Multi-partition multi-angle dome light source

Abstract

The utility model discloses a multi-partition multi-angle dome light source which comprises a dome lampshade, a bottom plate, a diffusion plate and a plurality of soft LED circuit boards. The dome lampshade is fixedly connected to one side of the bottom plate, a hemispherical inner wall is formed on the inner side of the dome lampshade, the soft LED circuit boards are arranged on the hemispherical inner wall in a tightly attached mode, so that the soft LED circuit boards form different irradiation angles, a plurality of sets of working areas working independently are arranged on each soft LED circuit board, and the working areas are arranged in the working areas. Each working area is provided with an independent cable which is externally connected with a connecting terminal; lED lamp beads which are uniformly distributed are arranged on each working area; a hemispherical diffusion part matched with the hemispherical inner wall in shape is formed on the diffusion plate, and the diffusion plate is fixedly connected to the other side of the bottom plate, so that the hemispherical diffusion part is arranged in the hemispherical inner wall and covers the LED lamp beads. According to the utility model, partitioned illumination can be realized, and the brightness utilization rate is higher than that of conventional dome light.

Description

Technical Field

[0001] This utility model relates to the field of dome light sources, and in particular to a multi-zone, multi-angle dome light source. Background Technology

[0002] The dome light source structure currently used in the industry typically consists of a hemispherical lampshade and a flat circular LED circuit board. The LED circuit board is located at the bottom of the lampshade, and the light is emitted from the LEDs on the circuit board. After being reflected and diffused by the diffuse coating on the inner wall of the lampshade, it forms uniform illumination.

[0003] Currently, conventional dome light sources suffer from light attenuation during reflection and diffusion due to their structural characteristics, resulting in low brightness utilization and an inability to achieve zoned control on the inner wall of the hemispherical surface. Utility Model Content

[0004] The purpose of this invention is to overcome the above-mentioned defects in the prior art and provide a multi-zone, multi-angle dome light source. This invention can achieve zoned illumination, and since the LED emits light directly on the inner wall of the hemispherical surface, there is no brightness attenuation due to the diffuse reflection coating as in conventional dome light sources. Therefore, the brightness utilization rate is much higher than that of conventional dome lights.

[0005] To achieve the above objectives, this utility model provides a multi-zone, multi-angle dome light source, including a dome lampshade, a base plate, a diffuser plate, and several flexible LED circuit boards.

[0006] The dome lampshade is fixed to one side of the base plate, and a hemispherical inner wall is formed on the inner side of the dome lampshade. The plurality of flexible LED circuit boards are respectively attached to the hemispherical inner wall, so that each flexible LED circuit board forms a different illumination angle. Multiple independent working areas are provided on each flexible LED circuit board, and each working area is provided with an independent cable connected to a connection terminal.

[0007] Each working area is provided with evenly arranged LED beads;

[0008] The diffuser plate forms a hemispherical diffuser portion that matches the shape of the hemispherical inner wall. The diffuser plate is fixed to the other side of the base plate, so that the hemispherical diffuser portion is placed inside the hemispherical inner wall and covers the LED beads.

[0009] Furthermore, the surrounding arrangement of the plurality of flexible LED circuit boards is perpendicular to the arrangement direction of the working area. This creates a grid-like arrangement, allowing for different directions and illumination angles, improving the control and usability of the working area of ​​this invention, and making it highly practical.

[0010] Furthermore, the flexible LED circuit board is an FPC flexible LED circuit board. Using an FPC flexible circuit board facilitates bending and installation of the circuit board without breakage.

[0011] Furthermore, multiple sets of wiring openings are provided on the dome-shaped lampshade, through which the leads of the connecting terminals pass to connect to the flexible LED circuit board. The wiring openings facilitate the placement of the wiring between the connecting terminals and the flexible LED circuit board, simplifying the routing of each set of cables and avoiding the risk of short circuits caused by cable tangling.

[0012] Furthermore, a first mounting ring extends along the side edge of the dome lampshade, and the first mounting ring is detachably connected to one side of the base plate. The first mounting ring facilitates disassembly and repair, and the structure is rationally designed.

[0013] Furthermore, it also includes a connector, the two ends of which are detachably connected to the dome lampshade. The connector is provided with a straight mounting portion for installing the connecting terminal. The connector facilitates the installation of the connecting terminal and also separates the connecting terminal from the outer surface of the dome lampshade, preventing the connecting terminal from being damaged by excessive heat from the dome lampshade.

[0014] Furthermore, the front end of the connector forms a first folded portion. The first mounting ring and the base plate are respectively provided with a first mounting hole and a second mounting hole that match each other. A third mounting hole matching the first mounting hole is provided on the first folded portion. A first locking bolt passes through the first, second, and third mounting holes, enabling a detachable connection between the first folded portion, the first mounting ring, and the base plate. A fourth mounting hole is provided at the other end of the connector away from the first folded portion, and a fifth mounting hole matching the fourth mounting hole is provided on the dome lampshade. A second locking bolt passes through the fourth and fifth mounting holes, enabling a detachable connection between the other end of the connector and the dome lampshade. The first folded portion avoids the connector occupying too much space, improving the overall structural simplicity. The detachable connection of each component bracket using mounting holes and locking bolts makes installation and disassembly very convenient and quick, facilitating operation.

[0015] Furthermore, a curved portion is provided between the straight mounting portion and the first folded portion, and a mounting protrusion is provided on the dome lampshade. The fifth mounting hole is located on the mounting protrusion. The mounting protrusion cooperates with the curved portion to keep the straight mounting portion away from the outer surface of the dome lampshade. The curved portion and mounting protrusion ensure that only the head and tail ends of the connector contact the dome lampshade, while the rest of the area is suspended outside the dome lampshade. This keeps the connecting terminals away from the dome lampshade, preventing the temperature of the dome lampshade from affecting the normal use of the connecting terminals and improving their service life.

[0016] Furthermore, a second mounting ring extends along the outer edge of the diffuser plate, and a sixth mounting hole and a seventh mounting hole, respectively, are provided on the second mounting ring and the base plate. This facilitates the installation of the diffuser plate, making it convenient and quick.

[0017] Furthermore, each of the connecting terminals is externally fitted with an aviation plug. This adapter design allows the cable to withstand greater tensile force, reducing the likelihood of breakage and poor contact.

[0018] Compared with existing technologies, this invention has the following advantages: By setting multiple independent flexible LED circuit boards on the dome lampshade, the flexible circuit boards can be attached to the inner wall of the dome lampshade's white sphere, creating light-emitting areas at different angles. Furthermore, different working areas are formed on the flexible LED circuits, and the cables for each working area are independently configured, allowing each working area to operate independently. This enables individual control of the LED lights in each working area, allowing all working areas of the entire light source to be lit simultaneously or separately, or any combination of working areas can be selected for lighting, making it widely applicable. Because the LEDs emit light directly from the inner wall of the hemispherical surface, without the brightness attenuation caused by a diffuse reflection coating like conventional dome light sources, the brightness utilization rate is much higher than that of conventional dome lights. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of a multi-zone, multi-angle dome light source according to this utility model;

[0021] Figure 2 yes Figure 1 A schematic diagram of the decomposition process;

[0022] Figure 3 This is a schematic diagram showing the assembly of the flexible LED circuit board of this utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the flexible LED circuit board of this utility model;

[0024] Figure 5 This is a partially exploded schematic diagram of the dome lampshade, connector, and connecting terminal assembly of this utility model;

[0025] Figure 6 yes Figure 5 An enlarged schematic diagram of region A in the middle.

[0026] The diagram includes:

[0027] 1. Dome lampshade; 11. Hemispherical inner wall; 12. First mounting ring; 121. First mounting hole; 13. Fifth mounting hole; 14. Opening; 15. Mounting protrusion; 2. Base plate; 21. Second mounting hole; 22. Seventh mounting hole; 3. Diffuser plate; 31. Hemispherical diffuser; 32. Second mounting ring; 321. Sixth mounting hole; 4. Flexible LED circuit board; 41. Working area; 42. LED beads; 5. Connecting terminal; 51. Connecting part; 52. Eighth mounting hole; 6. Connector; 61. Straight mounting part; 62. First folded part; 621. Third mounting hole; 622. Fourth mounting hole; 63. Bending part; 7. First locking bolt; 8. Second locking bolt; 9. Aviation plug. Detailed Implementation

[0028] The technical solution of this embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiment is one embodiment of the present invention, and not all embodiments thereof. Based on this embodiment of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0030] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second", such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated.

[0031] Please see Figures 1 to 6 The present invention provides a multi-zone, multi-angle dome light source, including a dome lampshade 1, a base plate 2, a diffuser plate 3, and several flexible LED circuit boards 4.

[0032] like Figure 1-4As shown, the dome lampshade 1 is fixed to one side of the base plate 2. A hemispherical inner wall 11 is formed inside the dome lampshade 1. Several flexible LED circuit boards 4 are respectively attached to the hemispherical inner wall 11, so that each flexible LED circuit board 4 forms a different illumination angle. Multiple sets of independently working areas 41 are provided on each flexible LED circuit board 4, and each working area 41 is provided with an independent cable connected to a connection terminal 5. Specifically, the flexible LED circuit board 4 in this embodiment adopts an FPC flexible circuit board, which can realize flexible... The flexible LED circuit board 4 is bent and mounted on the hemispherical inner wall 11, as shown in the figure. A total of eight flexible LED circuit boards 4 are provided. These eight flexible LED circuit boards 4 are horizontally and evenly bonded to the hemispherical inner wall 11 using thermally conductive double-sided adhesive and thermally conductive glue, completely covering the hemispherical inner wall 11. Each flexible LED circuit board 4 is bent longitudinally, forming different angles from bottom to top. In this embodiment, nine working areas are arranged longitudinally from top to bottom on each flexible LED circuit board 4. The flexible LED circuit board 41 is configured with evenly arranged LED beads 42 in each working area 41. This ensures that the surrounding direction of the flexible LED circuit board 4 is perpendicular to the direction of the working area 41, which is equivalent to forming seventy-two working areas 41 at different angles on the surface of the entire hemispherical inner wall 11. Each working area 41 is individually connected to a connecting terminal 5, and the connecting terminal 5 is connected to an aviation plug 9 to connect to an external controller, so that each working area 41 can be individually controlled to turn on or off. The entire working area 41 of the light source can be lit or turned off simultaneously, or the working area at the required angle can be lit according to the needs, making it widely applicable. The number of flexible LED circuit boards 4 and the number of working areas 41 can be adjusted according to actual needs, which will not be elaborated further. Alternatively, if the flexible LED circuit board 4 is configured in a ring structure, different diameter ring flexible LED circuit boards 4 can be arranged sequentially from top to bottom, and different independent working areas 41 can be set on the flexible LED circuit board 4, which can also realize the combination or independent operation mode of the above-mentioned independent working areas 41 at different angles.

[0033] like Figure 2 , Figure 5 and Figure 6As shown, this embodiment also includes a connector 6, whose two ends are detachably connected to the dome lampshade 1. The connector 6 has a flat mounting portion 61 for mounting the connecting terminal 5. The base plate 2 is annular, and a first mounting ring 12 extends along the side edge of the dome lampshade 1. The first mounting ring 12 and one side of the base plate 2 are detachably connected. Specifically, the front end of the connector 6 forms a first folded portion 62. The first mounting ring 12 and the base plate 2 are respectively provided with a first mounting hole 121 and a second mounting hole 21 that match each other. The first folded portion 62 is provided with a third mounting hole 621 that matches the first mounting hole 121. The first mounting hole 121, the second mounting hole 21, and the third mounting hole 621 are provided. A first locking bolt 7 passes through hole 621 to achieve a detachable connection between the first folded part 62, the first mounting ring 12, and the base plate 2. A fourth mounting hole 622 is provided at the other end of the connector 6 away from the first folded part 62. A fifth mounting hole 13 matching the fourth mounting hole 622 is provided on the dome lampshade 1. A second locking bolt 8 passes through the fourth mounting hole 622 and the fifth mounting hole 13 to achieve a detachable connection between the other end of the connector 6 and the dome lampshade 1. Both ends of the connecting terminal 5 are provided with connecting parts 51. An eighth mounting hole 52 is provided on the connecting part 51. The second locking bolt 8 locks after passing through the eighth mounting hole 52, the fourth mounting hole 622, and the fifth mounting hole 13 in sequence.

[0034] In such Figure 2 As shown, a hemispherical diffuser portion 31 matching the shape of the hemispherical inner wall 11 is formed on the diffuser plate 3. The diffuser plate 3 is fixed to the other side of the base plate 2, so that the hemispherical diffuser portion 31 is placed inside the hemispherical inner wall 11 and covers the LED beads 42. Specifically, a second mounting ring 32 is formed extending along the outer side of the diffuser plate 3. The second mounting ring 32 and the base plate 2 are respectively provided with a sixth mounting hole 321 and a seventh mounting hole 22 that match each other. The second mounting ring 32 of the diffuser plate 3 is fixed to the other side of the base plate 2 by screws or the like using the sixth mounting hole 321 and the seventh mounting hole 22.

[0035] To facilitate safe wiring in the work area 41, multiple sets of wire openings 14 are provided on the dome lampshade 1, and the leads of the connecting terminal 5 pass through the wire openings 14 to connect to the flexible LED circuit board 4.

[0036] like Figure 6As shown, preferably, a bent portion 63 is provided between the straight mounting portion 61 and the first folded portion 62 of the connector 6, and a mounting protrusion 15 is provided on the dome lampshade 1. The fifth mounting hole 13 is provided on the mounting protrusion 15. The mounting protrusion 15 cooperates with the bent portion 63 to move the straight mounting portion 61 away from the outer surface of the dome lampshade 1. By providing the bent portion 63 and the mounting protrusion 15, the connector 6 only contacts the dome lampshade 1 at its head and tail ends, while the rest of the area is suspended outside the dome lampshade 1. This allows the connecting terminal 5 to be kept away from the dome lampshade 1, preventing the temperature of the dome lampshade 1 from affecting the normal use of the connecting terminal 5 and improving the service life of the connecting terminal 5.

[0037] Briefly describing the working principle of this utility model, this utility model uses a flexible LED circuit board 4 that can be bent and can be directly installed at an angle on the hemispherical inner wall 11 of the dome lampshade 1. Furthermore, multiple independent working areas 41 are set on the flexible LED circuit board 4, and LED beads 42 are evenly arranged in each working area 41. Each working area 41 is individually connected to a connecting terminal 5, and the connecting terminal 5 is connected to an aviation plug 9 to connect to an external controller, realizing the individual control of the lighting and extinguishing of each working area 41. The entire working area 41 of the light source can be lit or extinguished simultaneously, and the working area at the required angle can also be lit according to the needs, making it widely applicable. In order to ensure the safety of the connecting terminal 5, the connector 6 in this embodiment adopts a tilted structure, so that the connecting terminal 5 is away from the dome lampshade 1.

[0038] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A multi-zone, multi-angle dome light source, characterized in that, It includes a dome lampshade (1), a base plate (2), a diffuser plate (3), and several flexible LED circuit boards (4); The dome lampshade (1) is fixed to one side of the base plate (2), forming a hemispherical inner wall (11) on the inner side of the dome lampshade (1). The plurality of flexible LED circuit boards (4) are respectively attached to the hemispherical inner wall (11), so that each flexible LED circuit board (4) forms a different illumination angle. Multiple independent working areas (41) are provided on each flexible LED circuit board (4), and each working area (41) is provided with an independent cable connected to a connection terminal (5). LED beads (42) are evenly arranged in each working area (41); A hemispherical diffuser portion (31) matching the shape of the hemispherical inner wall (11) is formed on the diffuser plate (3). The diffuser plate (3) is fixed to the other side of the base plate (2), so that the hemispherical diffuser portion (31) is placed inside the hemispherical inner wall (11) and covers the LED beads (42).

2. The multi-zone, multi-angle dome light source according to claim 1, characterized in that, The surrounding arrangement direction of the plurality of flexible LED circuit boards (4) is perpendicular to the arrangement direction of the working area (41).

3. A multi-zone, multi-angle dome light source according to claim 1, characterized in that, The flexible LED circuit board (4) is an FPC flexible LED circuit board.

4. A multi-zone, multi-angle dome light source according to claim 1, characterized in that, Multiple sets of wire openings (14) are provided on the dome lampshade (1), and the lead wire of the connecting terminal (5) passes through the wire opening (14) and connects to the flexible LED circuit board (4).

5. A multi-zone, multi-angle dome light source according to claim 1, characterized in that, A first mounting ring (12) extends along the side edge of the dome lampshade (1), and the first mounting ring (12) is detachably connected to one side of the base plate (2).

6. A multi-zone, multi-angle dome light source according to claim 5, characterized in that, It also includes a connector (6), the two ends of which are detachably connected to the dome lampshade (1), and the connector (6) is provided with a flat mounting part (61) for mounting the connecting terminal (5).

7. A multi-zone, multi-angle dome light source according to claim 6, characterized in that, The front end of the connector (6) forms a first folded portion (62). A first mounting hole (121) and a second mounting hole (21) that match each other are respectively provided on the first mounting ring (12) and the base plate (2). A third mounting hole (621) that matches the first mounting hole (121) is provided on the first folded portion (62). A first locking bolt (7) passes through the first mounting hole (121), the second mounting hole (21), and the third mounting hole (621), realizing the first... A detachable connection is made between a folded part (62), a first mounting ring (12), and a base plate (2). A fourth mounting hole (622) is provided at the other end of the connector (6) away from the first folded part (62). A fifth mounting hole (13) matching the fourth mounting hole (622) is provided on the dome lampshade (1). A second locking bolt (8) passes through the fourth mounting hole (622) and the fifth mounting hole (13) to realize the detachable connection between the other end of the connector (6) and the dome lampshade (1).

8. A multi-zone, multi-angle dome light source according to claim 7, characterized in that, A curved portion (63) is provided between the straight mounting portion (61) and the first folded portion (62). A mounting protrusion (15) is provided on the dome lampshade (1). The fifth mounting hole (13) is provided on the mounting protrusion (15). The mounting protrusion (15) cooperates with the curved portion (63) to make the straight mounting portion (61) move away from the outer surface of the dome lampshade (1).

9. A multi-zone, multi-angle dome light source according to claim 1, characterized in that, The outer edge of the diffuser plate (3) extends to form a second mounting ring (32), and the second mounting ring (32) and the base plate (2) are respectively provided with a sixth mounting hole (321) and a seventh mounting hole (22) that match each other.

10. A multi-zone, multi-angle dome light source according to claim 1, characterized in that, Each of the connection terminals (5) is externally connected to an aviation plug (9).

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