Views: 0 Author: Site Editor Publish Time: 2022-11-07 Origin: Site
Energy storage batteries are more and more widely used because of their rechargeable and high energy density. The safety of chassis energy storage battery system is the bottleneck to inhibit the development of energy storage batteries and related industries such as new energy vehicles.
What are the functions of chassis energy storage battery system?
How to make fire prevention measures for chassis energy storage battery system?
What should be noticed during using chassis energy storage battery system?
Chassis energy storage battery system supplies power to the starting motor to start the vehicles.
When the generator is not working or the voltage is low, chassis energy storage battery system offers power to all electrical equipment.
When the voltage of silicon rectifier generator is higher than the battery voltage, chassis energy storage battery system stores the electric energy, that is, charge the battery to supplement the consumption of the battery.
When the load is too large and exceeds the power supply capacity of the generator, the auxiliary generator supplies power.
The fire prevention for chassis energy storage battery system needs to establish multiple lines of defense with strategic depth. In addition to using nonflammable or flame retardant materials inside the battery as much as possible to make the battery intrinsically safe, the first line of defense outside the chassis energy storage battery system is to prevent various inducements leading to overheating and ignition of the battery, such as overcharge, short circuit, and impact, which requires safety design of the electrical system.
If the chassis energy storage battery system temperature rise, the temperature sensor or gas and smoke detector in the monitoring system shall timely find the fault and give an alarm to remind the staff to deal with the fault and eliminate the fire inducement.
The fire protection system needs to limit the combustion to the chassis energy storage battery system box where the failure occurs, and isolate the adjacent unfired batteries and equipment to avoid the expansion of the fire. If the fire control fails, it is necessary to start the fixed water-based fire extinguishing system installed in the vehicle or wait for the fire brigade to extinguish the fire.
Pay attention to short circuit. Chassis energy storage battery system is prone to short circuit during charging, including internal and external short circuit. Although most chassis energy storage batteries now have short circuit protection circuits and explosion-proof wires, this protection circuit may not work in various cases. Also, the role of explosion-proof wires is also very limited.
Do not overcharge. If the charging time of chassis energy storage battery system is too long, the possibility of expansion will increase. The chemical property of battery is very active and easy to burn. When the chassis energy storage battery system is charged and discharged, the internal temperature of the battery continues to rise. The gas generated in the activation process expands. The internal pressure of the battery increases and the pressure reaches a certain degree. If there are scars on the shell, it will break, causing liquid leakage, fire and even explosion.
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