Down lamp with high luminous efficiency and low glare

Abstract

The utility model relates to a down lamp with high luminous efficiency and low glare, which comprises a down lamp body, the substrate is provided with a plurality of lamp beads; the reflection cup is connected with the substrate and used for surrounding the lamp beads, and the inner wall of the reflection cup is designed to be a diffusion inclined plane; the lens module is arranged at the position of a light outlet of the reflection cup, the lens module comprises a first lens located in the middle in a protruding mode, and a plurality of second lenses arranged in a surrounding mode are arranged on the periphery of the first lens. In addition, the design of the lens adopts a first lens with a convex middle part and a surrounding second lens at the periphery to form a petal shape, and Fermat screw optics is added, so that the angle of the lens is enlarged and is greater than 60 degrees, the Fermat screw optics reduces glare, and finally, the aims of low glare and light parameter reaching the national level 1 energy efficiency standard are achieved.

Description

Technical Field

[0001] This utility model relates to the field of downlights, and in particular to a downlight with high luminous efficiency and low glare. Background Technology

[0002] Current downlights are made using SMD combined with PS diffuser plates. This type of downlight has low light efficiency and high glare, so it needs to be improved. Utility Model Content

[0003] To address the aforementioned issues, this technical solution provides a downlight with high luminous efficiency and low glare.

[0004] To achieve the above objectives, the technical solution is as follows:

[0005] A high-efficiency, low-glare downlight includes a downlight body, wherein the downlight body comprises;

[0006] The substrate has multiple LED beads;

[0007] A reflector cup, connected to the substrate, is used to surround the LED beads. The inner wall of the reflector cup has a diffused sloping design.

[0008] A lens module is disposed at the light outlet of the reflector cup. The lens module includes a first lens that is raised in the middle, and a plurality of second lenses are disposed around the outer periphery of the first lens.

[0009] In some embodiments, the lens module employs a Fermat spiral optical design.

[0010] In some embodiments, the reflector cup has a plurality of first buckles on its outer side, and the downlight body has a first snap-fit ​​block inside for engaging with the first buckles.

[0011] In some embodiments, the outer side of the reflector cup is provided with a plurality of second buckles, and the lens module is provided with a snap-fit ​​step for engaging with the second buckles.

[0012] In some embodiments, a reflector for refracting the light from the lens module is also included, wherein a third buckle is provided on the outer periphery of the reflector, and a second snap-fit ​​block is provided inside the downlight body to cooperate with the third buckle.

[0013] In some embodiments, the upper end of the reflector cup extends into a limiting portion, and the lens module is provided with a limiting step that cooperates with the limiting portion.

[0014] The beneficial effects of this application are:

[0015] This application increases light extraction efficiency by using a diffused reflector cup, achieving a light utilization rate of over 88%. In addition, the lens design uses a first lens with a central convex shape and a second lens with an encircling shape to form a petal shape. Combined with Fermat spiral optics, the angle is increased to over 60 degrees. Fermat spiral optics reduce glare, ultimately achieving low glare and light parameters that meet the national level 1 energy efficiency standard. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0017] Figure 1 This is an exploded structural diagram of an embodiment of the present invention;

[0018] Figure 2 This is a cross-sectional schematic diagram of an embodiment of the present invention. Detailed Implementation

[0019] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0020] Please refer to Figure 1-2 As shown, a high-efficiency, low-glare downlight includes a downlight body 1, wherein the downlight body 1 includes;

[0021] Substrate 2, which is provided with multiple LED beads 3;

[0022] The reflector cup 4 is connected to the substrate 2 and is used to surround the lamp bead 3. The inner wall of the reflector cup 4 is designed with a diffusion slope.

[0023] The lens module 5 is disposed at the light outlet of the reflector cup 4. The lens module 5 includes a first lens 51 that is raised in the middle, and a plurality of second lenses 52 are disposed around the outer periphery of the first lens 51.

[0024] This application increases light extraction efficiency by using a diffused reflector cup, achieving a light utilization rate of over 88%. In addition, the lens design uses a first lens with a central convex shape and a second lens with an encircling shape to form a petal shape. Combined with Fermat spiral optics, the angle is increased to over 60 degrees. Fermat spiral optics reduce glare, ultimately achieving low glare and light parameters that meet the national level 1 energy efficiency standard.

[0025] In this embodiment, the lens module 5 adopts a Fermat spiral optical design.

[0026] In this embodiment, the reflector cup 4 is provided with a plurality of first buckles 6 on its outer side, and the downlight body 1 is provided with a first snap-fit ​​block 7 for cooperating with the first buckles 6. During assembly, the first buckles are snapped onto the first snap-fit ​​block to achieve quick assembly.

[0027] In this embodiment, the outer side of the reflector cup 4 is provided with a plurality of second buckles 8, and the lens module 5 is provided with a snap-fit ​​step 9 for engaging with the second buckles 8. During assembly, the lens module is precisely assembled at the light outlet of the reflector cup to ensure that the position of the lens module is completely opposite to the lamp bead and to avoid light loss.

[0028] In this embodiment, a reflector 10 for refracting the light from the lens module 5 is also included. The reflector 10 has a third buckle 11 on its outer periphery, and the downlight body 1 has a second snap block 12 inside that cooperates with the third buckle 11. This allows for quick assembly of the reflector and further improves the light output efficiency.

[0029] In this embodiment, the upper end of the reflector cup 4 extends into a limiting part 13, and the lens module 5 is provided with a limiting step that cooperates with the limiting part 13. The limiting assembly of the lens module further improves the positional accuracy.

[0030] The above description is only a preferred embodiment of this application and is not intended to limit the scope of implementation of this application. Any other embodiments whose principles and basic structures are the same as or similar to those of this application are within the protection scope of this application.

Claims

1. A high-efficiency, low-glare downlight, characterized in that, Includes a downlight body (1), the downlight body (1) includes; The substrate (2) is provided with multiple LED beads (3); A reflector cup (4) is connected to the substrate (2) and is used to surround the lamp bead (3). The inner wall of the reflector cup (4) is designed with a diffusion slope. The lens module (5) is located at the light outlet of the reflector (4). The lens module (5) includes a first lens (51) that is raised in the middle, and a plurality of second lenses (52) are arranged around the outer periphery of the first lens (51).

2. The high-efficiency, low-glare downlight according to claim 1, characterized in that: The lens module (5) adopts a Fermat spiral optical design.

3. A high-efficiency, low-glare downlight according to claim 1, characterized in that: The reflector cup (4) is provided with a plurality of first buckles (6) on the outside, and the downlight body (1) is provided with a first snap block (7) for cooperating with the first buckles (6).

4. A high-efficiency, low-glare downlight according to claim 3, characterized in that: The outer side of the reflector cup (4) is provided with a plurality of second buckles (8), and the lens module (5) is provided with a snap-fit ​​step (9) for engaging with the second buckles (8).

5. A high-efficiency, low-glare downlight according to claim 4, characterized in that: It also includes a reflector (10) for refracting the light from the lens module (5), the reflector (10) having a third buckle (11) on its outer periphery, and the downlight body (1) having a second snap block (12) inside that engages with the third buckle (11).

6. A high-efficiency, low-glare downlight according to claim 1, characterized in that: The upper end of the reflector cup (4) extends into a limiting part (13), and the lens module (5) is provided with a limiting step that cooperates with the limiting part (13).

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