EXHAUST GAS MEASURING SYSTEM

PROBLEM TO BE SOLVED: To provide an exhaust gas measuring system that can retrain influences of deflection of housing on measurement results.SOLUTION: Plural measuring electrodes 13 are disposed on the inner face of a flow channel 113. A classifying electrode 12, disposed on the other side relative...

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Main Author NISHIO TATSUYA
Format Patent
LanguageEnglish
Japanese
Published 30.11.2017
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Abstract PROBLEM TO BE SOLVED: To provide an exhaust gas measuring system that can retrain influences of deflection of housing on measurement results.SOLUTION: Plural measuring electrodes 13 are disposed on the inner face of a flow channel 113. A classifying electrode 12, disposed on the other side relative to the plural measuring electrodes 13 on the inner face of the flow channel 113 with the flow channel 113 in-between, causes an electric field to be generated in the flow channel 113 thereby causing electrically charged particles in sample gas flowing in the flow channel 113 to be attracted by one or another of the plural measuring electrodes 13. The plural measuring electrodes 13 are arranged symmetrically in the flowing direction D of the sample gas in the flow channel 113 with respect to a fixed center line C. When a detector is performing detection by operating an air blowing mechanism, the deflection extent of a housing 11 become equal in the positions of a pair of measuring electrodes 13 (a first measuring electrode 131 and a fourth measuring electrode 134) symmetrically arranged in the flowing direction D with respect to the center line C.SELECTED DRAWING: Figure 4B 【課題】ハウジングの撓みが測定結果に与える影響を抑制することができる排ガス測定装置を提供する。【解決手段】複数の測定電極13が、流路113の内面に設けられている。分級電極12が、流路113の内面における複数の測定電極13に対して流路113を挟んで反対側に設けられ、流路113内に電界を発生させることにより、流路113内を流れる試料ガス中の帯電粒子を複数の測定電極13のいずれかに引き付ける。複数の測定電極13は、一定の中心線Cに対して、流路113内における試料ガスの流通方向Dに対称配置されている。送風機構を動作させて検出部による検出を行っているときには、中心線Cに対して流通方向Dに対称配置された1対の測定電極13(第1測定電極131及び第4測定電極134)の位置において、ハウジング11の撓み量が同一となる。【選択図】 図4B
AbstractList PROBLEM TO BE SOLVED: To provide an exhaust gas measuring system that can retrain influences of deflection of housing on measurement results.SOLUTION: Plural measuring electrodes 13 are disposed on the inner face of a flow channel 113. A classifying electrode 12, disposed on the other side relative to the plural measuring electrodes 13 on the inner face of the flow channel 113 with the flow channel 113 in-between, causes an electric field to be generated in the flow channel 113 thereby causing electrically charged particles in sample gas flowing in the flow channel 113 to be attracted by one or another of the plural measuring electrodes 13. The plural measuring electrodes 13 are arranged symmetrically in the flowing direction D of the sample gas in the flow channel 113 with respect to a fixed center line C. When a detector is performing detection by operating an air blowing mechanism, the deflection extent of a housing 11 become equal in the positions of a pair of measuring electrodes 13 (a first measuring electrode 131 and a fourth measuring electrode 134) symmetrically arranged in the flowing direction D with respect to the center line C.SELECTED DRAWING: Figure 4B 【課題】ハウジングの撓みが測定結果に与える影響を抑制することができる排ガス測定装置を提供する。【解決手段】複数の測定電極13が、流路113の内面に設けられている。分級電極12が、流路113の内面における複数の測定電極13に対して流路113を挟んで反対側に設けられ、流路113内に電界を発生させることにより、流路113内を流れる試料ガス中の帯電粒子を複数の測定電極13のいずれかに引き付ける。複数の測定電極13は、一定の中心線Cに対して、流路113内における試料ガスの流通方向Dに対称配置されている。送風機構を動作させて検出部による検出を行っているときには、中心線Cに対して流通方向Dに対称配置された1対の測定電極13(第1測定電極131及び第4測定電極134)の位置において、ハウジング11の撓み量が同一となる。【選択図】 図4B
Author NISHIO TATSUYA
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Snippet PROBLEM TO BE SOLVED: To provide an exhaust gas measuring system that can retrain influences of deflection of housing on measurement results.SOLUTION: Plural...
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SubjectTerms INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
Title EXHAUST GAS MEASURING SYSTEM
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