CN208734475U - A kind of H-type vertical axis windmill energy buffer device - Google Patents
A kind of H-type vertical axis windmill energy buffer device Download PDFInfo
- Publication number
- CN208734475U CN208734475U CN201821170939.2U CN201821170939U CN208734475U CN 208734475 U CN208734475 U CN 208734475U CN 201821170939 U CN201821170939 U CN 201821170939U CN 208734475 U CN208734475 U CN 208734475U
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- China
- Prior art keywords
- sliding block
- sleeve
- energy buffer
- vertical axis
- main shaft
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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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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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
- 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 belongs to wind generating technology related fields, and disclose a kind of H-type vertical axis windmill energy buffer device, including energy buffer unit and centrifugal governor unit, wherein energy buffer unit includes being fitted into be installed on the sliding block that on horizontal support bar and can be slid along, and sliding block is connected by buffer spring with main shaft；Centrifugal governor unit includes the fixes sleeve being placed on main shaft, middle part sleeve and lower sleeve, wherein middle part sleeve and lower sleeve can be slided up and down with the flexible of centrifugation spring along main shaft；The lantern ring for being cased with weight couples with three sleeves respectively, and the baffle coupled with lantern ring is placed in sliding block outer end, limits the sliding block and slides to far from major axes orientation.The mutual conversion of sliding block and wind energy conversion system angular momentum can be realized by the utility model, maintain the stabilization of wind energy conversion system output power；And influence of the sliding block to wind energy conversion system starting performance is effectively prevent by centrifugal governor unit；It is simple because making simultaneously, it is low in cost and the advantages of be easily installed, there is wide applicability.
Description
Technical field
The utility model belongs to wind generating technology related fields, more particularly, to a kind of H-type vertical-shaft wind function
Measure buffer unit.
Background technique
By the end of year ends 2016, the renewable energy power generation installed capacity in China has reached 5.7 hundred million kilowatts, wherein wind-force
Capacity of installed generator is 1.49 hundred million kilowatts, accounts for the 9.0% of whole electric power installed capacitys, is a kind of important renewable energy power generation
Mode.At present in wind-power electricity generation, horizontal-shaft wind turbine technology mature occupies most of share on the market.But research knot
Fruit shows that vertical axis windmill more has superiority than horizontal-shaft wind turbine at many aspects, is that current wind power generation field is important
Developing direction.
Vertical axis windmill can be divided into shaft resistance type windmill and lift-type wind energy conversion system, wherein hindering according to force way difference
Power type wind energy conversion system is slow-speed of revolution type, and such as S type, lift generator is high rotary speed type, such as H-type and D type.Wherein H-type vertical shaft wind
The advantages that power machine has structure simple and convenient for installation and maintenance, is not necessarily to wind, and noise is small, and wind loading rating is strong, and property when low speed
Can be good, therefore using relatively broad in small-sized wind power generator.Although H-type vertical axis windmill has many advantages, such as, but still
There are some problems to be solved to hinder its development to mainstream model.Such as traditional H-type vertical axis windmill, due to its leaf
Sharp speed is larger, and revolving speed is larger with the variation fluctuation of wind speed, causes its output power stability poor, is unfavorable for wind-electricity integration, and
And the problem of being easy to appear repeatedly starting and stopping.
It is had been proposed in the prior art for the unstable problem of output power existing for H-type vertical axis windmill
Solution.Such as CN201010292326.8 discloses a kind of vertical axis windmill, is changed to the structure of fan blade
Into CN201310117771.4 discloses a kind of variable-pitch vertical-shaft wind turbine, carries out feather to blade using control system
Adjust etc..But the technology of the above method is complicated, therefore applicability is not strong for higher cost, is unfavorable for being widely applied.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of H-type vertical axis windmill
Energy buffer device, wherein specific structure to its key building block such as energy buffer unit and centrifugal governor unit etc. and its
The linguistic term of set-up mode, while targeted design is made again to its integral structure layout, accordingly guaranteeing that wind energy conversion system is defeated
The starting performance of wind energy conversion system can be effectively improved while power stability out, is therefore particularly suitable for various H-type vertical-shaft winds
The manufacture of machine and application.
To achieve the above object, the utility model proposes a kind of H-type vertical axis windmill energy buffer device, features
It is, including energy buffer unit and centrifugal governor unit, in which:
The energy buffer unit includes being fitted into be installed on horizontal support bar and can slide along described horizontal support bar or so
Dynamic sliding block, the sliding block are connected by buffer spring with main shaft；
The centrifugal governor unit includes the sleeve that three outsides are placed on the main shaft, and along the main shaft by upper
Fixes sleeve, middle part sleeve and lower sleeve are followed successively by under, wherein the middle part sleeve and the lower sleeve can be with centrifugations
The flexible of spring is slided up and down along the main shaft；Be cased with weight lantern ring pass through respectively connecting rod and the fixes sleeve and it is described under
The connection of end cap cylinder, the lantern ring are coupled by the centrifugation spring with the middle part sleeve；The baffle coupled with the lantern ring is placed in
The sliding block outer end, and limit the sliding block and slided along the horizontal support bar to far from the major axes orientation；When blower starts, institute
It states baffle and avoids influence to the wind energy conversion system starting performance by limiting the sliding of the sliding block, after wind speed raising on the baffle
It increases in the sliding block, the freely slidable realization energy snubber effect of the sliding block.
As it is further preferred that the buffer spring is preferably two.
As it is further preferred that identical as the length of connecting rod that the fixes sleeve and the lower sleeve couple, and
The middle part sleeve is located at the middle position of the fixes sleeve He the lower sleeve.
As it is further preferred that the lantern ring is made of five small rings, wherein most intermediate small ring and the baffle join
It connects, the small ring of four additional couples with the connecting rod, and the small ring can relatively rotate using the weight as axis.
As it is further preferred that the quality of the weight is less than the quality of the sliding block.
In general, mainly have the above technical solutions conceived by the present invention are compared with the prior art, with
Under technological merit:
1. the utility model can using the mutual conversion of sliding block and wind energy conversion system angular momentum by setting energy buffer unit
Reduce its influence to wind energy conversion system revolving speed under conditions of wind speed variation, maintains the stabilization of wind energy conversion system output power；
2. in addition, the utility model can effectively prevent sliding block when wind energy conversion system starts by the way that centrifugal governor unit is arranged
Sliding influences the starting performance of wind energy conversion system；
3. simultaneously, the utility model only increases energy buffer device in wind-force pusher side, therefore has production simply, at low cost
It is honest and clean and the advantages of be easily installed, it can be used for various types of H-type vertical axis windmills, there is wide applicability.
Detailed description of the invention
Fig. 1 is that is provided in the utility model embodiment be equipped with three leaves of H-type vertical axis windmill energy buffer device
The main view of piece H-type vertical axis windmill；
Fig. 2 is that is provided in the utility model embodiment be equipped with three leaves of H-type vertical axis windmill energy buffer device
The left view of piece H-type vertical axis windmill；
Fig. 3 is that is provided in the utility model embodiment be equipped with three leaves of H-type vertical axis windmill energy buffer device
The top view of piece H-type vertical axis windmill；
Fig. 4 a~4c is the energy snubber according to H-type vertical axis windmill energy buffer device constructed by the utility model
The three-view diagram of unit, wherein Fig. 4 a is the main view of the energy buffer unit, and Fig. 4 b is the left view of the energy buffer unit, figure
4c is the top view of the energy buffer unit；
Fig. 5 is the centrifugal governor unit according to H-type vertical axis windmill energy buffer device constructed by the utility model
Main view；
Fig. 6 is the centrifugal governor unit according to H-type vertical axis windmill energy buffer device constructed by the utility model
Left view；
Fig. 7 is the centrifugal governor unit according to H-type vertical axis windmill energy buffer device constructed by the utility model
Top view；
Fig. 8 a~8c is the centrifugal governor according to H-type vertical axis windmill energy buffer device constructed by the utility model
The three-view diagram of weight, wherein Fig. 8 a is the main view of the weight, and Fig. 8 b is the left view of the weight, and Fig. 8 c is the vertical view of the weight
Figure.
In all the appended drawings, identical appended drawing reference is used to indicate identical original part or structure, in which:
1- fixes sleeve；Sleeve in the middle part of 2-；3- lower sleeve；4- is centrifuged spring；5- connecting rod；6- lantern ring；7- baffle；8-
Weight；9- horizontal support bar；10- main shaft；11- sliding block；12- buffer spring；13- blade.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
Fig. 1, Fig. 2 and Fig. 3 are that the H-type vertical axis windmill energy snubber that is equipped with provided in the utility model embodiment fills
The structural schematic diagram for the three blade H-type vertical axis windmills set, as shown in Figure 1, Figure 2 and shown in Fig. 3, H-type provided by the utility model
Vertical axis windmill energy buffer device, which is characterized in that including energy buffer unit and centrifugal governor unit, in which:
The energy buffer unit includes chimeric is installed on horizontal support bar 9 and can be along the horizontal support bar 9 or so
The sliding block 11 of sliding, the sliding block 11 are connected by buffer spring 12 with main shaft 10；
The centrifugal governor unit includes three sleeves being placed on the main shaft 10, is arrived along the main shaft 10 from above
Under be followed successively by fixes sleeve 1, middle part sleeve 2 and lower sleeve 3, wherein the middle part sleeve 2 and the lower sleeve 3 can with from
The flexible of heart spring 4 is slided up and down along the main shaft 10；The lantern ring 6 of weight 8 is cased with respectively by connecting rod 5 and the fixes sleeve
1 and the lower sleeve 3 couple, which is coupled with the middle part sleeve 2 by the centrifugation spring 4；With the lantern ring 6
The baffle 7 of connection is placed in 11 outer end of sliding block, limits the sliding block 11 along the horizontal support bar 9 to far from 10 side of main shaft
To sliding；
Further, as shown in Figure 4 a ~ 4c, the buffer spring 12 is preferably two.
It is further, as shown in figure 5, identical as 5 length of connecting rod that the fixes sleeve 1 and the lower sleeve 3 couple,
And the middle part sleeve 2 is located at the middle position of the fixes sleeve 1 and the lower sleeve 3.
Further, as shown in Fig. 5, Fig. 6 and Fig. 7, the lantern ring 6 is made of 5 small rings, wherein most intermediate small ring with
The baffle 7 couples, and the small ring of four additional couple with the connecting rod 5, the small ring can the weight 8 be that axis occurs relatively turn
It is dynamic.
Further, the quality of the weight 8 is less than the quality of the sliding block 11, the shape of the weight 8 such as Fig. 8 a, Fig. 8 b
With shown in Fig. 8 c.
The working principle of energy buffer unit is described in detail below:
Described 9 one end of horizontal support bar couples with blade 13, and the other end couples with the main shaft 10；When wind speed is stablized,
The sliding block 11 is in equilbrium position by the effect of 12 pulling force of itself centrifugal force and the buffer spring；When wind speed changes
When, the centrifugal force size of the sliding block 11 changes, and the sliding block 11 is in 12 pulling force of itself centrifugal force and the buffer spring
It is subjected to displacement under effect, the angular momentum of the angular momentum and wind energy conversion system of realizing the sliding block is mutually converted；It is fixed according to the conservation of angular momentum
Rule, when wind speed rises, centrifugal force increase causes the sliding block 11 to, the angular momentum increasing of the sliding block 11 mobile far from major axes orientation
Add the rising for inhibiting wind energy conversion system revolving speed；When wind speed decreased, centrifugal force reduction causes the sliding block 11 to close to major axes orientation
Mobile, the angular momentum of the sliding block 11 reduces to inhibit the decline of wind energy conversion system revolving speed；Pass through the angular momentum and wind energy conversion system of sliding block
The mutual conversion of angular momentum guarantee the stability of wind energy conversion system revolving speed and output power.
The working principle of centrifugal governor unit is described in detail below:
When wind energy conversion system is static, the centrifugal governor unit and the sliding block 11 are in initial position and the centrifugation spring
4 are in initial length, and the block 7 is just vertically arranged in 11 outer end of sliding block；When wind energy conversion system starts, which limits described
Sliding block 11 is slided along the horizontal support bar to far from 10 direction of main shaft, and the energy buffer unit is avoided to influence wind-force
The starting performance of machine；When wind energy conversion system revolving speed is gradually increasing, the centrifugation spring 4 is extended by the effect of 8 centrifugal force of weight
And the lantern ring 6, middle part sleeve 2 and lower sleeve 3 is driven to rise；When wind energy conversion system reaches certain revolving speed, the block 7 is higher than
When the sliding block 11, the energy buffer unit plays energy snubber effect.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of H-type vertical axis windmill energy buffer device, which is characterized in that including energy buffer unit and centrifugal governor list
Member, in which:
The energy buffer unit includes being fitted into be installed on horizontal support bar (9) and can control along the horizontal support bar (9)
The sliding block (11) of sliding, the sliding block (11) are connected by buffer spring (12) with the main shaft (10) being arranged along the vertical direction；
The centrifugal governor unit is placed on the sleeve on the main shaft (10) including three outsides, and along the main shaft (10)
It is followed successively by fixes sleeve (1), middle part sleeve (2) and lower sleeve (3) from top to bottom, wherein the middle part sleeve (2) and described
Lower sleeve (3) can be slided up and down with the flexible of centrifugation spring (4) along the main shaft (10)；It is cased with the lantern ring (6) point of weight (8)
Not Tong Guo connecting rod (5) couple with the fixes sleeve (1) and the lower sleeve (3), which passes through the centrifugation spring
(4) couple with the middle part sleeve (2)；The baffle (7) coupled with the lantern ring (6) is placed in the sliding block (11) outer end, and limits
It makes the sliding block (11) and is slided along the horizontal support bar (9) to far from the main shaft (10) direction.
2. H-type vertical axis windmill energy buffer device as described in claim 1, which is characterized in that the buffer spring
(12) two are set as.
3. H-type vertical axis windmill energy buffer device as claimed in claim 1 or 2, which is characterized in that with the fixing sleeve
Cylinder (1) is identical with connecting rod (5) length that the lower sleeve (3) couples, and the middle part sleeve (2) is located at the fixes sleeve
(1) and the middle position of the lower sleeve (3).
4. H-type vertical axis windmill energy buffer device as claimed in claim 3, which is characterized in that the lantern ring (6) is by five
A small ring composition, wherein most intermediate small ring couples with the baffle (7), the small ring of four additional couples with the connecting rod (5), institute
Stating small ring can be relatively rotated with the weight (8) for axis.
5. H-type vertical axis windmill energy buffer device as claimed in claim 4, which is characterized in that the matter of the weight (8)
Amount is less than the quality of the sliding block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821170939.2U CN208734475U (en) | 2018-07-24 | 2018-07-24 | A kind of H-type vertical axis windmill energy buffer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821170939.2U CN208734475U (en) | 2018-07-24 | 2018-07-24 | A kind of H-type vertical axis windmill energy buffer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208734475U true CN208734475U (en) | 2019-04-12 |
Family
ID=66026701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821170939.2U Withdrawn - After Issue CN208734475U (en) | 2018-07-24 | 2018-07-24 | A kind of H-type vertical axis windmill energy buffer device |
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| Country | Link |
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| CN (1) | CN208734475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678901A (en) * | 2018-07-24 | 2018-10-19 | 华中科技大学 | A kind of H-type vertical axis windmill energy buffer device |
-
2018
- 2018-07-24 CN CN201821170939.2U patent/CN208734475U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678901A (en) * | 2018-07-24 | 2018-10-19 | 华中科技大学 | A kind of H-type vertical axis windmill energy buffer device |
| CN108678901B (en) * | 2018-07-24 | 2023-09-29 | 华中科技大学 | Energy buffer device of H-shaped vertical axis wind turbine |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190412 Effective date of abandoning: 20230929 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190412 Effective date of abandoning: 20230929 |