JPS60118905U - gas leak alarm - Google Patents

gas leak alarm

Info

Publication number
JPS60118905U
JPS60118905U JP390784U JP390784U JPS60118905U JP S60118905 U JPS60118905 U JP S60118905U JP 390784 U JP390784 U JP 390784U JP 390784 U JP390784 U JP 390784U JP S60118905 U JPS60118905 U JP S60118905U
Authority
JP
Japan
Prior art keywords
indicator light
gas
alarm
gas leak
leak alarm
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
JP390784U
Other languages
Japanese (ja)
Other versions
JPH0353353Y2 (en
Inventor
望月 幹夫
Original Assignee
能美防災株式会社
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 能美防災株式会社 filed Critical 能美防災株式会社
Priority to JP390784U priority Critical patent/JPS60118905U/en
Publication of JPS60118905U publication Critical patent/JPS60118905U/en
Application granted granted Critical
Publication of JPH0353353Y2 publication Critical patent/JPH0353353Y2/ja
Granted legal-status Critical Current

Links

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、本考案の第1実施例を示す図、第2図は本考
案の第2実施例を示す図、第3図は第1図と第2図の出
力■1 と■2のタイムチャートを示す図、第4図は本
考案の第3実施例を示す図、第5図、第6図は、本考案
の第4実施例を示す・図、第7図、第8図は本考案の第
5実施例を示す図である。 2・・・検知可能表示灯、5・・・金属酸化物半導体、
G・・・ガス検知素子。 第3図 vl 2 第5図 0 11ノ 〒r / − 第6図 1110  “  。
Figure 1 shows the first embodiment of the present invention, Figure 2 shows the second embodiment of the invention, and Figure 3 shows the outputs ■1 and ■2 of Figures 1 and 2. FIG. 4 is a diagram showing a time chart, FIG. 4 is a diagram showing a third embodiment of the present invention, FIGS. 5 and 6 are diagrams showing a fourth embodiment of the present invention, FIG. 7, and FIG. It is a figure which shows the 5th Example of this invention. 2...Detectable indicator light, 5...Metal oxide semiconductor,
G...Gas detection element. Fig. 3 vl 2 Fig. 5 0 11 no r / - Fig. 6 1110 ".

Claims (1)

【実用新案登録請求の範囲】 ■ ガスに接触することによりその電気抵抗値が変化す
るガス検知素子の温度を、ガスの検知に適当な低温とパ
ージに適当な高温とに交互に加−熱し、低温時にガスを
検知して警報を発するガス漏れ警報器において、ガスの
検知に適当な低温時に、ガスの検知が可能なことを知ら
せる検知可能表示灯を設けたことを特徴とするガス漏れ
ツーr報器。 2 検知可能表示灯が、警報表示灯と兼用されているこ
とを特徴とする実用新案登録請求の範囲第1項記載のガ
ス漏れ警報器。 3 検知可能表示灯が、電源監視表示灯と兼用されてい
ることを特徴とする実用新案登録請求の範囲第1項記載
のガス漏れ1報器。 4 検知可能表示灯と警報表示灯及び電源監視灯を夫々
別個に設けたことを特徴とする実用新案登録請求の範囲
第1項記載のガス漏れ警報器。 5 検知可能表示灯が、警報器に着脱自在にけられたこ
とを特徴とする実用新案登録請求の範囲第1項または第
4項のいずれか記載のガス漏れ警報器。
[Claims for Utility Model Registration] ■ The temperature of a gas detection element whose electrical resistance value changes when it comes into contact with gas is alternately heated to a low temperature suitable for gas detection and a high temperature suitable for purge, A gas leak alarm device that detects gas and issues an alarm at low temperatures, characterized by being equipped with a detectable indicator light that indicates that gas detection is possible at low temperatures suitable for gas detection. Alarm device. 2. The gas leak alarm according to claim 1, wherein the detectable indicator light also serves as an alarm indicator light. 3. The gas leak alarm device according to claim 1, wherein the detectable indicator light is also used as a power monitoring indicator light. 4. The gas leak alarm device according to claim 1 of the utility model registration, characterized in that a detectable indicator light, an alarm indicator light, and a power monitoring light are provided separately. 5. The gas leak alarm according to claim 1 or 4, wherein the detectable indicator light is detachably attached to the alarm.
JP390784U 1984-01-14 1984-01-14 gas leak alarm Granted JPS60118905U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP390784U JPS60118905U (en) 1984-01-14 1984-01-14 gas leak alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP390784U JPS60118905U (en) 1984-01-14 1984-01-14 gas leak alarm

Publications (2)

Publication Number Publication Date
JPS60118905U true JPS60118905U (en) 1985-08-12
JPH0353353Y2 JPH0353353Y2 (en) 1991-11-21

Family

ID=30478974

Family Applications (1)

Application Number Title Priority Date Filing Date
JP390784U Granted JPS60118905U (en) 1984-01-14 1984-01-14 gas leak alarm

Country Status (1)

Country Link
JP (1) JPS60118905U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6184553U (en) * 1984-11-07 1986-06-04

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52161696U (en) * 1976-06-01 1977-12-07
JPS5343320A (en) * 1976-09-30 1978-04-19 Aisin Seiki Co Ltd Outrigger for truck-mounted crane
JPS5522607U (en) * 1978-07-31 1980-02-14
JPS58106688A (en) * 1981-12-18 1983-06-25 松下電器産業株式会社 Gas leakage alarm
JPS58223050A (en) * 1982-06-21 1983-12-24 Hitachi Ltd Gas detecting device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52161696U (en) * 1976-06-01 1977-12-07
JPS5343320A (en) * 1976-09-30 1978-04-19 Aisin Seiki Co Ltd Outrigger for truck-mounted crane
JPS5522607U (en) * 1978-07-31 1980-02-14
JPS58106688A (en) * 1981-12-18 1983-06-25 松下電器産業株式会社 Gas leakage alarm
JPS58223050A (en) * 1982-06-21 1983-12-24 Hitachi Ltd Gas detecting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6184553U (en) * 1984-11-07 1986-06-04

Also Published As

Publication number Publication date
JPH0353353Y2 (en) 1991-11-21

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