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    • 2. 发明专利
    • Gas sample chamber and gas concentration measuring device
    • 气体样品室和气体浓度测量装置
    • JP2013205052A
    • 2013-10-07
    • JP2012071040
    • 2012-03-27
    • Yazaki Corp矢崎総業株式会社Masahiro Kawasaki昌博 川崎
    • MIYAZAKI YOSHIROKAWASAKI MASAHIRO
    • G01N21/03G01N21/35
    • PROBLEM TO BE SOLVED: To provide a gas sample chamber and a gas concentration measuring device obtained at low costs, and improving detection sensitivity of gas concentration.SOLUTION: A gas concentration measuring device comprises a gas cell (2) having an inner peripheral surface formed in a cylindrical shape and with no irregular reflection prevention processing applied, and into which gas to be measured is charged, a light source (8) arranged at one end of the gas cell (2) to emit infrared ray, a sensor holder (6) arranged at the other end of the gas cell (2) and having a housing chamber (6a) having an opening part in contact with the other end of the gas cell (2), and an infrared ray sensor (10) housed at a deep part spaced from the opening part in the housing chamber (6a) of the sensor holder (6) to detect the infrared ray introduced through the inside of the gas cell (2) from the light source (8). Black body processing is applied to the inner surface of the housing chamber (6a) of the sensor holder (6).
    • 要解决的问题:提供一种低成本获得的气体样品室和气体浓度测量装置,并提高气体浓度的检测灵敏度。解决方案:一种气体浓度测量装置,包括形成有内周表面的气室(2) 并且没有施加不规则的反射防止处理,并且被测量的气体被充电,布置在气室(2)的一端处以发射红外线的光源(8),传感器保持器(6) ),并且具有容纳室(6a),所述容纳室具有与所述气室(2)的另一端接触的开口部,以及容纳在所述气室(2)的另一端的红外线传感器 深度部分与传感器保持器(6)的容纳室(6a)中的开口部分间隔开,以检测从光源(8)通过气室(2)内部引入的红外线。 黑体处理被施加到传感器保持器(6)的容纳室(6a)的内表面。
    • 3. 发明专利
    • Gas concentration measuring method and gas concentration measuring apparatus
    • 气体浓度测量方法和气体浓度测量装置
    • JP2012068110A
    • 2012-04-05
    • JP2010212660
    • 2010-09-22
    • Norio IbukiHajime InoueMasahiro KawasakiPlumtec Co Ltd元 井上紀男 伊吹昌博 川崎株式会社プラムテック
    • IBUKI NORIOKAWASAKI MASAHIROINOUE HAJIME
    • G01N21/3504G01N21/35
    • PROBLEM TO BE SOLVED: To provide a gas concentration measuring method and a gas concentration measuring apparatus capable of accurately measuring gas concentration in a short time.SOLUTION: A gas concentration measuring apparatus 1 includes: detection means 34 for detecting transmitted light quantity of fiber type Fabry-Perot etalon; temperature control means 302 for changing the temperature of the fiber type Fabry-Perot etalon within a set range; light quantity detection means 303 for detecting the maximum transmitted light quantity and minimum transmitted light quantity of the fiber Fabry-Perot etalon according to the change in the temperature; and concentration calculation means 304 for calculating the concentration of a gas based on a ratio of the maximum transmitted light quantity to the minimum transmitted light quantity and a Lambert-Beer law equation. Accordingly, the concentration of the gas can be accurately measured in a short time. The above can be applicable for a gas concentration measuring method.
    • 要解决的问题:提供能够在短时间内精确测量气体浓度的气体浓度测量方法和气体浓度测量装置。 气体浓度测量装置1包括:用于检测纤维型法布里 - 珀罗标准具的透射光量的检测装置34; 用于将纤维型法布里 - 珀罗标准具的温度改变到设定范围内的温度控制装置302; 光量检测装置303,用于根据温度变化检测纤维法布里 - 珀罗标准具的最大透射光量和最小透射光量; 以及浓度计算装置304,用于基于最大透射光量与最小透射光量的比率和朗伯 - 比尔方程计算气体的浓度。 因此,可以在短时间内精确地测量气体的浓度。 以上可适用于气体浓度测定方法。 版权所有(C)2012,JPO&INPIT