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 PDF

Info

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
Authority
CN
China
Prior art keywords
sliding block
sleeve
energy buffer
vertical axis
main shaft
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.)
Withdrawn - After Issue
Application number
CN201821170939.2U
Other languages
Chinese (zh)
Inventor
张燕平
张宇超
陈曦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huazhong University of Science and Technology
Original Assignee
Huazhong University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huazhong University of Science and Technology filed Critical Huazhong University of Science and Technology
Priority to CN201821170939.2U priority Critical patent/CN208734475U/en
Application granted granted Critical
Publication of CN208734475U publication Critical patent/CN208734475U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/74Wind turbines with rotation axis perpendicular to the wind direction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Wind Motors (AREA)

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

A kind of H-type vertical axis windmill energy buffer device
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).
CN201821170939.2U 2018-07-24 2018-07-24 A kind of H-type vertical axis windmill energy buffer device Withdrawn - After Issue CN208734475U (en)

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

Country Status (1)

Country Link
CN (1) CN208734475U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN108678901A (en) A kind of H-type vertical axis windmill energy buffer device
CN108105034B (en) Vertical axis windmill suitable for typhoon
CN202628390U (en) Wind power generation device
CN101963139B (en) Lift-drag composite vertical axis wind generator
CN104329218A (en) Connecting rod transmitting folding blade vertical shaft impeller
CN208734475U (en) A kind of H-type vertical axis windmill energy buffer device
CN104329219B (en) Sistan fan propeller
CN106640518A (en) Resistance type vertical-axis wind turbine
CN103967701A (en) Lift-drag complementary type vertical axis breeze wind turbine
CN104533706A (en) Belt-driven folding blade type vertical axis fan impeller
CN104314752A (en) Low-speed startup and lift-drag interchangeable type blade vertical axis fan wind wheel system
CN106894948A (en) Based on bionic vertical axis windmill
CN204061045U (en) A kind of H axle double leaf group wind-driven generator and blade assembly thereof
CN201339543Y (en) Passive pitch-controlled wind-powered generator
CN104500329A (en) Vertical-shaft impeller with foldable blades on basis of fixture block mechanism
CN104481801A (en) Impeller of foldable-blade vertical shaft based on belt drive
CN106286126A (en) A kind of tower type aerogenerator
CN104595104B (en) Vertical shaft fan impeller with flexible vanes
CN209621519U (en) A kind of lift vertical shaft wind energy conversion system using full backward-swept blade
CN204253275U (en) Horizontal axis dual-rotor wind power generating device
CN203770018U (en) Horizontal-axis wind turbine with paddle-shaped blades and drum-type retractable wind wheel
CN209621520U (en) A kind of lift vertical shaft wind energy conversion system using local backward-swept blade
CN208900280U (en) A kind of enclosed is to cyclonic wind generating equipment
CN205936966U (en) Blade autogyration vertical axis aerogenerator
CN207470343U (en) A kind of wind power generation plant being easily installed

Legal Events

Date Code Title Description
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

AV01 Patent right actively abandoned

Granted publication date: 20190412

Effective date of abandoning: 20230929