CN204030729U - A kind of distributed power source monitoring system - Google Patents
A kind of distributed power source monitoring system Download PDFInfo
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- CN204030729U CN204030729U CN201420492716.3U CN201420492716U CN204030729U CN 204030729 U CN204030729 U CN 204030729U CN 201420492716 U CN201420492716 U CN 201420492716U CN 204030729 U CN204030729 U CN 204030729U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
Abstract
The utility model relates to a kind of distributed power source monitoring system, this system comprises remote collection terminal, GPRS/SMS data communication units, distributed power source monitoring center, and remote collection terminal is carried out data communication by GPRS/SMS data communication units and distributed power source monitoring center.The utility model can complete the integration of GIS spatial data and remote measuring and controlling relation data, has realized the target of distributed power source parameter online monitoring system; System be take public wireless data communication method as data transfer means, in mode cheaply, has realized telemetry and telecommand, has embodied flexibility and the adaptability of system simultaneously; This system has realized the online detection to distributed power source parameter changing condition, can monitor at any time by remote monitoring mode the operating state of each distributed power source simultaneously, be aided with decision Analysis system, can be so that whole distributed power supply system, in best operating state, plays the effect of monitoring to greatest extent.
Description
Technical field
The utility model relates to distributed power source monitoring field, relates in particular to a kind of distributed power source parameter monitoring method and system based on GPRS/GIS.
Background technology
Distributed power source refers in order to meet some special users' demand, support the economical operation of existing power distribution network and design and installation at user place or near the small power generation unit 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 exploitation is alleviating the pollution of environment at present, and the aspects such as expense that reduce terminal use have certain advantage, the requirement that has again the feature of high efficiency and flexibility and meet energy sustainable development simultaneously.Therefore along with distributed power source shared proportion 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 on this impact, analyze from quantitative angle; 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 complicated (solar-energy photo-voltaic cell, wind power generation, fuel cell, miniature gas turbine), the feature such as power supply operational factor is many, parameter changes frequently and service speed will be sought quickness.The layering reception Monitoring Data modes that adopt in prior art more, the parameter of a plurality of test points converges to a certain data collector by short message, and each transceiver uploads to data unification unified processing of receiving short message device of Surveillance center again.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, after distributed power source operation troubles, cannot intuitively in system, show the position of faulty equipment, maintenance personal and system management inconvenience.Simultaneously at present monitoring system shortage equipment increases and delete function, is not easy to that user is on-the-spot to revise and configuration detection equipment again.
In prior art, GPRS communication need to have the public network IP of fixed address, and public network IP resource is less, and application and maintenance cost are high, is not easy to user and uses.For the industry of the network IP resources centralized managements 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, the utility model creator has obtained this creation finally through long research and practice.
Summary of the invention
The purpose of this utility model is to provide a kind of distributed power source monitoring system, in order to overcome above-mentioned technological deficiency.
For achieving the above object, the utility model provides a kind of distributed power source monitoring system, it comprises remote collection terminal, GPRS/SMS data communication units, distributed power source monitoring center, remote collection terminal is connected with GPRS/SMS data communication units, GPRS/SMS data communication units is connected with distributed power source monitoring center, wherein
Described remote collection terminal, it comprises detection module, signal isolated variable circuit, signal conditioning circuit, microcontroller CPU, power circuit, detection module is connected with signal isolated variable circuit, signal isolated variable circuit and signal modulate circuit connects, signal conditioning circuit is connected with microcontroller CPU, microcontroller CPU is connected with GPRS modular unit, power circuit and signal isolated variable circuit, microcontroller.
Further, described GPRS/SMS data communication units, it comprises GPRS module and wireless network interchanger, wherein,
Described GPRS module, it comprises communication interface, serial port drive circuit, GPRS circuit, SIM card circuit and antenna, 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 antenna with SIM card circuit respectively; GPRS module is passed through serial communication with being connected of microcontroller CPU.
Further, described wireless network interchanger comprises a transceiver control board, 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 communication indicating circuit with USB serial ports.
Further, described distributed power source monitoring center comprises a wireless network interchanger, industrial computer server and a report writer that is connected in INTERNET network, the built-in real-time data base of industrial computer server, relational database and GIS database.
The beneficial effects of the utility model are compared with prior art: the utility model distributed power source monitoring system, it take Force Control configuration software is management platform, using the database of SQLSERVER database as systematic unity, by backstage GIS service routine, complete the integration of GIS spatial data and remote measuring and controlling relation data, realized the target of distributed power source parameter online monitoring system; It is data transfer means that system be take public wireless data communication method (GPRS), in mode cheaply, has realized telemetry and telecommand, has embodied flexibility and the adaptability of system simultaneously; This system has realized the online detection to distributed power source parameter changing condition, can monitor at any time by remote monitoring mode the operating state of each distributed power source simultaneously, be aided with decision Analysis system, can be so that whole distributed power supply system, in best operating state, plays 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 during specified input and output (THD); output power factor during specified input; allow line voltage scope; 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, Real-time Collection, transmission and the management of anti-island protect distributed power parameter monitoring parameter.Realize the automation of distributed power source parameter detecting, solve the problem that parameter detecting manual measurement detects and the efficiency of management is low-cost high in the past.
Gather distributed power source service data, can be according to communication and the network condition of implementing protection zone, configuration is based on GPRS and two kinds of communication modes of short message SMS transmission, the convenient transfer of data providing under fixing public network IP condition.
In the utility model, based on distributed power source monitoring system integrated WEB issuing function, be convenient under the license of authorized user name and password, access monitoring system parameter at any terminal.
In the utility model, realize organically blending of distributed electrical source data and generalized information system, from the detected state of equipment geography information and device parameter, closely combine, from burning natural gas distributed power apparatus management and maintenance aspect, provide necessary position data, 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 utility model distributed power source monitoring system;
Fig. 2 is the functional block diagram of the utility model remote collection terminal;
Fig. 3 is the functional block diagram of the utility model GPRS module;
Fig. 4 is the flow chart of the utility model remote collection terminal;
Fig. 5 is the functional block diagram of the utility model transceiver control board;
Fig. 6 is the workflow diagram of the utility model transceiver.
Embodiment
Below in conjunction with accompanying drawing, to the utility model is above-mentioned, be described in more detail with other technical characterictic and advantage.
The distributed power source parameter monitoring system of utility model based on GPRS/GIS be the wireless remote intelligent on-line monitoring system in a set of Based on Distributed power parameter monitoring field,
Refer to shown in Fig. 1, it is the functional block diagram that the present invention is based on the distributed power source parameter monitoring system of GPRS/GIS, it comprises remote collection terminal, GPRS/SMS data communication units, distributed power source monitoring center, remote collection terminal is carried out data communication by GPRS/SMS data communication units and distributed power source monitoring center, wherein, described remote collection terminal, it gathers and changes distrbuted power data, according to system communication pattern configurations, the data that collect utilize GPRS or SMS to be uploaded to distributed power source monitoring center by wireless network, and receive in real time the instruction that distributed power source monitoring center assigns, according to the control information receiving, realize corresponding operation.
Described GPRS/SMS data communication units, GPRS module and wireless network interchanger, it forwards the various command of assigning by distributed power source monitoring center, the real time data that receiving remote acquisition terminal transmits.
Described distributed power source monitoring center, it uses ForceControl remote software management data terminal, regularly collects terminal data, transmit operation instruction in real time; And server is equipped with real-time data base, relational database and GIS database, to the information detecting preserve, analysing terminal data and running status, discovering device fault and abnormal parameters change and alarm, and can to relevant information, form form and curve as required, complete distributed power source parameter is detected in real time and analyzed, and by backstage GIS service routine, complete the integration of GIS spatial data and remote measuring and controlling relation data, realize the location-based on-line monitoring of distributed power supply system and checkout equipment.
And monitoring center and remote terminal have two kinds of data communication modes: master-slave mode data query pattern and the active pattern that reports, send instruction by monitoring center's computer and carry out pattern configurations.Master-slave mode query pattern is initiatively issued the order of each remote terminal of poll by monitoring computer, compare address and order font size after remote terminal receives orders, and with MODBUS agreement, uploads desired data.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 according to this time interval, automatically upload the operational parameter data of distributed power source.Monitoring center's computer receives each remote terminal data, according to the extension address ID in packet, confirm a minute machine data, and packet is carried out to CRC check, as wrong in check results, initiatively again to this extension set, send query statement requirement retransmission data, until verification is stored after correct again and shown remote terminal data.
The above two kinds of communication patterns configuration of design of Configuration Software support of monitoring computer operation, communication pattern configuration is configured by user interface by monitoring center's computer software, then with command forms, be issued to each remote terminal, communication pattern, the sampling time in saying the word, operational factor kind can be in user interface option and installment.Which kind of pattern remote terminal adopts carry out data according to the communication pattern command selection of receiving and reports.
Refer to shown in Fig. 2, it is for the functional block diagram of 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 modular unit, and power circuit is to modules and circuit supply.
Detection module is for detection of parameters 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 ranges, and by 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; The various parameters that signal isolated variable circuit and signal conditioning circuit gather detection module are amplified through modulate circuit isolation, after AD conversion and digital quantity light-coupled isolation transform, transfer in microcontroller CPU.Output current transforms voltage ADC input in the sheet that adds to CPU is amplified in isolation and detects.
Power circuit adopt 12V direct current input two-way DC/DC conversion module in plate obtain isolation+5V and ± 5V power supply, give respectively Single Chip Microcomputer (SCM) system and signal conditioning circuit power supply.
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, it is for the functional block diagram of 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 antenna with SIM card circuit respectively; GPRS module and microcontroller CPU are connected by serial communication, and the level between microcontroller CPU is Transistor-Transistor Logic level, so just can directly connect without carrying out level conversion, in the work of GPRS module, need SIM card support.At communication interface end, also connect an accessory power supply.
Refer to shown in Fig. 4, shown in its flow chart Fig. 4 that is remote collection terminal of the present invention, it is STC12C5608AD that remote collection terminal adopts CPU, 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 by the sampling period of initial setting, carry out periodicity Test Field data active reporting to monitoring center's server, data are kept in internal RAM simultaneously.Com port monitors the order to main frame at ordinary times, to realize instant transmission testing result.
Refer to shown in Fig. 5, it possesses bridge function for the functional block diagram of transceiver control board of the present invention, wireless network interchanger, forwards the various command of assigning 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 communication indicating circuit with USB serial ports.
PC turns serial port circuit CH341 by USB information is sent to microprocessor, CH341 is the connect chip of a usb bus, by usb bus, provide asynchronous serial port, the interactively speed control signals such as under asynchronous serial port mode, CH341 provides serial ports to send and enables, serial ports ready for receiving.
Communication module peripheral circuit mainly contains: power unit, work indication and data connect expansion mouthful and form.Inside modules CPU adopts STC12C5A60S2 as control core, and peripheral circuit comprises: power unit, work indication and data connect expansion mouthful and form.
Refer to shown in Fig. 6, it is for the workflow diagram of 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 can to on-site wireless terminal, send order by it, 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 is opened, data are kept in internal RAM.
In the present invention, the WEB issuing function of system realizes based on ForceControl software Forcecontrol, and Web client is by IE web page browsing mode, far-end on-site supervision picture that can the issue of direct viewing Surveillance center.Surveillance center's computer is installed Forcecontrol software as server, and the webserver NetServer module of Forcecontrol software provides the WEB server of standard, complete standard compliant HTTP protocol.Monitored picture information through server issue is delivered to fixing network ip address, enters Internet network.The various equipment with the webpage function that surfs the web can be as WEB client, and the IP address information of issuing by input, just can realize remote monitoring.
Realize this kind of function, need not Forcecontrol be installed in browser side, only need under Web server end power control environment, be configured.Specific implementation process is as follows:
The configuration of power control Web server end;
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 is identification the machine IP automatically.If the DB database server of Web server and power control is at uniform machinery, also need be in data source the IP address of the DB database server place machine of specified force control.
The issue of Web server picture;
The picture that issue will be browsed.In software development, open the window that will issue, then choice menus order " file/issue ".Before picture issue, in system program, set user right.Native system has system manager, engineer, three grades of user managements of operative employee, 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 setting completes, need 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 arranges;
If Web client IE browser is browsing far-end monitored picture correctly, can the level of security in IE security attribute be made as low.At IE, carry out when far-end browses, ejecting possibly safety warning picture, need user to confirm.
The method that this patent solves GPRS fixed ip address is Adoption Network address port conversion NAPT (Network Address Port Translation), the method that the Intranet IP of Surveillance center's computer is shone upon by NAPT, the Intranet IP of monitoring center's computer is mapped directly to fixedly IP of public network, each remote terminal carries out addressing network service to Surveillance center's Computer IP and a plurality of port (as 4001-4040) after shining upon, and realizes transfer of data.Its meaning is not need user to apply in addition static public network IP, 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, the computer Intranet IP of monitoring center is mapped to user's public network IP corresponding ports; The GPRS communications setting of remote monitoring terminal Dui Dui monitoring center computer is the IP address after NAPT mapping.
Described distributed power source monitoring center comprises a wireless network interchanger, industrial computer server and a report writer that is connected in INTERNET network, the built-in real-time data base of industrial computer server, relational database and GIS database.
The server of described distributed power source monitoring center based on being connected in INTERNET network, and adopt ForceControl remote software management data terminal, regularly collect test terminal data, transmit operation instruction in real time.And to the information detecting preserve, analysing terminal data and running status.Discovering device fault and abnormal parameters and alarm, and can to relevant information, form form and curve as required, complete detection and the management of distributed power source service data.Following functions is realized at monitor service center:
(a) signal intelligence of acquisition terminal is monitored; And real-time receiving terminal data;
(b) data collection station working method is arranged, receive data collection station institute image data;
(c) friendly human-computer interaction interface, can dynamically show the operation conditions of distributed power source;
(d) can arrange parameters such as GPRS terminal address, passage, transmission intervals;
(e) real-time graph shows, and can draw tendency chart;
(f) data are preserved, and can preserve the historical data of distributed power source parameter;
(g) faulty indication and alarm, have figure alarm indication and sound alarm;
(h) report form statistics, makes time statistics to all kinds of operational factors and prints;
Data monitor center server operation ForceControl configuration software, pass through system configuration, complete the on-line monitoring to distributed power source parameter, can realize following function: distributed power source parameter detects in real time, parameter trend figure shows, history parameters is inquired about, abnormal parameters is reported to the police, historical alarm logging is inquired about, generated data form, 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.
The functions such as the login that wherein, user management module can completing user, user log off, change password, modification user (comprise add and delete user); Data query module can derive and printing the data that satisfy condition according to information inquiry data such as time and conditions, deletes in interlocking SQL database the functions such as data; History report module can generate daily sheet and month form fast according to setup times, and can derive and printing function form; Fault alarm module can realize abnormal parameters warning and equipment fault or On-line Tip not, and the power parameter occurring is in history reported to the police and can be inquired about by alarm logging; Logout module can record and inquire about system event and customer incident; Trend curve module can be drawn according to real-time data base the trend curve of distributed power source institute detected parameters.
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 and changes distrbuted power data, according to system communication pattern configurations, collects the data message of distributed power source;
Utilize GPRS or SMS to be uploaded to distributed power source monitoring center by wireless network;
Step b, described GPRS/SMS data communication units, its data information transfer that remote collection terminal is collected to distributed power source is to distributed power source monitoring center;
Step c, described distributed power source monitoring center, it uses ForceControl remote software management data terminal, regularly collect the information that GPRS/SMS data communication units sends, and the information detecting is preserved, analysing terminal data and running status, discovering device fault and abnormal parameters change and alarm, and can to relevant information, form form and curve as required, complete distributed power source parameter is detected in real time and analyzed, and by backstage GIS service routine, complete the integration of GIS spatial data and remote measuring and controlling relation data, realize the location-based on-line monitoring of distributed power supply system and checkout equipment.
It is basis that GIS Query Subsystem be take existing spatial database and attribute database, utilize and mainly realize map demonstration, remote monitoring terminal distribution, the operation of remote distributed power attributes and output, by map inquiry attribute information, and utilize the functions such as the existing remote terminal distribution map of Data Update in database and geographical position.
The ASCII frame structure that adopts MODBUS communication protocol in message transmitting procedure, comprises 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 is communicated by letter with extension set and is sent and the parsing of unpacking according to MODBUS protocol packing, 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 directly deposits the real-time data base in configuration software in, as initial data, preserve, while is through operational factor and the state parameter of certain hour interval calculation distributed power source out, by the statement unloading of configuration software calling data storehouse, enter SQL relational database, as the system parameters of inquiry and demonstration.GIS database provides distributed power source basic map figure layer information, and using distributed power source running status and major parameter data as a new figure layer data, deposit in GIS storehouse, show that distribution map geography information simultaneously, can realize the demonstration of operational factor and state.
System main feature of the present invention:
A) leading, the advanced technology of product.Wireless supervisory control system adopts advanced GPRS technology as communication modes, integrates the multiple advanced technologies such as computer, communication, automatic control, Stability Analysis of Structures, and autgmentability is strong.
B) Real-time Collection, centralized monitor.The various real time datas of Surveillance center's each site control point of energy Real-time Collection.Wireless monitor system can be found various dissimilar faults in time simultaneously, produces warning message, fault point is accurately located, and take to report to the police accordingly treatment measures.
C) communicate by letter quick, safe and reliable.Peak transfer rate can be up to 171.2KB/s, and the monitoring management system based on GPRS has transmitted in both directions, propagation delay time is little, the many merits such as faster system response, security reliability height.
D) data accurately, abundant information.By query interface, user can customize the historical data in enquiry of historical data storehouse, can generate fast, print the moon, season, year statistical report form according to user's demand simultaneously.
E) friendly interface, simple to operate.Software interface design adopts the general graphical interface style of Windows, friendly interface, and all control commands are remembered command format without user, all adopt mouse to click menu or window realization, and whole operation interface is used easily, simple to operate.
F) remote browse, devise strategies at the headquarters.Wireless monitor system makes the home-confined real time execution situation that just can understand whole wireless monitoring management system of user, 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, utilize fully existing comparatively perfect public network resource, greatly saved construction investment, shortened the construction period, the performance and price of whole system is higher, and this system Construction investment is compared and can be saved more than 40% with the investment of building wireless private network.
The foregoing is only preferred embodiment of the present utility model, is only illustrative for utility model, and nonrestrictive.Those skilled in the art is understood, and in the spirit and scope that require to limit, can carry out many changes to it in utility model right, revise, and even equivalence, but all will fall in protection range of the present utility model.
Claims (4)
1. a distributed power source monitoring system, it is characterized in that, it comprises remote collection terminal, GPRS/SMS data communication units, distributed power source monitoring center, remote collection terminal is connected with GPRS/SMS data communication units, GPRS/SMS data communication units is connected with distributed power source monitoring center, wherein
Described remote collection terminal, it comprises detection module, signal isolated variable circuit, signal conditioning circuit, microcontroller CPU, power circuit, detection module is connected with signal isolated variable circuit, signal isolated variable circuit and signal modulate circuit connects, signal conditioning circuit is connected with microcontroller CPU, microcontroller CPU is connected with GPRS modular unit, power circuit and signal isolated variable circuit, microcontroller.
2. distributed power source monitoring system according to claim 1, is characterized in that, described GPRS/SMS data communication units, and it comprises GPRS module and wireless network interchanger, wherein,
Described GPRS module, it comprises communication interface, serial port drive circuit, GPRS circuit, SIM card circuit and antenna, 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 antenna with SIM card circuit respectively; GPRS module is passed through serial communication with being connected of microcontroller CPU.
3. distributed power source monitoring system according to claim 2, it is characterized in that, described wireless network interchanger comprises a transceiver control board, 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 communication indicating circuit with USB serial ports.
4. distributed power source monitoring system 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 that is connected in INTERNET network, the built-in real-time data base of industrial computer server, relational database and GIS database.
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| CN201420492716.3U CN204030729U (en) | 2014-08-26 | 2014-08-26 | A kind of distributed power source monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159209A (en) * | 2015-07-27 | 2015-12-16 | 石家庄学院 | Power supply monitoring transceiving apparatus based on GPRS technology |
| CN106411594A (en) * | 2016-10-13 | 2017-02-15 | 合肥拓发信息科技有限公司 | Check device for communication equipment |
-
2014
- 2014-08-26 CN CN201420492716.3U patent/CN204030729U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159209A (en) * | 2015-07-27 | 2015-12-16 | 石家庄学院 | Power supply monitoring transceiving apparatus based on GPRS technology |
| CN105159209B (en) * | 2015-07-27 | 2018-01-23 | 石家庄学院 | A kind of Power Supply Monitoring R-T unit based on GPRS technologies |
| CN106411594A (en) * | 2016-10-13 | 2017-02-15 | 合肥拓发信息科技有限公司 | Check device for communication equipment |
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