CN107749829A - A kind of Wind turbines state information transmission method of adaptive bandwidth - Google Patents
A kind of Wind turbines state information transmission method of adaptive bandwidth Download PDFInfo
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- CN107749829A CN107749829A CN201710931070.2A CN201710931070A CN107749829A CN 107749829 A CN107749829 A CN 107749829A CN 201710931070 A CN201710931070 A CN 201710931070A CN 107749829 A CN107749829 A CN 107749829A
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- wind turbines
- transmission method
- state information
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 7
- 238000012546 transfer Methods 0.000 claims abstract description 4
- 230000000153 supplemental effect Effects 0.000 claims description 6
- 230000010358 mechanical oscillation Effects 0.000 claims description 5
- 230000001133 acceleration Effects 0.000 claims description 4
- 230000002123 temporal effect Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
- H04L47/52—Queue scheduling by attributing bandwidth to queues
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention provides a kind of Wind turbines state information transmission method of adaptive bandwidth, information transfer is carried out using finite bandwidth status information form, in the good situation of bandwidth situation, the finite bandwidth status information form used includes destination object header data, essential information data, real time data three parts；In the bad situation of bandwidth situation, the finite bandwidth status information form used includes destination object header data, essential information data two parts；To cause the transmission situation of Wind turbines status information data with bandwidth situation automatic adjusument, to avoid network congestion, ensure the unobstructed and reliability service of whole network.
Description
Technical field
The present invention relates to technical field of data transmission, especially, is related to a kind of Wind turbines state letter of adaptive bandwidth
Cease transmission method.
Background technology
SCADA (Supervisory Control And Data Acquisition, data acquisition control with monitoring) system
System is computer-based DCS and power automation monitoring system, and its application field is very wide, can apply to electric power, smelting
The data acquisition in the fields such as gold, oil, chemical industry, combustion gas, railway is with monitoring the numerous areas such as control and process control.In electric power
In system, SCADA system is most widely used, and technology development is also the most ripe.It accounts for critical role in telecontrol system, can be with
The operational outfit at scene is monitored and controlled, to realize data acquisition, equipment control, measurement, parameter regulation and all kinds of
The various functions such as signal alarm, RTU (remote-terminal unit), FTU (ca bin) are its important components.
Communication in SCADA system is divided into intercommunication, communicated with I/O equipment communications and the external world.Client and server
Between and server and server between typically have three kinds of communication forms：On-demand, subscribe to formula and broadcast type.Device driver with
I/O device talks typically use on-demand.
Wind power plant SCADA system typically more uses annular and tree-like networking structure, realizes the Centralized Monitoring inside wind power plant
And data transfer, therefore network bandwidth is the resource that very finite sum is valuable.Prior art is passed using fixed interface agreement
It is defeated, it is impossible to which that according to bandwidth situation, docking port agreement is adjusted, and easily forms network congestion, is unfavorable for the unobstructed of whole network
And reliability service.
The content of the invention
Present invention aims at a kind of Wind turbines state information transmission method of adaptive bandwidth is provided, to solve at present
The technical problem that the data content and data volume size that can not be transmitted according to bandwidth situation, docking port agreement are adjusted.
To achieve the above object, the invention provides a kind of Wind turbines state information transmission method of adaptive bandwidth,
Information transfer is carried out using finite bandwidth status information form, in bandwidth rates more than the limited band in the case of 5K/S, used
Wide status information form includes destination object header data, essential information data, real time data three parts；It is less than in bandwidth rates
5K/S situation, the finite bandwidth status information form used include destination object header data, essential information data two parts；
The destination object header data includes device type, transmission mode, the data of Transmission Time Interval, the equipment
Categorical data shows data source, and the transmission mode as shown by data is according to data structure used by current bandwidth, the biography
Transmission Time Interval used by defeated time interval shows according to current bandwidth；
The essential information data include mechanical oscillation temporal signatures value, electric characteristic value and efficiency characteristic value；
The real time data includes at least one parameter sensing, and the parameter sensing includes sensor type, port number, adopted
Collect time interval, gathered data number and supplemental characteristic content.
Preferably, the mechanical oscillation temporal signatures value includes RMS, peak value, set-back coefficient and crest factor.
Preferably, the electric characteristic value includes magnitude of voltage and current value.
Preferably, the sensor type is any one in acceleration, temperature, flow, pressure, voltage, electric current.
Preferably, the supplemental characteristic is that 4B stores a parameter value, and collection is once one group, and supplemental characteristic leads to by 1 to N
Road sequential storage.
Preferably, the Transmission Time Interval is 1 millisecond to 65 seconds.
The invention has the advantages that：
The data content and data volume size that the present invention is transmitted according to bandwidth situation, docking port agreement are adjusted；And
New protocol data information form (finite bandwidth status information form) is proposed, can be in the case where bandwidth be good, selection includes
The protocol data information form for the three parts composition that data content is more, data volume is larger, in the case where bandwidth is bad, selection
Comprising data content is less, the less protocol data information form dimerous of data volume, to cause Wind turbines state
The transmission situation of information data is adjusted with bandwidth self-adaption, avoids network congestion, ensures the unobstructed and reliable fortune of whole network
OK.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
The present invention is further detailed explanation below.
Embodiment
Embodiments of the invention are described in detail below, but the present invention can be limited and covered according to claim
Multitude of different ways implement.
The present invention is compressed by building limited bandwidth status information format, according to bandwidth situation to transmission data, real
The requirement to network bandwidth is reduced on the premise of now ensureing effective transmission equipment status information.
Limit bandwidth status information format includes：Destination object header data, essential information data, real time data three parts.
In the case where bandwidth rates are more than 5K/S, the finite bandwidth status information form used includes destination object header data, base
This information data, real time data three parts；It is less than 5K/S situation, the finite bandwidth status information form used in bandwidth rates
Including destination object header data, essential information data two parts.
Wherein destination object header data form is as follows：
Its middle wrapping head length：Represented with nybble, destination object header data, essential information data, real time data overall length
Degree.
Device type：Represented with nybble, example：
0x0101 implications：On-line condition monitoring equipment+waterworks
0x0102 implications：On-line condition monitoring equipment+wind field
Transmission mode：With 2 byte representations, example：
0x01 implications：The transmission mode of destination object header data+essential information data；
0x02 implications；Destination object header data+essential information data+real time data；
Transmission Time Interval：With 4 byte representations, example：0x03e8 represents that Transmission Time Interval is 1000ms.
Essential information data format is as follows：
Real time data form is as shown in the table, and the quantity of parameter sensing field can be selected according to actual conditions；Such as need
When transmitting two parameter sensing data of acceleration and temperature, then the data of acceleration sensing parameter are inserted in parameter sensing 01,
The data of TEMP parameter are inserted in parameter sensing 02, by that analogy.
According to above-mentioned status information form, can according to bandwidth situation, adjust in destination object header data transmission mode and
The parameter of Transmission Time Interval, to control the size of transmitted per unit time data volume, adapt to effective bandwidth.
Jamming control method based on TCP/IP, in the case of different effective bandwidth, corresponding band can be specified by user
Width, the transmission speed of automatic adjusument Monitoring Data is minimum to accomplish 65 seconds transmission primaries data, and maximum can reach 1 milli
Second transmission primaries data, the transmission of real-time data collection；Unobstructed, the reliable fortune of whole network is ensured in the case where bandwidth is limited
OK.Such as under 1KB/s bandwidth, 0x01 patterns can be used, Transmission Time Interval is 0x1F4 in a manner of 2 times per second
Transmit essential information；Due to essential information include status information characteristic value (mechanical oscillation temporal signatures value, electric characteristic value,
Efficiency characteristic value), status information is still effective；Under 100M home network conditions, 0x02 patterns are as data collecting system, in real time
The gathered data of transmission.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (6)
1. the Wind turbines state information transmission method of a kind of adaptive bandwidth, it is characterised in that believed using finite bandwidth state
Cease form and carry out information transfer, in the case where bandwidth rates are more than 5K/S, the finite bandwidth status information form used includes
Destination object header data, essential information data, real time data three parts；It is less than 5K/S situation in bandwidth rates, uses
Finite bandwidth status information form includes destination object header data, essential information data two parts；
The destination object header data includes device type, transmission mode, the data of Transmission Time Interval, the device type
As shown by data data source, the transmission mode as shown by data is according to data structure used by current bandwidth, during the transmission
Between interval show according to current bandwidth used by Transmission Time Interval；
The essential information data include mechanical oscillation temporal signatures value, electric characteristic value and efficiency characteristic value；
The real time data includes at least one parameter sensing, when the parameter sensing includes sensor type, port number, collection
Between interval, gathered data number and supplemental characteristic content.
2. Wind turbines state information transmission method according to claim 1, it is characterised in that the mechanical oscillation time domain
Characteristic value includes RMS, peak value, set-back coefficient and crest factor.
3. Wind turbines state information transmission method according to claim 2, it is characterised in that the electric characteristic value bag
Include magnitude of voltage and current value.
4. Wind turbines state information transmission method according to claim 1, it is characterised in that the sensor type is
Any one in acceleration, temperature, flow, pressure, voltage, electric current.
5. Wind turbines state information transmission method according to claim 1, it is characterised in that the supplemental characteristic is 4B
A parameter value is stored, collection is once one group, and supplemental characteristic is by 1 to N channel sequential storage.
6. Wind turbines state information transmission method according to claim 1, it is characterised in that the Transmission Time Interval
For 1 millisecond to 65 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710931070.2A CN107749829B (en) | 2017-10-09 | 2017-10-09 | Bandwidth-adaptive wind turbine state information transmission method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710931070.2A CN107749829B (en) | 2017-10-09 | 2017-10-09 | Bandwidth-adaptive wind turbine state information transmission method |
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| Publication Number | Publication Date |
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| CN107749829A true CN107749829A (en) | 2018-03-02 |
| CN107749829B CN107749829B (en) | 2021-07-16 |
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| CN201710931070.2A Active CN107749829B (en) | 2017-10-09 | 2017-10-09 | Bandwidth-adaptive wind turbine state information transmission method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505740A (en) * | 2018-12-04 | 2019-03-22 | 浙江海洋大学 | A kind of Wind turbines status information monitoring method of adaptive bandwidth |
| CN110891092A (en) * | 2019-12-09 | 2020-03-17 | 北京布袋森林科技有限责任公司 | Data compression transmission method and device |
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|---|---|---|---|---|
| CN101022260A (en) * | 2006-02-15 | 2007-08-22 | 中国科学院自动化研究所 | Multi-wind wheel wind electric machine set and control method thereof |
| US7813326B1 (en) * | 2005-05-27 | 2010-10-12 | Bluetronix Inc. | Swarm location service for mobile ad hoc network communications |
| US7957355B1 (en) * | 2005-05-27 | 2011-06-07 | Heiferling Mark J | Swarm autonomous routing algorithm for mobile ad hoc network communications |
| CN102318289A (en) * | 2011-07-29 | 2012-01-11 | 华为技术有限公司 | Bandwidth adjusting method, bus controller and signal converter |
| CN103033359A (en) * | 2012-12-19 | 2013-04-10 | 西安交通大学 | Wind turbine generator main gear fault diagnosis method of multi-feature multilevel comprehensive judgment |
-
2017
- 2017-10-09 CN CN201710931070.2A patent/CN107749829B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7813326B1 (en) * | 2005-05-27 | 2010-10-12 | Bluetronix Inc. | Swarm location service for mobile ad hoc network communications |
| US7957355B1 (en) * | 2005-05-27 | 2011-06-07 | Heiferling Mark J | Swarm autonomous routing algorithm for mobile ad hoc network communications |
| CN101022260A (en) * | 2006-02-15 | 2007-08-22 | 中国科学院自动化研究所 | Multi-wind wheel wind electric machine set and control method thereof |
| CN102318289A (en) * | 2011-07-29 | 2012-01-11 | 华为技术有限公司 | Bandwidth adjusting method, bus controller and signal converter |
| CN103033359A (en) * | 2012-12-19 | 2013-04-10 | 西安交通大学 | Wind turbine generator main gear fault diagnosis method of multi-feature multilevel comprehensive judgment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505740A (en) * | 2018-12-04 | 2019-03-22 | 浙江海洋大学 | A kind of Wind turbines status information monitoring method of adaptive bandwidth |
| CN110891092A (en) * | 2019-12-09 | 2020-03-17 | 北京布袋森林科技有限责任公司 | Data compression transmission method and device |
| CN110891092B (en) * | 2019-12-09 | 2022-09-23 | 北京布袋森林科技有限责任公司 | Data compression transmission method and device |
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| CN107749829B (en) | 2021-07-16 |
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Effective date of registration: 20231114 Address after: Room 101-223, Building 1, Building 1, Changsha Otto Machinery Co., Ltd., No. 13 Huanlian Road, Changsha High tech Development Zone, Changsha City, Hunan Province, 410000 Patentee after: HUNAN VTALL INFORMATION TECHNOLOGY CO.,LTD. Address before: No.98 Lixiang Road, Changsha Economic and Technological Development Zone, Hunan Province, 423038 Patentee before: YINHE ELECTRIC CO.,LTD. |
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