JPH0495U - - Google Patents
Info
- Publication number
- JPH0495U JPH0495U JP3902790U JP3902790U JPH0495U JP H0495 U JPH0495 U JP H0495U JP 3902790 U JP3902790 U JP 3902790U JP 3902790 U JP3902790 U JP 3902790U JP H0495 U JPH0495 U JP H0495U
- Authority
- JP
- Japan
- Prior art keywords
- detecting
- fire
- infrared
- case
- detection
- 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
- 238000001514 detection method Methods 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Fire-Detection Mechanisms (AREA)
Description
第１図は本考案の一実施例に係る構成を示す図
、第２図は従来の火災検出センサの構成を示す図
、第３図は従来の熱検出センサの構成を示す図、
第４図は従来の煙検出センサの構成を示す図であ
る。
１１……赤外線光源、１２……赤外線、１３…
…赤外線、１４……煙、１５……ケース、１６…
…シヤツタ、１７……赤外線受光素子、１８……
信号処理回路、１９……制御装置。
FIG. 1 is a diagram showing the configuration of an embodiment of the present invention, FIG. 2 is a diagram showing the configuration of a conventional fire detection sensor, and FIG. 3 is a diagram showing the configuration of a conventional heat detection sensor.
FIG. 4 is a diagram showing the configuration of a conventional smoke detection sensor. 11...Infrared light source, 12...Infrared light, 13...
...Infrared rays, 14...Smoke, 15...Case, 16...
...Shutter, 17...Infrared receiving element, 18...
Signal processing circuit, 19...control device.
Claims (1)
外線検出手段と、 上記ケースの開口部に設けられたシヤツタと、 上記赤外線検出手段に向けて基準の赤外線を発
生する基準赤外線発生手段と、 上記シヤツタを開けた状態での上記赤外線検出
手段の検出信号に基づいて火災の発生あるいは煙
の発生を検出し、上記シヤツタを閉めた状態での
上記赤外線検出手段の検出信号に基づいて熱の発
生を検出する火災検出制御手段とを具備したこと
を特徴とする火災検出装置。[Scope of Claim for Utility Model Registration] A case having an opening; an infrared detection means provided within the case for detecting infrared rays; a shutter provided at the opening of the case; A reference infrared ray generating means for generating a reference infrared ray, and a detection signal of the infrared ray detecting means with the shutter open, detecting the occurrence of fire or smoke, and detecting the occurrence of fire or smoke with the shutter closed. 1. A fire detection device comprising fire detection control means for detecting generation of heat based on a detection signal from an infrared detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3902790U JPH0495U (en) | 1990-04-13 | 1990-04-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3902790U JPH0495U (en) | 1990-04-13 | 1990-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0495U true JPH0495U (en) | 1992-01-06 |
Family
ID=31547559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3902790U Pending JPH0495U (en) | 1990-04-13 | 1990-04-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0495U (en) |
-
1990
- 1990-04-13 JP JP3902790U patent/JPH0495U/ja active Pending
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