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WO2022007095A1 - Lampe à lumière solaire à diffusion de rayleigh - Google Patents

Lampe à lumière solaire à diffusion de rayleigh Download PDF

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Publication number
WO2022007095A1
WO2022007095A1 PCT/CN2020/107790 CN2020107790W WO2022007095A1 WO 2022007095 A1 WO2022007095 A1 WO 2022007095A1 CN 2020107790 W CN2020107790 W CN 2020107790W WO 2022007095 A1 WO2022007095 A1 WO 2022007095A1
Authority
WO
WIPO (PCT)
Prior art keywords
collimating lens
light
lens array
array
light source
Prior art date
Application number
PCT/CN2020/107790
Other languages
English (en)
Chinese (zh)
Inventor
罗平平
罗敏敏
Original Assignee
千奥星科南京生物科技有限公司
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
Priority claimed from CN202010652043.3A external-priority patent/CN111649271B/zh
Priority claimed from CN202021325040.0U external-priority patent/CN212565438U/zh
Application filed by 千奥星科南京生物科技有限公司 filed Critical 千奥星科南京生物科技有限公司
Publication of WO2022007095A1 publication Critical patent/WO2022007095A1/fr

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Classifications

    • 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
    • F21V5/00—Refractors for light sources
    • 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
    • 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
    • F21V5/08—Refractors for light sources producing an asymmetric light distribution
    • 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 field of optoelectronic technology, in particular to a Rayleigh scattering sunlight lamp.
  • the purpose of the present invention is to provide a Rayleigh scattering sunlight lamp, which can effectively solve the problem of the Rayleigh scattering sunlight lamp that can provide diffused blue sky light under the condition of lack of natural light.
  • a Rayleigh scattering sunlight lamp comprising a sunlight lamp housing, the sunlight lamp housing is composed of an LED light source array, a collimating lens array, a honeycomb core material, a diffusing plate and a blue light diffusing plate in sequence from top to bottom.
  • the collimating lens array includes a first collimating lens array, a second collimating lens array and a mirror body array installed between the first collimating lens array and the second collimating lens array, and the LED light source array is composed of several LED lights
  • Each LED lamp bead is placed on the focal point of each first collimating lens array, the second collimating lens array is arranged in a one-to-one correspondence with the honeycomb core material, and the bottom surface of the honeycomb core material is attached with a diffuser plate , used to convert the uneven light source into a surface light source with uniform distribution and blurred dots; there is a certain diffusing space between the blue light scattering plate and the diffusing plate, and the blue light scattering plate is fixedly installed at the bottom of the sunlight lamp shell, with It is used to diffuse the white light or cool white light transmitted by the diffuser into blue light.
  • the first collimating lens array is composed of a plurality of first collimating lenses, the side of each first collimating lens close to the LED light source is a light incident surface, and the side away from the LED light source is a light emitting surface, wherein the incident light surface is used.
  • the surface is a concave surface, and the light-emitting surface is a spherical convex surface;
  • the second collimating lens array is composed of a plurality of second collimating lenses, and the side of each second collimating lens close to the LED light source is the light incident surface, and the side away from the LED light source is the light incident surface. It is a light-emitting surface, wherein the light-incident surface is a plane surface, and the light-emitting surface is a spherical convex surface.
  • first collimating lens and the second collimating lens are transparent solid materials, including acrylic and glass.
  • the mirror body array is a plurality of regular hexagonal prism bodies made of black solid material, and arranged in a honeycomb-like seamless splicing arrangement.
  • the material of the honeycomb core material is one of aluminum alloy, glass fiber fabric impregnated with resin, aromatic fiber paper, kraft paper, graphite fiber or Kevlar fiber.
  • the diffuser plate is made of PC, PMMA, or transparent glass attached with a diffusion film, wherein the transparent glass connected with the honeycomb core material is attached with a diffusion film on one side, or both sides of the transparent glass are attached with a diffusion film. Diffusion film.
  • the blue light scattering plate is composed of a transparent base material and transparent titanium dioxide nanoparticles having different refractive indices relative to the transparent base material and having an average size significantly smaller than the wavelength of visible light, and the titanium dioxide nanoparticles can be embedded in the transparent base material, Or make titanium dioxide nanoparticles into nano-films and stick them on transparent substrates.
  • the color temperature of each of the LED lamp beads is required to be above 5000K, and the dominant wavelength is 400nm-500nm.
  • the beneficial effects of the present invention include: introducing the diffuse blue sky and the virtual sun into the indoor space, which can realize the lighting system, medical system, air purification system, and can be applied to indoor lighting, such as home lighting, underground shopping malls It can also be used for auxiliary treatment of depression, such as hospitals, rehabilitation centers, medical research institutions and other places that need lighting.
  • FIG. 1 is a schematic structural diagram of a Rayleigh scattering sunlight lamp according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a Rayleigh scattering sunlight lamp according to an embodiment of the present invention.
  • FIG. 3 is a partial arrangement diagram of LED lamp beads according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a partial structure of a collimating lens array according to an embodiment of the present invention.
  • FIG. 5 is an arrangement diagram of a first collimating lens array according to an embodiment of the present invention.
  • FIG. 6 is an arrangement diagram of a second collimating lens array according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a first collimating lens according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a second collimating lens according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a honeycomb core material according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a blue light scattering plate according to an embodiment of the present invention.
  • FIG. 11 is another schematic structural diagram of a blue light scattering plate according to an embodiment of the present invention.
  • LED light source array 101, LED lamp beads, 2. Collimating lens array, 201, First collimating lens array, 2011, First collimating lens, 202, Mirror body array, 203, Second collimating lens Straight lens array, 2031, Second collimating lens, 3, Honeycomb core material, 4, Diffuser plate, 5, Blue light diffusing plate, 501, Transparent substrate, 502, Titanium dioxide nanoparticles, 503, Titanium dioxide nanofilm, 6, Sun .
  • FIG. 1 shows a Rayleigh scattering sunlight lamp according to an embodiment of the present invention.
  • the sunlight lamp is composed of an LED light source array 1 , a collimating lens array 2 , a honeycomb core material 3 , a diffuser plate 4 and blue light scattering in order from top to bottom. Board 5 composition.
  • the collimating lens array 2 includes a first collimating lens array 201 , a second collimating lens array 203 and a mirror body array 202 installed between the first collimating lens array 201 and the second collimating lens array 203 .
  • the LED light source array 1 is composed of several LED lamp beads 101 , each LED lamp bead 101 is placed on the focal point of each first collimating lens array 201 , and the second collimating lens array 203 is in a one-to-one correspondence with the honeycomb core material 3 .
  • the bottom surface of the honeycomb core material 3 is attached with a diffuser plate 4, which is used to convert the uneven light source into a surface light source with uniform distribution and blurred dots; there is a certain diffusion space between the blue light diffuser plate 5 and the diffuser plate 4, and
  • the blue light diffusing plate 5 is fixedly installed at the bottom of the sunlight lamp housing, and is used for diffusing the white light or cool white light transmitted by the diffusing plate into blue light.
  • each LED lamp bead 101 is placed at the focal point of the collimating lens array 2 and arranged in a plum-shaped array.
  • the color temperature of the light source of the LED lamp beads 101 generally requires 6000K to 8000K, or 5000K to 10000K, or more than 10000K.
  • the main wavelength of the light source of the LED lamp bead 101 is 430-470 nm, or 400-500 nm.
  • the first collimating lens array 201 is composed of a plurality of first collimating lenses 2011 , the side of each first collimating lens 2011 close to the LED light source is the light incident surface, and the side far from the LED light source is the light emitting surface The light-incident surface is concave, and the light-emitting surface is spherical convex.
  • the second collimating lens array 203 is composed of a plurality of second collimating lenses 2031. The side of each second collimating lens 2031 close to the LED light source is the light incident surface, and the side away from the LED light source is the light emitting surface.
  • the smooth surface is a plane, and the light-emitting surface is a spherical convex surface.
  • the first collimating lens 2011 and the second collimating lens 2031 are any transparent solid materials, including but not limited to acrylic, glass, etc.
  • the light transmittance of the lenses is generally 90-93%, or in a larger range, such as Over 93% or under 80%.
  • the mirror body array 202 is a plurality of black regular hexagonal prisms, and is arranged in a honeycomb-like seamless splicing arrangement, and is arranged in a one-to-one correspondence with the first collimating lens array 201 and the second collimating lens array 203.
  • the honeycomb core material 3 is made of aluminum alloy, glass fiber fabric impregnated with resin, aromatic fiber paper, kraft paper, graphite fiber or Kevlar fiber. Light guide and heat dissipation.
  • the diffuser plate 4 is made of PC, PMMA, or transparent glass or transparent tempered glass with a diffuser film attached, wherein the diffuser film is attached to one side of the transparent glass connected to the honeycomb core material, or both sides of the transparent glass are attached. Diffusion film.
  • the main function of the diffuser plate 4 is to convert the uneven light source into a surface light source with uniform distribution and blurred dots, and at the same time play the role of shielding the honeycomb core material or other optical defects; the second is to improve the viewing angle, increase the softness of the light source, and the third is to support Backlight architecture to avoid damage to the optical material above.
  • the light transmittance of the diffuser plate 4 is generally required to be 85% to 90%, or 80% to 92%, or 75% to 95%.
  • the haze of the diffuser plate 4 is generally required to be 65% to 75%, or 60% to 80%, or 55% to 85%.
  • the blue light scattering plate 5 is composed of a transparent substrate 501 and transparent titanium dioxide nanoparticles with different refractive indices relative to the transparent substrate 501 and an average size significantly smaller than the wavelength of visible light.
  • the titanium dioxide nanoparticles 502 are evenly embedded in the transparent substrate 501 , and the transmitted white light or cool white light is absorbed and suppressed by the titanium dioxide particles 502 in the transparent substrate 501 to filter out sunlight.
  • Medium and long wavelength components, blue light and violet light penetrate the blue light diffusing plate 5 .
  • titanium dioxide nano-particles 502 are made of titanium dioxide nano-film 503 and attached to the transparent substrate 501 , and the transmitted white light or cool white light is absorbed by the titanium dioxide nano-film 503 on the surface of the transparent substrate 501 . and suppression, filtering out the long-wavelength components of sunlight, blue light and violet light penetrating the blue light diffusing plate 5 .
  • Blue light scattering can be explained by Rayleigh scattering. Since the intensity of Rayleigh scattering is inversely proportional to the fourth power of wavelength, the wavelength of red light is longer, and the intensity of the scattered red light is very weak, while the wavelengths of blue and violet light are shorter. The scattering intensity is stronger. Therefore, atmospheric molecules are like a filter that filters out the long-wavelength components of sunlight, and sprinkles the remaining blue and violet light to the earth. The human eye is very insensitive to violet light, thus rendering the sky blue.
  • the diameter d of the nanoparticles In order to meet the requirements of Rayleigh scattering, the diameter d of the nanoparticles must be much smaller than the wavelength ⁇ of the incident light, usually the upper bound is about 1/10 of the wavelength of blue light, such as 48nm, at this time the diameter d of the nanoparticles can be 40nm, 30nm , 20nm, 10nm or 5nm.
  • the light emitted by the LED light source array is collimated into parallel light after passing through the collimating lens array 2 .
  • the parallel light is guided to the diffuser plate 4 through the honeycomb core material 3, so that the light is more uniform and soft.
  • the sun 6 warm light
  • the blue light diffusing plate 5 The blue sky (cold light) formed by scattering.
  • the invention introduces the diffuse blue sky and virtual sun into the indoor space, which can realize the lighting system, medical system and air purification system, and can be applied to indoor lighting, such as home lighting, underground shopping malls, parking lots, conference rooms, office buildings, etc. Lighting places can also be used for auxiliary treatment of depression, such as hospitals, rehabilitation centers, medical research institutions and other places.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

L'invention concerne une lampe à lumière solaire à diffusion de Rayleigh susceptible de diffuser efficacement de la lumière sous la forme de lumière de ciel bleu en l'absence de lumière naturelle. La lampe à lumière solaire à diffusion de Rayleigh comprend, de haut en bas, un réseau de sources de lumière à DEL (1), un réseau de lentilles de collimation (2), un matériau de noyau en nid d'abeilles (3), une plaque de diffusion (4) et une plaque de diffusion de lumière bleue (5). Le réseau de sources de lumière à DEL (1) comprend un premier réseau de lentilles de collimation (201), un second réseau de lentilles de collimation (203) et un réseau de corps de lentilles (202) monté entre le premier réseau de lentilles de collimation (201) et le second réseau de lentilles de collimation (203). Le réseau de sources de lumière à DEL (1) est constitué de plusieurs billes de lampe à DEL (101). Chacune des billes de lampe à DEL (101) est placée sur le foyer de chacun des premiers réseaux de lentilles de collimation (201). Le second réseau de lentilles de collimation (203) et le matériau de noyau en nid d'abeilles (3) sont agencés en un réseau correspondant l'un à l'autre d'une manière biunivoque. La plaque de diffusion (4) est utilisée pour convertir une source de lumière non uniforme en une source de lumière plane avec des points uniformément distribués et flous. La plaque de diffusion de lumière bleue (5) est utilisée pour diffuser une lumière blanche transmise ou une lumière blanche froide sous la forme de lumière bleue.
PCT/CN2020/107790 2020-07-08 2020-08-07 Lampe à lumière solaire à diffusion de rayleigh WO2022007095A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202021325040.0 2020-07-08
CN202010652043.3A CN111649271B (zh) 2020-07-08 2020-07-08 一种瑞利散射阳光灯
CN202010652043.3 2020-07-08
CN202021325040.0U CN212565438U (zh) 2020-07-08 2020-07-08 一种瑞利散射阳光灯

Publications (1)

Publication Number Publication Date
WO2022007095A1 true WO2022007095A1 (fr) 2022-01-13

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PCT/CN2020/107790 WO2022007095A1 (fr) 2020-07-08 2020-08-07 Lampe à lumière solaire à diffusion de rayleigh

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WO (1) WO2022007095A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111649271A (zh) * 2020-07-08 2020-09-11 千奥星科南京生物科技有限公司 一种瑞利散射阳光灯
GB2615122A (en) * 2022-01-29 2023-08-02 Innerscene Ltd Optical display device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009156347A1 (fr) * 2008-06-24 2009-12-30 Light In Light S.R.L Dispositif d’éclairage
WO2012140579A2 (fr) * 2011-04-13 2012-10-18 Koninklijke Philips Electronics N.V. Elément optique permettant d'obtenir un aspect de type lumière du jour, système d'éclairement et luminaire
WO2013128429A1 (fr) * 2012-03-02 2013-09-06 Econation Système de contrôle d'éclairage et procédé permettant de faire fonctionner ledit système
CN103649631B (zh) * 2011-07-20 2017-02-22 皇家飞利浦有限公司 用于提供日光外观的照明系统和照明器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009156347A1 (fr) * 2008-06-24 2009-12-30 Light In Light S.R.L Dispositif d’éclairage
WO2012140579A2 (fr) * 2011-04-13 2012-10-18 Koninklijke Philips Electronics N.V. Elément optique permettant d'obtenir un aspect de type lumière du jour, système d'éclairement et luminaire
CN103649631B (zh) * 2011-07-20 2017-02-22 皇家飞利浦有限公司 用于提供日光外观的照明系统和照明器
WO2013128429A1 (fr) * 2012-03-02 2013-09-06 Econation Système de contrôle d'éclairage et procédé permettant de faire fonctionner ledit système

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111649271A (zh) * 2020-07-08 2020-09-11 千奥星科南京生物科技有限公司 一种瑞利散射阳光灯
CN111649271B (zh) * 2020-07-08 2023-06-20 喜洋阳(南京)科技发展有限公司 一种瑞利散射阳光灯
GB2615122A (en) * 2022-01-29 2023-08-02 Innerscene Ltd Optical display device
GB2617237A (en) * 2022-01-29 2023-10-04 Innerscene Ltd Optical display device

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