CN101149234A - 热管散热器及其制造方法 - Google Patents

热管散热器及其制造方法 Download PDF

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CN101149234A
CN101149234A CN200610062795.4A CN200610062795A CN101149234A CN 101149234 A CN101149234 A CN 101149234A CN 200610062795 A CN200610062795 A CN 200610062795A CN 101149234 A CN101149234 A CN 101149234A
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heat
endothermic section
pipe
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radiator
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杜建军
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Shenzhen Fluence Technology Co Ltd
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Priority to DE112006004034T priority patent/DE112006004034T5/de
Priority to PCT/CN2006/003617 priority patent/WO2008037134A1/zh
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/42Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
    • H01L23/427Cooling by change of state, e.g. use of heat pipes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00Heat-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
    • F28D15/02Heat-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
    • F28D15/0275Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/10Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12Tubular 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
    • F28F1/24Tubular 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 transversely
    • F28F1/32Tubular 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 transversely the means having portions engaging further tubular elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/007Auxiliary supports for elements
    • F28F9/013Auxiliary supports for elements for tubes or tube-assemblies
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/36Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
    • H01L23/367Cooling facilitated by shape of device
    • H01L23/3672Foil-like cooling fins or heat sinks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/4935Heat exchanger or boiler making

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
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  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

本发明涉及一种热管散热器及其制造方法,该热管散热器包括:具有吸热部和与吸热部弯曲连接的散热部的热管以及支撑热管的基座,其中该基座的一侧面上设置有沟槽,热管的吸热部通过挤压夹持在该沟槽内。通过采用上述结构,将热管挤压固定到由基座的沟槽内,可以简化散热器的生产工艺、提高散热效率、降低生产成本。

Description

热管散热器及其制造方法
【技术领域】
本发明涉及一种热管散热器及其制造方法,特别涉及用于对电子元器件进行散热的热管散热器及其制造方法。
【背景技术】
在电子器件的散热问题方面,由于热管所具有热传导能力高、热传导率高、传热速度快、重量轻、结构简单等特点,再加上其可以传递大量的热但不消耗电力,所以热管广泛地应用于各种电子产品的散热装置中。因此,热管散热器已成为解决电子器件散热问题的重要课题。
目前,公知的散热器主要包括有散热片、热管和导热块,其中导热块上开始有多个平行沟槽。在组装时,将沟槽内涂覆低熔点焊料,然后热管的吸热部放置在该沟槽内并通过加热使热管焊接在导热块上,由此实现热管固定,其制造工艺复杂、制造成本高。此外,在现有技术中,热管与导热块固定后是将导热块固定到电子元件的发热表面,由于导热块本身具有热阻,导致散热器的导热速度和散热性能降低。
【发明内容】
为了克服现有技术散热器中热管和基座通过焊接工艺连接,制造工艺复杂技术问题,本发明提出了一种热管和基座挤压固定的热管散热器以及制造方法。此外,本发明还进一步提供了一种具有较高导热速度和散热性能的热管散热器。
本发明解决现有技术的散热器中热管和基座通过焊接工艺连接,制造工艺复杂技术问题所采取的技术方案为:提供一种热管散热器,该热管散热器包括:具有吸热部和与吸热部弯曲连接的散热部的热管以及支撑热管的基座,其中基座的一侧面上设置有沟槽,热管的吸热部通过挤压夹持在沟槽内。
根据本发明一优选实施例,热管的吸热部具有与基座的底部平面相平并作为吸热面的挤压面。
根据本发明一优选实施例,述基座为平板状固定块,沟槽在固定块的侧面上纵向排列并横向延伸。
根据本发明一优选实施例,沟槽具有渐收状的开口。
根据本发明一优选实施例,沟槽和吸热部之间进一步设置导热介质。
根据本发明一优选实施例,热管为U型热管或L型热管。
本发明解决现有技术的散热器中热管和基座通过焊接工艺连接,制造工艺复杂技术问题所采取的技术方案为:提供一种热管散热器制造方法,该热管散热器制造方法包括:a.提供具有吸热部和与吸热部弯曲连接的散热部的热管以及侧面设置有沟槽的基座,b.挤压热管的吸热部以使吸热部夹持在沟槽内。
根据本发明一优选实施例,在步骤b中,将热管的吸热部部分设置基座的沟槽内,利用夹具挤压吸热部的凸出部分使吸热部夹持在沟槽中。
根据本发明一优选实施例,在步骤b中,挤压吸热部以形成作为吸热面的挤压面。
根据本发明一优选实施例,在步骤b中,挤压热管的吸热部,使吸热部具有与基座的底部平面相平的挤压面。
通过采用上述结构和方法,将热管挤压固定到基座的沟槽内上,可以简化散热器的生产工艺、提高散热效率、降低生产成本。
【附图说明】
图1为本发明热管散热器一实施例的分解示意图;
图2为图1所示热管散热器中热管及基座的分解示意图;
图3为本发明热管散热器一实施例的组装示意图。
【具体实施方式】
有关本发明的特征及技术内容,请参考以下的详细说明与附图,附图仅提供参考与说明,并非用来对本发明加以限制。
如图1-图3所示,本发明的散热器1主要包括:具有吸热部111和与吸热部111弯曲连接的散热部112的热管11以及支撑热管11的基座12以及穿设在热管11上的多个散热片13。在本实施例中,基座12为平板状固定块,基座12的一侧面上设有纵向排列并横向延伸上的沟槽121,热管12的吸热部111挤压夹持在沟槽121内。沟槽121优先具有渐收状的开口,以增强固定效果。散热片13以铝、铜或其它散热性良好的金属材料制成,在其上设有多个穿孔。热管11可为L型、U型或具有其它弯曲形状的热管,其内部具有毛细组织及工作液体,外部形成有吸热部111及散热部112。此外,散热器1除可为上述的型态外,还可以采用其他适当结构。由于吸热部111挤压夹持在沟槽121内,散热器1的制造工艺更加简单,固定效果更好。
在挤压吸热部111的过程中,应使吸热部111的挤压面与基座12的底部平面相平。这样在将散热器1与电子元件(未图示)相固定时,吸热部111的挤压面与电子元件的发热源表面直接接触并作为吸热面,由此增加散热器的导热效果和散热性能。此外,在吸热部111和沟槽121之间还可以进一步设置导热介质,使吸热部111通过导热介质与基座12充分接触,由此进一步提升导热效果。
下面介绍本发明的热管散热器的制造方法一优选实施例,在本实施例中,首先,提供具有吸热部111和与吸热部111弯曲连接的散热部112的热管11以及侧面设置有沟槽121的基座12;将热管11的吸热部111部分设置基座12的沟槽121内,利用夹具挤压吸热部111的凸出部分,吸热部111变形,并进而夹持在沟槽121中。在挤压过程中,挤压吸热部111使挤压面与基座12的底部平面相平,并将该挤压面作为吸热面。
通过采用上述结构和方法,热管挤压固定到基座的沟槽内上,可以简化散热器的生产工艺、提高散热效率、降低生产成本。
以上所述,仅为本发明的优选实施例,并非因此即限定本发明的专利范围,凡是应用本发明说明书及附图内容所作的等效结构变换,直接或简接应用在其它相关的技术领域,均同理包含在此发明的专利范围内。

Claims (10)

1.一种热管散热器,所述热管散热器包括:具有吸热部和与所述吸热部弯曲连接的散热部的热管以及支撑所述热管的基座,其特征在于:所述基座的一侧面上设置有沟槽,所述热管的吸热部通过挤压夹持在所述沟槽内。
2.根据权利要求1所述的热管散热器,其特征在于:所述热管的吸热部具有与所述基座的底部平面相平并作为吸热面的挤压面。
3.根据权利要求1或2所述的热管散热器,其特征在于:所述基座为平板状固定块,所述沟槽在所述固定块的侧面上纵向排列并横向延伸。
4.根据权利要求1或2所述的热管散热器,其特征在于:所述沟槽具有渐收状的开口。
5.根据权利要求1或2所述的热管散热器,其特征在于:所述沟槽和所述吸热部之间进一步设置导热介质。
6.根据权利要求1或2所述的热管散热器,其特征在于:所述热管为U型热管或L型热管。
7.一种热管散热器制造方法,所述散热器制造方法包括:
a.提供具有吸热部和与所述吸热部弯曲连接的散热部的热管以及侧面设置有沟槽的基座,
b.挤压所述热管的吸热部以使所述吸热部夹持在所述沟槽内。
8.根据权利要求7所述的散热器制造方法,其特征在于:在步骤b中,将所述热管的吸热部部分设置所述基座的沟槽内,利用夹具挤压所述吸热部的凸出部分使所述吸热部夹持在所述沟槽中。
9.根据权利要求8所述的散热器制造方法,其特征在于:在步骤b中,挤压所述吸热部以形成作为吸热面的挤压面。
10.根据权利要求7-9任意一项所述的散热器制造方法,其特征在于:在所述步骤b中,挤压所述热管的吸热部,使所述吸热部具有与所述基座的底部平面相平的挤压面。
CN200610062795.4A 2006-09-22 2006-09-22 热管散热器制造方法 Ceased CN101149234B (zh)

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CN200610062795.4A CN101149234B (zh) 2006-09-22 2006-09-22 热管散热器制造方法
DE202006021052U DE202006021052U1 (de) 2006-09-22 2006-12-27 Wärmerohr-Kühlvorrichtung
DE112006004034T DE112006004034T5 (de) 2006-09-22 2006-12-27 Wärmerohr-Kühlvorrichtung und Verfahren zu ihrer Herstellung
PCT/CN2006/003617 WO2008037134A1 (en) 2006-09-22 2006-12-27 A heat pipe radiator and manufacturing method thereof
US12/442,360 US20090314471A1 (en) 2006-09-22 2006-12-27 Heat pipe type heat sink and method of manufacturing the same

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CN101927304A (zh) * 2009-06-23 2010-12-29 株式会社三社电机制作所 散热装置的制造方法及散热装置
CN102049672A (zh) * 2009-11-03 2011-05-11 鈤新科技股份有限公司 多热管蒸发部共平面的制造方法及其成品结构、工具
CN102176814A (zh) * 2008-08-07 2011-09-07 鈤新科技股份有限公司 将并列热管的蒸发端齐平结合于固定座的方法
CN102218487A (zh) * 2011-03-04 2011-10-19 东莞汉旭五金塑胶科技有限公司 导热座供多热管密合排列之组配方法及其结构
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CN100338767C (zh) * 2004-05-26 2007-09-19 鸿富锦精密工业(深圳)有限公司 热管散热装置及其制造方法
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CN200953713Y (zh) * 2006-09-22 2007-09-26 杜建军 热管散热器
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CN102218487A (zh) * 2011-03-04 2011-10-19 东莞汉旭五金塑胶科技有限公司 导热座供多热管密合排列之组配方法及其结构
CN102218487B (zh) * 2011-03-04 2016-01-13 东莞汉旭五金塑胶科技有限公司 导热座供多热管密合排列之组配方法及其结构
TWI651509B (zh) * 2011-03-11 2019-02-21 黃崇賢 熱管與導熱座之限位組配結構
CN103759561A (zh) * 2014-01-21 2014-04-30 华南理工大学 一种基于相变压胀的热管散热器及其制造方法
CN104075604A (zh) * 2014-07-17 2014-10-01 芜湖长启炉业有限公司 多u形热管同腔超导体
CN109084605A (zh) * 2018-08-01 2018-12-25 中国科学技术大学 一种加热段非弯头结构的脉动热管

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DE202006021052U1 (de) 2012-03-14

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