JPH0482792U - - Google Patents
Info
- Publication number
- JPH0482792U JPH0482792U JP12372390U JP12372390U JPH0482792U JP H0482792 U JPH0482792 U JP H0482792U JP 12372390 U JP12372390 U JP 12372390U JP 12372390 U JP12372390 U JP 12372390U JP H0482792 U JPH0482792 U JP H0482792U
- Authority
- JP
- Japan
- Prior art keywords
- window
- smoke detector
- dimming
- housing
- light
- 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
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims 4
- 239000000470 constituent Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Description
第１図は本考案実施例の構成説明図、第２図は
第１図の分解斜視図、第３図は光学ケースの説明
図で、Ａは上面図、Ｂは正面図、Ｃは左側面図、
Ｄは右側断面図、第４図はホルダの説明図で、Ａ
は正面図、Ｂは右側断面図、Ｃは背面図、第５図
は光学ケースの一部の断面図で、Ａは投光器の断
面図、Ｂは受光器の断面図、第６図はケースの斜
視図、第７図は取付板の構成説明図、第８図は本
考案実施例の動作説明図、第９図は窓と入射角の
関係を示す説明図である。
図において、１は本体、３は取付板、４は器枠
、５はカバー、２１は第１回転台、２２は第２回
転台、２３は回転軸、２６は水平角調整ネジ、３
４は垂直角調整ネジ、５３は光学ケース、５４は
レンズ、５５は軸ピン、５８は装着孔、６３はホ
ルダ、６４は切欠き、６５は隔壁、６６と６７は
マウント、７３は投光素子、７４は受光素子、７
６は視準部、８１は箱体、８３は窓である。
Fig. 1 is an explanatory diagram of the configuration of the embodiment of the present invention, Fig. 2 is an exploded perspective view of Fig. 1, and Fig. 3 is an explanatory diagram of the optical case, where A is a top view, B is a front view, and C is a left side view. figure,
D is a right sectional view, FIG. 4 is an explanatory view of the holder, and A
is a front view, B is a right sectional view, C is a rear view, Fig. 5 is a sectional view of a part of the optical case, A is a sectional view of the emitter, B is a sectional view of the receiver, and Fig. 6 is a sectional view of the case. 7 is an explanatory diagram of the configuration of the mounting plate, FIG. 8 is an explanatory diagram of the operation of the embodiment of the present invention, and FIG. 9 is an explanatory diagram showing the relationship between the window and the incident angle. In the figure, 1 is the main body, 3 is a mounting plate, 4 is a container frame, 5 is a cover, 21 is a first rotating table, 22 is a second rotating table, 23 is a rotating shaft, 26 is a horizontal angle adjustment screw, 3
4 is a vertical angle adjustment screw, 53 is an optical case, 54 is a lens, 55 is an axis pin, 58 is a mounting hole, 63 is a holder, 64 is a notch, 65 is a partition wall, 66 and 67 are mounts, 73 is a light emitting element , 74 is a light receiving element, 7
6 is a collimating unit, 81 is a box, and 83 is a window.
Claims (1)
付け背面に投、受光素子を装着した光学系と、該
光学係を水平方向と垂直方向に移動させて光軸を
調整する光軸調整機構と、該光軸調整機構及び前
記光学係を収容し前面に窓を設けた筺体とを備え
た減光式煙感知器において、 前記窓を前記筺体の中心軸上の点を中心とする
湾曲面で構成したことを特徴とする減光式煙感知
器。 (2) 前記投、受光器の少なくとも受光器の筺体
の窓及びまたはレンズに特定な波長域の光をカツ
トするフイルタ機能を付与した部材で構成したこ
とを特徴とする請求項(1)記載の減光式煙感知器
。 (3) 前記窓及びまたはレンズの部材を構成樹脂
で構成したことを特徴とする請求項(2)記載の減
光式煙感知器。[Scope of Claim for Utility Model Registration] (1) An optical system arranged in a projector and receiver, with a lens on the front and a projector and a light-receiving element on the back, and the optical system moved in the horizontal and vertical directions. A dimming smoke detector comprising an optical axis adjustment mechanism that adjusts an optical axis, and a housing that accommodates the optical axis adjustment mechanism and the optical unit and has a window on the front, wherein the window is aligned with the central axis of the housing. A dimming type smoke detector characterized by being composed of a curved surface centered on the upper point. (2) The light emitting device and the light receiving device are constructed of a member provided with a filter function to cut out light in a specific wavelength range to at least the window and/or lens of the housing of the light receiving device. Dimming smoke detector. (3) The dimming type smoke detector according to claim (2), wherein the window and/or lens members are made of a constituent resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12372390U JP2531688Y2 (en) | 1990-11-27 | 1990-11-27 | Dim smoke detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12372390U JP2531688Y2 (en) | 1990-11-27 | 1990-11-27 | Dim smoke detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0482792U true JPH0482792U (en) | 1992-07-17 |
| JP2531688Y2 JP2531688Y2 (en) | 1997-04-09 |
Family
ID=31871414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12372390U Expired - Lifetime JP2531688Y2 (en) | 1990-11-27 | 1990-11-27 | Dim smoke detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2531688Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001184572A (en) * | 1999-12-22 | 2001-07-06 | Nittan Co Ltd | Photoelectric separated sensor |
| CN109782365A (en) * | 2017-11-14 | 2019-05-21 | 宏力实业股份有限公司 | Detect smoke detector structure |
-
1990
- 1990-11-27 JP JP12372390U patent/JP2531688Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001184572A (en) * | 1999-12-22 | 2001-07-06 | Nittan Co Ltd | Photoelectric separated sensor |
| CN109782365A (en) * | 2017-11-14 | 2019-05-21 | 宏力实业股份有限公司 | Detect smoke detector structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2531688Y2 (en) | 1997-04-09 |
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