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    • 103. 发明授权
    • Press for fabrics
    • 按面料
    • US4897527A
    • 1990-01-30
    • US324991
    • 1989-03-17
    • Alan H. CrippsPeter Williams
    • Alan H. CrippsPeter Williams
    • D06F71/34G05D23/20
    • D06F71/34G05D23/1917G05D23/20
    • A fabric press comprises a press with a heating element (1) a temperature sensor (17), and a microprocessor based controller programmed to apply electrical power initially to the element for a boost period during which the press temperature is limited to a boost temperature, and then at the end of the boost period, to reduce the applied power and thereafter to control the power to maintain the press temperature substantially at a lower normal temperature. The controller comprises microprocessor (14) which supplied signals to a triac (12), the signals being timed to be applied at the zeros of the a.c. supply voltage and to switch the heater power for complete cycles of the supply voltage.
    • 织物压榨机包括具有加热元件(1)温度传感器(17)的压力机,以及基于微处理器的控制器,其被编程为最初将电力施加到所述元件上以将加压温度限制在升压温度下, 然后在升压期结束时,为了降低施加的功率,此后控制功率以将压机温度保持在较低的正常温度。 该控制器包括向三端双向可控硅开关元件(12)提供信号的微处理器(14),该信号被定时以等于交流输入端的零点施加。 电源电压并切换加热器电源以完成电源电压的周期。