TW201100736A - Superthin heat pipe - Google Patents

Superthin heat pipe Download PDF

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Publication number
TW201100736A
TW201100736A TW098120305A TW98120305A TW201100736A TW 201100736 A TW201100736 A TW 201100736A TW 098120305 A TW098120305 A TW 098120305A TW 98120305 A TW98120305 A TW 98120305A TW 201100736 A TW201100736 A TW 201100736A
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TW
Taiwan
Prior art keywords
groove
portions
heat pipe
wall
powder
Prior art date
Application number
TW098120305A
Other languages
Chinese (zh)
Inventor
ke-qin Li
Original Assignee
Yeh Chiang Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yeh Chiang Technology Corp filed Critical Yeh Chiang Technology Corp
Priority to TW098120305A priority Critical patent/TW201100736A/en
Priority to US12/649,617 priority patent/US20100319882A1/en
Priority to JP2010002192A priority patent/JP2011002216A/en
Publication of TW201100736A publication Critical patent/TW201100736A/en

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Classifications

    • 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
    • F28D15/046—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 characterised by the material or the construction of the capillary structure
    • 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

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

Abstract

The present invention provides a superthin heat pipe, in which the shape of heat pipe is a flat metal pipe. Its structure of inner wall can be divided into four segments including two side grooves and two smooth side pipe walls axially extending along the inner wall of metal pipe. The groove parts with plural grooves have a powder sintering part passing tightly onto the groove part. A vapor channel space is formed between the powder sintering part and the smooth pipe wall. In this way, the advantages of thegrooves and the powder sintering part of smooth pipe wall can be combined to result in better heat-conduction effect.

Description

201100736 九、發明說明： 【發明所屬之技術領域】 本發明係關於—種超薄熱管，尤其是管壁内壁有兩側溝槽結構及兩 * 側光滑管壁之粉末燒結熱管。 【先前技術】 _熱管是具有高導熱能力的裝置。充填於熱管_液態介質在熱區 〇 ^化成統’蒸氣沿蒸氣通道朝冷端高速移動，接著，此蒸氣在冷 區段凝結成«介質，㈣介f在毛細作用下，彻毛細構造返回熱 區段。以此方式，可將熱從熱區段迅速傳至冷區段。 隨著電子產抑的小型化及高速化、高效化，散熱問題的需求迫切， 需要有一種熱效率更高的熱管來滿足產品的要求。 【發明内容】 本發明目的是克服現有技術中的不足，提供—種在金屬管體内壁上設 ^ 置溝槽結構的高熱導效率超薄熱管。 本發明是通過以下技術方案實現的： -種超薄鮮，包括騎的金辭體，其概在於所述的金屬管體的 内壁上設有多個沿金屬管體軸挺伸的溝獅成麟槽部，所述的溝槽部 内側緊貼設置有粉末燒結部，所述的粉末燒結部與光滑管壁之間形成蒸氣 通道空間。 如上所述的-種超薄熱管，其特徵在於所述的溝槽部為兩個，分別位 於金屬管體内壁的兩側，兩個溝槽部之間為光滑管壁。 5 201100736 如上所述的-種超薄鮮’其_在於所賴金辭體橫截面兩端近 似半圓形，所述的溝槽部設置在金屬管體的平直側壁上。 如上所述的-種超薄熱管’其特徵在於所述的兩個溝槽部内側的粉末 燒結部連為一體。 如上所述的-種超薄熱管，其特徵在於所述的兩個溝槽部内側的粉末 燒結部之間間隔開，兩個粉末燒結部相正對。 Ο 如上所述的-種超薄熱管，其特徵在於所述的兩個溝槽部内側的粉末 燒結部之間間隔開’兩個粉末燒結部相交錯 如上所述的-種超薄熱管’其特徵在於所述的溝槽部設置在金屬管體 截面的彎曲處。 如上所述的-種超薄熱管，其特徵在於所述的光滑管壁具有比溝槽部 薄的厚度，其厚度小於0. 3厘米。 與現有技術相比’本發明有如下優點： 〇 1、本發明在溝槽部内舰有粉末燒結部，其中燒結前的粉末為經筛檢 過的大於毛細溝寬度的金屬顆粒，毛細溝可儲存較多的水量，從而增大熱 傳量’並使得冷凝液體在溝槽_流動阻力較小，可輔助提高熱純賴 性能。 。2、本發明在金屬管體内壁光滑管壁邊，留有較大的蒸氣通道有利於 操作時的蒸氣從熱區流向冷凝區，使熱效率高。 6 201100736 【實施方式】 下面結合附圖對本發明進行詳細說明： 本發明的製作過程：首先取預留有溝槽部厚度的圓管拉溝槽或取 等厚管壁的圓管拉溝槽後再形成光滑管壁的内部材料，即如圖6所表示 的結果，再封住其中之一管口，然後佈燒結粉末即如圖7所顯示的結 果，燒結，灌注液體，抽真空，再封住另一管口，最後再壓扁。 如圖8及圖9所表示的是一管體經燒結過後的結果。 實施例1 :如圖卜圖2、圖6至圖8所示，一種超薄熱管，包括扁平 的金屬管體1，所述的金屬管體！的内壁上設有多個沿金屬管體i轴向延伸 的溝槽2形成的溝槽部3。所述的光滑管壁1〇1具有比溝槽部3薄的厚度。 所述的溝槽部3為兩個，分別位於金屬管體丨内壁的兩側，兩個溝槽部3 之間為光滑管壁1〇1。所述的金屬管體i為扁平金屬管，金屬管體賊面兩 端為半圓形，所述的溝槽部3設置在金屬管體i的平直側壁上。所述的溝 槽部3内側緊貼設置有粉末燒結部4，所述的粉末燒結部4與光滑管壁ι〇ι 之間形成蒸氣通道空間6。 圖8的箭頭是表示施加勤的方向，本發明的扁平金屬管體ι是由圓 烟，壓祕观細3巾央，所___卩3浦的粉末 燒結部4可被對正完全壓合連為—體 I如圖Z所顯不的，本實施例亦是 敢佳實施例。 實施例2 :如圖1、圖3、圖6至圖8所-1 _ ’如圖8的箭頭施加壓力所 不，在壓扁雜t ’如果正録溝槽部 兴所述的兩個溝槽部3内侧 的私末燒結部4未被完全壓合’ _粉末 禾魔結部4之間間隔開，兩個粉末 7 201100736 燒結部4相正對，即如圖3所顯示。 貫施例3:如圖1、圖4、圖6至圄丄广 厭一a ΰ至圖8所不，在細程中，由於施加 ㈣的方向偏移’如麵正壓在溝槽部3與光滑管壁谢連接處所述的 兩個溝槽部3 _粉末燒結部4就會被壓成_開，兩個粉末燒結部4 相交錯’即如圖4所顯示。201100736 IX. Description of the Invention: [Technical Field] The present invention relates to an ultra-thin heat pipe, in particular, a powder sintered heat pipe having a groove structure on both sides of the inner wall of the pipe wall and a smooth pipe wall on both sides. [Prior Art] The heat pipe is a device having high heat conductivity. Filling in the heat pipe _ liquid medium in the hot zone 化 ^ 成 ' 'vapor vapor moving along the vapor channel toward the cold end, then, this vapor condenses into a medium in the cold section, (d) f under the capillary action, the capillary structure returns to heat Section. In this way, heat can be quickly transferred from the hot section to the cold section. With the miniaturization, high-speed and high-efficiency of electronic production, the demand for heat dissipation is urgent, and there is a need for a heat-efficient heat pipe to meet the requirements of the product. SUMMARY OF THE INVENTION The object of the present invention is to overcome the deficiencies in the prior art and to provide a high thermal conductivity ultra-thin heat pipe having a groove structure on the inner wall of a metal pipe. The invention is realized by the following technical solutions: - an ultra-thin fresh, including a riding gold body, which is characterized in that the inner wall of the metal pipe body is provided with a plurality of grooved lions extending along the axis of the metal pipe body. In the groove portion, the inside of the groove portion is closely provided with a powder sintered portion, and a vapor passage space is formed between the powder sintered portion and the smooth tube wall. The ultra-thin heat pipe as described above is characterized in that the groove portions are two, respectively located on both sides of the inner wall of the metal pipe, and the two groove portions are smooth pipe walls. 5 201100736 The ultra-thin fresh as described above is that the two ends of the cross-section of the gold-like body are nearly semi-circular, and the groove portion is provided on the flat side wall of the metal pipe body. The ultrathin heat pipe as described above is characterized in that the powder sintered portions inside the two groove portions are integrally connected. An ultrathin heat pipe as described above, characterized in that the powder sintered portions inside the two groove portions are spaced apart, and the two powder sintered portions are opposed to each other. Ο an ultrathin heat pipe as described above, characterized in that the powder sintered portions inside the two groove portions are spaced apart from each other by 'the two powder sintered portions are interlaced as described above - an ultrathin heat pipe' It is characterized in that the groove portion is provided at a bend of a cross section of the metal pipe body. 5厘米。 The thickness of the thickness of the thinner tube is less than 0.3 cm. Compared with the prior art, the present invention has the following advantages: 〇 1. The present invention has a powder sintered portion in the groove portion, wherein the powder before sintering is a sieved metal particle larger than the width of the capillary groove, and the capillary groove can be stored. More water, which increases the heat transfer amount' and makes the condensed liquid less in the flow resistance of the groove, which can help improve the thermal purity performance. . 2. The invention has a large vapor passage on the inner side of the inner wall of the metal pipe, which is favorable for the steam flowing from the hot zone to the condensing zone during operation, so that the heat efficiency is high. 6 201100736 [Embodiment] The present invention will be described in detail below with reference to the accompanying drawings: The manufacturing process of the present invention: firstly, a circular tube pulling groove having a groove portion thickness or a circular tube having a thick tube wall is taken after pulling the groove Then the inner material of the smooth tube wall is formed, that is, as shown in Fig. 6, one of the nozzles is sealed, and then the sintered powder is as shown in Fig. 7, sintered, poured, vacuumed, and sealed. Live another tube and finally squash. As shown in Fig. 8 and Fig. 9, the result of sintering a tube body is shown. Embodiment 1: As shown in Fig. 2 and Fig. 6 to Fig. 8, an ultra-thin heat pipe includes a flat metal pipe body 1, the metal pipe body! The inner wall is provided with a plurality of groove portions 3 formed by grooves 2 extending in the axial direction of the metal pipe body i. The smooth tube wall 1〇1 has a thinner thickness than the groove portion 3. The two groove portions 3 are respectively located on two sides of the inner wall of the metal pipe body, and the smooth groove wall 1〇1 between the two groove portions 3. The metal pipe body i is a flat metal pipe, and the metal pipe body has a semicircular shape at both ends, and the groove portion 3 is disposed on the flat side wall of the metal pipe body i. The inside of the groove portion 3 is closely attached to the powder sintered portion 4, and the powder sintered portion 4 forms a vapor passage space 6 between the smooth tube wall and the smooth tube wall. The arrow of Fig. 8 indicates the direction in which the duty is applied. The flat metal pipe body ι of the present invention is made of a round cigarette, and the powder sintered portion 4 of the ___卩3 pu can be aligned and fully pressed. The connection is as shown in Figure Z. This embodiment is also a preferred embodiment. Embodiment 2: As shown in Fig. 1, Fig. 3, Fig. 6 to Fig. 8 - 1 '', as shown by the arrow in Fig. 8, the pressure is not applied, and the two grooves described in the grooved portion are squashed. The private sintered portion 4 on the inner side of the groove portion 3 is not completely pressed together - the powder and the magic knot portion 4 are spaced apart, and the two powders 7 201100736 the sintered portion 4 are opposed to each other, that is, as shown in FIG. Embodiment 3: As shown in FIG. 1, FIG. 4, FIG. 6 to 圄丄 a a a a 图 , , , , , , , , , , , , , , , , , , , , , , 在 在 施加 施加 施加 施加 施加 施加 施加 施加 施加 施加The two groove portions 3_the powder sintered portion 4 described at the joint with the smooth tube wall are pressed-opened, and the two powder sintered portions 4 are staggered', that is, as shown in Fig. 4.

實施例4 :如圖卜圖5、圖6、圖7、圖9所示，在壓扁過程中，如 壓模正壓在光滑管壁101中央，如圖9的箭頭施加壓力所示，所述的溝槽 郤3被彎折在金屬管體1截面的彎曲處，結果即如圖5所顯示。 本發明的金屬管體由銅、鋁、不銹鋼、鈦或鎳所製成。粉末燒結 部由燒結銅粉、鋁粉、鎳粉或奈米碳粉而形成。 【圖式簡單說明】 圖1是本發明立體圖 Ο 圖2是本發明實施例1橫截面圖； 圖3是本發明實施例2橫截面圖； 圖4是本發明實施例3橫截面圖； 圖5是本發明實施例4橫截面圖； 圖6是本發明金屬管體橫截面圖； 圖7是本發明布粉後橫截面圖； 圖8是本發明實施例丨'實施例2壓扁示意圖’ 圖9是本發明實施例4壓扁示意圖。Embodiment 4: As shown in FIG. 5, FIG. 6, FIG. 7, and FIG. 9, in the flattening process, if the positive pressure of the stamper is in the center of the smooth tube wall 101, as indicated by the arrow applied pressure in FIG. The groove 3 described is bent at the bend of the cross section of the metal pipe body 1, and the result is as shown in FIG. The metal pipe body of the present invention is made of copper, aluminum, stainless steel, titanium or nickel. The powder sintered portion is formed of sintered copper powder, aluminum powder, nickel powder or nano carbon powder. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view of a first embodiment of the present invention; Fig. 3 is a cross-sectional view of a second embodiment of the present invention; and Fig. 4 is a cross-sectional view of a third embodiment of the present invention; 5 is a cross-sectional view of a metal pipe body of the present invention; FIG. 7 is a cross-sectional view of the metal pipe body of the present invention; FIG. 7 is a cross-sectional view of the cloth powder of the present invention; Figure 9 is a schematic view showing the flattening of the embodiment 4 of the present invention.

S 201100736 【主要元件符號說明】 1金屬管體 2溝槽 - 3溝槽部 . 4 粉末燒結部 6蒸氣通道空間 101光滑管壁 ❹S 201100736 [Description of main component symbols] 1 Metal pipe body 2 Groove - 3 groove part . 4 Powder sintering part 6 Vapor channel space 101 Smooth pipe wall ❹

99

Claims (1)

201100736 十、申請專利範圍： 卜一種超賴管，包括扁平的金辭體，其特徵在於 的内壁上設衫歸物輪㈣軸彡撕終所:的评 •壁之間形成蒸 部内側緊贼置雜末魏部，所述的粉末觀部與賴管^曰 氣通道空間。 禅=申_觸1項物—_獅，恤條所述的溝 槽。咖固，分別位於金屬管體内壁的兩側，兩個溝槽部之間為光滑管壁。 3、如巾物i細2細的―_物，_在於所述的金 屬官體纖_端近辨_，所義溝槽輕置在麵管體醉直側壁 上。 4、如申睛專利範圍第3，述的一種超薄熱管其特徵在於所述的兩 個溝槽部内側的粉末燒結部連為一體。 5'如申請專利範圍第3項所述的一種超薄熱管，其特徵在於所述的兩 個溝槽部關的粉末燒結部之間_開，兩悔末燒結部相正對。 6、 如申請專利範圍第3項所述的一種超薄熱管，其特徵在於所述的兩 個溝槽部内側的粉末燒結部之間間隔開，兩個粉末燒結部相交錯 7、 如申請專利範圍第2項所述的一種超薄熱管，其特徵在於所述的溝 槽部設置在金屬管體截面的彎曲處。 8、 如申請專利範圍第i項所述的—種超薄熱管，其特徵在於所述的光 滑管壁具肴比溝槽部薄的厚度。201100736 X. Patent application scope: A super-reliant tube, including a flat gold body, which is characterized by a shirt on the inner wall. (4) Axle tearing end: The end of the Wei Department, the powder view and the lining of the gas channel. Zen = Shen _ touch 1 item - _ lion, the groove described in the shirt. The coffee solids are respectively located on both sides of the inner wall of the metal pipe, and the two groove portions are smooth pipe walls. 3, such as the towel i fine 2 thin _ _ matter, _ lies in the metal official body fiber _ end near _, the meaning of the groove is placed lightly on the side of the tube body drunk straight side. 4. An ultrathin heat pipe according to the third aspect of the invention, characterized in that the powder sintering portions inside the two groove portions are integrally connected. An ultra-thin heat pipe according to claim 3, characterized in that the powder-sintered portions of the two groove portions are closed, and the two sintered portions are opposite each other. 6. An ultra-thin heat pipe according to claim 3, characterized in that the powder sintered portions inside the two groove portions are spaced apart, and the two powder sintered portions are staggered. An ultrathin heat pipe according to the item 2, characterized in that the groove portion is provided at a bend of a cross section of the metal pipe body. 8. An ultra-thin heat pipe as described in claim i, characterized in that the light-sliding tube wall has a thinner thickness than the groove portion.
TW098120305A 2009-06-17 2009-06-17 Superthin heat pipe TW201100736A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
TW098120305A TW201100736A (en) 2009-06-17 2009-06-17 Superthin heat pipe
US12/649,617 US20100319882A1 (en) 2009-06-17 2009-12-30 Ultra-thin heat pipe and manufacturing method thereof
JP2010002192A JP2011002216A (en) 2009-06-17 2010-01-07 Extremely thin heat pipe and method of manufacturing the same

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JP2012247114A (en) * 2011-05-26 2012-12-13 Kiko Kagi Kofun Yugenkoshi Method of manufacturing heat pipe
US20120312507A1 (en) * 2011-06-07 2012-12-13 Hsiu-Wei Yang Thin heat pipe structure and manufacturing method thereof
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US20120325437A1 (en) * 2011-06-27 2012-12-27 Celsia Technologies Taiwan, I Flat heat pipe with capilllary structure
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US8811014B2 (en) 2011-12-29 2014-08-19 General Electric Company Heat exchange assembly and methods of assembling same
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