Classroom multimedia control panel and smart classroom system

Abstract

The application relates to a classroom multimedia control panel and a smart classroom system. The classroom multimedia control panel comprises an external interface module, a touch display module, a data acquisition module, a USB management module and a single-chip microcomputer module. Audio data, identity information and other multi-modal information are acquired through the data acquisition module, and the multi-modal information is uploaded to a background central control system through the USB management module and the external interface module. The display and touch control functions of the control panel are realized through the touch display module, and the operation of the external interface module, the touch display module, the data acquisition module and the USB management module is controlled by the single-chip microcomputer module. Therefore, various information acquisition functions can be effectively integrated, centralized control and efficient management of multimedia equipment can be realized, and the requirements of equipment integration, intelligence and convenience in the construction of a smart classroom can be met.

Description

Technical Field

[0001] This application relates to the field of multimedia control technology, and in particular to classroom multimedia control panels and smart classroom systems. Background Technology

[0002] With the continuous advancement of educational informatization, smart classrooms are gradually becoming an important part of modern education. In the construction of smart classrooms, the control and management of multimedia equipment plays a crucial role. Existing streaming media displays often require integrated systems or decoding solutions, which increases equipment costs and adds to procurement and maintenance burdens. Furthermore, connecting peripherals typically requires external USB hubs, resulting in cluttered external cables that not only affect aesthetics but may also disrupt normal equipment operation due to wiring issues, and even pose safety hazards.

[0003] Therefore, traditional streaming media display screens cannot effectively integrate multiple information collection functions, nor can they achieve centralized control and efficient management of multimedia devices, making it difficult to meet the requirements of equipment integration, intelligence, and convenience in the construction of smart classrooms. Utility Model Content

[0004] This application provides a classroom multimedia control panel and a smart classroom system to at least solve the problem that streaming media display devices in related technologies cannot effectively integrate multiple information collection functions.

[0005] In a first aspect, embodiments of this application provide a classroom multimedia control panel, including: The peripheral interface module connects to the back-end central control system and is used for data interaction with the back-end central control system; The touch display module is used to obtain and display LVDS display signals from the peripheral interface module, and at the same time to collect user touch data and send the touch data to the USB management module; The data acquisition module is used to collect audio and video data and user identity information, and send them to the USB management module; The USB management module is used to integrate the touch data, audio and video data and the identity information and send them to the peripheral interface module, and upload them to the background central control system; The microcontroller module is used to control the operation of the peripheral interface module, touch display module, data acquisition module and USB management module.

[0006] In one embodiment, the data acquisition module includes a camera, a microphone, and a card reader; wherein, The camera is used to collect video data during the teaching process and send it to the USB management module; the audio pickup device is used to collect audio data during the teaching process and send it to the USB management module; the card reader module is used to read the user's identity information and send it to the microcontroller module.

[0007] In one embodiment, the touch display module includes a touch unit, a display unit, a backlight unit, and a DP input interface; wherein the touch unit and the display unit are connected to the peripheral interface module through the DP input interface, and the backlight unit is connected to the microcontroller module; The touch unit is used to acquire the user's touch signals and input information, and to perform corresponding operations based on the touch signals and input information; the DP input interface allows the user to convert the differential signal into image data adapted to the display unit; the display unit is used to display the image data acquired from the DP input interface; the backlight unit is used to provide a light source to the display unit.

[0008] In one embodiment, the peripheral interface module includes a DP port, a USB port, and a power port; wherein, The DP port is connected to the back-end central control system via a DP cable and is used to access differential signals; The USB port is connected to the USB management module and is used to output the audio and video data and identity information to the background control system; The power port is connected to a power source and is used to supply power to the various modules in the classroom multimedia control panel.

[0009] In one embodiment, the USB management module includes a USB hub and a USB signal repeater; wherein, The USB hub is used to expand a single USB port into multiple USB ports, and integrates the data received by the multiple USB ports before outputting it to the USB signal repeater; The USB signal repeater is used to shape and amplify the received USB signal and output the processed USB signal to the peripheral interface module.

[0010] In one embodiment, the multimedia control panel further includes a speaker, which acquires audio data through a USB management module and amplifies the audio data before outputting it.

[0011] In one embodiment, the camera is a binocular camera.

[0012] In one embodiment, the touch display module further includes a video conversion chip for relaying and amplifying the LVDS display signal.

[0013] In one embodiment, the USB hub includes a hub controller chip and a crystal oscillator, wherein, The hub controller chip is clocked by the crystal oscillator and uses a multi-transaction converter mode to process the audio and video data and identity information through different downlink ports.

[0014] Secondly, embodiments of this application provide a smart classroom system, which includes a classroom multimedia control panel as described in any of the preceding embodiments.

[0015] The classroom multimedia control panel and smart classroom system provided in this application embodiment have at least the following technical effects: The classroom multimedia control panel of this application includes a peripheral interface module, a touch display module, a data acquisition module, a USB management module, and a microcontroller module. The data acquisition module collects multimodal information such as audio data and identity information. This multimodal information is then uploaded to the backend central control system via the USB management module and the peripheral interface module. The touch display module enables the control panel's display and touch functions, and the microcontroller module controls the operation of the peripheral interface module, touch display module, data acquisition module, and USB management module. This effectively integrates multiple information acquisition functions and achieves centralized control and efficient management of multimedia devices, meeting the requirements of integrated, intelligent, and convenient equipment in smart classroom construction.

[0016] Details of one or more embodiments of this application are set forth in the following drawings and description to make other features, objects and advantages of this application more readily apparent. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings: Figure 1 This is a structural block diagram of a classroom multimedia control panel according to one embodiment of this application; Figure 2 This is a schematic diagram of the structure of a classroom multimedia control panel in another embodiment of this application. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this application clearer, the application is described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application. All other embodiments obtained by those skilled in the art based on the embodiments provided in this application without inventive effort are within the scope of protection of this application.

[0019] Obviously, the accompanying drawings described below are merely some examples or embodiments of this application. Those skilled in the art can apply this application to other similar scenarios based on these drawings without any inventive effort. Furthermore, it is understood that although the efforts made in this development process may be complex and lengthy, for those skilled in the art related to the content disclosed in this application, any changes to design, manufacturing, or production based on the technical content disclosed in this application are merely conventional technical means and should not be construed as insufficient disclosure of the content of this application.

[0020] In this application, the reference to "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment that is mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described in this application may be combined with other embodiments without conflict.

[0021] Unless otherwise defined, the technical or scientific terms used in this application shall have the ordinary meaning understood by one of ordinary skill in the art to which this application pertains. The terms “a,” “an,” “an,” “the,” and similar words used in this application do not indicate quantity limitation and may indicate singular or plural. The terms “comprising,” “including,” “having,” and any variations thereof used in this application are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or device that includes a series of steps or modules (units) is not limited to the listed steps or units, but may also include steps or units not listed, or may include other steps or units inherent to these processes, methods, products, or devices. The terms “connected,” “linked,” “coupled,” and similar words used in this application are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. “Multiple” used in this application refers to two or more. “And / or” describes the relationship between related objects, indicating that three relationships may exist; for example, “A and / or B” can represent: A alone, A and B simultaneously, and B alone. The character " / " generally indicates that the preceding and following objects are in an "or" relationship. The terms "first," "second," and "third" used in this application are merely to distinguish similar objects and do not represent a specific ordering of the objects.

[0022] Currently, various traditional streaming media display devices suffer from numerous drawbacks. For example, display devices often have integrated systems or decoding solutions, leading to higher costs; peripherals require external USB hubs, resulting in cumbersome external wiring; display resolutions are limited and cannot be adjusted, and brightness adjustment cannot be remotely controlled; screen-off times and timed shutdown controls cannot be set; and displays supporting Low Voltage Differential Signaling (LVDS) output require very short connection cables, preventing extended display lengths. Based on these limitations, this application provides a classroom multimedia control panel and a smart classroom system.

[0023] Firstly, embodiments of this application provide a classroom multimedia control panel, such as... Figure 1 As shown, the classroom multimedia control panel of this application embodiment includes a peripheral interface module, a touch display module, a data acquisition module, a USB management module, and a microcontroller module.

[0024] Specifically, the peripheral interface module connects to the back-end central control system for data interaction; the touch display module receives and displays LVDS display signals from the peripheral interface module, and also collects user touch data and sends it to the USB management module; the data acquisition module collects audio and video data and user identity information and sends it to the USB management module; the USB management module integrates the touch data, audio and video data, and identity information and sends it to the peripheral interface module, and uploads it to the back-end central control system; and the microcontroller module controls the operation of the peripheral interface module, touch display module, data acquisition module, and USB management module.

[0025] In this embodiment, the microcontroller data acquisition module can also transmit screen operation buttons, screen power switch and brightness adjustment information to the central control backend via DP cable, and supports the transmission and playback of sound from the computer and the sound from the audio pickup device, realizing the recording and broadcasting function of classroom classes.

[0026] In summary, the classroom multimedia control panel provided in this application collects multimodal information such as audio data and identity information through a data acquisition module. This multimodal information is then uploaded to the backend central control system via a USB management module and a peripheral interface module. A touch display module enables the control panel's display and touch functions, and a microcontroller module controls the operation of the peripheral interface module, touch display module, data acquisition module, and USB management module. This effectively integrates multiple information acquisition functions and achieves centralized control and efficient management of multimedia devices, meeting the requirements for equipment integration, intelligence, and convenience in smart classroom construction.

[0027] In a preferred embodiment, reference Figure 2The touch display module includes a touch unit, a display unit, a backlight unit, and a DP input interface. The touch unit and display unit are connected to the peripheral interface module via the DP input interface, and the backlight unit is connected to the microcontroller module. The touch unit is used to acquire user touch signals and input information, and perform corresponding operations based on the touch signals and input information. The DP input interface is used to acquire the LVDS display signal and send it to the display unit. The display unit is used to display the LVDS display signal. The backlight unit is used to provide a light source to the display unit.

[0028] The touch display module also includes a video conversion chip for relaying and amplifying the LVDS display signal. In this embodiment, the DP input interface is mainly used to acquire, process, and handle the input LVDS signal, thereby solving the LVDS hot-plugging problem, improving signal quality, extending transmission distance, eliminating the need for a video decoding driver, and reducing costs. This application ensures the stability of the 5-meter video signal transmission by directly inputting the LVDS display signal and relaying and amplifying it using a high-performance video bridging / conversion chip (LT9211C).

[0029] In addition, the display unit in this embodiment uses an LCD screen, the display resolution of which can be adjusted through the central control panel, and the output screen can switch between different HDMI input channels, making the display more flexible.

[0030] refer to Figure 2 The peripheral interface module includes a DP port, a USB port, and a power port. The DP port connects to the central control system via a DP cable to receive LVDS signals; the USB port connects to the USB management module to output the acquired audio data, video data, and identity information to the central control system; and the power port connects to a power supply to power the various modules in the classroom multimedia control panel.

[0031] The data acquisition module includes a camera, a microphone, and a card reader. The camera collects image data during the teaching process and sends it to the USB management module; the microphone (e.g., a microphone) collects audio data during the teaching process and sends it to the USB management module; the card reader reads the user's identity information and sends it to the microcontroller module. In this embodiment, the camera is a binocular camera, which captures the teacher's face. Dual-view image fusion technology effectively addresses issues such as changes in lighting and target occlusion, maintaining a high recognition rate even in low-light or backlight conditions.

[0032] The USB management module includes a USB hub and a USB signal repeater. Specifically, the USB hub expands a single USB port into multiple USB ports and integrates the data received from these multiple USB ports before outputting it to the USB signal repeater; the USB signal repeater shapes and amplifies the received USB signals. In this embodiment, the USB hub module integrates camera-acquired data, microcontroller-acquired audio signals, and card-swipe information, outputting them to the central control unit via a single DP cable, reducing the need for external connection cables.

[0033] In a preferred embodiment, reference Figure 2 The multimedia control panel also includes a speaker, which acquires audio data through a USB management module and amplifies the audio data before outputting it.

[0034] The USB hub includes a USB-HUB controller chip and a crystal oscillator. The USB-HUB controller chip is clocked by the crystal oscillator and uses a multiple transaction converter (MTT) mode to process the audio data, video data, and identity information through different downlink ports. In one embodiment, the four downlink ports process data independently, integrating data captured by the camera, computer audio captured by the microcontroller, audio signals from the microphone, and card swipe information, all of which are output to the central control backend for processing via a DP line.

[0035] The microcontroller module in this embodiment can collect card swipe information (i.e., identity information), integrate the data collection via USB-HUB, and output the data through the DP cable. It also supports the transmission and playback of audio from the computer and audio pickup devices, enabling classroom recording and playback. Furthermore, it supports the transmission of screen operation buttons, screen power switch, and brightness adjustment to the central control backend via the DP cable. This application utilizes a DP input interface to extend the display, eliminating the need for video decoding drivers. Display resolution and image quality can be flexibly switched, resulting in a lower cost. The peripheral interface module connects to the central control unit via a DP cable, requiring only one DP cable for external output, eliminating redundant peripheral connections. It supports dual-sided camera image capture, audio capture, and card swipe information capture, making it suitable for a wide range of applications. Through a microcontroller module, it supports centralized control of multimedia devices, allowing switching of video display signals and control of multimedia devices connected to the central control unit.

[0036] Secondly, one embodiment of this application provides a smart classroom system, in which the smart classroom system includes the classroom multimedia control panel described in any of the above embodiments.

[0037] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0038] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A classroom multimedia control panel, characterized in that, include: The peripheral interface module connects to the back-end central control system and is used for data interaction with the back-end central control system; The touch display module is used to obtain and display LVDS display signals from the peripheral interface module, and at the same time to collect user touch data and send the touch data to the USB management module; The data acquisition module is used to collect audio and video data and user identity information, and send them to the USB management module; The USB management module is used to integrate the touch data, audio and video data and the identity information and send them to the peripheral interface module, and upload them to the background central control system; The microcontroller module is used to control the operation of the peripheral interface module, touch display module, data acquisition module and USB management module.

2. The classroom multimedia control panel according to claim 1, characterized in that, The data acquisition module includes a camera, a microphone, and a card reader; wherein... The camera is used to collect video data during the teaching process and send it to the USB management module; the audio pickup device is used to collect audio data during the teaching process and send it to the USB management module; the card reader module is used to read the user's identity information and send it to the microcontroller module.

3. The classroom multimedia control panel according to claim 1, characterized in that, The touch display module includes a touch unit, a display unit, a backlight unit, and a DP input interface; wherein, the touch unit and the display unit are connected to the peripheral interface module through the DP input interface, and the backlight unit is connected to the microcontroller module; The touch unit is used to acquire the user's touch signals and input information, and to perform corresponding operations based on the touch signals and input information; the DP input interface is used to acquire the LVDS display signal and send it to the display unit; the display unit is used to display the LVDS display signal; the backlight unit is used to provide a light source to the display unit.

4. The classroom multimedia control panel according to claim 1, characterized in that, The peripheral interface module includes a DP port, a USB port, and a power port; wherein... The DP port is connected to the back-end central control system via a DP cable and is used to access differential signals; The USB port is connected to the USB management module and is used to output the audio and video data and identity information to the background control system; The power port is connected to a power source and is used to supply power to the various modules in the classroom multimedia control panel.

5. The classroom multimedia control panel according to claim 1, characterized in that, The USB management module includes a USB hub and a USB signal repeater; wherein... The USB hub is used to expand a single USB port into multiple USB ports, and integrate the data received by the multiple USB ports and output it to the USB signal repeater; The USB signal repeater is used to shape and amplify the received USB signal and output the processed USB signal to the peripheral interface module.

6. The classroom multimedia control panel according to claim 1, characterized in that, The multimedia control panel also includes a speaker, which acquires audio data through a USB management module and amplifies the audio data before outputting it.

7. The classroom multimedia control panel according to claim 2, characterized in that, The camera is a binocular camera.

8. The classroom multimedia control panel according to claim 3, characterized in that, The touch display module also includes a video conversion chip for relaying and amplifying the LVDS display signal.

9. The classroom multimedia control panel according to claim 5, characterized in that, The USB hub includes a hub controller chip and a crystal oscillator, wherein... The hub controller chip is clocked by the crystal oscillator and uses a multi-transaction converter mode to process the audio and video data and identity information through different downlink ports.

10. A smart classroom system, characterized in that, The smart classroom system includes a classroom multimedia control panel as described in any one of claims 1-9.

Images