CN211551476U - Corner lamp projection device for headlamp and vehicle - Google Patents
Corner lamp projection device for headlamp and vehicle Download PDFInfo
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- CN211551476U CN211551476U CN201922413243.9U CN201922413243U CN211551476U CN 211551476 U CN211551476 U CN 211551476U CN 201922413243 U CN201922413243 U CN 201922413243U CN 211551476 U CN211551476 U CN 211551476U
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Abstract
The utility model relates to an automobile lamp specifically discloses an angle lamp projection unit for head-light, including lens support (2) and locate lens (1) on this lens support (2), this lens (1) is for being the arc lens of the part solid of revolution, the part solid of revolution does the longitudinal section of lens (1) is around vertical rotation axis rotation shaping. Furthermore, the utility model also discloses a vehicle including the corner lamp projection arrangement who is used for the head-light. The utility model discloses an angle lamp projection arrangement for head-light simple structure, it is small, it is big to throw the angle, throws effectually.
Description
Technical Field
The utility model relates to an automobile lamp specifically relates to an angle lamp projection arrangement for head-light. Furthermore, the utility model discloses still relate to a vehicle.
Background
In the existing vehicle lamp, the corner lamp is a lamp for providing auxiliary lighting to a corner of a road near the front of the vehicle or providing auxiliary lighting to a side or rear of the vehicle. The corner lamp plays a certain auxiliary lighting role when the road environment lighting condition is insufficient, and guarantees are provided for driving safety. Meanwhile, the corner lamp can also play a certain auxiliary lighting role in areas with insufficient road environment lighting conditions.
In the existing car lamp, in order to save the manufacturing cost, the common car lamp usually combines the corner lamp with other lamps, and although the cost can be saved, in the actual use process, the irradiation angle of the corner lamp is limited, and the use requirement of the corner lamp can not be met in the actual use process.
Based on the reasons, the prior art is difficult to effectively ensure that the corner lamp projection device for the headlamp occupies small space and has good irradiation effect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the problem that at first will solve provides an angle lamp projection unit for head-light, and this an angle lamp projection unit for head-light occupation space is little, and the projection angle is big, throws effectually.
Furthermore, the utility model discloses the problem that still remains to solve provides a vehicle, and the corner lamp projection arrangement occupation space that is used for the head-light of this vehicle is little, and it is big to throw the angle, throws effectually.
In order to solve the technical problem, an aspect of the present invention provides an angle lamp projector for a headlamp, including a lens support and a lens disposed on the lens support, the lens is an arc lens that is a partial revolution body, the partial revolution body is that a longitudinal section of the lens is rotationally formed around a vertical rotation axis.
As a preferred embodiment of the present invention, the lens includes a light incident surface and a light emitting surface, and the light incident surface and the light emitting surface are curved surfaces protruding forward; the projection of the light-emitting surface along the front-back direction is a rectangle or a parallelogram.
Preferably, a transverse sectional line of the light incident surface is a forward convex curve, and a transverse sectional line of the light emergent surface is a forward convex curve.
More preferably, a longitudinal sectional line of the light incident surface is a straight line or a forward convex curve, and a longitudinal sectional line of the light emitting surface is a forward convex curve.
Further preferably, the vertical rotation axis extends in an up-down direction and passes through a focal point of the lens.
As another preferred embodiment of the present invention, the utility model further comprises a heat sink disposed from back to front, a circuit board connected to the front end face of the heat sink, and a light source disposed on the front end face of the circuit board, wherein the lens, the lens holder, and the circuit board enclose a cavity structure for transmitting light; the lens holder, the circuit board and the heat sink are connected by fasteners.
More preferably, the upper side, the left side and the right side of the cavity structure are provided with a reflective structure extending from the side of the light source to the edge of the lens, the reflective structure being adapted to reflect light rays to the lens.
Furthermore, the reflecting surface of the reflecting structure is provided with a reflection increasing coating or a reflection increasing film.
As a specific embodiment of the present invention, the light source is an LED light source.
As another specific embodiment of the present invention, the lens is a transparent lens, and the lens holder is formed as a light shielding portion; the lens support is made of shading materials.
Optionally, a light shielding layer is disposed on a surface of the lens holder.
Optionally, the surface of the lens support is provided with a dermatoglyph structure, and the surface of the dermatoglyph structure is coated with a dark color coating.
As still another embodiment of the present invention, the lens and the lens holder are connected to or formed as one body with each other.
Furthermore, the utility model provides a vehicle, this vehicle include according to any one of above-mentioned technical scheme be used for the corner lamp projection arrangement of head-light.
Through the technical scheme, the utility model discloses a lens for corner lamp projection unit of head-light includes the lens support and locates the lens on this lens support, and this lens is the arc lens of the part solid of revolution, the part solid of revolution does lens longitudinal section is around vertical rotation axis rotation shaping. The utility model discloses an angle lamp projection unit for head-light is through setting up lens into partial solid of revolution structure, can effectively increase and throw the angle to can improve and throw the effect, simultaneously, this angle lamp projection unit volume for head-light is less, and occupation space is little.
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 perspective view of an exemplary embodiment of an angle lamp projector for a head lamp according to the present invention;
fig. 2 is a schematic front view of an exemplary embodiment of an angle lamp projector for a head lamp according to the present invention;
3 FIG. 3 3 3 is 3 a 3 schematic 3 view 3 of 3 the 3 cross 3- 3 sectional 3 structure 3 A 3- 3 A 3 of 3 FIG. 3 2 3; 3
FIG. 4 is a schematic view of the cross-sectional structure B-B of FIG. 2;
FIG. 5 is a schematic perspective view of one embodiment of the reflective structure, light source and lens of the present invention;
FIG. 6 is a perspective view of one embodiment of a lens and lens holder of the present invention;
fig. 7 is a light shape simulation diagram of the corner lamp projection device for the head lamp of the present invention.
Description of the reference numerals
1 lens 101 incident surface
102 light-emitting surface 2 lens support
3 radiator 4 circuit board
5 light source 6 cavity structure
7 reflective structure 8 fastener
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
It should be noted that, in the following description, for clearly explaining the technical solution of the present invention, certain directional terms, such as "front and back", "left and right", "up and down", etc., are used according to the direction of the light emitting path, for example, taking a lens as an example, one end of the lens close to the light source is the back, and the other end of the lens far away from the light source is the front; it can also be understood that the end where the light incident surface of the lens is located is the rear, the end where the light emergent surface is located is the front, and relative to the front-rear direction of the lens, when looking forward from the rear end of the lens, the left and right of the lens are the left-right direction, and the up and down of the lens are the up-down direction.
In the description of the present invention, it should be 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 4, the present invention provides an angle lamp projector for a head lamp, which comprises a lens holder 2 and a lens 1 disposed on the lens holder 2, wherein the lens 1 is an arc lens that is a partial revolution body, and the longitudinal section of the partial revolution body is formed by rotating the longitudinal section of the lens 1 around a vertical rotation axis.
As can be seen from figure 1, lens 1 is the convex arc lens who is the part of the solid of revolution forward, and this kind of lens 1 simple structure, but can increase lens 1's projection angle according to the light-emitting demand, and the increase of projection angle can improve the utility model discloses a throw effect for headlight's corner lamp projection arrangement. It should be explained here that the lens 1 of the present invention is an arc-shaped lens, and the longitudinal section of the arc-shaped lens can form a complete revolution body after rotating 360 ° around the vertical rotation axis, and the lens 1 is made by cutting out a part of the complete revolution body (i.e. a partial revolution body).
As a preferred structure form of the present invention, the lens 1 includes a light incident surface 101 and a light emitting surface 102, and the light incident surface 101 and the light emitting surface 102 are forward convex curved surfaces; the projection of the light emitting surface 102 along the front-back direction is a rectangle or a parallelogram.
The projection of the light emitting surface 102 along the front-back direction is a rectangle, which may be a horizontally disposed rectangle whose left-right direction length is greater than the upper-lower height, a longitudinally disposed rectangle whose left-right direction length is less than the upper-lower height, a parallelogram, or a light emitting surface with other shapes. Here, on the premise of not affecting the light effect, as a specific embodiment of the lens 1 of the present invention, the width dimension of the rectangular projection of the light emitting surface 102 is 5-20mm, the focal length of the lens 1 is 5-15mm, preferably the width dimension of the rectangular projection of the light emitting surface 102 is 8-12mm, the focal length of the lens 1 is 8-10mm, and in the embodiment shown in fig. 1, the width of the rectangular projection of the light emitting surface 102 is 11mm, and the focal length of the lens 1 is 8 mm.
As shown in fig. 4, more preferably, a longitudinal sectional line of the light incident surface 101 is a straight line or a curve protruding forward, and a longitudinal sectional line of the light emitting surface 102 is a curve protruding forward. The longitudinal sectional line is a sectional line intersecting the longitudinal section of the lens 1 with the light incident surface 101 or the light emitting surface 102.
As shown in fig. 3, it is further preferable that a transversal sectional line of the light incident surface 101 is a curve protruding forward, and a transversal sectional line of the light emitting surface 102 is a curve protruding forward. The transverse sectional line is a sectional line intersecting the cross section of the lens 1 with the light incident surface 101 or the light emitting surface 102.
As another preferred embodiment of the present invention, the vertical rotation axis extends in the up-down direction and passes through the focal point of the lens 1.
As another preferred structure form of the present invention, the utility model further comprises a heat sink 3 disposed from back to front, a circuit board 4 connected to the front end face of the heat sink 3, and a light source 5 disposed on the front end face of the circuit board 4, wherein the lens 1, the lens holder 2, and the circuit board 4 enclose a cavity structure 6 for transmitting light; the lens holder 2, the circuit board 4 and the heat sink 3 are connected by fasteners 8. Light emitted by the light source 5 is transmitted to the lens 1 through the cavity structure 6 and projected to the front by the lens 1.
As shown in fig. 5, it is more preferable that the upper side, the left side and the right side of the cavity structure 6 are provided with a reflective structure 7, the reflective structure 7 extends from the side of the light source 5 to the edge of the lens 1, and the reflective structure 7 is adapted to reflect light to the lens 1.
As shown in fig. 3 and 4, a cavity structure 6 for light propagation is enclosed among the lens 1, the lens holder 2 and the circuit board 4, in order to improve the light utilization rate of the whole corner lamp projection device for headlamps, reflection structures 7 are further disposed on the left and right sides and the upper side wall of the cavity structure 6, and light is reflected by the reflection structures 7, enters the lens 1 through the light entrance surface 101, and finally exits from the light exit surface 102.
More preferably, the reflecting surface of the reflecting structure 7 is provided with a reflection increasing coating or a reflection increasing film.
It should be noted here that the reflection-increasing coating on the reflection surface of the reflection structure 7 is aluminum-plated or painted with a bright paint, and the reflection surface may generally extend from one side of the light source 5 to the edge of the lens 1 to increase the efficiency of light reflection.
As a specific embodiment of the present invention, the light source 5 is an LED light source.
The utility model discloses a preferred unit luminous area less than or equal to 0.5mm of LED light source2The LED light source of (1).
As another embodiment of the present invention, the lens 1 is a transparent lens, and the lens holder 2 is formed as a light shielding portion; the lens support 2 is made of a shading material.
Optionally, a light shielding layer is disposed on the surface of the lens holder 2.
Optionally the surface of the lens holder 2 is provided with a dermatoglyph structure having a dark coating on its surface. It is to be explained here that dark colors are understood to mean colors of low chromatic purity. Visually, the dark color mainly includes black, gray, and the like, and the main purpose of the dark color is to match with the dermatoglyph structure to block stray light emitted from the side surface of the lens 1.
More specifically, the lens 1 and the lens holder 2 are connected to or formed integrally with each other.
In fig. 6, in order to improve the optical positioning accuracy between the lens 1 and the light source 5, the lens 1 and the lens holder 2 are generally an integrated piece, the material of the lens 1 is generally PC, PMMA, glass, or silica gel, etc., in order to avoid the light emitted into the cavity structure 6 from being emitted from the lens holder 2 and affecting the light emitting effect, the lens holder 2 has three expression forms, the first is that the lens holder 2 and the lens 1 are a two-color injection molded integral piece, and the lens holder 2 is a lens holder made of black light shielding material; secondly, coating a shading layer on the surface of the lens support 2, wherein the shading layer can be matte black paint or other shading materials; the third is to arrange a layer of dermatoglyph structure on the surface of the lens support 2, and coat a layer of dark color coating on the surface of the dermatoglyph structure, the dark color coating can be bright black paint or other dark color bright paints, no matter what type, the purpose is to play a role in shading.
The utility model discloses an angle lamp projection unit for head-light, it shines angle more than or equal to 60, and its preferred angle more than or equal to 80 that shines to vehicle right side angle lamp is taken as an example, and the light shape simulated pattern that this angle lamp projection unit for head-light throws is shown in figure 7, and it throws light even, and the scope of throwing is big, throws effectually. The corner lamp projector for headlamps may be applied to other auxiliary lighting devices for increasing the lighting range at the corner of the road near the front of the vehicle or on both sides of the vehicle, such as lighting devices having functions of auxiliary low beam, auxiliary high beam, bending, all-weather lamp, and the like.
It should be explained here that the illumination angle is an angle formed by the light and the direction directly in front of the vehicle.
Further, the utility model provides a vehicle still, this vehicle have according to any one of above-mentioned technical scheme be used for the corner lamp projection arrangement of head-light.
As can be seen from the above description, the utility model discloses a corner lamp projection device for head-light, include lens support 2 and locate lens 1 on this lens support 2, this lens 1 is the arc lens who is the part solid of revolution, the part solid of revolution does lens 1's longitudinal section is around vertical rotation axis rotational moulding. The utility model discloses an angle lamp projection unit for head-light is through setting up lens 1 into partial solid of revolution structure, can effectively increase and throw the angle to can improve and throw the effect, simultaneously, this angle lamp projection unit for head-light volume is less, and occupation space is little, and the optical system precision is high.
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 utility model provides a corner lamp projection unit for head-light, characterized by includes lens support (2) and locates lens (1) on this lens support (2), and this lens (1) is the arc lens of the part solid of revolution, the part solid of revolution is the longitudinal section of lens (1) is rotatory formation around vertical rotation axis.
2. The corner light projection device for headlamps according to claim 1, characterized in that the lens (1) comprises an entrance face (101) and an exit face (102), the entrance face (101) and the exit face (102) being curved faces that are convex forward;
the projection of the light emitting surface (102) along the front-back direction is rectangular or parallelogram.
3. The corner light projector for headlamps according to claim 2, characterized in that the transversal section of the light incident surface (101) is a forward convex curve and the transversal section of the light exit surface (102) is a forward convex curve.
4. The corner light projector for headlamps according to claim 3, characterized in that the longitudinal section of the light entry surface (101) is a straight line or a curve that is convex forward, and the longitudinal section of the light exit surface (102) is a curve that is convex forward.
5. The corner-lamp projection device for headlamps according to claim 1, characterized in that the vertical axis of rotation extends in the up-down direction and passes through the focal point of the lens (1).
6. The corner lamp projection device for headlamps according to claim 1, characterized by further comprising a heat sink (3) disposed rearward and forward, a circuit board (4) attached to a front end face of the heat sink (3), and a light source (5) disposed on a front end face of the circuit board (4), the lens (1), the lens holder (2), and the circuit board (4) enclosing a cavity structure (6) for light transmission; the lens support (2), the circuit board (4) and the heat sink (3) are connected by a fastener (8).
7. The corner-lamp projection device for headlamps according to claim 6, characterized in that the upper, left and right sides of the cavity structure (6) are provided with reflecting structures (7), which reflecting structures (7) extend from the side of the light source (5) towards the edge of the lens (1), which reflecting structures (7) are adapted to reflect light rays to the lens (1).
8. The corner-lamp projection device for headlamps according to claim 7 is characterized in that the reflecting surface of the reflecting structure (7) is provided with a reflection-increasing coating or film.
9. The corner-lamp projection device for headlamps according to claim 6, characterized in that the light source (5) is an LED light source.
10. The corner lamp projection device for a headlamp according to any one of claims 1 to 9, characterized in that the lens (1) is a transparent lens, and the lens holder (2) is formed as a light shielding portion; wherein
The lens support (2) is made of shading materials; or
A shading layer is arranged on the surface of the lens support (2); or
The surface of the lens support (2) is provided with a dermatoglyph structure, and the surface of the dermatoglyph structure is coated with a dark color coating.
11. The corner lamp projector for headlamps according to claim 10, characterized in that the lens (1) and the lens holder (2) are connected to each other or are formed in one piece.
12. A vehicle characterized by comprising the corner lamp projector device for a headlamp according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922413243.9U CN211551476U (en) | 2019-12-25 | 2019-12-25 | Corner lamp projection device for headlamp and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922413243.9U CN211551476U (en) | 2019-12-25 | 2019-12-25 | Corner lamp projection device for headlamp and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211551476U true CN211551476U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922413243.9U Active CN211551476U (en) | 2019-12-25 | 2019-12-25 | Corner lamp projection device for headlamp and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211551476U (en) |
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2019
- 2019-12-25 CN CN201922413243.9U patent/CN211551476U/en active Active
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