EP3492802B1 - Dispositif d'éclairage à del - Google Patents

Dispositif d'éclairage à del Download PDF

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Publication number
EP3492802B1
EP3492802B1 EP17845197.7A EP17845197A EP3492802B1 EP 3492802 B1 EP3492802 B1 EP 3492802B1 EP 17845197 A EP17845197 A EP 17845197A EP 3492802 B1 EP3492802 B1 EP 3492802B1
Authority
EP
European Patent Office
Prior art keywords
lens
light source
lighting device
reflector
led lighting
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP17845197.7A
Other languages
German (de)
English (en)
Other versions
EP3492802A4 (fr
EP3492802A1 (fr
Inventor
Cong Wang
Jian Zhu
Kai Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Opple Lighting Co Ltd
Original Assignee
Opple Lighting Co Ltd
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 CN201610783397.5A external-priority patent/CN107781720A/zh
Priority claimed from CN201621013684.XU external-priority patent/CN206429940U/zh
Priority claimed from CN201621013745.2U external-priority patent/CN206429941U/zh
Priority claimed from CN201610783396.0A external-priority patent/CN107795894A/zh
Application filed by Opple Lighting Co Ltd filed Critical Opple Lighting Co Ltd
Publication of EP3492802A1 publication Critical patent/EP3492802A1/fr
Publication of EP3492802A4 publication Critical patent/EP3492802A4/fr
Application granted granted Critical
Publication of EP3492802B1 publication Critical patent/EP3492802B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/046—Refractors for light sources of lens shape the lens having a rotationally symmetrical shape about an axis for transmitting light in a direction mainly perpendicular to this axis, e.g. ring or annular lens with light source disposed inside the ring
    • 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
    • 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 a lighting device, and particularly to a LED lighting device.
  • LED is widely used in the field of lighting devices as a new solid-state light source for its advantages of energy saving, high efficiency, environmental protection, flexible control, safety, reliability, and good orientation.
  • LED downlight is a lighting device which has been improved and developed based on traditional downlights combined with LED lighting technology.
  • most of the LED downlights in the market use a direct-lit structure of a LED light source matched with a one-staged reflector or multi-staged reflectors or use an edge-lit attached structure of a LED light source matched with a light guide plate, which usually involves product defects such as low luminous efficiency, high glare, large size and high cost.
  • product defects such as low luminous efficiency, high glare, large size and high cost.
  • an LED lighting device with a housing, a lighting source component, a diffuser element located above the light source component and a reflector is disclosed.
  • the LED lighting device comprises a number of LED light source particles located on a light source base plate.
  • an LED lighting device according to independent claim 1 is suggested. Further preferred embodiments of the present invention are defined in the dependent claims.
  • An objective of the present invention is to provide a LED lighting device in order to solve the above technical problems.
  • a LED lighting device including: a housing, a light source component, an optical lens located above the light source component and configured to distribute light for the light source component, a reflector in contact with the optical lens, and a surface ring assembled on the reflector.
  • the housing, the light source component, the optical lens, the reflector and the surface ring are sequentially arranged; the surface ring is fixed on the housing to delimit a receiving chamber, the light source component, the optical lens and the reflector are all located in the receiving chamber; the LED lighting device has a light exit; the light source component includes a light source base plate and LED light source particles located on the light source base plate; light of the LED light source particles sequentially passes through the optical lens and the reflector and then emits through the light exit.
  • the light source component is snap-fitted with the optical lens.
  • the reflector is sandwiched between the surface ring and the optical lens.
  • a height of the reflector is greater than two times of a height of the optical lens.
  • a height of the reflector is greater than three times of a height of the optical lens.
  • the optical lens is one selected from or a combination of more than one selected from the group consisting of a ring lens, a single lens, and a lens array.
  • a diameter of the reflector is gradually increased from an end of the reflector connected to the optical lens to the other end of the optical lens.
  • the reflector and the optical lens are fixed between the surface ring and the housing by being connected to and pressed by the surface ring.
  • the light source component directly faces the light exit
  • a portion of the light emitted from the LED light source particles is directly emitted through the light exit, and another portion of the light emitted from the LED light source particles is reflected by the reflector and then emitted through the light exit; the light emitted from the LED light source particles, upon passing through the optical lens, is reflected by the reflector firstly and then emitted through the light exit of the LED lighting device.
  • the light source component includes three portions corresponding to a first lens, a second lens and a third lens of the optical lens, respectively.
  • the first lens, the second lens, and the third lens are disposed on the light source component and each cover a corresponding light source; or the first lens, the second lens, and the third lens are connected to have an integral structure.
  • the first lens that is centrally located is a dot lens and corresponds to at least one LED light source particle.
  • the second lens and the third lens are both annular lenses surrounding the first lens, and wherein a height of the first lens is greater than a height of the second lens and is greater than a height of the third lens, and the second lens and the third lens have a same height.
  • the LED lighting device further includes a snap spring component disposed at a periphery of the housing.
  • the LED lighting device is a downlight.
  • the LED lighting device of the present invention has the following advantages: it has no need of providing a diffusing plate to homogenize light, which increases the luminous efficiency and meanwhile preventing from glare, so as to achieve a good lighting effect.
  • a LED lighting device 1 includes a housing 10, a light source component 20, an optical lens 30 located above the light source component 20 and configured to distribute light for the light source component 20, a reflector 40 in contact with the optical lens 30, and a surface ring 50 assembled on the reflector 40.
  • the housing 10, the light source component 20, the optical lens 30, the reflector 40 and the surface ring 50 are sequentially arranged.
  • the surface ring 50 is fixed to the housing 10 to delimit a receiving chamber 70.
  • the light source component 20, the optical lens 30 and the reflector 40 are all located in the receiving chamber 70.
  • the LED lighting device 1 has a light exit 60.
  • the light source component 20 includes a light source base plate 201 and LED light source particles 202 located on the light source base plate 201. Light of the LED light source particles 202 sequentially passes through the optical lens 30 and the reflector 40, and then emits through the light exit 60.
  • the LED lighting device 1 provided by the present invention enables light emitted from the LED lighting device 1 to be uniform and have no glare, so as to effectively improve the luminous effect without using a diffusing plate to homogenize light.
  • the light source component 20 may be snap-fitted with the optical lens 30.
  • the reflector 40 is sandwiched between the surface ring 50 and the optical lens 30.
  • the optical lens 30 may be in the form of one selected from or a combination of more than one selected from the group consisting of a ring lens, a single lens, and a lens array.
  • the light source component 20 may be divided into three portions, which respectively correspond to a first lens 301, a second lens 302, and a third lens 303 of the optical lens 30.
  • the first lens 301, the second lens 302, and the third lens 303 are disposed on the light source component 20 to respectively cover a corresponding light source; or, the first lens 301, the second lens 302, and the third lens 303 are connected to have an integral structure.
  • the centrally located first lens 301 is a dot times and corresponds to at least one LED source particle; in FIG.
  • the first lens 301 corresponds to four LED source particles.
  • the second lens 302 and the third lens 303 are both annular lenses surrounding the first lens 301; a height of the first lens 301 is greater than a height of the second lens 302 and greater than a height of the third lens 303; and the second lens 302 and the third lens 303 have the same height.
  • the optical lens 31 is a lens array.
  • the height of the reflector 40 is greater than three times of the height of the optical lens 30. Such a configuration enables the LED lighting device 1 to ensure that all the light emitted from the optical lens 30 can be completely reflected by the reflector 40 and then emit through the light exit 60.
  • the height of the reflector 40 may not necessary be greater than three times of the height of the optical lens 30 but may be adjustable as needed; for example, the height of the reflector 40 may be only greater than two times of the height of the optical lens 30, and the like.
  • a diameter of the reflector 40 is gradually increased from one end of the reflector connected to the optical lens 30 to the other end of the reflector 40.
  • the reflector 40 and the optical lens 30 are fixed between the surface ring 50 and the housing 10 by being connected to and pressed by the surface ring 50.
  • the light source component 20 when the light source component 20 directly faces the light exit 60, a portion of the light emitted from the LED light source particles 202 is directly emitted through the light exit 60, and another portion of the light emitted from the LED light source particles 202 is reflected by the reflector 40 and then is emitted through the light exit 60.
  • the light emitted from the light source particles 202 upon passing through the optical lens 30, is reflected by the reflector 40 firstly and then emitted through the light exit 60 of the LED lighting device 1.
  • the LED lighting device 1 may further include a snap spring component 80 disposed at a periphery of the housing 10.
  • the LED lighting device 1 may be mounted to a region, for example, a ceiling or a wall, or may be directly mounted into a lighting appliance to allow the LED lighting device 1 to face an area to be irradiated by the lighting device.
  • the LED lighting device provided by the embodiment of the present invention may be a downlight or the like, which is not particularly limited in the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (12)

  1. Dispositif d'éclairage à DEL (1), comprenant : un boîtier (10), un composant de source lumineuse (20), une lentille optique (30) située au-dessus du composant de source lumineuse (20) et configurée pour distribuer la lumière pour le composant de source lumineuse (20), un réflecteur (40) en contact avec la lentille optique (30), et un anneau de surface (50) assemblé sur le réflecteur (40) ;
    le boîtier (10), le composant de source lumineuse (20), la lentille optique (30), le réflecteur (40) et l'anneau de surface (50) étant agencés de manière séquentielle ;
    l'anneau de surface (50) étant fixé sur le boîtier (10) pour délimiter une chambre de réception (70), le composant de source lumineuse (20), la lentille optique (30) et le réflecteur (40) étant tous situés dans la chambre de réception (70) ;
    le dispositif d'éclairage à DEL (1) ayant une sortie de lumière (60), le composant de source lumineuse (20) comprenant une plaque de base de source lumineuse (201) et des particules de source lumineuse à DEL (202) situées sur la plaque de base de source lumineuse (201), la lumière des particules de source lumineuse à DEL (202) passant de manière séquentielle à travers la lentille optique (30) et le réflecteur (40) et émettant ensuite à travers la sortie de lumière (60),
    dans lequel
    le composant de source lumineuse (20) comprend trois parties correspondant à une première lentille (301), une deuxième lentille (302) et une troisième lentille (303) de la lentille optique (30), respectivement,
    la première lentille (301) qui est située au centre est une lentille à point et correspond à au moins une particule de source lumineuse à DEL (202),
    la deuxième lentille (302) et la troisième lentille (303) sont toutes deux des lentilles annulaires entourant la première lentille (301), et
    une hauteur de la première lentille (301) est supérieure à une hauteur de la deuxième lentille (302) et est supérieure à une hauteur de la troisième lentille (303), et
    la deuxième lentille (302) et la troisième lentille (303) ont une même hauteur.
  2. Dispositif d'éclairage à DEL (1) selon la revendication 1, dans lequel le composant de source lumineuse (20) est encliqueté avec la lentille optique (30).
  3. Dispositif d'éclairage à DEL (1) selon la revendication 1, dans lequel le réflecteur (40) est pris en sandwich entre l'anneau de surface (50) et la lentille optique (30).
  4. Dispositif d'éclairage à DEL (1) selon la revendication 1, dans lequel une hauteur du réflecteur (40) est supérieure à deux fois une hauteur de la lentille optique (20).
  5. Dispositif d'éclairage à DEL (1) selon la revendication 1, dans lequel une hauteur du réflecteur (40) est supérieure à trois fois une hauteur de la lentille optique (20).
  6. Dispositif d'éclairage à DEL (1) selon la revendication 1, dans lequel la lentille optique (20) est une lentille sélectionnée parmi ou une combinaison de plusieurs lentilles sélectionnées dans le groupe constitué d'une lentille annulaire, d'une lentille unique et d'un réseau de lentilles.
  7. Dispositif d'éclairage à DEL (1) selon la revendication 1, dans lequel un diamètre du réflecteur (40) est progressivement augmenté depuis une extrémité du réflecteur (40) reliée à la lentille optique (20) jusqu'à l'autre extrémité de la lentille optique (20).
  8. Dispositif d'éclairage à DEL (1) selon la revendication 1, dans lequel le réflecteur (40) et la lentille optique (20) sont fixés entre l'anneau de surface (50) et le boîtier (10) en étant reliés à l'anneau de surface et pressés par celle-ci (50).
  9. Dispositif d'éclairage à DEL (1) selon la revendication 1, dans lequel, dans le cas où le composant de source lumineuse (20) fait directement face à la sortie de lumière (60), une partie de la lumière émise par les particules de source lumineuse à DEL (202) est directement émise à travers la sortie de lumière (60), et une autre partie de la lumière émise par les particules de source lumineuse à DEL (202) est réfléchie par le réflecteur (40) puis émise à travers la sortie de lumière (60) ;
    la lumière émise par les particules de source lumineuse à DEL (202), lors du passage à travers la lentille optique (20), est d'abord réfléchie par le réflecteur (40) puis émise à travers la sortie de lumière (60) du dispositif d'éclairage à DEL (1).
  10. Dispositif d'éclairage à DEL (1) selon la revendication 1, dans lequel la première lentille (301), la deuxième lentille (302) et la troisième lentille (303) sont disposées sur le composant de source lumineuse (20) et recouvrent chacune une source lumineuse correspondante, ou
    la première lentille (301), la deuxième lentille (302) et la troisième lentille (303) sont connectées pour avoir une structure intégrale.
  11. Dispositif d'éclairage à DEL (1) selon la revendication 1, comprenant en outre un composant de ressort à encliquetage (80) disposé à une périphérie du boîtier (10).
  12. Dispositif d'éclairage à DEL (1) selon la revendication 1, dans lequel le dispositif d'éclairage à DEL est un plafonnier intensif.
EP17845197.7A 2016-08-30 2017-08-11 Dispositif d'éclairage à del Active EP3492802B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN201610783397.5A CN107781720A (zh) 2016-08-30 2016-08-30 一种led照明装置
CN201621013684.XU CN206429940U (zh) 2016-08-30 2016-08-30 一种led照明装置
CN201621013745.2U CN206429941U (zh) 2016-08-30 2016-08-30 一种led照明装置
CN201610783396.0A CN107795894A (zh) 2016-08-30 2016-08-30 一种led照明装置
PCT/CN2017/097208 WO2018040895A1 (fr) 2016-08-30 2017-08-11 Dispositif d'éclairage à del

Publications (3)

Publication Number Publication Date
EP3492802A1 EP3492802A1 (fr) 2019-06-05
EP3492802A4 EP3492802A4 (fr) 2019-07-31
EP3492802B1 true EP3492802B1 (fr) 2023-03-01

Family

ID=61300155

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17845197.7A Active EP3492802B1 (fr) 2016-08-30 2017-08-11 Dispositif d'éclairage à del

Country Status (2)

Country Link
EP (1) EP3492802B1 (fr)
WO (1) WO2018040895A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110410692A (zh) * 2019-08-12 2019-11-05 上海亚明照明有限公司 高光效低眩光的灯具

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105202394A (zh) * 2015-10-23 2015-12-30 欧普照明股份有限公司 透镜组合及应用透镜组合的照明装置
CN205037138U (zh) * 2015-10-23 2016-02-17 欧普照明股份有限公司 光源模组和照明装置

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Publication number Priority date Publication date Assignee Title
CN2823771Y (zh) * 2005-09-02 2006-10-04 比亚迪股份有限公司 一种电筒
CN102213369A (zh) * 2010-04-02 2011-10-12 亿光电子工业股份有限公司 发光二极管灯具
CN201851962U (zh) * 2010-07-23 2011-06-01 宁波环球光电股份有限公司 新型led射灯
CN202647387U (zh) * 2012-04-09 2013-01-02 武汉南格尔科技有限公司 一种led射灯泡
DE102012007206A1 (de) * 2012-04-10 2013-10-10 Erco Gmbh Leuchte
TWM449238U (zh) * 2012-09-14 2013-03-21 Coselig Technology Corp 具有散熱結構的照明燈具
CN203464067U (zh) * 2013-08-12 2014-03-05 厦门星际电器有限公司 一种led射灯
US20150247622A1 (en) * 2014-02-28 2015-09-03 Juno Manufacturing Llc Extended lens optics for wall wash lighting

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105202394A (zh) * 2015-10-23 2015-12-30 欧普照明股份有限公司 透镜组合及应用透镜组合的照明装置
CN205037138U (zh) * 2015-10-23 2016-02-17 欧普照明股份有限公司 光源模组和照明装置

Also Published As

Publication number Publication date
WO2018040895A1 (fr) 2018-03-08
EP3492802A4 (fr) 2019-07-31
EP3492802A1 (fr) 2019-06-05

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