CN208564845U - A kind of wind-driven generator - Google Patents
A kind of wind-driven generator Download PDFInfo
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- CN208564845U CN208564845U CN201820726068.1U CN201820726068U CN208564845U CN 208564845 U CN208564845 U CN 208564845U CN 201820726068 U CN201820726068 U CN 201820726068U CN 208564845 U CN208564845 U CN 208564845U
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- wind
- wheel hub
- driven generator
- moving vane
- rotation track
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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 discloses wind-driven generators, including wheel hub, cabin and blade assembly, wheel hub is fixed in the shaft of cabin, blade assembly includes the fixed blade being fixed on wheel hub, fixed blade and wheel hub have a tie point, and blade assembly further includes moving vane, are equipped with actuator in wheel hub, wheel hub is equipped with rotation track, and actuator connection moving vane simultaneously drives moving vane to move along rotation track；Line between the terminal and tie point of rotation track is parallel to shaft setting, and the starting point and tie point of rotation track are located on same circumference.Reduce wind area, under extreme weather conditions, wind load will be substantially reduced；When moving vane collapses, wind-driven generator entirety center of gravity is reduced, makes wind-driven generator more stable；Blade height is reduced, moment load and fatigue damage are reduced；Largely improve the safety of wind-driven generator.
Description
Technical field
The utility model relates to wind power plant more particularly to a kind of wind-driven generators.
Background technique
The world today, conventional energy resource supply and demand is nervous, environmental pollution is serious, and countries in the world, which have been formed, greatly develops maturation clearly
The clean energy, the common recognition for reducing the continuous worsening pressure of environment.Wind energy with respect to other renewable energy for, have distribution
Extensively, securely and reliably, technology maturation, inexhaustible inherent advantage, the development as new energy is receive more and more attention.
As inland residue can be developed, wind-resources are fewer and fewer, and wind field builds addressing also increasingly to coastal inclination, especially
It is that offshore wind farm receives unprecedented concern.By the end of the year 2017, the accumulative offshore wind farm capacity in the whole world reaches 17.5 gigawatts,
In terms of the growth of newly-increased capacity, Chinese market share reaches 22%.It will newly-increased 3.9 gigawatts sea it is expected that the whole world in 2018 is total
Wind capacity integrated into grid, between 2017~2026 years, sane development, compound average growth rate are up to by global offshore wind farm industry
16%.
And coastal or offshore wind farm is faced with more serious extreme climate problem, the typhoon in the area such as especially domestic southeast
Weather takes place frequently, and causes biggish threat to the safety problem of wind-driven generator.It is noted that there is pertinent literature to propose folding in recent years
The shortcomings that stacked blade of wind-driven generator improves the Anti-Typhoon performance of blower, this mode mainly destroys the structure of blade
Integrality reduces blade overall structural strength, changes fan blade dynamic characteristic, affects under unit wind sweeping area
Generating efficiency.In addition, maritime environment is severe, the Anticorrosion of collapsible blade will become new challenge.
Currently, domestic assembling is broadly divided into monoblock type lifting and two kinds of forms of split type lifting.One side of integral hoisting
Face needs mating special Large-scale Hoisting transporting equipment, and work progress required precision is more stringent, especially for offshore wind farm,
Large-scale crane, special transport ship etc., improve early investment；On the other hand, integral hoisting generally on the coast assembles blower
It finishes, by special transporting equipment, assembled blower is transported to infield, it is entire to transport in installation process to ocean
Hydrometeorology, wave, which shoves etc., strict requirements, and construction window phase is limited.Fission lifting mainly passes through large-scale floating crane,
The equipment such as installation vessel substep is assembled blower fan tower barrel, cabin, wheel hub and leaf blade hanging, for offshore wind farm, causes
The offshore construction time is longer, and process is various, it is difficult to rationally and effectively utilize limited construction window phase, and require organizing and coordinating
Height, there are biggish security risks.
Utility model content
It is had a safety feature the technical problem to be solved by the utility model is to provide one kind and copes with the extreme day such as typhoon
The wind-driven generator of gas.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows: a kind of wind-driven generator, including wheel
Hub, cabin and blade assembly, wheel hub are fixed in the shaft of cabin, and blade assembly includes one and is fixed on the wheel hub
Fixed blade, the fixed blade and wheel hub have a tie point, and the blade assembly further includes moving vane, the wheel hub
Interior to be equipped with actuator, the wheel hub is equipped with rotation track, and the actuator connects the moving vane and drives the activity
Blade is moved along the rotation track；Line between the terminal of the rotation track and the tie point is parallel to the shaft
Setting, the starting point of the rotation track and the tie point are located on same circumference.
The utility model has the beneficial effects that: moving vane can be with fixed leaf when the extreme weathers such as typhoon are come temporarily
Piece collapses together, and wind load is greatly lowered to reduce wind area, and then reduces blade fatigue stress, is conducive to improve
The safety of wind-driven generator, meanwhile, the center of gravity of wind-driven generator entirety is reduced, makes wind-driven generator more stable；In addition, living
When movable vane piece is located at the terminal of rotation track, maintenance can be conveniently replaceable straight down.
Detailed description of the invention
Fig. 1 is the right view of the wind-driven generator of the utility model embodiment one (when moving vane opens)；
Fig. 2 is the front view of the wind-driven generator of the utility model embodiment one (when moving vane opens)；
Fig. 3 is the right view of the wind-driven generator of the utility model embodiment one (when moving vane collapses)；
Fig. 4 is the front view of the wind-driven generator of the utility model embodiment one (when moving vane collapses)；
Fig. 5 is the installation schematic diagram of the wind-driven generator of the utility model embodiment one.
Label declaration:
1, cabin；
2, shaft；
3, wheel hub；
4, fixed blade；
5, the first rotatable vane；
6, the second rotatable vane；
7, the first track；
8, the second track；
9, tie point；
10, tower；
11, pedestal；
12, installation vessel；
13, cable wind rope.
Specific embodiment
For technology contents, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained.
The design of the utility model most critical is: blade assembly is divided into fixed blade and moving vane, moving vane
Rotation track on wheel hub is movably arranged, and in extreme weather, moving vane can collapse together with fixed blade.It mentions
The advantages of having gone out a kind of branch's integral hoisting method, having had both monoblock type lifting and split type lifting, does not need large-scale special transport
Equipment, offshore construction time are few and safe and efficient.
It please refers to Fig. 1 to Fig. 5, a kind of wind-driven generator, including wheel hub 3, cabin 1 and blade assembly, wheel hub 3 and is fixed on machine
In the shaft 2 in cabin 1, blade assembly includes the fixed blade 4 being fixed on the wheel hub 3, the fixed blade 4 with
Wheel hub 3 has a tie point 9, and the blade assembly further includes moving vane, is equipped with actuator, the wheel hub 3 in the wheel hub 3
It is equipped with rotation track, the actuator connects the moving vane and the moving vane is driven to move along the rotation track
It is dynamic；Line between the terminal of the rotation track and the tie point 9 is parallel to the shaft 2 and is arranged, the rotation track
Starting point and the tie point 9 be located on same circumference.
Structure/the working principle of the utility model is summarized as follows: under extreme weather conditions, actuator can drive activity
Blade collapses moving vane and fixed blade 4 together, so that the wind load of wind-driven generator is substantially reduced, Jin Erti
The safety of high wind-driven generator.
As can be seen from the above description, the utility model has the beneficial effects that: when the extreme weathers such as typhoon carry out interim, movable leaf
Piece can collapse together with fixed blade, and wind load is greatly lowered to reduce wind area, and then it is tired to reduce blade
Labor stress, conducive to the safety for improving wind-driven generator, meanwhile, the center of gravity of wind-driven generator entirety is reduced, allows wind-power electricity generation
Machine is more stable；In addition, when moving vane is located at the terminal of rotation track maintenance can be conveniently replaceable straight down.
Further, the quantity of the moving vane and the quantity of the rotation track are respectively N number of, and moving vane with
Rotation track is arranged in a one-to-one correspondence, and N is the integer more than or equal to 2.
Further, the quantity of the actuator is N number of, and actuator is arranged in a one-to-one correspondence with moving vane.
Seen from the above description, the quantity of moving vane can be for two, three, four, five or more, actuator
Quantity can for one or more, when the quantity of actuator be it is multiple when, preferably actuator is consistent with the quantity of moving vane
And it is arranged in a one-to-one correspondence；When the quantity of actuator is one, actuator can drive all moving vanes mobile simultaneously.
Further, the quantity of the moving vane is two, the starting point of the tie point 9 and two rotation tracks
It is uniformly arranged around the shaft 2.
Seen from the above description, moving vane and fixed blade, which are spaced around the shaft between 120 ° and two moving vanes, is also
It is spaced 120 ° around the shaft.Certainly, the quantity of moving vane can be with three, the between centers at this point, moving vane and fixed blade rotate
It is also to be spaced 90 ° around the shaft between 90 ° and two neighboring moving vane.
It further, further include controller, the controller is set on the wheel hub 3, in the cabin 1 or wind-power electricity generation
In the tower 10 of machine, the controller is electrically connected with the actuator.
Seen from the above description, controller is used to control the work of actuator.
It further, further include centralized control server, the centralized control server is electrically connected with the controller.
Seen from the above description, centralized control server includes computer, and centralized control server passes through wired or wireless
Communication modes to controller issue instruct, controller receive instruction after according to the instruction control actuator start and stop.Concentrate control
Control server can be electrically connected with more typhoon power generators simultaneously, i.e. the centralized control server control that is a wind power plant
Maincenter.
It further, further include wind speed acquisition device, the wind speed acquisition device is on the wheel hub 3, the cabin 1
In the upper or tower 10 of wind-driven generator, the wind speed acquisition device is electrically connected with the controller.
Seen from the above description, controller is according to the data control driving such as the collected wind speed of wind speed acquisition device, wind direction
The start and stop of part (i.e. control moving vane is opened or collapsed).
Embodiment one
Please refer to Fig. 1 to Fig. 5, the embodiments of the present invention one are as follows: as shown in Figures 1 to 4, a kind of wind-driven generator,
Including wheel hub 3, cabin 1 and blade assembly, wheel hub 3 is fixed in the shaft 2 of cabin 1, and blade assembly includes a fixed setting
Fixed blade 4 on the wheel hub 3, the fixed blade 4 have a tie point 9 with wheel hub 3, and the blade assembly further includes
Moving vane, the wheel hub 3 is interior to be equipped with actuator (not shown), and the wheel hub 3 is equipped with rotation track, the actuator connection
The moving vane simultaneously drives the moving vane to move along the rotation track；The terminal of the rotation track and the connection
Line between point 9 is parallel to the shaft 2 and is arranged, and the starting point of the rotation track and the tie point 9 are located at same circumference
On.Preferably, the tie point 9 is located at the lower end of the wheel hub 3.
The quantity of the moving vane and the quantity of the rotation track are respectively N number of, and moving vane and rotation track
It is arranged in a one-to-one correspondence, N is the integer more than or equal to 2.
The quantity of the actuator be it is N number of, actuator is arranged in a one-to-one correspondence with moving vane.
In the present embodiment, the quantity of the moving vane is two, of the tie point 9 and two rotation tracks
Point is uniformly arranged around the shaft 2.For ease of description, two moving vanes are referred to as the first rotatable vane 5 and
Two rotation tracks are referred to as the first track 7 and the second track 8 by two rotatable vanes 6, and the first rotatable vane 5 is set to
In first track 7, the second rotatable vane 6 is set in the second track 8, before the terminal of the first track 7 is located at the tie point 9
Side (left side of tie point 9 in Fig. 3), the terminal of the second track 8 are located at the rear of the tie point 9 (right side of tie point 9 in Fig. 3
Side).
Optionally, the terminal of the rotation track and starting point are respectively provided with the fixation machine of fixed moving vane position
Structure reduces actuator and is born so that moving vane can be stably fixed to the terminal point or starting point of rotation track
Stress, and then improve wind-driven generator structure stability.
Preferably, guiding mechanism is equipped in the rotation track, the guiding mechanism includes but is not limited to gear mechanism.
Install wind-driven generator further includes tower 10, and the cabin 1 is set to the top of the tower 10, the present embodiment
In, the tower 10 includes upper section tower, middle section tower and lower section tower.
Further, further include controller (not shown), the controller is set on the wheel hub 3, in the cabin 1 or
In tower 10, the controller is electrically connected with the actuator.It further include wind speed acquisition device (not shown), the wind speed acquisition
Device is set on the wheel hub 3, in the cabin 1 or in tower 10, and the wind speed acquisition device is electrically connected with the controller.
The field data that controller is acquired according to wind speed acquisition device automatically analyzes and controls the work of actuator.
It optionally, further include centralized control server (not shown), the centralized control server and controller electricity
Connection.The controller receives the instruction of centralized control server and carries out work according to the instruction that centralized control server issues
Make.
The wind-driven generator of the utility model both may be mounted at land or may be mounted at sea, incorporated by reference to Fig. 3 and
Fig. 5 is now illustrated with regard to the construction method of installation of offshore wind generating, specifically, including the following steps:
Step 1, impeller assembles, and blade assembly and wheel hub 3 is assembled, obtains impeller, wherein moving vane is located at rotation rail
The terminal in road；
Step 2, impeller and cabin 1 are assembled, and the assembled impeller of step 1 is bolted together with cabin 1, obtain partly at
Product, wherein the wheel hub 3 is fixedly connected with the shaft 2 of the cabin 1；
Step 3, tower 10 is lifted, the tower 10 of wind-driven generator is lifted using installation vessel 12, tower 10 is installed
On presetting pedestal 11 at sea；
Step 4, integral hoisting, using 12 integral hoisting step 2 gained semi-finished product of installation vessel, by obtained by step 2 half
Finished product is installed to the top of tower 10；
Step 5, leaf position is adjusted, the starting point of the rotation track is moved to by actuator driving moving vane；
Wherein, step 1 carries out on land or installation vessel 12；Step 2 carries out on land or installation vessel 12.
Further, include the steps that upper section tower, middle section tower and lower section tower carrying out assembly before step 3,
This step carries out on land or installation vessel 12.
Further, fixed blade 4 is equipped with cable wind rope 13, and step 4 further includes utilizing 13 set-up procedure of cable wind rope, 2 gained
The step of relative position between semi-finished product and tower 10 the step of (i.e. adjustment blower posture).By gained semi-finished product and tower 10
Between relative position adjust after, need to remove cable wind rope 13.
In conclusion wind-driven generator provided by the utility model, reduces wind-driven generator production consumptive material, reduces engineering
Cost；It ensure that the globality of blade of wind-driven generator, blade strength is guaranteed；Reduce wind area, in extreme weather feelings
Under condition, wind load will be substantially reduced；Moving vane collapse when, reduce wind-driven generator entirety center of gravity, allow wind-driven generator more
Stablize；Blade height is reduced, moment load and fatigue damage are reduced；Largely improve the safety of wind-driven generator；
When moving vane is located at the terminal of rotation track, maintenance can be conveniently replaceable straight down；Reduce Potential Working Time For Operation At Sea, mentions
High construction efficiency；Dedicated bulk transport ship is not needed, premise investment is saved.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck
Domain is also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of wind-driven generator, including wheel hub, cabin and blade assembly, wheel hub are fixed in the shaft of cabin, blade assembly
The fixed blade being fixed on the wheel hub including one, the fixed blade and wheel hub have a tie point, feature
Be: the blade assembly further includes moving vane, and actuator is equipped in the wheel hub, and the wheel hub is equipped with rotation track,
The actuator connects the moving vane and the moving vane is driven to move along the rotation track；The rotation track
Line between terminal and the tie point is parallel to the shaft setting, the starting point of the rotation track and the connection point
In on same circumference.
2. wind-driven generator according to claim 1, it is characterised in that: the quantity of the moving vane and the rotation rail
The quantity in road is respectively N number of, and moving vane is arranged in a one-to-one correspondence with rotation track, and N is the integer more than or equal to 2.
3. wind-driven generator according to claim 2, it is characterised in that: the quantity of the actuator be it is N number of, actuator with
Moving vane is arranged in a one-to-one correspondence.
4. wind-driven generator according to claim 2, it is characterised in that: the quantity of the moving vane is two, described
The starting point of tie point and two rotation tracks is uniformly arranged around the shaft.
5. wind-driven generator according to claim 1, it is characterised in that: further include controller, the controller is set to institute
It states on wheel hub, in the cabin or in the tower of wind-driven generator, the controller is electrically connected with the actuator.
6. wind-driven generator according to claim 5, it is characterised in that: further include centralized control server, the concentration
Control server is electrically connected with the controller.
7. wind-driven generator according to claim 5, it is characterised in that: further include wind speed acquisition device, the wind speed is adopted
Acquisition means are set on the wheel hub, in the cabin or in the tower of wind-driven generator, the wind speed acquisition device and the control
Device electrical connection processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820726068.1U CN208564845U (en) | 2018-05-16 | 2018-05-16 | A kind of wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820726068.1U CN208564845U (en) | 2018-05-16 | 2018-05-16 | A kind of wind-driven generator |
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| Publication Number | Publication Date |
|---|---|
| CN208564845U true CN208564845U (en) | 2019-03-01 |
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ID=65483272
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820726068.1U Active CN208564845U (en) | 2018-05-16 | 2018-05-16 | A kind of wind-driven generator |
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| CN (1) | CN208564845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708820A (en) * | 2018-05-16 | 2018-10-26 | 福建省新能海上风电研发中心有限公司 | A kind of wind-driven generator and its construction method of installation |
-
2018
- 2018-05-16 CN CN201820726068.1U patent/CN208564845U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708820A (en) * | 2018-05-16 | 2018-10-26 | 福建省新能海上风电研发中心有限公司 | A kind of wind-driven generator and its construction method of installation |
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