CN105957298A - Transmission line damage prevention early warning system based on multi-sensor fusion technology - Google Patents
Transmission line damage prevention early warning system based on multi-sensor fusion technology Download PDFInfo
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- CN105957298A CN105957298A CN201610363127.9A CN201610363127A CN105957298A CN 105957298 A CN105957298 A CN 105957298A CN 201610363127 A CN201610363127 A CN 201610363127A CN 105957298 A CN105957298 A CN 105957298A
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- transmission line
- early warning
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- warning system
- power
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
Abstract
The invention relates to a transmission line damage prevention early warning system based on the multi-sensor fusion technology and belongs to the power grid protection technology field. The early warning system comprises an onsite power source unit, an information acquisition unit, an alarm unit and a main server used for carrying out remote operation, wherein the main server realizes remote information transmission with the information acquisition unit and the alarm unit through the wireless network, the information acquisition unit comprises a laser detector and a video monitor on a pole and a supersonic wave detector hung and fixed on a transmission line, and the alarm unit comprises a high pitch alarm device on the pole and a sound-light alarm device on the transmission line. According to the early warning system, integrated information acquisition is carried out by utilizing multiple types of sensors, accuracy for information acquisition of objects entering a dangerous zone is greatly improved, dangers are eliminated before generation, and effective early warning and driving effects for the objects entering the dangerous zone are realized.
Description
Technical field
The invention belongs to electrical network guard technology field, be specifically related to a kind of based on multi-sensor fusion technology
The tamper-proof early warning system of power transmission line.
Background technology
Along with fast development and the continuous expansion of city size of national economy, transmission line of electricity is more and more closeer
Collection, running environment is increasingly sophisticated, and numerous transmission lines of electricity are across highway, railway, bridge, river, lake
Pool and pass through high mountain, groups of building etc., transmission line of electricity safety the most increasingly by various constructions violating the regulations,
The serious threat of the architecture against regulations, trees violating the regulations, floating thing and bird pest etc..
Transmission line of electricity in all parts of the country is happened occasionally by external force malicious event, and such as, scene, construction site is just
Be in below transmission line of electricity or near, construction appliance (mainly crane, excavator, concrete-agitating
The tall and big construction machinery such as car) in operation, its tall ledge enters transmission line of electricity sometimes
Safe range line in cause circuit to its discharge, even touch be suspended to transmission line of electricity cause tripping operation, power failure thing
Therefore；And for example, transmission line of electricity is when acrossing highway, and due to vehicle super-high, transmission line of electricity lacks alert
Indicating will, causes transmission line of electricity to be destroyed；Also have some transmission lines of electricity when crossing over rivers, large-scale
Steamer, the equipment such as dredger passes through in the case of the most non-loading thing below transmission line of electricity,
Its superelevation part causes the destruction of transmission line of electricity.
Limit for above-mentioned potential safety hazard, hand inspection and system and all can not play good preventive effect,
Once transmission line of electricity is damaged, and loss will be huge, transmission line of electricity potential, destroyed by external force
Danger brings serious threat to transmission line of electricity safe operation, in order to risk factor controls destroying generation
Before, need to develop a kind of preventing damage to power transmission line caused by external force early warning system.
Summary of the invention
The present invention solves the shortcoming that existing transmission line of electricity cannot eliminate potential threat, it is provided that Yi Zhongji
The tamper-proof early warning system of power transmission line in multi-sensor fusion technology, this early warning system uses multiple sensing
Device potential threat is carried out early warning concurrently deliver newspaper alarming information control report to the police, alarm unit destroy occur before
Eliminate danger factor, and multiple sensors is mutually assisted, is complementary to one another, is mutually merged, detection standard
Exactness is high, threaten missing rate low, it is possible to effectively carry out anti-external force damage alarm.
The concrete technical scheme of the present invention is:
A kind of tamper-proof early warning system of power transmission line based on multi-sensor fusion technology, described power transmission line
By spaced tower erection aloft, this early warning system includes the power supply list being arranged on scene on road
Unit, information acquisition unit and alarm unit, and the director server for remote control, power subsystem
Electric energy supply, director server and information acquisition unit, report is provided for information acquisition unit and alarm unit
Carrying out remote information transmission by wireless network between alert unit, key point is, described information gathering
Unit includes that power transmission line is fixed in the laser detector being installed on shaft tower and video monitor and suspension
Ultrasonic detector on road, alarm unit includes the high pitch alarm being arranged on shaft tower and is arranged on
Audible-visual annunciator on transmission line of electricity, the laser beam that laser detector is launched is parallel to the ground and will transmit electricity
Circuit covers.
Described ultrasonic detector is ultrasonic alarm ball, and ultrasonic alarm bag includes the gold of cylinder
Belong to shell and the electricity-fetching module of inside thereof, power management module, wireless communication module, microprocessor and
Ultrasonic sensor modules, microprocessor all electrically connects with other modules, and metal shell both ends of the surface are respectively
Being provided with the circular hole making transmission line of electricity pass, ultrasonic sensor modules includes three ultrasonic sensors,
Metal shell is the most uniform is provided with three ultrasonic emitting holes, three ultrasonic sensors one
One correspondence is installed on inside three ultrasonic emitting holes, and metal shell is additionally provided with and can send to outside
The warning hole of sound and light signal, audible-visual annunciator is installed on inside warning hole.
Described power subsystem is the form of power that sensing power taking combines accumulator, and power subsystem includes CT
Induction energy fetching coil, current rectifying and wave filtering circuit, take can power control circuit, accumulator cell charging and discharging management electricity
Road and steady voltage regulator circuit, transmission line of electricity passes CT induction energy fetching coil, filters then in turn through rectification
Wave circuit, take and can be formed accumulator is filled after power control circuit and accumulator cell charging and discharging management circuit
Electricity circuit, accumulator forms accumulator after accumulator cell charging and discharging management circuit and steady voltage regulator circuit
Discharge circuit.
Described accumulator is ultracapacitor or colloid battery.
Described wireless network is GSM network or 3G network.
Described early warning system is additionally provided with mobile terminal and is connected with director server by wireless network.
The invention has the beneficial effects as follows: the present invention carries out danger by the multiple types sensor of site layout project
The seizure collection of information, relates to laser detector, ultrasonic detector and video monitor, and laser is visited
Survey device and whether can gather metal class dangerous goods near transmission line of electricity, it is possible to avoid metallic objects pair
The impact damage of transmission line of electricity, but it can not gather the threat of non-metal article, and ultrasonic detector
Can make up this leak of laser detector, two kinds of detectors are complementary to one another, cooperate so that
The article entering deathtrap can be detected out exhaustive, the accuracy rate of multisensor joint-detection
Significantly improve, after confirming to threaten, the high pitch alarm on shaft tower and the audible-visual annunciator on transmission line of electricity
Start and also dangerous goods expelled, such as automobile, ship, birds etc., be finally reached risk factor away from
The purpose of alarm region, operator can view the concrete condition at scene by video monitor,
Detection fault rate thoroughly can be reduced to zero, it is to avoid the inefficacy of information acquisition unit in early warning system.
Accompanying drawing explanation
Fig. 1 is the structural representation of early warning system in the present invention.
Fig. 2 is the structural representation of ultrasonic detector in the present invention.
Fig. 3 is the operation principle schematic diagram of early warning system in the present invention.
Fig. 4 is the operation principle schematic diagram of power subsystem in the present invention.
In accompanying drawing, 1, transmission line of electricity, 2, shaft tower, 3, director server, 4, laser detector, 5,
High pitch alarm, 6, video monitor, 7, ultrasonic detector, 701, metal shell, 702,
Ultrasonic sensor, 703, ultrasonic emitting hole, 704, audible-visual annunciator, 705, warning hole, 8,
Laser beam, 9, CT induction energy fetching coil, 10, current rectifying and wave filtering circuit, 11, take can power control circuit,
12, accumulator cell charging and discharging management circuit, 13, steady voltage regulator circuit, 14, accumulator, 15, mobile
Terminal.
Detailed description of the invention
The present invention relates to a kind of tamper-proof early warning system of power transmission line based on multi-sensor fusion technology, institute
The transmission line of electricity 1 stated is erected in the air by spaced shaft tower 2, and this early warning system includes arranging
Power subsystem, information acquisition unit and alarm unit at the scene, and the total clothes for remote control
Business device 3, power subsystem provides electric energy supply, director server 3 for information acquisition unit and alarm unit
And carry out remote information transmission by wireless network between information acquisition unit, alarm unit, described
Information acquisition unit includes the laser detector 4 being installed on shaft tower 2 and video monitor 6 and hangs
Hanging the ultrasonic detector 7 being fixed on transmission line of electricity 1, alarm unit includes being arranged on shaft tower 2
High pitch alarm 5 and the audible-visual annunciator 704 being arranged on transmission line of electricity 1, laser detector 4 is launched
Laser beam 8 parallel to the ground and transmission line of electricity 1 is covered.
Specific embodiment, as shown in Figures 1 to 4, existing sensing power taking is all to use direct energy supply
Or the mode of energy supply indirectly, owing on transmission line of electricity 1, electric current size variation amplitude is big, direct energy supply
The steady operation of early warning system can not be ensured well, and energy supply control circuit is complicated indirectly, battery frequency
Numerous discharge and recharge poor reliability, therefore, have employed custom-designed knockdown energy-provision way in the present invention,
When bus load current is enough, use the direct energy supply of electromagnetic induction, keep accumulator 14 to be full of simultaneously
Electricity, when states such as electric current deficiency or power failures, using accumulator 14 power supply is main mode, power supply
Unit is that sensing power taking combines the form of power of accumulator 14, accumulator 14 be ultracapacitor or
Colloid battery, power subsystem includes CT induction energy fetching coil 9, current rectifying and wave filtering circuit 10, taking can power
Control circuit 11, accumulator cell charging and discharging management circuit 12 and steady voltage regulator circuit 13, relate in power supply
Each circuit all take existing circuit form, transmission line of electricity 1 makes through CT induction energy fetching coil 9
It induces voltage, and then in turn through current rectifying and wave filtering circuit 10, taking can power control circuit 11 and storage
Accumulator 14 is charged by battery charging and discharging management circuit 12, and accumulator 14 is through accumulator charge and discharge
Fulgurite reason circuit 12 discharges, and is then passed through steady voltage regulator circuit 13 and powers to power unit, should
Power subsystem has three kinds of states.State 1: on transmission line of electricity, electric current is the least is not enough so that power subsystem
In circuit work, power subsystem is in inactive state, not to load output voltage and power；Shape
State 2: on transmission line of electricity, electric current is sufficiently large, time the biggest, now taking can power control circuit 11
Control to take the power of energy, after the full energy of accumulator storage, the power of acquirement and the power of load consumption
Equal, that strict restriction is unnecessary energy entrance circuit, protection circuit normally works；State 3: power transmission line
On road 1, electric current can make device startup work, but when the energy obtained is less than the power loaded, circuit
It is in intermittent operation；Power-supply circuit in this power subsystem takes energy with maximal efficiency, and is energy storage
Circuit charges, and before the full energy of accumulator storage, first not to load output voltage and power, works as storage
After the full energy of energy circuit storage, then to load supplying, when power subsystem is in non-opening, energy storage
Load can be powered by circuit i.e. accumulator 14, it is ensured that the power subsystem uninterrupted power supply to load.
Information acquisition unit and alarm unit all carry out information biography by wireless network and director server 3
Passing, wireless network is GSM network or 3G network, and early warning system is additionally provided with mobile terminal 15 and leads to
Crossing wireless network to be connected with director server 3, mobile terminal 15 is chosen as mobile phone, and operator are by moving
Director server can be controlled by dynamic terminal 15 whenever and wherever possible, the application of laser detector 4 be based on
Pulse type laser range finding, laser detector 4 is installed on shaft tower 2, and its protection object is to next
Transmission line of electricity 1 between individual shaft tower 2, the laser beam 8 that laser detector 4 is launched can be by transmission line of electricity
1 overall covering, transmission line of electricity 1 is among the encirclement of laser beam 8, swarms into transmission of electricity when there being metal object
Time in the strong-electromagnetic field that circuit 1 surrounding produces, the electromagnetic field around transmission line of electricity 1 can change,
Laser sensor circuit in laser detector 4 launches laser beam 8, and samples, detects this magnetic field intensity
Change, it is achieved detection and the identification to metal object, its principle is the Doppler effect of laser, laser
The magnetic field intensity information collected is sent to director server 3 and is analyzed and judges whether by detector 4
Metal object is had to enter the search coverage that transmission line of electricity 1 surrounding laser beam 8 covers, if it has, then report
High pitch alarm 5 in alert unit carries out high pitch warning around shaft tower 2, and audible-visual annunciator 704 exists
Sound and flashing light alarm, the length in service life of this kind of laser detector, consumption is carried out around transmission line of electricity 1
Electricity is little, and detection rate of failing to report is low, and the span scope that can detect reaches about 500 meters, but it is not
Non-metallic objectsit is not a metal object can be caught and enter the situation around transmission line of electricity 1.
Ultrasonic detector 7 is ultrasonic alarm ball, and ultrasonic alarm bag includes outside the metal of cylinder
Shell 701 and the electricity-fetching module of inside thereof, power management module, wireless communication module, microprocessor and
Ultrasonic sensor modules, microprocessor all electrically connects with other modules, metal shell 701 both ends of the surface
Being respectively arranged with the circular hole making transmission line of electricity pass, ultrasonic sensor modules includes that three ultrasound wave pass
Sensor 702, metal shell 701 is the most uniform is provided with three ultrasonic emitting holes 703, and three
Individual ultrasonic sensor 702 one_to_one corresponding is installed on inside three ultrasonic emitting holes 703, outside metal
Shell 701 is additionally provided with the warning hole 705 that can send sound and light signal to outside, audible-visual annunciator 704
Being installed on inside warning hole 705, circular arc enclosure designs guarantees to have little influence on around transmission line of electricity 1
The distribution of high voltage electric field, also will not produce corona discharge, and ultrasonic alarm ball is with ultrasonic ranging for inspection
Surveying principle, measure the surrounding objects distance to spheroid continuously, three ultrasonic sensors 702 uniformly divide
Cloth is on the circumference of cylindrical metal shell 701, and the angle between each two is 120 degree, and three surpass
Sonic sensor can cover 360 degree of scopes around metal shell 701, once has object to spheroid
Distance less than set distance value time, the audible-visual annunciator in ultrasonic alarm ball will flash and
Audible ringing signal, but also this warning message can be sent to director server 3, on shaft tower 2
High pitch alarm 5 also is able to send high pitch around shaft tower 2 and reports to the police, the detection of ultrasonic detector 7
Distance is shorter, but its capacity of resisting disturbance is strong, and it combines laser detector 4 can form a complementation mutually
The information acquisition unit filled, it is ensured that the reliability of sampling when danger is close.
Video monitor 6 is installed on shaft tower 2, and it is started by warning or remote activation, for joint
Saving power consumption, it is in holding state at ordinary times, when having detected that object enters around transmission line of electricity 1
During region, video monitor 6 is activated, the photo of floor or video, then with alarm signal
Breath is sent to director server 3 together, for providing the image information at scene, this video for operator
Watch-dog 6 can also pass through director server 3 remote activation, for remotely checking the situation that circuit is on-the-spot.
High pitch alarm 5 selects loudspeaker alarm, loudspeaker alarm to be installed on shaft tower 2,
It is by startup of reporting to the police, it is also possible to remotely controlled by director server 3 to start, due to director server 3 also
Connecting has remote terminal 15 to be controlled by GSM/GPRS, and therefore, this loudspeaker alarm is also
Directly can be propagandaed directed to communicate by remote terminal 15, remind scene and dangerous objects related personnel to note far
From transmission line of electricity 1, expelling effect for object in deathtrap can be more preferably.
In the detection technique of foreign body intrusion, laser and ultrasound wave are all widely used, at power transmission line
In the practice that the anti-external force in road 1 is destroyed, both approaches is respectively arranged with again pluses and minuses, just can be complementary to one another,
Realize more reliable anti-external force damage alarm.Reason is as follows: 1) utilize laser detection transmission line of electricity magnetic field
The method of change is only effective to the superelevation metal object entering protection zone, it is impossible to enter non-metallic objectsit is not a metal object
Row detection, whether ultrasonic ranging is not that metal is affected by object；2) ultrasonic listening is
Big distance is less than 15 meters, and the length along line direction that ultrasonic alarm can be protected is not more than 15
Rice, for the line span of 200 meters～400 meters, this protection domain is limited, and it is the most permissible
Made up by laser acquisition method.
The present invention is directed to the safety problem of transmission line of electricity 1, be provided for safe and reliable anti-timely outside
Power means of destruction, meanwhile, greatly overcomes transmission line of electricity 1 anti-external force destruction and can only lean on Traditional Man
The drawback of the means such as line walking, improves informationization and the intelligent level of transmission line of electricity 1 protection, this
Bright proposition transmission line of electricity based on multi-sensor fusion technology 1 monitors theory, uses and is installed on shaft tower 2
The laser detector 4 at middle part, video monitor 6 and the ultrasound wave being directly mounted on transmission line of electricity 1 are visited
Survey device 7 carry out the collection of dangerous information and carry out overall fusion, enter zone of alarm when being detected with foreign object
During territory, start video monitor 6 and high pitch alarm 5, carrying out while warning expels, to scene
Carry out evidence obtaining of taking pictures, after ultrasonic detector 7 detects foreign object invasion, start audible-visual annunciator immediately
704, it is possible to trigger the video monitor 6 and high pitch alarm 5 being installed on shaft tower 2, implement linkage
Reporting to the police, stop outer broken further generation, transmission line of electricity 1 can be monitored by the present invention effectively,
Improve the intelligentize and informatization level of transmission line of electricity 1 protection.
Claims (6)
1. the tamper-proof early warning system of power transmission line based on multi-sensor fusion technology, described transmission of electricity
Circuit (1) is erected in the air by spaced shaft tower (2), and this early warning system includes being arranged on
On-the-spot power subsystem, information acquisition unit and alarm unit, and the total service for remote control
Device (3), power subsystem provides electric energy supply, director server (3) for information acquisition unit and alarm unit
And carry out remote information transmission by wireless network between information acquisition unit, alarm unit, its feature
Be: described information acquisition unit include the laser detector (4) that is installed on shaft tower (2) and
The ultrasonic detector (7) that video monitor (6) and suspension are fixed on transmission line of electricity (1),
Alarm unit includes the high pitch alarm (5) being arranged on shaft tower (2) and is arranged on transmission line of electricity (1)
On audible-visual annunciator (704), the laser beam (8) that laser detector (4) is launched is parallel to the ground
And transmission line of electricity (1) is covered.
A kind of power transmission line based on multi-sensor fusion technology the most according to claim 1 is tamper-proof
Early warning system, it is characterised in that: described ultrasonic detector (7) is ultrasonic alarm ball, ultrasonic
Ripple alarm ball includes metal shell (701) and the electricity-fetching module of inside, the power management mould of cylinder
Block, wireless communication module, microprocessor and ultrasonic sensor modules, electricity-fetching module is through power supply pipe
Electrically connecting with other modules after reason module, microprocessor all electrically connects with other modules, metal shell
(701) both ends of the surface are respectively arranged with the circular hole making transmission line of electricity pass, and ultrasonic sensor modules includes
Three ultrasonic sensors (702), metal shell (701) is the most uniform to be provided with three and surpasses
Acoustic emission hole (703), three ultrasonic sensor (702) one_to_one corresponding are installed on three ultrasound wave
Launch hole (703) inner side, metal shell (701) is additionally provided with and can send sound and light signal to outside
Warning hole (705), audible-visual annunciator (704) be installed on warning hole (705) inner side.
A kind of power transmission line based on multi-sensor fusion technology the most according to claim 1 is tamper-proof
Early warning system, it is characterised in that: described power subsystem combines accumulator (14) for sensing power taking
Form of power, power subsystem includes CT induction energy fetching coil (9), current rectifying and wave filtering circuit (10), takes
Energy power control circuit (11), accumulator cell charging and discharging management circuit (12) and steady voltage regulator circuit (13),
Transmission line of electricity (1) pass CT induction energy fetching coil (9), then in turn through current rectifying and wave filtering circuit (10),
Take energy power control circuit (11) and accumulator cell charging and discharging management circuit (12) is formed afterwards to accumulator
(14) charging circuit, accumulator (14) is through accumulator cell charging and discharging management circuit (12) and surely
Voltage regulator circuit (13) forms the discharge circuit of accumulator afterwards.
A kind of power transmission line based on multi-sensor fusion technology the most according to claim 3 is tamper-proof
Early warning system, it is characterised in that: described accumulator (14) is ultracapacitor or colloid battery.
A kind of power transmission line based on multi-sensor fusion technology the most according to claim 1 is tamper-proof
Early warning system, it is characterised in that: described wireless network is GSM network or 3G network.
A kind of power transmission line based on multi-sensor fusion technology the most according to claim 1 is tamper-proof
Early warning system, it is characterised in that: described early warning system is additionally provided with mobile terminal (15) and passes through nothing
Gauze network is connected with director server (3).
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| CN201610363127.9A CN105957298A (en) | 2016-05-27 | 2016-05-27 | Transmission line damage prevention early warning system based on multi-sensor fusion technology |
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| CN106816041A (en) * | 2017-03-24 | 2017-06-09 | 广州环名科技有限公司 | For the equipment of ship alarm and the evidence obtaining violating the regulations of Great span ultra-high-tension power transmission line |
| CN106971478A (en) * | 2017-03-14 | 2017-07-21 | 国网宁夏电力公司固原供电公司 | The anti-external force damage monitoring system of overhead transmission line and monitoring device |
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Application publication date: 20160921 |