Vehicle lamp
By designing multi-color temperature mixing and dimming modules in automotive lamps, the problem of insufficient lighting of LED lamps in bad weather is solved, and better lighting effects and driving safety are achieved.
Patent Information
- Application Number
- CN202421686996.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-17
AI Technical Summary
In severe weather such as heavy fog or heavy rain, existing LED vehicle lighting cannot provide good lighting, resulting in driving safety issues.
A vehicle lamp is designed, including the lamp body, lamp panel module and dimming module. The lamp panel module consists of a plurality of light emitting units, some light emitting units emit first color temperature light, and some light emitting units emit second color temperature light, and mix light through the light guide plate. The dimming module has a dimming unit and an adjustment module, which can adjust the position and angle of the dimming unit to switch high and low beams.
By mixing light at different color temperatures, the lighting effect of the lamp is improved, the color offset phenomenon is reduced, the lighting needs in different climates are adapted to the lighting needs, and driving safety is improved.
Smart Images
Figure CN222836711U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of lamps, and in particular to a vehicle lamp that utilizes a curved mirror for focusing and guiding light. Background Art
[0002] Nowadays, all kinds of motor vehicles are equipped with various lights such as headlights, small lights, taillights, turn signals, brake lights, etc., which can be used to remind other drivers or passers-by to pay attention to the location of oncoming vehicles or the direction of driving. At the same time, they can illuminate the road conditions when the driver is in dim light to ensure driving vision and improve driving safety.
[0003] In recent years, LEDs have been widely used in automotive lighting due to their advantages of small size, power saving, high brightness, and long service life. In general or good weather conditions, LEDs can provide good or brighter lighting. However, in bad weather conditions such as fog or heavy rain, LEDs often cannot provide good lighting due to factors such as the color temperature of white light, which leads to driving safety issues.
[0004] In summary, the inventor of the present application has considered and designed a vehicle lamp in order to improve the deficiencies of the prior art and further promote its industrial application. Utility Model Content
[0005] The purpose of this application is to provide a vehicle lamp to improve the above-mentioned problems.
[0006] Based on the above purpose, the present application provides a vehicle lamp, which includes a lamp body, a light board module and a dimming module. The lamp body has a housing space; the lamp body has an imaginary axis. The light board module is arranged in the housing space and away from the light emitting side of the lamp body; a plurality of light emitting units are arranged on a side of the light board module facing the light emitting side of the lamp body, and a light guide plate is arranged on the light emitting side of the plurality of light emitting units, and some of the light emitting units emit light of a first color temperature, and some of the light emitting units emit light of a second color temperature. The dimming module is arranged in the housing space and adjacent to the light emitting side of the lamp body; the dimming module has a dimming unit and an adjustment module; the adjustment module is connected to the dimming unit; the adjustment module is configured to adjust the position of the dimming unit.
[0007] Preferably, the dimming unit has a fan-shaped plane component and a curved surface component; the normal direction of the fan-shaped plane component is perpendicular to the imaginary axis; the curved surface component is connected to a portion of the edge of the fan-shaped plane component and is perpendicular to the fan-shaped plane component, and the concave surface of the curved surface component faces the light-emitting side of the lamp body. The adjustment module is connected to the dimming unit; the adjustment module is configured to adjust the angle between the fan-shaped plane component and the imaginary axis, thereby adjusting the position of the curved surface component
[0008] Preferably, the lamp body is provided with slide grooves on both sides perpendicular to the normal direction of the fan-shaped plane component; the dimming module includes two reflective units; the reflective unit is a rectangular plate structure, and a slider component is provided on one side of each reflective unit; the slider component is embedded in the slide groove, and the long side direction of the reflective unit corresponds to the imaginary axis.
[0009] Preferably, the adjustment module comprises a supporting frame, an adjustment driving unit and a linkage; the dimming unit is rotatably disposed on the supporting frame; the linkage selectively pushes against the dimming unit; and the adjustment driving unit is connected to the linkage to drive the linkage to move.
[0010] Preferably, the adjustment module comprises a restoring member, and the restoring member is arranged between the dimming unit and the supporting frame.
[0011] Preferably, a surface of the light guide plate facing away from the plurality of light-emitting units comprises a plurality of light guide components, and each light guide component is an aspherical body protruding from the light guide plate.
[0012] Preferably, a surface of the light guide plate facing the plurality of light emitting units is spaced apart from the plurality of light emitting units.
[0013] The technical features of the present application will be described in detail below with specific embodiments and accompanying drawings so that those skilled in the art can easily understand the purpose, technical features, and advantages of the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments of the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For technicians in the technical field to which the present application belongs, other drawings can also be obtained based on these drawings.
[0015] Figure 1 An exploded schematic diagram of the vehicle lamp of the present application;
[0016] Figure 2 A schematic cross-sectional view of the vehicle lamp of the present application;
[0017] Figure 3 This is a schematic diagram of the appearance of the vehicle lamp of this application;
[0018] Figure 4 This is a first structural schematic diagram of a dimming module of a vehicle lamp of the present application;
[0019] Figure 5 A second structural schematic diagram of the dimming module of the vehicle lamp of the present application;
[0020] Figure 6This is a first application schematic diagram of the vehicle lamp of the present application;
[0021] Figure 7 A second application schematic diagram of the vehicle lamp of the present application;
[0022] Figure 8 This is a schematic diagram of a third application of the vehicle lamp of the present application.
[0023] Brief description of reference numerals:
[0024] 1: vehicle lamp; 2: lamp body; 21: accommodation space; 211: imaginary axis; 212: slideway; 3: lamp board module; 31: light-emitting unit; 32: light guide plate; 4: dimming module; 411: sector plane component; 412: curved surface component; 41: dimming unit; 42: adjustment module; 421: carrier frame;
[0025] 422: adjustment drive unit; 423: linkage member; 424: reset member; 5: reflective unit; and, 51: slider member. DETAILED DESCRIPTION
[0026] The advantages, features and technical methods achieved by the present application will be described in more detail with reference to exemplary embodiments and the accompanying drawings so as to be easier to understand, and the present application can be implemented in different forms, so it should not be understood as being limited to the embodiments described herein. On the contrary, for those skilled in the art, the provided embodiments will make the present disclosure more thorough and comprehensive and fully convey the scope of the present application, and the present application will only be defined by the attached claims.
[0027] It should be understood that although the terms "first", "second", etc. may be used in this application to describe various components, parts, regions, sections, layers and / or parts, these components, parts, regions, sections, layers and / or parts should not be limited by these terms. These terms are only used to distinguish one component, part, region, section, layer and / or part from another component, part, region, section, layer and / or part.
[0028] Unless otherwise defined, all terms (including technical and scientific terms) used in this application have the same meaning as commonly understood by those skilled in the art to which this application belongs. It will be further understood that terms such as those defined in commonly used dictionaries should be interpreted as having definitions consistent with their meanings in the context of the relevant technology and this application, and will not be interpreted as idealized or overly formal meanings unless explicitly defined in this article.
[0029] Please also read Figures 1 to 5 FIG. 1 is an exploded schematic diagram of the vehicle lamp of the present application. Figure 2It is a cross-sectional schematic diagram of the vehicle lamp of the present application. Figure 3 This is a schematic diagram of the appearance of the vehicle lamp of this application. Figure 4 , Figure 5 The first structural diagram and the second structural diagram of the dimming module of the vehicle lamp of the present application are shown in FIG. The vehicle lamp of the present application can preferably be applied to the headlights of vehicles such as automobiles.
[0030] As shown in the figure, the vehicle lamp 1 of the present application mainly includes a lamp body 2 , a lamp board module 3 and a dimming module 4 .
[0031] The lamp body 2 may include a lamp housing, a lampshade, a fixing ring for fixing the lampshade to the lamp housing, and heat dissipation components and fans related to heat dissipation; of course, the lamp body 2 also includes a circuit module for controlling whether to emit light, a port for electrically connecting to a car, etc., which are well known to technicians in the relevant technical field and will not be described in detail here. The lamp body 2 has a containing space 21. The lamp body 2 has an imaginary axis 211. A portion of the containing space 21 adjacent to the light emitting side of the lamp body 2 is cylindrical, and another portion away from the lamp body 2 is a non-circular cylinder, such as a cylinder formed by a symmetrically cut circle, thereby saving space to facilitate installation on a car.
[0032] The light board module 3 is arranged in the accommodating space 21 and adjacent to the light emitting side of the lamp body 2; the light board module 3 includes a light emitting unit 31 and a light guide plate 32. A plurality of light emitting units 31 are arranged on the light emitting side of the lamp body 2, and a light guide plate 32 is arranged on the light emitting side of the plurality of light emitting units 31; that is, the light board module 3 includes a circuit board and a plurality of light emitting units 31 arranged on the circuit board, and the light guide plate 32 is mounted on the light emitting unit 31. The circuit board is electrically connected to a circuit module for controlling whether to emit light or not. It is worth mentioning that part of the light emitting units 31 emit light of the first color temperature, and part of the light emitting units 31 emit light of the second color temperature; in different embodiments, part of the light emitting units 31 emit light of the third color temperature. That is to say, a part of the light emitting units 31 of the plurality of light emitting units 31 may emit light of the first color temperature, and another part of the light emitting units 31 may emit light of the second color temperature. Alternatively, a portion of the light emitting units 31 emit light of the first color temperature; another portion of the light emitting units 31 emit light of the second color temperature; another portion of the light emitting units 31 emit light of the third color temperature; and the remaining portion of the light emitting units 31 emit light of the fourth color temperature. That is, the light board module 3 can emit light of different color temperatures at the same time, so as to facilitate light mixing on the subsequent light path, and therefore, it is not limited to the exemplary state in the embodiment.
[0033] It is worth mentioning that the light guide plate can be made of, for example, a high temperature resistant transparent acrylic material. The side of the light guide plate 32 facing away from the plurality of light emitting units 31 includes a plurality of light guide components, each of which is a non-spherical body protruding from the light guide plate 32. The side of the light guide plate 32 facing the plurality of light emitting units 31 has a spacing with the plurality of light emitting units 31, for example, 0.5 to 0.9 mm, preferably, 0.7 mm, which can be adjusted according to the configuration of the light guide components in actual use, so it is not limited to the exemplary state in this embodiment.
[0034] In this way, the light board module 3 emits light of different color temperatures at the same time, and in the process, the light can be fully mixed inside the lamp body 2; finally, it penetrates the lampshade to the outside. Therefore, the vehicle lamp 1 of the present application has uniform color mixing and good color rendering, which can reduce the color cast phenomenon and improve the problem that good lighting is often not provided due to factors such as the color temperature of the white light of the LED.
[0035] Wherein, the dimming module 4 is arranged in the accommodating space 21. The dimming module 4 has a dimming unit 41 and an adjustment module 42. The dimming unit 41 has a fan-shaped plane component 411 and a curved surface component 412. Wherein, the fan-shaped plane component 411 and the curved surface component 412 can both shield the light emitted by the light board module 3. Further, the normal direction of the fan-shaped plane component 411 is perpendicular to the imaginary axis 211; for example, as shown in the figure, the imaginary axis 211 is the left-right direction in the figure, and the normal direction of the fan-shaped plane component 411 is the up-down direction in the figure.
[0036] The curved surface component 412 is connected to a portion of the edge of the sector-shaped plane component 411 and is perpendicular to the sector-shaped plane component 411. It is worth mentioning that the concave surface of the curved surface component 412 faces the light-emitting side of the lamp body 2.
[0037] The adjustment module 42 is connected to the dimming unit 41; the adjustment module 42 is configured to adjust the angle between the fan-shaped plane component 411 and the curved surface component 412 and the imaginary axis 211, thereby adjusting the position of the curved surface component 412. In other words, the adjustment module 42 can make the fan-shaped plane component 411 and / or the curved surface component 412 shield or not shield part of the light that penetrates the lampshade to the outside after the mixed light, so as to switch between high beam and low beam and adapt to different driving environments.
[0038] Specifically, the adjustment module 42 includes a support frame 421, an adjustment drive unit 422, a linkage 423, and a reset member 424. The dimming unit 41 can be rotatably disposed on the support frame 421 using a shaft. The linkage 423 can be rotatably disposed on the support frame 421 or other suitable positions of the lamp body 2 using a shaft. The linkage 423 is configured to selectively push against the dimming unit 41. The adjustment drive unit 422 is connected to the linkage 423 to drive the linkage 423 to move.
[0039] It is worth mentioning that the rotation center axis of the dimming unit 41 is different from or perpendicular to the rotation center axis of the linkage 423. For example, the rotation center axis of the dimming unit 41 is along the two sides of the lamp body 2, while the rotation center axis of the linkage 423 is along the normal direction of the fan-shaped plane component 411. Among them, the adjustment drive unit 422 can be a telescopic cylinder, so that the linkage 423 can be driven to rotate by means of the telescopic shaft of the adjustment drive unit 422, and then push the dimming unit 41. In this way, the adjustment module 42 can adjust the angle between the fan-shaped plane component 411 and the curved surface component 412 and the imaginary axis 211, so as to change the light passing through the lampshade after sufficient color mixing.
[0040] The reset member 424 may be a component such as a spring, which is disposed between the dimming unit 41 and the support frame 421. Thus, when the external force pushed by the linkage member 423 driven by the adjustment driving unit 422 is reduced or removed, the dimming unit 41 can follow the external force pushed by the linkage member 423 with the help of the reset member 424 to gradually reset to the initial state or the state without external force.
[0041] Among them, in different embodiments, the dimming module 4 may or may not include two reflective units 5. In this embodiment, the dimming module 4 includes two reflective units 5 as an example, but it is not limited to this. Further, the lamp body 2 is perpendicular to the normal direction of the fan-shaped plane component 411 and is respectively provided with a slide groove 212. The two reflective units 5 are rectangular plate-shaped structures, and a slider component 51 is provided on one side of each reflective unit 5. The slider component 51 is embedded in the slide groove 212, and the long side direction of the reflective unit 5 corresponds to the imaginary axis 211. The reflective unit 5 can more fully mix the light of different color temperatures.
[0042] Preferably, the side of the reflective unit 5 opposite to the slider component 51 may be a plane or have a microstructure, wherein the microstructure includes, for example, one or more Fresnel lens structures or a concave surface with a certain curvature being the same and a certain curvature being different.
[0043] like Figures 6 to 8 shown. Figure 6Relevant data indicating that the color temperature of the vehicle lamp of the present application is 4000K when in low beam, for example, the LED power is 25W, and the maximum luminous intensity (lmax) is 30000cd; Figure 6 It mainly represents the relevant data of the exemplary color temperature of the light source before color mixing at low beam. In actual application, it can be other color temperature values and is not limited to 4000K. Figure 7 Relevant data indicating that the color temperature of the vehicle lamp of the present application is 5700K when in low beam, for example, the LED power is 38.5W, and the maximum luminous intensity (lmax) is 50000cd; Figure 7 It mainly represents the relevant data of the exemplary color temperature of the mixed light source at low beam. In actual application, it can be other color temperature values and is not limited to 5700K. Figure 8 Relevant data indicating that the color temperature of the vehicle lamp of the present application is 5700K in high beam, for example, the LED power is 38.5W, and the maximum luminous intensity (lmax) is 80000cd; Figure 8 It mainly represents the relevant data of the exemplary color temperature of the light source after color mixing at high beam, which can be other color temperature values in actual application, and is not limited to 5700K. The automotive lamp of the present application has the advantages of uniform brightness, strong penetration, small light loss, etc. The light source is clearly visible, and driving at night is safer. The color temperature and brightness of the light source can be adjusted manually or automatically according to weather conditions, and the switching between high beam and low beam can be adjusted, so as to effectively meet the lighting needs in different climates and effectively improve driving safety.
[0044] The above description is for illustrative purposes only and is not intended to be limiting. Any equivalent modifications or changes made thereto without departing from the spirit and scope of this application shall be included in the scope of the claims of this application.
Claims
1. A vehicle lamp, characterized in that: Include: The lamp body has a containing space, and the containing space has an imaginary axis; A light board module is arranged in the accommodating space and away from the light emitting side of the lamp body, wherein a plurality of light emitting units are arranged on a side of the light board module facing the light emitting side of the lamp body, a light guide plate is arranged on the light emitting side of the plurality of light emitting units, and some of the light emitting units emit light of a first color temperature, and some of the light emitting units emit light of a second color temperature; as well as The dimming module is arranged in the accommodating space and adjacent to the light emitting side of the lamp body. The dimming module has a dimming unit and an adjustment module. The adjustment module is connected to the dimming unit and is configured to adjust the position of the dimming unit.
2. The vehicle lamp according to claim 1, characterized in that: The dimming unit has a fan-shaped plane component and a curved surface component, the normal direction of the fan-shaped plane component is perpendicular to the imaginary axis, the curved surface component is connected to a partial edge of the fan-shaped plane component and is perpendicular to the fan-shaped plane component, and the concave surface of the curved surface component faces the light-emitting side of the lamp body, and the adjustment module is connected to the dimming unit, and the adjustment module is configured to adjust the angle between the fan-shaped plane component and the imaginary axis, thereby adjusting the position of the curved surface component.
3. The vehicle lamp according to claim 2, characterized in that: The lamp body is provided with slide grooves on both sides perpendicular to the normal direction of the fan-shaped plane component, and the dimming module includes two reflective units. The reflective units are rectangular plate-shaped structures, and a slider component is provided on one side of each reflective unit. The slider component is embedded in the slide groove, and the long side direction of the reflective unit corresponds to the imaginary axis.
4. The vehicle lamp according to any one of claims 1 to 3, characterized in that: The adjustment module includes a supporting frame, an adjustment driving unit and a linkage. The dimming unit is rotatably arranged on the supporting frame. The linkage selectively pushes against the dimming unit. The adjustment driving unit is connected to the linkage to drive the linkage to move.
5. The vehicle lamp according to claim 4, characterized in that: The adjustment module includes a restoring member, and the restoring member is arranged between the dimming unit and the supporting frame.
6. The vehicle lamp according to any one of claims 1 to 3, characterized in that: A surface of the light guide plate facing away from the plurality of light emitting units comprises a plurality of light guide components, and each of the light guide components is an aspherical body protruding from the light guide plate.
7. The vehicle lamp according to claim 6, characterized in that: A surface of the light guide plate facing the plurality of light emitting units is spaced apart from the plurality of light emitting units.