WO2013063963A1 - Dissipateur de chaleur et dispositif d'éclairage le comportant - Google Patents

Dissipateur de chaleur et dispositif d'éclairage le comportant Download PDF

Info

Publication number
WO2013063963A1
WO2013063963A1 PCT/CN2012/079122 CN2012079122W WO2013063963A1 WO 2013063963 A1 WO2013063963 A1 WO 2013063963A1 CN 2012079122 W CN2012079122 W CN 2012079122W WO 2013063963 A1 WO2013063963 A1 WO 2013063963A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat
heat sink
heat dissipation
base
heat dissipating
Prior art date
Application number
PCT/CN2012/079122
Other languages
English (en)
Chinese (zh)
Inventor
黄硕
Original Assignee
深圳市电明科技有限责任公司
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 深圳市电明科技有限责任公司 filed Critical 深圳市电明科技有限责任公司
Publication of WO2013063963A1 publication Critical patent/WO2013063963A1/fr

Links

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
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention belongs to the field of LED technology, and in particular relates to a heat sink and an illumination device having the same. Background technique
  • FIG. 1 is a schematic structural view of the prior art LED lamp radiator, and the surface-shaped heat dissipating teeth 1 of the radiator are first formed by the aluminum extrusion profile surface. Then, through the later machine forming, the LED bulb 2 is disposed in the heat dissipating tooth 1.
  • the structure of the prior art LED heat sink has the following problem: The radiator needs to occupy most of the volume of the whole lamp, and is limited in size. The bubble source is low in space utilization, which limits the function. At the same time, the cross section of the radiator is too large to block the light reflected and refracted toward the rear of the lamp.
  • the object of the present invention is to provide a heat sink, which aims to solve the problem that the existing LED bulb light source heat dissipation device is too large, the heat dissipation efficiency is not high, and the backward light is blocked. It is not easy to clean, the tip of the radiator is sharp, and the safety is poor.
  • the present invention is achieved by a heat sink comprising a heat dissipating tooth and a heat dissipating base, wherein the heat dissipating base is a columnar body, and the heat dissipating tooth is radially extended along an outer wall surrounding the first surface of the heat dissipating base.
  • the heat dissipating tooth edge is a closed structure, and the heat dissipating teeth are provided with a plurality of heat dissipating holes.
  • the distance from the heat dissipating tooth to the central axis gradually increases along the radial extension direction thereof.
  • the heat dissipating tooth is an integrated cast molding structure.
  • the heat dissipation hole includes a first heat dissipation hole and a second heat dissipation hole, and the first heat dissipation hole and the second heat dissipation hole are disposed adjacent to each other.
  • the heat dissipating teeth comprise at least three elliptical shapes, and two elliptical shapes spaced apart from each other are circumscribed along a common tangent line with the adjacent elliptical inner shape between the two elliptical shapes, the first The louver and the second louver are formed by at least three elliptical interactions.
  • a joint portion for mounting the lamp cover is radially extended along a periphery of the outer wall of the first surface of the heat dissipation base, and an end surface of the joint portion is convexly disposed on the first surface of the heat dissipation base, and the joint portion is The inner diameter is slightly larger than the diameter of the heat sink base.
  • the heat sink further comprises an insulating spacer mounting structure along the second surface of the heat dissipation base, wherein the insulating spacer mounting structure is a card slot.
  • the heat dissipation base is provided with a first positioning hole, a second positioning hole and a wire hole.
  • Another object of the present invention is to provide a lighting device including a heat sink, a lamp cap and an insulating spacer, and an aluminum substrate, wherein the insulating spacer is inserted into the card slot at one end, and the insulating spacer The other end surface is provided with a thread matching the lamp cap, and the lamp cap and the heat sink are insulated The spacer is fixedly connected, and the aluminum substrate is fixedly connected to the heat sink, and the heat sink is the aforementioned heat sink.
  • the lighting device further includes a lamp cover, and the lamp cover and the heat sink are fastened and connected by a joint portion disposed on the heat sink.
  • the lighting device is an LED bulb device.
  • the technical solution disclosed by the invention reduces the volume of the heat sink and increases the light design space in the case of effectively solving the heat dissipation of the high-power LED lamp.
  • the problem that the radiator occludes the rear part of the light is solved, so that the illumination angle of the whole lamp is larger.
  • the closed strip radiator design solves the safety hazard caused by the sharp angle of the radiator itself while solving the dust cleaning.
  • the appearance of the heat sink provided by the invention is also relatively beautiful.
  • FIG. 1 is a schematic structural view of an LED heat sink provided by the prior art
  • FIG. 2 is a schematic structural view of a heat sink according to an embodiment of the present invention.
  • Figure 3 is a cross-sectional view of Figure 2;
  • FIG. 4 is a schematic structural view of a lighting device according to an embodiment of the present invention.
  • FIG. 3 is a cross-sectional view of FIG. 2.
  • a heat sink disclosed in this embodiment includes a heat dissipating tooth 1 and a heat dissipating base 7.
  • the heat dissipation base 7 is a columnar body having a circular cross section, and the heat dissipation base 7 is provided with a first positioning hole 2, and the heat sink is separated from the insulation.
  • a second positioning hole 6 is further disposed on the heat dissipation base for connecting the aluminum substrate and the heat sink, and heat conduction is achieved by filling a gap between the aluminum substrate by a layer of thermal conductive silica gel or a grease pad. The heat on the aluminum substrate is well introduced into the heat sink.
  • the heat dissipation base 7 has a wire hole 4.
  • the outer wall of the first surface of the first surface is radially extended, and the edge of the heat dissipating tooth 1 is a closed structure, and the plurality of first heat dissipation holes 101 and the second heat dissipation holes 102 are disposed on the heat dissipating teeth 1.
  • the first heat dissipation holes 101 and the second heat dissipation holes 102 are disposed adjacent to each other.
  • the distance from the heat dissipating tooth 1 to the central axis of the heat sink base 7 gradually increases in the direction in which it extends in the radial direction.
  • the heat dissipating tooth 1 includes at least three elliptical shapes, and two elliptical shapes spaced apart from each other are tangent to the common ellipsoid inside the adjacent elliptical shape between the two elliptical shapes, the first heat dissipating hole 101 and the second heat dissipating hole 102 is formed by at least three elliptical interactions.
  • six alternating elliptical shapes are preferably provided on the heat dissipating teeth.
  • the overall shape of the heat dissipating teeth 1 is in the shape of a flower basket. Moreover, the heat dissipating teeth 1 are integrally formed by a casting process.
  • a joint portion 5 for mounting the lamp cover is disposed radially around the outer wall of the first surface of the heat dissipation base 7.
  • the end surface of the joint portion 5 is convexly disposed on the first surface of the heat dissipation base 7, and the inner diameter of the joint portion 5 is slightly larger than The diameter of the heat dissipation base 7.
  • An insulating spacer mounting structure 8 is disposed along the second surface of the heat sink base 7. Generally, the insulating spacer mounting structure 8 is a card slot.
  • the heat sink in this embodiment is used in combination with an LED lamp.
  • the LED lamp is mounted on the aluminum substrate, and the aluminum substrate is fixed on the heat dissipation base of the heat sink.
  • the joint on the LED can be used to install the lamp cover.
  • the light is broken up. Make the light soft and even.
  • the lampshade and the heat sink are connected by a threaded structure, which is easy to clean and replace. At the same time, it can also be glued and bonded to the glass lampshade.
  • the heat dissipating tooth 1 has a hollow structure, and the rear light can pass through a large area. Solve the problem that most ordinary LED bulbs are blocked by the radiator, there is no light behind the lamp, the background is too dark, and the front is too bright. happening. At the same time, the section of the heat dissipating tooth 1 tends to be elliptical, and the appearance is simple, which is convenient for cleaning. The entire radiator has no sharp corners, ensuring the safety of use and installation.
  • the lighting device disclosed in the present invention comprises a lamp cap A, an insulating spacer B, a heat sink C, and an aluminum substrate D.
  • the structure of the heat sink C has been described in detail in the previous embodiment, and details are not described herein.
  • the insulating spacer B-end is inserted into the slot of the heat sink C, and the other end surface is provided with a thread matched with the lamp cap A.
  • the lamp cap A and the heat sink C are fixedly connected by the insulating spacer B, and the aluminum substrate D passes the second positioning.
  • the hole 6 is fixedly connected to the heat sink.
  • the LED lamp is mounted on the aluminum substrate.
  • a lamp cover E can be arranged on the lighting device.
  • the lampshade E and the heat sink C are fastened by a joint provided on the heat sink, for example, by screwing, or by glue bonding, and of course, by other means. .
  • the proportion of the traditional heat sink occupying the entire lamp volume is excessively large, the shading, the sharp corner of the appearance are sharp, the mechanical processing is complicated, and the like. Provides strong support for better light design for light source lighting products.

Landscapes

  • 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 porte sur un dissipateur de chaleur (C), lequel dissipateur comprend une base de dissipation de chaleur (7) et une dent de dissipation de chaleur (1). La base de dissipation de chaleur (7) est un corps en colonne. La dent de dissipation de chaleur (1) est réalisée par extension radiale le long de la paroi externe entourant une première surface de la base de dissipation de chaleur (7). Le bord de la dent de dissipateur de chaleur (1) est une structure fermée et la dent de dissipation de chaleur (1) comporte sur celle-ci une pluralité de trous de dissipation de chaleur (101, 102). L'invention porte également sur un dispositif d'éclairage qui comprend le dissipateur de chaleur (C). Le dissipateur de chaleur (C) est de petit volume et n'arrête pas les rayons lumineux émis par le dispositif d'éclairage vers l'arrière, et est de structure simple, pratique et d'utilisation sûre avec de bons effets de dissipation de chaleur.
PCT/CN2012/079122 2011-10-31 2012-07-25 Dissipateur de chaleur et dispositif d'éclairage le comportant WO2013063963A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2011204244810U CN202281200U (zh) 2011-10-31 2011-10-31 散热器及具有该散热器结构的照明装置
CN201120424481.0 2011-10-31

Publications (1)

Publication Number Publication Date
WO2013063963A1 true WO2013063963A1 (fr) 2013-05-10

Family

ID=46227367

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/079122 WO2013063963A1 (fr) 2011-10-31 2012-07-25 Dissipateur de chaleur et dispositif d'éclairage le comportant

Country Status (2)

Country Link
CN (1) CN202281200U (fr)
WO (1) WO2013063963A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202281200U (zh) * 2011-10-31 2012-06-20 深圳市电明科技有限责任公司 散热器及具有该散热器结构的照明装置
CN104864315A (zh) * 2015-06-08 2015-08-26 河南巴拉斯光电科技有限公司 Led球泡灯

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201251153Y (zh) * 2008-07-02 2009-06-03 宁翔科技股份有限公司 Led灯的散热结构
CN201884978U (zh) * 2010-09-29 2011-06-29 元品晶钻照明科技股份有限公司 改进的led灯泡的结构
JP2011181384A (ja) * 2010-03-02 2011-09-15 Axia Co Ltd 照明器具
CN202012866U (zh) * 2011-01-18 2011-10-19 厦门立明光电有限公司 一种螺纹连接棘爪防脱灯头
WO2011132500A1 (fr) * 2010-04-19 2011-10-27 シャープ株式会社 Dispositif de dissipation de chaleur et dispositif d'éclairage
CN202281200U (zh) * 2011-10-31 2012-06-20 深圳市电明科技有限责任公司 散热器及具有该散热器结构的照明装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201251153Y (zh) * 2008-07-02 2009-06-03 宁翔科技股份有限公司 Led灯的散热结构
JP2011181384A (ja) * 2010-03-02 2011-09-15 Axia Co Ltd 照明器具
WO2011132500A1 (fr) * 2010-04-19 2011-10-27 シャープ株式会社 Dispositif de dissipation de chaleur et dispositif d'éclairage
CN201884978U (zh) * 2010-09-29 2011-06-29 元品晶钻照明科技股份有限公司 改进的led灯泡的结构
CN202012866U (zh) * 2011-01-18 2011-10-19 厦门立明光电有限公司 一种螺纹连接棘爪防脱灯头
CN202281200U (zh) * 2011-10-31 2012-06-20 深圳市电明科技有限责任公司 散热器及具有该散热器结构的照明装置

Also Published As

Publication number Publication date
CN202281200U (zh) 2012-06-20

Similar Documents

Publication Publication Date Title
WO2014135051A1 (fr) Éclairage d'angle à del
WO2011147149A1 (fr) Dispositif de dissipation de chaleur pour ampoule à del et ampoule à del présentant une dissipation de chaleur élevée
CN103206695A (zh) 一种led灯的散热外壳
CN204176515U (zh) 带风扇的新型汽车led节能大灯
CN201599678U (zh) 一种led筒灯
CN201935087U (zh) 一种led天花灯
TWM487221U (zh) 車燈裝置
WO2013063963A1 (fr) Dissipateur de chaleur et dispositif d'éclairage le comportant
TWM441088U (en) Side-mounted rotating lights
CN205535307U (zh) 基于高散热基板及一体封装技术的高功率投光led光引擎
CN209484296U (zh) 一种能拼装led灯
CN103398346A (zh) Led地埋灯
CN207162322U (zh) 水族圆柱形led吊灯
CN202203719U (zh) 一种贴片式led日光灯
US20140177225A1 (en) Novel led lamp
CN204986477U (zh) 一种大功率球泡灯
CN210153663U (zh) 一种高效散热型筒灯
CN213272259U (zh) Led灯散热结构及led灯
CN209130671U (zh) 一种大型场馆筒灯
CN208967569U (zh) 投光灯外壳
CN210532093U (zh) 一种新型的集成式led灯的散热灯头
CN101818868A (zh) 一种灯泡形状的led灯
CN102022652A (zh) Led灯
CN207962391U (zh) 一种大功率led路灯
CN206504302U (zh) 一种方便散热的led投光灯

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12845872

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 14/10/2014)

122 Ep: pct application non-entry in european phase

Ref document number: 12845872

Country of ref document: EP

Kind code of ref document: A1