CN1936479A - 热导管及其制造方法 - Google Patents

热导管及其制造方法 Download PDF

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CN1936479A
CN1936479A CNA2005100374602A CN200510037460A CN1936479A CN 1936479 A CN1936479 A CN 1936479A CN A2005100374602 A CNA2005100374602 A CN A2005100374602A CN 200510037460 A CN200510037460 A CN 200510037460A CN 1936479 A CN1936479 A CN 1936479A
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heat pipe
sealing
section
opening
tube
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CN100467996C (zh
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侯春树
童兆年
刘泰健
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Fuzhun Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Fuzhun Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
    • 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
    • F28D15/0283—Means for filling or sealing heat pipes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
    • H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
    • H01L21/4814—Conductive parts
    • H01L21/4871—Bases, plates or heatsinks
    • H01L21/4882—Assembly of heatsink parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • 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
    • H01L23/427—Cooling by change of state, e.g. use of heat pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
    • B23P2700/09—Heat pipes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49353—Heat pipe device making
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53313—Means to interrelatedly feed plural work parts from plural sources without manual intervention
    • Y10T29/53322—Means to assemble container
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53313—Means to interrelatedly feed plural work parts from plural sources without manual intervention
    • Y10T29/53322—Means to assemble container
    • Y10T29/53343—Means to assemble container including fluid component
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53443—Means to assemble or disassemble container and fluid component

Abstract

一种热导管及其制造方法，该热导管的制造方法包括以下步骤：提供一具有第一及第二开口的管体，并将该管体固定；自该管体的第一开口对该管体进行抽真空，直至该管体内达到预定的真空度；对该第一开口进行密封处理以获得第一封口段；自该管体的第二开口注入液体；及对该第二开口进行密封处理以获得第二封口段。由该制造方法制成的热导管包括密闭的管体，该管体内设有毛细结构并含有适量工作介质，其中该管体两端分别形成压扁的封口段。

Description

热导管及其制造方法
【技术领域】
本发明涉及一种热导管及其制造方法。
【背景技术】
热导管的真空度直接影响相变潜热的响应温度大小，其响应温度随着真空度的增加而降低；而工作介质含量多寡直接影响最大热传量(Qmax)及温度差(ΔT)。
如图1及图2所示，传统的热管制造作法是将热导管2一端封闭再将定量的工作介质3置于热导管2内，在利用外部的抽真空系统4将热导管2内的气体抽离，最后利用机械啮合、铆合方式、焊接方式使其封口。然而随着热导管2内真空度的增加，其内工作介质3不断的蒸发，导致高真空度很难达到要求，进而影响热导管的性能。
因此，相关业者提出所谓的加热除气法、二次除气法、去非凝结性气体等方法的产生。其最终目的不外乎是要得到高真空度的热导管，但这些方法都不能将工作介质的充填量予以量化。换言之，上述种种方法迄今为止尚未能提供一量化的真空度及注液量，导致同一批次热导管性能上的变异。
【发明内容】
有鉴于此，有必要提供一种热导管及其制造方法。
一种热导管制造方法，具体步骤可总结为：提供一具有第一及第二开口的管体，并将该管体固定；自管体的第一开口对该管体进行抽真空，直至该管体内达到预定的真空度；对该第一开口进行密封处理以获得第一封口段；自该管体的第二开口注入液体；及对该第二开口进行密封处理以获得第二封口段。
一种热导管，包括密闭的管体，该管体内设有毛细结构并充填有适量工作介质，其中该管体两端分别形成压扁的封口段。
相较于现有技术，所述热导管及其制造方法利用开放式管体抽气，可有效控制热导管内部真空度；此外，由于热导管包括两个压扁封口段，所以可以从管体一端抽真空后再从另一端将工作介质导入管体内，可有效控制工作介质充填量。
下面参照附图，结合具体实施例对本发明作进一步的描述。
【附图说明】
图1是现有技术中热导管制造过程结构示意图。
图2是现有技术中一热导管结构示意图。
图3是本发明热导管制造的结构示意图。
图4是发明一实施例之热导管封口结构。
图5是本发明另一实施例的热导管封口结构。
图6是图5沿A-A线之剖面放大示意图。
图7是本发明又一实施例的热导管封口结构示意图。
【具体实施方式】
请参阅图3至图4，是本发明热导管的制造装置及封口结构示意图。该热导管的制造装置包括一真空泵20、一夹扁机30、一切断机40、一焊接机50、一注液槽60、一真空计70及一对阀门80、81。
该热导管的制造装置的动作原理如下：首先，将具第一开口12及第二开口14的管体10置于真空抽引管内，并以底座(图未示)固定。管体10内设有毛细结构。开启真空阀门80，关闭注液阀门81并启动真空泵20将管体10内的气体由第一开口12抽离，管体10的第二开口14置有真空计70，显示管体10尾端真空度。当真空度达到设定值时，夹扁机30即作动，利用机械作用力将管体10第一开口12端夹紧铆合，同时将多余的管体10部分以切断机40切除，随后以氩焊或电阻焊接或雷射焊接迅速将此端封口焊接，以完成抽真空、焊尾端动作进而形成热导管第一封口段102。随后关闭真空阀门80，开启注液阀门81，通过压力差将注液槽60中定量的液体吸入管体10内，完成后，夹扁机30动作，夹扁模具将管体10顶端缩管夹紧并与以机械式铆合，同时将多余的硬缩管部分以切断机40切除，再通过焊接机50施以顶端焊接封口动作进而形成热导管第二封口段104。此即完成管体10的抽真空、注液、夹扁、焊接等制程，将管体10封口进而制成密闭的热导管。由于本实施例采用上述制程，使上述夹扁、切断及焊接封口的动作得以在同一工站中快速完成，避免管体10发生真空泄漏问题，故能达到确保热导管内的定量注液及准确真空度的高品质产品要求。
其中，管体10两端封口方法可以采用电阻焊接、氩焊、雷射焊接、超音波焊接。
其中，注液可以是液态水、酮类、醇类、烷类。管体10可以是铝管、铜管。
请再参阅图5至图7为本发明的热导管封口结构示意图。主要是利用夹扁模具的设计使热导管的封口为两端口同时焊接的结构。管体10临近封口段的两侧分别形成一管径渐缩的缩口段，使管体10两端呈锥形。图5及图6为使用平面式夹扁模具将封口段102、104压扁，使封口段102、104呈扁平状。图7为使用具圆弧状的公母夹扁模具将封口段压扁，使封口段呈圆弧状。
是以，为达成此目的可以夹扁模具的设计来改变封口结构，以达到封口要求。
以上述方法加工的热导管，可为直管或其管径呈梯度改变。
为达成上述目的及功效，本发明所采用的技术手段及其构造，兹绘图就本发明的较佳实施例详加说明其特征与功能如下，俾利完全了解。
本发明热导管及其制造方法与习用技术相比所具有的优点包括：
(一)利用开放式管体10有利于抽气动作，有效控制热导管内部真空度；
(二)利用真空压力差将工作介质导入管体10内，有效控制工作介质含量；
(三)利用瞬间机械铆合产生巨大塑性变形，尚能维持一定真空度，即施以焊接动作，有效控制热导管内部真空度及工作介质含量；
(四)同一工站可实现多功能制程，就上述实施例而言，可将上述抽真空、注液、夹扁、切断及焊接等五个工站集成，大幅降低制造时间、空间、人力、设备及生产的成本，且以同一工站完成多个工段，热导管可靠度提高，亦可大量节省检测费用及增加出货速度。

Claims (10)

1.一种热导管的制造方法，包括以下步骤：
提供一具有第一及第二开口的管体，并将该管体固定；
自该管体的第一开口对该管体进行抽真空，直至该管体内达到预定的真空度；
对该第一开口进行密封处理以获得第一封口段；
自该管体的第二开口注入液体；及
对该第二开口进行密封处理以获得第二封口段。
2.如权利要求1所述的热导管的制造方法，其特征在于：在上述抽真空、密封处理及注液过程中，该管体始终被定位于一加工位置。
3.如权利要求1所述的热导管的制造方法，其特征在于：该密封处理包括对所述的第一开口或第二开口所在的部位施行夹扁、切断及焊接封口操作。
4.一种热导管，包括密闭的管体，该管体内设有毛细结构并充填有适量工作介质，其特征在于：该管体两端分别形成压扁的封口段。
5.如权利要求4所述的热导管，其特征在于：该管体为直管。
6.如权利要求4所述的热导管，其特征在于：该管体具有梯度管径。
7.如权利要求4所述的热导管，其特征在于：该管体临近封口段的两侧分别形成一管径渐缩的缩口段。
8.如权利要求7所述的热导管，其特征在于：该二封口段呈扁平状。
9.如权利要求7所述的热导管，其特征在于：该二封口段呈弧状。
10.如权利要求7所述的热导管，其特征在于：该热导管两端呈锥形。
CNB2005100374602A 2005-09-21 2005-09-21 热导管及其制造方法 Expired - Fee Related CN100467996C (zh)

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US11/308,730 US7430804B2 (en) 2005-09-21 2006-04-26 Apparatus and method for manufacturing heat pipe

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CN109708503A (zh) * 2018-12-27 2019-05-03 碳元科技股份有限公司 一种超薄热管及其制作工艺
CN111238272A (zh) * 2020-01-09 2020-06-05 安徽苏立新能源科技研究院有限公司 一种异型热管负压沸腾热排装置

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CN105865240A (zh) * 2015-01-19 2016-08-17 奇鋐科技股份有限公司 扁平热管无效端去除方法
CN105865240B (zh) * 2015-01-19 2018-02-27 奇鋐科技股份有限公司 扁平热管无效端去除方法
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