CN103616143B - A kind of cylindrical electrical core air-tightness detection device - Google Patents
A kind of cylindrical electrical core air-tightness detection device Download PDFInfo
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- CN103616143B CN103616143B CN201310600717.5A CN201310600717A CN103616143B CN 103616143 B CN103616143 B CN 103616143B CN 201310600717 A CN201310600717 A CN 201310600717A CN 103616143 B CN103616143 B CN 103616143B
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Abstract
The invention discloses a kind of cylindrical electrical core air-tightness detection device, including air gauge, high-pressure air pipe joint, pedestal and gas-charging connection, gas-charging connection includes conical hollow threaded rod and the feed mechanism of afterbody of front portion, the diameter installing hole slightly larger than tested battery core diameter it is provided with on pedestal, the screwed hole wearing conical hollow threaded rod is set on installing hole sidewall, gas-charging connection tail end is flexibly connected high-pressure air pipe joint, and high-pressure air pipe joint concatenates air gauge, and pedestal top arranges liquid storage device.The present invention utilizes conical hollow threaded rod to be laterally inserted into battery core, prevent punching in pressure process from flying battery core, and be not required to individually join creep into pore, Solid rocket engine is accurate, the containing liquid chamber arranged on pedestal and the bleeder valve of installing hole side, directly inject liquid in containing liquid chamber when air-leakage test, and not only liquid consumption is few, prevent dirty to liquid of destructive testing, and need not integral shift and can detect easily to tank, cost is substantially reduced.
Description
Technical field
The invention belongs to battery air tightness detection technique field, particularly to a kind of cylindrical electrical core air-tightness detection device.
Background technology
At present, during the manufacturing of battery, the poor sealing of battery sizes lid heat-sealing, the problems such as battery leakage acid can be caused, affect battery quality；Accordingly, it would be desirable to battery is carried out airtight test.Existing air-tightness detection method, typically by forming pressure differential inside and outside battery, utilizes pressure transducer detection pressure differential change to judge air-tightness, and this is the General Principle of air tightness detection machine.But, in detection cylindrical electrical core air-tightness and explosion-proof valve open the practice of pressure data, general employing adds an O RunddichtringO at battery core head-tail, again battery core is placed in one and the diameter metal device slightly larger than battery core, one hole of brill bottom battery core from bottom inflatable, then observe whether it leaks gas putting a water at battery core block.The method operation is complicated and there is certain potential safety hazard, if air pressure controls bad meeting and causes battery core to be filled, and not only the failure of an experiment but also the people that easily injures；The method that also has bottom to insert single cannot complete independently, install, detect speed compared with slow, accuracy is low.Therefore, a kind of novel cylindrical electrical core air-tightness detection device of design is needed badly to reduce detection difficulty and to improve work efficiency.Application number: the Chinese patent of 201220500677.8 discloses a kind of cylindrical battery sealing air-tightness detection device, including Pressure gauge, high-pressure air pipe joint, draw point, workbench, battery clamp, cylinder, it is characterized in that Pressure gauge is connected with high-pressure air pipe joint；Battery clamp includes strap, mobile clamping plate, guide rail, silicagel pad；The inner concave of affixed strap on the table is provided with silicagel pad, and equipped with high-pressure air pipe joint on strap, draw point and high-pressure air pipe joint seamless link, in being placed in fixation clamp plate hole and through silicagel pad；By guide rail fixed guide between strap, mobile clamping plate；Being provided with cylinder on workbench, cylinder rams is fixed in the outside of mobile clamping plate.Although it is easy to operate when its detection, but battery core must be holed before Jian Ce, easily internal physicochemical property is produced impact, and need the most individually to be equipped with cylinder during detecting and insert detection battery core as draw point described in propulsive force guarantee, and draw point and preformed hole gap in battery core are relatively big, if described draw point external diameter is then difficult to more than preformed hole insert.
Summary of the invention
It is an object of the invention to provide a kind of simple to operate, safe and reliable, sampling Detection battery core air-tightness and the cylindrical electrical core air-tightness detection device of explosion-proof performance.
For achieving the above object, the technical solution used in the present invention is: a kind of cylindrical electrical core air-tightness detection device, including air gauge, high-pressure air pipe joint, pedestal and gas-charging connection, described gas-charging connection includes conical hollow threaded rod and the feed mechanism of afterbody of front portion, the diameter installing hole slightly larger than tested battery core diameter it is provided with on described pedestal, the screwed hole wearing conical hollow threaded rod is set on described installing hole sidewall, described gas-charging connection tail end is flexibly connected described high-pressure air pipe joint, described air gauge is concatenated on described high-pressure air pipe joint, described pedestal top arranges liquid storage device.
Described liquid storage device includes containing liquid chamber and the bleeder valve of described installing hole side that described pedestal is provided above.
Described containing liquid chamber and base thread connect.
Described containing liquid chamber is set to transparent products or described containing liquid chamber sidepiece arranges observation window.
Described containing liquid chamber top arranges transparent arc capping, and the top of described arc capping arranges liquid injection port.
Described feed mechanism includes that outside has axle and the flexible handle of card access surface.
Described feed mechanism includes gear pair and drives motor.
Described conical hollow threaded rod front portion is provided with sealing ring, and described screwed hole front end arranges the size groove more than described sealing ring.
Described installing hole sidewall is embedded illumination part.
The present invention is provided with the diameter installing hole slightly larger than tested battery core diameter on pedestal, in order to install detected battery, hole it is threaded for wearing conical hollow threaded rod on installing hole sidewall described in described pedestal, the present invention uses conical hollow threaded rod structure can well be inserted in battery core to be detected through described screwed hole, and the front end of taper can puncture battery core outer wall, with need before conventional sense first to battery core boring technology compared with, not only optimize detection, decrease the detection time, taper surface structure fits inside rear thread, and to be advanced into contact with the contact in face tight, air-tightness is good, the outflow of the material in battery core can also be avoided and ambient atmos enters and affects its physicochemical property；The high-pressure air pipe joint that the endoporus of described conical hollow threaded rod is flexibly connected with described gas-charging connection tail end through described feed mechanism is connected, achieve the conducting of gas circuit, and testing inspection can be carried out easily by the air gauge of concatenation on described high-pressure air pipe joint, described pedestal top arranges liquid storage device, described liquid storage device includes containing liquid chamber and the bleeder valve of described installing hole side that described pedestal is provided above, the present invention directly can inject liquid by arranging described liquid storage device in described containing liquid chamber when air-leakage test, not only liquid consumption is few, prevent dirty to liquid of destructive testing, and can detect easily without in integral shift to tank, detection efficiency and cost are substantially reduced；Described containing liquid chamber and base thread connect, and use threaded form air-tightness good, and can remove described containing liquid chamber, simple operation when installing battery core or cleaning legacy；Described containing liquid chamber is set to transparent products or described containing liquid chamber sidepiece arranges observation window, real-time detected status can well be observed, the potential safety hazards such as blasting impact are easily produced when avoiding observing aloft, the most described containing liquid chamber top arranges transparent arc capping, the top of described arc capping arranges liquid injection port, liquid can be filled, and has bubble to produce and just can significantly see, improve detection accuracy, and the capping of described arc also has the effect of safety guard；Described feed mechanism includes that outside has axle and the flexible handle of card access surface, utilize laborsaving lever construction can easily realize described conical hollow threaded rod structure to be laterally inserted in battery core to be detected, and a people can complete whole testing process, reduces human cost；Another way, described feed mechanism includes gear pair and drives motor, inserts in battery core to be detected with regard to convenient realizing described conical hollow threaded rod structure by controlling described driving motor, and speed is faster；Described conical hollow threaded rod front portion is provided with sealing ring, move together in company with described conical hollow threaded rod, after inserting battery core, described sealing ring can well ensure air-tightness, place and gas replenishment process leaks illusion from there that cause poor air-tightness, described screwed hole front end arranges the size groove more than described sealing ring, under original state, described sealing gasket and described conical hollow threaded rod are in the state not exposing described groove, ensure the flexible installation without interference with battery core to be measured, described installing hole sidewall is embedded illumination part, the brightness within device can be improved, clearer can observe the real-time condition detected, improve the accuracy of detection.
The present invention utilizes described conical hollow threaded rod to be laterally inserted into battery core and detects, effectively prevent impact in pressure process from flying up, and be not required to individually join creep into pore, threaded stable, reliable, Solid rocket engine is accurate, further, containing liquid chamber that the present invention is arranged on described pedestal and the bleeder valve of described installing hole side, in described containing liquid chamber, liquid is directly injected when air-leakage test, not only liquid consumption is few, prevent dirty to liquid of destructive testing, and need not integral shift and can detect easily to tank, cost is substantially reduced.The present invention is easy to operate, and detection efficiency is high, with low cost, is applicable to cylindrical battery sealing air-leakage test, it is simple to promote the use of.
Accompanying drawing explanation
The present invention is described further below in conjunction with the accompanying drawings:
Fig. 1 is a kind of structural representation of the embodiment of the present invention one；
Fig. 2 is the structural representation of the embodiment of the present invention one gas-charging connection；
Fig. 3 is a kind of structural representation of the embodiment of the present invention two；
Fig. 4 is a kind of structural representation of arc capping described in the embodiment of the present invention three.
Detailed description of the invention
Specific embodiment one
As shown in Figure 1, a kind of cylindrical electrical core air-tightness detection device, including air gauge 1, high-pressure air pipe joint 2, pedestal 3 and gas-charging connection, described gas-charging connection includes conical hollow threaded rod 4 and the feed mechanism of afterbody of front portion, the diameter installing hole 6 slightly larger than tested battery core 5 diameter it is provided with on described pedestal 3, the screwed hole wearing conical hollow threaded rod 4 is set on described installing hole 6 sidewall, described gas-charging connection 4 tail end is flexibly connected described high-pressure air pipe joint 2, described air gauge 1 is concatenated on described high-pressure air pipe joint 2, described pedestal 3 top arranges liquid storage device, described liquid storage device includes containing liquid chamber 8 and the bleeder valve 9 of described installing hole 6 side that described pedestal 3 is provided above.
Described containing liquid chamber 8 and pedestal 3 are threaded.
Described containing liquid chamber 8 is set to transparent products or described containing liquid chamber 8 sidepiece arranges observation window.
Described feed mechanism includes that outside has axle 7 and the flexible handle 10 of card access surface.
Described conical hollow threaded rod 4 front portion is provided with sealing ring 11, and described screwed hole front end arranges the size groove more than described sealing ring 11.
The using method of cylindrical electrical core air-tightness detection device of the present invention is: first battery core 5 to be detected is put into described installing hole 6 rotation flexible handle 10 and drives conical hollow threaded rod 4 to advance, the most firmly make its tip pierce through battery core 5 when conical hollow threaded rod 4 withstands battery core 5, until the tip of conical hollow threaded rod 4 fully enters battery core 5, the most described sealing ring 11 with battery core 5 outer wall top tight sealing；Then described containing liquid chamber 8 is installed, and injects liquid, connect described high-pressure air pipe joint 2 and be passed through nitrogen, atmospheric pressure is set to the airtight test pressure limit of technological requirement, observe battery core 5 sealing part sealing condition；After battery core 5 sealing part airtight test is complete, more slowly pressurized nitrogen is until battery core 5 explosion-protection equipment starts, and the numerical value on record air gauge 1 is exactly battery core 5 explosion-proof valve atmospheric pressure when opening moment.
Embodiment two
As it is shown on figure 3, a kind of cylindrical electrical core air-tightness detection device, the difference with embodiment one is: described feed mechanism includes gear pair 12 and drives motor 13.
The using method of cylindrical electrical core air-tightness detection device of the present invention is identical with embodiment one.
Embodiment three
As Figure 1 and Figure 4, a kind of cylindrical electrical core air-tightness detection device, difference with embodiment one is: described containing liquid chamber 8 top arranges transparent arc capping 14, and the top of described arc capping 14 arranges liquid injection port 15, and described arc seals lid 14 and threadeds with described containing liquid chamber 8.
Embodiment four
A kind of cylindrical electrical core air-tightness detection device, the difference with embodiment one or two is: described installing hole 6 sidewall is embedded illumination part.
The using method of cylindrical electrical core air-tightness detection device of the present invention is identical with embodiment one.
Claims (9)
1. a cylindrical electrical core air-tightness detection device, it is characterised in that: include air gauge, high-pressure air pipe
Joint, pedestal and gas-charging connection, described gas-charging connection includes the conical hollow threaded rod of front portion and entering of afterbody
To mechanism, when described conical hollow threaded rod withstands battery core, described battery core is pierced through in tip, and described pedestal is arranged
There is diameter to be slightly larger than the installing hole of tested battery core diameter, described installing hole sidewall is arranged and wears conical hollow spiral shell
The screwed hole of rasp bar, described gas-charging connection tail end is flexibly connected described high-pressure air pipe joint, described high-pressure air pipe
Concatenating described air gauge on joint, described pedestal top arranges liquid storage device.
2. cylindrical electrical core air-tightness detection device as claimed in claim 1, it is characterised in that: described liquid
Storing unit includes containing liquid chamber and the bleeder valve of described installing hole side that described pedestal is provided above.
3. cylindrical electrical core air-tightness detection device as claimed in claim 2, it is characterised in that: described liquid storage
Storehouse and base thread connect.
4. cylindrical electrical core air-tightness detection device as described in Claims 2 or 3, it is characterised in that: described
Containing liquid chamber is set to transparent products or described containing liquid chamber sidepiece arranges observation window.
5. cylindrical electrical core air-tightness detection device as described in Claims 2 or 3, it is characterised in that: described
Containing liquid chamber top arranges transparent arc capping, and the top of described arc capping arranges liquid injection port.
6. cylindrical electrical core air-tightness detection device as claimed in claim 1, it is characterised in that: described feeding
Mechanism includes that outside has axle and the flexible handle of card access surface.
7. cylindrical electrical core air-tightness detection device as claimed in claim 1, it is characterised in that: described feeding
Mechanism includes gear pair and drives motor.
8. cylindrical electrical core air-tightness detection device as claimed in claim 1, it is characterised in that: described taper
Hollow thread bar front portion is provided with sealing ring, and described screwed hole front end arranges size and is more than the recessed of described sealing ring
Groove.
9. cylindrical electrical core air-tightness detection device as claimed in claim 1, it is characterised in that: described installation
Hole sidewall is embedded illumination part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310600717.5A CN103616143B (en) | 2013-11-25 | 2013-11-25 | A kind of cylindrical electrical core air-tightness detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310600717.5A CN103616143B (en) | 2013-11-25 | 2013-11-25 | A kind of cylindrical electrical core air-tightness detection device |
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| CN103616143A CN103616143A (en) | 2014-03-05 |
| CN103616143B true CN103616143B (en) | 2016-08-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103808468B (en) * | 2014-03-07 | 2016-08-17 | 南通新三能电子有限公司 | Screw bolt-type electrolysis condenser cover plate for sealing detection method |
| CN104132784B (en) * | 2014-08-13 | 2016-10-05 | 南通新三能电子有限公司 | Electrolytic capacitor sealing device for detecting sealability and detection method thereof |
| CN104614128B (en) * | 2015-01-12 | 2017-12-08 | 浙江天能能源科技股份有限公司 | A kind of lithium battery apparatus for testing weeping |
| CN109459196B (en) * | 2018-12-12 | 2020-07-28 | 东风时代(武汉)电池系统有限公司 | Automatic detection system for air tightness of battery pack |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202814661U (en) * | 2012-09-28 | 2013-03-20 | 山西皇城相府中道能源有限公司 | Cylindrical battery sealing air tightness detection |
| CN203629756U (en) * | 2013-11-25 | 2014-06-04 | 河南福森新能源科技有限公司 | Air tightness detection device for cylindrical electrical core |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3860922B2 (en) * | 1998-10-16 | 2006-12-20 | 三桜工業株式会社 | Leak inspection method for fluted battery cans |
| JP4404472B2 (en) * | 2000-10-25 | 2010-01-27 | 日本碍子株式会社 | Leak detection method and leak detection device for sealed container |
| CN203100981U (en) * | 2012-12-27 | 2013-07-31 | 肇庆理士电源技术有限公司 | Battery airtightness water-detection device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202814661U (en) * | 2012-09-28 | 2013-03-20 | 山西皇城相府中道能源有限公司 | Cylindrical battery sealing air tightness detection |
| CN203629756U (en) * | 2013-11-25 | 2014-06-04 | 河南福森新能源科技有限公司 | Air tightness detection device for cylindrical electrical core |
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Address after: 474450 Xichuan County Industrial Park, Henan, Nanyang Patentee after: Henan's new energy Polytron Technologies Inc Address before: 474405 Jinhe Industrial Zone, Xichuan County, Henan, Nanyang Patentee before: HENAN FUSEN NEW ENERGY TECHNOLOGY CO., LTD. |
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Address after: 474450 Xichuan County Industrial Park, Henan, Nanyang Patentee after: HENAN FUSEN NEW ENERGY TECHNOLOGY CO., LTD. Address before: 474450 Xichuan County Industrial Park, Henan, Nanyang Patentee before: Henan's new energy Polytron Technologies Inc |
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