CN113153626A - 聚风双轮同步式风力发电风机 - Google Patents
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Abstract
本发明公开了一种风力发电风机装置(图8),它属于轮式机械类。其解决了现有风力发电风能利风率低,风叶制造技术难度大,成本太高,没有自动防护功能等缺陷。它主要包括活页式聚风板及板窗,装有同步齿轮的双轮风叶组,机体,支架,底座或塔杆,地锚等。活页聚风板用于汇聚和泄放风气流,同步双轮风叶组将风气流动力传给发电机发电,机体用于风气流导流和固定风叶组,支架将机体固着在底座或塔杆上,地锚用于稳固塔杆。本发明主要用于风力发电。
Description
技术领域:
本发明涉及一种新型风力发电轮式机械装置
背景技术:
传统风力发电风机风能利用率低,风叶过大,制造技术难度大,造价高不利于推广,风 速过大时不能自我防护,靠外加设备,不仅增加成本,还有安全隐患。
发明内容:
为解决风能利用率低,风叶过大制造投术难度大成本高,存在安全隐患等问题,本发明 提供了一种聚风双轮同步式风力发电风机。
当前传统风力发电机由巨大的风叶和巨型支拄构成,依靠风叶曲面风气流分力推动发电。 风能利用率低,寻风转向要增加风向感应器及驱动电机实现,这增加了成本;风速过大时靠 另外设备调整风叶角度的来防止风损,一旦此设备出现故障,风机可能受损,存在安全隐患。 风叶巨大,建造技术要求高,要专业工厂生产制造,且成本大,一般工厂不能生产制造,运 输安装成本也高,不利于推广。本发明的聚风双轮同步风力发电风机,自动寻风转向不需要 另加设备,聚风板的独特设计,风速小时聚风,提高风能利用率,风速过大时泄风,自动保 护风机,无安全隐患。同步双轮设计能便本风机与传统风机在输出功率相同条件下,风叶长 度大大减小,且形状材质无严格要求,提高风能利用率,易于建造,普通机械制造工厂都可 建造生产,且成本较低利于推广。风机安装在塔杆类支柱顶部的,由于风叶不像传统风机风 叶那么长,可以设置地锚稳固如图3所示,减少基础建筑挆资。整体结构原理模型如图1 所示。
聚风板结构部分:见图1和图5,当风气流从聚风板框进入风机,通过图中聚风板1、2、 3、4围成的聚风斗,聚合后吹向风叶轮12的左半边;通过聚风板5、6、7、8围成的聚风 斗聚合后,吹向风叶轮13的右半边,同步齿轮16分别固定在风叶轮轴14、15上,两风叶 轮通过同步齿轮保障风叶等速合力运转发电,而风叶运转的逆风面,在没有聚风机4,5情 况下是风叶运转发电的阻力面,吹向此区域的风气流,被聚风板4,5屏蔽导流聚合成有用 动力风气流吹向风叶发电。
泄风结构机制:8块话页聚风板通过弹簧轴11安装在聚风板框架10上,并且聚风板板而 上装有同样功能的话页弹簧轴聚风板窗9,当风速过大时,装在聚风板1,2,3,6,7,8上的活页弹簧轴板窗弹力较小的先被吹开泄风,风速再大时聚风板1,2,3,6,7,8和聚 风板4,5上的板窗,因轴弹力不等被依次吹开泄风,风速特大时包括轴弹力最大的聚风板 4,5全部被吹开泄风,从而在不影响风叶运转发电的情况下,保护风机免受风损。
双轮同步风叶组部分:如图1,图6,由风叶12,13,风叶轴14,15,同步齿轮16构 成,通过轴承30固定在机体上下面18,19上,风叶组有两种结构方式,如图2图4所示, 图2A图4A风叶组轴距略大于风叶运转半径,风叶运转时呈″齿合”状态,风叶以齿合要求, 每轮风叶个数可设计成2个,3个,4个,形状可做成平面或曲面。这种结构的优点是聚风 板4,5可节省面积,缺点是风叶形状和个数因齿合需要受限。图2,图4B,风叶组轴距略 大于风叶运转直径,聚风板4,5面积较大,优点是风叶形状个数可自由设计,能做得更坚 固更高效利用风能。发电机可连接任一风叶轴发电。可根据实际需要选择其中一种。
机体部分:见图1,图7由平面板17,18,19,20,和曲面板21,22,构成相对密封 的空间,上面有4个轴承座用于安装风叶轮组,起导流增风压增风效作用。曲面板曲度是风 叶运转时,风叶外端形成的弧度,大小是相临两风叶外端连线与风向平行时相交于曲面上切 割的最小面积。
寻风转向部分:当风从任一方向吹向风机由底座(包括平台29,中心柱23,轨道28,主柱 转向轴承24)与支架系统(包括轨道轮27,支架腿26,支架25,)构成寻风转向结构,由偏心 原理实现自动寻风转向功能。节省传统风机另装风向感应器及驱动电机等设备成本。在将风 车安装塔杆类顶端时‘如图3所示,则增加支撑1和主轴转向轴承7替代图1中的底座及其 它转向机构实现寻风转向。因风叶不同于传统风机的风叶可设置地锚3加固,减小基础建筑 挆资。
附图说明:
图1为本发明风机整体结构示意图,标记1.聚风板1,2.聚风板2,3.聚风板3,4.聚风板4,5.聚风板5,6.聚风板6,7.聚风板7,8.聚风板8,9.聚风板窗(同形状8个), 10.聚风板框架(24条边),11.聚风板弹簧轴(同形状8个),12.四叶风叶轮左轮风叶,13.四 叶风叶轮右轮风叶,14.左风叶轮轴,15.右风叶轮轴,16.同步齿轮(2个),17.机体上面, 18.机体下面,19.机体左面,20.机体右面,21.机体左曲面,22.机体右曲面,23.主轴 柱,24.主轴柱轴承,25.支架,26.支架腿(同形状2个),27.支架腿轮(同形状2个),28. 轨道,29.底座平台,30.风叶轴轴承(同形状4个)。
图2是两种四叶平面风叶组聚风原理截面图,其中图2A为风叶齿合状态图(风叶轴距略 大于风叶运转半径),图2B为风叶不齿合紧邻状态(风叶轴距略大于风叶运行直径)。箭头为 风气流方向,标号2.聚风板2,4.聚风板4,5.聚风板5,7.聚风板7,12.风叶轮左轮风叶,13.风叶轮右轮风叶,14.左风叶轮轴,15.右风叶轮轴。
图4是曲面三叶齿合风叶组和多叶不齿合风叶组聚风原理截面图,标号4,5,2,7为聚风板,12.左风叶轮风叶,13.右风叶轮风叶,14.左风叶轮轴,15.右风叶轮轴,其中 箭头方向为风气流方向,图4A为曲面三叶齿合状态图,图4B为曲面多叶不齿合状图。
图3为风机置于塔杆类支承物顶端示意图,标号1.外加稳固支撑,2.风机支架,3.地 锚线,4.主轴柱,5.6.主轴转向轴承,7.外加支撑转向轴承,8.塔杆。
图5为聚风板结构部分及其在风机的位置图,标号1.2.3.4.5.6.7.8.为聚风板,9.聚 风板窗(同形状8个),10聚风板框架(共24条边构成),11.聚风板弹簧轴(同形状8个),12. 聚风板在本发明风机的位置。
图6为风叶组和同步齿轮及其在风机的位置图,标号1.同步齿轮组在风机的位置,2.风 叶组在风机的位置,12.四叶风叶组左风叶,13.四叶风叶组右风叶,14.左风叶轮轴,15. 右风叶轮轴,16.同步齿轮,30.风叶轴轴承(同形状4个)。
图7为机体部分结构及其在风机的位置,标号1.机体在风机的位置17.机体上面板, 18.机体下面板,19.机体左面板,20.机体右面板,21.机体左曲面板,22.机体右曲面板。
图8为本发明风机简介图,本图定为本发明说明书摘要附图,标号1.聚风板,2.风叶 组,3.机体,4.同步齿轮,5.聚风板窗,6.支架,7.塔杆,8.地锚,9.底座。
具体实施方式:以上说明都是以结构原理模型为对象,在实际建设中可根据地理,经济 等条件因地制宜调整设计和建造。
本发明设计方案,与现有技术相比,可以达到以下技术效果:
1,提高单位面积的风能利用率
2,有自动保护功能,防止风速过大损坏设备的效果更好
3,风叶制造技术及材料要求不严格,普通机械制造工厂可生产
4,同输出功率的风机,建造成本较低,易于推广。
Claims (7)
1.一种聚风双轮同步发电风机,包括活页式聚风板及板窗,装有同步齿轮的双轮风叶组,机体,支架,底座(或塔杆、地锚)等,其特征在于活页聚风板和聚风板上装有话页聚风板窗,活页聚风板通过聚风板框架连接内装同步齿轮的风叶组的机体,通过支架固着在圆形轨道底座上或塔杆主轴柱上,地锚稳固塔杆,构成高效利用风能、自动防风损,制造成本低,易于制造和推广的风机装置。
2.根据权利要求1所述的风机,其特征在于8块聚风板成梯形,梯形长底边装有弹簧轴成话页式,固定在聚风板框架上,在弹力作用下围成两个并联的斗形聚风板框,聚风板和风向成45度角。
3.根据权利要求2所述的聚风板,其特征在于板面上装有弹簧轴活页聚风板窗,弹簧弹力和板窗面积大小不等,与聚风板共同组成多级次阶梯泄风机制。
4.根据权利要求1所述的风机,其特征在于装有同步齿轮(或其它同步设备)的风叶组,两组风叶各参数相同,两风叶组以风叶轴距不等可做成两种:一种轴距略大于风叶运转半经,风叶运转成齿合状;另一种轴距略大于风叶运转直径,风叶运转不齿合,风叶形状个数自由设计。
5.根据权利要求1所述的风机,其机体特征在于进风口与聚风板框架连接,内装风叶组,由4块平面板和两块曲面板构成固定在支架上,曲面板的曲度是风叶运转时形成的弧度,大小是:通过两相邻风叶最外端画一直线与风向平行,其外侧一平行线,正好与曲面板的出风口外边界相交。
6.根据权利要求1所述的风机,其特征在于底座是以中心柱为圆心,以支架转向轮轨道为圆周固定在工作平台上,通过与轨道适配的转向轮和转向主柱轴承与支架联接,为坚固用钢结构建造。
7.根据权利要求6所述的风机底座安装在工作平台上,当风机安装在塔杆类顶端时,其特征在于用另加风机支撑架和主柱转向轴承替代转向底座机构,并增设地锚稳固整个装置。
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US4074951A (en) * | 1975-05-09 | 1978-02-21 | Hudson Gerald E | Wind power converter |
CN85203940U (zh) * | 1985-09-15 | 1987-04-22 | 吴闻 | 风力机用旋风塔 |
US5969430A (en) * | 1998-03-05 | 1999-10-19 | Forrey; Donald C. | Dual turbine wind/electricity converter |
JP4402741B1 (ja) * | 2009-06-15 | 2010-01-20 | 佐野 裕二 | 垂直並列連動型風力発電装置 |
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