To provide a charging rate calculation device and a vehicle, which can calculate SOC with high accuracy.SOLUTION: A charging rate calculation device 10 includes a secondary battery 12, a voltage detection unit 22 for detecting a voltage value of the secondary battery 12, a current detection unit 16 for detecting a current value of the secondary battery 12, and a control unit 18 for integrating the current value to calculate SOC. The control unit 18 calculates the SOCfor correction by a calculation method different from the SOCwhen a prescribed correction condition is established. The control unit corrects the SOC by more intensively reflecting the SOCfor correction as an elapsed time from a previous correction execution is longer.SELECTED DRAWING: Figure 1
【課題】高い精度でSOCを算出することができる充電率算出装置及び車両を提供する。【解決手段】充電率算出装置10は、二次電池12と、二次電池12の電庄値を検出する電圧検出部22と、二次電池12の電流値を検出する電流検出部16と、電流値を積算してSOCIを算出する制御部18と、を備え、制御部18は、既定の補正条件が成立した場合にSOCIとは異なる算出手法で補正用SOCCを算出し、前回の補正実施時からの経過時間が長い程、補正用SOCCをSOCに大きく反映させてSOCの補正をする。【選択図】 図1
CHARGING RATE CALCULATION DEVICE AND VEHICLE
充電率算出装置及び車両
13.02.2020
Patent
Elektronische Ressource
Japanisch
IPC: | G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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