CN213577081U

CN213577081U - Flat plate type light guide backlight source

Info

Publication number: CN213577081U
Application number: CN202023165875.7U
Authority: CN
Inventors: 金日
Original assignee: Huizhou Lingxintong Electronics Co ltd
Current assignee: Huizhou Lingxintong Electronics Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-06-29
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a flat plate type light guide backlight source, which comprises a main body, wherein the main body is composed of two side plates and a shell, one side of the two side plates is respectively fixedly connected with the end of the shell through four fixing bolts which are evenly distributed, the middle parts of the two side plates are respectively clamped with a heat dissipation mechanism, one side of the shell is fixedly connected with a light guide plate, the other side of the shell is fixedly connected with a graphite heat conducting sheet, one side of the graphite heat conducting sheet is fixedly connected with a refrigerating sheet fixing mechanism through a plurality of installing bolts which are evenly distributed, the flat plate type light guide backlight source is provided with the heat dissipation mechanism, the graphite heat conducting sheet and the refrigerating sheet, so that the heat generated when an LED lamp in the backlight source works can be rapidly discharged, the heat dissipation efficiency of the backlight source is improved, the heat accumulation of the heat in the backlight source is avoided, the practicality is stronger, is worth promoting.

Description

Flat plate type light guide backlight source

Technical Field

The utility model relates to an electron field specifically is a plate leaded light backlight.

Background

The backlight source is a light source positioned at the back of the liquid crystal display, the luminous effect of the backlight source directly influences the visual effect of the liquid crystal display module, the liquid crystal display does not emit light, the liquid crystal display displays figures or modulates light, the related LCD industry is continuously updated along with the rapid development of the international IT industry, the size of the LCD product is highly developed towards diversification and lightening, and the backlight source serving as one of the core components of the LCD product is bound to be matched with the development trend to contribute to the diversification and lightening of the product.

In the traditional backlight source, a large amount of heat is generated in the working process of the internal built-in light source, and if the heat is accumulated in the internal built-in light source for a long time, some precise equipment can be damaged, so that the service life of the backlight source is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plate leaded light backlight to solve the traditional backlight that proposes in the above-mentioned background art because inside built-in light source can produce a large amount of heats in the course of the work, if these heats are gathering for a long time in its inside, can cause destruction to some of them precision equipment, reduce the life's of backlight problem.

In order to achieve the above object, the utility model provides a following technical scheme: the flat-plate light guide backlight source comprises a main body, wherein the main body consists of two side plates and a shell, one side of each of the two side plates is fixedly connected with the end of the shell through four uniformly distributed fixing bolts, the middle parts of the two side plates are clamped with a heat dissipation mechanism, one side of the shell is fixedly connected with a light guide plate, the other side of the shell is fixedly connected with a graphite heat conducting sheet, one side of the graphite heat conducting sheet is fixedly connected with a refrigerating sheet fixing mechanism through a plurality of uniformly distributed mounting bolts, a refrigerating sheet is clamped and mounted in the refrigerating sheet fixing mechanism, the top of the inner side of the shell is fixedly provided with a battery, the bottom of the inner side of the shell is fixedly connected with a mounting frame, the top of the mounting frame is fixedly connected with the top of the current guide plate through a plurality of uniformly distributed fastening bolts, and one side of, the refrigeration piece is electrically connected with the battery, and the LED lamps are electrically connected with the power supply through the external switch.

As a preferred technical scheme of the utility model, two heat dissipation mechanism comprises radiating seat and a plurality of fin, a plurality of evenly distributed's spout, a plurality of are seted up to the inboard bottom of radiating seat the equal sliding connection of spout has fin, a plurality of evenly distributed's louvre has all been seted up at the middle part of fin.

As a preferred technical scheme of the utility model, refrigeration piece fixed establishment comprises two fixed strips and fixed frame, the top of fixed frame and the equal fixedly connected with fixed strip in bottom, two a plurality of evenly distributed's through-hole has all been seted up to one side of fixed strip.

As a preferred technical scheme of the utility model, the mounting bracket comprises mounting bar and cell type spare, the top fixed connection of mounting bar has cell type spare.

Compared with the prior art, the beneficial effects of the utility model are that: set up heat dissipation mechanism, graphite conducting strip and refrigeration piece, be convenient for discharge the heat that produces when working with the inside LED lamp of this backlight fast, promote the radiating efficiency of this backlight, avoid the heat in the inside gathering of this backlight to cause destruction to some its inside accurate parts, reduce its life, the practicality is stronger, is worth promoting.

Drawings

Fig. 1 is an overall external structural schematic diagram of the present invention;

fig. 2 is a sectional view of the internal structure of the housing of the present invention;

fig. 3 is a perspective view of the heat dissipation mechanism of the present invention;

fig. 4 is a perspective view of the heat sink of the present invention;

fig. 5 is a perspective view of the refrigerating fin fixing mechanism of the present invention;

fig. 6 is a perspective view of the mounting bracket of the present invention.

In the figure: 1. a main body; 2. a housing; 3. a side plate; 4. a light guide plate; 5. a heat dissipation mechanism; 6. a conductive plate; 7. a mounting frame; 8. a graphite heat-conducting sheet; 9. a refrigerating sheet fixing mechanism; 10. a refrigeration plate; 11. a fixing frame; 12. a fixing strip; 13. a heat sink; 14. a heat dissipation base; 15. heat dissipation holes; 16. a battery.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a flat light-guiding backlight source, which comprises a main body 1, wherein the main body 1 is composed of two side plates 3 and a housing 2, one side of the two side plates 3 is respectively fixedly connected with the end of the housing 2 through four uniformly distributed fixing bolts, the middle parts of the two side plates 3 are respectively provided with a heat dissipation mechanism 5 in a clamping manner, one side of the housing 2 is fixedly connected with a light guide plate 4, the other side of the housing 2 is fixedly connected with a graphite heat conducting sheet 8, one side of the graphite heat conducting sheet 8 is fixedly connected with a refrigerating sheet fixing mechanism 9 through a plurality of uniformly distributed mounting bolts, the inside of the refrigerating sheet fixing mechanism 9 is provided with a refrigerating sheet 10 in a clamping manner, the top of the inner side of the housing 2 is fixedly provided with a battery 16, the bottom of the inner side of the housing 2 is fixedly connected with a mounting, one side fixed mounting of current conducting plate 6 has a plurality of evenly distributed's LED lamp, refrigeration piece 10 and battery 16 electric connection, and a plurality of LED lamp all is through external switch and power electric connection.

Preferably, two heat dissipation mechanisms 5 constitute by radiating seat 14 and a plurality of fin 13, a plurality of evenly distributed's spout has been seted up to the inboard bottom of radiating seat 14, the equal sliding connection of a plurality of spout has fin 13, a plurality of evenly distributed's louvre 15 has all been seted up at the middle part of a plurality of fin 13, radiating seat 14 conducts the partial heat of this backlight inside production to fin 13 earlier on, again by fin 13 with heat transfer to external environment in, louvre 15 can the greatly increased fin 13 with the area of contact of air, promote the radiating efficiency.

Preferably, refrigeration piece fixed establishment 9 comprises two fixed strips 12 and fixed frame 11, and the top and the equal fixedly connected with fixed strip 12 in bottom of fixed frame 11, a plurality of evenly distributed's through-hole has all been seted up to one side of two

fixed strips

12, and 11 inside block installations of fixed frame refrigerate piece 10, the installation of whole mechanism of being convenient for of fixed strip 12.

Preferably, the mounting frame 7 is composed of a mounting bar and a groove member, the top of the mounting bar is fixedly connected with the groove member, the mounting bar is fixed on the housing 2, and the groove member can be preliminarily clamped on the conductive plate 6.

When the utility model is used, the power is switched on, the LED lamp emits light to start working, light is emitted from the light guide plate 4, the heat radiation seat 14 firstly conducts partial heat generated in the backlight source to the heat radiation fins 13, then the heat radiation fins 13 transmit the heat to the external environment, the heat radiation holes 15 can greatly increase the contact area between the heat radiation fins 13 and the air, the heat radiation efficiency is improved, the heat conduction efficiency of the graphite heat conduction fins 8 is higher, when the refrigeration fins 10 work, the heat is quickly replaced to the external environment for heat radiation, the heat is prevented from being gathered in the backlight source, so that some precision parts in the backlight source are damaged, the service life of the refrigeration fins is shortened, the utility is stronger, the utility model is worthy of popularization, the refrigeration fins 10 are clamped and installed in the fixing frame 11, the fixing bar 12 is convenient for installing the whole mechanism, and the mounting bar is fixed on the shell 2, the channel element can initially engage the conductor plate 6.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A flat light-guiding backlight comprises a main body (1), and is characterized in that: main part (1) comprises two curb plates (3) and shell (2), two fixed connection through four evenly distributed's fixing bolt and shell (2) is respectively installed through the equal block in middle part of curb plate (3) heat dissipation mechanism (5), one side fixedly connected with light guide plate (4) of shell (2), opposite side fixedly connected with graphite conducting strip (8) of shell (2), graphite conducting strip (8) one side is through a plurality of evenly distributed's mounting bolt fixedly connected with refrigeration piece fixed establishment (9), refrigeration piece (10) are installed to the inside block of refrigeration piece fixed establishment (9), the inboard top fixed mounting of shell (2) has battery (16), the inboard bottom fixedly connected with mounting bracket (7) of shell (2), the top of mounting bracket (7) is through the top of a plurality of evenly distributed's fastening bolt and current conducting plate (6) solid Decide the connection, one side fixed mounting of current conducting plate (6) has a plurality of evenly distributed's LED lamp, refrigeration piece (10) and battery (16) electric connection, a plurality of the LED lamp is all through external switch and power electric connection.

2. A flat, light-directing backlight as recited in claim 1, wherein: two heat dissipation mechanism (5) comprise radiating seat (14) and a plurality of fin (13), a plurality of evenly distributed's spout, a plurality of are seted up to radiating seat (14) inboard bottom the equal sliding connection of spout has fin (13), a plurality of evenly distributed's louvre (15) all is seted up at the middle part of fin (13).

3. A flat, light-directing backlight as recited in claim 1, wherein: refrigeration piece fixed establishment (9) comprise two fixed strips (12) and fixed frame (11), the top of fixed frame (11) and the equal fixedly connected with fixed strip (12) in bottom, two a plurality of evenly distributed's through-hole has all been seted up to one side of fixed strip (12).

4. A flat, light-directing backlight as recited in claim 1, wherein: the mounting frame (7) is composed of a mounting bar and a groove-shaped piece, and the top of the mounting bar is fixedly connected with the groove-shaped piece.