CN209557158U - A kind of novel yaw control system - Google Patents
A kind of novel yaw control system Download PDFInfo
- Publication number
- CN209557158U CN209557158U CN201920271834.4U CN201920271834U CN209557158U CN 209557158 U CN209557158 U CN 209557158U CN 201920271834 U CN201920271834 U CN 201920271834U CN 209557158 U CN209557158 U CN 209557158U
- Authority
- CN
- China
- Prior art keywords
- main body
- fan main
- blower
- wind
- yaw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The utility model discloses a kind of novel yaw control systems, including fan main body, fan main body axis connection has yaw motor, the avris of the shaft of yaw motor is provided with wind driven generator principal shaft brake, the avris of fan main body is provided with anemoclinograph, there are three blades for fan main body setting, a limit switch is equipped on each blade, fan main body is electrically connected with blower master controller, blower master controller is connected with the slip ring in fan main body, slip ring is connected with pitch control device, pitch control device is electrically connected with variable pitch encoder, slip ring is connected with the limit switch on three blades respectively.The utility model strengthens the safety that wind-driven generator is run in strong wind weather, avoids because of variable pitch failure, and blower cannot put away the oars in time, so as to cause blower overspeed seriously so that wheel hub and leaf abscission or blower fall the risk of machine.
Description
Technical field
It is specially a kind of new the utility model relates to be applied to the wind-driven generator safety control technology field of wind-powered electricity generation industry
Type yaw control system.
Background technique
Fan safe controlling mechanism is the guarantee of fan safe operation, and reliability is directly related to the peace of blower entirety
Entirely.In strong wind weather, wind power generating set since blower reaches rated speed at this time, and shakes Operation at full power
Move larger, the failure rate of blower greatly increases, and the risk of fan operation also increases.
Traditional wind power direct-driven generating set such as failure, blower will be switched off power grid and connect and shut down to put away the oars.Such as failure
Grade is higher, and blower will also be forbidden yawing, the whole state for keeping not doing any movement.Due to just shutting down, blower head will be protected
It holds to wind state, the blade windward side after withdrawal is also minimum, and resistance is minimum.This security mechanism is more correct in the case
Safety measure, but such as encounter pitch-controlled system catastrophe failure, blade cannot be withdrawn, and windward side is larger, and be in strong wind at this time
Weather, wind direction will be integrally maintained for a long time, and wind speed is higher, and wind power generating set revolving speed will constantly rise, and then be taken turns
Hub and leaf abscission or blower fall the serious accident of machine.
Summary of the invention
The purpose of this utility model is to provide a kind of novel yaw control system, one kind cannot be by blade in pitch-controlled system
Receive 90 degree of homes or the more reliable controller for safety in the case that master control system cannot detect blade physical location
System, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of novel yaw control system, including wind
Owner's body, fan main body axis connection have yaw motor, and the avris of the shaft of yaw motor is provided with wind driven generator principal shaft brake,
The avris of fan main body is provided with anemoclinograph, and fan main body setting is equipped with a limit on each blade there are three blade
Bit switch, fan main body are electrically connected with blower master controller, and blower master controller is connected with the slip ring in fan main body, sliding
Ring is connected with pitch control device, and pitch control device is electrically connected with variable pitch encoder, slip ring respectively with the limit on three blades
Switch is connected.
By using above-mentioned technical proposal: after blower puts away the oars failure, by controlling fan yaw, making blower Handpiece Location
Remain to wind angle to be that even if blade is maintained as 0 degree at this time, but wind energy, blade cannot be obtained well near 90 degree
Revolving speed will not promote hypervelocity revolving speed, to realize the optimization of controling mechanism of the blower after failure of putting away the oars.
Preferably, blower master controller electrically connects with wind driven generator principal shaft brake, anemoclinograph and yaw motor
It connects.
By using above-mentioned technical proposal: using blower head to wind angle is 90 degree when, even if mounted blade angle be 0
Degree, blade can not obtain the principle of wind energy, after blower puts away the oars failure, by controlling fan yaw, make blower Handpiece Location
Remain that wind angle be near 90 degree.To realize the optimization of controling mechanism of the blower after failure of putting away the oars.
Preferably, the Handpiece Location of fan main body is 3 seconds mean wind speeds to wind speed cited in wind angle.
By using above-mentioned technical proposal: it is variable that blower Handpiece Location, which need to be set in deviation an X, X to wind angle,
Parameter, default value 20, when Handpiece Location meets: | it is practical that wind angle -90 is spent | when≤X, fan yaw is failure to actuate, when
Handpiece Location meets: | practical that wind angle -90 is spent | when > X, fan yaw movement is moved to blower head to wind angle
90 degree of position.
Preferably, the installation site of three limit switches is respectively 10 degree, 40 degree and 70 degree.
By using above-mentioned technical proposal: switching signal is transmitted fan main control by slip ring by three limit switches
Device.
Compared with prior art, the utility model has the beneficial effects that the utility model strengthens wind-driven generator big
The safety run when wind weather is avoided because of variable pitch failure, and blower cannot put away the oars in time, so as to cause blower overspeed seriously with
The risk of machine is fallen as wheel hub and leaf abscission or blower.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the mounted blade of the utility model to 0 degree of wind direction schematic diagram.
In figure: 1, blower master controller；2, variable pitch encoder；3, pitch control device；4, wind driven generator principal shaft brakes；5,
Anemoclinograph；6, yaw motor；7, slip ring；8, limit switch.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that the instructions such as term "vertical", "upper", "lower", "horizontal"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connection ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be and be directly connected to, intermediary can also be passed through
It is indirectly connected with, can be the connection inside two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
The utility model provides a kind of technical solution referring to FIG. 1-2: novel yaw control system, including fan main body
9,9 axis connection of fan main body has yaw motor 6, and the avris of the shaft of yaw motor 6 is provided with wind driven generator principal shaft brake 4,
The avris of fan main body 9 is provided with anemoclinograph 5, and the setting of fan main body 9 is equipped with one on each blade there are three blade
Limit switch 8, fan main body 9 are electrically connected with blower master controller 1, the slip ring 7 in blower master controller 1 and fan main body 9
It is connected, slip ring 7 is connected with pitch control device 3, and pitch control device 3 is electrically connected with variable pitch encoder 2, and slip ring 7 is respectively with three
Limit switch 8 on a blade is connected.After blower puts away the oars failure, by controlling fan yaw, blower Handpiece Location is made to begin
It keeps being that even if blade is maintained as 0 degree at this time, but wind energy cannot be obtained well near 90 degree to wind angle eventually, blade turns
Speed will not promote hypervelocity revolving speed, to realize the optimization of controling mechanism of the blower after failure of putting away the oars.
Blower master controller 1 is electrically connected with wind driven generator principal shaft brake 4, anemoclinograph 5 and yaw motor 6,
Using blower head to wind angle is 90 degree when, even if mounted blade angle be 0 degree, blade can not obtain the principle of wind energy,
After blower puts away the oars failure, by controlling fan yaw, remain blower Handpiece Location near 90 degree of wind angle.From
And realize the optimization of controling mechanism of the blower after failure of putting away the oars.The Handpiece Location of fan main body 9 is to cited in wind angle
Wind speed be 3 seconds mean wind speeds, the installation site of three limit switches 8 is respectively 10 degree, 40 degree and 70 degree.
Working principle: in use, if blower master controller 1 detects fault-signal, blower master controller 1 puts away the oars sending
Order passes to pitch control device 3 by slip ring 6, and pitch control device 3 executes order and starts to put away the oars, variable pitch coding, in real time by paddle
The numerical signal of leaf angle passes to pitch control device 3, and angle signal is transmitted fan master by slip ring 6 by pitch control device 3
Controller 1, three limits are opened, and switching signal is transmitted fan master controller 1 by slip ring 7 by 8, and anemoclinograph 5 is by wind direction
With wind velocity signal real-time delivery fan master controller 1；Blower master controller 1 judges, if 3 seconds mean wind speeds are less than 3
Meter per second, blower do not act；If 3 seconds mean wind speeds are more than 3 meter per seconds, three, every face equal Xiang Fengji in 30 seconds of limit switch 8
Master controller 1 passes switching signal back or blade angle value reaches 90 degree in 30 seconds, and blower does not act；If mean wind speed was super in 3 seconds
3 meter per seconds are crossed, blade angle value does not reach 90 degree or three, every face limit switch 8 not aweather owner in 30 seconds in 30 seconds
Controller 1 passes switching signal back, and blower master controller 1 will issue yaw command, and yaw motor 6 acts, and blower is displaced to head
The position for being 90 degree to wind angle.
Blower master controller 1 real-time judge, 30 seconds mean wind directions, when Handpiece Location meets: | it is practical to wind angle -90 |≤
When 20, fan yaw is failure to actuate；When Handpiece Location meets: | practical to wind angle -90 | when > 20, blower master controller 1 is provided
Yaw command, fan yaw motor 6 act, and blower head is made to be moved to the position to 90 degree of wind angle.
It is worth noting that: whole device realizes control to it by main control button, sets since control button is matched
Standby is commonly used equipment, belongs to existing Changshu technology, details are not described herein its electrical connection and specific circuit structure.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of novel yaw control system, including fan main body (9), it is characterised in that: fan main body (9) axis connection has yaw
Motor (6), the avris of the shaft of yaw motor (6) are provided with wind driven generator principal shaft brake (4), the avris of fan main body (9)
It is provided with anemoclinograph (5), fan main body (9) setting is equipped with a limit switch on each blade there are three blade
(8), fan main body (9) is electrically connected with blower master controller (1), the slip ring in blower master controller (1) and fan main body (9)
(7) it is connected, slip ring (7) is connected with pitch control device (3), and pitch control device (3) is electrically connected with variable pitch encoder (2), sliding
Ring (7) is connected with the limit switch (8) on three blades respectively.
2. a kind of novel yaw control system according to claim 1, it is characterised in that: blower master controller (1) and wind
Power generator main shaft brake (4), anemoclinograph (5) and yaw motor (6) are electrically connected.
3. a kind of novel yaw control system according to claim 1, it is characterised in that: the head position of fan main body (9)
Setting to wind speed cited in wind angle is 3 seconds mean wind speeds.
4. a kind of novel yaw control system according to claim 1, it is characterised in that: the peace of three limit switches (8)
Holding position is respectively 10 degree, 40 degree and 70 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920271834.4U CN209557158U (en) | 2019-03-04 | 2019-03-04 | A kind of novel yaw control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920271834.4U CN209557158U (en) | 2019-03-04 | 2019-03-04 | A kind of novel yaw control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209557158U true CN209557158U (en) | 2019-10-29 |
Family
ID=68312109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920271834.4U Active CN209557158U (en) | 2019-03-04 | 2019-03-04 | A kind of novel yaw control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209557158U (en) |
-
2019
- 2019-03-04 CN CN201920271834.4U patent/CN209557158U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102828909B (en) | Method, device and system for safety protection used in failure of putting away oar of blade of wind turbine generator | |
| CN201747522U (en) | Aerogenerator unit safe control device | |
| CN102042180B (en) | Wind-driven generator | |
| CN209523844U (en) | Variable blade control system and wind power generating set | |
| CN102709944B (en) | Control method of low voltage through of wind driven generator set based on DGNR variable pitch system | |
| CN102278278B (en) | Safety control system and safety control method of wind generating set | |
| CN101517229A (en) | Method for controlling a wind turbine connected to the utility grid, wind turbine and wind park | |
| CN102536659B (en) | Impeller locking automatic control system and method for large wind power generator | |
| CN211258882U (en) | Device for preventing blades of wind generating set from sweeping tower | |
| CN103629048A (en) | Intelligent pitch control system of wind turbine generator and pitch control method thereof | |
| CN102235304A (en) | Small wind-power control device | |
| CN101860310A (en) | Drive control circuit and method of series DC machine for pitch control system | |
| CN207620967U (en) | The variable blade control system of wind power generating set | |
| CN103016265B (en) | Alternating current pitch control system using electric network to drive emergency feathering | |
| CN106150900A (en) | Double-fed asynchronous wind generator system and operation method thereof | |
| CN203835620U (en) | Over rotation speed protection device of large wind generating set | |
| EP2963286A1 (en) | Windturbine and method for stopping the same | |
| CN209557158U (en) | A kind of novel yaw control system | |
| CN102536651B (en) | Control system of permanent magnetic variable-pitch wind driven generation unit | |
| CN107701372B (en) | A kind of wind power generating set self-protection control method under variable pitch Actuators Failures | |
| CN110067703A (en) | The synchronous variable pitch Wind turbines of Worm type and control method | |
| CN202545111U (en) | Blackout feathering control system of permanent magnet variable pitch wind-driven generator set | |
| CN110185581B (en) | Shutdown and shutdown protection method for flexible tower wind turbine generator | |
| CN202789323U (en) | Safety protection device for blade closing failure of wind generating set | |
| CN113454336B (en) | Variable-pitch installation and debugging system and operation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |