CN214890957U - Vehicle lighting device, car light and vehicle - Google Patents
Vehicle lighting device, car light and vehicle Download PDFInfo
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- CN214890957U CN214890957U CN202120530664.4U CN202120530664U CN214890957U CN 214890957 U CN214890957 U CN 214890957U CN 202120530664 U CN202120530664 U CN 202120530664U CN 214890957 U CN214890957 U CN 214890957U
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Abstract
The utility model relates to an automobile lamp discloses a vehicle lighting device, which is provided with a light source, a reflector and a lens in turn along the light propagation direction, wherein one side of the reflector close to the light source is formed into a reflecting surface, the reflecting surface is formed into a paraboloid, and the lower boundary of the reflecting surface is arranged in the focus area of the lens; the lens comprises a lens light incident surface and a lens light emergent surface, wherein a transverse sectional line and a longitudinal sectional line of the lens light incident surface are backward convex curves, and the curvature of the transverse sectional line of the lens light incident surface is larger than that of the longitudinal sectional line, so that the left and right angle ranges of the light shape formed by the reflector and the lens in a projection mode are larger than the upper and lower angle ranges, and the light shape is widened. Furthermore, the utility model also discloses a car light and vehicle that contain this vehicle lighting device. The utility model discloses a vehicle lighting device simple structure, the volume is less, and optics is efficient.
Description
Technical Field
The utility model relates to a car light specifically, relates to a vehicle lighting device. Furthermore, the utility model discloses still relate to one kind and include vehicle lamp and vehicle lighting device.
Background
As the vehicle lamp is gradually becoming more compact and miniaturized, the demand for small vehicle lighting devices is becoming greater, and many new optical and structural technical solutions are generated in the development of small vehicle lighting devices, but many new technical problems are encountered.
With the trend toward smaller and narrower vehicle lighting devices, more and more vehicle manufacturers are demanding smaller and smaller vehicle lamps, especially small light exit surface openings. In a vehicle lighting device, a very important type is for widening the light shape for a wide range of lighting in front of the vehicle, such as corner lights, Bending, AWL (all weather lights), fog lights, auxiliary low beams, and the like. However, the size of the conventional vehicle lighting device for widening the light shape is not small enough, and particularly, the size of the opening of the light exit surface is not small enough, and it is difficult to meet the development requirement of miniaturization of the vehicle lamp.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the problem that the first aspect will be solved provides a vehicle lighting device, this vehicle lighting device simple structure, and the volume is less, and optical efficiency is higher.
Furthermore, the utility model discloses the problem that the second aspect will be solved provides a car light, this car light simple structure, and the volume is less, and optical efficiency is higher.
Further, the utility model discloses the problem that the third aspect will be solved provides a vehicle, and the car light simple structure of this vehicle, and the volume is less, and optical efficiency is higher.
In order to solve the above technical problem, a first aspect of the present invention provides a vehicle lighting device, which is sequentially provided with a light source, a reflector and a lens along a light propagation direction, wherein one surface of the reflector close to the light source is formed as a reflecting surface, the reflecting surface is formed as a paraboloid, and a lower boundary of the reflecting surface is located at a focal region of the lens; the lens comprises a lens light incident surface and a lens light emergent surface, wherein a transverse sectional line and a longitudinal sectional line of the lens light incident surface are backward convex curves, and the curvature of the transverse sectional line of the lens light incident surface is larger than that of the longitudinal sectional line, so that the left and right angle ranges of the light shape formed by the reflector and the lens in a projection mode are larger than the upper and lower angle ranges, and the light shape is widened.
As a preferred embodiment of the present invention, an included angle is formed between the light emitting surface of the light source and the horizontal plane, and the included angle is 5 ° to 30 °.
More preferably, the included angle is 10 ° to 20 °.
As another preferred embodiment of the present invention, the lens light emitting surface is a plane.
As another preferred embodiment of the present invention, the left and right sides of the lens are formed with side contact surfaces, one side of the side contact surface is connected to the side of the lens light incident surface, and the other side is connected to the same side edge of the lens light emergent surface.
Further preferably, the side surfaces are formed as a first side contact surface and a second side contact surface connected to each other, and a joint of the first side contact surface and the second side contact surface is formed with a break angle.
As a specific structural form of the present invention, the first side contact surface is formed as a vertical plane extending from the rear to the front inward slant, and the second side contact surface on the left and right sides is formed as a vertical plane extending from the rear to the front and being parallel to each other.
As another specific structure of the present invention, the side contact surfaces on the left and right sides are symmetrically disposed with respect to the vertical central plane extending in the front-rear direction.
Further, the second aspect of the present invention provides a vehicle lamp, including the vehicle lighting device according to the first aspect of the present invention.
Furthermore, the third aspect of the present invention further provides a vehicle, including the lamp according to the second aspect.
Through the technical scheme, the vehicle lighting device of the utility model is sequentially provided with the light source, the reflector and the lens along the light propagation direction, wherein one surface of the reflector close to the light source is formed into a reflecting surface, and the reflecting surface is formed into a paraboloid; the lens comprises a lens light incident surface and a lens light emergent surface, wherein a transverse sectional line and a longitudinal sectional line of the lens light incident surface are backward convex curves, and the curvature of the transverse sectional line of the lens light incident surface is larger than that of the longitudinal sectional line, so that the left and right angle ranges of the light shape formed by the reflector and the lens in a projection mode are larger than the upper and lower angle ranges, and the light shape is widened. The utility model discloses a vehicle lighting device sets up the plane of reflection with the speculum into the paraboloid, and the focus region of lens is located to the lower boundary of plane of reflection, and is greater than the camber of longitudinal transversal with the camber of the horizontal transversal of lens income plain noodles to this reduces vehicle lighting device's volume, and the size on the play plain noodles of especially lens is less, thereby can satisfy the miniaturized design requirement of car light.
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 view of an embodiment of the vehicle lighting device of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is one of the schematic structural views of one embodiment of the lens of the present invention;
FIG. 5 is a second schematic structural view of an embodiment of a lens of the present invention;
FIG. 6 is a top view of FIG. 4;
FIG. 7 is a sectional view taken along line B-B of FIG. 6;
FIG. 8 is a side view of FIG. 4;
FIG. 9 is a cross-sectional view C-C of FIG. 8;
fig. 10 is a light path diagram of an embodiment of the vehicle lighting device of the present invention;
fig. 11 is a light pattern diagram of an embodiment of the vehicle lighting device of the present invention.
Description of the reference numerals
1 light source 2 reflector
21 reflecting surface 3 lens
31 lens light incident surface and 32 lens light emergent surface
33 side junction surface 331 first side junction surface
332 second side junction face 4 horizontal plane
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.
In the description of the present invention, it should be explained that, in the following description, for clarity, some directional words, such as "front", "back", "left", "right", etc., are involved, based on the vehicle lighting device, "front" refers to the direction that the light emitting direction refers to, "back" refers to the direction opposite to "front", "left" refers to the left side along the light emitting direction, and "right" refers to the right side along the light emitting direction, i.e. the same direction as the left and right sides of the vehicle in normal running. The terminology used is for the purpose of describing the invention only and is for the purpose of simplifying the description based on the directions or positional relationships illustrated in the drawings, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the 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.
As shown in fig. 1 to 3, a first aspect of the present invention provides a vehicle lighting device, which is sequentially provided with a light source 1, a reflector 2 and a lens 3 along a light propagation direction, wherein one surface of the reflector 2 close to the light source 1 is formed as a reflecting surface 21, the reflecting surface 21 is formed as a paraboloid, and a lower boundary of the reflecting surface 21 is provided in a focal region of the lens 3; the lens 3 comprises a lens light incident surface 31 and a lens light emergent surface 32, the transverse sectional line and the longitudinal sectional line of the lens light incident surface 31 are both backward convex curves, and the curvature of the transverse sectional line of the lens light incident surface 31 is greater than that of the longitudinal sectional line, so that the left and right angle ranges of the light shape formed by projection of the reflector 2 and the lens 3 are greater than the upper and lower angle ranges, and the broadened light shape is formed.
As shown in fig. 3, the utility model discloses a reflector 2's one side that is close to light source 1 forms to plane of reflection 21, and this plane of reflection 21 forms to the paraboloid, and the focus area of lens 3 is located to the lower boundary of plane of reflection 21, and preferably, the lower boundary setting of plane of reflection 21 is in focus 0-5mm department apart from lens 3, and it is used for forming the last boundary of light shape, compares in the plane of reflection 21 of class ellipsoid, the utility model discloses a depth dimension of plane of reflection 21 of paraboloid shape is less, can effectively reduce vehicle lighting device's depth dimension, is favorable to the miniaturized design of car light. In the lens 3 fitted to the reflector 2 having the parabolic reflecting surface 21, the transverse sectional line and the longitudinal sectional line of the lens light incident surface 31 of the lens 3 are each formed into a backward convex curve, and the curvature of the transverse sectional line is larger than that of the longitudinal sectional line so that the right-left angle range of the light shape is larger than the up-down angle range, thereby forming a widened light shape as shown in fig. 11. It can be seen that the vehicle lighting device of the present invention has a small size, and can form a wide spread light shape with a wide spread width as shown in fig. 11.
As a preferred embodiment of the present invention, an included angle is formed between the light emitting surface of the light source 1 and the horizontal plane 4, and the included angle is 5 ° to 30 °.
More preferably, the included angle is 10 ° to 20 °.
The utility model discloses a light source 1's light emitting area forms to planar structure, and angle 5 between light source 1's light emitting area and the horizontal plane 4 is between 30, and preferred angle is 10 between to 20 to this can increase from light source 1 jets out and get into the light of lens income plain noodles 31 after the reflection of plane of reflection 21, improves car light lighting device's optical efficiency.
In the installation, can adjust the quantity that gets into lens income plain noodles 31 after the reflection of plane 21 from the light that light source 1 jetted out through the contained angle between the light emitting area of adjustment light source 1 and horizontal plane 4, with this can improve the utility model discloses a vehicle lighting device's optical efficiency.
It is thus conceivable that the angle of the angle between the light-emitting surface of the light source 1 and the horizontal plane 4 can be realized by means of a fine adjustment: the light source 1 is installed on the fine adjustment structure, and the fine adjustment structure can adopt the following two adjustment modes at the same time: first, the manual fine adjustment structure is suitable for adjusting the light source 1 during the installation process of the light source 1, and after the adjustment is completed, the light emitted from the light source 1 can enter the lens light incident surface 31 as much as possible. Second, electronic fine setting structure, this electronic fine setting structure not only can adjust the light emitting area of light source 1 and the contained angle of horizontal plane 4 in the installation of light source 1, can also the utility model discloses a vehicle lighting device installs the back on the vehicle, adjusts the light emitting area of light source 1 and the contained angle of horizontal plane 4 in the vehicle use to can make light source 1 can keep higher optical efficiency all the time. The fine adjustment structures of the two light sources 1 can adjust the included angle between the light emitting surface of the light source 1 and the lens light incident surface 31, so that the difference between parts caused by installation errors in the installation process is compensated, and the high optical efficiency of each vehicle lighting device can be realized.
As another preferred embodiment of the present invention, the lens light emitting surface 32 is a plane.
As shown in fig. 4 to 9, the lens light emitting surface 32 of the present invention is formed as a plane, and therefore, the lens light emitting surface 32 of the present invention does not have the function of converging or diverging light, which is determined by the structures of the reflecting surface 21 of the reflector 2 and the lens light incident surface 31. Of course, the lens light emitting surface 32 may be a curved surface protruding outward or a curved surface recessed inward in order to have other light emitting effects.
As a specific structural form of the present invention, the left and right sides of the lens 3 are formed with side connection surfaces 33, one side of the side connection surfaces 33 is connected to the side of the lens light incident surface 31, and the other side is connected to the same side edge of the lens light emergent surface 32.
As shown in fig. 4 to 9, the lens light incident surface 31 and the lens light emitting surface 32 of the present invention are not directly connected, and a side joint surface 33 is provided therebetween, and meanwhile, as can be seen from fig. 10, the side joint surface 33 of the present invention has a tendency of being inclined from the back to the front. As can be seen from fig. 10, the light reflected by the reflection surface 21 can enter the lens entrance surface 31, most of the light entering the lens entrance surface 31 can exit from the lens exit surface 32, and only a small part of the light is reflected by the lens entrance surface 31 to form stray light, so it is conceivable that a shielding structure may be further disposed around the lens entrance surface 31 to absorb or shield the stray light formed from the lens entrance surface 31. Meanwhile, a shielding structure may be disposed on or integrally formed with the side connecting surface 33 for shielding or absorbing the light propagating in the lens 3 and emitted from the side connecting surface 33, so as to avoid forming stray light.
More specifically, the side contact surface 33 is formed as a first side contact surface 331 and a second side contact surface 332 which are connected to each other, and a joint of the first side contact surface 331 and the second side contact surface 332 is formed with a bevel to save materials and reduce cost.
Further specifically, the first side contact surface 331 is formed as a vertical plane extending obliquely inward from the rear to the front, and the second side contact surfaces 332 on the left and right sides are formed as vertical planes extending from the rear to the front and being parallel to each other.
As shown in fig. 10, it can be seen from the light propagation path that light rays are reflected by the reflection surface 21 and then enter the lens light incident surface 31, the lens light incident surface 31 collects light rays and converges the lens light incident surface 32, and the light rays are emitted from the lens light incident surface 32, and the light rays are collected and converged by the lens light incident surface 31, so that the lens light incident surface 32 has the advantage smaller than the lens light incident surface 31, and therefore the side joint surface 33 is determined to be gradually inclined from back to front. As a preferred embodiment of the side contact surface 33 of the present invention, the side contact surface 33 is formed as a first side contact surface 331 and a second side contact surface 332, the first side contact surface 331 is formed as a plane inclined inward gradually from the rear to the front, the second side contact surface 332 is formed as a plane parallel to a vertical center plane of the lens 3 extending in the front-rear direction, the first side contact surface 331 and the second side contact surface 332 are connected to form the side contact surface 33, and in this embodiment, the distance in the front-rear direction of the first side contact surface 331 is greater than the distance in the front-rear direction of the second side contact surface 332. As another preferred embodiment of the side contact surface 33 of the present invention, the side contact surface 33 may be formed as a first side contact surface 331 and a second side contact surface 332, the first side contact surface 331 and the second side contact surface 332 are both formed as planes inclined inward gradually from the rear to the front, and an included angle between the first side contact surface 331 and a vertical central plane of the lens 3 extending in the front-rear direction is smaller than an included angle between the second side contact surface 332 and a vertical central plane of the lens 3 extending in the front-rear direction. As a third preferred embodiment of the side joint surface 33 of the present invention, the side joint surface 33 may also be formed as a single plane gradually inclined inward from back to front, one side of the side joint surface 33 is connected to the lens light incident surface 31, and the other side is connected to the lens light emitting surface 32. Of course, the side contact surfaces 33 can also adopt other structural forms, and whether the side contact surfaces are formed by connecting several side contact surfaces or a single side contact surface, the side contact surfaces 33 are inclined inwards from back to front, so that the area of the lens light emitting surface 32 is smaller than that of the lens light incident surface 31.
As another specific structure of the present invention, the side contact surfaces 33 on the left and right sides are symmetrically arranged compared to the vertical central plane extending in the front-rear direction.
As can be seen from the above description, the structural style of the side joint surfaces 33 of the left and right sides of the side joint surfaces 33 of the present invention is symmetrical with respect to the central plane, and of course, the number of the planes constituting the side joint surfaces 33 is equal to satisfy the light emitting requirement and facilitate the production.
Furthermore, the second aspect of the present invention further provides a vehicle lamp, including the vehicle lighting device according to any one of the first aspect of the present invention.
Further, the third aspect of the present invention provides a vehicle including the lamp according to the second aspect of the present invention.
As can be seen from the above description, the vehicle lighting device of the present invention is sequentially provided with a light source 1, a reflector 2 and a lens 3 along a light propagation direction, wherein one surface of the reflector 2 close to the light source 1 is formed as a reflecting surface 21, the reflecting surface 21 is formed as a paraboloid, and a lower boundary of the reflecting surface 21 is disposed at a focal region of the lens 3; the lens 3 comprises a lens light incident surface 31 and a lens light emergent surface 32, the transverse sectional line and the longitudinal sectional line of the lens light incident surface 31 are both backward convex curves, and the curvature of the transverse sectional line of the lens light incident surface 31 is greater than that of the longitudinal sectional line, so that the left and right angle ranges of the light shape formed by projection of the reflector 2 and the lens 3 are greater than the upper and lower angle ranges, and the broadened light shape is formed. The utility model discloses a vehicle lighting device sets up to the paraboloid through the plane of reflection 21 with speculum 2 to this plane of reflection 21's lower boundary sets up in the position from lens focus 0-5mm, lens income plain noodles 3 sets up to convex curved surface backward, and the camber of the horizontal transversal of lens income plain noodles 31 is greater than the camber of vertical transversal, with this can guarantee that light source 1 jets out after speculum 2 reflect, can be more enter into in lens 3, and the light through lens 3 can form the light shape of widening, moreover, the steam generator is simple in structure, the light-emitting effect is good.
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 (10)
1. A vehicle lighting device is characterized in that a light source (1), a reflector (2) and a lens (3) are arranged in sequence along the light propagation direction, wherein
One surface of the reflector (2) close to the light source (1) is formed into a reflecting surface (21), the reflecting surface (21) is formed into a paraboloid, and the lower boundary of the reflecting surface (21) is arranged in the focal region of the lens (3);
the lens (3) comprises a lens light incident surface (31) and a lens light emitting surface (32), the transverse sectional line and the longitudinal sectional line of the lens light incident surface (31) are backward convex curves, the curvature of the transverse sectional line of the lens light incident surface (31) is larger than that of the longitudinal sectional line, so that the left and right angle ranges of the light shape formed by projection of the reflector (2) and the lens (3) are larger than the upper and lower angle ranges, and the light shape is widened.
2. A vehicle lighting device according to claim 1, wherein the light emitting surface of the light source (1) forms an angle with the horizontal plane (4), the angle being 5 ° to 30 °.
3. The vehicle lighting device of claim 2, wherein the included angle is between 10 ° and 20 °.
4. The vehicle lighting device according to claim 1, wherein the lens exit surface (32) is planar.
5. The vehicle lighting device according to any one of claims 1 to 4, wherein side contact surfaces (33) are formed on the left and right sides of the lens (3), one side of the side contact surfaces (33) is connected to the side of the lens light incident surface (31), and the other side is connected to the same side edge of the lens light emitting surface (32).
6. The vehicle lighting device according to claim 5, wherein the side contact surface (33) is formed as a first side contact surface (331) and a second side contact surface (332) connected to each other, and a joint of the first side contact surface (331) and the second side contact surface (332) is formed with a dog-ear.
7. The vehicle lighting device according to claim 6, wherein the first side joint surface (331) is formed as a vertical plane extending obliquely inward from rear to front, and the second side joint surfaces (332) on the left and right sides are formed as vertical planes extending from rear to front and parallel to each other.
8. The vehicular illumination device according to claim 5, wherein the side contact surfaces (33) on the left and right sides are symmetrically arranged with respect to a vertical center plane extending in the front-rear direction.
9. A vehicular lamp characterized by comprising the vehicle lighting device according to any one of claims 1 to 8.
10. A vehicle characterized by comprising the lamp according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120530664.4U CN214890957U (en) | 2021-03-12 | 2021-03-12 | Vehicle lighting device, car light and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120530664.4U CN214890957U (en) | 2021-03-12 | 2021-03-12 | Vehicle lighting device, car light and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214890957U true CN214890957U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120530664.4U Active CN214890957U (en) | 2021-03-12 | 2021-03-12 | Vehicle lighting device, car light and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214890957U (en) |
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2021
- 2021-03-12 CN CN202120530664.4U patent/CN214890957U/en active Active
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