CN107064735A - A kind of transmission line malfunction Visualized Monitoring System and method - Google Patents
A kind of transmission line malfunction Visualized Monitoring System and method Download PDFInfo
- Publication number
- CN107064735A CN107064735A CN201710169456.4A CN201710169456A CN107064735A CN 107064735 A CN107064735 A CN 107064735A CN 201710169456 A CN201710169456 A CN 201710169456A CN 107064735 A CN107064735 A CN 107064735A
- Authority
- CN
- China
- Prior art keywords
- power
- module
- transmission line
- frequency voltage
- failure trigger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention relates to a kind of transmission line malfunction Visualized Monitoring System and method, monitoring system includes front-end acquisition device, central station and monitor terminal；Front-end acquisition device includes failure trigger module, video monitoring module and power module；Failure trigger module gathers the power current and/or power-frequency voltage of transmission pressure or ground wire, and carries out data processing to form fault verification condition.Failure trigger module monitors transmission line status parameter and controls video monitoring module to catch and record transmission line malfunction evolution in real time；Central station obtains live reported data and carries out data processing with diagnosing and diagnostic result being sent into monitor terminal.The present invention reduces monitoring system overall power by way of the video monitoring module that low-power consumption failure trigger module wakes up high power consumption carries out video capture, reduce the upload amount of repeatable video information, fault progression process is able to record that simultaneously, searching failure cause for power department provides foundation.
Description
Technical field
Correlative technology field is monitored on-line the present invention relates to transmission line of electricity, and more particularly to a kind of transmission line malfunction is visual
Change monitoring system and method, be mainly used in the monitoring, diagnosis and early warning of transmission line malfunction.
Background technology
Transmission line of electricity is chronically exposed in field, is easily waved by thunder and lightning, filth, animals and plants, wind, mountain fire, icing
Etc. the influence of the external force destruction such as various natural causes and mechanical execution, shaft tower theft, in addition, circuit longtime running, equipment by
The problems such as to lasting mechanical tension, electric flashover and material aging, insulator, gold utensil, wire are likely to occur damage, may
The defects such as the self-destruction of generation insulator, crack and filth, if detecting and changing not in time, may cause the event such as line tripping
Barrier.After transmission line of electricity breaks down, O＆M maintenance department need to be quickly found out trouble point and recover in time, reduce economic loss.
In order to improve malfunction elimination speed, power system is generally equipped with fault location system, fault location main at present
Technology includes the failure wave-recording based on impedance method, interior traveling wave positioning of standing, the distributed traveling wave positioning of circuit etc..O＆M maintainer's base
In the analysis result of fault location system, live corresponding shaft tower and neighbouring shaft tower is then gone manually to be patrolled.But it is due to fixed
It is unobvious to there is vestige after deviation, site environment are severe, partial fault occurs in position result, often lead to trouble point be difficult to find and
It is determined that；And failure may cause damage to equipment, if finding and handling not in time, even more serious circuit event may be caused
Barrier.
Existing monitoring system often uses non-stop run in 24 hours, is persistently shot, its power consumption is higher, using too
Sun can power often because rainy weather causes system dead electricity can not normal work, further, since its shooting shortage purpose, on
The mass data of biography is repeated data, is not easy to power transmission line intelligentization management.
The content of the invention
It can not even be found for the inspection of current power transmission line fault point is difficult, passage visualization shoots lack of targeted
Problem, proposes a kind of transmission line malfunction Visualized Monitoring System and method, is supervised in real time by using the relatively low sensor of power
Transmission line status is surveyed, once meeting trigger condition, then starts corresponding camera and carries out video capture, record fault in-situ feelings
Condition transfers before and after the transmission line malfunction moment video information in certain period of time, and fault video is uploaded into central station, together
When send fault message to related director, including trouble point and fault type, make related personnel's very first time scene of grasping former
Barrier situation.
Transmission line malfunction Visualized Monitoring System, including front-end acquisition device, central station and monitor terminal；Front-end collection
Device is connected with central station, and field data is uploaded to central station by front-end acquisition device by wireless transmission method；Central station with
Monitor terminal is connected, and central station is handled and diagnosed to the field data received and diagnostic result is sent into monitoring eventually
End；
Front-end acquisition device includes failure trigger module, video monitoring module and power module；Failure trigger module includes
Fault characteristic value in sensor assembly and microprocessor module, sensor assembly harvester mount point monitoring range, micro- place
Reason device module is connected with sensor assembly, and the signal that microprocessor module is exported to sensor assembly carries out data processing and judged
Whether failure trigger module is triggered；Whether failure trigger module control video monitoring module is caught and is recorded transmission line of electricity event
The evolution of barrier, failure trigger module is connected with video monitoring module, power module respectively with failure trigger module and video
Monitoring module is connected, and power module is that failure trigger module and video monitoring module are powered.
Above-mentioned power module includes sensing power taking power module, and/or solar energy power taking power module；Sense power taking power supply
Module includes induction energy fetching unit, impact protection circuit, current rectifying and wave filtering circuit, overvoltage crowbar, charging circuit and energy storage electricity
Pond；Induction energy fetching unit include be sleeved on transmission pressure can open and close type annular core, be wound on secondary on annular core
Coil, induction energy fetching unit is connected with impact protection circuit, and impact protection circuit is connected with current rectifying and wave filtering circuit, rectifying and wave-filtering electricity
Road is connected with overvoltage crowbar, and overvoltage crowbar is connected with charging circuit, and charging circuit is connected with energy-storage battery；Solar energy
Power taking power module includes solar panel, charging module and lithium battery, and solar panel is connected with charging module, charges
Module is connected with lithium battery.
Above-mentioned front-end acquisition device includes GPRS wireless communication modules, and GPRS wireless communication modules are connected with central station, preceding
Field data is uploaded to central station by end harvester by GPRS wireless communication modules.
Above-mentioned video monitoring module includes at least one camera, video monitoring module record power transmission line corridor, transmission of electricity
Head of mast and insulator video information.
The sensor module includes power current sensor, and/or power-frequency voltage sensor, and power current sensor is adopted
The power current of collection transmission line of electricity aerial condutor or ground wire, power-frequency voltage sensor collection transmission line of electricity aerial condutor or ground wire
Power-frequency voltage.
Above-mentioned front-end acquisition device is arranged on transmission line of electricity aerial condutor, and sensor assembly is sensed including power current
Device, and/or power-frequency voltage sensor, power current sensor gather the power current of transmission line of electricity aerial condutor, power-frequency voltage
Sensor gathers the power-frequency voltage of transmission line of electricity aerial condutor；Failure trigger module is electrically connected with video monitoring module, power supply mould
Block is sensing power taking power module.
Above-mentioned front-end acquisition device be arranged on electric power line pole tower on, sensor assembly include power current sensor, and/
Or power-frequency voltage sensor, the power current of power current sensor collection earth wire of power transmission line, the collection of power-frequency voltage sensor
The power-frequency voltage of earth wire of power transmission line；Failure trigger module is electrically connected with video monitoring module, and power module is solar energy power taking
Power module.
Above-mentioned failure trigger module is arranged on transmission line of electricity aerial condutor, and sensor assembly is sensed including power current
Device, and/or power-frequency voltage sensor, power current sensor gather the power current of transmission line of electricity aerial condutor, power-frequency voltage
Sensor gathers the power-frequency voltage of transmission line of electricity aerial condutor；Video monitoring module is arranged at the top of electric power line pole tower, failure
Trigger module includes the first microwave radio commu module, and video monitoring module includes the second microwave radio commu module, and failure is touched
Hair module is connected with video monitoring module by the first microwave radio commu module and the second microwave radio commu module；Power supply mould
Block includes solar energy power taking power module and sensing power taking power module, and solar energy power taking power module supplies for video monitoring module
Electricity, sensing power taking power module is that failure trigger module is powered.
Using the monitoring method of above-mentioned transmission line malfunction Visualized Monitoring System, including：
S110：Video monitoring module is closed, failure trigger module monitors the work of transmission line of electricity aerial condutor or ground wire in real time
Frequency electric current, and/or power-frequency voltage；
S120：Failure trigger module judges whether the power current collected, and/or power-frequency voltage meet system and set
Fault triggering condition, if meeting fault triggering condition, perform step S130；Otherwise, return to step S110；
S130：Video monitoring module is opened, is caught and record monitor area transmission line malfunction evolution live view；
S140：Data of the front-end acquisition device by scene for fault diagnosis are uploaded to central station；Central station is to receiving
Field data handled and diagnosed and diagnostic result is sent to monitor terminal.
Using the monitoring method of above-mentioned transmission line malfunction Visualized Monitoring System, including：
S210：Video monitoring module is opened, monitor area live view is recorded；Failure trigger module monitors power transmission line in real time
The power current of road aerial condutor or ground wire, and/or power-frequency voltage；
S220：Failure trigger module judges whether the power current collected, and/or power-frequency voltage meet system and set
Fault triggering condition, if meeting fault triggering condition, record fault moment, perform step S230；Otherwise, return to step
S210；
S230：Transfer video monitoring module monitoring system setting time window before and after transmission line of electricity breaks down the moment
Fault video information；
S240：Data of the front-end acquisition device by scene for fault diagnosis are uploaded to central station；Central station is to receiving
Field data handled and diagnosed and diagnostic result is sent to monitor terminal.
Preferably, in step S110 or step S210, failure trigger module monitor in real time transmission line of electricity aerial condutor or
The power current of ground wire；
In step S120 or step S220, failure trigger module judges whether the power current collected has met system
The method of the fault triggering condition of setting includes：
Obtain the Wave data of the power current of failure trigger module collection；
Zero-crossing examination is carried out to power current waveform, the electric current of every half of power frequency period is calculated successively since zero crossing
Virtual value, calculates the average value per three groups of adjacent current effective values, is designated as S, then calculate adjacent two in three groups of data successively
The average value of group current effective value, is designated as M, N respectively；As (S-M)/S>0.2 or (S-N)/S>When 0.2, then judge to meet system
The fault triggering condition set.
Preferably, in step S110 or step S210, failure trigger module monitor in real time transmission line of electricity aerial condutor or
The power-frequency voltage of ground wire；
In step S120 or step S220, failure trigger module judges whether the power-frequency voltage collected has met system
The method of the fault triggering condition of setting includes：
Zero-crossing examination is carried out to power frequency voltage waveform, the voltage of every half of power frequency period is calculated successively since zero crossing
Virtual value, calculates the average value per three groups of adjacent voltage effective values, is designated as S, then calculate adjacent two in three groups of data successively
The average value of group current effective value, is designated as M, N respectively；As (S-M)/S>0.2 or (S-N)/S>When 0.2, then start power-frequency voltage
Triggering.
Brief description of the drawings
Fig. 1 is the schematic block diagram of monitoring system of the present invention
Fig. 2 is the schematic block diagram of front-end acquisition device of the present invention
Fig. 3 is another schematic block diagram of front-end acquisition device of the present invention
Fig. 4 is power module schematic block diagram of the present invention
Fig. 5 is the schematic block diagram of according to embodiments of the present invention 1 front-end acquisition device
Fig. 6 is the schematic block diagram of according to embodiments of the present invention 1 failure trigger module
Fig. 7 is the schematic block diagram of according to embodiments of the present invention 1 sensing power taking power module
Fig. 8 is the schematic block diagram of according to embodiments of the present invention 2 front-end acquisition device
Fig. 9 is the schematic block diagram of according to embodiments of the present invention 3 front-end acquisition device
Figure 10 is the schematic block diagram of according to embodiments of the present invention 3 failure trigger module
Figure 11 is the schematic block diagram of according to embodiments of the present invention 3 video monitoring module
Figure 12 is the schematic block diagram of according to embodiments of the present invention 4 monitoring method
Figure 13 is the schematic block diagram of according to embodiments of the present invention 5 monitoring method
In accompanying drawing, the list of parts representated by each label is as follows：
1. front-end acquisition device；2. central station；3. monitor terminal；110. failure trigger module；120. video monitoring module；
130. power module；140.GPRS wireless communication module；131. sense power taking power module；1301. induction energy fetching unit；
1302. impact protection circuit；1303. current rectifying and wave filtering circuit；1304. overvoltage crowbar；1305. charging circuit；1306. energy storage
Battery；132. solar energy power taking power module；1101. sensor assembly；1102. microprocessor module；1103. first microwaves without
Line transport module；1104. second microwave wireless transport modules.
Embodiment
The present invention will be further described in detail with specific embodiment below in conjunction with the accompanying drawings.
The schematic block diagram of monitoring system of the present invention is as shown in Figure 1.Before transmission line malfunction Visualized Monitoring System includes
Hold harvester 1, central station 2 and monitor terminal 3.Front-end acquisition device 1 includes failure trigger module 110, video monitoring module
120 and power module 130, as shown in Figure 2.Because monitoring system Overall Power Consumption is larger, and when video monitoring module 120 is located always
When working condition, the live view data collected are uploaded to central station 2, it is necessary to produce big by front-end acquisition device 1 in real time
The data of amount, and data when live view is repeated non-faulting state mostly, cause the waste of communication cost；When event
Barrier occur when, operation management department need in numerous pictures filter record failure process live view, waste time and energy.To avoid
Front-end acquisition device 1 sends the non-faulting state live view data of repeatability, in the present embodiment, by failure trigger module
110 real-time monitoring field Research Work of Power Transmission Line states, restart video monitoring module 120, and adopted by front end when an error occurs
The field data collected is uploaded to central station 2 by acquisition means 1；Because failure trigger module 110 compares video monitoring module 120
Power consumption is relatively low, therefore has saved system power dissipation, just opens video monitoring module 120 in failure in addition and by field data
Pass, greatly reduce data volume, fault moment field data is handled and diagnosed, diagnostic result is sent to by central station 2
Fault message is inquired about by monitor terminal 3 by monitor terminal 3, operation management department, alleviates its workload.
Field data is uploaded to central station 2 by front-end acquisition device 1 by way of being wirelessly transferred, it is preferable that use
GPRS wireless communication modules 140 realize the data interaction between front-end acquisition device 1 and central station 2, as shown in Figure 3.Power supply mould
Block 130 includes sensing power taking power module 131, and/or solar energy power taking power module 132, according to the He of failure trigger module 110
The mount point of video monitoring module 120 determines the power supply power supply mode of power module 130.
Embodiment 1：
Front-end acquisition device 1 is arranged on transmission line of electricity aerial condutor, and front-end acquisition device 1 includes failure trigger module
110th, video monitoring module 120 and sensing power taking power module 131, as shown in Figure 5.Failure trigger module 110 and video monitoring
Module 120 is electrically connected, and is obtained in the alternating magnetic field produced due to the load current that can be flowed through from transmission line of electricity aerial condutor,
Therefore power module 130 is using sensing power taking power module 131.Failure trigger module 110 includes sensor assembly 1101 and micro-
Processor module 1102.In the present embodiment, sensor assembly 1101 uses power current sensor and power-frequency voltage sensor
Collection flows through the power current and power-frequency voltage of transmission line of electricity aerial condutor respectively, and microprocessor module 1102 is to sensor assembly
The power frequency characteristic quantity of 1101 collections is handled, and has set failure criterion according to monitoring system and power frequency characteristic quantity can determine that circuit is
No to break down, the power frequency fault current waveform in such as collection transmission line of electricity judges whether occur event using fault current feature
Barrier and fault type；When meeting criterion, failure trigger module 110 triggers video monitoring module 120, proceeds by video record
System.To make fault verification more accurate, prevent the situation of false triggering from occurring, while using power current sensor, use
Power-frequency voltage sensor gathers power frequency voltage waveform data, is collectively forming using power frequency fault current and power frequency false voltage data
Failure triggers criterion, just judges to break down only when both are satisfied by trigger condition, starts video monitoring module 120 and carry out
Video record.
In the present embodiment, sensing power taking power module 131 includes induction energy fetching unit 1301, impact protection circuit
1302nd, current rectifying and wave filtering circuit 1303, overvoltage crowbar 1304, charging circuit 1305 and energy-storage battery 1306, as shown in Figure 7.
Take can unit 1 can open and close type annular core be sleeved on transmission pressure, secondary coil is wound on annular core, according to electromagnetism
Principle of induction, the electromagnetic field of alternation will be produced when transmission line of electricity aerial condutor flows through load current, and secondary coil output is handed over
Induced voltage is flowed, impact protection circuit 1302 is used for the surge power for absorbing secondary coil output, makes the voltage clamp of two interpolars
In a predetermined value, prevent from being punctured by excessive instantaneous voltage destruction or interference, protect subsequent conditioning circuit；Current rectifying and wave filtering circuit
1303 alternating voltages for exporting impact protection circuit 1302 are converted to DC voltage, and overvoltage crowbar 1304 includes sluggish compare
Compared with device and MOSFET FETs, when the output DC voltage of current rectifying and wave filtering circuit 1303 is less than the threshold of overvoltage crowbar 1304 electricity
During pressure, hysteresis comparator output open circuit, MOSFET FETs conducting, when the output DC voltage of current rectifying and wave filtering circuit 1303 is more than
During 1304 threshold voltage of overvoltage crowbar, hysteresis comparator upset, MOSFET FETs disconnect, and further disconnect and charging
The connection of circuit 1305, protects subsequent conditioning circuit；Charging circuit 1305 is that energy-storage battery 1306 charges, and energy-storage battery 1306 is each
Module for power supply.
Embodiment 2：
When being installed in due to the modules of front-end acquisition device 1 on transmission line of electricity aerial condutor, if to video monitoring mould
When the video camera of block 120 requires higher, if desired for special head, it is required that camera lens is rotatable etc. and then cause whole front-end collection to fill
Put 1 volume heavy, and be difficult to be arranged on transmission pressure aerial condutor, to solve the problem, in the present embodiment, front-end collection
Device 1 is arranged on electric power line pole tower, and front-end acquisition device 1 includes failure trigger module 110, the and of video monitoring module 120
Solar energy power taking power module 132, as shown in Figure 8.Failure trigger module 110 is electrically connected with video monitoring module 120.Sensor
Module 1101 is still using the power frequency electric in power current sensor and power-frequency voltage sensor collection electric power line pole tower ground wire
Stream and power-frequency voltage, can determine that whether circuit breaks down according to collection information.
Because load current is smaller under normal operating conditions in ground wire, therefore the mode of sensing power taking can not be used for before
End harvester 1 is powered, therefore in the present embodiment, power module 130 is using solar energy power taking power module 132, using too
The mode of positive energy power taking is powered for front-end acquisition device 1.
Solar energy power taking power module 132 is made up of solar panel, charging module and lithium battery, and daylight is sufficient
When solar panel convert the solar into electric energy, charged device is lithium cell charging and is that front-end acquisition device 1 is powered, night
Powered when late illumination is not enough by lithium battery for front-end acquisition device 1.
Embodiment 3：
Although embodiment 2, which solves embodiment 1, is used for the problem of volume is heavy during high standard video record, due to front end
The power consumption of harvester 1 is larger, when being primarily due to video record and front-end acquisition device 1 and central station 2 and carrying out teledata and interact
Power consumption is larger.Embodiment 2 uses solar energy power taking power module 132 to be powered for front-end acquisition device 1 by illumination condition shadow
Sound it is larger, cause under long-term rainy weather failure trigger module 110 and video monitoring module 120 because dead electricity cause system without
Method works.To solve the problem, in the present embodiment, failure trigger module 110 is arranged on transmission line of electricity aerial condutor, video
Monitoring module 120 is arranged at the top of electric power line pole tower.Front-end acquisition device 1 includes failure trigger module 110, video monitoring mould
Block 120, sensing power taking power module 131 and solar energy power taking power module 132, as shown in Figure 9.Failure trigger module 110 is wrapped
Sensor assembly 1101, the microwave radio commu module 1103 of microprocessor module 1102 and first are included, as shown in Figure 10.Video is supervised
Controlling module 120 includes the second microwave radio commu module 1104, as shown in figure 11.Failure trigger module 110 and video monitoring mould
Block 120 carries out data interaction, video by the first microwave radio commu module 1103 and the second microwave radio commu module 1104
Fault moment video information is sent to failure trigger module 110 by monitoring module 120.GPRS wireless communication modules 140 and failure
Trigger module 110 is electrically connected, and the diagnostic data after failure trigger module 110 is handled is uploaded to central station 2.Sense power taking power supply
Module 131 is that failure trigger module 110 is powered, and solar energy power taking power module 132 is that video monitoring module 120 is powered.The party
The lighter failure trigger module 110 of volume is arranged on transmission line of electricity aerial condutor by formula, by the more bulky video monitoring of volume
Module 120 is arranged on transmission tower, on the one hand alleviates the burden to transmission line of electricity aerial condutor and infringement；On the other hand,
Power consumption is relatively low for the front-end acquisition device 1 that video monitoring module 120 is arranged on electric power line pole tower with respect to embodiment 2, together
Deng under illumination condition, the working time of solar energy power taking power module 132 substantially prolongs；Even and if solar energy power taking power supply mould
Block 132 can not work because of dead electricity, and the failure trigger module 110 on transmission line of electricity aerial condutor still can normal work
Make, although field failure video information can not be obtained but still transmission line status parameter information can be obtained.
Embodiment 4：
The monitoring method of foregoing transmission line malfunction Visualized Monitoring System, as shown in figure 12, including following step
Suddenly：
S110：Video monitoring module is closed, failure trigger module monitors the work of transmission line of electricity aerial condutor or ground wire in real time
Frequency electric current, and/or power-frequency voltage；
S120：Failure trigger module judges whether the power current collected, and/or power-frequency voltage meet system and set
Fault triggering condition, if meeting fault triggering condition, perform step S130；Otherwise, return to step S110；
S130：Video monitoring module is opened, is caught and record monitor area transmission line malfunction evolution live view；
S140：Data of the front-end acquisition device by scene for fault diagnosis are uploaded to central station；Central station is to receiving
Field data handled and diagnosed and diagnostic result is sent to monitor terminal.
Embodiment 5：
The monitoring method of foregoing transmission line malfunction Visualized Monitoring System, as shown in figure 13, including following step
Suddenly：
S210：Video monitoring module is opened, monitor area live view is recorded；Failure trigger module monitors power transmission line in real time
The power current of road aerial condutor or ground wire, and/or power-frequency voltage；
S220：Failure trigger module judges whether the power current collected, and/or power-frequency voltage meet system and set
Fault triggering condition, if meeting fault triggering condition, record fault moment, perform step S230；Otherwise, return to step
S210；
S230：Transfer video monitoring module monitoring system setting time window before and after transmission line of electricity breaks down the moment
Fault video information；
S240：Data of the front-end acquisition device by scene for fault diagnosis are uploaded to central station；Central station is to receiving
Field data handled and diagnosed and diagnostic result is sent to monitor terminal.
In step S230, it is preferable that setting time window is 10 minutes to monitoring system, then before and after transferring fault moment
The video information of each 5 minutes.Window time can send remote command by monitor terminal according to actual conditions and demand and carry out
Parameter adjustment.
Embodiment 6：
In above-described embodiment 4 or the step S110 or step S210 of embodiment 5, failure trigger module monitors transmission of electricity in real time
The power current of fixed track usage plan wire or ground wire, to judge whether transmission line of electricity breaks down；
In above-mentioned steps S120 or step S220, failure trigger module judges whether the power current collected meets and is
The method for the fault triggering condition that system has been set comprises the following steps：
Obtain the Wave data of the power current of failure trigger module collection；
Zero-crossing examination is carried out to power current waveform, the electric current of every half of power frequency period is calculated successively since zero crossing
Virtual value, calculates the average value per three groups of adjacent current effective values, is designated as S, then calculate adjacent two in three groups of data successively
The average value of group current effective value, is designated as M, N respectively；As (S-M)/S>0.2 or (S-N)/S>When 0.2, then judge to meet system
The fault triggering condition set.
Wherein field operation experiences draw (S-M)/S>0.2 or (S-N)/S>Fault verification accuracy rate highest when 0.2, when
So, other values could be arranged to according to different parameter setting, 0.2.
Embodiment 7：
As different from Example 6, the power-frequency voltage of only collection transmission line of electricity is used to breakdown judge.That is, in above-mentioned reality
In the step S110 or step S210 that apply example 4 or embodiment 5, failure trigger module monitors transmission line of electricity aerial condutor or ground in real time
The power-frequency voltage of line；
In step S120 or step S220, failure trigger module judges whether the power-frequency voltage collected has met system
The method of the fault triggering condition of setting includes：
Zero-crossing examination is carried out to power frequency voltage waveform, the voltage of every half of power frequency period is calculated successively since zero crossing
Virtual value, calculates the average value per three groups of adjacent voltage effective values, is designated as S, then calculate adjacent two in three groups of data successively
The average value of group current effective value, is designated as M, N respectively；As (S-M)/S>0.2 or (S-N)/S>When 0.2, then start power-frequency voltage
Triggering.
Embodiment described above description is more specific and detailed, but therefore can not be interpreted as to the scope of the claims of the present invention
Limitation.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise,
Various modifications and improvements can be made, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention
It should be determined by the appended claims.
Claims (12)
1. a kind of transmission line malfunction Visualized Monitoring System, including front-end acquisition device, central station and monitor terminal；Before described
End harvester is connected with the central station, and field data is uploaded to institute by the front-end acquisition device by wireless transmission method
State central station；The central station is connected with the monitor terminal, the central station field data that receives is carried out processing with
Diagnose and diagnostic result is sent to the monitor terminal；Characterized in that,
The front-end acquisition device includes failure trigger module, video monitoring module and power module；The failure trigger module
Including sensor assembly and microprocessor module, the fault signature in the sensor assembly harvester mount point monitoring range
Amount, the microprocessor module is connected with the sensor assembly, and the microprocessor module is exported to the sensor assembly
Signal carry out data processing and determining whether to trigger the failure trigger module；The failure trigger module controls the video
Whether monitoring module is caught and is recorded the evolution of transmission line malfunction, and the failure trigger module is supervised with the video
Module connection is controlled, the power module is connected with the failure trigger module and the video monitoring module respectively, the power supply
Module is that the failure trigger module and the video monitoring module are powered.
2. transmission line malfunction Visualized Monitoring System according to claim 1, it is characterised in that the power module bag
Include sensing power taking power module, and/or solar energy power taking power module；The sensing power taking power module includes induction energy fetching list
Member, impact protection circuit, current rectifying and wave filtering circuit, overvoltage crowbar, charging circuit and energy-storage battery；The induction energy fetching unit
Including be sleeved on transmission pressure can open and close type annular core, be wound on the secondary coil on annular core, the sensing takes
Energy unit is connected with the impact protection circuit, and the impact protection circuit is connected with the current rectifying and wave filtering circuit, the rectification
Filter circuit is connected with the overvoltage crowbar, and the overvoltage crowbar is connected with the charging circuit, the charging electricity
Road is connected with the energy-storage battery；The solar energy power taking power module includes solar panel, charging module and lithium battery,
The solar panel is connected with the charging module, and the charging module is connected with the lithium battery.
3. transmission line malfunction Visualized Monitoring System according to claim 1, it is characterised in that the front-end collection dress
Put including GPRS wireless communication modules, the GPRS wireless communication modules are connected with the central station, the front-end acquisition device
Field data is uploaded to by the central station by the GPRS wireless communication modules.
4. transmission line malfunction Visualized Monitoring System according to claim 1, it is characterised in that the video monitoring mould
Block includes at least one camera, and the video monitoring module record power transmission line corridor, transmission tower top are regarded with insulator
Frequency information.
5. the transmission line malfunction Visualized Monitoring System according to claim 1 or 2 or 3 or 4, it is characterised in that described
Sensor assembly includes power current sensor, and/or power-frequency voltage sensor, and the power current sensor gathers power transmission line
The power current of road aerial condutor or ground wire, the power frequency of the power-frequency voltage sensor collection transmission line of electricity aerial condutor or ground wire
Voltage.
6. transmission line malfunction Visualized Monitoring System according to claim 5, it is characterised in that the front-end collection dress
Put on transmission line of electricity aerial condutor, the sensor assembly includes power current sensor, and/or power-frequency voltage is sensed
Device, the power current sensor gathers the power current of transmission line of electricity aerial condutor, and the power-frequency voltage sensor collection is defeated
The power-frequency voltage of electric line aerial condutor；The failure trigger module is electrically connected with the video monitoring module, the power supply mould
Block is sensing power taking power module.
7. transmission line malfunction Visualized Monitoring System according to claim 5, it is characterised in that the front-end collection dress
Put on electric power line pole tower, the sensor assembly includes power current sensor, and/or power-frequency voltage sensor,
The power current sensor gathers the power current of earth wire of power transmission line, and the power-frequency voltage sensor is with gathering transmission line of electricity
The power-frequency voltage of line；The failure trigger module is electrically connected with the video monitoring module, and the power module takes for solar energy
Power supply module.
8. transmission line malfunction Visualized Monitoring System according to claim 5, it is characterised in that the failure trigger mode
Block is arranged on transmission line of electricity aerial condutor, and the sensor assembly includes power current sensor, and/or power-frequency voltage is sensed
Device, the power current sensor gathers the power current of transmission line of electricity aerial condutor, and the power-frequency voltage sensor collection is defeated
The power-frequency voltage of electric line aerial condutor；The video monitoring module is arranged at the top of electric power line pole tower, the failure triggering
Module includes the first microwave radio commu module, and the video monitoring module includes the second microwave radio commu module, the event
Hinder trigger module logical by the first microwave radio commu module and second microwave wireless with the video monitoring module
Believe module connection；The power module includes solar energy power taking power module and sensing power taking power module, and the solar energy takes
Power supply module is that the video monitoring module is powered, and the sensing power taking power module is that the failure trigger module is powered.
9. a kind of transmission line malfunction method for visually monitoring, it is characterised in that including：
S110：Video monitoring module is closed, failure trigger module monitors the power frequency electric of transmission line of electricity aerial condutor or ground wire in real time
Stream, and/or power-frequency voltage；
S120：Failure trigger module judges whether the power current collected, and/or power-frequency voltage meet the event that system has been set
Hinder trigger condition, if meeting fault triggering condition, perform step S130；Otherwise, return to step S110；
S130：Video monitoring module is opened, is caught and record monitor area transmission line malfunction evolution live view；
S140：Data of the front-end acquisition device by scene for fault diagnosis are uploaded to central station；Central station is to showing for receiving
Field data is handled and diagnosed and diagnostic result is sent into monitor terminal.
10. a kind of transmission line malfunction method for visually monitoring, it is characterised in that including：
S210：Video monitoring module is opened, monitor area live view is recorded；Failure trigger module monitors transmission line of electricity frame in real time
The power current of hollow wire or ground wire, and/or power-frequency voltage；
S220：Failure trigger module judges whether the power current collected, and/or power-frequency voltage meet the event that system has been set
Hinder trigger condition, if meeting fault triggering condition, record fault moment, perform step S230；Otherwise, return to step S210；
S230：Transfer video monitoring module before and after transmission line of electricity breaks down the moment monitoring system setting time window therefore
Hinder video information；
S240：Data of the front-end acquisition device by scene for fault diagnosis are uploaded to central station；Central station is to showing for receiving
Field data is handled and diagnosed and diagnostic result is sent into monitor terminal.
11. the transmission line malfunction method for visually monitoring according to claim 9 or 10, it is characterised in that in step
In S110 or step S210, failure trigger module monitors the power current of transmission line of electricity aerial condutor or ground wire in real time；
In step S120 or step S220, failure trigger module judges whether the power current collected meets system and set
The method of fault triggering condition include：
Obtain the Wave data of the power current of failure trigger module collection；
Zero-crossing examination is carried out to power current waveform, the electric current for calculating every half of power frequency period successively since zero crossing is effective
Value, calculates the average value per three groups of adjacent current effective values successively, is designated as S, then calculate adjacent two groups of electricity in three groups of data
The average value of virtual value is flowed, M, N are designated as respectively；As (S-M)/S>0.2 or (S-N)/S>When 0.2, then judge that meeting system has set
Fixed fault triggering condition.
12. the transmission line malfunction method for visually monitoring according to claim 9 or 10, it is characterised in that in step
In S110 or step S210, failure trigger module monitors the power-frequency voltage of transmission line of electricity aerial condutor or ground wire in real time；
In step S120 or step S220, failure trigger module judges whether the power-frequency voltage collected meets system and set
The method of fault triggering condition include：
Zero-crossing examination is carried out to power frequency voltage waveform, the voltage for calculating every half of power frequency period successively since zero crossing is effective
Value, calculates the average value per three groups of adjacent voltage effective values successively, is designated as S, then calculate adjacent two groups of electricity in three groups of data
The average value of virtual value is flowed, M, N are designated as respectively；As (S-M)/S>0.2 or (S-N)/S>When 0.2, then start power-frequency voltage triggering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169456.4A CN107064735A (en) | 2017-03-21 | 2017-03-21 | A kind of transmission line malfunction Visualized Monitoring System and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169456.4A CN107064735A (en) | 2017-03-21 | 2017-03-21 | A kind of transmission line malfunction Visualized Monitoring System and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107064735A true CN107064735A (en) | 2017-08-18 |
Family
ID=59620801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710169456.4A Pending CN107064735A (en) | 2017-03-21 | 2017-03-21 | A kind of transmission line malfunction Visualized Monitoring System and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107064735A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607832A (en) * | 2017-08-19 | 2018-01-19 | 东北电力大学 | A kind of overhead transmission line on-line monitoring device based on contactless electricity getting system |
| CN108169642A (en) * | 2018-01-15 | 2018-06-15 | 国网山东省电力公司潍坊供电公司 | Transmission line of electricity discharging fault localization method and monitoring device based on magnetic field mutation |
| CN108521561A (en) * | 2018-04-23 | 2018-09-11 | 广东电网有限责任公司 | A kind of electric distribution network overhead wire real-time monitoring system |
| CN108845231A (en) * | 2018-06-29 | 2018-11-20 | 山东信通电子股份有限公司 | Based on visual route tower body current detecting system |
| CN109061389A (en) * | 2018-09-05 | 2018-12-21 | 北京国网富达科技发展有限责任公司 | Control method, controller, fault section diagnosis method, apparatus and system |
| CN109904928A (en) * | 2019-03-14 | 2019-06-18 | 许继集团有限公司 | A kind of transmission line malfunction monitoring and control method and monitoring system |
| CN110287347A (en) * | 2019-07-05 | 2019-09-27 | 黑龙江电力调度实业有限公司 | Using the method for big data detection electric power computer room failure |
| CN110519482A (en) * | 2019-08-23 | 2019-11-29 | 国家电网有限公司 | A kind of electric power power transmission and transforming equipment video monitoring platform |
| CN110632458A (en) * | 2019-09-30 | 2019-12-31 | 国网湖南省电力有限公司 | Overhead line discharge breakdown fault monitoring device and method |
| CN112198450A (en) * | 2020-09-07 | 2021-01-08 | 深圳供电局有限公司 | Mutual inductor secondary neutral line hidden fault risk remote transmission system and method based on 5G network |
| CN112615740A (en) * | 2020-12-14 | 2021-04-06 | 广东电网有限责任公司佛山供电局 | Transmission network communication safety system |
| CN113092942A (en) * | 2021-04-09 | 2021-07-09 | 山西转型综改示范区有线网络有限公司 | Visual monitoring system for urban weak current cable |
| CN114994410A (en) * | 2022-05-18 | 2022-09-02 | 高政 | Method and device for remotely monitoring key data of safe transmission of extra-high voltage transmission tower |
| CN115077629A (en) * | 2022-08-22 | 2022-09-20 | 中科开创（广州）智能科技发展有限公司 | Fault positioning method and device of channel monitoring system, computer equipment and medium |
| CN115184730A (en) * | 2022-07-26 | 2022-10-14 | 国网四川省电力公司电力科学研究院 | Tree flash fault analysis method, processing method, device, equipment and medium |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201226020Y (en) * | 2008-06-19 | 2009-04-22 | 孙黎新 | System for on-line monitoring transmission and distribution line operation |
| CN101706527A (en) * | 2009-10-30 | 2010-05-12 | 西安交通大学 | Method for detecting arc faults based on time-frequency characteristics of high-frequency current component |
| CN201589785U (en) * | 2009-10-23 | 2010-09-22 | 深圳南瑞科技有限公司 | Power transmission line remote monitoring device |
| CN102288932A (en) * | 2011-05-10 | 2011-12-21 | 山东电力研究院 | Method for accurately measuring lightning strike fault waveform of power transmission line |
| CN202150743U (en) * | 2011-07-01 | 2012-02-22 | 广东电网公司电力科学研究院 | Coupling energy taking power supply system for high voltage transmission line fault monitoring |
| CN203225578U (en) * | 2013-04-01 | 2013-10-02 | 武汉三相电力科技有限公司 | A power transmission line induction energy acquiring power supply apparatus with a high redundancy feature |
| CN103944264A (en) * | 2014-04-22 | 2014-07-23 | 航天科工深圳（集团）有限公司 | Power distribution terminal intelligent monitoring device and method |
| CN104835272A (en) * | 2015-06-03 | 2015-08-12 | 国家电网公司 | High-voltage power transmission iron tower antitheft system |
| CN104925614A (en) * | 2015-06-26 | 2015-09-23 | 广州日滨科技发展有限公司 | Elevator passenger trapping failure monitoring system |
| CN105093067A (en) * | 2015-08-24 | 2015-11-25 | 国网天津市电力公司 | Intelligent remote fault indicating system |
| CN106033096A (en) * | 2015-03-16 | 2016-10-19 | 武汉三相电力科技有限公司 | On-line monitoring system and method for transformer station lightning invasion wave |
-
2017
- 2017-03-21 CN CN201710169456.4A patent/CN107064735A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201226020Y (en) * | 2008-06-19 | 2009-04-22 | 孙黎新 | System for on-line monitoring transmission and distribution line operation |
| CN201589785U (en) * | 2009-10-23 | 2010-09-22 | 深圳南瑞科技有限公司 | Power transmission line remote monitoring device |
| CN101706527A (en) * | 2009-10-30 | 2010-05-12 | 西安交通大学 | Method for detecting arc faults based on time-frequency characteristics of high-frequency current component |
| CN102288932A (en) * | 2011-05-10 | 2011-12-21 | 山东电力研究院 | Method for accurately measuring lightning strike fault waveform of power transmission line |
| CN202150743U (en) * | 2011-07-01 | 2012-02-22 | 广东电网公司电力科学研究院 | Coupling energy taking power supply system for high voltage transmission line fault monitoring |
| CN203225578U (en) * | 2013-04-01 | 2013-10-02 | 武汉三相电力科技有限公司 | A power transmission line induction energy acquiring power supply apparatus with a high redundancy feature |
| CN103944264A (en) * | 2014-04-22 | 2014-07-23 | 航天科工深圳（集团）有限公司 | Power distribution terminal intelligent monitoring device and method |
| CN106033096A (en) * | 2015-03-16 | 2016-10-19 | 武汉三相电力科技有限公司 | On-line monitoring system and method for transformer station lightning invasion wave |
| CN104835272A (en) * | 2015-06-03 | 2015-08-12 | 国家电网公司 | High-voltage power transmission iron tower antitheft system |
| CN104925614A (en) * | 2015-06-26 | 2015-09-23 | 广州日滨科技发展有限公司 | Elevator passenger trapping failure monitoring system |
| CN105093067A (en) * | 2015-08-24 | 2015-11-25 | 国网天津市电力公司 | Intelligent remote fault indicating system |
Non-Patent Citations (1)
| Title |
|---|
| 徐晓明 等: "输电线路实时智能监控技术的优化", 《华东电力》 * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607832A (en) * | 2017-08-19 | 2018-01-19 | 东北电力大学 | A kind of overhead transmission line on-line monitoring device based on contactless electricity getting system |
| CN107607832B (en) * | 2017-08-19 | 2019-10-22 | 东北电力大学 | A kind of overhead transmission line on-line monitoring device based on contactless electricity getting system |
| CN108169642A (en) * | 2018-01-15 | 2018-06-15 | 国网山东省电力公司潍坊供电公司 | Transmission line of electricity discharging fault localization method and monitoring device based on magnetic field mutation |
| CN108521561A (en) * | 2018-04-23 | 2018-09-11 | 广东电网有限责任公司 | A kind of electric distribution network overhead wire real-time monitoring system |
| CN108845231A (en) * | 2018-06-29 | 2018-11-20 | 山东信通电子股份有限公司 | Based on visual route tower body current detecting system |
| CN109061389A (en) * | 2018-09-05 | 2018-12-21 | 北京国网富达科技发展有限责任公司 | Control method, controller, fault section diagnosis method, apparatus and system |
| CN109904928A (en) * | 2019-03-14 | 2019-06-18 | 许继集团有限公司 | A kind of transmission line malfunction monitoring and control method and monitoring system |
| CN110287347A (en) * | 2019-07-05 | 2019-09-27 | 黑龙江电力调度实业有限公司 | Using the method for big data detection electric power computer room failure |
| CN110519482A (en) * | 2019-08-23 | 2019-11-29 | 国家电网有限公司 | A kind of electric power power transmission and transforming equipment video monitoring platform |
| CN110632458A (en) * | 2019-09-30 | 2019-12-31 | 国网湖南省电力有限公司 | Overhead line discharge breakdown fault monitoring device and method |
| CN112198450A (en) * | 2020-09-07 | 2021-01-08 | 深圳供电局有限公司 | Mutual inductor secondary neutral line hidden fault risk remote transmission system and method based on 5G network |
| CN112615740A (en) * | 2020-12-14 | 2021-04-06 | 广东电网有限责任公司佛山供电局 | Transmission network communication safety system |
| CN113092942A (en) * | 2021-04-09 | 2021-07-09 | 山西转型综改示范区有线网络有限公司 | Visual monitoring system for urban weak current cable |
| CN114994410A (en) * | 2022-05-18 | 2022-09-02 | 高政 | Method and device for remotely monitoring key data of safe transmission of extra-high voltage transmission tower |
| CN115184730A (en) * | 2022-07-26 | 2022-10-14 | 国网四川省电力公司电力科学研究院 | Tree flash fault analysis method, processing method, device, equipment and medium |
| CN115077629A (en) * | 2022-08-22 | 2022-09-20 | 中科开创（广州）智能科技发展有限公司 | Fault positioning method and device of channel monitoring system, computer equipment and medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107064735A (en) | A kind of transmission line malfunction Visualized Monitoring System and method | |
| CN101989767B (en) | Comprehensive measuring and controlling device of high voltage pole tower | |
| CN101661076B (en) | Method for detecting pollution grade of insulator | |
| CN206876810U (en) | A kind of high-voltage intelligent grounding box on-Line Monitor Device | |
| CN106405324A (en) | Power transmission line online monitoring system adopting distributed power supply | |
| CN106291201A (en) | The lightning monitoring of a kind of lightning protection box and deterioration state monitoring system and method | |
| CN110780227A (en) | Online monitoring device and method for leakage current of lightning arrester of power transmission line | |
| CN103499774A (en) | Electricity transmission insulator arc-over on-line monitoring and safety early-warning device | |
| CN109765461A (en) | Transmission line of electricity monitoring system and method based on temperature monitoring | |
| CN107796434A (en) | A kind of transmission line galloping on-line monitoring and early warning system | |
| CN205333126U (en) | Transformer substation valve room hangs rail and patrols and examines robot | |
| CN201819698U (en) | System for monitoring icing state of overhead cables | |
| CN110763270A (en) | Power transmission line tower pole working condition monitoring system based on multiple information acquisition | |
| CN101915596A (en) | Method and system for monitoring ice coating state of overhead cable | |
| CN108054835A (en) | A kind of arrester intelligent cloud monitor system | |
| CN202928617U (en) | Transmission line conducting wire icing and galloping on-line monitoring unit | |
| CN106597961A (en) | Ring network cabinet environment monitoring system and method thereof | |
| CN206585391U (en) | A kind of fault monitoring system with recording type fault detector | |
| CN204425045U (en) | Transformer station's wireless monitoring device | |
| CN106569098A (en) | Power transmission and distribution line safety patrol inspection method | |
| CN103795052A (en) | Data signal line RS-485 intelligent anti-lighting device and method | |
| CN108020737A (en) | A kind of distribution line monitoring method | |
| CN111224465A (en) | Micro-power consumption distribution line intelligent monitoring system | |
| CN203932833U (en) | A kind of aerial high-voltage power transmission line robot inspection system | |
| CN216206553U (en) | Transmission line shaft tower prevents typhoon on-line monitoring device based on 4G radio communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170818 |
|
| WD01 | Invention patent application deemed withdrawn after publication |