CN216868451U

CN216868451U - Electronic device

Info

Publication number: CN216868451U
Application number: CN202123205192.4U
Authority: CN
Inventors: 李建成
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-07-01
Anticipated expiration: 2031-12-15

Abstract

The utility model relates to the technical field of light guide structures, and discloses electronic equipment which comprises an installation wall, a plurality of point light sources and a light guide plate. A light transmitting region is provided on the mounting wall. The light guide plate is arranged between the point light sources and the installation wall, a wave-like structure is arranged on one surface of the light guide plate facing the point light sources, the wave-like structure comprises convex parts and concave parts which are alternately arranged, and the positions of the convex parts correspond to the positions of the point light sources. Through setting up the light guide plate, be provided with wave appearance structure in the one side of light guide plate towards a plurality of pointolites, wave appearance structure is including convex part and the concave part that sets up in turn, the position of convex part is corresponding with the position of pointolites, the convex part is thicker, and it is nearer apart from the pointolites, it is more to demonstrate the light attenuation on the convex part, can avoid the appearance of facula, the concave part is thinner, and far away from the pointolites, it is less to demonstrate the light attenuation on the concave part, can avoid the appearance of dim spot, the even light effect is comparatively ideal.

Description

Electronic equipment

Technical Field

The present invention relates to the field of light guide structures, and in particular, to an electronic device.

Background

Electronic equipment such as a sound box and an intelligent voice assistant is generally provided with a light source, and the light source can be used for lighting, atmosphere baking, indication and the like. However, the current electronic equipment has poor light-equalizing effect and serious light spot phenomenon.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims to provide a technical problem of electronic equipment so as to solve the technical problem of poor light equalizing effect in the prior art.

The embodiment of the utility model adopts the following technical scheme for solving the technical problems: provided is an electronic device including:

a mounting wall on which a light transmitting region is provided;

a plurality of point light sources;

the light guide plate is arranged between the point light sources and the mounting wall, a wave-like structure is arranged on one surface of the light guide plate facing the point light sources, the wave-like structure comprises convex parts and concave parts which are alternately arranged, and the positions of the convex parts correspond to the positions of the point light sources.

Compared with the prior art, in the light source assembly and the electronic device provided by the embodiment of the utility model, the light guide plate is arranged, the wave-like structure is arranged on one surface of the light guide plate facing to the plurality of point light sources, the wave-like structure comprises the convex parts and the concave parts which are alternately arranged, the positions of the convex parts correspond to the positions of the point light sources, the convex parts are thicker and are closer to the point light sources, light rays appearing on the convex parts are weakened more, light spots can be avoided, the concave parts are thinner and are farther from the point light sources, the light rays appearing on the concave parts are weakened less, dark spots can be avoided, and the light-equalizing effect is more ideal.

In addition, the light guide plate is fixed on the mounting wall through a hot stamping process, so that the shadow of a screw can be avoided, and the light-equalizing effect is good.

In addition, the upper shell is made of a PC transparent material, the upper shell is integrally sprayed, a light-transmitting area is formed in the upper shell through a laser etching process, the part of the upper shell except the light-transmitting area is basically light-proof, the light-transmitting area is light-transmitting, the light-equalizing effect is good, and the phenomenon of light leakage is not easy to occur.

In addition, the LED board card lamp is directly arranged below the light guide plate, so that the whole occupied height is small, the product structure is optimized, and the product volume is reduced.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Fig. 1 is a disassembled schematic view of an acoustic enclosure according to an embodiment of the present invention, in which a part of the structure of the acoustic enclosure, such as a horn, is omitted;

FIG. 2 is a schematic cross-sectional view of the enclosure shown in FIG. 1;

FIG. 3 is a schematic view of a light guide plate of the sound box shown in FIG. 1;

FIG. 4 is a schematic view of the light guide plate and the point light source of the speaker shown in FIG. 1;

fig. 5 is a schematic structural view of the assembled upper case, speaker mesh, and light guide plate of the sound box shown in fig. 1.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and specific examples. It will be understood that when an element is referred to as being "connected" to another element, it can be directly on the other element or intervening elements may be present. The terms "upper", "lower", "left", "right", "upper", "lower", "top" and "bottom" used in this specification indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and operate, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1 and fig. 2, an embodiment of the present invention provides an electronic device, which may be a sound box, an intelligent voice assistant, a camera, a sweeping robot, and other smaller electronic products.

The sound box 100 includes an upper case 10, a speaker mesh 20, a lower case 30, a plurality of point light sources 40, a circuit board 50, and a light guide plate 60.

The upper case 10 may be made of a PC transparent material, and the appearance is substantially opaque after the integral spray coating. The upper housing 10 includes a mounting wall 12 and an upper sidewall 14. The upper side wall 14 extends downward from the periphery of the mounting wall 12. A light-transmitting region 120 and a bell mouth 122 are provided on the mounting wall 12. The light-transmitting region 120 has a ring shape. The light-transmissive region 120 may be formed on the mounting wall 12 by a laser etching process.

It is understood that the light-transmitting region 120 is not limited to being formed on the mounting wall 12 by a laser etching process, and the mounting wall 12 and the light-transmitting region 120 may be separately provided according to actual needs. For example, the light-transmissive region 120 is disposed on a component that is assembled to the mounting wall 12 by snapping, laser welding, or the like.

The bell mouth 122 is disposed in the light-transmitting region 120. Wherein, the portion of the installation wall 12 in the light-transmitting area 120 sinks to form a sinking chamber, and the bell mouth 122 is opened on the wall of the sinking chamber.

The ring shape is not limited to a circular ring, and includes a square ring, a triangular ring, a rectangular ring, etc., and the ring shape is a circular ring in the drawing.

The speaker mesh 20 is substantially a circular structure, and may be designed to be triangular, rectangular, etc. according to actual requirements, and the circular structure is provided with an opening array. The speaker mesh 20 is disposed on the mounting wall 12 and on one side of the light-transmitting region 120, covering the speaker opening 122. The speaker mesh 20 may be secured to the mounting wall 12 by a snap, glue, or other connection structure. The walls of the caisson can support a speaker mesh 20.

The lower case 30 includes a bottom wall 32 and a lower sidewall 34. The lower side wall 34 extends upward from the periphery of the bottom wall 32, i.e., in the direction of the mounting wall 12. The bottom wall 32 is disposed below the mounting wall 12 and the lower side wall 34 surrounds the upper side wall 14. The upper sidewall 14 and the lower sidewall 34 can be fixed by glue, screws, snaps, solder, etc. The upper case 10 and the lower case 30 are coupled to form a square box structure in which the plurality of point light sources 40, the circuit board 50, and the light guide plate 60 are received.

A plurality of point light sources 40 are disposed between the mounting wall 12 and the bottom wall 32. The point light sources 40 are annularly spaced and correspond to the position of the light-transmitting area 120. The point light source 40 may be a board LED lamp. The board card LED lamp has the advantages of high efficiency, long service life, energy conservation, environmental protection and the like. The number of the point light sources may be one, two, three, or more, and the application is not limited thereto.

The circuit board 50 is disposed between the plurality of point light sources 40 and the bottom wall 32. The circuit board 50 is electrically connected to the point light sources 40, and is used for controlling the point light sources 40 to operate, for example, controlling the brightness and the flashing time of the point light sources 40, so as to form a breathing point-like light effect. The circuit board 50 is provided with a horn mounting hole 52 penetrating the upper and lower surfaces thereof. The horn mounting opening 52 is used to receive a horn of the sound box 100. Mounting holes 54 are formed at the periphery of the circuit board 50 for screws to pass through to fix the circuit board 50 to the bottom wall 32. It is understood that the circuit board 50 may be fixed to the bottom wall 32 by a snap, an adhesive layer, or the like according to the actual requirement, and the application is not limited thereto.

Referring to fig. 3 to 5, the light guide plate 60 is disposed between the point light sources 40 and the mounting wall 12. The light guide plate 60 has a substantially ring shape and corresponds to the position of the light transmission region 120. A wave-like structure is provided on the lower surface of the light guide plate 60, that is, on a surface of the light guide plate 60 facing the plurality of point light sources 40. The wave-like structure is including convex part 62 and the concave part 64 of alternate arrangement, and the position of convex part 62 corresponds with the position of pointolite 40, and convex part 62 is thicker to it is nearer apart from pointolite 40, and the light that presents on convex part 62 weakens more, can avoid the appearance of facula, and concave part 64 is thinner, and is far away from pointolite 40, and the light that presents on concave part 64 weakens less, can avoid the appearance of dark spot, and the even light effect is comparatively ideal. In addition, the LED board card lamp is directly arranged below the light guide plate 60, so that the whole occupied height is small, the product structure is optimized, and the product volume is reduced.

The upper surface and the lower surface of the light guide plate 60 are subjected to line drying treatment, so that the light guide plate 60 forms a frosted particle surface and has a certain light-equalizing effect. It is understood that, according to actual needs, the light guide plate 60 may be subjected to the texturing process only on one side. The pattern drying is a common process for treating the surface of a mold, and directly influences the appearance and the surface strength of the surface of a product.

5-10% of the material of the light guide plate 60 is light-equalizing powder, so that the light-equalizing effect of the light guide plate 60 is enhanced. The light homogenizing powder, also called light diffusant, is a microsphere product developed by means of crosslinking, grafting functional groups and the like, can increase light scattering and transmission, and can shield light sources and dazzling light sources and make the whole resin emit more soft and beautiful so as to achieve the effect of light transmission and opaqueness. The light-equalizing powder can be titanium dioxide particles.

An annular positioning groove 124 is formed on the lower surface of the mounting wall 12, and the positioning groove 124 corresponds to the light-transmitting region 120. The positioning slot 124 is used for receiving the light guide plate 60 to position the light guide plate 60 on the mounting wall 12.

The light guide plate 60 is fixed to the installation wall 12 through a blanching process. The specific fixing process may be as follows:

a four-ironing portion 126 is protruded on the lower surface of the mounting wall 12, and the four-ironing portion 126 is located on the inner ring side of the light-transmitting region 120. The blancher 126 is generally cylindrical in configuration. Four engaging portions 66 are protruded on one side of the inner circumference of the light guide plate 60. The sleeve-connecting portion 66 is substantially a columnar structure, a circular opening penetrating through the upper and lower end faces of the columnar structure is formed in the columnar structure, and the sleeve-connecting portion 66 is used for sleeve-connecting the blanching portion 126. After the four sleeving parts 66 are respectively sleeved on the four hot ironing parts 126, the hot ironing parts 126 are ironed by tools such as soldering iron and electric heating jig, the hot ironing parts 126 are melted on the end faces of the sleeving parts 66, an open limiting structure thick at the sleeving parts 66 is formed, and the light guide plate 60 can be prevented from being separated from the installation wall 12. Compared with the mode of fixing the light guide plate 60 by screws, the shadow of the screws cannot be generated by the hot stamping process, and the overall lighting effect can be more uniform.

It is understood that the number of the ironing portions 126 and the sleeves 66 is not limited to four, and the number of the ironing portions 126 and the sleeves 66 may be more or less according to actual needs, which is not limited in this application.

Compared with the prior art, in the electronic device 100 provided by the embodiment of the utility model, by arranging the light guide plate 60, the wave-like structure is arranged on one surface of the light guide plate 60 facing the plurality of point light sources 40, the wave-like structure comprises the convex parts 62 and the concave parts 64 which are alternately arranged, the positions of the convex parts 62 correspond to the positions of the point light sources 40, the convex parts 62 are thicker and are closer to the point light sources 40, the light rays appearing on the convex parts 62 are weakened more, the occurrence of light spots can be avoided, the concave parts 64 are thinner and are farther from the point light sources 40, the light rays appearing on the concave parts 64 are weakened less, the occurrence of dark spots can be avoided, and the light equalizing effect is more ideal.

In addition, the light guide plate 60 is fixed on the mounting wall 12 through a hot stamping process, so that the shadow of screws can be avoided, and the light equalizing effect is good.

In addition, the upper shell 10 is made of a PC transparent material, the upper shell is integrally sprayed, the light-transmitting area 120 is formed on the upper shell 10 through a laser etching process, the part of the upper shell 10 except the light-transmitting area 120 is basically light-proof, the light-transmitting area 120 is light-transmitting, the light-equalizing effect is good, and the phenomenon of light leakage is not easy to occur.

In addition, the LED board card lamp is directly arranged below the light guide plate 60, so that the whole occupied height is small, the product structure is optimized, and the product volume is reduced.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the utility model, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity; while the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An electronic device, comprising:

a mounting wall on which a light transmitting region is provided;

a plurality of point light sources;

2. The electronic device of claim 1, wherein the light guide plate is fixed to the mounting wall by a blanching process.

3. The electronic device of claim 2, wherein a plurality of scalding portions are convexly arranged on the mounting wall, the plurality of scalding portions are positioned on one side of the inner ring of the light-transmitting area, and a plurality of sleeving portions are convexly arranged on one side of the inner ring of the light-guiding structure;

the plurality of sleeving parts are respectively sleeved on the plurality of hot ironing parts.

4. The electronic device of claim 2, wherein a positioning groove is provided on the mounting wall;

the light guide plate is accommodated in the positioning groove.

5. The electronic device of claim 1, wherein the point light source comprises an LED board light.

6. The electronic device of claim 1, wherein the mounting wall is made of a PC transparent material and is integrally sprayed.

7. The electronic device of claim 1, wherein the light-transmissive region is formed on the mounting wall by laser engraving.

8. The electronic device of claim 1, wherein the light guide plate has a surface of frosted particles.

9. The electronic device of claim 1, wherein the light-transmitting region and the light guide plate are annular, and the plurality of point light sources are annularly spaced.

10. The electronic device of claim 1, wherein 5% to 10% of the material of the light guide plate is a light homogenizing powder.

11. The electronic device of any of claims 1-10, wherein the electronic device comprises a sound box.