| 摘要 |
An automobile emergency starting power supply, comprising: a battery pack module (1), a load end (2), a circuit breaker protection module, and a control device (5); the circuit breaker protection module comprises a first stage circuit breaker and a second stage circuit breaker (4) connected in series between the battery pack module and the load end, the first stage circuit breaker comprising a relay (3), and the second stage circuit breaker comprising a plurality of parallel thermistors (41); the circuit breaker protection module further comprises a plurality of parallel heating resistors (42) disposed adjacent to each thermistor; the control device (5) controls the relay and the plurality of heating resistors. The automobile emergency starting power supply can prevent reverse charging of a multi-component lithium battery, over-current discharging and battery overheating to ensure system safety. |
