TWM393640U - Structure of LED heat dissipation device - Google Patents

Structure of LED heat dissipation device Download PDF

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Publication number
TWM393640U
TWM393640U TW99212968U TW99212968U TWM393640U TW M393640 U TWM393640 U TW M393640U TW 99212968 U TW99212968 U TW 99212968U TW 99212968 U TW99212968 U TW 99212968U TW M393640 U TWM393640 U TW M393640U
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Taiwan
Prior art keywords
base
heat sink
heat dissipation
partition
heat
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TW99212968U
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Chinese (zh)
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Yu-Cheng Huang
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Onepro Entpr Co Ltd
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Priority to TW99212968U priority Critical patent/TWM393640U/en
Publication of TWM393640U publication Critical patent/TWM393640U/en

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Description

M393.640 五、新型說明: 【新型所屬之技術領域】 [0001] 本創作係有關於一種LED散熱器構造,特別是指於基 座之内部利用一隔板區隔成一相連通之進氣流道及出氣 流道,該進氣流道之容積大於該出氣流道之容積,藉以 能持續產生對流進行熱交換,而提昇散熱效率。 【先前技術】 [0002] 目前一般所使用之LED燈具,其係利用LED元件通電 後發亮,以供作照明之用,但由於該LED元件係為高功率 ,因此在發亮同時也會產生高熱,而長久下來如散熱效 率不佳時,則容易造成LED元件燒毁或縮短其使用壽命, 因此必需另外設有散熱構造,藉以使LED元件可以迅速散 执0 而LED燈具之散熱構造,主要如中華民國99年5月1日 所公告之新型第M379720號「LED散熱結構」專利案,其 係揭露:包括主體、散熱塊、電路板、以及多數LED元件 ;主體係屬於散熱材質且具有一結合孔;散熱塊係結合 於該主體的結合孔内;電路板係設置於該散熱塊底側, 且電路板還電性連接有一電源連接端子;各該LED元件係 電性設置於該電路板底側,各該LED元件乃利用該散熱塊 和主體來散熱;從而使散熱塊同時兼具結合與散熱作用 ,散熱時乃能藉由散熱塊和主體來散熱而大幅提高散熱 效能;由於該專利前案係利用散熱塊及主體進行散熱, 但散熱塊係固定於該主體之内緣,並與該LED元件位於同 一側,因此並無法將外界空氣導引進入產生對流,所以 表單編號A0101 第3頁/共12頁 M393640 其熱能仍然蓄積在主體内緣,以致散熱效率並不佳。 又有中華民國99年6月1日所公開之發明第 201 020460號「發光二極體之散熱結構」專利案,其係 設置有散熱體,而散熱體具有基部,且基部上方固設有 基板,而基板底面為具有電路層,且基板表面設置有一 個或一個以上的透孔,並於基部與基板之間為設置有發 光二極體,該發光二極體為挾持於散熱體與基板之間, 且發光二極體之底座為貼合於基部表面及基板底面,且 發光二極體為與基板底面之電路層呈電性連接,俾使發 光二極體之底座可將發光二極體所發出之熱源,直接傳 導至散熱體,而得以進行散熱;然,如此之構造,由於 其係利用大面積之散熱體及其鰭月,而達到較佳之散熱 效果,但卻也使得其組裝後整個體積變大,極佔據空間 且重量相對增加,因此在使用上非常不理想,難以達到 實用性。 【新型内容】 [0003] 爰此,有鑑於目前LED燈具之散熱效率不佳,或者裝 置散熱構造後使得體積及重量變大,故本創作提供一種 LED散熱器構造,係設有一基座,該基座係設有二端,其 中一端係為固定端,另一端則為開口端,該基座之内部 由開口端向固定端延伸設有一隔板,該隔板係將基座之 内部區隔成一進氣流道及一出氣流道,該進氣流道之容 積大於該出氣流道之容積,又該進氣流道與該出氣流道 於接近固定端之位置處係為相互貫通。 上述隔板至進氣流道相對邊位置之寬度,與該隔板 表單編號A0101 第4頁/共12頁 至出氣流道相對邊位置之寬度比值係為2 : 1。 上述基座之外緣係至少環繞設有一個以上之散熱鰭 片。 上述散熱鰭片係設呈為圓形。 上述固定端上設置螺孔及出線孔。 本創作具有下列之優點: 1. 本創作係於基座之外緣環設有散熱鰭片,藉以可 増加其散熱面積,以加速散熱。 2. 又本創作於基座内部利用一隔板,區隔出容積大 小不同之進氣流道及出氣流道,藉以能大量導引外界之 冷空氣進入,使其持續產生對流進行熱交換,而提昇LED 元件之散熱效率。 3. 本創作之基座組裝完成後’體積相當小不佔據空 間,而且重量輕,故適合狹小空間安裝使用,實用性極 佳。 【實施方式】 [0004] 首先’ s青參閱第一圖及第二圖所示,本創作係設有 一基座(1),其係設呈為中空之圓筒狀,且為導熱效率佳 之材質所製成’該基座(1)之外緣係環繞設有若干圓形之 散熱鰭片(11),又該基座(1)係設有二端,其中一端係為 固定端(12) ’該固定端(12)上設置螺孔(13)及出線孔 (14) ’係分別用以固定LED元件及使其電源線穿伸,該基 座(1)之另一端則為開口端(15) ’於該基座(1)之内部由 開口端(15)向固定端(12)延伸設有一隔板(16)〔如第三 圖所示〕’該隔板(16)係將基座(1)之内部區隔成一進氣 表單編號A0101 第5頁/共12頁 M393640 流道(17 )及一出氣流道(18 ),且該隔板(1 6 )至進氣流道 (Π)相對邊位置之寬度(A),與該隔板(16)至出氣流道 (18)相對邊位置之寬度(B)比值係為2 : 1,使該進氣流 道(17)之容積大於該出氣流道(18)之容積,又該進氣流 道(1Ό與該出氣流道(18)於接近固定端2)之位置處係 為相互貫通。 使用時’如第四圖所示,其係將一具有LED元件(C) 之基板(C1),利用二螺接元件(C2)螺設於該基座(丨)之 螺孔(13)内,而將該基板(C1)固定於該基座(1)之固定 端(12)上,然後再固定有一燈罩((:3)及外殼(C4)〔此皆 為習知構造,茲不贅述〕’當該LED元件(C)發亮後同時 會產生熱能’該熱能則會傳遞到該基座(1)之外緣,由於 該基座(1)之外緣係環設有若干之散熱鰭片(11) ’可以增 加與外界空氣之接觸面積,藉以可迅速散熱;同時該基 座(1)内部所蓄積之熱能,係藉由該進氣流道(17)之容積 大於該出氣流道(18 )之容積,因此可以大量導引外界之 冷空氣進入並產生對流,而與基座產生熱交換,以帶 走其所蓄積之熱能,經過熱交換後之熱空氣則會再由出 氣流道(18)排出,如此,藉由進氣流道(17)及出氣流道 (18)持續產生對流進行熱交換,而可迅速降低LED元件 (c)之溫度,以大幅提昇其散熱效率,而延長led元件 (C)之使用壽命。 惟,以上所述僅為本創作其令之一最佳實施例當 不能以此限定本創作之巾請專_護範圍,舉凡依本創 作之申請專利範圍及說明書内容所作之簡單的等效變化 輿替換’皆應制於本創作巾請專利_所涵蓋保護之 表單编號A0101 第6頁/共丨2頁 M393.640 範圍内* 【圖式簡單說明】 [0005] 第一圖係為本創作基座之立體外觀圖。 第二圖係為本創作基座另一視角之立體外觀圖。 第三圖係為本創作基座之刳視圖。 第四圖係為本創作產生對流進行熱交換之示意圖。 【主要元件符號說明】 [0006] ( 1 ) 基座 (1 1 )散熱鰭片M393.640 V. New Description: [New Technology Field] [0001] This creation relates to an LED heat sink structure, in particular to an internal airflow that is separated by a partition in the interior of the base. The air flow channel has a volume larger than the volume of the air flow path, so that heat exchange can be continuously generated to improve the heat dissipation efficiency. [Prior Art] [0002] At present, LED lamps generally used are illuminated by LED elements for illumination, but since the LED elements are high in power, they are also generated when light is emitted. High heat, and long-term heat dissipation efficiency, it is easy to cause LED components to burn or shorten their service life, so it is necessary to additionally provide a heat dissipation structure, so that LED components can quickly dissipate 0 and the heat dissipation structure of LED lamps, mainly For example, the new M379720 "LED heat dissipation structure" patent case announced by the Republic of China on May 1, 1999, discloses: the main body, the heat sink block, the circuit board, and most of the LED components; the main system is a heat dissipating material and has a a heat dissipation block is coupled to the coupling hole of the main body; a circuit board is disposed on a bottom side of the heat dissipation block, and the circuit board is further electrically connected to a power connection terminal; each of the LED components is electrically disposed on the circuit board On the bottom side, each of the LED elements uses the heat dissipating block and the main body to dissipate heat; so that the heat dissipating block has both a combination and a heat dissipating effect, and the heat dissipating block can be used by the heat dissipating block and the main body. The heat dissipation greatly improves the heat dissipation performance; since the patent uses the heat dissipation block and the main body for heat dissipation, the heat dissipation block is fixed to the inner edge of the main body and is located on the same side as the LED element, so that the outside air cannot be guided. Into the convection, so the form number A0101 page 3 / total 12 pages M393640 its heat still accumulates in the inner edge of the body, so the heat dissipation efficiency is not good. There is also a patent for the "heat-dissipating structure of a light-emitting diode" of the invention disclosed in the Japanese Patent No. 201 020460, which is provided with a heat dissipating body having a base portion and a substrate fixed above the base portion. The bottom surface of the substrate has a circuit layer, and one or more through holes are disposed on the surface of the substrate, and a light emitting diode is disposed between the base and the substrate, and the light emitting diode is held by the heat sink and the substrate. The base of the light-emitting diode is attached to the surface of the base and the bottom surface of the substrate, and the light-emitting diode is electrically connected to the circuit layer of the bottom surface of the substrate, so that the base of the light-emitting diode can be the light-emitting diode. The heat source that is emitted is directly transmitted to the heat sink to be cooled. However, in such a configuration, since it uses a large area of the heat sink and its fins to achieve better heat dissipation, it also makes it assembled. The entire volume becomes large, the space is occupied, and the weight is relatively increased, so that it is very unsatisfactory in use, and it is difficult to achieve practicality. [New content] [0003] In view of the current heat dissipation efficiency of the LED lamp, or the heat dissipation structure of the device makes the volume and weight become larger, the present invention provides an LED heat sink structure, which is provided with a base. The base has two ends, one end of which is a fixed end and the other end of which is an open end, and the inside of the base extends from the open end to the fixed end with a partition which separates the interior of the base The air intake channel and the air flow channel are larger than the volume of the air flow channel, and the air flow channel and the air flow channel are connected to each other at a position close to the fixed end. The width of the position of the partition plate to the opposite side of the intake passage is 2:1 to the width of the partition plate No. A0101 on the fourth side of the flow passage. The outer edge of the pedestal is provided with at least one or more heat dissipating fins. The heat dissipation fins are arranged in a circular shape. A screw hole and an outlet hole are arranged on the fixed end. This creation has the following advantages: 1. This creation is based on the outer edge of the base with heat sink fins to increase the heat dissipation area to accelerate heat dissipation. 2. The creation uses a partition in the interior of the pedestal to separate the inlet and outlet air passages of different sizes, so as to guide the outside of the cold air to enter, so that the convection can be continuously exchanged for heat exchange. Improve the heat dissipation efficiency of LED components. 3. After the pedestal of this creation is assembled, the volume is quite small, does not occupy space, and is light in weight, so it is suitable for installation in a small space and is extremely practical. [Embodiment] [0004] First, as shown in the first figure and the second figure, the creation system is provided with a base (1) which is formed into a hollow cylindrical shape and is a material with good heat conduction efficiency. The outer edge of the base (1) is surrounded by a plurality of circular fins (11), and the base (1) is provided with two ends, one end of which is a fixed end (12) 'The fixed end (12) is provided with a screw hole (13) and an outlet hole (14) for fixing the LED component and extending the power cable thereof, and the other end of the base (1) is an open end. (15) 'A partition (16) is extended from the open end (15) to the fixed end (12) inside the base (1) [as shown in the third figure] 'The partition (16) will be The inner part of the base (1) is divided into an intake form number A0101, page 5 / a total of 12 pages M393640 flow path (17) and an air flow path (18), and the partition (16) to the intake flow path (Π) The width (A) of the relative side position, and the width (B) ratio of the position of the opposite side of the partition (16) to the air flow path (18) is 2: 1, so that the intake flow path (17) The volume is greater than the volume of the outlet air passage (18) Should the intake air path at a position (1Ό the outlet channel (18) proximate to the fixed end 2) of the interconnected system. When used, as shown in the fourth figure, a substrate (C1) having an LED element (C) is screwed into the screw hole (13) of the base (丨) by a two-screw element (C2). And fixing the substrate (C1) to the fixed end (12) of the base (1), and then fixing a lamp cover ((:3) and a casing (C4)) (all of which are conventional structures, no further description 〕 'When the LED element (C) is illuminated, heat is generated at the same time'. The heat energy is transmitted to the outer edge of the base (1), and the outer edge of the base (1) is provided with a plurality of heat dissipation. The fin (11)' can increase the contact area with the outside air, thereby rapidly dissipating heat; and the heat energy accumulated inside the base (1) is greater than the outflow by the volume of the intake runner (17) The volume of the channel (18), so that a large amount of cold air can be introduced into the outside and convection can be generated, and heat exchange with the susceptor can take away the heat energy accumulated therein, and the hot air after the heat exchange will be discharged again. The air flow passage (18) is discharged, so that the heat exchange of the convection is continuously generated by the intake flow passage (17) and the outlet air passage (18), and Speed down the temperature of the LED component (c) to greatly improve its heat dissipation efficiency and prolong the service life of the LED component (C). However, the above description is only one of the best embodiments of the present invention. The scope of this creation should be specifically protected, and the simple equivalent change made by the scope of the patent application and the contents of the manual of the creation should be replaced by the patent form _ covered by the protection form No. A0101 6 pages/total 2 pages M393.640 In-range* [Simple description of the drawing] [0005] The first picture is the three-dimensional appearance of the creation base. The second picture is the three-dimensional view of the creation base. The third picture is a view of the base of the creation. The fourth picture is a schematic diagram of the heat exchange of the convection in this creation. [Main component symbol description] [0006] (1) The base (1 1 ) heat dissipation Fin

(1 2)固定端 (1 3)螺孔 (1 4)出線孔 (1 5 )開口端 (16)隔板 (17)進氣流道 (1 8)出氣流道 (A) 隔板至進氣流道相對邊位置之寬度 (B) 隔板至出氣流道相對邊位置之寬度(1 2) fixed end (1 3) screw hole (1 4) outlet hole (1 5 ) open end (16) partition (17) intake flow path (18) air flow path (A) partition to Width of the opposite side of the inlet air passage (B) Width of the partition to the opposite side of the airflow passage

(C ) L E D元件 (C 1 )基板 (C 2)螺接元件 (C 3 )燈罩 (C 4)外殼 表單编號A0101 第7頁/共12頁(C) L E D component (C 1 ) substrate (C 2) screw component (C 3 ) lamp cover (C 4) case Form No. A0101 Page 7 of 12

Claims (1)

M393640 :、申請專利範圍: 1 . 一種LED散熱器構造,其係設有一基座,該基座係設有二 端,其中一端係為固定端,另一端則為開口端,該基座之 内部由開口端向固定端延伸設有一隔板,該隔板係將基座 之内部區隔成一進氣流道及一出氣流道,該進氣流道之容 積大於該出氣流道之容積,又該進氣流道與該出氣流道於 接近固定端之位置處係為相互貫通。 2 .如申請專利範圍第1項所述LED散熱器構造,其中,該隔 板至進氣流道相對邊位置之寬度,與該隔板至出氣流道相 對邊位置之寬度比值係為2 : 1。 3 .如申請專利範圍第1或2項所述LED散熱器構造,其中,該 基座之外緣係至少環繞設有一個以上之散熱鰭片。 4 .如申請專利範圍第3項所述LED散熱器構造,其中,該散 熱鰭片係設呈為圓形。 5 .如申請專利範圍第4項所述LED散熱器構造,其中,該固 定端上設置螺孔及出線孔。 099212968 表單編號A0101 第8頁/共12頁 0992039365-0M393640: Patent Application Range: 1. An LED heat sink structure is provided with a base having two ends, one end of which is a fixed end and the other end of which is an open end, the inside of the base a partition extending from the open end to the fixed end, the partition partitioning the inner portion of the base into an intake flow passage and an outlet air passage, the volume of the intake flow passage being larger than the volume of the outlet air passage, The intake flow passage and the outlet air passage are connected to each other at a position close to the fixed end. 2. The LED heat sink structure according to claim 1, wherein a width ratio of the partition to the opposite side of the intake runner and a width of the partition to the airflow passage are 2: 1. 3. The LED heat sink construction of claim 1 or 2, wherein the outer edge of the base is provided with at least one or more heat dissipating fins. 4. The LED heat sink structure of claim 3, wherein the heat sink fins are circular. 5. The LED heat sink structure of claim 4, wherein the fixing end is provided with a screw hole and a wire exit hole. 099212968 Form No. A0101 Page 8 of 12 0992039365-0
TW99212968U 2010-07-07 2010-07-07 Structure of LED heat dissipation device TWM393640U (en)

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