CN213025160U

CN213025160U - LED display screen with heat radiation structure

Info

Publication number: CN213025160U
Application number: CN202021087533.5U
Authority: CN
Inventors: 陈霄
Original assignee: Fuzhou Yiweige Electronic Co ltd
Current assignee: Fuzhou Yiweige Electronic Co ltd
Priority date: 2020-06-13
Filing date: 2020-06-13
Publication date: 2021-04-20
Anticipated expiration: 2030-06-13

Abstract

The utility model relates to a display screen technical field specifically is a LED display screen with heat radiation structure, including the display screen main part, PCB board and heat pipe radiator, insulating conducting strip is being connected to PCB board one side, and insulating conducting strip one side fixed connection heat pipe radiator, be equipped with the dust screen on display screen main part trailing flank and the bottom surface, and fixed connection the spliced pole on the dust screen, the radiator fan is being connected to spliced pole one side. The utility model discloses be provided with heat pipe radiator and fan, strengthened heat-sinking capability, the display screen main part adopts the aluminum alloy material, and is equipped with dust screen and louvre structure to the louvre outer end is equipped with bow-shaped baffle, has reached waterproof and dirt-proof effect when having guaranteed gas flow.

Description

LED display screen with heat radiation structure

Technical Field

The utility model relates to a display screen technical field specifically is a LED display screen with heat radiation structure.

Background

The LED screen can realize conversion between different forms of multiple information presentation modes, can be used indoors and outdoors, and has incomparable advantages compared with other display screens. The novel LED lamp is developed rapidly and widely applied to various fields by virtue of the characteristics of high brightness intensity, low work power consumption, low voltage requirement, small and exquisite equipment, convenience, long service life, impact resistance, stability and strong external interference resistance. The LED light source converts electric energy into light energy and converts a part of the light energy into heat energy by controlling the display mode of the semiconductor light emitting diode, the luminous efficiency of the LED is only 100lm/W, the photoelectric conversion efficiency is only about 20-30%, namely about 70% of the electric energy is converted into the heat energy.

At present, most of LED display screens on the market are air-cooled for heat dissipation, the heat dissipation effect is general, in hot summer, the temperature of the LED display screens cannot be reduced, the service life of LED elements is shortened, and a lot of LED display screens do not have dustproof and waterproof functions, so that a section is needed to have high-efficiency heat dissipation capacity and also have dustproof and waterproof LED display screens.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED display screen with heat dissipation function to it is low to provide the radiating effect in solving above-mentioned background art, does not have dustproof and waterproof problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a LED display screen with heat dissipation function, includes the display screen box, PCB board and heat pipe radiator, PCB board one side fixed connection is insulating fin, and insulating fin one side fixed connection is heat pipe radiator, be equipped with first dust screen on the display screen box trailing flank, and first dust screen fixed connection is first spliced pole, first radiator fan is being connected to first spliced pole, be equipped with the second dust screen on the display screen box bottom surface, and second dust screen fixed connection is the second spliced pole, second radiator fan is being connected to the second spliced pole, be equipped with the louvre on display screen box left surface and the right flank, and louvre one side is equipped with the baffle.

Preferably, the insulating radiating fins are glued on the heat pipe radiator, and the heat pipe radiator is connected with the display screen box body through insulating screws so as to clamp the insulating radiating fins in the middle.

Preferably, the first cooling fan is arranged at the upper right part of the heat pipe radiator fin, and the second cooling fan is arranged right below the heat pipe radiator fin.

Preferably, the first cooling fan blade rotates anticlockwise to suck air, the second cooling fan blade rotates clockwise to blow air, and the switch and the air speed can be controlled independently and controlled independently.

Preferably, the arched baffles are uniformly distributed on the left side surface and the right side surface of the display screen box body, and the area of the side surfaces of the arched baffles is as large as that of the heat dissipation holes.

Preferably, the first dust screen has a width longer than a diameter of the first heat dissipation fan, the second dust screen has a width longer than a diameter of the second heat dissipation fan,

preferably, the display screen box body is made of an aluminum alloy material, and the upper end and the lower end of the heat pipe radiator base are in direct contact with the top surface and the bottom surface of the display screen box body, so that part of heat can be dissipated through the display screen box body.

Preferably, the rear side face of the display screen box body is of a double-door structure and can be opened in a left-right overturning mode, and overhauling is facilitated.

Compared with the prior art, the beneficial effects of the utility model are that: this LED display screen with heat radiation structure is provided with heat pipe radiator and fan, has strengthened the heat-sinking capability, and the display screen box adopts the aluminum alloy material, and is equipped with dust screen and bleeder vent structure to the bleeder vent outer end is equipped with the baffle, has reached waterproof and dirt-proof effect when having guaranteed the natural convection current of air current.

(1) The device passes through the combination of heat pipe radiator and radiator fan, very big reinforcing the heat-sinking capability, and heat pipe radiator base and display screen box contact can distribute away some heat through the display screen box when having increased stability, and set up the adiabatic spliced pole between fan and the box, prevent that the box from giving the fan with the heat transfer to reduce the life of fan.

(2) The air holes are formed in the left side face and the right side face of the device, so that the air mobility is enhanced, the bow-shaped baffle is arranged at the outer end of each air hole, rainwater is prevented from entering the box body, and the rear side face is of a double-door structure, so that the device is convenient to overhaul.

Drawings

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

fig. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic view of the back structure of the present invention;

fig. 4 is a schematic back view of the present invention.

In the figure: 1. a display screen box body; 2. a PCB (printed Circuit Board) 3 and an insulating heat-insulating sheet; 4. a heat pipe radiator; 5 a first dust screen; 6. a second dust screen; 7. a second heat dissipation fan; 8. a second connecting column; 9. a first heat dissipation fan; 10. a first connecting column; 11. air holes are formed; 12. an arcuate baffle.

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 embodiment in the utility model.

Referring to fig. 1-4, an LED display screen with a heat dissipation structure includes a display screen box, a PCB and a heat pipe radiator, and is characterized in that: the heat pipe radiator is characterized in that one side of the PCB (1) is fixedly connected with an insulating radiating fin (2), one side of the insulating radiating fin (2) is fixedly connected with a heat pipe radiator (3), the heat pipe radiator (3) is connected with a display screen box body (4), the insulating radiating fin (2) is glued on the heat pipe radiator (3), the heat pipe radiator (3) is connected with the display screen box body (4) through an insulating screw, the display screen box body (4) is made of an aluminum alloy material, the upper end and the lower end of a base of the heat pipe radiator (3) are in direct contact with the top surface and the bottom surface of the display screen box body (4), the rear side surface of the display screen box body (4) is of a double-door structure and can be opened by turning left and right, a first dustproof net (5) is arranged on the rear side surface of the PCB (1), the first dustproof net (5) is fixedly connected with a first connecting column (10), and the width of the first, the width of the second dustproof net (6) is longer than the diameter of the second radiating fan (7), the first connecting columns (10) are connected with the first radiating fan (9), the first radiating fan (9) is connected with the three first connecting columns (10) through screws, the second radiating fan (7) is connected with the three second connecting columns (8) through screws, the first radiating fan (9) is arranged at the upper right part of the fins of the display screen box body (4), the second radiating fan (7) is arranged under the fins of the display screen box body (4), the blades of the first radiating fan (9) rotate anticlockwise, the blades of the second radiating fan (7) rotate clockwise, the second dustproof net (6) is arranged on the bottom surface of the display screen box body (4), the second dustproof net (6) is fixedly connected with the second connecting columns (8), and the second connecting columns (8) are connected with the second radiating fan (7), be equipped with louvre (11) on display screen box (4) left surface and the right flank, and louvre (11) outer end is equipped with bow-shaped baffle (12), bow-shaped baffle (12) evenly distributed is on the left and right sides face of display screen box (1), and bow-shaped baffle (12) side area is as big as the area of louvre (11).

The working principle is as follows: after the power supply is switched on, the LED emits light, electric energy is converted into light energy and heat energy, the heat energy is concentrated on the PCB, the heat energy on the PCB is transferred to the insulating heat conducting sheet in a heat conduction mode and then transferred to the heat pipe radiator, the heat pipe on the base of the heat pipe radiator absorbs the heat energy and conducts the heat energy to the fins, and the fins radiate the heat energy to the air. Because the heat current upwards moves, two sets of radiator fan have specially been added, fan blade clockwise rotation on the display screen bottom surface upwards bloies, the heat upwards motion that the fin gived off with higher speed, radiator fan blade counter-clockwise turning on the display screen trailing flank, induced draft to the outside by the display screen is inside, will gather in the outside air is inhaled to the upper end hot gas flow, the display screen left and right sides still is equipped with a plurality of louvres, increase the flow of gas flow, the louvre outer end is equipped with bow-shaped baffle, prevent that rainwater and dust from getting into inside the display screen. The upper end and the lower end of the heat pipe radiator base are in contact with the top surface and the bottom surface of the display screen box body, so that part of heat can be conducted to the display screen box body to be radiated.

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, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a LED display screen with heat radiation structure, includes and display screen box, PCB board and heat pipe radiator, its characterized in that: display screen box (1) one side fixed connection is insulating fin (3), and insulating fin (3) one side fixed connection is heat pipe radiator (4), be equipped with first dust screen (5) on PCB board (2) trailing flank, and first dust screen (5) fixed connection is first spliced pole (10), first radiator fan (9) are being connected in first spliced pole (10), are equipped with second dust screen (6) on display screen box (1) the bottom surface of telling, and second spliced pole (8) are being connected in second dust screen (6), second radiator fan (7) are being connected in second spliced pole (8), be equipped with louvre (11) on display screen box (1) left surface and the right flank, and louvre (11) outer end is equipped with bow-shaped baffle (12).

2. The LED display screen with the heat dissipation structure as recited in claim 1, wherein: the insulating radiating fins (3) are glued on the PCB (2), and the PCB (2) is connected with the heat pipe radiator (4) through insulating screws.

3. The LED display screen with the heat dissipation structure as recited in claim 1, wherein: the first radiating fan (9) is arranged at the upper right part of the fins of the heat pipe radiator (4), and the second radiating fan (7) is arranged right below the fins of the heat pipe radiator (4).

4. The LED display screen with the heat dissipation structure as recited in claim 1, wherein: the blades of the first heat dissipation fan (9) rotate anticlockwise, and the blades of the second heat dissipation fan (7) rotate clockwise.

5. The LED display screen with the heat dissipation structure as recited in claim 1, wherein: the arched baffles (12) are uniformly distributed on the left side surface and the right side surface of the display screen box body (1), and the area of the side surfaces of the arched baffles (12) is as large as that of the heat dissipation holes (11).

6. The LED display screen with the heat dissipation structure as recited in claim 1, wherein: the width of the first dustproof net (5) is longer than the diameter of the first cooling fan (9), and the width of the second dustproof net (6) is longer than the diameter of the second cooling fan (7).

7. The LED display screen with the heat dissipation structure as recited in claim 1, wherein the first heat dissipation fan (9) is connected with the three first connection posts (10) through screws, and the second heat dissipation fan (7) is connected with the three second connection posts (8) through screws.

8. The LED display screen with the heat dissipation structure as recited in claim 1, wherein the display screen box body (1) is made of aluminum alloy material, and the upper and lower ends of the base of the heat pipe radiator (4) are in direct contact with the top surface and the bottom surface of the display screen box body (1).

9. The LED display screen with the heat dissipation structure as recited in claim 1, wherein the rear side of the display screen box body (1) is of a double-door structure and can be opened by being turned left and right.