WO2022222991A1 - Phare de véhicule et véhicule automobile - Google Patents

Phare de véhicule et véhicule automobile Download PDF

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Publication number
WO2022222991A1
WO2022222991A1 PCT/CN2022/088156 CN2022088156W WO2022222991A1 WO 2022222991 A1 WO2022222991 A1 WO 2022222991A1 CN 2022088156 W CN2022088156 W CN 2022088156W WO 2022222991 A1 WO2022222991 A1 WO 2022222991A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
light guide
lamp
lamp assembly
guide block
Prior art date
Application number
PCT/CN2022/088156
Other languages
English (en)
Chinese (zh)
Inventor
赵亚堃
白璐
周海清
Original Assignee
法雷奥照明湖北技术中心有限公司
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 法雷奥照明湖北技术中心有限公司 filed Critical 法雷奥照明湖北技术中心有限公司
Publication of WO2022222991A1 publication Critical patent/WO2022222991A1/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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/236—Light guides characterised by the shape of the light guide
    • F21S43/241—Light guides characterised by the shape of the light guide of complex shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/0029—Spatial arrangement
    • B60Q1/0041—Spatial arrangement of several lamps in relation to each other
    • B60Q1/0058—Stacked, i.e. one lamp located behind the other in the optical axis direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2607—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic comprising at least two indicating lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/242—Light guides characterised by the emission area
    • F21S43/243—Light guides characterised by the emission area emitting light from one or more of its extremities
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • F21S43/31—Optical layout thereof
    • F21S43/315—Optical layout thereof using total internal reflection

Definitions

  • the utility model relates to the technical field of vehicle lamps, in particular to a vehicle lamp and a motor vehicle.
  • the purpose of the present invention is to propose a vehicle lamp and a motor vehicle, which can at least partially solve the above-mentioned problems.
  • a vehicle lamp includes a first lamp assembly and a second lamp assembly,
  • the first lamp assembly and the second lamp assembly share a light guide block and are stacked above the light guide block, so that the first lamp assembly is closer to the light guide than the second lamp assembly piece;
  • the first lamp assembly includes:
  • the first light guide has a first reflection surface, and the first reflection surface can reflect the light from the first light source toward the light guide block;
  • the second lamp assembly includes:
  • the second light guide can receive and emit light from the second light source, and at least a part of the emitted light is incident on the light guide block;
  • the light guide block includes:
  • the second reflecting surface and the exit surface, the light from the first lamp assembly and the second lamp assembly is reflected by the second reflecting surface and exits from the exit surface.
  • the first lamp group and the second lamp group share one light guide block and emit light from the same light emitting surface.
  • the first light guide includes a light incident portion, and the light incident portion converges the light from the first light source to a focal point and then diverges again;
  • the first reflecting surface includes a paraboloid, and the parabolic surface The focal point of the light incident portion coincides with the focal point of the light incident portion, so as to reflect the light rays condensed at the focal point of the light incident portion into parallel light rays.
  • the light from the first light source becomes parallel light after being reflected by the first reflecting surface, thereby improving the optical efficiency.
  • the first lamp assembly further includes a baffle plate arranged at the focal height of the light incident portion, the baffle plate having a cut-off edge for forming the light distribution of the first lamp assembly cutoff line.
  • the cutoff line of the light distribution of the first lamp assembly can be obtained through the baffle.
  • the first light guide includes a light incident portion, and the collimating portion of the light incident portion can make the light from the first lamp assembly incident on the first reflection surface in parallel, and the The first reflecting surface includes a flat surface.
  • the light from the first light source is kept parallel after being reflected by the first reflecting surface, thereby improving the optical efficiency.
  • the first light guide and the light guide block are integrally formed.
  • an integrated light guide element can be formed, the light guide efficiency can be improved, and the number of components can be reduced.
  • the vehicle lamp further includes a third lamp assembly, and the light from the third lamp assembly can be reflected by the first reflecting surface of the first light guide to be incident into the light guide block.
  • the light from the third light assembly can be used to make up for the part of the light emitted by the second light guide that is blocked by the reflective surface, thereby improving the brightness of the blocked area and improving the lighting of the vehicle lights Effect.
  • the third light assembly includes a third light source and a third light guide, the third light guide capable of guiding light from the third light source toward the first reflective surface.
  • the light from the third light source can be guided towards the first reflecting surface.
  • the third light guide includes a light guide part and a scattering part, the scattering part is arranged between the third light source and the light guide part and is capable of radiating the light of the third light source. Diffuse scattering, the light guide part can receive the light from the scattering part and guide it toward the first reflection surface.
  • the uniformity of the light of the third light source emitted from the light guide block can be improved by the scattering portion.
  • the scattering portion is made of diffuse scattering material.
  • the incident surface of the light guide block for receiving the outgoing light from the second light guide has roughness to scatter the light from the second light guide.
  • the reflection efficiency of the reflection surface of the first light guide can be improved.
  • a motor vehicle comprising a vehicle lamp according to the preceding aspect and any one of the embodiments.
  • FIG. 1A to 1C are schematic schematic diagrams of a vehicle lamp 100 according to the present invention, wherein, FIG. 1A and FIG. 1C are schematic diagrams of a situation where an auxiliary light source is provided in the vehicle lamp 100 , and FIG. 1B is a vehicle lamp without an auxiliary light source. Schematic diagram of the situation of the light source.
  • Figure 2 is a schematic front view of the lamp(s) according to the present invention after being mounted on the body of a motor vehicle.
  • 3A is a front view of a plurality of (specifically, 3) vehicle lights according to the present invention.
  • 3B and 3C are a left side view and a right side view of the vehicle lamp 100 according to the present invention, respectively.
  • FIG. 3D is a cross-sectional view of the lamp 100 of FIG. 3A along the line D-D.
  • FIG. 1A to 1C are schematic schematic diagrams of a vehicle lamp 100 according to the present invention, wherein, FIG. 1A and FIG. 1C are schematic diagrams of a situation where an auxiliary light source is provided in the vehicle lamp 100 , and FIG. 1B is a situation where the vehicle lamp 100 is not provided Schematic diagram of the case of auxiliary light sources.
  • 3B and 3C are a left side view and a right side view of the vehicle lamp 100 of the present invention, respectively.
  • FIG. 3D is a cross-sectional view of the lamp 100 of FIG. 3A along the line D-D.
  • the vehicle lamp 100 includes a first lamp assembly and a second lamp assembly.
  • the first light assembly may be a high beam light assembly and/or a low beam light assembly.
  • the second light assembly may be a daytime running light assembly. It can be understood that the first lamp assembly, the second lamp assembly and the third lamp assembly to be described below are not limited to be used as the above-listed functional lamp assemblies, but can also be used as other functional lamp assemblies, for example, Not limited to, turn signal assembly or position light assembly, etc.
  • the first lamp assembly and the second lamp assembly share one light guide block 2 and are generally stacked above the light guide block 2 , so that the first lamp assembly is closer to the incident surface 21 of the light guide block 2 than the second lamp assembly.
  • the first lamp assembly may include: a first light source S KINK configured to emit light; and a first light guide 1 capable of receiving light from the first light source S KINK , and the first light guide 1 has a reflective surface 11 that reflects The surface 11 can reflect the light from the first light source S KINK toward the incident surface 21 of the light guide block 2 .
  • the first light guide 1 has a light incident portion, which includes, for example, but not limited to, a convex lens portion, which can condense the light from the first light source S KINK to the focal point F and then diverge again;
  • the reflective surface 11 includes A paraboloid, the focal point of the paraboloid coincides with the focal point F of the light incident part, so as to reflect the light of the first light source S KINK that converges at the focal point F as parallel light rays incident on the incident surface 21 of the light guide block 2, thereby improving the first light source S KINK.
  • Optical efficiency of the lamp assembly is Optical efficiency of the lamp assembly.
  • the first light assembly may further include a baffle plate arranged at the height of the focal point F of the light incident portion, the The baffle has a cutoff edge that can be used to form a cutoff for the light distribution of the first lamp assembly.
  • the light incident portion of the first light guide 1 includes a collimating portion, which can collimate the light from the first light source S KINK to make it incident on the reflective surface 11 in parallel;
  • the reflective surface 11 may include a flat surface, It can reflect the light from the first light source S KINK toward the incident surface 21 of the light guide block 2 in a parallel manner, thereby improving the optical efficiency of the first lamp assembly.
  • the reflection surface 11 can reflect the light from the light incident portion in a total reflection manner, thereby further improving the optical efficiency of the first lamp assembly.
  • the reflective surface 11 may be transparent, translucent, or opaque, for example, an opaque metal reflective layer is coated or plated on the reflective surface 11 .
  • the light reflected by the reflection surface 11 is incident on the incident surface 21 of the light guide block 2 , more specifically the first region 211 of the incident surface 21 , via the exit surface 12 of the first light guide 1 . Then, the above-mentioned light is reflected by the reflection surface 22 of the light guide block 2 , and finally exits as the light BM KINK through the exit surface 23 of the light guide block 2 .
  • the light guide block 2 generally has a triangular cross-section, but it is not limited thereto, and the light guide block 2 may have any other suitable cross-sectional shape.
  • first light guide 1 and the light guide block 2 can be integrally formed.
  • the light from the reflective surface 11 of the first light guide 1 can be directly incident on the reflective surface 22 of the light guide block 2, while There is no need to pass through the exit surface 12 of the first light guide 1 and the incident surface 21 of the light guide block 2 .
  • the second lamp assembly includes a second light source S DRL and a second light guide 3 , wherein the second light source S DRL is arranged on one side of the second light guide 3 .
  • the side of the second light guide 3 close to the second light source S DRL can receive the light from the second light source S DRL , and the top of the second light guide 3 is provided with serrations, which can destroy the total reflection of the light and make the light uniform from the second light guide.
  • the bottom of the 3 exits.
  • the arrangement of the second light source S DRL and the second light guide 3 and the structure of the second light guide 3 are not limited thereto, and any other suitable light guides capable of emitting light toward the light guide block 2 may also be used.
  • a part of the light emitted from the second light guide 3 enters the light guide block 2 through the incident surface 21 of the light guide block 2 , more specifically the second region 212 of the incident surface, and is reflected by the reflective surface 22 .
  • the light BM DRL exits from the exit surface 23; however, there is still a part of the light that fails to reach the DS area light guide block 2 on the reflective surface 22 due to being blocked by the reflective surface 11 of the first light guide 1, for example, in the first light guide 1
  • the reflective surface 11 of the A part of the light of the two light guides 3 is reflected or refracted by the reflective surface 11 and cannot reach the DS area on the reflective surface 22 of the light guide block 2 .
  • the human eye observes the outgoing surface 23 of the light guide block, it will find an area DS with low brightness, which is not conducive to the beauty of the lighting effect.
  • the vehicle lamp 100 of the present invention is further provided with an auxiliary third lamp assembly.
  • the third lamp assembly includes a third light source S AD and a third light guide, and the third light guide can guide the light from the third light source S AD toward the reflective surface 11 of the first light guide 1 , so that the third light source S AD At least a part of the light from the light is reflected by the reflecting surface 11 to the reflecting surface 22 of the light guide block 2 , and finally exits from the exit surface 23 together with the light from the second light guide 3 .
  • the light from the third lamp assembly can be used to compensate for the part of the emitted light from the second light guide 2 that is blocked by the reflective surface 11 , thereby improving the brightness of the area DS shown in FIG. 1B .
  • the third light guide may include a light guide portion 4 for guiding light from the third light source S AD to the reflective surface 11 of the first light guide 1 .
  • the light from the third light source S AD may be configured to propagate inside the light guide part 4 by means of total reflection, thereby improving the optical efficiency.
  • the light guide portion 4 may be made of, for example, but not limited to, a transparent material.
  • the third light guide may further include a scattering part 5 , which is arranged between the third light source S AD and the guide Between the light parts 4 , the light of the third light source S AD is used to diffusely scatter the light of the third light source S AD before the light of the third light source S AD enters the light guide part 4 .
  • the scattering part 5 may be made of, for example, but not limited to, a diffuse scattering material.
  • the second region 212 of the incident surface 21 may be a surface with roughness, for example, but It is not limited to a frosted surface, or a surface with fine texture, or a surface with fine unevenness, so that the light of the second light source S DRL can be scattered when incident on the light guide block 2 .
  • the third light guide also includes the scattering portion 5 , the light of the second light source S DRL and the light of the third light source S AD can be mixed uniformly inside the light guide block 2 , and finally uniformly emitted from the exit surface 23 .
  • the first light source S KINK , the second light source S DRL and the third light source S AD may be light emitting diodes, or may be any other suitable light emitting components. As shown in FIG. 3D , the first light source S KINK and the third light source S AD may be arranged on the same printed circuit board, but not limited thereto, they may also be arranged on different printed circuit boards.
  • Figure 2 is a schematic front view of the lamp(s) according to the present invention after being mounted on the body of a motor vehicle. As shown in FIG. 2 , three lamps 100 , 100 ′, 100 ′′ are mounted on the body 40 of the motor vehicle through the lamp mounting bracket 30 .
  • 3A is a front view of a plurality of vehicle lamps (specifically, three vehicle lamps 100, 100', 100") according to the present invention. Although the three vehicle lamps 100, 100', 100" have different shapes and sizes different, but their construction is generally similar. Therefore, the vehicle lamp 100 is mainly used as an example for description herein.

Abstract

L'invention concerne un phare de véhicule (100) et un véhicule automobile utilisant le phare de véhicule (100). Le phare de véhicule (100) comprend un premier ensemble phare et un second ensemble phare. Le premier ensemble phare et le second ensemble phare partagent un bloc de guidage de lumière (2) et sont agencés au-dessus du bloc de guidage de lumière (2) d'une manière empilée, de sorte que le premier ensemble phare est plus proche du bloc de guidage de lumière (2) que le second ensemble phare. Le premier ensemble phare comprend une première source de lumière (SKINK) et un premier guide de lumière (1). Le premier guide de lumière (1) présente une première surface réfléchissante (11). La première surface réfléchissante (11) est apte à réfléchir la lumière provenant de la première source de lumière (SKINK) en direction du premier bloc de guidage (2). Le second ensemble phare comprend une seconde source de lumière (SDRL) et un second guide de lumière (3). Le second guide de lumière (3) est apte à recevoir et à émettre de la lumière à partir de la seconde source de lumière (SDRL), et au moins une partie de la lumière émise est incidente dans le bloc de guidage de lumière (2). Le bloc de guidage de lumière (2) comprend une seconde surface réfléchissante (22) et une surface de sortie (23), et la lumière provenant du premier ensemble phare et du second ensemble phare est réfléchie par la seconde surface réfléchissante (22) et sort de la surface de sortie (23).
PCT/CN2022/088156 2021-04-21 2022-04-21 Phare de véhicule et véhicule automobile WO2022222991A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202120826923.8U CN215411710U (zh) 2021-04-21 2021-04-21 车灯和机动车辆
CN202120826923.8 2021-04-21

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Publication Number Publication Date
WO2022222991A1 true WO2022222991A1 (fr) 2022-10-27

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PCT/CN2022/088156 WO2022222991A1 (fr) 2021-04-21 2022-04-21 Phare de véhicule et véhicule automobile

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WO (1) WO2022222991A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN215411710U (zh) * 2021-04-21 2022-01-04 法雷奥照明湖北技术中心有限公司 车灯和机动车辆

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110013411A1 (en) * 2008-03-03 2011-01-20 Fujikura Ltd. Door Mirror Device
FR3010772A1 (fr) * 2013-07-25 2015-03-20 Valeo Vision Dispositif d'emission de lumiere pour projecteur de vehicule automobile
CN106439670A (zh) * 2015-08-06 2017-02-22 法雷奥照明公司 具有两个反射面的透明材料发光模块
CN206724036U (zh) * 2017-04-21 2017-12-08 法雷奥照明湖北技术中心有限公司 光束调整装置与光学组件
CN112443814A (zh) * 2019-08-28 2021-03-05 法雷奥照明湖北技术中心有限公司 光导组件、车灯和车辆
CN212691666U (zh) * 2020-09-29 2021-03-12 华域视觉科技(上海)有限公司 车灯光学元件、车灯模组及车灯
CN215411710U (zh) * 2021-04-21 2022-01-04 法雷奥照明湖北技术中心有限公司 车灯和机动车辆

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110013411A1 (en) * 2008-03-03 2011-01-20 Fujikura Ltd. Door Mirror Device
FR3010772A1 (fr) * 2013-07-25 2015-03-20 Valeo Vision Dispositif d'emission de lumiere pour projecteur de vehicule automobile
CN106439670A (zh) * 2015-08-06 2017-02-22 法雷奥照明公司 具有两个反射面的透明材料发光模块
CN206724036U (zh) * 2017-04-21 2017-12-08 法雷奥照明湖北技术中心有限公司 光束调整装置与光学组件
CN112443814A (zh) * 2019-08-28 2021-03-05 法雷奥照明湖北技术中心有限公司 光导组件、车灯和车辆
CN212691666U (zh) * 2020-09-29 2021-03-12 华域视觉科技(上海)有限公司 车灯光学元件、车灯模组及车灯
CN215411710U (zh) * 2021-04-21 2022-01-04 法雷奥照明湖北技术中心有限公司 车灯和机动车辆

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