JPS6331492U - - Google Patents
Info
- Publication number
- JPS6331492U JPS6331492U JP12529786U JP12529786U JPS6331492U JP S6331492 U JPS6331492 U JP S6331492U JP 12529786 U JP12529786 U JP 12529786U JP 12529786 U JP12529786 U JP 12529786U JP S6331492 U JPS6331492 U JP S6331492U
- Authority
- JP
- Japan
- Prior art keywords
- power
- detection circuit
- circuit
- power source
- gas leak
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
Description
第１図はこの考案の一実施例を示す回路図であ
る。
図中、１は屋内配線、２はブレーカ、３はコン
セント、はガスもれ警報器、は停電検出器、
Ｐはプラグ、Ｓはガスセンサ、Ｄ１〜Ｄ４はダイ
オード、Ｃ１〜Ｃ４はコンデンサ、Ｒ１〜Ｒ１０
は抵抗器、ＩＣ１，ＩＣ２は比較器、ＢＺはブザ
ー、Ｔｒはトランジスタ、ＢＵは電源バツクアツ
プ回路、ＤＳは電源断検出回路、ＡＮＴはアンテ
ナ、ＨＡＭは電源雑音検出回路、ＦＥＴは電界効
果トランジスタ、Ｇはゲート回路である。
FIG. 1 is a circuit diagram showing an embodiment of this invention. In the diagram, 1 is indoor wiring, 2 is a breaker, 3 is an outlet, is a gas leak alarm, is a power outage detector,
P is a plug, S is a gas sensor, D1 to D4 are diodes, C1 to C4 are capacitors, R1 to R10
is a resistor, IC 1 and IC 2 are comparators, BZ is a buzzer, Tr is a transistor, BU is a power backup circuit, DS is a power failure detection circuit, ANT is an antenna, HAM is a power supply noise detection circuit, and FET is a field effect transistor. , G is a gate circuit.
Claims (1)
れ警報器において、常時はコンデンサに充電が行
われ交流電源がオフのとき電源となる電源バツク
アツプ回路を設け、さらに前記交流電源の供給が
断になつたことを検出する電源断検出回路と、配
線部分からの電源雑音を検出する電源雑音検出回
路と、前記電源断検出回路から電源断が検出され
、かつ前記電源雑音検出回路で電源雑音が検出さ
れたとき信号を出力する回路とを設けたことを特
徴とするガスもれ警報装置。 A gas leak alarm that activates at a predetermined gas concentration and generates an alarm is provided with a power backup circuit that charges a capacitor at all times and serves as a power source when the AC power source is turned off, and further includes a power backup circuit that serves as a power source when the AC power source is turned off. a power outage detection circuit that detects a temperature drop; a power noise detection circuit that detects power noise from a wiring section; a power outage is detected by the power outage detection circuit; and a power outage is detected by the power noise detection circuit. A gas leak alarm device characterized in that it is provided with a circuit that outputs a signal when a gas leak alarm occurs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12529786U JPH0449754Y2 (en) | 1986-08-18 | 1986-08-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12529786U JPH0449754Y2 (en) | 1986-08-18 | 1986-08-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6331492U true JPS6331492U (en) | 1988-03-01 |
| JPH0449754Y2 JPH0449754Y2 (en) | 1992-11-24 |
Family
ID=31018072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12529786U Expired JPH0449754Y2 (en) | 1986-08-18 | 1986-08-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449754Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6335192U (en) * | 1986-08-22 | 1988-03-07 |
-
1986
- 1986-08-18 JP JP12529786U patent/JPH0449754Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6335192U (en) * | 1986-08-22 | 1988-03-07 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0449754Y2 (en) | 1992-11-24 |
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