KR101948432B1 - Marine floating type small wind power generator improving power generation efficiency - Google Patents

Abstract

The present invention relates to a marine floating type small wind power generator improving power generation efficiency that is capable of being made to a small size, optimizing the power generation efficiency through a double blade structure and a rotation resistance structure of a floating body, improving structural stability and durability through separation of a driving part and a power part, and providing a good outer appearance. According to the present invention, the marine floating type small wind power generator improving power generation efficiency includes: a floating body; a first wind rotor connected to a first rotating shaft on top of the floating body and rotating by wind; a second wind rotor connected to a second rotating shaft passed through the inside of the first rotating shaft in such a manner as to be rotatably supported against the first rotating shaft on top of the floating body and rotating by wind; an electrical power generating module for generating electricity by means of the rotating forces of the first wind rotor and the second wind rotor; a charger and discharger module for charging and discharging the electrical power generated from the electrical power generating module; a floating body rotation preventing member for preventing the floating body from rotating by means of the rotating force of at least one of the wind rotors; and anchor means for fixing the floating body to an installation position, wherein the first wind rotor and the second wind rotor rotate in the opposite direction to each other.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a marine floating type small wind turbine generator,

The present invention relates to a floating type wind power generator, and more particularly, to a floating type wind power generator that can be miniaturized, maximizes power generation efficiency by implementing a dual blade structure and a rotating resistance structure of a float, Floating small wind power generator capable of increasing structural safety and durability by separating a power unit and a power unit and improving power generation efficiency in consideration of aesthetic appearance.

As the problems related to environmental regulation due to global warming and fossil fuel supply and demand are emerging, wind power generation is attracting attention as a new and renewable energy production system.

Wind power generation facilities are mainly located on the land, but it is difficult to acquire land in Korea due to the fact that there are many plain land areas in Korea. In the mountainous outlying regions, there is a high cost of constructing roads and transmission lines. to be.

The advantages of offshore wind power generation are abundant wind resources, and the wind speed is 20% higher than that of inland, and 70% more electricity is produced. There are no obstacles on the sea and the surface roughness of the sea surface is low, so that good quality wind resources can be expected. Another advantage is that there are relatively few problems in site selection to build wind farms, compared to land-based ones with high population density.

Offshore wind power generation can be divided into a fixed type and a floating type. In the fixed type, a foundation is constructed on the underside of a sea with a low water depth, a structure is installed on the foundation construction, and a power generation facility including a wing is installed. It is a method to float floats on the sea surface and to install power generation facilities on floors.

However, the fixed structure provides favorable operating conditions because the structure is fixed to the seafloor, but when the depth is deepened, the structure becomes too large and the risk of fatigue failure becomes difficult to avoid. In addition, the cost of constructing and installing structures increases astronomically as the size of equipment increases.

Recently, much research has been done on offshore wind power generation facilities using floating structure. Floating structures can be classified into pontoons, tensile moorings, and pylons, depending on the mechanism of postural stability of the buoyant bodies. The double tensile mooring type combines buoyant body with seabed and tensile mooring lines to generate restoring force by the rigidity of the mooring line. A typical form of this structure is the Tension Leg Platform (TLP). The TLP type is a structure in which a plurality of mooring lines are installed on the buoyancy chain platform and connected to the sea floor, and the mooring line is pulled so that the platform is slightly lower than the static equilibrium position.

In Korea, it is required to have power generation equipment capable of efficiently producing, charging and utilizing electric power in an area where the wind direction is weak (3 ~ 4 m / s) and the wind direction is not constant. In coastal areas such as harbors and yacht moorings and marine farms, relatively small power generation equipment is economically and effectively in terms of production, installation and operation costs, but has problems in terms of power generation efficiency and durability, and research and development are needed .

(Document 1) Korean Patent Registration No. 10-1179682 (2012.04.04 Announcement) (Document 2) Korean Registered Patent No. 10-1287519 (published on Mar. 19, 2013) (Document 3) Korean Registered Patent No. 10-1571550 (published on November 24, 2015) (Document 4) Korean Patent Registration No. 10-1620900 (published on May 13, 2016)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a small floating wind turbine capable of maximizing power generation efficiency by implementing a dual- Power generation device.

In addition, the present invention provides an easy restoration structure through a specific structure of float floating on a water phase, securing stability, separating a driving part and a power part to increase structural safety and durability, and to provide a beautiful appearance Another object of the present invention is to provide a marine floating small wind turbine generator which improves power generation efficiency.

The present invention has been made in view of the above problems, and it is an object of the present invention to provide an apparatus and method for controlling the same.

According to one aspect of the present invention for achieving the above and other features of the present invention, a float; A first wind rotor connected to the first rotary shaft at an upper portion of the float and rotated by the wind; A second wind rotor connected to a second rotation shaft rotatably supported through the inside of the first rotation shaft at an upper portion of the float and rotated by the wind; A power generating module for generating electricity by the rotational force of the first wind rotor and the second wind rotor; A charge / discharge module for charging / discharging electric power generated in the power generation module; An anti-fluid rotation preventing member for preventing the floating body from rotating due to the rotational force of at least one of the wind rotor; And an anchor means for fixing the float to an installation position, wherein the first wind rotor and the second wind rotor are configured to rotate in opposite directions to each other .

According to another aspect of the present invention, there is provided an air conditioner comprising: an annular first coil formed on an upper surface of the float; A second coil formed on the upper side of the float on the inner side of the first coil; An airtight member fixed to cover the upper surface of the float hermitically; And a pair of rails formed on the upper surface of the float with the hermetic member interposed therebetween, the pair of rails being formed at positions corresponding to the positions of the first coil and the second coil. A first wind rotor rotatable by wind with permanent magnets at predetermined intervals in an inserting portion inserted into an outer rail portion of the pair of rails; A second wind rotor rotatable by the wind with permanent magnets at predetermined intervals in an inserting portion inserted into an inner rail portion of the pair of rails; And a rotary shaft which supports the first and second wind rotors so that the first and second wind rotors are rotatable about an axis, and one end of which is coupled to the rail forming structure, wherein the first wind rotor and the second wind rotor Wherein the wind turbine is rotated so as to rotate.

In the present invention, the floating floating small-sized wind power generator further comprises a protective cover which is made of an airflowable frame structure and which is fixed to the floating body while surrounding the first wind rotor, wherein the first and second wind rotors are formed of a hemispherical structure formed by laminating a plurality of fiber reinforced plastics on the first and second wind rotors, wherein the first and second wind rotors are made of a Darrieus type, a Savonius type, a Gyromil type, wherein the first wind rotor and the second wind rotor are made of one or a combination of two or more members selected from a helical type, a propeller type, and a cone type so that the blades of the first and second wind rotors rotate in opposite directions with respect to the wind The wind direction angle can be made.

In the present invention, each of the blades constituting the first wind rotor and the second wind rotor may be coated with at least one of a fluorescent material and a luminous material.

In one aspect of the present invention, the power generation module includes: a first permanent magnet provided at an extending end of a first rotating shaft extending to the inside of the float; and a second permanent magnet disposed opposite to the first permanent magnet in the float. A second permanent magnet disposed at an extending end of a second rotating shaft extending through the first rotating shaft and extending into the floating body; and a second permanent magnet disposed opposite to the second permanent magnet in the floating body, And a connection cable connected to the first coil and the second coil to supply electric power to the charge / discharge module, wherein the anti-fluid rotation preventing member is formed to protrude from the lower portion of the float And may be made of two or more anti-rotation plates.

In another aspect of the present invention, the hermetic member is formed of an insulating membrane, and the anti-fluid anti-rotation member comprises two or more anti-rotation plates protruding from the lower portion of the float, The rotor is formed in a hemispherical shape as a whole. The rotor is formed by extending a blade piece in a downward direction from the upper center portion. The rotor has a hemispherical frame structure capable of air circulation. The rotor is fixed to the rail forming structure or floating body while surrounding the first wind rotor And may further include a protective cover.

According to the present invention, the floating type small wind turbine generator for improving power generation efficiency has the following effects.

First, since the present invention can be manufactured in a small size, productivity and economical efficiency are secured, and the present invention can be applied to various applications, thereby improving general versatility.

Second, the present invention has an effect of maximizing the power generation efficiency by implementing the rotational resistance structure of the double blades and the float having the rotating structure rotating in opposite directions with respect to the wind.

Third, the present invention provides a structure capable of restoring the inclination and the ease of restoration according to the wind through the specific structure of the float floating on the water phase, securing stability, and separating the driving part and the power part to increase the structural safety and durability It is effective.

Fourth, the present invention has the effect of improving the competitiveness of the product by providing a high beauty effect by applying fluorescence and luminous color to the blade, and recognizing it from afar to add functionality.

The effects of the present invention are not limited to those mentioned above, and other solutions not mentioned may be clearly understood by those skilled in the art from the following description.

1 is a view schematically showing a configuration of a floating type small-scale wind power generator for improving power generation efficiency according to the present invention.
2 is a view showing an example of the arrangement structure of first and second wind rotors constituting a floating small-size wind power generator for improving power generation efficiency according to the present invention.
3 is a view showing an example of a vertical arrangement structure of the first and second wind rotors constituting the floating type small wind power generator for improving the power generation efficiency according to the present invention.
4 is a view showing another example of the vertical arrangement structure of the first and second wind rotors constituting the floating type small wind power generator for improving the power generation efficiency according to the present invention.
5 is a view showing still another example of the vertical arrangement structure of the first and second wind rotors constituting the floating type small wind power generator for improving the power generation efficiency according to the present invention.
FIG. 6 is an exploded view of a configuration of a floating type small-sized wind turbine generator for improving power generation efficiency according to another embodiment of the present invention.

Further objects, features and advantages of the present invention will become more apparent from the following detailed description and the accompanying drawings.

Before describing the present invention in detail, it is to be understood that the present invention is capable of various modifications and various embodiments, and the examples described below and illustrated in the drawings are intended to limit the invention to specific embodiments It is to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, the terms "comprises" or "having" and the like refer to the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Also, the terms " part, "" unit," " module, "and the like, which are described in the specification, refer to a unit for processing at least one function or operation, Software. ≪ / RTI >

In the following description with reference to the accompanying drawings, the same components are denoted by the same reference numerals regardless of the reference numerals, and redundant explanations thereof will be omitted. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

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

FIG. 1 is a view schematically showing a configuration of a floating type small-scale wind power generation apparatus for improving power generation efficiency according to the present invention. FIG. 2 is a block diagram of a floating- 1 and the second wind rotor shown in Fig.

As shown in FIG. 1, the floating type small-sized wind turbine generator for improving power generation efficiency according to the present invention comprises: a float 100 made of a floating material; A first wind rotor 200 connected to the first rotary shaft 210 and rotated at an upper portion of the float 100; A second wind rotor 300 coupled to a second rotary shaft 310 rotatably supported through the first rotary shaft 210 at an upper portion of the float 100; A power generating module for generating electricity by the rotational force of the first wind rotor (200) and the second wind rotor (300); A charge / discharge module (400) for charging / discharging electric power generated by the power generation module and outputting power to a component requiring power; An anti-fluid rotation preventing member (500) provided on the float (100) to cancel the rotational force of the first wind rotor (300); And an anchor means (600) for fixing the float (100) to an installation position, wherein the first wind rotor (200) and the second wind rotor (300) are rotated in opposite directions do.

The float (100) is made of a dam-shaped iron structure in order to minimize damage from the outside, and a hemispherical structure formed by laminating FRP (fiber reinforced plastics) on the surface.

The float 100 formed of such a hemispherical structure has a solid structure, secures corrosion resistance, and has a beautiful appearance.

In order to further increase the floating property, the float 100 may include a floatable material such as a foamed foam, and the electric power generating module, the charge / discharge module 400 and / So as to be stable in the wave and to maintain the restoring force.

Next, the first and second wind rotors 200 and 300 in the first wind rotor 200 and the second wind rotor 300 have various blades, for example, darrieus type, And may be a combination of one or a combination of two or more of the following: a savonius type, a gyromil type, a helical type, a propeller type, a cone type, The size of the wind rotor is relatively large.

At this time, the blades of the first wind rotor 200 and the second wind rotor 300 have the wind direction angle to rotate in opposite directions with respect to the wind direction.

1 and 2, in the arrangement structure of the first wind rotor 200 and the second wind rotor 300, the first wind rotor 200 is disposed on the outer side, the second wind rotor 300 is disposed on the inner side As shown in FIG.

3 to 5, the first wind rotor 200 and the second wind rotor 300 may have a vertically arranged structure.

For example, FIG. 3 is a view showing an example of a vertical arrangement structure of the first and second wind rotors constituting the floating type small-scale wind power generator for improving power generation efficiency according to the present invention, And the wind rotor of the combination may be arranged vertically. FIG. 4 is a view showing another example of the vertical arrangement structure of the first and second wind rotors constituting the floating type small-sized wind turbine generator for improving the power generation efficiency according to the present invention. FIG. 4 is a perspective view of the wind rotor of the propeller type and the modified gyro- May be arranged vertically. 5 is a view showing still another example of the vertical arrangement structure of the first and second wind rotors constituting the floating type small wind power generator for improving power generation efficiency according to the present invention, And the rotor may be arranged vertically.

In the arrangement structure of the first wind rotor 200 and the second wind rotor 300 structured as described above, the second wind rotor 300 penetrates the first rotation shaft 200 of the first wind rotor 200, And the like. Here, the first rotating shaft 200, which is exposed to the outside and penetrates through the float 100, is hermetically sealed with a sealant or the like through the float 100, so that water flows into a gap between the rotating shaft and the float And a sealing member 101 for preventing penetration.

In addition, the blades of the first wind rotor 200 and the second wind rotor 300 may be coated with a fluorescent material and / or a luminous material. Accordingly, the wind rotors 200 and 300 painted with the fluorescent material and / or the luminous material can provide the aesthetic effect and the excellent visibility while rotating at night.

The first and second wind rotors 300 may be configured to be protected by a protective cover 150 having an air-flowable frame structure formed on the float 100.

The power generating module for generating electric power by the rotational force of the first wind rotor 200 and the second wind rotor 300 includes a first rotary shaft 210 extending in the interior of the float 100, A first coil 230 provided in the float 100 so as to face the first permanent magnet 220 and a second coil 230 disposed on the first rotating shaft 210 in the float 100. The first permanent magnet 220, A second permanent magnet 320 disposed at an end of the second rotary shaft 310 that extends into the interior of the float 100 and a second permanent magnet 320 disposed within the float 100, And a connection cable 240 connected to the first coil 230 and the second coil 330 to supply power to the charge and discharge module 400. The second coil 330 is connected to the first coil 230 and the second coil 330, 340).

The charge / discharge module 400 for charging / discharging the power generated by the power generation module and outputting power to the component requiring power is provided with a charge / discharge circuit therein, and includes a power input / output port and a control unit Discharging device of the present invention can be employed, so that a detailed description thereof will be omitted.

The anti-fluid rotation preventing member 500 provided in the float 100 for canceling the rotational force of the first wind rotor 300 may be provided on the outer side of the rotary rotor 300, And two or more anti-rotation plates protruding from the bottom of the float 100 to prevent the floating body from rotating. Preferably, the plurality of anti-rotation plates are formed at a predetermined distance from each other.

The plurality of anti-rotation plates are immersed in water, and the resistance of the water prevents the floating body from rotating due to the rotating force of the rotating rotor.

Here, the anti-fluid anti-rotation member 500 is configured to be located at a position less than half of the total height of the float 100 so as to satisfy the requirements for the light-blocking area of the safety indicator area.

The anchor means 600 for fixing the float 100 to the installation position is connected to a lower portion of the float 100 by a chain 610 or a wire to form an anchor ).

The anchor (not shown) may be replaced with a concrete structure, but the present invention is not limited thereto, and the anchor may be an anchor.

Next, a floating type small-sized wind turbine generator for improving power generation efficiency according to another embodiment of the present invention will be described in detail with reference to FIG. FIG. 6 is an exploded view of a configuration of a floating type small-sized wind turbine generator for improving power generation efficiency according to another embodiment of the present invention. The same reference numerals are given to the same components as in the above-described embodiment, and a detailed description thereof will be omitted or simplified for the sake of clarity and simplicity.

As shown in FIG. 6, the floating type small-sized wind turbine generator for improving power generation efficiency according to another embodiment of the present invention includes a float 100 made of a floating material; An annular first coil 230 formed on the upper surface of the float 100; An annular second coil 330 formed on the upper surface of the float 100 on the inner side of the first coil 230; A hermetic member 700 which hermetically covers and covers the upper surface of the float 100; The first coil 230 and the second coil 330 are coupled to the upper surface of the float 100 through the hermetic member 700 and are formed concentrically at positions corresponding to the positions of the first coil 230 and the second coil 330 A rail forming structure 800 configured with a pair of rail portions 810 and 820; The permanent magnets 911 are provided at regular intervals in an inserting portion rotatably inserted into the inner rail portion 820 of the pair of rail portions 810 and 820 and the inner wind rotor Wind rotor) 910; A permanent magnet 921 is provided at a predetermined interval in an inserting portion rotatably inserted into the outer rail 810 out of the pair of rails 810 and 820 and the outer wind rotor Rotor) 920; A rotating shaft 930 supporting the inner wind rotor 910 and the outer wind rotor 920 such that the inner wind rotor 910 and the outer wind rotor 920 are rotatable about their axes and one end rotatably coupled to the rail forming structure; And a protective cover 150 made of a frame structure capable of air circulation and fixed to the rail forming structure 800 or float 100 while surrounding the outer wind rotor 920.

The airtightness member 700 is not particularly limited as long as the airtight member 700 can be fixed by sealingly covering the upper surface of the float 100. The airtightness of the permanent magnets constituting the inner and outer wind rotors 910 and 920, And the second coils 230 and 330 to maximize the magnetic field formation between the first and second coils 230 and 330.

Each of the rails 810 and 820 where the permanent magnets 911 and 921 of the wind rotor 910 and 920 are positioned in the rail forming structure 800 is rotated by the wind to rotate the wind rotors 910 and 920 The permanent magnets 911 and 912 serve to guide the rotation of the inserting portion provided with the permanent magnets 911 and 912. Preferably, as described above, the permanent magnets 911 and 912 may be formed so as to be thin or penetrating as a whole in order to maximize the magnetic field formation between the permanent magnet and the first and second coils And the inner and outer sides of the connecting rods are connected to each other by a connecting rod.

Next, the inner wind rotor 910 and the outer wind rotor 920 are formed in a hemispherical shape, and the blade piece 901 is formed extending downward from the upper center portion. The inner wind rotor 910 and the outer wind rotor 920 are connected to each other such that the direction of rotation of the inner wind rotor 910 and that of the outer wind rotor 920 are opposite to each other, The wind angle of attack is formed in the opposite direction.

The protective cover 150 is generally hemispherical and has a frame structure in which a large amount of air can flow.

Other components are the same as those of the above-described embodiment, and a description thereof will be omitted.

As described above, the floating small-size wind turbine generator for improving the power generation efficiency according to the present invention can be manufactured in a small size, thereby securing the manufacturability and economy, and being applicable to various applications, The present invention has the advantage of maximizing the power generation efficiency by implementing the rotational resistance structure of the dual blade and the float having the rotating structure rotating in opposite directions with respect to each other.

In addition, the present invention can be restored to be inclined and easily restored in response to the wind through the specific structure of float floating on the water phase, thereby securing stability, and separating the driving part and the power part, thereby increasing structural safety and durability , The blades are provided with fluorescent and luminous colors to provide a high aesthetic effect, and the visibility can be secured even from afar, so that it is possible to improve the product competitiveness by adding the functionality.

The embodiments and the accompanying drawings described in the present specification are merely illustrative of some of the technical ideas included in the present invention. Therefore, it is to be understood that the embodiments disclosed herein are not for purposes of limiting the technical idea of the present invention, but rather are not intended to limit the scope of the technical idea of the present invention. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

100: float
101: sealing member
150: protective cover
200, 920: first wind rotor
210 and 310:
220, 320: permanent magnet
230, 330: coil
240, 340: connection cable
300, 910: the second wind rotor
400: charge / discharge module
500: auxiliary fluid anti-rotation member
600: anchor means
610: Chain
700: sealing member
800: rail forming structure
810 and 820:
930:

Claims (6)

delete A float comprising a hemispherical structure;
An annular first coil formed on an upper inner surface of the float;
An annular second coil spaced from the first coil at an upper side of the float and configured inside the first coil;
An airtight member fixed to cover the upper surface of the float hermitically;
And a pair of rails formed on the upper surface of the float with the airtight member interposed therebetween and formed concentrically and at positions corresponding to the positions of the first coil and the second coil, ;
An inner wind rotor rotatable by a wind force and provided with permanent magnets at regular intervals in an inserting portion located at an inner rail of the pair of rails;
An outer wind rotor rotatable by a wind force and provided with permanent magnets at predetermined intervals in an inserting portion located at an outer railing of the pair of rails;
An anti-fluid rotation preventing member for preventing the floating body from rotating due to the rotational force of the inner wind rotor and the outer wind rotor;
A protective cover which is made of a frame structure capable of air circulation and which is fixed to the rail forming structure or float while surrounding the outer wind rotor; And
And a rotary shaft which supports the inner wind rotor and the outer wind rotor such that the inner wind rotor and the outer wind rotor are rotatable about an axis, and the one end and the other end of which are respectively coupled to the rail forming structure and the protective cover,
Wherein the hermetic member is formed of an insulating membrane,
Wherein the anti-fluid rotation preventing member comprises two or more anti-rotation plates protruding from a lower portion of the float,
The first and second wind rotors are formed in a generally hemispherical shape. The first and second wind rotors are formed in a hemispherical shape, and the blade pieces extend downward from the upper center portion. The inner wind rotor and the outer wind rotor are connected to each other by a blade And the wind receiving angles of the blades of the outer wind rotor are formed in opposite directions.
Floating small wind power generator.
3. The method of claim 2,
Wherein the float is formed of a hemispherical structure formed by laminating FRP (fiber reinforced plastics) on a surface thereof
Floating small wind power generator.
3. The method of claim 2,
Wherein at least one of a fluorescent material and a luminous material is coated on each of the blade pieces constituting the inner wind rotor and the outer wind rotor
Floating small wind power generator. delete delete

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