CN214122631U

CN214122631U - Backlight unit LED lamp heat abstractor

Info

Publication number: CN214122631U
Application number: CN202120205919.XU
Authority: CN
Inventors: 黄渊锋
Original assignee: Shenzhen Xinhe'an Hardware Electronics Co ltd
Current assignee: Shenzhen Xinhe'an Hardware Electronics Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-09-03
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a backlight module LED lamp heat dissipation device, which comprises a bottom plate, a lamp strip, a connecting block and an LED lamp; the lamp strip is internally provided with the vent holes, and the side surface of the lamp strip is provided with the exhaust port, so that the air flow can be accelerated, the heat dissipation is driven, and the cooling effect is achieved; the side surface of the LED lamp is provided with the radiating fins which can directly absorb and radiate heat radiated by the lamp body, and the radiating block and the auxiliary radiating fins are arranged between the lamps to further improve the radiating efficiency; a plurality of recesses are seted up to lamp strip bottom, the area of contact of increase and air for thermal giving off, supplementary other heat abstractor, efficiency is higher.

Description

Backlight unit LED lamp heat abstractor

Technical Field

The utility model relates to a liquid crystal display technology field specifically is a backlight unit LED lamp heat abstractor.

Background

The backlight module is used as a light source, and is one of the important components of the liquid crystal display, and is classified into different types according to the difference of the light emitting elements. The LED lamp has the characteristics of low operating voltage, active light emission, adjustable brightness by voltage (or current), impact resistance, vibration resistance, and long service life, and is one of the promising backlight module light-emitting devices. The existing LED backlight module usually adopts natural heat dissipation, the effect of the heat dissipation mode is not ideal, heat dissipation by utilizing a heat conduction plate is limited by weight factors, the heat conduction plate cannot be greatly realized, and the heat dissipation effect is poor.

Therefore, those skilled in the art provide a heat dissipation device for a backlight module LED lamp to solve the above problems.

Disclosure of Invention

An object of the utility model is to provide a backlight unit LED lamp heat abstractor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a backlight module LED lamp heat dissipation device comprises a bottom plate, a lamp strip, a first vent hole, a base, a connecting block, a connecting port, an LED lamp, a heat dissipation block and a heat dissipation fin; the LED lamp is characterized in that the side face of the bottom plate is fixedly connected with the lamp strip, the bottom plate is internally provided with a first air vent, a second air vent is formed inside the lamp strip, an air outlet is formed in the outer side of the lamp strip, the top end of the bottom plate is fixedly connected with the base, the top end of the base is fixedly connected with the connecting block, the middle of the connecting block is provided with the connecting port, the inside of the four corners of the connecting block is connected with the supporting column in a penetrating mode, the top end of the lamp strip is fixedly connected with the LED lamp, one side of the LED lamp is fixedly provided with the heat dissipation block, the side face of the LED lamp is provided with the cooling fins, the bottom end of the cooling fins is provided with the clamping blocks, the clamping grooves are formed in the top end of the lamp strip corresponding to the clamping blocks, and the grooves are formed in the bottom end of the lamp strip.

As a further aspect of the present invention: the first vent hole is connected with the second vent hole, and the width and the thickness of the first vent hole are the same.

As a further aspect of the present invention: the base and the pillar are both made of the same aluminum alloy.

As a further aspect of the present invention: the exhaust port has a plurality of, equidistant distribution in lamp strip side, the size shape is the same.

As a further aspect of the present invention: the heat sink is made of aluminum alloy.

As a further aspect of the present invention: the groove is provided with a plurality of grooves which are distributed at the bottom of the lamp strip at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that:

1, vent holes are formed in the lamp strip, and exhaust ports are formed in the side surface of the lamp strip, so that air flow can be accelerated, heat dissipation is driven, and a cooling effect is achieved;

2-the side surface of the LED lamp is provided with a radiating fin which can directly absorb and radiate heat radiated by the lamp body, and a radiating block and an auxiliary radiating fin are arranged between the lamps to further improve the radiating efficiency;

a plurality of grooves are formed in the bottom of the 3-light bar, so that the contact area with air is increased, the heat dissipation is accelerated, other heat dissipation devices are assisted, and the efficiency is higher.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation device for a backlight module LED lamp.

FIG. 2 is a schematic side view of an LED lamp of a heat dissipation device of a backlight module.

Fig. 3 is a schematic view of a light bar of a heat dissipation device of a backlight module LED lamp.

Fig. 4 is a schematic view of an internal structure of a connecting block of a heat dissipation device for an LED lamp of a backlight module.

FIG. 5 is a bottom view of a heat sink for an LED lamp of a backlight module.

In the figure: 1-bottom plate, 2-lamp strip, 3-first vent hole, 4-base, 5-connecting block, 6-connecting port, 7-LED lamp, 8-radiating block, 9-radiating fin, 10-clamping block, 11-clamping groove, 12-second vent hole, 13-exhaust port, 14-support and 15-groove.

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 to 4, in an embodiment of the present invention, a heat dissipation device for a backlight module LED lamp includes a bottom plate 1, a light bar 2, a first air vent 3, a base 4, a connecting block 5, a connector 6, an LED lamp 7, a heat dissipation block 8, and a heat dissipation fin 9; the LED lamp is characterized in that a lamp strip 2 is fixedly connected to the side of the bottom plate 1, an air vent 3 is formed in the bottom plate 1, an air vent two 12 is formed in the lamp strip 2, an air outlet 13 is formed in the outer side of the lamp strip 2, a base 4 is fixedly connected to the top end of the bottom plate 1, a connecting block 5 is fixedly connected to the top end of the base 4, a connecting port 6 is formed in the middle of the connecting block 5, a supporting column 14 is connected to the inner portion of the four corners of the connecting block 5 in a penetrating mode, an LED lamp 7 is fixedly connected to the top end of the lamp strip 2, a heat dissipation block 8 is fixedly mounted on one side of the LED lamp 7, a cooling fin 9 is arranged on the side of the LED lamp 7, a clamping block 10 is arranged at the bottom end of the cooling fin 9, a clamping groove 11 is formed in the top end of the lamp strip 2 corresponding to the clamping block 10, and a groove 15 is formed in the bottom end of the lamp strip 2.

The first vent hole 3 is connected with the second vent hole 12, and the width and the thickness of the first vent hole are the same.

The base 4 and the pillar 14 are made of the same aluminum alloy.

The exhaust port 13 has a plurality of, equidistant distribution in 2 sides of lamp strip, and the size shape is the same.

The heat sink 9 is made of aluminum alloy.

The grooves 15 are distributed at the bottoms of the light bars 2 at equal intervals.

The utility model discloses a theory of operation is: the lamp strip is internally provided with the vent holes, and the side surface of the lamp strip is provided with the exhaust port, so that the flow of internal air can be accelerated, and heat dissipation is promoted; the side surface of the LED lamp is provided with the radiating fins which can directly absorb and radiate heat radiated by the lamp body, and the radiating block and the auxiliary radiating fins are arranged between the lamps to further improve the radiating efficiency; a plurality of recesses are seted up to lamp strip bottom, and the area of contact of increase and air for thermal giving off, supplementary other heat abstractor, whole radiating efficiency improves, and the device installation is simple and easy, has alleviateed unnecessary weight, has practiced thrift the cost.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A backlight module LED lamp heat dissipation device comprises a bottom plate (1), a lamp strip (2), a first air vent (3), a base (4), a connecting block (5), a connecting port (6), an LED lamp (7), a heat dissipation block (8) and a heat dissipation fin (9); the LED lamp is characterized in that a lamp strip (2) is fixedly connected to the side face of a bottom plate (1), a first air vent (3) is formed in the bottom plate (1), a second air vent (12) is formed in the lamp strip (2), an air exhaust port (13) is formed in the outer side of the lamp strip (2), a base (4) is fixedly connected to the top end of the bottom plate (1), a connecting block (5) is fixedly connected to the top end of the base (4), a connecting port (6) is formed in the middle of the connecting block (5), supporting columns (14) are connected to the four corners of the connecting block (5) in a penetrating manner, an LED lamp (7) is fixedly connected to the top end of the lamp strip (2), a radiating block (8) is fixedly mounted on one side of the LED lamp (7), radiating fins (9) are arranged on the side face of the LED lamp (7), clamping blocks (10) are arranged at the bottom end of the radiating fins (9), and clamping grooves (11) are formed in the top end of the lamp strip (2) corresponding to the clamping blocks (10), the bottom end of the lamp strip (2) is provided with a groove (15).

2. The heat sink for LED lamp of backlight module as claimed in claim 1, wherein the first vent holes (3) are connected to the second vent holes (12) and have the same width and thickness.

3. The heat sink for LED lamp of backlight module as claimed in claim 1, wherein the base (4) and the support (14) are made of the same aluminum alloy.

4. The heat dissipation device for the backlight module LED lamp as claimed in claim 1, wherein the plurality of air vents (13) are equally spaced from the side of the light bar (2) and have the same size and shape.

5. The backlight module LED lamp heat sink according to claim 1, wherein the heat sink (9) is made of aluminum alloy.

6. The heat dissipation device for the LED lamp of the backlight module as claimed in claim 1, wherein the plurality of grooves (15) are distributed at the bottom of the light bar (2) at equal intervals.