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    • 3. 发明申请
    • Resistive braking module with thermal protection
    • 具有热保护功能的电阻式制动模块
    • US20060050462A1
    • 2006-03-09
    • US10935012
    • 2004-09-07
    • Michael NelsonNathaniel HermanEdward Arguello
    • Michael NelsonNathaniel HermanEdward Arguello
    • H02H5/04
    • H02P3/22H02H5/047
    • A braking module includes a braking load, an input terminal, an output terminal, and control logic. The input terminal is adapted to receive a motor drive signal. The control logic is adapted to receive a motor enable signal, couple the output terminal to the input terminal responsive to the motor enable signal being asserted, couple the output terminal to the braking load responsive to the motor enable signal being deasserted, and prevent the coupling of the output terminal to the input terminal responsive to a temperature of the braking module exceeding a predetermined disable set point. A method for controlling a motor includes coupling a drive lead carrying a motor drive signal to a motor lead of the motor responsive to a motor enable signal being asserted. The motor lead is coupled to a braking load responsive to the motor enable signal being deasserted. The coupling of the drive lead to the motor lead is prevented responsive to a temperature of the braking load exceeding a predetermined disable set point.
    • 制动模块包括制动负载,输入端子,输出端子和控制逻辑。 输入端适于接收电动机驱动信号。 控制逻辑适于接收电动机使能信号,响应于电动机使能信号被断言将输出端耦合到输入端,响应于电动机使能信号被断言而将输出端耦合到制动负载,并且防止耦合 的输出端子响应于制动模块的温度超过预定的禁用设定点而输入到输入端子。 一种用于控制电动机的方法包括将承载马达驱动信号的驱动引线与电动机使能信号有效地耦合到马达的马达引线。 响应于电动机使能信号被断言,电机引线耦合到制动负载。 响应于超过预定的禁用设定点的制动负载的温度,阻止驱动引线与电机引线的耦合。