JPS6348146U - - Google Patents
Info
- Publication number
- JPS6348146U JPS6348146U JP14211286U JP14211286U JPS6348146U JP S6348146 U JPS6348146 U JP S6348146U JP 14211286 U JP14211286 U JP 14211286U JP 14211286 U JP14211286 U JP 14211286U JP S6348146 U JPS6348146 U JP S6348146U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- cell
- gas analyzer
- infrared light
- sample
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第１図は本考案に係る排気ガス分析計の一実施
例を示す縦断面図、第２図および第３図は較正セ
ルの実施例を示す平面図、第４図は従来の排気ガ
ス分析計の構成を示す縦断面図である。
１ａ，１ｂ…光源、２…比較セル、３…サンプ
ルセル、４…較正セル、４ａ，４ｂ…封入セル、
５…パルスモータ、６…発光ダイオード、７…フ
オトダイオード、８…チヨツパ、９…チヨツパモ
ータ、１０…検出器、１１…プリアンプ。
FIG. 1 is a vertical cross-sectional view showing an embodiment of an exhaust gas analyzer according to the present invention, FIGS. 2 and 3 are plan views showing an embodiment of a calibration cell, and FIG. 4 is a conventional exhaust gas analyzer. FIG. 1a, 1b...Light source, 2...Comparison cell, 3...Sample cell, 4...Calibration cell, 4a, 4b...Enclosed cell,
5...Pulse motor, 6...Light emitting diode, 7...Photodiode, 8...Chopper, 9...Chopper motor, 10...Detector, 11...Preamplifier.
Claims (1)
ガスに通過吸収させ、他方を基準となる濃度ゼロ
または一定濃度の比較ガスに通過吸収させ、これ
ら２つの赤外線光路のエネルギー差を検出器によ
り検出して排気ガスの濃度分析を行う排気ガス分
析計において、前記サンプルガス通過赤外線光路
中に、前記サンプルガスが流入されるサンプルセ
ルと、測定レンジに対応したスパンガスを封入し
た複数の封入セルを前記赤外線光路中に切換可能
に進退させる較正セルとを設けたことを特徴とす
る排気ガス分析計。 (2) 実用新案登録請求の範囲第１項記載の排気
ガス分析計において、前記較正セルが、前記封入
セルを同心状に配設しかつ回転自在とされたこと
を特徴とする排気ガス分析計。 (3) 実用新案登録請求の範囲第２項記載の排気
ガス分析計において前記較正セルがモータにより
回転駆動され、かつ前記封入セルを前記赤外線光
路中に正確に位置させる位置決め手段を備えたこ
とを特徴とする排気ガス分析計。 (4) 実用新案登録請求の範囲第３項記載の排気
ガス分析計において前記位置決め手段が較正セル
外表面に光を照射する発光手段と、その反射光を
検出する受光手段とを備えたことを特徴とする排
気ガス分析計。[Claims for Utility Model Registration] (1) One of the infrared rays generated from a light source is passed through and absorbed by a sample gas, and the other is passed through and absorbed by a reference gas of zero concentration or a constant concentration, and these two infrared light paths are In an exhaust gas analyzer that analyzes the concentration of exhaust gas by detecting an energy difference with a detector, a sample cell into which the sample gas flows and a span gas corresponding to the measurement range are enclosed in the infrared light path through which the sample gas passes. and a calibration cell for switchingably moving a plurality of sealed cells into and out of the infrared light path. (2) The exhaust gas analyzer according to claim 1 of the utility model registration claim, characterized in that the calibration cell has the enclosed cell arranged concentrically and is rotatable. . (3) The exhaust gas analyzer according to claim 2, wherein the calibration cell is rotationally driven by a motor, and further includes positioning means for accurately positioning the encapsulated cell in the infrared light path. Characteristic exhaust gas analyzer. (4) In the exhaust gas analyzer according to claim 3, the positioning means includes a light emitting means for irradiating light onto the outer surface of the calibration cell, and a light receiving means for detecting the reflected light. Characteristic exhaust gas analyzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14211286U JPS6348146U (en) | 1986-09-17 | 1986-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14211286U JPS6348146U (en) | 1986-09-17 | 1986-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6348146U true JPS6348146U (en) | 1988-04-01 |
Family
ID=31050530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14211286U Pending JPS6348146U (en) | 1986-09-17 | 1986-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6348146U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0843288A (en) * | 1994-05-05 | 1996-02-16 | Santa Barbara Res Center | Nitrogeb oxide sensor of infrared ray base with steam compensation |
| WO2024185559A1 (en) * | 2023-03-07 | 2024-09-12 | Yokogawa Electric Corporation | Gas analyzer |
| WO2024185560A1 (en) * | 2023-03-07 | 2024-09-12 | Yokogawa Electric Corporation | Gas analyzer |
-
1986
- 1986-09-17 JP JP14211286U patent/JPS6348146U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0843288A (en) * | 1994-05-05 | 1996-02-16 | Santa Barbara Res Center | Nitrogeb oxide sensor of infrared ray base with steam compensation |
| WO2024185559A1 (en) * | 2023-03-07 | 2024-09-12 | Yokogawa Electric Corporation | Gas analyzer |
| WO2024185560A1 (en) * | 2023-03-07 | 2024-09-12 | Yokogawa Electric Corporation | Gas analyzer |
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