CN217273896U

CN217273896U - Ellipsoidal light module with softened double light gradients

Info

Publication number: CN217273896U
Application number: CN202220886296.1U
Authority: CN
Inventors: 陆春艳; 华圣熙; 仓健; 黄佳佳; 严帅; 陆飞跃; 田雨翟
Original assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Current assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-08-23
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a two light gradient's of gentle change ellipsoid light module, include the lens support, install the convex lens of lens support front end with install the radiator of lens support rear end, the lens support with be provided with first interior lamp shade, second in lamp shade, stationary blade, short-distance beam baffle, first PCBA and second PCBA in the space that the radiator combination formed, convex lens first interior lamp shade the second in the lamp shade the stationary blade the short-distance beam baffle first PCBA with two optical system are constituteed to second PCBA, the lamp shade comprises single row multiple irregular needle-like income plain noodles and the play plain noodles that form the cut-off line in the second, lamp shade and short-distance beam baffle cooperation form short-distance beam cut-off line and distance light type in the second. The softening double-light-gradient ellipsoid lamp light module softens the gradient difference of far and near lights at the splicing part.

Description

Soft double-light-gradient ellipsoid lamp light module

Technical Field

The utility model belongs to the technical field of the technique of the car lamps and lanterns of self-adaptation illumination and specifically relates to a two light gradient's of gentle ellipsoid light module.

Background

With the rapid development of automobile lamp technology, the application of the double-light self-adaptive headlamp is wider, a light source reflected by the ground is mainly used in the region from the back of a light beam bright-dark cut-off line to 30-40 meters, and the region can distinguish objects with bright color tones, but is not easy to perceive objects with static road surfaces and dark color tones. In this case, if the beam cutoff line of the high beam and the low beam is layered, the driver may be given the illusion of a pit on the road surface, and the driver may be given a bad night driving experience, which increases the risk of night driving.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.

Therefore, the utility model provides a two light gradient's of gentle ellipsoid light module has softened the gradient difference of far and near light in concatenation department.

According to the utility model discloses ellipsoidal light module of two light gradients of gentle change, include the lens support, install the convex lens of lens support front end with install the radiator of lens support rear end, the lens support with be provided with first interior lamp shade, second in lamp shade, stationary blade, passing light baffle, first PCBA and second PCBA in the space that the radiator combination formed, convex lens first interior lamp shade the second in the lamp shade the stationary blade passing light baffle first PCBA with two optical system are constituteed to second PCBA, the lamp shade comprises single row a plurality of irregular needle-like income plain noodles and the play plain noodles that form the cut-off line in the second, lamp shade and passing light baffle cooperation form passing light cut-off line and distance light type in the second.

The beneficial effects of the utility model are that, eliminated the layering phenomenon of far and near light in the two optical module mechanisms of tradition, softened far and near light and poor in the gradient of concatenation department, guaranteed that driver's night is gone occasionally better driving illumination experience, improved the security that driver drove night.

According to the utility model discloses an embodiment, be provided with short-distance beam LED light source on the first PCBA, be provided with the distance beam LED light source on the second PCBA.

According to the utility model discloses an embodiment, be provided with the short-distance beam connector who is used for the switch on the first PCBA, be provided with the distance beam connector who is used for the switch on the second PCBA.

According to the utility model discloses an embodiment, the radiator with be provided with the heat conduction lipid layer between the first PCBA, the radiator with be provided with the heat conduction lipid layer between the second PCBA.

According to the utility model discloses an embodiment, a plurality of flaky heat dissipation posts have been arranged to the rear end of radiator, are equipped with the clearance between two adjacent flaky heat dissipation posts.

According to the utility model discloses an embodiment, the rear end of radiator is fixed with the fan through the screw.

According to the utility model discloses an embodiment, the second inner lamp cover the stationary blade with second PCBA passes through the fix with screw the front end of radiator.

According to the utility model discloses an embodiment, convex lens's rear end is provided with interior bayonet catch, convex lens passes through interior bayonet catch card is established fixedly lens support's front end.

According to the utility model discloses an embodiment, the lens support with still be provided with the lens hood in the space that the radiator combination formed, the front end of lens hood is provided with the reference column, the lens hood passes through the reference column pre-installation is in the rear end of lens support.

According to an embodiment of the present invention, the lens holder is fixed to the heat sink by screws.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of an assembly structure of the present invention;

FIG. 2 is a schematic view of the exploded structure of the present invention;

fig. 3 is a schematic sectional structure of the present invention;

FIG. 4 is a schematic view of a convex lens structure;

FIG. 5 is a schematic structural view of a second inner lampshade;

fig. 6 is a light type simulation diagram according to the present invention.

Reference numbers in the drawings: 1. a convex lens; 101. a microstructure; 2. a lens holder; 3. a light shield; 4. a first inner lamp cover; 5. a second inner lamp shade; 501. a light incident surface; 502. a light emitting surface; 6. a fixing sheet; 7. a low beam baffle; 8. a first PCBA; 9. a second PCBA; 10. a heat sink; 11. a fan; 12. a low beam connector; 13. a high beam connector; 14. a low beam LED light source; 15. a high beam LED light source.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The softened dual-light-gradient ellipsoidal light module according to the embodiment of the present invention is described in detail below with reference to the accompanying drawings.

See fig. 1, fig. 2, fig. 3 and fig. 4, the utility model discloses a two light gradient's of gentle ellipsoid light module, including lens support 2, install at the convex lens 1 of lens support 2 front ends and install the radiator 10 at lens support 2 rear ends, be provided with first interior lamp shade 4 in the space that lens support 2 and radiator 10 combination formed, lamp shade 5 in the second, stationary blade 6, passing light baffle 7, first PCBA8 and second PCBA9, convex lens 1, first interior lamp shade 4, lamp shade 5 in the second, stationary blade 6, passing light baffle 7, two optical system are constituteed to first PCBA8 and second PCBA9, can realize the ADB high beam of ideal, passing light type.

Wherein, the convex lens 1, the second inner lampshade 5, the fixing sheet 6, the low beam baffle 7 and the second PCBA9 form a high beam optical system. The convex lens 1, the first inner globe 4, the low-beam baffle 7, and the first PCBA8 constitute a low-beam optical system.

The fixing piece 6 is used for fixing the light incident surface 501 of the second inner lampshade 5.

Lamp shade 5 is two-colored inserted iron piece injection structure of silica gel mold insert in the second, specifically, lamp shade 5 is moulded plastics by silica gel spare and PBT mixed inserted iron piece and is formed.

The second inner lampshade 5 is composed of a single row of a plurality of irregular needle-shaped light-in surfaces 501 and a light-out surface 502 forming cut-off lines, and the second inner lampshade 5 and the low-beam baffle 7 are matched to form a low-beam cut-off line and a high-beam light type.

The utility model discloses a two light gradient's of softening ellipsoid light module, the cut-off line design of nearly light is on lamp shade 5 in the second, has eliminated the layering phenomenon of far and near light among the two light module mechanisms of tradition, and it is poor at the gradient of concatenation department to soften far and near light, has greatly weakened the two light gradient of whole ellipsoid mechanism promptly, has guaranteed that the driver traveles night occasionally better driving illumination experience, has improved the security that the driver drove night.

The self-adaptive lighting device adopting the softened double-light-gradient ellipsoidal light module realizes a plurality of stable light source display subsections, the number of the light source display subsections is less than or equal to 17, dazzling of pedestrians or opposite drivers is avoided, and night traffic accidents are effectively reduced.

According to one embodiment of the present invention, the second inner lamp cover 5, the fixing piece 6 and the second PCBA9 are fixed at the front end of the heat sink 10 by screws. The low beam baffle 7 is heat riveted to the second inner bulb 5. The first inner lamp cover 4 and the first PCBA8 are also fixed to the front end of the heat sink 10 by screws. The lens holder 2 is fixed to the heat sink 10 by screws.

According to the utility model discloses an embodiment, lens support 2 is PC lens support, and the front end of lens support 2 is provided with the interior card foot of being convenient for install convex lens 1, is provided with the locating pin of being convenient for install lens hood 3 and radiator 10 on the rear portion turn-ups of lens support 2.

According to the utility model discloses an embodiment, still be provided with lens hood 3 in the space that lens support 2 and radiator 10 combination formed, the front end of lens hood 3 is provided with the reference column, and lens hood 3 is through the locating pin pre-installation riveting on the turn-ups in lens support 2 rear portion at lens support 2 rear ends. The lens hood 3 is made of metal materials, the phenomenon that the lens bracket 2 is ablated by sunlight focused by the convex lens 1 is effectively avoided, the surface of the lens hood 3 is subjected to black spraying treatment, and stray light generated by reflection of the lens hood 3 when the self-adaptive lighting device is lightened is avoided. The hole sites are arranged on the light shield 3, so that the light shield 3 and the lens support 2 can be conveniently positioned.

According to the utility model discloses an embodiment, the front end of lens hood 3 is provided with the reference column, and lens hood 3 passes through the rear end of reference column pre-installation riveting at lens support 2.

According to the utility model discloses an embodiment, convex lens 1's rear end is provided with the inside callipers foot, and convex lens 1 establishes the front end of fixing at lens support 2 through the inside callipers foot card.

According to the utility model discloses an embodiment, convex lens 1 is glass lens or plastic lens, has increased the high nonuniform micro-structure 101 of shape on convex lens 1's the anterior curved surface, and this micro-structure 101's effect produces three light source and shows the subregion. Alternatively, microstructures 101 with inconsistent structural depth are added to the front curved surface of the convex lens 1.

According to the utility model discloses an embodiment, first PCBA8 is aluminium base board, has the locating hole on first PCBA8, is provided with the locating pin on first PCBA8, through the locating pin with the locating hole on first PCBA8 respectively with radiator 10 and first inner light cover 4 location; a low-beam LED light source 14 is provided on the first PCBA8, and a low-beam connector 12 for turning on the power is provided on the first PCBA 8.

The second PCBA9 is an aluminum substrate, the second PCBA9 is provided with positioning holes, the second PCBA9 is provided with positioning pins, and the positioning holes in the second PCBA9 are respectively positioned with the heat sink 10 and the second inner lampshade 5 through the positioning pins; the second PCBA9 is provided with a high beam LED light source 15, and the second PCBA9 is provided with a high beam connector 13 for connection to a power supply.

According to an embodiment of the present invention, a thermally conductive grease layer is provided between the heat sink 10 and the first PCBA8 to facilitate heat dissipation between the heat sink 10 and the first PCBA 8. A layer of thermally conductive grease is provided between the heat sink 10 and the second PCBA9 to facilitate heat dissipation between the heat sink 10 and the second PCBA 9.

According to the utility model discloses an embodiment, radiator 10 is the die casting, and radiator 10's material is ADC12, and a plurality of flaky heat dissipation posts have been arranged to radiator 10's rear end, are equipped with specific clearance between two adjacent flaky heat dissipation posts. The front part of the heat sink 10 is a PCB mounting plane on which positioning posts for mounting the first PCBA8 and the second PCBA9 are arranged, and the rear part of the heat sink 10 is provided with fixing points for mounting the fan 11.

According to the utility model discloses an embodiment, the rear end of radiator 10 is fixed with fan 11 that is used for the heat dissipation through the fix with screw, and fan 11 passes through the fix with screw in the rear end of radiator 10 promptly to the heat dissipation of the ellipsoid light module group of two optical gradients of softening.

The radiator 10 is arranged behind the LED light source, and the fan 11 is adopted, so that heat can be discharged smoothly, a good radiating effect is achieved, heat accumulation is avoided, the headlamp is ensured to be in a safe and stable working environment, and the service life of the headlamp and the driving safety are improved.

The utility model discloses a two light gradient's of gentle change ellipsoid light module concrete installation is: firstly, after heat conduction grease is coated on a mounting plane of the radiator 10, the first PCBA8 and the second PCBA9 are preassembled through positioning pins of the radiator 10 and fixed through screws, then the low-beam baffle 7 is hot riveted on the second inner lampshade 5, the fixing piece 6 and the second PCBA9 are preassembled through the positioning pins on the second inner lampshade 5, then the low-beam baffle 7, the fixing piece 6 and the second PCBA9 are riveted and fixed through screws, then the fan 10 is fixed to the rear end of the radiator 10 through four screws, then the convex lens 1 and the lens support 2 are assembled through inner clamping pins, the convex lens 1 is fixed at the front end of the lens support 2, then the light shield 3 is pre-positioned through the positioning pins at the rear part of the lens support 2, and finally the fixing is riveted and fixed through the positioning pins at the rear end of the lens support 2.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a two optical gradient's of gentle ization ellipsoid light module which characterized in that: comprises a lens bracket (2), a convex lens (1) arranged at the front end of the lens bracket (2) and a radiator (10) arranged at the rear end of the lens bracket (2), a first inner lampshade (4), a second inner lampshade (5), a fixing sheet (6), a low beam baffle (7), a first PCBA (8) and a second PCBA (9) are arranged in a space formed by combining the lens support (2) and the radiator (10), the convex lens (1), the first inner lampshade (4), the second inner lampshade (5), the fixing sheet (6), the low beam baffle (7), the first PCBA (8) and the second PCBA (9) form a double-light optical system, the second inner lampshade (5) is composed of a plurality of irregular needle-shaped light-in surfaces (501) in a single row and a light-out surface (502) forming a cut-off line, lampshade (5) and passing light baffle (7) cooperation form passing light cut-off line and high beam light type in the second.

2. The softened dual optical gradient ellipsoidal light module of claim 1, wherein: be provided with short-distance beam LED light source (14) on first PCBA (8), be provided with distance beam LED light source (15) on second PCBA (9).

3. The softened dual optical gradient ellipsoidal light module of claim 1, wherein: be provided with on first PCBA (8) and be used for switching on the passing beam connector (12) of power, be provided with on second PCBA (9) and be used for switching on the distance light connector (13) of power.

4. The softened dual optical gradient ellipsoidal light module of claim 1, wherein: a heat conducting grease layer is arranged between the radiator (10) and the first PCBA (8), and a heat conducting grease layer is arranged between the radiator (10) and the second PCBA (9).

5. The softened dual optical gradient ellipsoidal light module of claim 1, wherein: the rear end of the radiator (10) is provided with a plurality of flaky radiating columns, and a gap is formed between every two adjacent flaky radiating columns.

6. The softened dual optical gradient ellipsoidal light module of claim 1, wherein: the rear end of the radiator (10) is fixed with a fan (11) through screws.

7. The softened dual optical gradient ellipsoidal light module of claim 1, wherein: the second inner lampshade (5), the fixing piece (6) and the second PCBA (9) are fixed at the front end of the radiator (10) through screws.

8. The softened dual optical gradient ellipsoidal light module of claim 1, wherein: the rear end of the convex lens (1) is provided with an inner clamping pin, and the convex lens (1) is clamped and fixed at the front end of the lens support (2) through the inner clamping pin.

9. The softened dual optical gradient ellipsoidal light module of claim 1, wherein: a light shield (3) is further arranged in a space formed by combining the lens support (2) and the radiator (10), a positioning column is arranged at the front end of the light shield (3), and the light shield (3) is pre-installed at the rear end of the lens support (2) through the positioning column.

10. The softened dual optical gradient ellipsoidal light module of claim 1, wherein: the lens support (2) is fixed on the heat radiator (10) through screws.