LED dual light module

Abstract

The invention relates to the technical field of automobile lamps, in particular to an LED double-light module, comprising a convex lens, a lens bracket, 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 convex lens is fixed to the front end of the lens bracket through a clamping foot inside the lens bracket, and the lens bracket is positioned and installed at the front end of the radiator; the second LED circuit board, the second inner lampshade, the first inner lampshade and the convex lens form a low-beam optical system, and the first LED circuit board, the third inner lampshade, the first inner lampshade and the convex lens form a high-beam ADB optical system. The invention can solve the problems in the prior art that the high-beam and low-beam lamp modules are large in size and inconvenient to install, and the high-beam lamp in the prior art can cause dazzle and bring hidden dangers to driving safety.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile lamps, and specifically relates to an LED dual-light module. Background Art

[0002] With the development of car lighting technology, car headlights are shining brighter and farther, which brings more obvious glare. The high beam dazzles the eyes of oncoming drivers and is also one of the main causes of nighttime traffic accidents. In recent years, matrix LED high beam technology has developed rapidly, and matrix LED headlights have become one of the future development directions of car lights. The current high and low beam switching of LED headlights is achieved by switching different lamp modules. This situation makes the size of the high and low beam modules too large and inconvenient to install. In addition, the high brightness of the matrix LED headlights in high beam mode will affect the oncoming vehicles or the vehicles in front, causing glare and bringing hidden dangers to driving safety. Summary of the invention

[0003] The purpose of the present invention is to provide an LED dual-light module to solve the problems in the prior art that the high and low beam modules are large in size and inconvenient to install, and the high beam in the prior art causes glare and brings hidden dangers to driving safety.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an LED dual-light module, comprising a convex lens, a lens bracket, 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 to the upper part of the front end of the radiator, the third inner lampshade and the first LED circuit board are fixed to the lower part of the front end of the radiator, the second inner lampshade is assembled into one with the first inner lampshade and then positioned and installed with the third inner lampshade and the second fixing plate, the convex lens is fixed to the front end of the lens bracket by a clamping foot inside the lens bracket, and the lens bracket Positioned and installed at the front end of the radiator; the front part of the first inner lampshade is a smooth concave surface, the rear part of the first inner lampshade is a smooth convex surface, the upper curved surface of the first inner lampshade is partially aluminum-plated, the front part of the second inner lampshade is a smooth concave surface, the rear part of the second inner lampshade is a plurality of parallel strip-shaped light guides, the front part of the third inner lampshade is arranged with a plurality of corn-kernel-shaped convex light-emitting surfaces adjacent to each other, and the convex light-emitting surfaces are arranged in a single row or in multiple rows; the second LED circuit board, the second inner lampshade, the first inner lampshade and the convex lens constitute a low-beam optical system, and the first LED circuit board, the third inner lampshade, the first inner lampshade and the convex lens constitute a high-beam ADB optical system.

[0005] Preferably, both the first LED circuit board and the second LED circuit board are provided with LED light sources and connectors, and the LED light sources on the first LED circuit board are arranged in a single row or multiple rows.

[0006] Preferably, a positioning pin is provided on the upper portion of the first inner lampshade, and the second inner lampshade and the first inner lampshade are pre-positioned by the positioning pin and assembled into one body by a first fixing plate, and the first fixing plate is a metal plate.

[0007] Preferably, the second LED circuit board is fixed to the upper part of the front end of the radiator through a second fixing plate, the second fixing plate is a metal plate, and the second fixing plate is provided with a plurality of holes for positioning the light guide column at the rear of the second inner lampshade.

[0008] Preferably, a plurality of heat sinks are arranged at the rear end of the heat sink, gaps are provided between adjacent heat sinks, and a plurality of through holes are provided at the front end of the heat sink.

[0009] Preferably, a thermal grease layer is provided between the heat sink and the LED circuit board mechanism.

[0010] Preferably, a fan is fixed to the rear side of the radiator.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the present application has a simple structure, and through the design of multiple inner lampshades, the low beam function is realized in one lamp module while meeting the requirements of the high beam ADB function; the light-emitting surface on the inner lampshade can be arranged in a single row or multiple rows, with flexible design to achieve multiple partitions, avoiding glare to pedestrians or oncoming drivers, and effectively reducing traffic accidents at night; the radiator is arranged behind the LED light source, and a fan is adopted, and multiple through holes are arranged on the front of the radiator to ensure smooth discharge of heat, with good heat dissipation effect, no heat accumulation, and ensuring that the headlights are in a safe and stable working environment, thereby improving the service life of the headlights and driving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the present invention;

[0013] Figure 2 It is a schematic diagram of the decomposition of the present invention;

[0014] Figure 3 is a low beam light diagram of the present invention;

[0015] Figure 4 It is the high beam light diagram of the present invention.

[0016] In the figure: 1 convex lens, 2 lens bracket, 3 first inner lampshade, 4 first fixing plate, 5 second inner lampshade, 6 third inner lampshade, 7 second fixing plate, 8 first LED circuit board, 9 second LED circuit board, 10 radiator, 11 fan. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-4 The present invention provides a technical solution: an LED dual-light module, comprising a convex lens 1, a lens bracket 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 bracket 2 is a PC lens bracket 2, the front end of the lens bracket 2 is provided with an inner clamping foot of the lens bracket 2, and a positioning pin for installing the radiator 10 is provided on the rear flange, 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 to 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 to 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 one body and then positioned and installed with the third inner lampshade 6 and the second fixing plate 7, the convex lens 1 is fixed to the front end of the lens bracket 2 by the inner clamping foot of the lens bracket 2, and the lens bracket 2 is positioned and installed at the front end of the radiator 10;

[0019] Specifically, the first inner lampshade 3 is a PC part, the front part is a smooth concave curved surface, the rear part is a smooth convex curved surface, the upper curved surface is partially aluminum-plated, a positioning pin is provided on the upper part for positioning with the second inner lampshade 5, and a positioning pin is provided for positioning with the first fixing plate 4, and a positioning pin is also provided on the rear part for positioning with the third inner lampshade 6; the second inner lampshade 5 is a silicone part, the front part of the second inner lampshade 5 is a smooth concave curved surface, and the rear part of the second inner lampshade 5 is a plurality of parallel strip-shaped light guides; the third inner lampshade 6 is a PC part, and a plurality of corn-shaped convex light-emitting surfaces adjacent to each other are arranged in a side-by-side manner on the front part of the third inner lampshade 6, and the convex light-emitting surfaces are arranged in a single row or multiple rows;

[0020] 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.

[0021] In this embodiment, the inner lampshade mechanism is composed of three inner lampshades, which realize the low beam function while meeting the requirements of the high beam ADB function. In addition, the outer convex light-emitting surface on the front of the third inner lampshade 6 can be arranged in a single row or multiple rows. The design is flexible and multiple partitions can be achieved. When the headlights are in the high beam state, the system automatically controls the brightness changes of each LED to form a dark area in a specific area, so that the high beam module has an adaptive function, avoiding dazzling pedestrians or oncoming drivers, and effectively reducing traffic accidents at night.

[0022] Furthermore, the first LED circuit board 8 and the second LED circuit board 9 are both aluminum substrates. The first LED circuit board 8 is provided with holes for positioning with the heat sink 10, and some holes are also provided with holes for positioning with the inner lamp cover. The second LED circuit board 9 is also provided with holes for positioning with the heat sink 10. The first LED circuit board 8 and the second LED circuit board 9 are both provided with LED light sources and connectors, which are used to connect to the power supply. The LED light sources on the first LED circuit board 8 are arranged in a single row or multiple rows, specifically corresponding to the single row or multiple rows of the outer convex light-emitting surface of the third inner lamp cover 6, so as to cooperate with the front camera in the prior art to realize adaptive high beam.

[0023] Furthermore, a positioning pin is provided on the upper part of the first inner lampshade 3, and the second inner lampshade 5 is pre-positioned with the first inner lampshade 3 through the positioning pin and assembled into one through the first fixing plate 4. The first fixing plate 4 is a metal plate, and a plurality of protrusions are provided on the upper part and the side of the first fixing plate 4.

[0024] Furthermore, the second LED circuit board 9 is fixed to the upper part of the front end of the heat sink 10 through the second fixing plate 7. The second fixing plate 7 is a metal plate and is provided with a plurality of holes for positioning the light guide column at the rear of the second inner lampshade 5.

[0025] Furthermore, the radiator 10 is made of ADC12 material, and a plurality of heat sinks are arranged at the rear end, with gaps between adjacent heat sinks. A plurality of through holes are provided at the front of the radiator 10, and a fixing point for installing a fan 11 is provided at the rear. Furthermore, a thermal conductive grease layer is provided between the radiator 10 and the LED circuit board mechanism to facilitate heat dissipation. A fan 11 is also fixed on the rear side of the radiator 10. The setting of the fan 11 facilitates heat dissipation and has a good heat dissipation effect. Heat will not be accumulated, thereby ensuring that the headlights are in a safe and stable working environment, thereby improving the service life of the headlights and driving safety.

[0026] Installation process: After applying thermal grease on the upper and lower mounting planes of the front end of the radiator 10, the second LED circuit board 9 is pre-assembled through the positioning pins at the upper front end of the radiator 10, and the second fixing plate 7 is pre-installed through the same positioning pin at the upper front end of the radiator 10, pressed on the second LED circuit board 9, and fixed to the upper front end of the radiator 10 by screws. Then the first LED circuit board 8 is pre-assembled through the positioning pins at the lower front end of the radiator 10, and the third inner lampshade 6 is positioned with the first LED circuit board 8 through the rear positioning pins, and then the three are fixed to the lower front end of the radiator 10 by screws; the second inner lampshade 5 is pre-assembled through the first The positioning column on the upper part of the inner lampshade 3 is pre-installed, the first fixing plate 4 is positioned by the other two positioning columns on the upper part of the first inner lampshade 3, and the three parts are fixed together by hot riveting; the first inner lampshade 3 is positioned with the third inner lampshade 6 by the positioning pin at the rear end of the first inner lampshade 3, and the rear end light guide column of the second inner lampshade 5 is positioned with the hole on the second fixing plate 7, and fixed by screws; the fan 11 is fixed to the rear end of the radiator 10 by screws; the convex lens 1 and the lens holder 2 are assembled by the inner clamping foot of the lens holder 2, and fixed to the front end of the lens holder 2; the lens holder 2 is pre-positioned with the radiator 10 by the positioning pin at the rear end of the lens holder 2, and fixed by screws.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An LED dual-light module, comprising a convex lens (1), a lens bracket (2), an inner lampshade mechanism, an LED circuit board mechanism and a heat sink (10), characterized in that: 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 to 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 to the lower part of the front end of the radiator (10); the second inner lampshade (5) is assembled with the first inner lampshade (3) and then positioned and installed with the third inner lampshade (6) and the second fixing plate (7); the convex lens (1) is fixed to the front end of the lens bracket (2) by means of an inner clamping foot of the lens bracket (2); the lens bracket (2) is positioned and installed at the front end of the radiator (10); the first inner lampshade (3) ) has a smooth concave curved surface at the front, the rear of the first inner lampshade (3) has a smooth convex curved surface, the upper curved surface of the first inner lampshade (3) is partially aluminum-plated, the front of the second inner lampshade (5) has a smooth concave curved surface, the rear of the second inner lampshade (5) has a plurality of parallel strip-shaped light guides, and the front of the third inner lampshade (6) is arranged with a plurality of corn-shaped convex light-emitting surfaces adjacent to each other side by side, and the convex light-emitting surfaces are arranged in a single row or multiple rows; the second LED circuit board (9), the second inner lampshade (5), the first inner lampshade (3) and the convex lens (1) constitute 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) constitute a high-beam ADB optical system; The second LED circuit board (9) is fixed to the upper part of the front end of the heat sink (10) via a second fixing plate (7); the second fixing plate (7) is a metal plate, and the second fixing plate (7) is provided with a plurality of holes for positioning the light guide column at the rear of the second inner lampshade (5).

2. The LED dual light module according to claim 1, characterized in that: The first LED circuit board (8) and the second LED circuit board (9) are both provided with LED light sources and connectors, and the LED light sources on the first LED circuit board (8) are arranged in a single row or multiple rows.

3. The LED dual light module according to claim 1, characterized in that: A positioning pin is provided on the upper part of the first inner lampshade (3); the second inner lampshade (5) and the first inner lampshade (3) are pre-positioned by the positioning pin and assembled into one piece by a first fixing plate (4); the first fixing plate (4) is a metal plate.

4. The LED dual light module according to claim 1, characterized in that: A plurality of heat sinks are arranged at the rear end of the heat sink (10), gaps are provided between adjacent heat sinks, and a plurality of through holes are provided at the front end of the heat sink (10).

5. The LED dual light module according to claim 4, characterized in that: A thermal conductive grease layer is provided between the heat sink (10) and the LED circuit board mechanism.

6. The LED dual light module according to claim 4, characterized in that: A fan (11) is fixed to the rear side of the radiator (10).

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