1335206 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種散熱器，特別關於一種展翼式散熱 器。 ”’、 【先前技術】 隨著電子產品朝向高性能、高頻率、高速度與輕薄化 的迅速發展，造成電子產品的發熱溫度越來越高，因而容 • *產生不穩定現象，景》響產品可靠度與使用壽命。因此散 熱已成為電子產品的重要課題之一，而散熱器乃是常見的 散熱元件，且如何改良散熱鰭片的設計以提高散熱效率， 乃為發展的重點項目。 一種習知的展翼式散熱器係由複數個散熱片連結而 成’各散熱片具有-連結部及一散熱續部，且散熱縛部自 連結部之一側延伸。在組裝時，將散熱片併排連結，再將 • 各散熱片的散熱鰭部展開，即形成展翼式散熱器，且散熱 片的散熱鰭部之間具有空間。當展翼式散熱器的連結部接 觸，一熱源時，熱量便由連結部傳送至散熱鰭部，再藉由 空氣傳導及對流而將熱量帶走予以散熱。 由於展翼式散熱器係同時藉由空氣傳導及對流來散 熱，因此若散熱縛部與空氣接觸的面積越多，則散熱效果 越佳。然而’習知的展翼式散熱器由於散熱籍部與空'氣接 觸的_受限於電子產品的内部空間，以致散熱效果無法 再提高，當其應用於高頻電子元件的散熱，已不敷使用。 1335206 因此，如何提供一種展翼式散熱器，跳脫習知設計窠 臼，在有限設置空間内增加散熱鰭部與空氣接觸的面積， 進一步提高散熱效能，實為重要課題之一。 【發明内容】 有鑑於上述課題，本發明之目的為提供一種能夠增加 散熱鰭部與空氣接觸的面積，進一步提高散熱效能之展翼 式散熱器。 緣是，為達上述目的，依本發明之一種展翼式散熱器 係由複數個散熱片連結而成。各散熱片包含一連結部、至 少一散熱鰭部以及複數個次散熱鰭部。連結部係相互連 結。散熱鰭部係自連結部向外延伸，且散熱鰭部彼此展 開。次散熱鰭部係自散熱鰭部的至少一側向外延伸。 承上所述，因依本發明之一種展翼式散熱器具有複數 個次散熱鰭部，其係自散熱鰭部向外延伸。與習知技術相 較，本發明在原有的散熱鰭部之外，更設置次散熱鰭部， 以致能夠增加散熱鰭部與空氣接觸的面積，進一步提高散 熱效能。 【實施方式】 以下將參照相關圖式，說明依本發明較佳實施例之一 種展翼式散熱器，其中相同的元件將以相同的參照符號加 以說明。 第一實施例：單面展開，同>!，次散熱鰭部交叉 133^206 睛參照圖1A及圖1B所示，本發明第一實施例之一種 展翼式散熱器2係由複數個散熱片21連結而成。各散熱 缺結部211、一散熱續部212及複數個次散熱 ‘-Pu。其中，散熱‘鰭部212係自連結部2ιι向外延伸， 二各if九21的散熱，W12係相互展開。次散熱鑛部 埶^ 鰭部212的至少―側向外延伸。於此，次散 —曰°M13係自散熱韓部212的相對側向外垂直設置，且 次散熱籍部213與相鄰的次細細 又、0又，虽然，次散熱鰭部213亦可以其他方十 <罢 於散熱鰭部212，例如自散埶缺 料 工δ又置 直設置或對稱設置。—4 212的相對側向外不垂 在本實施例中，各散熱片21係一 方式連結各散熱# 21的連_ 2η、_ 。《由螺鎖 2。其中，各散熱二連 邱备μ Μ 211係併排連結。另外， 政熱片21亦謂由藉續接方式連社。 各散_部212m==7f各連結部扣、 相鄰散熱片21的形狀或尺 ，心狀及尺寸，例如 散熱…散熱鰭部？的同’或是相鄰 同。本實施例之技術重點在於··讀相同或不相 延伸’以增加展翼式散熱器a:;;::熱鰭 進而提高散熱效能。 〃4的接觸面積， 在本實施例中，散熱片21展開的方式有複數種，例 可耩城開設備將散熱片21展開’或是如圖Μ及圖m 不’糟由在組料，次散熱鰭部213抵觸相鄰的散埶鈇 部叫，使得各散熱鰭部212彼此展開。㈣散—^ 片，次散熱鰭 請參照圖2所示，本發明第二實施例之一種展翼式散 =3 ’其係由複數個散熱片31連結而成。各散熱片η ^連、°^卩^311 ' 一散熱鰭部312及複數個次散熱鰭部 匕3另政熱縛部314及複數個次散熱讀部 315。散熱韓部312、314係分別自連結部3㈣不同側向 卜I伸另外-人政熱鰭部313、315分別於散熱鰭部M2、 314之相對侧不對稱、垂直設置。藉由散熱鰭部312、314 及次散熱鰭部313、315的雙向設置，而能夠進一步提高 散熱效能。 雙面大小不同），同片，二女 鰭部交叉 。明參照圖3所示，本發明第三實施例之一種展翼式散 ^ 4，其係由複數個散熱片41連結而成。各散熱片41 匕έ連、’、σ 4 411、一散熱鰭部412及複數個次散熱鰭部 413，且更包含另一散熱鰭部414及複數個次散熱鰭部 415。其中，散熱鰭部414係小於散熱鰭部412。另外，次 散熱鰭部413、415分別於散熱鰭部412、414之相對側垂 直、不對稱設置。藉由散熱鰭部412、414及次散熱鰭部 W3、415的雙向設置，而能夠進一步提高散熱效能。 同片，次散埶鰭部交叉 1335206 請參照圖4所示，本發明第四實施例之一種展翼式散 熱器5，其係由複數個散熱片51連結而成。各散熱片51 包含一連結部511、二散熱鰭部512、514及複數個次散熱 韓部513、515，且更包含—散熱部516。散熱鰭部512、 514及散熱部516係分別自連結部511的不同側向外延 伸，於此係自連結部511之左、右及上側向外延伸。另外， 次散熱鰭部513、515分別於散熱鰭部512、514之相對侧 垂直、不對稱設置。藉由散熱鰭部512、514、次散熱鰭部 • 513、515⑵及散熱部516的三向設f，而能夠進一步提高 散熱效能。 .蓋^實施例：雙次檄熱鰭部不夺又 凊參照圖5所示’本發明第五實施例之一種展翼式散 熱器6，其係由複數個散熱片61連結而成。各散熱片 包含一連結部6u、一散熱雜部612及複數個次散熱鰭部 613，且更包含另一散熱鰭部614及複數個次散熱鰭部 鲁615。散熱鰭部612、614係分別自連結部611的不同側向 外延伸。另外，次散熱鰭部613、615分別於散熱鰭部612、 614之相對側對稱、垂直設置。藉由在組裝時，次散熱鰭 部613、615抵觸相鄰的次散熱緒部613、615，使得各散 熱縮部611彼此展開。藉由散熱鰭部612、614及次散熱 缝部613、615的雙向設置，❿能夠進一步提高散熱效能。 红實雒1: ^同片，次散熱鰭部交叉，嵌 部外側隆起 ’、、日 請參照圖6所示，本發明第六實施例之一種展翼式散 1335206 熱器7，其係由複數個散熱片71連結而成。各散熱片71 包含一連結部711、一散熱鰭部712及複數個次散熱鰭部 713 ’且更包含另一散熱鰭部714及複數個次散熱鰭部 715。散熱鰭部712、714係分別自連結部311的不同側向 外延伸、並隆起’使得散熱鰭部712、714遠離連結部711 的外側之高度比靠近連結部711的内侧之高度更高。 綜上所述，因依本發明之一種展翼式散熱器具有複數 個次散熱鰭部，其係自散熱鰭部向外延伸。與習知技術相 較，本發明在原有的散熱鰭部之外，更設置次散熱鰭部， 以致能夠增加散熱鰭部與空氣接觸的面積，進一步提高散 熱效能。 n 以上所述僅為舉例性，而非為限制性者。任何未脫離 本發明之精神與範嘴’而對其進行之等效修改或變更，均 應包含於後附之申請專利範圍中。 φ 【圖式簡單說明】 實施例之展翼式散熱 圖1A及圖1B為依據本發明第一 器的示意圖；1335206 IX. Description of the Invention: TECHNICAL FIELD OF THE INVENTION The present invention relates to a heat sink, and more particularly to a spreader type heat sink. "', [previous technology] With the rapid development of electronic products toward high performance, high frequency, high speed and light and thin, the heating temperature of electronic products is getting higher and higher, so the volume of the product is unstable. Product reliability and service life. Therefore, heat dissipation has become one of the important topics of electronic products, and the heat sink is a common heat sink component, and how to improve the design of heat sink fins to improve heat dissipation efficiency is a key project for development. The conventional wing-type heat sink is formed by a plurality of heat sinks. Each heat sink has a connecting portion and a heat-dissipating portion, and the heat-dissipating portion extends from one side of the connecting portion. When assembling, the heat sink is assembled. Side by side, and then the heat sink fins of each heat sink are unfolded to form a wing-type heat sink, and there is space between the heat sink fins of the heat sink. When the joint of the spreader heat sink contacts, a heat source, The heat is transferred from the joint to the heat sink fin, and the heat is taken away by air conduction and convection to dissipate heat. Because the wing-type radiator is simultaneously conducted by air and The heat is dissipated, so if the area of the heat-dissipating part is in contact with the air, the heat dissipation effect is better. However, the conventional wing-type heat sink is limited by the electronic product due to the contact between the heat-dissipating portion and the air. The internal space, so that the heat dissipation effect can no longer be improved, when it is applied to the heat dissipation of high-frequency electronic components, it is not enough to use. 1335206 Therefore, how to provide a wing-type radiator, jump away from the conventional design, in a limited space In view of the above problems, it is an object of the present invention to provide an area capable of increasing the contact of a heat dissipating fin with air, and further improving the heat dissipation performance. A wing-type heat sink for improving the heat dissipation performance. In order to achieve the above object, a wing-type heat sink according to the present invention is formed by a plurality of heat sinks. Each heat sink includes a joint portion and at least one heat sink fin. And a plurality of heat-dissipating fins. The connecting portions are connected to each other. The heat-dissipating fins extend outward from the connecting portion, and the heat-dissipating fins are unfolded from each other. The secondary heat dissipating fin extends outward from at least one side of the heat dissipating fin. As described above, a spreader type heat sink according to the present invention has a plurality of secondary heat dissipating fins extending outward from the heat dissipating fin Compared with the conventional technology, the present invention further includes a secondary heat dissipation fin outside the original heat dissipation fin portion, so that the area of the heat dissipation fin portion in contact with the air can be increased, and the heat dissipation performance can be further improved. In the related drawings, a wing-type heat sink according to a preferred embodiment of the present invention will be described, in which the same elements will be described with the same reference symbols. First embodiment: single-sided deployment, same as >! Referring to FIG. 1A and FIG. 1B, a wing-type heat sink 2 according to a first embodiment of the present invention is formed by a plurality of heat sinks 21. Each heat-dissipating portion 211 and a heat dissipation portion are formed. The portion 212 and the plurality of heat dissipation '-Pu. The heat-dissipating portion 212 extends outward from the connecting portion 2 ι , and the heat dissipation of the two IFs 21 and the W 12 are mutually developed. The secondary heat sink portion 埶 ^ at least the side of the fin portion 212 extends outward. Here, the sub-distribution-曰°M13 is disposed vertically outward from the opposite side of the heat dissipation Korean portion 212, and the secondary heat dissipation portion 213 is adjacent to the second sub-detailed, 0 again, although the secondary heat dissipation fin portion 213 can also The other tenths are placed on the heat-dissipating fins 212, for example, the self-dispersing hoppers δ are set directly or symmetrically. The opposite sides of the — 4 212 are not sag outward. In the present embodiment, each of the fins 21 is connected to the _ 2 η, _ of each of the heat sinks 21 in one manner. "by screw lock 2. Among them, each of the heat-dissipating Qiuqiu Μ 211 series is connected side by side. In addition, the political hot film 21 also said that the company will be connected by means of continued access. Each of the scatter portions 212m==7f each of the connecting portion buckles, the shape or the ruler of the adjacent fins 21, the heart shape and the size, for example, heat dissipation... heat dissipation fins? Same as or adjacent. The technical focus of this embodiment is to read the same or non-phase extensions to increase the spreader type heat sink a:;;:: heat fins to further improve heat dissipation performance. In the present embodiment, the heat sink 21 is unfolded in a plurality of manners. For example, the heat sink 21 can be unfolded 'or as shown in FIG. The secondary heat dissipation fins 213 are in contact with the adjacent heat dissipation portions so that the heat dissipation fins 212 are unfolded from each other. (4) Dispersion-------------------------------------------------------------------------- Each heat sink η ^ , , ^ ^ ^ 311 ' a heat sink fin 312 and a plurality of secondary heat sink fins 另 3 additional heat seal portion 314 and a plurality of secondary heat sink read portions 315. The heat dissipating Korean portions 312 and 314 are respectively disposed asymmetrically and vertically from opposite sides of the heat dissipating fin portions M2 and 314 from the different sides of the connecting portion 3 (four). The heat dissipation performance can be further improved by the bidirectional arrangement of the heat dissipation fins 312 and 314 and the secondary heat dissipation fins 313 and 315. The size of the two sides is different), the same piece, the two females cross the fin. Referring to Fig. 3, a wing type diffuser 4 according to a third embodiment of the present invention is formed by joining a plurality of fins 41. Each of the heat sinks 41 is connected, σ, σ 4 411, a heat sink fin 412, and a plurality of heat sink fins 413, and further includes another heat sink fin 414 and a plurality of heat sink fins 415. The heat dissipation fin portion 414 is smaller than the heat dissipation fin portion 412. In addition, the secondary heat dissipation fins 413 and 415 are vertically and asymmetrically disposed on opposite sides of the heat dissipation fins 412 and 414, respectively. The heat dissipation performance can be further improved by the bidirectional arrangement of the heat dissipation fins 412, 414 and the secondary heat dissipation fins W3, 415. The same piece, the second divergent fin intersection 1335206. Referring to FIG. 4, a wing-type heat sink 5 according to a fourth embodiment of the present invention is formed by a plurality of fins 51. Each of the fins 51 includes a connecting portion 511, two heat dissipating fin portions 512 and 514, and a plurality of sub heat radiating portions 513 and 515, and further includes a heat dissipating portion 516. The heat radiating fins 512 and 514 and the heat radiating portion 516 are respectively extended from different sides of the connecting portion 511, and extend outward from the left, right, and upper sides of the connecting portion 511. In addition, the secondary heat dissipation fins 513 and 515 are vertically and asymmetrically disposed on opposite sides of the heat dissipation fins 512 and 514, respectively. The heat dissipation performance can be further improved by providing the heat dissipation fins 512 and 514, the secondary heat dissipation fins 513, 515 (2), and the heat dissipation portion 516 in three directions. 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 Each heat sink includes a connecting portion 6u, a heat dissipating portion 612 and a plurality of sub heat sink fins 613, and further includes another heat dissipating fin portion 614 and a plurality of sub heat dissipating fin portions 615. The heat dissipation fins 612 and 614 extend outward from different sides of the joint portion 611, respectively. In addition, the secondary heat dissipation fins 613 and 615 are symmetrically and vertically disposed on opposite sides of the heat dissipation fins 612 and 614, respectively. By the time of assembly, the secondary heat radiating fins 613, 615 are in contact with the adjacent secondary heat radiating portions 613, 615, so that the heat radiating portions 611 are unfolded from each other. By the bidirectional arrangement of the heat dissipation fins 612, 614 and the secondary heat dissipation portions 613, 615, the heat dissipation performance can be further improved. Red solid 雒1: ^ the same piece, the secondary heat-dissipating fins intersect, the outer side of the inlay ridges', as shown in FIG. 6, a sixth embodiment of the present invention, a spread-wing type 1335206 heater 7, which is A plurality of fins 71 are connected together. Each of the fins 71 includes a connecting portion 711, a heat dissipating fin portion 712, and a plurality of sub heat radiating fin portions 713', and further includes another heat dissipating fin portion 714 and a plurality of sub heat dissipating fin portions 715. The heat radiating fin portions 712 and 714 extend outward from different sides of the connecting portion 311 and are raised so that the heights of the heat radiating fin portions 712 and 714 away from the outer side of the connecting portion 711 are higher than the height of the inner side of the connecting portion 711. In summary, a spread-wing heat sink according to the present invention has a plurality of secondary heat-dissipating fins extending outward from the heat-dissipating fins. Compared with the prior art, the present invention further includes a secondary heat sink fin in addition to the original heat sink fin, so that the area of the heat sink fin in contact with the air can be increased, and the heat dissipation performance is further improved. n The above descriptions are for illustrative purposes only and are not limiting. Any equivalent modifications or alterations of the present invention are intended to be included within the scope of the appended claims. φ [Simplified description of the drawings] Spreading type heat dissipation of the embodiment Figs. 1A and 1B are schematic views of the first device according to the present invention;
圖2為依據本發明第二 圖3為依據本發明第三 實施例之顧式散熱 實施例之展翼式散熱 器的示意 器的示意 圖4為依據本發明第 圖；以及 四實施例之展翼 式散熱器的示意 1335206 圖5為依據本發明第五實施例之展翼式散熱器的示意 圖。 圖6為依據本發明第六實施例之展翼式散熱器的示意 圖。 【主要元件符號說明】 2〜6 :展翼式散熱器 2卜31、41、51、6卜71 :散熱片 • 、3H、4U、51 卜 611、711 :連結部 212 、 312 、 314 、 412 、 414 、 512 、 514 、 612 、 614 、 712 、 714 :散熱鰭部 213 、 313 、 315 、 413 、 415 、 513 、 515 、 613 、 615 、 713 、 715 :次散熱鰭部 516 :散熱部2 is a schematic view of a schematic diagram of a wing-type heat sink according to a third embodiment of the present invention, in accordance with a third embodiment of the present invention, in accordance with a fourth embodiment of the present invention; Schematic of a heat sink 1335206 FIG. 5 is a schematic view of a spreader type heat sink according to a fifth embodiment of the present invention. Figure 6 is a schematic view of a spreader type heat sink according to a sixth embodiment of the present invention. [Description of main component symbols] 2 to 6: Wing-type heat sink 2, 31, 41, 51, 6b 71: heat sink • 3H, 4U, 51 611, 711: joints 212, 312, 314, 412 , 414 , 512 , 514 , 612 , 614 , 712 , 714 : heat dissipation fins 213 , 313 , 315 , 413 , 415 , 513 , 515 , 613 , 615 , 713 , 715 : secondary heat dissipation fins 516 : heat dissipation portion
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