CN109544896A - A kind of converged communication architectural framework of photovoltaic module distributed monitoring system - Google Patents
A kind of converged communication architectural framework of photovoltaic module distributed monitoring system Download PDFInfo
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- CN109544896A CN109544896A CN201811308179.1A CN201811308179A CN109544896A CN 109544896 A CN109544896 A CN 109544896A CN 201811308179 A CN201811308179 A CN 201811308179A CN 109544896 A CN109544896 A CN 109544896A
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- G—PHYSICS
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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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Abstract
The invention discloses the converged communication architectural frameworks of photovoltaic module distributed monitoring system, the topological structure of the converged communication system of the monitoring system is distributed tree structure, the converged communication architectural framework of the monitoring system includes: administrative center, DC power distribution cabinet monitoring modular, header box monitoring modular and component tandem monitoring modular, wherein component tandem monitoring modular is divided into master component monitoring modular and from assemblies monitor module, it establishes a communications link from assemblies monitor module by DC wire carrier communication mode and master component monitoring modular, master component monitoring modular is established a communications link with header box monitoring modular by 433MHz wireless communication networks；Header box monitoring modular is established a communications link with DC power distribution cabinet monitoring modular by ZigBee wireless self-networking；DC power distribution cabinet monitoring modular and management center module are established a communications link by fiber optic Ethernet.
Description
Technical field
The present invention relates to the fields of communication technology of photovoltaic module distributed monitoring system, are distributed more particularly to photovoltaic module
The converged communication architectural framework of formula monitoring system.
Background technique
In recent years, photovoltaic power generation industry in China's steps into Rapid development stage, the scale of photovoltaic plant forward direction and enlargement hair
Exhibition, several MW class grid-connected photovoltaic power stations are run on Qinghai, Gansu, Ningxia and other places in succession.By the end of the year 2015, China's photovoltaic hair
Denso machine alreadys exceed Germany, becomes photovoltaic in the world and adds up the maximum country of installed capacity.
Currently, more and more photovoltaic plants bring component in the condition monitoring system of power station into.As photovoltaic module point
The key link that monitoring data two-way interactive is realized in cloth monitoring system, is monitored the topological structure of system largely
Determine the structure of communication network system.Due to distinct device in photovoltaic module laying scale, running environment, installation site with
And application demand is different, the configuration of communication mode is also relatively more flexible.In traditional photovoltaic module management and monitoring system
In, it is general only wirelessly with the wired communication modes such as with the Internet converged of the Internet converged or RS485, means of communication is single,
It is lower to the fusion degree of heterogeneous network, it is difficult to adapt to the continuous extension and ever-increasing business of photovoltaic power station power generation scale
Demand.
Therefore, it is desirable to have a kind of converged communication architectural framework of photovoltaic module distributed monitoring system to solve the prior art
The communication mode of more, the existing monitoring systems in middle photovoltaic module distributed monitoring system monitoring point falls behind single status.
Summary of the invention
The purpose of the present invention is to provide a kind of converged communication system framves for being suitable for photovoltaic module distributed monitoring system
Structure, for solve as photovoltaic module monitoring objective point enormous amount, existing communication mode fall behind it is single caused by monitor system
The problem of inefficiency.
The invention discloses a kind of converged communication architectural framework of photovoltaic module distributed monitoring system, the monitoring system
The topological structure of converged communication system be distributed tree structure, the converged communication architectural framework of the monitoring system includes:
Assemblies monitor module, header box monitoring modular, DC power distribution cabinet monitoring modular and administrative center；Assemblies monitor module passes through
433MHz wireless communication networks establish a communications link with header box monitoring modular；Header box monitoring modular is by ZigBee wirelessly from group
Net establishes a communications link with DC power distribution cabinet monitoring modular；DC power distribution cabinet monitoring modular passes through fiber optic Ethernet and administrative center
It establishes a communications link.
Preferably, each assemblies monitor module includes 1 master component monitoring modular and multiple from assemblies monitor module,
Master component carries out information exchange using 433MHz communication and the header box monitoring modular, master component monitoring modular with
Information exchange is carried out from assemblies monitor module using the coupling circuit of carrier signal, using DC wire carrier communication mode.
Preferably, the header box monitoring modular is responsible for receiving the DC power distribution cabinet monitoring modular forwarding from the pipe
The test command at reason center, Xiang Suoshu master component monitoring modular transmitted test order, and receive the master component monitoring modular
Test result data, and then transmitted test result data is uploaded to the DC power distribution cabinet monitoring modular, and matches through the direct current
Electric cabinet monitoring modular is uploaded to the administrative center.
Preferably, the DC power distribution cabinet monitoring modular is responsible for receiving the test command that the administrative center sends, to institute
Header box monitoring modular transmitted test order is stated, and receives monitoring from the master component for the header box monitoring modular forwarding
The test result data of module, and then forward and be uploaded to the administrative center.
Preferably, the administrative center is responsible for test command transmission, test result receives, and the administrative center passes through ether
The transmission of net, the DC power distribution cabinet monitoring modular, the transmission of the ZigBee wireless self-networking, the header box monitor mould
Photovoltaic module is transported in block, the transmission of the 433MHz wireless communication networks, the assemblies monitor module and DC wire carrier communication
Row parameter testing, test result is saved into system database, is carried out intellectual analysis to assembly operating state and is carried out component
Operating status is shown.
The converged communication architectural framework of photovoltaic module distributed monitoring system disclosed by the invention has the advantages that
1. using DC wire carrier communication between the large number of photovoltaic module monitoring modular in monitoring point, scene
High reliablity without new wiring and data transmission；It is adopted between the master component monitoring modular and confluence tank module of photovoltaic module
With 433MHz wireless communication technique, and mature finished product module is selected, frequency range is open, development cost is low and cheap；It is converging
It flows and uses the 2.4GHz ZigBee wireless self-organization network communication technology between tank module and DC cabinet module, not only frequency range is open
And networking is more flexible, it then follows IEEE 802.15.4 standard, and select mature finished product module, it is easy to accomplish with optical fiber with
The conversion of TCP/IP transport protocol too between net.
2. having merged DC wire carrier communication, 433MHz wireless communication, the communication of ZigBee wireless self-organization network and light
Three kinds of fine Ethernet different transmission mediums, four kinds of communication technologys.Given full play to DC wire carrier communication without new wiring,
The high superiority of data transmission credibility.Wireless communication technique does not have to be laid with dedicated communication line, and networking flexibility selects low function
Consumption, open, free radio band have mature finished circuit module；Especially ZigBee wireless self-organization network communicates
Inserting knot flexibly, broad covered area, be easy to the extension of network size, the TCP/IP being easily achieved between fiber optic Ethernet transmission
The superiority such as the conversion of agreement.Make full use of transmission reliability in photovoltaic module is high, widely used enterprises optical fiber with
Too net resource.
Detailed description of the invention
Fig. 1 is the converged communication network overall network architecture schematic diagram of photovoltaic module of the invention.
Fig. 2 is the converged communication architectural framework schematic diagram of photovoltaic module of the invention.
Fig. 3 is the parameter testing of the invention from assemblies monitor module and DC wire carrier communication schematic diagram.
Fig. 4 is that 433MHz wireless communication is shown with merging for DC wire carrier communication in master component monitoring modular of the invention
It is intended to.
Fig. 5 is that ZigBee wireless self-networking and 433MHz wireless communication networks merge in header box monitoring modular of the invention
Schematic diagram.
Fig. 6 is that the converged communication of Ethernet and ZigBee wireless self-networking in DC power distribution cabinet monitoring modular of the invention shows
It is intended to.
Fig. 7 is the hierarchical structure schematic diagram of Ethernet in administrative center of the invention.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The converged communication system overall network architecture of photovoltaic module distributed monitoring system is as shown in Fig. 1.The system packet
Include: (PVSM, abbreviation assembly module, PVSM1 are main assemblies monitor module to photovoltaic module monitoring modular, and PVSM2 is from assemblies monitor
Module), header box monitoring modular (referred to as confluence tank module), DC power distribution cabinet monitoring modular (abbreviation DC cabinet module) and management
Typical distributed tree structure is presented in center, the system topological.
Target element enormous amount, the single backwardness of existing monitoring system communication mode that need to be detected due to photovoltaic module, because
This present invention devises the communication system framework of multi-communication mode fusion as shown in Fig. 2.Wherein, master component monitoring modular is logical
Crossing DC wire carrier communication can establish a communications link with other in this tandem from assemblies monitor module；Confluence tank module passes through
The master component monitoring modular of 433MHz wireless communication networks and component establishes a communications link；DC cabinet module is wireless certainly by ZigBee
Networking establishes a communications link with confluence tank module；The fiber optic Ethernet and DC power distribution cabinet module that administrative center passes through enterprises
It establishes a communications link.
Monitoring and DC wire carrier communication from assemblies monitor module to photovoltaic module: it is responsible for connecing from assemblies monitor module
The carrier test order sent by master component monitoring modular is received, the operating parameter of this component is tested by Acquisition Circuit, and will survey
Test result data are reported to master component monitoring modular, are reported to confluence tank module by master component monitoring modular, and through header box mould
Block is uploaded to DC cabinet module so that administrative center.DC wire is used between assemblies monitor module and master component monitoring modular
Carrier communication mode.
The test to this assembly operating parameter completed from assemblies monitor module, and it is straight between master component monitoring modular
Conductance line carrier communication, possessed hierarchical structure and function are as shown in Fig. 7.
In attached drawing 3, from master component monitoring modular to the carrier commands sent from assemblies monitor module, mould is monitored through master component
The carrier-wave transmission of block and DC wire carrier communication coupling circuit and the photovoltaic module passed through from assemblies monitor intermodule,
By being received from assemblies monitor module.Circuit is received from the coupling circuit in assemblies monitor module to complete to believe direct current single conductor carrier wave
Number reception, one of the carrier signal demodulation mode through one of optional BASK, BPSK, BASK+ spread spectrum and BPSK+ spread spectrum is complete
After the demodulation of carrier signal, amplification filtering and level translation, CPU passes through common I/O interface to carrier commands data.
After CPU receives the carrier commands that master component monitoring modular is sent, this component is acquired by corresponding Acquisition Circuit
Voltage, electric current, temperature and water logging operating parameter, and form carrier wave reported data, through level translation, optional BASK, BPSK,
One of BASK+ spread spectrum and the carrier signal modulation mode of one of BPSK+ spread spectrum are completed the modulation of DC wire carrier signal and are put
After big filtering, then coupled circuit transmitting line and the slave photovoltaic module progress DC wire carrier wave for passing through DC wire and process
Communication, brewed carrier signal, the transmission through DC wire carrier communication are received by master component monitoring modular.
The carrier commands sent from assemblies monitor module by above-mentioned reception master component monitoring modular, are surveyed by Acquisition Circuit
The operating parameter of this component is tried, and test result data is reported to master component monitoring modular by DC wire carrier communication,
The hierarchical structure and function lived through realizes the test to this assembly operating parameter, and between master component monitoring modular
The DC wire carrier communication of progress.
Master component monitoring modular 433MHz wireless communication is merged with DC wire carrier communication: the master component in component
Monitoring modular be responsible for receiving by header box module forwards Lai test command, slave assemblies monitor module difference into affiliated component
Carrier test order is seriatim sent, and receives the test result data from assemblies monitor module, by their test result number
After all collecting, confluence tank module is uploaded to plus the test result data of this component, and the tank module that converged is uploaded to
DC cabinet module is so that administrative center.433MHz communication is used between master component monitoring modular and confluence tank module,
With between assemblies monitor module use DC wire carrier communication mode.
The converged communication of 433MHz wireless communication and the carrier communication of direct current single conductor that master component monitoring modular is completed, is had
Some hierarchical structures and function are as shown in Fig. 4.
In figure 4, from the test command of administrative center, the forwarding through DC cabinet module and confluence tank module simultaneously passes through
433MHz wireless communication networks are sent to master component monitoring modular.Si4463 433MHz wireless communication in master component monitoring modular
Radio circuit in module completes the reception to radio magnetic wave signal, demodulates through optional OOK, ASK, FSK, 4FSK and MSK
One of mode after the demodulation for completing the radiofrequency signal of 433MHz, obtains test command data through SPI interface and is sent to CPU.CPU connects
After receiving the test command, carrier commands are seriatim sent to other assemblies monitor modules respectively by SPI interface, are become through level
Change, optional modulation system BASK, BPSK, BASK+ spread spectrum and BPSK+ spread spectrum one of carrier signal modulation and amplification filtering,
Coupled circuit transmitting line and DC wire carrier communication is carried out by the slave photovoltaic module of DC wire and process again, carried
There is the brewed carrier signal of carrier commands through the transmission of DC wire carrier communication, by the slave assemblies monitor mould in this component
Block is received.By the above process, by converge tank module by 433MHz wireless communication networks forward come test command, by main group
Part monitoring modular receives, and passes through the transmission of DC wire carrier communication by master component monitoring modular, to slave group of affiliated component
Part monitoring modular issues carrier commands.
And carrier wave reported data is sent by the slave assemblies monitor module of affiliated component, pass through the biography of DC wire carrier communication
It is defeated, (carrier wave receiving frame is called in master component monitoring modular) is received by master component monitoring modular.In master component monitoring modular
Coupling circuit receive reception of the circuit completion to carrier signal, spread it through optional BASK, BPSK, BASK+ spread spectrum and BPSK+
One of one carrier signal demodulation mode, after the demodulation, amplification filtering and level translation of completing DC wire carrier signal, CPU
Data are received by common I/O interface to carrier wave.It is sent when all in this neat component of CPU reception from assemblies monitor module
Carrier wave reported data after, the Acquisition Circuit of master component monitoring modular acquire the voltage of this component, electric current, temperature and water logging ginseng
The parameter that master component acquires and the acquisition parameter sent from assemblies monitor module are formed wireless reported data by number, CPU, are led to
Cross SPI interface and be sent to Si4463 433MHz wireless communication module, 433MHz wireless communication module through optional OOK, ASK,
One of FSK, 4FSK and MSK modulation system, completes the modulation of the radiofrequency signal of 433MHz, and the radio circuit in Si4463 module is complete
The transmitting of pairs of radio magnetic wave signal.By the above process, master component monitoring modular seriatim receives affiliated from component respectively
The carrier wave reported data of monitoring modular is sent out by the voltage of this component, electric current, temperature and water logging parameter and from assemblies monitor module
After the parameter sent is formed together wireless reported data, sent by 433MHz wireless communication networks to confluence tank module.
It should be noted that if master component monitoring modular forwards carrier commands equal to affiliated from assemblies monitor module n times
Unsuccessful, then master component monitoring modular is by the voltage of the component, electric current, temperature and water logging parameter zero setting, and passes through and wirelessly report
Frame is reported to confluence tank module, and the forwarding through DC cabinet module, is finally transferred to administrative center.
Master component monitoring modular passes through the test commands of above-mentioned reception header box module forwards, and slave group to this component
Part monitoring modular sends carrier test order one by one, receives the test result data reported from assemblies monitor module, and by this group
All test result datas of part are reported to confluence tank module, the hierarchical structure and function lived through, realize and transport to component
The test of row parameter, and test result data is reported and 433MHz wireless communication is melted with direct current single conductor carrier communication
Hop communication.
Confluence tank module ZigBee wireless self-networking is merged with what 433MHz was wirelessly communicated: confluence tank module is responsible for receiving straight
Test command of the power distribution cabinet module forwards from administrative center is flowed, to affiliated assemblies monitor module forwards test command, and is received
The test result data of assemblies monitor module, the test result data of forwarding are uploaded to DC cabinet module, and through DC cabinet module
It is uploaded to administrative center.ZigBee wireless self-networking communication mode is used between tank module and the DC cabinet module of converging, and it is affiliated
433MHz communication is used between assemblies monitor module.
Converge the ZigBee wireless self-networking of tank module completion and the converged communication of 433MHz wireless communication networks, possessed
Hierarchical structure and function are as shown in Fig. 5.
In figure 5, from the test command of administrative center, through DC cabinet module forwards and by ZigBee wirelessly from group
Net is sent to confluence tank module.DRF1605H Zigbee wireless self-networking module in confluence tank module, completes ZigBee radio frequency
The radiofrequency signal demodulation of reception of the circuit to radio magnetic wave signal, O-QPSK or O-QPSK+ spread spectrum and Zigbee data frame
Partition, obtain test command data through serial line interface and be sent to CPU.It, will by SPI interface after CPU receives the test command
The test command is transmitted to Si4463 433MHz wireless communication module, Si4463 module by optional OOK, ASK, FSK,
One of 4FSK and MSK modulation system is completed the modulation of the radiofrequency signal of 433MHz, and is completed by 433MHz radio circuit to nothing
The transmitting of line electromagnetic wave signal carries the radio magnetic wave signal of test command data through the biography of 433MHz wireless communication networks
It send, is received by the master component monitoring modular of component.By the above process, DC cabinet module is passed through into ZigBee wireless self-networking
The test command that forwarding comes, is received by confluence tank module, and is supervised by 433MHz wireless communication networks to the master component of affiliated component
Module forwards are surveyed to go out.
And the wireless reported data sent by the master component monitoring modular of affiliated component, pass through 433MHz wireless communication networks
Transmission is received by confluence tank module and (is known as receiving frame in confluence tank module).Si4463 433MHz in confluence tank module is wireless
Radio circuit in communication module completes the reception to radio magnetic wave signal, through optional OOK, ASK, FSK, 4FSK and MSK
One of demodulation mode, after the demodulation for completing the radiofrequency signal of 433MHz, Si4463 module passes through SPI interface for received 433MHz
Data transmission is received to CPU.After CPU receives the reception data, by voltage to component, current acquisition and power is calculated
The numerical value of voltage, electric current and power is added in reception data and is formed by (or voltage, electric current and power of computation module)
Zigbee uploads data, gives the upload data transmission to DRF1605H Zigbee wireless self-networking mould by serial line interface by CPU
Block, by the formation of DRF1605H module completion Zigbee data, the modulation of the radiofrequency signal of O-QPSK or O-QPSK+ spread spectrum, with
And transmitting of the ZigBee radio circuit to radio magnetic wave signal.By the above process, the tank module that converges is by the master of affiliated component
Assemblies monitor module, the wireless reported data sent by 433MHz wireless communication networks, add the voltage, electric current and power of component
And after forming upload data, gone out by ZigBee wireless self-networking to DC cabinet module forwards.
It should be noted that if confluence main monitoring modular n times transmitted test order from tank module to affiliated component not at
Function, then the test crash data that the tank module that converges is sent to DC cabinet module.
The tank module that converges passes through above-mentioned test command forwarding, reception test result data and will be in test result data
Pass, the hierarchical structure and function lived through, realize ZigBee wireless self-networking with
The converged communication of 433MHz wireless communication networks.
Fiber optic Ethernet and ZigBee wireless self-networking merge in DC power distribution cabinet module monitors module: DC power distribution cabinet
Monitoring modular is connected by Ethernet switch and in-company Ethernet, is responsible for receiving the test life that administrative center sends
It enables, to affiliated header box module forwards test command, and receives header box module forwards from photovoltaic module component monitoring modular
Test result data, the test result data of forwarding is uploaded to administrative center.It is used between DC cabinet module and administrative center
ZigBee wireless self-networking communication mode is used between ethernet communication mode, with affiliated confluence tank module.
DC cabinet module complete Ethernet and ZigBee wireless self-networking converged communication, possessed hierarchical structure and
Function is as shown in Fig. 6.
In figure 6, administrative center is ordered by the test that the fiber optic Ethernet of enterprises is sent to DC cabinet module
It enables, is to send each DC cabinet module to by Ethernet switch.And using TCP/IP in Ethernet transmission
Agreement has carried out the encapsulation of TCP/IP and Ethernet data bag to test command.Therefore, by the W5500 in DC cabinet module
100M ethernet communication module completes the functions such as carrier sense, the line decoding of ethernet physical layer, completes TCP/IP and ether
The work of unpacking of network data packet is removed the stem of Ethernet, IP stem, TCP stem and Ethernet tail portion, W5500 only will
Test command data send CPU to by SPI interface.After CPU receives the test command, which is forwarded by serial line interface
Order sends DRF1605H Zigbee wireless self-networking module to, completes following function: 1) Zigbee number by DRF1605H module
According to the formation of packet；2) rf-signal modulation of O-QPSK or O-QPSK+ spread spectrum；3) ZigBee radio circuit believes radio magnetic wave
Number transmitting.By the above process, the test command that administrative center is sent by the fiber optic Ethernet of enterprises, by direct current
Cabinet module receives and passes through ZigBee wireless self-networking and goes out to header box module forwards.
And upload/test crash the data for the test result sent by confluence tank module by ZigBee wireless self-networking,
It is received by DC cabinet module.DRF1605H module in DC cabinet module completes ZigBee radio circuit to radio magnetic wave signal
Reception, O-QPSK or O-QPSK+ spread spectrum radiofrequency signal demodulation and Zigbee data packet analysis, obtain reception/test
Miss data is transferred to CPU by serial line interface.After CPU receives the reception/test crash data, as upper
Biography/test crash data forward it to W5500 100M ethernet communication module by SPI interface, by W5500100M ether
Network Communication module completes the packing of TCP/IP and Ethernet data bag, i.e., the head of Ethernet is added on the basis of receiving data
The functions such as portion, IP stem, TCP stem and Ethernet tail portion, then the carrier sense through ethernet physical layer, line coding, will take
For data with test result in the form of TCP/IP and Ethernet data bag, the fiber optic Ethernet through enterprises sends pipe to
Reason center.By the above process, DC cabinet module is by the test knot that is sent by ZigBee wireless self-networking of tank module that converges
The upload data of fruit, are forwarded by the fiber optic Ethernet of enterprises to administrative center.
It should be noted that if DC cabinet module is unsuccessful to affiliated confluence tank module n times transmitted test order,
DC cabinet module sends test crash data to administrative center.
DC power distribution cabinet module by above-mentioned test command forwarding, receive test result data and by test result data
It uploads, the hierarchical structure and function lived through realizes the converged communication of fiber optic Ethernet Yu ZigBee wireless self-networking.
Hierarchical structure of the administrative center to Ethernet: administrative center by Ethernet switch and in-company optical fiber with
Too net is connected, and is responsible for issuing test command, the test knot of receiving unit monitoring modular to the monitoring modular of tested photovoltaic module
Fruit data.The hierarchical structure of administrative center to ethernet communication is as shown in Fig. 7.
Administrative center is the server for being equipped with Ethernet card and database.The server program of administrative center issues
Test command data, the processing of the IEEE802.2/802.3TCP/IP and Ethernet protocol of resident, will count in Ethernet card
The packing of TCP/IP and Ethernet data bag is carried out according to packet format, and test command is sent out through Ethernet to DC cabinet module
It goes.
By the test result data from photovoltaic module monitoring modular of DC cabinet module forwards, or the tank module that converges/
The test crash data that DC cabinet module is sent, the transmission through Ethernet are received by the Ethernet card in administrative center.Ethernet
Card completes the functions such as carrier sense, the line decoding of ethernet physical layer, the IEEE802.2/ of resident in Ethernet card
Data packet format is carried out unpacking for TCP/IP and Ethernet data bag, is formed by the processing of 802.3TCP/IP and Ethernet protocol
Test result receiving frame or test crash frame data format.
Administrative center sends by above-mentioned test command, receives the reception or test crash data of test result, is passed through
The hierarchical structure and function gone through, and pass through the transmission of Ethernet, DC cabinet module, the transmission of ZigBee wireless self-networking, remittance
Tank module, the transmission of 433MHz wireless communication networks, assemblies monitor module and direct current single conductor carrier communication are flowed, is realized to photovoltaic
The test of assembly operating parameter, and the data are stored to database, in case administrative center carries out photovoltaic module operating status
Intellectual analysis and state are shown.
Finally it is noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, the essence for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Mind and range.
Claims (5)
1. a kind of converged communication architectural framework of photovoltaic module distributed monitoring system, which is characterized in that the monitoring system
The topological structure of converged communication system is distributed tree structure, and the converged communication architectural framework of the monitoring system includes: group
Part monitoring modular, header box monitoring modular, DC power distribution cabinet monitoring modular and administrative center；Assemblies monitor module passes through 433MHz
Wireless communication networks establish a communications link with header box monitoring modular；Header box monitoring modular is by ZigBee wireless self-networking and directly
Stream power distribution cabinet monitoring modular establishes a communications link；DC power distribution cabinet monitoring modular is established logical by fiber optic Ethernet and administrative center
Letter connection.
2. the converged communication architectural framework of photovoltaic module distributed monitoring system according to claim 1, it is characterised in that:
The assemblies monitor module includes 1 master component monitoring modular and multiple from assemblies monitor module, master component monitoring modular with from
Assemblies monitor module carries out information exchange using DC wire carrier communication mode, and master component monitoring modular is wireless using 433MHz
Communication mode and the header box monitoring modular carry out information exchange.
3. the converged communication architectural framework of photovoltaic module distributed monitoring system according to claim 2, it is characterised in that:
The header box monitoring modular is established a communications link by ZigBee wireless self-networking and the DC power distribution cabinet monitoring modular, is born
Duty receives the test command from the administrative center of the DC power distribution cabinet monitoring modular forwarding, the monitoring of Xiang Suoshu master component
Module forwards test command, and the test result data that the master component monitoring modular is collected is received, the header box monitors mould
The test result data of forwarding is uploaded to the DC power distribution cabinet monitoring modular by block, and through the DC power distribution cabinet monitoring modular
It is uploaded to the administrative center.
4. the converged communication architectural framework of photovoltaic module distributed monitoring system according to claim 3, it is characterised in that:
The DC power distribution cabinet monitoring modular is established a communications link by fiber optic Ethernet and the administrative center, is responsible for receiving the pipe
The test command that reason center is sent, Xiang Suoshu header box monitoring modular transmitted test order, and receive the header box monitoring mould
The test result data from the master component monitoring modular of block forwarding, forwarding are uploaded to the administrative center.
5. the converged communication architectural framework of photovoltaic module distributed monitoring system according to claim 4, it is characterised in that:
The transmission of test command and the receiving of test result, institute are carried out between the administrative center and the DC power distribution cabinet monitoring modular
It states administrative center to save test result into system database, assembly operating state is analyzed and shown.
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