CN207395544U - 具有散热鳍片的相变化式蒸发器以及相变化式散热装置 - Google Patents
具有散热鳍片的相变化式蒸发器以及相变化式散热装置 Download PDFInfo
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Abstract
本实用新型涉及一种具有散热鳍片的相变化式蒸发器以及相变化式散热装置,蒸发器于其蒸发器本体上设有多个散热鳍片,散热装置包含蒸发器、冷凝器、连接蒸发器与冷凝器的冷媒输出管与冷媒回流管并充填冷媒。当蒸发器本体吸热时,蒸发器本体内吸热转化为气态的冷媒,能利用散热鳍片快速散热,使部分的气态冷媒直接冷凝重新吸热,其余未及时冷凝的气态冷媒则通过冷媒输出管流向冷凝器冷凝为液态冷媒,再沿冷媒回流管回流至蒸发器本体中重新吸热,藉此达到高效能的散热效果。该蒸发器本体内部还可分隔成相连通的上、下两蒸发室,使下蒸发室中气态冷媒渐进而分散进入上蒸发室,搭配散热鳍片辅助散热而加速气态冷媒的冷凝作用。
Description
技术领域
本实用新型涉及一种散热装置,尤指一种利用相变化的冷媒提供散热功能的相变化式蒸发器与相变化散热装置。
背景技术
目前已知的电子装置运作过程中,通常会伴随着产生热,为降低电子装置等物品因温度过高而不正常运作或损坏等情事,一般而言,在电子装置的主要发热源处,皆会装设有散热装置,通过散热装置吸收发热源所产生的热,达到冷却散热的目的。
目前经常应用于电子装置的现有相变化散热装置组成构造,其主要具有一蒸发器与一冷凝器,并以一冷媒输出管与一冷媒回流管串联蒸发器与冷凝器而构成一封闭的冷媒循环回路,并在该冷媒循环回路中充填适量的冷媒。藉此,利用蒸发器吸收电子装置发热源产生的热,使蒸发器中的冷媒吸热而转化为气态,气态冷媒通过冷媒输出管流向冷凝器,藉由冷凝器扩大散热表面积,使通过其中的气态冷媒转化为液态,液态冷媒通过冷媒回流管回流至蒸发器中重新吸热。
前述相变化式散热装置虽能对电子装置的热源处提供冷却散热功能,但是,该蒸发器内的冷媒吸热后转化为气态,气态冷媒是直接经由冷媒输出管流向冷凝器冷凝为液态后,液态冷媒再回流至蒸发器内部重新吸热,由于蒸发器仅是提供冷媒由液态蒸发为气态的空间,整个散热装置是利用冷媒的液气相变以及冷媒于蒸发器与冷凝器间的流动的机制,以致其所能达成的散热效能有其一定的限度。因此,为了提升相变化散热装置的散热效能,实有必要再作进一步的改良。
实用新型内容
本实用新型所要解决的技术问题是:提供一种具有散热鳍片的相变化式蒸发器与相变化式散热装置,解决现有相变化蒸发器与相变化式散热装置对热源的散热效能不佳的问题。
本实用新型所提出的技术解决方案是:提供一种具有散热鳍片的相变化式蒸发器,其特征在于,其包含:
一蒸发器本体,其内部具有一空间,该蒸发器本体的顶部设有一连通该空间的冷媒出口,该蒸发器本体的侧壁设有一连通该空间的冷媒入口;
一导热底板,其设于蒸发器本体的底板;以及
多个散热鳍片,其分布且导热性连接于该蒸发器本体的外周面。
如上所述的具有散热鳍片的相变化式蒸发器中,该空间中设有一隔板,将该空间区隔成上下排列的一上蒸发室与一下蒸发室,该隔板中设有多个穿孔,该上蒸发室与该下蒸发室通过所述穿孔连通,该冷媒出口连通该上蒸发室,该冷媒入口连通该下蒸发室。
本实用新型所提出的另一技术解决方案是:提供一种相变化式散热装置,其特征在于,其包含:
一如上所述的相变化式蒸发器;
一冷凝器,其包含一第一冷凝基管、一第二冷凝基管、多个散热导管以及多个散热件,该第一冷凝基管与第二冷凝基管是直立设置且间隔排列,多个所述散热导管上下间隔地平行连接于该第一冷凝基管与该第二冷凝基管之间,多个所述散热件导热性接触多个所述散热导管的外表面;
一冷媒输出管,其一端连接该蒸发器本体的冷媒出口,另一端连接该冷凝器的第一冷凝基管;
一冷媒回流管,其一端连接该蒸发器本体的冷媒入口,另一端连接该冷凝器的第二冷凝基管,而构成一封闭的冷媒循环回路;以及
一冷媒,充填于该冷媒循环回路中。
本实用新型可达成的有益效果为,利用该相变化蒸发器于其蒸发器本体外周面的多个散热鳍片的构造,当蒸发器本体吸热时,位于蒸发器本体内的冷媒吸热转化为气态,气态冷媒利用散热鳍片快速散热,使部分的气态冷媒能于蒸发器本体中直接冷凝重回液态重新吸热,其余未及时冷凝的气态冷媒则通过冷媒输出管流向冷凝器冷凝为液态冷媒,液态冷媒再沿冷媒回流管回流至蒸发器本体中重新吸热,藉此达到高效能的散热效果。
本实用新型还可进一步利用蒸器本体内部的空间中设置一具有穿孔的隔板,将该空间分隔成上、下两个蒸发室,利用上、下层空间的区隔构造,使位于下蒸发室中的液态冷媒吸热转化为气态时,气态冷媒以渐进而分散方式上升至上蒸发室中,再设置于蒸发器本体外周面的多个散热鳍片辅助快速散热的作用下,使上升进入上蒸发室中的大部分气态冷媒能够直接冷凝而向下回流至下蒸发室中重回液态重新吸热,达到最佳的高效能散热效果。
附图说明
图1为本实用新型相变化式蒸发器的一较佳实施例的立体示意图。
图2为图1所示相变化蒸发器较佳实施例的侧视剖面示意图。
图3为本实用新型相变化式散热装置的一较佳实施例的立体示意图。
图4为图3所示相变化式散热装置较佳实施例的局部侧视剖面示意图。
图5为图3所示相变化式散热装置较佳实施例的使用状态参考图。
图6为图5的局部放大图。
附图标号简单说明:
1相变化式蒸发器 2冷凝器
3冷媒输出管 4冷媒回流管
5冷媒 6热源
10蒸发器本体
100下蒸发室 101上蒸发室
11导热底板 12冷媒出口
13冷媒入口
14散热鳍片
2A第一冷凝基管 2B第二冷凝基管
20散热导管 21散热件
具体实施方式
以下配合图式及本实用新型的较佳实施例,进一步阐述本实用新型为达成预定实用新型目的所采取的技术手段。
如图1及图2所示,揭示了本实用新型相变化式蒸发器的一较佳实施例,由图中可见,该蒸发器1包含一蒸发器本体10、一导热底板11以及多个散热鳍片14。该蒸发器本体10设于该导热底板11上,多个所述散热鳍片14则是分布且导热性连接于该蒸发器本体10的外周面。
该蒸发器本体10内部具有一空间,其内部具有一空间,该蒸发器本体10的顶部设有一连通该空间的冷媒出口12,该蒸发器本体10的侧壁设有一连通该空间的冷媒入口13。在本较佳实施例中,该氶蒸发器本体10于该空间中设置一隔板102,将该空间区隔成上下排列的一上蒸发室100与一下蒸发室101,该隔板102中设有多个穿孔103,使该上蒸发室101与该下蒸发100室通过所述穿孔103连通,该蒸发器本体10的顶部设有一连通上蒸发室101的冷媒出口12,该蒸发器本体10的侧壁设有一连通下蒸发室100的冷媒入口13。
如图3及图4所示,揭示了前述相变化蒸发器1应用于本实用新型相变化式散热装置的一较佳实施例,该散热装置除了该相变化式蒸发器1外,还包含有一冷凝器2、一冷媒输出管3、一冷媒回流管4以及适量的冷媒5。
所述冷凝器2包含一第一冷凝基管2A、一第二冷凝基管2B、多个散热导管20以及多个散热件21,该第一冷凝基管2A与第二冷凝基管2B是直立设置且间隔排列,多个所述散热导管20上下间隔地平行连接于该第一冷凝基管2A与该第二冷凝基管2B之间,多个所述散热件21导热性接触多个所述散热导管20的外表面。
该冷媒输出管3是以其一端连接该蒸发器本体10的冷媒出口12,另一端连接该冷凝器2的第一冷凝基管2A。该冷媒回流管4则是以其一端连接该蒸发器本体10的冷媒入口13,另一端连接该该冷凝器2的第二冷凝基管2B,如此,使该相变化式蒸发器1、冷凝器2、冷媒输出管3与冷媒回流管4结合而构成一封闭的冷媒循环回路,所述冷媒5则充填于该冷媒循环回路中。
本实用新型相变化散热装置应用于电子装置的热源处的使用情形,该散热装置是以该蒸发器1底部的导热底板11导热性接触电子装置的热源6上,热源6产生的热通过导热底板11热传导至蒸发器本体10内部的冷媒5。当位于蒸发器本体10内的冷媒5吸热转化为气态,气态冷媒利用分布设于蒸发器本体10外周面的散热鳍片14扩大散热表面积,并在周边的气流带动下而快速散热,使部分的气态冷媒能于蒸发器本体10中直接冷凝重回液态重新吸热,其余未及时冷凝的气态冷媒则通过冷媒输出管3流向冷凝器2冷凝为液态冷媒,液态冷媒再沿冷媒回流管4回流至蒸发器本体10中重新吸热,藉此达到高效能的散热效果。
前述中,蒸发器本体10内部还能进一步利用具有穿孔103的隔板102分隔成下蒸发室100与上蒸发室101的构造,液态冷媒4自下蒸发室100中通过导热底板11热传导吸热转化为气态后,气态冷媒以渐进而分散方式通过隔板102的穿孔上升进入上蒸发室101中,并在位于蒸发器本体10外周面的多个散热鳍片14辅助快速散热的作用下,上升进入上蒸发室101中的大部分气态冷媒能够直接冷凝而向下回流至下蒸发室100中重回液态重新吸热,位于上蒸发室101中其余未及时冷凝的气态冷媒再通过冷媒输出管3流向冷凝器2冷凝为液态冷媒。其中,气态冷媒5是先流向冷凝器2一侧的第一冷凝基管2A,接续由第一冷凝基管2A分散通过多个所述散热导管20流向另一侧的第二冷凝基管2B中,于此过程中,藉由热传导至接触多个所述散热导管20的多个所述散热件21,以及利用多个所述散热件21扩大散热表面而快速散热,使通过多个所述散热导管20内的气态冷媒降温而冷凝为液态,之后,液态冷媒5再沿冷媒回流管4回流至蒸发器1的蒸发器本体10中重新再吸热,藉此循环,使该相变化式散热装置能达到高效能的散热效果。
以上所述仅是本实用新型的较佳实施例而已,并非对本实用新型做任何形式上的限制,虽然本实用新型已以较佳实施例揭露如上,然而并非用以限定本实用新型,任何熟悉本专业的技术人员,在不脱离本实用新型技术方案的范围内,当可利用上述揭示的技术内容作出些许更动或修饰为等同变化的等效实施例,但凡是未脱离本实用新型技术方案的内容,依据本实用新型的技术实质对以上实施例所作的任何简单修改、等同变化与修饰,均仍属于本实用新型技术方案的范围内。
Claims (3)
1.一种具有散热鳍片的相变化式蒸发器,其特征在于,其包含:
一蒸发器本体,其内部具有一空间,该蒸发器本体的顶部设有一连通该空间的冷媒出口,该蒸发器本体的侧壁设有一连通该空间的冷媒入口;
一导热底板,其设于蒸发器本体的底板;以及
多个散热鳍片,其分布且导热性连接于该蒸发器本体的外周面。
2.如权利要求1所述的具有散热鳍片的相变化式蒸发器,其特征在于,该空间中设有一隔板,将该空间区隔成上下排列的一上蒸发室与一下蒸发室,该隔板中设有多个穿孔,该上蒸发室与该下蒸发室通过所述穿孔连通,该冷媒出口连通该上蒸发室,该冷媒入口连通该下蒸发室。
3.一种相变化式散热装置,其特征在于,其包含:
一如权利要求1或2所述的相变化式蒸发器;
一冷凝器,其包含一第一冷凝基管、一第二冷凝基管、多个散热导管以及多个散热件,该第一冷凝基管与第二冷凝基管是横向间隔排列设置,多个所述散热导管上下间隔地平行连接于该第一冷凝基管与该第二冷凝基管之间,多个所述散热件导热性接触多个所述散热导管的外表面;
一冷媒输出管,其一端连接该蒸发器本体的冷媒出口,另一端连接该冷凝器的第一冷凝基管;
一冷媒回流管,其一端连接该蒸发器本体的冷媒入口,另一端连接该冷凝器的第二冷凝基管,而构成一封闭的冷媒循环回路;以及
一冷媒,充填于该冷媒循环回路中。
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