JPH0344795U - - Google Patents

Info

Publication number
JPH0344795U
JPH0344795U JP10622589U JP10622589U JPH0344795U JP H0344795 U JPH0344795 U JP H0344795U JP 10622589 U JP10622589 U JP 10622589U JP 10622589 U JP10622589 U JP 10622589U JP H0344795 U JPH0344795 U JP H0344795U
Authority
JP
Japan
Prior art keywords
light
receiving element
test
smoke detector
peripheral wall
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
JP10622589U
Other languages
English (en)
Other versions
JP2506305Y2 (ja
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 filed Critical
Priority to JP1989106225U priority Critical patent/JP2506305Y2/ja
Publication of JPH0344795U publication Critical patent/JPH0344795U/ja
Application granted granted Critical
Publication of JP2506305Y2 publication Critical patent/JP2506305Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】
第1図〜第4図は、夫々この考案の実施例を示
す図で、第1図は第2図の−線断面図、第2
図は第4図の−線断面図、第3図は電気回路
を示すブロツク図、第4図は使用状態を示す縦断
面図である。 10……受光素子ホルダ、11……周壁、16
……受光窓、17……試験灯、20……検煙部、
S……受光素子の監視範囲。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 検煙部を囲むラビリンス構造の周壁;受光
    素子ホルダの受光窓の直前に前記周壁と対向して
    設けられ、かつ、受光素子の監視範囲外に位置す
    る試験灯;とを備えたことを特徴とする散乱光式
    煙感知器。 (2) 試験灯が、受光窓の真上に配設されている
    ことを特徴とする請求項第1記載の散乱光式煙感
    知器。 (3) 試験灯が、受光素子ホルダに設けられてい
    ることを特徴とする請求項第1記載の散乱光式煙
    感知器。
JP1989106225U 1989-09-12 1989-09-12 散乱光式煙感知器 Expired - Lifetime JP2506305Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989106225U JP2506305Y2 (ja) 1989-09-12 1989-09-12 散乱光式煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989106225U JP2506305Y2 (ja) 1989-09-12 1989-09-12 散乱光式煙感知器

Publications (2)

Publication Number Publication Date
JPH0344795U true JPH0344795U (ja) 1991-04-25
JP2506305Y2 JP2506305Y2 (ja) 1996-08-07

Family

ID=31654963

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989106225U Expired - Lifetime JP2506305Y2 (ja) 1989-09-12 1989-09-12 散乱光式煙感知器

Country Status (1)

Country Link
JP (1) JP2506305Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013210829A (ja) * 2012-03-30 2013-10-10 Nohmi Bosai Ltd 煙感知器
WO2014136414A1 (ja) * 2013-03-04 2014-09-12 パナソニック株式会社 デバイス

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6133192U (ja) * 1984-07-31 1986-02-28 ホーチキ株式会社 散乱光式煙感知器の試験装置
JPS62121694U (ja) * 1986-01-27 1987-08-01

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6133192U (ja) * 1984-07-31 1986-02-28 ホーチキ株式会社 散乱光式煙感知器の試験装置
JPS62121694U (ja) * 1986-01-27 1987-08-01

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013210829A (ja) * 2012-03-30 2013-10-10 Nohmi Bosai Ltd 煙感知器
WO2014136414A1 (ja) * 2013-03-04 2014-09-12 パナソニック株式会社 デバイス
JPWO2014136414A1 (ja) * 2013-03-04 2017-02-09 パナソニックIpマネジメント株式会社 デバイス
US9958381B2 (en) 2013-03-04 2018-05-01 Panasonic Intellectual Property Management Co., Ltd. Carbon dioxide sensor
US10018556B2 (en) 2013-03-04 2018-07-10 Panasonic Intellectual Property Management Co., Ltd. Gas detecting device including light emitter, light receiver, and an optical member

Also Published As

Publication number Publication date
JP2506305Y2 (ja) 1996-08-07

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