CN220674195U

CN220674195U - LED outdoor advertising screen

Info

Publication number: CN220674195U
Application number: CN202321736657.5U
Authority: CN
Inventors: 胡庆华
Original assignee: Shenzhen Jucaiyuan Photoelectric Co ltd
Current assignee: Shenzhen Jucaiyuan Photoelectric Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2024-03-26
Anticipated expiration: 2033-07-04

Abstract

The utility model discloses an LED outdoor advertising screen which is applied to the field of outdoor advertising screens and comprises a fixed frame, wherein an LED advertising screen main body is arranged on the front surface of the fixed frame, a first shell is bolted to the top end of the front surface of the fixed frame, two axial flow fans are arranged in the first shell, an air outlet is formed in the bottom of the first shell, air inlets are formed in two sides of the fixed frame, a second shell is bolted to the bottom end of the front surface of the fixed frame, a threaded rod is connected in the second shell in a rotating mode through a bearing, a motor is fixedly sleeved at the other end of the threaded rod, and a thread block is connected to the surface of the threaded rod in a threaded mode; can realize that the radiating effect is good, improve the inside circulation of air effect of advertisement screen, prolonged the advertisement screen life under high temperature environment, can be convenient for clear up the impurity that the screen surface is attached to compacter simultaneously, can not cause the shielding to the screen surface, improved the cleaning effect of screen surface, the practicality is high.

Description

LED outdoor advertising screen

Technical Field

The utility model relates to the field of outdoor advertising screens, in particular to an LED outdoor advertising screen.

Background

The LED advertising screen, i.e., LED electronic display screen, is a display screen which is formed by controlling the display mode of semiconductor light emitting diodes, and is roughly formed by a plurality of light emitting diodes which are usually red, and displays characters by turning on and off lamps, so as to display various information such as characters, figures, images, animation, quotations, videos, video signals and the like. The LED display screen may be used for indoor or outdoor use, such as large squares, commercials, stadiums, information dissemination, news release, securities exchanges, etc.

At present, the Chinese utility model with the bulletin number of CN211070530U discloses an outdoor advertising screen with a drainage function, which comprises a screen body, wherein a water retaining box is horizontally and fixedly arranged on the right side of the upper end of the screen body, a reciprocating electric push rod is vertically and fixedly arranged on the upper left side of the water retaining box, a linkage rod is movably arranged at the lower end of the reciprocating electric push rod, a water pushing plate is horizontally and movably connected at the tail end of the linkage rod, and a guide pipe is horizontally and slidably arranged at the bottom of the right side plate of the water retaining box. According to the utility model, after the rainwater sensing switch senses rainwater, the reciprocating electric push rod is enabled to reciprocate up and down, when the reciprocating electric push rod stretches downwards, the linkage rod pushes the water pushing plate rightwards, the water pushing plate pushes the rainwater falling in the water blocking box rightwards, when the water pushing plate pushes the rainwater to the right side of the water blocking box, the rainwater flows outwards from the guide pipe, and when the water pushing plate abuts against the left end of the guide pipe, the guide pipe slides outwards to extend towards the right side of the water blocking box, so that the distance between the water outlet and the screen body is increased.

The existing LED outdoor advertising screen has the drainage function, so that accumulated rainwater can be prevented from damaging the display screen, but other problems exist in the use process, such as poor heat dissipation effect, when the LED advertising screen operates in the outdoor hot environment for a long time in summer, the electronic elements in the LED advertising screen can generate heat, and heat generated by the LED advertising screen is difficult to timely drain outwards only through the ventilation between the upper and lower suction openings, the exhaust openings and the outer shell of the LED advertising screen and natural wind, faults and damages to the electronic elements in the LED advertising screen are easily caused, the service life of the display screen is reduced, and impurities which are attached tightly to the screen are inconvenient to clean, in order to ensure the cleanliness of the screen, good watching experience is provided for people, the dust on the screen is required to be blown and the impurities which are attached tightly to the screen are not blown down by wind force only, so that the cleaning effect of the screen is reduced, and in order to solve the problems.

Disclosure of Invention

The utility model aims to provide an LED outdoor advertising screen, which has the advantages of good heat dissipation effect and convenience in cleaning impurities attached to a screen.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides an outdoor advertising screen of LED, includes fixed frame, the positive LED advertising screen main part of installing of fixed frame, fixed frame positive top bolt has first casing, two axial fan are installed to the internally mounted of first casing, the air outlet has been seted up to the bottom of first casing, the air intake has all been seted up to the both sides of fixed frame, fixed frame positive bottom bolt has the second casing, the inside of second casing is connected with the threaded rod through the bearing rotation, the fixed motor that has cup jointed of the other end of threaded rod, the surface threaded connection of threaded rod has the screw thread piece, cleaning scraper blade is installed at the top of screw thread piece.

By adopting the technical scheme, the radiating effect is good, the air circulation effect inside the advertising screen is improved, the service life of the advertising screen in a high-temperature environment is prolonged, the impurity which is attached to the screen is convenient to clean, shielding can not be caused to the screen, the cleaning effect of the screen is improved, and the practicability is high.

The utility model is further provided with: the surface fixing of the axial flow fan is sleeved with a limiting sleeve plate, and one side of the limiting sleeve plate is bolted with the inside of the first shell.

By adopting the technical scheme, the axial flow fan can be fixed through the arrangement of the limiting sleeve plate, and the stability of the axial flow fan after installation is improved.

The utility model is further provided with: and a dustproof net is arranged in the air inlet.

By adopting the technical scheme, through the setting of dust screen, can intercept the great impurity that enters into in the first casing, avoid entering into in the first casing back to the axial fan and cause the damage.

The utility model is further provided with: the inside bolt of second casing has the slide rail, the bottom welding of screw thread piece has the slider with slide rail sliding connection.

By adopting the technical scheme, the threaded block can be limited through the arrangement of the sliding rail and the sliding block, and the threaded block is prevented from turning over in the process of moving left and right.

The utility model is further provided with: and drain holes are formed in the bottom of the second shell and the bottom of the fixed frame.

By adopting the technical scheme, the rainwater falling into the second shell can be conveniently guided and discharged outwards through the arrangement of the drainage holes.

The utility model is further provided with: the front of the fixed frame is bolted with two cover plates.

By adopting the technical scheme, the first shell and the second shell inside can be disassembled and assembled through the arrangement of the cover plate.

The utility model is further provided with: the threaded rod is made of stainless steel.

By adopting the technical scheme, the threaded rod has the characteristics of high strength, small density and excellent corrosion resistance.

In summary, the utility model has the following beneficial effects:

1. according to the utility model, the axial flow fan is started, the fan blades in the LED advertisement screen are rotated after the axial flow fan is started, the fan blades compress and send external air into the first shell through the air inlet when the fan blades rotate, the air entering the first shell is blown into the LED advertisement screen main body through the air suction inlet aligned with the air outlet and the air suction inlet aligned with the air outlet, and finally, hot air in the LED advertisement screen main body is discharged through the air outlet arranged below, so that a good heat dissipation effect can be realized, the air circulation effect in the advertisement screen is improved, and the service life of the advertisement screen in a high-temperature environment is prolonged;

2. according to the utility model, the motor is started, the threaded rod is driven to rotate through the cooperation of the second shell and the bearing after the motor is started, the threaded rod drives the threaded block to move backwards through the cooperation of the sliding rail and the sliding block when the threaded rod rotates, the threaded block drives the cleaning scraping plate to move backwards together when the threaded block moves backwards, the cleaning scraping plate contacts with the screen to wipe when the cleaning scraping plate moves right, the impurities attached to the screen can be conveniently cleaned, the screen is not blocked, the cleaning effect of the screen is improved, and the practicability is high.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the structure of the present utility model;

FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present utility model;

fig. 4 is an enlarged view of the structure of fig. 2B according to the present utility model.

Reference numerals: 1. a fixed frame; 2. an LED advertising screen main body; 3. a first housing; 4. an axial flow fan; 5. an air outlet; 6. an air inlet; 7. a second housing; 8. a threaded rod; 9. a motor; 10. a screw block; 11. a cleaning blade; 12. a limiting sleeve plate; 13. a dust screen; 14. a slide rail; 15. a slide block; 16. a drain hole; 17. and a cover plate.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 1, fig. 2 and fig. 3, an outdoor advertising screen of LED, including fixed frame 1, the positive face of fixed frame 1 installs LED advertising screen main part 2, fixed frame 1 positive top bolt has first casing 3, two axial fan 4 are installed to the internally mounted of first casing 3, air outlet 5 has been seted up to the bottom of first casing 3, air intake 6 has all been seted up to the both sides of fixed frame 1, through starting axial fan 4, axial fan 4 can make inside flabellum rotate after starting, the flabellum can be through air intake 6 with external air compression send into in the first casing 3 when rotatory, air in entering into first casing 3 can be through air outlet 5 with the inlet scoop of below counterpoint blow into LED advertising screen main part 2, finally the hot-blast in the LED advertising screen main part 2 can be discharged through the gas vent of below self-contained, can realize that the radiating effect is good, the inside air circulation effect of advertising screen has been improved, the service life of advertising screen under high temperature environment has been prolonged.

Referring to fig. 3, the surface fixing of the axial fan 4 is sleeved with the limiting sleeve plate 12, one side of the limiting sleeve plate 12 is bolted with the inside of the first casing 3, and the axial fan 4 can be fixed through the setting of the limiting sleeve plate 12, so that the stability of the axial fan 4 after installation is improved.

Referring to fig. 1 and 3, the dust screen 13 is installed in the air inlet 6, and through the arrangement of the dust screen 13, larger impurities entering the first housing 3 can be intercepted, so that damage to the axial fan 4 after entering the first housing 3 is avoided.

Referring to fig. 1, two cover plates 17 are bolted to the front surface of the fixed frame 1, and the first casing 3 and the second casing 7 can be assembled and disassembled by the arrangement of the cover plates 17.

The use process is briefly described: through starting axial fan 4, axial fan 4 can make inside flabellum rotate after starting, and the flabellum can be through air intake 6 with external air compression send into in the first casing 3 when rotatory, and the air that enters into in the first casing 3 can blow into LED advertising screen main part 2 through the inlet scoop that air outlet 5 and below counterpoint, and the hot-blast in the last LED advertising screen main part 2 can be discharged through the below from the gas vent of taking.

Example 2:

referring to fig. 1, 2 and 4, an outdoor LED advertising screen is disclosed, the positive bottom of fixed frame 1 is bolted with second casing 7, the inside of second casing 7 is connected with threaded rod 8 through the bearing rotation, the fixed motor 9 that cup joints of the other end of threaded rod 8, threaded rod 8's surface threaded connection has screw thread piece 10, cleaning blade 11 is installed at the top of screw thread piece 10, through starting motor 9, motor 9 can drive threaded rod 8 through the cooperation of second casing 7 and bearing and rotate after starting, threaded rod 8 can drive screw thread piece 10 back removal through the cooperation of slide rail 14 and slider 15 when rotating, screw thread piece 10 can drive cleaning blade 11 and move backward together when moving backward, cleaning blade 11 can be cleaned with the screen panel contact when moving right, can be convenient for adhere to tighter impurity to the screen panel and clear up, can not shelter from the screen panel, the cleaning effect of screen panel has been improved, and the practicality is high.

Referring to fig. 4, the sliding rail 14 is bolted to the inside of the second casing 7, the sliding block 15 connected with the sliding rail 14 in a sliding manner is welded to the bottom of the threaded block 10, and the threaded block 10 can be limited through the arrangement of the sliding rail 14 and the sliding block 15, so that the threaded block 10 is prevented from turning over in the process of moving left and right.

Referring to fig. 4, drain holes 16 are formed in both the bottom of the second housing 7 and the bottom of the fixed frame 1, and by providing the drain holes 16, it is possible to facilitate outward drainage of rainwater falling into the second housing 7.

Referring to fig. 4, the threaded rod 8 is made of stainless steel, and the threaded rod 8 has the characteristics of high strength, low density, and excellent corrosion resistance.

The use process is briefly described: by starting the motor 9, the motor 9 drives the threaded rod 8 to rotate through the cooperation of the second casing 7 and the bearing after starting, the threaded rod 8 drives the threaded block 10 to move backwards through the cooperation of the sliding rail 14 and the sliding block 15 when rotating, the threaded block 10 drives the cleaning scraping plate 11 to move backwards together when moving backwards, and the cleaning scraping plate 11 contacts a screen to wipe when moving rightwards.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The utility model provides an outdoor advertising screen of LED, includes fixed frame (1), its characterized in that, LED advertising screen main part (2) are installed in the front of fixed frame (1), fixed frame (1) positive top bolt has first casing (3), two axial fan (4) are installed to the internally mounted of first casing (3), air outlet (5) have been seted up to the bottom of first casing (3), air intake (6) have all been seted up to the both sides of fixed frame (1), fixed frame (1) positive bottom bolt has second casing (7), the inside of second casing (7) is connected with threaded rod (8) through the bearing rotation, motor (9) have been cup jointed in the other end of threaded rod (8), the surface threaded connection of threaded rod (8) has screw block (10), cleaning scraper blade (11) are installed at the top of screw block (10).

2. An LED outdoor advertising screen according to claim 1, characterized in that the surface of the axial flow fan (4) is fixedly sleeved with a limiting sleeve plate (12), and one side of the limiting sleeve plate (12) is bolted with the inside of the first housing (3).

3. An LED outdoor advertising screen according to claim 1, characterized in that the air inlet (6) is internally fitted with a dust screen (13).

4. An LED outdoor advertising screen according to claim 1, characterized in that the inside of the second housing (7) is bolted with a sliding rail (14), and the bottom of the threaded block (10) is welded with a slider (15) in sliding connection with the sliding rail (14).

5. The outdoor LED advertising screen according to claim 1, wherein the bottom of the second housing (7) and the bottom of the fixed frame (1) are both provided with drain holes (16).

6. An LED outdoor advertising screen according to claim 1, characterized in that the front face of the fixed frame (1) is bolted with two cover plates (17).

7. An LED outdoor advertising screen according to claim 1, characterized in that the threaded rod (8) is made of stainless steel material.