JPS58160338U - Infrared radiation gas alarm device - Google Patents

Infrared radiation gas alarm device

Info

Publication number
JPS58160338U
JPS58160338U JP1982057773U JP5777382U JPS58160338U JP S58160338 U JPS58160338 U JP S58160338U JP 1982057773 U JP1982057773 U JP 1982057773U JP 5777382 U JP5777382 U JP 5777382U JP S58160338 U JPS58160338 U JP S58160338U
Authority
JP
Japan
Prior art keywords
infrared radiation
sample cell
alarm device
solid state
state detector
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
JP1982057773U
Other languages
Japanese (ja)
Other versions
JPH0219716Y2 (en
Inventor
宮武　公夫
耕三 石田
Original Assignee
株式会社堀場製作所
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 株式会社堀場製作所 filed Critical 株式会社堀場製作所
Priority to JP1982057773U priority Critical patent/JPS58160338U/en
Priority to KR1019830001642A priority patent/KR840004596A/en
Publication of JPS58160338U publication Critical patent/JPS58160338U/en
Application granted granted Critical
Publication of JPH0219716Y2 publication Critical patent/JPH0219716Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B15/00—Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives
    • G08B15/02—Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives with smoke, gas, or coloured or odorous powder or liquid

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (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 drawings]

第１図は本考案の一実施例を示す赤外線輻射式ガス警報
装置の構成図、第２図は別の実施例を示す赤外線輻射式
ガス警報装置の構成図である。 １・・・サンプルセル、２・・・ヒーター、４・・・チ
ョッーパー、＄ａ、　８ｂ−警報器、Ｓ、Ｓｌ、Ｓ２・
・・固体検出器、’Ｆ、、Ｆ２・・・バッドパスフィル
ター。FIG. 1 is a block diagram of an infrared radiation type gas alarm device showing one embodiment of the present invention, and FIG. 2 is a block diagram of an infrared radiation type gas alarm device showing another embodiment. 1...Sample cell, 2...Heater, 4...Chopper, $a, 8b-Alarm, S, Sl, S2・
...Solid detector, 'F,, F2...Bad pass filter.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 空気の入口及び出口を有し、周囲にヒーターが装備され
た１つのサンプルセルに対して、サンプルセル内の加熱
空気から輻射される赤外線のチョッパーと、赤外線を検
出する２つの固体検出器あるいは２つの検出エレメント
を備えた２波長力式の１つの固体検出器とを設け、前記
固体検出器の前に中心透過波長４．３μのバンドパスフ
ィルター及び中心過波長３．３μのバンドパスフィルタ
ーを設け、前記固体検出器の出力側には加熱空気中の炭
酸ガスからの赤外線輻射量の測定結果とメタンガスから
の赤外線輻射量の測定結果とに基づいて作動する警報器
を設けであることを特徴とする赤外線輻射式ガス警報装
置。For one sample cell that has an air inlet and outlet and is equipped with a heater around the sample cell, a chopper of infrared rays radiated from the heated air in the sample cell and two solid-state detectors or two that detect infrared rays are installed. one two-wavelength power type solid state detector equipped with two detection elements, and a bandpass filter with a center transmission wavelength of 4.3μ and a bandpass filter with a center excess wavelength of 3.3μ are provided in front of the solid state detector. , characterized in that the output side of the solid state detector is provided with an alarm that operates based on the measurement result of the amount of infrared radiation from carbon dioxide gas in the heated air and the measurement result of the amount of infrared radiation from methane gas. Infrared radiation gas alarm device.
JP1982057773U 1982-04-21 1982-04-21 Infrared radiation gas alarm device Granted JPS58160338U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1982057773U JPS58160338U (en) 1982-04-21 1982-04-21 Infrared radiation gas alarm device
KR1019830001642A KR840004596A (en) 1982-04-21 1983-04-19 Infrared radiation gas alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982057773U JPS58160338U (en) 1982-04-21 1982-04-21 Infrared radiation gas alarm device

Publications (2)

Publication Number Publication Date
JPS58160338U true JPS58160338U (en) 1983-10-25
JPH0219716Y2 JPH0219716Y2 (en) 1990-05-30

Family

ID=30068199

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982057773U Granted JPS58160338U (en) 1982-04-21 1982-04-21 Infrared radiation gas alarm device

Country Status (2)

Country Link
JP (1) JPS58160338U (en)
KR (1) KR840004596A (en)

Also Published As

Publication number Publication date
JPH0219716Y2 (en) 1990-05-30
KR840004596A (en) 1984-10-22

Similar Documents

Publication Publication Date Title
JPS6117654U (en) infrared gas analyzer
JPS58136757U (en) Infrared radiation gas analyzer
GB1396760A (en) Non-dispersive infrared gas analyzer having sample and reference beams using flow sensitive detector and with unbalanced operation
JPS58160338U (en) Infrared radiation gas alarm device
JPH0330847Y2 (en)
JPS58136756U (en) Infrared radiation gas analyzer
JPS6041850U (en) gas analyzer
JPS58160339U (en) Infrared radiation gas analyzer
JPS58136758U (en) Infrared radiation gas analyzer
JPS58136759U (en) Infrared radiation gas analyzer
JPS6329239Y2 (en)
JPS60173059U (en) infrared gas analyzer
JPS58136760U (en) Infrared radiation gas analyzer
JPS60165847U (en) Calibration mechanism of infrared analyzer
JPS58138193U (en) Combined fire detector
JPS6434553U (en)
JPS611156U (en) Gas concentration measuring device
JPS58136763U (en) Infrared radiation gas analyzer
JPS598142U (en) Optical rot detection device
JPS61202061U (en)
JPH0729450U (en) Infrared sensor for measuring gas concentration
JPS5871895U (en) Gas leak alarm device
JPS61154555U (en)
JPS5858679U (en) Infrared banknote verification device
JPS639695U (en)