Helium mass spectrometer leak detector for battery top cover plate
By designing a battery cover plate helium mass spectrometer with limiting, compression, vacuuming and protection mechanisms, the problems of poor adaptability and safety hazards of existing equipment are solved, and the safety detection of multi-size battery cover plates is achieved.
Patent Information
- Application Number
- CN202422117721.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-30
AI Technical Summary
Existing leak detection equipment can only detect the single-size battery ceiling, which has poor adaptability and poses safety hazards during the vacuum detection process.
A battery ceiling cover helium mass spectrometer is designed, which includes limiting, compression, vacuuming and protection mechanisms. It can adapt to battery ceiling plates of different sizes, fixed by limiting mechanisms, sealing the compression mechanism, and detecting the vacuuming mechanism, and use protective mechanisms to prevent safety hazards.
It realizes extensive adaptability detection of battery ceiling panels of different sizes, ensures the safety of the inspection process and avoids the occurrence of safety hazards.
Smart Images
Figure CN223077822U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of leak detectors, in particular to a helium mass spectrometer leak detector for battery top covers. Background Technique
[0002] The battery top cover is an important part of the battery packaging structure, especially crucial for lithium-ion batteries. It is located at the top of the battery and, together with other parts of the battery case, forms a complete sealing system to ensure the stability and safety of the internal environment of the battery.
[0003] Therefore, after the production and manufacturing of the battery top cover, it is necessary to detect its sealing performance. During the detection process, a leak detector is usually used for detection. However, in the existing leak detection equipment during the leak detection process, only battery top covers of a single size can be detected. Therefore, the adaptability of the detection process is poor, and during the leak detection process, a vacuum state will be formed, which may cause certain potential safety hazards. For this reason, we propose a helium mass spectrometer leak detector for battery top covers. Content of the Utility Model
[0004] The purpose of the utility model is to provide a helium mass spectrometer leak detector for battery top covers to solve the problems raised in the background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: a helium mass spectrometer leak detector for battery top covers, including a working plate, an installation plate is fixedly installed on the working plate, a control box is fixedly installed on one side of the top of the working plate through a support frame, a base is fixedly installed on the top of the working plate, a vacuum pumping mechanism for pumping vacuum is arranged above the installation plate, two groups of limiting mechanisms for limiting battery top covers of different sizes are arranged on the base, a pressing mechanism for limiting and pressing the battery top cover is arranged on the base, and a protection mechanism is arranged outside the base on the top of the working plate.
[0006] Furthermore, the vacuum pumping mechanism includes an air pump, a connecting pipe and a vertical rod. A vacuum groove is penetrated and opened on the working plate and the base. The air pump is fixedly installed on the installation plate, and the air pump is fixedly communicated with the vacuum groove through the connecting pipe.
[0007] Furthermore, the pressing mechanism includes a vertical rod, a top plate, a driving cylinder, a moving plate and a pressing plate. The top plate is fixedly installed on the top of the base through a plurality of vertical rods. The moving plate is slidably connected to the vertical rod. The driving cylinder is fixedly installed on the top of the top plate, the output end of the driving cylinder is fixedly connected with the moving plate, and the pressing plate is fixedly connected to the bottom of the moving plate.
[0008] Further, the limiting mechanism includes adjustment grooves, limiting posts and positioning blocks. A plurality of groups of adjustment grooves are penetrated and opened on the base. The limiting posts are inserted into the adjustment grooves, and an "L"-shaped positioning block is fixedly installed at the top of the limiting posts.
[0009] Further, the protection mechanism includes a protection plate, a sealing plate, a baffle, an adsorption sheet and an iron sheet. The protection plate is fixedly installed on the top of the working plate. The sealing plate is slidably connected to the protection plate. One side of the sealing plate is fixedly connected to the baffle. One side of the sealing plate is fixedly connected to the adsorption sheet. One side of the inner wall of the protection plate is fixedly connected to an iron sheet that adsorbs the adsorption sheet. A push handle is fixedly installed on the sealing plate.
[0010] Further, sealing gaskets made of rubber materials are arranged on the top of the base and the bottom of the pressing plate. An inclined chamfer is provided at the top of the positioning block.
[0011] Compared with the prior art, the utility model has the following beneficial effects: The battery top cover plate to be detected is placed above the base in the utility model. When placing, the battery top cover plate is fixed by the limiting mechanism, and the provided limiting mechanism can limit and fix battery top cover plates of different sizes, making the adaptability of the whole device wider. Then, the pressing mechanism presses and seals the battery top cover plate, and then the vacuum pumping mechanism can be used for vacuum pumping detection. And during the detection process, the protection mechanism can be used for protection to prevent potential safety hazards during the detection process. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is a schematic structural diagram of the first three-dimensional view of the utility model;
[0013] Figure 2 is a schematic structural diagram of the second three-dimensional view of the utility model;
[0014] Figure 3 is an enlarged schematic diagram of the structure A of the utility model.
[0015] In the figure: 1 working plate, 2 mounting plate, 3 base, 4 limiting mechanism, 5 vacuum pumping mechanism, 6 pressing mechanism, 7 protection mechanism, 8 support frame, 9 control box, 10 vacuum chamber, 11 air extraction pump, 12 connecting pipe, 13 vertical rod, 14 top plate, 15 driving cylinder, 16 moving plate, 17 pressing plate, 18 adjustment groove, 19 limiting post, 20 positioning block, 21 protection plate, 22 sealing plate, 23 baffle, 24 push handle, 25 adsorption sheet, 26 iron sheet. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0016] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0017] Please refer to Figures 1 - 3 , the present invention provides a technical solution: a helium mass spectrometer leak detector for a battery top cover plate, including a working plate 1, an installation plate 2 is fixedly installed on the working plate 1, a control box 9 is fixedly installed on one side of the top of the working plate 1 through a support frame 8, a base 3 is fixedly installed on the top of the working plate 1, a vacuum pumping mechanism 5 for pumping vacuum is arranged above the installation plate 2, two groups of limiting mechanisms 4 for limiting different-sized battery top cover plates are arranged on the base 3, a pressing mechanism 6 for limiting and pressing the battery top cover plate is arranged on the base 3, and a protection mechanism 7 is arranged outside the base 3 on the top of the working plate 1.
[0018] Among them, the battery top cover plate to be detected is placed above the base 3. When placing, the battery top cover plate is fixed by the limiting mechanism 4, and the set limiting mechanism 4 can limit and fix battery top cover plates of different sizes, making the whole device more adaptable. Subsequently, the pressing mechanism 6 presses and seals the battery top cover plate, and then the vacuum pumping mechanism 5 can be used for vacuum pumping detection. And during the detection process, the protection mechanism 6 can be used for protection to prevent potential safety hazards during the detection process.
[0019] Please refer to Figure 1 , the vacuum pumping mechanism 5 includes an air pump 11, a connecting pipe 12 and a vertical rod 13. A vacuum groove 10 is penetrated and opened on the working plate 1 and the base 3. The air pump 11 is fixedly installed on the installation plate 2, and the air pump 11 is fixedly communicated with the vacuum groove 10 through the connecting pipe 12.
[0020] Among them, the battery top cover plate to be detected is placed on the base 3. Subsequently, the pressing mechanism 6 works to press and fix the battery top cover plate. Then the air pump 11 works, and vacuum leak detection can be carried out by using the connecting pipe 12 and the vacuum groove 10.
[0021] Please refer to Figure 1 and Figure 2, the pressing mechanism 6 includes a vertical rod 13, a top plate 14, a driving cylinder 15, a moving plate 16 and a pressing plate 17. The top of the base 3 is fixedly installed with a top plate 14 through a plurality of groups of vertical rods 13. A moving plate 16 is slidably connected to the vertical rod 13. The top of the top plate 14 is fixedly installed with a driving cylinder 15. The output end of the driving cylinder 15 is fixedly connected to the moving plate 16. The bottom of the moving plate 16 is fixedly connected to a pressing plate 17.
[0022] Among them, after the battery top cover plate is placed, start the driving cylinder 15 to operate. The driving cylinder pushes the moving plate 16 and the pressing plate 17 downward, so that the pressing plate 17 can contact the battery top cover plate, and the pressing and positioning of the battery top cover plate are completed.
[0023] Please refer to Figure 1 , Figure 2 and Figure 3 , the limiting mechanism 4 includes an adjustment groove 18, a limiting column 19 and a positioning block 20. A plurality of groups of adjustment grooves 18 are penetrated and opened on the base 3. A limiting column 19 is inserted into the adjustment groove 18. The top of the limiting column 19 is fixedly installed with an "L"-shaped positioning block 20.
[0024] Among them, when the battery top cover plate is placed, it can be limited and fixed by two "L"-shaped positioning blocks 20. When the size of the battery top cover plate changes, the positioning block 20 and the limiting column 19 can be removed from the adjustment groove 18, and then the limiting column 19 is inserted into the corresponding adjustment groove 18 to complete the fixing of the positioning block 20, so that the battery top cover plates of different sizes can be limited.
[0025] Please refer to Figure 1 and Figure 2 , the protection mechanism 7 includes a protection plate 21, a sealing plate 22, a baffle 23, an adsorption sheet 25 and an iron sheet 26. The top of the working plate 1 is fixedly installed with a protection plate 21. A sealing plate 22 is slidably connected to the protection plate 21. One side of the sealing plate 22 is fixedly connected to a baffle 23. One side of the sealing plate 22 is fixedly connected to an adsorption sheet 25. One side of the inner wall of the protection plate 21 is fixedly connected to an iron sheet 26 adsorbed to the adsorption sheet 25. A push handle 24 is fixedly installed on the sealing plate 22.
[0026] Among them, when detecting the battery top cover plate, push the push handle 24 to make the sealing plate 22 move along the protection plate 21, and then make the adsorption sheet 25 adsorb to the iron sheet 25. Then, the protection plate 21 and the sealing plate 22 can be used for protection during the detection process to prevent potential safety hazards.
[0027] Please refer to Figure 1 , Figure 2 and Figure 3, sealing gaskets made of rubber material are provided at the top of the base 3 and the bottom of the pressing plate 17. An inclined chamfer is provided at the top of the positioning block 20. Among them, the chamfer provided at the top of the positioning block 20 facilitates the placement of the battery top cover plate between the two positioning blocks 20.
[0028] During use, first, place the battery top cover plate to be detected above the base 3. When placing it, the battery top cover plate is fixed by the limiting mechanism 4, and the provided limiting mechanism 4 can limit and fix battery top cover plates of different sizes, making the adaptability of the entire device wider. Subsequently, the pressing mechanism 6 presses and seals the battery top cover plate. Then, the vacuum pumping mechanism 5 can be used for vacuum detection, and during the detection process, the protection mechanism 6 can be used for protection to prevent potential safety hazards during the detection. Place the battery top cover plate to be detected on the base 3. Subsequently, the pressing mechanism 6 operates to press and fix the battery top cover plate. Then, the air pump 11 operates, and vacuum leak detection can be carried out by using the connecting pipe 12 and the vacuum tank 10. After the battery top cover plate is placed, start the driving cylinder 15 to operate. The driving cylinder pushes the moving plate 16 and the pressing plate 17 downward, so that the pressing plate 17 can contact the battery top cover plate, completing the pressing and positioning of the battery top cover plate. When placing the battery top cover plate, it can be limited and fixed by two "L"-shaped positioning blocks 20. When the size of the battery top cover plate changes, the positioning block 20 and the limit post 19 can be removed from the adjustment groove 18, and then the limit post 19 is inserted into the corresponding adjustment groove 18 to complete the fixation of the positioning block 20, so that battery top cover plates of different sizes can be limited. When detecting the battery top cover plate, push the push handle 24 to make the sealing plate 22 move along the protection plate 21. Then, make the adsorption sheet 25 adsorb with the iron sheet 25. Then, the protection plate 21 and the sealing plate 22 can be used for protection during the detection process to prevent potential safety hazards.
[0029] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A helium mass spectrometer leak detector for the top cover plate of a battery, comprising a working plate (1), an installation plate (2) is fixedly installed on the working plate (1), and a control box (9) is fixedly installed on one side of the top of the working plate (1) through a support frame (8), and it is characterized in that: A base (3) is fixedly installed on the top of the working plate (1). Above the mounting plate (2), there is a vacuum pumping mechanism (5) for pumping vacuum. On the base (3), there are two groups of limiting mechanisms (4) for limiting battery top covers of different sizes. On the base (3), there is a pressing mechanism (6) for limiting and pressing the battery top cover. On the top of the working plate (1) and outside the base (3), there is a protective mechanism (7).
2. The helium mass spectrometry leak detector for the battery top cover plate according to claim 1, wherein: The vacuum pumping mechanism (5) includes an air pump (11), a connecting pipe (12), and a vertical rod (13). A vacuum groove (10) is penetrated and opened on the working plate (1) and the base (3). The air pump (11) is fixedly installed on the mounting plate (2). The air pump (11) is fixedly communicated with the vacuum groove (10) through the connecting pipe (12).
3. A helium mass spectrometer leak detector for the top cover plate of a battery according to claim 2, characterized in that: The pressing mechanism (6) includes a vertical rod (13), a top plate (14), a driving cylinder (15), a moving plate (16), and a pressing plate (17). The top plate (14) is fixedly installed on the top of the base (3) through multiple groups of vertical rods (13). A moving plate (16) is slidably connected to the vertical rod (13). The driving cylinder (15) is fixedly installed on the top of the top plate (14). The output end of the driving cylinder (15) is fixedly connected to the moving plate (16). The pressing plate (17) is fixedly connected to the bottom of the moving plate (16).
4. A helium mass spectrometer leak detector for the top cover plate of a battery according to claim 3, characterized in that: The limiting mechanism (4) includes an adjustment groove (18), a limiting column (19), and a positioning block (20). Multiple groups of adjustment grooves (18) are penetrated and opened on the base (3). The limiting column (19) is inserted into the adjustment groove (18). The top of the limiting column (19) is fixedly installed with an "L"-shaped positioning block (20).
5. A helium mass spectrometer leak detector for the top cover plate of a battery according to claim 4, characterized in that: The protective mechanism (7) includes a protective plate (21), a sealing plate (22), a baffle (23), an adsorption sheet (25), and an iron sheet (26). The protective plate (21) is fixedly installed on the top of the working plate (1). The sealing plate (22) is slidably connected to the protective plate (21). One side of the sealing plate (22) is fixedly connected to the baffle (23). One side of the sealing plate (22) is fixedly connected to the adsorption sheet (25). One side of the inner wall of the protective plate (21) is fixedly connected to an iron sheet (26) that adsorbs the adsorption sheet (25). A push handle (24) is fixedly installed on the sealing plate (22).
6. The helium mass spectrometry leak detector for the battery top cover plate according to claim 5, wherein: Sealing gaskets made of rubber material are provided on the top of the base (3) and the bottom of the pressing plate (17). The top of the positioning block (20) is provided with an inclined chamfer.