CN210717045U

CN210717045U - Array type lighting lamp

Info

Publication number: CN210717045U
Application number: CN201921663206.7U
Authority: CN
Inventors: 贺和好; 鄢来坡; 贺孝孝; 温密秘
Original assignee: Haining Bohua Lighting Electircal Appliance Co ltd
Current assignee: Haining Bohua Lighting Electircal Appliance Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-09
Anticipated expiration: 2029-09-30

Abstract

The utility model provides an array type illuminating lamp, which comprises a light source and a bottom plate, wherein the light source is arranged on the bottom plate in an array manner; the reflector is provided with a plurality of reflecting cups which are arranged in an array manner, and the light source is positioned in the reflecting cups; the inner wall and/or the outer wall of the light dispersion plate are/is provided with point-shaped bulges which are suitable for transmitting the illuminating light emitted by the light source; the light source and the reflecting piece are arranged in an area enclosed by the bottom plate and the light dispersion plate; the illumination light is reflected by the reflection cup and then passes through the light dispersion plate. The utility model has the advantages of good lighting effect and the like.

Description

Array type lighting lamp

Technical Field

The utility model relates to a LED illumination, in particular to array light.

Background

With the development of science and technology, low-energy-consumption and high-brightness LED illuminating lamps are widely applied, such as filament lamps, panel lamps, strip lamp wires and the like.

Currently, an LED lamp using a lens is also appearing on the market. The specific scheme is as follows: fix a plurality of LED light sources on the bottom plate matrix ground, every LED light source includes a plurality of LED lamp pearl, and the below of LED light source sets up lens. This solution has several drawbacks, such as:

1. the illumination uniformity is poor; the lens is used, so that the light intensity distribution irradiated to the bottom surface or the table top is large in difference and uneven;

2. dazzling; the light intensity right below the light source is strong, so that the eyes are easily damaged;

3. the cost is high; the lens significantly increases the cost.

SUMMERY OF THE UTILITY MODEL

For solving the not enough among the above-mentioned prior art scheme, the utility model provides an illumination homogeneity is good, not dazzling, low-cost array light.

The utility model aims at realizing through the following technical scheme:

the array type illuminating lamp comprises light sources and a bottom plate, wherein the light sources are arranged on the bottom plate in an array manner; the array type illumination lamp further includes:

the reflector is provided with a plurality of reflecting cups which are arranged in an array manner, and the light source is positioned in the reflecting cups;

the inner wall and/or the outer wall of the light dispersion plate are/is provided with point-shaped bulges which are suitable for transmitting the illuminating light emitted by the light source; the light source and the reflecting piece are arranged in an area enclosed by the bottom plate and the light dispersion plate; the illumination light is reflected by the reflection cup and then passes through the light dispersion plate.

Compared with the prior art, the utility model discloses the beneficial effect who has does:

1. the illumination uniformity is good;

the point-shaped bulges on the light dispersion plate are utilized to play a role in light dispersion and convergence, so that light penetrating through the light dispersion plate faces to all directions, and the uniformity of emergent light is improved;

the isolation cover has a certain diffusion effect on the illumination light emitted by the light source, and then the transmitted light is reflected towards a plurality of directions in the reflection cup, so that the uniformity of the emergent light is obviously improved;

2. the eyes are protected without being dazzled;

in view of improving the illumination uniformity, namely reducing the light intensity in each direction, even if the light source is directly faced upwards, the eyes cannot be injured;

due to the design of the point-shaped bulges, the light source cannot be clearly seen even when the illuminating lamp is directly viewed;

3. the cost is low;

the lens is not needed, only the reflecting piece and the light dispersion plate are needed, and the plastic isolation cover and the reflecting piece are low in price.

Drawings

The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are only intended to illustrate the technical solution of the present invention and are not intended to limit the scope of the present invention. In the figure:

fig. 1 is a sectional structural view of an array type illumination lamp according to embodiments 1-2 of the present invention;

fig. 2 is a schematic structural view of an array type illumination lamp according to embodiments 1-2 of the present invention;

fig. 3 is a schematic structural diagram of an array type illuminating lamp according to embodiment 3 of the present invention.

Detailed Description

Fig. 1-3 and the following description depict alternative embodiments of the invention to teach those skilled in the art how to make and reproduce the invention. For the purpose of teaching the present invention, some conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations or substitutions from these embodiments that will be within the scope of the invention. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the invention. Accordingly, the present invention is not limited to the following alternative embodiments, but is only limited by the claims and their equivalents.

Example 1:

fig. 1-2 schematically show a cross-sectional structure view of an array type lighting lamp according to an embodiment of the present invention, as shown in fig. 1-2, the array type lighting lamp includes:

the LED backlight module comprises a light source 31 and a bottom plate 11, wherein the light source 31 such as an LED light source is arranged on a concave bottom plate 11 in a matrix manner;

a shielding case 41, wherein the shielding case 41 has a plurality of accommodating bodies 42, the accommodating bodies 42 are arranged in a matrix, and the light source 31 is located in a space surrounded by the accommodating bodies 42, so that illumination light emitted by the light source 31 passes through the shielding case 41;

a reflector 51, wherein the reflector 51 has a plurality of reflector cups 52, the reflector cups 52 are arranged in a matrix, the bottom of the reflector cups 52 is connected with the accommodating body 41, so that the illumination light transmitted through the isolation cover 41 is reflected on the inner wall of the reflector cups 52 and is emitted to different directions;

a light dispersion plate 61, the light dispersion plate 61 being fixed on the bottom plate 11, an inner wall and/or an outer wall of the light dispersion plate having a dot-shaped protrusion 62, a center thickness of the protrusion 62 being greater than a surrounding thickness, so that the protrusion 62 has a condensing effect on the illumination light; meanwhile, because the included angle between the central axis of the protrusion 62 and the light dispersion plate is an acute angle or a right angle, and the included angles between the central axes of different protrusions 62 and the light dispersion plate are different, the illumination light is dispersed, and the light uniformity is improved;

the light source 31, the isolation cover 41 and the reflecting piece 51 are arranged in an area enclosed by the bottom plate 11 and the light dispersion plate 61; the illumination light emitted from the light source 31 passes through the spacer 41, is reflected by the reflector cup 52, and passes through the light dispersion plate 61.

In order to improve the firmness of the connection between the reflecting member and prevent the light source from being staggered due to position looseness, the connection mode is as follows:

the accommodating body 42 has an annular groove 43, and the light source 31 is located in an area enclosed by the annular groove 43;

the bottom of the reflector cup 52 is a through hole 53, the bottom is clamped in the annular groove 43, and the body accommodating part 42 is positioned in the reflector cup 52, so that the relative movement between the reflector 51 and the isolation cover 41 is effectively prevented.

In order to reduce the cost and the convenience of assembly, the isolation cover and/or the reflecting piece are made of plastic and are molded in one step.

In order to increase the transmission area of the reflected light, the inner diameter of the reflector cup is gradually increased along the traveling direction of the illumination light, and the reflector cup is shaped like a hollow quadrangular frustum.

In order to improve the illumination uniformity, the isolation cover is made of PC material for the illumination light.

In order to facilitate fixing and electrical connection, further, the array type illumination lamp further includes:

a plurality of substrates 21, each substrate 21 being provided with a plurality of light sources 31; the base plate 21 is fixed to the bottom plate 11.

In order to prevent excessive deformation, the base plate 11 further has a plurality of strip-shaped protrusions 12 on which the substrate is fixed.

In order to improve the heat conduction performance, a heat conduction glue is further filled between the substrate and the bottom plate.

Example 2:

according to the utility model discloses the application example of array light of embodiment 1.

In this application example, as shown in fig. 1-2, each light source 31 includes 4 or more LED beads, and is linearly fixed on the substrate 21; vertical strip-shaped bulges 12 distributed at intervals are arranged on the concave bottom plate 11; a plurality of substrates 21 such as aluminum substrates are transversely fixed on the vertical strip-shaped protrusions 12; the arrangement of the substrate 21 makes the light sources 31 arranged on the base plate 11 in a matrix; the heat conducting glue is arranged between the substrate 21 and the bottom plate 11, so that heat generated by the LED lamp beads can be conducted to the substrate with a large area through the substrate and the heat conducting glue.

The isolation cover 41 is made of PC, the transmittance is lower than that of the light dispersion plate 61, the isolation cover 41 comprises accommodating bodies 42 arranged in a matrix form, the periphery of each accommodating body 42 is a rectangular annular groove 43, and the light source 41 is positioned in the accommodating body 42; the reflector 51 has a matrix arrangement of reflector cups 52 corresponding to the annular groove 43, the bottom of each reflector cup is a rectangular through hole 53, the bottom of the through hole 53 is clamped in the annular groove 43, so that the part of the accommodating body 41 is positioned in the reflector cup 52 to prevent the relative movement between the isolation cover 41 and the reflector 51; the illumination light emitted from the light source 31 passes through the shielding case 41 and the reflector 51 in this order, and the inner diameter of the reflector cup 52 gradually increases in the light traveling direction, and is in the shape of a hollow quadrangular frustum. The isolation cover 41 and the reflector 51 are made of plastic by a one-step molding process.

A light dispersion plate 61, the light dispersion plate 61 is made of glass or plastic, the central axis of the protrusion 62 forms an acute angle and a right angle with the light dispersion plate, such as 20 degrees, 30 degrees, 45 degrees, 60 degrees, 75 degrees and 90 degrees, and the edge of the protrusion is fixed on the bottom plate 11, so that the substrate 21, the light source 31, the isolation cover 41 and the reflector 51 are disposed in the region enclosed by the bottom plate 11 and the light dispersion plate 61.

Through the technical scheme, the array type illuminating lamp with the light sources arranged in 12 x 12 or 16 x 16 and the like is obtained.

Example 3:

according to the utility model discloses array light, different with embodiment 2 is:

as shown in fig. 3, the shielding case is not provided, and the reflecting member is in direct contact with the substrate.

The above embodiments are only exemplary given that the annular groove and the through hole are rectangular, but may of course be other shapes, such as circular, regular polygonal, etc.

Claims

1. The array type illuminating lamp comprises light sources and a bottom plate, wherein the light sources are arranged on the bottom plate in an array manner; the method is characterized in that: the array type illumination lamp further includes:

2. The array type lighting lamp according to claim 1, wherein: the included angle between the central axis of the protrusion and the light dispersion plate is an acute angle or a right angle.

3. The array type lighting lamp according to claim 1, wherein: the center thickness of the protrusion is greater than the surrounding thickness.

4. The array type lighting lamp according to claim 1, wherein: the array type illumination lamp further includes:

the isolation cover is provided with a plurality of accommodating bodies which are arranged in a matrix form, and the light source is positioned in a space enclosed by the accommodating bodies; the reflecting piece is connected with the isolation cover, and the illuminating light passes through the accommodating body and then is reflected by the reflecting cup.

5. The array type lighting lamp according to claim 4, wherein: the specific connection mode is as follows:

the accommodating body is provided with an annular groove, and the light source is positioned in an area enclosed by the annular groove;

the bottom of the reflecting cup is provided with an opening, the bottom is clamped in the annular groove, and part of the accommodating body is positioned in the reflecting cup.

6. The array type lighting lamp according to claim 1, wherein: the array type illumination lamp further comprises:

a plurality of substrates, each substrate being provided with a plurality of light sources; the substrate is fixed on the bottom plate.

7. The array type lighting lamp according to claim 6, wherein: the bottom plate is provided with a plurality of bulges, and the substrate is fixed on the bulges.

8. The array type lighting lamp according to claim 1, wherein: the light source adopts LED lamp beads.

9. The array type lighting lamp according to claim 4, wherein: the isolation cover and/or the reflecting piece are/is made of plastic and are molded in one step.

10. The array type lighting lamp according to claim 1, wherein: the inner diameter of the reflector cup becomes gradually larger along the traveling direction of the illumination light.