New energy battery automatic airtightness helium detector

By using multi-layer sealing components and transmission devices in the helium detector, the problem of air leakage during battery extraction and helium charging is solved, and the sealing effect and service life of battery detection are improved.

CN222212133UActive Publication Date: 2024-12-20ZHENJIANG CHENGTAI AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN202420616924.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-28
Publication Date
2024-12-20
Estimated Expiration
2034-03-28

AI Technical Summary

Technical Problem

Existing helium detectors are prone to air leakage during battery extraction and helium charging, resulting in inaccurate detection, affecting the sealing effect of the battery material and reducing the use effect.

Method used

A new energy battery automatic airtight helium detection machine is designed, using multiple tightening components, movable worm rings, auxiliary sealing sleeves and limit motors, and the detection joints and battery materials are realized through transmission devices and sealing gaskets. Multi-layer sealing to reduce air leakage.

Benefits of technology

It effectively reduces air leakage during air extraction and helium filling, improves the sealing effect of battery detection, and extends the service life of battery materials.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222212133U_ABST
    Figure CN222212133U_ABST
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Abstract

The utility model discloses a new energy battery automatic air tightness helium detector comprising a helium detector body, the top of the helium detector body is fixedly connected with two lower detection die holders, the top of the helium detector body is fixedly connected with an assembling support, the top of the assembling support is fixedly connected with two assembling cylinders, and the assembling cylinders are fixedly connected with the upper detection die holders. The piston end of the assembly air cylinder penetrates through the assembly support and is fixedly connected with an upper detection die holder, and the top of the lower detection die holder penetrates through and is rotationally connected with an adjusting sleeve. According to the utility model, the radian adjusting block drives the adjusting push rod and the adjusting spring to move along the direction of the adjusting sleeve, and then the adjusting push rod pushes the adjusting sealing gasket to move, so that the joint of the adjusting sealing gasket and the battery material and the detection joint can be conveniently limited and sealed; therefore, the situation of leakage during evacuation or helium filling is reduced, and the using effect is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of helium detectors, in particular to an automatic air tightness helium detector for new energy batteries. Background Art

[0002] The biggest progress in the development of new energy field is the continuous improvement of power. Although there are many different development directions and various energy forms have become the objects of new energy research, pure electric vehicles are still the main force of new energy. In the future, the research of power batteries will be a focus. In the process of vacuuming and helium filling of new energy batteries, the batteries need to be tested by helium detectors. At the same time, helium detectors are mostly composed of vacuum pumps, solenoid valves, pressure sensors and pipelines. At the same time, in the process of battery testing, most of them can only simply press the seal tightly, resulting in leakage during vacuuming and helium filling, which requires the battery materials to be re-sealed, affecting the later detection, thereby reducing the use effect. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes an automatic airtightness helium test machine for new energy batteries.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automatic airtightness helium tester for new energy batteries, comprising a helium tester body, two lower detection mold bases are fixedly connected to the top of the helium tester body, an assembly bracket is fixedly connected to the top of the helium tester body, two assembly cylinders are fixedly connected to the top of the assembly bracket, the piston end of the assembly cylinder passes through the assembly bracket and is fixedly connected to the upper detection mold base, the top of the lower detection mold base passes through and is rotatably connected to an adjustment sleeve, and the outer side wall of the adjustment sleeve is connected to a plurality of tightening components;

[0005] The outer wall of the adjusting sleeve is rotatably sleeved with a movable volute ring, the top edge of the movable volute ring is fixedly connected with a movable support ring, the inner wall of the movable support ring is fixedly connected with a plurality of movable protrusions, and a connecting component is arranged between the front and rear sides of the lower detection mold base;

[0006] A plurality of detection joints are fixedly connected to the bottom of the upper detection mold base, and an auxiliary component is connected to the outer side wall of the detection joint.

[0007] As a further description of the above technical solution:

[0008] The tightening assembly includes an adjusting push rod that passes through the outer wall of the adjusting sleeve, and the two ends of the adjusting push rod are respectively fixedly connected with an adjusting curvature block and an adjusting sealing gasket, and the outer wall of the adjusting push rod is movably sleeved with an adjusting spring, and the two ends of the adjusting spring are respectively fixedly connected with the side wall of the adjusting curvature block and the side wall of the adjusting sleeve.

[0009] As a further description of the above technical solution:

[0010] The connecting component includes a connecting L-shaped block fixedly connected to the front and rear sides of the lower detection mold base, a connecting worm is rotatably connected between the two connecting L-shaped blocks, a plurality of movable worm rings are meshedly connected to the connecting worm, one end of the connecting worm passes through one of the connecting L-shaped blocks and is fixedly connected to a connecting transmission disk, and a movable component for adjusting the rotation of the connecting transmission disk is connected to the surface of the lower detection mold base.

[0011] As a further description of the above technical solution:

[0012] The moving component includes a moving L-shaped block fixedly connected to the surface of the lower detection mold base, the surface of the moving L-shaped block passes through and is rotatably connected to a moving shaft, both ends of the moving shaft are respectively fixedly connected to a moving transmission disk and a moving worm gear, the moving transmission disk is connected to the connecting transmission disk through a belt, and the surface of the lower detection mold base is fixedly connected to two limit blocks.

[0013] As a further description of the above technical solution:

[0014] The bottom of one of the limit blocks is fixedly connected to a limit motor, the output end of the limit motor is fixedly connected to a limit worm, the end of the limit worm passes through one of the limit blocks and is rotatably connected to the other limit block, and the limit worm is meshingly connected to the movable worm wheel.

[0015] As a further description of the above technical solution:

[0016] The auxiliary component comprises an auxiliary sealing sleeve movably sleeved on the outer side wall of the detection joint, the outer side wall of the detection joint is movably sleeved with an auxiliary spring, and the two ends of the auxiliary spring are respectively fixedly connected to the auxiliary spring side wall and the upper detection mold base side wall.

[0017] The utility model has the following beneficial effects:

[0018] The auxiliary component can be used to match the detection joint, the auxiliary sealing sleeve and the auxiliary spring, so that the auxiliary spring can give the auxiliary sealing sleeve a restoring force, so that the auxiliary sealing sleeve can seal the connection between the adjusting sleeve and the detection joint. The moving component can be used to match the moving L-shaped block, the moving shaft, the moving transmission disk, the moving worm gear, the limit block, the limit motor and the limit worm, so that the moving worm gear on the limit worm can be driven to rotate by the limit motor, so that the moving shaft and the moving transmission disk on the moving worm gear can be rotated, so that the moving transmission disk can also drive the connecting transmission disk to rotate through the belt. The connecting component can be used to match the connecting L-shaped block, the connecting worm and the connecting transmission disk. The multiple movable worm rings on the connecting worm are driven to rotate through the connecting transmission plate, and the movable worm ring also drives the movable support ring to rotate, so that the movable support ring also drives the movable protrusion to give a driving force to the corresponding adjusting arc block. The tightening component can be used to make the adjusting sleeve, the adjusting push rod, the adjusting arc block, the adjusting sealing gasket and the adjusting spring cooperate, so that the adjusting arc block drives the adjusting push rod and the adjusting spring to move along the direction on the adjusting sleeve, and then the adjusting push rod also pushes the adjusting sealing gasket to move, so as to facilitate the limit sealing of the connection between the adjusting sealing gasket and the battery material and the detection joint, so as to reduce leakage during evacuation or helium flushing, thereby improving the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of an automatic airtightness helium test machine for new energy batteries proposed in the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of an upper detection mold base and a lower detection mold base of an automatic airtightness helium test machine for new energy batteries proposed by the utility model;

[0021] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0022] Figure 4 for Figure 2 Schematic diagram of the enlarged structure at point B.

[0023] Legend:

[0024] 1. Helium detector body; 2. Lower detection die base; 3. Assembly bracket; 4. Assembly cylinder; 5. Upper detection die base; 6. Adjustment sleeve; 7. Adjustment push rod; 8. Adjustment arc block; 9. Adjustment seal; 10. Adjustment spring; 11. Movable volute ring; 12. Movable support ring; 13. Movable convex block; 14. Connecting L-shaped block; 15. Connecting worm; 16. Connecting transmission plate; 17. Moving L-shaped block; 18. Moving shaft; 19. Moving transmission plate; 20. Moving worm wheel; 21. Limit block; 22. Limit motor; 23. Limit worm; 24. Detection joint; 25. Auxiliary sealing sleeve; 26. Auxiliary spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-4 The utility model provides an automatic airtightness helium tester for new energy batteries, including a helium tester body 1, two lower detection mold bases 2 are fixedly connected to the top of the helium tester body 1, an assembly bracket 3 is fixedly connected to the top of the helium tester body 1, two assembly cylinders 4 are fixedly connected to the top of the assembly bracket 3, the piston end of the assembly cylinder 4 penetrates the assembly bracket 3 and is fixedly connected to the upper detection mold base 5, the top of the lower detection mold base 2 penetrates and is rotatably connected to an adjusting sleeve 6, and the outer side wall of the adjusting sleeve 6 is connected to a plurality of tightening components, which play a role in tightening the material through the tightening components, refer to Figure 2 and Figure 3 The tightening component includes an adjusting push rod 7 which is arranged through the outer wall of the adjusting sleeve 6. The two ends of the adjusting push rod 7 are respectively fixedly connected with an adjusting arc block 8 and an adjusting sealing gasket 9. The outer wall of the adjusting push rod 7 is movably sleeved with an adjusting spring 10. The two ends of the adjusting spring 10 are respectively fixedly connected with the side wall of the adjusting arc block 8 and the side wall of the adjusting sleeve 6, and the detection joint 24 is tightened and sealed through the adjusting sealing gasket 9.

[0027] The outer wall of the adjusting sleeve 6 is rotatably sleeved with a movable volute ring 11, the top edge of the movable volute ring 11 is fixedly connected with a movable support ring 12, and the inner wall of the movable support ring 12 is fixedly connected with a plurality of movable protrusions 13. A connecting component is arranged between the front and rear sides of the lower detection mold base 2, referring to Figure 3 and Figure 4The connecting component includes a connecting L-shaped block 14 fixedly connected to the front and rear sides of the lower detection mold base 2, a connecting worm 15 is rotatably connected between the two connecting L-shaped blocks 14, and multiple movable worm rings 11 are meshed and connected with the connecting worm 15. One end of the connecting worm 15 passes through one of the connecting L-shaped blocks 14 and is fixedly connected to a connecting transmission plate 16. By rotating the connecting worm 15, the connecting worm 15 drives multiple movable worm rings 11 to rotate.

[0028] The surface of the lower detection mold base 2 is connected to a movable component for adjusting the rotation of the connecting transmission disk 16, referring to Figure 4 The moving component includes a moving L-shaped block 17 fixedly connected to the surface of the lower detection mold base 2, and a moving shaft 18 is passed through and rotatably connected to the surface of the moving L-shaped block 17. The two ends of the moving shaft 18 are respectively fixedly connected to a moving transmission disk 19 and a moving worm gear 20. The moving transmission disk 19 is connected to the connecting transmission disk 16 through a belt. Two limit blocks 21 are fixedly connected to the surface of the lower detection mold base 2, and the bottom of one of the limit blocks 21 is fixedly connected to a limit motor 22, and the output end of the limit motor 22 is fixedly connected to a limit worm 23. The end of the limit worm 23 passes through one of the limit blocks 21 and is rotatably connected to the other limit block 21. The limit worm 23 is meshed with the moving worm gear 20, and the limit motor 22 drives the limit worm 23 to rotate.

[0029] The bottom of the upper detection mold base 5 is fixedly connected to a plurality of detection joints 24, and the outer side wall of the detection joint 24 is connected to an auxiliary component, refer to Figure 2 The auxiliary component includes an auxiliary sealing sleeve 25 movably sleeved on the outer side wall of the detection joint 24, and an auxiliary spring 26 is movably sleeved on the outer side wall of the detection joint 24. The two ends of the auxiliary spring 26 are respectively fixedly connected to the side wall of the auxiliary spring 26 and the side wall of the upper detection mold base 5, and the auxiliary sealing sleeve 25 plays a role in auxiliary sealing of the detection joint 24.

[0030] Working principle: When in use, first place the battery material to be tested inside the adjusting sleeve 6, then start the assembly cylinder 4, so that the assembly cylinder 4 pushes the upper detection mold base 5 to move, and then the detection joint 24 on the upper detection mold base 5 contacts its corresponding battery material, followed by the auxiliary sealing sleeve 25 on the detection joint 24 contacts the adjusting sleeve 6, so that the auxiliary sealing sleeve 25 drives the auxiliary spring 26 to move along the direction of the detection joint 24, and then the auxiliary spring 26 gives the auxiliary sealing sleeve 25 a restoring force, so that the auxiliary sealing sleeve 25 seals the connection between the adjusting sleeve 6 and the detection joint 24 to ensure the sealing effect.

[0031] Then the limit motor 22 is started, and the limit motor 22 drives the limit worm 23 to rotate. Since the limit worm 23 is meshed and connected with the mobile worm gear 20, the mobile shaft 18 and the mobile transmission disk 19 on the mobile worm gear 20 are driven to rotate. Since the mobile transmission disk 19 is installed with the connecting transmission disk 16 through a belt, the connecting worm 15 on the connecting transmission disk 16 is driven to rotate. Then the connecting worm 15 also drives multiple movable worm rings 11 to rotate, followed by the movable worm ring 11 also drives the movable support ring 12 to rotate, and then the movable support ring 12 also drives the movable protrusion 13 to give its corresponding adjustment arc block 8 a driving force, and then the adjustment arc block 8 also drives the adjustment push rod 7 and the adjustment spring 10 to move along the direction on the adjustment sleeve 6, and then the adjustment push rod 7 also pushes the adjustment sealing gasket 9 to move, so that the connection between the adjustment sealing gasket 9 and the battery material and the detection joint 24 is limited and sealed to ensure a further sealing effect.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A new energy battery automatic air tightness helium tester, comprising a helium tester body (1), characterized in that: The top of the helium detector body (1) is fixedly connected to two lower detection mold bases (2), the top of the helium detector body (1) is fixedly connected to an assembly bracket (3), the top of the assembly bracket (3) is fixedly connected to two assembly cylinders (4), the piston end of the assembly cylinder (4) passes through the assembly bracket (3) and is fixedly connected to the upper detection mold base (5), the top of the lower detection mold base (2) passes through and is rotatably connected to an adjustment sleeve (6), and the outer side wall of the adjustment sleeve (6) is connected to a plurality of tightening components; The outer wall of the adjusting sleeve (6) is rotatably sleeved with a movable volute ring (11), the top edge of the movable volute ring (11) is fixedly connected with a movable support ring (12), the inner wall of the movable support ring (12) is fixedly connected with a plurality of movable protrusions (13), and a connecting component is provided between the front and rear sides of the lower detection mold base (2); A plurality of detection joints (24) are fixedly connected to the bottom of the upper detection mold base (5), and an auxiliary component is connected to the outer side wall of the detection joint (24).

2. According to claim 1, the automatic airtightness helium test machine for new energy batteries is characterized by: The tightening assembly comprises an adjusting push rod (7) penetrating the outer wall of the adjusting sleeve (6), the two ends of the adjusting push rod (7) being respectively fixedly connected with an adjusting radian block (8) and an adjusting sealing gasket (9), the outer wall of the adjusting push rod (7) being movably sleeved with an adjusting spring (10), the two ends of the adjusting spring (10) being respectively fixedly connected with the side wall of the adjusting radian block (8) and the side wall of the adjusting sleeve (6).

3. The automatic airtightness helium tester for new energy batteries according to claim 1 is characterized in that: The connecting assembly comprises a connecting L-shaped block (14) fixedly connected to the front and rear sides of the lower detection die base (2); a connecting worm (15) is rotatably connected between the two connecting L-shaped blocks (14); a plurality of movable worm rings (11) are all meshedly connected to the connecting worm (15); one end of the connecting worm (15) passes through one of the connecting L-shaped blocks (14) and is fixedly connected to a connecting transmission disk (16); and a movable assembly for adjusting the rotation of the connecting transmission disk (16) is connected to the surface of the lower detection die base (2).

4. The automatic airtightness helium tester for new energy batteries according to claim 3 is characterized in that: The moving assembly comprises a moving L-shaped block (17) fixedly connected to the surface of the lower detection mold base (2); a moving shaft (18) passes through the surface of the moving L-shaped block (17) and is rotatably connected thereto; two ends of the moving shaft (18) are respectively fixedly connected to a moving transmission disk (19) and a moving worm gear (20); the moving transmission disk (19) is transmission-connected to a connecting transmission disk (16) via a belt; and two limit blocks (21) are fixedly connected to the surface of the lower detection mold base (2).

5. The automatic airtightness helium tester for new energy batteries according to claim 4 is characterized in that: The bottom of one of the limit blocks (21) is fixedly connected to a limit motor (22), the output end of the limit motor (22) is fixedly connected to a limit worm (23), the end of the limit worm (23) passes through one of the limit blocks (21) and is rotatably connected to the other limit block (21), and the limit worm (23) is meshingly connected to the moving worm wheel (20).

6. The automatic airtightness helium tester for new energy batteries according to claim 1 is characterized in that: The auxiliary component comprises an auxiliary sealing sleeve (25) movably sleeved on the outer wall of the detection joint (24); the outer wall of the detection joint (24) is movably sleeved with an auxiliary spring (26); and the two ends of the auxiliary spring (26) are respectively fixedly connected to the side wall of the auxiliary spring (26) and the side wall of the upper detection mold base (5).

Citation Information

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