CN107731030A - A kind of multimedia function integrated intelligence interacts blackboard - Google Patents

Abstract

The invention discloses an intelligent interactive blackboard with integrated multimedia functions, which comprises a main board body, a display screen arranged on the surface of the main board body, an internal computer arranged in the main board body and used for playing multimedia files on the display screen, And a multimedia signal acquisition module arranged in the main board body for receiving signals sent by external electronic devices through wireless communication to make the display screen output preset content signals, and the multimedia signal acquisition module is connected with the internal computer signal connection. In this way, the present invention uses the central control function of the multimedia signal acquisition module to receive signals from external electronic devices through wireless communication, which can realize the use requirements of all multimedia functions in the multimedia classroom, without using too many cables, and can reduce the number of multimedia classrooms as much as possible. The number and complexity of wiring within the system reduce the wiring cycle and cost, simplify user operations, and improve teaching effectiveness and efficiency.

Description

An intelligent interactive blackboard with integrated multimedia functions

technical field

The invention relates to the technical field of electronic appliance control, in particular to an intelligent interactive blackboard with integrated multimedia functions.

Background technique

With the development of China's education, more and more teaching equipment has been put into use.

The blackboard is the most widely used and traditional important teaching equipment in the classroom. Teachers can erase and write on the blackboard. However, teachers can only display text or simple graphics on the blackboard. For some courses that are abstract and difficult to understand or involve spatial structures, they often need to watch video files to have an intuitive understanding of the courses. Aiming at this, the multimedia classroom emerges as the times require. Multimedia classrooms are composed of multimedia computers, LCD projectors, digital video display stands, central control systems, projection screens, audio equipment and other modern teaching equipment. When teaching in multimedia classrooms, teachers can operate computers and physical display stands, etc. The equipment can freely use modern teaching media such as pictures, characters, projections, audio recordings, and video recordings.

In the multimedia classroom, the smart blackboard is the core product. At present, the smart blackboards on the market often add a layer of AG glass to the traditional touch all-in-one machine, and then equip black glass sub-boards on both sides of the AG glass. When the touch all-in-one machine is turned off, the AG glass is the same as the real glass blackboard, which retains the teacher’s habit of writing with chalk on the full screen. When the touch all-in-one machine is turned on, the touch screen can be used for interactive touch use in the classroom. Play, display and operate multimedia files at the same time.

However, the smart blackboard in the prior art does not have various functions of a multimedia classroom, and in the process of installation, construction and use of the smart blackboard, it needs to be connected with other matching electronic devices through various cables, such as network cables, Sound signal lines, video signal lines, etc., which require wiring design in the classroom, when using different electronic devices to connect cables, this will inevitably lead to long wiring cycles, high costs, and various types of cables for on-site use , cable entanglement, cumbersome operation and other problems, resulting in frequent teaching failures and low teaching efficiency.

Therefore, how to reduce the number and complexity of wiring in the multimedia classroom as much as possible, reduce the wiring cycle and cost, simplify operation, improve the reliability and stability of the system, and improve the teaching effect and teaching efficiency are technical problems to be solved urgently by those skilled in the art. .

Contents of the invention

The purpose of the present invention is to provide an intelligent interactive blackboard with integrated multimedia functions, which can reduce the number and complexity of wiring in the multimedia classroom as much as possible, reduce the wiring cycle and cost, and improve system compatibility and Stability, avoiding teaching accidents, simplifying user operations, and improving teaching effects and efficiency.

In order to solve the above-mentioned technical problems, the present invention provides an intelligent interactive blackboard with integrated multimedia functions, which includes a main board body, a display screen arranged on the surface of the main board body, and a display screen arranged in the main board body for playing on the display screen. An internal computer for multimedia files, and a multimedia signal acquisition module installed in the main board for receiving signals sent by external electronic devices through wireless communication to make the display screen output preset content signals, and the multimedia signal acquisition module The module is connected with the internal computer signal.

Preferably, the display screen is specifically a touch screen, and each function option displayed on the display screen corresponds to each execution operation of the internal computer.

Preferably, the side of the main body is provided with a standard socket area for connecting with external electronic equipment, and the internal circuit of the standard socket area is connected with the internal computer.

Preferably, the standard socket area includes several video signal interfaces, audio signal interfaces and/or data interfaces.

Preferably, the standard socket area specifically includes HDMI, Audio in, USB, TPUSB and/or WLAN sockets.

Preferably, the bottom edge of the main body is provided with a function button area for adjusting the audio-visual properties of the internal computer when playing multimedia files.

Preferably, the function button area specifically includes a volume control knob for adjusting the volume of multimedia files played by the internal computer, a brightness adjustment knob for adjusting the brightness of the display screen, and a button for controlling the display screen to turn on and off. switch button.

Preferably, the multimedia signal acquisition module is provided with a WIFI module and a wireless screen projection module for receiving signals sent by external electronic devices.

Preferably, the top of the main body is provided with a camera device for recording and broadcasting video, and the camera device is connected to the internal computer signal.

Preferably, the two sides of the main body are provided with a receiver for receiving the sound signal sent by the microphone, and a receiver connected to the receiver for amplifying and outputting the received sound signal according to a preset ratio. amplifier.

The intelligent interactive blackboard with integrated multimedia functions (hereinafter referred to as "intelligent blackboard") provided by the present invention mainly includes a main board body, a display screen, an internal computer and a multimedia signal acquisition module. Among them, the main body is the main structure of the smart blackboard, which is mainly used to install and carry other components. The display screen is arranged on the surface of the main body, and the internal computer is arranged in the main body and connected with the display screen for signals. The internal computer is mainly used to play multimedia files (including video files, audio files or data files, etc.), and the playback content is displayed through the display screen in time, and the display screen has a built-in audio player, which can generate sound at the same time. The multimedia signal acquisition module is set in the main board and connected to the internal computer signal. It is mainly used to receive the signal sent by the external electronic equipment through wireless communication, and send it to the internal computer for corresponding processing and output. The sent signal allows the display to output preset content, including sound, video, and files. In this way, the multimedia function integrated intelligent interactive blackboard provided by the present invention can receive signals from external electronic devices through wireless communication through the multimedia signal acquisition module, and at the same time, through the processing of the internal computer, can output the multimedia content of the received signals through the display screen, Integrate various multimedia functions on the multimedia signal acquisition module to meet the multimedia function requirements of the multimedia classroom, and the communication between the multimedia signal acquisition module and external electronic equipment is mainly done wirelessly, so there is no need to use too many wires Cables can minimize the number and complexity of wiring in multimedia classrooms, reduce wiring cycles and costs, simplify operations, improve teaching effects and efficiency, improve system compatibility and stability, avoid teaching accidents, and simplify user operations.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is a schematic front view of the overall structure of a specific embodiment provided by the present invention;

Fig. 2 is a schematic back view of the overall structure of a specific embodiment provided by the present invention;

FIG. 3 is a schematic structural diagram of a circuit module in a specific embodiment provided by the present invention;

Fig. 4 is a schematic structural diagram of a side cover plate in a specific embodiment provided by the present invention.

Fig. 5 is a schematic diagram of connection of functional partitions in a specific embodiment provided by the present invention.

Wherein, among Fig. 1-Fig. 4:

Main board body—1, display screen—2, internal computer—3, multimedia signal acquisition module—4, function button area—5, camera equipment—6, receiver—7, power amplifier—8, standard socket area—9, sub board Body—10, side cover—11, screen touch switch—12, storage slot—13, card swiping sensing area—14, anti-noise microphone—15.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is a schematic front view of the overall structure of a specific embodiment provided by the present invention; Fig. 2 is a schematic rear view of the overall structure of a specific embodiment provided by the present invention; Fig. 3 is a schematic structural diagram of a circuit module in a specific embodiment provided by the present invention.

In a specific embodiment provided by the present invention, the intelligent interactive blackboard with integrated multimedia functions mainly includes a main board body 1 , a display screen 2 , an internal computer 3 and a multimedia signal acquisition module 4 .

Wherein, the main board body 1 is the main structure of the smart blackboard, and is mainly used for installing and carrying other components. Generally, the main body 1 can be in the shape of a rectangular hollow thin plate, and of course it can also be in a circular shape or other shapes. Considering the lightweight design and heat dissipation requirements of the main board body 1 , preferably, the main board body 1 can be made of aluminum alloy.

The display screen 2 is arranged on the surface of the main board body 1 and is mainly used for displaying output multimedia files, such as video files, audio files or data files. Of course, in order to output audio files smoothly, the display screen 2 can be built with an audio player. Considering that the display screen 2 occupies a relatively large area on the surface of the main board body 1, the display screen 2 can be arranged in the middle of the main board body 1, and the width of the display screen 2 can account for 80% or all of the width of the main board body 1. of.

The internal computer 3 is set inside the main board body 1, specifically an internal OPS computer, etc., and can be used with an array microphone, mainly used to play multimedia files (including video files, audio files or data files, etc.), and output through the display screen 2 . Of course, the internal computer 3 can also be used to control and adjust the attributes of multimedia files, etc.

The multimedia signal acquisition module 4 is arranged in the main board body 1, and is connected with the internal computer 3 signal, and is mainly used to receive the signal sent by the external electronic equipment through wireless communication, and send it to the internal computer 3 for corresponding processing and output. The signal sent by the external electronic device can make the display screen 2 output preset content, including sound, video and files.

In this way, the intelligent interactive blackboard with integrated multimedia functions provided by this embodiment can receive signals from external electronic devices through the wireless communication mode through the multimedia signal acquisition module 4, and at the same time, through the processing of the internal computer 3, the received signals can be output through the display screen 2 Various multimedia functions are integrated on the multimedia signal acquisition module 4, so as to realize the use requirements of the multimedia functions of the multimedia classroom, and the communication between the multimedia signal acquisition module 4 and the external electronic equipment is mainly completed by wireless, so Without using too many cables, the number and complexity of wiring in the multimedia classroom can be reduced as much as possible, the wiring cycle and cost can be reduced, the operation can be simplified, and the teaching effect and teaching efficiency can be improved.

As shown in FIG. 5 , FIG. 5 is a schematic diagram of connection of functional partitions in a specific implementation manner provided by the present invention.

The multimedia function integrated intelligent interactive blackboard in this embodiment mainly includes four major modules, which are respectively a multimedia function module, an interface module, a control module and a peripheral module, each of which includes several components and/or several secondary modules. module.

In a preferred embodiment of the display screen 2, the display screen 2 may specifically be a touch screen. And after the touch screen is lit, it can perform various operations corresponding to the internal computer 3 like a PAD touch screen. In this way, the user can trigger various function options on the display screen 2 by touching, clicking, etc., such as clicking " When playing", the internal computer 3 can be made to play the currently selected multimedia file. The display screen 2 is provided with a screen multi-touch module, which can be used to receive screen switch signals or screen brightness adjustment signals, so as to facilitate the control of the display screen 2 .

In addition, considering that some older electronic devices can only be connected to the smart blackboard by wire, a standard socket area is provided on the side of the main board body 1 in this embodiment. The standard socket area is mainly used for connecting with external electronic equipment, and the internal circuit of the standard socket area is connected with the internal computer 3 . In this way, some electronic devices can be connected to the internal computer 3 after being inserted into the standard socket area through cables. Specifically, the standard socket area may include several video signal interfaces, audio signal interfaces or data interfaces. In this way, electronic devices can transmit video files, audio files or data files to the smart blackboard in a wired manner through the standard socket area when necessary. Here, preferably, the standard socket area mainly includes HDMI, USB2.0, USB3.0, Audioin, WLAN socket, TPUSB, VGA and other sockets.

Furthermore, considering the different actual use scenarios, the audio-visual properties of the smart blackboard when playing multimedia files are also different. In view of this, in this embodiment, a function button area 5 is set on the bottom edge of the main board body 1. Specifically, the function button area 5 is mainly used to adjust the attributes of the internal computer 3 when playing multimedia files, generally including its screen brightness and volume. Control, etc., of course, can also be used to adjust color, display size, image rotation and other functions. Here preferably, the function button area 5 mainly includes a volume control knob for adjusting the volume of the multimedia file playing, a brightness adjustment knob for adjusting the brightness of the display screen 2, and a screen touch screen for controlling the brightness of the display screen 2. control switch 12. When the screen touch switch 12 is triggered, the display screen 2 can be normally lit, and multimedia files can be played; chalk writing etc.

In addition, in order to facilitate wireless communication between the multimedia signal acquisition module 4 and external electronic devices, a WIFI module and a wireless screen projection module are provided in the multimedia signal acquisition module 4 in this embodiment. In this way, the multimedia signal acquisition module 4 can establish wireless communication with external electronic devices through the above communication module. Wherein, the WIFI network environment can be established centering on the multimedia signal acquisition module 4 through the WIFI module, and external electronic devices can be in the same local area network as the multimedia signal acquisition module 4 by connecting the WIFI network environment. For example, the teacher can connect his mobile phone and other communication equipment with the multimedia signal acquisition module 4 to the same WIFI network, and then can project the screen of the mobile phone and other communication equipment onto the display screen 2 .

Not only that, considering that there is a need for recording and broadcasting video or distance education in the teaching process, in view of this, the present embodiment is provided with an imaging device 6 on the top of the main board body 1, and the imaging device 6 is connected to the multimedia signal acquisition board 4 by signal . With this setting, when the teacher is teaching, the smart blackboard can automatically turn on the camera device 6 to record or photograph the teaching situation, and switch the recorded or photographed images to the internal computer 3 for picture-in-picture typesetting and broadcasting, and store them in the multimedia In the acquisition board 5, it is displayed through an external IPAD director software. At the same time, when the teacher and the students are conducting distance teaching, the camera device 6 can capture the face of the teacher or the students to simulate the scene of face-to-face teaching. In addition, the camera device 6 can also be used for conference calls and the like. Specifically, the camera device 6 may include a built-in camera, a first external camera, a second external camera, and the like.

Further, considering that when the scale of the classroom or training classroom is large and there are many teaching personnel at the same time, in order to ensure that the students can have a clearer sense of hearing when the teacher is teaching at a position far away from the podium, this implementation For example, receivers 7 are arranged on both sides of the main board body 1, and a power amplifier 8 connected to the receiver 7 is added in the main board body 1 at the same time. Specifically, the receiver 7 is mainly used to receive the sound signal sent by the microphone. Of course, the microphone used in conjunction with the smart blackboard is generally a wireless microphone, and the sound signal is transmitted to the receiver 7 through wireless transmission. After receiving the sound signal, it can be optimized and filtered first, and then sent to the power amplifier 8 . After the power amplifier 8 receives the sound signal sent by the receiver 7, it can amplify and output it according to a preset ratio, so as to increase the sound amplitude and ensure that students who are geographically close or far away can obtain a clear sense of hearing. Moreover, the microphone can not only be wirelessly connected to the receiver 7 for signals, but also can realize sound input through the anti-noise microphone 15 installed at the bottom of the main board 1, which can be selected according to the actual situation.

Further, the power amplifier 8 can also be used with a speaker, and can be used with a sound board and a wireless speech receiving module to realize the user's wireless speech function in a certain scene. In order to facilitate the viewing of audiences off the field, a wireless screen projection module is added in this embodiment, used in conjunction with a router, to project multimedia information to be displayed onto the screen through wireless communication.

In addition, in this embodiment, sub-board bodies 10 are added on both sides of the main body 1 . Specifically, the sub-boards 10 on both sides are detachably connected to the main main body 1 in the middle. A recessed snap-in slot is provided on the side, so that the snap-in block and the snap-in slot can be snapped together by the relative sliding between the main board body 1 and the sub-board body 10, so that the main board body 1 can be realized simply and conveniently. Installation and disassembly with the sub-board body 10. When used as a teaching blackboard, the auxiliary boards 10 on both sides can be spliced to the main board 1 to increase the writing area. When used as a conference blackboard, the sub-boards 10 on both sides can be disassembled from the main body 1 for easy movement and turning. At the same time, when the main body 1 and the sub-board body 10 are disassembled, the clamping blocks on both sides of the main body 1 can be wrapped by the side cover 11 to avoid protruding damage. As shown in FIG. 4 , FIG. 4 is a schematic structural diagram of a side cover plate in a specific embodiment provided by the present invention.

Furthermore, in order to facilitate the user to store sundries that need to be used during the use of the blackboard and avoid loss, storage slots 13 can also be provided on the auxiliary board bodies 10 on both sides in this embodiment.

In addition, considering that when the intelligent interactive blackboard is installed in classrooms, offices and other environments with high traffic density, in order to avoid false start and misoperation of the intelligent interactive blackboard by non-designated users, this embodiment adds a card swiping sensor at the bottom of the main board body 1. Area 14, the internal circuit of the card swiping sensing area 14 is connected to the circuit of the main power supply module, which can be used to control the on-off of its power supply circuit. Only when the designated user swipes the card, such as NFC card, can the main power supply module be turned on for power supply.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. a kind of multimedia function integrated intelligence interacts blackboard, it is characterised in that including mainboard body (1), is arranged at the master Display screen (2) on plate body (1) surface, it is arranged in the mainboard body (1) and for playing more matchmakers on the display screen (2) The internal computer (3) of body file, and be arranged in the mainboard body (1), for being received by wireless communication mode from outer The multimedia signal acquisition module (4) for making the display screen (2) output preset content signal transmitted by boundary's electronic equipment, and institute Multimedia signal acquisition module (4) is stated to be connected with the internal computer (3) signal.

2. multimedia function integrated intelligence according to claim 1 interacts blackboard, it is characterised in that the display screen (2) it is specially touch-screen, and each bar function choosing-item shown on the display screen (2) corresponds to each of the internal computer (3) Item performs operation.

3. multimedia function integrated intelligence according to claim 2 interacts blackboard, it is characterised in that the mainboard body (1) side is provided with and is used for the standard socket area (9) being connected with external electronic device, the standard socket area (9) it is interior Portion's circuit is connected with the internal computer (3).

4. multimedia function integrated intelligence according to claim 3 interacts blackboard, it is characterised in that the standard socket Area (9) includes several video signal interfaces, audio signal interface and/or data-interface.

5. multimedia function integrated intelligence according to claim 4 interacts blackboard, it is characterised in that the standard socket Area (9) specifically includes HDMI, Audio in, USB, TPUSB and/or WLAN socket.

6. multimedia function integrated intelligence according to claim 1 interacts blackboard, it is characterised in that the mainboard body (1) bottom margin is provided with to be pressed for adjusting the function of the audiovisual attribute when internal computer (3) plays multimedia file Keypad (5).

7. multimedia function integrated intelligence according to claim 6 interacts blackboard, it is characterised in that the function button Area (5), which specifically includes, plays the volume control knob of multimedia file volume for adjusting the internal computer (3), for adjusting The brightness regulation knob of display screen (2) brightness, and for controlling the shift knob of the display screen (2) light on and off.

8. multimedia function integrated intelligence according to claim 1 interacts blackboard, it is characterised in that the multimedia letter The WIFI module for receiving extraneous electronic equipment signal transmitted is provided with number acquisition module (4) and wireless throws panel module.

9. multimedia function integrated intelligence according to claim 1 interacts blackboard, it is characterised in that the mainboard body (1) picture pick-up device (6) for recorded broadcast video, and the picture pick-up device and the internal computer (3) signal are provided with the top of Connection.

10. multimedia function integrated intelligence according to claim 9 interacts blackboard, it is characterised in that the mainboard body (1) two side positions be provided with for receive microphone transmission voice signal receiver (7), and with the receiver (7) power amplifier (8) that signal connection, the voice signal for being received amplify and exported according to preset ratio.