CN104269922A - Distributed type power supply parameter monitoring method and system based on GPRS/GIS - Google Patents
Distributed type power supply parameter monitoring method and system based on GPRS/GIS Download PDFInfo
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- CN104269922A CN104269922A CN201410432352.4A CN201410432352A CN104269922A CN 104269922 A CN104269922 A CN 104269922A CN 201410432352 A CN201410432352 A CN 201410432352A CN 104269922 A CN104269922 A CN 104269922A
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S40/00—Systems 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
- Y04S40/12—Systems 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
- Y04S40/126—Systems 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
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Abstract
The invention relates to a distributed type power supply parameter monitoring method and system based on a GPRS/GIS. The system comprises a remote collection terminal, a GPRS/SMS data communication unit and a distributed type power supply monitoring center, and the remote collection terminal is in data communication with the distributed type power supply monitoring center through the GPRS/SMS data communication unit. The method and system can finish integration of GIS spatial data and telemetry and telecontrol relational data, and the target of the distributed type power supply parameter online monitoring system is achieved; the system regards a public wireless data communication mode as a data transmission means, telemetry and telecontrol are achieved with a low cost, and meanwhile the system flexibility and adaptability are represented; the system achieves online detection on distributed type power supply parameter change situations, working states of distributed type power supplies can be monitored at any time in a remote monitoring mode, the whole distributed type power supply system can be in the optimal working state with assistance of an auxiliary decision and analysis system, and the monitoring function is played to the maximum extent.
Description
Technical field
The present invention relates to distributed power source monitoring field, particularly relate to a kind of distributed power source parameter monitoring method and system based on GPRS/GIS.
Background technology
Distributed power source refers to the demand in order to meet some special users, support the economical operation of existing power distribution network and design and installation at user place or the small power generation unit near it, mainly comprise the various ways such as wind-powered electricity generation power supply, photo-voltaic power supply, fuel cell and combustion gas cold, heat and electricity triple supply.The distributed power source of current exploitation is alleviating the pollution of environment, reduces the aspects such as the expense of terminal use and has certain advantage, have again the feature of high efficiency and flexibility and meet the requirement of energy sustainable development simultaneously.Therefore along with the proportion that distributed power source is shared in electric power system progressively increases.It is grid-connected can produce certain influence afterwards to each side such as power system operation, control, protections; therefore need to analyze from quantitative angle this impact; with the security and stability of operation of power networks after accurate evaluation distributed power source connecting system, this just needs corresponding distributed power source parameter monitoring system.
Because distributed power source position distribution is wide, power type complexity (solar-energy photo-voltaic cell, wind power generation, fuel cell, miniature gas turbine), the features such as power supply operational factor is many, Parameters variation frequent and service speed will be sought quickness.In prior art, many employing layerings receive Monitoring Data mode, and the parameter of multiple test point converges to a certain data collector by short message, and each transceiver is again by unified for the data unified process of receiving short message device uploading to Surveillance center.This communication plan efficiency of transmission is not high, and converges through multi-layer data, and reliability is also greatly affected.
Management software lacks generalized information system provides geography information support, intuitively cannot show the position of faulty equipment after distributed power source operation troubles in systems in which, maintenance personal and system management inconvenience.Simultaneously at present monitoring system lacks equipment increases and delete function, is not easy to the amendment of user scene and configuration detection equipment again.
In prior art GPRS communication need the public network IP with fixed address, public network IP resource is less, application and maintenance cost high, be not easy to user use.For the industry of the network IP resources centralized management such as electric power, oil, chemical industry, acquisition and the use of server public network IP are very restricted.
In view of above-mentioned defect, creator of the present invention obtains this creation finally through long research and practice.
Summary of the invention
The object of the present invention is to provide a kind of distributed power source parameter monitoring method and system based on GPRS/GIS, in order to overcome above-mentioned technological deficiency.
For achieving the above object, the invention provides a kind of distributed power source parameter monitoring system based on GPRS/GIS, it comprises remote collection terminal, GPRS/SMS data communication units, distributed power source monitoring center, remote collection terminal carries out data communication by GPRS/SMS data communication units and distributed power source monitoring center, wherein
Described remote collection terminal, it gathers distrbuted power data and changes, according to system communication pattern configurations, data separate GPRS or SMS collected is uploaded to distributed power source monitoring center by wireless network, and the instruction that real-time reception distributed power source monitoring center assigns, realize corresponding operation according to the control information received;
Described GPRS/SMS data communication units, it comprises GPRS module and wireless network interchanger, and it forwards the various orders assigned by distributed power source monitoring center, receives the real time data that remote collection terminal transmits;
Described distributed power source monitoring center, it uses ForceControl configuration software telemanagement data terminal, and timing collects terminal data, real-time transmit operation instruction; And server is equipped with real-time data base, relational database and GIS database, the information detected is preserved, analysing terminal data and running status, discovering device fault and abnormal parameters change and alarm, and form and curve can be formed to relevant information as required, complete the real-time examination and analysb of distributed electrical source dates, and by backstage GIS service program, complete the integration of GIS spatial data and remote measuring and controlling relation data, realize distributed power supply system and the location-based on-line monitoring of checkout equipment;
Web client is by IE web page browsing mode, can direct viewing Surveillance center issue far-end on-site supervision picture, described Surveillance center's computer installs Forcecontrol software as server, the webserver NetServer module of Forcecontrol software provides the WEB server of standard, complete standard compliant HTTP protocol, the monitored picture information issued through server delivers to fixing network ip address, enter Internet network, the various equipment with the webpage function that surfs the web can as WEB client side, by the IP address information that input is issued, in order to realize remote monitoring.
Further, described remote collection terminal, it comprises detection module, signal isolated variable circuit, signal conditioning circuit, microcontroller CPU, power circuit, wherein,
Detection module is connected with signal isolated variable circuit, and signal isolated variable circuit and signal modulate circuit connects, and signal conditioning circuit is connected with microcontroller CPU, and microcontroller CPU is connected with GPRS module unit, and power circuit is to modules and circuit supply.
Further, described signal isolated variable circuit and signal conditioning circuit amplify through modulate circuit isolation the various parameters that detection module gathers, after AD conversion and digital quantity light-coupled isolation transform, transfer in microcontroller CPU, output current transforms voltage ADC input in the sheet that isolation amplification adds to CPU and detects.
Further, described GPRS module, it comprises communication interface, serial port drive circuit, GPRS circuit, SIM card circuit and antenna, wherein,
Described communication interface is connected with serial port drive circuit, and serial port drive circuit is connected with GPRS circuit, and GPRS circuit is connected with SIM card circuit and antenna respectively; The connection of GPRS module and microcontroller CPU is by serial communication, and the level between microcontroller CPU is Transistor-Transistor Logic level.
Further, described wireless network interchanger comprises a transceiver control board, is connected with network service for realizing PC, and transceiver control board comprises power circuit, serial line interface, communication indicating circuit, cpu circuit and USB serial ports, wherein,
Described power circuit is connected with serial line interface, serial circuit is connected with cpu circuit, cpu circuit is connected with USB serial ports and communication indicating circuit.
Further, transceiver CPU is connected with PC by COM port or COM device or COM1, and its inner field data of preserving of PC readable data, also sends order by it to on-site wireless terminal.
Further, described distributed power source monitoring center comprises a wireless network interchanger, industrial computer server and a report writer being connected to INTERNET network, the built-in real-time data base of industrial computer server, relational database and GIS database.
The present invention also provides a kind of distributed power source parameter monitoring method based on GPRS/GIS, and this detailed process is:
Step a, the control information that described remote collection terminal is assigned according to distributed power source monitoring center or spontaneous, gathers distrbuted power data and changes, according to system communication pattern configurations, collect the data message of distributed power source;
GPRS or SMS is utilized to be uploaded to distributed power source monitoring center by wireless network;
Step b, described GPRS/SMS data communication units, its data information transfer remote collection terminal being collected distributed power source is to distributed power source monitoring center;
Step c, described distributed power source monitoring center, it uses ForceControl configuration software telemanagement data terminal, the information that GPRS/SMS data communication units sends is collected in timing, and the information detected is preserved, analysing terminal data and running status, discovering device fault and abnormal parameters change and alarm, and form and curve can be formed to relevant information as required, complete the real-time examination and analysb of distributed electrical source dates, and by backstage GIS service program, complete the integration of GIS spatial data and remote measuring and controlling relation data, realize distributed power supply system and the location-based on-line monitoring of checkout equipment.
Further, in above-mentioned steps a, remote collection terminal CPU is connected with GPRS by COM port or COM device or COM1, operation starts to carry out initialization to GPRS and AD passage, then carry out periodicity Test Field data by the sampling period of initial setting and active reporting to monitoring center's server, simultaneously data temporary storage is in internal RAM.
Further, in above-mentioned steps b, transceiver CPU is connected with PC by COM port or COM device or COM1, its inner field data of preserving of PC readable data, also order is sent by it to on-site wireless terminal, and at this moment need COM2 mouth to forward, and the data of the COM2 mouth that arrives are the information of on-site wireless terminal active reporting; After packets of information being opened, data temporary storage is in internal RAM.
Beneficial effect of the present invention is compared with prior art: the distributed power source parameter monitoring method and system that the present invention is based on GIS/GPRS, its with Force Control configuration software for management platform, using SQLSERVER database as the database of systematic unity, by backstage GIS service program, complete the integration of GIS spatial data and remote measuring and controlling relation data, achieve the target of distributed electrical source dates online monitoring system; System for data transfer means, achieves telemetry and telecommand in the mode of low cost with public wireless data communication method (GPRS), embodies flexibility and the adaptability of system simultaneously; This system achieves the on-line checkingi to distributed power source Parameters variation situation, the operating state of each distributed power source can be monitored at any time by remote monitoring mode simultaneously, be aided with computer-aided decision support System, whole distributed power supply system can be made to be in best operating state, to play the effect of monitoring to greatest extent.
Native system can directly apply to the frequency of the power supply in distributed power supply system; voltage, current effective value and power; current harmonic content (THD) during specified input and output; output power factor during specified input; allow mains voltage range; specified line voltage; mains frequency fluctuation range; direct current, exchange overvoltage and under-voltage protection, exchanged, underfrequency protection, overload protection; short-circuit protection; earth leakage protective, overtemperature protection, the Real-time Collection of anti-island protect distributed power parameter monitoring parameter, transmission and management.Realize the automation of distributed power source parameter detecting, solve the problem that parameter detecting manual measurement detects and efficiency of management low cost is high in the past.
Gather distributed power source service data, according to communication and the network condition implementing protection zone, can configure and transmit two kinds of communication modes based on GPRS and short message SMS, conveniently cannot provide the transfer of data under fixing public network IP condition.
In the present invention, be integrated with WEB issuing function based on distributed power source monitoring system, be convenient under authorized user name and password license, access monitoring system parameter at any terminal.
In the present invention, realize organically blending of distributed electrical source data and generalized information system, closely combine from equipment geography information with the detected state of device parameter, there is provided necessary position data from burning natural gas distributed power apparatus management and maintenance aspect, be convenient to user efficiently carrying out the maintenance of faulty equipment and maintenance.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of the distributed power source parameter monitoring system that the present invention is based on GPRS/GIS;
Fig. 2 is the functional block diagram of remote collection terminal of the present invention;
Fig. 3 is the functional block diagram of GPRS module of the present invention;
Fig. 4 is the flow chart of remote collection terminal of the present invention;
Fig. 5 is the functional block diagram of transceiver control board of the present invention;
Fig. 6 is the workflow diagram of transceiver of the present invention.
Embodiment
Below in conjunction with accompanying drawing, to above-mentioned being described in more detail with other technical characteristic and advantage of the present invention.
Invent based on GPRS/GIS distributed power source parameter monitoring system be a set of Based on Distributed power parameter monitoring field wireless remote intelligent on-line monitoring system,
Refer to shown in Fig. 1, it is the functional block diagram of the distributed power source parameter monitoring system that the present invention is based on GPRS/GIS, it comprises remote collection terminal, GPRS/SMS data communication units, distributed power source monitoring center, remote collection terminal carries out data communication by GPRS/SMS data communication units and distributed power source monitoring center, wherein, described remote collection terminal, it gathers distrbuted power data and changes, according to system communication pattern configurations, data separate GPRS or SMS collected is uploaded to distributed power source monitoring center by wireless network, and the instruction that real-time reception distributed power source monitoring center assigns, corresponding operation is realized according to the control information received.
Described GPRS/SMS data communication units, GPRS module and wireless network interchanger, it forwards the various orders assigned by distributed power source monitoring center, receives the real time data that remote collection terminal transmits.
Described distributed power source monitoring center, it uses ForceControl configuration software telemanagement data terminal, and timing collects terminal data, real-time transmit operation instruction; And server is equipped with real-time data base, relational database and GIS database, the information detected is preserved, analysing terminal data and running status, discovering device fault and abnormal parameters change and alarm, and form and curve can be formed to relevant information as required, complete the real-time examination and analysb of distributed electrical source dates, and by backstage GIS service program, complete the integration of GIS spatial data and remote measuring and controlling relation data, realize distributed power supply system and the location-based on-line monitoring of checkout equipment.
Further, monitoring center and remote terminal have two kinds of data communication modes: master-slave mode data query pattern and actively report pattern, send instruction carry out pattern configurations by monitoring center's computer.Master-slave mode query pattern initiatively issues the order of each remote terminal of poll by monitoring computer, and after remote terminal receives orders, alignment site and order font size, upload desired data with MODBUS agreement.The active pattern that reports is that the mode instruction that remote terminal sends according to monitoring center's computer carries out the setting of the reported data time interval.And the operational parameter data of distributed power source is automatically uploaded according to this time interval.Monitoring center's computer receives each remote terminal data, a point machine data is confirmed according to the extension address ID in packet, and CRC check is carried out to packet, as check results is wrong, then initiatively again send query statement requirement retransmission data to this extension set, until store again after verification correctly and show remote terminal data.
More than the design of Configuration Software support that monitoring computer runs two kinds of communication pattern configurations, communication pattern configuration is configured by user interface by monitoring center's computer software, then each remote terminal is issued to command forms, say the word in communication pattern, the sampling time, operational factor kind can option and installment in the user interface.Which kind of pattern remote terminal adopts carry out data according to the communication pattern command selection received and reports.
Refer to shown in Fig. 2, its functional block diagram being remote collection terminal of the present invention, it comprises detection module, signal isolated variable circuit, signal conditioning circuit, microcontroller CPU, power circuit, wherein, detection module is connected with signal isolated variable circuit, and signal isolated variable circuit and signal modulate circuit connects, and signal conditioning circuit is connected with microcontroller CPU, microcontroller CPU is connected with GPRS module unit, and power circuit is to modules and circuit supply.
Detection module for detecting the parameter such as distributed electrical source frequency, voltage, current effective value and power, voltage fluctuation and flicker, current harmonic content (THD), power factor, voltage range, line voltage, mains frequency fluctuation range, and passes through GPRS link wireless remote transmission to Server Manager Daemon;
In the present embodiment, microcontroller CPU is STC12C5608AD single-chip microcomputer, comprises unipolarity ADC in sheet; Signal isolated variable circuit and signal conditioning circuit amplify through modulate circuit isolation the various parameters that detection module gathers, and after AD conversion and digital quantity light-coupled isolation transform, transfer in microcontroller CPU.Output current transforms voltage ADC input in the sheet that isolation amplification adds to CPU and detects.
Power circuit adopts 12V direct current input two-way DC/DC conversion module in plate to obtain+5V and the ± 5V power supply of isolation, powers to respectively Single Chip Microcomputer (SCM) system and signal conditioning circuit.
Described GPRS module is used for realizing processor and is connected with wireless communication, and what GPRS module adopted is Q24PLUS002 module; GPRS communication interface circuit adopts IDC16 terminal to be connected with GPRS plate, realizes data communication.
Refer to shown in Fig. 3, its functional block diagram being GPRS module of the present invention, it comprises communication interface, serial port drive circuit, GPRS circuit, SIM card circuit and antenna, wherein, communication interface is connected with serial port drive circuit, serial port drive circuit is connected with GPRS circuit, and GPRS circuit is connected with SIM card circuit and antenna respectively; The connection of GPRS module and microcontroller CPU is by serial communication, and the level between microcontroller CPU is Transistor-Transistor Logic level, so just can directly connect without the need to carrying out level conversion, needs SIM card support in GPRS module work.An accessory power supply is also connected at communication interface end.
Refer to shown in Fig. 4, it is for shown in flow chart Fig. 4 of remote collection terminal of the present invention, remote collection terminal adopts CPU to be STC12C5608AD, this CPU is connected with GPRS by COM port or COM device or COM1, operation starts to carry out initialization to GPRS and AD passage, then carry out periodicity Test Field data by the sampling period of initial setting and active reporting to monitoring center's server, simultaneously data temporary storage is in internal RAM.Com port monitors the order to main frame at ordinary times, to realize immediately transmitting testing result.
Refer to shown in Fig. 5, it is the functional block diagram of transceiver control board of the present invention, and wireless network interchanger possesses bridge function, forwards the various orders assigned by server, receives the real time data that GPRS module transmits.
Transceiver control board is used for realizing PC and is connected with network service, transceiver control board comprises power circuit, serial line interface, communication indicating circuit, cpu circuit and USB serial ports, wherein, power circuit is connected with serial line interface, serial circuit is connected with cpu circuit, cpu circuit is connected with USB serial ports and communication indicating circuit.
PC turns serial port circuit CH341 by USB and information is sent to microprocessor, CH341 is the connect chip of a usb bus, there is provided asynchronous serial port by usb bus, under asynchronous serial port mode, CH341 provides the interactively rate controlled signal such as serial ports transmission is enable, serial ports ready for receiving.
Communication module peripheral circuit mainly contains: power unit, work instruction and data cube computation expansion mouth composition.Inside modules CPU adopts STC12C5A60S2 as control core, and peripheral circuit comprises: power unit, work instruction and data cube computation expansion mouth composition.
Refer to shown in Fig. 6, its workflow diagram being transceiver of the present invention, transceiver CPU adopts STC12C5A60S2 as control core, this CPU is connected with PC by COM port or COM device or COM1, its inner field data of preserving of PC readable data, also send order by it to on-site wireless terminal, and at this moment need COM2 mouth to forward, and the data of the COM2 mouth that arrives are the information of on-site wireless terminal active reporting.After packets of information being opened, data temporary storage is in internal RAM.
In the present invention, the WEB issuing function of system realizes based on ForceControl configuration software Forcecontrol, and Web client, can the far-end on-site supervision picture issued of direct viewing Surveillance center by IE web page browsing mode.Surveillance center's computer installs Forcecontrol software as server, and the webserver NetServer module of Forcecontrol software provides the WEB server of standard, complete standard compliant HTTP protocol.The monitored picture information issued through server delivers to fixing network ip address, enters Internet network.The various equipment with the webpage function that surfs the web can as WEB client side, and the IP address information issued by input, just can realize remote monitoring.
Realize this kind of function, in browser side, Forcecontrol need not be installed, only need be configured under Web server end power control environment.Specific implementation process is as follows:
Power control Web server end configures;
This is configured for the file place catalogue of specifying for web access, Web homepage initial picture, server ip address, and picture size.The IP address of Web server place machine, Forcecontrol can identify the machine IP automatically.If the DB database server of Web server and power control is not at uniform machinery, also need in data source the IP address of the DB database server place machine of specified force control.
Web server picture is issued;
The picture that issue will be browsed.The window that will issue is opened, then choice menus order " file/issue " in software development.Before picture is issued, in system program, set user right.Native system has system manager, engineer, operative employee's three grades of user managements, and the user of different rights can rely on username and password login system in Web client.
Tripping force control Web Server program;
After Web server is provided with, needs the Web Server program in operational communications assembly, start Web issuing service.In system configuration, in initial start-up routine item, choose httpsvr (WEB server).
Web client IE is arranged;
If Web client IE browser can not correct browsing far-end monitored picture, the level of security in IE security attribute can be set to low.Carry out in far-end browses, ejecting safety warning picture possibly, needing user to confirm at IE.
The method that this patent solves GPRS fixed ip address adopts Port-Level NAT (Network Address Port Translation), by the method that the Intranet IP of Surveillance center's computer is mapped by NAPT, the Intranet IP of monitoring center's computer is mapped directly to public network and fixes IP, each remote terminal carries out addressable network communication to the Surveillance center's Computer IP after mapping and multiple port (as 4001-4040), realizes transfer of data.Its meaning is not need user to apply for static public network IP in addition, can save system cost and maintenance cost.
Carry out dynamic N APT configuration step as follows: network interface and outer network interface in definition server; Configuration inside local address scope; Configuration inside global address pool; Set up NAPT mapping relations, monitoring center computer Intranet IP is mapped to the public network IP corresponding ports of user; Remote monitoring terminal to the GPRS communications setting of monitoring center's computer be NAPT map after IP address.
Described distributed power source monitoring center comprises a wireless network interchanger, industrial computer server and a report writer being connected to INTERNET network, the built-in real-time data base of industrial computer server, relational database and GIS database.
Described distributed power source monitoring center based on the server being connected to INTERNET network, and adopts ForceControl configuration software telemanagement data terminal, and timing collects test terminal data, real-time transmit operation instruction.And the information detected is preserved, analysing terminal data and running status.Discovering device fault and abnormal parameters and alarm, and form and curve can be formed to relevant information as required, complete detection and the management of distributed power source service data.Monitor service center realizes following functions:
A () signal intelligence to acquisition terminal monitors; And real-time reception terminal data;
B () is arranged data collection station working method, receive data collection station institute image data;
C human-computer interaction interface that () is friendly, can the operation conditions of Dynamic Announce distributed power source;
D () can be arranged parameters such as GPRS terminal address, passage, transmission intervals;
E () real-time graph shows, and can draw tendency chart;
F () data are preserved, can preserve the historical data of distributed electrical source dates;
G () faulty indication and alarm, have figure alarm instruction and sound alarm;
H () report form statistics, makes time statistics to all kinds of operational factor and prints;
Data monitor center server runs ForceControl configuration software, pass through system configuration, complete the on-line monitoring to distributed electrical source dates, following function can be realized: distributed electrical source dates detects in real time, parameter trend figure shows, history parameters is inquired about, abnormal parameters is reported to the police, history alarm logging is inquired about, generate data sheet, and historical data analysis software is in real time by data write into Databasce server.
Distributed power source supplemental characteristic wireless remote transmission monitoring system is mainly divided into six large modules: user management, logout, data query, history report, fault alarm, trend curve.
Wherein, user management module can the function such as the login of completing user, user log off, change password, amendment user (comprise and add and delete user); Data inquiry module according to the information inquiry such as time and condition data, can derive the data satisfied condition and printing, deletes the function such as data in interlocking SQL database; History report module can according to setup times generate fast daily sheet and the moon form, and can to derive and printing function form; Fault alarm module can realize abnormal parameters and report to the police and equipment fault or non-On-line Tip, inquires about by alarm logging the power parameter warning occurred in history; Event logging module can record system event and customer incident and inquire about; Trend curve module can draw the trend curve of distributed power source institute detected parameters according to real-time data base.
The detailed process that the present invention is based on the distributed power source parameter monitoring method of GPRS/GIS is:
Step a, the control information that described remote collection terminal is assigned according to distributed power source monitoring center or spontaneous, gathers distrbuted power data and changes, according to system communication pattern configurations, collect the data message of distributed power source;
GPRS or SMS is utilized to be uploaded to distributed power source monitoring center by wireless network;
Step b, described GPRS/SMS data communication units, its data information transfer remote collection terminal being collected distributed power source is to distributed power source monitoring center;
Step c, described distributed power source monitoring center, it uses ForceControl configuration software telemanagement data terminal, the information that GPRS/SMS data communication units sends is collected in timing, and the information detected is preserved, analysing terminal data and running status, discovering device fault and abnormal parameters change and alarm, and form and curve can be formed to relevant information as required, complete the real-time examination and analysb of distributed electrical source dates, and by backstage GIS service program, complete the integration of GIS spatial data and remote measuring and controlling relation data, realize distributed power supply system and the location-based on-line monitoring of checkout equipment.
GIS Query Subsystem is based on existing spatial database and attribute database, utilize and mainly realize map denotation, remote monitoring terminal distribution, remote distributed power property operations and output, by map inquiry attribute information, and utilize the functions such as the existing remote terminal distribution map of the Data Update in database and geographical position.
The ASCII frame structure of MODBUS communication protocol is adopted in message transmitting procedure, comprise starting character, address number, command function word, packet (containing parameters such as distributed power source electric current, voltage, frequency, power, states), redundancy check, end mark.Main frame communicates with extension set with sending according to MODBUS protocol packing and unpack and resolves, the useful data that reduction communication transmits.
In communication, main frame and remote terminal need carry out frame parsing; The distributed power source real-time parameter that each remote terminal after parsing detects is directly stored in the real-time data base in configuration software, preserve as initial data, simultaneously through operational factor and the state parameter of certain hour interval calculation distributed power source out, SQL relational database is entered, as the system parameters of inquiring about and show by the statement unloading of configuration software calling data storehouse.GIS database provides distributed power source basic map map data mining platform, and using distributed power source running status and major parameter data as a new figure layer data, stored in GIS storehouse, display distribution map geography information simultaneously, can realize the display of operational factor and state.
Present system main feature:
A) leading, the advanced technology of product.Wireless supervisory control system adopts advanced GPRS technology as communication modes, and integrate the multiple advanced technology such as computer, communication, automatically control, Stability Analysis of Structures, autgmentability is strong.
B) Real-time Collection, centralized monitor.The various real time datas of each site control point of Surveillance center's energy Real-time Collection.The various dissimilar fault of wireless monitor system energy Timeliness coverage simultaneously, produces warning message, accurately locates, and take corresponding alert process measure to fault point.
C) communicate quick, safe and reliable.The many merits such as peak transfer rate can up to 171.2KB/s, and the monitoring management system based on GPRS has transmitted in both directions, propagation delay time is little, and faster system response, security reliability are high.
D) data accurately, abundant information.By query interface, user can customize the historical data in enquiry of historical data storehouse, can generate fast according to the demand of user simultaneously, print the moon, season, year statistical report form.
E) friendly interface, simple to operate.Software interface design adopts the general graphical interface style of Windows, friendly interface, and all control commands remember command format without the need to user, and all adopt mouse click menu or window to realize, whole operation interface uses easily, simple to operate.
F) remote browse, devise strategies at the headquarters.Wireless monitor system makes user stay indoors just can understand the real-time operating conditions of whole wireless monitoring management system, thus office just can science decision, devise strategies at the headquarters.
G) invest less, cost performance is high.System utilizes GPRS network as transmission network, make use of existing comparatively perfect public network resources fully, greatly saved construction investment, shortened the construction period, the performance and price of whole system is higher, and the investment of this system Construction can save more than 40% compared with the investment of building wireless private network.
The foregoing is only preferred embodiment of the present invention, is only illustrative for invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes in the spirit and scope that invention claim limits to it, amendment, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (10)
1. the distributed power source parameter monitoring system based on GPRS/GIS, it is characterized in that, it comprises remote collection terminal, GPRS/SMS data communication units, distributed power source monitoring center, remote collection terminal carries out data communication by GPRS/SMS data communication units and distributed power source monitoring center, wherein
Described remote collection terminal, it gathers distrbuted power data and changes, according to system communication pattern configurations, data separate GPRS or SMS collected is uploaded to distributed power source monitoring center by wireless network, and the instruction that real-time reception distributed power source monitoring center assigns, realize corresponding operation according to the control information received;
Described GPRS/SMS data communication units, it comprises GPRS module and wireless network interchanger, and it forwards the various orders assigned by distributed power source monitoring center, receives the real time data that remote collection terminal transmits;
Described distributed power source monitoring center, it uses ForceControl configuration software telemanagement data terminal, and timing collects terminal data, real-time transmit operation instruction; And server is equipped with real-time data base, relational database and GIS database, the information detected is preserved, analysing terminal data and running status, discovering device fault and abnormal parameters change and alarm, and form and curve can be formed to relevant information as required, complete the real-time examination and analysb of distributed electrical source dates, and by backstage GIS service program, complete the integration of GIS spatial data and remote measuring and controlling relation data, realize distributed power supply system and the location-based on-line monitoring of checkout equipment;
Web client is by IE web page browsing mode, can direct viewing Surveillance center issue far-end on-site supervision picture, described Surveillance center's computer installs Forcecontrol software as server, the webserver NetServer module of Forcecontrol software provides the WEB server of standard, complete standard compliant HTTP protocol, the monitored picture information issued through server delivers to fixing network ip address, enter Internet network, the various equipment with the webpage function that surfs the web can as WEB client side, by the IP address information that input is issued, in order to realize remote monitoring.
2. the distributed power source parameter monitoring system based on GPRS/GIS according to claim 1, it is characterized in that, described remote collection terminal, it comprises detection module, signal isolated variable circuit, signal conditioning circuit, microcontroller CPU, power circuit, wherein
Detection module is connected with signal isolated variable circuit, and signal isolated variable circuit and signal modulate circuit connects, and signal conditioning circuit is connected with microcontroller CPU, and microcontroller CPU is connected with GPRS module unit, and power circuit is to modules and circuit supply.
3. the distributed power source parameter monitoring system based on GPRS/GIS according to claim 2, it is characterized in that, described signal isolated variable circuit and signal conditioning circuit amplify through modulate circuit isolation the various parameters that detection module gathers, after AD conversion and digital quantity light-coupled isolation transform, transfer in microcontroller CPU, output current transforms voltage ADC input in the sheet that isolation amplification adds to CPU and detects.
4. the distributed power source parameter monitoring system based on GPRS/GIS according to claim 2, is characterized in that, described GPRS module, and it comprises communication interface, serial port drive circuit, GPRS circuit, SIM card circuit and antenna, wherein,
Described communication interface is connected with serial port drive circuit, and serial port drive circuit is connected with GPRS circuit, and GPRS circuit is connected with SIM card circuit and antenna respectively; The connection of GPRS module and microcontroller CPU is by serial communication, and the level between microcontroller CPU is Transistor-Transistor Logic level.
5. the distributed power source parameter monitoring system based on GPRS/GIS according to claim 2, it is characterized in that, described wireless network interchanger comprises a transceiver control board, be connected with network service for realizing PC, transceiver control board comprises power circuit, serial line interface, communication indicating circuit, cpu circuit and USB serial ports, wherein
Described power circuit is connected with serial line interface, serial circuit is connected with cpu circuit, cpu circuit is connected with USB serial ports and communication indicating circuit.
6. the distributed power source parameter monitoring system based on GPRS/GIS according to claim 5, it is characterized in that, transceiver CPU is connected with PC by COM port or COM device or COM1, and its inner field data of preserving of PC readable data, also sends order by it to on-site wireless terminal.
7. the distributed power source parameter monitoring system based on GPRS/GIS according to claim 2, it is characterized in that, described distributed power source monitoring center comprises a wireless network interchanger, industrial computer server and a report writer being connected to INTERNET network, the built-in real-time data base of industrial computer server, relational database and GIS database.
8., based on a distributed power source parameter monitoring method of GPRS/GIS, it is characterized in that, this detailed process is:
Step a, the control information that described remote collection terminal is assigned according to distributed power source monitoring center or spontaneous, gathers distrbuted power data and changes, according to system communication pattern configurations, collect the data message of distributed power source;
GPRS or SMS is utilized to be uploaded to distributed power source monitoring center by wireless network;
Step b, described GPRS/SMS data communication units, its data information transfer remote collection terminal being collected distributed power source is to distributed power source monitoring center;
Step c, described distributed power source monitoring center, it uses ForceControl configuration software telemanagement data terminal, the information that GPRS/SMS data communication units sends is collected in timing, and the information detected is preserved, analysing terminal data and running status, discovering device fault and abnormal parameters change and alarm, and form and curve can be formed to relevant information as required, complete the real-time examination and analysb of distributed electrical source dates, and by backstage GIS service program, complete the integration of GIS spatial data and remote measuring and controlling relation data, realize distributed power supply system and the location-based on-line monitoring of checkout equipment.
9. the distributed power source parameter monitoring method based on GPRS/GIS according to claim 8, is characterized in that, in above-mentioned steps b,
The method of GPRS fixed ip address is: adopt Port-Level NAT, by the method that the Intranet IP of Surveillance center's computer is mapped by NAPT, the Intranet IP of monitoring center's computer is mapped directly to public network and fixes IP, each remote terminal carries out addressable network communication to the Surveillance center's Computer IP after mapping and multiple port, realizes transfer of data;
Carry out dynamic N APT configuration step as follows: network interface and outer network interface in definition server; Configuration inside local address scope; Configuration inside global address pool; Set up NAPT mapping relations, monitoring center computer Intranet IP is mapped to the public network IP corresponding ports of user; Remote monitoring terminal to the GPRS communications setting of monitoring center's computer be NAPT map after IP address.
10. the distributed power source parameter monitoring method based on GPRS/GIS according to claim 8, it is characterized in that, in above-mentioned steps b, transceiver CPU is connected with PC by COM port or COM device or COM1, its inner field data of preserving of PC readable data, also send order by it to on-site wireless terminal, and at this moment need COM2 mouth to forward, and the data of the COM2 mouth that arrives are the information of on-site wireless terminal active reporting; After packets of information being opened, data temporary storage is in internal RAM.
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