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2. 发明公开

EP3009667A1 ENGINE START-UP DEVICE, AND ENGINE-START-UP CONTROL METHOD 审中-公开
标题翻译：摩托罗拉VORRICHTUNG STEUERUNGSVERFAHRENFÜRMOTORSTARTVORRICHTUNG
公开(公告)号：EP3009667A1
公开(公告)日：2016-04-20
申请号：EP14810127.2
申请日：2014-05-16
申请人： Hitachi Automotive Systems, Ltd.
发明人： KUNIYOSHI, Hiroyasu , OMATA, Shigehiko , NAGASAWA, Yoshiaki , WATANABE, Masanori
IPC分类号： F02N11/08
CPC分类号： F02N11/0862 , F02N11/0814 , F02N11/087 , F02N15/02 , F02N15/067 , F02N2011/0874 , F02N2011/0888 , F02N2200/022 , F02N2200/041 , F02N2200/063 , F02N2250/02 , F02N2300/106 , F02N2300/108 , H02P1/04
摘要： The purpose of the present invention is to swiftly start up an engine in a range in which electrical equipment having electric power supplied thereto by a battery is not reset, even in cases when the battery is insufficiently charged and the battery is deteriorated. An engine start-up device according to the present invention starts up an engine by transmitting, to the engine, the rotary force of a direct-current motor driven by a battery. The engine start-up device is provided with: a battery-voltage acquisition unit for acquiring the battery voltage of the battery; a target-current-value calculation unit which calculates, on the basis of the battery voltage acquired by the battery-voltage acquisition unit, a target current value for a motor current to be supplied from the battery to the direct-current motor; and a motor-current control unit for controlling a switching element which is connected to the direct-current motor, and through which the motor current flows, such that the motor-current value of the motor current approaches the target current value.
摘要翻译：本发明的目的是即使在电池充电不足，电池劣化的情况下，也可以在电池供给电力的电力设备未被复位的范围内迅速起动发动机。根据本发明的发动机起动装置通过向发动机传递由电池驱动的直流电动机的旋转力来启动发动机。发动机启动装置具有：电池电压获取单元，用于获取电池的电池电压; 目标电流值计算单元，其基于由电池电压获取单元获取的电池电压，计算从电池向直流电动机供给的电动机电流的目标电流值; 以及电动机电流控制单元，用于控制连接到所述直流电动机的开关元件，并且所述电动机电流流过所述开关元件，使得所述电动机电流的电动机电流值接近所述目标电流值。

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