JPS61104362U - - Google Patents
Info
- Publication number
- JPS61104362U JPS61104362U JP19058184U JP19058184U JPS61104362U JP S61104362 U JPS61104362 U JP S61104362U JP 19058184 U JP19058184 U JP 19058184U JP 19058184 U JP19058184 U JP 19058184U JP S61104362 U JPS61104362 U JP S61104362U
- Authority
- JP
- Japan
- Prior art keywords
- smoke
- photoreceptor
- light source
- optical axis
- center
- 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.)
- Granted
Links
- 239000000779 smoke Substances 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 4
- 108091008695 photoreceptors Proteins 0.000 claims description 3
- 238000002955 isolation Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Description
第１図および第２図はこの考案の構成を示す一
部切欠断縦面図、第３図はこの考案の光電式煙感
知器に使用することのできる光学ユニツトを示す
縦断面図、第４図は前記光学ユニツトに使用する
レンズを示す側面図、第５図はこの考案の一実施
例を示す一部切欠縦断面図、第６図は前記実施例
における基礎プレートを示す平面図、第７図は前
記基礎プレートを示す縦断面図、第８図は前記実
施例における隔絶板を示す平面図、第９図は前記
実施例における内蓋部カバーを示す縦断面図、第
１０図は前記内蓋部カバーを示す平面図、第１１
図は前記実施例における外蓋部カバーを示す平面
図並びに第１２図は前記外蓋部カバーを示す一部
切欠縦断面図である。
１……光源、２……受光体、３……煙通過室、
３Ａ……シボ付け加工面。
Figures 1 and 2 are partially cutaway vertical sectional views showing the configuration of this invention, Figure 3 is a vertical sectional view showing an optical unit that can be used in the photoelectric smoke detector of this invention, and Figure 4 is a longitudinal sectional view showing the structure of this invention. The figure is a side view showing a lens used in the optical unit, FIG. 8 is a plan view showing the isolation plate in the embodiment, FIG. 9 is a longitudinal sectional view showing the inner cover in the embodiment, and FIG. 10 is a longitudinal sectional view showing the inner cover in the embodiment. Plan view showing the lid part cover, No. 11
The figure is a plan view showing the outer lid part cover in the embodiment, and FIG. 12 is a partially cutaway vertical sectional view showing the outer lid part cover. 1...Light source, 2...Photoreceptor, 3...Smoke passage chamber,
3A... Textured surface.
Claims (1)
互いに所定角度で交差すると共にほぼ左右対称に
なるように、前記光源と前記受光体とを煙通過室
内に配置することにより形成した煙感知領域に臨
む前記煙通過室の内壁表面をシボ付け加工してな
ることを特徴とする光電式煙感知器。 Smoke formed by arranging the light source and the photoreceptor in a smoke passage chamber so that the center of the optical axis from the light source and the center of the optical axis to the photoreceptor intersect with each other at a predetermined angle and are almost bilaterally symmetrical. A photoelectric smoke detector characterized in that the inner wall surface of the smoke passage chamber facing the sensing area is textured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984190581U JPH0236113Y2 (en) | 1984-12-15 | 1984-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984190581U JPH0236113Y2 (en) | 1984-12-15 | 1984-12-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61104362U true JPS61104362U (en) | 1986-07-02 |
| JPH0236113Y2 JPH0236113Y2 (en) | 1990-10-02 |
Family
ID=30748032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984190581U Expired JPH0236113Y2 (en) | 1984-12-15 | 1984-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0236113Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5536785A (en) * | 1978-09-07 | 1980-03-14 | Omron Tateisi Electronics Co | Scattered light type smoke sensor |
| JPS55141893U (en) * | 1979-03-29 | 1980-10-09 |
-
1984
- 1984-12-15 JP JP1984190581U patent/JPH0236113Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5536785A (en) * | 1978-09-07 | 1980-03-14 | Omron Tateisi Electronics Co | Scattered light type smoke sensor |
| JPS55141893U (en) * | 1979-03-29 | 1980-10-09 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0236113Y2 (en) | 1990-10-02 |