CN205689361U - Pitch motor variable blade control system - Google Patents
Pitch motor variable blade control system Download PDFInfo
- Publication number
- CN205689361U CN205689361U CN201620608671.0U CN201620608671U CN205689361U CN 205689361 U CN205689361 U CN 205689361U CN 201620608671 U CN201620608671 U CN 201620608671U CN 205689361 U CN205689361 U CN 205689361U
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- pitch
- control unit
- control system
- plc control
- pitch motor
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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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- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
This utility model discloses a kind of pitch motor variable blade control system, including fixed support, PLC control unit, it is provided with RAM (random access memory) card in described PLC control unit, described PLC control unit is connected with the functional module group signal being arranged on described fixed support, described functional module group has corresponding functional interface, described functional module group correspondence at least three pitch drive unit, the most corresponding pitch motor of each pitch drive unit；The advantage of technical solutions of the utility model is mainly reflected in: use the variable blade control system of separation module composition, it is to avoid interfering between module；In software control method, control to be divided into some relatively independent states by wind electricity change paddle, switching between state is triggered by qualifications, the running status of controller is relatively independent, control logic and understand clearly, avoid the Production conditions because the complex logic of pitch control processes to interlock, reduce control probability of malfunction, improve the operation stability of controller.
Description
Technical field
This utility model relates to a kind of pitch motor variable blade control system, belongs to technical field of wind power generation.
Background technology
The awkward situation of exhaustion is worldwide faced, for meeting industrialized production and human lives along with non-renewable energy resources
Required, solar energy, wind-force, the concern of these regenerative resources of waterpower and utilization are the most day by day promoted by people.Wherein, wind-power electricity generation
As a kind of developmental technology of new energy resources having developed relative maturity, by the extensive attention of various countries.Variable blade control system is to become
One of core component of oar group of motors, its major function is the angle that the size according to wind-force carrys out regulator generator group blade, changes
The changing the flow of QI-blood stream angle of attack to blade, enables the output of pitch motor to automatically adjust according to the size of wind speed, it is ensured that become
The delivery efficiency of oar motor is the highest, and exports within rated power.
Variable blade control system is typically by a controller+3 pitch motors of+3 variable pitch drivers and associated satellite equipment
Composition, controlling device at the wind power pitch-controlled system run at present has the biggest proportion to use LENORD+BAUER company of Germany to produce
Controller (be called for short " L+B controller ").It is somebody's turn to do at printed circuit board (being called for short PCB) the some signals of upper employing of " L+B controller "
Reason chip, circuit board is integrated with Digital Signal Processing, analog signal processing, speed and position detection process, Communication processing, people
Machine interface and other process functions etc..Wind electricity change paddle operating mode is complicated, and environment is changeable, and pitch control device is the most vibrated, electromagnetism is done
The unfavorable factor impact such as disturbing, the most so many software function is integrated at certain control chip, controls logic complicated, software function
Realizing more complicated, operation stability is poor.Owing to all peripheral functions of L+B controller are integrated on PCB, when a certain unit goes out
During fault, need to change whole controller, owing to controller external interface is numerous, more changer controller need to plug total interface；And by
Optimize difficulty in software solidification in controller internal upgrade, control loaded down with trivial details, it is difficult to adapt to the environmental applications of wind farm in China, control
Device fault rate is high, and blower fan maintenance workload is greatly increased, and Renewal process is the biggest on the impact of wind turbine power generation amount.
Summary of the invention
The purpose of this utility model is contemplated to solve the above-mentioned problems in the prior art, it is provided that a kind of pitch motor
Variable blade control system and control method, in order to the normal work of pitch motor and pitch drive unit remain to into when breaking down
Merit is put away the oars.
The purpose of this utility model is achieved through the following technical solutions:
A kind of pitch motor variable blade control system, including fixed support, and the PLC control being fixed on described fixed support
Unit processed, is provided with RAM (random access memory) card, described PLC control unit and the merit being arranged on described fixed support in described PLC control unit
Can module signal connect, described functional module group has a corresponding functional interface, described PLC control unit and each functional module group it
Between connected by control signal and feedback signal, described functional module group correspondence at least three pitch drive unit, each pitch drive
The most corresponding pitch motor of unit；Described PLC control unit, the pitch control life issued according to wind-power electricity generation master control system
Make and drive oar to three pitch drive unit initiation pitch motors, become oar operational order；Detecting the feather control of this pitch motor
When system processed occurs to set fault, the duty of three pitch motors of control is to carry out operation of putting away the oars respectively, and in detection
It has fault that pitch motor variable blade control system occurs when being pitch drive unit exception, to pitch drive unit working properly
Initiate emergency propeller retraction operational order or orderly closedown, quick shutdown instruction；Described pitch drive unit, according to the change oar received
The duty that motor becomes the pitch motor that oar operational order controls correspondence is to change propeller pitch angle and mono-receiving described PLC
During what unit issued put away the oars operational order, control the duty of corresponding pitch motor to put away the oars；In grid cut-off or institute
When stating pitch drive cell operation exception, automatically cut off output.
Preferably, described fixed support is additionally provided with heat abstractor, just to described PLC control unit.
Preferably, described heat abstractor is radiator fan, and radiator fan is installed on described PLC control unit side, utilizes
The space of the another side of PLC control unit forms heat dissipation wind channel, and described radiator fan is fixed by its mounting bracket, with described
The relatively independent interval of PLC control unit connects.
The advantage of technical solutions of the utility model is mainly reflected in: uses the variable blade control system of separation module composition, keeps away
Having exempted from interfering between module, a certain module breaks down, it is not necessary to changes whole controller, avoids all connectors simultaneously
Plug again, reduce workload, reduce because operation mechanical fastener causes to loosen brings the smooth risk of connection；Software controls
In method, controlling to be divided into some relatively independent states by wind electricity change paddle, the switching between state is triggered by qualifications, controls
The running status of device is relatively independent, controls logic and understands clearly, it is to avoid the Production conditions because the complex logic of pitch control processes
Staggered, improve control fault, reduce the operation stability of controller；Clear additionally, due to module logic, the state division of labor is clear and definite,
Each module and state can individual packages be tested, and realize becoming the most easy by the complicated software becoming oar logic.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model pitch motor variable blade control system.
Fig. 2 is the structural representation of this utility model pitch motor variable blade control system functional module group.
Detailed description of the invention
The purpose of this utility model, advantage and feature, will carry out figure by the non-limitative illustration of preferred embodiment below
Show and explain.These embodiments only be application technical solutions of the utility model prominent example, all take equivalent or etc.
Effect conversion and the technical scheme that formed, all fall within this utility model claimed within the scope of.
As depicted in figs. 1 and 2, this utility model discloses a kind of pitch motor variable blade control system, including fixed support
1, and the PLC control unit 2 being fixed on described fixed support, be provided with RAM (random access memory) card, described PLC in described PLC control unit
Control unit 2 is connected with functional module group 3 signal being arranged on described fixed support, and described functional module group has corresponding function
Interface 4, is connected by control signal and feedback signal between described PLC control unit with each functional module group, described function mould
Group at least includes three pitch drive unit, the most corresponding pitch motor of each pitch drive unit.
Heat abstractor 5 it is additionally provided with, just to described PLC control unit on described fixed support.Preferably, described heat abstractor
For radiator fan.Preferably, described radiator fan is installed on described PLC control unit side, utilizes PLC control unit another
The space of side forms heat dissipation wind channel.Described radiator fan is fixed by its mounting bracket, relative with described PLC control unit only
Vertical, connect without direct mechanical.
This utility model further discloses the control method of a kind of pitch motor variable blade control system, described PLC control unit
The pitch control order issued according to wind-power electricity generation master control system is initiated pitch motor to three pitch drive unit and is driven oar, becomes oar
Operational order；When detecting that this pitch motor variable-pitch control system occurs to set fault, described PLC control unit is controlled respectively
The duty of three pitch motors of system is to carry out operation of putting away the oars；In the fault detecting that pitch motor variable blade control system occurs
During for pitch drive unit exception, described PLC control unit initiates emergency propeller retraction operation to pitch drive unit working properly
Instruction or orderly closedown, quick shutdown instruction；Described pitch drive unit becomes oar operational order according to the pitch motor received
Control the duty of corresponding pitch motor to change propeller pitch angle；Described pitch drive unit is under receiving described PLC unit
Send out put away the oars operational order time, control the duty of corresponding pitch motor to put away the oars；Described pitch drive unit exists
When grid cut-off or described pitch drive cell operation exception, automatically cut off output.
Preferably, when the fault detecting that pitch motor variable blade control system occurs is pitch drive unit exception, institute
State PLC control unit and first determine whether the intensity of anomaly of pitch drive unit, and then according to the intensity of anomaly grade set to work
Normal pitch drive unit initiates emergency propeller retraction operational order or orderly closedown, quick shutdown instruction.Described emergency propeller retraction is grasped
Driver emergency propeller retraction operational order or back-up source emergency propeller retraction operational order is included as instruction.Described driver emergency propeller retraction
Operational order is controlled by described PLC control unit.Described back-up source emergency propeller retraction operational order is for directly to be driven by back-up source
Blade is received to limit-switch positions shutdown rapidly by dynamic direct current generator.The speed of putting away the oars of described orderly closedown, quick shutdown instruction
And stop position is controlled by the master control system being connected with described PLC control unit.
Concrete, pitch control is logically divided into initialization, standby mode, operational mode, manual mould by variable blade control system
Put away the oars emergency mode, driver of formula, battery is put away the oars six kinds of states such as emergency mode.After controller initializes, if there are urgent feelings
Condition (depending on emergency priority) then enters battery and puts away the oars in pattern；Otherwise enter standby mode.After entering standby mode, according to
Host computer instructs, pattern that controller can respectively enter operational mode, pattern put away the oars by manual mode, battery and driver is put away the oars；
In operational mode, as cancelled operating instruction, then controller returns to standby mode；As there is emergency, according to emergency priority,
Battery can be respectively enterd put away the oars or driver is put away the oars in pattern；Manually becoming in oar pattern, cancelling if manually becoming oar instruction, then return
Returning standby mode, if there is emergency, then entering battery emergency propeller retraction pattern；In driver emergency propeller retraction pattern, if driving
Dynamic device has been put away the oars, then return holding state, if the higher situation of the grade that breaks down, then enters battery emergency propeller retraction pattern；
Battery emergency propeller retraction pattern is pitch control last line of defense, enters this pattern, only after battery has been put away the oars, just can move back
This pattern, returns to holding state.
This utility model still has numerous embodiments, all employing equivalents or equivalent transformation and all technology of being formed
Scheme, within all falling within protection domain of the present utility model.
Claims (3)
1. a pitch motor variable blade control system, it is characterised in that: include fixed support, and be fixed on described fixed support
On PLC control unit, be provided with RAM (random access memory) card in described PLC control unit, described PLC control unit be arranged on described fixing
Functional module group signal on frame connects, and described functional module group has corresponding functional interface, described PLC control unit and each merit
Can be connected by control and feedback signal between module, described functional module group correspondence at least three pitch drive unit, respectively become oar
The most corresponding pitch motor of driver element,
Described PLC control unit, the pitch control order issued according to wind-power electricity generation master control system is to three pitch drive unit
Initiate pitch motor to drive oar, become oar operational order；When detecting that this pitch motor variable-pitch control system occurs to set fault,
The duty of three pitch motors of control is to carry out operation of putting away the oars respectively, and is detecting pitch motor variable blade control system
The fault occurred is when being pitch drive unit exception, to pitch drive unit working properly initiate emergency propeller retraction operational order or
Orderly closedown, quick shutdown instruct；
Described pitch drive unit, becomes oar operational order according to the pitch motor received and controls the work of corresponding pitch motor
State to change propeller pitch angle, and receive that described PLC unit issues put away the oars operational order time, control corresponding pitch motor
Duty to put away the oars；When grid cut-off or described pitch drive cell operation exception, automatically cut off output.
Pitch motor variable blade control system the most according to claim 1, it is characterised in that: it is additionally provided with on described fixed support
Heat abstractor, just to described PLC control unit.
Pitch motor variable blade control system the most according to claim 2, it is characterised in that: described heat abstractor is radiation air
Fan, radiator fan is installed on described PLC control unit side, utilizes the space of the another side of PLC control unit to form heat radiation
Air channel, described radiator fan is fixed by its mounting bracket, and the relatively independent interval of described PLC control unit is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620608671.0U CN205689361U (en) | 2016-06-21 | 2016-06-21 | Pitch motor variable blade control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620608671.0U CN205689361U (en) | 2016-06-21 | 2016-06-21 | Pitch motor variable blade control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205689361U true CN205689361U (en) | 2016-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620608671.0U Active CN205689361U (en) | 2016-06-21 | 2016-06-21 | Pitch motor variable blade control system |
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| CN (1) | CN205689361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937481A (en) * | 2016-06-21 | 2016-09-14 | 苏州格远电气有限公司 | Variable pitch control system of variable pitch motor and control method |
-
2016
- 2016-06-21 CN CN201620608671.0U patent/CN205689361U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937481A (en) * | 2016-06-21 | 2016-09-14 | 苏州格远电气有限公司 | Variable pitch control system of variable pitch motor and control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |