JPH01164596U - - Google Patents
Info
- Publication number
- JPH01164596U JPH01164596U JP5675388U JP5675388U JPH01164596U JP H01164596 U JPH01164596 U JP H01164596U JP 5675388 U JP5675388 U JP 5675388U JP 5675388 U JP5675388 U JP 5675388U JP H01164596 U JPH01164596 U JP H01164596U
- Authority
- JP
- Japan
- Prior art keywords
- light
- emitting element
- smoke
- gas
- gas sensor
- 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
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Description
第１図は本考案に係る煙・ガス検出装置の一実
施例の回路図、第２図は第１図で示すガスセンサ
の電気特性図、第３図は第１図で示す動作制御回
路の制御動作を示す図、第４図は第１図で示す実
施例の外観を示す正面図、第５図は第１図で示す
実施例の作用を説明するタイムチヤート、第６図
は本考案の他の実施例の回路図、第７図は第６図
を示す実施例のガス、煙検出用発光素子のＯＮ―
ＯＦＦ状態を示す図である。
２……ガスセンサ、３……比較器、５……赤外
線発光ダイオード（発光素子）、６……受光素子
、７……動作制御回路。
Fig. 1 is a circuit diagram of an embodiment of the smoke/gas detection device according to the present invention, Fig. 2 is an electrical characteristic diagram of the gas sensor shown in Fig. 1, and Fig. 3 is a control of the operation control circuit shown in Fig. 1. 4 is a front view showing the external appearance of the embodiment shown in FIG. 1, FIG. 5 is a time chart explaining the operation of the embodiment shown in FIG. 1, and FIG. 6 is a diagram showing the embodiment shown in FIG. FIG. 7 is a circuit diagram of the embodiment shown in FIG. 6.
It is a figure showing an OFF state. 2... Gas sensor, 3... Comparator, 5... Infrared light emitting diode (light emitting element), 6... Light receiving element, 7... Operation control circuit.
Claims (1)
からのセンサ出力に応じて発光する発光素子と、
この発光素子から発光を受光する受光素子とを有
し、この受光素子と上記発光素子との間に煙を導
入してこの煙により発光素子の発光を遮光させ得
るように構成したことを特徴とする煙・ガス検出
装置。 A gas sensor that detects gas, a light emitting element that emits light according to the sensor output from this gas sensor,
The light-receiving element receives light from the light-emitting element, and smoke is introduced between the light-receiving element and the light-emitting element so that the smoke can block the light emitted from the light-emitting element. Smoke and gas detection equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5675388U JPH01164596U (en) | 1988-04-28 | 1988-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5675388U JPH01164596U (en) | 1988-04-28 | 1988-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01164596U true JPH01164596U (en) | 1989-11-16 |
Family
ID=31282622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5675388U Pending JPH01164596U (en) | 1988-04-28 | 1988-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01164596U (en) |
-
1988
- 1988-04-28 JP JP5675388U patent/JPH01164596U/ja active Pending
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