CN217506329U

CN217506329U - LED backlight aluminum substrate for liquid crystal display screen

Info

Publication number: CN217506329U
Application number: CN202221650387.1U
Authority: CN
Inventors: 符义良; 苟金成; 罗春雷
Original assignee: Chongqing Tanjin Technology Co ltd
Current assignee: Chongqing Tanjin Technology Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-09-27
Anticipated expiration: 2032-06-28

Abstract

The utility model provides a LED backlight aluminum substrate for a liquid crystal display, which relates to the technical field of LED lamp aluminum substrates and comprises an LED aluminum substrate body, wherein a plurality of LED lamp strips are fixedly arranged on one side surface of the LED aluminum substrate body, a heat dissipation protective shell is arranged on one side of the LED aluminum substrate body away from the LED lamp strips, two clamping mechanisms are fixedly arranged at two ends of the heat dissipation protective shell, one end of each clamping mechanism is fixedly arranged on one side surface of the LED aluminum substrate body away from the LED lamp strips, when in use, the heat generated inside can be conducted to a heat dissipation fin by a heat conduction column, and the heat dissipation fin can dissipate the redundant heat, and in the process of dissipation, the redundant heat can be discharged by a heat dissipation groove, so that the temperature inside reaches a proper position, the LED backlight aluminum substrate is effectively avoided, and the service life of an LED line light source is greatly reduced due to overhigh temperature inside, the use requirements of people are met.

Description

LED backlight aluminum substrate for liquid crystal display screen

Technical Field

The utility model relates to an aluminium base board technical field of LED lamp particularly, relates to an aluminium base board of LED backlight for liquid crystal display.

Background

The traditional outdoor lighting usually adopts incandescent lamps or energy-saving lamps, but the relative energy consumption is higher, and with the progress of electronic technology, LEDs are widely applied because the service life is long, the wavelength can be selected according to purposes, the manufacture is convenient, the operation cost is low, the power consumption is low, and no environmental pollution is caused, for example, an aluminum substrate for an LED backlight source for automatic assembly with application number CN202020121004.6 is arranged on a backlight source backboard, a welding pad is arranged on a copper circuit layer, and no welding resistance layer is arranged at the position of the welding pad, the LED backlight source for automatic assembly is characterized in that the aluminum substrate for the LED backlight source for automatic assembly is also provided with a first contraposition through hole, a second contraposition through hole and a fixed combination hole, the horizontal symmetrical center lines of the first contraposition through hole and the second contraposition through hole are superposed, the first contraposition through hole and the second contraposition through hole are respectively arranged at the left side and the right side of the fixed combination hole, the diameter of the first contraposition through hole is not equal to the diameter of the second contraposition through hole, the fixed combination hole is at least provided with two through holes.

However, according to the technical scheme, the LED line light source on the front market is good in energy saving, but most of the LED line light sources are poor in heat dissipation effect, the service life of the LED line light source is easily reduced, and the use requirements of people cannot be met, so that the LED line light source aluminum substrate for the liquid crystal display screen is improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a LED backlight aluminium base board for liquid crystal display can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a LED backlight aluminum substrate for liquid crystal display, includes the aluminium base board body of LED, one side fixed surface of the aluminium base board body of LED installs a plurality of LED lamp strip, the aluminium base board body of LED is kept away from one side of LED lamp strip and is installed the heat dissipation protective housing, the equal fixed mounting in both ends of heat dissipation protective housing has two chucking mechanisms, the one end fixed mounting of chucking mechanism is kept away from one side surface of LED lamp strip at the aluminium base board body of LED, chucking mechanism includes the rectangle fixed block, the rectangle fixed block fixed mounting is kept away from one side surface of LED lamp strip at the aluminium base board body of LED.

As preferred, the inside center of rectangle fixed block has been seted up the check lock lever and has been led to the groove, the inside movable mounting that the check lock lever led to the groove has the check lock lever.

Preferably, one end of the locking rod movably penetrates through the locking rod through groove and is movably clamped inside the locking hole, and the locking hole is formed in one side of the heat dissipation protective shell.

Preferably, one end of the locking rod, which is far away from the locking hole, is fixedly provided with an oval connecting block, and one side of the oval connecting block, which is far away from the locking rod, is fixedly provided with a fixing ring.

Preferably, the equal fixed mounting in one side both ends that solid fixed ring was kept away from to the elliptical connecting block has a reset spring, every the equal fixed mounting in the inside of a spacing circular slot of one end that elliptical connecting block was kept away from to reset spring, spacing circular slot is seted up at one side both ends of rectangle fixed block.

Preferably, a plurality of radiating grooves are formed in the surface of one side of the radiating protective shell, and a plurality of heat conducting columns are fixedly mounted inside the radiating protective shell.

Preferably, a plurality of radiating fins are fixedly mounted at one end of the heat conducting column and are mounted at one end close to the radiating groove.

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

(1) the utility model discloses a heat that inside produced when using can be conducted to the radiating fin by the heat conduction post on, the radiating fin can give off unnecessary heat this moment, and at the in-process that gives off, unnecessary heat can be got rid of by the radiating groove, makes inside temperature reach suitable position, and is effectual not exempted from, leads to the life greatly reduced of LED line source because of inside high temperature, has satisfied people's user demand.

(2) The utility model discloses an insert the check lock lever in the chucking mechanism and set up in the inside in heat dissipation protective housing one side locking hole, can fix the heat dissipation protective housing this moment, change the maintenance when needs and make, the solid fixed ring of pulling this moment, and the solid fixed ring of pulling can cooperate the elliptical connecting block to extract the check lock lever, thereby take out the heat dissipation protective housing, the elliptical connecting block can reset under reset spring's effect this moment, the check lock lever can reset in the lump this moment, the heat dissipation protective housing chucking after accomplishing the maintenance.

Drawings

Fig. 1 is a schematic view of the overall structure of the front side of an LED backlight aluminum substrate for a liquid crystal display of the present invention;

fig. 2 is a schematic structural view of a side surface of an LED backlight aluminum substrate for a liquid crystal display of the present invention;

fig. 3 is a schematic structural view of a cross section at a-a in fig. 2 of an LED backlight aluminum substrate for a liquid crystal display according to the present invention;

fig. 4 is a schematic structural view of a front surface of the heat dissipation protective housing of the LED backlight aluminum substrate for the liquid crystal display panel according to the present invention;

fig. 5 is a schematic structural view of a side surface of the heat dissipation protective housing of the LED backlight aluminum substrate for the liquid crystal display panel according to the present invention;

fig. 6 is a schematic structural view of a section B-B in fig. 5 of an LED backlight aluminum substrate for a liquid crystal display of the present invention.

In the figure: 1. an LED aluminum substrate body; 2. an LED light bar; 3. a heat dissipation protective housing; 4. a heat sink; 5. a chucking mechanism; 501. a limiting circular groove; 502. a return spring; 503. an oval connecting block; 504. a fixing ring; 505. a rectangular fixed block; 506. a locking lever; 507. the locking rod is provided with a through groove; 508. a locking hole; 6. a heat-conducting column; 7. and (4) radiating fins.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.

Examples

As shown in fig. 1, 2, 3, 4, 5, and 6, an LED backlight aluminum substrate for a liquid crystal display includes an LED aluminum substrate body 1, a plurality of LED light bars 2 are fixedly mounted on a surface of one side of the LED aluminum substrate body 1, a heat dissipation protective housing 3 is mounted on a side of the LED aluminum substrate body 1 away from the LED light bars 2, two clamping mechanisms 5 are fixedly mounted at two ends of the heat dissipation protective housing 3, one ends of the clamping mechanisms 5 are fixedly mounted on a surface of the LED aluminum substrate body 1 away from the LED light bars 2, each clamping mechanism 5 includes a rectangular fixing block 505, and the rectangular fixing block 505 is fixedly mounted on a surface of the LED aluminum substrate body 1 away from the LED light bars 2.

It can be understood that, in this application, the inside center of rectangle fixed block 505 has seted up the locking lever and has led to the groove 507, the inside movable mounting that the locking lever led to the groove 507 has locking lever 506, has locking lever 506 through the inside movable mounting that the locking lever led to the groove 507 and can prevent that locking lever 506 from breaking away from when using.

It can be understood that, in this application, the one end activity of locking lever 506 passes the inside of locking lever logical groove 507 activity chucking at locking hole 508, locking hole 508 is seted up inside one side of heat dissipation protective housing 3, inserts the inside of seting up at locking hole 508 in heat dissipation protective housing 3 one side through locking lever 506, can fix heat dissipation protective housing 3 this moment.

It can be understood that, in this application, the one end fixed mounting that locking hole 508 was kept away from to locking lever 506 has oval connecting block 503, one side fixed mounting that locking lever 506 was kept away from to oval connecting block 503 has solid fixed ring 504, will cooperate oval connecting block 503 to extract locking lever 506 through pulling solid fixed ring 504 to take out heat dissipation protective housing 3.

It can be understood that in this application, the equal fixed mounting in one side both ends that solid fixed ring 504 was kept away from to oval connecting block 503 has a reset spring 502, every the equal fixed mounting in the inside of a spacing circular slot 501 of one end that oval connecting block 503 was kept away from to reset spring 502, spacing circular slot 501 is seted up at one side both ends of rectangle fixed block 505, and oval connecting block 503 can reset under the effect through reset spring 502, and the check lock lever 506 can reset in the lump this moment, with the heat dissipation protective housing 3 chucking after the maintenance is accomplished.

It can be understood that, in this application, a plurality of radiating groove 4 has been seted up to one side surface of heat dissipation protective housing 3, the inside fixed mounting of heat dissipation protective housing 3 has a plurality of heat conduction post 6, can be conducted to radiating fin 7 by heat conduction post 6 through the heat on.

It can be understood, in this application, the one end fixed mounting of heat conduction post 6 has a plurality of radiating fin 7, radiating fin 7 installs the one end that is close to radiating groove 4, can give off unnecessary heat through radiating fin 7, and at the in-process that gives off, unnecessary heat can be got rid of by radiating groove 4, makes inside temperature reach suitable position, and is effectual not exempted from, leads to the life greatly reduced of LED line light source because of inside high temperature, has satisfied people's user demand.

The working principle of the LED backlight aluminum substrate for the liquid crystal display screen is as follows:

when the LED linear light source is used, firstly, heat generated inside can be conducted to the radiating fins 7 through the heat conducting columns 6 when the LED linear light source is used, then redundant heat can be radiated by the radiating fins 7, in the radiating process, the redundant heat can be discharged through the radiating grooves 4, the temperature inside the LED linear light source can reach a proper position, the LED linear light source is effective and inexhaustible, the service life of the LED linear light source is greatly shortened due to overhigh internal temperature, the use requirement of people is met, the locking rod 506 in the clamping mechanism 5 is inserted into the locking hole 508 arranged on one side of the radiating protective shell 3, the radiating protective shell 3 can be fixed at the moment, when the LED linear light source needs to be replaced and maintained, the fixing ring 504 is pulled to be matched with the oval connecting block 503 to pull out the locking rod 506, so that the radiating protective shell 3 is taken out, at the moment, the oval connecting block 503 can reset under the action of the reset spring 502, at this time, the locking rod 506 is reset to clamp the heat dissipation protection shell 3 after the maintenance is completed.

It should be understood that the above-described embodiments are merely examples for clearly illustrating the invention and are not to be construed as limitations of the embodiments of the invention, and that various other modifications and variations which are obvious to those skilled in the art may be made on the basis of the above description.

Claims

1. The utility model provides a LED backlight aluminum base board for liquid crystal display, includes aluminium base board body of LED (1), its characterized in that: the LED lamp strip protection structure is characterized in that a plurality of LED lamp strips (2) are fixedly mounted on the surface of one side of an LED aluminum substrate body (1), a heat dissipation protection shell (3) is mounted on one side, away from the LED lamp strips (2), of the LED aluminum substrate body (1), two clamping mechanisms (5) are fixedly mounted at the two ends of the heat dissipation protection shell (3), one end of each clamping mechanism (5) is fixedly mounted on the surface of one side, away from the LED lamp strips (2), of the LED aluminum substrate body (1), each clamping mechanism (5) comprises a rectangular fixing block (505), and the rectangular fixing blocks (505) are fixedly mounted on the surface of one side, away from the LED lamp strips (2), of the LED aluminum substrate body (1).

2. The LED backlight aluminum substrate for the liquid crystal display panel according to claim 1, wherein: a locking rod through groove (507) is formed in the center of the interior of the rectangular fixing block (505), and a locking rod (506) is movably mounted in the locking rod through groove (507).

3. The LED backlight aluminum substrate for the liquid crystal display panel according to claim 2, wherein: one end of the locking rod (506) movably penetrates through the locking rod through groove (507) and is movably clamped in the locking hole (508), and the locking hole (508) is formed in one side of the heat dissipation protective shell (3).

4. The LED backlight aluminum substrate for the liquid crystal display panel according to claim 2, wherein: one end of the locking rod (506) far away from the locking hole (508) is fixedly provided with an oval connecting block (503), and one side of the oval connecting block (503) far away from the locking rod (506) is fixedly provided with a fixing ring (504).

5. The LED backlight aluminum substrate for the liquid crystal display screen according to claim 4, wherein: oval connecting block (503) keep away from one side both ends of solid fixed ring (504) equal fixed mounting have a reset spring (502), every the equal fixed mounting in the inside of a spacing circular slot (501) of one end that oval connecting block (503) was kept away from in reset spring (502), one side both ends at rectangle fixed block (505) are seted up in spacing circular slot (501).

6. The LED backlight aluminum substrate for the liquid crystal display panel according to claim 1, wherein: a plurality of radiating grooves (4) are formed in the surface of one side of the radiating protective shell (3), and a plurality of heat conducting columns (6) are fixedly mounted inside the radiating protective shell (3).

7. The LED backlight aluminum substrate for the liquid crystal display screen according to claim 6, wherein: a plurality of radiating fins (7) are fixedly mounted at one end of the heat conducting column (6), and the radiating fins (7) are mounted at one end close to the radiating groove (4).