CN201973665U - Two-row six-row LED polarized module lens for street lamps - Google Patents

Abstract

Two-row six-row LED polarized module lens for street lamps relates to a lens for LED lamps. Is a plate-shaped body, which comprises a long strip plane-shaped bottom surface for installation and a top surface opposite to the bottom surface; the LED lamp is characterized in that pits for installing LEDs are formed in the bottom surface, and the pits form an array of two rows and six columns; the inner surface of the pit forms an incident surface of LED light; corresponding to each incident surface one by one, and respective emergent surfaces are arranged on the top surface; a lens polarizer with a polarizing effect is formed between the incident surface and the emergent surface, and a light emergent angle of 130-140 degrees multiplied by 80-90 degrees is formed. Has the advantages that: uniform rectangular light is formed on the road surface, so that the road illumination quality is improved; 2 x 6 high-power LED arrays are adopted for installation, the heat dissipation of the lamp is better controlled, and a plurality of modules can be designed for combined installation when the illuminance is higher, so that the engineering design is simpler.

Description

Two-row six-row LED polarized module lens for street lamps

technical field

The utility model relates to a lens for an LED lamp, in particular to a two-row and six-row LED polarizing module lens for a street lamp.

Background technique

As LED light sources gradually replace traditional light sources, the advantages of LED lighting fixtures have been increasingly recognized by people. For example, using LEDs in the field of street lighting to replace traditional lamps can bring many advantages such as improving light efficiency, energy saving, and environmental protection.

However, at present, the light spot illuminated by most LED street lights on the road surface is circular, which is far from the actual requirement of uniform illumination along the length of the road surface. The ideal state is: the light is spread as much as possible along the length of the road, and the light can be effectively controlled in the width direction of the road to improve the uniformity of the illumination on the road surface, so that the road surface has better illumination brightness and reduces the intensity caused by lighting. Traffic accidents caused by adverse events can also minimize the waste of light energy.

The secondary lens used in LED lighting fixtures has a great influence on the quality of light. Different lens designs produce different lighting effects. Continuous improvement of lens design is one of the important aspects to improve the lighting effect of LED street lamps.

Contents of the invention

The utility model aims at overcoming the above-mentioned deficiencies of the prior art, adapting to market demand, and providing a two-row and six-row LED polarizing module lens for street lamps. Its characteristics: first, the projection shape of the light spot is rectangular and spread out, the light projection angle is 80-90×130-140 degrees, and the light is concentrated on the road surface; second, the light projection is uniform without light spot; third, multiple large The power LED chips are concentrated on a lens to realize modular production, and at the same time make the lamp have the power required for lighting.

For this reason, the technical scheme of the two-row and six-row LED polarizing module lens for street lamps of the present invention is as follows:

The street lamp of the utility model has two rows and six rows of LED polarizing module lens, which is a plate-shaped body, including a planar bottom surface and a top surface opposite to the bottom surface;

Dimples are formed on the bottom surface for LEDs to be installed therein, the pits form an array of two rows and six columns, the direction along the rows is the X-axis direction of the bottom surface, and the direction along the columns is the Y-axis direction of the bottom surface;

The inner surface of the pit forms the incident surface of the LED light; corresponds to each incident surface one by one, and has its own exit surface on the top surface; a lens polarizer with polarizing effect is formed between the incident surface and the exit surface;

The incident surface is in a semi-cylindrical shape, and the cylinder length direction of the incident surface is consistent with the X-axis direction of the bottom surface;

The exit surface is an elongated curved surface protruding outward, the direction of the long axis of the exit surface is consistent with the direction of the Y axis of the bottom surface, the direction of the short axis of the exit surface is consistent with the direction of the X axis of the bottom surface; the curvature of the exit surface is along the The long axis direction is symmetrical, the middle section of the exit surface along the long axis direction is the first small curvature section close to the horizontal straight line, and the two ends of the exit surface along the long axis direction are the second small curvature section close to the vertical straight line. The small curvature section and the second small curvature section are connected by the M arc section, so that the A exit angle of the light along the long axis of the exit surface is 130-140 degrees; the curvature of the exit surface is symmetrical along the short axis direction, and the exit surface The middle section along the short axis direction is the third curvature section, the two ends of the exit surface along the short axis direction are the fourth small curvature section close to the vertical straight line, the third curvature section and the fourth small curvature section pass through the N arc section, As a result, the exit angle B of the light along the short axis direction of the exit surface is 80-90 degrees; thereby forming a light exit angle of 130-140 degrees×80-90 degrees.

The above-mentioned technical scheme is further elaborated:

A sealing groove for installation is cut along the four sides on the bottom surface, and the sealing groove is semicircular in cross section.

Screw holes for installation are formed on the top surface, and the screw holes penetrate the bottom surface.

Positioning posts for installation are formed on the bottom surface.

Described plate body is made with transparent material, as PC etc.

The beneficial effects of the present utility model are as follows: firstly, adopting the incident surface and the exit surface of the above-mentioned structure forms light emission angles of 130-140 degrees and 80-90 degrees, and a projection angle of about 60×120 degrees is obtained on the road surface. The uniform rectangular light increases the irradiation distance along the length of the road, which improves the quality of road lighting. Second, the light is irradiated on the area that needs to be illuminated, and there is very little waste of light energy. Third, due to the installation of 12 high-power LED light-emitting tube arrays in 2×6, the heat dissipation of the lamps is better controlled. When the illuminance is high, it can be designed as multiple modules for combined installation, which makes the engineering design easier.

Description of drawings

Fig. 1 is the utility model schematic diagram;

Figure 2 is a top view of Figure 1 (the angle of placement is rotated);

Fig. 3 is a bottom view of Fig. 1 (the angle of placement is rotated);

Fig. 4 is the C-C sectional schematic diagram of Fig. 2;

FIG. 5 is a schematic cross-sectional view along D-D of FIG. 2 .

In the figure: 1. Bottom surface; 2. Top surface; 3. Dimple; 4. Incident surface; 5. Exit surface; 6. A exit angle; 7. B exit angle; Second small curvature section; 10, M arc section; 11, third curvature section; 12, fourth small curvature section; 13, N arc section; 14, sealing groove; 15, screw hole; 16, positioning column.

Detailed ways

Below, introduce the specific embodiment of the utility model in conjunction with accompanying drawing.

As shown in Fig. 1 and Fig. 2, the LED polarized module lens with two rows and six rows for the street lamp of the present invention is a plate-shaped body, including a planar bottom surface 1 and a top surface 2 opposite to the bottom surface 1.

Dimples 3 are formed on the bottom surface 1 for LEDs to be installed therein. The pits 3 form an array of two rows and six columns. The direction along the rows is the X-axis direction of the bottom surface 1, and the direction along the columns is the bottom surface 1. the Y-axis direction.

The inner surface of the pit 3 forms the incident surface 4 of the LED light; one-to-one correspondence with each incident surface 4, on the top surface 2, there are respective exit surfaces 5; the formation between the incident surface 4 and the exit surface 5 has a polarization effect lens polarizer.

The incident surface 4 has a semi-cylindrical shape, and the cylinder length direction of the incident surface 4 coincides with the X-axis direction of the bottom surface 1 .

、光线沿出射面5长轴方向的A出射角6为135度，沿出射面5短轴方向的B出射角7为85度，形成135度×85度的光线出射角度；

、光线沿出射面5长轴方向的A出射角6为130度，沿出射面5短轴方向的B出射角7为80度，形成130度×80度的光线出射角度；、光线沿出射面5长轴方向的A出射角6为140度，沿出射面5短轴方向的B出射角7为90度，形成140度×90度的光线出射角度。The exit surface 5 is an elongated arc-shaped surface protruding outward, the long axis direction of the exit surface 5 is consistent with the Y-axis direction of the bottom surface 1, and the short axis direction of the exit surface 5 is consistent with the X-axis direction of the bottom surface 1; The curvature of 5 is symmetrical along its long axis direction, the middle section of the exit surface 5 along its long axis direction is the first small curvature segment 8 close to the horizontal straight line, and the two ends of the exit surface 5 along its long axis direction are close to the vertical straight line The second small curvature section 9, the first small curvature section 8 and the second small curvature section 9 are connected through the M arc section 10, so that the A exit angle 6 of the light along the long axis direction of the exit surface 5 is 130 to 140 degrees; The curvature of the surface is symmetrical along the short axis direction, the middle section of the exit surface 5 along the short axis direction is the third curvature section 11, and the two ends of the exit surface along the short axis direction are the fourth small curvature section 12 close to the vertical straight line , the third curvature section 11 and the fourth small curvature section 12 are connected by an N arc section 13, so that the B exit angle 7 of the light along the short axis direction of the exit surface 5 is 80 to 90 degrees; thereby forming 130 to 140 degrees × 80 to 90-degree light exit angle. Give three specific examples:

1. The A exit angle 6 of the light along the long axis direction of the exit surface 5 is 135 degrees, and the B exit angle 7 along the short axis direction of the exit surface 5 is 85 degrees, forming a light exit angle of 135 degrees × 85 degrees;

, The A exit angle 6 of the light along the long axis direction of the exit surface 5 is 130 degrees, and the B exit angle 7 along the short axis direction of the exit surface 5 is 80 degrees, forming a light exit angle of 130 degrees × 80 degrees; 1. The A exit angle 6 of the light along the long axis direction of the exit surface 5 is 140 degrees, and the B exit angle 7 along the short axis direction of the exit surface 5 is 90 degrees, forming a light exit angle of 140 degrees × 90 degrees.

Sealing grooves 14 for installation are formed along the four sides of the bottom surface 1, and the sealing grooves 14 are semicircular in cross section.

A screw hole 15 for installation is formed on the top surface 2 , and the screw hole 15 pierces through the bottom surface 1 .

Positioning posts 16 for installation are formed on the bottom surface 1 .

Described plate body is made with transparent material, as PC etc.

The above descriptions are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model in any way. Those skilled in the industry can make some deformations and modifications under the enlightenment of this technical solution, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model still belong to the utility model. Within the scope of new technical solutions.

Claims (5)

1. Two rows and six rows of LED polarizing module lenses for street lamps, which are a plate-shaped body, including a planar bottom surface and a top surface opposite to the bottom surface; its characteristics are: Dimples are formed on the bottom surface for LEDs to be installed therein, the pits form an array of two rows and six columns, the direction along the rows is the X-axis direction of the bottom surface, and the direction along the columns is the Y-axis direction of the bottom surface; The inner surface of the pit forms the incident surface of the LED light; corresponds to each incident surface one by one, and has its own exit surface on the top surface; a lens polarizer with polarizing effect is formed between the incident surface and the exit surface; The incident surface is semi-cylindrical, and the cylinder length direction of the incident surface is consistent with the X-axis direction of the bottom surface; The exit surface is a long arc-shaped surface that protrudes outward. The long axis direction of the exit surface is consistent with the Y-axis direction of the bottom surface, and the short axis direction of the exit surface is consistent with the X-axis direction of the bottom surface; the curvature of the exit surface is along its length. The axial direction is symmetrical, the middle section of the exit surface along the long axis direction is the first small curvature section close to the horizontal straight line, the two ends of the exit surface along the long axis direction are the second small curvature section close to the vertical straight line, and the first small curvature section is close to the vertical straight line. The curvature section and the second small curvature section are connected by the M arc section, so that the A exit angle of the light along the long axis direction of the exit surface is 130-140 degrees; the curvature of the exit surface is symmetrical along the short axis direction, and the exit surface along its The middle section in the short axis direction is the third curvature section, and the two ends of the exit surface along the short axis direction are the fourth small curvature section close to the vertical straight line. The third curvature section and the fourth small curvature section are connected by N arc sections, resulting in The exit angle B of the light along the short axis direction of the exit surface is 80-90 degrees; thereby forming a light exit angle of 130-140 degrees×80-90 degrees. 2. The two-row and six-row LED polarizing module lens for street lamps according to claim 1, characterized in that: a sealing groove for installation is formed on the bottom surface along the four sides, and the sealing groove is semicircular in cross section shape. 3. The two-row, six-row LED polarizing module lens for street lamps according to claim 1, characterized in that: a screw hole for installation is formed on the top surface, and the screw hole penetrates the bottom surface. 4. The two-row and six-row LED polarizing module lens for street lamps according to claim 1, characterized in that: a positioning column for installation is formed on the bottom surface. 5. The two-row and six-row LED polarizing module lens for street lamps according to claim 1, wherein the plate-shaped body is made of transparent material.

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