CN205038745U - Conflagration warning detect device - Google Patents
Conflagration warning detect device Download PDFInfo
- Publication number
- CN205038745U CN205038745U CN201520765439.3U CN201520765439U CN205038745U CN 205038745 U CN205038745 U CN 205038745U CN 201520765439 U CN201520765439 U CN 201520765439U CN 205038745 U CN205038745 U CN 205038745U
- Authority
- CN
- China
- Prior art keywords
- resistance
- connects
- operational amplifier
- integrated operational
- contact resistance
- 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.)
- Expired - Fee Related
Links
Landscapes
- Fire Alarms (AREA)
Abstract
The utility model provides a conflagration warning detect device. The utility model relates to a conflagration warning detect device. Conflagration warning detect box bottom face open and to have the box bottom opening, the box bottom opening in pack into the output shaft of motor, the output shaft of motor on connect I shape fixed axle, I shape fixed axle connect fixed axle sleeve, the surface of fixed axle sleeve connect branch, the surface of branch connect the probe that nitrogen oxide detected the sensor, branch be the hollow bar, branch in the electric wire of packing into, I shape fixed axle open and have L shape to lead to the groove, L shape lead to the slot combination the electric wire use, nitrogen oxide detect the sensor and connect differential amplification circuit, differential amplification circuit connect active low -pass filter, active low -pass filter connect relay drive circuit. The utility model is used for conflagration warning detect.
Description
Technical field
The utility model relates to a kind of fire alarm monitoring device.
Background technology
Present life be unable to do without burning things which may cause a fire disaster still due to the improper use of people, easily cause fire, and single spark also can cause fire, so daily fire alarm monitoring is very important with regard to what become, and present fire alarm to monitor not only usable floor area little, and sensitivity is not high.
Summary of the invention
The purpose of this utility model is to provide and a kind ofly utilizes difference channel to coordinate active low-pass filter and relay drive circuit to monitor highly sensitive, pole to coordinate motor to make monitoring area become a kind of fire alarm monitoring device large, easy to use.
above-mentioned object is realized by following technical scheme:
A kind of fire alarm monitoring device, its composition comprises: fire alarm monitor box body, the bottom surface of described fire alarm monitor box body 1 has port 2 at the bottom of box, the output shaft of motor is loaded in port 2 at the bottom of described box, the output shaft of described motor connects I shape stationary shaft 3, described I shape stationary shaft 3 is connected and fixed axle sleeve 4, the outside surface of described fixed hub 4 connects pole 5, the outside surface of described pole 5 connects the probe 6 of oxides of nitrogen detecting sensor, described pole 5 is hollow stem, electric wire 7 is loaded in described pole 5, described I shape stationary shaft 3 has L shape groove 8, described L shape groove 8 coordinates described electric wire 7 to use, described oxides of nitrogen detecting sensor connects differential amplifier circuit, described differential amplifier circuit connects active low-pass filter, described active low-pass filter connects relay drive circuit.
Described a kind of fire alarm monitoring device, described differential amplifier circuit comprises power supply, one end of described power supply contact resistance RS1, the other end of described resistance RS1 connects the input anode of integrated operational amplifier A1, one end of the output terminal contact resistance R3 of described integrated operational amplifier A1, the other end of described resistance R3 connects one end of variable resistor R7, one end of the other end contact resistance R5 of described variable resistor R7;
One end of the output terminal contact resistance R1 of described integrated operational amplifier A1, one end of the other end contact resistance RP of described resistance R1, the input negative terminal of described integrated operational amplifier A1 is connected between described resistance RP and described resistance R1, one end of the other end contact resistance R2 of described resistance RP, the input negative terminal of integrated operational amplifier A2 is connected between described resistance R2 and described resistance RP, one end of the input anode contact resistance RS2 of described integrated operational amplifier A2, the power supply described in other end connection of described resistance RS2;
One end of the output terminal contact resistance R4 of described integrated operational amplifier A2, the other end of described resistance R4 connects one end of variable resistor R8, one end of the other end contact resistance R6 of described variable resistor R8;
The other end of described resistance R5 connects the output terminal of integrated operational amplifier A3, between the input negative terminal contact resistance R3 of described integrated operational amplifier A3 and resistance R5, between the input anode contact resistance R4 of described integrated operational amplifier A3 and resistance R5.
Described a kind of fire alarm monitoring device, described active low-pass filter comprises power supply, one end of described power supply contact resistance R1, the other end of described resistance R1 connect electric capacity C1 in parallel with resistance R4 after one end, one end of the other end contact resistance R2 of described resistance R1, the other end of described resistance R2 connects one end of electric capacity C2, the other end of described resistance R2 connects positive 1 end of integrated operational amplifier combination A, one end of the negative terminal contact resistance R3 of described integrated operational amplifier combination A, one end of the negative terminal contact resistance RF of described integrated operational amplifier combination A, the other end after electric capacity C1 described in the other end of described resistance RF connects is in parallel with resistance R4, positive 2 ends of the integrated operational amplifier combination A described in other end connection of described resistance RF, described electric capacity C1 and the connecting line between resistance R4 are also connected positive 2 ends that described integrated operational amplifier combines A, , described integrated operational amplifier combination A stretches out two power connector ends.
Described a kind of fire alarm monitoring device, described relay drive circuit comprises power supply, described power supply connects the emitter of PNP type triode, the collector of described PNP type triode connects diode, described diode connects electromagnetic induction rod, described electromagnetic induction rod makes K switch 1 conducting, and described K switch 1 connects hummer.
beneficial effect:
1. the utility model utilizes difference channel to coordinate active low-pass filter and relay drive circuit to monitor highly sensitive
2. the area that pole of the present utility model coordinates motor that fire alarm is monitored becomes large.
3. when the L shape groove of the hollow cooperation I shape stationary shaft of pole of the present utility model makes motor rotate, electric wire can not be wound around, and uses more smooth.
accompanying drawing illustrates:
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is partial sectional views of I shape stationary shaft of the present utility model.
Accompanying drawing 3 is differential amplifier circuits of the present utility model.
Accompanying drawing 4 is active low-pass filters of the present utility model.
Accompanying drawing 5 is relay drive circuits of the present utility model.
embodiment:
embodiment 1
A kind of fire alarm monitoring device, its composition comprises: fire alarm monitor box body, the bottom surface of described fire alarm monitor box body 1 has port 2 at the bottom of box, the output shaft of motor is loaded in port 2 at the bottom of described box, the output shaft of described motor connects I shape stationary shaft 3, described I shape stationary shaft 3 is connected and fixed axle sleeve 4, the outside surface of described fixed hub 4 connects pole 5, the outside surface of described pole 5 connects the probe 6 of oxides of nitrogen detecting sensor, described pole 5 is hollow stem, electric wire 7 is loaded in described pole 5, described I shape stationary shaft 3 has L shape groove 8, described L shape groove 8 coordinates described electric wire 7 to use, described oxides of nitrogen detecting sensor connects differential amplifier circuit, described differential amplifier circuit connects active low-pass filter, described active low-pass filter connects relay drive circuit.
embodiment 2
A kind of fire alarm monitoring device described in embodiment 1, described differential amplifier circuit comprises power supply, one end of described power supply contact resistance RS1, the other end of described resistance RS1 connects the input anode of integrated operational amplifier A1, one end of the output terminal contact resistance R3 of described integrated operational amplifier A1, the other end of described resistance R3 connects one end of variable resistor R7, one end of the other end contact resistance R5 of described variable resistor R7;
One end of the output terminal contact resistance R1 of described integrated operational amplifier A1, one end of the other end contact resistance RP of described resistance R1, the input negative terminal of described integrated operational amplifier A1 is connected between described resistance RP and described resistance R1, one end of the other end contact resistance R2 of described resistance RP, the input negative terminal of integrated operational amplifier A2 is connected between described resistance R2 and described resistance RP, one end of the input anode contact resistance RS2 of described integrated operational amplifier A2, the power supply described in other end connection of described resistance RS2;
One end of the output terminal contact resistance R4 of described integrated operational amplifier A2, the other end of described resistance R4 connects one end of variable resistor R8, one end of the other end contact resistance R6 of described variable resistor R8;
The other end of described resistance R5 connects the output terminal of integrated operational amplifier A3, between the input negative terminal contact resistance R3 of described integrated operational amplifier A3 and resistance R5, between the input anode contact resistance R4 of described integrated operational amplifier A3 and resistance R5.
embodiment 3
A kind of fire alarm monitoring device described in embodiment 1, described active low-pass filter comprises power supply, one end of described power supply contact resistance R1, the other end of described resistance R1 connect electric capacity C1 in parallel with resistance R4 after one end, one end of the other end contact resistance R2 of described resistance R1, the other end of described resistance R2 connects one end of electric capacity C2, the other end of described resistance R2 connects positive 1 end of integrated operational amplifier combination A, one end of the negative terminal contact resistance R3 of described integrated operational amplifier combination A, one end of the negative terminal contact resistance RF of described integrated operational amplifier combination A, the other end after electric capacity C1 described in the other end of described resistance RF connects is in parallel with resistance R4, positive 2 ends of the integrated operational amplifier combination A described in other end connection of described resistance RF, described electric capacity C1 and the connecting line between resistance R4 are also connected positive 2 ends that described integrated operational amplifier combines A, , described integrated operational amplifier combination A stretches out two power connector ends.
embodiment 4
A kind of fire alarm monitoring device described in embodiment 1, described relay drive circuit comprises power supply, described power supply connects the emitter of PNP type triode, the collector of described PNP type triode connects diode, described diode connects electromagnetic induction rod, described electromagnetic induction rod makes K switch 1 conducting, and described K switch 1 connects hummer.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (4)
1. a fire alarm monitoring device, its composition comprises: fire alarm monitor box body, it is characterized in that: the bottom surface of described fire alarm monitor box body (1) has port at the bottom of box (2), the output shaft of motor is loaded in port (2) at the bottom of described box, the output shaft of described motor connects I shape stationary shaft (3), described I shape stationary shaft (3) is connected and fixed axle sleeve (4), the outside surface of described fixed hub (4) connects pole (5), the outside surface of described pole (5) connects the probe (6) of oxides of nitrogen detecting sensor, described pole (5) is hollow stem, electric wire (7) is loaded in described pole (5), described I shape stationary shaft (3) has L shape groove (8), electric wire (7) described in described L shape groove (8) coordinates uses, described oxides of nitrogen detecting sensor connects differential amplifier circuit, described differential amplifier circuit connects active low-pass filter, described active low-pass filter connects relay drive circuit.
2. a kind of fire alarm monitoring device according to claim 1, it is characterized in that: described differential amplifier circuit comprises power supply, one end of described power supply contact resistance RS1, the other end of described resistance RS1 connects the input anode of integrated operational amplifier A1, one end of the output terminal contact resistance R3 of described integrated operational amplifier A1, the other end of described resistance R3 connects one end of variable resistor R7, one end of the other end contact resistance R5 of described variable resistor R7;
One end of the output terminal contact resistance R1 of described integrated operational amplifier A1, one end of the other end contact resistance RP of described resistance R1, the input negative terminal of described integrated operational amplifier A1 is connected between described resistance RP and described resistance R1, one end of the other end contact resistance R2 of described resistance RP, the input negative terminal of integrated operational amplifier A2 is connected between described resistance R2 and described resistance RP, one end of the input anode contact resistance RS2 of described integrated operational amplifier A2, the power supply described in other end connection of described resistance RS2;
One end of the output terminal contact resistance R4 of described integrated operational amplifier A2, the other end of described resistance R4 connects one end of variable resistor R8, one end of the other end contact resistance R6 of described variable resistor R8;
The other end of described resistance R5 connects the output terminal of integrated operational amplifier A3, between the input negative terminal contact resistance R3 of described integrated operational amplifier A3 and resistance R5, between the input anode contact resistance R4 of described integrated operational amplifier A3 and resistance R5.
3. a kind of fire alarm monitoring device according to claim 1, it is characterized in that: described active low-pass filter comprises power supply, one end of described power supply contact resistance R1, the other end of described resistance R1 connect electric capacity C1 in parallel with resistance R4 after one end, one end of the other end contact resistance R2 of described resistance R1, the other end of described resistance R2 connects one end of electric capacity C2, the other end of described resistance R2 connects positive 1 end of integrated operational amplifier combination A, one end of the negative terminal contact resistance R3 of described integrated operational amplifier combination A, one end of the negative terminal contact resistance RF of described integrated operational amplifier combination A, the other end after electric capacity C1 described in the other end of described resistance RF connects is in parallel with resistance R4, positive 2 ends of the integrated operational amplifier combination A described in other end connection of described resistance RF, described electric capacity C1 and the connecting line between resistance R4 are also connected positive 2 ends that described integrated operational amplifier combines A, described integrated operational amplifier combination A stretches out two power connector ends.
4. a kind of fire alarm monitoring device according to claim 1, it is characterized in that: described relay drive circuit comprises power supply, described power supply connects the emitter of PNP type triode, the collector of described PNP type triode connects diode, described diode connects electromagnetic induction rod, described electromagnetic induction rod makes K switch 1 conducting, and described K switch 1 connects hummer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520765439.3U CN205038745U (en) | 2015-09-30 | 2015-09-30 | Conflagration warning detect device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520765439.3U CN205038745U (en) | 2015-09-30 | 2015-09-30 | Conflagration warning detect device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205038745U true CN205038745U (en) | 2016-02-17 |
Family
ID=55297626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520765439.3U Expired - Fee Related CN205038745U (en) | 2015-09-30 | 2015-09-30 | Conflagration warning detect device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205038745U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932677A (en) * | 2016-06-03 | 2016-09-07 | 丰郅(上海)新能源科技有限公司 | Harmonic suppression system with multi-level active power filter |
| CN108682106A (en) * | 2018-05-16 | 2018-10-19 | 安徽机电职业技术学院 | Smoke alarm used for buses |
-
2015
- 2015-09-30 CN CN201520765439.3U patent/CN205038745U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932677A (en) * | 2016-06-03 | 2016-09-07 | 丰郅(上海)新能源科技有限公司 | Harmonic suppression system with multi-level active power filter |
| CN108682106A (en) * | 2018-05-16 | 2018-10-19 | 安徽机电职业技术学院 | Smoke alarm used for buses |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204188702U (en) | A kind of current detection circuit | |
| CN104155505A (en) | Earth wire live detection device, air conditioner and electrical equipment | |
| CN205038745U (en) | Conflagration warning detect device | |
| CN103852674A (en) | Residual current transformer secondary coil disconnection detection circuit | |
| CN203519761U (en) | Anti-error-connection detecting circuit for zero line and live line of AC power | |
| CN204008934U (en) | A kind of detection of electrical leakage and warning circuit | |
| CN203350348U (en) | Electrification detection device for ground wire, air-conditioner and electrical equipment | |
| CN204794018U (en) | Microcomputer protection, measurement, and control device | |
| CN203479883U (en) | Reference voltage pull-type signal acquisition circuit of electrical fire monitoring detector | |
| CN202614719U (en) | Amplifying circuit for carbon monoxide sensor | |
| CN203287417U (en) | Non-contact current detection device of building fire-fighting equipment | |
| CN203455400U (en) | Current detection circuit | |
| CN203606930U (en) | Inspection well gas safety alarm | |
| CN203300900U (en) | Leakage protection plug | |
| CN203151434U (en) | Power amplifier protective circuit | |
| CN206379712U (en) | A kind of air-conditioner set overload protection arrangement | |
| CN206524826U (en) | A kind of numeral input detects circuit | |
| CN206670820U (en) | Oven temperature monitoring system | |
| CN205657415U (en) | Temperature measurement formula electric fire control detector protection circuit | |
| CN206480872U (en) | A kind of integral type charging gun | |
| CN205123687U (en) | Power protection circuit | |
| CN205158579U (en) | Motor electric current demodulation alarm | |
| CN204012648U (en) | A kind of Novel DC leakage protection circuit | |
| CN204029100U (en) | A kind of residual-current electrical fire monitor signal processing circuit | |
| CN204116512U (en) | Battery detection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20160930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |