JPS6034857U - fire detector - Google Patents

fire detector

Info

Publication number
JPS6034857U
JPS6034857U JP12662183U JP12662183U JPS6034857U JP S6034857 U JPS6034857 U JP S6034857U JP 12662183 U JP12662183 U JP 12662183U JP 12662183 U JP12662183 U JP 12662183U JP S6034857 U JPS6034857 U JP S6034857U
Authority
JP
Japan
Prior art keywords
fire detector
diaphragm
air chamber
air
hole
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
Application number
JP12662183U
Other languages
Japanese (ja)
Inventor
野中　昌久
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 JP12662183U priority Critical patent/JPS6034857U/en
Publication of JPS6034857U publication Critical patent/JPS6034857U/en
Pending legal-status Critical Current

Links

Landscapes

  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (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) [Abstract] 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図は本考案による一実施例を示す断面図、第２図は
第１図における本考案の要部を拡大して示した断面図で
ある。 １：受熱板、２：ダイアフラム、３：仕切板、４：固着
部、５：空気室、６ａ、６ｂ：検出接点、７：絶縁部、
８：通気孔、９：細孔。FIG. 1 is a cross-sectional view showing an embodiment of the present invention, and FIG. 2 is a cross-sectional view showing an enlarged main part of the present invention in FIG. 1: heat receiving plate, 2: diaphragm, 3: partition plate, 4: fixed part, 5: air chamber, 6a, 6b: detection contact, 7: insulation part,
8: ventilation hole, 9: pore.

Claims (1)

【実用新案登録請求の範囲】 受熱板とダイアフラムとで空気室を形成し、火災による
温度上昇を該空気室の空気の膨張による前記ダイアフラ
ムの湾曲動作で検出する火災感知器において、 前記ダイアフラムに細孔を設け、緩慢な温度上昇で膨張
した空気室の空気を該細孔を介してリークさせ、前記ダ
イアフラムの湾曲動作を阻止するようにしたことを特徴
とする火災感知器。[Claims for Utility Model Registration] A fire detector in which an air chamber is formed by a heat receiving plate and a diaphragm, and a temperature rise due to a fire is detected by the bending action of the diaphragm due to the expansion of air in the air chamber, A fire detector characterized in that a hole is provided so that air expanded by a slow temperature rise in the air chamber is leaked through the hole to prevent the diaphragm from bending.
JP12662183U 1983-08-16 1983-08-16 fire detector Pending JPS6034857U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12662183U JPS6034857U (en) 1983-08-16 1983-08-16 fire detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12662183U JPS6034857U (en) 1983-08-16 1983-08-16 fire detector

Publications (1)

Publication Number Publication Date
JPS6034857U true JPS6034857U (en) 1985-03-09

Family

ID=30287860

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12662183U Pending JPS6034857U (en) 1983-08-16 1983-08-16 fire detector

Country Status (1)

Country Link
JP (1) JPS6034857U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6251485U (en) * 1985-09-12 1987-03-31
JPS6251487U (en) * 1985-09-12 1987-03-31

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB735766A (en) * 1952-10-23 1955-08-31 Joseph Peppo Levy Improvements in or relating to burglar alarm and like warning systems

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB735766A (en) * 1952-10-23 1955-08-31 Joseph Peppo Levy Improvements in or relating to burglar alarm and like warning systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6251485U (en) * 1985-09-12 1987-03-31
JPS6251487U (en) * 1985-09-12 1987-03-31

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