CN215523145U

CN215523145U - Car light optical element, car light module, car light and vehicle

Info

Publication number: CN215523145U
Application number: CN202121201025.XU
Authority: CN
Inventors: 祝贺; 桑文慧
Original assignee: HASCO Vision Technology Co Ltd
Current assignee: HASCO Vision Technology Co Ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-01-14
Anticipated expiration: 2031-05-31

Abstract

The utility model relates to an automobile lamp, and discloses an optical element of the automobile lamp, which comprises an incident light part, a light passing part (1) and an emergent light part (2) which are sequentially arranged from back to front along a light emergent direction, wherein the incident light part comprises at least one low-beam incident light part (3) positioned in the middle and a high-beam incident light part (4) arranged on at least one of the left side and the right side of the low-beam incident light part (3), the light passing part (1) and the emergent light part (2) are integrally formed, and the emergent light part (2) comprises a high-beam incident light surface (5) which is positioned on at least one of the left side and the right side of the light passing part (1) and is opposite to the high-beam incident light part (4). In addition, the utility model also discloses a car lamp module, a car lamp and a car which comprise the optical element of the car lamp. The optical element of the vehicle lamp is beneficial to reducing positioning and mounting errors, ensures the precision of an optical system, has a simple structure, reduces the number of parts and reduces the cost.

Description

Car light optical element, car light module, car light and vehicle

Technical Field

The present invention relates to an automotive lamp, and in particular, to an optical element for a lamp. In addition, the utility model also relates to a vehicle lamp module, a vehicle lamp and a vehicle comprising the vehicle lamp optical element.

Background

The main functions of the vehicle lamp are to make the driver clearly see the road surface and obstacles and to effectively avoid the obstacles, such as a low beam lamp and a high beam lamp. With the development of the automobile industry, the requirements on the automobile lamps are higher and higher, the technology of the automobile industry is developed rapidly, the lamps are developed towards miniaturization, meanwhile, more requirements are also placed on the structural shapes of the automobile lamps, the automobile lamps with complex structures for meeting the use requirements in the past market are gradually eliminated, and the market has more and more requirements on the automobile lamps with narrow and long shapes.

Motor vehicles are equipped with headlamps intended to illuminate the road in front of the vehicle, especially at night or during inclement weather. Headlamps may generally be used according to two illumination modes: a "high beam" mode and a "low beam" mode. The "high beam" mode causes the road far in front of the vehicle to be illuminated, risking blinding users approaching in the opposite direction on the road. The "low beam" mode produces more limited illumination of the road, but still provides good visibility without blinding other users of the road.

At present, a high beam module and a low beam module are generally arranged to realize a high beam function and a low beam function, and the high beam module and the low beam module are arranged in a dispersed manner and are independent from each other, and have light emitting surfaces arranged in a dispersed manner, so that the appearance requirement of a customer on the light emitting surface of a car lamp cannot be met; moreover, the difficulty of positioning and mounting is increased due to the dispersed arrangement, so that the positioning and mounting errors of parts are easily larger, and the precision of an optical system is influenced.

In view of the above, a new optical element for a vehicle lamp is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a car lamp optical element which has a flat appearance shape, is beneficial to reducing positioning and mounting errors and ensuring the precision of an optical system and has a simple structure.

The utility model further aims to solve the technical problem of providing a car lamp module which has a flat appearance shape, is beneficial to reducing positioning and mounting errors and ensuring the precision of an optical system and has a simple structure.

A further object of the present invention is to provide a vehicle lamp having a flat appearance.

In addition, the object of the utility model is to provide a vehicle, the lamp of which has a flat design.

In order to solve the above technical problem, an aspect of the present invention provides an optical element for a vehicle lamp, including an incident light portion, an optical communication portion, and an optical exit portion, which are sequentially disposed from rear to front in an optical exit direction, wherein the incident light portion includes at least one low-beam incident light portion located in the middle and a high-beam incident light portion disposed on at least one of left and right sides of the low-beam incident light portion, the optical communication portion, and the optical exit portion are integrally formed, and the optical exit portion includes a high-beam incident light portion located on at least one of left and right sides of the optical communication portion and directly opposite to the high-beam incident light portion. In addition, the utility model also discloses a car lamp module, a car lamp and a car which comprise the optical element of the car lamp. The optical element of the vehicle lamp has a flat appearance model, is beneficial to reducing positioning and mounting errors, ensures the precision of an optical system, and has a simple structure.

Preferably, the low beam incident portion and the high beam incident portion are integrally formed.

Preferably, the light-emitting surface of the light-emitting portion is a narrow and long curved surface.

Specifically, the light-emitting surface of the light-emitting part is a smooth convex curved surface.

Preferably, the far-light incident surface is a curved surface protruding backward.

Preferably, the low-beam light entering portion and the high-beam light entering portion are of a light-gathering cup structure.

Preferably, a cut-off line forming structure for forming a low-beam cut-off line is provided on a lower boundary where the light-passing portion and the light-out portion are connected.

The utility model also discloses a car light module, which comprises at least one low-beam light source (7), at least one high-beam light source and any one of the car light optical elements, wherein each low-beam light source is in one-to-one correspondence with each low-beam light incoming part, and each high-beam light source is in one-to-one correspondence with each high-beam light incoming part.

The utility model also discloses a car lamp, which comprises the car lamp module in any one of the technical schemes.

The utility model also discloses a vehicle which comprises the vehicle lamp.

Through the technical scheme, the utility model has the following beneficial effects:

aiming at the problem that the positioning and assembling difficulty is increased due to the fact that the low beam module and the high beam module are arranged in a dispersed mode in the prior art, the light emitting part extends towards at least one of the left side and the right side to form the high beam light entering part, and the high beam light entering part is arranged on at least one of the left side and the right side of the low beam light entering part, so that light rays projected by the high beam light entering part can enter the high beam light entering part and enter the light emitting part, and then the light rays are emitted to form a high beam shape. Moreover, the number of parts is reduced, and the cost is reduced.

Further advantages of the present invention, as well as the technical effects of preferred embodiments, are further described in the following detailed description.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of an optical element for a vehicular lamp according to an embodiment of the present invention;

FIG. 2 is a second schematic perspective view of an optical element of a vehicular lamp according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure of an optical element for a vehicle lamp according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 6 is a schematic perspective view of a vehicular lamp module according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a vehicle lamp module according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view taken along line C-C of FIG. 7, showing the light rays traveling for the low beam light source;

fig. 9 is a cross-sectional view taken along line D-D of fig. 7, showing the ray paths of the high beam light source.

Description of the reference numerals

1 light-passing part 2 light-emitting part

3 low beam light incident part and 4 high beam light incident part

5 far-reaching light incident surface 6 light emergent surface

7 low beam light source and 8 high beam light source

9 cut-off line forming structure

Detailed Description

In the present invention, unless otherwise specified, the directions or positional relationships indicated by the directional words "rear", "front", "right and left", "both sides", "right and" facing "and the like are based on the directions or positional relationships shown in the drawings, and for example, the direction indicated by the directional word" front "is the normal traveling direction of the vehicle. The description of the orientation or positional relationship of the optical element for a vehicle lamp and the vehicle lamp module and parts thereof of the present invention is consistent with the mounting orientation thereof in actual use. This is for convenience in describing the utility model and for simplicity in description, and is not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be considered limiting; the directional terminology of the present invention should be understood in conjunction with the actual installation state.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "disposed" and "arranged" are to be interpreted broadly, and the specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, and it is to be understood that the detailed description is provided for purposes of illustration and explanation and is not intended to limit the scope of the utility model.

As shown in fig. 1, an embodiment of the optical element for a vehicle lamp according to the present invention includes an incident light portion, a light passing portion 1 and a light emitting portion 2 sequentially arranged from back to front along a light emitting direction, wherein the incident light portion includes a low-beam incident light portion 3 and a high-beam incident light portion 4, the low-beam incident light portion 3 is located at a middle portion of a rear end of the light passing portion 1, and the low-beam incident light portion 3, the light passing portion 1 and the light emitting portion 2 are integrally formed, and incident light of the low-beam incident light portion 3 is transmitted to the light emitting portion 2 through the light passing portion 1 and projected to the front through the light emitting portion 2 to form a low-beam shape. The high beam incident portion 4 is located at least one side of the left and right sides of the low beam incident portion 3, and the light exit portion 2 is also formed with a high beam incident surface 5 opposite to the high beam incident portion 4, and the emergent beam of the high beam incident portion 4 directly enters the high beam incident surface 5 of the light exit portion 2 and is projected to the front through the light exit portion 2 to form a high beam shape. The dipped beam light inlet part 3, the light passing part 1 and the light outlet part 2 are integrally formed, so that the structure of the optical element of the car lamp is simplified, the error in positioning and mounting is effectively reduced, and the precision of an optical system is ensured.

It should be noted that, as a preferred embodiment of the present invention, the number of the low-beam light entering portions 3 may be one or more, and the high-beam light entering portions 4 may be selectively disposed on one side or both sides of the low-beam light entering portions 3, and the number of the high-beam light entering portions 4 may also be one or more, according to the requirements of the lamps of different automobiles. Correspondingly, the high beam incident surface 5 is provided on the light emergent portion 2, which faces the high beam incident portion 4, and is also provided according to the needs of different vehicle types.

As a preferred embodiment of the present invention, referring to fig. 1, the low beam light incident portion 3 and the high beam light incident portion 4 of the optical element of the vehicle lamp according to the present invention may be an integrally molded component. Therefore, the optical element of the vehicle lamp is an integrally formed part. As shown in fig. 1, the light-out portion 2 is located at the front end of the light-transmitting portion 1, the incident light of the low-beam light-in portion 3 directly enters the light-transmitting portion 1 and then is projected to the front through the light-out portion 2 to form a low-beam light shape, the light-out portion 2 includes a high-beam light-out portion, the high-beam light-out portion is located on the left and right sides of the portion of the light-out portion 2 connected to the light-transmitting portion 1, the rear end face of the high-beam light-out portion is a high-beam light-in surface 5, the emergent light of the high-beam light-in portion 4 is directly projected to the high-beam light-in surface 5 and is projected to the front through the high-beam light-out portion to form a high-beam light shape. This structure design makes the light-emitting portion 2 have a shape of a narrow and long, and when applied to a vehicle lamp, the vehicle lamp can have a shape of a narrow and long appearance.

Referring to fig. 2 to 5, as a preferred embodiment of the present invention, the light emitting surface 6 of the light emitting portion 2 is a narrow and long curved surface, the shape of the existing car lamp in the market gradually converges to a flat shape, the light emitting surface 6 with the narrow and long curved surface is more matched with the flat car lamp, and the curved surface has a light converging effect on light, so that the light projected by the low beam light entering portion 3 and the high beam light entering portion 4 are respectively converged, and are not easily dispersed, so that the formed light shape is clearer, and the road surface irradiation effect is better.

It should be noted that the light emitting surface 6 of the light emitting portion 2 is a smooth convex curved surface, and the light emitting surface 6 is designed to be a smooth convex curved surface on the basis of a narrow and long curved surface, so that the shape is more attractive, and the light emitting surface is more matched with a flat car lamp.

Preferably, the far-light incident surface 5 disposed on the light emitting portion 2 and located on at least one of the left and right sides of the light transmitting portion 1 is a curved surface protruding backward, and is obtained by combining the law of refraction of light and the method of surface fitting by specifying parameters such as the shape of the light emitting surface 6, the focal point, and the direction of light emitted from the light emitting surface.

Referring to fig. 2, as a preferred embodiment of the present invention, the low-beam light incident portion 3 and the high-beam light incident portion 4 are light-gathering cup structures, and the light-gathering cup structures have a good light-gathering function, and in the present invention, the low-beam light incident portion 3 and the high-beam light incident portion 4 are configured as light-gathering cup structures, so that the light beams projected from the low-beam light source 7 and the high-beam light source 8 can be effectively gathered, and the light utilization rate can be improved.

In addition, as shown in fig. 2, a cut-off line forming structure 9 for forming a low-beam cut-off line is provided on a lower boundary where the light passing portion 1 and the light exit portion 2 are connected. The low-beam cut-off line is a cut-off line of light and shade, and is a cut-off line of light and shade which eyes feel suddenly changed after light is projected on the light distribution screen. The cut-off line forming structure 9 of the optical element of the vehicle lamp of the present invention is provided on the lower boundary where the light passing portion 1 and the light exit portion 2 are connected, and forms a low-beam illumination light pattern having a cut-off line of brightness after passing through the cut-off line forming structure 9 in the process that the low-beam light source 7 projects light toward the light exit portion 2 through the low-beam light entrance portion 3.

It should be noted that the optical element for a vehicle lamp of the present invention is mainly made of a high temperature resistant light-transmitting material, and since the light source in the prior art emits intense heat when in use, the optical element for a vehicle lamp is made of a high temperature resistant light-transmitting material for safety and normal operation, wherein the high temperature resistant light-transmitting material may be silica gel, glass, or the like, and the plastic may be a Polycarbonate (PC) material or a polymethyl methacrylate (PMMA) material, or the like. Compared with plastics such as PC or PMMA, the silica gel material has better optical performance and heat resistance, and compared with plastics such as PC or PMMA, the silica gel material has better structural rigidity.

The optical element for a vehicle lamp according to the present invention is described above with reference to specific embodiments, and it should be understood that the optical element for a vehicle lamp according to the present invention is not limited to the specific structural forms described in the above embodiments, and may be other structural forms as long as the condition that the optical body is made of a high temperature resistant light transmitting material is satisfied, so that the optical element for a vehicle lamp according to the present invention can achieve the purposes of good high temperature resistance and good mounting reliability. For example, the portion of the optical element of the vehicular lamp other than the light exit portion 2 is made of silica gel or glass, and the light exit portion 2 is mainly made of Polycarbonate (PC) material.

In addition, the optical structure of the optical element for a vehicle lamp of the present invention has high integration, and the light shape of the vehicle lamp for illumination can be formed without additional projection lens, and the light exit surface 6 of the light exit portion 2 is the light exit surface of the vehicle lamp module. In order to meet the need for a vehicle lamp shape, the low beam light entering portion 3, the light passing portion 1, and the light emitting portion 2 of the vehicle lamp optical element of the present invention are integrally molded, so that at least one inner lens may be provided between the integrally molded member and the outer lens, and the inner lens may be a plastic member having an equal wall thickness or a plastic member having a light distribution function on the back surface.

As shown in fig. 6 to 9, an embodiment of the vehicle lamp module according to the present invention includes at least one low-beam light source 7, at least one high-beam light source 8, and the vehicle lamp optical elements according to the above embodiments, wherein each low-beam light source 7 is disposed in one-to-one correspondence with each low-beam light inlet portion 3, and each high-beam light source 8 is disposed in one-to-one correspondence with each high-beam light inlet portion 4.

The optical element for a vehicle lamp according to the present invention can be applied to a lighting device of a vehicle lamp, for example, referring to fig. 1, the optical element for a vehicle lamp according to the present invention includes an incident light portion, a light passing portion 1, and a light emitting portion 2, which are sequentially arranged from rear to front in a light emitting direction, wherein the incident light portion includes a low-beam incident light portion 3 and a high-beam incident light portion 4, the low-beam incident light portion 3 is located at a middle portion of a rear end of the light passing portion, the low-beam incident light portion 3, the light passing portion 1, and the light emitting portion 2 are integrally formed, and incident light of the low-beam incident light portion 3 is transmitted to the light emitting portion 2 through the light passing portion 1 and projected to the front through the light emitting portion 2 to form a low-beam shape. The high beam light incoming portion 4 is located on the left and right sides of the low beam light incoming portion 3, and the light outgoing portion 2 is further provided with high beam light incoming surfaces 5 located on the left and right sides of the light outgoing portion 1 and facing the high beam light incoming portion 4, and the outgoing beam of the high beam light incoming portion 4 directly enters the high beam light incoming surfaces 5 in the light outgoing portion 2 and is projected to the front through the light outgoing portion 2 to form a high beam shape. Through setting up low beam light inlet portion 3 and light portion 1, light-emitting portion 2 and become integrated into one piece, reduced the quantity of spare part, the cost is reduced to, as the car light optical element structure after the simplification, the error when effectual reduction is installed has guaranteed optical system's precision.

The utility model also provides a car lamp module, which comprises the car lamp optical element, the low-beam light source 7 and the high-beam light source 8, and the car lamp optical element is installed in the car lamp module, so that the car lamp module has the same beneficial effects as the car lamp optical element.

The utility model further provides a car lamp, and the car lamp module is installed in the car lamp. The optical element of the utility model is arranged in the module, so the optical element of the utility model has the same beneficial effects as the optical element of the lamp.

The utility model further provides a vehicle, and the vehicle lamp is mounted in the vehicle. Since the optical element for a vehicle lamp of the present invention is mounted in the vehicle lamp, the same advantageous effects as those of the optical element for a vehicle lamp can be obtained.

In the description of the present invention, reference to the description of "one embodiment," "some embodiments," "a specific implementation," etc., means 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 invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the utility model, numerous simple modifications can be made to the technical solution of the utility model, including combinations of the individual specific technical features in any suitable way. The utility model is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.

Claims

1. An optical element for a vehicle lamp, characterized by comprising an incident light portion, a light-passing portion (1) and an exit light portion (2) which are sequentially arranged from back to front in a light exit direction, wherein the incident light portion comprises at least one low-beam incident light portion (3) located in the middle and a high-beam incident light portion (4) arranged on at least one of the left and right sides of the low-beam incident light portion (3), the light-passing portion (1) and the exit light portion (2) are integrally formed, and the exit light portion (2) comprises a high-beam incident light surface (5) which is located on at least one of the left and right sides of the light-passing portion (1) and is directly opposite to the high-beam incident light portion (4).

2. The optical element according to claim 1, wherein the low-beam light entry portion (3) and the high-beam light entry portion (4) are an integral molding.

3. The optical element according to claim 1, wherein the light exit surface (6) of the light exit portion (2) is a long narrow curved surface.

4. The optical element according to claim 3, wherein the light exit surface (6) of the light exit portion (2) is a smooth convex curved surface.

5. The optical element for a vehicular lamp according to claim 1, wherein said light entrance surface (5) is a curved surface convex rearward.

6. The optical element according to claim 1, wherein the low-beam light entrance portion (3) and the high-beam light entrance portion (4) are of a light-concentrating cup structure.

7. The vehicle lamp optical element according to any one of claims 1 to 6, wherein a cut-off line forming structure (9) for forming a low beam cut-off line is provided on a lower boundary where the light-passing portion (1) is connected to the light-out portion (2).

8. A vehicle lamp module comprising at least one low-beam light source (7), at least one high-beam light source (8), and the optical element of the vehicle lamp according to any one of claims 1 to 7, wherein each of the low-beam light sources (7) is disposed in one-to-one correspondence with each of the low-beam light incident portions (3), and each of the high-beam light sources (8) is disposed in one-to-one correspondence with each of the high-beam light incident portions (4).

9. A vehicular lamp characterized by comprising the vehicular lamp module according to claim 8.

10. A vehicle characterized by comprising the lamp according to claim 9.