CN112392652A - 一种利用风能发电的装置 - Google Patents
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- 238000010248 power generation Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims 6
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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
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor the axis being vertical
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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
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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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
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/02—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor having a plurality of rotors
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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
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/061—Rotors characterised by their aerodynamic shape, e.g. aerofoil profiles
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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
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/062—Rotors characterised by their construction elements
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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
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/302—Segmented or sectional blades
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
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- 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
- Y02E10/728—Onshore wind turbines
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- 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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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- General Engineering & Computer Science (AREA)
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- Power Engineering (AREA)
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Abstract
本发明涉及一种利用风能发电的装置,包括转子、转轴和支架,转子装在转轴上,转轴与支架旋转配合,所述转子由至少三个叶轮组成,每个叶轮是由上叶片和下叶片背靠背构成的对称结构,所述上叶片和下叶片均为管状结构,叶轮绕转轴圆周阵列在同一水平面上,叶轮的内端靠近转轴,上叶片和下叶片的外端截面均为曲面,转子与转轴固定配合。本发明叶轮结构紧凑,风能利用率进一步提高,只要有小的风力就能推动转子旋转做功,非常适合家庭和小用电量的场所使用。
Description
技术领域
本发明涉及一种利用风能发电的装置。
背景技术
目前,能源成为支撑国民经济发展的重要资源,许多能源是不可再生的,而且其开采和使用往往伴随着地质条件的改变和环境污染的产生,如:石油、天然气、煤炭等,直接影响人类生存环境和社会经济的可持续发展。因此,寻找和利用取之不尽,用之不竭的绿色能源成为世界各国的研究课题。目前,应用较为普遍的绿色能源有水能、太阳能和风能等,这些能源都是自然界提供的宝贵资源,最适合人类健康使用。这些能源至今还没有得到广泛的使用,究其源因不外乎受自然条件的限制和制造成本的影响。如:水力发电,必须有充足水源且水位落差大的河流,而且施工难度往往较高,工程量较大施工周期长,发电站往往远离使用地,需要架设电网输送电力,投资较大。风力发电,需要成规模的布设,往往建于山梁上有风路的地方,对自然地理条件有一定选择,往往远离城市,也需要远程输送电力,建造成本也较高。以上两种能源都不能直接以家庭作为使用对象。太阳能的一些利用已直接进入家庭。如:太阳能热水器,太阳能电池板等。但其提供的能量有限,如要提高功率需要扩大装置的采光面积,对于城市住宅而言十分方便,而且太阳能装置的使用寿命一般不长,需要定期更换和更新。北方风力资源较丰富,给风能的利用提供了良好的自然条件,但作为家庭或中小企业应用的小型风能装置还较少见。
发明内容
本发明的目的是提供一种风能利用率较高的适于家庭使用的利用风能发电的装置。
本发明的技术方案是:包括转子、转轴和支架,转子装在转轴上,转轴与支架旋转配合,所述转子由至少三个叶轮组成,每个叶轮是由上叶片和下叶片背靠背构成的对称结构,所述上叶片和下叶片均为管状结构,叶轮绕转轴圆周阵列在同一水平面上,叶轮的内端靠近转轴,上叶片和下叶片的外端截面均为曲面,转子与转轴固定配合。
所述上叶片和下叶片外端的曲面为螺旋状。
所述上叶片和下叶片的内端均与连接套固接为一体,连接套与转轴固接为一体。
所述转轴上可安装至少一个转子。
转轴的上端安装在支架顶部的轴承上,转轴的下端安装在支架底板的发电装置上。
所述的连接套分为两半,通过螺栓紧固为一体。
所述的连接套通过键槽配合与转轴紧固为一体。
本发明采用由上叶片和下叶片两个背靠背的对称结构,使每个叶轮的结构紧凑,风能利用率进一步提高。由于上叶片和下叶片均为管状结构,其外端截面为曲面,使上叶片和下叶片的受风面所受风力始终处于不平衡装态,稍有小风就能推动转子旋转。每个叶轮绕转轴圆周阵列在同一水平面上,不同方向来风均能吹动转子旋转。当来风吹向转子,上叶片和下叶片的内壁迎风时,由于内壁为内凹曲面,因此,风阻较大,能有效利用风能推动叶轮旋转。风吹向叶轮时,部分风从叶轮两端外泄,向转轴方向泄出的风直接作用在相邻叶轮的上叶片和下叶片内壁上,推动该相邻的叶轮旋转,进一步提高风能的利用率。同时,上叶片和下叶片的背面迎风时,由于该背面为外凸曲面,因此风阻较小,减小了对转子的反向推力。对此,只要有小的风力就能推动转子旋转做功,非常适合家庭和小用电量的场所使用。
附图说明
图1是本发明的结构示意图。
图2是本发明转子的结构示意图。
图3是图2的分解示意图。
具体实施方式
下面结合附图和实施例对本发明作进一步详细说明,但不构成对本发明的任何限制。图1所示,本发明包括转子、转轴4和支架5,转子装在转轴4上,转轴4与支架5旋转配合,转子由至少三个叶轮组成。图2和图3所示,每个叶轮是由上叶片1和下叶片2背靠背构成的对称结构,上叶片1和下叶片2均为弯折而成的管状结构,每个叶轮均绕转轴4圆周阵列在同一水平面上,每个叶轮的内端靠近转轴4,上叶片1和下叶片2的外端截面均为曲面。转子与转轴4固定配合。本实施例中优选上叶片1和下叶片2外端的曲面为螺旋状,构成上叶片1和下叶片2为不对称结构,同时也更加节省材料。为安装更加可靠,上叶片1和下叶片2的内端均与连接套3焊接或铆接为一体,连接套3通过键槽配合与转轴4固接为一体。所述的连接套3可分为两半的结构,通过螺栓紧固为一体。图1所示,转轴4的上端安装在支架5顶部的轴承上,转轴4的下端安装在支架5底板的发电装置6上。为提高功率,转轴4上可以安装多个转子。所述的发电装置6为现有技术,其选型、安装和使用均为同行普通技术人员所掌握,在此不再赘述。
由于转子不论上下、左右、前后方向均呈不对称的结构,当遇有小风时,转子受力就不平衡,从而推动转子高效旋转。当来风吹在上叶片1和下叶片2内壁上时,由于内壁是内凹结构,风泄漏的较少,风阻较大,风能利用率较高,直接推动转子旋转。同时,吹到上叶片1和下叶片2内壁上的风,一部分要向转轴4方向流出,流出的风正好作用在相邻上叶片1和下叶片2的内壁上,直接推动转子旋转,风能的利用率较高。在风力的不断作用下,部分风力直接作用在上叶片1和下叶片2上做功,从上叶片1和下叶片2流出的正好作用在相邻上叶片1和下叶片2内壁上的风不断传向下一个相邻的上叶片1和下叶片2,使转子快速旋转做功。当来风吹在上叶片1和下叶片2内壁上的同时,还有一部分风吹在相邻的上叶片1和下叶片2外壁即背面上,由于背面为外凸曲面,因此风阻较小,减小了对转子的反向推力。由于上叶片1和下叶片2背面所受风力远小于正面即内壁所受风力,因此,转子受力旋转做功。
Claims (7)
1.一种利用风能发电的装置,包括转子、转轴(4)和支架(5),转子装在转轴(4)上,转轴(4)与支架(5)旋转配合,其特征在于:所述转子由至少三个叶轮组成,每个叶轮是由上叶片(1)和下叶片(2)背靠背构成的对称结构,所述上叶片(1)和下叶片(2)均为管状结构,每个叶轮均绕转轴(4)圆周阵列在同一水平面上,每个叶轮的内端靠近转轴(4),上叶片(1)和下叶片(2)的外端截面均为曲面,转子与转轴(4)固定配合。
2.根据权利要求1所述的利用风能发电的装置,其特征在于:所述上叶片(1)和下叶片(2)外端的曲面为螺旋状。
3.根据权利要求1所述的利用风能发电的装置,其特征在于:所述上叶片(1)和下叶片(2)的内端均与连接套(3)固接为一体,连接套(3)与转轴(4)固接为一体。
4.根据权利要求1所述的利用风能发电的装置,其特征在于:所述转轴(4)上可安装至少一个转子。
5.根据权利要求1所述的利用风能发电的装置,其特征在于:转轴(4)的上端安装在支架(5)顶部的轴承上,转轴(4)的下端安装在支架(5)底板的发电装置上(6)。
6.根据权利要求3所述的利用风能发电的装置,其特征在于:所述的连接套(3)分为两半,通过螺栓紧固为一体。
7.根据权利要求3或5所述的利用风能发电的装置,其特征在于:所述的连接套(3)通过键槽配合与转轴(4)紧固为一体。
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Citations (5)
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WO2003052268A1 (fr) * | 2001-12-14 | 2003-06-26 | Global Energy Co., Ltd. | Aerogenerateur, eolienne, arbre et pale de l'eolienne |
CN2797675Y (zh) * | 2005-03-26 | 2006-07-19 | 陈晓东 | 垂直轴风力机 |
CN101293142A (zh) * | 2007-04-27 | 2008-10-29 | 刘贺砢 | 具有出入式内部叶片的装饰用叶片 |
KR20130027183A (ko) * | 2011-09-07 | 2013-03-15 | 김석민 | 풍력 발전 장치 |
CN214366529U (zh) * | 2020-12-07 | 2021-10-08 | 山西玉通机械设备有限公司 | 利用风能发电的装置 |
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Patent Citations (5)
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---|---|---|---|---|
WO2003052268A1 (fr) * | 2001-12-14 | 2003-06-26 | Global Energy Co., Ltd. | Aerogenerateur, eolienne, arbre et pale de l'eolienne |
CN2797675Y (zh) * | 2005-03-26 | 2006-07-19 | 陈晓东 | 垂直轴风力机 |
CN101293142A (zh) * | 2007-04-27 | 2008-10-29 | 刘贺砢 | 具有出入式内部叶片的装饰用叶片 |
KR20130027183A (ko) * | 2011-09-07 | 2013-03-15 | 김석민 | 풍력 발전 장치 |
CN214366529U (zh) * | 2020-12-07 | 2021-10-08 | 山西玉通机械设备有限公司 | 利用风能发电的装置 |
Non-Patent Citations (1)
Title |
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科技达人Y叔, pages 08 - 03, Retrieved from the Internet <URL:https://haokan.baidu.com/v?pd=wisenatural&vid=13951987056426552502&source=1030865f-0-1029429w> * |
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