Vehicle-mounted illuminating lamp

Abstract

The vehicle-mounted illuminating lamp comprises a lamp holder, a main board and a light-transmitting lampshade, a plurality of LED lamps are further distributed on the bottom face of the main board, a light guide plate piece and a light reflecting plate piece are further arranged in the lamp holder, the light guide plate piece is provided with a plate body A, a plurality of polariscopes and a plurality of convex lenses, and the polariscopes and the convex lenses are integrally formed on the upper face and the lower face of the plate body A respectively. The polariscopes are obliquely arranged, the upper ends of the polariscopes are further provided with condensation openings corresponding to the single LED lamps, the convex mirrors are polygonal, the convex mirrors are separated from one another, and the convex mirrors correspond to the polariscopes one to one to achieve light guiding; the light reflecting plate is provided with a plate body B and a plurality of light reflecting cups which are arranged on the plate body B in an upward protruding mode, the light reflecting cups are polygonal, the inner diameters of the light reflecting cups are gradually increased from top to bottom, the convex mirrors on the lower face of the plate body A enter the corresponding light reflecting cups respectively, the light reflecting cups isolate light among the convex mirrors, and the light-transmitting lampshade corresponds to the lower portion of the light reflecting plate. The reflection cup structure is used for condensation and is combined with multi-angle reflection formed on the surface of the convex mirror, so that the illumination requirement of a target plane can be improved, and the ornamental value of the ceiling lamp can be improved.

Description

Technical Field

[0001] The utility model relates to the field of vehicle-mounted accessories, in particular to a vehicle-mounted lighting lamp. Background Art

[0002] As people's living standards continue to improve, the number of private cars is increasing day by day, and the various supporting equipment of private cars is becoming more and more complete. Among them, various types of vehicle-mounted lighting are becoming more and more widely used. Vehicle-mounted lighting is a lighting device installed on the top of the vehicle and used in the car. It is widely used in most mid-to-high-end models. However, the common vehicle-mounted lighting at present directly shines the light beam on the seat when illuminating. It is impossible to deflect the light source to the designated irradiation position according to people's reading needs, and the light source cannot be focused. The emitted light beam is relatively scattered, which makes passengers feel drowsy and the lighting effect is poor. Utility Model Content

[0003] Purpose of the utility model: In order to overcome the defects of the prior art, the utility model provides a vehicle-mounted lighting lamp, which uses a reflective cup structure to focus light and combines it with a convex mirror surface to form multi-angle reflection, which can not only improve the illumination requirement of the target plane, but also improve the ornamental value of the ceiling light.

[0004] The technical solution of the utility model is as follows: a vehicle-mounted lighting lamp comprises a lamp holder, a main board and a translucent lampshade, a plurality of LED lamps are distributed on the bottom surface of the main board, a light guide plate and a reflective plate are arranged in the lamp holder, the light guide plate comprises a plate body A, a plurality of polarizers and a convex mirror, the polarizers and the convex mirrors are respectively integrally formed on the upper and lower surfaces of the plate body A, the polarizers are inclinedly arranged, and their outer diameters gradually increase from top to bottom, the upper end of the polarizers also comprises a light-gathering port corresponding to a single LED lamp, the convex mirrors are polygonal, the plurality of convex mirrors are separated from each other, and also correspond one-to-one with the plurality of polarizers to realize light guiding; the reflective plate comprises a plate body B, a plurality of reflective cups protruding upward from the plate body B, the reflective cups are also polygonal, and their inner diameters gradually increase from top to bottom, the plurality of convex mirrors on the lower side of the plate body A respectively enter the interior of the corresponding reflective cups, and the reflective cups isolate light between the convex mirrors, and the translucent lampshade corresponds to the lower side of the reflective plate.

[0005] By adopting the above technical solution, when using, a command is sent to the LED light to emit light, and the light enters the focusing port of the polarizer, and the light is deflected by the tilted polarizer, and its outer diameter gradually increases from top to bottom, expanding the light source cover area downward; then the light is irradiated on the convex mirror, and multi-angle reflection is achieved through the polygonal surface of the convex mirror, forming a shining lighting effect; and part of the deviated light hits the reflective cup and refracts and focuses, and finally the light passes through the transparent lampshade and shines on the target plane. The combination of using the reflective cup structure to focus light and the convex mirror surface to form multi-angle reflection can not only improve the illumination demand of the target plane, but also improve the ornamental value of the ceiling light.

[0006] Preferably, the plate body B has a plurality of reflective cup groups distributed in sequence along the left-right direction, each reflective cup group has a plurality of reflective cups arranged in sequence along the front-back direction, the reflective cup groups in each column are arranged at intervals, and the bottoms of the cup walls of two adjacent reflective cups in each reflective cup group intersect to form a joint area. The illumination effect of multiple LED lamps is good, the reflective cups are arranged in sequence in multiple groups, and the cup walls of two adjacent reflective cups in the same column of reflective cup groups are close to each other, and the combined light is enhanced.

[0007] Preferably, the junction area is recessed upwards and is higher than the bottom surface of the plate body B. The junction area in the multiple columns of reflective cup groups A also gradually increases in height from left to right. The junction area between each adjacent two reflective cups in each column of reflective cup groups is recessed upwards, so that the light from the two reflective cups can be merged and superimposed to achieve a good effect; and the junction area also gradually increases in height from left to right, presenting different fusion effects to meet the diverse needs of customers.

[0008] Preferably, the focusing port on the polarizer is also tilted accordingly, and the focusing surface inside the focusing port is spherical, so that the focusing surface can focus the stray light at the focusing port into parallel light.

[0009] Preferably, the lamp holder has an outer shell and a top seat. The outer shell is hollow and has a mounting opening at the upper end and a light outlet at the lower end. The reflective plate, light guide plate and main board are sequentially installed into the outer shell through the mounting opening, and the outer edge of the plate body B of the reflective plate is abutted against the retaining edge of the outer ring of the light outlet. The top seat cover is arranged on the mounting opening of the outer shell and connected to the outer shell. There is an electrical connection port on the side of the top seat, and the electrical connection port is also connected to the inner shell through the lower opening. The middle of the top seat is also hollowed out with a hole so that the main board contained in the outer shell is exposed. During assembly, the reflective plate, light guide plate and main board are sequentially installed into the outer shell, and finally the top seat is fixed to the top of the outer shell by screws to complete the assembly. The holes on the top seat can expose the main board and facilitate heat dissipation, and the electrical connection port is arranged on the side to avoid affecting the installation of the top seat on the roof.

[0010] Preferably, the lower outer ring of the plate body B is recessed inward to form an embedded part, and the upper outer ring thereof has a relatively convex edge plate, which enters the light outlet through the embedded part, and is also pressed against the outer ring surface of the embedded part through the convex strip, and the edge plate is pressed against the retaining edge of the outer ring of the light outlet. The embedded part is restricted in movement and is located in the light outlet; the edge plate is pressed against the retaining edge of the outer ring of the light outlet, which can limit the reflective plate, light guide plate and main board from escaping downward from the light outlet.

[0011] Preferably, vertical guide ribs and guide grooves are provided between the top seat and the inner ring surface of the outer shell, and the top seat and the outer shell cooperate with each other to achieve sliding guidance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1It is a structural diagram of a specific embodiment of the utility model;

[0013] Figure 2 It is an exploded view of a specific embodiment of the utility model;

[0014] Figure 3 This is a structural diagram of a specific embodiment of the utility model after removing the light-transmitting lampshade;

[0015] Figure 4 for Figure 3 sectional view of

[0016] Figure 5 for Figure 4 A partial enlarged view of part I;

[0017] Figure 6 This is a structural diagram of a light guide plate in a specific embodiment of the utility model;

[0018] Figure 7 This is a structural diagram of a reflective plate in a specific embodiment of the utility model;

[0019] Figure 8 This is a disassembled diagram of the housing in a specific embodiment of the utility model.

[0020] In the figure: lamp holder 1, shell 11, installation port 111, light outlet 112, rib 113, top seat 12, power port 121, through port 122, hollow hole 123, main board 2, translucent lampshade 3, LED lamp 4, light guide plate 5, plate body A51, polarizer 52, focusing port 521, focusing surface 521a, convex mirror 53, reflective plate 6, plate body B61, embedded part 61a, edge plate 61b, reflective cup 62, joint area 621, reflective cup group 6A, convex strip 7, guide rib 81, guide groove 82. DETAILED DESCRIPTION

[0021] The technical scheme in this embodiment will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. 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.

[0022] like Figure 1-8As shown, a vehicle-mounted lighting lamp of the utility model includes a lamp holder 1, a main board 2 and a translucent lampshade 3. A plurality of LED lamps 4 are distributed on the bottom surface of the main board 2. The LED lamps are soldered on the PCB board through SMT. A light guide plate 5 and a reflective plate 6 are also arranged in the lamp holder 1. The light guide plate 5 has a plate body A51, a plurality of polarizers 52 and a convex mirror 53. The polarizers 52 and the convex mirrors 53 are respectively integrally formed on the upper and lower surfaces of the plate body A51. The polarizers 52 are inclined, and their outer diameters gradually increase from top to bottom. The upper end of the polarizer 52 also has a corresponding The focusing port 521 of a single LED lamp 4, the convex mirror 53 is polygonal, the multiple convex mirrors 53 are separated from each other, and also correspond one-to-one with the multiple polarizers 52 to achieve light guidance; the reflective panel 6 has a plate body B61, and multiple reflective cups 62 protruding upward from the plate body B61, the reflective cup 62 is also polygonal, and its inner diameter gradually increases from top to bottom, the multiple convex mirrors 53 on the bottom of the plate body A51 each enter the corresponding reflective cup 62, and the reflective cup 62 isolates the light between the convex mirrors 53, and the translucent lampshade 3 corresponds to the bottom of the reflective panel 6.

[0023] Specifically, the board B61 has a plurality of columns of reflective cup groups 6A distributed in sequence along the left-right direction, each column of reflective cup groups 6A has a plurality of reflective cups 62 arranged in sequence along the front-back direction, the columns of reflective cup groups 6A are spaced apart from each other, and the bottoms of the cup walls of two adjacent reflective cups 62 in each column of reflective cup groups 6A intersect to form a joining area 621.

[0024] Specifically, the joining area 621 is recessed upward and higher than the bottom surface of the plate body B61 . The joining area 621 in the multi-column reflective cup group 6A gradually becomes higher from left to right.

[0025] Specifically, the light-collecting port 521 on the polarizer 52 is also arranged to be tilted accordingly, and the light-collecting surface 521 a inside the light-collecting port 521 is a spherical surface.

[0026] Specifically, the lamp holder 1 has an outer shell 11 and a top seat 12. The outer shell 11 is hollow and has a mounting opening 111 at the upper end and a light outlet 112 at the lower end. The reflective plate 6, the light guide plate 5 and the main board 2 are sequentially installed into the outer shell 11 through the mounting opening 111, and the outer edge of the plate body B61 of the reflective plate 6 is abutted against the retaining edge 113 of the outer circle of the light outlet 112. The top seat 12 is covered on the mounting opening 111 of the outer shell 11 and is screwed to the outer shell 11. An electrical connection port 121 is provided on the side of the top seat 12. The electrical connection port 121 also leads to the interior of the outer shell 11 through the lower opening 122. The middle of the top seat 12 is also hollowed out with a hole 123 so that the main board 2 accommodated in the outer shell 11 is exposed.

[0027] Specifically, the lower outer ring of the plate body B61 is recessed inward to form an embedded portion 61a, and the upper outer ring thereof has a relatively convex edge plate 61b, which enters the light outlet 112 through the embedded portion 61a, and is also pressed against the outer ring surface of the embedded portion 61a through the convex strip 7, and is pressed against the retaining edge 113 of the outer ring of the light outlet 112 by the edge plate 61b. The convex strip 7 is integrally formed on the inner wall of the housing 11.

[0028] Specifically, vertical guide ribs 81 and guide grooves 82 are provided between the top seat 12 and the inner ring surface of the outer shell 11, and the top seat 12 and the outer shell 11 cooperate to achieve sliding guidance through the guide ribs 81 and the guide grooves 82. The guide ribs 8 are integrally provided on the top seat 12, and the guide grooves 82 are located on the inner ring surface of the outer shell 11. Of course, the guide ribs 8 are integrally provided on the inner ring surface of the outer shell 11, and the guide grooves 82 are located on the top seat 12.

[0029] During assembly, the reflective panel 6, the light guide panel 5 and the main board 2 are sequentially installed in the housing 11. The embedded portion 61a of the reflective panel 6 is restricted in movement and is located in the light outlet 112, while the edge plate 61b is abutted against the retaining edge 113 of the outer ring of the light outlet 112, which can restrict the reflective panel 6, the light guide panel 5 and the main board 2 from escaping downward from the light outlet 112. Finally, the top seat 12 is fixed on the top of the housing 11 by screws to complete the assembly. The hollow holes 123 on the top seat 12 can expose the main board 2 for heat dissipation, and the power port 121 is set on the side to avoid affecting the installation of the top seat 12 on the roof.

[0030] When used for lighting, a command is sent to the LED lamp 4 to emit light. The scattered light beam emitted by the LED lamp 4 enters the focusing port 521 of the corresponding polarizer 52, and the stray light is focused into parallel light through the focusing surface 521a. Then, the light is deflected to the specified irradiation position through the inclined polarizer 52, and its outer diameter gradually increases from top to bottom, expanding the light source cover area downward; then the light is irradiated on the convex mirror 53, and multi-angle reflection is achieved through the polygonal surface of the convex mirror 53 to form a shining lighting effect; and the partially deviated light hits the reflective cup 62 and refracts and focuses, and finally the light passes through the transparent lampshade 3 and irradiates on the target plane. The combination of using the reflective cup structure to focus light and the convex mirror surface to form multi-angle reflection can not only improve the illumination demand of the target plane, but also improve the ornamental value of the top light. The joint area 621 between each adjacent two reflective cups 62 in each column of the reflective cup group 6A is concave upward, which can make the light in the two reflective cups 62 merge and superimpose well.

[0031] It should be noted that in the description of the present invention, all directional indications (such as up, down, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0032] In addition, the descriptions of "A", "B", etc. in the present invention are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. In the description of the present invention, "several" or "multiple" means at least two, such as two, three, etc., unless otherwise clearly and specifically limited.

[0033] In the description of the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "couple", "connect", and "fix" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A vehicle lighting lamp, comprising a lamp holder (1), a main board (2) and a light-transmitting lampshade (3), wherein a plurality of LED lamps (4) are distributed on the bottom surface of the main board (2), characterized in that: A light guide plate (5) and a reflective plate (6) are also provided in the lamp holder (1). The light guide plate (5) comprises a plate body A (51), a plurality of polarizers (52) and a convex mirror (53). The polarizers (52) and the convex mirrors (53) are respectively integrally formed on the upper and lower surfaces of the plate body A (51). The polarizers (52) are arranged obliquely, and their outer diameter gradually increases from top to bottom. The upper end of the polarizers (52) also comprises a light collecting port (521) corresponding to a single LED lamp (4). The convex mirrors (53) are polygonal in shape, and the plurality of convex mirrors (53) are ) are separated from each other and correspond to the plurality of polarizers (52) one by one to achieve light guidance; the reflective plate (6) comprises a plate body B (61), a plurality of reflective cups (62) protruding upward from the plate body B (61), the reflective cups (62) are also polygonal, and the inner diameter thereof gradually increases from top to bottom; the plurality of convex mirrors (53) on the bottom of the plate body A (51) respectively enter the inside of the corresponding reflective cup (62), and the reflective cups (62) isolate light from each other between the convex mirrors (53); the light-transmitting lampshade (3) corresponds to the bottom of the reflective plate (6).

2. The vehicle-mounted lighting lamp according to claim 1, characterized in that: The plate body B (61) has a plurality of rows of reflective cup groups (6A) sequentially distributed along the left-right direction, each row of reflective cup groups (6A) has a plurality of reflective cups (62) sequentially arranged along the front-back direction, the rows of reflective cup groups (6A) are arranged at intervals, and the bottoms of the cup walls of two adjacent reflective cups (62) in each row of reflective cup groups (6A) intersect to form a joint area (621).

3. The vehicle-mounted lighting lamp according to claim 2, characterized in that: The joining area (621) is recessed upwards and is higher than the bottom surface of the plate body B (61). The joining area (621) in the multiple rows of reflective cup groups (6A) gradually becomes higher from left to right.

4. A vehicle-mounted lighting lamp according to claim 1, 2 or 3, characterized in that: The light focusing port (521) on the polarizer (52) is also arranged to be tilted accordingly, and the light focusing surface (521a) inside the light focusing port (521) is spherical.

5. The vehicle-mounted lighting lamp according to claim 1, 2 or 3, characterized in that: The lamp holder (1) comprises an outer shell (11) and a top seat (12); the outer shell (11) is hollow and has an installation opening (111) at the upper end and a light outlet (112) at the lower end; the reflective plate (6), the light guide plate (5) and the main board (2) are sequentially installed into the outer shell (11) through the installation opening (111), and the outer edge of the plate body B (61) of the reflective plate (6) is pressed against the outer edge of the light outlet (112). (113), the top seat (12) is covered on the installation opening (111) of the outer shell (11) and connected to the outer shell (11), and an electrical connection port (121) is provided on the side of the top seat (12), and the electrical connection port (121) is also connected to the inner part of the outer shell (11) through a lower opening (122), and a hollow hole (123) is also hollowed out in the middle of the top seat (12) so that the mainboard (2) accommodated in the outer shell (11) is exposed.

6. The vehicle-mounted lighting lamp according to claim 5, characterized in that: The lower outer ring of the plate body B (61) is recessed inward to form an embedded portion (61a), and the upper outer ring thereof has a relatively convex edge plate (61b), which enters the light outlet (112) through the embedded portion (61a), and the outer ring surface of the embedded portion (61a) is pressed against the outer ring surface of the light outlet (112) through the convex strip (7), and the edge plate (61b) is pressed against the retaining edge (113) of the outer ring of the light outlet (112).

7. The vehicle-mounted lighting lamp according to claim 5, characterized in that: A vertical guide rib (81) and a guide groove (82) are also provided between the top seat (12) and the inner ring surface of the outer shell (11), and the top seat (12) and the outer shell (11) are slidably guided by the cooperation of the guide rib (81) and the guide groove (82).

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