CN111197726A - Total reflection type thick-wall condenser and lighting device - Google Patents

Total reflection type thick-wall condenser and lighting device Download PDF

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Publication number
CN111197726A
CN111197726A CN201811380048.4A CN201811380048A CN111197726A CN 111197726 A CN111197726 A CN 111197726A CN 201811380048 A CN201811380048 A CN 201811380048A CN 111197726 A CN111197726 A CN 111197726A
Authority
CN
China
Prior art keywords
total reflection
condenser
cambered
wall
light
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
CN201811380048.4A
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Chinese (zh)
Inventor
倪柳清
钱茜
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 CN201811380048.4A priority Critical patent/CN111197726A/en
Priority to PCT/CN2019/100332 priority patent/WO2020103499A1/en
Publication of CN111197726A publication Critical patent/CN111197726A/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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • 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
    • 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
    • F21V13/12—Combinations of only three kinds of elements
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • 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
    • F21W2103/10—Position lights
    • 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
    • F21W2103/20—Direction indicator lights
    • 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
    • F21W2103/35—Brake lights
    • 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
    • F21W2103/40—Rear fog lights
    • 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
    • F21W2103/55—Daytime running lights [DRL]
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The invention relates to the technical field of automobile lamps, in particular to a total reflection type thick-wall condenser and an illuminating device, which comprise a combined condenser, wherein the combined condenser comprises a total reflection cambered prism arranged right in front of a light source and a cambered refraction condenser arranged at the outer edge of the total reflection cambered prism, the outer edge of the combined condenser is provided with a total reflection side wall condenser, the edge shape of the whole total reflection type thick-wall condenser corresponds to the shape of a light-emitting surface of an automobile lamp, and the light-emitting surface of the total reflection type thick-wall condenser can be changed into various shapes when being applied to the illuminating device, so that the design and the modeling are convenient, and the effect is enhanced.

Description

Total reflection type thick-wall condenser and lighting device
Technical Field
The invention relates to the technical field of automobile lamps, in particular to a total reflection type thick-wall condenser and an illuminating device.
Background
With the rapid development of automobile lamp technology, the design of the lamp not only needs to strictly meet the requirements of regulations, but also the appearance requirements, especially the lighting effect, are more and more emphasized, and to some extent, the visual perception of a vehicle can be rapidly improved by the appearance of a beautiful lamp. Therefore, more and more thick-wall parts are used for automobile tail lamps, and the requirements of transparency, uniformity and variable shapes are met.
Although the existing thick-wall parts can meet the requirements of finished automobile customers on the shape and appearance of a tail lamp, most of the thick-wall parts have large volume and low efficiency, can only aim at the shape of a single simple light emergent surface, have less research on the shape of an irregular light emergent surface and cannot conform to the shape of an automobile lamp.
Disclosure of Invention
In order to solve the defect that a thick-wall part in the prior art cannot adapt to variable vehicle lamp shapes, the invention provides a total reflection type thick-wall condenser and a lighting device which can be converted into various shapes and are convenient to design.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the total reflection type thick-wall condenser comprises a combined condenser, wherein the combined condenser comprises a total reflection cambered prism and a cambered refraction condenser, the total reflection cambered prism is arranged right in front of a light source, the cambered refraction condenser is arranged at the outer edge of the total reflection cambered prism, a total reflection side wall condenser is arranged at the outer edge of the combined condenser, and the edge shape of the whole total reflection type thick-wall condenser corresponds to the shape of a light outlet surface of a car lamp.
As an embodiment of the invention, the cambered surface refraction condenser and the total reflection cambered surface prism are formed by stretching along a certain direction.
As an embodiment of the invention, the cambered refraction condenser and the total reflection cambered prism are both formed by rotating a certain angle r around a Z-direction axis passing through the center of the light source, wherein r is more than 0 and less than or equal to 360 degrees.
Furthermore, the surface of the total reflection cambered prism on the side close to the light source is an arc surface capable of realizing light condensation.
Furthermore, the surface of the cambered surface refraction condenser close to one side of the light source is a sawtooth-shaped surface which refracts and guides light out.
Furthermore, the central line of the longitudinal section of the total reflection side wall condenser is a parabola, the surface of the total reflection side wall condenser close to the light source comprises a plurality of total reflection surfaces for reflecting light of the light source, and the adjacent total reflection surfaces are connected with each other through a gap surface.
Furthermore, the surface of the side, far away from the light source, of the total reflection side wall condenser comprises a plurality of convex surfaces which vertically guide out the light reflected by the total reflection surface, and adjacent convex surfaces are connected through a step surface.
An illumination device comprising a total reflection thick-walled concentrator as described above.
Has the advantages that:
(1) the thick-wall condenser is covered outside the light source device to play a role of a lampshade while transmitting light, so that the lighting device is simple and low in cost;
(2) the thick-wall condenser utilizes the total reflection and refraction lenses to adjust the light rays emitted by the light source device, the adjusted parallel light rays are parallel to the optical axis of the thick-wall condenser or the deviation angle between the parallel light rays and the optical axis of the thick-wall condenser is less than 5 degrees, in addition, the light emitting efficiency of the light source device can be reasonably adjusted, and the requirement of the regulation value of each function of the lighting device, especially the car lamp structure is met;
(3) the light outlet part of the thick-wall condenser is provided with the correcting surface, so that light rays are correctly corrected to leave the light outlet surface in the direction required by the regulation through the correcting surface, and the lighting uniformity effect is favorably improved;
(4) the light-emitting surface of the thick-wall condenser can be changed into various shapes when being applied to a lighting device, so that the design and modeling are convenient, and the effect is enhanced;
(5) the thick-walled condenser and the lighting device of the present invention can be used for vehicle lamp structures such as position lamps, turn lamps, brake lamps, rear fog lamps, daytime running lamps, etc. in vehicle lamps, and have a wide range of applications.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of a lighting device according to the present invention;
3 FIG. 32 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 31 3, 3 with 3 arrows 3 indicating 3 the 3 direction 3 of 3 light 3; 3
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1, with arrows indicating the direction of light;
FIG. 4 is a block diagram of one embodiment of a total reflection thick-walled concentrator;
fig. 5 is a cross-sectional view of fig. 4 taken along line C-C, with arrows indicating the direction of light.
The optical system comprises an arc-surface refraction condenser, 11 a sawtooth-shaped surface, 2 a total reflection arc-surface prism, 21 an arc-shaped surface, 3 a total reflection side-wall condenser, 31 a total reflection surface, 32 a gap surface, 33 a convex surface, 34 and a step surface.
Detailed Description
As shown in fig. 1 to 3, a total reflection type thick-wall condenser includes a combined condenser, the combined condenser includes a total reflection arc prism 2 disposed right in front of a light source, and an arc refraction condenser 1 disposed at an outer edge of the total reflection arc prism 2, a total reflection sidewall condenser 3 is disposed at an outer edge of the combined condenser, and an edge shape of the total reflection type thick-wall condenser corresponds to a shape of a light-emitting surface of a vehicle lamp. The total reflection principle of the total reflection side wall condenser 3 makes full use of the large-angle light. The combined condenser and the total reflection sidewall condenser 3 constitute an optical system, which can be applied to various irregular light-emitting surfaces.
The cambered surface refraction condenser 1 and the total reflection cambered surface prism 2 are formed by stretching along a certain direction. Or, the cambered surface refraction condenser 1 and the total reflection cambered surface prism 2 are both formed by rotating a certain angle r around a Z-direction axis passing through the center of the light source, wherein r is more than 0 and less than or equal to 360 degrees, and the direction right in front of the light source is defined as the Z direction.
During specific manufacturing, the cambered surface refraction condenser 1, the total reflection cambered surface prism 2 and the total reflection side wall condenser 3 can be mutually adhered or integrally formed. Referring to fig. 4 to 5, an embodiment of the present invention is to make a circular light collector, and then cut the circular light collector into different shapes according to the light-emitting surface to form the light collector with a corresponding light-emitting surface.
The surface of the total reflection cambered prism 2 close to one side of the light source is an arc surface 21 capable of realizing light condensation. In this embodiment, the total reflection cambered prism 2 is an optical surface obtained by rotating the cross section of a total reflection fresnel lens around a Z-axis passing through the center of the light source.
The surface of the cambered surface refraction condenser 1 close to one side of the light source is a sawtooth-shaped surface 11 which refracts and guides light rays out.
The central line of the longitudinal section of the total reflection side wall condenser 3 is a parabola, the surface of the total reflection side wall condenser 3 close to the light source comprises a plurality of total reflection surfaces 31 for reflecting light of the light source, and the adjacent total reflection surfaces 31 are connected with each other through a gap surface 32.
The surface of the side of the total reflection sidewall condenser 3 far away from the light source comprises a plurality of convex surfaces 33 which vertically guide the light reflected by the total reflection surface 31, and the adjacent convex surfaces 33 are connected through a step surface 34.
A lighting device comprises the total reflection type thick-wall condenser.
It should be understood that the above-described specific embodiments are merely illustrative of the present invention and are not intended to limit the present invention. Obvious variations or modifications which are within the spirit of the invention are possible within the scope of the invention.

Claims (8)

1. The total reflection type thick-wall condenser is characterized by comprising a combined condenser, wherein the combined condenser comprises a total reflection cambered prism (2) arranged right in front of a light source and a cambered refraction condenser (1) arranged at the outer edge of the total reflection cambered prism (2), a total reflection side wall condenser (3) is arranged at the outer edge of the combined condenser, and the edge shape of the whole total reflection type thick-wall condenser corresponds to the shape of a light-emitting surface of a car lamp.
2. The total reflection type thick-wall condenser according to claim 1 is characterized in that the cambered refraction condenser (1) and the total reflection cambered prism (2) are formed by stretching along a certain direction.
3. The thick-walled total-reflection optical concentrator as claimed in claim 1, wherein the cambered refractive concentrator (1) and the total-reflection cambered prism (2) are both formed by rotating a certain angle r around the Z-axis passing through the center of the light source, wherein r is more than 0 and less than 360 degrees.
4. The total reflection type thick-wall condenser according to claim 1 is characterized in that the surface of the total reflection cambered prism (2) close to the light source is an arc-shaped surface (21) capable of realizing light condensation.
5. The total reflection type thick-wall condenser according to claim 1 is characterized in that the surface of the cambered surface refraction condenser (1) close to the light source is a sawtooth-shaped surface (11) which refracts and guides light.
6. The total reflection type thick-wall condenser according to claim 1 is characterized in that the central line of the longitudinal section of the total reflection side-wall condenser (3) is a parabola, the surface of the total reflection side-wall condenser (3) close to the light source comprises a plurality of total reflection surfaces (31) for reflecting light of the light source, and the adjacent total reflection surfaces (31) are connected with each other through a gap surface (32).
7. The total reflection type thick-wall condenser according to claim 6, characterized in that the surface of the total reflection type thick-wall condenser (3) far away from the light source comprises a plurality of convex surfaces (33) for vertically guiding out the light reflected by the total reflection surface (31), and the adjacent convex surfaces (33) are connected through a step surface (34).
8. An illumination device, characterized by: the all-reflective thick-wall condenser comprises the all-reflective thick-wall condenser as claimed in any one of claims 1 to 7.
CN201811380048.4A 2018-11-20 2018-11-20 Total reflection type thick-wall condenser and lighting device Pending CN111197726A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811380048.4A CN111197726A (en) 2018-11-20 2018-11-20 Total reflection type thick-wall condenser and lighting device
PCT/CN2019/100332 WO2020103499A1 (en) 2018-11-20 2019-08-13 Total-reflective thick-wall condenser and lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811380048.4A CN111197726A (en) 2018-11-20 2018-11-20 Total reflection type thick-wall condenser and lighting device

Publications (1)

Publication Number Publication Date
CN111197726A true CN111197726A (en) 2020-05-26

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CN (1) CN111197726A (en)
WO (1) WO2020103499A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1037573A (en) * 1988-05-09 1989-11-29 汽车电子、汽车拖拉机电器装置科研生产联合企业 Whole pressed light collimator
CH681478A5 (en) * 1990-11-12 1993-03-31 Ver Drahtwerke Ag
CN102748691B (en) * 2012-07-16 2017-04-19 毛振权 Upper-beam head lamp of LED (Light Emitting Diode) motor vehicle
DE102015216111B4 (en) * 2015-08-24 2023-02-16 Osram Gmbh lighting device
CN209146991U (en) * 2018-11-20 2019-07-23 常州星宇车灯股份有限公司 A kind of total-reflection type heavy wall condenser and lighting device

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