CN103956038A - New method for wireless communication of variable pitch control system of large-size wind generator set - Google Patents
New method for wireless communication of variable pitch control system of large-size wind generator set Download PDFInfo
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- CN103956038A CN103956038A CN201410207996.3A CN201410207996A CN103956038A CN 103956038 A CN103956038 A CN 103956038A CN 201410207996 A CN201410207996 A CN 201410207996A CN 103956038 A CN103956038 A CN 103956038A
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention relates to a new method for wireless communication of a variable pitch control system of a large-size wind generator set. As a core component of a wind generator set, the variable pitch control system of the wind generator set plays a very important role in integrated design of a blower control system. According to the new method for wireless communication of a variable pitch control system of a large-size wind generator set, two Bluetooth communication modules FL Bluetooth Bluetooth BLUETOOTH AP (1) are used for communication; and the two Bluetooth communication modules perform end-to-end transmission on data between a master control system and the variable pitch system, wherein the end-to-end transmission is performed in a wireless communication manner. The invention is used for wireless communication of a variable pitch control system of a large-size wind generator set.
Description
technical field:
the present invention relates to a kind of Large-scale Wind Turbines variable blade control system wireless telecommunications new method.
background technology:
wind electricity change paddle is the core component as wind power generating set apart from control system, has very important effect in the global design of blower fan control system.Bus communication is extremely important as the important bridge status between connection master control system and pitch-variable system, at present, Industrial Ethernet, the communication modes such as control area network communication CANopen bus communication are widely used in wind power control system.Pitch-controlled system adopts formula logic controller PLC able to programme carry out signal processing as controller and realize and control function.By field bus communication by the data distributing of each sensor in the wheel hub collecting to host computer, and obtain the steering order that host computer provides, complete the servocontrol to motor.
wind field wireless communication technique is applied between wind power generating set and Central Control Room conventionally.The communication interface of blower fan is connected by wireless industrial equipment is starlike with central control computer.The each fan operation parameter of Central Control Room Real-time Collection, carries out remote monitoring, remote automation control and telecommunication to whole blower fan group.And wireless communication technique is applied in the communication of wind power generating set master control system and pitch-variable system and also belongs to blank field.
the most oar communication failures that become of blower fan are all caused by slip ring.Gear case leakage of oil causes oil-feed in slip ring when serious, oil is attached between slip ring and contact pin and forms oil film, plays insulating effect, causes becoming oar communication signal off and on, and winter oil becomes sticky, and becomes oar communication failure more common.General clean slip ring after fault can eliminate, but the method cures the symptoms, not the disease, the method solving from root is to solve gearbox leakage.The change oar communication that slip ring causes also likely has the reasons such as contact pin damages, fixing shakiness to cause, if slip ring is no problem, hub end wiring disengagement and slip ring end inlet wire must be carried out to school line, the object of school line is to check that circuit has or not the phenomenons such as wrong, short circuit, broken skin, ground connection.Slip-ring seat will rotate with main shaft, and the line of the inside easily causes broken skin ground connection with slip-ring seat friction, also can cause change oar fault.Slip ring should transmit power electric, and signal transmission again cannot make a distinction forceful electric power light current, and the signal causing thus disturbs, and causes a hidden trouble to the communication of change oar, and very likely cause pitch-controlled system misoperation.Now signal kinds is many in addition, requires more complicated, accurate conducting slip ring cost compare high and also safeguard very inconvenient.
summary of the invention:
the object of this invention is to provide one and realize point-to-point communication, improve the Large-scale Wind Turbines variable blade control system wireless telecommunications new method of communication quality.
above-mentioned object realizes by following technical scheme:
a kind of Large-scale Wind Turbines variable blade control system wireless telecommunications new method, these means of communication adopt two bluetooth communication module FL bluetooth bluetooth BLUETOOTH AP (1) to carry out communication, two bluetooth communication modules carry out two ends to sending out (4), to sending out the mode that adopts wireless telecommunications by the data between master control system and pitch-variable system.
described Large-scale Wind Turbines variable blade control system wireless telecommunications new method, the described means of communication are supported point-to-point (2) or multi-point communication (3).
described Large-scale Wind Turbines variable blade control system wireless telecommunications new method, in the described means of communication, main website and Bluetooth transmission or reception 1 module (4) adopt Ethernet Ethernet communication, slave station and Bluetooth transmission or reception 2 modules (4) adopt Ethernet Ethernet communication, adopt bluetooth bluetooth BLUETOOTH communication (2) between two bluetooth modules.
beneficial effect:
1. to select Phoenix model be a input/output bus agreement Modbus IO access point communication module of FL bluetooth bluetooth BLUETOOTH AP in the present invention, adopt the blue tooth wireless communication prioritization scheme based on bluetooth bluetooth BLUETOOTH, a bluetooth communication module of each placement in generator front and back end, the relative transceiving data in two ends substitutes the scheme of existing dependence signal slip ring communication, the various change oar communication failures that the loose contact of signal slip ring causes are eliminated, realize point-to-point communication, improve communication quality.Because the installation site of wireless module is away from for electric slip ring, strong power system is separated with weakness system, strengthen the reliability and stability of communication.
2. the present invention can either solve slip ring communication failure problems, and the Redundancy Design that can serve as again signal transmission is considered; Bluetooth module is changed convenient, reduces maintenance difficulties and workload, cost-saving, has promotional value.
3. the present invention is applied to the communication scheme between Large-scale Wind Turbines master control system and pitch-variable system, also for the control system that is not suitable for applying wire communication or considering based on Redundancy Design causing due to various factors proposes a new approach and solution.
brief description of the drawings:
accompanying drawing 1 is wireless telecommunications prioritization scheme schematic diagram of the present invention.
accompanying drawing 2 is control system topological diagrams of the present invention.
accompanying drawing 3 is bluetooth module multi-point communication topological diagrams in the present invention.
accompanying drawing 4 is system configuration schematic diagram in the present invention.
embodiment:
embodiment 1:
a kind of Large-scale Wind Turbines variable blade control system wireless telecommunications new method, these means of communication adopt two bluetooth communication module FL bluetooth bluetooth BLUETOOTH AP (1) to carry out communication, two bluetooth communication modules carry out two ends to sending out (4), to sending out the mode that adopts wireless telecommunications by the data between master control system and pitch-variable system; The described means of communication are supported point-to-point (2) or multi-point communication (3).
embodiment 2:
large-scale Wind Turbines variable blade control system wireless telecommunications new method described in embodiment 1, in the described means of communication, main website and Bluetooth transmission or reception 1 module (4) adopt Ethernet Ethernet communication, slave station and Bluetooth transmission or reception 2 modules (4) adopt Ethernet Ethernet communication, adopt bluetooth bluetooth BLUETOOTH communication (2) between two bluetooth modules.
embodiment 3:
large-scale Wind Turbines variable blade control system wireless telecommunications new method described in above-described embodiment, as shown in Figure 1, tower top coupling mechanism is connected to a bluetooth communication module one that is fixed on brake flange and probes into dynamo bearing rear end by Ethernet Ethernet; In wheel hub, becoming oar controller is connected and fixed on a bluetooth communication module two of dynamo bearing front end by Ethernet Ethernet.Bluetooth communication module one and bluetooth communication module two are respectively charged in aluminum shielding box, dynamo bearing rear end bluetooth module one is static, dynamo bearing front end bluetooth module two is along with wheel hub rotates, and bluetooth communication module one and bluetooth communication module two are realized good point-to-point communication 1 meter of quill shaft middle distance.
embodiment 4:
large-scale Wind Turbines variable blade control system wireless telecommunications new method described in above-described embodiment, as shown in Figure 2; Prioritization scheme is tower top switch board and wheel hub pitch-controlled system close together, and has counterrotating problem, and traditional wire communication bus there is no obvious advantage, has adopted brand-new bluetooth bluetooth BLUETOOTH wireless communication technique.First determine that selecting Phoenix model is a bluetooth Modbus IO access point communication module of FL bluetooth bluetooth BLUETOOTH AP, this module is supported multi-point communication,
as shown in Figure 3; Sensor signal is can fast wireless integrated; There is fast response time; Transmission control bus agreement Modbus-TCP(RJ45); Bluetooth 2.0.The original various functions that realize fieldbus with it have also been added redundancy protection systems simultaneously.As shown in Figure 4; System configuration is to have completed following basic function by wireless telecommunications: the parameter such as the axle head scrambler of pulp distance varying mechanism, gear ring scrambler, limit switch, servo-driver, pitch motor and safety chain signal all can be transferred to master control system by wireless communication module and judge, and master control system can send change propeller angle by wireless communication module to pulp distance varying mechanism, become the control commands such as oar speed and acceleration, realize the control to pitch-controlled system.
embodiment 5:
large-scale Wind Turbines variable blade control system wireless telecommunications new method described in above-described embodiment, the present embodiment has further been optimized network and configuration, has improved real-time, the accuracy of communication, its communication frequency band and communication waveform; Visible closely blocking under few operating mode, bluetooth communication quality is good.The application of wireless telecommunications based on bluetooth bluetooth BLUETOOTH technology in variable blade control system communication is a kind of brand-new communication scheme, can effectively substitute communication slip ring, realize the communication function between rotating part and nonrotational part, improve the reliability of communication bus.
Claims (3)
1. a Large-scale Wind Turbines variable blade control system wireless telecommunications new method, it is characterized in that: these means of communication adopt two bluetooth communication module FL bluetooth bluetooth BLUETOOTH AP (1) to carry out communication, two bluetooth communication modules carry out two ends to sending out (4), to sending out the mode that adopts wireless telecommunications by the data between master control system and pitch-variable system.
2. Large-scale Wind Turbines variable blade control system wireless telecommunications new method according to claim 1, is characterized in that: the described means of communication are supported point-to-point (2) or multi-point communication (3).
3. Large-scale Wind Turbines variable blade control system wireless telecommunications new method according to claim 1 and 2, it is characterized in that: in the described means of communication, main website and Bluetooth transmission or reception 1 module (4) adopt Ethernet Ethernet communication, slave station and Bluetooth transmission or reception 2 modules (4) adopt Ethernet Ethernet communication, adopt bluetooth bluetooth BLUETOOTH communication (2) between two bluetooth modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410207996.3A CN103956038A (en) | 2014-05-18 | 2014-05-18 | New method for wireless communication of variable pitch control system of large-size wind generator set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410207996.3A CN103956038A (en) | 2014-05-18 | 2014-05-18 | New method for wireless communication of variable pitch control system of large-size wind generator set |
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| CN103956038A true CN103956038A (en) | 2014-07-30 |
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| CN201410207996.3A Pending CN103956038A (en) | 2014-05-18 | 2014-05-18 | New method for wireless communication of variable pitch control system of large-size wind generator set |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600842A (en) * | 2014-12-31 | 2015-05-06 | 大连尚能科技发展有限公司 | Wind turbine converter CANopen (controller area network open) communication system |
| CN105065192A (en) * | 2015-08-26 | 2015-11-18 | 中国海洋大学 | Wireless variable pitch control system for blades of hydraulic turbine |
| CN106330642A (en) * | 2016-08-31 | 2017-01-11 | 三重型能源装备有限公司 | Wind power control system and wind power control method |
| CN107917043A (en) * | 2016-10-10 | 2018-04-17 | 北京金风科创风电设备有限公司 | The processing method and system of the communication flash of wind-driven generator |
| CN109089276A (en) * | 2018-08-31 | 2018-12-25 | 北京金风科创风电设备有限公司 | Communication fault processing method and device for variable pitch system and storage medium |
| CN112653250A (en) * | 2020-12-15 | 2021-04-13 | 重庆前卫无线电能传输研究院有限公司 | Energy signal transmission system and method for adjusting blades of wind driven generator |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600842A (en) * | 2014-12-31 | 2015-05-06 | 大连尚能科技发展有限公司 | Wind turbine converter CANopen (controller area network open) communication system |
| CN105065192A (en) * | 2015-08-26 | 2015-11-18 | 中国海洋大学 | Wireless variable pitch control system for blades of hydraulic turbine |
| CN105065192B (en) * | 2015-08-26 | 2017-07-11 | 中国海洋大学 | A kind of turbine blade becomes oar wireless control system |
| CN106330642A (en) * | 2016-08-31 | 2017-01-11 | 三重型能源装备有限公司 | Wind power control system and wind power control method |
| CN107917043A (en) * | 2016-10-10 | 2018-04-17 | 北京金风科创风电设备有限公司 | The processing method and system of the communication flash of wind-driven generator |
| CN107917043B (en) * | 2016-10-10 | 2019-12-10 | 北京金风科创风电设备有限公司 | method and system for processing communication flash of wind driven generator |
| CN109089276A (en) * | 2018-08-31 | 2018-12-25 | 北京金风科创风电设备有限公司 | Communication fault processing method and device for variable pitch system and storage medium |
| CN112653250A (en) * | 2020-12-15 | 2021-04-13 | 重庆前卫无线电能传输研究院有限公司 | Energy signal transmission system and method for adjusting blades of wind driven generator |
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Application publication date: 20140730 |