CN205453280U - Fire control emergency circuit - Google Patents
Fire control emergency circuit Download PDFInfo
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- CN205453280U CN205453280U CN201620283498.1U CN201620283498U CN205453280U CN 205453280 U CN205453280 U CN 205453280U CN 201620283498 U CN201620283498 U CN 201620283498U CN 205453280 U CN205453280 U CN 205453280U
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Abstract
The utility model discloses a fire control emergency circuit, including resistance R1, electric capacity C1, rectifier bridge T and chip IC1, electric capacity C1 and 220V alternating current are connected to resistance R1's one end, electric capacity C1's the other end and rectifier bridge T's port 1 are connected to resistance R1's the other end, rectifier bridge T's 3 other ends of connecting the 220V alternating current of port, rectifier bridge T's 2 positive poles of connecting relay K and diode D4 of port, diode D4's negative pole connecting resistance R2, potentiometre RP1's a stiff end, solenoid valve P, relay K's contact K 1 pin 4 with chip IC2. The utility model discloses fire control emergency circuit passes through timer chip and realizes the multi -stage control to the conflagration, reports to the police audible alarm from light and finally starts the fire protection, and the circuit is equipped with the battery as stand -by power supply simultaneously, and the disconnection also can normally be worked even electric fire causes the commercial power, therefore has convenient to use, the function is various and sensitivity is high advantage.
Description
Technical field
This utility model relates to a kind of fire-fighting circuit, specifically a kind of fire-fighting emergent circuit.
Background technology
Security against fire is the most important thing of modern architecture security protection, especially in the warehouse of some storage combustible and explosive articles, workshops etc. are susceptible to the place of fire, monitoring region can be monitored by fire protection warning device in real time, therefore, it is possible to effectively reduce casualties and the property loss that fire causes, fire protection warning device in the market is varied, detecting element mostly is critesistor, its sensitivity is relatively low, and critesistor its conducting electric current when resistance is the lowest is higher, heating is serious, easily it is burned out, and existing alarm can only send chimes of doom mostly, can not effective the spreading of the resistance intensity of a fire, therefore need to be improved.
Utility model content
The purpose of this utility model is to provide a kind of fire-fighting emergent circuit, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
nullA kind of fire-fighting emergent circuit，Including resistance R1、Electric capacity C1、Rectifier bridge T and chip IC 1，One end of described resistance R1 connects electric capacity C1 and 220V alternating current，The other end of resistance R1 connects the other end and the port 1 of rectifier bridge T of electric capacity C1，The port 3 of rectifier bridge T connects the other end of 220V alternating current，The port 2 of rectifier bridge T connects relay K and the anode of diode D4，The negative electrode of diode D4 connects resistance R2、The fixing end of of potentiometer RP1、Electromagnetic valve P、The contact K-1 of relay K and the pin 4 of chip IC 2，The other end of the contact K-1 of relay K connects the positive pole of accumulator E，The other end of relay K connects the negative pole of accumulator E、Piezoelectric element A、The port 4 of rectifier bridge T、Another fixing end of potentiometer RP1、The negative electrode of diode D2、Buzzer B、The emitter stage of audion V1、The emitter stage of audion V2 and the pin 8 of chip IC 2，The other end of piezoelectric element A connects the anode of diode D1，The negative electrode of diode D1 connects electric capacity C2 and the pin 3 of chip IC 1，The other end of electric capacity C2 connects a fixing end and the pin 1 of chip IC 1 of potentiometer RP1，The base stage of the pin 4 connecting triode V1 of chip IC 1，Audion changes the other end and the pin 12 of chip IC 2 of the colelctor electrode connection resistance R2 of V1，The pin 9 of chip IC 2 connects electric capacity C3，The other end of electric capacity C3 connects resistance R4 and resistance R5，The other end of resistance R4 connects the pin 10 of chip IC 2，The other end of resistance R5 connects negative electrode and the pin 11 of chip IC 2 of diode D3，The anode of diode D3 connects resistance R6 and the pin 15 of chip IC 2，The pin 14 of chip IC 2 connects the other end of buzzer B，The base stage of the other end connecting triode V2 of resistance R6，The colelctor electrode of audion V2 connects the other end of electromagnetic valve P，The model of described chip IC 1 is LM321，The model of described chip IC 2 is CD4060.
As preferred version of the present utility model: described diode D2 is light emitting diode.
Compared with prior art, the beneficial effects of the utility model are: this utility model fire-fighting emergent circuit realizes the multi-phase containment to fire by timer chip, fire protection is finally started from light audible alarm of reporting to the police, circuit is provided with accumulator as stand-by power supply simultaneously, also can be the most worked even electrical fire causes that city is electrically disconnected, therefore there is easy to use, diverse in function and highly sensitive advantage.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of fire-fighting emergent circuit.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1，A kind of fire-fighting emergent circuit，Including resistance R1、Electric capacity C1、Rectifier bridge T and chip IC 1，One end of described resistance R1 connects electric capacity C1 and 220V alternating current，The other end of resistance R1 connects the other end and the port 1 of rectifier bridge T of electric capacity C1，The port 3 of rectifier bridge T connects the other end of 220V alternating current，The port 2 of rectifier bridge T connects relay K and the anode of diode D4，The negative electrode of diode D4 connects resistance R2、The fixing end of of potentiometer RP1、Electromagnetic valve P、The contact K-1 of relay K and the pin 4 of chip IC 2，The other end of the contact K-1 of relay K connects the positive pole of accumulator E，The other end of relay K connects the negative pole of accumulator E、Piezoelectric element A、The port 4 of rectifier bridge T、Another fixing end of potentiometer RP1、The negative electrode of diode D2、Buzzer B、The emitter stage of audion V1、The emitter stage of audion V2 and the pin 8 of chip IC 2，The other end of piezoelectric element A connects the anode of diode D1，The negative electrode of diode D1 connects electric capacity C2 and the pin 3 of chip IC 1，The other end of electric capacity C2 connects a fixing end and the pin 1 of chip IC 1 of potentiometer RP1，The base stage of the pin 4 connecting triode V1 of chip IC 1，Audion changes the other end and the pin 12 of chip IC 2 of the colelctor electrode connection resistance R2 of V1，The pin 9 of chip IC 2 connects electric capacity C3，The other end of electric capacity C3 connects resistance R4 and resistance R5，The other end of resistance R4 connects the pin 10 of chip IC 2，The other end of resistance R5 connects negative electrode and the pin 11 of chip IC 2 of diode D3，The anode of diode D3 connects resistance R6 and the pin 15 of chip IC 2，The pin 14 of chip IC 2 connects the other end of buzzer B，The base stage of the other end connecting triode V2 of resistance R6，The colelctor electrode of audion V2 connects the other end of electromagnetic valve P，The model of described chip IC 1 is LM321，The model of described chip IC 2 is CD4060.
Diode D2 is light emitting diode.
Operation principle of the present utility model is: 220V line voltage is by powering to circuit after resistance R1, electric capacity C1 blood pressure lowering, rectifier bridge T rectification, when line voltage is normal, relay K must conduct, its normally-closed contact K-1 disconnects, powered to circuit by line voltage, during when civil power because power-off occur in fire or other reason, relay K dead electricity, the K-1 adhesive of its contact, electric energy is passed through to circuit by accumulator E, circuit front-end has the amplified signal level IC1 that one-level is sensitive, and its temperature near piezoelectric element A can provide high level output when increasing.Its homophase input pin 3 is connected to piezoelectric element through diode D1, is used for receiving the voltage signal of piezoelectric element；Anti-phase foot 1 obtains preset voltage through presetting potential device RP1.Adjust RP1, can conveniently set the presetting potential of 1 foot.Under normal circumstances, IC1 is output as electronegative potential, and now circuit is in holding state.The effect of electric capacity C2 is that the in-phase input end making IC1 is stablized, even if therefore the voltage of input slightly fluctuates, its output remains to become high potential.
IC1 is output as electronegative potential under normal circumstances, and now V1 is not turned on.Be connected to the IC2(12 of V1 colelctor electrode) foot through R5 obtain high potential and reset, therefore IC2 does not works.After piezoelectric element obtains heat, owing to being asymmetrical in shape of piezoelectric element A causes potential difference to change.Electric capacity C2 starts electric discharge simultaneously.Thus moment changes the voltage level of IC1 3. foot.Making it export pendulum to turn on to high potential, V1, the 12 foot ground connection of IC2, make IC2 start vibration, frequency of oscillation is determined by element C3 and R4.Exporting 7 feet after several seconds to uprise, light emitting diode D2 starts flicker.If the heat near piezoelectric element exists, then after a period of time after, 14 feet also uprise, and buzzer B begins to send out chimes of doom.If heat does not disperses, after a period of time has passed, 15 feet also uprise, now audion V2 conducting, and electromagnetic valve P obtains electric, and starting sprays water at monitoring point or spray fire foam helps suppression fire spreading.
Claims (2)
- null1. a fire-fighting emergent circuit，Including resistance R1、Electric capacity C1、Rectifier bridge T and chip IC 1，It is characterized in that，One end of described resistance R1 connects electric capacity C1 and 220V alternating current，The other end of resistance R1 connects the other end and the port 1 of rectifier bridge T of electric capacity C1，The port 3 of rectifier bridge T connects the other end of 220V alternating current，The port 2 of rectifier bridge T connects relay K and the anode of diode D4，The negative electrode of diode D4 connects resistance R2、The fixing end of of potentiometer RP1、Electromagnetic valve P、The contact K-1 of relay K and the pin 4 of chip IC 2，The other end of the contact K-1 of relay K connects the positive pole of accumulator E，The other end of relay K connects the negative pole of accumulator E、Piezoelectric element A、The port 4 of rectifier bridge T、Another fixing end of potentiometer RP1、The negative electrode of diode D2、Buzzer B、The emitter stage of audion V1、The emitter stage of audion V2 and the pin 8 of chip IC 2，The other end of piezoelectric element A connects the anode of diode D1，The negative electrode of diode D1 connects electric capacity C2 and the pin 3 of chip IC 1，The other end of electric capacity C2 connects a fixing end and the pin 1 of chip IC 1 of potentiometer RP1，The base stage of the pin 4 connecting triode V1 of chip IC 1，Audion changes the other end and the pin 12 of chip IC 2 of the colelctor electrode connection resistance R2 of V1，The pin 9 of chip IC 2 connects electric capacity C3，The other end of electric capacity C3 connects resistance R4 and resistance R5，The other end of resistance R4 connects the pin 10 of chip IC 2，The other end of resistance R5 connects negative electrode and the pin 11 of chip IC 2 of diode D3，The anode of diode D3 connects resistance R6 and the pin 15 of chip IC 2，The pin 14 of chip IC 2 connects the other end of buzzer B，The base stage of the other end connecting triode V2 of resistance R6，The colelctor electrode of audion V2 connects the other end of electromagnetic valve P，The model of described chip IC 1 is LM321，The model of described chip IC 2 is CD4060.
- A kind of fire-fighting emergent circuit the most according to claim 1, it is characterised in that described diode D2 is light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620283498.1U CN205453280U (en) | 2016-04-07 | 2016-04-07 | Fire control emergency circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620283498.1U CN205453280U (en) | 2016-04-07 | 2016-04-07 | Fire control emergency circuit |
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| Publication Number | Publication Date |
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| CN205453280U true CN205453280U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620283498.1U Expired - Fee Related CN205453280U (en) | 2016-04-07 | 2016-04-07 | Fire control emergency circuit |
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| CN (1) | CN205453280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775574A (en) * | 2018-03-12 | 2018-11-09 | 贵港市鼎金电子产品有限公司 | A kind of multipurpose steam generation device powered using UPS |
-
2016
- 2016-04-07 CN CN201620283498.1U patent/CN205453280U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775574A (en) * | 2018-03-12 | 2018-11-09 | 贵港市鼎金电子产品有限公司 | A kind of multipurpose steam generation device powered using UPS |
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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: 20160810 Termination date: 20170407 |
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| CF01 | Termination of patent right due to non-payment of annual fee |