KR101685098B1

KR101685098B1 - A Wind Turbine

Info

Publication number: KR101685098B1
Application number: KR1020150135571A
Authority: KR
Inventors: 정영춘; 정대원
Original assignee: 정영춘; 정대원
Priority date: 2015-09-24
Filing date: 2015-09-24
Publication date: 2016-12-09

Abstract

The present invention relates to a wind power generating device of a vertical axis method. The wind power generating device comprises: platings (50) radially arranged at constant intervals and curved to efficiently respond to ascending of an air current; and a blade (40) enabling a plurality of ribs (30) to be spaced from and coupled to each other at constant intervals to be radially extended from the rib (30) to couple an edge of one vertical end of the plating (50) to a rotational shaft (20) of a vertically arranged generator. Moreover, the other end of the plating (50) is inserted to be fixated to the rib (30).

Description

A Wind Turbine

The present invention relates to a wind turbine generator, more particularly, to a vertical turbine wind turbine generator having a curving-type flitting that is radially equidistant and reacts efficiently to the rise of an air stream, A plurality of ribs are spaced apart from each other at regular intervals and radially extended from the ribs to form blades for coupling the edges of the vertical ends of the flittings and the other end of the flitting is fitted to the ribs to securely fix the blades. .

A wind power generator is a device that is used to generate electric power by combining a rotating shaft rotating with the force of wind and a generator with a rotating shaft.

The wind turbine generator is generally divided into a horizontal axis wind turbine and a vertical axis wind turbine. The horizontal axis is mainly used as a propeller type, The power generation efficiency is relatively high by using the rotor composed of the used blades, but it is necessary to change the direction of the rotor according to the wind direction and to change the angle of the blades according to the intensity of the wind. .

When the horizontal axis is used, the axis of the rotor is located at least higher than the radius of the rotor. Therefore, in order to connect the rotor shaft located at a high place with the generator, the generator is installed at the same height as the rotor shaft, There is a risk that mechanical damage may occur due to strong winds, and maintenance and repair are not easy.

On the other hand, in the case of the vertical type, there are Darrius Rotor which uses wind lift and Savonius Rotor which uses drag force of wind, but in the case of Darius type, the output of the generator is weak, And a supplementary one-rotation power unit is required. In the case of the Sovonius equation, since the rotation speed can not be higher than the wind speed due to the use of the drag force of the wind, the rotation speed of the rotation shaft is limited, It is mainly used as a wind power generator.

Therefore, much research has been done recently to overcome low efficiency, which is a weak point of vertical type. For example, research and development have been actively carried out to improve the efficiency of the wind power generation system by improving the design, structure or assembly method of the blades, or improving the way of attaching the support structure and the blades.

Such a vertical axis wind turbine is suitable for power generation and is mainly suitable for temporary facilities, and its basic structure has already been known.

The basic structure includes at least a generator, a rotating shaft in the vertical direction for rotating the generator, a radially conical blade extending outwardly at a preferably right angle from the rotating shaft, a rib for fixing the blade to the rotating shaft, These direct-acting blades combine flitting.

The flitting is mainly twisted from the lower part to the upper part so as to be twisted in a reverse direction with respect to the rotation direction of the rotary shaft of the generator.

The problem that arises in this known technique is to design a mass balance between ribs and blade assemblies so that eccentricity does not occur on the rotary axis with respect to rotation. To solve such eccentricity problems, Or formed in a plurality of three directions.

However, according to the related art, since the fastening structure of the flitting which is twisted and fixedly coupled between the rib and the blade is simply a bolt connection, the flitting formed by the thin plate material is caused by the constant wind force to separate and deform the fixed region, There is a disadvantage that eccentricity occurs or the rotating shaft rotation efficiency is lowered because the balance is lost.

Further, when the flitting is twisted, the bolt is fastened to the surface of the rib, and it is difficult to maintain the bolt fastening position due to the torsional elasticity, which makes the assembling work difficult.

In addition, since the blade and the rib are integrally formed or fastened with the vertical through bolt, it is difficult to separate the blade from the rib at the time of maintenance work.

KR 1470605 B1 KR 1463647 B1 KR 1092711 B1

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and it is an object of the present invention to solve the following problems.

The present invention improves the structure of the ribs, fixes one end of the flitting to one end of the ribs, and then bolts tightly to provide a structurally robust wind power generator.

The present invention improves the structure of ribs to prevent ribs and blades from being generated by the wind pressure that keeps the blades that are radially and conformably coupled to the ribs in a wedge shape, thereby increasing rotation efficiency of the rotating shaft and maintaining mass balance And to provide a wind turbine generator.

The present invention is characterized in that the fastening operation of the flitting which is inserted in the arc shape between the rib and the blade and is twisted in the vertical direction is fastened by fastening the one end of the flitting to the groove of the one end of the rib, And to provide an improved wind power generator.

The present invention is characterized in that a dimple hole is formed in a lattice portion formed by crossing oblique lines and densely intersecting a flitting surface so as to enhance aerodynamic rotation efficiency and not to be mechanically deformed by wind force And to provide a wind power generator.

According to an aspect of the present invention, there is provided a generator assembly including a generator assembly for generating electricity by rotation of a rotor by wind power, a rotary shaft axially coupled to the rotor of the generator assembly and extending vertically and vertically, A rib formed by joining a plurality of ribs and a blade in such a manner as to form a twisted shape in a horizontal radial conformal manner from the ribs; and one end of the flitting and one end of the flitting are bolted to the rib and the blade.

The rib has a concave 120 ° concave groove formed in a body having a central shaft hole for engaging with a rotating shaft.

A protruded rib projecting horizontally radially in the same number as the recessed groove is provided between the recessed groove of the rib and the recessed groove, and the wedge groove is vertically cut on one surface of the protruded rib.

The blade has a wedge protruding at one end thereof and a rod having a flitting fastening hole formed at the other end thereof. The wedge of the blade is inserted into the wedge groove of the protruding rib and fastened with a fastening bolt.

And one end of the flitting is bolted to the groove of the rib and the other end of the other end opposite to the flating is fastened to the bolt hole of the end of the blade with a bolt.

The present invention having the above-described technical idea improves the structure of the ribs, fixes one end of the flitting to one end of the ribs, fixes the bolts tightly so that the coupling of the flitting is structurally robust and high in durability, , It is possible to prevent the clearance between the rib and the blade due to the wind pressure which is maintained by the wedge-shaped blade. Therefore, the rotation efficiency of the rotary shaft can be improved and the mass balance can be maintained as designed. By fastening the one end of the flitting to the groove of the one end of the rib, the positioning operation can be easily performed, and the assembling workability is greatly improved, so that the productivity can be improved.

The present invention also relates to a method of forming a dimple hole in a grid portion formed by crossing oblique lines and densely intersecting a flitting surface and mechanically deforming the wind force by increasing the rotation efficiency of the dimple hole aerodynamically It is an inventor having various excellent effects such as making a wind power generation device robust.

The present invention has a great effect that durability can be improved and manufacturing work can be simplified and convenient, in a publicly known vertical axis wind power generator in which a flitting is twisted to a vertical rotation axis and supported by a plurality of blades.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of a wind turbine generator to which the present invention is applied. FIG.
FIG. 2 is a perspective view showing a rib assembly showing a configuration of the present invention; FIG.
FIG. 3 is a perspective view of the rib assembly shown in FIG. 2 in a state in which the blade is disassembled. FIG.
4 is a planar view showing the development of the lighting of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

The present invention relates to a generator assembly (10) for generating electricity by rotating a rotor by wind power, a rotary shaft (20) axially coupled to the rotor of the generator assembly and extending vertically and long, A plurality of ribs 30 are formed on the ribs 30 and the blades 40 so as to form a plurality of ribs 30 in the form of an extended linear twist with the adjacent ribs by joining a plurality of ribs with a plurality of ribs in a horizontal radial direction, 50 are bolted to each other.

The rib 30 is formed by forming a vertically incised concave groove 33 having an angle of 120 ° with a body 31 having a central shaft hole 32 to be engaged with the rotary shaft 20, 33 and the recessed grooves are provided with protruding ribs 34 protruding horizontally radially in the same number as the recessed grooves, and the wedge recesses 35 are vertically cut on one surface of the protruding ribs.

The body on both sides of the grooved groove formed with the groove 33 is formed with an extended portion 37a which is elongated on one side close to the rotating direction and an extended portion 37b which is formed on the opposite side by a relatively short length.

The body has a through hole 36 penetrating from the outside to the central shaft hole 32 and a through hole 36a on the side of the extending portion 37a and a through hole 36b on the side of the protruding rib 34. [ Respectively.

The blade 40 has a wedge 41 at one end and a through hole 46b at the rear end of the wedge. The other end of the wedge 41 has a flitting fastening hole 46 formed therein. 41 are fitted into the wedge grooves 35 of the protruding ribs 34 and are fastened with fastening bolts.

The dimple hole 55 is formed in a portion of the grating 53 which is formed by crossing obliquely wrinkles and densely forming an oblique line 51 crossing the surface. And a bolt through hole is drilled in both edges of the vertical direction so that the one end edge of the flitting 50 is inserted into the concave groove 33 of the rib 30 and the bolt is fastened to the fastening hole 36a, Is fastened to the fastening hole 46 of the end of the blade 40 with a bolt.

Since the blade 40 is tilted in the direction of air movement for smooth up-and-down movement of the working wind, or various deformation such as a circular or conical shape in cross section corresponds to well-known technical means, the blade 40 is not particularly limited, Is shown and explained as a conical bar with an incorrect cross section.

The conical rod is configured to induce airflow by increasing the cross-sectional area in the air inlet direction and minimizing the cross-sectional area in the air outlet direction.

The operation of the present invention as described above will be described in more detail.

As is well known, a vertical axis wind power generator is installed by fixing the generator assembly 10 to the ground (or an installation surface) at the lowermost part. When the wind pressure acts on the recessed arc part of the plurality of flys 50, The airflow ascends and flows out while rotating the fluting 50 by the air flow rate, and the rotor of the generator assembly connected to the rotary shaft generates power because the rotary shaft 20 rotates while continuously repeating the apparatus.

The wind turbine generator that generates electricity as described above is mainly installed in the outdoors to receive wind power.

The mechanical fatigue is increased in the case of strong wind pressure and outdoor conditions. The flying (50) is made of a lightweight material for rotating material, so that deformation of the edge portion and generation of clearance at the joint portion are frequent, The flange 50 is firmly held by the extension portions 37a and 37b by fitting the groove 50 of the rib 30 into the concave groove 33 so that deformation and breakage are prevented and in particular, The support surface with the edge of the fluting 50 can be secured by the protrusion 37a, thereby preventing the early flipping of the flitting.

The blade 40 supporting the edge of the other side of the fluting 50 also forms a wedge 41 that fits into the augering groove 35 of the protruding rib 34 protruding from the rib 30 As the wedge is coupled, it acts to firmly support the horizontal pressure according to the wind pressure.

The fluting 50 can be made of a material such as a thin metal plate or a synthetic resin material, which is a lightweight structure and can maintain rigidity. Such a flitting may have a long and wide surface area in the vertical direction, Was very high.

Therefore, the flitting forming the oblique pleats 51 of the present invention provides a firmness against the wind pressure and by forming the dimple holes 55 in the grid 53 by the oblique pleats 51, So that the deformation of the thin plate material is prevented.

The present invention has the effect of minimizing the occurrence of faults when installed and operating in the outdoors, enabling efficient rotational motion, and enhancing power generation efficiency.

10: generator assembly 20:
30: rib 31: body
32: central shaft hole 33:
34: protruding rib 35: wedge groove
35, 36a, 36b, 46, 46b: fastening holes 37a, 37b:
40: blade 41: wedge
50: flitting 51: oblique crease
53: Grid 55: Dimple hole

Claims

A generator assembly (10) in which the rotor is rotated by wind power to generate electricity,
A rotary shaft 20 axially coupled to the rotor of the generator assembly and extending vertically;
A plurality of ribs 30 spaced apart from each other at right angles to the rotation axis,
A blade (40) having a plurality of ribs and a plurality of ribs joined to each other in a horizontal radial isosceles,
The rib 30 and the blade 40 are bolted to one end of the edge of the flitting 50,
The rib 30 is formed by forming a vertically incised concave groove 33 having an angle of 120 ° with a body 31 having a central shaft hole 32 to be engaged with the rotary shaft 20, 33 and the recessed grooves 33 are provided with protruding ribs 34 protruding horizontally radially in the same number as the recessed grooves, the wedge recesses 35 are vertically cut on one surface of the protruded ribs,
The body on both sides of the grooved groove formed with the groove 33 is formed of an extended portion 37a extending in one direction close to the rotating direction and an extended portion 37b formed in a relatively short length on the opposite side. A wind power generator.

The method according to claim 1,
The blade 40 has a wedge 41 at one end and a through hole 46b at the rear end of the wedge. The other end of the wedge 41 has a flitting fastening hole 46 formed therein. 41) is fitted in the wedge groove (35) of the protruding rib (34) and fastened with a fastening bolt.

The method according to claim 1,
The dimple hole 55 is formed in a portion of the grating 53 which is formed by crossing obliquely wrinkles and densely forming an oblique line 51 crossing the surface. And a bolt through hole is drilled in both edges of the vertical direction so that the one end edge of the flitting 50 is inserted into the concave groove 33 of the rib 30 and the bolt is fastened to the fastening hole 36a, Is fastened to the fastening hole (46) at the end of the blade (40) with a bolt.