Temperature control battery short circuit
Scope of application:
The battery short circuit tester is mainly suitable for battery manufacturers, battery users, new energy vehicle manufacturers, research institutes, colleges and universities, etc. It is used to simulate the battery to perform forced internal short circuit tests under certain ambient temperature conditions or to perform extrusion tests under certain temperature conditions.
Experimental purpose:
This equipment is designed based on various battery short-circuit test standard requirements. According to the standard requirements, the short-circuit device must meet the internal resistance range of 80±20mΩ (or ≤10mΩ) to obtain the maximum short-circuit current required by the test; in addition, the circuit design of the short-circuit device must also be able to withstand the impact of large currents, so we selected industrial-grade DC electromagnetic contactors and all-copper terminals and internal copper plates for current conduction. The wide and thick copper plates effectively improve the heat dissipation effect, making the large current short-circuit device safer, effectively reducing the loss of the test equipment, and ensuring the accuracy of the test data.
Experimental conditions:
(1) Ambient temperature: 25±5℃;
(2) Relative humidity: 45-85%RH;
(3) Atmospheric pressure: 86～106KPa;
(4) No direct sunlight or other direct radiation from heat sources;
(5) No strong vibration around;
Compliance standards:
(1) GB/T 31485-2015 《Safety requirements and test methods for power batteries for electric vehicles》
(2) GB/T 31241-2014 《Safety requirements for lithium-ion batteries and battery packs for portable electronic products》
(3) UN38.3 《United Nations Manual of Tests and Criteria for the Transport of Dangerous Goods》
(4) IEC62133 《Safety requirements for batteries (packs) composed of cells and used in portable devices》
(5) UL 1642:2012 《Lithium Battery Standard》
(6) UL 2054: 2012 《Household and Commercial Battery Packs》
(7) IEC 62281: 2004 《Safety requirements for lithium primary cells and batteries in transportation》
Product parameter table
| Voltage accuracy | ±0.5%FＳ, this number is based on the voltage value under normal conditions |
| Time resolution | When sampling data, the minimum accuracy unit is 50ms |
| Working voltage | AC 220 V, 50 hz-60 Hz |
| Measurable battery voltage | 100V |
| DC response time | ≤ 5 μ s |
| Short-circuit current | 1000A |
| Device loop resistance | 80±20mΩ (or ≤10mΩ) |
| Action time | Pull-in time/release time ≯30ms |
| Box temperature range | Normal temperature~150 degrees (normal temperature/high temperature) |
| Test box dimensions | 500*500*500 |
| Mechanical life | 300000 times |
| Power supply | AC220V , 50HZ |
| Equipment power | 2.5KW |
