WO2011011986A1 - Led灯具 - Google Patents

Led灯具 Download PDF

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Publication number
WO2011011986A1
WO2011011986A1 PCT/CN2010/070367 CN2010070367W WO2011011986A1 WO 2011011986 A1 WO2011011986 A1 WO 2011011986A1 CN 2010070367 W CN2010070367 W CN 2010070367W WO 2011011986 A1 WO2011011986 A1 WO 2011011986A1
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WO
WIPO (PCT)
Prior art keywords
led lamp
lamp
heat
led
fixing seat
Prior art date
Application number
PCT/CN2010/070367
Other languages
English (en)
French (fr)
Inventor
童国峰
林华传
Original Assignee
Tung Kuo-Feng
Lin Sam
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
Priority claimed from CN2009201824319U external-priority patent/CN201487857U/zh
Priority claimed from CN200920183377XU external-priority patent/CN201621549U/zh
Priority claimed from CN2009201833765U external-priority patent/CN201521862U/zh
Application filed by Tung Kuo-Feng, Lin Sam filed Critical Tung Kuo-Feng
Publication of WO2011011986A1 publication Critical patent/WO2011011986A1/zh

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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
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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
    • 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
    • F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
    • 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
    • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • 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
    • 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
    • F21V29/80—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with pins or wires
    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

Definitions

  • the present invention relates to a luminaire, and more particularly to an improved structure of an LED luminaire.
  • the conventional LED lamp as shown in Fig. 1, is mainly composed of a lampshade 1', an LED lamp 2', a lamp holder 3' and a fixing seat 4'.
  • the LED lamp 2' is screwed into the lamp holder 3', the lamp holder 3' is mounted on the fixing seat 4', and the lamp cover 1' is fastened to the fixing seat 4'.
  • the LED lamp 2' will emit a large amount of heat, although the lamp housing 21' of the LED lamp 2' itself has a heat dissipation function, but for a long time, the heat will still gather in the fixing seat 4' and Between the LED lights 2', it can not be effectively dissipated in time, which will affect and shorten the service life of the LED lamp 2', and even cause the LED lamp 2' to be damaged. For this reason, it is necessary to design a structure in which the heat generated by the LED lamp 2' is dissipated as quickly as possible.
  • the object of the present invention is to provide an improved structure of an LED lamp with good heat dissipation effect and simple structure.
  • the solution of the present invention is:
  • An improved structure of an LED lamp comprising a lamp cover, an LED lamp with a heat dissipation shell, a lamp holder matched with the LED lamp, and a fixing seat for matching the lamp cover with the LED lamp and the lamp holder; wherein: the heat dissipation shell of the LED lamp passes through a heat conduction The sleeve is connected to the mount.
  • a fixing portion of the fixing seat is provided with an annular convex connecting seat to match the lamp holder.
  • the bottom surface of the connecting seat is provided with a plurality of heat dissipating fins.
  • the heat conducting sleeve is a cylindrical member, and a plurality of protruding legs are arranged in a strip shape at one end to extend into the heat dissipating housing to form a fitting, and the other end is just sleeved on the fixing seat.
  • An annular partition is disposed in a middle portion of the inner portion of the heat conducting sleeve, and a central portion of the annular partition is provided with a through hole for the lamp head of the LED lamp to pass through, and the annular partition plate abuts against the top end of the fixed seat.
  • a plurality of heat dissipating fins are distributed on a bottom side edge of the fixing base.
  • the invention adds an intermediate heat conductor-thermal sleeve between the LED lamp and the fixing seat, the heat emitted by the LED lamp is directly guided to the fixing seat through the heat conducting sleeve, so that the heat emitted by the LED lamp can be quickly transmitted. It is attached to the fixed seat and radiated, which has good heat dissipation effect and simple structure.
  • Figure 1 is an exploded perspective view of a conventional LED lamp
  • Figure 2 is an exploded perspective view of the first embodiment of the present invention
  • Figure 3 is a perspective view of the thermal sleeve of the present invention.
  • Figure 4 is an exploded perspective view of a second embodiment of the present invention.
  • Figure 5 is an exploded perspective view of a third embodiment of the present invention.
  • Figure 6 is an exploded perspective view of a fourth embodiment of the present invention.
  • Fig. 7 is an exploded perspective view showing a fifth embodiment of the present invention.
  • the embodiment is a modified structure of a common LED lighting device, which comprises a lampshade 1, an LED lamp 2, a lamp holder 3, a fixing base 4 and a heat conducting sleeve 5.
  • the LED lamp 2 is provided with a heat dissipation housing 21, and a lower portion thereof is provided with a matching thread to be screw-fitted with the socket 3;
  • the fixing base 4 is made of a metal material, and the connecting portion 41 of the annular convex shape is matched with the lamp holder 3, that is, the lamp holder 3 is sleeved in the connecting seat 41; in order to better dissipate heat,
  • the bottom surface of the fixing base 4 (the back side of the LED lamp) is longitudinally spaced apart from the longitudinal fins 42 around the entire circumference.
  • the heat-dissipating housing 21 of the LED lamp 2 is also connected to the fixing base 4 through a heat-conducting sleeve 5; as shown in FIG. 3, the heat-conductive sleeve 5 is a cylindrical member, and a plurality of protruding legs 51 are disposed at one end thereof in a grid shape.
  • the fins extending between the fins 21 form a fit, and the grid-like arrangement facilitates air convection to improve heat dissipation efficiency, and the other end is sleeved on the outer wall of the connecting seat 41 of the fixing base 4, such as a thread.
  • the middle portion of the inner portion of the heat conducting sleeve 5 is provided with an annular partition 52, the central through hole of the annular partition 52 allows the lamp head of the LED lamp 2 to pass through, and the annular partition 52 and the fixed seat The top of 4 is abutted.
  • the heat conducting sleeve 5 Since the two ends of the heat conducting sleeve 5 are respectively connected to the housing 21 of the LED lamp 2 and the connecting seat 41 of the fixing base 4, and the connecting seat 41 itself has heat dissipation characteristics, the heat radiated by the LED lamp 2 is transmitted to the LED heat dissipating housing 21 to The heat-conducting sleeve 3 is transmitted to the heat-dissipating fins 42 of the fixing base 4 through the connecting seat 41 in time to dissipate heat and spread outward. Since the fixing base 4 is made of a material having good heat-dissipating properties, the heat can be quickly transferred outward. Diffusion, thus ensuring and improving the service life of LED lamps.
  • the second embodiment of the present invention is an embodiment of the LED downlight that uses the same inventive subject matter.
  • the main structure is the same as that of the first embodiment, and the heat dissipation sleeve 5 has the heat dissipation of the LED lamp 2 at one end.
  • the housing 21 is connected to each other, and the other end is connected to the connecting seat 41 of the fixing base 4. except that the light emitting end surface 22 of the LED lamp 2 is planar, the lamp cover 1 is changed to a lamp cover dedicated to the downlight, and the left and right sides of the downlight cover are passed.
  • the connecting arm 11 is fixed to the fixing base 4, and a plurality of heat dissipating fins 42 are distributed on the bottom side edge of the fixing base 4.
  • the third embodiment of the present invention is an embodiment of the LED lawn lamp that adopts the same inventive subject matter.
  • the main structure is the same as that of the first embodiment, except that the lampshade 1 is replaced by a lampshade for the lawn lamp.
  • the seat 4 is provided with a locking structure for fixing the lampshade 1, and the others are not significantly different.
  • FIG. 6 and FIG. 7 are respectively an embodiment 3 and 4 of the present invention, which are applied to the LED large bulb lamp and the LED garden lamp using the same inventive subject matter, except that the lampshade 1 is changed to a shape conforming to its application, and
  • the fixing seat 4 is provided with a heat dissipating fin 42 to replace the original fixing seat, and the shape thereof is also changed according to the special needs of the application occasion, and the internal structure thereof, especially the heat generated by the LED lamp 2 through the heat conducting sleeve 5 is quickly passed.
  • the main point of the invention is that an intermediate heat conductor-thermal sleeve is added between the LED lamp and the fixed seat, so that the LED lamp has the characteristics of good heat dissipation effect and simple structure.

Landscapes

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

Description

[根据细则37.2由ISA制定的发明名称]　LED灯具 技术领域
本发明是关于一种灯具，特别是指一种LED灯具的改进结构。
背景技术
习用的LED灯具，如图1所示，主要由灯罩1'、LED灯2'、灯座3'和固定座4'组成。该LED灯2'螺接在灯座3'内，灯座3'安装在固定座4'上，灯罩1'扣接在固定座4'上。
但是LED灯具在使用过程中，LED灯2'会散发出大量的热，尽管LED灯2'的灯壳21'本身具有散热功能，但长时间使用，这些热量仍会聚集在固定座4'与LED灯2'之间，无法有效及时散去，无形中会影响并缩短LED灯2'的使用寿命，甚至导致LED灯2'损毁。为此，需设计出将LED灯2'产生的热量尽快散发的结构。
发明内容
本发明的目的是提供一种散热效果好、结构简单的LED灯具的改进结构。
为实现上述目的，本发明的解决方案是：
一种LED灯具的改进结构，其包括灯罩、具有散热壳体的LED灯、配合LED灯的灯座以及配合灯罩与LED灯、灯座的固定座；其中：LED灯的散热壳体通过一导热套与固定座连接。
所述固定座中部设有一个环形凸圆状的连接座以配合灯座，该连接座的底面上设有若干个散热鳍片。
所述导热套为一筒形构件，其一端设置复数个凸脚呈栅条状以伸置于散热壳体中形成恰好配合，另一端恰套接在固定座上。
所述的导热套内腔中部设有一环形隔板，该环形隔板的中部设有供LED灯的灯头穿过的通孔，且环形隔板与固定座的顶端抵靠。
所述固定座的底部侧缘上分布有若干个散热鳍片。
采用上述方案后，由于本发明在LED灯与固定座之间增设了一个中间导热体－导热套，通过导热套将LED灯发出的热量直接导向固定座，使得LED灯发出的热量能很快传递至固定座并散发出去，散热效果好且结构简单。
下面结合附图和具体实施例对本发明作进一步的说明。
附图说明
图1是习用LED灯具的立体分解图；
图2是本发明实施例一的立体分解图；
图3是本发明导热套的轴测图；
图4是本发明的实施例二的立体分解图；
图5是本发明的实施例三的立体分解图；
图6是本发明的实施例四的立体分解图；
图7是本发明的实施例五的立体分解图。
具体实施方式
如图2所示，本发明实施例一，该实施例是一种常见的LED照明设备的改进结构，其包括灯罩1、LED灯2、灯座3、固定座4和导热套5。
所述LED灯2设有散热壳体21，其下部设有配合螺纹以与灯座3螺接配合；
所述固定座4为金属材料制成，其中部设有一个环形凸圆状的连接座41配合灯座3，即灯座3是套置在该连接座41内；为了更好的散发热量，该固定座4的底面（与LED灯具相背面），沿纵向间隔设置有环绕全周的纵向散热鳍片42。
所述LED灯2的散热壳体21还通过一导热套5与固定座4连接；如图3所示，该导热套5为筒形构件，其一端设置复数个凸脚51呈栅条状以伸置于散热壳体21的各鳍片之间形成恰好配合，栅条状的设置有利于空气对流，以提高散热效率，另一端恰套接在固定座4连接座41的外壁上，如螺纹连接或是卡接配合；另外，该导热套5内腔中部设有一环形隔板52，该环形隔板52的中部通孔可让LED灯2的灯头穿过，且环形隔板52与固定座4的顶端抵靠。
由于导热套5的两端分别连接LED灯2的壳体21和固定座4的连接座41，且连接座41本身具有散热特性，则LED灯2所散发的热量通过LED散热壳体21传递至导热套3，并通过连接座41及时传递至固定座4的散热鳍片42上，而将热量及向外扩散，因固定座4采用具有良好散热属性的材料制成，能够快速将热量向外扩散，从而保障及提高LED灯具的使用寿命。
如图4，本发明实施例二，是属于采用同样的发明主题运用在LED筒灯的实施例，其主要结构与实施例一并无区别，同样是导热套5的一端与LED灯2的散热壳体21相连接，另一端与固定座4的连接座41相连接，除了LED灯2的发光端面22为平面状，灯罩1改为筒灯专用的灯罩，并通过筒灯灯罩左右两侧的连接臂11实现与固定座4的固定，该固定座4的底部侧缘上分布有若干个散热鳍片42。
如图5，本发明实施例三，是属于采用同样的发明主题运用在LED草坪灯的实施例，其主要结构与实施例一并无区别，除了灯罩1改为草坪灯专用的灯罩，在固定座4上设有可用来固定灯罩1的锁固结构，其他并无明显区别。
图6、图7分别是本发明实施例三、四，是属于采用同样的发明主题运用在LED大球泡灯及LED庭院灯的实施例，除了灯罩1改用与其运用场合相符的造型，且固定座4设置散热鳍片42以替代原有的固定座，其造型同样根据运用场合的特殊需要进行一定的变化，其内部结构，尤其是通过导热套5实现LED灯2所产生的热量快速通过因定座4向外扩散的发明构思没有任何变化。
本发明的重点就在于：在LED灯与固定座之间增设了一个中间导热体－导热套，从而实现LED灯具具有散热效果好、结构简单的特点。
以上所述，仅为本发明较佳实施例而已，故不能以此限定本发明实施的范围，即依本发明申请专利范围及说明书内容所作的等效变化与修饰，皆应仍属本发明专利涵盖的范围内。

Claims (5)

1、一种LED灯具的改进结构，其包括灯罩、具有散热壳体的LED灯、配合LED灯的灯座以及配合灯罩与LED灯、灯座的固定座；其特征在于：LED灯的散热壳体通过一导热套与固定座连接。
2、如权利要求1所述的LED灯具的改进结构，其特征在于：固定座中部设有一个环形凸圆状的连接座以配合灯座，该连接座的底面上设有若干个散热鳍片。
3、如权利要求1所述的LED灯具的改进结构，其特征在于：导热套为一筒形构件，其一端设置复数个凸脚呈栅条状以伸置于散热壳体中形成恰好配合，另一端恰套接在固定座上。
4、如权利要求1或3所述的LED灯具的改进结构，其特征在于：导热套内腔中部设有一环形隔板，该环形隔板的中部设有供LED灯的灯头穿过的通孔，且环形隔板与固定座的顶端抵靠。
5、如权利要求1所述的LED灯具的改进结构，其特征在于：固定座的底部侧缘上分布有若干个散热鳍片。
PCT/CN2010/070367 2009-07-29 2010-01-27 Led灯具 WO2011011986A1 (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN200920182431.9 2009-07-29
CN2009201824319U CN201487857U (zh) 2009-07-29 2009-07-29 Led灯泡座的改进结构
CN200920183377.X 2009-09-30
CN200920183377XU CN201621549U (zh) 2009-09-30 2009-09-30 庭院灯的改进结构
CN2009201833765U CN201521862U (zh) 2009-09-30 2009-09-30 草坪灯的改进结构
CN200920183376.5 2009-09-30

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WO2011011986A1 true WO2011011986A1 (zh) 2011-02-03

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EP1906078A1 (en) * 2006-09-30 2008-04-02 Ruud Lighting, Inc. Directionally-adjustable LED spotlight
TW200834971A (en) * 2007-02-14 2008-08-16 Neobulb Technologies Inc Light-emitting diode illuminating equipment
CN201145173Y (zh) * 2007-12-14 2008-11-05 祥敏国际股份有限公司 组合式发光装置
CN201246623Y (zh) * 2008-08-27 2009-05-27 深圳市中电照明股份有限公司 Led灯泡

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Publication number Priority date Publication date Assignee Title
EP1783421A1 (de) * 2005-10-26 2007-05-09 Spectral Gesellschaft für Lichttechnik mit beschränkter Haftung Leuchte
CN2893400Y (zh) * 2006-04-12 2007-04-25 深圳市红绿蓝光电科技有限公司 Led灯泡
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