CN101964738A - Communication system for wind power station - Google Patents

Communication system for wind power station Download PDF

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Publication number
CN101964738A
CN101964738A CN2010102551509A CN201010255150A CN101964738A CN 101964738 A CN101964738 A CN 101964738A CN 2010102551509 A CN2010102551509 A CN 2010102551509A CN 201010255150 A CN201010255150 A CN 201010255150A CN 101964738 A CN101964738 A CN 101964738A
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China
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communication
optical fiber
interface
network
ethernet
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CN2010102551509A
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Chinese (zh)
Inventor
陈建国
曾斌
胡盛
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东方电气集团东方汽轮机有限公司
四川东方电气自动控制工程有限公司
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Priority to CN2010102551509A priority Critical patent/CN101964738A/en
Publication of CN101964738A publication Critical patent/CN101964738A/en

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Abstract

The invention provides a communication system for a wind power station, which comprises a wind field monitoring central server and a plurality of blower user terminals, wherein the wind field monitoring central server and each blower user terminal are respectively provided with a communication controller; the communication interfaces of the communication controllers are connected end to end through optical fibers to form a ring network; the communication controllers are provided with two pairs of optical fiber communication interfaces which are connected end to end through optical fibers to form a dual-channel optical fiber ring network; or the communication controllers are provided with four pairs of optical fiber communication interfaces which are connected end to end through optical fibers to form a bidirectional dual-channel optical fiber ring network. The invention realizes a self-healing function of a network, prevents node failure in the ring network from causing interruption of network communication, carries out automatic selection on transmission paths in signal transmission, ensures intra-network flow equilibrium, simultaneously reduces equipment investment, improves communication efficiency, ensures accuracy and high efficiency of monitoring, is suitable for various networking modes, improves communication speed, enhances carrying capacity, increases memory space, and has easy large-scale use and popularization.

Description

A kind of wind energy turbine set communication system
Technical field
The present invention relates to wind power generation field, specifically is the structure and the strategy of communicating by letter between each blower fan in a kind of wind site communication network.
Background technology
Wind site communication network is the physical route of remote monitoring fan operation state, also is the tie that connects wind turbine generator and wind energy turbine set supervisory control system, and whether communication network the operational efficiency of the direct whole wind field of operate as normal.
Difference according to Host Controler Interface, wind energy turbine set exists serial ports to change optical fiber and Ethernet changes two kinds of connected modes of optical fiber, generally all be open loop networks, because wind field is in the more abominable geographical position of environment usually, communication equipment is relative higher with the probability that circuit is broken down by effect of natural conditions.If the employing single communications line, in case certain node or one section line failure then can cause a large amount of blower fans and wind field monitoring system out of touch; If adopt extension wire and equipment, though can improve the reliability of communication to a certain extent, but can cause the idleness of equipment.
At above-mentioned situation, looped network has appearred in recent years, and the reliability of communication system, communication efficiency are greatly improved, but this looped network is a monocycle, have only a circular passage, in case certain node of looped network breaks down, just become open loop networks, can't self-healing.
In general, also do not have at present a kind ofly can under normal circumstances transmit data efficiently, when breaking down, can rebuild looped network automatically simultaneously, guarantee the wind site communication network of blower fan proper communication.
Simultaneously, the communication interface of existing blower fan master controller has two kinds of serial ports optical fiber interface and Ethernet interfaces, need adopt serial ports optical fiber and Ethernet optical fiber that the blower fan network is carried out networking respectively.If the communication interface of one batch blower fan is that the communication interface of the blower fan of serial ports optical fiber interface, another batch of serial ports optical fiber is an Ethernet interface in the wind energy turbine set.If,, therefore adopt prior art, above-mentioned two kinds of blower fans can't be connected in the wind farm network owing to the communication transmission media in the wind farm network must be consistent to the networking simultaneously of above-mentioned two kinds blower fan.
Summary of the invention
The object of the present invention is to provide a kind of wind energy turbine set communication system, strengthen the reliability and the compatibility of communication.
The technical solution used in the present invention is:
A kind of wind energy turbine set communication system, comprise wind field monitoring central server and some blower fan user terminals, wind field monitoring central server and each blower fan user terminal are furnished with a communication controler respectively, the communication interface of communication controler joins end to end by optical fiber, form looped network, described communication controler has two pairs of optical fiber communication interfaces, joins end to end by optical fiber, forms the binary channels optical fiber ring network; Or
Described communication controler has four pairs of optical fiber communication interfaces, joins end to end by optical fiber, forms two-way twin-channel optical fiber ring network.
Described binary channels optical fiber ring network is a kind of of monomode fiber looped network, multimode fiber looped network, single mode multimode hybrid fiber looped network, and the twin-channel communication mode unanimity of optical fiber between adjacent two communication controlers.
Described binary channels optical fiber ring network is a plurality of arranged side by side, communicates by letter with monitoring central server by switch.
This system also comprises remote monitoring center, and this remote monitoring center and wind field Surveillance center are furnished with router and switch respectively, forms monitor network, by the internet interactive communication.
Described communication controler is made up of CPU module and communication interface modules, central processing unit is a little process chip, communication interface modules is connected on the central processing unit, the communication interface that is used for the expanding communication controller makes it to have: the Ethernet interface of binary channels optical fiber ring network, the Ethernet interface of monitor network, with the communication interface of blower fan master controller and expansion with serial ports optical fiber ring network interface.
Described communication controler has two kinds of communication interfaces with blower fan, is respectively serial ports optical fiber interface and RJ45 Ethernet interface.
Described communication interface modules comprises ethernet interface circuit, Ethernet transformer and the switch module that is connected successively with central processing unit; Ethernet interface circuit provides the access passage of Ethernet for central processing unit; The Ethernet transformer inserts passage with above-mentioned Ethernet and converts the RJ45 Ethernet interface to; Switch module is expanded this RJ45 Ethernet interface, makes communication controler have a plurality of Ethernet optical fiber interfaces and RJ45 Ethernet interface.
The serial ports optical fiber interface of described communication controler is the serial ports of central processing unit, and this serial ports directly connects the master controller of blower fan by optical fiber.
Also by connecting the CAN controller chip, expansion has the CAN interface to described central processing unit.
Described central processing unit expansion has a DEBUG debug serial port, an optical fiber serial ports to be connected with the blower fan master controller, and an optical fiber serial ports can be set up single loop network.
The beneficial effect that the present invention produces is:
The present invention is a kind of wind energy turbine set communication system, at first, the wind field looped network is the binary channels optical fiber ring network, has advantages such as cable length weak point, error transmissions, have two quantum jump sexual functions: (1) can realize the self-healing function of network, prevents to break down in the looped network and causes the interruption of network service; (2) in the signal transmission, two-way twin-channel optical fiber ring network can also be selected automatically to transmission path, reaches the purpose of flow equilibrium.
Secondly, this communication system can be supported multiple networking mode, has abundant expansion interface, can rationally arrange network configuration and transmission medium at different network environments, equipment requirements, carries out different designs and construction.Communication controler of the present invention has serial ports optical fiber interface and two kinds of interface shapes of Ethernet interface, above-mentioned two kinds of blower fans can be connected in the wind farm network, and be applicable to the networking of the existing blower fan of using always.
Once more, a monitor network can be monitored a plurality of blower fan looped networks, significantly reduces equipment investment, improves communication efficiency, and monitor network has master station and remote monitoring two-stage, guarantee more effectively to monitor accurately and efficient.
And, adopt optical fiber as Network Transfer Media, transmission rate height, distance, anti-electromagnetic interference capability are strong, and transmission rate reaches 155M/s.Simultaneously, adopt little process chip, power is 180MHz, and communication speed improves greatly, and bearing capacity strengthens greatly,
And, adopting little process chip and exented memory, memory space increases greatly, simultaneously, adopts FTP service and Web service, makes internal memory reach more than the 128M.
Compare with existing wind field communication network, not only the data transmission efficiency height is applicable to multiple networking mode, saves transmission line, equipment and investment, and this communication system can be transformed on original wind field network, is easy to use on a large scale and promote.
Description of drawings
Fig. 1 is the structural representation of wind energy turbine set communication system of the present invention;
Fig. 2 is the topological structure schematic diagram of communication controler of the present invention;
Fig. 3 is the connection diagram of center processor of the present invention;
Fig. 4 is the structural representation of ethernet interface circuit of the present invention;
Fig. 5 is the structural representation of switch module of the present invention;
Fig. 6 is the concrete connection diagram of communication controler of the present invention;
Fig. 7 is a serial ports optical fiber ring network networking mode schematic diagram of the present invention;
Fig. 8 is first kind of mode schematic diagram of Ethernet optical fiber ring network of the present invention networking;
Fig. 9 is the second way schematic diagram of Ethernet optical fiber ring network of the present invention networking;
Figure 10 is the third mode schematic diagram of Ethernet optical fiber ring network of the present invention networking;
Figure 11 is a communication controler software architecture diagram of the present invention.
Embodiment
As shown in Figure 1, be the network topology structure of whole wind electric field communication system of the present invention.This wind energy turbine set communication system comprises wind field looped network and monitor network, and wind field looped network and monitor network are Ethernets, and monitor network a plurality of wind field looped networks in parallel, and promptly a monitor network is monitored a plurality of wind field looped networks.
Every typhoon machine in the wind energy turbine set is equipped with a communication controler, and the connected blower fan master controller of communication controler carries out information exchange.All communication controlers have two pairs of optical fiber communication interfaces in the wind field, join end to end by optical fiber, form the optical fiber ring network of binary channels, two-way simultaneous.Whole optical fiber ring network constitutes a local area network (LAN), and wherein each communication controler promptly constitutes the node of wind field looped network.
Monitor network comprises center monitoring main website and remote monitoring center, and center monitoring main website and remote monitoring center constitute monitor network respectively by switch and router access network based on ethernet or optical networking.The monitor network of present embodiment adopts internet, and center monitoring main website and remote monitoring center are computers.Monitor network can insert the wind field looped network by the RJ45 Ethernet interface on the communication controler, directly visits the real time data and the running status of every typhoon machine in the local area network (LAN).
Because communication controler will communicate with the blower fan master controller of blower fan to gather the blower fan data.In the wind energy turbine set, the blower fan master controller has high speed serial ports optical fiber interface and two kinds of connected modes of Ethernet interface at home.Therefore, be compatible these two kinds of systems, communication controler of the present invention has two kinds of interfaces of high speed serial ports optical fiber interface and Ethernet interface simultaneously and is connected with the blower fan master controller.
Communication controler is except communicating with the blower fan master controller, and each ethernet communication controller also will constitute wind farm network by Ethernet light mouth.Existing wind energy turbine set has monocycle optical fiber ring network and two kinds of schemes of dicyclo optical fiber ring network, so the ethernet communication controller will possess two pairs of serial ports optical fiber interfaces or two pairs of optical fiber communication interfaces at least, with convenient Ethernet light looped network or the dual loop redundancy Ethernet optical fiber ring network set up.If communication controler has four pairs of optical fiber communication interfaces, joins end to end by optical fiber, can set up two-way twin-channel optical fiber ring network.In signal transmission, the node in two-way twin-channel optical fiber ring network changes, when deleting, communication controler can also be selected automatically to the transmission path of signal, finds nearest transmission path and transmission direction transmission, makes flow equilibrium in the looped network.By being configured, the ethernet communication controller can select optical fiber ring network and dual loop redundancy self-healing optical networking dual mode to carry out networking.When situations such as generation power down or port damage, can produce the relay output alarm.
Communication controler is as a chief component of wind farm network, plays a part to connect various piece in the network, mainly comprise communicate by letter, constitute with blower fan wind farm network and with major function such as supervisory control comuter direct communication.
As shown in Figure 2, communication controler comprises: central processing unit and communication interface modules, described central processing unit are little process chip, receive the real-time status signal of blower fan master controller, and with its storage, are sent in the wind field looped network by communication interface modules.Communication interface modules is connected on the central processing unit, and the communication interface of expanding communication controller makes it to have: the Ethernet interface of wind field looped network, the Ethernet interface of monitor network and with the communication interface of blower fan master controller.
As shown in Figure 3, in this embodiment, it is core that central processing unit adopts microprocessor AT91RM9200 chip.This is the ARM9 technical grade chip of a employing RISC technology, operating frequency 180MHz, and expansion 32MB SDRAM is the program running space, expansion 16MB NOR Flash, 64MB NAND Flash memory are used for program and storage.For with the blower fan control system access network based on ethernet, serial ports, the Ethernet network interface that links to each other with the Industrial Ethernet switch module, CAN interface and jtag interface of linking to each other with serial ports commentaries on classics optic module or the like have also been designed.
AT91RM9200 has independently 16KB instruction and 16KB data cache, Full Featured MMU virtual memory management unit, inner 16KB SDRAM and 128KB ROM, the EBI interface controller (is supported SDRAM, Static Memory, BurstFlash, Glueless Connection to Compact Flash, Smart Media and NAND Flash), the clock and the power source management controller PMC that strengthen, the sheet internal oscillator that has two PLL, 4 programmable external timing signals, comprise regularly and interrupting, house dog, the system timer of second counter, the real-time clock that band is reported to the police and interrupted, have 8 grades of priority, 7 exterior interrupt of advanced interrupt control unit (AIC) and 1 quick interrupt source that can single shielding interrupt source, 4 32 I/O controller, 20 passage peripheral data controllers (PDC or DMA), 1 10M/100M Ethernet controller, 2 USB2.0 principal and subordinate interfaces, 1 USB2.0 equipment interface, 2 multimedia card interface MCI controllers (compatible MultimediaCard and SD Memory Card), 3 synchronous serial interface SSC controllers, 4 universal synchronous/asynchronous serial port port UASRT, 1 master/slave serial device interfaces SPI, 23 passage 16 bit timing counters (PWM/ captures/waveform pattern), 1 two-wire serial interface TWI (holotype), JTAG/ICE.The speed of service is 200MIPS under the 180MHz operating frequency.AT91RM9200 is an ARM chip that function is very powerful, is enough to satisfy the requirement of most of Industry Control to the CPU operational capability, and it be a technical grade chip this also be a major reason selecting it.
AT91RM9200 is built-in jtag test logical circuit, opened interface signal, can carry out the artificial debugging circuit design easily, TDI, TDO are respectively input, the output of test signal, TCK is a test clock signals, provides necessary pull-up resistor to get final product for these test signal lines.
The memory module of central processing unit mainly is made up of NOR Flash, NAND Flash, SDRAM:
NOR Flash memory is that a kind of can to carry out electricity in system erasable, the memory that information is not lost after the power down.Characteristics such as but it has low-power consumption, big capacity, erasable speed fast full wafer or branchs sector in-system programming, wipe have obtained application widely in various embedded systems.Flash commonly used is 8 or 16 s' a data width.This hardware platform is selected the JS28F128 of 16MBflash storage chip INTEL Corp. for use, 16 data width, program voltage is 3.3V, the data width of Flash memory is 16, NRD, NWR0 read-write by AT91RM9200 link to each other with Flash, use NCS0 that sheet choosing, address 0x10000000-0x10FFFFFF are provided.In the present embodiment, Flash 16MB is mainly used to storage system boot Bootloader, kernel, file system.
The inside of AT91RM9200 chip is integrated sdram controller, sdram controller is by providing interface to come the extended chip storage capacity to outside 16 or 32 SDRAM.The 32MB SDRAM that expands in this programme is that the SDRAM chip HY57V281620 by two 16 bit data width is formed in parallel, and operating voltage is 3.3V, and RAS, CAS are capable to be connected respectively to RAS, the CAS of cpu chip with column signal.CLK, WE write enable signal with SDCK clock signal, the SDWE of CPU respectively and link to each other, and use the sheet of AT91RM9200 to select NCS1/SDCS, address 0x20000000-21FFFFFF.In the present embodiment, SDRAM 32MB is the running space of kernel and application program, and more than configuration can be satisfied in the project the memory space needs.
Nand Flash has the advantage that volume is little, capacity is big, access speed is fast.Nand Flash structure can provide high cell density, and the speed that writes and wipe is also very fast, is the optimal selection of the high density of data storage, and the maximum erasable number of times of each piece is 1,000,000 times in the nand flash memory, therefore usually is used for the access of data file.Nand Flash carries out wiping and storing of data because himself structure without address wire, mainly is to cooperate control pair Nand Flash to control by data command.Nand Flash is for different capacity, and its pin is compatible fully, can realize the Nand Flash upgrading of different capabilities.Hardware platform is selected 64MB flash storage chip K9F1208 for use.The data width of FLASH memory is 16, and the reading of chip enables, writes enable signal and link to each other with SMWE, the SOME of AT91RM900, and ALE, CLE, CE use NCS3 that the sheet choosing is provided respectively by A22, A21, PC0 control, and initial address is 0x40000000.In the present embodiment, NANDFlash 64MB expands out and stores data,
FRAM (ferroelectric memory) combines the non-volatile data storage characteristic of ROM and the advantages such as unlimited read-write, high speed read-write and low-power consumption of RAM.FRAM comprises various interface and multiple density, as the serial and the parallel interface of industrial standard, and the encapsulated type of industrial standard, and 4Kbit, 16Kbit, 64Kbit, 256Kbit and 1Mbit isodensity.FRAM provides a kind of performance consistent with RAM, but has the same with ROM non-volatile.FRAM overcomes the defective of above two kinds of memory bodys and merges their advantage, and it is a non-volatile random access holder.FRAM allow the designer faster, more continually with the data write non-volatile memory, and price is lower than EEPROM.Characteristics such as FRAM is erasable and non-volatile fast make the system engineer be incorporated into a ferroelectric memory (FRAM) lining to SRAM and the EEPROM device in the existing design, perhaps expand as SRAM simply.Hardware platform is selected the FM31256 that has 256Kb memory capacity for use, adopts quick two-wire system serial line interface, and SCL, SDA are respectively by PA26, PA25 control.
As shown in Figure 2, the communication interface modules of communication controler is the tie that connects between blower fan control system and the Ethernet, must have Ethernet interface for connecting the wind field looped network, must have the communication interface that matches for connecting the blower fan master controller.Communication interface modules comprises, is connected successively with central processing unit: ethernet interface circuit, Ethernet transformer and switch module.
As shown in Figure 4, ethernet interface circuit mainly is made of physical layer interface and mac controller two large divisions.Because the embedded ethernet controller EMAC of AT91RM9200 has comprised ethernet mac control, only need external a slice physical chip to provide the access passage of Ethernet to get final product.Present embodiment is selected the physical layer interface of DM9161E as Ethernet for use, and the ethernet controller EMAC of AT91RM9200 links to each other with DM9161E by Media Independent Interface MII, passes through network transformer PM44-11BG then, connects the RJ45 interface.Having very much address check modules A ddress Checker, registration statistical module Statistics Register, control Registering modules Control Register, Ethernet receiver module EthernetReceive and Ethernet sending module Ethernet Transmit among the net controller EMAC forms.Wherein, address check modules A ddressChecker, registration statistical module Statistics Register link to each other with advanced peripheral bus APB and control Registering modules Control Register, Ethernet receiver module Ethernet Receive and link to each other with AS bus ASB with Ethernet sending module EthernetTransmit.Physical chip DM9161E has the standard interface of Ethernet 100Base-TX medium, its 100Base-TX interface unit comprises: 100Base-TX Transmit, 100Base-TX Receive and 00Base-TX Tranceiver also have carrier module Carrier sense, adaptation module AutoNegotiation, MII serial line interface MII Serial Management Interface and detection module CollisionDetection.
As shown in Figure 5, the switch module of present embodiment adopts Industrial Ethernet switch flush bonding module IEM608, i.e. Ethernet switching chip, the Ethernet light mouth and the Ethernet interface of expansion switch.The IEM608 chip provides 8 standard ethernet mouths to the user, and all Ethernet interfaces are all supported the standard of three kinds of relevant transmission mediums of Fast Ethernet of formulation, i.e. 10Base-T, 100Base-TX and 100Base-FX standard at present.In the present embodiment, 2 Ethernet light mouths of IEM608 chip expansion and 3 Ethernet network interfaces: two light mouths can be used for setting up the wind field looped network, 3 network interfaces satisfy with the CPU module communication and with basis that blower fan is communicated by letter on can also provide access interface for the center monitoring main website.This interface module is supported SW-Ring looped network redundancy technology, and this technology adopts the dereliction station structure, need not dispose and can realize the Ethernet interface looped network redundancy fast.
In the present embodiment, also by connecting the CAN controller chip, expansion has the CAN interface to central processing unit.The CAN controller chip adopts the MCP2510 chip, MCP2510 is the CAN controllers chip that has the SPI interface that meets industrial standard, it supports CAN technical specification V2.0A/B, and can send and acceptance criteria and information frame expansion, has simultaneously to accept filter and the function of information management.TJA1050 is the high-speed CAN bus transceiver that matches with MCP2510, and it is being undertaken between node and the bus and to receive and task that transmission level is changed.AT91RM9200 is by its spi bus visit CAN controller, and SPCK, MOSI, MISO by CPU link to each other with SCK clock signal, SI input signal, the SO output signal of MCP2510 respectively.PC14, NRST are respectively as interrupt signal and reset signal.Chip selection signal is NPCS0.Two holding wires that come out from CAN output on the CAN terminal through CAN bus transceiver TJA1050.
RS-232 is most widely used a kind of serial line interface in the industry, and it is defined as a kind of single-ended standard that increases communication distance in the low rate serial communication.Serial ports is to communicate most convenient and use more communication interface with PC.In the present embodiment, designed a DEBUG debug serial port, a common three-wire system serial ports and a global functional serial port.Wherein, the DEBUG debug serial port is used for being connected with the hyper terminal of PC, shows the system information of output, is mainly used in system debug; Common three-wire system serial ports communicates with blower fan control system after can changeing optic module through serial ports.
In the present embodiment,, can provide RS-232 to change the scheme of multimode, monomode fiber according to demand for making things convenient for the transmission of RS-232 under the wind energy turbine set mal-condition.The multimode fiber interface can be selected HFBR-2412T and HFBR-1414 for use; The monomode fiber interface can be selected NTR2032I for use.
In the present embodiment, the power supply that communication controler needs has :+5V ,+3.3V ,+1.8V.According to on-the-spot electric power thus supplied, by power transfer module one by one step-down obtain.At first general+12V is by integrated switch power chip LM2596-5.0, obtain+5V voltage supply TJA1050 and relevant ancillary equipment use, the power supply of general+5V obtains the groundwork power supply of 3.3V voltage as whole system through power supply chip SPX1117-3.3 then, and relief 3.3V power supply obtains the core cpu voltage of 1.8V by SPX1117-1.8.
In the present embodiment, the chip that resets adopts FM31256_S, and the 3.3V power supply links to each other with AT91RM9200 chip NRST resetting pin, the function that button resetted when reset circuit can be finished electrification reset and system's operation.This chip also has 256Kb non-volatile ram and real-time clock function simultaneously.
As shown in Figure 6, the connecting interface of the Control on Communication implement body of present embodiment is as described below: the inlet power supply of CPU module connects outside 24V power supply and ground; Serial ports multimode fiber 0 connects the 1.5MW master controller, obtains 1.5MW fan operation data; Serial ports list/multimode fiber 1 is used for wind energy turbine set and sets up the serial ports optical fiber ring network; The DEBUG serial ports connects the serial ports of PC when debugging, do not use in the time of in proper communication.The Industrial Ethernet electricity mouth 3 of communication interface modules connects the ARM module, is used for communicating by letter with central processing element; Industrial Ethernet electricity mouth 4 connects PC or server, is used for remote ethernet communication; The Ethernet interface of the master controller of Ethernet optical fiber port 5 and wind-driven generator links to each other, and obtains the fan operation data; Ethernet optical fiber port 6 and Ethernet optical fiber port 7 are used to set up optical fiber ring network.
Multiple networking mode of the present invention such as Fig. 7~shown in Figure 10:
Referring to Fig. 7, pass through the optical fiber ring network that two-way monomode fiber looped network or two-way multimode fiber looped network or one road single mode and one tunnel multimode constitute between the communication controler.Multimode serial ports optical fiber 0 is used to connect the 1.5MW master controller; List/multimode serial ports optical fiber 1 is used to set up serial ports optical fiber Single-ring network.Note, the communication controler that possesses single mode serial ports optical fiber 1 can only link to each other with the communication controler that possesses monomode fiber serial ports 1 and set up single mode serial ports optical fiber ring network, in like manner, the communication controler that possesses multimode serial ports optical fiber 1 can only link to each other with the communication controler that possesses multimode fiber serial ports 1 and sets up multimode serial ports optical fiber ring network.
Ethernet optical fiber is positioned at switch module, and the Ethernet optical fiber that is used to organize ring is the Ethernet optical fiber 6 and the Ethernet optical fiber 7 of single mode or multimode.When the group ring, note earlier wire jumper being jumped to terminals P 7, and the Ethernet optical fiber 6 of welding optic module and the selection of Ethernet optical fiber 7.If it is improper that the interface of single mode, multimode is selected, will cause the error situation that to form the ether optical fiber ring network.Fig. 8~Figure 10 provides the connection of two ether optical fiber ring networks of composition of 3 kinds of communication controlers: the communication controler of Fig. 8 all adopts two pairs of monomode fiber interface nettings, and the wind energy turbine set looped network is the dicyclo looped network of all being made up of monomode fiber; The communication controler of Fig. 9 all adopts two pairs of multimode fiber interface nettings, and the wind energy turbine set looped network is the dicyclo looped network of all being made up of multimode fiber; The communication controler of Figure 10 mixes employing monomode fiber interface and multimode fiber interface netting, adopt two pairs of identical optical fiber interfaces between adjacent two communication controlers, and between adopt corresponding optical fiber to connect, form the dicyclo looped network that mixes by monomode fiber and multimode fiber.
Communication controler of the present invention can be formed optical fiber too net looped network or optical fiber serial ports looped network, and two kinds of looped networks can both be realized the automatic recovery communication under subnetwork node or the part network segment fault.
As shown in figure 11, for the optical fiber ethernet ring network,, directly adopt the mode of in built-in Linux, transplanting embedded web server and database to realize the Web mode of controller is visited for the supported protocol conversion.Preserve the blower fan data of gathering in the database server, after embedded web server receives solicited message, database server is conducted interviews by CGI.Application program can be developed according to real needs, as with communication control program of blower fan control system etc.Simultaneously can also be by adding the visit that embedded ftp server mode realizes the FTP mode.
By ICP/IP protocol integrated in the linux operating system, simultaneously to the transmission of the two ends of looped network, therefore the network when a certain side of communication controler breaks down each communication controler node when sending data, and data still can be dealt into destination node from opposite side.
The present invention, communication controler selects for use the systems soft ware platform of (SuSE) Linux OS conduct to develop design, in advance on the main frame application program that is about to operate on the communication controler hardware platform is being compiled the code format that generation can move on the ethernet communication controller.And select the u-boot that supports the AT91RM9200 microprocessor Bootloader for use as ethernet communication controller device, the startup stage of being divided into two: the phase I mainly comprises the code of the architecture hardware initialization that depends on CPU, all realizes with assembler language usually; Second stage is finished with the C language usually, so that realize more complicated function, also makes calling program that better readability and portability are arranged.
The present invention adopts embedded ftp server, embedded web server, Socket programming and cgi script design that later stage software is developed and designed.

Claims (10)

1. wind energy turbine set communication system, comprise wind field monitoring central server and some blower fan user terminals, wind field monitoring central server and each blower fan user terminal are furnished with a communication controler respectively, the communication interface of communication controler joins end to end by optical fiber, form looped network, it is characterized in that: described communication controler has two pairs of optical fiber communication interfaces, joins end to end by optical fiber, forms the binary channels optical fiber ring network; Or
Described communication controler has four pairs of optical fiber communication interfaces, joins end to end by optical fiber, forms two-way twin-channel optical fiber ring network.
2. wind energy turbine set communication system according to claim 1; it is characterized in that: described binary channels optical fiber ring network is a kind of of monomode fiber looped network, multimode fiber looped network, single mode multimode hybrid fiber looped network, and the twin-channel communication mode unanimity of optical fiber between adjacent two communication controlers.
3. wind energy turbine set communication system according to claim 1 is characterized in that, described binary channels optical fiber ring network is a plurality of arranged side by side, communicates by letter with monitoring central server by switch.
4. wind energy turbine set communication system according to claim 1 is characterized in that: this system also comprises remote monitoring center, and this remote monitoring center and wind field Surveillance center are furnished with router and switch respectively, forms monitor network, by the internet interactive communication.
5. wind energy turbine set communication system according to claim 4, it is characterized in that: described communication controler is made up of CPU module and communication interface modules, central processing unit is a little process chip, communication interface modules is connected on the central processing unit, the communication interface that is used for the expanding communication controller makes it to have: the Ethernet interface of binary channels optical fiber ring network, the Ethernet interface of monitor network, with the communication interface of blower fan master controller and expansion with serial ports optical fiber ring network interface.
6. wind energy turbine set communication system according to claim 5 is characterized in that: described communication controler has two kinds of communication interfaces with blower fan, is respectively serial ports optical fiber interface and RJ45 Ethernet interface.
7. wind energy turbine set communication system according to claim 5 is characterized in that: described communication interface modules comprises ethernet interface circuit, Ethernet transformer and the switch module that is connected successively with central processing unit; Ethernet interface circuit provides the access passage of Ethernet for central processing unit; The Ethernet transformer inserts passage with above-mentioned Ethernet and converts the RJ45 Ethernet interface to; Switch module is expanded this RJ45 Ethernet interface, makes communication controler have a plurality of Ethernet optical fiber interfaces and RJ45 Ethernet interface.
8. wind energy turbine set communication system according to claim 5 is characterized in that: the serial ports optical fiber interface of described communication controler is the serial ports of central processing unit, and this serial ports directly connects the master controller of blower fan by optical fiber.
9. wind energy turbine set communication system according to claim 5 is characterized in that: also by connecting the CAN controller chip, expansion has the CAN interface to described central processing unit.
10. wind energy turbine set communication system according to claim 5 is characterized in that: described central processing unit expansion has a DEBUG debug serial port, an optical fiber serial ports to be connected with the blower fan master controller, and an optical fiber serial ports can be set up single loop network.
CN2010102551509A 2010-08-14 2010-08-14 Communication system for wind power station CN101964738A (en)

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CN102684943A (en) * 2012-04-18 2012-09-19 北京经纬纺机新技术有限公司 Textile industrial ethernet monitoring system and method thereof
CN102984094A (en) * 2012-12-11 2013-03-20 长沙启源信息技术有限公司 24-port MDU
CN103701654A (en) * 2014-01-07 2014-04-02 深圳市振兴伟业通讯有限公司 Network topological system and control method and device thereof
CN103914053A (en) * 2014-04-18 2014-07-09 天津春辉兴科技有限责任公司 Device and method for controlling distribution trigger cabinet with field bus
CN104269887A (en) * 2014-10-22 2015-01-07 四川东方电气自动控制工程有限公司 Wind field battery testing intelligent distribution method
CN104883221A (en) * 2015-05-28 2015-09-02 株洲变流技术国家工程研究中心有限公司 A test system and a test method for a plurality of power units
CN105223931A (en) * 2015-10-15 2016-01-06 固高科技(深圳)有限公司 Flexible manufacturing system and communication system, communication means
CN105337803A (en) * 2015-11-19 2016-02-17 漳州科华技术有限责任公司 Method for detecting communication wire disaggregation of loop system
CN106230681A (en) * 2016-07-12 2016-12-14 上海交通大学 A kind of communication for Complex Power electronics distributed AC servo system and Tong Bu system
CN110034992A (en) * 2019-04-19 2019-07-19 国电联合动力技术有限公司 The redundancy Internet communication system of Wind turbines

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CN101079782A (en) * 2007-06-27 2007-11-28 四川东方电气自动控制工程有限公司 Wind site communication network using dual loop redundancy
CN101197745A (en) * 2007-12-21 2008-06-11 深圳市三旺通信技术有限公司 Looped network redundancy Ethernet module and method for implementing looped network redundant data transmission

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CN101079782A (en) * 2007-06-27 2007-11-28 四川东方电气自动控制工程有限公司 Wind site communication network using dual loop redundancy
CN101197745A (en) * 2007-12-21 2008-06-11 深圳市三旺通信技术有限公司 Looped network redundancy Ethernet module and method for implementing looped network redundant data transmission

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102684943A (en) * 2012-04-18 2012-09-19 北京经纬纺机新技术有限公司 Textile industrial ethernet monitoring system and method thereof
CN102684943B (en) * 2012-04-18 2015-01-21 经纬软信科技无锡有限公司 Textile industrial ethernet monitoring system and method thereof
CN102984094A (en) * 2012-12-11 2013-03-20 长沙启源信息技术有限公司 24-port MDU
CN103701654A (en) * 2014-01-07 2014-04-02 深圳市振兴伟业通讯有限公司 Network topological system and control method and device thereof
CN103914053A (en) * 2014-04-18 2014-07-09 天津春辉兴科技有限责任公司 Device and method for controlling distribution trigger cabinet with field bus
CN104269887A (en) * 2014-10-22 2015-01-07 四川东方电气自动控制工程有限公司 Wind field battery testing intelligent distribution method
CN104269887B (en) * 2014-10-22 2016-08-24 四川东方电气自动控制工程有限公司 The smart allocation method of wind field battery detecting
CN104883221B (en) * 2015-05-28 2018-02-02 株洲变流技术国家工程研究中心有限公司 A kind of test system and its method of testing for multiple power cells
CN104883221A (en) * 2015-05-28 2015-09-02 株洲变流技术国家工程研究中心有限公司 A test system and a test method for a plurality of power units
CN105223931A (en) * 2015-10-15 2016-01-06 固高科技(深圳)有限公司 Flexible manufacturing system and communication system, communication means
CN105223931B (en) * 2015-10-15 2018-02-09 固高科技(深圳)有限公司 Flexible manufacturing system and its communication system, communication means
CN105337803A (en) * 2015-11-19 2016-02-17 漳州科华技术有限责任公司 Method for detecting communication wire disaggregation of loop system
CN105337803B (en) * 2015-11-19 2018-07-20 漳州科华技术有限责任公司 A kind of loop system connection parallel off detection method
CN106230681A (en) * 2016-07-12 2016-12-14 上海交通大学 A kind of communication for Complex Power electronics distributed AC servo system and Tong Bu system
CN106230681B (en) * 2016-07-12 2018-11-16 上海交通大学 A kind of communication and synchronization system for Complex Power electronics distributed AC servo system
CN110034992A (en) * 2019-04-19 2019-07-19 国电联合动力技术有限公司 The redundancy Internet communication system of Wind turbines

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Application publication date: 20110202