CN217302661U - Optical module for vehicle headlamp and headlamp device - Google Patents
Optical module for vehicle headlamp and headlamp device Download PDFInfo
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- CN217302661U CN217302661U CN202221005268.0U CN202221005268U CN217302661U CN 217302661 U CN217302661 U CN 217302661U CN 202221005268 U CN202221005268 U CN 202221005268U CN 217302661 U CN217302661 U CN 217302661U
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Abstract
The utility model discloses an optical module, head-light device for vehicle headlamps. The device belongs to the field of automobile spare and accessory parts and comprises a far and near LED light source, an integrally formed primary optical unit and a secondary optical unit; the far and near LED light source comprises a near light source, a far light source and a far light supplementary light source; the integrated primary optical unit comprises a low-beam light condensing structure, a high-beam light supplementing and condensing structure and a light guide plate; the secondary optical unit comprises a far-near light lens light-in surface, a far-light supplementary light lens light-in surface, a lens light-out surface and the like; the utility model discloses the integrated level is high, through the light guide plate the light screen integrated, and can be better let light be total reflection in light guide plate inside, guide the export to the light and can improve the optics utilization ratio like this, whole car light not only brighter, more even, efficiency is higher.
Description
Technical Field
The utility model belongs to the automobile spare and accessory part field relates to an optical module for vehicle headlamps, and is specific relates to an optical module, head-light device for vehicle headlamps that miniaturization and part concentration are high.
Background
At present, with the wider and wider use of automobiles, people have more and more intensive research on automobiles. The automobile headlamp is very heavy equipment when an automobile walks at night. In the existing light module systems, the headlights need to provide a larger space for arranging the light modules, while more and more vehicle enterprises pursue smaller sized lenses with different lens patterns for light modules of vehicle headlights, which presents a huge challenge for small opening designs that particularly require dual functionality. Light modules for vehicle headlamps are known from the prior art. Known from the prior art, for example, document CN211822202U describes a light module having a light source, a primary optical element, a light shield and a secondary optical element, which has the following disadvantages: the relative size is large, and the size of the whole headlamp is large due to the large size of the lens, particularly the size in the height direction of the vehicle; therefore, how to solve the above problems becomes a matter of thought.
SUMMERY OF THE UTILITY MODEL
To foretell problem, the utility model provides a miniaturized, part integrate than higher, be used for vehicle headlamps optical module, head-light device, its integrated level is high, the assembly is simple, and has less size, can realize difunctional through this module simultaneously, projection to passing light beam and high beam light beam promptly.
The technical scheme of the utility model is that: the utility model relates to an optical module and a headlamp device for a vehicle headlamp,
comprises a far-near LED light source and an integrally formed primary optical unit;
the far and near LED light source comprises a near light source, a far light source and a far light supplementary light source;
the integrated primary optical unit comprises a low-beam light condensing structure, a high-beam light supplementing and condensing structure and a light guide plate.
Furthermore, the light guide plate is in a T shape and comprises a front plate and a rear plate which are connected with each other,
a plurality of near light condensing structures and far light condensing structures are uniformly distributed on the front wall of the front plate;
and a low-beam light source is arranged at the front end of the low-beam light condensing structure, and a high-beam light source is arranged at the front end of the high-beam light condensing structure.
Further, a high beam light supplementing and condensing structure is further installed at two ends of the front wall of the front plate, and a high beam light supplementing and condensing light source is installed at the front end of the high beam light supplementing and condensing structure;
and round holes are respectively arranged at the lower sides of the high beam light supplementing and condensing structures.
Furthermore, a near light guide plate light-emitting surface is arranged on one side of the rear plate, which is far away from the front plate, and a far-near light cut-off boundary line is arranged at the lower end of the near light guide plate light-emitting surface.
Furthermore, a high beam primary light emitting surface is arranged at the joint of the front plate and the rear plate in the light guide plate;
and a far and near light guide plate interface is arranged in the middle of the lower wall of the rear plate.
Furthermore, a secondary optical unit matched with the other end of the light guide plate is also arranged at the other end of the light guide plate;
the secondary optical unit comprises a far and near light lens light-in surface matched with the light-out surface of the low-beam light guide plate, and far light supplementary lens light-in surfaces are arranged at two ends of the far and near light lens light-in surface;
the back wall of the secondary optical unit is a lens light-emitting surface.
Further, the secondary optical unit is a biconvex lens.
The beneficial effects of the utility model are that: the utility model discloses the integrated level is high, through the light guide plate the light screen integration, and can be better let light at light guide plate internal total reflection, to light guide export can improve optical utilization ratio like this, whole car light not only brighter, more even, efficiency is higher.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a bottom view of the structure of the present invention;
fig. 4 is a top view of the structure of the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
fig. 6 is a front view of the present invention;
FIG. 7 is a cross-sectional view B-B of FIG. 6;
in the figure, 1 is a far and near LED light source, 101 is a near light source, 102 is a far light source, and 103 is a far light supplement light source;
2, an integrally formed primary optical unit, 201, 202, 203, 204, 205, 206, 207, 208, a low-beam light-condensing structure, a high-beam light-supplementing light-condensing structure, a light-guiding plate, 205, an exit surface of the low-beam light-guiding plate, 206, a far-near light-cutoff boundary line, an interface of the high-beam light-guiding plate and the low-beam light-guiding plate, respectively;
and 3, a secondary optical unit, 301 a far-near light lens light incident surface, 302 a far-light supplementary light lens light incident surface, and 303 a lens light emitting surface.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings:
as shown in the figure; a optical module, head-light device for vehicle headlamps, include: an optical member: the LED light source comprises a far and near LED light source 1, a primary optical unit 2 and a secondary optical unit 3 which are integrally formed;
the far and near LED light source 1 comprises a near light source 101, a far light source 102 and a far light supplement light source 103;
the integrally formed primary optical unit 2 includes a low beam condensing structure 201, a high beam condensing structure 202, a high beam light supplementing and condensing structure 203, a light guide plate 204, a low beam light guide plate light-emitting surface 205, a high and low beam cut-off boundary line 206, a high and low beam light guide plate interface 207, and a high beam primary light-emitting surface 208;
the secondary optical unit 3 is a biconvex lens, and includes a far-near light lens light incident surface 301, a far-near light fill-in lens light incident surface 302 and a lens light emergent surface 303;
the function of the high-low LED light source 1 is to generate high beam and low beam,
wherein, the number of the low-beam light sources 101 is 3-7, preferably 5, the low-beam light sources are in one-to-one correspondence with the low-beam light focusing structures 201 of the integrally formed primary optical unit 2, the low-beam light focusing structures 201 are arranged at the focal points of the low-beam light focusing structures 201 and are arranged side by side in the transverse direction of the vehicle, and the low-beam light focusing structures 201 are micro lenses or light focusing cups;
the number of the high beam light sources 102 is 3-7, preferably 5, and the high beam light sources are in one-to-one correspondence with the high beam light-condensing structures 202 of the integrally-formed primary optical unit 2, are arranged at the focal points of the high beam light-condensing structures 202, and are arranged side by side in the lateral direction of the vehicle, and are simultaneously arranged below the low beam light sources 101, and the high beam light-condensing structures 202 are microlenses or light-condensing cups;
the number of the high beam light supplement light sources 103 is 1-2, preferably 2, the high beam light supplement light sources are located on the two lateral sides of the low beam light source 101, symmetrically distributed, in one-to-one correspondence with the high beam light supplement light condensing structures 203 of the integrally formed primary optical unit 2, and arranged at the focal points of the high beam light supplement light condensing structures 203;
the low beam light source 101, the high beam light source 102, the high beam fill light source 103 and other devices are connected with wired lines and are connected to the vehicle through the connected wired lines;
the light guide plate 204 is disposed in front of the low beam condensing structure 201 of the integrated primary optical unit 2, the side surfaces of the light guide plate 204 are flat, the thickness of the light guide plate 204 is set to 10mm, the light guide plate 204 makes the low beam totally reflected in the light guide body to guide the low beam to the light exit surface 205 of the low beam light guide plate, so as to improve the optical utilization rate,
the surface of the far and near light guide plate interface 207 of the light guide plate 204 is coated with a metal coating, preferably aluminized, as a far light reflecting surface, to improve the optical efficiency,
the far-near light cut boundary line 206 is a lower boundary of the low-beam light guide plate light emitting surface 205, the low-beam light guide plate light emitting surface 205 is a concave curved surface,
the whole optical module and the whole headlamp device for the vehicle headlamp tend to be symmetrically distributed;
the light incident surface of the lens structure is an intermittent curved surface, the middle curved surface is a far-near light lens light incident surface 301, the two equal independent curved surfaces on the two sides are a far-light supplementing lens light incident surface 302, and the lens light emergent surface 303 is a continuous curved surface.
The utility model realizes the projection of the high beam light beam and the dipped headlight through only one secondary optical unit 3 with smaller size in the height direction, namely a thick lens, so as to realize the optical module with double functions and smaller size; the utility model discloses need not to realize different functions through a plurality of optical module, need not to throw distance light beam and dipped headlight light beam respectively through two independent optical module for example, therefore have function integration, the less advantage of size, can save vehicle headlamps's space, optimize the arrangement of headlamp; in addition, the utility model has the advantages of integrated functions and smaller size, which is also beneficial to the light weight of the vehicle head lamp and the light weight of the whole vehicle; an increase in the endurance of the vehicle and a reduction in fuel consumption are achieved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A light module for a vehicle headlamp, a headlamp apparatus,
comprises a far and near LED light source and an integrated primary optical unit;
the far and near LED light source comprises a near light source, a far light source and a far light supplementary light source;
the integrated primary optical unit comprises a low-beam light condensing structure, a high-beam light supplementing and condensing structure and a light guide plate.
2. A light module, headlight arrangement for a vehicle headlight, according to claim 1,
the light guide plate is T-shaped and comprises a front plate and a rear plate which are connected with each other,
a plurality of near light condensing structures and far light condensing structures are uniformly distributed on the front wall of the front plate;
and a low-beam light source is arranged at the front end of the low-beam light condensing structure, and a high-beam light source is arranged at the front end of the high-beam light condensing structure.
3. A light module for a vehicle headlight, headlight arrangement according to claim 2,
a high beam light supplementing and condensing structure is further arranged at two ends of the front wall of the front plate, and a high beam light supplementing and condensing light source is arranged at the front end of the high beam light supplementing and condensing structure;
and round holes are respectively arranged at the lower sides of the high beam light supplementing and condensing structures.
4. A light module for a vehicle headlight, headlight arrangement according to claim 2,
a near light guide plate light-emitting surface is arranged on one side, far away from the front plate, of the rear plate, and a far and near light cut-off boundary line is arranged at the lower end of the near light guide plate light-emitting surface.
5. A light module, headlight arrangement for a vehicle headlight, according to claim 2,
a high beam primary light-emitting surface is arranged at the joint of the front plate and the rear plate in the light guide plate;
and a far and near light guide plate interface is arranged in the middle of the lower wall of the rear plate.
6. A light module, a headlamp device for a vehicle headlamp according to claim 2, wherein a secondary optical unit adapted thereto is further installed at the other end of the light guide plate;
the secondary optical unit comprises a far-near light lens light-in surface matched with the near-light guide plate light-out surface, and far-light supplementary lens light-in surfaces are arranged at two ends of the far-near light lens light-in surface;
the back wall of the secondary optical unit is a lens light-emitting surface.
7. A light module for a vehicle headlight, headlight arrangement according to claim 6,
the secondary optical unit is a lenticular lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221005268.0U CN217302661U (en) | 2022-04-28 | 2022-04-28 | Optical module for vehicle headlamp and headlamp device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221005268.0U CN217302661U (en) | 2022-04-28 | 2022-04-28 | Optical module for vehicle headlamp and headlamp device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217302661U true CN217302661U (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221005268.0U Active CN217302661U (en) | 2022-04-28 | 2022-04-28 | Optical module for vehicle headlamp and headlamp device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217302661U (en) |
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2022
- 2022-04-28 CN CN202221005268.0U patent/CN217302661U/en active Active
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