CN105869327A - Optical fiber vibration detection system and invasion detection method thereof - Google Patents
Optical fiber vibration detection system and invasion detection method thereof Download PDFInfo
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- CN105869327A CN105869327A CN201610248627.8A CN201610248627A CN105869327A CN 105869327 A CN105869327 A CN 105869327A CN 201610248627 A CN201610248627 A CN 201610248627A CN 105869327 A CN105869327 A CN 105869327A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
- G08B13/122—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence
- G08B13/124—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence with the breaking or disturbance being optically detected, e.g. optical fibers in the perimeter fence
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Abstract
The invention relates to an optical fiber vibration detection system which comprises a sensing optical cable, a vibration sensing unit and an alarm mainframe, wherein a returning optical fiber is arranged in the sensing optical cable; the vibration sensing unit comprises a laser output unit connected with the sensing optical cable, a laser input unit and a central processing unit loaded with a neutral network algorithm; and the central processing unit is used for controlling the laser output unit and the laser input unit; the alarm mainframe is provided with a slot module for embedding the vibration sensing unit, and the slot module is provided with an indicator lamp module. The invention further provides a method for optical fiber vibration intrusion detection. The multi-defense area optical fiber vibration detection system which works independently and is controlled uniformly is provided, each defense area in the system works independently, the damage to one defense area does not affect normal work of other defense areas, and the problem that the system maintenance difficulty is high when multiple defense areas formed by defense area stacking are damaged is solved.
Description
Technical field:
The invention belongs to fiber-optic probe field, relate to a kind of fiber-optic vibration detection system and the method for detection invasion thereof.
Background technology:
Fiber optic intrusion detection system integrates optical communication technique, sensing measurement technology, Realtime Alerts technology, it it is a kind of vibration sensing system measuring advanced technology, there is in real time measurements, detectivity height, wide dynamic range, the anti-electromagnetic interference capability feature such as by force, it is widely used in places such as national defence boundary line, petroleum gas transmission channel, airport, nuclear power stations, also by the very big concern of domestic and international researcher.
Fiber optic intrusion detection system is complicated and changeable due to its working environment, often need to be divided into multiple defence area to perform intrusion detection, the range size in each defence area is the most different, the defence area quantity of each circumference is the most different, this gives user when actual deployment fiber optic intrusion detection system, bring a lot of inconvenience: one, if using the product of fixing defence area quantity, owing to part defence area is idle and cause unnecessary waste；Its two, if using the equipment in single defence area or double defence area to carry out the method that stacking constitutes many defence areas, it will use too much data connecting line and power line, and take bigger space, add difficulty and the labor intensity of system maintenance.
Summary of the invention:
The invention aims to solve the deficiencies in the prior art, it is provided that one economizes on resources, easy to operate a kind of fiber-optic vibration detection system, and its technical scheme is as follows:
A kind of fiber-optic vibration detection system, it is characterised in that: include
Sensing optic cable, is provided with return optical fiber in sensing optic cable；
Vibrating sensing unit, including the laser output unit being connected with sensing optic cable and laser input block and the CPU being loaded with neural network algorithm, described CPU is used for controlling laser output unit and laser input block；
Alarm host machine, is provided with the socket module of plant vibrating sensing unit, and socket module is provided with indicating lamp module.
Further, described laser output unit includes for the laser instrument of laser output and for starting laser instrument and monitoring the laser driver of laser works state；Described laser driver is connected with CPU；
Described laser driver receives the parameter signal that CPU is pre-set, drives the laser of laser instrument output rated power according to parameter signal, and laser driver is monitored the duty of laser instrument simultaneously, and status signal is fed back to CPU.
Further, described laser input block includes for being converted into the photoelectric conversion module of the signal of telecommunication by returning the light that optical fiber returns, and described photoelectric conversion module monitors the integrity of light path in sensing optic cable simultaneously.
Further, described socket module includes that multiple slot position, each slot position can be inserted into a vibrating sensing unit, and adjacent slots is connected by usb bus between position.
Further, described indicating lamp module is provided with display lamp group, one group of corresponding vibrating sensing unit of display lamp group is arranged, and includes disconnected fine display lamp and the alarm lamp of display alarm state of the disconnected fine state of the working station indicator for showing vibrating sensing unit, display in one group of display lamp group.
Further, described alarm lamp includes intrusion alarm state, dismantling-proof alarming state and fault-alarming state.
Further, 1X2 splitter, 2X1 bonder and pickup arm one and pickup arm two it are additionally provided with in described sensing optic cable；In laser is injected into sensing optic cable, through 1X2 splitter, light being divided into two bundles, respectively by pickup arm one and pickup arm two, then interfere through the coupling of 2X1 bonder, the light after interference returns to vibrating sensing unit by returning optical fiber.
Further, said system also includes that monitoring host computer, monitoring host computer are connected with alarm host machine network, and alarm host machine transfers data to monitoring host computer storage, and can be configured the parameter of CPU at monitoring host computer end.
The method that the present invention provides the detection invasion of a kind of fiber-optic vibration always according to above-mentioned fiber-optic vibration detection system, it is characterised in that: include step
Sensing optic cable is disposed according to defence area demand；
Insert the vibrating sensing unit of requirement in slot position according to defence area demand；
The vibrating sensing unit arranged is carried out intrusion event identification neural network algorithm simulation learning；
By the vibrating sensing cell translation after simulation learning to duty.
Further, can be adjusted the running parameter of vibrating sensing unit arranging before being simulated study.
Compared with prior art, beneficial effects of the present invention:
1, the invention provides a kind of many defence areas fiber-optic vibration detection system working independently, being uniformly controlled, each defence area in system works alone, the damage in one defence area does not affect the normal work in other defence area, optimizes the problem that when the many defence areas being made up of defence area stacking are damaged, system maintenance difficulty is big；
2, the quantity that the present invention utilizes the grafting of vibrating sensing unit to control defence area substituted for the product of fixing defence area quantity, it is to avoid the phenomenon of defence area waste, has saved anti-area resource；
3, the present invention utilizes neural network algorithm, and neural network algorithm was identified before entering duty study, greatly reduces the rate of false alarm of system, improves the system accuracy to event discrimination.
Accompanying drawing illustrates:
Fig. 1 is the schematic diagram of fiber-optic vibration detection system；
Fig. 2 is sensing optic cable and the schematic diagram of vibrating sensing unit.
Detailed description of the invention:
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
As depicted in figs. 1 and 2, a kind of fiber-optic vibration detection system, including: sensing optic cable 100, vibrating sensing unit 200, alarm host machine 300 and monitoring host computer 400.
Return optical fiber 110,1X2 splitter 120,2X1 bonder 130 and pickup arm 1 and pickup arm 2 150 it is provided with in sensing optic cable 100；Laser first passes through 1X2 splitter in sensing optic cable 100 and laser is divided into the two-beam of equalization, two-beam transmits respectively through pickup arm 1 and pickup arm 2 150, interfering by 2X1 bonder 130 coupling, two-beam returns output by return optical fiber 110 after interfering.
Vibrating sensing unit 200 includes the laser output unit 210 being connected with sensing optic cable 100 and laser input block 220 and is loaded with the CPU 230 of neural network algorithm, and CPU 230 is used for controlling laser output unit 210 and laser input block 220.
Wherein, laser output unit 210 includes the laser instrument 211 for laser output and laser driver 212, and laser driver 212 is used for starting laser instrument 211, is simultaneously used for monitoring laser instrument 211 duty；Laser driver 212 receives the parameter signal that CPU 230 is pre-set, laser instrument 211 is driven to export the laser of rated power according to parameter signal, laser driver 212 monitors the duty of laser instrument 211 simultaneously, and status signal feeds back to CPU 230.
Laser input block 220 includes photoelectric conversion module 221, photoelectric conversion module 221 is connected with returning optical fiber 110, for the light that return optical fiber 110 returns is converted into the signal of telecommunication, the integrity of light path in photoelectric conversion module 221 also monitors sensing optic cable 100 simultaneously, disconnected fine possibility whether is had in judging sensing optic cable 100, and the signal of telecommunication is sent to CPU 230, the signal of telecommunication is analyzed judging by CPU 230 by neural network algorithm.
Alarm host machine 300 includes for fixing base plate, mother matrix is disposed on base plate, motherboard is provided with the socket module 310 of plant vibrating sensing unit, and socket module 310 is provided with indicating lamp module 320, socket module 310 includes that multiple slot position, each slot position can be inserted into a vibrating sensing unit 200, adjacent slots is connected by usb bus between position, it is equipped with monitoring host computer 400 outside usb bus, in monitoring host computer 400 input instruction, each vibrating sensing unit 200 can be manipulated by usb bus.
Indicating lamp module 320 is provided with display lamp group, one group of corresponding vibrating sensing unit 200 of display lamp group is arranged, and includes disconnected fine display lamp and the alarm lamp of display alarm state of the disconnected fine state of the working station indicator for showing vibrating sensing unit 200, display in one group of display lamp group.Alarm lamp includes intrusion alarm state, dismantling-proof alarming state and fault-alarming state, and alarm lamp changes according to the difference of type of alarm.The present invention, the most simultaneously equipped with audible alarm, can strengthen instruction of reporting to the police.
It can also be multiple devices that monitoring host computer 400 can be one, monitoring host computer 400 can be set up by the form of wireless network or cable network with alarm host machine 300 and be connected, the event reported to the police is passed through network delivery to monitoring host computer 400 by alarm host machine 300, monitoring host computer 400 stores the information of All Alerts event, including the type of alert event, the defence area at alert event place, the time etc. of warning.
Above-mentioned invention provides a kind of many defence areas fiber-optic vibration detection system working independently, being uniformly controlled, each defence area in system works alone, the damage in one defence area does not affect the normal work in other defence area, optimizes the problem that when the many defence areas being made up of defence area stacking are damaged, system maintenance difficulty is big；The grafting simultaneously utilizing vibrating sensing unit controls the quantity in defence area and substituted for the product of fixing defence area quantity, it is to avoid the phenomenon of defence area waste, has saved anti-area resource.
The method that the present invention provides the detection invasion of a kind of fiber-optic vibration always according to above-mentioned fiber-optic vibration detection system, specifically comprises the following steps that
Step one: dispose sensing optic cable according to defence area demand；
Step 2: at the vibrating sensing unit of slot position insertion requirement and switch on power according to defence area demand；
Step 3: be adjusted arranging to the running parameter of vibrating sensing unit；
Step 4: the vibrating sensing unit arranged is carried out intrusion event identification neural network algorithm simulation learning；
Step 5: by the vibrating sensing cell translation after simulation learning to duty.
The present invention utilizes neural network algorithm, and neural network algorithm was identified before entering duty study, greatly reduces the rate of false alarm of system, improves the system accuracy to event discrimination.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Claims (10)
1. a fiber-optic vibration detection system, it is characterised in that: include
Sensing optic cable, is provided with return optical fiber in sensing optic cable；
Vibrating sensing unit, including the laser output unit being connected with sensing optic cable and laser input block and the CPU being loaded with neural network algorithm, described CPU is used for controlling laser output unit and laser input block；
Alarm host machine, is provided with the socket module of plant vibrating sensing unit, and socket module is provided with indicating lamp module.
A kind of fiber-optic vibration detection system the most according to claim 1, it is characterised in that: described laser output unit includes for the laser instrument of laser output and for starting laser instrument and monitoring the laser driver of laser works state；Described laser driver is connected with CPU；
Described laser driver receives the parameter signal that CPU is pre-set, drives the laser of laser instrument output rated power according to parameter signal, and laser driver is monitored the duty of laser instrument simultaneously, and status signal is fed back to CPU.
A kind of fiber-optic vibration detection system the most according to claim 1, it is characterized in that: described laser input block includes for being converted into the photoelectric conversion module of the signal of telecommunication by returning the light that optical fiber returns, described photoelectric conversion module monitors the integrity of light path in sensing optic cable simultaneously.
A kind of fiber-optic vibration detection system the most according to claim 1, it is characterised in that: described socket module includes that multiple slot position, each slot position can be inserted into a vibrating sensing unit, and adjacent slots is connected by usb bus between position.
A kind of fiber-optic vibration detection system the most according to claim 1, it is characterized in that: described indicating lamp module is provided with display lamp group, one group of corresponding vibrating sensing unit of display lamp group is arranged, and includes disconnected fine display lamp and the alarm lamp of display alarm state of the disconnected fine state of the working station indicator for showing vibrating sensing unit, display in one group of display lamp group.
A kind of fiber-optic vibration detection system the most according to claim 5, it is characterised in that: described alarm lamp includes intrusion alarm state, dismantling-proof alarming state and fault-alarming state.
A kind of fiber-optic vibration detection system the most according to claim 1, it is characterised in that: it is additionally provided with 1X2 splitter, 2X1 bonder and pickup arm one and pickup arm two in described sensing optic cable；
In laser is injected into sensing optic cable, through 1X2 splitter, light being divided into two bundles, respectively by pickup arm one and pickup arm two, then interfere through the coupling of 2X1 bonder, the light after interference returns to vibrating sensing unit by returning optical fiber.
A kind of fiber-optic vibration detection system the most according to claim 1, it is characterized in that: described fiber-optic vibration detection system also includes monitoring host computer, monitoring host computer is connected with alarm host machine network, alarm host machine transfers data to monitoring host computer storage, and can be configured the parameter of CPU at monitoring host computer end.
9. the method detecting invasion according to the fiber-optic vibration of a kind of fiber-optic vibration detection system described in claim 1-8 any one, it is characterised in that: include step
Sensing optic cable is disposed according to defence area demand；
Insert the vibrating sensing unit of requirement in slot position according to defence area demand；
The vibrating sensing unit arranged is carried out intrusion event identification neural network algorithm simulation learning；
By the vibrating sensing cell translation after simulation learning to duty.
The method of fiber-optic vibration the most according to claim 9 detection invasion, it is characterised in that: can be adjusted the running parameter of vibrating sensing unit arranging before being simulated study.
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| CN201610248627.8A CN105869327A (en) | 2016-04-20 | 2016-04-20 | Optical fiber vibration detection system and invasion detection method thereof |
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| CN201610248627.8A CN105869327A (en) | 2016-04-20 | 2016-04-20 | Optical fiber vibration detection system and invasion detection method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109064696A (en) * | 2018-08-17 | 2018-12-21 | 成都九洲电子信息系统股份有限公司 | The optical fiber perimeter security system realized based on deep learning |
| CN110246291A (en) * | 2019-07-01 | 2019-09-17 | 丹阳市精通眼镜技术创新服务中心有限公司 | A kind of zonule laser anti-intrusion alarm glasses and preparation method thereof |
| WO2022213608A1 (en) * | 2021-04-06 | 2022-10-13 | 渝丰科技股份有限公司 | Network neural cable-based municipal buried cable breakage detection system and method |
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| CN102682542A (en) * | 2011-03-18 | 2012-09-19 | 北京京安能科技有限公司 | Plug-and-play type optic cable vibration detection alarming device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109064696A (en) * | 2018-08-17 | 2018-12-21 | 成都九洲电子信息系统股份有限公司 | The optical fiber perimeter security system realized based on deep learning |
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| WO2022213608A1 (en) * | 2021-04-06 | 2022-10-13 | 渝丰科技股份有限公司 | Network neural cable-based municipal buried cable breakage detection system and method |
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