CN113565665A - 一种可利用潮流能发电的拖式吊舱推进器 - Google Patents
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- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
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- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
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Abstract
本发明的目的在于提供一种可利用潮流能发电的拖式吊舱推进器,包括吊舱舱体、叶轮、潮流发电装置,潮流发电装置包括旋转电机、蓄电池,旋转电机和蓄电池位于吊舱舱体里,叶轮位于吊舱舱体尾部,叶轮通过传动轴连接旋转电机,旋转电机通过整流器连接蓄电池。本发明利用了船舶螺旋桨产生的尾流中的能量,并将该能量转化为了电能,起到了一定的节能效果;本发明根据实际的吊舱螺旋桨的水动力性能数据对叶轮的结构尺寸进行针对性的设置和调整,可降低吊舱推进器尾涡的不利影响,减弱因螺旋桨旋转给吊舱舱体带来的旋转涡流和侧推力的影响,改善了拖式吊舱推进器的水动力性能。
Description
技术领域
本发明涉及的是一种推进器,具体地说是船舶推进器。
背景技术
随着科技的发展,现代船舶的性能标准逐步提高。各政策法规对船舶的航行性能、节能环保等方面的要求也越来越严格。吊舱推进器凭借操纵性好、集成度高、便于安装和布置等优点被广泛应用于破冰船、邮轮、集装箱船、石油钻井平台。
吊舱推进器将推进电机悬挂在船舱外部,柴油发电机发出的电能通过电缆传输给置于船舱外部的电机,由电机驱动螺旋桨旋转,为船舶提供航行动力。
与传统的螺旋桨推进方式相比,由于拖式吊舱推进器桨叶方向与船舶航行的方向一致,其桨叶产生的尾流对吊舱有一定的影响,并且尾流中蕴藏了部分能量。
发明内容
本发明的目的在于提供能够在不影响吊舱推进器正常工作的前提下,利用尾流场中的潮流能进行发电,同时改善船舶的的加减速特性的一种可利用潮流能发电的拖式吊舱推进器。
本发明的目的是这样实现的:
本发明一种可利用潮流能发电的拖式吊舱推进器,其特征是:包括吊舱舱体、叶轮、潮流发电装置,潮流发电装置包括旋转电机、蓄电池,旋转电机和蓄电池位于吊舱舱体里,叶轮位于吊舱舱体尾部,叶轮通过传动轴连接旋转电机,旋转电机通过整流器连接蓄电池。
本发明还可以包括:
1、叶轮为两叶桨。
2、在船舶减速工况时,叶轮在吊舱桨作用产生的尾流下旋转,将海水的动能转化为叶轮的旋转动能,传动轴将该动能传递给旋转电机,旋转电机将此动能转化为电能并存储在蓄电池中;船舶处于加速工况时,旋转电机作为电动机工作,蓄电池中的能量被释放,旋转电机工作,将电能转变为动能,由传动轴传递给叶轮,作为船舶的推进装置,为船舶前进提供部分动力。
本发明的优势在于:
1)本发明中的潮流发电装置根据工况选择其功能,提高了船舶加减速工况时的工作特性;
2)本发明利用了船舶螺旋桨产生的尾流中的能量,并将该能量转化为了电能,起到了一定的节能效果;
3)本发明根据实际的吊舱螺旋桨的水动力性能数据对叶轮3的结构尺寸进行针对性的设置和调整,可降低吊舱推进器尾涡的不利影响,减弱因螺旋桨1旋转给吊舱舱体2带来的旋转涡流和侧推力的影响,改善了拖式吊舱推进器的水动力性能。
附图说明
图1为本发明的结构示意图;
图2为本发明的内部示意图。
具体实施方式
下面结合附图举例对本发明做更详细地描述:
结合图1-2,本发明将吊舱推进器与潮流发电装置相连,提供了一种可利用潮流能发电装置,以此提高船舶加减速特性。
潮流发电装置由叶轮3、传动轴4和旋转电机5组成。旋转电机5在船舶减速工况时做发电机使用,在船舶加速工况时做电动机使用。叶轮为两叶桨,其桨叶数目可根据船舶主机功率进一步确定。旋转电机在不同工况下处于不同的运行状态,既可以做发电机也可以做电动机。
在船舶减速工况时,叶轮3在吊舱桨作用产生的尾流下旋转,将海水的动能转化为叶轮3的旋转动能,传动轴4将该动能传递给旋转电机5,旋转电机5将此动能转化为电能并存储在蓄电池6中。
船舶处于加速工况时,旋转电机5作为电动机工作,蓄电池7中的能量被释放,旋转电机5工作,将电能转变为动能,由传动轴4传递给叶轮3,作为船舶的推进装置,为船舶前进提供部分动力,使船舶加速性能更好。
旋转电机5与传动轴4直接相连,实现叶轮3与旋转电机5之间的能量传递。
叶轮3安装在吊舱推进器尾端,即可作为尾流吸收装置又可作为推进装置,其功能取决于船舶运行工况。在此装置中选用了效率较高的两叶桨,其具体桨叶数可根据主机功率进一步确定。
潮流能发电装置的工作状态由船舶具体工况决定。船舶稳定航行时,潮流能发电装置不工作。此时为了减小船舶阻力,潮流发电装置中叶轮3的状态取决于船舶航速。当船舶航行速度较高时,叶轮3处于自由状态;当船舶航速较低时,叶轮3处于固定状态。
如图1所示,本发明一种可利用潮流能发电的拖式吊舱推进器,包括潮流能发电装置和拖式吊舱推进器。螺旋桨1旋转为船舶航行提供动力,叶轮3在船舶减速工况时作为尾流吸收装置,用来吸收螺旋桨旋转产生的尾流,并将海水的动能转换为叶轮3的动能。在船舶加速工况时,叶轮3作为推进装置,为船舶前进提供部分推力。
如图2所示,为潮流能发电装置部分的结构组成。在叶轮3与传动轴4固定相连,在船舶减速时,叶轮3产生的旋转动能由传动轴4传递给旋转电机5,旋转电机5将旋转动能转换为电能,整流器6的作用为对旋转电机5产生的电能进行整流,整流后的电能存储在蓄电池7中。
在船舶加速工况时,蓄电池7释放存储的电能,供给旋转电机5,此时旋转电机5作为电动机,将电能转化为旋转动能,并经由传动轴4将旋转动能传递给叶轮3,叶轮3旋转将旋转动能转化为推动船舶前进的动能。
船舶稳定航行时,潮流能发电装置不工作。此时为了减小船舶阻力,潮流发电装置中叶轮3的状态取决于船舶航速。当船舶航行速度较高时,叶轮3处于自由状态;当船舶航速较低时,叶轮3处于固定状态。
本发明工作原理:
该发明的核心部分为潮流发电装置。潮流发电装置由螺旋桨尾流驱动发电机工作,可将海水中的动能转换为船舶工作所需的电能。潮流给叶轮3施加驱动力矩,驱使其转动。叶轮3通过传动轴4与旋转电机5直接相连,带动发电机转子转动,转子做切割磁感线运动,在转子线圈中产生电流。转子线圈与整流器6相连,对发出的电能进行整流,最后将所发电能汇集在蓄电池7中。
Claims (3)
1.一种可利用潮流能发电的拖式吊舱推进器,其特征是:包括吊舱舱体、叶轮、潮流发电装置,潮流发电装置包括旋转电机、蓄电池,旋转电机和蓄电池位于吊舱舱体里,叶轮位于吊舱舱体尾部,叶轮通过传动轴连接旋转电机,旋转电机通过整流器连接蓄电池。
2.根据权利要求1所述的一种可利用潮流能发电的拖式吊舱推进器,其特征是:叶轮为两叶桨。
3.根据权利要求1或2所述的一种可利用潮流能发电的拖式吊舱推进器,其特征是:在船舶减速工况时,叶轮在吊舱桨作用产生的尾流下旋转,将海水的动能转化为叶轮的旋转动能,传动轴将该动能传递给旋转电机,旋转电机将此动能转化为电能并存储在蓄电池中;船舶处于加速工况时,旋转电机作为电动机工作,蓄电池中的能量被释放,旋转电机工作,将电能转变为动能,由传动轴传递给叶轮,作为船舶的推进装置,为船舶前进提供部分动力。
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