首页>
外国专利>
BATTERY REMAINING POWER CALCULATING METHOD, BATTERY REMAINING POWER CALCULATING DEVICE, AND BATTERY REMAINING POWER CALCULATING PROGRAM
BATTERY REMAINING POWER CALCULATING METHOD, BATTERY REMAINING POWER CALCULATING DEVICE, AND BATTERY REMAINING POWER CALCULATING PROGRAM
展开▼
机译:电池剩余功率计算方法,电池剩余功率计算设备以及电池剩余功率计算程序
展开▼
页面导航
摘要
著录项
相似文献
摘要
A battery remaining power calculating method, battery remaining power calculating device, battery and remaining power calculating program for predicting the remaining power of a secondary battery with high accuracy by using a relatively simple circuit structure. The output voltage value of a second battery is measured. The use mode is divided into a high-consumption mode in which the output current is a predetermined threshold or more and a low-consumption mode in which the output current is below the predetermined threshold. In the low-consumption mode, the remaining power is calculated from the output voltage value and a predetermined reference voltage curve, which is a discharge characteristic of the secondary battery. In the high- consumption mode the remaining power is calculated assuming that the variation of the remaining power of when the low-consumption mode is changed to the high-consumption mode is almost zero. Alternatively, in the high-consumption mode, the remaining power may be calculated from a reference remaining power before the use mode is changed, the start voltage which is the output voltage when the high-consumption mode starts, a predetermined cutoff voltage of the secondary battery, and the output voltage value.
展开▼