CN210534937U - Optical fiber perimeter protection alarm system - Google Patents
Optical fiber perimeter protection alarm system Download PDFInfo
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- CN210534937U CN210534937U CN201921728205.6U CN201921728205U CN210534937U CN 210534937 U CN210534937 U CN 210534937U CN 201921728205 U CN201921728205 U CN 201921728205U CN 210534937 U CN210534937 U CN 210534937U
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Abstract
The utility model provides an optic fibre perimeter protection alarm system, include: the system comprises a plurality of defense area data processing modules, a data transmission module and a terminal alarm module; the defense area data processing module comprises front-end detection equipment, a data processor and an isolation protection module; the front-end detection device comprises a voice monitoring unit, a video monitoring unit and a passive vibration sensing optical fiber; the data processor is a DSP digital processor; the isolation protection module comprises a signal isolator; the data transmission module comprises a guide optical cable and is used for communication among the front-end detection device, the data processor and the terminal alarm module; terminal alarm module includes terminal processor, burglar alarm control ware, warning light linkage module and display, the utility model discloses can realize the stable transmission of long distance signal, adopt multiple monitoring device to effectively avoid the false alarm condition, and can distinguish the control and find out the trouble node fast to different defence.
Description
Technical Field
The utility model relates to a security protection control technical field especially involves an optic fibre perimeter protection alarm system.
Background
The existing perimeter alarm system mostly adopts infrared correlation, video monitoring, leaking cables, vibrating cables, electronic fences, power grids and the like, but is limited by factors such as objective technical conditions and the like, and also has some common or individual defects, for example, the traditional scheme such as infrared and the like, has lower protection level, is easy to span or avoid for an intentional invader, is easy to be limited by environments such as height, twist, turning, bending and the like of terrain conditions, is easy to be influenced by natural climates such as temperature, strong light and the like, has high false alarm rate, and the leaking cables and the vibrating cables alarm belong to cable sensing, and the sensing part is active, so that the system power consumption is very large; the schemes such as electronic fences and power grids are harmful to some extent, the monitoring distances are short, the unit distance cost is high, the system is high in manufacturing cost and high in maintenance cost when long-distance monitoring is needed, interference opportunities are increased, the sensitivity is reduced, the false alarm rate and the false missing report rate are increased, a positioning function is not provided for large-range monitoring, and dangerous places cannot be determined timely and accurately when intrusion behaviors occur.
In summary, how to provide a perimeter protection alarm system that can timely identify and respond to various intrusion events and has the characteristics of long-distance monitoring, high-precision positioning function, low energy dependence, electromagnetic interference resistance, corrosion resistance and the like is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned problems and needs, the present invention provides an optical fiber perimeter protection alarm system, which can solve the above technical problems by adopting the following technical solutions.
In order to achieve the above object, the utility model provides a following technical scheme: a fiber optic perimeter protection alarm system comprising: the system comprises a plurality of defense area data processing modules, a data transmission module and a terminal alarm module; the defense area data processing module comprises front-end detection equipment, a data processor and an isolation protection module; the front-end detection device comprises a voice monitoring unit, a video monitoring unit and a passive vibration sensing optical fiber, wherein the voice monitoring unit comprises a voice monitor; the video monitoring unit comprises a camera; the voice monitor, the camera and the passive vibration sensing optical fiber are all connected with the data processor through a data transmission module; the data processor is a DSP digital processor; the isolation protection module comprises a signal isolator, and the signal isolator is arranged between the front-end detection device and the data processor; the data transmission module comprises a guide optical cable and is used for communication among the front-end detection device, the data processor and the terminal alarm module; the terminal alarm module comprises a terminal processor, an anti-theft alarm controller, an alarm light linkage module and a display.
Further, the defense area data processing module further comprises an optical fiber transceiver disposed between the guiding optical cable and the signal isolator.
Further, the signal isolator is an optical coupler.
Furthermore, the camera is a high-definition optical fiber infrared camera.
Furthermore, the anti-theft alarm controller, the alarm light linkage module and the display are electrically connected with the terminal processor, and the display is a touchable liquid crystal display.
Further, the passive vibration sensing optical fiber is continuously laid at about 3/4 th of the protective net in an S shape.
Further, the DSP communicates with the terminal processor through a local area network using an optical cable as a medium.
Further, the voice monitor is arranged on an optical fiber, and the optical fiber is connected with the guide optical cable.
The beneficial effects of the utility model are that, this utility model can realize the stable transmission of long distance signal, adopt multiple monitoring device to effectively avoid false alarm condition reliability high, and can distinguish the control and find out the trouble node fast and carry out the independent processing to different defence.
The following description of the preferred embodiments for carrying out the present invention will be made in detail with reference to the accompanying drawings so that the features and advantages of the present invention can be easily understood.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.
Fig. 1 is the utility model relates to an optic fibre perimeter protection alarm system structure sketch map.
Fig. 2 is a schematic structural diagram of a defense area data processing module.
Detailed Description
In order to make the technical solution of the present invention, its purpose, technical solution and advantages become clearer, the drawings of the embodiments of the present invention will be combined hereinafter, and the technical solution of the embodiments of the present invention will be clearly and completely described. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model provides a can realize the stable transmission of long distance signal and effectively avoid the false alarm condition, and can distinguish the control and find out the trouble node fast and carry out the optical fiber perimeter protection alarm system who handles alone to different defence, this optical fiber perimeter protection alarm system includes: the system comprises a plurality of defense areas, a data transmission module and a terminal alarm module, wherein the data transmission module comprises a guide optical cable; the defense area data processing module comprises front-end detection equipment, a data processor and an isolation protection module, the defense area data processing module further comprises an optical fiber transceiver, the optical fiber transceiver is arranged between a guide optical cable and a signal isolator, the data processor is a DSP (digital signal processor), in the embodiment, the DSP digital processor adopts a model of TMS320C6416, the DSP digital processor and the terminal processor are communicated through a local area network with the optical cable as a medium, and the terminal processor adopts a single chip microcomputer, wherein the front-end detection equipment comprises a voice monitoring unit, a video monitoring unit and a passive vibration sensing optical fiber, the voice monitoring unit comprises a voice monitor, the voice monitor is arranged on the optical fiber, and the optical fiber is connected with the guide optical cable; the video monitoring unit comprises a camera which is a high-definition optical fiber infrared camera and can shoot images of intruders at night in a short distance; the voice monitor, the camera and the vibration sensing optical fiber are all connected with the data processor through a data transmission module, the passive vibration sensing optical fiber is S-shaped and is continuously laid at the position with the height of about 3/4 of a protective net, so that the situation that an intruder climbs, climbs and the like can be effectively prevented, and the data transmission module is used for communication among the front-end detection device, the data processor and the terminal alarm module.
The optical fiber is adopted to transmit data, so that the optical fiber has the advantages of no interference of thunder, electromagnetism and radio, high detection rate and low false alarm rate, can stably work in severe environment, has long service life, easy installation and maintenance, low failure rate and the like, is very suitable for the requirements of a boundary intrusion alarm system, the sensor used by the vibration sensing optical fiber is a common communication optical fiber, is extremely sensitive to vibration and pressure, is not interfered by various forms of electromagnetic signals, is suitable for being applied to the boundary protection of large and important places, the vibration sensing optical fiber converts the tiny vibration on a fence into an electric signal to be transmitted to a digital signal processor, the digital signal processor detects the change of the optical signal, then processes the detected signal and outputs a switching value alarm signal, the sensing optical cable can also be used for burying underground, and senses the pressure and the vibration of the sensing optical fiber by an intruder, the alarm signal is generated, so that the device is very convenient and has high adaptability.
In this embodiment, the plurality of defense area data processing modules communicate with the terminal processor through the guide optical cable to form a defense area network, and each defense area node works independently, so that a fault point can be accurately positioned and quickly discharged.
The isolation protection module comprises a signal isolator, wherein the signal isolator is arranged between the front-end detection device and the data processor, the signal isolator is an optical coupler, and the optical coupler has good isolation effect on input and output electric signals, so that the isolation protection module is widely applied to various circuits.
Terminal alarm module includes terminal processor, burglar alarm control ware, warning light linkage module and display, burglar alarm control ware warning light linkage module with the display all with the terminal processor electricity is connected, the display is tangible LCD, and the user can set up various alarm parameters through tangible LCD and be used for changing alarm sensitivity.
It should be noted that the embodiments of the present invention are only the preferred embodiments for implementing the present invention, and all the obvious modifications and changes belonging to the overall concept of the present invention should fall within the protection scope of the present invention.
Claims (8)
1. A fiber optic perimeter protection alarm system, comprising: the system comprises a plurality of defense area data processing modules, a data transmission module and a terminal alarm module; the defense area data processing module comprises front-end detection equipment, a data processor and an isolation protection module;
the front-end detection device comprises a voice monitoring unit, a video monitoring unit and a passive vibration sensing optical fiber, wherein the voice monitoring unit comprises a voice monitor; the video monitoring unit comprises a camera; the voice monitor, the camera and the passive vibration sensing optical fiber are all connected with the data processor through a data transmission module; the data processor is a DSP digital processor;
the isolation protection module comprises a signal isolator, and the signal isolator is arranged between the front-end detection device and the data processor;
the data transmission module comprises a guide optical cable and is used for communication among the front-end detection device, the data processor and the terminal alarm module;
the terminal alarm module comprises a terminal processor, an anti-theft alarm controller, an alarm light linkage module and a display.
2. The fiber optic perimeter protection alarm system of claim 1, wherein the defence area data processing module further comprises a fiber optic transceiver disposed between the guide cable and the signal isolator.
3. The fiber optic perimeter protection alarm system of claim 1, wherein the signal isolator is an optical coupler.
4. The optical fiber perimeter protection alarm system of claim 1, wherein said camera is a high definition fiber infrared camera.
5. The optical fiber perimeter protection alarm system according to claim 1, wherein said burglar alarm controller, said alarm light linkage module and said display are electrically connected to said terminal processor, said display being a touchable liquid crystal display.
6. The fiber perimeter protection alarm system according to claim 1, wherein the passive vibration sensing fibers are laid in an S-shape continuously at about 3/4 mesh height.
7. The fiber perimeter protection alarm system according to claim 1, wherein said DSP digital processor communicates with said terminal processor over a local area network using optical fiber cable as a medium.
8. The fiber optic perimeter protection alarm system of claim 1, wherein the voice monitor is disposed on an optical fiber, the optical fiber being connected to the guide cable.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921728205.6U CN210534937U (en) | 2019-10-16 | 2019-10-16 | Optical fiber perimeter protection alarm system |
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| CN201921728205.6U CN210534937U (en) | 2019-10-16 | 2019-10-16 | Optical fiber perimeter protection alarm system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111986450A (en) * | 2020-08-21 | 2020-11-24 | 廊坊开发区中油新星电信工程有限公司 | Distributed perimeter security system |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111986450A (en) * | 2020-08-21 | 2020-11-24 | 廊坊开发区中油新星电信工程有限公司 | Distributed perimeter security system |
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