JPS62184459U - - Google Patents
Info
- Publication number
- JPS62184459U JPS62184459U JP7127386U JP7127386U JPS62184459U JP S62184459 U JPS62184459 U JP S62184459U JP 7127386 U JP7127386 U JP 7127386U JP 7127386 U JP7127386 U JP 7127386U JP S62184459 U JPS62184459 U JP S62184459U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- fluid
- measured
- clean
- protection device
- 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
- 239000012530 fluid Substances 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
Description
第１図はこの考案の一実施例によるセンサー保
護装置を示す縦断面説明図、第２図は従来の排気
ガス濃度計測装置を示す縦断面説明図である。
１……被測定流体（排気ガス）、２……センサ
ー（投光器）、３……センサー（受光センサー）
、４……レンズ、５……吹込口、６……煙道、１
１……円錐形遮蔽板、１２……平面状遮蔽板、１
３……小穴、１４……遮蔽板、１５……パイプ、
１６……第１小室、１７……第２小室、１８……
第３小室。なお、各図中、同一符号は同一又は相
当部分を示す。
FIG. 1 is an explanatory longitudinal cross-sectional view showing a sensor protection device according to an embodiment of this invention, and FIG. 2 is an explanatory longitudinal cross-sectional view showing a conventional exhaust gas concentration measuring device. 1...Fluid to be measured (exhaust gas), 2...Sensor (emitter), 3...Sensor (light receiving sensor)
, 4... Lens, 5... Inlet, 6... Flue, 1
1... Conical shielding plate, 12... Planar shielding plate, 1
3... Small hole, 14... Shielding plate, 15... Pipe,
16...First small room, 17...Second small room, 18...
Third small room. In each figure, the same reference numerals indicate the same or equivalent parts.
Claims (1)
保護装置において、センサーと被測定流体との間
であつてそれらを結ぶ線上に重ねて設けられた相
互間に小穴を有する複数の小室と、該小室の最も
センサー寄りの小室に清浄な流体を導入するため
に設けられたクリーン流体の吹込口と、被測定流
体がセンサー側に流入するのを阻止するに必要な
内圧と流速とを有する上記清浄な流体とを有して
いることを特徴とするセンサー保護装置。 (2) 被測定流体が排気ガスであり、清浄な流体
がクリーンエアーであり、濃度計用センサーが、
レンズによつて被測定流体から隔離されている投
光器および受光センサーである実用新案登録請求
の範囲第１項記載のセンサ保護装置。[Scope of Claim for Utility Model Registration] (1) In a protective device for a sensor for a concentration meter that measures the concentration of a fluid, there is a protection device between the sensor and the fluid to be measured, which are provided overlappingly on a line connecting them. A plurality of small chambers having small holes, a clean fluid inlet provided to introduce clean fluid into the small chamber closest to the sensor, and a clean fluid inlet necessary to prevent the fluid to be measured from flowing into the sensor side. A sensor protection device comprising: the above-mentioned clean fluid having an internal pressure and a flow rate. (2) The fluid to be measured is exhaust gas, the clean fluid is clean air, and the concentration meter sensor is
The sensor protection device according to claim 1, which is a light projector and a light receiving sensor that are isolated from a fluid to be measured by a lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7127386U JPS62184459U (en) | 1986-05-14 | 1986-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7127386U JPS62184459U (en) | 1986-05-14 | 1986-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62184459U true JPS62184459U (en) | 1987-11-24 |
Family
ID=30913681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7127386U Pending JPS62184459U (en) | 1986-05-14 | 1986-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62184459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013134229A (en) * | 2011-12-27 | 2013-07-08 | Horiba Ltd | Gas analyzer |
-
1986
- 1986-05-14 JP JP7127386U patent/JPS62184459U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013134229A (en) * | 2011-12-27 | 2013-07-08 | Horiba Ltd | Gas analyzer |
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