JPS58142795U - fire detector - Google Patents
fire detectorInfo
- Publication number
- JPS58142795U JPS58142795U JP3861282U JP3861282U JPS58142795U JP S58142795 U JPS58142795 U JP S58142795U JP 3861282 U JP3861282 U JP 3861282U JP 3861282 U JP3861282 U JP 3861282U JP S58142795 U JPS58142795 U JP S58142795U
- Authority
- JP
- Japan
- Prior art keywords
- switch element
- capacitor
- fire detector
- charging current
- operation display
- 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
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は本考案の一実施例を示した回路図である。
１・・・スイッチ素子、２．３・・・インバータ、４・
・・マグネット式動作表示器、５．５′・・・感知器端
子、 。
Ｒ□〜Ｒ７・・・抵抗、Ｃ１・・・第１のコンデンサ、
Ｃ２・・・第２のコンデンサ、Ｔｒ□、 Ｔｒ２・・・
トランジスタ。The figure is a circuit diagram showing an embodiment of the present invention. 1... Switch element, 2.3... Inverter, 4.
...Magnetic operation indicator, 5.5'...Sensor terminal. R□~R7...Resistor, C1...First capacitor,
C2...Second capacitor, Tr□, Tr2...
transistor.
Claims (1)
た端子間を低インピーダンスにするスイッチ素子と、該
スイッチ素子に直列接続した第１のコンデンサと、前記
スイッチ素子の端子間に抵抗を介して接続した第２のコ
ンデンサと、電源投入時の前記第２のコンデンサの充電
電流により動作表示をリセットし、前記第１のコンデン
サの充電電流により動作表示をセットするマグネット式
の動作表示器とを設けたことを特徴とする火災感知器。A switch element that creates a low impedance between closed terminals when heat, smoke, etc. caused by a fire is detected, a first capacitor connected in series with the switch element, and a resistor between the terminals of the switch element. A second capacitor connected thereto, and a magnetic operation indicator that resets the operation display by the charging current of the second capacitor when the power is turned on and set the operation display by the charging current of the first capacitor are provided. A fire detector characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3861282U JPS58142795U (en) | 1982-03-18 | 1982-03-18 | fire detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3861282U JPS58142795U (en) | 1982-03-18 | 1982-03-18 | fire detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58142795U true JPS58142795U (en) | 1983-09-26 |
Family
ID=30049942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3861282U Pending JPS58142795U (en) | 1982-03-18 | 1982-03-18 | fire detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58142795U (en) |
-
1982
- 1982-03-18 JP JP3861282U patent/JPS58142795U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS58142795U (en) | fire detector | |
| JPS58183043U (en) | display circuit | |
| JPS5851388U (en) | Fault detection circuit for fire alarm district bell line | |
| JPS5847527U (en) | Disconnection detection device for vehicle lamps | |
| JPS5933362U (en) | Notification device volume adjustment circuit | |
| JPS5890746U (en) | trigger circuit | |
| JPS59104083U (en) | voltage detector | |
| JPS5866407U (en) | Failure mode discrimination circuit | |
| JPS58183044U (en) | power circuit | |
| JPS58101217U (en) | Stabilized power supply circuit | |
| JPS59167447U (en) | Storage battery charging device | |
| JPS5819254U (en) | Flammable gas detection device | |
| JPS58183045U (en) | power circuit | |
| JPS58103594U (en) | Inverter device | |
| JPS6114338U (en) | Thermistor open detection circuit | |
| JPS5914426U (en) | input circuit | |
| JPS59130336U (en) | Simple danger prevention circuit | |
| JPS5896274U (en) | Relay with disconnection indicator | |
| JPS5945618U (en) | power circuit | |
| JPS5941957U (en) | First cause detection device | |
| JPS58150192U (en) | Alarm power supply reverse connection prevention circuit | |
| JPS5996941U (en) | DC 2-wire proximity switch | |
| JPS6119756U (en) | Flammable gas detection device | |
| JPS6077168U (en) | Power switch device for electrical display equipment | |
| JPS5857249U (en) | Charging control circuit in charging equipment |