TW201309996A - 輕量化熱管之製造方法及其成品 - Google Patents

輕量化熱管之製造方法及其成品 Download PDF

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TW201309996A
TW201309996A TW100129316A TW100129316A TW201309996A TW 201309996 A TW201309996 A TW 201309996A TW 100129316 A TW100129316 A TW 100129316A TW 100129316 A TW100129316 A TW 100129316A TW 201309996 A TW201309996 A TW 201309996A
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Taiwan
Prior art keywords
pipe
heat pipe
pipe body
lightweight heat
wall
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TW100129316A
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English (en)
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Cheng-Tu Wang
Pang-Hung Liao
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Chaun Choung Technology Corp
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Priority to TW100129316A priority Critical patent/TW201309996A/zh
Priority to US13/277,090 priority patent/US20130043004A1/en
Publication of TW201309996A publication Critical patent/TW201309996A/zh
Priority to US14/252,694 priority patent/US9481056B2/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/26Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
    • 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
    • F28D15/0283Means for filling or sealing heat pipes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15Making tubes of special shape; Making tube fittings
    • B21C37/154Making multi-wall tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15Making tubes of special shape; Making tube fittings
    • B21C37/20Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • B21C37/202Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with guides parallel to the tube axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D26/00Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/033Deforming tubular bodies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00Making other particular articles
    • B21D53/02Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • 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
    • F28D15/04Heat-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
    • F28D15/046Heat-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 characterised by the material or the construction of the capillary structure
    • 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
    • Y10T29/49353Heat pipe device making

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

一種輕量化熱管之製造方法及其成品,其係先準備一中空第一管體與一中空第二管體,且第一管體與第二管體係為相異之材質所構成,再以軸向將第一管體置入第二管體內,而後使第二管體的內壁與第一管體的外壁相貼以結合一體,最後對第一管體內部進行抽真空並注入工作流體而封管,以完成所述熱管。

Description

輕量化熱管之製造方法及其成品
本發明係與一種熱管製造技術有關,尤指一種輕量化熱管之製造方法及其成品。
按,以往的熱管(Heat pipe)主要係以銅材作為其管體的材質部分,俾藉由銅具有良好的熱傳導效率與散熱等特性,使熱管更能發揮其熱傳導效能。
然而,由於銅材過重,故當熱管應用於如中央處理器(CPU)等等電子發熱元件上的散熱器等產品上,將造成散熱器整體的重量增加許多,尤其是於散熱器的鰭片上同時串接複數熱管的情況下,因散熱器整體的重量增加而導致主機板的負荷隨之增加,進而容易產生彎曲變形等問題。另一方面,熱管整體的重量較重時,也容易增加料件在各加工站、或成品交貨時於運送上負擔與風險等。
有鑑於此,本發明人係為改善並解決上述之缺失,乃特潛心研究並配合學理之運用,終於提出一種設計合理且有效改善上述缺失之本發明。
本發明之主要目的,在於可提供一種輕量化熱管之製造方法及其成品,其係透過二種比重不同的材質構成熱管的管體部分,藉以利用比重較小的材質來減輕熱管管體的重量,以達到輕量化之目的。
為了達成上述之目的,本發明係提供一種輕量化熱管之製造方法,其步驟如下:
a)準備一中空第一管體與一中空第二管體,且第一管體與第二管體係為相異之材質所構成;
b)以軸向將第一管體置入第二管體內;
c)使第二管體的內壁與第一管體的外壁相貼以結合一體;
d)對第一管體內部進行抽真空並注入工作流體而封管。
為了達成上述之目的,本發明係提供一種輕量化熱管,包括一第一管體、以及包覆於第一管體外的第二管體,且第二管體的內壁與第一管體的外壁相貼以結合一體;其中,第一管體與第二管體係為比重相異之材質所構成。
為了使貴審查委員能更進一步瞭解本發明之特徵及技術內容,請參閱以下有關本發明之詳細說明與附圖,然而所附圖式僅提供參考與說明用,並非用來對本發明加以限制者。
本發明係提供一種輕量化熱管之製造方法及其成品,其係透過二種比重不同的材質構成熱管的管體部分,藉以利用比重較小的材質來減輕熱管管體的重量,以達到輕量化之目的。
請參閱第一圖之步驟S1,並配合第二圖所示:首先,準備一中空第一管體1與一中空第二管體2,第一管體1的外徑係小於第二管體的內徑,且第一管體1與第二管體2係為二種比重不同的材質所構成;而在本發明所舉之實施例中,第一管體1係以銅材所構成、而第二管體2則以鋁材所構成,由於銅的比重為8.9,鋁的比重為2.1,故二者為比重不同的材質。此外,第一、二管體1可為抽拉等製程成型,且第一管體1於抽拉成型的過程中,可一併於其內壁上形成如溝槽狀的毛細組織10等。
再請參閱第一圖之步驟S2,並配合第三圖所示:接著,以上述第一、二管體1、2的軸向方向,將第一管體1置入第二管體2內,使第二管體2套置在第一管體1外,此時第一、二管體1、2間尚未緊密貼合(即如第四圖所示),意即第一管體1的外壁11尚未緊密與第二管體2的內壁20相貼合,故第一管體1與第二管體2亦未相結合一體。而在此步驟中,可更進一步準備一心棒3,該心棒3以實心者為佳、或是其表面具有較佳的強度,可作為用以支撐於第一管體1內部而防止第一管體1凹陷或變形等;所述心棒3係穿套於第一管體1內部。
再請參閱第一圖之步驟S3,並配合第五圖所示:俟後,透過加工手段使上述第二管體2的內壁20與第一管體1的外壁11相貼以結合一體;而在本發明所舉之實施例中,主要係提供高溫的環境下使第二管體2的材質產生軟化,再透過治具同時對第二管體2的二端處進行拉伸,如此即可使第二管體2的內壁20口徑縮小,進而與第一管體1的外壁11相貼合(即如第六圖所示)。當然,亦可對第二管體2進行縮管方式、或是對第一管體1進行擴管方式,以達到上述令第二管體2的內壁20與第一管體1的外壁11相貼合而結合一體之目的。
承上,如第七圖所示,在完成上述步驟S3後,為便於獲得較精確的熱管長度,可先對相互貼合的第一、二管體1、2進行裁切,以取得所需的熱管長度。
最後,請參閱第一圖之步驟S4,並配合第八圖所示:對上述第一管體1內部進行抽真空等製作熱管之製程,並亦可視實際需求而填充適量的工作流體12,以於除氣封管後完成所述熱管。此外,進行此步驟前,亦可視實際需求置入如網狀的毛細組織(圖略)、或更進一步置入其它如粉末燒結而成的毛細組織13(即如第九圖所示),粉末燒結的毛細組織13可為局部或全部燒結者;又或者可更進一步壓製成一超薄熱管(即如第十圖所示),意即第一、二管體1、2皆呈扁狀者,並可於第一管體1內設有沿第一管體1長度方向延伸之編織條14;由於毛細組織的設置與熱管內部真空化等製程係屬習知技術,故不再予以贅述。
是以,藉由上述之步驟流程與構造組成,即可得到本發明輕量化熱管之製造方法及其成品。
因此,藉由本發明輕量化熱管之製造方法及其成品,由於可將熱管管體以二種比重不同的材質構成,其要其中一者的比重較另一者低,即可達到輕量化之目的。尤其應用於熱管管體材質上較常見的銅及鋁,透過內銅外鋁的配置,不僅在熱傳導效果上可以維持銅材的效能,配合鋁材的比重較低而達到明顯地輕量化,即可有較降低熱管整體重量,且亦不影響熱傳效率及散熱效果等。
綜上所述,本發明確可達到預期之使用目的,而解決習知之缺失,又因極具新穎性及進步性,完全符合發明專利申請要件,爰依專利法提出申請,敬請詳查並賜准本案專利,以保障發明人之權利。
惟以上所述僅為本發明之較佳可行實施例,非因此即拘限本發明之專利範圍,故舉凡運用本發明說明書及圖式內容所為之等效技術、手段等變化,均同理皆包含於本發明之範圍內,合予陳明。
<本發明>
1...第一管體
10...毛細組織
11...外壁
12...工作流體
13...毛細組織
14...編織條
2...第二管體
20...內壁
3...心棒
S1~S4...步驟
第一圖係本發明之步驟流程圖。
第二圖係本發明步驟S1之動作示意圖。
第三圖係本發明步驟S2之動作示意圖。
第四圖係第三圖之4-4斷面剖視圖。
第五圖係本發明步驟S3之動作示意圖。
第六圖係第五圖之6-6斷面剖視圖。
第七圖係本發明第一、二管體進行裁切之示意圖。
第八圖係本發明步驟S4之動作示意圖。
第九圖係本發明另一實施例之斷面剖視圖。
第十圖係本創明又一實施例之斷面剖視圖。
S1~S4...步驟

Claims (16)

  1. 一種輕量化熱管之製造方法,其步驟包括:
    a)準備一中空第一管體與一中空第二管體,且該第一管體與該第二管體係為比重相異之材質所構成;
    b)以軸向將該第一管體置入該第二管體內;
    c)使該第二管體的內壁與該第一管體的外壁相貼以結合一體;
    d)對該第一管體內部進行抽真空並注入工作流體而封管。
  2. 如申請專利範圍第1項所述之輕量化熱管之製造方法,其中步驟a)之該第一管體係以銅材所構成,而該第二管體則以鋁材所構成。
  3. 如申請專利範圍第1項所述之輕量化熱管之製造方法,其中步驟a)之該第一管體內壁上係形成有溝槽狀的毛細組織。
  4. 如申請專利範圍第1項所述之輕量化熱管之製造方法,其中步驟b)係更進一步準備一心棒,以穿套於該第一管體內部。
  5. 如申請專利範圍第1項所述之輕量化熱管之製造方法,其中步驟c)係透過治具對該第二管體的二端處進行拉伸,以使該第二管體的內壁口徑縮小,進而與該第一管體的外壁相貼以結合一體。
  6. 如申請專利範圍第5項所述之輕量化熱管之製造方法,其中步驟c)係於高溫的環境下使該第二管體的材質產生軟化。
  7. 如申請專利範圍第1項所述之輕量化熱管之製造方法,其中步驟c)係對該第二管體進行縮管,進而與該第一管體的外壁相貼以結合一體。
  8. 如申請專利範圍第1項所述之輕量化熱管之製造方法,其中步驟c)係對該第一管體進行擴管,進而與該第二管體的內壁相貼以結合一體。
  9. 如申請專利範圍第1項所述之輕量化熱管之製造方法,其中步驟c)完成後,係進一步對相互貼合的該第一、二管體進行裁切。
  10. 一種輕量化熱管,包括:
    一第一管體;及
    一第二管體,包覆於該第一管體外,且該第二管體的內壁與該第一管體的外壁相貼以結合一體;
    其中,該第一管體與該第二管體係為比重相異之材質所構成。
  11. 如申請專利範圍第10項所述之輕量化熱管,其中該第一管體係以銅材所構成,而該第二管體則以鋁材所構成。
  12. 如申請專利範圍第10或11項所述之輕量化熱管,其中該第一管體內壁上係形成有毛細組織。
  13. 如申請專利範圍第12項所述之輕量化熱管,其中該毛細組織係為網狀或溝槽狀者。
  14. 如申請專利範圍第13項所述之輕量化熱管,其中該毛細組織上更設有粉末燒結而成的毛細組織。
  15. 如申請專利範圍第10或11項所述之輕量化熱管,其中該第一、二管體皆呈扁狀者。
  16. 如申請專利範圍第15項所述之輕量化熱管,其中該第一管體內係設有沿其長度方向延伸之編織條。
TW100129316A 2011-08-17 2011-08-17 輕量化熱管之製造方法及其成品 TW201309996A (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
TW100129316A TW201309996A (zh) 2011-08-17 2011-08-17 輕量化熱管之製造方法及其成品
US13/277,090 US20130043004A1 (en) 2011-08-17 2011-10-19 Lightweight heat pipe and method of making the same
US14/252,694 US9481056B2 (en) 2011-08-17 2014-04-14 Method of making lightweight heat pipe

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