CN109076721B - 具备气液泵浦的电子零件冷却装置 - Google Patents

具备气液泵浦的电子零件冷却装置 Download PDF

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CN109076721B
CN109076721B CN201780024583.3A CN201780024583A CN109076721B CN 109076721 B CN109076721 B CN 109076721B CN 201780024583 A CN201780024583 A CN 201780024583A CN 109076721 B CN109076721 B CN 109076721B
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尹国领
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    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
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    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
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    • F28D15/06—Control arrangements therefor
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    • H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
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    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20536—Modifications to facilitate cooling, ventilating, or heating for racks or cabinets of standardised dimensions, e.g. electronic racks for aircraft or telecommunication equipment
    • H05K7/20663—Liquid coolant with phase change, e.g. heat pipes
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    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/0241—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes the tubes being flexible
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    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D2015/0291—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes comprising internal rotor means, e.g. turbine driven by the working fluid
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Abstract

根据本发明的实施例，能够在使用两相冷却系统的同时构成气液泵浦，所以具有能够极大化冷却效率的效果。为此，本发明的一实施例的具备气液泵浦的电子零件冷却装置可包括：叶轮，位于用于收容气液的气液收容部；马达定子，位于与上述气液收容部隔离的外部，向上述叶轮传递驱动力；密闭射出外壳，一方面，向上述气液收容部的中央突出形成叶轮轴，用于插入上述叶轮，另一方面，在上述叶轮轴的轴线上向外部中央突出形成马达定子插入杆，用于插入上述马达定子，在上述马达定子插入杆的边缘部位扩张形成上板，用于相互隔离上述叶轮和上述马达定子，在上述上板的一侧面形成流入上述气液的入口和流出上述气液的出口；导热基座在上述叶轮下部沿着上述上板的边缘熔接或粘接，以便形成上述气液收容部；流入管，熔接或粘接在上述入口而流入上述气液；流出管，熔接或粘接在上述出口而流出上述气液；及凝缩部，位于上述流入管和上述流出管之间而凝缩上述气液中气体；由上述气液收容部、上述流入管、上述流出管及上述凝缩部连接的封闭循环内部空间形成真空。

Description

具备气液泵浦的电子零件冷却装置
技术领域
本发明涉及电子零件冷却装置，更具体来说，涉及具备气液泵浦的电子零件冷却装置,该电子零件冷却装置能够利用气液泵浦高效冷却电子零件。
背景技术
如处理器(processor)这样的电子器件或电子零件，其性能显著地受到热影响。用于确保最佳性能的温度范围非常有限，所以对这些电子零件的性能管理中，热能管理属于非常重要的部分。
目前，为了提高电子零件的速度及性能,已研发了多种电子零件冷却装置，并且主要量产使用空冷式或水冷式的冷却装置。但是，这种现有的冷却装置在电子零件的散热方面显示出有限的性能，所以还在研发具有更高冷却能力的电子零件冷却装置。
尤其是，空冷式不管如何都一定会增加风扇的尺寸或散热设备的散热面积，从而存在产生其他问题的制约性，而水冷式则由于利用单一的作用流体(coolant)的比热，所以存在仅利用流体的比热进行冷却的制约性。
为了补足上述的问题或制约性，并具备更好的冷却能力，美国公开专利US2003/0205364A1中公开了液体及气体的两相(two phase)冷却系统。但是，这种两相冷却系统虽然欲展示不使用泵浦的优点，却存在不能使得作用流体快速循环的缺点。
因此，需要引入既适用两相冷却系统还能进一步展示两相冷却系统的优点的新形态的电子零件冷却装置。
发明内容
技术课题
本发明是基于如上所述的必要性而做出的，其目的在于提供一种适用两相冷却系统的同时还能构成气液泵浦的具备气液泵浦的电子零件冷却装置。
本发明的另一个目的在于提供一种在维持真空状态的同时能够抽吸两相冷却材料的气体和液体的具备气液泵浦的电子零件冷却装置。
课题解决方案
如上所述的本发明的目的，可通过下面的具备气液泵浦的电子零件冷却装置来实现，其包括：叶轮，位于用于收容气液的气液收容部；马达定子，位于与上述气液收容部隔离的外部，向上述叶轮传递驱动力；密闭射出外壳，一方面，向上述气液收容部的中央突出形成叶轮轴，用于插入上述叶轮，另一方面，在上述叶轮轴的轴线上向外部中央突出形成马达定子插入杆，用于插入上述马达定子，在上述马达定子插入杆的边缘部位扩张形成上板，用于相互隔离上述叶轮和上述马达定子，在上述上板的一侧面形成流入上述气液的入口和流出上述气液的出口；导热基座，在上述叶轮下部沿着上述上板的边缘熔接或粘接，以便形成上述气液收容部；流入管，熔接或粘接在上述入口而流入上述气液；流出管，熔接或粘接在上述出口而流出上述气液；及冷凝部，位于上述流入管和上述流出管之间而冷凝上述气液中气体；由上述气液收容部、上述流入管、上述流出管及上述冷凝部连接的封闭循环内部空间形成真空。
此外，上述上板的外部可以形成凹陷部，以用于插入安装上述马达定子，上述叶轮隔着上述上板环绕上述凹陷部所形成，且包括磁铁，上述磁铁从上述马达定子传递动力。
另外，在室温下，形成上述气液的液体的量可以为上述封闭循环内部空间的50～90％。
并且，形成上述气液的液体利用比热和基于流体相变化的蒸发潜热冷却电子零件。
发明效果
根据如上所述的本发明的一实施例，能够在使用两相冷却系统的同时构成气液泵浦，所以具有能够极大化冷却效率的效果。
此外，具有如下效果：通过抽吸两相冷却材料的气液，能够促进热循环，叶轮能够容易被传递由外部马达传递的驱动力来抽吸气液的效果。
附图说明
图1是分解示出本发明的一实施例的电子零件冷却装置的结构的分解立体图。
图2是从上方观察本发明的一实施例的电子零件冷却装置的俯视图。
图3是示出图2的B-B方向剖面的剖面图。
图4是示出图2的C-C方向剖面的剖面图。
图5是示出本发明的一实施例的电子零件冷却装置的整体系统的图。
具体实施方式
在说明本发明时，在判断为关联的公知功能或结构的具体说明可能不必要地使本发明的主旨变得模糊时，省略其详细说明。此外，在本说明书中所使用的术语(terminology)是为了适当表现本发明的优选实施例而使用的，所以有可能根据使用者、运营者的意图或本发明所属领域的惯例等而不同。因此，本术语应根据整个本说明书的内容为基础来定义。在各图中所标记的相同的附图标记表示相同的结构。
<电子零件冷却装置>
图1是分解示出本发明的一实施例的电子零件冷却装置的一结构的分解立体图，图2是从上方观察本发明的一实施例的电子零件冷却装置的俯视图。如图1、图2所示，电子零件冷却装置的一实施例包括：由叶轮轴(310)、马达定子插入杆(320)及上板(330)形成为一体的密闭射出外壳(300)；位于密闭射出外壳(300)下部的叶轮(100)；位于密闭射出外壳(300)上部的马达定子(200)；以及在叶轮(100)的下部上下结合导热基座(400)的气液泵浦(1)，其中导热基座(400)沿着上板(330)的边缘熔接或粘接。
电子零件冷却装置的一实施例，在上述气液泵浦(1)上还可以包括流入管(未图示)、流出管(未图示)及冷凝部(未图示)。
图3及图4分别是示出图2的B-B方向剖面和图2的C-C方向剖面的剖面图。以下，请参照图1～图4，详细说明本实施例的电子零件冷却装置的结构。
用于气液泵浦(1)的工作流体在室温下以液体状态注入，但是气液收容部(H)形成真空状态，所以由于电子零件的热能引起的温度变化，液体的沸点随时发生变化。气液收容部(H)形成10-2～10-3Torr程度的真空度。此时，由于比外部大气压低的沸点，内部的液体的一部分蒸发而变成气体状态，这样通过液体和气体的相变化(phase change)，在室温下混合存在两相的气液。但是，由于不像热管(heat pipe)那样注入少量的工作流体，而是至少将形成气液的液体的量构成为在室温下占据封闭循环内部空间的50～90％，所以能够顺利具备气液泵浦(1)的抽吸作用。气液泵浦(1)上具备的工作流体可以使用水(water)，此外还能使用乙醇(Ethanol)、甲醇(Methanol)、丙酮(Acetone)等。
密闭射出外壳(300)为了将内部形成为真空，将向内部形成的叶轮轴(310)、向外部形成的马达定子插入杆(320)以及从马达定子插入杆(320)的边缘扩张的上板(330)形成为一体。尤其是，上板(330)的外部形成为凹陷部，以安装用于插入到插入杆(430)中的马达定子(200)，叶轮(100)的边缘部位形成为环形边缘，以便在内部环绕上述凹陷部，这样的环形边缘形成为比凹陷部的直径大。即，上板(300)弯曲形成且位于安装在外部的马达定子(200)和位于内部的叶轮(100)之间。藉此，将内部形成为密闭结构，能够将外部马达定子(200)产生的驱动力充分传递到内部的叶轮(100)。当然，内部的叶轮(100)为了被传递驱动力，具备由多个环或多个片构成的磁铁(Magnet)。
此外，密闭注塑壳体(300)与导热基座(400)结合，该导热基座(400)沿着上板(300)扩张的边缘从下部熔接或粘接。在此，熔接或粘接可以是利用超声波或热、焊接的结合。结果，密闭注塑壳体(300)和导热基座(400)结合而在内部具备气液收容部(H)。为了位于其下部的电子零件产生的热能传递，导热基座(400)由包括铜等高导电率金属形成，并且，为了加大散热面积，这种金属在内部可以形成凹凸结构。
此外，密闭注塑壳体(300)在上板(300)的一侧面分别形成有用于流入气液的入口(340)和用于流出体液体的出口(350)，在此可分别结合流入管连结部(600)和流出管连结部(610)，流入管连结部(600)和流出管连结部(610)上可分别熔接或粘接流入管和流出管。
入口(340)、流入管连结部(600)及流入管的连结，出口(350)、流出管连结部(610)及流出管的连结均通过熔接或粘接密闭。这也可以与密闭注塑壳体(300)和导热基座(400)之间的熔接或粘接那样通过超声波或热、焊接来结合。
如前所述，在密闭注塑壳体(300)上部，马达定子(200)插入于马达定子插入杆(320)中，马达定子(200)从外部接受供电而向卷绕的线圈流过电流来形成磁场，所以优选在其上覆盖马达壳体(500)。
此外，叶轮(100)起到通过外部驱动力旋转而将位于气液收容部(H)的气液推向出口(350)的作用，所以叶轮(100)优选具备与气液收容部(H)的宽度对应的直径。
冷凝部可构成为位于流入管和流出管之间，是通过向外部的散热使内部的气体发生向液体的相变化的地方。当然，不特定这样的冷凝部，可以将流入管和流出管的一部分用铜、铝等高导电率金属材料来形成较宽的冷凝部。
如前所述，根据本发明的一实施例，构成气液的液体通过其比热，对电子零件起到基本的冷却作用，此外，构成为在真空状态下以较低的沸点容易引起流体相变化，从而利用流体的比热及基于相变化的蒸发潜热作用来冷却电子零件。
图5是示出本发明的一实施例的电子零件冷却装置的整体系统的图。如图5所示，本实施例的冷却装置的整体系统包括：气液泵浦、气液的流入管及流出管、散热片，以及风扇。各结构如前所述。冷凝部(或冷却部)上可追加形成有散热片。
以上参照附图说明了本发明的实施例，应理解对于本发明所属技术领域的普通技术人员而言，可在不改变本发明的技术思想或必须的特征的情况下通过其他具体的形态实施上述的本发明的技术结构。因此，应理解以上所示的实施例在所有方面是示例性的，而非限定性的。并且，本发明的范围由后示的权利要求范围表示，而非由上述的详细说明表示。此外，权利要求范围的意思及范围及其等价概念导出的所有变更或变形的形态应解释为属于本发明的范围。

Claims (1)

1.一种具备气液泵浦的电子零件冷却装置，其特征在于，包括：
叶轮，位于用于收容气液的气液收容部；
马达定子，位于与上述气液收容部隔离的上述气液收容部的外部，向上述叶轮传递驱动力；
密闭射出外壳，向上述气液收容部的中央内部突出形成叶轮轴，用于插入上述叶轮，在上述叶轮轴的轴线上向上述气液收容部的中央外部突出形成马达定子插入杆，用于插入上述马达定子，在上述马达定子插入杆的边缘部位扩张形成上板，用于相互隔离上述叶轮和上述马达定子，在上述上板的一侧面形成流入上述气液的入口和流出上述气液的出口；
导热基座，在上述叶轮下部沿着上述上板的边缘熔接或粘接，以便形成上述气液收容部；
流入管，熔接或粘接在上述入口而流入上述气液；
流出管，熔接或粘接在上述出口而流出上述气液；及
冷凝部，位于上述流入管和上述流出管之间而冷凝上述气液中气体；
由上述气液收容部、上述流入管、上述流出管及上述冷凝部连接的封闭循环内部空间形成真空，
其中，上述上板的外部形成凹陷部，以用于插入安装上述马达定子，
上述叶轮的边缘部位形成为环形边缘，隔着上述上板环绕上述凹陷部，且包括由多个环或多个片构成的磁铁，上述磁铁从上述马达定子传递动力，并且形成为具备与气液收容部的宽度对应的直径，
上述气液收容部形成为10-2～10-3Torr程度的真空度，且形成上述气液的液体的量构成为在室温下占据上述封闭循环内部空间的50～90％，
并且，形成上述气液的液体利用比热和基于流体相变化的蒸发潜热冷却电子零件。
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