CN205563917U - Photoelectric type flame detecting device - Google Patents
Photoelectric type flame detecting device Download PDFInfo
- Publication number
- CN205563917U CN205563917U CN201620345829.XU CN201620345829U CN205563917U CN 205563917 U CN205563917 U CN 205563917U CN 201620345829 U CN201620345829 U CN 201620345829U CN 205563917 U CN205563917 U CN 205563917U
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- Prior art keywords
- circuit
- resistance
- ultraviolet
- infrared
- fire
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- Expired - Fee Related
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Abstract
The utility model discloses a photoelectric type flame detecting device, including the mains operated circuit, ultraviolet ray detection circuit, infrared light detection circuit, ultraviolet and infrared output processing circuit, the drive circuit that puts out a fire, fire alarm indicating circuit to and control allocation ware circuit, ultraviolet ray detection circuit and infrared light detection circuit are connected to the output of mains operated circuit, and ultraviolet ray detection circuit and infrared light detection circuit are connected to ultraviolet and infrared output processing circuit's input, and put out a fire drive circuit and fire alarm detection circuit 0 are connected to ultraviolet and infrared output processing circuit's output, and detection circuit 2 pilot lamp, the drive circuit's that puts out a fire output detection circuit 4 allotter circuit is connected to fire alarm detection circuit 0's output. The utility model discloses an ultraviolet ray detection circuit and infrared light detection circuit survey the target area simultaneously, detect infrared and ultraviolet signal only simultaneously, have just that report to the police and control signal produces, have the accuracy, fast, stably, the misstatement rate advantage of hanging down.
Description
Technical field
This utility model belongs to light and the flame automatic detection device being electrically coupled, and is mainly used in the automatic of fire
Detection.
Background technology
The sensor majority of existing fire detection products be temp sensing type (bimetal leaf, thermocouple etc.) or
Sense cigarette formula sensor, it is slow to flame sensing speed, and response time length (it is generally required to 2～5 seconds) is special
It not for the ignition such as chemicals, oils and to spread rapid fire, it is impossible to provide fast at its burning initial stage
Speed, detectable signal accurately, although and dual waveband infrared sensor to have response speed fast, quick to flame
The feature of sense, but owing to sunlight having stronger infrared ray, so in the wild, particularly strong too
The problem easily producing false alarm in the environment of sunlight, needs complex ultraviolet and infrared output signal
Process circuit to process and make up, manufacture difficulty and relatively costly, stability that detector is overall and reliable
Property is poor, and rate of false alarm is higher.
Utility model content
For the defect of detectors all kinds of in background technology, this utility model purpose is to provide a kind of photo-electric
Flame detection device, identifies fire by detecting the infrared and ultraviolet energy of special frequency channel in flame simultaneously
The generation of calamity, thus overcome the defect of existing extinguishment product, there is accurate, quick, stable, wrong report
The advantage that rate is low.
For realizing above-mentioned technical purpose, this utility model adopts the following technical scheme that and is achieved.
A kind of photo-electric flame detection device, including power-supplying circuit, ultraviolet detector circuit, infrared
Optical detection circuit, ultraviolet and infrared output signal processing circuit, drive circuit of putting out a fire, fire alarm indicating circuit,
And control allotter circuit；The outfan of described power-supplying circuit connects described ultraviolet detector circuit
With infrared light detecting circuit, the input of described ultraviolet and infrared output signal processing circuit connects described purple
Outer optical detection circuit and infrared light detecting circuit, described ultraviolet and the output of infrared output signal processing circuit
End connects described fire extinguishing drive circuit and fire alarm indicating circuit, and the outfan of described fire alarm indicating circuit connects
Described control allotter circuit.
As preferably, described ultraviolet detector circuit comprises CPU, and the output pin of this CPU is sequentially connected with
Resistance R1 and electric capacity C1, electric capacity C1 connect a compound transistor, and compound transistor connects a program control transformation
Device TR, program control transformator TR are sequentially connected with diode D1 and diode D2, and diode D2 connects ultraviolet
One end of pipe, connects a resistance R2 between one end of diode D2 and described ultraviolet pipe, resistance R2 goes here and there successively
Connection resistance R3 and resistance R4, resistance R4 ground connection, connect the anti-of emitter follower U2 between resistance R3 and resistance R4
To input, the positive input of emitter follower U2 and its outfan reconnect CPU after connecting, ultraviolet pipe another
One end connects resistance R5, resistance R5 series resistance R6, connects emitter follower U1 between resistance R5 and resistance R6
Positive input, the reverse input end of emitter follower U1 and its outfan reconnect CPU after connecting.
As preferably, this flame detection device also includes infrared false alarm prevention warning circuit, infrared false alarm prevention
The outfan of warning circuit connects described infrared light detecting circuit.
As preferably, control allotter circuit and comprise control allotter, control allotter and be provided with multiple fire
Flame signal input part, the outfan controlling allotter connects multiple fire-suppression bottles switch.
As preferably, control to be also provided with manual emergency button on allotter.
The beneficial effects of the utility model: this utility model passes through ultraviolet detector circuit and infrared light detecting
Target area is detected by circuit simultaneously, and carries out infrared acquisition signal and ultraviolet detection signal simultaneously
Identify, be only concurrently detected infrared and UV signal, just judge that this region has flame to produce, Jin Ercai
Warning and control signal is had to produce, if the only detectable signal of Infrared Detectors or the purple of only ultraviolet detection
External signal, whole detector does not export warning and control signal, has accurate, quick, stable, wrong report
The advantage that rate is low.
Accompanying drawing explanation
Fig. 1 is functional-block diagram of the present utility model；
Fig. 2 is ultraviolet detection circuit diagram of the present utility model；
Fig. 3 is control allotter circuit of the present utility model.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings:
As it is shown in figure 1, the photo-electric flame detection device that this utility model provides, power electricity including power supply
Road, ultraviolet detector circuit, infrared light detecting circuit, ultraviolet and infrared output signal processing circuit, go out
Fire drive circuit, fire alarm indicating circuit, and control allotter circuit.
The outfan of described power-supplying circuit connects described ultraviolet detector circuit and infrared light detecting electricity
Road, the input of described ultraviolet and infrared output signal processing circuit connect described ultraviolet detector circuit and
Infrared light detecting circuit, ultraviolet and infrared output signal processing circuit Main Function are to ultraviolet alarm signal
Processing with infrared alarm signal, when only ultraviolet and infrared signal produce simultaneously, CPU just exports fire alarm
Alarm signal.The outfan of described ultraviolet and infrared output signal processing circuit connects described fire extinguishing and drives electricity
Road and fire alarm indicating circuit, the outfan of fire extinguishing drive circuit connects control allotter circuit, described fire alarm
The outfan of indicating circuit connects described control allotter circuit.
As in figure 2 it is shown, ultraviolet detector circuit is the core of independent research, it mainly comprises multiple
Close triode, program control transformator, ultraviolet pipe.Specifically, described ultraviolet detector circuit comprises CPU, should
The output pin of CPU is sequentially connected with resistance R1 and electric capacity C1, and electric capacity C1 connects a compound transistor, multiple
Closing audion and connect a program control transformator TR, program control transformator TR is sequentially connected with diode D1 and diode
D2, diode D2 connect one end of ultraviolet pipe, connect one between one end of diode D2 and described ultraviolet pipe
Resistance R2, resistance R2 are sequentially connected in series resistance R3 and resistance R4, resistance R4 ground connection, resistance R3 and resistance R4
Between connect the reverse input end of emitter follower U2, the positive input of emitter follower U2 and its outfan connect
Rear reconnection CPU, the other end of ultraviolet pipe connects resistance R5, resistance R5 series resistance R6, resistance R5 and electricity
The positive input of emitter follower U1, the reverse input end of emitter follower U1 and its outfan is connected between resistance R6
CPU is reconnected after connection.Operationally, first pulse signal is produced by CPU, through resistance R1 and electric capacity
Amplified by audion T1, T2 (audion T1 and audion T2 connection forms compound triode) after C1,
Then boosted by program control transformator TR, after boosting, obtain a stable high voltage, high pressure after rectifying and wave-filtering again
After dividing potential drop, it is then sent through CPU, CPU according to high pressure and setting value difference, adjusts the quantity of pulse, with dimension
Hold high pressure within normal range.When there being ultraviolet lighting to be mapped to ultraviolet pipe, ultraviolet pipe will turn on, at resistance
Produce a positive voltage on R5 and resistance R6, after emitter follower U1, deliver to the input pin of CPU, CPU
After reading signal, stopping producing high-voltage pulse output, make high pressure reduce, ultraviolet pipe ends, and exports ultraviolet
Fire alarm signal.Meanwhile, CPU controls booster circuit height again and carries out next round test.
As it is shown in figure 1, infrared detection circuit is after receiving stronger infra-red radiation, resistive in infrared tube
Little so that electric current increases, thus CPU detects that voltage raises, when voltage variety is more than thresholding,
Output infrared alarm signal.The input of described infrared light detecting circuit is also connected with infrared false alarm prevention and reports to the police electric
Road, infrared false alarm prevention warning circuit is prior art, is no longer described in detail.
As it is shown on figure 3, control allotter circuit to comprise control allotter, control allotter and be provided with multiple fire
Flame signal input part, the outfan controlling allotter connects multiple fire-suppression bottles switch.Control allotter circuit
Processing one or more flare up fire detected, the extinguishing device controlling corresponding region is carried out
Sprinkling fire-distinguishing.Meanwhile, control allotter circuit and be also provided with manual emergency button, as system backup,
In the case of the most unexpected, implement manual controlled fire-extinguishing device and carry out sprinkling fire-distinguishing.
When energising work, ultraviolet detector circuit and infrared detection circuit will detect surveillance area at any time
In ultraviolet and infrared ray, and by Real-time Collection to signal be converted to after the signal of telecommunication through ultraviolet and infrared
After output signal processing circuit processes, once meet fire characteristic by output fire extinguishing signal and fire alarm instruction letter
Number.
Obviously, those skilled in the art this utility model can be carried out various change and modification and not
Depart from spirit and scope of the present utility model.So, if these amendments of the present utility model and modification belong to
Within the scope of this utility model claim and equivalent technologies thereof, then this utility model is also intended to comprise
These are changed and including modification.
Claims (5)
1. a photo-electric flame detection device, it is characterised in that: include power-supplying circuit, ultraviolet light
Detection circuit, infrared light detecting circuit, ultraviolet and infrared output signal processing circuit, drive circuit of putting out a fire,
Fire alarm indicating circuit, and control allotter circuit；The outfan of described power-supplying circuit connects described
Ultraviolet detector circuit and infrared light detecting circuit, described ultraviolet and infrared output signal processing circuit defeated
Enter end and connect described ultraviolet detector circuit and infrared light detecting circuit, described ultraviolet and infrared output signal
The outfan processing circuit connects described fire extinguishing drive circuit and fire alarm indicating circuit, described fire alarm instruction electricity
The outfan on road connects fire alarm display lamp, and the outfan of described fire extinguishing drive circuit connects described control
Allotter circuit.
Photo-electric flame detection device the most according to claim 1, it is characterised in that: described ultraviolet light is visited
Slowdown monitoring circuit comprises CPU, and the output pin of this CPU is sequentially connected with resistance (R1) and electric capacity (C1), electric capacity
(C1) connecting a compound transistor, compound transistor connects a program control transformator (TR), program control transformation
Device (TR) is sequentially connected with diode (D1) and diode (D2), and diode (D2) connects ultraviolet pipe
One end, connect a resistance (R2) between diode (D2) and one end of described ultraviolet pipe, resistance (R2) is successively
Series resistance (R3) and resistance (R4), resistance (R4) ground connection, between resistance (R3) and resistance (R4) connect penetrate with
The reverse input end of device (U2), the positive input of emitter follower (U2) and its outfan reconnect after connecting
CPU, the other end of ultraviolet pipe connects resistance (R5), resistance (R5) series resistance (R6), resistance (R5) and resistance
(R6) between connect emitter follower (U1) positive input, the reverse input end of emitter follower (U1) and its
Outfan reconnects CPU after connecting.
Photo-electric flame detection device the most according to claim 1, it is characterised in that: also include infrared anti-
Wrong report warning circuit, the outfan of infrared false alarm prevention warning circuit connects described infrared light detecting circuit.
Photo-electric flame detection device the most according to claim 1, it is characterised in that: control allotter electricity
Road comprises control allotter, controls allotter and is provided with multiple flare up fire input, controls the defeated of allotter
Go out end and connect multiple fire-suppression bottles switch.
Photo-electric flame detection device the most according to claim 4, it is characterised in that: control allotter electricity
Road is also provided with manual emergency button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620345829.XU CN205563917U (en) | 2016-04-22 | 2016-04-22 | Photoelectric type flame detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620345829.XU CN205563917U (en) | 2016-04-22 | 2016-04-22 | Photoelectric type flame detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205563917U true CN205563917U (en) | 2016-09-07 |
Family
ID=56807193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620345829.XU Expired - Fee Related CN205563917U (en) | 2016-04-22 | 2016-04-22 | Photoelectric type flame detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205563917U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170173A (en) * | 2017-05-27 | 2017-09-15 | 重庆英卡电子有限公司 | Infrared and ultraviolet flame detector control system and its control method |
| CN110308180A (en) * | 2019-06-26 | 2019-10-08 | 西安近代化学研究所 | A kind of instrument trigger device for explosive charge test |
| CN113274684A (en) * | 2021-06-07 | 2021-08-20 | 佛山市南海天雨智能灭火装置有限公司 | Automatic tracking fire extinguishing control method and device |
-
2016
- 2016-04-22 CN CN201620345829.XU patent/CN205563917U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170173A (en) * | 2017-05-27 | 2017-09-15 | 重庆英卡电子有限公司 | Infrared and ultraviolet flame detector control system and its control method |
| CN110308180A (en) * | 2019-06-26 | 2019-10-08 | 西安近代化学研究所 | A kind of instrument trigger device for explosive charge test |
| CN113274684A (en) * | 2021-06-07 | 2021-08-20 | 佛山市南海天雨智能灭火装置有限公司 | Automatic tracking fire extinguishing control method and device |
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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: 20160907 Termination date: 20190422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |