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    • 10. 发明授权
    • Load size detection in a fabric dryer
    • 织物干燥器中的负载尺寸检测
    • US06819255B2
    • 2004-11-16
    • US10254339
    • 2002-09-25
    • Fredrick E. Chernetski
    • Fredrick E. Chernetski
    • G08B2100
    • D06F39/003D06F2202/12
    • An apparatus for determining an approximate mass of a fabric load in an automatic clothes dryer wherein the dryer utilizes a motor including a centrifugal switch which closes upon the motor achieving a predetermined speed at a start of the motor. A timer device is provided which is capable of timing intervals of time measured in milliseconds. A current detecting mechanism is arranged in a current supply line for the dryer motor and is arranged to start the timer upon detecting a start of the dryer motor. A voltage measuring mechanism is arranged at a power supply for the motor to provide a voltage measurement. An arrangement is provided to detect the closure of the centrifugal switch of the motor and is arranged to stop the timer upon detecting the closure of the centrifugal switch to provide a start time. A calculating device is provided for receiving the start time and the voltage measurement and for providing a calculated mass of the fabric load in the dryer. This calculated mass can have a variety of uses, including determining an approximate drying time for the fabric load utilizing a calculating device and a predetermined formula.
    • 一种用于确定自动干衣机中织物负载的近似质量的装置,其中所述干燥器利用电动机,所述电动机包括离合器开关,所述离心开关在所述电动机起动时在所述电动机上闭合以达到预定速度。 提供一种定时器装置,其能够以毫秒为单位测量的时间间隔。 电流检测机构布置在用于干燥器电动机的电流供应管线中,并且被布置成在检测到干燥器电动机的启动时启动定时器。 在电动机的电源上设置电压测量机构,以提供电压测量。 提供了用于检测电动机的离心开关的关闭的装置,并且被布置成在检测到离心开关的关闭以停止定时器以提供开始时间。 提供了一种计算装置,用于接收开始时间和电压测量,并提供计算出的干燥器中织物载荷的质量。 该计算的质量可以具有各种用途,包括利用计算装置和预定公式确定织物负载的近似干燥时间。