CN214536006U

CN214536006U - Car light optical element, car light lighting device, car light and vehicle

Info

Publication number: CN214536006U
Application number: CN202120344461.6U
Authority: CN
Inventors: 李聪; 仇智平; 刘方; 张大攀; 祝贺; 桑文慧
Original assignee: HASCO Vision Technology Co Ltd
Current assignee: HASCO Vision Technology Co Ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-10-29
Anticipated expiration: 2031-02-05
Also published as: WO2022166139A1

Abstract

The utility model relates to a car light structure discloses a car light optical element, car light lighting device, car light and vehicle, and this car light optical element includes optics main part and is used for the installation the mount pad of optics main part, the optics main part with the mount pad is integrated into one piece, the optics main part is high temperature resistant printing opacity material formed part, the mount pad is the plastics formed part. The utility model discloses car light optical element has better heat resistance, and the installation is firm reliable, guarantees optical property.

Description

Car light optical element, car light lighting device, car light and vehicle

Technical Field

The utility model relates to a car light structure specifically relates to a car light optical element. In addition, still relate to a car light lighting device, car light and vehicle.

Background

In the field of vehicle lamp technology, a vehicle lamp lighting device is generally used for lighting a vehicle headlamp and includes a light source, a vehicle lamp optical element, and other components. The optical element of the vehicle lamp can distribute light emitted from the light source (such as focusing, collimating, etc.), and therefore, the optical element of the vehicle lamp has a significant effect on the lighting effect of the vehicle lamp.

The existing optical element of the car light is generally made of Polycarbonate (PC) material or polymethyl methacrylate (PMMA) material, although the installation reliability can be ensured, the heat resistance is relatively poor, and the optical element of the car light is easily heated and deformed after long-time use because the light inlet end of the optical element of the car light is close to a light source, even the optical element of the car light is burnt out, thereby affecting the optical performance of the optical element of the car light.

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

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a car light optical element is provided, this car light optical element has better heat resistance, and the installation is firm reliable, guarantees optical property.

The utility model discloses further technical problem that will solve provides a car light lighting device, and this car light lighting device has better optical property.

The utility model discloses further technical problem that will solve provides a car light, and this car light has better optical property.

Furthermore, the utility model aims to solve the technical problem that a vehicle is provided, this vehicle has better optical property.

In order to solve the technical problem, the utility model provides a car light optical element, include the optics main part and be used for the installation the mount pad of optics main part, the optics main part with the mount pad is integrated into one piece, the optics main part is high temperature resistant printing opacity material formed part, the mount pad is the plastics formed part.

Preferably, the mounting seat is a first mounting structure, and the first mounting structure is embedded with the optical body through an embedding structure.

Further, the fitting structure includes a fitting hole provided on one of the first mounting structure and the optical body and a fitting portion provided on the other.

Specifically, the optical body includes a plurality of light condensing units linearly arranged.

Preferably, the mounting base is a second mounting structure, the left side surface, the right side surface and the upper surface of the optical main body are connected with the accommodating hole of the second mounting structure into a whole, and a through hole is formed between the lower surface of the optical main body and the second mounting structure.

Further, the optical body comprises a light guide part and a fused light-emitting part connected with the light guide part, wherein the thickness of the fused light-emitting part along the vertical direction is larger than that of the light guide part along the vertical direction.

Specifically, the light guide part includes a plurality of light guide columns arranged linearly, and a light exit end of each light guide column is connected to a light entrance end of the fused light exit part.

Further specifically, each leaded light post includes two side leaded light posts and at least one middle leaded light post, each middle leaded light post is arranged two along the left and right direction between the side leaded light post, the lateral surface of side leaded light post sets up to extend outward and extend to from the back to the front fuse out light portion.

Further preferably, the optical body is made of silicone, and the mount is made of PC or PMMA.

The utility model also discloses a car light lighting device, including any one of the above-mentioned technical scheme car light optical element.

The utility model also discloses a car light, including any one of the above-mentioned technical scheme car light lighting device.

Furthermore, the utility model also discloses a vehicle, including above-mentioned technical scheme the car light.

Through the technical scheme, the beneficial effects of the utility model are as follows:

the optical body and the mounting seat of the optical element of the vehicle lamp in the prior art are made of a single material, for example, when the material for preparing the optical element is silica gel, the structural rigidity of the silica gel material is relatively weak, the mounting precision is easily influenced, and the reliability is low; when the preparation material is plastic, although the installation reliability can be improved, the high temperature resistance of the plastic is relatively poor, and because the light inlet end of the optical main body is close to the light source, after a certain period of use, the heat generated by the light source is easy to cause the deformation and even burning of the optical main body, thereby affecting the optical performance. Compared with the car lamp optical element in the prior art, the utility model discloses adopt different materials preparation respectively to optics main part and mount pad, specifically speaking, optics main part adopts high temperature resistant printing opacity material preparation, and the mount pad adopts plastics preparation, and this kind of structure can reduce the influence of high temperature to optics main part when guaranteeing the installation reliability, guarantees holistic optical property; in addition, a new material with high weather resistance and high temperature resistance does not need to be found, and the existing material is utilized, so that the cost is effectively saved.

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 one of schematic three-dimensional structures of an optical element for a vehicle lamp according to a first embodiment of the present invention;

fig. 2 is a second schematic perspective view of the optical element of the vehicle lamp according to the first embodiment of the present invention;

fig. 3 is one of the schematic structural diagrams of the optical element of the vehicle lamp according to the first embodiment of the present invention;

fig. 4 is an exploded view of the optical element of the vehicle lamp according to the first embodiment of the present invention, which assumes that the optical body and the mounting seat are separated, and in fact, they are integrally formed and cannot be separated without damage;

FIG. 5 is a schematic structural view of a first mounting structure according to a first embodiment of the present invention;

FIG. 6 is a schematic structural diagram of an optical body according to a first embodiment of the present invention;

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

FIG. 8 is a cross-sectional view taken along line A-A of FIG. 7;

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

FIG. 10 is a cross-sectional view taken along line B-B of FIG. 9;

fig. 11 is a cross-sectional view of a vehicular lamp lighting device according to an embodiment of the present invention;

fig. 12 is one of schematic three-dimensional structures of an optical element for a vehicle lamp according to a second embodiment of the present invention;

fig. 13 is a second schematic perspective view of an optical element for a vehicle lamp according to a second embodiment of the present invention;

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

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

fig. 16 is a second schematic structural diagram of an optical element of a vehicle lamp according to a second embodiment of the present invention;

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

fig. 18 is a schematic perspective view of an optical body mount according to a third embodiment of the present invention;

FIG. 19 is an exploded view of a third embodiment of the optical element and optical body mount of the present invention;

FIG. 20 is a schematic view of an assembly structure of an optical element and an optical body bracket of a vehicle lamp according to a third embodiment of the present invention;

fig. 21 is a sectional view taken along the direction E-E in fig. 20.

Description of the reference numerals

1 first mounting structure 21 fitting hole

22 fitting part 3 light-collecting unit

4 second mounting structure 41 through hole

42 neck 5 light guide part

51 side light guide pillar 52 middle light guide pillar

6 fusion light-emitting part 71 light source

72 circuit board 73 radiator

81 lens support 82 lens

9 optical body support 91 light guide pole limiting hole

92 support plate 93 sunlight-proof focusing plate

94 clamping block

Detailed Description

In the present invention, in the case where no explanation is made to the contrary, the positional or positional relationship indicated by terms such as "front, rear, upper, lower, left, and right" is based on the positional or positional relationship after the optical element for a vehicle lamp is normally mounted on the vehicle of the present invention. For example, the direction indicated by the term "front" is the normal direction of travel of the vehicle; the terms are based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention; for the orientation terms of the optical element of the vehicle lamp of the present invention, it should be understood in conjunction with the actual installation state.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed" or "connected" are to be construed broadly, and for example, the term "connected" may be a fixed connection, a detachable connection, or an integral connection; 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.

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.

Referring to fig. 1 to 19, the optical element for a vehicle lamp according to the basic technical solution of the present invention includes an optical main body and a mounting seat for mounting the optical main body, the optical main body and the mounting seat are integrally formed parts, the optical main body is a high temperature resistant light-transmitting material formed part, and the mounting seat is a plastic formed part.

The utility model discloses an optics main part adopts high temperature resistant printing opacity material preparation, and high temperature resistant printing opacity material makes optics main part can have better high temperature resistance, reduces the influence of light source to optics main part, prevents that the high temperature from leading to optics main part to warp the condition even burn out, simultaneously, the mount pad adopts plastics preparation, and the structural rigidity of plastics is relatively better, and optics main part is installed on the mount pad, is connected with other structures in the car light through the mount pad, effectively guarantees optics main part's installation accuracy; for the car light optical element of current single material preparation, the utility model discloses a car light optical element both has better installation reliability, has better high temperature resistance ability again, effectively guarantees optical property. When the optical body and the mounting seat are molded by injection, the mounting seat is molded by injection firstly, and then the mounting seat is used as an insert when the optical body is molded by injection, and the optical body and the mounting seat are molded into a whole.

The high-temperature-resistant light-transmitting material can be silica gel, glass and other materials, and the plastic can be a Polycarbonate (PC) material or a polymethyl methacrylate (PMMA) material and other materials. Compared with plastics such as PC or PMMA, the silica gel material has better optical performance and heat resistance, and compared with plastics such as PC or PMMA, the silica gel material has better structural rigidity.

The utility model discloses a car light optical element's concrete structural style, it is various.

Fig. 1 to 8 show a specific structure of an optical element for a vehicle lamp, in which the mounting base is a first mounting structure 1, the optical body may be formed by linearly arranging a plurality of light condensing units 3, and referring to fig. 2, for example, the light condensing units 3 are sequentially arranged along the left-right direction, the light incident surfaces of the light condensing units 3 are connected into a whole, and the light emitting surface of each light condensing unit 3 is a curved surface protruding forward, so that each light condensing unit 3 forms a convex lens. The shape of the curved surface can be freely set according to the shape of the required pixel light shape, specifically can be set to be a spherical surface, and can also be set to be an ellipsoid or a free curved surface. Referring to fig. 9, the left and right widths of the light emitting surfaces of the light condensing units 3 are gradually increased from one side to the other, that is, the intervals between the light sources 71 are gradually increased from one side to the other side. Thus, after being projected by the lens 82, the width of the pixel light pattern closer to the front of the vehicle is small, and the width of the pixel light pattern farther from the front of the vehicle is large. At this time, the portion of the illumination light shape formed near the front of the vehicle has a relatively high pixel resolution, and the portion of the illumination light shape far from the front of the vehicle has a relatively low pixel resolution. When the ADB function is implemented, when a certain high beam light source 71 is turned off, the illumination dark area formed right in front of the vehicle is small, and the illumination dark area formed on the side of the vehicle is large, so that the influence of the illumination dark area on the driving safety can be reduced.

Accordingly, the optical body formed by each light-gathering unit 3 may be disposed in the middle of the first mounting structure 1, and the first mounting structure 1 is fitted with the optical body by a fitting structure; specifically, referring to fig. 4 to 6, the fitting structure includes a fitting portion 22 and a fitting hole 21, referring to fig. 5, a mounting hole is formed in the middle of the first mounting structure 1, at least one fitting hole 21 is formed in the periphery of the mounting hole, and correspondingly, referring to fig. 6, at least one fitting portion 22 is formed in the periphery of the optical body, so that the first mounting structure 1 and the optical body can be fitted together; it is understood that the position where the fitting hole 21 is provided on the mounting hole and the position where the fitting portion 22 is provided on the optical body may also be changed, and mainly the fitting of the first mounting structure 1 to the optical body may be achieved; the mounting positions of the fitting portion 22 and the fitting hole 21 may be switched, that is, the fitting hole 21 may be provided in the optical body and the fitting portion 22 may be provided in the first mounting structure 1. By the fitting structure, the contact area between the first mounting structure 1 and the optical body can be increased to improve the bonding strength therebetween.

The optical body may also be provided at other positions on the first mounting structure 1, such as upper, lower, etc., as desired.

Fig. 10 to 15 show another specific structure form of the optical element of the vehicle lamp, wherein the mounting seat is a second mounting structure 4, a receiving hole is formed on the second mounting structure 4, referring to fig. 11, 13 and 15, the left side surface, the right side surface and the upper surface of the optical body are all connected with the receiving hole of the second mounting structure 4 into a whole, a gap is left between the lower surface of the optical body and the second mounting structure 4 to form a through hole 41, and other parts can be inserted into the through hole 41, thereby further enhancing the support for the optical body. The two sides of the second mounting structure 4 are provided with mounting plates, which can be provided with mounting holes, through which the optical element of the vehicle lamp can be mounted on other parts, such as a heat sink.

The optical body comprises a light guide part 5 and a fusion light-emitting part 6, wherein the light-emitting end of the light guide part 5 is connected with the light-entering end of the fusion light-emitting part 6, and the thickness of the fusion light-emitting part 6 along the vertical direction is larger than that of the light guide part 5 along the vertical direction. The light emitted by the light source enters the fused light-emitting portion 6 through the light guide portion 5, and the fused light-emitting portion 6 can fuse the light transmitted to the fused light-emitting portion 6 and emit the fused light. The thickness of the fused light-emitting part 6 is increased, so that the light emitted from the light-emitting surface is diffused, and the light shape under the upper boundary of the light shape is softened. The fusion function of the fusion light emergent part 6 means that the light transmitted to the fusion light emergent part 6 is transmitted to the light emergent surface after being fused.

Specifically, referring to fig. 13 and 15, the light guide part 5 includes a plurality of light guide columns linearly arranged, and the light exit end of each light guide column is connected to the light entrance end of the fusion light exit part 6.

Further, each light guide column includes two side light guide columns 51 and at least one middle light guide column 52, at least one middle light guide column 52 is arranged between two side light guide columns 51 in order along the left-right direction, the outer side surface of the side light guide column 51 is arranged to extend outward from the rear to the front and extend to the fused light-out portion 6, for example, referring to fig. 15, the outer side surface of the side light guide column 51 is arranged to extend forward from the rear end of the side light guide column 51 along a straight line and then extend to the rear side of the fused light-out portion 6 along a curve bending outward. The outer side surface of the side light guide pillar 51 specifically refers to the side surface of the side light guide pillar 51 away from the middle light guide pillar 52, for example, the outer side surface of the side light guide pillar 51 located on the left side is the left side surface of the side light guide pillar 51. Each light guide post sets up to arrange in proper order along left and right sides for the optical main body can satisfy the figurative miniaturization of car light and the structural design requirement of flattening, and side light guide post 51's lateral surface sets up to extend along the straight line earlier, extend to the rear side that fuses light-emitting portion 52 along the curve outside lateral bending again for the outside profile of side light guide post 51 is crooked gradually to both sides, can increase the illumination zone of light shape both sides, improves the light shape effect.

The structure of the second mounting structure 4 can be changed to another specific structure of the optical element of the vehicle lamp shown in fig. 17 on the basis of the specific structure of the optical element of the vehicle lamp shown in fig. 10, and the main difference between the two structures is that in the embodiment of fig. 17, the mounting plates on both sides of the second mounting structure 4 are removed, and the side walls of the second mounting structure 4 are provided with the clamping grooves 42, which can be clamped together with the optical body bracket 9, so as to form a vehicle lamp optical element assembly. Wherein, referring to fig. 16, be formed with the optics main part on the optics main part support 9 and hold the chamber, the optics main part holds and is provided with a plurality of cross-section girths on the chamber rear end by the positive frustum of a prism shape through-hole that progressively enlarges forward after, and the rear end opening of every positive frustum of a prism shape through-hole sets up to carrying out spacing hole 91 of leaded light post to the leaded light post, works as the utility model discloses a car light optical element pegs graft when the optics main part holds the intracavity, and the leaded light post can insert in the spacing hole 91 of leaded light post that corresponds separately. The light guide column limiting hole 91 can limit the corresponding light guide column, and the position precision of a light guide opening at the rear end of the light guide column relative to the light source is ensured. Preferably, the number of the truncated-pyramid-shaped through holes is greater than or equal to the number of the light guide columns.

Referring to fig. 18 and 19, in order to facilitate the mounting connection of the optical body to the optical body holder 9, a support plate 92 is disposed in the optical body accommodating cavity, the support plate 92 can be inserted into the through hole 41 formed between the lower surface of the optical body and the second mounting structure 4, so as to support the fusion light-out portion 6 on the support plate 92, when the optical body is inserted into the optical body accommodating cavity from the front side of the optical body holder 9, correspondingly, the support plate 92 is inserted into the through hole 41 formed between the lower surface of the optical body and the second mounting structure 4, and the fusion light-out portion 6 is supported on the support plate 92, so that the mounting connection of the optical body to the optical body holder 9 is more stable, thereby improving the optical efficiency of the optical body.

It should be noted that, in the embodiment of the optical element for a vehicle lamp shown in fig. 18, the optical body holder 9 is provided with a locking block 94 capable of being matched with the locking groove 42, so that the optical body holder 9 and the second mounting structure 4 can be locked together; of course, the second mounting structure 4 may not be provided with the locking groove 42, and the structure form with the mounting plate shown in fig. 10 is formed, and the second mounting structure 4 is fastened and connected with the optical body bracket 9 by screws.

Generally, sunlight irradiates to a lens, can be focused in the car lamp, can form high temperature, and most of parts in the car lamp are made of plastic materials, so that the melting phenomenon can occur at high temperature, the car lamp can be damaged, and certain potential safety hazards also exist. Therefore, referring to fig. 20 and 21, the anti-sunlight focusing plate 93 is disposed in the area which is easy to focus in the vehicle lamp, so that the heat conducted to the easily melted parts can be reduced, the damage risk of the vehicle lamp can be reduced, and the safety can be improved; specifically, the optical body mount 9 is provided with a solar light focusing prevention plate 93. The sunlight-proof focusing plate 93 is preferably made of a metal material, for example, an ADC material, and is light and economical and has good heat conductivity.

It is right that the utility model discloses a car light optical element has explained through concrete embodiment above, can understand, the utility model discloses a car light optical element's optics main part and mount pad are not limited to above-mentioned embodiment concrete structural style, also can be for other structural style, as long as satisfy the condition that optics main part is made by high temperature resistant printing opacity material and the mount pad is made by plastics, make the utility model discloses a car light optical element can reach the purpose that has better high temperature resistance and better installation reliability. For example, the optical body is made of silicone or glass, and the mount is made of PC or PMMA.

The lamp optical element of the present invention can be applied to a lamp lighting device, for example, referring to fig. 11, the light source 71 is disposed on the circuit board 72, the circuit board 72 is connected to the heat sink 73, the first mounting structure 1 is connected to the lens 82 through the lens support 81, and the light emitted from the light source 71 passes through the condensing unit 3 and is emitted to the lens 82. The optical main body (especially the light incident surface) is arranged close to the LED, so that the LED is heated more, the optical main body is made of a silica gel material and has better heat resistance, and meanwhile, the first mounting structure 1 is made of PC or PMMA, so that the structural rigidity is better, and the optical performance of the car lamp can be effectively ensured.

The utility model also provides a car light, install above-mentioned technical scheme in the car light lighting device. Because install in the car light lighting device the utility model discloses a car light optical element, consequently also have with car light optical element the same beneficial effect.

The utility model also provides a vehicle, install above-mentioned technical scheme in the vehicle the car light. Because install in the car light the utility model discloses a car light optical element, consequently also have with car light optical element the same beneficial effect.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical feature. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. The utility model provides a car light optical element, its characterized in that, includes optical body and is used for the installation optical body's mount pad, optical body with the mount pad is integrated into one piece, optical body is high temperature resistant printing opacity material formed part, the mount pad is the plastics formed part.

2. The optical element according to claim 1, characterized in that the mounting seat is a first mounting structure (1), the first mounting structure (1) being fitted to the optical body by means of a fitting structure.

3. The optical element according to claim 2, wherein the fitting structure includes a fitting hole (21) provided on one of the first mounting structure (1) and the optical body and a fitting portion (22) provided on the other.

4. Optical element for a vehicle lamp according to claim 2, characterized in that said optical body comprises a plurality of light-gathering units (3) arranged linearly.

5. The optical element according to claim 1, characterized in that the mounting seat is a second mounting structure (4), the left and right lateral surfaces and the upper surface of the optical body are integrally connected with the receiving hole of the second mounting structure (4), and a through hole (41) is formed between the lower surface and the second mounting structure (4).

6. The vehicular lamp optical element according to claim 5, wherein the optical body comprises a light guide portion (5) and a fusion light-out portion (6) connected to the light guide portion (5), and a thickness of the fusion light-out portion (6) in the up-down direction is larger than a thickness of the light guide portion (5) in the up-down direction.

7. The optical element for a vehicular lamp according to claim 6, wherein the light guide portion (5) comprises a plurality of light guide posts arranged linearly, and a light exit end of each light guide post is connected to a light entrance end of the fused light exit portion (6).

8. The vehicular lamp optical element according to claim 7, wherein each of the light guide posts comprises two side light guide posts (51) and at least one middle light guide post (52), each of the middle light guide posts (52) is arranged between the two side light guide posts (51) in the left-right direction, and an outer side surface of the side light guide post (51) is provided to extend outward from the rear direction to the front direction and to extend to the fusion light-out portion (6).

9. Optical element for a vehicle lamp according to any one of claims 1 to 8, characterized in that the optical body is made of silicone and the mount is made of PC or PMMA.

10. A vehicular lamp lighting device characterized by comprising the vehicular lamp optical element according to any one of claims 1 to 9.

11. A vehicular lamp characterized by comprising the vehicular lamp illumination device according to claim 10.

12. A vehicle characterized by comprising the lamp according to claim 11.