CN111311859A - Special optical fiber fence system based on sound, light and video linkage and alarm method - Google Patents
Special optical fiber fence system based on sound, light and video linkage and alarm method Download PDFInfo
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- CN111311859A CN111311859A CN202010111558.2A CN202010111558A CN111311859A CN 111311859 A CN111311859 A CN 111311859A CN 202010111558 A CN202010111558 A CN 202010111558A CN 111311859 A CN111311859 A CN 111311859A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title description 9
- 230000009545 invasion Effects 0.000 claims abstract description 64
- 230000003287 optical effect Effects 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000035945 sensitivity Effects 0.000 claims abstract description 4
- 239000000835 fiber Substances 0.000 claims description 16
- 238000012545 processing Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000000253 optical time-domain reflectometry Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses a special optical fiber fence system based on sound, light and video linkage, which relates to the technical field of perimeter security and comprises the following components: the system comprises an optical fiber fence module, a main control module, a camera shooting control module and an alarm module. The sensing optical cable of the optical fiber fence module of the system is laid on the outer wall of a building, the invasion signal is transmitted back to the optical fiber fence module, and a disturbance signal is formed after analysis and processing and is accessed to the main control module; the camera shooting control module transmits the image data back to the camera shooting control equipment for storage through a video data transmission cable, and the image invasion signal is accessed to the main control module after analysis; the main control module jointly analyzes the optical fiber fence disturbance signal and the image intrusion signal, controls the alarm device to alarm when the joint analysis judges that the optical fiber fence disturbance signal and the image intrusion signal invade, and uploads alarm information to the cloud platform module. The invention has the advantages of no need of human intervention, high sensitivity and low false alarm rate and missing alarm rate.
Description
Technical Field
The invention relates to the technical field of perimeter security and protection, in particular to a special optical fiber fence system based on sound, light and video linkage.
Background
In recent years, with the development of the optoelectronic technology, the optical fiber sensing technology has come to work, which is a novel sensing technology that uses light waves as a carrier and optical fibers as a medium to sense and transmit external measured signals. The sensing principle of the phase-sensitive optical time domain reflectometry (phi-OTDR) technology based on Rayleigh scattering is based on the phase change of transmitted light in an optical fiber, so that the technology has extremely high sensitivity, is very suitable for detecting weak vibration events, and has great potential application value in perimeter security application.
The working principle of the optical fiber fence system is as follows: when the rail receives external invasion, the optical fiber on the rail can be enabled to generate micro vibration, the vibration signal can cause the phase of the Rayleigh scattering signal of the optical fiber to change, the vibration signal can be extracted through a corresponding demodulation algorithm, meanwhile, the fence invasion behavior can be identified through some pattern recognition algorithms, and invasion alarm information is reported to an alarm management system for processing.
From practical perspective, traditional optic fibre rail early warning system can only fix a position the invasion point through optical fiber sensing, because the geographical position difference of laying the environment and all kinds of unexpected early warning trigger, lead to the false alarm rate and empty alarm rate height to live down, has increaseed the staff work degree of difficulty and work load in intangible, can't satisfy the intrusion detection requirement in current important place to can not learn the particular case of invasion point in real time. From the technical point of view, most of the sensing heads adopt common single-mode optical fibers, however, the testing effect is not satisfactory for tiny vibration signals, and the light intensity change is obvious for interference which can cause loss.
Disclosure of Invention
One of the purposes of the invention is to solve the problem of high false alarm rate and high empty alarm rate of the optical fiber fence system in the prior art.
The invention also aims to provide an alarm method based on sound, light and video linkage.
In order to achieve one of the purposes, the invention adopts the following technical scheme: a special optical fiber fence system based on sound, light and video linkage, comprising: a fiber fence module; the main control module receives disturbance information sent by the optical fiber fence module, wherein the disturbance information is a signal for carrying out disturbance positioning on an illegal invasion position after the optical fiber fence module detects the illegal invasion at the fence boundary; the main control module receives image information sent by the camera control module, and the image information is an image at the fence boundary, which is obtained by the camera control module; the main control module is used for matching and judging whether illegal invasion exists or not based on the disturbance information and the image information; and the alarm module triggers an alarm or releases the alarm after the judgment information sent by the main control module is sent to the alarm module.
In the above technical solution, the optical fiber fence module and the camera control module of the embodiment of the present invention monitor the condition of the fence boundary in real time, when the optical fiber fence module detects an illegal intrusion through physical characteristics (such as vibration), the optical fiber fence module performs disturbance positioning on the illegal intrusion, and sends disturbance information after the disturbance positioning to the main control module, the camera control module obtains a region image at the fence boundary, and performs intrusion determination on image information formed by the image, if the intrusion is determined, the image information is sent to the main control module, the main control module comprehensively determines whether the intrusion exists by combining the disturbance information and the image information, if the intrusion exists, the main control module sends alarm information to the alarm module, so that the alarm module triggers an alarm, if the intrusion does not exist, the main control module sends alarm stopping information, so that the alarm module stops alarming, at this time, if the alarm module does not have an alarm, the alarm module also does not trigger the alarm.
Further, in an embodiment of the present invention, the fiber fence module includes: and the sensing optical cable receives the vibration signal to detect illegal invasion at the boundary of the fence and sends invasion information to the optical fiber fence module.
Still further, in an embodiment of the present invention, the fiber fence module includes: the optical fiber sensor comprises a phase sensitive optical time domain reflectometer, wherein light emitted by a light source of the phase sensitive optical time domain reflectometer enters the sensing optical fiber and receives the invasion information, and the phase sensitive optical time domain reflectometer comprises: and a disturbance positioning module (generally referred to as software for disturbance positioning), wherein the disturbance positioning module performs disturbance positioning on an illegal invasion position based on the invasion information.
Further, in embodiments of the present invention, the sensing cables are laid on a fence to detect objects intruding into the fence boundary.
Furthermore, in the embodiment of the invention, the sensing optical cable is a special armored vibration-sensitive optical fiber cable.
Further, in the embodiment of the present invention, the light source of the phase-sensitive optical time domain reflectometer is a narrow linewidth laser light source.
Further, in an embodiment of the present invention, the image pickup control module includes: a camera; the camera shooting control equipment controls the camera to collect images of a plurality of areas at the boundary of the fence, then intrusion judgment is carried out on the images, and if intrusion is judged to exist, the image information formed by the images is sent to the main control module.
Further, in the embodiment of the present invention, the image is transmitted from the camera to the camera control device through a video data transmission line for saving.
Further, in an embodiment of the present invention, the video data transmission cable is a twisted pair cable or an optical fiber cable.
Further, in an embodiment of the present invention, the alarm module includes: a searchlight; a buzzer; the main control module controls the relay control module to turn on or turn off the searchlight and the buzzer to alarm or relieve the alarm.
Further, in the embodiment of the present invention, the main control module sends the alarm information to the cloud platform module while the alarm module triggers the alarm.
Furthermore, in the embodiment of the present invention, the main control module is in communication connection with the cloud platform module through a wired network or a wireless network.
The invention has the beneficial effects that:
according to the invention, firstly, through physical detection characteristics (such as vibration) of the optical fiber fence module, disturbance positioning is carried out after illegal invasion is detected, then a disturbance signal formed by the disturbance positioning is analyzed and processed and then is connected to the main control module, meanwhile, a camera control module is used for shooting and obtaining an area image of the illegal invasion position, then the image is analyzed and processed, then the image invasion signal is connected to the main control module, finally, the main control module jointly analyzes the optical fiber fence disturbance signal and the image invasion signal, and when the joint analysis judges that the invasion occurs, the alarm module is controlled to alarm. The invention has the advantages of no need of human intervention, high sensitivity and low false alarm rate and missing alarm rate.
In order to achieve the second purpose, the invention adopts the following technical scheme: an alarm method based on linkage of sound, light and video comprises the following steps:
the main control module receives disturbance information, wherein the disturbance information is a signal for carrying out disturbance positioning on an illegal invasion position after the optical fiber fence module detects the illegal invasion at the fence boundary;
the main control module receives image information, and the image information is an image at the fence boundary, which is obtained by shooting through the camera control module;
the main control module is used for matching and judging whether illegal invasion exists or not based on the disturbance information and the image information;
and the main control module sends the judgment information to the alarm module to trigger an alarm or remove the alarm.
Further, in the embodiment of the present invention, when the alarm is released, the main control module sends the alarm release information to the camera control module, the optical fiber fence module, and the alarm module, so as to trigger the camera control module and the optical fiber fence module to stop working, and trigger the alarm module to stop alarming.
Further, in the embodiment of the present invention, light emitted from the light source of the phase-sensitive optical time domain reflectometer of the optical fiber fence module enters the sensing optical cable, so that the sensing optical cable receives the vibration signal to detect illegal intrusion at the fence boundary and sends intrusion information to the mediation unit of the optical fiber fence module, and then, disturbance positioning is performed by the disturbance positioning module in the phase-sensitive optical time domain reflectometer.
Further, in the embodiment of the present invention, the camera control device in the camera control module controls the camera to collect images of a plurality of areas at the fence boundary, and then performs intrusion determination on the images, and if it is determined that there is intrusion, sends the image information formed by the images to the main control module, where the images are transmitted from the camera to the camera control device through the video data transmission line and then stored in the camera control device before performing the intrusion determination.
Further, in the embodiment of the present invention, the main control module controls the relay control module in the alarm module to turn on or off the searchlight and the buzzer for alarm or to release the alarm
Further, in the embodiment of the present invention, the main control module uploads alarm information to the cloud platform module through a wired or wireless network, and the alarm information is an alarm triggered by the alarm module.
Drawings
Fig. 1 is a flowchart of a special optical fiber fence system based on sound, light and video linkage according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. But it is obvious. To one of ordinary skill in the art, the embodiments may be practiced without limitation to these specific details. In some instances, well-known alarm methods and structures based on acoustic, optical, and video linkage are not described in detail to avoid unnecessarily obscuring the embodiments. In addition, all embodiments may be used in combination with each other.
The first embodiment is as follows:
a special optical fiber fence system based on sound, light and video linkage, as shown in FIG. 1, comprises: the system comprises an optical fiber fence module, a main control module, a camera shooting control module and an alarm module.
The main control module receives disturbance information sent by the optical fiber fence module, and the disturbance information is a signal for carrying out disturbance positioning on an illegal invasion position after the optical fiber fence module detects the illegal invasion at the fence boundary. The main control module receives image information sent by the camera control module, and the image information is an image at the fence boundary, which is obtained by the camera control module through shooting. And the main control module is used for matching and judging whether illegal intrusion exists or not based on the disturbance information and the image information. And the main control module sends the judgment information to the alarm module to trigger an alarm or release the alarm.
Specifically, the optical fiber fence module and the camera control module monitor the condition of the fence boundary in real time, when the optical fiber fence module detects illegal intrusion through physical characteristics (such as vibration), the optical fiber fence module performs disturbance positioning on the illegal intrusion and sends disturbance information after the disturbance positioning to the main control module, the camera control module acquires a region image at the fence boundary and performs intrusion judgment on image information formed by the image, if the intrusion is judged, the image information is sent to the main control module, whether the intrusion exists or not is comprehensively judged through the main control module by combining the disturbance information and the image information, if the intrusion exists, the main control module sends alarm information to the alarm module, so that the alarm module triggers an alarm, if the intrusion does not exist, the main control module sends stop alarm information, so that the alarm module stops alarming, and if the alarm module does not alarm, nor does it trigger an alarm.
Specifically, the optical fiber fence module comprises a sensing optical cable, and the sensing optical cable receives the vibration signal to detect illegal invasion at the fence boundary and sends invasion information to a mediation unit of the optical fiber fence module.
More specifically, the optical fiber fence module includes a phase-sensitive optical time domain reflectometer, light emitted by a light source of the phase-sensitive optical time domain reflectometer enters the sensing optical fiber and receives intrusion information, the phase-sensitive optical time domain reflectometer (Φ -OTDR) includes a disturbance positioning module (generally referred to as Φ -OTDR disturbance positioning software installed in the phase-sensitive optical time domain reflectometer), and the disturbance positioning module performs disturbance positioning on an illegal intrusion part based on the intrusion information.
More specifically, sensing cables are laid on the fence to detect objects intruding at the fence boundary.
More specifically, the sensing optical cable is a special optical fiber cable which is sensitive to vibration and adopts armor.
More specifically, the light source of the phase sensitive optical time domain reflectometer is a narrow linewidth laser light source.
Specifically, the imaging control module includes: the fence comprises a camera, a camera control device and a camera monitoring module (generally referred to as camera monitoring software which is installed in the camera control device), wherein the camera control device controls the camera to collect images of a plurality of areas at the boundary of the fence, then intrusion judgment is carried out on the images (intrusion judgment is carried out through the camera monitoring software), and if intrusion is judged to exist, image information formed by the images is sent to the main control module.
More specifically, the image is transmitted from the camera to the image pickup control apparatus through the video data transmission line to be saved. And the intrusion judgment is carried out on the influence after the storage.
More specifically, the video data transmission cable is a twisted pair or an optical fiber.
Specifically, the alarm module includes: the main control module is used for opening or closing the searchlight and the buzzer to alarm or relieve the alarm by controlling the relay control module.
Specifically, when the alarm module triggers an alarm, the main control module sends alarm information to the cloud platform module.
More specifically, the main control module is in communication connection with the cloud platform module through a wired network or a wireless network.
Example two:
an alarm method based on linkage of sound, light and video comprises the following steps:
the main control module receives disturbance information which is a signal for carrying out disturbance positioning on an illegal invasion position after the optical fiber fence module detects the illegal invasion at the fence boundary.
The main control module receives image information, and the image information is an image at the fence boundary, which is obtained by shooting through the camera control module.
And the main control module is used for matching and judging whether illegal intrusion exists or not based on the disturbance information and the image information.
And the main control module sends the judgment information to the alarm module to trigger an alarm or release the alarm.
Specifically, when the alarm is released, the main control module sends alarm releasing information to the camera control module, the optical fiber fence module and the alarm module, and triggers the camera control module and the optical fiber fence module to stop working, and simultaneously triggers the alarm module to stop alarming.
Specifically, light emitted by a light source of the phase-sensitive optical time domain reflector of the optical fiber fence module enters the sensing optical cable, so that the sensing optical cable receives a vibration signal to detect illegal intrusion at the fence boundary and sends intrusion information to a mediation unit of the optical fiber fence module, and then disturbance positioning is performed through a disturbance positioning module in the phase-sensitive optical time domain reflector.
Specifically, the camera control device in the camera control module controls the camera to collect images of a plurality of areas at the boundary of the fence, and then intrusion judgment is performed on the images, if intrusion is judged to exist, image information formed by the images is sent to the main control module, wherein the images are transmitted from the camera to the camera control device through the video data transmission line and then are stored, and then intrusion judgment is performed.
Specifically, the main control module controls the relay control module in the alarm module to turn on or off the searchlight and the buzzer for alarm or alarm relief
Specifically, the main control module uploads alarm information to the cloud platform module through a wired or wireless network, and the alarm information is an alarm triggered by the alarm module.
Example three:
an apparatus for an alarm based on linkage of sound, light and video, comprising:
the first receiving module is used for receiving disturbance information, wherein the disturbance information is a signal for carrying out disturbance positioning on an illegal invasion position after the optical fiber fence module detects the illegal invasion at the fence boundary;
the second receiving module is used for receiving image information, wherein the image information is an image at the fence boundary, which is obtained by shooting through the camera control module;
the judging module is used for judging whether illegal invasion exists or not based on the matching of the disturbance information and the image information;
and the sending module is used for triggering an alarm or releasing the alarm after the sent judgment information is sent to the alarm module.
Example four:
a memory for alarms based on linkage of sound, light and video, wherein the software is adapted to execute the following steps:
receiving disturbance information, wherein the disturbance information is a signal for carrying out disturbance positioning on an illegal invasion position after an optical fiber fence module detects the illegal invasion at the fence boundary;
receiving image information, wherein the image information is an image at the fence boundary, which is obtained by shooting through a camera control module;
matching and judging whether illegal invasion exists or not based on the disturbance information and the image information;
and sending the judgment information to an alarm module to trigger an alarm or release the alarm.
Example five:
a processor for an alarm based on a linkage of sound, light and video, wherein the processor is configured to execute software that performs the steps of:
receiving disturbance information, wherein the disturbance information is a signal for carrying out disturbance positioning on an illegal invasion position after an optical fiber fence module detects the illegal invasion at the fence boundary;
receiving image information, wherein the image information is an image at the fence boundary, which is obtained by shooting through a camera control module;
matching and judging whether illegal invasion exists or not based on the disturbance information and the image information;
and sending the judgment information to an alarm module to trigger an alarm or release the alarm.
Example six:
an alert device, comprising: the device comprises an optical fiber fence module, a camera shooting control module and an alarm module.
The optical fiber fence module comprises a sensing optical fiber and a phase-sensitive optical time domain reflector, and the phase-sensitive optical time domain reflector is connected with the sensing optical fiber.
The camera shooting control module comprises a camera and camera shooting control equipment, and the camera shooting control equipment is connected with the camera.
The alarm module comprises a buzzer and a relay control module, and the relay control module is connected with the buzzer.
Specifically, the image pickup control apparatus is connected to the camera through a video data transmission cable.
Example seven:
an alert device, comprising: the system comprises an optical fiber fence module, a camera shooting control module, an alarm module and software (a main control module).
The optical fiber fence module comprises a sensing optical fiber and a phase-sensitive optical time domain reflector, and the phase-sensitive optical time domain reflector is connected with the sensing optical fiber.
The camera shooting control module comprises a camera and camera shooting control equipment, and the camera shooting control equipment is connected with the camera.
The alarm module comprises a buzzer and a relay control module, and the relay control module is connected with the buzzer.
The software is used for acquiring disturbance information from the optical fiber fence module and image information from the camera control module, matching the disturbance information and the image information to judge whether illegal invasion exists or not, and finally sending the judgment information to the alarm module to trigger alarm or remove the alarm.
Example eight:
an image pickup method, comprising:
shooting the acquired images at the fence boundary to form image information;
and sending the image information to a main control module to judge whether illegal invasion is obtained, wherein the judgment information is obtained by jointly judging based on the image information and the disturbance information detected and obtained by the optical fiber fence module.
Example nine:
an image pickup apparatus, comprising:
the acquisition module is used for shooting the acquired images at the fence boundary to form image information;
the first judgment module sends the image information to the main control module to judge to obtain judgment information, wherein the judgment information is obtained by jointly judging based on the image information and the disturbance information detected and obtained by the optical fiber fence module.
Example ten:
a camera memory, wherein software is executed that performs the steps of:
shooting the acquired images at the fence boundary to form image information;
and sending the image information to a main control module for judgment to obtain judgment information, wherein the judgment information is obtained by jointly judging based on the image information and the disturbance information detected and obtained by the optical fiber fence module.
Example eleven:
an image capture processor, wherein the software is configured to execute the following steps:
shooting the acquired images at the fence boundary to form image information;
and sending the image information to a main control module for judgment to obtain judgment information, wherein the judgment information is obtained by jointly judging based on the image information and the disturbance information detected and obtained by the optical fiber fence module.
Example twelve:
a perturbation method, comprising the steps of:
after detecting that the vibration at the boundary of the fence forms illegal invasion, carrying out disturbance positioning on the illegal invasion to form disturbance information;
and sending the disturbance information to a main control module to judge whether illegal invasion judgment information is obtained, wherein the judgment information is obtained by jointly judging based on the disturbance information and image information obtained by shooting of a camera control module.
Example thirteen:
a perturbation device, comprising:
the detection module is used for detecting that the vibration at the fence boundary forms illegal invasion and then carrying out disturbance positioning on the illegal invasion to form disturbance information;
and the second judgment module is used for sending the disturbance information to the main control module to judge whether illegal invasion judgment information is obtained, wherein the judgment information is obtained by jointly judging based on the disturbance information and the image information shot and obtained by the camera shooting control module.
Example fourteen:
a perturbation memory, wherein software for executing the following steps:
after detecting that the vibration at the boundary of the fence forms illegal invasion, carrying out disturbance positioning on the illegal invasion to form disturbance information;
and sending the disturbance information to a main control module to judge whether illegal invasion judgment information is obtained, wherein the judgment information is obtained by jointly judging based on the disturbance information and image information obtained by shooting of a camera control module.
Example fifteen:
a perturbation processor, wherein software is operable to execute the following steps:
after detecting that the vibration at the boundary of the fence forms illegal invasion, carrying out disturbance positioning on the illegal invasion to form disturbance information;
and sending the disturbance information to a main control module to judge whether illegal invasion judgment information is obtained, wherein the judgment information is obtained by jointly judging based on the disturbance information and image information obtained by shooting of a camera control module.
Example sixteen:
an alert method, comprising the steps of:
receiving judgment information, wherein the judgment information is used for judging whether illegal invasion acquisition exists or not by matching disturbance information detected and acquired by the main control module based on the optical fiber fence module with image information acquired by shooting through the camera control module;
and triggering an alarm or releasing the alarm according to the judgment information.
Example seventeen:
an alarm device, comprising:
the third receiving module is used for receiving judgment information, wherein the judgment information is used for judging whether illegal invasion is obtained or not by matching disturbance information detected and obtained by the main control module based on the optical fiber fence module with image information obtained by shooting through the camera control module;
and the triggering module is used for triggering an alarm or releasing the alarm according to the judgment information.
Example eighteen:
an alert store, wherein software is configured to execute the following steps:
receiving judgment information, wherein the judgment information is used for judging whether illegal invasion acquisition exists or not by matching disturbance information detected and acquired by the main control module based on the optical fiber fence module with image information acquired by shooting through the camera control module;
and triggering an alarm or releasing the alarm according to the judgment information.
Example nineteenth:
an alarm processor, wherein software for executing the following steps:
receiving judgment information, wherein the judgment information is used for judging whether illegal invasion acquisition exists or not by matching disturbance information detected and acquired by the main control module based on the optical fiber fence module with image information acquired by shooting through the camera control module;
and triggering an alarm or releasing the alarm according to the judgment information.
Although the illustrative embodiments of the present invention have been described above to enable those skilled in the art to understand the present invention, the present invention is not limited to the scope of the embodiments, and it is apparent to those skilled in the art that all the inventive concepts using the present invention are protected as long as they can be changed within the spirit and scope of the present invention as defined and defined by the appended claims.
Claims (10)
1. A special optical fiber fence system based on sound, light and video linkage, comprising:
a fiber fence module;
the main control module receives disturbance information sent by the optical fiber fence module, wherein the disturbance information is a signal for carrying out disturbance positioning on an illegal invasion position after the optical fiber fence module detects the illegal invasion at the fence boundary;
the main control module receives image information sent by the camera control module, and the image information is an image at the fence boundary, which is obtained by the camera control module;
the main control module is used for matching and judging whether illegal invasion exists or not based on the disturbance information and the image information;
and the alarm module triggers an alarm or releases the alarm after the judgment information sent by the main control module is sent to the alarm module.
2. A special fiber optic enclosure system based on acoustic, optical, and video linkage as claimed in claim 1 wherein said fiber optic enclosure module comprises:
and the sensing optical cable receives the vibration signal to detect illegal invasion at the boundary of the fence and sends invasion information to the optical fiber fence module.
3. A special fiber optic enclosure system based on acoustic, optical, and video linkage as claimed in claim 2 wherein the fiber optic enclosure module comprises:
the optical fiber sensor comprises a phase sensitive optical time domain reflectometer, wherein light emitted by a light source of the phase sensitive optical time domain reflectometer enters the sensing optical fiber and receives the invasion information, and the phase sensitive optical time domain reflectometer comprises:
and the disturbance positioning module is used for carrying out disturbance positioning on the illegal invasion position based on the invasion information.
4. A specialty fiber optic fence system based on acoustic, optical, and video linkage as claimed in claim 2 wherein said sensing cables are laid on the fence to detect objects intruding into the fence boundary.
5. A special fiber optic enclosure system based on acoustic, optical and video linkage as claimed in claim 2 wherein said sensing cable is a special fiber optic cable employing armored vibration sensitivity.
6. A special fiber fence system as claimed in claim 3 wherein the light source of the phase sensitive optical time domain reflectometer is a narrow linewidth laser light source.
7. The special fiber fence system based on sound, light and video linkage as claimed in claim 1, wherein the camera control module comprises:
a camera;
the camera shooting control equipment controls the camera to collect images of a plurality of areas at the boundary of the fence, then intrusion judgment is carried out on the images, and if intrusion is judged to exist, the image information formed by the images is sent to the main control module.
8. The special optical fiber fence system based on sound, light and video linkage as claimed in claim 7, wherein the image is transmitted from the camera head to the camera control device through a video data transmission line for storage.
9. The special fiber optic fence system based on acoustic, optical and video linkage as claimed in claim 8, wherein the video data transmission cable is a twisted pair or an optical fiber.
10. The special fiber optic fence system based on acoustic, optical, and video linkage as claimed in claim 1, wherein said alarm module comprises:
a searchlight;
a buzzer;
the main control module controls the relay control module to turn on or turn off the searchlight and the buzzer to alarm or relieve the alarm.
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| CN202010111558.2A CN111311859A (en) | 2020-02-24 | 2020-02-24 | Special optical fiber fence system based on sound, light and video linkage and alarm method |
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| CN202010111558.2A CN111311859A (en) | 2020-02-24 | 2020-02-24 | Special optical fiber fence system based on sound, light and video linkage and alarm method |
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| CN111311859A true CN111311859A (en) | 2020-06-19 |
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| CN202010111558.2A Pending CN111311859A (en) | 2020-02-24 | 2020-02-24 | Special optical fiber fence system based on sound, light and video linkage and alarm method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112149731A (en) * | 2020-09-23 | 2020-12-29 | 内蒙古电力(集团)有限责任公司乌海电业局 | Power system fault classification method and system based on ID3 algorithm |
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| CN104574726A (en) * | 2014-12-19 | 2015-04-29 | 欧阳秋娜 | Monitoring system and monitoring method of electronic fence |
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| CN102982639A (en) * | 2012-10-31 | 2013-03-20 | 中国电子科技集团公司第三十四研究所 | Video monitoring optical fiber fence system and using method thereof |
| EP3059716A1 (en) * | 2013-10-16 | 2016-08-24 | Proytecsa Security. S.L. | Device for detecting intrusion on security fences |
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Application publication date: 20200619 |