CN112185252A

CN112185252A - Multimedia display board

Info

Publication number: CN112185252A
Application number: CN202010982646.XA
Authority: CN
Inventors: 强俊; 管萍; 刘无纪
Original assignee: Anhui Polytechnic University
Current assignee: Anhui Polytechnic University
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-01-05

Abstract

The invention discloses a multimedia display board, which comprises a box body, wherein a glass outer screen is arranged on the front surface of the box body, a throwing screen is arranged on one surface of the glass outer screen facing the interior of the box body, a power supply device and a time relay are arranged in the box body, slide rails are vertically arranged on two side walls of the front surface of the box body, linear moving devices capable of vertically lifting along the slide rails are arranged on the slide rails, fixing strips are arranged between the linear moving devices, scraping strips are fixed at the lower ends of the fixing strips, the scraping strips are attached to the surface of the glass outer screen, the throwing screen is electrically connected with the power supply device, the linear moving devices are electrically connected with the power supply device and the time relay respectively, the glass outer screen is periodically cleaned through the scraping strips, the automation degree is high, and the trouble of manual cleaning is reduced.

Description

Multimedia display board

Technical Field

The invention relates to the field of multimedia advertisement boxes, in particular to a multimedia display board.

Background

The existing outdoor multimedia display equipment has a single structure, for example, the outdoor multimedia display equipment does not have a self-cleaning function, and dust is easily accumulated on the surface after the outdoor multimedia display equipment is placed for a long time, so that special cleaning personnel are required to regularly clean the surface of the placed advertising equipment, and the manpower consumption and the maintenance cost are increased invisibly.

Disclosure of Invention

In view of the above, the present invention is directed to a multimedia display board, which solves all or one of the above-mentioned drawbacks of the prior art.

The multimedia display board comprises a box body, wherein the front surface of the box body is provided with a glass outer screen, one surface of the glass outer screen facing the interior of the box body is provided with a throwing screen, a power supply device and a time relay are arranged in the box body, two side walls of the front surface of the box body are vertically provided with slide rails, the slide rails are provided with linear moving devices capable of vertically lifting along the slide rails, fixing strips are arranged between the linear moving devices, the lower ends of the fixing strips are fixedly provided with scraping strips, the scraping strips are attached to the surfaces of the glass outer screen, the throwing screen is electrically connected with the power supply device, and the linear moving devices are respectively electrically connected with the power supply device and the time relay.

Optionally, the upper end of box is equipped with the fixed plate, the lower extreme of fixed plate is fixed with the shower nozzle of rectangular shape, the upper portion of the outer screen of orientation glass of the play water direction slope of shower nozzle, the inside top of box is fixed with the water pump, the play water end of water pump is equipped with the outlet pipe, the outlet pipe runs through and is connected with the shower nozzle behind the outer screen of glass, the end of intaking of water pump is equipped with the inlet tube, the inside water tank that still is fixed with of box, the top of box is equipped with the inlet hole, the upper end and the inlet hole intercommunication of water tank, the inlet tube communicates with the bottom of.

Optionally, a controller is arranged inside the box body, a low liquid level sensor is arranged at the bottom of the water tank, a supplementing water pipe is communicated with the bottom of the water tank and communicated with the urban water pipe, an electromagnetic valve is arranged on the supplementing water pipe, and the electromagnetic valve and the low liquid level sensor are in signal connection with the controller.

Optionally, a filter screen is arranged in the water inlet hole.

Optionally, the top of box is equipped with solar charging panel, solar charging panel and power supply unit electric connection.

Optionally, the power supply device is a storage battery.

Optionally, the linear moving device is a linear guide motor.

As can be seen from the above, this multimedia display tablet is cleared up the glass outer screen through scraping the strip regularly, and degree of automation is high, reduces the trouble of artifical clearance.

Drawings

FIG. 1 is a schematic front view of an advertisement cabinet of the present invention;

fig. 2 is a side view of the internal structure of the advertisement box of the present invention.

Wherein 1, the solar energy charging panel; 2. a spray head; 3. a fixing plate; 4. a linear moving device; 5. a box body; 6. a glass outer screen; 7. a screen is released; 8. a fixing strip; 9. scraping the strips; 10. a slide rail; 11. a water outlet pipe; 12. a water pump; 13. a water inlet hole; 14. a water tank; 15. filtering with a screen; 16. a time relay; 17. a low level sensor; 18. a water inlet pipe; 19. an electromagnetic valve; 20. a water pipe is supplemented; 21. a power supply device; 22. and a controller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

It should be noted that all expressions of "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name or different parameters, and it is understood that "first" and "second" are merely for convenience of description and should not be construed as limiting the embodiments of the present invention, and that the directions and positions of the terms, such as "up", "middle", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., in the present invention are only referred to the directions and positions of the attached drawings, and therefore, the directions and positions of the terms are used for illustrating and understanding the present invention, and are not used for limiting the subsequent embodiments of the present invention.

Based on above-mentioned purpose provides a multimedia display card, including box 5, box 5 openly is equipped with glass outer screen 6, glass outer screen 6 is equipped with towards the inside one side of box 5 and puts in screen 7, box 5 is inside to be equipped with power supply unit 21 and time relay 16, the vertical slide rail 10 that is equipped with on the positive both sides wall of box 5, be equipped with on the slide rail 10 and follow slide rail 10 and be the rectilinear movement device 4 of vertical lift, be equipped with fixed strip 8 between the rectilinear movement device 4, the lower extreme of fixed strip 8 is fixed with scrapes strip 9, scrape 6 surface laminatings of strip 9 and glass outer screen, put in screen 7 and power supply unit 21 electric connection, rectilinear movement device 4 respectively with power supply unit 21 and 16 electric connection of time relay.

As shown in fig. 1 and 2, the throwing screen 7 displays multimedia information, the glass outer screen 6 is arranged outside the throwing screen 7 and used for protecting the throwing screen 7, the power supply device 21 is electrically connected with the throwing screen 7 and used for supplying electric energy to the throwing screen 7, the linear moving device 4 is electrically connected with the time relay 16, the time relay 16 is used for regularly opening and closing the linear moving device 4, the linear moving device 4 can vertically lift along the slide rail 10, the linear moving device 4 drives the fixing strip 8 to synchronously move up and down in the moving process, the fixing strip 8 drives the scraping strip 9 to move up and down, the scraping strip 9 is attached to the glass outer screen 6, the scraping strip 9 cleans the surface of the glass outer screen 6 in the moving process, so that the glass outer screen 6 is recovered to be clean, compared with the mode of manual regular cleaning, the multimedia display board cleans the glass outer screen 6 through the scraping strip 9 regularly, and has high automation degree, the trouble of manual cleaning is reduced.

In some optional embodiments, the upper end of the box 5 is provided with a fixing plate 3, the lower end of the fixing plate 3 is fixed with a long-strip-shaped spray head 2, the upper portion of the spray head 2, which faces the glass outer screen 6, is inclined in the water outlet direction, of the upper portion of the glass outer screen 6, a water pump 12 is fixed on the top end inside the box 5, a water outlet pipe 11 is arranged at the water outlet end of the water pump 12, the water outlet pipe 11 penetrates through the glass outer screen 6 and is connected with the spray head 2, a water inlet pipe 18 is arranged at the water inlet end of the water pump 12, a water tank 14 is further fixed inside the box 5, a water inlet hole 13 is arranged at the top of the box 5, the upper.

For example, the water pump 12 is electrically connected with the power supply device 21, the power supply device 21 supplies power to the water pump 12, the water pump 12 is electrically connected with the time relay 16, the top of the box body 5 is provided with the water inlet hole 13, when raining, rainwater enters the water tank 14 from the water inlet hole 13, a certain amount of water is stored in the water tank 14, when the glass outer screen 6 is cleaned, the water pump 12 sucks water from the water tank 14, then the water is sent to the spray head 2 through the water outlet pipe 11, then the water is sprayed onto the glass outer screen 6 through the spray head 2, then the scraping strip 9 moves up and down to clean the surface of the glass outer screen 6, the rainwater is stored through the water tank 14, and the cleaning capability of the scraping strip 9 on the glass outer screen 6 can be further improved through.

In some optional embodiments, a controller 22 is arranged inside the tank body 5, a low liquid level sensor 17 is arranged at the bottom of the water tank 14, a supplement water pipe 20 is communicated with the bottom of the water tank 14, the supplement water pipe 20 is communicated with a city water pipe, an electromagnetic valve 19 is arranged on the supplement water pipe 20, and the electromagnetic valve 19 and the low liquid level sensor 17 are in signal connection with the controller 22.

When the rainwater stored in the water tank 14 is used up or is low, the low level sensor 17 feeds back information to the controller 22, the controller 22 controls the electromagnetic valve 19 to be opened, the make-up water pipe 20 is communicated with the city water pipe, and a certain amount of water is made up in the water tank 14.

In some optional embodiments, a filter screen 15 is disposed in the water inlet hole 13 to filter out impurities such as fallen leaves when collecting rainwater.

In some optional embodiments, the top of the box body 5 is provided with a solar charging panel 1, the solar charging panel 1 is electrically connected to the power supply device 21, and the solar energy is converted into electric energy through the solar charging panel 1 and provided to the power supply device 21.

In some alternative embodiments, the power supply device 21 is a battery.

In some alternative embodiments, the linear motion device 4 is a linear guide motor.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

In addition, well known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.

While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic ram (dram)) may use the discussed embodiments.

The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. A multimedia display board is characterized by comprising a box body (5), wherein the front surface of the box body (5) is provided with a glass outer screen (6), a throwing screen (7) is arranged on one surface of the glass outer screen (6) facing the interior of the box body (5), a power supply device (21) and a time relay (16) are arranged in the box body (5), two side walls on the front surface of the box body (5) are vertically provided with slide rails (10), the slide rails (10) are provided with linear moving devices (4) which can vertically lift along the slide rails (10), a fixed strip (8) is arranged between the linear moving devices (4), a scraping strip (9) is fixed at the lower end of the fixed strip (8), the scraping strip (9) is attached to the surface of the glass outer screen (6), the throwing screen (7) is electrically connected with the power supply device (21), the linear moving device (4) is electrically connected with the power supply device (21) and the time relay (16) respectively.

2. Multimedia presentation board according to claim 1, wherein the upper end of the case (5) is provided with a fixing plate (3), a strip-shaped spray head (2) is fixed at the lower end of the fixed plate (3), the water outlet direction of the spray head (2) is inclined towards the upper part of the glass outer screen (6), a water pump (12) is fixed at the top end inside the box body (5), a water outlet pipe (11) is arranged at the water outlet end of the water pump (12), the water outlet pipe (11) penetrates through the glass outer screen (6) and then is connected with the spray head (2), a water inlet pipe (18) is arranged at the water inlet end of the water pump (12), a water tank (14) is also fixed in the box body (5), the top of box (5) is equipped with into water hole (13), the upper end and the water hole (13) intercommunication of intaking of water tank (14), inlet tube (18) and the bottom intercommunication of water tank (14).

3. The multimedia display board as claimed in claim 2, wherein a controller (22) is arranged inside the box body (5), a low liquid level sensor (17) is arranged at the bottom of the water tank (14), a supplement water pipe (20) is communicated with the bottom of the water tank (14), the supplement water pipe (20) is communicated with a city water pipe, an electromagnetic valve (19) is arranged on the supplement water pipe (20), and the electromagnetic valve (19) and the low liquid level sensor (17) are in signal connection with the controller (22).

4. A multimedia presentation board according to claim 3, wherein a filter screen (15) is provided in the inlet hole (13).

5. The multimedia presentation board of claim 1, wherein a solar charging panel (1) is disposed on the top of the box body (5), and the solar charging panel (1) is electrically connected to the power supply device (21).

6. A multimedia presentation board according to claim 1, wherein the power supply means (21) is a battery.

7. A multimedia presentation board according to claim 1, wherein the linear movement means (4) is a linear guide motor.