CN210219604U

CN210219604U - Automobile LED dipped beam lens module

Info

Publication number: CN210219604U
Application number: CN201920687924.1U
Authority: CN
Inventors: Bo Liu; 刘波
Original assignee: Chongqing Guinuo Photoelectric Technology Co Ltd
Current assignee: Chongqing Guinuo Photoelectric Technology Co Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-03-31
Anticipated expiration: 2029-05-15

Abstract

The utility model provides an automobile LED dipped beam lens module with simple structure and obvious effect, which comprises a lens, a lens bracket, a reflector, an LED module assembly and a radiator, wherein one end of the lens bracket is provided with the lens, the other end of the lens bracket is fixedly connected with the radiator, the reflector is fixed on the lens bracket, the LED module assembly is fixedly arranged on the radiator, and the position of the LED module assembly corresponds to the position of the reflector; the lens, the lens bracket, the reflector and the radiator are integrally formed; the lens is a square convex lens; the reflector is in a half bowl shape, the inner surface of the reflector is in a step shape, and the inner surface of the reflector is an aluminum coating. The utility model discloses simple structure, convenient to use has improved the utilization ratio of reflection light efficiency, has reduced the luminous dark space of lens.

Description

Automobile LED dipped beam lens module

Technical Field

The utility model relates to an automobile parts makes technical field, in particular to car LED passing light lens module.

Background

The automobile lamp is an important component of an automobile, is very important for road driving safety, particularly has an important effect on indication of subsequent vehicles and pedestrians, and is particularly important under the conditions of poor sight lines such as night and heavy fog. The light source of the automobile lamp is generally an HID lamp or an incandescent lamp, the HID lamp has long service life and high illumination brightness, but the HID lamp is high in price, and the common incandescent lamp is poor in service life and brightness. With the development of LED technology, LED has achieved significant results in interior lighting and exterior signal lamps, and due to the gradual reduction of cost, LED lamps have been applied to various mass-production vehicle types instead of traditional incandescent lamps and HID lamps, and become the first choice of light sources for vehicle lamps.

The car light divide into dipped headlight and far-reaching headlamp, to the dipped headlight, installs a lens additional before car light, because lens have stronger spotlight ability, can make the road surface in front of the car brighter, more clear like this, has guaranteed that there is sufficient illumination in vehicle the place ahead. In the prior art, during optical design, a round lens is mostly adopted as an automobile dipped beam lens, so that a luminous dark area appears around the round lens, and the utilization rate of the round lens on light efficiency is not high; meanwhile, the inner surface of the reflector of the dipped headlight of the automobile adopts a smooth inner surface, so that the utilization rate of light effect is reduced to a certain extent.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide an automobile LED dipped beam lens module with simple structure and obvious effect, which comprises a lens, a lens bracket, a reflector, an LED module assembly and a radiator, wherein one end of the lens bracket is provided with the lens, the other end of the lens bracket is fixedly connected with the radiator, the reflector is fixed on the lens bracket, the LED module assembly is fixedly arranged on the radiator, and the position of the LED module assembly corresponds to the position of the reflector; the lens, the lens bracket, the reflector and the radiator are integrally formed; the lens is a square convex lens; the reflector is in a half bowl shape, the inner surface of the reflector is in a step shape, and the inner surface of the reflector is an aluminum coating.

Preferably, the lens support comprises a mounting part for mounting the lens and a supporting part for supporting the reflector and the radiator, and the cross section of the lens support is L-shaped; the mounting part comprises a mounting frame for supporting the lens, the mounting frame is sunken inwards to form a mounting groove matched with the lens, and a limiting block is arranged on the mounting frame; the supporting part comprises a supporting part body, first connecting parts formed by extending along the left side and the right side of the supporting part body in the horizontal direction, and second connecting parts formed by extending along the left side, the right side and the lower side of the supporting part body in the vertical direction; at least one screw groove is formed on the first connecting part and the second connecting part; the connecting end of the supporting part and the mounting part is provided with a semi-cylindrical cavity, and the other end of the supporting part and the mounting part is provided with an opening through which the LED module assembly can irradiate the reflector.

Preferably, the reflector comprises a reflector body and third connecting parts extending outwards along two sides of the bottom of the reflector, the third connecting parts are provided with at least one screw groove, and the third connecting parts are fixedly connected with the first connecting parts through bolts.

Preferably, the radiator comprises a radiator body, fourth connecting parts extending along two sides of the radiator body in the vertical direction, a plurality of radiating fins protruding outwards and a mounting table; the fourth connecting part is provided with at least one spiral groove and is fixedly connected with the second connecting part through a bolt; the LED module assembly is arranged on the mounting table; the heat sink is fitted to the contact surface of the lens holder.

Preferably, the distance between the lens and the reflector is matched with the focal length of the lens and the focal length of the reflector.

Preferably, the focal length of the lens is selected within the range of 40-45mm, and the focal length of the reflector is selected within the range of 10-15 mm.

Effective gain: the utility model discloses design car passing light lens squarely, the notch cuttype is designed into to the speculum inner surface simultaneously, and the speculum inner surface is aluminized, shines the light on the speculum from LED module assembly like this, reflects to square lens again on, and the light efficiency will obtain abundant utilization, also reduces the production of luminous dark space. The utility model discloses a lens, lens support, speculum, radiator all adopt integrated into one piece, adopt bolt fixed connection again, and the installation, dismantle simply, have reduced the production of car short-distance beam lens module error.

Drawings

FIG. 1 is a block diagram of the present invention;

fig. 2 and 3 are schematic structural diagrams of the lens holder of the present invention;

fig. 4 and 5 are schematic structural diagrams of the reflector of the present invention;

FIG. 6 is a schematic view of the heat sink of the present invention;

in the figure, 1-lens, 2-lens support, 21-mounting part, 22-supporting part, 211-mounting frame, 212-mounting groove, 213-limiting block, 221-supporting part body, 222-first connecting part, 223-second connecting part, 3-reflector, 31-reflector body, 32-third connecting part, 4-LED module assembly, 5-heat radiator, 51-heat radiator body, 52-fourth connecting part, 53-heat radiating fin, 54-mounting table.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.

An automobile LED dipped beam lens module as shown in figures 1 to 6 comprises a lens 1, a lens support 2, a reflector 3, an LED module assembly 4 and a radiator 5, wherein one end of the lens support 2 is provided with the lens 1, the other end of the lens support is fixedly connected with the radiator 5, the reflector 3 is fixed on the lens support 2, the LED module assembly 4 is fixedly arranged on the radiator 5, and the position of the LED module assembly 4 corresponds to the position of the reflector 3. The lens 1, the lens support 2, the reflector 3 and the heat sink 5 are integrally formed. The lens 1 is a square convex lens. The distance between the lens 1 and the reflector 3 is matched with the focal lengths of the lens 1 and the reflector 3, the focal length selection range of the lens 1 is 40-45mm, and the focal length selection range of the reflector 3 is 10-15 mm. The utility model discloses 1 focus of well lens is 45mm, and 3 focuses of speculum are 15 mm.

As shown in fig. 2 and 3, the lens holder 2 includes a mounting portion 21 for mounting the lens 1 and a supporting portion 22 for supporting the reflector 3 and the heat sink 5, and the lens holder 2 has an L-shaped cross section. The mounting part 21 includes a mounting frame 211 for supporting the lens 1, the mounting frame 211 is recessed to form a mounting groove 212 matching with the lens 1, and a stopper 213 is provided on the mounting frame 211. In the present invention, the lens 1 is welded in the mounting groove 212 by ultrasonic waves, and the limiting block 213 is fixed and limited by the mounting groove 212. The support portion 22 includes a support portion body 221, a first connecting portion 222 formed by extending along the left and right sides of the support portion body 221 in the horizontal direction, and a second connecting portion 223 formed by extending along the left, right and lower sides of the support portion body 221 in the vertical direction; at least one spiral groove is formed on each of the two first connecting portions 222 and the three second connecting portions 223. A semi-cylindrical cavity is formed at the connecting end of the supporting part 22 and the mounting part 21, and when reflected light irradiates to the semi-cylindrical cavity, the reflected light can be transmitted out from the upper half section of the lens 1 and also can be transmitted out from the lower half section of the lens 1, so that the light-emitting dark area of the lens 1 is reduced; the other end of the supporting portion 22 is provided with an opening for the LED module assembly 4 to irradiate the reflector 3. The utility model discloses 2 materials of well lens support are plastics.

As shown in fig. 4 and 5, the reflector 3 includes a reflector body 31 and third connecting portions 32 extending outward along two sides of the bottom of the reflector 3. The whole shape and the inner surface of the reflector 3 are shown in fig. 5, the reflector 3 is in a half bowl shape, the inner surface of the reflector 3 is in a step shape, and the inner surface of the reflector 3 is an aluminum coating; when the LED module assembly 4 irradiates the reflector 3 with the aluminized inner surface and the stepped shape, the lighting effect is fully utilized and then reflected to the lens 1. At least one spiral groove is formed on each of the two third connecting parts 32, and the third connecting parts 32 are fixedly connected with the first connecting part 222 through bolts.

As shown in fig. 6, the heat sink 5 includes a heat sink body 51, fourth connecting portions 52 extending along two sides of the heat sink body 51 in the vertical direction, a plurality of heat dissipating fins 53 protruding outward, and a mounting base 54. The fourth connecting portion 52 has at least one spiral groove, and the fourth connecting portion 52 is fixedly connected to the second connecting portion 223 by a bolt. The LED module assembly 4 is mounted on the mounting table 54. The arrangement of the plurality of heat dissipation fins 53 enables the LED module assembly 4 and the mounting platform 54 to be in full contact with air, so as to provide a heat dissipation function for the LED module assembly 4 and the mounting platform 54. Radiator 5 agrees with mutually with lens support 2 contact surface for radiator 5 can the joint with lens support 2's contact surface, and the fixed of cooperation bolt makes between radiator 5 and the lens support 2 fixed firm. The utility model discloses in, the radiator material is the aluminum product.

In the present invention, the screw grooves on the first connecting portion 222, the second connecting portion 223, the third connecting portion 32, and the fourth connecting portion 52 are all set to be three. The utility model discloses during the installation, weld lens 1 on the installation department 21 of lens support 2 earlier, align the third connecting portion 32 of speculum 3 with the first connecting portion 222 of lens support 2 again, fix with the bolt, then fix LED module assembly 4 on the mount table 54 of radiator 5 with the bolt, align the fourth connecting portion 52 of radiator 5 with the second connecting portion 223 of lens support 2 at last, fix with the bolt.

The utility model discloses during the use, the opening of seting up on LED light on the LED module assembly 4 passes through lens support 2, shines to speculum 3 on, and speculum 3 reflects this LED light, reflects to the welding on lens 1 on lens support 2, and lens 1 carries out the spotlight to the reverberation, then jets out to outside the lamp.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.

Claims

1. An automobile LED dipped beam lens module comprises a lens (1), a lens support (2), a reflector (3), an LED module assembly (4) and a radiator (5), and is characterized in that the lens (1) is installed at one end of the lens support (2), the other end of the lens support is fixedly connected with the radiator (5), the reflector (3) is fixed on the lens support (2), the LED module assembly (4) is fixedly arranged on the radiator (5), and the position of the LED module assembly (4) corresponds to the position of the reflector (3); the lens (1), the lens bracket (2), the reflector (3) and the radiator (5) are integrally formed; the lens (1) is a square convex lens; the reflecting mirror (3) is in a half bowl shape, the inner surface of the reflecting mirror (3) is in a step shape, and the inner surface of the reflecting mirror (3) is an aluminum coating.

2. An automotive LED dipped beam lens module as claimed in claim 1, characterized in that said lens holder (2) comprises a mounting portion (21) for mounting said lens (1) and a supporting portion (22) for supporting said reflector (3) and heat sink (5), said lens holder (2) being "L" -shaped in cross-section; the mounting part (21) comprises a mounting frame (211) for supporting the lens (1), the mounting frame (211) is recessed to form a mounting groove (212) matched with the lens (1), and a limiting block (213) is arranged on the mounting frame (211); the support part (22) comprises a support part body (221), first connecting parts (222) formed by extending along the left side and the right side of the support part body (221) in the horizontal direction, and second connecting parts (223) formed by extending along the left side, the right side and the lower side of the support part body (221) in the vertical direction; at least one screw groove is formed on the first connecting part (222) and the second connecting part (223); the supporting part (22) and the connecting end of the mounting part (21) are provided with a semi-cylindrical cavity, and the other end of the supporting part is provided with an opening for irradiating the LED module assembly (4) onto the reflector (3).

3. The automobile LED dipped beam lens module according to claim 2, wherein the reflector (3) comprises a reflector body (31), and third connecting parts (32) extending outwards along two sides of the bottom of the reflector (3), the third connecting parts (32) are provided with at least one screw groove, and the third connecting parts (32) are fixedly connected with the first connecting parts (222) through bolts.

4. An automotive LED low beam lens module according to claim 2, characterized in that the heat sink (5) comprises a heat sink body (51), fourth connecting portions (52) extending along two sides of the heat sink body (51) in the vertical direction, a plurality of heat dissipating fins (53) protruding outwards, a mounting table (54); the fourth connecting part (52) is provided with at least one screw groove, and the fourth connecting part (52) is fixedly connected with the second connecting part (223) through a bolt; the LED module assembly (4) is mounted on the mounting table (54); the radiator (5) is matched with the contact surface of the lens support (2).

5. An automotive LED low beam lens module according to claim 1, characterized in that the distance between the lens (1) and the reflector (3) matches the focal length of the lens (1) and the reflector (3).

6. An automotive LED dipped beam lens module according to claim 5, characterized in that the focal length of said lens (1) is selected in the range of 40-45mm and the focal length of said reflector (3) is selected in the range of 10-15 mm.