CN106356999B - A kind of distribution network has the communications monitor system of anti-interference transmitting monitor data - Google Patents

A kind of distribution network has the communications monitor system of anti-interference transmitting monitor data Download PDF

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Publication number
CN106356999B
CN106356999B CN201610860825.XA CN201610860825A CN106356999B CN 106356999 B CN106356999 B CN 106356999B CN 201610860825 A CN201610860825 A CN 201610860825A CN 106356999 B CN106356999 B CN 106356999B
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China
Prior art keywords
module
data
server
information
resistance
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CN201610860825.XA
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Chinese (zh)
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CN106356999A (en
Inventor
耿凤
盛建华
李智钰
李峰
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Liangshan Power Supply Co Of State Grid Shandong Electric Power Co
State Grid Corp of China SGCC
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Liangshan Power Supply Co Of State Grid Shandong Electric Power Co
State Grid Corp of China SGCC
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Priority to CN201610860825.XA priority Critical patent/CN106356999B/en
Publication of CN106356999A publication Critical patent/CN106356999A/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/0006Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks
    • H02J13/0013Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit
    • H02J13/0017Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit with direct transmission between the control or monitoring unit and the controlled or monitored unit
    • H02J13/0075Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit with direct transmission between the control or monitoring unit and the controlled or monitored unit using radio means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00019Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using optical means
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/06Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/06Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Abstract

The present invention provides a kind of communications monitor system of the distribution network with anti-interference transmitting monitor data, including:Server, handheld applications terminal and multiple field data acquiring terminals being connect by GPRS or fiber optic communication with server;Handheld applications terminal is before carrying out live inspection, and user is using handheld applications terminal from scene primary data or last time inspection to be maked an inspection tour is downloaded in server as a result, and being stored in the data storage module of handheld applications terminal;When carrying out live electricity consumption inspection, according to onsite user's situation, the inspection of live power equipment is recorded in handheld applications terminal as a result, combining the GPS positioning function for making an inspection tour mobile terminal, the geographical location information of geographical location information or user when the live power utility check of positioning in real time;After inspection, the data information that handheld applications terminal has been acquired is uploaded to server, realizes the data exchange between handheld applications terminal and server, and update server internal database information updating.

Description

A kind of distribution network has the communications monitor system of anti-interference transmitting monitor data
Technical field
The present invention relates to power supply system fields more particularly to a kind of distribution network to have the logical of anti-interference transmitting monitor data Believe monitoring system.
Background technology
For a long time, it mostly uses manual type to the supply network of power supply system and supply station inspection work to carry out, tradition Manual inspection mode that there is only labor intensity is big, working efficiency is low, detection mass-dispersion, the deficiencies of means are single place, And also the data manually detected can not be accurately and timely transmitted in management information system in follow-up work afterwards Data are handled.
Invention content
In order to overcome above-mentioned deficiency in the prior art, the object of the present invention is to provide a kind of distribution networks with anti- The communications monitor system of transmitting monitor data is interfered, including:Server and multiple and server pass through GPRS or fiber optic communication The field data acquiring terminal of connection;
Field data acquiring terminal is arranged in monitored substation or monitored power equipment, and on-site data gathering is whole It holds for being acquired to the data information inside monitored substation or monitored power equipment, and by the data of acquisition Information is uploaded to server;
Field data acquiring terminal includes:Processor, low-pass filter, signal amplification module, wireless communication module, data Acquisition storage module, for obtaining monitoring area video image or obtaining the power equipment video image of being monitored, and by intake The holder of control instruction control camera action of the transmission of video images to the camera of server, for being sent according to server Control module, quantity of state acquisition module, ac analog acquisition module, historical data processing module, the acquisition of potential device data Module, supply line's data acquisition module, breaker data acquisition module, disconnecting switch data acquisition module, earthing switch number According to acquisition module, it is arranged in primary side current mutual inductor, primary side voltage transformer, secondary side current mutual inductance component, secondary side Mutual induction of voltage component;Primary side current mutual inductor acquires primary side three-phase current data and is transferred to server in real time;Primary side Voltage transformer acquires primary side three-phase voltage data and is transferred to server in real time;Secondary side current mutual inductance component acquires in real time Secondary side three-phase current data are simultaneously transferred to server;Secondary side mutual induction of voltage component acquires secondary side three-phase voltage data in real time And it is transferred to server;
Quantity of state acquisition module is conjugated for acquiring low-voltage platform area low tension switch location status, low tension switch in real time When, by low tension switch displacement information storage, and it is sent to processor;
Ac analog acquisition module by requirement predeterminated voltage, electric current, power, power factor analog quantity for being adopted Collection measures voltage, electric current, power, power factor, and has the out-of-limit statistics of voltage monitoring, and voltage class of accuracy is 0.5, tool It is 1 to have harmonic data statistics, harmonic component class of accuracy;
Historical data processing module is used for the data that will acquire as unit of day, in next day zero history of forming day data, And nearest data on the 30th are preserved, all kinds of freeze song every being formed with 15min, 30min, 45min, 60min according to the guick freezing room of setting Line number evidence, and nearest 30 days curve datas are preserved, and it is sent to processor;
Potential device data acquisition module is used for collection site potential device and controller switching equipment compatible with potential device Analog quantity, each side electric current of transformer, voltage, active power, reactive power, coil temperature, oil temperature, and be sent to processor;
Supply line's data acquisition module is used to acquire the electric current of supply line, active power, reactive power;Busbar Voltage, frequency;Three-phase voltage, three-phase current, residual voltage, the zero-sequence current of supply line, and it is sent to processor;
The breaker data acquisition module, disconnecting switch data acquisition module, earthing switch data acquisition module difference For the switching value of collection site equipment, switching value includes:Disconnecting switch, earthing switch position, killer switch position, protection Act resultant signal, on the spot/distant place switch positions, breaker operation mechanism abnormal signal, control loop template signal, protection Alarm signal, protective device fault-signal, and it is sent to processor;
Secondary side current mutual inductance component includes:The input of current transformer, current transformer terminates secondary side circuit, electric current First output end of mutual inductor connects the cathode of diode DdL1, the anode of diode DdL2, transport and placing device electrode input end, electricity respectively Hold CdL1 first ends, resistance RdL1, the second output terminal of current transformer meets the anode of diode DdL1, diode DdL2 respectively Cathode, transport and placing device negative input, transport and placing device output termination secondary side current mutual inductance component output end;Secondary side current is mutual The output end of sense component connects processor by low-pass filter;
Secondary side mutual induction of voltage component includes:The input terminal of voltage transformer U1, voltage transformer U1 pass through resistance respectively Rdy1 and resistance Rdy2 connects secondary side circuit, and the first output end of voltage transformer connects the cathode of diode Ddy1, two poles respectively The anode of pipe Ddy2, transport and placing device electrode input end, capacitance Cdy1 first ends, resistance Rdy3 first ends, the second of voltage transformer Output end connects the anode of diode Ddy1 respectively, the cathode of diode Ddy2, transport and placing device negative input, transport and placing device output end, The output end of capacitance Cdy1 second ends, resistance Rdy3 second ends, secondary side mutual induction of voltage component connects simultaneously;Secondary side voltage is mutual The output end of sense component connects processor by low-pass filter;
Low-pass filter includes:Filter the first capacitance, the second capacitance of filtering, filtering third capacitance, the 4th capacitance of filtering, filter The 5th capacitance of wave, filtering first resistor, filtering second resistance, filtering 3rd resistor, filtering the 4th resistance, filtering the 5th resistance, Filter the 6th resistance, filtered diode one, filtered diode two, filtering transport and placing device one, filtering transport and placing device two;
Filter first resistor first end, one cathode of filtered diode, two anode of filtered diode and filtering second resistance the One end connects;Filter first resistor second end, the anode of filtered diode one, two cathode of filtered diode, the first capacitance of filtering the One end is grounded simultaneously;Second resistance second end is filtered, the first capacitance second end, filtering 3rd resistor first end connection are filtered;Filter Wave 3rd resistor second end filters the second capacitance first end, and the 4th resistance first end of filtering connects simultaneously, filters the 4th resistance the Two ends filter third capacitance first end, and filtering one electrode input end of transport and placing device connects simultaneously, and filtering third capacitance second terminates Ground;One negative input of transport and placing device is filtered, one output end of transport and placing device is filtered, filters the second capacitance second end, filters the 5th resistance First end connects simultaneously;The 5th resistance second end is filtered, filters the 4th capacitance, the 6th resistance of filtering connects simultaneously, and passes through filter The 5th capacity earth of wave;Filter the electrode input end that the 6th resistance connects filtering transport and placing device two;Filter the cathode input of transport and placing device two End, filters the output end of transport and placing device two, and the 4th capacitance of filtering connects simultaneously;Filtering transport and placing device one, filtering transport and placing device two connect respectively Connect 5V power supplys;
Processor is used to store to data acquisition storage module the data information of reception, and controls wireless communication Data information is sent to server by module;
Server includes:Module, limit value when voltage monitoring module, power-factor monitoring module, switching value monitoring modular, school Setup module, line loss analysis module, apparent energy curve generation module, apparent energy contrast module, database, data system Meter analysis module, the PC client computer for making server and user's progress human-computer interaction;
Voltage monitoring module is used for being monitored with Network Voltage Deviation, to being counted with power grid rate of qualified voltage;
Power-factor monitoring module is used to divide the power factor of monitoring point by the power factor segmentation limit value of setting Analysis statistics, monthly power factor gets over the cumulative time that limit value is happened at each section to record;
The panel switches state that switching value monitoring modular is used to be transmitted according to field data acquiring terminal, monitoring power-supply networks network Switching-state information;
It is instructed when module is used for field data acquiring terminal tranmitting data register school when school, field data acquiring terminal is made to acquire Clock it is identical as the crystal oscillator clock of server;
The voltage and current that limit value setup module is used to be arranged electric energy meter in monitoring area gets over limit value, power factor segmentation limit Value;
Line loss analysis module is used for according to the topological structure of power grid, daily acquire the single-phase of circuit, three-phase user and The electricity consumption of taiwan area summary table analyzes the active loss of every circuit, more than certain in real time by establishing line loss analyzing model It is alerted after threshold values;
Apparent energy curve generation module is used for the primary side three-phase electricity electric current according to real-time Transmission, primary side three-phase electricity Pressure, secondary side three-phase electricity electric current, secondary side three-phase voltage calculate active power, reactive power, and obtain apparent energy, make At apparent energy curve;
Apparent energy contrast module carries out data comparison simultaneously for comparing primary side power information and secondary side power information Two apparent energy curves are depicted as in the same page, are reflected to whether first and second side power information of user deposits on a display screen In multiplexing electric abnormality;
Data statistic analysis module is used to acquire field data acquiring terminal and the data and combination database sent are stored up The historical data information deposited, it is based on classification, statistics, calculating and analysis as a result, providing information inquiry, report customization and analysis report Announcement forms a series of functions, to support the integrated application in terms of safety at power cut lookup, reliability data statistics;Power distribution network is all kinds of Data include real time data, non-real-time data and near-realtime data;Specifically functions of modules includes:The reason of distribution network failure, returns Alanysis;The retrieval and analysis of traffic control plan;Dispatching counts and classification;Power failure job classification and job evaluation; Power supply reliability is analyzed and statistics;Other application family needs and the integrated application that exclusively carries out;
Further include:The handheld applications terminal being connect with server communication;
Handheld applications terminal includes:Camera, recording module, GPS positioning module, USB interfaces, identification module, number According to storage module, data interaction module, information registering module, log-on message acquisition module, registration acknowledgement message module, equipment letter Cease sending module;
GPS positioning module when using handheld applications terminal, carries out position positioning for user;
Data interaction module reports patrol record, inspection is as a result, and obtain for making user when carrying out inspection to scene The field equipment data information for taking server to store;
Information registering module submits logon message information to server;
Log-on message acquisition module is used to obtain the allowed registration information of server transmission, and allowed registration information includes IP Number, communication port, version information, unique mark title;
Registration acknowledgement message module is used for after receiving allowed registration information, is replied registration and is completed information, and will registration Information is kept to data storage module;
Facility information sending module is used for the equipment operating data of inspection, supply network node data, on off state number According to the control instruction made according to user is sent to server;
Handheld applications terminal is used UDP and is registered to server in a manner of logon message information, logon message letter Breath includes IP packet, communication port, version information, unique mark title, and IP packet is encoded using ASN.1.
Preferably, processor is connect by signal amplification module with wireless communication module, and signal amplification module will be for that will locate The data information that reason device is sent is amplified, and signal amplification module includes:Resistance Rsy2, resistance Rsy3, resistance Rsy4, capacitance Csy1, capacitance Csy2, diode Dsy1, diode Dsy2, transport and placing device LMsy;
The input terminal of signal amplification module connects the electrode input end of transport and placing device LMsy by resistance Rsy2, transport and placing device LMsy's Negative input is grounded by resistance Rsy3, and the output end of signal amplification module is connect by resistance Rsy4;Diode Dsy1, two poles Pipe Dsy2 is connected in series with, and the cathode of diode Dsy1 connects power supply, the plus earth of diode Dsy2;Diode Dsy1, diode The output end of the indirect signal amplification module of Dsy2, the output end of transport and placing device LMsy.
Preferably, data collection station further includes:It transmits and receives data processing module, transmission data configuration module, send Data resolution module, stipulations judgment module;
Data processing module is transmitted and received to be used to that the data that data collection station acquires to be sent to service by FTP modes Under the specified path of device, and obtain configuration information and performance information;
Transmission data configuration module is used to data configuration to be sent obtaining the ports IP of FTP at xml document, for The username and password that the data collection station is opened, local acquisition approach and store path where xml document, when acquisition Between;
Transmission data parsing module is used to call xml document at FTPClient class sending performance files, calls FTPClient is instructed, and is established transmitting path with server, is parsed all xml documents and xml packets are made;
Stipulations judgment module be used for by judge xml packets in, xml document whether in accordance with communication protocol stipulations, if meeting Stipulations are then sent, and xml document is sent if not meeting and does not meet stipulations;
Server further includes:Data update judgment module, data processing filtering module, Database Mapping module, processing letter Cease storage module;
Data update judgment module is in xml document in the currently received xml packets of multilevel iudge and a upper acquisition time Whether the xml document of reception has update, if the xml document newly received has update, this document is kept to database;
Data processing filtering module is used for call XML Util.getSafeXMLInputSource functions, to every in xml packets A xml document carries out information filtering processing, and filtered xml document is passed to NEPerformance functions NEPerformanceMeasInfo classes are parsed and are loaded;
Database Mapping module is used to call NEPerformance classes in the persistence.xml files of database With NEPerformanceMeasInfo classes, parsing and load each xml document be mapped to NEPerformance classes and Storage is managed in NEPerformanceMeasInfo classes;
Processing information storage module is used to the corresponding value of each attribute in xml document being assigned to NEPerformance class sound Bright information, and judgement processing is carried out to information, wait for that all measurement results are handled and loaded After each variable in NEPerformanceMeasInfo, call EntityManager functions by data storage to database In.
Preferably, field data acquiring terminal further includes:Phase electro-detection module;Phase electro-detection module is for detecting secondary side Three-phase electricity whether phase shortage, and when there is phase shortage, phase shortage information is sent to processor;
Phase electro-detection module includes:A phase electro-detections end, B phase electro-detections end, C phase electro-detections end, resistance R1, resistance R2, electricity Hinder R3, resistance R4, resistance R5, resistance R6, capacitance C1, capacitance C2, capacitance C3, capacitance C4, capacitance C5, capacitance C6, diode D1, Diode D2, diode D3, photoisolator;
The phase electro-detection ends A connect photoisolator input terminal by resistance R1, diode D1, resistance R2;
The phase electro-detection ends B connect photoisolator input terminal by resistance R3, diode D2, resistance R4;
The phase electro-detection ends C connect photoisolator input terminal by resistance R5, diode D3, resistance R6;
Photoisolator is equipped with A phases electro-detection output end corresponding with the phase electro-detection ends A, opposite with the phase electro-detection ends B The B phase electro-detection output ends answered, C phases electro-detection output end corresponding with the phase electro-detection ends C.
Preferably, field data acquiring terminal further includes:Clock message receiving processing module;
Server further includes:Clock message sending module, time synchronizing module, sending module synchronization time;
Clock message sending module is used to data collection station tranmitting data register sync message, be equipped in clock sync message Clock synchronizes preset mode;
Clock message receiving processing module is used to receive the clock sync message of clock message sending module transmission, receives same Data collection station works in the case where clock synchronizes Setting pattern after step message, while sending response message, response report to server It is equipped with server sync in text and sets pattern;
Time synchronizing module is for after receiving response message, using SntpClient Java, this class to call NTP letters Number carries out clock filtering, and local time stamp is obtained by function client.requestTime, subtracts data collection station place Time zone deviation value, obtain the server sync time;
Synchronization time, sending module was used to the server sync time be sent to field data acquiring terminal, realized server With the field data acquiring terminal time unification.
Preferably, handheld applications terminal is additionally operable to before carrying out live inspection, and user uses handheld applications terminal from clothes Scene primary data or last time inspection to be maked an inspection tour is downloaded in business device as a result, and being stored in the data storage module of handheld applications terminal In;When carrying out live electricity consumption inspection, according to onsite user's situation, patrolling for live power equipment is recorded in handheld applications terminal Inspection as a result, combine the GPS positioning functions for making an inspection tour mobile terminal, geographical location information when the live power utility check of positioning in real time or The geographical location information of user;
After inspection, the data information that the user has acquired handheld applications terminal is uploaded to server, real Existing data exchange between handheld applications terminal and server, and update server internal database information.
Preferably, field data acquiring terminal includes:Line feed terminals acquisition control unit, distribution transformer terminals acquisition control list Member, data terminal acquisition control unit, branch line malfunctioning module;
Line feed terminals acquisition control unit, distribution transformer terminals acquisition control unit, data terminal acquisition control unit are to power supply Switching station, ring main unit, switchgear house in system, it is box become, on-pole switch takes remote measurement information, and based on the electricity of different telemetry stations Stream situation carries out fault location, is isolated and restores electricity;
Branch line malfunctioning module for branched line use with earth fault processing function quick segmentation switch, when point When singlephase earth fault occurs for circuit in branch block switch region, branch segment switch is after delay judgement is permanent fault Automatic brake separating directly cuts off failure;When phase fault occurs for circuit in branch segment switch region, as branch segment switch is adopted With breaker, tripping on the spot cuts off failure;On-load switch, higher level's switch protection breaking, customer segment is such as used to switch in circuit Separating brake and be latched after dead electricity, higher level switchs overlap after, adjacent lines restores electricity, and faulty line is isolated;Quick segmentation switchs It is installed on that high voltage electric family and operating load be larger, branched line of high failure rate;Overhead transmission line and cable run are respectively adopted Quick segmentation switchs.
Preferably, field data acquiring terminal further includes:Data generation module, Digital Signature module, ciphertext generation module, Encrypted session key generation module, encryption data sending module;
Data generation module is used to generate message to sent data information using the preset aes algorithm of server general It wants;
Digital Signature module is used to utilize the private key pair of server using the preset public key cryptography mechanism ELGamal of server Generated message summary is digitally signed;
Ciphertext generation module is used to carry out AES encryption to data information using the preset session key of server, obtains close Text;
Encrypted session key generation module is used for the preset public key cryptography mechanism ELGamal Encryption Algorithm of server and profit With the public key encryption session key of server, encrypted data communication session key is obtained;
Encryption data sending module is for sending jointly to the digital signature of generation, encrypted ciphertext and session key Server;
Server further includes:Encrypted data reception module, ciphertext deciphering module, summary recovery module, summary deciphering module, Summary contrast module;
Encrypted data reception module is used to receive the data that field data acquiring terminal is sent by communication network logical Believe session key, the private key pair encryption of field data acquiring terminal is utilized using public key cryptography mechanism ELGamal decipherment algorithms Session key is decrypted, and judges whether session key matches with preset session key after decrypting, if matched, Receive digital signature and encrypted ciphertext;
Ciphertext deciphering module is used to solve ciphertext using the session key decrypted using preset aes algorithm It is close, obtain data information;
Summary generation module is used to after generating the data information that ciphertext deciphering module is decrypted using preset aes algorithm disappear Cease summary;
Summary deciphering module is used to send using field data acquiring terminal using preset public key cryptography mechanism ELGamal Public key the digital signature received is decrypted, obtain the message summary of field data acquiring terminal;
The message summary that summary judgment module is used to obtain summary deciphering module using the preset aes algorithm of server with The rear message summary that summary generation module generates carries out comparison judgement, and message summary and the summary as summary deciphering module obtains are given birth to The rear message summary generated at module is identical, then is judged as that data receiver is successfully shown normally, if summary deciphering module obtains Message summary differed with the rear message summary that summary generation module generates, then be judged as improper data, display is abnormal.
As can be seen from the above technical solutions, the present invention has the following advantages:
System acquires power equipment and substation by field data acquiring terminal in real time, and will be on the data information of acquisition Reach server.Server carries out processing analysis to the data information of acquisition, avoids manual inspection mode and improves working efficiency, So that detection data centralized management, and afterwards analyzing processing can be carried out to data.
The historical data for the data and combination database storage that server acquires field data acquiring terminal and sends is believed Breath, it is based on classification, statistics, calculating and analysis as a result, providing information inquiry, that report customization and analysis report are formed etc. is a series of Function, to support the integrated application in terms of safety at power cut lookup, reliability data statistics;Power distribution network Various types of data includes real-time Data, non-real-time data and near-realtime data;Specifically functions of modules includes:The reason of distribution network failure classification analysis;Scheduling The retrieval and analysis of work plan;Dispatching counts and classification;Power failure job classification and job evaluation;Power supply reliability point Analysis and statistics;Other application family needs and the integrated application that exclusively carries out.
Description of the drawings
In order to illustrate more clearly of technical scheme of the present invention, attached drawing needed in description will be made below simple Ground introduction, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill For personnel, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the overall schematic for the communications monitor system that distribution network has anti-interference transmitting monitor data;
Fig. 2 is field data acquiring terminal schematic diagram;
Fig. 3 is secondary side mutual induction of voltage assembly circuit figure;
Fig. 4 is secondary side current mutual inductance assembly circuit figure;
Fig. 5 is low-pass filter circuit figure;
Fig. 6 is signal amplifier module circuit diagram;
Fig. 7 is phase electro-detection module circuit diagram.
Specific implementation mode
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, it will use below specific Embodiment and attached drawing, the technical solution protected to the present invention are clearly and completely described, it is clear that implementation disclosed below Example is only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiment in this patent, the common skill in this field All other embodiment that art personnel are obtained without making creative work belongs to the model of this patent protection It encloses.
The present embodiment provides the communications monitor systems that a kind of distribution network has anti-interference transmitting monitor data, such as Fig. 1 to 7 It is shown, including:Server 1 and multiple field data acquiring terminals 2 being connect by GPRS or fiber optic communication with server 1;
Field data acquiring terminal 2 is arranged in monitored substation or monitored power equipment, on-site data gathering Terminal 2 is used to be acquired the data information inside monitored substation or monitored power equipment, and by acquisition Data information is uploaded to server 1;
Field data acquiring terminal 2 includes:Processor 11, low-pass filter, signal amplification module 12, wireless communication module 13, data acquire storage module 14, for obtaining monitoring area video image or obtaining the power equipment video image that is monitored, and The camera 4 of the transmission of video images of intake to server, the control instruction for being sent according to server are controlled into camera The cradle head control module of action, quantity of state acquisition module 16, ac analog acquisition module 18, historical data processing module 19, Potential device data acquisition module 20, supply line's data acquisition module 21, breaker data acquisition module 22, disconnecting switch number According to acquisition module 23, earthing switch data acquisition module 24, it is arranged in primary side current mutual inductor, primary side voltage transformer, Secondary side current mutual inductance component, secondary side mutual induction of voltage component;Primary side current mutual inductor acquires primary side three-phase current in real time Data are simultaneously transferred to server 1;Primary side voltage transformer acquires primary side three-phase voltage data and is transferred to server in real time 1;Secondary side current mutual inductance component acquires secondary side three-phase current data and is transferred to server 1 in real time;Secondary side mutual induction of voltage Component acquires secondary side three-phase voltage data and is transferred to server 1 in real time;
Quantity of state acquisition module 16 is conjugated for acquiring low-voltage platform area low tension switch location status, low tension switch in real time When, by low tension switch displacement information storage, and it is sent to processor 11;
Ac analog acquisition module 18 by requirement predeterminated voltage, electric current, power, power factor analog quantity for being adopted Collection measures voltage, electric current, power, power factor, and has the out-of-limit statistics of voltage monitoring, and voltage class of accuracy is 0.5, tool It is 1 to have harmonic data statistics, harmonic component class of accuracy;
The data that historical data processing module 19 is used to acquire are as unit of day, in next day zero history of forming number of days According to and preserving nearest data on the 30th, the guick freezing room according to setting with 15min, 30min, 45min, 60min every forming all kinds of freeze Curve data, and nearest 30 days curve datas are preserved, and it is sent to processor 11;
Potential device data acquisition module 20 is set for collection site potential device and distribution compatible with potential device Standby analog quantity, each side electric current of transformer, voltage, active power, reactive power, coil temperature, oil temperature, and it is sent to processor 11;
Supply line's data acquisition module 21 is used to acquire the electric current of supply line, active power, reactive power;Busbar Voltage, frequency;Three-phase voltage, three-phase current, residual voltage, the zero-sequence current of supply line, and it is sent to processor 11;
Breaker data acquisition module 22, disconnecting switch data acquisition module 23, earthing switch data acquisition module 24 divide Not Yong Yu collection site equipment switching value, switching value includes:Disconnecting switch, killer switch position, is protected earthing switch position Shield acts resultant signal, on the spot/distant place switch positions, breaker operation mechanism abnormal signal, control loop template signal, protects Alarm signal, protective device fault-signal are protected, and is sent to processor 11;
Secondary side current mutual inductance component includes:The input of current transformer U2, current transformer U2 terminate secondary side circuit, The first output end of current transformer U2 connects the cathode of diode DdL1 respectively, the anode of diode DdL2, and transport and placing device anode is defeated Entering end, capacitance CdL1 first ends, resistance RdL1, the second output terminal of current transformer connects the anode of diode DdL1 respectively, and two The cathode of pole pipe DdL2, transport and placing device negative input, the output end of transport and placing device output termination secondary side current mutual inductance component;It is secondary The output end of side Current Mutual Inductance component connects processor 11 by low-pass filter;
Current transformer U2 plays the role of strong and weak electric isolution, and specified input current is 5A, and output-current rating is 2.5mA.Capacitance CdL1 usually takes 400-1000PF, for the phase shift caused by compensation current transformer U2, capacitance CdL2, electricity Hold the harmonic wave that CdL3 is used to filter out power supply, ensures the stabilization of supply voltage.Diode DdL1, diode DdL2 prevent amplifier The supersaturation of LMdL.Suitable resistance RdL1 is selected to ensure that output voltage amplitude is suitable for 11 work of processor under any circumstance It deals with, the influence of fluctuations processor 11 due to voltage is avoided to work.
Secondary side mutual induction of voltage component includes:The input terminal of voltage transformer U1, voltage transformer U1 pass through resistance respectively Rdy1 and resistance Rdy2 connects secondary side circuit, and the first output end of voltage transformer connects the cathode of diode Ddy1, two poles respectively The anode of pipe Ddy2, transport and placing device electrode input end, capacitance Cdy1 first ends, resistance Rdy3 first ends, the second of voltage transformer Output end connects the anode of diode Ddy1, the cathode of diode Ddy2, transport and placing device LMdy negative inputs, transport and placing device output respectively End, capacitance Cdy1 second ends, the output end of resistance Rdy3 second ends, secondary side mutual induction of voltage component connect simultaneously;Secondary side electricity The output end of pressure mutual inductance component connects processor by low-pass filter;
If power grid phase voltage virtual value is X, the no-load voltage ratio of voltage transformer is k, then voltage transformer secondary side output voltage Virtual value is X/k, i.e., the input voltage virtual value of secondary side mutual induction of voltage component is X/k.
In the present embodiment, voltage transformer U1 plays the role of strong and weak electric isolution, and specified input, output current are 2mA or so.To ensure that specified input current is 2mA or so, suitable resistance Rdy1 and resistance Rdy2 is chosen, X/ [k (Rdy1+ are made Rdy2 value)] is close to 2mA.Capacitance Cdy1 usually takes 400-1000PF, for compensating the phase caused by accurate D.C mutual-inductor It moves;Capacitance Cdy2, capacitance Cdy3 are used to filter out the harmonic wave of power supply, ensure the stabilization of collection voltages;Diode Ddy1 and two Pole pipe Ddy2 prevents the supersaturation of transport and placing device LMdy.Suitable resistance Rdy3 is selected to ensure output voltage amplitude in any situation Under be suitable for 11 work disposal of processor, avoid due to voltage influence of fluctuations processor 11 work.
Low-pass filter includes:Filter the first capacitance Cb1, the second capacitance Cb2 of filtering, filtering third capacitance Cb3, filtering the Four capacitance Cb4, the 5th capacitance Cb5 of filtering, filtering first resistor Rb1, filtering second resistance Rb2, filtering 3rd resistor Rb3, filter The 4th resistance Rb4 of wave, the 5th resistance Rb5 of filtering, the 6th resistance Rb6 of filtering, one DB1 of filtered diode, filtered diode two DB2, filtering transport and placing device 1, filtering transport and placing device 2 32;
Filter first resistor first end, one cathode of filtered diode, two anode of filtered diode and filtering second resistance the One end connects;Filter first resistor second end, the anode of filtered diode one, two cathode of filtered diode, the first capacitance of filtering the One end is grounded simultaneously;Second resistance second end is filtered, the first capacitance second end, filtering 3rd resistor first end connection are filtered;Filter Wave 3rd resistor second end filters the second capacitance first end, and the 4th resistance first end of filtering connects simultaneously, filters the 4th resistance the Two ends filter third capacitance first end, and filtering one electrode input end of transport and placing device connects simultaneously, and filtering third capacitance second terminates Ground;One negative input of transport and placing device is filtered, one output end of transport and placing device is filtered, filters the second capacitance second end, filters the 5th resistance First end connects simultaneously;The 5th resistance second end is filtered, filters the 4th capacitance, the 6th resistance of filtering connects simultaneously, and passes through filter The 5th capacity earth of wave;Filter the electrode input end that the 6th resistance connects filtering transport and placing device two;Filter the cathode input of transport and placing device two End, filters the output end of transport and placing device two, and the 4th capacitance of filtering connects simultaneously;Filtering transport and placing device one, filtering transport and placing device two connect respectively Connect 5V power supplys.
Processor 11 is used to store to data acquisition storage module 14 data information of reception, and controls wireless Data information is sent to server 1 by communication module 13;
Server 1 includes:Module, limit when voltage monitoring module, power-factor monitoring module, switching value monitoring modular, school It is worth setup module, line loss analysis module, apparent energy curve generation module, apparent energy contrast module, database, data Statistical analysis module, the PC client computer for making server and user's progress human-computer interaction;
Voltage monitoring module is used for being monitored with Network Voltage Deviation, to being counted with power grid rate of qualified voltage;
Power-factor monitoring module is used to divide the power factor of monitoring point by the power factor segmentation limit value of setting Analysis statistics, monthly power factor gets over the cumulative time that limit value is happened at each section to record;
The panel switches state that switching value monitoring modular is used to be transmitted according to field data acquiring terminal, monitoring power-supply networks network Switching-state information;
It is instructed when module is used for field data acquiring terminal tranmitting data register school when school, field data acquiring terminal is made to acquire Clock it is identical as the crystal oscillator clock of server;
The voltage and current that limit value setup module is used to be arranged electric energy meter in monitoring area gets over limit value, power factor segmentation limit Value;
Line loss analysis module is used for according to the topological structure of power grid, daily acquire the single-phase of circuit, three-phase user and The electricity consumption of taiwan area summary table analyzes the active loss of every circuit, more than certain in real time by establishing line loss analyzing model It is alerted after threshold values;Apparent energy curve generation module is used for the primary side three-phase electricity electric current according to real-time Transmission, primary side Three-phase voltage, secondary side three-phase electricity electric current, secondary side three-phase voltage calculates active power, reactive power, and obtains apparent work( Apparent energy curve is made in rate;Apparent energy contrast module is used to compare primary side power information and secondary side power information, into Row data comparison is simultaneously depicted as two apparent energy curves in the same page, is reflected to first and second side of user use on a display screen Power information whether there is multiplexing electric abnormality;The data that data statistic analysis module is used to acquire field data acquiring terminal and send And the historical data information of database storage is combined, it is based on classification, statistics, calculating and analysis as a result, providing information inquiry, determining Report and analysis report processed such as form at a series of functions, to support safety at power cut to search, comprehensive in terms of reliability data statistics Close application;Power distribution network Various types of data includes real time data, non-real-time data and near-realtime data;Specifically functions of modules includes: The reason of distribution network failure classification analysis;The retrieval and analysis of traffic control plan;Dispatching counts and classification;Power failure work Make classification and job evaluation;Power supply reliability is analyzed and statistics;Other application family needs and the integrated application that exclusively carries out.
Processor 11 is connect by signal amplification module 12 with wireless communication module 13, and signal amplification module 12 will be for that will locate The data information that reason device 11 is sent is amplified, and signal amplification module 12 includes:Resistance Rsy2, resistance Rsy3, resistance Rsy4, electricity Hold Csy1, capacitance Csy2, diode Dsy1, diode D sy2, transport and placing device LMsy;The input terminal of signal amplification module passes through electricity Resistance Rsy2 connects the electrode input end of transport and placing device LMsy, and the negative input of transport and placing device LMsy is grounded by resistance Rsy3, passes through electricity Resistance Rsy4 connects the output end of signal amplification module;Diode Dsy1, diode Dsy2 are connected in series with, and the cathode of diode Dsy1 connects Power supply, the plus earth of diode Dsy2;The output end of the indirect signal amplification module of diode Dsy1, diode Dsy2, fortune Put the output end of device LMsy.
In the present embodiment, field data acquiring terminal further includes:Phase electro-detection module;Phase electro-detection module is for detecting two Secondary side three-phase electricity whether phase shortage, and when there is phase shortage, phase shortage information is sent to processor;
Phase electro-detection module includes:A phase electro-detections end, B phase electro-detections end, C phase electro-detections end, resistance R1, resistance R2, electricity Hinder R3, resistance R4, resistance R5, resistance R6, capacitance C1, capacitance C2, capacitance C3, capacitance C4, capacitance C5, capacitance C6, diode D1, Diode D2, diode D3, photoisolator;
The phase electro-detection ends A connect photoisolator input terminal by resistance R1, diode D1, resistance R2;
The phase electro-detection ends B connect photoisolator input terminal by resistance R3, diode D2, resistance R4;
The phase electro-detection ends C connect photoisolator input terminal by resistance R5, diode D3, resistance R6;
Photoisolator is equipped with A phases electro-detection output end corresponding with the phase electro-detection ends A, opposite with the phase electro-detection ends B The B phase electro-detection output ends answered, C phases electro-detection output end corresponding with the phase electro-detection ends C.
System further includes:The handheld applications terminal 3 communicated to connect with server 1;
Handheld applications terminal 3 includes:Camera, recording module, GPS positioning module, USB interfaces, identification module, Data storage module, data interaction module, information registering module, log-on message acquisition module, registration acknowledgement message module, equipment Information sending module;
GPS positioning module when using handheld applications terminal, carries out position positioning for user;
Data interaction module reports patrol record, inspection is as a result, and obtain for making user when carrying out inspection to scene The field equipment data information for taking server to store;
Information registering module submits logon message information to server;Log-on message acquisition module is for obtaining server hair The allowed registration information sent, allowed registration information includes No. IP, communication port, version information, unique mark title;Log-on message Confirmation module is used for after receiving allowed registration information, is replied registration and is completed information, and log-on message is kept to data storing up In storing module;Facility information sending module is used for the equipment operating data of inspection, supply network node data, on off state number According to the control instruction made according to user is sent to server;Handheld applications terminal 3 uses UDP(User Datagram The abbreviation of Protocol, the entitled User Datagram Protocol of Chinese)And registered to server in a manner of logon message information, Logon message information includes IP packet, communication port, version information, unique mark title, and IP packet is encoded using ASN.1.
Often expanding a handheld applications terminal 3 can be with by way of server interaction registration information, making completion register Process, and the data information of detection is sent to server according to the control of user.
Handheld applications terminal 3 is additionally operable to before carrying out live inspection, and user is using handheld applications terminal from server Scene primary data or last time inspection to be maked an inspection tour are downloaded as a result, and being stored in the data storage module of handheld applications terminal; When carrying out live electricity consumption inspection, according to onsite user's situation, the inspection knot of live power equipment is recorded in handheld applications terminal Fruit, in conjunction with the GPS positioning functions for making an inspection tour mobile terminal, geographical location information when the live power utility check of positioning in real time or user Geographical location information;
After inspection, the data information that the user has acquired handheld applications terminal is uploaded to server, real Existing data exchange between handheld applications terminal and server, and update server internal database information.
Field data acquiring terminal 2 includes:Line feed terminals acquisition control unit, distribution transformer terminals acquisition control unit, data Terminal acquisition control unit, branch line malfunctioning module;
Line feed terminals acquisition control unit, distribution transformer terminals acquisition control unit, data terminal acquisition control unit are to power supply Switching station, ring main unit, switchgear house in system, it is box become, on-pole switch takes remote measurement information, and based on the electricity of different telemetry stations Stream situation carries out fault location, is isolated and restores electricity;
Branch line malfunctioning module for branched line use with earth fault processing function quick segmentation switch, when point When singlephase earth fault occurs for circuit in branch block switch region, branch segment switch is after delay judgement is permanent fault Automatic brake separating directly cuts off failure;When phase fault occurs for circuit in branch segment switch region, as branch segment switch is adopted With breaker, tripping on the spot cuts off failure;On-load switch, higher level's switch protection breaking, customer segment is such as used to switch in circuit Separating brake and be latched after dead electricity, higher level switchs overlap after, adjacent lines restores electricity, and faulty line is isolated;Quick segmentation switchs It is installed on that high voltage electric family and operating load be larger, branched line of high failure rate;Overhead transmission line and cable run are respectively adopted Quick segmentation switchs.
In the present embodiment, data collection station further includes:Transmit and receive data processing module, transmission data configuration module, Transmission data parsing module, stipulations judgment module;
Data processing module is transmitted and received to be used to that the data that data collection station acquires to be sent to service by FTP modes Under the specified path of device, and obtain configuration information and performance information;
Transmission data configuration module is used to data configuration to be sent obtaining the ports IP of FTP at xml document, for The username and password that the data collection station is opened, local acquisition approach and store path where xml document, when acquisition Between;
Transmission data parsing module is used to call xml document at FTPClient class sending performance files, calls FTPClient is instructed, and is established transmitting path with server, is parsed all xml documents and xml packets are made;
Stipulations judgment module be used for by judge xml packets in, xml document whether in accordance with communication protocol stipulations, if meeting Stipulations are then sent, and xml document is sent if not meeting and does not meet stipulations;
Server further includes:Data update judgment module, data processing filtering module, Database Mapping module, processing letter Cease storage module;
Data update judgment module is in xml document in the currently received xml packets of multilevel iudge and a upper acquisition time Whether the xml document of reception has update, if the xml document newly received has update, this document is kept to database;
Data processing filtering module is used for call XML Util.getSafeXMLInputSource functions, to every in xml packets A xml document carries out information filtering processing, and filtered xml document is passed to NEPerformance functions NEPerformanceMeasInfo classes are parsed and are loaded;
Database Mapping module is used to call NEPerformance classes in the persistence.xml files of database With NEPerformanceMeasInfo classes, parsing and load each xml document be mapped to NEPerformance classes and Storage is managed in NEPerformanceMeasInfo classes;
Processing information storage module is used to the corresponding value of each attribute in xml document being assigned to NEPerformance class sound Bright information, and judgement processing is carried out to information, wait for that all measurement results are handled and loaded After each variable in NEPerformanceMeasInfo, call EntityManager functions by data storage to database In.
Server disaggregatedly stores collected data information in this way, and it is convenient that guarantee is extracted in the future Property.And have safety, transmission speed fast by FTP mode data transmissions.And the file in xml packets is looked into every time Inquiry is handled, and is then updated to database if any new fileinfo, is not updated if not updating, reduces data in this way Treating capacity reduces the working strength of server.
In the present embodiment, time unification is needed between server and each field data acquiring terminal.Server obtains mark Between punctual, and each field data acquiring terminal will be distributed to the standard time and realize that time unification, such whole network are carrying out Error can be reduced when data fusion or mistake does not occur.And high-precision time adjustment, while encrypted acknowledgment can be passed through Mode reduces the protocol attack of malice.The clock source that server is synchronized as clock source realizes that each on-site data gathering is whole Clock is held to synchronize.
In order to there is correct time source, server to obtain the UTC standard time by Internet, and with this UTC time On the basis of, the time is issued each field data acquiring terminal, to calibrate the time of each field data acquiring terminal, is realized Time unification.
Field data acquiring terminal 2 further includes:Clock message receiving processing module, server 1 further include:Clock message is sent out Send module, time synchronizing module, sending module synchronization time;
Clock message sending module is used to data collection station tranmitting data register sync message, be equipped in clock sync message Clock synchronizes preset mode;The clock that clock message receiving processing module is used to receive the transmission of clock message sending module synchronizes report Text, data collection station works in the case where clock synchronizes Setting pattern after receiving sync message, while sending response report to server Text is equipped with server sync in response message and sets pattern;Time synchronizing module is for after receiving response message, utilizing This class of SntpClient Java calls NTP functions, carries out clock filtering, is obtained by function client.requestTime Local time stamp subtracts the time zone deviation value where data collection station, obtains the server sync time;Synchronization time sends mould Block is used to server be sent to field data acquiring terminal 1 synchronization time, realizes server and the field data acquiring terminal Time unification.
In the present embodiment, in order to ensure the safety of each field data acquiring terminal and server communication data information, Each field data acquiring terminal is respectively received the preset Encryption Algorithm of server, and each field data acquiring terminal will count According to data information is encrypted before sending, and digital signature and session key are generated.Server is for the data information received It is decrypted, and digital signature and session key is checked into row information, ensure the safety of data information.And server can Different preset Encryption Algorithm to be arranged for different field data acquiring terminals, server is made to receive encryption data When, reply can be distinguished.Preset Encryption Algorithm includes aes algorithm, preset public key cryptography mechanism ELGamal.Specifically Predetermined encryption algorithm can be configured according to actual needs, not limited here.
Field data acquiring terminal further includes:Data generation module, Digital Signature module, ciphertext generation module, encryption meeting Talk about key production module, encryption data sending module;
Data generation module is used to generate message to sent data information using the preset aes algorithm of server general It wants;Digital Signature module is used for using the preset public key cryptography mechanism ELGamal of server using the private key of server to being produced Raw message summary is digitally signed;Ciphertext generation module be used for using the preset session key of server to data information into Row AES encryption, obtains ciphertext;Encrypted session key generation module adds for the preset public key cryptography mechanism ELGamal of server Close algorithm and the public key encryption session key for utilizing server, obtain encrypted data communication session key;Encryption data Sending module is used to the digital signature of generation, encrypted ciphertext and session key sending jointly to server;
Server further includes:Encrypted data reception module, ciphertext deciphering module, summary recovery module, summary deciphering module, Summary contrast module;
Encrypted data reception module is used to receive the data that field data acquiring terminal is sent by communication network logical Believe session key, the private key pair encryption of field data acquiring terminal is utilized using public key cryptography mechanism ELGamal decipherment algorithms Session key is decrypted, and judges whether session key matches with preset session key after decrypting, if matched, Receive digital signature and encrypted ciphertext;Ciphertext deciphering module is used to utilize the meeting decrypted using preset aes algorithm Words key pair ciphertext is decrypted, and obtains data information;Summary generation module is for being decrypted ciphertext using preset aes algorithm Message summary after the data information of module decryption generates;Summary deciphering module is used to use preset public key cryptography mechanism The digital signature received is decrypted the public key that ELGamal is sent using field data acquiring terminal, obtains field data The message summary of acquisition terminal;Summary judgment module is for obtaining summary deciphering module using the preset aes algorithm of server The rear message summary that generates of message summary and summary generation module carry out comparison judgement, the message obtained such as summary deciphering module Summary is identical as the rear message summary that summary generation module generates, then is judged as that data receiver is successfully shown normally, if summary The message summary that deciphering module obtains is differed with the rear message summary that summary generation module generates, then is judged as improper number According to display is abnormal.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other The difference of embodiment, identical similar portion refers to mutually between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest range caused.

Claims (8)

1. a kind of distribution network has the communications monitor system of anti-interference transmitting monitor data, which is characterized in that including:Server And multiple field data acquiring terminals being connect by GPRS or fiber optic communication with server;
Field data acquiring terminal is arranged in monitored substation or monitored power equipment, and field data acquiring terminal is used It is acquired in the data information inside monitored substation or monitored power equipment, and by the data information of acquisition It is uploaded to server;
Field data acquiring terminal includes:Processor, low-pass filter, signal amplification module, wireless communication module, data acquisition Storage module, for obtaining monitoring area video image or obtaining the power equipment video image of being monitored, and by the video of intake The cradle head control of control instruction control camera action of the image transmitting to the camera of server, for being sent according to server Module, quantity of state acquisition module, ac analog acquisition module, historical data processing module, potential device data acquisition module, Supply line's data acquisition module, breaker data acquisition module, disconnecting switch data acquisition module, the acquisition of earthing switch data Module is arranged in primary side current mutual inductor, primary side voltage transformer, secondary side current mutual inductance component, and secondary side voltage is mutual Feel component;Primary side current mutual inductor acquires primary side three-phase current data and is transferred to server in real time;Primary side voltage is mutual Sensor acquires primary side three-phase voltage data and is transferred to server in real time;Secondary side current mutual inductance component acquires secondary side in real time Three-phase current data are simultaneously transferred to server;Secondary side mutual induction of voltage component acquires secondary side three-phase voltage data and transmits in real time To server;
Quantity of state acquisition module for acquiring low-voltage platform area low tension switch location status in real time, will when low tension switch conjugates Low tension switch conjugates information storage, and is sent to processor;
Ac analog acquisition module is used to, by requirement predeterminated voltage, electric current, power, power factor analog acquisition, survey Voltage, electric current, power, power factor are measured, and there is the out-of-limit statistics of voltage monitoring, voltage class of accuracy is 0.5, has harmonic wave Data statistics, harmonic component class of accuracy are 1;
The data that historical data processing module is used to acquire in next day zero history of forming day data, and are protected as unit of day Nearest data on the 30th are deposited, the guick freezing room according to setting with 15min, 30min, 45min, 60min every forming all kinds of freezing curve numbers According to, and nearest 30 days curve datas are preserved, and it is sent to processor;
Potential device data acquisition module is for collection site potential device and the mould of controller switching equipment compatible with potential device Analog quantity, each side electric current of transformer, voltage, active power, reactive power, coil temperature, oil temperature, and it is sent to processor;
Supply line's data acquisition module is used to acquire the electric current of supply line, active power, reactive power;The electricity of busbar Pressure, frequency;Three-phase voltage, three-phase current, residual voltage, the zero-sequence current of supply line, and it is sent to processor;
The breaker data acquisition module, disconnecting switch data acquisition module, earthing switch data acquisition module are respectively used to The switching value of collection site equipment, switching value include:Disconnecting switch, earthing switch position, killer switch position, protection act Resultant signal, on the spot/distant place switch positions, breaker operation mechanism abnormal signal, control loop template signal, protection alarm Signal, protective device fault-signal, and it is sent to processor;
Secondary side current mutual inductance component includes:The input of current transformer, current transformer terminates secondary side circuit, Current Mutual Inductance First output end of device connects the cathode of diode DdL1, the anode of diode DdL2, transport and placing device electrode input end, capacitance respectively CdL1 first ends, resistance RdL1, the second output terminal of current transformer connect the anode of diode DdL1 respectively, diode DdL2's Cathode, transport and placing device negative input, the output end of transport and placing device output termination secondary side current mutual inductance component;Secondary side current mutual inductance The output end of component connects processor by low-pass filter;
Secondary side mutual induction of voltage component includes:The input terminal of voltage transformer U1, voltage transformer U1 pass through resistance Rdy1 respectively Secondary side circuit is connect with resistance Rdy2, the first output end of voltage transformer connects the cathode of diode Ddy1, diode respectively The anode of Ddy2, transport and placing device electrode input end, capacitance Cdy1 first ends, resistance Rdy3 first ends, the second of voltage transformer are defeated Outlet connects the anode of diode Ddy1, the cathode of diode Ddy2, transport and placing device negative input, transport and placing device output end, electricity respectively Hold Cdy1 second ends, the output end of resistance Rdy3 second ends, secondary side mutual induction of voltage component connects simultaneously;Secondary side mutual induction of voltage The output end of component connects processor by low-pass filter;
Low-pass filter includes:Filter the first capacitance, the second capacitance of filtering, filtering third capacitance, the 4th capacitance of filtering, filtering the Five capacitances, filtering first resistor, filtering second resistance, filtering 3rd resistor, the 4th resistance of filtering, the 5th resistance of filtering, filtering 6th resistance, filtered diode one, filtered diode two, filtering transport and placing device one, filtering transport and placing device two;
Filter first resistor first end, one cathode of filtered diode, two anode of filtered diode and filtering second resistance first end Connection;First resistor second end, one anode of filtered diode are filtered, two cathode of filtered diode filters the first capacitance first end It is grounded simultaneously;Second resistance second end is filtered, the first capacitance second end, filtering 3rd resistor first end connection are filtered;Filtering the Three resistance second ends filter the second capacitance first end, and the 4th resistance first end of filtering connects simultaneously, filters the 4th resistance second End filters third capacitance first end, and filtering one electrode input end of transport and placing device connects simultaneously, filtering third capacitance second end ground connection; One negative input of transport and placing device is filtered, one output end of transport and placing device is filtered, filters the second capacitance second end, filters the 5th resistance first It holds while connecting;It filters the 5th resistance second end, filters the 4th capacitance, the 6th resistance of filtering connects simultaneously, and by filtering the Five capacity earths;Filter the electrode input end that the 6th resistance connects filtering transport and placing device two;Filter the negative input of transport and placing device two, filter The output end of wave transport and placing device two, the 4th capacitance of filtering connect simultaneously;Filtering transport and placing device one, filtering transport and placing device two are separately connected 5V electricity Source;
Processor is used to store to data acquisition storage module the data information of reception, and controls radio communication mold Data information is sent to server by block;
Server includes:Module, limit value setting when voltage monitoring module, power-factor monitoring module, switching value monitoring modular, school Module, line loss analysis module, apparent energy curve generation module, apparent energy contrast module, database, data statistics point Analysis module, the PC client computer for making server and user's progress human-computer interaction;
Voltage monitoring module is used for being monitored with Network Voltage Deviation, to being counted with power grid rate of qualified voltage;
Power-factor monitoring module is used to carry out analysis system to the power factor of monitoring point by the power factor segmentation limit value of setting Meter, monthly power factor gets over the cumulative time that limit value is happened at each section to record;
The panel switches state that switching value monitoring modular is used to be transmitted according to field data acquiring terminal, monitoring power-supply networks network are opened Off status information;
When school module be used for field data acquiring terminal tranmitting data register school when instruct, make field data acquiring terminal acquire when Clock is identical as the crystal oscillator clock of server;
The voltage and current that limit value setup module is used to be arranged electric energy meter in monitoring area gets over limit value, power factor segmentation limit value;
Line loss analysis module is used for the topological structure according to power grid, daily acquires the single-phase of circuit, three-phase user and taiwan area The electricity consumption of summary table analyzes the active loss of every circuit in real time by establishing line loss analyzing model, more than certain threshold values After alerted;
Apparent energy curve generation module is used for according to the primary side three-phase electricity electric current of real-time Transmission, primary side three-phase voltage, and two Secondary side three-phase electricity electric current, secondary side three-phase voltage calculate active power, reactive power, and obtain apparent energy, and apparent is made Power curve;
Apparent energy contrast module carries out data comparison and same for comparing primary side power information and secondary side power information One page iso-surface patch is reflected to first and second side power information of user with the presence or absence of use on a display screen at two apparent energy curves Electrical anomaly;
Data and combination database storage of the data statistic analysis module for acquiring and sending to field data acquiring terminal Historical data information, it is based on classification, statistics, calculating and analysis as a result, providing information inquiry, report customization and analysis report shape At a series of functions, to support the integrated application in terms of safety at power cut lookup, reliability data statistics;Power distribution network Various types of data Including real time data, non-real-time data and near-realtime data;Specifically functions of modules includes:The reason of distribution network failure, which is sorted out, divides Analysis;The retrieval and analysis of traffic control plan;Dispatching counts and classification;Power failure job classification and job evaluation;Power supply Fail-safe analysis and statistics;Other application family needs and the integrated application that exclusively carries out;
Further include:The handheld applications terminal being connect with server communication;
Handheld applications terminal includes:Camera, recording module, GPS positioning module, USB interfaces, identification module, data storage Storing module, data interaction module, information registering module, log-on message acquisition module, registration acknowledgement message module, facility information hair Send module;
GPS positioning module when using handheld applications terminal, carries out position positioning for user;
Data interaction module reports patrol record, inspection is as a result, and acquisition clothes for making user when carrying out inspection to scene The field equipment data information of business device storage;
Information registering module submits logon message information to server;
Log-on message acquisition module is used to obtain the allowed registration information of server transmission, and allowed registration information includes No. IP, leads to Believe port, version information, unique mark title;
Registration acknowledgement message module is used for when receive allowed registration information after, replys registration completion information, and by log-on message It keeps to data storage module;
Facility information sending module is used for the equipment operating data of inspection, supply network node data, on off state data, root The control instruction made according to user, is sent to server;
Handheld applications terminal is used UDP and is registered to server in a manner of logon message information, logon message packet IP packet, communication port, version information, unique mark title are included, IP packet is encoded using ASN.1.
2. distribution network according to claim 1 has the communications monitor system of anti-interference transmitting monitor data, feature It is,
Processor is connect by signal amplification module with wireless communication module, the number that signal amplification module is used to send processor It is believed that breath is amplified, signal amplification module includes:Resistance Rsy2, resistance Rsy3, resistance Rsy4, capacitance Csy1, capacitance Csy2, Diode Dsy1, diode Dsy2, transport and placing device LMsy;
The input terminal of signal amplification module connects the electrode input end of transport and placing device LMsy, the cathode of transport and placing device LMsy by resistance Rsy2 Input terminal is grounded by resistance Rsy3, and the output end of signal amplification module is connect by resistance Rsy4;Diode Dsy1, diode Dsy2 is connected in series with, and the cathode of diode Dsy1 connects power supply, the plus earth of diode Dsy2;Diode Dsy1, diode The output end of the indirect signal amplification module of Dsy2, the output end of transport and placing device LMsy.
3. distribution network according to claim 1 has the communications monitor system of anti-interference transmitting monitor data, feature It is,
Data collection station further includes:It transmits and receives data processing module, transmission data configuration module, transmission data and parses mould Block, stipulations judgment module;
Data processing module is transmitted and received to be used to that the data that data collection station acquires to be sent to server by FTP modes Under specified path, and obtain configuration information and performance information;
Transmission data configuration module is used to the data configuration to be sent ports IP of FTP are obtained, for described at xml document The username and password that data collection station is opened, local acquisition approach and store path where xml document, acquisition time;
Transmission data parsing module is used to call xml document at FTPClient class sending performance files, calls FTPClient Instruction, establishes transmitting path with server, parses all xml documents and xml packets are made;
Stipulations judgment module be used for by judge xml packets in, xml document whether in accordance with communication protocol stipulations, if meeting stipulations It is then sent, xml document is sent if not meeting and does not meet stipulations;
Server further includes:Data update judgment module, data processing filtering module, Database Mapping module, processing information storage Storing module;
Data update judgment module is received for xml document in the currently received xml packets of multilevel iudge in a upper acquisition time Xml document whether have update, if the xml document newly received has update, this document is kept to database;
Data processing filtering module is used for call XML Util.getSafeXMLInputSource functions, to each in xml packets Xml document carries out information filtering processing, and filtered xml document is passed to NEPerformance functions NEPerformanceMeasInfo classes are parsed and are loaded;
Database Mapping module be used in the persistence.xml files of database call NEPerformance classes and NEPerformanceMeasInfo classes, parsing and load each xml document be mapped to NEPerformance classes and Storage is managed in NEPerformanceMeasInfo classes;
Processing information storage module is used to the corresponding value of each attribute in xml document being assigned to NEPerformance class declarations Information, and judgement processing is carried out to information, wait for that all measurement results are handled and loaded in NEPerformanceMeasInfo Each variable after, call EntityManager functions will be in data storage to database.
4. distribution network according to claim 1 has the communications monitor system of anti-interference transmitting monitor data, feature It is,
Field data acquiring terminal further includes:Phase electro-detection module;Whether phase electro-detection module is for detecting secondary side three-phase electricity Phase shortage, and when there is phase shortage, phase shortage information is sent to processor;
Phase electro-detection module includes:A phase electro-detections end, B phase electro-detections end, C phase electro-detections end, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, capacitance C1, capacitance C2, capacitance C3, capacitance C4, capacitance C5, capacitance C6, diode D1, two Pole pipe D2, diode D3, photoisolator;
The phase electro-detection ends A connect photoisolator input terminal by resistance R1, diode D1, resistance R2;
The phase electro-detection ends B connect photoisolator input terminal by resistance R3, diode D2, resistance R4;
The phase electro-detection ends C connect photoisolator input terminal by resistance R5, diode D3, resistance R6;
Photoisolator is equipped with A phases electro-detection output end corresponding with the phase electro-detection ends A, B corresponding with the phase electro-detection ends B Phase electro-detection output end, C phases electro-detection output end corresponding with the phase electro-detection ends C.
5. distribution network according to claim 1 has the communications monitor system of anti-interference transmitting monitor data, feature It is,
Field data acquiring terminal further includes:Clock message receiving processing module;
Server further includes:Clock message sending module, time synchronizing module, sending module synchronization time;
Clock message sending module is used to that data collection station tranmitting data register sync message, clock to be equipped in clock sync message Synchronous preset mode;
Clock message receiving processing module is used to receive the clock sync message of clock message sending module transmission, receives synchronous report Data collection station works in the case where clock synchronizes Setting pattern after text, while sending response message to server, in response message Pattern is set equipped with server sync;
After time synchronizing module is used to receive response message, using SntpClient Java, this class calls NTP functions, Clock filtering is carried out, local time stamp is obtained by function client.requestTime, where subtracting data collection station Time zone deviation value obtains the server sync time;
Synchronization time, sending module was used to the server sync time be sent to field data acquiring terminal, realizes server and is somebody's turn to do Field data acquiring terminal time unification.
6. distribution network according to claim 5 has the communications monitor system of anti-interference transmitting monitor data, feature It is,
Handheld applications terminal is additionally operable to before carrying out live inspection, and user is downloaded using handheld applications terminal from server existing Field primary data or last time inspection to be maked an inspection tour are as a result, and be stored in the data storage module of handheld applications terminal;Showed When electricity consumption inspection, according to onsite user's situation, the inspection of live power equipment is recorded in handheld applications terminal as a result, in conjunction with The GPS positioning functions of mobile terminal are maked an inspection tour, in real time the geographical position of the geographical location information when power utility check of positioning scene or user Confidence ceases;
After inspection, the data information that the user has acquired handheld applications terminal is uploaded to server, realizes hand The data exchange between application terminal and server is held, and updates server internal database information.
7. distribution network according to claim 1 has the communications monitor system of anti-interference transmitting monitor data, feature It is,
Field data acquiring terminal includes:Line feed terminals acquisition control unit, distribution transformer terminals acquisition control unit, data terminal are adopted Collect control unit, branch line malfunctioning module;
Line feed terminals acquisition control unit, distribution transformer terminals acquisition control unit, data terminal acquisition control unit are to power supply system On switching station, ring main unit, switchgear house, it is box become, on-pole switch takes remote measurement information, and the electric current feelings based on different telemetry stations Condition carries out fault location, is isolated and restores electricity;
Branch line malfunctioning module uses the quick segmentation with earth fault processing function to switch for branched line, when branch point When singlephase earth fault occurs for circuit in section switch region, branch segment switch is automatic after delay judgement is permanent fault Separating brake directly cuts off failure;When phase fault occurs for circuit in branch segment switch region, if branch segment switch is using disconnected Road device, on the spot tripping cut off failure;On-load switch, higher level's switch protection breaking, customer segment is such as used to switch in circuit dead electricity Separating brake and be latched afterwards, higher level switchs overlap after, adjacent lines restores electricity, and faulty line is isolated;Quick segmentation switch installation Larger, high failure rate the branched line in high voltage electric family and operating load;Overhead transmission line and cable run are respectively adopted quickly Block switch.
8. distribution network according to claim 1 has the communications monitor system of anti-interference transmitting monitor data, feature It is,
Field data acquiring terminal further includes:Data generation module, Digital Signature module, ciphertext generation module, encryption session are close Key generation module, encryption data sending module;
Data generation module is used to generate message summary to sent data information using the preset aes algorithm of server;
Digital Signature module is used for using the preset public key cryptography mechanism ELGamal of server using the private key of server to being produced Raw message summary is digitally signed;
Ciphertext generation module is used to carry out AES encryption to data information using the preset session key of server, obtains ciphertext;
Encrypted session key generation module is for the preset public key cryptography mechanism ELGamal Encryption Algorithm of server and utilizes clothes The public key encryption session key of business device, obtains encrypted data communication session key;
Encryption data sending module is for sending jointly to service the digital signature of generation, encrypted ciphertext and session key Device;
Server further includes:Encrypted data reception module, ciphertext deciphering module, summary recovery module, summary deciphering module, summary Contrast module;
Encrypted data reception module, which is used to receive the data that field data acquiring terminal is sent by communication network, communicates meeting Key is talked about, the session of the private key pair encryption of field data acquiring terminal is utilized using public key cryptography mechanism ELGamal decipherment algorithms Key is decrypted, and judges that whether session key matches with preset session key after decrypting, if matched, receives Digital signature and encrypted ciphertext;
Ciphertext deciphering module is used to that ciphertext to be decrypted using the session key decrypted using preset aes algorithm, obtains To data information;
Message is general after summary generation module is used to generate using the data information that preset aes algorithm decrypts ciphertext deciphering module It wants;
Summary deciphering module is used to utilize the public affairs that field data acquiring terminal is sent using preset public key cryptography mechanism ELGamal The digital signature received is decrypted key, obtains the message summary of field data acquiring terminal;
The message summary and summary that summary judgment module is used to obtain summary deciphering module using the preset aes algorithm of server The rear message summary that generation module generates carries out comparison judgement, and message summary and the summary as summary deciphering module obtains generate mould The rear message summary that block generates is identical, then is judged as that data receiver is successfully shown normally, if disappearing of obtaining of summary deciphering module Breath summary is differed with the rear message summary that summary generation module generates, then is judged as that improper data, display are abnormal.
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