JPS5819254U - Flammable gas detection device - Google Patents

Flammable gas detection device

Info

Publication number
JPS5819254U
JPS5819254U JP11468281U JP11468281U JPS5819254U JP S5819254 U JPS5819254 U JP S5819254U JP 11468281 U JP11468281 U JP 11468281U JP 11468281 U JP11468281 U JP 11468281U JP S5819254 U JPS5819254 U JP S5819254U
Authority
JP
Japan
Prior art keywords
gas detection
detection device
flammable gas
detection element
flammable
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
JP11468281U
Other languages
Japanese (ja)
Other versions
JPS626530Y2 (en
Inventor
古賀　公一
Original Assignee
松下電工株式会社
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 松下電工株式会社 filed Critical 松下電工株式会社
Priority to JP11468281U priority Critical patent/JPS5819254U/en
Publication of JPS5819254U publication Critical patent/JPS5819254U/en
Application granted granted Critical
Publication of JPS626530Y2 publication Critical patent/JPS626530Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Emergency Alarm Devices (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図は従来例を示す回路図、第２図は検知素子に初め
て通電した時の抵抗Ｒ１の両端電圧を示す特性図、第３
図はバッテリー電源を使用した場合のブロック図、第４
図は本考案の一実施例を示す回路図、第５図は同上に使
用する定電流回路の一実施例を示す回路図である。Fig. 1 is a circuit diagram showing a conventional example, Fig. 2 is a characteristic diagram showing the voltage across resistor R1 when the sensing element is first energized, and Fig. 3
The figure is a block diagram when using battery power.
The figure is a circuit diagram showing an embodiment of the present invention, and FIG. 5 is a circuit diagram showing an embodiment of a constant current circuit used in the same.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 金属酸化物半導体を主成分とするガス検知素子を用いた
可燃性ガス検知装置において、上記ガス検知素子と直列
に定電流回路を接続し、ガス検知素子に流れる電流を所
定値以上にならないようにしたことを特徴とする可燃性
ガス検知装置。In a combustible gas detection device using a gas detection element whose main component is a metal oxide semiconductor, a constant current circuit is connected in series with the gas detection element to prevent the current flowing through the gas detection element from exceeding a predetermined value. A flammable gas detection device characterized by:
JP11468281U 1981-07-31 1981-07-31 Flammable gas detection device Granted JPS5819254U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11468281U JPS5819254U (en) 1981-07-31 1981-07-31 Flammable gas detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11468281U JPS5819254U (en) 1981-07-31 1981-07-31 Flammable gas detection device

Publications (2)

Publication Number Publication Date
JPS5819254U true JPS5819254U (en) 1983-02-05
JPS626530Y2 JPS626530Y2 (en) 1987-02-14

Family

ID=29908955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11468281U Granted JPS5819254U (en) 1981-07-31 1981-07-31 Flammable gas detection device

Country Status (1)

Country Link
JP (1) JPS5819254U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59182585U (en) * 1983-05-24 1984-12-05 立山アルミニウム工業株式会社 automatic closing device for sliding doors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59182585U (en) * 1983-05-24 1984-12-05 立山アルミニウム工業株式会社 automatic closing device for sliding doors

Also Published As

Publication number Publication date
JPS626530Y2 (en) 1987-02-14

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