Lithium battery maintenance board can play the effect of charging and discharging maintenance for series and parallel connected battery packs, and at the same time can detect the over-voltage, over-current, over-temperature, under-voltage and short-circuit of each single battery in the battery pack to extend the service life of the battery and avoid damage to the battery due to over-discharge. Lithium battery maintenance board is an indispensable component of lithium battery.
What is the effect of lithium battery maintenance board and battery handling system? What is the primary difference
Lithium battery maintenance board also has the effect of equalization maintenance, there are two methods of energy-consuming and energy-transferring. Energy-consuming equalization refers to a certain battery with high power or voltage in multiple strings of batteries, and the remaining power is lost with resistance. Energy-consuming equalization is also divided into charging equalization, voltage fixed-point equalization, and static active equalization.
Charging equalization: When charging, when the voltage of any one battery is higher than all the uniform voltage, the maintenance board will start the equalization maintenance.
Voltage fixed point equalization: The Li-ion battery maintenance board is fixed on a voltage point to start equalization, only at the end of the battery charging, the equalization time is shorter.
Static active equalization: in the process of charging or discharging, even if the battery is in a static shelving situation, when the voltage is not consistent, the lithium battery maintenance board will start equalization maintenance until the voltage remains consistent.
Transfer energy type is to let the large-capacity battery transfer to the small-capacity battery by the method of energy storage to detect the capacity of the battery to do equalization, divided into capacity equalization from time to time and capacity fixed point equalization.
Battery Management System
Battery Management System (BatteryManagementSystem), referred to as BMS, has the function of measuring the battery voltage, but also contains the battery maintenance function, battery balance function, battery reserve function, energy measurement function, network communication function, etc.. The battery handling system can avoid abnormal conditions such as over-discharge, over-charge and over-temperature of the battery.
As the lithium battery may damage the battery function under severe overcharge and overdischarge, and even the risk of explosion, the battery handling system exists to monitor, maintain and balance the lithium battery, so as to improve the efficiency of the lithium battery.
The similarities and differences between lithium battery maintenance board and battery handling system BMS
Li-ion battery maintenance board and battery handling system both play a maintenance effect on the lithium battery. The differences between them are.
1. Lithium battery maintenance board is composed of IC, MOS tube and resistor, capacitor components, is an important component of the lithium battery. Battery handling system can be edited and comes with battery handling software, relatively more intelligent, equivalent to the brain of the lithium battery, play a control effect.
2. Lithium battery maintenance board has an important effect in the field of 3C lithium batteries and power batteries, and the battery handling system is used in the field of power batteries.
3. The battery handling system is better than the battery maintenance board, but the function is not stable in low temperature.
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