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发明公开
CN101360943A 带传感器的阀门 有权

带传感器的阀门
摘要：
根据本发明的一个实施例提供了一种阀门。该阀门包括活塞(104)、包围所述活塞(104)的外壳(106)、入口(108)、出口(110)、光源(112)和光传感器(114)，入口(108)能够容许流体进入阀门，出口(110)能够容许流体流出阀门，光源(112)能够发射指向活塞(104)的光，光传感器(114)能够测量从光源(112)接收的光的强度，所述强度基于所述活塞在外壳中的位置而变化。根据本发明的一个实施例还提供了一种活塞组件，其中光源(608)和光传感器(610)可用于确定活塞的位置。根据本发明的一个实施例提供了一种用于获得和分析操作状态信息的系统。根据所分析的操作状态可自动地采取动作。提供了一种用于自动地对阀门执行诊断操作的方法。基于诊断操作的输出可执行一种安全规程。
摘要（英）：

A valve is provided according to one embodiment of the invention. The valve comprises a piston (104), a housing (106) surrounding the piston (104), an inlet (108) capable of allowing fluid into the valve, an exhaust (110) capable of allowing fluid out of the valve, a light source (112) capable of emitting light directed at the piston (104), and a light sensor (114) capable of measuring an intensity of the light received from the light source (112), said intensity varying based on the position of the piston (104) within the housing (106). A piston assembly is also provided according to an embodiment of the invention, in which a light source 608 and a light sensor 610 may be used to determine the position of the piston. A system is provided for obtaining and analyzing operational status information is provided according to an embodiment of the invention. An action may be automatically taken depending on the analyzed operational status. A method is provided for automatically performing adiagnostic operation on a valve. A safety protocol may be executed based on the outcome of the diagnostic operation.

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