KR101604543B1 - Wave-power generating apparatus - Google Patents

Abstract

A wave power generator is provided.
A wave generator according to an exemplary embodiment of the present invention includes a float floating on the sea; A housing extending a predetermined length from the float to a lower portion and having a generator disposed therein; A first rotating part rotatably coupled to the housing; And a pair of magnetic bodies disposed to correspond to each other in the first and second rotatable portions and the housing to generate a magnetic field during rotation of the first rotatable portion to rotate the drive shaft of the generator disposed inside the housing.

Description

[0001] Wave-power generating apparatus [0002]

The present invention relates to a wave power generator.

Typical power generation methods include hydroelectric power generation, thermal power generation using fossil fuel, and nuclear power generation using nuclear power.

In particular, fossil fuels such as petroleum and coal as energy sources used for thermal power generation cause problems such as depletion of resources and the use thereof is not permanent.

As a result, the problem of depletion of fossil fuels and problems of environmental pollution are highlighted, and it is required to develop alternative energy that can generate electricity using natural energy directly.

Among these power generation devices, the wave power generating device that generates power by using the wave power converts the kinetic energy of the float due to the waves to produce electric energy.

However, in the case of wave power generation, the rotation axis of the turbine is always in contact with water, which causes continuous damage due to corrosion and bio-contamination, shortening the life of the whole equipment.

In the case of a turbine that performs rotational motion in water, the structure is very complicated and difficult to design in order to reduce damage due to waterproofing and water pressure. Especially, in the case of the coaxial inverted wave power generation system, the structure is very complicated and a special generator is used.

An embodiment of the present invention is to provide a wave power generator that provides a rotational force through magnetic bodies corresponding to each other and blocks the contact between the drive shaft and water in advance

According to an aspect of the present invention, there is provided an air conditioner comprising: a float floating on the sea; a housing extending downward from the float on which the generator with the drive shaft formed therein is disposed; A first body and a plurality of first rotating blades disposed along the circumferential direction of the first body and including a fixed piece fixed to the first body and a blade piece rotatably coupled to the fixed piece, A first rotating part, a second rotating part disposed to be spaced apart from the first rotating part and rotatably coupled to an outer circumferential surface of the housing, a first magnetic body formed inside the housing to surround the driving shaft of the generator, And a pair of magnetic bodies having at least one second magnetic body formed so as to surround the first magnetic body, The second rotating portion rotates in a second direction opposite to the first direction, and the pair of magnetic bodies generates a magnetic field during rotation of the first rotating portion so that the driving shaft of the generator is brought into non-contact Wave power generation apparatus is provided.

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At this time, the blade piece may be rotated at an angle larger than 0 degrees and smaller than 90 degrees in the vertical direction.

At this time, a battery for storing electricity produced by the generator may be provided at one side of the float.

At this time, the housing may be a non-magnetic body.

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At this time, the second rotating part may be disposed at a position corresponding to the generator body disposed inside the housing.

At this time, the generator body may be rotatably installed inside the housing.

At this time, it is preferable that a third magnetic body provided to surround the generator body and at least one fourth magnetic body arranged to surround the third magnetic body correspond to each other, and a magnetic field generated upon rotation of the second rotation part The generator body can be rotated.

In this case, the second rotating portion includes a ring-shaped second body rotatably coupled to the housing, a plurality of second rotating blades disposed along the circumferential direction of the second body, And at least one fourth magnetic body disposed to surround the first magnetic body.

The plurality of second rotary blades may include a fixed piece fixed to the second body and a blade piece rotatably coupled to the fixed piece.

At this time, the blade piece provided on the first rotating part and the blade piece provided on the second rotating part can rotate in opposite directions.

At this time, a storage battery provided at one side of the float; And a slip ring disposed inside the housing to be positioned on an upper side of the generator. Electricity generated from the generator when the first rotating part rotates can be transmitted to the battery through the slip ring.

According to another aspect of the present invention, there is provided a method for manufacturing a secondary battery including a housing having a float floating on the water, a generator having a certain length extending from the float to a lower portion and having a drive shaft having a predetermined length, A second rotating part that is spaced upward from the first rotating part and is rotatably coupled to the outer circumferential surface of the housing and rotates in a second direction opposite to the first direction, A first magnetic body provided to surround the drive shaft, and a second magnetic body provided in the first rotation section so as to surround the first magnetic body, wherein the at least one magnetic body rotates the drive shaft in a non-contact manner through a magnetic field generated upon rotation of the first rotation section A third magnetic body provided inside the housing to surround the generator body, and a second magnetic body surrounding the third magnetic body And at least one fourth magnetic body provided in the second rotary part and rotating the generator body in a non-contact manner through a magnetic field generated during rotation of the second rotary part.

The wave power generator according to an embodiment of the present invention can prevent contact between the drive shaft and water through the housing by rotating the rotating body through the non-contact method through the magnetic body.

1 is an overall perspective view of a wave power generator according to an embodiment of the present invention.
FIG. 2 is an enlarged perspective view of the first rotating part and the second rotating part in FIG. 1. FIG.
Fig. 3 is an exploded perspective view of Fig. 2. Fig.
4 is a partial cross-sectional view of Fig.
Fig. 5 is a longitudinal sectional view of Fig. 2; Fig.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art to which the present invention pertains. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same reference numerals are assigned to the same or similar components throughout the specification.

Hereinafter, a wave generator according to an embodiment of the present invention will be described in detail with reference to the drawings.

1, a wave generator 1 according to an embodiment of the present invention includes a float 10, a housing 20, a first rotating portion 40, and a pair of magnetic bodies 61 and 62 do.

The float 10 may be formed as a part of a predetermined size floating on the sea.

The float 10 is designed to have a predetermined size to generate buoyancy enough to support the entire weight of the wave generator 1 according to an embodiment of the present invention.

It is noted that the float 10 may be any floating float method such as styrofoam or air-inflated tube, and any floating float type can be used.

On the other hand, the accumulator 70 is provided on the float 10. The storage battery 70 is electrically connected to a generator to be described later so as to store electricity generated by power generation in the generator.

Although the battery 70 is shown on the upper portion of the float 10, the present invention is not limited thereto. The battery 70 may be installed on the lower portion and the side portion of the float 10, It can be installed in the water if it is in the form.

The housing 20 is provided to extend from the float 10 to a predetermined length and has a lower end that is submerged in water. A generator (30) for generating electricity is disposed inside the housing (20).

The generator 30 includes a stator 38 and a rotor 37 for generating electricity through induction electromotive force when the drive shaft 34 rotates inside the body. And is connected to the rotor (37). Accordingly, when the drive shaft 34 rotates in one direction, the rotor 37 is rotated together with the rotation of the drive shaft 34, and electricity is produced by the mutual relationship with the stator 38.

In the meantime, although the figure shows that the rotor is disposed at the center and the stator is disposed so as to surround the rotor, the stator may be disposed at the center and the rotor may be disposed outside the stator. Thus, when the rotor is disposed outside the stator, the driving shaft is connected to the rotor.

Since the configuration of such a generator is a conventional configuration, a detailed description will be omitted.

At this time, the generator 30 is disposed inside the housing 20 such that the drive shaft 34 protrudes downward from the generator body 32.

A first rotary part 40 for rotating the drive shaft 34 of the generator 30 in a non-contact manner is rotatably coupled to the housing 20 through a bearing.

Accordingly, the wave generator 1 according to the embodiment of the present invention is configured such that the drive shaft 34 of the generator 30 is rotated by the non-contact method instead of directly coupling with the first rotary part 40, 30 can be maintained in a closed state inside the housing 20 without exposing the drive shaft 34 to water.

Therefore, it is possible to prevent the drive shaft 34 of the generator 30 from coming into contact with water in advance, thereby preventing damage due to corrosion and biological damage, and prolonging the service life.

To this end, a pair of magnetic bodies 61 and 62 corresponding to each other are provided in the drive shaft 34 and the first rotation part 40 of the generator. That is, a first magnetic body 61 that surrounds the drive shaft 34 of the generator is disposed inside the housing 20, and at least one (not shown) of the first magnetic body 61, which is disposed to surround the first magnetic body 61, Of the second magnetic body 62 are provided.

Here, the first magnetic body 61 and the second magnetic body 62 may be formed of magnetic couplings corresponding to each other.

Accordingly, the second magnetic body 62 is rotated together with the first rotation part 40 to generate a magnetic field when the first rotation part 40 rotates, and the magnetic field generated by the second magnetic body 62 The first magnetic body 61 and the drive shaft 34 of the generator 30 are rotated in the same direction to rotate the drive shaft 34 of the generator 30. [

Through the rotation of the drive shaft 34, the generator 30 produces electricity from the inside.

Here, the housing 20 may be made of a non-magnetic material so as not to affect the magnetic field generated by the second magnetic body 62.

The first rotary part 40 is rotatably coupled to the housing 20 via a bearing to provide a rotational force for rotating the drive shaft 34. [

The first rotating part 40 includes a ring-shaped first body 41 rotatably coupled to the housing 20 and a plurality of first rotating blades (not shown) disposed along the circumferential direction of the first body 41 42).

At this time, the plurality of first rotary blades 42 are fixed to the first body 41 with a fixing piece 43 and a blade piece 44 rotatably coupled to the fixing piece 43, As shown in FIG.

Here, the angle of rotation of the blade piece 44 may be greater than 0 degrees and less than 90 degrees, for example, but may not be limited thereto.

At least one second magnetic body 62 is disposed on the inner circumferential surface of the first body 41 along the circumferential direction. At this time, the second magnetic body 62 disposed on the inner circumferential surface of the first body 41 is also disposed in a closed space so that contact with water does not occur. The first body 41 is also made of a non-magnetic material so as not to affect the magnetic field of the second magnetic body 62 generated when the first rotating unit 40 rotates.

The wave generator 1 according to an embodiment of the present invention may include a first magnetic body 61 and a second magnetic body 62 corresponding to each other to rotate the drive shaft 34 of the generator 30, And is provided with a body 41 and a drive shaft 34, respectively, and transmits driving force through a non-contact type magnetic field to produce electricity.

Accordingly, since the drive shaft 34 of the generator 30 can be disposed inside the closed housing 20, the contact between the drive shaft 34 and water (or seawater) can be prevented beforehand, It is possible to prevent the damage caused by the accident.

In the meantime, the wave generator (1) according to an embodiment of the present invention may include a second rotary part (50) for increasing the amount of electricity generated by the generator (30).

The second rotation part 50 is rotatably coupled to the middle of the length of the housing 20 via a bearing and is spaced apart from the first rotation part 40 by a predetermined distance. As shown in FIG.

The second rotation unit 50 includes a ring-shaped second body 51 rotatably coupled to the housing 20, a plurality of second rotations 50 disposed along the circumferential direction of the second body 51, And at least one fourth magnetic body 64 disposed on the wing 52 and the second body 51 so as to surround the third magnetic body 63.

The plurality of second rotary blades 52 are provided with a fixing piece 53 fixed to the second body 51 and a blade piece 54 pivotally coupled to the fixing piece 53 .

In addition, the plurality of second rotary blades 52 are provided such that the blade pieces 54 are inclined at a predetermined angle with respect to the horizontal plane, and the blade pieces 54 of the second rotary blades 52 are inclined with respect to the first rotary blades 42 are arranged in opposite directions to each other.

The second rotating part 50 is disposed at a position corresponding to the body 32 of the generator 30 disposed inside the housing 20, The body 32 of the generator 30 disposed inside the housing 20 is rotatably provided inside the housing 20 through a bearing. A third magnetic body 63 is disposed on the body 32 of the generator 30 so as to surround the body 32 of the generator 30.

The fourth magnetic body 64 is also rotated together to generate a magnetic field and the magnetic field generated by the fourth magnetic body 64 induces the third magnetic body 63, The body 32 is rotated in the same direction as the rotation direction of the second rotation part 50. [

As described above, the wave generator 1 according to the embodiment of the present invention is configured such that the drive shaft 34 of the generator is rotated in the first direction by the first rotation part 40 and the drive shaft 34 is rotated by the second rotation part 50 32 are rotated in the second direction opposite to the first direction, the number of rotations of the rotor inside the generator 30 is at least doubled as a result, so that the power generation amount can be increased.

Here, electricity generated through the generator 30 is transferred along the cable and stored in the battery 70.

The slip ring 22 may be provided to prevent the cable from twisting due to the rotation of the generator body 32 when the generator body 32 is rotated by the second rotation unit 50.

The slip ring 22 is disposed inside the housing 20 on the upper side of the generator body 32.

That is, the slip ring 22 is installed on the outer circumferential portion of the supporter 36 extending upward from the generator body 32. Thus, the cable connected to the slip ring 22 is prevented from being twisted even if the generator body 32 rotates about the support base 36 by the second rotation part 50. In addition, the slip ring 22 also serves as an intermediate medium for transmitting electricity generated from the generator 30 to the battery 70 side. Since the slip ring 22 has a known structure, a detailed description thereof will be omitted.

The wave generator according to an embodiment of the present invention can prevent the contact between the drive shaft and the water through the housing through the rotation of the rotating body through the non-contact method through the magnetic body, The power generation amount can be increased through the configuration of the second rotating portion.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It will be understood by those skilled 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.

1: wave power generator 10: float
20: housing 22: slip ring
30: generator 32: generator body
34: drive shaft 36:
37: Rotor 38: Stator
40: first rotating part 41: first body
42: first rotating blade 43:
44: blade reorganization 50: second rotation part
51: second body 52: second rotating blade
53: Fixing piece 54:
61, 62, 63, 64: Magnetic body 70:

Claims (17)

Float floating on the sea;
A housing which is extended from the float to a lower portion by a predetermined length and in which a generator having a drive shaft formed therein is disposed;
A ring-shaped first body rotatably coupled to the outer circumferential surface of the housing, a fixed piece disposed along the circumferential direction of the first body and fixed to the first body, A first rotating part including a plurality of first rotating blades;
A second rotating part disposed to be spaced apart from the first rotating part to the upper side and rotatably coupled to the outer circumferential surface of the housing; And
And a pair of magnetic bodies including a first magnetic body formed inside the housing to surround the drive shaft of the generator and at least one second magnetic body formed inside the first body so as to surround the first magnetic body,
Wherein the first rotating portion rotates in a first direction and the second rotating portion rotates in a second direction opposite to the first direction and the pair of magnetic bodies generate a magnetic field upon rotation of the first rotating portion, Contact type by rotating the drive shaft of the wave generator. delete delete delete The method according to claim 1,
Wherein the blade piece is rotated at an angle greater than 0 degrees and less than 90 degrees in a vertical direction. The method according to claim 1,
And a battery for storing electricity generated by the generator is provided at one side of the float. The method according to claim 1,
Wherein the housing is a non-magnetic body. delete delete The method according to claim 1,
And the second rotary part is disposed at a position corresponding to a generator body disposed inside the housing. 11. The method of claim 10,
Wherein the generator body is rotatably installed inside the housing. 12. The method of claim 11,
A third magnetic body disposed to surround the generator body and at least one fourth magnetic body disposed to surround the third magnetic body so as to correspond to each other; and a magnetic field generated when the second rotating unit rotates And the generator body is rotated. 13. The method of claim 12,
The second rotating portion includes a ring-shaped second body rotatably coupled to the housing, a plurality of second rotating blades disposed along the circumferential direction of the second body, and a plurality of second rotating blades surrounding the third magnetic body And at least one fourth magnetic body disposed so as to surround the first magnetic body. 14. The method of claim 13,
Wherein the plurality of second rotary blades are provided with a stationary piece fixed to the second body and a blade piece rotatably coupled to the stationary piece. 15. The method of claim 14,
Wherein the blade piece provided on the first rotating part and the blade piece provided on the second rotating part are rotated in directions opposite to each other. 13. The method of claim 12,
A battery provided on one side of the float; And
And a slip ring disposed inside the housing to be positioned on an upper side of the generator,
And electricity generated from the generator is transmitted to the accumulator through the slip ring when the first rotating part rotates. Float floating on the sea;
A housing in which a generator having a predetermined length of drive shaft extending from the float to a lower portion and having a predetermined length is disposed;
A first rotating part rotatably coupled to an outer circumferential surface of the housing and rotating in a first direction;
A second rotating part which is spaced upward from the first rotating part and is rotatably coupled to an outer circumferential surface of the housing and rotates in a second direction opposite to the first direction;
A first magnetic body disposed inside the housing to surround the drive shaft;
At least one second magnetic body provided in the first rotating portion so as to surround the first magnetic body and rotating the driving shaft in a noncontact manner through a magnetic field generated upon rotation of the first rotating portion;
A third magnetic body disposed inside the housing to surround the generator body; And
And at least one fourth magnetic body that is provided in the second rotary part so as to surround the third magnetic body and rotates the generator body in a non-contact manner through a magnetic field generated when the second rotary part rotates.

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