CN201611375U - Detection device for lithium-ion power battery dissepiment - Google Patents
Detection device for lithium-ion power battery dissepiment Download PDFInfo
- Publication number
- CN201611375U CN201611375U CN2009203175430U CN200920317543U CN201611375U CN 201611375 U CN201611375 U CN 201611375U CN 2009203175430 U CN2009203175430 U CN 2009203175430U CN 200920317543 U CN200920317543 U CN 200920317543U CN 201611375 U CN201611375 U CN 201611375U
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- barrier film
- lithium
- rolling
- ion
- pick
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- 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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a detection device for a lithium-ion power battery dissepiment. The device comprises a roll releasing part, a roll collecting part, and a testing part fixedly arranged on detection brackets, wherein a testing device is arranged at the top end of the testing part, the testing device comprises a tester and two testing metal flat plates oppositely arranged in parallel, the positive and the negative input ends of the tester are respectively connected with the two testing metal flat plates, and a roll releasing guide roller wheel and a roll collecting guide roller shaft are respectively arranged on the detection brackets on two sides of the testing part. In the utility model, the testing metal flat plates are respectively connected with the positive and the negative input ends of the tester, and when the lithium-ion batteries dissepiment horizontally passes through the gap between the two testing metal flat plates, the tester automatically test the insulativity of the dissepiment, so as to avoid the possibility of manual false operation, and improve the reliability and efficiency of the detection means.
Description
Technical field
The utility model relates to a kind of pick-up unit of lithium-ion-power cell barrier film.
Background technology
Environmental pollution and energy crisis are the two big problems that the present mankind face, and a large amount of the popularizing of fuel-engined vehicle then is the one of the main reasons that causes the problems referred to above.The development electric motor car is the important means that effectively addresses the above problem, because electric motor car has energy variation, disposal of pollutants is few and efficiency of energy utilization is high advantage.Battery is the core of electric automobile, typical performance by more all kinds of electrokinetic cells, lithium ion battery has monomer voltage height, specific energy is big and self discharge is little advantage as can be seen, be widely used in big-and-middle-sized electrical equipment and military aspects such as electric automobile, electric bicycle and electric tool, therefore performance (comprising electrical property and safe reliability) and the processing and manufacturing level to lithium-ion-power cell requires more and more higher.
Along with the continuous progress of science and technology, the lithium ion battery performance particularly security performance of battery has obtained large increase in recent years, but still has many hidden danger, especially is embodied in the lithium-ion-power cell aspect.Lithium-ion-power cell has characteristics such as monomer energy height, electrolytic solution content be big, causes potential safety hazard easily, so will detect, screen barrier film in the manufacturing process of lithium-ion-power cell.
Summary of the invention
The purpose of this utility model provides the pick-up unit of the lithium-ion-power cell barrier film of a kind of reliability that improves lithium-ion-power cell barrier film defects detection means and efficient, reduction personnel maloperation possibility.
The pick-up unit of a kind of lithium-ion-power cell barrier film of the present utility model comprises the portion of unreeling, rolling portion and is fixedly arranged on the test department that detects on the support, this test department top is provided with proving installation, this proving installation comprises two test metal plates that tester and opposing parallel are provided with, the positive-negative input end of described tester links to each other with two test metal plates respectively, is respectively equipped with on the detection support of described test department both sides to unreel guide roller and rolling guiding roll shaft.
The width of described two test metal plates is greater than the width of the barrier film that will detect.
Described proving installation also comprises the sheet metal regulator that is used to regulate two test metal plate spacings.
The described portion of unreeling comprises unwinding rack, be located at unwinding rack one side be used to regulate the direct current generator intelligent speed-regulating that membrane coil unreels speed and unreel control system, be used to regulate the Deviation rectifier that unreels that overs the barrier film direction.
Described rolling portion comprises the rolling frame, is located at the direct current generator intelligent speed-regulating rolling control system that is used to regulate membrane coil rolling speed of rolling frame one side, is used to regulate the rolling Deviation rectifier that tightens up the barrier film direction.
Be connected to the shunt capacitance group between the described tester positive-negative input end.
The described portion of unreeling also comprises the unwinding tension controller that is used to control unwinding tension.
Described rolling portion also comprises the rolling tension controller that is used to control rolling tension force.
Two test metal plates of the present utility model link to each other with two positive-negative input ends of tester respectively, lithium ion battery separator from two the test metal plates between level through out-of-date, tester is tested the defective of barrier film automatically, avoid the possibility of artificial incorrect operation like this, improved the reliability and the efficient of detection means.
Description of drawings
Fig. 1 is the structural representation of lithium-ion-power cell barrier film pick-up unit of the present utility model;
Fig. 2 is the electrical schematic diagram that test metal plate of the present utility model is connected with tester;
Fig. 3 is the connection layout of shunt capacitance group one among the embodiment;
Fig. 4 is the connection layout of shunt capacitance group two among the embodiment.
Embodiment
Lithium-ion-power cell barrier film pick-up unit of the present utility model as shown in Figure 1, comprise the portion of unreeling, rolling portion and the test department that is fixedly arranged on the detection support 19, this test department top is provided with proving installation, this proving installation comprises two test metal plates 6 that tester and opposing parallel are provided with, these two test metal plates 6 opposing parallel respectively are located at the both sides up and down of the barrier film 5 that needs test, the width of these two test metal plates 6 is greater than the width of the barrier film 5 that will test, with test metal plate 6 sheet metal regulator 7 is housed accordingly, to regulate the spacing of two test metal plates 6, the positive-negative input end of described tester links to each other with two test metal plates 6 respectively, be respectively equipped with on the detection support 19 of described test department both sides and unreel guide roller 17 and rolling guiding roll shaft 18, unreel guide roller 17 by adjusting and realize that barrier film 5 is from straight the stretching out of the portion of unreeling, and straight detection through proving installation, then by rolling guide roller 18 along to rolling portion, finish the package of barrier film 5.
The portion of unreeling comprises unwinding rack 1, be located at unwinding rack 1 one sides be used to regulate the direct current generator intelligent speed-regulating that membrane coil 3 unreels speed unreel control system 2, be used to regulate over barrier film 5 directions unreel Deviation rectifier 4, be used to control the unwinding tension controller 9 of unwinding tension, this unwinding tension controller 9 is provided with display panel 10, can show the parameter informations such as tension force of the barrier film that passes through.
Rolling portion comprises rolling frame 11, is located at the direct current generator intelligent speed-regulating rolling control system 12 that is used to regulate rolling membrane coil 13 rolling speed of rolling frame 11 1 sides, is used to regulate the rolling tension controller 15 that tightens up the inclined to one side rolling Deviation rectifier 14 of barrier film direction and be used to control rolling tension force, this is provided with display panel 16 above rolling tension controller 15, can show pass through the parameter informations such as tension force of barrier film.
Pick-up unit of the present utility model has adopted IMP-3800B lithium ion battery insulation tester, test philosophy as shown in Figure 2, the positive-negative input end of tester inserts going up test metal plate 6-1 and testing metal plate 6-2 down of be arrangeding in parallel up and down respectively, and be connected to the shunt capacitance group between the positive-negative input end of tester, the shunt capacitance group can be respectively one group of electric capacity parallel connection as shown in Figure 3, also can be the electric capacity of two groups of parallel connections, as shown in Figure 4.Certainly quantity is set can be provided with as required of shunt capacitance group, or be provided with a plurality ofly, the capacitance group of the different numbers of pegging graft in use is to reach different purposes.
If any a kind of lithium-ion-power cell barrier film, the voltage breakdown of normal barrier film is 1800V.During use, at first membrane coil 3 is contained in the portion of unreeling, then membrane coil 3 is placed in the transmitting device, open the direct current generator intelligent speed-regulating and unreel control system 2, membrane coil 3 is emitted by the portion of unreeling under the promotion of motor and is infeeded transmitting device.Barrier film by unwinding tension controller 9 with unreel Deviation rectifier 4, forward and by unreel guide roller 17 enters test department through adjusting the back level at transmitting device, makes barrier film 5 keep open and flat at test department.Barrier film 5 is at the uniform velocity through the test department test, the IMP-3800B tester shows test results, the detection voltage of proving installation IMP-3800B tester is less than the barrier film voltage breakdown, be set to 1500V, barrier film 5 at the uniform velocity passes through between last test metal plate 6-1 and following test metal plate 6-2, when the insulation voltage that records barrier film 5 during greater than 1500V the IMP-3800B tester show OK, barrier film does not have defective; When the insulation voltage of barrier film 5 during less than 1500V the IMP-3800B tester show NG, report to the police the barrier film defectiveness simultaneously.Then defective barrier film is cut, do not had the barrier film of defective behind rolling tension controller 15 and rolling Deviation rectifier 14, to enter intelligent speed-regulating rolling control system 12 and carry out rolling.
Claims (8)
1. the pick-up unit of a lithium-ion-power cell barrier film, it is characterized in that: this device comprises the portion of unreeling, rolling portion and is fixedly arranged on the test department that detects on the support, this test department top is provided with proving installation, this proving installation comprises two test metal plates that tester and opposing parallel are provided with, the positive-negative input end of described tester links to each other with two test metal plates respectively, is respectively equipped with on the detection support of described test department both sides to unreel guide roller and rolling guiding roll shaft.
2. the pick-up unit of a kind of lithium-ion-power cell barrier film according to claim 1 is characterized in that: the width of described two test metal plates is greater than the width of the barrier film that will detect.
3. the pick-up unit of a kind of lithium-ion-power cell barrier film according to claim 1 is characterized in that: described proving installation also comprises the sheet metal regulator that is used to regulate two test metal plate spacings.
4. the pick-up unit of a kind of lithium-ion-power cell barrier film according to claim 1 is characterized in that: the described portion of unreeling comprises unwinding rack, be located at unwinding rack one side be used to regulate the direct current generator intelligent speed-regulating that membrane coil unreels speed and unreel control system, be used to regulate the Deviation rectifier that unreels that overs the barrier film direction.
5. the pick-up unit of a kind of lithium-ion-power cell barrier film according to claim 1 is characterized in that: described rolling portion comprises the rolling frame, is located at the direct current generator intelligent speed-regulating rolling control system that is used to regulate membrane coil rolling speed of rolling frame one side, is used to regulate the rolling Deviation rectifier that tightens up the barrier film direction.
6. the pick-up unit of a kind of lithium-ion-power cell barrier film according to claim 1 and 2 is characterized in that: be connected to the shunt capacitance group between the described tester positive-negative input end.
7. the pick-up unit of a kind of lithium-ion-power cell barrier film according to claim 3 is characterized in that: the described portion of unreeling also comprises the unwinding tension controller that is used to control unwinding tension.
8. the pick-up unit of a kind of lithium-ion-power cell barrier film according to claim 4 is characterized in that: described rolling portion also comprises the rolling tension controller that is used to control rolling tension force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203175430U CN201611375U (en) | 2009-12-04 | 2009-12-16 | Detection device for lithium-ion power battery dissepiment |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920316628 | 2009-12-04 | ||
| CN200920316628.7 | 2009-12-04 | ||
| CN2009203175430U CN201611375U (en) | 2009-12-04 | 2009-12-16 | Detection device for lithium-ion power battery dissepiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201611375U true CN201611375U (en) | 2010-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203175430U Expired - Fee Related CN201611375U (en) | 2009-12-04 | 2009-12-16 | Detection device for lithium-ion power battery dissepiment |
Country Status (1)
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| CN (1) | CN201611375U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914472A (en) * | 2015-05-14 | 2015-09-16 | 惠州亿纬锂能股份有限公司 | Automatic detection device of battery diaphragm |
| CN105424076A (en) * | 2015-11-03 | 2016-03-23 | 深圳市星源材质科技股份有限公司 | Detection device for rolling tightness degree of lithium battery diaphragm and method of detection device |
| CN108827778A (en) * | 2018-08-24 | 2018-11-16 | 欣旺达电子股份有限公司 | The test device and method of battery diaphragm mechanical strength |
| CN111077422A (en) * | 2019-12-31 | 2020-04-28 | 河北金力新能源科技股份有限公司 | Lithium ion battery diaphragm breakdown strength testing device and testing method thereof |
| CN111357145A (en) * | 2018-08-09 | 2020-06-30 | 株式会社Lg化学 | Method and apparatus for detecting battery separator damage |
| CN111855758A (en) * | 2019-04-25 | 2020-10-30 | 住友化学株式会社 | Manufacturing method of slit diaphragm and manufacturing apparatus of slit diaphragm |
-
2009
- 2009-12-16 CN CN2009203175430U patent/CN201611375U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914472A (en) * | 2015-05-14 | 2015-09-16 | 惠州亿纬锂能股份有限公司 | Automatic detection device of battery diaphragm |
| CN105424076A (en) * | 2015-11-03 | 2016-03-23 | 深圳市星源材质科技股份有限公司 | Detection device for rolling tightness degree of lithium battery diaphragm and method of detection device |
| CN111357145A (en) * | 2018-08-09 | 2020-06-30 | 株式会社Lg化学 | Method and apparatus for detecting battery separator damage |
| CN111357145B (en) * | 2018-08-09 | 2023-08-29 | 株式会社Lg新能源 | Method and apparatus for detecting damage to battery separator |
| CN108827778A (en) * | 2018-08-24 | 2018-11-16 | 欣旺达电子股份有限公司 | The test device and method of battery diaphragm mechanical strength |
| CN108827778B (en) * | 2018-08-24 | 2020-12-01 | 欣旺达电子股份有限公司 | Device and method for testing mechanical strength of battery diaphragm |
| CN111855758A (en) * | 2019-04-25 | 2020-10-30 | 住友化学株式会社 | Manufacturing method of slit diaphragm and manufacturing apparatus of slit diaphragm |
| CN111077422A (en) * | 2019-12-31 | 2020-04-28 | 河北金力新能源科技股份有限公司 | Lithium ion battery diaphragm breakdown strength testing device and testing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20141216 |
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| EXPY | Termination of patent right or utility model |