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Publication numberCN102678479 A
Publication typeApplication
Application numberCN 201210149469
Publication date19 Sep 2012
Filing date15 May 2012
Priority date15 May 2012
Publication number201210149469.2, CN 102678479 A, CN 102678479A, CN 201210149469, CN-A-102678479, CN102678479 A, CN102678479A, CN201210149469, CN201210149469.2
Inventors于凯, 常欣, 王超, 程相茹, 郭春雨
Applicant哈尔滨工程大学
Export CitationBiBTeX, EndNote, RefMan
External Links: SIPO, Espacenet
Guide edge concave-convex fan
CN 102678479 A
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.
Claims(3)  translated from Chinese
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 leading edge and the blade trailing edge, the blade shape with straight edges, the blade leading edge shape is sinusoidal, When the leading edge of the blades rotate counter-rotating blades generate swirl.
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 I wherein the leading edge irregularities fan, wherein: R is a circle with the center of the hub to the blade edge radius, r is the sine curve starting position and the blade root of the blade of the minimum distance, h is the sine curve wave height, 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。 According to claim I or leading edge of the fan irregularities 2, characterized in that: the number of the leaves of three, to the hub center of a circle to the edge of the blade radius of O. 55m, leaves sinusoid The minimum distance between the starting position and the blade root of O. 15m, sinusoidal wave height of O. 035m.
Description  translated from Chinese

导缘四凸风机 Leading edge of the four convex fan

技术领域 Technical 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, specifically wind turbines.

背景技术 Background

[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] Yun wind as a green energy for its huge amount can be regenerated, widely distributed, no pollution benefits 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, so development potential and application prospects. 风机叶片性能的好坏与风机效率密切相关。 Fan blade performance quality 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 high performance fan is very meaningful.

发明内容 DISCLOSURE

[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 is to provide a wind power when you can convert more electricity leading edge irregularities fan. [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 blade leading edge, the blade trailing edge shape is a straight line, the guide edge of the blade shape sine curve, the blade leading edge vortex generated when the counter-rotating blade rotation.

[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 to the hub center of a circle to the blade edge radius, r is the blade on the minimum distance sine curve starting position and the blade root, h sinusoidal wave height, 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, the center of a circle to the hub to the blade edge radius of 0. 55m, the sine curve starting position and the blade root of the blade of the minimum distance of 0. 15m, sine 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 advantages of the present invention is that: the present invention changes only the shape of the blade structure without adding additional devices. 在风力发电时可以转换更多的电能。 When wind power can convert more electricity.

附图说明 Brief Description

[0010] 图I为凹凸风机叶片示意图; [0010] FIG. 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] The following example with reference to 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] FIG conjunction I~2, the present invention leading edge irregularities fan comprises a hub I, blade 2, blade 2 is mounted on the hub I, with the blade 2 comprises a blade leading edge side of the blade 3 and 4, the shape of the blade with the edge 4 straight blade leading edge 3 is sinusoidal shape, 2 rotary blade leading edge of the blade 3 generates a counter-rotating vortex, R is in the center of a circle hub I to the second edge of the blade radius, r is the sine curve start the blade 2 The minimum distance between the position of the blade root 2, h is sinusoidal wave height, 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] the blade 2 is 3, a set of specific parameters given below 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 hub center of a circle to I 2 edge blade radius of 0. 55m, 2 sine curve starting position of the blade 2 blade root minimum distance of 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] uneven fan blade 2 is in operation, the blade edge unsmoothleading 2 3 will produce counter-rotating swirl, swirl uneven leading edge 3 can be generated by absorption and utilization, this part of the energy is re-injected into the fluid, improve blade aerodynamic performance. 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。 Because it is sinusoidal and not at the root of the blade 2 plus irregularities nodules, so the same aspect ratio and uneven fan blade female fan blades 2 aspect ratio. 叶片的翼型为NACA4412,并且保证盘面比与母型风机叶片相同。 Vane airfoil NACA4412, and to ensure the parent disk than the same type of wind turbine blades.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
CN201428551Y *22 Jul 200924 Mar 2010中国科学院工程热物理研究所Wind generator blade employing concave-convex front edge structure
CN201461226U *5 Aug 200912 May 2010中国科学院工程热物理研究所Vane
CN202811219U *15 May 201220 Mar 2013哈尔滨工程大学Blower with concavo-convex guide edges
US20100215494 *31 Mar 200926 Aug 2010Vestas Wind Systems A/SWind Turbine Rotor Blade
WO2000015961A1 *16 Sep 199923 Mar 2000Lm Glasfiber A/SWind turbine blade with vortex generator
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Classifications
International ClassificationF03D1/06
Cooperative ClassificationY02E10/721
Legal Events
DateCodeEventDescription
19 Sep 2012C06Publication
14 Nov 2012C10Entry into substantive examination
25 Jun 2014C02Deemed withdrawal of patent application after publication (patent law 2001)