CN105022096A - Perimeter monitoring method based on optical fiber interference - Google Patents
Perimeter monitoring method based on optical fiber interference Download PDFInfo
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- CN105022096A CN105022096A CN201510391664.XA CN201510391664A CN105022096A CN 105022096 A CN105022096 A CN 105022096A CN 201510391664 A CN201510391664 A CN 201510391664A CN 105022096 A CN105022096 A CN 105022096A
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Abstract
The invention discloses a perimeter monitoring method based on optical fiber interference, and the method comprises a security and protection region. The interior of the security and protection region is provided with a high-sensitivity distributed optical fiber vibration sensor and a video monitoring part. The high-sensitivity distributed optical fiber vibration sensor is connected with an optical cable end box, and the optical cable end box is connected with an optical feedback box and a vibration detection unit. The vibration detection unit is connected with a photoelectric signal collector, and the photoelectric signal collector is connected with a photoelectric signal conversion processor. The video monitoring part is connected with an image storage unit, and the image storage unit and the photoelectric signal conversion processor are connected with a CPU chip analysis and judgment processor. The CPU chip analysis and judgment processor is connected with a CPU control unit, and the CPU control unit is connected with monitoring management terminal display equipment and an alarm. The method effectively solves a problem of external vibration interference, and can get ready to display the position of an alarm point during vibration alarm.
Description
Technical field
The present invention relates to Fibre Optical Sensor and circumference technical field of security and protection, particularly a kind of circumference monitoring method based on fiber optic interferometric.
Background technology
Along with socioeconomic fast development, the security requirement of people to life and environment is more and more higher, and in civilian, relate in particular to the aspect of property and life security, people wish the generation predicting disaster in time, avoid unnecessary loss; In military and national defense, extremely high to the confidentiality requirement in military information and military base, therefore, design the high safety-protection system of a kind of accuracy and seem very necessary.
For existing safety-protection system, what at present application was more is arrange multiple video monitor at defence area circumference, realize monitoring in real time, but this facility is for large-scale security protection district, and existing can not the drawback of quick position invader position.The appearance of the distributed sensor arisen at the historic moment, people can be deployed troops on garrison duty in a big way, also warning system can be started in time, but the positioning precision of this Fibre Optical Sensor is generally tens meters of even hundreds of rice, to security protection, extremely high special occasions is required for some, this positioning precision does not still reach requirement, is unfavorable for that thing place is sent out in security protection personnel perception within the shortest time, sometimes even there will be false alarm situation.Therefore, need to provide a kind of new technical scheme to solve.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of circumference monitoring method based on fiber optic interferometric, achieve intelligent detection, the function such as intrusion alarm, waveform are checked, efficiently solve extraneous vibration interference problem, can prepare when vibrating alert to demonstrate alarm point position simultaneously.
Technical matters to be solved by this invention realizes by the following technical solutions:
A kind of circumference monitoring method based on fiber optic interferometric, it is characterized in that: it comprises security protection district, high sensitivity distributed optical fiber vibration sensor, video monitoring, light feedback box, GPZ, vibration detecting unit, photoelectric signal collection device, photoelectric signal transformation processor, video memory, cpu chip analysis decision processor, CPU control module, monitoring management terminal presentation facility, alarm, and described high sensitivity distributed optical fiber vibration sensor and video monitoring are arranged in security protection district; Described high sensitivity distributed optical fiber vibration sensor is connected with GPZ; Described GPZ is connected with light feedback box and vibration detecting unit; Described vibration detecting unit is connected with photoelectric signal collection device; Described photoelectric signal collection device is connected with photoelectric signal transformation processor; Described video monitoring is connected with video memory; Described video memory and photoelectric signal transformation processor are all analyzed decision processor with cpu chip and are connected; Described cpu chip is analyzed decision processor and is connected with CPU control module; Described CPU control module is connected with monitoring management terminal presentation facility and alarm.
As preferred embodiment, described video memory is also connected with CPU control module.
As preferred embodiment, described vibration detecting unit comprises the Lights section.
As preferred embodiment, described cpu chip is analyzed decision processor and is comprised positions calculations part.
As preferred embodiment, be also provided with sound transducer in described security protection district, described sound transducer is connected with sound signal processing module, and described sound signal processing module and cpu chip are analyzed decision processor and be connected.
Further, described security protection district comprises multiple security protection region, and in each security protection region, be equipped with high sensitivity distributed optical fiber vibration sensor and video monitoring and sound transducer.
Further, described high sensitivity distributed optical fiber vibration sensor is embedded in underground shallow layer or other setting such as is installed on fence.
Further, described GPZ and light feed back and comprise light source between box and vibration detecting unit and launch and reflect two processes.
Beneficial effect of the present invention: this system takes the deployment form checked that to link with video monitoring and carrys out Intrusion prevention, be main detection means with high sensitivity distributed optical fiber vibration sensor, use advanced photoelectric signal collection process, analysis and monitoring technique, the function such as achieve intelligent detecting, intrusion alarm, waveform are checked, be a kind of without the need to power supply, energy-conserving and environment-protective, be not afraid of thunderbolt, reliability is strong; To have false alarm rate low for this system simultaneously, and can the specified place position of effective perception generation event, thus in the shortest event and video interlink, can remove critical incident in time.
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present invention;
In figure: 1-CPU chip analysis decision processor; 2-CPU control module; 3-monitoring management terminal presentation facility; 4-alarm; 5-security protection district; 51-high sensitivity distributed optical fiber vibration sensor; 52-video monitoring; 53-sound transducer; 6-light feedback box; 7-GPZ; 8-vibration detecting unit; 9-photoelectric signal collection device; 10-photoelectric signal transformation processor; 11-video memory; 12-sound signal processing module.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
As shown in Figure 1, a kind of circumference monitoring method based on fiber optic interferometric, it comprises security protection district 5, high sensitivity distributed optical fiber vibration sensor 51, video monitoring 52, light feedback box 6, GPZ 7, vibration detecting unit 8, photoelectric signal collection device 9, photoelectric signal transformation processor 10, video memory 11, cpu chip analyzes decision processor 1, CPU control module 2, monitoring management terminal presentation facility 3, alarm 4, high sensitivity distributed optical fiber vibration sensor 51 and video monitoring 52 are arranged in security protection district 5, be main detection means with high sensitivity distributed optical fiber vibration sensor 51, high sensitivity distributed optical fiber vibration sensor 51 is connected with GPZ 7, GPZ 7 is connected with light feedback box 6 and vibration detecting unit 8, the light source of system vibration probe unit produces a road primary light source, through GPZ 7, output to light by transmission cable and feed back box 6, this road light enters into sensing optic cable, arrive at sensing optic cable end back reflection, vibration detecting unit is back to along former road, wherein, touching, vibration, or extruding optical cable can cause form disturb and produce light signal characteristic parameter (as amplitude, phase place, wavelength, polarization state etc.) change, vibration detecting unit 8 is connected with photoelectric signal collection device 9, photoelectric signal collection device 9 is connected with photoelectric signal transformation processor 10, video monitoring 52 is connected with video memory 11, video memory 11 and photoelectric signal transformation processor 10 are all analyzed decision processor 1 with cpu chip and are connected, cpu chip is analyzed decision processor 1 and is connected with CPU control module 2, CPU control module 2 is connected with monitoring management terminal presentation facility 3 and alarm 4, vibration detecting unit 8 obtains the change of light signal characteristic parameter, gathered by photoelectric signal collection device 9, by photoelectric signal transformation processor 10, light signal is converted to electric signal, the relation analyzed utilizing emitted light by cpu chip analysis decision processor 1 and received between light, judge whether sensing optic cable receives vibration, determine whether send alarm signal.If judge that sensing optic cable is vibrated, just alarm signal is sent to CPU control module 2, CPU control module 2 and carries out interlink warning device 4 and other panalarm.
Security protection district 5 comprises multiple security protection region, and in each security protection region, be equipped with high sensitivity distributed optical fiber vibration sensor 51 and video monitoring 52 and sound transducer 53, improves the effect of safety-protection system.
Video memory 11 is also connected with CPU control module 2, is convenient in the shortest event and video interlink, to remove critical incident in time.
Vibration detecting unit 8 comprises the Lights section, for launching a road primary light source, is convenient to the carrying out of follow-up comparative analysis work.
Cpu chip is analyzed decision processor 1 and is comprised positions calculations part, accurately can locate the specified place position of thing of setting out, improve the safety coefficient of safety-protection system.
Sound transducer 53 is also provided with in security protection district 5; sound transducer 53 is connected with sound signal processing module 12; sound signal processing module 12 and cpu chip are analyzed decision processor 1 and are connected; the security protection efficiency of further raising safety-protection system; the specified place position of effective perception generation event further; thus in the shortest event and video interlink, critical incident can be removed in time.
High sensitivity distributed optical fiber vibration sensor 51 is embedded in underground shallow layer or other setting such as is installed on fence, is convenient to monitoring and protection.
GPZ 7 and light feed back and comprise light source between box 6 and vibration detecting unit 8 and launch and reflect two processes, are convenient to analysis and the contrast of a road primary light source and disturbed light source.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. the circumference monitoring method based on fiber optic interferometric, it is characterized in that: it comprises security protection district, high sensitivity distributed optical fiber vibration sensor, video monitoring, light feedback box, GPZ, vibration detecting unit, photoelectric signal collection device, photoelectric signal transformation processor, video memory, cpu chip analysis decision processor, CPU control module, monitoring management terminal presentation facility, alarm, and described high sensitivity distributed optical fiber vibration sensor and video monitoring are arranged in security protection district; Described high sensitivity distributed optical fiber vibration sensor is connected with GPZ; Described GPZ is connected with light feedback box and vibration detecting unit; Described vibration detecting unit is connected with photoelectric signal collection device; Described photoelectric signal collection device is connected with photoelectric signal transformation processor; Described video monitoring is connected with video memory; Described video memory and photoelectric signal transformation processor are all analyzed decision processor with cpu chip and are connected; Described cpu chip is analyzed decision processor and is connected with CPU control module; Described CPU control module is connected with monitoring management terminal presentation facility and alarm.
2. a kind of circumference monitoring method based on fiber optic interferometric according to claim 1, is characterized in that: described video memory is also connected with CPU control module.
3. a kind of circumference monitoring method based on fiber optic interferometric according to claim 1, is characterized in that: described vibration detecting unit comprises the Lights section.
4. a kind of circumference monitoring method based on fiber optic interferometric according to claim 1, is characterized in that: described cpu chip is analyzed decision processor and comprised positions calculations part.
5. a kind of circumference monitoring method based on fiber optic interferometric according to claim 1, it is characterized in that: in described security protection district, be also provided with sound transducer, described sound transducer is connected with sound signal processing module, and described sound signal processing module and cpu chip are analyzed decision processor and be connected.
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| CN201510391664.XA CN105022096A (en) | 2015-07-02 | 2015-07-02 | Perimeter monitoring method based on optical fiber interference |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106028005A (en) * | 2016-07-26 | 2016-10-12 | 四川新环佳科技发展有限公司 | Security prevention monitoring optical fiber storage region network equipment |
| CN107672625A (en) * | 2017-10-10 | 2018-02-09 | 深圳市信海通科技有限公司 | High-speed railway circumference intrusion alarm system |
| CN112134615A (en) * | 2020-09-22 | 2020-12-25 | 上海欣诺通信技术股份有限公司 | Monitoring system, method, terminal and readable storage medium based on optical fiber link |
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| CN101566497A (en) * | 2009-04-29 | 2009-10-28 | 上海华魏光纤传感技术有限公司 | Distribution-type fiber vibration sensor system based on phase detection and optical time domain reflection |
| CN202205306U (en) * | 2011-09-05 | 2012-04-25 | 上海华魏光纤传感技术有限公司 | Distributed security intrusion system based on vibration and video monitoring |
| CN102737462A (en) * | 2012-06-29 | 2012-10-17 | 天津大学 | Optical fiber distributed disturbance and video linkage long-distance circumference security monitoring system |
| CN104504830A (en) * | 2014-12-25 | 2015-04-08 | 桂林聚联科技有限公司 | Intelligent optical fiber sensing system for perimeter security guard of island |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101566497A (en) * | 2009-04-29 | 2009-10-28 | 上海华魏光纤传感技术有限公司 | Distribution-type fiber vibration sensor system based on phase detection and optical time domain reflection |
| CN202205306U (en) * | 2011-09-05 | 2012-04-25 | 上海华魏光纤传感技术有限公司 | Distributed security intrusion system based on vibration and video monitoring |
| CN102737462A (en) * | 2012-06-29 | 2012-10-17 | 天津大学 | Optical fiber distributed disturbance and video linkage long-distance circumference security monitoring system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106028005A (en) * | 2016-07-26 | 2016-10-12 | 四川新环佳科技发展有限公司 | Security prevention monitoring optical fiber storage region network equipment |
| CN107672625A (en) * | 2017-10-10 | 2018-02-09 | 深圳市信海通科技有限公司 | High-speed railway circumference intrusion alarm system |
| CN112134615A (en) * | 2020-09-22 | 2020-12-25 | 上海欣诺通信技术股份有限公司 | Monitoring system, method, terminal and readable storage medium based on optical fiber link |
| CN112134615B (en) * | 2020-09-22 | 2021-08-24 | 上海欣诺通信技术股份有限公司 | Monitoring system, method, terminal and readable storage medium based on optical fiber link |
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Application publication date: 20151104 |
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