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1. 发明专利

JP2009243954A Exhaust gas analyzer and analyzing method 审中-公开
标题翻译：排气分析仪和分析方法
公开(公告)号：JP2009243954A
公开(公告)日：2009-10-22
申请号：JP2008088206
申请日：2008-03-28
申请人： Mitsubishi Heavy Ind Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 三菱重工業株式会社
发明人： MATSUMOTO SEIICHI , YAMAKAGE MASAHIRO , FUKADA SEI , DEGUCHI YOSHIHIRO , ASAUMI SHINICHIRO
IPC分类号： G01N21/35 , F02D35/00 , G01N21/3504 , G01N21/359
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas analyzer which enhances the detection precision of the spectrum intensity of an absorption spectrum and in its turn enhances the measuring precision of the concentration of a component in an exhaust gas, and an exhaust gas analyzing method. SOLUTION: An exhaust gas analyzer has a laser beam source 60 for emitting a laser beam of a plurality of wavelengths and dividing the laser beam into the measuring laser beam guided to a measuring part 5 and the reference laser beam guided to the measuring part 5 to supply the same, a difference type photodetector 66 for calculating the difference signal of the receiving signal of the measuring laser beam and the reference laser beam to detect the absorption spectrum of the laser beam absorbed into the exhaust gas, an absorption spectrum adjusting part 71 for adjusting the absorption spectrum so that the maximum value of the difference signal calculated by the difference type photodetector 66 becomes a present upper limit set value and a component concentration calculation part 72 for calculating the concentration of the component in the exhaust gas using the absorption spectrum adjusted by the absorption spectrum adjusting part 71. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种提高吸收光谱的光谱强度的检测精度的排气分析装置，从而提高排气中的成分浓度的测定精度，分析方法。解决方案：排气分析仪具有用于发射多个波长的激光束的激光束源60，并将激光束分成被引导到测量部分5的测量激光束，并将参考激光束引导到测量用于计算测量激光束的接收信号和参考激光束的差分信号的差分型光电检测器66，用于检测吸收到排气中的激光束的吸收光谱，吸收光谱调节用于调节吸收光谱的部分71，使得由差分型光电检测器66计算的差分信号的最大值成为当前上限设定值，以及分量浓度计算部72，用于计算排气中的成分浓度，吸收光谱由吸收光谱调节部分71调节。版权所有：（C）2010，JPO＆INPIT

2. 发明专利

JP2013061358A Exhaust gas analyzer and exhaust gas analyzing method 审中-公开
标题翻译：排气分析仪和排气分析方法
公开(公告)号：JP2013061358A
公开(公告)日：2013-04-04
申请号：JP2013001881
申请日：2013-01-09
申请人： Toyota Motor Corp , トヨタ自動車株式会社 , Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： MATSUMOTO SEIICHI , YAMAKAGE MASAHIRO , FUKADA SEI , ASAUMI SHINICHIRO , DEGUCHI YOSHIHIRO , MUTA KENJI , FUKUDA NORIHIRO
IPC分类号： G01N21/3504 , G01N21/35
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas analyzer with improved accuracy of detecting an actually-measured temperature and measuring the concentration of a component in the exhaust gas, and to provide an exhaust gas analyzing method.SOLUTION: The exhaust gas analyzer includes: a measuring part 5 that irradiates exhaust gas in an exhaust passage 3 with a laser beam and receives the laser beam passing through the exhaust gas; a temperature sensor 55 arranged in the exhaust passage 3 on the upstream of the measuring part 5 to detect an actually-measured temperature T1 of the exhaust gas in the exhaust passage 3; a differential optical detector 64 that detects an absorption spectrum of the laser beam absorbed in the exhaust gas, on the basis of the laser beam received in the measuring part 5; a temperature calculation part 70 that calculates a theoretical temperature T2 of the exhaust gas, on the basis of the absorption spectrum detected by the differential optical detector 64; and a component concentration calculation part 73 that calculates the component concentration C of the exhaust gas by use of the actually-measured temperature T1 detected by the temperature sensor 55 when the concentration of a predetermined component in the exhaust gas is low, or by use of the theoretical temperature T2 calculated by the temperature calculation part 70 when the concentration of the predetermined component in the exhaust gas is high.
摘要翻译：要解决的问题：为了提供一种废气分析仪，其具有提高的检测实际测量温度的精度并测量废气中的组分的浓度，并提供废气分析方法。解决方案：废气分析仪包括：测量部分5，其用激光束照射排气通道3中的废气并接收通过废气的激光束; 布置在测量部件5上游的排气通道3中的温度传感器55，以检测排气通道3中排气的实测温度T1; 基于接收在测量部5中的激光束，检测吸收在排气中的激光束的吸收光谱的差分光检测器64; 基于由差分光检测器64检测的吸收光谱计算排气的理论温度T2的温度计算部70; 以及成分浓度计算部73，当废气中的规定成分的浓度低时，利用由温度传感器55检测到的实测温度T1来计算废气的成分浓度C，或者使用当排气中的预定组分的浓度高时由温度计算部70计算的理论温度T2。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2008203049A Sensor for exhaust gas analysis 有权
标题翻译：用于排气分析的传感器
公开(公告)号：JP2008203049A
公开(公告)日：2008-09-04
申请号：JP2007038609
申请日：2007-02-19
申请人： Mitsubishi Heavy Ind Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 三菱重工業株式会社
发明人： OKADA TAKAHIRO , YAMAKAGE MASAHIRO , IWASE MICHIYASU , MUTA KENJI , DEGUCHI YOSHIHIRO , TAURA MASAZUMI , KATO EIJI , FUKADA SEI , TSUZUKI EI , SHIMIZU HIROSHI
IPC分类号： F02D35/00 , G01N21/3504
摘要： PROBLEM TO BE SOLVED: To provide a sensor for exhaust gas analysis that has the measurement accuracy of exhaust gas improved by reducing the looseness of fixing of a reflector due to the temperature deformation of a sensor body or the like. SOLUTION: In this sensor 4 for exhaust gas analysis, the sensor body 40, having an exhaust gas passing port 41 for passing the exhaust gas discharged from an engine 20, is provided with an irradiation section 5 for having a laser beam for analysis irradiated toward the inside of the exhaust gas passing port 41; a reflector unit 6 having a reflector 60 for multiply reflecting the laser beam irradiated from the irradiation section 5, and a light-receiving section 7 for receiving the laser beam that has transmitted through the exhaust gas. The reflector 60 is fastened to a sensor body 40, through a screw member 66 inserted from the outside of the sensor body 40 directed toward the inside of the exhaust gas passage port 41. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种排气分析用传感器，其通过减少由于传感器体等的温度变形引起的反射器的固定松动而提高废气测量精度。解决方案：在用于废气分析的传感器4中，具有用于使从发动机20排出的废气通过的排气通过口41的传感器体40设置有照射部5，其具有用于分析物朝向废气通过口41的内部照射; 具有反射器60的反射器单元6，用于对照射部分5照射的激光束进行多重反射;以及光接收部分7，用于接收透射通过废气的激光束。反射器60通过从传感器主体40的外侧插入排气通道端口41的内部的螺钉构件66紧固到传感器主体40上。（C）2008，JPO＆INPIT

4. 发明专利

JP2007322214A Sensor unit in exhaust gas analyzer 有权
标题翻译：废气分析仪传感器单元
公开(公告)号：JP2007322214A
公开(公告)日：2007-12-13
申请号：JP2006151536
申请日：2006-05-31
申请人： Mitsubishi Heavy Ind Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 三菱重工業株式会社
发明人： IWASE MICHIYASU , GOTO KATSUTOSHI , YAMAKAGE MASAHIRO , OKANO TOKIO , DEGUCHI YOSHIHIRO , DANNO MINORU , TAURA MASAZUMI , WATANABE MASANARI , FUKADA SEI
IPC分类号： G01N21/61 , F02D35/00
CPC分类号： G01N21/031 , G01N21/0332 , G01N21/3504 , G01N2021/158 , G01N2201/08
摘要： PROBLEM TO BE SOLVED: To inexpensively provide a sensor unit in an exhaust gas analyzer attached compatibly with different sizes of inner diameters, and capable of stably measuring an exhaust gas component concentration in exhaust gas under a travel condition of a vehicle. SOLUTION: An exhaust gas analyzer includes the sensor unit 11 in an exhaust route from an engine, emits a laser beam toward the exhaust gas exhausted from the engine, receives the laser beam transmitted through the exhaust gas, and measures the component concentration contained in the gas, based on the received laser beam. The exhaust gas analyzer is removably mounted with a regulation ring 40 formed with a small hole 41 as a laser beam passing part on its circumferential face and having an inner circumferential face serving as an exhaust gas passing port 21, in an opening 16 formed in a sensor base 15 of the sensor unit 11. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了廉价地在不同尺寸的内径配置的排气分析装置中提供传感器单元，能够在车辆的行驶状态下稳定地测量废气中的废气成分浓度。解决方案：排气分析仪包括来自发动机的排气路径中的传感器单元11，向从发动机排出的废气发射激光束，接收通过废气传输的激光束，并测量组分浓度基于接收的激光束包含在气体中。废气分析装置可拆卸地安装有形成有作为激光束的小孔41的调节环40，该激光束在其周面上通过部分，并且具有作为排气通过口21的内周面，传感器单元11的传感器基座15.版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2007040891A Gas analyzer 有权
标题翻译：气体分析仪
公开(公告)号：JP2007040891A
公开(公告)日：2007-02-15
申请号：JP2005226782
申请日：2005-08-04
申请人： Mitsubishi Heavy Ind Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 三菱重工業株式会社
发明人： GOTO KATSUTOSHI , YAMAKAGE MASAHIRO , IWASE MICHIYASU , OKANO TOKIO , DEGUCHI YOSHIHIRO , YAMAURA TSUYOTOSHI
IPC分类号： G01N21/35 , G01N21/3504 , G01N21/359 , G01N21/59
摘要： PROBLEM TO BE SOLVED: To provide a gas analyzer capable of enhancing measuring precision by preventing the irregular reflection or scattering of the measuring laser beam transmitted through a gas to be analyzed. SOLUTION: This exhaust gas analyzer 10 is equipped with the sensor part 11 fixed to an exhaust route through which an exhaust gas flows. The sensor part 11 is equipped with a sensor base 20, the exhaust gas passing hole 21, through which the exhaust gas flows, formed on the sensor base, an optical fiber 25A for emitting the laser beam, a detector 26A for detecting the laser beam sensor holes 23 and 24 provided so that the laser beam reaches the detector through the exhaust gas passing hole and female screw surfaces 23a and 24a are formed on the inner surfaces of the sensor holes 23 and 24 as scattered light excluding means. The sensor part is equipped with mirrors 30 and 31 outside the exhaust gas passing hole and has a light passing hole 38 for allowing the exhaust gas passing hole and the mirrors to communicate with each other while a female screw surface 38a is also formed on the inner peripheral surface of the light passing hole. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过防止透射通过待分析气体的测量激光束的不规则反射或散射而提高测量精度的气体分析仪。解决方案：该排气分析装置10配备有固定在废气流过的排气路径的传感器部11。传感器部11配备有传感器基座20，排气流过的排气通过孔21，形成在传感器基座上，用于发射激光的光纤25A，用于检测激光束的检测器26A 设置为使得激光通过排气通过孔到达检测器的传感器孔23和24，并且作为散射光排除装置，在传感器孔23和24的内表面上形成阴螺纹表面23a和24a。传感器部件在废气通过孔的外部配备有反射镜30和31，并且具有用于允许废气通过孔和反射镜彼此连通的光通过孔38，而内螺纹表面38a也形成在内部透光孔周边表面。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2009047612A Exhaust gas analysis sensor 有权
标题翻译：排气分析传感器
公开(公告)号：JP2009047612A
公开(公告)日：2009-03-05
申请号：JP2007215322
申请日：2007-08-21
申请人： Mitsubishi Heavy Ind Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 三菱重工業株式会社
发明人： YAMAKAGE MASAHIRO , IWASE MICHIYASU , OKANO TOKIO , TACHIBANA SHIGENOBU , MUTA KENJI , FUKADA SEI , KATO EIJI , TAURA MASAZUMI , DEGUCHI YOSHIHIRO , KONDO AKIO , SHIMIZU HIROSHI
IPC分类号： G01N21/01 , G01N21/33 , G01N21/35 , G01N21/3504
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas analysis sensor that can define (restrict) the path and the number of times of reflection of a laser beam, can guarantee the quantitativeness of a measured value, and can omit work for identifying the number of times of reflection of the laser beam, in a constitution for multiple-reflecting the laser beam in exhaust gas to be analyzed. SOLUTION: This exhaust gas analysis sensor 4 reflects the laser beam radiated towards the inside of an exhaust gas passage port 41 by an irradiation section 5, by a predetermined number of times with a reflecting section 6 having a reflecting surface 60a, transmits it through the exhaust gas in a predetermined path in the exhaust gas passage port 41, then receives it using a light-receiving section 7. The exhaust gas analysis sensor 4 has a covering 8 (optical path restricting member) that covers the reflecting surface 60a and has a passage port section 84 that allows incidence and reflection of the laser beam with respect to the reflecting surface 60a in the predetermined path. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供可以限定（限制）激光束的路径和次数的排气分析传感器，可以保证测量值的定量，并且可以省略用于识别的工作在要分析的废气中多次反射激光束的结构中激光束的反射次数。解决方案：该排气分析传感器4通过具有反射面60a的反射部6将通过照射部5朝向排气通路口41的内部照射预定次数的激光反射透射通过废气通道端口41中的预定路径中的废气，然后使用光接收部分7接收废气。排气分析传感器4具有覆盖反射面60a的覆盖物8（光路限制部件）并且具有允许激光束相对于预定路径中的反射表面60a的入射和反射的通道端口部分84。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2008151548A Engine exhaust gas analyzer, method for analyzing engine exhaust gas and analysis program 有权
标题翻译：发动机排气分析仪，分析发动机排气和分析程序的方法
公开(公告)号：JP2008151548A
公开(公告)日：2008-07-03
申请号：JP2006337628
申请日：2006-12-14
申请人： Mitsubishi Heavy Ind Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 三菱重工業株式会社
发明人： YAMAKAGE MASAHIRO , MUTA KENJI , DEGUCHI YOSHIHIRO , FUKUDA NORIHIRO , ASAUMI SHINICHIRO
IPC分类号： G01N21/35 , G01N21/3504 , G01N21/359
摘要： PROBLEM TO BE SOLVED: To provide a technique for achieving real-time analysis that is higher in accuracy, without having to successively calculate the theoretical spectra in a stepwise manner. SOLUTION: This engine exhaust gas analysis method has: a step S1 for calculating the temperature of an exhaust gas; a step S2 for calculating the pressure of the exhaust gas; a step S3a for selecting the theoretical spectra, corresponding to the temperature and pressure becoming minimum in the difference between the temperature and pressure calculated in the first and second steps from a data base, respectively having the theoretical spectra, corresponding to a plurality of the temperatures and pressures related to a plurality of the gas components contained in the exhaust gas; a step S3c for calculating the deduced concentrations of the respective gas components from the ratio of the theoretical spectra of the respective selected gas components, with the actually measured spectra of the respective gas components that serve as analysis targets; and a step S4 for performing the discrete correction, related to the temperature and/or pressure of the actual exhaust gas, with respect to the deduced concentrations of the respective gas components. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于实现精度更高的实时分析的技术，而不必以逐步的方式连续地计算理论谱。解决方案：该发动机排气分析方法具有：计算排气温度的步骤S1; 用于计算废气压力的步骤S2; 用于选择理论谱的步骤S3a，其对应于分别具有对应于多个温度的理论谱的数据库的在第一和第二步骤中计算的温度和压力之间的温度和压力变得最小的温度和压力以及与废气中包含的多个气体成分有关的压力; 步骤S3c，用于根据各选择的气体组分的理论谱的比率与作为分析对象的各气体组分的实测值的光谱计算各气体成分的推导浓度; 以及与相应的气体成分的推定浓度相关的与实际废气的温度和/或压力相关的离散校正的步骤S4。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2007178369A Exhaust gas analyzer and analysis method 有权
标题翻译：排气分析仪和分析方法
公开(公告)号：JP2007178369A
公开(公告)日：2007-07-12
申请号：JP2005379499
申请日：2005-12-28
申请人： Mitsubishi Heavy Ind Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 三菱重工業株式会社
发明人： YAMAKAGE MASAHIRO , GOTO KATSUTOSHI , DEGUCHI YOSHIHIRO , MUTA KENJI , KONDO AKIO
IPC分类号： G01N21/39 , G01N15/06 , G01N21/49 , G01N21/53
CPC分类号： G01N21/532 , G01N15/0205 , G01N21/3504 , G01N2015/0693 , G01N2021/4726 , G01N2021/516
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas analyzer and an exhaust gas analysis method capable of measuring in real time the concentration of a particulate matter included in exhaust gas from an internal combustion engine. SOLUTION: This exhaust gas analyzer, which is a device for analyzing exhaust gas by irradiating the exhaust gas discharged from the internal combustion engine with laser light, includes an exhaust gas passing hole 21 for introducing the exhaust gas, an optical fiber 25 for irradiating the laser light in the direction orthogonal to the flow of the exhaust gas flowing through the exhaust gas passing hole, a detector 26 for receiving the laser light after passing the exhaust gas, a photodetector 71 for receiving Mie scattered light generated from the particulate matter PM included in the exhaust gas by irradiation of the laser light, and a personal computer 45 as a calculation part for calculating the concentration of a component in the exhaust gas based on light receiving data of the intensity of transmitted light acquired from the detector 26 and calculating the concentration of the particulate matter included in the exhaust gas based on measured data of the intensity of scattered light acquired from the photodetector 71. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够实时测量来自内燃机的废气中所含的颗粒物质的浓度的废气分析装置和排气分析方法。解决方案：作为用于通过用激光照射从内燃机排出的废气来分析废气的装置的废气分析装置包括：用于引入废气的废气通过孔21，光纤25 用于在垂直于流过排气通过孔的废气的流动的方向上照射激光;检测器26，用于在通过排气之后接收激光;光电检测器71，用于接收由颗粒产生的三重散射光基于从检测器26获取的透射光强度的光接收数据计算排气中的成分浓度的计算部的个人计算机45，并且基于散射李的强度的测量数据计算废气中包括的颗粒物质的浓度从光电检测器71获取。g版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2007163422A Exhaust gas analytical method, and exhaust gas analyzer 有权
标题翻译：排气分析方法和排气分析仪
公开(公告)号：JP2007163422A
公开(公告)日：2007-06-28
申请号：JP2005363400
申请日：2005-12-16
申请人： Mitsubishi Heavy Ind Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 三菱重工業株式会社
发明人： GOTO KATSUTOSHI , YAMAKAGE MASAHIRO , IWASE MICHIYASU , OKANO TOKIO , DEGUCHI YOSHIHIRO , MIZOGUCHI MASANOBU , TAKITA ATSUSHI , FUKUDA NORIHIRO
IPC分类号： G01N21/35 , F02D45/00 , G01N21/3504 , G01N21/359
CPC分类号： G01N21/3504 , G01N21/031 , G01N21/314
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas analytical method hardly affected by pressure fluctuation and the temperature of exhaust gas, and capable of calculating precisely and analyzing the concentration of a component contained in the exhaust gas, in real time. SOLUTION: In this exhaust gas analytical method, the exhaust gas discharged from an internal combustion engine is irradiated with a laser beam to receive the laser beam transmitted through the exhaust gas, and measures the concentration of the component contained in the exhaust gas, based on the received laser beam. In the method, an absorption spectrum of the laser beam absorbed in the exhaust gas is detected based on the received laser beam (S1), the concentration of the specified gas component is calculated based on the absorption spectrum (S2), the temperature of the exhaust gas is calculated based on the absorption spectrum (S3), the pressure of the exhaust gas is calculated based on the absorption spectrum (S4-S6), the calculated concentration of the component contained in the exhaust gas is corrected based on the calculated temperature (S7) and is corrected based on the calculated pressure (S8), and a true value of the concentration is output thereafter (S9). COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供几乎不受压力波动和排气温度影响的排气分析方法，并且能够精确地计算并分析废气中所含的成分的浓度。解决方案：在该废气分析方法中，从内燃机排出的废气用激光束照射以接收通过废气透射的激光束，并测量废气中所含的成分的浓度，基于接收到的激光束。在该方法中，基于接收到的激光（S1）检测吸收在排气中的激光束的吸收光谱，基于吸收光谱（S2），计算出特定气体成分的浓度，基于吸收光谱计算排气（S3），基于吸收光谱计算废气的压力（S4-S6），根据计算出的温度来校正计算出的废气中所含的成分的浓度（S7），并根据计算出的压力进行校正（S8），然后输出浓度的真值（S9）。版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2007040887A Gas analyzer 有权
标题翻译：气体分析仪
公开(公告)号：JP2007040887A
公开(公告)日：2007-02-15
申请号：JP2005226767
申请日：2005-08-04
申请人： Mitsubishi Heavy Ind Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 三菱重工業株式会社
发明人： GOTO KATSUTOSHI , YAMAKAGE MASAHIRO , IWASE MICHIYASU , OKANO TOKIO , DEGUCHI YOSHIHIRO , YAMAURA TSUYOTOSHI
IPC分类号： G01N21/61 , G01K11/12 , G01K13/02 , G01N21/03 , G01N21/05 , G01N21/27 , G01N21/35 , G01N21/3504 , G01N21/359
CPC分类号： G01N21/031 , G01N21/3504
摘要： PROBLEM TO BE SOLVED: To provide a gas analyzer capable of precisely measuring the concentrations of many kinds of component gases without disturbing a gas flow. SOLUTION: An exhaust gas analyzer 10 is equipped with the sensor part 11 fixed to an exhaust route through which an exhaust gas flows. The sensor part is equipped with an optical fiber 25A for irradiating the gas with a laser beam, a detector 26A for receiving the laser beam transmitted through the gas, an exhaust gas passing hole 21 having a cross-sectional shape substantially the same as that of the route through which the exhaust gas flows, the mirrors 30 and 31 arranged outside the exhaust gas passing hole to reflect the laser beam and the slit 38 for connecting the mirrors and the exhaust gas passing hole and constituted so that the laser beam emitted from the optical fiber is transmitted through the gas passed through the exhaust gas passing hole to reach the mirrors through the slit and reflected by the mirrors to be further transmitted through the gas to be guided to the detector. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够精确地测量多种成分气体的浓度而不干扰气体流量的气体分析仪。解决方案：废气分析器10装备有传感器部分11，其固定在废气流过的排气路径上。传感器部件配备有用激光束照射气体的光纤25A，用于接收透过气体的激光束的检测器26A，截面形状大致相同的排气通孔21，排气流过的路径，布置在排气通过孔外侧的反射镜30和31以反射激光束，以及用于连接反射镜和排气通过孔的狭缝38，并且构成为使得从光纤通过穿过废气通过孔的气体透过狭缝传送到反射镜并被反射镜反射，以进一步透过气体被引导到检测器。版权所有（C）2007，JPO＆INPIT

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