High-brightness in-vehicle lighting ceiling lamp capable of emitting light uniformly

Abstract

The high-brightness in-vehicle lighting top lamp comprises a hollow outer shell with an opening in the front end, a PCB arranged in the outer shell and a transparent lampshade arranged at the front end of the outer shell, and the side, close to the transparent lampshade, of the PCB is electrically connected with a plurality of LED lamps. A plurality of light gathering cups are arranged in the outer shell, the number of the light gathering cups is equal to that of the LED lamps, light gathering through openings are formed in the light gathering cups, the front ends and the rear ends of the light gathering through openings are communicated, the light gathering cups are arranged on the peripheries of the corresponding LED lamps in a sleeved mode, and a light uniformizing plate is further arranged on the inner side of the transparent lampshade. According to the utility model, the illumination value of a target plane can be obviously improved, and the light-emitting surface emits light uniformly.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile electronic interior decoration, in particular to a high-brightness ceiling lamp for interior lighting with uniform light output. 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 the selling points that various automobile manufacturers are competing to consider. For example, the design of car ceiling lights can provide passengers with sufficient brightness when the light in the car is insufficient, which is convenient for reading in the car, and will not affect the driver's normal driving. Car ceiling lights are generally installed on the top of the driver's seat and the top of the middle of the back seat of the car, which is convenient for people to operate and use.

[0003] The utility model patent with patent application number CN201721927510.9 discloses a car ceiling light, which includes a square lamp housing with an assembly space inside, a light-transmitting lampshade is arranged at the front end of the lamp housing, a light bulb is arranged in the assembly space, and a push-button switch is arranged at the front end of the lamp housing for controlling the light bulb switch, and a mounting portion is fixedly arranged at the rear end of the lamp housing. However, although the structure is simple, it has the defects of uneven light emission and low illumination due to the free divergence of light from the light bulb. Therefore, it is necessary to improve the existing car interior lighting ceiling light. Utility Model Content

[0004] The purpose of the utility model is to provide a high-brightness interior lighting ceiling lamp with uniform light output. The utility model can significantly improve the illumination value of a target plane, and the light output surface is uniform.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-brightness interior lighting ceiling light with uniform light output, comprising a hollow shell with an opening at the front end, a PCB board arranged in the shell, and a transparent lampshade arranged at the front end of the shell, wherein a plurality of LED lamps are electrically connected to a side of the PCB board close to the transparent lampshade; a plurality of focusing cups whose number is equivalent to that of the LED lamps are arranged in the shell, and a focusing opening whose front and rear ends are connected is provided on the focusing cups, and the focusing cups are sleeved on the outer periphery of the corresponding LED lamps, and a light-distributing plate is also arranged on the inner side of the transparent lampshade.

[0006] By adopting the above technical solution and utilizing a focusing cup structure that can increase the utilization rate of light energy, the demand for increasing the illumination value of the target plane can be achieved. The structural design of this method is relatively simple and can meet the lighting needs of some high-illuminance lamps. At the same time, by setting a light-emitting plate on the inside of the transparent lampshade, the light emitting surface can emit light evenly, significantly improving the lighting experience.

[0007] The utility model is further configured such that the light-focusing opening is in an expanded shape with a small inner portion and a large outer portion.

[0008] By adopting the above technical solution, a focusing effect can be achieved, the utilization rate of light energy can be increased, the low beam light pattern can be concentrated, and the lighting brightness can be improved.

[0009] The utility model is further configured such that the orthographic projection of the rear end of the light-collecting opening is a circular shape, and the orthographic projection of the front end of the light-collecting opening is a polygonal shape.

[0010] By adopting the above technical solution, a more beautiful effect is achieved.

[0011] The utility model is further configured such that a plurality of focusing cups are closely connected, and the plurality of focusing cups and the shell are an integrated structure.

[0012] By adopting the above technical solution, the processing is convenient and the assembly is facilitated.

[0013] The utility model is further configured such that an inwardly concave arc-shaped light-stacked groove is provided between each two adjacent light-stacked cups, and the arc-shaped light-stacked groove connects the light-stacked openings on the corresponding two light-stacked cups.

[0014] By adopting the above technical solution, the edge lights of adjacent light sources are superimposed on each other, which can enhance the light intensity at the edge positions where the light is weaker, thereby making the light emission more uniform.

[0015] The utility model is further configured as follows: a supporting step is provided at the front end of the shell, a plurality of first slots are provided on the supporting step, a card block is provided on the inner wall of the first slot, and a guide slope is provided at the front end of the card block, a portion of the rear end of the light-distributing plate close to the edge abuts against the supporting step, and a plurality of connecting plates corresponding in number to the first slots are provided on the light-distributing plate, and a card interface matching the corresponding card block is provided on the connecting plate.

[0016] By adopting the above technical solution, the housing and the light-diffusing plate are assembled by means of a snap connection, and the connection structure is simple and reliable, and the assembly and disassembly is very convenient.

[0017] The utility model is further configured such that a plurality of second slots are provided on the support step, and the second slots are arranged on the side of the corresponding first slots, a plurality of inserts corresponding in number to the second slots are provided on the light-distributing plate, the inserts are inserted into the corresponding second slots, and a resistance-increasing convex strip for pressing against the side of the inserts is provided on the inner wall of the second slot.

[0018] By adopting the above technical solution, when the insert on the light-distributing plate is inserted into the second slot of the shell, since the resistance-increasing protrusion in the second slot abuts against the insert, there is a friction resistance between the two, which can prevent the card interface on the connecting plate from shaking due to external force after mating with the card block in the first slot, thereby improving the stability of the assembly structure of the light-distributing plate and the shell.

[0019] The utility model is further configured such that the outer circumference of the light-diffusing plate is gap-matched with the inner circumference of the shell, a plurality of first protrusions are provided on the support step, and a plurality of second protrusions abutting against the first protrusions are provided on the light-diffusing plate, so that a heat dissipation gap is formed between the light-diffusing plate and the support step.

[0020] By adopting the above technical solution, the heat generated by the LED lamp is facilitated to diffuse outwards.

[0021] The utility model is further configured that the PCB board is detachably installed in the housing by screws.

[0022] By adopting the above technical solution, the connection structure is simple and reliable, and disassembly and assembly are very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional diagram of the utility model as a whole;

[0024] Figure 2 An exploded view of the utility model as a whole;

[0025] Figure 3 This is a schematic diagram of the structure of the utility model after removing the transparent lampshade and the light-diffusing plate;

[0026] Figure 4 It is a schematic diagram of the structure of the housing and the focusing cup of the utility model;

[0027] Figure 5 for Figure 4 The enlarged structural diagram of the middle A part;

[0028] Figure 6 This is a schematic diagram of the structure of the light-diffusing plate of the utility model;

[0029] Figure 7 It is the front view of the utility model as a whole;

[0030] Figure 8 for Figure 7 AA section view.

[0031] In the figure: 1. shell; 2. PCB board; 3. transparent lampshade; 4. LED lamp; 5. focusing cup; 6. focusing port; 7. light-distributing plate; 8. arc-shaped overlapping light groove; 9. supporting step; 10. first slot; 11. card block; 12. guide slope; 13. connecting plate; 14. card interface; 15. second slot; 16. insert; 17. resistance-increasing convex strip; 18. first protrusion; 19. second protrusion; 20. heat dissipation gap. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Example: As shown in the attached Figures 1 to 8 The high-brightness interior lighting ceiling lamp with uniform light output shown in the figure comprises a hollow shell 1 with an opening at the front end, a PCB board 2 arranged in the shell 1, and a transparent lampshade 3 arranged at the front end of the shell 1. The PCB board 2 is electrically connected to a plurality of LED lamps 4 on one side close to the transparent lampshade 3, and the plurality of LED lamps 4 are evenly distributed; a plurality of focusing cups 5 equal in number to the number of the LED lamps 4 are arranged in the shell 1, and the focusing cups 5 are provided with focusing openings 6 connected at the front and rear ends, and the focusing cups 5 are sleeved on the outer periphery of the corresponding LED lamps 4. A light-distributing plate 7 is also arranged on the inner side of the transparent lampshade 3. The structure of the focusing cup 5 that can increase the utilization rate of light energy is used to achieve the demand for increasing the illumination value of the target plane. The structural design of this method is relatively simple and can meet the lighting needs of some high-illuminance lamps. At the same time, by arranging the light-distributing plate 7 on the inner side of the transparent lampshade 3, the light output of the light-emitting surface can be uniform, which significantly improves the lighting experience.

[0034] As attached Figure 3 or attached Figure 4 As shown, the light-collecting opening 6 is an expanded shape with a small inside and a large outside. This design can achieve the effect of collecting light, increase the utilization rate of light energy, concentrate the low beam light pattern, and improve the lighting brightness.

[0035] The orthographic projection of the rear end of the light-collecting opening 6 is a circular shape, and the orthographic projection of the front end of the light-collecting opening 6 is a polygonal shape. This design has a more beautiful effect.

[0036] As attached Figure 4 As shown, a plurality of light focusing cups 5 are closely connected, and the plurality of light focusing cups 5 and the housing 1 are an integrated structure, which is convenient for processing and assembly.

[0037] As attached Figure 4 As shown, an inwardly concave arc-shaped light-overlapping groove 8 is provided between each two adjacent light-concentrating cups 5, and the arc-shaped light-overlapping groove 8 connects the light-concentrating openings 6 on the corresponding two light-concentrating cups 5. The edge lights between adjacent light sources overlap with each other, which can enhance the light intensity at the edge position where the light is weak, thereby making the light emission more uniform.

[0038] As attached Figures 4 to 6As shown, the front end of the housing 1 is provided with a support step 9, and the support step 9 is provided with a plurality of first slots 10, and a card block 11 is provided on the inner wall of the first slot 10, and a guide slope 12 is provided at the front end of the card block 11, and the rear end of the light diffuser 7 near the edge is in contact with the support step 9, and the light diffuser 7 is provided with a plurality of connecting plates 13 whose number is equivalent to the first slots 10, and the connecting plate 13 and the light diffuser 7 are an integrated structure, and the connecting plate 13 is provided with a card interface 14 matched with the corresponding card block 11. The housing 1 and the light diffuser 7 are assembled by snap-on connection, and its connection structure is simple and reliable, and it is very convenient to disassemble and assemble.

[0039] As attached Figures 4 to 6 As shown, the support step 9 is also provided with a plurality of second slots 15, and the second slots 15 are arranged on the side of the corresponding first slots 10, and the light-diffusing plate 7 is provided with a plurality of inserts 16 of the same number as the second slots 15, and the inserts 16 and the light-diffusing plate 7 are an integrated structure, and the inserts 16 are inserted into the corresponding second slots 15, and the inner wall of the second slot 15 is provided with a resistance-increasing convex strip 17 for abutting against the side of the inserts 16. When the inserts 16 on the light-diffusing plate 7 are inserted into the second slots 15 of the housing 1, since the resistance-increasing convex strip 17 in the second slot 15 abuts against the inserts 16, there is a friction resistance between the two, which can prevent the card interface 14 on the connecting plate 13 from shaking under the action of external force after the card block 11 in the first slot 10 is matched, thereby improving the stability of the assembly structure of the light-diffusing plate 7 and the housing 1.

[0040] As attached Figure 8 As shown, the outer circumference of the light scattering plate 7 is gap-matched with the inner circumference of the housing 1, the support step 9 is provided with a plurality of first protrusions 18, and the light scattering plate 7 is provided with a plurality of second protrusions 19 abutting against the first protrusions 18, so that a heat dissipation gap 20 is formed between the light scattering plate 7 and the support step 9. This design is conducive to the heat generated by the LED lamp 4 to diffuse outward.

[0041] In addition, the PCB board 2 is detachably mounted in the housing 1 by means of screws, and the front side of the PCB board 2 is tightly fitted with the rear end surface of the focusing cup 5. The connection structure is simple and reliable, and the assembly and disassembly is very convenient.

Claims

1. A high-brightness interior lighting ceiling lamp with uniform light output, comprising a hollow housing (1) with an open front end, a PCB board (2) arranged in the housing (1), and a transparent lampshade (3) arranged at the front end of the housing (1), wherein a side of the PCB board (2) close to the transparent lampshade (3) is electrically connected to a plurality of LED lamps (4); the characteristics are as follows: The housing (1) is provided with a plurality of focusing cups (5) whose number is equal to the number of LED lamps (4); the focusing cups (5) are provided with focusing openings (6) whose front and rear ends are connected; the focusing cups (5) are sleeved on the outer circumference of the corresponding LED lamps (4); and a light-distributing plate (7) is also provided on the inner side of the transparent lampshade (3).

2. The high-brightness interior lighting ceiling lamp with uniform light output according to claim 1, characterized in that: The light-collecting opening (6) is in the shape of an expanded opening that is smaller inside and larger outside.

3. The high-brightness interior lighting ceiling lamp with uniform light output according to claim 1, characterized in that: The orthographic projection of the rear end of the light-collecting opening (6) is in a circular shape, and the orthographic projection of the front end of the light-collecting opening (6) is in a polygonal shape.

4. The high-brightness interior lighting ceiling lamp with uniform light output according to claim 1, characterized in that: The plurality of light-collecting cups (5) are closely connected, and the plurality of light-collecting cups (5) and the housing (1) are an integrated structure.

5. The high-brightness interior lighting ceiling lamp with uniform light output according to claim 4, characterized in that: An inwardly concave arc-shaped light-stacked groove (8) is provided between each two adjacent light-stacked cups (5), and the arc-shaped light-stacked groove (8) connects the light-stacked openings (6) on the corresponding two light-stacked cups (5).

6. The high-brightness interior lighting ceiling lamp with uniform light output according to claim 1, characterized in that: The front end of the housing (1) is provided with a supporting step (9), the supporting step (9) is provided with a plurality of first slots (10), the inner wall of the first slot (10) is provided with a card block (11), and the front end of the card block (11) is provided with a guiding inclined surface (12), the rear end of the light-dispersing plate (7) close to the edge is in contact with the supporting step (9), and the light-dispersing plate (7) is provided with a plurality of connecting plates (13) whose number is equivalent to the first slots (10), and the connecting plates (13) are provided with card interfaces (14) that match the corresponding card blocks (11).

7. The high-brightness interior lighting ceiling lamp with uniform light output according to claim 6, characterized in that: The support step (9) is also provided with a plurality of second slots (15), and the second slots (15) are arranged on the side of the corresponding first slots (10); the light-distributing plate (7) is provided with a plurality of inserting pieces (16) whose number is equal to the number of the second slots (15); the inserting pieces (16) are inserted into the corresponding second slots (15), and the inner wall of the second slot (15) is provided with a resistance-increasing convex strip (17) for tightly abutting against the side of the inserting piece (16).

8. The high-brightness interior lighting ceiling lamp with uniform light output according to claim 6, characterized in that: The outer circumference of the light-diffusing plate (7) is gap-matched with the inner circumference of the housing (1); a plurality of first protrusions (18) are provided on the support step (9); and a plurality of second protrusions (19) abutting against the first protrusions (18) are provided on the light-diffusing plate (7), so that a heat dissipation gap (20) is formed between the light-diffusing plate (7) and the support step (9).

9. The high-brightness interior lighting ceiling lamp with uniform light output according to claim 1, characterized in that: The PCB board (2) is detachably mounted in the housing (1) by means of screws.

Images