JPS58104956U - Photoelectric smoke detector with functional test equipment - Google Patents
Photoelectric smoke detector with functional test equipmentInfo
- Publication number
- JPS58104956U JPS58104956U JP123682U JP123682U JPS58104956U JP S58104956 U JPS58104956 U JP S58104956U JP 123682 U JP123682 U JP 123682U JP 123682 U JP123682 U JP 123682U JP S58104956 U JPS58104956 U JP S58104956U
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- smoke detector
- functional test
- photoelectric smoke
- smoke
- 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
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案を散乱光式煙感知器に適応させた一実
施例の概略図、第２図は第１図の感知器の回路図、第３
図はこの考案を減光式煙感知器に適応させた一実施例の
概略図である。
１・・・光源、３．３′・・・受光素子、５・・・煙感
知領域、６． ６１． ６２・・・形状記憶合金、７・
・・ばね体、１５・・・加熱回路。Fig. 1 is a schematic diagram of an embodiment in which this invention is applied to a scattered light type smoke detector, Fig. 2 is a circuit diagram of the sensor shown in Fig. 1, and Fig. 3
The figure is a schematic diagram of an embodiment in which this invention is applied to a dimming type smoke detector. 1... Light source, 3. 3'... Light receiving element, 5... Smoke sensing area, 6. 61. 62... Shape memory alloy, 7.
...Spring body, 15...Heating circuit.
Claims (1)
乱光を検出して火災を報知するようにした光電式煙感知
器において１、マルテンサイト構造にある形状記憶合金
をばね体で付勢し煙感知領域外にあるように配置し、ま
たこの合金あるいは付設したヒータに通電する加熱回路
を設け、この加熱回路を遠隔より操作し上記合金を加熱
することにより母相構造に変態きせ、ばね体に打ち勝っ
て上記合金を煙感知領域内に配置するようにしたことを
特徴とする機能試験装置を備えた光電式煙感知器。In a photoelectric smoke detector that detects light attenuation or scattered light caused by smoke entering the detector to notify a fire, 1. A shape memory alloy with a martensitic structure is energized by a spring body. The alloy is placed outside the smoke detection area, and is provided with a heating circuit that energizes the alloy or the attached heater, and this heating circuit is remotely operated to heat the alloy, which transforms into the matrix structure and forms the spring body. 1. A photoelectric smoke detector equipped with a functional test device, characterized in that the above-mentioned alloy is arranged within a smoke sensing area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP123682U JPS58104956U (en) | 1982-01-11 | 1982-01-11 | Photoelectric smoke detector with functional test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP123682U JPS58104956U (en) | 1982-01-11 | 1982-01-11 | Photoelectric smoke detector with functional test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58104956U true JPS58104956U (en) | 1983-07-16 |
Family
ID=30014267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP123682U Pending JPS58104956U (en) | 1982-01-11 | 1982-01-11 | Photoelectric smoke detector with functional test equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58104956U (en) |
-
1982
- 1982-01-11 JP JP123682U patent/JPS58104956U/en active Pending
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