CN213394873U

CN213394873U - LED eyeshield anti-dazzle grid blackboard lamp

Info

Publication number: CN213394873U
Application number: CN202022746768.7U
Authority: CN
Inventors: 罗星园
Original assignee: Hunan Pinwan Technology Co ltd
Current assignee: Hunan Pinwan Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-06-08
Anticipated expiration: 2030-11-24

Abstract

The utility model relates to a classroom clipboard lighting technology field specifically is a LED eyeshield grid blackboard lamp that prevents dazzling, including a radiator shell, one or more LED light source module, one or more lens, one or more grid board, one or more drive module, two end covers and a plurality of screw, the inside drive module that is provided with of radiator shell, the inside of radiator shell is inserted and is equipped with LED light source module, the lower surface of LED light source module evenly is provided with lens. The utility model discloses an adopt polarizing lens, lamps and lanterns only shine light to clipboard (blackboard) direction, improve the average illuminance and the illuminance homogeneity of clipboard (blackboard) writing surface, are simultaneously at the light-emitting port loading grid of blackboard lamp. When the surface of the writing board (blackboard) is lightened, the teacher can not be directly irradiated by the luminous light of the lamp, so that glare is reduced, eye fatigue of the teacher is avoided, vision reduction is avoided, and the working environment comfort level of the teacher in the teaching time period is improved.

Description

LED eyeshield anti-dazzle grid blackboard lamp

Technical Field

The utility model relates to a classroom clipboard lighting technology field specifically is a LED eyeshield grid blackboard lamp that prevents dazzling.

Background

The LED light source is widely applied to the aspect of illumination as a semiconductor cold light source, and the LED anti-dazzle eye-protecting grid blackboard lamp is mainly applied to scenes in which writing boards of ordinary classrooms, scientific classrooms, voice classrooms, art classrooms, offices, training institutions, exhibition halls and the like need uniform and key illumination.

At present, a lamp for providing key illumination for a writing board (blackboard) in a traditional classroom usually adopts a non-directional large-angle light source such as an energy-saving lamp tube or an LEDT8 lamp tube, and the average illumination of the writing surface of the writing board (blackboard) is improved by increasing the light power of the lamp, so that the glare of the blackboard lamp sensed by a teacher is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-dazzle grid blackboard lamp of LED eyeshield to solve the problem of the glare that the LED light source that provides produced among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a LED eyeshield anti-dazzle grid blackboard lamp, includes a radiator shell, one or more LED light source module, one or more lens, one or more grid plate, one or more drive module, two end covers and a plurality of screw, the inside drive module that is provided with of radiator shell, the inside of radiator shell is inserted and is equipped with LED light source module, the lower surface of LED light source module evenly is provided with lens, the even joint in inside of radiator shell has the grid plate, the both ends of radiator shell all are provided with the end cover, radiator shell's upper surface is provided with a plurality of screws.

Preferably, the light outlet of the radiator shell is provided with a plurality of convex semicircular wave-shaped anti-dazzle grains, and the grains are comprehensively curved.

Preferably, the driving module is a power supply cavity arranged in the radiator shell.

Preferably, the LED light source module is inserted into and fixed to a light source module slot inside the light source cavity of the heat sink housing by a side surface.

Preferably, the lens is a polarized lens with asymmetric light distribution design.

Preferably, the light emitting surface of the lens is frosted.

Preferably, the lens is a lens clamping groove inserted into and clamped and fixed on the radiator shell through the side surface, and the radiator shell is provided with a plurality of lenses.

Preferably, the grid plates are grid plate clamping grooves which are inserted into the side faces and are clamped and embedded and fixed on the radiator shell, and a plurality of grid plates are arranged in the radiator shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an adopt polarizing lens, lamps and lanterns only shine light to clipboard (blackboard) direction, improve the average illuminance and the illuminance homogeneity of clipboard (blackboard) writing surface, are simultaneously at the light-emitting port loading grid of blackboard lamp. When the surface of a writing board (blackboard) is lightened, a teacher cannot be directly irradiated by the light emitting rays of the lamp, so that glare is reduced, eye fatigue of the teacher is avoided, vision reduction is avoided, and the working environment comfort level of the teacher in a teaching time period is improved;

drawings

FIG. 1 is a schematic side view of the structure of the present invention;

fig. 2 is an exploded schematic view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional view of a structural heat sink housing of the present invention;

FIG. 4 is a schematic view of a middle grating plate A of the present invention;

FIG. 5 is a schematic view of a middle grating plate B of the present invention;

fig. 6 is a perspective view of the heat sink housing of the present invention.

In the figure: 20. a heat sink housing; 21. an LED light source module; 22. a plurality of lenses; 23. a drive module; 24. a grid plate; 25. an end cap; 26. and (4) screws.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides an embodiment:

the utility model provides a LED eyeshield anti-dazzle grid blackboard lamp, includes a radiator casing 20, one or more LED light source module 21, one or more lens 22, one or more grid plates 24, one or more drive module 23, two end covers 25 and a plurality of screw 26, its characterized in that: a driving module 23 is arranged inside the radiator shell 20, an LED light source module 21 is inserted inside the radiator shell 20, lenses 22 are uniformly arranged on the lower surface of the LED light source module 21, a grid plate 24 is uniformly clamped inside the radiator shell 20, end covers 25 are arranged at two ends of the radiator shell 20, and a plurality of screws 26 are arranged on the upper surface of the radiator shell 20;

furthermore, the light outlet of the radiator shell 20 is provided with a plurality of convex semicircular wave-shaped anti-dazzle grains, the grains are comprehensively in a curve shape, and the grains can be realized by adopting convex or concave anti-dazzle grains in a triangular shape, a trapezoidal shape, a reticular shape, a semi-elliptical shape or other special shapes;

further, the driving module 23 is a power supply cavity built inside the radiator casing 20, and can be implemented by being externally arranged;

furthermore, the LED light source module 21 is inserted into and fixed in the light source module slot inside the light source cavity of the heat sink housing 20 by the side surface, and is inserted into the heat sink housing 20 by the side surface, so that it can be conveniently fixed in the internal light source module slot;

further, the lens 22 is a polarized lens with an asymmetric light distribution design, and the polarized lens is arranged to facilitate refraction of light;

furthermore, the light-emitting surface of the lens 22 is frosted grains, and the lens can be made into a smooth surface shape, a bead surface shape or a later-stage sand blasting processing;

furthermore, the lens 22 is a lens slot inserted into and embedded in the heat sink housing 20 through the side surface, and the heat sink housing 20 is provided with a plurality of lenses 22, which can be realized by only installing a single lens;

furthermore, the grid plates 24 are grid plate slots inserted into and embedded in the radiator casing 20 from the side, and a plurality of grid plates 24 are installed in the radiator casing 20, which can be realized by only installing a single grid plate.

The working principle is as follows: the utility model discloses a LED light source module 21 sends light under drive module 23's drive, and the secondary grading through lens 22 and grid plate 24 sends light with specific grading angle and shines on the writing surface of clipboard blackboard, and the anti-dazzle face of wave pattern near radiator shell 20 light-emitting opening breaks up the light of shining downwards simultaneously, reduces the glare of lamps and lanterns, promotes people's eye comfort level.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a LED eyeshield anti-dazzle grid blackboard lamp, includes a radiator casing (20), one or more LED light source module (21), one or more lens (22), one or more grid plate (24), one or more drive module (23), two end covers (25) and a plurality of screw (26), its characterized in that: the LED light source module is characterized in that a driving module (23) is arranged inside the radiator shell (20), an LED light source module (21) is inserted inside the radiator shell (20), lenses (22) are uniformly arranged on the lower surface of the LED light source module (21), grid plates (24) are uniformly clamped inside the radiator shell (20), end covers (25) are arranged at two ends of the radiator shell (20), and a plurality of screws (26) are arranged on the upper surface of the radiator shell (20).

2. The LED eye-protecting and anti-dazzle grid blackboard lamp according to claim 1, characterized in that: the light outlet of the radiator shell (20) is provided with a plurality of convex semicircular wave-shaped anti-dazzle grains.

3. The LED eye-protecting and anti-dazzle grid blackboard lamp according to claim 1, characterized in that: the driving module (23) is a power supply cavity arranged in the radiator shell (20).

4. The LED eye-protecting and anti-dazzle grid blackboard lamp according to claim 1, characterized in that: the LED light source module (21) is inserted into and clamped and fixed on a light source module clamping groove in a light source cavity of the radiator shell (20) through the side face.

5. The LED eye-protecting and anti-dazzle grid blackboard lamp according to claim 1, characterized in that: the lens (22) is a polarized lens with asymmetric light distribution design.

6. The LED eye-protecting and anti-dazzle grid blackboard lamp according to claim 1, characterized in that: the light-emitting surface of the lens (22) is frosted.

7. The LED eye-protecting and anti-dazzle grid blackboard lamp according to claim 1, characterized in that: the lens (22) is a lens clamping groove which is inserted into the side surface and is clamped and fixed on the radiator shell (20), and the radiator shell (20) is provided with a plurality of lenses (22).

8. The LED eye-protecting and anti-dazzle grid blackboard lamp according to claim 1, characterized in that: the grid plates (24) are grid plate clamping grooves which are inserted into the side faces and are clamped and embedded on the radiator shell (20), and the plurality of grid plates (24) are arranged in the radiator shell (20).