WO2013107223A1 - Ampoule de lampe à diode électroluminescente (del) plein angle optique - Google Patents

Ampoule de lampe à diode électroluminescente (del) plein angle optique Download PDF

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Publication number
WO2013107223A1
WO2013107223A1 PCT/CN2012/085532 CN2012085532W WO2013107223A1 WO 2013107223 A1 WO2013107223 A1 WO 2013107223A1 CN 2012085532 W CN2012085532 W CN 2012085532W WO 2013107223 A1 WO2013107223 A1 WO 2013107223A1
Authority
WO
WIPO (PCT)
Prior art keywords
light sources
group
bulb
light
zone
Prior art date
Application number
PCT/CN2012/085532
Other languages
English (en)
Chinese (zh)
Inventor
赵铱楠
江新华
Original Assignee
深圳和而泰照明科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳和而泰照明科技有限公司 filed Critical 深圳和而泰照明科技有限公司
Publication of WO2013107223A1 publication Critical patent/WO2013107223A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • F21V7/0016—Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
    • 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
    • F21K9/232—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 an essentially omnidirectional light distribution, e.g. with a glass bulb
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/60—Light sources with three-dimensionally disposed light-generating elements on stacked substrates
    • 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 lighting fixtures, in particular to an LED full-angle light bulb. Background technique
  • ES Energy Star
  • ES for Class A bulbs ie, bulbs in the shape of standard incandescent lamps
  • the basic optoelectronic performance requirements such as luminous flux output and light efficiency
  • luminescence characteristics The change in light intensity within ⁇ 0-135 ° cannot exceed The average light intensity in this range is 20%, and the luminous flux in ⁇ 135-180° cannot be less than 5% of the total luminous flux.
  • Some of the bulbs in the prior art emit light from both sides with a blue LED as a light source, and a peripheral has a bulb mixed with a phosphor.
  • the bulb utilizes the diffusion characteristics of the bulb to achieve uniform light distribution at all angles.
  • the disadvantages of this solution are: The cost of the phosphor is high, and its yellow color makes the appearance of the bulb not widely accepted, and the side-illuminating panel is troublesome in production.
  • the present invention provides an LE D full-angle light bulb designed to evenly distribute the heat generated by the light source and increase the design space of the power supply, and to manufacture a high-power light bulb as needed.
  • Embodiments of the present invention provide an LED full-angle light bulb, including a lamp housing and a light source and a reflection unit disposed in the lamp housing, the light source including at least a first group of light sources, and a second group a light source and a third group of light sources, the reflection unit at least comprising a first reflector and a second reflector, the lamp housing being separated into a first zone, a second zone and a first by the first reflector and the second reflector In the three zones, the first group of light sources, the second group of light sources, and the third group of light sources are respectively disposed in the first zone, the second zone, and the third zone.
  • the lamp housing comprises a bulb and a heat sink, and the bulb and the heat sink are connected to form a closed chamber, the bulb comprising an inner bulb and an outer bulb.
  • the material of the inner layer bulb and the outer layer bulb is the same, or the material haze of the outer layer bulb is larger than the material haze of the inner layer bulb.
  • the light source is a plurality of LED illuminants, and the plurality of LED illuminants of the first group of light sources, the second group of light sources and the third group of light sources are respectively arranged in a circular shape.
  • the first group of light sources comprises N1 LED illuminants
  • the second group of light sources comprises N2 LED illuminators
  • the third group of light sources comprises N3 LED illuminators, N1: N2: N3 at 7: 3: 2 and 5: 3: 2 between.
  • the first set of light sources are reflected by the concave surface of the first reflector, and the second set of light sources and the third set of light sources are reflected by the concave surface of the second reflector.
  • the second group of light sources and the third group of light sources are disposed on the same horizontal plane.
  • the maximum vertical distance between the second group of light sources or the third group of light sources and the outer layer bulb is HI
  • the maximum vertical distance between the first group of light sources and the outer layer bulb is H2
  • H2 is between 1: 2 and 5: 6.
  • the outer blister has a radius R, the first group of light sources form a circular radius R1, and the second group of light sources form a circular radius R2, and the third group of light sources are formed.
  • the radius of the circle is R3, R: R1: R2: R3 is between 5: 3: 2: 1 and 12: 8: 5: 2.
  • the first zone is a first enclosed zone
  • the second zone and the third zone comprise a second enclosed zone
  • a plurality of LED illuminants in the first group of light sources form a series circuit
  • a plurality of LED illuminants in the second group of light sources form a series circuit
  • a plurality of LED illuminants in the third group of light sources form a series circuit
  • the first group The light source, the second set of light sources, and the third set of light sources form a parallel circuit.
  • a mounting plate is disposed between the light source and the heat sink.
  • the LED full-angle light bulb disclosed by the invention distributes the light emitted by the light source by the reflecting unit to achieve a 360-degree illumination surface without the illumination blind zone, and the light source is divided into the first group light source, the second group light source and the third group light source.
  • the heat generated by the light source is uniformly distributed to extend the life of the bulb in the present invention; the light source can be reasonably arranged, the space inside the bulb can be fully utilized, the design space of the power source can be increased, and then the power of the bulb can be made. Large, and the outline of the LED full-angle light bulb of the present invention can be made the same as that of the classic incandescent lamp to conform to the consumer's traditional aesthetics.
  • Figure 1 is a cross-sectional view of the LED full-angle light bulb of the present invention
  • FIG. 2 is a schematic view showing a test result of a light distribution curve of an LED full-angle light bulb according to a first embodiment of the present invention
  • FIG. 3 is a schematic view showing the test result of the light distribution curve of the LED full-angle light bulb in the second embodiment of the present invention.
  • the implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments. detailed description
  • the embodiment of the present invention provides an LED full-angle light bulb.
  • the LED full-angle light bulb comprises a lamp housing 1, a light source 2 and a reflection unit 3, and the light source 2 and the reflection unit 3 are disposed inside the lamp housing 1.
  • the lamp housing 1 includes a bulb 11 and a heat sink 12, and the bulb 11 and the heat sink 12 are connected to form a closed chamber in which the light source 2 and the reflecting unit 3 are disposed.
  • the bulb 11 includes an inner bulb 111 and an outer bulb 112. The advantage of providing the two shells 11 is that the light passes through the inner bulb 111 and is refracted by the outer bulb 112 to achieve secondary light distribution. .
  • the inner layer bulb 111 and the outer layer bulb 112 are of the same material and have the same ability to diffuse haze.
  • the inner blister 111 and the outer blister 112 may be made of different haze diffusion materials, for example, the outer blister 112 is made of a high haze material, and the inner blister 111 is made of a low haze material.
  • a mounting plate 4 is disposed between the heat sink 12 and the light source 2, and the heat sink 12 and the light source 2 are respectively disposed on the upper end surface and the lower end surface of the mounting board 4, that is, the heat generating device and the heat sink member are disposed together.
  • the heat dissipation speed is accelerated, the heat dissipation effect is enhanced, and the service life of the LED full-angle light bulb of the invention is prolonged.
  • the circuit can be screen printed directly on the heat sink 12, and the light source 2 is disposed directly on the heat sink 12.
  • the light source 2 is a plurality of LED illuminators, and is divided into at least three groups of light sources, wherein the three groups of light sources are a first group of light sources 21, a second group of light sources 22, and a third group of light sources 23, and the light source 2 is divided into a first group of light sources 21,
  • the purpose of the second group of light sources 22 and the third group of light sources 23 is to make full use of the space in the bulb 1; leaving the space saved by the source 2 to the power source, making it possible to make a high-power bulb;
  • the angle light bulb, the LED full-angle light bulb shape of the invention can be the same as the classic incandescent lamp, conforms to the traditional aesthetics; the light source 2 is dispersed to make the heat distribution uniform, and the service life of the LED full-angle light bulb of the invention is prolonged, and Can be made into a high power bulb.
  • the LED illuminants selected for the first set of light sources 21, the second set of light sources 22, and the third set of light sources 23 may be the same or different, and LED illuminants of different electrical or optical characteristics may be selected as desired.
  • the first set of light sources 21 includes N1 LED illuminators
  • the second set of light sources 22 includes N2 LED illuminators
  • the third set of light sources 23 includes N3 LED illuminators, N1: N2: N3 at 7: 3: 2 and 5: 3: 2 between.
  • the material selection of the inner layer bulb 111 and the outer layer bulb 112 is different or the number ratio of the LED illuminants in the first group light source 21, the second group light source 22, and the third group light source 23 is different, and the LED full-angle bulb of the present invention is matched.
  • the light curve is also different. For details, refer to FIG. 2 and FIG. 3.
  • the materials selected for the inner layer bulb 111 and the outer layer bulb 112 are the same, and the N1:N2:N3 is 7:3:2, the LED full-angle angle lamp of the invention; ;;
  • the outer blister 112 is made of a high haze material
  • the inner blister 111 is made of a low haze material
  • the N1:N2:N3 is 5:3:2.
  • a plurality of LED illuminants in the first set of light sources 21 are arranged in a circle
  • a plurality of LED illuminants in the second set of light sources 22 are arranged in a circle
  • a plurality of LED illuminants in the third set of light sources 23 The advantages of being arranged in a circular shape and being arranged in a circular shape are as follows: in the case of a 360-degree illuminated surface without irradiation blind spots, the production of the single-emitting light sheet is relatively low in cost compared with the prior art side-emitting light-emitting panel, and the heat distribution is further distributed. , making it possible to make high-power bulbs.
  • the LED light emitters of the first group of light sources 21, the second group of light sources 22 and/or the third group of light sources 23 can be arranged in any shape that is closed, such as a square or elliptical shape.
  • a plurality of LED illuminants in the first group of light sources 21 constitute a series circuit
  • a plurality of LED illuminants in the second group of light sources 22 constitute a series circuit
  • a plurality of LED illuminants in the third group of light sources 23 form a series circuit
  • the first set of light sources 21, the second set of light sources 22, and the third set of light sources 23 form a parallel circuit. Since the circuit connection of the light source 2 is mixed, low-voltage start-up can be achieved, and the safety factor is high, and the operation of the entire lamp is not affected by the damage of the individual LED illuminators.
  • connection relationship of the LED illuminants in the first group of light sources 21, the second group of light sources 22 or the third group of light sources 23 is not limited to the series connection, the first group of light sources 21, the second group of light sources 22 and the The three sets of light sources 23 are also not limited to forming a parallel circuit.
  • the connection relationship of the LED illuminants in the first group of light sources 21, the second group of light sources 22 or the third group of light sources 23, and the circuit connection of the first group of light sources 21, the second group of light sources 22 and the third group of light sources 23 may be based on actual power sources The design of the circuit and the different wiring arrangements are designed in other forms.
  • the second group of light sources 22 and the third group of light sources 23 are disposed on the same horizontal plane, the first group of light sources 21 are disposed on another horizontal plane, and the purpose of setting the light source 2 to a two-layer structure is:
  • the refraction of the outer bulb 112 is utilized; 2. as shown in Fig. 2 or Fig. 3, there is a light distribution in the range of ⁇ 0-180°; 3. as shown in Fig. 2 or Fig. 3, ⁇ 0-135.
  • the light distribution in the range is uniform, and the light intensity changes within 20% of the average light intensity; 4.
  • the luminous flux in the range of ⁇ 135-180° accounts for more than 5% of the total luminous flux.
  • the maximum vertical distance between the second set of light sources 22 or the third set of light sources 23 and the outer blister 112 is HI
  • the maximum vertical distance between the first set of light sources 21 and the outer blister 112 is H2
  • HI: H2 is between 1: 2 and 5: 6.
  • the radius of the outer bulb 112 is 30 mm
  • the maximum of the second group of light sources 22 or the third group of light sources 23 and the outer layer of bulbs 112 The vertical distance is 30 mm
  • the maximum vertical distance between the first set of light sources 21 and the outer blister 112 is 45 mm.
  • the outer blister 112 has a radius R
  • the first set of light sources 21 form a circular radius R1
  • the second set of light sources 22 form a circular radius R2
  • the third set of light sources 23 form a circle.
  • the radius of the shape is R3, R: R1: R2: R3 is between 5: 3: 2: 1 and 12: 8: 5: 2.
  • the radius of the outer bulb 112 is 30 mm
  • the first group of light sources 21 has a circular radius of 20 mm
  • the second group of light sources 22 has a circular radius of 12 mm
  • the third group of light sources 23 has a circular radius of 5.5. Mm.
  • the reflecting unit 3 includes at least a first reflector 31 and a second reflector 32.
  • the second reflector 32 includes a first concave surface 321 and a second concave surface 322, and the first reflector 31 and the second reflector 32 have the inside of the lamp housing 1. Divided into three regions, respectively a first zone, a second zone and a third zone, the first group of light sources 21 are disposed in the first zone, the second group of light sources 22 are disposed in the second zone, and the third group of light sources 23 are provided In the third district.
  • the first reflector 31 and the second reflector 32 distribute the light emitted by the first group of light sources 21, the second group of light sources 22, and the third group of light sources 23 by 360 degrees.
  • the first zone is closed as the first enclosed zone, and most of the light of the first set of light sources 21 is reflected by the concave surface of the first reflector 31 to a range of ⁇ 90-180°;
  • the three zones constitute a second closed zone, and most of the light of the second set of light sources 22 is reflected by the first concave face 321 of the second reflector 32 to gamma 90.
  • Direction; most of the light of the third group of light sources 23 is in the direction of ⁇ 0°, and some of the light is reflected by the second concave surface 322 of the second reflector 32 to about ⁇ 45 .
  • the direction compensates for the shadow on the bulb 11 caused by the second reflector 32 blocking light.
  • the light distribution in the range of ⁇ 0-180° is achieved by the cooperation of the first group of light sources 21, the second group of light sources 22 and the third group of light sources 23 and the first reflector 31 and the second reflector 32.

Abstract

Ampoule de lampe à diode électroluminescente (DEL) plein angle optique, comprenant un logement (1) de lampe et une source lumineuse (2) et une unité réfléchissante (3) dans le logement de la lampe. La source lumineuse (2) comprend au moins un premier groupe de sources lumineuses (21), un deuxième groupe de sources lumineuses (22) et un troisième groupe de sources lumineuses (23). L'unité réfléchissante (3) comprend au moins un premier réflecteur (31) et un second réflecteur (32). Le logement (1) de lampe est espacé dans une première zone, une deuxième zone et une troisième zone par le premier réflecteur (31) et le second réflecteur (32). Le premier groupe de sources lumineuses (21), le deuxième groupe de sources lumineuses (22) et le troisième groupe de sources lumineuses (23) sont respectivement prévus dans la première zone, la deuxième zone et la troisième zone. La chaleur produite par les sources lumineuses dans l'ampoule de lampe à diode électroluminescente (DEL) plein angle optique est répartie de façon homogène, ce qui prolonge la durée de vie ; l'espace de conception de l'alimentation électrique est plus grand, ainsi la puissance de l'ampoule de lampe peut être augmentée si nécessaire ; et la forme de contour de celle-ci peut être rendue identique à celle de la lampe à incandescence classique si nécessaire, ce qui permet ainsi de satisfaire aux normes esthétiques classiques.
PCT/CN2012/085532 2012-01-18 2012-11-29 Ampoule de lampe à diode électroluminescente (del) plein angle optique WO2013107223A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210015321.X 2012-01-18
CN201210015321.XA CN102563428B (zh) 2012-01-18 2012-01-18 Led全光角灯泡

Publications (1)

Publication Number Publication Date
WO2013107223A1 true WO2013107223A1 (fr) 2013-07-25

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WO (1) WO2013107223A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102563428B (zh) * 2012-01-18 2014-11-05 深圳和而泰照明科技有限公司 Led全光角灯泡
CN105757502A (zh) * 2014-12-19 2016-07-13 广东雪莱特光电科技股份有限公司 全光角球泡灯
JPWO2016135770A1 (ja) * 2015-02-23 2017-08-10 三菱電機株式会社 照明ランプ、照明装置および照明ランプの製造方法

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CN101706083A (zh) * 2009-10-30 2010-05-12 王景慧 用于led灯的散热装置
CN201526842U (zh) * 2009-09-30 2010-07-14 艾笛森光电股份有限公司 具有环场照明的led灯具
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CN102563428A (zh) * 2012-01-18 2012-07-11 深圳和而泰照明科技有限公司 Led全光角灯泡

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JP2007035366A (ja) * 2005-07-25 2007-02-08 Kokubu Denki Co Ltd 照明装置
JP4755276B2 (ja) * 2008-09-04 2011-08-24 パナソニック株式会社 照明用光源
KR101032415B1 (ko) * 2008-12-05 2011-05-03 주식회사 아모럭스 방사형 방열장치 및 이를 이용한 전구형 ｌｅｄ 조명장치
CN202056593U (zh) * 2011-04-18 2011-11-30 北京地调科技发展有限公司 Led灯
CN202024160U (zh) * 2011-05-06 2011-11-02 励国实业有限公司 Led灯具

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Publication number Priority date Publication date Assignee Title
CN1171514A (zh) * 1996-07-18 1998-01-28 株式会社小糸制作所 车用标志灯
CN2695779Y (zh) * 2004-04-27 2005-04-27 傅则吾 普通照明led灯泡
CN1690506A (zh) * 2004-04-27 2005-11-02 傅则吾 普通照明led灯泡
JP2007057421A (ja) * 2005-08-25 2007-03-08 Ikegami Tsushinki Co Ltd リング照明装置
CN2859197Y (zh) * 2005-12-21 2007-01-17 郭振萍 一种发光二极管照明装置
CN101936461A (zh) * 2009-06-30 2011-01-05 富准精密工业(深圳)有限公司 光源模组
CN201526842U (zh) * 2009-09-30 2010-07-14 艾笛森光电股份有限公司 具有环场照明的led灯具
CN101706083A (zh) * 2009-10-30 2010-05-12 王景慧 用于led灯的散热装置
CN102563428A (zh) * 2012-01-18 2012-07-11 深圳和而泰照明科技有限公司 Led全光角灯泡

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