CN201181325Y - Battery safety performance comprehensive tester - Google Patents
Battery safety performance comprehensive tester Download PDFInfo
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- CN201181325Y CN201181325Y CNU2008200329447U CN200820032944U CN201181325Y CN 201181325 Y CN201181325 Y CN 201181325Y CN U2008200329447 U CNU2008200329447 U CN U2008200329447U CN 200820032944 U CN200820032944 U CN 200820032944U CN 201181325 Y CN201181325 Y CN 201181325Y
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Abstract
The utility model relates to a battery safety performance integrated test appearance belongs to detection device technical field. Is characterized in that a battery clamp and an explosion-proof net frame are respectively fixed on a table board, an explosion-proof net is arranged on the explosion-proof net frame, a sample battery is arranged on the battery clamp, and a detection circuit is arranged in a box body; the charging output end of the detection circuit is connected with the input end of the charging circuit through a lead, and the output end of the charging circuit is respectively connected with the short circuit, the input end of the discharging circuit and the battery safety performance test console through leads; the output end of the short circuit is respectively connected with the input end of the actual measurement circuit and the input end of the nominal circuit through leads; the output end of the discharge circuit is connected with the over-discharge protection circuit through a lead; the over-discharge output end is connected with the forced discharge circuit through a lead. The utility model can reduce the difference of the test result caused by the artificial operation factor in the test process; the accuracy, reliability and safety protection performance of the test can be improved; the operation is convenient and fast, and the data is visual and accurate.
Description
Technical Field
The utility model relates to a battery safety performance integrated tester can extensively be used for the detection of battery product, belongs to detection device technical field.
Background
Lithium ion batteries have been widely used as reliable energy sources for small power driving devices, and batteries with good performance should have certain performances, such as electrochemical performance, rate characteristics, cyclicity, temperature characteristics, etc., and should also ensure no harm to people and instruments during use and shelf life.
In principle, lithium batteries, zinc-manganese batteries, alkaline zinc-manganese batteries and storage batteries all utilize the potential difference of positive and negative electrode materials in the batteries in electrochemical performance, generate chemical reaction through electrolytes and provide energy to the outside. Once the battery fails to normally discharge electric energy in a design state, resulting in accumulation or abnormal discharge of energy, spontaneous combustion or explosion of the battery may result.
In the prior art, the eighteenth research institute of china electronic technology group company applies for a technical patent of utility model named "a lithium ion battery safety test device", and the patent number is: "CN200420056417.1".
The utility model belongs to a lithium ion battery safety test device, including the hydraulic press, fix fixture device, multichannel sample thief and the computer on the hydraulic press, fixture device includes connecting piece, the device bottom plate of being connected with the hydraulic press piston, and connecting piece and device bottom plate link together through supporting the slide bar, and its characteristics are: a displacement sensor is installed on the side face of the connecting piece, and two pressure sensors are embedded in the center of the bottom plate of the device. The utility model can conveniently adjust and control the pressure; different clamps are convenient to replace, the test universality of different standards is realized, and the test clamp can be universally used for safety tests of lithium ion batteries of various standards. "
For example, the "CH9906-1672-2A" series lithium ion battery formation and capacity-grading automatic detection device is developed and produced by Hongzhou scientific and technological development Limited company.
The device has the following main performance characteristics: the process from constant current charging to constant voltage charging is smoothly switched, no voltage and current impact exists, and the battery is not damaged. The advantages are that: during constant-current charging, the constant-voltage control terminal is in a working state, so that the phenomenon of voltage runaway caused by poor battery contact is avoided, and the safety is improved; each point is provided with an independent constant current and constant voltage source and an independent charge-discharge loop, so that the voltage-discharge protection circuit is not interfered with each other, has overcurrent, overvoltage and undervoltage protection, and is safe and reliable; the clamp has the advantages of attractive appearance, strong corrosion resistance and convenient use; the maximum height of the clamp is 80mm, and the clamp is stepless and adjustable; the polarity of the anode and the cathode can be exchanged, and the battery is suitable for steel-shell batteries and aluminum-shell batteries; the constant current and the constant voltage are controlled by a single chip microcomputer, so that the use is more convenient, and the constant voltage precision is high; the data retention function is provided for sudden power failure or power failure. After the incoming call is recovered, the work can be automatically recovered from the breakpoint; the matched measurement and control software provides abundant data processing and monitoring functions and provides free software upgrading service. "
BTS2006 series detection equipment developed and produced by the company can be used for comprehensive performance tests of secondary single batteries or combined batteries of lithium batteries, polymers, nickel-hydrogen batteries, nickel-cadmium batteries and the like.
The series of detection equipment has the following main performance characteristics: the system also provides a function of simultaneously comparing and analyzing a plurality of batteries, can effectively and safely monitor unstable phenomena such as overcharge, overdischarge, overvoltage, overcurrent, undervoltage, undercurrent and the like, and powerfully ensures the safety of equipment, batteries and personnel. "
From the results of the above-mentioned domestic and international studies, it can be seen that the lithium ion battery has problems in terms of "thermal stability safety, electrical stability safety" and the like, and has been paid much attention and research.
The development and development of the detection equipment are focused on the universality of lithium ion batteries with different types and shapes and the adaptability to different detection standards. Meanwhile, the functions are rich, and the operation is simple and convenient. However, there is no report and research on how to protect the safety of equipment, batteries and personnel during the detection process of safety detection items.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned weak point to a battery safety performance integrated test appearance is provided, concentrate on one set of equipment with various alkaline storage battery, galvanic cell detection items that relate to electrical safety performance through comparatively simple and convenient mode, reduced the difference of the test result that the human operation factor leads among the testing process, improved accuracy, reliability and the safety protection performance of test, convenient operation is swift, data accuracy directly perceived.
The utility model discloses a main solution is realized like this:
the utility model mainly comprises a box body, a table-board, a protective cover and a base, wherein the box body is fixed on the base, the table-board is arranged above the box body, and the protective cover is arranged above the table-board; is characterized in that a battery clamp and an explosion-proof net frame are respectively fixed on a table-board, an explosion-proof net is arranged on the explosion-proof net frame, a sample (battery) is arranged on the battery clamp, and a detection circuit is arranged in a box body; the detection circuit comprises a charging circuit, a short circuit, a discharge circuit, an actual measurement circuit, a nominal circuit, an over-discharge protection circuit and the like; the detection circuit is connected with the battery safety performance test console through a lead; the charging output end is connected with the input end of the charging circuit through a lead, and the output end of the charging circuit is respectively connected with the short circuit, the input end of the discharging circuit and the battery safety performance test console through leads; the output end of the short circuit is respectively connected with the input end of the actual measurement circuit and the input end of the nominal circuit through leads; the output end of the discharge circuit is connected with the over-discharge protection circuit through a lead; the over-discharge output end is connected with the forced discharge circuit through a lead, and the test provides a platform for the test of the safety performance of the battery.
The charging circuit is used for testing the abnormal charging condition of the tested battery under the abnormal working state.
The short circuit tests the abnormal short circuit condition of the tested battery under the abnormal working state.
The discharge circuit is used for testing the abnormal discharge condition of the tested battery under the abnormal working state.
The actual measurement circuit is used for actually measuring the short-circuit current of the battery to be measured;
the nominal circuit is used for testing the positive electrode and the negative electrode of the tested battery, and the variable resistor and the tested battery are connected in series in a closed loop;
the over-discharge protection circuit is characterized in that under the condition of over-discharge, the electrolyte is decomposed to cause the degradation of the battery characteristics and the reduction of the charging times; the over-discharge phenomenon can be avoided, and the battery protection function is realized;
the over-discharge is to discharge the battery continuously after the capacity of the battery to be tested is discharged;
the forced discharging circuit is used for reversely connecting an external power supply with the two terminals of the battery in a series connection mode to carry out forced discharging.
The charging circuit is characterized in that the anode of a battery to be tested is connected with the anode of a voltage-stabilized power supply, the cathode of the battery to be tested is connected with a shunt, an alternating current contactor is connected with the shunt through a through wire, two ends of the battery to be tested are connected with a voltmeter in parallel, an ammeter is connected with the shunt, the cathode of the battery to be tested is connected with the cathode of the voltage-stabilized power supply, the alternating current contactor is connected with a loop, and the battery to be tested starts to be charged.
The over-discharge is realized by connecting the positive end and the negative end of a tested battery with an adjustable resistor, connecting the adjustable resistor with a shunt, connecting a voltmeter to the two ends of the tested battery in parallel, connecting an ammeter with the shunt, connecting a loop through an alternating current contactor, and starting to discharge the tested battery.
The over-discharge protection circuit is characterized in that the positive end and the negative end of a battery are connected with a fixed value resistor, an adjustable resistor is connected with a shunt, two ends of the battery to be tested are connected with a voltmeter in parallel, an ammeter is connected with the shunt, an alternating current contactor is connected with a loop, and the battery to be tested starts to discharge.
The forced discharge circuit is characterized in that the anode of a battery to be tested is connected with the cathode of a stabilized voltage power supply, the cathode of the battery to be tested is connected with an adjustable resistor, the other end of the adjustable resistor is connected with the anode of the stabilized voltage power supply, the adjustable resistor is connected with a shunt, two ends of the battery to be tested are connected with a voltmeter in parallel, an ammeter is connected with the shunt, the used resistor is a variable electronic load, an alternating current contactor is connected with a loop, and the battery to be tested starts forced discharge.
The nominal short circuit is realized by connecting the positive end and the negative end of a tested battery with an adjustable resistor, connecting the used resistor with a shunt, connecting a voltmeter to the two ends of the tested battery in parallel, connecting an ammeter with the shunt, connecting an alternating current contactor with a loop, and starting to discharge the tested battery.
The actual short circuit measurement adopts the way that the positive end and the negative end of a measured battery are directly connected by a lead, an alternating current contactor is connected with a shunt, two ends of the measured battery are connected with a voltmeter in parallel, an ammeter is connected with the shunt, the alternating current contactor is connected with a loop, and the measured battery starts to discharge.
Compared with the prior art, the utility model has the advantages that:
the utility model has simple, compact and reasonable structure; the physical space isolation mode of the detection station and the operation control is adopted, so that the personal safety of detection personnel in the operation and observation processes is ensured. Because the safety protection net is additionally arranged outside the detection station, the damage of the battery to detection personnel and peripheral facilities due to explosion and combustion in the test process is prevented. Because the fire prevention and insulation measures are taken at the detection station, the occurrence of accidental short circuit and secondary damage after accidents is favorably prevented.
Due to the adoption of the self-locking emergency stop device, the emergency stop device is convenient for the detection personnel to timely handle the emergency in the test. The detection tool can be used for detecting the nickel system storage battery, the lithium system storage battery and the primary batteries of various chemical systems by selecting different gears and tool jigs. The verification result shows that: the utility model discloses function and each item technical indicator all accord with operation requirement. The multifunctional test device has the advantages of complete functions, wide test range, capability of freely adjusting voltage, current, resistance and a test loop, convenience and quickness in operation, visual and accurate data, and leading position in the aspects of safety protection performance, reliability, practicability and the like.
Drawings
Fig. 1 is a schematic view of the appearance structure of the present invention.
Fig. 2 is a block schematic diagram of the control detection circuit of the present invention.
Fig. 3 is a schematic diagram of the charging circuit of the present invention.
Fig. 4 is a schematic diagram of the over-discharge circuit of the present invention.
Fig. 5 is a schematic diagram of the over-discharge protection circuit of the present invention.
Fig. 6 is a schematic diagram of the forced discharge circuit of the present invention.
Fig. 7 is a schematic diagram of a nominal short-circuit according to the present invention.
Fig. 8 is the utility model discloses the actual measurement short-circuit schematic diagram.
Detailed Description
The invention will be further described with reference to the following examples in the drawings:
the utility model discloses mainly constitute by protection casing 1, explosion-proof net frame 2, explosion-proof net 3, battery anchor clamps 4, examination appearance (battery) 5, box 6, mesa 7, wide range ampere meter 8, short range ampere meter 9, voltmeter 10, low power resistance 11, high-power resistance 12 and base 13 etc..
The utility model adopts the structure that the box body 6 is fixed on the base 13, the table-board 7 is arranged above the box body 6, and the protective cover 1 is arranged above the table-board 7; the battery clamp 4 and the explosion-proof net frame 2 are respectively fixed on the table-board 7, the explosion-proof net 3 is arranged on the explosion-proof net frame 2, and the sample (battery) 5 is arranged on the battery clamp 4. The front surface of the box body 6 is respectively provided with a wide-range ammeter 8, a small-range ammeter 9, a voltmeter 10, a small-power resistor 11 and a large-power resistor 12. A detection circuit is provided in the case 6. The detection circuit comprises a charging circuit, a short circuit, a discharge circuit, an actual measurement circuit, a nominal circuit, an over-discharge protection circuit and the like. The detection circuit is connected with the battery safety performance test console through a lead. The charging output end is connected with the input end of the charging circuit through a lead, and the output end of the charging circuit is respectively connected with the short circuit, the input end of the discharging circuit and the battery safety performance test console through leads; the output end of the short circuit is respectively connected with the input end of the actual measurement circuit and the input end of the nominal circuit through leads; the output end of the discharge circuit is connected with the over-discharge protection circuit through a lead; the over-discharge output end is connected with the forced discharge circuit through a lead, and the test provides a platform for testing the safety performance of the battery. The charging circuit is used for testing the abnormal charging condition of the tested battery under the abnormal working state. The short circuit tests the abnormal short circuit condition of the tested battery under the abnormal working state. The discharge circuit is used for testing the abnormal discharge condition of the tested battery under the abnormal working state. The actual measurement circuit is used for actually measuring the short-circuit current of the battery to be measured;
the nominal circuit is used for testing the positive electrode and the negative electrode of the tested battery, and a variable resistor with the resistance value of 0-10 omega is connected with the tested battery in series in a closed loop; the over-discharge protection circuit is characterized in that under the condition of over-discharge, the electrolyte is decomposed to cause the degradation of the battery characteristics and the reduction of the charging times; the over-discharge phenomenon can be avoided, and the battery protection function is realized; the over-discharge is to discharge the battery again after the battery capacity is discharged; the forced discharging circuit is used for reversely connecting an external power supply with two pole ends of the battery in a series connection mode to carry out forced discharging.
As shown in figure 3, the charging circuit is characterized in that the anode of a battery to be tested is connected with the anode of a voltage-stabilized power supply, the cathode of the battery to be tested is connected with a shunt 20A, an alternating current contactor KM7 is connected with the shunt 20A through a through line, two ends of the battery to be tested are connected with a voltmeter A in parallel, an ammeter A is connected with the shunt 20A, the cathode of the battery to be tested is connected with the cathode of the voltage-stabilized power supply, the alternating current contactor KM7 is connected with a loop, and the battery to be tested starts to be charged.
As shown in figure 4, the over-discharge is realized by connecting the positive end and the negative end of a tested battery with an adjustable resistor (0-10 omega 50W), connecting an adjustable resistor R (0-10 omega 50W) with a current divider 20A, connecting a voltmeter A in parallel at the two ends of the tested battery, connecting an ammeter A with the current divider 20A, and connecting a loop by an alternating current contactor KM4 to start discharging the tested battery.
As shown in figure 5, the over-discharge protection circuit is characterized in that the positive end and the negative end of a battery are connected with an adjustable resistor (8.2 omega 50W), a constant resistor R (8.2 omega 50W) is connected with a shunt 20A, two ends of a battery to be tested are connected with a voltmeter A in parallel, an ammeter A is connected with the shunt 20A, an alternating current contactor is connected with a KM6 to be connected with a loop, and the battery to be tested starts to discharge.
As shown in figure 6, the positive electrode of the tested battery is connected with the negative electrode of the stabilized voltage power supply, the negative electrode of the tested battery is connected with the adjustable resistor R (0-10 omega 50W), the other end of the adjustable resistor R (0-10 omega 50W) is connected with the positive electrode of the stabilized voltage power supply, the adjustable resistor R (0-10 omega 50W) is connected with the current divider 20A, a voltmeter A is connected in parallel with the two ends of the tested battery, the ammeter A is connected with the current divider 20A, the used resistor is a variable electronic load, the alternating current contactor KM5 is connected with a loop, and the tested battery starts to discharge forcibly.
As shown in fig. 7, the nominal short circuit is realized by connecting the positive and negative ends of the battery to be tested with an adjustable resistor, the used resistor is an adjustable resistor R (0.1-9.9 Ω 300W), the adjustable resistor R (0.1-9.9 Ω 300W) is connected with a shunt 100A, a voltmeter a is connected in parallel at the two ends of the battery to be tested, the ammeter a is connected with the shunt 100A, the alternating current contactor KM1 is connected with a loop, and the battery to be tested starts to discharge.
As shown in fig. 8, the actual measurement short circuit is realized by directly connecting the positive end and the negative end of the battery to be measured by using a lead, connecting an alternating current contactor KM2 with a current divider 100A, connecting a voltmeter a in parallel at the two ends of the battery to be measured, connecting an ammeter a with the current divider 100A, connecting a loop by the alternating current contactor KM2, and starting to discharge the battery to be measured.
In order to visually display the state of the battery to be tested, two ends of the battery to be tested are connected with a voltmeter in parallel, a wide-range ammeter (0-100A) is connected in series in a nominal short circuit and a short circuit, and a small-range ammeter is connected in series in other loops.
The utility model discloses a theory of operation and working process:
the utility model discloses a charge, discharge, the abnormal operating condition of battery under various abnormal conditions of short circuit loop analog standard regulation to detect the security performance of battery.
The utility model discloses easily operation, easily observation and test process and result, easily examine and determine this equipment according to relevant standard. The specific technical indexes are as follows:
1. the testing requirements of safety items such as short circuit and short circuit protection (at room temperature and high temperature), overcharge and overcharge protection, overdischarge protection, forced discharge, abnormal charge, high-rate charge, low-rate continuous charge and the like required by standards are met;
2. the relevant data required by the standard and the change of the lithium battery to be tested can be recorded in the testing process, so that the reasons and the consequences of combustion and explosion of the lithium battery in the testing process can be further researched;
3. the detection equipment can adjust related test parameters according to the requirements of test standards so as to increase the detection intelligent degree;
4. the detection equipment is required to realize serialization so as to conveniently produce the detection equipment suitable for various requirements aiming at lithium batteries with different specifications and types and special detection requirements;
5. the detection equipment can prevent the human body from being injured under the conditions of combustion and explosion in the detection process, and meanwhile, the convenient termination test can prevent the further damage.
6. The starting point and the falling point of the detection standard of the lithium ion storage battery are established by detecting and analyzing the performance of the lithium ion storage battery under extreme conditions of overcharge, overdischarge, overvoltage, overcurrent, undervoltage, undercurrent and the like. How to realize the centralization of the detection items, the generalization of the detection objects, the simplification of the detection operation and the standardization of the detection steps in one set of equipment is another main problem to be mainly solved by the utility model.
Claims (8)
1. A battery safety performance comprehensive tester comprises a protective cover (1), a box body (6), a table-board (7) and a base (13), wherein the box body (6) is fixed on the base (13), the table-board (7) is arranged above the box body (6), and the protective cover (1) is arranged above the table-board (7); the device is characterized in that a battery clamp (4) and an explosion-proof net frame (2) are respectively fixed on a table top (7), an explosion-proof net (3) is arranged on the explosion-proof net frame (2), a sample (5) is arranged on the battery clamp (4), and a detection circuit is arranged in a box body (6); the detection circuit consists of a charging circuit, a short circuit, a discharging circuit, an actual measurement circuit, a nominal circuit and an over-discharge protection circuit; the charging output end is connected with the input end of the charging circuit through a lead, and the output end of the charging circuit is respectively connected with the short circuit, the input end of the discharging circuit and the battery safety performance test console through leads; the output end of the short circuit is respectively connected with the input end of the actual measurement circuit and the input end of the nominal circuit through leads; the output end of the discharge circuit is connected with the over-discharge protection circuit through a lead; the over-discharge output end is connected with the forced discharge circuit through a lead;
the charging circuit is used for testing the abnormal charging condition of the battery in an abnormal working state;
the short circuit is used for testing the abnormal short circuit condition of the battery under the abnormal working state;
the discharge circuit is used for testing the abnormal discharge condition of the battery under the abnormal working state;
the actual measurement circuit is used for actually measuring the short-circuit current of the battery;
the nominal circuit is the positive pole and the negative pole of the test battery;
the over-discharge protection circuit can avoid the over-discharge phenomenon under the condition of over-discharge, thereby realizing the battery protection function;
the over-discharge is to discharge the battery again after the battery capacity is discharged;
the forced discharging circuit is used for reversely connecting an external power supply with the two terminals of the battery in a series connection mode to carry out forced discharging.
2. The comprehensive battery safety tester as claimed in claim 1, wherein the charging circuit is formed by connecting the positive electrode of the battery to be tested with the positive electrode of a voltage-stabilized power supply, connecting the negative electrode of the battery to be tested with a shunt, connecting an ac contactor with the shunt through a through wire, connecting a voltmeter in parallel with the two ends of the battery to be tested, connecting an ammeter with the shunt, connecting the negative electrode of the battery to be tested with the negative electrode of the voltage-stabilized power supply, and connecting the circuit with the ac contactor to start charging the battery to be tested.
3. The comprehensive tester for battery safety performance according to claim 1, characterized in that the over-discharge is performed by connecting the positive and negative ends of the battery to be tested with an adjustable resistor, the adjustable resistor is connected with a shunt, a voltmeter is connected in parallel with the two ends of the battery to be tested, an ammeter is connected with the shunt, the alternating current contactor is connected with a loop, and the battery to be tested starts to discharge.
4. The comprehensive tester for battery safety performance according to claim 1, characterized in that the over-discharge protection circuit is formed by connecting the positive and negative ends of the battery with a constant value resistor, connecting an adjustable resistor with a shunt, connecting a voltmeter to the two ends of the battery to be tested in parallel, connecting an ammeter with the shunt, connecting a circuit with an AC contactor, and starting discharging the battery to be tested.
5. The comprehensive tester for battery safety performance according to claim 1, characterized in that the forced discharge circuit is formed by connecting the positive electrode of the battery to be tested with the negative electrode of a voltage-stabilized power supply, connecting the negative electrode of the battery to be tested with an adjustable resistor, connecting the other end of the adjustable resistor with the positive electrode of the voltage-stabilized power supply, connecting the adjustable resistor with a shunt, connecting a voltmeter to both ends of the battery to be tested in parallel, connecting the ammeter with the shunt, connecting the resistor to be used as a variable electronic load, and starting forced discharge of the battery to be tested by connecting a loop through an alternating current contactor.
6. The comprehensive tester for battery safety performance according to claim 1, characterized in that the nominal short circuit is realized by connecting the positive and negative ends of the battery to be tested with an adjustable resistor, the resistor is an adjustable resistor, the adjustable resistor is connected with a shunt, a voltmeter is connected in parallel with the two ends of the battery to be tested, the ammeter is connected with the shunt, the alternating current contactor is connected with a loop, and the battery to be tested starts to discharge.
7. The comprehensive tester for battery safety performance according to claim 1, characterized in that the actual short circuit measurement is performed by connecting the positive and negative ends of the battery to be tested directly with wires, connecting the ac contactor to the shunt, connecting a voltmeter to the two ends of the battery to be tested in parallel, connecting the ammeter to the shunt, connecting the ac contactor to the circuit, and starting the discharge of the battery to be tested.
8. The battery safety performance comprehensive tester according to claim 1, characterized in that the front surface of the box body (6) is respectively provided with a wide-range ammeter (8), a small-range ammeter (9), a voltmeter (10), a small-power resistor (11) and a large-power resistor (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200329447U CN201181325Y (en) | 2008-03-14 | 2008-03-14 | Battery safety performance comprehensive tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200329447U CN201181325Y (en) | 2008-03-14 | 2008-03-14 | Battery safety performance comprehensive tester |
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| Publication Number | Publication Date |
|---|---|
| CN201181325Y true CN201181325Y (en) | 2009-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200329447U Expired - Fee Related CN201181325Y (en) | 2008-03-14 | 2008-03-14 | Battery safety performance comprehensive tester |
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| CN (1) | CN201181325Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261312B (en) * | 2008-03-14 | 2010-06-09 | 无锡市南亚试验设备有限公司 | Battery safety performance comprehensive tester |
| CN102175973A (en) * | 2010-12-31 | 2011-09-07 | 东莞市海拓伟电子科技有限公司 | Battery protection testing instrument |
| CN102338860A (en) * | 2011-03-16 | 2012-02-01 | 肇庆理士电源技术有限公司 | Device for detecting miniature small and dense lead-acid accumulator |
| CN105633489A (en) * | 2016-03-04 | 2016-06-01 | 清华大学 | Package structure for internal short-circuit simulation of power battery |
| CN105826511A (en) * | 2016-03-04 | 2016-08-03 | 清华大学 | Packaged battery with internal short circuit function |
| CN106353198A (en) * | 2016-08-31 | 2017-01-25 | 无锡东恒新能源科技有限公司 | Lithium battery compression resistance testing table |
| CN107656204A (en) * | 2016-07-23 | 2018-02-02 | 深圳格林德能源有限公司 | A kind of polymer Li-ion battery short-circuit test Anti-error method |
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2008
- 2008-03-14 CN CNU2008200329447U patent/CN201181325Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261312B (en) * | 2008-03-14 | 2010-06-09 | 无锡市南亚试验设备有限公司 | Battery safety performance comprehensive tester |
| CN102175973A (en) * | 2010-12-31 | 2011-09-07 | 东莞市海拓伟电子科技有限公司 | Battery protection testing instrument |
| CN102338860A (en) * | 2011-03-16 | 2012-02-01 | 肇庆理士电源技术有限公司 | Device for detecting miniature small and dense lead-acid accumulator |
| CN105633489A (en) * | 2016-03-04 | 2016-06-01 | 清华大学 | Package structure for internal short-circuit simulation of power battery |
| CN105826511A (en) * | 2016-03-04 | 2016-08-03 | 清华大学 | Packaged battery with internal short circuit function |
| CN105633489B (en) * | 2016-03-04 | 2018-08-03 | 清华大学 | The encapsulating structure of power battery internal short-circuit simulation |
| CN107656204A (en) * | 2016-07-23 | 2018-02-02 | 深圳格林德能源有限公司 | A kind of polymer Li-ion battery short-circuit test Anti-error method |
| CN106353198A (en) * | 2016-08-31 | 2017-01-25 | 无锡东恒新能源科技有限公司 | Lithium battery compression resistance testing table |
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