CN114811518A - Vehicle thick-walled part optical system with cloud point effect and application - Google Patents

Vehicle thick-walled part optical system with cloud point effect and application Download PDF

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Publication number
CN114811518A
CN114811518A CN202110666627.0A CN202110666627A CN114811518A CN 114811518 A CN114811518 A CN 114811518A CN 202110666627 A CN202110666627 A CN 202110666627A CN 114811518 A CN114811518 A CN 114811518A
Authority
CN
China
Prior art keywords
thick
light
optical system
walled part
walled
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
CN202110666627.0A
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Chinese (zh)
Inventor
丁俊伟
范先杰
王兴
钟华
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.)
Lingwei Vision Intelligent Technology Ningbo Co ltd
Original Assignee
Lingwei Vision Intelligent Technology Ningbo 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 Lingwei Vision Intelligent Technology Ningbo Co ltd filed Critical Lingwei Vision Intelligent Technology Ningbo Co ltd
Priority to CN202110666627.0A priority Critical patent/CN114811518A/en
Publication of CN114811518A publication Critical patent/CN114811518A/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
    • 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
    • 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
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—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
    • 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
    • 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
    • F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
    • 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
    • F21S43/247—Light guides with a single light source being coupled into the light guide
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • 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 provides a vehicle thick-walled part optical system with a cloud point effect, which comprises an LED light source, a thick-walled part collimation structure, a thick-walled part total reflection structure, a thick-walled part light-emitting surface, a thin-walled part light-emitting surface and a thin-walled part optical microstructure unit. According to the invention, through the optical system combining the condenser and the transparent thick wall, the light can be effectively controlled by utilizing the total reflection principle, so that the light of the LED can be efficiently and uniformly coupled into the light guide plate for propagation, the lighting effect of cloud points and patterns can be realized by a single light source, and the cost is greatly saved.

Description

Vehicle thick-walled part optical system with cloud point effect and application
Technical Field
The invention relates to the field of vehicle thick-wall part illumination, in particular to a vehicle thick-wall part optical system with cloud point effect and application thereof.
Background
With the economic development and social progress, consumers nowadays not only meet the simple functional requirements of the car lamp, but also expect the car lamp to have a beautiful shape, so that a design scheme that the LED light source is matched with a light guide or a thick-wall part to realize the function of a signal lamp is promoted. Meanwhile, in order to pursue individuation and differentiation of the car lamp, various special lighting effects are applied to the car lamp shape more and more frequently, such as a cloud point effect, a light curtain effect and the like. Most of the existing LED signal lamp optical systems only have a single lighting effect, such as a pattern lighting effect, a cloud point effect and a light curtain effect. Still some prior art adopt two light sources to realize two kinds of functions, but this kind of scheme can cause because the defocus problem such as the illuminating effect is poor, the light efficiency is low, and the heat dispersion of system also can be influenced to this kind of two light sources short distance simultaneously, has increased the cost indirectly.
Disclosure of Invention
In order to solve the problems mentioned above, the invention provides an optical system with cloud point effect for a thick-wall part for a vehicle and application thereof.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the invention provides a vehicle thick-wall part optical system with cloud point effect, which comprises an LED light source, a thick-wall part collimation structure, a thick-wall part total reflection structure and a light-emitting surface which are connected in sequence.
As a preferred technical solution, the light emitting surface includes a thick-walled light emitting surface and a thin-walled light emitting surface.
As a preferred technical scheme, the light-emitting surface of the thick-wall part is arranged at the rear side of the total reflection structure of the thick-wall part, and the light-emitting surface of the thin-wall part is positioned at the rear side of the light-emitting surface of the thick-wall part.
As a preferred technical scheme, the light-emitting surface of the thick-wall part is provided with diffusion patterns, and the light-emitting surface of the thin-wall part is provided with the diffusion patterns.
As a preferable technical scheme, the total reflection structure of the thick-wall part comprises a structure A, a structure B and a structure C which are sequentially connected, and two ends of the structure C are connected with a structure D and a structure E which are parallel to each other.
As a preferred technical solution, the light emitting surface of the thick-walled component includes an upper portion and a lower portion respectively disposed at the tail ends of the structure D and the structure E.
As an optimal technical scheme, an included angle between the structure C and the structure D is 115-135 degrees, and an included angle between the structure C and the structure E is 45-65 degrees.
As a preferred technical solution, the LED light source is located at a focal point of a condenser of the thick-walled member collimation structure, and the thick-walled member total reflection structure is located at a rear side of the thick-walled member collimation structure.
As a preferred technical solution, the LED light source is a single light source, and the LED light source may be one of amber, red and white.
As a preferred technical solution, the optical system further includes a thin-walled optical microstructure unit.
As a preferred technical solution, the optical microstructure unit of the thin-walled part is located at the lower side of the light-emitting surface of the thin-walled part.
Collimated light rays emitted from the light-emitting surface of the thick-wall part are coupled into the thin-wall part, the upper part of the collimated light rays are guided out through the light-emitting surface of the thin-wall part, and the lower part of the collimated light rays are guided out through the optical microstructure unit of the thin-wall part.
The light led out from the light-emitting surface of the thin-wall part realizes a pattern effect, and the light led out from the optical microstructure unit of the thin-wall part realizes a cloud point effect.
As a preferred technical scheme, the end part of the thick-wall part collimation structure close to the LED light source 1 is arc-shaped, light emitted by the LED light source is firstly collected and collimated by the thick-wall part collimation structure, and light passing through the thick-wall part total reflection structure is spread in a bifurcated manner to become collimated light which is separately transmitted forward in the up-down direction.
Another aspect of the present invention provides an application of the optical system with cloud point effect for thick-walled vehicle in the lighting of the vehicle lamp.
Has the advantages that:
(1) according to the invention, through the optical system combining the condenser and the transparent thick wall, the light can be effectively controlled by utilizing the total reflection principle, the light bifurcation propagation is realized, and the light is collimated light which is transmitted forwards in a manner of being divided from top to bottom, so that the light of the LED is coupled into the light guide plate more efficiently and uniformly for propagation;
(2) the lighting effects of cloud points and patterns are realized by combining an optical system consisting of a special optical structure through a single group of light sources; greatly saving the cost and simultaneously avoiding the problem of multiple light sources defocusing.
Drawings
FIG. 1 is a schematic diagram of the structure of an optical system of the present invention;
FIG. 2 is an optical diagram of the optical system of the present invention;
FIG. 3 is a diagram of the lighting effect of the object according to the present invention;
fig. 4 shows the results of the optical system of the present invention tested according to the GB17509-2008 standard.
Wherein: an LED light source; 2. a thick-walled member alignment structure; 3. a thick-walled member total reflection structure; 301. structure A; 302. structure B; 303. structure C; 4. a light emitting surface of the thick-walled member; 401. structure D; 402. structure E; 5. a light-emitting surface of the thin-wall part; 6. a thin-walled optical microstructure unit; 7. and a light-emitting surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments 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 obtained by a person skilled in the art based on the embodiments of the present invention without any creative effort, fall within the protection scope of the present invention.
As shown in fig. 1-3, in one aspect, the present invention provides an optical system with cloud point effect for a thick-walled part used in a vehicle, including an LED light source 1, a thick-walled part collimating structure 2, a thick-walled part total reflection structure 3, and a light emitting surface 7, which are connected in sequence.
In a preferred embodiment, the light exit surface 7 includes a thick-walled light exit surface 4 and a thin-walled light exit surface 5.
In a preferred embodiment, the thick-walled light emitting surface 4 is disposed at the rear side of the thick-walled total reflection structure 3, and the thin-walled light emitting surface 5 is located at the rear side of the thick-walled light emitting surface 4.
In a preferred embodiment, the light-emitting surface 4 of the thick-walled part is provided with a diffusion pattern, and the light-emitting surface 5 of the thin-walled part is provided with a diffusion pattern.
In a preferred embodiment, the thick-wall member total reflection structure 3 comprises a structure a 301, a structure B302 and a structure C303, and two ends of the structure C303 are connected with a structure D401 and a structure E402 which are parallel to each other.
In a preferred embodiment, the light emitting surface 4 of the thick-walled member includes two upper and lower portions respectively disposed at the tail ends of the structure D401 and the structure E402.
In a preferred embodiment, the included angle between the structure C303 and the structure D401 is 115-135 degrees, and the included angle between the structure C303 and the structure E402 is 45-65 degrees.
Preferably, the included angle between the structure C303 and the structure D401 is 120 °, and the included angle between the structure C303 and the structure E402 is 60 °.
In a preferred embodiment, the LED light source 1 is located at the condenser focal point of the thick-walled member collimating structure 2, and the thick-walled member total reflecting structure 3 is located at the rear side of the thick-walled member collimating structure 2.
In a preferred embodiment, the LED light source 1 is a single light source, and the color of the LED light source 1 may be amber, red, and white, and when the color is amber, the function of a turn signal may be implemented, when the color is red, the function of a tail lamp position lamp and a tail lamp stop lamp may be implemented, and when the color is white, the function of a daytime running lamp, a front position lamp, and a back-up lamp may be implemented.
In a preferred embodiment, the optical system further comprises a thin-walled optical microstructure unit 6.
In a preferred embodiment, the optical microstructure unit 6 of the thin-walled part is located on the lower side of the light-emitting surface 5 of the thin-walled part.
In a preferred embodiment, the end of the thick-walled member collimating structure 2 close to the LED light source 1 is arc-shaped, the light emitted from the LED light source 1 is firstly collected and collimated by the thick-walled member collimating structure 2, and the light passing through the thick-walled member total reflecting structure 3 is spread in a branched manner to become collimated light which is transmitted forward separately in the up-down direction, so that more uniform light transmission can be realized.
In a preferred embodiment, the angle of the total reflection surface of the total reflection structure 3 of the thick-wall member can be designed into various angles according to the factory-made requirement of a host computer, and can be suitable for various complex modeling structures.
Collimated light emitted from the light-emitting surface 4 of the thick-wall part is coupled into the thin-wall part, the upper part of the collimated light is guided out through the light-emitting surface 5 of the thin-wall part, and the lower part of the collimated light is guided out through the optical microstructure unit 6 of the thin-wall part.
The light led out from the light-emitting surface 5 of the thin-wall part realizes a pattern effect, and the light led out from the optical microstructure unit 6 of the thin-wall part realizes a cloud point effect.
The working principle is as follows: as shown in fig. 1 and 2, light emitted by the LED light source 1 is firstly collected and collimated by the collimating structure 2 of the thick-walled component, and is totally reflected by the total reflecting structure 3 of the thick-walled component, so that the reflected light is horizontally transmitted, and then a part of the light is diverged and transmitted by the total reflecting structure 3 of the thick-walled component again, and becomes collimated light which is separately transmitted forward in the up-down direction, and is emitted out through the light emitting surface 4 of the thick-walled component; the collimating light rays are coupled into the thin-wall part, the collimating light rays at the upper part are led out through the pattern outlet surface 5 of the thin-wall part to form a pattern lighting effect, and the light rays at the lower part are led out through the optical micro-structural unit 6 on the thin-wall part to form a cloud point effect.
The invention effectively controls the light by the optical system combining the condenser and the transparent thick wall and utilizing the total reflection principle, so that the light of the LED can be efficiently and uniformly coupled into the light guide plate for propagation, and two lighting effects of cloud points and patterns are realized by the optical system of a single light source and the condenser, thereby greatly saving the cost and avoiding the defocusing phenomenon generated by multiple light sources.
The invention also provides application of the optical system with cloud point effect for the thick-wall part for the automobile in automobile lamp illumination.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. The vehicle thick-wall part optical system with the cloud point effect is characterized by comprising an LED light source (1), a thick-wall part collimation structure (2), a thick-wall part total reflection structure (3) and a light emitting surface (7) which are sequentially connected.
2. The optical system with cloud point effect for the thick-walled parts for the vehicle of claim 1, wherein the light emitting surface (7) comprises a light emitting surface (4) of the thick-walled part and a light emitting surface (5) of the thin-walled part.
3. The optical system with the cloud point effect for the thick-walled part of the vehicle as claimed in claim 2, wherein the light-emitting surface (4) of the thick-walled part is provided with a diffusion pattern, and the light-emitting surface (5) of the thin-walled part is provided with a diffusion pattern.
4. The vehicular thick-wall optical system with cloud point effect according to claim 1, wherein the thick-wall total reflection structure (3) comprises a structure A (301), a structure B (302) and a structure C (303) which are connected in sequence, and two ends of the structure C (303) are connected with a structure D (401) and a structure E (402) which are parallel to each other.
5. The optical system with the cloud point effect for the thick-walled part of claim 3, wherein the light emitting surface (4) of the thick-walled part comprises an upper part and a lower part which are respectively arranged at the tail ends of the structure D (401) and the structure E (402).
6. The vehicle thick-wall optical system with the cloud point effect as claimed in claim 5, wherein an included angle between the structure C (303) and the structure D (401) is 115-135 degrees, and an included angle between the structure C (303) and the structure E (402) is 45-65 degrees.
7. The optical system of claim 1, wherein the LED light source (1) is a single light source, and the LED light source (1) is one of amber, red and white.
8. The vehicle thick-walled part optical system with the cloud point effect as claimed in claim 1, wherein the optical system further comprises a thin-walled part optical microstructure unit (6), and the thin-walled part optical microstructure unit (6) is located on the lower side of the light-emitting surface (5) of the thin-walled part.
9. The vehicle thick-walled part optical system with cloud point effect as claimed in claim 1, wherein the end of the thick-walled part collimating structure (2) close to the LED light source (1) is arc-shaped.
10. Use of a vehicle thick-walled component optical system with cloud point effect according to any of claims 1-9 in automotive lamp illumination.
CN202110666627.0A 2021-06-16 2021-06-16 Vehicle thick-walled part optical system with cloud point effect and application Pending CN114811518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110666627.0A CN114811518A (en) 2021-06-16 2021-06-16 Vehicle thick-walled part optical system with cloud point effect and application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110666627.0A CN114811518A (en) 2021-06-16 2021-06-16 Vehicle thick-walled part optical system with cloud point effect and application

Publications (1)

Publication Number Publication Date
CN114811518A true CN114811518A (en) 2022-07-29

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CN202110666627.0A Pending CN114811518A (en) 2021-06-16 2021-06-16 Vehicle thick-walled part optical system with cloud point effect and application

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160195234A1 (en) * 2015-01-07 2016-07-07 Varroc Lighting Systems, s.r.o. Signal lamp
JP2017010840A (en) * 2015-06-24 2017-01-12 株式会社小糸製作所 Vehicular lighting fixture
CN208846345U (en) * 2018-10-28 2019-05-10 迅驰车业江苏有限公司 A kind of condenser optics system of the car light with light curtain effect
CN210771927U (en) * 2019-10-15 2020-06-16 华域视觉科技(上海)有限公司 Car light total reflection optical system
CN211176641U (en) * 2019-12-25 2020-08-04 浙江嘉利（丽水）工业股份有限公司 Special-shaped thick-wall part for automobile steering lamp
CN111928200A (en) * 2020-08-27 2020-11-13 恒大新能源汽车投资控股集团有限公司 Optical system of thick-wall part and car lamp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160195234A1 (en) * 2015-01-07 2016-07-07 Varroc Lighting Systems, s.r.o. Signal lamp
JP2017010840A (en) * 2015-06-24 2017-01-12 株式会社小糸製作所 Vehicular lighting fixture
CN208846345U (en) * 2018-10-28 2019-05-10 迅驰车业江苏有限公司 A kind of condenser optics system of the car light with light curtain effect
CN210771927U (en) * 2019-10-15 2020-06-16 华域视觉科技(上海)有限公司 Car light total reflection optical system
CN211176641U (en) * 2019-12-25 2020-08-04 浙江嘉利（丽水）工业股份有限公司 Special-shaped thick-wall part for automobile steering lamp
CN111928200A (en) * 2020-08-27 2020-11-13 恒大新能源汽车投资控股集团有限公司 Optical system of thick-wall part and car lamp

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