CN206017052U - A kind of synchronous oar paddle change system of wind turbines safety guard that becomes - Google Patents
A kind of synchronous oar paddle change system of wind turbines safety guard that becomes Download PDFInfo
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- CN206017052U CN206017052U CN201621008557.0U CN201621008557U CN206017052U CN 206017052 U CN206017052 U CN 206017052U CN 201621008557 U CN201621008557 U CN 201621008557U CN 206017052 U CN206017052 U CN 206017052U
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- China
- Prior art keywords
- main drive
- wind turbines
- safety guard
- change system
- driving means
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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 utility model provides a kind of synchronous oar paddle change system of wind turbines safety guard that becomes, comprise main drive, clutch, drive unit for subsequent use and position sensor, described drive unit for subsequent use is connected by through shaft with main drive, described position sensor is arranged in drive unit through shaft for subsequent use, in the time that described main drive quits work, described drive unit for subsequent use starts, provide pitch to regulate power, can ensure the security of wind-powered electricity generation unit, can prevent that by slide teeth is set on normally closed type clutch high pulling torque from impacting time, main driving arrangement is caused to the damage of physics, in slide teeth, draw and connect electrostatic screen device, can effectively prevent the electromagnetic interference of static to main drive, by position sensor is arranged in through shaft, can under any circumstance read accurately and become oar position and blade angle.
Description
Technical field
The utility model relates to a kind of synchronous oar paddle change system of wind turbines safety guard that becomes.
Background technology
A kind of device that wind-driven generator is is electric energy by wind energy transformation, is generally made up of tower cylinder, cabin and wind wheel, at machine In cabin, be provided with pitch-controlled system, pitch-controlled system changes and adjusts blade angle absorption wind energy according to wind speed, the most reasonably utilizes wind energy, protects Demonstrate,prove generating efficiency. become oar technology through constantly development, present global wind-powered electricity generation complete-system vendor Megawatt fan all adopts change oar Apart from technology, synchronously become oar technology and belong to wherein a kind of; The synchronous oar technology that becomes had both ensured that control system was to blower variable-pitch angle energy Enough control the uniformity that has also ensured blade angle simultaneously.
Now the pitch-controlled system of main flow is driven by main drive (as: motor), drive unit for subsequent use, clutch and master at present Moving device location sensor forms, in the time that main drive fault needs emergency feathering, clutch and its disengaging, become oar push rod with Main drive loses connection, and clutch is connected with drive unit for subsequent use, under drive unit for subsequent use drives, becomes oar, said system There is following shortcoming: (1), in the time that main drive fault needs emergency feathering, pitch-controlled system, under effect of inertia, position can occur The movement of putting, thus causing position sensor to be surveyed becoming oar position and blade angle there is error; (2) main drive is dashed forward When the high pulling torque of varying load impacts, as easy as rolling off a logly cause damage; Therefore, be necessary a kind of synchronous oar wind-powered electricity generation set pitch control system that becomes of design System safety guard.
Utility model content
The utility model provides a kind of synchronous oar paddle change system of wind turbines safety guard that becomes; to solve in the time that main drive fault needs emergency feathering, change oar position surveyed by position sensor and blade angle occurs that error and high pulling torque impact the problem that main drive is caused to damage.
To achieve these goals, the utility model is to realize by the following technical solutions: A kind of synchronous change oar wind group of motors pitch-controlled system safety guard, comprise main drive, clutch, drive unit for subsequent use and position sensor, institute State standby driving means to be connected by insertion axle with main drive, the position sensor is arranged on standby driving means insertion On axle, when the main drive quits work, the standby driving means start, there is provided pitch adjusts power.
Further, when the main drive quits work, blade is turned to maximum suitable by the standby driving means
Oar position, the standby driving means quit work.
Further, during the main drive normal work, according to the positional information of the position sensor, oar is adjusted
Leaf position and blade angle, the standby driving means quit work, and with insertion axle freedom under the drive of main drive
Rotate.
Further, the clutch is normally closed type clutch.
Further, slide teeth is provided between the normally closed type clutch and insertion axle, the slide teeth is unexpected in moment of torsion
Dallied during increase.
Further, the slide teeth accesses electrostatic screen device, when slide teeth is dallied by the electrostatic screen device and insertion
Frictional static ground connection between axle.
Further, the main drive and standby driving means are motor.
The beneficial effects of the utility model are：
The system includes main drive, clutch, standby driving means and position sensor, the standby driving means
It is connected by insertion axle with main drive, the position sensor is arranged on standby driving means insertion axle, as the master
When driving means quit work, the standby driving means start, there is provided pitch adjusts power, it is ensured that the peace of Wind turbines
Quan Xing, when can prevent high pulling torque from impacting by arranging slide teeth on normally closed type clutch, causes physics to main driving equipment
Damage, draw in slide teeth and connect electrostatic screen device, can effectively prevent electromagnetic interference of the electrostatic to main drive, by will
Position sensor is arranged on insertion axle, can accurately read pitch position and blade angle under any circumstance.
Description of the drawings
Fig. 1 is that a kind of synchronous one structure of oar paddle change system of wind turbines safety guard that becomes of this utility model connects
Figure；
In figure：1- main drives, 2- clutches, the standby driving means of 3-, 4- position sensors, 5- insertion axles, 6- become
Oar push rod.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in this utility model embodiment, and make this reality
Can be become apparent from the above-mentioned purpose of new embodiment, feature and advantage understandable, below in conjunction with the accompanying drawings to this utility model reality
Apply technical scheme in example to be described in further detail.
Referring to Fig. 1, including main drive 1, clutch 2, standby driving means 3 and position sensor 4, standby driving fills
Put and be connected by insertion axle 5 with main drive, between standby driving means and main drive, be provided with clutch, position sensing
No matter device is arranged on standby driving means insertion axle, so can ensure that main drive and standby driving means whether work
Make, detection pitch position and blade angle that position sensor can prepare are when the main drive quits work, described
Standby driving means start, there is provided pitch adjusts power, and standby driving means turn to blade after maximum feather position, standby
Driving means quit work, and are so effectively guaranteed Wind turbines and in case of emergency timely and effectively can shut down, protect
The safety of Wind turbines is demonstrate,proved.
In main drive normal work, according to the positional information of the position sensor, blade position and leaf is adjusted
Piece angle, standby driving means quit work, and freely rotate with insertion axle under the drive of main drive.
In order to further optimize such scheme, clutch 2 is normally closed type clutch, between normally closed type clutch and insertion axle
Slide teeth is provided with, often when wind speed increases suddenly, is become oar push rod and is produced very big moment of torsion, now as unexpected high pulling torque is rushed
Hit, huge damage can be caused to the whole synchronous oar Wind turbines that become, by arranging slide teeth, allow high pulling torque to drive insertion axle empty
Turn, it is ensured that main drive is not affected by the high pulling torque for increasing suddenly, it is ensured that the safety of Wind turbines.
In order to further optimize such scheme, draw in one end of slide teeth and connect electrostatic screen device, electrostatic screen device will slide
Toe joint ground, effectively will slide teeth idle running friction when the electrostatic carrying-off that produces, it is to avoid electrostatic is done to the electrostatic of main drive
Disturb and electric current affects.
In order to further optimize such scheme, main drive and standby driving means are motor.
As seen from the above-described embodiment, the system includes main drive, clutch, standby driving means and position sensing
Device, the standby driving means are connected by insertion axle with main drive, and the position sensor is arranged on standby driving and fills
Put on insertion axle, when the main drive quits work, the standby driving means start, there is provided pitch adjusts power,
The safety of Wind turbines is can ensure that, when can prevent high pulling torque from impacting by arranging slide teeth on normally closed type clutch,
The damage that physics is caused to main driving equipment, draws in slide teeth and connects electrostatic screen device, can effectively prevent electrostatic to main driving
The electromagnetic interference of device, by position sensor is arranged on insertion axle, can accurately read change oar under any circumstance
Position and blade angle.
Finally illustrate, above example is only unrestricted in order to the technical solution of the utility model to be described, although ginseng
This utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent, the objective and model without deviating from technical solutions of the utility model
Enclose, which all should be covered in the middle of right of the present utility model.
Claims (7)
1. one kind is synchronous becomes oar paddle change system of wind turbines safety guard, it is characterised in that：Including main drive, clutch
Device, standby driving means and position sensor, the standby driving means are connected by insertion axle with main drive, institute's rheme
Put sensor to be arranged on standby driving means insertion axle, when the main drive quits work, the standby driving fills
Put startup, there is provided pitch adjusts power.
2. one kind according to claim 1 is synchronous becomes oar paddle change system of wind turbines safety guard, it is characterised in that：
When the main drive quits work, blade is turned to maximum feather position, the standby drive by the standby driving means
Dynamic device quits work.
3. one kind according to claim 1 is synchronous becomes oar paddle change system of wind turbines safety guard, it is characterised in that：
During the main drive normal work, according to the positional information of the position sensor, blade position and blade angle is adjusted,
The standby driving means quit work, and freely rotate with insertion axle under the drive of main drive.
4. one kind according to claim 1 is synchronous becomes oar paddle change system of wind turbines safety guard, it is characterised in that：
The clutch is normally closed type clutch.
5. one kind according to claim 4 is synchronous becomes oar paddle change system of wind turbines safety guard, it is characterised in that：
Slide teeth is provided between the normally closed type clutch and insertion axle, the slide teeth is dallied when moment of torsion increases suddenly.
6. one kind according to claim 5 is synchronous becomes oar paddle change system of wind turbines safety guard, it is characterised in that：
The slide teeth accesses electrostatic screen device, and frictional static when slide teeth is dallied by the electrostatic screen device and between insertion axle connects
Ground.
7. one kind according to claim 1 is synchronous becomes oar paddle change system of wind turbines safety guard, it is characterised in that：
The main drive and standby driving means are motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621008557.0U CN206017052U (en) | 2016-08-31 | 2016-08-31 | A kind of synchronous oar paddle change system of wind turbines safety guard that becomes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621008557.0U CN206017052U (en) | 2016-08-31 | 2016-08-31 | A kind of synchronous oar paddle change system of wind turbines safety guard that becomes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017052U true CN206017052U (en) | 2017-03-15 |
Family
ID=58255524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621008557.0U Active CN206017052U (en) | 2016-08-31 | 2016-08-31 | A kind of synchronous oar paddle change system of wind turbines safety guard that becomes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017052U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925136A (en) * | 2019-12-07 | 2020-03-27 | 潍坊工程职业学院 | Safe feathering device of wind turbine generator system |
| CN112523946A (en) * | 2019-09-17 | 2021-03-19 | 北京金风科创风电设备有限公司 | Variable pitch control method, device and medium for wind generating set |
-
2016
- 2016-08-31 CN CN201621008557.0U patent/CN206017052U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523946A (en) * | 2019-09-17 | 2021-03-19 | 北京金风科创风电设备有限公司 | Variable pitch control method, device and medium for wind generating set |
| CN110925136A (en) * | 2019-12-07 | 2020-03-27 | 潍坊工程职业学院 | Safe feathering device of wind turbine generator system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: North District 401122 Chongqing City No. 30 garden Jinyu Road Patentee after: China Shipbuilding Heavy Industry offshore wind power Limited by Share Ltd Address before: 401122 Chongqing city Yubei District North New District No. 30 garden Jinyu Road Patentee before: CSIC (Chongqing) Haizhuang Windpower Equipment Co., Ltd. |