WO2019085244A1 - Réverbère à laser - Google Patents

Réverbère à laser Download PDF

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Publication number
WO2019085244A1
WO2019085244A1 PCT/CN2017/120391 CN2017120391W WO2019085244A1 WO 2019085244 A1 WO2019085244 A1 WO 2019085244A1 CN 2017120391 W CN2017120391 W CN 2017120391W WO 2019085244 A1 WO2019085244 A1 WO 2019085244A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
light
street lamp
outer casing
lamp according
Prior art date
Application number
PCT/CN2017/120391
Other languages
English (en)
Chinese (zh)
Inventor
张峰
刘征平
杨仲奎
Original Assignee
重庆光遥光电科技有限公司
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 重庆光遥光电科技有限公司 filed Critical 重庆光遥光电科技有限公司
Publication of WO2019085244A1 publication Critical patent/WO2019085244A1/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
    • 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
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • 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
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the 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
    • F21V5/04—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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • 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
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • 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
    • F21Y2115/30—Semiconductor lasers

Definitions

  • the invention relates to the technical field of illumination, and in particular to a laser street lamp.
  • LEDs Light Emitting Diodes
  • LDs Laser Diodes
  • LED In terms of street lighting, LED has the advantages of long life, energy saving and environmental protection.
  • the secondary optical design is an important technique for determining the light distribution curve, output light efficiency, uniformity, and glare index of LED street lamps.
  • the luminosity distribution of most high-power white LEDs on the market is the Lange distribution, the spot is circular, and the full width of the beam angle at half the peak intensity is about 120°, if there is no secondary optics.
  • Light design then the spot on the road will be a "cake", about half of the spot will be scattered outside the road and wasted, and the middle of the spot will be brighter, and it will gradually darken around. After the lights are installed on the road, there will be a clear distribution of light and dark spots between the street lamps, causing visual fatigue to the driver and causing an accident.
  • a new type of laser street lamp as described in the patent application number CN201710206197.8, comprising a lamp housing, a heat dissipation baffle, a laser illumination module and a light transmissive mask, the lamp housing and the heat dissipation baffle are combined to form a cavity, the heat dissipation baffle and the light transmission
  • the masks are connected, and one or more laser illumination modules are disposed under the light transmissive mask.
  • the laser illumination module includes optics and a bracket, and the optics are attached to the bracket.
  • the optical device includes a laser light source, a collimating lens, a focusing lens, a phosphor film, a secondary light distribution element TIR lens, and a diffractive optical element that are fixed to the holder in order from the bottom to the top. Because the position of the TIR lens and the phosphor film of the secondary light distribution element is adjusted, the large-angle divergent beam is effectively collected after total internal reflection, which results in loss of part of the beam; the collimating lens is placed concentrically with the focusing lens. The assembly is complicated; the optical device is fixed on the bracket from the bottom to the top in order, because it is fixed on the bracket and the bracket is a whole, which is not easy to maintain.
  • the object of the present invention is to provide a laser street lamp which not only has small light loss, simple assembly, convenient maintenance, but also can emit soft and uniform light which is favorable to the human eye, and the utilization rate of the whole light energy is up to 90%, thereby saving energy. .
  • the object of the present invention is achieved by the technical solution.
  • the present invention provides a laser street lamp comprising a fiber, a housing I, a lens assembly, a fixing device, a phosphor device, a reflective bowl, a light distribution lens and a pressure, which are sequentially connected and fixed.
  • the cover is fixed in the fixed casing, and the lens assembly is fixed in the fixing device; the phosphor device is fixed in the fixing device, and the gland fixes the light distribution lens in the fixing device.
  • the light-emitting end of the optical fiber is fixed in the fixed casing, and the lens assembly is fixed in the fixing device; the phosphor device is fixed in the fixing device, and the pressing cover fixes the light-distributing lens in the fixing device; the light beam emitted by the optical fiber is combined by the lens After shaping, it is incident on the phosphor device, and is distributed by a light distribution lens to generate a desired spot.
  • the mutual connection and fixing relationship are matched with the detachable structure connection, the assembly is simple and the maintenance is convenient; the lens combination and the light distribution lens collimate, shape and finally distribute the laser beam, which can be irradiated to benefit the human eye. Soft and even light.
  • the invention has the following advantages: not only the light loss is small, the assembly is simple, the maintenance is convenient, and the soft and uniform light which is favorable to the human eye can be irradiated, and the utilization rate of the overall light energy is up to 90%, saving Energy.
  • FIG. 1 is a schematic structural view of a laser street lamp of the present invention.
  • FIG. 2 is a schematic exploded view of a laser street lamp of the present invention.
  • FIG. 3 is a schematic view of a combination of a laser street light lens of the present invention.
  • FIG. 4 is a schematic diagram of a point sequence generated by the combination of the laser street lamp lens of the present invention.
  • Fig. 5 is a schematic view showing the distribution of light spots of the observation surface of the laser street lamp at a distance of 10 meters away from the lamp cap.
  • the laser street lamp of the present invention comprises an optical fiber 1, a housing I2, a lens assembly 3, a fixing device 4, a phosphor device 5, a reflective bowl 6, a light distribution lens 7, and a gland 8 which are sequentially connected and fixed.
  • the light exit end of the optical fiber 1 is fixed in the outer casing I2, and the lens assembly 3 is fixed in the fixing device 4; the phosphor device 5 is fixed in the fixing device 4, and the pressure cover 8 fixes the light distribution lens 7 in the fixing device 4.
  • the light-emitting end of the optical fiber is fixed in the fixed casing, and the lens assembly is fixed in the fixing device; the phosphor device is fixed in the fixing device, and the pressing cover fixes the light-distributing lens in the fixing device; the light beam emitted by the optical fiber is combined by the lens After shaping, it is incident on the phosphor device, and is distributed by a light distribution lens to generate a desired spot.
  • the mutual connection and fixing relationship are matched with the detachable structure connection, the assembly is simple and the maintenance is convenient; the lens combination and the light distribution lens collimate, shape and finally distribute the laser beam, which can be irradiated to benefit the human eye. Soft and even light.
  • the light exit end of the optical fiber 1 is extended from the interface of the outer casing I2 by 1 mm to 2 mm; the beam emitted by the laser is ensured to be in an optimum state.
  • the outer casing I2 has a funnel shape, the inner surface is a mirror surface, and the outer casing I2 has a funnel-shaped light end provided with an internal thread 9; since the light emitted by the laser light is 360°, the inner surface of the outer casing I2 is a mirror surface for reflecting as much as possible. The light ensures the utilization of light energy.
  • the lens assembly 3 includes a lens I10 and a lens II11; the light incident surface of the lens I10 is a collimated surface type, the light emitting surface of the lens I10 is a vertical or horizontal direction, and the light emitting surface is a concave cylindrical mirror; the light incident surface of the lens II11
  • the vertical direction of the illuminating surface is a concave cylindrical surface type, and the horizontal direction is a convex cylindrical surface type, and the surface shape is a surface formed by the intersection of a vertical concave surface and a horizontal convex surface.
  • the light beam is emitted from the light source through the lens I10 into the light surface.
  • the light incident surface is a collimated surface type
  • the light beam is collimated and then emitted by the light exit surface
  • the light exit surface of the lens I10 is vertical or horizontal
  • the light exit surface is a concave cylindrical mirror.
  • the vertical direction of the light incident surface and the light exit surface of the lens II11 is a concave cylindrical surface type
  • the horizontal direction is a convex cylindrical surface type
  • the surface shape is a surface formed by the intersection of a vertical concave surface and a horizontal convex surface; the light emitting surface through the lens I10 and the lens II11
  • the combination of different surface types of the light entrance surface and the light exit surface makes the light spot emitted by the light beam uniform, and the light beam is shaped and used.
  • the light incident surface and the light exit surface of the lens II11 are both concave surface type, and the vertical direction is a convex surface type, and the surface shape is a surface formed by the intersection of a vertical concave surface and a horizontal convex surface; such a design can satisfy More beam angles are designed to meet higher shaping needs.
  • the focal length of the second surface of the lens I10 is f y1
  • the first focal length f y2 in the vertical direction of the lens II11 and the vertical direction f y3 of the second surface of the lens II11 are superimposed to change the beam half angle to ⁇ .
  • y (-75° ⁇ ⁇ y ⁇ 75°);
  • d is the thickness of the lens
  • D is the interval between the two lenses;
  • the half height of the spot is H y
  • the light exit angle ⁇ y arctanH y /f y ;
  • the first plane f x1 of the lens II11 and the second surface f x2 of the horizontal direction are superimposed, which will change the horizontal half-angle ⁇ x of the beam, (-75° ⁇ ⁇ x ⁇ 75°), d For lens thickness.
  • the half height of the spot is H x
  • the light exit angle ⁇ y arctanH x /f x .
  • the phosphor device 5 is in the shape of an arch bridge, and the protrusions 12 are provided at both ends, and the distance between the two protrusions 12 is matched with the lens II11; the arch bridge is combined with the lens shown in FIG. 4 to generate a spot.
  • the dot-column diagrams are matched to save the cost of the phosphor device 5, and the gaps on both sides ensure a certain heat dissipation effect.
  • the fixing device 4 includes a pressing ring 13, a housing II14 and a fixing device set 15.
  • the outer portion of the pressing ring 13 is provided with an external thread 16, the inner surface of the pressing ring 13 is a mirror surface, and the outer casing II14 is provided on the light side.
  • the light-emitting side is provided with a recess 18, and the fixture set 15 is an annular structure provided with a chuck 19 matched with the recess 18 of the outer casing II14; the projection 12 of the phosphor device 5 is matched to the lens II11, and the phosphor device 5 is secured within the outer casing II14 through the fixture set 15.
  • the precision of the overall device is ensured, and the use of multi-layer threads makes the assembly of the overall laser street lamp simple and easy to maintain.
  • the reflective bowl 6 has a flared shape, and the inner surface of the reflective bowl 6 is a mirror surface, and the light incident side thereof is matched with the outer casing II14, and is fixed by screws and screw holes 20; the inner surface of the reflective bowl 6 is mirrored to ensure light energy. Utilization.
  • the light-emitting side of the reflective bowl 6 is provided with a matching gland 8 for fixing the light distribution lens 7 in the reflective bowl 6,
  • the gland 8 is a hollow structure;
  • the reflective bowl 6 has two grooves 21 in the vertical direction, and the groove 21 is provided with a screw hole 22 for fixing the gland 8.
  • the screw fixing makes the lamp head more stable, and the design of the groove 21 does not affect the beauty of the laser street lamp.
  • the housing I2 is provided with a threaded hole 23 for adjusting the distance between the lens assembly and the optical fiber; it is convenient to adjust the distance between the lens and the optical fiber.
  • the light incident surface 24 of the light distribution lens 7 is a free curved surface
  • the light exit surface 25 is a concave cylindrical surface. Adjust the effect of the light panel according to the needs of different occasions.
  • the laser spotlight is far away from the spot distribution at the observation surface 10 meters away from the lamp head.
  • the minimum value is 6.5165e-0.14, the maximum value is 64.145, the average value is 8.8295, the total luminous flux is 211.91W, and the luminous flux/emission flux is 0.92515.
  • the light energy utilization rate of the present invention can reach 90%, and the light beam is soft and uniform.

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

Abstract

L'invention concerne un réverbère à laser, comprenant une fibre optique (1), un boîtier I (2), une combinaison de lentilles (3), un dispositif de fixation (4), un dispositif de poudre fluorescente (5), un bol réfléchissant (6), une lentille de distribution de lumière (7) et un couvercle à pression (8) reliés successivement et fixés les uns aux autres, une extrémité d'émission de lumière de la fibre optique (1) est fixée dans le boîtier fixe I (2), et la combinaison de lentilles (3) est fixée dans le dispositif de fixation (4) ; et le dispositif de poudre fluorescente (5) est fixé dans le dispositif de fixation (4), et le couvercle à pression (8) fixe la lentille de distribution de lumière (7) dans le dispositif de fixation (4). Le réverbère à laser n'est pas seulement à faible perte de lumière, simple à monter et pratique à entretenir, mais peut également émettre une lumière douce et uniforme favorable aux yeux humains, et le taux d'utilisation global de l'énergie lumineuse est jusqu'à 90 %, ce qui permet d'économiser de l'énergie.
PCT/CN2017/120391 2017-10-31 2017-12-30 Réverbère à laser WO2019085244A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711047893.5 2017-10-31
CN201711047893.5A CN107702001A (zh) 2017-10-31 2017-10-31 一种激光路灯

Publications (1)

Publication Number Publication Date
WO2019085244A1 true WO2019085244A1 (fr) 2019-05-09

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Application Number Title Priority Date Filing Date
PCT/CN2017/120391 WO2019085244A1 (fr) 2017-10-31 2017-12-30 Réverbère à laser

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CN (1) CN107702001A (fr)
WO (1) WO2019085244A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109084259A (zh) * 2018-09-14 2018-12-25 浙江光塔节能科技有限公司 一种光纤照明***

Citations (6)

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Publication number Priority date Publication date Assignee Title
CN202253123U (zh) * 2011-06-08 2012-05-30 江苏扬子机电科技有限公司 一种穿孔整体式大功率led路灯
CN202302988U (zh) * 2011-06-08 2012-07-04 江苏扬子机电科技有限公司 一种穿孔对流循环大功率led路灯
CN102691972A (zh) * 2011-03-25 2012-09-26 刘木清 成矩形光斑的led二次光学***、led光源化模组及led灯具
CN202835274U (zh) * 2012-03-09 2013-03-27 常州泰和光电科技有限公司 基于热流密度原理的led灯壳
US20130083541A1 (en) * 2011-10-03 2013-04-04 Yu-Bin Fang Optical lens, light-emitting diode optical component and light-emitting diode illumination lamp
CN106939983A (zh) * 2016-12-14 2017-07-11 江西科技师范大学 一种新型激光路灯

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101936461A (zh) * 2009-06-30 2011-01-05 富准精密工业(深圳)有限公司 光源模组
CN203202908U (zh) * 2013-04-22 2013-09-18 深圳市汉鼎能源科技有限公司 Led路灯配光透镜
CN207716175U (zh) * 2017-10-31 2018-08-10 重庆光遥光电科技有限公司 一种激光路灯

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102691972A (zh) * 2011-03-25 2012-09-26 刘木清 成矩形光斑的led二次光学***、led光源化模组及led灯具
CN202253123U (zh) * 2011-06-08 2012-05-30 江苏扬子机电科技有限公司 一种穿孔整体式大功率led路灯
CN202302988U (zh) * 2011-06-08 2012-07-04 江苏扬子机电科技有限公司 一种穿孔对流循环大功率led路灯
US20130083541A1 (en) * 2011-10-03 2013-04-04 Yu-Bin Fang Optical lens, light-emitting diode optical component and light-emitting diode illumination lamp
CN202835274U (zh) * 2012-03-09 2013-03-27 常州泰和光电科技有限公司 基于热流密度原理的led灯壳
CN106939983A (zh) * 2016-12-14 2017-07-11 江西科技师范大学 一种新型激光路灯

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Publication number Publication date
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