CN109058915B - LED light source high beam and low beam integrated car lamp module - Google Patents

LED light source high beam and low beam integrated car lamp module Download PDF

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Publication number
CN109058915B
CN109058915B CN201811213098.3A CN201811213098A CN109058915B CN 109058915 B CN109058915 B CN 109058915B CN 201811213098 A CN201811213098 A CN 201811213098A CN 109058915 B CN109058915 B CN 109058915B
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Prior art keywords
light source
low
condenser
light
convex lens
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CN201811213098.3A
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CN109058915A (en
Inventor
宋佳玲
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Changzhou Scenery Vehicle Accessories Co ltd
Shenzhen Litong Information Technology Co ltd
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Changshu Institute of Technology
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/36—Combinations of two or more separate reflectors
    • 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
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
    • 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
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • 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]

Abstract

The invention discloses an LED light source high beam and low beam integrated car lamp module which comprises a low beam light source, a low beam condenser, a high beam light source, a reflector and a convex lens, wherein the low beam light source is arranged at an optical origin at the tail end of the low beam condenser, the front end of the low beam condenser is provided with a light outlet surface, the light outlet surface is provided with a cut-off line forming line of a low beam shape, the convex lens is arranged in front of the light outlet surface, the high beam light source and the reflector are arranged below the tail part of the low beam condenser, the reflector comprises a plurality of ellipsoidal reflecting bowls, openings are arranged at the upper part and the front part of the ellipsoidal reflecting bowls, the high beam light source is arranged at the first focus of the ellipsoidal reflecting bowls, the second focus of the ellipsoidal reflecting bowls is arranged on the cut-off line forming line, and the focus of the convex lens is arranged on the cut-off line forming line. The high beam and low beam seamless connection structure is not easy to generate the problem of abrasion failure, and the comprehensive performance and the optical efficiency of the module system are higher.

Description

LED light source high beam and low beam integrated car lamp module
Technical Field
The invention relates to a car lamp module, in particular to an LED light source high and low beam integrated car lamp module.
Background
In recent years, the condenser is more and more applied in the car light module, and the condenser has many optical advantages, for example, the volume is a lot less than traditional speculum to and optical efficiency also is higher than the speculum, and in addition, the condenser can integrate a lot of optical elements as an organic whole, can make car light module simplify some parts, has simplified the structure of car light module. The reflector is used as an optical component of the car lamp module and has unique advantages, for example, the light shape formed by the reflector is more uniform, the chromaticity is better, and the connection performance of the superposition of the high beam light shape and the low beam light shape is better when the reflector is used as an optical component of high beam.
Adopt the integrative car light module of LED light source distance light and distance light of spotlight ware among the prior art, generally all realize through the spotlight ware for passing through light and distance light, or the passing light adopts the speculum reflection, and the distance light is realized by the spotlight ware, and these technical scheme all have some problems, for example the connectivity of distance light and passing light is relatively poor, the colourity of distance light is relatively poor and comprehensive optical efficiency is lower etc.. When the optical parts of the near light and the far light of the prior art scheme all adopt the condenser, except the defects of poor connection of the far light and the near light, poor chromaticity of the far light and the like, the near light condenser and the far light condenser need to be contacted, and the vibration easily generates abrasion in the driving process and generates powder, thereby causing optical shape failure.
Disclosure of Invention
The invention aims to provide an LED light source high-beam and low-beam integrated vehicle lamp module, which solves the problems of high-beam and low-beam connection and poor chromaticity, avoids the abrasion problem caused by setting optical parts of both the low-beam and the high-beam as condensers, and avoids light shape failure.
The technical scheme of the invention is as follows: the utility model provides an integrative car light module of LED light source distance light, includes short-distance beam light source, short-distance beam condenser, distance light source, speculum and convex lens, short-distance beam light source set up in the optics primary point department of short-distance beam condenser tail end, the front end of short-distance beam condenser is equipped with out the plain noodles, it forms the line to go out the plain noodles and is equipped with the cut-off line of short-distance beam light shape, convex lens set up in the place ahead of going out the plain noodles, the afterbody below of short-distance beam condenser is equipped with distance light source and speculum, the speculum includes a plurality of ellipsoid reflection bowls, the upper portion and the front portion of ellipsoid reflection bowl are equipped with the opening, distance light source set up in the first focus department of ellipsoid reflection bowl, the second focus of ellipsoid reflection bowl set up in on the cut-off line forms the line, convex lens's focus set up in on the cut-off line.
In the invention, light emitted by the low-beam light source is transmitted inside the low-beam condenser, is emitted from the light-emitting surface, and irradiates forwards to form a low-beam shape of the car lamp after passing through the convex lens. The light emitted by the high beam light source is reflected by the reflector, is cut off by a cut-off line of the light-emitting surface of the near beam condenser to form a line, and then irradiates forward to form a high beam shape of the car lamp after passing through the convex lens.
Further, the number of the ellipsoidal reflecting bowls is equal to the number of the high-beam light sources.
Further, the number of the low beam light sources is greater than or equal to 4, and the number of the high beam light sources is greater than or equal to 2.
Furthermore, a reflective layer is arranged on the outer surface of the bottom side of the low-beam condenser.
Preferably, the reflective layer is an aluminum-plated reflective layer having a reflectance of 0.8 or more.
Preferably, the inner surface of the ellipsoidal reflecting bowl is an aluminized reflecting layer with the reflectivity of more than or equal to 0.8.
Preferably, the material of the low-beam condenser is a transparent plastic.
Preferably, the convex lens is a biconvex lens, and the material of the convex lens is glass or transparent plastic.
Preferably, the low beam light source and the high beam light source are both LED light sources.
The technical scheme provided by the invention has the advantages that:
1. the cut-off line forms a line on the low beam condenser, and the high beam formed by the reflector is also cut by the cut-off part to form the high beam, so that the connection part of the high beam and the low beam is in seamless connection, and the connection performance of the high beam and the low beam is improved.
2. Compared with the optical part adopting a condenser as the high beam shape, the reflector adopted as the high beam optical part can avoid forming a large amount of dispersion, so that the high beam chromaticity of the LED high beam and low beam integrated car lamp module is more uniform.
3. Sufficient clearance can be left with the reflector that forms the distance light to the short-distance beam condenser, need not carry out the front portion contact like two condensers in the car light module that adopts two condensers, has avoided the optical element wearing and tearing that the driving vibration caused, and overall reliability is higher, is difficult for causing the light shape inefficacy.
4. Convex lens improves the setting for biconvex lens, and its size such as thickness is less relatively plano-convex lens, can reduce the size of whole car light module, in addition, still is favorable to solving the interior focus problem of sunlight.
5. The dipped beam light source and the high beam light source are separately arranged in position, the heat source is dispersed, and the heat dissipation performance of the car lamp module is good.
6. The condenser is used as an optical part of a low beam, and the reflector is used as an optical part of a high beam, so that the high efficiency utilization of the condenser to a low beam light source and the light shape uniformity characteristic of the reflector as a high beam functional part are fully utilized, and the comprehensive performance and the optical efficiency of the module system are higher.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of an LED light source high-beam and low-beam integrated vehicle lamp module.
Fig. 2 is a schematic diagram of relative positions of the high beam light source, the reflector and the convex lens.
Fig. 3 is a schematic view of the light direction of the high beam and the low beam integrated vehicle lamp module of the LED light source.
Detailed Description
The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention thereto.
Referring to fig. 1, fig. 2 and fig. 3, a high beam and low beam integrated vehicle lamp module with LED light source according to the present embodiment includes a low beam light source 1, a low beam condenser 2, a high beam light source 3, a reflector 4 and a convex lens 5. The dipped beam light sources 1 and the high beam light sources 3 are LED light sources, the number of the dipped beam light sources 1 is 5, the middle one is a three-chip LED light source, two sides are respectively provided with two single-chip LED light sources, and the number of the high beam light sources 3 is 2. The tail end of the low-beam condenser 2 is provided with a condensing cup structure, and the low-beam light source 1 is arranged at the tail end of the low-beam condenser 2 and is positioned at the optical origin of the low-beam condenser 2. The front end of the low beam condenser 2 is a light-emitting surface 2a, the lower part of the light-emitting surface 2a is provided with a cut-off line forming line of the low beam shape of the vehicle lamp, and the shape of the cut-off line forming line can be designed into different shapes according to different regulations so as to meet the requirements. The material of the low beam condenser 2 is a PC material with a refractive index of about 1.586, and the bottom side outer surface 2b is plated with an aluminum-plated reflecting layer with a reflectivity of 0.8 or more, so that a part of light of high beam is reflected by the bottom side outer surface 2b and irradiates forward, thereby forming effective light and further improving the system optical efficiency of the car lamp module.
The high beam light source 3 and the reflector 4 are both positioned below the tail end of the low beam condenser 2, and the convex lens 5 is disposed in front of the light-emitting surface 2 a. The light source that the dispersion set up for the heat source is dispersed and is opened, more is favorable to the heat dissipation, improves the calorifics performance of car light module. Because the number of the high beam light sources 3 is 2, the corresponding reflector 4 is composed of two ellipsoidal reflecting bowls, and the upper parts and the front parts of the ellipsoidal reflecting bowls are provided with openings, namely the openings of the ellipsoidal reflecting bowls face the bottom side of the low beam condenser 2 and the convex lens 5. The high beam light source 3 should be arranged at the first focus of the ellipsoid reflection bowl, and the second focus of the ellipsoid reflection bowl should be arranged on the cut-off line forming line of the light emitting surface 2a, so that the light emitted by the high beam light source 3 is reflected by the ellipsoid reflection bowl and is cut off by the cut-off line forming line, and then is in seamless connection with the dipped beam. The inner surface of the reflector 4, namely the ellipsoidal reflecting bowl, is plated with an aluminized reflecting layer with the reflectivity of more than or equal to 0.8, so that the reflecting efficiency is improved. The convex lens 5 is made of PMMA material having a refractive index of about 1.49 and has a lenticular structure, and its focal point is disposed on the cut-off line forming line of the light emitting surface 2 a. The design of biconvex lens structure can avoid the sunlight internal focusing, also makes convex lens 5 size less, optimizes the whole size of car light module.
The light emitted from the low beam light source propagates inside the low beam condenser 2, exits from the light exit surface 2a, and passes through the convex lens 5 and then irradiates forward to form a low beam shape of the vehicle lamp. The light emitted from the high beam light source 3 is reflected by the reflector 4, and the light is cut off by a line formed by a cut-off line of the light-emitting surface 2a of the low beam condenser 2, and then passes through the convex lens 5 and irradiates forward to form a high beam shape of the vehicle lamp. The connection and transition of the high beam and the low beam are better, the light shape is more uniform, and the chromaticity is better.

Claims (7)

1. The utility model provides a far and near integrative car light module of LED light source which characterized in that: the high-beam light source device comprises a low-beam light source, a low-beam condenser, a high-beam light source, a reflector and a convex lens, wherein the low-beam light source is arranged at an optical origin at the tail end of the low-beam condenser, a light outlet surface is arranged at the front end of the low-beam condenser, a cut-off line of the low-beam light is arranged on the light outlet surface to form a line, an aluminum-plated reflecting layer with the reflectivity more than or equal to 0.8 is arranged on the outer surface of the bottom side of the low-beam condenser, the convex lens is arranged in front of the light outlet surface, the high-beam light source and the reflector are arranged below the tail part of the low-beam condenser, the reflector comprises a plurality of ellipsoidal reflecting bowls, openings are arranged at the upper part and the front part of each ellipsoidal reflecting bowl, the high-beam light source is arranged at the first focus of each ellipsoidal reflecting bowl, the second focus of each reflecting bowl is arranged on the cut, and one part of light emitted by the high beam light source is reflected by the outer surface of the bottom side of the low beam condenser, the other part of the light is reflected by the reflector and then is cut off by a line formed by a cut-off line of the light-emitting surface of the low beam condenser, and then the light passes through the convex lens to form a high beam shape of the car lamp.
2. The LED light source high-beam and low-beam integrated automobile lamp module set according to claim 1, characterized in that: the number of the ellipsoidal reflecting bowls is equal to that of the high-beam light sources.
3. The LED light source high-beam and low-beam integrated automobile lamp module set according to claim 1, characterized in that: the number of the low beam light sources is more than or equal to 4, and the number of the high beam light sources is more than or equal to 2.
4. The LED light source high-beam and low-beam integrated automobile lamp module set according to claim 1, characterized in that: the inner surface of the ellipsoidal reflecting bowl is an aluminized reflecting layer with the reflectivity being more than or equal to 0.8.
5. The LED light source high-beam and low-beam integrated automobile lamp module set according to claim 1, characterized in that: the material of the low-beam condenser is transparent plastic.
6. The LED light source high-beam and low-beam integrated automobile lamp module set according to claim 1, characterized in that: the convex lens is a biconvex lens, and the material of the convex lens is glass or transparent plastic.
7. The LED light source high-beam and low-beam integrated automobile lamp module set according to claim 1, characterized in that: and the low beam light source and the high beam light source are both LED light sources.
CN201811213098.3A 2018-10-18 2018-10-18 LED light source high beam and low beam integrated car lamp module Active CN109058915B (en)

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CN109058915B true CN109058915B (en) 2021-06-01

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109373284A (en) * 2018-12-25 2019-02-22 马瑞利汽车零部件(芜湖)有限公司 Reflecting type highly effective exports distance light and integrates car light mould group optical system
CN109724044A (en) * 2019-02-25 2019-05-07 华域视觉科技(上海)有限公司 Car light condenser and car light mould group
CN109681843A (en) * 2019-02-26 2019-04-26 华域视觉科技(上海)有限公司 Car light mould group and the automobile for applying it
CN110067986A (en) * 2019-06-03 2019-07-30 华域视觉科技(上海)有限公司 Low beam reflector, the projection-type headlamp of distance-light one and vehicle
FR3119439B1 (en) * 2021-01-29 2023-02-10 Valeo Vision Motor vehicle road lighting device

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Publication number Priority date Publication date Assignee Title
JP4717696B2 (en) * 2006-04-20 2011-07-06 株式会社小糸製作所 Vehicle headlamp lamp unit
CN101298906B (en) * 2007-11-30 2010-09-08 上海小糸车灯有限公司 Automobile front shining lamp based on double-convex lens
JP6246007B2 (en) * 2014-02-05 2017-12-13 株式会社小糸製作所 Vehicle lighting
CN105570794B (en) * 2016-02-23 2018-02-06 上海小糸车灯有限公司 PES unit of the car light LED distance-lights one with ADB functions
CN106439672B (en) * 2016-08-17 2019-01-15 上海小糸车灯有限公司 A kind of LED light source car light mould group
CN106439682B (en) * 2016-09-30 2018-12-25 武汉通畅汽车电子照明有限公司 A kind of condenser for dipped beam car light mould group
CN106439689A (en) * 2016-10-31 2017-02-22 江苏洪昌科技股份有限公司 High beam and low beam integrated automobile LED headlamp optical system

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Effective date of registration: 20230810

Address after: 213139 Xiaohe Market Middle Road, Menghe Town, Xinbei District, Changzhou City, Jiangsu Province

Patentee after: Changzhou scenery vehicle accessories Co.,Ltd.

Address before: 509 Kangrui Times Square, Keyuan Business Building, 39 Huarong Road, Gaofeng Community, Dalang Street, Longhua District, Shenzhen, Guangdong Province, 518000

Patentee before: Shenzhen Litong Information Technology Co.,Ltd.

Effective date of registration: 20230810

Address after: 509 Kangrui Times Square, Keyuan Business Building, 39 Huarong Road, Gaofeng Community, Dalang Street, Longhua District, Shenzhen, Guangdong Province, 518000

Patentee after: Shenzhen Litong Information Technology Co.,Ltd.

Address before: 215500 Changshou City South Three Ring Road No. 99, Suzhou, Jiangsu

Patentee before: CHANGSHU INSTITUTE OF TECHNOLOGY

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