CN212570255U

CN212570255U - LED display screen with good heat dissipation performance

Info

Publication number: CN212570255U
Application number: CN202021541252.2U
Authority: CN
Inventors: 胡梦林; 蒋军
Original assignee: Hefei Qike Information Technology Co ltd
Current assignee: Hefei Qike Information Technology Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-02-19
Anticipated expiration: 2030-07-29

Abstract

The utility model belongs to the technical field of the LED display screen technique and specifically relates to a LED display screen that heat dispersion is good, including the PCB board, PCB board front side fixed mounting has the mounting panel, be fixed with the LED lamp that a plurality of and PCB board electricity are connected on the mounting panel, still include the shell body, the shell body openly is uncovered form, the inside radiator unit that is equipped with of shell body, radiator unit includes box body, lower box body, go up the box body, down the intercommunication has the heat conduction tubular metal resonator of the vertical setting of a plurality of between the box body, through the circulating pump makes heat conduction liquid circulate and flow between last box body, lower box body, heat conduction tubular metal resonator, the inlet port has been seted up to the shell body bottom, the exhaust hole has been seted up at the shell body top, circulating pump, PN refrigeration piece, fan all are connected with. This device absorbs the heat through parts such as heat conduction tubular metal resonator, then absorbs the heat of heat conduction tubular metal resonator through heat conduction liquid, refrigeration piece, reaches the purpose of cooling from this.

Description

LED display screen with good heat dissipation performance

Technical Field

The utility model relates to a LED display screen technical field especially relates to a LED display screen that heat dispersion is good.

Background

The LED display screen module is one of main components forming a finished LED display screen product, and mainly comprises components such as an LED lamp and a PCB (printed circuit board), the LED display screen can generate heat in the use process, particularly an outdoor LED display screen, the LED large screen generates very large heat due to climate reasons and self operation, if the LED large screen is operated at high temperature for a long time, the PCB can accelerate aging, the service life of the LED large screen is shortened, the failure rate is high, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that LED display screen thermal diffusivity is not good among the prior art, and the LED display screen that a thermal diffusivity is good that proposes.

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

the LED display screen with good heat dissipation performance comprises a PCB, wherein a mounting plate is fixedly mounted on the front side of the PCB, a plurality of LED lamps electrically connected with the PCB are fixed on the mounting plate, the LED display screen further comprises an outer shell, the outer shell is openly in an open shape, the mounting plate is fixed at the openly opening of the outer shell, the LED lamps are arranged on the outer side of the outer shell, a heat dissipation assembly is arranged inside the outer shell and comprises an upper box body and a lower box body, a plurality of vertically-arranged heat-conducting metal tubes are communicated between the upper box body and the lower box body, heat-conducting liquid is filled in the upper box body, the lower box body and the heat-conducting metal tubes, a circulating pump is arranged between the upper box body and the lower box body, the circulating pump enables the heat-conducting liquid to circularly flow among the upper box body, the lower box body and the heat-conducting metal tubes, a plurality of PN refrigerating sheets are arranged, PN refrigeration piece hot junction is up, the inlet port has been seted up to the shell body bottom, the exhaust hole has been seted up at the shell body top, circulating pump, PN refrigeration piece, fan all are connected with the PCB board electricity.

Install the fan between PN refrigeration piece and the exhaust hole, the air outlet of fan is up, the air intake is down.

Go up box body, heat conduction tubular metal resonator, lower box body stamping forming as an organic whole, the shell body is heat conduction metal material, go up box body, heat conduction tubular metal resonator, lower box body and the sealed heat conduction liquid storage chamber that forms of shell body inner wall.

The utility model provides a pair of LED display screen that heat dispersion is good, beneficial effect lies in: this device absorbs the heat through parts such as heat conduction tubular metal resonator, then absorbs the heat of heat conduction tubular metal resonator through heat conduction liquid, refrigeration piece, reaches the purpose of cooling from this.

Drawings

Fig. 1 is a schematic view of the internal structure of the outer casing of the present invention;

fig. 2 is a schematic diagram of the right-side view structure of the present invention;

fig. 3 is a schematic structural view of the heat dissipation assembly of the present invention.

In the figure: exhaust hole 1, fan 2, PN refrigeration piece 3, go up box body 4, shell body 5, circulating pump 6, heat conduction tubular metal resonator 7, lower box body 8, inlet port 9, PCB board 10, mounting panel 11, LED lamp 12, radiator unit 13.

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.

Referring to fig. 1-3, an LED display panel with good heat dissipation performance comprises a PCB 10, a mounting plate 11 is fixedly mounted on the front side of the PCB 10, a plurality of LED lamps 12 electrically connected to the PCB 10 are fixed on the mounting plate 11, and further comprises an outer housing 5, the front surface of the outer housing 5 is open, the mounting plate 11 is fixed at the open position of the front surface of the outer housing 5, the LED lamps 12 are disposed on the outer side of the outer housing 5, a heat dissipation assembly 13 is disposed inside the outer housing 5, the heat dissipation assembly 13 comprises an upper housing 4 and a lower housing 8, a plurality of vertically disposed heat conduction metal tubes 7 are communicated between the upper housing 4 and the lower housing 8, heat conduction liquid is filled inside the upper housing 4, the lower housing 8 and the heat conduction metal tubes 7, a circulation pump 6 is disposed between the upper housing 4 and the lower housing 8, the heat conduction liquid circulates among the upper housing 4, the lower housing 8 and the heat conduction metal tubes 7 through the circulation pump 6, PN refrigeration piece 3 cold junction down and with heat-conducting liquid contact, PN refrigeration piece hot junction up, inlet port 9 has been seted up to shell body 5 bottom, and exhaust hole 1 has been seted up at shell body 5 top, and circulating pump 6, PN refrigeration piece 3, fan 2 all are connected with PCB board 10 electricity.

A fan 2 is arranged between the PN refrigerating sheet 3 and the exhaust hole 1, the air outlet of the fan 2 faces upwards, and the air inlet faces downwards.

When this device work, refrigerate the heat-conducting liquid through PN refrigeration piece 3, make the heat-conducting liquid at last box body 4 through circulating pump 6, lower box body 8, circulation flow between heat-conducting metal pipe 7, what produce on PCB board 10 and the LED lamp is absorbed by heat-conducting metal pipe 7, reach quick radiating purpose from this, blow off the external world through fan 2 with the heat that 3 hot junctions of PN refrigeration piece produced, the heat of avoiding the hot junction to produce gives off inside shell body 5, connect a plurality of temperature sensor at PCB board 10 back electricity, the required number of 3 work of a plurality of PN refrigeration pieces of control through PCB board 10, the high temperature, control all work of 3 of all refrigeration PN pieces, if the temperature is not higher, can control the work of a small amount of PN refrigeration pieces 3, intelligent control is more energy-conserving, the rational utilization of resources.

Go up box body 4, heat conduction tubular metal resonator 7, box body 8 stamping forming as an organic whole down, shell body 5 is the heat conduction metal material, goes up box body 4, heat conduction tubular metal resonator 7, box body 8 and 5 inner wall seals of shell body and forms heat-conducting liquid storage chamber down. Establish the integral type structure with the three, make whole heat transmission more stable, establish box body 4, heat conduction tubular metal resonator 7, lower box body 8 one side into open structure simultaneously, then through 5 inner walls of shell body with this uncovered sealed cavity that forms a stock solution, make heat-conducting liquid also can cool down to shell body 5, advance one and improve the radiating effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model thereof, the technical solution, concept and design obtained by equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. An LED display screen with good heat dissipation performance comprises a PCB (10), wherein a mounting plate (11) is fixedly mounted on the front side of the PCB (10), a plurality of LED lamps (12) electrically connected with the PCB (10) are fixed on the mounting plate (11), and the LED display screen is characterized by further comprising an outer shell (5), the front surface of the outer shell (5) is open, the mounting plate (11) is fixed at the open front surface of the outer shell (5), the LED lamps (12) are arranged on the outer side of the outer shell (5), a heat dissipation assembly (13) is arranged inside the outer shell (5), the heat dissipation assembly (13) comprises an upper box body (4) and a lower box body (8), a plurality of vertically arranged heat conduction metal tubes (7) are communicated between the upper box body (4) and the lower box body (8), and heat conduction liquid is filled in the upper box body (4), the lower box body (8) and the heat conduction metal tubes (7), go up box body (4), be equipped with circulating pump (6) down between box body (8), through circulating pump (6) make heat-conducting liquid circulate and flow between last box body (4), lower box body (8), heat conduction tubular metal resonator (7), it is equipped with a plurality of PN refrigeration piece (3) to go up in box body (4), PN refrigeration piece (3) cold junction down and with heat-conducting liquid contact, PN refrigeration piece hot junction up, inlet port (9) have been seted up to shell body (5) bottom, exhaust hole (1) have been seted up at shell body (5) top, circulating pump (6), PN refrigeration piece (3), fan (2) all are connected with PCB board (10) electricity.

2. The LED display screen with good heat dissipation performance according to claim 1, wherein a fan (2) is installed between the PN refrigeration sheet (3) and the exhaust hole (1), and an air outlet and an air inlet of the fan (2) face upwards and downwards.

3. The LED display screen with good heat dissipation performance according to claim 2, wherein the upper box body (4), the heat-conducting metal tube (7) and the lower box body (8) are formed by integral punch forming, the outer shell (5) is made of a heat-conducting metal material, and the upper box body (4), the heat-conducting metal tube (7), the lower box body (8) and the inner wall of the outer shell (5) are sealed to form a heat-conducting liquid storage cavity.