CN1707096A

CN1707096A - Wind power generation system

Info

Publication number: CN1707096A
Application number: CNA2005100117656A
Authority: CN
Inventors: 王庭义; 张玉林
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-05-23
Filing date: 2005-05-23
Publication date: 2005-12-14

Abstract

The new type of wind driven power generating system includes pedestal, support, cross beam, wind wheel and generator. It features the generator set in the bottom of the support, the cross beam fixed on the support via one rotating unit and with front wind wheel and back wind wheel on its two ends, the support with top wind wheel rotating in plane perpendicular to the shaft of the support, the driven ring unit concentric to rotation unit on the support or the pedestal and comprising one ring seat and one or several moving rings, and one set of connecting rods between the driven rotation unit and the cantilever, with each of the connecting rods being connected to one moving ring in one end and the cantilever in the other end. The present invention has the advantages of high electricity generating efficiency and other advantages.

Description

A kind of wind power generation system

Technical field

The present invention relates to wind generating unit, particularly a kind of novel wind-power generating system with three wind wheel drivings, mechanical transmission, generator underlying and torque resistant load-bearing high end fixing device.

Background technique

Energy crisis has become the bottleneck of contemporary society's economic development; the economic develop rapidly of entire society on the one hand; need to consume a large amount of energy; on the other hand; non-renewable resources such as traditional energy such as coal, oil are through long-term a large amount of excavations; presented and be about to consume exhausted tired attitude,, utilized existing renewable energy sources then more and more to cause people's attention how better, to greatest extent in order to address this problem.Wind energy is subjected to people's favor day by day as a kind of renewable energy sources of clean environment firendly.On the one hand, wind energy is almost ubiquitous, and special in a lot of regions, wind energy resources is extremely abundant.On the other hand, it is inexhaustible, without cease with it that wind energy can be described as, and utilizes wind energy power to provide a large amount of electric power for people, satisfies the needs of people's life or production.

Present wind power plant generally all is the two ends that a wind wheel and generator placed a crossbeam respectively, and crossbeam is arranged at a support device top or a top, and support device fixes by base and ground.Described wind wheel connects by transmission shaft and the generating of driving generator operation.

This existing wind generating unit is because every cover electricity generating device only includes a wind wheel and generator, and the torque of its output only is a moment of rotation that wind wheel is produced by wind-drive, and the generated energy that can produce is very little like this, and economic effect is unsatisfactory.Support device improves intensity and strengthens stability for the axial torsion that overcomes the gravity, the wind that come wind wheel and generator and crossbeam and cause and vertically around power, and strut is often done promptly heavyly greatly again.So waste material, improved cost, strengthened cost, increased the difficulty of transportation, installation and maintenance.

Summary of the invention

In order to overcome the above-mentioned defective that prior art exists, the present invention has designed a kind of novel not only had three wind wheel group structures of layering setting, the wind-power generating system that generator is placed in base but also has the fixing device that can improve support device intensity and rigidity.

Technical conceive of the present invention is: by top and top at support device three wind wheels are set, to improve the utilize degree of electricity generating device to wind energy; By generator being arranged at the support device base, reduce the strut load-bearing high end, strengthen stability; By the torque resistant load-bearing high end fixing device that wire rope or rigid rod connect is set between base and strut are high-end, overcome torsion and strengthen wind loading rating around power, alleviate support device weight and improve stability, reduce materials consumption and reduce cost.

Technological scheme of the present invention is as follows:

A kind of wind power generation system comprises base, strut, crossbeam, three wind wheels, generator, in order to transmission device and the wire rope or the connecting rod fixing device of input output torque.Described support fixation is in the base top, and described base and basis, ground fix, and described three wind wheels are divided into preceding wind wheel, back wind wheel and take turns against the wind.Described generator is arranged at the bottom of support, described crossbeam is fixed in the top of support by a whirligig, wind wheel and back wind wheel before the two ends of described crossbeam are respectively arranged with, the top of described strut is provided with the axially perpendicular of the plane of rotation of top wind wheel and this top wind wheel and support, described support or base are provided with the driven torus device concentric with described whirligig, described driven torus device comprises a ring seat, a driven torus, be provided with one group of wire rope or connecting rod between the high-end or cantilever arrangement of described driven torus and strut, described each wire rope or connecting rod one end are fixedlyed connected with driven torus, and the other end or cantilever arrangement high-end with strut fixedlyed connected.

Wind wheel and back wind wheel comprise blade, wind wheel hub and transmission shaft before described, three of each wind wheels of described blade, and fix, described blade by minor face and wind wheel hub be hexagonal angle be evenly arranged in the wind wheel hub around.Described wind wheel hub is a blade carrier, and it is connected with gear train by rotor shaft, can make circular movement with respect to overarm.Described rotor shaft one end and wind wheel hub are fixed, and the other end is fixedlyed connected with gear train one driving gear, and rotor shaft can rotate with respect to overarm, rotor shaft with hang oneself from a beam between by bearings.Described front and back wind wheel is made opposite direction and is rotated on same axis under wind-force promotes, wind wheel was rotated counterclockwise after even preceding wind wheel turned clockwise then, and the back wind wheel turns clockwise if preceding wind wheel is rotated counterclockwise then.

Described top wind wheel comprises blade, petiole, wind wheel hub and rotor shaft.Described blade is three concave surface hemispheres, and evenly is fixed on the wind wheel hub with mutual 120 ° by petiole respectively, and described petiole is in order to connect blade and wind wheel hub, and described wind wheel hub is a blade carrier, and it is connected with gear train by rotor shaft.Described rotor shaft one end is fixedlyed connected with the wind wheel hub, and the other end is fixedlyed connected with gear train one driving gear, and rotor shaft can rotate within strut and with respect to overarm.Between described rotor shaft and the strut by bearings.The described wheel against the wind under wind-force promotes made circular movement in the horizontal direction.

Described crossbeam is for being erected at strut upper lateral rigid cage, and this crossbeam can be made the horizontal plane circular movement with respect to strut, and crossbeam is as the support device of wind wheel.Be provided with connecting body on the crossbeam, as the fastening of high-end fixing device.

One group of bevel gearing of the common driving of described each wind wheel, described bevel gearing is that the angular wheel of four engagements is in twos formed, wherein three are connected with wind wheel by transmission shaft respectively and by the wind wheel input torque, drive another angular wheel jointly and export torque.

Described torque resistant load-bearing high end fixing device comprises wire rope or connecting rod, driven torus device.Described steel cord structure comprises the wire rope body, the connection set at wire rope body two ends and the wire rope tensioning means that is arranged on wire rope body one end.Connecting rod is the rigidity body of rod.One end of described wire rope or connecting rod be fastened on strut high-end or the overarm on connecting body, described each connecting body be uniformly distributed in one with the concentric annulus of crossbeam rotating center on, the wire rope or the connecting rod the other end are fastened on the driven torus of base, and wire rope or connecting rod can be more than three or three.Described ring seat is one to be set in strut bottom and to be fixed in base upper surface and the ring body concentric with described whirligig, described rotating ring is to have and the ring body of the suitable chamber groove of ring seat external frame or a section of ring body, described rotating ring is by described chamber groove and ring seat embedding mutually, and can be free to slide on ring seat.Be provided with ball between described rotating ring and the ring seat.

In the technical solution of the present invention, by on supporting, the top wind wheel being set and being provided with wind wheel at the crossbeam two ends, both can improve utilization, also can improve the wind energy utilization of same aspect, and make the usefulness of wind-power electricity generation improve greatly the wind energy in different heights space.

In addition, by the driven torus device is set between base and crossbeam, between driven torus and crossbeam, be connected with one group of wire rope or connecting rod, can effectively improve the force-bearing situation of whole supporting structure, improve the intensity and the rigidity that support, obviously improve the wind loading rating of whole device.And, can suitably reduce required size of support device and weight by the connecting rod structure is set, help economical with materials consumption and be lowered into.

By generator is arranged at support means bottom portion, on the one hand, the support device load of having avoided being placed on the crossbeam and being brought is big, unbalance stress, the balance of whole device and the defective of poor stability, on the other hand, increased the weight of support base, make the center of gravity of whole device move down, help improving the stability and the Safety performance of whole device, also improved the force-bearing situation of support device simultaneously.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the transmission structures schematic representation of four angular wheels.

Reference character lists as follows:

Wind wheel before the 1-wind wheel, 2-, wind wheel behind the 3-, the bowl-shape fan blade of 4-, the 5-petiole, 6-wind wheel hub, 7-upper support, blade before the 8-, wind wheel hub before the 9-, 10-front cross beam, blade behind the 11-, 12-after wind wheel hub, the 13-rear cross beam, the 14-sheath, 15-supports node, 16-connecting rod, 17-bar node, 18-supports, 19-generator, 20-base, the 21-ring seat, 22-rotating ring, 23-annular groove.

Embodiment

Come further technological scheme of the present invention to be described below in conjunction with accompanying drawing.

As shown in Figure 1.Strut 18 is fixed on the middle part of base 20, base 20 firm being connected with ground.Strut 18 tops connect upper support 7 and forward and backward

crossbeam

10,13 respectively by supporting node 15.Upper support 7 is connected with wind wheel hub 6, is evenly equipped with three petioles 5 on the wind wheel hub 6, and the other end of each petiole 5 is fixed with a hemispheric bowl-shape fan blade 4, and its male and fomale(M﹠F) is arranged by same sense of rotation.Described petiole 5 and bowl-shape fan blade 4 can also be set to more than three.When wind regime drives the rotation of bowl-shape fan blade, drive wind wheel hubs 6 by petiole 5 and rotate, and order about the transmission shaft that links to each other with wind wheel hub 6 and rotate and export torque.Described transmission shaft both can be arranged in the upper support 7, also can with upper support 7 as integrative-structure.So just make full use of the wind energy resources that the different heights position is contained, can increase exponentially the generated energy of wind energy, improved the production capacity of single cover generator set.

Front cross beam 10 ends are provided with wind wheel 2, and rear cross beam 13 ends are provided with wind wheel 3.Preceding wind wheel 2 is made up of preceding blade 8, preceding wind wheel hub 9, and preceding blade 8 is three long and narrow blades, and on the wind wheel hub 9, blade 8 was evenly arranged around preceding wind wheel hub 9 before each before its short end was fixed on, and its windward side is all arranged by same sense of rotation.Back wind wheel 3 is made up of back blade 11, after wind wheel hub 12.Its mode of structure is identical with preceding wind wheel 2, but the windward side of its blade is just in time opposite with preceding wind wheel 2, and promptly when wind direction was identical, the sense of rotation of preceding wind wheel 2 was opposite with back wind wheel 3.Before wind wheel 2 and back wind wheel 3 drive coupled transmission shaft respectively and rotate, described transmission shaft can be arranged in the forward and backward crossbeam, also can with relevant crossbeam as integrative-structure.

Support and be provided with the transmission device that one group of angular wheel is as shown in Figure 2 formed in the node 15, it is made up of four bevel gears, and engagement in twos, wherein three

bevel gears

701,1001,1301 are respectively by wind wheel 1, preceding wind wheel 2 and 3 drivings of back wind wheel and jointly to bevel gear 1801 transmitting torques, and the sick generator 19 that drives of bevel gear 1801 output torques generates electricity.Generator 19 places and supports 18 bottom.

Base 20 is provided with the driven torus device, the driven torus device includes ring seat 21,, rotating ring 22, the circumference side of ring seat 21 is provided with annular groove 23, and annular groove 23 is divided into ring seat and following ring seat two-part with ring seat 21, and rotating ring 22 has and the suitable chamber groove of last ring seat exterior contour, last ring seat is embedded in the chamber groove of rotating ring 22, be provided with ball between the lower wall of rotating ring 22 and the lower surface of last ring seat, by ball, rotating ring 22 can slide on ring seat 21 freely.Ring seat 21 also can be the annular groove around base 20 centers, below rotating ring 22, be provided with accordingly the axis of rolling suitable with this annular groove, the axis of rolling extends in this annular groove, and joins and freely rotate around annular groove by being arranged on rolling bearing on the axis of rolling and annular groove.For rigidity and the stability that increases the driven torus device, between each rotating ring section, connect successively with several rotating ring support arms 24 respectively.

Supporting 18 tops, be provided with connecting body 25 around supporting node 15, connecting body 25 can be to be fixed in body of rod frame structure on the cantilever by sheath 14, and each body of rod is connected by bar node 17, also can be and supports the tabular body that node 15 is connected with forward and backward crossbeam 10,15.Between connecting body 25 and rotating ring 22, be provided with one group of connecting rod 16.Connecting rod 16 generally should be no less than three, and for the balance of whole device, rotating ring 22 can be equally distributed several ring sections on ring seat 21 circumference, and its number is to be good more than three or three, and moving 22 also can be a complete ring body.Connecting rod 16 should be even or symmetrical with the tie point distribution of rotating ring 22, connecting rod 16 can vertically connect rotating ring 22 and connecting body 25, also can become skewed rotating ring 22 and the connecting body 25 of connecting successively, the symmetry of should trying one's best of arranging of connecting rod 16 is to avoid influencing the state of equilibrium of whole support device.

The above only is a preferred implementation of the present invention.Should be pointed out that for a person skilled in the art,, can also make a lot of distortion and improvement, but these distortion and improvement all will fall into protection scope of the present invention according to spirit of the present invention and essence.

Claims

1. wind power generation system, comprise base, strut, crossbeam, wind wheel and generator and in order to the transmission device of input output torque, described support fixation is in the base top, described base and basis, ground fix, it is characterized in that: described wind wheel is divided into preceding wind wheel, back wind wheel and against the wind the wheel, described generator is arranged at the bottom of support, described crossbeam is fixed in the top of support by a whirligig, wind wheel and back wind wheel before the two ends of described crossbeam are respectively arranged with, the top of described support is provided with the axially perpendicular of the plane of rotation of top wind wheel and this top wind wheel and support, described support or base are provided with the driven torus device concentric with described whirligig, described driven torus device comprises a ring seat, one or several rotating rings, be provided with one group of connecting rod between described driven torus device and the cantilever arrangement, described each connecting rod one end is fixedlyed connected with rotating ring, the other end is fixedlyed connected with cantilever arrangement.

2. a kind of wind power generation system as claimed in claim 1, it is characterized in that: wind wheel and back wind wheel comprise blade, wind wheel hub and transmission shaft before described, wherein blade is three, and fix by minor face and wind wheel hub, described blade be evenly arranged in the wind wheel hub around, and its windward side of the blade of front and back wind wheel is oppositely arranged, when wind is moving, and its switched in opposite.

3. a kind of wind power generation system as claimed in claim 2, it is characterized in that: described top wind wheel comprises blade, wind wheel hub and in order to connect the petiole of blade and wind wheel hub, described blade is three concave surface hemispheres, and evenly be fixed on the wind wheel hub by petiole respectively, and its male and fomale(M﹠F) is arranged by same sense of rotation.

4. a kind of wind power generation system as claimed in claim 3 is characterized in that: the semicircle blade pass of described each concave surface is crossed the wind wheel hub and is driven the rotor shaft rotation.

5. a kind of wind power generation system as claimed in claim 4, it is characterized in that: described ring seat is one to be set in strut bottom and to be fixed in base upper surface and the ring body concentric with described whirligig, described rotating ring is to have and the ring body of the suitable chamber groove of ring seat external frame or a section of ring body, described rotating ring is by described chamber groove and ring seat embedding mutually, and can on ring seat, be free to slide, be provided with ball between described rotating ring and the ring seat.

6. a kind of wind power generation system as claimed in claim 5, it is characterized in that: described transmission device is one group of bevel gearing, described bevel gearing is that the angular wheel of four engagements is in twos formed, wherein three are connected respectively with each wind wheel by transmission shaft respectively and by the wind wheel input torque, drive another angular wheel jointly and export torque.

7. a kind of wind power generation system as claimed in claim 6 is characterized in that: an end of wire rope or connecting rod can be fixed on the top or crossbeam of strut.Described crossbeam is provided with connecting body, and described each wire rope or connecting rod all are fixedly connected on this connecting body, and its tie point be uniformly distributed in one with the concentric annulus of crossbeam rotating center on.

8. a kind of wind power generation system as claimed in claim 7, it is characterized in that: the described rigidity body of rod or the steel cord structure of being fixedly connected as, described steel cord structure comprises the wire rope body, the connection set at wire rope body two ends and the wire rope tensioning means that is arranged on wire rope body one or both ends.