OPTICAL SENSING SYSTEM FOR DETERMINING HYDROGEN PARTIAL PRESSURE
    1.
    发明申请
    OPTICAL SENSING SYSTEM FOR DETERMINING HYDROGEN PARTIAL PRESSURE 审中-公开
    用于确定氢气部分压力的光学传感系统

    公开(公告)号:WO2016184792A8

    公开(公告)日:2017-06-15

    申请号:PCT/EP2016060805

    申请日:2016-05-13

    Applicant: ABB SCHWEIZ AG

    Abstract: An optical sensing system for sensing hydrogen in a fluid comprising a first optical sensor comprising a first optical fiber, wherein an end portion of the first optical fiber is coated with a first hydrogen- sensitive multilayer on an end surface perpendicular to a longitudinal axis of the first optical fiber, the first multilayer being adapted to change its optical properties dependent on a hydrogen partial pressure in the fluid and dependent on a temperature of the fluid, with a known first characteristic; a second optical sensor comprising a second optical fiber, wherein an end portion of the second optical fiber is coated with a second hydrogen-sensitive multilayer on an end surface perpendicular to the longitudinal axis of the second optical fiber, the second multilayer being adapted to change its optical properties dependent on the hydrogen partial pressure in the fluid and dependent on a temperature of the fluid, with a known second characteristic which is different from the first characteristic; at least one light source adapted for coupling light into the first optical fiber and the second optical fiber, at least one light detector adapted for detecting light reflected by the first and second multilayer, a control unit adapted for calculating the hydrogen partial pressure in the fluid by using the first characteristic and the second characteristic and an output signal of the at least one light detector.

    Abstract translation: 一种用于感测流体中的氢的光学感测系统,包括:包括第一光纤的第一光学传感器,其中第一光纤的端部在垂直于第一光学传感器的纵轴的端面上涂覆有第一氢敏感多层 第一光纤,所述第一多层适于利用已知的第一特性改变其光学特性,所述光学特性取决于所述流体中的氢分压并取决于所述流体的温度; 包括第二光纤的第二光学传感器,其中第二光纤的端部在垂直于第二光纤的纵轴的端表面上涂覆有第二氢敏多层,第二多层适于改变 其光学性质取决于流体中的氢分压并取决于流体的温度,具有与第一特性不同的已知的第二特性; 适于将光耦合到第一光纤和第二光纤中的至少一个光源,适于检测由第一和第二多层反射的光的至少一个光检测器,适于计算流体中的氢分压的控制单元 通过使用第一特性和第二特性以及至少一个光检测器的输出信号。

    Optical sensor for detecting hydrogen in fluid and use of thin alloy film in the hydrogen sensor
    3.
    发明授权
    Optical sensor for detecting hydrogen in fluid and use of thin alloy film in the hydrogen sensor 有权
    Optischer Sensor zur Detektion von Wasserstoff in einem Fluid und Verwendung einesdünnenLegierungsfilms in dem Wasserstoffsensor

    公开(公告)号:EP2988116B8

    公开(公告)日:2017-06-07

    申请号:EP14181427

    申请日:2014-08-19

    Applicant: ABB SCHWEIZ AG

    Abstract: An optical sensor for detecting hydrogen in a fluid in physical contact with the sensor is provided. The sensor comprises an optical fiber, wherein an end portion of the optical fiber is coated with a multilayer comprising: a sensing layer, comprising a film of an alloy, the alloy comprising Mg, Ni, and M, wherein M is at least one of Zr, Ta, and Hf, and wherein the alloy has the composition Mg x Ni y M z , and wherein x is from 40 to 60, y is from 10 to 40, and z is from 10 to 40, and a catalyst layer comprising Pd. Further, a detection system for hydrogen, comprising such an optical sensor, and an electrical device having such a detection system are provided.

    Abstract translation: 提供了用于检测与传感器物理接触的流体中的氢的光学传感器。 所述传感器包括光纤,其中所述光纤的端部涂覆有多层,所述多层包括:感测层,所述感测层包括合金膜,所述合金包含Mg,Ni和M,其中M是以下中的至少一个: Zr,Ta和Hf,并且其中所述合金具有组成Mg x Ni y M z,并且其中x为40-60,y为10-40,z为10-40,催化剂层包含 钯。 此外,提供了一种包括这种光学传感器的用于氢的检测系统,以及具有这种检测系统的电子设备。

Patent Agency Ranking