CN215929450U - Automobile-used lighting module and car light - Google Patents
Automobile-used lighting module and car light Download PDFInfo
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- CN215929450U CN215929450U CN202122411060.0U CN202122411060U CN215929450U CN 215929450 U CN215929450 U CN 215929450U CN 202122411060 U CN202122411060 U CN 202122411060U CN 215929450 U CN215929450 U CN 215929450U
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Abstract
The utility model relates to the field of vehicle lamps, in particular to a vehicle illumination module and a vehicle lamp, wherein the vehicle illumination module comprises an LED luminous body, a heat dissipation assembly and a collimating lens, the LED luminous body is arranged on the heat dissipation assembly, the collimating lens is arranged on a light-emitting surface of the LED luminous body and used for gathering and/or collimating light emitted by the LED luminous body, a condensing lens is further arranged on the light-emitting surface of the collimating lens, and the condensing lens focuses the light gathered or collimated by the collimating lens onto a preset surface to form a focusing light spot; the lighting module is used for being detachably mounted on the automobile headlamp. The lens combination is used for replacing the reflecting cup, so that the light utilization rate of the automobile headlamp is improved, the energy consumption is reduced, the lens combination can be matched with the existing automobile lamp structure, and the replacement cost of the automobile lamp can be reduced.
Description
Technical Field
The utility model relates to the field of vehicle lamps, in particular to a vehicle lighting module and a vehicle lamp.
Background
The existing automobile headlamps comprise halogen lamps, xenon lamps and LED lamps. The halogen lamp is low in price, but high in energy consumption, poor in brightness, large in heat productivity, capable of emitting yellow light mostly, low in illumination and easy to age. Xenon lamps (HID) have an intensity of illumination three times higher than halogen lamps, but consume only two times of their energy; the xenon lamp adopts the light color which is nearly the same as that of sunlight, creates better visual conditions for drivers, and has longer service life. However, xenon lamps are expensive, complicated to assemble and poor in light-condensing properties, and although the amount of heat generated by xenon lamps is smaller than that of halogen lamps, it is not so low. The LED lamp is a new green lighting high-tech industry, especially the LED-COB light source has the characteristics of green environmental protection, high brightness, high efficiency and energy conservation, and the LED lamp is used as a cold light source, so that the temperature of the LED lamp is low, the service life of the LED lamp is prolonged, and the LED lamp is deeply favored by various car lamp manufacturers and car owners in the field of car lamps.
However, the existing automobile LED headlamp usually uses the reflection cup to collect light, when the reflection cup reflects the collected light, the light loss is large, part of the light is directly emitted from the light outlet opening of the reflection cup, so that the light is wasted, the light collection efficiency is low, and the energy conservation and the environmental protection are not facilitated.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to overcome at least one of the above-mentioned drawbacks of the prior art, and to provide a lighting module for a vehicle and a vehicle lamp, which are capable of improving the light utilization rate of a light source of the vehicle lamp, and the lighting module can be detachably mounted on a vehicle headlamp, and is matched with an existing vehicle lamp structure, so that the replacement cost of the vehicle lamp can be reduced.
The technical scheme adopted by the utility model comprises the following steps:
an illumination module comprises an LED luminous body, a heat dissipation assembly and a collimating lens, wherein the LED luminous body is arranged on the heat dissipation assembly, and the collimating lens is arranged on a light emitting surface of the LED luminous body and used for gathering and/or collimating light rays emitted by the LED luminous body; the light-emitting surface of the collimating lens is also provided with a condensing lens, and the condensing lens focuses light collected or collimated by the collimating lens onto a preset surface to form a focusing light spot; the lighting module is detachably arranged on the automobile headlamp.
Further, as one of the alternatives, the condensing lens is a plano-convex lens and a surface facing the collimating lens is a convex surface.
Further, as one of the alternatives, the condenser lens is an aspheric lens, and a surface of the condenser lens facing the collimator lens is aspheric; the aspheric surface comprises a first curved surface and a second curved surface which are in smooth transition connection; the second curved surface is positioned in the middle of the aspheric surface and close to the middle, the first curved surface is positioned on the periphery of the second curved surface, and the curvature of the first curved surface is smaller than that of the second curved surface.
Further, as one alternative, the condensing lens is a gaussian scattering lens, one side of the condensing lens facing the collimating lens comprises a gaussian scattering curved surface and a lens curved surface which are in smooth transition connection, the lens curved surface is located in the middle of the aspheric surface and at a position close to the middle, and the gaussian scattering curved surface is located at the periphery of the lens curved surface.
Further, a uniform light diffusion sheet is arranged between the LED luminous body and the condensing lens.
Furthermore, the LED luminous bodies and the collimating lenses comprise a plurality of LED luminous bodies and a plurality of collimating lenses which are arranged in an array and correspond to one another; or the LED luminous bodies comprise a plurality of LED luminous bodies which are arranged in an array, and the single collimating lens corresponds to the LED luminous bodies arranged in the array.
Further, the outline that LED luminous element array was arranged corresponds with car light low beam type.
Further, the plurality of LED luminous bodies are independently driven to be turned on and turned off.
Based on the above vehicle lighting module, the technical scheme adopted by the utility model further comprises:
the utility model provides a car light, includes as above lighting module, cuts optical assembly and light-emitting lens, cut the optical assembly and be located focus of focusing light spot position and being located light-emitting lens.
Further, the car lamp also comprises a reflecting cup; the lighting module is detachably arranged in the reflecting cup.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the combination of the collimating lens and the condensing lens improves the light utilization rate and avoids the condensing effect of the reflecting cup;
(2) the lighting module can be detachably mounted on the automobile headlamp, the replacement cost of the automobile lamp can be reduced, and the applicability is wide.
Drawings
Fig. 1 is a schematic structural view of a vehicular lamp according to embodiment 1 of the present invention.
Fig. 2 is a schematic diagram of an optical path in embodiment 1 of the present invention.
Fig. 3 is an enlarged schematic view of a condenser lens according to embodiment 1 of the present invention.
Fig. 4 is an enlarged schematic view of a condenser lens according to embodiment 2 of the present invention.
Fig. 5 is an enlarged schematic view of a condenser lens according to embodiment 3 of the present invention.
Fig. 6 is an enlarged schematic view of a light source array according to embodiment 4 of the present invention.
Description of reference numerals:
a heat dissipating component 1; a light reflecting cup 2; an LED light emitter 3; a light source array 30; a collimating lens 4; a condenser lens 5; a first curved surface a; a second curved surface b; a Gaussian scattering curved surface c; a lens curved surface d; a light cutting assembly 6; and a light-emitting lens 7.
Detailed Description
The drawings are only for purposes of illustration and are not to be construed as limiting the utility model. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1, the present embodiment provides a lighting module and a car light for a vehicle, wherein the installation form of the car light is taken as a reference, the light-emitting surface of the car light is the front, and the lighting module sequentially comprises a heat dissipation assembly 1 from back to front; an LED light emitter 3; a collimating lens 4; and a condenser lens 5.
The high temperature resistance of the light emitting diode is poor, the service life of the light emitting diode is short under the working condition of poor temperature condition, the light color shift is easy to occur, and in addition, the space in the vehicle lamp is small and the heat dissipation condition is poor, so that a structure for forced heat dissipation, namely the heat dissipation component 1, needs to be arranged, the LED luminous body 3 is arranged at the front end of the heat dissipation component 1, and the heat dissipation component 1 dissipates heat for the LED luminous body 3 under the condition that the heat dissipation component 1 does not shield the LED luminous body.
The collimating lens 4 arranged in front of the LED luminous body 3 is used for collecting and/or collimating divergent light rays emitted by the LED luminous body 3 serving as a light source, the light rays emitted out of the collimating lens 4 are parallel light and/or near-parallel light, and the light rays of the light source are collected and utilized to the maximum extent. The collimator lens 4 of this embodiment is a plano-convex lens with its convex surface facing the condenser lens 5.
The vehicle lamp of the embodiment further comprises a light cutting component 6 and a light emitting lens 7 besides the vehicle lighting module, wherein the light cutting component 6 is arranged in front of the condensing lens 5, namely on the light emitting side of the condensing lens 5, and the preset surface is positioned at the light cutting component 6; the light-emitting lens 7 is arranged in front of the light-cutting component 6. As described above, the light cutting assembly 6 is used for switching the high beam and low beam lights, and may be a device having a light cutting function such as a solenoid light cutting sheet, the light cutting assembly 6 adjusts light that the light spot can pass through to form a high beam light type or a low beam light type, the light emitting lens 7 collects light passing through the light cutting assembly 6, and the amplification light type is emitted to the outside.
Preferably, in order to obtain the maximum light collection rate, in the present embodiment, the light cutting assembly 6 is located at the focused spot position and at the focal point of the light exiting lens 7. The existing car lamp structure is mostly provided with a reflection cup, and the lighting module of the embodiment can be inserted into the reflection cup through the port of the reflection cup, namely, the lighting module is detachably installed in the reflection cup 2. It should be noted that the reflector cup 2 no longer plays a role of reflecting light in the conventional vehicle lamp, but is used as an existing structure of the vehicle lamp itself, and is only used as a matching housing for facilitating installation of the lighting module when the vehicle lamp is replaced. The lighting module can be detachably connected with the reflection cup 2, so that the car lamp can be maintained conveniently.
As shown in fig. 2, the complete optical path of the vehicle lamp provided by the present embodiment is as follows:
LED luminous element 3 sends light as the light source, divergent light draws in behind collimating lens 4, form parallel light and/or nearly parallel light by the collimation, penetrate condensing lens 5, condensing lens 5 assembles light and forms the focus facula on a predetermined face, light cutting component 6 locates focus facula department, light cutting component 6 is with the light type (high beam type or low beam type) that outwards jets out of mode adjustment focus facula that shelters from, the facula sends divergent light in light cutting component 6 department, light type is enlarged by light-emitting lens 7 through light-emitting lens, high beam light or low beam light are jetted out to the external world.
Example 2
As shown in fig. 4, the difference between the vehicular lighting module and the vehicular lamp provided in this embodiment and embodiment 1 is the condenser lens 5, in which the condenser lens 5 of this embodiment is an aspheric lens, and one surface of the aspheric lens facing the collimator lens 4 is aspheric; as shown in fig. 4, the aspheric surface includes a first curved surface a and a second curved surface b which are connected in a smooth transition manner; the second curved surface b is positioned in the middle of the aspheric surface and close to the middle, the first curved surface a is positioned at the periphery of the second curved surface b, the curvature of the first curved surface a is smaller than that of the second curved surface b, the condensing lens 5 is a convex lens with thick middle and thin edge, the convergence degree of light rays incident from the middle of the condensing lens 5 is higher, light spots with bright middle and dark edge are formed on a preset surface, and the smooth connection of the first curved surface a and the second curved surface b enables the light and dark junction of the light spots to be in soft transition.
Example 3
As shown in fig. 5, the differences between the vehicular illumination module and the vehicular lamp provided in this embodiment and embodiment 1 lie in the condenser lens 5, the condenser lens 5 in this embodiment is a gaussian scattering lens, one surface of the condenser lens facing the collimating lens includes a gaussian scattering curved surface c and a lens curved surface d that are smoothly connected, the lens curved surface d is located at the middle of the aspheric surface and near the middle, the gaussian scattering curved surface c is located at the periphery of the lens curved surface, light incident from the edge of the condenser lens 5 passes through the gaussian scattering curved surface c to be gaussian-scattered, the converging degree to the focal point is smaller than that of the light passing through the lens curved surface d, light spots with bright middle and dark edge are formed on the preset surface, the smooth connection between the gaussian scattering curved surface c and the lens curved surface d makes the light-dark junction of the light spots softly transition, and the curvature of the gaussian scattering curved surface c is smaller than or equal to the curvature of the lens curved surface d.
Example 4
As shown in fig. 6, the lighting module and the vehicle lamp for a vehicle provided in this embodiment are different from those in embodiment 1 in that a light source is formed by a plurality of LED luminaries 3 capable of being independently driven to be switched, and a light source array 30 is formed, and a collimating lens is disposed corresponding to each LED luminary. The outline of the light source array 30 corresponds to the low beam shape of the vehicle lamp, and a low beam shape light spot of the vehicle lamp is formed on a preset surface. The LED luminous bodies 3 can be set to be independently driven to light, the brightness distribution of light spots formed on a preset surface can be adjusted by opening and closing the LED luminous bodies 3 at different positions on the driving light source array 30, the self-adaptive car lamp lighting effect can be realized, and intelligent adjustment can be realized according to the sensing result by adding a sensing device to sense pedestrians or drive vehicles in opposite directions.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention claims should be included in the protection scope of the present invention claims.
Claims (10)
1. The automotive lighting module is characterized by comprising an LED luminous body, a heat dissipation assembly and a collimating lens, wherein the LED luminous body is arranged on the heat dissipation assembly, and the collimating lens is arranged on a light emergent surface of the LED luminous body and used for gathering and/or collimating light rays emitted by the LED luminous body; the light-emitting surface of the collimating lens is also provided with a condensing lens, and the condensing lens focuses light collected or collimated by the collimating lens onto a preset surface to form a focusing light spot; the lighting module is used for being detachably mounted on the automobile headlamp.
2. The lighting module for vehicle as claimed in claim 1,
the condensing lens is a plano-convex lens, and one surface facing the collimating lens is a convex surface.
3. The lighting module for vehicle as claimed in claim 1,
the condenser lens is an aspheric lens, and one surface of the condenser lens facing the collimating lens is an aspheric surface;
the aspheric surface comprises a first curved surface and a second curved surface which are in smooth transition connection; the second curved surface is positioned in the middle of the aspheric surface and close to the middle, the first curved surface is positioned on the periphery of the second curved surface, and the curvature of the first curved surface is smaller than that of the second curved surface.
4. The vehicle lighting module of claim 1, wherein the condenser lens is a gaussian diffusion lens, and a side of the condenser lens facing the collimating lens comprises a gaussian diffusion curved surface and a curved lens surface, the gaussian diffusion curved surface and the curved lens surface are connected in a smooth transition manner, the curved lens surface is located at a position between the aspheric surface and the middle of the aspheric surface, and the gaussian diffusion curved surface is located at a periphery of the curved lens surface.
5. The vehicle lighting module of claim 1, wherein a light homogenizing sheet is disposed between the LED illuminator and the condensing lens.
6. The lighting module for vehicle as claimed in claim 1,
the LED luminous bodies and the collimating lenses comprise a plurality of LED luminous bodies and collimating lenses which are arranged in an array and correspond to one another; or the LED luminous bodies comprise a plurality of LED luminous bodies which are arranged in an array, and the single collimating lens corresponds to the LED luminous bodies arranged in the array.
7. The lighting module for vehicle as claimed in claim 6,
the outline of the array corresponds to the low beam pattern of the vehicle lamp.
8. The lighting module of claim 6, wherein the plurality of LED lights are independently driven to turn on and off.
9. A vehicle lamp is characterized in that the lamp body is provided with a lamp body,
the vehicle lighting module comprises the vehicle lighting module as claimed in any one of claims 1 to 8, a light cutting assembly and a light emergent lens, wherein the light cutting assembly is located at the position of the focusing light spot and at the focus of the light emergent lens.
10. The vehicular lamp according to claim 9,
the car light also comprises a reflecting cup;
the automobile-used lighting module is detachably arranged in the reflection cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122411060.0U CN215929450U (en) | 2021-09-30 | 2021-09-30 | Automobile-used lighting module and car light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122411060.0U CN215929450U (en) | 2021-09-30 | 2021-09-30 | Automobile-used lighting module and car light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215929450U true CN215929450U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122411060.0U Active CN215929450U (en) | 2021-09-30 | 2021-09-30 | Automobile-used lighting module and car light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215929450U (en) |
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2021
- 2021-09-30 CN CN202122411060.0U patent/CN215929450U/en active Active
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