CN212987093U - Vehicle headlamp optical system, vehicle headlamp and vehicle - Google Patents

Abstract

The utility model relates to a car light discloses a vehicle headlamps optical system, include a plurality of modules and locate each lens (4) in module the place ahead, a plurality of modules include at least one distance light module (1), at least one main passing light module (3) and at least one supplementary passing light module (2), lens (4) are narrow long shape lens, each the module along the length direction interval of lens (4) sets up. Furthermore, the utility model discloses still relate to a vehicle headlamps and vehicle. The utility model discloses can realize vehicle headlamps miniaturization and the diversified design of molding.

Description

Vehicle headlamp optical system, vehicle headlamp and vehicle

Technical Field

The utility model relates to a car light specifically, relates to a vehicle headlamps optical system. Furthermore, the utility model discloses still relate to a vehicle headlamps and vehicle.

Background

At present, the vehicle lamp tends to be more and more miniaturized and diversified in shape. However, in the existing car lamp lighting optical system, the realization mode of the distance light is mainly two types, namely a lens type and a reflection type, and is limited by the size of the lens or the reflector, and the size of the upper opening and the lower opening of the light outlet for emitting light of the car lamp distance light module is difficult to be small, so that the miniaturization and diversified design of the car lamp model are limited.

In addition, the car light need adjust luminance, because the car light more and more tends to the miniaturization for the molding space is more and more littleer, thereby leads to traditional dimming mechanism and car light lamp body to take place to interfere and can't adjust luminance, influences the overall arrangement of partial spare part, has also brought great limitation for the design of car light simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that the first aspect will be solved provides a vehicle headlamps optical system, can realize vehicle headlamps miniaturization and diversified design.

The utility model discloses the technical problem that the second aspect will be solved provides a vehicle headlamps, and this vehicle headlamps can realize miniaturized and diversified design.

The utility model discloses the technical problem that the third aspect will be solved provides a vehicle, and this vehicle can realize molding diversified design, is favorable to improving its whole visual effect and pleasing to the eye degree.

In order to solve the above technical problem, a first aspect of the present invention provides an optical system for a vehicle headlamp, including a plurality of modules and a lens disposed in front of each of the modules, where the modules include at least one high beam module, at least one main low beam module and at least one auxiliary low beam module, the lens is a narrow and long lens, and each of the modules is disposed at intervals along a length direction of the lens; the high beam module comprises a high beam optical element and at least one high beam light source, the high beam optical element comprises a high beam light-passing part and a light-emitting part, the rear end of the high beam light-passing part is provided with at least one high beam light-gathering part, the high beam light-passing part and the light-emitting part are sequentially connected and integrally formed, the high beam light-gathering parts are in one-to-one correspondence with the high beam light sources, and light rays emitted by the high beam light source are gathered by the high beam light-gathering part and then sequentially emitted by the high beam light-passing part and the light-emitting part to form a high beam shape; the main low-beam module comprises a low-beam optical element and at least one low-beam light source, the low-beam optical element comprises a light channel, the light channel comprises a first light channel and a second light channel which are integrally formed, the rear end of the first light channel is integrally formed with at least one low-beam light-gathering part, the front end of the second light channel is formed with a low-beam light-emitting surface, and the low-beam light-gathering parts and the low-beam light sources are in one-to-one correspondence; the low-beam light condensing part and the first light channel are both positioned above an optical axis II of the low-beam light emitting surface, the optical axis I of the low-beam light condensing part is obliquely arranged relative to the optical axis II of the low-beam light emitting surface, the lower surface of the first light channel is formed into a reflecting part, a cut part is arranged at the intersection of the reflecting part and the rear end surface of the second light channel, and light rays emitted by the low-beam light source are converged by the low-beam light condensing part, sequentially pass through the first light channel and the second light channel and are emitted out from the low-beam light emitting surface to form a low-beam light shape; supplementary passing light module includes supplementary passing light primary optical element, lens and at least one supplementary passing light source, supplementary passing light primary optical element includes supplementary passing light portion of passing light and at least one supplementary passing light condensing portion, supplementary passing light portion of passing light rear end with supplementary passing light condensing portion integrated into one piece, supplementary passing light portion of passing light front end is formed with the primary plain noodles of supplementary passing light, supplementary passing light condensing portion with supplementary passing light source one-to-one, the light warp that supplementary passing light source sent supplementary passing light portion assembles the postemittance to supplementary passing light portion, warp the preliminary plain noodles of supplementary passing light are penetrated the postemittance and are shone on the lens, and the warp form supplementary passing light shape after the lens refraction.

Preferably, the high beam condensing part is a convex structure protruding backwards; the low-beam light-gathering part is of a light-gathering cup structure, the external profile surface of the low-beam light-gathering part is a curved surface with the diameter gradually increasing from back to front, or the low-beam light-gathering part is of a convex structure protruding backwards; supplementary short-distance beam light concentration portion is light concentration cup structure, the outside profile face of supplementary short-distance beam light concentration portion is by the preceding aperture gradual increase's of back curved surface, perhaps supplementary short-distance beam light concentration portion is convex protruding structure backward.

Preferably, the lens is a plano-convex lens, a biconvex lens or an arc lens, the longitudinal section of the arc lens is a plano-convex surface or a biconvex surface, and the arc lens is formed by rotating the longitudinal section by taking the vertical axis where the focus of the arc lens is located as a rotating shaft.

Preferably, the auxiliary low-beam light-passing portion lower surface is provided with a zone III structure, the zone III structure has a zone III lower surface, and a zone III light-emitting surface is formed between the zone III lower surface and the auxiliary low-beam light-passing portion lower surface.

Preferably, each module comprises a heat sink, and a dimming system is arranged at the rear end of the heat sink of at least one module.

Preferably, the dimming system comprises a left and right dimming mechanism and an up and down dimming mechanism, the left and right dimming mechanism comprises a fixed frame and a left and right dimming screw arranged along the left and right direction, and the left and right dimming screw is rotatably mounted on the fixed frame; the upper and lower dimming mechanisms comprise a support frame, upper and lower dimming screws arranged along the up and down direction and a threaded connecting piece in threaded connection with the upper and lower dimming screws, the support frame is slidably mounted on the fixed frame and is in threaded connection with a screw rod I of the left and right dimming screws, the upper and lower dimming screws are rotatably mounted on the support frame, and the threaded connecting piece is fixed on the radiator; the upper and lower dimming screws are rotated, and the threaded connecting piece moves up and down to drive the radiator to move up and down so that the radiator rotates around an upper dimming axis and a lower dimming axis to perform upper and lower dimming; the left and right dimming screws are rotated, the up and down dimming mechanism moves left and right, and the up and down dimming screws of the up and down dimming mechanism drive the radiator to move left and right, so that the radiator rotates around a left and right dimming axis to perform left and right dimming.

Preferably, one of the fixed frame and the supporting frame is provided with a sliding block along the left-right direction, and the other is provided with a sliding groove matched with the sliding block.

Preferably, the radiator is provided with first radiating fins, the left side and the right side of the threaded connecting piece are fixed on the first radiating fins, and gaps are formed between the front side and the rear side of the threaded connecting piece and the first radiating fins.

Preferably, the dimming system further comprises a rotating frame, a rotating shaft is arranged on the rotating frame in the vertical direction, a through hole matched with the rotating shaft is formed in the fixing frame, the left dimming axis and the right dimming axis are the central axis of the rotating shaft, and the radiator is suitable for driving the rotating frame to move left and right so as to drive the radiator to rotate around the left dimming axis and the right dimming axis.

Preferably, the radiator is provided with second radiating fins, the left and right sides of the second radiating fins are respectively provided with coaxial cylindrical convex blocks, the left and right ends of the rotating frame are respectively provided with round holes matched with the cylindrical convex blocks on the corresponding sides, and the upper and lower dimming axes are central axes of the cylindrical convex blocks.

Preferably, one of the second heat dissipation fin and the rotary frame is provided with a projection, and the other is provided with a groove matched with the projection, so that the heat sink and the rotary frame can synchronously rotate and synchronously move along the left-right direction.

Preferably, the rotating shaft is a screw column, the screw column is installed in the through hole through a screw, and a plurality of ribs in line contact with the through hole are arranged on the outer surface of the screw column.

Preferably, the left and right dimming screws and the upper and lower dimming screws are provided with limiting faces on screw heads, the left and right dimming screws and the upper and lower dimming screws are provided with clamping grooves on screw rods, the left and right dimming screws are installed on the fixing frame through the limiting faces I and the stopping washers I installed in the clamping grooves I, and the upper and lower dimming screws are installed on the supporting frame through the limiting faces II and the stopping washers II installed in the clamping grooves II.

Preferably, the screw heads of the left and right dimming screws and the upper and lower dimming screws are respectively provided with a dimming tool jack so that the dimming tool is inserted to drive the left and right dimming screws and the upper and lower dimming screws to rotate.

Preferably, the outer rings of the screw heads of the left and right light adjusting screws and the upper and lower light adjusting screws are respectively provided with a light adjusting gear, and the fixed frame and the support frame are respectively provided with a light adjusting tool guide sleeve so that the light adjusting tool can be inserted into and poke the light adjusting gear to drive the left and right light adjusting screws and the upper and lower light adjusting screws to rotate.

The utility model discloses the second aspect still provides a vehicle headlamps, including above-mentioned vehicle headlamps optical system.

The utility model discloses the third aspect still provides a vehicle, including above-mentioned vehicle headlamps.

The utility model discloses a set up a plurality of little opening modules for vehicle headlamps optical system's upper and lower height can be accomplished very little, can adapt to with the narrow long shape grading mirror, makes vehicle headlamps whole outward appearance be the narrow long shape, can improve visual effect in the molding, thereby realizes vehicle headlamps miniaturization and the design of molding diversification; through setting up distance light module, main passing light module and supplementary passing light module, can realize the illumination function of distance light, main passing light and supplementary passing light simultaneously, satisfy the diversified design demand of vehicle headlamps function.

The dimming system of the utility model is arranged at the rear end of the radiator, the design and the layout of other parts of the module can not be influenced, the whole structure of the dimming system is compact, the occupied space is small, the sizes of the module in the upper direction, the lower direction and the left direction and the right direction are not basically increased, so that the whole modeling design of the vehicle headlamp can not be influenced, and a larger design space is brought to the design of the vehicle headlamp; and through setting up left and right dimming screw and upper and lower dimming screw, can rotate the dimming screw and drive the radiator and rotate about or from top to bottom to drive whole module and rotate about or from top to bottom, realize that the module is controlled and is adjusted luminance from top to bottom, it is convenient to adjust luminance.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a schematic perspective view of a high beam module according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of the high beam module shown in fig. 1 according to an embodiment of the present invention;

fig. 5 is a side view of a high beam module in an embodiment of the present invention;

FIG. 6 is a sectional view F-F of FIG. 5;

fig. 7 is a schematic perspective view of a high beam optical element of a high beam module according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of an auxiliary low beam module according to an embodiment of the present invention;

fig. 9 is a cross-sectional view of an auxiliary low beam module of fig. 1 in an embodiment of the present invention;

fig. 10 is a side view of an auxiliary low beam module in an embodiment of the invention;

FIG. 11 is a sectional view taken along line G-G of FIG. 10;

fig. 12 is a schematic perspective view of another auxiliary low beam module according to an embodiment of the present invention;

fig. 13 is a cross-sectional view, taken along line D-D in fig. 1, of another auxiliary low beam module in accordance with an embodiment of the present invention;

fig. 14 is a schematic perspective view of the main low beam module according to an embodiment of the present invention;

FIG. 15 is a cross-sectional view of the main beam module of FIG. 1, taken along line E-E in accordance with an embodiment of the present invention;

fig. 16 is a schematic perspective view of a low beam optical element of the main low beam module according to an embodiment of the present invention;

fig. 17 is a schematic diagram of a low beam profile of an embodiment of the invention;

fig. 18 is a schematic view of a complete light shape according to an embodiment of the present invention;

fig. 19 is a schematic diagram of an ADB light pattern in accordance with an embodiment of the present invention;

fig. 20 is a schematic structural view of another embodiment of the present invention;

fig. 21 is a first schematic structural diagram of a dimming system according to another embodiment of the present invention;

fig. 22 is a schematic structural diagram of a dimming system according to another embodiment of the present invention;

fig. 23 is a schematic structural diagram of a dimming system according to another embodiment of the present invention;

fig. 24 is a schematic structural diagram of a light modulation system according to another embodiment of the present invention;

fig. 25 is an exploded view of a dimming system in accordance with another embodiment of the present invention;

fig. 26 is a schematic view of a light-adjusting system with a fixing frame removed according to another embodiment of the present invention;

fig. 27 is a schematic view of a connection structure between a rotary frame and a heat sink of a light adjusting system according to another embodiment of the present invention;

FIG. 28 is an enlarged view of the structure of FIG. 27 at H;

fig. 29 is an exploded view of a swivel mount and a heat sink of a light modulating system according to another embodiment of the present invention;

fig. 30 is a schematic view of a connection structure between a rotating frame and a fixed frame of a dimming system according to another embodiment of the present invention;

fig. 31 is an exploded view of a rotating frame and a fixed frame of a light adjusting system according to another embodiment of the present invention;

fig. 32 is a schematic view of a connection structure between a threaded connection member and a heat sink of a light modulation system according to another embodiment of the present invention;

FIG. 33 is an enlarged view of the structure at I in FIG. 32;

fig. 34 is a schematic structural view of a threaded connection of a dimming system according to another embodiment of the present invention;

fig. 35 is a first schematic structural diagram of a left-right dimming mechanism of a dimming system according to another embodiment of the present invention;

fig. 36 is a second schematic structural view of a left-right dimming mechanism of a dimming system according to another embodiment of the present invention;

fig. 37 is a schematic structural view of an up-down dimming mechanism of a dimming system according to another embodiment of the present invention;

fig. 38 is a schematic structural view of an upper and lower light adjusting screw of a light adjusting system according to another embodiment of the present invention.

Description of the reference numerals

1, a high beam module; 11 a first high beam module; 110 high beam condensing part; 111 a high beam light-passing part; 1110 a light impermeable layer; 112 light emitting part; 1120 a high beam light emitting surface; 113 high beam heat sink; 114 a high beam circuit board; 1141 a high beam light source; 12 a second high beam module; 13 a third high beam module; 2 auxiliary short-distance light module; 21 a first auxiliary low beam module; 211 a support part; 212 an arc lens; 213 auxiliary low beam heat sink; 214 auxiliary low beam circuit board; 2141 an auxiliary low beam light source; 215 auxiliary low beam condensing portion; 216 auxiliary low beam light passing portion; 2160 auxiliary short-distance primary light emergent surface; 217III zone structure; 2171 lower surface of zone III; 2172A light-emitting surface in zone III; 22 a second auxiliary low beam module; a 221 support part; 222 a lenticular lens; 223 auxiliary low beam heat sink; 224 auxiliary low beam circuit boards; 2241 auxiliary low beam light source; 225 auxiliary low beam condensing portion; 226 assist the low beam light passing portion; 2260 an auxiliary short-beam primary light emitting surface; 3 a main near light module; 31 low beam radiator; 32 low beam light collection portion; 320 an optical axis I; 33 a light channel; 331 a first optical channel; 3311 a reflecting part; 3312 cut-off; 332 a second optical channel; 34 near light emergent surface; 340 an optical axis II; 35 short-distance light circuit boards; 351 low beam light source; 4, a lens; 5 a dimming system; 51 left and right dimming screws; 511 left and right light adjusting tool jacks; 512 left and right dimming gears; 513 screw I; 5131 card slot I; 514 stopping the gasket I; 515 limiting surface I; 52 fixing a frame; 521 left and right dimming tool guide sleeves; 522 a slide block; 523 through hole; 53 up-down dimming screws; 531 up and down light adjusting tool jacks; 532 upper and lower dimming gears; 533 a screw II; 5331 a card slot II; 534 a spacing surface II; 535 a backstop washer II; 54 a support frame; 541, an upper and a lower light adjusting tool guide sleeve; 542 a chute; 543 a threaded hole; 55 a threaded connector; 551 gap; 552 a through slot; 56 a rotating frame; 560 left and right dimming axes; 561 a round hole; 562 a screw post; 5621 ribs; 563 a screw; 564 grooves; 61 first heat dissipation fins; 62 second heat sink fins; 620 upper and lower dimming axes; 621 a cylindrical projection; 622 bumps; a passing light shape; a1 main low beam shape; a2 assists in low beam light shape; b high beam shape.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships for the convenience of description and simplicity of description, but do not 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 therefore should not be construed as limiting the present invention. Here, "up" and "down" are directions parallel to the screw rod ii 533 of the upper and lower dimming screws 53, "up" is a direction away from the screw head of the upper and lower dimming screws 53 and closer to the screw rod ii 533 thereof, and "down" is a direction opposite to "up"; "left" and "right" are directions parallel to the screw shaft i 513 of the left and right dimming screw 51, "right" is a direction away from the screw head of the left and right dimming screw 51 and close to the screw shaft i 513 thereof, and "left" is a direction opposite to "right"; "front" refers to the direction of light exiting, and "back" is the opposite direction from "front".

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

The utility model provides a vehicle headlamps optical system, include a plurality of modules and locate each the lens 4 in module the place ahead, a plurality of modules include at least one distance light module 1, at least one main passing light module 3, at least one supplementary passing light module 2, lens 4 is narrow long shape lens, each the module along the length direction interval of lens 4 sets up, wherein, each the upper and lower opening size of the light-emitting window of module is all very little, each promptly the module is the little opening module.

By arranging the plurality of small opening modules, the upper and lower heights of the optical system of the vehicle headlamp can be very small and can be adapted to the narrow and long lens 4, so that the overall appearance of the vehicle headlamp is in a narrow and long shape, the visual effect can be improved in the shape, and the design of miniaturization and diversified shape of the vehicle headlamp is realized; through setting up distance light module 1, main passing light module 3 and supplementary passing light module 2, can realize the illumination function of distance light, main passing light and supplementary passing light simultaneously, satisfy the diversified design demand of vehicle headlamps function. As shown in fig. 17 and 18, the high beam module 1 forms a high beam b, the main low beam module 3 and the auxiliary low beam module 2 cooperate to form a low beam a, the main low beam module 3 forms a main low beam a1, i.e., a low beam central area light, and the auxiliary low beam module 2 forms an auxiliary low beam a2, i.e., a low beam widening area light.

As shown in fig. 3 to 7, the high beam module 1 includes a high beam optical element and at least one high beam light source 1141, the high beam optical element includes a high beam light passing portion 111 and a light emitting portion 112, the rear end of the high beam light passing portion 111 is provided with at least one high beam light condensing portion 110, the high beam light passing portion 111 and the light emitting portion 112 are sequentially connected and integrally formed, the high beam light condensing portions 110 correspond to the high beam light sources 1141 one by one, light beams emitted by the high beam light sources 1141 are condensed by the high beam light condensing portion 110 and sequentially emitted by the high beam light passing portion 111 and the light emitting portion 112 to form a high beam light pattern b, the high beam light pattern b is finally emitted by the light distribution lens 4, and the light distribution lens 4 can adjust the illuminance and the uniformity of the high beam light pattern b.

By arranging the high-beam light condensing part 110 and the high-beam light transmitting part 111, light emitted by the high-beam light source 1141 can be well converged in the up-down direction, so that the up-down height of a light emitting surface of the light emitting part 112 can be small, and the up-down height of the high-beam light condensing part 110 and the high-beam light transmitting part 111 can also be small, so that the up-down height of the whole high-beam module can be small, and the small opening design of the high-beam module is realized; through with high beam condensing portion 110, high beam light portion 111 and light-emitting portion 112 integrated into one piece, be integrated as an organic whole primary optical element and secondary optical element promptly, integrate the degree height, reduced the quantity of spare part for the high beam module volume reduces, and only need once install can, has avoided secondary installation error, can guarantee the relative position precision between them, thereby ensures the stability of light shape better.

The high beam condensing part 110 may have various forms, for example, the high beam condensing part 110 may have a solid condensing cup structure, an outer contour surface of the condensing cup structure is a curved surface whose aperture increases gradually from rear to front, and an incident surface of the condensing cup structure may be a plane or a curved surface; or the structure is a light-gathering cup structure with a concave cavity, the outer contour surface of the light-gathering cup structure is a curved surface with the diameter gradually increasing from back to front, the light-entering end of the light-gathering cup structure is provided with the concave cavity, the opening of the concave cavity is arranged backwards, and a bulge protruding backwards is arranged in the concave cavity; or the high beam condensing part 110 is a convex structure protruding backward. The high beam concentrating part 110 is preferably a convex structure protruding rearward. Of course, the high beam condensing unit 1102 may be provided in plural, and the plural high beam condensing units 110 may be provided in a row or in plural rows.

Specifically, the light emitting portion 112 has a high beam light emitting surface 1120, and the high beam light emitting surface 1120 is a convex lens light emitting surface, so that the light emitted from the high beam light source 1141 sequentially passes through the high beam condensing portion 110, the high beam light passing portion 111, and the light emitting portion 112 to form a high beam shape b.

Preferably, the outer surface of the high beam light passing part 111 is provided with a light-impermeable layer 1110, which can reduce stray light emitted from the outside of the high beam light exiting surface 1120 of the light exiting part 112, and avoid affecting the high beam illumination effect. The opaque layer 1110 and the high beam light-passing portion 111 are preferably integrally formed by two-color injection molding, and the processing is convenient, so that the connection between the opaque layer 1110 and the high beam light-passing portion 111 is firmer, the assembly is not required, and the number of assembly parts is reduced.

Preferably, the high beam light sources 1141 are adapted to independently control on and off, so that during high beam illumination, the illumination area of the vehicle lamp is controlled by controlling on and off of each high beam light source 1141 to avoid the area where the oncoming vehicle is located, thereby avoiding dazzling, achieving an intelligent anti-dazzling effect, and realizing ADB high beam illumination, and the ADB light shape formed thereby is as shown in fig. 19.

Further, the high beam module 1 further includes a high beam circuit board 114 and a high beam heat sink 113, the high beam light source 1141 is mounted on the high beam circuit board 114, and the high beam optical element and the high beam circuit board 114 are both mounted on the high beam heat sink 113.

As shown in fig. 14 to 16, the main low beam module 3 includes a low beam optical element and at least one low beam light source 351, the low beam optical element includes a light channel 33, the light channel 33 includes a first light channel 331 and a second light channel 332 which are integrally formed, the rear end of the first light channel 331 is integrally formed with at least one low beam condensing portion 32, the front end of the second light channel 332 is formed with a low beam light emitting surface 34, and the low beam condensing portions 32 and the low beam light sources 351 correspond one-to-one; the low-beam light-gathering portion 32 and the first light channel 331 are both located above the optical axis ii 340 of the low-beam light-emitting surface 34, the optical axis i 320 of the low-beam light-gathering portion 32 is inclined with respect to the optical axis ii 340 of the low-beam light-emitting surface 34, the lower surface of the first light channel 331 is formed as a reflection portion 3311, a cut-off portion 3312 is disposed at the intersection of the rear end surfaces of the reflection portion 3311 and the second light channel 332, light emitted from the low-beam light source 351 is converged by the low-beam light-gathering portion 32, passes through the first light channel 331 and the second light channel 332 in sequence, and is emitted through the low-beam light-emitting surface 34 to form a main low-beam light shape a1, the main low-beam light shape a1 is finally emitted through the light distribution lens 4, and the light distribution lens 4 can adjust the illuminance and the uniformity of the main low-beam light shape.

By arranging the low-beam light condensing part 32 and the light channel 33, light emitted by the low-beam light source 351 can be well converged in the up-down direction, so that the up-down height of the low-beam light emitting surface 34 can be small, and the up-down height of the low-beam light condensing part 32 and the light channel 33 can be small, so that the up-down height of the whole main low-beam module 3 can be small, and the small opening design of the main low-beam module 3 is realized; the primary optical element and the secondary optical element are integrated into a whole by arranging the low-beam light-gathering part 32 and the light channel 33 which are integrated into a whole, so that the integration degree is high, the number of parts is reduced, the size of the main low-beam module 3 is reduced, only one-time installation is needed, secondary installation errors are avoided, the relative position precision of the main low-beam module and the secondary low-beam module can be ensured, and the stability of light shape is better ensured; through setting up the nearly light beam portion 32 and first light passageway 331 all above the optical axis II 340 of passing through light exit surface 34, and the optical axis I320 of passing through light beam portion 32 sets up with the optical axis II 340 slope of passing through light exit surface 34, make the light that passes through light beam portion 32 and assemble pass through first light passageway 331 and second light passageway 332 in proper order, and the passing through light exit surface 34 of passing through light forms main passing through light form a1, can also make the emergent light of first light passageway 331 more penetrate into second light passageway 332 and pass through light exit surface 34 of passing through light, thereby improve the light efficiency, and can save material, reduction in production cost.

The specific path of the light emitted by the low-beam light source 351 is: a part of the light collected by the low-beam light collection portion 32 enters the first light channel 331 and then directly enters the second light channel 332, and then passes through the low-beam light emitting surface 34 to emit to the lower region of the horizontal 0 degree line, another part of the light emits to the lower surface of the first light channel 331, and this part of the light can be reflected by the reflection portion 3311 to the second light channel 332 and then passes through the low-beam light emitting surface 34 to emit to the lower region of the horizontal 0 degree line, and another part of the light passes through the cut-off portion 3312 to emit to the second light channel 332 and then form a low-beam cut-off line near the horizontal 0 degree line, so that the light collected by the low-beam light collection portion 32 finally passes through the low-beam light emitting surface 34 to emit to form a main low-beam light shape a1 with a light and dark cut-off line as shown in fig. 17. Thus, by providing the reflection portion 3311, the light emitted to the lower surface of the first light channel 331 can be reflected to the second light channel 332 and emitted through the near light emitting surface 34, so as to increase the light entering the second light channel 332; through setting up by portion 3312, by portion 3312 and the shape of passing light cut-off line suit for the light that hits to by portion 3312 forms passing light cut-off line after passing light goes out the plain noodles 34 of short-distance beam and jets out, need not to adopt the light screen to shelter from in addition and form the cut-off line, also need not to set up actuating mechanism simultaneously and drive the light screen and realize far and near light switching, has eliminated mechanical failure, has reduced spare part, has simplified the structure, makes space utilization efficiency and grading efficiency higher.

The low-beam condensing portion 32 and the low-beam light emitting surface 34 both have a focus, the optical axis i 320 of the low-beam condensing portion 32 is an axis passing through the focus of the low-beam condensing portion 32, and the optical axis ii 340 of the low-beam light emitting surface 34 is an axis extending in the front-rear direction passing through the focus of the low-beam light emitting surface 34. The dipped light emitting surface 34 may be a convex lens emitting surface, or may be a fresnel lens emitting surface. The cut-off portion 3312 is disposed at the focus of the low-beam light emitting surface 34, so that the light condensed by the low-beam light condensing portion 32 can be more intensively emitted to the cut-off portion 3312, and a main low-beam light shape a1 with a clear cut-off line is formed. The cut-off portion 3312 may be formed in a shape having a difference in height between right and left sides or in a straight shape or other shapes that meet lighting requirements.

Alternatively, the low-beam light condensing portion 32 may have various forms, for example, the low-beam light condensing portion 32 may have a solid light condensing cup structure, an outer contour surface of which is a curved surface with an increasing diameter from rear to front, and an incident surface of which may be a plane or a curved surface; or the structure is a light-gathering cup structure with a concave cavity, the outer contour surface of the light-gathering cup structure is a curved surface with the diameter gradually increasing from back to front, the light-entering end of the light-gathering cup structure is provided with the concave cavity, the opening of the concave cavity is arranged backwards, and a bulge protruding backwards is arranged in the concave cavity; or the low-beam condensing portion 32 is a convex structure that protrudes rearward. The low beam condensing portion 32 may be plural, and the low beam condensing portions 32 may be arranged in one row or plural rows.

Further, the main low beam module 3 further includes a low beam circuit board 35 and a low beam heat sink 31, the low beam light source 351 is mounted on the low beam circuit board 35, and the low beam optical element and the low beam circuit board 35 are both mounted on the low beam heat sink 31.

As shown in fig. 8 to 13, the auxiliary low beam module 2 includes an auxiliary low beam primary optical element, a lens and at least one auxiliary low beam light source 2141, the auxiliary low beam primary optical element includes an auxiliary low beam light-passing portion 216 and at least one auxiliary low beam light-passing portion 215, the rear end of the auxiliary low beam light-passing portion 216 and the auxiliary low beam light-passing portion 215 are integrally formed, an auxiliary low beam primary light-emitting surface 2160 is formed at the front end of the auxiliary low beam light-passing portion 216, the auxiliary low beam light-passing portions 215 and the auxiliary low beam light sources 2141 are in one-to-one correspondence, light emitted by the auxiliary low beam light source 2141 is converged by the auxiliary low beam light-passing portion 215 and then emitted to the auxiliary low beam light-passing portion 216, and then emitted through the auxiliary low beam primary light-emitting surface 2160 and then irradiated onto the lens, and refracted by the lens to form an auxiliary low beam light shape a2, and the auxiliary low beam shape a2 finally emitted through the light distribution lens 4, the lens 4 can adjust the illuminance and uniformity of the auxiliary low beam light shape a 2.

Through setting up supplementary passing light portion 216 and supplementary passing light portion 215, can carry out fine the gathering in the upper and lower direction to the light that supplementary passing light source 2141 sent, make the upper and lower height of the play plain noodles of lens possible very little, and supplementary passing light portion 216 and supplementary passing light portion 215's upper and lower height also can be possible very little, thereby make whole supplementary passing light module 2's upper and lower height possible very little, thereby realize supplementary passing light module 2's little open design.

The auxiliary low-beam light-gathering part 215 may have various forms, for example, the auxiliary low-beam light-gathering part 215 may have a solid light-gathering cup structure, an outer contour surface of the auxiliary low-beam light-gathering part is a curved surface whose aperture increases from rear to front, and an incident surface of the auxiliary low-beam light-gathering part may be a plane or a curved surface; or the structure is a light-gathering cup structure with a concave cavity, the outer contour surface of the light-gathering cup structure is a curved surface with the diameter gradually increasing from back to front, the light-entering end of the light-gathering cup structure is provided with the concave cavity, the opening of the concave cavity is arranged backwards, and a bulge protruding backwards is arranged in the concave cavity; or the auxiliary low beam condensing portion 215 is a convex structure protruding rearward. Of course, the auxiliary low beam condensing portion 215 may be plural, and the plural auxiliary low beam condensing portions 215 may be arranged in one row or in plural rows.

Specifically, the lower edge of the front end of the auxiliary low-beam light passing portion 216 is provided with an auxiliary low-beam cut-off line structure, the auxiliary low-beam cut-off line structure is adapted to the shape of the auxiliary low-beam cut-off line, so that the light emitted to the auxiliary low-beam cut-off line structure is emitted through the lens to form the auxiliary low-beam cut-off line, the auxiliary low-beam cut-off line structure is preferably arranged at the focal point of the lens, and the light converged by the auxiliary low-beam light converging portion 215 can be emitted to the auxiliary low-beam cut-off line structure more intensively to form an auxiliary low-beam light shape a2 with a clear cut-off line. The auxiliary low-beam cut-off line structure can be set to be in a shape with left-right height difference or a straight line shape or other shapes meeting the illumination requirements according to actual requirements.

Specifically, a supporting portion 211 for supporting the lens is disposed at the rear end of the lens, a cavity penetrating through the front end and the rear end of the supporting portion 211 is disposed in the supporting portion 211, and the auxiliary low-beam optical element is disposed in the cavity. The supporting portion 211 and the lens are preferably integrally formed, the supporting portion 211 is preferably made of opaque material, so as to reduce stray light emitted from the outside of the light emitting surface of the lens and avoid affecting the auxiliary low beam illumination effect, and of course, the supporting portion 211 may also be made of transparent material with a light-shielding coating on the surface.

Further, the auxiliary low beam module 2 further includes an auxiliary low beam circuit board 214 and an auxiliary low beam heat sink 213, the auxiliary low beam light source 2141 is installed on the auxiliary low beam circuit board 214, and the auxiliary low beam primary optical element, the lens and the auxiliary low beam circuit board 214 are all installed on the auxiliary low beam heat sink 213.

Fig. 8 to 11 show a specific structure of the auxiliary low beam module 2, wherein the lens is an arc lens 212, the longitudinal section of the arc lens 212 is a plano-convex surface or a biconvex surface, and the arc lens 212 is formed by rotating the longitudinal section with the vertical axis of the focal point as the rotating axis. By providing the arc lens 212, the light diffusion range of the light refracted by the arc lens can be further increased, so that the light emitted by the auxiliary low beam light source 2141 is refracted by the arc lens to form an auxiliary low beam light shape a2 with a wider spread angle, thereby widening the lateral illumination area in front of the vehicle and providing a wider illumination field for the driver. The auxiliary low beam module 2 is matched with the main low beam lighting module 3, so that the lighting area in front of the vehicle is wider and brighter.

Preferably, the lower surface of the auxiliary low-beam light-passing portion 216 is provided with a III-zone structure 217, the III-zone structure 217 has a lower III-zone surface 2171, and a III-zone light-emitting surface 2172 is formed between the lower III-zone surface 2171 and the lower surface of the auxiliary low-beam light-passing portion 216. Part of the light rays converged by the auxiliary low-beam light converging portion 215 are emitted to the region III structure 217, and enter the arc lens 212 after being emitted from the region III light emitting surface 2172, and are refracted by the arc lens 212 to form a low-beam region III light shape.

Fig. 12 to 13 show another embodiment of the auxiliary low-beam module 2, which likewise comprises an auxiliary low-beam primary optical element, a lens and at least one auxiliary low-beam light source 2241, said auxiliary low-beam primary optical element comprises an auxiliary low-beam light passage portion 226 and at least one auxiliary low-beam light condensing portion 225, an auxiliary low-beam primary light emitting surface 2260 is formed at the front end of the auxiliary low-beam light emitting portion 226, the auxiliary low-beam light-gathering part 225 corresponds to the auxiliary low-beam light sources 2241 one by one, the rear end of the lens is provided with a supporting part 221, and the lens further comprises an auxiliary low-beam circuit board 224 and an auxiliary low-beam radiator 223, the auxiliary low-beam light source 2241 is mounted on the auxiliary low-beam circuit board 224, the auxiliary low-beam primary optical element, the lens and the auxiliary low-beam circuit board 224 are all mounted on the auxiliary low-beam heat sink 223, the lens is a biconvex lens 222, but of course, the lens may also be a plano-convex lens.

As an embodiment, as shown in fig. 1 and 2, the optical system of the vehicle headlamp includes three high beam modules 1, a main low beam module 3 and two auxiliary low beam modules 2, the two auxiliary low beam modules 2 are located between the three high beam modules 1 and the main low beam module 3, the three high beam modules 1 are respectively a first high beam module 11, a second high beam module 12 and a third high beam module 13, the two auxiliary low beam modules 2 are respectively a first auxiliary low beam module 21 and a second auxiliary low beam module 22, the structure of the first auxiliary low beam module 21 is shown in fig. 8 to 11, the lower surface of the auxiliary low beam light portion 216 is provided with a III-zone structure 217, and the structure of the second auxiliary low beam module 22 is shown in fig. 12 to 13.

Each module comprises a heat sink, and preferably, a dimming system 5 is arranged at the rear end of the heat sink of at least one module.

Specifically, as shown in fig. 20 to 38, the dimming system 5 includes a left-right dimming mechanism and a top-bottom dimming mechanism, the left-right dimming mechanism includes a fixing frame 52 and left-right dimming screws 51 arranged along the left-right direction, the fixing frame 52 is fixedly connected with the housing of the vehicle headlamp or fixedly connected with other parts of the vehicle headlamp which are fixed relative to the housing of the vehicle headlamp, the left-right dimming screws 51 are rotatably mounted on the fixing frame 52, the top-bottom dimming mechanism includes a supporting frame 54, top-bottom dimming screws 53 arranged along the top-bottom direction and a threaded connector 55 in threaded connection with the top-bottom dimming screws 53, the supporting frame 54 is slidably mounted on the fixing frame 52 and in threaded connection with screws i 513 of the left-right dimming screws 51, the top-bottom dimming screws 53 are rotatably mounted on the supporting frame 54, the threaded connector 55 is fixed on the heat sink; the upper and lower dimming screws 53 are turned, the threaded connecting piece 55 moves up and down to drive the heat sink to move up and down, so that the heat sink rotates around an upper and lower dimming axis 620, that is, the whole module rotates around the upper and lower dimming axis 620 to perform upper and lower dimming; when the left and right dimming screws 51 are turned, the up-down dimming mechanism moves left and right, and the up-down dimming screws 53 of the up-down dimming mechanism drive the heat sink to move left and right, so that the heat sink rotates around the left and right dimming axis 560, that is, the whole module rotates around the left and right dimming axis 560 to perform left and right dimming.

The dimming system 5 of the utility model is arranged at the rear end of the radiator, which can not affect the design and layout of other parts of the module, and the dimming system 5 has compact integral structure and small occupied space, and basically does not increase the sizes of the module in the up-down direction and the left-right direction, thereby not affecting the overall modeling design of the vehicle headlamp and bringing larger design space for the design of the vehicle headlamp; through setting up left and right dimming screw 51 and upper and lower dimming screw 53, can rotate the dimming screw and drive the radiator and rotate about or from top to bottom to drive whole module and rotate about or from top to bottom, realize that the module is controlled luminance about and from top to bottom, it is convenient to adjust luminance.

Specifically, the screw rod i 513 of the left and right light adjusting screw 51 is in threaded fit with the support frame 54, the support frame 54 is provided with a threaded hole 543 matched with the screw rod i 513 of the left and right light adjusting screw 51, the support frame 54 is slidably mounted on the fixed frame 52, one of the fixed frame 52 and the support frame 54 is provided with a sliding block 522 along the left and right direction, and the other is provided with a sliding groove 542 matched with the sliding block 522. As shown in fig. 24 to 26, 36 and 37, the fixed frame 52 is provided with a sliding block 522 along the left-right direction, the supporting frame 54 is provided with a sliding slot 542 matched with the sliding block 522, the left and right dimming screws 51 are rotated, the screw rod i 513 of the left and right dimming screws 51 drives the supporting frame 54 to move left and right, that is, the up-down dimming mechanism is driven to move left and right, and the supporting frame 54 can slide left and right along the fixed frame 52 by the arrangement of the sliding block 522 and the sliding slot 542, so that the left and right movement of the supporting frame 54 is smoother, and the left and right dimming is more.

Specifically, as shown in fig. 20 to 26 and 32 to 34, the heat sink is provided with first heat dissipating fins 61, the left and right sides of the threaded connector 55 are fixed to the first heat dissipating fins 61, and gaps 551 are provided between the front and rear sides and the first heat dissipating fins 61. Specifically, the left side and the right side of the threaded connector 55 are both provided with through grooves 552 running through the front side and the rear side thereof, the first heat dissipation fins 61 are provided with mounting holes, the threaded connector 55 is inserted into the mounting holes and is clamped on the left side wall and the right side wall of the mounting holes through the through grooves 552, and gaps 551 are respectively provided between the front side and the rear side of the threaded connector 55 and the front side and the rear side wall of the mounting holes. Because the upper and lower adjusting screw 53 can not move up and down, therefore, when rotating the upper and lower adjusting screw 53, the screw rod ii 533 of the upper and lower adjusting screw 53 can drive the threaded connector 55 to move up and down, and the threaded connector 55 is clamped on the first heat dissipating fin 61, and then can drive the heat sink to move up and down, so that the heat sink can rotate around the upper and lower adjusting axis 620 to adjust light up and down. In addition, when the left and right dimming is performed, the left and right dimming screws 51 drive the support frame 54 to move left and right, the threaded connector 55 also moves left and right linearly along with the support frame 54, and the heat sink rotates along an arc line around the left and right dimming axis 560, so that the heat sink has a movement component in the front and rear direction relative to the threaded connector 55, and if the threaded connector 55 is fixed to the heat sink in the front and rear direction, the heat sink cannot rotate, so that the left and right sides of the threaded connector 55 are fixed to the first heat dissipating fins 61, and gaps 551 are formed between the front and rear sides of the threaded connector 55 and the first heat dissipating fins 61, and the threaded connector does not contact with the heat sink. Of course, threaded connection spare 55 also can make its left and right sides fix through other structures on first radiating fin 61, for example, threaded connection spare 55's the left and right sides all is equipped with the joint piece, all be equipped with the joint groove on the left and right sides wall of mounting hole, threaded connection spare 55 passes through joint piece joint and is in the joint inslot is in order to fix on the first radiating fin 61, it belongs to equally on the utility model discloses a protection scope. In addition, threaded hole is arranged on the threaded connector 55, and openings communicated with the threaded holes are arranged on the front side and the rear side of the threaded connector 55, so that the threaded connector 55 is easy to deform and is convenient to insert into the mounting holes in the first radiating fins 61, and is clamped with the first radiating fins 61.

Specifically, as shown in fig. 24 and 25, the dimming system 5 further includes a rotating frame 56, a rotating shaft is disposed on the rotating frame 56 along the vertical direction, a through hole 523 matched with the rotating shaft is disposed on the fixed frame 52, the left and right dimming axes 560 are central axes of the rotating shaft, and the heat sink is adapted to drive the rotating frame 56 to move left and right, so that the rotating frame 56 drives the heat sink to rotate around the left and right dimming axes 560. Preferably, as shown in fig. 25 to 27 and 29 to 31, the rotating shaft is a screw post 562, and the screw post 562 is installed in the through hole 523 through a screw 563, so as to prevent the screw post 562 from being disengaged from the through hole 523 of the fixed frame 52, and facilitate the installation and positioning of the rotating frame 56 on the fixed frame 52. More preferably, the outer surface of the screw column 562 is provided with a plurality of ribs 5621 in line contact with the through hole 523, so that the central axis of the screw column 562 and the central axis of the through hole 523 can be coincident, and the screw column 562 can better rotate around the central axis of the screw column 562 in the through hole 523.

Specifically, as shown in fig. 23, 29 and 32, the heat sink is provided with a second heat dissipating fin 62, the left and right sides of the second heat dissipating fin 62 are respectively provided with a coaxial cylindrical protrusion 621, the left and right ends of the rotating frame 56 are respectively provided with a circular hole 561 matched with the cylindrical protrusion 621 on the corresponding side, and the upper and lower dimming axes 620 are the central axes of the cylindrical protrusion 621. When the light is adjusted up and down, the upper and lower light adjusting screws 53 are rotated, the screw II 533 of the upper and lower light adjusting screws 53 drives the heat sink to move up and down, the fixing frame 52 is connected with the rotating frame 56, the rotating frame 56 is connected with the second heat radiating fins 62, and the fixing frame 52 limits the up and down movement of the heat sink, so that the cylindrical protrusions 621 on the left side and the right side of the second heat radiating fins 62 rotate around the central axis of the cylindrical protrusions in the round hole 561, namely, the heat sink rotates around the upper and lower light adjusting axis 620, thereby realizing the up.

Further, one of the second heat dissipating fins 62 and the rotating frame 56 is provided with a protrusion 622, and the other is provided with a groove 564 engaged with the protrusion 622, so that the heat sink and the rotating frame 56 can rotate synchronously and move synchronously in the left-right direction. As shown in fig. 27 to 29, the second heat dissipating fins 62 are provided with projections 622 extending in the front-rear direction, and the rotating frame 56 is provided with grooves 564 extending in the front-rear direction and engaged with the projections 622. When dimming left and right, the left and right dimming screws 51 are rotated, the screw rod I513 of the left and right dimming screws 51 drives the up and down dimming mechanism to move left and right, the up and down dimming screws 53 of the up and down dimming mechanism drive the radiator to move left and right, the bump 622 on the second heat dissipation fin 62 drives the groove 564 and further drives the rotating frame 56 to move left and right synchronously, because the rotating frame 56 is provided with a rotating shaft along the up and down direction, the fixing frame 52 is provided with a through hole 523 matched with the rotating shaft, the fixing frame 52 limits the left and right movement of the rotating frame 56, so that the rotating frame 56 rotates around the left and right dimming axis 560, the groove 564 on the rotating frame 56 drives the bump 622 and further drives.

Of course, the second heat dissipating fins 62 may not be provided, and the coaxial cylindrical protrusions 621 may be provided on the left and right sides of the first heat dissipating fins 61, respectively, and the protrusion 622 extending in the front-rear direction may be provided on the first heat dissipating fins 61 so as to be engaged with the rotating frame 56, thereby achieving the same vertical and horizontal dimming. Furthermore, the rotating frame 56 may not be provided, the round holes 561 matching with the cylindrical protrusions 621 on the corresponding sides may be respectively provided at the left and right ends of the fixing frame 52, the rotating shaft is provided on the first heat dissipating fins 61 along the vertical direction, the through holes 523 matching with the rotating shaft are provided on the fixing frame 52, the vertical and horizontal dimming may also be realized, and these modifications also belong to the protection scope of the present invention.

Preferably, as shown in fig. 25 and 35 to 38, the screw heads of the left and right dimming screws 51 and the up and down dimming screws 53 are respectively provided with a limiting surface, the screw rods of the left and right dimming screws 51 and the up and down dimming screws 53 are respectively provided with a slot, the left and right dimming screws 51 are mounted on the fixing frame 52 through the limiting surfaces i 515 and the retaining washers i 514 mounted in the slots i 5131 thereof, so that the left and right dimming screws 51 can rotate on the fixing frame 52 and cannot move in the left and right directions, and the up and down dimming screws 53 are mounted on the supporting frame 54 through the limiting surfaces ii 534 thereof and the retaining washers ii 535 mounted in the slots ii 5331 thereof, so that the up and down dimming screws 53 can rotate on the supporting frame 54 and cannot move in the up and down directions.

Preferably, as shown in fig. 20, 21, 25, 35 and 37, the left and right dimming screws 51 are provided with left and right dimming tool insertion holes 511 on screw heads thereof, and a dimming tool is inserted into the left and right dimming tool insertion holes 511 to rotate the left and right dimming screws 51 by rotating the dimming tool, and the up and down dimming screws 53 are provided with up and down dimming tool insertion holes 531 on screw heads thereof, and the dimming tool is inserted into the up and down dimming tool insertion holes 531 to rotate the up and down dimming screws 53 by rotating the dimming tool. The dimming tool insertion hole may be a polygonal hole, such as a hexagonal hole, or a bar-shaped hole or a cross-shaped hole, and the dimming tool may be a screwdriver engaged with the dimming tool insertion hole, and the screwdriver is inserted into the dimming tool insertion hole to rotate the screwdriver to rotate the left and right dimming screws 51 and the up and down dimming screws 53.

Preferably, as shown in fig. 20 to 26 and 35 to 37, a left and a right dimming gear 512 is disposed on an outer ring of a screw head of the left and the right dimming screw 51, a left and a right dimming tool guide 521 is disposed on the fixing frame 52, the dimming tool is inserted into the left and the right dimming tool guide 521, the left and the right dimming screw 51 is driven to rotate by shifting the left and the right dimming gear 512, a top and a bottom dimming gear 532 is disposed on an outer ring of a screw head of the top and the bottom dimming screw 53, a top and a bottom dimming tool guide 541 is disposed on the supporting frame 54, the dimming tool is inserted into the top and the bottom dimming tool guide 541, and the. Through setting up the instrument guide pin bushing of adjusting luminance, the instrument of adjusting luminance of being convenient for inserts to can stir the gear rotation of adjusting luminance better. The dimming tool may be a screwdriver fitted with a dimming gear, the screwdriver head is engaged with the dimming gear, and the left and right dimming screws 51 and the up and down dimming screws 53 are rotated by inserting the screwdriver into the dimming tool guide sleeve to be engaged with the dimming gear.

The utility model discloses the second aspect still provides a vehicle headlamps, including above-mentioned vehicle headlamps optical system. The vehicle headlamp can realize miniaturization and diversified design.

The utility model discloses the third aspect still provides a vehicle, including above-mentioned vehicle headlamps. The vehicle can realize the design of diversified shapes, and is favorable for improving the overall visual effect and the attractiveness of the vehicle.

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 (17)

1. The vehicle headlamp optical system is characterized by comprising a plurality of modules and a light distribution lens (4) arranged in front of each module, wherein the modules comprise at least one high beam module (1), at least one main low beam module (3) and at least one auxiliary low beam module (2), the light distribution lens (4) is a narrow and long light distribution lens, and the modules are arranged at intervals along the length direction of the light distribution lens (4);

the high beam module (1) comprises a high beam optical element and at least one high beam light source (1141), the high beam optical element comprises a high beam light-passing part (111) and a light-emitting part (112), the rear end of the high beam light-passing part (111) is provided with at least one high beam light-condensing part (110), the high beam light-passing part (111) and the light-emitting part (112) are sequentially connected and integrally formed, the high beam light-condensing parts (110) are in one-to-one correspondence with the high beam light sources (1141), and light emitted by the high beam light sources (1141) is condensed by the high beam light-condensing part (110) and is emitted by the high beam light-passing part (111) and the light-emitting part (112) sequentially to form a high beam shape;

the main low-beam module (3) comprises a low-beam optical element and at least one low-beam light source (351), the low-beam optical element comprises a light channel (33), the light channel (33) comprises a first light channel (331) and a second light channel (332) which are integrally formed, at least one low-beam light condensing part (32) is integrally formed at the rear end of the first light channel (331), a low-beam light emitting surface (34) is formed at the front end of the second light channel (332), and the low-beam light condensing parts (32) correspond to the low-beam light sources (351) one to one; the low-beam light condensing part (32) and the first light channel (331) are both positioned above an optical axis II (340) of the low-beam light emitting surface (34), an optical axis I (320) of the low-beam light condensing part (32) is obliquely arranged relative to the optical axis II (340) of the low-beam light emitting surface (34), the lower surface of the first light channel (331) is formed into a reflecting part (3311), a cut-off part (3312) is arranged at the intersection of the reflecting part (3311) and the rear end surface of the second light channel (332), and light emitted by the low-beam light source (351) is condensed by the low-beam light condensing part (32), then sequentially passes through the first light channel (331) and the second light channel (332), and is emitted out through the low-beam light emitting surface (34) to form a low-beam shape;

the auxiliary low-beam module (2) comprises an auxiliary low-beam primary optical element, a lens and at least one auxiliary low-beam light source (2141), said auxiliary low-beam primary optical element comprising an auxiliary low-beam light passage section (216) and at least one auxiliary low-beam light condensing section (215), the rear end of the auxiliary low beam light-passing part (216) and the auxiliary low beam light-gathering part (215) are integrally formed, an auxiliary low-beam primary light emitting surface (2160) is formed at the front end of the auxiliary low-beam light-passing part (216), the auxiliary low beam light condensing parts (215) correspond to the auxiliary low beam light sources (2141) one to one, light emitted by the auxiliary low-beam light source (2141) is converged by the auxiliary low-beam light converging part (215) and then emitted to the auxiliary low-beam light passing part (216), and is emitted from the auxiliary low-beam primary light emitting surface (2160) and then emitted to the lens, and the auxiliary low-beam light is formed after the refraction of the lens.

2. The vehicle headlamp optical system according to claim 1, wherein the high beam condensing portion (110) is a convex structure that protrudes rearward; the low-beam light-gathering part (32) is of a light-gathering cup structure, the external profile surface of the low-beam light-gathering part (32) is a curved surface with the diameter gradually increasing from back to front, or the low-beam light-gathering part (32) is of a convex structure protruding backwards; the auxiliary low-beam light condensing part (215) is of a light condensing cup structure, the outer profile surface of the auxiliary low-beam light condensing part (215) is a curved surface gradually increasing from the rear to the front aperture, or the auxiliary low-beam light condensing part (215) is of a convex structure protruding backwards.

3. The vehicle headlamp optical system according to claim 1, wherein the lens is a plano-convex lens or a biconvex lens (222) or an arc lens (212), the arc lens (212) has a plano-convex or a biconvex surface in a longitudinal section, and the arc lens (212) is formed by rotating the longitudinal section by taking a vertical axis in which a focal point of the longitudinal section is located as a rotating axis.

4. Vehicle headlamp optical system according to claim 1, wherein the lower surface of the auxiliary low-beam light passage portion (216) is provided with a zone III structure (217), the zone III structure (217) having a zone III lower surface (2171), a zone III light exit surface (2172) being formed between the zone III lower surface (2171) and the lower surface of the auxiliary low-beam light passage portion (216).

5. Vehicle headlamp optical system according to any of claims 1 to 4, wherein each of the modules comprises a heat sink, the rear end of the heat sink of at least one of the modules being provided with a dimming system (5).

6. The vehicle headlamp optical system according to claim 5, wherein the dimming system (5) comprises a left-right dimming mechanism and an up-down dimming mechanism, the left-right dimming mechanism comprises a holder (52) and a left-right dimming screw (51) provided in a left-right direction, the left-right dimming screw (51) is rotatably mounted on the holder (52); the up-down dimming mechanism comprises a support frame (54), up-down dimming screws (53) arranged along the up-down direction and a threaded connecting piece (55) in threaded connection with the up-down dimming screws (53), the support frame (54) is slidably mounted on the fixing frame (52) and in threaded connection with screw rods I (513) of the left-right dimming screws (51), the up-down dimming screws (53) are rotatably mounted on the support frame (54), and the threaded connecting piece (55) is fixed on the radiator;

the upper and lower dimming screws (53) are rotated, the threaded connecting piece (55) moves up and down to drive the radiator to move up and down, so that the radiator rotates around an upper and lower dimming axis (620) to perform upper and lower dimming; the left and right dimming screws (51) are rotated, the up and down dimming mechanism moves left and right, and the up and down dimming screws (53) of the up and down dimming mechanism drive the radiator to move left and right, so that the radiator rotates around a left and right dimming axis (560) to perform left and right dimming.

7. The vehicle headlamp optical system according to claim 6, wherein one of the fixed frame (52) and the support frame (54) is provided with a slider (522) in a left-right direction, and the other is provided with a slide groove (542) which is fitted with the slider (522).

8. The vehicle headlamp optical system according to claim 6, wherein first heat dissipating fins (61) are provided on the heat sink, left and right sides of the threaded connector (55) are fixed to the first heat dissipating fins (61), and gaps (551) are provided between front and rear sides thereof and the first heat dissipating fins (61).

9. The vehicle headlamp optical system according to claim 6, wherein the dimming system (5) further comprises a rotating frame (56), a rotating shaft is arranged on the rotating frame (56) along a vertical direction, a through hole (523) matched with the rotating shaft is arranged on the fixed frame (52), the left and right dimming axes (560) are central axes of the rotating shaft, and the heat sink is adapted to drive the rotating frame (56) to move left and right, so that the rotating frame (56) drives the heat sink to rotate around the left and right dimming axes (560).

10. The vehicle headlamp optical system according to claim 9, wherein a second heat dissipating fin (62) is provided on the heat sink, coaxial cylindrical protrusions (621) are provided on left and right sides of the second heat dissipating fin (62), circular holes (561) are provided on left and right ends of the rotating frame (56) respectively, the circular holes are matched with the cylindrical protrusions (621) on the corresponding sides, and the upper and lower dimming axes (620) are central axes of the cylindrical protrusions (621).

11. The vehicle headlamp optical system according to claim 10, wherein one of the second heat dissipating fin (62) and the rotating frame (56) is provided with a projection (622), and the other is provided with a groove (564) that fits with the projection (622) to enable the heat sink and the rotating frame (56) to rotate synchronously and move synchronously in the left-right direction.

12. The vehicle headlamp optical system according to claim 9, wherein the rotary shaft is a screw post (562), the screw post (562) is installed in the through hole (523) by a screw (563), and an outer surface of the screw post (562) is provided with a plurality of ribs (5621) in line contact with the through hole (523).

13. The vehicle headlamp optical system according to claim 6, wherein the screw heads of the left and right dimming screws (51) and the upper and lower dimming screws (53) are provided with limiting surfaces, the screw rods of the left and right dimming screws (51) and the upper and lower dimming screws (53) are provided with clamping grooves, the left and right dimming screws (51) are mounted on the fixing frame (52) through the limiting surfaces I (515) and the retaining washers I (514) mounted in the clamping grooves I (5131), and the upper and lower dimming screws (53) are mounted on the supporting frame (54) through the limiting surfaces II (534) and the retaining washers II (535) mounted in the clamping grooves II (5331).

14. The vehicle headlamp optical system according to claim 6, wherein the left and right dimming screws (51) and the up and down dimming screws (53) are each provided with a dimming tool insertion hole on a screw head thereof, so that a dimming tool is inserted to drive the left and right dimming screws (51) and the up and down dimming screws (53) to rotate.

15. The vehicle headlamp optical system according to claim 6, wherein the outer rings of the screw heads of the left and right dimming screws (51) and the upper and lower dimming screws (53) are provided with dimming gears, and the fixed frame (52) and the supporting frame (54) are provided with dimming tool guide sleeves, so that a dimming tool can be inserted into and pull the dimming gears to drive the left and right dimming screws (51) and the upper and lower dimming screws (53) to rotate.

16. A vehicle headlamp characterized by comprising the vehicle headlamp optical system as claimed in any one of claims 1 to 15.

17. A vehicle comprising the vehicle headlamp of claim 16.

Images