CN107271108A - A kind of explosion-proof valve sealing means of lithium battery casing air tightness test - Google Patents
A kind of explosion-proof valve sealing means of lithium battery casing air tightness test Download PDFInfo
- Publication number
- CN107271108A CN107271108A CN201710618267.0A CN201710618267A CN107271108A CN 107271108 A CN107271108 A CN 107271108A CN 201710618267 A CN201710618267 A CN 201710618267A CN 107271108 A CN107271108 A CN 107271108A
- Authority
- CN
- China
- Prior art keywords
- explosion
- plate
- proof valve
- lithium battery
- air tightness
- 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.)
- Granted
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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
-
- 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
Abstract
The invention discloses a kind of explosion-proof valve sealing means of lithium battery casing air tightness test, including box plate, it is fixedly arranged on the explosion-proof valve on box plate top and the sealing device being arranged above explosion-proof valve, the pressing plate that the sealing device includes support base, is fixedly arranged on the fixed plate on support base top and moved up and down positioned at fixed plate side, present invention dismounting is quick and convenient, by with the use of pressing plate, pressing device and mobile device, realize the fast sealing to explosion-proof valve, good sealing effect, improve the bearing capacity and testing efficiency during test, it is ensured that the accuracy of test；Dismounting is facilitated by the elastomeric element of setting, labor strength is alleviated, it is swift to operate, it is time saving and energy saving；Simple in construction, manufacturing cost is low, can repeatedly use, reduce further use cost, be conducive to large-scale popularization to use.
Description
Technical field
The present invention relates to technical field of lithium batteries, specifically a kind of lithium battery casing air tightness test explosion-proof valve sealing dress
Put.
Background technology
Lithium battery, is that a class is negative material, the battery using non-aqueous electrolytic solution by lithium metal or lithium alloy.Lithium electricity
Pond module refers to be combined through series-parallel system by lithium battery, and adds after protection circuit plate and shell, the combination that can directly power
Body.
Lithium battery casing is in process of production, it is necessary to survey its airtight implementations to lithium battery box physical examination, to judge lithium battery
The water proof and dust proof ability of casing, needs that box house pressure is inflated and tested to box house, and then reach test box during detection
It is equipped with the purpose of body air-tightness, but lithium battery casing side above explosion-proof valve gear, explosion-proof valve gear and is provided with multiple pores, carefully
Kong Nengyu outside airs circulate, therefore, when carrying out air-leakage test to casing, it is necessary to effectively be sealed to explosion-proof valve,
It can guarantee that the accuracy of test.
In the prior art, typically all wound and sealed by people's adhesive tape and fluid sealant, wasted time and energy, aggravated workman
Labor intensity, add cost of labor, testing efficiency underground.Meanwhile, sealed using this mode, sealed effect is poor,
Pressure larger during test can not be born, test effect is had a strong impact on.
The content of the invention
It is above-mentioned to solve it is an object of the invention to provide a kind of explosion-proof valve sealing means of lithium battery casing air tightness test
The problem of being proposed in background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of explosion-proof valve sealing means of lithium battery casing air tightness test, including box plate, it is fixedly arranged on the explosion-proof of box plate top
Valve and the sealing device being arranged above explosion-proof valve, the sealing device include support base, are fixedly arranged on the fixation on support base top
Plate and the pressing plate moved up and down positioned at fixed plate side, the pressing plate include the sealing plate being arranged above explosion-proof valve and are fixedly arranged on
It is installed with the movable plate on sealing plate top, the sealing plate through fixed plate and mobile device moving up and down, the shifting
Dynamic plate top is installed with pressing device.
It is used as further scheme of the invention：The support base bottom is U-shaped support deck, both sides to be fixedly mounted on
Support the waist type chute offered in the supporting plate on deck, the supporting plate on vertical direction.
It is used as further scheme of the invention：The sealing plate bottom offers the square groove coordinated with explosion-proof valve, two
Side is installed with the inside of the projection moved up and down in waist type chute, the square groove and posts square sealing gasket.
It is used as further scheme of the invention：The fixed plate two ends are mounted by means of bolts on supporting plate top, Gu
The U-type groove for installing clamp is offered in fixed board and positioned at U-type groove both sides and through the through hole for having mobile device.
It is used as further scheme of the invention：The mobile device is fixedly arranged on close including the bearing in through hole, one end
Mobile bar and the baffle plate for being fixedly arranged on mobile bar one end on shrouding.
It is used as further scheme of the invention：The pressing device includes being located at the pressed seat of movable plate side, is fixedly arranged on
The pressure strip of pressed seat side, the rotating shaft mounted in pressure strip top, the handle in the middle part of rotating shaft and the drawing on the outside of handle
Bar.
It is used as further scheme of the invention：Provided with the elastic portion being enclosed on the outside of mobile bar between the baffle plate and bearing
Part.
It is used as further scheme of the invention：The clamp is the U-shaped hardened structure that bottom offers arc shaped groove.
It is used as further scheme of the invention：The pull bar is that two ends are respectively offered under one section of externally threaded U-shaped bar, pull bar
Portion is enclosed in the arc shaped groove of clamp bottom.
It is used as further scheme of the invention：The pressure strip side is installed with rotates the side plate being connected with handle one end.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention dismounting it is quick and convenient, by with the use of pressure
Plate, pressing device and mobile device, realize the fast sealing to explosion-proof valve, and good sealing effect improves pressure-bearing energy during test
Power and testing efficiency, it is ensured that the accuracy of test；Dismounting is facilitated by the elastomeric element of setting, workman's work is alleviated strong
Degree, it is swift to operate, it is time saving and energy saving；Simple in construction, manufacturing cost is low, can repeatedly use, reduce further use cost,
Large-scale popularization is conducive to use.
Brief description of the drawings
Fig. 1 is structure chart of the invention.
Fig. 2 is sealing device structure figure of the invention.
Fig. 3 is sealing plate structure figure of the invention.
Fig. 4 is box plate of the invention and anti-explosion valve structure figure.
Fig. 5 is fixed plate structure figure of the invention.
In figure：1- box plates, 2- explosion-proof valves, 3- support bases, 31- supports deck, 32- supporting plates, 321- waist types chute, 4-
Fixed plate, 41-U type grooves, 42- through holes, 5- pressing plates, 51- sealing plates, 511- square grooves, 512- projections, 52- movable plates, 6- cards
Plate, 7- mobile devices, 71- bearings, 72- mobile bars, 73- baffle plates, 74- elastomeric elements, 8- pressing devices, 81- pressed seats, 82-
Pressure strip, 83- rotating shafts, 84- handles, 85- pull bars, 9- side plates.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer in Fig. 1-5, the embodiment of the present invention, a kind of explosion-proof valve sealing means of lithium battery casing air tightness test, wrap
The sealing device for include box plate 1, being fixedly arranged on the explosion-proof valve 2 on the top of box plate 1 and be arranged at the top of explosion-proof valve 2, the sealing dress
The pressing plate 5 put including support base 3, being fixedly arranged on the fixed plate 4 on the top of support base 3 and moved up and down positioned at the side of fixed plate 4, it is described
The bottom of support base 3 is that U-shaped support deck 31, both sides are the supporting plate 32 being fixedly mounted on support deck 31, the support
The waist type chute 321 on vertical direction is offered on plate 32, the two ends of fixed plate 4 are mounted by means of bolts on supporting plate 32
The U-type groove 41 for installing clamp 6 is offered in top, fixed plate 4 and positioned at the both sides of U-type groove 41 and through there is mobile device 7
Through hole 42, the clamp 6 is that bottom offers the U-shaped hardened structure of arc shaped groove 61；The pressing plate 5 includes being arranged at explosion-proof valve 2
It is installed with the sealing plate 51 of top and the movable plate 52 for being fixedly arranged on the top of sealing plate 51, the sealing plate 51 through fixed plate 4
And mobile device 7 moving up and down, the bottom of sealing plate 51 offer with explosion-proof valve 2 coordinate square groove 511, both sides it is fixed
There is the projection 512 moved up and down in waist type chute 321, square sealing gasket is posted in the inner side of square groove 511, described
Mobile bar 72 and be fixedly arranged on movement that mobile device 7 is fixedly arranged on sealing plate 51 including the bearing 71 in through hole 42, one end
The baffle plate 73 of the one end of bar 72, it is described provided with the elastomeric element 74 for being enclosed on the outside of mobile bar 72 between the baffle plate 73 and bearing 71
The top of movable plate 52 is installed with pressing device 8, and the pressing device 8 includes pressed seat 81 positioned at the side of movable plate 52, fixed
Pressure strip 82 in the side of pressed seat 81, the rotating shaft 83 mounted in the top of pressure strip 82, the handle 84 mounted in the middle part of rotating shaft 83 and position
Pull bar 85 in the outside of handle 84, the side of pressure strip 82 is installed with rotates the side plate 9 being connected with the one end of handle 84, described to draw
Bar 85 is that two ends respectively offer one section of externally threaded U-shaped bar, and the bottom of pull bar 85 is enclosed in the arc shaped groove of the bottom of clamp 6.
The present invention is simple in construction, easy to operate, in use, first by U-shaped support deck 31 from being fixedly arranged on box plate 1
The side of explosion-proof valve 2 in portion is caught in, and the both sides of explosion-proof valve 2 are arranged with protuberance, when support base 3 is caught in, and are fixedly arranged on support base 3
The supporting plate 32 of both sides is located on the outside of protuberance respectively, and sealing plate 51 is in the surface of explosion-proof valve 2.
During sealing, the bottom of pull bar 85 of pressing device 8 is stuck in the arc shaped groove that the bottom of clamp 6 is opened up, pull bar 85 is two
End offers one section of externally threaded U-shaped bar, and the two ends of pull bar 85 are through the two ends of rotating shaft 83, positioned at pull bar 85 of the rotating shaft about 83
On be combined with retainer ring, handle 84 is slowly rotated up, the one end of handle 84 is rotated with being fixedly arranged on the side plate 9 of the side of pressure strip 82
Connection, when handle 84 is rotated up, drives pull bar 85 by upward pulling force effect, is fixedly arranged on the side plate 9 of the side of pressure strip 82
Then acted on pressure strip 82 by downward pressure, the side of pressure strip 82 is fixedly arranged on the pressed seat 81 positioned at the side of movable plate 52
On, side plate 9 and pressure strip 82 drive movable plate 52 to be moved down with the sealing plate 51 for being fixedly arranged on the bottom of movable plate 52, sealing plate 51
The projection 512 that both sides are provided with is slided up and down in the waist type chute 321 that the vertical direction of supporting plate 32 is opened up, the bottom of sealing plate 51
The square groove 511 coordinated with explosion-proof valve 2 is offered, the projection that the width x width of square groove 511 is more than the top of explosion-proof valve 2 is wide
Degree, the inner side of square groove 511 is fitted with square sealing gasket, and sealing plate 51 moves down along vertical direction and slowly compresses explosion-proof valve
2, form self-locking when handle 84 rotates 180 degree, sealing plate 51 is pressed in the upper surface of explosion-proof valve 2, form sealing good
Sealing space, improves bearing capacity.
After good seal, the air tightness test of casing can be carried out, it is to be tested after the completion of, release handle 84, baffle plate 73 and bearing
The elastomeric element 74 that the outside of mobile bar 72 is enclosed between 71 is resetted, and mobile bar 72 is moved up, and the bottom of mobile bar 72 is consolidated with sealing plate 51
Fixed connection, mobile bar 72 drives sealing plate 51 to move up, and sealing device is removed from the side of box plate 1.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (10)
1. a kind of explosion-proof valve sealing means of lithium battery casing air tightness test, including box plate（1）, be fixedly arranged on box plate（1）On
The explosion-proof valve in portion（2）Be arranged at explosion-proof valve（2）The sealing device of top, it is characterised in that：The sealing device includes support
Seat（3）, be fixedly arranged on support base（3）The fixed plate on top（4）With positioned at fixed plate（4）The pressing plate that side is moved up and down（5）, it is described
Pressing plate（5）Including being arranged at explosion-proof valve（2）The sealing plate of top（51）Be fixedly arranged on sealing plate（51）The movable plate on top（52）,
The sealing plate（51）On be installed with through fixed plate（4）And mobile device moving up and down（7）, the movable plate（52）On
Portion is installed with pressing device（8）.
2. the explosion-proof valve sealing means of lithium battery casing air tightness test according to claim 1, it is characterised in that：The branch
Support seat（3）Bottom is U-shaped support deck（31）, both sides is are fixedly mounted on support deck（31）On supporting plate（32）, institute
State supporting plate（32）On offer waist type chute on vertical direction（321）.
3. the explosion-proof valve sealing means of lithium battery casing air tightness test according to claim 1, it is characterised in that：It is described close
Shrouding（51）Bottom is offered and explosion-proof valve（2）The square groove of cooperation（511）, both sides are installed with mounted in waist type chute（321）
The projection inside moved up and down（512）, the square groove（511）Post square sealing gasket in inner side.
4. the explosion-proof valve sealing means of lithium battery casing air tightness test according to claim 3, it is characterised in that：It is described solid
Fixed board（4）Two ends are mounted by means of bolts on supporting plate（32）Top, fixed plate（4）On offer for installing clamp（6）
U-type groove（41）With positioned at U-type groove（41）Both sides and through there is mobile device（7）Through hole（42）.
5. the explosion-proof valve sealing means of lithium battery casing air tightness test according to claim 1, it is characterised in that：It is described to move
Dynamic device（7）Including mounted in through hole（42）Interior bearing（71）, one end be fixedly arranged on sealing plate（51）On mobile bar（72）With it is solid
Located at mobile bar（72）The baffle plate of one end（73）.
6. the explosion-proof valve sealing means of lithium battery casing air tightness test according to claim 1, it is characterised in that：The pressure
Tight device（8）Including positioned at movable plate（52）The pressed seat of side（81）, be fixedly arranged on pressed seat（81）The pressure strip of side（82）、
Mounted in pressure strip（82）The rotating shaft on top（83）, mounted in rotating shaft（83）The handle at middle part（84）With positioned at handle（84）The drawing in outside
Bar（85）.
7. the explosion-proof valve sealing means of lithium battery casing air tightness test according to claim 5, it is characterised in that：The gear
Plate（73）And bearing（71）Between provided with being enclosed on mobile bar（72）The elastomeric element in outside（74）.
8. the explosion-proof valve sealing means of lithium battery casing air tightness test according to claim 4, it is characterised in that：The card
Plate（6）The U-shaped hardened structure of arc shaped groove is offered for bottom.
9. the explosion-proof valve sealing means of lithium battery casing air tightness test according to claim 6, it is characterised in that：It is described to draw
Bar（85）One section of externally threaded U-shaped bar, pull bar are respectively offered for two ends（85）Bottom is enclosed on clamp（6）In the arc shaped groove of bottom.
10. the explosion-proof valve sealing means of lithium battery casing air tightness test according to claim 6, it is characterised in that：It is described
Pressure strip（82）Side is installed with and handle（84）One end rotates the side plate of connection（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710618267.0A CN107271108B (en) | 2017-07-26 | 2017-07-26 | Explosion-proof valve sealing device for lithium battery box body air tightness test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710618267.0A CN107271108B (en) | 2017-07-26 | 2017-07-26 | Explosion-proof valve sealing device for lithium battery box body air tightness test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107271108A true CN107271108A (en) | 2017-10-20 |
| CN107271108B CN107271108B (en) | 2023-08-04 |
Family
ID=60078600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710618267.0A Active CN107271108B (en) | 2017-07-26 | 2017-07-26 | Explosion-proof valve sealing device for lithium battery box body air tightness test |
Country Status (1)
| Country | Link |
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| CN (1) | CN107271108B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657921A (en) * | 2019-09-17 | 2020-01-07 | 合肥国轩高科动力能源有限公司 | Explosion-proof valve plugging clamp for air tightness test of lithium battery pack |
| CN113624424A (en) * | 2021-06-24 | 2021-11-09 | 合肥国轩高科动力能源有限公司 | Explosion-proof valve sealing device for air tightness test of lithium battery box body |
| CN113804364A (en) * | 2021-09-10 | 2021-12-17 | 浙江工业大学之江学院 | Battery air tightness detection device and use method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432227A (en) * | 1980-05-02 | 1984-02-21 | Dunn Emmett L | Valve testing apparatus |
| JPH11167909A (en) * | 1997-12-03 | 1999-06-22 | Matsushita Electric Ind Co Ltd | Explosion-proof valve device for nonaqueous electrolyte battery |
| CN102305693A (en) * | 2011-09-16 | 2012-01-04 | 奇瑞汽车股份有限公司 | Device and method for detecting leak of upper cover of power battery |
| CN203011635U (en) * | 2012-12-14 | 2013-06-19 | 力神迈尔斯动力电池系统有限公司 | Lithium-ion power battery leakage-detecting and compacting mechanism |
| CN203011643U (en) * | 2012-12-25 | 2013-06-19 | 力神迈尔斯动力电池系统有限公司 | Leakage detection device for anti-explosion valve of lithium-ion power battery |
| CN103528764A (en) * | 2013-10-17 | 2014-01-22 | 奇瑞汽车股份有限公司 | System for measuring leakage of anti-explosion valve and pole of lithium ion battery |
| CN204373854U (en) * | 2015-02-04 | 2015-06-03 | 象山星旗电器科技有限公司 | Leakage hold down gag tested by a kind of battery |
| CN204514559U (en) * | 2015-04-02 | 2015-07-29 | 贺尔碧格阀业（常州）有限公司 | A kind of explosion-proof valve checkout equipment |
| CN204613036U (en) * | 2015-05-11 | 2015-09-02 | 合肥国轩高科动力能源股份公司 | One is used for rectangular cell aluminum hull and cover plate weld strength suppresses proving installation |
| KR20150131463A (en) * | 2014-05-14 | 2015-11-25 | 재단법인 포항산업과학연구원 | Cable leak-tightness testing machine |
| CN205809216U (en) * | 2016-05-18 | 2016-12-14 | 合肥国轩高科动力能源有限公司 | A kind of lithium ion battery short-circuit test device fixture |
| CN206990158U (en) * | 2017-07-26 | 2018-02-09 | 合肥国轩高科动力能源有限公司 | A kind of explosion-proof valve sealing means of lithium battery casing air tightness test |
-
2017
- 2017-07-26 CN CN201710618267.0A patent/CN107271108B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432227A (en) * | 1980-05-02 | 1984-02-21 | Dunn Emmett L | Valve testing apparatus |
| JPH11167909A (en) * | 1997-12-03 | 1999-06-22 | Matsushita Electric Ind Co Ltd | Explosion-proof valve device for nonaqueous electrolyte battery |
| CN102305693A (en) * | 2011-09-16 | 2012-01-04 | 奇瑞汽车股份有限公司 | Device and method for detecting leak of upper cover of power battery |
| CN203011635U (en) * | 2012-12-14 | 2013-06-19 | 力神迈尔斯动力电池系统有限公司 | Lithium-ion power battery leakage-detecting and compacting mechanism |
| CN203011643U (en) * | 2012-12-25 | 2013-06-19 | 力神迈尔斯动力电池系统有限公司 | Leakage detection device for anti-explosion valve of lithium-ion power battery |
| CN103528764A (en) * | 2013-10-17 | 2014-01-22 | 奇瑞汽车股份有限公司 | System for measuring leakage of anti-explosion valve and pole of lithium ion battery |
| KR20150131463A (en) * | 2014-05-14 | 2015-11-25 | 재단법인 포항산업과학연구원 | Cable leak-tightness testing machine |
| CN204373854U (en) * | 2015-02-04 | 2015-06-03 | 象山星旗电器科技有限公司 | Leakage hold down gag tested by a kind of battery |
| CN204514559U (en) * | 2015-04-02 | 2015-07-29 | 贺尔碧格阀业（常州）有限公司 | A kind of explosion-proof valve checkout equipment |
| CN204613036U (en) * | 2015-05-11 | 2015-09-02 | 合肥国轩高科动力能源股份公司 | One is used for rectangular cell aluminum hull and cover plate weld strength suppresses proving installation |
| CN205809216U (en) * | 2016-05-18 | 2016-12-14 | 合肥国轩高科动力能源有限公司 | A kind of lithium ion battery short-circuit test device fixture |
| CN206990158U (en) * | 2017-07-26 | 2018-02-09 | 合肥国轩高科动力能源有限公司 | A kind of explosion-proof valve sealing means of lithium battery casing air tightness test |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657921A (en) * | 2019-09-17 | 2020-01-07 | 合肥国轩高科动力能源有限公司 | Explosion-proof valve plugging clamp for air tightness test of lithium battery pack |
| CN110657921B (en) * | 2019-09-17 | 2021-07-30 | 合肥国轩高科动力能源有限公司 | Explosion-proof valve plugging clamp for air tightness test of lithium battery pack |
| CN113624424A (en) * | 2021-06-24 | 2021-11-09 | 合肥国轩高科动力能源有限公司 | Explosion-proof valve sealing device for air tightness test of lithium battery box body |
| CN113804364A (en) * | 2021-09-10 | 2021-12-17 | 浙江工业大学之江学院 | Battery air tightness detection device and use method |
| CN113804364B (en) * | 2021-09-10 | 2023-08-15 | 浙江工业大学之江学院 | Battery air tightness detection device and use method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107271108B (en) | 2023-08-04 |
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