CN202306261U - Heterogeneous-network-based remote monitoring system for wind-solar energy complementary power station - Google Patents
Heterogeneous-network-based remote monitoring system for wind-solar energy complementary power station Download PDFInfo
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- CN202306261U CN202306261U CN2011203265025U CN201120326502U CN202306261U CN 202306261 U CN202306261 U CN 202306261U CN 2011203265025 U CN2011203265025 U CN 2011203265025U CN 201120326502 U CN201120326502 U CN 201120326502U CN 202306261 U CN202306261 U CN 202306261U
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Abstract
The utility model discloses a heterogenous-network-based remote monitoring system for a wind-solar energy complementary power station. The remote monitoring system comprises a field monitoring network unit, a heterogenous network communication switching interface unit, a wireless communication network unit, a wireless gateway unit and a remote access and control unit which are connected in sequence; and a wired monitoring network and a wireless monitoring network together form the remote monitoring system, which not only meets the field real-time monitoring requirement for the wind-solar energy complementary power station and power supply equipment therefor, but also facilitates the transmit-receive, collection and teletransmission of the monitoring data of each power station. The remote monitoring system has the advantages of high real-time performance, strong reliability, low construction and running costs, wide monitoring range, and strong expandability.
Description
Technical field
The utility model relates to a kind of long distance control system, is specifically related to a kind of wind light mutual complementing power station remote monitoring system based on heterogeneous network.
Background technology
In recent years, wind energy and sun power have obtained the concern and the research of more and more national as potential and the most ideal clean energy resource.Two kinds of clean energy resourcies have renewable, pollution-free, the advantage widely that distributes, but weakness such as energy density is low, randomness is strong are also arranged simultaneously.Especially for the low capacity electricity generation system, the both is difficult to independent supply of electrical energy source as steady and continuous.People discover that the two has good complementarity simultaneously; If with both according to rational capacity configuration complementary operation and the equilibrium that suitable battery pack is carried out energy storage and load is installed; Then can make the weak tendency of the two be able to equilibrium, obtain more stable power supply output.The electricity generation system of this structure is called as wind and solar hybrid generating system.
The core of wind and solar hybrid generating system is a power station control system; Not only relate to monitoring, also need relate to exchanging or the monitoring of external environment condition situations such as DC load operation conditions and temperature, humidity to photovoltaic power generation apparatus, wind power generation plant, accumulator charging/discharging system.At present; Be used for representative with outlying island and farming and pastoral area, unattended communication base station and weather station, charging pile for electric vehicle and unit or family etc.; The demand of wind and solar hybrid generating system is increasing, and is also increasingly high to the automaticity requirement of power station control system.Because wiring cost is high and the shortage of monitoring means; Existing wind light mutual complementing monitoring power station system mainly all is based on local single monitoring power station system mode; The information-based integrated level of control system is not high; Each power station self-organizing system forms " information island ", causes operation, the operating result in a plurality of power stations of areal can not concentrate supervision, record and statistics, and operation and maintenance rely on manual carrying out in a large number; Do not reach the requirement of quantitative management, bring difficulty for operation monitoring, fault diagnosis and the eliminating of wind light mutual complementing power generation equipment.
In order the wind light mutual complementing power station that is dispersed in areal to be concentrated monitoring in real time; And in time send monitor data to power management department; Press for the network system that makes up a kind of intelligent identification, location, tracking, monitoring and management, make the monitoring in wind light mutual complementing power station and management break away from manual intervention more, improve automaticity; Realize that pilotless, process controls and remote monitoring automatically, improve system performance.
The utility model content
The utility model purpose: the purpose of the utility model is in order to solve the deficiency of prior art, a kind of wind light mutual complementing power station remote monitoring system based on heterogeneous network to be provided.
Technical scheme: for achieving the above object; The utility model provides a kind of wind light mutual complementing power station remote monitoring system based on heterogeneous network; This system comprises: on-site supervision NE, heterogeneous network Interface of Communication Conversion unit, wireless communication network unit, radio network gateway unit, remote access and control module, five unit connect successively.
Said on-site supervision NE is made up of a plurality of wind light mutual complementings power station on-site supervision device, and each wind light mutual complementing power station on-site supervision device all connects each monitor node through the CAN bus, connects load equipment through CC-Link bus or RS485 bus.
Said monitor node comprises photovoltaic generation monitor node, wind-power electricity generation monitor node, accumulator cell charging and discharging monitor node, external environment condition monitoring node, DC/AC inverter monitor node, DC/DC transducer monitor node.
The CAN bus connects each the main monitor node (the core control element is 8 or 16 8-digit microcontrollers) in the wind light mutual complementing power station, realizes the monitoring data collection and the transmission of temperature, humidity, illuminance, wind speed etc. to solar energy tracking regulating device, photovoltaic battery panel output voltage and electric current, wind energy tracking adjusting device, aerogenerator output voltage and electric current, battery temp, battery tension and electric current, dc load voltage and electric current, AC load voltage and current and external environment condition; Consider the inner communication bus structure (like CC-Link bus, RS485 bus etc.) that just contains of many electricity consumption load equipments itself; Therefore also design in the wind light mutual complementing power station on-site supervision NE communication interface and comprised general on-the-spot consumer communication bus commonly used; Make on-the-spot consumer can and the wind light mutual complementing power station between realize data communication; Thereby can outwards transmit through the running state data of wind light mutual complementing power station remote monitoring network with on-the-spot consumer; Steering order that also can receiving remote Surveillance center realizes the Long-distance Control to on-the-spot consumer.
Said heterogeneous network Interface of Communication Conversion unit is made up of a plurality of switching nodes, the corresponding wind light mutual complementing power station of each switching node.
In order to accomplish the communication data convert task real-time and accurately; Heterogeneous network Interface of Communication Conversion unit need adopt 8 or 16 8-digit microcontrollers as the core control element; This controller can provide multiple bus communication interface; Or extend out communication interface, with realize with various isomery communications network interfaces between be connected; For the ease of communication data conversion and data transmit-receive situation are in time understood and control, the microcontroller periphery also need extend out man-machine interface and relay output control simultaneously.
Said wireless communication network unit is made up of ZigBee network router, ZigBee network coordinator, a plurality of network transmitting-receiving node, transmitting-receiving node of a wind light mutual complementing power station configuration.
Can wind light mutual complementing power station that be dispersed in diverse location in the same area and loaded work piece status data be transmitted, converge with wireless mode through wireless communication network unit, for further transmitting to host computer and user
Provide safeguard.Otherwise; Also can host computer or user's steering order be distributed to each network transmitting-receiving node downwards through wireless communication network unit; So that further send to corresponding wireline communication network, until arriving corresponding monitor node through the data-switching of heterogeneous network Interface of Communication Conversion.
Said radio network gateway unit comprises the ARM embedded system; Employing is based on the 32-bit microprocessor S3C2440 of ARM framework; Said ARM embedded system is connected with network coordinator through serial ports; The ARM embedded system is connected with Internet network wireless network interface card through USB interface, and the ARM embedded system is connected with the GPRS communication module through serial ports.
Said remote access and control module carry out remote access and control through dual mode; The one, carry out with the mode of web page browsing through the Internet network by the remote monitoring center terminal, the 2nd, carry out with the short message communication mode through GPRS network through user mobile phone terminal.
Beneficial effect: a kind of wind light mutual complementing power station remote monitoring system of the utility model based on heterogeneous network; Possesses the advantage that real-time height, good reliability, construction and operating cost are low, monitoring range is wide and extensibility is strong; The mode that combines with cordless communication network through wireline communication network; Not only satisfied the higher real-time requirement of on-site supervision; And make the monitoring in wind light mutual complementing power station and management break away from manual intervention more, and improved system performance, further improved the real-time of system responses; Adopt technology such as multiple communication network type, multilayer communication network architecture, multiple microcontroller, effectively improved the reliability of long distance control system; Through the isomery communication network wind light mutual complementing power station remote monitoring and on-the-spot consumer remote monitoring are linked together, on-the-spot consumer can utilize original communication mode and communication interface, the media that utilizes existing social resources GPRS network and Internet network to transmit as information simultaneously; Can cover overwhelming majority area, not have the blind area basically, and the investment of system is declined to a great extent; System's operation expense reduces; Transmission speed is fast, on a large scale, in enormous quantities use provide maybe, economized human resources; Improved communication efficiency, had great practical value; Employing is based on the cordless communication network of ZigBee, can increase flexibly according to on-site actual situations corresponding to the ZigBee terminal node quantity in each wind light mutual complementing power station, therefore has very strong system extension property.
Description of drawings
Fig. 1 is the wind light mutual complementing power station remote monitoring system global structure synoptic diagram of the utility model;
Fig. 2 is the heterogeneous network Interface of Communication Conversion cellular construction synoptic diagram of the utility model;
Fig. 3 is the radio network gateway cellular construction synoptic diagram of the utility model.
Embodiment
The wind light mutual complementing power station remote monitoring system global structure synoptic diagram of the utility model as shown in Figure 1, this system comprises: on-site supervision NE 1, heterogeneous network Interface of Communication Conversion unit 2, cordless communication network
Unit 3, radio network gateway unit 4, remote access and 5 five unit of control module; On-site supervision NE 1 is made up of a plurality of wind light mutual complementings power station on-site supervision device; Each wind light mutual complementing power station on-site supervision device all connects each monitor node through the CAN bus; Connect load equipment through CC-Link bus or RS485 bus, the monitor node that connects through the CAN bus mainly contains photovoltaic generation monitor node 6, wind-power electricity generation monitor node 7, accumulator cell charging and discharging monitor node 8, external environment condition monitoring node 9, DC/AC inverter monitor node 10, DC/DC transducer monitor node 11.Heterogeneous network Interface of Communication Conversion unit 2 is made up of some switching nodes 12; The data-switching between CAN bus, CC-Link bus and RS485 bus network communication data and the ZigBee wireless communication data is realized in each switching node 12 corresponding wind light mutual complementing power station.The wireless communication data that the on-site supervision data in each wind light mutual complementing power station form after changing all transmits to ZigBee network coordinator 14 via the ZigBee network router 13 in the wireless communication network unit 3, transmits to radio network gateway unit 4 through ZigBee network coordinator 14 again.ZigBee network router 13 is made up of the full-function device of ZigBee, and its main function is exactly that the data that the on-site supervision NE is changed and sent are carried out route.Telegon mainly is responsible for the data that the router route is come are temporarily preserved, and waits for that host computer conducts interviews.In addition, telegon also is responsible for its ZigBee network of administering is safeguarded, is received the command information of host computer and the parameter of changed network.The core of radio network gateway unit 4 is ARM embedded systems 15, adopts the 32-bit microprocessor S3C2440 based on the ARM framework.ARM embedded system 15 is connected with ZigBee network coordinator 14 through serial ports; Be connected with Internet network wireless network interface card 16 through USB interface; Be connected with GPRS communication module 17 through serial ports, realization wireless communication network unit 3 is changed with communication with the communication data between GPRS network and the Internet network and is connected.Wireless network card 16 adds the Internet net through local area network wireless router one 8 with ARM embedded system 15; Just can visit the monitor data that cordless communication network is gathered and is sent to by the terminal of remote monitoring center 19; Can also be through the performer in the terminal man machine operation interface Long-distance Control wind light mutual complementing power station, maintenance system is stable.Remote monitoring center 19 has abundant friendly graphic user interface, real-time Control of Power Plant, state demonstration, fault alarm, data statistics, and functions such as report generation realize the robotization of wind light mutual complementing power management.GPRS communication module 17 can make long-distance user's mobile phone terminal 20 understand each item data target of wind light mutual complementing power station internal and external environment through the mode of SMS, the performer in the control wind light mutual complementing power station.
The heterogeneous network Interface of Communication Conversion cellular construction synoptic diagram of the utility model as shown in Figure 2, the core control element of heterogeneous network Interface of Communication Conversion unit 2 is microcontrollers 21, adopts 8 single chip computer AT 89C51CC03 of embedded CAN bus controller.The CAN bus connects each monitor node of wind light mutual complementing power station.AT89C51CC03 isolates back and CAN bus driver 22 through the CAN EBI that carries through photoelectricity
Be connected.CAN bus driver 22 can adopt the 82C250 chip; 82C250 is the interface between CAN controller and physical bus; Differential transmission and receiving ability to bus can be provided, compatible fully with the ISO11898 standard, and have the ability of anti-instantaneous interference and protection bus.CC-Link bus and RS485 bus are connected the power supply load equipment in wind light mutual complementing power station respectively, realize respectively and contain the communication of CC-Link bus with the consumer of RS485 bus and be connected.AT89C51CC03 is connected with CC-Link bus remote equipment station control 23 through data bus, address bus and control signal.CC-Link bus remote equipment station control adopts CC-Link bus remote equipment station private communication control chip MFP3.MFP3 has the STD bus structure, can be used as STD bus equipment and links to each other with intelligent control chip (MCU), carries out the transmission of bit data and digital data, inner integrated poll, response, error diagnosis and reception/sending function.AT89C51CC03 is responsible for the MP3 initialization and carries out exchanges data with MP3, gathers the work state information of wind light mutual complementing power station electric energy institute supply equipment, the output device control signal.The MP3 peripheral circuit comprises that baud rate, station number deploy switch, state show LED output.AT89C51CC03 is through data/address bus, and RD (reading), WR (writing) or CE (sheet choosing) signal wire carries out bus access to MP3.AT89C51CC03 and the asynchronous communication interface UART that carries being connected of RS485 bus through it, external RS485 transceiver 24, the RS485 transceiver adopts the 75LBC184 chip, and adopts high speed photo coupling to carry out electrical isolation between the AT89C51CC03.Through analyzing and processing and the control of AT89C51CC03, realize the conversion between CAN bus, CC-Link bus and RS485 bus data and the ZigBee cordless communication network data.The data transmit-receive of ZigBee cordless communication network carries out through ZigBee radio communication transmitting-receiving node controller 25, is used for realizing the SOC(system on a chip) CC2430 that embedded ZigBee uses.CC2430 supports 2.4GHz IEEE 802.15.4/ZigBee agreement, and inside mainly is made up of three part of module, is respectively: CPU module, power supply, test and clock distribution module, wireless module.AT89C51CC03 is connected with the SPI interface that CC2430 carries through the SPI interface that carries.SPI SPI interface is a kind of synchronous serial Peripheral Interface, and it can make microcontroller and various peripherals communicate with exchange message with serial mode.CC2430 connects external antenna module 26 more just can carry out data communication with cordless communication network.For the ease of communication data conversion and data transmit-receive situation are in time understood and control, peripheral hardwares such as LCD display, keyboard, voice broadcast and relay output control have also been expanded in the microcontroller periphery.
The radio network gateway cellular construction synoptic diagram of the utility model as shown in Figure 3; Radio network gateway is core parts with the 32-bit microprocessor 27 based on the ARM framework; Select the high performance 32 bit processor S3C2440 of ARM920T kernel for use, its dominant frequency adopts 5 level production lines and Harvard structure up to 400MHz.S3C2440 is connected with wireless network card 28 through USB interface, and wireless network card 28 adopts 100M self-adaptation ether web-roll core
Sheet DM9000 is characterized in: support 8,16,32 bit data bus width; Register manipulation is simply effective, and ripe Linux driver support is arranged.Can insert the Internet net through wireless network card 28 and LAN wireless router.S3C2440 also is connected with GPRS module 30 with ZigBee telegon 29 respectively through the UART interface.The main peripheral hardware of S3C2440 also has: FLASH program storage 31, SDRAM data-carrier store 32, touch screen interface 33 etc.
Claims (7)
1. wind light mutual complementing power station remote monitoring system based on heterogeneous network; It is characterized in that: this system comprises: on-site supervision NE (1), heterogeneous network Interface of Communication Conversion unit (2), wireless communication network unit (3), radio network gateway unit (4), remote access and control module (5), five unit connect successively.
2. the wind light mutual complementing power station remote monitoring system based on heterogeneous network according to claim 1; It is characterized in that: said on-site supervision NE (1) is made up of a plurality of wind light mutual complementings power station on-site supervision device; Each wind light mutual complementing power station on-site supervision device all connects each monitor node through the CAN bus, connects load equipment through CC-Link bus or RS485 bus.
3. the wind light mutual complementing power station remote monitoring system based on heterogeneous network according to claim 2 is characterized in that: said monitor node comprises photovoltaic generation monitor node (6), wind-power electricity generation monitor node (7), accumulator cell charging and discharging monitor node (8), external environment condition monitoring node (9), DC/AC inverter monitor node (10), DC/DC transducer monitor node (11).
4. the wind light mutual complementing power station remote monitoring system based on heterogeneous network according to claim 1; It is characterized in that: said heterogeneous network Interface of Communication Conversion unit (2) is made up of a plurality of switching nodes (12), the corresponding wind light mutual complementing power station of each switching node (12).
5. the wind light mutual complementing power station remote monitoring system based on heterogeneous network according to claim 1; It is characterized in that: said wireless communication network unit (3) is made up of ZigBee network router (13), ZigBee network coordinator (14), a plurality of network transmitting-receiving node, transmitting-receiving node of a wind light mutual complementing power station configuration.
6. the wind light mutual complementing power station remote monitoring system based on heterogeneous network according to claim 1; It is characterized in that: said radio network gateway unit (4) comprises ARM embedded system (15); Employing is based on the 32-bit microprocessor S3C2440 of ARM framework; Said ARM embedded system (15) is connected with network coordinator (14) through serial ports; ARM embedded system (15) is connected with Internet network wireless network interface card (16) through USB interface, and ARM embedded system (15) is connected with GPRS communication module (17) through serial ports.
7. the wind light mutual complementing power station remote monitoring system based on heterogeneous network according to claim 1; It is characterized in that: said remote access and control module (5) carry out remote access and control through dual mode; The one, carry out with the mode of web page browsing through the Internet network by remote monitoring center (19) terminal, the 2nd, carry out with the short message communication mode through GPRS network through user mobile phone terminal (20).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402213A (en) * | 2011-09-02 | 2012-04-04 | 南通纺织职业技术学院 | Heterogeneous network-based remote monitoring system for wind and light supplementary power station |
| CN104062957A (en) * | 2014-06-16 | 2014-09-24 | 弗尔赛（上海）能源科技有限公司 | Remote monitoring system for fuel cell standby power supply |
| CN105759738A (en) * | 2014-12-17 | 2016-07-13 | 成都创客之家科技有限公司 | Photovoltaic system data collection terminal |
-
2011
- 2011-09-02 CN CN2011203265025U patent/CN202306261U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402213A (en) * | 2011-09-02 | 2012-04-04 | 南通纺织职业技术学院 | Heterogeneous network-based remote monitoring system for wind and light supplementary power station |
| CN104062957A (en) * | 2014-06-16 | 2014-09-24 | 弗尔赛（上海）能源科技有限公司 | Remote monitoring system for fuel cell standby power supply |
| CN105759738A (en) * | 2014-12-17 | 2016-07-13 | 成都创客之家科技有限公司 | Photovoltaic system data collection terminal |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20140902 |
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| EXPY | Termination of patent right or utility model |