Light-emitting diode (LED) lamp strip capable of emitting light uniformly

Abstract

The utility model discloses a light-emitting diode (LED) lamp strip capable of emitting light uniformly, which comprises a flexible lamp strip circuit board, a plurality of LED lamp bead groups and a plurality of resistors which are connected in series are arranged on the lamp strip circuit board, each LED lamp bead group comprises two LED lamp beads which are connected in parallel, the outer side of the lamp strip circuit board is coated with a flexible lamp strip main body, and the flexible lamp strip main body is arranged on the lamp strip circuit board. The flexible lamp strip body comprises a light-proof body and a light-transmitting body arranged on the inner side of the light-proof body, the top of the light-proof body is provided with an opening, the light-transmitting body wraps the LED lamp beads, a reflection cavity is formed in the inner side of the light-transmitting body, the reflection cavity is arranged above the LED lamp beads, and the LED lamp beads are arranged in the reflection cavity. The bottom of the reflection cavity is provided with an incident cambered surface protruding upwards. The LED lamp strip is short in unit and convenient to cut off, normal light emitting of the whole LED lamp strip cannot be affected when a certain LED lamp bead is damaged, and the LED lamp strip is high in light emitting brightness, convenient to install and use, low in production and use cost, even in light emitting, good in anti-dazzle performance and good in use effect.

Description

Technical Field

[0001] The utility model relates to the technical field of LED strip lights, and particularly relates to an LED strip light with uniform light emission. Background Art

[0002] An LED strip light refers to an LED assembled on a strip-shaped FPC (flexible printed circuit board) or a rigid PCB board, and gets its name because its product shape is like a strip. With the progress of technology and the improvement of people's living standards, LED strip lights have become commonly used lighting appliances in people's daily lives. The application of LED strip lights is very extensive and can be used for lighting and decoration. However, the existing LED strip lights are generally composed of multiple LED lamp beads and multiple resistors connected in series. When a certain lamp bead is damaged, the entire strip light does not light up, which brings inconvenience to users. At the same time, the existing LED strip lights have a complex structure, poor anti-glare performance, generally prevent glare by installing lenses, and have high production and use costs, which cannot meet the usage requirements of consumers. Therefore, in order to avoid the disadvantages existing in the prior art, it is necessary to make improvements to the prior art. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the disadvantages and deficiencies in the prior art, and provide an LED strip light with uniform light emission, which is convenient to use and has good anti-glare performance.

[0004] The utility model is realized through the following technical solutions:

[0005] An LED strip light with uniform light emission includes a flexible strip light circuit board. A number of LED lamp bead groups and a number of resistors connected in series are installed on the strip light circuit board. Each LED lamp bead group includes two LED lamp beads connected in parallel. The outer side of the strip light circuit board is coated with a flexible strip light main body. The flexible strip light main body includes an opaque body and a light-transmitting body arranged inside the opaque body. The top of the opaque body is provided with an opening. The light-transmitting body coats the LED lamp beads. A reflection cavity is arranged inside the light-transmitting body, and the reflection cavity is arranged above the LED lamp beads.

[0006] Further, the bottom of the reflection cavity is provided with an upward convex incident arc surface.

[0007] Further, the top of the reflection cavity is provided with an upward convex first exit arc surface, and a number of light homogenizing protrusions are evenly distributed on the surface of the first exit arc surface.

[0008] Further, the top of the light-transmitting body is provided with an upward convex second exit arc surface.

[0009] Further, the left and right inner sides of the opaque body are respectively provided with reflection inclined surfaces that are inclined upward from bottom to outside of the flexible strip light main body.

[0010] Further, an elastic heat dissipation aluminum sheet is provided at the bottom of the light strip circuit board, and the elastic heat dissipation aluminum sheet is arranged below the LED lamp beads.

[0011] Further, both the light-transmitting body and the light-blocking body are made of plastic or silica gel or rubber.

[0012] Further, the light-blocking body and the light-transmitting body are co-extruded and formed, and plugs are injection molded at both ends of the flexible light strip body.

[0013] Further, mounting abutting ridges are provided on both the left and right sides of the bottom of the flexible light strip body.

[0014] Further, a plurality of convex gear racks are provided at the bottom of the flexible light strip body.

[0015] Compared with the prior art, in the present utility model, a plurality of LED lamp bead groups and a plurality of resistors connected in series are mounted on the light strip circuit board. Each LED lamp bead group includes two LED lamp beads connected in parallel, so that the structure of the LED light strip is simple, the light strip unit is short, and it is convenient to cut. If a certain LED lamp bead is damaged, it will not affect the normal light emission of the entire LED light strip. The light emission brightness is high, and the installation and use are convenient. The outer side of the light strip circuit board is coated with a flexible light strip body. The top of the light-blocking body is provided with an opening. The light-transmitting body covers the LED lamp beads. A reflection cavity is provided inside the light-transmitting body, and the reflection cavity is arranged above the LED lamp beads. Thus, the production of the LED light strip is simple, and the production and use costs are low. The light emitted by the LED lamp beads is emitted after being refracted at the bottom of the light-transmitting body, reflected and refracted by the reflection cavity, and refracted by the upper part of the light-transmitting body. The light emission is uniform, and the anti-glare property is good, meeting the use requirements of consumers. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0017] Figure 1 It is a schematic structural diagram of the light strip circuit board of the present utility model;

[0018] Figure 2 It is a schematic structural diagram of the LED light strip with uniform light emission of the present utility model.

[0019] In the figure: 1 - LED strip circuit board; 2 - LED lamp bead group; 3 - resistor; 4 - LED lamp bead; 5 - light - impermeable body; 6 - light - transmissive body; 7 - reflection cavity; 8 - incident arc surface; 9 - first exit arc surface; 10 - light - homogenizing protrusion; 11 - second exit arc surface; 12 - reflection inclined surface; 13 - elastic heat - dissipating aluminum sheet; 14 - installation abutting rib; 15 - convex rack. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] As Figure 1 and Figure 2 shown, a kind of LED strip with uniform light emission of the present invention includes a flexible LED strip circuit board 1. A number of LED lamp bead groups 2 and a number of resistors 3 connected in series are installed on the LED strip circuit board 1. The LED lamp bead group 2 includes two LED lamp beads 4 connected in parallel. The outer side of the LED strip circuit board 1 is coated with a flexible LED strip main body. The flexible LED strip main body includes a light - impermeable body 5 and a light - transmissive body 6 arranged inside the light - impermeable body 5. The top of the light - impermeable body 5 is open - ended. The light - transmissive body 6 coats the LED lamp beads 4. A reflection cavity 7 is arranged inside the light - transmissive body 6, and the reflection cavity 7 is arranged above the LED lamp beads 4. By installing a number of LED lamp bead groups 2 and a number of resistors 3 connected in series on the LED strip circuit board 1, and the LED lamp bead group 2 includes two LED lamp beads 4 connected in parallel, the structure of the LED strip is simple, the LED strip unit is short, it is convenient to cut, and the damage of a certain LED lamp bead 4 will not affect the normal light emission of the whole LED strip. The light - emitting brightness is high, and the installation and use are convenient. By coating the outer side of the LED strip circuit board 1 with a flexible LED strip main body, the top of the light - impermeable body 5 is open - ended, the light - transmissive body 6 coats the LED lamp beads 4, and a reflection cavity 7 is arranged inside the light - transmissive body 6 and the reflection cavity 7 is arranged above the LED lamp beads 4, the production of the LED strip is simple, the production and use costs are low. The light emitted by the LED lamp beads is refracted through the bottom of the light - transmissive body, reflected and refracted by the reflection cavity, and refracted through the upper part of the light - transmissive body and then exits, with uniform light emission and good anti - glare performance, meeting the use requirements of consumers.

[0022] An upward - protruding incident arc surface 8 is arranged at the bottom of the reflection cavity 7. The light passing through the bottom of the light - transmissive body 6 is refracted and diverges into the reflection cavity 7 from the incident arc surface 8, improving the light utilization rate.

[0023] An upward - protruding first exit arc surface 9 is arranged at the top of the reflection cavity 7. A number of light - homogenizing protrusions 10 are evenly distributed on the surface of the first exit arc surface 9, improving the uniformity of light emission and the anti - glare effect.

[0024] The top of the light-transmitting body 6 is provided with an upwardly convex second light-emitting arc surface 11, which improves the light-emitting range and light-emitting uniformity.

[0025] On the left and right inner sides of the light-impermeable body 5, there are respectively provided reflection inclined surfaces 12 that are inclined from bottom to top towards the outside of the flexible light strip main body, which reflect and diverge the light, improve the light utilization rate, and increase the light-emitting range.

[0026] At the bottom of the light strip circuit board 1, there is an elastic heat dissipation aluminum sheet 13. The elastic heat dissipation aluminum sheet 13 is arranged below the LED lamp beads 4, and timely dissipates the heat generated by the LED lamp beads 4 during operation to the outside of the LED light strip, improves the heat dissipation effect, improves the stability and service life of the LED light strip lighting, and provides a good consumer experience.

[0027] Both the light-transmitting body 6 and the light-impermeable body 5 are made of plastic or silica gel or rubber, which is conducive to the extrusion of the light-transmitting body 6 and the light-impermeable body 5 and the blending of different colors.

[0028] The light-impermeable body 5 and the light-transmitting body 6 are co-extruded and formed, so that the waterproof property of the LED light strip is better. Plug heads are injected at both ends of the flexible light strip main body, which is convenient for the electrical connection of the LED light strip.

[0029] On the left and right sides at the bottom of the flexible light strip main body, there are respectively provided installation abutting convex strips 14. During installation, the head of a screw or the head of a nail can be used to abut against the abutting convex strips 14 to position and fix the LED light strip, which is convenient for the installation of the LED light strip.

[0030] A plurality of convex gear racks 15 are provided at the bottom of the flexible light strip main body, which play a role in anti-slip and are conducive to the fixation and installation of the LED light strip.

[0031] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An LED light strip with uniform light emission, characterized in that: A flexible light strip circuit board is included. The light strip circuit board is installed with a plurality of LED lamp bead groups connected in series and a plurality of resistors. The LED lamp bead groups include two LED lamp beads connected in parallel. The outer side of the light strip circuit board is covered with a flexible light strip body. The flexible light strip body includes an opaque body and a translucent body arranged inside the opaque body. The top of the opaque body is opened. The translucent body covers the LED lamp beads. A reflective cavity is provided on the inner side of the translucent body. The reflective cavity is arranged above the LED lamp beads.

2. The LED light strip with uniform light emission according to claim 1, characterized in that: The bottom of the reflection cavity is provided with an incident arc surface convex upwards.

3. The LED light strip with uniform light emission according to claim 1, characterized in that: A first emitting arc surface convex upward is provided on the top of the reflecting cavity, and a plurality of light-uniform protrusions are evenly distributed on the surface of the first emitting arc surface.

4. The LED light strip with uniform light emission according to claim 1, characterized in that: A second emitting curved surface convex upward is provided on the top of the light-transmitting body.

5. The LED light strip with uniform light emission according to claim 1, characterized in that: The left and right inner sides of the opaque body are respectively provided with reflective inclined surfaces which are arranged from bottom to top in an inclined manner toward the outer side of the flexible light strip body.

6. The LED light strip with uniform light emission according to claim 1, characterized in that: An elastic heat dissipation aluminum sheet is arranged at the bottom of the light strip circuit board, and the elastic heat dissipation aluminum sheet is arranged below the LED lamp beads.

7. The LED light strip with uniform light emission according to claim 1, characterized in that: The light-transmitting body and the light-impermeable body are both made of plastic, silica gel or rubber.

8. The LED light strip with uniform light emission according to claim 1, characterized in that: The opaque body and the translucent body are co-extruded, and plugs are injected at both ends of the flexible light strip body.

9. The LED light strip with uniform light emission according to claim 1, characterized in that: The left and right sides of the bottom of the flexible light strip body are both provided with mounting abutment convex strips.

10. The LED light strip with uniform light emission according to claim 1, characterized in that: A plurality of protruding teeth are arranged at the bottom of the flexible light strip body.

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