JPS60192092U - Dimming smoke detector - Google Patents
Dimming smoke detectorInfo
- Publication number
- JPS60192092U JPS60192092U JP7736884U JP7736884U JPS60192092U JP S60192092 U JPS60192092 U JP S60192092U JP 7736884 U JP7736884 U JP 7736884U JP 7736884 U JP7736884 U JP 7736884U JP S60192092 U JPS60192092 U JP S60192092U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- receiver
- smoke detector
- power supply
- oscillation circuit
- 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
Links
Landscapes
- Fire-Detection Mechanisms (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図は本発明の一実施例を示すブロック回路図、第2
図は同上の要部具体回路図、第3図は同上の他の実施例
を示す要部具体回路図、第4図は同上の動作を示すタイ
ム−チャートである。
1は受信機、2は信号機、3は定電圧回路、4は定電流
回路、5は間欠発振回路、6はスイッチング素子、7は
投光部、8は受光部、9は定電圧回路、10はバッテリ
、11および12はスイッチ、13は5CRXCIC2
はコンデンサ、Qはトランジスタ、R1−R7は抵抗、
Dはダイオード、ICはコンパレータ。FIG. 1 is a block circuit diagram showing one embodiment of the present invention, and FIG.
FIG. 3 is a specific circuit diagram of the main part showing another embodiment of the same as the above, and FIG. 4 is a time chart showing the operation of the same as the above. 1 is a receiver, 2 is a traffic light, 3 is a constant voltage circuit, 4 is a constant current circuit, 5 is an intermittent oscillation circuit, 6 is a switching element, 7 is a light emitter, 8 is a light receiver, 9 is a constant voltage circuit, 10 is a battery, 11 and 12 are switches, 13 is 5CRXCIC2
is a capacitor, Q is a transistor, R1-R7 are resistors,
D is a diode and IC is a comparator.
Claims (2)
光率を測定することに孝り光路内の煙の有無を感知する
ようにした構成において、信号線を通して受信機側から
供給される電源電流によりコンチンを充電せしめ、間欠
発振回路で制御されるスイッチング素子により投光部お
よび受光部にコンデンサからパルス状の電源電流を供給
するようにして相る減光式感知器。(1) In a configuration in which the emitter and receiver are installed separately to measure the attenuation rate of the received light flux, and the presence or absence of smoke in the optical path is sensed, the signal line is passed to the receiver. A dimming type sensor in which the contin is charged by a power supply current supplied from the capacitor, and a switching element controlled by an intermittent oscillation circuit supplies a pulsed power supply current from a capacitor to a light emitter and a light receiver.
端子を設けると共に、上記間欠発振回路のパルス繰り返
し周期を切り換える手段を設けて成る実用新案登録請求
の範囲第1項記載の減光式煙感知器。(2) A dimming type smoke detector according to claim 1, which is provided with a connection terminal for connecting a battery in parallel with the capacitor, and also includes means for switching the pulse repetition period of the intermittent oscillation circuit. .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7736884U JPS60192092U (en) | 1984-05-25 | 1984-05-25 | Dimming smoke detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7736884U JPS60192092U (en) | 1984-05-25 | 1984-05-25 | Dimming smoke detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60192092U true JPS60192092U (en) | 1985-12-20 |
JPH0421183Y2 JPH0421183Y2 (en) | 1992-05-14 |
Family
ID=30620374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7736884U Granted JPS60192092U (en) | 1984-05-25 | 1984-05-25 | Dimming smoke detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60192092U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60250231A (en) * | 1984-05-25 | 1985-12-10 | Matsushita Electric Works Ltd | Projective and receiving light sensor |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56128557U (en) * | 1980-02-29 | 1981-09-30 | ||
JPS5852519U (en) * | 1981-10-06 | 1983-04-09 | ミノルタ株式会社 | Magnifier built-in magnifier for single-lens reflex cameras |
-
1984
- 1984-05-25 JP JP7736884U patent/JPS60192092U/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56128557U (en) * | 1980-02-29 | 1981-09-30 | ||
JPS5852519U (en) * | 1981-10-06 | 1983-04-09 | ミノルタ株式会社 | Magnifier built-in magnifier for single-lens reflex cameras |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60250231A (en) * | 1984-05-25 | 1985-12-10 | Matsushita Electric Works Ltd | Projective and receiving light sensor |
Also Published As
Publication number | Publication date |
---|---|
JPH0421183Y2 (en) | 1992-05-14 |
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