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TWI570382B - The combination of cooling fins and base - Google Patents

The combination of cooling fins and base Download PDF

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Publication number
TWI570382B
TWI570382B TW101122173A TW101122173A TWI570382B TW I570382 B TWI570382 B TW I570382B TW 101122173 A TW101122173 A TW 101122173A TW 101122173 A TW101122173 A TW 101122173A TW I570382 B TWI570382 B TW I570382B
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Taiwan
Prior art keywords
heat dissipating
base
heat
fins
fin
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TW101122173A
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English (en)
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TW201341750A (zh
Inventor
黃崇賢
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黃崇賢
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Publication of TW201341750A publication Critical patent/TW201341750A/zh
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Publication of TWI570382B publication Critical patent/TWI570382B/zh

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Classifications

    • H10W40/226
    • 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
    • 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
    • F28D15/0233Heat-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 the conduits having a particular shape, e.g. non-circular cross-section, annular
    • 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/06Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element
    • H10W40/037
    • H10W40/73
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00Fastening; Joining
    • F28F2275/10Fastening; Joining by force joining

Landscapes

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

Description

散熱鰭片與底座的組合結構
本發明係提供一種散熱鰭片與底座的組合結構設計,其係在各散熱鰭片底端預設呈相互交錯的彎折部及翼鉤部,以配合澆注或擠壓方式而使散熱鰭片可快速穩固的結合於散熱底座溝槽。
習知散熱器,主要係包括底座與複數個散熱鰭片所組成,或亦可在底座嵌入結合一個以上的熱導管,針對底座與散熱鰭片的結合,除了傳統的焊接結合技術以外,亦有如美國第5014776號發明專利案,係將散熱鰭片預先插植於底座溝槽,再通過沖壓方式使各散熱鰭片被夾持結合於底座溝槽,以達到散熱鰭片與底座的結合目的。
上述先前專利技術,主要是於散熱鰭片底端預先形成一水滴形、錐形或圓形的較大凸部,而底座溝槽的開口是呈上大下小,因此散熱鰭片只能從底座溝槽的側面方向插入,再進行沖壓夾持,以完成結合,此項設計,由於無法採用垂直方向直接插入底座溝槽,因此於組裝施實時將會相當的複雜不便。
或如美國第6758262號發明專利案,雖係採用垂直方向將散熱鰭片直接插入底座溝槽,但只能利用底座溝槽兩側的擠壓變形而達到夾持目的,夾持作用力都集中在溝槽開口兩側的變形位置,僅具有兩個點狀的夾持力,因此,夾持效果不佳,無法發揮穩定結合的作用,各散熱鰭片很容 易發生參差不齊的不等高現象,且會發生搖動甚至脫落情形。此外,亦有人預先將散熱鰭片的底端形成一反折部,或是形成一L形彎折部,再插入底座溝槽,以供沖壓結合,但還是無法解決各散熱鰭片於結合後可能發生側傾偏斜的情形。
本發明之主要目的,乃在於提供一種散熱鰭片與底座的組合結構設計,其係至少包括一底座及複數個散熱鰭片,該散熱底座係開設可供複數個散熱鰭片對應插植的溝槽,其特別在各散熱鰭片底端沖壓形成相互交錯的複數個彎折部,使散熱鰭片的底端可匹配插入散熱底座的溝槽,利用相互交錯方向的彎折部,可於溝槽內形成穩定站立,故不會發生側傾偏斜,再通過澆注或擠壓方式,將散熱鰭片的底端埋設結合或緊迫夾持於溝槽內,利用底端相互交錯的彎折部可包裹埋置或夾持卡止於散熱底座溝槽,以達到穩固定位結合,確保散熱鰭片與底座的組合非常平整穩定,不會發生參差不齊的不等高現象,更不會發生搖動或脫落情形。
本發明之次要目的,乃在於提供一種散熱鰭片與底座的組合結構設計,其係可在交錯分佈的彎折部之間,再增設相互交錯方向的複數個翼鉤部,各翼鉤部係呈斜向倒鉤狀,因此於通過澆注或擠壓後,可在散熱底座溝槽內形成逆向鉤持的包裹埋置或夾持卡止,以確保其結合更為穩固。
茲依附圖實施例將本發明結構特徵及其他作用、目的詳細說明如下:如第一圖所示,本發明所為「散熱鰭片與底座的組合結構」設計,其係至少包括一底座1及複數個散熱鰭片2,該散熱底座1並開設可供複數個散熱鰭片2對應插植的溝槽11,而其改良在於:所述各散熱鰭片2係於底端沖壓形成相互交錯方向的複數個彎折部21(如第二至四圖所示),並利用交錯的彎折部21,可對應插入溝槽11而形成穩定站立(如第五圖),進而通過澆注或擠壓方式,將所述各散熱鰭片2的底端埋設結合(如第六圖)或緊迫夾持(如第七圖)於溝槽11內,以達到穩固的定位結合,確保散熱鰭片2與散熱底座1的組合非常平整穩定,使散熱鰭片2不會發生側傾偏斜或參差不等高的現象,更不會搖動或脫落。
如上述各散熱鰭片2的彎折部21,其係可沿散熱鰭片2的底端伸出而分別交錯設置於散熱鰭片2的兩側,上述散熱鰭片2的彎折部21,係可實施為如圖所示的L形的彎折部21(但並不以L形為限),並可具有一伸出段211,使各伸出段211的底面均位於同一平面上;由於散熱鰭片2底端兩側均同時具有相互交錯方向的複數個彎折部21,因此各散熱鰭片2插入底座1的溝槽11時,各散熱鰭片2即可利用兩側交錯的複數個彎折部21而穩定站立於溝槽11內。
如上述第一至七圖的實施例顯示,其係可在交錯分佈的彎折部21之間,再增設相互交錯方向的複數個翼鉤部22,而各翼鉤部22係呈斜向倒鉤狀,因此於通過澆注或擠壓後,可進一步在散熱底座溝槽11內形成逆向的包裹埋置或 夾持卡止,以確保其結合更為穩固。
上述的散熱鰭片2,其係在同一高度上開設複數個沖壓開口221,並使各翼鉤部22係沿著沖壓開口221的底端形成斜向往上伸出的翼鉤形狀,而於通過澆注或擠壓後,在散熱底座溝槽11內形成逆向的包裹埋置或夾持卡止。
依上述本發明所使用的澆注方式,其係適合使用液態鋁金屬,並配合相對的成型模具,將液態鋁金屬倒入成型模具中,使其可充填於散熱底座1的溝槽11,於固化後即可將散熱鰭片2底端的彎折部21及翼鉤部22均包埋結合(如第六圖)。
而本發明所使用的擠壓方式,其係使用沖壓設備的沖壓沖頭,對準散熱鰭片2的插植部位進行沖壓,使溝槽11兩側壁產生下壓變形,進而可緊迫夾持於散熱鰭片2底端的彎折部21及翼鉤部22(如第七圖)。
如第八圖至第十三圖所示,本發明所設的底座1,進一步亦可結合一個以上的熱導管3而形成緊配嵌合,用以組成一附有熱導管3的散熱器,其主要係在本發明底座1的另一端面開設一個以上可適配嵌入熱導管3的嵌槽,並於緊配嵌合後,使熱導管3外露於底座1底面,且具有平整露出的貼底面31。
上述實施例中,所述一個以上的熱導管3,其係可呈平行並列的形態而緊配嵌合於本發明的底座1(如第八圖),或所述一個以上的熱導管3,亦可呈S形或其他選定形狀的並列形態而緊配嵌合於本發明的底座1(如第十至十三圖);又,所述一個以上的熱導管3,其並列時亦可實 施為具有相離間隙(如第八圖、第十圖或第十二圖所示),或是不具有相離間隙的無縫接合構造(如第九圖、第十一圖或第十三圖所示),其中的第十一圖實施例,主要是指在與發熱元件(如CPU等)的貼觸部位,使一個以上的熱導管3形成無縫接合構造。
綜上所述,本發明所為散熱鰭片與底座的組合結構設計,其使用手段與習知散熱器已有明顯不同,且足以確保散熱鰭片與底座的結合更為穩固無虞,故具有新穎性及進步性,為此提出申請,敬祈 依法賜准專利,實感德便。
1‧‧‧底座
2‧‧‧散熱鰭片
11‧‧‧溝槽
21‧‧‧彎折部
211‧‧‧伸出段
22‧‧‧翼鉤部
221‧‧‧沖壓開口
3‧‧‧熱導管
31‧‧‧貼底面
第一圖為本發明於結合前狀態的立體示意圖。
第二圖為本發明散熱鰭片的立體圖。
第三圖為本發明散熱鰭片的局部放大圖。
第四圖為本發明散熱鰭片的反面局部放大圖。
第五圖為本發明於結合前狀態的局部組合斷面圖。
第六圖為本發明通過澆注方式而完成埋設結合的狀態示意圖。
第七圖為本發明通過擠壓方式而完成緊迫夾持的狀態示意圖。
第八圖為本發明於底座結合熱導管的第一實施例圖。
第九圖為本發明於底座結合熱導管的第二實施例圖。
第十圖為本發明於底座結合熱導管的第三實施例圖。
第十一圖為本發明於底座結合熱導管的第四實施例圖。
第十二圖為本發明於底座結合熱導管的第五實施例圖。
第十三圖為本發明於底座結合熱導管的第六實施例圖。
1‧‧‧底座
2‧‧‧散熱鰭片
11‧‧‧槽
21‧‧‧彎折部
22‧‧‧翼鉤部

Claims (10)

  1. 一種散熱鰭片與底座的組合結構,其係至少包括一底座及複數個散熱鰭片,該散熱底座並開設可供複數個散熱鰭片對應插植的溝槽,而其特徵在於:所述各散熱鰭片係於底端沖壓形成相互交錯方向的複數個彎折部,利用交錯分佈的彎折部對應插入溝槽形成穩定站立,而通過澆注或擠壓方式,將各散熱鰭片的底端埋設結合或緊迫夾持於溝槽內。
  2. 如申請專利範圍第1項所述散熱鰭片與底座的組合結構,各散熱鰭片的彎折部係沿散熱鰭片的底端伸出而分別交錯設置於散熱鰭片的兩側。
  3. 如申請專利範圍第2項所述散熱鰭片與底座的組合結構,該散熱鰭片的彎折部係實施為一呈L形的彎折部,並具有一伸出段。
  4. 如申請專利範圍第3項所述散熱鰭片與底座的組合結構,該伸出段的底面均位於同一平面上。
  5. 如申請專利範圍第1項所述散熱鰭片與底座的組合結構,該散熱鰭片係在交錯分佈的彎折部之間,設有相互交錯方向的複數個翼鉤部。
  6. 如申請專利範圍第5項所述散熱鰭片與底座的組合結構,各翼鉤部係呈斜向倒鉤狀。
  7. 如申請專利範圍第6項所述散熱鰭片與底座的組合結構,該散熱鰭片係在同一高度上開設複數個沖壓開口,使各翼鉤部係沿著沖壓開口的底端形成斜向往上伸出的翼鉤形狀。
  8. 如申請專利範圍第1項所述散熱鰭片與底座的組合結構,其係將液態鋁金屬充填於散熱底座的溝槽,而於固化後形成包埋結合。
  9. 如申請專利範圍第1項所述散熱鰭片與底座的組合結構,該底座溝槽的兩側壁係下壓變形而緊迫夾持於散熱鰭片底端。
  10. 如申請專利範圍第1項所述散熱鰭片與底座的組合結構,該底座係緊配結合一個以上的熱導管。
TW101122173A 2012-04-10 2012-06-21 The combination of cooling fins and base TWI570382B (zh)

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CN2012201480110U CN202562351U (zh) 2012-04-10 2012-04-10 散热鳍片与底座的组合结构

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TWI570382B true TWI570382B (zh) 2017-02-11

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TW101122173A TWI570382B (zh) 2012-04-10 2012-06-21 The combination of cooling fins and base

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US (1) US20130264043A1 (zh)
JP (1) JP3178702U (zh)
KR (1) KR200473615Y1 (zh)
CN (1) CN202562351U (zh)
DE (1) DE202012102788U1 (zh)
TW (2) TWM445162U (zh)

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CN102636069B (zh) * 2012-04-10 2013-12-18 东莞汉旭五金塑胶科技有限公司 散热鳍片与底座的组合结构
CN105627206A (zh) * 2015-12-30 2016-06-01 深圳市超频三科技股份有限公司 一种高棚灯及其灯具组件
CN106288310A (zh) * 2016-08-31 2017-01-04 安徽天祥空调科技有限公司 一种空调散热片及其生产工艺
TWM565467U (zh) * 2018-02-13 2018-08-11 昇業科技股份有限公司 手持通訊裝置及其薄型散熱結構
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