CN215527135U

CN215527135U - LED display screen module

Info

Publication number: CN215527135U
Application number: CN202122143615.8U
Authority: CN
Inventors: 韩北方; 宋东丽; 张磊; 郭志升
Original assignee: Zhengzhou Mengzhilong Electronic Technology Co ltd
Current assignee: Zhengzhou Mengzhilong Electronic Technology Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-01-14
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses an LED display screen module, which comprises a plastic shell and a heat dissipation mechanism, wherein the plastic shell comprises: its front side inner wall is equipped with the PCB circuit board, and the front surface of PCB circuit board evenly is provided with the LED lamp, and the front end of LED lamp passes adjacent round hole on the plastic casing respectively, and the trailing flank right-hand member of PCB circuit board is equipped with the condenser, and the right-hand member of condenser passes the through-hole of plastic casing right-hand member, and the vertical array of left surface of plastic casing is provided with the louvre, and the right-hand member of plastic casing is equipped with L type hole, and the right-hand member of louvre all is linked together with L type hole, heat dissipation mechanism: set up in plastic housing's inside, the upper end and the L type hole of heat dissipation mechanism are linked together, wherein: still include the IC driver, the IC driver sets up in the trailing flank middle part of PCB circuit board, and this LED display screen module carries out more even heat dissipation to the LED lamp, improves the life of LED lamp, prevents that the inside electronic equipment of plastic casing from receiving the damage because of outside dust.

Description

LED display screen module

Technical Field

The utility model relates to the technical field of LED display screens, in particular to an LED display screen module.

Background

The LED display screen module is divided into indoor, semi-outdoor and outdoor different types according to different use spaces.

In the use of LED display screen module, because the LED lamp can produce the heat at the in-process that uses, need dispel the heat to LED display screen module inside, the heat dissipation mode commonly used drives the near air flow of LED display screen module through the fan for thermal giving off.

However, because the number of the LED lamps on most LED display screen modules is large, some LED lamps are prone to uneven heat dissipation and are prone to be affected by high temperature in the heat dissipation process, and external dust is prone to enter the inside of the LED display screen module in the heat dissipation process to damage internal electronic equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the existing defects and provides an LED display screen module which can more uniformly radiate an LED lamp, prevent electronic equipment in a plastic shell from being damaged by external dust and effectively solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: an LED display screen module comprises a plastic shell and a heat dissipation mechanism;

plastic shell: the inner wall of the front side of the LED lamp is provided with a PCB circuit board, the front surface of the PCB circuit board is uniformly provided with LED lamps, the front ends of the LED lamps respectively penetrate through adjacent round holes on the plastic shell, the right end of the rear side surface of the PCB circuit board is provided with a capacitor, the right end of the capacitor penetrates through a through hole at the right end of the plastic shell, heat dissipation holes are vertically arrayed on the left side surface of the plastic shell, the right end of the plastic shell is provided with an L-shaped hole, and the right ends of the heat dissipation holes are communicated with the L-shaped hole;

the heat dissipation mechanism: the upper end of the heat dissipation mechanism is communicated with the L-shaped hole;

wherein: still include the IC driver, the IC driver sets up in the trailing flank middle part of PCB circuit board, the output electricity of IC driver is connected in the input of PCB circuit board, the output electricity of PCB circuit board is connected in the input of LED lamp, the input electricity of IC driver is connected in the output of condenser, the input electricity of condenser is connected in external power source, carry out more even heat dissipation to the LED lamp, improve the radiating effect to the LED lamp, avoid the LED lamp because of working for a long time the high temperature, improve the life of LED lamp, avoid inside the radiating in-process outside dust gets into plastic housing, prevent that the inside electronic equipment of plastic housing from receiving the damage, improve the life of integrated device.

Further, heat dissipation mechanism includes tuber pipe, induced air box, crosses filtration pore and air inlet inclined hole, the vertical array of air inlet inclined hole sets up in plastic casing's left surface, and the induced air box sets up in plastic casing's inside left end, and the left surface of induced air box and plastic casing's left side inner wall laminating, the left surface of induced air box evenly be provided with the filtration pore of crossing of air inlet inclined hole cooperation installation, and air outlet department of induced air box right flank upper end is equipped with the tuber pipe, and the right-hand member of going up the tuber pipe is linked together with the upper end in L type hole, makes things convenient for the circulation of air, dispels the heat to the LED lamp.

Further, the heat dissipation mechanism further comprises a lower air pipe, the lower air pipe is arranged at an air outlet at the lower end of the right side face of the induced air box, the right end of the lower air pipe penetrates through an air vent at the lower end of the right side face of the plastic shell, and a heat exchange air pipe is connected in series with the middle of the lower air pipe to dissipate heat inside the plastic shell.

Furthermore, the heat dissipation mechanism further comprises an electric fan, the electric fan is respectively arranged at the right ends of the inner parts of the upper air pipe and the lower air pipe, and the input end of the electric fan is electrically connected with the output end of the IC driver, so that the circulation of air is accelerated, and the heat dissipation effect is improved.

Further, the heat transfer tuber pipe includes body and non-woven fabrics, the body is established ties in the middle part of tuber pipe down, and the extrados of body evenly is provided with the opening, and the extrados of body is equipped with the non-woven fabrics, avoids inside outside dust gets into plastic casing.

Furthermore, the LED lamps are respectively positioned between the two adjacent radiating holes, so that the radiating effect of the LED lamps is more uniform.

Furthermore, the right end of the inner arc surface of the lower air pipe is provided with a dustproof filter plate, so that external dust is prevented from entering from the right end of the lower air pipe.

Compared with the prior art, the utility model has the beneficial effects that: this LED display screen module has following benefit:

1. outside current is carried to IC driver inside through the condenser, play the steady voltage effect of filtering through the condenser, make the stability that the electric current is more, then the electric current passes through IC driver and transmits the PCB circuit board, the reposition of redundant personnel through the PCB circuit board, make the electric current flow in the LED lamp, make LED lamp work send light, start the electric fan through IC driver, the electric fan works, inhale induced air incasement portion with crossing the filtration hole with outside air through the air inlet inclined hole, and make the air flow at the inside high speed of tuber pipe and leeward, the inside air of tuber pipe gets into inside the louvre through L type hole, absorb the heat that the LED lamp during operation produced, and discharge through the opening of louvre left end, carry out more even heat dissipation to the LED lamp, improve the radiating effect to the LED lamp, avoid the LED lamp too high temperature because of long-time work, improve the life of LED lamp.

2. The inside air of leeward passes through the through hole on the body and contacts with the inside air of plastic casing, absorbs the heat in the inside air of plastic casing to right-hand member through leeward is discharged, inside tiny dust entering plastic casing can be avoided in the setting of non-woven fabrics, avoid getting into inside the plastic casing at radiating in-process outside dust, prevent that the inside electronic equipment of plastic casing from receiving the damage, improve integrated device's life.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a PCB circuit board of the present invention;

FIG. 3 is a schematic view of the internal structure of the plastic housing of the present invention;

FIG. 4 is a schematic cross-sectional structure of a heat exchange air duct of the present invention;

FIG. 5 is a schematic view of a heat dissipation hole of the present invention.

In the figure: the LED lamp comprises a PCB (printed circuit board) 1, an LED lamp 2, a capacitor 3, an IC (integrated circuit) 4 driver, a plastic shell 5, a 6L-shaped hole, a dustproof 7 filter plate, a heat dissipation mechanism 8, an upper air pipe 81, an air guide box 82, a filter hole 83, an air inlet inclined hole 84, an electric fan 85, a lower air pipe 86, a heat exchange 9 air pipe, a 91 pipe body, non-woven fabric 92 and heat dissipation holes 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present embodiment provides a technical solution: an LED display screen module comprises a plastic shell 5 and a heat dissipation mechanism 8;

plastic shell 5: the inner wall of the front side of the LED lamp is provided with a PCB circuit board 1, the front surface of the PCB circuit board 1 is uniformly provided with LED lamps 2, current is shunted to the LED lamps 2 through the PCB circuit board 1, the front ends of the LED lamps 2 respectively pass through adjacent round holes on a plastic shell 5, light is emitted through the LED lamps 2, the right end of the back side of the PCB circuit board 1 is provided with a capacitor 3, the right end of the capacitor 3 passes through a through hole at the right end of the plastic shell 5 to play a role in filtering and voltage stabilization, so that the current is more stable, the left side of the plastic shell 5 is vertically arrayed with radiating holes 10, the right end of the plastic shell 5 is provided with an L-shaped hole 6, the right ends of the radiating holes 10 are communicated with the L-shaped hole 6, the LED lamps 2 are respectively positioned between the two adjacent radiating holes 10, high-speed flowing air is shunted into the radiating holes 10 through the L-shaped hole 6 to absorb heat generated when the LED lamps 2 work, and the radiating effect is more uniform, the influence of overhigh temperature on the LED lamp 2 is avoided, and the service life of the LED lamp 2 is prolonged;

the heat dissipation mechanism 8: the heat dissipation mechanism 8 is arranged inside the plastic shell 5, the upper end of the heat dissipation mechanism 8 is communicated with the L-shaped hole 6, the heat dissipation mechanism 8 comprises an upper air pipe 81, an induced air box 82, a filtering hole 83 and an air inlet inclined hole 84, the air inlet inclined hole 84 is vertically arrayed on the left side surface of the plastic shell 5, the induced air box 82 is arranged at the left end inside the plastic shell 5, the left side surface of the induced air box 82 is attached to the inner wall of the left side of the plastic shell 5, the left side surface of the induced air box 82 is uniformly provided with the filtering hole 83 which is matched and installed with the air inlet inclined hole 84, the air outlet at the upper end of the right side surface of the induced air box 82 is provided with the upper air pipe 81, the right end of the upper air pipe 81 is communicated with the upper end of the L-shaped hole 6, the heat dissipation mechanism 8 further comprises a lower air pipe 86, the lower air pipe 86 is arranged at the air outlet at the lower end of the right side surface of the induced air box 82, the right end of the lower air pipe 86 penetrates through a ventilation hole at the lower end of the right side surface of the plastic shell 5, and the middle part of the lower air pipe 86 is connected in series with a heat exchange air pipe 9, the heat dissipation mechanism 8 further comprises an electric fan 85, the electric fan 85 is respectively arranged at the right ends of the inner parts of the upper air pipe 81 and the lower air pipe 86, the input end of the electric fan 85 is electrically connected with the output end of the IC driver 4, the electric fan 85 is started through the IC driver 4, the electric fan 85 works to suck external air into the air inducing box 82 through the air inlet inclined hole 84 and the filter hole 83 and enable the air to flow at high speed in the inner parts of the upper air pipe 81 and the lower air pipe 86, the air in the upper air pipe 81 enters the heat dissipation holes 10 through the L-shaped holes 6, the heat exchange air pipe 9 comprises a pipe body 91 and non-woven fabrics 92, the pipe body 91 is connected in series with the middle part of the lower air pipe 86, the outer arc surface of the pipe body 91 is uniformly provided with circulation holes, the non-woven fabrics 92 are arranged on the outer arc surface of the pipe body 91, the air in the lower air pipe 86 is contacted with the air in the plastic shell 5 through the circulation holes on the pipe body 91 to absorb the heat in the air in the plastic shell 5, the non-woven fabric 92 can prevent fine dust from entering the plastic shell 5 and affecting the normal operation of electronic equipment in the plastic shell 5, and the dustproof filter plate 7 is arranged at the right end of the inner arc surface of the lower air pipe 86 and can prevent external dust from entering the lower air pipe 86 when the whole device stops working;

wherein: still include IC-driver 4, IC-driver 4 sets up in PCB circuit board 1's trailing flank middle part, IC-driver 4's output electricity is connected in PCB circuit board 1's input, PCB circuit board 1's output electricity is connected in LED lamp 2's input, IC-driver 4's input electricity is connected in condenser 3's output, condenser 3's input electricity is connected in external power source, the start-up and the stopping of control heat dissipation mechanism 8, the convenient luminance to LED lamp 2 is adjusted.

The working principle of the LED display screen module provided by the utility model is as follows: when the LED lamp is used, external current is transmitted to the interior of the IC driver 4 through the capacitor 3, the filtering and voltage stabilizing effects are achieved through the capacitor 3, the current is more stable, then the current is transmitted to the PCB circuit board 1 through the IC driver 4, the current flows into the LED lamp 2 through the shunt of the PCB circuit board 1, the LED lamp 2 works to emit light, the current value can be changed through the IC driver 4 to adjust the brightness of the LED lamp 2, the electric fan 85 is started through the IC driver 4 in the working process of the LED lamp 2, the electric fan 85 works, external air is sucked into the air inducing box 82 through the inclined air inlet hole 84 and the filtering hole 83, the air flows at high speed in the upper air pipe 81 and the lower air pipe 86, the air in the upper air pipe 81 enters the heat dissipation holes 10 through the L-shaped holes 6, heat generated when the LED lamp 2 works is absorbed and is discharged through the opening at the left end of the heat dissipation holes 10, inside air of tuber pipe 86 passes through the opening on body 91 and contacts with the inside air of plastic housing 5 down, absorb the heat in the inside air of plastic housing 5, and discharge through the right-hand member of tuber pipe 86 down, inside tiny dust entering plastic housing 5 can be avoided in the setting of non-woven fabrics 92, inside dustproof filter 7's setting can be avoided getting into tuber pipe 86 down at the outside dust of integrated device during stop work, it can filter the inside air of inhaling air box 82 to filter the hole 83, it is inside to avoid outside dust to get into inhaling air box 82.

It should be noted that the IC driver 4 disclosed in the above embodiment may be an IC driver of a DRV2605LYZFR model, the capacitor 3, the LED lamp 2 and the electric fan 85 may be freely configured according to the actual application scenario, the capacitor 3 may be a filter capacitor of an ACMJ-0.525-30-1 model, the electric fan 85 may be an electric fan of an fdt-100 model, and the IC driver 4 controls the capacitor 3, the LED lamp 2 and the electric fan 85 to operate by a method commonly used in the prior art.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a LED display screen module which characterized in that: comprises a plastic shell (5) and a heat dissipation mechanism (8);

plastic housing (5): the LED lamp is characterized in that a PCB circuit board (1) is arranged on the inner wall of the front side of the LED lamp, LED lamps (2) are uniformly arranged on the front surface of the PCB circuit board (1), the front ends of the LED lamps (2) respectively penetrate through adjacent round holes in a plastic shell (5), a capacitor (3) is arranged at the right end of the rear side surface of the PCB circuit board (1), the right end of the capacitor (3) penetrates through a through hole at the right end of the plastic shell (5), heat dissipation holes (10) are vertically arranged on the left side surface of the plastic shell (5) in an array mode, L-shaped holes (6) are formed in the right end of the plastic shell (5), and the right ends of the heat dissipation holes (10) are communicated with the L-shaped holes (6);

heat dissipation mechanism (8): the upper end of the heat dissipation mechanism (8) is communicated with the L-shaped hole (6);

wherein: the LED lamp is characterized by further comprising an IC driver (4), wherein the IC driver (4) is arranged in the middle of the rear side face of the PCB circuit board (1), the output end of the IC driver (4) is electrically connected to the input end of the PCB circuit board (1), the output end of the PCB circuit board (1) is electrically connected to the input end of the LED lamp (2), the input end of the IC driver (4) is electrically connected to the output end of the capacitor (3), and the input end of the capacitor (3) is electrically connected to an external power supply.

2. The LED display screen module according to claim 1, wherein: radiating mechanism (8) include tuber pipe (81), induced air case (82), filter hole (83) and air inlet inclined hole (84), the vertical array of air inlet inclined hole (84) sets up in the left surface of plastic casing (5), induced air case (82) set up in the inside left end of plastic casing (5), the left surface of induced air case (82) and the laminating of the left side inner wall of plastic casing (5), the left surface of induced air case (82) evenly is provided with filter hole (83) of installing with air inlet inclined hole (84) cooperation, air outlet department of induced air case (82) right flank upper end is equipped with tuber pipe (81), the right-hand member of going up tuber pipe (81) is linked together with the upper end of L type hole (6).

3. The LED display screen module according to claim 2, wherein: the heat dissipation mechanism (8) further comprises a lower air pipe (86), the lower air pipe (86) is arranged at an air outlet at the lower end of the right side face of the air induction box (82), the right end of the lower air pipe (86) penetrates through a ventilation hole at the lower end of the right side face of the plastic shell (5), and the middle part of the lower air pipe (86) is connected with a heat exchange air pipe (9) in series.

4. The LED display screen module according to claim 3, wherein: the heat dissipation mechanism (8) further comprises an electric fan (85), the electric fan (85) is respectively arranged at the right end of the inner portion of the upper air pipe (81) and the right end of the inner portion of the lower air pipe (86), and the input end of the electric fan (85) is electrically connected with the output end of the IC driver (4).

5. The LED display screen module according to claim 3, wherein: the heat exchange air pipe (9) comprises a pipe body (91) and non-woven fabrics (92), the pipe body (91) is connected in series with the middle of the lower air pipe (86), circulation holes are evenly formed in the outer arc surface of the pipe body (91), and the non-woven fabrics (92) are arranged on the outer arc surface of the pipe body (91).

6. The LED display screen module according to claim 1, wherein: the LED lamps (2) are respectively positioned between two adjacent heat dissipation holes (10).

7. The LED display screen module according to claim 3, wherein: and a dustproof filter plate (7) is arranged at the right end of the inner arc surface of the lower air pipe (86).