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    • 2. 发明授权
    • Digital disdrometer
    • 数字量测仪
    • US4477917A
    • 1984-10-16
    • US247940
    • 1981-03-26
    • Denis P. Donnelly
    • Denis P. Donnelly
    • G01B7/02G01N15/02G01N27/00
    • G01N15/0266G01B7/02
    • A plurality of thin, conductive wires are stretched across the open center of a frame through which the liquid drops to be measured will fall. Adjacent wires are maintained at a potential difference with respect to each other so that when the wires are momentarily connected by a passing conductive drop, the potential of one rises while that for the other falls. The wires are connected to circuitry which detects the change in potential in each individual wire and stores an indication of such change for later use. By counting the number of adjacent wires whose potential has changed, and knowing the dimensions of the wires and the spacing between them, it is possible to calculate drop size to accuracies dependent upon the design dimensions chosen for the device.
    • 多个薄的导电线穿过框架的开放中心被拉伸,待测量的液滴将通过该中心下降。 相邻的导线相对于彼此保持在电位差,使得当导线通过通过的导电滴瞬间连接时,一个电位升高而另一个下降。 电线连接到检测每个单独电线中的电位变化的电路,并存储这种变化的指示以供稍后使用。 通过计数其电位已经变化的相邻线的数量,并且知道导线的尺寸和它们之间的间距,可以根据为器件选择的设计尺寸来计算液滴尺寸到精度。