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    • 8. 发明授权
    • Temperature detecting device for a vehicular electromagnetic clutch
    • 一种用于车辆电磁离合器的温度检测装置
    • US5072165A
    • 1991-12-10
    • US542558
    • 1990-06-25
    • Munehiko Mimura
    • Munehiko Mimura
    • B60W10/02B60W10/04F16D48/06
    • F16D48/064F16D2500/1022F16D2500/10412F16D2500/3028F16D2500/30421F16D2500/3067F16D2500/3108F16D2500/5106F16D2500/70412F16D2500/70418F16D2500/7043F16D2500/70668F16D2500/7109
    • A novel and improved temperature detecting device for detecting the temperature of a vehicular clutch is disclosed which is able to provide an accurate voltage across the electromagnetic clutch by taking account of a voltage drop across power supply elements inside the clutch and a voltage drop in wiring due to a current flowing through the clutch, improve the accuracy in detection of the clutch temperature, and have high reliability and commerciality for vehicular use. To this end, a clutch voltage sensing element senses a voltage across an electromagnetic clutch. A clutch current calculating element generates a clutch current command signal, which controls the current supply to the electromagnetic clutch, and a clutch cut-off signal based on engine control information data and travel control information data of a vehicle. The clutch current calculating element calculates the electric resistance of the electromagnetic clutch based on the clutch voltage sensed by the clutch voltage sensing element and on the clutch current command signal so as to determine the actual temperature of the electromagnetic clutch. A clutch current controller controls the current supply to the electromagnetic clutch based on a deviation between the clutch current command signal and a current feedback signal representative of a clutch current flowing through the electromagnetic clutch, and on the clutch cut-off signal.
    • 公开了一种用于检测车辆离合器的温度的新型改进的温度检测装置,其能够通过考虑离合器内的电源元件上的电压降和电线中的电压降来提供跨越电磁离合器的精确电压 流过离合器的电流,提高离合器温度的检测精度,并且对于车辆使用具有高的可靠性和商业性。 为此,离合器电压感测元件感测电磁离合器两端的电压。 离合器电流计算元件基于车辆的发动机控制信息数据和行驶控制信息数据生成控制对电磁离合器的电流供给的离合器电流指令信号和离合器切断信号。 离合器电流计算元件基于由离合器电压检测元件感测的离合器电压和离合器电流指令信号来计算电磁离合器的电阻,以确定电磁离合器的实际温度。 离合器电流控制器基于离合器电流指令信号和表示流过电磁离合器的离合器电流的电流反馈信号之间的偏差,以及离合器切断信号来控制对电磁离合器的电流供应。