200900629 九、發明說明： .【發明所屬之技術領域】 料ίΓ月涉及—種發光：極體燈具，尤其係指—種具有 政，、、、、、，α構之發光二極體燈具。 【先前技術】 發光二極體光源作為一種新興之第三代光源，雖缺 在延：能大規模取代傳統之白熾燈，.准，其具有工作4 i H環保等優點’而普遍被市場所看好。而且，目Ρ :由，光二極體組成之模組能產生大功率、高亮度之光 二、：二可以取代現有白熾燈實現室内外照明，亦將廣泛 〜⑽代傳統之白熾燈等現有之光源，進而成為 符合節能魏”以要光源。 進而成為 熱旦2 ’功率、亮度越大之發光二極體或其模級產生之 發：去。故且：體積相對較小之發光二極體燈具内難於散 曰义 /發光一極體尚存在較大散熱技術瓶頸，這亦係 鍵：ΐ功率二鬲壳度發光二極體燈具市場化最難突破之關 敎/目别業界通用之散熱方案係在該燈具内設置一散 :二通過該散熱器表面與自然對流空氣接 夏散發到周圍空氣中。所以 、打… 二極體燈散熱需求以使1能：：!足：功率、高亮度之發光 供散熱面積很大之散孰；一：工：防止光衰，就必須提 中所占體積大，整體燈呈、7通：會導致散熱器在燈具 ^ ^ /、積亦大，使得這種燈具結構體積 車乂大而難以在室内照明中推廣應用。 200900629 【發明内容】 本發明旨在提供一種用在發光二極體燈具内具有較小 虹積且具有較佳散熱性能之散熱裝置。 一種具有散熱結構之發光二極體燈具，其包括—燈 座、與該燈座連接之一散熱器和與該散熱器導熱連接之複 數發光一極體模組’該等發光二極體模組貼置在該散熱器 周緣，戎散熱器包括一中空筒體，該燈座上設置有複數通 氣孔3亥等通氣孔與該筒體形成一氣流通路。 上述發光二極體燈具之散熱器内與蓋體形成一内循環 之氣机通路能有效地加強氣流流通及加大散熱器與氣流接 觸之面積，從而可在有限之體積内實現燈具之良好散熱， 進而解決高功率發光二極體燈具之散熱問題。 【實施方式】 勹如圖1 ~2所示，本發明具有散熱結構之發光二極體燈具 \ 垃座1〇、與該燈座10連接之散熱器20及均勻貼設在 忒政熱器20表面上之複數發光二極體模組3〇。 —上述垃座1 〇包括一燈帽12、連接於該燈帽12上之一第 —蓋體14和與該第-蓋體14對扣之-第二蓋體16。該燈帽 =為一標準螺紋燈帽’適配于普通螺合式燈頭。該第一蓋 4為纟塑膠材料製成之碗狀體，其包括底端與燈帽η 、接之一官形連接部14〇和與該連接 一 壁142。該第-碗壁败口徑由下向上逐漸增大，：形I 向上開口之碗狀蓋體，該第-碗壁142在開口處之内壁周 7 200900629 ^勻，設三安裝孔剛，用於供螺杆件（圖未示）穿過 二盍體_合。該第二蓋體16為一由塑膠或金屬材料 1衣6〇=置碗狀體’其包括—環形結合部16Q和與該結合部 60連接之—第二碗壁162。該結合部⑽之直徑略小㈣連 #，其内設置有内螺紋⑽。，以與散熱器2。底 4螺5連接，該結合處16〇之管壁上均勻開嗖 4力 1 602。該第二碗壁162與該結合部160連接之上半部口 ;逐漸增大，該第二碗壁162之上半部分均勻開設 /、X ——極體杈組3〇對應之複數穿孔164， ^向增™以供連接發光二極體模： 徑:、、:（圖未不）牙過；該第二碗壁162下半部分為口 一二之％狀體’其開口大小與第一蓋體14之開口相商 配，該環狀體均句開設有複數通氣孔166以 ^ ::;4、1!形成之空間内，且該第™= 盥第—罢體Γ4均叹置有二螺孔（圖未示），這些螺孔分別 '螺^件:安裝孔1420對應以與穿過該安裝孔1伽之 累杆件配合將該第一、二蓋體14、16結合在—起。— 16結合在-起形成之空間可容置該發：二極體 且八之電子整流器（圖未示）。 鋁、所/’上述散熱器20由導熱性能良好之材料如 體22,材料一體形成。該散熱器2〇具有—長管狀筒 形内心二_ 22内壁沿該筒體22之徑向向内延伸有複數條 二4’这些内鰭片24關於該筒體22中心軸線均勻對 刀布，這些内鰭片24之厚度自筒體内壁開始向内逐漸 8 200900629 ，遞減故其檢戴面大致呈銳角三角形但頂角尖端被頓化形 狀。亥筒體22外壁沿其徑向向外延伸有複數導熱臂π，這 •些導熱臂26關於該筒體22中心轴線均勾對稱地分佈，這些 $熱臂26之數量對應發光二極體模組3〇之數量，故在不同 :%例中可為不同之數量，而在本實施例中為對應六發光 =極體杈組30之六導熱臂26。這些導熱臂％之延長線將相 又於忒同體22之中心軸線，該導熱臂26向兩側垂直延伸有 f複數對外鰭片260，每一對外鰭片260均關於對應之導熱臂 26對稱，且這些外鰭片26〇之長度由裏向外逐漸遞增。每一 導熱臂26之末端均與最外端之外鰭片26〇内側表面連接，所 以每一導熱臂26最外側之一對外鰭片26〇之外側表面均為 平滑平面。該筒體22底端向下延設一螺合筒28，該螺合 筒2 8 β又置有與第一盍體1 β結合部16 〇之内螺紋1⑼〇相適配 之外螺紋（未標號），該螺合筒28之筒體上均勻開設有與 結$部160之透孔16〇2對應之三螺孔28〇。在該散熱器2〇螺 ' σ筒28與第二盍體16之結合部160螺合完成時，這些結合部 160之透孔1602與這些螺孔280對應並供螺釘（圖未示）穿 過而與14些螺孔280螺合，從而進一步鎖固散熱器2〇與該第 —盍體16。在其他實施例中，可以不設置該散熱器2〇螺合 筒28之外螺紋及結合部160之内螺紋，該散熱器2〇與該第二 蓋體16之連接可以係通過螺釘穿過該結合部16〇之透孔 1602與螺合筒28之螺孔280螺合來實現。 «月一併參閱圖2，該發光二極體模組3 〇包括一矩形電路 板3 2，5玄電路板3 2之形狀大小略小於散熱器2 〇最外側之外 9 200900629 鰭片260，其上並排安裝有複數個發光二極體元件34。 上述發光二極體燈具在組裝時，螺杆件穿過第一蓋體 • 14之安裝孔1420與第二蓋體16之螺孔螺合，而將第一、二 蓋體14、16結合在一起。該散熱器20底端之螺合筒28與第 二蓋體16上結合部160螺合連接。這些發光二極體模組30分 別貼置在該散熱器20最外侧之外鰭片260之外侧面上，且發 光二極體模組30與對應外鰭片260之間可填充如導熱膠之 類之導熱介質，以增加它們間之導熱能力。 上述發光二極體燈具在使用時，該發光二極體模組30 將熱量傳導到與其接觸之散熱器20之外鰭片260上，再通過 導熱臂26將熱量均勻分佈到散熱器20導熱筒體22及其内之 内鰭片24上。該筒體22外壁、該導熱臂26和該外鰭片260直 接與周圍之空氣接觸將熱量散發到周圍之空氣中去。該筒 體22内與該第一、二蓋體14、16形成之空間連通並形成一 氣流通路，亦就係空氣從該第二蓋體16之通氣孔166進入， i再經筒體22内壁受熱，最後從筒體22頂端出口流出，或者 在該發光二極體燈具與圖1所示之相反位置放置時，空氣從 筒體22底端進入，再經筒體22内壁熱交換受熱，最後從該 第二蓋體16之通氣孔166出口流出。 由上可見，該發光二極體燈具散熱器20之發散型結構 有效地增大其散熱面積，同時該散熱器20内與蓋體14、16 形成一内迴圈之氣流通路能有效地加強氣流流通及加大散 熱器20與氣流接觸之面積，從而很好地解決該高功率發光 二極體模組30之散熱問題。 10 200900629 綜上所述，本發明符合發明專利要件，爰依法提出專 '利申請。惟，以上所述者僅為本發明之較佳實施例，舉凡 •熟悉本案技藝之人士，在爰依本發明精神所作之等效修飾 或變化，皆應涵蓋於以下之申請專利範圍内。 【圖式簡單說明】 圖1係本發明具有散熱結構之發光二極體燈具之一優 選實施例之立體組合圖。 圖2係圖1中具有散熱結構之發光二極體燈具之立體 分解圖。 圖3係圖1中散熱器之立體圖。 【主要元件符號說明】 燈座 10 燈帽 12 第一蓋體 14 連接部 140 第一碗壁 142 安裝孔 1420 第二蓋體 16 結合部 160 内螺纹 1600 透孔 1602 第二碗壁 162 穿孔 164 通氣孔 166 散熱器 20 筒體 22 内鰭片 24 導熱臂 26 外鰭片 260 螺合筒 28 螺孔 280 發光二極體模組 30 電路板 32 發光二極體元件 34 11200900629 IX. Invention description: . [Technical field to which the invention belongs] Material Γ 涉及 涉及 — 种 种 : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : [Prior Art] As a new generation of light source, the light-emitting diode light source is lacking in extension: it can replace the traditional incandescent lamp on a large scale, and it has the advantages of working 4 i H environmental protection and is widely used by the market. I am optimistic. Moreover, the goal is that the module composed of the photodiode can generate high-power, high-brightness light. Secondly, it can replace the existing incandescent lamp to achieve indoor and outdoor illumination. It will also be widely used for existing light sources such as the traditional (10) generation of incandescent lamps. In turn, it becomes a light source that conforms to the energy-saving Wei. In turn, it becomes a heat-emitting diode. The light-emitting diode with a higher power and brightness is produced by the light-emitting diode or its mold stage. Therefore, the light-emitting diode lamp with a relatively small volume is relatively small. It is difficult to disperse the ambiguous / illuminating one body still has a large heat dissipation technology bottleneck, which is also the key: ΐ power 鬲 鬲 度 度 度 发光 灯具 灯具 灯具 灯具 灯具 市场 市场 市场 敎 敎 敎 敎 敎 敎 敎 敎 敎 敎 敎 敎 敎 敎 敎It is arranged in the luminaire: two through the surface of the radiator and the natural convection air is distributed into the surrounding air in summer. Therefore, the two-pole lamp needs heat dissipation to enable 1 energy::! Foot: power, high brightness The light for the heat dissipation area is very large; one: work: to prevent light decay, it must be mentioned in the volume of the large, the overall light, 7 pass: will cause the radiator in the fixture ^ ^ /, the product is also large, making Such luminaire structure volume It is difficult to promote the application in indoor lighting. 200900629 [Invention] The present invention aims to provide a heat dissipating device having a small rainbow product and having better heat dissipation performance in a light-emitting diode lamp. The light-emitting diode lamp includes a lamp holder, a heat sink connected to the lamp holder, and a plurality of light-emitting diode modules thermally connected to the heat sink. The light-emitting diode modules are disposed on the light-emitting diode module. The heat sink peripheral edge comprises a hollow cylinder body, wherein the lamp socket is provided with a plurality of vent holes, such as a vent hole, and an air flow passage is formed with the cylinder body. The heat sink and the cover body of the light emitting diode lamp are formed. An inner circulation air passage can effectively enhance the air flow and increase the contact area between the radiator and the air flow, thereby achieving good heat dissipation of the lamp in a limited volume, thereby solving the heat dissipation problem of the high power light emitting diode lamp. [Embodiment] As shown in FIG. 1 to FIG. 2, the present invention has a heat-dissipating structure of a light-emitting diode lamp, a holder, a heat sink 20 connected to the lamp holder 10, and a uniform sticker. a plurality of light-emitting diode modules 3 on the surface of the heat exchanger 20. The above-mentioned holder 1 includes a cap 12, a first cover 14 connected to the cap 12, and the first cover The body 14 is buckled-second cover 16. The lamp cap = is a standard threaded lamp cap adapted to a common screw-type base. The first cover 4 is a bowl made of plastic material, including a bottom The end and the lamp cap η are connected to the official connecting portion 14A and the connecting wall 142. The first bowl wall is gradually increased from the bottom to the top, and the shape is upwardly opened to the bowl-shaped cover. - the bowl wall 142 is at the inner wall of the opening 7 200900629 ^, and three mounting holes are provided for the screw member (not shown) to pass through the second body. The second cover 16 is made of plastic or The metal material 1 is a bowl-shaped body which includes an annular joint portion 16Q and a second bowl wall 162 connected to the joint portion 60. The joint portion (10) has a slightly smaller diameter (four) and is internally provided with an internal thread (10). To with the radiator 2. The bottom 4 screw 5 is connected, and the joint wall 16 均匀 is evenly opened on the wall of the tube 4 force 1 602. The second bowl wall 162 is connected to the upper portion of the joint portion 160; gradually, the upper portion of the second bowl wall 162 is evenly opened, and the X-pole body group 3〇 corresponds to the plurality of perforations 164. ^向增TM for connecting the light-emitting diode mold: diameter:,,: (picture is not) teeth over; the second half of the second bowl wall 162 is the mouth of the mouth one or two of the 'shaped body' and its opening size The opening of a cover body 14 is arbitrarily arranged, and the annular body is provided with a plurality of vent holes 166 in a space formed by ^:;4,1!, and the TM= 盥 罢 罢 罢 均 均 均 均 均There are two screw holes (not shown), which are respectively screwed: the mounting hole 1420 corresponds to the first and second covers 14, 16 in cooperation with the rods passing through the mounting hole 1 Starting from. — 16 combined with the space formed to accommodate the hair: diode and eight electronic rectifier (not shown). The aluminum or the above-mentioned heat sink 20 is integrally formed of a material having a good thermal conductivity such as the body 22. The heat sink 2 has a long tubular tubular inner core 2 22 inner wall extending inwardly along the radial direction of the cylinder 22 with a plurality of strips 4 ′ which are evenly aligned with respect to the central axis of the cylinder 22 , The thickness of these inner fins 24 gradually increases from the inner wall of the cylinder to 8 200900629, and the detection surface is substantially acute triangle, but the tip end angle is shaped. The outer wall of the tubular body 22 extends radially outwardly from the plurality of heat conducting arms π, and the heat conducting arms 26 are symmetrically distributed about the central axis of the cylinder 22, and the number of these hot arms 26 corresponds to the light emitting diodes. The number of modules 3〇 is different in the %:% example, and in this embodiment is the six heat conducting arms 26 corresponding to the six-emission=pole body group 30. The extension of the heat conducting arm % will be phased on the central axis of the common body 22, and the heat conducting arm 26 extends perpendicularly to both sides with a plurality of external fins 260, each of which is symmetrical about the corresponding heat conducting arm 26 And the length of these outer fins 26〇 gradually increases from the inside to the outside. The ends of each of the heat conducting arms 26 are connected to the inner surface of the outermost fins 26, so that the outermost side of each of the heat conducting arms 26 has a smooth surface on the outer side surface of the outer fins 26 . A screwing cylinder 28 is disposed downwardly from the bottom end of the tubular body 22, and the screwing cylinder 28 is further provided with a thread corresponding to the internal thread 1 (9) of the first body 1 β joint portion 16 ( (not The three-threaded hole 28〇 corresponding to the through hole 16〇2 of the knot portion 160 is uniformly formed on the barrel of the screw barrel 28. When the joint portion 160 of the heat sink 2 and the second body 16 is screwed, the through holes 1602 of the joint portions 160 correspond to the screw holes 280 and are passed through screws (not shown). The screw holes 280 are screwed together to further lock the heat sink 2 and the first body 16 . In other embodiments, the external thread of the heat sink 2 〇 screwing barrel 28 and the internal thread of the joint portion 160 may not be provided, and the connection between the heat sink 2 〇 and the second cover 16 may pass through the screw. The through hole 1602 of the joint portion 16 is screwed into the screw hole 280 of the screwing cylinder 28 to achieve screwing. Referring to FIG. 2, the LED module 3 includes a rectangular circuit board 3 2, and the shape of the 5th circuit board 3 2 is slightly smaller than the outermost surface of the heat sink 2 9 9 200900629 fin 260, A plurality of light emitting diode elements 34 are mounted side by side. In the assembly of the above-mentioned light-emitting diode lamp, the screw member is screwed through the screw hole of the second cover body 16 through the mounting hole 1420 of the first cover body 14, and the first and second covers 14, 16 are combined. . The screwing cylinder 28 at the bottom end of the heat sink 20 is screwed to the joint portion 160 of the second cover 16. The light emitting diode modules 30 are respectively disposed on the outer side of the outermost fin 260 of the heat sink 20, and the light emitting diode module 30 and the corresponding outer fin 260 can be filled with a thermal adhesive. Thermal media of the class to increase the thermal conductivity between them. When the LED device is in use, the LED module 30 conducts heat to the fins 260 outside the heat sink 20 that is in contact with it, and then distributes the heat evenly to the heat sink 20 through the heat conducting arm 26. The body 22 and the inner fins 24 therein. The outer wall of the barrel 22, the heat conducting arm 26 and the outer fin 260 are in direct contact with the surrounding air to dissipate heat to the surrounding air. The inside of the cylinder 22 communicates with the space formed by the first and second covers 14, 16 to form an air flow passage, and air is also introduced from the vent hole 166 of the second cover 16, and then passes through the inner wall of the cylinder 22. After being heated, finally flowing out from the top end outlet of the cylinder 22, or when the light-emitting diode lamp is placed opposite to that shown in Fig. 1, air enters from the bottom end of the cylinder 22, and then heat exchanges through the inner wall of the cylinder 22, and finally The outlet of the vent hole 166 of the second cover 16 flows out. It can be seen that the divergent structure of the light-emitting diode lamp radiator 20 effectively increases the heat-dissipating area, and the airflow path formed in the heat sink 20 and the cover bodies 14 and 16 can effectively enhance the airflow. The heat dissipation problem of the high-power light-emitting diode module 30 is well solved by circulating and increasing the area of the heat sink 20 in contact with the airflow. 10 200900629 In summary, the present invention complies with the requirements of the invention patent, and proposes a special application for profit. However, the above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be covered by the following claims. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective assembled view of a preferred embodiment of a light-emitting diode lamp having a heat dissipation structure of the present invention. 2 is a perspective exploded view of the light-emitting diode lamp having the heat dissipation structure of FIG. 1. Figure 3 is a perspective view of the heat sink of Figure 1. [Main component symbol description] Lamp holder 10 Lamp cap 12 First cover body 14 Connection portion 140 First bowl wall 142 Mounting hole 1420 Second cover body 16 Joint portion 160 Internal thread 1600 Through hole 1602 Second bowl wall 162 Perforation 164 pass Air vent 166 heat sink 20 cylinder 22 inner fin 24 heat conducting arm 26 outer fin 260 screwing cylinder 28 screw hole 280 light emitting diode module 30 circuit board 32 light emitting diode element 34 11