CN203811640U - Test fixture applicable to short-circuit test of lithium ion batteries - Google Patents
Test fixture applicable to short-circuit test of lithium ion batteries Download PDFInfo
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- CN203811640U CN203811640U CN201420264430.XU CN201420264430U CN203811640U CN 203811640 U CN203811640 U CN 203811640U CN 201420264430 U CN201420264430 U CN 201420264430U CN 203811640 U CN203811640 U CN 203811640U
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- lithium ion
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Abstract
The utility model relates to the field of manufacture of lithium ion batteries and discloses a test fixture applicable to short-circuit test of lithium ion batteries. The test fixture comprises a testing platform, at least one pair of metal pieces is arranged on the top surface of the testing platform, the metal pieces are connected with a positive electrode and a negative electrode of a short-circuit tester respectively; a vertical frame is arranged on the testing platform, an insulation pressure plate is arranged on the vertical frame and right above the testing platform and is opposite to the testing platform, a driving device is connected to the top of the insulation pressure plate, and the insulation pressure plate is driven to move up and down by the driving device. The test fixture is conducive to improving operation convenience of testing and is quite applicable to batch testing of the lithium ion batteries, and automatic testing is improved.
Description
Technical field
The utility model relates to lithium ion battery preparation field, particularly a kind of test fixture that is applicable to lithium ion battery short-circuit test
Background technology
Polymer Li-ion battery, after coiling operation completes, need to carry out lithium ion volume core short-circuit test at present, and this test is a rigid standard that directly judges product quality.
Lithium ion volume core short circuit meeting directly reduces the security performance of battery, when serious, even can cause naked light or the danger of blast, causes personal safety and property loss.Simultaneously short circuit also can cause strengthening from power consumption of battery, and pressure drop accelerates, and easy flatulence has had a strong impact on the Performance and quality of battery.
When prior art is carried out short-circuit test to lithium ion volume core, there is the problems such as test loose contact affects test result accuracy and detection efficiency is low, increased labour, be not suitable for the sharp work of product.
Utility model content
One of the utility model embodiment object is to provide a kind of test fixture that is applicable to lithium ion battery short-circuit test.Adopt the present embodiment technical scheme to be conducive to improve the operation ease of test, be specially adapted to the batch testing of lithium ion battery, improve automatic test.
A kind of test fixture that is applicable to lithium ion battery short-circuit test that embodiment of the present utility model provides, comprising: test board,
At described test board end face, be provided with at least one pair of sheet metal, described in two, sheet metal is connected with positive pole and the negative pole of short-circuit test instrument respectively;
On described test board, be provided with a stand,
In described stand, be provided with an insulating press boards, described insulating press boards be positioned at described test board directly over, relative with described test board,
Top at described insulating press boards is also connected with drive unit, and under the driving of described drive unit, described insulating press boards can oscilaltion campaign.
Alternatively, described drive unit is cylinder.
Alternatively, described in each, sheet metal shape in a row is arranged on the front end edge of described test board.
Alternatively, bottom surface at described insulating press boards is also provided with at least one pair of elastic insert, described elastic insert is raised in the bottom surface of described insulating press boards, described in each elastic insert lay respectively at sheet metal described in each directly over, when described insulating press boards declines, described in each, elastic insert is pressed in respectively described in each on lug on sheet metal.
Alternatively, described elastic insert is sponge bed course.
Alternatively, described insulating press boards is connected with described drive unit by web member.
Alternatively, described insulating press boards is glass epoxy.
Therefore, application the present embodiment technical scheme, due to the two metal sheets that is provided with at least one pair of is connected with positive pole and the negative pole of short-circuit test instrument respectively on test board, directly over the level of test board, be provided with can oscilaltion insulating press boards, when test, tested lithium ion battery is placed on test board, make the anode ear of tested lithium ion battery end, negative electrode lug is placed in respectively sheet metal end face, insulating press boards is declined to be pressed on tested lithium ion battery, under the effect of this insulating press boards, make the anode ear of tested lithium ion battery, the two metal sheets close contact of negative electrode lug and its below, be that they are connected respectively with the bipolarity on short-circuit test instrument respectively, can realize the robotization short-circuit test of each lithium ion battery.When the sheet metal on being arranged on test board is multipair, can adopt this equipment to realize lithium ion battery short circuit in batches tests automatically, adopt the present embodiment technical scheme to be conducive to improve the operation ease of test, be specially adapted to the batch testing of lithium ion battery, improve automatic test.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only an embodiment of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the test fixture that is applicable to lithium ion battery short-circuit test that Fig. 1 provides for the utility model embodiment.
Reference numeral
1: test board; 2: stand; 3: drive unit; 4: pressing plate;
5: web member; 6: sheet metal; 7: elastic insert; 8: adjustable screw hole;
9: the wire being connected with both positive and negative polarity.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only embodiment of the utility model, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Shown in Fig. 1, the present embodiment provides a kind of test fixture that is applicable to lithium ion battery short-circuit test, it is characterized in that, comprise: test board 1, at test board 1 end face, be provided with at least one pair of sheet metal 6, the a pair of sheet metal of the present embodiment one is example, and the two metal sheets 6 in every sheet metal is connected with positive pole and the negative pole of short-circuit test instrument respectively; On test board 1, be provided with a stand 2, this stand 2 can be, but not limited to be arranged on as illustrated in fig. 1 the rear end of test board, also can be arranged on left end or right-hand member, in stand 2, be provided with an insulating press boards 4, insulating press boards 4 be positioned at test board 1 directly over, relative with test board 1, at the top of insulating press boards 4, be also connected with cylinder 3, under the driving of cylinder 3, insulating press boards 4 can oscilaltion campaign.
When test, tested lithium ion volume core is placed on test board, make the anode ear of tested lithium ion volume core end, negative electrode lug is placed in respectively sheet metal 6 end faces, start cylinder 3, under the prograding of cylinder 3, insulating press boards 4 declines and is pressed on tested lithium ion volume core, under the effect of this insulating press boards 4, insulating press boards 4 concora crush are to the anode ear of lithium ion volume core, on negative electrode lug, make the anode ear of tested lithium ion volume core, two metal sheets 6 close contacts of negative electrode lug and its below, be that lithium ion volume core to be measured is connected respectively with the bipolarity on short-circuit test instrument respectively, can realize the robotization short-circuit test of each lithium ion volume core: when short-circuit test instrument has short circuit prompting, certain tested lithium ion volume core short circuit, otherwise qualified.Visible, adopt the present embodiment technical scheme can realize the short-circuit test of lithium ion volume core without operating personnel's handheld test pen.
Therefore, application the present embodiment technical scheme, when the sheet metal 6 on being arranged on test board 1 is multipair, can adopt this equipment to realize lithium ion battery short circuit in batches tests automatically, adopt the present embodiment technical scheme to be conducive to improve the operation ease of test, be specially adapted to the batch testing of lithium ion battery, improve automatic test.
It should be noted that, the present embodiment is usingd cylinder 3 as the drive unit that drives the lifting of the present embodiment insulating press boards, but is actually not limited to this, can also adopt motor or other propulsion system.
Signal as the present embodiment, also can be further in the place ahead, bottom surface of insulating press boards 4, arrange with sheet metal 6 positions over against elastic insert 7, these combustion property bed course 7 projections are in the bottom surface of insulating press boards 4 plane, when decline insulating press boards 4, first elastic insert 7 arrives sheet metal 6, in assurance, the lug of tested lithium ion volume core is guaranteed to it contacts on good basis with the pressure of sheet metal 6, this elastic insert 7 causes vibration in the time of can also be able to weakening the lug compacting of pressing plate 4 and lithium ion volume core, avoid because vibration causes polar material layer on the pole piece of lithium ion volume in-core loose or come off and cause the impaired problem of performance of lithium ion battery.
Signal as the present embodiment, because the thickness of the battery of each batch may change, and vertical range between insulating press boards 4 and test board 1 size can exert an influence to lithium ion volume core short-circuit test result, if the vertical interval between them is too small, the pressure that lithium ion volume core is subject to may be excessive, may destroy lithium ion volume core; If spacing is excessive, may cause measuring accuracy inaccurate; Therefore, can in stand 2, further arrange one and can roll up the adjustable screw hole 8 that core thickness regulates distance between insulating press boards 4 and test board 1 according to lithium ion.Web member 5 be can adopt in the present embodiment and insulating press boards 4 and cylinder 3 connected, and the top movable of cylinder 3 is connected in stand 2, in stand 2, leaving can be for the movement travel space of cylinder 3 up-down adjustment, when application can regulate adjustable screw hole 8 and adjust the height of cylinder 3 in stand 2, the drive unit 3 that is connected with insulating press boards 4 makes progress or moves down, and has increased or reduced the distance of 1 of insulating press boards 4 and test board; .Like this, thereby can locate the lithium ion volume core that distance between insulating press boards 4 and test board 1 adapts to current thickness according to the position of the thickness flexible screw hole 8 of battery, meet the test request of current tested lithium ion volume core, guarantee the accurate of lithium ion volume core testing result.
Above-described embodiment, does not form the restriction to this technical scheme protection domain.The modification of doing within any spirit at above-mentioned embodiment and principle, be equal to and replace and improvement etc., within all should being included in the protection domain of this technical scheme.
Claims (7)
1. a test fixture that is applicable to lithium ion battery short-circuit test, is characterized in that, comprising: test board,
At described test board end face, be provided with at least one pair of sheet metal, described in two, sheet metal is connected with positive pole and the negative pole of short-circuit test instrument respectively;
On described test board, be provided with a stand,
In described stand, be provided with an insulating press boards, described insulating press boards be positioned at described test board directly over, relative with described test board,
Top at described insulating press boards is also connected with drive unit, and under the driving of described drive unit, described insulating press boards can oscilaltion campaign.
2. the test fixture that is applicable to lithium ion battery short-circuit test according to claim 1, is characterized in that, described drive unit is cylinder.
3. the test fixture that is applicable to lithium ion battery short-circuit test according to claim 1, is characterized in that, described in each, sheet metal shape in a row is arranged on the front end edge of described test board.
4. according to the test fixture that is applicable to lithium ion battery short-circuit test described in claim 1 or 2 or 3, it is characterized in that,
Bottom surface at described insulating press boards is also provided with at least one pair of elastic insert, described elastic insert is raised in the bottom surface of described insulating press boards, described in each elastic insert lay respectively at sheet metal described in each directly over, when described insulating press boards declines, described in each, elastic insert is pressed in respectively described in each on lug on sheet metal.
5. the test fixture that is applicable to lithium ion battery short-circuit test according to claim 4, is characterized in that, described elastic insert is sponge bed course.
6. according to the test fixture that is applicable to lithium ion battery short-circuit test described in claim 1 or 2 or 3, it is characterized in that, described insulating press boards is connected with described drive unit by web member.
7. according to the test fixture that is applicable to lithium ion battery short-circuit test described in claim 1 or 2 or 3, it is characterized in that, described insulating press boards is glass epoxy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420264430.XU CN203811640U (en) | 2014-05-22 | 2014-05-22 | Test fixture applicable to short-circuit test of lithium ion batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420264430.XU CN203811640U (en) | 2014-05-22 | 2014-05-22 | Test fixture applicable to short-circuit test of lithium ion batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203811640U true CN203811640U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420264430.XU Expired - Fee Related CN203811640U (en) | 2014-05-22 | 2014-05-22 | Test fixture applicable to short-circuit test of lithium ion batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203811640U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267220A (en) * | 2014-10-17 | 2015-01-07 | 中国电子科技集团公司第十三研究所 | Compressing device used for microwave device testing |
| CN107598796A (en) * | 2017-09-29 | 2018-01-19 | 江苏理士电池有限公司 | A kind of small-sized terminal lead ice storing time frock |
| CN109828214A (en) * | 2017-11-19 | 2019-05-31 | 深圳格林德能源集团有限公司 | A kind of power battery short-circuit test device |
| CN110346724A (en) * | 2019-07-31 | 2019-10-18 | 惠州市恒泰科技股份有限公司 | Lithium ion battery plus-negative plate ear prevents reversed detection device |
-
2014
- 2014-05-22 CN CN201420264430.XU patent/CN203811640U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267220A (en) * | 2014-10-17 | 2015-01-07 | 中国电子科技集团公司第十三研究所 | Compressing device used for microwave device testing |
| CN107598796A (en) * | 2017-09-29 | 2018-01-19 | 江苏理士电池有限公司 | A kind of small-sized terminal lead ice storing time frock |
| CN107598796B (en) * | 2017-09-29 | 2020-06-23 | 江苏理士电池有限公司 | Small-size terminal lead accumulator detects frock |
| CN109828214A (en) * | 2017-11-19 | 2019-05-31 | 深圳格林德能源集团有限公司 | A kind of power battery short-circuit test device |
| CN109828214B (en) * | 2017-11-19 | 2021-08-17 | 深圳格林德能源集团有限公司 | Power battery short circuit testing device |
| CN110346724A (en) * | 2019-07-31 | 2019-10-18 | 惠州市恒泰科技股份有限公司 | Lithium ion battery plus-negative plate ear prevents reversed detection device |
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| Date | Code | Title | Description |
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| 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: 20140903 Termination date: 20160522 |
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| CF01 | Termination of patent right due to non-payment of annual fee |