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CN102678479A - Guide edge concave-convex fan - Google Patents

Guide edge concave-convex fan Download PDF

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Publication number
CN102678479A
CN102678479A CN 201210149469 CN201210149469A CN102678479A CN 102678479 A CN102678479 A CN 102678479A CN 201210149469 CN201210149469 CN 201210149469 CN 201210149469 A CN201210149469 A CN 201210149469A CN 102678479 A CN102678479 A CN 102678479A
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CN
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Patent type
Prior art keywords
edge
blade
guide
blades
wheel
Prior art date
Application number
CN 201210149469
Other languages
Chinese (zh)
Inventor
于凯
常欣
王超
程相茹
郭春雨
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哈尔滨工程大学
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GASES [GHG] EMISSION, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • Y02E10/721Blades or rotors

Abstract

The invention aims at providing a guide edge concave-convex fan, comprising a wheel hub and blades, wherein the blades are arranged on the wheel hub, each blade comprises a blade following edge and a blade guide edge, each blade following edge is in a line shape, each blade guide edge is in a sine curve shape, and each blade guide edge produces a counter-rotating vortex when the blades rotate. According to the invention, appearance structure of each blade is changed while no additional device is added. More electrical energy can be converted during wind power generation.

Description

导缘四凸风机 Four fan convex leading edge

技术领域 FIELD

[0001] 本发明涉及的是一种风能领域,具体地说是风机。 [0001] The present invention relates to a wind energy, in particular fan.

背景技术 Background technique

[0002] 风能作为绿色能源以其蕴量巨大、可以再生、分布广泛、没有污染的优势为各国所青睐。 [0002] Wind power as green energy for its huge amount Yun, can be regenerated, widely distributed, no pollution advantages for favored countries. 将风能转换成电能已经有了较成熟的技术,非常有发展潜力和应用前景。 Converting wind energy into electrical energy has been relatively mature technology, great development potential and prospects. 风机叶片性能的好坏与风机效率密切相关。 The quality of the fan blade performance is closely related to the efficiency of the fan. 因此,开发一种高效且性能优良的风机十分有意义。 Therefore, the development of an efficient and superior performance of the fan is very meaningful.

发明内容 SUMMARY

[0003] 本发明的目的在于提供在风力发电时可以转换更多的电能的导缘凹凸风机。 [0003] The object of the present invention to provide a wind turbine generator when the electrical energy can be converted to more irregularities fan leading edge. [0004] 本发明的目的是这样实现的: [0004] The object of the present invention is implemented as follows:

[0005] 本发明导缘凹凸风机,包括轮毂、叶片,叶片安装在轮毂上,其特征是:所述的叶片包括叶片随边和叶片导缘,叶片随边形状为直线,叶片导缘形状为正弦曲线,叶片旋转时叶片导缘产生反向旋转的漩涡。 [0005] The present invention leading edge irregularities fan, including hub, blades, vanes mounted on the hub, characterized in that: said blade includes a blade trailing edge and the leading edge of the blade, the blade trailing edge shape of a straight line, the leading edge blade shape sinusoidal, the blade leading edge vortex generating reverse rotation of the blades rotate.

[0006] 本发明还可以包括: [0006] The present invention may further comprise:

[0007] I、R为以轮毂中心为圆心到叶片边缘的半径,r为叶片上正弦曲线起始位置与叶片根部的最小距离,h为正弦曲线波高,R : r : h=110 : 7 : 30。 [0007] I, R is at center of the hub radius circle to the blade edge, r is an blades minimum distance sine curve starting position and the blade root, h is high sinusoidal wave, R: r: h = 110: 7: 30.

[0008] 2、所述的叶片的个数为3个,以轮毂中心为圆心到叶片边缘的半径为0. 55m,叶片上正弦曲线起始位置与叶片根部的最小距离为0. 15m,正弦曲线波高为0. 035m。 [0008] 2, the number of blades is three, in order to center the hub center to the blade edge radius of 0. 55m, a minimum distance sinusoidal starting location of the blade root to the blade 0. 15m, sinusoidal curve wave height of 0. 035m.

[0009] 本发明的优势在于:本发明仅改变叶片的外形结构,而没有增加附加装置。 [0009] The advantage of the present invention is that: the present invention changes only the structure of the blade profile, without additional devices. 在风力发电时可以转换更多的电能。 When wind power can convert more power.

附图说明 BRIEF DESCRIPTION

[0010] 图I为凹凸风机叶片示意图; [0010] Figure I is a schematic view of the fan blades irregularities;

[0011] 图2为叶片轮廓对比示意图。 [0011] FIG. 2 is a schematic comparison of the blade profile.

具体实施方式 detailed description

[0012] 下面结合附图举例对本发明做更详细地描述: [0012] By way of example in conjunction with the accompanying drawings The present invention will be described in more detail:

[0013] 结合图I〜2,本发明导缘凹凸风机,包括轮毂I、叶片2,叶片2安装在轮毂I上,叶片2包括叶片随边4和叶片导缘3,叶片随边4形状为直线,叶片导缘3形状为正弦曲线,叶片2旋转时叶片导缘3产生反向旋转的漩涡,R为以轮毂I中心为圆心到叶片2边缘的半径,r为叶片2上正弦曲线起始位置与叶片2根部的最小距离,h为正弦曲线波高,R : r : h=110 : 7 : 30。 [0013] in conjunction with FIG. I~2, leading edge irregularities fan according to the present invention, includes a hub I, blade 2, blade 2 is mounted on the hub I, blade 2 comprises a blade trailing edge 4 and the guide edge of the blade 3, the blade trailing edge 4 shape straight blade leading edge 3 a sinusoidal shape, the blade leading edge vortex 3 generated during reverse rotation of the rotary blade 2, R I is a center to center hub 2 to the blade edge radius, r is the initial sinusoidal blade 2 the position of minimum distance the blade root 2, h is high sinusoidal wave, R: r: h = 110: 7: 30.

[0014] 叶片2的个数为3个,下面给出风机的一组具体参数: The number of [0014] 2 to 3 leaves, a specific set of parameters given in the following fan:

[0015] 以轮毂I中心为圆心到叶片2边缘的半径为0. 55m,叶片2上正弦曲线起始位置与叶片2根部的最小距离为0. 15m,正弦曲线波高为0. 035m。 [0015] In the center is the center I of the hub edge of the blade 2 to the radius of 0. 55m, 2 2 on the blade root and the blade sinusoidal the starting position of the minimum distance is 0. 15m, sinusoidal wave height of 0. 035m. [0016] 凹凸风机叶片2在工作时,叶片2的凹凸导边3处会产生反向旋转的漩涡,凹凸导边3可以将产生的漩涡吸收利用,将这部分能量重新注入到流体中,提高叶片的气动性能。 [0016] 2 irregularities fan blades during operation, irregularities at the edge of the guide vanes 2 3 counter-rotating vortex is generated, the leading edge vortex 3 may be irregularities resulting absorption, this part of the energy re-injected into the fluid, to improve aerodynamic performance of the blade. 由于是正弦曲线并且叶片2根部处没有加凹凸结节,所以凹凸风机叶片2的展弦比与母型风机叶片的展弦比相同。 Since the blade 2 is sinusoidal and not at the root nodules unevenness added, the same aspect ratio and the aspect ratio of the fan blades irregularities female fan blade 2. 叶片的翼型为NACA4412,并且保证盘面比与母型风机叶片相同。 Blade airfoil NACA4412, and the same ratio of the disk to ensure that the female fan blades.

Claims (3)

1.导缘凹凸风机,包括轮毂、叶片,叶片安装在轮毂上,其特征是:所述的叶片包括叶片随边和叶片导缘,叶片随边形状为直线,叶片导缘形状为正弦曲线,叶片旋转时叶片导缘产生反向旋转的漩涡。 1. The leading edge irregularities fan, including hub, blades, vanes mounted on the hub, characterized in that: said blade includes a blade trailing edge and the leading edge of the blade, the blade trailing edge shape of a straight line, the leading edge blade shape is sinusoidal, the blade leading edge vortex generating counter rotating blades rotate.
2.根据权利要求I所述的导缘凹凸风机,其特征是:R为以轮毂中心为圆心到叶片边缘的半径,r为叶片上正弦曲线起始位置与叶片根部的最小距离,h为正弦曲线波高,R : r : h=110 : 7 : 30。 According to claim irregularities leading edge of the fan I, wherein: R is the radius to the center of the hub center to the blade edge, r is the minimum distance of the starting position and the sinusoidal blade root of the blade, h is sinusoidal high curve wave, R: r: h = 110: 7: 30.
3.根据权利要求I或2所述的导缘凹凸风机,其特征是:所述的叶片的个数为3个,以轮毂中心为圆心到叶片边缘的半径为O. 55m,叶片上正弦曲线起始位置与叶片根部的最小距离为O. 15m,正弦曲线波高为O. 035m。 I according to claim irregularities leading edge of the fan or 2, characterized in that: the number of the blades is 3 to the center of the hub center to the blade edge radius O. 55m, a sine curve on the blade the minimum distance of the starting position and the blade root is O. 15m, sinusoidal wave height O. 035m.
CN 201210149469 2012-05-15 2012-05-15 Guide edge concave-convex fan CN102678479A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000015961A1 (en) * 1998-09-16 2000-03-23 Lm Glasfiber A/S Wind turbine blade with vortex generator
WO2001016482A1 (en) * 1999-09-01 2001-03-08 Stichting Energieonderzoek Centrum Nederland Blade for a wind turbine
CN201428551Y (en) * 2009-07-22 2010-03-24 中国科学院工程热物理研究所 Wind generator blade employing concave-convex front edge structure
CN201461226U (en) * 2009-08-05 2010-05-12 中国科学院工程热物理研究所 Vane
US20100215494A1 (en) * 2009-02-25 2010-08-26 Vestas Wind Systems A/S Wind Turbine Rotor Blade
CN202811219U (en) * 2012-05-15 2013-03-20 哈尔滨工程大学 Blower with concavo-convex guide edges

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000015961A1 (en) * 1998-09-16 2000-03-23 Lm Glasfiber A/S Wind turbine blade with vortex generator
WO2001016482A1 (en) * 1999-09-01 2001-03-08 Stichting Energieonderzoek Centrum Nederland Blade for a wind turbine
US20100215494A1 (en) * 2009-02-25 2010-08-26 Vestas Wind Systems A/S Wind Turbine Rotor Blade
CN201428551Y (en) * 2009-07-22 2010-03-24 中国科学院工程热物理研究所 Wind generator blade employing concave-convex front edge structure
CN201461226U (en) * 2009-08-05 2010-05-12 中国科学院工程热物理研究所 Vane
CN202811219U (en) * 2012-05-15 2013-03-20 哈尔滨工程大学 Blower with concavo-convex guide edges

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