CN209947333U

CN209947333U - Campus information display screen with clean function

Info

Publication number: CN209947333U
Application number: CN201921103320.4U
Authority: CN
Inventors: 林启超
Original assignee: Guangdong Youmi Education Technology Co Ltd
Current assignee: Guangdong Youmi Education Technology Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-01-14
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses a campus information display screen with clean function, including display screen body and LED lamp pearl, still include the bottom plate, the display screen body is fixed with the bottom plate, the both sides of LED lamp pearl are to being equipped with two threaded rods, two the both ends of threaded rod are all rotated and are connected with primary shaft bearing, every primary shaft bearing all is fixed with the bottom plate, one of them the upside of threaded rod is equipped with the mounting panel, the mounting panel is fixed with the top of bottom plate, install a servo motor on the lateral wall of mounting panel, a servo motor's drive end is fixed, two with the top of homonymy threaded rod the equal threaded connection of threaded rod has the movable plate. This scheme can clear up the surface of each LED lamp pearl on the display screen body and the dust that the clearance department accumulated through the setting of each structure to guaranteed the luminance of LED lamp pearl, can avoid the display screen body to cause the damage because of the influence of dust simultaneously.

Description

Campus information display screen with clean function

Technical Field

The utility model relates to an electronic display screen technical field especially relates to a campus information display screen with clean function.

Background

The LED electronic display screen is formed by uniformly arranging tens of thousands to hundreds of thousands of semiconductor light-emitting diode pixel points. Different materials can be used for manufacturing LED pixel points with different colors. The most widely used at present are red, green and yellow. While the development of blue and pure green LEDs has reached a practical stage. The LED display screen can display variable numbers, characters and graphic images; the LED lamp can be used in indoor environment and outdoor environment, and has the advantages of being incomparable to projectors, television walls and liquid crystal display screens. The LED electronic display screen is also widely applied in the campus, and is usually used for displaying various campus information so as to bring convenience to the reliable ships.

The campus information display screen in the prior art generally has the following disadvantages in actual use: the display screen is exposed in the air for a long time, and dust is easily accumulated on the surface of the LED lamp post and in the gap, so that the brightness of the LED lamp bead is reduced, and even the whole display screen is damaged in severe cases, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the campus information display screen who provides has clean function.

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

a campus information display screen with a cleaning function comprises a display screen body, LED lamp beads and a bottom plate, wherein the display screen body is fixed with the bottom plate, two threaded rods are oppositely arranged on two sides of each LED lamp bead, the two ends of each threaded rod are rotatably connected with a first bearing seat, each first bearing seat is fixed with the bottom plate, a mounting plate is arranged on the upper side of one threaded rod and fixed with the top end of the bottom plate, a first servo motor is mounted on the side wall of the mounting plate, the driving end of the first servo motor is fixed with the top end of the threaded rod on the same side, two threaded rods are in threaded connection with a movable plate, second bearing seats are mounted on the side walls of the two movable plates, a second servo motor is mounted on the side wall of one movable plate, and a rotating rod is rotatably connected between the two second bearing seats, the rotating rod is fixed with the driving end of the second servo motor, and a sponge roller is installed on the side wall of the rotating rod.

Preferably, belt pulleys are installed at the top ends of the two threaded rods, and a belt is wound between the two belt pulleys.

Preferably, a plurality of sponge strips are uniformly arranged on the side wall of the sponge roller, and the sponge strips are different in length.

Preferably, the input ends of the first servo motor and the second servo motor are externally connected with a single chip microcomputer.

Preferably, the sponge roller and the sponge strip are both in contact with the LED lamp beads on the display screen body.

Compared with the prior art, the beneficial effects of the utility model reside in that:

this scheme can clear up the surface of each LED lamp pearl on the display screen body and the dust that the clearance department accumulated through the setting of each structure to guaranteed the luminance of LED lamp pearl, can avoid the display screen body to cause the damage because of the influence of dust simultaneously.

Drawings

Fig. 1 is a schematic view of an overall structure of a campus information display screen with a cleaning function according to the present invention;

fig. 2 is an enlarged view of a portion a of the structure of the campus information display screen with cleaning function according to the present invention;

fig. 3 is an enlarged view of a portion B of the campus information display screen with cleaning function according to the present invention.

In the figure: the LED lamp comprises a display screen body 1, LED lamp beads 2, a bottom plate 3, a mounting plate 4, a first servo motor 5, a first bearing seat 6, a threaded rod 7, a movable plate 8, a belt pulley 9, a belt 10, a second bearing seat 11, a second servo motor 12, a rotating rod 13, a sponge roller 14 and a sponge strip 15.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a campus information display screen with cleaning function, comprising a display screen body 1 and LED lamp beads 2, and further comprising a bottom plate 3, wherein the display screen body 1 is fixed with the bottom plate 3, two threaded rods 7 are oppositely arranged on two sides of the LED lamp beads 2, two ends of the two threaded rods 7 are rotatably connected with first bearing seats 6, each first bearing seat 6 is fixed with the bottom plate 3, an installation plate 4 is arranged on the upper side of one of the threaded rods 7, the installation plate 4 is fixed with the top end of the bottom plate 3, a first servo motor 5 is installed on the side wall of the installation plate 4, the driving end of the first servo motor 5 is fixed with the top end of the threaded rod 7 on the same side, the two threaded rods 7 are both in threaded connection with a movable plate 8, second bearing seats 11 are installed on the side walls of the two movable plates 8, a second servo motor 12 is installed on the side wall of, the rotating rod 13 is fixed with the driving end of the second servo motor 12, and a sponge roller 14 is installed on the side wall of the rotating rod 13.

Belt pulleys 9 are mounted at the top ends of the two threaded rods 7, and a belt 10 is wound between the two belt pulleys 9.

A plurality of sponge strips 15 are uniformly arranged on the side wall of the sponge roller 14, and the lengths of the sponge strips 15 are different.

The input ends of the first servo motor 5 and the second servo motor 12 are both externally connected with a single chip microcomputer.

The type of the singlechip can be a programmable 89S51 type singlechip, and the singlechip can control the first servo motor 5 and the second servo motor 12 to rotate forwards and backwards.

Sponge roller 14 and sponge strip 15 all contact with LED lamp pearl 2 on the display screen body 1.

The working principle of the utility model is as follows: first servo motor 5 drives threaded rod 7 fixed rather than the drive end, belt pulley 9 on this threaded rod 7 passes through belt 10 transmission with belt pulley 9 on another threaded rod 7 this moment, therefore two threaded rods 7 can rotate simultaneously, because threaded rod 7 threaded connection has movable plate 8, therefore threaded rod 7 rotates, movable plate 8 can move on threaded rod 7, when movable plate 8 removes, drive second bearing 11, second servo motor 12, bull stick 13, sponge roller 14 and sponge strip 15 remove simultaneously, second servo motor 12 drives bull stick 13, sponge roller 14 and sponge strip 15 rotate, sponge roller 14 and sponge strip 15 can clear up LED lamp pearl 2 on the surface and the dust in clearance department this moment, thereby prevent that the dust from influencing the luminance of LED lamp pearl 2 and the holistic normal use of display screen body 1.

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 campus information display screen with the cleaning function comprises a display screen body (1) and LED lamp beads (2), and is characterized by further comprising a bottom plate (3), wherein the display screen body (1) is fixed with the bottom plate (3), two threaded rods (7) are oppositely arranged on two sides of the LED lamp beads (2), two ends of the threaded rods (7) are respectively and rotatably connected with a first bearing seat (6), each first bearing seat (6) is fixed with the bottom plate (3), one of the threaded rods (7) is arranged on the upper side of the mounting plate (4), the mounting plate (4) is fixed with the top end of the bottom plate (3), a first servo motor (5) is mounted on the side wall of the mounting plate (4), the driving end of the first servo motor (5) is fixed with the top end of the threaded rod (7) on the same side, and two threaded rods (7) are respectively and are in threaded connection with a movable plate (8), two all install second bearing frame (11), one of them on the lateral wall of movable plate (8) install second servo motor (12), two on the lateral wall of movable plate (8) rotate jointly between second bearing frame (11) and be connected with bull stick (13), bull stick (13) are fixed with the drive end of second servo motor (12), sponge roller (14) are installed to the lateral wall of bull stick (13).

2. The campus information display screen with the cleaning function as claimed in claim 1, wherein a belt pulley (9) is mounted on the top end of each of the two threaded rods (7), and a belt (10) is wound between the two belt pulleys (9) together.

3. The campus information display screen with cleaning function as claimed in claim 1, wherein a plurality of sponge strips (15) are uniformly installed on the side wall of the sponge roller (14), and the sponge strips (15) have different lengths.

4. The campus information display screen with the cleaning function as claimed in claim 1, wherein the input ends of the first servo motor (5) and the second servo motor (12) are both externally connected with a single chip microcomputer.

5. The campus information display screen with the cleaning function as claimed in claim 1, wherein the sponge roller (14) and the sponge strip (15) are both in contact with the LED lamp beads (2) on the display screen body (1).