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31. 发明授权

US4295087A Charge indicator circuit for a battery charging system 失效
标题翻译：电池充电系统的充电指示电路
公开(公告)号：US4295087A
公开(公告)日：1981-10-13
申请号：US151734
申请日：1980-05-20
申请人： Mitsuharu Morishita , Yoshiyuki Iwaki
发明人： Mitsuharu Morishita , Yoshiyuki Iwaki
IPC分类号： G01R31/00 , H02J7/14 , H02J7/24
CPC分类号： H02J7/1461 , G01R31/006
摘要： A charge indicator circuit for a battery charging system is disclosed. The battery charging system comprises an alternator, a rectifier, a voltage regulator, and a battery. The rectifier comprises first and second rectified output terminals and a grounded rectified terminal. The field coil of the alternator is supplied by the second rectified output terminal of the rectifier. The regulator is coupled serially with the field coil and cuts off the field current when the voltage sensed at the second rectified output terminal exceeds a first predetermined level. The charge indicator circuit comprises a serial connection of a diode and an indicator lamp coupled between the second rectified output terminal and the battery, and a detector and switching network coupled between the junction between the lamp and the diode and a ground terminal. The detector and switching network detects the voltage at the second rectified output terminal and when the network senses the voltage at the second rectified output terminal to be less than a second predetermined level, which is set lower than the first predetermined level, the network becomes conductive to energize the lamp, which thus indicates the non-charged state of the battery.
摘要翻译：公开了一种用于电池充电系统的充电指示器电路。电池充电系统包括交流发电机，整流器，电压调节器和电池。整流器包括第一和第二整流输出端子和接地整流端子。交流发电机的励磁线圈由整流器的第二整流输出端提供。当在第二整流输出端检测到的电压超过第一预定电平时，调节器与励磁线圈串联耦合并切断励磁电流。充电指示电路包括耦合在第二整流输出端子和电池之间的二极管和指示灯的串联连接，以及耦合在灯和二极管之间的接点与接地端子之间的检测器和开关网络。检测器和开关网络检测第二整流输出端子处的电压，并且当网络感测到第二整流输出端子处的电压小于设定为低于第一预定电平的第二预定电平时，网络变为导通以激励灯，从而表示电池的未充电状态。

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