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    • 2. 发明授权
    • Rain gauge
    • 雨量计
    • US3943762A
    • 1976-03-16
    • US514407
    • 1974-10-15
    • John Baer
    • John Baer
    • G01W1/14
    • G01W1/14
    • A rain gauge comprising a counter and a pivoted bi-stable receiver having two compartments and which is adapted to pivot between first and second limit positions. A collector operates to collect the rainwater and directs it into one or the other of the compartments depending upon where the receiver is positioned. When the operative receiver compartment accumulates a predetermined amount of water, for example water representative of one-tenth of an inch of rainfall, it pivots to the other limit position, placing the other compartment in the operative position, dumping the contents of the first compartment and actuating a counter which registers the increment of rainfall. The actuation of the counter is accomplished by applying an electrical pulse to the counter, the pulse being generated by the pivotal movement of the receiver. The pulse is generated by a sensor cooperating with and sensing receiver movement such as reed switch responsive over the middle range of its movement to a magnet carried by the receiver. Adjustable counterweight means are provided to adjust the balance of the receiver to enable accurate calibration of the gauge.
    • 一种雨量计,包括计数器和具有两个隔间的枢轴式双稳态接收器,其适于在第一和第二限位位置之间枢转。 收集器用于收集雨水,并将其引导到一个或另一个隔间中,这取决于接收器的位置。 当操作接收器室积聚预定量的水,例如代表十分之一英寸降雨的水时,它枢转到另一极限位置,将另一个隔间放置在操作位置,倾倒第一隔室的内容物 并启动一个记录降雨增量的计数器。 通过向计数器施加电脉冲来实现计数器的致动,该脉冲由接收器的枢转运动产生。 脉冲由与传感器协作并感测接收机移动产生,例如舌簧开关在其运动的中间范围内响应于由接收器携带的磁体。 提供可调节的配重装置来调整接收器的平衡,以便准确地校准仪表。