CN108036277B - Car light and light path conduction device thereof - Google Patents
Car light and light path conduction device thereof Download PDFInfo
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- CN108036277B CN108036277B CN201711423592.8A CN201711423592A CN108036277B CN 108036277 B CN108036277 B CN 108036277B CN 201711423592 A CN201711423592 A CN 201711423592A CN 108036277 B CN108036277 B CN 108036277B
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Classifications
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/322—Optical layout thereof the reflector using total internal reflection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
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- 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
- F21W2103/60—Projection of signs from lighting devices, e.g. symbols or information being projected onto the road
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- 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]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention provides a light path conducting device of a car lamp, which comprises an optical element, a car lamp lens and at least one light source, wherein the optical element can be a condenser or a reflector with a plurality of condensing units; the focal point of the optical element is coincided with the focal point of the car lamp lens at the focal point, and the light emitted by the light source is converged to the focal point through the optical element and is emitted out through the car lamp lens.
Description
Technical Field
The invention relates to a car lamp and a light path conduction device thereof, belonging to the technical field of automobile manufacturing.
Background
The modeling of the automobile headlamp is changing day by day, and the diversification of the lens shape and the personalized multi-module form which can be freely arranged and combined become the mainstream modeling trend.
No matter single module or multi-module form, as shown in fig. 1, a car lamp lens 5a in a car lamp in the prior art is generally in a structural form that one surface is a convex surface and the other surface is a plane, and has a single shape, a large opening size and a thick wall, so that the space of the module, the size and the weight of the whole car lamp are increased, and complicated and various modeling transformation is not facilitated.
Therefore, how to satisfy functions such as passing light, distance light, etc., provides a PES unit that is small in size, light in weight, and especially lens shape can be diversified, not only can realize passing light, distance light illumination, effectively reduce module space and whole lamp size simultaneously, but also can arrange into arbitrary multimode group form according to the molding demand, and near and better adaptation future automobile market is to the demand of headlamp, becomes for the present technological problem in this field.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a vehicle lamp and a light path conducting device thereof, which can reduce the size of the vehicle lamp, and have a simple structure and low cost.
In order to achieve the purpose, the invention provides a light path conduction device of a car lamp, which adopts the following technical scheme: the device comprises an optical element for converging light rays emitted by a light source, a car lamp lens and at least one light source, wherein one surface of the car lamp lens is provided with concentric circular grains with the diameters sequentially increasing from the circle center to the outer diameter, and the other surface of the car lamp lens is a plane;
the focal point of the optical element is coincided with the focal point of the car lamp lens at a focusing point, and light rays emitted by the light source are converged to the focusing point through the optical element and are emitted out through the car lamp lens.
As mentioned above, the light path transmission device of the vehicle lamp adopts the lens with one surface provided with the concentric circular grains with the diameters increasing from the circle center to the outside in sequence and the other surface being the plane as the vehicle lamp lens, thereby greatly reducing the thickness of the vehicle lamp lens, reducing the size of the vehicle lamp, being beneficial to the installation and the arrangement of the vehicle lamp and other parts, having simple structure and lower cost.
Preferably, the lamp lens is a fresnel lens. Fresnel lenses are also known as Fresnel lenses, or threaded lenses.
Preferably, the front surface of the car lamp lens is a plane, and the concentric circular patterns are arranged on the front surface or the back surface of the car lamp lens.
Preferably, the optical element is provided with a plurality of light-gathering units, the light-gathering units are in a horn shape with a large front end diameter and a small rear end diameter, the front ends of the light-gathering units face the focal point of the optical element, the rear ends of the light-gathering units are provided with light-gathering ports, and a light source is arranged in each light-gathering port of each light-gathering unit. Thus, the optical element can converge the light emitted by the light source in each light-converging opening to a focusing point and transmit the light to the lamp lens, and the brightness and the intensity of the light emitted from the lamp lens can be improved.
Preferably, each light condensing unit is in a revolving body structure, and the central axis of each light condensing unit intersects with the focusing point. Each light condensing unit is made of transparent materials, the inner side of the outer surface of the horn shape of each light condensing unit can reflect light, light rays emitted by the light source in each light condensing opening are converged to the focusing point after being reflected by the inner side of the outer surface of the horn shape of each light condensing unit, and finally are emitted out through the lens of the vehicle lamp, so that the brightness and the intensity of the light rays emitted by the lens of the vehicle lamp can be improved.
Preferably, the optical element is a reflector having an ellipsoidal reflective surface, and the light emitted from the light source is reflected by the reflector to the focus point. The reflector with the ellipsoidal reflecting surface is easy to manufacture, has a light-gathering function, can meet the functional requirements of the optical element in the invention, and can be used as the optical element in the invention.
Preferably, a light shielding plate is further included, which shields a part of light rays emitted from the optical element toward the lens of the vehicle lamp.
Preferably, the lens of the lamp is non-circular.
Preferably, the lens for the lamp is circular, rectangular, triangular or fan-shaped.
Preferably, the light source is an LED lamp.
Correspondingly, the invention further provides a vehicle lamp, which comprises one or more light path conduction devices of the vehicle lamp according to the technical scheme or any preferable technical scheme.
As mentioned above, the vehicle lamp according to the present invention also has the beneficial effects of the light path conducting device of the vehicle lamp according to the present invention, and the details are not repeated herein.
Drawings
Fig. 1 shows a lens for a vehicle lamp used for a light path conducting device of a vehicle lamp in the prior art.
Fig. 2 shows a lamp lens for use in the light path conducting device of a lamp according to the present invention, shown as a cross-sectional view of the lamp lens along its diameter.
Fig. 3 shows an embodiment of the light path conducting device for a vehicle lamp according to the present invention, the lens of the vehicle lamp being shown in a cross-sectional view along its diameter.
Fig. 4 shows a constructive form of the light-concentrating device in fig. 3, the light-concentrating device being shown in a sectional view taken along the centre line of revolution of the individual light-concentrating units.
Fig. 5 shows another embodiment of the light path conducting device for a vehicle lamp according to the present invention, and the lens of the vehicle lamp is shown in a cross-sectional view along a diameter thereof.
Fig. 6 and 7 are diagrams showing light patterns of a single module of the light path conducting device for a vehicle lamp according to the present invention, respectively.
Fig. 8, fig. 9 and fig. 10 are diagrams of a single-module-assisted wide light spreading mode of the light path conducting device for the vehicle lamp according to the present invention.
FIG. 11 is a low beam pattern of the light path conducting device of the present invention;
FIG. 12 is a high beam type view of the light path conducting device for a vehicular lamp according to the present invention;
fig. 13 to 20 are schematic views respectively showing a bright area displayed in a car logo by the light path conducting device of the car lamp according to the present invention.
Description of the element reference numerals
1 optical element 6 light source
2 light-gathering unit 7 concentric circle pattern
3 mirror 8 focal point
4 light-gathering port 9 light-receiving area
5a vehicle lamp lens 10 shading plate
5b vehicle lamp lens
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 2 to 5, the present invention provides a light path transmission device for a vehicle lamp, including an optical element 1 for converging light emitted by a light source, a vehicle lamp lens 5b and at least one light source 6, wherein one surface of the vehicle lamp lens 5b is provided with concentric circular patterns 7 whose diameters are sequentially increased from the center of a circle to the outside, and the other surface of the vehicle lamp lens 5b is a plane; the focal point of the optical element 1 coincides with the focal point of the lamp lens 5b at a focusing point 8, and the light emitted by the light source 6 is converged to the focusing point 8 through the optical element 1 and is emitted from the lamp lens 5 b. The light path transmission device of the car lamp adopts the lens with one surface provided with the concentric circular grains 7 with the diameters increasing from the circle center to the outside in sequence and the other surface being a plane as the car lamp lens 5b, so that the thickness of the car lamp lens 5b is greatly reduced, the size of the car lamp is reduced, the installation and the arrangement of the car lamp and other parts are facilitated, the structure is simple, and the cost is lower.
In the light path conducting device of a vehicle lamp of the present invention, the lamp lens 5b has a concentric circular pattern 7, as shown in fig. 5, when viewed from a central cross section of the lamp lens 5b, a side of the lamp lens 5b having the concentric circular pattern 7 is composed of a series of saw-tooth grooves, the concentric circular pattern 7 is actually an annular saw-tooth groove, each saw-tooth groove has a different angle with an adjacent saw-tooth groove, when a light enters the lamp lens 5b from a focusing point 8, the light passes through the lamp lens 5b and becomes parallel light or a divergent light is emitted to the outside of the lamp, each annular saw-tooth groove can be regarded as an independent small lens, and the light is adjusted to be parallel light. Preferably, the front surface of the lamp lens 5b is a plane, and the concentric circular patterns 7 are arranged on the front surface or the back surface of the lamp lens 5 b.
In the light path transmission device for a vehicle lamp according to the present invention, the lamp lens 5b can convert light rays emitted from the focus point 8 to the lamp lens 5b into parallel light rays or divergent light rays by refraction of the lamp lens 5b, and the lamp lens 5b has a concentric circular pattern 7 on one surface and a flat surface on the other surface, and the surface having the concentric circular pattern 7 may be directed to the focus point 8 or the flat surface on the other surface may be directed to the focus point 8. In a preferred embodiment, the lamp lens 5b is a fresnel lens. The Fresnel lens is also called Fresnel lens or screw lens, and the function of the lamp lens 5b in the optical path conducting device of the vehicle lamp according to the present invention can be realized by using the Fresnel lens. The Fresnel lens can be made of transparent plastic PMMA, PC or glass sheets, one surface is a smooth surface, and the smooth surface can be a plane or a small-curvature radian surface; the other side is provided with concentric circular patterns. Compared with the traditional convex lens, the Fresnel lens is light and thin, saves materials and space, and achieves the same light condensation effect.
In an optical path conducting device for a vehicle lamp according to the present invention, the optical element 1 is capable of converging light emitted from the light source 6 to the focusing point 8, as shown in fig. 3 and 4, as a preferred embodiment, the optical element 1 has a plurality of light converging units 2, the light converging units 2 are in a horn shape with a large front end diameter and a small rear end diameter, the front ends of the light converging units 2 face the focal point of the optical element 1, the rear ends of the light converging units 2 are provided with light converging ports 4, one light source 6 is arranged in each light converging port 4 of each light converging unit 2, and the focal point of each light converging unit coincides with the focusing point 8. In this way, the optical element 1 can converge the light emitted from the light source 6 in each light converging port 4 to the focal point 8 and transmit the light to the lamp lens 5b, and the brightness and intensity of the light emitted from the lamp lens 5b can be improved. As shown in fig. 3 and 4, each light condensing unit 2 has a revolving structure, and the central axis of each light condensing unit 2 intersects the focusing point 8. Each light condensing unit 2 is made of transparent materials, the inner side of the horn-shaped outer surface of each light condensing unit 2 can reflect light, light rays emitted by the light source 6 in each light condensing port 4 are converged to the focusing point 8 after being reflected by the inner side of the horn-shaped outer surface of each light condensing unit 2, and finally are emitted through the vehicle lamp lens 5b, so that the brightness and the intensity of the light rays emitted by the vehicle lamp lens 5b can be improved.
In the optical path conducting device of a vehicle lamp according to the present invention, the optical element 1 can converge the light emitted from the light source 6 to the focusing point 8, as another preferred embodiment, as shown in fig. 5, the optical element 1 is a reflective mirror 3 having an ellipsoidal reflective surface, and the light emitted from the light source 6 is reflected to the focusing point 8 by the reflective mirror 3. The reflector 3 having an ellipsoidal reflecting surface is easy to manufacture, has a light condensing function, can satisfy the functional requirements of the optical element 1 of the present invention, and can be used as the optical element 1 of the present invention.
In the car light, the shape of the light-emitting area displayed by the car light is not circular, and in order to make the car light display the required light shape, as shown in fig. 3 and 5, the light path conduction device of the car light of the invention further comprises a light shielding plate 10, the light shielding plate 10 shields part of light rays emitted from the optical element 1 to the car light lens 5b, the back of the car light lens 5b is provided with a light receiving area 9, the light receiving area 9 receives the light rays emitted from the optical element 1, and light types with different brightness and different shapes can be constructed by adjusting the number and the position of the light sources 6, the number and the position of the light condensing units 2, the car light lens 5b and the light shielding plate 10. In order to make the light emitted from the light source 6 utilized efficiently, a reflective material may be coated on the light-shielding plate 10, and the light is reflected after being irradiated on the light-shielding plate 10 and finally emitted through the lens 5b of the vehicle lamp. The specific shape and arrangement of the light-shielding plate 10 are determined according to the shape of the light pattern required to be displayed by the vehicle lamp, and are not exhaustive. Generally, an LED or the like is used as the light source 6 of the vehicle lamp in the vehicle lamp, and in the optical path conducting apparatus of the vehicle lamp of the present invention, the light source 6 may be an LED lamp.
In the light path conducting device of the vehicle lamp, the number and the positions of the LED light sources 6, the number and the positions of the light condensing units 2, the vehicle lamp lens 5b and the light shielding plate 10 are designed and adjusted to construct light types with different brightness and different shapes, the shape of the vehicle lamp lens 5b can be freely changed and arranged on the premise of ensuring that enough light type display areas can be displayed, and the vehicle lamp lens 5b can be in a non-circular shape, a rectangular shape, a triangular shape or a fan shape, or any other shape.
The parameters of the light path conducting device of the vehicle lamp of the present invention are adjusted to obtain different single-module light patterns, such as fig. 6 showing the HOT SPOT light pattern of a single module formed by using the light guide device of the vehicle lamp of the present invention, and fig. 7 showing another single-module HOT SPOT light pattern formed by using the light path conducting device of the vehicle lamp of the present invention. Fig. 8, fig. 9 and fig. 10 are diagrams of a single-module-assisted wide light spreading mode of the light path conducting device for the vehicle lamp according to the present invention. The light path conducting devices of the vehicle lamps can meet the optical performance requirements of different light types or form different light type shapes, and a low beam light type diagram obtained by superposing the light path conducting devices of the vehicle lamps is shown in fig. 11; fig. 12 is a high beam pattern obtained by superimposing a plurality of the light path conducting devices of the present invention. The HOT SPOT light type and the auxiliary expansion wide light type are superposed, namely, the light path conducting devices of a plurality of car lamps are combined to realize low-beam light or high-beam light types with different optical performances.
In the light path conducting device of the vehicle lamp, the light types with different brightness and different shapes can be constructed by designing and adjusting the number and the positions of the LED light sources 6, the number and the positions of the light condensing units 2, the vehicle lamp lens 5b and the light shading plate 10, and the low beam light type or the high beam light type with different optical properties can be realized by utilizing a plurality of light path conducting devices of the vehicle lamp in a superposition mode. In order to make full use of the light emitted from the light source 6, and to make the luminance of the light displayed by the lamp lens 5b stronger, the focal point of the lamp lens 5b may be set at a position corresponding to the geometric center of the lamp lens 5 b.
As shown in fig. 13 to 20, which are schematic views of the light-emitting areas displayed in the automobile sign by the light path conducting device of the invention, respectively, in order to highlight the automobile sign, the areas indicated by the black dashed boxes in the signs in fig. 13 to 20 are light-emitting areas. For example, in the center position of the automobile sign in fig. 13, there are 4 rectangular black dashed frames which are the light areas of the vehicle lamp, and the light areas can be configured by using the light path conducting devices of the vehicle lamp of the present invention, the shape of the lamp lens 5b of each light path conducting device or the light receiving area 9 on the lamp lens 5b is the same as the area of one black dashed frame in fig. 13, and the light emitted from the lamp lens 5b makes the area in the black dashed frame in fig. 13 emit light. It is also possible to use four light path transmission devices of the vehicle lamp of the present invention to construct the light-emitting region as in fig. 14, and the shape of the lamp lens 5b of each light path transmission device or the light-receiving region 9 on the lamp lens 5b may be the same as the region of one black dashed frame in fig. 14, and the light emitted from the lamp lens 5b causes the region of the black dashed frame in fig. 13 to emit light. Fig. 15 to 20 show different configurations of the bright area on the automobile sign, and for these configurations, only the same number of light path transmission devices as the black dashed frame on the automobile sign are required, and the light receiving area 9 on the lamp lens 5b or the shape of the lamp lens 5b of the corresponding light path transmission device is set according to the black dashed frame area on the automobile sign in fig. 15 to 20, so that the light emitted from the lamp lens 5b of each light path transmission device can configure the bright area in the figure.
Correspondingly, the invention further provides a vehicle lamp, which comprises one or more light path conduction devices of the vehicle lamp according to the technical scheme or any preferable technical scheme. The vehicle lamp of the present invention also has the beneficial effects of the light path conducting device of the vehicle lamp of the present invention, and the details are not repeated herein.
In a vehicle lamp according to the present invention, as shown in fig. 13 to 20, each area indicated by a dashed box represents a light pattern displayed by the light path conducting device of one vehicle lamp, and different light pattern shapes can be configured by combining the light path conducting devices of one or more vehicle lamps to meet different requirements. For example, fig. 13 and 14, fig. 15 and 16, and fig. 17 and 18 show cases where the light path guiding devices of one or more vehicle lamps are used to combine different light patterns to highlight the vehicle logo.
In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. The light path transmission device of the car light is characterized by comprising an optical element (1) for converging light rays emitted by a light source, a car light lens (5b) and at least one light source (6), wherein one surface of the car light lens (5b) is provided with concentric circular grains (7) with diameters sequentially increasing from the circle center to the outside, and the other surface of the car light lens (5b) is a plane;
the focal point of the optical element (1) and the focal point of the car lamp lens (5b) are superposed at a focal point (8), and light rays emitted by the light source (6) are converged to the focal point (8) through the optical element (1) and emitted out through the car lamp lens (5 b);
the optical element (1) is provided with a plurality of light-gathering units (2), the light-gathering units (2) are in a horn shape with large front end diameter and small rear end diameter, the front ends of the light-gathering units (2) face the focus of the optical element (1), the rear ends of the light-gathering units (2) are provided with light-gathering ports (4), and a light source (6) is arranged in each light-gathering port (4) of each light-gathering unit (2);
each light condensing unit (2) is of a revolving body structure, and the central axes of the light condensing units (2) are intersected at the focusing point (8);
the light path conduction device is arranged at an automobile sign which is divided into a plurality of areas according to the shape, and the shape of each car lamp lens (5b) or a light receiving area (9) on each car lamp lens (5b) is the same as the shape of each area.
2. The optical path conduction device for a vehicular lamp according to claim 1, characterized in that: the car light lens (5b) is a Fresnel lens.
3. The optical path conduction device for a vehicular lamp according to claim 1, characterized in that: the front surface of the car lamp lens (5b) is a plane, and the concentric circular grains (7) are arranged on the front surface or the back surface of the car lamp lens (5 b).
4. The optical path conduction device for a vehicular lamp according to claim 1, characterized in that: the automobile headlamp further comprises a light shielding plate (10), and the light shielding plate (10) shields part of light rays emitted to a lamp lens (5b) from the optical element (1).
5. The optical path conduction device for a vehicular lamp according to claim 1, characterized in that: the car light lens (5b) is non-circular.
6. The optical path conduction device for a vehicular lamp according to claim 1, characterized in that: the car light lens (5b) is circular, rectangular, triangular or fan-shaped.
7. A vehicular lamp comprising one or more light path conducting devices of the vehicular lamp according to any one of claims 1 to 6.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711423592.8A CN108036277B (en) | 2017-12-25 | 2017-12-25 | Car light and light path conduction device thereof |
| JP2020535110A JP6994576B2 (en) | 2017-12-25 | 2018-04-10 | Vehicle lights and their optical path conduction devices |
| PCT/CN2018/082542 WO2019127976A1 (en) | 2017-12-25 | 2018-04-10 | Vehicle lamp and light path transmission device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711423592.8A CN108036277B (en) | 2017-12-25 | 2017-12-25 | Car light and light path conduction device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| CN108036277B true CN108036277B (en) | 2020-10-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111123415A (en) * | 2018-10-30 | 2020-05-08 | 帝宝工业股份有限公司 | Optical system, optical lens and construction method thereof |
| CN110220162A (en) * | 2019-06-28 | 2019-09-10 | 华域视觉科技(上海)有限公司 | Optical element, illumination module, signal illumination multiplexing mould group, car light, automobile |
| EP3789658A1 (en) * | 2019-09-06 | 2021-03-10 | ZKW Group GmbH | Lighting device for a motor vehicle headlight |
| CN110486688B (en) * | 2019-09-11 | 2024-05-03 | 华域视觉科技(上海)有限公司 | Car light module, car light and vehicle |
| WO2021136236A1 (en) * | 2020-01-03 | 2021-07-08 | 市光法雷奥（佛山）汽车照明系统有限公司 | Optical system and vehicle |
| EP3974712A1 (en) * | 2020-09-23 | 2022-03-30 | ZKW Group GmbH | Lighting device for a motor vehicle headlight |
| CN114893747A (en) * | 2022-04-21 | 2022-08-12 | 深圳市朗一曼光学有限公司 | Integrated internal total reflection car lamp module lens |
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| CN1854597A (en) * | 2005-04-25 | 2006-11-01 | 堤维西交通工业股份有限公司 | Fresnel lens projecting light structure |
| CN201196361Y (en) * | 2008-05-13 | 2009-02-18 | 郭廷麟 | Headlight for motor-driven vehicle |
| CN101782219B (en) * | 2009-01-19 | 2011-08-10 | 上海开腾信号设备有限公司 | Large-power LED light source, large-power LED illuminating lamp using same and application of illuminating lamp |
| US10363860B2 (en) * | 2013-12-12 | 2019-07-30 | Mitsubishi Electric Corporation | Headlight module and headlight apparatus |
| CN104763960A (en) * | 2015-04-09 | 2015-07-08 | 上海理工大学 | Automobile headlamp and car comprising same |
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Address after: 201800 No. 767, Yecheng Road, Shanghai, Jiading District Patentee after: HUAYU VISION TECHNOLOGY (SHANGHAI) Co.,Ltd. Address before: 201800 No. 767, Yecheng Road, Shanghai, Jiading District Patentee before: SHANGHAI KOITO AUTOMOTIVE LAMP Co.,Ltd. |
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