CN103841802B - 电子装置 - Google Patents

电子装置 Download PDF

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Publication number
CN103841802B
CN103841802B CN201210491297.7A CN201210491297A CN103841802B CN 103841802 B CN103841802 B CN 103841802B CN 201210491297 A CN201210491297 A CN 201210491297A CN 103841802 B CN103841802 B CN 103841802B
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electronic installation
heating column
lower cover
lid
upper lid
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CN103841802A (zh
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杻家庆
邱英哲
王正郁
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Asustek Computer Inc
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Asustek Computer Inc
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Priority to CN201210491297.7A priority Critical patent/CN103841802B/zh
Priority to US14/072,758 priority patent/US9313915B2/en
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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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • G06F1/203—Cooling means for portable computers, e.g. for laptops
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • 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
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
    • 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
    • H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
    • H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Theoretical Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

本发明涉及一种电子装置，包括上盖、与上盖组合的下盖，以及导热柱。上盖与下盖共同定义容置空间，导热柱设置于容置空间中，并实体连接上盖与下盖，以平衡上盖与下盖的温度。

Description

电子装置
技术领域
本发明涉及一种电子装置，且特别是涉及一种可携式电子装置。
背景技术
电子装置在运作时，需要依靠处理器来进行运算，而在处理器执行运作时，必定会产生高温。若不将此热量排除，则会使电子装置的运作出现不稳定的状况。为达到较佳的散热效果，电子装置需要散热模块以进行有效散热。
然而，随着科技的发展，越来越多的可携式电子装置，如笔记本电脑、平板电脑、智能手机等已大量应用于日常生活中。又为了顺应行动化的大众市场的微型化的需求，此些可携式电子装置的体积必然受到限制，机壳内部供散热模块进行散热的空间也受到限制。
发明内容
本发明的目的是提供一种具有导热柱的电子装置，用以提升电子装置的散热效率。
依照本发明一个实施例，提出一种电子装置，包括上盖、与上盖组合的下盖，以及导热柱。上盖与下盖共同定义容置空间，导热柱设置于容置空间中，并实体连接上盖与下盖，以平衡上盖与下盖的温度。
导热柱可以为实心结构。或者，导热柱可以为空心结构，导热柱包括侧壁以及由侧壁所围绕定义的通道。导热柱更可以选择性地包括形成于侧壁的多个孔洞。上盖包括有多个散热孔，通道通向散热孔。电子装置更包括设置于容置空间中的风扇，其中电子装置外部的空气因风扇的导引而从通道进入电子装置内部，而后空气再经由孔洞流出而沿着风扇所提供的气流流动路径流动。本发明通过实体连接电子装置的上盖与下盖的导热柱，平衡上盖与下盖的温度，可以有效提升电子装置的散热效率。
附图说明
图1所示为本发明一个实施例的电子装置的剖面图。
图2所示为本发明另一实施例的电子装置的局部上视图。
图3所示为本发明图2的电子装置的局部外观示意图。
具体实施方式
以下将以附图及详细说明来清楚地说明本发明的精神，任何本领域技术人员在了解本发明的较佳实施例后，可由本发明所教示的技术，加以改变及修改，其并不脱离本发明的精神与范围。
参照图1，其所示为本发明的电子装置一个实施例的剖面图。电子装置100中包括上盖110、下盖120以及导热柱130。其中上盖110与下盖120相互组合以构成电子装置100的壳体，并在上盖110与下盖120之间共同定义出容置空间。导热柱130位于容置空间中，并实体连接上盖110与下盖120，以通过导热柱130平衡上盖110与下盖120的温度。
在电子装置100中，基于发热组件配置或是摆设位置的差异，常会使得上盖110或是下盖120其中之一具有较高的温度。本发明通过连接上盖110与下盖120的导热柱130，将热量从上盖110或是下盖120中温度较高者向温度较低者传递，以避免高温过度集中于电子装置100的某一区域，并且得以平衡电子装置100壳体的温度分布。
导热柱130的材料较佳地为导热系数较高的金属，如铜或铝。导热柱130的形状、尺寸均不受限制，只要其两端分别连接上盖110与下盖120即可。本实施例中，导热柱130为实心的矩形柱体。需注意的是，虽然图中所示的导热柱130为截面形状一致的均匀柱体，但是本领域人员当可根据实际的需求改变导热柱130的形状与尺寸。
参照图2，其所示为本发明另一实施例的电子装置的局部上视图。为了清楚地表示本发明的特征，此图中未绘出上盖。
电子装置100还包括风扇140，风扇140设置于容置空间中。下盖120具有多个进气孔122，使气流进入电子装置100中进行散热。本实施例中的导热柱130为一种空心结构，其包括侧壁132以及由侧壁132所围绕定义的通道134。导热柱130还包括形成于侧壁132的多个孔洞136。气流通过风扇140的导引可以通过通道134以及孔洞136，进一步提升导热柱130的散热效果。
具体而言，通过风扇140排气会使得电子装置100内部相对于外界形成负压，并形成预定的气流流动路径。电子装置100外部的温度较低的气流因负压的导引而自然地从导热柱130的通道134进入电子装置100内部，而后此些气流再经由侧壁132上的孔洞136流出而沿着风扇140所提供的预定气流流动路径流动，此气流对电子装置100中的电子组件进行热交换后由风扇140排出。
具有通道134以及孔洞136的导热柱130除了可以将热量从上盖110(见图1)或是下盖120中温度较高者向温度较低者传递，以平衡两者的温度外，更因为导热柱130上具有通道134以及多个孔洞136，增加了导热柱130与气流之间的接触面积，因此可以增加导热柱130与气流之间的热交换面积，进一步地提升导热柱130的热交换效率。
参照图3，其所示为图2中本发明的电子装置的局部外观示意图。电子装置100的上盖110可以具有多个散热孔112，以供气流进入电子装置100。当导热柱130为空心结构时，导热柱130可以设置于散热孔112下方，导热柱130的通道134可以通向散热孔112。当然，导热柱130的设置位置不限于散热孔112下方，只要实体连接上盖110与下盖120(见图1)即可。
根据仿真实验的结果，本发明在电子装置中加装了导热柱之后，确实可以有效地提升电子装置的散热效率。模拟的条件以及结果如下表所示：
中央处理器 显卡 上盖 下盖
实验例1 85.5℃ 83.3℃ 43.6℃ 33.1℃
实验例2 85.5℃ 83.4℃ 38.4℃ 33.8℃
实验例3 85.5℃ 83.4℃ 38.8℃ 34.6℃
其中实验例1为不具有导热柱的电子装置；实验例2中的导热柱为底面4厘米×4厘米的空心结构，且其上具有多个孔洞；实验例3中的导热柱为底面4厘米×4厘米的实心结构。
由上述本发明实施例可知，本发明通过实体连接电子装置的上盖与下盖的导热柱，平衡上盖与下盖的温度，可以有效提升电子装置的散热效率。
虽然本发明已以实施例揭露如上，然而其并非用以限定本发明，任何所属技术领域的普通技术人员，在不脱离本发明的精神和范围内，可作些许修改与改变，故本发明的保护范围以权利要求书所界定为准。

Claims (3)

1.一种电子装置，其特征是，包括：
上盖；
下盖，与该上盖组合，其中该上盖与该下盖共同定义容置空间；
导热柱，设置于该容置空间中，并实体连接该上盖与该下盖；以及
风扇，设置于该容置空间中，用以将气流导引入该容置空间中，
其中该导热柱包含多个侧壁并且上述多个侧壁形成通道，
其中该上盖包括多个散热孔，该通道通向上述多个散热孔。
2.如权利要求1所述的电子装置，其特征是，其中该导热柱设置于该气流的流动路径中。
3.如权利要求2所述的电子装置，其特征是，其中该侧壁具有多个孔洞，用以使该气流通过上述多个孔洞。
CN201210491297.7A 2012-11-27 2012-11-27 电子装置 Active CN103841802B (zh)

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