JPS60192092U - Dimming smoke detector - Google Patents

Dimming smoke detector

Info

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
Application number
JP7736884U
Other languages
Japanese (ja)
Other versions
JPH0421183Y2 (en
Inventor
剛嗣 和田
Original Assignee
松下電工株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 松下電工株式会社 filed Critical 松下電工株式会社
Priority to JP7736884U priority Critical patent/JPS60192092U/en
Publication of JPS60192092U publication Critical patent/JPS60192092U/en
Application granted granted Critical
Publication of JPH0421183Y2 publication Critical patent/JPH0421183Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）投光部と受光部薯を分離して設置し受光光束の減
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. （２）上記コンデンサと並列にバッテリを接続する接続
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. .
JP7736884U 1984-05-25 1984-05-25 Dimming smoke detector Granted JPS60192092U (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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