JPS6397197U - - Google Patents
Info
- Publication number
- JPS6397197U JPS6397197U JP18984886U JP18984886U JPS6397197U JP S6397197 U JPS6397197 U JP S6397197U JP 18984886 U JP18984886 U JP 18984886U JP 18984886 U JP18984886 U JP 18984886U JP S6397197 U JPS6397197 U JP S6397197U
- Authority
- JP
- Japan
- Prior art keywords
- power
- circuit
- detection circuit
- power source
- turned
- 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
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
- Stand-By Power Supply Arrangements (AREA)
Description
図面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〜Ｄ５はダイ
オード、Ｃ１〜Ｃ４はコンデンサ、Ｒ１〜Ｒ１３
は抵抗器、ＩＣ１，ＩＣ２は比較器、ＢＺはブザ
ー、Ｔｒ１，Ｔｒ２はトランジスタ、１０は電源
バツクアツプ回路、２０は電源断検出回路、３０
はパルス発振回路、４０はインピーダンス検出回
路、Ｇはゲート回路である。
The drawing 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 D5 are diodes, C1 to C4 are capacitors, R1 to R13
are resistors, IC1 and IC2 are comparators, BZ is a buzzer, Tr1 and Tr2 are transistors, 10 is a power backup circuit, 20 is a power failure detection circuit, 30
4 is a pulse oscillation circuit, 40 is an impedance detection circuit, and 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、前
記交流電源がオフのときパルス電圧を発生するパ
ルス発生回路と、このパルス発生回路の出力を電
源プラグの両極の端子に印加し前記交流電源の電
源プラグの挿脱を検出するインピーダンス検出回
路と、前記電源断検出回路から電源断が検出され
、かつ前記インピーダンス検出回路でプラグの脱
離が検出されたとき警報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-off detection circuit that detects when the AC power supply is turned off; a pulse generation circuit that generates a pulse voltage when the AC power supply is off; An impedance detection circuit for detecting insertion and removal of a plug, and a circuit for outputting an alarm signal when a power interruption is detected by the power interruption detection circuit and detachment of the plug is detected by the impedance detection circuit. A gas leak alarm device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18984886U JPH074719Y2 (en) | 1986-12-11 | 1986-12-11 | Gas leak alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18984886U JPH074719Y2 (en) | 1986-12-11 | 1986-12-11 | Gas leak alarm device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6397197U true JPS6397197U (en) | 1988-06-23 |
| JPH074719Y2 JPH074719Y2 (en) | 1995-02-01 |
Family
ID=31142515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18984886U Expired - Lifetime JPH074719Y2 (en) | 1986-12-11 | 1986-12-11 | Gas leak alarm device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH074719Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016149893A (en) * | 2015-02-13 | 2016-08-18 | 矢崎エナジーシステム株式会社 | Electronic apparatus |
-
1986
- 1986-12-11 JP JP18984886U patent/JPH074719Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016149893A (en) * | 2015-02-13 | 2016-08-18 | 矢崎エナジーシステム株式会社 | Electronic apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH074719Y2 (en) | 1995-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0433127U (en) | ||
| JPS6397197U (en) | ||
| JPS6397196U (en) | ||
| JPS6331492U (en) | ||
| JPS6331490U (en) | ||
| JPH03116490U (en) | ||
| JPS63114396U (en) | ||
| JPS6210658U (en) | ||
| JPS6455737U (en) | ||
| JPS6327278Y2 (en) | ||
| JPH0397678U (en) | ||
| JPS61121309U (en) | ||
| JPS62187879U (en) | ||
| JPS5839697U (en) | gas leak alarm | |
| JPH01157324U (en) | ||
| JPH0280895U (en) | ||
| JPH0432084U (en) | ||
| JPS6417470U (en) | ||
| JPS63182641U (en) | ||
| JPS5839696U (en) | gas leak alarm | |
| JPS62105599U (en) | ||
| JPS5885290U (en) | gas leak alarm | |
| JPH0263195U (en) | ||
| JPS6155789U (en) | ||
| JPS64125U (en) |