Ultra-thin dual-light ADB module and vehicle lamp
By using the partial overlap design of high and low light area in the dual-light ADB module and auxiliary low light illumination module, the problems of insufficient width of the low light illumination area and not bright in the high beam lens area in the prior art are solved, and wider The further lighting effect improves driving safety.
Patent Information
- Application Number
- CN202420121971.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-17
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-01-17
AI Technical Summary
In the existing dual-ray ADB module, the width of the low-ray illumination area is insufficient, which affects the driver's observation of the road surface. The high-ray lens area is not illuminated under the low-ray function, which has safety hazards and appearance defects.
An ultra-thin dual-ray ADB module is designed, using a partial overlap of high and low beam regions. Combined with an auxiliary low beam illumination module, the width of high and low beam illumination is increased, and the low beam luminous flux is increased, so that the entire outgoing surface is It can emit light under low beam function.
The width of high and low light illumination has been improved, the road illumination width requirements is met, the low light illumination effect is enhanced, the low light illumination is wider and farther, the appearance defects of the high beam lens area are not bright, and the vehicle driving is improved. Security.
Smart Images
Figure CN222459274U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automobile LED lamps, and specifically but not limited to relates to an ultra-thin dual-light ADB module and a lamp. Background Art
[0002] The existing dual-beam ADB module is usually divided into a high beam area and a low beam area, such as Figure 1 , Figure 2 As shown in the figure, the high beam light a is emitted from the high beam area, and the low beam light b is emitted from the low beam area. There is no overlap between the high beam area and the low beam area, resulting in insufficient width of the low beam illumination area, which affects the driver's observation of the road surface and creates a safety hazard for vehicle driving. At the same time, there is also an appearance defect that the high beam lens area is not bright under the low beam function. At present, the development of domestic ADB technology is slow, and most car lamp manufacturers are still in the conceptual design and planning stage.
[0003] In view of this, it is necessary to provide a new structure to solve at least part of the above problems. Utility Model Content
[0004] In response to one or more problems in the prior art, the utility model proposes an ultra-thin dual-light ADB module and a vehicle lamp, which can increase the width of high and low beam illumination, meet the requirements of road illumination width, and improve the low beam luminous flux. The entire light-emitting surface can emit light under the low beam function.
[0005] The technical solution to achieve the purpose of this utility model is:
[0006] An ultra-thin dual-light ADB module, comprising:
[0007] A lens, used for projecting the low beam light distribution and the auxiliary low beam light distribution to form a low beam light shape, and projecting the high beam light distribution to form a high beam light shape, the lens comprising a low beam area, a high and low beam overlapping area, and a high beam area;
[0008] A low beam lighting module is arranged at the rear side of the low beam area of the lens, and is used to form a low beam light distribution in the focal area of the lens and project it through the low beam area and the overlapping area of the high and low beams;
[0009] A high beam lighting module is arranged behind the high beam area and the high and low beam overlapping area of the lens, and is used to form a high beam light distribution in the focal area of the lens and project it through the high beam area and the high and low beam overlapping area;
[0010] The auxiliary low beam lighting module is arranged on the rear side of the high beam area and the high and low beam overlapping area of the lens and is located between the high beam lighting module and the lens. It is used to form the auxiliary low beam light distribution and project it through the high beam area and the high and low beam overlapping area.
[0011] Furthermore, in the ultra-thin dual-light ADB module of the utility model, one side of the lens is provided with a light emitting surface, and the other side corresponding to the light emitting surface is provided with 6 light incident surfaces, and the rear side of each light incident surface corresponds to a partition, wherein the first light incident surface, the second light incident surface, and the third light incident surface and the rear side partition thereof constitute the low beam light incident area, the fourth light incident surface and the rear side partition thereof constitute the high and low beam overlapping light incident area, and the fifth light incident surface and the sixth light incident surface and the rear side partition thereof constitute the high beam light incident area;
[0012] The low beam lighting module is arranged in the first partition, the second partition and the third partition, the high beam lighting module and the auxiliary low beam lighting module are both arranged in the fourth partition, the fifth partition and the sixth partition, and the auxiliary low beam lighting module is located between the high beam lighting module and the light incident surface; a first light blocking sheet is arranged between the third partition and the fourth partition, and a light transmission distance is arranged between one end of the first light blocking sheet and the lens, so that part of the low beam light in the third partition is projected out through the fourth light incident surface; a second light blocking sheet is arranged between the fourth partition and the fifth partition and between the fifth partition and the sixth partition, respectively, and one end of the second light blocking sheet is close to the lens so that the light in each partition is projected out only through its corresponding light incident surface.
[0013] Furthermore, the ultra-thin dual-beam ADB module of the utility model, the low beam lighting module includes a plurality of low beam optical units, each low beam optical unit includes a low beam light-emitting element and a corresponding low beam focusing element, the low beam light-emitting element is arranged in a focal area of the low beam focusing element, and the other focal area of the low beam focusing element is arranged in the focal area of the lens; the low beam focusing element is used to collect the light emitted by the low beam light-emitting element and form a low beam light distribution in the focal area of the lens.
[0014] Furthermore, in the ultra-thin dual-light ADB module of the utility model, the first partition is provided with one low-beam optical unit, and its light distribution is projected through the first light incident surface and the light exit surface to constitute the low-beam width; the second partition is provided with three low-beam optical units, and its light distribution is projected through the second light incident surface and the light exit surface to constitute the low-beam bright spot; the third partition is provided with two low-beam optical units, and its light distribution is projected through the third light incident surface, the fourth light incident surface and the light exit surface to constitute the low-beam width.
[0015] Furthermore, the ultra-thin dual-light ADB module of the utility model, the high-beam lighting module includes a plurality of high-beam optical units, each high-beam optical unit includes a high-beam light-emitting element and its corresponding high-beam focusing element, the high-beam light-emitting element is arranged in a focal area of the high-beam focusing element, and the other focal area of the high-beam focusing element is arranged in the focal area of the lens; the high-beam focusing element is used to collect the light emitted by the high-beam light-emitting element and form a high-beam light distribution in the focal area of the lens.
[0016] Furthermore, in the ultra-thin dual-light ADB module of the utility model, the fourth partition is provided with 7 high-beam optical units, and the light distribution is projected through the fourth light incident surface and the light exiting surface, the fifth partition is provided with 6 high-beam optical units, and the light distribution is projected through the fifth light incident surface and the light exiting surface, and the sixth partition is provided with 7 high-beam optical units, and the light distribution is projected through the sixth light incident surface and the light exiting surface, to together form multiple ADB pixel areas.
[0017] Furthermore, in the ultra-thin dual-beam ADB module of the utility model, the auxiliary low-beam lighting module includes a plurality of auxiliary low-beam light-emitting elements, and the auxiliary low-beam light-emitting elements are arranged between the high-beam lighting module and the lens to form an auxiliary low-beam light distribution.
[0018] Furthermore, in the ultra-thin dual-beam ADB module of the utility model, the focusing elements of the low-beam lighting module and the high-beam lighting module include ellipsoidal reflectors, parabolic reflectors or concentrators; the light-emitting elements of the low-beam lighting module, the high-beam lighting module and the auxiliary low-beam lighting module include at least one LED chip and surrounding circuits.
[0019] A vehicle lamp comprises any one of the above-mentioned ultra-thin dual-light ADB modules.
[0020] Compared with the prior art, the utility model adopts the above technical solution and has the following technical effects:
[0021] 1. The ultra-thin dual-light ADB module of the utility model adopts a design in which the high and low beam areas are partially overlapped, thereby increasing the width of the high and low beam illumination and meeting the road illumination width requirements.
[0022] 2. The ultra-thin dual-light ADB module of the utility model adopts auxiliary low-beam lighting, which improves the low-beam luminous flux and realizes that the entire light-emitting surface can emit light under the low-beam function, making the low-beam illumination wider and farther, avoiding the appearance defect of the high-beam lens area being less bright under the low-beam function.
[0023] 3. The ultra-thin dual-beam ADB module of the utility model has a compact structure, novel conception, and has the functions of low beam and ADB high beam, providing an ingenious implementation method for the design of ADB systems, especially dual-beam ADB systems. At the same time, it has a small size, light weight, and fully optimized costs, creating conditions for the popularization of headlamps with ADB functions. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] The accompanying drawings are used to provide a further understanding of the present invention and are used together with the description to explain the embodiments of the present invention, but do not constitute a limitation of the present invention. In the accompanying drawings:
[0025] Figure 1 A front schematic diagram of the structure of an existing dual-light ADB module is shown.
[0026] Figure 2 The figure shows the reverse side of the structure of the existing dual-light ADB module.
[0027] Figure 3 The front structural schematic diagram of the ultra-thin dual-light ADB module of the utility model is shown.
[0028] Figure 4 The reverse structural diagram of the ultra-thin dual-light ADB module of the utility model is shown.
[0029] Figure 5 A schematic diagram of light rays under the low beam function of the ultra-thin dual-light ADB module of the present invention is shown.
[0030] Figure 6 A schematic diagram showing a part of the low beam of the ultra-thin dual-light ADB module of the present invention being emitted from the high beam area.
[0031] Meaning of the accompanying symbols: a, low beam, b, high beam, c, auxiliary low beam, 1, lens, 11, first light incident surface, 12, second light incident surface, 13, third light incident surface, 14, fourth light incident surface, 15, fifth light incident surface, 16, sixth light incident surface, 2, low beam lighting module, 21, low beam light-emitting element, 22, low beam focusing element, 3, high beam lighting module, 31, high beam light-emitting element, 32, high beam focusing element, 4, auxiliary low beam lighting module, 5, low beam area, 6, high and low beam overlapping area, 7, high beam area, 8, first light shielding plate, 9, second light shielding plate. DETAILED DESCRIPTION
[0032] In order to further understand the present invention, preferred embodiments of the present invention are described below in conjunction with examples. However, it should be understood that these descriptions are only for further illustrating the features and advantages of the present invention, rather than limiting the claims of the present invention.
[0033] The description in this section is only for typical embodiments, and the present invention is not limited to the scope of the embodiments. The combination of different embodiments, the mutual replacement of some technical features in different embodiments, and the mutual replacement of the same or similar prior art means with some technical features in the embodiments are also within the scope of the description and protection of the present invention.
[0034] According to one aspect of the present invention, an ultra-thin dual-light ADB module, such as Figure 3 , Figure 4 As shown, it includes a lens 1, a low beam lighting module 2, a high beam lighting module 3 and an auxiliary low beam lighting module 4, wherein:
[0035] The lens 1 is used for projecting the low beam light distribution and the auxiliary low beam light distribution to form a low beam light shape, and for projecting the high beam light distribution to form a high beam light shape. The lens includes a low beam area 5, a high and low beam overlapping area 6 and a high beam area 7.
[0036] The low beam lighting module 2 is arranged at the rear side of the low beam area 5 of the lens 1 , and is used to form a low beam light distribution in the focal area of the lens 1 and project it through the low beam area 5 and the high and low beam overlapping area 6 .
[0037] The high beam lighting module 3 is arranged behind the high beam area 7 and the high and low beam overlapping area 6 of the lens 1, and is used to form a high beam light distribution in the focal area of the lens 1 and project it through the high beam area 7 and the high and low beam overlapping area 6.
[0038] The auxiliary low beam lighting module 4 is arranged behind the high beam area 7 and the high and low beam overlapping area 6 of the lens 1, and is located between the high beam lighting module 3 and the lens 1, and is used to form an auxiliary low beam light distribution and project it through the high beam area 7 and the high and low beam overlapping area 6.
[0039] In one embodiment, one side of the lens 1 is provided with a light emitting surface, and the other side corresponding to the light emitting surface is provided with six light incident surfaces, and the rear side of each light incident surface corresponds to a partition, such as Figure 3 , Figure 4 The first light incident surface 11, the second light incident surface 12 and the third light incident surface 13 and their rear side partitions constitute the low beam light incident area, the fourth light incident surface 14 and its rear side partition constitute the high and low beam overlapping light incident area, and the fifth light incident surface 15 and the sixth light incident surface 16 and their rear side partitions constitute the high beam light incident area.
[0040] The low beam lighting module 2 is arranged in the first, second and third partitions, the high beam lighting module 3 and the auxiliary low beam lighting module 4 are arranged in the fourth, fifth and sixth partitions, and the auxiliary low beam lighting module 4 is located between the high beam lighting module 3 and the light incident surface.
[0041] A first light shielding sheet 8 is provided between the third partition and the fourth partition, and a light transmission distance is provided between one end of the first light shielding sheet 8 and the lens 1, so that part of the low beam light a in the third partition is projected out through the fourth light incident surface 14. A second light shielding sheet 9 is provided between the fourth partition and the fifth partition, and between the fifth partition and the sixth partition, respectively. One end of the second light shielding sheet 9 is close to the lens 1 so that the high beam light b in each partition is projected out only through its corresponding light incident surface, and the distance between one end of the second light shielding sheet 9 and the lens 1 is less than 1mm. A third light shielding sheet is provided between the second partition and the third partition, and one end of the third light shielding sheet is close to the lens 1 to isolate the light between the two partitions, so that the low beam light a in the second partition is projected out only through the second light incident surface corresponding to the second partition, and the low beam light a in the third partition is projected out only through the third light incident surface corresponding to the third partition, and the distance between one end of the third light shielding sheet and the lens 1 is less than 1mm.
[0042] In one embodiment, the low beam lighting module 2 includes a plurality of low beam optical units, each of which includes a low beam light emitting element 21 and a corresponding low beam focusing element 22, wherein the low beam light emitting element 21 is arranged at a focal area of the low beam focusing element 22, and another focal area of the low beam focusing element 22 is arranged at a focal area of the lens 1; the low beam focusing element 22 is used to collect the low beam light a emitted by the low beam light emitting element 21 and form a low beam light distribution in the focal area of the lens 1. Preferably, the low beam light emitting element 21 includes at least one LED chip and its circuit board. Preferably, the low beam focusing element 22 is an ellipsoidal reflector, a parabolic reflector or a concentrator. The high-beam lighting module 3 includes a plurality of high-beam optical units, each of which includes a high-beam light-emitting element 31 and a corresponding high-beam focusing element 32, wherein the high-beam light-emitting element 31 is arranged at a focal area of the high-beam focusing element 32, and another focal area of the high-beam focusing element 32 is arranged at the focal area of the lens 1; the high-beam focusing element 32 is used to collect the high-beam light b emitted by the high-beam light-emitting element 31 and form a high-beam light distribution in the focal area of the lens 1. Preferably, the high-beam light-emitting element 31 includes at least one LED chip and a circuit board thereof. Preferably, the high-beam focusing element 32 is an ellipsoidal reflector, a parabolic reflector or a concentrator. The auxiliary low-beam lighting module 4 includes a plurality of auxiliary low-beam light-emitting elements, wherein the auxiliary low-beam light-emitting elements are arranged between the high-beam lighting module 3 and the lens 1, and the auxiliary low-beam light c emitted by the auxiliary low-beam light-emitting elements forms an auxiliary low-beam light distribution between the high-beam lighting module 3 and the lens 1. Preferably, the auxiliary low-beam light-emitting element 4 includes at least one LED chip and a circuit board thereof. The LED chips of the low-beam light-emitting element 21 , the high-beam light-emitting element 31 and the auxiliary low-beam light-emitting element may be connected to the same circuit board or to different circuit boards.
[0043] When the low beam function is turned on, the low beam lighting module 2 and the auxiliary low beam lighting module 4 work together to form a low beam light distribution and an auxiliary low beam light distribution respectively. The low beam light distribution and the auxiliary low beam light distribution are projected into a low beam light shape through the lens 1, such as Figure 5 As shown, at the same time, the low beam focusing element 22 located in the third subarea is tilted toward the fourth subarea or a reflecting surface is added so that part of the low beam light a in the third subarea is emitted from the fourth subarea, as shown in FIG. Figure 6 As shown. By adopting the auxiliary low beam lighting module 4, the overall low beam luminous flux is improved, and the entire light emitting surface can emit light under the low beam function, so that the low beam can illuminate wider and farther, avoiding the appearance defect of the high beam lens area being less bright under the low beam function. When the high beam function is turned on, the high beam lighting module 3 works to form a high beam light distribution, which is projected through the lens 1 to form multiple ADB pixel areas.
[0044] In a specific embodiment, Figure 3 , Figure 4 As shown, the first subarea is provided with one low beam optical unit, whose light distribution is projected through the first light incident surface 11 and the light exit surface and constitutes the low beam width; the second subarea is provided with three low beam optical units, whose light distribution is projected through the second light incident surface 12 and the light exit surface and constitutes the low beam bright spot; the third subarea is provided with two low beam optical units, whose light distribution is projected through the third light incident surface 13, the fourth light incident surface 14 and the light exit surface to constitute the low beam width. The fourth subarea is provided with seven high beam optical units, whose light distribution is projected through the fourth light incident surface 14 and the light exit surface; the fifth subarea is provided with six high beam optical units, whose light distribution is projected through the fifth light incident surface 15 and the light exit surface; the sixth subarea is provided with seven high beam optical units, whose light distribution is projected through the sixth light incident surface 16 and the light exit surface; each high beam light distribution together forms a plurality of ADB pixel areas.
[0045] According to another aspect of the present invention, a vehicle lamp includes the aforementioned ultra-thin dual-light ADB module.
[0046] The ultra-thin dual-beam ADB module proposed by the utility model increases the width of the high and low beam illumination by the design of partial overlap of the high and low beam areas, thus meeting the road illumination width requirement. At the same time, auxiliary low beam lighting is adopted to increase the low beam luminous flux, so that the entire light-emitting surface can emit light under the low beam function, making the low beam illuminate wider and farther, and avoiding the appearance defect of the low beam lens area being less bright under the low beam function. The module has a compact structure and novel concept, and has the functions of low beam and ADB high beam, providing an ingenious implementation method for the design of ADB systems, especially dual-beam ADB systems. At the same time, it is small in size, light in weight, and the cost is fully optimized, creating conditions for the popularization of headlights with ADB functions.
[0047] The description and application of the utility model here are illustrative, and it is not intended to limit the scope of the utility model to the above-mentioned embodiments. The relevant descriptions of the effects or advantages involved in the specification may not be reflected in the actual experimental examples due to the uncertainty of specific condition parameters or other factors, and the relevant descriptions of the effects or advantages are not used to limit the scope of the utility model. The deformation and changes of the embodiments disclosed here are possible, and the replacement of the embodiments and the various equivalent components are well known to those of ordinary skill in the art. It should be clear to those skilled in the art that the utility model can be implemented in other forms, structures, arrangements, proportions, and with other components, materials and parts without departing from the spirit or essential features of the utility model. Other deformations and changes can be made to the embodiments disclosed here without departing from the scope and spirit of the utility model.
Claims
1. An ultra-thin dual-light ADB module, characterized in that: include: A lens, used for projecting the low beam light distribution and the auxiliary low beam light distribution to form a low beam light shape, and projecting the high beam light distribution to form a high beam light shape, the lens comprising a low beam area, a high and low beam overlapping area, and a high beam area; A low beam lighting module is arranged at the rear side of the low beam area of the lens, and is used to form a low beam light distribution in the focal area of the lens and project it through the low beam area and the overlapping area of the high and low beams; A high beam lighting module is arranged behind the high beam area and the high and low beam overlapping area of the lens, and is used to form a high beam light distribution in the focal area of the lens and project it through the high beam area and the high and low beam overlapping area; The auxiliary low beam lighting module is arranged on the rear side of the high beam area and the high and low beam overlapping area of the lens and is located between the high beam lighting module and the lens. It is used to form the auxiliary low beam light distribution and project it through the high beam area and the high and low beam overlapping area.
2. The ultra-thin dual-light ADB module according to claim 1, characterized in that: One side of the lens is provided with a light emitting surface, and the other side corresponding to the light emitting surface is provided with 6 light incident surfaces, and the rear side of each light incident surface corresponds to a partition, wherein the first light incident surface, the second light incident surface, and the third light incident surface and the partitions behind them constitute a low beam light incident area, the fourth light incident surface and the partitions behind them constitute a high and low beam overlapping light incident area, and the fifth light incident surface and the sixth light incident surface and the partitions behind them constitute a high beam light incident area; The low beam lighting module is arranged in the first partition, the second partition and the third partition, the high beam lighting module and the auxiliary low beam lighting module are both arranged in the fourth partition, the fifth partition and the sixth partition, and the auxiliary low beam lighting module is located between the high beam lighting module and the light incident surface; a first light blocking sheet is arranged between the third partition and the fourth partition, and a light transmission distance is arranged between one end of the first light blocking sheet and the lens, so that part of the low beam light in the third partition is projected out through the fourth light incident surface; a second light blocking sheet is arranged between the fourth partition and the fifth partition and between the fifth partition and the sixth partition, respectively, and one end of the second light blocking sheet is close to the lens so that the light in each partition is projected out only through its corresponding light incident surface.
3. The ultra-thin dual-light ADB module according to claim 1 or 2, characterized in that: The low beam lighting module includes a plurality of low beam optical units, each of which includes a low beam light-emitting element and a corresponding low beam focusing element, the low beam light-emitting element is arranged in a focal area of the low beam focusing element, and another focal area of the low beam focusing element is arranged in a focal area of the lens; the low beam focusing element is used to collect the light emitted by the low beam light-emitting element and form a low beam light distribution in the focal area of the lens.
4. The ultra-thin dual-light ADB module according to claim 3, characterized in that: The first partition is provided with one low beam optical unit, whose light distribution is projected through the first light entrance surface and the light exit surface and constitutes the low beam width; the second partition is provided with three low beam optical units, whose light distribution is projected through the second light entrance surface and the light exit surface and constitutes the low beam bright spot; the third partition is provided with two low beam optical units, whose light distribution is projected through the third light entrance surface, the fourth light entrance surface and the light exit surface and constitutes the low beam width.
5. The ultra-thin dual-light ADB module according to claim 1 or 2, characterized in that: The high-beam lighting module includes a plurality of high-beam optical units, each of which includes a high-beam light-emitting element and a corresponding high-beam focusing element, the high-beam light-emitting element is arranged in a focal area of the high-beam focusing element, and another focal area of the high-beam focusing element is arranged in the focal area of the lens; the high-beam focusing element is used to collect the light emitted by the high-beam light-emitting element and form a high-beam light distribution in the focal area of the lens.
6. The ultra-thin dual-light ADB module according to claim 5, characterized in that: The fourth subarea is provided with 7 high-beam optical units, whose light distribution is projected through the fourth light entrance surface and the light exit surface. The fifth subarea is provided with 6 high-beam optical units, whose light distribution is projected through the fifth light entrance surface and the light exit surface. The sixth subarea is provided with 7 high-beam optical units, whose light distribution is projected through the sixth light entrance surface and the light exit surface, together forming multiple ADB pixel areas.
7. The ultra-thin dual-light ADB module according to claim 1 or 2, characterized in that: The auxiliary low beam lighting module comprises a plurality of auxiliary low beam light emitting elements, which are arranged between the high beam lighting module and the lens and form an auxiliary low beam light distribution.
8. The ultra-thin dual-light ADB module according to claim 1 or 2, characterized in that: The focusing elements of the low beam lighting module and the high beam lighting module include ellipsoidal reflectors, parabolic reflectors or concentrators; the light-emitting elements of the low beam lighting module, the high beam lighting module and the auxiliary low beam lighting module include at least one LED chip and surrounding circuits.
9. A vehicle lamp, characterized in that: It comprises the ultra-thin dual-light ADB module as described in any one of claims 1-8.