Anti-dazzle LED lens module
Technical Field
The utility model belongs to the technical field of street lamps, and particularly relates to an anti-dazzle LED lens module, which is particularly used for LED street lamp lens illumination.
Background
The LED as a novel light source has the advantages of long service life, high conversion efficiency, high starting speed and the like, and is widely used. Along with the rapid development of road traffic construction in China, the construction scale and the number of highway tunnels are larger and larger, the problems such as energy conservation, safety and the like to be solved are also caused by tunnel illumination, and along with the gradual maturity of LED light source technology, the research and the application practice of LEDs applied to highway tunnel illumination are also developed in the domestic illumination industry, so that the application of a new generation of light source with high light efficiency, good stability and long service life in the tunnel illumination is combined with an advanced control mode, and the new generation of light source becomes a demand and trend. However, if the existing LED lamp is directly used for tunnel illumination, the existing LED lamp cannot avoid the drawbacks caused by glare in spite of the advantages of high light transmittance and low maintenance cost, so that the driver can directly influence the judgment capability of the driver on the surrounding environment due to glare, and the driving risk is easily increased.
The prior CN202120650570.0 is a tunnel street lamp, adopts a U-shaped mounting bracket as a fastener in mounting, so that the irradiation angle of a lamp body of the tunnel lamp can be adjusted through the fastener, and the illumination in the whole tunnel can be uniform and controllable.
Disclosure of utility model
The utility model aims to solve the effects in the background technology, and provides the LED street lamp lens module.
The technical scheme adopted for solving the technical problems is as follows:
An anti-glare LED lens module comprises a module body, wherein a sealing groove is formed in the edge of the lower surface of the module body, a convex electronic device accommodating cavity and a concave lens array plane are formed in the upper surface of the module body, a plurality of lenses are arranged on the lens array plane and distributed in a matrix mode to form a lens group, an arc-shaped optical surface is arranged outside the lenses, and a circle of fastening aluminum substrate screw accommodating cavity is formed in the periphery of the module body.
Preferably, the lens is a convex lens, and the apex of the protrusion is biased to a side of the lens adjacent to the electronic device accommodating cavity.
Preferably, the arc-shaped optical surface is a convex lens, and the vertex of the convex is deviated to one side of the arc-shaped optical surface far away from the electronic device accommodating cavity.
Preferably, the surface of the arc-shaped optical surface is provided with a plurality of mutually-spaced abrasive belts and light transmission belts.
Preferably, a screw hole with an edge boss is arranged at the center of the lens array plane.
Preferably, the module body is integrally mounted on the aluminum substrate.
Preferably, the lower surface of the module body is also provided with a decorative plate positioning column.
Compared with the prior art, the utility model has the beneficial effects that:
1. by reasonably arranging the LED and the lens, the illumination uniformity can be improved, and the electronic accommodation space can provide a sealing space for unpackaged power supplies, lightning protection, single-lamp controllers and the like, so that metal materials are saved, and the practicability is higher;
2. Through the mode with inside lens and outside arc optical surface summit crisscross setting for the light irradiation route of LED lamp is radial dispersed all around, plays the effect of many times grading, and the mode that outside arc optical surface grinds abrasive band and light band interval set up is simultaneously allocated, makes the LED illumination become soft, avoids forming inhomogeneous facula and directly directing to the human eye.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic top view of an embodiment of the present utility model;
FIG. 2 is a schematic view of a back structure of an embodiment of the present utility model;
FIG. 3 is a schematic top view of an embodiment of the present utility model;
FIG. 4 is a schematic view of the light ray in section view from A-A in FIG. 3;
FIG. 5 is a schematic view of the B-B cross-sectional view of FIG. 3;
FIG. 6 is an enlarged view of a portion of a threaded bore according to an embodiment of the present utility model;
FIG. 7 is a schematic view of an arcuate optical surface according to an embodiment of the present utility model;
FIG. 8 is a diagram showing a light irradiation path in a state where a lens and an arc-shaped optical surface are superimposed according to an embodiment of the present utility model;
fig. 9 is a light distribution diagram of an embodiment of the present utility model.
The embodiment of the utility model mainly comprises the following element symbols:
The module comprises a module body-1, a sealing groove-2, an electronic device accommodating cavity-3, a lens array plane-4, a lens-5, an arc-shaped optical surface-6, a frosted band-601, a light-transmitting band-602, a fastening aluminum substrate screw accommodating cavity-7, screw holes-8 and a decorative plate positioning column-9.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The anti-glare LED lens module comprises a module body 1, wherein a sealing groove 2 is formed in the edge of the lower surface of the module body 1, a convex electronic device accommodating cavity 3 and a concave lens array plane 4 are formed in the upper surface of the module body 1, a plurality of lenses 5 are arranged on the lens array plane 4 and distributed in a matrix mode to form a lens group, stray light near an angle of 90 degrees can be shielded by the edges of the concave lens array plane 4, particularly, light reflected by the edges of a smooth surface does not have brightness attenuation, direct angles between the light and human eyes can be effectively avoided, glare is prevented, an arc-shaped optical surface 6 is arranged outside the lenses 5, a circle of fastening aluminum substrate screw accommodating cavity 7 is formed around the module body 1, and when screws penetrate through the fastening aluminum substrate screw accommodating cavity 7, the deformation of the lenses 5 can be reduced through the deformation of the sealing groove 2, so that illumination uniformity is guaranteed.
The lens 5 is a convex lens, and the apex of the projection is biased to the side of the lens 5 close to the electronic component accommodation chamber 3. The arc-shaped optical surface 6 is a convex lens, and the vertex of the convex is biased to the side of the arc-shaped optical surface 6 away from the electronic device accommodating cavity 3. The surface of the arc-shaped optical surface 6 is provided with a plurality of mutually-spaced frosted strips 601 and light-transmitting strips 602, and referring to fig. 7-8, fig. 7 is a partial enlarged view of fig. 5, the shapes of the lens 5 and the arc-shaped optical surface 6 in the drawing are different, the apexes of the lens 5 and the arc-shaped optical surface 6 are staggered, the effect of multiple light distribution is effectively realized, meanwhile, the diffuse reflection of light is formed by the frosted strips 601 on the surface of the arc-shaped optical surface 6, the original illumination is not weakened by the light-transmitting strips 602, and the situations that light spots are formed at fixed positions and the light is directly incident into human eyes are avoided.
In order to control the gap between the lens and the aluminum substrate, a screw hole 8 with an edge boss is arranged at the center of the lens array plane 4, and can be adjusted by screwing and unscrewing the screw. In order to facilitate accurate positioning during installation of the module body 1, the lower surface of the module body 1 is also provided with a decorative plate positioning column 9 which can be matched with holes on the surface of the aluminum substrate.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.