CN104269017B - A kind of method for supervising - Google Patents
A kind of method for supervising Download PDFInfo
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- CN104269017B CN104269017B CN201410505211.0A CN201410505211A CN104269017B CN 104269017 B CN104269017 B CN 104269017B CN 201410505211 A CN201410505211 A CN 201410505211A CN 104269017 B CN104269017 B CN 104269017B
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- image analysis
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- analysis equipment
- flame
- smog
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- 238000010191 image analysis Methods 0.000 claims abstract description 73
- 238000012544 monitoring process Methods 0.000 claims abstract description 71
- 238000012360 testing method Methods 0.000 claims abstract description 4
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- 239000000523 sample Substances 0.000 claims description 7
- 230000002285 radioactive effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 4
- LXQXZNRPTYVCNG-YPZZEJLDSA-N americium-241 Chemical compound [241Am] LXQXZNRPTYVCNG-YPZZEJLDSA-N 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
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- 238000007689 inspection Methods 0.000 claims 1
- 230000009545 invasion Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
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- 230000005619 thermoelectricity Effects 0.000 description 2
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
- 229910052695 Americium Inorganic materials 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
- G08B19/005—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow combined burglary and fire alarm systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
- G08B13/191—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems using pyroelectric sensor means
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
- G08B17/113—Constructional details
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- 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
- G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
Abstract
The present invention relates to a kind of method for supervising, the method comprises: 1) a kind of monitoring system is provided, described monitoring system comprises n ion type smog sensor, n pyroelectric infrared sensor, m image analysis equipment and primary processor, m is less than n, n and m are greater than 1 natural number, ion type smog sensor and pyroelectric infrared sensor are corresponding one by one, the corresponding multiple ion type smog sensors of image analysis equipment and multiple pyroelectric infrared sensor, a described primary processor and described n ion type smog sensor, a described n pyroelectric infrared sensor is connected respectively with a described m image analysis equipment, with based on multiple ion type smog sensors corresponding to each image analysis equipment and the testing result of multiple pyroelectric infrared sensors, control the opening and closing of each image analysis equipment, and 2) monitor by described monitoring system.
Description
Technical field
The present invention relates to monitoring field, target area, relate in particular to a kind of method for supervising.
Background technology
Alloy plant area is due to a large amount of precious metals, particularly some rare metals of using, and price is highExpensive, therefore need emphasis to monitor, to prevent that lawless person from entering, avoiding fire, smogSpread brought loss.
But, target area of the prior art monitoring system, the cigarette to fire hazard monitoring, Wen HuoCombustible gas sensor is all to separate layout, not collection to the infrared sensor of intrusion alarmMiddle management, the also None-identified of flame grade when breaking out of fire, simultaneously in each target areaCamera is all settled in control point, and camera start in general 24 hours, only occurs and invasion is generalIn certain a period of time of some control points, this has just caused the larger waste of shooting resource.
Therefore, need a kind of new target area monitoring system, to the various biographies in target areaSensor is realized centralized management, simultaneously taking sensor as anticipation equipment, needs camera work in anticipationIn situation about doing, just start camera to realize the identification of flame grade and adopting of intruding imageCollection.
Summary of the invention
In order to address the above problem, the invention provides a kind of method for supervising, set up picture pick-up deviceRelation with the one-to-many of sensor, is used rotatable camera, tentatively judges at sensorThere is fire or when invasion, just start and rotate and carry out image towards the direction at sensor place and adoptCollection, and introduce flame grade identification equipment to determine flame grade, thus can reduce energy consumptionTime, for target area supervision department provides more valuable monitor data.
According to an aspect of the present invention, provide a kind of method for supervising, the method comprises: 1)A kind of monitoring system is provided, and described monitoring system comprises n ion type smog sensor, nPyroelectric infrared sensor, a m image analysis equipment and primary processor, m is less than n, n andM is greater than 1 natural number, ion type smog sensor and pyroelectric infrared sensor---Correspondence, the corresponding multiple ion type smog sensors of image analysis equipment and multiple pyroelectricity are redOuter sensor, a described primary processor and described n ion type smog sensor, a described n heatRelease electric infrared sensor and be connected respectively with a described m image analysis equipment, with based on eachMultiple ion type smog sensors that image analysis equipment is corresponding and multiple rpyroelectric infrared sensingThe testing result of device, controls the opening and closing of each image analysis equipment; And 2) makeMonitor by described monitoring system.
More specifically, in described monitoring system, described monitoring system also comprises memory, depositsStored up corresponding relation database, described corresponding relation database is taking image analysis equipment as index,Each position of rotation and the different rotary position institute that have preserved each image analysis equipment are rightThe different ions formula Smoke Sensor of answering and different pyroelectric infrared sensor, described memory alsoFlame upper limit gray threshold, flame lower limit gray threshold and the contrast of area of flame grade are storedTable, described flame upper limit gray threshold and described flame lower limit gray threshold are for by imageFlame and background separation; Described ion type smog sensor comprise internal ionization chamber, outer ionisation chamber,Two radiation electrodes and radioactive source, described radioactive source for putting between described two radiation electrodesPenetrate isotope americium 241, for described ion type smog sensor provides negative ions, described interior electricityFrom chamber sealing, outside smog cannot enter, described outer ionization chamber opening, and outside smog can enterEnter, under smogless environment, the voltage of inside and outside ionisation chamber is constant, under the environment that has smog,The voltage of inside and outside ionisation chamber changes, and sends smog alarm signal; Described pyroelectric infrared sensorFor by detecting the infrared light that whether has the fixed wave length that human body produces, determine whether to send outGo out to invade alarm signal; Described primary processor and described memory, a described n ion type smogSensor, a described n pyroelectric infrared sensor and described m image analysis equipment are respectivelyConnect, send smog alarm signal or receive pyroelectricity receiving ion type smog sensorWhen intrusion alarm signal that infrared sensor sends, close by the correspondence of inquiring about in described memoryBe database, find the image corresponding with ion type smog sensor or pyroelectric infrared sensorAnalytical equipment and corresponding image analysis equipment position of rotation, the image that starts described correspondence dividesDesorption device, and the image analysis equipment position of rotation of described correspondence is sent to the figure of described correspondencePicture analytical equipment; Described image analysis equipment comprises turntable, camera and image processor,While receiving the image analysis equipment position of rotation of described correspondence, control turntable with described in rotating toCorresponding image analysis equipment position of rotation, described camera is for the monitoring figure of acquisition monitoring pointPicture, described image processor comprises sungpan monkshood root separation of images unit and flame classification unit,Described sungpan monkshood root separation of images unit is connected respectively with described camera and described memory, forBy gray value in described monitoring image at described flame upper limit gray threshold and described flame lower limitPixel between gray threshold is identified and is formed sungpan monkshood root image, described flame classification unitBe connected respectively with described sungpan monkshood root separation of images unit and described memory, based on described sungpan monkshood rootImage calculation area of flame, and according to described area of flame and the described area of flame grade table of comparisonsDetermine the flame grade that described area of flame is corresponding; Wireless network card, with described primary processor and instituteState image analysis equipment and connect respectively, set up double-direction radio data communication by cordless communication networkLink transmits wirelessly described smog alarm signal, institute in the time receiving described smog alarm signalState affiliated monitoring corresponding to ion type smog sensor of flame grade and described smog alarm signalPoint, in the time receiving described intrusion alarm signal, transmits wirelessly described intrusion alarm signal, instituteState affiliated monitoring corresponding to pyroelectric infrared sensor of monitoring image and described intrusion alarm signalPoint, wireless transmission data are mail to local policing administration platform to described wireless network card or director movesMoving terminal; Wherein, also every in corresponding relation database described in regular check of described primary processorAn image analysis equipment, exists image analysis equipment there is no corresponding ion type smog sensingThe invasion report that device sends smog alarm signal or do not have corresponding pyroelectric infrared sensor to sendWhen alert signal, close the image analysis equipment of described existence; Described n ion type smog sensingDevice and a described n pyroelectric infrared sensor---correspondence, be arranged in pairs in respectively target areaN control point, the monitoring range of each image analysis equipment covers multiple control points, everyAn image analysis equipment is rotatable to face different control points; Described primary processor starts instituteState corresponding image analysis equipment and comprise, in the time receiving smog alarm signal, it is described right to startTurntable, camera and image processor in the image analysis equipment of answering, receiving invasion reportWhen alert signal, start turntable and camera in the image analysis equipment of described correspondence.
More specifically, in described monitoring system, described memory, described primary processor and instituteState the Control Room that wireless network card is all positioned at described target area.
More specifically, in described monitoring system, also comprise LCDs, connection layout looks like pointDesorption device is to receive and to show described monitoring image.
More specifically, in described monitoring system, also comprise power supply, be used to described prisonControl system provides supply of electric power.
More specifically, in described monitoring system, described pyroelectric infrared sensor also comprises redOuter probe and signal operation device, described infrared probe is for detection of the infrared light of control point, described inSignal operation device is connected with described infrared probe, for determining whether the infrared light detecting belongs toThe infrared light of the fixed wave length that human body produces.
Brief description of the drawings
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the monitoring system that illustrates according to an embodiment of the present invention.
Fig. 2 is the image analysis equipment of the monitoring system that illustrates according to an embodiment of the present inventionBlock diagram.
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of monitoring system of the present invention is elaborated.
The target of main monitoring has two kinds at present.
The first monitoring objective is, by the invader in back door target approach region, thisA little people do not pass through the target approach region, normal gateway of target area, but take to climb over the walls etc.Other means, the time period in target approach region is also typically chosen in morning or other people are when fewBetween. For this class monitoring objective, target area safety monitoring system mostly adopts infrared ray sensingThe mode of device detection alarm completes monitoring, and multiple infrared ray sensings are set in key monitoring pointDevice, in the time that the set time, section detected that someone enters, sends warning message, for some targetsRegion, can be chosen in key monitoring point multiple cameras are set, and within 24 hours, carries out picture control.
When the second monitoring objective, the contingent fire in each position, target area, due to guarantorPeace can not have people to patrol to all positions, target area in 24 hours in real time, if in nothingThe breaking out of fire of people district, consequence is hardly imaginable. For this class monitoring objective, target area safetyThe mode of monitoring system meeting choice for use Smoke Sensor detection alarm completes monitoring, is closingKey control point arranges multiple Smoke Sensors, sends warning message in the time smog being detected.
But existing target area safety monitoring system does not have polytype sensorMachine is managed concentratedly, lacks fire analysis means simultaneously, cannot judge condition of a fire size, and,For the monitoring system of 24 hours cameras, although cover target complete regional extent,But cost is higher.
Monitoring system of the present invention, by appropriate design multiple sensors in control point, target areaLayout, for each image analysis equipment designs rotatable pattern, and corresponding multiple infrared raySensor and multiple Smoke Sensor, and only having corresponding infrared ray sensor or smog to passWhen sensor detects warning message, just start image analysis equipment and carry out fire size class analysis and enterInvade monitoring image collecting work, reduced energy consumption, reduced construction costs, improved order simultaneouslyThe intelligent level of mark region security monitoring system.
Fig. 1 is the block diagram of the monitoring system that illustrates according to an embodiment of the present invention, described inMonitoring system comprises n ion type smog sensor 1, a n pyroelectric infrared sensor 2, mIndividual image analysis equipment 3 and primary processor 4, m is less than n, n and m be all greater than 1 fromSo number, ion type smog sensor 1 and pyroelectric infrared sensor 2---correspondence, a figureThe picture corresponding multiple ion type smog sensors 1 of analytical equipment 3 and multiple pyroelectric infrared sensor2, described primary processor 4 is released with described n ion type smog sensor 1, a described n heatElectricity infrared sensor 2 is connected respectively with a described m image analysis equipment 3, with based on eachMultiple ion type smog sensors 1 and multiple rpyroelectric infrared of individual image analysis equipment 3 correspondencesThe testing result of sensor 2, controls the opening and closing of each image analysis equipment 3.
Then, the structure of monitoring system of the present invention is carried out to more specific description.
Described monitoring system also comprises memory, has stored corresponding relation database, described correspondenceRelational database, taking image analysis equipment 3 as index, has been preserved each image analysis equipment 3The corresponding different ions formula of each position of rotation and different rotary position Smoke Sensor1 and different pyroelectric infrared sensor 2, described memory has also been stored flame upper limit gray scale thresholdValue, flame lower limit gray threshold and the area of flame grade table of comparisons, described flame upper limit gray scale thresholdValue and described flame lower limit gray threshold are used for the flame of image and background separation.
Described ion type smog sensor 1 comprises internal ionization chamber, outer ionisation chamber, two radiation electricityThe utmost point and radioactive source, described radioactive source is for emitting isotope americium between described two radiation electrodes241, for described ion type smog sensor 1 provides negative ions, the sealing of described internal ionization chamber,Outside smog cannot enter, described outer ionization chamber opening, and outside smog can enter, smokelesslyUnder the environment of mist, the voltage of inside and outside ionisation chamber is constant, under the environment that has smog, and inside and outside ionizationThe voltage of chamber changes, and sends smog alarm signal.
Whether described pyroelectric infrared sensor 2 is for existing human body to produce by detectingThe infrared light of fixed wave length, determines whether to send intrusion alarm signal.
Described primary processor 4 and described memory, a described n ion type smog sensor 1,A described n pyroelectric infrared sensor 2 is connected respectively with a described m image analysis equipment 3,Send smog alarm signal or receive pyroelectricity red receiving ion type smog sensor 1When intrusion alarm signal that outer sensor 2 sends, close by the correspondence of inquiring about in described memoryBe database, find corresponding with ion type smog sensor 1 or pyroelectric infrared sensor 2Image analysis equipment 3 and corresponding image analysis equipment position of rotation, start described correspondenceImage analysis equipment 3, and described in the image analysis equipment position of rotation of described correspondence is sent toCorresponding image analysis equipment 3.
With reference to Fig. 2, described image analysis equipment 3 comprise turn 31, camera 32 and image placeReason device 33, in the time receiving the image analysis equipment position of rotation of described correspondence, controls turntable31 to rotate to the image analysis equipment position of rotation of described correspondence, described camera 32 forThe monitoring image of acquisition monitoring point, described image processor 33 comprises sungpan monkshood root separation of images listUnit and flame classification unit, described sungpan monkshood root separation of images unit and described camera 31Be connected respectively with described memory, for by described monitoring image gray value at described flamePixel between limit gray threshold and described flame lower limit gray threshold is identified and is formed sungpan monkshood rootImage, described flame classification unit and described sungpan monkshood root separation of images unit and described storageDevice connects respectively, based on described sungpan monkshood root image calculation area of flame, and according to described flame frontLong-pending and the described area of flame grade table of comparisons is determined the flame grade that described area of flame is corresponding.
Described monitoring system also comprises wireless network card, divides with described primary processor 4 and described imageDesorption device connects respectively, sets up double-direction radio data link by cordless communication network,While receiving described smog alarm signal, transmit wirelessly described smog alarm signal, described flame etc.Under level and described smog alarm signal, the control point of ion type smog sensor 1 correspondence, is connecingWhile receiving described intrusion alarm signal, transmit wirelessly described intrusion alarm signal, described monitoring figureThe control point of pyroelectric infrared sensor 2 correspondences under picture and described intrusion alarm signal, described inWireless transmission data are mail to local policing administration platform or director's mobile terminal by wireless network card.
Wherein, also each in corresponding relation database described in regular check of described primary processor 4Individual image analysis equipment 3, exists image analysis equipment 3 not have corresponding ion type smog to passWhat sensor 1 sent smog alarm signal or there is no that corresponding pyroelectric infrared sensor 2 sends entersWhile invading alarm signal, close the image analysis equipment 3 of described existence.
Described n ion type smog sensor 1 and a described n pyroelectric infrared sensor 2--correspondence, is arranged in pairs in respectively n control point of target area, and each graphical analysis is establishedStandby 3 monitoring range covers multiple control points, and each image analysis equipment 3 is rotatable with faceTo different control points; Described primary processor 4 starts the image analysis equipment 3 of described correspondence and wrapsDraw together, in the time receiving smog alarm signal, start in the image analysis equipment 3 of described correspondenceTurntable 31, camera 32 and image processor 33, in the time receiving intrusion alarm signal, openTurntable 31 and camera 32 in the image analysis equipment 3 of moving described correspondence.
Wherein, in described monitoring system, described memory, described primary processor 4 and described inWireless network card is all positioned at the Control Room of described target area, and described monitoring system can also compriseLCDs, connects image analysis equipment 3 to receive and to show described monitoring image, described inMonitoring system can also comprise power supply, is used to described monitoring system that supply of electric power is provided,Described pyroelectric infrared sensor 2 also comprises infrared probe and signal operation device, described infrared spyHead is for detection of the infrared light of control point, and described signal operation device is connected with described infrared probe,For determining whether the infrared light that detects belongs to the infrared light of the fixed wave length that human body produces.
In addition, Smoke Sensor is to realize fire disasters protection, cigarette by the concentration of monitoring smogMist sensor be widely used in city security protection, target area, factory, company, school, family,The various fields such as villa, warehouse, resource, oil, chemical industry, gas transmission and distribution. Smoke alarmThe inner ion type smog sensor that adopts, ion type smog sensor is a kind of advanced technology, workMake reliable and stable sensor, be widely used in various fire protection alarm systems, performance is far excellentIn the fire-alarm of gas sensing resistance class.
Ion type smog sensor has radioactive source americium 241 in inside and outside ionisation chamber the inside, and ionization producesPositive and negative ion, under the effect of electric field, move to positive and negative electrode separately. In normal situationUnder, the electric current of inside and outside ionisation chamber, voltage are all stable. Flee in disorder outer ionisation chamber once there be smog.Disturb the proper motion of charged particle, electric current, voltage will change to some extent, inside and outside having destroyedBalance between ionisation chamber, so ion type smog sensor can send nothing by wireless launcherLine alarm signal, the Receiving Host in a notice distant place, passes warning message. Ion smogAlarm wants sensitiveer to the induction of small smoke particle, to various cigarette energy equalizer responses.
In addition, pyroelectric infrared sensor is mainly the material by a kind of high Seebeck coefficient, as zirconiumLead titanates system pottery, lithium tantalate, triglycine sulfate etc. are made the detection unit that is of a size of 2 × 1mmPart. In each detector, pack one or two detecting element into, and by two detecting elements withReversed polarity series connection, to suppress due to the interference producing that raises of self temperature. Will by detecting elementThe infra-red radiation of surveying and receiving is transformed into faint voltage signal, the field in being contained in probeEffect pipe amplifies backward outer output. For the detectivity that improves detector is surveyed distance to increaseFrom, generally in a Fresnel Lenses of the front of detector installing, this lens transparent plastic systemBecome, upper and lower two parts of lens are respectively divided into some equal portions, make one and there is special opticalThe lens of system, he and amplifying circuit match, signal can be amplified more than 70 decibels, thisSample just can be measured the action of people within the scope of 20 meters.
Pyroelectric infrared sensor is structurally introduced FET, and its object has been impedanceConversion. What export because thermoelectricity is first is charge signal, can not directly use, thereby need to useResistance is converted into voltage form. Therefore the N channel junction field-effect pipe of introducing should be connected into altogetherLeakage form completes impedance transformation. Pyroelectric infrared sensor is by sensor measuring unit, interference filterSheet and FET adaptation three part compositions. When design, high thermoelectric material should be made necessarily thickThe thin slice of degree, and plate metal electrode on his two sides, then power up it is polarized, thisSample has just been made pyroelectric detect unit. There is polarity, the therefore utmost point owing to adding electropolarized voltageAlso there is positive and negative polarity in detection unit after change. This sensor is by contrary two polarity, characteristicConsistent detection unit is serially connected, object be eliminate because of environment and Self-variation cause dryDisturb. He utilizes former that two contrary, equal-sized interfering signals of polarity cancel out each other in insideReason is compensated sensor. For the infra-red radiation that is radiated to sensor, pyroelectricity sensingDevice adds to two after Fresnel Lenses before sensor is focused on and surveys unit by being arranged onUpper, thus make sensor output voltage signal. Manufacture rpyroelectric infrared and survey the high thermoelectricity material of unitMaterial is a kind of wide spectrum material, and his detection wave-length coverage is 0.2-20um. For to a certain wavelengthThe infra-red radiation of scope has higher sensitivity, and this sensor has installed one additional on window interferes filterWave plate. This filter plate is except allowing the infra-red radiation of some wave-length coverage passes through, can also be byLight, sunlight and other infra-red radiation are kept outside of the door.
Adopt monitoring system of the present invention, for the sensing of existing target area safety monitoring systemManagement is disperseed, the not intelligent technical problem of camera mode of operation, will detect invasion and the condition of a fireDissimilar sensor incorporate in a monitoring system and manage concentratedly, for image recognition apparatus is carriedTo cover more multizone, reduce number of devices for pivoting mechanism, meanwhile, only at the beginning of sensorStep detects that alarm condition time side starts image recognition apparatus and carries out fire size class analysis and invasionMonitoring image gathers, and has improved the intelligent degree of monitoring system, has reduced system energy consumption and has openedPin.
Be understandable that, although the present invention disclose as above with preferred embodiment, but above-mentionedEmbodiment is not in order to limit the present invention. For any those of ordinary skill in the art,Do not departing from technical solution of the present invention scope situation, all can utilize the technology contents of above-mentioned announcementTechnical solution of the present invention made to many possible variations and modification, or be revised as equivalent variationsEquivalence embodiment. Therefore, every content that does not depart from technical solution of the present invention, according to the present inventionTechnical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, allStill belong in the scope of technical solution of the present invention protection.
Claims (1)
1. a method for supervising, is characterized in that, the method comprises:
1) provide a kind of monitoring system, described monitoring system comprises n ion type smog sensor, nIndividual pyroelectric infrared sensor, a m image analysis equipment and primary processor, m is less than n, n and mBe to be all greater than 1 natural number, ion type smog sensor and pyroelectric infrared sensor are corresponding one by one,The corresponding multiple ion type smog sensors of image analysis equipment and multiple pyroelectric infrared sensor,Described primary processor passes with described n ion type smog sensor, a described n rpyroelectric infrared respectivelySensor is connected with a described m image analysis equipment, with based on corresponding many of each image analysis equipmentThe testing result of individual ion type smog sensor and multiple pyroelectric infrared sensors, controls each figureThe opening and closing of picture analytical equipment; And
2) monitor by described monitoring system;
Described monitoring system also comprises:
Memory, has stored corresponding relation database, and described corresponding relation database is established with graphical analysisStandby is index, has preserved each position of rotation and the different rotary position of each image analysis equipmentPut corresponding different ions formula Smoke Sensor and different pyroelectric infrared sensor, described memoryAlso store flame upper limit gray threshold, flame lower limit gray threshold and the area of flame grade table of comparisons,Described flame upper limit gray threshold and described flame lower limit gray threshold for by the flame of image andBackground separation;
Described ion type smog sensor comprises internal ionization chamber, outer ionisation chamber, two radiation electrodes and putsPenetrate source, described radioactive source, for emitting isotope americium 241 between described two radiation electrodes, is instituteState ion type smog sensor negative ions is provided, the sealing of described internal ionization chamber, outside smog cannot enterEnter, described outer ionization chamber opening, outside smog can enter, under smogless environment, interior dispatch from foreign news agencyVoltage from chamber is constant, and under the environment that has smog, the voltage of inside and outside ionisation chamber changes, and sends smogAlarm signal;
The set wave of described pyroelectric infrared sensor for whether existing human body to produce by detectionLong infrared light, determines whether to send intrusion alarm signal;
Described primary processor respectively with described memory, a described n ion type smog sensor, described inN pyroelectric infrared sensor is connected with a described m image analysis equipment, receiving ionic formula cigaretteMist sensor sends smog alarm signal or receives the intrusion alarm that pyroelectric infrared sensor sendsWhen signal, by inquiring about the corresponding relation database in described memory, find with ion type smog and passThe image analysis equipment that sensor or pyroelectric infrared sensor are corresponding and corresponding image analysis equipmentPosition of rotation, starts the image analysis equipment of described correspondence, and by the image analysis equipment of described correspondencePosition of rotation sends to the image analysis equipment of described correspondence;
Described image analysis equipment comprises turntable, camera and image processor, receive described rightAnswer image analysis equipment position of rotation time, control turntable establish with the graphical analysis that rotates to described correspondenceStandby position of rotation, described camera is for the monitoring image of acquisition monitoring point, described image processor bagDraw together sungpan monkshood root separation of images unit and flame classification unit, described sungpan monkshood root separation of images unit dividesBe not connected with described camera and described memory, for by described monitoring image gray value describedPixel between flame upper limit gray threshold and described flame lower limit gray threshold is identified and is formed flameSubimage, described flame classification unit respectively with described sungpan monkshood root separation of images unit and described in depositReservoir connects, based on described sungpan monkshood root image calculation area of flame, and according to described area of flame and instituteState the flame grade that the area of flame grade table of comparisons determines that described area of flame is corresponding;
Wireless network card, is connected with described primary processor and described image analysis equipment respectively, by wirelessCommunication network is set up double-direction radio data link, wireless in the time receiving described smog alarm signalSend the affiliated ionic formula cigarette of described smog alarm signal, described flame grade and described smog alarm signalThe control point that mist sensor is corresponding, in the time receiving described intrusion alarm signal, enters described in wireless transmissionInvade the affiliated pyroelectric infrared sensor pair of alarm signal, described monitoring image and described intrusion alarm signalThe control point of answering, described wireless network card mails to wireless transmission data local policing administration platform or is responsible forPeople's mobile terminal;
Wherein, also each image in corresponding relation database described in regular check of described primary processorAnalytical equipment, exists image analysis equipment not have corresponding ion type smog sensor to send smog reportAlert signal or while thering is no intrusion alarm signal that corresponding pyroelectric infrared sensor sends, described in closingThe image analysis equipment existing;
Wherein, described n ion type smog sensor and a described n pyroelectric infrared sensor are one by oneCorrespondence, is arranged in pairs in respectively n control point of target area, the prison of each image analysis equipmentControl scope covers multiple control points, and each image analysis equipment is rotatable to face different monitoringPoint;
Wherein, the image analysis equipment that described primary processor starts described correspondence comprises, is receiving cigaretteWhen mist alarm signal, start turntable, camera and image place in the image analysis equipment of described correspondenceReason device, in the time receiving intrusion alarm signal, starts the turntable in the image analysis equipment of described correspondenceAnd camera;
Described memory, described primary processor and described wireless network card are all positioned at the prison of described target areaControl indoor;
LCDs, connects image analysis equipment to receive and to show described monitoring image;
Power supply, is used to described monitoring system that supply of electric power is provided;
Described pyroelectric infrared sensor also comprises infrared probe and signal operation device, described infrared probeFor detection of the infrared light of control point, described signal operation device is connected with described infrared probe, for reallyWhether the infrared light that regular inspection measures belongs to the infrared light of the fixed wave length that human body produces.
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| CN104574614A (en) * | 2015-01-29 | 2015-04-29 | 无锡桑尼安科技有限公司 | Access control security monitoring communication processing method |
| CN110223477B (en) * | 2019-05-31 | 2021-03-23 | 广州仪速安电子科技有限公司 | Laboratory fire explosion early warning method and system |
| CN112216054A (en) * | 2020-08-28 | 2021-01-12 | 星络智能科技有限公司 | Fire event linkage method, computer equipment and readable storage medium |
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| US7991187B2 (en) * | 2007-08-29 | 2011-08-02 | Billy Hou | Intelligent image smoke/flame sensor and detection system |
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| CN202230574U (en) * | 2011-05-23 | 2012-05-23 | 张吉滕 | Omnibearing household security monitoring system |
| CN103631212A (en) * | 2012-08-30 | 2014-03-12 | 成都思茂科技有限公司 | Warehouse remote monitoring system based on single-chip microcomputer |
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Effective date of registration: 20160811 Address after: 214423, No. 118 West Harbour Road, Zhouzhuang Town, Wuxi, Jiangsu, Jiangyin Patentee after: Chen Sisi Address before: 214423, No. 113 West Harbour Road, Zhouzhuang Town, Wuxi, Jiangsu, Jiangyin Patentee before: Jiangyin Electrical Alloy Co., Ltd. |
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