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CN108800056B - Optical structure of automobile signal lamp - Google Patents

Optical structure of automobile signal lamp Download PDF

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Publication number
CN108800056B
CN108800056B CN201810949134.6A CN201810949134A CN108800056B CN 108800056 B CN108800056 B CN 108800056B CN 201810949134 A CN201810949134 A CN 201810949134A CN 108800056 B CN108800056 B CN 108800056B
Authority
CN
China
Prior art keywords
light guide
light
light source
signal lamp
optical structure
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.)
Active
Application number
CN201810949134.6A
Other languages
Chinese (zh)
Other versions
CN108800056A (en
Inventor
贾震
胡尚斌
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.)
HASCO Vision Technology Co Ltd
Original Assignee
HASCO Vision Technology 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 HASCO Vision Technology Co Ltd filed Critical HASCO Vision Technology Co Ltd
Priority to CN201810949134.6A priority Critical patent/CN108800056B/en
Publication of CN108800056A publication Critical patent/CN108800056A/en
Application granted granted Critical
Publication of CN108800056B publication Critical patent/CN108800056B/en
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Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20Signalling 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
    • F21S43/235Light guides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20Signalling 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
    • F21S43/235Light guides
    • F21S43/236Light guides characterised by the shape of the light guide
    • F21S43/239Light guides characterised by the shape of the light guide plate-shaped
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20Signalling 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
    • F21S43/235Light guides
    • F21S43/236Light guides characterised by the shape of the light guide
    • F21S43/237Light guides characterised by the shape of the light guide rod-shaped
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20Signalling 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
    • F21S43/235Light guides
    • F21S43/242Light guides characterised by the emission area
    • F21S43/243Light guides characterised by the emission area emitting light from one or more of its extremities
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20Signalling 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
    • F21S43/235Light guides
    • F21S43/242Light guides characterised by the emission area
    • F21S43/245Light guides characterised by the emission area emitting light from one or more of its major surfaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20Signalling 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
    • F21S43/235Light guides
    • F21S43/247Light guides with a single light source being coupled into the light guide
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20Signalling 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
    • F21S43/235Light guides
    • F21S43/249Light guides with two or more light sources being coupled into the light guide
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

The invention relates to an optical structure of an automobile signal lamp, comprising: a light guide capable of being fixed on the vehicle body, wherein the end part of the light guide is at least provided with a light source, and the light source is a front light source; a group of a plurality of rear light sources which are sequentially arranged on the inner side of the light guide and can be sequentially lightened, wherein light rays emitted by the rear light sources are transmitted outwards from the light guide; a circuit controller that can control the front-end light source and the back-end light source. The invention adopts the same light guide through the cooperation of the optical structure, and can realize the switching function of uniformly lighting the luminous area and timing sequence lighting the luminous area; the combination of the daytime running light and the time sequence steering function of the automobile signal lamp is realized.

Description

Optical structure of automobile signal lamp
Technical Field
The invention relates to an optical structure of an automobile signal lamp, and belongs to the technical field of automobile lamps.
Background
The light guide type signal lamp is used as a part of the light guide structure, and the light emitting areas are connected, so that the whole light emitting area can be lightened when the light source is lightened by the traditional light guide incident end, and the time sequence lightening effect can not be realized by only electronically controlling the on-off of the light source at a certain incident end.
The turn signal lamp is used as a dynamic flashing effect, is an important indicator lamp which is started to prompt the attention of the vehicles and pedestrians in front, back, left and right when the motor vehicle turns, and can provide an attractive lighting effect and give consideration to the steering regulation through the sequential lighting effect. The existing signal lamp which adopts electronic control to realize the sequential lighting of the light sources generally adopts LEDs to directly light, the lighting effect is greatly affected, and the uniform lighting effect similar to that of a light guide cannot be presented.
Disclosure of Invention
The invention aims to combine the turn signal lamp of the vehicle with other signal lamps, and the same light guide is adopted through the cooperation of an optical structure, so that the switching function of uniformly lighting a lighting area and time sequence lighting the lighting area can be realized, the combination of the daytime running light and time sequence turn signal function of the automobile signal lamp is realized, meanwhile, the application of the automobile signal lamp can be expanded to the combination of the tail light, the brake light and the turn signal lamp functions of the tail light, and the combination effect of different light colors and different functions is realized.
The invention adopts the following technical scheme:
An optical structure of an automotive signal lamp comprising: a light guide A capable of being fixed on the vehicle body, wherein at least one light source is arranged at the end part of the light guide A, and the light source is a front light source C; a group of a plurality of rear light sources B which are sequentially arranged on the inner side of the light guide A and can be sequentially lightened, wherein light rays emitted by the rear light sources B are transmitted outwards from the light guide A; a circuit controller that can control the front-end light source C and the back-end light source B.
Further, the rear light source B corresponds to a turn signal light source, and the front light source C corresponds to a normally-on signal light.
Further, the rear light sources B are sequentially lighted singly or sequentially in a group until the whole rear light sources B are all lighted through the luminous area generated by the light guide A; and finally, the front-end light source C is lightened.
Furthermore, the non-legal check is directed to lighting functions such as a welcome mode, a breathing mode and the like, and the plurality of rear light sources can be controlled by the circuit module to realize various lighting modes, so that the lighting modes are not limited to lighting sequentially according to a certain sequence.
Further, the light guide a is fixed along the body shaping direction, and has two or more incident ends.
Further, the light emitted by the front-end light source C is guided in by the light guide a and is emitted from the molding normal.
Further, in the area between the rear light source B and the light guide a, a light guide body is provided adjacent to the rear light source B, and the light guide body redirects the light of the rear light source B by reflection or refraction so as to be transmitted out from the normal direction of the shape of the light guide a; the light guide is at a distance L from the light guide a.
Further, the light guide is combined with the light guide a as one piece.
Further, the light guide body and the light guide A are split into two parts.
Further, the outer diameter of the portion of the light guide body near the light guide A is reduced.
Further, the outer diameters of the light guide bodies in the irradiation direction of the rear light source B are the same.
The invention has the beneficial effects that:
1) The switching function of uniformly lighting the light-emitting area and the time sequence lighting the light-emitting area can be realized by adopting the same light guide through the cooperation of optical structures;
2) The combination of a daytime running light or a front position light and a time sequence steering function of the automobile signal lamp is realized; the automobile tail lamp can also be expanded to the tail lamp of a rear lamp, the combination of functions of a brake lamp and a steering lamp, or the combination of a rear position lamp and the steering lamp, so that the combination effect of different light colors and different functions is realized;
3) The turn signal lamp is used as a dynamic flashing effect, is an important indicator lamp which is started to prompt the attention of the vehicles and pedestrians in front, back, left and right when the motor vehicle turns, and can provide an attractive lighting effect and give consideration to the steering regulation through the sequential lighting effect.
Under the condition of non-legal function examination, various lighting effects such as a gradually-bright and gradually-dark breathing effect, a skip piano key lighting effect and the like can be realized.
4) The light guide is used for realizing time sequence lighting, so that the lighting effect is better than the existing mode of directly adopting LEDs;
5) The light guide body is adopted, and the light guide body and the light guide can be combined into one part selectively, so that the light guide effect is improved, the assembly of product components is simplified, and the reliability of the product structure is improved.
Drawings
Fig. 1 is a schematic structural view of an optical structure of an automotive signal lamp of the present invention.
Fig. 2 is a schematic cross-sectional view of an optical structure of an automotive signal lamp in the first embodiment.
Fig. 3 is a schematic cross-sectional view of the optical structure of the automotive signal lamp in the second embodiment.
Fig. 4 is a schematic longitudinal section of the optical structure of the automotive signal lamp in the first embodiment.
Fig. 5 is a schematic longitudinal section of the optical structure of the automotive signal lamp in the second embodiment.
Fig. 6 is a schematic longitudinal section of the optical structure of the automotive signal lamp in the third embodiment.
In the figure, 1. First end of the light guide, 2. Second end of the light guide, a. Light guide, b. Rear light source, c. Front light source.
Detailed Description
The invention will be further described with reference to the drawings and specific examples.
Embodiment one:
referring to fig. 1, 2 and 4, an optical structure of an automotive signal lamp comprises: a light guide A capable of being fixed on the vehicle body, wherein at least one light source is arranged at the end part of the light guide A, and the light source is a front light source C; a group of a plurality of rear light sources B which are sequentially arranged on the inner side of the light guide A and can be sequentially lightened, wherein light rays emitted by the rear light sources B are transmitted outwards from the light guide A; a circuit controller that can control the front-end light source C and the back-end light source B.
In this embodiment, referring to fig. 1 and 2, the rear light source B corresponds to a turn signal light, and the front light source C corresponds to a normally-on signal light. In addition, the rear light source is not limited to the turn signal lamp, and any color signal lamp can be used, so that the purpose is to realize the lighting effect such as multi-light source combination time sequence or jump and the like, and realize the effect and control of the circuit module.
In this embodiment, referring to fig. 1 and 2, the rear light sources B are sequentially lighted individually or in a group of sequentially, until the entire rear light sources B are lighted up through the light emitting area generated by the light guide a; and finally, the front-end light source C is lightened.
In this embodiment, referring to fig. 1, the light guide a is fixed along the body shaping direction, and has two entrance ends, a first end 1 of the light guide and a second end 2 of the light guide, respectively.
In this embodiment, referring to fig. 4, light from front-end light source C is directed into and out of the molding normal by light guide a.
Embodiment two:
This embodiment differs from the first embodiment in that, referring to fig. 1,3 and 5, a region between the rear light source B and the light guide a, a light guide body is provided adjacent to the rear light source B, and the light guide body redirects light of the rear light source B from a normal direction of the shape of the light guide a by reflection or refraction; the light guides are spaced apart from the light guide a by a distance L (as shown in fig. 5).
The size of the interval L can be adjusted to a certain extent according to the actual situation, the lighting uniformity and the light effect.
In this embodiment, the light guide and the light guide a may be combined into one piece, or may be split into two pieces, which are not shown in the drawings.
In this embodiment, referring to fig. 5, the light guide is reduced between the outer diameters of the portions of the light guide adjacent to the light guide a, so that the light emitted from the light guide passes through the light guide a.
The remainder of the protocol is the same as the examples.
Embodiment III:
The present embodiment is different from the second embodiment in that:
referring to fig. 6, the outer diameters of the light guides in the irradiation direction of the rear light source B are the same.
The rest of the scheme is the same as the second embodiment.
Through the optical structure coordination of the invention, the switching function of uniformly lighting the lighting area and time sequence lighting the lighting area can be realized, the combination of the daytime running light and time sequence turning function of the automobile signal lamp can be realized, and meanwhile, the application of the automobile signal lamp can be expanded to the combination of the functions of the tail light, the brake light and the turning light of the rear light. Realize the compound effect of different light colors and different functions. The light guide structure is mainly a traditional light guide and is suitable for various anisotropic light guides, and the light guide structure has the function of guiding light from the front end light source at the end side along the normal direction of the extending direction of the modeling. Meanwhile, the rear-end light sources can be sequentially lighted in a segmented mode, the colors of the rear-end light sources are different from those of the front-end light sources, and the segmented lighting effect is determined by the lighting effect of the rear-end light sources, but the realization of the effect is not influenced. The back-end light source can realize the dynamic lighting effect of the back-end light source through a time sequence lighting mode by the circuit module.
The foregoing is a description of three alternative embodiments of the invention, and those skilled in the art may make various changes and modifications thereto without departing from the general inventive concept, which changes and modifications are intended to be included within the scope of the invention as defined in the appended claims.

Claims (7)

1. An optical structure for an automotive signal lamp, comprising:
A light guide (A) which can be fixed on the vehicle body, wherein the end part of the light guide (A) is at least provided with a light source which is a front light source (C);
A group of a plurality of rear light sources (B) which are sequentially arranged on the inner side of the light guide (A) and can be sequentially lightened, wherein light rays emitted by the rear light sources (B) are transmitted outwards from the light guide (A);
A circuit controller that can control the front light source (C) and the rear light source (B);
the rear light sources (B) are sequentially lighted singly or sequentially in a group until the whole rear light sources (B) are all lighted through the luminous area generated by the light guide (A); finally, the front light source (C) is lightened;
The rear light source (B) corresponds to a turn signal light source, and the front light source (C) corresponds to a normally-on signal lamp;
A region between the rear light source (B) and the light guide (A), a light guide body being arranged next to the rear light source (B) and redirecting the light of the rear light source (B) by reflection or refraction so that it propagates away from the normal direction of the shaping of the light guide (A); the light guide body is at a distance L from the light guide (A); the size of the interval L can be adjusted to a certain extent according to the actual situation, the lighting uniformity and the light effect.
2. The optical structure of an automotive signal lamp of claim 1, wherein: the light guide (A) is fixed along the body shaping direction and has two or more incident ends.
3. The optical structure of an automotive signal lamp of claim 1, wherein: light from the front light source (C) is guided in by the light guide (A) and is guided out of the molding direction.
4. The optical structure of an automotive signal lamp of claim 1, wherein: the light guide is combined with the light guide (A) as one piece.
5. The optical structure of an automotive signal lamp of claim 1, wherein: the light guide body and the light guide (A) are split into two parts.
6. The optical structure of an automotive signal lamp of claim 1, wherein: the outer diameter of the portion of the light guide body near the light guide (A) is reduced.
7. The optical structure of an automotive signal lamp of claim 1, wherein: the outer diameters of the light guide bodies in the irradiation direction of the rear light source (B) are the same.
CN201810949134.6A 2018-08-20 2018-08-20 Optical structure of automobile signal lamp Active CN108800056B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810949134.6A CN108800056B (en) 2018-08-20 2018-08-20 Optical structure of automobile signal lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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CN108800056B true CN108800056B (en) 2024-07-09

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CN112460553B (en) * 2019-09-06 2025-11-28 华域视觉科技(上海)有限公司 Automobile signal lamp and automobile

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