CN217503553U

CN217503553U - Area light source light guide plate for refrigerator illumination

Info

Publication number: CN217503553U
Application number: CN202221711514.4U
Authority: CN
Inventors: 夏吉兵
Original assignee: Anhui Outong Mechanical & Electronical Science Co ltd
Current assignee: Anhui Outong Mechanical & Electronical Science Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-09-27
Anticipated expiration: 2032-07-05

Abstract

The utility model provides a surface light source light guide plate for lighting in a refrigerator, which comprises a light guide plate body, LED light bars and a prism structure; in the utility model, the arrangement of the light guide plate body and the prism structure, and the prism structure and the light guide plate body are arranged in an integrated manner, compared with the prior art that the reflection strip is adopted for reflection, the phenomenon that the reflection strip falls off is avoided, and the service life of the light guide plate is prolonged; the arrangement of the prism structure ensures that the reflection efficiency of the prism structure is close to 100 percent, ensures that light rays irradiated by the LED lamp strip are totally reflected to the light guide plate body, and improves the lighting efficiency of a surface light source of the light guide plate, and the included angle C of the prism structure is 45 degrees; the surface light source light guide plate for the refrigerator interior illumination is simple in structure, convenient and fast to operate and convenient to popularize and apply in the market.

Description

Area light source light guide plate for refrigerator illumination

Technical Field

The utility model belongs to the technical field of the refrigerator, especially, relate to a refrigerator is area source light guide plate for incasement illumination.

Background

The area source is that whole light guide plate is the light emitting area, the illumination is even, there is not obvious dazzling impression, it is extensive to use in the refrigerator product, but among the prior art, the structure of light guide plate generally adopts ya keli, in four sides, one side or both sides limit set up LED lamp strip, the limit that does not have the lamp strip pastes on the tangent plane with the reflection of light welt, the light reflection that will project this tangent plane returns the light guide plate, prevent light leakage, influence area source luminance, but the general thickness of light guide plate only has 2-5mm, thickness is very thin, the operation of laminating reflection of light strip is very difficult, simultaneously because of the face that bonds also drops easily for a short time, reflection of light efficiency of reflection of light strip only has 50-85%, cause area source lighting efficiency to reduce, therefore, we provide an area source light guide plate for the illumination of refrigerator incasement, in order to solve above-mentioned problem, and be convenient for marketing and application.

Among the prior art, the structure of light guide plate generally adopts ya keli, in four sides, one side or both sides limit set up LED lamp strip, the limit that does not have the lamp strip pastes on the tangent plane with the reflection of light sticker, the light reflection that will project this tangent plane returns the light guide plate, prevent light leakage, influence area light source luminance, but the general thickness of light guide plate only has 2-5mm, thickness is very thin, the operation of laminating reflection of light strip is very difficult, also drop easily because of the bonding face is little simultaneously, reflection of light efficiency of reflection of light strip only has 50-85% in addition, cause the problem that area light source lighting efficiency reduces.

Therefore, it is very necessary to provide a surface light source light guide plate for illumination in a refrigerator.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a refrigerator is area source light guide plate for incasement illumination, in order to solve prior art, the structure of light guide plate generally adopts ya keli, in four sides, one side or both sides limit set up the LED lamp strip, the limit that does not have the lamp strip is pasted on the tangent plane with the reflection of light sticker, the light reflection that will project this tangent plane returns the light guide plate, prevent light leakage, influence area source luminance, but the general thickness of light guide plate is only 2-5mm, thickness is very thin, the operation of laminating reflection of light strip is very difficult, simultaneously because of the face of bonding is also drop easily for a short time, reflection of light efficiency of reflection of light strip only has 50-85% in addition, cause the problem that area source lighting efficiency reduces. A surface light source light guide plate for lighting in a refrigerator comprises a light guide plate body, LED light bars and a prism structure, wherein the LED light bars are arranged on one edge of the light guide plate body; the prism structure sets up three other edges at the light guide plate body.

Preferably, the light guide plate body adopts a cuboid structure, adopts a plate body made of transparent materials, and is 2-3mm thick, wherein the refractive index of the light guide plate body is 1.55.

Preferably, the size of the LED lamp strip is matched with that of the light guide plate body, and the LED lamp strip is respectively connected with a control system and a power supply module of the refrigerator through wires; the contained angle C of prism structure is 45, makes prism structure's reflection of light efficiency be close 100%, guarantees on the light whole reflection of LED lamp strip shining reaches the light guide plate body, improves the lighting efficiency of light guide plate area source.

Preferably, the prism structure and the light guide plate body are arranged in an integrated manner, the size of the prism structure is matched with that of the light guide plate body, the included angle C of the prism structure is 45 degrees, and the prism structure is of a V-shaped structure; prism structure and light guide plate body formula as an organic whole set up, compare and adopt anti-light strip to reflect among the prior art, avoid appearing the phenomenon that anti-light strip drops, improve the life of light guide plate.

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

1. the utility model discloses a setting of light guide plate body and prism structure, prism structure and light guide plate body formula as an organic whole set up, compare and adopt anti-light strip to reflect among the prior art, avoid appearing the phenomenon that anti-light strip drops, improve the life of light guide plate.

2. The utility model discloses a setting of prism structure, prism structure's contained angle C is 45, makes prism structure's reflection of light efficiency be close 100%, guarantees that the light that LED lamp strip shines all reflects the light guide plate body on, improves the lighting efficiency of light guide plate area source.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Fig. 4 is an enlarged schematic structural diagram of the present invention at B in fig. 3.

In the figure:

1-a light guide plate body, 2-an LED light bar and 3-a prism structure;

∠C＝45°。

Detailed Description

The invention is further described below with reference to the accompanying drawings:

the embodiment is as follows:

as shown in figures 1 to 4

The utility model provides a surface light source light guide plate for refrigerator illumination, which comprises a light guide plate body 1, LED light bars 2 and a prism structure 3, wherein the LED light bars 2 are arranged on one edge of the light guide plate body 1; the prism structures 3 are disposed on the other three sides of the light guide plate body 1.

In this embodiment, the light guide plate body 1 is of a rectangular parallelepiped structure, the light guide plate body 1 is a plate body made of a transparent material, the thickness of the light guide plate body 1 is 2-3mm, and the refractive index of the light guide plate body 1 is 1.55; the size of the LED lamp strip 2 is matched with that of the light guide plate body 1, and the LED lamp strip 2 is respectively connected with a control system and a power supply module of the refrigerator through wires; prism structure 3 sets up with 1 formula as an organic whole of light guide plate body, compares and adopts anti-light strip to reflect among the prior art, avoids appearing the phenomenon that anti-light strip drops, improves the life of light guide plate.

In the embodiment, the prism structure 3 and the light guide plate body 1 are integrally arranged, the size of the prism structure 3 is matched with that of the light guide plate body 1, the included angle C of the prism structure 3 is 45 degrees, wherein the prism structure 3 adopts a V-shaped structure; the included angle C of the prism structure 3 is 45 degrees, so that the reflection efficiency of the prism structure 3 is close to 100 percent, the light irradiated by the LED lamp strip 2 is ensured to be totally reflected to the light guide plate body 1, and the lighting efficiency of the surface light source of the light guide plate is improved.

Principle of operation

The utility model discloses in, during the use, prism structure 3 sets up with 1 formula as an organic whole of light guide plate body, compares and adopts the reflection of light strip to reflect among the prior art, avoids appearing the phenomenon that the reflection of light strip drops, improves the life of light guide plate, and prism structure 3's contained angle C is 45, makes prism structure 3's reflection of light efficiency be close to 100%, guarantees that the light that LED lamp strip 2 shines is whole to reflect light guide plate body 1 on, improves the lighting efficiency of light guide plate area source.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a refrigerator is area source light guide plate for incasement illumination which characterized in that: the LED light guide plate comprises a light guide plate body (1), an LED light bar (2) and a prism structure (3), wherein the LED light bar (2) is arranged on one edge of the light guide plate body (1); the prism structure (3) is arranged on the other three edges of the light guide plate body (1).

2. The light guide plate of surface light source for illumination in refrigerator according to claim 1, wherein: the light guide plate is characterized in that the light guide plate body (1) is of a cuboid structure, the light guide plate body (1) is made of a transparent plate body, the thickness of the light guide plate body (1) is 2-3mm, and the refractive index of the light guide plate body (1) is 1.55.

3. The light guide plate of surface light source for illumination in refrigerator according to claim 1, wherein: the size of the LED lamp strip (2) is matched with that of the light guide plate body (1), and the LED lamp strip (2) is connected with a control system and a power supply module of the refrigerator through wires respectively.

4. The light guide plate of surface light source for illumination in refrigerator according to claim 1, wherein: prism structure (3) and light guide plate body (1) formula as an organic whole set up, and the size of prism structure (3) matches with the size of light guide plate body (1), and the contained angle C of this prism structure (3) is 45, and wherein prism structure (3) adopts the V-arrangement structure.