CN111140429A - Wind wheel device of double-vertical-axis wind driven generator - Google Patents

Wind wheel device of double-vertical-axis wind driven generator Download PDF

Info

Publication number
CN111140429A
CN111140429A CN201911353062.XA CN201911353062A CN111140429A CN 111140429 A CN111140429 A CN 111140429A CN 201911353062 A CN201911353062 A CN 201911353062A CN 111140429 A CN111140429 A CN 111140429A
Authority
CN
China
Prior art keywords
blade
transmission
fixing frame
wheel device
belt
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.)
Pending
Application number
CN201911353062.XA
Other languages
Chinese (zh)
Inventor
王锦鸿
马明旭
张翼鹏
刘苹元
李昊璋
陈剑波
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.)
Northeastern University China
Original Assignee
Northeastern University China
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 Northeastern University China filed Critical Northeastern University China
Priority to CN201911353062.XA priority Critical patent/CN111140429A/en
Publication of CN111140429A publication Critical patent/CN111140429A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • F03D3/062—Rotors characterised by their construction elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)

Abstract

The invention belongs to the technical field of wind driven generators, and particularly relates to a wind wheel device of a double-vertical-axis wind driven generator. This wind wheel device includes: the transmission mechanism is detachably and fixedly connected with the two ends of the transmission shaft; the transmission mechanism comprises a transmission gear, a transmission belt and blades; the edge of the transmission gear is in matched transmission with the transmission belt; the blades are fixedly connected with the transmission belt. The wind wheel device adopts a double-vertical-shaft structure, reduces the starting resistance moment, improves the wind energy utilization rate, and is detachable and convenient to carry.

Description

Wind wheel device of double-vertical-axis wind driven generator
Technical Field
The invention belongs to the technical field of wind driven generators, and particularly relates to a wind wheel device of a double-vertical-axis wind driven generator.
Background
Wind power generators are currently classified into two types, horizontal axis and vertical axis. In the wind driven generator, the available wind energy is the wind energy in the wind speed section between the cut-in wind speed and the shutdown wind speed, the wind energy in the range is the effective wind energy, and the utilization amount of the effective wind energy can be increased by reducing the start-up wind speed and the cut-in wind speed. Under the same wind speed, the utilization rate of effective wind energy can be increased by improving the output power.
Traditional aerogenerator is mostly horizontal axis wind generating set, and the starting resistance moment is big (starting wind speed 2.5 ~ 5m/s), and is low to the utilization ratio of wind energy, and wind energy loss is big. Meanwhile, the cost and the maintenance cost of the horizontal axis wind generating set are high, the site limitation is large, and the control is complex and difficult.
Vertical axis wind turbines have been used in wind turbines because they do not require a yaw system. However, the current vertical axis wind turbine is difficult to be started autonomously, and the overall efficiency is low. Meanwhile, wind wheel devices in the existing vertical axis wind driven generator are all fixed, are inconvenient to carry and are not suitable for emergency situations.
Disclosure of Invention
Technical problem to be solved
Aiming at the existing technical problems, the invention provides a wind wheel device of a double-vertical-axis wind driven generator, which adopts a double-vertical-axis structure, reduces the starting resistance moment, improves the wind energy utilization rate, and is detachable and convenient to carry.
(II) technical scheme
The invention provides a wind wheel device of a double-vertical-axis wind driven generator, which comprises: the transmission mechanism is detachably and fixedly connected with two ends of the transmission shaft, and a connecting piece for connecting a generator is arranged in the transmission shaft;
the transmission mechanism comprises a transmission gear, a transmission belt and blades;
the edge of the transmission gear is in matched transmission with the transmission belt;
the blade is detachably and fixedly connected with the transmission belt.
Furthermore, the transmission mechanism further comprises a fixing frame, and the blades are detachably and fixedly connected with the transmission belt through the fixing frame.
Furthermore, the transmission belt is provided with a transmission belt inner groove, and the transmission belt inner groove is meshed with the transmission gear.
Furthermore, the transmission belt is also provided with a transmission belt side groove, and one end of the fixing frame is provided with a fixing frame second boss detachably fastened with the transmission belt side groove.
Further, the both ends of blade along length direction all are provided with the blade boss, the other end of mount is provided with the mount inside groove with blade boss detachably lock joint.
Furthermore, a blade buckle is arranged above the blade boss, and a fixing frame buckle groove detachably buckled with the blade buckle is arranged below the fixing frame inner groove.
Further, the blade boss and the blade buckle are integrated or bonded.
Furthermore, the cross section of each blade is square, and the edge of each blade is bent into a circular arc.
The invention also provides a wind driven generator, which comprises the wind wheel device and the generator of the double-vertical-axis wind driven generator.
(III) advantageous effects
(1) The wind wheel device adopts a double-vertical-shaft structure, so that the swept area of the wind driven generator is increased, the starting resistance moment is reduced, and the wind energy utilization rate is improved.
(2) The wind wheel device is detachable, easy to assemble and convenient to carry, and can be suitable for various emergency situations.
(3) The invention adopts a special driving belt provided with side grooves and inner grooves to replace gears, thereby reducing the cost.
Drawings
Fig. 1 is an overall schematic view of a rotor assembly of a dual vertical axis wind turbine provided in accordance with the present invention;
FIG. 2 is a general schematic view of a blade according to the present invention;
FIG. 3 is an enlarged partial view of the tip of a blade according to the present invention;
FIG. 4 is a side view of a blade of the present invention;
FIG. 5 is a schematic view of the fixing frame of the present invention;
fig. 6 is a cross-sectional view of the fixing frame of the present invention.
[ description of reference ]
1: a drive shaft; 2: a transmission gear; 3: a transmission belt; 4: a blade; 5: a fixed mount; 31: an inner groove of the transmission belt; 32: a drive belt side groove; 41: a blade boss; 42: blade buckling; 51: a fixed frame body; 52: a first boss of the fixing frame; 53: a second boss of the fixing frame; 54: rotating the page; 55: a fixing frame is buckled; 56: an internal groove of the fixing frame; 57: the fixing frame is provided with a clamping groove.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
The invention provides a wind wheel device of a double-vertical-axis wind driven generator, which is improved into a double-vertical-axis structure on the basis of the traditional Darue H-shaped vertical-axis wind driven generator, can reduce the starting resistance moment, increase the swept area of the wind driven generator and improve the wind energy utilization rate.
The wind wheel device comprises two vertically arranged transmission shafts 1 and two groups of transmission mechanisms, each group of transmission mechanisms are respectively arranged at two ends of each transmission shaft 1 and are fixedly connected with the transmission shafts 1 in a detachable mode, and connecting pieces used for connecting a generator are arranged inside the transmission shafts 1. Preferably, one of the two transmission shafts 1 can be a fixed shaft connected with a fixed object, and the other transmission shaft can be a force transmission shaft connected with a generator.
Each group of transmission mechanisms comprises a transmission gear 2, a transmission belt 3, blades 4 and a fixed frame 5. The transmission belt 3 is provided with a transmission belt inner groove 31 and a transmission belt side groove 32, teeth at the edge of the transmission gear 2 are embedded into the transmission belt inner groove 31, and teeth at the center of the transmission gear 2 are meshed with the transmission shaft 1 to play a role in supporting the whole wind driven generator and transmission torque.
Both ends of the blade 4 along the length direction are fixedly connected with the driving belt 3 in a detachable way through a fixing frame 5. The end of the blade 4 is provided with a blade boss 41, and the blade boss 41 and the blade 4 may be integrated or may be connected by bonding or fitting, which is not limited in the present invention. A blade catch 42 is provided above the blade boss 41, and the blade boss 41 and the blade catch 42 are integrated or the blade boss 41 and the blade catch 42 are bonded. The cross section of the blade 4 is square, and the edge is bent into a circular arc shape, so that the force in each wind direction can be received to the maximum extent.
The mount 5 includes mount body 51, and mount body 51 is the concave structure of both sides height difference, including bottom, first lateral part and second lateral part, and the height of first lateral part is higher than the second lateral part, and first lateral part and bottom can set up to the integration also can be connected through modes such as bonding, and the fixed connection can be dismantled through rotating page or leaf 54 to second lateral part and bottom, and it plays the effect that provides clearance, convenient to detach to rotate page or leaf 54 at the installation of blade 4 dismantlement in-process. The side surface of the top of the first side part is provided with a first boss 52 of the fixing frame, and the top of the first boss 52 of the fixing frame and the top of the first side part are on the same horizontal line. It is contemplated that the first projection 52 and the first side portion may be integrally formed, or may be connected by bonding or the like. The side surface of the second side portion is provided with a second boss 53 of the fixing frame, the second boss 53 of the fixing frame is arranged opposite to the first boss 52 of the fixing frame, and a fixing frame fastener 55 is arranged above the second boss 53 of the fixing frame.
The fixing frame 5 is fastened to a side of the transmission belt 3 close to the transmission gear 2 (i.e. a side provided with the belt inner groove 31) through the fixing frame first boss 52, and is used for fixing the thickness of the transmission belt 3. Meanwhile, the fixing frame 5 is also fastened with the transmission belt side groove 32 through the fixing frame second boss 53, and the fixing frame fastener 55 plays a role in reinforcing the fastening of the fixing frame second boss 53 and the transmission belt side groove 32.
Furthermore, the inside of the first side portion is further provided with a fixing frame inner groove 56 and a fixing frame buckling groove 57, the fixing frame inner groove 56 is buckled with the blade boss 41 to play a role in fixing the blade 4, and the fixing frame buckling groove 57 is buckled with the blade buckle 42 to play a role in reinforcing the blade 4. Preferably, the fastening of the fixing frame inner groove 56 and the blade boss 41 and the fastening of the fixing frame fastening groove 57 and the blade fastener 42 are fastened by adopting a large gap, so that the blade 4 is convenient to detach.
In summary, the number of belt inner grooves 31 is set according to the number of teeth on the edge of the transmission gear 2, and the number of belt side grooves 32 is set according to the number of blades 4.
The invention also provides a wind driven generator which comprises the wind wheel device of the double-vertical-axis wind driven generator and a generator.
Principle of operation
The blades 4 receive wind power from different directions, and when the starting wind speed is reached, thrust is formed to drive the transmission belt 3 to rotate, so that torque is formed. The transmission belt 3 drives the transmission gear 2 to rotate through the matching of the transmission belt inner groove 31 and the transmission gear 2, and the transmission gear 2 is in meshing transmission with the transmission shaft 1. The transmission shaft 1 is connected with a generator, so that wind energy is converted into mechanical energy and then into electric energy to generate electricity.
The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the present invention and should not be construed as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive efforts, which shall fall within the scope of the present invention.

Claims (9)

1. A wind wheel device of a double vertical axis wind turbine is characterized by comprising: the generator comprises a transmission shaft (1) and a transmission mechanism, wherein two ends of the transmission shaft (1) are detachably and fixedly connected with the transmission mechanism, and a connecting piece for connecting a generator is arranged in the transmission shaft (1);
the transmission mechanism comprises a transmission gear (2), a transmission belt (3) and a blade (4);
the edge of the transmission gear (2) is in matched transmission with the transmission belt (3);
the blade (4) is detachably and fixedly connected with the transmission belt (3).
2. The wind wheel device of a double vertical axis wind turbine according to claim 1, wherein the transmission mechanism further comprises a fixing frame (5), and the blades (4) are detachably and fixedly connected with the transmission belt (3) through the fixing frame (5).
3. The wind wheel device of the double vertical axis wind turbine as claimed in claim 2, wherein the belt (3) is provided with an inner belt groove (31), and the inner belt groove (31) is engaged with the transmission gear (2).
4. The wind wheel device of the double vertical axis wind turbine as claimed in claim 3, wherein the driving belt (3) is further provided with a driving belt side groove (32), and one end of the fixing frame (5) is provided with a fixing frame second boss (53) detachably fastened with the driving belt side groove (32).
5. The wind wheel device of the double vertical axis wind turbine according to claim 4, wherein both ends of the blade (4) along the length direction are provided with blade bosses (41), and the other end of the fixing frame (5) is provided with a fixing frame inner groove (56) detachably fastened with the blade bosses (41).
6. The wind wheel device of the double vertical axis wind turbine as claimed in claim 5, wherein a blade buckle (42) is disposed above the blade boss (41), and a fixing frame buckle groove (57) detachably buckled with the blade buckle (42) is disposed below the fixing frame inner groove (56).
7. The wind wheel device of a double vertical axis wind turbine according to claim 6, wherein the blade boss (41) is integrated with the blade catch (42) or the blade boss (41) is bonded with the blade catch (42).
8. The rotor assembly of a wind turbine according to claim 1, characterised in that the blades (4) have a square cross-section with rounded edges.
9. A wind power generator comprising a rotor assembly and a generator of a dual vertical axis wind power generator according to any of claims 1-8.
CN201911353062.XA 2019-12-25 2019-12-25 Wind wheel device of double-vertical-axis wind driven generator Pending CN111140429A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911353062.XA CN111140429A (en) 2019-12-25 2019-12-25 Wind wheel device of double-vertical-axis wind driven generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911353062.XA CN111140429A (en) 2019-12-25 2019-12-25 Wind wheel device of double-vertical-axis wind driven generator

Publications (1)

Publication Number Publication Date
CN111140429A true CN111140429A (en) 2020-05-12

Family

ID=70519845

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911353062.XA Pending CN111140429A (en) 2019-12-25 2019-12-25 Wind wheel device of double-vertical-axis wind driven generator

Country Status (1)

Country Link
CN (1) CN111140429A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112855406A (en) * 2021-01-20 2021-05-28 西安交通大学 Lift-drag combined double-chain type water turbine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19841517A1 (en) * 1998-09-10 2000-03-30 Nikolaus Wendel Wind-driven energy system for generating power has vanes fitted to endless belt to capture wind during all parts of cycle
SE0800953L (en) * 2007-04-25 2008-10-26 Ingvald Lie wind turbine
CN201339540Y (en) * 2009-01-20 2009-11-04 刘新广 Roadside newly-combined type pneumatic electricity generating device
CN202926526U (en) * 2012-11-30 2013-05-08 向靖 Stepped wind power generator
CN208281123U (en) * 2018-06-25 2018-12-25 天津轻工职业技术学院 A kind of high efficiency dynamic wind energy switching foil device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19841517A1 (en) * 1998-09-10 2000-03-30 Nikolaus Wendel Wind-driven energy system for generating power has vanes fitted to endless belt to capture wind during all parts of cycle
SE0800953L (en) * 2007-04-25 2008-10-26 Ingvald Lie wind turbine
CN201339540Y (en) * 2009-01-20 2009-11-04 刘新广 Roadside newly-combined type pneumatic electricity generating device
CN202926526U (en) * 2012-11-30 2013-05-08 向靖 Stepped wind power generator
CN208281123U (en) * 2018-06-25 2018-12-25 天津轻工职业技术学院 A kind of high efficiency dynamic wind energy switching foil device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112855406A (en) * 2021-01-20 2021-05-28 西安交通大学 Lift-drag combined double-chain type water turbine
CN112855406B (en) * 2021-01-20 2022-02-01 西安交通大学 Lift-drag combined double-chain type water turbine

Similar Documents

Publication Publication Date Title
EP1677004A2 (en) Wind turbine generator
WO2020156449A1 (en) Air compression-type vertical wind turbine generator set
CN103089553A (en) Articulated truss fixed variable pitch combined blade device
CN101050752A (en) Directly traction motor generation technology by double row reciprocating interlink fixed rail sweep vehicle
CN201956879U (en) Novel generating equipment
CN111140429A (en) Wind wheel device of double-vertical-axis wind driven generator
KR101180860B1 (en) Multi-power generating system using wind, solar, healthy
KR20130015687A (en) Buliding integrated wind power generator
CN201610824U (en) Wind turbine generator
EP1668247B1 (en) Bearing housing
CN201635926U (en) Device for vertical axis wind-driven generator device
CN102022276A (en) Combined micro-wind power generator unit
US8038400B2 (en) High-efficiency windmill
KR20110051397A (en) Turbine rotor for vertical wind turbine and vertical wind turbine system
CN202187859U (en) Vertical shaft wind power generator driven by double groups of wind rotors and integrated with building
CN211975288U (en) Fixing device for blade and wind wheel device comprising same
CN114352479A (en) Wind-heat light energy conversion and utilization integrated transformer combination device
CN210660434U (en) Tail rudder of wind driven generator
CN208996871U (en) A kind of vertical shaft, double wind wheel type wind-mill generator
CN111188726A (en) Novel horizontal shaft double-rotor wind driven generator
CN202023694U (en) Variable-pitch mechanism with telescopic rod of screw pair of fan
KR20130016155A (en) Turbine rotor for vertical wind turbine and vertical wind turbine system
CA2619006C (en) Windmill
CN210371011U (en) Novel horizontal shaft double-rotor wind driven generator
CN220470112U (en) Wind driven generator blade and wind driven generator system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20200512