CN104200610A - Monitoring system - Google Patents
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- CN104200610A CN104200610A CN201410505238.XA CN201410505238A CN104200610A CN 104200610 A CN104200610 A CN 104200610A CN 201410505238 A CN201410505238 A CN 201410505238A CN 104200610 A CN104200610 A CN 104200610A
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- 238000010191 image analysis Methods 0.000 claims abstract description 87
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- LXQXZNRPTYVCNG-YPZZEJLDSA-N americium-241 Chemical compound [241Am] LXQXZNRPTYVCNG-YPZZEJLDSA-N 0.000 claims description 4
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Abstract
The invention relates to a monitoring system. The monitoring system comprises n ion type smoke sensors, n pyroelectric infrared sensors, m image analysis devices and m host processors, wherein the m is less than the n; the ion type smoke sensors are in one-to-one correspondence with the pyroelectric infrared sensors; one image analysis device corresponds to a plurality of ion type smoke sensors and a plurality of pyroelectric infrared sensors; the host processors are connected with the n ion type smoke sensors, the n pyroelectric infrared sensors and the m image analysis devices respectively; on the basis of testing results that each image analysis device corresponds to the plurality of ion type smoke sensors and the plurality of pyroelectric infrared sensors, the opening and the closing of each image analysis device are controlled; through the monitoring system provided by the invention, fire hazards and inbreak conditions within a target area can be automatically detected; moreover, according to the fire hazards or the position where inbreak takes places, a nearby image analysis device can be controlled, so as to automatically rotate to the corresponding direction. Therefore, the flame grade can be analyzed and the monitoring images of inbreak can be collected.
Description
Technical field
The present invention relates to monitoring field, target area, relate in particular to a kind of supervisory system.
Background technology
Alloy plant area is due to a large amount of precious metals that use, and particularly some rare metals, expensive, therefore needs emphasis to monitor, to prevent that lawless person from entering, avoiding the loss being brought that spreads of fire, smog.
But, target area of the prior art supervisory system, cigarette, temperature or combustible gas sensor to fire hazard monitoring, all to separate layout, not centralized management, the also None-identified of flame grade when breaking out of fire to the infrared sensor of intrusion alarm, settle camera in each control point, target area simultaneously, camera start in general 24 hours, and invasion generally only occurs in 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 supervisory system, the various sensors in target area are realized to centralized management, simultaneously taking sensor as anticipation equipment, in the situation that anticipation needs camera work, just start camera to realize the identification of flame grade and the collection of intruding image.
Summary of the invention
In order to address the above problem, the invention provides a kind of supervisory system, set up the relation of the one-to-many of picture pick-up device and sensor, use rotatable camera, in the time that the preliminary judgement of sensor exists fire or invasion, just start and rotate towards the direction at sensor place and carry out image acquisition, and introducing flame grade identification equipment to determine flame grade, thereby can be in reducing energy consumption, for target area supervision department provides more valuable monitor data.
According to an aspect of the present invention, a kind of supervisory system is provided, described supervisory 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.
More specifically, in described supervisory system, described supervisory system also comprises storer, store corresponding relation database, described corresponding relation database is taking image analysis equipment as index, preserve each position of rotation of each image analysis equipment, and different rotary position corresponding different ions formula smoke transducer and different pyroelectric infrared sensor, described storer has also been stored flame upper limit gray threshold, flame lower limit gray threshold and the flame area grade table of comparisons, described flame upper limit gray threshold and described flame lower limit gray threshold are used for the flame of image and background separation, described ion type smog sensor comprises internal ionization chamber, outer ionization chamber, two radiation electrodes and radioactive source, described radioactive source is for emitting isotope americium 241 between described two radiation electrodes, for described ion type smog sensor provides negative ions, the sealing of described internal ionization chamber, outside smog cannot enter, described outer ionization chamber opening, outside smog can enter, under smogless environment, the voltage of inside and outside ionization chamber is constant, under the environment that has smog, the voltage of inside and outside ionization chamber changes, and sends smog alarm signal, described pyroelectric infrared sensor, for by detecting the infrared light that whether has the fixed wave length that human body produces, determines whether to send intrusion alarm signal, described primary processor and described storer, described n ion type smog sensor, a described n pyroelectric infrared sensor is connected respectively with a described m image analysis equipment, in the time receiving ion type smog sensor and send smog alarm signal or receive the intrusion alarm signal that pyroelectric infrared sensor sends, by inquiring about the corresponding relation database in described storer, find the image analysis equipment corresponding with ion type smog sensor or pyroelectric infrared sensor and corresponding image analysis equipment position of rotation, start the image analysis equipment of described correspondence, and the image analysis equipment position of rotation of described correspondence is sent to the image analysis equipment of described correspondence, described image analysis equipment comprises turntable, camera and image processor, in the time receiving the image analysis equipment position of rotation of described correspondence, control turntable to rotate to the image analysis equipment position of rotation of described correspondence, described camera is for the monitoring image of acquisition monitoring point, 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 storer, for by described monitoring image gray-scale value the pixel between described flame upper limit gray threshold and described flame lower limit gray threshold identify and form sungpan monkshood root image, described flame classification unit is connected respectively with described sungpan monkshood root separation of images unit and described storer, based on described sungpan monkshood root image calculation flame area, and determine according to described flame area and the described flame area grade table of comparisons flame grade that described flame area is corresponding, wireless network card, be connected respectively with described primary processor and described image analysis equipment, set up double-direction radio data link by cordless communication network, smog alarm signal described in wireless transmission in the time receiving described smog alarm signal, control point corresponding to ion type smog sensor under described flame grade and described smog alarm signal, in the time receiving described intrusion alarm signal, intrusion alarm signal described in wireless transmission, control point corresponding to pyroelectric infrared sensor under described monitoring image and described intrusion alarm signal, wireless transmission data are mail to local policing administration platform or responsible official's mobile terminal by described wireless network card, wherein, described primary processor is each image analysis equipment in corresponding relation database described in quantitative check also, in the time existing image analysis equipment not have corresponding ion type smog sensor to send smog alarm signal or there is no intrusion alarm signal that corresponding pyroelectric infrared sensor sends, close the image analysis equipment of described existence, described n ion type smog sensor and a described n pyroelectric infrared sensor are corresponding one by one, be arranged in pairs in respectively n control point of target area, the monitoring range of each image analysis equipment covers multiple control points, and each image analysis equipment is rotatable to face different control points, the image analysis equipment that described primary processor starts described correspondence comprises, in the time receiving smog alarm signal, start turntable, camera and image processor in the image analysis equipment of described correspondence, in the time receiving intrusion alarm signal, start turntable and camera in the image analysis equipment of described correspondence.
More specifically, in described supervisory system, described storer, described primary processor and described wireless network card are all positioned at the Control Room of described target area.
More specifically, in described supervisory system, also comprise LCDs, connect image analysis equipment to receive and to show described monitoring image.
More specifically, in described supervisory system, also comprise power supply, be used to described supervisory system that electric power supply is provided.
More specifically, in described supervisory system, described pyroelectric infrared sensor also comprises infrared probe and signal operation device, described infrared probe is for detection of the infrared light of control point, 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.
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 supervisory system that illustrates according to an embodiment of the present invention.
Fig. 2 is the block diagram of the image analysis equipment of the supervisory system that illustrates according to an embodiment of the present invention.
Embodiment
Below with reference to accompanying drawings the embodiment of supervisory 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, these people are by the target approach region, normal gateway of target area, but other means such as take to climb over the walls, and the time period in target approach region is also typically chosen in morning or time that other people are few.For this class monitoring objective, target area safety monitoring system mostly adopts the mode of infrared ray sensor detection alarm to complete monitoring, multiple infrared ray sensors are set in key monitoring point, in the time that the set time, section detected that someone enters, send warning message, for some target areas, can be chosen in key monitoring point multiple cameras are set, within 24 hours, carry out picture control.
When the second monitoring objective, the contingent fire in each position, target area, because security personnel can not have people to patrol to all positions, target area in 24 hours in real time, if in depopulated zone breaking out of fire, consequence is hardly imaginable.For this class monitoring objective, the mode of target area safety monitoring system meeting choice for use smoke transducer detection alarm completes monitoring, and multiple smoke transducers are set in key monitoring point, sends warning message in the time smog being detected.
But, existing target area safety monitoring system is not managed concentratedly organic polytype sensor, lack fire analysis means simultaneously, cannot judge condition of a fire size, and, for the supervisory system of 24 hours cameras, although covered target complete regional extent, cost is higher.
Supervisory system of the present invention, layout by appropriate design multiple sensors in control point, target area, for each image analysis equipment designs rotatable pattern, and corresponding multiple infrared ray sensor and multiple smoke transducer, and in the time only having corresponding infrared ray sensor or smoke transducer warning message to be detected, just start image analysis equipment and carry out fire size class analysis and the work of monitoring instruction image acquisition, reduce energy consumption, reduce construction costs, improved the intelligent level of target area safety monitoring system simultaneously.
Fig. 1 is the block diagram of the supervisory system that illustrates according to an embodiment of the present invention, described supervisory system comprises n ion type smog sensor 1, n pyroelectric infrared sensor 2, m image analysis equipment 3 and primary processor 4, m is less than n, n and m are greater than 1 natural number, ion type smog sensor 1 and pyroelectric infrared sensor 2 are corresponding one by one, corresponding multiple ion type smog sensor 1 of image analysis equipment 3 and multiple pyroelectric infrared sensor 2, described primary processor 4 and 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, with the multiple ion type smog sensors 1 based on each image analysis equipment 3 correspondence and the testing result of multiple pyroelectric infrared sensor 2, control the opening and closing of each image analysis equipment 3.
Then, the structure of supervisory system of the present invention is carried out to more specific description.
Described supervisory system also comprises storer, store corresponding relation database, described corresponding relation database is taking image analysis equipment 3 as index, the corresponding different ions formula of each position of rotation and different rotary position smoke transducer 1 and the different pyroelectric infrared sensor 2 of each image analysis equipment 3 are preserved, described storer has also been stored flame upper limit gray threshold, flame lower limit gray threshold and the flame area grade table of comparisons, and described flame upper limit gray threshold 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 ionization chamber, two radiation electrodes and radioactive source, described radioactive source is for emitting isotope americium 241 between described two radiation electrodes, 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, outside smog can enter, under smogless environment, the voltage of inside and outside ionization chamber is constant, under the environment that has smog, the voltage of inside and outside ionization chamber changes, and sends smog alarm signal.
Described pyroelectric infrared sensor 2, for by detecting the infrared light that whether has the fixed wave length that human body produces, determines whether to send intrusion alarm signal.
Described primary processor 4 and described storer, 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, in the time receiving ion type smog sensor 1 and send smog alarm signal or receive the intrusion alarm signal that pyroelectric infrared sensor 2 sends, by inquiring about the corresponding relation database in described storer, find the image analysis equipment 3 corresponding with ion type smog sensor 1 or pyroelectric infrared sensor 2 and corresponding image analysis equipment position of rotation, start the image analysis equipment 3 of described correspondence, and the image analysis equipment position of rotation of described correspondence is sent to the image analysis equipment 3 of described correspondence.
With reference to Fig. 2, described image analysis equipment 3 comprises and turns 31, camera 32 and image processor 33, in the time receiving the image analysis equipment position of rotation of described correspondence, control turntable 31 to rotate to the image analysis equipment position of rotation of described correspondence, described camera 32 is for the monitoring image of acquisition monitoring point, described image processor 33 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 31 and described storer, for by described monitoring image gray-scale value the pixel between described flame upper limit gray threshold and described flame lower limit gray threshold identify and form sungpan monkshood root image, described flame classification unit is connected respectively with described sungpan monkshood root separation of images unit and described storer, based on described sungpan monkshood root image calculation flame area, and determine according to described flame area and the described flame area grade table of comparisons flame grade that described flame area is corresponding.
Described supervisory system also comprises wireless network card, be connected respectively with described primary processor 4 and described image analysis equipment, set up double-direction radio data link by cordless communication network, smog alarm signal described in wireless transmission in the time receiving described smog alarm signal, the control point of ion type smog sensor 1 correspondence under described flame grade and described smog alarm signal, in the time receiving described intrusion alarm signal, intrusion alarm signal described in wireless transmission, the control point of pyroelectric infrared sensor 2 correspondences under described monitoring image and described intrusion alarm signal, wireless transmission data are mail to local policing administration platform or responsible official's mobile terminal by described wireless network card.
Wherein, described primary processor 4 is each image analysis equipment 3 in corresponding relation database described in quantitative check also, in the time existing image analysis equipment 3 not have corresponding ion type smog sensor 1 to send smog alarm signal or there is no intrusion alarm signal that corresponding pyroelectric infrared sensor 2 sends, close the image analysis equipment 3 of described existence.
Described n ion type smog sensor 1 and a described n pyroelectric infrared sensor 2 are corresponding one by one, be arranged in pairs in respectively n control point of target area, the monitoring range of each image analysis equipment 3 covers multiple control points, and each image analysis equipment 3 is rotatable to face different control points; The image analysis equipment 3 that described primary processor 4 starts described correspondence comprises, in the time receiving smog alarm signal, start turntable 31, camera 32 and image processor 33 in the image analysis equipment 3 of described correspondence, in the time receiving intrusion alarm signal, start turntable 31 and camera 32 in the image analysis equipment 3 of described correspondence.
Wherein, in described supervisory system, described storer, described primary processor 4 and described wireless network card are all positioned at the Control Room of described target area, described supervisory system can also comprise LCDs, connect image analysis equipment 3 to receive and to show described monitoring image, described supervisory system can also comprise power supply, be used to described supervisory system that electric power supply is provided, described pyroelectric infrared sensor 2 also comprises infrared probe and signal operation device, described infrared probe is for detection of the infrared light of control point, 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 transducer is to realize fire disasters protection by the concentration of monitoring smog, and smoke transducer is widely used in the various fields such as city security protection, target area, factory, company, school, family, villa, warehouse, resource, oil, chemical industry, gas transmission and distribution.The inner ion type smog sensor that adopts of smoke alarm, ion type smog sensor is a kind of advanced technology, and the reliable sensor of working stability is widely used in various fire protection alarm systems, and performance is much better than the fire-alarm of gas sensing resistance class.
Ion type smog sensor has radioactive source americium 241 in inside and outside ionization chamber the inside, and the positive and negative ion that ionization produces moves to positive and negative electrode separately under the effect of electric field.In normal situation, the electric current of inside and outside ionization chamber, voltage are all stable.Flee in disorder outer ionization chamber once there be smog.Disturb the proper motion of charged particle, electric current, voltage will change to some extent, destroy the balance between inside and outside ionization chamber, so ion type smog sensor can send wireless alarm signal by wireless launcher, the Receiving Host in a notice distant place, passes warning message.Tobacco pipe with ion generator fog siren 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 lead zirconate titanate system pottery, lithium tantalate, triglycine sulfate etc. are made the detecting element that is of a size of 2 × 1 mm.In each detector, pack one or two detecting element into, and two detecting elements are connected with reversed polarity, to suppress due to the interference producing that raises of self temperature.By detecting element, the infrared radiation of surveying and receiving is transformed into faint voltage signal, the field effect transistor in being contained in probe is amplified backward outer output.For the detection sensitivity that improves detector is to increase detection range, generally at a Fresnel Lenses of the front of detector installing, these lens are made with transparent plastic, upper and lower two parts of lens are respectively divided into some equal portions, make a kind of lens with special optical system, he and amplifying circuit match, and signal can be amplified more than 70 decibels, so just can measure the action of people within the scope of 20 meters.
Pyroelectric infrared sensor is structurally introduced field effect transistor, and its object has been impedance transformation.What export because thermoelectricity is first is charge signal, can not directly use, thereby need to be converted into voltage form with resistance.Therefore the N channel junction field-effect pipe of introducing should be connected into common leakage form and complete impedance transformation.Pyroelectric infrared sensor is made up of sensor measuring unit, interference filter and field effect transistor adaptation three parts.When design, high thermoelectric material should be made to certain thickness thin slice, and plate metal electrode on his two sides, then power up it is polarized, so just make pyroelectric detect unit.Have polarity owing to adding electropolarized voltage, therefore also there is positive and negative polarity in the detection unit after polarization.This sensor is serially connected two detection units that polarity is contrary, characteristic is consistent, and object is to eliminate the interference causing because of environment and Self-variation.The principle that he utilizes two contrary, equal-sized undesired signals of polarity to cancel out each other in inside is compensated sensor.For the infrared radiation that is radiated to sensor, pyroelectric sensor adds to two to survey unit upper by being arranged on after Fresnel Lenses before sensor is focused on, thereby makes sensor output voltage signal.The high thermoelectric material of manufacturing rpyroelectric infrared detection unit is a kind of wide spectrum material, and his detection wavelength coverage is 0.2-20um.For the infrared radiation of a certain wavelength coverage is had to higher sensitivity, this sensor has installed an interference filter element additional on window.This filter plate, can also be kept light, sunlight and other infrared radiation outside of the door the infrared radiation of some wavelength coverage passes through except allowing.
Adopt supervisory system of the present invention, sensor management for existing target area safety monitoring system disperses, the technical matters that camera mode of operation is not intelligent, the dissimilar sensor that detects invasion and the condition of a fire is incorporated in a supervisory system and managed concentratedly, for image recognition apparatus provides pivoting mechanism to cover more multizone, reduce number of devices, simultaneously, only start image recognition apparatus in sensor Preliminary detection to alarm condition time side and carry out fire size class analysis and monitoring instruction image acquisition, improve the intelligent degree of supervisory system, system energy consumption and expense are reduced.
Be understandable that, although the present invention discloses as above with preferred embodiment, but above-described embodiment 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 announcement to make many possible variations and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solution of the present invention,, all still belongs in the scope of technical solution of the present invention protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present invention.
Claims (6)
1. a supervisory system, it is characterized in that, described supervisory 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.
2. supervisory system as claimed in claim 1, is characterized in that, described supervisory system also comprises:
Storer, store corresponding relation database, described corresponding relation database is taking image analysis equipment as index, each position of rotation and different rotary position corresponding different ions formula smoke transducer and the different pyroelectric infrared sensor of each image analysis equipment are preserved, described storer has also been stored flame upper limit gray threshold, flame lower limit gray threshold and the flame area grade table of comparisons, and described flame upper limit gray threshold and described flame lower limit gray threshold are used for the flame of image and background separation;
Described ion type smog sensor comprises internal ionization chamber, outer ionization chamber, two radiation electrodes and radioactive source, described radioactive source is for emitting isotope americium 241 between described two radiation electrodes, for described ion type smog sensor provides negative ions, the sealing of described internal ionization chamber, outside smog cannot enter, described outer ionization chamber opening, outside smog can enter, under smogless environment, the voltage of inside and outside ionization chamber is constant, under the environment that has smog, the voltage of inside and outside ionization chamber changes, and sends smog alarm signal;
Described pyroelectric infrared sensor, for by detecting the infrared light that whether has the fixed wave length that human body produces, determines whether to send intrusion alarm signal;
Described primary processor and described storer, described n ion type smog sensor, a described n pyroelectric infrared sensor is connected respectively with a described m image analysis equipment, in the time receiving ion type smog sensor and send smog alarm signal or receive the intrusion alarm signal that pyroelectric infrared sensor sends, by inquiring about the corresponding relation database in described storer, find the image analysis equipment corresponding with ion type smog sensor or pyroelectric infrared sensor and corresponding image analysis equipment position of rotation, start the image analysis equipment of described correspondence, and the image analysis equipment position of rotation of described correspondence is sent to the image analysis equipment of described correspondence,
Described image analysis equipment comprises turntable, camera and image processor, in the time receiving the image analysis equipment position of rotation of described correspondence, control turntable to rotate to the image analysis equipment position of rotation of described correspondence, described camera is for the monitoring image of acquisition monitoring point, 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 storer, for by described monitoring image gray-scale value the pixel between described flame upper limit gray threshold and described flame lower limit gray threshold identify and form sungpan monkshood root image, described flame classification unit is connected respectively with described sungpan monkshood root separation of images unit and described storer, based on described sungpan monkshood root image calculation flame area, and determine according to described flame area and the described flame area grade table of comparisons flame grade that described flame area is corresponding,
Wireless network card, be connected respectively with described primary processor and described image analysis equipment, set up double-direction radio data link by cordless communication network, smog alarm signal described in wireless transmission in the time receiving described smog alarm signal, control point corresponding to ion type smog sensor under described flame grade and described smog alarm signal, in the time receiving described intrusion alarm signal, intrusion alarm signal described in wireless transmission, control point corresponding to pyroelectric infrared sensor under described monitoring image and described intrusion alarm signal, wireless transmission data are mail to local policing administration platform or responsible official's mobile terminal by described wireless network card,
Wherein, described primary processor is each image analysis equipment in corresponding relation database described in quantitative check also, in the time existing image analysis equipment not have corresponding ion type smog sensor to send smog alarm signal or there is no intrusion alarm signal that corresponding pyroelectric infrared sensor sends, close the image analysis equipment of described existence;
Wherein, described n ion type smog sensor and a described n pyroelectric infrared sensor are corresponding one by one, be arranged in pairs in respectively n control point of target area, the monitoring range of each image analysis equipment covers multiple control points, and each image analysis equipment is rotatable to face different control points;
Wherein, the image analysis equipment that described primary processor starts described correspondence comprises, in the time receiving smog alarm signal, start turntable, camera and image processor in the image analysis equipment of described correspondence, in the time receiving intrusion alarm signal, start turntable and camera in the image analysis equipment of described correspondence.
3. supervisory system as claimed in claim 2, is characterized in that:
Described storer, described primary processor and described wireless network card are all positioned at the Control Room of described target area.
4. supervisory system as claimed in claim 2, is characterized in that, described supervisory system also comprises:
LCDs, connects image analysis equipment to receive and to show described monitoring image.
5. supervisory system as claimed in claim 2, is characterized in that, described supervisory system also comprises:
Power supply, is used to described supervisory system that electric power supply is provided.
6. supervisory system as claimed in claim 2, is characterized in that:
Described pyroelectric infrared sensor also comprises infrared probe and signal operation device, described infrared probe is for detection of the infrared light of control point, 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.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104537811A (en) * | 2014-12-31 | 2015-04-22 | 上海青橙实业有限公司 | Intelligent alarm method and system |
| CN104713526A (en) * | 2015-04-01 | 2015-06-17 | 无锡桑尼安科技有限公司 | Method for detecting types of foreign matters on power transmission line |
| CN105957294A (en) * | 2016-07-11 | 2016-09-21 | 太原科技大学 | Intelligent fire alarm system |
| CN106448027A (en) * | 2016-12-15 | 2017-02-22 | 湖南纽思曼导航定位科技有限公司 | Intelligent security and protection device |
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