Vehicle-mounted ceiling lamp capable of irradiating in large range

Abstract

The utility model discloses a large-range irradiation vehicle-mounted ceiling lamp which comprises a shell, a transparent lampshade installed on the shell and a PCB installed in the shell, and an LED lamp sheet is arranged on the PCB. A crystal head substrate is installed on the inner side of the transparent lampshade, a plurality of crystal heads are arranged on the crystal head substrate, the ends, close to the transparent lampshade, of the crystal heads are in a conical shape, an optical lens is installed between the crystal heads and the PCB, and a micro-optical structure used for light uniformizing is arranged on the side, close to the crystal heads, of the optical lens. According to the utility model, the optical lens is designed between the LED and the crystal head, so that the lamp not only has an attractive visual effect, but also can uniformly irradiate a target plane in a large range.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile interior decoration, in particular to a vehicle-mounted ceiling lamp with wide-range illumination. Background Art

[0002] With the rapid development of modern automobile technology, in order to meet the needs of customers, practical functions and humanized design have gradually become selling points that automobile manufacturers are competing to consider. For example, the design of automobile ceiling lights can provide passengers with sufficient brightness when the light in the car is insufficient, which is convenient for reading in the car, while not affecting the driver's normal driving. Existing car ceiling lights usually include a lamp housing, a transparent component fixedly connected to the lamp housing, and a light emitter and electrical components arranged in the inner cavity of the lamp housing. However, the existing car ceiling lights have a very small illumination range and can only achieve small-range lighting, which is inconvenient to use. Utility Model Content

[0003] The utility model aims to provide a vehicle ceiling lamp with wide-range illumination. The utility model designs an optical lens between an LED and a crystal head, so that the lamp not only has a beautiful visual effect, but also can realize wide-range uniform illumination of a target plane.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vehicle-mounted ceiling light with wide-range illumination, comprising a shell, a transparent lampshade installed on the shell, and a PCB board installed in the shell, wherein the PCB board is provided with an LED light sheet; a crystal head substrate is installed on the inner side of the transparent lampshade, a plurality of crystal heads are provided on the crystal head substrate, the end of the crystal head close to the transparent lampshade is in a conical shape, an optical lens is installed between the crystal head and the PCB board, and a micro-optical structure for light uniformity is provided on the side of the optical lens close to the crystal head.

[0005] By adopting the above technical solution, an optical lens is designed between the LED and the crystal head, and the lower surface of the optical lens has several micro-optical structures, so that the lamp not only has a beautiful visual effect, but also can achieve a large range of uniform illumination of the target plane.

[0006] The utility model is further configured such that the micro-optical structure includes four refractive areas connected into a rectangular structure, each refractive area includes a plurality of refractive blocks connected together and distributed in a matrix, a first inclined plane is provided on the top of each refractive block, a second inclined plane is provided between every two adjacent first inclined planes, and a diamond-shaped inclined plane is provided at the intersection of every four second inclined planes having the same intersection.

[0007] By adopting the above technical solution, the light source is refracted in all directions on the crystal head, so that the lamp not only has a beautiful visual effect, but also can realize a large-scale uniform illumination of the target plane.

[0008] The utility model is further configured such that a light guide cover is respectively provided on the inner side of the four refraction areas corresponding to the crystal head substrate, the number of the LED light sheets is four, and the four light guide covers respectively cover the corresponding LED light sheets, and a conical light guide body is provided at the inner end of each light guide cover.

[0009] By adopting the above technical solution, the optical fiber can be gathered into the corresponding refraction area, the light source loss can be reduced, and the shining effect of the crystal head can be improved.

[0010] The utility model is further configured as follows: the shell includes an outer shell, a connecting seat, an inner shell and a pressing ring, the connecting seat is connected to one end of the outer shell away from the transparent lampshade by screws, the PCB board is clamped between the outer shell and the connecting seat, a supporting step is provided in the outer shell, the pressing ring is connected to the outer shell by a snap connection, and the pressing ring presses the inner shell onto the supporting step, and at the same time the inner shell presses the optical lens onto the supporting step, the crystal head substrate is arranged between the inner shell and the optical lens, and a plurality of first openings for corresponding crystal heads to pass through are provided at the upper end of the inner shell.

[0011] By adopting the above technical solution, the assembly of various components of the lamp can be realized, and the assembly structure is simple and reliable, and the disassembly and assembly are very convenient, which is conducive to early assembly and later maintenance operations.

[0012] The utility model is further configured to include a decorative plate arranged between the transparent lampshade and the inner shell, the decorative plate is provided with a decorative pattern on a side close to the transparent lampshade, the decorative plate is provided with a snap-in groove on a side close to the inner shell, the inner shell is provided with a snap-in protrusion that fits with the snap-in groove, and the decorative plate is provided with a plurality of second openings for crystal heads to pass through.

[0013] By adopting the above technical solution and setting a decorative panel, the aesthetics of the lamp can be further improved and the market competitiveness of the product can be enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 An exploded view of the utility model as a whole;

[0016] Figure 3 A cross-sectional view of the utility model as a whole;

[0017] Figure 4 It is a schematic diagram of the structure of the optical lens of the utility model;

[0018] Figure 5 for Figure 4 A schematic diagram of the enlarged structure of the middle part A;

[0019] Figure 6 This is a schematic structural view of the RJ45 connector of the present utility model.

[0020] In the figure: 1, housing; 2, transparent lamp cover; 3, PCB board; 4, LED lamp sheet; 5, RJ45 connector substrate; 6, RJ45 connector; 7, optical lens; 8, micro-optical structure; 9, refraction area; 10, refraction block; 11, first inclined surface; 12, second inclined surface; 13, diamond inclined surface; 14, light guide cover; 15, conical light guide body; 16, outer shell; 17, connecting seat; 18, inner shell; 19, retaining ring; 20, supporting step; 21, first opening; 22, decorative plate; 23, decorative pattern; 24, clamping groove; 25, clamping protrusion; 26, second opening. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Embodiment: As shown in the attached Figures 1 to 6 figure, a vehicle-mounted ceiling lamp with a large-range irradiation includes a housing 1, a transparent lamp cover 2 installed on the housing 1, and a PCB board 3 installed in the housing 1. An LED lamp sheet 4 is provided on the PCB board 3; a RJ45 connector substrate 5 is installed on the inner side of the transparent lamp cover 2, and a plurality of RJ45 connectors 6 are provided on the RJ45 connector substrate 5. One end of the RJ45 connector 6 close to the transparent lamp cover 2 is in a conical shape. An optical lens 7 is installed between the RJ45 connector 6 and the PCB board 3, and a micro-optical structure 8 for uniform light is provided on one side of the optical lens 7 close to the RJ45 connector 6. By designing an optical lens between the LED and the RJ45 connector, and the lower surface of the optical lens is provided with several micro-optical structures, and uniform light is achieved through this structure, so that the lamp not only has a beautiful visual effect, but also can achieve a large-range uniform irradiation of the target plane.

[0023] As shown in the attached Figure 4 figure, the micro-optical structure 8 includes four refraction areas 9 connected into a rectangular structure, that is, spliced into a "field" character structure. Each refraction area 9 includes a plurality of refraction blocks 10 connected together and distributed in a matrix. The top of each refraction block 10 is provided with a first inclined surface 11, a second inclined surface 12 is provided between every two adjacent first inclined surfaces 11, and a diamond inclined surface 13 is provided at the intersection of every four second inclined surfaces 12 having the same intersection point. The light source is refracted in all directions on the RJ45 connector 6, so that the lamp not only has a beautiful visual effect, but also can achieve a large-range uniform irradiation of the target plane.

[0024] As shown in the attached Figure 3As shown, a light guide cover 14 is provided on the inner side of the four refraction areas 9 of the crystal head substrate 5, the crystal head substrate 5, the crystal head 6 and the light guide cover 14 are an integrated structure, the number of the LED light sheets 4 is four, and the four light guide covers 14 respectively cover the corresponding LED light sheets 4, and a tapered light guide 15 is provided at the inner end of each light guide cover 14. This design can gather the optical fiber into the corresponding refraction area 9, reduce the light source loss, and enhance the shining effect of the crystal head 6.

[0025] As attached Figure 3 As shown, the housing 1 includes an outer shell 16, a connection seat 17, an inner shell 18 and a pressing ring 19. The connection seat 17 is connected to the end of the outer shell 16 away from the transparent lampshade 2 by screws. The PCB board 3 is sandwiched between the outer shell 16 and the connection seat 17. A support step 20 is provided in the outer shell 16. The pressing ring 19 is connected to the outer shell 16 by a snap connection, and the pressing ring 19 presses the inner shell 18 on the support step 20. At the same time, the inner shell 18 presses the optical lens 7 on the support step 20. The crystal head substrate 5 is arranged between the inner shell 18 and the optical lens 7, and the upper end of the inner shell 18 is provided with a plurality of first openings 21 for corresponding crystal heads 6 to pass through. This design can realize the assembly of various components of the lamp, and the assembly structure is simple and reliable, and the disassembly and assembly are very convenient, which is conducive to the early assembly and the later maintenance operation.

[0026] As attached Figure 2 and attached Figure 3 As shown, the vehicle ceiling lamp also includes a decorative plate 22 disposed between the transparent lampshade 2 and the inner shell 18, the decorative plate 22 is provided with a decorative pattern 23 on one side close to the transparent lampshade 2, the decorative pattern 23 is formulated according to design requirements, the decorative plate 22 is provided with a clamping groove 24 on one side close to the inner shell 18, the inner shell 18 is provided with a clamping protrusion 25 that matches the clamping groove 24, and the decorative plate 22 is provided with a plurality of second openings 26 for the crystal head 6 to pass through. The decorative plate 22 can further improve the aesthetics of the lamp and enhance the market competitiveness of the product.

Claims

1. A vehicle ceiling lamp with wide-range illumination, comprising a housing (1), a transparent lampshade (2) mounted on the housing (1), and a PCB board (3) mounted in the housing (1), wherein an LED light sheet (4) is provided on the PCB board (3); characterized in that: A crystal head substrate (5) is installed inside the transparent lampshade (2), a plurality of crystal heads (6) are arranged on the crystal head substrate (5), one end of the crystal head (6) close to the transparent lampshade (2) is in a conical shape, an optical lens (7) is installed between the crystal head (6) and the PCB board (3), and a micro-optical structure (8) for light uniformity is arranged on a side of the optical lens (7) close to the crystal head (6).

2. The vehicle-mounted ceiling light with wide-range illumination according to claim 1, characterized in that: The micro-optical structure (8) comprises four refractive regions (9) connected to form a rectangular structure, each refractive region (9) comprises a plurality of refractive blocks (10) connected together and distributed in a matrix, a first inclined plane (11) is provided on the top of each refractive block (10), a second inclined plane (12) is provided between every two adjacent first inclined planes (11), and a rhombus-shaped inclined plane (13) is provided at the intersection of every four second inclined planes (12) having the same intersection.

3. The vehicle-mounted ceiling light with wide-range illumination according to claim 2, characterized in that: A light guide cover (14) is provided on the inner side of each of the four refraction regions (9) of the crystal head substrate (5), the number of the LED light sheets (4) is four, and the four light guide covers (14) respectively cover the corresponding LED light sheets (4), and a conical light guide body (15) is provided at the inner end of each light guide cover (14).

4. The vehicle-mounted ceiling light with wide-range illumination according to claim 1, characterized in that: The housing (1) comprises an outer shell (16), a connecting seat (17), an inner shell (18) and a pressing ring (19); the connecting seat (17) is connected to an end of the outer shell (16) away from the transparent lampshade (2) by means of screws; the PCB board (3) is clamped between the outer shell (16) and the connecting seat (17); a supporting step (20) is provided in the outer shell (16); the pressing ring (19) and the outer shell (16) are connected together by means of a snap connection; the pressing ring (19) presses the inner shell (18) onto the supporting step (20); and the inner shell (18) presses the optical lens (7) onto the supporting step (20); the crystal head substrate (5) is arranged between the inner shell (18) and the optical lens (7); and a plurality of first openings (21) for corresponding crystal heads (6) to pass through are provided at the upper end of the inner shell (18).

5. The vehicle-mounted ceiling light with wide-range illumination according to claim 4, characterized in that: The invention also comprises a decorative plate (22) arranged between the transparent lampshade (2) and the inner shell (18); a decorative pattern (23) is provided on a side of the decorative plate (22) close to the transparent lampshade (2); a clamping groove (24) is provided on a side of the decorative plate (22) close to the inner shell (18); a clamping protrusion (25) matched with the clamping groove (24) is provided on the inner shell (18); and a plurality of second openings (26) for the crystal head (6) to pass through are provided on the decorative plate (22).

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