CN214745199U

CN214745199U - Vehicle-mounted reading lamp lens system capable of adjusting light

Info

Publication number: CN214745199U
Application number: CN202120922190.8U
Authority: CN
Inventors: 南基学
Original assignee: Yejia Optical Technology Guangdong Corp
Current assignee: Yejia Optical Technology Guangdong Corp
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-16
Anticipated expiration: 2031-04-29

Abstract

The utility model provides a vehicle-mounted reading lamp lens system capable of adjusting light, which comprises a light source, wherein a condensing lens, a light guide lens and a light transmission panel are sequentially arranged on one side of the light emitting surface of the light source, and the light guide lens is a cylindrical lens; a first light-transmitting sleeve is fixed outside one end of the light-guiding lens, which is close to the condensing lens, a rotary seat is arranged outside the first light-transmitting sleeve, a limiting groove with a spherical groove surface is arranged in the rotary seat, the outer surface of the first light-transmitting sleeve is spherical, and the first light-transmitting sleeve is rotatably connected in the limiting groove; a second light-transmitting sleeve is fixed outside one end, close to the light-transmitting panel, of the light-guiding lens, a light-adjusting ring is arranged outside the second light-transmitting sleeve, a clamping hole is formed in the light-adjusting ring, and the second light-transmitting sleeve is located in the clamping hole. The utility model discloses can effectively restrict the beam angle of final outgoing light, can form the less light distribution effect of beam angle, can adjust light through rotatory leaded light lens and make its direction outgoing with the slope, can carry out the efficient illumination to the target area of difference.

Description

Vehicle-mounted reading lamp lens system capable of adjusting light

Technical Field

The utility model relates to an optical lens system specifically discloses a vehicle-mounted reading lamp lens system that can adjust luminance.

Background

The vehicle-mounted reading lamp is an illuminating structure which can provide sufficient brightness for passengers to read in a vehicle when light in the vehicle is insufficient, and the vehicle-mounted reading lamp is generally arranged on the top in the vehicle.

In the prior art, the vehicle-mounted reading lamp usually comprises a light source, a lamp holder and a transparent panel, light emitted by the light source directly penetrates through the transparent panel to reach the interior of the vehicle, when the vehicle-mounted reading lamp works, although a relatively large-range lighting effect can be provided for passengers, the vehicle-mounted reading lamp cannot be used in the driving process, otherwise, the light emitted by the vehicle-mounted reading lamp can be reflected at the positions of window glass, front windshield glass and the like, and the visual field of a driver is easily influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a dimmable vehicle-mounted reading lamp lens system for solving the problems in the prior art, which can form a light distribution effect with a small beam angle and can adjust the light to exit in an inclined direction.

In order to solve the prior art problem, the utility model discloses a vehicle-mounted reading lamp lens system capable of adjusting light, which comprises a light source, wherein a condensing lens, a light guide lens and a light transmission panel are sequentially arranged on one side of the light emitting surface of the light source, the optical axis of the condensing lens passes through the center of the light source and the center of the light transmission panel, the light guide lens is a cylindrical lens, and the condensing lens and the light transmission panel are respectively positioned outside the two ends of the light guide lens;

a first light-transmitting sleeve is fixed outside one end, close to the condensing lens, of the light-guiding lens, the refractive index of the first light-transmitting sleeve is smaller than that of the light-guiding lens, a rotary seat is arranged outside the first light-transmitting sleeve, a limiting groove with a spherical groove surface is arranged in the rotary seat, the outer surface of the first light-transmitting sleeve is spherical, and the first light-transmitting sleeve is rotatably connected in the limiting groove;

the light guide lens is close to the one end external fixation of printing opacity panel and is had the second printing opacity cover, and the refracting index of second printing opacity cover is less than the refracting index of light guide lens, and the second printing opacity cover is equipped with the light modulation ring outward, is equipped with the screens hole in the light modulation ring, and the second printing opacity cover is located the screens hole.

Furthermore, the back of the light source is sequentially provided with a ceramic plate and a circuit board, and the ceramic plate is provided with a wiring yielding hole.

Further, the condensing lens is a fresnel lens.

Furthermore, the inner wall of the limiting groove is covered with an anti-skid layer.

Furthermore, a pushing block is fixed on one side of the dimming ring away from the condensing lens.

Further, the surface of the light-transmitting panel is provided with a light-homogenizing layer.

The utility model has the advantages that: the utility model discloses a vehicle-mounted reading lamp lens system of can adjusting luminance, through the cylindric leaded light lens of condensing lens cooperation, can effectively restrict the beam angle of final emergent light, can form the less grading effect of beam angle, can avoid the light to disperse everywhere and influence driver's field of vision, in addition, can adjust light through rotatory leaded light lens and make its direction outgoing with the slope, can carry out the efficient illumination to the target area of difference, the leaded light lens of being adjusted is in income plain noodles one side of printing opacity panel, the outline that overall structure constitutes is regular stable, be applied to vehicle-mounted reading lamp and can not influence appearance structure.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the light path during dimming according to the present invention.

The reference signs are: the light source 10, the circuit board 11, the ceramic board 12, the wiring abdicating hole 121, the condenser lens 20, the light guide lens 30, the first light-transmitting sleeve 31, the rotary seat 32, the limiting groove 321, the anti-slip layer 322, the second light-transmitting sleeve 33, the light adjusting ring 34, the push block 342, the clamping hole 341, the light-transmitting panel 40, and the light uniformizing layer 41.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

Refer to fig. 1 and 2.

The embodiment of the utility model discloses on-vehicle reading lamp lens system of can adjusting luminance, as shown in fig. 1, including light source 10, preferably, light source 10 is LED lamp pearl, light emitting area one side of light source 10 is equipped with condensing lens 20, light guide lens 30 and the printing opacity panel 40 that have positive focal power in proper order, the center of light source 10 and the center of printing opacity panel 40 are passed to the optical axis of condensing lens 20, the center of light guide lens 30 can be passed to the optical axis of condensing lens 20, light guide lens 30 is cylindric lens, namely light guide lens 30 is the leaded light post, condensing lens 20 and printing opacity panel 40 are located respectively outside the both ends of light guide lens 30;

a first light-transmitting sleeve 31 is fixedly sleeved outside one end, close to the condenser lens 20, of the light guide lens 30, the first light-transmitting sleeve 31 is of a ring sleeve structure supported by light-transmitting materials such as PMMA (polymethyl methacrylate) or glass, the refractive index of the first light-transmitting sleeve 31 is smaller than that of the light guide lens 30, the first light-transmitting sleeve 31 can be guaranteed not to influence the total reflection effect in the light guide lens 30, a rotary seat 32 is arranged outside the first light-transmitting sleeve 31, a limiting groove 321 with a spherical groove surface is formed in the rotary seat 32, the outer surface of the first light-transmitting sleeve 31 is spherical, the first light-transmitting sleeve 31 is rotatably connected in the limiting groove 321, and the first light-transmitting sleeve 31 can rotate in different angles in the limiting groove 321;

a second light-transmitting sleeve 33 is fixedly sleeved on one end of the light guide lens 30 close to the light-transmitting panel 40, the second light-transmitting sleeve 33 is of a ring sleeve structure supported by light-transmitting materials such as PMMA or glass, the refractive index of the second light-transmitting sleeve 33 is smaller than that of the light guide lens 30, it can be ensured that the light adjusting effect of total internal reflection of the light guide lens 30 cannot be influenced by the second light-transmitting sleeve 33, a light adjusting ring 34 is arranged outside the second light-transmitting sleeve 33, the light adjusting ring 34 is located above the plane where the light-transmitting panel 40 is located, a clamping hole 341 is arranged in the light adjusting ring 34, the second light-transmitting sleeve 33 is located in the clamping hole 341, the position of the light guide lens 30 is adjusted by the light adjusting ring 34 through the second light-transmitting sleeve 33, the influence of the light adjusting ring 34 on the performance of the light guide lens 30 can be effectively avoided, preferably, the inner wall of the clamping hole 341 is an arc surface, and the smoothness of adjustment can be effectively improved.

The utility model discloses during operation, the light that light source 10 sent gets into in light guide lens 30 after condenser lens 20 is closed, and partial light takes place the total reflection at light guide lens 30's lateral wall, and the part then directly passes through light guide lens 30's both ends, and is emergent from light-transmitting panel 40 at last to obtain the grading effect that the beam angle is little, can avoid light to window glass or front windshield emission in the car, thereby can effectively avoid the reflected light to cause the influence to driver's field of vision; when the illumination is needed to be realized to a specific position, as shown in fig. 2, the dimming ring 34 is pushed, the bottom end of the light-transmitting lens can move through the second light-transmitting sleeve 33, the first light-transmitting sleeve 31 rotates in the limiting groove 321, so that the light-guiding lens 30 is inclined, the inclined light-guiding lens 30 can reflect part of light to one side, a good dimming effect is obtained, the appearance of the vehicle-mounted reading lamp cannot be influenced after the adjustment, and the outer contour formed by the overall structure is regular and stable.

In this embodiment, the back of the light source 10 is sequentially provided with the ceramic plate 12 and the circuit board 11, the ceramic plate 12 is provided with the wire-connecting receding hole 121, the electrode on the back of the light source 10 passes through the wire-connecting receding hole 121 through a conductive structure such as a lead wire and then is connected to the circuit of the circuit board 11, and the ceramic plate 12 can effectively improve the heat dissipation effect of the light source 10, thereby ensuring the performance thereof.

In this embodiment, the condensing lens 20 is a fresnel lens, and the volume of the reading lamp lens system can be effectively reduced by the fresnel lens.

In this embodiment, the inner wall of the limiting groove 321 is covered with an anti-slip layer 322, preferably, the anti-slip layer 322 is a rubber layer, the positioning effect on the first light-transmitting sleeve 31 can be effectively improved by the anti-slip layer 322, and after the rotation dimming is performed, the position of the light guide lens 30 can be ensured to be stable and not to be deviated.

In the embodiment, a push block 342 is fixed on a side of the light adjusting ring 34 away from the condenser lens 20, and the light adjusting ring 34 is controlled by the push block 342, so that the operation of a user can be facilitated.

In the present embodiment, the light homogenizing layer 41 is disposed on the surface of the light transmitting panel 40, preferably, the light homogenizing layer 41 is a frosted layer, which can prevent the light finally emitted from causing glare on human eyes, and the light homogenizing layer 41 is located on one side of the light transmitting panel 40 close to the light guiding lens 30, which can prevent the light homogenizing layer 41 from being affected by an external adverse environment.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The vehicle-mounted reading lamp lens system capable of adjusting light is characterized by comprising a light source (10), wherein a condensing lens (20), a light guide lens (30) and a light transmitting panel (40) are sequentially arranged on one side of the light emitting surface of the light source (10), the optical axis of the condensing lens (20) penetrates through the center of the light source (10) and the center of the light transmitting panel (40), the light guide lens (30) is a cylindrical lens, and the condensing lens (20) and the light transmitting panel (40) are respectively positioned outside the two ends of the light guide lens (30);

a first light-transmitting sleeve (31) is fixed outside one end, close to the condenser lens (20), of the light guide lens (30), the refractive index of the first light-transmitting sleeve (31) is smaller than that of the light guide lens (30), a rotary seat (32) is arranged outside the first light-transmitting sleeve (31), a limiting groove (321) with a spherical groove surface is arranged in the rotary seat (32), the outer surface of the first light-transmitting sleeve (31) is spherical, and the first light-transmitting sleeve (31) is rotatably connected in the limiting groove (321);

a second light-transmitting sleeve (33) is fixed outside one end, close to the light-transmitting panel (40), of the light-transmitting lens (30), the refractive index of the second light-transmitting sleeve (33) is smaller than that of the light-transmitting lens (30), a light adjusting ring (34) is arranged outside the second light-transmitting sleeve (33), a clamping hole (341) is formed in the light adjusting ring (34), and the second light-transmitting sleeve (33) is located in the clamping hole (341).

2. A dimmable vehicle reading light lens system according to claim 1, wherein a ceramic board (12) and a circuit board (11) are sequentially disposed on the back of the light source (10), and a wiring relief hole (121) is disposed in the ceramic board (12).

3. A dimmable vehicle reading light lens system as claimed in claim 1, wherein the condenser lens (20) is a fresnel lens.

4. A dimmable vehicle mount reading lamp lens system according to claim 1, wherein an inner wall of the limiting groove (321) is covered with an anti-slip layer (322).

5. A dimmable vehicle reading light lens system as claimed in claim 1, wherein a push block (342) is fixed to a side of the dimming ring (34) remote from the condenser lens (20).

6. A dimmable vehicle reading light lens system according to claim 1, wherein the surface of the light-transmitting panel (40) is provided with a light-homogenizing layer (41).