WO2015027407A1 - 发光二极管灯具 - Google Patents

发光二极管灯具 Download PDF

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Publication number
WO2015027407A1
WO2015027407A1 PCT/CN2013/082444 CN2013082444W WO2015027407A1 WO 2015027407 A1 WO2015027407 A1 WO 2015027407A1 CN 2013082444 W CN2013082444 W CN 2013082444W WO 2015027407 A1 WO2015027407 A1 WO 2015027407A1
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WO
WIPO (PCT)
Prior art keywords
fan
lamp
light
heat
heat dissipating
Prior art date
Application number
PCT/CN2013/082444
Other languages
English (en)
French (fr)
Inventor
陈惠强
Original Assignee
Chen Hui Chiang
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Filing date
Publication date
Application filed by Chen Hui Chiang filed Critical Chen Hui Chiang
Priority to PCT/CN2013/082444 priority Critical patent/WO2015027407A1/zh
Publication of WO2015027407A1 publication Critical patent/WO2015027407A1/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
    • 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
    • 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
    • F21K9/233—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 specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps
    • 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
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F21V29/677—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for discharging
    • 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
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to the technical field of lamps, and in particular to an active heat dissipation system for greatly enhancing light emitting diodes (Light Emitting) Diode; LED) Light-emitting diodes that are thermally efficient and waterproof.
  • LED Light Emitting
  • LED Light-emitting diodes
  • LED lamps LED street lamps, LED desk lamps, and various types of display lamps.
  • high-power LEDs emit light sources, they are often accompanied by extremely high heat sources.
  • LEDs can achieve high brightness, if LEDs cannot effectively reduce or dissipate the heat generated by LEDs, LEDs may be caused. Under high temperature, it may also affect the normal operation of LED and its service life will be relatively reduced due to the influence of high temperature. Therefore, the heat that LEDs cause when applied to lamps is an urgent problem to be solved.
  • a heat dissipation module is often provided, and the heat dissipation effect is improved by the improvement of the structure or material properties of the heat dissipation module.
  • passive heat dissipation is not efficient, and because the flow of the ambient gas depends on the heat dissipation efficiency, the heat dissipation is passive, so that the heat source cannot be forcibly and efficiently discharged.
  • a fan is used to force the gas to the surface of the LED or the heat dissipation module, the heat source is forcibly discharged.
  • the utilization of the fan has not been optimized, so the heat dissipation efficiency of the fan is superior to that of the heat dissipation module alone, but the heat dissipation efficiency is still slightly insufficient.
  • the inventor of the invention thought about and designed a light-emitting diode lamp. After years of painstaking research, it improved the existing technology, thereby improving the heat dissipation performance of the LED lamp and greatly improving the light efficiency of the lamp. The service life of the lamps and the implementation of the industry.
  • an object of the invention is to provide an LED lamp to solve the problem of poor heat dissipation efficiency of the conventional LED lamp.
  • an LED lamp which comprises a power supply member, a lamp housing, a fan, a heat sink and a lighting module.
  • One end of the power supply has a power connection.
  • the lamp housing is located at the other end of the power supply member; the lamp housing has a fan receiving space and a heat dissipating space, and the fan receiving space is adjacent to the power supply, and the lamp housing has a plurality of air inlets Connect the outside and the fan to accommodate the space.
  • the fan is disposed in the fan accommodating space, and is electrically connected to the power supply member in a waterproof manner.
  • the heat dissipating component is disposed in the heat dissipating component accommodating space, and the heat dissipating component has a illuminating module accommodating space, a gas receiving portion corresponding to the fan, and a plurality of exhaust passages; the gas receiving portion is located at one end of the heat dissipating component adjacent to the fan, and the illuminating module accommodating space Located at the other end of the heat sink, the exhaust passage communicates with the gas receiving portion and the outer side wall of the heat sink.
  • the light emitting module is disposed in the accommodating space of the light emitting module, and is electrically connected to the power supply member in a waterproof manner.
  • the lamp housing can be a cap structure, and the lamp housing is recessed inwardly adjacent to one end of the power supply member, and a fan receiving space is formed in the recess.
  • the one end of the heat sink adjacent to the recess portion may have a groove corresponding to the recess portion, and the gas receiving portion is disposed on the bottom surface of the groove.
  • the gas receiving portion may be a vertebral body structure that protrudes outward.
  • the outer side wall of the heat dissipating member may be provided with a heat dissipating portion, and the heat dissipating portion may include a plurality of heat dissipating convex portions protruding outward from the heat dissipating member.
  • the communication hole of the exhaust passage located at the outer side wall of the heat sink may be located between the heat dissipation convex portions.
  • the luminaire further comprises a cover covering the opening of the accommodating space of the illuminating module.
  • a waterproof layer is further disposed between the cover body and the heat sink.
  • the luminaire further comprises a reflector, which is located between the illuminating module and the cover.
  • the outer wall of the lamp housing can be recessed inward to form an annular stepped groove, and the luminaire can further comprise a decorative ring disposed on the annular stepped groove.
  • the annular stepped groove ring may be provided with a plurality of heat dissipating member through holes in an array, and the heat dissipating member corresponding to the heat dissipating member through hole may be provided with a plurality of heat dissipating member fixing holes for respectively dissipating heat through the plurality of fixing members.
  • the through hole is fixed to the heat sink fixing hole to fix the heat sink to the lamp housing.
  • the fan can suck the gas into the fan receiving space via the air inlet opening, and the gas is discharged through the gas receiving portion and the exhaust passage through the gas receiving portion and the exhaust passage, and the exhaust passage is disposed outside the lamp through the communication hole of the outer side wall of the heat sink.
  • the light emitting module is electrically connected to the power supply member through the gas receiving portion and the fan receiving space.
  • a waterproof layer is further disposed between the light emitting module and the heat sink.
  • the LED lamp of the invention has one or more of the following advantages:
  • the LED lamp of the present invention utilizes the heat dissipation structure of the heat sink itself, and the fan drives the gas into the LED lamp and discharges the LED lamp through the inside of the heat sink, thereby not only effectively improving the heat dissipation efficiency of the LED lamp. It can greatly improve the system light efficiency of LED lamps and the life of lamps.
  • the light-emitting diode lamp of the present invention forms a waterproof and sealed space by the shielding space of the light-emitting module and the barrier of the cover body, so as to prevent external moisture or moisture from entering, and the light-emitting module is waterproof and electrically connected through the arrangement of the inner and the waterproof layer.
  • the power supply is connected, thereby effectively improving the waterproof performance of the LED lamp.
  • the light-emitting diode lamp of the present invention can shield the assembled components of the light-emitting diode lamp disposed on the appearance by the arrangement of the decorative ring, thereby effectively improving the appearance.
  • FIG. 1 is a schematic exploded view of an LED lamp of the present invention.
  • FIG. 2 is a schematic view showing the combination of the LED lamps of the present invention.
  • FIG 3 is a cross-sectional view of a lamp housing of the LED lamp of the present invention.
  • FIG. 4 is a cross-sectional view of a heat sink of the LED lamp of the present invention.
  • FIG. 5 is a schematic diagram of gas flow of the LED lamp of the present invention.
  • FIG. 6 is a schematic diagram of electrical connection of a light emitting module of an LED lamp of the present invention.
  • FIG. 1 and FIG. 2 are respectively a schematic diagram and a combination diagram of an explosion of the LED lamp of the present invention.
  • the LED lamp 1 of the present invention comprises a power supply member 10, a lamp housing 20, a fan 30, a heat sink 40, a light emitting module 50, a cover 60 and a reflector 70.
  • the power supply member 10 is configured to supply power to the fan 30 and the light emitting module 50 to provide power required for the fan 30 and the light emitting module 50 to operate.
  • the heat dissipating member 40 is configured to absorb heat generated by the operation of the light-emitting module 50 to dissipate heat by the heat dissipation structure of the heat sink 40 itself and the gas flow driven by the fan 30.
  • the lamp housing 20 is intended to cover the exterior of each component and has a channel pin 27 for preventing hot air from remaining between the channel exit or between the lamp housing 20 and the heat sink 40.
  • the cover 60 is used to cover the light emitting module 50 to block moisture or the like from invading the light emitting module 50.
  • the reflector 70 is used to control the light shape and light distribution of the light source.
  • One end of the power supply member 10 has a power connection portion 11, and the power connection portion 11 can be a standard power connection connector such as E12, E14, E17 or E27.
  • the other end of the power supply member 10 is provided with a power supply member fixing portion 12 for fixing to the globe housing 20.
  • the globe housing 20 is provided at the other end of the power supply member 10 to be fixed to the power supply fixing portion 12.
  • the lamp housing 20 can be made of a material such as metal or plastic.
  • the lamp housing 20 has a fan accommodating space 21, a heat dissipating member accommodating space 22, and a plurality of air intake through holes 23, wherein the fan accommodating space 21 is located at one end of the lamp housing 20 adjacent to the power supply member 10, and the heat dissipating member accommodating space 22 is located at the other end of the lamp housing 20, and the air intake opening 23 is arranged in an annular array on the surface of the lamp housing 20 corresponding to the fan housing space 21 to communicate the external and fan housing space 21.
  • the fan 30 can be fixed in the fan accommodating space 21 by means of screws or the like, and the fan 30 is electrically connected to the power supply member 10 in a waterproof manner to obtain the required electric power, so that the external gas can be carried and sucked through the intake opening 23 to The fan accommodates the space 21.
  • the manner in which the fan 30 is electrically connected to the power supply member 10 in a waterproof manner can be covered by a waterproof glue or other similar waterproof covering to be electrically connected.
  • the heat dissipating member 40 may be made of a material having good thermal conductivity such as aluminum or copper, and is disposed in the heat dissipating member accommodating space 22 of the lamp housing 20 .
  • the heat sink 40 has a light emitting module housing space 41, a gas receiving portion 42, and a plurality of exhaust passages 43.
  • the gas receiving portion 42 is located at one end of the heat dissipating member 40 adjacent to the fan 30, that is, the gas receiving portion 42 is located at the air outlet of the fan 30, and the illuminating module accommodating space 41 is disposed at the other end of the heat dissipating member 40 for receiving Light module 50.
  • the exhaust passage 43 communicates between the gas receiving portion 42 and the outer side wall of the heat sink 40.
  • the light emitting module 50 includes at least one light emitting diode (Light Emitting) Diode; LED), a circuit board, and a driver circuit provided on the circuit board, and the like, which are well known to those skilled in the art.
  • the light emitting module 50 is electrically connected to the power supply member 10 in a waterproof manner, and is fixed to and in contact with the wall surface in the light emitting module receiving space 41 of the heat sink 40 to transfer thermal energy to the heat sink 40, and preferably, to emit light.
  • the position of the module 50 is a position corresponding to the gas receiving portion 42.
  • a heat conducting medium such as one of a graphite heat conducting sheet, a heat conducting tape, a thermal conductive paste or a ceramic heat conducting plate may be disposed (not shown) Show) to increase the efficiency or rate at which thermal energy is transferred from the light emitting module 50 to the heat sink 40.
  • the light-emitting module 50 can further include a carrier plate to carry components such as a light-emitting diode (LED), a circuit board, and the like, so that the light-emitting module 50 can be integrally fixed to the light-emitting module receiving space 41 by using the carrier plate.
  • the cover body 60 is a transparent cover structure and can be made of a material such as glass or plastic.
  • the cover 60 covers the opening of the illuminating module accommodating space 41.
  • the cover 60 can be fixed to the opening of the illuminating module accommodating space 41 by a water-repellent silicone (Silicone).
  • a waterproof layer 90 between the cover 60 and the heat sink 40 please refer to FIG. 6 , and thereby the possibility of preventing moisture from entering the light emitting module accommodating space 41 between the cover 60 and the heat sink 40 is achieved.
  • the reflector 70 can be disposed between the light emitting module 50 and the cover 60.
  • the reflector 70 can be a cup structure to receive the light emitted by the light module 50 and appropriately reflect the light and pass through the cover 60.
  • FIG. 3 and FIG. 4 are respectively a schematic cross-sectional view of a lamp housing of the LED lamp of the present invention and a schematic cross-sectional view of the heat dissipating member. Further to the lamp housing 20 and the heat sink 40.
  • the lamp housing 20 is a cap structure, and the lamp housing 20 is recessed inwardly adjacent to one end of the power supply member 10, and a fan receiving space 21 is formed in the recess 24 (as shown in FIG. 3). ).
  • the end of the heat dissipating member 40 adjacent to the recess portion 24 has a recess 44 corresponding to the recess portion 24 (as shown in FIG.
  • the gas receiving portion 42 is disposed on the bottom surface of the recess 44, and more preferably, the gas receiving portion 42
  • the vertebral body structure may be outwardly convex to facilitate dispersing the gas blown by the fan 30 to each of the exhaust passages 43.
  • the outer side wall of the heat sink 40 may be provided with a heat dissipating portion 45 (shown in FIG. 1) composed of a plurality of heat dissipating convex portions arranged in an annular array along the heat dissipating member 40.
  • the communication hole 431 of the exhaust passage 43 located on the outer side wall of the heat sink 40 is located between the heat dissipation convex portions of the heat dissipation portion 45 to appropriately discharge the gas by the gap between the heat dissipation convex portions.
  • the exhaust passages 43 are radially arranged inside the heat sink 40 to communicate the gas receiving portions 42 and the outer side walls of the heat sink 40.
  • the exhaust passage 43 may be provided with a communication hole 431 between each of the heat dissipation convex portions, that is, the number of the exhaust passages 43 corresponds to the number of intervals of the heat dissipation convex portions.
  • the globe housing 20 may be further provided with a plurality of exhaust openings 25 corresponding to the communication hole 431 for the gas to smoothly pass through the exhaust opening 25.
  • the globe housing 20 and the heat sink 40 can be fixed by means of screw locking.
  • the outer wall of the globe housing 20 may be recessed inwardly to form an annular stepped groove 26, and a plurality of fin through holes 261 are provided in the annular stepped groove 26 in an annular array.
  • the heat sink 40 can be provided with a plurality of heat sink fixing holes 46 corresponding to the heat sink through holes 261.
  • a plurality of fixing members such as screws are respectively fixed to the heat sink fixing holes 46 through the heat sink through holes 261 to fix the heat sink 40 to the globe housing 20.
  • the LED lamp 1 may further include a decorative ring 80 and be disposed in the annular stepped groove 26 to prevent the fixing member such as the screw from being exposed by the decorative ring 80 (see FIG. 1). And 2)).
  • the manner in which the decorative ring 80 is fixed to the annular stepped groove 26 can be utilized by a snap or the like, which is well known to those skilled in the art, and will not be further described herein.
  • FIG. 5 is a schematic diagram of gas flow of the LED lamp of the present invention.
  • the power supply 10 supplies power to the fan 30 and the light emitting module 50
  • the light emitting module 50 is driven by the power to emit light to generate light, and the light is emitted to the light through the cover 60 and the reflector 70.
  • the diode lamp 1 is outside.
  • the light-emitting module 50 transmits thermal energy to the heat sink 40 by direct contact or indirect contact with the heat sink 40 (indirect contact with a heat-conducting medium) due to thermal energy generated during light-emitting, wherein the gas receiving portion 42
  • the portion of the heat sink 40 between the light emitting module 50 and the portion of the heat sink 40 that is in direct contact with the light emitting module 50 is a main heat energy region.
  • the fan 30 is driven by electric power to start the flow of the gas to suck the air outside the light-emitting diode lamp 1 into the fan accommodation space 21 through the intake opening 23.
  • the fan 30 propels the air into the gas receiving portion 42, that is, directly blows toward the main heat energy region.
  • the gas blown toward the gas receiving portion 42 is uniformly affected to flow outward by the gas receiving portion 42 of the vertebral body structure, and enters the exhaust passage 43.
  • the gas in the exhaust passage 43 is exhausted from the heat dissipation member 40 through the communication hole 431 of the exhaust passage 43 located on the outer side wall of the heat sink 40, and then between the heat dissipation convex portions and the lamp housing through the heat dissipation portion 45.
  • the gap of 20 flows out or is discharged outside the LED lamp 1 and blocks the flow of hot air into the interior of the LED lamp 1 by the channel pin 27 to effectively prevent hot air from remaining near the channel exit or the lamp housing 20 And between the heat sink 40.
  • the fan 30 can also be blown out of the intake opening 23 instead of the aforementioned configuration.
  • the air flowing through the fan 30 causes the gas to enter the LED lamp 1 through the gap between the heat dissipating convex portions of the heat dissipating portion 45 and the lamp housing 20, and then continuously passes through the communication hole 431 and the exhaust passage. 431.
  • the gas receiving unit 42, the fan housing space 21, and the intake opening 23 flow out or are discharged into the LED lamp 1. Therefore, the flow of gas entering through the inlet opening 23 should not be limited.
  • the light-emitting diode lamp 1 of the present invention dissipates heat by using the heat-dissipating convex portions of the heat-dissipating portion 45, and further dissipates heat by means of exhaust gas, thereby greatly increasing the heat-dissipating performance of the light-emitting diode lamp 1.
  • FIG. 6 and FIG. 5 is a schematic diagram of electrical connections of the light-emitting module of the LED lamp of the present invention.
  • the light-emitting module 50 is electrically connected to the power supply member 10 in a waterproof manner.
  • the present invention mainly forms the light-emitting module accommodating space 41 provided by the light-emitting module 50 into a completely closed space to isolate the possibility of foreign matter such as moisture, moisture and the like, so that the light-emitting diode lamp 1 can reach the high waterproof level of IP65.
  • the light emitting module 50 is electrically connected to the power supply member 10 through the gas receiving portion 42 and the fan receiving space 21 .
  • At least one through hole may be disposed between the light emitting module accommodating space 41 and the fan accommodating space 21, that is, the through hole is a wall surface and gas receiving between the gas receiving portion 42 and the heat sink 40.
  • the portion 42 communicates with the light emitting module accommodating space 41 and the fan accommodating space 21 .
  • the connecting line of the light emitting module 50 can enter the fan receiving space 21 through the through hole, so that the power supply member 10 can be electrically connected.
  • the waterproof hole can be filled in the through hole to form the waterproof layer 90. Thereby, the light emitting module 50 and the power supply member 10 can be electrically connected to each other, and the gas receiving portion 42 and the fan receiving space 21 can also be performed. Complete isolation.
  • the waterproof layer 90 may be coated or provided on the cover 60 or the heat sink 40. After the cover 60 is disposed, the waterproof layer 90 can effectively block foreign matter such as moisture from entering between the cover 60 and the heat sink 40 into the light-emitting module housing space 41.
  • the light-emitting diode (LED) lamp of the present invention utilizes a heat dissipating structure of the heat dissipating component itself (such as each heat dissipating convex portion of the heat dissipating portion) to perform a part of heat dissipating, and further drives the gas into the LED lamp through the fan and transmits the heat through the fan.
  • the inside of the piece absorbs the heat absorbed by the light-emitting module and is discharged to the LED lamp, thereby integrating a strong and effective heat dissipation system to improve the heat dissipation efficiency of the LED lamp.
  • the light-emitting diode lamp of the present invention forms a sealed space for blocking the entry of foreign matter such as moisture by the arrangement of the waterproof layer, so as to prevent external moisture or moisture from entering. Effectively improve the waterproof performance of LED lamps.

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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

一种发光二极管灯具（1），包括电源供应件（10）、灯罩壳体（20）、风扇（30）、散热件（40）及发光模块（50）。电源供应件（10）一端具有电源连接部（11），另一端固定于灯罩壳体（20）。灯罩壳体（20）具有相连通的风扇容置空间（21）及散热件容置空间（22），并有多个进气开口（23）连通外部与风扇容置空间（21）。风扇（30）设置于风扇容置空间（21），防水地电性连接电源供应件（10）。散热件（40）设置于散热件容置空间（22），其具有发光模块容置空间（41）、气体接收部（42）及多个排气通道（43）；气体接收部（42）位于散热件（40）邻近于风扇（30）的一端，发光模块（50）位于另一端，排气通道（43）连通气体接收部（42）与散热件（40）的外侧壁。发光模块（50）设置于发光模块容置空间（41），防水地电性连接电源供应件（10）。发光二极管灯具（1）具有良好的散热效率，及防水性能。

Description

发光二极管灯具 技术领域
发明涉及灯具的技术领域，特别地，涉及一种主动式散热***以大幅增进发光二极管(Light Emitting Diode；LED)散热效益且兼防水效能的发光二极管灯具。
 背景技术
随著科技的日新月益，发光二极管(Light Emitting Diode；LED)的应用层面也变的逐渐的宽广，发光二极管被利用于如：LED车灯、LED路灯、LED台灯以及各式显示小灯，皆有利用LED制做出来的产品。由于高功率之LED发出光源时大多会伴随著极高的热源产生，虽说LED可达到高亮度之功效，但若不能有效的降低或散去LED因自身所产生的热的累积，可能会造成LED处于高温之下，也会因为高温的影响之下，则可能进一步影响LED的正常运作及其使用寿命也会相对减少。因此，LED应用于灯具时所会造成的热，是急需解决之问题。
　　　因此，在大多数照明装置中，多半都会设置一散热模块，并藉由散热模块之结构或材料特性方面的改良而提升散热效果。然而，此种被动方式的散热，其效率不高，且因需依赖环境气体的流动方有较佳的散热效率，故其散热较为被动式，从而无法强制而有效率地将热源排出。另外，虽然亦有利用风扇强制将气体带动至LED或散热模块表面，从而强制的将热源排出。然而，风扇的利用并未达到最佳化，故利用风扇的方式的散热效率虽优于仅设置散热模块的方式，但其散热效率仍略有不足之处。
　　　综观之前所述，发明的发明人思索并设计了一种发光二极管灯具，经多年苦心研究，以针对现有技术的缺失加以改善，进而增进发光二极管灯具散热效能，并大幅提高灯具光效，增加灯具的使用寿命，及产业上的实施利用。　　　
 技术问题
基于上述现有技术的问题，发明目的在于提供一种发光二极管灯具，以解决习知技艺的发光二极管灯具的散热效率不佳的问题。
技术解决方案
根据发明的目的，提出一种发光二极管灯具，其包含了电源供应件、灯罩壳体、风扇、散热件及发光模组。电源供应件的一端具有电源连接部。灯罩壳***于电源供应件的另一端；灯罩壳体具有相连通的风扇容置空间及散热件容置空间，而风扇容置空间邻近于电源供应件，且灯罩壳体具有多个进气开口以连通外部与风扇容置空间。风扇设置于风扇容置空间，且防水地电性连接电源供应件。散热件设置于散热件容置空间，且散热件具有发光模块容置空间、对应风扇的气体接收部及多个排气通道；气体接收部位于散热件邻近于风扇的一端，发光模块容置空间位于散热件的另一端，排气通道连通气体接收部与散热件的外侧壁。发光模块设置于发光模块容置空间，且防水地电性连接电源供应件。
　　　优选地，灯罩壳体可为帽体结构，且灯罩壳体邻近于电源供应件的一端向内凹陷有凹陷部，而于凹陷部中形成风扇容置空间。
　　　优选地，散热件邻近凹陷部的一端对应凹陷部可具有凹槽，且气体接收部设置于凹槽的底面。
　　　优选地，气体接收部可为向外凸出的椎体结构。
　　　优选地，散热件的外侧壁可设置有散热部，散热部可包含多个由散热件向外凸出的散热凸部。
　　　优选地，排气通道位于散热件的外侧壁的连通孔可位于各散热凸部之间。
　　　优选的，灯具更可包含盖体，其覆盖于发光模块容置空间的开口上。
　　　优选地，盖体与散热件之间更可设有防水层。
　　　优选地，灯具更可包含反光件，其位于发光模块与盖体之间。
　　　优选地，灯罩壳体的外壁可向内凹陷形成环状阶梯槽，灯具更可包含设置于的环状阶梯槽的装饰环。
　　　优选地，环状阶梯槽环以状阵列地可设有多个散热件通孔，散热件对应散热件通孔可设有多个散热件固定孔，以藉由多个固定件分别穿过散热件通孔固定于散热件固定孔，以将散热件固定于灯罩壳体。
　　　优选地，风扇可经由进气开口将气体吸入风扇容置空间，气体再经由气体接收部及排气通道，而由排气通道位于散热件的外侧壁的连通孔排出于灯具外。
　　　优选地，发光模块可经由气体接收部及风扇容置空间防水地电性连接电源供应件。
　　　优选地，发光模块与散热件之间更可设有防水层。
 有益效果
由上所述，发明提出的发光二极管灯具，具有一或多个下述优点：
　　　(1)本发明发光二极管灯具利用散热件本身的散热结构，且藉由风扇带动气体进入发光二极管灯具并经由散热件内部排出发光二极管灯具，藉此不仅可有效的提升发光二极管灯具的散热效率，并可大幅提高发光二极管灯具的***光效及灯具的寿命。
　　　(2)本发明发光二极管灯具藉由发光模块容置空间及盖体的阻隔而形成防水密闭空间，以防止外界水分或水气进入，且发光模块经由内部及防水层的设置以防水地电性连接电源供应件，藉此可有效提升发光二极管灯具的防水性能。
　　　(3)本发明发光二极管灯具藉由装饰环的设置，可遮蔽发光二极管灯具的设置于外观的组合元件，藉此可有效提升美观性。
 附图说明
图1为本发明发光二极管灯具的***示意图。
　　　图2为本发明发光二极管灯具的组合示意图。
　　　图3为本发明发光二极管灯具的灯罩壳体剖面示意图。
　　　图4为本发明发光二极管灯具的散热件剖面示意图。
　　　图5为本发明发光二极管灯具的气体流动示意图。
　　　图6为本发明发光二极管灯具的发光模块电性连结示意图。　　　
 本发明的实施方式
为便于了解发明的技术特征、内容与优点及其所能达成的功效，兹将发明配合附图，并以实施例的表达形式详细说明如下，而其中所使用的附图，其主旨仅为示意及辅助说明书，并不是发明实施后的真实比例与精准配置，因此，不能将后续附图的比例与配置关系解读、限制发明在实际实施上的权利范围，在此提前说明。
　　　以下将参照相关附图，说明根据发明发光二极管（LED）灯具的实施例，为便于理解，下述实施例中相同组件以相同的符号标示来说明。
　　　请参阅图1及2，其分别为本发明发光二极管灯具的***示意图及组合示意图。本发明的发光二极管灯具1包含了电源供应件10、灯罩壳体20、风扇30、散热件40、发光模块50、盖体60及反光件70。其中电源供应件10用以供应电力至风扇30及发光模块50，以提供风扇30及发光模块50作动时所需的电力。而散热件40用以吸收发光模组50作动时所产生的热能，以藉由散热件40本身的散热结构及风扇30所带动的气体流动来进行散热。灯罩壳体20用于覆盖于各组件的外部，并有一通道栓销27，其目的为防止热空气滞留在通道出口附近或灯罩壳体20及散热件40之间。而盖体60则用以覆盖发光模块50以阻隔水分等侵损发光模块50。反光件70用于控制灯源的光形及光分布。
　　　电源供应件10的一端具有电源连接部11，电源连接部11可为习知的E12、E14、E17或E27等标准规格的电源连接接头。而电源供应件10的另一端设有电源供应件固定部12，以与灯罩壳体20进行固定。如上述的，灯罩壳体20设置于电源供应件10的另一端，以与电源供应件固定部12进行固定。灯罩壳体20可由金属或塑胶等材质所制成。
　　　灯罩壳体20具有风扇容置空间21、散热件容置空间22及多个进气通孔23，其中风扇容置空间21位于灯罩壳体20邻近电源供应件10的一端，散热件容置空间22则位于灯罩壳体20的另一端，而进气开口23对应于风扇容置空间21而以环状阵列的方式排列于灯罩壳体20的表面，以连通外部与风扇容置空间21。
　　　风扇30可利用螺丝等方式固定于风扇容置空间21中，且风扇30防水地电性连接电源供应件10以获得所需的电力，从而可进行运载并通过进气开口23吸入外部的气体至风扇容置空间21中。其中风扇30防水地电性连接电源供应件10的方式可利用防水胶或其他类似的防水包覆物进行包覆而电性连结。
　　　散热件40可由铝或铜等具良好导热性质的材质所制成，其设置于灯罩壳体20的散热件容置空间22中。散热件40具有发光模块容置空间41、气体接收部42及多个排气通道43。其中气体接收部42位于散热件40邻近于风扇30的一端，即气体接收部42是位于风扇30的出风口处，发光模块容置空间41则设置于散热件40的另一端，以供容置发光模块50。而排气通道43连通在气体接收部42与散热件40的外侧壁之间。
　　　发光模块50包含有至少一个的发光二极管(Light Emitting Diode；LED)、电路板及设置于电路板的驱动电路等所属领域技术人员所熟知的元件。发光模块50防水地电性连接电源供应件10，且其固定且接触于在散热件40的发光模块容置空间41内的壁面上，以将热能传递至散热件40，而较佳地，发光模块50的位置是对应于气体接收部42的位置。顺带一提的是，发光模块50与发光模块容置空间41的内壁面之间更可设置有如石墨导热片、导热胶带、导热膏或陶瓷导热板中的一种的导热介质（图中未绘示），以增加热能由发光模块50传递至散热件40的效率或速率。另外，发光模块50更可包含承载板，以承载发光二极（LED）、电路板等组件，以利用承载板适当的使发光模块50整体可固定于发光模块容置空间41。
　　　盖体60其为透明的盖体结构，可由玻璃或塑胶等材质所制成。盖体60覆盖于发光模块容置空间41的开口上。在实际运用中，盖体60可藉由具有防水性的矽胶（Silicone）而固定于发光模块容置空间41的开口上。换句话说，盖体60与散热件40之间具有防水层90（请参阅图6），并藉此达到防止水分由盖体60与散热件40之间进入发光模块容置空间41的可能性。值得注意的是，反光件70可设置于发光模块50与盖体60之间。反光件70可为杯体结构，以接收发光模块50所发出的光线，并适当的将光射反射并穿过盖体60。
　　　请配合图1、2参阅图3及4，图3及4分别为为本发明发光二极管灯具的灯罩壳体剖面示意图及散热件剖面示意图。进一步针对灯罩壳体20及散热件40来说。其中，灯罩壳体20为帽体结构，且灯罩壳体20邻近于电源供应件10的一端向内凹陷有凹陷部24，而于凹陷部24中形成风扇容置空间21（如图3所示）。另一方面，散热件40邻近凹陷部24的一端对应凹陷部24具有凹槽44（如图4所示），且气体接收部42设置于凹槽44的底面，较优选的，气体接收部42可为向外凸出的椎体结构，以利于将风扇30吹出的气体分散至各排气通道43。另外，散热件40的外侧壁上可设有由沿著散热件40环状阵列排列的多个散热凸部构成的散热部45（如图1所示）。值得注意的是，排气通道43位于散热件40的外侧壁的连通孔431位于散热部45的各散热凸部之间，以藉由各散热凸部之间的间隙从而可适当的排放气体。换句话说，排气通道43是以放射状的方式排列在散热件40的内部，以连通气体接收部42及散热件40的外侧壁。另外，排气通道43的设置可为在各散热凸部之间均具有连通孔431，即排气通道43的数量对应于散热凸部之间隔数量。当然地，亦以间隔几个散热凸部（例如两个或三个）的方式设置在散热凸部之间，故应不以本实施例所揭示的内容为限，其完全可因应实际的应用而加以变化。关于连通孔431排气的方面，灯罩壳体20可对应连通孔431进一步地设置有多个排气开口25，以供气体可顺利地通过排气开口25。
　　　顺带一提的是，灯罩壳体20及散热件40可利用螺丝锁附的方式进行固定。详细来说，灯罩壳体20的外壁可向内凹陷形成环状阶梯槽26，而于环状阶梯槽26中以环状阵列地设有多个散热件通孔261。另一方面，散热件40则可对应散热件通孔261设有多个散热件固定孔46。此时，可藉由多个如螺丝的固定件分别穿过散热件通孔261固定于散热件固定孔46，以将散热件40固定于灯罩壳体20。而在外观性的方面进行考量，发光二极管灯具1可更包含装饰环80，并将其设置于环状阶梯槽26，以藉由装饰环80避免如螺丝的固定件显露于外（如图1及2所示）。其中装饰环80固定于环状阶梯槽26的方式，可利用卡扣等方式，其为所属领域的技术人员所熟知，于此便不再加以赘述。
　　　请参阅图5，其为本发明发光二极管灯具的气体流动示意图。如图所示，当电源供应件10供应电力至风扇30及发光模块50时，发光模块50受电力的驱动而进行发光以产生光线，并通过盖体60及反光件70以将光线发射至发光二极管灯具1外。此时，发光模块50因发光时所产生的热能，也藉由与散热件40的直接接触或间接接触（间接接触为具有导热介质）而将热能传递至散热件40上，其中气体接收部42与发光模块50间的散热件40的部分为直接与发光模块50接触的部分，故其为主要的热能区域。
　　　另外，同时间地，风扇30受电力的驱动而开始带动气体的流动，以通过进气开口23而将发光二极管灯具1外的空气吸入风扇容置空间21中。接著，风扇30将空气推进气体接收部42，即直接的吹向主要的热能区域。吹向气体接收部42的气体因受椎体结构的气体接收部42的影响，从而均匀的往外流动，并进入排气通道43。接著，于排气通道43的气体会由排气通道43位于散热件40的外侧壁的连通孔431排出于散热件40外，且再经由散热部45的各散热凸部之间与灯罩壳体20的间隙流出或排出于发光二极管灯具1之外，且藉由通道栓销27来阻挡热空气往发光二极管灯具1内部的流动，以有效地防止热空气滞留在通道出口附近或灯罩壳体20及散热件40之间。顺带一提的是，于实际运用中，风扇30亦可相反于前述的配置，而改为将气体由进气开口23吹出。换句话说，经由风扇30的带动气流，气体会由散热部45的各散热凸部之间与灯罩壳体20的间隙进入发光二极管灯具1内，再依续地经由连通孔431、排气通道431、气体接收部42、风扇容置空间21及进气开口23而流出或排出于发光二极管灯具1内。故，不应以气体由进气开口23进入的的流动方式作为局限。
　　　藉此，本发明的发光二极管灯具1在利用散热部45的各散热凸部来进行散热之外，更利用了排气的方式进行散热，而大幅的增加发光二极管灯具1的散热效能。
　　　请参阅图6并配合参阅图5，图6为本发明发光二极管灯具的发光模块电性连结示意图。如图所示，在发光模块50与电源供应件10的防水地电性连接方面。本发明主要是将发光模块50所设置的发光模块容置空间41形成为一个完全的密闭空间，以隔离水分、水气等异物进入的可能性，从而发光二极管灯具1可达IP65的高防水等级。其中发光模块50是经由气体接收部42及风扇容置空间21防水地电性连接电源供应件10。
　　　举例来说，在发光模块容置空间41与风扇容置空间21之间可设置有至少一个通孔，即，所述通孔是穿过气体接收部42与散热件40间的壁面及气体接收部42而连通发光模块容置空间41与风扇容置空间21。此时，发光模块50的连接线可通过所述通孔进入风扇容置空间21，从而可于电源供应件10进行电性连接。接著，可于通孔中填充防水胶以形成防水层90，藉此，发光模块50与电源供应件10间可确实的电性连接，且亦可将气体接收部42及风扇容置空间21进行完全的隔离。
　　　另外，盖体60组合至散热件40的发光模块容置空间41的开口上时，可于盖体60或散热件40上涂?或设置有防水层90。当盖体60后，则防水层90可有效的阻隔水分等异物由盖体60与散热件40之间进入发光模块容置空间41。
　　　综上所述，本发明发光二极管（LED）灯具利用散热件本身的散热结构（如散热部的各散热凸部）来进行一部分的散热，另外再藉由风扇带动气体进入发光二极管灯具并经由散热件内部来吸收散热件由发光模块所吸收的热并排出于发光二极管灯具，藉此整合一个强而有效的散热***以提升发光二极管灯具的散热效率。再者，本发明发光二极管灯具藉由防水层的设置，将发光模块所位于的发光模块容置空间形成一个可阻隔水分等异物进入的密闭空间，以防止外界水分或水气进入，藉此可有效提升发光二极管灯具的防水性能。
　　　以上所述仅为示例，而非为限制发明。任何未脱离发明的精神与范畴，而对其进行等效修改或变更，均应包含在本申请的权利要求范围中。　　　
　　　【主要组件符号说明】
　　　1：发光二极管灯具
　　　10：电源供应件
　　　11：电源连接部
　　　12：电源供应件固定部
　　　20：灯罩壳体
　　　21：风扇容置空间
　　　22：散热件容置空间
　　　23：进气开口
　　　24：凹陷部
　　　25：排气开口
　　　26：环状阶梯槽
　　　261：散热件通孔
　　　27：通道栓销
　　　30：风扇
　　　40：散热件
　　　41：发光模块容置空间
　　　42：气体接收部
　　　43：排气通道
　　　431：连通孔
　　　44：凹槽
　　　45：散热部
　　　46：散热件固定孔
　　　50：发光模块
　　　60：盖体
　　　70：反光件
　　　80：装饰环
　　　90：防水层

Claims (14)

  1. 一种发光二极管灯具，其特征在于，其包含：
    电源供应件，其一端具有电源连接部；
    灯罩壳体，其位于所述电源供应件的另一端，所述灯罩壳体具有相连通的风扇容置空间及散热件容置空间，而所述风扇容置空间邻近于所述电源供应件，且所述灯罩壳体具有多个进气开口以连通外部与所述风扇容置空间；
    风扇，其设置于所述风扇容置空间，且防水地电性连接所述电源供应件；
    散热件，其设置于所述散热件容置空间，所述散热件具有发光模块容置空间、对应所述风扇的气体接收部及多个排气通道，所述气体接收部位于所述散热件邻近于所述风扇的一端，所述发光模块容置空间位于所述散热件的另一端，所述排气通道连通所述气体接收部与所述散热件的外侧壁；以及
    发光模块，其设置于所述发光模块容置空间，且防水地电性连接所述电源供应件。
  2. 如权利要求1所述的发光二极管灯具，其特征在于，所述灯罩壳体为帽体结构，且所述灯罩壳体邻近于所述电源供应件的一端向内凹陷有凹陷部，而于所述凹陷部中形成所述风扇容置空间。
  3. 如权利要求 2 所述的发光二极管灯具，其特征在于，所述散热件邻近所述凹陷部的一端对应所述凹陷部具有凹槽，且所述气体接收部设置于所述凹槽的底面。
  4. 如权利要求3所述的发光二极管灯具，其特征在于，所述气体接收部为向外凸出的椎体结构。
  5. 如权利要求 1 所述的发光二极管灯具，其特征在于，所述散热件的外侧壁设置有散热部，所述散热部包含多个由所述散热件向外凸出的散热凸部。
  6. 如权利要求 5 所述的发光二极管灯具，其特征在于，所述排气通道位于所述散热件的外侧壁的连通孔位于各所述散热凸部之间。
  7. 如权利要求 1 所述的发光二极管灯具，其特征在于，所述灯具更包含盖体，其覆盖于所述发光模块容置空间的开口上。
  8. 如权利要求 7 所述的发光二极管灯具，其特征在于，所述盖体与所述散热件之间更设有防水层。
  9. 如权利要求 7 所述的发光二极管灯具，其特征在于，所述灯具更包含反光件，其位于所述发光模块与所述盖体之间。
  10. 如权利要求1所述的发光二极管灯具，其特征在于，所述灯罩壳体的外壁向内凹陷形成环状阶梯槽，所述灯具更包含装饰环，其设置于所述的环状阶梯槽。
  11. 如权利要求 10 所述的发光二极管灯具，其特征在于，所述环状阶梯槽以环状阵列地设有多个散热件通孔，所述散热件对应所述散热件通孔设有多个散热件固定孔，以藉由多个固定件分别穿过所述散热件通孔固定于所述散热件固定孔，以将所述散热件固定于所述灯罩壳体。
  12. 如权利要求1所述的发光二极管灯具，其特征在于，所述风扇经由所述进气开口将气体吸入所述风扇容置空间，所述气体再经由所述气体接收部及所述排气通道，而由所述排气通道位于所述散热件的外侧壁的连通孔排出于所述灯具外。
  13. 如权利要求1所述的发光二极管灯具，其特征在于，所述发光模块经由所述气体接收部及所述风扇容置空间防水地电性连接所述电源供应件。
  14. 如权利要求13 所述的发光二极管灯具，其特征在于，所述发光模块与所述散热件之间更设有防水层。
PCT/CN2013/082444 2013-08-28 2013-08-28 发光二极管灯具 WO2015027407A1 (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201129701Y (zh) * 2007-11-15 2008-10-08 东贝光电科技股份有限公司 灯具散热结构
CN102818160A (zh) * 2012-08-31 2012-12-12 深圳珈伟光伏照明股份有限公司 可导引气流交换、散热的led灯具
CN103196047A (zh) * 2012-01-09 2013-07-10 杨泰和 具轴向及径向气孔散热体的电能发光体

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201129701Y (zh) * 2007-11-15 2008-10-08 东贝光电科技股份有限公司 灯具散热结构
CN103196047A (zh) * 2012-01-09 2013-07-10 杨泰和 具轴向及径向气孔散热体的电能发光体
CN102818160A (zh) * 2012-08-31 2012-12-12 深圳珈伟光伏照明股份有限公司 可导引气流交换、散热的led灯具

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