CN115413177A - 散热装置 - Google Patents

散热装置 Download PDF

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CN115413177A
CN115413177A CN202110575251.2A CN202110575251A CN115413177A CN 115413177 A CN115413177 A CN 115413177A CN 202110575251 A CN202110575251 A CN 202110575251A CN 115413177 A CN115413177 A CN 115413177A
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liquid
heat dissipation
heat
tube
liquid cooling
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童凯炀
陈虹汝
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Inventec Pudong Technology Corp
Inventec Corp
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Inventec Pudong Technology Corp
Inventec Corp
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Priority to US17/349,867 priority patent/US20220381520A1/en
Publication of CN115413177A publication Critical patent/CN115413177A/zh
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H05K7/20327—Accessories for moving fluid, for connecting fluid conduits, for distributing fluid or for preventing leakage, e.g. pumps, tanks or manifolds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • 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
    • F28D15/0266—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 with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • 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
    • F28D15/0233—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 conduits having a particular shape, e.g. non-circular cross-section, annular
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    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • 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
    • F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • 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
    • F28D15/04—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 with tubes having a capillary structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
    • F28F1/16—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being integral with the element, e.g. formed by extrusion
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H05K7/20318—Condensers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
    • H05K7/208—Liquid cooling with phase change
    • H05K7/20809—Liquid cooling with phase change within server blades for removing heat from heat source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0028—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for cooling heat generating elements, e.g. for cooling electronic components or electric devices
    • F28D2021/0029—Heat sinks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0028—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for cooling heat generating elements, e.g. for cooling electronic components or electric devices
    • F28D2021/0031—Radiators for recooling a coolant of cooling systems

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Abstract

本发明公开一种散热装置，包含一热虹吸管、一第一液冷管以及一第一散热鳍片组。热虹吸管具有一蒸发段以及一冷凝段。第一液冷管套设于冷凝段上。第一散热鳍片组套设于第一液冷管上。

Description

散热装置
技术领域
本发明涉及一种散热装置，尤指一种可有效提升散热效率的散热装置。
背景技术
热虹吸管由于结构简单，经常用来对电子元件进行散热。一般而言，热虹吸管的蒸发段会与发热量较大的电子元件(例如，中央处理单元或显示卡)接触，来进行散热。然而，对于其它未与热虹吸管接触的电子元件(例如，记忆体)，并无散热效果。因此，其它电子元件必须藉由机箱的内部空气进行散热。接着，被加热的空气会流出机箱，再透过机房空调排出机房。在此过程中，热空气在冷却前会与冷空气混合，进而造成机箱的进风温度上升，使得散热效率下降。
发明内容
本发明提供一种可有效提升散热效率的散热装置，以解决上述的问题。
根据一实施例，本发明的散热装置包含一热虹吸管、一第一液冷管以及一第一散热鳍片组。热虹吸管具有一蒸发段以及一冷凝段。第一液冷管套设于冷凝段上。第一散热鳍片组套设于第一液冷管上。
于另一实施例中，散热装置另包含一第二液冷管以及一第二散热鳍片组，第二液冷管与第一液冷管并联，第二散热鳍片组套设于第二液冷管上。
根据另一实施例，本发明的散热装置包含一热虹吸管、一第一液冷管、一第二液冷管以及一散热鳍片组。热虹吸管具有一蒸发段以及一冷凝段。第一液冷管套设于冷凝段上。第二液冷管与第一液冷管并联。散热鳍片组套设于第二液冷管上。
综上所述，本发明可将第一液冷管套设于热虹吸管的冷凝段上，且将第一散热鳍片组套设于第一液冷管上。热虹吸管的蒸发段是与电子元件接触。电子元件产生的热量会将热虹吸管中的冷却液蒸发。接着，蒸气会流至冷凝段，再由第一液冷管进行冷却。同时，第一散热鳍片组可吸收机箱内部的热量，再与第一液冷管进行热交换，使得空气在流出机箱前先被冷却。藉此，即可有效提升散热装置的散热效率。此外，本发明可增设第二液冷管与第二散热鳍片组，以进一步提升热交换效率。于另一实施例中，本发明亦可利用第一液冷管对热虹吸管的冷凝段进行冷却，且利用第二液冷管与其上的散热鳍片组对机箱内部的热空气进行热交换。换言之，当第二液冷管与第一液冷管并联时，第一液冷管上可不设置散热鳍片组，视实际应用而定。
关于本发明的优点与精神可以藉由以下的发明详述及所附图式得到进一步的了解。
附图说明
图1为根据本发明一实施例之散热装置的立体图。
图2为图1中的散热装置的爆炸图。
图3为根据本发明另一实施例之散热装置的立体图。
图4为图3中的散热装置的爆炸图。
图5为根据本发明另一实施例之散热装置的立体图。
图6为根据本发明另一实施例之散热装置的立体图。
符号说明：
1,1',1”,1”':散热装置
3:机箱
10:热虹吸管
12:第一液冷管
14:第一散热鳍片组
16:第二液冷管
18:第二散热鳍片组
20:散热鳍片组
30:电子元件
100:蒸发段
102:冷凝段
120:液体入口
122:液体出口
具体实施方式
请参阅图1以及图2，图1为根据本发明一实施例的散热装置1的立体图，图2为图1中的散热装置1的爆炸图。
如图1与图2所示，散热装置1包含一热虹吸管10、一第一液冷管12以及一第一散热鳍片组14。散热装置1可设置于机箱3中，以对电子元件30与机箱3中其它电子元件(未绘示于图中)所产生的热量进行散热。机箱3可为伺服器或其它电子装置的机箱，电子元件30可为中央处理单元、显示卡或其它电子元件，视实际应用而定。
热虹吸管10具有一蒸发段100以及一冷凝段102。在实际应用中，热虹吸管10中填充有冷却液(例如，水或其它液体)。第一液冷管12套设于热虹吸管10的冷凝段102上。第一液冷管12具有一液体入口120以及一液体出口122。液体入口120与液体出口122可连接于外部的冷却液供给装置，使得冷却液(例如，水或其它液体)可由液体入口120流入第一液冷管12，再由液体出口122流出第一液冷管12，进而形成一冷却回路。第一散热鳍片组14套设于第一液冷管12上。在本实施例中，第一散热鳍片组14可以紧配或焊接的方式与第一液冷管12结合，但不以此为限。第一散热鳍片组14的鳍片数量可根据实际应用而决定，不以图中所绘示的实施例为限。
如图1所示，热虹吸管10的蒸发段100是与电子元件30接触，以对电子元件30进行散热。电子元件30产生的热量会将热虹吸管10中的冷却液蒸发。接着，蒸气会流至冷凝段102，再由第一液冷管12中的冷却液进行冷却。同时，第一散热鳍片组14可吸收机箱3内部其它电子元件产生的热量，再与第一液冷管12进行热交换，使得空气在流出机箱3前先被冷却。藉此，即可有效提升散热装置1的散热效率。
在本实施例中，第一液冷管12的内壁面可形成有螺纹结构(例如，螺纹沟槽)。藉此，冷却液流经螺纹结构时会形成紊流，以提升冷却液与外界空气的热交换效率。
请参阅图3以及图4，图3为根据本发明另一实施例的散热装置1'的立体图，图4为图3中的散热装置1'的爆炸图。散热装置1'与上述的散热装置1的主要不同之处在于，散热装置1'另包含一第二液冷管16以及一第二散热鳍片组18，如图3与图4所示。散热装置1'同样可设置于机箱3中，以对电子元件30与机箱3中其它电子元件(未绘示于图中)所产生的热量进行散热。
第二液冷管16与第一液冷管12并联，且第二散热鳍片组18套设于第二液冷管16上。在本实施例中，第二液冷管16与第一液冷管12共用同一液体入口120以及同一液体出口122。因此，冷却液(例如，水或其它液体)亦可由液体入口120流入第二液冷管16，再由液体出口122流出第二液冷管16，进而形成另一冷却回路。此外，第二散热鳍片组18可以紧配或焊接的方式与第二液冷管16结合，但不以此为限。第二散热鳍片组18的鳍片数量可根据实际应用而决定，不以图中所绘示的实施例为限。
在本实施例中，第二散热鳍片组18可用以吸收机箱3内部其它电子元件产生的热量，再与第二液冷管16进行热交换，使得空气在流出机箱3前先被冷却。藉此，即可有效进一步提升冷却液与外界空气的热交换效率。
在本实施例中，第二液冷管16的内壁面亦可形成有螺纹结构(例如，螺纹沟槽)。藉此，冷却液流经螺纹结构时会形成紊流，以提升冷却液与外界空气的热交换效率。
请参阅图5，图5为根据本发明另一实施例的散热装置1”的立体图。散热装置1”与上述的散热装置1'的主要不同之处在于，散热装置1”的第一散热鳍片组14与第二散热鳍片组18一体成型，如图5所示。散热装置1”同样可设置于机箱3中，以对电子元件30与机箱3中其它电子元件(未绘示于图中)所产生的热量进行散热。藉此，可在机箱3内部有限的空间中放大鳍片面积，进而提升热交换效率。
请参阅图6，图6为根据本发明另一实施例的散热装置1”'的立体图。如图6所示，散热装置1”'包含一热虹吸管10、一第一液冷管12、一第二液冷管16以及一散热鳍片组20。散热装置1”'同样可设置于机箱3中，以对电子元件30与机箱3中其它电子元件(未绘示于图中)所产生的热量进行散热。热虹吸管10、第一液冷管12与第二液冷管16的结构与作用原理是如上所述，在此不再赘述。
在本实施例中，散热鳍片组20套设于第二液冷管16上。散热鳍片组20可以紧配或焊接的方式与第二液冷管16结合，但不以此为限。散热鳍片组20的鳍片数量可根据实际应用而决定，不以图中所绘示的实施例为限。在本实施例中，散热鳍片组20可用以吸收机箱3内部其它电子元件产生的热量，再与第二液冷管16进行热交换，使得空气在流出机箱3前先被冷却。藉此，即可有效提升冷却液与外界空气的热交换效率。因此，当第二液冷管16与第一液冷管12并联时，第一液冷管12上可不设置散热鳍片组，视实际应用而定。
在本实施例中，第二液冷管16的内壁面可形成有螺纹结构(例如，螺纹沟槽)。藉此，冷却液流经螺纹结构时会形成紊流，以提升冷却液与外界空气的热交换效率。
综上所述，本发明可将第一液冷管套设于热虹吸管的冷凝段上，且将第一散热鳍片组套设于第一液冷管上。热虹吸管的蒸发段是与电子元件接触。电子元件产生的热量会将热虹吸管中的冷却液蒸发。接着，蒸气会流至冷凝段，再由第一液冷管进行冷却。同时，第一散热鳍片组可吸收机箱内部的热量，再与第一液冷管进行热交换，使得空气在流出机箱前先被冷却。藉此，即可有效提升散热装置的散热效率。此外，本发明可增设第二液冷管与第二散热鳍片组，以进一步提升热交换效率。于另一实施例中，本发明亦可利用第一液冷管对热虹吸管的冷凝段进行冷却，且利用第二液冷管与其上的散热鳍片组对机箱内部的热空气进行热交换。换言之，当第二液冷管与第一液冷管并联时，第一液冷管上可不设置散热鳍片组，视实际应用而定。
以上所述仅为本发明的较佳实施例，凡依本发明权利要求书所做的均等变化与修饰，皆应属本发明的涵盖范围。

Claims (10)

1.一种散热装置，其特征在于，包含：
一热虹吸管，具有一蒸发段以及一冷凝段；
一第一液冷管，套设于所述冷凝段上；以及
一第一散热鳍片组，套设于所述第一液冷管上。
2.如权利要求1所述的散热装置，其特征在于，其中所述第一液冷管的内壁面形成有螺纹结构。
3.如权利要求1所述的散热装置，其特征在于，其中所述第一散热鳍片组以紧配或焊接的方式与所述第一液冷管结合。
4.如权利要求1所述的散热装置，其特征在于，另包含一第二液冷管以及一第二散热鳍片组，所述第二液冷管与所述第一液冷管并联，所述第二散热鳍片组套设于所述第二液冷管上。
5.如权利要求4所述的散热装置，其特征在于，其中所述第一散热鳍片组与所述第二散热鳍片组一体成型。
6.如权利要求4所述的散热装置，其特征在于，其中所述第二液冷管的内壁面形成有螺纹结构。
7.如权利要求4所述的散热装置，其特征在于，其中所述第二散热鳍片组以紧配或焊接的方式与所述第二液冷管结合。
8.一种散热装置，其特征在于，包含：
一热虹吸管，具有一蒸发段以及一冷凝段；
一第一液冷管，套设于所述冷凝段上；
一第二液冷管，与所述第一液冷管并联；以及
一散热鳍片组，套设于所述第二液冷管上。
9.如权利要求8所述的散热装置，其特征在于，其中所述第二液冷管的内壁面形成有螺纹结构。
10.如权利要求8所述的散热装置，其特征在于，其中所述散热鳍片组以紧配或焊接的方式与所述第二液冷管结合。
CN202110575251.2A 2021-05-26 2021-05-26 散热装置 Pending CN115413177A (zh)

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