201224349 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種燈具’特別是涉及一種能增強散熱效杲 並節約散熱件材料的LED燈具。 [0002] 〇 【先前技術J LED燈具為了滿足設計美觀的要求，通常將發光二極體（ LED )安裝在内部密閉的空間裏。然而’ LEI)工作時會產 生大量的熱量，因此通常需要給LED燈具設置相應的散熱 裝置，以保證LED的正常使甩。目前已有的LED燈具散熱 一般是將外殼做成鰭片散熱_辑，LED直接焊接在燈板上 ，燈板固定在鰭片散熱外殼上，但效果不理想，内部散 熱效果差，影響LED燈具使用壽命*且整個LED燈具的體 積也比較大，材料消耗多，生產成本高。 [0003] ..._ 【發明内容】 有鑒於此，有必要提供一種能增，強散熱效果並節約散熱 件材料的LED燈具。 〇 [0004] 一種LED燈具，包持燈板、散熱件、支推柱及底座，該燈 板與散熱件固定連接。該LED燈具還包括一連接螺桿，該 連接螺桿一端與燈板及散熱件固定連接，另一端與支擇 柱的一端固定連接，該支撐柱的另一端固定於底座上。 該連接螺桿、支撐柱及底座分別由導熱性良好的材料製 成，燈板上產生的熱量直接或通過散熱件間接傳導到連 接螺桿上，進而通過連接螺桿傳導到支撐柱及底座上與 周圍的空氣進行熱交換。 [0005] 本發明的LED燈具，通過連接螺桿與燈板及散熱件直接接 099142720 表單編號A0101 第3頁/共12頁 0992074073-0 201224349 觸’可使LED燈具發出的熱量通過連接螺桿傳導到支樓柱 及底座進㈣向散熱’並通過散熱件進行徑向散熱，^ 現熱量的全方位散發，增強散熱效果，保證了光源的1 常發光，延長了led燈具的使用壽命。另外，·▲ 为外，這種1^1)燈 具的散熱結構巧妙地利用連接螺桿傳導熱量，並利 撐柱及底座散熱，減少散熱件的面積，節約材料。 【實施方式】 [0006] [0007] 請同時參閱圖1和圖2，LED燈具1〇包括燈罩2〇、散熱件 30、燈板40、連接螺桿50、支推柱6〇及底座？〇。其中， 燈罩20及燈㈣分職散熱件咖定連接連接螺❿ -端與燈板4G及散熱件则定連接，另—端與支揮⑽ 的一端固定連接，支樓柱6〇的另—端固定於圓盤狀的底 座70上。本實施方式中，該連接螺桿5〇、支撑柱及底 f 7〇分別由導熱性良好的材料製成，燈板40上產生的熱 量直接或通過散熱件3G間接傳導到連接螺桿5G上，進而 通過連接螺桿5〇傳導到支樓㈣及底咖上與周圍的空 氣進行熱交換_。 燈罩2G呈半物狀’包括上鮮21及與上燈㈣固定連 接的下燈罩22。請同時參閱圖3，本實施方式中，該下燈 罩22的頂部向遠離上燈罩21的方向凹陷形成-個倒圓臺且 形狀的凹部221，該凹部221的中心還形成有— 222 » 099142720 散熱件30為與下燈罩22的凹部221相配合的圓盤形狀其 包括底盤3G1、環繞底盤謝的散熱部302及從底盤301中 央凸起形成的中空的圓臺3〇3。裝配時，該圓臺3〇3的頂 表單編號A0101 第4頁/共12頁 0992074073-0 [0008] 201224349 部從通孔222中伸出，下燈罩22的凹部221容置於散熱件 30的底盤301上’從而將下燈罩22與散熱件爾湊地固 定在一起。 [0009]燈板4〇包括上燈板41、下燈板42 ’其中，上燈板41的尺 寸與散熱件30的圓臺303頂部相適配，下燈板仙尺寸不 大於散熱件30的底盤m的尺寸，並在中部形成一個與圓 臺303底部開口的尺寸相適配的通孔。本實施方式中，上 燈板41設置在散熱件30的圓臺3〇3的頂部外侧上，下燈板 42設置在底盤301遠離上燈板41的一側上。上燈板心及 下燈板42在遠離散熱件30的一侧面上分別安裝有發光二 極體。 ,， _] LED燈具10還包括-透明保護罩8G，該保護糊為一圓 盤形狀’其開口的尺寸與散熱件_底盤尺寸相適配， 該保護罩關扣固定在散熱件3㈣崎上，用於保護下 燈板42上的發光-極體。散熱件3Q與透明保護罩8〇之間 形成一個散熱室35。 > _連接螺桿空的管狀結構，用於容納⑽燈具1〇的 導線90。該連接螺桿50包括頭部51和桿部52，其中，頭 部51形成於桿部52頂端外沿且具有環形凸邊’該桿部52 表面形成有外螺紋，用於增大連接螺桿5〇與散熱室35中 的空氣的接觸面積。本實施方式中，散熱件3〇、上燈板 41及透明保護罩80在各自的中心還分別形成有一個同軸 的、可使連接螺桿50的桿部52通過的通孔。連接螺桿50 的桿部52末端從上至下依次穿過上燈板41、散熱件30、 下燈板42及保護罩80中心的通孔，連接螺桿50的頭部51 099142720 表單編號A0101 第5頁/共12頁 0992074073-0 201224349 抵持住上燈板41，螺母53從散熱件30遠離上燈板41的一 側與連接螺桿50的桿部52配合將上燈板4丨固定在散熱件 30上。 [0012] 支撐柱60為一中空的管狀結構’用於容納LED燈具10的導 線90，其内腔的一末端形成有内螺紋（圖未示），用於 與連接螺桿50的末端的外螺紋實現螺紋旋接。支撐柱6〇 的另一端與底座70固定在一起，LED燈具1〇的導線90從 底座70向上穿過支撐柱6 0及連接螺桿5〇後電連接於上燈 板41及下燈板42以給發光二極體供電。 [0013] 當開啟LED燈具照明時，發光二極體在上燈板41及下燈板 42上產生的熱量一方面通過散熱件30的底盤301及圓臺 303頂部傳導到散熱部302中，進而使熱量通過散熱件3〇 徑向散發至外部環境中’另一方面通過燈板40及散熱件 30與連接螺桿50直接接觸而傳導到連接螺桿50上，再一 方面散發到散熱室35中’散熱室35中韵熱量通過與連接 螺桿50表面的螺紋充分接觸而傳導對機接螺桿5〇中。連 接螺桿50中的熱量被軸向傳導到支撐柱60及底座70上與 周圍的空氣進行熱交換。 [0014] 本發明的LED燈具10通過在連接螺桿5〇表面設置螺紋結構 ’增大連接螺桿50與散熱室35中的空氣的接觸面積，提 高連接螺桿50表面面積的利用率，且連接螺桿50與燈板 40及散熱件30直接接觸，可使LED燈具10發出的熱量通 過連接螺桿50傳導到支撐柱60及底座70進行軸向散熱， 並通過散熱件30進行徑向散熱，實現熱量的全方位散發 ，增強散熱效果，保證了光源的正常發光，延長了 LED燈 099142720 表單編號A0101 第6頁/共12頁 0992074073-0 201224349 具ίο的使用壽命。另外，這種散熱結構巧妙地利用連接 螺桿傳導熱量，並利用支撐柱及底座散熱，減少散熱件 3 0的面積，節約材料。 [0015] 本技術領域的普通技術人員應當認識到，以上的實施方 式僅是用來說明本發明，而並非用作為對本發明的限定 ，只要在本發明的實質精神範圍之内，對以上實施例所 作的適當改變和變化都落在本發明要求保護的範圍之内201224349 VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to a lamp "> particularly relates to an LED lamp which can enhance heat dissipation and save heat sink material. [0002] 先前 [Prior Art J LED luminaires are usually installed in an internal sealed space in order to meet the aesthetic requirements of the design. However, 'LEI) generates a lot of heat when working, so it is usually necessary to set the corresponding heat sink for the LED luminaire to ensure the normal operation of the LED. At present, the existing LED lamps are generally made of fins for heat dissipation. The LEDs are directly soldered to the lamp panels, and the lamps are fixed on the fin heat sinks, but the effect is not satisfactory, and the internal heat dissipation effect is poor, affecting the LED lamps. The service life* and the volume of the entire LED lamp are also relatively large, the material consumption is high, and the production cost is high. [0003] ... [Invention] In view of this, it is necessary to provide an LED lamp which can increase the heat dissipation effect and save the heat sink material. 0004 [0004] An LED lamp comprising a lamp board, a heat sink, a push rod and a base, the lamp board being fixedly connected with the heat sink. The LED lamp further includes a connecting screw, and one end of the connecting screw is fixedly connected to the lamp board and the heat sink, and the other end is fixedly connected to one end of the supporting column, and the other end of the supporting column is fixed on the base. The connecting screw, the supporting column and the base are respectively made of a material with good thermal conductivity, and the heat generated on the lamp board is directly transmitted to the connecting screw through the heat radiating member, and is further transmitted to the supporting column and the base and the surrounding by the connecting screw. The air is heat exchanged. [0005] The LED lamp of the present invention is directly connected to the light board and the heat sink by the connecting screw. 099142720 Form No. A0101 Page 3 / Total 12 Page 0992074073-0 201224349 Touch 'The heat generated by the LED lamp can be transmitted to the branch through the connecting screw The column and the base enter (4) to dissipate heat and radiate heat through the heat dissipating component. The heat is distributed in all directions to enhance the heat dissipation effect, ensuring the constant light emission of the light source and prolonging the service life of the LED lamp. In addition, · ▲ For the outside, the heat dissipation structure of the 1^1) lamp uses the connecting screw to conduct heat, and helps the column and the base to dissipate heat, reducing the area of the heat sink and saving material. [Embodiment] [0006] [0007] Please also refer to FIG. 1 and FIG. 2, the LED lamp 1 includes a lamp cover 2, a heat sink 30, a lamp board 40, a connecting screw 50, a push column 6 〇 and a base. Hey. Among them, the lampshade 20 and the lamp (4) are separately connected to the heat-dissipating component, and the connecting end is connected with the lamp plate 4G and the heat-dissipating member, and the other end is fixedly connected with one end of the branching (10), and the other side of the branch column is 6〇. The end is fixed to the disc-shaped base 70. In this embodiment, the connecting screw 5〇, the support post and the bottom f 7〇 are respectively made of a material having good thermal conductivity, and the heat generated on the lamp plate 40 is directly transmitted to the connecting screw 5G directly or through the heat dissipating member 3G, thereby further It is transmitted to the branch (4) and the bottom coffee through the connecting screw 5〇 to exchange heat with the surrounding air. The lampshade 2G is in the form of a half object' including a top fresh 21 and a lower cover 22 fixedly coupled to the upper lamp (four). Referring to FIG. 3, in the embodiment, the top of the lower cover 22 is recessed in a direction away from the upper cover 21 to form a truncated cone and a concave portion 221. The center of the recess 221 is further formed with - 222 » 099142720 heat dissipation. The member 30 is in the shape of a disk that cooperates with the recess 221 of the lower cover 22, and includes a chassis 3G1, a heat radiating portion 302 surrounding the chassis, and a hollow circular table 3〇3 formed by projecting from the center of the chassis 301. When assembled, the top form number of the round table 3〇3 A0101 page 4/12 pages 0992074073-0 [0008] The 201224349 portion protrudes from the through hole 222, and the recess 221 of the lower lamp cover 22 is received in the heat sink 30 On the chassis 301 'therefore the lower shade 22 and the heat sink are securely fastened together. The lamp board 4 includes an upper light board 41 and a lower light board 42'. The size of the upper light board 41 is matched with the top of the circular table 303 of the heat sink 30, and the size of the lower light board is not larger than the heat sink 30. The size of the chassis m is such that a through hole is formed in the middle to match the size of the opening at the bottom of the truncated cone 303. In the present embodiment, the upper lamp plate 41 is disposed on the outer side of the top of the circular table 3〇3 of the heat sink 30, and the lower lamp plate 42 is disposed on the side of the chassis 301 away from the upper lamp plate 41. The upper and lower lamp plates 42 are respectively provided with light emitting diodes on the side away from the heat sink 30. , _] LED luminaire 10 further includes a transparent protective cover 8G, the protective paste is in the shape of a disk whose opening is adapted to the size of the heat sink _ chassis, and the protective cover is fixed on the heat sink 3 (four) It is used to protect the light-emitting body on the lower light plate 42. A heat dissipation chamber 35 is formed between the heat sink 3Q and the transparent protective cover 8A. > _ Connect the screw to the empty tubular structure for accommodating (10) the wire 90 of the lamp. The connecting screw 50 includes a head portion 51 and a rod portion 52, wherein the head portion 51 is formed on the outer edge of the top end of the rod portion 52 and has an annular flange. The surface of the rod portion 52 is formed with an external thread for increasing the connecting screw 5〇. The contact area with the air in the heat dissipation chamber 35. In the present embodiment, the heat dissipating member 3, the upper lamp plate 41, and the transparent protective cover 80 are respectively formed with a coaxial through hole at a center thereof through which the rod portion 52 of the connecting screw 50 can pass. The end of the rod portion 52 of the connecting screw 50 passes through the upper plate 41, the heat sink 30, the lower lamp plate 42 and the through hole at the center of the protective cover 80 from top to bottom, and the head 51 of the connecting screw 50 is 0 0 129 720. Form No. A0101 No. 5 Page / Total 12 pages 0992074073-0 201224349 Resisting the upper lamp plate 41, the nut 53 is engaged with the rod portion 52 of the connecting screw 50 from the side of the heat dissipating member 30 away from the upper lamp plate 41, and the upper lamp plate 4丨 is fixed to the heat dissipating member 30 on. [0012] The support post 60 is a hollow tubular structure 'the wire 90 for accommodating the LED lamp 10, and one end of the inner cavity is formed with an internal thread (not shown) for external thread with the end of the connecting screw 50. Achieve thread screwing. The other end of the support post 6〇 is fixed to the base 70, and the wire 90 of the LED lamp 1 is electrically connected to the upper lamp plate 41 and the lower lamp plate 42 from the base 70 through the support column 60 and the connecting screw 5〇. Power the LEDs. [0013] When the illumination of the LED lamp is turned on, the heat generated by the LEDs on the upper lamp plate 41 and the lower lamp plate 42 is transmitted to the heat dissipation portion 302 through the chassis 301 of the heat dissipation member 30 and the top of the circular table 303. The heat is radiated to the external environment through the heat sink 3 '. On the other hand, the light board 40 and the heat sink 30 are directly contacted with the connecting screw 50 to be transmitted to the connecting screw 50, and then radiated to the heat radiating chamber 35. The heat in the heat radiating chamber 35 is conducted to the machine screw 5 through sufficient contact with the threads of the surface of the connecting screw 50. The heat in the connecting screw 50 is axially conducted to the support post 60 and the base 70 for heat exchange with the surrounding air. [0014] The LED lamp 10 of the present invention increases the contact area of the connecting screw 50 with the air in the heat dissipating chamber 35 by providing a screw structure on the surface of the connecting screw 5, and increases the utilization ratio of the surface area of the connecting screw 50, and the connecting screw 50 Direct contact with the lamp board 40 and the heat sink 30 allows the heat generated by the LED lamp 10 to be conducted to the support post 60 and the base 70 through the connecting screw 50 for axial heat dissipation, and is radiated radially by the heat sink 30 to achieve full heat. Azimuth emission, enhanced heat dissipation, ensure the normal illumination of the light source, extended LED light 091442120 Form No. A0101 Page 6 / Total 12 Page 0992074073-0 201224349 With ίο life. In addition, the heat dissipating structure skillfully uses the connecting screw to conduct heat, and uses the support column and the base to dissipate heat, thereby reducing the area of the heat dissipating member 30 and saving material. [0015] Those skilled in the art should understand that the above embodiments are only for illustrating the present invention, and are not intended to limit the present invention, as long as it is within the spirit of the present invention, the above embodiments. Appropriate changes and changes made are within the scope of the claimed invention.
【圖式簡單說明】 [0016] 圖1為一實施方式中LED燈具的立體圖。 [0017] 圖2為圖1中的LED燈具沿IV-.IV方向的剖面圖。 [0018] 圖3為圖1中的LED燈具的分解圖。 【主要元件符號說明】 [0019] LED燈具：10 [0020] 燈罩：20 [0021] 上燈罩：21 [0022] 下燈罩：22 [0023] 凹部：221 [0024] 通孔：222 [0025] 散熱件：30 [0026] 底盤：301 [0027] 散熱部：30 2 099142720 表單編號A0101 第7頁/共12頁 0992074073-0 201224349 [0028] 圓臺： 303 [0029] 散熱室 ：35 [0030] 燈板： 40 [0031] 上燈板 ：41 [0032] 下燈板 :42 [0033] 連接螺桿：50 [0034] 頭部： 51 [0035] 桿部： 52 [0036] 螺母： 53 [0037] 支撐柱 ：60 [0038] 底座： 70 [0039] 保護罩 :80 [0040] 導線： 90 099142720 表單編號A0101 第8頁/共12頁 0992074073-0BRIEF DESCRIPTION OF THE DRAWINGS [0016] FIG. 1 is a perspective view of an LED lamp in an embodiment. 2 is a cross-sectional view of the LED lamp of FIG. 1 taken along the IV-.IV direction. 3 is an exploded view of the LED luminaire of FIG. 1. [Main component symbol description] [0019] LED lamp: 10 [0020] Lamp cover: 20 [0021] Upper lamp cover: 21 [0022] Lower lamp cover: 22 [0023] Recess: 221 [0024] Through hole: 222 [0025] Heat dissipation Pieces: 30 [0026] Chassis: 301 [0027] Heat Dissipation: 30 2 099142720 Form No. A0101 Page 7 / Total 12 Page 0992074073-0 201224349 [0028] Round Table: 303 [0029] Cooling Room: 35 [0030] Lights Plate: 40 [0031] Upper Light Board: 41 [0032] Lower Light Board: 42 [0033] Connecting Screw: 50 [0034] Head: 51 [0035] Rod: 52 [0036] Nut: 53 [0037] Support Column: 60 [0038] Base: 70 [0039] Protective cover: 80 [0040] Wire: 90 099142720 Form number A0101 Page 8 / Total 12 pages 0992074073-0