CN207212583U - The wind driven generator unit yaw system and wind power generating set of a kind of electromagnetic braking - Google Patents
The wind driven generator unit yaw system and wind power generating set of a kind of electromagnetic braking Download PDFInfo
- Publication number
- CN207212583U CN207212583U CN201720740486.1U CN201720740486U CN207212583U CN 207212583 U CN207212583 U CN 207212583U CN 201720740486 U CN201720740486 U CN 201720740486U CN 207212583 U CN207212583 U CN 207212583U
- Authority
- CN
- China
- Prior art keywords
- yaw
- braking device
- power generating
- electro
- generating set
- 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
- Braking Arrangements (AREA)
Abstract
The utility model discloses a kind of wind driven generator unit yaw system of electromagnetic braking and wind power generating set, it solves in yaw system that oil leak, noise are big existing for liquid braking device, the problem of fault rate is high, it uses electromagnetic braking mode, can quick response, and the generation driving force of wind power generating set is directly utilized, without extra power, its technical scheme is：Including mainframe, yaw drive is fixedly installed on the mainframe, yaw drive is connected with yaw, and the yaw bottom sets yaw brake disc, and electro-magnetic braking device is fixedly installed between the mainframe bottom and yaw brake disc.
Description
Technical field
Wind driven generator unit yaw system technical field is the utility model is related to, more particularly to a kind of wind of electromagnetic braking
Power generator group yaw system and wind power generating set.
Background technology
At present, the signal that the yaw device of wind power generating set measures according to anemoclinograph, the two of Synchronization Control are passed through
Motor is covered, cabin is realized around the yaw ring gear against rotation being fixed on pylon and is caught more wind energies to wind automatically
Effect.
Existing yaw system, the devices such as liquid braking device, hydraulic station are equipped with, necessary lock is provided by liquid braking device
Clamp force square, ensure stable operation of unit.Its liquid braking device is installed on mainframe, and brake disc is installed on tower top end flanges
On.Yaw maneuver is driven by yaw motor and completed, and when driftage is failure to actuate, cabin is carried by hydraulic station and driftage liquid braking device
Realize and brake for locking torque.Found in the practice course of work, by the way of hydraulic braking, liquid braking device and hydraulic pressure
Oil leakage phenomenon can all be occurred by standing；And the running environment of wind power generating set is how complex severe, transported under consecutive low temperature environment
During row, liquid braking device and hydraulic station easily break down can not continuous firing, fault rate is high；And using the side of hydraulic braking
Formula, operating yaw damping noise are very serious.
In summary, the problem of existing in the prior art for liquid braking device in yaw system, effective solution is still lacked
Certainly scheme.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of wind power generating set of electromagnetic braking
Yaw system, it uses electromagnetic braking mode, can quick response, and directly utilize wind power generating set generation driving force, without
Extra power；
Further, the utility model uses following technical proposals：
A kind of wind driven generator unit yaw system with electro-magnetic braking device, including mainframe, it is solid on the mainframe
Yaw drive is set surely, and yaw drive is connected with yaw, and the yaw bottom sets yaw brake disc, described
Electro-magnetic braking device is fixedly installed between mainframe bottom and yaw brake disc.
Yaw system of the present utility model, electro-magnetic braking device is set between mainframe bottom and yaw brake disc, can
To avoid the Leakage that liquid braking device occurs, and hydraulic station need not be set, alleviate the weight of whole system, and electromagnetic system
Dynamic device is affected by environment small, and maintenance is also more convenient, can improve whole yaw system reliability of operation.
Further, there is setting gap between the yaw brake disc and electro-magnetic braking device.
Further, the gap length is 0.1~0.5mm.
Further, the electro-magnetic braking device is electromagnetic brake, and electromagnetic brake includes stator, line is set in stator
Circle.
Further, the coil is connected with electric supply installation, and electric supply installation is connected with controller.It is controllable by controller
Supply current size of the electric supply installation processed to coil, and then adjust the enclasping force of the electromagnetic brake under system difference operating state
Square.
Further, the electric supply installation and the energy storage equipment of wind power generating set connect.Directly utilize wind-driven generator
The generation driving force of group, power is set without extra.
Further, the stator with yaw brake disc couple positioned opposite friction plate.Friction plate is set, and increase was braked
Frictional force in journey.
A kind of wind power generating set, including yaw system as described above.
Compared with prior art, the beneficial effects of the utility model are：
Yaw system of the present utility model realizes braking using electro-magnetic braking device, and electro-magnetic braking device can be by electrical system
Control, can realize quick response；
Yaw system of the present utility model realizes braking using electro-magnetic braking device, eliminates hydraulic means, avoids liquid
The generation of pressure brake apparatus the problems such as oil leak easily occurs, and electro-magnetic braking device is simple in construction, it is easy to maintenance, practicality compared with
By force.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.
Fig. 1 is the utility model yaw system schematic diagram；
Fig. 2 is electro-magnetic braking device schematic diagram；
In figure, 1 is yaw drive, and 2 be yaw, and 3 be yaw brake disc, and 4 be electro-magnetic braking device, and 5 be main frame
Frame, 6 stators, 7 coils, 8 friction plates, 9 electric wires, S gaps.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, there is oil leak in hydraulic braking in the prior art, noise is serious, and fault rate is high not
It is sufficient, all it is to use hydraulic caliper-disc brake in existing scheme, power is provided by hydraulic station, when cabin is fixed, hydraulic braking
Device produces a certain amount of locking torque, after driftage instruction is sent, by controlling the power of hydraulic station, could realize to hydraulic braking
The adjustment of device locking torque；In order to solve technical problem as above, present applicant proposes a kind of wind-driven generator of electromagnetic braking
Group yaw system and wind power generating set.
In a kind of typical embodiment of the application, as shown in Figure 1-2, there is provided a kind of with electro-magnetic braking device
Wind driven generator unit yaw system, including mainframe 5, are fixedly installed yaw drive 1 on mainframe 5, yaw drive 1 with partially
Boat bearing 2 connects, and the bottom of yaw 2 sets yaw brake disc 3, is fixedly installed between the bottom of mainframe 5 and yaw brake disc 3
Electro-magnetic braking device 4.
Yaw system of the present utility model, electro-magnetic braking device is set between mainframe bottom and yaw brake disc, can
To avoid the Leakage that liquid braking device occurs, and hydraulic station need not be set, alleviate the weight of whole system, and electromagnetic system
Dynamic device is affected by environment small, and maintenance is also more convenient, can improve whole yaw system reliability of operation.
Have between yaw brake disc 3 and electro-magnetic braking device 4 and set gap S, this gap S can be adjusted by pad.
Gap S sizes are 0.1~0.5mm.
Electro-magnetic braking device 4 is electromagnetic brake, and electromagnetic brake includes stator 6, coil 7 is set in stator 6.Coil 7
It is connected by electric wire 9 with electric supply installation, electric supply installation is connected with controller.By controller, electric supply installation is can control to coil
Supply current size, and then adjust under system difference operating state electromagnetic brake holding torque.It is of the present utility model
Yaw system sets electromagnetic brake, and by electrical system control, quick response can be achieved.
Electric supply installation and the energy storage equipment of wind power generating set connect.The generation driving force of wind power generating set is directly utilized,
Without additionally setting power.
The utility model eliminates a series of hydraulic means such as hydraulic station in original system, liquid braking device, in system
Electromagnetic brake can meet the yaw brake needs of wind power generating set, simple in construction, easy to maintenance, can improve yaw system
Reliability.
Stator 6 with the couple positioned opposite friction plate 8 of yaw brake disc 3.Friction plate is set, increases the friction in braking procedure
Power.
Electro-magnetic braking device 4 is used to provide locking torque for yaw brake in the utility model.Pass through the control of master control system
Control of the device processed to the power supply current value of electromagnetic brake coil, electromagnetic brake is divided into two to the locking torque value of brake disc
Shelves.
After the completion of yaw maneuver, controller controls electric supply installation to be powered to stator coil, Magnetic force tracting caused by stator
Yaw brake disc presses to friction plate, completes braking procedure., will by control electric current value size when being normally carried out yaw maneuver
The locking torque of electromagnetic brake is reduced to hold the 25% of torque tightly.
In the typical embodiment of another kind of the application, there is provided a kind of wind power generating set, including driftage as above
System.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (8)
1. a kind of wind driven generator unit yaw system with electro-magnetic braking device, it is characterized in that, including mainframe, the main frame
Yaw drive is fixedly installed on frame, yaw drive is connected with yaw, and the yaw bottom sets yaw brake
Disk, electro-magnetic braking device is fixedly installed between the mainframe bottom and yaw brake disc.
2. yaw system as claimed in claim 1, it is characterized in that, have between the yaw brake disc and electro-magnetic braking device
Set gap.
3. yaw system as claimed in claim 2, it is characterized in that, the gap length is 0.1 ~ 0.5mm.
4. yaw system as claimed in claim 1, it is characterized in that, the electro-magnetic braking device is electromagnetic brake, electromagnetic system
Dynamic device includes stator, and coil is set in stator.
5. yaw system as claimed in claim 4, it is characterized in that, the coil is connected with electric supply installation, electric supply installation and control
Device connection processed.
6. yaw system as claimed in claim 5, it is characterized in that, the energy storage equipment of the electric supply installation and wind power generating set
Connection.
7. yaw system as claimed in claim 4, it is characterized in that, the stator with yaw brake disc couple positioned opposite friction
Piece.
8. a kind of wind power generating set, including the yaw system as described in claim any one of 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720740486.1U CN207212583U (en) | 2017-06-23 | 2017-06-23 | The wind driven generator unit yaw system and wind power generating set of a kind of electromagnetic braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720740486.1U CN207212583U (en) | 2017-06-23 | 2017-06-23 | The wind driven generator unit yaw system and wind power generating set of a kind of electromagnetic braking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207212583U true CN207212583U (en) | 2018-04-10 |
Family
ID=61812148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720740486.1U Active CN207212583U (en) | 2017-06-23 | 2017-06-23 | The wind driven generator unit yaw system and wind power generating set of a kind of electromagnetic braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207212583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160870A (en) * | 2020-09-23 | 2021-01-01 | 三一重能有限公司 | Yaw system and wind generating set |
-
2017
- 2017-06-23 CN CN201720740486.1U patent/CN207212583U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160870A (en) * | 2020-09-23 | 2021-01-01 | 三一重能有限公司 | Yaw system and wind generating set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103241606B (en) | Electro-hydraulic hybrid driving mine lifting device and control method thereof | |
| CN205445893U (en) | Driftage damping controlling means of well small wind turbine unit | |
| WO2005000673A1 (en) | Electromagnetic aircraft arrestor system | |
| CN207212583U (en) | The wind driven generator unit yaw system and wind power generating set of a kind of electromagnetic braking | |
| CN204386465U (en) | A kind of oil field pull-type electric workover rig | |
| CN104201618B (en) | A kind of cable laying traction apparatus | |
| CN105604788B (en) | A kind of Wind turbines are from power taking swash plate boosting-type brake apparatus | |
| EP2535560A1 (en) | Braking equipment for vertical shaft wind generator and braking method therefor | |
| CN202883244U (en) | Wind driven generator load access type safety braking device | |
| CN105449924A (en) | Powertrain system for energy acquisition device | |
| CN103047082A (en) | Hydraulic yaw system and regulation and control method thereof for wind generating set | |
| CN201671763U (en) | Yaw braking system of wind powered generator | |
| CN205395793U (en) | Arresting gear that rail vehicle is new | |
| CN202840800U (en) | Motor with brake | |
| CN103104417B (en) | Speed-adjustable hub device of large wind turbine generator system | |
| CN201827024U (en) | Brake device and vertical axis wind turbine adopting same | |
| CN109611469A (en) | Electro-magnetic braking device, system and braking method | |
| CN105569919B (en) | A kind of Wind turbines flexibility brake gear | |
| CN202634238U (en) | Eddy current retarder for school bus | |
| CN206506406U (en) | A kind of direct current generator | |
| CN203582384U (en) | Brake equipment of outer rotor permanent magnet synchronous motor driving hoisting system | |
| CN204761044U (en) | Conversion device is retrieved to high -efficient subway kinetic energy | |
| CN109437037A (en) | A kind of electromagnetic braking method for drawworks brake | |
| CN214572526U (en) | Loom external rotor motor braking system | |
| CN203098145U (en) | Wind generator set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |