CN106441423A - Online monitoring platform for underground cable channels of urban power grids - Google Patents
Online monitoring platform for underground cable channels of urban power grids Download PDFInfo
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- CN106441423A CN106441423A CN201610765793.5A CN201610765793A CN106441423A CN 106441423 A CN106441423 A CN 106441423A CN 201610765793 A CN201610765793 A CN 201610765793A CN 106441423 A CN106441423 A CN 106441423A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
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- 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
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Abstract
The invention discloses an online monitoring platform for underground cable channels of urban power grids. The online monitoring platform comprises a monitoring center and a movable monitoring unit connected with the monitoring center, the movable monitoring unit comprises an overhead rail, a movable mechanism and a monitoring terminal, the overhead rail is arranged in a cable trench, the movable mechanism is arranged on the overhead rail, the monitoring terminal is arranged on the movable mechanism and comprises a sensor module, a control module, a video monitoring module and a first communication module, a positioning device, an ultrasonic rat repellent and a deinsectization device are arranged on the movable mechanism, the positioning device is connected with the monitoring center, and the sensor module comprises a temperature sensor, a humidity sensor, an open flame sensor, a combustible gas sensor and a water level sensor. According to the online monitoring platform, temperature, humidity, open flame, combustible gas and waterlogging in the cable trench can be monitored, a certain prediction functions are achieved by the aid of monitored information, and the cable trench can be visually monitored in real time.
Description
Technical field
The present invention relates to power system remote online monitoring technical field, be specifically related to a kind of urban distribution network buried cable and lead to
Road on-line monitoring platform.
Background technology
In traditional electric power transmits, using the mode of trolley line to transmit electricity, staff needs scene to check various kinds of equipment
Such as the operation conditions of cable branch box, switchyard, ring main unit etc., process various fault with the carrying out practically situation according to equipment.
With the continuous quickening of industrialization and urbanization process, urbanization electric network reconstruction is growing to the demand of power cable, in the past
Overhead transmission line gradually substituted by buried power cable, but the disguise that has of underground cable adds cable and is running dimension
Protecting, managing and the difficulty in terms of breakdown maintenance, traditional transports based on the management method no longer appropriate cable that scene is maked an inspection tour
The demand of row management development.So increasingly huge along with cable run, a severe problem significantly exposes day by day
Come, be cable line fault.
On the one hand, technical capability and the level of production of cable producer are uneven；On the other hand, due to the prices of raw materials
Promoting, the objective factor such as Market competition, having some producers to reduce product quality because blindly pursuing interests, both sides is former
Cause, causes cable and the quality of annex own thereof just unstable.Meanwhile, cable run runs in underground, corresponding monitoring and maintenance
Relatively difficult.Environment in cable duct, such as humiture, water quality water level, pernicious gas etc., ground is cannot accomplish that prevention is pre-
Survey.Increasing of City Buried Pipeline, occupying of Underground Space Resource makes the construction operation conditions of cable pipeline become increasingly complex,
Particularly natural gas, coal gas and other flammable explosive gas once penetrates into cable pipe trench, by the safe operation of cable or even society
Threat greatly can be brought by public safety.For ensureing the person and equipment safety, need to periodically turn on that administration equipment carries out by well lid can
Combustion gas health check-up is surveyed.The external force breakoff phenomenon of power cable also gets more and more, and gently then causes any property loss, heavy then cause safe thing
Therefore, cause a significant threat to the safe operation of cable.Therefore, the fire prevention of cable pipe trench, gas-tight, problem day explosion-proof, waterproof, antitheft
Benefit is important, and " five prevent " for meeting cable passage requires, it is necessary to is monitored the running environment of cable, pinpoints the problems ahead of time,
Process in time, it is to avoid the generation of significant problem.
A kind of buried cable monitoring system for electrical network of the disclosure of the invention of Application No. 201510827684.7.This is
System includes：Clusters of sensors, the cable being arranged in cable channel for monitoring；Multiple acquisition stations, are used for obtaining sensor collection
The Monitoring Data that all living creatures becomes；First server cluster, is used for preserving raster data；Second server cluster, for by monitoring
Data and raster data determine the operation conditions of cable；Flow controller, is connected with each acquisition station respectively by wide area network, uses
In the data transfer request processing acquisition station, first server cluster and second server cluster；Optical switch, for according to
The instruction transmission of data transfer request needs the data of transmission between first server cluster and second server cluster；Monitoring
Screen, is connected with second server cluster, for the operation conditions of graphical representation cable.Although buried cable can be entered by this invention
Row monitoring, but use substantial amounts of sensor, and field wiring, communication are required for considering, capital construction is complex.
The relating to of Application No. 201210473741.2, a kind of is applicable to patrolling and examining and fault of cover-plate type cable duct inner cable
Positioner, including bionic 6-leg robot, camera monitoring device, infrared temperature sensor, cable discharge sound pick-up, hand-held
Computer, ground main control computer, overcome that traditional cable fault detection method efficiency is low, fault type and fault are looked into abnormity point
Look for the shortcomings such as difficulty, by the local area network remote operational control Hexapod Robot being made up of main control computer and HPC, and
When effectively monitor cable duct or the ruuning situation of cable tunnel inner cable by sound, temperature and vision signal, to electricity
The health status of cable is predicted, and can carry out fault location fast and accurately when cable breaks down, and substantially increases electricity
The detection efficiency of cable fault.But the circumstance complication in cable duct, uses robot to patrol and examine, and the probability going wrong is bigger.
Content of the invention
Problem to be solved by this invention is to provide a kind of urban distribution network buried cable passage on-line monitoring platform, to cable
The monitoring of humiture, naked light, fuel gas, ponding in ditch, and accomplish certain to estimate function by the information monitoring, it is achieved
Visualization, real time implementation to cable duct are monitored.
For solving above-mentioned technical problem, the technical solution used in the present invention is：
A kind of urban distribution network buried cable passage on-line monitoring platform, including monitoring center and coupled portable monitoring
Unit, described portable monitoring means includes the movement that the overhead track arranging in cable duct, described overhead rail are arranged
Arranging monitoring terminal in mechanism, described travel mechanism, described monitoring terminal includes sensor assembly, control module, video surveillance
Module and first communication module, described travel mechanism also sets up positioner, ultrasonic rat repellent and deinsectization device, described fixed
Position device be connected with described monitoring center, described sensor assembly include temperature sensor, humidity sensor, naked light sensor,
Combustible gas sensor and level sensor, described control module communicates with sensor assembly, video surveillance module and first mould
Block connects.
Further, described monitoring center includes the second communication module for receiving monitoring information and with described second
Communication module is connected and carries out the industrial computer that electrical substation monitoring information collects management, described second communication module and the first communication
Module connects, and described first communication module and second communication module use GPRS module.
Further, described ultrasonic rat repellent and deinsectization device are connected with described control module, and described deinsectization device is adopted
Use electric shock type deinsectization lamp.
Further, described level sensor is arranged on the side of described travel mechanism, described lifting by elevating mechanism
Lifting motor that mechanism includes being arranged in described travel mechanism, pass through in described travel mechanism support rotary setting and with described
The lifting rope arranging on wire spool that lifting motor is in transmission connection, described wire spool, described lifting rope lower end arranges described level sensor
Device.
Further, described video surveillance module includes the miniature The Cloud Terrace being arranged in described travel mechanism, described miniature
Arranging infrared camera and infrared thermography on The Cloud Terrace, described miniature The Cloud Terrace is connected with described control module.
Further, described travel mechanism uses the electric motor-trolley matching with described overhead track, described moving machine
Structure two ends arrange elastic pushing block, and the elastic pushing block of described one end arranges sucker, and described travel mechanism is several.
Further, described positioner includes the elasticity bottom wire casing, described wire casing that described overhead rail arranges
The distributed optical fiber vibration sensor that supporting mechanism and described elastic supporting mechanism upper surface are arranged, described distribution type fiber-optic shakes
Dynamic sensor top is higher than described wire casing top, and described distributed optical fiber vibration sensor is connected with described monitoring center.
Further, described distributed optical fiber vibration sensor top is higher than described wire casing top 0.5cm to 1cm.
Further, described elastic supporting mechanism includes the elastic caoutchouc of strip, and described elastic supporting mechanism upper surface sets
Put the arc cell body matching with described distributed fiberoptic sensor, described distributed fiberoptic sensor lower surface and described arc
The surface of cell body bonds together.
Further, described positioner includes described overhead rail several sensing tanks spaced, described
In sensing tank, fiber-optic grating sensor is set, is connected by Transmission Fibers between several fiber-optic grating sensors described, institute
Stating fiber-optic grating sensor top to sense on tank along 0.5cm to 1cm higher than described, described Transmission Fibers is arranged on described built on stilts
In the cavity arranging on track.
Further, one end of described Transmission Fibers arranges wideband light source, and the other end of described Transmission Fibers passes through optical fiber
Raster grid analyzer is connected with described monitoring center.
Further, described fiber-optic grating sensor two ends arrange inclined-plane cushion block.
The invention provides a kind of urban distribution network buried cable passage on-line monitoring platform, maximum from prior art is different
Point is that monitoring means is moveable, and overhead track sets up along cable duct, and portable monitoring means just can complete to whole
Monitoring in individual cable duct, can arrange multiple be monitored zones of different to accelerate speed, and overhead track uses stainless
Steelwork, cost is very low, and has saved substantial amounts of electric wire, sensor and communication equipment, drops for cost and constructional difficulties
Much lower.The sensor of monitoring terminal have employed the temperature-humidity sensor monitoring cable in temperature sensor monitors cable duct
Whether the ambient humidity in ditch, naked light sensor utilize ultraviolet in naked light to occurring burning to be monitored in cable duct, can
Whether combustion gas body sensor can monitor exists substantial amounts of fuel gas with timely eliminating hidden danger, and level sensor can be to electricity
Ponding in cable ditch is monitored, and cooperates with video surveillance module, it is achieved to humiture in cable duct, naked light, flammable
Gas, the monitoring of ponding, and accomplish certain to estimate function by the information monitoring, it is achieved visualization, the reality to cable duct
Whenization is monitored, and reply accident solves in advance or the very first time rushes to repair after accident occurs, and greatly reduces electricity in cable duct
The loss of cable fault.The concrete orientation of the environmental data monitoring can be monitored and with environmental data together by positioner
Send to monitoring center, it is simple to the assurance to electrical network entirety for the maintainer.Ultrasonic rat repellent and deinsectization device can be to cables
Mosquito in ditch, mouse expel, it is to avoid portable monitoring means is impacted by it, also can kill most mosquito,
More preferable environment is provided when working in cable duct for maintainer, avoids mosquito corpse to be deposited in the junction of cable simultaneously,
Etching apparatus causes short circuit, improves the security that cable runs.
Video surveillance module carries out image/video monitoring along the line for electrical network, have employed infrared camera and infrared thermal imaging
Instrument, monitors to image/video and infrared thermal imaging respectively, on the one hand replaces staff to patrol and examine, on the other hand can be right
Whether temperature interior in a big way is monitored, find disaster hidden-trouble in advance, can monitor circuit and be short-circuited intensification, a distant place
The whether situations such as naked light burning, monitoring distant, and the two equipment are arranged on miniature The Cloud Terrace, and miniature The Cloud Terrace uses two
Axle The Cloud Terrace, is connected with control module, thus receives monitoring center and send the control instruction of coming, and can be steered realization to each
Angle is observed.Ultrasonic rat repellent and deinsectization device are also controlled the control of module, can be controlled properly
Time in open, such as during patrolling and examining, accomplish that it maximally utilizes, deinsectization device use electric shock type deinsectization lamp, deinsectization
Efficiency is higher, and after electric shock, mosquito corpse is very light, and during travel mechanism's walking, mosquito corpse can be blown off and reach automatic
The purpose cleaning.How level sensor is applied is the difficult point that cable duct is monitored, because level sensor needs to be deep into ponding
Middle could realize monitoring, and ponding is not to exist always, and whether the present invention is long-pending to existing by video surveillance module monitors
Water, then put into level sensor in ponding by elevating mechanism, thus realize monitoring.Elevating mechanism is driven by lifting motor
Rotate wire spool, thus regulate the length that lifting rope stretches out, thus the height of level sensor is adjusted.
Travel mechanism uses the electric motor-trolley matching with overhead track, and track and railcar are all conventional skills
Art, easily realizes.It but travel mechanism is to patrol and examine along cable duct, when breaking down out of service, is difficult to maintenance, therefore
Pushing block is set at the two ends of travel mechanism, and travel mechanism is multiple, after breaking down during certain travel mechanism patrols and examines,
Send another travel mechanism to patrol and examine, and the equipment running into damage during patrolling and examining be to be push to move together,
Until cable outlet position, staff is facilitated to overhaul.Pushing block uses elasticity to avoid the equipment of travel mechanism's row by play
Strong impact, the pushing block of side arranges sucker, when travel mechanism knocks another travel mechanism, can be adsorbed, so exist
In moving process, both will not separate, it is to avoid during the situations such as descending, the travel mechanism of damage is out of control, increases its security.
Present invention focuses on the implementation of positioner, by the distributed optical fiber vibration sensor arranging on track
Realize, when travel mechanism is when setting up moving on rails, its deformation can be made to distributed optical fiber vibration sensor pressing, prison
Measured center can monitor the concrete orientation at travel mechanism place by the change of light, and positioning accurate accuracy is very high.Work as monitoring
After unit sends a monitoring information, distributed optical fiber vibration sensor just can send the geographical location information in this moment to prison
Measured center, both combine and realize putting the information monitoring in certain moment to certain.Distributed fiberoptic sensor is to along fiber optics transmission line
Spatial distribution on footpath and change over the sensor that information measures or monitors, and vibrating sensor is therein one
Kind, this geographical position monitoring advantage be whole sensing element only with optical fiber, price is relatively low, will not be by around magnetic
The impact of environment, can monitor in moving whole monitoring means constantly, error minimum even without.This external monitoring
The temperature sensor that unit is arranged can feed back to monitoring center with feedback temperature information so when monitoring certain some environmental information
Monitoring information include temperature information, monitoring center sends temperature information to industrial computer and calculates, to distributed light
Fine vibrating sensor carries out temperature-compensating, can reduce the error of monitoring.
Beneficial effects of the present invention is as follows：
1st, simply use a small amount of sensor and just can realize the monitoring to whole cable duct environmental information and facility information, to line
The usage amount of road, communication equipment and sensor is less, does not needs to arrange complicated circuit in cable duct, and uses built on stilts
Track, will not be affected by complex environment in cable duct；
2nd, the determination to geographic location during monitoring means monitoring cable duct internal information uses distributed optical fiber vibration sensor,
Whole sensing element is only with optical fiber, and price is relatively low, will not be affected by around magnetic field environment, can be to whole monitoring
Module is monitored in moving constantly, error minimum even without；
3rd, the monitoring to humiture, naked light, fuel gas, ponding in cable duct for the present invention, and accomplished by the information monitoring
Certain estimates function, it is achieved visualization, real time implementation to cable duct are monitored, and reply accident solves or in advance after accident occurs
The very first time rushes to repair, and greatly reduces the loss of cable duct inner cable fault.
Brief description
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the system construction drawing of urban distribution network buried cable passage on-line monitoring platform of the present invention；
Fig. 2 is the system construction drawing of video surveillance module of the present invention；
Fig. 3 is the structural representation of elevating mechanism of the present invention；
Fig. 4 is the structural representation of the elastic pushing block of the present invention；
Fig. 5 is the structural representation of distributed optical fiber vibration sensor of the present invention；
Fig. 6 is the structural representation of elastic supporting mechanism of the present invention；
Fig. 7 is the structural representation of fiber-optic grating sensor of the present invention；
Fig. 8 is the system construction drawing of fiber-optic grating sensor of the present invention.
Detailed description of the invention
Showing technical solution of the present invention further below in conjunction with Fig. 1 to Fig. 8, detailed description of the invention is as follows：
Embodiment one
As shown in Figure 1：Present embodiments provide a kind of urban distribution network buried cable passage on-line monitoring platform, including monitoring center
1 and coupled portable monitoring means 2, described portable monitoring means 2 includes the hanger rail arranging in cable duct
Arranging monitoring terminal 4 in the 13rd, the described travel mechanism 13 of travel mechanism arranging on road the 6th, described overhead track 6, described monitoring is eventually
End 4 includes sensor assembly the 15th, control module the 12nd, video surveillance module 14 and first communication module 3, in described travel mechanism 13
Also setting up positioner the 5th, ultrasonic rat repellent 16 and deinsectization device 11, described positioner 5 is connected with described monitoring center 1,
Described sensor assembly 15 includes temperature sensor, humidity sensor, naked light sensor, combustible gas sensor and level sensor
Device, described control module 12 is connected with sensor assembly the 15th, video surveillance module 14 and first communication module 3.
Described monitoring center 1 includes the second communication module 7 for receiving monitoring information and the mould that communicates with described second
Block 7 is connected and carries out the industrial computer 8 that electrical substation monitoring information collects management, and described second communication module 7 communicates with first mould
Block 3 connects, and described first communication module 3 and second communication module 7 use GPRS module.
The difference maximum with prior art is that monitoring means is moveable, and overhead track sets up along cable duct, one
Individual portable monitoring means just can complete, to the monitoring in whole cable duct, can arrange multiple to not same district to accelerate speed
Territory is monitored, and overhead track uses stainless steel product, and cost is very low, and has saved substantial amounts of electric wire, sensor and communication
Equipment, reduces a lot for cost and constructional difficulties.The sensor of monitoring terminal have employed temperature sensor monitors cable duct
The interior ambient humidity in temperature-humidity sensor monitoring cable duct, naked light sensor utilize the ultraviolet in naked light to cable
Whether occur burning to be monitored in ditch, combustible gas sensor can monitor whether there is substantial amounts of fuel gas with in time
Getting rid of hidden danger, the ponding in cable duct can be monitored by level sensor, and cooperates with video surveillance module, it is achieved
Monitoring to humiture, naked light, fuel gas, ponding in cable duct, and accomplish certain to estimate work(by the information monitoring
Can, it is achieved visualization, real time implementation to cable duct are monitored, reply accident solves in advance or the very first time is carried out after accident occurs
Repairing, greatly reduces the loss of cable duct inner cable fault.Positioner can be to the concrete side of the environmental data monitoring
Position is monitored and sent along with environmental data to monitoring center, it is simple to the assurance to electrical network entirety for the maintainer.Ultrasonic wave
Mosquito in cable duct, mouse can be expelled by mouse driving device and deinsectization device, it is to avoid portable monitoring means is caused by it
Impact, also can kill most mosquito, provide more preferable environment, avoid mosquito simultaneously when working in cable duct for maintainer
Worm corpse is deposited in the junction of cable, and etching apparatus causes short circuit, improves the security that cable runs.
Embodiment two
As shown in Figures 2 to 4：It is with the difference of embodiment one：Described ultrasonic rat repellent 16 and deinsectization device 11 and institute
Stating control module 12 to connect, described deinsectization device 11 uses electric shock type deinsectization lamp.
Described level sensor 33 is arranged on the side of described travel mechanism 12, described elevating mechanism bag by elevating mechanism
Include in the lifting motor being arranged in described travel mechanism 12 the 31st, described travel mechanism 12 pass through support rotary setting and with described
The lifting rope 36 arranging on the wire spool that lifting motor 31 is in transmission connection the 32nd, described wire spool 32, described lifting rope 36 lower end arranges institute
State level sensor 33.
Described video surveillance module 14 includes the miniature The Cloud Terrace 28 being arranged in described travel mechanism 13, described miniature The Cloud Terrace
Arranging infrared camera 29 and infrared thermography 30 on 28, described miniature The Cloud Terrace 28 is connected with described control module 12.
Described travel mechanism 13 uses the electric motor-trolley matching with described overhead track 6,13 liang of described travel mechanism
End arranges elastic pushing block 35, and the elastic pushing block 35 of described travel mechanism 13 one end arranges sucker 34, and described travel mechanism 13 is
Several.
Video surveillance module carries out image/video monitoring along the line for electrical network, have employed infrared camera and infrared thermal imaging
Instrument, monitors to image/video and infrared thermal imaging respectively, on the one hand replaces staff to patrol and examine, on the other hand can be right
Whether temperature interior in a big way is monitored, find disaster hidden-trouble in advance, can monitor circuit and be short-circuited intensification, a distant place
The whether situations such as naked light burning, monitoring distant, and the two equipment are arranged on miniature The Cloud Terrace, and miniature The Cloud Terrace uses two
Axle The Cloud Terrace, is connected with control module, thus receives monitoring center and send the control instruction of coming, and can be steered realization to each
Angle is observed.Ultrasonic rat repellent and deinsectization device are also controlled the control of module, can be controlled properly
Time in open, such as during patrolling and examining, accomplish that it maximally utilizes, deinsectization device use electric shock type deinsectization lamp, deinsectization
Efficiency is higher, and after electric shock, mosquito corpse is very light, and during travel mechanism's walking, mosquito corpse can be blown off and reach automatic
The purpose cleaning.How level sensor is applied is the difficult point that cable duct is monitored, because level sensor needs to be deep into ponding
Middle could realize monitoring, and ponding is not to exist always, and whether the present invention is long-pending to existing by video surveillance module monitors
Water, then put into level sensor in ponding by elevating mechanism, thus realize monitoring.Elevating mechanism is driven by lifting motor
Rotate wire spool, thus regulate the length that lifting rope stretches out, thus the height of level sensor is adjusted.
Travel mechanism uses the electric motor-trolley matching with overhead track, and track and railcar are all conventional skills
Art, easily realizes.It but travel mechanism is to patrol and examine along cable duct, when breaking down out of service, is difficult to maintenance, therefore
Pushing block is set at the two ends of travel mechanism, and travel mechanism is multiple, after breaking down during certain travel mechanism patrols and examines,
Send another travel mechanism to patrol and examine, and the equipment running into damage during patrolling and examining be to be push to move together,
Until cable outlet position, staff is facilitated to overhaul.Pushing block uses elasticity to avoid the equipment of travel mechanism's row by play
Strong impact, the pushing block of side arranges sucker, when travel mechanism knocks another travel mechanism, can be adsorbed, so exist
In moving process, both will not separate, it is to avoid during the situations such as descending, the travel mechanism of damage is out of control, increases its security.
Embodiment three
As shown in Figure 5 and Figure 6：It is with the difference of embodiment one：
Described positioner 5 includes the elastic supporting mechanism bottom wire casing the 19th, the described wire casing 19 of setting on described overhead track 6
18 and described elastic supporting mechanism 18 upper surface arrange distributed optical fiber vibration sensor 17, described distributed optical fiber vibration
Sensor 17 top is higher than described wire casing 19 top, and described distributed optical fiber vibration sensor 17 is connected with described monitoring center 1.
The distributed optical fiber vibration sensor being arranged in overhead rail, when overhead rail is walked, is carried out by the wheel of walking mechanism
Pressing, fibre-optical grating sensor deforms upon, the light information being received by monitoring center, monitors walking mechanism
Position.
Realized by the distributed optical fiber vibration sensor arranging on track, when travel mechanism is setting up fortune on track
When dynamic, can make its deformation to distributed optical fiber vibration sensor pressing, monitoring center can monitor shifting by the change of light
The concrete orientation at motivation structure place, positioning accurate accuracy is very high.After monitoring means sends a monitoring information, distribution type fiber-optic
Vibrating sensor just can send the geographical location information in this moment to monitoring center, and both combine and realize putting certain moment to certain
Information monitoring.Distributed fiberoptic sensor is to the spatial distribution along optical fiber transmission path and to change over information and carry out
Measurement or the sensor of monitoring, and vibrating sensor is one therein, the advantage of this geographical position monitoring is entirely to sense
Element is only with optical fiber, and price is relatively low, will not be affected by around magnetic field environment, can move whole monitoring means
In monitor constantly, error minimum even without.The temperature sensor that this external monitoring means is arranged can be believed with feedback temperature
Breath, so when monitoring certain some environmental information, the monitoring information feeding back to monitoring center includes temperature information, and monitoring center is again
Temperature information is sent and calculates to industrial computer, temperature-compensating is carried out to distributed optical fiber vibration sensor, prison can be reduced
The error surveyed.
Described distributed optical fiber vibration sensor 17 top is higher than described wire casing 19 top 0.5cm to 1cm, the height exceeding
Can not be too big, otherwise can cause the instability of travel mechanism, be prone to accidents, but can not be too little, vibrate inconspicuous meeting and make
Become error.
Described elastic supporting mechanism 18 includes the elastic caoutchouc of strip, and described elastic supporting mechanism 18 upper surface is arranged and institute
State the arc cell body 20 that distributed fiberoptic sensor 17 matches, described distributed fiberoptic sensor 17 lower surface and described arc
The surface of cell body 20 bonds together.Fibre Optical Sensor, above elastic supporting mechanism, in order to ensure its stability, passes through
Arc cell body fixes, and carries out bonding by binding agent between the two, it is to avoid Fibre Optical Sensor is surprisingly beated, and causes monitoring
Error.Elastic supporting mechanism can use the products such as spring, foam, rubber, and preferred rubber product, its durability is stronger.
Embodiment four
As shown in Figure 7 and Figure 8：It is with the difference of embodiment three：Between described positioner 5 includes on described overhead track 6
Every several sensing tanks 22 arranging, in described sensing tank 22, fiber-optic grating sensor 21, several optical fiber described are set
Being connected by Transmission Fibers 25 between grating sensor 21, described fiber-optic grating sensor 21 top is higher than described sensing tank 22
On along 0.5cm to 1cm, described Transmission Fibers 25 be arranged on described overhead track 6 arrange cavity 24 in.
The monitoring in monitoring means geographical position can also use fiber-optic grating sensor to realize, employing the method cannot be right
Whole overhead rail monitoring modular displacement is monitored, but when the railcar at monitoring means place moves to fiber grating biography
Can be monitored to when on sensor.The method is used to make the monitoring of data message have regularity, when mobile to fiber grating biography
During the place of sensor send data message and geography information to monitoring center, the multiple optical fiber grating sensings being arranged by rule
Device selects place, it is achieved covers the entirety of power network line, meets the requirement of environment and monitoring of equipment, reduces information processing
Quantity, simplify for whole monitoring process is compared with distributed optical fiber vibration sensor.
One end of described Transmission Fibers 25 arranges wideband light source 26, and the other end of described Transmission Fibers 25 passes through fiber grating
Network Analyzer 27 is connected with described monitoring center 1.Wideband light source sends signal, and fiber grating Network Analyzer detects signal
Wavelength signals is simultaneously converted to the corresponding signal of telecommunication by the change of wavelength, and the signal of telecommunication receiving is processed by Surveillance center, from
And calculated which fiber-optic grating sensor and is under pressure thus deformation, it is achieved that the displacement measurement to walking mechanism.
Described fiber-optic grating sensor 21 two ends arrange inclined-plane cushion block 23.The wheel that inclined-plane cushion block is beneficial to walking mechanism is climbed up
Fiber-optic grating sensor, it is to avoid sensor is excessive by lateral impulsive force, beneficially protection equipment.
Finally illustrating, above example is only in order to illustrate technical scheme and unrestricted, and this area is common
Technical staff technical scheme is made other modification or equivalent, without departing from technical solution of the present invention
Spirit and scope, all should cover in the middle of scope of the presently claimed invention.
Claims (9)
1. a urban distribution network buried cable passage on-line monitoring platform, it is characterised in that：Including monitoring center and coupled
The portable monitoring means connecing, described portable monitoring means includes the overhead track of setting in cable duct, described hanger rail
Arranging monitoring terminal in the travel mechanism of setting on road, described travel mechanism, described monitoring terminal includes sensor assembly, control
Module, video surveillance module and first communication module, described travel mechanism also sets up positioner, ultrasonic rat repellent and goes out
Worm device, described positioner is connected with described monitoring center, and described sensor assembly includes temperature sensor, humidity sensor
Device, naked light sensor, combustible gas sensor and level sensor, described control module and sensor assembly, video surveillance mould
Block and first communication module connect.
2. urban distribution network buried cable passage on-line monitoring platform as claimed in claim 1, it is characterised in that：In described monitoring
Pericardium includes the second communication module for receiving monitoring information and is connected with described second communication module and carries out transformer station
Monitoring information collects the industrial computer of management, and described second communication module is connected with first communication module, described first communication module
Use GPRS module with second communication module.
3. urban distribution network buried cable passage on-line monitoring platform as claimed in claim 1, it is characterised in that：Described ultrasonic wave
Mouse driving device and deinsectization device are connected with described control module, and described deinsectization device uses electric shock type deinsectization lamp.
4. urban distribution network buried cable passage on-line monitoring platform as claimed in claim 1, it is characterised in that：Described water level passes
Sensor is arranged on the side of described travel mechanism by elevating mechanism, and described elevating mechanism includes being arranged in described travel mechanism
Lifting motor, the wire spool be in transmission connection by support rotary setting and with described lifting motor in described travel mechanism, institute
Stating the lifting rope arranging on wire spool, described lifting rope lower end arranges described level sensor.
5. urban distribution network buried cable passage on-line monitoring platform as claimed in claim 1, it is characterised in that：Described video is supervised
Survey the miniature The Cloud Terrace that module includes being arranged in described travel mechanism, described miniature The Cloud Terrace arranges infrared camera and infra-red heat
Imager, described miniature The Cloud Terrace is connected with described control module.
6. urban distribution network buried cable passage on-line monitoring platform as claimed in claim 1, it is characterised in that：Described moving machine
Structure uses the electric motor-trolley matching with described overhead track, and described travel mechanism two ends arrange elastic pushing block, described one end
Elastic pushing block on sucker is set, described travel mechanism is several.
7. urban distribution network buried cable passage on-line monitoring platform as claimed in claim 1, it is characterised in that：Described positioning dress
Put wire casing, the elastic supporting mechanism bottom described wire casing and the described elastic supporting mechanism including described overhead rail and arranging
The distributed optical fiber vibration sensor that upper surface is arranged, described distributed optical fiber vibration sensor top is higher than described wire casing top
Portion, described distributed optical fiber vibration sensor is connected with described monitoring center.
8. urban distribution network buried cable passage on-line monitoring platform as claimed in claim 7, it is characterised in that：Described distributed
Optical fibre vibration sensor top is higher than described wire casing top 0.5cm to 1cm.
9. urban distribution network buried cable passage on-line monitoring platform as claimed in claim 8, it is characterised in that：Described elasticity is propped up
Support mechanism includes the elastic caoutchouc of strip, and described elastic supporting mechanism upper surface arranges and matches with described distributed fiberoptic sensor
The arc cell body closing, described distributed fiberoptic sensor lower surface bonds together with the surface of described arc cell body.
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| CN201610765793.5A CN106441423A (en) | 2016-08-31 | 2016-08-31 | Online monitoring platform for underground cable channels of urban power grids |
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| CN108515986A (en) * | 2018-03-16 | 2018-09-11 | 福建英格尔电气设备有限公司 | A kind of subway tunnel artificial intelligence robot |
| CN108827383A (en) * | 2018-06-22 | 2018-11-16 | 国网山东省电力公司济南市章丘区供电公司 | Intelligent comprehensive cable passage inspection device |
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| CN110823480A (en) * | 2019-10-31 | 2020-02-21 | 湖南国奥电力设备有限公司 | Underground cable fault early warning method and device based on gas detection |
| CN111127825A (en) * | 2019-12-25 | 2020-05-08 | 深圳供电局有限公司 | Environment prediction method and device and electronic equipment |
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Application publication date: 20170222 |