Light condenser, high beam module, vehicle lamp and vehicle
By introducing a concentrator with a downward convex structure into the high beam module, the light is focused and reflected to the light-emitting element, expanding the illumination range of the upper boundary area of the high beam pattern, solving the problem of insufficient high beam pattern, and improving the driver's high beam illumination vision and safety.
Patent Information
- Application Number
- CN202520201146.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-08
AI Technical Summary
The existing high beam module has insufficient illumination range in the upper boundary area of the high beam pattern, resulting in insufficient visibility for drivers under high beam illumination, which may lead to traffic violations or accidents.
Design a concentrator comprising a concentrating unit and a downward convex structure. After the light is focused by the concentrating unit, it is directed downwards to the reflective surface of the downward convex structure. After reflection, the light is emitted to the light-emitting element and projected upwards to the upper boundary area of the far-beam pattern, thereby increasing the illumination range.
By increasing the illumination range of the upper boundary area of the high beam pattern, the driver's visibility under high beam conditions is improved, thus enhancing driving safety.
Smart Images
Figure CN223709386U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to automobile headlamp module, concretely, relate to a light collector, furthermore, the utility model relates to a high beam module, a vehicle lamp and a vehicle. BACKGROUND
[0002] The automobile high beam is a kind of lamp for long-distance lighting, is installed in the big lamp of the two sides of automobile front part, and the light emitted is more concentrated, and the brightness is larger, can be illuminated to more distant higher object.In night high-speed driving, high beam needs to provide illumination continuously and stably, to ensure the field of vision of driver, to ensure that driver can see the road condition and traffic sign at long distance, so that driver has sufficient time to respond.
[0003] The prior art high beam module adopts the scheme of light collector, and the upper light-emitting angle of high beam light type is generally about 5 degrees, in actual road surface, the brightness of the illuminated signboard in front 50m is about 0.05lx (lux), after the actual high beam is switched to high beam, the illumination of driver is not strong, possibly leading to that driver cannot identify the signboard in front, easily leading to that driver has traffic violation behavior, even causes traffic safety accident.
[0004] Therefore, it is needed to design a light collector capable of improving the upper side height of high beam light type. UTILITY MODEL CONTENTS
[0005] One of the purposes of the utility model is to provide a light collector, which can increase the irradiation range of the upper side boundary area of high beam light type, and improve driving safety.
[0006] The second purpose of the utility model is to provide a high beam module, which can improve the irradiation range of the upper side boundary area of high beam light type, and improve driving safety.
[0007] The third purpose of the utility model is to provide a vehicle lamp, the far end of the vehicle lamp and the space lighting effect are better, which is conducive to improving the driving field of view of driver under high beam condition, and improves driving safety.
[0008] The fourth purpose of the utility model is to provide a vehicle, the far end of the vehicle and the space lighting effect are better, which can make driver have better driving field of view under high beam condition, and improves driving safety.
[0009] In order to achieve the above object, the utility model provides a light collector, the light collector and light source and light emitting element cooperate and constitute high beam module, the light collector includes light collection unit and sets up lower convex structure under the light collection unit, the lower convex structure includes lower convex structure reflection surface and lower convex structure light emitting surface, the light of light source emission is suitable for after the light collector converges again after the light emitting element emission forms high beam light type, wherein, part light of light source emission enters the light collection unit and downwardly shoots to the lower convex structure reflection surface, after the lower convex structure reflection surface reflection, after the lower convex structure light emitting surface emission, the light of emission transmission to the light emitting element, and after the light emitting element, upwardly project to the upper side boundary area of high beam light type.
[0010] Specifically, the light collection unit includes a plurality of sub-light collection units arranged transversely, the light source includes a plurality of sub-light sources corresponding to the sub-light collection units, and at least part of the sub-light collection units are provided with the lower convex structure on the lower side.
[0011] Preferably, the lower side of at least two of the sub-light collection units located on both sides of the central sub-light collection unit is provided with the lower convex structure.
[0012] Specifically, the intersection line of the vertical section of the lower convex structure light emitting surface and the optical axis of the light emitting element is greater than or equal to 63° and less than or equal to 73°.
[0013] Preferably, the lower convex structure light emitting surface is provided with a columnar pattern extending vertically.
[0014] Specifically, the lower convex structure and the light collection unit are an integral molded part.
[0015] Specifically, the lower convex structure light emitting reflection surface is an elliptical surface, a quasi-elliptical surface, a parabolic surface, or a quasi-parabolic surface.
[0016] The utility model provides a high beam module in the second aspect, the high beam module includes the light source, the light emitting element and the light collector of any one of the above technical solutions, the light emitting element is a lens, the light of light source emission is suitable for after the light collector converges again after the lens emission forms high beam light type, wherein, part light of light source emission enters the light collection unit and downwardly shoots to the lower convex structure reflection surface, after the lower convex structure reflection surface reflection, after the lower convex structure light emitting surface emission, the light of emission transmission to the lens, and after the lens, upwardly project to the upper side boundary area of high beam light type.
[0017] The utility model provides a car lamp in the third aspect, the car lamp includes the high beam module of the above technical solutions or includes the light collector of any one of the above technical solutions.
[0018] The fourth aspect of the utility model provides a kind of vehicle, which comprises the vehicle light of the above technical solution.
[0019] Through the above technical scheme, the condenser of the utility model can converge the light emitted by the corresponding light source, and the converged light forms a high beam light pattern after being emitted by the light emitting element. The lower side of the condenser of the present application is provided with a lower convex structure. Part of the light emitted by the light source enters the condensing unit and is directed downward to the reflection surface of the lower convex structure. After being reflected by the reflection surface of the lower convex structure, the light is emitted through the light emitting surface of the lower convex structure. The emitted light is transmitted to the light emitting element and is projected upward to the upper boundary area of the high beam light pattern after passing through the light emitting element. Compared with the prior art without the lower convex structure, the present application makes the lowermost end of the effective light emitting area of the condenser in the vertical direction lower by providing the lower convex structure. This allows the light to be emitted from a lower position of the light emitting surface of the condenser and to be emitted from a lower position of the light entering surface of the light emitting element. After being refracted by the light emitting element, the light is emitted from the light emitting surface of the light emitting element at a larger upward angle. This allows the light to be projected to a position higher in the high beam light pattern, increases the illumination range of the upper boundary area of the high beam light pattern, and makes the high beam light pattern have a larger illumination range. This improves the far-end and space lighting effect and helps to improve the driving visibility of the driver under high beam illumination, thereby improving driving safety. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 is an exploded view of the high beam module of the embodiment of the utility model;
[0021] Figure 2 is a front view of the condenser of the embodiment of the utility model;
[0022] Figure 3 is a left view of the condenser of the embodiment of the utility model;
[0023] Figure 4 is a rear view of the condenser of the embodiment of the utility model;
[0024] Figure 5 is a top view of the condenser of the embodiment of the utility model;
[0025] Figure 6 is one of the perspective views of the condenser of the embodiment of the utility model;
[0026] Figure 7 is the second perspective view of the condenser of the embodiment of the utility model;
[0027] Figure 8 is a structure comparison diagram of the condenser of the embodiment of the utility model and the condenser without the lower convex structure;
[0028] Figure 9 isFigure 4 A schematic diagram of the optical path of the high beam module with a protruding structure set in the AA cross-sectional view;
[0029] Figure 10 This is a schematic diagram of the optical path of a high beam module without a downward convex structure;
[0030] Figure 11 yes Figure 9 and Figure 10 Comparison diagram of optical paths;
[0031] Figure 12 It is a high beam pattern diagram formed by existing high beam modules;
[0032] Figure 13 This is a high beam pattern diagram formed by the high beam module according to a specific embodiment of this application.
[0033] Explanation of reference numerals in the attached figures
[0034] 1. Light-emitting element 2. Concentrator
[0035] 201 sub-concentrating units, 3 light sources
[0036] 301 Sub-light Source 4-convex Structure
[0037] 401 Convex Reflective Surface; 402 Convex Light-Emitting Surface
[0038] 5 columnar patterns Detailed Implementation
[0039] The embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The detailed description of the following embodiments and the accompanying drawings are used to illustrate the principles of this utility model by way of example, but should not be used to limit the scope of this utility model. This utility model can be implemented in many different forms and is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
[0040] These embodiments are provided to make the present invention thorough and complete, and to fully express the scope of the present invention to those skilled in the art. It should be noted that, unless otherwise specifically stated, the relative arrangement and numerical values of the components and steps described in these embodiments should be interpreted as merely exemplary and not as limiting.
[0041] It should be noted that in the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is greater than or equal to two;It should be noted that, in order to facilitate the description of the present application and simplify the description, generally, the setting direction of the vehicle lamp module is substantially the same as the actual use of the vehicle lamp on the vehicle, for example, the lens is in front, and correspondingly, the primary optical element (for example, the mirror) is behind, and the transverse arrangement of each unit optical system means that each unit optical system is arranged along the left-right direction, and the vertical direction means substantially along the up-down direction.In the description of the present application, the indicated orientation or positional relationship is only for the convenience of describing the present application and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.When the absolute position of the described object changes, the relative positional relationship can also change accordingly.
[0042] In addition, "first", "second" and similar words used in the utility model do not represent any order, quantity or importance, but are only used to distinguish different parts."Include" or "contain" and similar words mean that the elements before the word cover the elements listed after the word, and do not exclude the possibility of also covering other elements.
[0043] It should also be noted that in the description of the utility model, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be directly connected, or indirectly connected through an intermediate medium.For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.When a specific device is described to be located between a first device and a second device, there can be an intermediate device between the specific device and the first device or the second device, or there can be no intermediate device.
[0044] All terms used in the utility model have the same meaning as understood by ordinary skilled persons in the field to which the utility model belongs, unless otherwise defined.Special attention should be paid to the fact that terms defined in general dictionaries should be interpreted to have meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or extremely formalized sense, unless otherwise defined herein.
[0045] Techniques, methods and equipment known to those skilled in the relevant art can not be discussed in detail, but under appropriate circumstances, the techniques, methods and equipment should be regarded as part of the specification.
[0046] In order to achieve the above purpose, the present application provides a light condenser, which is used with a light source 3 and a light emitting element 1 to form a high beam module, referring to Figures 1 to 11, the light collector 2 comprises a condensing unit and a lower convex structure 4 arranged at the lower side of the condensing unit, the lower convex structure 4 comprises a lower convex structure reflecting surface 401 and a lower convex structure light emitting surface 402, the light emitted by the light source 3 is adapted to be converged by the light collector 2 and then projected by the light emitting element 1 to form a far light light pattern, wherein part of the light emitted by the light source 3 enters the condensing unit and is downwardly emitted to the lower convex structure reflecting surface 401, is reflected by the lower convex structure reflecting surface 401 and then emitted by the lower convex structure light emitting surface 402, the emitted light is transmitted to the light emitting element 1 and is upwardly projected to the upper side boundary area of the far light light pattern by the light emitting element 1 to expand the illumination range of the upper side boundary area of the far light light pattern. As shown in Figure 8 , wherein the dashed line part is used to represent the structure of the reflecting surface of the condensing unit without the lower convex structure 4, the present application arranges the lower convex structure 4 at the lower side of the condensing unit so that there is more effective light emitting area at the lower side of the condensing unit, the light reflected by the lower convex structure reflecting surface 401 is emitted from the lower convex structure light emitting surface 402 at a position lower in the vertical direction and is forwardly emitted to the light emitting element 1. As shown in Figures 9 to 11 , light path a is the light path of the light downwardly emitted to the lower convex structure reflecting surface 401 in the condensing unit, which is converged by the light collector 2 and projected by the light emitting element 1, light path b is the light path of the light without the lower convex structure 4, which is converged by the light collector 2 and projected by the light emitting element 1, compared with light path b, the light of light path a is emitted to the light emitting element 1 from a position lower in the vertical direction, so that the light pattern is emitted from the light emitting surface of the light emitting element 1 at a larger upward angle after being refracted by the light emitting element 1, and then can be projected to a position higher in the far light light pattern, thereby expanding the illumination range of the upper side boundary area of the far light light pattern.
[0047] For example, as shown in Figure 12 , without the lower convex structure 4, the upper light emitting angle of the far light light pattern formed on the light distribution screen is 5 degrees, when the embodiment is applied to actual road lighting, the brightness value of the road sign illuminated to the front 50m is 0.05lx. As shown in Figure 13 , after the lower convex structure 4 is arranged, the upper light emitting angle of the far light light pattern formed on the light distribution screen of the embodiment is increased to 7 degrees, when the embodiment is applied to actual road lighting, the brightness value of the road sign illuminated to the front 50m is increased from 0.05lx to 1.85lx, thereby improving the driving vision of the driver under high beam lighting and greatly improving the driving safety under high speed driving.
[0048] As a specific embodiment, as shown in Figure 1 , Figure 4 , Figure 5 and Figure 7As shown, the light collecting unit includes a plurality of sub-light collecting units 201 arranged laterally, and specifically, the lateral direction is the left-right direction when the high beam module is installed on the vehicle lamp of the vehicle, and the vehicle is located on the horizontal plane (such as the ground), and the light source 3 includes a plurality of sub-light sources 301 corresponding to the sub-light collecting units 201. In some embodiments, the lower side of each sub-light collecting unit 201 is provided with a lower convex structure 4, and in other embodiments, as shown in Figure 1 and Figure 7 In order to avoid that the lower convex structure 4 is set too much to cause insufficient brightness of the final high beam light pattern, the lower convex structure 4 is only arranged on the lower side of part of the sub-light collecting units 201.
[0049] As a preferred embodiment, as shown in Figure 4 The lower side of at least two sub-light collecting units 201 located on the lateral sides of the central sub-light collecting unit 201 is provided with a lower convex structure 4, which increases the irradiation range of the upper side boundary area of the high beam light pattern while ensuring that the illumination maximum value of the high beam light pattern meets the regulatory requirements.
[0050] As a specific embodiment, as shown in Figure 9 The lower convex structure light emitting surface 402 is configured such that the light rays reflected by the lower convex structure reflecting surface 401 and then emitted from the lower convex structure light emitting surface 402 are transmitted along the lower side of the optical axis of the light emitting element 1 and emitted toward the light incident surface of the light emitting element 1, and then projected toward the upper side of the optical axis of the light emitting element 1 after being emitted from the light emitting element 1, and toward the vicinity of the upper side boundary area of the high beam light pattern.
[0051] As a specific embodiment, the angle between the vertical section of the lower convex structure light emitting surface 402 and the optical axis of the light emitting element 1 is greater than or equal to 63° and less than or equal to 73°, so that the light rays emitted from the lower convex structure light emitting surface 402 can be emitted toward the light emitting element 1 and then projected toward the upper side boundary area of the high beam light pattern after being refracted by the light emitting element 1.
[0052] As a preferred embodiment, as shown in Figure 6 The lower convex structure light emitting surface 402 is provided with columnar patterns 5 extending vertically, and by adjusting the shape and / or spacing of the columnar patterns 5 in different regions, the diffusion degree of the light rays passing through these regions can be adjusted to achieve the purpose of adjusting the expansion of the light pattern corresponding to these regions, while the uniformity of the light pattern can be improved.
[0053] As a specific embodiment, as shown in Figure 7 The lower convex structure 4 and the light collecting unit can be an integrally formed member, which can ensure the precision of the light collector 2, facilitate assembly, and reduce manufacturing costs.
[0054] As a specific embodiment, the lower convex structure reflecting surface 401 is an elliptical surface, an elliptical-like surface, a parabolic surface or a parabolic-like surface.
[0055] The utility model provides a kind of preferred light collector, the light collector and light source 3 and light emitting element 1 cooperation use form high beam module, light emitting element 1 is lens, the light emitting surface of lens is convex, light collector 2 includes several transverse arrangement sub light collecting unit 201 and lower convex structure 4, wherein, at least two sub light collecting units 201 of the transverse two sides of the sub light collecting unit 201 located in center are provided with lower convex structure 4 in lower side, lower convex structure 4 includes lower convex structure reflecting surface 401 and lower convex structure light emitting surface 402, lower convex structure reflecting surface 401 is elliptical surface, lower convex structure light emitting surface 402 forms columnar pattern 5 along vertical extension, light emitted by light source 3 is suitable for after converging by light collector 2 again by light emitting element 1 emission forms high beam light pattern, part of light emitted by light source 3 enters sub light collecting unit 201 and is downwardly shot to lower convex structure reflecting surface 401, after being reflected by lower convex structure reflecting surface 401, it is emitted by lower convex structure light emitting surface 402, the light emitted is transmitted to lens, and is projected to the upper side boundary area of high beam light pattern after being passed through lens.The application is provided with lower convex structure 4 in the lower side of sub light collecting unit 201, so that there is more effective light emitting area in the lower side of sub light collecting unit 201, light is emitted from lower convex structure light emitting surface 402 at lower position in vertical direction after being reflected by lower convex structure reflecting surface 401, is forwardly shot to lens, is shot into lens from lower position in vertical direction, so that the light is emitted from the light emitting surface of lens with greater upward angle after being refracted by lens, and then can be projected to the more upper side position of high beam light pattern, increase the illumination range of the upper side boundary area of high beam light pattern.In the embodiment, lower convex structure 4 is not provided in the lower side of sub light collecting unit 201 located in center, to ensure that high beam light pattern has sufficient illumination, to meet the requirements of regulations.Lower convex structure 4 and sub light collecting unit 201 of the embodiment are integrally formed, to ensure the precision of light collector 2, facilitate assembly and reduce manufacturing cost.
[0056] Based on the light collector mentioned in the above technical solution of the utility model, the utility model provides a kind of high beam module, and the high beam module includes the light collector described in any one of the above technical solutions.
[0057] Based on the light collector or high beam module mentioned in the above technical solution of the utility model, the utility model provides a kind of vehicle lamp, and the vehicle lamp includes the light collector or high beam module described in any one of the above technical solutions.
[0058] On the basis of the vehicle lamp in the technical scheme, the utility model provides a vehicle, the vehicle includes the vehicle lamp in any one of the above technical scheme.
[0059] The preferred embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical scheme of the utility model within the technical concept of the utility model, and these simple modifications all belong to the protection scope of the utility model.
[0060] In addition, it should be noted that various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, the utility model will not further describe various possible combinations.
[0061] In addition, various different embodiments of the utility model can also be combined in any manner, as long as they do not deviate from the idea of the utility model, and they should also be considered as disclosed by the utility model.
Claims
1. A light collector, which is used in cooperation with a light source (3) and a light emitting element (1) to form a far light module, characterized in that, The high beam module comprises the light source (3), the light emitting element (1) and the light collector (2) according to any one of claims 1 to 7.
2. The light collector of claim 1, wherein The light collector comprises a plurality of sub-light collectors (201) arranged in transverse direction, and the light source (3) comprises a plurality of sub-light sources (301) corresponding to the sub-light collectors (201), and at least part of the sub-light collectors (201) are provided with the lower convex structure (4) at the lower side.
3. The light collector of claim 2, wherein, At least two of the sub-light collectors (201) located at the transverse sides of the center sub-light collector (201) are provided with the lower convex structure (4) at the lower side.
4. The light collector of claim 1, wherein, The angle between the vertical section of the lower convex structure light emitting surface (402) and the optical axis of the light emitting element (1) is greater than or equal to 63° and less than or equal to 73°.
5. The light collector according to any one of claims 1 to 4, characterized in that, The lower convex structure light emitting surface (402) is provided with columnar patterns (5) extending in vertical direction.
6. The light collector according to any one of claims 1 to 4, characterized in that The lower convex structure (4) and the light collector are integrally formed.
7. The light collector according to any one of claims 1 to 4, characterized in that The lower convex structure reflecting surface (401) is an elliptical surface, a quasi-elliptical surface, a parabolic surface or a quasi-parabolic surface.
8. A high beam module, characterized in that, The high beam module comprises the light source (3), the light emitting element (1) and the light collector (2) according to any one of claims 1 to 7. The light emitting element (1) is a lens. The light rays emitted by the light source (3) are adapted to form a high beam light pattern after being collected by the light collector (2) and then emitted by the lens, wherein part of the light rays emitted by the light source (3) enter the light collector and are downwardly emitted toward the lower convex structure reflecting surface (401), are reflected by the lower convex structure reflecting surface (401) and then emitted by the lower convex structure light emitting surface (402), are transmitted to the lens and are upwardly projected to the upper boundary region of the high beam light pattern after passing through the lens.
9. A vehicle lamp characterized by The high beam module comprises the light collector according to any one of claims 1 to 7 or the high beam module according to claim 8.
10. A vehicle characterized by comprising: The vehicle lamp comprises the high beam module according to claim 9.