To provide a vehicle control device which can intercept electric current which flows a conducting wire adequately when excess current is flowing.SOLUTION: A vehicle control device 1 comprises a current detection unit 3 which detects electric current flowing in a conducting wire and then outputs a current detection value, a current interruption unit 4 which intercepts the electric current flowing in the conducting wire and a computing unit 7 which calculates a temperature rise value due to Joule heat of the conducting wire by using the current detection value, estimates environmental temperature of environment around which the conducting wire is wired on the basis of the temperature rise value, outside air temperature information of a vehicle, inside air temperature information within a cabin and solar radiation information and determines whether or not output of interruption indication of the electric current to the current interruption part 4 is necessary on the basis of temperature of the conducting wire estimated by using the environmental temperature.SELECTED DRAWING: Figure 1
【課題】過電流である時に、導線を流れる電流を適切に遮断できる車両制御装置を提供する。【解決手段】車両制御装置1は、導線に流れる電流を検出して、電流検出値を出力する電流検出部3と、導線に流れる電流を遮断する電流遮断部4と、電流検出値を用いて導線のジュール熱による温度上昇値を算出し、温度上昇値と、車両の外気温度情報と、車室内の内気温度情報と、日射情報とに基づいて導線が配線される環境の環境温度を推定し、環境温度を用いて推定した導線の温度に基づいて、電流遮断部4に対する電流の遮断指示の出力要否を判定する演算器7と、を備える。【選択図】図1
VEHICLE CONTROL DEVICE AND OVERHEATING PROTECTIVE DEVICE
車両制御装置及び過熱保護装置
20.10.2023
Patent
Elektronische Ressource
Japanisch
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