TW418358B - Compound heat sink and its manufacturing method - Google Patents
Compound heat sink and its manufacturing method Download PDFInfo
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- TW418358B TW418358B TW88101412A TW88101412A TW418358B TW 418358 B TW418358 B TW 418358B TW 88101412 A TW88101412 A TW 88101412A TW 88101412 A TW88101412 A TW 88101412A TW 418358 B TW418358 B TW 418358B
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
Description
ί 4 183 5 8 五、發明說明(l) 【發明領域】 本發明係關於一種複合式散熱器及其製造方法,尤指 一種散熱效果良好且整體結構穩固之複合式散熱器及其製 造方法。 【發明背景】 隨著資訊產業快速發展及其應用範圍的愈來愈廣,對 電腦内部電子元件處理速度的要求亦愈來愈高。伴隨著運 行速度的提高,相關電子元件產生的熱量亦大量增加,而 若不及時將此熱量排出’使用之穩定性及品質將大受影 習知用來協助電子元件排出熱量之散熱器構造,可參 考美國專利第5, 304, 846號。如第一圖所示,該散熱器1包 括一基座3及複數自基座3向上延伸之散熱鰭片5,其係以 基座3底面貼合於相關電子元件上’而將電子元件產生之 熱量及時排出。由於散熱器1係採用傳統擠製(Extruding) 方式而得,故在製造技術水平 '模具強度等之限制下,於 散熱鰭片密度或整體散熱表面積等攸關散熱效果之設計 量上,尚難符合實際使用需求。 再者,亦有如第二圖所示之複合式散熱器,該散埶器 10係由一基座11及複數插置於基座u上之散熱鰭片15所組 成。由於此類散熱器10之散熱鰭片15係改以沖壓方式、 得,故在散熱鑛片密度與整體散熱表面積上,具有較 設計空間。惟因此類散熱器10之散熱賴片15係以插置方 直接嵌卡於基座11之溝槽1 3内,故整體結構之穩固性明^ί 4 183 5 8 V. Description of the Invention (l) [Field of the Invention] The present invention relates to a composite radiator and a manufacturing method thereof, and more particularly to a composite radiator with good heat dissipation effect and stable overall structure and a manufacturing method thereof. [Background of the Invention] With the rapid development of the information industry and the increasing scope of its applications, the requirements for the processing speed of electronic components in computers have become higher and higher. With the increase of the operating speed, the heat generated by related electronic components has also increased a lot. If this heat is not discharged in time, the stability and quality of use will be greatly affected by the structure of the radiator that is used to assist the electronic components to discharge heat. See U.S. Patent No. 5,304,846. As shown in the first figure, the heat sink 1 includes a base 3 and a plurality of heat-dissipating fins 5 extending upward from the base 3. The electronic components are produced by bonding the bottom surface of the base 3 to relevant electronic components. The heat is discharged in time. Since the radiator 1 is obtained by traditional extrusion (Extruding), it is still difficult to design the heat dissipation effect, such as the density of the cooling fins or the overall cooling surface area, under the constraints of the manufacturing technology level, such as mold strength. Meet the actual use needs. Furthermore, there is also a composite radiator as shown in the second figure. The diffuser 10 is composed of a base 11 and a plurality of heat dissipation fins 15 inserted on the base u. Since the heat sink fins 15 of this type of heat sink 10 are obtained by stamping, they have more design space in terms of heat sink ore density and overall heat sink surface area. However, the heat-dissipating sheet 15 of the similar radiator 10 is directly inserted into the groove 13 of the base 11 in an inserted manner, so the stability of the overall structure is clear.
4183 ο v 4183 5 8 五、發明說明(2) 不足’且在散熱鰭片15與基座11溝槽13之接合處亦容易產 生空隙*而大大影響散熱器1 0之散熱效果。 又’第三圖所示為另一類型散熱器,該散熱器20係由 一基座21及複數黏著於基座21上之散熱鰭片組23所構成。 由於此類散熱器2 0係單以導熱膠黏著該散熱鰭片组2 3與基 座21,因此在整體結構之穩固性上明顯不足,且由於該導 熱勝係長期處於高溫環境下,因此極易老化而造成黏性下 降或者失去黏性。 因此*如何提供一種散熱效果良好且整體結構穩固之 散熱器,乃成當務之急。 【發明目的】 本發明之目的在於提供一種散熱效果良好之複合式散 熱器及其製造方法。 本發明之另一目的在於提供一種整體結構穩固之複合 式散熱器及其製造方法。 【發明特徵】 本發明複合式散熱器及其製造方法,其中,該複合式 散熱器包括一基座及兩個裝設於基座上之散熱鰭片組。該 基座係由擠製方式形成,其頂面向上延伸出一位於中央之 第一凸台’以及兩個分別位於兩側緣之第二凸台。該散熱 鰭片組係由金屬薄板經沖壓彎折成波浪狀,以形成複數個 共平面之底片、自底片兩側向上延伸之側片,以及位於相 鄰兩側片間而與底片相對交錯排列之頂片。 【圖式簡單說明】4183 ο v 4183 5 8 V. Description of the invention (2) Insufficient 'and the gap between the heat dissipation fin 15 and the groove 13 of the base 11 is easy to generate a gap *, which greatly affects the heat dissipation effect of the heat sink 10. The third figure shows another type of heat sink. The heat sink 20 is composed of a base 21 and a plurality of heat dissipation fin groups 23 adhered to the base 21. Since this type of heat sink 20 is simply bonded to the heat sink fin group 23 and the base 21 with thermally conductive adhesive, it is obviously insufficient in the stability of the overall structure, and because the thermally conductive element is in a high temperature environment for a long time, it is extremely Easily aging and cause viscosity loss or loss of viscosity. Therefore * how to provide a heat sink with good heat dissipation effect and solid overall structure is a top priority. [Objective of the Invention] The object of the present invention is to provide a composite heat sink with good heat dissipation effect and a manufacturing method thereof. Another object of the present invention is to provide a composite heat sink with a stable overall structure and a manufacturing method thereof. [Inventive Features] The composite radiator of the present invention and a manufacturing method thereof, wherein the composite radiator includes a base and two radiating fin groups mounted on the base. The base is formed by extrusion. The top surface of the base is extended with a first boss at the center and two second bosses at the edges of the two sides. The heat dissipation fin group is formed by pressing and bending a metal sheet into a wave shape to form a plurality of coplanar negative plates, side plates extending upwardly from both sides of the negative plate, and a staggered arrangement between the adjacent two negative plates and the negative plate. Top film. [Schematic description]
C:\My Docu【iients\FORM\AU20XP_CHANG.pt;d 第 5 頁 * 4丨8353C: \ My Docu 【iients \ FORM \ AU20XP_CHANG.pt; d Page 5 * 4 丨 8353
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五、發明說明(3) 第 — 圖 係 習 知散熱器 之 立 體 視圖 Ό 第 二 圖 係 另 一習知散 熱 器 之 立體 視 圖 0 第 —' 圖 係 又 一習知散 #、·ν、 器 之 立體 視 圖 〇 第 四 圖 係 本 發明複合 式 散 熱 器第 一 實 施例之立 體 分 解 視 圖 〇 第 五 圖 係 第 四圖之立 體 組 合 視圖 〇 第 六 圖 係 本 發明複合 式 散 熱 器另 一 實 施例之立 體 分 解 視 圖 〇 第 七 圖 係 第 .六圖之立 體 組 合 視圖 〇 [ 主 要 元 件 標 號 說明】 複 合 式 散 轨 器 30 > 30! 基 座 31 、31' 頂 面 33 第 一 & 台 34 、34’ 第 二 凸 台 35、35’ 壓 制部 37 、37’ 第 一 溝 槽 38 第 二溝 槽 39 散 熱 .鰭 片 組 41 、 41’ 底 片 42 、42, 側 片 43、43, 頂 片 45 突 出 部 46 [ 較 佳 實 施 例 說 明】 請 併 參 閱 第四及五 圖 5 其 係本發 明 複合式散 献 器 及 其 製 造 方 法 之 第 一實施例 ί 該 複 合式 散 熱 器30包括 一 基 座 31 及 兩 個 裝 設 於 基座31上 之 散 熱 .鰭片 組4 1 α 基 座31 係 由擠製方 式 形 成 ,其 頂 面3 3向上延 伸 出 位 於 中 央 之 第 一 凸台34 , 以 及 兩 個分 別 位 於兩側緣 之 第 凸台3 5。該第一凸台3 4於兩側分別形成一第一溝槽3 8而略 C:\My Docimients\FORM\A1120XP_CHANG. ptd 第 6 頁 41835 b 五·、發明說明(4) ' 呈” T"字形,而該第二凸台35則於内侧形成—第二溝样 39。 一 ' 《 該散熱鰭片組41係由金屬薄板經沖壓彎折成波浪狀, 以形成複數個共平面之底片42、自底片42兩侧向上延伸之 侧片43,以及位於相鄰兩側片43間而與底片42相對交錯排 列之頂45。該底片42於兩端進一步朝外分別延伸出一.突 出部46,該突出部46係突出於侧片43侧緣之外,以與基座 31之第一溝槽38及第二溝槽39結構相配合(詳後述)。 组裴時,藉由突出部46與基座31第一溝槽38及第二溝 槽3 9間之尺寸配合,將該兩個散熱鰭片組41滑入裝設於基 座31之頂面3 3上。之後,再利用適當治具沖擊基座31之第 一凸台34及第二凸台35上對應於散熱鰭片組41突出部46之 位置’此時該第一凸台34及第二凸台35上即形成向内朝下 凹陷之壓制部37,以穩固地抵壓住散熱鰭片組41之凸出部 46,而將散熱鰭片組41穩固裴設於基座31上。 再者’該散熱鰭片組41之底片42與基座31之頂面33 間’可加設適當之導熱介質’如導熱膏(thermal grease) 或導熱膠帶(thermal tape)等,以進一步提昇散熱效果。 績請參閱第六及七圖,係本發明複合式散熱器及其製 ia·方法之第二貫施例’其整體結構及製造方法類似於前述 第一實施例。該複合式散熱器3 01基座3 1,之第一凸台34, 及第二凸台3 5 ’皆為單純凸條狀,並未形成有溝槽結構, 且相應地’該散熱歸片組41 ’底片4 2,之兩端係與侧片4 3 ’ 之側緣齊平,並未突出於側片4 3,側綠之外。組裝時,利V. Description of the invention (3) The first picture is a perspective view of a conventional radiator. The second picture is a perspective view of another conventional radiator. Three-dimensional view. The fourth figure is an exploded perspective view of the first embodiment of the compound radiator of the present invention. The fifth figure is a three-dimensional combination view of the fourth figure. The sixth figure is the perspective of another embodiment of the compound radiator of the present invention. Exploded view. The seventh figure is the three-dimensional combination view of the sixth and sixth figures. [Description of the main component numbers] Composite derailer 30 > 30! Base 31, 31 'top surface 33 first & platform 34, 34' The second bosses 35, 35 'pressing portions 37, 37' the first grooves 38, the second grooves 39. The fins 41, 41 ', the bottom plates 42, 42, the side plates 43, 43, the top plates 45, and the protruding portions 46.[Description of the preferred embodiment] Please also refer to the fourth and fifth figures. FIG. 5 is a first embodiment of the composite diffuser and its manufacturing method of the present invention. The composite radiator 30 includes a base 31 and two mounting devices. The heat dissipation is provided on the base 31. The fin group 4 1 α The base 31 is formed by extrusion, and its top surface 3 3 extends upward from the first boss 34 in the center, and two are located on the edges of both sides. The first boss 3 5. The first boss 3 4 forms a first groove 3 8 on both sides and is slightly C: \ My Docimients \ FORM \ A1120XP_CHANG. Ptd page 6 41835 b 5. Description of the invention (4) 'present "T " Shape, and the second boss 35 is formed on the inner side-the second groove-like 39. A 'The radiating fin group 41 is formed by pressing a metal sheet and bending it into a wave shape to form a plurality of coplanar backsheets 42. 3, side panels 43 extending upward from both sides of the back sheet 42, and tops 45 which are located between the adjacent two side sheets 43 and are arranged in a staggered relationship with the back sheet 42. The back sheet 42 further extends outward at each end. A protruding portion 46 The protruding portion 46 protrudes beyond the side edge of the side piece 43 to match the structure of the first groove 38 and the second groove 39 of the base 31 (to be described in detail later). When the group 46 is formed, the protruding portion 46 is used. Matching the size between the first groove 38 and the second groove 39 of the base 31, slide the two heat sink fin groups 41 into the top surface 33 of the base 31. After that, use it appropriately The positions of the first protrusion 34 and the second protrusion 35 of the jig impacting the base 31 corresponding to the protrusions 46 of the heat dissipation fin group 41 'At this time, the first protrusion 34 and A pressing portion 37 recessed inwardly and downwardly is formed on the two bosses 35 to firmly press the protruding portion 46 of the heat dissipation fin group 41, and the heat dissipation fin group 41 is fixed on the base 31. Furthermore, 'the appropriate thermal conductive medium' such as thermal grease or thermal tape can be added between the bottom plate 42 of the heat dissipation fin group 41 and the top surface 33 of the base 31 to further improve heat dissipation. Please refer to the sixth and seventh figures for the performance, which is the second embodiment of the composite radiator and the manufacturing method of the present invention. Its overall structure and manufacturing method are similar to the foregoing first embodiment. The composite radiator 3 01 base 31, the first boss 34 and the second boss 3 5 ′ are simple convex strips without a groove structure, and correspondingly, the heat radiation sheet group 41 ′ film 4 2. The two ends are flush with the side edge of the side panel 4 3 ′ and do not protrude beyond the side panel 4 3, except for the side green.
C:\My Documents\FORM\iU120XP_CHANG.ptd 第 7 頁 4 183 5 b 五、發明說明(5) 用治具沖擊基座31,之第一凸台34,及第二凸台35,上對應 於散熱鰭片組41,底片42’兩端之位置,該第一凸台34,及 第一凸台35’上即形成向内朝下凹陷之壓制部37,,以穩固 地抵壓住散熱鰭片組41,之底月42,,而將散熱鰭片組41, 穩固裝設於基座3 Γ上。 綜上所述,本發明符合專利要件,爰依法提出專利申 請。惟’以上所述者僅為本發明之趟杜杏#』1 本案技術之人士,在援依本以貫施例,凡熟悉 變化,皆應涵蓋在以下之做之等效修飾或 〇C: \ My Documents \ FORM \ iU120XP_CHANG.ptd Page 7 4 183 5 b 5. Description of the invention (5) Impact the first projection 34 and the second projection 35 of the base 31 with a jig, corresponding to The positions of the two ends of the radiating fin group 41, the bottom plate 42 ', the first protrusion 34, and the first protrusion 35' form a pressing portion 37 that is recessed inwardly and downwardly to firmly press the fin The fin group 41 is at the end of the month 42 and the radiating fin group 41 is firmly installed on the base 3 Γ. In summary, the present invention complies with the patent requirements, and a patent application is filed in accordance with the law. But the above-mentioned ones are only the doudouxing of the present invention. # 1 The person with the technology in this case is following the examples to implement the examples. Anyone familiar with the changes should cover the following equivalent modifications or 〇
C:\My Documents\FORM\iUi20XP_CHANG.p1;d 第 8 1C: \ My Documents \ FORM \ iUi20XP_CHANG.p1; d number 8 1
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Application Number | Priority Date | Filing Date | Title |
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TW88101412A TW418358B (en) | 1999-01-29 | 1999-01-29 | Compound heat sink and its manufacturing method |
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TW88101412A TW418358B (en) | 1999-01-29 | 1999-01-29 | Compound heat sink and its manufacturing method |
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TW418358B true TW418358B (en) | 2001-01-11 |
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TW88101412A TW418358B (en) | 1999-01-29 | 1999-01-29 | Compound heat sink and its manufacturing method |
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- 1999-01-29 TW TW88101412A patent/TW418358B/en not_active IP Right Cessation
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