WO2011090231A1 - Dissipateur thermique pour dispositif d'éclairage - Google Patents

Dissipateur thermique pour dispositif d'éclairage Download PDF

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Publication number
WO2011090231A1
WO2011090231A1 PCT/KR2010/000485 KR2010000485W WO2011090231A1 WO 2011090231 A1 WO2011090231 A1 WO 2011090231A1 KR 2010000485 W KR2010000485 W KR 2010000485W WO 2011090231 A1 WO2011090231 A1 WO 2011090231A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat sink
fixing plate
coupling
shape
coupling portion
Prior art date
Application number
PCT/KR2010/000485
Other languages
English (en)
Korean (ko)
Inventor
권병일
Original Assignee
Kwon Byeng-Il
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kwon Byeng-Il filed Critical Kwon Byeng-Il
Publication of WO2011090231A1 publication Critical patent/WO2011090231A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element

Definitions

  • the present invention relates to a heat sink for a light emitting lamp, and more particularly, to a heat sink for a light emitting lamp that can firmly fix the shape of the heat sink and maximize heat dissipation efficiency while improving the assembly and disassembly of the heat sink.
  • heat sinks are mounted on heat-generating parts installed in electric and electronic products to release heat generated from heat-generating parts to the outside to prevent damage or malfunction of the product by working with heat generated inside the product.
  • Device In general, heat sinks are mounted on heat-generating parts installed in electric and electronic products to release heat generated from heat-generating parts to the outside to prevent damage or malfunction of the product by working with heat generated inside the product.
  • Heat sinks have been used in various fields, and recently, their use has been extended to LED lightings, which are being spotlighted as next generation lightings as well as economic advantages such as long life and low power driving.
  • FIG. 1 is an exploded perspective view of a heat sink assembly 100 for lighting using a conventional LED.
  • a plurality of plate-shaped heat sink unit 110 is laminated in the thickness direction to form a generally cylindrical shape, the center fixing portion for supporting each heat sink unit 110 in a cylindrical shape in the inner cavity of the cylinder 111 is provided.
  • the heat sink assembly 100 was assembled by fixing the fixing plates 115 and 117 and mounting the circuit board 150 on which the LED element 160 is mounted on the upper fixing plate 115.
  • each heat sink unit 110 is fixed to the central fixing part 111 through a silicone adhesive, it is not easy to maintain the cylindrical shape firmly. Therefore, for this purpose, since the reinforcing ring 140 as shown in FIG.
  • the heat sink assembly 100 as described above has a problem in that it is not possible to perform uniform plating as a whole because of low reliability of thermal conductivity and electrical conductivity. Therefore, in order to perform the plating operation, before the assembly of the heat sink is completed, the heat sink unit 110 is fixed by using a fixture for plating separately, and after performing the plating operation, first release the fixture again and then assembling work. Had to do. Therefore, there is a problem that the plating and assembly process is complicated.
  • the heat sink assembly 100 described above has a problem that the circulation of the cooling air for heat exchange is not easy because the internal cavity is filled by the central fixing portion 111. That is, for effective heat dissipation, the heat transferred to each heat sink unit 110 should exchange heat with the cooling air. For this purpose, the cooling air should be well circulated to the center portion of the heat sink assembly 100. However, since the center of the heat sink assembly 100 is filled by the central fixing part 111, since the cooling air blown from the outside does not pass through the cylinder, heat exchange is not easy, and thus heat dissipation efficiency is deteriorated.
  • the present invention provides a heat sink for a light emitting lamp that is easy to assemble and disassemble the heat sink while maintaining the reliability of electrical conductivity and thermal conductivity by directly contacting the heat source and each heat sink unit.
  • Another object of the present invention is to provide a heat sink for a light emitting lamp that can maintain the cylindrical shape without a separate reinforcing member.
  • another object of the present invention is to provide a heat sink for a light emitting lighting sphere that can be circulated in the cooling air is effectively made because the cylindrical inner cavity is maintained.
  • a plurality of heat sink units having a plate shape and sequentially stacked in the thickness direction to form a tubular shape having a cavity inside as a whole correspond to upper and lower ends of the cylindrical shape.
  • a first coupling part and a second coupling part formed on either side of each of the heat sink units, each of which includes a groove or a protrusion;
  • a first fixing plate having a third coupling part coupled to each of the first coupling parts, and coupled to the tubular upper end part;
  • a second fixing plate having a fourth coupling part coupled to the second coupling part and coupled to the tubular lower end;
  • the heat sink unit includes a central portion located inside the tubular shape, and a heat dissipation wing extending from the central portion in the tubular outward direction and extending from the central portion, wherein the first coupling portion includes the central portion.
  • the second coupling portion may be formed on the lower side of the central portion, respectively.
  • the first coupling portion and the second coupling portion are formed in a groove shape at the same position of each heat sink unit to form a circular groove as a whole, and the third coupling portion and the third coupling portion Four coupling portions may be provided in a ring shape correspondingly.
  • the first coupling portion and the second coupling portion may be provided in any one of a quadrangular, triangular or circular shape, and the third coupling portion and the fourth coupling portion may be provided in a shape corresponding thereto.
  • the fastening member may be provided with a fastening screw, and a fastening hole may be provided at the center of the first fixing plate and the second fixing plate.
  • the fastening member is integrally provided with any one of the first fixing plate or the second fixing plate and extends toward the other, and the other of the first fixing plate or the second fixing plate is provided with a coupling hole to which the end of the fastening member is coupled. Can be.
  • At least one of an upper side or a lower side of the central portion may be formed with a bent portion extending from the central portion to the neighboring central portion so that each central portion may be in surface contact with the first fixing plate or the second fixing plate.
  • a plurality of heat dissipation holes may be formed in at least one of the first fixing plate, the second fixing plate, or the heat sink unit.
  • At least one of the first fixing plate or the second fixing plate is formed with a protrusion corresponding to the shape of the cavity, and at least one of the upper portion or the lower portion of the central portion is formed with a protrusion receiving groove corresponding to the protrusion, wherein each fixing plate is When combined, each heat sink unit may maintain a cylindrical shape.
  • the fastening member may be provided with a rod-shaped connecting portion provided between the first fixing plate and the second fixing plate, and a fastening screw which is fastened to both ends of the connecting portion through the fixing plates.
  • FIG. 1 is an exploded perspective view of a heat sink for a conventional light emitting fixture
  • FIG. 2 is an exploded perspective view of a heat sink for a light emitting fixture according to an embodiment of the present invention
  • FIG. 3 is a cross-sectional view of a heat sink for a light emitting fixture according to an embodiment of the present invention
  • FIG. 4 is a cross-sectional view of a heat sink for a light emitting fixture according to another embodiment of the present invention.
  • FIG. 5 to 7 are cross-sectional views showing various embodiments of the first coupling portion according to the present invention.
  • FIGS. 8 to 10 are cross-sectional views of a fastening member according to various embodiments of the present disclosure.
  • a heat sink 1 for a light emitting fixture includes a heat sink unit 10, a first fixing plate 31, a second fixing plate 33, and a fastening member ( 50).
  • the heat sink unit 10 has a plate shape and is sequentially stacked in the thickness direction to form a cylindrical shape having a cavity 2 as a whole.
  • the cylindrical shape may be a circular cylinder as shown in Figure 2, or may be a polygonal cylinder shape such as a square cylinder.
  • a circular cylindrical shape will be described as an example.
  • a method of stacking each heat sink unit in a cylindrical shape may be used in various ways, for example, the method disclosed in Korean Patent Registration No. 932855 previously filed and registered by the applicant of the present application may be used.
  • the heat sink unit 10 includes a central portion 11 positioned inside the tubular shape and a heat dissipation area extending from the central portion 11 in the tubular outward direction. It includes a heat dissipation wing (13).
  • the first coupling part 41 and the second coupling part 42 provided with any one of grooves or protrusions are formed on both sides of each heat sink unit 10 corresponding to both upper and lower ends of the cylindrical shape.
  • each heat sink unit 10 can be firmly maintained in a cylindrical shape without a separate reinforcing member.
  • the first coupling part 41 and the second coupling part 42 may be provided in any one of a groove or a protrusion, for example, as shown in FIG. 3, and may be provided in a groove shape. As shown in Figure 4, it may be provided in a projection shape.
  • first coupling part 41 may be provided in a groove shape
  • second coupling part 42 may be provided in a different shape such as a protrusion shape
  • shape of the first coupling portion 41 formed in each heat sink unit 10 may be different.
  • the shapes of the third coupling part 43 and the fourth coupling part 44 are provided in a shape corresponding to the corresponding shape.
  • first coupling part 41 and the second coupling part 42 are also variously provided, such as a quadrangle 41a, a triangle 41b, a circle 41c, and the like. Of course it can be.
  • first coupling part 41 and the third coupling part 43, and the second coupling part 42 and the fourth coupling part 44 are coupled to each other so that the first fixing plate 31 and the second fixing plate ( 33), as long as the heat sink units 10 can firmly fix the cylindrical shape, there is no particular limitation on the shape of each coupling portion.
  • the first coupling portion 41 is formed above the central portion 11, and the second coupling portion 42 is formed below the central portion 11.
  • the first coupling part 41 and the second coupling part 42 are formed in a groove shape at the same position of each heat sink unit body 10 to form a circular groove as a whole.
  • the third coupling portion 43 and the fourth coupling portion 44 may be provided in a ring shape correspondingly.
  • the heat sink unit 10 has the same shape, so that the production As well as this, as shown in Figure 2, after forming a cylindrical shape, since the first coupling portion 41 or the second coupling portion 42 has a certain shape such as a circle, the third coupling portion 43 And since the fourth coupling portion 44 is made to have a ring shape corresponding to this, there is an advantage that the assembly is easy.
  • each central portion 11 may be formed bent portion 12a extending from the central portion 11 to the adjacent central portion (11).
  • the bent portion 12a is in surface contact with the first fixing plate 31 or the second fixing plate 33 to effectively transfer heat.
  • the first fixing plate 31 has a third coupling portion 43 coupled to the first coupling portion 41 and is coupled to the cylindrical upper end portion.
  • the circuit board 150 on which the LED device 160 is mounted is mounted on the first fixing plate 31.
  • the second fixing plate 33 has a fourth coupling portion 44 coupled to the second coupling portion 42 and is coupled to the lower end of the cylindrical shape.
  • At least one of the first fixing plate 31 or the second fixing plate 33 is formed with a protrusion 45 corresponding to the shape of the cavity 2 as shown in FIG.
  • At least one of the upper and lower portions may include a protrusion receiving groove 12b corresponding to the protrusion 45.
  • a plurality of heat dissipation holes 4 may be formed in at least one of the first fixing plate 31, the second fixing plate 33, or the heat sink unit 10.
  • the fastening member 50 fastens and fixes the first fixing plate 31 and the second fixing plate 33 to each other while the cavity 2 is maintained so that each heat sink unit 10 maintains a cylindrical shape.
  • each heat sink unit 10 moves in the cylindrical axis direction. Is limited by the respective fixing plates 31 and 35, the movement in the radial direction is limited by the engaging portions 41, 42, 43 and 44, and the movement in the circumferential direction is limited by the bent portion 12a. Therefore, the cylindrical shape can be maintained firmly.
  • Fastening member 50 may be provided in various ways, for example, as shown in Figure 3, may be provided with a fastening screw 51, in this case, the first fixing plate 31 and the second fixing plate ( A fastening hole 52 may be provided at the center of 33.
  • the fastening member 50 may be provided integrally with one of the first fixing plate 31 or the second fixing plate 33 to extend toward the other.
  • the other of the first fixing plate 31 or the second fixing plate 33 is provided with a coupling hole 53 to which the end of the fastening member 50 'is coupled, the first fixing plate 31 and the second fixing plate
  • the fastening member 50 ′ can be fastened by rotating either one of the first fixing plate 31 or the second fixing plate 33 in a state where the fastening member 50 ′ is inserted into the fastening hole 52.
  • the center of one of the first fixing plate 31 or the second fixing plate 33 may be extended through the other, and then may be fastened using the fastening member 50.
  • a rod-shaped connecting portion 55 is provided between the first fixing plate 31 and the second fixing plate 33, and the fastening screw 51 passes through each of the fixing plates 31 and 33. It can also be fastened to both ends of the connecting portion (55).
  • the fastening member 50 occupies only a part of the cavity 2 and most of the cavity 2 is maintained as it is. Accordingly, the cooling air introduced from one side of the cylinder can pass straight through the cavity 2 of the cylinder in the other direction.
  • each heat sink unit 10 is laminated
  • the lamination method may be manually connected to each of the heat sink unit 10, the method disclosed in the aforementioned patent registration No. 932855 may be used.
  • the first fixing plate 31 and the second fixing plate 33 are mounted to each other at upper and lower ends of the tubular body.
  • the protrusion 45 is seated in the protrusion receiving groove 12b and aligned in a perfect cylindrical shape, and at the same time, the first coupling portion 41 and the third coupling portion 43 are formed, and the second coupling portion 42 is provided. And the fourth coupling part 44 are coupled.
  • an electrical and thermally conductive adhesive may be further applied between the upper portion of the central portion 11 and the first fixing plate 31 or between the lower portion of the central portion 11 and the second fixing plate 33.
  • the protrusion 45 and the protrusion receiving groove 12b may not be formed.
  • the first and second fixing plates may be fastened and fastened with a fastening member to the tubular heat sink unit configuration, thereby facilitating assembly and disassembly of the heat sink.
  • the first and second fixing plates may be fastened and fastened by fastening members to the cylindrical heat sink unit configuration, thereby facilitating assembly and disassembly of the heat sink.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention concerne un dissipateur thermique pour un dispositif d'éclairage, comprenant une pluralité d'unités de dissipation thermique, une première plaque de fixation, une seconde plaque de fixation, et un élément de couplage. Les unités de dissipation thermique sont en forme de plaques et sont disposées séquentiellement dans le sens de l'épaisseur de chaque unité de dissipation thermique afin de former ensemble une forme de fût ayant un intérieur creux. Les deux côtés de chaque unité de dissipation thermique, correspondant aux extrémités supérieure et inférieure de la forme de fût, comportent une première pièce de couplage et une deuxième pièce de couplage, respectivement. Les première et deuxième pièces de couplage consistent en un renfoncement ou une protubérance. La première plaque de fixation comprend une troisième pièce de couplage couplée à chaque première pièce de couplage, et est couplée à l'extrémité supérieure de la forme de fût. La seconde plaque de fixation comprend une quatrième pièce de couplage couplée à la deuxième pièce de couplage, et est couplée à l'extrémité inférieure de la forme de fût. L'élément de couplage relie les première et seconde plaques de fixation, la forme de l'intérieur creux étant maintenue de sorte que les unités de dissipation thermique maintiennent de façon fiable la forme de fût. Ainsi, l'assemblage et le démontage du dissipateur thermique sont facilités, la forme de fût est maintenue de façon fiable sans renforts, et de l'air frais circule efficacement afin de maximiser l'efficacité de la dissipation thermique.
PCT/KR2010/000485 2010-01-19 2010-01-27 Dissipateur thermique pour dispositif d'éclairage WO2011090231A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100004681A KR101047757B1 (ko) 2010-01-19 2010-01-19 발광조명구용 히트싱크
KR10-2010-0004681 2010-01-19

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WO2011090231A1 true WO2011090231A1 (fr) 2011-07-28

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WO (1) WO2011090231A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103575150A (zh) * 2012-08-01 2014-02-12 奇鋐科技股份有限公司 散热器结构及其制造方法

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KR101136975B1 (ko) * 2011-08-16 2012-04-19 이화진 방열천공이 형성된 방열수단을 구비한 ｌｅｄ램프
KR101529546B1 (ko) * 2013-08-30 2015-06-17 주식회사 엠티티 제조가 용이한 ｌｅｄ 조명장치의 ｌｅｄ 조명냉각장치
WO2014204242A1 (fr) * 2013-06-20 2014-12-24 주식회사 엠티티 Dispositif de refroidissement d'éclairage à led
KR101514555B1 (ko) * 2013-10-22 2015-04-23 민광기 방열구조가 구비된 엘이디등 및 그 조립 방법
KR101560700B1 (ko) * 2013-10-22 2015-10-16 민광기 엘이디등의 방열향상을 위한 방열구조
KR101521976B1 (ko) * 2014-09-26 2015-05-20 (주)신흥티앤엘 접착제로 결합되는 엘이디 램프 및 이의 제조 방법
CN105135251B (zh) * 2015-08-28 2017-12-01 中山市淇乐轩电器有限公司 一种带可展开散热器的筒灯

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0914879A (ja) * 1995-04-26 1997-01-17 Hino Motors Ltd 放熱フィンの取付構造
JP2001135756A (ja) * 1999-11-02 2001-05-18 Tdk Corp 冷却フィン
KR20090002874A (ko) * 2007-07-04 2009-01-09 주식회사 디지탈파이오스 전자부품 냉각장치
KR20090029970A (ko) * 2007-09-19 2009-03-24 하바텍 코포레이션 고효율 방열 기능을 가지는 발광 다이오드 램프 구조체 및어셈블리
KR100933990B1 (ko) * 2009-05-20 2009-12-28 주식회사 파인테크닉스 다운 램프용 발광다이오드형 조명등

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0914879A (ja) * 1995-04-26 1997-01-17 Hino Motors Ltd 放熱フィンの取付構造
JP2001135756A (ja) * 1999-11-02 2001-05-18 Tdk Corp 冷却フィン
KR20090002874A (ko) * 2007-07-04 2009-01-09 주식회사 디지탈파이오스 전자부품 냉각장치
KR20090029970A (ko) * 2007-09-19 2009-03-24 하바텍 코포레이션 고효율 방열 기능을 가지는 발광 다이오드 램프 구조체 및어셈블리
KR100933990B1 (ko) * 2009-05-20 2009-12-28 주식회사 파인테크닉스 다운 램프용 발광다이오드형 조명등

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103575150A (zh) * 2012-08-01 2014-02-12 奇鋐科技股份有限公司 散热器结构及其制造方法

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