CN103487726B - Feeder line fault on-line monitoring system - Google Patents
Feeder line fault on-line monitoring system Download PDFInfo
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- CN103487726B CN103487726B CN201310483181.3A CN201310483181A CN103487726B CN 103487726 B CN103487726 B CN 103487726B CN 201310483181 A CN201310483181 A CN 201310483181A CN 103487726 B CN103487726 B CN 103487726B
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Abstract
The present invention relates to a kind of feeder line fault on-line monitoring system, comprise remote terminal unit and master station, remote terminal unit comprises fault detector and failure data acquisition device, failure data acquisition device and fault detector adopt RF network communication to be connected, master station comprises hand-held mobile terminal and microcomputer control terminal, failure data acquisition device is by GSM/GPRS communication module and hand-held mobile terminal, the data receiver of microcomputer control terminal adopts mobile communications network to carry out communication, the host computer of microcomputer control terminal occurs through the GSM/GPRS of data receiver and receives data module and hand-held mobile terminal adopts mobile communications network to carry out communication.Realize Intellectualized monitoring, the form of reporting to the police with scene instruction and remote failure, realizes fault type and trouble spot confirms, localization of fault accurately and timely, adopts two Terminal Designs, and fault is reminded in time, realize rational management, improve Failure elimination efficiency, improve power supply reliability.
Description
Technical field
The present invention relates to technical field of electric power, is specifically 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, which is responsible the important task transmitting electric energy.Along with the expanding day of electric system scale, high voltage, macro-energy, long-distance transmission line increasing, once transmission line of electricity breaks down, also more and more large on the impact of the safe operation of electric system, industrial and agricultural production and people's daily life, therefore, guarantee that the safe operation of transmission line of electricity is very important.
High pressure on electrical network and extra high voltage network are very long, and what have reaches hundreds of kilometer, and what even have reaches thousands of kilometer.The region of its distribution is wide again.Insulator on transmission line of electricity exposes in an atmosphere for a long time, the impact of climate and environmental baseline, can 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 fast finding trouble spot, eliminates power supply recovered from failure, and this is that operation of power networks is so far always by the large problem that people pay close attention to.
Traditional is rely on line walking looking up the fault point, then processes fault.This mode not only time-consuming, but also to require great effort, and be difficult to ensure electric power system and transmission line of electricity safe and stable operation, people solve the problems referred to above in searching 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 through the research and development of decades, the precision of fault locator oneself improve a lot, but all there is a common problem: namely measure physical quantity when transmission line of electricity parameter and fault, position by calculating, and measurement always has error, the result of therefore locating just has error, and in practice, this error often makes line walking without result; When adopting above-mentioned each method, being in row line operations staff cannot know failure message the very first time simultaneously, and cannot realize allocating nearby trouble spot implementation circuit operations staff, greatly reduces failture evacuation speed and troubleshooting efficiency.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of localization of fault accurate, the circuit operations staff realized near rational management trouble spot rushes to repair in time, thus greatly improves 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 and is placed in fault detector on circuit and some failure data acquisition devices, one group of fault detector is made up of the indicator that three are placed on three-phase line respectively, and a failure data acquisition device at least adopts 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 the indicator circuit control section that is placed in housing, indicator circuit control section comprises the indicator MCU of band RF, and with indicator MCU the indicator power supply, sample circuit module, indicating fault part and the RF signal sending circuit module that are connected of band RF, the indicator MCU inner analysis process of data input tape RF in the phase line of sample circuit module acquisition;
Described failure data acquisition device comprises casing and collector circuit control part, and collector circuit control part 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 failure data acquisition device receives the RF fault-signal that at least one group of fault detector, RF signal sending circuit module sends, and failure message and trouble spot information is exported by GSM/GPRS communication module after collector MCU analyzing and processing;
Described master station includes hand-held mobile terminal and microcomputer control terminal, the GSM/GPRS communication module of described failure data acquisition device is connected through mobile communication network with hand-held mobile terminal, microcomputer control terminal includes host computer and data receiver, data receiver includes single-chip microcomputer, and the mains supply to be connected with single-chip microcomputer, GSM/GPRS occurs and receives data module, connect serial ports, single-chip microcomputer communicates to connect through connection serial ports and host computer, GSM/GPRS occurs and receives the fault-signal that data module receives the output of GSM/GPRS communication module, and send in single-chip microcomputer, described host computer occurs through the GSM/GPRS of data receiver and receives data module to be connected with hand-held mobile terminal communication.
The feeder line fault on-line monitoring system course of work of the present invention is: by fault detector hang on the line, failure data acquisition device be placed in the fault detector of its communication near line bar on, electric signal on circuit is sent to the indicator MCU of band RF by the sample circuit module in fault detector, indicator MCU with RF analyzes electric signal, make and whether circuit to break down and whether driving malfunction indicating section carries out indicating fault, as broken down, indicator MCU with RF produces RF fault-signal, and sends through RF signal sending circuit module, the RF signal receiving circuit module of failure data acquisition device receives the RF fault-signal that fault detector sends, send into collector MCU and carry out operational analysis process, further confirmation failure message and trouble spot, and be fed to hand-held mobile terminal (mobile phone) and microcomputer control terminal through GSM/GPRS communication module with GSM form, the GSM/GPRS of the data receiver of microcomputer control terminal occurs and receives the information that data module receives the transmission of failure data acquisition device, and whether the single-chip microcomputer inner analysis delivering to data receiver is the signal of one's respective area, then deliver to host computer by connecting serial ports in this way, managerial personnel can know line fault situation through host computer, and can operate through host computer, occurred by GSM/GPRS 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 realizes the instruction of on-the-spot line fault point, 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, with hand-held mobile terminal and the communication of microcomputer control terminal while of failure data acquisition device, microcomputer control terminal can with hand-held mobile terminal communication, when having failure message, realize very first time announcement trunk operations staff, the personnel be near 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 according to actual conditions, carry out personal scheduling, realize rational allocation, 3) carry out communication through RF network between fault detector and failure data acquisition device, adopt mobile communication network to carry out communication between failure data acquisition device and master station, the rate of information throughput is fast, fast response time.
The present invention is set to further: described indicator power supply includes the solar powered module of indicator being connected with some indicator solar panels, indicator charging circuit module and indicator rechargeable battery, described indicator rechargeable battery is through indicator charging circuit and the solar powered model calling of indicator, realize indicator solar panel to charge to indicator rechargeable battery, described indicator rechargeable battery is connected with the indicator MCU of band RF, and the solar powered module of indicator is connected with the indicator MCU of band RF.
By adopting technique scheme, indicator solar panel and indicator rechargeable battery are to the parallel power supply of indicator MCU of being with RF, with indicator solar panel for main power source, indicator rechargeable battery is back-up source, ensure the power supply supply that indicator continues, ensure the work that indicator is stable to improve working stability and the reliability of system, and without the need to often changing battery, long service life and easy to use.
The present invention is set to further: described housing comprises the cup-shaped enclosure body being 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 epoxy sealing obturator, the fimbriatum of taper is fixed with outside cup-shaped enclosure body, described fimbriatum end face is provided with some cell panel mounting grooves embedding installation for indicator solar panel, indicator solar panel is sticked in cell panel mounting groove, the string holes be communicated with installation cavity in cup-shaped enclosure body is provided with in described cell panel mounting groove, described fimbriatum is fixed in cup-shaped enclosure body and closes on apical position.
By adopting technique scheme, fault detector adopts the fimbriatum of taper, install for solar panel, on the one hand, facilitate solar panel to install, solar panel install after inclination at an angle, better reception sunlight irradiates, on the other hand, fimbriatum covers on the upside of cup-shaped enclosure body, has certain protective effect; And in cup-shaped enclosure body through oral area pour into epoxy resin formed be filled with a sealing; realize Rainproof moisture-proof; improve the protection of fault detector internal part; especially fault detector is arranged on the stringing of field; adopt encapsulating process; greatly can reduce the failure rate of fault detector, improve its serviceable life.
The present invention is set to further: described fimbriatum end face is provided with four and embeds the cell panel mounting groove installed for indicator solar panel, the corresponding indicator solar panel of each cell panel mounting groove, cell panel mounting groove is evenly distributed on fimbriatum end face.
By adopting technique scheme, end face four orientation of fimbriatum all there is solar panel, improves solar powered ability.
The present invention is set to further: described indicating fault part 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 bottom cup-shaped enclosure body, and the bottom of described cup-shaped enclosure body exceeds the lower limb setting of fimbriatum.
By adopting technique scheme, LED realizes indicating fault, and LED light is positioned at bottom cup-shaped enclosure body, indicating fault part-structure is simple, and the lower limb that the bottom of cup-shaped enclosure body exceeds fimbriatum is arranged, easy access personal observations, to LED light, confirms trouble spot.
The present invention is set to further: described collector power supply includes the solar powered module of collector, collector rechargeable battery and collector battery charge circuit block, the solar powered model calling of described collector has collector solar panel, collector solar panel is fixed on casing, the solar powered module of described collector is connected with collector rechargeable battery through collector battery charge circuit block, realize collector solar panel to charge to collector rechargeable battery, described collector rechargeable battery is connected with collector MCU, the solar powered module of collector is connected with collector MCU.
By adopting technique scheme, collector solar panel and collector rechargeable battery are to the parallel power supply of collector MCU, with collector solar panel for main power source, collector rechargeable battery is back-up source, realize failure data acquisition device continued power, ensure that failure data acquisition device works continually and steadily.
The present invention is set to further: described casing rear tank wall is welded with mounting bracket, casing top tank wall is welded with the fixed support for fixing collector solar panel, the convex frame of annular brace casing front tank wall being provided with locking door and coordinating with door, support the front tank wall that convex frame exceeds casing, the convex frame vertical sectional shape of described support is " ┐ " shape, support convex frame and include 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 support on convex frame on door-plate the fastening cavity be sealed and matched, the sealing supporting plate outward flange of the convex frame of described support and door are sealed and matched along fitting, the sealing supporting plate front end face of the convex frame of described support and door-plate fit and are sealed and matched, tank wall on the left of casing, right side tank wall and bottom tank wall are provided with ventilation window, and on the left of casing on tank wall and right side tank wall ventilation window be shutter.
By adopting technique scheme, the mounting bracket at casing rear and the fixed support at top are welded on casing, ensure the complete of tank wall, realize excellent sealing waterproof, the door design in casing front and the convex frame of support that coordinates with door, ensure that door is closed tight, realize good water resistance, tank wall on the left of casing, right side tank wall and bottom tank wall on ventilation window realize the good ventilation effect of box house, and for tank wall on the left of casing, the ventilation window of right side tank wall designs for shutter, prevent rainwater from entering in casing, thus reach the overall good ventilation and heat performance of casing and rain proofness, improve the failure data acquisition device quality and the serviceable life that are in field, improve the stability of system works.
The present invention is set to further: described short distance wireless sensor network is 2.4G radio frequency network.
By adopting technique scheme, adopt 2.4G radio frequency network, the communication speed between multiple fault detector and failure data acquisition device is fast, good stability, and signal transmitting power consumption is little.
The present invention is set to further: described collector MCU is also connected with the serial communication circuit module with maintenance interface.
By adopting technique scheme, serial communication circuit module is as maintenance interface inquiry failure data acquisition some relevant informations of device and historical data.
Below in conjunction with accompanying drawing, the invention will be further described.
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 that the structural representation on utility poles installed by specific embodiment of the invention failure data acquisition device;
Fig. 5 is the structural representation of specific embodiment of the invention failure data acquisition device.
Embodiment
See accompanying drawing 1 to accompanying drawing 5, a kind of feeder line fault on-line monitoring system disclosed by the invention, includes remote terminal unit and master station; Described remote terminal unit includes some groups and is placed in fault detector 1 on circuit and some failure data acquisition devices 2, one group of fault detector 1 is made up of the indicator 1 that three are placed on three-phase line respectively, and a failure data acquisition device 2 at least adopts 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 and fault detector 1 adopt the communication of 2.4G radio frequency network to be connected.Described master station includes hand-held mobile terminal and microcomputer control terminal; Described failure data acquisition device 2 is connected through mobile communication network with hand-held mobile terminal; Failure data acquisition device 2 is connected through mobile communication network with microcomputer control terminal, and microcomputer control terminal and hand-held mobile terminal adopt mobile communication network to be connected.
Described fault detector 1 includes that thread jamming part divides 10, housing 11 and the indicator circuit control section that is placed in housing 11; Indicator circuit control section comprises the indicator MCU of band RF, and the indicator power supply, sample circuit module, indicating fault part 13 and the RF signal sending circuit module that are connected with the indicator MCU of band RF.Sample circuit formed by be wrapped on high magnetic conduction link signals collecting winding, resonant circuit and to compare on-off circuit; Signal is obtained by signals collecting winding, through resonant circuit be separated amplification carry out first-harmonic filtering, be tuned to quintuple harmonics, be defeated by after rectification process and compare on-off circuit, when voltage signal after process is greater than the setting value comparing on-off circuit, the indicator MCU sending into band RF carries out data acquisition and processing (DAP); There is fault then driving malfunction indicating section indication fault, export RF fault-signal through RF signal sending circuit module simultaneously.
Described housing 11 comprises the cup-shaped enclosure body 111 being provided with installation cavity, mounting seat 112 is embedded with bottom cup-shaped enclosure body 111, installation step is formed bottom cup-shaped enclosure body 111, 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 bottom; Pour into epoxy resin through oral area in the installation cavity of cup-shaped enclosure body 111 and form epoxy sealing obturator 113; Realize cup-shaped enclosure body 111 design of Sealing Structure like this, effective protection is positioned at the electron device of installation cavity, improves field adaptive faculty and serviceable life.The fimbriatum 114 of taper is fixed with outside cup-shaped enclosure body 111; Adopt in this specific embodiment cup-shaped enclosure body 111 and fimbriatum 114 overall processing shaping, wherein angle α=45 ° between fimbriatum 114 and cup-shaped enclosure body 111; Some cell panel mounting grooves 1141 embedding installation for indicator solar panel 121 are provided with at fimbriatum 114 end face, in this specific embodiment, be provided with four at fimbriatum 23 end face and embed the cell panel mounting groove 1141 installed for indicator solar panel 121, cell panel mounting groove 1141 is evenly distributed on fimbriatum 114 end face; 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 the indicator solar panel 121 be positioned in four orientation, improve the power supply capacity of indicator solar panel 121.The string holes 1142 be communicated with installation cavity in cup-shaped enclosure body 111 is provided with in cell panel mounting groove 1141, in this specific embodiment, inside fimbriatum 112, corresponding cell panel mounting groove 1141 position is connected convex tendon 1143 with being provided with between cup-shaped enclosure body 111, string holes 1142 is arranged on and connects in convex tendon 1143, be convenient to the setting of string holes like this, connect convex tendon to play the effect of fimbriatum support reinforcing, housing is more firm simultaneously.Described fimbriatum is fixed in 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 bottom cup-shaped enclosure body 111, and the bottom of described cup-shaped enclosure body 111 exceeds the lower limb setting of fimbriatum 112.Adopt LED to realize indicating fault, LED light is positioned at bottom cup-shaped enclosure body, and indicating fault part-structure is simple, and the lower limb that the bottom of cup-shaped enclosure body exceeds fimbriatum is arranged, and easy access personal observations, to LED light, finds trouble spot.
Described failure data acquisition device 2 includes casing 21 and the collector control circuit part of band door 211, and collector control circuit part comprises collector power supply and is positioned at the surface-mounted integrated circuit of casing 21; Described surface-mounted integrated circuit forms primarily of RF signal receiving circuit module, collector MCU, GSM/GPRS module and serial communication circuit module integration.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; Serial communication circuit module, as maintenance interface, when failure data acquisition device no signal sends, inquires about failure data acquisition some relevant informations of device and historical data.The RF signal receiving circuit module of described failure data acquisition device receives the RF fault-signal that at least one group of fault detector, RF signal sending circuit module sends, and failure message and trouble spot information is exported by GSM/GPRS communication module after collector MCU analyzing and processing.
Described collector power supply includes the solar powered module of collector, collector rechargeable battery and collector battery charge circuit block; The solar powered model calling of described collector has collector solar panel 221; Collector solar panel 221 is fixed on the tank wall of casing 21 top; facilitate the fixed installation of solar panel 221; and failure data acquisition device is contained in after on electric pole 3; electric pole 3 pairs of solar panels 221 form certain blocking; certain protection is formed to solar panel 221; top tank wall is provided with and connects for solar panel 221 through wires hole that wire passes, and solar panel 221 connects wire and adopt sealant sealing through after through wires hole.The solar powered module of described collector is connected with collector rechargeable battery through collector battery charge circuit block, realizes the 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.Employing solar panel is main electricity, and rechargeable battery is standby power supply, ensures that failure data acquisition utensil has continual and steady Power supply, ensures the work that failure data acquisition device is continual and steady; And solar panel and rechargeable battery are all connected with collector MCU, realize power supply, power more reliable.
The top tank wall of described casing 21 is provided with the fixed support 22 for fixed solar cell panel 221; Fixed support 22 is welded on the top tank wall of casing 21, and the inclination that collector solar panel 221 is 45 ° to 60 ° with angle of inclination is installed, and not only collector solar panel 221 is exposed to sunlight many, and installs comparatively attractive in appearance.
Casing 21 front tank wall is provided with door 211, and casing 21 rear tank wall is provided with the fixed support be fixed on by casing 21 on electric pole 3; Fixed support is welded on the tank wall of casing 21 rear; Fixed support comprises fixed cross beam 231 and the positioning seat 232 of genesis analysis, fixed cross beam 231 is welded on the tank wall of casing 21 rear and is positioned at positioning seat 232 top position, described positioning seat 232 is positioned at the lateral mid-point of casing 21 rear tank wall, and fixed cross beam 231 is horizontally installed on the tank wall of casing 21 rear.Casing 21 rear tank wall is stretched out at fixed cross beam 231 two ends, and fixed cross beam 231 transverse ends is stretched out casing 21 rear tank wall part and is provided with connecting hole 2311, and described positioning seat 232 is provided with longitudinal pilot hole 2321.Wherein, fixed cross beam 231 be opening towards rearward channel-section steel shape, positioning seat 232 adopts channel-section steel oral area to abut on the tank wall of casing 21 rear 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 the plate of the semi-ring with plate on electric pole anchor ear 4, and U-bolt 5 two ends are inserted in the connecting hole 2311 of fixed cross beam 231, holds tightly fix on utility poles through nut, the positioning seat 232 being positioned at below like this realizes being supported and fixed on electric pole anchor ear 4 bottom casing 21, realization is held tightly and is fixed on electric pole 3, fixed cross beam 231 is held tightly after can assembling for U-bolt 5 and is fixed on electric pole 3, casing 21 entirety realizing failure data acquisition device is held tightly and is fixed on electric pole 3, casing 21 longitudinal stress is reliable, casing 21 is arranged on after on electric pole 3, casing 21 is just to electric pole 3, the reasonable stress of fixed cross beam 231 and positioning seat 232, difficult drop-off, the fixation of failure data acquisition device is reliable, and after this structure installment, electric pole 3 forms certain blocking, casing 21 wind area reduces, the fixation of failure data acquisition device is reliable.
The front tank wall doorway place of described casing 21 is provided with the convex frame 213 of the annular brace cooperatively interacted with door 211, supports the front tank wall that convex frame 213 exceeds casing 21; Described support convex frame 213 vertical sectional shape is " ┐ " shape, supports convex frame 213 and includes connection deckle board 2131, connect deckle board 2131 one end and be fixed on casing 21, connect deckle board 2131 other end and be 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 door-plate 2111 weeks sides are provided with along 2113, and door surrounds to be buckled in support on convex frame 213 along 2113 and forms the fastening cavity 2114 be sealed and matched on door-plate 2111; When door 211 is closed, support convex frame 213 and embed and fasten in cavity 2114, and support sealing supporting plate 2132 outward flange of convex frame 213 and door and fit along 2113 and be sealed and matched, support sealing supporting plate 2132 front end face of convex frame 213 and door-plate 2111 and fit and be sealed and matched.And be fixed with elastic sealing gasket 2115 in all sides that door-plate 2111 to close on along 2113, elastic sealing gasket 2115 is close to sealing supporting plate 2132 front end face when described door 211 is closed and is sealed and matched, elastic sealing gasket 2115 adopts elastic sheet metal, elastic sheet metal is fixed near the side of door along 2113, relative opposite side is upturned in leaving door-plate 2111, thus formation is reliably pressed against on sealing supporting plate 2132 front end face.Adopt sheet metal longer service life.For ease of ventilation and heat, the left side tank wall of casing 21, right side tank wall and bottom tank wall are provided with air vent 214, and for making casing 1 have rainproof effect, the air vent on left and right side tank wall is shutter structure, reaches good result of ventilating heat dissipation and rain-proof effect like this.
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 communicates to connect through connection serial ports and host computer.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 one's respective area signal, is, send to host computer to report to the police fault-signal; Described host computer occurs through the GSM/GPRS of data receiver and receives data module to be connected with hand-held mobile terminal communication; The managerial personnel realizing microcomputer control terminal place communicate with circuit operations staff, realize remote scheduling.Wherein, in this specific embodiment, described GSM/GPRS communication module and GSM/GPRS occur and receive the SIM900A industrial module that data module adopts Simcom company, the GSM/GPRS module of double frequency, support GSM message/GPRS data transfer function, facilitate the expansion of function, the frequency range of work is: EGSM900MHz and DCS1800MHz; Support GPRSmulti-slotclass10/class8 and GPRS coded format CS-1, CS-2, CS-3, CS-4; Embedded ICP/IP protocol, user can be easy to use ICP/IP protocol in the TCP/IPAT order of expansion.
The feeder line fault on-line monitoring system course of work of the present invention is: by fault detector hang on the line, failure data acquisition device be placed in the fault detector of its communication near line bar on; Electric signal on circuit is sent to the indicator MCU of band RF by the sample circuit module in fault detector, and the indicator MCU of band RF analyzes electric signal, makes whether circuit breaking down and whether driving malfunction indicating section carries out indicating fault; As broken down, the indicator MCU of band RF produces RF fault-signal, and sends through RF signal sending circuit module.The RF signal receiving circuit module of failure data acquisition device receives the RF fault-signal that fault detector sends, send into collector MCU and carry out operational analysis process, further confirmation failure message and trouble spot, and be fed to hand-held mobile terminal (mobile phone) and microcomputer control terminal through GSM/GPRS communication module with GSM form.The GSM/GPRS of the data receiver of microcomputer control terminal occurs and receives the information that data module receives the transmission of failure data acquisition device, and whether the single-chip microcomputer inner analysis delivering to data receiver is the signal of one's respective area, then deliver to host computer by connecting serial ports in this way, managerial personnel can know line fault situation through host computer, and can operate through host computer, occurred by GSM/GPRS 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 realizes the instruction of on-the-spot line fault point, 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, with hand-held mobile terminal and the communication of microcomputer control terminal while of failure data acquisition device, microcomputer control terminal can with hand-held mobile terminal communication, when having failure message, realize very first time announcement trunk operations staff, the personnel be near 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 according to actual conditions, carry out personal scheduling, realize rational allocation; 3) the RF network through 2.4GD between fault detector and failure data acquisition device carries out communication, adopts mobile communication network to carry out communication between failure data acquisition device and master station, and the rate of information throughput is fast, fast response time; 4) fault detector and failure data acquisition device all adopt sun power and battery auxiliary power supply, and power supply is reliable, less energy consumption, long service life.
Claims (7)
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 and is placed in fault detector on circuit and some failure data acquisition devices, one group of fault detector is made up of the indicator that three are placed on three-phase line respectively, and a failure data acquisition device at least adopts 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 the indicator circuit control section that is placed in housing, indicator circuit control section comprises the indicator MCU of band RF, and with indicator MCU the indicator power supply, sample circuit module, indicating fault part and the RF signal sending circuit module that are connected of band RF, the indicator MCU inner analysis process of data input tape RF in the phase line of sample circuit module acquisition;
Described failure data acquisition device comprises casing and collector circuit control part, and collector circuit control part 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 failure data acquisition device receives the RF fault-signal that at least one group of fault detector, RF signal sending circuit module sends, and failure message and trouble spot information is exported by GSM/GPRS communication module after collector MCU analyzing and processing;
Described master station includes hand-held mobile terminal and microcomputer control terminal, the GSM/GPRS communication module of described failure data acquisition device is connected through mobile communication network with hand-held mobile terminal, microcomputer control terminal includes host computer and data receiver, data receiver includes single-chip microcomputer, and the mains supply to be connected with single-chip microcomputer, GSM/GPRS occurs and receives data module, connect serial ports, single-chip microcomputer communicates to connect through connection serial ports and host computer, GSM/GPRS occurs and receives the fault-signal that data module receives the output of GSM/GPRS communication module, and send in single-chip microcomputer, described host computer occurs through the GSM/GPRS of data receiver and receives data module to be connected with hand-held mobile terminal communication, described indicator power supply includes the solar powered module of indicator being connected with some indicator solar panels, indicator charging circuit module and indicator rechargeable battery, described indicator rechargeable battery is through indicator charging circuit and the solar powered model calling of indicator, realize indicator solar panel to charge to indicator rechargeable battery, described indicator rechargeable battery is connected with the indicator MCU of band RF, and the solar powered module of indicator is connected with the indicator MCU of band RF, described housing comprises the cup-shaped enclosure body being 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 epoxy sealing obturator, the fimbriatum of taper is fixed with outside cup-shaped enclosure body, described fimbriatum end face is provided with some cell panel mounting grooves embedding installation for indicator solar panel, indicator solar panel is sticked in cell panel mounting groove, the string holes be communicated with installation cavity in cup-shaped enclosure body is provided with in described cell panel mounting groove, described fimbriatum is fixed in cup-shaped enclosure body and closes on apical position.
2. feeder line fault on-line monitoring system according to claim 1, it is characterized in that: described fimbriatum end face is provided with four and embeds the cell panel mounting groove installed for indicator solar panel, the corresponding indicator solar panel of each cell panel mounting groove, cell panel mounting groove is evenly distributed on fimbriatum end face.
3. feeder line fault on-line monitoring system according to claim 1 or 2, it is characterized in that: described indicating fault part 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 bottom cup-shaped enclosure body, and the bottom of described cup-shaped enclosure body exceeds the lower limb setting of fimbriatum.
4. feeder line fault on-line monitoring system according to claim 1, it is characterized in that: described collector power supply includes the solar powered module of collector, collector rechargeable battery and collector battery charge circuit block, the solar powered model calling of described collector has collector solar panel, collector solar panel is fixed on casing, the solar powered module of described collector is connected with collector rechargeable battery through collector battery charge circuit block, realize collector solar panel to charge to collector rechargeable battery, described collector rechargeable battery is connected with collector MCU, the solar powered module of collector is connected with collector MCU.
5. feeder line fault on-line monitoring system according to claim 4, it is characterized in that: described casing rear tank wall is welded with mounting bracket, casing top tank wall is welded with the fixed support for fixing collector solar panel, the convex frame of annular brace casing front tank wall being provided with locking door and coordinating with door, support the front tank wall that convex frame exceeds casing, the convex frame vertical sectional shape of described support is " ┐ " shape, support convex frame and include 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 support on convex frame on door-plate the fastening cavity be sealed and matched, the sealing supporting plate outward flange of the convex frame of described support and door are sealed and matched along fitting, the sealing supporting plate front end face of the convex frame of described support and door-plate fit and are sealed and matched, tank wall on the left of casing, right side tank wall and bottom tank wall are provided with ventilation window, and on the left of casing on tank wall and right side tank wall ventilation window be shutter.
6. feeder line fault on-line monitoring system according to claim 1, is characterized in that: described short distance wireless sensor network is 2.4G radio frequency network.
7. feeder line fault on-line monitoring system according to claim 1, is characterized in that: described collector MCU is also 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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| CN103487726B true CN103487726B (en) | 2016-03-30 |
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