A display screen control system

Abstract

The utility model belongs to the field of display control technology, and in particular, relates to a display screen control system, including: a processing module, a network module, an acquisition interface module, a dynamic control interface module, a first display interface module, and a second display interface module; the processing module can receive media data through the network module and parse and convert the media data, the processing module can send the parsed media data to the display screen through the display interface module, the acquisition interface module can receive environmental data collected by an environmental acquisition sensor, and the processing module can control the brightness of the display screen and the speed of the cooling fan through the dynamic control interface module according to the environmental data. The utility model sets two different display interfaces to adapt to screens of different types and manufacturers, receives environmental data through the acquisition interface module, and adjusts the wind speed of the cooling fan and the brightness of the screen through the dynamic control interface.

Description

Technical Field

[0001] The utility model belongs to the technical field of display control, and in particular relates to a display screen control system. Background Art

[0002] With the rapid development of digitalization, informatization and intelligence, large-screen display technology plays an indispensable role in many fields (such as smart lamp poles, commercial displays, conference centers, monitoring centers, digital advertising, etc.). These large screens are not only windows for information display, but also key platforms for data interaction and decision support. At present, in the large-screen display market, the boundaries between LED screens and LCD screens are clear. When displaying, LED display screens and LCD display screens are controlled by their respective control systems, which makes the screen display inconvenient. There is no exemplary unified control platform. If there is no control system for the LED display screen, the LED display screen cannot be used, and vice versa. At the same time, the existing display screen controller does not have the function of dynamically controlling the brightness adjustment of the LCD screen and the cooling fan according to environmental conditions. Summary of the invention

[0003] The utility model provides a display screen control system, which can realize a single controller to control an LED display screen and an LCD display screen and can dynamically control a cooling fan and display brightness.

[0004] The technical solution of the utility model is as follows: a display screen control system, comprising: a processing module, a network module, a collection interface module, a dynamic control interface module, a first display interface module and a second display interface module;

[0005] The processing module is connected to the network module, the acquisition interface module, the dynamic control interface module, the first display interface module and the second display interface module respectively, the acquisition interface module is connected to the environment acquisition sensor, the first display interface module is connected to the LCD display screen, the second display interface module is connected to the LED receiving card, the dynamic control interface module is connected to the LCD display screen and the cooling fan, and the network module is connected to the media source for communication;

[0006] The processing module can receive media data through the network module and parse and convert the media data. The processing module can send the parsed media data to the LCD display and / or the LED receiving card through the first display interface module and / or the second display interface module. The acquisition interface module can receive environmental data collected by the environmental acquisition sensor. The processing module can control the brightness of the LCD display and the speed of the cooling fan through the dynamic control interface module according to the environmental data.

[0007] Furthermore, the network module includes a WIFI module, a 4G / 5G module and a WAN interface, the WIFI module and the 4G / 5G module can wirelessly connect the processing module with the media source, and the WAN interface can communicatively connect the processing module with the media source via a network cable.

[0008] Furthermore, the processing module adopts MCU.

[0009] Furthermore, the acquisition interface module includes an RS232 / RS485 serial port and an ADC sampling interface.

[0010] Furthermore, the dynamic control interface module is a GPIO interface module, and the processing module dims the LCD screen and adjusts the speed of the cooling fan through PWM signal output.

[0011] Furthermore, a local storage module is included, and the local storage module is used to store the media data to be played.

[0012] Furthermore, the local storage module includes a TF card or a USB flash drive.

[0013] Furthermore, the first display interface module is an HDMI interface, and the second display interface is a Display interface.

[0014] The beneficial effects of the utility model are as follows: the utility model sets two different display interfaces to adapt to LCD screens and LED screens, realizes the adaptation of LED receiving cards from different manufacturers through the Display interface, receives environmental data through the acquisition interface module, realizes the adjustment of the wind speed of the cooling fan and the brightness of the LCD screen through the dynamic control interface, automatically identifies the optimal network mode for communication through the network module, and can also identify the network interface priority configuration to use a designated network for communication. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural frame diagram of the utility model.

[0016] Figure 2 It is the HDMI interface in the utility model.

[0017] Figure 3 The utility model relates to a TF card connection interface circuit.

[0018] Figure 4 The utility model relates to a U disk connection circuit.

[0019] Figure 5 It is an EMMC storage chip in the utility model.

[0020] Figure 6It is a partial pin diagram of the processing module chip in the utility model. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. The described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0022] In an embodiment of the present utility model, Figure 1 It is a structural schematic diagram provided according to the specific structure of a display screen control system of the utility model, such as Figure 1 As shown, the utility model includes: a processing module 1, a network module 2, a collection interface module 3, a dynamic control interface module 4, a first display interface module 5 and a second display interface module 6.

[0023] The processing module 1 is connected to the network module 2, the acquisition interface module 3, the dynamic control interface module 4, the first display interface module 5 and the second display interface module 6 respectively. The acquisition interface module 3 is connected to the environment acquisition sensor, the first display interface module 5 is connected to the LCD display, and the second display interface module 6 is connected to the LED receiving card. The processing module can automatically adapt to LCD displays with different resolutions and different types of LED receiving cards. The dynamic control interface module 4 is connected to the LCD display and the cooling fan. The network module 2 is connected to the media source. Among them, the media source can be a host computer or a cloud platform that sends the media data to be played. The processing module 1 uses an MCU, which can be specifically Allwinner H3, Figure 6 This is a partial pin diagram of the processing module 1 chip.

[0024] The processing module 1 can receive media data through the network module 2 and parse and convert the media data. The processing module 1 can send the parsed media data to the LCD display screen and / or the LED receiving card through the first display interface module 5 and / or the second display interface module 6. The first display interface module 5 is an HDMI interface, and the second display interface is a Display interface. Figure 2As shown, two TVS diodes are used to isolate and protect different pins. The utility model supports the local HDMI display interface and the Display interface to connect the display screen, wherein the HDMI interface can transmit the media data parsed by the processing module 1 and converted into a display drive signal, and the Display interface automatically matches the LED receiving card of a different manufacturer through the network and the display driver, and adopts a unified display model control.

[0025] The acquisition interface module 3 can receive environmental data collected by the environmental acquisition sensor, and the processing module 1 can control the brightness of the LCD display and the speed of the cooling fan through the dynamic control interface module 4 according to the environmental data. Among them, the acquisition interface module 3 includes an RS232 / RS485 serial port 31 and an ADC sampling interface 32. The dynamic control interface module 4 is a GPIO interface module, and the processing module 1 dims the LCD screen and adjusts the speed of the cooling fan through PWM signal output.

[0026] Environmental data includes light, temperature and humidity, brightness, etc., which can be realized by connecting the device to sensors such as light sensors, temperature and humidity sensors, and noise sensors. Intelligent analysis and calculation are performed through the internal processing module 1, and the cooling fan speed and LCD display brightness are automatically controlled through PWM. Through intelligent control of devices and peripherals, they can better adapt to the environment and provide better user experience.

[0027] In one embodiment of the utility model, the network module 2 includes a WIFI module 21, a 4G / 5G module 22 and a WAN interface 23. The WIFI module 21 and the 4G / 5G module 22 can connect the processing module 1 to the media source by wireless communication, and the WAN interface 23 can connect the processing module 1 to the media source by communication via a network cable. The network module 2 supports access through multiple methods such as wired, 4G / 5G modules, and WIFI. The processing module 1 can automatically identify the optimal network method for communication, and also supports sharing wired / 4G / 5G as a hotspot for Internet access through WIFI. An account with authority can log in to the device through the WEB or mobile phone APP to configure the device parameters.

[0028] In one embodiment of the present invention, a local storage module is also included, and the local storage module is used to store the media data to be played and the media data that needs to be played regularly in a loop, so as to reduce the network traffic overhead and improve the terminal synchronization time. The local storage module includes a TF card 71 or a USB flash drive 72. The present invention can store video / picture display files or device upgrade files in two ways: a USB flash drive 72 and a TF card 71. Among them, the TF card 71 is connected to the interface circuit such as Figure 3 As shown, the U disk 72 connection circuit is as follows Figure 4The local storage module also includes an EMMC storage chip, as shown in Figure 5 shown.

[0029] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to examples, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A display screen control system, characterized in that: include: A processing module (1), a network module (2), a collection interface module (3), a dynamic control interface module (4), a first display interface module (5) and a second display interface module (6); The processing module (1) is connected to the network module (2), the acquisition interface module (3), the dynamic control interface module (4), the first display interface module (5) and the second display interface module (6) respectively; the acquisition interface module (3) is connected to the environment acquisition sensor; the first display interface module (5) is connected to the LCD display screen; the second display interface module (6) is connected to the LED receiving card; the dynamic control interface module (4) is connected to the LCD display screen and the cooling fan; and the network module (2) is connected to the media source for communication; The processing module (1) can receive media data through the network module (2) and parse and convert the media data; the processing module (1) can send the parsed media data to the LCD display screen and / or the LED receiving card through the first display interface module (5) and / or the second display interface module (6); the acquisition interface module (3) can receive environmental data collected by the environmental acquisition sensor; and the processing module (1) can control the brightness of the LCD display screen and the rotation speed of the cooling fan through the dynamic control interface module (4) according to the environmental data.

2. The display screen control system according to claim 1, characterized in that: The network module (2) comprises a WIFI module (21), a 4G / 5G module (22) and a WAN interface (23); the WIFI module (21) and the 4G / 5G module (22) are capable of wirelessly connecting the processing module (1) to the media source; and the WAN interface (23) is capable of wirelessly connecting the processing module (1) to the media source via a network cable.

3. The display screen control system according to claim 1, characterized in that: The processing module (1) adopts MCU.

4. The display screen control system according to claim 1, characterized in that: The acquisition interface module (3) comprises an RS232 / RS485 serial port (31) and an ADC sampling interface (32).

5. The display screen control system according to claim 1, characterized in that: The dynamic control interface module (4) is a GPIO interface module, and the processing module (1) dims the LCD display screen and adjusts the speed of the cooling fan through PWM signal output.

6. The display screen control system according to claim 1, characterized in that: It also includes a local storage module, which is used to store media data to be played.

7. The display screen control system according to claim 6, characterized in that: The local storage module comprises a TF card (71) or a USB flash drive (72).

8. The display screen control system according to claim 1, characterized in that: The first display interface module (5) is an HDMI interface, and the second display interface is a Display interface.

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