CN109538422B - 一种波浪能和风能互补能量供应平台 - Google Patents
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Abstract
本发明公开了一种波浪能和风能互补能量供应平台,包括半潜式水下基体、风力发电系统、气动波浪能发电系统、液压波浪能发电系统和综合电力控制系统,半潜式水下基体包括三角形的平板浮舱、竖直安装在平板浮舱三个角部的中心管和竖直安装在平板浮舱中部的圆柱浮舱,气动波浪能发电系统分别安装在各中心管顶端,用于气动式波浪发电,风力发电系统安装在圆柱浮舱顶端,用于风力发电,液压波浪能发电系统的鹰式吸波浮体安装在每两个中心管之间,用于浮体式波浪发电。本发明集合了两种不同的波浪能转换方式,充分利用多能互补来实现从波浪能到电能的转换,增加了平台发电量,实现了各个能种优化互补,提高了海洋可再生能源利用的经济效益。
Description
技术领域
本发明涉及海上可再生能源利用技术领域,具体涉及一种波浪能和风能互补能量供应平台。
背景技术
海洋风能和波浪能都属于海洋可再生能源,我国海洋面积广阔,海洋风能和波浪能资源丰富,开发海洋可再生能源的对于解决偏远岛屿电力和淡水供应意义重大,可以为开发海岛发展海洋经济提供能源供应保障。目前海洋风能技术已经趋于成熟,进入了商业化开发期间,波浪能发电技术也已经进入大规模示范阶段。但是,海洋风能和波浪能利用过程中有一个重要的问题需要面对,就是由于这两种能量利用的场所都是在海上,涉及的海洋工程作业量比较大,因此利用成本较高,如何提高能量利用率成了降低成本的关键。目前海洋风能和波浪能都是独立运行发电的,很少有风能和波浪能综合利用的先例。如果在一个平台上可以综合利用海洋风能和波浪能,那么平台的发电量可以增加很多,进而提高发电平台的能量利用率,降低发电成本。
发明内容
本发明的目的在于提供一种波浪能和风能互补能量供应平台,将波浪能和海洋风能集中到了一个发电平台上,实现波浪能和海洋风能综合利用,从而提高海洋可再生能源的综合利用率,降低海洋可再生能源互补发电平台的成本。
为实现上述目的,本发明的技术方案是:
一种波浪能和风能互补能量供应平台,包括半潜式水下基体、风力发电系统、气动波浪能发电系统、液压波浪能发电系统和综合电力控制系统,半潜式水下基体为三角框架结构,包括三角形的平板浮舱、竖直安装在平板浮舱三个角部的中心管、竖直安装在平板浮舱中部的圆柱浮舱、连接中心管与中心管的框架结构、以及连接中心管与圆柱浮舱的桁架结构,中心管底面敞开与海洋相通,顶面封闭并设有透气孔,气动波浪能发电系统安装在各中心管顶面,并通过透气孔与中心管内部相通,风力发电系统安装在圆柱浮舱顶端,液压式波浪能发电系统安装在中心管之间,综合电力控制系统安装在圆柱浮舱内,风力发电系统、气动波浪能发电系统和液压波浪能发电系统均与综合电力控制系统电连接。
进一步地,所述的风力发电系统包括塔架和风力发电机,塔架固定在圆柱浮舱顶端,风力发电机安装在塔架上,风力发电机通过电缆与综合电力控制系统连接。
进一步地,所述的气动波浪能发电系统包括气动转换系统保护盖、空气透平和永磁发电机,气动转换系统保护盖扣合在中心管顶面构成腔体,气动转换系统保护盖上设有与透气孔相连的单向进气阀,永磁发电机固定在气动转换系统保护盖中,空气透平位于透气孔的正上方,并通过联轴器和永磁发电机连接,永磁发电机通过电缆与综合电力控制系统连接。
进一步地,为了给腔体补充气压,所述的气动转换系统保护盖上还设有使外部空气进入腔体的单向进气阀。
进一步地,所述的液压波浪能发电系统包括鹰式吸波浮体、液压缸、合页平台和液压能量转换系统,合页平台绕圆柱浮舱安装在平板浮舱上,液压能量转换系统安装在圆柱浮舱内,鹰式吸波浮体位于每两个中心管之间,并通过铰接合页和浮体支撑臂铰接在合页平台上,液压缸的上端连接在浮体支撑臂上,下端连接在平板浮舱上,并通过液压管与液压能量转换系统连接,液压能量转换系统通过电缆与综合电力控制系统连接。
本发明将波浪能和海洋风能集中到了一个发电平台上,增加了平台发电量,并且实现了各个能种优化互补,挺高了海洋可再生能源利用的经济效益。采用半潜式的水下平台,使平台的运输和布放过程简单,降低海洋工程费用,为波浪能和海洋风能综合利用走向商业化运行打下基础。
本发明与现有技术相比,其有益效果在于:
1、本发明的波浪能发电系统,集合了两种不同的波浪能转换方式,充分利用多能互补来实现从波浪能到电能的转换。
2、本发明的水下基体采用半潜式三角框架结构,平台稳定性好,三个鹰式吸波浮体分别位于水下基体的三个方向,可充分利用各个方向的来波,提高液压波浪能发电效率。
附图说明
图1是本发明的水下基体的俯视图;
图2是本发明的水下基体的主视图;
图3是本发明的波浪能装置与水下基体安装关系的俯视图;
图4是本发明的波浪能和风能互补能量供应平台的主视图;
图5是本发明的波浪能和风能互补能量供应平台的工作状态图;
附图标记说明:1-中心管;2-透气孔;3-框架结构;4-桁架结构;5-圆柱浮舱;6-平板浮舱;7-气动转换系统保护盖;8-空气透平;9-永磁发电机;10-鹰式吸波浮体;11-液压缸;12-合页平台;13-铰接合页;14-浮体支撑臂;15-塔架;16-风力发电机;17-电缆;18-液压管;19-综合电力控制系统;20-液压能量转换系统。
具体实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂,下面结合附图和具体实施方式对本发明作进一步详细的说明。
如图1至图4所示,一种波浪能和风能互补能量供应平台,包括半潜式水下基体、风力发电系统、气动波浪能发电系统、液压波浪能发电系统和综合电力控制系统19。
半潜式水下基体为三角框架结构,包括中心管1、框架结构3、桁架结构4、圆柱浮舱5和平板浮舱6。平板浮舱6呈正三角形结构,三个中心管1底部分别焊接在平板浮舱6的三个角部,中部和顶部分别通过框架结构3相互连接。圆柱浮舱5底部固定在平板浮舱6中心,中部和顶部分别通过桁架结构4与三个中心管1连接。中心管1底面敞开与海洋相通,顶面封闭并设有透气孔2。气动波浪能发电系统分别安装在三个中心管1顶面,并通过透气孔2与中心管1内部相通,风力发电系统安装在圆柱浮舱5顶端,液压式波浪能发电系统安装在各中心管1之间,综合电力控制系统19安装在圆柱浮舱5内。
风力发电系统包括塔架15和风力发电机16,塔架15固定在圆柱浮舱5顶端,风力发电机16安装在塔架15上。在海风的驱动下,风力发电机16的叶片旋转发电,风力发电机16发出的电通过电缆17输入综合电力控制系统风19。
气动波浪能发电系统包括气动转换系统保护盖7、空气透平8和永磁发电机9,空气透平8和永磁发电机9通过联轴器连接,并固定在气动转换系统保护盖7上,气动系统转换保护盖7用螺栓连接在中心管1顶面构成腔体,从而使从透气孔2进入的压缩空气可以推动空气透平8转动,带动永磁发电机9发电,永磁发电机9发出的电同样通过电缆17输入综合电力控制系统19。为了给腔体补充气压,气动转换系统保护盖7上还设有使外部空气进入腔体的单向进气阀。
液压波浪能发电系统包括鹰式吸波浮体10、液压缸11、合页平台12、铰接合页13、浮体支撑臂14和液压能量转换系统20,合页平台12绕圆柱浮舱5固定在平板浮舱6上,液压能量转换系统20安装在圆柱浮舱5内,鹰式吸波浮体10为三个,分别安装在每两个中心管1之间,并通过铰接合页13和浮体支撑臂14铰接在合页平台12上,使鹰式吸波浮体10只能绕铰接点旋转,液压缸11的上端铰接在浮体支撑臂14上,下端铰接在平板浮舱6上,出油口通过液压管18与液压能量转换系统20连接,液压能量转换系统20将液压缸11直线运动的机械能转变成电能,再通过电缆17输入综合电力控制系统19。
本发明的能量互补平台运至指定的海洋布放位置时,将平台下潜至工作位置,平台的大部分都位于水平面以下,如图5所示,此时,平台的风力发电系统和普通的海洋浮式风力发电系统基本一样,在海风的吹动下,风机叶片带动风力发电机16发电。
此外,由于水下基体的三个中心管1和海洋连通,所以中心管1中会有海水进入,在静水面的情况下,中心管1内的水面和大海海平面一致,当有波浪作用时,中心管1的水平面会随着海平面的起伏而起伏,形成振荡水柱,由于中心管1中的水柱上下的振动,从而压缩中心管1上端的空气,将水柱的机械能转换为空气的压力能,而压缩空气便会通过中心管1顶端的透气孔2喷出,冲击空气透平8,使空气透平8转动,将压力能转换为空气透平8的旋转机械能,空气透平8旋转带动永磁发电机9同步旋转,从而最终转换成电能。
同时,在波浪的作用下,鹰式吸波浮体5绕铰接合页13往复旋转,连接在鹰式吸波浮体5下端的液压缸11将相对于平板浮箱6做往复直线运动,在液压缸11往复运动过程中,液压缸筒内的液压油通过液压管18不断的被送入液压能量转换系统20中储存,等到储存至一定的量,液压油释放带动液压马达和发电机发电。
风力发电系统、气动波浪能发电系统和液压波浪能发电系统发出的电都被输入到综合电力控制系统19,进行电力变换和处理,经过处理的电力达到要求之后送入电网或蓄电池。
上述实施例只是为了说明本发明的技术构思及特点,其目的是在于让本领域内的普通技术人员能够了解本发明的内容并据以实施,并不能以此限制本发明的保护范围。凡是根据本发明内容的实质所做出的等效的变化或修饰,都应涵盖在本发明的保护范围内。
Claims (3)
1.一种波浪能和风能互补能量供应平台,其特征在于:包括半潜式水下基体、风力发电系统、气动波浪能发电系统、液压波浪能发电系统和综合电力控制系统(19),半潜式水下基体为三角框架结构,包括三角形的平板浮舱(6)、竖直安装在平板浮舱(6)三个角部的中心管(1)、竖直安装在平板浮舱(6)中部的圆柱浮舱(5)、连接中心管(1)与中心管(1)的框架结构(3)、以及连接中心管(1)与圆柱浮舱(5)的桁架结构(4),中心管(1)底面敞开与海洋相通,顶面封闭并设有透气孔(2),气动波浪能发电系统分别安装在各中心管(1)顶面,并通过透气孔(2)与中心管(1)内部相通,风力发电系统安装在圆柱浮舱(5)顶端,液压式波浪能发电系统安装在各中心管(1)之间,综合电力控制系统(19)安装在圆柱浮舱(5)内,风力发电系统、气动波浪能发电系统和液压波浪能发电系统均与综合电力控制系统(19)电连接;所述的气动波浪能发电系统包括气动转换系统保护盖(7)、空气透平(8)和永磁发电机(9),气动转换系统保护盖(7)扣合在中心管(1)顶面构成腔体,永磁发电机(9)固定在气动转换系统保护盖(7)中,空气透平(8)位于透气孔(2)的正上方,并通过联轴器和永磁发电机(9)连接,永磁发电机(9)通过电缆(17)与综合电力控制系统(19)连接;所述的液压波浪能发电系统包括鹰式吸波浮体(10)、液压缸(11)、合页平台(12)和液压能量转换系统(20),合页平台(12)绕圆柱浮舱(5)安装在平板浮舱(6)上,液压能量转换系统(20)安装在圆柱浮舱(5)内,鹰式吸波浮体(10)位于每两个中心管(1)之间,并通过铰接合页(13)和浮体支撑臂(14)铰接在合页平台(12)上,液压缸(11)的上端连接在浮体支撑臂(14)上,下端连接在平板浮舱(6)上,并通过液压管(18)与液压能量转换系统(20)连接,液压能量转换系统(20)通过电缆(17)与综合电力控制系统(19)连接。
2.根据权利要求1所述的一种波浪能和风能互补能量供应平台,其特征在于:所述的风力发电系统包括塔架(15)和风力发电机(16),塔架(15)固定在圆柱浮舱(5)顶端,风力发电机(16)安装在塔架(15)上,风力发电机(16)通过电缆(17)与综合电力控制系统(19)连接。
3.根据权利要求1所述的一种波浪能和风能互补能量供应平台,其特征在于:所述的气动转换系统保护盖(7)上还设有使外部空气进入腔体的单向进气阀。
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