CN102269641A - Detection device and method of tightness of flexible package products - Google Patents

Detection device and method of tightness of flexible package products Download PDF

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Publication number
CN102269641A
CN102269641A CN2011100684021A CN201110068402A CN102269641A CN 102269641 A CN102269641 A CN 102269641A CN 2011100684021 A CN2011100684021 A CN 2011100684021A CN 201110068402 A CN201110068402 A CN 201110068402A CN 102269641 A CN102269641 A CN 102269641A
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China
Prior art keywords
light source
flexible packaging
packaging article
sensing chamber
holder
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Granted
Application number
CN2011100684021A
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Chinese (zh)
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CN102269641B (en
Inventor
贾宝安
高羿
谢磊
方宏新
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Dongguan Amperex Electronics Technology Ltd
Dongguan Amperex Technology Ltd
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Dongguan Amperex Electronics Technology Ltd
Dongguan Amperex Technology Ltd
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Priority to CN201110068402.1A priority Critical patent/CN102269641B/en
Publication of CN102269641A publication Critical patent/CN102269641A/en
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Abstract

The invention discloses a detection device of tightness of flexible package products. The device provided by the invention comprises a detection room, a vacuumizing device capable of vacuumizing the detection room, a laser thickness-detecting system which can be used for carrying out real-time and continuous detection on the thickness of the flexible package products in the detection room in the process of vacuumizing, and a recognizing system for automatically judging the leak tightness. The detection device of tightness of flexible package products, provided by the invention, has the advantages of defect quantification, defect location, high flexibility, capability of precisely detecting small gas leakage and the like. The detection device of the tightness utilizes an optical measurement system and an integrated technology for automatically recording and judging software and is suitable for efficient and automatic online continuous production. Moreover, the invention also discloses a detection method of the flexible package products.

Description

Flexible packaging article device for detecting sealability and detection method
Technical field
The present invention relates to a kind of flexible packaging article device for detecting sealability and detection method.
Background technology
The wrappage of flexible-packed battery (as flexible packing lithium ion battery) are generally the aluminum-plastic composite membrane of 60 ~ 150 microns of one decks, and its effect is vacuum seal electrode material and electrolytic solution, with isolated with atmospheric environment.Any breakage of soft packaging bag all can cause outside air to enter electrolytic solution, pole piece, causes electrolyte leakage and the gas that rises.In the use of flexible-packed battery, the gas that rises, leakage not only can be shortened the life-span of battery greatly, but also may damage whole electrical equipment, and therefore, the gas that prevents to rise, leakage are important topics of flexible-packed battery.
Flexible-packed battery method for conducting leak test commonly used has hot and humid method, pressurization and vacuum method.Vacuum method has been widely used in various food and the pharmaceutical packing as a kind of method that detects sealing.This class is packed common inside and is comprised air in certain amount or other gas (as nitrogen, carbon dioxide), and when vacuumizing, soft bag is impacted in the volumetric expansion of gas in the bag.Traditional vacuum method working pressure inductor detects the force value on soft packaging bag surface when vacuumizing, and detects the little sealing difference bad product of no force value or force value.
But flexible-packed battery all seals under vacuum state, and encapsulation back pkt. internal pressure only has the low-pressure gas of minute quantity usually less than 10 kPas in the bag.Follow-up leave standstill with charge and discharge process in, electrolytic solution and pole piece also can absorption portion gases, the gas in the actual battery is few and air pressure is very low.Flexible-packed battery (〉 10 kPas under lower vacuum state), soft packaging bag does not almost expand.Even small seepage is arranged, the bulging force of soft packaging bag is also very little.Therefore, traditional vacuum method can't be applicable to that the sealing of flexible-packed battery detects.
In view of this, but necessary flexible packaging article device for detecting sealability and the detection method that a kind of fast detecting flexible packaging article sealing is provided.
Summary of the invention
The objective of the invention is to: but a kind of pick-up unit and detection method of fast detecting flexible packaging article sealing are provided.
In order to realize the foregoing invention purpose, the invention provides a kind of flexible packaging article package seal checker, the thickness measurement with laser system that it comprises sensing chamber, the vacuum extractor that can vacuumize sensing chamber, in vacuum the thickness of the flexible-packed battery in the sensing chamber is detected, and the recognition system that sealing is judged automatically.
As a kind of improvement of flexible packaging article device for detecting sealability of the present invention, described thickness measurement with laser system carries out continuing in real time to detect to the thickness of the flexible-packed battery in the sensing chamber.
As a kind of improvement of flexible packaging article device for detecting sealability of the present invention, described vacuum extractor comprises vacuum source and the vacuum buffer tank between vacuum source, sensing chamber, and the volume of vacuum buffer tank is 10 ~ 100 times of sensing chamber's volume.
As a kind of improvement of flexible packaging article device for detecting sealability of the present invention, described sensing chamber is made by full impregnated bright glass or tempered glass.
As a kind of improvement of flexible packaging article device for detecting sealability of the present invention, described thickness measurement with laser system comprises light-source system, light source receiving system and is arranged in the slip objective table of described sensing chamber.
A kind of improvement as flexible packaging article device for detecting sealability of the present invention, described light-source system comprises light source plane holder, light source levels dancer rools and light source oblique angle holder, light source plane holder can be realized the adjusting of light source plane in vertical direction by the chute mode, the sliding roller of light source levels can be realized the fixing of multiple tracks light source head, and light source oblique angle holder can be realized the adjusting of light source irradiation angle 0 ~ 90 degree.
As a kind of improvement of flexible packaging article device for detecting sealability of the present invention, described light source receiving system comprises CCD plane holder and CCD holder.
In order to realize the foregoing invention purpose, the present invention also provides a kind of flexible packaging article method for conducting leak test, and it may further comprise the steps: provide and proofread the thickness measurement with laser system, so that the thickness of flexible packaging article is measured; One or several flexible packaging article are placed sensing chamber; The sealing detection chamber also vacuumizes sensing chamber by vacuum extractor, detects the variation of flexible packaging article thickness simultaneously with the thickness measurement with laser system; And the sealing of judging the flexible packaging article according to the variation of flexible packaging article thickness.
As a kind of improvement of flexible packaging article method for conducting leak test of the present invention, described thickness measurement with laser system comprises light-source system, light source receiving system and is arranged in the slip objective table of described sensing chamber.
A kind of improvement as flexible packaging article method for conducting leak test of the present invention, described light-source system comprises light source plane holder, light source levels dancer rools and light source oblique angle holder, light source plane holder can be realized the adjusting of light source plane in vertical direction by the chute mode, the sliding roller of light source levels can be realized the fixing of multiple tracks light source head, and light source oblique angle holder can be realized the adjusting of light source irradiation angle 0 ~ 90 degree.
As a kind of improvement of flexible packaging article method for conducting leak test of the present invention, described light source receiving system comprises CCD plane holder and CCD holder.
Flexible packaging article method for conducting leak test of the present invention utilizes the inner remaining a certain amount of gas of the bad flexible packaging article of sealing, air pressure to be higher than the characteristic of normal sealing flexible packaging article, the interior pressure that causes article by rapid vacuumizing is greater than external pressure, utilizes the change of non-contact mode measuring flexible packaging article thickness to judge the sealing of article fast again.By regulating the position of sensing chamber's final vacuum, vacuum pumping speed and laser rays, can detect the flexible packaging article of different sizes, different surf zones, and can the sealing defective of Soft Roll article be quantized, location and selectivity detect.With respect to prior art, flexible packaging article device for detecting sealability of the present invention has quantifying defects, defect location, highly sensitive and can accurately detect advantages such as small gas leakage.In addition, device for detecting sealability adopts optical measuring system, software writes down automatically and judge integrated technology, is fit to the on-line continuous production testing of high-level efficiency, robotization.
Description of drawings
Below in conjunction with the drawings and specific embodiments, flexible packaging article device for detecting sealability of the present invention and detection method are elaborated.
Fig. 1 wherein, has omitted vacuum extractor for the structural representation of flexible packaging article device for detecting sealability of the present invention.
Fig. 2 is the synoptic diagram of the vacuum extractor of flexible packaging article device for detecting sealability of the present invention.
Fig. 3 is the synoptic diagram of the thickness measurement with laser system of flexible packaging article device for detecting sealability of the present invention.
Fig. 4 is the process flow diagram of flexible packaging article method for conducting leak test of the present invention.
When Fig. 5 A to 5C detected the flexible-packed battery of different sealing for flexible packaging article device for detecting sealability of the present invention, the pressure in cell thickness, the sensing chamber was with the change curve of detection time.
Embodiment
Goal of the invention of the present invention, technical scheme and useful technique effect are more clear to be understood in order to make, and below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.Should be understood that the embodiment of describing in this instructions only is in order to explain the present invention, is not in order to limit the present invention.
Need to prove, though be that the present invention will be described for example only in this manual with flexible-packed battery 40, but, be understandable that flexible packaging article device for detecting sealability of the present invention and detection method also can be equally applicable to the fast detecting of other flexible packaging article sealing.
See also Fig. 1 to shown in Figure 3, flexible packaging article device for detecting sealability of the present invention comprises: sensing chamber 10, the thickness measurement with laser system 30 that can continue, detect in real time the vacuum extractor 20 of sensing chamber's 10 rapid vacuumizings, thickness to the flexible-packed battery in the sensing chamber 10 40 (or other flexible packaging article) in vacuum, and the recognition system (not shown) that the sealing of flexible-packed battery 40 is judged automatically.
Please consult shown in Figure 2ly especially, vacuum extractor 20 comprises vacuum source 202, vacuum buffer tank 206, is arranged at the vacuum monitoring form 208 on the vacuum buffer tank 206, and the controlled valve 204 between vacuum source 202 and vacuum buffer tank 206.Controlled valve 204 is a kind of in solenoid valve, relay and the vacuum flow-restrictor, is used to control and limit the air flow between vacuum source 202 and the vacuum buffer tank 206.Vacuum buffer tank 206 uses the variable-volume design, is used for regulating the vacuum ascending velocity of sensing chamber 10, and its volume is 10 ~ 100 times of sensing chamber's 10 volumes.
Sensing chamber 10 is visual hollow sealing container, is to be made by the glass or the tempered glass material of full impregnated light, so that measure and monitor the variation of flexible-packed battery 40 thickness in the vacuum.Be provided with slip objective table 102 in the sensing chamber 10, be used to carry one or more flexible-packed batteries to be detected 40.Sensing chamber 10 is tightly connected by pipeline 104 and vacuum buffer tank 206, and the appropriate location of pipeline 104 central authorities is provided with on-off valve 106, and on-off valve 106 is solenoid valve or relay, is used for the break-make of pilot piping 104 and sensing chamber 10.In addition, also be provided with vacuum monitoring form 108 in the sensing chamber 10.
Please in conjunction with consulting Fig. 1 and shown in Figure 3, thickness measurement with laser service system 30 comprises light-source system 302 and light source receiving system 303.Light-source system 302 comprises light source plane holder 304, light source levels dancer rools 306, and light source oblique angle holder 308.Light source plane holder 304 can be realized the adjusting of light source plane in vertical direction by the chute mode, and light source levels dancer rools 306 can be realized the fixing of multiple tracks light source head, and light source oblique angle holder 308 can be realized the adjusting of light source irradiation angle 0 ~ 90 degree.The light that light-source system 302 sends is a kind of in the monochromatic light such as laser, infrared light and ruddiness, adopts the mode of single-point, array luminous point or multiple tracks parallel lines to shine the surface of flexible-packed battery 40.
Light source receiving system 303 is used single CCD or array CCD system, is used to receive reflection or scattered light from flexible-packed battery 40 surfaces, and light source receiving system 303 comprises CCD plane holder 310 and CCD holder 312.
Below be example with flexible-packed battery 40, describe flexible packaging article method for conducting leak test of the present invention in detail in conjunction with Fig. 4 and Fig. 5: at first, according to shown in Fig. 1 to 3 flexible packaging article device for detecting sealability of the present invention assembling being finished, and guarantee the impermeability of whole detection device; Secondly, before beginning detection, thickness measurement with laser system 30 is proofreaded, can set fixing drift value and a correction coefficient according to the result of check and correction in case of necessity, confirm that reading is correct; Once more, pull out slip objective table 102 and flexible-packed battery 40 to be measured is placed on the slip objective table 102, flexible-packed battery 40 can be one or more; Subsequently, the slip objective table 102 that is loaded with flexible-packed battery 40 is pushed sensing chamber 10 and sealing detection chamber 10, open on-off valve 106, sensing chamber 10 is carried out rapid vacuumizing, thickness measurement with laser system 30 begins continue to detect the variation in thickness of flexible-packed battery 40, and the vacuum tightness of record sensing chamber 10, cell thickness are with the variation (curve as shown in Figure 5) of detection time; At last, recognition system can count mean value, maximal value, the end value that the thickness in the zone of need observing changes in time, declares the spill tag standard and judges whether it is non-defective unit according to what set.Detection finishes, and sensing chamber 10 is inflated, and takes out flexible-packed battery 40, picks out the bad flexible-packed battery of sealing 40.
Please consult shown in Figure 5 especially, the testing result of using flexible packaging article device for detecting sealability of the present invention to detect the sealing of flexible-packed battery is distinguished as follows: shown in Fig. 5 A, for the gasless flexible-packed battery of ne-leakage, sensing chamber is being carried out in the process of rapid vacuumizing, the thickness of flexible-packed battery changes hardly; Shown in Fig. 5 B, for inside the flexible-packed battery of a small amount of gas or little leakage is arranged, sensing chamber is being carried out in the process of rapid vacuumizing, the thickness of flexible-packed battery can increase; Shown in Fig. 5 C, the flexible-packed battery for the gas leakage of millimeter level is carrying out sensing chamber in the process of rapid vacuumizing, and the thickness of flexible-packed battery can increase afterwards earlier and descend.
In conjunction with above-mentioned detailed description to the specific embodiment of the invention as can be seen, with respect to prior art, flexible packaging article device for detecting sealability of the present invention has quantifying defects, defect location, highly sensitive and can accurately detect advantages such as small gas leakage.In addition, flexible packaging article device for detecting sealability adopts optical measuring system, software writes down automatically and integrated technology such as judgement, is fit to the on-line continuous production testing of high-level efficiency, robotization.
According to above-mentioned principle, the present invention can also carry out suitable change and modification to above-mentioned embodiment.Therefore, the embodiment that discloses and describe above the present invention is not limited to also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although used some specific terms in this instructions, these terms do not constitute any restriction to the present invention just for convenience of description.

Claims (11)

1. flexible packaging article device for detecting sealability, it is characterized in that: the thickness measurement with laser system that described flexible packaging article device for detecting sealability comprises sensing chamber, the vacuum extractor that can vacuumize sensing chamber, detect the thickness of the flexible packaging article in the sensing chamber in vacuum, and the recognition system that sealing is judged automatically.
2. flexible packaging article device for detecting sealability according to claim 1 is characterized in that: described thickness measurement with laser system carries out continuing in real time to detect to the thickness of the flexible packaging article in the sensing chamber.
3. flexible packaging article device for detecting sealability according to claim 1, it is characterized in that: described vacuum extractor comprises vacuum source and the vacuum buffer tank between vacuum source, sensing chamber, and the volume of vacuum buffer tank is 10 ~ 100 times of sensing chamber's volume.
4. flexible packaging article device for detecting sealability according to claim 1 is characterized in that: described sensing chamber is made by full impregnated bright glass or tempered glass.
5. flexible packaging article device for detecting sealability according to claim 1 is characterized in that: described thickness measurement with laser system comprises light-source system, light source receiving system and is arranged in the slip objective table of described sensing chamber.
6. flexible packaging article device for detecting sealability according to claim 5, it is characterized in that: described light-source system comprises light source plane holder, light source levels dancer rools and light source oblique angle holder, light source plane holder can be realized the adjusting of light source plane in vertical direction by the chute mode, the sliding roller of light source levels can be realized the fixing of multiple tracks light source head, and light source oblique angle holder can be realized the adjusting of light source irradiation angle 0 ~ 90 degree.
7. flexible packaging article device for detecting sealability according to claim 5 is characterized in that: described light source receiving system comprises CCD plane holder and CCD holder.
8. flexible packaging article method for conducting leak test, it may further comprise the steps:
Provide and proofread the thickness measurement with laser system, so that the thickness of flexible packaging article is measured;
One or several flexible packaging article are placed sensing chamber;
The sealing detection chamber also vacuumizes sensing chamber by vacuum extractor, detects the variation of flexible packaging article thickness simultaneously with the thickness measurement with laser system; And
Judge the sealing of flexible packaging article according to the variation of flexible packaging article thickness.
9. flexible packaging article method for conducting leak test according to claim 8 is characterized in that: described thickness measurement with laser system comprises light-source system, light source receiving system and is arranged in the slip objective table of sensing chamber.
10. flexible packaging article method for conducting leak test according to claim 9, it is characterized in that: described light-source system comprises light source plane holder, light source levels dancer rools and light source oblique angle holder, light source plane holder can be realized the adjusting of light source plane in vertical direction by the chute mode, the sliding roller of light source levels can be realized the fixing of multiple tracks light source head, and light source oblique angle holder can be realized the adjusting of light source irradiation angle 0 ~ 90 degree.
11. flexible packaging article method for conducting leak test according to claim 9 is characterized in that: described light source receiving system comprises CCD plane holder and CCD holder.
CN201110068402.1A 2011-03-22 2011-03-22 Soft package article device for detecting sealability and detection method Active CN102269641B (en)

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102636324A (en) * 2012-04-24 2012-08-15 无锡凯夫制药有限公司 Leakage detection device of infusion soft bag
CN103344392A (en) * 2013-06-27 2013-10-09 东莞市骏泰精密机械有限公司 Detecting mechanism of air impermeability of polymer lithium battery of leakiness inspector
CN103424227A (en) * 2012-05-22 2013-12-04 万向电动汽车有限公司 Method for controlling heat sealing quality of aluminum plastic film soft package battery
CN103832633A (en) * 2014-03-03 2014-06-04 中山市奥斯精工机械科技有限公司 Method and device for detecting air leakage of soft-package products
CN104112880A (en) * 2013-04-19 2014-10-22 索尼公司 Inspection apparatus, inspection method, and battery-inspecting chamber
CN104568347A (en) * 2014-12-22 2015-04-29 浙江中烟工业有限责任公司 Testing device and testing method for testing leakage of small cigarette case
CN105067193A (en) * 2015-07-30 2015-11-18 太仓源凯汽车配件有限公司 Performer leak detector and application method thereof
CN105890853A (en) * 2016-04-11 2016-08-24 中国计量学院 Online swimming ring air leakage detection device and detection method thereof
CN105910777A (en) * 2016-06-30 2016-08-31 河北工业大学 Detecting system for sealing property of aluminum foil blister package
CN106733717A (en) * 2016-12-27 2017-05-31 浙江超威创元实业有限公司 A kind of method for detecting that soft package lithium battery is damaged
CN108645561A (en) * 2018-06-01 2018-10-12 西安西电变压器有限责任公司 Vacuum degree harvester, vacuum-degree monitoring component and method
CN109579905A (en) * 2017-09-22 2019-04-05 深圳格林德能源集团有限公司 A kind of polymer Li-ion battery leakage characterization processes
CN110261046A (en) * 2013-10-02 2019-09-20 雅马哈精密科技株式会社 The check device and inspection method of sealed package product
CN110608860A (en) * 2019-09-05 2019-12-24 无锡格林司通科技有限公司 Method for detecting air tightness of soft package battery
CN111521354A (en) * 2020-04-30 2020-08-11 捷威动力工业嘉兴有限公司 Method and device for detecting air tightness of battery cell
CN111751065A (en) * 2020-06-30 2020-10-09 博众精工科技股份有限公司 Sealing detection device
CN112378604A (en) * 2020-08-19 2021-02-19 万向一二三股份公司 Device for detecting leakage condition of soft package power lithium battery and using method thereof
CN113138057A (en) * 2021-03-15 2021-07-20 万向一二三股份公司 Soft package battery leakage detection method and system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887457A (en) * 1988-11-28 1989-12-19 Miles Inc. Fixture and method of testing for soft package leak integrity
EP1333267A1 (en) * 2002-01-25 2003-08-06 Sepha Limited Method of leak detection
CN101140194A (en) * 2006-09-07 2008-03-12 深圳市比克电池有限公司 Detecting method for flexible packing products air tightness
CN101881596A (en) * 2010-06-09 2010-11-10 汕头大学 Machine vision linear array testing device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887457A (en) * 1988-11-28 1989-12-19 Miles Inc. Fixture and method of testing for soft package leak integrity
EP1333267A1 (en) * 2002-01-25 2003-08-06 Sepha Limited Method of leak detection
CN101140194A (en) * 2006-09-07 2008-03-12 深圳市比克电池有限公司 Detecting method for flexible packing products air tightness
CN101881596A (en) * 2010-06-09 2010-11-10 汕头大学 Machine vision linear array testing device

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102636324B (en) * 2012-04-24 2015-06-24 无锡凯夫制药有限公司 Leakage detection device of infusion soft bag
CN102636324A (en) * 2012-04-24 2012-08-15 无锡凯夫制药有限公司 Leakage detection device of infusion soft bag
CN103424227A (en) * 2012-05-22 2013-12-04 万向电动汽车有限公司 Method for controlling heat sealing quality of aluminum plastic film soft package battery
CN103424227B (en) * 2012-05-22 2016-08-17 万向电动汽车有限公司 A kind of aluminum plastic film soft-package battery hot sealing process control method
CN104112880A (en) * 2013-04-19 2014-10-22 索尼公司 Inspection apparatus, inspection method, and battery-inspecting chamber
CN104112880B (en) * 2013-04-19 2018-08-31 株式会社村田制作所 Check device, inspection method and battery check chamber
CN103344392B (en) * 2013-06-27 2016-05-11 东莞市骏泰精密机械有限公司 Leak tester soft package lithium battery air tightness detection machine structure
CN103344392A (en) * 2013-06-27 2013-10-09 东莞市骏泰精密机械有限公司 Detecting mechanism of air impermeability of polymer lithium battery of leakiness inspector
CN110261046A (en) * 2013-10-02 2019-09-20 雅马哈精密科技株式会社 The check device and inspection method of sealed package product
CN103832633B (en) * 2014-03-03 2015-09-09 中山市奥斯精工机械科技有限公司 A kind of flexible packing products leak detection method and device
CN103832633A (en) * 2014-03-03 2014-06-04 中山市奥斯精工机械科技有限公司 Method and device for detecting air leakage of soft-package products
CN104568347B (en) * 2014-12-22 2017-05-03 浙江中烟工业有限责任公司 Testing device and testing method for testing leakage of small cigarette case
CN104568347A (en) * 2014-12-22 2015-04-29 浙江中烟工业有限责任公司 Testing device and testing method for testing leakage of small cigarette case
CN105067193A (en) * 2015-07-30 2015-11-18 太仓源凯汽车配件有限公司 Performer leak detector and application method thereof
CN105067193B (en) * 2015-07-30 2017-08-29 太仓源凯汽车配件有限公司 A kind of actuator leak detector and its application method
CN105890853A (en) * 2016-04-11 2016-08-24 中国计量学院 Online swimming ring air leakage detection device and detection method thereof
CN105910777A (en) * 2016-06-30 2016-08-31 河北工业大学 Detecting system for sealing property of aluminum foil blister package
CN105910777B (en) * 2016-06-30 2019-03-12 河北工业大学 A kind of sealing propertytest system of aluminium foil blister packaging
CN106733717B (en) * 2016-12-27 2019-01-25 浙江超威创元实业有限公司 A method of detection soft package lithium battery is damaged
CN106733717A (en) * 2016-12-27 2017-05-31 浙江超威创元实业有限公司 A kind of method for detecting that soft package lithium battery is damaged
CN109579905A (en) * 2017-09-22 2019-04-05 深圳格林德能源集团有限公司 A kind of polymer Li-ion battery leakage characterization processes
CN108645561A (en) * 2018-06-01 2018-10-12 西安西电变压器有限责任公司 Vacuum degree harvester, vacuum-degree monitoring component and method
CN110608860A (en) * 2019-09-05 2019-12-24 无锡格林司通科技有限公司 Method for detecting air tightness of soft package battery
CN111521354A (en) * 2020-04-30 2020-08-11 捷威动力工业嘉兴有限公司 Method and device for detecting air tightness of battery cell
CN111521354B (en) * 2020-04-30 2022-06-21 捷威动力工业嘉兴有限公司 Method and device for detecting air tightness of battery cell
CN111751065A (en) * 2020-06-30 2020-10-09 博众精工科技股份有限公司 Sealing detection device
CN112378604A (en) * 2020-08-19 2021-02-19 万向一二三股份公司 Device for detecting leakage condition of soft package power lithium battery and using method thereof
CN113138057A (en) * 2021-03-15 2021-07-20 万向一二三股份公司 Soft package battery leakage detection method and system

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