CN216744174U

CN216744174U - Motor vehicle headlamp

Info

Publication number: CN216744174U
Application number: CN202120116218.9U
Authority: CN
Inventors: 周文斌; 周猛; 张强; 奚麒
Original assignee: Nanjing Benze Photoelectric Technology Co ltd
Current assignee: Jiangsu Binzhi Photoelectric Technology Co ltd
Priority date: 2021-01-17
Filing date: 2021-01-17
Publication date: 2022-06-14
Anticipated expiration: 2031-01-17

Abstract

The utility model discloses an illumination module of an LED light source for a motor vehicle headlamp, which comprises a lens base, a bracket and a radiator, wherein a lens is arranged at the front end of the lens base, the rear end of the lens base is connected with the front end of the bracket, and the rear end of the bracket is connected with the radiator; the whole support is hollow, a light-shaped baffle is horizontally arranged in the front end of the support, a first condenser and a second condenser are arranged on the radiator in parallel up and down, and an LED light source is arranged among the first condenser, the second condenser and the radiator; the light of LED light source passes first spotlight ware and second spotlight ware respectively, then passes through light type baffle and lens in proper order, forms low beam and distance beam respectively. The utility model can blur the facula formed by the near beam or the far beam on the face shield of the front light through the arrangement of the first condenser and the second condenser, the condensing bowl, etc.; the problem of the appearance of a headlamp mask caused by independent light spots is solved.

Description

Motor vehicle headlamp

Technical Field

The utility model belongs to the technology of automobile headlamps, and particularly relates to a motor vehicle headlamp.

Background

The LED car lamp with long service life, high reliability and low power consumption gradually replaces the car lamp with the traditional bulb as the light source, and becomes a trend in the field of car illumination. The direct-emitting type light-emitting LED lamp is low in cost and high in performance and is more and more suitable for the market. Customers have increasingly high demands on performance and appearance quality, as well as optical effects. In order to meet the requirements of regulations, high optical performance, high-quality appearance and better optical sensory effect, the LED module is more and more concerned by host factories, and has wide market prospect. The existing LED module has the following problems: when the existing lighting module of the LED light source of the motor vehicle headlamp is in actual use, a plurality of light spots are arranged on the surface of a mask, so that the light spots can be seen by naked eyes, and the sensory effect and the driving safety of a client are seriously influenced.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to solve the defects in the prior art and provides a motor vehicle headlamp.

The technical scheme is as follows: the utility model relates to a motor vehicle headlamp, which comprises a lighting module, a first condenser and a second condenser; the lighting module comprises a lens base, a lens and a support, the lens is arranged at the front end of the lens base, the rear end of the lens base is connected with the front end of the support, the rear end of the support is connected with a radiator, and a light-type baffle is horizontally arranged in the front end of the support; the first condenser and the second condenser are arranged on the radiator side by side, and the LED light source is arranged among the first condenser, the second condenser and the radiator; light rays of the LED light source respectively pass through the first condenser and the second condenser and then sequentially pass through the light-shaped baffle and the lens to respectively form a low beam and a high beam;

the front surface of the first condenser is provided with optical patterns which are wavy stripes, the radius of each wavy stripe is less than or equal to 2mm, and the radius of a chamfer between every two adjacent stripes is less than or equal to 0.3 mm; the back of the first condenser is provided with less than or equal to 5 first light gathering bowls in parallel, and the center distance between every two adjacent first light gathering bowls is less than or equal to 13 mm;

a plurality of optical patterns are arranged on two sides of the front surface of the second condenser, the optical patterns are wavy stripes, the radius of each wavy stripe is less than or equal to 3mm, and the radius of a chamfer between every two adjacent stripes is less than or equal to 0.3 mm; the back of the second condenser is provided with less than or equal to 3 second condenser bowls in parallel, and the center distance between every two adjacent second condenser bowls is less than or equal to 14 mm.

Furthermore, the optical patterns on the front surface of the first condenser are wavy, the radius of each stripe is less than or equal to 2mm, and the chamfer radius between every two adjacent stripes is less than or equal to 0.3 mm; the optical patterns on the front surface of the second condenser are in a wave form, the radius of each stripe is smaller than or equal to 3mm, and the radius of a chamfer between every two adjacent stripes is smaller than or equal to 0.3 mm.

Furthermore, the first condenser and the second condenser are respectively provided with a connecting lug and a positioning column, and the first condenser and the second condenser are respectively positioned and fixed with the LED light source through the positioning column and the connecting lug.

Furthermore, the upper surface of the lens is provided with optical stripes, each optical stripe is semi-cylindrical, the height H of each optical stripe is less than or equal to 0.5mm, the cylindrical radius R of each semi-cylindrical optical stripe is less than or equal to 3mm, and the cylindrical chord length L is less than or equal to 2 mm.

Further, the light generated by the LED light source sequentially passes through the first condenser, the middle light-shaped baffle and the lens, and then a low beam is generated.

Furthermore, light rays generated by the LED light source sequentially pass through the second condenser, the middle light type baffle and the lens, and then high beam is generated.

Has the advantages that: the utility model can blur the light spots formed on the face mask of the headlamp by the structures of the first condenser and the second condenser, the condensing bowl and the like; the problem of the appearance of a headlamp mask caused by independent light spots is solved.

Drawings

FIG. 1 is a schematic view of the present invention used in an overall lighting module;

FIG. 2 is a schematic view of a first concentrator of the present invention;

FIG. 3 is a schematic view of a second concentrator of the present invention;

FIG. 4 is a schematic view of a concentrator assembly of the present invention;

fig. 5 is a schematic diagram of mask spot formation.

Detailed Description

The technical solution of the present invention is described in detail below, but the scope of the present invention is not limited to the embodiments.

As shown in fig. 1 to 5, a motor vehicle headlamp of the present invention includes a first condenser 6 and a second condenser 7, the first condenser 6 and the second condenser 7 being disposed side by side on a heat sink 9; an LED light source 8 is arranged between the first condenser 6, the second condenser 7 and the radiator 9; the light of the LED light source 8 passes through the first condenser 6 and the second condenser 7, respectively, and then sequentially passes through the light type baffle 5 and the lens 1, to form a low beam and a high beam, respectively.

In practical application, the lens base comprises a lens base 2, a support 4 and a radiator 9 which are sequentially connected from front to back, wherein the front end of the lens base 2 is provided with a lens 1, the back end of the lens base 2 is connected with the front end of the support 4, and the back end of the support 4 is connected with the radiator 9; support 4 is whole to be cavity, and the inside horizontal installation of 4 front ends of support has light type baffle 5.

In this embodiment, the lens base 2, the bracket 4 and the heat sink 9 may be fixedly connected by screws 10.

The LED light source 8, the first condenser 6, the middle light-type baffle 5 and the lens 1 cooperate to generate a low beam, so that the low beam function of automobile regulations is realized; the LED light source 8, the second condenser 7, the light-type baffle 5 in the middle and the lens 1 cooperate to generate a high beam, so that the high beam function of the automobile laws and regulations is realized.

This embodiment is for reducing "low beam" and "high beam" and form the clear visible independent facula of naked eye on the headlamp face guard, through adjusting mounted position and angle and the light source model of LED light source 8 on radiator 9, can change the position that each LED model of first spotlight ware 6 and second spotlight ware 7 corresponds, and through increase optical stripe on LED light source 8 surface, make the facula that "low beam" and "high beam" formed on the headlamp face guard fuzzy, solve the appearance defect of whole lamp face guard facula, promote customer appearance quality.

As shown in fig. 3 to 5, the front surface of the first condenser 6 is provided with an optical pattern 61; the back of the first condenser 6 is provided with less than or equal to 5 first condensing bowls 62 in parallel; the central distance between every two adjacent first light gathering bowls is less than or equal to 13 mm; a plurality of optical patterns 71 are arranged on two sides of the front surface of the second condenser 7; the back of the second condenser 7 is provided with less than or equal to 3 second condenser bowls 72 in parallel, and the center distance between every two adjacent second condenser bowls is less than or equal to 14 mm.

In the present embodiment, the optical patterns 61 on the front surface of the first condenser 6 are wave stripes, the radius of each wave stripe is less than or equal to 2mm, and the chamfer radius between every two adjacent wave stripes is less than or equal to 0.3 mm; the optical patterns 71 on the front surface of the second condenser 7 are wave-shaped stripes, the radius of each wave-shaped stripe is less than or equal to 3mm, and the chamfer radius between every two adjacent wave-shaped stripes is less than or equal to 0.3 mm.

In order to increase the connection stability and accuracy of the device, the first condenser 6 and the second condenser 7 are respectively provided with a connecting lug and a positioning column, and the first condenser 6 and the second condenser 7 are respectively positioned and fixed with the LED light source 8 through the positioning column and the connecting lug.

The working principle of the utility model is that the light emitted by the LED light source 8 can not form independent light spots on the front lighting lamp face mask through the first condenser 6 and the second condenser 7, and the light spot effect of the utility model is greatly improved compared with the light spot effect formed on the traditional face mask.

Claims

1. A motor vehicle headlamp characterized by: comprising an illumination module, a first condenser and a second condenser; the lighting module comprises a lens base, a lens and a support, the lens is arranged at the front end of the lens base, the rear end of the lens base is connected with the front end of the support, the rear end of the support is connected with a radiator, and a light-type baffle is horizontally arranged in the front end of the support; the first condenser and the second condenser are arranged on the radiator side by side, and the LED light source is arranged among the first condenser, the second condenser and the radiator; light rays of the LED light source respectively pass through the first condenser and the second condenser and then sequentially pass through the light-shaped baffle and the lens to respectively form a low beam and a high beam;

the front surface of the first condenser is provided with optical patterns which are wave stripes, the radius of each wave stripe is less than or equal to 2mm, and the chamfer radius between every two adjacent wave stripes is less than or equal to 0.3 mm; the back of the first condenser is provided with less than or equal to 5 first light gathering bowls in parallel, and the center distance between every two adjacent first light gathering bowls is less than or equal to 13 mm;

a plurality of optical patterns are arranged on two sides of the front surface of the second condenser, the optical patterns are wave stripes, the radius of each wave stripe is less than or equal to 3mm, and the radius of a chamfer between every two adjacent wave stripes is less than or equal to 0.3 mm; the back of the second condenser is provided with less than or equal to 3 second condenser bowls in parallel, and the center distance between every two adjacent second condenser bowls is less than or equal to 14 mm.

2. A motor vehicle headlight as claimed in claim 1, characterized in that: and the first condenser and the second condenser are respectively provided with a connecting lug and a positioning column, and are respectively positioned and fixed with the LED light source through the positioning column and the connecting lug.

3. A motor vehicle headlight as claimed in claim 1, characterized in that: the upper surface of the lens is provided with optical stripes, each optical stripe is semi-cylindrical, the height H of each optical stripe is less than or equal to 0.5mm, the cylindrical radius R of each semi-cylindrical optical stripe is less than or equal to 3mm, and the cylindrical chord length L is less than or equal to 2 mm.

4. A motor vehicle headlight as claimed in claim 1, characterized in that: light rays generated by the LED light source sequentially pass through the first condenser, the middle light type baffle and the lens, and then low beam is generated.

5. A motor vehicle headlight as claimed in claim 1, characterized in that: light rays generated by the LED light source sequentially pass through the second condenser, the middle light type baffle and the lens, and then a far light beam is generated.