KR20120018387A

KR20120018387A - Boadr for studing

Info

Publication number: KR20120018387A
Application number: KR1020100081141A
Authority: KR
Inventors: 김금자
Original assignee: 김금자
Priority date: 2010-08-23
Filing date: 2010-08-23
Publication date: 2012-03-05
Also published as: KR101247141B1

Abstract

PURPOSE: A board for studying is provided to be easily operated by anyone, and to protect an image output device by including a cover, thereby minimizing malfunction. CONSTITUTION: A board for studying comprises a frame(10), a black board, an image output device(30), a screen(40), a control part, and a cover(60). The frame comprises a rail(13), an upper frame(11), a lower frame(12), a screen fixing part(14). The black board comprises a moving plate(21) and fixing plates. The image output device is fixed between the fixing plates. The screen comprises a base(41), and a display surface(42). A screen display image is transmitted from a projector arranged in ceiling. The controller transfers the display surface of the screen upwardly and downwardly. The cover opens and closes the front of the image output device. The cover prevents the transmission of vibration, dust, moisture and foreign materials from the outside to the image output device.

Description

Board board for learning {BOADR FOR STUDING}

The present invention relates to a board, which is installed in a school, lecture room, meeting room, etc. and is used for delivering various information and educational materials to students, audiences, and employees, and more specifically, a blackboard for writing such as a white board or a blackboard, and a television. Or a video output device for audiovisual education such as a monitor and a screen for an image or material output from a project, and a control unit for opening and closing the blackboard left and right and moving the screen up and down. It relates to a learning board board which is easy to use.

Conventional blackboards, which are generally used in classrooms, lecture rooms, seminar rooms, and conference rooms, have a problem that instructors, students, or audiences are injured due to dust caused by dust while the lecturers write and erase with chalk. The macafen and the whiteboard used to make the surface of the whiteboard turn black when used for a long time had a problem of inefficient use that is impossible to use.

In addition, in recent years, the transfer of contents is often used together with audiovisual learning using various materials instead of simply writing. For this purpose, an output device such as a television or a monitor is provided in each classroom or meeting room. It is installed on the ceiling of the classroom or on the left and right empty space walls of the blackboard or on a movable desk with wheels, and is used whenever it is needed.

However, the conventional output device is difficult to secure the installation space when installed on the wall of the classroom, it requires a lot of power to move it whenever necessary when equipped with a mobile desk, and the connection of power and audio-visual materials after moving There is a problem that it is cumbersome to use additional work such as connection.

The prior art proposed to solve this problem is Korean Patent Publication No. 10-2005-0000267 (January 3, 2005), in which the image screen is placed inside a frame on a blackboard structure such as a blackboard or a white board structure. Combining the configuration, the left and right moving blackboard to configure, the left and right moving blackboard is open, the reflection screen is exposed, when the closing blackboard is proposed a video screen embedded blackboard that becomes a whole blackboard.

However, the conventional technology has a problem that the user needs to open the left and right moving blackboard manually, so it takes a long time to prepare and organize the audiovisual education, and when the handwriting on the blackboard is simply provided with a video screen inside the blackboard. There was a problem that the image screen is damaged by the vibration transmitted from the blackboard.

The present invention is to solve the above problems, in the learning board consisting of a blackboard, an image output device, a screen, shorten the preparation and organization time of the audiovisual education using the image output device or screen, by the controller It is an object of the present invention to provide a learning board that is easy to use because the components can be set.

In addition, an object of the present invention is to provide a learning board that is provided with a cover that protects the front surface of an image output apparatus such as a television or a monitor to prevent the image output apparatus from being damaged by vibration generated when using a blackboard.

In order to achieve the above object, the present invention, the rail is continuously formed in the longitudinal direction, respectively, and consists of an upper frame and a lower frame symmetrically provided up and down so that the rails face each other, the upper frame is a front A board formed of a frame having a screen fixing protrusion protruding toward the board, a moving plate having wheels inserted into the rails of the upper frame and the lower frame, and a pair of fixing plates fixed to the frame, and an external power source; Is connected to the cable line, the image output device is fixedly disposed between the fixed plate of the blackboard, the base coupled to the screen fixing formed on the upper frame, and the projection surface wound or unrolled in the form of a roll (Roll) on the base, A screen for illuminating an image transmitted from a projector arranged on a ceiling, and the screen Vibration, dust, moisture and foreign matter from the outside by the control unit for moving the projection surface of the up and down, and the front and rear of the image output device disposed between the fixed plate while moving to the left and right, provided between the fixed plate of the blackboard It includes a cover for preventing the transfer to the image output device.

The control unit may include: a first gear connected to a drive motor, a drive shaft of the drive motor, in which the cover having a reflector is integrally rotated in a forward or reverse direction according to the operation of the drive motor, and the first gear; A second gear coupled to the chain and axially coupled to the rotational sphere of the base, a sensor for checking the rotational speed of the first gear, a drive motor according to an input signal of a user, and driven by an input signal of the sensor It includes a microcomputer to stop the drive motor.

The present invention made as described above is easy to use, anyone can easily operate the screen has the advantage of easy to prepare lessons or lectures, provided with a cover to protect the video output device vulnerable to dust, moisture, etc. Edo has the advantage of minimizing the risk of failure.

1 is a perspective view showing a learning board board according to the present invention.
Figure 2 is a front view showing a state using the image output device of the present invention.
3 is a front view showing a state of using the screen of the present invention.
4 is an exploded perspective view showing a control unit according to the present invention;

Hereinafter, with reference to the accompanying drawings to describe a preferred embodiment of the learning board board according to the present invention.

1 to 4, the board for learning 1 according to the present invention includes a frame 10, a blackboard 20, an image output device 30, a screen 40, and a controller ( 50) and a cover 60 for protecting the front surface of the image output device 30.

The frame 10 is composed of an upper frame 11 and a lower frame 12 each having a rail 13 continuously formed along a longitudinal direction, and are provided symmetrically in the upper and lower sides so that the rails 13 face each other. The upper frame 11 is further formed with a screen fixing portion 14 protruding toward the front.

The board 20 is a wide plate which is usually painted with dark paint, and is provided with moving wheels 23 which are inserted into the rails 13 of the upper frame 11 and the lower frame 12 to move. (21) and the frame 10 is composed of a fixed plate 22 fixedly coupled.

The fixing plate 22 is disposed on the left and right sides of the image output device 30 to be described later, and when used together with the moving plate 21 when the moving plate 21 is faced at the center, a wide writing space can be secured. It is.

At this time, the blackboard 20 may be made of a wood material, it may be formed of a metal material or porcelain material as needed.

The image output device 30 is connected to an external power source and a cable line, and is fixedly disposed between the fixed plates 22 of the blackboard 20, and includes a conventional television or computer monitor.

In this case, the image output device 30 is inserted into the rear wall 25 between the fixing plate 22, the cover 60 to be described later open or block the opening 26 of the rear wall 25 to the blackboard ( 20) Prevents the vibration, dust, moisture, and other foreign substances generated during use from flowing into the image output device 30.

The screen 40, the base 41 is coupled to the screen fixing portion 14 formed in the upper frame 11 of the frame 10 and the base 41 is coupled to the roll (Roll) or The pulley is composed of a projection surface 42 and is used to illuminate an image transmitted from a projector arranged on a ceiling or a table.

The base 41 is provided with a rotary ball 43 is coupled to the control unit 50 to be described later, as shown in Figure 2, the connection line 44 that can manually adjust the rotary ball 43 is further It may be included, by operating the rotary ball 43 by the control unit 50 can automatically wind or unwind the projection surface 42, by pulling the connecting line 44, if necessary, the rotary ball ( 43) can be manually operated to wind or unwind the projection surface (42).

The control unit 50 is connected to the drive motor 51, the drive shaft 52 of the drive motor 51 and the first gear 53 to rotate in the forward or reverse direction in accordance with the operation of the drive motor 51 and , The second gear 54 connected to the first gear 53 and the chain 55 and axially coupled to the rotary hole 43 of the base 41, and the rotation speed of the first gear 53. It comprises a sensor 56 for confirming, and the microcomputer 57 to operate the drive motor 51 in accordance with the input signal of the user, and to stop the drive motor 51 by the input signal of the sensor 56. .

The first gear 53 is provided with a cover 58 coupled with a reflector 59 reflecting the light emitted from the sensor 56. As the first gear 53 rotates, the reflector 59 The sensor 56 may recognize that the first gear 53 has rotated one time when the position coincides with the sensor 56, and may repeatedly check the rotation speed of the first gear 53. Will be.

When the value stored in advance in the microcomputer 57 is reached according to the signal input from the sensor 56, the driving motor 51 is stopped in the microcomputer 57, which causes the screen 40 to be wound or unwound. This will be stopped.

The cover 60 is provided between the fixed plates 22 of the blackboard 20, and moves to the left and right to open or close the front of the image output device 30 disposed between the fixed plates 22 from the outside. Vibration, dust, moisture and foreign matters are prevented from being transmitted to the image output device 30.

To this end, the cover 60 is provided to be movable on the fixing plate 22 of any one side of the fixing plate 22, the projection 61 is formed on the cover 60, grooves in the fixing plate 22 is coupled 24 is formed so that the projection 61 is inserted into the groove 24 to move.

Looking at the operating state of the present invention made as described above are as follows.

First, in order to use the image output device 30 while the pair of moving plates 21 are in contact with the center of the blackboard 20, the moving plates 21 are moved to the left and the right, respectively, and then the image By moving the cover 60 closing the front of the output device 30 is used to expose the image output device 30 toward the front,

In order to project image data or photographic material onto the screen 40 using a projector, a user operates a remote controller (not shown) to transmit a signal to the microcomputer 57 of the controller 50. The microcomputer 57 rotates the driving motor 51 forward to rotate the first gear 53 and the second gear 54 connected to the first gear 53 and the chain 55, and the second gear 54. ) Rotates the rotary ball 43 combined to release the projection surface 42 of the screen 40 downward to use the screen 40, wherein the rotation speed of the first gear (53) sensor 56 confirms and transmits to the microcomputer 57, and when an input value coinciding with the previously input control value is transmitted, the microcomputer 57 stops the driving motor 51 and stops the projection surface 42 from being released. Let's do it.

Next, when the user operates the remote controller to return the screen 40 to the home, the microcomputer 57 rotates the driving motor 51 in the reverse direction, and thus the first gear 53 and the second gear ( 54 is rotated in the reverse direction, the rotary sphere 43 coupled to the second gear 54 is rotated in the reverse direction to wind the projection surface 42, and check the number of revolutions of the first gear (53) When the projection surface 42 is completely wound, the driving motor 51 is stopped to complete the operation.

Although the learning board according to the present invention has been described above with reference to the accompanying drawings, the present invention is not limited to the above description and various modifications and changes can be made by those skilled in the art within the scope of the appended claims. Such modifications and variations are also to be interpreted as falling within the protection scope of the present invention.

1: Learning board
10: frame 11: upper frame 12: lower frame
13: rail 14: screen fixing
20: blackboard 21: moving plate 22: fixed plate
23: wheel 24: groove 25: rear wall
26 opening
30: video output device
40: screen 41: base 42: projection surface
43: rotating hole 44: connecting line
50: control unit 51: drive motor 52: drive shaft
53: first gear 54: second gear 55: chain
56 sensor 57 micom 58 cover
59: reflector
60: cover 61: projection

Claims

Rails 13 are continuously formed in the longitudinal direction, respectively, and the upper frame 11 and the lower frame 12 are provided symmetrically on the upper and lower sides so that the rails 13 face each other. ) And the frame 10 is formed with a screen fixing portion 14 protruding toward the front;
A pair of movable plates 21 and the frame 10 fixedly coupled to the upper and lower wheels 11 and the wheels 23 inserted and moved in the rails 13 of the lower frame 12, respectively, are provided above and below. A chalkboard 20 made of a fixed plate 22;
An image output device 30 connected to an external power source and a cable line and fixedly disposed between the fixing plates 22 of the blackboard 20;
The base 41 is coupled to the screen fixing portion 14 formed on the upper frame 11 and the projection surface 42 wound or unrolled in a roll form on the base 41, and is disposed on the ceiling A screen 40 for illuminating an image transmitted from a projector;
A controller (50) for moving the projection surface (42) of the screen (40) up and down;
Vibration, dust, moisture, and foreign matter from the outside by being provided between the fixing plates 22 of the blackboard 20 and moving to the left and right while opening or closing the front of the image output device 30 disposed between the fixing plates 22. Learning board comprising a cover (60) to prevent the transfer to the image output device (30).

The method of claim 1, wherein the controller 50,
Drive motor 51,
The first gear 53 is connected to the drive shaft 52 of the drive motor 51 is rotated in the forward or reverse direction according to the operation of the drive motor 51 and the cover 68 having the reflector 59 is integrally coupled. )Wow,
A second gear 54 connected to the first gear 53 and the chain 55 and axially coupled to the rotary hole 43 of the base 41;
A sensor 56 for checking the rotation speed of the first gear 53;
And a microcomputer 57 for operating the driving motor 51 according to an input signal of a user and stopping the driving motor 51 by the input signal of the sensor 56.