CN2752785Y - Lithium ion cell safe testing device - Google Patents
Lithium ion cell safe testing device Download PDFInfo
- Publication number
- CN2752785Y CN2752785Y CNU2004200564171U CN200420056417U CN2752785Y CN 2752785 Y CN2752785 Y CN 2752785Y CN U2004200564171 U CNU2004200564171 U CN U2004200564171U CN 200420056417 U CN200420056417 U CN 200420056417U CN 2752785 Y CN2752785 Y CN 2752785Y
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- CN
- China
- Prior art keywords
- web member
- oil press
- lithium ion
- safety test
- base plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a safety test device of a lithium ion cell, which comprises an oil press, clamping devices fixed on the oil press, a multichannel sampler and a computer, wherein the clamping device comprises a connection piece and a device bottom board, wherein the connection piece is connected with a piston of the oil press and the connection piece and the device bottom board are connected together through four support slide rods. The utility model is characterized in that the side surface of the connection piece is provided with one displacement sensor, and two pressure sensors are inlaid on the central positions of the device bottom board. The utility model can conveniently adjust and control the pressure, the replacement of the different cramping devices is convenient and the versatility to tests with different standards is realized. The utility model can be generally used in safety tests of the lithium ion batteries with various standards.
Description
Technical field:
The utility model belongs to pressure device for controlling technical field, particularly relates to a kind of lithium ion battery safety test device.
Background technology:
Domestic standard to the lithium-ions battery security test mainly contains three kinds at present, and promptly class is UL2054 standard, GJB2374-95 standard and IEC61960-1:2000 standard.The UL2054 standard is the pass that product is gone abroad, and the product by this standard can be sold to developed countries such as America and Europe; By GJB2374-95, IEC61960-1:2000 standard is main series standard, and its product permits throwing in the home market.The test condition of UL2054 standard-required is: a battery is placed between two planes.Be connected on the plane for the 32mm piston with diameter, the extruding battery is subjected to the pressure of 17.2Mpa up to 2500 pounds of/square English, or has the masterpiece of 13kN to be used for 3000 pounds when going up, and battery is not on fire, do not explode; The test condition of GJB2374-95 standard-required is: battery is placed on one side for dull and stereotyped, and the another side radius is in the anchor clamps of steel cylinder of 7.9mm, makes the face of cylinder vertical with the battery major axis.Be squeezed to cell thickness and be 1/4 o'clock of this battery original diameter, battery is not on fire, do not explode; IEC61960-1:2000 is that the test condition that main series standard requires is: can provide the extrusion equipment of 1140N ± 20N pressure that the whole test surfaces that are full of electric battery are applied suitable extruding force with one.Battery is placed between two blocks of flat hardwood plates (thickness is at least 12.7mm) pushes.Increase pressure gradually to 1140N ± 20N, when keeping this pressure 1min above, battery is not on fire, do not explode.Described three kinds of standards require to have nothing in common with each other to the safety test of battery extruding, and the safe pressurizing unit of battery can not be general, and three kinds and test unit all can not be regulated and controlled pressure.
Practical fresh content:
The utility model is for solving problems of the prior art, and a kind of various criterion safety test that can be common to is provided, and and can regulate and the lithium ion battery safety test device of a kind of adjustable pressure of controlled pressure.
The utility model for solving the technical scheme that technical matters adopted that exists in the known technology is:
A kind of lithium ion battery safety test device, comprise oil press, be fixed on grip device, multi-channel sampling device and computing machine on the oil press, described grip device comprises web member, the device base plate that is connected with the oil press piston, web member and device base plate link together by 4 support slide bars, be characterized in: described web member side is equipped with a displacement transducer, and two pressure transducers are inlayed in described device base plate centre.
The utility model can also adopt following technical measures to realize:
Lithium ion battery safety test device is characterized in: described web member is provided with a device top cover, and 4 mounting holes on the described device top cover pass 4 support slide bars, will install base plate, web member and device top cover by reinforcing screw 9 and be fixed together.
Lithium ion battery safety test device is characterized in: described web member center is provided with a web member screwed hole of centre.
Lithium ion battery safety test device is characterized in: the distance of described two pressure transducers is 1 centimetre.
Lithium ion battery safety test device is characterized in: the piston connecting place of described web member and oil press is a stepped recesses shape.
Advantage and the good effect that the utlity model has are: organically combine by setting pressure sensor and displacement transducer, can regulate easily and controlled pressure; To the desired different anchor clamps of different standards, by grip device web member screwed hole of centre, change different anchor clamps easily, realize the versatility of test unit; By the test data of multi-channel sampling device to pressure transducer and displacement transducer, can calculate the density of different batteries, calculate cell density scope of the same race, and show on computers.
Description of drawings:
Fig. 1 is a kind of lithium ion battery safety test device synoptic diagram of the utility model embodiment;
Fig. 2 is a kind of lithium ion battery safety test device connection layout of the utility model embodiment;
Fig. 3 is the device top cover figure of a kind of lithium ion battery safety test device of the utility model embodiment;
Fig. 4 is a kind of lithium ion battery safety test device web member synoptic diagram of the utility model embodiment.
Label among the figure is respectively: install top cover 1.; 2. web member; 3. anchor clamps; 4. support litter; 5. displacement transducer; 6. pressure transducer; 7. web member center bolt hole; 8. device base plate; 9. reinforcing screw; 10. grip device; 11. multi-channel sampling device; 12. oil press; 13. control transformer; 14. advance A.C. contactor under the piston; 15. move back A.C. contactor on the piston; 16. hole; 17. the mounting hole of web member and anchor clamps; 18. stepped recesses; 19. screwed hole of centre; 20. web member through hole.
Embodiment:
For further understanding summary of the invention of the present utility model, characteristics and effect, enumerate following examples now, and conjunction with figs. is described in detail as follows:
As Fig. 1-shown in Figure 4: the bottom surface of the grip device 10 of this device is a device base plate 8,4 are supported four holes that litter 4 passes device base plate 8 respectively, pass web member through hole 20 and the hole 16 of installing on the top cover 1 on the web member 2 more successively, to install base plate 8, web member 2 and device top cover 1 with reinforcing screw 9 is fixed together, displacement transducer 5 of side fixed installation of web member 2, the centre of device base plate 8 are inlayed two and are positioned at same plane and are the pressure transducer 6 of sustained height; Stepped recesses on the web member 2 18 is fixed on the piston lower end of oil press 12, the output terminal of KTC series displacement transducer 5 and two pressure transducers 6 all is connected the input end of multi-channel sampling device 11, multi-channel sampling device 11 output terminals connect respectively and advance the input end that moves back A.C. contactor 15 on A.C. contactor 14 and the piston under control transformer 13, the piston, finally control moving of oil press 12 pistons.The test condition that requires with the IEC61960-1:2000 series standard is that example is carried out squeeze test, two flat thickness are at least the hardwood plate of 12.7mm, one is fixedly mounted on the device base plate 8, another piece is screwed on the mounting hole 17 of web member and anchor clamps as anchor clamps 3, test cell is placed on the hardwood plate on the device base plate 8, start oil press 12, to advancing A.C. contactor 14 and 13 power supplies of BK-50 type control transformer under the piston, piston drive web member 2 and anchor clamps 3 on the oil press 12 are moved down along supporting slide bars 4, the pressure of monitoring out when two pressure transducers 6 reaches 1140N by the demonstration of 34970A multi-channel sampling device, turn-off under the piston and advance A.C. contactor 14 and BK-50 type control transformer 13, keep this pressure 1min, whether test satisfies condition applies the standard of suitable extruding force to the whole test surfaces that are full of electric battery for the extrusion equipment that can provide 1140N ± 20N pressure with.
If, can take off plank as anchor clamps 3 by the security of lancing test battery, needling device is directly installed on the screwed hole of centre 19 of web member 2, can carry out the safety of acupuncture test.
At the same time, we also can learn degree and the electrical property state of its this moment that test cell is extruded and be extruded the heat that back inside battery reaction is produced by being installed in the KTC series displacement transducer 5 on the web member 2 and being strapped in temperature sensor on the battery and signal that the cell voltage connecting line sends 34970A multi-channel sampling device to.
During off-test, to moving back A.C. contactor 15 power supply on the piston, control linkage part 2 and anchor clamps 3 move along supporting on the slide bars 4, return to the position when initial, turn-off on the piston and move back A.C. contactor 15, close oil press.
If transform acupuncture or other squeeze test into, back out the screw between web member 2 and the extrusion clamp 3, change other anchor clamps or draw point.
Claims (5)
1. lithium ion battery safety test device, comprise oil press, be fixed on grip device and multi-channel sampling device on the oil press, described grip device comprises web member, the device base plate that is connected with the oil press piston, web member and device base plate link together by 4 support slide bars, it is characterized in that: described web member side is equipped with a displacement transducer, and two pressure transducers are inlayed in described device base plate centre.
2. safety test device according to claim 1, it is characterized in that: described web member is provided with a device top cover, 4 mounting holes on the described device top cover pass 4 support slide bars, will install base plate, web member and device top cover by reinforcing screw 9 and be fixed together.
3. safety test device according to claim 1 is characterized in that: described web member center is provided with a web member screwed hole of centre.
4. safety test device according to claim 1 is characterized in that: the distance of described two pressure transducers is 1 centimetre.
5. safety test device according to claim 1 is characterized in that: the piston connecting place of described web member and oil press is a stepped recesses shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200564171U CN2752785Y (en) | 2004-12-03 | 2004-12-03 | Lithium ion cell safe testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200564171U CN2752785Y (en) | 2004-12-03 | 2004-12-03 | Lithium ion cell safe testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2752785Y true CN2752785Y (en) | 2006-01-18 |
Family
ID=35914196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200564171U Expired - Fee Related CN2752785Y (en) | 2004-12-03 | 2004-12-03 | Lithium ion cell safe testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2752785Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608541A (en) * | 2012-04-10 | 2012-07-25 | 天津量诺科技发展有限公司 | Rapid packaging test mold for cells of lithium ion batteries |
| CN106199453A (en) * | 2016-08-31 | 2016-12-07 | 华南理工大学 | A kind of cylindrical battery lancing test fixture |
| CN107727691A (en) * | 2017-07-10 | 2018-02-23 | 公安部四川消防研究所 | A kind of lithium ion battery combustion explosion danger experimental rig |
| CN108247112A (en) * | 2018-04-03 | 2018-07-06 | 北京戴纳实验科技有限公司 | A kind of dust-free locating trepanning vehicle |
| CN111707539A (en) * | 2020-06-22 | 2020-09-25 | 中国人民解放军空军工程大学 | Test fixture for applying compressive stress to plate and using method thereof |
-
2004
- 2004-12-03 CN CNU2004200564171U patent/CN2752785Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608541A (en) * | 2012-04-10 | 2012-07-25 | 天津量诺科技发展有限公司 | Rapid packaging test mold for cells of lithium ion batteries |
| CN106199453A (en) * | 2016-08-31 | 2016-12-07 | 华南理工大学 | A kind of cylindrical battery lancing test fixture |
| CN107727691A (en) * | 2017-07-10 | 2018-02-23 | 公安部四川消防研究所 | A kind of lithium ion battery combustion explosion danger experimental rig |
| CN108247112A (en) * | 2018-04-03 | 2018-07-06 | 北京戴纳实验科技有限公司 | A kind of dust-free locating trepanning vehicle |
| CN111707539A (en) * | 2020-06-22 | 2020-09-25 | 中国人民解放军空军工程大学 | Test fixture for applying compressive stress to plate and using method thereof |
| CN111707539B (en) * | 2020-06-22 | 2023-03-21 | 中国人民解放军空军工程大学 | Test fixture for applying compressive stress to plate and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |