CN212987095U - Car light optical element, car light module and vehicle - Google Patents

Abstract

The utility model relates to a vehicle lighting device discloses a car light optical element, including light-passing portion (2) and light-emitting portion (3), light-passing portion (2) is including going into plain noodles (25), first plane of reflection (21) and second plane of reflection (22), first plane of reflection (21) with second plane of reflection (22) set up relatively, so that the light that goes into plain noodles (25) receives passes through in proper order first plane of reflection (21) with directive behind second plane of reflection (22) light-emitting portion (3). Furthermore, the utility model also discloses a car light module and vehicle. The utility model discloses a car light optical element is miniaturized, the degree of integrating is higher.

Description

Car light optical element, car light module and vehicle

Technical Field

The utility model relates to a vehicle lighting device specifically relates to a car light optical element. Furthermore, the utility model discloses still relate to one kind and include car light optical element's car light module and vehicle.

Background

In recent years, the car lamp and the car lamp module assembled in the car lamp have been rapidly developed, from the early halogen lamp to the later hernia lamp, and then to the current LED and laser light source, so that the car lamp becomes more intelligent and the shape is more differentiated. Among various car light sources, the LED light source has been gradually paid attention to by car manufacturers due to its excellent performance and low cost advantage, and along with the development of the LED light source, its light distribution structure has been gradually developed.

The lighting module with the LED light source commonly used in the automobile lamp in the prior art generally comprises a light source, a reflecting element, a shading plate, a lens and a mounting bracket, wherein light rays emitted by the light source are reflected by the reflecting element and then emitted to the shading plate, and after being intercepted by the shading plate, the light rays are projected by the lens to form the required parallel light-like lighting light shape. The number and the types of parts in the lighting module in the prior art are more, so that on one hand, the precision of an optical system is influenced due to the manufacturing errors of the parts and the assembly errors among the parts, and further the lighting light shape is influenced, on the other hand, the cost of the lighting module is increased due to parts such as a light screen, a support and the like, and the positioning and mounting difficulty of the lighting module is increased; in addition, the front and back propagation distance of the light in the lighting system is longer, and the distance between the reflecting element and the lens is longer, so that the length of the lighting module is increased, which is in outstanding contradiction with the trend of more compact car lamp models in the future.

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

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that the first aspect will be solved provides a car light optical element, and this car light optical element is miniaturized, the degree of integrating is higher.

The utility model discloses the technical problem that the second aspect will be solved provides a car light module, and this car light module is miniaturized, the degree of integrating is higher.

The utility model discloses the technical problem that the third aspect will be solved provides a vehicle, and the car light module miniaturization of this vehicle, the degree of integrating are higher.

In order to solve the technical problem, an aspect of the present invention provides a vehicle lamp optical element, including light-passing portion and light-emitting portion, light-passing portion is including going into plain noodles, first plane of reflection and second plane of reflection, first plane of reflection with the second plane of reflection sets up relatively, so that the light that goes into the plain noodles and receives passes through in proper order first plane of reflection with the directive behind the second plane of reflection light-emitting portion.

Preferably, the first reflecting surface can reflect light received by the light incident surface backwards or upwards to the second reflecting surface, and a rear edge of the first reflecting surface forms a cut-off line structure one; or, the first reflecting surface can reflect light received by the light incident surface downwards to the second reflecting surface, and a third cut-off line structure is formed at the rear edge of the second reflecting surface.

Further preferably, the first reflecting surface can reflect light received by the light incident surface backwards or upwards to the second reflecting surface, a first cut-off line structure is formed at a rear edge of the first reflecting surface, and a light converging point of an optical system formed by the second reflecting surface and the light emergent portion is located at the first cut-off line structure; or the first reflecting surface can reflect light received by the light incident surface downwards to the second reflecting surface, a third cut-off line structure is formed at the rear edge of the second reflecting surface, and a light converging point of an optical system formed by the first reflecting surface, the second reflecting surface and the light emergent part is positioned at the third cut-off line structure.

Preferably, a protruding structure is arranged on the light-passing portion, and a rear surface of the protruding structure intersects with the light-passing portion to form a cut-off line structure two.

Further preferably, a light converging point of an optical system formed by the first reflecting surface, the second reflecting surface and the light emergent portion is located at the second cut-off line structure.

Further preferably, the second cut-off line structure is a curve with inflection points, two sides of which are bent forwards; or the second cut-off line structure is a smooth curve with two sides bent forwards.

Preferably, the optical element of the car lamp further comprises a light-condensing part arranged behind the light-incident surface, and the light-condensing part is of a light-condensing cup structure; or the light-gathering part is a curved surface structure or a cone structure which protrudes backwards.

As a specific structural form, in a case that the light-gathering portion is of a light-gathering cup structure, an external profile surface of the light-gathering portion is a curved surface gradually increasing from one end far away from the light-passing portion to one end near the light-passing portion, an inner concave cavity is formed in one end far away from the light-passing portion of the light-gathering portion, the inner concave cavity includes a front light-in surface and a side light-in surface, the front light-in surface is a curved surface protruding towards one side far away from the light-passing portion, and the side light-in surface is a curved surface gradually decreasing from one end far away from the light-passing portion to one end near the light-passing portion.

Preferably, the optical element of the vehicle lamp is a solid optical conductor which is integrally molded.

Specifically, the first reflecting surface and the second reflecting surface are provided with coating reflecting layers.

More specifically, the first and second reflective surfaces are planar.

Preferably, the light emitting part includes a light emitting surface, and the light emitting surface is a curved surface protruding forward.

The utility model discloses the second aspect still provides a car light module, including any one in light source and the first aspect technical scheme car light optical element, the light source is located the rear of income plain noodles.

The utility model discloses the third aspect still provides a vehicle, include according to the car light module in the technical scheme of the second aspect.

Through the optical element of the vehicle lamp in the basic technical scheme, the following technical effects can be achieved:

1. the optical shape can be independently formed, other optical elements are not needed, the integration degree is high, a connecting structure among the optical elements is omitted, the cost is reduced, manufacturing errors and installation errors caused by a plurality of and miscellaneous parts are avoided, and the accuracy and the stability of the optical shape are guaranteed;

2. the front and back transmission distances of light rays are shortened by utilizing the first reflecting surface and the second reflecting surface, so that the occupied space of the optical element is smaller, the utilization efficiency of the space of the car lamp is greatly improved, and the miniaturization degree of the car lamp is high;

3. simple structure to reduce the structural complexity of car light module, simplified the process flow of production for the production beat, practiced thrift manufacturing cost, thereby avoided assembly error guarantee emergent light shape stable.

Further advantages of the invention, as well as the technical effects of preferred embodiments, will be further explained in the following detailed description.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the optical element of the vehicle lamp according to the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural diagram of a second embodiment of the optical element of the present invention;

FIG. 4 is a second schematic structural diagram of a second embodiment of the optical element of the present invention;

fig. 5 is a schematic optical path diagram of a second embodiment of the optical element of the vehicle lamp according to the present invention;

fig. 6 is a schematic structural view of a third embodiment of the optical element for a vehicle lamp according to the present invention;

FIG. 7 is a second schematic structural diagram of a third embodiment of an optical element for a vehicle lamp according to the present invention;

fig. 8 is a third schematic structural diagram of a third embodiment of the optical element of the vehicle lamp according to the present invention;

fig. 9 is a schematic light path diagram of a third embodiment of the optical element for a vehicle lamp according to the present invention;

FIG. 10 is a left side view of FIG. 7;

FIG. 11 is a bottom view of FIG. 7;

fig. 12 is a schematic structural view of a fourth embodiment of the optical element for a vehicle lamp according to the present invention;

fig. 13 is one of schematic structural diagrams of a fifth embodiment of the optical element for a vehicle lamp according to the present invention;

fig. 14 is a second schematic structural diagram of a fifth embodiment of the optical element of the vehicle lamp according to the present invention;

fig. 15 is a schematic optical path diagram of a fifth embodiment of the optical element of the vehicle lamp according to the present invention;

fig. 16 is one of schematic structural views of a sixth embodiment of the optical element for a vehicle lamp according to the present invention;

fig. 17 is a second schematic structural diagram of a sixth embodiment of the optical element of the vehicle lamp according to the present invention;

fig. 18 is a schematic optical path diagram of a sixth embodiment of the optical element for a vehicle lamp according to the present invention;

fig. 19 is a schematic structural diagram of a seventh embodiment of the optical element of the vehicle lamp according to the present invention and its optical path diagram;

fig. 20 is a schematic structural diagram of an eighth embodiment of the optical element of the vehicle lamp according to the present invention and its optical path diagram;

fig. 21 is an installation diagram of the light source and the light-condensing unit according to the present invention.

Description of the reference numerals

1 light-gathering part and 2 light-passing part

21 first reflecting surface 22 second reflecting surface

23 raised structure 24a cutoff structure one

24b cut-off line structure two 24c cut-off line structure three

25 incident light surface

3 light-emitting part 31 light-emitting surface

4 light source

Detailed Description

The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, and it should be understood that the embodiments described herein are merely for purposes of illustration and explanation, and the scope of the present invention is not limited to the following embodiments.

It is to be understood that, as shown in fig. 1, based on the optical element for a vehicle lamp, when it is normally installed in the vehicle lamp, in the light outgoing direction, "front" means the end of the light outgoing portion 3, "rear" means the end of the light incoming surface 25, "left" means the left side in the light outgoing direction, "right" means the right side in the light outgoing direction, "up" means above in the light outgoing direction, "down" means below in the light outgoing direction, in the actual installation situation, the terms of orientation, which are based on the orientation or positional relationship shown in the drawings, should be interpreted in accordance with the actual installation state in conjunction with the host vehicle lamp optical element itself, merely for convenience of description of the present invention and for simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. The light emitting direction is a direction of the light emitted from the optical element of the vehicle lamp. According to the definition of GB 4599-2007-filament bulb headlamp for automobile: the cutoff line is a cut-off line at which a light beam projected on the light distribution screen is visibly changed in shade, and the low beam cutoff line is an upper boundary of a low beam shape of the vehicle lamp.

Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, and therefore the features defined "first", "second" may explicitly or implicitly include one or more of the features described.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that, for the requirements of vehicle lamp modeling, at least one inner lens may be disposed between the vehicle lamp optical element and the outer lens, and the inner lens may be a common plastic piece with equal wall thickness, only for representing the required modeling, or a light distribution plastic piece with a light distribution function on the back.

Referring to fig. 1 and 2, a first aspect of the present invention provides an optical element for a vehicle lamp, including a light passing portion 2 and a light emitting portion 3, which are sequentially disposed, the light passing portion 2 includes a light incident surface 25, a first reflective surface 21 and a second reflective surface 22. The light incident surface 25 may be a plane or a curved surface protruding backward, light is emitted from the light incident surface 25 to the light transmitting portion 2, and the first reflective surface 21 and the second reflective surface 22 are disposed opposite to each other, so that the light is emitted to the light emitting portion 3 after being reflected by the first reflective surface 21 and the second reflective surface 22 in sequence. Optionally, the first reflection surface 21 and the second reflection surface 22 are disposed in front of and behind each other, the light received by the light incident surface 25 is firstly emitted to the first reflection surface 21, the first reflection surface 21 can reflect the light to the second reflection surface 22 in a backward direction, the second reflection surface 22 reflects the light to the light emergent portion 3 in a forward direction, and the light emergent portion 3 projects the light to form an emergent light shape; alternatively, the first reflection surface 21 and the second reflection surface 22 are vertically arranged, the light received by the light incident surface 25 is firstly emitted to the first reflection surface 21, the first reflection surface 21 can reflect the light upwards or downwards to the second reflection surface 22 and then to the light emergent part 3, and the light emergent shape is formed by projection of the light emergent part 3.

The lighting module in the prior art generally comprises a light source, a reflecting element, a light shielding plate, a lens and a mounting bracket, wherein light rays emitted by the light source are reflected by the reflecting element and then emitted to the light shielding plate, and are intercepted by the light shielding plate and then projected by the lens to form a required parallel light-like lighting light shape. Obviously, the number and the types of the parts of the lighting module with the structure are large, the positioning precision is low, the front and back propagation distance of light is long, and the distance between the reflecting element and the lens is long, so that the length of the lighting module is long, and the arrangement flexibility in the limited space of the car lamp is not high.

And the utility model discloses a car light optical element utilizes first plane of reflection 21 and second plane of reflection 22 to change the conduction direction of light in car light optical element ingeniously for the light received by income plain noodles 25 is in proper order through first plane of reflection 21 and second plane of reflection 22 reflection back directive light-emitting portion 3, thereby under the unchangeable condition of optical distance, has shortened the propagation distance around light, has reduced the ascending occupation space of this car light optical element at the car light fore-and-aft direction.

The vehicle lamp optical element of the basic technical scheme of the utility model can independently form light shape, does not need other optical elements such as light screen, lens and the like, has high integration degree, can also avoid assembly errors generated among the optical elements in the assembly process, improves the assembly precision, and thus can improve the optical precision; moreover, the first reflecting surface 21 and the second reflecting surface 22 are utilized to shorten the front-back propagation distance of light, so that the space occupied by the optical element of the vehicle lamp is smaller, the structure is more compact, the miniaturization degree is high, the arrangement in the vehicle lamp is more flexible, and the requirements of users on the personalized and scientific vehicle lamp shape are met; in addition, this car light optical element simple structure has reduced the assembly of car light module, has adjusted luminance the degree of difficulty, has simplified the process flow of production for the production beat, practiced thrift manufacturing cost, avoided assembly error, thereby the guarantee emergent light shape is stable.

The present invention relates to a vehicle lamp optical element, which can be used to realize various lighting light shapes, and can be applied to various lighting vehicle lamps, such as high beam, low beam, corner light or fog light, etc., taking the application to low beam as an example, it can form a lighting light shape with low beam cut-off line, as a structure of a vehicle lamp optical element for low beam, referring to fig. 3 to 5, a first reflective surface 21 reflects light back to a second reflective surface 22, and a cut-off line structure 24a is formed at the intersection of the lower surface of a light passing part 2 and the first reflective surface 21, i.e. at the rear edge of the first reflective surface 21; alternatively, referring to fig. 13 to 15, the first reflecting surface 21 reflects the light upward to the second reflecting surface 22, and a cut-off line structure one 24a is formed at the intersection of the lower surface of the light passing portion 2 and the first reflecting surface 21, that is, at the rear edge of the first reflecting surface 21; alternatively, referring to fig. 19, the first reflecting surface 21 reflects the light downward to the second reflecting surface 22, and a third cut-off line structure 24c is formed at the intersection of the lower surface of the light passing part 2 and the second reflecting surface 22, that is, at the rear edge of the second reflecting surface 22. The light incident from the light incident surface 25 is reflected by the first and second reflection surfaces 21 and 22 in sequence, then emitted to the light emergent portion 3, and projected by the light emergent portion 3 to form an illumination light pattern. More specifically, in the embodiment shown in fig. 5 and 15, the light emitted to the cut-off line structure one 24a is reflected by the second reflective surface 22 and emitted to the light-emitting portion 3, and the light is projected by the light-emitting portion 3 to form a cut-off line of the illumination light shape, the cut-off line is located at an upper boundary of the illumination light shape, the light emitted to the first reflective surface 21 is reflected by the second reflective surface 22 and emitted to the light-emitting portion 3, and the light is projected by the light-emitting portion 3 to form the illumination light shape; in the embodiment shown in fig. 19, the light incident on the cut-off line structure three 24c is reflected by the first reflective surface 21 and the second reflective surface 22 in sequence and then emitted to the light-emitting portion 3, and the light is projected by the light-emitting portion 3 to form a cut-off line of the illumination light shape, the cut-off line is located at the upper boundary of the illumination light shape, the light emitted to the first reflective surface 21 is reflected by the second reflective surface 22 and then emitted to the light-emitting portion 3, and the light is projected by the light-emitting portion 3 to form the illumination light shape. The first cut-off line structure 24a and the third cut-off line structure 24c can be broken lines or curves with inflection points, and are used for forming a low-beam cut-off line with the inflection points, and the illumination light shape can be a complete low-beam light shape or a main low-beam light shape projected to a low-beam central area; the first cut-off line structure 24a and the third cut-off line structure 24c can also be straight lines or arc lines for forming a horizontal low-beam cut-off line, and the illumination light pattern can be an auxiliary low-beam light pattern projected to the low-beam widening area.

Preferably, referring to fig. 5 and fig. 15, when the first reflection surface 21 reflects the light received by the light incident surface 25 back or upward to the second reflection surface 22, and a first cut-off line structure 24a is formed at the rear edge of the first reflection surface 21, a light converging point of an optical system formed by the second reflection surface 22 and the light emergent portion 3 is located at or near the first cut-off line structure 24 a. The light converging point of the optical system is a point where parallel light rays enter the second reflecting surface 22 from the front of the light emergent portion 3, are reflected to the first cut-off line structure 24a or a region near the first cut-off line structure 24a by the second reflecting surface 22, and then converge on the first cut-off line structure 24a or a region near the first cut-off line structure. More vividly, the second reflecting surface 22 is a plane, the parallel light is incident from the front of the light emergent portion 3 and is refracted by the light emergent portion 3 to be converged to form a focal point, the light converging point and the focal point are symmetrical about the second reflecting surface 22, therefore, according to the reversibility of light, the light path of the light emitted from the light converging point after being reflected to the light emergent portion 3 by the second reflecting surface 22 is the same as the light path of the light emitted from the focal point directly through the light emergent portion 3, and the former shortens the front-back propagation distance of the light compared with the latter. Referring to fig. 19, when the first reflecting surface 21 can reflect the light received by the light incident surface 25 downward to the second reflecting surface 22, and a line-cut-off structure three 24c is formed at the rear edge of the second reflecting surface 22, a light converging point of an optical system formed by the first reflecting surface 21, the second reflecting surface 22 and the light emergent portion 3 is located at the line-cut-off structure three 24 c. The light converging point of the optical system is a point where parallel light rays enter the second reflecting surface 22 from the front of the light emergent portion 3, are reflected to the third cut-off line structure 24c or a region near the third cut-off line structure 24c through the second reflecting surface 22 and the first reflecting surface 21 in sequence, and then are converged on the third cut-off line structure 24c or a region near the third cut-off line structure. More vividly, the first reflecting surface 21 and the second reflecting surface 22 are planes, the parallel light incident from the front of the light-emitting part 3 is refracted by the light-emitting part 3 and then converged to form a focal point, the symmetrical point of the focal point symmetrical with respect to the second reflecting surface 22 and the light converging point symmetrical with respect to the first reflecting surface 21, therefore, according to the reversibility of light, the light path of the light emitted from the light converging point after being reflected to the light-emitting part 3 by the first reflecting surface 21 and the second reflecting surface 22 in sequence is the same as the light path of the light emitted from the focal point directly through the light-emitting part 3, and the former shortens the front-back propagation distance of the light compared with the latter.

As another structure of the vehicular lamp optical element for the low beam lamp, referring to fig. 9, 18, and 20, the lower portion of the light-passing portion 2 is provided with a convex structure 23, and the rear surface of the convex structure 23 intersects with the light-passing portion 2 to form a cut-off line structure two 24 b. Referring to fig. 9, the light incident from the light incident surface 25 is reflected by the first reflecting surface 21 and the second reflecting surface 22 in sequence and then emitted to the light emitting portion 3, and is projected by the light emitting portion 3 to form an illumination light shape, wherein the light incident on the cut-off line structure two 24b is reflected by the first reflecting surface 21 and the second reflecting surface 22 in sequence and then emitted to the light emitting portion 3, and is projected by the light emitting portion 3 to form a cut-off line of the illumination light shape, which is an upper boundary of the illumination light shape. Similarly, the second cut-off line structure 24b can be a broken line or a curved line with an inflection point, so as to form a low-beam cut-off line with an inflection point, and the illumination light pattern thereof can be a complete low-beam light pattern or a main low-beam light pattern projected to a low-beam central region; the second cut-off line structure 24b may also be a straight line or an arc line for forming a horizontal low-beam cut-off line, and the illumination light pattern may be an auxiliary low-beam light pattern projected to the low-beam widening area.

Preferably, the light converging point of the optical system formed by the first reflecting surface 21, the second reflecting surface 22 and the light emergent portion 3 is located on the second cut-off line structure 24b or in the area near the region. The light converging point of the optical system is a point where parallel light rays enter the second reflecting surface 22 from the front of the light emergent portion 3, and then are reflected to the second cut-off line structure 24b or a region near the second cut-off line structure 24b through the second reflecting surface 22 and the first reflecting surface 21 in sequence, and then the parallel light rays are converged on the second cut-off line structure 24b or a region near the second cut-off line structure. More vividly, referring to fig. 18, the first reflecting surface 21 and the second reflecting surface 22 are flat surfaces, parallel light rays incident from the front of the light-emitting portion 3 are refracted by the light-emitting portion 3 and then converged to form a focal point, and a symmetrical point of the focal point symmetrical with respect to the second reflecting surface 22 and a light converging point symmetrical with respect to the first reflecting surface 21 are provided, so that, according to the reversibility of light, the light emitted from the light converging point is reflected to the light-emitting portion 3 through the first reflecting surface 21 and the second reflecting surface 22 in sequence and then emitted out on the same optical path as the light emitted from the focal point directly through the light-emitting portion 3, and the former shortens the forward and backward propagation distance of the light compared with the latter.

Alternatively, referring to fig. 6 to 10 and 16 to 20, the second cut-off line structure 24b is a curve with an inflection point, which is curved forward on both sides, and can form a low beam cut-off line with an inflection point, so as to be used for a low beam lamp or a main low beam module in the low beam lamp; alternatively, referring to fig. 11 to 12, the second cut-off line structure 24b is a smooth curve with two sides bent forward, and can form a horizontal cut-off line without an inflection point, so as to be used in the auxiliary low beam module of the low beam lamp. It can be understood that the two sides of the second cut-off line structure 24b are bent forward to form a curve protruding backward, so that the cut-off line image of the emergent light shape is clearer and sharper, or can be a straight line. The optical element of the automobile lamp is flexible in design, can be suitable for automobile lamps in various different design spaces by additionally arranging the positions of the convex structure 23, the first stop line adjusting structure 24a, the second stop line adjusting structure 24b and the third stop line adjusting structure 24c according to design spaces in different automobile lamps, can also be adjusted according to left and right driving positions, and is wide in applicability. Alternatively, referring to fig. 1, the optical element for a vehicle lamp may not be provided with the convex structure 23, the first cut-off line structure 24a, the second cut-off line structure 24b, and the third cut-off line structure 24c, and may be further used for other vehicle lamps such as a high beam, a corner lamp, and a fog lamp, or may be provided with the convex structure 23, the first cut-off line structure 24a, the second cut-off line structure 24b, and the third cut-off line structure 24c to form a high beam shape having a lower cut-off boundary.

In order to improve the lighting effect, the optical element of the vehicle lamp of the utility model further comprises a light-gathering part 1 arranged behind the light-entering surface 25, and optionally, the light-gathering part 1 is of a light-gathering cup structure; or the light-gathering part 1 is a curved surface structure or a cone structure which protrudes backwards, and the like. Of course, the light-gathering portion 1 of the present invention is not limited to the above structure, and may be other structures, and the light-gathering portion is used to gather and collimate light, and therefore, other light-gathering structures also belong to the protection scope of the present invention.

As a specific structural style, the light-gathering portion 1 is a light-gathering cup structure, the external profile surface of the light-gathering portion 1 is a curved surface gradually increasing from one end far away from the light-passing portion 2 to one end near the light-passing portion 2, the end far away from the light-passing portion 2 of the light-gathering portion 1 is provided with an indent cavity, the indent cavity comprises a front light-in surface and a side light-in surface, the front light-in surface is a curved surface protruding towards one side far away from the light-passing portion 2, and the side light-in surface is a curved surface gradually decreasing from one end far away from the light-passing portion 2 to one end. Referring to fig. 21, an opening of the concave cavity faces the light source 4 to receive light emitted from the light source 4, the light-gathering portion 1 can refract a portion of the light emitted from the light source 4 to the front through a front light-incident surface of the concave cavity, a side light-incident surface of the concave cavity can refract other light emitted from the light source 4, and the refracted light is reflected to the front through an external profile surface, so that convergence and collimation of all light beams emitted from the light source 4 can be basically achieved, and the purpose of improving the utilization rate of the light beams of the light source 4 can be achieved. Moreover, after the divergent light is refracted or reflected by the light-condensing portion 1, a light beam with a small angle can be formed, so that the light emitted by the light source 4 can be completely or mostly incident on the first reflecting surface 21, and a high luminous efficiency is realized.

Preferably, the optical element of the vehicle lamp is a solid optical conductor which is integrally formed, and since light is transmitted in the same medium all the time, the light is not attenuated basically, and the optical efficiency of the optical element of the vehicle lamp is high. Specifically, materials such as glass, PC, PMMA or silica gel can be integrally formed, the production process flow is simplified, the production cost is saved, the number of parts can be reduced, the structure of the assembled car lamp is more compact, meanwhile, the assembly errors among the optical elements in the assembly process can be avoided, the assembly precision is improved, the optical precision can be improved, and the stability of the emergent light shape is guaranteed.

Preferably, the first reflective surface 21 and the second reflective surface 22 have a reflective coating thereon. The coating reflection layer can be an aluminum coating layer, a chromium coating layer or a silver coating layer. The coating film reflecting layer can improve the reflectivity of each reflecting surface, so that the light utilization rate is improved.

More preferably, to further save costs, a coated reflective layer is provided only on a partial area of the second reflective surface 22 for reflecting light. Referring to fig. 12, the uppermost portion and the lowermost portion of the second reflective surface 22 do not function to reflect light, and thus, the two portions may be provided with no coated reflective layer, and only the middle portion of the second reflective surface 22 may be provided with a coated reflective layer.

Preferably, the first reflecting surface 21 and the second reflecting surface 22 are flat surfaces.

Typically, referring to fig. 1, the light-emitting portion 3 includes a light-emitting surface 31, and the light-emitting surface 31 is a forward convex curved surface to converge and collimate light. Or other optical surfaces with converging and collimating functions can be adopted.

The utility model discloses a car light module, including the car light optical element among the first aspect technical scheme, consequently have all beneficial effects that above-mentioned car light optical element's technical scheme brought at least, no longer describe herein.

The utility model discloses a vehicle can include the car lamp module in the above-mentioned embodiment, consequently has all beneficial effects that the technical scheme of the embodiment of above-mentioned car lamp module brought at least.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims (14)

1. The optical element for the vehicle lamp is characterized by comprising a light-passing part (2) and a light-emitting part (3), wherein the light-passing part (2) comprises a light-entering surface (25), a first reflecting surface (21) and a second reflecting surface (22), and the first reflecting surface (21) and the second reflecting surface (22) are oppositely arranged, so that light rays received by the light-entering surface (25) are reflected by the first reflecting surface (21) and the second reflecting surface (22) in sequence and then irradiate the light-emitting part (3).

2. The optical element according to claim 1, wherein said first reflecting surface (21) is capable of reflecting light received by said light incident surface (25) back or up to said second reflecting surface (22), the rear edge of said first reflecting surface (21) forming a first cut-off line structure (24 a); alternatively, the first and second electrodes may be,

the first reflecting surface (21) can reflect light received by the light incident surface (25) downwards to the second reflecting surface (22), and a third cut-off line structure (24c) is formed at the rear edge of the second reflecting surface (22).

3. The optical element according to claim 2, wherein the first reflecting surface (21) is capable of reflecting light received by the light incident surface (25) rearward or upward to the second reflecting surface (22), a rear edge of the first reflecting surface (21) forms the first cut-off line structure (24a), and a light converging point of an optical system formed by the second reflecting surface (22) and the light emergent portion (3) is located at the first cut-off line structure (24 a); alternatively, the first and second electrodes may be,

the first reflecting surface (21) can reflect light received by the light incident surface (25) downwards to the second reflecting surface (22), the rear edge of the second reflecting surface (22) forms a third cut-off line structure (24c), and a light converging point of an optical system formed by the first reflecting surface (21), the second reflecting surface (22) and the light emergent part (3) is located at the third cut-off line structure (24 c).

4. The optical element according to claim 1, wherein a convex structure (23) is provided on the light-passing portion (2), and a rear surface of the convex structure (23) intersects with the light-passing portion (2) to form a second cut-off line structure (24 b).

5. The optical element according to claim 4, wherein the light converging point of the optical system formed by the first reflecting surface (21), the second reflecting surface (22) and the light emergent portion (3) is located at the second cut-off line structure (24 b).

6. The optical element for a vehicular lamp according to claim 4, wherein the second cut-off line structure (24b) is a curve with inflection points that is curved forward on both sides; or the second cut-off line structure (24b) is a smooth curve with two sides bent forwards.

7. The vehicle lamp optical element according to any one of claims 1 to 6, further comprising a light-condensing portion (1) disposed behind the light-incident surface (25), wherein the light-condensing portion (1) is of a light-condensing cup structure; or the light-gathering part (1) is a curved surface structure or a cone structure which protrudes backwards.

8. The optical element of the vehicular lamp according to claim 7, wherein in a case that the light-gathering portion (1) has a light-gathering cup structure, the outer contour surface of the light-gathering portion (1) is a curved surface gradually increasing from one end away from the light-passing portion (2) to one end close to the light-passing portion (2), one end of the light-gathering portion (1) away from the light-passing portion (2) is provided with a concave cavity, the concave cavity includes a front light-in surface and a side light-in surface, the front light-in surface is a curved surface protruding to one side away from the light-passing portion (2), and the side light-in surface is a curved surface gradually decreasing from one end away from the light-passing portion (2) to one end close to the light-passing portion (2).

9. The vehicular lamp optical element according to any one of claims 1 to 6, characterized in that the vehicular lamp optical element is an integrally molded solid optical conductor.

10. The optical element according to any one of claims 1 to 6, wherein the first and second reflecting surfaces (21, 22) have a coated reflecting layer thereon.

11. Automotive light optical element according to any one of claims 1 to 6, characterized in that the first (21) and second (22) reflecting surfaces are plane.

12. The optical element according to any one of claims 1 to 6, wherein the light exit portion (3) includes a light exit surface (31), the light exit surface (31) being a curved surface that is convex forward.

13. A vehicle lamp module comprising a light source (4) and the optical element of the vehicle lamp as claimed in any one of claims 1 to 12, wherein the light source (4) is disposed behind the light incident surface (25).

14. A vehicle comprising the lamp module according to claim 13.

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