CN110707350B - Device for realizing side sealing and insulation internal resistance testing of battery cell - Google Patents
Device for realizing side sealing and insulation internal resistance testing of battery cell Download PDFInfo
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- CN110707350B CN110707350B CN201910995064.2A CN201910995064A CN110707350B CN 110707350 B CN110707350 B CN 110707350B CN 201910995064 A CN201910995064 A CN 201910995064A CN 110707350 B CN110707350 B CN 110707350B
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- internal resistance
- pressing block
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- insulation internal
- sealing head
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- 238000007789 sealing Methods 0.000 title claims abstract description 45
- 238000009413 insulation Methods 0.000 title claims abstract description 32
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000003825 pressing Methods 0.000 claims description 57
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 239000000523 sample Substances 0.000 claims description 17
- 229920001342 Bakelite® Polymers 0.000 claims description 3
- 239000004637 bakelite Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 4
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 239000002985 plastic film Substances 0.000 description 7
- 229920006255 plastic film Polymers 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000012858 packaging process Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
The utility model provides a realize device of electric core side seal and insulating internal resistance test, relates to lithium ion battery technical field, and the concrete scheme is as follows: the utility model provides a realize device of electric core side seal and insulating internal resistance test, includes upper cover, low head, head actuating mechanism and insulating internal resistance tester, the upper cover is located the top of low head, the vertical reciprocating motion of head actuating mechanism drive upper cover, the side banding of electric core are located between upper cover and the low head, vertical downwards is provided with electrically conductive sharp thing through the screw fixation on the upper cover, and when the upper cover contacted the low head, electrically conductive sharp thing punctures the edge of side banding, the negative pole ear of electrically conductive sharp thing and electric core all is connected with insulating internal resistance tester electricity. The invention combines the side sealing station and the insulation internal resistance testing station into a whole, can simultaneously carry out the side sealing of the battery cell and the insulation internal resistance testing of the battery cell, simplifies the production station, improves the production efficiency and reduces the production cost.
Description
Technical Field
The invention relates to the technical field of lithium ion batteries, in particular to a device for realizing side sealing of a battery core and testing of insulation internal resistance.
Background
The rapid popularization of 3C digital electronic products and electric automobiles drives the strong market demand of lithium battery cells. For the production of lithium ion cores, the manufacturing process is complex and the number of work stations is large, so that the simplification of the process and the combination of the work stations are vital to the improvement of the yield and the reduction of the production cost; in the packaging process, top sealing and side sealing are usually performed firstly, then insulation internal resistance is tested, and the work stations operate independently to realize single function, so that the production efficiency is low due to long production time.
Disclosure of Invention
The invention aims to improve the efficiency of the side sealing and insulation internal resistance measuring stations in the lithium ion battery packaging process, which influence the independent operation of the side sealing and insulation internal resistance measuring stations.
The utility model provides a realize device of electric core side seal and insulating internal resistance test, includes upper cover, low head, head actuating mechanism and insulating internal resistance tester, the upper cover is located the top of low head, the vertical reciprocating motion of head actuating mechanism drive upper cover, the side banding of electric core are located between upper cover and the low head, the vertical electrically conductive sharp thing that is provided with downwards on the upper cover, when the upper cover contacts the low head, electrically conductive sharp thing punctures the edge of side banding, the negative pole ear of electrically conductive sharp thing and electric core all is connected with insulating internal resistance tester electricity.
Furthermore, a groove is formed in the lower end enclosure, and the conductive sharp object is arranged opposite to the groove.
Further, the length x width of the groove is larger than the length x width of the conductive sharp object.
Furthermore, the upper surface of the groove is 2-3mm lower than the upper surface of the lower end enclosure.
Further, the conductive sharp object is a metal bayonet or a metal needle.
Further, the device also comprises an upper lug pressing block, a lower lug pressing block and a pressing block driving mechanism, wherein the upper lug pressing block is positioned above the lower lug pressing block, the pressing block driving mechanism drives the upper lug pressing block to vertically reciprocate, and the lug of the battery cell is positioned between the upper lug pressing block and the lower lug pressing block.
Furthermore, a metal probe is installed on the upper pressing block of the tab, when the upper pressing block of the tab is contacted with the lower pressing block of the tab, the metal probe is contacted with the negative electrode tab, and the metal probe is electrically connected with the insulation internal resistance tester.
Furthermore, the metal probe is arranged on the front side of the pressing block on the pole lug.
Furthermore, the pole lug upper pressing block and the pole lug lower pressing block are both insulating bakelite blocks.
Furthermore, the end socket driving mechanism and the pressing block driving mechanism are both cylinders.
The invention has the beneficial effects that:
the invention combines the side sealing station and the insulation internal resistance testing station into a whole, can simultaneously carry out the side sealing of the battery cell and the insulation internal resistance testing of the battery cell, simplifies the production station, improves the production efficiency and reduces the production cost.
Drawings
Fig. 1 is a schematic structural diagram of a device for implementing cell side sealing and insulation internal resistance testing;
FIG. 2 is a front view of the upper head;
FIG. 3 is a bottom view of the upper head;
FIG. 4 is a side view of the bayonet;
FIG. 5 is a schematic structural view of the lower head;
FIG. 6 is a top view of the lower head;
fig. 7 is a schematic structural diagram of a pressing block on a tab;
fig. 8 is a schematic structural view of a pressing block under a tab;
in the figure: 1. the device comprises an upper end enclosure, 2, a lower end enclosure, 3, an insulation internal resistance tester, 4, an electric core, 5, a conductive sharp object, 6, a groove, 7, a lug upper pressing block, 8, a lug lower pressing block, 9, a metal probe, 10 and a probe mounting block.
Detailed Description
The technical solutions of the present invention are further described below with reference to fig. 1 to 8 and the detailed description, but not limited thereto, and all modifications or equivalent substitutions that do not depart from the spirit and scope of the technical solutions of the present invention should be covered by the protection scope of the present invention. In the description of the present invention, it is to be understood that: the terms "front", "rear", "left", "right", and the like, which indicate orientation, are used for convenience in describing the present invention, and do not indicate or imply that the elements referred to must have a particular orientation, and therefore, are not to be construed as specifically limiting the present invention.
Detailed description of the invention
The utility model provides a realize device of electric core side seal and insulating internal resistance test, includes upper cover 1, low head 2, head actuating mechanism and insulating internal resistance tester 3, upper cover 1 is located the top of low head 2, 1 vertical reciprocating motion of head actuating mechanism drive upper cover, the side banding of electric core 4 is located between upper cover 1 and the low head 2, vertical downwards is provided with electrically conductive sharp thing 5 through the screw fixation on upper cover 1, and when upper cover 1 contacted low head 2, electrically conductive sharp thing 5 punctures the edge of side banding, electrically conductive sharp thing 5 and the negative pole ear of electric core 4 all are connected with insulating internal resistance tester 3 electricity.
Further, a groove 6 is formed in the lower end enclosure 2, the conductive sharp object 5 is arranged opposite to the groove 6, and the groove 6 is a U-shaped groove. The groove 6 plays a role of supporting the aluminum plastic film.
Further, the length x width dimension of the groove 6 is larger than the length x width dimension of the conductive sharp 5.
Furthermore, the upper surface of the groove 6 is 2-3mm lower than the upper surface of the lower seal head 2.
Further, the conductive sharp object 5 is a metal bayonet.
Further, the seal head driving mechanism is an air cylinder.
Further, the insulation internal resistance tester 3 is electrically connected with the negative electrode tab through a test clamp.
The concrete during operation: the battery cell 4 is conveyed to a side sealing station, and when packaging is carried out, the test clamp firstly clamps the negative electrode lug; the upper end enclosure 1 moves downwards under the driving of the cylinder, when the upper end enclosure is in contact with the lower end enclosure 2, the side edge of the battery cell 4 is subjected to heat sealing, a bayonet synchronously punctures an aluminum plastic film on the edge on the right side of the side edge enclosure during heat sealing, and the insulation internal resistance tester 3 starts an automatic test to judge whether the resistance of the negative electrode lug and the aluminum plastic film is qualified.
And after the upper end enclosure and the lower end enclosure are in contact heat sealing for about 0.2-0.5s, starting the test of the insulation internal resistance instrument, synchronously applying voltage to the bayonet and the negative electrode lug for about 0.5-1s for testing, and automatically cutting off the voltage after outputting the insulation internal resistance between the aluminum plastic film at the bayonet and the negative electrode lug. In the whole process, after the insulation internal resistance test and the side sealing edge heat sealing are finished, the upper sealing head is lifted.
Detailed description of the invention
The utility model provides a realize device of electric core side seal and insulating internal resistance test, includes upper cover 1, low head 2, head actuating mechanism and insulating internal resistance tester 3, upper cover 1 is located the top of low head 2, 1 vertical reciprocating motion of head actuating mechanism drive upper cover, the side banding of electric core 4 is located between upper cover 1 and the low head 2, vertical downwards is provided with electrically conductive sharp thing 5 through the screw fixation on upper cover 1, and when upper cover 1 contacted low head 2, electrically conductive sharp thing 5 punctures the edge of side banding, electrically conductive sharp thing 5 and the negative pole ear of electric core 4 all are connected with insulating internal resistance tester 3 electricity.
Further, be provided with recess 6 on the low head 2, electrically conductive sharp object 5 sets up with recess 6 is relative, recess 6 is the U-shaped recess, and recess 6 plays the effect of supporting the plastic-aluminum membrane.
Further, the length x width dimension of the groove 6 is larger than the length x width dimension of the conductive sharp 5.
Furthermore, the upper surface of the groove 6 is 2-3mm lower than the upper surface of the lower seal head 2.
Further, the conductive sharp object 5 is a metal needle.
Further, the device further comprises an upper pressing block 7 of the tab, a lower pressing block 8 of the tab and a pressing block driving mechanism, wherein the upper pressing block 7 of the tab is positioned above the lower pressing block 8 of the tab, the pressing block driving mechanism drives the upper pressing block 7 of the tab to vertically reciprocate, and the tab of the battery cell 4 is positioned between the upper pressing block 7 of the tab and the lower pressing block 8 of the tab.
Further, a metal probe 9 is installed on the upper pressing block 7 of the tab, when the upper pressing block 7 of the tab is in contact with the lower pressing block 8 of the tab, the metal probe 9 presses the negative electrode tab on the lower pressing block 8 of the tab, and the metal probe 9 is electrically connected with the insulation internal resistance tester 3.
Furthermore, a probe mounting block 10 is fixed on the front side of the upper pressing block 7 of the tab, and the metal probe 9 is vertically arranged on the probe mounting block 10 in a sliding manner.
Furthermore, the upper pressing block 7 and the lower pressing block 8 of the tab are both insulating bakelite blocks.
Furthermore, the end socket driving mechanism and the pressing block driving mechanism are both cylinders.
The concrete during operation: when the battery cell 4 is conveyed to a side sealing station for packaging, the upper end enclosure 1 is driven by the cylinder to move downwards, when the upper end enclosure contacts the lower end enclosure 2, the side sealing edge of the battery cell 4 is subjected to heat sealing, and a bayonet synchronously punctures an aluminum plastic film on the edge on the right side of the side sealing edge during the heat sealing; when the upper end enclosure 1 moves downwards, the upper pressing block 7 of the tab moves downwards under the driving of the cylinder, when the upper pressing block 7 of the tab is contacted with the lower pressing block 8 of the tab, the metal probe 9 is contacted with the negative electrode tab, and the insulation internal resistance tester 3 starts an automatic test to judge whether the resistance of the negative electrode tab and the aluminum-plastic film is qualified.
And after the side seal upper and lower end enclosures are occluded and thermally sealed for about 0.2-0.5s, starting the test by using an insulation internal resistance instrument, synchronously applying voltage to the bayonet and the negative electrode lug for about 0.5-1s for testing, and automatically cutting off the voltage after outputting the insulation internal resistance between the aluminum plastic film at the bayonet and the negative electrode lug. In the whole process, after the insulation internal resistance test and the side sealing heat sealing are finished, the upper seal head and the upper pressing block of the tab are lifted synchronously.
Claims (6)
1. The utility model provides a realize device of electric core side seal and insulating internal resistance test which characterized in that: the insulation internal resistance tester comprises an upper sealing head (1), a lower sealing head (2), a sealing head driving mechanism and an insulation internal resistance tester (3), wherein the upper sealing head (1) is positioned above the lower sealing head (2), the sealing head driving mechanism drives the upper sealing head (1) to vertically reciprocate, a side sealing edge of a battery cell (4) is positioned between the upper sealing head (1) and the lower sealing head (2), a conductive sharp object (5) is vertically and downwards arranged on the upper sealing head (1), when the upper sealing head (1) is contacted with the lower sealing head (2), the conductive sharp object (5) punctures the edge of the side sealing edge, and a negative electrode lug of the conductive sharp object (5) and a negative electrode lug of the battery cell (4) are both electrically connected with the insulation internal resistance tester (3); a groove (6) is formed in the lower end enclosure (2), and the conductive sharp object (5) is arranged opposite to the groove (6);
the device also comprises an upper lug pressing block (7), a lower lug pressing block (8) and a pressing block driving mechanism, wherein the upper lug pressing block (7) is positioned above the lower lug pressing block (8), the pressing block driving mechanism drives the upper lug pressing block (7) to vertically reciprocate, and the lug of the battery cell (4) is positioned between the upper lug pressing block (7) and the lower lug pressing block (8); the upper pressing block (7) of the tab is provided with a metal probe (9), when the upper pressing block (7) of the tab is contacted with the lower pressing block (8) of the tab, the metal probe (9) is contacted with the negative tab, and the metal probe (9) is electrically connected with the insulation internal resistance tester (3); and the metal probe (9) is arranged on the front side of the pressing block (7) on the pole lug.
2. The device of claim 1, wherein the device is configured to perform the cell side sealing and the insulation internal resistance testing, and is further configured to: the length x width of the groove (6) is greater than the length x width of the conductive sharp object (5).
3. The device of claim 1, wherein the device is configured to perform the cell side sealing and the insulation internal resistance testing, and is further configured to: the upper surface of the groove (6) is 2-3mm lower than the upper surface of the lower seal head (2).
4. The device for realizing cell side sealing and insulation internal resistance testing according to any one of claims 1 to 3, wherein: the conductive sharp object (5) is a metal bayonet or a metal pricker.
5. The device of claim 1, wherein the device is configured to perform the cell side sealing and the insulation internal resistance testing, and is further configured to: and the lug upper pressing block (7) and the lug lower pressing block (8) are both insulating bakelite blocks.
6. The device of claim 1, wherein the device is configured to perform the cell side sealing and the insulation internal resistance testing, and is further configured to: and the end socket driving mechanism and the pressing block driving mechanism are both cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910995064.2A CN110707350B (en) | 2019-10-18 | 2019-10-18 | Device for realizing side sealing and insulation internal resistance testing of battery cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910995064.2A CN110707350B (en) | 2019-10-18 | 2019-10-18 | Device for realizing side sealing and insulation internal resistance testing of battery cell |
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| Publication Number | Publication Date |
|---|---|
| CN110707350A CN110707350A (en) | 2020-01-17 |
| CN110707350B true CN110707350B (en) | 2021-07-06 |
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| CN201910995064.2A Active CN110707350B (en) | 2019-10-18 | 2019-10-18 | Device for realizing side sealing and insulation internal resistance testing of battery cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111580004A (en) * | 2020-05-12 | 2020-08-25 | 珠海冠宇电池股份有限公司 | Battery detection method, device, equipment and computer readable storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015138623A (en) * | 2014-01-21 | 2015-07-30 | 株式会社豊田自動織機 | Method for detecting abnormality of power-storage module, and power-storage module |
| CN204793083U (en) * | 2015-07-24 | 2015-11-18 | 东莞仕能机械设备有限公司 | Battery electricity core packaging machine |
| CN106025372A (en) * | 2016-08-10 | 2016-10-12 | 中山市世豹新能源有限公司 | Lithium battery plastic-aluminum membrane packaging machine having on-line insulation detection function |
| CN205911375U (en) * | 2016-08-10 | 2017-01-25 | 中山市世豹新能源有限公司 | Lithium cell plastic -aluminum membrane packaging machine with online insulating function that detects |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301344A (en) * | 2018-11-02 | 2019-02-01 | 中山慧能科技有限公司 | A kind of encapsulation of lithium battery and insulating test set and encapsulation and insulation test method |
| CN209086329U (en) * | 2018-11-02 | 2019-07-09 | 北舰星(天津)科技有限公司 | A kind of battery coating pumping insulation resistance value test device |
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- 2019-10-18 CN CN201910995064.2A patent/CN110707350B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015138623A (en) * | 2014-01-21 | 2015-07-30 | 株式会社豊田自動織機 | Method for detecting abnormality of power-storage module, and power-storage module |
| CN204793083U (en) * | 2015-07-24 | 2015-11-18 | 东莞仕能机械设备有限公司 | Battery electricity core packaging machine |
| CN106025372A (en) * | 2016-08-10 | 2016-10-12 | 中山市世豹新能源有限公司 | Lithium battery plastic-aluminum membrane packaging machine having on-line insulation detection function |
| CN205911375U (en) * | 2016-08-10 | 2017-01-25 | 中山市世豹新能源有限公司 | Lithium cell plastic -aluminum membrane packaging machine with online insulating function that detects |
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