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热词
    • 4. 发明公开
    • Voltage control for battery powered motor or the like
    • Spannungsregelungfürbatteriebetriebene Motoren oder dergleichen。
    • EP0302477A2
    • 1989-02-08
    • EP88112651.0
    • 1988-08-03
    • Tennant Company
    • Field, Bruce F.Mason, Richard A.Waldhauser, Steven J.A.
    • B60L11/18H02P7/18
    • B60L11/1853B60L11/1866B60L2200/44B60L2240/421B60L2240/427B60L2250/16B60L2270/142H02J7/0019Y02P90/60Y02T10/642Y02T10/7005Y02T10/7061Y10T307/50Y10T307/56Y10T307/724
    • A method of control and a control circuit for use in connecting all or sub-parts of a battery supply to a battery driven motor includes relays connected between a motor and each sub-part of a battery supply; a timer having a predetermined time period and which changes its output condition at the end of each time period; a motor speed selector for selecting either full motor speed or a portion thereof; and a switch arrangement which interconnects the relays, timer and motor speed selector. The switch arrangement provides for a first sub-part of the battery supply to be connected to the motor when the selector is in a less than full speed position and when the timer has one output condi­tion. A second sub-part of the battery supply is connected to the motor when the selector is in a less than full speed position and the timer has a second output condition. The relays connect the full battery supply to the motor when the selector is in a full speed position.
    • 一种用于将电池电源的全部或多个部分连接到电池驱动电动机的控制和控制电路的方法包括连接在电动机和电池电源的每个子部分之间的继电器; 具有预定时间段并在每个时间段结束时改变其输出条件的定时器; 用于选择整个电动机速度或其一部分的电动机速度选择器; 以及将继电器,定时器和电动机速度选择器互连的开关装置。 当选择器处于小于全速位置时,以及当定时器具有一个输出状态时,开关装置提供电池供应的第一子部分连接到电动机。 当选择器处于小于全速位置并且定时器具有第二输出状态时,电池电源的第二子部分连接到电动机。 当选择器处于全速位置时,继电器将全部电池电源连接到电机。