JPS6192861U - - Google Patents
Info
- Publication number
- JPS6192861U JPS6192861U JP17735084U JP17735084U JPS6192861U JP S6192861 U JPS6192861 U JP S6192861U JP 17735084 U JP17735084 U JP 17735084U JP 17735084 U JP17735084 U JP 17735084U JP S6192861 U JPS6192861 U JP S6192861U
- Authority
- JP
- Japan
- Prior art keywords
- light
- detection window
- emitting element
- casing
- base end
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims 1
- 239000000779 smoke Substances 0.000 claims 1
Landscapes
- Optical Measuring Cells (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第１図は本考案の第１実施例の断面図、第２図
は第１図のＡＡ線端面図、第３図は本考案の第２
実施例を示す部分断面図、第４図は本考案の第３
実施例を示す部分断面図、第５図は本考案の第４
実施例を示す部分断面図、第６図は本考案の第５
実施例を示す部分断面図である。
１０……ケーシング、１４……検出窓、２４…
…発光素子、２８……受光素子、３２……第１の
光フアイバ、３４……第２の光フアイバ。
Fig. 1 is a sectional view of the first embodiment of the present invention, Fig. 2 is an end view taken along line AA of Fig. 1, and Fig. 3 is a cross-sectional view of the first embodiment of the present invention.
A partial sectional view showing the embodiment, FIG. 4 is the third embodiment of the present invention.
A partial sectional view showing an embodiment, FIG. 5 is a fourth embodiment of the present invention.
A partial sectional view showing an embodiment, FIG. 6 is a fifth embodiment of the present invention.
It is a partial sectional view showing an example. 10...Casing, 14...Detection window, 24...
...Light emitting element, 28... Light receiving element, 32... First optical fiber, 34... Second optical fiber.
Claims (1)
備えた筒状のケーシングと、前記ケーシングの基
端部に配設された発光素子と、前記ケーシングの
基端部に前記発光素子に対して併設された受光素
子と、一端が前記発光素子の発光部に対向されか
つ他端が紡錘形にされて前記検出窓に突出される
と共に中心から半径方向に向つて屈折率が徐々に
小さくなるようにされた第１の光フアイバと、一
端が前記検出窓に突出されて前記第１の光フアイ
バの他端に対向されかつ他端が前記受光素子の受
光部に対向された第２の光フアイバと、を含むデ
イーゼル機関用スモークセンサ。 a cylindrical casing having an open base end and a detection window on the wall; a light emitting element disposed at the base end of the casing; and a light emitting element disposed at the base end of the casing. a light-receiving element, one end of which is opposed to the light-emitting part of the light-emitting element, and the other end of which is shaped like a spindle and protrudes into the detection window, and has a refractive index that gradually decreases in the radial direction from the center. a second optical fiber having one end protruding into the detection window and facing the other end of the first optical fiber, and the other end facing the light receiving portion of the light receiving element; Smoke sensors for diesel engines, including:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17735084U JPS6192861U (en) | 1984-11-22 | 1984-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17735084U JPS6192861U (en) | 1984-11-22 | 1984-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6192861U true JPS6192861U (en) | 1986-06-16 |
Family
ID=30734919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17735084U Pending JPS6192861U (en) | 1984-11-22 | 1984-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6192861U (en) |
-
1984
- 1984-11-22 JP JP17735084U patent/JPS6192861U/ja active Pending
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