CN103487726A - System for online monitoring faults of electric power line - Google Patents
System for online monitoring faults of electric power line Download PDFInfo
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- CN103487726A CN103487726A CN201310483181.3A CN201310483181A CN103487726A CN 103487726 A CN103487726 A CN 103487726A CN 201310483181 A CN201310483181 A CN 201310483181A CN 103487726 A CN103487726 A CN 103487726A
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Abstract
The invention relates to a system for online monitoring faults of an electric power line. The system comprises a remote terminal device and a monitoring master station, wherein the remote terminal device comprises a fault indicator and a line fault data collector which are in communication connection by an RF (radio frequency) network, the monitoring master station comprises a handheld mobile terminal and a microprocessor control terminal, the line fault data collector communicates with the data receivers of the handheld mobile terminal and the microprocessor control terminal through a GSM/GPRS (global system for mobile/general packet radio service) communication module by a mobile communication network, and the upper computer of the microprocessor control terminal communicates with the handheld mobile terminal through a GSM/GPRS generating and receiving data module of the data receiver by the mobile communication network. According to the system, intelligent monitoring is realized; in the manners of on-site indication and remote fault alarm, the fault types and fault points are confirmed, the faults are located accurately and timely; as two terminals are adopted, the faults are alarmed timely, reasonable dispatch is realized, the fault elimination efficiency is improved, and the power distribution reliability is improved.
Description
Technical field
The present invention relates to the power technology field, definite say the feeder line fault on-line monitoring system for field stringing line fault Real-Time Monitoring.
Background technology
Transmission line of electricity is the lifeblood of electric system, and it is undertaking the important task that transmits electric energy.Expanding day along with the electric system scale, high voltage, macro-energy, long-distance transmission line increasing, once transmission line of electricity breaks down, impact on safe operation, industrial and agricultural production and people's daily life of electric system is also more and more large, therefore, the safe operation of guaranteeing transmission line of electricity is very important.
High pressure on electrical network and extra high voltage network are very long, and what have reaches the hundreds of kilometer, and what even have reaches thousands of kilometers.The region of its distribution is wide again.Insulator on transmission line of electricity is exposed in atmosphere for a long time, the impact of climate and environmental baseline, can be under the effect of extraneous factor (as in thunderbolt, mist, rainy, filthy etc.) glimmer, cause the generation of transmission line malfunction, these are inevitable problems in operation of power networks.
After transmission line of electricity breaks down, how the fast finding trouble spot, eliminate power supply recovered from failure, and this is the large problem that operation of power networks is paid close attention to by people so far always.
Traditional is to rely on line walking looking up the fault point, then fault is processed.This mode is time-consuming, but also effort not only, and is difficult to guarantee electric power system and transmission line of electricity safe and stable operation, and people solve the problems referred to above finding a more effective mode for this reason.
Existing Fault Locating Method has several: impedance method, fault analytical method (power frequency parametric method), traveling wave method etc., although the research and development through decades, oneself improves a lot the precision of fault locator, but all there is a common problem: the physical quantity while measuring transmission line of electricity parameter and fault, by calculating, position, and measurement always has error, therefore the result of location just has error, and in practice, this error tends to make line walking without result; While adopting above-mentioned each method, in line road operations staff, can't the very first time know failure message simultaneously, and can't realize that the circuit operations staff is carried out in trouble spot to be allocated, and greatly reduces fault and gets rid of speed and troubleshooting efficiency nearby.
Summary of the invention
The deficiency existed for prior art, the object of the present invention is to provide a kind of localization of fault accurate, realizes that near the circuit operations staff rational management trouble spot rushes to repair in time, thereby greatly improve the feeder line fault on-line monitoring system of power supply reliability.
For achieving the above object, the invention provides following technical scheme: a kind of feeder line fault on-line monitoring system, include remote terminal unit and master station, it is characterized in that: described remote terminal unit includes some groups of fault detector and some the line fault data acquisition units that are placed on circuit, one group of fault detector is comprised of three indicators that are placed in respectively on three-phase line, and a described failure data acquisition device at least adopts the short distance wireless sensor network communication to be connected with one group of fault detector;
Described fault detector includes that thread jamming part divides, housing and be placed in the indicator circuit control section in housing, the indicator circuit control section comprises the indicator MCU with RF, and the indicator power supply be connected with indicator MCU with RF, sample circuit module, indicating fault part and RF signal sending circuit module, on the phase line that the sample circuit module is obtained, the indicator MCU inner analysis of data input tape RF is processed;
Described line fault data acquisition unit comprises casing and collector circuit control section, collector circuit control section includes collector MCU, and the collector power supply be connected with collector MCU, GSM/GPRS communication module and RF signal receiving circuit module; The RF signal receiving circuit module of described line fault data acquisition unit receives the RF fault-signal that at least one group of fault detector, RF signal sending circuit module is sent, and after collector MCU analyzing and processing, failure message and trouble spot information exchange is crossed to the output of GSM/GPRS communication module;
Described master station includes hand-held mobile terminal and microcomputer control terminal, the GSM/GPRS communication module of described line fault collector is connected through mobile communication network with hand-held mobile terminal, the microcomputer control terminal includes host computer and data receiver, data receiver includes single-chip microcomputer, and the mains supply be connected with single-chip microcomputer, GSM/GPRS occurs and the reception data module, connect serial ports, single-chip microcomputer is through connecting serial ports and host computer communication connection, GSM/GPRS occurs and receives data module to receive the fault-signal that the GSM/GPRS communication module is exported, and send in single-chip microcomputer, described host computer occurs and receives data module to be connected with the hand-held mobile terminal communication through the GSM/GPRS of data receiver.
The feeder line fault on-line monitoring system course of work of the present invention is: fault detector is hung on the line, and the line fault data acquisition unit is placed near the line bar fault detector with its communication, sample circuit module in fault detector sends to the indicator MCU with RF by the electric signal on circuit, indicator MCU with RF is analyzed electric signal, make on circuit and whether breaking down and whether the driving malfunction indicating section carries out indicating fault, as break down, indicator MCU with RF produces the RF fault-signal, and sends through RF signal sending circuit module, the RF signal receiving circuit module of line fault data acquisition unit receives the RF fault-signal that fault detector sends, send into collector MCU and carry out the operational analysis processing, further confirm failure message and trouble spot, and be fed to hand-held mobile terminal (mobile phone) and microcomputer control terminal through the GSM/GPRS communication module with the GSM form, the information of data module receiving lines failure data acquisition device transmission occurs and receives in the GSM/GPRS of the data receiver of microcomputer control terminal, and whether the single-chip microcomputer inner analysis of delivering to data receiver is the signal of one's respective area, by connecting serial ports, deliver to host computer in this way, managerial personnel can know the line fault situation through host computer, and can operate through host computer, by GSM/GPRS, occur and receive data module to send information to pre-set hand-held mobile terminal, carry out remote scheduling, its advantage had is: 1) fault detector is realized on-the-spot line fault point indication, signal is sent simultaneously, double shield, realized the accurate localization of faults and realized timely announcement trunk operations staff repairing by fault reporting fault information and trouble spot the very first time, 2) master station comprises hand-held mobile terminal and microcomputer control terminal, line fault data acquisition unit while and hand-held mobile terminal and the communication of microcomputer control terminal, the microcomputer control terminal can with the hand-held mobile terminal communication, when failure message is arranged, realize very first time announcement trunk operations staff, near personnel trouble spot can know failure message in time, fault is got rid of, notify the managerial personnel at microcomputer control terminal place simultaneously, managerial personnel can be according to actual conditions, carry out personal scheduling, realize rational allocation, 3) carry out communication through the RF network between fault detector and line fault data acquisition unit, between line fault data acquisition unit and master station, adopt mobile communication network to carry out communication, the rate of information throughput is fast, fast response time.
The present invention further is set to: described indicator power supply includes the solar powered module of the indicator that is connected with some indicator solar panels, indicator charging circuit module and indicator rechargeable battery, described indicator rechargeable battery is connected through the solar powered module of indicator charging circuit and indicator, realize that the indicator solar panel charges to the indicator rechargeable battery, described indicator rechargeable battery is connected with the indicator MCU with RF, and the solar powered module of indicator is connected with the indicator MCU with RF.
By adopting technique scheme, the indicator solar panel with the indicator rechargeable battery to the parallel power supply of indicator MCU with RF, take the indicator solar panel as main power source, the indicator rechargeable battery is back-up source, guarantee the lasting power supply supply of indicator, guarantee the stable work of indicator, improve working stability and the reliability of system, and without often changing battery, long service life and easy to use.
The present invention further is set to: described housing comprises the cup-shaped enclosure body that is provided with installation cavity, pour into epoxy resin through oral area in the installation cavity of described cup-shaped enclosure body and be formed with the epoxy sealing obturator, the cup-shaped enclosure body outside is fixed with the fimbriatum of taper, described fimbriatum end face is provided with some cell panel mounting grooves of installing that embed for the indicator solar panel, the indicator solar panel is sticked in the cell panel mounting groove, be provided with the line hole be communicated with installation cavity on the cup-shaped enclosure body in described cell panel mounting groove, described fimbriatum is fixed on the cup-shaped enclosure body and closes on apical position.
By adopting technique scheme, fault detector adopts the fimbriatum of taper, for solar panel, install, on the one hand, facilitate solar panel to install, solar panel inclination at an angle after installing, better receive solar radiation, on the other hand, fimbriatum covers on cup-shaped enclosure body upside, has certain protective effect; And pour into epoxy resin formation filling sealing through oral area in the cup-shaped enclosure body; realize Rainproof moisture-proof; improve the protection of fault detector internal part; especially fault detector is arranged on the stringing of field; the employing encapsulating is processed; can greatly reduce the failure rate of fault detector, improve its serviceable life.
The present invention further is set to: described fimbriatum end face is provided with four and embeds the cell panel mounting groove of installing for the indicator solar panel, the corresponding indicator solar panel of each cell panel mounting groove, the cell panel mounting groove is evenly distributed on the fimbriatum end face.
By adopting technique scheme, the end face of fimbriatum all has solar panel on four orientation, improves solar powered ability.
The present invention further is set to: described indicating fault partly comprises LED indicating circuit and LED light, described LED indicating circuit is placed in the installation cavity of cup-shaped enclosure body, LED light is fixed on cup-shaped enclosure body bottom, and the bottom of described cup-shaped enclosure body exceeds the lower limb setting of fimbriatum.
By adopting technique scheme, the LED lamp is realized indicating fault, and LED light is positioned at cup-shaped enclosure body bottom, the indicating fault part-structure is simple, and the bottom of cup-shaped enclosure body exceeds the lower limb setting of fimbriatum, and the easy access personnel observe LED light, confirm trouble spot.
The present invention further is set to: described collector power supply includes the solar powered module of collector, collector rechargeable battery and collector battery charger module, the solar powered module of described collector is connected with the collector solar panel, the collector solar panel is fixed on casing, the solar powered module of described collector is connected with the collector rechargeable battery through collector battery charger module, realize that the collector solar panel charges to the collector rechargeable battery, described collector rechargeable battery connects with collector MCU, the solar powered module of collector is connected with collector MCU.
By adopting technique scheme, the collector solar panel with the collector rechargeable battery to the parallel power supply of collector MCU, take the collector solar panel as main power source, the collector rechargeable battery is back-up source, realization is to line fault collector continued power, and assurance line fault collector is worked continually and steadily.
The present invention further is set to: on the tank wall of described casing rear, be welded with mounting bracket, on the tank wall of casing top, be welded with for the fixing fixed support of collector solar panel, locking door and the protruding frame of annular brace coordinated with door are installed on the tank wall of casing the place ahead, support the front tank wall that protruding frame exceeds casing, the protruding frame vertical sectional shape of described support is " ┐ " shape, support protruding frame and include the connection deckle board, connecting deckle board one end is fixed on casing, connect the deckle board other end and be formed with the sealing supporting plate turned up, described casing is visited and is included door-plate, the all sides of door-plate are provided with an edge, and door forms along surrounding to be buckled in to support on protruding frame on door-plate the fastening cavity be sealed and matched, the sealing supporting plate outward flange of the protruding frame of described support is sealed and matched along fitting with door, the sealing supporting plate front end face of the protruding frame of described support and door-plate fit and are sealed and matched, casing left side tank wall, right side tank wall and bottom tank wall are provided with ventilation window, and on casing left side tank wall and right side tank wall, ventilation window is shutter.
By adopting technique scheme, the mounting bracket at casing rear and the fixed support at top are welded on casing, guarantee the complete of tank wall, realize the excellent sealing waterproof, the door design in casing the place ahead and the protruding frame of support coordinated with door, the assurance door is closed tight, realize good water resistance, casing left side tank wall, on right side tank wall and bottom tank wall, ventilation window is realized the ventilation effect that box house is good, and for casing left side tank wall, the ventilation window of right side tank wall designs for shutter, prevent that rainwater from entering in casing, thereby reach casing whole good ventilation and heat performance and rain proofness, line fault collector quality and the serviceable life of raising in field, improve the stability of system works.
The present invention further is set to: described short distance wireless sensor network is the 2.4G radio frequency network.
By adopting technique scheme, adopt the 2.4G radio frequency network, the communication speed between a plurality of fault detectors and line fault data acquisition unit is fast, good stability, and signal emission power consumption is little.
The present invention further is set to: described collector MCU also is connected with the serial communication circuit module with maintenance interface.
By adopting technique scheme, the serial communication circuit module is as maintenance interface inquiry circuit some relevant informations of fault acquisition device and historical data.
Below in conjunction with accompanying drawing, the invention will be further described.
The accompanying drawing explanation
Fig. 1 is specific embodiment of the invention feeder line fault on-line monitoring system theory diagram;
Fig. 2 is specific embodiment of the invention fault detector three-dimensional view;
Fig. 3 is specific embodiment of the invention fault detector structural representation;
Fig. 4 is the structural representation after specific embodiment of the invention line fault data acquisition unit is arranged on electric pole;
The structural representation that Fig. 5 is specific embodiment of the invention line fault data acquisition unit.
Embodiment
Referring to accompanying drawing 1, to accompanying drawing 5, a kind of feeder line fault on-line monitoring system disclosed by the invention, include remote terminal unit and master station; Described remote terminal unit includes some groups of fault detector 1 and some the line fault data acquisition units 2 that are placed on circuit, one group of fault detector 1 is comprised of three indicators 1 that are placed in respectively on three-phase line, and a described failure data acquisition device 2 at least adopts the short distance wireless sensor network communication to be connected with one group of fault detector 1; In this specific embodiment, failure data acquisition device 2 adopts the communication of 2.4G radio frequency network to be connected with fault detector 1.Described master station includes hand-held mobile terminal and microcomputer control terminal; Described line fault collector 2 is connected through mobile communication network with hand-held mobile terminal; Line fault collector 2 is connected through mobile communication network with the microcomputer control terminal, and the microcomputer control terminal adopts mobile communication network to be connected with hand-held mobile terminal.
Described fault detector 1 includes that thread jamming part divides 10, housing 11 and be placed in the indicator circuit control section in housing 11; The indicator circuit control section comprises the indicator MCU with RF, and the indicator power supply, sample circuit module, indicating fault part 13 and the RF signal sending circuit module that with indicator MCU with RF, are connected.Sample circuit is formed by being wrapped in signals collecting winding, resonant circuit and comparison on-off circuit on high magnetic conduction link; By signals collecting winding picked up signal, separate to amplify and to carry out the first-harmonic filtering through resonant circuit, be tuned to quintuple harmonics, rectification is defeated by the comparison on-off circuit after processing, when the voltage signal after processing is greater than the setting value of comparison on-off circuit, the indicator MCU sent into RF carries out data acquisition and processing (DAP); Driving malfunction indicating section indication fault of fault is arranged, simultaneously through RF signal sending circuit module output RF fault-signal.
Described housing 11 comprises the cup-shaped enclosure body 111 that is provided with installation cavity, cup-shaped enclosure body 111 bottoms are embedded with mounting seat 112, be formed with installation step in cup-shaped enclosure body 111 bottoms, mounting seat 112 is with bearing edge, the bearing edge of mounting seat 112 is supported on the installation step of cup-shaped enclosure body 111, and connect through sealant sealing, realize cup-shaped enclosure body 111 sealed bottoms; Pour into epoxy resin through oral area in the installation cavity of cup-shaped enclosure body 111 and form epoxy sealing obturator 113; Realize like this cup-shaped enclosure body 111 design of Sealing Structure, effectively protection is positioned at the electron device of installation cavity, improves field adaptive faculty and serviceable life.Cup-shaped enclosure body 111 outsides are fixed with the fimbriatum 114 of taper; Adopt cup-shaped enclosure body 111 and the whole machine-shaping of fimbriatum 114, wherein angle α=45 ° between fimbriatum 114 and cup-shaped enclosure body 111 in this specific embodiment; Be provided with some cell panel mounting grooves 1141 that embed installation for indicator solar panel 121 at fimbriatum 114 end faces, in this specific embodiment, be provided with four at fimbriatum 23 end faces and embed for indicator solar panel 121 the cell panel mounting groove 1141 of installing, cell panel mounting groove 1141 is evenly distributed on fimbriatum 114 end faces; Indicator solar panel 121 is arranged in cell panel mounting groove 1141, and indicator solar panel 121 adopts in sealant sealing self-contained battery plate mounting groove 1141, fixing so reliable, realizes positiver sealing simultaneously.Adopt four settings, form and be positioned at four indicator solar panels 121 on orientation, improve the power supply capacity of indicator solar panel 121.Be provided with the line hole 1142 be communicated with installation cavity on cup-shaped enclosure body 111 in cell panel mounting groove 1141, in this specific embodiment, be provided with and be connected convex tendon 1143 between the inboard corresponding cell panel mounting groove of fimbriatum 112 1141 positions and cup-shaped enclosure body 111, line hole 1142 is arranged on and connects in convex tendon 1143, be convenient to like this setting in line hole, connect convex tendon simultaneously and play the effect of fimbriatum support reinforcing, housing is more firm.Described fimbriatum is fixed on cup-shaped enclosure body 111 and closes on apical position.
Wherein, described indicating fault part 13 comprises LED indicating circuit and LED light 131, described LED indicating circuit is placed in the installation cavity of cup-shaped enclosure body 111, LED light 131 is fixed on cup-shaped enclosure body 111 bottoms, and the bottom of described cup-shaped enclosure body 111 exceeds the lower limb setting of fimbriatum 112.Adopt the LED lamp to realize indicating fault, LED light is positioned at cup-shaped enclosure body bottom, and the indicating fault part-structure is simple, and the bottom of cup-shaped enclosure body exceeds the lower limb setting of fimbriatum, and the easy access personnel observe LED light, find trouble spot.
Described line fault data acquisition unit 2 includes casing 21 and the collector control circuit part of band door 211, and the collector control circuit partly comprises collector power supply and the surface-mounted integrated circuit that is positioned at casing 21; On described surface-mounted integrated circuit, mainly by RF signal receiving circuit module, collector MCU, GSM/GPRS module and serial communication circuit module integration, formed.Described RF signal receiving circuit module, GSM/GPRS information sending module, serial communication circuit module and collector power supply all communicate to connect with collector MCU; The serial communication circuit module, as maintenance interface, when circuit fault acquisition device no signal is sent, is inquired about circuit some relevant informations of fault acquisition device and historical data.The RF signal receiving circuit module of described line fault data acquisition unit receives the RF fault-signal that at least one group of fault detector, RF signal sending circuit module is sent, and after collector MCU analyzing and processing, failure message and trouble spot information exchange is crossed to the output of GSM/GPRS communication module.
Described collector power supply includes the solar powered module of collector, collector rechargeable battery and collector battery charger module; The solar powered module of described collector is connected with collector solar panel 221; Collector solar panel 221 is fixed on casing 21 top tank walls; facilitate the fixed installation of solar panel 221; and after the line fault collector is contained on electric pole 3; 3 pairs of solar panels of electric pole 221 form certain blocking; solar panel 221 is formed to certain protection; be provided with on the tank wall of top for solar panel 221 and connect the through wires hole that wire passes, and on solar panel 221, the connection wire adopts sealant sealing through after through wires hole.The solar powered module of described collector is connected with the collector rechargeable battery through collector battery charger module, realizes 221 pairs of collector rechargeable battery chargings of collector solar panel; Described collector rechargeable battery is connected with collector MCU; The solar powered module of collector is connected with collector MCU.The employing solar panel is main electricity, and rechargeable battery is standby power supply, ensures that circuit failure data acquisition utensil has continual and steady Power supply, guarantees the continual and steady work of line fault data acquisition unit; And solar panel all is connected with collector MCU with rechargeable battery, realize power supply, power more reliable.
Be provided with the fixed support 22 for fixed solar cell panel 221 on the tank wall of the top of described casing 21; Fixed support 22 is welded on the top tank wall of casing 21, and collector solar panel 221 be take the inclination that angle of inclination is 45 ° to 60 ° and installed, and not only collector solar panel 221 is exposed to sunlight manyly, and installs comparatively attractive in appearance.
Casing 21 the place ahead tank walls are provided with door 211, and casing 21 rear tank walls are provided with casing 21 is fixed on to the fixed support on electric pole 3; Fixed support is welded on casing 21 rear tank walls; Fixed support comprises fixed cross beam 231 and the positioning seat 232 of vertical distribution, fixed cross beam 231 is welded on casing 21 rear tank walls and is positioned at positioning seat 232 top positions, described positioning seat 232 is positioned at the lateral mid-point of casing 21 rear tank walls, and fixed cross beam 231 is horizontally installed on casing 21 rear tank walls.Casing 21 rear tank walls are stretched out at fixed cross beam 231 two ends, and fixed cross beam 231 transverse ends are stretched out casing 21 rear tank walls and partly are provided with connecting hole 2311, and described positioning seat 232 is provided with pilot hole 2321 longitudinally.Wherein, fixed cross beam 231 be opening towards rearward channel-section steel shape, positioning seat 232 adopts the channel-section steel oral areas to abut on casing 21 rear tank walls and is welded and fixed formation, during installation, electric pole anchor ear 4 is fixed on electric pole 3, on positioning seat 232, pilot hole 2321 is inserted on electric pole anchor ear 4 on the plate with the semi-ring of plate, and insert in the connecting hole 2311 of fixed cross beams 231 at U-bolt 5 two ends, through nut, holds tightly and be fixed on electric pole, the positioning seat 232 that is positioned at like this below is realized being supported and fixed on electric pole anchor ear 4 of casing 21 bottoms, realization is held tightly and is fixed on electric pole 3, fixed cross beam 231 can be for after U-bolt 5 assemblings, holding tightly and be fixed on electric pole 3, casing 21 integral body that realize the line fault collector are held tightly and are fixed on electric pole 3, casing 21 longitudinal stresses are reliable, after casing 21 is arranged on electric pole 3, casing 21 is over against electric pole 3, the reasonable stress of fixed cross beam 231 and positioning seat 232, difficult drop-off, the fixation of line fault collector is reliable, and after this structure is installed, electric pole 3 forms certain blocking, casing 21 wind areas reduce, the fixation of line fault collector is reliable.
The place, front tank wall doorway of described casing 21 is provided with the protruding frame 213 of the annular brace cooperatively interacted with door 211, supports the front tank wall that protruding frame 213 exceeds casing 21; Protruding frame 213 vertical sectional shapes of described support are " ┐ " shape, support protruding frame 213 and include connection deckle board 2131, connect deckle board 2,131 one ends and are fixed on casing 21, connect deckle board 2131 other ends and are formed with the sealing supporting plate 2132 turned up; Described casing 21 is visited and 211 is included door-plate 2111, and door-plate 2111 is provided with door lock 2112, and 2111 weeks sides of door-plate are provided with along 2113, and door surrounds on door-plate 2111 along 2113 to be buckled in to support on protruding frame 213 and forms the fastening cavity 2114 be sealed and matched; Door 211 is while closing, and support protruding frame 213 and embed and fasten in cavitys 2114, and sealing supporting plate 2132 outward flanges that support protruding frame 213 fits and is sealed and matched along 2113 with door, supports sealing supporting plate 2132 front end faces of protruding frame 213 and door-plate 2111 and fits and be sealed and matched.And close on along all sides of 2113 and be fixed with elastic sealing gasket 2115 at door-plate 2111, elastic sealing gasket 2115 is close to and is sealed and matched with sealing supporting plate 2132 front end faces when described door 211 is closed, elastic sealing gasket 2115 adopts elastic sheet metal, elastic sheet metal is fixed along a side of 2113 near door, relative opposite side is that to leave door-plate 2111 upturned, thereby form, reliably is pressed against on sealing supporting plate 2132 front end faces.Adopt the sheet metal longer service life.For ease of ventilation and heat, be provided with air vent 214 on the left side of casing 21 tank wall, right side tank wall and bottom tank wall, and for making casing 1 have rainproof effect, the air vent on the left and right side tank wall is the shutter structure, reaches so good result of ventilating heat dissipation and rain-proof effect.
Described microcomputer control terminal includes host computer and data receiver; Data receiver includes single-chip microcomputer, and the mains supply be connected with single-chip microcomputer, GSM/GPRS occur and receive data module, connect serial ports; Single-chip microcomputer is through connecting serial ports and host computer communication connection.GSM/GPRS occurs and receives the fault-signal that data module receives the output of GSM/GPRS communication module, and sends in single-chip microcomputer, determines whether the one's respective area signal, is to send to host computer to be reported to the police fault-signal; Described host computer occurs and receives data module to be connected with the hand-held mobile terminal communication through the GSM/GPRS of data receiver; The managerial personnel that realize microcomputer control terminal place communicate by letter with the circuit operations staff, realize remote scheduling.Wherein, in this specific embodiment, the SIM900A industrial module of data module employing Simcom company occurs and receives in described GSM/GPRS communication module and GSM/GPRS, the GSM/GPRS module of double frequency, support GSM note/GPRS data-transformation facility, facilitate the expansion of function, the frequency range of work is: EGSM 900MHz and DCS1800MHz; Support GPRS multi-slot class 10/ class 8 and GPRS coded format CS-1, CS-2, CS-3, CS-4; Embedded ICP/IP protocol, the TCP/IP AT order of expansion allows the user can be easy to use ICP/IP protocol.
The feeder line fault on-line monitoring system course of work of the present invention is: fault detector is hung on the line, and the line fault data acquisition unit is placed near the line bar fault detector with its communication; Whether the sample circuit module in fault detector sends to the indicator MCU with RF by the electric signal on circuit, with the indicator MCU of RF, electric signal is analyzed, make on circuit breaking down and whether the driving malfunction indicating section carries out indicating fault; As break down, with the indicator MCU generation RF fault-signal of RF, and send through RF signal sending circuit module.The RF signal receiving circuit module of line fault data acquisition unit receives the RF fault-signal that fault detector sends, send into collector MCU and carry out the operational analysis processing, further confirm failure message and trouble spot, and be fed to hand-held mobile terminal (mobile phone) and microcomputer control terminal through the GSM/GPRS communication module with the GSM form.The information of data module receiving lines failure data acquisition device transmission occurs and receives in the GSM/GPRS of the data receiver of microcomputer control terminal, and whether the single-chip microcomputer inner analysis of delivering to data receiver is the signal of one's respective area, by connecting serial ports, deliver to host computer in this way, managerial personnel can know the line fault situation through host computer, and can operate through host computer, occur and receive data module to send information to pre-set hand-held mobile terminal by GSM/GPRS, carry out remote scheduling.
Its advantage had is: 1) fault detector is realized on-the-spot line fault point indication, signal is sent simultaneously, double shield, realized the accurate localization of faults and realized timely announcement trunk operations staff repairing by fault reporting fault information and trouble spot the very first time; 2) master station comprises hand-held mobile terminal and microcomputer control terminal, line fault data acquisition unit while and hand-held mobile terminal and the communication of microcomputer control terminal, the microcomputer control terminal can with the hand-held mobile terminal communication, when failure message is arranged, realize very first time announcement trunk operations staff, near personnel trouble spot can know failure message in time, fault is got rid of, notify the managerial personnel at microcomputer control terminal place simultaneously, managerial personnel can be according to actual conditions, carry out personal scheduling, realize rational allocation; 3) carry out communication through the RF of 2.4GD network between fault detector and line fault data acquisition unit, between line fault data acquisition unit and master station, adopt mobile communication network to carry out communication, the rate of information throughput is fast, fast response time; 4) fault detector and line fault collector all adopt sun power and battery auxiliary power supply, and power supply is reliable, less energy consumption, long service life.
Claims (9)
1. a feeder line fault on-line monitoring system, include remote terminal unit and master station, it is characterized in that: described remote terminal unit includes some groups of fault detector and some the line fault data acquisition units that are placed on circuit, one group of fault detector is comprised of three indicators that are placed in respectively on three-phase line, and a described failure data acquisition device at least adopts the short distance wireless sensor network communication to be connected with one group of fault detector;
Described fault detector includes that thread jamming part divides, housing and be placed in the indicator circuit control section in housing, the indicator circuit control section comprises the indicator MCU with RF, and the indicator power supply be connected with indicator MCU with RF, sample circuit module, indicating fault part and RF signal sending circuit module, on the phase line that the sample circuit module is obtained, the indicator MCU inner analysis of data input tape RF is processed;
Described line fault data acquisition unit comprises casing and collector circuit control section, collector circuit control section includes collector MCU, and the collector power supply be connected with collector MCU, GSM/GPRS communication module and RF signal receiving circuit module; The RF signal receiving circuit module of described line fault data acquisition unit receives the RF fault-signal that at least one group of fault detector, RF signal sending circuit module is sent, and after collector MCU analyzing and processing, failure message and trouble spot information exchange is crossed to the output of GSM/GPRS communication module;
Described master station includes hand-held mobile terminal and microcomputer control terminal, the GSM/GPRS communication module of described line fault collector is connected through mobile communication network with hand-held mobile terminal, the microcomputer control terminal includes host computer and data receiver, data receiver includes single-chip microcomputer, and the mains supply be connected with single-chip microcomputer, GSM/GPRS occurs and the reception data module, connect serial ports, single-chip microcomputer is through connecting serial ports and host computer communication connection, GSM/GPRS occurs and receives data module to receive the fault-signal that the GSM/GPRS communication module is exported, and send in single-chip microcomputer, described host computer occurs and receives data module to be connected with the hand-held mobile terminal communication through the GSM/GPRS of data receiver.
2. feeder line fault on-line monitoring system according to claim 1, it is characterized in that: described indicator power supply includes the solar powered module of the indicator that is connected with some indicator solar panels, indicator charging circuit module and indicator rechargeable battery, described indicator rechargeable battery is connected through the solar powered module of indicator charging circuit and indicator, realize that the indicator solar panel charges to the indicator rechargeable battery, described indicator rechargeable battery is connected with the indicator MCU with RF, the solar powered module of indicator is connected with the indicator MCU with RF.
3. feeder line fault on-line monitoring system according to claim 2, it is characterized in that: described housing comprises the cup-shaped enclosure body that is provided with installation cavity, pour into epoxy resin through oral area in the installation cavity of described cup-shaped enclosure body and be formed with the epoxy sealing obturator, the cup-shaped enclosure body outside is fixed with the fimbriatum of taper, described fimbriatum end face is provided with some cell panel mounting grooves of installing that embed for the indicator solar panel, the indicator solar panel is sticked in the cell panel mounting groove, be provided with the line hole be communicated with installation cavity on the cup-shaped enclosure body in described cell panel mounting groove, described fimbriatum is fixed on the cup-shaped enclosure body and closes on apical position.
4. feeder line fault on-line monitoring system according to claim 3, it is characterized in that: described fimbriatum end face is provided with four and embeds the cell panel mounting groove of installing for the indicator solar panel, the corresponding indicator solar panel of each cell panel mounting groove, the cell panel mounting groove is evenly distributed on the fimbriatum end face.
5. according to the described feeder line fault on-line monitoring system of claim 3 or 4, it is characterized in that: described indicating fault partly comprises LED indicating circuit and LED light, described LED indicating circuit is placed in the installation cavity of cup-shaped enclosure body, LED light is fixed on cup-shaped enclosure body bottom, and the bottom of described cup-shaped enclosure body exceeds the lower limb setting of fimbriatum.
6. according to claim 1 or 2 or 3 described feeder line fault on-line monitoring systems, it is characterized in that: described collector power supply includes the solar powered module of collector, collector rechargeable battery and collector battery charger module, the solar powered module of described collector is connected with the collector solar panel, the collector solar panel is fixed on casing, the solar powered module of described collector is connected with the collector rechargeable battery through collector battery charger module, realize that the collector solar panel charges to the collector rechargeable battery, described collector rechargeable battery connects with collector MCU, the solar powered module of collector is connected with collector MCU.
7. feeder line fault on-line monitoring system according to claim 6, it is characterized in that: on the tank wall of described casing rear, be welded with mounting bracket, on the tank wall of casing top, be welded with for the fixing fixed support of collector solar panel, locking door and the protruding frame of annular brace coordinated with door are installed on the tank wall of casing the place ahead, support the front tank wall that protruding frame exceeds casing, the protruding frame vertical sectional shape of described support is " ┐ " shape, support protruding frame and include the connection deckle board, connecting deckle board one end is fixed on casing, connect the deckle board other end and be formed with the sealing supporting plate turned up, described casing is visited and is included door-plate, the all sides of door-plate are provided with an edge, and door forms along surrounding to be buckled in to support on protruding frame on door-plate the fastening cavity be sealed and matched, the sealing supporting plate outward flange of the protruding frame of described support is sealed and matched along fitting with door, the sealing supporting plate front end face of the protruding frame of described support and door-plate fit and are sealed and matched, casing left side tank wall, right side tank wall and bottom tank wall are provided with ventilation window, and on casing left side tank wall and right side tank wall, ventilation window is shutter.
8. feeder line fault on-line monitoring system according to claim 1, it is characterized in that: described short distance wireless sensor network is the 2.4G radio frequency network.
9. feeder line fault on-line monitoring system according to claim 1, it is characterized in that: described collector MCU also is connected with the serial communication circuit module with maintenance interface.
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| CN201310483181.3A CN103487726B (en) | 2013-10-15 | 2013-10-15 | Feeder line fault on-line monitoring system |
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| CN201310483181.3A CN103487726B (en) | 2013-10-15 | 2013-10-15 | Feeder line fault on-line monitoring system |
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| CN103487726A true CN103487726A (en) | 2014-01-01 |
| CN103487726B CN103487726B (en) | 2016-03-30 |
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| CN106685077A (en) * | 2016-11-28 | 2017-05-17 | 国家电网公司 | Power grid dispatching emergency disposal integrated platform |
| CN107607831A (en) * | 2017-07-31 | 2018-01-19 | 国网天津市电力公司 | A kind of long-range street lamp fault monitoring instruction system |
| CN108063625A (en) * | 2017-12-18 | 2018-05-22 | 徐州亚都环境科技有限公司 | A kind of locating signal receiver |
| CN110491083A (en) * | 2019-08-28 | 2019-11-22 | 国网冀北电力有限公司唐山供电公司 | A kind of anti-personnel's electric shock monitoring warning device and its application method of fishing of high-tension overhead line |
| CN110599755A (en) * | 2019-09-18 | 2019-12-20 | 国网江西省电力有限公司宜春供电分公司 | Tower pole wireless sensing adapter based on Internet of things |
| CN111583606A (en) * | 2020-04-22 | 2020-08-25 | 云南电网有限责任公司昭通供电局 | Image recognition-based real-time early warning device for dangerous points of power transmission line and using method |
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