CN219876679U - Heat radiation structure of LED screen - Google Patents

Abstract

The utility model discloses a heat radiation structure of an LED screen, wherein an LED module is fixed on the front side of a fixing frame of the LED screen, a heat radiation plate is arranged on the rear side of the LED module, the heat radiation plate comprises a heat absorption bottom and heat radiation fins, the heat absorption bottom is fixed on the LED module, the heat radiation fins are provided with a plurality of heat absorption bottoms and are vertically arranged on the rear side of the heat absorption bottom in parallel, an air inlet and a flow guide fan are arranged on the fixing frame of the LED screen, the air inlet is positioned at the bottom of the fixing frame of the LED screen, and the flow guide fan is positioned at the top of the rear side of the fixing frame of the LED screen. According to the utility model, the radiating plate is fixed at the rear side of the LED module, and comprises the plurality of radiating fins, so that the contact area between the radiating plate and air can be increased, the radiating effect is better, and because hot air can automatically move upwards under normal conditions and cold air sinks, the flow guiding fan is arranged above, the air inlet is arranged below the flow guiding fan, the cold air can conveniently enter and the hot air can conveniently be discharged, the radiating fins are vertically arranged, the air flow is prevented from being hindered, and the radiating heat can be conveniently taken away.

Description

Heat radiation structure of LED screen

Technical Field

The utility model relates to a heat radiation structure, in particular to a heat radiation structure of an LED screen.

Background

Outdoor fixed mounting LED display screen just needs to consider the heat dissipation design when whole screen installation. Due to the limitation of installation places, with the reduction of power consumption of the LED display screen, more and more customers bare-load the LED display screen outdoors without other auxiliary heat dissipation measures. For a large screen of the LED display screen, only a natural cooling and heat dissipation mode is adopted, the heat dissipation capacity is relatively poor, especially the temperature in summer is relatively high, and the heat dissipated by the LED display screen is added, so that the ambient temperature of the LED display screen is too high, and the service life of the LED display screen is influenced.

Therefore, outdoor LED display screen among the prior art includes whole frame and LED module, and polylith LED module is installed and is formed big screen at the frame leading flank, all wraps up through dustproof plastic cloth on the rear side, upper and lower, the left and right sides wall, and dustproof plastic cloth is although can play dustproof protection, increase the effect of aesthetic property, but its heat dissipation of LED display screen has the influence.

Disclosure of Invention

The utility model aims to solve the technical problems and provide a heat dissipation structure of an LED screen.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a heat radiation structure of LED screen, includes LED screen fixed frame and LED module, and the LED module is fixed at LED screen fixed frame leading flank, and LED screen fixed frame rear side and upper and lower left and right sides all pass through dustproof plastic film cladding, LED module trailing flank is equipped with the heating panel, the heating panel includes heat absorption end and radiator fin, the heat absorption end is fixed on the LED module, radiator fin is equipped with the multichip, and vertical parallel arrangement is at heat absorption end rear side, be equipped with air inlet and water conservancy diversion fan on the fixed frame of LED screen, the air inlet is located LED screen fixed frame bottom, and the water conservancy diversion fan is located LED screen fixed frame trailing flank top.

Further, the heat absorbing bottom and the heat radiating fins are of an integrated structure.

Furthermore, the heat dissipation plate is made of aluminum alloy materials.

Further, the gap between the heat absorption bottom and the rear side wall of the LED module is filled with heat conduction paste.

Further, the rear side edge of the LED module is provided with a mounting piece, the heat dissipation plate is correspondingly provided with mounting lugs, and the mounting lugs and the heat dissipation plate are matched with each other to fix the heat dissipation plate on the LED module.

Further, the mounting piece is L type structure, and its side and LED module rear side wall fixed connection, and another lateral wall middle part is equipped with U type groove, and the installation ear is rectangular platy structure to pass from U type groove, be equipped with the mounting hole on the installation ear, correspond on the mounting piece and be equipped with the screw thread post, screw thread post one end is close to LED module's a lateral wall fixed connection with the mounting piece, and the other end passes the mounting hole and is connected with fixation nut.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the radiating plate is fixed at the rear side of the LED module, and comprises the plurality of radiating fins, so that the contact area between the radiating plate and air can be increased, the radiating effect is better, and because hot air can automatically move upwards under normal conditions and cold air sinks, the flow guiding fan is arranged above, the air inlet is arranged below the flow guiding fan, the cold air can conveniently enter and the hot air can conveniently be discharged, the radiating fins are vertically arranged, the air flow is prevented from being hindered, and the radiating heat can be conveniently taken away.

Drawings

Fig. 1 is a schematic structural view of an LED screen according to the present utility model.

Fig. 2 is a schematic longitudinal section of a heat dissipation structure of an LED screen according to the present utility model.

Fig. 3 is a schematic diagram of a connection structure between a heat sink and an LED module of a heat dissipation structure of an LED screen according to the present utility model.

Fig. 4 is a schematic view of a fixing frame structure of an LED screen according to the heat dissipation structure of the present utility model.

As shown in the figure: 1. an LED screen fixing frame; 2. an LED module; 3. a heat absorbing bottom; 4. a heat radiation fin; 5. an air inlet; 6. a diversion fan; 7. a mounting member; 8. a mounting ear; 9. a U-shaped groove; 10. a mounting hole; 11. a threaded column; 12. a heat dissipation plate; 13. and a fixing frame.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the term "connected" should be interpreted broadly, and for example, it may be a fixed connection, a removable connection, or an integral connection; the specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model provides a combine the attached drawing, a heat radiation structure of LED screen, including LED screen fixed frame 1 and LED module 2, LED module 2 is fixed at LED screen fixed frame 1 leading flank, and LED screen fixed frame 1 rear side and upper and lower left and right sides all pass through dustproof plastic film cladding, its characterized in that: the LED screen fixing frame is characterized in that a radiating plate 12 is arranged on the rear side face of the LED module 2, the radiating plate 12 comprises a heat absorption bottom 3 and radiating fins 4, the heat absorption bottom 3 is fixed on the LED module 2, the radiating fins 4 are provided with a plurality of radiating fins, the radiating fins are vertically arranged on the rear side of the heat absorption bottom 3 in parallel, an air inlet 5 and a flow guide fan 6 are arranged on the LED screen fixing frame 1, the air inlet 5 is arranged at the bottom of the LED screen fixing frame 1, the flow guide fan 6 is arranged at the top of the rear side face of the LED screen fixing frame 1, and a fixing frame 13 for installing the flow guide fan 6 is arranged in the LED screen fixing frame 1.

The heat absorbing bottom 3 and the heat radiating fins 4 are of an integrated structure. The two are integrated, so that the absorbed heat can be quickly transferred to the radiating fins 4, and the heat can be quickly radiated.

The heat dissipation plate 12 is made of aluminum alloy material, and the aluminum alloy has low price, light weight, high heat conduction coefficient and quick heat conduction.

The gap between the heat absorption bottom 3 and the rear side wall of the LED module 2 is filled with heat conduction paste, so that the heat absorption bottom 3 is in close contact with the LED module 2 as much as possible in order to reduce the heat resistance, but the gap is definitely formed, the gap is filled with the heat conduction paste, the heat resistance can be effectively reduced, and the heat generated by the LED module 2 can be rapidly absorbed.

The rear side edge of the LED module 2 is provided with a mounting piece 7, and the heat dissipation plate 12 is correspondingly provided with a mounting lug 8 which are matched with each other to fix the heat dissipation plate 12 on the LED module 2. The mounting piece 7 is of an L-shaped structure, one side of the mounting piece is fixedly connected with the rear side wall of the LED module 2, a U-shaped groove 9 is formed in the middle of the other side wall of the mounting piece, the mounting lug 8 is of a rectangular plate-shaped structure and penetrates through the U-shaped groove 9, a mounting hole 10 is formed in the mounting lug 8, a threaded column 11 is correspondingly arranged on the mounting piece 7, one end of the threaded column 11 is fixedly connected with one side wall of the mounting piece 7, which is close to the LED module 2, and the other end of the threaded column penetrates through the mounting hole 10 and is connected with a fixing nut.

When the LED module is in specific implementation, when the heat radiation plate is installed, heat conduction paste is smeared on the heat absorption bottom of the heat radiation plate, then the installation lugs on the heat radiation plate are aligned with the openings of the U-shaped grooves, meanwhile, the installation holes are aligned with the threaded columns, the heat radiation plate is pushed to one side of the LED module, so that the heat radiation plate is in close contact with the LED module, a part of the heat conduction paste overflows outwards, no gap is ensured, and then the fixing nuts are screwed.

When the heat-conducting fan is normally used, the heat-conducting fan rotates to drive air to move downwards and upwards, heat emitted by the heat-radiating plate is discharged, and meanwhile, external cold air enters from the bottom air inlet, so that rapid heat radiation is realized.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (6)

1. The utility model provides a heat radiation structure of LED screen, includes LED screen fixed frame (1) and LED module (2), and LED module (2) are fixed at LED screen fixed frame (1) leading flank, and LED screen fixed frame (1) rear side and upper and lower left and right sides all pass through dustproof plastic film cladding, its characterized in that: the LED module (2) trailing flank is equipped with heating panel (12), heating panel (12) are including heat absorption end (3) and radiator fin (4), heat absorption end (3) are fixed on LED module (2), radiator fin (4) are equipped with the multichip, and vertical parallel arrangement is at heat absorption end (3) rear side, be equipped with air inlet (5) and air guide fan (6) on LED screen fixed frame (1), air inlet (5) are located LED screen fixed frame (1) bottom, and air guide fan (6) are located LED screen fixed frame (1) trailing flank top.

2. The heat dissipation structure of an LED screen of claim 1, wherein: the heat absorbing bottom (3) and the heat radiating fins (4) are of an integrated structure.

3. A heat dissipation structure for an LED screen according to claim 1 or 2, characterized in that: the heat dissipation plate (12) is made of aluminum alloy materials.

4. The heat dissipation structure of an LED screen of claim 1, wherein: and a gap between the heat absorption bottom (3) and the rear side wall of the LED module (2) is filled with heat conduction paste.

5. The heat dissipation structure of an LED screen of claim 1, wherein: the LED module (2) rear side limit is equipped with installed part (7), corresponds on heating panel (12) to be equipped with mounting ear (8), and both cooperate, fix heating panel (12) on LED module (2).

6. The LED screen heat dissipation structure of claim 5, wherein: the mounting piece (7) is of an L-shaped structure, one side of the mounting piece is fixedly connected with the rear side wall of the LED module (2), a U-shaped groove (9) is formed in the middle of the other side wall of the mounting piece, the mounting lug (8) is of a rectangular plate-shaped structure and penetrates through the U-shaped groove (9), a mounting hole (10) is formed in the mounting lug (8), a threaded column (11) is correspondingly arranged on the mounting piece (7), one end of the threaded column (11) is fixedly connected with one side wall of the mounting piece (7) close to the LED module (2), and the other end of the threaded column passes through the mounting hole (10) and is connected with a fixing nut.