CN206431988U - Ventilation and heat dissipation structure of LED display screen - Google Patents

Abstract

The utility model discloses a ventilation cooling structure of LED display screen, including the LED circuit board, be provided with the LED light source on the LED circuit board, LED light source fixed connection is in one side of LED circuit board, the LED light source outside is provided with the shell, the shell passes through screw and LED circuit board fixed connection, be provided with the through-hole on the shell, the LED light source is installed in the through-hole, LED circuit board one side is provided with the bottom support board, be provided with the support column between LED circuit board and the bottom support board, be provided with the radiator mounting panel between LED circuit board and the bottom support board, radiator mounting panel one side and LED circuit board fixed connection, radiator mounting panel opposite side is provided with the fin, be provided with the recess on the radiator mounting panel, the fin is installed in. The utility model has the advantages that: structural design is reasonable, and the installation is simple, has good ventilation cooling effect, is fit for generally using widely.

Description

Ventilation and heat dissipation structure of LED display screen

technical field

The utility model belongs to the technical field of ventilation and heat dissipation structures, in particular to a ventilation and heat dissipation structure of an LED display screen.

Background technique

As we all know, LED, also known as light-emitting diode, is a solid-state semiconductor device that can directly convert electricity into light energy. Because LED illuminants have the characteristics of energy saving, long service life, and no harmful substances such as mercury inside for easy recycling, LEDs have been widely used in people's production and life.

With the development of LED technology, LED display screens made of LED light sources have been widely used by people. LED display screens are a display method that controls semiconductor light-emitting diodes, which are generally composed of many light-emitting diodes. , Rely on the LED light source light to display characters during specific work. In actual implementation, it can be used as a display screen for displaying various information such as characters, graphics, images, animations, quotations, videos, and video signals. LED display screens can be used not only in indoor environments but also in outdoor environments, and have advantages that projectors, TV walls, and LCD screens cannot match. The reason why LED display has been widely valued and developed rapidly is inseparable from its own advantages. These advantages are summarized as follows: brightness is high, operating voltage is low, power consumption is little, miniaturization, life-span is long etc. However, due to the heat dissipation problem of the LED display screen in the prior art, the internal circuit is often damaged. Therefore, there is an urgent need for a ventilation and heat dissipation structure of the LED display screen.

Utility model content

The purpose of this utility model is to provide a ventilation and heat dissipation structure of an LED display screen, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a ventilation and heat dissipation structure of an LED display screen, including an LED circuit board, an LED light source is arranged on the LED circuit board, and the LED light source is fixedly connected to the LED circuit board. On one side, a housing is provided on the outside of the LED light source, and the housing is fixedly connected to the LED circuit board through screws. A through hole is provided on the housing, and the LED light source is installed in the through hole. One side of the LED circuit board A bottom support plate is provided, a support column is provided between the LED circuit board and the bottom support plate, a radiator mounting plate is provided between the LED circuit board and the bottom support plate, and one side of the radiator mounting plate is connected to the LED The circuit board is fixedly connected, and the other side of the radiator mounting plate is provided with a heat sink, and the radiator mounting plate is provided with a groove, and the heat sink is installed in the groove.

Preferably, the support column is made of angle steel or channel steel, and the two ends of the support column are respectively fixedly connected with the LED circuit board and the bottom support plate.

Preferably, the LED circuit board is arranged parallel to the bottom support plate, and the support columns are perpendicular to the LED circuit board and the bottom support plate.

Preferably, the heat sinks are aluminum alloy heat sinks, and the heat sinks are evenly distributed on the radiator mounting plate.

Preferably, a fixing plate is provided on both sides of the groove, and the fixing plate is fixedly connected to the radiator mounting plate, the heat sink is arranged between two sets of fixing plates, and the heat sink and the fixing plate are fixedly connected by bolts and Lock with nut.

Preferably, a rubber gasket is provided between the fixing plate and the cooling fin.

The technical effects and advantages of the utility model: the ventilation and heat dissipation structure of the LED display screen, through the design of the heat sink, the heat sink is evenly distributed on the rear side of the LED circuit board, and the heat exchange between the air and the heat sink is carried out to reduce the temperature of the LED circuit board The purpose, and the heat sink is evenly distributed, which has a good heat dissipation effect. The heat sink is inserted into the groove of the radiator mounting plate and fixed by screws. The installation is not only convenient, but also more stable. Through the design of the shell, the shell is equipped with The through hole does not hinder the normal use of the LED light source, and the shell can play a good protective effect. The ventilation and heat dissipation structure of the LED display screen has reasonable structure design, simple installation, good ventilation and heat dissipation effect, and is suitable for popularization and use.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the front view of the utility model;

Fig. 3 is the rear side structure schematic diagram of the utility model;

Fig. 4 is an enlarged view of A in Fig. 1 of the present invention.

In the figure: 1 LED circuit board, 2 LED light source, 3 shell, 4 through holes, 5 bottom support plate, 6 support column, 7 radiator mounting plate, 8 heat sink, 9 screws, 10 fixing plate, 11 bolts, 12 nuts , 13 rubber gaskets, 14 grooves.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The utility model provides a ventilation and heat dissipation structure of an LED display screen as shown in Fig. One side of the LED circuit board 1, the outer side of the LED light source 2 is provided with a casing 3, the casing 3 is fixedly connected with the LED circuit board 1 through screws 9, the casing 3 is provided with a through hole 4, and the LED light source 2 Installed in the through hole 4, a bottom support plate 5 is provided on one side of the LED circuit board 1, a support column 6 is provided between the LED circuit board 1 and the bottom support plate 5, and the LED circuit board 1 and the bottom support The boards 5 are arranged in parallel, and the supporting columns 6 are perpendicular to the LED circuit board 1 and the bottom supporting board 5 .

Further, the support column 6 is made of angle steel or channel steel, and the two ends of the support column 6 are respectively fixedly connected with the LED circuit board 1 and the bottom support plate 5, and the LED circuit board 1 and the bottom support plate 5 are arranged There is a radiator mounting plate 7, one side of the radiator mounting plate 7 is fixedly connected to the LED circuit board 1, and the other side of the radiator mounting plate 7 is provided with a heat sink 8, and the heat sink 8 is an aluminum alloy heat sink , and the cooling fins 8 are evenly distributed on the radiator mounting plate 7 .

Further, the radiator mounting plate 7 is provided with a groove 14, the heat sink 8 is installed in the groove 14, the two sides of the groove 14 are provided with a fixing plate 10, and the fixing plate 10 is installed with the radiator The plate 7 is fixedly connected, and the heat sink 8 is arranged between two sets of fixed plates 10, and the heat sink 8 and the fixed plate 10 are fixedly connected by bolts 11 and locked by nuts 12, the connection between the fixed plate 10 and the heat sink 8 A rubber gasket 13 is provided between them.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (6)

1. A ventilation and heat dissipation structure for an LED display, comprising an LED circuit board (1), characterized in that: the LED circuit board (1) is provided with an LED light source (2), and the LED light source (2) is fixedly connected On one side of the LED circuit board (1), a casing (3) is provided outside the LED light source (2), and the casing (3) is fixedly connected to the LED circuit board (1) through screws (9). The casing (3) is provided with a through hole (4), the LED light source (2) is installed in the through hole (4), the side of the LED circuit board (1) is provided with a bottom support plate (5), the LED A support column (6) is provided between the circuit board (1) and the bottom support plate (5), and a radiator mounting plate (7) is provided between the LED circuit board (1) and the bottom support plate (5), so One side of the radiator mounting plate (7) is fixedly connected to the LED circuit board (1), the other side of the radiator mounting plate (7) is provided with a heat sink (8), and the radiator mounting plate (7) is A groove (14) is provided, and the heat sink (8) is installed in the groove (14). 2. The ventilation and heat dissipation structure of an LED display screen according to claim 1, characterized in that: the support column (6) is made of angle steel or channel steel, and the two ends of the support column (6) are respectively connected to the LED The circuit board (1) and the bottom support plate (5) are fixedly connected. 3. The ventilation and heat dissipation structure of an LED display screen according to claim 1, characterized in that: the LED circuit board (1) is arranged in parallel with the bottom support plate (5), and the support column (6) and the LED circuit The plate (1) and the bottom supporting plate (5) are vertical. 4. The ventilation and heat dissipation structure of an LED display screen according to claim 1, characterized in that: the heat sink (8) is an aluminum alloy heat sink, and the heat sink (8) is mounted on the radiator mounting plate (7) evenly distributed. 5. The ventilation and heat dissipation structure of an LED display screen according to claim 1, characterized in that: fixed plates (10) are arranged on both sides of the groove (14), and the fixed plates (10) and the radiator The mounting plate (7) is fixedly connected, the heat sink (8) is arranged between two sets of fixed plates (10), and the heat sink (8) and the fixed plate (10) are fixedly connected by bolts (11) and nuts ( 12) Lock tight. 6 . The ventilation and heat dissipation structure of an LED display screen according to claim 5 , wherein a rubber gasket ( 13 ) is arranged between the fixing plate ( 10 ) and the heat sink ( 8 ).