WO2022057899A1 - Lampe d'éclairage et son système de source lumineuse - Google Patents

Lampe d'éclairage et son système de source lumineuse Download PDF

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Publication number
WO2022057899A1
WO2022057899A1 PCT/CN2021/119074 CN2021119074W WO2022057899A1 WO 2022057899 A1 WO2022057899 A1 WO 2022057899A1 CN 2021119074 W CN2021119074 W CN 2021119074W WO 2022057899 A1 WO2022057899 A1 WO 2022057899A1
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WO
WIPO (PCT)
Prior art keywords
light
reflector
source system
light source
outlet
Prior art date
Application number
PCT/CN2021/119074
Other languages
English (en)
Chinese (zh)
Inventor
黄俊晖
刘超博
卜晨曦
Original Assignee
苏州欧普照明有限公司
欧普照明股份有限公司
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
Priority claimed from CN202010998763.5A external-priority patent/CN111998243A/zh
Priority claimed from CN202022082563.3U external-priority patent/CN212252133U/zh
Application filed by 苏州欧普照明有限公司, 欧普照明股份有限公司 filed Critical 苏州欧普照明有限公司
Publication of WO2022057899A1 publication Critical patent/WO2022057899A1/fr

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Classifications

    • 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
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/68—Details of reflectors forming part of the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • F21V7/04—Optical design
    • 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 application relates to the technical field of lighting fixtures, and in particular, to a lighting fixture and a light source system thereof.
  • Lighting lamps are widely used in home lighting, commercial lighting, industrial lighting, road lighting, landscape lighting, special lighting and other fields.
  • the structural design brings greater challenges.
  • Lighting lamps using traditional optical solutions have light directly irradiated from the illuminant. If this part of the light enters the human eye, it will cause glare problems, which will lead to an uncomfortable experience for users. Therefore, the existing lighting fixtures have the problem of poor user experience.
  • the present application discloses a lighting fixture and a light source system thereof, which can solve the problem of serious glare in the current lighting fixture.
  • a light source system for a lighting fixture comprising a luminous body, a first reflector and a second reflector, wherein:
  • At least part of the illuminant is arranged in the first reflector, the first end of the first reflector is provided with a light outlet, and at least part of the second reflector is arranged in the first reflector ;
  • the projection of the light-emitting body on the direction of the light outlet is the first projection
  • the projection of the end of the second reflector facing the light outlet on the direction of the light outlet is the second projection
  • the a second projection covers the first projection
  • a part of the light emitted by the light-emitting body can be projected from the light outlet through the reflection of the second reflector and the first reflector in sequence, and another part of the light emitted by the light-emitting body can pass through the first reflector. Reflections are projected from the light outlet.
  • a lighting fixture includes the above-mentioned light source system.
  • the light source system of the lighting fixture disclosed in the embodiments of the present application improves the lighting fixture in the related art, so that the light source system of the lighting fixture includes a first reflector and a second reflector, and at the same time, the illuminant is in the direction of the light outlet.
  • the projection of the second reflector is covered by the projection of the end of the second reflector facing the light outlet on the light outlet, so that the illuminant can be blocked by the second reflector.
  • the light source system of the lighting fixture disclosed in the embodiment of the present application realizes the concealment of the illuminant under the condition that the light can be projected normally, and finally makes the user unable to see the illuminant through the light outlet, thereby achieving better anti-glare the goal of.
  • FIG. 1 is a schematic structural diagram of a light source system of a lighting fixture disclosed in an embodiment of the application;
  • FIG. 2 is a cross-sectional view of a lighting fixture disclosed in an embodiment of the application.
  • FIG. 3 is a schematic structural diagram of a circuit board of a light source system of a lighting fixture disclosed in an embodiment of the application.
  • 200-first reflector 210-first end, 211-light outlet, 220-second end;
  • an embodiment of the present application discloses a light source system for a lighting fixture.
  • the disclosed light source system includes a light-emitting body 100 , a first reflector 200 and a second reflector 300 .
  • the light emitting body 100 is a light emitting device of the light source system, and the light emitting body 100 can usually be an LED light emitting body.
  • the LED light emitting body has the advantages of high brightness, low heat generation, low energy consumption and long life.
  • at least a part of the light-emitting body 100 is disposed in the first reflector 200.
  • the light-emitting body 100 may be all disposed in the first reflector 200, which is beneficial to make the light emitted by the light-emitting body 100 more efficient. It is reflected in many places to achieve the purpose of improving the utilization rate of light.
  • Both the first reflector 200 and the second reflector 300 are reflective devices of the light source system, and can reflect the light emitted by the light-emitting body 100 .
  • the first reflector 200 includes a first end 210 and a second end 220 .
  • the first end 210 of the first reflector 200 is provided with a light outlet 211 , and the light emitted by the light-emitting body 100 can be finally emitted through the light outlet 211 after being reflected.
  • At least part of the second reflector 300 is disposed in the first reflector 200 , and the second reflector 300 can also reflect the light emitted by the light-emitting body 100 .
  • the projection (orthographic projection) of the direction of the light-emitting body 100 on the light outlet 211 is In the first projection, the projection (orthographic projection) of the end of the second reflector 300 facing the light outlet 211 on the direction of the light outlet 211 is the second projection, and the second projection covers the first projection.
  • the luminous body 100 when looking into the first reflector 200 facing the light outlet 211 , the luminous body 100 is hidden inside the end of the second reflector 300 facing the light outlet 211 , so that the user cannot observe the luminous body 100 , of course, the light emitted by the light-emitting body 100 cannot be directly projected from the light outlet 211 .
  • the light-emitting body 100 can be blocked by the second reflector 300 in the direction of the light outlet 211 , in this embodiment of the present application, a part of the light emitted by the light-emitting body 100 can be reflected by the second reflector 300 and the first reflector 200 in sequence. Projected from the light outlet 211 . Another part of the light emitted by the light-emitting body 100 can be projected from the light outlet 211 through the reflection of the first reflector 200 . The light emitted by the light-emitting body 100 finally needs to be reflected before being projected from the light outlet 211 .
  • the light source system of the lighting fixture disclosed in the embodiments of the present application improves the lighting fixture in the related art, so that the light source system of the lighting fixture includes the first reflector 200 and the second reflector 300, and at the same time, the illuminant 100 is located at the light outlet.
  • the upward projection of 211 is covered by the projection of the end of the second reflector 300 facing the light outlet 211 on the light outlet 211 , so that the luminous body 100 can be blocked by the second reflector 300 finally, during the working process of the luminous body 100 Among them, a part of the light emitted by the luminous body 100 can be projected from the light outlet 211 through the reflection of the second reflector 300 and the first reflector 200 in sequence, and another part of the light emitted by the illuminating body 100 can be reflected from the first reflector 200 from the light output port 211 .
  • the port 211 is projected, so as to ensure that the light emitted by the light-emitting body 100 is finally projected out of the light source system to realize illumination.
  • the light source system of the lighting fixture disclosed in the embodiments of the present application realizes the concealment of the illuminant 100 under the condition that the light can be projected normally, so that the user cannot see the illuminant 100 through the light outlet 211 , thereby achieving better performance. for anti-glare purposes.
  • the structures of the first reflector 200 and the second reflector 300 may be various.
  • the area of the cross section of the first reflector 200 increases, so that the first reflector 200 forms a structure that gradually expands toward the direction of the light outlet 211, and more It is beneficial for the light to be projected to the light outlet 211 after being reflected, thereby forming the light outlet 211 with a larger area.
  • the cross section of the first reflector 200 refers to the cross section of the first reflector 200 in a direction perpendicular to the direction of the light outlet 211 .
  • the area of the cross section of the second reflector 300 can be increased in the direction of the light outlet 211 . Section towards the direction. In this case, the contour size of one end of the second reflector 300 adjacent to the light outlet 211 is relatively large, so that it is easier to shield the light-emitting body 100 .
  • the number of the light-emitting body 100 may be one or multiple.
  • the second reflector 300 may be a revolving body, a plurality of luminous bodies 100 may be arranged around the end of the second reflector 300 away from the light outlet 211, and the plurality of luminous bodies 100 can form a ring-shaped light-emitting structure, thereby improving the light-emitting performance.
  • the light emission of the light source system is made more balanced, and the problem of uneven brightness can be alleviated.
  • the light source system disclosed in the embodiments of the present application may further include a light distribution device 500 , the light distribution device 500 is covered on the illuminator 100 , and the light distribution device 500 can distribute the light emitted by the illuminator 100 , the light distribution device 500 may be a uniform light device or a light condensing device, and the embodiment of the present application does not limit the specific type of the light distribution device 500 .
  • the light source system disclosed in this embodiment of the present application may further include a plurality of light distribution devices 500 , each of which is covered and disposed on a light-emitting body 100 , That is to say, each light-emitting body 100 is individually configured with a light distribution device 500 for its light distribution, so that the optical interference between the light-emitting bodies 100 can be alleviated.
  • the plurality of light distribution devices 500 may have an integrated structure. During the assembly process, the plurality of light distribution devices 500 are assembled as a whole, without the need for individual installation, thereby facilitating assembly and improving assembly efficiency.
  • the light distribution device 500 may be a plano-convex lens, or may be a cover-shaped structural member with an accommodating space 510. Specifically, the light-emitting body 100 may be located in the accommodating space 510.
  • the optical device 500 can not only play a role of light distribution, but also can play a role of protecting the light-emitting body 100 .
  • the port of the second end 220 of the first reflector 200 may be blocked by the circuit board 400 , the illuminator 100 may be fixed on the circuit board 400 , and the circuit board 400 provides installation for the illuminator 100 Location.
  • the light-emitting body 100 may be electrically connected to the circuit board 400 and then powered by the circuit board 400 .
  • the light source 100 and the circuit board 400 can form a light source board, which is beneficial to the overall assembly of the lighting fixture during the assembly process.
  • the circuit board 400 can block the port on the second end 220 of the first reflector 200, and the circuit board 400 can be fixedly connected with the first reflector 200.
  • the first A reflector 200 can be assembled using the circuit board 400 as a mounting base.
  • the circuit board 400 can also block the port of the second end 220 of the first reflector 200 , thereby preventing the light emitted by the light-emitting body 100 from leaking from the port of the second end 220 of the first reflector 200 .
  • the second reflector 300 can also be fixed on the circuit board 400, so that the circuit board 400 is used as the installation basis.
  • the second reflector 300 and the circuit board 400 can be fixedly assembled through the adhesive layer 1100. .
  • the circuit board 400 may include a central area 410 and an annular peripheral area 420 , and the annular peripheral area 420 is disposed around the central area 410 .
  • the orthographic projection of the end of the second reflector 300 facing the light outlet 211 on the circuit board 400 is located within the central area 410 .
  • the light-emitting body 100 is arranged within the central region 410, that is, the light-emitting body 100 is arranged outside the annular peripheral region 420.
  • the partition design of the circuit board 400 makes the position where the light-emitting body 100 is installed on the circuit board 400 more clearly, which is beneficial to facilitate the assembly of the light-emitting body 100 .
  • a heat dissipation seat 700 is provided on the side of the circuit board 400 away from the light-emitting body 100 , and the heat dissipation seat 700 can play a role of heat dissipation.
  • the heat sink 700 may be made of a material capable of efficiently dissipating heat, for example, the heat sink 700 may be a stainless steel heat sink.
  • the heat dissipation base 700 can be designed as a mechanism that can easily dissipate heat.
  • the heat dissipation base 700 includes a plurality of heat dissipation pins distributed in an array.
  • the heat sink 700 can be directly bonded and fixed with the circuit board 400 through the thermally conductive adhesive layer. In this case, the heat generated by the circuit board 400 and the light-emitting body 100 disposed on it during operation can be quickly transmitted to the circuit board 400 through the thermally conductive adhesive layer.
  • the heat dissipation base 700 is finally transmitted to the entire lighting fixture through the heat dissipation base 700 to achieve the purpose of rapid heat dissipation.
  • the light emitted by the light-emitting body 100 may be projected to the central area 410 or the annular peripheral area 420 under the reflection of the first reflector 200 or the second reflector 300, in order to improve the utilization rate of light
  • the surface of at least one of the annular peripheral area 420 and the central area 410 facing the light outlet 211 is provided with a reflective layer 600, and the reflective layer 600 can make the projection to the annular peripheral area 420 or the central area.
  • the light of 410 is reflected, which can improve the utilization of light.
  • the annular peripheral region 420 may be provided with a reflection layer 600, and the reflection layer 600 can make the annular peripheral region 420 present a bright surface, thereby improving the lighting performance of the light source system.
  • the distance between the second reflector 300 and the end face of the second end 220 of the first reflector 200 is the first distance h
  • the distance between the second reflector 300 and the first reflector 200 is the first distance h
  • the distance between the end faces of the ends 210 is the second distance H
  • the first distance h may be smaller than the second distance H.
  • the second reflector 300 and the light-emitting body 100 can be farther away from the light outlet 211 , thereby further improving the anti-glare performance.
  • the first distance h may be zero.
  • the second reflector 300 in a section parallel to the direction of the light outlet 211 , has a connection line between the edge facing the light outlet 211 and the light outlet 211 and the light outlet 211
  • the included angle a between the orientations can be less than or equal to 45°. This arrangement can make the light outlet 211 converge as far as possible relative to the end of the second reflector 300 toward the light outlet 211 . Even if the light emitted by the illuminant 100 is not reflected by the second reflector 300 , it will be reflected by the first reflector 200 . Therefore, the light efficiency of the light source system can be improved, and the anti-glare performance can be further improved.
  • the embodiment of the present application discloses a lighting fixture, and the disclosed lighting fixture includes the light source system described in the above embodiments.
  • the lighting fixtures disclosed in the embodiments of the present application may be downlights, spotlights, and the like, and the embodiments of the present application do not limit the specific types of the lighting fixtures.
  • the lighting fixture disclosed in the embodiment of the present application may further include a housing 800 and a mask 900, the housing 800 has an inner cavity 810 and an opening 820, the mask 900 is installed at the opening 820, and the mask 900 is connected to the housing.
  • the body 800 encloses an inner cavity 830 of the lamp, the light source system is disposed in the inner cavity 830 of the lamp, and the orientation of the light outlet 211 is consistent with the orientation of the opening 820 .
  • the lighting fixture disclosed in the embodiments of the present application further includes a driver 1000, and the driver 1000 is provided on the circuit board 400. Specifically, the driver 1000 may be provided in the inner cavity 830 of the fixture.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

La présente invention concerne un système de source lumineuse. Selon la présente invention, un élément électroluminescent (100) est au moins partiellement disposé dans un premier réflecteur (200) ; une sortie de lumière (211) est formée au niveau d'une première extrémité (210) du premier réflecteur (200) ; un second réflecteur (300) est au moins partiellement disposé dans le premier réflecteur (200) ; la projection de l'élément électroluminescent (100) dans l'orientation de la sortie de lumière (211) est une première projection ; la projection de l'extrémité du second réflecteur (300) tournée vers la sortie de lumière (211) dans l'orientation de la sortie de lumière (211) est une seconde projection ; la seconde projection recouvre la première projection ; une partie de la lumière émise par l'élément électroluminescent (100) est successivement réfléchie par le second réflecteur (300) et le premier réflecteur (200) puis est projetée hors de la sortie de lumière (211) ; l'autre partie de la lumière émise par l'élément électroluminescent (100) est réfléchie par le premier réflecteur (200) puis est projetée hors de la sortie de lumière (211). La présente invention concerne également une lampe d'éclairage comprenant le système de source lumineuse. La structure est utilisée pour résoudre le problème d'éblouissement de la lampe d'éclairage.
PCT/CN2021/119074 2020-09-21 2021-09-17 Lampe d'éclairage et son système de source lumineuse WO2022057899A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202010998763.5 2020-09-21
CN202010998763.5A CN111998243A (zh) 2020-09-21 2020-09-21 照明灯具及其光源系统
CN202022082563.3 2020-09-21
CN202022082563.3U CN212252133U (zh) 2020-09-21 2020-09-21 照明灯具及其光源系统

Publications (1)

Publication Number Publication Date
WO2022057899A1 true WO2022057899A1 (fr) 2022-03-24

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1054209A2 (fr) * 1999-05-17 2000-11-22 Beghelli S.p.A. Dispositif d' éclairage ayant des propriétés anti-éblouissantes importantes
US6758582B1 (en) * 2003-03-19 2004-07-06 Elumina Technology Incorporation LED lighting device
CN201289002Y (zh) * 2008-09-16 2009-08-12 李家茂 一种反射折射式无眩光光源
WO2010082806A2 (fr) * 2009-01-19 2010-07-22 Shin Jeong-Hun Lampe d'éclairage à del dotée d'une fonction antireflet
CN102449386A (zh) * 2009-04-06 2012-05-09 克里公司 用于照明装置的反射器系统
CN103104848A (zh) * 2013-02-22 2013-05-15 东莞市友美电源设备有限公司 灯具灯罩
CN104976534A (zh) * 2014-04-11 2015-10-14 新世纪光电股份有限公司 灯具结构
CN111998243A (zh) * 2020-09-21 2020-11-27 苏州欧普照明有限公司 照明灯具及其光源系统

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1054209A2 (fr) * 1999-05-17 2000-11-22 Beghelli S.p.A. Dispositif d' éclairage ayant des propriétés anti-éblouissantes importantes
US6758582B1 (en) * 2003-03-19 2004-07-06 Elumina Technology Incorporation LED lighting device
CN201289002Y (zh) * 2008-09-16 2009-08-12 李家茂 一种反射折射式无眩光光源
WO2010082806A2 (fr) * 2009-01-19 2010-07-22 Shin Jeong-Hun Lampe d'éclairage à del dotée d'une fonction antireflet
CN102449386A (zh) * 2009-04-06 2012-05-09 克里公司 用于照明装置的反射器系统
CN103104848A (zh) * 2013-02-22 2013-05-15 东莞市友美电源设备有限公司 灯具灯罩
CN104976534A (zh) * 2014-04-11 2015-10-14 新世纪光电股份有限公司 灯具结构
CN111998243A (zh) * 2020-09-21 2020-11-27 苏州欧普照明有限公司 照明灯具及其光源系统

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