CN117153041A

CN117153041A - Propaganda device

Info

Publication number: CN117153041A
Application number: CN202311218301.7A
Authority: CN
Inventors: 林玲; 李牧; 李靖
Original assignee: Wuhan College
Current assignee: Wuhan College
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2023-12-01

Abstract

The application discloses a propaganda device which is suitable for propaganda by the general method and comprises a base, a machine body arranged at the upper end of the base, a display unit arranged at the upper end of the machine body, an input unit and a control unit arranged in the machine body, wherein the input unit is connected with the display unit; the display unit and the input unit are both in signal connection with the control unit; the input unit comprises a first key and a second key which are vertically arranged at the front end of the base, and a first contact, a second contact and a trigger mechanism which are arranged in the base; when the first key is pressed, the first contact can be pressed, and the first contact sends a signal to the control unit; when the second key is pressed, the second contact can be pressed, and the second contact sends a signal to the control unit. The application has simple operation, realizes non-contact input, can reduce the transmission of virus and bacteria, and meets the public health requirement.

Description

Propaganda device

Technical Field

The application relates to a propaganda device which can be applied to the propaganda of the Pu method.

Background

In order to raise legal awareness of the masses, propaganda of legal knowledge is indispensable. At present, propaganda devices are usually arranged in specific public places such as communities, campuses and the like to conduct common law propaganda. The common propaganda device has two types, and the first type is traditional publicity column, carries out the normal law propaganda through the mode of pasting normal law propaganda poster in the show area of publicity column. The second type is to play the common law video through the display screen, and the second type propaganda device can obviously attract the masses, so that a better common law education effect can be achieved.

The second type propaganda device can see the legal knowledge popularization propaganda device of Chinese patent publication No. CN210403138U, and it includes propaganda display screen, voice player and controller, installs singlechip, memory card and battery in the controller, and the surface mounting of controller has directory display screen and directory display screen adoption touch-control screen. Storing basic legal knowledge and real cases through a memory card, and circularly playing through a propaganda display screen and a voice player; the catalog display screen is used for displaying the catalogues of legal basic knowledge and crime cases stored in the memory card, and a user can search and touch the screen to switch the display content of the propaganda display screen according to the catalogues so as to watch the content of interest. Further, a wireless communication module is also installed in the controller, and the controller is in signal connection with the control terminal through the wireless communication module, so that the controller can be remotely controlled through the control terminal. But such propaganda device generally has the drawback: propaganda device often places in personnel complicated public occasion, and the masses select the content of interest of oneself through the touch screen, easily lead to spreading of virus etc..

Disclosure of Invention

The application aims to provide a propaganda device for propaganda by the census method, which adopts a non-contact mode to select and play census video and can reduce the transmission of viruses and the like.

The technical scheme of the application is as follows:

the propaganda device comprises a base, a machine body arranged at the upper end of the base, a display unit arranged at the upper end of the machine body, an input unit and a control unit arranged in the machine body; the display unit and the input unit are both in signal connection with the control unit;

the input unit comprises a first key and a second key which are vertically arranged at the front end of the base, and a first contact, a second contact and a trigger mechanism which are arranged in the base; the first contact and the second contact are respectively arranged at the bottom and the top in the base; wherein:

the triggering mechanism comprises a fixing piece, a first pressing piece and a second pressing piece, wherein the first pressing piece and the second pressing piece are respectively arranged on two sides of the fixing piece, the fixing piece is fixed in the base, and the outer ends of the first pressing piece and the second pressing piece are respectively positioned above the first contact and below the second contact; the upper surface of the first pressing piece is provided with a first groove, the first groove takes the front end edge of the first pressing piece as the edge, and the bottom surface of the first groove is inclined upwards; the lower surface of the second pressing piece is provided with a second groove, the second groove takes the front end edge of the second pressing piece as the edge, and the top surface of the second groove is inclined downwards;

the first key end is connected with a first connecting rod, and the first connecting rod end is provided with a first sheet-shaped end matched with the first groove and aligned with the edge of the first groove; the tail end of the second key is connected with a second connecting rod, and a second sheet-shaped end matched with the second groove and aligned with the edge of the second groove is arranged at the tail end of the second connecting rod;

when the first key is pressed, the first connecting rod moves backwards to drive the first sheet-shaped end head to be inserted from the edge of the first groove, so that the first pressing sheet is pressed down, the first contact is pressed, and the first contact sends a signal to the control unit;

when the second key is pressed, the second connecting rod moves backwards to drive the second sheet-shaped end to be inserted from the edge of the second groove, so that the second pressing sheet is lifted, the second contact is pressed, and the second contact sends a signal to the control unit.

Further, when the control unit receives a signal sent by the first contact, the cursor on the display unit is controlled to move to the next icon; and when the control unit receives the signal sent by the second contact, controlling to play the Prime video corresponding to the icon where the cursor is currently positioned.

In some embodiments, the first key and the second key are vertically arranged on the right side of the front end of the base.

In some embodiments, the first contact is a microswitch or a sensor blade.

In some embodiments, the second contact is a microswitch or a sensor blade.

In some embodiments, a lower end surface of the outer end of the first press sheet is provided with a first trigger block, and an upper end surface of the outer end of the second press sheet is provided with a second trigger block.

In some embodiments, the trigger mechanism further comprises a first action spring body and a second action spring body, wherein the bottom end and the top end of the first action spring piece are respectively connected with the bottom of the base and the lower end of the first pressing piece; the bottom and the top of second action spring piece are connected respectively second preforming upper end and the top of base.

In some embodiments, the fixing member is a vertical shaft, and the vertical shaft is fixed in the base; the vertical shaft is sleeved with a sleeve, and the first pressing piece and the second pressing piece are respectively connected to two sides of the sleeve; a plurality of spring bodies which are uniformly distributed are connected between the sleeve and the vertical shaft.

In some embodiments, the first and second preforms and the sleeve are integrally formed.

In some embodiments, the system further comprises a wireless communication module for signal connection with a remote control terminal.

One possible method of using the propaganda device of the present application is: when a user comes, a plurality of icons are displayed on the display unit, and different icons correspond to different normal videos; the user presses the first key by foot, presses once, and the cursor moves to the next icon; when the cursor moves to the interested icon, the user presses the second key again by the foot, and then the video corresponding to the icon where the cursor is located is played. Therefore, the user can select and play the interested normal video only by using feet, and compared with the conventional propaganda device adopting input tools such as a touch screen, a keyboard, a mouse and the like, the application realizes non-contact input, can reduce the propagation of virus, bacteria and the like, and meets the public health requirements. Considering that the crowd watching the Pu' er video is mainly children and old people, the device is simple to operate, and the children and the old people are easy to operate.

Drawings

FIG. 1 is a schematic view of an embodiment of a propaganda device;

FIG. 2 is a front view of the trigger mechanism in an embodiment;

FIG. 3 is a side cross-sectional view of a first preform in an embodiment;

FIG. 4 is a side cross-sectional view of a second preform in an embodiment;

FIG. 5 is a schematic view showing the positional relationship between a first presser and a first link in the embodiment;

FIG. 6 is a side view of the trigger mechanism of the embodiment;

fig. 7 is a top view of the trigger mechanism in an embodiment.

In the figure, 100-base, 200-organism, 300-display element, 410-first button, 411-first connecting rod, 411 a-first sheet end, 420-second button, 430-first contact, 440-second contact, 451-mounting, 451 a-vertical axis, 451 b-sleeve, 451 c-spring body, 452-first preforming, 452 a-first groove, 452 b-first trigger block, 452 c-first action spring, 453-second preforming, 453 a-second groove, 453 b-second trigger block, 453 c-second action spring.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Examples

The following describes the specific implementation of this embodiment in detail with reference to fig. 1 to 6. It should be noted that the drawings in this embodiment are only for assisting in showing the shape, structure, and position and connection relationship between the components, and are not limited in size.

The propaganda device mainly comprises a base 100, a machine body 200, a display unit 300, an input unit and a control unit; the base 100 is used to support the body 200 and to mount the input unit, and the body 200 is used to support the display unit 300 and to mount the control unit. Specifically, the body 200 is fixedly mounted at the upper end of the base 100, the display unit 300 is mounted at the upper end of the body 200, the control unit is disposed inside the body 200, and the input unit is disposed outside and inside the base 100. The display unit 300 and the input unit are both in signal connection with the control unit. The control unit further comprises a controller, a memory and a power supply module, wherein the power supply module is used for providing electric energy for the control unit, the normal video is stored in the memory, and the controller selects and controls playing of the normal video according to the received instruction.

In order to avoid the spread of bacterial virus and the like caused by contact, the application designs an input unit controlled by feet, and the input unit is arranged at the base 100 for facilitating the control of the feet. The user sends a cursor control instruction and a play instruction to the control unit through the input unit, and the control unit controls the cursor to move and plays the normal video selected by the cursor according to the received cursor control instruction.

The input unit in this embodiment further includes a first button 410 with an end connected to the first link 411, a second button 420 with an end connected to the second link, a first contact 430, a second contact 440, and a triggering mechanism. The first key 410 and the second key 420 are vertically arranged at the front end of the base 100, the end faces of the first key 410 and the second key 420 face forward, and the first connecting rod 411 and the second connecting rod are arranged in the base 100.

Referring to fig. 2, the first contact 430, the second contact 440 and the triggering mechanism are uniformly arranged in the base 100, specifically, the first contact 430 is arranged at the bottom in the base, the second contact 440 is arranged at the top in the base, the first contact 430 and the second contact 440 can adopt a micro switch or an induction piece, and when the first contact 430 and the second contact 440 are touched, a signal is sent to the control unit.

The triggering mechanism is used for pressing the first contact 430 and the second contact 440, and the triggering mechanism further comprises a fixing piece 451, and a first pressing piece 452 and a second pressing piece 453 respectively arranged on two sides of the fixing piece 451, and the triggering mechanism is fixedly installed in the base 100 through the fixing piece 451. The outer end of the first pressing piece 452 is located above the first contact 430, and when the first pressing piece 452 is pressed down, the outer end of the first pressing piece touches the first contact 430; the outer end of the second pressing piece 453 is located below the second contact 440, and when the second pressing piece 453 is lifted up, the outer end thereof presses the second contact 440. Preferably, a first trigger block 452b is disposed on a lower end surface of an outer end of the first pressing piece 452, and a second trigger block 453b is disposed on an upper end surface of an outer end of the second pressing piece 453.

Referring to fig. 2 to 4, a first groove 452a is provided on the upper surface of the first presser 452, the first groove 452a is inclined upward with the front end edge of the first presser 452 as an edge and the bottom surface, so-called inclined upward means inclined upward in a direction from the front end to the rear end, the shape of the first groove 452a is specifically referred to fig. 3, and fig. 3 is a left side sectional view of the first presser 452. The lower surface of the second pressing piece 453 is provided with a second groove 453a, the second groove 453a is formed by taking the front end edge of the second pressing piece 453 as an edge, and the bottom surface of the second groove 453a is inclined downward, wherein the inclined downward refers to the inclined downward along the direction from the front end to the rear end, the shape of the second groove 453a can be seen in fig. 4, and fig. 4 is a right side sectional view of the second pressing piece 453. In the present application, "front" refers to a direction toward a user; by "rear" is meant a direction away from the user.

In the present application, a first link 411 disposed at the end of a first key 410 applies a downward pressure to a first pressing piece 452, and a second link disposed at the end of a second key 420 applies an upward lifting force to a second pressing piece 453. Specifically, the first link 411 has a first tab 411a at its end that mates with the first slot 452a and a second tab at its end that mates with the second slot 453a, with the edge of the first slot 452a aligned with the first tab 411a and the edge of the second slot 453a aligned with the second tab. Referring to fig. 5, a schematic diagram of the positional relationship between the first presser 452 and the first link 411 is shown, which is a left view.

In this embodiment, the first key 410 and the second key 420 are rebound keys, which are pressed when the finger is pressed, and reset when the finger is not pressed. When the first key 410 is pressed, the first link 411 moves backward to drive the first sheet-like terminal 411a to be inserted from the edge of the first slot 452a, and as the bottom surface of the first slot 452a is inclined upward, downward pressure can be applied to the first pressing piece 452 as the first sheet-like terminal 411a moves backward, so that the first pressing piece 452 touches the first contact 430; releasing the first button 410, the first link 411, and the first tab 452 are all home. When the second key 420 is pressed, the second connecting rod 412 moves backward, driving the second sheet-shaped end to insert from the edge of the second groove 453a, and as the top surface of the second groove 453a is inclined downward, the second pressing piece 453 is pushed to lift up along with the backward movement of the second sheet-shaped end, so that the second pressing piece 453 contacts the second contact 440; the second key 420 is released, and the second key 420, the second link 412 and the second pressing piece 453 are all reset.

Preferably, in order to facilitate the resetting of the first pressing piece 452 and the second pressing piece 453, the triggering mechanism further comprises a first action spring 452c and a second action spring 453c, wherein the top end of the first action spring 452c is connected with the first pressing piece 452, and the bottom end of the first action spring 452c is fixed with the bottom of the base 100; the bottom end of the second actuating spring 453c is connected with the second pressing piece 453, and the top end of the second actuating spring 453c is fixed on the top of the base 100. The number of the first and second acting springs 452c and 453c may be plural.

The embodiment also provides a specific structure of the triggering mechanism, referring to fig. 6-7, the fixing member 451 is a vertical shaft 451a, a sleeve 451b is sleeved outside the vertical shaft 451a, two sides of the sleeve 451b are respectively connected with the first pressing piece 452 and the second pressing piece 453, and the first pressing piece 452, the second pressing piece 453 and the sleeve 451b can be integrally formed; a plurality of spring bodies 451c are uniformly distributed between the sleeve 451b and the vertical shaft 451a, namely, one end of each spring body 451c is connected with the inner wall of the sleeve 451b, and the other end is connected with the outer wall of the vertical shaft 451 a; the use of the spring body 451c to connect the vertical shaft 451a and the sleeve 451b makes it easier to depress and lift the first and second pressing pieces 452 and 453.

When the first contact 430 and the second contact 440 are touched, different signals are sent to the control unit, and the control unit selects to execute corresponding instructions according to the received signals. In this embodiment, the signal triggered by the first contact 430 is used as a cursor movement command, when the signal sent by the first contact 430 is received, the control unit controls the cursor to move to the next icon, and the user can control the cursor to move by pressing the first key 410; and taking the signal sent by the second contact 440 as a playing instruction, and when the signal sent by the second contact 440 is received, controlling the playing of the normal video corresponding to the icon where the cursor is currently positioned by the control unit.

Considering that most people have more flexibility in controlling the right foot, the first key 410 and the second key 420 are preferably disposed on the right side of the base 100, and the user can press the first key 410 and the second key 420 through the right foot.

In this embodiment, the input unit is used for the public to use, and the user selects and plays the interesting normal video through foot operation. The administrator may still use conventional input means such as mouse or touch screen input; and may even be controlled by a remote control terminal. Therefore, the embodiment further includes a wireless communication module, the control unit is connected with the remote control terminal through the wireless communication module, the wireless communication module can adopt a 4G communication module or a GPRS communication module, the remote control terminal can be a computer or a smart phone, an administrator can control the opening and closing of propaganda equipment through the remote control terminal, control the playing content of the display unit, and transmit and update the normal video in the memory.

Note that the above is only a preferred embodiment of the present application and the technical principle applied. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, while the application has been described in connection with the above embodiments, the application is not limited to the above embodiments, but may include many other equivalent embodiments without departing from the spirit of the application, which fall within the scope of the application.

Claims

1. A propaganda device, characterized by:

the device comprises a base, a machine body arranged at the upper end of the base, a display unit arranged at the upper end of the machine body, an input unit and a control unit arranged in the machine body; the display unit and the input unit are both in signal connection with the control unit;

2. The promotional device according to claim 1, comprising:

when the control unit receives a signal sent by the first contact, the cursor on the display unit is controlled to move to the next icon; and when the control unit receives the signal sent by the second contact, controlling to play the Prime video corresponding to the icon where the cursor is currently positioned.

3. The promotional device of claim 1, wherein:

the first key and the second key are vertically arranged on the right side of the front end of the base.

4. The promotional device of claim 1, wherein:

the first contact adopts a micro switch or an induction piece.

5. The promotional device of claim 1, wherein:

and the second contact adopts a micro switch or an induction piece.

6. The promotional device of claim 1, wherein:

the lower end face of the outer end of the first pressing sheet is provided with a first trigger block, and the upper end face of the outer end of the second pressing sheet is provided with a second trigger block.

7. The promotional device of claim 1, wherein:

the trigger mechanism further comprises a first action spring body and a second action spring body, wherein the bottom end and the top end of the first action spring piece are respectively connected with the bottom of the base and the lower end of the first pressing piece; the bottom and the top of the second action spring piece are respectively connected with the upper end of the second pressing piece and the top of the base.

8. The promotional device of claim 1, wherein:

the fixing piece is a vertical shaft, and the vertical shaft is fixed in the base; the sleeve is sleeved outside the vertical shaft, and the first pressing piece and the second pressing piece are respectively connected to two sides of the sleeve; a plurality of spring bodies which are uniformly distributed are connected between the sleeve and the vertical shaft.

9. The promotional device of claim 8, wherein:

the first pressing piece, the second pressing piece and the sleeve are integrally formed.

10. The promotional device of claim 1, wherein:

the wireless communication module is used for being in signal connection with a remote control terminal.