WO2013174039A1 - Combined type three-dimensional heat radiation structure and method fully utilizing heat radiation space for led lamp - Google Patents

Combined type three-dimensional heat radiation structure and method fully utilizing heat radiation space for led lamp Download PDF

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Publication number
WO2013174039A1
WO2013174039A1 PCT/CN2012/076602 CN2012076602W WO2013174039A1 WO 2013174039 A1 WO2013174039 A1 WO 2013174039A1 CN 2012076602 W CN2012076602 W CN 2012076602W WO 2013174039 A1 WO2013174039 A1 WO 2013174039A1
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Prior art keywords
heat
heat dissipation
dissipating
dimensional
internal
Prior art date
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PCT/CN2012/076602
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French (fr)
Chinese (zh)
Inventor
顾毅天
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无锡市爱尔电子有限公司
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Application filed by 无锡市爱尔电子有限公司 filed Critical 无锡市爱尔电子有限公司
Priority to EP12877464.3A priority Critical patent/EP2899459A4/en
Publication of WO2013174039A1 publication Critical patent/WO2013174039A1/en

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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
    • F21V29/70—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
    • 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
    • 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
    • F21V29/78—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with helically or spirally arranged 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
    • 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
    • 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 present invention relates to the field of LED lamp manufacturing technology, and more particularly to a combination of a heat dissipation space and a three-dimensional heat dissipation structure for an LED lamp.
  • LED lamps are inseparable from large outdoor displays or home lighting, and LED lamps often have reliability due to heat dissipation problems, and brightness cannot meet the requirements of conventional lamps.
  • Can not directly replace traditional lamps, such as 50W MR16 halogen lamp can output warm white temperature 2700K 610LM luminous flux, and the same MR16 LED lamps can only achieve half the brightness of traditional halogen lamps;
  • 150W traditional PAR38 halogen lamps can output warm white temperature 2700K 2000LM luminous flux, LED PAR38 luminaires often do not exceed 1000LM luminous flux output.
  • Conventional LED lamps due to processing problems, the heat sinks are of monolithic structure, using aluminum-extruded aluminum casting and other processes.
  • the inner space of the lamp center is a solid structure, and the center internal space is not utilized, and the LED The inner space of the lamp center is the most heat-intensive space. Due to the integral heat dissipation structure, the three-dimensional XYZ can not be transparent in three directions, and the heat sinks block each other, resulting in low heat exchange efficiency between the heat sink surface and the cold air. Insufficient heat dissipation is not good enough to directly replace traditional lamps.
  • an LED lamp heat sink disclosed in the domestic patent 201030281472. 1 has an overall shape like an inverted basin, and has a heat dissipation effect by a beak-shaped void located at the periphery, but the processing technique is an integral molding technique, and the above defects occur.
  • the heat dissipating component is composed of a heat dissipating ring and a heat dissipating rib which is vertically fixed on the upper surface of the heat dissipating ring, and the heat dissipating rib structure is formed like three kinds of rectangular heat dissipating plates whose surface is uneven and is 120 ° centered on the vertical axis, and only the longitudinal direction is realized. Cooling, the landscape is still airtight.
  • the object of the present invention is to solve the problem of uneven heat dissipation in the prior art, and to provide a novel combined three-dimensional heat dissipation structure with high heat dissipation efficiency and high space utilization.
  • an integrated three-dimensional heat dissipation structure for an LED lamp that fully utilizes a heat dissipation space including a lens, an LED display panel, a lamp interface, and a power supply box, wherein the LED lamp combination type three-dimensional heat dissipation structure is composed of a heat dissipation outer cup and The internal heat dissipating body is combined, the external heat dissipating body outer cover is provided with a heat dissipating outer cup, the bottom of the internal heat dissipating body is connected with the LED display board, the top of the heat dissipating outer cup is connected to the lamp interface and the power supply box, and the top of the internal heat dissipating body is provided with a combined type
  • the combined discontinuous multi-layer three-dimensional heat dissipation structure is composed of a plurality of heat dissipation fins, and a cavity is arranged between adjacent heat
  • the cavity between the heat dissipation outer cup and the inner heat sink is provided with a cavity, and the connection is discontinuous.
  • the XYZ has excellent hot and cold convection passages in three directions, and the heat dissipation capability of the inner layer heat sink is improved, and the heat exchange capacity is strong.
  • the internal heat dissipating body is provided with a cavity between the lamp interface and the power supply box, so that the heat of the internal heat sink and the cold air are fully exchanged, and the power supply part is not overheated, thereby prolonging the life of the power supply.
  • the heat dissipation outer cup is provided with a plurality of venting holes or venting grooves for facilitating the full exchange of heat of the internal heat sink and external cold air.
  • the combined three-dimensional heat dissipation structure of the LED lamp comprises an internal heat sink and one or more heat dissipation outer cups.
  • the internal heat dissipating body is provided with a plurality of LED display surface ventilation slots, which facilitates the full exchange of heat of the internal heat sink.
  • the circular surface of the internal heat dissipating body is a heat dissipating surface 15
  • a cylindrical heat dissipating surface 14 is disposed at a circular center of the internal heat dissipating body, and a plurality of discontinuous solid layers are disposed outside the cylindrical heat dissipating surface 14 along the circular center of the internal heat dissipating body.
  • the heat sink has a heat dissipating surface 12 on each of the front and back sides of the heat sink, and a heat dissipating surface 16 is disposed on the front and back sides of the heat dissipating outer cup.
  • a combined three-dimensional heat dissipation structure for an MR16 LED lamp comprising a lens, an LED display panel, a lamp interface and a power supply box, wherein the combined three-dimensional heat dissipation structure is composed of a heat dissipation outer cup and an internal heat sink, and the interior
  • the center of the heat dissipating body is provided with a cylindrical heat dissipating surface 14, and the outer surface of the cylindrical heat dissipating surface 14 is provided with two layers of three-dimensional heat dissipation layers, and each layer of the three-dimensional heat dissipating layer is composed of four fan-shaped three-dimensional heat dissipating fins, and the fan-shaped three-dimensional heat dissipating fins are disposed between a cavity,
  • the inner heat sink is provided with four LED display surface ventilation slots, and the four LED display surface ventilation slots are disposed outside the outer fan-shaped three-dimensional heat sink, and the heat dissipation outer cup is provided with four ventilation slots, and the heat dis
  • a heat dissipation method for fully utilizing a heat dissipation space of an LED lamp characterized in that: the specific method comprises: a. increasing a heat dissipation area, using an inner and outer heat sink, the outer heat sink adopting one or more heat dissipation outer cups, and the heat dissipation outer cup Slotting or opening, so that both the inner and outer sides of the heat dissipating cup can dissipate heat, and the internal heat dissipating body and the outside are convenient for cold and heat exchange; b.
  • the heat dissipating effect adopts a heat dissipating body combined structure, a cavity is arranged between each heat dissipating body, a heat dissipating outer cup is slotted, and an inner heat dissipating body display plate is slotted to form a three-dimensional three-dimensional heat convection passage; d.
  • a heat dissipation method for LED bulbs to fully utilize the space of the illuminating ball head characterized in that the specific method comprises: dividing the entire LED bulb bulb illuminator into a plurality of independent illuminators, between the independent illuminants With a cavity, the space of the entire ball head is opened, and the heat convection passage in the vertical direction is also opened, and the heat convection passage in the vertical direction is also opened.
  • a combined three-dimensional heat dissipation structure for an LED bulb comprising a lampshade, an LED display panel, a light emitting surface heat sink, an internal heat sink, a heat dissipation outer cup, a lamp interface and a power supply box, wherein the combined three-dimensional heat dissipation structure is composed of The light-emitting surface heat sink, the internal heat sink, and the heat-dissipating outer cup are formed, the bottom of the light-emitting surface heat sink is connected to the LED display panel, the top of the light-emitting surface heat sink is connected to the internal heat sink, and the inner heat sink top cover is provided with a heat-dissipating outer cup, the light-emitting surface
  • the heat dissipating body is provided with a plurality of fins inclined to the surface of the heat radiating surface of the light emitting surface, and the bottom cover of the emitting surface of the emitting surface is provided with a plurality of discontinuous lamp covers, and the inner heat dissip
  • the heat dissipating outer cup is provided with a heat dissipating surface on the inner side of the cup body and a heat dissipating surface on the outer side of the cup body, and the inner heat dissipating body is provided with a plurality of three-dimensional heat dissipating fins to form a heat dissipating surface The heat dissipation surface and the rear heat dissipation surface of the LED display panel.
  • a cavity is disposed between the plurality of heat dissipation fins on the internal heat dissipating body, and the heat dissipating surface of the light emitting surface is provided with a heat dissipating surface cavity between the discontinuous lamp covers, and a cavity is formed between the heat dissipating outer cup and the internal heat dissipating body, and the lamp interface A cavity is provided between the power supply box and the internal heat sink.
  • a combined three-dimensional heat dissipation structure for a Par38 LED lamp comprising a cover plate, a lens, an LED display panel, an internal heat sink, a heat dissipation outer cup, a lamp interface and a power supply box, wherein the combined three-dimensional heat dissipation structure comprises a cover plate,
  • the inner heat dissipating body and the heat dissipating outer cup are connected to the bottom of the inner heat dissipating body, and the inner heat sink top cover is provided with a heat dissipating outer cup, and the inner heat dissipating body is provided with a plurality of discontinuous multi-layer three-dimensional heat sinks, and the heat dissipating outer cup is provided a plurality of heat-dissipating outer cup venting grooves, a cavity between the plurality of three-dimensional heat-dissipating fins of the internal heat-dissipating body, and an LED display surface venting groove at a boundary between the vertical surface of the
  • the heat dissipating outer cup is provided with a heat dissipating surface on the inner side of the cup body and a heat dissipating surface on the outer side of the cup body, and the inner heat dissipating body is provided with a discontinuous multi-layered heat dissipating fin to form a heat dissipating surface
  • the invention adopts a combined three-dimensional heat dissipation structure at the most dense place of the central heat, and uses the three-dimensional structure to increase the total heat dissipation area, thereby maximizing the effective heat dissipation area, effectively solving the low utilization rate of the conventional heat dissipation structure.
  • the internal space structure is not transparent, and its heat dissipation effect is more than double that of traditional LED lamps under the same service life of the same heat dissipation volume.
  • FIG. 1 is a schematic view showing a split structure of the present invention
  • 2 is a schematic structural view of a heat sink according to the present invention
  • Figure 3 is a side cross-sectional view of the heat sink of the present invention.
  • Figure 4 is a schematic view showing a separate structure of a conventional MR16 LED lamp
  • Figure 5 is a schematic view showing the structure of a heat dissipation surface of a conventional MR16 LED lamp
  • Figure 6 is a side cross-sectional view of a conventional MR16 LED lamp
  • FIG. 7 is a schematic view showing the split structure of the combined LED bulb of the present invention.
  • FIG. 8 is a schematic structural view of a combination of a combined LED bulb of the present invention.
  • FIG. 9 is a schematic structural view of a heat dissipating surface of a combined LED bulb of the present invention.
  • FIG. 10 is a schematic structural view of a heat dissipating body of a combined LED bulb of the present invention.
  • Figure 11 is a cross-sectional view showing a heat sink of the combined LED bulb of the present invention.
  • FIG. 12 is a schematic view showing the split structure of the combined par38 LED lamp of the present invention.
  • Figure 13 is a schematic view showing the structure of a combined par38 LED lamp of the present invention.
  • FIG. 14 is a schematic structural view of a heat dissipating surface of a combined par38 LED lamp according to the present invention.
  • FIG. 15 is a schematic structural view of a heat dissipating body of a combined par38 LED lamp according to the present invention.
  • Figure 16 is a cross-sectional view showing the structure of a combined par38 LED lamp of the present invention.
  • Heat sink As shown in the figure, in the figure: 1. Heat sink 2. Internal heat sink 3. Lens 4. LED display panel 5. Lamp interface and power box 6. Heat sink venting groove 7. Cover plate 8. LED display surface venting groove 9. Cavity between each heat sink 10. Internal heat sink and power box cavity 11. Internal heat sink and heat sink Cavity 12-16. Heat sink cooling surface 17. Traditional MR16LED lamp cooling cup 18. Traditional MR16LED lamp lens 19. Traditional MR16LED lamp LED display board 20. Traditional MR16LED lamp lamp interface and power box 21-25. Traditional MR16LED lamp cooling Cooling surface of the cup 26. Traditional MR16LED lamp center interior enclosed space 27. Outer heat sink surface 28. Inside heat sink surface 29. Discontinuous multilayer stereo heat sink 30. Shape heat sink venting groove 31. Cover venting groove 32.
  • the discontinuous lamp housing The heat sink cavity.
  • the conventional MR16 LED lamp is selected by an external heat sink or an internal heat sink (in this example, the heat sink cup 17 is selected), the lens 18, the LED display panel 19, the lamp interface and the power supply box 20 are connected and installed as shown in FIG. 4, and the heat dissipation is performed. As shown in Fig.
  • the present invention designs a unique heat dissipation structure, that is, a combined three-dimensional heat dissipation structure.
  • the specific structure of the heat dissipation structure is as shown in FIG. 2, and is composed of an internal heat sink 2 and one or more heat dissipation cups 1.
  • the overall outer shape of the heat dissipation cup 1 is like an inverted basin, and is at the center of a circular horizontal plane at the top of the heat dissipation cup 1.
  • the internal heat dissipating body 2 is internally constructed with a discontinuous multi-layered heat sink as a main body.
  • a cylindrical hollow fin 14 is disposed at a central position of the disc-shaped base, and two cylindrical symmetrical fins 14 are respectively disposed at the left and right symmetrical positions.
  • Cylindrical hollow fins with equal inner and outer diameters based on the center of the cylindrical hollow fin 14 at the center, two non-continuous arc fins are arranged from the inside to the outside on the bisector of the disc base. 12, 13, a cavity is left between the inner circular arc fin and the outer circular fin, and both ends of the inner circular arc fin and the outer end of the outer arc fin are centered and centered
  • the cylindrical hollow fin 14 is connected to the center of the circle to form a fan-shaped shape.
  • the four outer circular arc fins are dug outwardly to dig four vertical projection surfaces with a rounded rectangular LED display panel venting groove 8 for internal heat dissipation. The heat of the device is fully exchanged with the external cold air.
  • the number and shape of the inner heat sink fins and the spacing between the heat sinks may be determined according to the specific size of the light fixture; the number and size of the heat sink cups may be one or two according to the specific shape requirements of the light fixtures.
  • the above components are composed of heat sinks.
  • heat dissipation surface 12*8+ heat dissipation surface 13*8+ heat dissipation surface 14+ heat dissipation surface 15+ heat dissipation surface 16*8 15000 square millimeter, since it is a three-dimensional heat dissipation structure, it has a heat dissipation
  • the double-sided heat dissipation effect is calculated, and the heat dissipation area is calculated on both sides.
  • the lens 3 is mounted on the bottom of the display panel 4, that is, the LED lamp shown in Fig. 3 is obtained.
  • the internal heat sink 2 and the upper lamp socket power supply box 5 have a cavity, which facilitates the internal heat exchange and the cold air to be fully exchanged, thereby increasing the transparency of the heat dissipation structure and protecting the power supply part from overheating. , extend the life of the power supply.
  • the present invention also includes a heat dissipation method and apparatus for LED bulbs that make full use of the illumination ball head space, as shown in FIG.
  • the specific method of the LED bulb is as follows: The entire LED bulb bulb is divided into a plurality of independent illuminators, and a cavity is provided between the independent illuminators, and the space of the entire ball is opened. , the heat convection channel in the vertical direction is also opened outside the heat dissipation surface of the cavity.
  • the structure of the LED bulb in the invention comprises a lamp cover, an LED display panel, a light emitting surface heat sink, an internal heat sink, a heat dissipation outer cup, a lamp interface and a power supply box, and the combined three-dimensional heat dissipation structure comprises a light emitting surface heat sink and an internal heat sink
  • the heat-dissipating outer cup is composed, the bottom of the light-emitting surface heat-dissipating body is connected with the LED display board, the top of the light-emitting surface heat-dissipating body is connected with the internal heat-dissipating body, the inner heat-dissipating body top cover is provided with a heat-dissipating outer cup, and the surface of the light-emitting surface heat-dissipating body
  • the inclined heat sink has a plurality of discontinuous lamp covers on the bottom cover of the light-emitting surface, and a plurality of discontinuous multi-layer heat sinks are
  • the heat dissipating outer cup is provided with a heat dissipating surface on the inner side of the cup body and a heat dissipating surface on the outer side of the cup body. Cooling surface.
  • a cavity is arranged between the plurality of heat dissipation fins on the internal heat dissipating body, the heat dissipating surface of the light emitting surface is provided with a heat dissipating surface cavity between the discontinuous lamps, and a cavity is formed between the heat dissipating outer cup and the internal heat dissipating body, the lamp interface and the power source
  • a cavity is provided between the box and the internal heat sink.
  • the invention also includes a combined three-dimensional heat dissipation structure for a Par38 LED lamp, including a cover plate, Lens, LED display panel, internal heat sink, heat sink cup, lamp interface and power box, combined stereo heat dissipation structure includes cover plate, internal heat sink, heat sink cup, internal heat sink bottom connection cover, internal heat sink top cover
  • the heat dissipation outer cup is provided, and the inner heat dissipation body is provided with a plurality of discontinuous multi-layer three-dimensional heat sinks, the heat dissipation outer cup is provided with a plurality of heat dissipation outer cup ventilation grooves, and the inner heat dissipation body is provided with a cavity between the plurality of three-dimensional heat dissipation sheets,
  • the vertical surface of the inner heat sink and the inner heat sink are provided with an LED display surface ventilation groove
  • the cover plate is provided with a cover ventilation groove corresponding to the air leakage groove of the LED display surface, and the heat dissipation outer cup and the inner heat
  • a cavity is provided between the cavity, the lamp interface and the power box and the internal heat sink.
  • the heat dissipating outer cup is provided with a heat dissipating surface on the inner side of the cup body and a heat dissipating surface on the outer side of the cup body, and the inner heat dissipating body is provided with a discontinuous multi-layered heat dissipating fin to form a heat dissipating surface

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

A combined type three-dimensional heat radiation structure fully utilizing heat radiation space for LED lamp is formed by combining an external heat radiator (1) and an internal heat radiator (2), wherein the bottom of the internal heat radiator (2) is connected with an LED display panel (4); the top of the external heat radiator (1) is connected with a lamp joint and a power supply box (5); a combined type discontinuous multilayered three-dimensional heat radiation structure is arranged on the top of the internal heat radiator (2) and consists of a plurality of heat radiating fins; and a cavity is formed between the adjacent heat radiating fins. The heat radiation structure increases the total area of heat radiation, maximizes the effective heat radiation area, and improves the heat radiation effect.

Description

充分利用散热空间的 LED灯具组合式立体散热结构及方法 [技术领域] 本发明涉及 LED灯具制造技术领域， 具体地说是一种 LED灯具的充分利用 散热空间组合式立体散热结构。  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the field of LED lamp manufacturing technology, and more particularly to a combination of a heat dissipation space and a three-dimensional heat dissipation structure for an LED lamp.
[背景技术] 随着 LED灯具越来越普及， 无论是大型的户外展示还是家庭灯饰都已离不 开 LED灯， 而 LED灯具往往由于散热问题影响到可靠性， 亮度无法达到传统灯 具要求， 而无法直接替代传统灯具， 比如 50W的 MR16卤素灯， 可输出暖白色温 2700K 610LM光通量， 而同样 MR16 LED灯具往往只能达到传统卤素灯一半亮度； 150W的传统 PAR38卤素灯， 可输出暖白色温 2700K 2000LM光通量， LED PAR38 灯具往往不超过 1000LM光通量输出。 常规 LED灯， 由于加工工艺问题， 散热体都是采用整体式结构， 采用铝挤 铝铸等工艺， 由于整体式结构限制， 灯具中心内部空间为实心结构体， 中心内 部空间没有被利用， 而 LED灯具中心内部空间为热量最密集空间， 由于是整体 式散热结构， 无法做到立体 XYZ三个方向通透， 散热体之间相互阻挡， 造成散 热面和冷空气冷热交换效率低， 散热空间利用不充分， 散热效果不佳， 从而无 法直接取代传统灯具。 如国内专利 201030281472. 1公开的一种 LED灯散热器， 其整体形状犹如一倒置的盆， 由位于***的楞状空隙起到散热作用， 但其加工 工艺为一体成型技术， 会出现上述缺陷。 散热部件由散热环及竖直固定在散热环上表面凹凸不平的散热筋， 其散热筋结 构形如三块表面凹凸不平的类长方形散热板以垂直轴为中心间隔 120 ° 组成，仅 实现了纵向散热， 横向仍旧密闭不透气。 [Background Art] With the increasing popularity of LED lamps, LED lamps are inseparable from large outdoor displays or home lighting, and LED lamps often have reliability due to heat dissipation problems, and brightness cannot meet the requirements of conventional lamps. Can not directly replace traditional lamps, such as 50W MR16 halogen lamp, can output warm white temperature 2700K 610LM luminous flux, and the same MR16 LED lamps can only achieve half the brightness of traditional halogen lamps; 150W traditional PAR38 halogen lamps, can output warm white temperature 2700K 2000LM luminous flux, LED PAR38 luminaires often do not exceed 1000LM luminous flux output. Conventional LED lamps, due to processing problems, the heat sinks are of monolithic structure, using aluminum-extruded aluminum casting and other processes. Due to the integral structure limitation, the inner space of the lamp center is a solid structure, and the center internal space is not utilized, and the LED The inner space of the lamp center is the most heat-intensive space. Due to the integral heat dissipation structure, the three-dimensional XYZ can not be transparent in three directions, and the heat sinks block each other, resulting in low heat exchange efficiency between the heat sink surface and the cold air. Insufficient heat dissipation is not good enough to directly replace traditional lamps. For example, an LED lamp heat sink disclosed in the domestic patent 201030281472. 1 has an overall shape like an inverted basin, and has a heat dissipation effect by a beak-shaped void located at the periphery, but the processing technique is an integral molding technique, and the above defects occur. The heat dissipating component is composed of a heat dissipating ring and a heat dissipating rib which is vertically fixed on the upper surface of the heat dissipating ring, and the heat dissipating rib structure is formed like three kinds of rectangular heat dissipating plates whose surface is uneven and is 120 ° centered on the vertical axis, and only the longitudinal direction is realized. Cooling, the landscape is still airtight.
[发明内容] 本发明的目的是解决现有技术中散热不均的问题， 提供一种散热效率高、 空间利用率高的新型组合式立体散热结构。 为实现上述目的， 设计充分利用散热空间的 LED灯具组合式立体散热结构， 包括透镜、 LED显示板、 灯具接口及电源盒， 其特征在于所述的 LED灯具组合式 立体散热结构由散热外杯和内部散热体组合而成， 内部散热体外部罩设有散热 外杯， 所述的内部散热体底部连接 LED显示板， 散热外杯顶部连接灯具接口及 电源盒， 内部散热体顶部设有组合式不连续多层立体散热结构， 所述的组合式 不连续多层立体散热结构由若干个散热片构成， 相邻的散热片之间设有空腔。 所述的散热外杯和内部散热体之间设有空腔， 连接不连续， XYZ三个方向都 具有极好的冷热对流通道， 提高内层散热体散热能力， 冷热交换能力强。 所述的内部散热体与灯具接口及电源盒之间设有空腔， 便于内部散热器热 量与冷空气充分交换， 保护电源部分不会过热， 延长电源寿命。 所述的散热外杯上开设有若干个透气孔或透气槽， 便于内部散热器的热量 和外部冷空气充分交换。 所述的 LED灯具组合式立体散热结构由内部散热体和一个或多个散热外杯 组成。 所述的内部散热体上开设有若干个 LED显示面透气槽， 便于内部散热器的 热量上下充分交换。 所述的内部散热体圆形表面为散热面 15， 内部散热体圆形中心设有圆柱体 散热面 14， 圆柱体散热面 14外侧、沿内部散热体圆形中心方向设有若干层不连 续立体散热片， 每层散热片正、 反两面设有散热面 12、 13， 所述的散热外杯正、 反两面设有散热面 16。 SUMMARY OF THE INVENTION The object of the present invention is to solve the problem of uneven heat dissipation in the prior art, and to provide a novel combined three-dimensional heat dissipation structure with high heat dissipation efficiency and high space utilization. In order to achieve the above object, an integrated three-dimensional heat dissipation structure for an LED lamp that fully utilizes a heat dissipation space is designed, including a lens, an LED display panel, a lamp interface, and a power supply box, wherein the LED lamp combination type three-dimensional heat dissipation structure is composed of a heat dissipation outer cup and The internal heat dissipating body is combined, the external heat dissipating body outer cover is provided with a heat dissipating outer cup, the bottom of the internal heat dissipating body is connected with the LED display board, the top of the heat dissipating outer cup is connected to the lamp interface and the power supply box, and the top of the internal heat dissipating body is provided with a combined type In the continuous multi-layer three-dimensional heat dissipation structure, the combined discontinuous multi-layer three-dimensional heat dissipation structure is composed of a plurality of heat dissipation fins, and a cavity is arranged between adjacent heat dissipation fins. The cavity between the heat dissipation outer cup and the inner heat sink is provided with a cavity, and the connection is discontinuous. The XYZ has excellent hot and cold convection passages in three directions, and the heat dissipation capability of the inner layer heat sink is improved, and the heat exchange capacity is strong. The internal heat dissipating body is provided with a cavity between the lamp interface and the power supply box, so that the heat of the internal heat sink and the cold air are fully exchanged, and the power supply part is not overheated, thereby prolonging the life of the power supply. The heat dissipation outer cup is provided with a plurality of venting holes or venting grooves for facilitating the full exchange of heat of the internal heat sink and external cold air. The combined three-dimensional heat dissipation structure of the LED lamp comprises an internal heat sink and one or more heat dissipation outer cups. The internal heat dissipating body is provided with a plurality of LED display surface ventilation slots, which facilitates the full exchange of heat of the internal heat sink. The circular surface of the internal heat dissipating body is a heat dissipating surface 15 , and a cylindrical heat dissipating surface 14 is disposed at a circular center of the internal heat dissipating body, and a plurality of discontinuous solid layers are disposed outside the cylindrical heat dissipating surface 14 along the circular center of the internal heat dissipating body. The heat sink has a heat dissipating surface 12 on each of the front and back sides of the heat sink, and a heat dissipating surface 16 is disposed on the front and back sides of the heat dissipating outer cup.
一种用于 MR16LED灯具的组合式立体散热结构， 包括透镜、 LED显示板、灯 具接口及电源盒， 其特征在于所述的组合式立体散热结构由散热外杯和内部散 热体组合而成， 内部散热体中心设有圆柱体散热面 14， 圆柱体散热面 14外圈等 间距设有两层立体散热层， 每层立体散热层由四块扇形立体散热片组成， 扇形 立体散热片之间设有空腔， 内部散热体上开设有四个 LED显示面透气槽， 所述 的四个 LED显示面透气槽设置于外层扇形立体散热片外侧， 散热外杯上开设有 四个透气槽， 散热外杯和内部散热体之间设有空腔， 内部散热体与灯具接口及 电源盒之间设有空腔。 所述的圆柱体散热面 14和两层立体散热层共同构成组合式不连续多层立体 散热结构。 一种用于 LED灯具充分利用散热空间的散热方法， 其特征在于具体方法包 括： a.增加散热面积， 采用内外散热体相结合， 外散热体采用一个或者多个 散热外杯， 在散热外杯上开槽或者开孔， 使得散热外杯的内外两面都可以散 热， 也便于内部散热体和外部进行冷热交换； b.充分利用灯具内部空间， 将 LED显示面前移， 并压縮电源所占空间， 将灯具内部空间做成组合式不连续多层立体散热结构； c.使散热结构通透， 提高内外散热体的散热效果， 采用散热体组合式结 构， 各散热体之间都设有空腔， 散热外杯开槽， 内部散热体显示板方向开槽， 形成 XYZ三个方向立体热对流通道； d.降低电源盒电源的环境温度， 延长电源寿命， 在内部散热体与灯具接 口及电源盒之间设有空腔。 一种用于 LED球泡灯充分利用发光球头空间的散热方法， 其特征在于具体 方法包括： 将整个 LED球泡灯球头发光体， 分成若干个独立的发光体， 独立的 发光体之间设有空腔， 整个球头的空间被打开， 增加了空腔处散热面外， 垂直 方向的热对流通道也被打开。 一种用于 LED球泡灯的组合式立体散热结构， 包括灯罩、 LED显示板、 发光 面散热体、 内部散热体、 散热外杯、 灯具接口及电源盒， 其特征在于组合式立 体散热结构由发光面散热体、 内部散热体、 散热外杯组成， 发光面散热体底部 连接 LED显示板， 发光面散热体顶部连接内部散热体， 内部散热体顶部罩设有 散热外杯， 所述的发光面散热体中部设有若干与发光面散热体表面倾斜的散热 片， 发光面散热体底部罩设有若干不连续灯罩， 内部散热体上设有若干不连续 多层立体散热片， 散热外杯上开设有若干槽或孔。 所述的散热外杯设有杯体内侧散热面和杯体外侧散热面， 所述的内部散热 体设有多层立体散热片组成散热面， 所述的发光面散热体设有不连续灯罩间的 散热面和 LED显示板后部散热面。 所述内部散热体上的多层散热片之间设有空腔， 发光面散热体设有不连续 灯罩间的散热面空腔， 散热外杯和内部散热体之间设有空腔， 灯具接口及电源 盒与内部散热体之间设有空腔。 一种用于 Par38 LED灯的组合式立体散热结构， 包括盖板、 透镜、 LED显示 板、 内部散热体、 散热外杯、 灯具接口及电源盒， 其特征在于组合式立体散热 结构包括盖板、 内部散热体、 散热外杯， 内部散热体底部连接盖板， 内部散热 器顶部罩设有散热外杯， 所述的内部散热体上设有若干不连续多层立体散热片， 散热外杯设有若干散热外杯透气槽， 内部散热体的多层立体散热片之间设有空 腔， 在内部散热片的垂直面与内部散热片交界处设有 LED显示面透气槽， 盖板 上设有与 LED显示面透气槽对应的盖板透气槽， 散热外杯和内部散热体之间设 有空腔， 灯具接口及电源盒与内部散热体之间设有空腔。 所述的散热外杯设有杯体内侧散热面和杯体外侧散热面， 内部散热体设有 不连续多层立体散热片组成散热面。 A combined three-dimensional heat dissipation structure for an MR16 LED lamp, comprising a lens, an LED display panel, a lamp interface and a power supply box, wherein the combined three-dimensional heat dissipation structure is composed of a heat dissipation outer cup and an internal heat sink, and the interior The center of the heat dissipating body is provided with a cylindrical heat dissipating surface 14, and the outer surface of the cylindrical heat dissipating surface 14 is provided with two layers of three-dimensional heat dissipation layers, and each layer of the three-dimensional heat dissipating layer is composed of four fan-shaped three-dimensional heat dissipating fins, and the fan-shaped three-dimensional heat dissipating fins are disposed between a cavity, the inner heat sink is provided with four LED display surface ventilation slots, and the four LED display surface ventilation slots are disposed outside the outer fan-shaped three-dimensional heat sink, and the heat dissipation outer cup is provided with four ventilation slots, and the heat dissipation is external A cavity is formed between the cup and the internal heat sink, and a cavity is formed between the internal heat sink and the lamp interface and the power box. The cylindrical heat dissipating surface 14 and the two layers of the three-dimensional heat dissipating layer together constitute a combined discontinuous multi-layer three-dimensional heat dissipating structure. A heat dissipation method for fully utilizing a heat dissipation space of an LED lamp, characterized in that: the specific method comprises: a. increasing a heat dissipation area, using an inner and outer heat sink, the outer heat sink adopting one or more heat dissipation outer cups, and the heat dissipation outer cup Slotting or opening, so that both the inner and outer sides of the heat dissipating cup can dissipate heat, and the internal heat dissipating body and the outside are convenient for cold and heat exchange; b. Make full use of the internal space of the lamp, move the LED display forward, and compress the space occupied by the power supply, and make the internal space of the lamp into a combined discontinuous multi-layer three-dimensional heat dissipation structure; c. Make the heat dissipation structure transparent, and improve the internal and external heat dissipation body. The heat dissipating effect adopts a heat dissipating body combined structure, a cavity is arranged between each heat dissipating body, a heat dissipating outer cup is slotted, and an inner heat dissipating body display plate is slotted to form a three-dimensional three-dimensional heat convection passage; d. Reduce the ambient temperature of the power supply box power supply, extend the life of the power supply, and provide a cavity between the internal heat sink and the lamp interface and the power supply box. A heat dissipation method for LED bulbs to fully utilize the space of the illuminating ball head, characterized in that the specific method comprises: dividing the entire LED bulb bulb illuminator into a plurality of independent illuminators, between the independent illuminants With a cavity, the space of the entire ball head is opened, and the heat convection passage in the vertical direction is also opened, and the heat convection passage in the vertical direction is also opened. A combined three-dimensional heat dissipation structure for an LED bulb, comprising a lampshade, an LED display panel, a light emitting surface heat sink, an internal heat sink, a heat dissipation outer cup, a lamp interface and a power supply box, wherein the combined three-dimensional heat dissipation structure is composed of The light-emitting surface heat sink, the internal heat sink, and the heat-dissipating outer cup are formed, the bottom of the light-emitting surface heat sink is connected to the LED display panel, the top of the light-emitting surface heat sink is connected to the internal heat sink, and the inner heat sink top cover is provided with a heat-dissipating outer cup, the light-emitting surface The heat dissipating body is provided with a plurality of fins inclined to the surface of the heat radiating surface of the light emitting surface, and the bottom cover of the emitting surface of the emitting surface is provided with a plurality of discontinuous lamp covers, and the inner heat dissipating body is provided with a plurality of discontinuous multi-layer three-dimensional fins, and the heat dissipating outer cup is opened. There are several slots or holes. The heat dissipating outer cup is provided with a heat dissipating surface on the inner side of the cup body and a heat dissipating surface on the outer side of the cup body, and the inner heat dissipating body is provided with a plurality of three-dimensional heat dissipating fins to form a heat dissipating surface The heat dissipation surface and the rear heat dissipation surface of the LED display panel. a cavity is disposed between the plurality of heat dissipation fins on the internal heat dissipating body, and the heat dissipating surface of the light emitting surface is provided with a heat dissipating surface cavity between the discontinuous lamp covers, and a cavity is formed between the heat dissipating outer cup and the internal heat dissipating body, and the lamp interface A cavity is provided between the power supply box and the internal heat sink. A combined three-dimensional heat dissipation structure for a Par38 LED lamp, comprising a cover plate, a lens, an LED display panel, an internal heat sink, a heat dissipation outer cup, a lamp interface and a power supply box, wherein the combined three-dimensional heat dissipation structure comprises a cover plate, The inner heat dissipating body and the heat dissipating outer cup are connected to the bottom of the inner heat dissipating body, and the inner heat sink top cover is provided with a heat dissipating outer cup, and the inner heat dissipating body is provided with a plurality of discontinuous multi-layer three-dimensional heat sinks, and the heat dissipating outer cup is provided a plurality of heat-dissipating outer cup venting grooves, a cavity between the plurality of three-dimensional heat-dissipating fins of the internal heat-dissipating body, and an LED display surface venting groove at a boundary between the vertical surface of the inner heat-dissipating fin and the inner heat-dissipating fin, and the cover plate is provided with The cover surface of the LED display surface is corresponding to the ventilation groove of the cover, and the cavity between the heat dissipation outer cup and the internal heat dissipation body is provided, and a cavity is arranged between the lamp interface and the power supply box and the internal heat dissipation body. The heat dissipating outer cup is provided with a heat dissipating surface on the inner side of the cup body and a heat dissipating surface on the outer side of the cup body, and the inner heat dissipating body is provided with a discontinuous multi-layered heat dissipating fin to form a heat dissipating surface
本发明与传统灯具一体式散热结构相比， 于中心热量最密集处采用组合式 立体散热结构， 利用三维结构增加散热总面积， 使有效散热面积最大化， 有效 解决传统散热结构散热空间利用率低、 内部空间结构不通透等弊端， 其散热效 果在同等散热体积同等使用寿命下， 是传统 LED灯具一倍以上， 其输出亮度是 传统 LED灯具的一倍以上； 多个空腔、 开孔、 开槽的设计， 使 XYZ三个方向上 都具有极好的冷热对流通道， 增加了散热结构中空气的流通量， 使热交换更迅 速， 散热效果更快。  Compared with the integrated heat dissipation structure of the traditional lamp, the invention adopts a combined three-dimensional heat dissipation structure at the most dense place of the central heat, and uses the three-dimensional structure to increase the total heat dissipation area, thereby maximizing the effective heat dissipation area, effectively solving the low utilization rate of the conventional heat dissipation structure. The internal space structure is not transparent, and its heat dissipation effect is more than double that of traditional LED lamps under the same service life of the same heat dissipation volume. Its output brightness is more than double that of traditional LED lamps; multiple cavities, openings, The slotted design makes the XYZ have excellent hot and cold convection channels in all three directions, which increases the air flow in the heat dissipation structure, making the heat exchange faster and the heat dissipation effect faster.
[附图说明] 图 1为本发明分体结构示意图; 图 2为本发明散热体结构示意图； BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing a split structure of the present invention; 2 is a schematic structural view of a heat sink according to the present invention;
图 3为本发明散热体侧剖视图； Figure 3 is a side cross-sectional view of the heat sink of the present invention;
图 4为传统 MR16LED灯具分体结构示意图； Figure 4 is a schematic view showing a separate structure of a conventional MR16 LED lamp;
图 5为传统 MR16LED灯具散热面结构示意图； Figure 5 is a schematic view showing the structure of a heat dissipation surface of a conventional MR16 LED lamp;
图 6为传统 MR16LED灯具侧剖视图； Figure 6 is a side cross-sectional view of a conventional MR16 LED lamp;
图 7为本发明组合式 LED球泡灯的分体结构示意图； 7 is a schematic view showing the split structure of the combined LED bulb of the present invention;
图 8为本发明组合式 LED球泡灯的组合体结构示意图； 8 is a schematic structural view of a combination of a combined LED bulb of the present invention;
图 9为本发明组合式 LED球泡灯的散热面特征结构示意图； 9 is a schematic structural view of a heat dissipating surface of a combined LED bulb of the present invention;
图 10为本发明组合式 LED球泡灯的散热体特征结构示意图； 10 is a schematic structural view of a heat dissipating body of a combined LED bulb of the present invention;
图 11为本发明组合式 LED球泡灯的散热体剖视图； Figure 11 is a cross-sectional view showing a heat sink of the combined LED bulb of the present invention;
图 12为本发明组合式 par38 LED灯具的分体结构示意图； 12 is a schematic view showing the split structure of the combined par38 LED lamp of the present invention;
图 13为本发明组合式 par38 LED灯具的组合体结构示意图； Figure 13 is a schematic view showing the structure of a combined par38 LED lamp of the present invention;
图 14为本发明组合式 par38 LED灯具的散热面特征结构示意图； 14 is a schematic structural view of a heat dissipating surface of a combined par38 LED lamp according to the present invention;
图 15为本发明组合式 par38 LED灯具的散热体特征结构示意图； 15 is a schematic structural view of a heat dissipating body of a combined par38 LED lamp according to the present invention;
图 16为本发明组合式 par38 LED灯具的组合体结构剖视图； Figure 16 is a cross-sectional view showing the structure of a combined par38 LED lamp of the present invention;
如图所示，图中： 1.散热杯 2. 内部散热体 3. 透镜 4. LED显示板 5. 灯具接口及电源盒 6.散热杯透气槽 7.盖板 8. LED显示面透气槽 9.各散 热片间空腔 10.内部散热体与电源盒间空腔 11.内部散热体与散热杯间空腔 12-16.散热片的散热面 17.传统 MR16LED灯具散热杯 18. 传统 MR16LED灯具 透镜 19. 传统 MR16LED灯具 LED显示板 20. 传统 MR16LED灯具灯具接口及 电源盒 21-25. 传统 MR16LED灯具散热杯的散热面 26. 传统 MR16LED灯具中 心内部封闭空间 27.外侧散热面 28.内侧散热面 29.不连续多层立体散热 片 30.外形散热体透气槽 31.盖板透气槽 32.灯具接口及电源盒与内部散 热体之间的空腔 33.发光面散热体 34.灯罩 35.不连续灯罩间的散热面 36. LED显示板后散热面 37.散热外杯透气槽 38.不连续灯罩间的散热面空 腔。 As shown in the figure, in the figure: 1. Heat sink 2. Internal heat sink 3. Lens 4. LED display panel 5. Lamp interface and power box 6. Heat sink venting groove 7. Cover plate 8. LED display surface venting groove 9. Cavity between each heat sink 10. Internal heat sink and power box cavity 11. Internal heat sink and heat sink Cavity 12-16. Heat sink cooling surface 17. Traditional MR16LED lamp cooling cup 18. Traditional MR16LED lamp lens 19. Traditional MR16LED lamp LED display board 20. Traditional MR16LED lamp lamp interface and power box 21-25. Traditional MR16LED lamp cooling Cooling surface of the cup 26. Traditional MR16LED lamp center interior enclosed space 27. Outer heat sink surface 28. Inside heat sink surface 29. Discontinuous multilayer stereo heat sink 30. Shape heat sink venting groove 31. Cover venting groove 32. Lamp interface and The cavity between the power box and the internal heat sink 33. The light emitting surface heat sink 34. The lamp cover 35. The heat dissipating surface between the discontinuous lamps 36. The LED display board rear heat dissipating surface 37. The heat dissipating outer cup venting groove 38. The discontinuous lamp housing The heat sink cavity.
[具体实施方式] [detailed description]
下面结合附图对本发明作进一步阐述， 其形状及构造对本领域技术人员来 说是可以实现的。 传统 MR16LED灯具是由外部散热器或者内部散热器选其一 （本例中选用散 热杯 17)、 透镜 18、 LED显示板 19、 灯具接口及电源盒 20依图 4所示方式连接 安装， 其散热部位如图 5所示由扇形散热片等间隔环绕散热杯 17， 所构成的散 热面积为： （散热面 21+散热面 22+散热面 23+散热面 24+散热面 25 ) *18=6500 平方毫米， 传统散热器内部如图 6所示为实心或者放置电源的腔体， 不能使用， 导致传统散热器散热不均。 为了充分解决传统 LED灯具散热问题， 本发明设计了特有的散热结构， 即 组合式立体散热结构。 其散热结构的具体构造如图 2所示，由内部散热体 2和一个或多个散热杯 1 组成， 散热杯 1的整体外部形状如同一倒置的盆， 于散热杯 1顶部的圆形水平 面中央挖去一个圆形通孔， 该圆形通孔的直径与内部散热体 2中心位置的圆柱 形空心散热片内径保持一致， 在该圆形通孔的左右对称位置挖去两个直径相等 的圆形通孔， 这两个圆形通孔的直径与内部散热体 2内部对应位置上的两个对 称圆柱形空心散热片内径一致， 在散热杯顶部的圆形水平面的四等分线上挖出 四块垂直投影面为圆角矩形的透气槽 6。 内部散热体 2内部构造以不连续多层立体散热片为主体， 在圆盘形基座的 中心位置设置一圆柱形空心散热片 14，在此圆柱形空心散热片 14左右对称位置 分别安装两个内外径相等的圆柱形空心散热片， 以位于中心的圆柱形空心散热 片 14圆心为基准， 于圆盘基座的四等分线上由内至外排布两层不连续圆弧形散 热片 12、 13， 内层圆弧形散热片与外层圆弧形散热片之间留有空腔， 且内层圆 弧形散热片的两端、 外层圆弧形散热片的两端与中心圆柱形空心散热片 14圆心 连线即构成扇形形状， 在四个外层圆弧形散热片向外邻接处挖去四个垂直投影 面为圆角矩形的 LED显示板透气槽 8，便于内部散热器的热量和外部冷空气充分 交换。 The invention will be further clarified below with reference to the accompanying drawings, and its shape and configuration can be realized by those skilled in the art. The conventional MR16 LED lamp is selected by an external heat sink or an internal heat sink (in this example, the heat sink cup 17 is selected), the lens 18, the LED display panel 19, the lamp interface and the power supply box 20 are connected and installed as shown in FIG. 4, and the heat dissipation is performed. As shown in Fig. 5, the fan-shaped heat sink is equally spaced around the heat sink cup 17, and the heat dissipation area is: (heat dissipation surface 21 + heat dissipation surface 22 + heat dissipation surface 23 + heat dissipation surface 24 + heat dissipation surface 25) * 18 = 6500 square In millimeters, the inside of the traditional heat sink is shown in Figure 6. It is a solid or power supply cavity that cannot be used, resulting in uneven heat dissipation of the conventional heat sink. In order to fully solve the heat dissipation problem of the conventional LED lamp, the present invention designs a unique heat dissipation structure, that is, a combined three-dimensional heat dissipation structure. The specific structure of the heat dissipation structure is as shown in FIG. 2, and is composed of an internal heat sink 2 and one or more heat dissipation cups 1. The overall outer shape of the heat dissipation cup 1 is like an inverted basin, and is at the center of a circular horizontal plane at the top of the heat dissipation cup 1. Digging a circular through hole whose diameter is consistent with the inner diameter of the cylindrical hollow fin at the center of the inner heat sink 2, and omitting two circles of equal diameter at the left and right symmetrical positions of the circular through hole Through holes, the diameters of the two circular through holes are the same as the inner diameters of the two symmetrical cylindrical hollow fins at the corresponding positions inside the internal heat sink 2, and are dug out on the bisector of the circular horizontal plane at the top of the heat sink The four vertical projection surfaces are rounded rectangular venting grooves 6. The internal heat dissipating body 2 is internally constructed with a discontinuous multi-layered heat sink as a main body. A cylindrical hollow fin 14 is disposed at a central position of the disc-shaped base, and two cylindrical symmetrical fins 14 are respectively disposed at the left and right symmetrical positions. Cylindrical hollow fins with equal inner and outer diameters, based on the center of the cylindrical hollow fin 14 at the center, two non-continuous arc fins are arranged from the inside to the outside on the bisector of the disc base. 12, 13, a cavity is left between the inner circular arc fin and the outer circular fin, and both ends of the inner circular arc fin and the outer end of the outer arc fin are centered and centered The cylindrical hollow fin 14 is connected to the center of the circle to form a fan-shaped shape. The four outer circular arc fins are dug outwardly to dig four vertical projection surfaces with a rounded rectangular LED display panel venting groove 8 for internal heat dissipation. The heat of the device is fully exchanged with the external cold air.
所述内部散热体散热片的数量、 形状及各散热片之间的间距， 可以根据具 体灯具空间大小确定； 所述散热杯的数量及尺寸， 可根据灯具具体外型要求， 由一件或者两件以上散热体组成。本实施例所能达到的散热面积： 散热面 12*8+ 散热面 13*8+散热面 14+散热面 15+散热面 16*8=15000平方毫米，由于是立体散 热结构， 所以具备一个散热体双面散热效果， 计算散热面积正反双面。  The number and shape of the inner heat sink fins and the spacing between the heat sinks may be determined according to the specific size of the light fixture; the number and size of the heat sink cups may be one or two according to the specific shape requirements of the light fixtures. The above components are composed of heat sinks. The heat dissipation area that can be achieved in this embodiment: heat dissipation surface 12*8+ heat dissipation surface 13*8+ heat dissipation surface 14+ heat dissipation surface 15+ heat dissipation surface 16*8=15000 square millimeter, since it is a three-dimensional heat dissipation structure, it has a heat dissipation The double-sided heat dissipation effect is calculated, and the heat dissipation area is calculated on both sides.
将散热外杯 1、 内部散热体 2、 透镜 3、 LED显示板 4、 灯具接口及电源盒 5 依图 1所示方式连接， 具体的说， 将散热杯 1套在内部散热体 2的上方， 散热 外杯 1顶部连接灯具接口及电源盒 5， 内部散热体 2底部连接 LED显示板 4， LED 显示板 4底部安装透镜 3， 即得到如图 3所示的 LED灯具。 如图 3所示， 内部散热体 2和上方灯具插口电源盒 5留有空腔， 便于内部 散热器热量与冷空气充分交换， 既增加散热结构的通透度， 又以保护电源部分 不会过热， 延长电源寿命。 The heat dissipation outer cup 1, the inner heat sink 2, the lens 3, the LED display panel 4, the lamp interface and the power supply box 5 Connected in the manner shown in Figure 1, specifically, the heat sink 1 is placed over the internal heat sink 2, the top of the heat sink cup 1 is connected to the lamp interface and the power box 5, and the bottom of the internal heat sink 2 is connected to the LED display panel 4, LED The lens 3 is mounted on the bottom of the display panel 4, that is, the LED lamp shown in Fig. 3 is obtained. As shown in FIG. 3, the internal heat sink 2 and the upper lamp socket power supply box 5 have a cavity, which facilitates the internal heat exchange and the cold air to be fully exchanged, thereby increasing the transparency of the heat dissipation structure and protecting the power supply part from overheating. , extend the life of the power supply.
本发明还包括一种用于 LED球泡灯充分利用发光球头空间的散热方法及其 装置， 如图 7所示。  The present invention also includes a heat dissipation method and apparatus for LED bulbs that make full use of the illumination ball head space, as shown in FIG.
这种 LED球泡灯的具体方法如下所述： 将整个 LED球泡灯球头发光体， 分 成若干个独立的发光体， 独立的发光体之间设有空腔， 整个球头的空间被打开， 增加了空腔处散热面外， 垂直方向的热对流通道也被打开。  The specific method of the LED bulb is as follows: The entire LED bulb bulb is divided into a plurality of independent illuminators, and a cavity is provided between the independent illuminators, and the space of the entire ball is opened. , the heat convection channel in the vertical direction is also opened outside the heat dissipation surface of the cavity.
本发明中 LED球泡灯的结构包括灯罩、 LED显示板、 发光面散热体、 内部散 热体、 散热外杯、 灯具接口及电源盒， 组合式立体散热结构由发光面散热体、 内部散热体、 散热外杯组成， 发光面散热体底部连接 LED显示板， 发光面散热 体顶部连接内部散热体， 内部散热体顶部罩设有散热外杯， 发光面散热体中部 设有若干与发光面散热体表面倾斜的散热片， 发光面散热体底部罩设有若干不 连续灯罩， 内部散热体上设有若干不连续多层立体散热片， 散热外杯上开设有 若干槽或孔。 散热外杯设有杯体内侧散热面和杯体外侧散热面， 内部散热体设 有多层立体散热片组成散热面，发光面散热体设有不连续灯罩间的散热面和 LED 显示板后部散热面。 内部散热体上的多层散热片之间设有空腔， 发光面散热体 设有不连续灯罩间的散热面空腔， 散热外杯和内部散热体之间设有空腔， 灯具 接口及电源盒与内部散热体之间设有空腔。  The structure of the LED bulb in the invention comprises a lamp cover, an LED display panel, a light emitting surface heat sink, an internal heat sink, a heat dissipation outer cup, a lamp interface and a power supply box, and the combined three-dimensional heat dissipation structure comprises a light emitting surface heat sink and an internal heat sink, The heat-dissipating outer cup is composed, the bottom of the light-emitting surface heat-dissipating body is connected with the LED display board, the top of the light-emitting surface heat-dissipating body is connected with the internal heat-dissipating body, the inner heat-dissipating body top cover is provided with a heat-dissipating outer cup, and the surface of the light-emitting surface heat-dissipating body The inclined heat sink has a plurality of discontinuous lamp covers on the bottom cover of the light-emitting surface, and a plurality of discontinuous multi-layer heat sinks are disposed on the inner heat sink body, and a plurality of slots or holes are formed in the heat dissipation outer cup. The heat dissipating outer cup is provided with a heat dissipating surface on the inner side of the cup body and a heat dissipating surface on the outer side of the cup body. Cooling surface. A cavity is arranged between the plurality of heat dissipation fins on the internal heat dissipating body, the heat dissipating surface of the light emitting surface is provided with a heat dissipating surface cavity between the discontinuous lamps, and a cavity is formed between the heat dissipating outer cup and the internal heat dissipating body, the lamp interface and the power source A cavity is provided between the box and the internal heat sink.
本发明还包括一种用于 Par38 LED灯的组合式立体散热结构， 包括盖板、 透镜、 LED显示板、 内部散热体、 散热外杯、 灯具接口及电源盒， 组合式立体散 热结构包括盖板、 内部散热体、 散热外杯， 内部散热体底部连接盖板， 内部散 热器顶部罩设有散热外杯， 内部散热体上设有若干不连续多层立体散热片， 散 热外杯设有若干散热外杯透气槽， 内部散热体的多层立体散热片之间设有空腔， 在内部散热片的垂直面与内部散热片交界处设有 LED显示面透气槽， 盖板上设 有与 LED显示面透气槽对应的盖板透气槽， 散热外杯和内部散热体之间设有空 腔， 灯具接口及电源盒与内部散热体之间设有空腔。 散热外杯设有杯体内侧散 热面和杯体外侧散热面， 内部散热体设有不连续多层立体散热片组成散热面。 The invention also includes a combined three-dimensional heat dissipation structure for a Par38 LED lamp, including a cover plate, Lens, LED display panel, internal heat sink, heat sink cup, lamp interface and power box, combined stereo heat dissipation structure includes cover plate, internal heat sink, heat sink cup, internal heat sink bottom connection cover, internal heat sink top cover The heat dissipation outer cup is provided, and the inner heat dissipation body is provided with a plurality of discontinuous multi-layer three-dimensional heat sinks, the heat dissipation outer cup is provided with a plurality of heat dissipation outer cup ventilation grooves, and the inner heat dissipation body is provided with a cavity between the plurality of three-dimensional heat dissipation sheets, The vertical surface of the inner heat sink and the inner heat sink are provided with an LED display surface ventilation groove, and the cover plate is provided with a cover ventilation groove corresponding to the air leakage groove of the LED display surface, and the heat dissipation outer cup and the inner heat dissipation body are provided with an empty space. A cavity is provided between the cavity, the lamp interface and the power box and the internal heat sink. The heat dissipating outer cup is provided with a heat dissipating surface on the inner side of the cup body and a heat dissipating surface on the outer side of the cup body, and the inner heat dissipating body is provided with a discontinuous multi-layered heat dissipating fin to form a heat dissipating surface

Claims

权 利 要 求 书 Claim
1. 充分利用散热空间的 LED灯具组合式立体散热结构， 包括透镜、 LED显示板、 灯具接口及电源盒， 其特征在于所述的 LED灯具组合式立体散热结构由散热 外杯和内部散热体组合而成， 内部散热体外部罩设有散热外杯， 所述的内部 散热体底部连接 LED显示板， 散热外杯顶部连接灯具接口及电源盒， 内部散 热体顶部设有组合式不连续多层立体散热结构， 所述的组合式不连续多层立 体散热结构由若干个散热片构成， 相邻的散热片之间设有空腔。  1. The integrated three-dimensional heat dissipation structure of the LED lamp fully utilizing the heat dissipation space, including the lens, the LED display panel, the lamp interface and the power supply box, wherein the combined three-dimensional heat dissipation structure of the LED lamp is composed of a heat dissipation outer cup and an internal heat sink The inner heat sink outer cover is provided with a heat dissipating outer cup, the bottom of the inner heat dissipating body is connected with the LED display panel, the top of the heat dissipating outer cup is connected to the lamp interface and the power supply box, and the top of the inner heat dissipating body is provided with a combined discontinuous multi-layer three-dimensional The heat dissipation structure, the combined discontinuous multi-layer three-dimensional heat dissipation structure is composed of a plurality of heat dissipation fins, and a cavity is disposed between adjacent heat dissipation fins.
2. 如权利要求 1所述的充分利用散热空间的 LED灯具组合式立体散热结构， 其 特征在于所述的散热外杯和内部散热体之间设有空腔。 2. The integrated three-dimensional heat dissipation structure for an LED lamp that fully utilizes a heat dissipation space according to claim 1, wherein a cavity is disposed between the heat dissipation outer cup and the inner heat sink.
3. 如权利要求 1所述的充分利用散热空间的 LED灯具组合式立体散热结构， 其 特征在于所述的内部散热体与灯具接口及电源盒之间设有空腔。 3. The integrated three-dimensional heat dissipation structure for an LED lamp that fully utilizes a heat dissipation space according to claim 1, wherein the internal heat dissipation body is provided with a cavity between the lamp interface and the power supply box.
4. 如权利要求 1所述的充分利用散热空间的 LED灯具组合式立体散热结构， 其 特征在于所述的散热外杯上开设有若干个透气孔或透气槽。 4. The integrated three-dimensional heat dissipation structure for an LED lamp that fully utilizes a heat dissipation space according to claim 1, wherein the heat dissipation outer cup is provided with a plurality of vent holes or ventilation grooves.
5. 如权利要求 1所述的充分利用散热空间的 LED灯具组合式立体散热结构， 其 特征在于所述的 LED灯具组合式立体散热结构由内部散热体和一个或多个散 热外杯组成。 5. The integrated three-dimensional heat dissipation structure for an LED lamp that fully utilizes a heat dissipation space according to claim 1, wherein the LED lamp combined three-dimensional heat dissipation structure is composed of an internal heat sink and one or more heat dissipation outer cups.
6. 如权利要求 1所述的充分利用散热空间的 LED灯具组合式立体散热结构， 其 特征在于所述的内部散热体上开设有若干个 LED显示面透气槽。 6. The integrated three-dimensional heat dissipation structure for an LED lamp that fully utilizes a heat dissipation space according to claim 1, wherein the internal heat dissipation body is provided with a plurality of LED display surface ventilation grooves.
7. 如权利要求 1所述的充分利用散热空间的 LED灯具组合式立体散热结构， 其 特征在于所述的内部散热体圆形表面为散热面 15， 内部散热体圆形中心设有 圆柱体散热面 14， 圆柱体散热面 14外侧、 沿内部散热体圆形中心方向设有 若干层不连续立体散热片， 每层散热片正、 反两面设有散热面 12、 13， 所述 的散热外杯正、 反两面设有散热面 16。 7. The integrated three-dimensional heat dissipation structure for an LED lamp that fully utilizes a heat dissipation space according to claim 1, wherein the circular surface of the internal heat dissipation body is a heat dissipation surface 15, and the circular heat dissipation body has a cylindrical heat dissipation center. The surface 14 is disposed outside the cylindrical heat dissipating surface 14 and along the circular center of the internal heat sink A plurality of layers of discontinuous three-dimensional heat sinks, each of which has a heat dissipating surface 12 on the front and back sides of the heat sink, and a heat dissipating surface 16 on the front and back sides of the heat dissipating outer cup.
8. 一种用于 MR16LED灯具的组合式立体散热结构， 包括透镜、 LED显示板、 灯 具接口及电源盒， 其特征在于所述的组合式立体散热结构由散热外杯和内部 散热体组合而成， 内部散热体中心设有圆柱体散热面 14， 圆柱体散热面 14 外圈等间距设有两层立体散热层， 每层立体散热层由四块扇形立体散热片组 成， 扇形立体散热片之间设有空腔， 内部散热体上开设有四个 LED显示面透 气槽， 所述的四个 LED显示面透气槽设置于外层扇形立体散热片外侧， 散热 外杯上开设有四个透气槽， 散热外杯和内部散热体之间设有空腔， 内部散热 体与灯具接口及电源盒之间设有空腔。  8. A combined three-dimensional heat dissipation structure for an MR16 LED lamp, comprising a lens, an LED display panel, a lamp interface and a power supply box, wherein the combined three-dimensional heat dissipation structure is composed of a heat dissipation outer cup and an internal heat sink. The center of the internal heat dissipating body is provided with a cylindrical heat dissipating surface 14 , and the outer surface of the cylindrical heat dissipating surface 14 is provided with two layers of three-dimensional heat dissipating layers at equal intervals, and each layer of the three-dimensional heat dissipating layer is composed of four fan-shaped three-dimensional heat dissipating fins, between the fan-shaped three-dimensional heat sinks A cavity is provided, and four LED display surface ventilation slots are defined in the internal heat dissipation body, and the four LED display surface ventilation grooves are disposed outside the outer fan-shaped three-dimensional heat dissipation fin, and four heat-dissipating grooves are formed on the heat dissipation outer cup. A cavity is arranged between the heat dissipation outer cup and the inner heat sink, and a cavity is formed between the inner heat sink and the lamp interface and the power box.
9. 如权利要求 8所述的一种用于 MR16LED灯具的组合式立体散热结构， 其特征 在于所述的圆柱体散热面 14和两层立体散热层共同构成组合式不连续多层 立体散热结构。 9. The combined three-dimensional heat dissipation structure for an MR16 LED lamp according to claim 8, wherein the cylindrical heat dissipation surface 14 and the two-layer three-dimensional heat dissipation layer together form a combined discontinuous multi-layer heat dissipation structure. .
10.用于 LED灯具充分利用散热空间的散热方法， 其特征在于具体方法包括： a.增加散热面积， 采用内外散热体相结合， 外散热体采用一个或者多个 散热外杯， 在散热外杯上开槽或者开孔， 使得散热外杯的内外两面都可以散 热， 也便于内部散热体和外部进行冷热交换； b.充分利用灯具内部空间， 将 LED显示面前移， 并压縮电源所占空间， 将灯具内部空间做成组合式不连续多层立体散热结构； c.使散热结构通透， 提高内外散热体的散热效果， 采用散热体组合式结 构， 各散热体之间都设有空腔， 散热外杯开槽， 内部散热体显示板方向开槽， 形成 XYZ三个方向立体热对流通道； d.降低电源盒电源的环境温度， 延长电源寿命， 在内部散热体与灯具接 口及电源盒之间设有空腔。 10. The heat dissipation method for the LED luminaire to fully utilize the heat dissipation space, wherein the specific method comprises: a. increasing the heat dissipation area, combining the inner and outer heat dissipation bodies, and the outer heat dissipation body adopting one or more heat dissipation outer cups, and the heat dissipation outer cup Slotting or opening, so that the inner and outer surfaces of the heat-dissipating cup can be dissipated, and the internal heat sink and the outside can be exchanged for heat and cold; b. Make full use of the internal space of the lamp, move the LED display forward, and compress the power supply Space, the internal space of the lamp is made into a combined discontinuous multi-layer three-dimensional heat dissipation structure; c. The heat dissipation structure is transparent, and the heat dissipation effect of the internal and external heat dissipation bodies is improved, and the heat dissipation body combined structure is adopted, and each heat dissipation body is provided with an empty space Cavity, the outer cup of the heat sink is slotted, and the inner heat sink is slotted in the direction of the display panel. Forming three-dimensional stereo convection channels in XYZ; d. reducing the ambient temperature of the power supply box power supply, extending the life of the power supply, and providing a cavity between the internal heat sink and the lamp interface and the power supply box.
11.一种用于 LED球泡灯充分利用发光球头空间的散热方法， 其特征在于具体方 法包括： 将整个 LED球泡灯球头发光体， 分成若干个独立的发光体， 独立的发光体 之间设有空腔， 整个球头的空间被打开， 增加了空腔处散热面外， 垂直方向的 热对流通道也被打开。 11. A heat dissipation method for an LED bulb to make full use of a luminescent ball head space, characterized in that the specific method comprises: dividing the entire LED bulb bulb illuminator into a plurality of independent illuminators, independent illuminators A cavity is provided between them, and the space of the entire ball head is opened, and the heat convection passage in the vertical direction is also opened, and the heat convection passage in the vertical direction is also opened.
12.—种用于 LED球泡灯的组合式立体散热结构， 包括灯罩、 LED显示板、 发 光面散热体、 内部散热体、 散热外杯、 灯具接口及电源盒， 其特征在于组合 式立体散热结构由发光面散热体、 内部散热体、 散热外杯组成， 发光面散热 体底部连接 LED显示板， 发光面散热体顶部连接内部散热体， 内部散热体 顶部罩设有散热外杯， 所述的发光面散热体中部设有若干与发光面散热体表 面倾斜的散热片， 发光面散热体底部罩设有若干不连续灯罩， 内部散热体上 设有若干不连续多层立体散热片， 散热外杯上开设有若干槽或孔。 12. A combined three-dimensional heat dissipation structure for LED bulbs, comprising a lampshade, an LED display panel, a light-emitting surface heat sink, an internal heat sink, a heat-dissipating outer cup, a lamp interface and a power supply box, characterized by a combined three-dimensional heat dissipation The structure is composed of a light-emitting surface heat sink, an internal heat sink, and a heat-dissipating outer cup. The bottom of the light-emitting surface heat sink is connected to the LED display panel, the top of the light-emitting surface heat sink is connected to the internal heat sink, and the inner heat sink top cover is provided with a heat-dissipating outer cup. The middle part of the light-emitting surface heat-dissipating body is provided with a plurality of heat-dissipating fins inclined to the surface of the light-emitting surface heat-dissipating body, and the light-emitting surface heat-dissipating body bottom cover is provided with a plurality of discontinuous lamp covers, and the inner heat-dissipating body is provided with a plurality of discontinuous multi-layer three-dimensional heat sink There are a number of slots or holes in the upper opening.
13.如权利要求 12所述的一种用于 LED球泡灯的组合式立体散热结构， 其特征 在于所述的散热外杯设有杯体内侧散热面和杯体外侧散热面， 所述的内部散 热体设有多层立体散热片组成散热面， 所述的发光面散热体设有不连续灯罩 间的散热面和 LED显示板后部散热面。 The combined three-dimensional heat dissipation structure for an LED bulb according to claim 12, wherein the heat dissipation outer cup is provided with a heat dissipation surface on the inner side of the cup body and a heat dissipation surface on the outer side of the cup body, The internal heat sink is provided with a plurality of three-dimensional heat sinks to form a heat dissipating surface, and the light emitting surface heat dissipating body is provided with a heat dissipating surface between the discontinuous lamp covers and a rear heat dissipating surface of the LED display panel.
14.如权利要求 12所述的一种用于 LED球泡灯的组合式立体散热结构， 其特征 在于所述内部散热体上的多层散热片之间设有空腔， 发光面散热体设有不连 续灯罩间的散热面空腔， 散热外杯和内部散热体之间设有空腔， 灯具接口及 电源盒与内部散热体之间设有空腔。 —种用于 Par38 LED灯的组合式立体散热结构， 包括盖板、 透镜、 LED显示 板、 内部散热体、 散热外杯、 灯具接口及电源盒， 其特征在于组合式立体散 热结构包括盖板、 内部散热体、 散热外杯， 内部散热体底部连接盖板， 内部 散热器顶部罩设有散热外杯， 所述的内部散热体上设有若干不连续多层立体 散热片， 散热外杯设有若干散热外杯透气槽， 内部散热体的多层立体散热片 之间设有空腔， 在内部散热片的垂直面与内部散热片交界处设有 LED显示 面透气槽， 盖板上设有与 LED显示面透气槽对应的盖板透气槽， 散热外杯 和内部散热体之间设有空腔， 灯具接口及电源盒与内部散热体之间设有空 腔。 如权利要求 15所述的一种用于 Par38 LED灯的组合式立体散热结构， 其特 征在于所述的散热外杯设有杯体内侧散热面和杯体外侧散热面， 内部散热体 设有不连续多层立体散热片组成散热面。 The combined three-dimensional heat dissipation structure for an LED bulb according to claim 12, wherein a cavity is arranged between the plurality of heat dissipation fins on the internal heat dissipation body, and the heat dissipation surface of the light emitting surface is provided. Do not connect The cavity of the heat dissipating surface between the lampshade is continuously provided, and a cavity is formed between the heat dissipating outer cup and the internal heat dissipating body, and a cavity is arranged between the lamp interface and the power supply box and the internal heat dissipating body. A combined three-dimensional heat dissipation structure for a Par38 LED lamp, comprising a cover plate, a lens, an LED display panel, an internal heat sink, a heat dissipation outer cup, a lamp interface and a power supply box, wherein the combined three-dimensional heat dissipation structure comprises a cover plate, The inner heat dissipating body and the heat dissipating outer cup are connected to the bottom of the inner heat dissipating body, and the inner heat sink top cover is provided with a heat dissipating outer cup, and the inner heat dissipating body is provided with a plurality of discontinuous multi-layer three-dimensional heat sinks, and the heat dissipating outer cup is provided a plurality of heat-dissipating outer cup venting grooves, a cavity between the plurality of three-dimensional heat-dissipating fins of the internal heat-dissipating body, and an LED display surface venting groove at a boundary between the vertical surface of the inner heat-dissipating fin and the inner heat-dissipating fin, and the cover plate is provided with The cover surface of the LED display surface is corresponding to the ventilation groove of the cover, and the cavity between the heat dissipation outer cup and the internal heat dissipation body is provided, and a cavity is arranged between the lamp interface and the power supply box and the internal heat dissipation body. A combined three-dimensional heat dissipation structure for a Par38 LED lamp according to claim 15, wherein said heat dissipation outer cup is provided with a heat dissipating surface on the inner side of the cup body and a heat dissipating surface on the outer side of the cup body, and the inner heat dissipating body is provided The continuous multi-layered heat sink forms a heat dissipating surface.
PCT/CN2012/076602 2012-05-23 2012-06-07 Combined type three-dimensional heat radiation structure and method fully utilizing heat radiation space for led lamp WO2013174039A1 (en)

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