CN222186681U

CN222186681U - A low beam module with a flat shape

Info

Publication number: CN222186681U
Application number: CN202420418037.5U
Authority: CN
Inventors: 宋健; 陆飞跃; 陆春艳; 朱良康
Original assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Current assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date: 2024-03-05
Filing date: 2024-03-05
Publication date: 2024-12-17
Anticipated expiration: 2034-03-05

Abstract

The utility model discloses a plane-shaped low beam module which comprises a first lens, a lens support, a second lens and a radiator, wherein the first lens, the lens support, the second lens and the radiator are sequentially arranged from outside to inside, the first lens is arranged on the outer side of the lens support, the second lens is assembled on the inner side of the lens support, the end part of the radiator is connected to the integral structure of the second lens and the lens support, an LED module and a reflecting bowl are arranged on the radiator, the reflecting bowl is arranged above the LED module and is close to the inner side of the second lens, a low beam cutoff baffle is arranged between the second lens and the reflecting bowl, the low beam cutoff baffle is arranged at the focal position of the first lens and the second lens, when the LED module is lighted, light rays are emitted to the reflecting bowl, the light rays are collected by the reflecting bowl and then are projected onto the low beam cutoff baffle, and the light rays passing through the low beam cutoff baffle are refracted by the second lens and the first lens and then form a low beam in front of a vehicle. The utility model adopts planar light-emitting modeling, reduces the size of an opening, has compact assembly of internal parts and is lighter overall.

Description

Plane modeling's passing light module

Technical Field

The utility model relates to the technical field of automobile lamps, in particular to a plane-shaped low-beam module.

Background

Automotive low beam lights are an important light source in automotive lighting systems for providing a proper lighting effect for the driver to run normally during night or bad weather.

At present, the general opening size of passing light module among the prior art is great, and the design is single, and the molding face is protruding, and it is not pleasing to the eye enough to observe from the outside to internally mounted space is crowded, and the part cooperation is complicated, and weight is great, does not accord with the diversity development trend of car light flattening, lightweight. Meanwhile, most of the dipped beam modules have the problems of inconsistent brightness and uneven lighting effect.

Disclosure of utility model

The utility model aims to solve the technical problems of overcoming the defects of the prior art and providing a plane-shaped low beam module which adopts a plane light-emitting shape, reduces the size of an opening, has compact internal part assembly and is lighter as a whole.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

A low beam module with a planar shape comprises a first lens, a lens bracket, a second lens and a radiator which are sequentially arranged from outside to inside;

the first lens is arranged outside the lens bracket, the second lens is assembled inside the lens bracket, and the end part of the radiator is connected to the integral structure of the second lens and the lens bracket;

The radiator is provided with an LED module and a reflecting bowl, the reflecting bowl is positioned above the LED module and is abutted against the inner side of the second lens, a low-beam cutoff baffle is also arranged between the second lens and the reflecting bowl, and the low-beam cutoff baffle is positioned at the focal point position of the first lens and the second lens;

Light can be directed to the reflection bowl when the LED module is lighted, and light is collected by the reflection bowl and is projected onto the low beam stop line baffle, and light passing through the low beam stop line baffle forms a low beam light type in front of the vehicle after passing through the refraction of the second lens and the first lens.

Further, the first lens and the second lens are both plano-convex lenses.

Further, the inner surface of the reflecting bowl is provided with an aluminized layer.

Further, the reflectivity of the inner surface of the reflecting bowl is higher than 0.9.

Further, the low beam cutoff is provided with a periodic low beam cutoff shape.

Further, the first lens and the second lens are both made of PC materials.

Further, the focal length of the first lens is 13.5mm.

Further, the focal length of the second lens is 53mm.

Further, the LED module is provided with four single-core LED light sources and two double-core LED light sources, and the light paths of the LED light sources are mutually independent.

Further, the light emitting area of each LED light source is 1mm×1mm.

By adopting the technical scheme, the utility model has the following beneficial effects:

1. According to the utility model, through the compact assembly design of the first lens, the lens support, the second lens, the LED module, the reflecting bowl, the low beam cutoff baffle and the radiator, the installation space of the whole structure is reduced, the optical structure is simplified, the size of an opening can be reduced on the basis of meeting the light distribution requirement, and the light weight of the low beam module is ensured.

2. According to the utility model, through the optical cooperation of the low beam cutoff baffle, the second lens and the first lens, the light transmitted through the low beam cutoff baffle can form a low beam light type in front of a vehicle after being refracted by the second lens and the first lens, so that the first lens and the second lens can adopt a plano-convex lens to form a planar light-emitting model, the size of an opening is further reduced, the model diversity is also increased, and the vehicle lamp is more close to the development trend of flattened and light-weighted vehicle lamps.

3. The low beam module adopts a scheme of combining a plurality of optical systems, and light rays emitted by the LEDs are projected to the front of a road according to a specific path to form a low beam type, so that a better cut-off line and a uniform road illumination effect can be generated, and the lighting uniformity effect and the brightness consistency are ensured.

Drawings

FIG. 1 is a schematic diagram of the structural assembly of an embodiment of the present utility model;

FIG. 2 is an exploded view of an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a second lens structure according to an embodiment of the utility model;

FIG. 4 is a schematic view of a low beam cutoff according to an embodiment of the present utility model;

FIG. 5 is a light-emitting pattern diagram according to an embodiment of the present utility model;

The LED lamp comprises a first lens, a lens support, a second lens, a low beam cutoff baffle, a reflecting bowl, an LED module and a radiator, wherein the first lens, the lens support, the second lens, the low beam cutoff baffle, the reflecting bowl, the LED module and the radiator are arranged in sequence.

Detailed Description

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

As shown in fig. 1-5, in this embodiment, a plane-shaped dipped beam module is provided, which is mainly composed of a first lens 1, a lens support 2, a second lens 3, a radiator 7 and other components which are sequentially arranged from outside to inside, wherein the first lens 1 and the second lens 3 are made of PC materials, the first lens 1 is fixed on the outer side of the lens support 2, the second lens 3 is assembled on the inner side of the lens support 2, and the end part of the radiator 7, the second lens 3 and two sides of the lens support 2 are integrally assembled and locked through long screws. The radiator 7 is further provided with an LED module 6 and a reflecting bowl 5, the reflecting bowl 5 is located above the LED module 6 and is abutted against the inner side of the second lens 3, a low-beam cutoff baffle 4 is further arranged between the second lens 3 and the reflecting bowl 5, the low-beam cutoff baffle 4 is stably limited by means of limiting grooves on the inner sides of the radiator 7 and the second lens 3, and meanwhile the low-beam cutoff baffle 4 is located at the focal position of the combination of the first lens 1 and the second lens 3. The compact assembly design of the structure reduces the installation space of the whole structure, simplifies the optical structure, reduces the size of an opening on the basis of meeting the light distribution requirement, and ensures the lightening of the low beam module.

Specifically, an aluminized layer is arranged on the inner surface of the reflecting bowl 5 to improve the reflecting effect, and the reflectivity of the inner surface of the reflecting bowl 5 is higher than 0.9.

In this embodiment, the first lens 1 and the second lens 3 are plano-convex lenses, the focal length of the first lens 1 is 13.5mm, the focal length of the second lens 3 is 53mm, four single-core LED light sources and two dual-core LED light sources are specifically arranged on the LED module 6, the light paths of the LED light sources are independent, and the light emitting area of each LED light source is 1mm x 1mm.

When the low beam module works, the LED module 6 is lighted to emit light, the light is emitted to the reflecting bowl 5, the light is collected by the reflecting bowl 5 and then is projected onto the low beam cutoff baffle 4, and the light passing through the low beam cutoff baffle 4 sequentially passes through the second lens 3 and the first lens 1, and the low beam light can be formed in front of a vehicle after being refracted by the second lens 3 and the first lens 1. Through the design, the longitudinal opening size of the low beam module can be reduced to below 15mm while the light distribution regulation of the vehicle is met, the size and the installation space of the module are effectively reduced, the weight of the module is reduced, the light emergent modeling of the low beam module presents a plane, modeling diversity is increased, and the low beam module is more close to the development trend of flattened and light-weighted automobile lamps.

In addition, the low beam cutoff 4 is provided with periodic low beam cutoff shapes, and the low beam cutoff shapes in each light path are different, so that the light type cutoff after passing through the first lens 1 and the second lens 3 can be perfectly fused. The low beam module of this embodiment adopts the scheme of a plurality of optical system combination designs, throws the light that the LED sent to the road the place ahead according to specific route, forms low beam light type, can produce better light and shade cut-off line and even road lighting effect, has guaranteed the uniformity of lighting up even effect and light and shade.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The technical problems, technical solutions and beneficial effects that the present utility model solves are further described in detail in the above specific embodiments, it should be understood that the above description is only specific embodiments of the present utility model and is not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. that fall within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. The plane-shaped low beam module is characterized by comprising a first lens (1), a lens bracket (2), a second lens (3) and a radiator (7) which are sequentially arranged from outside to inside;

The first lens (1) is arranged outside the lens support (2), the second lens (3) is assembled inside the lens support (2), and the end part of the radiator (7) is connected to the integral structure of the second lens (3) and the lens support (2);

The radiator (7) is provided with an LED module (6) and a reflecting bowl (5), the reflecting bowl (5) is positioned above the LED module (6) and is close to the inner side of the second lens (3), a low-beam cutoff baffle (4) is further arranged between the second lens (3) and the reflecting bowl (5), and the low-beam cutoff baffle (4) is positioned at the focal position of the combination of the first lens (1) and the second lens (3);

light can be directed to reflection bowl (5) when LED module (6) are lighted, and light is collected by reflection bowl (5) and is projected on passing through light cut-off line baffle (4), and the light that sees through passing through light cut-off line baffle (4) forms passing through light type before the vehicle after the refraction of second lens (3) and first lens (1) again.

2. The planar shaped low beam module as claimed in claim 1, wherein the first lens (1) and the second lens (3) are plano-convex lenses.

3. The plane-shaped low beam module as claimed in claim 1, wherein the inner surface of the reflecting bowl (5) is provided with an aluminized layer.

4. A planar shaped low beam module according to claim 3, characterized in that the reflectivity of the inner surface of the reflecting bowl (5) is higher than 0.9.

5. The planar shaped low beam module as claimed in claim 1, wherein the low beam cutoff (4) is provided with a periodic low beam cutoff shape.

6. The planar shaped low beam module as claimed in claim 1, wherein the first lens (1) and the second lens (3) are made of PC material.

7. A planar shaped low beam module according to claim 1, characterized in that the focal length of the first lens (1) is 13.5mm.

8. The planar shaped low beam module as claimed in claim 7, wherein the focal length of the second lens (3) is 53mm.

9. The plane-shaped low beam module as set forth in claim 1, wherein the LED module (6) is provided with four single-core LED light sources and two double-core LED light sources, and the light paths of each LED light source are mutually independent.

10. The planar shaped low beam module as claimed in claim 9, wherein the light emitting area of each of the LED light sources is 1mm by 1mm.