CN206221149U - Magnetic suspension goes off course pitching to wind apparatus - Google Patents
Magnetic suspension goes off course pitching to wind apparatus Download PDFInfo
- Publication number
- CN206221149U CN206221149U CN201621211091.4U CN201621211091U CN206221149U CN 206221149 U CN206221149 U CN 206221149U CN 201621211091 U CN201621211091 U CN 201621211091U CN 206221149 U CN206221149 U CN 206221149U
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- Prior art keywords
- cabin
- pitching
- driftage
- winding
- wind
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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
-
- 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
The utility model discloses a kind of magnetic suspension driftage pitching to wind apparatus, including pitching winding, position local device and driftage winding.Cabin is realized pitching, position locking and is gone off course under pitching winding, position local device and driftage winding synergy.Pitching winding is made up of NL and the symmetric parts of NR two, and pitching and driftage are realized for the cabin that suspends, when wind direction and cabin luffing angle are not 0, winding NL and NR produce uneven suspending power, electricity on position local device, expansion link suspends with cabin and passively adjust, and realizes cabin pitching；Driftage winding is made up of three-phase symmetric winding, and for driving cabin to be gone off course under suspended state, when wind direction and cabin yaw angle are not 0, electricity on position local device and driftage winding produces yawing to drive cabin driftage；Position local device power down after the completion of pitching and driftage, undertakes cabin stabilization to wind.The utility model will effectively lift Wind energy extraction system to wind precision, improve Wind energy extraction efficiency.
Description
Technical field
The utility model is related to a kind of magnetic suspension driftage pitching that big-and-middle-sized wind-powered electricity generation system is applied to wind apparatus, especially one kind
System realizes that cabin various dimensions are accurate to wind, the wind generator system of reduce loss.
Background technology
Wind-power electricity generation, as the wide regenerative resource of a kind of cleaning, development prospect, is always the energy hair of countries in the world
Exhibition strategy.Lifting Wind energy extraction is always the study hotspot of wind-powered electricity generation researcher, and yaw system is realized based on wind vector
The important step that fan engine room is gone off course to wind, is the essential part of horizontal axis wind-driven generator group, can effectively be lifted
Wind turbines reliability, service life and generating efficiency.
Traditional yaw device complex structure driven based on gear, because gear clearance and rotating speed transmission no-load voltage ratio etc. because
Element, go off course, operation expense low to wind precision it is high, especially in During yaw, head deadweight produced by eccentric moment with
And the bending moment that blower fan load causes easily causes yaw gear to be damaged.Patent of invention 200910161406.7 discloses a kind of magnetcisuspension
Floating yaw device, the device reduces driftage fault rate and maintenance cost and driftage loss using single-point suspension actuation techniques；
Blower fan capture torque is distributed to driftage torque by patent of invention 201410143297.7 using mechanical coupler, while suspending
Symmetrical horizontal winding is introduced in winding, cabin is guarded against and is moved horizontally, rotor center caused by reducing crosswind deviates.Above-mentioned patent is effective
Reduce driftage loss and go off course to wind, but all exist fan engine room suspend after, because cabin driftage completely disengage from pylon constraint institute
The cabin stability problem of cause.To only considering horizontal direction yaw angle deviation during wind, ignore wind direction luffing angle to wind
The influence of power can be captured；Current conventional small blower fan has started to inquire into cabin pitching lifting Wind energy extraction power, but only according to
Passively produced by the tilting moment produced by fan blade, passively regulated the speed compared with slow while also bringing that cabin is unstable to ask
Topic.
Utility model content
Technical assignment of the present utility model is directed to not enough present in above-mentioned technology, there is provided a kind of magnetic suspension driftage pitching
To wind apparatus.
The technical scheme in the invention for solving the above technical problem is：Magnetic suspension driftage pitching includes to wind apparatus
Pitching winding 6, position local device and driftage winding 4.Pitching winding 6 is by NLAnd NRTwo symmetric parts are constituted, and are bowed in cabin
In the presence of the degree of the elevation angle, two windings each lead into the exciting current based on luffing angle real-time control, produce uneven suspending power to drive
The pitching of motivation cabin；Driftage winding 4 is made up of three-phase symmetric winding, for driving cabin go off course under suspended state, when wind direction and
Cabin yaw angle not be 0 when, three-phase driftage winding 4 on electricity, produce yaw forces, while on position local device electricity, guide rail 7 with
The passive rotation of cabin driftage realizes that cabin is gone off course；Position local device power down after the completion of pitching and driftage, undertakes pitching winding 6
With cabin stabilization after the driftage power down of winding 4 to wind.
The pitching winding is arranged on disk shaped iron core, NLAnd NRRespectively two symmetrical semi-circular parts, respectively by 8 groups around
Group is in series, NLPart is arranged on fan blade side, NRBe arranged on cabin rear side, two parts electric current need to according to crosswind speed with
And luffing angle real-time adjustment, stabilization and realizes pitching at cabin, while reducing frictional dissipation caused by cabin driftage.
The position local device is based on loss protecting device, three rigid telescopic bars and cabin basetray guide rail institute
Constitute, collectively constitute the pitching after cabin pitching process is servo-actuated stretching, the cabin stabilization traction of During yaw and terminates to wind
Support；Including pitching supplementary structure and driftage guiding two parts, wherein pitching auxiliary body include expansion link 9, fixed support 10,
Pitching guide bearing 12 and loss protecting device 11, without hindrance stretching during electricity on loss protecting device 11 of expansion link 9, and in dead electricity
Produce braking moment to constrain the change in displacement of expansion link 9, cabin pitch position is supported；The fixed support 10 is three
The cylindrical vertical support on pylon is arranged on, cabin suspension extreme lower position is constrained；The pitching guide bearing is the He of expansion link 9
The draw bail of loss protecting device 11, the constraint direction of motion of expansion link 9 ensures nacelle position stabilization；Driftage guide structure includes machine
Cabin pallet 3, guide rail 7 and sliding block 8 are constituted, and cabin pallet 3 is circular fuselage chassis, and guide rail 7 is set thereon, and guide rail 7 is provided with
Three can flexible mobile sliding block 8, collaboration guiding cabin driftage to wind, while constraining cabin rotating range.
The loss protecting device 11 is provided with braking latch means for saddle type both sides, and pitching guide bearing 12 is braked,
Constraint length of telescopic bar and angle of inclination, determine cabin pitch position.Position local device is accurate equal to wind overall process in cabin
In passive without hindrance lock-out state, and terminating the support accurate pitching of cabin to wind to wind.The guide rail 7 be circular T fonts simultaneously
It is rigidly connected with engine room foundation pallet, sliding block 8 is supporting with guide rail 7 to be connected, and rail guidance cabin is in yawing and slider support
Under around central rotation, constrain cabin movement locus, it is ensured that cabin stabilization.
The beneficial effect that the utility model is brought is：1) the utility model is by position local device, and is constrained at it
Under support, cabin 2 is gone off course, pitching under the Collaborative Control of pitching winding 6 and driftage winding 4, realizes that fan blade is more
Dimension is accurate to wind, effectively lifting Wind energy extraction efficiency, reliability of operation under enhancing equipment complex working condition.2) the utility model
Braked under the power failure state of loss protecting device 11 by expansion link 9, passive without hindrance stretching during power-up, with reference to nacelle position and wind
Fast historical data, power-up amendment in real time cabin state and position reduce pitch system and repeat energy loss and control caused by upper electricity
Difficulty processed, strengthening system energy capture rate.3) the utility model is by pylon 5, expansion link 9, guide rail 7, sliding block 8 and cabin support
Disk 3, cabin 2 and the insertion of pylon 5 are integrated, and are thereby completed cabin and are suspended and pitching, lift wind power generating set reliability, together
When During yaw middle guide 7 and sliding block 8 introducing, mechanical structure constraint is carried out to driftage track, guard against cabin the center displacement inclined
Difference, lifts the wind turbine cabin stability of a system.
Brief description of the drawings
Fig. 1 magnetic suspension goes off course pitching to wind apparatus schematic diagram.
Fig. 2 nacelle position latch-up structure schematic diagrames.
Fig. 3 loss protecting device internal structure schematic diagrams.
Fig. 4 magnetic suspension driftage pitching is accurate to wind apparatus to wind flow chart.
Fig. 5 pitching winding construction schematic diagrames.
Specific embodiment
Symbol description：
NLNear the part winding of flabellum 1 in suspending windings 6
NRAway from the part winding of flabellum 1 in suspending windings 6
α0The vertical angle of yaw angle, i.e. wind direction and cabin horizontal plane
β0Luffing angle, i.e. wind direction and angle of the cabin central shaft on cabin horizontal plane
FLThe suspending power produced near the partial current of flabellum 1 in suspending windings 6
FRThe suspending power produced away from the partial current of flabellum 1 in suspending windings 6
δbAir gap average value between suspending windings 6 and driftage winding 4
δ1Air gap between the part of flabellum 1 and driftage winding 4 is close in suspending windings 6
δ2Away from air gap between the part of flabellum 1 and driftage winding 4 in suspending windings 6
Note：
(1) cabin vertical plane：With draught fan impeller flabellum face and the plane of horizontal plane；
(2) cabin horizontal plane：The plane vertical with draught fan impeller flabellum face and cabin vertical plane；
The utility model is further illustrated with reference to the accompanying drawings and examples.
The magnetic suspension driftage pitching that the utility model is announced is to wind apparatus (such as Fig. 1), including pitching winding 6, position lock
Determine device and driftage winding 4；Pitching winding is by NLAnd NRTwo symmetric parts are constituted；Position local device is by pylon 5, dead electricity
Protector 11, expansion link 9, guide rail 7, sliding block 8 and cabin pallet 3 are constituted；Loss protecting device is by the electric motor end cap 14, magnetic line of force
Circle 13 and keep plate 15 are constituted.
The magnetic suspension driftage pitching that the utility model is announced is accurate to wind apparatus as shown in Figure 4 to wind control flow chart.System
The system moment, according to the anemoclinograph 16 and nacelle position and historical data of real-time monitoring, judges fan engine room running status, together
When for effectively reduce energy loss, improve Wind energy extraction rate, magnetic suspension driftage pitching cabin is bowed is adhered to wind apparatus control flow
Face upward, the control flow such as cabin driftage and nacelle position locking, realize that cabin various dimensions are accurate to wind.Cabin suspend by pitching around
Group 6 is completed, while regulating and controlling the input current of pitching winding 6, changes cabin luffing angle size, and in position latch-up structure or so
Under, passive without hindrance auxiliary pitching；Cabin is gone off course then when luffing angle is zero, and makees pitching winding 4 and position local device
Under guiding, cabin driftage completion level is accurate to wind；Position locking link then after driftage terminates, driftage winding 6 and pitching around
Under 4 powering-off states of group, position local device undertakes former pitching winding 6 and produces pitching support force, realizes that cabin various dimensions are accurately right
Wind.
Cabin pitching, when anemoclinograph 16 detects the angle of pitch β of wind direction and blower fan0When ≠ 0, pitching winding 6N is controlledL
And NRWinding is separately energized, and uneven suspending power (F is produced by adjusting exciting currentLAnd FR), that is, produce different suspension air gaps
δ1And δ2, while electricity on position local device loss protecting device, its interior magnetic coil 13 generation strength magnetic force, attract keep plate 15
It is mobile, reduce the rotational resistance of pitching guide bearing 12, and expansion link 9 tensile elongation, pitching orientation axes under without hindrance state completely
Hold 12 and expansion link angle of inclination is adjusted in loss protecting device 11, cabin pitching is passively adjusted, until angle of pitch β0=0, realize
The complete pitching of cabin, completes accurate to wind on y direction.
Cabin is gone off course, after the completion of cabin pitching, when anemoclinograph 16 detects the yaw angle α of wind direction and blower fan0≠0
When, three-phase symmetrical driftage winding 4 is powered under the power-up state of pitching winding 6, drives cabin driftage, while position local device loses
Electricity on non-electricity protector 11, cabin pallet 3 in the case where guide rail 7 and sliding block 8 draw, under the driftage torque actuated that driftage winding 4 is produced
Go off course to wind, until yaw angle α0When=0, the power down of winding 4 of going off course, cabin driftage terminates, and completes accurate in horizontal axis
To wind.
After nacelle position locking, cabin pitching and driftage terminate, i.e. the angle of pitch β of wind direction and cabin0=0, yaw angle α0=
0, now suspension air gap meet δ1+δ2=2 δb, position local device locking cabin.Detailed process is as follows：Position local device loses
Non-electricity protector 11 is powered off, now no current in magnetic coil 13, and braking flap 15 is extruded by elastic force, is strengthened and pitching guide bearing
Between rotational resistance, the position of limitation pitching guide bearing 12.Pitching winding 6 and driftage winding 4 are powered off simultaneously, are made at whole system
State is lost in noenergy, nacelle position locking is so far completed.
It is not new to this practicality although above-mentioned be described with reference to accompanying drawing to specific embodiment of the present utility model
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Various modifications or deform still in protection model of the present utility model that field technique personnel make by need not paying creative work
Within enclosing.
Claims (4)
1. a kind of magnetic suspension for being applied to big-and-middle-sized Wind turbines goes off course pitching to wind apparatus, it is characterized in that, including pitching winding,
Position local device and driftage winding, the pitching winding byN L WithN R Two symmetric parts are constituted, and are deposited in cabin luffing angle
When, two windings each lead into the exciting current calculated in real time based on luffing angle, produce uneven suspension force driving machine cabin to bow
Face upward；The position local device supports column type cabin rock-steady structures, including pitching auxiliary body and driftage guide mechanism two for three
Part, pitching auxiliary body includes expansion link, fixed support, pitching guide bearing and loss protecting device, and expansion link is in dead electricity
Without hindrance stretching during electricity on protector, and produce braking moment to constrain the change in displacement of expansion link in dead electricity, to cabin pitching position
Put and be supported；The fixed support is three cylindrical vertical supports being arranged on pylon, constrains cabin suspension lowest order
Put, protect support bar and loss protecting device from cabin pressure；The pitching guide bearing is expansion link and loss protecting device
Draw bail, the constraint expansion link direction of motion ensures nacelle position stabilization；Driftage guide structure include cabin pallet, guide rail and
Sliding block is constituted, and cabin pallet is circular fuselage chassis, and guide rail is set thereon, and guide rail is provided with three can flexible mobile sliding block, association
With guiding cabin driftage to wind, while constraining cabin rotating range；The driftage winding is made up of three-phase symmetric winding, defeated in it
Enter three-phase current produces driving force square, drive cabin to be realized under electricity, driftage guide structure auxiliary, cabin suspension on pitching winding
Driftage is to wind；At the end of driftage is to wind, pitching winding undertakes with driftage winding whole power down, pitch position locking device dead electricity
Cabin pitching is supported and stabilization is to wind.
2. magnetic suspension according to claim 1 goes off course pitching to wind apparatus, it is characterized in that pitching winding is arranged in annulus
On empty shape disc type iron core,N L WithN R Respectively two symmetric parts, and formed by 8 groups of windings in series,N L Part is arranged on fan blade
Side,N R Cabin rear side is arranged on, two parts electric current need to be adjusted according to crosswind speed and luffing angle, change cabin pitching
Angle, realizes that pitching, to wind, reduces the frictional dissipation in During yaw.
3. magnetic suspension driftage pitching according to claim 1 is to wind apparatus, it is characterized in that position local device is to be based on losing
Non-electricity protector, three rigid telescopic bars, cabin pallet and guide rails are constituted, collectively constitute the servo-actuated stretching of cabin pitching process,
Position after the cabin of During yaw is drawn and terminated to wind locks；The loss protecting device is saddle type, is provided with two
Electricity loss brake, including generator terminal lid, magnetic coil and keep plate composition, are in on-position, braking during magnetic coil dead electricity
Plate is braked to pitching guide bearing, constrains length of telescopic bar and angle of inclination, and passively without hindrance to the overall process of wind in cabin, and
Terminating the accurate pitching of rear support cabin to wind.
4. magnetic suspension according to claim 1 driftage pitching is to wind apparatus, it is characterized in that the pitching winding and driftage around
Current sensor, voltage sensor, velocity sensor and air gap sensors are provided between group, for controlling nacelle position and shape
State, while being provided with wind speed and direction tester in cabin afterbody.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621211091.4U CN206221149U (en) | 2016-11-10 | 2016-11-10 | Magnetic suspension goes off course pitching to wind apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621211091.4U CN206221149U (en) | 2016-11-10 | 2016-11-10 | Magnetic suspension goes off course pitching to wind apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206221149U true CN206221149U (en) | 2017-06-06 |
Family
ID=58792101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621211091.4U Expired - Fee Related CN206221149U (en) | 2016-11-10 | 2016-11-10 | Magnetic suspension goes off course pitching to wind apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206221149U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905953A (en) * | 2018-01-18 | 2018-04-13 | 安徽锦希自动化科技有限公司 | A kind of wind power generating set that can automatically adjust direction |
| CN112509778A (en) * | 2020-10-29 | 2021-03-16 | 中国科学院合肥物质科学研究院 | High-temperature superconducting magnet device for superconducting maglev train and use method |
-
2016
- 2016-11-10 CN CN201621211091.4U patent/CN206221149U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905953A (en) * | 2018-01-18 | 2018-04-13 | 安徽锦希自动化科技有限公司 | A kind of wind power generating set that can automatically adjust direction |
| CN112509778A (en) * | 2020-10-29 | 2021-03-16 | 中国科学院合肥物质科学研究院 | High-temperature superconducting magnet device for superconducting maglev train and use method |
| CN112509778B (en) * | 2020-10-29 | 2021-07-20 | 中国科学院合肥物质科学研究院 | High-temperature superconducting magnet device for superconducting maglev train and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20211110 |