JPS62152255U - - Google Patents
Info
- Publication number
- JPS62152255U JPS62152255U JP3903486U JP3903486U JPS62152255U JP S62152255 U JPS62152255 U JP S62152255U JP 3903486 U JP3903486 U JP 3903486U JP 3903486 U JP3903486 U JP 3903486U JP S62152255 U JPS62152255 U JP S62152255U
- Authority
- JP
- Japan
- Prior art keywords
- smoke
- sensor
- degree
- opening
- smoke inlet
- 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
- 239000000779 smoke Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 2
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第1図は本考案の一実施例を示す外観図、第2
図は第1図の要部を示す一部縦断面図、第3図お
よび第4図はフインの回動位置がそれぞれ異なる
ものを示す第2図のA―A′断面図である。
1…カバー、2…煙流入口、3…フイン、5…
煙検知領域。
Fig. 1 is an external view showing one embodiment of the present invention;
This figure is a partial longitudinal sectional view showing the main part of FIG. 1, and FIGS. 3 and 4 are sectional views taken along the line AA' in FIG. 2, showing the fins at different rotational positions. 1...Cover, 2...Smoke inlet, 3...Fin, 5...
Smoke detection area.
Claims (1)
域に通じる複数の煙流入口と対応して、その内側
に互いに一体に形成されて回動自在に軸支された
複数のフインが設けられ、上記フインの回動によ
つて上記煙流入口の開口度を調節するようにした
ことを特徴とするイオン化式煙感知器の煙流入口
の開口度調節装置。 A plurality of fins are integrally formed with each other and rotatably supported on the inside thereof, corresponding to a plurality of smoke inflow ports leading to a smoke detection area in the sensor, which are formed on the circumferential surface of the cover. An apparatus for adjusting the opening degree of the smoke inlet of an ionization type smoke sensor, characterized in that the degree of opening of the smoke inlet is adjusted by rotating the fin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3903486U JPS62152255U (en) | 1986-03-19 | 1986-03-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3903486U JPS62152255U (en) | 1986-03-19 | 1986-03-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62152255U true JPS62152255U (en) | 1987-09-26 |
Family
ID=30851831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3903486U Pending JPS62152255U (en) | 1986-03-19 | 1986-03-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62152255U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011076297A (en) * | 2009-09-30 | 2011-04-14 | Nohmi Bosai Ltd | Photoelectric smoke sensor |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55116192A (en) * | 1979-02-28 | 1980-09-06 | Matsushita Electric Works Ltd | Ion type smoke detector |
JPS569053B2 (en) * | 1976-03-22 | 1981-02-27 |
-
1986
- 1986-03-19 JP JP3903486U patent/JPS62152255U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS569053B2 (en) * | 1976-03-22 | 1981-02-27 | ||
JPS55116192A (en) * | 1979-02-28 | 1980-09-06 | Matsushita Electric Works Ltd | Ion type smoke detector |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011076297A (en) * | 2009-09-30 | 2011-04-14 | Nohmi Bosai Ltd | Photoelectric smoke sensor |