1,377315 101 年 08 月 六、發明說明： [0001] 【發明所屬之技術領域】 本發明涉及一種發光二極體燈具，尤係一種具有散熱結 構之發光二極體燈具。 [0002] [先前技術] 發光二極體光源作為一種新興之第三代光源，雖然現在 還不能大規模取代傳統之白織燈，惟，其具有工作壽命 長、節能、環保等優點，而普遍被市場所看好。而且， 目前由發光二極體組成之模組能產生大功率、高亮度之 光源，完全可以取代現有白熾燈實現室内外照明亦將 廣泛地、革命性地取代傳統之白熾燈等現有之光源，進 而成為符合節能環保主題之主要光源。 [0003] 然而’功率、亮度越大之發光二極體或其模組產生之熱 量越大且在體積相對較小之發光二極體燈具内難於散 發出去二故’發光二極體尚存在較大散熱技術瓶頸，此 亦係目則大功率、肖讀發光二極體燈具市場化最難突 破之關鍵之處。目剛業界通用之散熱方案係在該燈具内 "又置散熱器’该散熱器具有一爲平底板和底板上形成 之複數散熱韓片。對於一些大功率之燈具，其發光二極 體一般係密集地排列在該底板上並與該底板導熱連接。 樣發光-極體產生之熱量就可以通駭板傳導到散熱 鰭片上而散發到周圍之空氣中。 [0004] •…而目為散熱器中部之散熱鳍片接受之來自熱源之熱 量較大且空氣對流相對靠近周緣之散減片要差，故， 像這樣熱源均勻密集地排列在-底板上，容易致使散熱 09614934(f單編號細1 第3頁/共u頁 1013303519-0 1377315 101年08月10日核正替换頁 不均勻而底板中部位置相對周邊溫度過高，從而極大地 影響散熱器之整體散熱性能。此外，燈源分佈在一平面 上使光之出射角度亦受到一定限制。 【發明内容】 [0005] 有鑒於此，有必要提供一種對流均勻且具有較大出射角 度之發光二極體燈具。 [0006] 一種發光二極體燈具，其包括一頂蓋、連接于頂蓋下方 之一散熱器、一導熱體和貼設於導熱體下端面之複數發 光二極體模組，該散熱器包括一導熱筒壁和從導熱筒壁 向外延伸之複數散熱鰭片，該導熱體容置在該導熱筒壁 内並與導熱筒壁導熱連接，該導熱體下端面形成一供發 - 光二極體模組貼設之内凹面。 [0007] 上述散熱鰭片間之氣流通道位於該導熱體周緣，有利於 空氣自下向上對流將散熱鰭片之熱量帶走，而實現散熱 之效果，同時由於發光二極體模組貼置於導熱體之内凹 面上，增大光之出射角度。 【實施方式】 [0008] 如圖1-4所示，本發明一優選實施例之發光二極體燈具， 可用於室内或戶外如廣場、街道及公路等場所之照明。 該發光二極體燈具包括一頂蓋10、連接于該頂蓋10周緣 下方之一環形散熱器20、容置於該散熱器20内之一導熱 體30、貼設於該導熱體30底端之複數條形發光二極體模 組40和與該散熱器20底端緣結合而將導熱體30封於散熱 器20内之一燈蓋50。 09_#單编號删1 第4頁/共14頁 1013303519-0 1377315 101年.08月10日梭正替換頁 [0009] 上述頂蓋10用於與一燈座（圖未示）導電結合同時將整 個發光二極體燈具固定到該燈座上，其包括一圓形蓋體 12和設置于該蓋體12中間之一燈頭14。該蓋體12為一圓 形平板體，在靠近其外周緣處開設有複數間隔之穿孔122 ，該穿孔122用於供螺釘（圖未示）穿過而與散熱器20頂 端螺合。該蓋體12在靠近並圍繞該燈頭14之一圓周上均 勻間隔開設有複數透孔120，該透孔120用於供螺釘穿過 而與導熱體30頂面螺合。該燈頭14用於插置到燈座内而 將發光二極體燈具固定並電性連接。 [0010] 上述散熱器20由導熱性能良好之金屬材料如銅、鋁等一 體成型，其包括一圓筒形之導熱筒壁22和由該導熱筒壁 22外周緣發散地向外延伸之複數散熱鰭片24。該導熱筒 壁22之直徑略小於或等於該頂蓋10蓋體12之直徑，導熱 筒壁22之頂端上間隔開設有複數間隔之固定孔220，該等 固定孔220與蓋體12上之穿孔122對應，與穿過穿孔122 之螺釘螺合而將散熱器20固定到頂蓋10上。該等散熱鰭 片24相互間隔且與散熱器20或導熱筒壁22之中心軸線平 行，相鄰兩散熱鰭片24之間形成有沿軸線之豎直通道。 該散熱器10或散熱鰭片24關於散熱器20或導熱筒壁22之 中心軸線中心對稱。 [0011] 上述導熱體30由導熱性能良好之金屬材料如銅、鋁等一 體成型，其大致呈一正好容置在散熱器20之導熱筒壁22 内之扁圓柱狀。該導熱體30包括連接頂蓋10之一頂面32 、與散熱器20導熱筒壁22内側接觸之周面33和位於底端 之一内凹面34。該頂面32對應頂蓋10蓋體12上之透孔 隱493#單編號A0101 第5頁/共14頁 1013303519-0 1377315 101年08月10日梭正替换頁 120開設有複數呈圓環形排列之結合孔320，該等結合孔 320與穿過透孔120之螺釘配合將導熱體30固定到頂蓋10 上。該頂面32中央開設有一上下穿透之通孔322，該通孔 322可供導線穿過將發光二極體模組40與該頂蓋10之燈頭 14導電連接。該周面33與導熱筒壁22内側面之間可以填 充導熱膠，以加強導熱效果。該内凹面34係由該導熱體 30之底端呈漏斗狀内凹而成，該内凹面34被平均分為複 數扇形區域，每一扇形區域均被處理成平面狀以供一發 光二極體模組40貼設其上。 [0012] 上述發光二極體模組40包括一條形之電路板42和沿該電 路板42長度排列並安裝於電路板42上之複數發光二極體 44。該發光二極體模組40可通過鎖螺釘之方式固定於該 導熱體30内凹面34上。 [0013] 上述燈蓋50為一圓形薄板體，其由透明材料如玻璃或樹 脂等製成。該燈蓋50之大小正好貼設在該散熱器20導熱 筒壁22之下端内緣和導熱體30内凹面34之底端周緣上， 並可通過粘貼等方法固定。 [0014] 上述發光二極體燈具組合時，螺釘穿過頂蓋10之穿孔122 與散熱器20頂端之固定孔220螺合而將散熱器20固定到頂 蓋10下；該導熱體30通過其頂面之结合孔320與穿過頂蓋 10之螺釘結合而固到頂蓋10下；發光二極體模組40分別 沿導熱體30之徑向貼設在内凹面34之扇形區域上；該燈 蓋50容置在散熱器20底端内將該導熱體30及發光二極體 模組40封裝於散熱器20導熱筒壁22内。 單编號删1 第6頁/共14頁 1013303519-0 1.377315 101年08月10日梭正替換頁 [0015] 上述發光二極體燈具在使用時，發光二極體模組40產生 之熱量均勻地傳導到導熱體30上，再通過導熱體30均勻 分佈到散熱鰭片24上，最後由散熱鰭片24散發到周圍空 氣中而達到冷卻之效果。上述發光二極體模組40成中心 對稱地連接到導熱體30上，上述散熱鰭片24間之氣流通 道位於該導熱體30周緣且沿豎直方向延伸，有利於空氣 自下向上對流將散熱鰭片24之熱量帶走，而實現散熱之 效果。此外，上述發光二極體模組40發散地貼設於導熱 體30之内凹面34，傾斜面向發光二極體燈具之四周，從 而有效增加照射面積。 [0016] 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】 [0017] 圖1係本發明發光二極體燈具之一優選實施例之立體組合 圖。 [0018] 圖2係圖1中發光二極體燈具之立體分解圖。 [0019] 圖3係圖2之部分組合圖之倒置圖。 [0020] 圖4係圖2之倒置圖。 【主要元件符號說明】 [0021] 頂蓋：10 [0022] 蓋體：12 09614934(f^編號 A〇101 第7頁/共14頁 1013303519-0 1377315 〇 101年08月10日核正替换頁 [0023] 透孔：120 [0024] 穿孔：122 [0025] 燈頭：14 [0026] 散熱器：20 [0027] 導熱筒壁：22 [0028] 固定孔：220 [0029] 散熱鰭片：24 [0030] 導熱體：30 [0031] 頂面：32 [0032] 結合孔：320 [0033] 通孔：322 [0034] 周面：3 3 [0035] 内凹面：34 [0036] 發光二極體模組：40 [0037] 電路板：42 [0038] 發光二極體：44 [0039] 燈蓋：50 0961493#單编號 A〇101 第8頁/共14頁 1013303519-01,377315 101. The invention is: [0001] The present invention relates to a light-emitting diode lamp, and more particularly to a light-emitting diode lamp having a heat-dissipating structure. [0002] [Prior Art] As a new generation of light source, the light-emitting diode light source can not replace the traditional white woven lamp on a large scale, but it has the advantages of long working life, energy saving, environmental protection, etc. Be optimistic about the market. Moreover, the module composed of the light-emitting diode can generate a high-power, high-brightness light source, and can completely replace the existing incandescent lamp to realize indoor and outdoor illumination, and will widely and revolutionarily replace the existing light source such as a conventional incandescent lamp. In turn, it becomes the main light source that meets the theme of energy conservation and environmental protection. [0003] However, the greater the power and brightness of the LED or its module, the greater the heat generated by the LED and the relatively small volume of the LED lamp, which is difficult to emit. The bottleneck of the large heat dissipation technology, this is also the key point for the most difficult breakthrough in the marketization of high-power, Xiao-reading LED lamps. The heat dissipation solution commonly used in the industry is in the luminaire. The heat sink has a plurality of heat sinks formed on the flat bottom plate and the bottom plate. For some high-power lamps, the light-emitting diodes are generally densely arranged on the bottom plate and thermally connected to the substrate. The radiant heat generated by the polar body can be conducted through the raft to the heat sink fins and radiated into the surrounding air. [0004] • The heat sink fin in the middle of the heat sink receives a large amount of heat from the heat source and the air convection is relatively close to the periphery of the strip, so that the heat source is uniformly densely arranged on the bottom plate. It is easy to cause heat dissipation 09614934 (f single number fine 1 page 3 / total u page 1013303519-0 1377315 101 August 10, the nuclear replacement page is uneven and the middle position of the bottom plate is too high relative to the surrounding temperature, thus greatly affecting the heat sink In addition, the light source is distributed on a plane so that the light exit angle is also limited. [0005] In view of the above, it is necessary to provide a light-emitting diode with uniform convection and a large exit angle. [0006] A light-emitting diode lamp, comprising: a top cover, a heat sink connected to the bottom of the top cover, a heat conductor and a plurality of light-emitting diode modules attached to the lower end surface of the heat conductor, The heat sink comprises a heat-conducting tube wall and a plurality of heat-dissipating fins extending outward from the wall of the heat-conducting tube, the heat-conducting body being received in the wall of the heat-conducting tube and thermally connected to the wall of the heat-conducting tube A light supply-light diode module is attached to the concave surface. [0007] The air flow passage between the heat dissipation fins is located at the periphery of the heat conductor, which facilitates the air convection from bottom to top to take away the heat of the heat dissipation fins. The effect of the heat dissipation, and the light emitting diode module is placed on the concave surface of the heat conductor to increase the light exit angle. [Embodiment] [0008] A preferred embodiment of the present invention is shown in FIGS. The light-emitting diode lamp can be used for illumination indoors or outdoors, such as a square, a street, a road, etc. The light-emitting diode lamp includes a top cover 10 and a ring-shaped heat sink 20 connected to the periphery of the top cover 10, The heat conductor 30 disposed in the heat sink 20, the plurality of strip LED modules 40 attached to the bottom end of the heat conductor 30, and the bottom edge of the heat sink 20 are combined to seal the heat conductor 30 One of the lamp covers 50 in the heat sink 20. 09_#单编号除1 4th page/total 14 pages 1013303519-0 1377315 101 years. August 10th shuttle replacement page [0009] The above top cover 10 is used for A lamp holder (not shown) is electrically coupled and simultaneously fixes the entire LED illuminator to The lamp holder includes a circular cover 12 and a base 14 disposed between the cover 12. The cover 12 is a circular plate body, and a plurality of spaced holes 122 are formed near the outer periphery thereof. The through hole 122 is configured to pass through a screw (not shown) to be screwed to the top end of the heat sink 20. The cover 12 is evenly spaced apart on a circumference of one of the bases 14 and is provided with a plurality of through holes 120. 120 is used for screwing through to the top surface of the heat conductor 30. The lamp head 14 is used for inserting into the lamp holder to fix and electrically connect the LED lamp. [0010] The heat sink 20 is thermally conductive. A metal material having good properties such as copper, aluminum or the like is integrally formed, and includes a cylindrical heat-conducting cylinder wall 22 and a plurality of heat-dissipating fins 24 extending outwardly from the outer periphery of the heat-conducting cylinder wall 22. The diameter of the heat-conducting cylinder wall 22 is slightly smaller than or equal to the diameter of the cover body 12 of the top cover 10. The top end of the heat-conducting cylinder wall 22 is spaced apart from the plurality of fixing holes 220, and the fixing holes 220 and the perforations on the cover body 12. Corresponding to 122, the heat sink 20 is fixed to the top cover 10 by screwing with a screw passing through the through hole 122. The heat dissipating fins 24 are spaced apart from each other and are parallel to the central axis of the heat sink 20 or the heat conducting cylinder wall 22, and a vertical passage along the axis is formed between the adjacent heat radiating fins 24. The heat sink 10 or the heat sink fins 24 are centrally symmetrical about the center axis of the heat sink 20 or the heat conducting cylinder wall 22. [0011] The heat conductor 30 is integrally formed of a metal material having good thermal conductivity, such as copper or aluminum, and is substantially in the shape of a flat cylinder that is received in the heat conducting cylinder wall 22 of the heat sink 20. The heat conductor 30 includes a top surface 32 connecting the top cover 10, a peripheral surface 33 in contact with the inner side of the heat conducting cylinder wall 22 of the heat sink 20, and a concave surface 34 at one of the bottom ends. The top surface 32 corresponds to the through hole on the cover 10 of the top cover 10. 493#单号A0101 Page 5/14 pages 1013303519-0 1377315 On the 10th of August, the shuttle replacement page 120 is provided with a plurality of circular rings. The coupling holes 320 are arranged, and the coupling holes 320 cooperate with the screws passing through the through holes 120 to fix the heat conductor 30 to the top cover 10. A through hole 322 is formed in the center of the top surface 32. The through hole 322 is configured to allow the wire to pass through and electrically connect the LED module 40 to the lamp cap 14 of the top cover 10. The thermal conductive adhesive can be filled between the circumferential surface 33 and the inner side surface of the heat conducting cylinder wall 22 to enhance the heat conduction effect. The concave surface 34 is formed by a funnel-shaped recess at the bottom end of the heat conductor 30. The concave surface 34 is equally divided into a plurality of sector regions, each of which is processed into a planar shape for a light emitting diode. The module 40 is attached thereto. [0012] The LED module 40 includes a strip-shaped circuit board 42 and a plurality of LEDs 44 arranged along the length of the circuit board 42 and mounted on the circuit board 42. The LED module 40 can be fixed to the concave surface 34 of the heat conductor 30 by means of a locking screw. [0013] The lamp cover 50 is a circular thin plate body made of a transparent material such as glass or resin. The lamp cover 50 is affixed to the inner edge of the lower end of the heat conducting tube wall 22 of the heat sink 20 and the bottom end of the concave surface 34 of the heat conductor 30, and can be fixed by pasting or the like. [0014] When the above-mentioned light-emitting diode lamps are combined, the screws are screwed through the through holes 122 of the top cover 10 and the fixing holes 220 at the top end of the heat sink 20 to fix the heat sink 20 under the top cover 10; the heat conductor 30 passes through the top thereof. The coupling hole 320 of the surface is fixed to the top cover 10 by the screw passing through the top cover 10; the LED module 40 is respectively attached to the sector of the concave surface 34 along the radial direction of the heat conductor 30; The heat conductor 30 and the LED module 40 are packaged in the heat-conducting tube wall 22 of the heat sink 20 in the bottom end of the heat sink 20 . Single number deletion 1 Page 6 / Total 14 pages 1013303519-0 1.377315 August 10, 2011 Shuttle replacement page [0015] When the above-mentioned light-emitting diode lamp is used, the heat generated by the LED module 40 is uniform The ground is conducted to the heat conductor 30, and then uniformly distributed to the heat dissipation fins 24 through the heat conductor 30, and finally radiated to the surrounding air by the heat dissipation fins 24 to achieve the cooling effect. The light-emitting diode module 40 is connected to the heat-conducting body 30 in a center-symmetrical manner. The airflow passage between the heat-dissipating fins 24 is located at the periphery of the heat-conducting body 30 and extends in the vertical direction, which is favorable for the air to convect from bottom to top. The heat of the fins 24 is taken away to achieve the effect of heat dissipation. In addition, the light-emitting diode module 40 is disposed on the concave surface 34 of the heat-conducting body 30, and is inclined to face the periphery of the light-emitting diode lamp, thereby effectively increasing the irradiation area. [0016] In summary, the present invention complies with the requirements of the invention patent, and submits a patent application according to law. 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 of the present invention should be included in the following claims. BRIEF DESCRIPTION OF THE DRAWINGS [0017] FIG. 1 is a perspective assembled view of a preferred embodiment of a light-emitting diode lamp of the present invention. 2 is an exploded perspective view of the light-emitting diode lamp of FIG. 1. 3 is an inverted view of a partial combination diagram of FIG. 2. 4 is an inverted view of FIG. 2. [Main component symbol description] [0021] Top cover: 10 [0022] Cover: 12 09614934 (f^ No. A〇101 Page 7/14 pages 1013303519-0 1377315 08August 10, 2010 Nuclear replacement page [0023] Through hole: 120 [0024] Perforation: 122 [0025] Lamp cap: 14 [0026] Heat sink: 20 [0027] Heat pipe wall: 22 [0028] Fixing hole: 220 [0029] Heat sink fin: 24 [ 0030] Thermal conductor: 30 [0031] Top surface: 32 [0032] Bonding hole: 320 [0033] Through hole: 322 [0034] Peripheral surface: 3 3 [0035] Concave surface: 34 [0036] Light-emitting diode mold Group: 40 [0037] Circuit board: 42 [0038] Light-emitting diode: 44 [0039] Lamp cover: 50 0961493 #单单A〇101 Page 8 of 14 page 1013303519-0