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
Application number
JP12372390U
Other languages
Japanese (ja)
Other versions
JP2531688Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP12372390U priority Critical patent/JP2531688Y2/en
Publication of JPH0482792U publication Critical patent/JPH0482792U/ja
Application granted granted Critical
Publication of JP2531688Y2 publication Critical patent/JP2531688Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Fire-Detection Mechanisms (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】 (1) 投、受光器内に配置され前面にレンズを取
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.
JP12372390U 1990-11-27 1990-11-27 Dim smoke detector Expired - Lifetime JP2531688Y2 (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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