LED double-light module
Technical Field
The invention relates to the technical field of automobile lamps, in particular to an LED double-light module.
Background
With the development of car lamp technology, car headlights are shining more and more, and more far away, and the dazzling phenomenon is more obvious with it, and far-reaching light causes dazzling eyes of drivers coming to cars to be one of main reasons for causing traffic accidents at night. In recent years, matrix LED high beam technology has been rapidly developed, and matrix LED headlight has become one of the directions of future development of automobile lamps, and the high beam and low beam switching of current LED headlight is realized by switching different lamp modules, and this condition makes the size of high beam and low beam module oversized, installs inconveniently, and in addition, matrix LED headlight can influence opposite vehicles or preceding vehicles under the high beam mode high-brightness light, causes glaring, brings driving safety hidden danger.
Disclosure of Invention
The invention aims to provide an LED double-light module, which solves the problems that a high-beam and low-beam module in the prior art is large in size and inconvenient to install, and the high-beam in the prior art can cause dazzling and brings about potential safety hazards in driving.
The LED double-light module comprises a convex lens, a lens support, an inner lampshade mechanism, an LED circuit board mechanism and a radiator, wherein the inner lampshade mechanism comprises a first inner lampshade, a second inner lampshade and a third inner lampshade, the LED circuit board mechanism comprises a first LED circuit board and a second LED circuit board, the second LED circuit board is fixed on the upper part of the front end of the radiator, the third inner lampshade and the first LED circuit board are fixed on the lower part of the front end of the radiator, the second inner lampshade and the first inner lampshade are assembled into a whole and then are positioned and installed with the third inner lampshade and the second fixing piece, the convex lens is fixed on the front end of the lens support through inner clamping pins of the lens support, and the lens support is positioned and installed on the front end of the radiator; the front part of the first inner lampshade is a smooth concave curved surface, the rear part of the first inner lampshade is a smooth convex curved surface, the upper curved surface of the first inner lampshade is partially plated with aluminum, the front part of the second inner lampshade is a smooth concave curved surface, the rear part of the second inner lampshade is a plurality of parallel strip-shaped light guide columns, a plurality of convex light emitting surfaces in the shape of corn grains adjacent to each other side by side are arranged at the front part of the third inner lampshade, the convex light emitting surfaces are arranged in a single row or a plurality of rows, a low beam optical system is formed by the second LED circuit board, the second inner lampshade, the first inner lampshade and the convex lens, and a high beam ADB optical system is formed by the first LED circuit board, the third inner lampshade, the first inner lampshade and the convex lens.
Preferably, the first LED circuit board and the second LED circuit board are provided with LED light sources and plug connectors, and the LED light sources on the first LED circuit board are arranged in a single row or multiple rows.
Preferably, the upper part of the first inner lampshade is provided with a locating pin, the second inner lampshade and the first inner lampshade are pre-located through the locating pin and assembled into a whole through a first fixing piece, and the first fixing piece is a metal sheet.
Preferably, the second LED circuit board is fixed on the upper portion of the front end of the radiator through a second fixing piece, the second fixing piece is a metal sheet, and a plurality of holes for positioning the rear light guide column of the second inner lampshade are formed in the second fixing piece.
Preferably, a plurality of cooling fins are arranged at the rear end of the radiator, gaps are arranged between adjacent cooling fins, and a plurality of through holes are formed in the front portion of the radiator.
Preferably, a heat conducting grease layer is arranged between the radiator and the LED circuit board mechanism.
Preferably, a fan is fixed at the rear side of the radiator.
Compared with the prior art, the LED headlamp has the beneficial effects that the LED headlamp is simple in structure, the requirements of the high beam ADB function are met while the low beam function is realized in one lamp module through the design of the inner lamp shades, the luminous surfaces on the inner lamp shades can be arranged in single row or multiple rows, the design is flexible, multiple partitions are realized, the dazzling of pedestrians or opposite drivers is avoided, the night traffic accident is effectively reduced, the radiator is arranged behind the LED light source, the fan is adopted, the plurality of through holes are arranged at the front part of the radiator, the smooth heat discharge can be ensured, the good heat dissipation effect is realized, the heat is not accumulated, the headlight is ensured to be in a safe and stable working environment, and the service life of the headlight and the driving safety are improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a low beam light pattern of the present invention;
fig. 4 is a high beam pattern of the present invention.
In the figure, a convex lens 1, a lens support 2, a first inner lampshade 3, a first fixing piece 4, a second inner lampshade 5, a third inner lampshade 6, a second fixing piece 7, a first LED circuit board 8, a second LED circuit board 9, a radiator 10 and a fan 11 are arranged.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the invention provides a technical scheme that an LED dual-light module comprises a convex lens 1, a lens support 2, an inner lampshade mechanism, an LED circuit board mechanism and a radiator 10, wherein the convex lens 1 is a glass lens or a plastic lens, the lens support 2 is a PC lens support 2, the front end of the lens support 2 is provided with inner clamping legs of the lens support 2, the flange at the rear part is provided with positioning pins for installing the radiator 10, the inner lampshade mechanism comprises a first inner lampshade 3, a second inner lampshade 5 and a third inner lampshade 6, the LED circuit board mechanism comprises a first LED circuit board 8 and a second LED circuit board 9, the second LED circuit board 9 is fixed on the upper part of the front end of the radiator 10, the third inner lampshade 6 and the first LED circuit board 8 are fixed on the lower part of the front end of the radiator 10, the second inner lampshade 5 is assembled with the first inner lampshade 3 into a whole and then positioned and installed with the third inner lampshade 6 and the second fixing piece 7, the convex lens 1 is fixed on the front end of the lens support 2 through the inner clamping legs of the lens support 2, and the lens support 2 is positioned and installed on the front end of the radiator 10;
Specifically, the first inner lampshade 3 is a PC (personal computer) piece, the front part is a smooth concave curved surface, the rear part is a smooth convex curved surface, the upper curved surface is partially plated with aluminum, the upper part is provided with a positioning pin for positioning with the second inner lampshade 5, and is also provided with a positioning pin for positioning with the first fixing piece 4, and the rear part is also provided with a positioning pin for positioning with the third inner lampshade 6, wherein the second inner lampshade 5 is a silica gel piece, the front part of the second inner lampshade 5 is a smooth concave curved surface, the rear part of the second inner lampshade 5 is a plurality of parallel strip-shaped light guide columns, the third inner lampshade 6 is a PC piece, the front part of the third inner lampshade 6 is provided with a plurality of corn grain-shaped convex light-emitting surfaces which are adjacent to each other side by side, and the convex light-emitting surfaces are arranged in a single row or in a plurality of rows;
the second LED circuit board 9, the second inner lampshade 5, the first inner lampshade 3 and the convex lens 1 form a low beam optical system, and the first LED circuit board 8, the third inner lampshade 6, the first inner lampshade 3 and the convex lens 1 form a high beam ADB optical system.
In this embodiment, interior lamp shade mechanism comprises three interior lamp shade, has satisfied the demand of far-reaching beam ADB function when realizing the passing light function, and the outer convex light emitting surface of third interior lamp shade 6 front portion can arrange single row or multirow in addition, and the design is nimble, can realize a plurality of subregions, and when the car light is the far-reaching beam state, the dark bright change of every LED of system automatic control forms the dark space in specific region, makes this far-reaching beam module have self-adaptation function, has avoided causing dazzling to pedestrian or subtended driver, effectively reduces night traffic accident.
Further, the first LED circuit board 8 and the second LED circuit board 9 are all aluminum substrates, the first LED circuit board 8 is provided with holes and a radiator 10 for positioning, and meanwhile, part of holes and an inner lampshade are also positioned, the second LED circuit board 9 is also provided with holes and a radiator 10 for positioning, the first LED circuit board 8 and the second LED circuit board 9 are provided with LED light sources and plug connectors, the plug connectors are used for switching on a power supply, the LED light sources on the first LED circuit board 8 are arranged in a single row or multiple rows, and the plug connectors are particularly corresponding to the convex light emitting surface of the third inner lampshade 6 in a single row or multiple rows so as to match with a front camera in the prior art to realize self-adaptive high beam.
Further, the upper portion of the first inner lampshade 3 is provided with a locating pin, the second inner lampshade 5 and the first inner lampshade 3 are located in advance through the locating pin and assembled into a whole through the first fixing piece 4, the first fixing piece 4 is a metal sheet, and a plurality of protruding points are arranged on the upper portion and the side face of the first fixing piece 4.
Further, the second LED circuit board 9 is fixed on the upper portion of the front end of the radiator 10 through a second fixing piece 7, the second fixing piece 7 is a metal sheet, and a plurality of holes for positioning the light guiding column at the rear portion of the second inner lampshade 5 are formed in the second fixing piece 7.
Further, radiator 10 is ADC12 material, a plurality of fin have been arranged to the rear end, be equipped with the clearance between the adjacent fin, radiator 10 front portion is provided with a plurality of through-holes, the rear portion is provided with the fixed point of installing fan 11, further, be equipped with the heat conduction fat layer between radiator 10 and the LED circuit board mechanism, just with the heat dissipation, still be fixed with fan 11 at radiator 10 rear side, fan 11's setting is convenient for dispel the heat, have good radiating effect, can not store the heat, guaranteed that the headlight is in safe and stable operational environment, thereby the life of headlight and the security of driving have been improved.
The installation process comprises the steps of coating heat conduction grease on the upper part of the front end of a radiator 10 and the installation plane of the lower part of the radiator, preassembling a second LED circuit board 9 through positioning pins on the upper part of the front end of the radiator 10, preassembling a second fixing piece 7 through the same positioning pins on the upper part of the front end of the radiator 10, pressing the second LED circuit board 9 on the upper part of the front end of the radiator 10 through screws, preassembling a first LED circuit board 8 through the positioning pins on the lower part of the front end of the radiator 10, positioning a third inner lamp shade 6 through the positioning pins on the rear part of the first LED circuit board 8, fixing the third inner lamp shade 6 on the lower part of the front end of the radiator 10 through screws, preassembling a second inner lamp shade 5 through positioning columns on the upper part of the first inner lamp shade 3, positioning columns on the first fixing piece 4 through the other two positioning columns on the upper part of the first inner lamp shade 3, fixing the first inner lamp shade 3 through the positioning pins on the rear end of the first inner lamp shade 3 and the third inner lamp shade 6 through screws, fixing the rear end of the second inner lamp shade 5 through the positioning pins on the first inner lamp shade 6, fixing the rear end light guide columns of the second inner shade 5 and the lens support frame 2 through the positioning pins on the rear end of the first inner lamp shade 2 through screws, fixing the lens 2 through the front end fixing support frame 2 and the front end of the lens 2 through the fixing pins 2.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.