CN212434135U

CN212434135U - LED display screen using semiconductor refrigerating sheet for heat dissipation

Info

Publication number: CN212434135U
Application number: CN202020649916.0U
Authority: CN
Inventors: 刘雨墨
Original assignee: Individual
Current assignee: Xi'an Bofeng Electronic Technology Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-01-29
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses an use radiating LED display screen of semiconductor refrigeration piece, which comprises a housin, install a plurality of LED modules in the casing, every the back lateral wall of LED module all is fixed with the semiconductor refrigeration piece, every through heat dissipation silicone grease one side that the LED module was kept away from to the semiconductor refrigeration piece is fixed with radiating fin, the interior bottom of casing is equipped with the radiator fan who sets up towards radiating fin, the bevel connection has been seted up to the lower lateral wall of casing, set up the air inlet with the casing intercommunication on the inner wall of bevel connection, the gas outlet has been seted up on the both sides outer wall of casing, be fixed with the rain-proof frame that is located the gas outlet outside on the outer wall of casing. The utility model discloses a set up the semiconductor refrigeration piece and dispel the heat to the LED module, guarantee the normal work of LED module, the reciprocating motion through radiator fan realizes that the motion on a large scale of air current dispels the heat to radiating fin, improves the radiating efficiency of LED display screen.

Description

LED display screen using semiconductor refrigerating sheet for heat dissipation

Technical Field

The utility model relates to a LED display screen technical field especially relates to an use radiating LED display screen of semiconductor refrigeration piece.

Background

The LED display screen is a flat panel display, which is composed of small LED module panels, and is used to display various information such as text, images, video, etc. The LED electronic display screen integrates the microelectronic technology, the computer technology and the information processing, and has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable work and the like.

Traditional display screen mainly relies on the contact of self and air to dispel the heat when dispelling the heat, and radiating efficiency is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art, and the radiating LED display screen of an applied semiconductor refrigeration piece that proposes.

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

the utility model provides an use radiating LED display screen of semiconductor refrigeration piece, includes the casing, install a plurality of LED modules in the casing, every the back lateral wall of LED module all is fixed with the semiconductor refrigeration piece, every through heat dissipation silicone grease one side that the LED module was kept away from to the semiconductor refrigeration piece is fixed with radiating fin, the interior bottom of casing is equipped with the radiator fan that sets up towards radiating fin, the bevel connection has been seted up to the lower lateral wall of casing, set up the air inlet with the casing intercommunication on the inner wall of bevel connection, the gas outlet has been seted up on the both sides outer wall of casing, be fixed with the rain-proof frame that is located the gas outlet outside on the outer wall of casing.

Preferably, the upper side wall of the housing is provided with a slope.

Preferably, a net bag is fixed in the bevel opening and the rainproof frame, and activated carbon is filled in the net bag.

Preferably, the lower side wall of the heat radiation fan is fixed with a toothed plate, the inner wall of the housing is fixed with a motor, the driving end of the motor is fixed with an incomplete gear meshed with the toothed plate, the inner wall of the housing is also fixed with a guide plate, one end of the guide plate, which is far away from the inner wall of the housing, is inserted on the toothed plate, and a telescopic spring is fixed between one end of the toothed plate, which is far away from the guide plate, and the inner wall of the housing.

Preferably, a guide groove is formed at the joint of the toothed plate and the guide plate, and the guide plate is positioned in the guide groove to slide.

Compared with the prior art, this LED display screen of using semiconductor refrigeration piece radiating has:

1. the refrigerating surface of the semiconductor refrigerating sheet is in contact with the LED module, so that heat generated by the LED module during working is LED out, and the LED module is cooled;

2. the motor drives incomplete gear rotation, realizes pinion rack and radiator fan's reciprocating motion through incomplete gear and the intermittent type meshing of pinion rack, forms a plurality of positions and bloies, and the air current flow scope is wider, and is faster to radiating efficiency of radiating fin.

Drawings

Fig. 1 is a schematic structural view of an LED display screen using a semiconductor cooling plate to dissipate heat according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the device comprises a shell 1, semiconductor refrigerating fins 2, radiating fins 3, a rainproof frame 4, an inclined opening 5, an air inlet 6, an inclined plane 7, a toothed plate 8, a guide plate 9, a telescopic spring 10, a radiating fan 11, a motor 12 and an incomplete gear 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. 1-2, an LED display panel using semiconductor refrigeration sheet for heat dissipation comprises a housing 1, an inclined plane 7 is arranged on the upper side wall of the housing 1, the inclined plane 7 is arranged to guide rainwater, so as to avoid the problem of water seepage caused by rainwater accumulated on the housing 1, a plurality of LED modules are installed in the housing 1, a semiconductor refrigeration sheet 2 is fixed on the rear side wall of each LED module through heat dissipation silicone grease, a heat dissipation fin 3 is fixed on one side of each semiconductor refrigeration sheet 2 away from the LED module, the refrigeration surface of each semiconductor refrigeration sheet 2 is in contact with the LED module, so as to guide out heat generated by the LED module during operation, dissipate heat for the LED module, the heat dissipation surface of each semiconductor refrigeration sheet 2 is in contact with the heat dissipation fin 3, a heat dissipation fan 11 is arranged at the inner bottom of the housing 1 and faces the heat dissipation fin 3, the heat dissipation fan 11 upwards blows airflow to contact with the heat dissipation fin 3 to, with higher speed radiating fin 3's adsorption efficiency, bevel 5 has been seted up to casing 1's lower lateral wall, set up on bevel 5's the inner wall with casing 1 in the air inlet 6 of intercommunication, seted up the gas outlet on casing 1's the both sides outer wall, be fixed with the rain-proof frame 4 that is located the gas outlet outside on casing 1's the outer wall, rain-proof frame 4 is rain-proof to the gas outlet, avoids the rainwater to get into to casing 1 in.

A toothed plate 8 is fixed on the lower side wall of the heat dissipation fan 11, a motor 12 is fixed on the inner wall of the housing 1, an incomplete gear 13 meshed with the toothed plate 8 is fixed at the driving end of the motor 12, a guide plate 9 is also fixed on the inner wall of the housing 1, a guide groove is formed at the joint of the toothed plate 8 and the guide plate 9, the guide plate 9 is positioned in the guide groove to slide, the guide plate 9 limits the toothed plate 8 to ensure the smooth sliding of the toothed plate 8, one end, far away from the inner wall of the housing 1, of the guide plate 9 is inserted in the toothed plate 8, a telescopic spring 10 is fixed between one end, far away from the guide plate 9, of the toothed plate 8 and the inner wall of the housing 1, the motor 12 drives the incomplete gear 13 to rotate, when the incomplete gear 13 is meshed with the toothed plate 8, the toothed plate 8 and the heat dissipation fan 11 are driven to move towards one side, the telescopic spring 10 is squeezed, when the incomplete gear 13 rotates to be not meshed with the, the toothed plate 8 and the cooling fan 11 move reversely to realize the back and forth movement of the cooling fan 11, so that air is blown from a plurality of positions, the air flow flowing range is wider, and the cooling efficiency of the cooling fins 3 is faster.

Bevel connection 5 and rain-proof frame 4 internal fixation have the string bag, and the string bag intussuseption is filled with active carbon, and active carbon carries out the absorption of steam in the air, has avoided steam to enter into the use that influences interior component in the casing 1.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

Now, the operation principle of the present invention is explained as follows:

semiconductor refrigeration piece 2's refrigeration face and LED module contact, derive the heat that LED module work produced, semiconductor refrigeration piece 2's cooling surface outwards sets up and radiating fin 3 contacts, derive the heat on semiconductor refrigeration piece 2 through radiating fin 3, outside air passes through air inlet 6 and enters into to casing 1 in, effluvium through the gas outlet, motor 12 drives incomplete gear 13 and rotates, drive pinion rack 8 and radiator fan 11 toward one side movement when incomplete gear 13 meshes with pinion rack 8, extrude expanding spring 10, when incomplete gear 13 changes to not mesh with pinion rack 8, under expanding spring 10's reverse elasticity effect, pinion rack 8 and radiator fan 11 reverse movement, realize radiator fan 11's round trip movement, it dispels the heat to radiating fin 3 to form a plurality of positions and dry.

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 an use radiating LED display screen of semiconductor refrigeration piece, includes casing (1), its characterized in that, install a plurality of LED modules in casing (1), every the back lateral wall of LED module all is fixed with semiconductor refrigeration piece (2), every one side that the LED module was kept away from in semiconductor refrigeration piece (2) is fixed with radiating fin (3), the interior bottom of casing (1) is equipped with radiator fan (11) that set up towards radiating fin (3), bevel connection (5) have been seted up to the lower lateral wall of casing (1), set up on the inner wall of bevel connection (5) with air inlet (6) of casing (1) interior intercommunication, the gas outlet has been seted up on the both sides outer wall of casing (1), be fixed with rain-proof frame (4) that are located the gas outlet outside on the outer wall of casing (1).

2. The LED display screen using the semiconductor chilling plate for heat dissipation according to claim 1, wherein the upper side wall of the housing (1) is provided with a slope (7).

3. The LED display screen using the semiconductor refrigeration sheet for heat dissipation according to claim 1, wherein a net bag is fixed in the bevel opening (5) and the rainproof frame (4), and activated carbon is filled in the net bag.

4. The LED display screen using the semiconductor refrigeration sheet for heat dissipation according to claim 1, wherein a toothed plate (8) is fixed to a lower side wall of the heat dissipation fan (11), a motor (12) is fixed to an inner wall of the housing (1), a driving end of the motor (12) is fixed to an incomplete gear (13) meshed with the toothed plate (8), a guide plate (9) is further fixed to the inner wall of the housing (1), one end, far away from the inner wall of the housing (1), of the guide plate (9) is inserted into the toothed plate (8), and a telescopic spring (10) is fixed between one end, far away from the guide plate (9), of the toothed plate (8) and the inner wall of the housing (1).

5. The LED display screen using the semiconductor refrigeration sheet for heat dissipation according to claim 4, wherein a guide groove is formed at a joint of the toothed plate (8) and the guide plate (9), and the guide plate (9) is located in the guide groove to slide.