CN206095541U - A detection tool for detecting battery top cap gas tightness - Google Patents
A detection tool for detecting battery top cap gas tightness Download PDFInfo
- Publication number
- CN206095541U CN206095541U CN201620884773.5U CN201620884773U CN206095541U CN 206095541 U CN206095541 U CN 206095541U CN 201620884773 U CN201620884773 U CN 201620884773U CN 206095541 U CN206095541 U CN 206095541U
- Authority
- CN
- China
- Prior art keywords
- battery cap
- rubber cushion
- soft rubber
- top cap
- detect
- 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.)
- Expired - Fee Related
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to a detection tool's field discloses a detection tool for detecting battery top cap gas tightness, including the detection case, be formed with on the detection case and be used for placing the terminal surface of placing of waiting to detect the battery top cap, be equipped with the three appearance chamber of aliging with two electrode slices and the rupture disk of battery top cap that corresponds respectively in the detection case, hold the chamber and run through and place the terminal surface, form the upper end opening, the lateral wall of detection case is equipped with and three the correspondence respectively just is used for examining the aspirating hole that the appearance communicates with external helium with three appearance chamber intercommunication. Compared with the prior art, the battery top cap will be waited to detect and the terminal surface of placing at the detection case will be placed for two electrode slices of battery top cap and rupture disk correspond respectively and cover the three appearance chamber in the test box, push down through the mould and cover the battery top cap, then pour into the helium toward the battery top cap on into, and helium is examined the appearance and is bled from three appearances intracavity through the aspirating hole and carry out helium gas detection and survey, thus the gas tightness of detection battery top cap.
Description
Technical field
The utility model is related to battery cap field, in particular for detecting the bubble-tight detection tool of battery cap.
Background technology
In the production process of battery, the air-tightness of battery is checked after chemical conversion, then want high pressure to detect, finally to be entered
Row checking of great current, detects respectively the overload performance of battery cap, the insulation of battery electrolytic cell and checking system, so as to ensure
Quality in battery production.
The air-tightness of battery cap is bad, and battery has leakage danger, and battery can produce very serious pollution once leaking,
Most commonly leaded and strong acid electrolyte can permeate the ground and cause underground water pollution.Battery in process of production, can be to electricity
The air-tightness of pond top cover is detected that, primarily to detection battery weld seam sealing, it is underproof that air-tightness is eliminated out in screening
Battery cap.
But the airtight test of existing battery cap, it is by the way that pernicious gas, air-tightness can be produced when chemical conversion
Good, pernicious gas can drain along air inducing pipeline, this detection method one be it is dangerous, two be because testing result is inaccurate,
Often there is flase drop spec battery top cover to cause to waste, it is also possible to so that unqualified battery cap flows into subsequent processing, from
And enter market.
Utility model content
The purpose of this utility model is to provide for detecting the bubble-tight detection tool of battery cap, it is intended to solved existing
The inaccurate problem of battery cap air-leakage test in technology.
The utility model is achieved in that for detecting the bubble-tight detection tool of battery cap, including detection case, institute
The placement end face being formed with detection case for placing battery cap to be detected is stated, three is provided with the detection case and is corresponded to respectively
The cavity volume alignd with two electrode slices and rupture disk of battery cap, the cavity volume runs through the placement end face, forms upper end and opens
Mouthful, the side wall of the detection case is provided with three and corresponds to the pumping connected with three cavity volumes and for connecting with extraneous helium inspection instrument respectively
Hole.
Further, three cavity volumes include two electrode slice cavity volumes and rupture disk cavity volume, the rupture disk cavity volume
Between two electrode slice cavity volumes.
Further, the placement end face forms recessed groove towards lower recess, fills out to be provided with the recessed groove and supplies battery cap
The soft rubber cushion of placement, be provided with the soft rubber cushion three respectively correspond to it is corresponding and right with the upper end open size of three cavity volumes
The through hole of neat arrangement.
Further, the upper surface flush arrangement of the upper surface of the soft rubber cushion and the detection case.
Further, the recessed groove and the soft rubber cushion are in cubic shape, and set respectively at four angles of the recessed groove
There is corner locating slot, corner locating piece is provided with four angles of the soft rubber cushion, the corner locating piece is embedded in the corner
In locating slot.
Further, the side wall middle part of the soft rubber cushion is convexly equipped with outwardly middle part locating piece, in the side wall of the recessed groove
Towards middle part locating slot is externally provided with, the middle part locating piece is embedded in the middle part locating slot.
Further, the cannelure of cavity volume arrangement, the lower surface of the soft rubber cushion are provided around in the periphery of the cavity volume
Annular bar is extended with down, and the annular bar is arranged around through hole periphery, and is embedded in the cannelure.
Compared with prior art, battery cap to be detected is placed on the placement end face of detection case so that battery cap
Two electrode slices and rupture disk correspond to respectively three cavity volumes covered in test box, are pushed by mould and cover battery top
Lid, then injects helium toward on battery cap, and helium inspection instrument is evacuated from three cavity volumes by aspirating hole and carries out helium detection, so as to
The air-tightness of detection battery cap, helium inspection instrument is not detected by helium and then shows that the air-tightness of the battery cap of detection is good, conversely,
Then air-tightness is bad, and this detection tool can accurately detect battery cap air-tightness.
Description of the drawings
Fig. 1 is the structural representation for detecting the bubble-tight detection tool of battery cap that the utility model is provided；
Fig. 2 is the schematic diagram for detecting the bubble-tight detection tool of battery cap that the utility model is provided.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
Realization of the present utility model is described in detail below in conjunction with specific embodiment.
With reference to shown in Fig. 1 and Fig. 2, for the utility model preferred embodiment is provided.
The utility model provide for detecting the bubble-tight detection tool of battery cap, battery cap can be applied to
Air-leakage test, but it is not limited only to the air-leakage test of battery cap.
For detecting the bubble-tight detection tool of battery cap, including detection case 11, it is formed with detection case 11 for putting
Put the placement end face of battery cap to be detected, be provided with detection case 11 three correspond to respectively with two electrode slices of battery cap and
The cavity volume 111 of rupture disk alignment, cavity volume 111 forms upper end open through end face is placed, and the side wall of detection case 11 is provided with three points
Dui Ying not connect with three cavity volumes 111 and for examining the aspirating hole 113 that instrument is connected with extraneous helium.
Specifically, three cavity volumes 111 correspond to respectively two electrode slices of alignment and rupture disk, and three cavity volumes 111 are through placement
End face, forms upper end open, battery cap to be detected is placed on the placement end face of detection case 11 so that battery cap
Two electrode slices and rupture disk correspond to respectively three cavity volumes 111 covered in test box, are pushed by mould and cover battery
Top cover, and compress battery cap so that the sealing space formed between battery cap and mould, then toward battery cap and mould
Between sealing space in injection helium, by aspirating hole 113, the pumping in the cavity volume 111 carries out helium detection to helium inspection instrument, so as to examine
Survey the air-tightness of battery cap.
Because battery cap covers measurement jig, mould compresses battery cap so that battery cap is respectively formed up and down
Sealing space, if the battery cap air-tightness of test is good, the helium on battery cap top will not be gone under battery cap
Portion, the pumping detection from cavity volume 111 by aspirating hole 113, helium inspection instrument can't detect helium；Conversely, battery cap air-tightness is not
Good, the helium on battery cap top can go to the cavity volume 111 of bottom, and helium inspection instrument can be with by during the pumping detection of aspirating hole 113, then
Detecting has helium in cavity volume 111, this air-tightness that can accurately detect battery cap with reference to helium inspection instrument by measurement jig,
So that in battery cap is manufactured, neither flase drop spec battery top cover causes to waste, and also avoids unqualified battery cap stream
Enter subsequent processing, into market.
Three cavity volumes 111 in detection case 11 include two electrode slice cavity volumes 111 and rupture disk cavity volume 111, rupture disk
Cavity volume 111 is located between two electrode slice cavity volumes 111, because the bubble-tight detection of battery cap is primarily directed to and inside battery
The cell piece of connection and explosion panel region, so, detect battery top by detecting the helium that whether there is leakage in cavity volume 111
The air-tightness of lid, can obtain accurate testing result.
In the present embodiment, end face is placed towards lower recess, forms recessed groove 112, fill out in recessed groove 112 and be provided with soft rubber cushion 12,
For placing for battery cap, battery cap is placed in soft rubber cushion 12 soft rubber cushion 12, and when mould is pushed, soft rubber cushion 12 can
To have buffering to battery cap, so as to avoiding battery cap and placing the hard contact of end face so that battery cap deforms.
Specifically, three through holes 121 are provided with soft rubber cushion 12, three through holes 121 correspond to respectively three in detection case 11
Cavity volume 111, and three through holes 121 are corresponding and alignment with three upper end open sizes of cavity volume 111, and three through holes
121 connect with three cavity volumes 111, and in detection process, battery cap is placed in soft rubber cushion 12, two on battery cap electricity
Pole piece and rupture disk correspondence cover three through holes 121 in soft rubber cushion 12.
The upper surface of the soft rubber cushion 12 of placing battery top cover and the upper surface flush arrangement of detection case 11 so that soft rubber cushion 12
After being placed in the groove of detection case 11, battery cap is placed on a smooth placed side, so, in detection process, electricity
Pond top cover will not be produced and rocked so as to affect the accuracy of testing result.
In the present embodiment, recessed groove 112 and soft rubber cushion 12 are all arranged in cubic shape, soft rubber cushion 12 can be caused preferably
In being placed on recessed groove 112, also allow for placing the battery cap of cubic shape, at four angles of recessed groove 112 angle is respectively equipped with
Fall locating slot 115, and at corresponding four angles of soft rubber cushion 12 corner locating piece 123 is provided with, and soft rubber cushion 12 is placed on recessed groove
When in 112 so that corner locating piece 123 is embedded in corner locating slot 115, so as to soft rubber cushion 12 is fixed on into recessed groove 112
In, it is to avoid soft rubber cushion 12 produces movement in detection process, affects the accuracy of testing result.
Similarly, middle part locating piece 124 is convexly equipped with outwardly in the middle part of the side wall of soft rubber cushion 12, in the side wall of recessed groove 112
Middle court is externally provided with middle part locating slot 116, when soft rubber cushion 12 is placed in recessed groove 112 so that during middle part locating piece 124 is embedded in
In portion's locating slot 116, realize that soft rubber cushion 12 is fixed in recessed groove 112.
The cannelure 114 of the arrangement of cavity volume 111 is provided around in three peripheries of cavity volume 111 of test box, under soft rubber cushion 12
End face is extended with down annular bar 122, and annular bar 122 is arranged around the periphery of through hole 121, and soft rubber cushion 12 is placed on into recessed groove
When in 112, annular bar 122 is embedded in the cannelure 114 in test box so that soft rubber cushion 12 can be with self-retaining in test box
In, while it is also ensured that air-tightness.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
1. it is used to detect the bubble-tight detection tool of battery cap, it is characterised in that including detection case, formed on the detection case
There is the placement end face for placing battery cap to be detected, three two corresponded to respectively with battery cap are provided with the detection case
Individual electrode slice and the cavity volume of rupture disk alignment, the cavity volume runs through the placement end face, forms upper end open, the detection case
Side wall is provided with three and corresponds to the aspirating hole connected with three cavity volumes and for connecting with extraneous helium inspection instrument respectively.
2. it is as claimed in claim 1 to be used to detect the bubble-tight detection tool of battery cap, it is characterised in that three appearances
Chamber includes two electrode slice cavity volumes and rupture disk cavity volume, and the rupture disk cavity volume is located between two electrode slice cavity volumes.
3. it is as claimed in claim 1 to be used to detect the bubble-tight detection tool of battery cap, it is characterised in that the placement end
Lower recess is faced, recessed groove is formed, is filled out in the recessed groove and is provided with the soft rubber cushion placed for battery cap, set in the soft rubber cushion
There are three to correspond to through hole corresponding with the upper end open size of three cavity volumes and alignment respectively.
4. it is as claimed in claim 3 to be used to detect the bubble-tight detection tool of battery cap, it is characterised in that the soft rubber cushion
Upper surface and the detection case upper surface flush arrangement.
5. it is as claimed in claim 4 to be used to detect the bubble-tight detection tool of battery cap, it is characterised in that the recessed groove
And the soft rubber cushion is in cubic shape, and corner locating slot is respectively equipped with four angles of the recessed groove, the four of the soft rubber cushion
Corner locating piece is provided with individual angle, the corner locating piece is embedded in the corner locating slot.
6. it is as claimed in claim 4 to be used to detect the bubble-tight detection tool of battery cap, it is characterised in that the soft rubber cushion
Side wall middle part be convexly equipped with middle part locating piece outwardly, towards being externally provided with middle part locating slot, the middle part in the side wall of the recessed groove
Locating piece is embedded in the middle part locating slot.
7. it is as claimed in claim 3 to be used to detect the bubble-tight detection tool of battery cap, it is characterised in that the cavity volume
The cannelure of cavity volume arrangement is provided around in periphery, the lower end of the soft rubber cushion faces down and is extended with annular bar, the annular bar
Around through hole periphery arrangement, and it is embedded in the cannelure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620884773.5U CN206095541U (en) | 2016-08-15 | 2016-08-15 | A detection tool for detecting battery top cap gas tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620884773.5U CN206095541U (en) | 2016-08-15 | 2016-08-15 | A detection tool for detecting battery top cap gas tightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206095541U true CN206095541U (en) | 2017-04-12 |
Family
ID=58468784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620884773.5U Expired - Fee Related CN206095541U (en) | 2016-08-15 | 2016-08-15 | A detection tool for detecting battery top cap gas tightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206095541U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515080A (en) * | 2017-09-26 | 2017-12-26 | 江苏杰士德精密工业有限公司 | Watertightness detection tool |
| CN108444652A (en) * | 2018-06-25 | 2018-08-24 | 深圳市瑞德丰精密制造有限公司 | A kind of universal helium convenient for being detected to different product examines equipment |
| CN110492024A (en) * | 2019-08-27 | 2019-11-22 | 宁德阿李科技有限公司 | A kind of battery cap processing method |
| CN112701391A (en) * | 2019-10-21 | 2021-04-23 | 比亚迪股份有限公司 | Battery seal assembly, battery module and car |
| CN113916460A (en) * | 2021-09-27 | 2022-01-11 | 东风时代(武汉)电池系统有限公司 | Device and method for detecting welding quality of battery pole |
| CN113945334A (en) * | 2021-09-23 | 2022-01-18 | 安徽润象新材料科技有限公司 | Air tightness detection device for composite environment-friendly carriage processing |
| CN113945334B (en) * | 2021-09-23 | 2024-06-11 | 南京润聚泽通贸易有限公司 | Composite environment-friendly air tightness detection equipment for carriage processing |
-
2016
- 2016-08-15 CN CN201620884773.5U patent/CN206095541U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515080A (en) * | 2017-09-26 | 2017-12-26 | 江苏杰士德精密工业有限公司 | Watertightness detection tool |
| CN107515080B (en) * | 2017-09-26 | 2024-02-23 | 江苏杰士德精密工业有限公司 | Water tightness detection jig |
| CN108444652A (en) * | 2018-06-25 | 2018-08-24 | 深圳市瑞德丰精密制造有限公司 | A kind of universal helium convenient for being detected to different product examines equipment |
| CN108444652B (en) * | 2018-06-25 | 2023-07-25 | 常州瑞德丰精密技术有限公司 | Universal helium detection equipment convenient for detecting different products |
| CN110492024A (en) * | 2019-08-27 | 2019-11-22 | 宁德阿李科技有限公司 | A kind of battery cap processing method |
| CN112701391A (en) * | 2019-10-21 | 2021-04-23 | 比亚迪股份有限公司 | Battery seal assembly, battery module and car |
| CN112701391B (en) * | 2019-10-21 | 2021-11-12 | 比亚迪股份有限公司 | Battery module and automobile |
| CN113945334A (en) * | 2021-09-23 | 2022-01-18 | 安徽润象新材料科技有限公司 | Air tightness detection device for composite environment-friendly carriage processing |
| CN113945334B (en) * | 2021-09-23 | 2024-06-11 | 南京润聚泽通贸易有限公司 | Composite environment-friendly air tightness detection equipment for carriage processing |
| CN113916460A (en) * | 2021-09-27 | 2022-01-11 | 东风时代(武汉)电池系统有限公司 | Device and method for detecting welding quality of battery pole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20190815 |