CN113246754A - 一种用于固定翼无人机无线充电的共型化磁耦合装置 - Google Patents
一种用于固定翼无人机无线充电的共型化磁耦合装置 Download PDFInfo
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Abstract
本发明提出了一种用于固定翼无人机无线充电的共型化磁耦合装置,属于无人机无线充电领域。解决了现有固定翼无人机无线充电装置结构复杂的问题。它包括设置在降落面上的磁耦合发射端和设置在无人机上的磁耦合接收端,所述磁耦合发射端包括接收线圈,所述接收线圈与无人机的机头相贴合,所述磁耦合接收端包括发射线圈和发射磁芯,所述发射线圈和绕设在发射磁芯上,所述发射线圈为圆锥形结构,所述发射磁芯为锥面拼接的矩形磁芯,所述磁耦合发射端与无人机的机头外形配合。它主要用于固定翼无人机的无线充电。
Description
技术领域
本发明属于无人机无线充电领域,特别是涉及一种用于固定翼无人机无线充电的共型化磁耦合装置。
背景技术
无人机目前广泛应用于科研、民用及军事领域等方面,尤其是在军事方面有着十分重要的战略意义,被认为是最高精尖的科技之一。固定翼无人机由于具有飞行速度快、航程远、侦察面积广等优势,被广泛应用。然而,无人机搭载电池容量有限,电能的快速补给成为研究热点。近年来兴起的无线充电技术具有安全性高、便捷性强、充电速度快等多种优点,克服了有线充电方式不够灵活的弊端。该技术可不拆卸电池进行远距离充电,为无人化充电的发展提供了技术基础,可以较好地解决目前固定翼无人机面临的充电困难的问题。
为了减少飞行时的空气阻力,固定翼无人机机身常设计为流线型,这种结构具有前圆后尖、表面光滑、略像水滴的特点。目前用于其无线充电的产品或现有技术研究较少,其中一些平面型无线充电装置需要额外安装在机身外,改变了无人机的流线型结构,对空气动力学影响较大;另外一些无线充电装置的接收端放置于电池仓内,耦合机构匝数较多时,明显增加了无人机负重,还占用了仓内较多的空间。
发明内容
本发明为了解决现有技术中的问题,提出一种用于固定翼无人机无线充电的共型化磁耦合装置。
为实现上述目的,本发明采用以下技术方案:一种用于固定翼无人机无线充电的共型化磁耦合装置,它包括设置在降落面上的磁耦合发射端和设置在无人机上的磁耦合接收端,所述磁耦合发射端包括接收线圈,所述接收线圈与无人机的机头相贴合,所述磁耦合接收端包括发射线圈和发射磁芯,所述发射线圈和绕设在发射磁芯上,所述发射线圈为圆锥形结构,所述发射磁芯为锥面拼接的矩形磁芯,所述磁耦合发射端与无人机的机头外形配合。
更进一步的,所述接收线圈为圆箍形线圈结构,圆箍形线圈内径等于或大于无人机机头的圆锥形外径。
更进一步的,所述圆箍形线圈为多层线圈并螺旋绕制形成,所述圆箍形线圈的匝数小于等于10匝。
更进一步的,所述接收线圈为圆环形线圈结构,所述磁耦合发射端还包括接收磁芯,所述接收磁芯与无人机的机身轴线相垂直,并安装在无人机的机头内,所述接收磁芯与圆环形线圈平面平行,所述圆环形线圈设置在接收磁芯上。
更进一步的,所述接收磁芯为圆形的软磁体材料,所述圆环形线圈为单层线圈并螺旋绕制形成,所述圆环形线圈的匝数小于等于15匝。
更进一步的,所述接收线圈为利兹线绕制。
更进一步的,所述接收线圈和发射线圈的中间间距小于等于10cm。
更进一步的,所述发射线圈为软磁体材料,所述发射线圈为单层线圈,并螺旋绕制在发射磁芯上,所述发射线圈和发射磁芯的中心轴线重合。
更进一步的,所述发射磁芯为多块片状磁芯拼接形成。
更进一步的,所述磁耦合发射端还包括发射平台,所述发射线圈和发射磁芯安装在发射平台内,所述发射平台下部与底座相连。
与现有技术相比,本发明的有益效果是:本发明解决了现有固定翼无人机无线充电装置结构复杂的问题。提供了无人机无线电能补给解决方案,提高固定翼无人机的无人化水平。本发明在充电过程不受外力影响,具有较强的稳定性。
本发明的磁耦合接收端能够与无人机的机头融为一体,不会改变固定翼无人机固有的流线型结构,不影响固定翼无人机的空气动力。
本发明的磁耦合接收端可安装于无人机的机头内部或外围,电磁兼容特性好,距离无人机机身中间的电池仓较远,对电子器件的影响小。不过多占用舱内空间。
本发明通过发射平台和底座的设计以固定翼无人机的机头圆锥形状作为外形轮廓,充电时无人机的机头可嵌入到磁耦合发射端内,具有较强的稳定性,避免了无人机充电过程中风力等外力引起的错位问题。
本发明不仅能充分的与无人机圆锥形头部结构相结合,不改变固定翼无人机流水线外形,不会对无人机的空气动力学产生影响;同时,发射平台以固定翼无人机头部圆锥形状作为外形轮廓,充电时无人机头部可嵌入到发射端耦合机构内,具有较强的稳定性,避免了无人机充电过程中风力等外力引起的错位问题。
附图说明
图1为本发明所述的圆箍形线圈结构示意图;
图2为本发明所述的磁耦合发射端结构示意图;
图3为本发明所述的圆箍形线圈套接在无人机机头上的结构示意图;
图4为本发明所述的发射平台结构示意图;
图5为本发明所述的用于固定翼无人机无线充电的共型化圆箍形磁耦合装置结构示意图;
图6为本发明所述的圆环形线圈结构示意图;
图7为本发明所述的圆环形线圈与磁耦合发射端连接结构示意图;
图8为本发明所述的用于固定翼无人机无线充电的共型化圆环形磁耦合装置结构示意图。
1-接收线圈,2-机头,3-机身,4-发射线圈,5-发射磁芯,6-发射平台,7-底座,8-接收磁芯。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地阐述。
参见图1-8说明本实施方式,一种用于固定翼无人机无线充电的共型化磁耦合装置,它包括设置在降落面上的磁耦合发射端和设置在无人机上的磁耦合接收端,磁耦合发射端包括接收线圈1,接收线圈1与无人机的机头2相贴合,磁耦合接收端包括发射线圈4和发射磁芯5,发射线圈4和绕设在发射磁芯5上,发射线圈4为圆锥形结构,发射磁芯5为锥面拼接的矩形磁芯,磁耦合发射端与无人机的机头2外形配合。
当需要充电时,无人机的机头2可插入磁耦合发射端内进行无线充电,磁耦合装置能够与无人机圆锥形机头2共型,这样无人机的机头2便会被固定在磁耦合发射端内,并且不会使原副边线圈产生偏移并始终保持充电效率最高的状态。同时接收线圈1可安装在无人机的机身3外侧,也可隐藏在固定翼无人机的机身3内,不会改变固定翼无人机的机身3外形结构,不会对固定翼无人机飞行时的空气动力产生影响。
实施例1:参见图1-5说明本实施例,本实施例为用于固定翼无人机无线充电的共型化圆箍形磁耦合装置,接收线圈1为圆箍形线圈结构,圆箍形线圈内径等于或略大于无人机机头2的圆锥形外径,圆箍形线圈绕制于无人机的机头2外围,为了减轻无人机负重,接收端不加入磁材料,由内到外依次为无人机外壳和圆箍形接收线圈1。圆箍形线圈为多层线圈并螺旋绕制形成,外形为与无人机的机头2相同半径的圆环,能够紧贴于无人机的机头2外侧。圆箍形接收线圈1外径与机身外径保持一致,一般在30cm左右,且圆箍形接收线圈1匝数不宜过多,否则会额外增加无人机负重,优选的,圆箍形线圈的匝数小于等于10匝。
实施例2:参见图6-8说明本实施例,本实施例为用于固定翼无人机无线充电的共型化圆环形磁耦合装置,接收线圈1为圆环形线圈结构,磁耦合发射端还包括接收磁芯8,接收磁芯8与无人机的机身3轴线相垂直,并安装在无人机的机头2内,接收磁芯8与圆环形线圈平面平行,圆环形线圈设置在接收磁芯8上。接收磁芯8为圆形的软磁体材料,安装于无人机腹部的舱内,圆环形线圈为单层线圈并螺旋绕制形成,外形为与无人机机头2相同的圆形,能够紧贴于接收磁芯8,圆环形接收线圈1圈外径不超过机身3的半径,一般在30cm以内,且圆环形接收线圈1的匝数不宜过多,否则会额外增加无人机负重,优选的,圆环形线圈的匝数小于等于15匝。
上述实施例中接收线圈1为利兹线绕制,发射线圈4的最高处应尽可能的接近接收线圈1的平面,即接收线圈1和发射线圈4的中间间距应尽可能的小,优选的,接收线圈1和发射线圈4的中间间距小于等于10cm。发射线圈4为软磁体材料,可以是铁氧体或纳米晶合金,软磁体磁芯能提高磁耦合装置的耦合能力、降低磁耦合装置的漏磁。发射线圈4为单层线圈,并螺旋绕制在发射磁芯5上,外形为与无人机的机头2相似的锥形。发射线圈4的外尺寸略小于发射磁芯5,发射线圈4和发射磁芯5的中心轴线重合。磁耦合发射端还包括发射平台6,发射线圈4和发射磁芯5安装在发射平台6内,发射端从下到上依次为发射平台6、发射磁芯5和发射线圈4,发射线圈4中间所形成的锥形凹部能够与无人机的机头2和其外表面装载的接收线圈1所匹配。发射磁芯5为多块片状磁芯拼接形成,一般为8~10块。发射平台6下部与底座7相连,底座7呈矩形结构,发射平台6预留出了安装发射线圈4和发射磁芯5的空间,无人机可头部朝下,嵌入于发射平台6圆锥内进行无线充电,可避免充电过程中的风力等外力影响造成对位偏移的弊端。
实际应用时,无人机头部朝下,插入发射平台6的锥形凹部内,使得接收线圈1位于发射线圈4的正上方。发射线圈4的中心轴线与接收线圈1的中心轴线重合时,为最优对准位置,充电效率最高。
当固定翼无人机电量较低需要进行充电,首先,把无人机的机头2嵌入到的磁耦合发射端无线充电锥形凹槽内,由于磁耦合发射端的共型化设计,在进行充电时原副边耦合机构不会产生偏移。当耦合机构保持正对位置进行充电时系统的充电效率最高。其充电过程稳定性好、抗外力偏移性高。
以上对本发明所提供的一种用于固定翼无人机无线充电的共型化磁耦合装置,进行了详细介绍,本文中应用了具体个例对本发明的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本发明的方法及其核心思想;同时,对于本领域的一般技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本发明的限制。
Claims (10)
1.一种用于固定翼无人机无线充电的共型化磁耦合装置,其特征在于:它包括设置在降落面上的磁耦合发射端和设置在无人机上的磁耦合接收端,所述磁耦合发射端包括接收线圈(1),所述接收线圈(1)与无人机的机头(2)相贴合,所述磁耦合接收端包括发射线圈(4)和发射磁芯(5),所述发射线圈(4)和绕设在发射磁芯(5)上,所述发射线圈(4)为圆锥形结构,所述发射磁芯(5)为锥面拼接的矩形磁芯,所述磁耦合发射端与无人机的机头(2)外形配合。
2.根据权利要求1所述的一种用于固定翼无人机无线充电的共型化磁耦合装置,其特征在于:所述接收线圈(1)为圆箍形线圈结构,圆箍形线圈内径等于或大于无人机机头(2)的圆锥形外径。
3.根据权利要求2所述的一种用于固定翼无人机无线充电的共型化磁耦合装置,其特征在于:所述圆箍形线圈为多层线圈并螺旋绕制形成,所述圆箍形线圈的匝数小于等于10匝。
4.根据权利要求1所述的一种用于固定翼无人机无线充电的共型化磁耦合装置,其特征在于:所述接收线圈(1)为圆环形线圈结构,所述磁耦合发射端还包括接收磁芯(8),所述接收磁芯(8)与无人机的机身(3)轴线相垂直,并安装在无人机的机头(2)内,所述接收磁芯(8)与圆环形线圈平面平行,所述圆环形线圈设置在接收磁芯(8)上。
5.根据权利要求4所述的一种用于固定翼无人机无线充电的共型化磁耦合装置,其特征在于:所述接收磁芯(8)为圆形的软磁体材料,所述圆环形线圈为单层线圈并螺旋绕制形成,所述圆环形线圈的匝数小于等于15匝。
6.根据权利要求1-5中任意一项所述的一种用于固定翼无人机无线充电的共型化磁耦合装置,其特征在于:所述接收线圈(1)为利兹线绕制。
7.根据权利要求1-5中任意一项所述的一种用于固定翼无人机无线充电的共型化磁耦合装置,其特征在于:所述接收线圈(1)和发射线圈(4)的中间间距小于等于10cm。
8.根据权利要求1-5中任意一项所述的一种用于固定翼无人机无线充电的共型化磁耦合装置,其特征在于:所述发射线圈(4)为软磁体材料,所述发射线圈(4)为单层线圈,并螺旋绕制在发射磁芯(5)上,所述发射线圈(4)和发射磁芯(5)的中心轴线重合。
9.根据权利要求1-5中任意一项所述的一种用于固定翼无人机无线充电的共型化磁耦合装置,其特征在于:所述发射磁芯(5)为多块片状磁芯拼接形成。
10.根据权利要求1-5中任意一项所述的一种用于固定翼无人机无线充电的共型化磁耦合装置,其特征在于:所述磁耦合发射端还包括发射平台(6),所述发射线圈(4)和发射磁芯(5)安装在发射平台(6)内,所述发射平台(6)下部与底座(7)相连。
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