JPS639695U - - Google Patents
Info
- Publication number
- JPS639695U JPS639695U JP10257386U JP10257386U JPS639695U JP S639695 U JPS639695 U JP S639695U JP 10257386 U JP10257386 U JP 10257386U JP 10257386 U JP10257386 U JP 10257386U JP S639695 U JPS639695 U JP S639695U
- Authority
- JP
- Japan
- Prior art keywords
- amount
- fire
- heat
- infrared sensor
- change
- 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 8
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Description
第１図はこの考案の一実施例の概略を示すブロ
ツク構成図、第２図はこの考案の火災検知器によ
る火災検知動作を説明するフローチヤート、第３
図、第４図Ａ，Ｂ及び第５図はこの考案の火災検
知原理を説明するための図である。
１……熱量検出用赤外線センサ、２……炎検出
用赤外線センサ、３，４……ＯＰアンプ、５……
フイルタ回路、６……火災検知回路、７……出力
回路、６１……ＡＤ変換回路、６２……Ｉ／Ｏ、
６３……演算処理回路。
Fig. 1 is a block configuration diagram showing an outline of an embodiment of this invention, Fig. 2 is a flowchart explaining the fire detection operation by the fire detector of this invention, and Fig. 3 is a block diagram showing an outline of an embodiment of this invention.
Figures 4A and 4B and Figure 5 are diagrams for explaining the fire detection principle of this invention. 1... Infrared sensor for heat detection, 2... Infrared sensor for flame detection, 3, 4... OP amplifier, 5...
Filter circuit, 6... Fire detection circuit, 7... Output circuit, 61... AD conversion circuit, 62... I/O,
63... Arithmetic processing circuit.
Claims (1)
検出する熱量検出用赤外線センサと、火災の炎に
より発生する赤外線の量変化を検出する炎検出用
赤外線センサと、前記炎検出用赤外線センサが検
出する炎の量変化が所定の基準値を超え、且つ、
前記熱量検出用赤外線センサが検出する前記熱量
の変化量が所定の基準値を超えた時に、火災検知
信号を発する火災検知回路とを具備したことを特
徴とする火災検知器。 an infrared sensor for detecting heat quantity that quantitatively detects the amount of infrared rays that changes depending on the amount of heat of the fire; an infrared sensor for flame detection that detects changes in the amount of infrared rays generated by the flames of the fire; The change in the amount of flame exceeds a predetermined standard value, and
A fire detector comprising: a fire detection circuit that issues a fire detection signal when the amount of change in the amount of heat detected by the infrared sensor for detecting the amount of heat exceeds a predetermined reference value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10257386U JPS639695U (en) | 1986-07-03 | 1986-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10257386U JPS639695U (en) | 1986-07-03 | 1986-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS639695U true JPS639695U (en) | 1988-01-22 |
Family
ID=30974344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10257386U Pending JPS639695U (en) | 1986-07-03 | 1986-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS639695U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07305438A (en) * | 1994-05-12 | 1995-11-21 | Nippon Alum Co Ltd | External wall structure of building |
| JPH0953288A (en) * | 1995-08-14 | 1997-02-25 | Ykk Architect Prod Kk | Mounting construction of curtain wall unit and mullion bearing the curtain wall unit and joint construction of transom |
-
1986
- 1986-07-03 JP JP10257386U patent/JPS639695U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07305438A (en) * | 1994-05-12 | 1995-11-21 | Nippon Alum Co Ltd | External wall structure of building |
| JPH0953288A (en) * | 1995-08-14 | 1997-02-25 | Ykk Architect Prod Kk | Mounting construction of curtain wall unit and mullion bearing the curtain wall unit and joint construction of transom |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS639695U (en) | ||
| JPS6220340U (en) | ||
| JPS6092385U (en) | Combined fire detector | |
| JPH0242194U (en) | ||
| JPS62118948U (en) | ||
| JPH03126621U (en) | ||
| JPS6289831U (en) | ||
| JPS6262937U (en) | ||
| JPS63129837U (en) | ||
| JPS63173647U (en) | ||
| JPH01115338U (en) | ||
| JPS61102807U (en) | ||
| JPS6448689U (en) | ||
| JPH0433809U (en) | ||
| JPS62160359U (en) | ||
| JPS584085U (en) | Comfort level detection device | |
| JPH03109135U (en) | ||
| JPS62106175U (en) | ||
| JPH0327419U (en) | ||
| JPS6230130U (en) | ||
| JPH0252042U (en) | ||
| JPS6110589U (en) | Infrared object detection device | |
| JPS62105436U (en) | ||
| JPH0464001U (en) | ||
| JPS61127866U (en) |