CN110778976A

CN110778976A - Front lighting car lamp

Info

Publication number: CN110778976A
Application number: CN201911274467.4A
Authority: CN
Inventors: 黄剑炜; 顾世坤; 郑闪光
Original assignee: Huizhou Frant Photoelectric Technology Co Ltd
Current assignee: Huizhou Frant Photoelectric Technology Co Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-02-11
Also published as: WO2021115365A1

Abstract

The invention discloses a headlight, which comprises: the light source module adopts an LED array light source and comprises a dipped beam light source, a high beam light source, a curve light source and a ramp light source; the light guide module is used for conducting light emitted by the light source module, and comprises a low-beam light guide, a high-beam light guide, a curve light guide and a ramp light guide; the optical processing module is used for shaping the light emitted by the light guide module so as to obtain a required light distribution pattern on a target surface; the control module is used for controlling the light source module and enabling the illumination states of the dipped beam light source, the high beam light source, the curve light source and the ramp light source to be mutually independent; compared with the prior art, the front lighting vehicle lamp has the advantages that the LED array light source is utilized to combine the far light and the near light of the front lighting vehicle lamp into a whole, and bend lighting and ramp lighting are added, so that the space utilization rate is improved, and the vehicle lamp is compact in structure; the regional control of target face can be realized, illumination can also be improved.

Description

Front lighting car lamp

Technical Field

The invention relates to the technical field of vehicle lamp illumination, in particular to a front lighting vehicle lamp.

Background

The headlamp is arranged at the head of a vehicle body and used for lighting and warning during the night driving process of the motor vehicle, and is one of important parts for ensuring the safe driving of the motor vehicle. Although the existing head lamps have the function of integrating a high beam, a low beam and a front lamp. However, the existing far and near light integrated headlamp still has certain limitation on the illumination range when the vehicle turns and goes up and down a slope in the process of driving at night, and a driver has a vision blind area when the vehicle turns and goes up and down a slope in the process of driving at night, so that the potential safety hazard is greatly increased.

Disclosure of Invention

The present invention is directed to solve the problems of the prior art, and provides a headlamp, which includes:

the light source module adopts an LED array light source and comprises a dipped beam light source, a high beam light source, a curve light source and a ramp light source;

the light guide module is used for conducting light emitted by the light source module, and comprises a low-beam light guide, a high-beam light guide, a curve light guide and a ramp light guide;

the optical processing module is used for shaping the light emitted by the light guide module so as to obtain a required light distribution pattern on a target surface;

the control module is used for controlling the light source module and enabling the illumination states of the dipped beam light source, the high beam light source, the curve light source and the ramp light source to be mutually independent;

the light inlet of the light guide module is connected with the light source module, the emergent end face of the light guide module corresponds to the optical processing module, and the optical processing module performs independent light distribution in a specific area according to the illumination state of the light source module.

According to an embodiment of the present invention, the optical processing module includes a light barrier and a light distribution lens, the light barrier is disposed between the low beam light source and the high beam light source, so that portions of the light distribution lens located at two sides of the light barrier are respectively used for low beam light distribution and high beam light distribution.

According to an embodiment of the present invention, an upper shading surface and a lower shading surface are disposed on a side of the light barrier facing the low-beam light guide, and an oblique shading surface is disposed between the upper shading surface and the lower shading surface.

According to one embodiment of the invention, the angle between the oblique light-shading surface and the horizontal plane is 30-60 °.

According to an embodiment of the present invention, the light distribution lens includes a low beam light distribution area and a high beam light distribution area, the low beam light distribution area is located above the light barrier and aligned with the emission end surface of the low beam light guide, and the high beam light distribution area is located below the light barrier and aligned with the emission end surface of the high beam light guide.

According to an embodiment of the present invention, the light incident surface and the light emitting surface of the near light distribution region are both quadric surfaces.

According to an embodiment of the present invention, the light incident surface and the light emitting surface of the far-light distribution area are both quadric surfaces.

According to an embodiment of the present invention, the center lines of the low beam light source and the low beam light guide are deviated from the central axis of the light distribution lens by an angle of 10 ° to 15 °.

According to an embodiment of the present invention, the optical processing module further includes a light homogenizing module, and the light homogenizing module is configured to homogenize the shape of the high beam.

According to an embodiment of the present invention, the light source module further includes a heat dissipation module for dissipating heat from the light source module.

The invention has the beneficial effects that:

1. the light source module has a dipped beam light source and a high beam light source and also has a curve light source and a ramp light source, the lighting states of the dipped beam light source, the high beam light source, the curve light source and the ramp light source are mutually independent through the control module, the regional control of the target surface can be realized, the illumination degree can be improved, the visual field blind area of a driver can be reduced, and the potential safety hazard is reduced.

2. The LED array light source is utilized to combine far and near lights of the headlamp into a whole, and a curve light source and a ramp light source are added, so that the space utilization rate is improved, and the structure of the headlamp is compact.

Drawings

FIG. 1 is a schematic view of a front lighting lamp according to the present invention;

FIG. 2 is an exploded view of FIG. 1 with the housing removed;

FIG. 3 is a schematic structural view of the light shielding plate in FIG. 2;

FIG. 4 is a schematic structural view of the light distribution lens in FIG. 2;

FIG. 5 is a rear view of FIG. 1;

FIG. 6 is a right side view of the heat dissipation module with the heat dissipation fan removed;

FIG. 7 is an exploded view of the heat dissipation module with the heat dissipation fan removed;

in the figure: 1. the light source module comprises a light source module, 2, a light guide module, 21, a low beam light guide, 22, a high beam light guide, 23, a curve light guide, 23a, a left curve light guide, 23b, a right curve light guide, 24 ramp light guide, 24a, an ascending slope light guide, 24b, a descending slope light guide, 3, an optical processing module, 31, a light baffle, 311, an upper shading surface, 312, a lower shading surface, 313, an inclined shading surface, 32, a light distribution lens, 321, a near light distribution area, 322, a far light distribution area, 33, a light distribution module, 4, a heat dissipation module, 41, a heat conduction seat, 411, a longitudinal partition groove, 42, a heat sink, 421, an installation hole, 422, an installation groove, 43, a heat conductor, 431, an evaporation section, 432, a condensation section, 433, a connection section, 44, a heat dissipation fan, 5, a shell, 6 and a fixing support

The implementation and advantages of the functions of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

It should be noted that all the directional indicators (such as up, down, left and right, front and back … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

For a further understanding of the contents, features and effects of the present invention, the following examples are illustrated in the accompanying drawings and described in the following detailed description:

example one

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a front lighting lamp according to the present invention; fig. 2 is an exploded view of fig. 1 with the housing removed. As shown in the figure, the front lighting lamp of the present application includes: the light source module 1 adopts an LED array light source and comprises a dipped beam light source, a high beam light source, a curve light source and a ramp light source; a light guide module 2 for guiding the light emitted from the light source module 1, the light guide module 2 including a low beam light guide 21, a high beam light guide 22, a curve light guide 23, and a ramp light guide 24; an optical processing module 3 for shaping the light emitted from the light guide module 2 to obtain a desired light distribution pattern on a target surface; a control module (not shown) for controlling the light source module 1 and making the lighting states of the low beam light source, the high beam light source, the curve light source and the ramp light source independent from each other; a heat dissipation module 4 for dissipating heat from the light source module 1; the light inlet of the light guide module 2 is connected with the light source module 1, the emergent end face of the light guide module 2 corresponds to the optical processing module 3, and the optical processing module 3 independently distributes light in a specific area according to the illumination state of the light source module 1.

Referring to fig. 2 again, as shown in the figure, in a specific application, the front lighting lamp of the present embodiment is provided with a housing 5 and a fixing bracket 6, a mounting platform for mounting the light source module 1 is disposed on the heat dissipation module 4, one end of the housing 5 is connected with the heat dissipation module 5 and forms a receiving cavity with the heat dissipation module 5, the fixing bracket 6 is disposed in the receiving cavity and connected with the heat dissipation module 5, the light source module 1, the light guide module 2, the optical processing module 3 and the control module are disposed in the receiving cavity, wherein the low beam light source, the high beam light source, the curve light source and the ramp light source are arranged in an array and are disposed on the mounting platform on the heat dissipation module 4, the low beam light source, the high beam light source, the curve light source and the ramp light source are electrically connected with the control module and are controlled by the control module, the low beam light guide 21, the high beam guide 22, the curve light guide 23 and the light guide, the exit end face of the low beam light guide 21 corresponds to the optical processing module 3, the light inlet of the high beam light guide 22 is connected with the high beam light source, the exit end face of the high beam light guide 22 corresponds to the optical processing module 3, the light inlet of the curve light guide 23 is connected with the curve light source, the exit end face of the curve light guide 23 corresponds to the optical processing module 3, the light inlet of the ramp light guide 24 is connected with the ramp light source, and the exit end face of the ramp light guide 24 corresponds to the optical processing module 3; the optical processing module 3 is arranged in the accommodating cavity, and a light emergent surface of the optical processing module 3 extends out from the other end of the shell 5.

Referring back to fig. 2, as shown in the figure, in this embodiment, the curve light source includes a left curve light source and a right curve light source, the curve light guide 23 includes a left curve light guide 23a and a right curve light guide 23b, the left curve light source and the right curve light source are respectively disposed on the left side and the right side of the high beam light source, the entrance ports of the left curve light guide 23a and the right curve light guide 23b are respectively connected with the left curve light source and the right curve light source, and the exit end surfaces of the left curve light guide 23a and the right curve light guide 23b correspond to the optical processing module 3. When the automobile turns left or right, the left curve light source or the right curve light source of the light source module 1 is automatically turned on under the control of the control module, so that the visual field blind area of a driver can be reduced, and the potential safety hazard is reduced.

Referring to fig. 2 again, in the present embodiment, the ramp light source includes an ascending light source and a descending light source, the ramp light guide 24 includes an ascending light guide 24a and a descending light guide 24b, the ascending light source is disposed below the high beam light source, the descending light source is disposed above the low beam light source, the incident ports of the ascending light guide 24a and the descending light guide 24b are aligned with the ascending light source and the descending light source, respectively, and the emergent end surfaces of the ascending light guide 24a and the descending light guide 24b correspond to the optical processing module 3. When the automobile runs on or off the slope at night, the light source module 1 is controlled by the control module to automatically turn on the light source module 1, so that the blind area of the driver in the visual field can be reduced, and the potential safety hazard can be reduced.

In practical applications, the dipped headlight of the front vehicle lamp is the vehicle lamp most frequently used, and in order to increase the illuminance of the dipped headlight, please refer to fig. 2, as shown in the figure, the number of the dipped headlight and the dipped light guide 21 is two, the incident ports of the two dipped light guides 21 are connected with the dipped headlight, and the emergent end surface of the dipped light guide 21 corresponds to the optical processing module 3.

In this embodiment, two dipped headlight, distance beam, left bend light, right bend light, uphill light and downhill path light are arranged in an array, the dipped headlight is located above the distance beam, the left bend light and the right bend light are respectively located on the left side and the right side of the distance beam, the downhill path light is located above the dipped headlight, and the uphill light is located below the distance beam. The light sources of the light source module 1 are arranged in an array manner, so that an up-and-down slope auxiliary light path system and a left-and-right curve auxiliary light path system are added into a far-and-near light integrated system, and the safety performance of the automobile is greatly improved; meanwhile, the optical processing module 3 performs independent control according to different positions of illumination of each light source to obtain target light shapes meeting national standards.

In order to maximize the range of light emitted by the light source module 1 after passing through the light guide module 2 and being projected by the optical processing module 3, and simultaneously make the light source module 1 occupy a small space, please refer to fig. 2 again, as shown in the figure, the low beam light guide 21, the high beam light guide 22, the curve light guide 23 and the ramp light guide 24 all adopt tapered light guides, so that the cross section of the light outlet is larger than that of the light inlet. The low beam light guide 21, the high beam light guide 22, the curve light guide 23, and the ramp light guide 24 may adopt a total internal reflection tapered prism, may also adopt a tapered cylinder light guide, and may also adopt a tapered light guide groove, and the low beam light guide 21, the high beam light guide 22, the curve light guide 23, and the ramp light guide 24 of this embodiment adopt tapered cylinder light guides.

Referring to fig. 2 again, as shown in the figure, the optical processing module 3 includes a light barrier 31 and a light distribution lens 32, the light barrier 31 is disposed between the low beam light source and the high beam light source, so that the portions of the light distribution lens 32 located at two sides of the light barrier 31 are respectively used for low beam light distribution and high beam light distribution. In the present embodiment, the low beam light guide 21 and the downhill light source are partially aligned with the light distribution lens 32 located above the light barrier 31, and the high beam light guide 22, the left turn light source, the right turn light source, and the uphill light source are partially aligned with the light distribution lens 32 located below the light barrier 31.

Referring to fig. 3 and 4, fig. 3 is a schematic structural view of the light blocking plate in fig. 2; fig. 4 is a schematic structural diagram of the light distribution lens in fig. 2. As shown in the figure, the light distribution lens 32 includes a near light distribution area 321 and a high light distribution area 322, the low light distribution area 321 is located above the light barrier 31 and aligned with the emergent end surface of the low light guide 21, the downhill light guide 24b located above the low light guide 21 is aligned with the emergent end surface of the low light distribution area 321, the high light distribution area 322 is located below the light barrier 31 and aligned with the emergent end surface of the high light guide 22, and the left bend light guide 23a and the right bend light guide 23b located on the left and right sides of the high light guide 22 and the emergent end surface of the uphill light guide 24a located below the high light guide 22 are aligned with the high light distribution area 322.

Referring to fig. 3 and 4 again, as shown in the figure, in the present embodiment, the light incident surface and the light emitting surface of the low beam light distribution area 321 are both quadric surfaces, the light incident surface and the light emitting surface of the high beam light distribution area 322 are both quadric surfaces, the shape of the light barrier 31 near the light distribution lens 32 is circular arc, and the light barrier 31 is located at the light incident surface and the high beam light distribution surface of the low beam light distribution area 321The junction of the light incident surface of the light region 322. In order to reduce the deformation of the light beam and to make the thickness of the light distribution lens 32 thinner, the light incident surface and the light emitting surface of the low beam light distribution area 321 and the high beam light distribution area 322 of the present embodiment both adopt aspheric quadric surfaces _。

Referring to fig. 4, in the present embodiment, an upper light shielding surface 311 and a lower light shielding surface 312 are disposed on a side of the light barrier 31 facing the low beam light guide 21, and an oblique light shielding surface 313 is disposed between the upper light shielding surface 311 and the lower light shielding surface 312. The angle between the oblique light shielding surface 313 and the horizontal plane is 45 °, the oblique light shielding surface 313 is disposed on the right side in the light-receiving direction, and the center lines of the low beam light source and the low beam light guide 21 are deviated from the central axis of the light distribution lens 32 by an angle of 12 °. The light beam emitted by the low-beam light guide 21 is converged on the light barrier 3, the light beam is shaped by the light barrier 3 and converged by the light distribution lens 32, and then is emitted to obtain a required light distribution pattern, a horizontal line and a bright-dark cut-off line which is 45 degrees upward from the right side of the horizontal line exist in the irradiation range of the low-beam light source, the standard of the bright-dark cut-off line is met, and the wide illumination area is formed compared with the prior art.

Referring to fig. 2 again, in the present embodiment, as shown in the figure, the optical processing module 3 further includes a light uniformizing module 33, and the light uniformizing module 33 is used for uniformizing the shape of the high beam. The dodging module 33 may adopt a fly-eye lens or a light-scattering material plated on the surface of the condenser lens, in the dodging module 33 of this embodiment, the fly-eye lens is adopted, the light beam of the high beam light source is emitted by the high beam light guide 22, and then is homogenized by the dodging module 33, and then is converged in the high beam light distribution area 322 of the light distribution lens 32, so as to obtain the light intensity distribution of the required composite standard.

Referring back to fig. 1, 2 and 5, fig. 5 is a rear view of fig. 1. As shown in the figure, the headlamp vehicle of the present embodiment further includes a heat dissipation module 4, and the heat dissipation module 4 is configured to dissipate heat from the light source module 1. The heat dissipation module 4 comprises a heat conduction seat 41, a heat radiator 42, a heat conductor 43 and a heat dissipation fan 44, wherein one side of the heat conduction seat 41 is provided with a mounting platform heat conduction seat 41, and the other side of the heat conduction seat 41 is provided with a longitudinal partition groove 411, and the longitudinal partition groove 411 is positioned below the part of the mounting platform aligned with the low-beam light source; the heat sink 42 is disposed below the mounting platform and aligned with the high beam light source portion; the heat conductor 43 is provided in the heat sink 42; the mounting platform is used for fixing the light source module 1, the longitudinal partition slot 411 is used for dissipating heat of the body of the heat conducting seat 41, and the radiator 42 and the heat conductor 43 are used for dissipating heat of the part of the mounting platform for mounting the high beam light source.

Referring to fig. 5, in the present embodiment, as shown in the figure, the heat sink 42 includes a plurality of heat dissipating fins, the heat dissipating fins are stacked vertically, and the gaps between the heat dissipating fins and the gaps between the vertical separating slots 411 are communicated with each other, so as to facilitate air circulation, better dissipate heat of the heat conducting base 41, and further reduce the temperature of the heat conducting base.

Referring to fig. 6 and 7, fig. 6 is a right side view of the heat dissipation module with the heat dissipation fan removed; fig. 7 is an exploded view of the heat dissipating module with the heat dissipating fan removed. As shown in the figure, in the present embodiment, the heat conductor 43 is U-shaped, and includes an evaporation section 431, a condensation section 432 and a connection section 433, the connection section 433 is connected to two ends of the evaporation section 431, and the condensation section 432 is connected to two sides of the evaporation section 431 through the connection section 433. The heat conductor 43 is used for conducting heat at the high beam light source, and the U-shaped heat conductor 43 increases the length of the heat conductor 43 without changing the height of the heat conductor 43, so that heat at the high beam light source can be conducted in a larger amount.

Referring to fig. 6 and 7, in the present embodiment, as shown in the drawings, the heat sink 42 is provided with a mounting hole 421 and a mounting groove 422, one of the condensing sections 432 penetrates the mounting hole 421, and the other condensing section 432 is disposed in the mounting groove 422 and connected to the mounting platform of the heat conducting base 41. The mounting hole 421 and the mounting groove 422 are arranged along the thickness direction of the heat sink 42, a part of the condensation section 432 penetrating the mounting hole 421 is arranged in the interlayer heat dissipation fins, and the other part is arranged in the gaps of the heat dissipation fins of each layer, so that the heat dissipation effect of the heat sink 42 on the condensation section 432 is better; one side of the condensation section 432 arranged in the mounting groove 422 is in contact with the mounting groove 422, and the other side is tightly attached to the mounting platform of the heat conducting base 41, so that heat at the far-beam light source can be led out.

Referring to fig. 6 and 7 again, as shown in the figure, the evaporation section 431 extends towards the longitudinal partition slot 411 and is connected with the part of the longitudinal partition slot 411 close to the heat sink 42, so that not only the heat at the far-beam light source can be maximally led out through the heat conductor 43, but also the heat at the near-beam light source can be led out through the heat conductor 43, the heat dissipation efficiency of the heat dissipation module is improved, the structure of the heat dissipation module is more compact, and the cost can be reduced

The heat conductor 43 of the present embodiment is a hollow structure, and the heat conductor 43 contains a heat-conducting medium therein; the heat-conducting medium can remarkably reduce the thermal resistance of the heat conductor 43 and improve the heat dissipation efficiency.

The heat conductor 43 of the present embodiment has a vacuum inside; under the vacuum state, the boiling point of the heat-conducting medium is reduced, the liquid is evaporated by the evaporation section 431, and the heat is taken away by condensation at the condensation section 432, so that the heat can be dissipated for the car lamp when the car lamp works more quickly, the heat dissipation performance is enhanced, and the heat dissipation requirement of the light source module 1 under high power is met.

The mounting platform of this embodiment is provided with a positioning hole (not labeled in the figure), and the positioning hole is used for positioning when fixing the light source module, and accurately positioning the position of the light source module.

Referring to fig. 5, as shown in the figure, the heat dissipating fan 44 of the heat dissipating module of the present embodiment is disposed on one side of the heat conducting base 41 having the longitudinal partition slot 411, and detachably connected to the heat conducting base 41. The heat dissipation fan 44 is connected to the heat conducting base 41 by a buckle (not shown) disposed on the heat conducting base 41. The heat sink fan 44 can rapidly transfer heat from the LED light source conducted on the heat sink 42 to ensure that the LED light source is at a normal operating temperature. When the headlamp works, a light source module arranged on the mounting platform starts to generate heat, the heat conduction seat 41 guides out heat at a near light source and conducts heat dissipation through the longitudinal isolation groove 411 and external air circulation, the condensation section 432 in contact with the mounting platform guides out heat at a far light source, meanwhile, the part of the evaporation section 431 in contact with the longitudinal isolation groove 411 guides out heat at the longitudinal isolation groove 411, and the heat radiator 42 conducts heat for the heat conductor 43 and cools the far light source and the near light source; in this process, the heat dissipation fan 44 is activated to quickly dissipate the heat conducted by the longitudinal partition slot 411 and the heat sink 42 by convection, so as to ensure that the front lighting lamp is in a normal working temperature environment. .

In the specific application:

when the vehicle runs on a road condition with good illumination, the control module starts the low beam light source, the low beam light guide device 21 connected with the low beam light source transmits light beams to the low beam light distribution area 321, the light beams emitted by the low beam light guide device 21 are converged on the light barrier 3, the light beams are shaped by the light barrier 3 and are converged by the light distribution lens 32 to be emitted, and a required light distribution pattern is obtained;

when the vehicle needs to turn left or right, the front lighting lamp tilts left or right along with the turning direction of the vehicle head, so that a visual field blind area exists on the left side or the right side of the vehicle, at the moment, the control module starts the left curve light source or the right curve light source, the left curve light guide 23a connected with the left curve light source or the right curve light guide 23b connected with the right curve light source transmits light beams to the high beam light distribution area 322, the light beams are shaped by the light baffle 3 and are converged by the light distribution lens 32 to be emitted out to obtain a required light distribution pattern, the visual field blind area of a driver is reduced, and potential safety hazards are reduced.

When the vehicle needs to go up a slope, the whole headlamp tilts upwards, and the light source on the slope is turned on, so that the light is emitted to the far light distribution area 322 at the lower part of the light distribution lens 32 by the light guide 24a on the slope; when the vehicle needs to go downhill, the whole headlamp inclines downwards, and the downhill light source is started, so that the downhill light guide 24b emits light to the light distribution area 321 on the upper part of the light distribution lens 32, the view blind area of a driver can be reduced, and potential safety hazards are reduced;

when the vehicle is driven on a road condition with poor illumination, the control module starts the high beam light source, the high beam light guide 22 connected with the high beam light source transmits light beams to the near and high beam light distribution area 322, the light beams emitted by the low beam light guide 21 are homogenized by the light homogenizing module 33, and then the light beams are converged in the high beam light distribution area 322 of the light distribution lens 32 to obtain the light intensity distribution with the required composite standard.

Example two

The structure and function of this embodiment are the same as those of the first embodiment, except that in this embodiment, the angle between the inclined light shielding surface 313 of the light barrier 31 and the horizontal plane is 30 °, and the center line of the low beam light source and the low beam light guide 21 deviates from the central axis of the light distribution lens 32 by 10 °.

EXAMPLE III

The structure and function of this embodiment are the same as those of the first embodiment, except that in this embodiment, the angle between the inclined light shielding surface 313 of the light barrier 31 and the horizontal plane is 60 °, and the center line of the low-beam light source and the low-beam light guide 21 deviates from the central axis of the light distribution lens 32 by 15 °.

The present invention is not limited to the above preferred embodiments, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A front lighting vehicle lamp, comprising:

the light source module (1) adopts an LED array light source and comprises a dipped beam light source, a high beam light source, a curve light source and a ramp light source;

a light guide module (2) for conducting light emitted by the light source module (1), the light guide module (2) comprising a low beam light guide (21), a high beam light guide (22), a bend light guide (23) and a ramp light guide (24);

an optical processing module (3) for shaping the light emitted by the light guide module (2) to obtain a required light distribution pattern on a target surface;

the control module is used for controlling the light source module (1) and enabling the illumination states of the low-beam light source, the high-beam light source, the curve light source and the ramp light source to be mutually independent;

the light inlet of the light guide module (2) is connected with the light source module (1), the emergent end face of the light guide module (2) corresponds to the optical processing module (3), and the optical processing module (3) performs independent light distribution in a specific area according to the illumination state of the light source module (1).

2. The headlamp according to claim 1, wherein the optical processing module (3) comprises a light barrier (31) and a light distribution lens (32), the light barrier (31) is disposed between the low beam light source and the high beam light source, so that the portions of the light distribution lens (32) located at both sides of the light barrier (31) are respectively used for low beam light distribution and high beam light distribution.

3. Headlight for vehicle according to claim 2, wherein the light barrier (31) is provided with an upper light screening surface (311) and a lower light screening surface (312) on the side facing the low-beam light guide (21), and an oblique light screening surface (313) is provided between the upper light screening surface (311) and the lower light screening surface (312).

4. A headlight light according to claim 3, wherein the angle between the oblique light shading surface (313) and the horizontal plane is 30 ° to 60 °.

5. The headlamp according to claim 2, wherein the light distribution lens (32) includes a near light distribution area (321) and a far light distribution area (322), the near light distribution area (321) is located above the light barrier (31) and aligned with the exit end surface of the low beam light guide (21), and the far light distribution area (322) is located below the light barrier (31) and aligned with the exit end surface of the high beam light guide (22).

6. The headlamp according to claim 5, wherein the light incident surface and the light emitting surface of the near light distribution area (321) are both quadric surfaces.

7. The headlamp according to claim 5, wherein the light incident surface and the light exiting surface of the far-light distribution area (322) are both quadric surfaces.

8. The headlight of claim 2, wherein the center lines of the low beam light source and the low beam light guide (21) are offset from the central axis of the light distribution lens (32) by an angle of 10 ° to 15 °.

9. Headlight lamp according to claim 2, wherein the optical treatment module (3) further comprises a dodging module (33), the dodging module (33) being adapted to homogenize the high beam profile.

10. The headlamp of claim 1 further comprising a heat sink module (4), the heat sink module (4) being configured to sink heat from the light source module (1).