CN213810449U - Car light optical element, car light module, car light and vehicle - Google Patents
Car light optical element, car light module, car light and vehicle Download PDFInfo
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- CN213810449U CN213810449U CN202022654737.9U CN202022654737U CN213810449U CN 213810449 U CN213810449 U CN 213810449U CN 202022654737 U CN202022654737 U CN 202022654737U CN 213810449 U CN213810449 U CN 213810449U
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Abstract
The utility model relates to a vehicle lighting device discloses a car light optical element, light concentration portion (1) and logical light portion (2) including integrated into one piece, light concentration portion (1) and logical light portion (2) are the shaping part of different materials and the heat altered shape temperature of light concentration portion (1) is greater than the heat altered shape temperature of logical light portion (2), be formed with interface (4) between light concentration portion (1) and logical light portion (2), light concentration portion (1) can assemble light and make light pass throw away behind logical light portion (2). Furthermore, the utility model also discloses a car light module, car light and vehicle. The utility model discloses a car light optical element can compromise cost and high temperature resistance.
Description
Technical Field
The utility model relates to a vehicle lighting device specifically relates to a car light optical element. Furthermore, the utility model discloses still relate to one kind and include car light optical element's car light module, car light and vehicle.
Background
In order to ensure the illumination intensity, LEDs with different numbers can be installed in the car lamp, after the car lamp is used for a long time, the heat productivity is quite large, if the heat dissipation measures are poor, the performance of the car lamp can be seriously influenced, even the car lamp is damaged, and great hidden dangers are brought to traffic safety.
Referring to fig. 1 and 2, in an optical element of a vehicle lamp in the prior art, a light-gathering cup 1a and a light source 2a are arranged close to each other, and a large amount of heat is generated after the light source 2a is turned on, so that the light-gathering cup 1a is deformed or melted by heat, and the light shape emitted by the vehicle lamp is affected.
To avoid the above problems, those skilled in the art mainly adopt the following solutions:
(1) the distance between the light-gathering cup 1a and the light source 2a is set to be a large value, generally at least 0.5mm, and some of the distances even reach 1-2 mm, so that the light source 2a is far away from the light-gathering cup 1a as far as possible, but the optical efficiency of the car lamp is lost due to the large distance between the light-gathering cup 1a and the light source 2 a;
(2) referring to fig. 3, one end of the light collection cup 1a close to the light source 2a is partially cut, and the cut portion 3a is removed, so that the light collection cup 1a and the light source 2a keep a certain distance, but the cut light collection cup 1a also reduces the utilization rate of the optical element of the vehicle lamp to light, so that the optical efficiency of the vehicle lamp is damaged.
In view of the above, a new optical element for a vehicle lamp is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that the first aspect will be solved provides a car light optical element, and this car light optical element can compromise cost and high temperature resistance ability.
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 compromise the high temperature resistance ability of cost and module.
The utility model discloses the technical problem that the third aspect will be solved provides a car light, and this car light can compromise the high temperature resistance performance of cost and car light.
The utility model discloses the technical problem that the fourth aspect will be solved provides a vehicle, and the car light of this vehicle can compromise the high temperature resistance ability of cost and car light.
In order to solve the technical problem, the utility model provides an aspect provides a car light optical element, including integrated into one piece's spotlight portion and logical light portion, spotlight portion and logical light portion are the shaping part of different materials and the heat altered shape temperature of spotlight portion is greater than the heat altered shape temperature of logical light portion, be formed with the interface between spotlight portion and the logical light portion, spotlight portion can assemble light and make light pass throw away behind the logical light portion.
Optionally, the interface is a flat surface or a curved surface.
Specifically, the light-gathering part is a silica gel molding part, and the light-passing part is a plastic molding part.
Alternatively, the light-passing portion may be a straight-row solid optical conductor extending in the front-rear direction, or the light-passing portion may be a bent solid optical conductor, and a reflection surface may be formed at a bent portion of the light-passing portion.
As a specific structural form, the light-condensing part is of a light-condensing cup structure.
Typically, the light condensing portion and the light passing portion are insert-molded integral parts or two-color injection-molded integral parts.
As a specific configuration, a plurality of the light-condensing portions are formed at the rear end of the light-passing portion, a plurality of the interfaces are connected with each other and form a smooth curved surface or plane, or a plurality of the interfaces are arranged in a staggered manner with a step.
Preferably, a lens portion is formed at a front end of the light-passing portion.
Further preferably, the plurality of light condensing portions are formed integrally.
The utility model discloses the second aspect still provides a car light module, including any one in light source and the first aspect technical scheme car light optical element, the light source with spotlight portion one-to-one sets up.
The utility model discloses the third aspect still provides a car light, including in the technical scheme of the second aspect car light module.
The utility model discloses the fourth aspect still provides a vehicle, including the car light in the third aspect technical scheme.
The utility model discloses an among the basic technical scheme, set up this car light optical element into the spotlight portion and the portion that leads to light of making by two kinds of different materials to the heat distortion temperature of spotlight portion is greater than the heat distortion temperature of portion that leads to light. Because the light-gathering part is closer to the light source, the light-gathering part is easy to be thermally deformed and the light-passing part is basically not deformed, therefore, the utility model discloses creatively cut apart the car light optical element into two parts, the light-gathering part is made of the material with higher cost and higher thermal deformation temperature, the light-passing part is made of the material with lower cost and relatively lower thermal deformation temperature, the cost and the high temperature resistance of the car light optical element are taken into account, so that the light-gathering part is not easy to be thermally deformed, thereby ensuring the stability of the emergent light shape; furthermore, the utility model discloses an among the preferred technical scheme, form the interface between spotlight portion and the logical light portion, the interface both sides are different materials, and both refracting indexes are different for the interface has the effect of secondary grading, and light deflects from spotlight portion and incides logical light portion, can change the light irradiation direction on the interface, realizes allotting light shape angle and improves the effect of light shape homogeneity, thereby makes the utility model provides a car light optical element can realize the secondary grading, improves the grading degree of freedom.
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 diagram of a prior art optical element for a vehicle lamp;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic diagram of a light-gathering cup of another prior art optical element for a vehicle lamp;
fig. 4 is a schematic structural diagram of a first embodiment of the optical element of the vehicle lamp according to the present invention;
FIG. 5 is a sectional view taken along line B-B of FIG. 4;
fig. 6 is a schematic structural diagram of a second embodiment of the optical element of the vehicle lamp according to the present invention;
FIG. 7 is a cross-sectional view of FIG. 6;
fig. 8 is a schematic structural view of a third embodiment of the optical element for a vehicle lamp according to the present invention;
FIG. 9 is a cross-sectional view of FIG. 8;
fig. 10 is a schematic structural view of a fourth embodiment of the optical element for a vehicle lamp according to the present invention;
fig. 11 is a second schematic structural view of a fourth embodiment of the optical element for a vehicle lamp according to the present invention, in which the light condensing portion and the light transmitting portion are assumed to be separated, and in fact, they are integrally formed and cannot be separated without damage;
fig. 12 is a third schematic structural view of a fourth embodiment of the optical element of the vehicle lamp according to the present invention;
fig. 13 is a schematic structural view of an embodiment of a light-condensing portion of the optical element for a vehicle lamp according to the present invention;
fig. 14 is a schematic structural view of a fifth embodiment of the optical element of the vehicle lamp according to the present invention;
fig. 15 is a schematic structural diagram of a sixth embodiment of the optical element for a vehicle lamp according to the present invention.
Description of the reference numerals
1 light-gathering part and 2 light-passing part
22 reflecting surface 3 lens part
4 interface surface
Detailed Description
The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, and it should be understood that the embodiments described herein are merely for purposes of illustration and explanation, and the scope of the present invention is not limited to the following embodiments.
It is to be understood that, as shown in fig. 4, based on the optical element for a vehicle lamp, when it is normally installed in the vehicle lamp, in the light emitting direction, "front" means the end of the light-passing part 2, and "rear" means the end of the light-condensing part 1, that is, the light passing portion 2 is located on the front side of the light converging portion 1, the light converging portion 1 is located on the rear side of the light passing portion 2, "up" means above in the light outgoing direction, "down" means below in the light outgoing direction, in the actual installation situation, the terms of orientation, which are based on the orientation or positional relationship shown in the drawings, should be interpreted in accordance with the actual installation state in conjunction with the host vehicle lamp optical element itself, merely for convenience of description of the present invention and for simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It should be noted that, for the requirements of vehicle lamp modeling, at least one inner lens may be disposed between the vehicle lamp optical element and the outer lens, and the inner lens may be a common plastic piece with equal wall thickness, only for representing the required modeling, or a light distribution plastic piece with a light distribution function on the back.
Referring to fig. 4 and 5, the utility model discloses a basic embodiment's car light optical element, including integrated into one piece's spotlight portion 1 and logical light portion 2, spotlight portion 1 and logical light portion 2 are the shaping part of different materials and the heat distortion temperature of spotlight portion 1 is greater than the heat distortion temperature of logical light portion 2, be formed with interface 4 between spotlight portion 1 and the logical light portion 2, spotlight portion 1 can assemble light and make light throw away after passing logical light portion 2. The optical element of the car lamp can be used in a car headlamp module and also can be used in a car signal indicator lamp module.
In prior art, because spotlight portion 1 is close to the light source more, therefore spotlight portion 1 is changeed thermal deformation, and it can not warp basically far away to lead to light portion 2, in the basic technical scheme of the utility model, divide into spotlight portion 1 and the portion of leading to light 2 by the material manufacturing of two kinds of differences with this car light optical element, and make the thermal deformation temperature of spotlight portion 1 be greater than the thermal deformation temperature of portion of leading to light 2, thus, spotlight portion 1 is difficult for thermal deformation and ensured the stability of emergent light shape, and need not to avoid spotlight portion 1 thermal deformation or melt and with the distance design between spotlight portion 1 and the light source too big, also need not to cut spotlight portion 1 or only need carry out the cutting of small part, make spotlight portion 1 can fully collect the light that the light source sent, the utilization ratio of car light optical element to light has been promoted. The light gathering part 1 is made of a material with high cost and high thermal deformation temperature, the light passing part 2 is made of a material with low cost and low thermal deformation temperature, and the cost and the high-temperature resistance of the vehicle lamp optical element are both considered.
The optical element of the car lamp can be integrally formed by insert injection, the light-gathering part 1 is firstly produced, and the light-gathering part 1 is integrally formed with the light-transmitting part 2 as an insert; or directly adopts double-shot injection molding and integral molding. The position that spotlight portion 1 and clear portion 2 laminated each other forms interface 4, and 4 both sides of interface are different materials, and both refracting indexes are different for interface 4 has the effect of secondary grading, has increased this car light optical element's plane of distribution promptly, and light deflects from spotlight portion 1 and incides portion 2 of passing through, can change the light direction of illumination on interface 4, realizes allotting light shape angle and improves the purpose of light shape homogeneity, thereby makes the utility model provides a car light optical element can realize the secondary, improves the grading degree of freedom; in addition, the optical element of the car lamp has a simple structure, meets the process requirements of insert integrated molding or double-color injection molding integrated molding, and is suitable for mass production.
Alternatively, the interface 4 may be flat or curved or otherwise shaped to form the desired optical shape. Specifically, referring to fig. 4 to 9, the interface 4 may be a forward convex curved surface, a flat surface, or a backward concave curved surface.
Specifically, the thermal deformation temperature of silicone is high but expensive, and therefore, the light-condensing portion 1, which has a small volume and is close to the light source, uses a silicone material; since general plastics have a low heat distortion temperature but are inexpensive, plastics such as Polycarbonate (PC) and polymethyl methacrylate (PMMA) are used for the light transmitting portion 2 having a large volume ratio and a large distance from the light source, thereby achieving both cost and heat resistance of the optical element of the vehicle lamp.
Alternatively, referring to fig. 12, the light transmitting portion 2 is a straight solid light conductor extending in the front-back direction, and light emitted from the light source is converged by the light converging portion 1 and then emitted to the light transmitting portion 2; alternatively, referring to fig. 14, the light transmitting portion 2 is a bent solid optical conductor, a reflecting surface 22 is formed at the bent portion of the light transmitting portion 2, light emitted from the light source is converged by the light collecting portion 1 and then emitted upward to the reflecting surface 22, and the light is reflected forward by the reflecting surface 22 and then emitted from the light emitting surface of the light transmitting portion 2, so as to form an approximately L-shaped light path as a whole. It can be understood that fig. 12 and 14 only show two preferred structural forms of the light-passing portion 2, and the structure of the light-passing portion 2 and the relative position between the light-passing portion 2 and the light-condensing portion 1 can also be flexibly set according to the shape requirement of the vehicle lamp, so that the shape of the vehicle lamp is more novel and changeable, and the requirement of a user on the personalized and scientific vehicle lamp shape is met.
As a specific structural form, referring to fig. 5, the light-gathering portion 1 is a light-gathering cup structure, an inner concave cavity is disposed at one end of the light-gathering portion 1 away from the light-passing portion 2, the inner concave cavity includes a front light-entering surface and a side light-entering surface, the front light-entering surface is a curved surface protruding to one side away from the light-passing portion 2, the side light-entering surface is a curved surface gradually decreasing from one end away from the light-passing portion 2 to one end aperture close to the light-passing portion 2, and an external profile surface of the light-gathering portion 1 is a curved surface gradually increasing from one end away from the light-passing portion 2 to one end aperture close to the light-passing portion 2. The opening of the concave cavity faces the light source to receive the light emitted by the light source, the light-gathering part 1 can refract part of the light emitted by the light source to the light-passing part 2 through the front light-in surface of the concave cavity, the side light-in surface of the concave cavity can refract other light emitted by the light source, and the refracted light is reflected to the light-passing part 2 through the external profile surface, so that the full utilization of the light emitted by the light source can be basically realized, and the purpose of improving the light beam utilization rate of the light source can be achieved. Of course, the utility model discloses a spotlight portion 1 is not limited to above-mentioned spotlight cup structure, and spotlight portion 1 also can be the convex curved surface structure or other structural style that can play the spotlight effect backward.
Referring to fig. 10 to 14, in order to improve the brightness of the vehicle lamp and meet the requirements of users on the personalized and scientific vehicle lamp shape, a plurality of light-gathering parts 1 are formed at the rear end of the light-transmitting part 2, and optionally, a plurality of interfaces 4 are connected with each other and form a continuous and smooth curved surface or plane, so that the structures of the light-gathering parts 1 and the light-transmitting part 2 are simplified, the production efficiency is improved, and the production cost is reduced; or, more preferably, referring to fig. 11, the plurality of interfaces 4 are arranged in a staggered manner with drop heights, so that the light distribution is more flexible to better perform secondary light distribution by adjusting the shape and the inclination angle of each interface 4. Furthermore, a plurality of concave curved surfaces and/or convex curved surfaces are formed on each interface 4, so that the flexibility of light distribution and the uniformity of light shape can be further improved.
Referring to fig. 15, the front end of portion 2 that leads to is formed with lens portion 3, and light concentration portion 1, portion 2 and the 3 integrated into one piece of lens portion that lead to for car light optical element's the degree of integrating is higher, and the space occupies that the volume is littleer, and the structure is compacter, and the miniaturization degree is high, can also avoid the assembly error between each optical element in the assembling process, improves the assembly precision, reduces the degree of difficulty of adjusting luminance, thereby can improve optical accuracy.
Preferably, referring to fig. 13, the plurality of light collecting units 1 are formed integrally, or the plurality of light collecting units 1 may be separately provided and formed integrally with the light passing unit 2, respectively.
The utility model discloses a car light optical element's preferred embodiment, including spotlight portion 1 and light portion 2 that leads to, spotlight portion 1 and lead to being formed with interface 4 between the light portion 2, wherein spotlight portion 1 adopts the silica gel material, leads to light portion 2 and adopts the PC material, and this car light optical element adopts double-colored injection moulding's integrative injection moulding of technology.
The utility model discloses a car light module, including the car light optical element of any one in light source and the first aspect technical scheme, light source and 1 one-to-one of spotlight portion, and locate spotlight portion 1 and keep away from the one end of logical light portion 2, wherein, the light source can be for LED chip or OLED chip etc.. Because the utility model discloses a car light optical element's spotlight portion 1's heat distortion temperature is higher, and the distance between light source and the spotlight portion 1 can set up less, and distance between the two is less than 0.5mm, for example can be 0.3mm, 0.25mm, 0.2mm, 0.15mm, 0.1mm, and is littleer even for light is fully collected, utilized. In addition, the vehicle lamp module comprises the vehicle lamp optical element 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 element, and the details are not repeated herein.
The utility model discloses a car light, including the car light module among the second aspect technical scheme, it can include the car light module in the above-mentioned embodiment, consequently has all beneficial effects that the technical scheme of the embodiment of above-mentioned car light module brought at least.
The utility model discloses a vehicle, including the car light among the third aspect technical scheme, it can include the car light in the above-mentioned embodiment, consequently has all beneficial effects that the technical scheme of the embodiment of above-mentioned car light 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 (12)
1. The optical element is characterized by comprising a light gathering part (1) and a light passing part (2) which are integrally formed, wherein the light gathering part (1) and the light passing part (2) are formed parts made of different materials, the heat deformation temperature of the light gathering part (1) is higher than that of the light passing part (2), an interface (4) is formed between the light gathering part (1) and the light passing part (2), and the light gathering part (1) can gather light and enable the light to pass through the light passing part (2) and then be projected out.
2. Optical element for a vehicle lamp according to claim 1, characterized in that said dividing surface (4) is plane or curved.
3. The optical element for a vehicular lamp according to claim 1, wherein the light-condensing portion (1) is a silicone molded portion, and the light-passing portion (2) is a plastic molded portion.
4. The vehicular lamp optical element according to claim 1, wherein the light-passing portion (2) is a straight row type solid light conductor extending in the front-rear direction, or
The light-passing part (2) is a bent solid optical conductor, and a reflecting surface (22) is formed at the bent part of the light-passing part (2).
5. The vehicle lamp optical element according to claim 1, wherein the light-condensing portion (1) is a light-condensing cup structure.
6. The optical element for a vehicle lamp according to claim 1, wherein the light-condensing portion (1) and the light-transmitting portion (2) are an insert-molded integral piece or a two-color injection-molded integral piece.
7. The optical element for a vehicular lamp according to any one of claims 1 to 6, wherein the rear end of the light-passing portion (2) is formed with a plurality of the light-condensing portions (1), a plurality of the division surfaces (4) are connected to each other and form a smooth curved surface or flat surface, or a plurality of the division surfaces (4) are arranged staggered with a step.
8. The optical element for a vehicular lamp according to claim 7, wherein a lens portion (3) is formed at a front end of the light-passing portion (2).
9. The optical element for a vehicle lamp according to claim 7, wherein a plurality of the light-condensing portions (1) are formed integrally.
10. A vehicular lamp module characterized by comprising a light source and the vehicular lamp optical element according to any one of claims 1 to 9, the light source being disposed in one-to-one correspondence with the light-condensing portion (1).
11. A vehicular lamp comprising the vehicular lamp module according to claim 10.
12. A vehicle characterized by comprising the lamp according to claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022654737.9U CN213810449U (en) | 2020-11-16 | 2020-11-16 | Car light optical element, car light module, car light and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022654737.9U CN213810449U (en) | 2020-11-16 | 2020-11-16 | Car light optical element, car light module, car light and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN213810449U true CN213810449U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022654737.9U Active CN213810449U (en) | 2020-11-16 | 2020-11-16 | Car light optical element, car light module, car light and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN213810449U (en) |
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- 2020-11-16 CN CN202022654737.9U patent/CN213810449U/en active Active
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