JPS6059148U - Gas detector initial malfunction prevention circuit - Google Patents
Gas detector initial malfunction prevention circuitInfo
- Publication number
- JPS6059148U JPS6059148U JP14961783U JP14961783U JPS6059148U JP S6059148 U JPS6059148 U JP S6059148U JP 14961783 U JP14961783 U JP 14961783U JP 14961783 U JP14961783 U JP 14961783U JP S6059148 U JPS6059148 U JP S6059148U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- gas detector
- malfunction prevention
- capacitor
- prevention circuit
- 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
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来周知のガス検知器のブロック図、第2図、
第3図は本考案の一実施例ガス検知器のブロック図並び
に具体的回路構成図である。
図で1はガス検知素子、2は検知回路、3は警報回路、
4はタイマ回路、5は蓄積回路、C1はコンデンサ、R
1は抵抗、QはコンデンサC1の短絡用トランジスタ、
LEDは警報表示灯、CM□= CM2は比軟器。Figure 1 is a block diagram of a conventionally known gas detector;
FIG. 3 is a block diagram and a specific circuit configuration diagram of a gas detector according to an embodiment of the present invention. In the figure, 1 is the gas detection element, 2 is the detection circuit, 3 is the alarm circuit,
4 is a timer circuit, 5 is a storage circuit, C1 is a capacitor, R
1 is a resistor, Q is a short-circuit transistor for capacitor C1,
The LED is a warning indicator, and CM□=CM2 is a softener.
Claims (3)
サからなる蓄積回路を有するタイプのガス検知器におい
て、電源投入初期の一定時間タイマ回路の出力により、
前記蓄積回路のコンデンサの両端を短絡するようにした
ことを特徴とするガス検知器の初期誤動作防止回路。(1) In a type of gas detector that has a storage circuit consisting of a resistor and a capacitor between the gas detection circuit and the alarm circuit, the output of the timer circuit for a certain period of time when the power is initially turned on
An initial malfunction prevention circuit for a gas detector, characterized in that both ends of a capacitor of the storage circuit are short-circuited.
ンジスタのような電子スイッチを用いるようにした実用
新案登録請求の範囲第1項記載の、ガス検知器の初期誤
動作防止回路。(2) An initial malfunction prevention circuit for a gas detector according to claim 1, which uses an electronic switch such as a transistor to short-circuit both ends of a capacitor of a storage circuit.
ンデンサの充電時間中前記電子スイッチをオンにするよ
うにした実用新案登録請求の範囲第1項記載のガス検知
器の初期誤動作防止回路。(3) The initial malfunction prevention circuit for a gas detector according to claim 1, wherein the timer circuit utilizes capacitor charging to turn on the electronic switch during the charging time of the capacitor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14961783U JPS6059148U (en) | 1983-09-29 | 1983-09-29 | Gas detector initial malfunction prevention circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14961783U JPS6059148U (en) | 1983-09-29 | 1983-09-29 | Gas detector initial malfunction prevention circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6059148U true JPS6059148U (en) | 1985-04-24 |
Family
ID=30332070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14961783U Pending JPS6059148U (en) | 1983-09-29 | 1983-09-29 | Gas detector initial malfunction prevention circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6059148U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5836492B2 (en) * | 1977-02-16 | 1983-08-09 | 富士通株式会社 | Ion implantation method |
-
1983
- 1983-09-29 JP JP14961783U patent/JPS6059148U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5836492B2 (en) * | 1977-02-16 | 1983-08-09 | 富士通株式会社 | Ion implantation method |
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