High-luminous-efficiency low-glare down lamp
By using a first reflector, floodlight, and second reflector structure in the downlight, combined with a polarizing prism and convex dots, the high cost and cumbersome assembly problems caused by the complex structure of the downlight are solved, achieving efficient lighting and anti-glare effects, reducing production costs and simplifying the assembly process.
Patent Information
- Application Number
- CN202422740872.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-09
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-11-09
AI Technical Summary
Existing downlights have complex structures, high production costs, and cumbersome assembly steps, making it difficult to balance lighting effects and anti-glare effects.
The system employs a structure consisting of a first reflector, a floodlight, and a second reflector. The floodlight is covered with polarizing prisms and raised dots. By combining the angles of the polarizing prisms and the LED beads with the tilt angle of the reflector, the system improves the lighting effect by refracting and reflecting light, and eliminates light spots by dispersing light through the raised dots. The anti-glare mesh is removed to simplify the structure.
It achieves efficient lighting and anti-glare effects, while reducing production costs and assembly difficulty, simplifying assembly steps, and improving production efficiency.
Smart Images
Figure CN223499396U_ABST
Abstract
Description
[Technical Field]
[0001] This utility model relates to the field of lighting, and in particular to a high-efficiency, low-glare downlight. [Background Technology]
[0002] In existing downlight structures, reflectors and convex lenses are often required to change the angle of light illumination, making the light more concentrated and improving brightness. At the same time, in order to eliminate light spots and prevent glare, floodlights and anti-glare nets are needed to reduce glare. However, floodlights and anti-glare nets can affect the propagation of some light, resulting in poor lighting performance. Therefore, due to their complex assembly structure, existing downlight structures not only have high production costs and cumbersome assembly steps, but also make it difficult to achieve both lighting and anti-glare effects.
[0003] To address the aforementioned problems, this invention provides a high-efficiency, low-glare downlight. [Utility Model Content]
[0004] In order to reduce production costs and facilitate assembly while taking into account both lighting effect and anti-glare effect, this utility model provides a high-efficiency, low-glare downlight.
[0005] To solve the above problems, this utility model provides the following technical solution:
[0006] A high-efficiency, low-glare downlight, characterized in that: it includes a housing, a lamp plate is provided inside the housing, a first reflector is provided inside the housing and below the lamp plate, a plurality of LEDs are provided in the cup opening of the lamp plate and above the first reflector, a floodlight plate for adjusting the beam angle and homogenizing the light spot is provided inside the housing and below the first reflector, a second reflector is provided below the floodlight plate, a plurality of polarizing prisms inclined towards the center are distributed on the side of the floodlight plate near the lamp plate, a plurality of protrusions are distributed on the side of the floodlight plate near the second reflector, the area of the floodlight plate is not less than the area of the lower cup opening of the first reflector and the upper cup opening of the second reflector, the distance F between the floodlight plate and the lamp plate is one-third of the distance E between the lamp plate and the light outlet, and the polarizing prisms are at the same center as the floodlight plate and coincide with the axis of the first reflector and the second reflector.
[0007] The high-efficiency, low-glare downlight described above is characterized in that: the tilt angle R of the polarizing prisms gradually increases from the center to the outer edge and the tilt angle R ranges from 10° to 75°; the spacing D between the polarizing prisms gradually decreases from the center to the outer edge and its length ranges from 0.65mm to 0.2mm.
[0008] The high-efficiency, low-glare downlight described above is characterized in that: the protrusions are smooth arc surfaces and are arranged in a Fermat spiral shape, and the height of the protrusions from the reference plane of the floodlight plate does not exceed 0.5mm.
[0009] The high-efficiency, low-glare downlight described above is characterized in that the spacing between the lamp beads ranges from 0.5mm to 1mm.
[0010] The high-efficiency, low-glare downlight described above is characterized in that: a groove is provided on the inner wall of the housing above the floodlight plate, and a rubber ring is provided in the groove to abut against the floodlight plate.
[0011] The high-efficiency, low-glare downlight described above is characterized in that: a plurality of heat sinks are provided on the outer wall of the housing, and the heat sinks and the housing are integral parts.
[0012] The high-efficiency, low-glare downlight described above is characterized in that: a plurality of slots are provided on the inner wall of the housing, and a buckle that engages with the slots is provided on the outer wall of the second reflector.
[0013] The high-efficiency, low-glare downlight described above is characterized in that: a wiring hole for connecting a power cord is provided at the upper end of the housing, and fixing parts for installing and using the downlight are symmetrically provided on both sides of the housing.
[0014] Compared with the prior art, the present invention has the following advantages:
[0015] This utility model of a high-efficiency, low-glare downlight includes a first reflector, a floodlight plate, and a second reflector. The floodlight plate has several polarizing prisms inclined towards the center on the side closest to the lamp panel, and several protrusions on the side closest to the second reflector. The polarizing prisms form an appropriate angle with the direct angle of the lamp beads and the tilt angle of the first reflector to constrain outward-scattered light, changing the illumination angle and refracting light from a wider range of illumination angles towards the light outlet. Further reflection and constraint by the second reflector concentrates the illumination area, enhancing the lighting effect. Simultaneously, the protrusions act like tiny convex lenses, effectively dispersing light and eliminating light spots, resulting in more uniform illumination and effectively reducing glare. This downlight structure achieves both lighting and anti-glare effects. Furthermore, the assembly structure is simple. Compared to existing downlight structures, the improved floodlight structure eliminates convex lenses and anti-glare mesh, resulting in fewer assembly parts. Therefore, it reduces production costs, streamlines assembly steps, and improves production efficiency. [Attached Image Description]
[0016] Figure 1 This is a 3D view of the downlight;
[0017] Figure 2 This is a bottom view of the downlight;
[0018] Figure 3 yes Figure 2 A cross-sectional view along the AA direction;
[0019] Figure 4 This is the first exploded view of the downlight;
[0020] Figure 5 This is the second exploded view of the downlight;
[0021] Figure 6 This is the first enlarged view of the floodlight;
[0022] Figure 7 This is the second enlarged view of the floodlight;
[0023] Figure 8 This is a cross-sectional view of the floodlight.
[0024] Figure 9 yes Figure 8 Enlarged view of region C in the middle;
[0025] In the diagram: 1 is the housing; 2 is the lamp board; 3 is the lamp bead; 4 is the first reflector; 5 is the floodlight plate; 6 is the second reflector; 7 is the polarizing prism; 8 is the protrusion; 9 is the groove; 10 is the rubber ring; 11 is the slot; 12 is the buckle; 13 is the heat sink; 14 is the wiring hole; 15 is the fixing component.
Detailed Implementation Methods
[0026] The technical features of this utility model will be further described in detail below with reference to the accompanying drawings so that those skilled in the art can understand them. The directions described herein, such as up, down, left, and right, are related to the accompanying drawings. Figure 3 The orientation shown in the image is consistent.
[0027] A high-efficiency, low-glare downlight, such as Figures 1-9As shown, the device includes a housing 1, a lamp plate 2 inside the housing 1, a first reflector 4 inside the housing 1 and below the lamp plate 2, and a plurality of LED beads 3 inside the cup opening at the upper end of the first reflector 4 on the lamp plate 2. A floodlight plate 5 for adjusting the beam angle and homogenizing the light spot is located inside the housing 1 and below the first reflector 4. A second reflector 6 is located below the floodlight plate 5. A plurality of polarizing prisms 7 inclined towards the center are distributed on the side of the floodlight plate 5 near the lamp plate 2. A plurality of protrusions 8 are distributed on the side of the floodlight plate 5 near the second reflector 6. These protrusions 8 act like tiny convex lenses, effectively dispersing light and eliminating light spots, making the emitted light more uniform and thus effectively reducing glare. The area of the floodlight plate 5 is not smaller than the area of the lower cup opening of the first reflector 4 and the upper cup opening of the second reflector 6. The area of the end cup is such that the floodlight plate 5 can fully receive the light scattered in all directions by the lamp beads 3, as well as the light reflected by the first reflector cup 4. The distance F between the floodlight plate 5 and the lamp plate 2 is one-third of the distance E between the lamp plate 2 and the light outlet, so that the polarizing prism 7 can form an appropriate angle with the direct angle of the lamp beads 3 and the tilt angle of the first reflector cup 4 to constrain the light scattered outward, change the illumination angle of the light, and refract the light with a larger illumination angle range toward the light outlet. Then, through the further reflection and constraint by the second reflector cup 6, the illumination area can be made more concentrated and the illumination effect enhanced. The center of the polarizing prism 7 is the same as that of the floodlight plate 5 and coincides with the axis of the first reflector cup 4 and the second reflector cup 6, so that the deflection angle of the polarizing prism 7 is more regular and it is easier to refract the illumination angle of the light toward the light outlet.
[0028] Specifically, the tilt angle R of the polarizing prism 7 gradually increases from the center to the outer edge and the tilt angle R ranges from 10° to 75°. The spacing D between the polarizing prisms 7 gradually decreases from the center to the outer edge and its length ranges from 0.65mm to 0.2mm. The changing tilt angle R and spacing D can correspond to different light illumination angles, so that the polarizing prism 7 can refract light at different angles toward the light outlet.
[0029] In addition, the protrusions 8 are smooth arc surfaces and are arranged in a Fermat spiral shape, which can effectively disperse light and eliminate light spots, making the emitted light more uniform and effectively reducing glare. The height of the protrusions 8 from the reference plane of the floodlight plate 5 does not exceed 0.5mm, so as to prevent the protrusions 8 from excessively deflecting the light and affecting the lighting effect.
[0030] In addition, the spacing between the LED beads 3 is in the range of 0.5mm to 1mm. The close arrangement of the LED beads 3 can make the light source denser and enhance the lighting brightness. At the same time, the concentration of the light source point can reduce light spots and shadows.
[0031] Specifically, a groove 9 is provided on the inner wall of the housing 1 above the floodlight 5. A rubber ring 10 is provided in the groove 9 to abut against the floodlight 5. The rubber ring 10 has a waterproof effect, which allows the downlight to be used in humid environments such as bathrooms. At the same time, the rubber ring 10 is elastic, which can compensate for structural errors and make the floodlight 5 and the second reflector 6 fit tightly together, preventing the floodlight 5 from shaking and affecting the lighting effect.
[0032] In addition, a number of heat sinks 13 are provided on the outer wall of the housing 1 to accelerate heat dissipation and prevent the temperature of the lamp board 2 from getting too high. The heat sinks 13 and the housing 1 are an integral part, which facilitates assembly and production.
[0033] Specifically, multiple slots 11 are provided on the inner wall of the housing 1, and corresponding buckles 12 are provided on the outer wall of the second reflector 6 to engage with the slots 11. When assembling the downlight, the lamp plate 2 is first fixed inside the housing 1 with screws, then the rubber ring 10, the first reflector 4, and the floodlight 5 are placed and installed into the housing 1 in sequence, and finally the second reflector 6 is fastened and installed into the housing 1 to complete the assembly of the downlight. At this time, the first reflector 4 and the floodlight 5 are fixed by the abutment of the second reflector 6. The assembly structure of this downlight is simple. Compared with the existing downlight structure, the structure of the floodlight is improved, the convex lens and anti-glare mesh are removed, and there are fewer assembly parts. Therefore, it can reduce production costs, reduce assembly steps, and improve production and assembly efficiency.
[0034] In addition, a wiring hole 14 for connecting the power cord is provided at the upper end of the housing 1, which makes wiring very convenient. If the downlight is used in a humid environment such as a bathroom, the wiring hole 14 can be filled with waterproof glue after wiring to enhance the waterproof effect of the downlight. Fixing members 15 for installing the downlight are symmetrically provided on both sides of the housing 1. When installing and using the downlight, it can be directly inserted into the mounting hole on the ceiling. The fixing member 15 can lock the mounting hole, making the installation stable and convenient.
[0035] The embodiments described herein are merely preferred embodiments of the present invention and are not limited to the precise structures described above and shown in the accompanying drawings. Various modifications and changes can be made without departing from the scope thereof. Any variations and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the design concept of the present invention shall fall within the protection scope of the present invention.
Claims
1. A high-efficiency, low-glare downlight, characterized in that: The device includes a housing (1), a lamp plate (2) inside the housing (1), a first reflector (4) inside the housing (1) and below the lamp plate (2), a plurality of lamp beads (3) inside the cup opening of the lamp plate (2) at the upper end of the first reflector (4), a floodlight plate (5) for adjusting the beam angle and homogenizing the light spot inside the housing (1) and below the first reflector (4), a second reflector (6) below the floodlight plate (5), and a plurality of lamp beads (3) distributed on the side of the floodlight plate (5) near the lamp plate (2). Several polarizing prisms (7) inclined towards the center are covered with several protrusions (8) on the side of the floodlight plate (5) near the second reflector cup (6). The area of the floodlight plate (5) is not less than the area of the lower cup mouth of the first reflector cup (4) and the upper cup mouth of the second reflector cup (6). The distance F between the floodlight plate (5) and the lamp plate (2) is one-third of the distance E between the lamp plate (2) and the light outlet. The polarizing prisms (7) are the same as the center of the floodlight plate (5) and coincide with the axis of the first reflector cup (4) and the second reflector cup (6).
2. The high-efficiency, low-glare downlight according to claim 1, characterized in that: The tilt angle R of the polarizing prism (7) gradually increases from the center to the outer edge and the tilt angle R ranges from 10° to 75°. The spacing D between the polarizing prisms (7) gradually decreases from the center to the outer edge and its length ranges from 0.65 mm to 0.2 mm.
3. The high-efficiency, low-glare downlight according to claim 1, characterized in that: The protrusions (8) are smooth arc surfaces and are arranged in a Fermat spiral shape. The height of the protrusions (8) protruding from the reference plane of the floodlight plate (5) does not exceed 0.5 mm.
4. The high-efficiency, low-glare downlight according to claim 1, characterized in that: The spacing between the lamp beads (3) ranges from 0.5 mm to 1 mm.
5. The high-efficiency, low-glare downlight according to any one of claims 1 to 4, characterized in that: A groove (9) is provided on the inner wall of the housing (1) and above the floodlight plate (5), and a rubber ring (10) is provided in the groove (9) to abut against the floodlight plate (5).
6. The high-efficiency, low-glare downlight according to any one of claims 1 to 4, characterized in that: A plurality of heat sinks (13) are provided on the outer wall of the housing (1), and the heat sinks (13) and the housing (1) are integral parts.
7. The high-efficiency, low-glare downlight according to any one of claims 1 to 4, characterized in that: Multiple slots (11) are provided on the inner wall of the housing (1), and buckles (12) that engage with the slots (11) are provided on the outer wall of the second reflector (6).
8. The high-efficiency, low-glare downlight according to any one of claims 1 to 4, characterized in that: The upper end of the housing (1) is provided with a wiring hole (14) for connecting the power cord, and the two sides of the housing (1) are symmetrically provided with fasteners (15) for installing the downlight.