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    • 3. 发明授权
    • Intermittent drive controller for windshield wiper motor
    • 用于挡风玻璃刮水器电机的间歇驱动控制器
    • US4731566A
    • 1988-03-15
    • US940096
    • 1986-12-10
    • Yukio Takaishi
    • Yukio Takaishi
    • H02P29/00B60S1/08B60S1/48H02P3/12
    • B60S1/0807B60S1/482Y10S15/15Y10S318/02
    • An intermittent drive controller for a windshield wiper having a drive circuit for driving a wiper motor, a drive command circuit connected to the drive circuit by way of a semiconductor device, and a braking circuit related to the above circuits. When a wiper switch is operated, the wiper motor is driven, thereby starting the wiping movement of the wiper. When the wiper motor pauses, the motor switch outputs a pause signal, thereby instantly stopping the wiper motor. On the other hand, after a certain period of time has passed, a new drive command signal is supplied from the drive command circuit to the drive circuit, thereby driving the wiper motor again, thus effecting the intermittent drive control. This arrangement employs no electromagnetic relays so that it is free from noise which may generate when the wipe motor starts or stops and from malfunctions due to imperfect contact, thus improving the durability. Also it can positively control the wiper motor by braking the wiper at the moment in which the motor pauses.
    • 一种用于风挡刮水器的间歇驱动控制器,具有用于驱动刮水器电动机的驱动电路,通过半导体装置连接到驱动电路的驱动指令电路以及与上述电路相关的制动电路。 当刮水器开关被操作时,刮水器马达被驱动,从而开始擦拭器的擦拭运动。 当雨刷电机暂停时,马达开关输出暂停信号,从而立即停止刮水马达。 另一方面,经过一段时间后,从驱动指令电路向驱动电路供给新的驱动指令信号,从而再次驱动刮水器马达,进行间歇驱动控制。 这种布置不使用电磁继电器,使得其在擦拭电机启动或停止时可能产生的噪音以及由于不良接触导致的故障,从而提高耐久性。 此外,它可以通过在电机暂停的时刻制动刮水器来积极地控制刮水器电机。