CN108064430B - 可旋转天线设备 - Google Patents

可旋转天线设备 Download PDF

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Publication number
CN108064430B
CN108064430B CN201680035658.3A CN201680035658A CN108064430B CN 108064430 B CN108064430 B CN 108064430B CN 201680035658 A CN201680035658 A CN 201680035658A CN 108064430 B CN108064430 B CN 108064430B
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Prior art keywords
thermally conductive
heat
rotatable
unit
shaft
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CN108064430A (zh
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D.C.埃尔森
M.利塞吉科
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Airspan Networks Inc
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Airspan Networks Inc
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    • H01Q3/04—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
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Abstract

提供了一种可旋转天线设备，所述可旋转天线设备具有用于将设备附接到外部结构的固定单元以及安装在固定单元上以用于相对于固定单元旋转的可旋转单元。可旋转单元包括天线组件和处理电路系统两者，处理电路系统联接到天线组件以用于执行信号处理操作。设备还包括联接到可旋转单元且定位成以便在固定单元内旋转的热传导轴，以及将热量从处理电路系统的一个或多个热量生成部件传导到热传导轴中的热传导联接结构。然后，散热器被设置在固定单元内并热耦合到热传导轴以将热量引导离开热传导轴。这提供了用于从可旋转单元移除热量同时仍允许可旋转单元相对外部环境条件密封的高效的机构。

Description

可旋转天线设备
背景技术
本技术涉及可旋转天线设备，所述可旋转天线设备可被用于例如电信系统内。
可旋转天线设备可布置成由固定单元和可旋转单元组成，固定单元附接到外部结构，例如诸如灯柱的街道设施的物体，所述可旋转单元安装在固定单元上并且包括天线组件，经由该天线组件发射并接收无线通信信号。
天线组件需要连接到处理电路系统，处理电路系统用于对待由天线组件发射的信号或者待由天线组件接收的信号执行各种信号处理操作。例如由于可被设置在天线组件内的单独的天线的数量，天线组件与相关联的处理电路系统之间常常需要有数量相当大的连接，并且所期望的是，缩短这些不同连接的长度以便减少信号损失。因此，将期望的是，将处理电路系统放置在紧密靠近天线组件安装的可旋转单元内，因为这将减少上述损失并还产生其它改进，诸如减少使用期间磨损问题，该问题如若不然将存在于天线组件与处理电路系统之间的各种连接中，以及减少某些校准困难，在处理电路系统没有安装成与天线组件一起旋转的情况下会产生该校准困难。
使得处理电路系统处于可旋转单元内是有益的，与此同时，这会引起热量耗散问题。具体地，可旋转单元通常将经由天线罩与外部环境密封隔离，天线罩形成可旋转单元的外包封件。在许多例子中，期望的是使可旋转天线设备相对小，并因此天线罩包封件内的空间相对有限。因此，担忧的是，由处理电路系统内的部件中的至少一些在可旋转单元的包封件内生成的热量会变得成问题，从而降低部件中的一些的有效使用寿命，并且潜在性地导致系统由于过热而停机。
因此，将期望的是，提供用于使来自可旋转单元的热量耗散的高效的机构。
发明内容
在一个示例构型中，提供有一种可旋转天线设备，所述可旋转天线设备包括：固定单元，所述固定单元用于将所述设备附接到外部结构；可旋转单元，所述可旋转单元安装在所述固定单元上并且包括天线组件和处理电路系统，所述处理电路系统联接到所述天线组件以用于执行信号处理操作；热传导轴，所述热传导轴连接到所述可旋转单元并定位成以便在所述固定单元内旋转；热传导联接结构，所述热传导联接结构用以将热量从所述处理电路系统的一个或多个热量生成部件传导到所述热传导轴中；以及散热器，所述散热器形成在所述固定单元内并且热耦合到所述热传导轴；其中：所述热传导联接结构包括热耦合到所述一个或多个热量生成部件的部件接口结构，以及将所述部件接口结构联接到所述热传导轴的长形构件；并且所述长形构件包括热管，所述热管延伸到设置在所述热传导轴内的凹陷部中。
可旋转天线设备包括用于将设备附接到外部结构的固定单元和安装在固定单元上的可旋转单元，天线组件和相关联的处理电路两者设置在可旋转单元内。轴连接到可旋转单元并且定位成以便在固定单元内旋转，因此提供可旋转单元可以绕其旋转的轴线。依照上面的示例构型，轴由热传导材料制成。此外，提供用以将热量从处理电路系统的一个或多个热量生成部件传导到热传导轴中的稳固传导联接结构。另外，然后固定单元内的散热器热耦合到热传导轴。因此，由处理电路系统内的一个或多个部件生成的热量通过热传导联接结构传导到热传导轴中，然后热量从热传导轴处经由热耦合到该轴的散热器来耗散。
热传导联接结构包括热耦合到一个或多个热量生成部件的部件接口结构以及将部件接口结构联接到热传导轴的长形构件。因此，部件接口结构可以定位成紧密靠近处理电路系统内的相关部件，以提供用于将热量引导离开这些部件的非常有效的机构，于是长形构件用于将热量传递到热传导轴。
为了确保热量从长形构件到热传导轴中的良好传递，长形构件延伸到设置在热传导轴内的凹陷部中，从而在长形构件与热传导轴之间提供相当大的接触表面面积。在一个实施例中，长形构件还可延伸到设置在部件接口结构内的另外的凹陷部中，因此在部件接口结构与长形构件之间提供良好的热耦合。
长形构件采用热管的形式。热管是非常高效的热传递装置，其结合了热传导和相变两种原理以高效地管理两个固体界面之间的热量传递。热管通常将包括蒸气腔室，蒸气腔室包含一些工作液体，工作液体被芯吸结构包围。在热管的热界面处，蒸气腔室内的工作液体通过从热表面吸收热量而变成蒸气。然后，蒸气沿着热管行进到冷界面并冷凝回到液体状态中，从而释放潜热。然后，液体经由芯吸结构返回到热界面。
存在许多可商购的热管，其可以容易地用作长形构件，并且在一个实施例中，热管采用长形圆筒的形式，联接在部件接口结构与热传导轴之间。
这提供了用于从可旋转单元汲取热量的非常高效的机构。另外，其避免了对抵抗外部环境的屏障采用折衷方案的任何需要，抵抗外部环境的屏障由天线罩以及形成可旋转单元的外表面的任何其它壳体特征来提供。
因为设置在可旋转单元内的部件仍可以与外部环境有效密封隔离，所以在可旋转单元内使用标准部件是可能的，所述标准部件自身不需要能够应对暴露于外部环境，与此同时，提供了用于使由这样的部件生成的热量耗散离开可旋转单元的有效机构。因此，这有助于使如若不然可能与可旋转单元的生产相关联的成本显著降低。
部件接口结构可以采用多种形式，但在一个实施例中，部件接口结构包括布置成用于热耦合到一个或多个热量生成部件的第一部分以及连接到第一部分的第二部分，以使得将长形构件夹持在第一部分与第二部分之间。夹持作用可以用于确保长形构件被牢固地保持在部件接口结构内，因此确保部件接口结构与长形构件之间的良好的热传递。
在一个实施例中，为了进一步改进各部件之间的热传递性能，热胶被施加在长形构件与部件接口结构和热传导轴中的一者或两者之间。
在一个实施例中，部件接口结构可仅仅紧密靠近热量生成部件放置，例如跨过小的空气间隙将热量引导离开，而在一个实施例中，提供热垫元件，热垫元件被夹在各种热量生成部件与部件接口结构之间，以便在部件接口结构与这些热量生成部件之间提供高效的热耦合。
存在有多种方式可将散热器联接到热传导轴，在使用中，轴相对于散热器旋转。在一个示例布置结构中，可提供小的空气间隙。然而，在另一个实施例中，冷却流体（更具体地，在一个实施例中冷却液体）被提供在热传导轴与散热器之间的接口处，以在这两个部件之间提供高效的热耦合。存在有多种方式可以将冷却流体保持在热传导轴与散热器之间。在一个实施例中，热传导轴定位在固定单元内的定位凹陷部中，并且冷却流体被提供在定位凹陷部中。
存在有多种取向可使散热器相对于热传导轴设置，但在一个实施例中，散热器围绕定位凹陷部的围界设置，因此用于有效地包围热传导轴。因此，这增加了热量可以被引导离开轴到散热器中的效率。
热传导轴可以采用多种形式，但在一个实施例中，热传导轴设置有围绕热传导轴的围界边缘的一系列键槽，热传导轴的围界边缘限定用于冷却流体的流体接收通道。因此，键槽的存在增加了可以被提供在轴与散热器之间的接口处的流体的量，有效地增加了冷却流体的表面面积，并因此增加了轴与散热器之间的热传递的效率。
在使用热传导轴与热传导联接结构来提供从处理电路系统的热量生成部件的主要热量耗散路径的同时，在一个实施例中，可提供一个或多个另外的辅助路径。例如，在一个实施例中，可旋转单元包括热传导壳体，处理电路系统定位在热传导壳体中，热传导壳体联接到热传导轴，以提供用于将热量传导到散热器的辅助路径。例如，处理电路系统可被包封在金属壳体内，以便保护这些部件免于外部干扰生成的信号。然而，因为金属壳体自身联接到热传导轴，其提供了辅助路线，由处理电路系统的部件生成的热量可以由该辅助路线传导到散热器。
在另一个示例构型中，提供有一种可旋转天线设备，所述可旋转天线设备包括：固定装置，所述固定装置用于将所述设备附接到外部结构；可旋转装置，所述可旋转装置用于安装在所述固定装置上并且包括天线装置和处理装置，所述处理装置联接到所述天线装置以用于执行信号处理操作；热传导轴装置，所述热传导轴装置连接到所述可旋转装置并定位成以便在所述固定装置内旋转；热传导联接装置，所述热传导联接装置用于将热量从所述处理装置的一个或多个热量生成部件传导到所述热传导轴装置中；以及散热器装置，所述散热器装置在所述固定装置内以用于热耦合到所述热传导轴装置。
附图说明
将参考如附图中图示的本技术的实施例，仅通过示例的方式，进一步描述本技术，在附图中：
图1是依照一个实施例的可旋转天线设备的框图；
图2图示了一个实施例的可旋转天线设备；
图3图示了图2的可旋转天线设备，其中天线罩装配成包封天线设备的可旋转部分；
图4是一截面图，其示出了设置在一个实施例的可旋转天线设备内的某些部件；
图5是另一截面图，其更加详细地示出了依照一个实施例的设置在设备内用以耗散来自热量生成部件的热量的热路径；
图6是一透视图，其示出了依照一个实施例的用于使热量耗散离开热量生成部件的某些部件；
图7是一分解图，其示出了依照一个实施例的被提供以形成热传导联接结构的部件；
图8A和图8B图示了使用在一个实施例中的热传导轴；
图9是一截面图，其更加详细地示出了依照一个实施例的热传导轴在固定单元内的设置；
图10示出了穿过依照一个实施例的基座单元和热传导轴的截面图。
具体实施方式
图1是依照一个实施例的可旋转天线设备的框图。设备10包括固定单元20，固定单元20布置成附接到外部结构，例如诸如灯柱的街道设施的物体。然后，可旋转单元25经由热传导轴40安装在固定单元20上，热传导轴40定位在固定单元的凹陷部中并在该凹陷部中自由旋转，从而允许可旋转单元如由箭头70指示的那样来旋转。
可旋转单元包括天线组件30，天线组件30包含用于发射和/或接收无线信号的一个或多个天线，天线组件经由一系列有线连接来连接到相关联的处理电路35。处理电路可例如包括收发器电路，收发器电路用于对由天线接收的信号执行各种信号处理操作，和/或对由天线组件30发射的信号执行某些预发射信号处理操作。
由于早前所论述的原因，使处理电路35以紧密靠近天线组件30的方式被包括在可旋转单元25内是有益的。然而，由这样的布置结构会引起的问题是：处理电路系统内的部件中的一个或多个在使用期间可能生成相当大量的热量。在一个实施例中，可旋转单元的总体积是相对小的而且另外在整体上由壳体（包括天线罩）相对大气条件而密封，并因此很可能将在可旋转单元25内发生显著的热量积聚。这样的热量积聚会降低部件的工作寿命，并潜在性地导致天线设备由于过热而停机。
为了减轻该问题，在避免需要对由可旋转单元25的壳体提供的相对外部环境条件的密封采用折衷方案的同时，设置热传导联接结构45以将热量从处理电路的一个或多个部件引导离开至轴40。另外，轴40由热传导材料制成，使得由热传导联接结构45传递的热量随后被传递到轴40中。
此外，如图1中所示，散热器50围绕热传导轴40设置，以便将热量引导离开热传导轴。然后，散热器允许热量耗散到外部环境中。具体地，如将在下面参考所描述的特定实施例更加详细讨论的，散热器可以有效地形成固定单元20的主体并提供与外部环境的直接接触以允许热量耗散。
为了改进旋转轴40与静止散热器50之间的热耦合，可在热传导轴40与散热器50之间的接口处引入冷却流体60。
图2是一简图，其图示了依照一个实施例的可旋转天线设备。天线组件100定位在壳体105的第一面上，壳体105将用于与天线组件交互（interface）的处理电路包含于其内。在图2中所示的示例中，假定天线组件100采用天线阵列的形式，天线阵列包括单独的天线的阵列，并且在一个实施例中，处理电路系统可以与阵列中的每个天线单独通信。
在图2中所示的实施例中，还存在有面向后部的天线组件110，天线组件110也联接到处理电路。壳体105和相关联的天线组件100、110安装在支撑板115上，支撑板115连接到图1中所示的热传导轴40。
如图2中所示，固定单元125围绕其围界可以包括一系列翅片130，一系列翅片130形成散热器的一部分，从而提供可以使热量从其耗散到环境中的相当大的表面面积。
如图2中还示出的，接口单元120设置在固定单元与可旋转单元之间，该接口包括固定部分，在该实施例中，固定部分包括具有一系列竖直布置的齿的环形表面127，并且固定部分还在固定部分内包括连接到支撑板115的旋转部分。在该实施例中，接口单元120的总体构型是环形的，接口单元安装在热传导轴40上。因此，接口单元不与热传导轴的操作相干涉。接口单元可以服务多种目的，并且在一个实施例中用于使缆线能够在固定单元与可旋转单元之间被按路线引导。另外，直立的齿127可以用于与传动带接合，传动带进而连接到马达135，使得当马达被驱动时，其用于使可旋转部分旋转。
然而，将领会的是，任何适合的机构可被提供以用于使天线设备的可旋转单元旋转，以及用于提供可旋转单元与固定单元之间的任何布线，并且接口单元120是不涉及所描述的实施例的热传导机构的可选特征。
图3图示了图2的可旋转天线设备，其中天线罩150固定成套在可旋转部分上，因此使天线的可旋转部分与外部环境条件密封隔离。如早前提及的，由于这些部件不需要承受暴露于外部环境条件，因此这使标准的低成本的部件能够被使用在天线的可旋转部分内，并且所描述的实施例的热传导机构允许设置在由天线罩150包封的空间内的部件所生成的热量通过散热器的翅片130被引导离开并被耗散。
图4是一截面图，其示出了设置在一个实施例的可旋转天线设备内的某些部件，并且具体地图示了所提供的热传导路径。如所示，电路板200设置在壳体105内，电路板提供一系列处理电路，包括生成相当大量的热量的一个或多个处理电路。然后，在该实施例中由部分205、210形成的部件接口结构设置在使其能够向这些热量生成部件提供非常高效的热耦合的位置处，以使得由这些部件生成的热量被传递到部件接口结构中。
如图4中还示出的，由两个部分205、210形成的部件接口结构夹持在长形构件215的第一端周围，在一个实施例中，该长形构件215由热管形成，热管提供非常高效的机构以用于将（从部件接口结构205、210）传导到热管的一端中的热量传递到热管的另一端。
如可以看到的，热管的另一端被接收在热传导轴40中的凹陷部内，并且因此该机构提供用以使热量从部件按路线引导到轴中的高效的途径，然后，热量可以从轴中耗散到包围轴的散热器50中，以使得热量可以从被设置成与大气直接接触的一系列翅片130耗散。
如图4中所示，一系列轴承220被设置成允许轴40在固定单元125内自由旋转。如所示，热传导轴40的外围界边缘与散热器50之间存在狭窄的间隙。如果期望的话，为了改进轴40与散热器50之间的热传递，则可以将冷却流体引入到间隙中。
图5图示了平行于电路板200的平面截取的另一截面图。在该截面图中，仅示出了部件接口结构的第一部分205，该第一部分205在本文中也被称为热块（heat block）。如清楚地示出的，热管215被接收在热块205的凹陷部内，并向下传送到轴40内的凹陷部中。
轴40下方的进入点被提供以用于在组装期间将冷却流体引入到设备中，此后，引入带螺纹的栓塞240以将冷却流体密封在单元内，于是冷却流体在旋转轴40与具有其相关联的翅片130的固定的散热器50之间提供热学上高效的热传递接合部。
图6示出了天线设备内的部件中的一些的透视图，并且具体地提供了部件接口结构的更多细节。具体地，热块205成形为与电路板200上的热量生成部件重叠，并且一系列热垫218可以定位在热块205与这些部件之间的接口处，以有效地提供热量生成部件与热垫205之间的直接接触，以便改进热传递性能。部件接口结构的第二部分210也被示出在图6中，并起到在热垫205与该第二部分210之间夹持热管215的作用，第二部分210在本文中也被称为热块夹持件。
图7示出了形成部件接口结构的各种部件的分解图。热块205和热块夹持件210由诸如螺钉或螺栓的适合的紧固装置被夹持在一起，并用于使热管215的一端夹持在热块205与热块夹持件210内设置的凹陷部内。可在热块部件205、210与热管215之间施加热胶（thermal paste），以便进一步改进热传递性能。
如图7中还示出的，可以在热块205定位成与电路板200上的热量生成部件的表面重叠的区域中施加表面图案，以制造热垫250可以抵靠其粘附的粗糙化表面。然后，热垫被直接按压到电路板上的相关部件的表面上，相关部件的热量待经由本文中所描述的热量耗散机构而耗散。
图8A和图8B图示了在一个实施例中的热传导轴300的构造。如图8A中所示，凹陷部315设置在轴的顶端中以接收热管215。另外，一系列螺钉孔318被设置成使轴的顶端能够附连到支撑板115，支撑板115支撑天线设备的各种可旋转部件。如在图8A和图8B两者中示出的，轴具有设置在其上的一系列轴承310、320，以有助于轴在散热器50内的平滑旋转。
另外，在一个实施例中，一系列键槽305围绕热传导轴40的热耦合到散热器50的外围界边缘设置。提供键槽305增加了可以引入在轴40与散热器50之间的间隙中的冷却流体的体积，因此改进了冷却流体的有效表面面积，并因此改进了旋转轴与散热器之间的热传递。如图8B中还示出的，腔330可以被设置在轴的下端处，以进一步增加可以引入的冷却流体的体积。
图9是一截面图，其更加详细地示出了设置在轴40与散热器50之间的接口处的各种部件。如先前所讨论的，热量穿过热管215进入到带键槽的旋转轴300中，带键槽的旋转轴300经由轴承310、320安装成以便在散热器50内旋转。在底部轴承板中设置了螺纹孔360，以允许冷却流体的预定体积被配给在直立位置中，然后例如使用早前参考图5讨论的螺纹栓塞240来密封该孔。于是，在该设计内使用各种O形密封件350以阻止冷却剂泄漏。这允许冷却剂起到热传导轴与散热器50之间的热传导介质的作用。
带键槽的旋转轴300和散热器50可以由任何适合的热传导材料制成，但在一个实施例中，两个部件由铝形成。
图10是穿过固定单元截取并从下侧观察的截面图。图10示出了被包括在散热器内的带键槽的旋转轴300，在该实施例中，带键槽的旋转轴300采用中心毂390的形式，一系列键槽围绕中心毂390设置。如由框395示意性示出的，其它功能也可以被包括在固定单元内，在该示例中，缆线接口393被包括在固定单元内，以允许功率和数据连接性被提供到固定单元，其然后可以从固定单元处被按路线引导到可旋转单元内的部件。另外，安装特征397也可以被提供，以使固定单元能够安装到诸如灯柱的外部结构。
从上面所描述的实施例，将看到的是，这些实施例提供了一种高效的机构，以用于通过经由热传导联接结构将热量引导到可旋转单元安装在其上的轴中，来使热量传导离开可旋转天线设备的可旋转单元内的热量传导部件。轴由热传导材料制成，并且还由暴露于外部环境的散热器包封，因此提供了用于使热量耗散到外部环境的高效的路线。这样的方法没有损害可旋转单元的密封本质，因此使得可旋转单元内的部件能够继续与外部环境密封隔离，从而允许使用低成本的部件。
还应注意的是，所描述的实施例的热量耗散机构没有在可旋转单元可以旋转所采用的方式以及可旋转单元可以旋转的程度方面设置有任何限制。
已发现，包括上面所描述的实施例的热量耗散机构的可旋转天线设备可以以低成本来制造成是高容量的，并因此为需要可旋转天线设备的许多配置场景提供了有吸引力的解决方案。在一个具体的实施例中，这样的可旋转天线设备可以配置在用于将诸如移动电话网络的接入网络与有线电信基础设施连接的无线回程网络（wireless backhaulnetwork）中。在一个实施例中，这样的可旋转天线设备可以被使用在回程网络中的任何节点处，并由于相对低的成本而可以被容易地配置在小单元系统（small-cell system）中。
尽管本文中已描述了具体的实施例，然而将领会的是，本发明不限于具体的实施例，并且可在本发明的范围内对具体的实施例作出许多修改和添加。例如，在不偏离本发明的范围的情况下，所附从属权利要求的特征可以与独立权利要求的特征进行各种组合。

Claims (10)

1.一种可旋转天线设备，包括：
固定单元，所述固定单元用于将所述设备附接到外部结构；
可旋转单元，所述可旋转单元安装在所述固定单元上并且包括天线组件和处理电路系统，所述处理电路系统联接到所述天线组件以用于执行信号处理操作；
热传导轴，所述热传导轴连接到所述可旋转单元并定位成以便在所述固定单元内旋转；
热传导联接结构，所述热传导联接结构用以将热量从所述处理电路系统的一个或多个热量生成部件传导到所述热传导轴中；以及
散热器，所述散热器形成在所述固定单元内并且热耦合到所述热传导轴；
其中：
所述热传导联接结构包括热耦合到所述一个或多个热量生成部件的部件接口结构，以及将所述部件接口结构联接到所述热传导轴的长形构件；并且
所述长形构件包括热管，所述热管延伸到设置在所述热传导轴内的凹陷部中。
2.如权利要求1所述的可旋转天线设备，其中，所述长形构件延伸到设置在所述部件接口结构内的另外的凹陷部中。
3.如权利要求1或权利要求2所述的可旋转天线设备，其中，所述部件接口结构包括布置成用于热耦合到所述一个或多个热量生成部件的第一部分以及连接到所述第一部分的第二部分，以使得将所述长形构件夹持在所述第一部分与所述第二部分之间。
4.如权利要求1或权利要求2中的任一项所述的可旋转天线设备，还包括在所述长形构件与所述部件接口结构和所述热传导轴中的至少一者之间的热胶。
5.如权利要求1或权利要求2中的任一项所述的可旋转天线设备，还包括热垫，所述热垫被夹在所述一个或多个热量生成部件与所述部件接口结构之间，以便在所述部件接口结构与所述一个或多个热量生成部件之间提供热耦合。
6.如权利要求1或权利要求2中的任一项所述的可旋转天线设备，其中，所述散热器经由冷却流体热耦合到所述热传导轴。
7.如权利要求6所述的可旋转天线设备，其中，所述热传导轴定位在所述固定单元内的定位凹陷部中，并且所述冷却流体被提供在所述定位凹陷部中。
8.如权利要求7所述的可旋转天线设备，其中，所述散热器围绕所述定位凹陷部的围界设置。
9.如权利要求6所述的可旋转天线设备，其中，所述热传导轴设置有围绕所述热传导轴的围界边缘的一系列键槽，所述热传导轴的围界边缘限定用于冷却流体的流体接收通道。
10.如权利要求1-2以及7-9中的任一项所述的可旋转天线设备，其中，所述可旋转单元包括热传导壳体，所述处理电路系统定位在所述热传导壳体中，所述热传导壳体联接到所述热传导轴，以提供用于将热量传导到所述散热器的辅助路径。
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