CN210740267U - Primary optical element, headlamp module, car lamp and vehicle - Google Patents
Primary optical element, headlamp module, car lamp and vehicle Download PDFInfo
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- CN210740267U CN210740267U CN201921972815.0U CN201921972815U CN210740267U CN 210740267 U CN210740267 U CN 210740267U CN 201921972815 U CN201921972815 U CN 201921972815U CN 210740267 U CN210740267 U CN 210740267U
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Abstract
The utility model relates to a car light lighting device discloses a primary optical element, including a plurality of spotlight collimation structures (1) and light integration portion (2), the income plain noodles (6) and the play plain noodles of spotlight collimation structure (1) pass through optical channel portion and connect, be formed with the clearance between the optical channel portion; the light incident surface (6) of the light condensing and collimating structure (1) is a plane light incident surface, and the sectional area of the light condensing and collimating structure (1) is increased from the light incident surface (6) to the light emergent surface; the light emitting surface of the light condensation collimation structure (1) is connected with the rear end surface of the light fusion part (2), and the front end surface (5) of the light fusion part (2) is a cambered surface which is concave backwards. Furthermore, the utility model also discloses a head-light module, car light and vehicle. The utility model discloses a primary optical element can also make when guaranteeing the homogeneity of light shape, can also make when needs form the dark zone, and the light source number of closing reduces.
Description
Technical Field
The utility model relates to a car light lighting device specifically relates to a primary optical element. Furthermore, the utility model discloses still relate to a head-light module, car light and vehicle.
Background
The optical element of the car light is an important component of the car headlight, in the technical field of the car light, a reflector or a condenser is generally adopted as a primary optical element of the car headlight, and a lens or a part with a corresponding structure is adopted as a final light emitting element.
The structure of the primary optical element is one of the important influencing factors of the performance of the automobile headlamp, and as the development of the automobile industry is gradually matured and stabilized, the variety of the automobile headlamp is more and more diversified, and in terms of the comprehensive performance of the automobile headlamp, customers put forward higher and higher requirements, such as the uniformity of the low beam or high beam shape of the automobile headlamp, the visibility of the low beam, the heat dissipation performance, the brightness of the high beam, and the structure, weight and volume of the automobile headlamp, and the like, so that various improvements of each component of the automobile headlamp, including the improvement of the primary optical element, are required.
In the prior art, some primary optical elements are light collectors, which are formed by combining a plurality of collimator units, the collimator units are rod-shaped, the light entrance end is in a light collecting bowl shape with a concave middle, the light exit surfaces of the collimator units are connected with each other to form a continuous plane or curved surface, and the light entrance end and the light exit surfaces are connected through a light channel. The light emitted by the light source is converged by the corresponding light-entering end in the shape of the light-gathering bowl, and then is transmitted to the light-emitting surface through the respective light channels, and all the light is fused and emitted from the light-emitting surface. The primary optical element has a complex structure and high processing difficulty, and the manufacturing longitude is difficult to guarantee; and the light rays of each collimator unit are only fused on the light-emitting surface after being collimated, so that gaps exist among a plurality of light-emitting areas formed by the light rays inevitably, and the light shape of the car lamp is not uniform.
In addition, some of the primary optical elements in the prior art are transparent baffles, the light incident surface of the transparent baffle has a plurality of protruding structures, the protruding structures share one light channel, and light rays emitted by the light source are converged by the protruding structures, are fused at the rear end of the light channel, are transmitted to the front end surface of the light channel through the light channel, and are emitted. Each protruding structure corresponds to a light emitting area, so that the ADB high beam function can be realized, however, light rays start to be fused at the rear end of the light channel, so that the overlapping part of each light emitting area is very large, when a dark area needs to be formed, the number of the light emitting areas related to the dark area is large, and a plurality of light sources need to be turned off, so that dazzling of pedestrians or vehicles in the area is avoided.
SUMMERY OF THE UTILITY MODEL
The present invention is to provide a primary optical element which can ensure the uniformity of light shape and reduce the number of light sources to be turned off when a dark area is required to be formed.
Furthermore, the second technical problem to be solved by the present invention is to provide a headlamp module, which can ensure the uniformity of light shape and reduce the number of light sources to be turned off when a dark area is required to be formed.
Further, the third technical problem to be solved by the present invention is to provide a vehicle lamp, which can ensure the uniformity of light shape and reduce the number of the light sources to be turned off when a dark area is required to be formed.
Furthermore, the fourth technical problem to be solved by the present invention is to provide a vehicle, the lamp of which can ensure the uniformity of light shape and reduce the number of light sources to be turned off when a dark area is required to be formed.
In order to solve the above technical problem, the present invention provides a primary optical element, including a plurality of condensing collimation structures and a light fusion portion, wherein the light incident surface and the light emergent surface of the condensing collimation structures are connected by a light channel portion, and a gap is formed between the light channel portions; the light incident surface of the light condensing and collimating structure is a plane light incident surface, and the sectional area of the light condensing and collimating structure is increased from the light incident surface to the light emergent surface; the light emitting surface of the light condensation collimation structure is connected with the rear end surface of the light fusion part, and the front end surface of the light fusion part is a backward concave cambered surface.
Preferably, the gap is a wedge-shaped gap.
In a specific embodiment, the primary optical element is a plastic, silicone or glass primary optical element.
In one embodiment, a front boundary of the upper surface of the light merging portion is provided with a low beam cut-off line structure.
Further, the front end of the upper surface of the light fusion part is provided with a convex structure to be able to control the brightness of the dark area of the low beam 50L.
Further, the upper surface of the primary optical element has an aluminum-plated reflective layer.
In another embodiment, the front boundary of the upper surface of the light-merging portion is provided with a high beam cut-off line structure.
In yet another embodiment, a lower beam cut-off line structure is provided at a front boundary of a lower surface of the light merging portion.
A second aspect of the present invention provides a headlamp module, including a high beam optical system and a light emitting element; the high beam optical system comprises a high beam light source and a high beam optical element, the high beam optical element is the primary optical element in the technical scheme of the first aspect, and light of the high beam light source can pass through the high beam optical element to the light emitting element so as to form a high beam shape.
Further, still include the passing light optical system, the passing light optical system includes passing light source and passing light optical element, the light of passing light source can pass through the passing light optical element to the light-emitting component to can form the passing light shape.
Specifically, the low-beam optical element is a low-beam reflector corresponding to the low-beam light source; or the low-beam optical element comprises at least one row of low-beam light-gathering cups which are transversely arranged, and each low-beam light-gathering cup corresponds to the corresponding low-beam light source; or the low-beam optical element is the primary optical element described in the technical solution of the first aspect.
In a specific embodiment, the light emitting element is a lens.
More specifically, the front end face of the optical fusion section of the primary optical element is provided at a focal plane of the lens.
In a specific embodiment, the lens is a plano-convex lens or a biconvex lens.
Specifically, the light emitting surface of the lens is in a grid shape.
The utility model discloses the third aspect provides a car light, including any one in the technical scheme of the second aspect head-light module.
The utility model discloses the fourth aspect provides a vehicle, including the car light among the third aspect technical scheme.
Through the technical scheme of the utility model, the utility model has the advantages that the light incoming surface and the light outgoing surface of the condensation collimation structure of the primary optical element of the utility model are connected through the optical channel parts, a gap is formed between the optical channel parts, the optical channel parts are mutually independent, light fleeing cannot occur between each other, and the utilization rate of light is ensured; meanwhile, the light rays enter the light fusion part for fusion after being condensed and collimated, so that gaps do not exist among the light emitting areas corresponding to the condensing and collimating structures, the overlapping parts among the light emitting areas are small, the uniformity of light shapes is guaranteed, when a dark area needs to be formed, the number of the light emitting areas related to the dark area is reduced, and the number of the light sources which need to be correspondingly turned off is correspondingly reduced.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The following drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the scope of the invention to the drawings and the embodiments described below. In the drawings:
FIG. 1 is a schematic diagram of a perspective view of one embodiment of a primary optical element of the present invention;
FIG. 2 is a schematic diagram of another perspective of an embodiment of the primary optical element of the present invention;
FIG. 3 is a partial enlarged view of one embodiment of the primary optical element of the present invention;
FIG. 4 is a schematic longitudinal cross-sectional view of one embodiment of a primary optical element of the present invention;
FIG. 5 is a schematic transverse cross-sectional view of one embodiment of a primary optical element of the present invention;
fig. 6 is a schematic structural view of a first embodiment of a headlamp module according to the present invention;
fig. 7 is a partially enlarged view of a first embodiment of the headlamp module of the present invention;
fig. 8 is a longitudinal cross-sectional view of a first embodiment of a headlamp module of the present invention;
fig. 9 is a schematic transverse cross-sectional view of a first embodiment of a headlamp module of the present invention;
fig. 10 is another schematic structural view of the first embodiment of the headlamp module of the present invention;
fig. 11 is a schematic structural view of a second embodiment of the headlamp module of the present invention;
fig. 12 is a schematic longitudinal cross-sectional view of a second embodiment of a headlamp module of the present invention;
FIG. 13 is a schematic light diagram of an embodiment of a headlamp module of the present invention;
FIG. 14 is a schematic light pattern diagram of an embodiment of a headlamp module of the present invention;
fig. 15 is a schematic view of a first view angle of a third embodiment of a headlamp module according to the present invention;
fig. 16 is a schematic structural view of a second view angle of a third embodiment of a headlamp module according to the present invention;
fig. 17 is a schematic structural view of a third viewing angle of a third embodiment of a headlamp module according to the present invention;
fig. 18 is a schematic view of a first view angle of a fourth embodiment of a headlamp module according to the present invention;
fig. 19 is a schematic structural view of a second view angle of a fourth embodiment of a headlamp module according to the present invention;
fig. 20 is a schematic structural view of a third view angle of a fourth embodiment of a headlamp module according to the present invention.
Description of the reference numerals
1 light-gathering collimation structure 2 light-fusion part
3 passing light stop line structure 4 convex structure
5 front end surface 6 light incident surface of light fusion part
7 high beam light source and 8 low beam light source
9 low beam reflector 10 near beam light-gathering cup
11 lens 12 high beam shape area
13 low beam cut-off 14 low beam shaped zone
Detailed Description
The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, and it should be understood that the embodiments described herein are merely for purposes of illustration and explanation, and the scope of the present invention is not limited to the following embodiments.
It should be noted that, the technical terms are defined with the primary optical element itself as an orientation reference, the terms "up" and "down" refer to the upper and lower directions along the light emitting direction, the term "front" refers to the light emitting direction, and the end opposite to the light emitting direction is the rear; the terminology is used for the purpose of describing the invention only and is for the purpose of simplifying the description based on the orientation or positional relationship shown in the drawings, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention; the utility model discloses a position technical meaning in the car light is used to the head-light module, should explain according to actual installation state and combine this department to use the head-light module itself as the technical meaning of benchmark.
Referring to fig. 1, the present invention provides a primary optical element, which includes a plurality of condensing collimation structures 1 and a light fusion part 2, wherein a light incident surface 6 and a light emergent surface of the condensing collimation structures 1 are connected by a light channel part, and a gap is formed between the light channel parts; the light incident surface 6 of the light condensing and collimating structure 1 is a plane light incident surface, and the sectional area of the light condensing and collimating structure 1 is increased from the light incident surface 6 to the light emitting surface; the light-emitting surface of the light-gathering collimation structure 1 is connected with the rear end surface of the light fusion part 2, and the front end surface 5 of the light fusion part 2 is a backward concave cambered surface.
Through the utility model discloses above-mentioned basic technical scheme's primary optical element, this primary optical element include a plurality of spotlight collimation structures 1 and light fusion portion 2, and light gets into light channel portion through the income plain noodles 6 of each spotlight collimation structure 1, and the light that gets into after the light channel portion spotlight collimation gets into light fusion portion 2 and fuses and jet out; the light incident surface 6 and the light emergent surface of the light-gathering collimating structure 1 are connected through the light channel parts, gaps are formed among the light channel parts, the light channel parts are independent from each other, light fleeing does not occur among the light channel parts, and the utilization rate of light rays is ensured; meanwhile, the light is condensed and collimated and then fused by the light fusion part 2, so that gaps do not exist among the light emitting areas corresponding to the condensing and collimating structures 1, the overlapping parts among the light emitting areas are small, the uniformity of light shapes is guaranteed, when a dark area needs to be formed, the number of the light emitting areas related to the dark area is reduced, and the number of the light sources which need to be turned off correspondingly is also reduced.
As shown in fig. 2, the height of the vertical section of the light collecting and collimating structure 1 gradually increases from back to front, or gradually increases first, and then the height is substantially equal at a position close to the light merging portion 2; as shown in fig. 4, the upper and lower edges of the longitudinal section are each curved, and the curvature tends to be gentle at a portion near the light-merging portion 2. Similarly, the width of the cross section of the light-gathering collimating structure 1 gradually increases from back to front, or gradually increases first, and then the width of the portion near the light-merging portion 2 is substantially equal, as shown in fig. 5, the left edge and the right edge of the cross section are both arc-shaped, and the arc degree tends to be gentle at the portion near the light-merging portion 2.
Preferably, the primary optical element is provided with a light condensing and collimating structure 1 with a plane light incident surface, the structure is simple, the processing difficulty is low, and the manufacturing precision is ensured.
In a preferred embodiment, the gap is a wedge-shaped gap to ensure that no light channeling occurs between the light channel portions.
As a specific embodiment, the primary optical element is a plastic, silicone or glass primary optical element. Preferably, the primary optical element is a silica gel primary optical element; firstly, the silica gel has the characteristic of high temperature resistance, and can make the distance between the light source and the light incident surface 6 of the light-gathering collimation structure 1 small, so that more light rays emitted by the light source can enter from the light incident surface 6, and the utilization rate of the light rays is improved; second, the light transmittance of silica gel itself is high.
As a preferred embodiment, the front end boundary of the upper surface of the light fusion part 2 is provided with a low-beam cut-off line structure 3; at this time, the primary optical element is used as a high beam optical element, and low beam light is emitted to the low beam stop line structure 3 and refracted by the light emitting element to form a low beam stop line.
As a more specific embodiment, the front end of the upper surface of the light merging portion 2 is provided with the convex structure 4 to be able to control the brightness of the dark area of the low beam 50L so that the brightness of the dark area of the low beam 50L meets the legislative requirements. The shape of the protruding structure 4 is not fixed; specifically, as shown in fig. 3, the convex structure 4 is a triangular prism-like convex structure.
In the above technical solution, specifically, after a part of the low beam light is reflected and refracted by the protrusion structure 4, the number of light rays irradiating the 50L area of the low beam light shape is reduced, and the brightness of the 50L area is reduced, so that the light rays emitted by the headlamp module do not generate dazzling on the premise of having enough illumination, so as to avoid affecting the normal driving behavior of the driver of the opposite vehicle.
In a preferred embodiment, the upper surface of the light-fusing part 2 has an aluminum-plated reflective layer, which can improve the utilization rate of light.
As another specific embodiment, the front boundary of the upper surface of the light-merging portion 2 is provided with a high beam cut-off line structure; at this time, the primary optical element is a high beam optical element, and high beam light is emitted to the high beam cut-off line structure through the primary optical element and then refracted through the light emitting element to form a high beam cut-off line.
As another specific embodiment, a low beam cut-off line structure is provided at the front edge boundary of the lower surface of the light fusion section 2; at this time, the primary optical element is a low-beam optical element, and low-beam light is emitted to the low-beam cut-off line structure through the primary optical element and then refracted by the light-emitting element to form a low-beam cut-off line.
The embodiment of the head lamp module of the present invention, as shown in fig. 6, includes a high beam optical system and a light emitting element; the high beam optical system comprises a high beam light source 7 and a high beam optical element, wherein the high beam optical element is the primary optical element in the technical scheme, and light rays of the high beam light source 7 can pass through the high beam optical element to the light emitting element so as to form a high beam shape.
Specifically, the headlight module further comprises a low-beam optical system, which comprises a low-beam light source 8 and a low-beam optical element, wherein light of the low-beam light source 8 can pass through the low-beam optical element to the light-emitting element, so as to form a low-beam light shape.
More specifically, referring to fig. 11, 15 and 18, the low beam optical element is a low beam reflector 9, and the low beam reflector 9 corresponds to the low beam light source 8; or the low-beam optical element comprises at least one row of low-beam light-gathering cups 10 which are transversely arranged, and each low-beam light-gathering cup 10 corresponds to a corresponding low-beam light source 8; or the low-beam optical element is the primary optical element described in the above technical solution.
In a specific embodiment, the light emitting element is a lens 11.
More specifically, the front end face 5 of the light-merging section 2 of the primary optical element is provided at the focal plane of the lens 11 to make the formed light shape clearer.
As a more specific embodiment in the above technical solution, the lens 11 is a plano-convex lens or a biconvex lens. Referring to fig. 10, the lens 11 is a biconvex lens; referring to fig. 11, 12, 15 and 16, the lens 11 is a plano-convex lens; the plano-convex lens or the biconvex lens is specifically selected, and the illumination requirements can be met according to actual light.
More specifically, the light-emitting surface of the lens 11 is in a grid shape; referring to fig. 6 to 9, the light-emitting surface of the lens 11 is in a grid shape, and the light-emitting surface is formed by a plurality of convex curved surfaces, so that the light emitted from the light-emitting surface can be more diffused in the vertical direction and/or the horizontal direction, so as to obtain the required light shape of the car lamp.
Example 1
Referring to fig. 6 to 10, the embodiment includes only a high beam optical system, and includes a plurality of high beam light sources 7, a high beam optical element and a lens 11, the high beam optical element is a primary optical element described in the above technical solution, the plurality of high beam light sources 7 correspond to the plurality of condensing and collimating structures 1 of the high beam optical element, and the plurality of high beam light sources 7 can be independently switched to implement the ADB function; the light beam from the high beam light source 7 is emitted from the light fusion section 2 and then refracted by the lens 11 to form a high beam shape. Since this embodiment is applied only to the high beam illumination mode, it is not necessary to provide the convex structure 4 and the low beam cut-off line structure 3 for controlling the brightness of the dark area of the low beam 50L on the high beam optical element thereof.
Preferably, as shown in fig. 6 to 9, the light-emitting surface of the lens 11 is in a grid shape, and the light-emitting surface is formed by a plurality of convex curved surfaces, so that the light emitted from the light-emitting surface can be further diffused in the vertical direction and/or the horizontal direction to obtain the desired light shape of the vehicle lamp; more specifically, as shown in fig. 10, the lens 11 is a biconvex lens.
The headlamp module of this embodiment includes a plurality of high beam light sources 7, and it corresponds with a plurality of spotlight collimation structures 1 of high beam optical element, and a plurality of high beam light sources 7 can independently switch to realize the ADB function.
Example 2
As shown in fig. 11 and 12, the embodiment includes a low beam optical system and a high beam optical system, the low beam optical system includes a low beam light source 8 and a low beam optical element, the low beam optical element is a low beam reflector 9, and the low beam reflector 9 corresponds to the low beam light source 8; the high beam optical system comprises a high beam light source 7 and a high beam optical element, wherein the high beam optical element is the primary optical element in the technical scheme; the front end of the upper surface of the light fusion part 2 of the high beam optical element is provided with a low beam cut-off line structure 3, and the front end is provided with a convex structure 4, so as to control the brightness of the low beam 50L dark space.
Referring to fig. 12 and 13, the operation principle of this embodiment is that after the light of the low-beam light source 8 is reflected by the low-beam reflector 9, a portion of the light directly enters the lens 11 through the upper portion of the high-beam optical element, and is refracted by the lens 11 to the low-beam shaped area 14 below the low-beam cut-off line 13; another part of the light rays is emitted to the upper surface of the high beam optical element, reflected to the lens 11 through the upper surface, and refracted to the low beam shaped region 14 below the low beam cut-off line 13 through the lens 11; preferably, the upper surface of the high beam optical element is provided with an aluminized reflecting layer, so that the utilization rate of light rays can be improved; wherein a part of the light is shielded by the convex structure 4, so that the brightness of the dark area of the low beam 50L meets the requirements of the regulations; the third portion of the light beam is incident on the near-beam cut-off structure 3 and then refracted by the lens 11 to form a near-beam cut-off 13. The light of the high beam light source 7 is converged and collimated by the light-converging collimating structure 1 of the high beam optical element, then is fused and emitted by the light fusion part 2, and finally is refracted to the high beam light shape area 12 by the lens 11 to form a high beam light shape.
Referring to fig. 14, this embodiment can implement the high beam ADB function, that is, when there is a pedestrian or a vehicle in the opposite lane, in order to avoid the high beam of the vehicle dazzling the pedestrian or the vehicle, the high beam light source 7 corresponding to the area where the pedestrian or the vehicle is located may be turned off, so that the dark area is formed in this area.
Example 3
As shown in fig. 15 to 17, this embodiment includes a low-beam optical system including low-beam light sources 8 and a low-beam optical element including at least one row of low-beam light collection cups 10 arranged laterally, each low-beam light collection cup 10 corresponding to a respective low-beam light source 8; this high beam optical system corresponds to the high beam optical system in embodiment 2 described above.
As shown in fig. 17, the low-beam light focusing cup 10 has a solid structure, the outer contour of which is a curved surface structure gradually increasing from the rear end to the front end, the front end surface of which is a light emitting surface, a cavity is formed inside the low-beam light focusing cup 10, the opening of the cavity is formed on the side away from the light emitting surface, and a protrusion protruding toward the side away from the light emitting surface is formed at the bottom of the cavity. This short-distance beam light-gathering cup 10's structure can make the light that the light source that corresponds sent by fine collection, collimation, improves light utilization ratio. Of course, the low beam condensing cup 10 may not have a concave cavity inside, and is only a solid body with a curved surface structure whose outer contour gradually increases from the rear end to the front end, and has a light incident surface and a light emitting surface located at the front and rear ends, where the light incident surface and the light emitting surface may be planar or curved.
Compared with embodiment 2, the low beam condensing cup 10 of this embodiment has a small size and a high light utilization rate, and the low beam light sources 8 are arranged in a dispersed manner, so that the heat dissipation effect is improved. Further, a plurality of low beam light sources 8 can also be set as independent switches, so that when the vehicle runs in rainy days, due to the reflection of ground rainwater, the low beams may cause discomfort for the opposite vehicle driver, in this case, the low beam light sources 8 in the corresponding area can be turned off, so that no light is irradiated on the ground water in the area, and the driving comfort of the opposite vehicle driver is not influenced.
In addition, the embodiment can realize the high beam ADB function, that is, when there is a pedestrian or a vehicle in the opposite lane, in order to avoid the high beam of the vehicle dazzling the pedestrian or the vehicle, the high beam light source 7 corresponding to the area where the pedestrian or the vehicle is located can be turned off, so that the dark area is formed in the part of the area.
Example 4
As shown in fig. 18 to 20, this embodiment includes a low-beam optical system including a low-beam light source 8 and a low-beam optical element, which is the primary optical element in the above-described technical solution, a low-beam cut-off line structure is provided at a front end boundary of a lower surface of a light fusion portion 2 of the low-beam optical element to form a low-beam cut-off line; the high beam optical system includes a high beam light source 7 and a high beam optical element, the high beam optical element is also the primary optical element in the above technical solution, a high beam cut-off line structure is arranged at the front end boundary of the upper surface of the light fusion part 2 of the high beam optical element to form a high beam cut-off line; the low beam cut-off line structure and the high beam cut-off line structure are attached to each other.
The utility model discloses a car light, head-light module including among the above-mentioned technical scheme has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned head-light module embodiment brought at least.
Furthermore, the utility model discloses a vehicle, including the car light among the above-mentioned technical scheme, consequently have all beneficial effects that the technical scheme of above-mentioned car light brought at least.
As can be seen from the above description, the primary optical element of the present invention has the advantages that the light incident surface 6 and the light emitting surface of the light condensing collimation structure 1 of the primary optical element of the present invention are connected by the optical channel portions, a gap is formed between the optical channel portions, the optical channel portions are independent from each other, and light channeling does not occur between each other, so as to ensure the utilization rate of light; meanwhile, the light rays enter the light fusion part 2 for fusion after being condensed and collimated, so that gaps do not exist among the light emitting areas corresponding to the condensing and collimating structures 1, the overlapping parts among the light emitting areas are small, the uniformity of light shapes is guaranteed, when a dark area needs to be formed, the number of the light emitting areas related to the dark area is reduced, and the number of the light sources which need to be correspondingly turned off is correspondingly reduced.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (17)
1. The primary optical element is characterized by comprising a plurality of light-gathering collimation structures (1) and light fusion parts (2), wherein light inlet surfaces (6) and light outlet surfaces of the light-gathering collimation structures (1) are connected through light channel parts, and gaps are formed among the light channel parts;
the light incident surface (6) of the light condensing and collimating structure (1) is a plane light incident surface, and the sectional area of the light condensing and collimating structure (1) is increased from the light incident surface (6) to the light emergent surface;
the light emitting surface of the light condensation collimation structure (1) is connected with the rear end surface of the light fusion part (2), and the front end surface (5) of the light fusion part (2) is a cambered surface which is concave backwards.
2. The primary optical element of claim 1, wherein the gap is a wedge-shaped gap.
3. The primary optical element according to any one of claims 1 to 2, wherein the primary optical element is a plastic, silicone or glass primary optical element.
4. The primary optical element according to any one of claims 1 to 2, characterized in that a front end boundary of the upper surface of the light-merging portion (2) is provided with a low-beam cut-off line structure (3).
5. The primary optical element according to claim 4, characterized in that the front end of the upper surface of the light-merging portion (2) is provided with a convex structure (4) to enable control of the low-beam 50L dark-area brightness.
6. The primary optical element of claim 4, wherein an upper surface of the primary optical element has an aluminized reflective layer.
7. The primary optical element according to any one of claims 1 to 2, characterized in that the front boundary of the upper surface of the light-merging portion (2) is provided with a far-light cut-off line structure.
8. The primary optical element according to any one of claims 1 to 2, characterized in that a front end boundary of the lower surface of the light-merging portion (2) is provided with a low-beam cut-off line structure (3).
9. A headlamp module is characterized by comprising a high beam optical system and a light emitting element; the high beam optical system includes a high beam light source (7) and a high beam optical element, the high beam optical element being the primary optical element according to any one of claims 1 to 7, light of the high beam light source (7) being able to pass through the high beam optical element to the light exit element so as to be able to form a high beam shape.
10. The headlamp module as claimed in claim 9, further comprising a low-beam optical system, wherein the low-beam optical system comprises a low-beam light source (8) and a low-beam optical element, and light of the low-beam light source (8) can pass through the low-beam optical element to the light-emitting element, so as to form a low-beam light shape.
11. The headlight module according to claim 10, wherein the low beam optical element is a low beam reflector (9), the low beam reflector (9) corresponding to the low beam light source (8); or
The low-beam optical element comprises at least one row of low-beam light-gathering cups (10) which are transversely arranged, and each low-beam light-gathering cup (10) corresponds to the corresponding low-beam light source (8); or
The low-beam optical element being a primary optical element according to any one of claims 1 to 3 and 8.
12. A headlamp module according to claim 9, wherein the light exiting element is a lens (11).
13. The headlamp module according to claim 12, wherein the front end face (5) of the light merging portion (2) of the primary optical element is provided at a focal plane of the lens (11).
14. A headlamp module according to claim 12, wherein the lens (11) is a plano-convex lens or a biconvex lens.
15. The headlamp module as claimed in claim 12, wherein the light exit surface of the lens (11) is in a grid shape.
16. A vehicle lamp, characterized by comprising a headlamp module according to any of claims 9 to 15.
17. A vehicle comprising a lamp according to claim 16.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921972815.0U CN210740267U (en) | 2019-11-13 | 2019-11-13 | Primary optical element, headlamp module, car lamp and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921972815.0U CN210740267U (en) | 2019-11-13 | 2019-11-13 | Primary optical element, headlamp module, car lamp and vehicle |
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| CN210740267U true CN210740267U (en) | 2020-06-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022134456A1 (en) * | 2020-12-22 | 2022-06-30 | 华域视觉科技(上海)有限公司 | Adb vehicle light module, vehicle light and vehicle |
| WO2022165758A1 (en) * | 2021-02-05 | 2022-08-11 | 华域视觉科技(上海)有限公司 | Primary optical element, primary optical assembly, optical assembly, vehicle lamp lighting device and vehicle |
| WO2022166139A1 (en) * | 2021-02-05 | 2022-08-11 | 华域视觉科技(上海)有限公司 | Vehicle lamp optical element, vehicle lamp lighting device, vehicle lamp and vehicle |
| CN116221647A (en) * | 2023-05-08 | 2023-06-06 | 常州星宇车灯股份有限公司 | Car light high beam lighting system, lighting module and vehicle |
-
2019
- 2019-11-13 CN CN201921972815.0U patent/CN210740267U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022134456A1 (en) * | 2020-12-22 | 2022-06-30 | 华域视觉科技(上海)有限公司 | Adb vehicle light module, vehicle light and vehicle |
| WO2022165758A1 (en) * | 2021-02-05 | 2022-08-11 | 华域视觉科技(上海)有限公司 | Primary optical element, primary optical assembly, optical assembly, vehicle lamp lighting device and vehicle |
| WO2022166139A1 (en) * | 2021-02-05 | 2022-08-11 | 华域视觉科技(上海)有限公司 | Vehicle lamp optical element, vehicle lamp lighting device, vehicle lamp and vehicle |
| CN116221647A (en) * | 2023-05-08 | 2023-06-06 | 常州星宇车灯股份有限公司 | Car light high beam lighting system, lighting module and vehicle |
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