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    • 5. 发明申请
    • Melt Pressure Sensor
    • 熔体压力传感器
    • US20120278009A1
    • 2012-11-01
    • US13098409
    • 2011-04-30
    • Robert W. MatthesDavid A. Topmiller
    • Robert W. MatthesDavid A. Topmiller
    • G06F19/00G01L7/00
    • G01L19/0645G01L19/0681
    • A melt pressure sensor comprises a housing, a stem, a pressure sensing element, a time-to-digital converter, a processor, a digital-to-analog converter, and a first input. The stem comprises a pressure sensing surface fluidly coupled to a molten material. The pressure sensing surface is mechanically or fluidly coupled to the pressure sensing element, and the pressure sensing element is electrically coupled to the time-to-digital converter, which determines the melt pressure by measuring an electrical characteristic of the pressure sensing element. The processor reads the pressure from the time-to-digital converter and outputs an analog output value from the digital-to-analog converter representative of the melt pressure. When the first input is activated, the processor causes the analog output signal to have a predetermined value.
    • 熔体压力传感器包括壳体,杆,压力感测元件,时间 - 数字转换器,处理器,数模转换器和第一输入。 杆包括流体耦合到熔融材料的压力感测表面。 压力感测表面机械地或流体地耦合到压力感测元件,并且压力感测元件电耦合到时间 - 数字转换器,其通过测量压力感测元件的电特性来确定熔体压力。 处理器读取时间 - 数字转换器的压力,并从代表熔体压力的数模转换器输出模拟输出值。 当第一输入被激活时,处理器使得模拟输出信号具有预定值。