CN114387748A - Anti-interference perimeter intrusion alarm system based on positioning type optical fiber multi-dimensional protection - Google Patents
Anti-interference perimeter intrusion alarm system based on positioning type optical fiber multi-dimensional protection Download PDFInfo
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- CN114387748A CN114387748A CN202210110272.1A CN202210110272A CN114387748A CN 114387748 A CN114387748 A CN 114387748A CN 202210110272 A CN202210110272 A CN 202210110272A CN 114387748 A CN114387748 A CN 114387748A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims abstract description 35
- 230000005284 excitation Effects 0.000 claims description 21
- 239000011159 matrix material Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 5
- 238000004422 calculation algorithm Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000007621 cluster analysis Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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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
- 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)
- Burglar Alarm Systems (AREA)
- Alarm Systems (AREA)
Abstract
The invention provides an anti-interference perimeter intrusion alarm system based on positioning type optical fiber multidimensional protection, which comprises perimeter intrusion signal acquisition equipment, an upper computer, a first sensing optical cable and a second sensing optical cable, wherein the perimeter intrusion signal acquisition equipment is respectively connected into the first sensing optical cable and the second sensing optical cable, the sensing optical cable is arranged on a fence or a wall in a linear hanging mode, and the second sensing optical cable is arranged on an underground enclosure in a linear laying mode.
Description
Technical Field
The invention belongs to the technical field of intrusion alarm systems, and particularly relates to an anti-interference perimeter intrusion alarm system based on positioning type optical fiber multi-dimensional protection.
Background
The perimeter intrusion alarm system is an important component of a technical precaution system, and is the first defense line of a safety alarm system, and a large amount of social wealth, military land, important facilities, power stations, inflammable and explosive material warehouses and the like need to be effectively prevented by the perimeter intrusion alarm system to ensure the safety of the security alarm system, so that the intrusion alarm system is more and more emphasized in all aspects, the user needs urgent, in some important areas, in order to prevent illegal intrusion and various destructive activities, the traditional precaution measures are that barriers or barriers such as iron fences, enclosing walls, steel wire fence nets and the like are arranged at the peripheral peripheries of the areas, under the condition of intellectualization, the traditional precaution measures are difficult to adapt to the needs of security protection work of key departments and key units, but the identification rate of the existing perimeter intrusion alarm system can be further improved, therefore, the invention provides an anti-interference perimeter intrusion alarm system based on positioning type optical fiber multi-dimensional protection.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an anti-interference perimeter intrusion alarm system based on positioning type optical fiber multi-dimensional protection, which is reasonable in design, can realize the detection of an intrusion behavior process, transmits an optical signal carrying vibration information to optical fiber perimeter intrusion acquisition equipment, judges the intrusion behavior through an upper computer alarm software combined mode identification technology, sends out an alarm and has high identification rate.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an anti-interference perimeter intrusion alert system of multi-dimensional protection based on location type optic fibre, including perimeter intrusion signal collection equipment, the host computer, sensing optical cable one and sensing optical cable two, wherein, perimeter intrusion signal collection equipment inserts sensing optical cable one and sensing optical cable two respectively, sensing optical cable one is laid on rail or wall body with straight line form hanging mode, sensing optical cable two is laid underground the enclosure with the straight line mode of laying, after the host computer received perimeter intrusion signal collection equipment's signal, the warning was judged the calculation step as follows:
the method comprises the following steps: on the whole optical fiber link, dividing the optical fiber into a plurality of small sections, wherein each small section is used as a monitoring unit;
secondly, the step of: in the monitoring perimeter region, knocking and positioning are carried out at certain intervals, and the corresponding relation of detection units of the fence region and the buried region is recorded;
③: reading vibration detection signals of each monitoring unit, dividing an original signal matrix per second into d time segments, and solving the maximum value of each column for each time segment to obtain a matrix of dXN;
fourthly, the method comprises the following steps: splicing the data matrixes obtained at all times to obtain a whole-section vibration signal matrix within a period of time, and drawing an optical fiber vibration data image according to the whole-section vibration signal matrix;
fifthly: calculating a segmentation threshold value by using an OTSU algorithm, and binarizing the whole vibration signal matrix to obtain a binarized matrix;
sixthly, the method comprises the following steps: performing cluster analysis on bright pixel points in the binarization matrix to extract each excitation signal block in the optical fiber vibration data image;
seventh, the method comprises the following steps: for the signals of the fence section, judging whether the excitation time length and the influence range of a certain excitation signal block reach a fence strategy preset threshold value or not;
and (v): if a certain excitation signal block of the fence section signal reaches a preset threshold value of a fence strategy, extracting corresponding buried section signal data according to corresponding records of detection units of the fence area and the buried area, and judging whether the buried signal data of the section has the excitation signal block or not and whether the buried signal block reaches the preset threshold value of the buried strategy or not;
ninthly: when a certain excitation signal block of the fence section signal reaches a preset threshold value of a fence strategy and an excitation signal block of the corresponding buried section signal also reaches the preset threshold value of the buried strategy within a certain time range, the system sends out intrusion alarm.
In this embodiment, the upper computer includes alarm software.
In this embodiment, the alarm includes time and location information.
In this embodiment, the number of rows of each time slice in the third embodiment is the same.
In the embodiment, the perimeter intrusion signal acquisition equipment is electrically connected with an upper computer, and the upper computer is electrically connected with the first sensing optical cable and the second sensing optical cable.
The invention has the beneficial effects that: the invention discloses an anti-interference perimeter intrusion alarm system based on positioning type optical fiber multi-dimensional protection.
1. This based on anti-interference perimeter intrusion alert system of location type optic fibre multidimension protection can realize the detection to the invasion action process to in will carrying the optical signal transmission of vibration information to optic fibre perimeter intrusion acquisition equipment, through host computer warning software composite mode identification technology, judge the invasion process action, send out the warning, the recognition rate is high.
2. The anti-interference perimeter intrusion alarm system based on the positioning type optical fiber multi-dimensional protection can be simultaneously linked with an audible and visual alarm for alarm reminding and also can be linked with video and propaganda equipment.
Drawings
FIG. 1 is a schematic structural diagram of an anti-interference perimeter intrusion alarm system based on positioning type optical fiber multi-dimensional protection;
in the figure: 1. perimeter intrusion signal acquisition equipment; 2. an upper computer; 3. a first sensing optical cable; 4. and a second sensing optical cable.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides an anti-interference perimeter intrusion alert system of multi-dimensional protection based on location type optic fibre, including perimeter intrusion signal collection equipment 1, host computer 2, sensing optical cable 3 and two 4 of sensing optical cable, wherein, perimeter intrusion signal collection equipment 1 inserts sensing optical cable 3 and two 4 of sensing optical cable respectively, sensing optical cable 3 is laid in rail or wall body with straight line form hanging mode, sensing optical cable two 4 are laid in the enclosure underground with the straight line mode of laying, host computer 2 receives behind perimeter intrusion signal collection equipment 1's the signal, the warning is judged the calculation step as follows:
the method comprises the following steps: on the whole optical fiber link, dividing the optical fiber into a plurality of small sections, wherein each small section is used as a monitoring unit;
secondly, the step of: in the monitoring perimeter region, knocking and positioning are carried out at certain intervals, and the corresponding relation of detection units of the fence region and the buried region is recorded;
③: reading vibration detection signals of each monitoring unit, dividing an original signal matrix per second into d time segments, and solving the maximum value of each column for each time segment to obtain a matrix of dXN;
fourthly, the method comprises the following steps: splicing the data matrixes obtained at all times to obtain a whole-section vibration signal matrix within a period of time, and drawing an optical fiber vibration data image according to the whole-section vibration signal matrix;
fifthly: calculating a segmentation threshold value by using an OTSU algorithm, and binarizing the whole vibration signal matrix to obtain a binarized matrix;
sixthly, the method comprises the following steps: performing cluster analysis on bright pixel points in the binarization matrix to extract each excitation signal block in the optical fiber vibration data image;
seventh, the method comprises the following steps: for the signals of the fence section, judging whether the excitation time length and the influence range of a certain excitation signal block reach a fence strategy preset threshold value or not;
and (v): if a certain excitation signal block of the fence section signal reaches a preset threshold value of a fence strategy, extracting corresponding buried section signal data according to corresponding records of detection units of the fence area and the buried area, and judging whether the buried signal data of the section has the excitation signal block or not and whether the buried signal block reaches the preset threshold value of the buried strategy or not;
ninthly: when a certain excitation signal block of the fence section signal reaches a fence strategy preset threshold value and an excitation signal block of the corresponding underground section signal also reaches the underground strategy preset threshold value in a certain time range, the system sends out intrusion alarm, so that the intrusion behavior process can be detected, an optical signal carrying vibration information is transmitted to the optical fiber perimeter intrusion acquisition equipment 1, the intrusion process behavior is judged and the alarm is sent out through the upper computer 2 alarm software combined mode identification technology, and the identification rate is high.
In this embodiment, the upper computer 2 includes alarm software.
In this embodiment, the alarm includes time and location information.
In this embodiment, the number of rows of each time slice in the third embodiment is the same.
In this embodiment, perimeter intrusion signal collection equipment 1 and 2 electric connection of host computer, host computer 2 and sensing optical cable 3 and two 4 electric connection of sensing optical cable.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides an anti-interference perimeter intrusion alert system of multi-dimensional protection based on location type optic fibre, a serial communication port, including perimeter intrusion signal collection equipment (1), host computer (2), sensing optical cable (3) and sensing optical cable two (4), wherein, perimeter intrusion signal collection equipment (1) inserts sensing optical cable (3) and sensing optical cable two (4) respectively, sensing optical cable (3) are laid on rail or wall body with the straight line form of hanging, sensing optical cable two (4) are laid underground the enclosure with the straight line mode of laying, host computer (2) receive the signal of perimeter intrusion signal collection equipment (1) after, report to the police and judge the calculation step as follows:
the method comprises the following steps: on the whole optical fiber link, dividing the optical fiber into a plurality of small sections, wherein each small section is used as a monitoring unit;
secondly, the step of: in the monitoring perimeter region, knocking and positioning are carried out at certain intervals, and the corresponding relation of detection units of the fence region and the buried region is recorded;
③: reading vibration detection signals of each monitoring unit, dividing an original signal matrix per second into d time segments, and solving the maximum value of each column for each time segment to obtain a matrix of dXN;
fourthly, the method comprises the following steps: splicing the data matrixes obtained at all times to obtain a whole-section vibration signal matrix within a period of time, and drawing an optical fiber vibration data image according to the whole-section vibration signal matrix;
fifthly: calculating a segmentation threshold value by using an OTSU algorithm, and binarizing the whole vibration signal matrix to obtain a binarized matrix;
sixthly, the method comprises the following steps: performing cluster analysis on bright pixel points in the binarization matrix to extract each excitation signal block in the optical fiber vibration data image;
seventh, the method comprises the following steps: for the signals of the fence section, judging whether the excitation time length and the influence range of a certain excitation signal block reach a fence strategy preset threshold value or not;
and (v): if a certain excitation signal block of the fence section signal reaches a preset threshold value of a fence strategy, extracting corresponding buried section signal data according to corresponding records of detection units of the fence area and the buried area, and judging whether the buried signal data of the section has the excitation signal block or not and whether the buried signal block reaches the preset threshold value of the buried strategy or not;
ninthly: when a certain excitation signal block of the fence section signal reaches a preset threshold value of a fence strategy and an excitation signal block of the corresponding buried section signal also reaches the preset threshold value of the buried strategy within a certain time range, the system sends out intrusion alarm.
2. The system according to claim 1, wherein the system comprises: the upper computer (2) comprises alarm software.
3. The system according to claim 1, wherein the system comprises: the alarm contains time and location information.
4. The system according to claim 1, wherein the system comprises: and the number of rows of each time slice in the third step is the same.
5. The system according to claim 1, wherein the system comprises: perimeter intrusion signal acquisition equipment (1) and host computer (2) electric connection, host computer (2) and sensing optical cable one (3) and sensing optical cable two (4) electric connection.
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| CN202210110272.1A CN114387748A (en) | 2022-01-29 | 2022-01-29 | Anti-interference perimeter intrusion alarm system based on positioning type optical fiber multi-dimensional protection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115580347A (en) * | 2022-09-22 | 2023-01-06 | 武汉新楚光电科技发展有限公司 | Method, system and equipment for early warning damage to optical cable in interference environment based on optical fiber sensing |
| CN116071879A (en) * | 2023-01-18 | 2023-05-05 | 北京航天易联科技发展有限公司 | Optical fiber positioning type perimeter alarm system and method for air-ground combined multidimensional judgment |
| CN116110207A (en) * | 2022-12-07 | 2023-05-12 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Dual-machine redundant positioning type optical fiber sensor perimeter intrusion alarm method and system |
| CN118334806A (en) * | 2024-04-15 | 2024-07-12 | 中国船舶集团有限公司第七一五研究所 | Perimeter intrusion detection method based on distributed optical fiber network buried composite strategy |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115580347A (en) * | 2022-09-22 | 2023-01-06 | 武汉新楚光电科技发展有限公司 | Method, system and equipment for early warning damage to optical cable in interference environment based on optical fiber sensing |
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Application publication date: 20220422 |