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    • 1. 发明公开
    • VARIABLE ANALOG OUTPUT PRESSURE SWITCH
    • 可变模拟输出压力开关
    • KR20070096887A
    • 2007-10-02
    • KR20070028552
    • 2007-03-23
    • MICRO PNEUMATIC LOGIC INC
    • SEVERSON STEVE
    • H01H35/34H01H35/24
    • G01L9/0076G01L19/12
    • A variable analog pressure switch is provided to generate an analog output rather than a binary output by adjusting a magnitude of an output signal corresponding to an intensity of a light, which is detected by an optical detector. A variable analog pressure switch includes a diaphragm(4), a plunger(8) and an optical detector(12). The diaphragm detects a variation of an applied pressure. The plunger is coupled with the diaphragm and is pressed by the pressure, which is applied on the diaphragm. An optical source is arranged at one side of the plunger. The optical detector is arranged at the other side of the plunger to detect an intensity of the light from the optical source. The analog switch provides an analog output, which is varied by the detected intensity.
    • 提供可变模拟压力开关以通过调整与由光学检测器检测到的光的强度相对应的输出信号的幅度来产生模拟输出而不是二进制输出。 可变模拟压力开关包括隔膜(4),柱塞(8)和光学检测器(12)。 隔膜检测施加压力的变化。 柱塞与隔膜联接,并被施加在隔膜上的压力按压。 光源设置在柱塞的一侧。 光学检测器布置在柱塞的另一侧以检测来自光源的光的强度。 模拟开关提供一个模拟输出,该模拟输出可通过检测到的强度而变化。
    • 5. 发明公开
    • 온도보상센서를 구비한 광섬유 기반 토압계
    • 基于具有温度补偿传感器的光纤的接地压力检测装置
    • KR1020130017561A
    • 2013-02-20
    • KR1020110080061
    • 2011-08-11
    • 주식회사 이제이텍
    • 노원석서기원
    • G01L11/02G01B11/16E02D31/10
    • G01L11/02E02D31/10G01L1/242G01L9/0076G01N2201/088
    • PURPOSE: An optical fiber based earth pressure gauge with a temperature compensation sensor is provided to precisely measure changes in earth pressure by compensating sensor errors caused by changes in temperature. CONSTITUTION: An optical fiber based earth pressure gauge with a temperature compensation sensor comprises a hydraulic tank(100) and an earth pressure sensor unit(200). The hydraulic tank stores predetermined fluid. The earth pressure sensor unit comprises a diaphragm, a first optical fiber sensor, a second optical fiber sensor, and a housing unit. The diaphragm is connected to the hydraulic tank by a flow passage, thereby detecting pressure added on the fluid. The first optical fiber sensor is joined to the diaphragm and measures the deformation of the diaphragm. The second optical fiber sensor is serially connected to the first optical fiber sensor and utilized for compensating temperature. The housing unit protects the first and second optical fiber sensors.
    • 目的:提供带有温度补偿传感器的基于光纤的土压力表,通过补偿由温度变化引起的传感器误差来精确测量土压力的变化。 构成:具有温度补偿传感器的基于光纤的土压力计包括液压箱(100)和地压传感器单元(200)。 液压箱储存预定流体。 地压传感器单元包括隔膜,第一光纤传感器,第二光纤传感器和壳体单元。 隔膜通过流路连接到液压箱,从而检测加在流体上的压力。 第一光纤传感器连接到隔膜并测量隔膜的变形。 第二光纤传感器串联连接到第一光纤传感器并用于补偿温度。 壳体单元保护第一和第二光纤传感器。
    • 8. 发明授权
    • 유체압력측정장치
    • 血压测量装置
    • KR1019900003166B1
    • 1990-05-09
    • KR1019810004775
    • 1981-12-05
    • 버나드,모리스,장,로베르꾸쏀
    • 보나드,모리스,장,로베르
    • G01L7/18
    • G01L9/0076A61B5/021A61B2562/02G01L9/0007
    • The device picks off a pressure, partic., of a fluid, for use either for measuring or for transcodable signals. It comprises a capsule (1) with an opening (2) closed by a flexible membrane (4) accessible to the pressure to be picked off, capsule containing a non-compressible liquid (5). A compressible elastic piece, positioned opposite the opening (2) and exerting a calibrated and invariable counter pressure on the non-compressible liquid ensures automatic and instantaneous returning of the flexible membrane to close the opening. The elastic compressible piece be formed by an air pocket (7) which may be separated from the opaque noncompressible liquid by a non- compressible transparent liquid (23).
    • 该装置拾取流体的压力,用于测量或用于可转码信号。 它包括一个具有开口(2)的胶囊(1),所述开口(2)由柔性膜(4)封闭,可接近待拾取的压力,胶囊含有不可压缩的液体(5)。 与开口(2)相对设置并在不可压缩液体上施加经校准且不变的反压力的可压缩弹性件确保柔性膜的自动和即时返回以关闭开口。 弹性可压缩片由气袋(7)形成,气囊(7)可以通过不可压缩的透明液体(23)与不透明的不可压缩液体分离。