JPS5885286U - Thermal fire detector - Google Patents

Thermal fire detector

Info

Publication number
JPS5885286U
JPS5885286U JP17966181U JP17966181U JPS5885286U JP S5885286 U JPS5885286 U JP S5885286U JP 17966181 U JP17966181 U JP 17966181U JP 17966181 U JP17966181 U JP 17966181U JP S5885286 U JPS5885286 U JP S5885286U
Authority
JP
Japan
Prior art keywords
face
fire detector
thermal fire
heat
optical fiber
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
JP17966181U
Other languages
Japanese (ja)
Other versions
JPS605430Y2 (en
Inventor
沢　宏
宮部　厚
上中　順位
斉藤　良房
博司 中山
博志 石田
Original Assignee
ホーチキ株式会社
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 ホーチキ株式会社 filed Critical ホーチキ株式会社
Priority to JP17966181U priority Critical patent/JPS605430Y2/en
Publication of JPS5885286U publication Critical patent/JPS5885286U/en
Application granted granted Critical
Publication of JPS605430Y2 publication Critical patent/JPS605430Y2/en
Expired legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
  • Thermally Actuated Switches (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 the drawing]

第１図は本考案の一実施例を示した断面説明図、第２図
は第１図の実施例の作動状態を示した断面説明図、第３
図は本考案の他の実施例を示した断面説明図、第４図は
第３図の実施例の作動状態を示した断面説明図である。Fig. 1 is an explanatory cross-sectional view showing one embodiment of the present invention, Fig. 2 is an explanatory cross-sectional view showing the operating state of the embodiment of Fig.
The figure is an explanatory cross-sectional view showing another embodiment of the present invention, and FIG. 4 is an explanatory cross-sectional view showing the operating state of the embodiment of FIG. 3.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 感知器筐体内に、往路用光ファイバーの終端面と復路用
光ファイバーの始端面を所定間隔を離して対向させ、両
光ファイバーの終端面と始端面との間を軟質材料で形成
した中空パイプで接続し、火災による熱を検出したとき
の受熱応動部の変形により上記中空パイプを潰させるよ
うに構成したことを特徴とする熱式火災感知器。Inside the sensor housing, the terminal end face of the outgoing optical fiber and the starting end face of the return optical fiber are placed opposite to each other with a predetermined distance apart, and the terminal end face and the starting end face of both optical fibers are connected by a hollow pipe made of a soft material. . A thermal fire detector, characterized in that the hollow pipe is collapsed by deformation of the heat-receiving response part when heat from a fire is detected.
JP17966181U 1981-12-02 1981-12-02 Thermal fire detector Expired JPS605430Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17966181U JPS605430Y2 (en) 1981-12-02 1981-12-02 Thermal fire detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17966181U JPS605430Y2 (en) 1981-12-02 1981-12-02 Thermal fire detector

Publications (2)

Publication Number Publication Date
JPS5885286U true JPS5885286U (en) 1983-06-09
JPS605430Y2 JPS605430Y2 (en) 1985-02-19

Family

ID=29975556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17966181U Expired JPS605430Y2 (en) 1981-12-02 1981-12-02 Thermal fire detector

Country Status (1)

Country Link
JP (1) JPS605430Y2 (en)

Also Published As

Publication number Publication date
JPS605430Y2 (en) 1985-02-19

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