CN204119381U - A kind of optics intruder detection system and distributed monitoring system - Google Patents
A kind of optics intruder detection system and distributed monitoring system Download PDFInfo
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- CN204119381U CN204119381U CN201420467070.3U CN201420467070U CN204119381U CN 204119381 U CN204119381 U CN 204119381U CN 201420467070 U CN201420467070 U CN 201420467070U CN 204119381 U CN204119381 U CN 204119381U
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Abstract
The utility model, in technical field of security and protection, provides a kind of optics intruder detection system and distributed monitoring system.This system is that the composite video signal gathered is carried out to waveform analysis and compared, and utilizes threshold adaptive technology, determines whether to report to the police.This system power dissipation is low, it is easy to realize, report to the police accurately, for existing Video Supervision Technique, solve the problem that digital video image process is comparatively large to hardware-dependent, rate of false alarm is higher, and hardware implementation cost is low, can realize seamless connection, highly versatile with existing supervisory control system, range of application is wider.
Description
Technical field
The utility model belongs to safety-security area, particularly relates to a kind of optics intruder detection system based on optical image acquisition and analysis and distributed monitoring system.
Background technology
Along with the enhancing of society people security protection consciousness, safety monitoring technology obtains fast development.For realizing the monitoring to specific region, conventional art generally adopts infrared warning device, ultrasonic alarm, microwave alarm, Vibration alarm device and human body sensing warning device etc.Due to the restriction of intrinsic service condition, the scope of application of said apparatus is made to have limitation.Such as, for infrared warning device, it is easy to the restriction being subject to ambient temperature and installation environment; For Vibration alarm device, it can only monitor vibration and occurs and can not judge oscillatory type, very easily causes false alarm; For microwave alarm, because microwave penetration power is comparatively strong, is easily subject to the interference of external signal and produces false alarm.
For this reason, prior art proposes the warning system judged based on digital image analysis.The digital video image in this system first acquisition monitoring region, carries out image procossing and compare of analysis by the video image of collection and original image, afterwards to judge whether image there are differences.Because this system relates to the image procossing to digital picture, whether be there are differences by recognition image and judge whether to report to the police, making this system higher to hardware-dependent degree, there is higher rate of false alarm, and software and hardware to realize cost high, be unfavorable for the universal of Video Supervision Technique and promote.
Utility model content
The purpose of this utility model is to provide a kind of intruder detection system, is intended to solve the existing warning system judged based on digital image analysis and there is the problem that rate of false alarm is higher, software and hardware realizes the higher problem of cost.
The utility model provides a kind of optics intruder detection system, and described system comprises:
The video camera of the composite video signal of Real-time Collection guarded region;
Input connects the envelope detector of the output of described video camera;
Input connects the A/D converter of the output of described envelope detector;
Input connects the synchronizing signal separator of the output of described video camera;
Input connects the output of described A/D converter and the output of described synchronizing signal separator, determines whether to need to report to the police according to the digital signal that described A/D converter obtains and sends the controller circuitry of warning message;
Input connects the alarm of the warning output of described controller circuitry.
Another object of the present utility model is to provide a kind of distributed monitoring system, and described distributed monitoring system comprises the multiple optics intruder detection system and a monitoring host computer that are arranged on control point;
Described optics intruder detection system is optics intruder detection system as above, and described monitoring host computer connects the warning output of controller circuitry described in optics intruder detection system described in each and the video output terminals of envelope detector described in optics intruder detection system described in each.
The optics intruder detection system that the utility model proposes is that the composite video signal gathered is carried out to waveform analysis and compared, and utilizes threshold adaptive technology, determines whether to report to the police.This system power dissipation is low, it is easy to realize, report to the police accurately, for existing Video Supervision Technique, solve the problem that digital video image process is comparatively large to hardware-dependent, rate of false alarm is higher, and hardware implementation cost is low, can realize seamless connection, highly versatile with existing supervisory control system, range of application is wider.
Accompanying drawing explanation
Fig. 1 is the structure chart of the optics intruder detection system that the utility model embodiment provides;
Fig. 2 is the circuit theory diagrams of envelope detector in Fig. 1;
Fig. 3 is the detailed circuit diagram of Fig. 1;
Fig. 4 is the circuit diagram of synchronizing signal separator in Fig. 1;
Fig. 5 is the circuit diagram of A/D converter in Fig. 1, controller circuitry, alarm.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In order to solve prior art Problems existing, the optics intruder detection system that the utility model proposes is that the composite video signal gathered is carried out to waveform analysis and compared, and utilizes threshold adaptive technology, determines whether to report to the police.
Fig. 1 is the structure chart of the optics intruder detection system that the utility model embodiment provides.
This optics intruder detection system comprises: the video camera 1 of the composite video signal of Real-time Collection guarded region; Input connects the envelope detector 2 of the output of video camera 1, envelope detector 2 is for carrying out envelope detection process to the composite video signal of video acquisition module 1 Real-time Collection, obtain envelope signal, and extract the analog signal of multiple state point on envelope signal; Input connects the A/D converter 3 of the output of envelope detector 2, and A/D converter 3 is converted to digital signal for the analog signal extracted by envelope detector 2; Input connects the synchronizing signal separator 4 of the output of video camera 1, for extracting pulse synchronous signal in the composite video signal from video acquisition module 1 Real-time Collection; Input connects the controller circuitry 5 of the output of A/D converter 3 and the output of synchronizing signal separator 4, and controller circuitry 5, for taking pulse synchronous signal as clock signal, determines whether to need to report to the police according to the digital signal that A/D converter 3 obtains; The alarm 6 of the output of input connection control device circuit 5, alarm 6 needs to send warning message when reporting to the police for determining at controller circuitry 5.Wherein, envelope detector 2 also connects the monitoring host computer of rear end by its video output terminals, controller circuitry 5 also connects the monitoring host computer of rear end by its warning output, the video image of corresponding guarded region is exported by monitoring host computer, and when warning output sends warning message, complete response.
Wherein, as shown in Figure 2, envelope detector 2 can comprise: first penetrates with circuit 311, signal amplification circuit 312, first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the first resistance R1, the second resistance R2, the 3rd resistance R3, inductance L 1.First input penetrated with circuit 311 connects the output of video camera 1 by the first electric capacity C1, first input penetrated with circuit 311 connects+12V direct current by the first resistance R1, first penetrates input with circuit 311 by the second resistance R2 ground connection, first output penetrated with circuit 311 sequentially passes through the input of inductance L 1, the 3rd electric capacity C3, the 3rd electric capacity R3 connection signal amplifying circuit 312, and one end that inductance L 1 is connected with the 3rd electric capacity C3 is simultaneously by the second electric capacity C2 ground connection; The output of signal amplification circuit 312 connects the input of A/D converter 3.Wherein, first to penetrate with circuit 311 for amplified current to improve load capacity, and signal amplification circuit 312 amplifies for realizing signal.
Further, envelope detector 2 also can comprise: second penetrates with circuit 313, and the second input penetrated with circuit 313 connects the output of video camera 1, and the second output penetrated with circuit 313 connects monitoring host computer.Utilize be connected with monitoring host computer second penetrate with circuit 313, the real-time video monitoring to guarded region can be realized.
Further, as shown in Figure 3, first penetrate and can comprise with circuit 311: the first operational amplifier A 1 and the 4th electric capacity C4.Wherein, the in-phase input end of the first operational amplifier A 1+penetrate input with circuit 311 as first, the inverting input of the first operational amplifier A 1 connects the output of the first operational amplifier A 1 and the first end of the 4th electric capacity C4, and second end of the 4th electric capacity C4 penetrates the output with circuit 311 as first.
Further, as shown in Figure 3, signal amplification circuit 312 can comprise: the second operational amplifier A 2, the 5th electric capacity C5, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6.The inverting input of the second operational amplifier A 2-as the input of signal amplification circuit 312, and be connected the output of the second operational amplifier A 2 with the 6th resistance R6 by the 5th electric capacity C5 parallel with one another, the in-phase input end of the second operational amplifier A 2+connect+12V direct current by the 4th resistance R4, and by the 5th resistance R5 ground connection; The output of the second operational amplifier A 2 is as the output of signal amplification circuit 312.
Further, as shown in Figure 3, second penetrate and can comprise with circuit 313: the 3rd operational amplifier A 3, the 6th electric capacity C6 and the 7th electric capacity C7.Wherein, the first end of in-phase input end+connection the 6th electric capacity C6 of the 3rd operational amplifier A 3, second end of the 6th electric capacity C6 penetrates the input with circuit 313 as second; The output of inverting input-connection the 3rd operational amplifier A 3 of the 3rd operational amplifier A 3 and the first end of the 7th electric capacity C7, second end of the 7th electric capacity C7 penetrates the output with circuit 313 as second.
Wherein, as shown in Figure 4, synchronizing signal separator 4 can comprise: model is Sync Separator Chip U1, the 8th electric capacity C8 of LM1881.Wherein, the composite video input pin CVBS of Sync Separator Chip U1 connects the first end of the 8th electric capacity C8, second end of the 8th electric capacity C8 as synchronizing signal separator 4 input and connect video camera 1; The field sync signal output pin VSYNC of Sync Separator Chip U1 is as the output of synchronizing signal separator 4 and connection control device circuit 5.
Wherein, as shown in Figure 5, A/D converter 3 can comprise: model is the A/D converter chip U2 of ADC0809.The one analog quantity timesharing input pin IN-3 of A/D converter chip U2 is as the input of A/D converter 3, and eight data output pins Msb2-1 ~ 2-8 of A/D converter chip U2 are as the output of A/D converter chip U2 and connection control device circuit 5.
Wherein, as shown in Figure 5, controller circuitry 5 can comprise: the binary counter chip U6 that the memory chip U5 that the latch chip U4 that the singlechip chip U3 that model is 8051, model are 74HC573, model are 6264, model are MM54HC393.First group of parallel input/output port P10 ~ P17 of singlechip chip U3 connects the output of A/D converter 3, an interrupt requests pin INT0 of singlechip chip U3 connects the output of synchronizing signal separator 4, second group of parallel input/output port P00 ~ P07 correspondence of singlechip chip U3 connects eight data-out pin 1D ~ 8D of latch chip U4, and eight of memory chip U5 data pin D0 ~ D7, five address pin A8 ~ A12 of the 3rd group of parallel input/output port P20 ~ P27 corresponding connected storage chip U5 and the sheet of memory chip U5 of singlechip chip U3 select pin
eight address pin A0 ~ A7 of eight data output pins 1Q ~ 8Q corresponding connected storage chip U5 of latch chip U4, a counting output pin QA of binary counter chip U6 connects the clock pins CLOCK of singlechip chip U3, the latch enable input pin C of EPROM programming pulse pin ALE/P and latch chip U4 in the address latch permission/sheet of the clock input pin CKA connection singlechip chip U3 of binary counter chip U6.
Further, controller circuitry 5 also can comprise: connection singlechip chip U3, model are the driving chip U7 of MAX232CPE, and connect the RS232 interface J1 of driving chip U7, DB9 encapsulation, thus achieve interface expansion, systematic difference field is widened.
Wherein, as shown in Figure 5, alarm 6 can comprise: the triode Q1 of the 7th resistance R12, positive-negative-positive, relay J and the executive component for sending prompt messages.Wherein, the base stage of triode Q1 connects the data receiver pin RXD of singlechip chip U3 by the 7th resistance R12, the emitter of triode Q1 connects+5V direct current, one end of the collector connection relay J coil K-1 of triode Q1, the other end ground connection of coil K-1, the two ends of relay J breaker in middle K connect executive component.Executive component wherein can be buzzer, LED etc.Wherein, the data receiver pin RXD of singlechip chip U3 is the warning output of controller circuitry 5.
The utility model embodiment still provides a kind of distributed monitoring system.This distributed monitoring system comprises the multiple optics intruder detection system and a monitoring host computer that are arranged on control point.Each control point can arrange one or more optics intruder detection system, and the optics intruder detection system of this optics intruder detection system specifically as described in embodiment two, does not repeat.
Wherein, monitoring host computer connects warning output and the video output terminals of alarm analysis module in each optics intruder detection system, monitoring host computer for exporting the video image of corresponding guarded region, and when alarm analysis module sends warning message by warning output, completes response.
The optics intruder detection system that the utility model proposes is that the composite video signal gathered is carried out to waveform analysis and compared, and utilizes threshold adaptive technology, determines whether to report to the police.This system power dissipation is low, it is easy to realize, report to the police accurately, for existing Video Supervision Technique, solve the problem that digital video image process is comparatively large to hardware-dependent, rate of false alarm is higher, and hardware implementation cost is low, can realize seamless connection, highly versatile with existing supervisory control system, range of application is wider.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. an optics intruder detection system, is characterized in that, described system comprises:
The video camera of the composite video signal of Real-time Collection guarded region;
Input connects the envelope detector of the output of described video camera;
Input connects the A/D converter of the output of described envelope detector;
Input connects the synchronizing signal separator of the output of described video camera;
Input connects the output of described A/D converter and the output of described synchronizing signal separator, determines whether to need to report to the police according to the digital signal that described A/D converter obtains and sends the controller circuitry of warning message;
Input connects the alarm of the warning output of described controller circuitry.
2. optics intruder detection system as claimed in claim 1, it is characterized in that, described envelope detector comprises: first penetrates with circuit, signal amplification circuit, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the first resistance R1, the second resistance R2, the 3rd resistance R3, inductance L 1;
Described first input penetrated with circuit connects the output of described video camera by described first electric capacity C1, described first input penetrated with circuit connects+12V direct current by described first resistance R1, described first penetrates input with circuit by described second resistance R2 ground connection, described first output penetrated with circuit sequentially passes through described inductance L 1, 3rd electric capacity C3, 3rd electric capacity R3 connects the input of described signal amplification circuit, and one end that described inductance L 1 is connected with described 3rd electric capacity C3 is simultaneously by described second electric capacity C2 ground connection, the output of described signal amplification circuit connects the input of described A/D converter.
3. optics intruder detection system as claimed in claim 2, is characterized in that, described first penetrates and comprise with circuit: the first operational amplifier A 1 and the 4th electric capacity C4;
The in-phase input end of described first operational amplifier A 1 penetrates the input with circuit as described first, the inverting input of described first operational amplifier A 1 connects the output of described first operational amplifier A 1 and the first end of described 4th electric capacity C4, and second end of described 4th electric capacity C4 penetrates the output with circuit as described first.
4. optics intruder detection system as claimed in claim 3, it is characterized in that, described signal amplification circuit comprises: the second operational amplifier A 2, the 5th electric capacity C5, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6;
The inverting input of described second operational amplifier A 2 is as the input of described signal amplification circuit, and be connected the output of described second operational amplifier A 2 with described 6th resistance R6 by described 5th electric capacity C5 parallel with one another, the in-phase input end of described second operational amplifier A 2 connects+12V direct current by described 4th resistance R4, and by described 5th resistance R5 ground connection, the output of described second operational amplifier A 2 is as the output of described signal amplification circuit.
5. optics intruder detection system as claimed in claim 4, it is characterized in that, described envelope detector also comprises: second penetrates with circuit, and the described second input penetrated with circuit connects the output of described video camera, and the described second output penetrated with circuit connects monitoring host computer.
6. optics intruder detection system as claimed in claim 5, is characterized in that, described second penetrates and comprise with circuit: the 3rd operational amplifier A 3, the 6th electric capacity C6 and the 7th electric capacity C7;
The in-phase input end of described 3rd operational amplifier A 3 connects the first end of described 6th electric capacity C6, second end of described 6th electric capacity C6 penetrates the input with circuit as described second, the inverting input of described 3rd operational amplifier A 3 connects the output of described 3rd operational amplifier A 3 and the first end of described 7th electric capacity C7, and second end of described 7th electric capacity C7 penetrates the output with circuit as described second.
7. optics intruder detection system as claimed in claim 6, it is characterized in that, described synchronizing signal separator comprises: model is Sync Separator Chip U1, the 8th electric capacity C8 of LM1881;
The composite video input pin of described Sync Separator Chip U1 connects the first end of described 8th electric capacity C8, second end of described 8th electric capacity C8 as described synchronizing signal separator input and connect described video camera, the field sync signal output pin of described Sync Separator Chip as described synchronizing signal separator output and connect described controller circuitry.
8. optics intruder detection system as claimed in claim 7, it is characterized in that, described A/D converter comprises: model is the A/D converter chip of ADC0809;
The one analog quantity timesharing input pin of described A/D converter chip U2 as the input of described A/D converter, eight data output pins of described A/D converter chip U2 as described A/D converter output and connect described controller circuitry.
9. optics intruder detection system as claimed in claim 8, it is characterized in that, described controller circuitry comprises: the binary counter chip U6 that the memory chip U5 that the latch chip U4 that the singlechip chip U3 that model is 8051, model are 74HC573, model are 6264, model are MM54HC393;
First group of parallel input/output port of described singlechip chip U3 connects the output of described A/D converter, an interrupt requests pin of described singlechip chip U3 connects the output of described synchronizing signal separator, second group of parallel input/output port correspondence of described singlechip chip U3 connects eight data-out pin of described latch chip U4, and eight data pin of described memory chip U5, the 3rd group of parallel input/output port correspondence of described singlechip chip U3 connects five address pin of described memory chip and the sheet of described memory chip U5 selects pin, eight data output pins correspondences of described latch chip U4 connect eight address pin of described memory chip U5, a counting output pin of described binary counter chip U6 connects the clock pins of described singlechip chip U3, EPROM programming pulse pin in address latch permission/sheet that the clock input pin of described binary counter chip U6 connects described singlechip chip U3, and the latch enable input pin of described latch chip U4,
Described alarm comprises: the triode Q1 of the 7th resistance R12, positive-negative-positive, relay J and the executive component for sending prompt messages; The base stage of described triode Q1 connects the data receiver pin of described singlechip chip U3 by described 7th resistance R12, the emitter of described triode Q1 connects+5V direct current, the collector electrode of described triode Q1 connects one end of described relay J coil, the other end ground connection of described coil, the two ends of described relay J breaker in middle connect described executive component.
10. a distributed monitoring system, is characterized in that, described distributed monitoring system comprises the multiple optics intruder detection system and a monitoring host computer that are arranged on control point;
Described optics intruder detection system is the optics intruder detection system as described in any one of claim 1 to 9, and described monitoring host computer connects the warning output of controller circuitry described in optics intruder detection system described in each and the video output terminals of envelope detector described in optics intruder detection system described in each.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467070.3U CN204119381U (en) | 2014-08-18 | 2014-08-18 | A kind of optics intruder detection system and distributed monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420467070.3U CN204119381U (en) | 2014-08-18 | 2014-08-18 | A kind of optics intruder detection system and distributed monitoring system |
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| CN204119381U true CN204119381U (en) | 2015-01-21 |
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| CN201420467070.3U Expired - Fee Related CN204119381U (en) | 2014-08-18 | 2014-08-18 | A kind of optics intruder detection system and distributed monitoring system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20190818 |
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| CF01 | Termination of patent right due to non-payment of annual fee |