4K video matrix control system

Abstract

The utility model discloses a 4K video matrix control system, which is used for solving the technical problems of tedious operation flow and time and labor consumption due to the required control operation workload when a plurality of devices are required to perform the same control operation or different control operations are required to be performed on part of the devices in a large-scale control field. The system comprises a central control host and a plurality of 4K video matrixes cascaded with the central control host. The 4K video matrix comprises a plurality of audio input interface modules, a plurality of video input interface modules, an audio embedding / separating unit, a signal processing unit memory buffer, an audio processing unit, a video segmentation / splicing / seamless switching processing module, an ARM module, a display unit, a control unit, a plurality of audio output interface modules and a plurality of video output interface modules.

Description

Technical Field

[0001] The utility model relates to the technical field of video matrix, in particular to a 4K video matrix control system. Background Art

[0002] Existing 4K video matrices are usually independently controlled by a single machine through buttons, remote controls, or its own PC control software. When a large control site requires multiple devices to perform the same control operation or different control operations on some devices, the required operation workload will result in cumbersome operation processes, time-consuming and labor-intensive situations, which brings great inconvenience to daily control operations. Utility Model Content

[0003] The utility model provides a 4K video matrix control system, which is used to solve the technical problem that when a large control site requires multiple devices to perform the same control operation or different control operations are performed on some of the devices, the required control operation workload will result in cumbersome operation procedures, time-consuming and labor-intensive operations.

[0004] The utility model provides a 4K video matrix control system, including:

[0005] A central control host, and multiple 4K video matrices cascaded with the central control host;

[0006] The 4K video matrix includes: multiple audio input interface modules, multiple video input interface modules, an audio embedding / separation unit, a signal processing unit memory buffer, an audio processing unit, a video segmentation / splicing / seamless switching processing module, an ARM module, a display unit, a control unit, multiple audio output interface modules and multiple video output interface modules;

[0007] The output ends of the audio input interface module and the video input interface module are respectively connected to the audio embedding / separation unit;

[0008] The output end of the audio embedding / separation unit is connected to the memory buffer of the signal processing unit;

[0009] The output end of the memory buffer of the signal processing unit is connected to the audio processing unit and the video segmentation / splicing / seamless switching processing module respectively;

[0010] The output end of the audio processing unit is connected to the audio output interface module;

[0011] The output end of the video segmentation / splicing / seamless switching processing unit is connected to the video output interface module;

[0012] The signal processing unit memory buffer is connected to the ARM module;

[0013] The ARM module is connected to the display unit and the control unit.

[0014] Optionally, the ARM module includes an ARM core board and an ARM controller;

[0015] The ARM core board is connected to the display unit and the PC;

[0016] The ARM controller is connected to the control unit.

[0017] Optionally, the display unit includes a liquid crystal dot matrix display screen.

[0018] Optionally, the control unit includes a panel button control unit, a remote control control unit, a fingerprint module and an RS485 module.

[0019] Optionally, the 4K video matrix further includes:

[0020] Power switch, infrared window, fingerprint collection window, LCD dot matrix display, input channel switching button, output channel switching button, indicator light, mode selection button, single-cut multi-button, channel switch button, corresponding open button.

[0021] Optionally, the indicator lights include: an ID setting mode indicator light, a splicing mode indicator light and a matrix mode indicator light.

[0022] Optionally, the modes selected by the mode selection button include: matrix mode, segmentation mode, splicing mode and ID setting mode.

[0023] Optionally, the 4K video matrix further includes:

[0024] HDMI / video signal source input interface, Phoenix terminal / audio embedding analog input interface, HDMI output interface, Phoenix terminal / audio de-embedding or audio separation analog output interface, RS485 input interface, RS485 output interface, network interface, JTAG interface and DC power input port.

[0025] Optionally, the DC power input port includes a DC24 / 3A DC power input port.

[0026] Optionally, the RS485 input interface is connected to the central control host; the RS485 output interface is connected to the RS485 input interface of the next 4K video matrix.

[0027] It can be seen from the above technical solution that the present invention has the following advantages: the present invention provides a 4K video matrix control system, and specifically discloses: a central control host, and multiple 4K video matrices cascaded with the central control host; the 4K video matrix includes: multiple audio input interface modules, multiple video input interface modules, an audio embedding / separation unit, a signal processing unit memory buffer, an audio processing unit, a video segmentation / splicing / seamless switching processing module, an ARM module, a display unit, a control unit, multiple audio output interface modules and multiple video output interface modules; the output ends of the audio input interface module and the video input interface module are respectively connected to the audio embedding / separation unit; the output end of the audio embedding / separation unit is connected to the signal processing unit memory buffer; the output end of the signal processing unit memory buffer is respectively connected to the audio processing unit and the video segmentation / splicing / seamless switching processing module; the output end of the audio processing unit is connected to the audio output interface module; the output end of the video segmentation / splicing / seamless switching processing unit is connected to the video output interface module; the signal processing unit memory buffer is connected to the ARM module; the ARM module is connected to the display unit and the control unit.

[0028] This utility model controls the matrix or cascades the previous 4K video matrix with the next 4K video matrix through the central control. Through the unified control platform of the central control host, it can quickly and accurately perform the same control operation on multiple devices or perform different control operations on some of the devices, avoiding the situation of scrambling to find a remote control or switching multiple PC control software to control when large-scale control occasions require fast and accurate notification of multiple devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0030] Figure 1 A schematic structural diagram of a 4K video matrix control system provided by an embodiment of the present utility model;

[0031] Figure 2 4K video matrix structure panel diagram provided for this implementation;

[0032] Figure 3 This is the rear panel diagram of the 4K video matrix structure provided for this new implementation. DETAILED DESCRIPTION

[0033] The embodiment of the present utility model provides a 4K video matrix control system, which is used to solve the technical problem that when a large control site requires multiple devices to perform the same control operation or different control operations are performed on some of the devices, the required control operation workload will result in cumbersome operation procedures, time-consuming and labor-intensive operations.

[0034] In order to make the purpose, features, and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0035] See also Figure 1 , Figure 1 This is a structural diagram of a 4K video matrix control system provided by an embodiment of the utility model.

[0036] The utility model provides a 4K video matrix control system, comprising:

[0037] Central control host 1, multiple 4K video matrices 2 cascaded with the central control host;

[0038] The 4K video matrix 2 includes: multiple audio input interface modules 201, multiple video input interface modules 202, an audio embedding / separation unit 203, a signal processing unit memory buffer 204, an audio processing unit 205, a video segmentation / splicing / seamless switching processing module 206, an ARM module 207, a display unit 208, a control unit 209, multiple audio output interface modules 210, and multiple video output interface modules 211;

[0039] The output ends of the audio input interface module 201 and the video input interface module 202 are respectively connected to the audio embedding / separation unit 203;

[0040] The output end of the audio embedding / separation unit 203 is connected to the signal processing unit memory buffer 204;

[0041] The output end of the signal processing unit memory buffer 204 is connected to the audio processing unit 205 and the video segmentation / splicing / seamless switching processing module 206 respectively;

[0042] The output end of the audio processing unit 205 is connected to the audio output interface module 210;

[0043] The output end of the video segmentation / splicing / seamless switching processing unit 206 is connected to the video output interface module 211;

[0044] The signal processing unit memory buffer 204 is connected to the ARM module 207;

[0045] The ARM module 207 is connected to the display unit 208 and the control unit 209 .

[0046] In a specific implementation, the audio input interface module 201 may be a 4-channel Phoenix terminal audio input; and the video input interface module 202 may be a 4-channel HDMI video input.

[0047] The audio embedding / separation unit 203 is used to embed audio signals into the video stream or separate audio signals from the video stream, supporting multiple audio formats such as stereo and multi-channel audio; and processes the input video and audio signals, such as format conversion, scaling, frame rate conversion, etc., to ensure that the frame rates of the video and audio signals are synchronized.

[0048] The signal processing unit memory buffer 204 is used to store video and audio frames to achieve seamless switching.

[0049] The video segmentation / splicing / seamless switching processing module 206 is used to segment and splice the 4K video signal and simultaneously handle the distribution of the audio signal. The processed audio signal can be output to four Phoenix audio outputs via the audio output interface module 210, and the processed video signal can be output to four HDMIN video outputs via the video output interface module 211.

[0050] Furthermore, in the embodiment of the present utility model, the ARM module 207 includes an ARM core board 2071 and an ARM controller 2072;

[0051] The ARM core board 2071 is connected to the display unit 208 and the PC 232;

[0052] The ARM controller 2072 is connected to the control unit 209 .

[0053] In the specific implementation, the ARM core board 2071 and the ARM controller 2072 communicate through the UART serial port to expand GPIO and other UART serial port protocols. The UART serial port communicates with the fingerprint chip to collect fingerprint signals to enter fingerprint management, etc. Fingerprint login is more secure and the user experience is more user-friendly.

[0054] Furthermore, the display unit 208 includes a liquid crystal dot matrix display screen.

[0055] Furthermore, the control unit 209 includes a panel key control unit 2091, a remote control unit 2092, a fingerprint module 2093, and an RS485 module 2094. The panel key control unit 2091 and the remote control unit 2092 detect panel key and remote control signals via the IO port. The central control unit 1 is connected to the 4K video matrix 2 via the RS485 module 2094. Central control unit 1 can control a single or multiple devices in the 4K video matrix 2, enabling fast, accurate, and efficient switching control of multiple devices.

[0056] Further, if Figure 2 As shown, Figure 2 The 4K video matrix structure panel diagram provided for this implementation; the 4K video matrix 2 also includes:

[0057] Power switch 212, infrared window 213, fingerprint collection window 214, LCD dot matrix display 215, input channel switching button 216, output channel switching button 217, indicator light 218, mode selection button 219, single-cut multiple button 220, channel switch button 221, corresponding open button 222.

[0058] In a specific implementation, the infrared window 213 can receive infrared rays through an infrared remote controller to realize rapid matrix switching control.

[0059] Fingerprint collection window 214, through fingerprint unlocking control to prevent unrelated personnel from misoperation.

[0060] The liquid crystal dot matrix display screen 215 can display the device ID number and the working status of the four input and output channels.

[0061] The input channel switching button 216 can switch 4 input channels. When the button is pressed, the backlight turns red, indicating that the current input channel is open.

[0062] Output channel switching button 217 can switch 4 output channels. Press the button and the backlight will turn red, indicating that the current output channel is on; press the button again and the backlight will go out, indicating that the current output channel is off.

[0063] The indicator lights 218 include an ID setting mode indicator light (ID), a splicing mode indicator light (SPLICING), and a matrix mode indicator light (MATRIX). When the indicator lights up, it indicates that the corresponding mode has been entered.

[0064] Mode (MODE) selection button 219, press the button to switch to matrix mode, split mode, splicing mode and ID setting mode in sequence, and the default mode when the power is turned on is matrix mode.

[0065] Single-to-multiple (ALL) button 220: In matrix mode, select an input channel and press this button to switch the input channel to all output channels.

[0066] Channel switch (ON / OFF) button 221. In matrix mode, press this button to open or close the input and output channels that were opened last time. The channel switch (ON / OFF) button light is on and all 4 output channels are closed.

[0067] Corresponding to the THROUGH button 222, in matrix mode, pressing this button can pass all input and output channels directly, that is, controlling the output of the 1st input channel to the 1st output channel, and so on, the 4 channels correspond one to one.

[0068] Further, if Figure 3 As shown, Figure 3 The rear panel diagram of the 4K video matrix structure provided for this embodiment is shown in FIG. 4K video matrix 2 further includes:

[0069] HDMI / video signal source input interface 223, Phoenix terminal / audio embedding analog input interface 224, HDMI output interface 225, Phoenix terminal / audio de-embedding or audio separation analog output interface 226, RS485 input interface 227, RS485 output interface 228, network interface 229, JTAG interface 230 and DC power input port 231.

[0070] The DC power input port 231 includes a DC24 / 3A DC power input port, which is used to provide operating power to the 4K video matrix 2. The RS485 input port 227 is connected to the central control host 1, and the RS485 output port 228 is connected to the RS485 input port of the next 4K video matrix. The network port 229 is used to connect to a PC or network switch, and the JTAG port is used to upgrade the device firmware.

[0071] This utility model controls the matrix or cascades the previous 4K video matrix with the next 4K video matrix through the central control. Through the unified control platform of the central control host, it can quickly and accurately perform the same control operation on multiple devices or perform different control operations on some of the devices, avoiding the situation of scrambling to find a remote control or switching multiple PC control software to control when large-scale control occasions require fast and accurate notification of multiple devices.

[0072] The above is a detailed introduction to a 4K video matrix control system provided by the present invention. For those skilled in the art, according to the ideas of the embodiments of the present invention, there may be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A 4K video matrix control system, characterized in that: include: A central control host, and multiple 4K video matrices cascaded with the central control host; The 4K video matrix includes: multiple audio input interface modules, multiple video input interface modules, an audio embedding / separation unit, a signal processing unit memory buffer, an audio processing unit, a video segmentation / splicing / seamless switching processing module, an ARM module, a display unit, a control unit, multiple audio output interface modules and multiple video output interface modules; The output ends of the audio input interface module and the video input interface module are respectively connected to the audio embedding / separation unit; The output end of the audio embedding / separation unit is connected to the memory buffer of the signal processing unit; The output end of the memory buffer of the signal processing unit is connected to the audio processing unit and the video segmentation / splicing / seamless switching processing module respectively; The output end of the audio processing unit is connected to the audio output interface module; The output end of the video segmentation / splicing / seamless switching processing unit is connected to the video output interface module; The signal processing unit memory buffer is connected to the ARM module; The ARM module is connected to the display unit and the control unit.

2. The 4K video matrix control system according to claim 1, characterized in that: The ARM module includes an ARM core board and an ARM controller; The ARM core board is connected to the display unit and the PC; The ARM controller is connected to the control unit.

3. The 4K video matrix control system according to claim 1, characterized in that: The display unit includes a liquid crystal dot matrix display screen.

4. The 4K video matrix control system according to claim 1, characterized in that: The control unit includes a panel button control unit, a remote control control unit, a fingerprint module and an RS485 module.

5. The 4K video matrix control system according to claim 1, characterized in that: The 4K video matrix also includes: Power switch, infrared window, fingerprint collection window, LCD dot matrix display, input channel switching button, output channel switching button, indicator light, mode selection button, single-cut multi-button, channel switch button, corresponding open button.

6. The 4K video matrix control system according to claim 5, characterized in that: The indicator lights include: an ID setting mode indicator light, a splicing mode indicator light and a matrix mode indicator light.

7. The 4K video matrix control system according to claim 5, characterized in that: The modes selected by the mode selection button include: matrix mode, segmentation mode, splicing mode and ID setting mode.

8. The 4K video matrix control system according to claim 1, characterized in that: The 4K video matrix also includes: HDMI / video signal source input interface, Phoenix terminal / audio embedding analog input interface, HDMI output interface, Phoenix terminal / audio de-embedding or audio separation analog output interface, RS485 input interface, RS485 output interface, network interface, JTAG interface and DC power input port.

9. The 4K video matrix control system according to claim 8, characterized in that: The DC power input port includes a DC24 / 3A DC power input port.

10. The 4K video matrix control system according to claim 8, characterized in that: The RS485 input interface is connected to the central control host; the RS485 output interface is connected to the RS485 input interface of the next 4K video matrix.

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