JPS5988793U - 熱式火災感知器 - Google Patents

熱式火災感知器

Info

Publication number
JPS5988793U
JPS5988793U JP18261082U JP18261082U JPS5988793U JP S5988793 U JPS5988793 U JP S5988793U JP 18261082 U JP18261082 U JP 18261082U JP 18261082 U JP18261082 U JP 18261082U JP S5988793 U JPS5988793 U JP S5988793U
Authority
JP
Japan
Prior art keywords
light emitting
circuit
modulated light
fire detector
output
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
JP18261082U
Other languages
English (en)
Other versions
JPH0330952Y2 (ja
Inventor
岡崎　利彰
Original Assignee
能美防災工業株式会社
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 能美防災工業株式会社 filed Critical 能美防災工業株式会社
Priority to JP18261082U priority Critical patent/JPS5988793U/ja
Priority to DE8383111869T priority patent/DE3373736D1/de
Priority to EP19830111869 priority patent/EP0113046B1/en
Priority to ES83528187A priority patent/ES8501552A1/es
Publication of JPS5988793U publication Critical patent/JPS5988793U/ja
Application granted granted Critical
Publication of JPH0330952Y2 publication Critical patent/JPH0330952Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Light Guides In General And Applications Therefor (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。

Description

【図面の簡単な説明】
図面はこの考案による熱式火災感知器の１実施例の系統
図である。 １・・・・・・低温で損傷を受ける光ファイバ、２・・
・・・・発光素子、３・・・・・・発光電流供給回路、
４・・・・・・変調回路、５・・・・・・発振器、６・
・・・・・光電素子、７・・・・・・増幅器、訃・・・
・・帯域通過フィルタ、９・・・・・・火災判別回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 １　発光素子と、上記発光素子に変調発光電流を供給す
    る回路と、゛上記発光素子より変調光が供給される低温
    で断線や溶融などの損傷を受ける光ファイバと、上記光
    ファイバから光を受光する光電素子と、上記光電素子の
    受光出力のうち変調光成分の受光出力を検出して火災発
    生の有無を判別する回路とを有する熱式火災感知器。 ２　変調発光電流を供給する回路は変調発光電流を間欠
    的に発光素子に供給するように構成され、火災発生の有
    無を判別する回路は上記変調発光電流の出力と同期して
    受光出力を検出するように構成されてなる実用新案登録
    請求の範囲第１項記載の熱式火災感知器。
JP18261082U 1982-12-03 1982-12-03 熱式火災感知器 Granted JPS5988793U (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP18261082U JPS5988793U (ja) 1982-12-03 1982-12-03 熱式火災感知器
DE8383111869T DE3373736D1 (en) 1982-12-03 1983-11-26 Heat detector
EP19830111869 EP0113046B1 (en) 1982-12-03 1983-11-26 Heat detector
ES83528187A ES8501552A1 (es) 1982-12-03 1983-12-02 Perfeccionamientos en detectores de calor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18261082U JPS5988793U (ja) 1982-12-03 1982-12-03 熱式火災感知器

Publications (2)

Publication Number Publication Date
JPS5988793U true JPS5988793U (ja) 1984-06-15
JPH0330952Y2 JPH0330952Y2 (ja) 1991-06-28

Family

ID=16121297

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18261082U Granted JPS5988793U (ja) 1982-12-03 1982-12-03 熱式火災感知器

Country Status (4)

Country Link
EP (1) EP0113046B1 (ja)
JP (1) JPS5988793U (ja)
DE (1) DE3373736D1 (ja)
ES (1) ES8501552A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2203832B (en) * 1987-04-16 1991-03-20 Graviner Ltd Fire detection
FR2818166B1 (fr) 2000-12-20 2003-10-31 Coatex Sas Agent d'aide au broyage et/ou de dispersion de materiaux mineraux en suspension aqueuse. suspensions aqueuses obtenues et leurs utilisations
CN116343426B (zh) * 2023-03-20 2023-09-08 享成安全科技(南京)有限公司 一种带位置指示的缆式线型感温火灾探测器及其使用方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5070890U (ja) * 1973-10-31 1975-06-23
JPS5288991U (ja) * 1975-12-26 1977-07-02

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2265107B1 (ja) * 1974-03-20 1981-09-25 Sumitomo Electric Industries
US4379289A (en) * 1979-03-08 1983-04-05 Gte Laboratories Incorporated Fiber optics security system
CH639789A5 (de) * 1979-08-15 1983-11-30 Benno Perren Selbstueberwachende warnanlage.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5070890U (ja) * 1973-10-31 1975-06-23
JPS5288991U (ja) * 1975-12-26 1977-07-02

Also Published As

Publication number Publication date
EP0113046A3 (en) 1984-12-05
JPH0330952Y2 (ja) 1991-06-28
ES528187A0 (es) 1984-11-16
ES8501552A1 (es) 1984-11-16
DE3373736D1 (en) 1987-10-22
EP0113046B1 (en) 1987-09-16
EP0113046A2 (en) 1984-07-11

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