CN101245766A - 高空风能利用的方法 - Google Patents

高空风能利用的方法 Download PDF

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CN101245766A
CN101245766A CNA2007100776489A CN200710077648A CN101245766A CN 101245766 A CN101245766 A CN 101245766A CN A2007100776489 A CNA2007100776489 A CN A2007100776489A CN 200710077648 A CN200710077648 A CN 200710077648A CN 101245766 A CN101245766 A CN 101245766A
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wind
wheel
wind wheel
high altitude
wind energy
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李抚立
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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
    • 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
    • F03D15/00—Transmission of mechanical power
    • F03D15/10—Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
    • 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
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/12—Combinations of wind motors with apparatus storing energy storing kinetic energy, e.g. using flywheels
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H29/00—Drive mechanisms for toys in general
    • A63H29/10—Driving mechanisms actuated by flowing media
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H33/00—Other toys
    • A63H33/40—Windmills; Other toys actuated by air currents
    • 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
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/211—Rotors for wind turbines with vertical axis
    • F05B2240/213—Rotors for wind turbines with vertical axis of the Savonius type
    • 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
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/221—Rotors for wind turbines with horizontal axis
    • F05B2240/2212—Rotors for wind turbines with horizontal axis perpendicular to wind direction
    • 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
    • F05B2240/40—Use of a multiplicity of similar components
    • 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
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/92—Mounting on supporting structures or systems on an airbourne structure
    • F05B2240/921—Mounting on supporting structures or systems on an airbourne structure kept aloft due to aerodynamic effects
    • 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
    • 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
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)

Abstract

一种高空风能利用的方法，它是通过放飞高空的转动风轮的方式获取风能，当高空风力使风轮转动时，与风轮一体的上传动轮同时转动，通过牵引传动带(链)将转动能量传至安装在地面工作台的下传动轮，发电机或其他负荷设备可连接在下传动轮上。

Description

高空风能利用的方法
本发明涉及一种风能利用方法，特别是一种使用风筝来获得高空风能的方法。
目前公知的风力设备只能架设在地面或用高塔将风轮升至空中，由于风轮的安装高度非常有限，无法获取比地面大许多倍的高空风能，且设备制造成本较高。
本发明的目的是提供一种能够方便的获取高空风能，其设备造价低廉的高空风能利用的方法。
本发明是这样实现的，风能捕获采用了转动风轮，它的断面结构是S型，是由两个轴线错开近似半圆的柱型叶片组成，这种风轮在目前常规使用时是垂直安装于地面，属于垂直轴风力机。由于这种风力机在转动时会围绕风轮产生不对称旋转气流，致使转轴位置出现一个侧向推力，这个侧向力随着转速的增高而加大，对于大型风力机的运行有较大的危害，因而在某种程度上影响了它的普遍使用。如果把这种风轮水平放置，在风力使风轮朝上转动时，这个侧向推力就变成了向上的力，即成为了升力，一种转轮式风筝就是利用这个原理制成。本发明类似于这种转轮风筝，它是在风轮上加装了传动轮，并把风筝的牵引线改为了环型传动带或传动链，当风力使转轮风筝升至高空时，S型风轮带动上传动轮转动，风轮在捕获风能的同时，也为***提供了非常有益的升力。这个升力在保证本身不会落下的同时，还通过上传动轮及安装在地面的下传动轮将牵引传动带或传动链拉紧，并把旋转力由高空传送到地面，相应的负荷设备如发电机等可连接在地面传动轮上。
由于上述方案，大大降低了风力设备的制造和运行成本，有效的利用了高空风能。
以下结合说明书附图对本发明作详细的说明。
图1是本发明工作示意图。
图2是转动风轮的局部剖视示意图。
图3是转动风轮的A-A剖视示图。
图中1、牵引风筝2、风轮端轴3、牵引线4、牵引架5、支撑片6、8、传动带7、20、21、风轮9、平衡装置10、垂直翼11、水平翼12、上传动轮13、转动轴14、支架15、工作台16、轴套17、中心轴18、下传动轮19、牵引传动带(链)22、带轮
在图1中，风轮(20)(7)(21)上有带轮(22)，通过与带轮(22)相应传动带(6)(8)可使各风轮相互连接，风轮(7)(20)中间的支撑片(5)是为了增加风轮的强度而设计的。为了保证各风轮在强风时也能稳定工作，可在每个风轮上加装以轴(2)为圆心活动的平衡装置(9)，在风力的作用下，水平翼(11)使平衡装置(9)处于近似水平的状态，垂直翼(10)可让各风轮保持正对来风，以减少风轮(20)(7)(21)发生左右摆动及倾斜的情况。
下部的传动轮(18)通过转动轴(13)，支架(14)安装在工作台(15)上，中心轴(17)固定在地面，(16)是固定在平台上与中心轴(17)配合的轴套。当风向变化时，工作台(15)可在牵引传动带(链)(19)的牵引下以中心轴(17)为圆心随风转动，使上下传动轮(12)(18)始终保持直线状态。
本发明在使用单个风轮时，风能驱动风轮(21)转动的同时直接驱动上传动轮(12)转动，如使用串式风轮，风轮(7)(20)获得的转动力矩需经两端的带轮(22)及连接皮带(6)(8)和风轮(21)传递到上传动轮(12)上。通过与上传动轮(12)相配合，具有牵引和传输动力两个功能的牵引传动带(链)(19)，带动下传动轮(18)转动，从而完成了从高空捕获能量，再传送至地面的过程。安装在工作台(15)上的负荷设备可通过与下传动轮(18)相连接的变速齿轮连接，也可直接连在与传动轮(18)一体的转轴(13)上。
在地面的风力较弱时，单独放飞重量相对较大的风轮风筝会有一定的困难，这时可通过图1中上部的牵引风筝(1)来完成。上部牵引风筝(1)的牵引线(3)固定在牵引架(4)上，牵引架(4)的端部有与风轮(20)两端的转轴(2)相对应的轴孔，风轮(20)可在牵引架中自由转动。初始放飞时，先把相对小型且容易放飞的牵引风筝(1)放飞到高空，借助高空较大的风力，再将风轮(7)(20)(21)拉升到能够正常运转的高度，牵引绳(3)的长度要根据风力情况确定。在风力较大的风场可以省去牵引风筝(1)。为了方便制作与放飞，两类风筝都宜选用串式，各风筝串的组合数量可以根据风力机的功率确定，单个或由几十个甚至更多的组合均可。选择牵引传动带(链)(19)的时候，应尽可能不选金属链，因金属链相对较重，用金属链把风轮放飞到上千米的高空是不现实的，而且金属链有导电性易引发雷电事故，所以金属传动链只能在低空使用。
实际应用中，为了便于风轮(7)(20)(21)的收放，可在靠近牵引架(4)位置的牵引线(3)上再连接一条辅助拉线，当牵引风筝(1)的牵引线拉紧牵引架(4)的时候，这一拉线逐步放出，使整串风轮慢慢升起，在收回风筝时则将拉线逐步收回，避免放飞和收回过程中损坏风轮(7)(20)(21)。当各风轮正常转动进入工作状态后，这时的辅助拉线应放松，但仍要在适当的位置加以固定，以防止各风轮的传动带脱出或断裂导致整个风筝被风吹走的事故发生。
由于高空的风力有时会非常大，为了增加风能设备的机械强度，风筝均应避免使用软织物，宜选用玻璃钢和碳纤维。为了适应不同的风力，下传动轮(18)可以由多个不同直径的轮组合而成，以方便调整风能设备的输出转速。

Claims (3)

1. 一种高空风能利用的方法，其技术特征是：上传动轮能够在风轮的带动下与风轮一起转动，转动能量经上传动轮及相配合的牵引传动带(链)传至下传动轮输出。
2. 根据权利要求1的高空风能利用方法，其技术特征是：转动风轮可通过上部的牵引风筝提升到高空。
3. 根据权利要求1的高空风能利用方法，其技术特征是：风轮可通过两侧的带轮及传动带连接成风轮串。
CNA2007100776489A 2007-02-12 2007-02-12 高空风能利用的方法 Pending CN101245766A (zh)

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Application Number Priority Date Filing Date Title
CNA2007100776489A CN101245766A (zh) 2007-02-12 2007-02-12 高空风能利用的方法
PCT/CN2008/000255 WO2008101390A1 (fr) 2007-02-12 2008-02-01 Procédé et équipement spécial convertissant l'énergie éolienne à haute altitude en énergie cinétique sur le sol

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Application Number Priority Date Filing Date Title
CNA2007100776489A CN101245766A (zh) 2007-02-12 2007-02-12 高空风能利用的方法

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Cited By (1)

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JP2018502799A (ja) * 2014-11-27 2018-02-01 カイト・パワー・システムズ・リミテッド ウインチ

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FR3070372B1 (fr) * 2017-08-30 2020-08-28 Mickael Kiang Dispositif de vol de traction

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US6523781B2 (en) * 2000-08-30 2003-02-25 Gary Dean Ragner Axial-mode linear wind-turbine
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CN201045328Y (zh) * 2007-04-26 2008-04-09 李抚立 风筝风能转换装置收放机构

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018502799A (ja) * 2014-11-27 2018-02-01 カイト・パワー・システムズ・リミテッド ウインチ

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