CN113685772A - Thick-walled part optical system for automobile lighting - Google Patents

Thick-walled part optical system for automobile lighting Download PDF

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Publication number
CN113685772A
CN113685772A CN202010422662.3A CN202010422662A CN113685772A CN 113685772 A CN113685772 A CN 113685772A CN 202010422662 A CN202010422662 A CN 202010422662A CN 113685772 A CN113685772 A CN 113685772A
Authority
CN
China
Prior art keywords
thick
light
condenser
wall part
optical system
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.)
Pending
Application number
CN202010422662.3A
Other languages
Chinese (zh)
Inventor
郭克芹
张颖
巫旦
范供齐
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.)
Changzhou Xingyu Automotive Lighting Systems Co Ltd
Original Assignee
Changzhou Xingyu Automotive Lighting Systems 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
Application filed by Changzhou Xingyu Automotive Lighting Systems Co Ltd filed Critical Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority to CN202010422662.3A priority Critical patent/CN113685772A/en
Publication of CN113685772A publication Critical patent/CN113685772A/en
Pending legal-status Critical Current

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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
    • 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
    • F21S41/24—Light guides
    • 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
    • F21S41/27—Thick lenses
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • 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 a thick-walled part optical system for automobile illumination, which comprises a condenser refraction surface, a thick-walled part light-emitting surface and a thick-walled part light guide, wherein the condenser refraction surface is provided with a plurality of light sources; one side of the light guide of the thick-wall part is connected with the refraction surface of the condenser through the thick-wall part connecting structure; the other side of the thick-wall part light guide is a thick-wall part light-emitting surface; the refracting surface of the condenser is set to have a large-angle diffusion effect structure, and meanwhile, the diffusion structure is added on the refracting surface, and the refracting surface is connected together through a thick-wall piece connecting structure in a close packing mode, so that light can be diffused, and all the condensers are connected together. The light emitted by the LED is diffused to the central light intensity by the corresponding condenser and diffused to the edge light by the peripheral condenser, so that the light distribution in the whole space is more uniform, the space required by a thick-wall part is small, and a good diffusion effect can be achieved. In addition, because the light emitted by the LED is transmitted in the whole thick-wall part system, the whole optical system has higher latitude on the position of the LED.

Description

Thick-walled part optical system for automobile lighting
Technical Field
The invention relates to an optical system structure applied to an automobile lamp, and belongs to the technical field of automobile illumination.
Background
Along with the rapid development of automobile lamp technology, the whole automobile customer has higher and higher requirements on the attractive appearance of the automobile lamp, the diversified and miniaturized requirements of the automobile lamp are more and more urgent, and the LED has small light-emitting area, high light energy utilization rate and good design freedom and is more and more universal in application to the automobile lamp. With the stricter requirement of the lamp shape on the beauty, the limitation of the light distribution space is more and more obvious, and how to realize uniform lighting in the limited space is more and more urgent.
Along with the restriction of the lamp on tight clusters and space, the design diversity of the LED lamp is more and more, wherein the combination mode of the LED and the thick-wall part realizes the multi-window effect, the efficiency is high, and the LED lamp becomes one of the common realization modes. The conventional condenser has obvious granular sensation during lighting, and cannot realize the overall uniform lighting effect of the light-emitting surface. And the shallower the depth of the thick-wall part is, the more obvious the granular sensation is, and the design of the lamp is often limited by the modeling space and cannot reach a certain depth. And the condenser has high requirement on the positioning accuracy of the LED, has slight deviation and has more obvious lightening dark areas.
In view of the above problems, the present invention realizes a uniform lighting structure of a shallow-depth thick-walled member by redesigning an optical surface, so as to solve the above problems and meet the customer requirements of the entire vehicle.
Disclosure of Invention
Objects of the invention
The invention aims to provide an optical system for a thick-walled part for a vehicle, which solves the problem of uneven lighting of a shallow-depth direct-injection type thick-walled part.
The technical scheme adopted by the invention
The invention discloses a thick-walled part optical system for automobile illumination, which comprises a condenser refraction surface, a thick-walled part light-emitting surface and a thick-walled part light guide, wherein the condenser refraction surface is provided with a plurality of light sources; one side of the light guide of the thick-wall part is connected with the refraction surface of the condenser through the thick-wall part connecting structure; the other side of the thick-wall part light guide is a thick-wall part light-emitting surface; the refracting surface of the condenser is set to have a large-angle diffusion effect structure, and meanwhile, the diffusion structure is added on the refracting surface, and the refracting surface is connected together through a thick-wall piece connecting structure in a close packing mode, so that light can be diffused, and all the condensers are connected together.
Furthermore, the refracting surface of the condenser is provided with a diffusion structure, and the depth of the diffusion structure is different.
Further, the diffusion structure is a stripe structure, a corn kernel structure, or a skin stripe. The structure of the light direction can be changed to achieve the purpose of light diffusion.
Furthermore, the distance between the LED and the upper surface of the thick-wall part is small, and the diffusion structure is the corn grain patterns, so that when light source light passes through the refraction surface of the condenser, the light is diffused through the corn grain patterns and then is refracted to a required angle from the light-emitting surface patterns. The diffusion angle of light can be effectively controlled by adjusting the size of the patterns of the corn kernels and the diffusion angle.
Furthermore, the distance between the LED and the upper surface of the thick-wall part is large, the closely packed condenser refraction surface only needs to be refracted, other diffusion structures do not need to be added, light source rays are refracted by the condenser refraction surface and then are refracted to a required angle from the light-emitting surface patterns, and the uniform lighting effect can be achieved.
Furthermore, the distance between the PCB and the light emergent surface of the thick-wall part is more than 7mm, so that the thick-wall part has enough length for light transmission.
Furthermore, the condenser among multiple windows shares a condenser structure through the bottom, and multiple windows or functions share one part.
The invention has the advantages of
(1) The light emitted by the LED is diffused to the central light intensity by the corresponding condenser and diffused to the edge light by the peripheral condenser, so that the light distribution in the whole space is more uniform, the space required by a thick-wall part is small, and a good diffusion effect can be achieved. In addition, because the light emitted by the LED is transmitted in the whole thick-wall part system, the whole optical system has higher latitude on the position of the LED.
(2) The light-emitting structure condenser is diffused, the surface of the light-emitting structure condenser is also provided with diffusion patterns, and the shielding structure is cancelled between the adjacent condensers, so that the bright part of the light in the center of the LED can be diffused, the light can be diffused among the condensers, and then the light is transmitted through the thick-wall part, and the uniform lighting effect is obtained.
(3) The diffusion structure on the surface of the condenser can be a stripe structure, a corn grain structure or a skin stripe structure and other structures capable of changing the light direction so as to achieve the purpose of light diffusion.
(4) The condenser among the multiple windows can realize that a plurality of windows or functions share one part through the structure of sharing the condenser at the bottom.
Drawings
FIG. 1 is a cross-sectional view of a conventional direct-lit concentrator light-emitting structure;
FIG. 2 is a schematic cross-sectional view of a thick-walled article according to the present invention
FIG. 3 is an isometric view of the present invention;
FIG. 4 is a schematic view of a light collector without diffusing patterns at the bottom of a thick-walled part;
fig. 5 is a light guide structure without a thick-walled member on the upper portion of the thick-walled member.
1. A thick-walled member; 2, PCB board; 3, LED model; 11. a condenser refracting surface; 12. a light emitting surface of the thick-walled member; 13. a thick-walled member connection structure; 14. a thick-walled member fixing structure; 15. a thick-walled piece light guide.
Detailed Description
The technical solutions in the examples of the present invention are clearly and completely described below with reference to the drawings in the examples of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
The invention provides an optical system of a thick-wall part for a vehicle. The light emitting structure condenser is diffused, diffusion patterns are also formed on the surface of the light emitting structure condenser, and a shielding structure is omitted between adjacent light collectors, so that light rays in the center of the LED can be diffused, the light rays can be mixed among the light collectors, and then the light rays are transmitted through the thick-wall part, and a uniform lighting effect is achieved.
Examples
A thick-walled part optical system for automobile illumination comprises an LED circuit board, an LED light source, a diffusion structure, light-emitting surface patterns of the thick-walled part and a connecting structure. As shown in fig. 1, the light of the conventional thick-walled member 1 passes through the inner surface of the condenser to generate parallel light, and then is diffused by the patterns on the light emitting surface, so that the light is turned on with granular sensation. And the shallower the thickness of the thick-walled member, the more pronounced the graininess. In order to obtain a uniform effect for the light-emitting surface 12 of the thick-wall part and a uniform light-emitting effect under the thin-wall part, the refracting surface 11 of the condenser is set to have a large-angle diffusion effect structure, meanwhile, a diffusion structure is added on the refracting surface to enable light to be diffused, and the condensers are connected together to enable light to be diffused among different condensers, so that the light is further diffused, and the purpose of uniform light-emitting surface is achieved.
As shown in fig. 2 and 3, in this embodiment, the thick-walled component structure for automotive lighting is composed of a light collector refraction surface 11, a thick-walled component light-emitting surface 12, a thick-walled component connection structure 13, and a thick-walled component light guide 15. The light-emitting surface windows correspond to the number of the light guides of the thick-wall parts, and the refracting surfaces 11 of the condenser are connected together through the thick-wall part connecting structure 13 in a close packing mode, so that multiple windows share one part, and the cost can be saved. The distance between the LED and the upper surface of the thick-wall part is small, and the refraction surface 11 of the condenser is added with corn grain patterns, so that when light source rays pass through the refraction surface of the condenser, the corn grain patterns are diffused, and then the light source rays are refracted to a required angle from the light-emitting surface patterns. The diffusion angle of light can be effectively controlled by adjusting the size of the patterns of the corn kernels and the diffusion angle.
As shown in fig. 4, in this embodiment, the thick-walled component structure for automotive lighting is composed of a light collector refraction surface 11, a thick-walled component light-emitting surface 12, a thick-walled component connection structure 13 and a thick-walled component light guide 15. The distance between the LED and the upper surface of the thick-wall part is large, the closely packed condenser refraction surface 11 only needs to be refracted, other diffusion structures are not needed, light source rays are refracted by the condenser refraction surface and then are refracted to a required angle from the light-emitting surface patterns, and the uniform lighting effect can be achieved.
As shown in fig. 3, in this embodiment, the thick-walled component structure for automotive lighting is composed of a light condenser refraction surface 11, a thick-walled component light-emitting surface 12 and a thick-walled component connection structure 13. The thick-walled member light guide 15 is removed, and the thick-walled member connecting structure 13 is made into a plane, as shown in fig. 5, a plurality of texture structures for increasing diffusion effects, such as dermatoglyphs, vertical stripes, corn grain patterns and the like, can be added on the plane of the thick-walled member connecting structure, so that the light-emitting surface can obtain a uniform lighting effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. A kind of car lights with the optical system of the thick-walled part, characterized by that: comprises a condenser refraction surface (11), a thick-wall light-emitting surface (12) and a thick-wall light guide (15); one surface of the thick-wall part light guide (15) is connected with the refracting surface (11) of the condenser through a thick-wall part connecting structure (13); the other side of the thick-wall part light guide (15) is a thick-wall part light-emitting surface (12), and light-emitting patterns are arranged on the surface of the light-emitting surface (12) and have the function of deflecting light rays; the condenser refraction surface (11) is arranged to be a structure with a large-angle diffusion effect, meanwhile, a diffusion structure is added on the condenser refraction surface, the condenser refraction surface and the diffusion structure are connected together through a thick-wall piece connecting structure (13) in a close packing mode, light can be diffused, and all condensers are connected together.
2. The optical system of a thick-walled member for automobile lighting according to claim 1, characterized in that: the condenser refraction surface (11) is provided with a diffusion structure, and the depth of the diffusion structure is different.
3. The optical system of a thick-walled member for automobile lighting according to claim 2, characterized in that: the diffusion structure is a stripe structure, a corn kernel structure or a skin stripe.
4. The optical system of a thick-walled member for automobile lighting according to claim 3, characterized in that: the diffusion structure is the corn grain patterns, so that when light source rays pass through the refracting surface of the condenser, the light source rays are diffused through the corn grain patterns and are refracted to a required angle from the light-emitting surface patterns.
5. The optical system of a thick-walled member for automobile lighting according to claim 1, characterized in that: the light source light is refracted by the condenser refraction surface (11) and then refracted to a required angle from the light-emitting surface patterns.
6. The optical system of a thick-walled member for automobile lighting according to claim 1, characterized in that: the distance between the PCB and the light-emitting surface (12) of the thick-wall part is more than 7mm, so that the thick-wall part has enough length to transmit light.
7. The optical system of a thick-walled member for automobile lighting according to claim 1, characterized in that: the condenser among the multiple windows shares a condenser structure through the bottom, and the multiple windows or functions share one part.
CN202010422662.3A 2020-05-19 2020-05-19 Thick-walled part optical system for automobile lighting Pending CN113685772A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010422662.3A CN113685772A (en) 2020-05-19 2020-05-19 Thick-walled part optical system for automobile lighting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010422662.3A CN113685772A (en) 2020-05-19 2020-05-19 Thick-walled part optical system for automobile lighting

Publications (1)

Publication Number Publication Date
CN113685772A true CN113685772A (en) 2021-11-23

Family

ID=78575715

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010422662.3A Pending CN113685772A (en) 2020-05-19 2020-05-19 Thick-walled part optical system for automobile lighting

Country Status (1)

Country Link
CN (1) CN113685772A (en)

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