged at the bottom of the base, a positioning rod 11 is arranged on a piston rod of the positioning cylinder, a positioning groove 12 is arranged at the bottom of the mobile platform, and the positioning rod is matched with the positioning groove.
In order to facilitate moving the mobile platform, two sides of the bottom of the mobile platform are connected with the base through sliding rails 13, and a push handle 14 is arranged at the front part of the mobile platform. The movable platform is driven to move on the sliding rail by the pushing handle.
A guide post 15 is fixed on the test box and is matched with a guide sleeve 16 fixed on the portal frame.
When the automatic battery box clamping device is used, the battery box is placed on the mobile platform, the mobile platform is pushed, the battery box is moved to the lower portion of the battery box, the positioning air cylinder is started, the positioning rod is inserted into the positioning groove, the mobile platform is kept motionless, the clamping air cylinders on the two sides are started, the battery box is clamped and fixed, the lifting air cylinder is started, the test box is driven to move downwards, the upper portion of the battery box is fastened, the sealing air cylinder is started, the plugs are driven to plug a plurality of through holes on the upper portion of the battery box, finally, the vacuum connector is connected to a safety valve hole on the side portion of the battery box, the inside of the battery box is vacuumized by the through holes on the safety valve, and whether the battery box leaks air or not is judged by observing the change of the pressure gauge.
It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be comprehended within the scope of the present utility model.
Claims (5)
1. The utility model provides a battery box gas tightness detection device, includes base, portal frame and lift cylinder, and the portal frame is fixed on the base, and the lift cylinder is fixed on the portal frame, its characterized in that: the piston rod of the lifting cylinder is connected with a test box, sealing cylinders are arranged on two sides of the upper portion of the test box, the piston of each sealing cylinder penetrates through the test box and is provided with a plug, and the base is provided with a moving platform.
2. The battery box air tightness detection device according to claim 1, wherein clamping air cylinders are respectively arranged on bases on two sides of the movable platform.
3. The battery box air tightness detection device according to claim 1, wherein a positioning cylinder is arranged at the bottom of the base, a positioning rod is arranged on a piston rod of the positioning cylinder, a positioning groove is arranged at the bottom of the mobile platform, and the positioning rod is matched with the positioning groove.
4. The battery box air tightness detection device according to claim 1, wherein two sides of the bottom of the mobile platform are connected with the base through sliding rails, and a push handle is arranged at the front part of the mobile platform.
5. The battery box air tightness detection device according to claim 1, wherein a guide post is fixed on the test box and is matched with a guide sleeve fixed on the portal frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321323283.4U CN220490328U (en) | 2023-05-26 | 2023-05-26 | Battery box air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321323283.4U CN220490328U (en) | 2023-05-26 | 2023-05-26 | Battery box air tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220490328U true CN220490328U (en) | 2024-02-13 |
Family
ID=89829346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321323283.4U Active CN220490328U (en) | 2023-05-26 | 2023-05-26 | Battery box air tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220490328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102024106527B3 (en) | 2024-03-07 | 2025-03-20 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method for leak testing of a high-voltage battery and use of a plant for the production of high-voltage batteries with a test station |
-
2023
- 2023-05-26 CN CN202321323283.4U patent/CN220490328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102024106527B3 (en) | 2024-03-07 | 2025-03-20 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method for leak testing of a high-voltage battery and use of a plant for the production of high-voltage batteries with a test station |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |