CN103207348A - Automatic detection device for detecting short circuit of large-capacity power lithium ion cell through high voltage and detection method thereof - Google Patents
Automatic detection device for detecting short circuit of large-capacity power lithium ion cell through high voltage and detection method thereof Download PDFInfo
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- CN103207348A CN103207348A CN2013100948090A CN201310094809A CN103207348A CN 103207348 A CN103207348 A CN 103207348A CN 2013100948090 A CN2013100948090 A CN 2013100948090A CN 201310094809 A CN201310094809 A CN 201310094809A CN 103207348 A CN103207348 A CN 103207348A
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 230000005611 electricity Effects 0.000 claims description 33
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 24
- 241000220317 Rosa Species 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract 3
- 238000007599 discharging Methods 0.000 abstract 2
- 238000009413 insulation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- Secondary Cells (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
The invention relates to an automatic detection device for detecting short circuit of a large-capacity power lithium ion cell through high voltage and a detection method thereof. The detection method includes: placing a battery cell to be detected on a transmission belt, conveying the cell to a proper position through the transmission belt, and enabling a cylinder to move downwards, enabling a panel A to be firmly pressed onto the cell, and simultaneously enabling a panel B to be firmly pressed on a lug watch hand and to be well contacted with the lug watch hand; enabling the cylinder to move to a lower limit position; delaying for 1-2 seconds, enabling a dielectric strength tester to discharge under high voltage; when the set time is due, enabling the dielectric strength tester to stop discharging, enabling a solenoid reversing valve to work after 1-2 seconds of the discharging, and lifting the cylinder; and when the cylinder reaches an upper limit position, enabling the transmission belt to work, and when the setting time is due, enabling the solenoid reversing valve to perform reversing to lift the cylinder. Therefore, the detection is finished. Compared with the prior art, the automatic detection device is small in size, high in automation degree, convenient to use, high in working efficiency and accurate and can well reflect the insulation performance of the cell.
Description
Technical field
The present invention relates to high-capacity dynamical lithium-ion battery electricity core high pressure and survey short circuit detector, be specifically related to a kind of high-capacity dynamical lithium-ion electricity core high pressure and survey short circuit automatic checkout equipment and detection method thereof.
Background technology
On the products such as lithium ion battery widespread use notebook, video camera, digital camera, mobile phone and electric tool.Particularly in the current society of high speed development, traditional energies such as oil, coal, rock gas are exploited day by day along with people and today of reducing cleaning such as a new generation's lithium ion battery, fuel cell, environmental protection, the energy conversion accumulator system becomes and solves environment that modern civilization faces and the effective ways of energy problem efficiently, enjoys people's favor.But along with using more and more widely, the security performance of battery is extensive concern also.So manufacturing process is very strict again, on the make electric core short-circuit detecting is very important.Existing following detection method, wherein a kind of inspection detects with universal meter.During detection, multimeter indicator side on cell polar ear, is seen whether resistance is infinitely great.
In sum, there is following technical matters in the prior art:
1, can only detect obvious short circuit, can not detect the potential short-circuit risks that electric core exists, the short circuit that brings as bulky grain, dust, barrier film pin hole etc.;
2, inconvenient operation, human factor are bigger;
3, automaticity is low.
Summary of the invention
The object of the present invention is to provide a kind of high-capacity dynamical lithium-ion electricity core high pressure to survey short circuit automatic checkout equipment and detection method thereof, provide high-capacity dynamical lithium-ion electricity core high pressure to survey the short circuit automatic checkout equipment, easy to detect, the efficient height, robotization degree height, by being discharged and recharged, electric core high pressure can detect the potential short-circuit risks that electric core exists, the short circuit that brings as bulky grain, dust, barrier film pin hole etc.Solve the problem that background technology exists.
Mesuring battary electricity core is put on the transport tape, by transport tape electric core is transported to correct position, cylinder moves downward, and dull and stereotyped A compresses dull and stereotyped B of electric core while and compresses the lug indicator and well contact with lug; Cylinder is to lower limit.Time-delay 1-2s Hi-pot Tester begins effluve.Arrive the discharge of setting-up time setting-up time Hi-pot Tester and finish, discharge finishes back 1-2S solenoid directional control valve work, and cylinder rises; When cylinder arrived upper limit, transport tape was started working, and arrived setting-up time solenoid valve reversal valve reversing cylinder and rose; Test is finished.
Concrete technical scheme is as follows:
A kind of high-capacity dynamical lithium-ion electricity core high pressure is surveyed the short circuit automatic checkout equipment, comprises frame, lift cylinder, and transport tape, flat board, connecting link connects dull and stereotyped, elasticity indicator and withstands voltage tester, wherein,
Described frame bottom arranges described transport tape;
Described lift cylinder is arranged on the frame, and it connects and the control linkage bar connects dull and stereotyped lifting;
Described transport tape is used for placing and transporting electric core to be measured;
Described dull and stereotyped top is connected to connecting link and connects dull and stereotyped;
Described connecting link connects flat board can descend and push down electric core to be measured;
Described elasticity indicator is embedded in the flat board, and is used for contacting with cell polar ear to be measured;
Described withstands voltage tester is connected to the elasticity indicator.
Further, described dull and stereotyped top is provided with first guide pillar and spring, and is connected to connecting link by first guide pillar and spring and is connected dull and stereotyped.
Further, described lift cylinder is provided with solenoid directional control valve, and it is connected to compressed gas source by gas piping.
Further, described elasticity indicator is cell polar ear contact indicator, and described withstands voltage tester is connected to this cell polar ear contact indicator by connecting line.
Further, also comprise one second guide pillar, lift cylinder connects the lifting connecting link by second guide pillar and connects dull and stereotyped.
Further, described lift cylinder is provided with magnetic position sensor.
Further, described flat board can press cell polar ear to be measured that lug is contacted with the elasticity indicator.
Further, described withstands voltage tester inside is provided with timer and alarm, alarm equipment alarm when electric core short circuit or the puncture of electric core.
Above-mentioned high-capacity dynamical lithium-ion electricity core high pressure is surveyed the detection method of short circuit automatic checkout equipment, comprises the steps:
(1) mesuring battary electricity core is put on the transport tape;
(2) by transport tape electric core is transported to correct position, cylinder moves downward, connecting link connect flat board compress electric core simultaneously flat board compress the lug indicator and well contact with lug, cylinder is to lower limit;
(3) time-delay 1-2s Hi-pot Tester begins effluve;
(4) arrive the discharge of setting-up time setting-up time Hi-pot Tester and finish, discharge finishes back 1-2S solenoid directional control valve work, and cylinder rises;
(5) when cylinder arrived upper limit, transport tape was started working, and arrived setting-up time solenoid valve reversal valve reversing cylinder and rose; Test is finished.
Further, comprise the steps: also before to check in step (1) whether each electric pipeline is good; Check whether detect the setting of control system parameter meets technological requirement; Illustrate that this electricity core quality is bad if alarm equipment alarm takes place in the step (3), otherwise illustrate that electric core is good.
Compare with present prior art, the present invention is easy to detect, the efficient height, and robotization degree height can detect the potential short-circuit risks that electric core exists by electric core high pressure is discharged and recharged, and as the short circuit that bulky grain, dust, barrier film pin hole etc. bring, it is more accurate to detect.The present device volume is little simultaneously, and the automaticity height is easy to use, high efficiency and very accurate.The better electric core security of reflection.
Description of drawings
Fig. 1 is the left view of structure of the present invention
Among the figure: frame 1, cylinder 2, magnetic position sensor 3, connecting link connect elasticity indicator 6, connecting line 7, pressurized air 8, withstands voltage tester 9, solenoid directional control valve 10, conveyer belt 11, the electric core 12 to be measured of dull and stereotyped A, guide pillar 4, spring 5, dull and stereotyped B, cell polar ear contact
Embodiment
Describe the present invention with reference to the accompanying drawings below, it is a kind of preferred embodiment in the numerous embodiments of the present invention.
In an embodiment, a kind of high-capacity dynamical lithium-ion electricity core high pressure survey short circuit automatic checkout equipment comprises that further 1 frame, cylinder 2, magnetic position sensor 3, connecting link connect the elasticity indicator 6 of dull and stereotyped A, guide pillar 4, spring 5, a dull and stereotyped B, cell polar ear contact in addition, connecting line 7, pressurized air 8, withstands voltage tester 9, solenoid directional control valve 10, conveyer belt 11, electric core 12 to be measured etc.Place detected electric core at transport tape, press start button, cylinder is started working, and cylinder presses down and makes dull and stereotyped A piezoelectricity core, and dull and stereotyped B compresses cell polar ear.Cylinder is after lower limit, and time-delay 1-2S, high pressure resistant tester begin to electric core charging, and at setting voltage, electric current was not reported to the police in the time, illustrated that electric core is good.This electricity core short circuit of explanation of reporting to the police is unusual.Arrive setting-up time, the work of reverse battery valve, cylinder rises, and arrives upper limit time-delay 1-2S, and conveyer belt work is transported to correct position to next electric core and is tested.
Adopt apparatus of the present invention, at the voltage of technological requirement, electric current is in the time.This electricity core of explanation is not good if report to the police, if report to the police explanation short circuit or puncture.
Simultaneously this, the automaticity height, easy to use, high efficiency and very accurate. can detect big particle.
The concrete production operation flow process of accompanying drawing:
Check whether each electric pipeline is good
Check whether detect the setting of control system parameter meets technological requirement
Mesuring battary electricity core is put on the transport tape.
Press start button, transport tape is transported to correct position to electric core, and cylinder moves downward, dull and stereotyped A compress electric core simultaneously dull and stereotyped B compress the lug indicator and well contact with lug.Cylinder is to lower limit.
Time-delay 1-2s Hi-pot Tester begins effluve.
Arrive the discharge of setting-up time setting-up time Hi-pot Tester and finish, discharge finishes back 1-2S solenoid directional control valve work, and cylinder rises.
When cylinder arrived upper limit, transport tape was started working, and test is finished
Arriving setting-up time solenoid valve reversal valve reversing cylinder rises.Test is finished.
Described high-capacity dynamical lithium-ion electricity core high pressure is surveyed the short circuit automatic checkout equipment, and further stage is if alarm equipment alarm illustrates this short circuit of electricity core or puncture in the survey process.Otherwise illustrate that electric core is good.
Compare with existing invention at present, it is more accurate to detect.The present device volume is little simultaneously, and the automaticity height is easy to use, high efficiency and very accurate.The better electric core security of reflection.
A kind of high-capacity dynamical lithium-ion electricity core high pressure is surveyed the short circuit automatic checkout equipment and is comprised frame further, cylinder, magnetic position sensor, connecting link connects dull and stereotyped A, guide pillar, spring, also has a dull and stereotyped B, the indicator of cell polar ear contact, connecting line pressurized air, withstands voltage tester, solenoid directional control valve, conveyer belt, described high-capacity dynamical lithium-ion electricity core high pressure is surveyed the short circuit automatic checkout equipment, further, described solenoid directional control valve connects compressed gas source by gas piping one end, the other end is connected with cylinder, described institute connecting line one end connects cell polar ear contact indicator, the other end connects the high pressure detection system, there is timer described withstands voltage tester inside, alarm, also comprise frame, guide pillar, its top is placed between described connecting link and bottom and is placed transport tape.Transport tape is transported to suitable place to electric core, be embedded with the indicator for electric core contact in the described flat board, and guide pillar and spring are arranged at top, being connected to connecting link by the Z type connects dull and stereotyped, the described alarm that also wraps in the withstands voltage tester, alarm equipment alarm when electric core short circuit or the puncture of electric core, lift cylinder, it is installed on the frame, control lifting connecting link connect dull and stereotyped A be used for pressing electric core to be measured also have simultaneously a dull and stereotyped B be used for piezoelectricity core lug simultaneously lug contact with indicator.The high-capacity dynamical lithium-ion electricity core high pressure of the above is surveyed the detection method of short circuit automatic checkout equipment, takes following steps: check whether each electric pipeline is good; Check whether detect the setting of control system parameter meets technological requirement; Mesuring battary electricity core is put on the transport tape; Press start button, transport tape is transported to correct position to electric core, and cylinder moves downward, dull and stereotyped A compress electric core simultaneously dull and stereotyped B compress the lug indicator and well contact with lug.Cylinder is to lower limit; Time-delay 1-2s Hi-pot Tester begins high-voltage charging; Arrive the discharge of setting-up time Hi-pot Tester and finish, discharge finishes back 1-2S solenoid directional control valve work, and cylinder rises; When cylinder arrived upper limit, transport tape was started working, and test is finished; If alarm equipment alarm illustrates that this electricity core quality is bad in the survey process.Otherwise illustrate that electric core is good.
By reference to the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (10)
1. a high-capacity dynamical lithium-ion electricity core high pressure is surveyed the short circuit automatic checkout equipment, it is characterized in that, comprises frame, lift cylinder, and transport tape, flat board, connecting link connects dull and stereotyped, elasticity indicator and withstands voltage tester, wherein,
Described frame bottom arranges described transport tape;
Described lift cylinder is arranged on the frame, and it connects and the control linkage bar connects dull and stereotyped lifting;
Described transport tape is used for placing and transporting electric core to be measured;
Described dull and stereotyped top is connected to connecting link and connects dull and stereotyped;
Described connecting link connects flat board can descend and push down electric core to be measured;
Described elasticity indicator is embedded in the flat board, and is used for contacting with cell polar ear to be measured;
Described withstands voltage tester is connected to the elasticity indicator.
2. high-capacity dynamical lithium-ion as claimed in claim 1 electricity core high voltage short circuit automatic checkout equipment is characterized in that described dull and stereotyped top is provided with first guide pillar and spring, and is connected to connecting link by first guide pillar and spring and is connected flat board.
3. high-capacity dynamical lithium-ion electricity core high voltage short circuit automatic checkout equipment as claimed in claim 1 or 2 is characterized in that described lift cylinder is provided with solenoid directional control valve, and it is connected to compressed gas source by gas piping.
4. as each described high-capacity dynamical lithium-ion electricity core high voltage short circuit automatic checkout equipment among the claim 1-3, it is characterized in that, described elasticity indicator is cell polar ear contact indicator, and described withstands voltage tester is connected to this cell polar ear contact indicator by connecting line.
5. as each described high-capacity dynamical lithium-ion electricity core high voltage short circuit automatic checkout equipment among the claim 1-4, it is characterized in that also comprise one second guide pillar, lift cylinder connects the lifting connecting link by second guide pillar and connects dull and stereotyped.
6. as each described high-capacity dynamical lithium-ion electricity core high voltage short circuit automatic checkout equipment among the claim 1-5, it is characterized in that described lift cylinder is provided with magnetic position sensor.
7. as each described high-capacity dynamical lithium-ion electricity core high voltage short circuit automatic checkout equipment among the claim 1-6, it is characterized in that described flat board can press cell polar ear to be measured that lug is contacted with the elasticity indicator.
8. as each described high-capacity dynamical lithium-ion electricity core high voltage short circuit automatic checkout equipment among the claim 1-7, it is characterized in that described withstands voltage tester inside is provided with timer and alarm, alarm equipment alarm when electric core short circuit or the puncture of electric core.
9. survey the detection method of short circuit automatic checkout equipment as high-capacity dynamical lithium-ion electricity core high pressure as described in the claim 1-8, it is characterized in that, comprise the steps:
(1) mesuring battary electricity core is put on the transport tape;
(2) by transport tape electric core is transported to correct position, cylinder moves downward, connecting link connect flat board compress electric core simultaneously flat board compress the lug indicator and well contact with lug, cylinder is to lower limit;
(3) time-delay 1-2s Hi-pot Tester begins effluve;
(4) arrive the discharge of setting-up time setting-up time Hi-pot Tester and finish, discharge finishes back 1-2S solenoid directional control valve work, and cylinder rises;
(5) when cylinder arrived upper limit, transport tape was started working, and arrived setting-up time solenoid valve reversal valve reversing cylinder and rose; Test is finished.
10. survey the detection method of short circuit automatic checkout equipment as high-capacity dynamical lithium-ion electricity core high pressure as described in the claim 9, it is characterized in that, comprise the steps: also before to check in step (1) whether each electric pipeline is good; Check whether detect the setting of control system parameter meets technological requirement; Illustrate that this electricity core quality is bad if alarm equipment alarm takes place in the step (3), otherwise illustrate that electric core is good.
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| CN201310094809.0A CN103207348B (en) | 2013-03-22 | 2013-03-22 | A kind of high-capacity dynamical lithium-ion battery core high pressure surveys short circuit automatic checkout equipment and detection method thereof |
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| CN201310094809.0A CN103207348B (en) | 2013-03-22 | 2013-03-22 | A kind of high-capacity dynamical lithium-ion battery core high pressure surveys short circuit automatic checkout equipment and detection method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543381A (en) * | 2013-10-14 | 2014-01-29 | 合肥国轩高科动力能源股份公司 | Square aluminum-shell battery short circuit detecting method and device |
| CN104505485A (en) * | 2014-10-23 | 2015-04-08 | 苏州三屹晨光工业设备有限公司 | Cell tab automatic-detection machine |
| CN109444678A (en) * | 2018-09-19 | 2019-03-08 | 多氟多（焦作）新能源科技有限公司 | A kind of the battery core insulation test method and device of lithium ion battery |
| CN112462218A (en) * | 2020-11-10 | 2021-03-09 | 珠海冠宇电池股份有限公司 | Battery cell pressurization tool, battery cell voltage-withstanding testing device and voltage-withstanding testing method |
| CN113504011A (en) * | 2021-06-17 | 2021-10-15 | 东莞市振华新能源科技有限公司 | Rolling crack detection device for cylindrical battery cell rolling groove |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103543381A (en) * | 2013-10-14 | 2014-01-29 | 合肥国轩高科动力能源股份公司 | Square aluminum-shell battery short circuit detecting method and device |
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| CN113504011B (en) * | 2021-06-17 | 2023-12-29 | 东莞市振华新能源科技有限公司 | Rolling crack detection device for cylindrical battery cell rolling groove |
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