KR20080073045A - Wind power generator - Google Patents

Wind power generator Download PDF

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Publication number
KR20080073045A
KR20080073045A KR1020070011548A KR20070011548A KR20080073045A KR 20080073045 A KR20080073045 A KR 20080073045A KR 1020070011548 A KR1020070011548 A KR 1020070011548A KR 20070011548 A KR20070011548 A KR 20070011548A KR 20080073045 A KR20080073045 A KR 20080073045A
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South Korea
Prior art keywords
propeller
generator
wind power
rotor
coupled
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KR1020070011548A
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Korean (ko)
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KR100973256B1 (en
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민승기
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민승기
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0272—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor by measures acting on the electrical generator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/02—Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having a plurality of rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/0608—Rotors characterised by their aerodynamic shape
    • F03D1/0625—Rotors characterised by their aerodynamic shape of the whole rotor, i.e. form features of the rotor unit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Abstract

A wind power generator having generating force increased by magnetic force is provided to raise the generation efficiency by increasing torque of rotating vanes through interaction between permanent magnets and electromagnets. A wind power generator having generating force increased by magnetic force comprises large and small propellers(20,50) and a generator(30) coupled with a shaft of the large propeller. A torque accelerator(60) is coupled between the large propeller and the generator. The torque accelerator includes a rotor, which is coupled with the shaft of the large propeller, and a stator coupled with the outer side of the shaft of the large propeller while being spaced apart from the rotor. Fixed electromagnets are attached to the inner peripheral portion of the stator. Permanents magnets are attached to the outer peripheral portion of the rotor.

Description

자력에 의해 발전력이 향상되는 풍력발전기{Wind power generator}Wind power generator that generates power by magnetic force {Wind power generator}

도 1은 본 발명에 따른 풍력발전기의 사시도1 is a perspective view of a wind power generator according to the present invention

도 2는 본 발명에 따른 풍력발전기의 정면도2 is a front view of a wind power generator according to the present invention;

도 3은 본 발명에 따른 풍력발전기의 측면도3 is a side view of a wind power generator according to the present invention;

도 4는 도 3의 A-A선단면도4 is a cross-sectional view taken along line A-A of FIG.

〈도면의 주요부분에 대한 부호설명〉<Code Description of Main Parts of Drawing>

20 : 대형 프로펠러 22 : 회전날개20: large propeller 22: rotary wing

30 : 발전기 50 : 소형 프로펠러30: generator 50: small propeller

60 : 회전력 가속부 61 : 회전자60: rotational force accelerator 61: the rotor

62 : 고정자 63,64 : 영구자석62: stator 63,64: permanent magnet

본 발명은 풍력발전기에 관한 것으로서, 더욱 자세하게는 풍력발전기의 프로펠러에 자석을 구비하고, 프로펠러와 소정의 간격으로 이격된 위치에도 자석을 구비함으로써 풍력에 의해 회전하는 프로펠러가 자석의 밀고당기는 힘이 부가되어 발전력이 향상되는 자력을 이용한 풍력발전기에 관한 발명이다.The present invention relates to a wind power generator, and more particularly, a propeller of a wind power generator, and a magnet also is provided at a position spaced apart from the propeller by a predetermined distance, so that a propeller rotating by wind power pushes the magnet. The invention relates to a wind power generator using a magnetic force is improved power generation.

산업이 발전하면서 에너지의 사용량도 증가하게 됨으로써 자원의 고갈이 심각한 수준에 이르게 되고 있는 것이 현실이며, 이러한 문제를 해결하기 위해 다양한 대체에너지가 제공되고 있으며 풍력발전기도 그 중의 하나로 각광받고 있다.As the industry develops, the use of energy also increases, leading to serious depletion of resources. In order to solve these problems, various alternative energies are provided, and wind power generators are also in the spotlight.

이러한 풍력발전기는 환경오염의 발생도 없으며, 설비 등을 단시간에 상쇄시킬 정도로 효율성도 양호하기 때문에 최근에는 국내에서도 제주도, 강원도 태백시 및 영월군 등에서 풍력발전기를 설치하고 있다.The wind power generator has no environmental pollution, and the efficiency is good enough to offset the facilities in a short time. Recently, the wind power generator has been installed in Jeju Island, Taebaek-si, Gangwon-do, and Yeongwol-gun.

그러나, 풍력발전기는 주로 바람이 많은 지역, 즉, 풍속이 약 4m/s 이상인 곳에 설치하여 발전을 하고 있으나, 바람이 없거나 바람이 약한 경우에는 프로펠러의 회전력이 약해 발전효율이 떨어지는 문제가 있다.However, the wind power generator is mainly installed in the windy area, that is, the wind speed is installed at about 4m / s or more, but when there is no wind or the wind is weak, there is a problem that the power efficiency of the propeller is weak due to weak rotational force.

따라서, 본 발명은 종래와 같은 문제점을 해결하기 위해 안출한 발명으로서, 약한 바람에 의해 회전하는 프로펠러가 자력에 의해 점차 빠르게 회전하면서 발전효율을 향상시키도록 함에 목적이 있다.Accordingly, the present invention has been made in order to solve the problems as in the prior art, and an object of the present invention is to improve the power generation efficiency while the propeller rotating by weak wind rotates gradually by magnetic force.

본 발명은 상기와 같은 목적을 달성하기 위해 대형 프로펠러가 설치되고, 상기 프로펠러의 축에 발전기가 결합된 풍력발전기에 있어서, 상기 프로펠러와 발전기의 사이에는 회전력 가속부를 더 결합하는 바, 상기 회전력 가속부는 프로펠러의 축과 결합되는 회전자와, 그 외측에 이격되어 결합되는 고정자로 이루어지며, 상기 고정자의 내주연에 고정되는 전자석이 부착되고, 상기 회전자 외주연에는 회전 영구자석이 부착되어 구현된다.The present invention is a large propeller is installed in order to achieve the above object, in the wind turbine generator is coupled to the shaft of the propeller, further coupled to the rotational force between the propeller and the generator, the rotational force acceleration unit It consists of a rotor coupled to the shaft of the propeller, the stator is spaced apart and coupled to the outside, an electromagnet fixed to the inner circumference of the stator is attached, a rotating permanent magnet is attached to the outer circumference of the rotor is implemented.

그리고, 상기 프로펠러 각각의 회전날개 일측에는 영구자석을 부착하고, 상기 회전날개와 이격되어 원형의 고정대가 구비되며, 상기 고정대에는 전자석이 다수 부착되는 것을 다른 특징으로 한다.In addition, a permanent magnet is attached to one side of each of the propeller blades, spaced apart from the rotary blades, and a circular stator is provided, and the plurality of electromagnets are attached to the stator.

이하, 본 발명의 가장 바람직한 일 실시예에 따른 구성을 첨부한 도면에 의거하여 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings, the configuration according to an embodiment of the present invention in detail as follows.

도 1은 본 발명에 따른 풍력발전기의 사시도이고, 도 2는 본 발명에 따른 풍력발전기의 정면도이고, 도 3은 본 발명에 따른 풍력발전기의 측면도이고, 도 4는 도 3의 A-A선단면도이다.1 is a perspective view of a wind power generator according to the present invention, FIG. 2 is a front view of the wind power generator according to the present invention, FIG. 3 is a side view of the wind power generator according to the present invention, and FIG. 4 is a cross-sectional view taken along line A-A of FIG.

본 발명은 지상에서 소정의 높이로 지지기둥(10)을 구축하고 일반적인 풍력발전기와 마찬가지로 지지기둥(10)에 대형 프로펠러(20)를 자유회전 가능하도록 설치하며, 상기 프로펠러(20)의 축에는 발전기(30)를 연결하되, 프로펠러(20)와 발전기(30)의 사이에는 회전력 가속부(60)를 더 결합한다.The present invention builds the support pillar 10 to a predetermined height from the ground and is installed to enable free rotation of the large propeller 20 on the support pillar 10, like a general wind power generator, the generator of the propeller 20 30 is connected, but between the propeller 20 and the generator 30 further combines the rotational force accelerator (60).

상기 회전력 가속부(60)는 도 4에 도시된 바와 같이, 프로펠러(20)의 축과 연결되어 일체로 회전하는 회전자(61)와, 상기 회전자(61)의 외측에 이격되어 구비되는 고정자(62)로 이루어지며, 회전자(61)의 외주연에는 영구자석(64)을, 고정자(62)의 외주연에는 전자석(63)을 각각 부착한다.As shown in FIG. 4, the rotational force accelerator 60 is connected to the shaft of the propeller 20 to rotate integrally with the rotor 61, and a stator spaced apart from the outside of the rotor 61. (62), the permanent magnet 64 is attached to the outer periphery of the rotor 61, the electromagnet 63 is attached to the outer periphery of the stator 62, respectively.

그리고, 상기 대형 프로펠러(20)의 배면측으로 소정의 간격으로 이격된 위치에 형성되도록 소형푸로펠러(50)를 구성하되; 이는 회전속도에 따라 교류의 변환횟수가 변환되는 조정기(51)가 구비되는 교류발전기를 구비하여 주되; 고정자의 전자석(63)에 연결한다.And, to configure a small propeller 50 to be formed at a position spaced apart at a predetermined interval toward the rear side of the large propeller (20); It is provided with an alternator having a regulator 51 for converting the number of conversion of alternating current according to the rotational speed; It is connected to the electromagnet 63 of the stator.

이하, 상기와 같이 구성되는 본 발명의 작용을 설명하면 다음과 같다.Hereinafter, the operation of the present invention configured as described above is as follows.

본 발명의 풍력발전기 대형 프로펠러(20) 측으로 바람이 불게 되면 서서히 대형 프로펠러(20)가 회전을 하게 되며 회전력이 증대되면서 발전기(30)에 의해 발전이 된다.When the wind blows toward the wind turbine large propeller 20 of the present invention, the large propeller 20 gradually rotates and the power is increased by the generator 30 while the rotational force is increased.

이때, 바람이 약해 대형 프로펠러(20)의 회전력도 약해지게 되나, 대형 프로펠러(20)와 발전기(30)의 사이에 결합된 회전력 가속부(60)에 의해 회전력이 가속되어 발전력도 향상되게 된다.At this time, the wind is weak, the rotational force of the large propeller 20 is also weakened, the rotational force is accelerated by the rotational force accelerator 60 coupled between the large propeller 20 and the generator 30 to improve the power generation.

이를 구체적으로 설명하면, 대형 프로펠러(20)가 회전하면서 회전력 가속부(60)의 회전자(61)가 고정자(62) 내에서 회전을 하게 되며, 회전자(61)의 회전 영구자석(63)과 고정자(62)의 고정 전자석(64)이 자력을 띠면서 서로 밀고 당기는 힘이 발생하면서 회전자(61)의 회전력이 점차 증대된다.Specifically, as the large propeller 20 rotates, the rotor 61 of the rotational force accelerator 60 rotates in the stator 62, and the rotating permanent magnet 63 of the rotor 61 is rotated. The rotating force of the rotor 61 is gradually increased while the fixed electromagnets 64 of the stator 62 have a magnetic force and push and pull each other.

여기서, 회전자(61)가 부착되는 연구자석(63)이 회전하면서 상기 고정자(62)에 부착되는 전자석(64)에 다가가기 직전에는 서로 반대되는 전류 즉, 교류관계로 유지하면서 서로 당기는 힘이 발생하며, 또한 서로 양측의 전자석(64)과 영구자석(63)의 위치를 회전자(61)의 회전으로 지나는 순간에 전자석(64)의 전류가 반대로 변환되어서 서로 같은 전극으로 형성되므로, 서로 밀어주는 형상으로 발전기의 회전력이 보강되는 것이다.Here, immediately before approaching the electromagnet 64 attached to the stator 62 while the research magnet 63 to which the rotor 61 is attached rotates, currents that are opposite to each other, i.e., the pulling force is maintained while maintaining an alternating current relationship. Also, at the moment when the positions of the electromagnets 64 and the permanent magnets 63 on both sides pass by the rotation of the rotor 61, the currents of the electromagnets 64 are reversely converted to each other to form the same electrodes, and thus push each other. The rotating shape of the generator is reinforced with the main shape.

또한, 본 발명의 실시예로서는 상기 대형 프로펠러(20) 배면측에 형성되는 작은 크기의 소형 프로펠러(50)를 설치하여서 대형프로펠러(20)의 회전 속도에 맞추어서 소정의 시간(간격)마다 절전시켜서 고정자(62)에 부착되는 전자석(64)을 순 간적으로 변환시켜서 회전자(61)에 구비되는 영구자석(63)의 회전력을 보강하여서, 이에 비례되는 발전력을 향상시키는 것도 가능하다.In addition, according to the embodiment of the present invention, by installing a small propeller 50 having a small size formed on the rear side of the large propeller 20, the power is saved at a predetermined time (interval) in accordance with the rotational speed of the large propeller 20, and the stator ( It is also possible to reinforce the rotational force of the permanent magnet 63 provided in the rotor 61 by converting the electromagnet 64 attached to the 62 instantaneously, thereby improving the power generation proportional thereto.

상기와 같이 본 발명의 구성 및 작용을 일실시예에 의하여 설명하였으나, 본 발명은 이에 한정되지 않으며, 본 발명의 범위 내에서 변경, 변형하는 것 또한 본 발명의 범위 내에 속한다 할 것이다.As described above, the configuration and operation of the present invention have been described with reference to one embodiment, but the present invention is not limited thereto, and modifications and variations within the scope of the present invention will also fall within the scope of the present invention.

따라서, 본 발명은 약한 바람의 힘에 의해 서서히 회전하는 회전날개가 자력에 의해 점차 회전력이 증대되면서 영구자석과 전자석의 서로 상호간의 역할로 풍력에 의한 회전력이 증대되므로 발전효율이 향상되는 매우 경제적이고 유용한 발명이다.Therefore, the present invention is very economical because the rotor blades that rotate slowly by the weak wind force gradually increases the rotational force by the magnetic force, so that the rotational force by the wind as the mutual role of the permanent magnet and the electromagnet increases each other, the power generation efficiency is improved. It is a useful invention.

Claims (2)

대,소형 프로펠러가 각각 설치되고, 상기 프로펠러의 축에 발전기가 결합된 풍력발전기에 있어서,Large and small propellers are installed respectively, in the wind turbine generator is coupled to the shaft of the propeller, 상기 프로펠러와 발전기의 사이에는 회전력 가속부를 더 결합하는 바, 상기 회전력 가속부는 프로펠러의 축과 결합되는 회전자와, 그 외측에 이격되어 결합되는 고정자로 이루어지며, 상기 고정자의 내주연에는 고정 전자석이 부착되고, 상기 회전자 외주연에는 회전 영구자석이 부착되는 것을 특징으로 하는 자력에 의해 발전력이 향상되는 풍력발전기.The rotational force acceleration unit is further coupled between the propeller and the generator, and the rotational force acceleration unit is formed of a rotor coupled to the shaft of the propeller and a stator spaced apart from the outer side thereof, and a fixed electromagnet is disposed at the inner circumference of the stator. The wind power generator is attached, the power generation is improved by the magnetic force, characterized in that the rotating permanent magnet is attached to the outer periphery of the rotor. 제 1항에 있어서,The method of claim 1, 상기 소형 발전기 몸체에는 푸로펠라의 회전속도에 따라 전류가 변환되는 조정기를 부착되는 것을 특징으로 하는 자력에 의해 발전력이 향상되는 풍력발전기.The small generator body is a wind power generator is improved power generation by the magnetic force, characterized in that the regulator is attached to the current is converted according to the rotational speed of the puropella.
KR1020070011548A 2007-02-05 2007-02-05 Wind power generator KR100973256B1 (en)

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