CN103913675A - Streetlamp cable burglary prevention detecting and positioning method - Google Patents
Streetlamp cable burglary prevention detecting and positioning method Download PDFInfo
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- CN103913675A CN103913675A CN201410108664.XA CN201410108664A CN103913675A CN 103913675 A CN103913675 A CN 103913675A CN 201410108664 A CN201410108664 A CN 201410108664A CN 103913675 A CN103913675 A CN 103913675A
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Abstract
The invention provides a streetlamp cable burglary prevention detecting and positioning method. The method comprises the steps of (1) device deployment, (2) calibration of monitored cables and detecting modules, (3) numbering of tail end detecting modules, (4) switching of power supply modes, (5) burglary prevention detecting and positioning and (6) burglary prevention early warning. According to the method, an optical fiber cascading mode is introduced, so that detecting and positioning of stolen cables are reliably and accurately achieved. Due to the face that the power supply mode that a lithium battery and alternating currents are combined is adopted, real-time reliable detecting and alarming to stolen cable lines of a streetlamp can be achieved under the condition of power on and power off. Early warning is conducted on the stolen position and the line in the mode that an electronic map and a short message are combined, and the handling efficiency is effectively improved. The tail end detecting modules can be selectively mounted on corresponding streetlamp rods according to needs, and cost can be better controlled.
Description
Technical field
the present invention relates to cable anti-theft alarm field, particularly a kind of for the antitheft detection of road lighting cable, location and alarm method.
Background technology
along with social development, city illumination has become an important component part that has become urban construction, wherein street lighting is the main body of all kinds of illuminations in city, therefore also increasing fast for the quantity of the power cable of street lighting, and for light conduits pilferage activity also ferocious sticking up day by day, the antitheft work of related management department becomes difficult, and the frequent pilferage activity occurring brings many factors leading to social instability to society, has also caused huge economic loss.For this reason, various cable anti-theft alarm systems also arise at the historic moment, and the stolen phenomenon of cable has been played to certain effect.Although current existing anti-theft detection method for road lamp cable is a lot, mainly can be summed up as Current and voltage detecting method, Capacitance detecting method, power line carrier communication detection method and radio communication detection method, and power line carrier, PLC detection method is because it implements the convenient one preferred technique that has become many cable theft-prevention detection methods, for example patent [CN103366478A] discloses a kind of employing power line communication and has realized cable theft-prevention detection in conjunction with heartbeat packet mode, but detecting rule, power line carrier communication affected by power line interference, and then easily produce false alarm, the short deficiency that waits of communication distance.Patent [CN203249988U] has provided a kind of by sending electric impulse signal to power cable armouring screen layer, and proportion of utilization method and relative method are carried out reflection point positioning, and then realize the scheme of the antitheft detection of power cable, same this scheme is owing to adopting electric signal, easily be subject to extraneous interference, be also difficult to adapt to the antitheft detection of power cable of long transmission line simultaneously; And patent [CN101937600A] has been invented on a kind of all street lamps in detected circuit and the power impedor of the United Nations General Assembly's resistance, and the method that the magnitude of voltage that utilizes analog to digital converter to measure high-accuracy build-out resistor changes judges that whether cable is cut, and can judge rapidly the distance of disconnected cable apart from cable initiating terminal, its deficiency is mainly on all street lamps, all to want the also power impedor of the United Nations General Assembly's resistance, increased enforcement difficulty and cost, the measurement that the magnitude of voltage of high-accuracy build-out resistor changes simultaneously has also increased difficulty to System Implementation.Therefore, at road lighting cable anti-theft technique, how can fast and reliable realize stolen early warning, realize the accurate location of stolen position simultaneously, realizing on this basis quick response is still a urgent problem.
Summary of the invention
the object of the invention is to propose the antitheft detection of a kind of road lighting cable and localization method, it has overcome the deficiencies in the prior art, has realized in the reliable detection that has electricity and power down mode to road lighting cable, early warning and has located fast.
for achieving the above object, the present invention proposes the antitheft detection of a kind of road lighting cable based on optical fiber cascade and localization method, its step is as follows:
(1) device is disposed: at the initiating terminal of detected illuminating line, main detection module is installed, with the parallel twin-core fiber (this optical fiber also can be directly and cable be combined into composite cable form) of installing of power cable, end point detection module is installed at each light pole place, and optical fiber is connected with its transmitting-receiving port, and then realizes the cascade of optical fiber.Equally, end point detection module also as required every n light pole place install one, the light pole place of end point detection module is not installed by the cold connection of optical fiber of two sections of front and back;
(2) demarcation of monitored cable and detection module: position and the device id number of walking line position and main detection module and end point detection module of each section of cable in monitoring is demarcated monitored illuminating line in main control server, and set up the management account of detection module and monitored cable;
(3) numbering of end point detection module: send 0x1 data by optical fiber by main detection module, first the communication numbering of receiving the end point detection module oneself of this information is set to 0x1, send 0x2 data and return ACK to its front end optical fiber to its rear end optical fiber simultaneously, the communication numbering of receiving the end point detection module oneself of 0x2 information is set to 0x2, send 0x3 data and return ACK to its front end optical fiber to its rear end optical fiber simultaneously, be to add 1 on the basis of the numbering data received at it of each end point detection module, sending to its rear end optical fiber, simultaneously to its front end optical fiber passback ACK, the like.When certain end point detection module send to its rear end optical fiber 0xn data in official hour Δ T, do not receive ACK send to its front end optical fiber after OK+0x (n-1) data, and upload to step by step main detection module by each end point detection module, this end point detection module stops end point detection module by oneself being designated simultaneously.Complete on this basis the communication numbering of end point detection module;
(4) power supply mode is switched: each detection module comprises alternating current detection sub-module, if alternating current detected, system automatically switches to AC-powered state, and can realize the charging to lithium battery; Otherwise be switched to lithium battery power supply state; Can normally work to ensure system under electricity and power down mode;
(5) antitheft detection and location: main detection module regularly produces transmission information at random by certain coding rule, and send this information from transmitting terminal to optical fiber, end point detection module returns to transmit leg after receiving the communication code that this information is added after this information to this end point detection module, this information is forwarded to its rear end optical fiber simultaneously, the like, until stop end point detection module.If main detection module can be received the back information of the end point detection module that is numbered 0xn, represent from main detection module normal to being numbered cable the end point detection module of 0xn, if the continuous Δ of main detection module can't accept the back information of the end point detection module that is numbered 0xn for C time, think that being numbered 0x (n-1) is cut to the cable between the end point detection module of 0xn, detection module is uploaded stolen information by GPRS to monitoring main control server simultaneously;
(6) anti-theft early-warning: monitoring main control server is receiving after the warning message that detection module sends over, to, in Surveillance center with electronic chart and sound and light signal form prompting warning message and occurrence positions and circuit, notify related personnel mobile phone with short message mode simultaneously.
the invention has the beneficial effects as follows, (1), by introducing the mode of optical fiber cascade, can reliably realize the stolen detection of cable and location exactly; (2), due to the work power supply mode that has adopted lithium battery and alternating current to combine, realization real-time reliable detection and the warning stolen to street lamp cable line under electricity and power-off condition can had; (3) integrated electronics map and the stolen position of short message mode early warning and circuit, effectively improved disposal efficiency; (4) end point detection module as required selectivity be arranged on corresponding light pole place, be conducive to control cost.
Accompanying drawing explanation
fig. 1 is the process flow diagram of anti-theft detection method for road lamp cable of the present invention.
fig. 2 is the structural drawing of the antitheft detection of road lighting cable of the present invention.
Embodiment
below in conjunction with accompanying drawing, the present invention is described further:
As shown in Figure 2, the primary structure of anti-theft detection method of the present invention comprises monitoring main control server, main detection module and end point detection module composition.Monitoring main control server has been realized sound and light alarm, and the electronic chart of cable, detection module and alert locations shows, short message receiving-transmitting, and the functions such as circuit and the management of detection module account have realized the radio communication with main detection module simultaneously.Main detection module comprises main control unit MCU, alternating current detection sub-module, charging/holding circuit, lithium battery, GPRS communicator module and optical fiber transceiving submodule; End point detection module comprises main control unit MCU, alternating current detection sub-module, charging/holding circuit, lithium battery and optical fiber transceiving submodule.Wherein whether alternating current monitoring submodule is for detection of being Alternating Current Power Supply on tested power circuit; Charging/holding circuit is for the switching of the powering mode that installs and the charge protection to lithium battery; Optical fiber receiver-transmitter module is for receiving and dispatching fiber-optic signal; The work of whole module is coordinated by MCU; GPRS communicator module in main detection module is for realizing and monitoring communicating by letter of main control server.
as shown in Figure 2; all lithium batteries of two kinds of detection module bands; can in the time of AC outage, work; realized the switching of powering mode by the charging/holding circuit in module; in the time that illuminating power circuit has alternating current; module adopts alternating-current power supply, and module adopts lithium battery power supply in the time of AC outage, and charging/holding circuit can determine whether charge according to the electric weight of lithium battery.Therefore, the present invention can be to there being the power cable under electricity and power down mode to carry out antitheft detection.
as shown in Figure 2, end point detection module comprises two-way optical fiber transceiving interface, can realize the cascade of optical fiber.
the concrete implementing procedure of anti-theft detection method for road lamp cable provided by the invention as shown in Figure 1.
(1) step in Fig. 1 (a1) finishing device is disposed, at the initiating terminal of detected cable, main detection module is installed, with the parallel twin-core fiber of installing of power cable, an end point detection module is installed at every n light pole place as required, optical fiber is realized cascade at each end point detection module place, the light pole place of end point detection module is not installed by the cold connection of optical fiber of two sections of front and back.General n can value be that the less positioning precision of 1 ~ 10, n value is higher.
?(2) account that the step in Fig. 1 (a2) completes monitored cable and various detection modules is set up and parameter calibration, mainly comprises the relevant information registrations such as the location position of each detection module and No. ID, and the information such as the place on line of monitored each section of cable.
(3) step in Fig. 1 (a3) completes the numbering of end point detection module, send 0x1 data by main detection module by optical fiber, first the communication numbering of receiving the end point detection module oneself of this information is set to 0x1, send 0x2 data and return ACK to its front end optical fiber to its rear end optical fiber simultaneously, the communication numbering of receiving the end point detection module oneself of 0x2 information is set to 0x2, send 0x3 data and return ACK to its front end optical fiber to its rear end optical fiber simultaneously, be to add 1 on the basis of the numbering data received at it of each end point detection module, sending to its rear end optical fiber, simultaneously to its front end optical fiber passback ACK, the like.When certain end point detection module send to its rear end optical fiber 0xn data in official hour Δ T, do not receive ACK send to its front end optical fiber after OK+0x (n-1) data, and upload to step by step main detection module by each end point detection module, this end point detection module stops end point detection module by oneself being designated simultaneously.Complete on this basis the communication numbering of end point detection module.Conventionally Δ T was set to about 1 second.
(3) step in Fig. 1 (a4) ~ (a7) realizing power supply mode for all kinds of detection modules switches, be that step (a4) is to complete by the alternating current detection sub-module in detection module the detection that whether power circuit is had to alternating current, if there is alternating current, realize the ac power supply method of detection module in step (a6), otherwise realize lithium battery power supply mode by step (a7).
(4) step in Fig. 1 (a8) ~ (a17) for realizing antitheft detection and location, regularly produce at random transmission information by certain coding rule by main detection module by step (a9), and send this information from transmitting terminal to optical fiber, receive information by step (a10) from end point detection module; End point detection module forwards detection signal by step (a11) return path signal with by step (a12) to next stage on this basis.If last end point detection module does not need to forward detection signal.Each answer signal all comprises the communication numbering of replying terminus module.If the continuous Δ of main monitoring modular is accepted the answer signal failure of the end point detection module that is numbered 0xn for C time, think and be cut at the cable of the end point detection module time that is numbered 0x (n-1) and 0xn, upload stolen information by GPRS to monitoring main control server by step (a18) by main detection module simultaneously.Δ C herein can be set to 2 ~ 5.
(5) step in Fig. 1 (a19) and (a20) for realizing early warning, monitoring main control server is receiving after the warning message that detection module sends over, to, in Surveillance center with electronic chart and sound and light signal form prompting warning message and occurrence positions and circuit, notify related personnel mobile phone by step (a20) with short message mode by step (a19) simultaneously.
Claims (1)
1. the antitheft detection of road lighting cable and a localization method, is characterized in that comprising the steps:
(1) device is disposed: at the initiating terminal of detected illuminating line, main detection module is installed, with the parallel twin-core fiber of installing of power cable, this optical fiber also can be directly and cable be combined into composite cable form, end point detection module is installed at each light pole place, and optical fiber is connected with its transmitting-receiving port, and then realize the cascade of optical fiber, equally, end point detection module also as required every n light pole place install one, the light pole place of end point detection module is not installed by the cold connection of optical fiber of two sections of front and back;
(2) demarcation of monitored cable and detection module: position and the device id number of walking line position and main detection module and end point detection module of each section of cable in monitoring is demarcated monitored illuminating line in main control server, and set up the management account of detection module and monitored cable;
(3) numbering of end point detection module: send 0x1 data by optical fiber by main detection module, first the communication numbering of receiving the end point detection module oneself of this information is set to 0x1, send 0x2 data and return ACK to its front end optical fiber to its rear end optical fiber simultaneously, the communication numbering of receiving the end point detection module oneself of 0x2 information is set to 0x2, send 0x3 data and return ACK to its front end optical fiber to its rear end optical fiber simultaneously, be to add 1 on the basis of the numbering data received at it of each end point detection module, sending to its rear end optical fiber, simultaneously to its front end optical fiber passback ACK, the like, when certain end point detection module send to its rear end optical fiber 0xn data in official hour Δ T, do not receive ACK send to its front end optical fiber after OK+0x (n-1) data, and upload to step by step main detection module by each end point detection module, this end point detection module stops end point detection module by oneself being designated simultaneously, complete on this basis the communication numbering of end point detection module,
(4) power supply mode is switched: each detection module comprises alternating current detection sub-module, if alternating current detected, system automatically switches to AC-powered state, and can realize the charging to lithium battery; Otherwise be switched to lithium battery power supply state; Can normally work to ensure system under electricity and power down mode;
(5) antitheft detection and location: main detection module regularly produces transmission information at random by certain coding rule, and send this information from transmitting terminal to optical fiber, end point detection module returns to transmit leg after receiving the communication code that this information is added after this information to this end point detection module, this information is forwarded to its rear end optical fiber simultaneously, the like, until stop end point detection module, if main detection module can be received the back information of the end point detection module that is numbered 0xn, represent from main detection module normal to being numbered cable the end point detection module of 0xn, if the continuous Δ of main detection module can't accept the back information of the end point detection module that is numbered 0xn for C time, think that being numbered 0x (n-1) is cut to the cable between the end point detection module of 0xn, detection module is uploaded stolen information by GPRS to monitoring main control server simultaneously,
(6) anti-theft early-warning: monitoring main control server is receiving after the warning message that detection module sends over, to, in Surveillance center with electronic chart and sound and light signal form prompting warning message and occurrence positions and circuit, notify related personnel mobile phone with short message mode simultaneously.
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| CN201410108664.XA CN103913675A (en) | 2014-03-24 | 2014-03-24 | Streetlamp cable burglary prevention detecting and positioning method |
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| CN201410108664.XA CN103913675A (en) | 2014-03-24 | 2014-03-24 | Streetlamp cable burglary prevention detecting and positioning method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108470414A (en) * | 2018-05-31 | 2018-08-31 | 深圳市中科智联科技有限公司 | Cable anti-theft device and system |
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| ES1100006U (en) * | 2013-07-09 | 2014-02-12 | Jorge IBARZ PONTNOU | Electronic device based on fiber optic cable to avoid copper cable subtraction (Machine-translation by Google Translate, not legally binding) |
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Patent Citations (5)
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| CN1801403A (en) * | 2005-01-09 | 2006-07-12 | 谢志浩 | Anti-theft cable |
| WO2007031891A1 (en) * | 2005-09-12 | 2007-03-22 | Koninklijke Philips Electronics N.V. | Method to determine a relative position of devices in a network, and network of devices for carrying out the method |
| CN202352010U (en) * | 2011-12-12 | 2012-07-25 | 河南省电力公司开封供电公司 | Antitheft positioning device for underground optical cable |
| CN102722952A (en) * | 2012-07-04 | 2012-10-10 | 镇江智拓智能科技发展有限公司 | Streetlamp cable anti-theft detection method and streetlamp cable anti-theft detection device |
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Cited By (1)
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| CN108470414A (en) * | 2018-05-31 | 2018-08-31 | 深圳市中科智联科技有限公司 | Cable anti-theft device and system |
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Application publication date: 20140709 |