CN213577282U - LED double-light module with self-adaptive function - Google Patents
LED double-light module with self-adaptive function Download PDFInfo
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- CN213577282U CN213577282U CN202022641160.8U CN202022641160U CN213577282U CN 213577282 U CN213577282 U CN 213577282U CN 202022641160 U CN202022641160 U CN 202022641160U CN 213577282 U CN213577282 U CN 213577282U
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Abstract
The utility model particularly relates to a LED double-light module with self-adaptive function, which comprises a first inner lampshade, a second inner lampshade, a lampshade bracket and a lens bracket, wherein the first inner lampshade and the lampshade bracket are formed by insert molding, the second inner lampshade is assembled with the lampshade bracket into a whole by a first fixing piece, and the lampshade bracket is fixedly arranged on a radiator; a first LED circuit board is fixedly arranged at the lower part of the front end of the radiator, and a second LED circuit board is fixedly arranged at the upper part of the front end of the radiator; the convex lens is fixedly arranged at the front end of the lens bracket, and the rear end of the lens bracket is fixedly connected with the radiator; the second LED circuit board, the second inner lampshade and the convex lens form a near light optical system, and the first LED circuit board, the first inner lampshade and the convex lens form a high beam ADB optical system; the front end light emitting surfaces of the first inner lampshade and the second inner lampshade are smooth concave curved surfaces, the rear end of the first inner lampshade is a plurality of parallel strip-shaped light guide columns which are forked, and the rear end of the second inner lampshade is a plurality of parallel cylindrical light guide columns.
Description
Technical Field
The utility model belongs to the technical field of the car lamps and lanterns, especially, relate to a take two optical module of LED of self-adaptation function.
Background
With the development of the car light technology, the car headlamps are shining more and more brightly and farther, and the dazzling phenomenon is more obvious, so that the dazzling of the eyes of the drivers of the opposite cars caused by the high beam is also one of the main reasons for traffic accidents at night. In recent years, the matrix type LED dual-light technology has been developed rapidly, and the matrix type LED dual-light lamp becomes one of the future development directions of the automobile lamp. The matrix type LED double-light headlamp is formed by arranging a plurality of LED arrays, and under the cooperation of a front camera, the brightness of each LED is automatically controlled by a system to change, so that a dark area is formed in a specific area, and the influence of high beams on other vehicles and pedestrians on a road is avoided.
The application of the matrix type LED dual-light technology is not mature at present, and most matrix type LED dual-light headlamps are complex in structure, poor in light emitting uniformity and low in light emitting efficiency. For example, the prior patent CN209415340U discloses an LED dual optical module, which specifically discloses that "a second LED circuit board is fixed on the upper part of the front end of a heat sink, a third inner lampshade and a first LED circuit board are fixed on the lower part of the front end of the heat sink, 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 a second fixing piece, a convex lens is fixed on the front end of a lens support through an inner clamping pin of the lens support, and the lens support is positioned and installed on the front end of the heat sink; 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 curved surface at the upper part of the first inner lampshade is locally aluminized, 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 luminous surfaces which are adjacent side by side and have the shape of corn kernels are arranged at the front part of the third inner lampshade, and the convex luminous surfaces are arranged in single row or multiple rows; the second LED circuit board, the second inner lampshade, the first inner lampshade and the convex lens form a near light 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 high beam ADB optical system mainly receives light emitted by an LED light source through a third inner lampshade, the light is collimated and then enters a first inner lampshade to be subjected to beam shaping, a cut-off line of a high beam part is formed, and the light passes through each optical surface from the third inner lampshade to the first inner lampshade, so that energy loss is caused, and the energy utilization rate is greatly reduced; in addition, the high beam ADB optical system comprises a plurality of inner lamp shades, so that the light emitting uniformity is poor, the structure is complex, the assembly precision is low, and the processing cost is high.
SUMMERY OF THE UTILITY MODEL
The problem that the two light head-light of matrix LED structure is complicated, light uniformity is relatively poor and light-emitting efficiency is low for solving prior art existence, the utility model provides a take two light modules of LED of self-adaptation function.
In order to solve the technical problem, the technical scheme adopted by the utility model is that the LED double-light module with the self-adaptive function comprises a convex lens, an inner lampshade mechanism, an LED circuit board mechanism and a radiator which are arranged in sequence from front to back; the inner lampshade mechanism comprises a first inner lampshade, a second inner lampshade and a lampshade bracket, the first inner lampshade and the lampshade bracket are formed by insert molding, the second inner lampshade and the lampshade bracket are assembled into a whole through a first fixing piece, the first inner lampshade is positioned below the second inner lampshade, and the lampshade bracket is fixedly arranged on the radiator; the LED circuit board mechanism comprises a first LED circuit board and a second LED circuit board, the first LED circuit board is fixedly arranged on the lower portion of the front end of the radiator, and the second LED circuit board is fixedly arranged on the upper portion of the front end of the radiator; the LED double-light module also comprises a lens support, wherein the convex lens is fixedly arranged at the front end of the lens support, the rear end of the lens support is fixedly connected with the radiator, and the inner lamp shade mechanism and the LED circuit board mechanism are both positioned in the lens support; the second LED circuit board, the second inner lampshade and the convex lens form a near light optical system, and the first LED circuit board, the first inner lampshade and the convex lens form a high beam ADB optical system; the front end light emitting surface of the first inner lampshade is a smooth concave curved surface, the rear end of the first inner lampshade is a plurality of parallel bar-shaped light guide columns which are diverged, the front end light emitting surface of the second inner lampshade is a smooth concave curved surface, and the rear end of the second inner lampshade is a plurality of parallel cylindrical light guide columns.
Preferably, the upper surface of the first inner lampshade is additionally provided with dermatoglyph treatment. After lamp shade merged together in first interior lamp shade and the second, the dermatoglyph structure plays the effect of keeping off, prevents effectively that lamp shade merges together in first interior lamp shade and the second and takes place to scurry light.
Preferably, the first inner lampshade and the second inner lampshade are made of silica gel. The silica gel material is convenient to process and manufacture, meets the optical performance requirement and has good heat resistance.
Preferably, the plurality of cylindrical light guide pillars of the second inner lampshade are diverged from the middle to two sides, and the lower surface shape of the second inner lampshade realizes a low beam cut-off line shape. The light emitting uniformity is good.
Preferably, the first LED circuit board is provided with a first LED light source and a first connector, the second LED circuit board is provided with a second LED light source and a second connector, and the first connector and the second connector are both used for connecting a power supply.
Preferably, the upper part and the rear end of the lampshade bracket are both provided with positioning pins, and the positioning pins on the upper part are used for pre-positioning the second inner lampshade and the lampshade bracket; the positioning pin at the rear end is used for pre-positioning the lampshade bracket and the first LED circuit board. The arrangement of the positioning pins improves the assembly precision of the second inner lampshade, the lampshade bracket and the first LED circuit board.
Furthermore, the second LED circuit board is fixedly arranged at the upper part of the front end of the radiator through a second fixing piece, a plurality of hole sites are formed in the second fixing piece, and the hole sites are used for positioning the cylindrical light guide column of the second inner lampshade; the first fixing piece and the second fixing piece are made of metal. The assembly structure of the second inner lampshade and the second LED circuit board is simple and firm, and the positioning precision between the second inner lampshade and the second LED circuit board is improved.
Furthermore, the rear end of the radiator is provided with a plurality of radiating fins, gaps are arranged between every two adjacent radiating fins, and the front end of the radiator is provided with a plurality of through holes. The radiator has reasonable and compact structure and good radiating function.
Further, heat conduction grease layers are arranged between the first LED circuit board and the radiator and between the second LED circuit board and the radiator. The heat dissipation is convenient, and the heat dissipation effect is improved.
Further, a fan is arranged at the rear end of the radiator. The fan is convenient for further radiating the LED double-light module, and the radiating effect is improved.
Has the advantages that:
the utility model discloses a take two optical module of LED of self-adaptation function, with low beam and high beam ADB ingeniously integrate together, can realize the two optical type of ideal, when realizing high beam ADB optical system, only accomplish collimation and plastic to the light beam through first interior lamp shade, because of light from a medium to another medium, when passing optical surface promptly, there is energy loss, the light of prior art from the emergent of LED light source passes through optical surface of quartic, and this application only passes through optical surface twice, energy utilization improves greatly;
the LED double-light module with the self-adaptive function has a simple structure, reduces the arrangement of the inner lamp cover compared with the prior art, greatly improves the light efficiency, reduces the assembly, simplifies the production process, reduces the deviation and improves the production consistency;
the utility model discloses a take two optical module of LED of self-adaptation function has satisfied the demand of far-reaching beam ADB function, can realize a plurality of partitions, has avoided causing dazzling pedestrian or subtend driver, effectively reduces the traffic accident at night.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of an LED dual optical module with adaptive function according to the present invention;
fig. 2 is an exploded schematic view of the LED dual optical module with adaptive function according to the present invention;
fig. 3 is a schematic top view of a first inner lampshade of the LED dual optical module with adaptive function according to the present invention;
fig. 4 is a schematic top view of a second inner lampshade of the LED dual optical module with adaptive function according to the present invention;
fig. 5 is a schematic diagram of a short-beam light of the LED dual-optical module with adaptive function according to the present invention;
fig. 6 is a schematic view of a high beam of the LED dual optical module with adaptive function according to the present invention;
in the figure: 1. the LED lamp comprises a convex lens, 2 parts of a lens support, 2-1 parts of a clamping pin, 3 parts of a lamp shade support, 4 parts of a first inner lamp shade, 5 parts of a first fixing piece, 6 parts of a second inner lamp shade, 7 parts of a first LED circuit board, 7-1 parts of a first connector, 7-2 parts of a first LED light source, 8 parts of a second fixing piece, 9 parts of a second LED circuit board, 9-1 parts of a second connector, 9-2 parts of a second LED light source, 10 parts of a radiator, 11 parts of a fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 to 6, an LED dual-optical module with a self-adaptive function includes a convex lens 1, an inner lampshade mechanism, an LED circuit board mechanism and a heat sink 10, which are sequentially arranged from front to back; the inner lampshade mechanism comprises a first inner lampshade 4, a second inner lampshade 6 and a lampshade support 3, the lampshade support 3 is formed by injection molding, the first inner lampshade 4 and the lampshade support 3 are integrally formed by insert molding, the second inner lampshade 6 is prepositioned by a positioning pin at the upper part of the lampshade support 3 and is integrally assembled with the lampshade support 3 by a first fixing piece 5, the first fixing piece 5 is made of metal, the top of the first fixing piece 5 is a plane with ribs, the side surface of the first fixing piece contains hole sites for positioning and fixing the lampshade support 3, the first inner lampshade 4 is positioned below the second inner lampshade 6, and the lampshade support 3 is fixedly arranged on the radiator 10;
the LED circuit board mechanism comprises a first LED circuit board 7 and a second LED circuit board 9, the first LED circuit board 7 and the second LED circuit board 9 are both copper substrates, the first LED circuit board 7 is provided with a first LED light source 7-2 and a first connector 7-1, a second LED light source 9-2 and a second connector 9-1 are arranged on the second LED circuit board 9, the first connector 7-1 and the second connector 9-1 are both used for connecting the power, the lamp shade bracket 3 and the first LED circuit board 7 are fixedly arranged at the lower part of the front end of the radiator 10 through a screw structure by pre-positioning the positioning pin at the rear end of the lamp shade bracket 3 and the first LED circuit board 7, the second LED circuit board 9 is fixedly arranged on the upper part of the front end of the radiator 10 through a second fixing piece 8 and a screw structure, and the second fixing piece 8 is made of metal; positioning pins are arranged at the positions, corresponding to the mounting positions of the first LED circuit board 7 and the second LED circuit board 9, on the radiator 10, so that pre-positioning mounting is facilitated;
the LED dual-optical module further comprises a lens support 2, the lens support 2 is formed by injection molding, the convex lens 1 is made of glass or plastic, the convex lens 1 is fixedly arranged at the front end of the lens support 2 through a clamping pin 2-1 of the lens support 2, a positioning pin pre-installed with a radiator 10 is arranged on a flanging at the rear end of the lens support 2, the lens support 2 is fixedly arranged at the front end of the radiator 10 through a screw structure, and the inner lampshade mechanism and the LED circuit board mechanism are both positioned in the lens support 2;
the second LED circuit board 9, the second inner lampshade 6 and the convex lens 1 form a low beam optical system, as shown in fig. 5, and the first LED circuit board 7, the first inner lampshade 4 and the convex lens 1 form a high beam ADB optical system, as shown in fig. 6; as shown in fig. 3 and 6, a light emitting surface of the front end of the first inner lampshade 4 is a smooth concave curved surface, the rear end of the first inner lampshade 4 is a plurality of parallel strip-shaped light guide columns which are diverged, collimation and shaping are completed on light beams through the side surfaces of the strip-shaped light guide columns of the first inner lampshade 4, and light emergent uniformity is good; as shown in fig. 2, 4 and 5, the front end light emitting surface of the second inner lampshade 6 is a smooth concave curved surface, the rear end of the second inner lampshade 6 is a plurality of parallel cylindrical light guide columns, a plurality of hole sites are arranged on the second fixing piece 8 and are used for positioning the cylindrical light guide columns of the second inner lampshade 6, the cylindrical light guide columns of the second inner lampshade 6 are forked from the middle to two sides, the lower surface shape realizes a dipped beam cut-off line shape, and the light emitting uniformity is good.
Silica gel is all chooseed for use to the material of lamp shade 6 in first interior lamp shade 4 and the second, the upper surface of lamp shade 4 increases the dermatoglyph and handles in the first, and lamp shade 6 merges back together in first interior lamp shade 4 and the second, and the dermatoglyph structure plays the effect of cutting off, prevents effectively that lamp shade 6 from merging together and taking place to scurry light in first interior lamp shade 4 and the second.
In order to make the structure of the LED dual optical module compact and the heat dissipation effect good, the rear end of the heat sink 10 has a plurality of heat dissipation fins, a gap is provided between adjacent heat dissipation fins, and the front end of the heat sink 10 is provided with a plurality of through holes; heat conducting grease layers are arranged between the first LED circuit board 7 and the radiator 10 and between the second LED circuit board 9 and the radiator 10; the rear end of the heat sink 10 is provided with a fan 11 by a screw structure.
The specific installation process is as follows:
firstly, heat conduction grease is coated on the upper portion and the lower portion of the front end of a radiator 10, then a second LED circuit board 9 is preassembled through a positioning pin on the upper portion of the front end of the radiator 10, then a second fixing piece 8 is preassembled through the same positioning pin on the upper portion of the front end of the radiator 10 and pressed on the second LED circuit board 9 and fixed on the upper portion of the front end of the radiator 10 through a screw structure, then a first LED circuit board 7 is preassembled through a positioning pin on the lower portion of the front end of the radiator 10, a first inner lampshade 4 and a lampshade support 3 are formed into a whole through an insert, then a second inner lampshade 6 is preassembled through a positioning pin on the upper portion of the lampshade support 3, and then a first fixing piece 5 is positioned through a positioning pin on the upper portion of the lampshade support; the lampshade bracket 3 is positioned with the first LED circuit board 7 through a positioning pin at the rear end of the lampshade bracket, and the first LED circuit board 7 is fixed at the lower part of the front end of the radiator 10 through a screw structure; the fan 11 is fixed to the rear end of the heat sink 10 by a screw structure; the convex lens 1 and the lens support 2 are assembled through a clamping pin 2-1 of the lens support 2 and fixed at the front end of the lens support 2, and the lens support 2 is pre-positioned with the radiator 10 through a positioning pin at the rear end of the lens support 2 and fixed through a screw structure to complete module assembly.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a take two optical module of LED of self-adaptation function which characterized in that: the LED lamp shade comprises a convex lens (1), an inner lamp shade mechanism, an LED circuit board mechanism and a radiator (10) which are arranged in sequence from front to back; the inner lampshade mechanism comprises a first inner lampshade (4), a second inner lampshade (6) and a lampshade support (3), the first inner lampshade (4) and the lampshade support (3) are formed in an insert mode, the second inner lampshade (6) is assembled with the lampshade support (3) into a whole through a first fixing piece (5), the first inner lampshade (4) is located below the second inner lampshade (6), and the lampshade support (3) is fixedly arranged on the radiator (10); the LED circuit board mechanism comprises a first LED circuit board (7) and a second LED circuit board (9), the first LED circuit board (7) is fixedly arranged on the lower portion of the front end of the radiator (10), and the second LED circuit board (9) is fixedly arranged on the upper portion of the front end of the radiator (10); the LED double-light module further comprises a lens support (2), the convex lens (1) is fixedly arranged at the front end of the lens support (2), the rear end of the lens support (2) is fixedly connected with a radiator (10), and the inner lampshade mechanism and the LED circuit board mechanism are both positioned in the lens support (2); the second LED circuit board (9), the second inner lampshade (6) and the convex lens (1) form a near light optical system, and the first LED circuit board (7), the first inner lampshade (4) and the convex lens (1) form a high beam ADB optical system; the front end light emitting surface of the first inner lampshade (4) is a smooth concave curved surface, the rear end of the first inner lampshade (4) is a plurality of parallel bar-shaped light guide columns which are diverged, the front end light emitting surface of the second inner lampshade (6) is a smooth concave curved surface, and the rear end of the second inner lampshade (6) is a plurality of parallel cylindrical light guide columns.
2. A dual LED light module with adaptive functions as claimed in claim 1, wherein: the upper surface of the first inner lampshade (4) is additionally provided with dermatoglyph treatment.
3. An LED dual light module with adaptive function as claimed in claim 2, wherein: silica gel is all selected for use to the material of lamp shade (4) in first and the second lamp shade (6).
4. A dual LED light module with adaptive functions as claimed in claim 1, wherein: and a plurality of cylindrical light guide columns of the second inner lampshade (6) are branched from the middle to two sides, and the lower surface shape realizes the shape of a dipped beam cut-off line.
5. An LED dual-light module with self-adaptive function according to any one of claims 1 to 4, wherein: the LED light source connector is characterized in that a first LED light source (7-2) and a first connector (7-1) are arranged on the first LED circuit board (7), a second LED light source (9-2) and a second connector (9-1) are arranged on the second LED circuit board (9), and the first connector (7-1) and the second connector (9-1) are both used for connecting a power supply.
6. A dual LED light module with adaptive functions as claimed in claim 1, wherein: the upper part and the rear end of the lampshade bracket (3) are respectively provided with a positioning pin, and the positioning pins at the upper part are used for pre-positioning the second inner lampshade (6) and the lampshade bracket (3); the positioning pin at the rear end is used for pre-positioning the lampshade bracket (3) and the first LED circuit board (7).
7. The LED dual light module with self-adaptive function as claimed in claim 1 or 6, wherein: the second LED circuit board (9) is fixedly arranged on the upper portion of the front end of the radiator (10) through a second fixing piece (8), a plurality of hole sites are formed in the second fixing piece (8), and the hole sites are used for positioning cylindrical light guide columns of the second inner lampshade (6); the first fixing piece (5) and the second fixing piece (8) are made of metal.
8. A dual LED light module with adaptive functions as claimed in claim 1, wherein: the rear end of the radiator (10) is provided with a plurality of radiating fins, gaps are arranged between every two adjacent radiating fins, and the front end of the radiator (10) is provided with a plurality of through holes.
9. A dual LED light module with adaptive functions as claimed in claim 1, wherein: and heat-conducting grease layers are arranged between the first LED circuit board (7) and the radiator (10) and between the second LED circuit board (9) and the radiator (10).
10. A dual LED light module with adaptive functions as claimed in claim 1, wherein: the rear end of the radiator (10) is provided with a fan (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022641160.8U CN213577282U (en) | 2020-11-16 | 2020-11-16 | LED double-light module with self-adaptive function |
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| CN202022641160.8U CN213577282U (en) | 2020-11-16 | 2020-11-16 | LED double-light module with self-adaptive function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508735A (en) * | 2020-11-16 | 2022-05-17 | 常州星宇车灯股份有限公司 | LED double-light module with self-adaptive function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508735A (en) * | 2020-11-16 | 2022-05-17 | 常州星宇车灯股份有限公司 | LED double-light module with self-adaptive function |
| WO2022100163A1 (en) * | 2020-11-16 | 2022-05-19 | 常州星宇车灯股份有限公司 | Led double-light module with self-adaption function |
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