CN212229971U

CN212229971U - Multimedia display stand

Info

Publication number: CN212229971U
Application number: CN202020845163.0U
Authority: CN
Inventors: 张正刚; 薛开江
Original assignee: Chengdu Jingcheng Enoch Polytron Technologies Inc
Current assignee: Chengdu Jingcheng Enoch Polytron Technologies Inc
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-12-25
Anticipated expiration: 2030-05-19

Abstract

The utility model provides a multimedia display stand, which is provided with a guide rail, an electric control screen cleaner and a control device besides the prior display stand and a display screen; the guide rail is fixed on the display stand and arranged on one side of the display screen; the control device is fixed on the display stand, is electrically connected with the electric control screen cleaner and is used for triggering and controlling the movement of the electric control screen cleaner along the guide rail; the electric control screen cleaner moves along the guide rail to contact and clean the display surface of the display screen. The utility model realizes that the attractable visitors or visitors can actively do cleaning interaction, and the display platform automatically cleans the display; by utilizing the trigger switch and the microprocessor, after the trigger switch is operated by a visitor to be closed/conducted, the microprocessor controls the electric control screen cleaner to perform cleaning operation, and the visitor helps to complete cleaning and maintenance, so that the interactivity of the display stand is improved.

Description

Multimedia display stand

Technical Field

The utility model relates to a multimedia display equipment technical field especially relates to a multimedia display platform.

Background

Multimedia is a complex of multiple media, typically including text, sound, and images. In a computer system, multimedia refers to a man-machine interactive information exchange and dissemination medium that combines two or more media. The media used include text, pictures, photos, sounds, animations and movies, and the interactive functions provided by the programs. Therefore, the multimedia is widely applied in the fields of teaching, advertisement display and the like.

The multimedia display stand is used for displaying the achievement of a project, has single function, is generally placed in a hall, and is watched by an external visitor, dust and fingerprints are not accumulated on a display screen in the hall, the current multimedia display stand basically needs to be cleaned and maintained by a cleaner, particularly the display screen, how to complete cleaning and maintenance by the help of the visitor, how to improve the interactivity and interestingness of the display stand, and the attraction of the display stand is enhanced, so that the multimedia display stand needs to be further researched.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a multimedia display platform, it has solved the problem that the personnel of keeping a public place clean that exist among the prior art can't in time clear up the display screen.

The scheme of the utility model is that: a multimedia display stand comprises a display stand and a display screen, wherein the display stand is provided with a flat table top, and the display surface of the display screen is parallel or level to the table top;

guide rails are arranged on the display tables on the two sides of the display screen; an electric control screen cleaner and a control device are also arranged on the display platform;

the electronic control screen cleaner is connected with the guide rail in a sliding manner and moves along the guide rail under the triggering of the electronic control screen cleaner, so that the cleaning working surface of the electronic control screen cleaner is in contact with and cleans the display surface of the display screen; the control device is fixed on the display stand, is electrically connected with the electric control screen cleaner and is used for triggering and controlling the electric control screen cleaner to move along the guide rail.

Further, the guide rail adopts ball screw, ball screw contains screw rod and drive nut, the screw rod is fixed respectively in the relative both sides of display screen on the show stand, drive nut and screw rod threaded connection.

Further, automatically controlled screen cleaner includes motor, shaft coupling and clearance subassembly, the pivot of motor is passed through the shaft coupling with the guide rail realizes the hub connection, the clearance subassembly is fixed on ball's drive nut.

Furthermore, the clearance subassembly includes connecting piece, connecting plate and brush head, the one end of connecting piece is fixed on ball's drive nut, the other end of connecting piece is connected the connecting plate, the connecting plate with it fixes to display screen one side relatively brush head, the clearance working face of brush head with the display surface contact of display screen.

Further, the cleaning assembly also comprises a dust suction device; and a dust suction device is further fixed on one surface of the connecting plate and is adjacent to the brush head.

Furthermore, the dust suction device is a dust collector, and the output of the control device is electrically connected with the dust collector to control the dust collector to work.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses utilize trigger switch to be connected with microprocessor, after visitor's operation trigger switch made its closure/switch on, send trigger signal to controlling means's microprocessor in, microprocessor controls motor and automatically controlled screen cleaner again and carries out cleaning operation, with the help of visitor's help to accomplish clean maintenance, improved the interactivity of show stand;

2. the utility model discloses a guide rail and the automatically controlled screen clearance ware including motor, brush head have realized that automatically controlled screen clearance ware can realize removing along with the guide rail to carry out the process of automatic clearance to the display screen.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a circuit diagram of the driving motor of the present invention;

FIG. 3 is a circuit connection diagram of a trigger switch of embodiment 1;

FIG. 4 is an enlarged schematic view of the sponge roller of example 1;

FIG. 5 is a schematic cross-sectional view of an electric control screen cleaner of embodiment 2;

FIG. 6 is a motor driving circuit diagram of a vacuum cleaner according to embodiment 2;

in the above drawings: the device comprises a guide rail 1, a display screen 3, a connecting piece 4, a connecting plate 5, a motor 6, a coupler 7, a second fixing piece 8, a fixed wheel disc 9, a sponge body 10, a flat suction nozzle 11, a dust collection box 12, a throat pipe 13 and a brush head 14.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific embodiments so that those skilled in the art may better understand the present invention and practice it.

The following discloses many different embodiments or examples for implementing the subject technology described. In order to simplify the disclosure, a specific example of one or more permutations of the features is described below, but the present disclosure is not limited to the specific example, and the first feature described later in the specification may be connected to the second feature in a direct connection, or may include an embodiment forming an additional feature, and further, may include the use of one or more other intervening features to connect or combine the first feature and the second feature indirectly with each other so that the first feature and the second feature may not be directly connected.

Example 1

The structure of the embodiment is schematically shown in fig. 1: the screw rods of the ball screws are respectively fixed on two opposite sides of the display screen 3 on the display stand, the transmission nuts are in threaded connection with the screw rods, one ends of the screw rods are connected with the rotating shaft of the motor 6 through the shaft coupling, and the motor 6 realizes the rotation of the ball screws, so that the transmission nuts on the ball screws perform reciprocating linear motion. The inside one end that has connecting piece 4 of inlaying of drive nut on the ball, be provided with connecting plate 5 on the other end of connecting piece 4, set up brush head 14 on connecting plate 5, and brush head 14 and display screen seamless laminating.

As a simplest implementation, the control device may be a trigger switch, the motor 6 may be a dc motor, and the dc motor may be connected to a dc power supply through the trigger switch. When the trigger switch selects the double-pole toggle switch, the direct current motor is in an electrode opposite connection state when different gears of the double-pole toggle switch are connected through the wiring, so that forward rotation and reverse rotation control can be realized through one switch. Correspondingly, the screw rod can adopt a ball screw and can adopt a reciprocating screw rod, so that the motor 6 is prevented from heating and even burning off in the clamping state of the component. As a better implementation mode, the control device can comprise a microprocessor, the trigger switch is a button switch and is connected as shown in fig. 3, the motor 6 can adopt a stepping motor and is powered by a 12V energy storage battery, and 12V voltage is converted into 3.3V voltage by a voltage stabilizing chip LM1117-3.3 and then is powered by the microprocessor; the microprocessor is connected with the motor 6 through a driving motor circuit, the driving motor circuit is shown in fig. 2, a motor driving chip adopts an L298N chip, an M PWM end is an enabling signal end of the motor 6 output by the microprocessor, and a Port1 and a Port2 are control signal ends of the motor 6.

When the visitor triggers the trigger switch, the trigger switch sends a trigger signal to the microprocessor, the motor 6 starts to work, the motor 6 drives the ball screw to rotate, the transmission nut is driven to do linear motion, and the cleaning work of the brush head 14 on the whole display screen is realized. As shown in FIG. 3, the P terminal is connected to the IO pin port of the microprocessor, and when the visitor does not press the button S1, the P terminal is at high level, and when the visitor presses the button S1, the P terminal is at low level, so that the microprocessor can recognize the trigger signal through the level change and trigger the signal processing, and start to trigger or control the cleaning operation of the electric control screen cleaner.

The control device further comprises a limit switch, the connection mode of the limit switch is also shown in fig. 3, and the limit switch is similar to the trigger switch and only connected with different IO ports of the microprocessor. The limit switches are arranged at two ends of the screw rod, the limit trigger ends of the limit switches are arranged at two ends of a running path of the transmission nut or the electric control screen cleaner, and when the brush head 14 contacts the limit switches on one side of the display screen, the microprocessor judges the running position of the electric control screen cleaner and takes the running position as a trigger signal for reverse control and cleaning control. If the cleaning work is finished at the moment, the motor is controlled to stop working, so that the electric control screen cleaner is positioned on one side of the display screen, and after the visitor starts the switch again, the microprocessor controls the motor 6 to rotate reversely, and the cleaning work is started again.

In this embodiment, the brush head 14 is a sponge roller, the connecting plate 5 is connected with the fixed wheel disc 9 through the second fixing part 8, and the fixed wheel disc 9 is fixed with a sponge body 10, and a specific structure diagram is shown in fig. 4, wherein the width of the sponge roller is consistent with the width of the display screen. The cleaning personnel can regularly spray water on the sponge roller to keep the sponge roller moist, so that the cleaning effect of the sponge roller is best.

Example 2

This embodiment has added dust extraction on embodiment 1 'S basis, and controlling means has increased relay S1 and corresponding drive circuit, and microprocessor controls dust extraction work through control relay S1, and is corresponding with this, and multiplicable trigger switch' S that is connected with microprocessor quantity, trigger switch connect with figure 3 similar, guaranteed the thoroughness of dust extraction work in the clearance process on the one hand, and on the other hand has richened interactive unit, has increased the enjoyment. The dust collection device in the embodiment adopts a dust collector, and the specific structure is shown in figure 5: the flat suction nozzle 11 of the dust collector is arranged below the connecting plate 5, the width of the flat suction nozzle 11 is consistent with that of the display screen, the brush head 14 is adjacent to the flat suction nozzle 11, the throat 13 of the dust collector penetrates through the connecting plate 5 to be connected with the flat suction nozzle 11, the throat 13 is connected with the dust collection box 12 positioned above the connecting plate 5, the top of the dust collection box 12 is connected with the fan through a hose, a dust filter screen is arranged at the connecting position of the dust collection box 12 and the hose and used for blocking sucked dust in the dust collection box 12, the fan of the dust collector is fixed in the display table and driven by the motor U2, the microprocessor is connected with the motor U2 of the dust collector through a driving circuit, the specific driving circuit is shown in figure 6, after the control signal Vin of the microprocessor realizes the electric-optical-electric conversion through the optocoupler U1A, the electromagnetic influence of the output side on the main circuit is effectively isolated, the microprocessor is protected, and when, the control side switch is closed, so that an alternating current power supply in the relay control circuit supplies power to the motor U2, a fan of the dust collector works to suck dust on a display screen, and a transformer T2 can be added according to actual conditions to enable the voltage value of alternating current to reach the working voltage of the motor U2.

The limit switches in this embodiment are respectively disposed on two opposite sides of the display screen perpendicular to the guide rail. When the motor 6 starts to work and the flat suction nozzle 11 contacts the first limit switch on one side of the display screen, the microprocessor judges that the cleaning work is finished, and controls the motor to start to rotate reversely, so that the electric control screen cleaner returns to the initial position, namely the second limit switch, and stops working. The circuit connection relationship of the limit switch is the same as that of embodiment 1.

In this embodiment, the head 14 is a sponge.

In conclusion, the utility model utilizes the motor 6, the guide rail 1 and the electric control screen cleaner comprising the brush head 14, which can attract visitors or visitors to actively do cleaning interaction, and the display stand automatically performs the process of cleaning the display; by utilizing the trigger switch and the microprocessor, when a visitor operates the trigger switch to close/conduct the trigger switch and sends a trigger signal to the microprocessor, the microprocessor controls the electric control screen cleaner to perform cleaning operation, the visitor helps to complete cleaning and maintenance, and interactivity of the display stand is improved.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a multimedia display platform, is including being equipped with show stand and display screen (3) of leveling the mesa, and the display surface and the mesa parallel and level or parallel of display screen (3), its characterized in that:

guide rails (1) are arranged on the display tables on the two sides of the display screen (3); an electric control screen cleaner and a control device are also arranged on the display platform;

the electric control screen cleaner is connected with the guide rail (1) in a sliding manner and moves along the guide rail (1) under the triggering of the electric control screen cleaner, so that the cleaning working surface of the electric control screen cleaner is in contact with and cleans the display surface of the display screen (3); the control device is fixed on the display stand, is electrically connected with the electric control screen cleaner and is used for triggering and controlling the electric control screen cleaner to move along the guide rail.

2. A multimedia presentation station as claimed in claim 1, wherein: the guide rail (1) adopts a ball screw, the ball screw comprises a screw rod and a transmission nut, the screw rod is respectively fixed on two opposite sides of the display screen (3) on the display stand, and the transmission nut is in threaded connection with the screw rod.

3. A multimedia presentation station as claimed in claim 2, wherein: the electric control screen cleaner comprises a motor (6), a coupler (7) and a cleaning assembly, wherein a rotating shaft of the motor (6) is connected with a screw rod of a ball screw in a shaft mode through the coupler (7), and the cleaning assembly is fixed on a transmission nut of the ball screw.

4. A multimedia presentation station as claimed in claim 3, wherein: the cleaning assembly comprises a connecting piece (4), a connecting plate (5) and a brush head (14), one end of the connecting piece (4) is fixed on a transmission nut of the ball screw, the other end of the connecting piece (4) is connected with the connecting plate (5), the connecting plate (5) is fixed on the opposite side of the display screen (3) and the brush head (14), and a cleaning working face of the brush head (14) is in contact with a display face of the display screen (3).

5. The multimedia presentation table of claim 4, wherein: the cleaning assembly also comprises a dust suction device; and a dust suction device is further fixed on one surface of the connecting plate (5), and the working surface of the dust suction device is adjacent to the working surface of the brush head (14).

6. The multimedia presentation table of claim 5, wherein: the dust collection device is a dust collector, and the output of the control device is electrically connected with the dust collector so as to control the dust collector to work.