CN213542362U - Car light optical assembly, car light module and vehicle - Google Patents

Abstract

The utility model relates to a vehicle lighting device discloses a car light optical assembly, including primary optical element and secondary optical element, primary optical element is including the income light portion (11), the portion of light passing through (12) and the primary portion of light (13) that connect gradually, secondary optical element includes secondary portion of light (22) and is used for supporting portion (21) of secondary portion of light (22), supporting portion (21) with secondary portion of light (22) form and are used for the holding primary optical element's cavity, the shape of the cross section of secondary portion of light (22) is ring shape, the light that goes into light portion (11) and assemble passes through in proper order portion of light passing through (12) and primary portion of light (13) and by secondary portion of light (22) throw and form the illumination light shape. Furthermore, the utility model also discloses a car light module and vehicle. The utility model discloses a car light optical assembly can form the regional light shape of wideer broadening.

Description

Car light optical assembly, car light module and vehicle

Technical Field

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

Background

With the development of vehicle lamp technology, the requirements of people on the appearance, brightness and light shape of vehicle lamps are higher and higher. The good illumination condition has very important effect to alleviating eyestrain, keeping safe car distance, effectively avoiding high-speed accident, and the short-distance beam broadening illumination zone and the high-distance beam broadening illumination zone can let the driver have a wider and farther field of vision, can in time discover the emergency of driving at night to obtain longer reaction time.

In the prior art, in order to form a broadened area light shape, a lighting module generally includes a light source, a light guide element, and a lens, which are sequentially disposed, and light emitted by the light source is converged and transmitted by the light guide element, and then is projected by the lens to form a broadened area lighting light shape. However, in the illumination module having the above-described configuration, the width of the illumination light pattern in the wide area is narrow, and if the illumination light pattern having a wider width is required, the size of the illumination module needs to be increased, which is a significant contradiction to the trend of the vehicle shape becoming more compact in the future.

In view of the above, a need exists for a new optical assembly for a vehicle lamp.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that the first aspect will be solved provides a car light optical assembly, and this car light optical assembly can form the regional light shape of wideer broadening.

The utility model discloses the technical problem that the second aspect will be solved provides a car light module, and this car light module can form the regional light shape of wideer broadening.

The utility model discloses the technical problem that the third aspect will be solved provides a vehicle, and the car light module of this vehicle can form the regional light shape of wideer broadening.

In order to solve the above technical problem, an aspect of the present invention provides a vehicle lamp optical assembly, including primary optical element and secondary optical element, primary optical element includes the income light portion, light portion and the primary light portion that connect gradually, secondary optical element includes secondary light portion and is used for supporting the supporting part of secondary light portion, the supporting part with secondary light portion forms and is used for the holding primary optical element's cavity, the shape of secondary light portion's cross section is the ring shape, the light that goes into light portion and assemble passes through in proper order light portion and primary light portion and by secondary light portion throws and forms the illumination light shape.

Preferably, the primary optical element is disposed obliquely with respect to an optical axis of the secondary light exit portion.

As a specific structural form, the light incident part of the primary optical element is a light-gathering cup structure; or the light inlet part is a curved surface structure or a cone structure which protrudes backwards.

Preferably, the primary light-emitting portion is a smooth curved surface with two sides bent forward.

Preferably, the surface of the supporting part is provided with a light-shielding coating or the supporting part is an opaque part.

As a specific structure form, the lower side of the light-passing part is provided with a zone III forming structure, the zone III forming structure extends from the light-entering part to the primary light-exiting part, and part of the light rays converged by the light-entering part can enter the zone III forming structure and are emitted to the secondary light-exiting part from the front end surface of the zone III forming structure, and are projected through the secondary light-exiting part to form a low-beam zone III light shape.

Preferably, the front end surface of the zone III formation structure is a smooth curved surface with both sides bent forward.

As a specific structural form, the primary optical element comprises a plurality of the light incident portions, the rear ends of the zone III structures are connected with the plurality of light incident portions so that part of the light rays converged by the plurality of light incident portions can be incident into the zone III structures, and two side surfaces of the zone III structures are gradually inclined from back to front in a direction approaching the optical axis of the secondary light emergent portion.

In a specific structure form, the rear end of the primary optical element is provided with a primary mounting part, the rear end of the secondary optical element is provided with a secondary mounting part, and the primary mounting part and the secondary mounting part are both provided with through holes so as to enable the secondary optical element to be connected with the primary optical element through a fastener.

Preferably, the focal point of the secondary light emergent portion is disposed on a lower edge or an upper edge of the primary light emergent portion.

Typically, the secondary optical element is an integrally formed part.

The utility model discloses the second aspect still provides a car light module, including radiator, circuit board, set up in light source on the circuit board and any one in the first aspect technical scheme car light optical assembly, the light source set up in go into the rear of light portion.

Preferably, the heat sink, the circuit board and the lamp optical assembly are connected in sequence by a fastener.

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

The optical assembly for a vehicle lamp in the basic technical scheme comprises a primary optical element and a secondary optical element, wherein the supporting part and the secondary light-emitting part can form a cavity for accommodating the primary optical element. The light entering part of the primary optical element can collect light rays, and the collected light rays sequentially pass through the light passing part and the primary light emitting part and are projected by the secondary light emitting part to form an illumination light shape. The vehicle lamp optical assembly is provided with two light distribution optical surfaces, namely the light emitting surface of the primary light emitting part and the light incident surface of the secondary light emitting part, so that light distribution parameters are increased, the light distribution is more flexible, the vehicle lamp is more novel and changeable in shape, and the requirements of a user on the personalized and scientific vehicle lamp shape are met; moreover, the cross section of the secondary light emergent part is in a circular ring shape, so that the refraction angle of emergent light is larger, and a wider widening area illumination light shape is formed; in addition, the processing technology of the annular secondary light-emitting part is simple, materials can be saved, and cost and weight can be reduced.

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

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a vehicle lamp module according to the present invention;

fig. 2 is a top view of an embodiment of the vehicle lamp module of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

fig. 4 is a side view of an embodiment of the vehicle lamp module of the present invention;

FIG. 5 is a sectional view taken along line B-B of FIG. 4;

FIG. 6 is one of the schematic structural diagrams of an embodiment of the primary optical element in the optical assembly of the present invention;

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

fig. 8 is a third schematic structural diagram of an embodiment of the primary optical element in the optical assembly of the present invention;

FIG. 9 is a top view of one embodiment of a primary optic in a vehicle lamp optic assembly according to the present invention;

FIG. 10 is a cross-sectional view E-E of FIG. 9;

FIG. 11 is a side view of one embodiment of a primary optic in a vehicle lamp optic assembly according to the present invention;

FIG. 12 is a sectional view F-F of FIG. 11;

fig. 13 is a schematic structural diagram of an embodiment of a secondary optical element in a vehicle lamp optical assembly according to the present invention;

FIG. 14 is a top view of one embodiment of a secondary optic in a vehicle lamp optic assembly according to the present invention;

FIG. 15 is a cross-sectional view C-C of FIG. 14;

FIG. 16 is a side view of one embodiment of a secondary optic in a vehicle lamp optic assembly according to the present invention;

FIG. 17 is a cross-sectional view D-D of FIG. 16;

fig. 18 is a schematic light shape diagram of an embodiment of the vehicle lamp module according to the present invention.

Description of the reference numerals

11 light-entering part and 12 light-passing part

13 primary light-emitting part 14III area forming structure

15 Primary mount

21 support part 22 secondary light-emitting part

221 light incident surface 222 light emergent surface

23 sub mount 24 optical axis

3 light source 4 circuit board

5 Heat sink

61 near-beam III-zone light pattern 62 near-beam broadening-zone light pattern

63 horizontal cut-off line

Detailed Description

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

It should be understood that, as shown in fig. 3, based on the optical assembly of the vehicle lamp, "front" refers to the end where the secondary light-emitting portion 22 is located, "rear" refers to the end where the light-entering portion 11 is located, "left" refers to the left side along the light-emitting direction, "right" refers to the right side along the light-emitting direction, "up" refers to the above along the light-emitting direction, "down" refers to the below along the light-emitting direction, and in the actual installation situation, the orientation terms should be interpreted according to the actual installation state and with reference to the present optical element itself, and the terms are based on the orientation or positional relationship shown in the drawings, which are only for convenience of description and simplification of description, but are not for indicating or implying that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore cannot be construed as a limitation of the present invention. It should be noted that the light emitting direction is a light path direction in the optical assembly of the vehicle lamp.

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

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

Referring to fig. 1 to 5, a first aspect of the present invention provides a vehicle lamp optical assembly, including a primary optical element and a secondary optical element, wherein the primary optical element includes a light incident portion 11, a light passing portion 12 and a primary light emitting portion 13 connected in sequence; the secondary optical element comprises a secondary light-emitting portion 22 and a support portion 21 for supporting the secondary light-emitting portion 22, in particular, the support portion 21 and the secondary light-emitting portion 22 can be assembled or integrally molded, the support portion 21 and the secondary light-emitting portion 22 form a cavity for accommodating the primary optical element, wherein, in order to widen the illumination light shape of the widening area, the vehicle lamp optical assembly creatively provides the secondary light-emitting portion 22 with a circular cross section. Referring to fig. 14 to 17, the light incident surface 221 and the light emitting surface 222 of the secondary light emitting portion 22 are both curved surfaces protruding forward, and more specifically, referring to fig. 17, a cross-sectional line of the light incident surface 221 of the secondary light emitting portion 22 and a cross-sectional line of the light emitting surface 222 of the secondary light emitting portion 22 are both arcs protruding forward, and the cross-sectional shape of the secondary light emitting portion 22 makes the refraction angle of the emitted light larger, and the formed widening area has a wider light shape angle; referring to fig. 15, a sectional line of the light incident surface 221 of the secondary light emergent portion 22 may be a straight line or a forward convex arc, and a sectional line of the light emergent surface 222 of the secondary light emergent portion 22 is a forward convex arc. A light source may be disposed behind the light incident portion 11, and light emitted from the light source is converged by the light incident portion 11, passes through the light passing portion 12, and is emitted from the primary light emitting portion 13 to the secondary light emitting portion 22, and the secondary light emitting portion 22 projects the light to form an illumination light shape. The utility model discloses basic embodiment's car light optical assembly, it can form the illumination light shape in the broadening region of passing light, high beam or corner lamp, because the shape of the cross section of secondary light-emitting portion 22 is the ring shape, makes the refraction angle of emergent ray bigger, improves the illumination width of passing light, high beam and corner lamp, provides the wider illumination field of vision for the driver; moreover, the optical assembly of the car lamp is provided with two light distribution optical surfaces, namely the light emergent surface of the primary light emergent part 13 and the light incident surface of the secondary light emergent part 22, so that the light distribution is more flexible, the shape of the car lamp is more novel and changeable, and the requirements of a user on the shape of the car lamp with individuation and scientific sense can be met; in addition, the processing technology of the annular secondary light-emitting part 22 is simple, materials can be saved, and cost and weight can be reduced.

Preferably, referring to fig. 3, the primary optical element is disposed obliquely with respect to the optical axis 24 of the secondary light-emitting portion 22, so that the emitted light of the primary light-emitting portion 13 is more incident into the secondary light-emitting portion 22, thereby improving the light utilization rate and improving the lighting effect of the vehicle lamp. The inclination angle of the primary optical element relative to the optical axis 24 of the secondary light-emitting portion 22 is set according to the light shape requirement, specifically, when applied to a low beam vehicle lamp module, the primary optical element is obliquely arranged in the cavity of the secondary optical element from the rear upper side to the front lower side and forms a certain inclination angle with the optical axis 24, and when applied to a high beam vehicle lamp module, the primary optical element is obliquely arranged in the cavity of the secondary optical element from the rear lower side to the front upper side and forms a certain inclination angle with the optical axis 24.

Preferably, referring to fig. 6 to 12, the light incident portion 11 of the primary optical element is a light-gathering cup structure, and further preferably, in order to improve the brightness and width of the illumination light shape of the widened area, a plurality of light incident portions 11 may be disposed along the left-right direction, and a light source is disposed behind each light incident portion 11 in one-to-one correspondence. Specifically, the end of the light-gathering cup structure far away from the primary light-emitting portion 13 is provided with an inner concave cavity, the inner concave cavity comprises a front light-in surface and a side light-in surface, the front light-in surface is a curved surface protruding towards one side far away from the primary light-emitting portion 13, the side light-in surface is a curved surface gradually decreasing from one end far away from the primary light-emitting portion 13 to one end near the primary light-emitting portion 13, and the external profile surface of the light-gathering cup structure is a curved surface gradually increasing from one end far away from the primary light-emitting portion 13 to one end near the primary light-. Referring to fig. 5, the opening of the concave cavity faces the light source 3 to receive the light emitted from the light source 3, the divergent light is refracted or reflected by the light-gathering cup structure to form a light beam with a smaller angle, so that the light emitted from the light source 3 can be totally or mostly incident into the light-passing part 12, specifically, the light-gathering cup structure can refract part of the light emitted from the light source 3 to the front through the front light-entering surface of the concave cavity, the side light incident surface of the concave cavity can refract other light rays emitted by the light source 3, and the refracted light rays are reflected to the front through the external contour surface, therefore, the convergence and collimation of all light beams emitted by the light source 3 can be basically realized, the purpose of improving the utilization rate of the light beams of the light source 3 can be achieved, the size of the primary optical element can be reduced while higher light efficiency is realized, and the optical component of the car lamp further tends to be miniaturized. Alternatively, the light incident portion 11 may have a curved surface structure or a tapered structure protruding rearward. Of course, the utility model discloses a light incident portion 11 is not limited to above-mentioned structure, can also be other structures, and its effect all is with light gathering collimation, consequently, some other spotlight structures also all belong to the utility model discloses a protection scope.

Preferably, the primary light emergent portion 13 is a smooth curved surface with two sides bent forward so as to be capable of adapting to the focal plane of the secondary light emergent portion 22, so that the illumination light projected by the secondary light emergent portion 22 is clear.

Preferably, referring to fig. 13, the surface of the supporting portion 21 of the secondary optical element is provided with a light-shielding coating, such as black paint coated on the surface of the supporting portion 21, or the supporting portion 21 can be made of a light-impermeable material, so that the light emitted from the supporting portion 21 can be prevented from forming stray light.

Preferably, referring to fig. 8 and 10, in order to form a low-beam III-zone light shape 61, the lower side of the light-passing portion 12 is provided with a III-zone forming structure 14, the III-zone forming structure 14 extends from the light-entering portion 11 to the primary light-exiting portion 13 to the middle area of the light-passing portion 12, and a part of the light rays converged by the light-entering portion 11 can enter the III-zone forming structure 14 and emit from the front end surface of the III-zone forming structure 14 to the secondary light-exiting portion 22 to be projected through the secondary light-exiting portion 22 to form the low-beam III-zone light shape 61. The low-beam III-zone light pattern 61 is located above the low-beam cutoff line, and mainly illuminates objects above the road surface, such as the sign board, so that the driver can obtain information such as the sign board.

Referring to fig. 3, during the light transmission process, some of the outgoing light from the light incident portion 11 is emitted to the lower surface of the light transmitting portion 12, and is reflected to the primary light emitting portion 13 from the lower surface of the light transmitting portion 12, and after the III-zone forming structure 14 is provided, the III-zone forming structure 14 reduces the area of the lower surface of the light transmitting portion 12 for reflecting the light, so that the direction of the part of the light is changed, and the part of the light cannot be emitted from the primary light emitting portion 13, and the light emitted from the secondary light emitting portion 22 is reduced, thereby affecting the illuminance and uniformity of the low beam shape below the low beam cutoff line. Therefore, it is further preferable that the primary optical element includes a plurality of the light incident portions 11, the light incident portions 11 are sequentially arranged in the left-right direction and connected to the rear end of the light incident portion 12, the rear end of the III-zone forming structure 14 is connected to the plurality of light incident portions 11 so that a part of the light rays converged by the plurality of light incident portions 11 can enter the III-zone forming structure 14, and both side surfaces of the III-zone forming structure 14 are gradually inclined from the rear to the front in a direction approaching the optical axis of the secondary light emergent portion 22. The III-zone forming structure 14 can receive the outgoing light of the multiple light-entering portions 11, so that the illuminance of the low-beam III-zone light pattern 61 meets the requirement, and the two side surfaces of the III-zone forming structure 14 are folded, on one hand, the outgoing light of the front end surface of the III-zone forming structure 14 can be further converged to meet the illuminance requirement of the low-beam III-zone light pattern 61, on the other hand, the area of the lower surface of the light-passing portion 12 occupied by the III-zone forming structure 14 can be reduced, the light quantity reflected by the lower surface of the light-passing portion 12 and finally emitted to the area below the low-beam cut-off line is ensured, and the illuminance and the uniformity of the low-beam light pattern below the low-beam cut-off line are ensured.

More preferably, referring to fig. 8, in order to reduce the area of the region III forming structures 14 occupying the lower surface of the light-passing portion 12, the front-rear extension length of the region III forming structures 14 may be reduced, the region III forming structures 14 extending to the middle area of the light-passing portion 12 even closer to the light-entering portion 11, and at the same time, in order to ensure the illuminance of the light shape 61 near the light region III, the front end surfaces of the region III forming structures 14 are provided as smooth curved surfaces with both sides bent forward so that the outgoing light rays thereof are more converged. By the extension of the zone III forming structure 14 and the arrangement of its front end face shape, both the illuminance and the uniformity of the low-beam light pattern below the low-beam cut-off and the illuminance of the low-beam zone III light pattern 61 are ensured.

The primary optical element is accommodated in the secondary optical element and fixedly connected with the secondary optical element, and the primary optical element and the secondary optical element can be connected by adopting a connection mode of bonding, welding or fastener connection. As a preferable configuration, referring to fig. 5, the primary mounting portion 15 is provided at the rear end of the primary optical element, the secondary mounting portion 23 is provided at the rear end of the secondary optical element, the primary mounting portion 15 and the secondary mounting portion 23 are provided with through holes, and fasteners such as screws or bolts are sequentially inserted through the through holes of the primary mounting portion 15 and the secondary mounting portion 23 to connect the secondary optical element and the primary optical element. More specifically, the primary mount portion 15 is provided on both sides of the light incident portion 11, which is a turned-over structure turned outward, and the secondary mount portions 23 are provided on both sides of the rear end of the support portion 21, which is similar in structure to the primary mount portion 15 and is further provided with positioning pins thereon. Alternatively, the primary mounting portion 15 and the secondary mounting portion 23 may be provided at other locations or designed in other shapes depending on the design requirements of the vehicle lamp.

Further preferably, when applied to a low-beam vehicle lamp module, the primary optical element is positioned such that the focal point of the secondary light exit portion 22 is located at or near the lower edge of the primary light exit portion 13, and the vehicle lamp optical assembly is positioned such that the optical axis 24 of the secondary light exit portion 22 extends in the front-rear direction of the vehicle, so that light is intercepted by the lower edge of the primary light exit portion 13 and directed toward the secondary light exit portion 22 to form an upper boundary of a clear low-beam broadening area light shape 62, i.e., a horizontal cut-off line 63 when the lower edge of the primary light exit portion 13 is a smooth curve, or a cut-off line with an inflection point when the lower edge of the primary light exit portion 13 is a curve with a step difference; when applied to a high beam vehicle lamp module, the primary optical element is positioned such that the focal point of the secondary light emergent portion 22 is located on or near the upper edge of the primary light emergent portion 13, and the vehicle lamp optical assembly is positioned such that the optical axis 24 of the secondary light emergent portion 23 extends in the front-rear direction of the vehicle, so that light is intercepted by the upper edge of the primary light emergent portion 13 and then emitted to the secondary light emergent portion 22 to form a clear lower boundary of the optical shape of a high beam broadening area, and the upper edge of the primary light emergent portion 13 can be a smooth curve or a curve with a step difference to form a horizontal cut-off line or a cut-off line with an inflection point, respectively; when the primary optical element is used for an angle lamp, the primary optical element is positioned to enable the focal point of the secondary light emergent part 22 to be positioned on or near the lower edge of the primary light emergent part 13, the optical axis 24 of the secondary light emergent part 22 extends towards the outer side in an inclined mode relative to the front-back direction of a vehicle, and light rays are shot to the secondary light emergent part 22 after being intercepted by the lower edge of the primary light emergent part 13 so as to form a clear upper boundary of an angle lamp illumination light shape. It is understood that the optical axis 24 is a straight line extending in the light exit direction passing through the focal point of the secondary light exit portion 22. The car light optical assembly is flexible in design, and can be suitable for various light shapes such as the lighting light shape of an angle lamp and the light shape of a wide-area of a far and near light lamp by setting different relative positions of the primary optical element and the secondary optical element and adjusting the mounting position of the car light module in the car light, so that the applicability is wide.

The utility model discloses car light optical assembly in preferred embodiment, including primary optical element and secondary optical element, primary optical element is integrated into one piece's solid photoconductor, and it includes light incident portion 11, light-passing portion 12 and the elementary light-emitting portion 13 that connect gradually, wherein, light incident portion 11 is the light concentration cup structure and the left and right sides of primary optical element is equipped with elementary installation department 15 respectively; a III-zone forming structure 14 is disposed under the light-passing portion 12, the front end surface of the III-zone forming structure is a smooth curved surface with two forward curved sides, the rear end of the III-zone forming structure is connected to the light-entering portions 11 so that part of the light rays converged by the light-entering portions 11 can enter the III-zone forming structure 14, and the two side surfaces of the III-zone forming structure are gradually inclined from back to front toward the direction close to the optical axis of the secondary light-exiting portion 22; the primary light-emitting part 13 is a smooth curved surface with two sides bent forwards; the secondary optical element comprises a supporting portion 21 and a secondary light-emitting portion 22 which are integrally formed, the surface of the supporting portion 21 is coated with black paint, secondary mounting portions 23 are arranged on two sides of the rear end of the supporting portion 21, and the light-emitting surface 222 and the light-incident surface 221 of the secondary light-emitting portion 22 are both forward-convex curved surfaces to form the annular secondary light-emitting portion 22. When the primary optical element is installed, the primary optical element is accommodated in a cavity of the secondary optical element, the primary optical element is obliquely arranged relative to an optical axis 24 of the secondary light emergent portion 22, the focal point of the secondary light emergent portion 22 is arranged on the lower edge of the primary light emergent portion 13 or the upper edge of the primary light emergent portion 13, and finally, screws are inserted through holes of the primary installation portion 15 and the secondary installation portion 23, namely, the screws are installed in place. The following describes the operation of the optical assembly of the vehicle lamp, taking the optical assembly of the vehicle lamp applied to the low beam vehicle lamp module as an example: referring to fig. 18, when the low beam vehicle lamp module is used, the focal point of the secondary light-emitting portion 22 is disposed on the lower edge of the primary light-emitting portion 13, the light source 3 is disposed behind the light-entering portion 11, the light emitted by the light source 3 is converged by the light-entering portion 11, a part of the light passes through the light-passing portion 12 and is intercepted by the lower edge of the light-passing portion 12, and is emitted to the secondary light-emitting portion 22 by the primary light-emitting portion 13, and finally, a low beam broadening area light pattern 62 with a horizontal cut-off line 63 is formed, another part of the light converged by the light-entering portion 11 passes through the III-area forming structure 14, and is emitted to the secondary light-emitting portion 22 from the front end surface of the III-area forming structure 14, and the secondary light-emitting portion 22 projects to.

The utility model discloses a car light module, including radiator 5, circuit board 4, set up light source 3 on circuit board 4 and the car light optical assembly among the first aspect technical scheme, light source 3 sets up in the rear of income light portion 11, and radiator 5, circuit board 4 and car light optical assembly can connect gradually through the fastener. The vehicle lamp module comprises the vehicle lamp optical component in the technical scheme of the first aspect, so that the vehicle lamp module at least has all the beneficial effects brought by the technical scheme of the vehicle lamp optical component, and is not repeated herein.

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

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

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

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

Claims (14)

1. An optical assembly for a vehicle lamp is characterized by comprising a primary optical element and a secondary optical element, wherein the primary optical element comprises a light inlet portion (11), a light passing portion (12) and a primary light outlet portion (13) which are sequentially connected, the secondary optical element comprises a secondary light outlet portion (22) and a supporting portion (21) for supporting the secondary light outlet portion (22), the supporting portion (21) and the secondary light outlet portion (22) form a cavity for accommodating the primary optical element, the cross section of the secondary light outlet portion (22) is in a circular ring shape, and light rays converged by the light inlet portion (11) sequentially pass through the light passing portion (12) and the primary light outlet portion (13) and are projected by the secondary light outlet portion (22) to form an illumination light shape.

2. Automotive light optical assembly according to claim 1, characterized in that the primary optical element is arranged obliquely with respect to the optical axis (24) of the secondary light exit portion (22).

3. Automotive light optical assembly according to claim 1, characterized in that the light entry portion (11) of the primary optical element is of a light-concentrating cup structure; or the light inlet part (11) is a curved surface structure or a cone structure which protrudes backwards.

4. Vehicle lamp optical assembly according to claim 1, characterized in that the primary light exit portion (13) is a smooth curved surface curved forward on both sides.

5. Vehicle lamp optical assembly according to claim 1, characterized in that the surface of the support portion (21) is provided with a light-blocking coating or the support portion (21) is an opaque piece.

6. The vehicle lamp optical assembly according to claim 1, wherein a zone III forming structure (14) is disposed on a lower side of the light-passing portion (12), the zone III forming structure (14) extends from the light-entering portion (11) to the primary light-exiting portion (13), and a portion of the light rays converged by the light-entering portion (11) can enter the zone III forming structure (14) and be emitted from a front end surface of the zone III forming structure (14) to the secondary light-exiting portion (22) and be projected through the secondary light-exiting portion (22) to form a zone III near light shape (61).

7. The vehicular lamp optical assembly according to claim 6, wherein the front end surface of the zone III forming structure (14) is a smooth curved surface curved forward on both sides.

8. The vehicle lamp optical assembly according to claim 6 or 7, wherein the primary optical element includes a plurality of the light incident portions (11), a rear end of the zone III forming structure (14) is connected to the plurality of light incident portions (11) so that a portion of the light rays converged by the plurality of light incident portions (11) can be incident on the zone III forming structure (14), and both side surfaces of the zone III forming structure (14) are gradually inclined from rear to front in a direction approaching an optical axis of the secondary light emergent portion (22).

9. The vehicle lamp optical assembly according to any one of claims 1 to 7, wherein a rear end of the primary optical element is provided with a primary mounting portion (15), a rear end of the secondary optical element is provided with a secondary mounting portion (23), and the primary mounting portion (15) and the secondary mounting portion (23) are each provided with a through hole for connecting the secondary optical element with the primary optical element by a fastener.

10. Automotive light optical assembly according to any one of claims 1 to 7, characterised in that the focal point of the secondary light exit portion (22) is arranged on the lower or upper edge of the primary light exit portion (13).

11. The vehicular lamp optical assembly according to any one of claims 1 to 7, wherein the secondary optical element is an integrally molded piece.

12. A vehicle lamp module comprising a heat sink (5), a circuit board (4), a light source (3) disposed on the circuit board (4), and the vehicle lamp optical assembly according to any one of claims 1 to 11, wherein the light source (3) is disposed behind the light incident portion (11).

13. The vehicle lamp module according to claim 12, wherein the heat sink (5), the circuit board (4) and the vehicle lamp optical assembly are connected in sequence by a fastener.

14. A vehicle characterized by comprising a lamp module according to claim 12 or 13.

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