CN106817374A - Wind-driven generator data collecting system and acquisition method based on real-time ethernet - Google Patents
Wind-driven generator data collecting system and acquisition method based on real-time ethernet Download PDFInfo
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- CN106817374A CN106817374A CN201710062813.7A CN201710062813A CN106817374A CN 106817374 A CN106817374 A CN 106817374A CN 201710062813 A CN201710062813 A CN 201710062813A CN 106817374 A CN106817374 A CN 106817374A
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- 238000013500 data storage Methods 0.000 abstract description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
- G05B19/4186—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication by protocol, e.g. MAP, TOP
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/13—File access structures, e.g. distributed indices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The present invention provides a kind of wind-driven generator data collecting system and acquisition method based on real-time ethernet, and the wind-driven generator data collecting system based on real-time ethernet includes：Controller of fan, it would be desirable to which the data of collection are sent to protocol converter by Transmission Control Protocol；Protocol converter, is connected with controller of fan, and the Transmission Control Protocol of controller of fan is converted into real time ethernet protocol, is then sent to data acquisition unit；Data acquisition unit, the data that will be collected preserve into file at a certain time interval；Data server, obtains data file from data acquisition unit；Database, the data file that data storage server is obtained.The real-time of wind-driven generator data collecting system and acquisition method based on real-time ethernet of the invention is good, good stability.
Description
Technical field
The present invention relates to a kind of wind-driven generator data collecting system based on real-time ethernet, the invention further relates to be based on
The wind-driven generator collecting method of real-time ethernet, belongs to industrial control field.
Background technology
At present, wind-driven generator data acquisition mainly has following several ways：
1. wind field SCADA system gathered data is passed through.The frequency of this data acquisition modes is slower, generally second level, by
10 Milliseconds are generally in the execution cycle of wind-driven generator control program, so this data acquisition modes can be omitted largely having
Effect data.
2. exclusive data harvester is passed through.The communication modes of exclusive data harvester are generally：Physical layer is connect using RJ45
The netting twine of head；MAC sublayer in data link layer using CSMA/CD, (visit by CSMA/CD road
Ask technology) agreement；Transport layer uses Transmission Control Protocol.Because the number of devices accessed in wind farm network is more, species is more, network is deposited
The problems such as delay, shake, load imbalance, network environment is complicated, and because Transmission Control Protocol does not possess real-time, TCP associations in itself
The Reliability Assurance mechanism such as the packet loss re-transmission of view, can take substantial amounts of resource, so this data acquisition side in the process of implementation
Formula is it is difficult to ensure that real-time.
The content of the invention
It is an object of the invention to provide a kind of wind-driven generator data collecting system based on real-time ethernet and collection
Method, to solve the above problems.
Present invention employs following technical scheme：
A kind of wind-driven generator data collecting system based on real-time ethernet, it is characterised in that including：Air-blower control
Device, it would be desirable to which the data of collection are sent to protocol converter by Transmission Control Protocol；Protocol converter, is connected with controller of fan,
The Transmission Control Protocol of controller of fan is converted into real time ethernet protocol, data acquisition unit is then sent to；Data acquisition unit, will
The data for collecting preserve into file at a certain time interval；Data server, obtains data file from data acquisition unit；
Database, the data file that data storage server is obtained.
Further, the wind-driven generator data collecting system based on real-time ethernet of the invention, can also have so
Feature：Wherein, controller of fan has Ethernet interface, supports Transmission Control Protocol.
Further, the wind-driven generator data collecting system based on real-time ethernet of the invention, can also have so
Feature：Wherein, controller of fan is directly connected to protocol converter by netting twine.
Further, the wind-driven generator data collecting system based on real-time ethernet of the invention, can also have so
Feature：Wherein, each controller of fan connects a protocol converter.
Further, the wind-driven generator data collecting system based on real-time ethernet of the invention, can also have so
Feature：Wherein, controller of fan sends cycle of data and is not less than execution cycle of air-blower control program.
Further, the wind-driven generator data collecting system based on real-time ethernet of the invention, can also have so
Feature：Wherein, real time ethernet protocol uses POWERLINK agreements.
Further, the wind-driven generator data collecting system based on real-time ethernet of the invention, can also have so
Feature：Wherein, the main website that data acquisition unit communicates as POWERLINK, protocol converter as POWERLINK communicate from
Stand, each protocol converter has unique POWERLINK slave nodes number.
Further, the wind-driven generator data collecting system based on real-time ethernet of the invention, can also have so
Feature：If the communication disruption of data acquisition unit and data server, the data of data acquisition unit Cache Communication Interruption period between The following article.
The present invention is also provided and carries out data using the above-mentioned wind-driven generator data collecting system based on real-time ethernet
The method of collection, it is characterised in that comprise the following steps：
Step one：Controller of fan will need the data of collection to be sent to protocol converter by Transmission Control Protocol；
Step 2：Transmission Control Protocol is converted to real time ethernet protocol by protocol converter, and the data that will be received issue data
Collector；
Step 3：Data acquisition unit carries out data acquisition to blower fan, and the data that will be collected are at a certain time interval
Preserve into file, the main website that data acquisition unit communicates as POWERLINK, the IP address of data acquisition unit configuration protocol converter
And tcp port number；
Step 4：Data server obtains data file by File Transfer Protocol from data acquisition unit, after dissection process, will
Data are stored in database.
Further, the method for data acquisition of the invention, can also have the feature that：Wherein, data acquisition unit is worked as
Network service between data server is interrupted, all data of data acquisition unit meeting buffer network Interruption period between The following article.
The beneficial effect of the invention
Wind-driven generator data collecting system and acquisition method based on real-time ethernet of the invention have advantages below：
Real-time is good, good stability.As a result of the real-time ethernet of POWERLINK agreements, protocol converter and number
Guarantee is accessed according to the real-time and stability that are communicated between collector.Data acquisition is more efficient.
Brief description of the drawings
Fig. 1 is the structural representation of the wind-driven generator data collecting system based on real-time ethernet；
Fig. 2 is the flow chart of the wind-driven generator collecting method based on real-time ethernet.
Specific embodiment
Specific embodiment of the invention is illustrated below in conjunction with accompanying drawing.
As shown in figure 1, the wind-driven generator data collecting system based on real-time ethernet includes：Controller of fan 11, association
View converter 12, data acquisition unit 13, data server 14, database 15.
Controller of fan 11, it would be desirable to which the data of collection are sent to protocol converter by Transmission Control Protocol.Controller of fan 11
It is industrial PLC.Controller of fan 11 has Ethernet interface, supports Transmission Control Protocol.Controller of fan 11 passes through with protocol converter
Netting twine is directly connected to, and each controller of fan 11 connects a protocol converter 12.Controller of fan 11 sends the cycle of data
It is not less than the execution cycle of air-blower control program.
Protocol converter 12, is connected with controller of fan 11, by the Transmission Control Protocol of controller of fan 11 be converted in real time with
Too fidonetFido, is then sent to data acquisition unit 13.Real time ethernet protocol uses POWERLINK agreements.POWERLINK agreements
By eliminating CSMA/CD processes, real-time Communication for Power is realized using polling mode.Protocol converter 12 passes through with controller of fan 11
Transmission Control Protocol is communicated.In order to ensure the real-time of data acquisition, the TCP communication program in controller of fan 11 should be run
Obtain as fast as possible.For example, the execution cycle of air-blower control program in controller of fan 11 is 10 milliseconds, then TCP communication program
The execution cycle cannot be below 10 milliseconds.
Data acquisition unit 13, the data that will be collected preserve into file at a certain time interval.Data acquisition unit 13 with
Protocol converter 12 is connected by POWERLINK lines, constitutes POWERLINK real-time ethernets.POWERLINK herein in real time with
Too net belongs to logical construction, in actual applications, physical layer can use optical-electrical converter, by optical fiber networking, grown away from
From communication.
Data acquisition unit 13 provides FTP Server services, and data server 14 can be by File Transfer Protocol from data acquisition
Data file is obtained on device 13.
Data server 14, data file is obtained from data acquisition unit 13.Data server 14 and data acquisition unit 13
Connected by netting twine.Data server 14 obtains data file by File Transfer Protocol from data acquisition unit 13, after dissection process,
Data are stored in database 15.Data server 14 is obtained by File Transfer Protocol from data acquisition unit 13 at a time interval
Data file, time interval can be configured as needed, such as 1 minute.
Database 15, the data file that data storage server 14 is obtained.
The main website that data acquisition unit 13 communicates as POWERLINK, protocol converter 12 as POWERLINK communicate from
Stand, each protocol converter has unique POWERLINK slave nodes number.Data acquisition unit 13 can be with configuration protocol converter
12 parameter, such as IP address, tcp port number.Protocol converter 12 has toggle switch, for setting POWERLINK slave stations
Website number.Because protocol converter 12 and controller of fan 11 are one-to-one, so the website number of protocol converter 12 can
As the unique identifier of controller of fan 11.
Data acquisition unit 13 has data buffer storage mechanism, if the communication disruption of data acquisition unit 13 and data server 14,
All data of the Cache Communication Interruption period between The following article of data acquisition unit 13.The data cached time can configure, more than the time of configuration,
According to the principle of FIFO, generation time earliest file is deleted.After network service recovers, the data file of caching can be according to
Generation time sequencing is uploaded to data server 14 successively.
As shown in Fig. 2 being comprised the following steps using the method that wind-driven generator data collecting system carries out data acquisition：
Step S1：Controller of fan will need the data of collection to be sent to protocol converter by Transmission Control Protocol；
Step S2：Transmission Control Protocol is converted to real time ethernet protocol by protocol converter, and the data that will be received issue data
Collector；
Step S3：Data acquisition unit carries out data acquisition to blower fan, and the data that will be collected are at a certain time interval
Preserve into file, the main website that data acquisition unit communicates as POWERLINK, the IP address of data acquisition unit configuration protocol converter
And tcp port number；
Step S4：Data server obtains data file by File Transfer Protocol from data acquisition unit, after dissection process, will
Data are stored in database.
In step s3, if the network service between data acquisition unit and data server is interrupted, data acquisition unit can delay
All data during depositing network interruption.
Claims (10)
1. a kind of wind-driven generator data collecting system based on real-time ethernet, it is characterised in that including：
Controller of fan, it would be desirable to which the data of collection are sent to protocol converter by Transmission Control Protocol；
Protocol converter, is connected with the controller of fan, and the Transmission Control Protocol of controller of fan is converted into real-time ethernet association
View, is then sent to data acquisition unit；
Data acquisition unit, the data that will be collected preserve into file at a certain time interval；
Data server, data file is obtained from the data acquisition unit；
Database, stores the data file that the data server is obtained.
2. the wind-driven generator data collecting system of real-time ethernet is based on as claimed in claim 1, it is characterised in that：
Wherein, the controller of fan has Ethernet interface, supports Transmission Control Protocol.
3. the wind-driven generator data collecting system of real-time ethernet is based on as claimed in claim 1, it is characterised in that：
Wherein, the controller of fan is directly connected to the protocol converter by netting twine.
4. the wind-driven generator data collecting system of real-time ethernet is based on as claimed in claim 1, it is characterised in that：
Wherein, each controller of fan connects a protocol converter.
5. the wind-driven generator data collecting system of real-time ethernet is based on as claimed in claim 1, it is characterised in that：
Wherein, the controller of fan sends cycle of data and is not less than execution cycle of air-blower control program.
6. the wind-driven generator data collecting system of real-time ethernet is based on as claimed in claim 1, it is characterised in that：
Wherein, the real time ethernet protocol uses POWERLINK agreements.
7. the wind-driven generator data collecting system of real-time ethernet is based on as claimed in claim 6, it is characterised in that：
Wherein, the main website that the data acquisition unit communicates as POWERLINK, the protocol converter is logical as POWERLINK
The slave station of letter, each protocol converter has unique POWERLINK slave nodes number.
8. the wind-driven generator data collecting system of real-time ethernet is based on as claimed in claim 1, it is characterised in that：
If the communication disruption of data acquisition unit and data server, the data of data acquisition unit Cache Communication Interruption period between The following article.
9. the side of data acquisition is carried out using the wind-driven generator data collecting system as described in any one in claim 1-8
Method, it is characterised in that comprise the following steps：
Step one：Controller of fan will need the data of collection to be sent to protocol converter by Transmission Control Protocol；
Step 2：Transmission Control Protocol is converted to real time ethernet protocol by protocol converter, and the data that will be received issue data acquisition
Device；
Step 3：Data acquisition unit carries out data acquisition to blower fan, and the data that will be collected are preserved at a certain time interval
Into the main website that file, data acquisition unit communicate as POWERLINK, the IP address of data acquisition unit configuration protocol converter and
Tcp port number；
Step 4：Data server obtains data file by File Transfer Protocol from data acquisition unit, after dissection process, by data
It is stored in database.
10. collecting method as claimed in claim 9, it is characterised in that：
Wherein, if the network service between data acquisition unit and data server is interrupted, data acquisition unit can buffer network interruption
All data of period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710062813.7A CN106817374A (en) | 2017-01-25 | 2017-01-25 | Wind-driven generator data collecting system and acquisition method based on real-time ethernet |
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| CN201710062813.7A CN106817374A (en) | 2017-01-25 | 2017-01-25 | Wind-driven generator data collecting system and acquisition method based on real-time ethernet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107508874A (en) * | 2017-08-15 | 2017-12-22 | 四川东方电气自动控制工程有限公司 | A kind of automatic continuous acquisition method of blower fan main operation controller data |
| CN108051071A (en) * | 2017-12-07 | 2018-05-18 | 国网河南省电力公司电力科学研究院 | Distribution type fiber-optic vibration detecting device based on indoor OPGW |
| CN110594097A (en) * | 2019-09-10 | 2019-12-20 | 许昌许继风电科技有限公司 | Control method and control system of wind turbine generator |
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| CN102237718A (en) * | 2010-04-23 | 2011-11-09 | 巴赫曼有限公司 | Method and device of operating wind power electric field power network with improved data transmission protocol |
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2017
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| CN102237718A (en) * | 2010-04-23 | 2011-11-09 | 巴赫曼有限公司 | Method and device of operating wind power electric field power network with improved data transmission protocol |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107508874A (en) * | 2017-08-15 | 2017-12-22 | 四川东方电气自动控制工程有限公司 | A kind of automatic continuous acquisition method of blower fan main operation controller data |
| CN108051071A (en) * | 2017-12-07 | 2018-05-18 | 国网河南省电力公司电力科学研究院 | Distribution type fiber-optic vibration detecting device based on indoor OPGW |
| CN110594097A (en) * | 2019-09-10 | 2019-12-20 | 许昌许继风电科技有限公司 | Control method and control system of wind turbine generator |
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