JPH0350299U - - Google Patents
Info
- Publication number
- JPH0350299U JPH0350299U JP9059590U JP9059590U JPH0350299U JP H0350299 U JPH0350299 U JP H0350299U JP 9059590 U JP9059590 U JP 9059590U JP 9059590 U JP9059590 U JP 9059590U JP H0350299 U JPH0350299 U JP H0350299U
- Authority
- JP
- Japan
- Prior art keywords
- indicator light
- gas
- leak alarm
- gas leak
- temperature suitable
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims 2
- 238000010926 purge Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Emergency Alarm Devices (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Description
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Ｖ１とＶ２のタイムチヤートを
示す図、第４図は本考案の第３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。
FIG. 1 is a diagram showing the first embodiment of the present invention, and FIG.
The figure shows the second embodiment of the present invention, and Figure 3 shows the first embodiment.
FIG. 4 is a diagram showing a third embodiment of the present invention,
It is. 2...Detectable indicator light, 5...Metal oxide semiconductor, G...Gas detection element.
Claims (1)
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変化
させ、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、前記ガス検知素子がガスの
検知に適当な低温時であるか否かを判別する判別
手段と、該判別手段の判別出力によりガスの検知
が可能なことを知らせる検知可能表示灯とを設け
たことを特徴とするガス漏れ警報器。 (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。 (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。[Claims for Utility Model Registration] (1) The temperature of a gas detection element whose electrical resistance value changes when it comes into contact with gas is alternately changed between a low temperature suitable for gas detection and a high temperature suitable for purging. , a gas leak alarm that detects gas at low temperatures and issues an alarm, including a determination means for determining whether or not the gas detection element is at a low temperature suitable for gas detection; A gas leak alarm, characterized in that it is equipped with a detectable indicator light that indicates that detection is possible. (2) The gas leak alarm device according to claim 1, wherein the detectable indicator light also serves as a warning 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 claim, characterized in that a detectable indicator light, a warning indicator light, and a power supply monitoring light are each provided separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9059590U JPH0350299U (en) | 1990-08-29 | 1990-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9059590U JPH0350299U (en) | 1990-08-29 | 1990-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0350299U true JPH0350299U (en) | 1991-05-16 |
Family
ID=31640111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9059590U Pending JPH0350299U (en) | 1990-08-29 | 1990-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0350299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007068499A (en) * | 2005-09-09 | 2007-03-22 | National Agriculture & Food Research Organization | Crushing device of unhulled forage rice |
-
1990
- 1990-08-29 JP JP9059590U patent/JPH0350299U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007068499A (en) * | 2005-09-09 | 2007-03-22 | National Agriculture & Food Research Organization | Crushing device of unhulled forage rice |
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