CN111140818A

CN111140818A - Automobile-used lighting device and car

Info

Publication number: CN111140818A
Application number: CN202010066901.6A
Authority: CN
Inventors: 钟观香; 金小宝; 曾大为
Original assignee: Jiangxi Luye Auto Lighting Co ltd
Current assignee: Jiangxi Luye Auto Lighting Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-05-12

Abstract

The invention provides a vehicle lighting device, which comprises a light source and a lens, wherein the lens is provided with an incident surface and an emergent surface, the light source is arranged on one side of the incident surface, which is opposite to the emergent surface, the emergent surface is a convex annular surface, the incident surface is used for refracting emergent rays of the light source, and the emergent surface is used for refracting the emergent rays refracted by the incident surface to a mark surface of a license plate of a vehicle.

Description

Automobile-used lighting device and car

Technical Field

The invention belongs to the technical field of vehicles, and particularly relates to a vehicle lighting device and a vehicle.

Background

The license plate lamp is arranged on the vehicle and is used for enabling marks of a license plate of the vehicle to be clearly seen so as to meet the requirements of traffic regulations. The requirements of traffic regulations specify: the license plate indicia must be visible within 20 meters of normal vision at night. At present, the light source of license plate lamp is established to a plurality of LED usually, not only leads to the manufacturing cost of license plate lamp higher, need set up great space in order to make things convenient for the license plate lamp to install and dispel the heat on the car moreover.

Disclosure of Invention

One of the objectives of the present invention is to provide a lighting device for a vehicle, so as to solve the technical problems that the light source of the license plate lamp in the prior art is usually set as a plurality of LEDs, which not only results in higher production cost of the license plate lamp, but also requires a larger space on the vehicle to facilitate installation and heat dissipation of the license plate lamp.

In order to realize one of the purposes, the invention adopts the technical scheme that: the utility model provides a vehicle lighting device, includes light source and lens, lens have incident surface and exit surface, the light source sets up the back of incident surface one side of exit surface, the exit surface is established to evagination annular surface, the incident surface is used for the refraction the emergent ray of light source, the exit surface be used for with the emergent ray of incident surface refraction refracts the mark face of the license plate of car.

The lighting device for the vehicle has the beneficial effects that: compared with the prior art, the light source does not need to adopt a plurality of LEDs, and the production cost of the lighting device for the vehicle is reduced. The automobile lighting device has low heat productivity in the using process, so that a large space for installation and heat dissipation is not required to be designed on an automobile provided with the automobile lighting device, the size of a light source is reduced, the size of the automobile lighting device is reduced, and the universality of the automobile lighting device is improved. Because the emergent light of the light source is refracted through the incident surface and the emergent surface respectively, the incident surface and the emergent surface are matched to achieve the effect of reducing the proportion of the emergent light towards invalid angles, the vehicular illuminating device can enable the mark surface of the license plate to obtain light spots which are good in uniformity and wider in distribution, and the dispersion of the vehicular illuminating device is reduced. The lighting device for the vehicle greatly improves the utilization rate of the light source.

Further, the lens is a glass mirror, a PMMA mirror or a PC mirror.

Further, the lighting device for the vehicle further comprises a first optical refraction pattern, and the first optical refraction pattern is arranged on the lens and is positioned on the incident surface.

Further, the lighting device for the vehicle further comprises a second optical refraction pattern, and the second optical refraction pattern is arranged on the lens and is positioned on the emergent surface.

Further, the incident surface is an arc-shaped annular surface.

Further, the automotive lighting device comprises an installation assembly, the light source is set as an LED, the lens can be detachably connected to the installation assembly, an installation cavity is formed in the installation assembly, the LED can be detachably connected to the installation cavity, the wiring terminal of the LED penetrates through the installation assembly, and emergent rays of the LED penetrate to the incident surface through the installation assembly.

Further, the automotive lighting device further comprises a wiring protective sleeve, the wiring protective sleeve is fixed on the mounting assembly, and the wiring terminal penetrates through the wiring protective sleeve.

Further, the mounting assembly comprises a mounting seat and a protective cover, a groove is formed in the mounting seat, the protective cover is detachably connected to the mounting seat, and the protective cover covers the opening of the groove and forms the mounting cavity between the grooves.

Further, the protective cover is a transparent plate, and the transparent plate and the lens are integrally arranged.

The second purpose of the invention is to provide a vehicle, in order to realize the second purpose, the invention adopts the technical scheme that: a vehicle is provided, which comprises the vehicle lighting device.

The beneficial effects of the vehicle provided by the invention are as follows: compared with the prior art, the license plate illumination on the vehicle meets the requirements of traffic laws and regulations. The lighting device for the vehicle has lower energy consumption, thereby reducing the energy consumption of the vehicle and leading the use of the vehicle to be more energy-saving.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a first schematic optical path diagram of an illumination device for a vehicle according to an embodiment of the present invention;

fig. 2 is a second schematic optical path diagram of an illumination device for a vehicle according to an embodiment of the present invention;

fig. 3 is an exploded schematic view of a lighting device for a vehicle according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1. a light source; 11. an LED; 111. a wiring terminal; 2. a lens; 21. an incident surface; 22. an exit surface; 31. a mounting cavity; 32. a mounting seat; 321. a groove; 33. a protective cover; 331. a light-transmitting hole; 34. mounting a column; 35. reinforcing ribs; 36. a positioning member; 4. a wiring protective sleeve; 5. and (4) screws.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, 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 specifically defined otherwise.

Referring to fig. 1 to 3, a lighting device for a vehicle according to the present invention will now be described. A vehicle lighting device comprises a light source 1 and a lens 2, wherein the lens 2 is provided with an incident surface 21 and an emergent surface 22, the light source 1 is arranged on one side of the incident surface 21, which is opposite to the emergent surface 22, the emergent surface 22 is a convex annular surface, the incident surface 21 is used for refracting emergent rays of the light source 1, and the emergent surface 22 is used for refracting the emergent rays refracted by the incident surface 21 to a mark surface of a license plate of a vehicle.

Compared with the prior art, the lighting device for the vehicle, provided by the invention, has the advantages that the light source 1 does not need to adopt a plurality of LEDs, and the production cost of the lighting device for the vehicle is reduced. The automobile lighting device has low heat productivity in the using process, so that a larger space for installation and heat dissipation is not required to be designed on an automobile provided with the automobile lighting device, the size of the light source 1 is reduced, the size of the automobile lighting device is reduced, and the universality of the automobile lighting device is improved. Because the emergent light of the light source 1 is refracted through the incident surface 21 and the emergent surface 22 respectively, the incident surface 21 and the emergent surface 22 are matched to achieve the effect of reducing the proportion of the emergent light towards invalid angles, the vehicle illuminating device can enable the mark surface of the license plate to obtain light spots which are good in uniformity and wider in distribution, and the dispersion of the vehicle illuminating device is reduced. The lighting device for a vehicle greatly improves the utilization rate of the light source 1.

Further, referring to fig. 1 to 3 together, as an embodiment of the lighting device for a vehicle provided by the present invention, the lens 2 is a glass mirror, a PMMA mirror or a PC mirror, and the glass mirror, the PMMA mirror or the PC mirror has a light weight, so that the refraction efficiency of the emergent light at the lens 2 is improved, and the dispersion ratio is reduced.

Further, referring to fig. 1 to 3 together, as an embodiment of the lighting device for a vehicle provided by the present invention, the light source 1 is an LED or a bulb 11, and the light source 1 is an LED11 or a bulb with a simple structure, so as to reduce the weight of the lighting device for a vehicle and reduce the production cost of the lighting device for a vehicle.

Further, referring to fig. 1 to 3, as an embodiment of the present invention, the lighting device for vehicle further includes a first optical refraction pattern (not shown), which is disposed on the lens 2 and located on the incident surface 21, and the first optical refraction pattern improves the refraction efficiency of the incident surface 21, so that the lighting device for vehicle obtains wider light spots on the mark surface of the license plate.

Specifically, the first optical refraction pattern is designed as a tooth-shaped pattern, a dermatoglyph or a checkered pattern.

Further, referring to fig. 1 to 3, as an embodiment of the lighting device for a vehicle provided by the present invention, the lighting device for a vehicle further includes a second optical refraction pattern (not shown), which is disposed on the lens 2 and located on the exit surface 22.

The second optical refraction pattern improves the refraction efficiency of the emergent surface 22, so that the incident surface 21 and the emergent surface 22 are matched together, and the automobile illuminating device obtains light spots distributed widely on the mark surface of the license plate.

Specifically, the second optical refraction pattern is designed as a dentate pattern, a dermatoglyph or a checkered pattern.

Further, referring to fig. 1 to fig. 3, as an embodiment of the lighting device for a vehicle provided by the present invention, the incident surface 21 is an arc-shaped annular surface.

The arc-shaped annular surface improves the refraction efficiency of the incident surface 21, so that the incident surface 21 and the emergent surface 22 are matched together, and the automotive lighting device can obtain light spots distributed more widely on the mark surface of the license plate.

Specifically, the arc-shaped annular surface is a concave annular surface, which further improves the refraction efficiency of the incident surface 21.

Further, referring to fig. 1 to 3 together, as an embodiment of the lighting device for a vehicle provided by the present invention, the lighting device for a vehicle includes a mounting assembly, the light source 1 is an LED11, the lens 2 is detachably connected to the mounting assembly, the mounting assembly is provided with a mounting cavity 31, the LED11 is detachably connected in the mounting cavity 31, the connection terminal 111 of the LED11 passes through the mounting assembly, and the emergent light of the LED11 passes through the mounting assembly to reach the incident surface 21.

The mounting assembly is conveniently fixed on the vehicle body. The smaller size of the LEDs 11 facilitates reducing the size of the mounting cavity 31 and, thus, the size of the mounting assembly. The wiring terminal 111 facilitates wiring of the LED11 outside the mounting assembly, and improves the mounting convenience of the vehicle lighting device. Lens 2 demountable connection is on the installation component, when lens 2 takes place to damage, is convenient for change lens 2, improves automobile-used lighting device's maintenance convenience. The LED11 is detachably connected to the mounting assembly, so that the LED11 can be replaced conveniently when the LED11 is damaged, and the maintenance convenience of the vehicle lighting device is improved.

Further, referring to fig. 1 to fig. 3, as an embodiment of the lighting device for a vehicle provided by the present invention, the lighting device for a vehicle further includes a wiring protective sleeve 4, the wiring protective sleeve 4 is fixed on the mounting assembly, and the wiring terminal 111 is inserted through the wiring protective sleeve 4.

Wiring protective sheath 4 is fixed on the installation component and some binding post 111 are located wiring protective sheath 4, and at the in-process of binding post 111 wiring, the binding post 111 that is located wiring protective sheath 4 is difficult for taking place to rock, makes binding post 111 be difficult for taking place to damage.

Further, referring to fig. 1 to fig. 3, as an embodiment of the present invention, the mounting assembly includes a mounting base 32 and a protection cover 33, the mounting base 32 is provided with a groove 321, the protection cover 33 is detachably connected to the mounting base 32, and the protection cover 33 covers an opening of the groove 321 and forms a mounting cavity 31 with the groove 321.

When it is desired to replace the LED11, the protective cover 33 is removed from the mounting block 32, and a new LED11 is then removed and installed. The mounting assembly is simple in structure and very practical.

Specifically, the lens 2 is detachably fixed to the protective cover 33. When the lens 2 needs to be replaced, the protective cover 33 is separated from the mounting seat 32, and then the lens 2 on the protective cover 33 is replaced, so that convenience in replacing the lens 2 is improved.

Preferably, the protective cover 33 is provided with a light hole 331, the incident surface 21 of the lens 2 faces the light hole 331, and the emergent light passes through the light hole 331 and is incident on the incident surface 21.

Specifically, the LED11 is removably attached within the recess 321. Preferably, the LED11 is secured within the recess 321 by screws 5. Preferably, the mounting assembly further comprises a mounting post 34 and a reinforcing rib 35, the mounting post 34 is disposed in the groove 321, the mounting post 34 is connected with the screw 5, and the reinforcing rib 35 is located between the mounting post 34 and the side wall of the groove 321. The ribs 35 are secured to the mounting posts 34, the side walls of the recess 321 and the bottom wall of the recess 321. Further preferably, the mounting post 34 is integrally connected to the mounting seat 32, and the reinforcing rib 35 is integrally connected to the mounting seat 32.

Specifically, the wattage of the LED11 is set to 0.2W, and the LED11 can be normally used under the normal temperature and the voltage of 13.5V, and the service life is not less than 20000 h.

Further, referring to fig. 1 to fig. 3, as an embodiment of the lighting device for a vehicle provided by the present invention, the mounting assembly further includes opposite positioning members 36, the LED11 is located between the opposite positioning members 36, and the positioning members 36 are fixed in the recess 321.

The positioning piece 36 plays a positioning role, so that the LED11 is ensured to be arranged opposite to the lens 2, and the convenience of installing the LED11 is improved.

Specifically, the positioning member 36 is integrally connected with the mount 32.

Further, as a specific embodiment of the lighting device for a vehicle according to the present invention, the protective cover 33 is a transparent plate provided integrally with the lens 2.

The lens 2 and the transparent plate are integrally formed, so that the production efficiency of the vehicle lighting device is improved.

Specifically, the light emitting portion of the LED11 is abutted against the transparent plate and faces the incident surface 21 of the lens 2, so that a large amount of the outgoing light from the light source 1 enters the lens 2.

The invention further provides a vehicle, and the vehicle lighting device is adopted.

Compared with the prior art, the license plate illumination on the vehicle meets the requirements of traffic regulations. The lighting device for the vehicle has lower energy consumption, thereby reducing the energy consumption of the vehicle and leading the use of the vehicle to be more energy-saving.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a vehicle lighting device, includes the light source, its characterized in that still includes lens, lens have incident surface and exit surface, the light source sets up the dorsad of incident surface one side of exit surface, the exit surface is established to evagination annular surface, the incident surface is used for the refraction the emergent ray of light source, the exit surface be used for with the emergent ray of incident surface refraction refracts the mark face of the license plate of car.

2. A vehicular illumination device according to claim 1, wherein said lens is a glass mirror, a PMMA mirror or a PC mirror.

3. The vehicular illumination device according to claim 1, further comprising a first optical refractive pattern provided on the lens and located on the incident surface.

4. A vehicular lighting device according to claim 3, further comprising a second optical refractive pattern provided on said lens and located on said exit surface.

5. The vehicular illumination device according to claim 4, wherein the incident surface is provided as an arc-shaped annular surface.

6. The lighting device as claimed in claim 1, wherein the lighting device comprises a mounting assembly, the light source is an LED, the lens is detachably connected to the mounting assembly, a mounting cavity is formed in the mounting assembly, the LED is detachably connected to the mounting cavity, the connecting terminal of the LED passes through the mounting assembly, and the emergent light of the LED is emitted to the incident surface through the mounting assembly.

7. The lighting device for vehicle as claimed in claim 6, further comprising a wiring protective sleeve, wherein the wiring protective sleeve is fixed on the mounting component, and the wiring terminal is inserted into the wiring protective sleeve.

8. The lighting device as claimed in claim 7, wherein the mounting assembly comprises a mounting base and a protection cover, the mounting base is provided with a groove, the protection cover is detachably connected to the mounting base, the protection cover covers an opening of the groove and forms the mounting cavity with the groove.

9. A vehicular illumination device according to claim 8, wherein said protective cover is provided as a transparent plate provided integrally with said lens.

10. A vehicle comprising a vehicle lighting device as claimed in any one of claims 1 to 9.