JPS593363U - ionization smoke detector - Google Patents

ionization smoke detector

Info

Publication number
JPS593363U
JPS593363U JP9667182U JP9667182U JPS593363U JP S593363 U JPS593363 U JP S593363U JP 9667182 U JP9667182 U JP 9667182U JP 9667182 U JP9667182 U JP 9667182U JP S593363 U JPS593363 U JP S593363U
Authority
JP
Japan
Prior art keywords
electrode
circuit board
electric circuit
smoke detector
ionization smoke
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
JP9667182U
Other languages
Japanese (ja)
Inventor
耕平 山田
大西　巌
光男 長谷川
伊藤　章二
Original Assignee
ニツタン株式会社
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 ニツタン株式会社 filed Critical ニツタン株式会社
Priority to JP9667182U priority Critical patent/JPS593363U/en
Publication of JPS593363U publication Critical patent/JPS593363U/en
Pending legal-status Critical Current

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  • 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]

図面は、この考案のイオン化式煙感知器の実施例を示す
縦断面図である。 １・・・放射線源、２・・・内部電極、３・・・中間電
極、４・・・外部電極、７・・・シールドケース、９・
・・電気回路基板、１０・・・支持体。The drawing is a longitudinal sectional view showing an embodiment of the ionization type smoke detector of this invention. DESCRIPTION OF SYMBOLS 1... Radiation source, 2... Internal electrode, 3... Intermediate electrode, 4... External electrode, 7... Shield case, 9...
...Electric circuit board, 10... Support body.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 放射線源を有する内部電極と、土間電極とで内−部イオ
ン室を形成し、上記中間電極と、外部電極とて煙の侵入
しうる外部イオン室を形成するイオン化式煙感知器にお
いて、上記外部電極に連接したシールドケース内に、電
気回路基板と、該電気回路基板に接触せずに挿通した上
記中間電極を支持する絶縁性の支持体とを設けたことを
特徴とするイオン化式煙感知器。An ionization type smoke sensor in which an internal electrode having a radiation source and a dirt floor electrode form an internal ion chamber, and the intermediate electrode and an external electrode form an external ion chamber into which smoke can enter; An ionization type smoke detector characterized in that an electric circuit board and an insulating support supporting the intermediate electrode inserted through the electric circuit board without contacting the electric circuit board are provided in a shield case connected to the electrode. .
JP9667182U 1982-06-29 1982-06-29 ionization smoke detector Pending JPS593363U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9667182U JPS593363U (en) 1982-06-29 1982-06-29 ionization smoke detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9667182U JPS593363U (en) 1982-06-29 1982-06-29 ionization smoke detector

Publications (1)

Publication Number Publication Date
JPS593363U true JPS593363U (en) 1984-01-10

Family

ID=30230285

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9667182U Pending JPS593363U (en) 1982-06-29 1982-06-29 ionization smoke detector

Country Status (1)

Country Link
JP (1) JPS593363U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63103191U (en) * 1986-12-24 1988-07-04
JPS6457592U (en) * 1987-10-05 1989-04-10

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63103191U (en) * 1986-12-24 1988-07-04
JPS6457592U (en) * 1987-10-05 1989-04-10

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