CN203134031U - Perimeter protecting system based on wireless sensor network - Google Patents
Perimeter protecting system based on wireless sensor network Download PDFInfo
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- CN203134031U CN203134031U CN 201320000574 CN201320000574U CN203134031U CN 203134031 U CN203134031 U CN 203134031U CN 201320000574 CN201320000574 CN 201320000574 CN 201320000574 U CN201320000574 U CN 201320000574U CN 203134031 U CN203134031 U CN 203134031U
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Abstract
The utility model discloses a perimeter protecting system based on a wireless sensor network. The perimeter protecting system based on the wireless sensor network comprises a wireless monitoring node, a sensor network central control node, a monitoring center server and a portable monitoring terminal. The wireless monitoring node acquires information via externally expanded sensors and sends the acquired information to the sensor network central control node in a wireless manner, and the sensor network central control node is used to establish a wireless communication network, receive the information sent by the wireless monitoring node, process the information via a data fusion technology, and forward the processed monitoring data to the monitoring center server in a wired manner; the monitoring center server is used to store and analyze the monitoring data and display the monitoring information, alarm if a protected target is invaded, and send the monitoring information and the alarm information to the portable monitoring terminal in the wireless manner, and the portable monitoring terminal accesses the data of the monitoring center server in the wireless manner. The perimeter protecting system based on the wireless sensor network of the utility model is low in cost and power consumption, agile in arrangement, wide in monitoring area and strong in applicability.
Description
Technical field
The utility model relates to a kind of perimeter protection system based on wireless sensor network, is specifically related to a kind of based on wireless sensor network and adopt " being that cloth is namely used " perimeter protection systems of multiple perception means.
Background technology
Along with development of technology and development; the scope in battlefield is constantly enlarging in the modern war; for providing the continual security protection of full dimension, military key areas such as command post, campsite monitor; find the illegal invasion target in real time; protection personnel, facility, resource and equipment are avoided enemy spy or the attack of terrorism, have become the significant challenge that modern war faces.In civil area, the security situation of critical facilitys such as airport, harbour, dangerous goods store also allows of no optimist.Yet physics boundary defence means (as fence, enclosure wall etc.) have been difficult to adapt to the needs of modern safety security work, and therefore, development and application technology boundary defence means become primary selection.These technology boundary defence means rise to intelligent management with boundary defence from simple physics is isolated, have effectively improved the efficient of perimeter protection.
At present, multiple technologies perimeter protection equipment such as existing infrared ray correlation, microwave sounding, vibration wireline, video monitoring on the market, however these technology perimeter protection equipment are but more or less existing obvious deficiency on the mechanism or on the performance.For example video monitoring adopts the fixed point monitoring usually, and monitoring range is little, and generally necessary continuous sweep causes the waste of resource, and needs Attended mode can realize real-time monitoring; Infrared monitoring is because the infrared technique self characteristics causes the infrared ray safety defense monitoring system to have the monitoring blind area, easily crack, be subject to inadequate natural endowments such as environment light source and toy interference; Microwave field and fence then make systemic breakdown than being easier to be subjected to the interference of electromagnetism, and system complex, and implementation cost is higher.In addition, the safety-protection system that part adopts wired wire laying mode such as optical fiber, network to realize, its structural manufacturing process complexity, construction trouble and long in time limit.
The utility model content
Utility model purpose: at the problem and shortage of above-mentioned prior art existence, the purpose of this utility model provides a kind of perimeter protection system based on wireless sensor network, short-distance wireless communication technology and sensor technology based on the advanced person, the isolated perimeter protection system of traditional physics, intruding detection system and wireless alarm system are combined together, be combined into a kind of many monitoring objectives, multiple-protection, intelligentized wireless security system.
Technical scheme: for realizing above-mentioned utility model purpose, the technical solution adopted in the utility model is a kind of perimeter protection system based on wireless sensor network, comprises wireless monitor node (being called for short " monitoring node "), sensing net center control nodes, monitoring central server and portable monitor terminal:
Described wireless monitor node and sensing net center control nodes are arranged in the target zone of protection;
Described wireless monitor node is sent to sensing net center control nodes by the sensor Information Monitoring that extends out and by wireless mode with the information of gathering;
Described sensing net center control nodes is used for setting up cordless communication network, receive the information of described wireless monitor node transmission and utilize data fusion means process information, and the Monitoring Data after will handling is forwarded to monitoring central server by wired mode;
Described monitoring central server is used for storage and analyzes described Monitoring Data and show monitoring information, if find have guarded target invaded, then sends warning, and monitoring information and warning message are sent to portable monitor terminal by wireless mode;
Described portable monitor terminal is by the data of wireless mode access monitoring central server.
Further, described wireless monitor node comprises sensor interface unit, first microprocessor unit and first communication unit, described sensor is electric signal with the information conversion of gathering and sends described electric signal to described first microprocessor unit by sensor interface unit that the first microprocessor unit is wirelessly sent to sensing net center control nodes with described electric signal by described first communication unit.
Further, described sensor comprises infrared sensor, shock sensor and magneto-dependent sensor.
Further, described sensing net center control nodes comprises second microprocessor unit, second communication unit and interface unit, described second communication unit receives the signal of first communication unit transmission and is sent to second microprocessor unit, second microprocessor unit carries out Data Fusion with the signal that receives, and the Monitoring Data after will handling is by the wired monitoring central server that is sent to of interface unit.Further, described sensing net center control nodes also comprises auxiliary positioning unit, described auxiliary positioning unit with the positional information of sensing net center control nodes successively by second microprocessor unit and the wired monitoring central server that is sent to of interface unit.The interface of some correspondence with foreign countries mainly is provided in the interface unit, as the RS232 serial ports, USB interface and network interface.Described auxiliary positioning unit can comprise the GPS module.
Further, described wireless monitor node and sensing net center control nodes adopt the communication of Zigbee wireless self-networking mode.
In the utility model, general high performance server and the operational monitoring software of adopting of monitoring central server, the monitoring of software of server end is mainly by communication module, data memory module, several parts of data processing module and display alarm module are formed, and provide functions such as the sensor monitoring information real-time exhibition of basic communication and protocol analysis (serial communication, network service TCP, UDP), monitoring information storage and management, sensing net topology and distribution and abnormal alarm, and possesses online equipment failure monitoring capability.Portable monitor terminal mainly uses handheld device such as PDA, panel computer etc., and it utilizes monitoring information and the result of wireless communication mode access monitoring server, and shows by friendly interactive mode.Illegal invasion or abnormality alarming can be when taking place as a kind of portable intellectual monitoring equipment in portable monitor terminal, and on-the-spot indication related personnel investigates alert.
Further, described sensor comprises shock sensor at least, the operating mechanism of described wireless monitor node interrupts waking up for the active dormancy adds, specific as follows: as namely initiatively to enter the low-power consumption park mode after described wireless monitor node deployment is finished, waken up by timer internal at set intervals, and initiatively read the information that each sensor is gathered, be sent to sensing net center control nodes by radio communication again; If interruption wakes up and refers to when having target to enter the monitored area, shock sensor is by digital signal wake on wireless monitoring node of output, after being waken up, at first opens the wireless monitor node ADC module, gather shock sensor by the magnitude of voltage of analog output channel output, when the output voltage that collects when continuous a period of time is higher than the dormancy threshold voltage threshold value of wireless monitor node setting, then other probe powers of demand working enter the multisensor mode of operation, otherwise the wireless monitor node enters dormant state again.This monitoring node initiatively dormancy adds the operating mechanism of interrupting waking up can also effectively be saved system energy consumption, be improved system when guaranteeing the reliable monitoring of intrusion target life span.
Further, described portable monitor terminal comprises mobile phone, PDA or panel computer.
Principle of work of the present utility model is to utilize the monitoring node that aircraft is jettisoninged or the mode of manually disposing will be carried various kinds of sensors in a large number to be deployed in the target monitoring zone, sensing net center control nodes starts and initiation establishment Small Area Wireless Communication Networks simultaneously, monitoring node in the zone adds network fast in the mode of self-organization, and forms mesh network covering monitored area.After network formed, each monitoring node in the monitored area can start the node self-locating function (not to launch in the utility model to discuss the self-align correlation technique of wireless sensor network node, specifically can inquire about relevant patent.If adopt artificial deployment way then can directly node location information be sent to monitoring central server) and positioning result is sent to monitoring central server.The deployment of perimeter protection monitoring network is finished namely to finish in the location, and guard system just can be devoted oneself to work.After target enters the monitored area, at first use above-mentioned arouse machine processed that monitoring node is waken up, monitoring node collects that the mode by the multi-hop route sends to sensing net center control nodes after the information such as vibrations, light blocking and magnetic field of intrusion target, sensing net center control nodes carries out data to send the result to monitoring central server by serial ports again after the simple fusion treatment, and the monitoring central server end is by to the storage of uploading data, analysis, calculating, the Display Realization functions such as detection, identification, tracking and warning to the monitored area intrusion target.Portable monitor terminal can utilize monitoring information and the result of network communication mode access monitoring server simultaneously, and on-the-spot indication related personnel investigates alert.When alert is got rid of or after intrusion target left surveyed area, monitoring node can enter low power mode of operation again to cut down the consumption of energy.
Beneficial effect: the wireless self-organization network that wireless sensor network is made up of the sensor node of a large amount of cheapnesss, each sensor node all has certain perception, processing, storage and wireless communication ability, has little, the advantages such as networking mode is flexible, deployment way is simple, suitable unmanned of the low volume of node cost.Compare with existing technology boundary defence means, utilize wireless sensor network to carry out perimeter protection, realize the intrusion detection of target, have following remarkable advantages:
Networking flexibility, namely cloth is namely used: can utilize aircraft air-drop or artificial mode of arranging to be deployed in target monitoring zone or key protection target circumference fast.Simultaneously, it is not subject to the restriction of landform and weather, can fast and effeciently be deployed in the environment of various landform, and can utilize sensing net self-organizing technique and wireless location technology to form the monitoring network in covered protection zone immediately.
It is collaborative to distribute, comprehensive monitoring: relative video monitoring these class fixed point monitor mode and line formula chain type monitor modes such as infrared safety monitoring, fence, adopt dispersion to dispose based on distributed wireless sensor network, the comprehensive monitoring mode that links work at selected spots with that in entire areas, by an invisible network that covers whole monitored area, form many depths, monitored area, the various illegal invasions of perception and unusual comprehensively on a large scale.
Description of drawings
Fig. 1 is application deployment synoptic diagram of the present utility model;
Fig. 2 is that system of the present utility model forms synoptic diagram, and the UART among the figure is Universal Asynchronous Receiver/Transmitter, the abbreviation of universal asynchronous reception/dispensing device;
Fig. 3 is monitoring node of the present utility model and sensing net center control nodes self-organizing network synoptic diagram, has schematically marked several monitoring nodes among the figure, and other does not have the circle of mark to be monitoring node yet;
Fig. 4 is monitoring node structural representation of the present utility model;
Fig. 5 is sensing net center control nodes structural representation of the present utility model;
Fig. 6 is portable monitor terminal structural representation of the present utility model;
Fig. 7 is monitoring node low-power consumption principle schematic of the present utility model;
Fig. 8 is system works flow process figure of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment only is used for explanation the utility model and is not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present utility model.
Can combine with the perimeter protection means of the traditional isolated mode of employing physics with reference to Fig. 1 " being that cloth is namely used " perimeter protection system based on many cognitive radios sensor network described in the utility model, and have dispose flexibly, be the i.e. characteristics of usefulness of cloth.Important goal in the Military Application is being carried out in the perimeter protection, at first adopting aircraft to jettisoning or the method for manually arranging is deployed in monitoring node and sensing net center control nodes at the target zone of protection.
Comprise multisensor monitoring node 101, sensing net center control nodes 102, monitoring central server 103 and portable monitor terminal 104 with reference to figure 2 " being that cloth is namely used " perimeter protection systems based on many cognitive radios sensor network as herein described.Monitoring node 101 mainly is responsible for utilizing the various kinds of sensors Information Monitoring of expansion and by wireless mode information being sent to sensing net center control nodes 102; 102 main establishment, maintenance and the management and control of being responsible for the Zigbee network of sensing net center control nodes, receive each and be distributed in the Monitoring Data of the on-the-spot monitoring node of monitoring 101 transmissions and utilize the data fusion means to carry out higher level data processing, by serial ports result is forwarded to monitoring central server 103 simultaneously; Main being responsible for of monitoring central server 103 stored and analyzed Monitoring Data, demonstration, security protection grade and situation analysis that friendly Man Machine Interface realizes monitoring result and abnormal alarm is provided and provides real-time monitoring information and result for portable monitor terminal 104; Portable monitor terminal 104 mainly utilizes monitoring information and the result of network communication mode access monitoring server 103, and carries to help its on-the-spot investigation alert by the related personnel.
As shown in Figure 3, monitoring node 101 adopts short-distance wireless communication technology Zigbee to set up self-organizing network with sensing net center control nodes 102 in the utility model, and network topology generally adopts netted or tree structure.The Zigbee wireless sensor network generally comprises a Zigbee coordinator node and a plurality of terminal node.Mainly be responsible for to be started the binding relationship etc. of network, configuration network member, maintaining network, Maintenance Point in the utility model as coordinator node by sensing net center control nodes 102, a plurality of monitoring nodes 101 that distribute are mainly finished sensor information collection, wireless routing to communicate, the 102 all kinds of management and control instructions of parsing sensing net center control nodes as the terminal node of Zigbee network and are carried out relevant configuration and operate the monitored area in.
As shown in Figure 4, monitoring node 101 comprises power supply unit, core processing unit, sensor interface unit, communication unit and location auxiliary unit in the utility model.Power supply unit is that each component units is supplied with energy on the whole monitoring node, mainly is made up of battery and voltage conversion circuit; Sensor interface unit provides the hardware to infrared correlation sensor, shock sensor, magneto-dependent sensor and other sensors to insert support, and by intrusion target vibrations characteristic quantity, magnetic characteristic quantity and light blocking features extraction, analysis are realized the simple identification to different intrusion target, and can insert one or more different sensors expansion perceptions according to concrete application demand; Core processing unit is made up of microprocessor and peripheral circuit.Communication unit adopts the zigbee technology to realize short-distance wireless communication in the utility model.Auxiliary positioning unit is optional module, can use the GPS location or adopt artificial method of demarcating to obtain the positional information of monitoring node when actual deployment.
As shown in Figure 5, sensing net center control nodes 102 comprises core processing unit, communication unit, auxiliary positioning unit (GPS), interface unit and power supply unit.Described communication unit is made of the zigbee communication module, and described zigbee module realizes radio communication function between sensing net center control nodes and monitoring node.Because sensing net center control nodes need converge, merge the real time data that each monitoring node is gathered, the node processing data volume is bigger, therefore needs more system resource with respect to monitoring node, has adopted high performance flush bonding processor in the utility model.Described interface unit comprises network interface, serial communication interface, universal input/output interface (GPIO) and analog digital conversion interface (ADC), and these interfaces make that the expansion of system is more flexible.Use the serial communication mode between sensing net center control nodes and the monitoring central server.
As shown in Figure 6, portable monitor terminal 104 comprises core processing unit, communication unit, auxiliary positioning unit (GPS), man-machine interaction unit and power supply unit.Described communication unit comprises multiple wireless communication mode such as WiFi, GPRS, realizes that mainly portable monitor terminal 104 utilizes network service remote access monitoring central server data.Described man-machine interaction unit mainly comprises multiple man-machine interactive means, as LCDs demonstration, keyboard input, speech recognition input, voice suggestion output etc.Portable monitor terminal 104 mainly carries to help its on-the-spot investigation alert by the related personnel, therefore volume and power consumption is had higher requirements.
With reference to Fig. 7, monitoring node 101 possesses three types sensor interface in the utility model: shock sensor, magneto-dependent sensor and infrared sensor, wherein shock sensor has two paths of signals output, the external interrupt that one tunnel output digital signal is directly connected to monitoring node 101 core processing units (being called for short " processing unit ") detects interface, and another road is exported simulating signal and linked to each other with analog to digital conversion (ADC) module of processing unit.Three kinds of working sensor power supplys that monitoring node 101 carries are all taken from node itself, but in order to reduce power consumption as far as possible, have only the power supply of shock sensor to be in on-state at ordinary times and namely have only shock sensor to be in mode of operation, the equal access failure power supply of all the other sensors.Adopt a kind of active dormancy to add the operating mechanism that interruption wakes up in the utility model, namely 101 mosts of the time of monitoring node are in the park mode of low-power consumption, and can be waken up by two class events.A kind of mode of waking up is to be sent to sensing net center control nodes 102 with wireless mode again after waking and connect the data of each working sensor power supply read sensor up by the timer internal in the processing unit at set intervals; Another kind wakes mode up, when target enters the monitored area, the pin that the shock sensor that monitoring node 101 carries is connected with external interrupt monitoring interface on the core processing unit will produce a negative edge signal and be used for waking up node, after waking up, at first opens monitoring node 101 magnitude of voltage that the ADC module is gathered the output of shock sensor analog output channel, when the output voltage that collects when continuous a period of time is higher than the dormancy threshold voltage threshold value that monitoring node sets then other sensors of demand working (infrared sensor and magneto-dependent sensor) power supply enter the multisensor mode of operation, otherwise monitoring node 101 enters dormant state again.This node initiatively dormancy adds the operating mechanism of interrupting waking up can also effectively be saved system energy consumption, be improved system when guaranteeing the reliable monitoring of intrusion target life span.
With reference to Fig. 8, native system is finished the step of perimeter protection task: at first start monitoring central server and finish initial work in step 801, dispose monitoring node 101 and sensing net center control nodes 102 simultaneously in the monitored area, start sensing net center control nodes 102 and set up Small Area Wireless Communication Networks, monitoring node 101 adds successively and forms self-organizing network; Monitoring node 101 and sensing net center control nodes 102 are utilized auxiliary positioning unit to position and the positional information of obtaining are uploaded to monitoring central server 103 in step 802; Monitoring central server 103 is according to monitoring node 101 networkings and positional information in step 803, calculates to generate the monitoring map that covers whole monitored area (when having new monitoring node to add in the monitored area or withdrawing from and dispose when changing monitoring central server and all can upgrade the monitoring map); In step 804, monitoring node 101 dispose finish and successful uploading position information after will enter dormant state, and adopt above-mentioned active dormancy to add to interrupt the operating mechanism of waking up, regularly interrupted waking up or being waken up by external interrupt signal by internal timing; In step 805, enter the monitored area as target, monitoring node 101 in the zone will be waken up and enter collaborative monitoring mode of operation immediately, the information such as vibrations, light blocking and magnetic field that begin to gather intrusion target send to sensing net center control nodes 102 in the mode of multi-hop route, and sensing net center control nodes 102 carries out data to send the result to monitoring central server 103 by serial ports again after the simple fusion treatment; In step 806, monitoring central server 103 is by to the storage of uploading data, analysis, calculating, Display Realization detection, identification, tracking and the warning to the monitored area intrusion target, and provide corresponding emergency plan according to the alert rank, and notice indication related personnel goes to monitor on-the-spot investigation; In step 807, the related personnel enters alarm region investigation alert, can be by the up-to-date monitoring result of portable monitor terminal 104 real time inspections of carrying and the every directive command that receives monitoring central server; In step 808, after alert is got rid of, the monitoring node 101 in the monitored area will enter park mode again, move to prolong the life span of monitoring network in the low-power consumption mode.
Compare with traditional perimeter protection system, the utility model makes that the structure of perimeter protection system is more flexible, monitoring is more intelligent comprehensively, have low cost, low-power consumption, deployment flexibly, characteristics such as monitoring is wide, applicability is strong, overcome well perimeter protection system based on traditional safety monitoring means such as video, infrared ray, optical fiber exist install complicated, monitoring range is limited, line construction is complicated, survivability and poor reliability, construction trouble and duration be than shortcomings such as length.
Claims (7)
1. the perimeter protection system based on wireless sensor network comprises wireless monitor node, sensing net center control nodes, monitoring central server and portable monitor terminal, it is characterized in that:
Described wireless monitor node and sensing net center control nodes are arranged in the target zone of protection;
Described wireless monitor node is sent to sensing net center control nodes by the sensor Information Monitoring that extends out and by wireless mode with the information of gathering;
Described sensing net center control nodes is used for setting up cordless communication network, receive the information of described wireless monitor node transmission and utilize data fusion means process information, and the Monitoring Data after will handling is forwarded to monitoring central server by wired mode;
Described monitoring central server is used for storage and analyzes described Monitoring Data and show monitoring information, if find have guarded target invaded, then sends warning, and monitoring information and warning message are sent to portable monitor terminal by wireless mode;
Described portable monitor terminal is by the data of wireless mode access monitoring central server.
2. according to the described perimeter protection system based on wireless sensor network of claim 1, it is characterized in that: described wireless monitor node comprises sensor interface unit, first microprocessor unit and first communication unit, described sensor is electric signal with the information conversion of gathering and sends described electric signal to described first microprocessor unit by sensor interface unit that the first microprocessor unit is wirelessly sent to sensing net center control nodes with described electric signal by described first communication unit.
3. according to the described perimeter protection system based on wireless sensor network of claim 1, it is characterized in that: described sensor comprises infrared sensor, shock sensor and magneto-dependent sensor.
4. according to the described perimeter protection system based on wireless sensor network of claim 2, it is characterized in that: described sensing net center control nodes comprises second microprocessor unit, second communication unit and interface unit, described second communication unit receives the signal of first communication unit transmission and is sent to second microprocessor unit, second microprocessor unit carries out Data Fusion with the signal that receives, and the Monitoring Data after will handling is by the wired monitoring central server that is sent to of interface unit.
5. according to the described perimeter protection system based on wireless sensor network of claim 4, it is characterized in that: described sensing net center control nodes also comprises auxiliary positioning unit, described auxiliary positioning unit with the positional information of sensing net center control nodes successively by second microprocessor unit and the wired monitoring central server that is sent to of interface unit.
6. according to the described perimeter protection system based on wireless sensor network of claim 1, it is characterized in that: described wireless monitor node and sensing net center control nodes adopt the communication of Zigbee wireless self-networking mode.
7. according to the described perimeter protection system based on wireless sensor network of claim 1, it is characterized in that: described portable monitor terminal comprises mobile phone, PDA or panel computer.
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| CN 201320000574 CN203134031U (en) | 2013-01-04 | 2013-01-04 | Perimeter protecting system based on wireless sensor network |
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| CN 201320000574 CN203134031U (en) | 2013-01-04 | 2013-01-04 | Perimeter protecting system based on wireless sensor network |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093563A (en) * | 2013-01-04 | 2013-05-08 | 中国电子科技集团公司第二十八研究所 | Perimeter defense system based on wireless sensor network |
| CN106101645A (en) * | 2016-07-22 | 2016-11-09 | 福建工程学院 | Cable duct based on wireless sensor network transmission of electricity line monitoring system |
| CN108847005A (en) * | 2018-07-05 | 2018-11-20 | 北京宏大和创防务技术研究院有限公司 | Integral network safety defense system and its control method are beaten in unattended examining |
| CN109686028A (en) * | 2018-12-27 | 2019-04-26 | 中国电子科技集团公司第十一研究所 | A kind of mobile intrusion target telemetering alarm combination unit |
| CN110377050A (en) * | 2019-07-03 | 2019-10-25 | 长沙理工大学 | A kind of perimeter security system of combination multiple no-manned plane and optical fiber technology |
| CN111866449A (en) * | 2020-06-17 | 2020-10-30 | 中国人民解放军国防科技大学 | An intelligent video capture system and method |
| CN114241694A (en) * | 2021-12-15 | 2022-03-25 | 广东电网有限责任公司 | Method and system for monitoring external force damage of buried cable |
-
2013
- 2013-01-04 CN CN 201320000574 patent/CN203134031U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093563A (en) * | 2013-01-04 | 2013-05-08 | 中国电子科技集团公司第二十八研究所 | Perimeter defense system based on wireless sensor network |
| CN106101645A (en) * | 2016-07-22 | 2016-11-09 | 福建工程学院 | Cable duct based on wireless sensor network transmission of electricity line monitoring system |
| CN106101645B (en) * | 2016-07-22 | 2022-07-29 | 福建工程学院 | Cable trench transmission line monitoring system based on wireless sensor network |
| CN108847005A (en) * | 2018-07-05 | 2018-11-20 | 北京宏大和创防务技术研究院有限公司 | Integral network safety defense system and its control method are beaten in unattended examining |
| CN109686028A (en) * | 2018-12-27 | 2019-04-26 | 中国电子科技集团公司第十一研究所 | A kind of mobile intrusion target telemetering alarm combination unit |
| CN110377050A (en) * | 2019-07-03 | 2019-10-25 | 长沙理工大学 | A kind of perimeter security system of combination multiple no-manned plane and optical fiber technology |
| CN111866449A (en) * | 2020-06-17 | 2020-10-30 | 中国人民解放军国防科技大学 | An intelligent video capture system and method |
| CN111866449B (en) * | 2020-06-17 | 2022-03-29 | 中国人民解放军国防科技大学 | Intelligent video acquisition system and method |
| CN114241694A (en) * | 2021-12-15 | 2022-03-25 | 广东电网有限责任公司 | Method and system for monitoring external force damage of buried cable |
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Granted publication date: 20130814 Termination date: 20160104 |