TW200918820A - LED lamp - Google Patents

LED lamp Download PDF

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Publication number
TW200918820A
TW200918820A TW96140239A TW96140239A TW200918820A TW 200918820 A TW200918820 A TW 200918820A TW 96140239 A TW96140239 A TW 96140239A TW 96140239 A TW96140239 A TW 96140239A TW 200918820 A TW200918820 A TW 200918820A
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TW
Taiwan
Prior art keywords
heat
light
heat sink
emitting diode
lamp
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TW96140239A
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Chinese (zh)
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TWI332561B (en
Inventor
Fang-Wei Xu
Guang Yu
Cheng-Tien Lai
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Foxconn Tech Co Ltd
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Priority to TW96140239A priority Critical patent/TWI332561B/en
Publication of TW200918820A publication Critical patent/TW200918820A/en
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Publication of TWI332561B publication Critical patent/TWI332561B/en

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  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

An LED lamp includes a plurality of LED modules, a lampshade enclosing the LED modules therein, a heat absorbing member located at an inside of the lampshade and supporting the LED modules, and a heat sink located at an outside of the LED lampshade and connecting with the heat absorbing member. The heat absorbing member includes a base connecting with the heat sink and a plurality of inclined surfaces extending from an edge of the base to a central apex of the heat absorbing member. The inclined surfaces are radially disposed around the central apex and each of the LED modules is attached on each of the inclined surfaces.

Description

200918820 九、發明說明: 【發明所屬之技術領域】 本發明涉及—種發光二極體燈具,尤係—種具有散熱 結構之發光二極體燈具。 【先前技術】 主發光二極體作為一種高效之發光源,具有環保、省電、 哥命長等諸多特點已經被廣泛運用於各種領域。惟,發光 二極體工作時會產生熱量,尤係一些用於照明之大功率發 光二極體。熱量如得不到及時散發,易產生過熱現象,^ 而導致其發光效率下降。 —習知發光二極體燈具包括一板狀散熱體、複數安裝於 該散熱體一側之發光二極體模組、將散熱體及發光二極體 杈組罩設其内之一燈罩。當發光二極體被點亮時,燈罩内 之溫度漸漸升高;使用一段時間後,燈罩内聚集了大量熱 量。帶有這些熱量之空氣被封閉在燈罩内無法流通,而使 發光二極體溫度升高。這些熱量嚴重影響發光二極體之發 光效率及使用壽命,且,由於該等發光二極體位於散熱體 之同側,其所發出之光線只能從散熱體該側向外輻射而 出,發光角度有限、照明效果不佳。 【發明内容】 一種發光二極體燈具,包括複數發光二極體模組、一 將發光二極體模組罩設其内之燈罩、一位於燈罩内、供發 光二極體模組貼設之吸熱體及設置於燈罩外並與吸熱體連 200918820 d熱器,該吸熱體包括一與散熱器接觸之底面及由 ==向燈罩延伸至一頂點之複數斜面,該斜面圍繞 "射狀分佈,且該發光二極體模、㈣設於該斜面 上0 術相比,本發明發光二極體燈具具有位於燈 二卜::熱器,可將燈罩内之熱量散發到周圍空氣中以降 ^用之/皿度,確保發光二極體穩定地工作;又由於吸 體用財紐光二極體触之斜面呈放射狀分佈,使發 -極體杈組繞吸熱體之頂點沿周向排佈,所以發光二極 體照射之區域較習_ 明效果。狀二極體更廣闊,能達到更好之照 【實施方式】 二搞H1所7^,本發明之發光二極體燈具包括複數發光 才果、、且2〇、—供發光二極體模組20貝占設之吸熱體3〇、 一位於吸熱體30 -端並與其緊密連接之散熱器4()及一燈 k燈罩10 α又置於散熱器4〇 一側並將吸 光二極體模㈣罩設其内m設置於散熱器= 一側之中部。 ㈣燈Γ10為具有一開口之碗狀結構’其通常係由透明之 玻璃或其他材料製成。該燈罩1G安置於該散熱器40 之底#與散熱益40組成一封閉之腔室以容置發光二極體 模組20及吸熱體3Q並且阻止灰塵、蟲子等物體進入 1〇衫響發光二極體模組20之燈光效果。 請同時參閱圖2及圖3,每一發光二極體模組2〇包括 200918820 .一縱長矩形電路板22及複數均勻固定於電路板U 一側面 之發先二極體24。該等電路板22之另—側面貼合於吸敎體 30上。該等發光二極體24位於沿電路板22長度方向ς 之同-直線上’從而將其熱量均勾地傳導至吸熱體30上。 該吸熱體30之整體外形輪廓呈倒稜錐形,由導孰性 屬二銅,等製成。該吸熱體3〇由複數吸熱件3; 、、且δ而成。母一吸熱件31為一三 弧邊之基面312、自Α面”包括一具有圓 土面312之圓弧邊朝向燈罩1〇之心 延伸至-頂點316之斜面314及自基面312另外 至頂點灿之另外二三角面(圖未標) 於該吸熱體30之中心軸绩妁々料ρ、 .,'仔31關 車線均勻對稱地分佈。該等吸熱件31 二:& ’由其基面312共同形成一圓形底面33用以貼 40,且基面312之圓弧邊為該圓形底面% =熱:件31之頂點316共同形成一中心頂點35,= 菸本一义人連接且圍繞該中心頂點35呈放射狀排佈。每一 發光一極體模纟且2Π at α ·ΐ/ν — 、 貼5又於母一吸熱件31之斜面314上, 且發光—極體模組2〇之電路板22沿斜面叫之 :置斜使發光二極體模組2〇繞吸熱體3〇之中心沿:二 不门實:Γ4之數量與發光二極體模組20之數量對應’在 實?中可根據實際需要之亮度來選擇發光二極體模 =曰H量;在本實施例中發光二極體模組20及斜面如 之數夏均為10。 性^二時參閱圖4,該散熱器40大致呈圓盤狀,由導熱 之銅、鋁等材料—體製成。該散熱器40包括一圓 200918820 形Ϊ%1二底座41 一側表面邊緣朝向吸熱體30凸伸之 ==以及設置於底座41另—侧表面、呈放射狀 : 散熱片45、47。—中心孔412貫穿底座 #罢於忘亦w ㈡禾丁 ;穿叹。一凹陷部(圖未標) 底座:41之中部。該等第―、第二散熱片45、π自 二Ϊ第之二邊緣朝向中心延伸且圍繞該凹陷部呈放射狀 熱片45及第二散熱片47交錯、等間隔設置。 二散熱片45、47之間距’沿散熱器4〇之徑 二之=、,第—、第二散熱片4 5、4 7之高度沿散熱 47長。 祈日冋弟—散熱片45較第二散熱片 組裝時’該吸熱體30與發光二極體模組2〇组合後, ^吸熱體30之圓形底面33焊接或㈣㈣熱㈣之底座 使节产罜2 :及熱體3〇及散熱器4〇組合成一整體;然後 ==1()與散熱器4()之_43配合,使燈罩1〇與散 =40 -同組成一封閉之腔室以容置吸熱體% 極體模組20。 知尤一 該燈座50設置於散熱器4〇之凹陷部中部,呈中介之 圓f大。一驅動電路模組(圖未示)收容於該燈座50:, 稷數電線自驅動電路模組引出並穿過散熱器40底座41之200918820 IX. INSTRUCTIONS: [Technical Field] The present invention relates to a light-emitting diode lamp, in particular to a light-emitting diode lamp having a heat dissipation structure. [Prior Art] As a highly efficient light source, the main light-emitting diode has been widely used in various fields, such as environmental protection, power saving, and longevity. However, the light-emitting diode generates heat when it is working, especially some high-power light-emitting diodes for illumination. If the heat is not released in time, it will easily cause overheating, which will cause its luminous efficiency to drop. The conventional light-emitting diode lamp includes a plate-shaped heat sink, a plurality of light-emitting diode modules mounted on one side of the heat-dissipating body, and a light-shielding body in which the heat-dissipating body and the light-emitting diode group are disposed. When the light-emitting diode is illuminated, the temperature inside the lamp cover gradually rises; after a period of use, a large amount of heat is accumulated in the lamp cover. The air with this heat is enclosed in the lampshade and cannot circulate, causing the temperature of the light-emitting diode to rise. These heats seriously affect the luminous efficiency and service life of the light-emitting diodes, and since the light-emitting diodes are located on the same side of the heat-dissipating body, the light emitted by the light-emitting diodes can only radiate outward from the side of the heat-dissipating body, and emits light. The angle is limited and the lighting effect is not good. SUMMARY OF THE INVENTION A light-emitting diode lamp includes a plurality of light-emitting diode modules, a light cover that covers the light-emitting diode module, and a light-emitting diode module for mounting the light-emitting diode module. The heat absorbing body is disposed outside the lamp cover and connected to the heat absorbing body with a heat sink. The heat absorbing body includes a bottom surface in contact with the heat sink and a plurality of slopes extending from the == to the lamp cover to a vertex, the slope surrounding the "radiation distribution The light-emitting diode lamp and the (4) are disposed on the inclined surface. The light-emitting diode lamp of the present invention has a heat-dissipating device that can dissipate heat in the lamp cover to the surrounding air to reduce It is used to ensure that the light-emitting diodes work stably; and because the suction body is radially distributed with the inclined surface of the illuminating diode, the hair-polar body group is arranged circumferentially around the apex of the heat absorbing body. Therefore, the area illuminated by the light-emitting diode is better than the effect. The diode is wider and can achieve a better photo. [Embodiment] The H2 lamp of the present invention includes a plurality of light-emitting diodes, and 2 〇, for the light-emitting diode model. The heat sink body of the group 20 is occupied by a heat sink 3, a heat sink 4 () which is located at the end of the heat absorbing body 30 and is closely connected thereto, and a lamp cover 10 α is placed on the side of the heat sink 4 并将 and the light absorbing diode is The mold (4) is provided with m inside the heat sink = one side. (d) The lamp holder 10 is a bowl-like structure having an opening which is usually made of transparent glass or other material. The lampshade 1G is disposed at the bottom of the heat sink 40 and the heat dissipation 40 forms a closed chamber for accommodating the LED module 20 and the heat absorbing body 3Q and preventing objects such as dust and insects from entering the singer. The lighting effect of the polar body module 20. Referring to FIG. 2 and FIG. 3, each LED module 2 includes 200918820. A vertically long rectangular circuit board 22 and a plurality of first diodes 24 uniformly fixed to one side of the circuit board U. The other side of the circuit board 22 is attached to the suction body 30. The light-emitting diodes 24 are located on the same line in the longitudinal direction of the circuit board 22 to conduct their heat to the heat absorbing body 30. The overall shape of the heat absorbing body 30 is chamfered and tapered, and is made of a conductive copper or the like. The heat absorbing body 3 is made up of a plurality of heat absorbing members 3; The mother-heat-absorbing member 31 is a three-arc base surface 312, and the self-fitting surface includes a beveled surface 314 having a circular arc surface 312 extending toward the center of the lampshade 1 to the apex 316 and a self-basing surface 312. The other two triangular faces of the apex can not be marked on the center of the heat absorbing body 30, and the 3131 lanes are uniformly symmetrically distributed. The heat absorbing members 31: & The base surface 312 forms a circular bottom surface 33 for attaching 40, and the circular arc side of the base surface 312 is the circular bottom surface. % = heat: the apex 316 of the member 31 together form a central apex 35, = Yanbenyiyi The humans are connected and arranged radially around the central apex 35. Each of the illuminating poles is molded and 2 Π at α · ΐ / ν — , and the affix 5 is on the slope 314 of the female heat absorbing member 31, and the illuminating pole The circuit board 22 of the body module 2 is called along the inclined surface: the tilting causes the light emitting diode module 2 to wrap around the center edge of the heat absorbing body 3: the second door: the number of the Γ4 and the light emitting diode module 20 The number corresponds to 'in the actual? The brightness of the diode can be selected according to the actual needs of the brightness = 曰H amount; in this embodiment, the LED module 20 and the oblique If the number is 10 in summer, the heat sink 40 is substantially disk-shaped and is made of a material such as copper, aluminum or the like which is thermally conductive. The heat sink 40 includes a circle 200918820. The surface of one side of the second base 41 protrudes toward the heat absorbing body 30 == and is disposed on the other side surface of the base 41, and is radially: the heat sink 45, 47. - the center hole 412 penetrates the base # 于在忘也 w (二)禾丁a sigh. A recessed portion (not shown): base: 41. The first and second heat sinks 45, π extend from the second edge of the second to the center and are radially heated around the recess. 45 and the second heat sink 47 are staggered and arranged at equal intervals. The distance between the two heat sinks 45, 47 is 'the diameter along the heat sink 4', the second heat sink 4 5, 4 7 47. The princess--the heat sink 45 is assembled with the second heat sink 45. After the heat absorbing body 30 is combined with the light-emitting diode module 2, the circular bottom surface 33 of the heat absorbing body 30 is welded or (4) (4) heat (4) The base makes the production 罜2: and the hot body 3〇 and the radiator 4〇 are combined into one piece; then ==1() cooperates with the radiator 4() _43, The lampshade 1 〇 and the scatter = 40 - form a closed chamber to accommodate the heat absorbing body % pole body module 20. The illuminating body 50 is disposed in the middle of the concave portion of the heat sink 4 ,, which is an intermediate circle f A driving circuit module (not shown) is received in the lamp holder 50: the plurality of wires are led out from the driving circuit module and pass through the base 41 of the heat sink 40.

=孔412而與發光:極體模組2()電性連接,用以驅動發 光二極體模組2〇。 X 使用時’發光二極體24通電產生光線,起到照明作用,· 同%·,發光二極體24產生之熱量被吸熱體3〇之每—吸熱 9 200918820 件31吸收,進而通過吸熱件31之基面312傳導至散熱器 40之底座41上’然、後傳導至底座41之第―、第二散^ 45、47上’最後散發到周圍空氣中去。如此,燈罩ι〇内之 溫度得到降低,發光二極體24可工作於正f溫度範圍内, 可延長燈具之使用壽命。同時,χ由於吸熱件31之斜面糾 圍繞吸熱體30之中心頂點35呈放射狀分佈,且每一發光 二極體模組20貼設於每—斜面川上,使發光二極體模址 繞吸熱體30之中心頂點35沿周向排佈,所以發光二極 體24照射之區域較f知發光二極體廣闊,在確保燈具使用 寻命之同時,又能達到更好之照明效果。 綜上料,本發明符合發明專利要件,f依法提出專 =申請。#,以上所述者僅為本發明之較佳實施例,舉凡 案技藝之人士,在爰依本發明精神所作之等效修都 或良化,皆應涵蓋於以下之申請專利範圍内。 【圖式簡單說明】 圖1係本發明發光二極體燈具之立體組裝圖。 圖2係圖1中發光二極體燈具之立體分解圖。 圖3係圖2中發光二極體燈具之倒置圖。 圖4係圖2中發光二極體散熱器之俯視圖。 【主要元件符號說明】 10 發光二極體模組 20 22 發光二極體 24 30 吸熱件 31 燈罩 電路板 σ及熱體 200918820 底面 33 中心頂點 35 散熱器 40 底座 41 側壁 43 第一散熱片 45 第二散熱片 47 燈座 50 基面 312 斜面 314 頂點 316 中心孔 412 11The hole 412 is electrically connected to the pole body module 2 () for driving the light emitting diode module 2 〇. When the X is used, the light-emitting diode 24 is energized to generate light, which serves as an illumination function. · The same as %, the heat generated by the light-emitting diode 24 is absorbed by the heat-absorbing body 3 - the heat absorption 9 200918820, 31, and then through the heat-absorbing member The base surface 312 of the 31 is conducted to the base 41 of the heat sink 40, and then is conducted to the first and second portions 45, 47 of the base 41, and finally is discharged into the surrounding air. In this way, the temperature inside the lamp cover is reduced, and the light-emitting diode 24 can operate in the positive f temperature range, thereby prolonging the service life of the lamp. At the same time, the slanting surface of the heat absorbing member 31 is radially distributed around the central apex 35 of the heat absorbing body 30, and each of the illuminating diode modules 20 is attached to each slanting surface, so that the illuminating diode pattern is surrounded by heat absorption. The center apex 35 of the body 30 is arranged in the circumferential direction, so that the area illuminated by the light-emitting diode 24 is wider than that of the light-emitting diode, and a better illumination effect can be achieved while ensuring the use of the lamp. In summary, the invention complies with the requirements of the invention patent, f. The above description is only the preferred embodiment of the present invention, and those skilled in the art should devise equivalent modifications or improvements in the spirit of the present invention, and should be included in the following claims. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective assembled view 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 the light-emitting diode lamp of FIG. 2. 4 is a top plan view of the light emitting diode heat sink of FIG. 2. [Main component symbol description] 10 LED module 20 22 LED 24 30 Heat sink 31 Shade circuit board σ and hot body 200918820 Floor 33 Center apex 35 Heat sink 40 Base 41 Side wall 43 First heat sink 45 Two heat sinks 47 Lamp holder 50 Base surface 312 Bevel 314 Vertex 316 Center hole 412 11

Claims (1)

200918820 .十、申睛專利範圍: 種表光—極體燈具,包括複數發光二極體模組、一將 ^光二極體模組罩設其内之燈罩,其改良在於··還包括 位於垃罩内、供發光二極體模組貼設之吸熱體及設置 ;燈罩H並與吸熱體連接之—散熱器,該吸熱體包括一 與散熱器接觸之底面及由底面邊緣朝肖燈罩延伸至一 頂點之複數斜面,該斜面圍繞該頂點呈放射狀分佈,且 该發光二極體模組貼設於該斜面上。 2·如申請專利範圍第1項所述之發光二極體燈具,其中該 吸熱體呈倒稜錐形。 3·如申請專利範圍第2項所述之發光二極體燈具,其中該 二熱體由魏吸熱件組合而成,且該等吸熱件關於吸熱 體之中心軸線均勻對稱分佈。 4.如申請專利範圍第3項所述之發光二極體燈具,其中每 =熱件均為二稜錐體,包括—與散熱器接觸之基面及 ^面乙伸至一端點之斜面,該吸熱件基面組合形成吸 ^ -與散熱器接觸之底面,該端點組合形成吸熱體之頂 點。 恭t:專利粑圍第1項所述之發光二極體燈具,其中該 X光二極體模組沿吸熱體斜面之延伸方向設置。 • 請專鄉_1項所述之發光二極體燈具,其中該 :‘,』呈圓盤狀,包括-底座及自底座邊緣朝向吸熱體 申之側壁’該底座一側表面與吸熱體貼設且另一表 12 200918820 面呈放射狀排佈有複數散熱片。 如申請專利範圍第6項所述之發光二極體燈具,其中該 散熱片包括複數自散熱器底座外侧邊緣朝向中心延伸 且呈放射狀分佈之第一、第二散熱片,該第—及第二散 熱片交錯、間隔設置。 8.200918820. X. The scope of the patent application: the surface light-polar body lamp, including the complex light-emitting diode module, and the light-emitting diode cover of the light-emitting diode module, the improvement is that it also includes a heat sink disposed in the cover and disposed on the light emitting diode module; and a heat sink connected to the heat sink, the heat sink includes a bottom surface contacting the heat sink and extending from the bottom edge toward the SHA lamp cover a plurality of slopes of a vertex, the slope is radially distributed around the vertex, and the LED module is attached to the slope. 2. The illuminating diode lamp of claim 1, wherein the absorbing body has a chamfered pyramid shape. 3. The illuminating diode lamp of claim 2, wherein the two heat bodies are combined by a Wei heat absorbing member, and the heat absorbing members are uniformly symmetrically distributed with respect to a central axis of the heat absorbing body. 4. The illuminating diode lamp of claim 3, wherein each of the hot parts is a birefringent cone, comprising: a base surface in contact with the heat sink and a slope extending from the surface to the end point. The base surfaces of the heat absorbing members are combined to form a bottom surface which is in contact with the heat sink, and the end points are combined to form an apex of the heat absorbing body. The light-emitting diode lamp according to the first aspect of the invention, wherein the X-ray diode module is disposed along the extending direction of the inclined surface of the heat absorbing body. • Please refer to the illuminating diode lamp described in _1 of the hometown, where: ', 』 is in the shape of a disk, including the base and the side wall from the edge of the base toward the heat absorbing body. The side surface of the base is affixed to the heat absorbing body. And another table 12 200918820 is radially arranged with a plurality of heat sinks. The light-emitting diode lamp of claim 6, wherein the heat sink comprises a plurality of first and second heat sinks extending from the outer edge of the heat sink base toward the center and radially distributed, the first and the second The two heat sinks are staggered and spaced. 8. 如申請專利範圍第7項所述之發光二極體燈具,其中該 第一、第一散熱片間之距離,沿散熱器之徑向向内逐漸 減小、各散熱片沿第二散熱器之徑向向内逐 古' 第一散熱片較第二散熱片長。 a内, 9.如申請專利範圍第6項所述之發光二極體燈具 燈罩與該散熱器之側壁配合形成一密、^ 〇該 吸熱體及發光二極體模組。 腔至以收容 1〇.如申請專利範圍第1項所述之發光二極體燈且 包括-位於燈罩外、散熱器設置有散 —進-步The light-emitting diode lamp of claim 7, wherein the distance between the first and first heat sinks gradually decreases inward along the radial direction of the heat sink, and the heat sinks are along the second heat sink. Radial inward by month, the first heat sink is longer than the second heat sink. In a, 9. The light-emitting diode lamp cover according to claim 6 is matched with the side wall of the heat sink to form a heat absorbing body and a light-emitting diode module. The cavity is to be accommodated. According to the light-emitting diode lamp of claim 1, and including - located outside the lampshade, the heat sink is provided with a dispersion-in step-by-step 之燈座。 〜 側表面中部 13Lamp holder. ~ Middle side of the side surface 13
TW96140239A 2007-10-26 2007-10-26 Led lamp TWI332561B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI477714B (en) * 2009-11-25 2015-03-21 Ind Tech Res Inst A light emitting diode lamps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI477714B (en) * 2009-11-25 2015-03-21 Ind Tech Res Inst A light emitting diode lamps

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