Anti-dazzle grating microcrystal blackboard lamp

By designing an S-shaped anti-glare grille and a vacuum coating layer on the blackboard light, combined with angle adjustment and positioning components, the problems of uneven lighting and glare in existing blackboard lights have been solved, achieving uniform lighting and anti-glare effects, and improving the comfort of the teaching environment.

CN223840224UActive Publication Date: 2026-01-27NINGBO XINGYAO INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202520191502.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-27
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Existing blackboard lights suffer from uneven light distribution, severe glare, and low lighting efficiency, which affect students' visual health.

Method used

An anti-glare grid microcrystalline blackboard light was designed, which uses an S-shaped anti-glare grid and a vacuum coating layer, combined with angle adjustment and positioning components to ensure uniform light distribution and reduce glare. The angle of light projection is controlled by adding a grid frame to the outside of the light-transmitting plate.

Benefits of technology

It achieves uniform light emission, reduces glare, improves the lighting efficiency of the blackboard area, avoids eye irritation for students, and is easy and quick to install and disassemble.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-dazzle grating microcrystal blackboard lamp which comprises a blackboard lamp main shell, an LED lamp bead, a diffusion lens, a light-transmitting plate and a grating frame are sequentially installed on the inner side of the blackboard lamp main shell from inside to outside, and a plurality of anti-dazzle gratings of an S-shaped structure are distributed on the grating frame at equal intervals. The grating frame with the S-shaped anti-dazzle grating is additionally arranged on the outer side of the light-transmitting plate, the S-shaped anti-dazzle grating enables light rays to be projected downwards within a certain angle range, scattering of the light rays to other areas of a classroom is reduced, and the lighting efficiency of the blackboard area is improved; uniform emission of light can be guaranteed, part of glare can be effectively blocked, and stimulation to eyes of students is avoided. The grating frame and the main shell are assembled in a clamped mode, and mounting and dismounting are convenient and fast; and the positioning assembly is designed, so that the position of the blackboard lamp is limited after position adjustment is completed, and the situation that due to light touch, the position of the blackboard lamp main shell deviates, and the blackboard lighting effect is affected is avoided.
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Description

Technical Field

[0001] This utility model belongs to the field of blackboard light technology, specifically relating to an anti-glare grid microcrystalline blackboard light. Background Technology

[0002] With the continuous development of technology, people's requirements for various daily necessities are gradually increasing. The blackboard lights currently used in schools usually have several LED lights installed directly above the blackboard, and then a reflector is installed on the lights.

[0003] Existing blackboard lights often suffer from uneven light distribution, severe glare, and low lighting efficiency. When the light is uneven, some areas on the blackboard may be too bright or too dark, affecting students' ability to clearly see the content written on the board; glare can cause eye fatigue, discomfort, and even damage to students' eyesight. Utility Model Content

[0004] The purpose of this invention is to provide an anti-glare grid microcrystalline blackboard light to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an anti-glare grid microcrystalline blackboard light, comprising a main housing of the blackboard light, a pair of hanging installation components on the top of the main housing, the hanging installation components including a mounting rod installed on the top of the wall, an upper mounting plate installed at the bottom of the mounting rod, and a lower mounting plate horizontally limited and slidably installed on the top of the main housing, the lower mounting plate and the upper mounting plate being rotatably connected by a pin, an angle adjustment component being provided between the lower mounting plate and the upper mounting plate, a driver for driving LED beads being installed on the top of the main housing, matching profile end caps being respectively engaged at both ends of the main housing, LED beads, a diffusion lens, a light-transmitting plate and a grid frame being sequentially installed from the inside to the outside of the main housing, multiple anti-glare grids in an S-shaped structure being evenly distributed on the grid frame, a vacuum coating layer being provided on both the anti-glare grids and the grid frame, and a positioning component being provided on the lower mounting plate for limiting the relative sliding between the lower mounting plate and the main housing of the blackboard light.

[0006] Preferably, the angle adjustment component includes an arc-shaped adjustment hole on the lower mounting plate and an adjustment bolt that passes through the arc-shaped adjustment hole and is threadedly connected to the upper mounting plate. The lower mounting plate and the upper mounting plate are pressed together by rotating the adjustment bolt.

[0007] Preferably, the center of the arc of the arc-shaped adjustment hole coincides with the center of the pin.

[0008] Preferably, the bottom end of the mounting rod is a screw structure, and the upper mounting plate is height-adjustable by a pair of nuts connected to the screw on the mounting rod.

[0009] Preferably, a heat dissipation silicone pad is provided between the LED lamp bead and the main housing of the blackboard lamp for heat dissipation, and the heat dissipation silicone pad is snapped into the main housing of the blackboard lamp. The diffuser lens, light-transmitting plate and grid frame are all installed in conjunction with the main housing of the blackboard lamp through slots.

[0010] Preferably, the positioning assembly includes a pair of positioning bolts symmetrically arranged on the lower mounting plate, the positioning bolts being screwed through the lower mounting plate, and the bottom end of the positioning bolts abutting against the top surface of the blackboard lamp main housing.

[0011] Preferably, the positioning component includes a pair of telescopic grooves symmetrically arranged on the lower mounting plate, a positioning bead movably installed at the outlet of the telescopic groove, a spring for rebound between the telescopic groove and the positioning bead, and two rows of positioning grooves arranged on the main housing of the blackboard lamp, wherein the positioning bead can engage with any one of the corresponding positioning grooves for positioning.

[0012] Preferably, the telescopic groove and the lower mounting plate are integrally formed as a single structure.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] By adding a grid frame with an S-shaped anti-glare grille to the outside of the light-transmitting panel, the S-shaped anti-glare grille allows light to be projected downwards within a certain angle range, reducing light scattering to other areas of the classroom and improving the lighting efficiency of the blackboard area; it can ensure uniform light output and effectively block some glare, avoiding irritation to students' eyes; and the grid frame is snapped together with the main shell, making installation and disassembly convenient and quick.

[0015] A positioning component was designed to restrict the position of the blackboard light after the position adjustment is completed, so that the main body of the blackboard light will not shift due to a slight touch, thus affecting the blackboard lighting effect. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a front view structural diagram of the present utility model;

[0018] Figure 3 This is a partially enlarged structural schematic diagram of the present invention;

[0019] Figure 4 This is a partial side view of the structure of this utility model;

[0020] Figure 5 This is a cross-sectional structural diagram of Example 1;

[0021] Figure 6 This is a cross-sectional structural diagram of Example 2;

[0022] In the diagram: 1. Main housing of the blackboard light; 2. Profile end cap; 3. Mounting rod; 4. Driver; 5. Anti-glare grille; 6. Light-transmitting plate; 7. Adjusting bolt; 8. Lower mounting plate; 9. Upper mounting plate; 10. Arc-shaped adjustment hole; 11. Pin; 12. Positioning bolt; 13. Diffuser lens; 14. Grille frame; 15. Positioning bead; 16. Spring; 17. Telescopic groove; 18. Positioning groove; 19. LED lamp bead. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1

[0025] Please see Figure 1 and Figure 5This utility model provides a technical solution: an anti-glare grid microcrystalline blackboard light, including a blackboard light main housing 1. A pair of hanging installation components are provided on the top of the main housing 1. Each hanging installation component includes a mounting rod 3 installed on the top of the wall, an upper mounting plate 9 installed at the bottom of the mounting rod 3, and a lower mounting plate 8 horizontally limited and slidably installed on the top of the main housing 1. The lower mounting plate 8 and the upper mounting plate 9 are rotatably connected by a pin 11. An angle adjustment component is also provided between the lower mounting plate 8 and the upper mounting plate 9. A driver 4 is installed to drive LED beads 19. Matching profile end caps 2 are respectively engaged at both ends of the blackboard lamp main housing 1. From the inside out, the inner side of the blackboard lamp main housing 1 is sequentially equipped with LED beads 19, a diffusion lens 13, a light-transmitting plate 6, and a grid frame 14. Multiple S-shaped anti-glare grids 5 are evenly distributed on the grid frame 14. Both the anti-glare grids 5 and the grid frame 14 are coated with a vacuum coating layer. The lower mounting plate 8 is also equipped with a positioning component to limit the relative sliding between the lower mounting plate 8 and the blackboard lamp main housing 1. In this embodiment, preferably, the angle adjustment component includes an arc-shaped adjustment hole 10 opened on the lower mounting plate 8, and an adjustment bolt 7 passing through the arc-shaped adjustment hole 10 and threadedly connected to the upper mounting plate 9. By rotating the adjustment bolt 7, the lower mounting plate 8 and the upper mounting plate 9 are pressed together, allowing for rotational adjustment and achieving adjustable angle of the blackboard lamp illumination, thus improving the illumination range. In this embodiment, preferably, the center of the arc of the arc-shaped adjustment hole 10 coincides with the center of the pin 11 to ensure a consistent rotation path and smooth rotation. In this embodiment, preferably, the bottom end of the mounting rod 3 is a screw structure, and the upper mounting plate 9 is height-adjustable via a pair of nuts connected to the screw on the mounting rod 3, allowing for height adjustment and ensuring lighting effectiveness. In this embodiment, preferably, a heat-dissipating silicone pad is provided between the LED bead 19 and the blackboard lamp main housing 1 for heat dissipation, providing good heat dissipation and ensuring the lifespan of the LED bead 19. The heat-dissipating silicone pad is snap-fitted into the blackboard lamp main housing 1. The diffuser lens 13, the light-transmitting plate 6, and the grid frame 14 are all snap-fitted into the blackboard lamp main housing 1 via slots, ensuring stable installation and convenient and quick assembly and disassembly.

[0026] In this embodiment, preferably, the positioning component includes a pair of positioning bolts 12 symmetrically arranged on the lower mounting plate 8. The positioning bolts 12 are screwed through the lower mounting plate 8, and the bottom end of the positioning bolts 12 abuts against the top surface of the blackboard lamp main housing 1; this enables rapid positioning so that the lower mounting plate 8 will not easily slide on the blackboard lamp main housing 1.

[0027] Example 2

[0028] Please see Figure 6The difference between this embodiment and the above embodiment 1 is that, in this embodiment, preferably, the positioning component includes a pair of telescopic grooves 17 symmetrically arranged on the lower mounting piece 8, a positioning bead 15 movably installed at the outlet of the telescopic groove 17, a spring 16 for rebound between the telescopic groove 17 and the positioning bead 15, and two rows of positioning grooves 18 arranged on the main housing 1 of the blackboard lamp. The positioning bead 15 can engage with any one of the corresponding positioning grooves 18 for positioning. This enables rapid positioning, so that the lower mounting piece 8 will not easily slide on the main housing 1 of the blackboard lamp, and the telescopic groove 17 and the lower mounting piece 8 are integrally formed structures.

[0029] Although embodiments of the present invention have been shown and described in detail above, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A glare-proof grid microcrystalline blackboard light, comprising a blackboard light main housing (1), wherein a pair of hanging mounting components are provided on the top of the blackboard light main housing (1), the hanging mounting components comprising a mounting rod (3) mounted on the top of the wall, an upper mounting plate (9) mounted on the bottom end of the mounting rod (3), and a lower mounting plate (8) horizontally limited and slidably mounted on the top of the blackboard light main housing (1), the lower mounting plate (8) and the upper mounting plate (9) being rotatably connected by a pin (11), and an angle adjustment component being provided between the lower mounting plate (8) and the upper mounting plate (9), wherein a driver (4) for driving LED beads (19) is installed on the top of the blackboard light main housing (1), and matching profile end caps (2) are respectively engaged at both ends of the blackboard light main housing (1), characterized in that: The inner side of the blackboard lamp main housing (1) is equipped with LED lamp beads (19), diffusion lens (13), light-transmitting plate (6) and grid frame (14) in sequence from the inside to the outside. Multiple anti-glare grids (5) with S-shaped structure are evenly distributed on the grid frame (14). Vacuum coating layer is provided on both the anti-glare grids (5) and the grid frame (14). The lower mounting plate (8) is also provided with a positioning component for limiting the relative sliding between the lower mounting plate (8) and the blackboard lamp main housing (1).

2. The anti-glare grid microcrystalline blackboard light according to claim 1, characterized in that: The angle adjustment component includes an arc-shaped adjustment hole (10) on the lower mounting plate (8) and an adjustment bolt (7) that passes through the arc-shaped adjustment hole (10) and is threadedly connected to the upper mounting plate (9). By rotating the adjustment bolt (7), the lower mounting plate (8) and the upper mounting plate (9) are pressed together.

3. The anti-glare grid microcrystalline blackboard light according to claim 2, characterized in that: The center of the arc of the arc-shaped adjustment hole (10) coincides with the center of the pin (11).

4. The anti-glare grille microcrystalline blackboard light according to claim 1, characterized in that: The bottom end of the mounting rod (3) is a screw structure, and the upper mounting plate (9) is height adjustable by a pair of nuts connected to the screw on the mounting rod (3).

5. The anti-glare grid microcrystalline blackboard light according to claim 1, characterized in that: A heat dissipation silicone pad is provided between the LED lamp bead (19) and the blackboard lamp main housing (1) for heat dissipation, and the heat dissipation silicone pad is engaged with the blackboard lamp main housing (1). The diffuser lens (13), the light-transmitting plate (6) and the grid frame (14) are all engaged with the blackboard lamp main housing (1) through a slot.

6. The anti-glare grid microcrystalline blackboard light according to claim 1, characterized in that: The positioning assembly includes a pair of positioning bolts (12) symmetrically arranged on the lower mounting plate (8), the positioning bolts (12) being screwed through the lower mounting plate (8), and the bottom end of the positioning bolts (12) abutting against the top surface of the blackboard lamp main housing (1).

7. The anti-glare grille microcrystalline blackboard light according to claim 1, characterized in that: The positioning component includes a pair of telescopic grooves (17) symmetrically arranged on the lower mounting plate (8), a positioning bead (15) movably installed at the outlet of the telescopic groove (17), a spring (16) for rebound between the telescopic groove (17) and the positioning bead (15), and two rows of positioning grooves (18) arranged on the main housing (1) of the blackboard lamp. The positioning bead (15) can engage with any one of the corresponding row of positioning grooves (18) for positioning.

8. The anti-glare grille microcrystalline blackboard light according to claim 7, characterized in that: The telescopic groove (17) and the lower mounting plate (8) are integrally formed as a single structure.