CN106128008A - A kind of Spark plug optical fiber sensor system - Google Patents
A kind of Spark plug optical fiber sensor system Download PDFInfo
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- CN106128008A CN106128008A CN201610511789.6A CN201610511789A CN106128008A CN 106128008 A CN106128008 A CN 106128008A CN 201610511789 A CN201610511789 A CN 201610511789A CN 106128008 A CN106128008 A CN 106128008A
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/185—Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system
Abstract
The invention discloses a kind of Spark plug optical fiber sensor system, including controller, and spark detector, alarm mechanism and the spray being electrically connected with the controller respectively go out device, described spark detector includes processor chips, and photographic head, solar spectrum sensor, thermal source sensor, Ultraviolet sensor, infrared sensor and the signal output unit electrically connected with processor chips respectively, described controller controls alarm mechanism and spray according to control command and goes out device work.The Spark plug optical fiber sensor system of the present invention is when for Spark plug optical fiber sensor, not only it is provided with the function of anti-sunlight interference, have more the function of infrared heat source interference, greatly improve spark detection precision, also accommodate the working environment of complexity, effectively expanded range of application, can have faster reaction speed while ensureing spark detection precision, Risk Coping Mechanisms is the most diversified, it is adaptable to multi-field commercial production.
Description
Technical field
The present invention relates to electric detective technology field, particularly relate to a kind of Spark plug optical fiber sensor system.
Background technology
Along with the development of petro chemical industry, inflammable, the explosive and kind of toxic gas and range of application all increased,
These gases producing, transport, use during once leak, it will cause poisoning, fire even explosion accident, seriously
The safety of life and property of the harm people.
Therefore, for the production of industry, storage and transportation safeties such as oil, chemical industry and high dust, spark how is utilized to visit
Survey device to detect spark fast and effectively and develops, burning that prevention and control are caused by spark and blast, take emergency measures in time,
It is enterprise safety operation, the primary proposition of the life support of personnel.
At present, spark detection technology both domestic and external is the most ripe, generally uses single infrared electronic technology or purple
Outer sensing technology, is typically more than 3 milliseconds to the response time of spark, and response speed is relatively slow, easily occurs that danger warning is delayed, or
The precision of person's detection is the most relatively low, produces wrong report and happens occasionally, have impact on industrial efficiency.It addition, both the above mode
The most as easy as rolling off a log disturbed by factors such as other light, thermal source and dust, be can be only applied in pipeline or dark surrounds, the most right
Sunlight and the capacity of resisting disturbance of infrared heat source, applied environment is restricted significantly.
And existing spark detector, the data such as alert data, system start-up time and number of times can only be recorded merely, instead
Between Ying Shi slowly, SRT is generally higher than 30ms, and cannot judge whether system alarm is false alarm.
Therefore, urgent need a kind of applied environment in this area is extensive, can filter sunlight and heat source body disturbs and rings in raising system
While answering speed, can guarantee that the Spark plug optical fiber sensor system receiving Spark plug optical fiber sensor accuracy.
Summary of the invention
The invention provides a kind of Spark plug optical fiber sensor system, when for Spark plug optical fiber sensor, be not only provided with anti-sunlight interference
Function, has more the function of infrared heat source interference, greatly improves spark detection precision, also accommodates the building ring of complexity
Border, has effectively expanded range of application, can have faster reaction speed while ensureing spark detection precision, and risk processes plan
The most diversified, it is adaptable to multi-field commercial production；
Spark plug optical fiber sensor system includes controller, and be electrically connected with the controller respectively spark detector, alarm mechanism and
Spray is gone out device, and described spark detector includes processor chips, and electrically connect with processor chips respectively photographic head, sunlight
Spectrum sensor, thermal source sensor, Ultraviolet sensor, infrared sensor and signal output unit, described photographic head, solar spectrum
The signal that sensor, thermal source sensor, Ultraviolet sensor, infrared sensor detect transmits to processor chips analysis correction
To controller analyzing and processing storage and forming control command by signal output unit transmission, described controller is according to control command
Control alarm mechanism and spray to go out device work.
Preferably, described processor chips include the first correction unit, the second correction unit and processing unit, described process
Unit is used for receiving, forwards, processes signal and be preset with spectrum correction formula, and described first correction unit is preset in by transferring
The spectrum correction formula of processing unit is corrected with default standard sunlight all band spectrum, generates previous sunlight all band
The curve of spectrum；Described second correction unit is by transferring the spectrum correction formula being preset in processing unit to previous sunlight all band
The curve of spectrum is corrected, and generates the current sunlight all band curve of spectrum, as the school of the processor chips process of current time
Positive signal.
Preferably, described system also includes:
Record unit, the correction signal that described record unit obtains after obtaining processing unit correction in real time, and according to described
Correction signal generates energy value curve based on spark radiant value Yu time.
Preferably, described second correction unit includes:
Infrared heat source comparison module, the infrared radiation signal that described infrared sensor is recorded and the infrared heat source number preset
Compare according to storehouse；
Second correction module, when judging that described infrared radiation signal is to be produced by heat source body based on comparison result, passes through
The spectrum correction formula preset carries out second-order correction to the previous sunlight all band curve of spectrum, generates current sunlight all band light
Spectral curve.
Preferably, described controller also includes for the supply module to each module for power supply, and with described supply module
The signal receiving module, demultiplexer, signal response unit, signal processing unit, control unit and the signal that connect respectively are defeated
Going out module, the spark signal that described signal receiving module receives is by the first signal branch and secondary signal branch road transmission extremely letter
Number output module, described signal response unit is arranged in the first signal branch, and described secondary signal branch road is sequentially connected in series and is electrically connected
Being connected to signal processing unit and control unit, described control unit is additionally provided with spark and lights data base, the control of described controller
Order and be transferred to alarm mechanism by signal output module and spray is gone out device.Wherein,
Described signal receiving module is used for receiving the sent spark signal of signal output unit, and is transmitted to by spark signal
Demultiplexer；
Described signal processing unit, for receiving the spark signal of described demultiplexer separating treatment, carries out processing, showing
Transmit to control unit after showing and storing；
Described signal response unit is for receiving another road spark signal of demultiplexer separating treatment, to spark detection
Device sends a group acknowledge signal, and after the confirmation signal receiving spark detector feedback, spark signal is sent to signal
Output module；
Described control unit for according to preset risk rule and process strategy transfer spark light database data with
And the correction signal that processes of described processor chips judge detection scene in whether there is risk, and when there is risk based on
The strategy that processes preset processes to described risk and generates the control signal of correspondence.
Preferably, described signal processing unit has been also respectively connected with display module and flash storage, described display module
For showing the duty of spark energy value and spark detector, described duty includes normally, reports to the police or fault three kinds,
And by the energy value size of energy cylindricality formula display spark, described flash storage is 15s before and after storing or having access to report to the police
Warning energy value, the warning curve of spectrum, video information and time parameter.
Preferably, described control unit includes:
Data memory module, is used for storing or transferring described risk rule and process strategy；
Signal judge module, is used for transferring described risk rule and based on described risk rule to described radiated tuning signal
Carrying out risk judgment, processing information when there is risk to signal processing module transmission；
Signal processing module, is used for transferring described process strategy and carrying out described process information based on the described strategy that processes
Processing, the control signal that generates after process is also sent alarm mechanism and spray by signal output module and goes out device.
Preferably, described signal output module is connected by the signaling interface device that goes out with described alarm mechanism and spray, described
Signaling interface is RS232 interface, RS485 interface, 4-20mA interface and one or more in relay interface.
Preferably, described solar spectrum sensor has 5, and described Ultraviolet sensor is the Ultraviolet sensor of 0.2um wavelength,
Described infrared sensor is the infrared biography of the infrared sensor of 2.7um wavelength, the infrared sensor of 4.3um wavelength, 3.9um wavelength
Sensor or the infrared sensor of 4.7um wavelength.
As can be seen here, by application technical scheme, when for Spark plug optical fiber sensor, not only it is provided with anti-sunlight and does
The function disturbed, has more the function of infrared heat source interference, greatly improves spark detection precision, also accommodates the work of complexity
Environment, has effectively expanded range of application, can have faster reaction speed while ensureing spark detection precision, and risk processes
Strategy is the most diversified, it is adaptable to multi-field commercial production.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a kind of Spark plug optical fiber sensor system that the application proposes；
Fig. 2 is the structured flowchart of the processor chips of a kind of Spark plug optical fiber sensor system that the application proposes；
Fig. 3 is the structured flowchart of the controller of a kind of Spark plug optical fiber sensor system that the application proposes.
Detailed description of the invention
Because the problems of the prior art, the invention provides a kind of Spark plug optical fiber sensor system, when for Spark plug optical fiber sensor,
Not only it is provided with the function of anti-sunlight interference, has more the function of infrared heat source interference, greatly improve spark detection precision,
Also accommodate the working environment of complexity, effectively expanded range of application, can have relatively while ensureing spark detection precision
Fast response speed, Risk Coping Mechanisms is the most diversified, it is adaptable to multi-field commercial production.
In order to the technological thought of the present invention is expanded on further, in conjunction with concrete application scenarios, the technical side to the present invention
Case illustrates.
As it is shown in figure 1, the Spark plug optical fiber sensor system of the application, including controller 1, and electrically connect with controller 1 respectively
Spark detector 2, alarm mechanism 3 and spray are gone out device 4, and described spark detector 2 includes processor chips 21, and respectively with place
The photographic head 22 of reason device chip 21 electrical connection, solar spectrum sensor 23, thermal source sensor 24, Ultraviolet sensor 25, infrared biography
Sensor 26 and signal output unit 27, described photographic head 22, solar spectrum sensor 23, thermal source sensor 24, Ultraviolet sensor
25, the signal transmission that infrared sensor 26 detects is transmitted by signal output unit 27 to processor chips 21 analysis correction
Storing to controller 1 analyzing and processing and form control command, described controller 1 controls alarm mechanism 3 and spray according to control command
The device 4 that goes out works.
In concrete application scenarios, described solar spectrum sensor 23 has 5, and described Ultraviolet sensor 25 is 0.2um
The Ultraviolet sensor of wavelength, described infrared sensor 26 is the infrared sensor of 2.7um wavelength, the infrared sensing of 4.3um wavelength
Device, the infrared sensor of 3.9um wavelength or the infrared sensor of 4.7um wavelength.
It should be understood that owing to the optically-based Sensor Technology Development of spark detection technology is applied, so-called dry
The source of disturbing is mainly various light, thermal source radiation interference.It is broadly divided into the interference of sunlight light source, heat source body radiation interference and other light sources
Interference.Spark detection requires sensitiveer, and faster, more accurately, the interference of various light sources and radiation source is difficult to fully effective filtering,
It is that restriction spark detection instrument cannot be under relative complex environment at present, the main cause used the most out of doors.To this end, will be
Apparatus preparation sunlight all band optical pickocff, sets up simultaneously and thinks most heat source body ir radiation data storehouse as far as possible, be equipped with letter
Clean efficient data model and algorithm, make the stable operation under complex environment of the spark detection instrument to have obtained.
Concrete, instrument, to sunlight ray immunity, i.e. avoids the false alarm produced due to sunlight ray, so that spark
The applied environment of detector is greatly improved.5 solar spectrum sensors are installed in spark detector, use 5
Solar spectrum sensor can coordinate generation sunlight all band spectrum, and complete function is powerful, and Real-time Collection ambient light changes, right
According to program built-in solar spectrum data, filter sunlight ray interference, it is ensured that the precision to trickle spark detection.
Wherein, when spark detector is provided with sunlight immunologic function, after being placed in open environment use, spark detector will
The infrared ray impact that infrared heat source body is radiated, such as human body, or car engine etc. can be received.Install red at spark detector
After external heat source sensor, Real-time Collection predeterminable area infrared heat source changes, and compares the built-in spectrum baseline of program, filters thermal source soma
Disturb, it is ensured that the precision to trickle spark detection.
In concrete application scenarios, as in figure 2 it is shown, described processor chips 21 include the first correction unit 211, second
Correction unit 212 and processing unit 213, described processing unit 213 is used for receiving, forwards, processes signal and be preset with spectrum school
Positive formula, described first correction unit 211 is by transferring the spectrum correction formula being preset in processing unit 213 to default mark
Zhunyang light all band spectrum is corrected, and generates the previous sunlight all band curve of spectrum；Described second correction unit 212 is by adjusting
Take the spectrum correction formula being preset in processing unit 213 the previous sunlight all band curve of spectrum is corrected, generate current sun
The light all band curve of spectrum, as the correction signal of processor chips 21 process of current time.
It should be noted that the default updating formula of the application particularly as follows:
A) previous solar irradiation curve is synthesized with current solar irradiation curve negotiating equation below:
A (z, t)=2acos (kmz-ωmt)
Order
Then, in time domain, the time needed for phase place change:
In spatial domain, the distance of phase place change process:
B) two frequencies are close, and the intensity of the synthesis light wave that amplitude, the vibration light the most identical with the direction of propagation is formed is with position
Put the phenomenon changed with the time:
Then, light intensity I is:
I=A2=4a2cos2(kmz-ωmT)=2a2[1+cos2(kmz-ωmt)])；
The frequency of light intensity change:
2ωm=ω1-ω2；
C) when Δ ω is little,Therefore,
Therefore group index:vg＜ v
Then, normal dispersion:vg＜ v；
Anomalous dispersion:vg＞ v；
Vacuum and non-dispersive medium:vg=v.
Above updating formula be the present invention the most preferred embodiment, reach above-mentioned purpose and can also use other
Aligning step and formula, the above protection domain being all not intended to the application.
In concrete application scenarios, described system also includes:
Record unit 214, the correction signal that described record unit 214 obtains after obtaining processing unit 213 correction in real time, and
Energy value curve based on spark radiant value Yu time is generated according to described correction signal.
In concrete application scenarios, described second correction unit 212 includes:
Infrared heat source comparison module 2121, the infrared radiation signal recorded by described infrared sensor 26 is infrared with preset
Thermal source data base compare；
Second correction module 2122, when judging that described infrared radiation signal is to be produced by heat source body based on comparison result,
By default spectrum correction formula, the previous sunlight all band curve of spectrum is carried out second-order correction, generate current sunlight all-wave
The section curve of spectrum.
It should be noted that under normal circumstances, the spark generation initial stage will produce substantial amounts of ultraviolet, along with sending out of spark
Exhibition, infra-red radiation constantly strengthens, and ultraviolet radiation is relatively weak.Ultraviolet light wave is the light than visible ray light wave Zhang Gengchang.People
Naked eyes cannot see, (0.185 to 0.260 is micro-from 185 nanometers to 260 nanometers for the wave-length coverage of ultraviolet light of detection fire alarm
Rice).Spark detector, the detection wave-length coverage that make use of 185 to 0.260 micron fraction detector of nearly frequency ultraviolet spectrogram is big
It is about 0.12 to 3 microns.Detector can sense the black body energy radiation of 80% that flare discharges.Detector measurement
Energy radiates, and the radiation of this energy produces because of burning, and with light velocity propagation.In sum, ultraviolet detection means, it is possible at fire
At the initial stage that flower occurs, relative to infrared detection means, purple extraradial detection can find spark the most more accurately, for entering one
The confirmation of step and pre-blastproof generation, won the time.And detect the wave-length coverage of the infrared light of fire alarm from 700 nanometers to
7000 nanometers (0.7 to 7.0 micron).Spark detector make use of 0.7 to 1.1 micron fraction and the wideband of nearly frequency infrared spectrum
1.1 to 7.0 micron fraction of infrared spectrum.Detector also uses an extra SPECTRAL REGION, it is seen that spectrum is received from 400
Rice is to 700 nanometers (0.4 to 0.7 micron), it is seen that spectrum is used for correcting the generation of non-fire alarm wrong report.Detector can also sense specific
Wideband 4.3 infrared, " three is infrared " region, wave-length coverage is about from 3 to 5 microns.The product of spark is judged in ultraviolet detection means
While life, infrared optical sensor further confirms that the generation of spark, and then measures spark energy, thus reaches spark
Qualitative and quantitative, then by systemic presupposition, decide whether to export the functions such as warning.
Ultraviolet sensor measures the UV irradiation energy of spark early period of origination, to determine whether that spark occurs, infrared biography
Sensor receives and records spark and occurs and the infrared energy fluctuation of evolution.The response time of infrared sensor is relatively slow, typically
The response time of spark is more than 3 milliseconds, is then easy to occur that danger warning is delayed, causes immeasurable loss.Ultraviolet passes
Sense technology is compared with infrared detection means, the rapidest in terms of time response, and the response time even can reach nanosecond rank,
Can detect that spark signal is reported to the police and processes at the initial stage that spark occurs, but the precision of detection is the most relatively low, produces
Wrong report happens occasionally, and have impact on industrial efficiency.Therefore the application uses infrared sensor to combine with Ultraviolet sensor
Mode carries out the detection of spark.
Solar spectrum data are generated in real time by solar spectrum sensor, and trimming process is specifically obtaining solar spectrum
After solar spectrum baseline in data, based on described solar spectrum baseline, the solar irradiation signal in described radiation signal is filtered
Remove, thus generate radiated tuning signal.
In concrete application scenarios, as it is shown on figure 3, the controller 1 of the application also includes for each module for power supply
Supply module (not shown), and be connected respectively with described supply module signal receiving module 12, demultiplexer 13,
Signal response unit 14, signal processing unit 15, control unit 16 and signal output module 17, described signal receiving module 12 connects
The spark signal received is transmitted to signal output module 17, described signal response by the first signal branch and secondary signal branch road
Unit 14 is arranged in the first signal branch, and described secondary signal branch road is sequentially connected in series and is electrically connected with signal processing unit 15 and control
Unit 16 processed, described control unit 16 is additionally provided with spark and lights data base, and the control command of described controller 1 is exported by signal
Module 17 is transferred to alarm mechanism 3 and spray is gone out device 4.Wherein,
Described signal receiving module 12 is used for receiving the sent spark signal of signal output unit, and is forwarded by spark signal
To demultiplexer 13；
Described signal processing unit 15, for receiving the spark signal of described demultiplexer 13 separating treatment, is located
Reason, show and store after transmit to control unit 16；
Described signal response unit 14 is for receiving another road spark signal of demultiplexer separating treatment 13, to spark
Detector 2 sends a group acknowledge signal, and after the confirmation signal receiving spark detector 2 feedback, is sent by spark signal
To signal output module 17；
Described control unit 16 is for transferring spark light database data according to the risk rule preset and process strategy
And the correction signal that processes of described processor chips 21 judge detection scene in whether there is risk, and when there is risk
Described risk is processed and is generated the control signal of correspondence based on the default strategy that processes.
In concrete application scenarios, described signal processing unit 15 has been also respectively connected with display module 151 and Flash and has deposited
Reservoir 152, described display module 151 is for showing spark energy value and the duty of spark detector 2, described duty
Including normal, warning or fault three kinds, and by the energy value size of energy cylindricality formula display spark, described flash storage
152 before and after storing or having access to report to the police the warning energy value of 15s, the warning curve of spectrum, video information and time parameter.
It should be noted that photographic head 22 selects high-definition camera, there is the process of development for real time record spark.Take the photograph
2 kinds of states of work when can set work in 24 hours as 22 or report to the police, rear end storage spark occurs and starts warning function
15s image file front and back.
In concrete application scenarios, described control unit 16 includes:
Data memory module 161, is used for storing or transferring described risk rule and process strategy；
Signal judge module 162, is used for transferring described risk rule and based on described risk rule to described radiant correction
Signal carries out risk judgment, processes information when there is risk to signal processing module transmission；
Signal processing module 163, is used for transferring described process strategy and based on the described strategy that processes to described process information
Processing, the control signal that generates after process is also sent alarm mechanism and spray by signal output module and goes out device.
Risk judgment is carried out in the following way in the embodiment of the application:
A) the energy correction value of correspondence is drawn according to described radiated tuning signal；
B) judge whether described energy correction value is more than the risk threshold value of described risk rule；
C) there is risk in the most then judging described predeterminable area.
Concrete, in use, the risk threshold value of combustible can pass through ignition energy data to the embodiment of the application
Storehouse selects, if lacking the ignition energy data that this combustible is corresponding in data base, it is possible to pass through correlation meter
Measure after correspondence lights energy datum and be manually entered risk threshold value.
In presently filed embodiment, production environments based on different danger classes need to select different process plans
Slightly, optimal Spark plug optical fiber sensor and treatment effect can be reached.The application is provided with three kinds and processes strategy to adapt to multiple production
Environment, specific as follows:
1) the first danger classes, sets and finds that UV signal i.e. starts highest level and reports to the police, start automatic spray simultaneously and set
Standby, measure infrared record frequency by infrared sensor；
2) the second danger classes, sets and finds that UV signal i.e. starts pre-alarm, but the most do not start automatic spray and set
Standby, wait that infrared signal restarts automatic spraying equipment after adding their confirmation；
3) the 3rd danger classes, sets and finds that UV signal does not start pre-alarm and the most do not starts automatic spraying equipment, wait
Infrared signal restarts automatic spraying equipment after adding their confirmation.
Therefore the application detailed description of the invention discloses following process step:
A) when described process strategy is the first estate, then output alarm signal and fire-fighting perform signal simultaneously；
B) when described process strategy is the second grade, if described risk is as according to judging by ultraviolet radiation signal
, the most only output alarm signal, if described risk is judged as foundation by infrared radiation signal, export warning the most simultaneously
Signal and fire-fighting perform signal；
C) when described process strategy is the tertiary gradient, if described risk is as according to judging by ultraviolet radiation signal
, output alarm signal and fire-fighting do not perform signal, if described risk is judged, then as foundation by infrared radiation signal
Output alarm signal and fire-fighting simultaneously performs signal.
In concrete application scenarios, described signal output module 17 is by signaling interface and described alarm mechanism 3 and spray
The device 4 that goes out connects, described signaling interface be the one in RS232 interface, RS485 interface, 4-20mA interface and relay interface or
Several.
Concrete, wherein, the application product uses digital noise reduction and signal separation techniques, is improving system response time,
While display precision, it is ensured that receive the accuracy of signal.
After the receiver module of controller receives spark detector signal, by signal separation module, signal is divided into independence
2 groups of identical signals；
First group of signal: purpose is contemplated to ensure that the system start-up that is found to of System production time, i.e. spark sprays, directly
To the extinguishing of spark, the overall work time is less than 30nSec.Signal after the Ultraviolet sensor in spark detector detects,
Access signal output module after arrangement, it is possible to complete realizes whole warning functions, including starting spray system, start valve
Close closed system (if there is), start acoustooptic alarm system.Meanwhile, for ensureing the accuracy of signal, anti-stop signal is judged by accident, and this group is believed
Number system built-in signal response unit, after controller receives the warning enabling signal that spark detector sends, visits to spark
Survey device and send a group acknowledge signal, only after spark detector is to confirmation signal feedback, controller side's enabling signal output function；
Second group of signal: this group signal is used for systematic analysis and record.Signal passes through signal processing unit processes and parsing
Afterwards, owing to being limited by display frequency, in the way of energy post, show roughly energy value, complete numeral at controller end
Record and image file are stored in flash memory, for exporting and having access to.The warning output condition of this group signal, according to fire
Spend the size of energy to set, only the generation of spark detected when spark detector, and the energy of spark reaches setting value
After, can output alarm signal.The basis of design imflammable gas of spark warning energy or the 50% of the ignition energy of dust or
80% and set general early warning signal and alarm signal.The built-in imflammable gas of system or the minimum of dust light energy datum
Storehouse, is exemplified below:
At 1 normal atmosphere 20 DEG C:
The minimum ignition energy of hydrocarbon fuel is about 9.0mJ
The about 3.0mJ of methane
The about 2.5mJ of toluene
Acetylene and the about 0.12mJ of hydrogen
The about 2-4mJ of stratiform asphalt powder
The output of alarm signal: first group of signal alarm output, i.e. finds that spark is reported to the police immediately；Second group of signal output,
I.e. find spark, and the combustion energy that touches the bottom 50% and 80% time output early warning and alarm signal；Wherein, first group of signal
It is limited to second group of signal output, i.e. finds spark output alarm signal immediately, be then passed through the verification of second group of signal, reach
Minimum ignition energy 50% or 80% time output early warning and alarm signal, wherein, the 50% of minimum ignition energy or 80% this
A little predetermined threshold value can carry out the setting of different value according to concrete varying environment.
Through the above description of the embodiments, those skilled in the art is it can be understood that can lead to the present invention
Cross hardware to realize, it is also possible to the mode adding necessary general hardware platform by software realizes.Based on such understanding, this
Bright technical scheme can embody with the form of software product, and this software product can be stored in a non-volatile memories
Medium (can be CD-ROM, USB flash disk, portable hard drive etc.) in, including some instructions with so that a computer equipment (can be
Personal computer, server, or the network equipment etc.) each implements the method described in scene to perform the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram being preferable to carry out scene, module in accompanying drawing or
Flow process is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in the device implemented in scene can be entered according to implementing scene description
Row is distributed in the device implementing scene, it is also possible to carries out respective change and is disposed other than one or more dresses of this enforcement scene
In putting.The module of above-mentioned enforcement scene can merge into a module, it is also possible to is further split into multiple submodule.
The invention described above sequence number, just to describing, does not represent the quality implementing scene.
The several scenes that are embodied as being only the present invention disclosed above, but, the present invention is not limited to this, Ren Heben
What the technical staff in field can think change all should fall into protection scope of the present invention.
Claims (9)
1. a Spark plug optical fiber sensor system, described system includes controller, and be electrically connected with the controller respectively spark detector,
Alarm mechanism and spray are gone out device, it is characterised in that described spark detector includes processor chips, and respectively with processor core
The photographic head of sheet electrical connection, solar spectrum sensor, thermal source sensor, Ultraviolet sensor, infrared sensor and signal output are single
Unit, the signal transmission that described photographic head, solar spectrum sensor, thermal source sensor, Ultraviolet sensor, infrared sensor detect
To controller analyzing and processing storage and control command is formed by signal output unit transmission to processor chips analysis correction,
Described controller controls alarm mechanism and spray according to control command and goes out device work.
2. Spark plug optical fiber sensor system as claimed in claim 1, it is characterised in that described processor chips include the first correction list
Unit, the second correction unit and processing unit, described processing unit is used for receiving, forwards, processes signal and be preset with spectrum correction
Formula, described first correction unit is by transferring the spectrum correction formula being preset in processing unit to complete with default standard sunlight
Band spectrum is corrected, and generates the previous sunlight all band curve of spectrum；Described second correction unit is preset in place by transferring
The previous sunlight all band curve of spectrum is corrected by the spectrum correction formula of reason unit, generates current sunlight all band light and sets a song to music
Line, as the correction signal of the processor chips process of current time.
3. Spark plug optical fiber sensor system as claimed in claim 2, it is characterised in that described system also includes:
Record unit, the correction signal that described record unit obtains after obtaining processing unit correction in real time, and according to described correction
Signal generates energy value curve based on spark radiant value Yu time.
4. Spark plug optical fiber sensor system as claimed in claim 2, it is characterised in that described second correction unit includes:
Infrared heat source comparison module, the infrared radiation signal that described infrared sensor is recorded and the infrared heat source data base preset
Compare；
Second correction module, when judging that described infrared radiation signal is to be produced by heat source body based on comparison result, by presetting
Spectrum correction formula the previous sunlight all band curve of spectrum is carried out second-order correction, generate current sunlight all band light and set a song to music
Line.
5. Spark plug optical fiber sensor system as claimed in claim 2, it is characterised in that described controller also includes for supplying to each module
Electricity supply module, and be connected respectively with described supply module signal receiving module, demultiplexer, signal response list
Unit, signal processing unit, control unit and signal output module, the spark signal that described signal receiving module receives is by the
One signal branch and secondary signal branch road transmit to signal output module, and described signal response unit is arranged on the first signal branch
On, described secondary signal branch road is sequentially connected in series and is electrically connected with signal processing unit and control unit, and described control unit is additionally provided with
Spark lights data base, the control command of described controller is transferred to alarm mechanism by signal output module and spray is gone out device.
Wherein,
Described signal receiving module is used for receiving the sent spark signal of signal output unit, and spark signal is transmitted to signal
Separator；
Described signal processing unit for receiving the spark signal of described demultiplexer separating treatment, carry out processing, show and
Transmit to control unit after storage；
Described signal response unit, for receiving another road spark signal of demultiplexer separating treatment, is sent out to spark detector
Send a group acknowledge signal, and after the confirmation signal receiving spark detector feedback, spark signal is sent to signal output
Module；
Described control unit is for transferring spark light database data and institute according to the risk rule preset and process strategy
State in the correction signal that processor chips process judges detection scene and whether there is risk, and when there is risk based on default
The strategy that processes described risk processes and generated the control signal of correspondence.
6. Spark plug optical fiber sensor system as claimed in claim 5, it is characterised in that: described signal processing unit has been also respectively connected with aobvious
Showing module and flash storage, described display module is for showing the duty of spark energy value and spark detector, described
Duty includes normally, reports to the police or fault three kinds, and by the energy value size of energy cylindricality formula display spark, described
Flash storage for store or have access to report to the police before and after the warning energy value of 15s, the warning curve of spectrum, video information with in time
Between parameter.
7. Spark plug optical fiber sensor system as claimed in claim 5, it is characterised in that described control unit includes:
Data memory module, is used for storing or transferring described risk rule and process strategy；
Signal judge module, is used for transferring described risk rule and carrying out described radiated tuning signal based on described risk rule
Risk judgment, processes information when there is risk to signal processing module transmission；
Signal processing module, be used for transferring described process strategy and based on described process strategy to described process information at
Reason, the control signal generated after process is also sent alarm mechanism and spray by signal output module and goes out device.
8. Spark plug optical fiber sensor system as claimed in claim 7, it is characterised in that described signal output module by signaling interface with
Described alarm mechanism and spray go out device connect, described signaling interface be RS232 interface, RS485 interface, 4-20mA interface with
One or more in relay interface.
9. the immune system of infrared heat source as claimed in claim 1, it is characterised in that described solar spectrum sensor has 5,
Described Ultraviolet sensor is the Ultraviolet sensor of 0.2um wavelength, described infrared sensor be 2.7um wavelength infrared sensor,
The infrared sensor of 4.3um wavelength, the infrared sensor of 3.9um wavelength or the infrared sensor of 4.7um wavelength.
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