Flight training KVM monitoring integrated device

Abstract

A flight training KVM monitoring integrated device disclosed by the present invention comprises a KVM switching module, an NVR module, a health reporting module, a power supply module, a display screen, a keyboard and a touchpad, external multipath HDMI and USB signals and a path of signals of the NVR module are processed and switched into a path of HDMI and USB signals through the KVM switching module, the HDMI signals are sent to the display screen for display, the USB signals are sent to the keyboard and the touchpad, and the health reporting module is connected with the power supply module. The KVM switching module converts and processes the HDMI signal and then outputs an LVDS signal format to the display screen, the KVM switching module receives an instruction input through the key instruction interface and carries out corresponding switching operation, and the NVR module receives a video stream signal of the camera in real time, analyzes the video stream signal and stores video data. A video stream signal is transmitted to the display screen through the KVM switching module, and the health reporting module performs power-on self-test and automatic detection after all the modules are started; according to the invention, a modular design is adopted, a plurality of functional modules are integrated in a 2U space, the integration level is high, and different use requirements of users are met.

Description

Technical Field

[0001] The present invention relates to the technical field of monitoring devices, and in particular to a KVM integrated monitoring device for flight training. Background Art

[0002] With the development of information technology, multiple mission servers and computers are needed in modern UAV measurement, control and command training systems. Pilots need to manage and maintain multiple devices at the same time. The training system also needs to monitor the pilot's operation records through video recording. It is more urgent to find a new multi-functional KVM switch that simplifies operation and saves space.

[0003] Currently, mainstream KVM switches have single functions, complex operations and poor compatibility. They mainly realize remote control and switching of keyboard, video and mouse, but lack functions in monitoring systems, health reporting, etc.

[0004] The prior art has the following defects: 1) Low integration: A more integrated KVM system must be developed to integrate the monitoring and health reporting functions with the current video switching and keyboard and mouse control functions to achieve more comprehensive system management.

[0005] 2) Poor compatibility: It is only compatible with Windows systems, not with Kylin systems. KVM software and hardware need to be improved to ensure compatibility with Kylin systems. This involves in-depth research on the kernel and interfaces of the Kylin system, and may require the development of corresponding drivers.

[0006] 3) No feedback: A health reporting mechanism must be designed and implemented, including hardware status monitoring and system performance data collection. At the same time, a corresponding software interface must be developed so that users can effectively view and analyze this data.

[0007] Therefore, there is an urgent need for a new KVM monitoring all-in-one device that can simultaneously have monitoring, video, keyboard and mouse, and health reporting functions to meet the needs of modern information systems. Summary of the invention

[0008] To solve the above problems, the present invention provides a new KVM monitoring all-in-one device which can simultaneously have monitoring, video, keyboard and mouse, and health reporting functions. It has a high degree of integration, and the added health reporting module collects the working voltage and equipment connection status data of each module in real time, and compares it with the normal state data pre-stored in the database, so as to judge the operating status of each module and report abnormal information.

[0009] The technical solution adopted by the present invention is: A flight training KVM monitoring integrated device comprises a KVM switching module, an NVR module, a health reporting module, a power module, a display screen, a keyboard and a touch pad, wherein the KVM switching module is connected to the NVR module and the health reporting module; the KVM switching module is used to connect to an external device and receive multiple HDMI and USB signals input from the outside, the NVR module receives camera data from a switch POE connection, receives and stores input video stream signals, the display screen is connected to the NVR module and the health reporting module, the KVM switching module is connected to the keyboard and the touch pad, and the KVM switching module comprises a key command interface for receiving issued commands; The power module is used to connect the main power supply and supply power to the KVM switching module, NVR module, display screen and health reporting module. After power supply, the external multi-channel HDMI and USB signals and the signal of 1-channel NVR module are processed by the KVM switching module and switched to one-channel HDMI and USB signals. The HDMI signal is sent to the display screen for display, and the USB signal is sent to the keyboard and touchpad. The KVM switching module converts and processes the HDMI signal and outputs the LVDS signal format to the display screen. The KVM switching module receives the command input through the key command interface and performs the corresponding switching operation. The NVR module receives the video stream signal of the camera in real time, analyzes the video stream signal and stores the video data. The video stream signal is transmitted to the display screen through the KVM switching module, and the display screen displays the video picture. The health reporting module performs a power-on self-test after all modules are turned on. The power-on self-test includes detecting the voltage of the main power supply and the power supply voltage of the NVR. The health reporting module starts automatic detection, which includes detecting the device connection status of the switch POE, the multi-channel HDMI+USB of the KVM switching module and the device connection status of the 1-channel NVR module, and packages the status information and detection results of each module and reports them to the upper-level platform.

[0010] Furthermore, the KVM switching module includes a signal processing board, which includes an image scaling module, a brightness and color correction module, an OSD interface generation module and an LVDS signal synthesis module, which is used to convert the format of the HDMI signal, generate an OSD interface and synthesize LVDS signals for display on the display screen, process the instructions received by the key command interface and perform corresponding switching of multiple HDMI and USB signals to a single HDMI and USB signal. The image scaling module and the brightness and color correction module are used to adjust the video quality.

[0011] Furthermore, the signal processing board of the KVM switching module also includes a first processor, a composite aviation plug connector, a signal switching module, a display driver module and a HUB driver module, the composite aviation plug connector is connected to a signal isolator and a signal amplifier, the signal amplifier is connected to the signal isolator and the signal switching module, the first processor is connected to the signal switching module, the display driver module and the HUB driver module, the signal switching module includes an HDMI switching module and a USB switching module, the HDMI switching module and the USB switching module are connected to an external key switching module through a key command interface, the display driver module is connected to the display module, and the HUB driver module is used to connect a keyboard, a touchpad and an external interface; The composite aviation plug connector receives a composite signal including HDMI and USB, and the composite signal is separated into HDMI signal and USB signal by a signal isolator, and the HDMI signal and USB signal are amplified by a signal amplifier, and the composite aviation plug connector outputs the separated HDMI signal and USB signal to the HDMI switching module and the USB switching module respectively; at the same time, the signal switching module receives instructions from the key instruction interface and transmits them to the first processor, the first processor identifies and processes the instructions and outputs switching signals to the HDMI switching module and the USB switching module according to a preset address rule, the HDMI switching module and the USB switching module switch the HDMI signal and the USB signal to corresponding channels respectively, the display driver module is used to transmit the LVDS signal generated by the LVDS signal synthesis module to the display module, the HUB driver module increases the working voltage of the USB signal to 5V, and further amplifies the USB signal and separates it into three USB signals, which are respectively used to supply the keyboard, the touchpad and the external interface.

[0012] Furthermore, the signal processing board of the KVM switching module also includes an HDMI signal access module, a USB signal access module, an EDID signal module, a keyboard and mouse control module, and an audio separation module. The HDMI signal access module is connected to the composite aviation plug connector and the HDMI switching module, the USB signal access module is connected to the composite aviation plug connector and the USB switching module, and the audio separation module is connected to the first processor; The HDMI signal access module is used to receive the HDMI signal and output it to the HDMI switching module; The USB signal access module receives the USB signal and outputs it to the USB switching module; The EDID signal module is used to connect to the 4MB NOR Flash via SPI to read the set EDID information; The audio separation module is used to connect RDA3118E, RDA3118E and SPK_L / R, extract the audio data from the HDMI signal and transmit it to the external speaker for playback.

[0013] Furthermore, the KVM switch module supports the connection of multiple external devices and multiple operating systems, including WINDOWS, LINUX, Kylin and Kylin operating systems, and supports one set of keyboard and touchpad to control up to 16 hosts.

[0014] Further, the NVR module includes a second processor and a storage module, a clock module, an external connection module and a high-speed data bus PCIe bus connected thereto, and the second processor includes a power management module; The storage module combines a high-speed cache SSD and a large data capacity HDD and supports RAID technology to store videos; The clock module is used to provide a clock signal for the second processor; The external connection module includes a POWER interface, a GMACI interface, a POE module, a USB interface and an HDMI interface. The POWER interface is used to connect to the power management module in the second processor to monitor the input and conversion detection of the power supply. The GMACI interface is used to connect to the Ethernet interface to perform bidirectional transmission of Ethernet high-speed data. The USB interface is used to connect to the converted 1-way USB interface of the KVM switching module to perform keyboard and mouse operation of the NVR system. The HDMI interface is used to connect to the converted 1-way HDMI interface of the KVM switching module to display the NVR system screen. The high-speed data bus and PCIe bus are used to connect to the external storage controller, and the storage interface is used to connect to the storage hard disk; The second processor connects to the external camera through the POE module, receives the real-time video stream sent by the camera, analyzes the video stream signal, adjusts the storage location and priority of the data according to the video analysis results and the policy set by the user, stores the video data in a high-speed SSD or a large-capacity HDD, and compresses and optimizes the stored video data.

[0015] Furthermore, the power module includes an AC / DC power supply, a filter, a power management chip and a military-grade wiring harness. The AC / DC power supply adopts a redundant design, with 20% capacity reserved. The voltage adaptation range is AC185V~AC264V, and the frequency adaptation range is 45Hz~55Hz. The filter uses a linear power filter to reduce conducted interference and improve sensitivity. The power management chip manages power supply and timing control for each module, and the military-grade wiring harness ensures that the power module provides stable and reliable power support.

[0016] Furthermore, the health reporting module includes a third processor, a sampling module, a storage module and a network module. The third processor adopts a single-chip integrated chip. The third processor pre-stores the parameters for normal operation of the equipment, compares the working status of each module inside the system through a sampling frequency of 1S / time, and generates a health form for each module and supports reporting to the upper-level platform through the network.

[0017] Furthermore, the third processor of the health reporting module continuously obtains the working voltage connection status and the device connection status from the KVM switching module, the NVR module and the power module through the sampling module, including the connection status of the KVM switching module's multiple external devices that are connected to the outside to transmit HDMI and USB signals, the working power supply of the NVR module and the multiple external device connections connected to the NVR module network port, and the input power supply voltage of the power module. The third processor encodes the working voltage data and the device connection status data, stores the encoded data in a database and uploads it to the upper-level platform through the network module. The third processor obtains the current working voltage and device connection status data of each module in real time through the sampling module, and compares it with the corresponding data in the database of the storage module, obtains abnormal information and uploads it to the upper-level platform through the network module. The upper-level platform displays the operating status information of each module in real time, including the working voltage stability, the changing trend of the device connection status and the abnormal information. When the third processor detects an abnormality, it automatically triggers the alarm mechanism and sends early warning information to relevant personnel through system notification.

[0018] Furthermore, the third processor of the health reporting module has a data analysis function, which can conduct in-depth analysis on the acquired historical data, identify potential failure modes or performance degradation trends, and provide a basis for preventive maintenance.

[0019] Beneficial effects of the present invention: 1. The present invention adopts modular design, and multiple functional modules can be integrated into a 2U space with high integration, meeting the different usage requirements of users.

[0020] 2. The present invention can integrate the monitoring and health reporting functions with the current video switching and keyboard and mouse control functions to achieve more comprehensive system management.

[0021] 3. The present invention adds a health reporting module, which can identify the healthy working status of each module in the system and feed it back to the upper-level platform, which is suitable for remote monitoring, troubleshooting, and accurate positioning of faults in each functional module. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The present invention is a structural block diagram of a flight training KVM monitoring integrated device.

[0023] Figure 2 The present invention is a structural block diagram of a KVM switching module signal processing board of a flight training KVM monitoring integrated device.

[0024] Figure 3 The present invention is a structural block diagram of an NVR module system of a flight training KVM monitoring integrated device.

[0025] Figure 4 The present invention is a structural block diagram of a health reporting module of a flight training KVM monitoring integrated device.

[0026] Figure 5 The present invention is a structural schematic diagram of a flight training KVM monitoring integrated device.

[0027] In the figure, 1 is the KVM switching module, 2 is the NVR module, 3 is the health reporting module, 4 is the power module, 5 is the display screen, 6 is the keyboard, 7 is the touchpad, and 8 is the external key switching module. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and a preferred implementation manner.

[0029] refer to Figure 1 A flight training KVM monitoring integrated device, characterized in that it includes a KVM switching module 1, an NVR module 2, a health reporting module 3, a power module 4, a display screen 5, a keyboard 6 and a touch pad 7, the KVM switching module 1 is connected to the NVR module 2 and the health reporting module 3; the KVM switching module 1 is used to connect to an external device, receive 12 HDMI and USB signals input from the outside, the NVR module 2 receives camera data from the switch POE connection, receives and stores input video stream signals, the display screen 5 is connected to the NVR module 2 and the health reporting module 3, the KVM switching module 1 is connected to the keyboard 6 and the touch pad 7, and the KVM switching module 1 includes a key command interface for receiving issued commands; The power module 4 is used to connect the main power supply to supply power to the KVM switch module 1, the NVR module 2, the display screen 5 and the health reporting module 3. After power supply, the external 12-channel HDMI and USB signals and the 1-channel signal of the NVR module 2 are processed by the KVM switch module 1 and switched to one channel of HDMI and USB signals. The HDMI signal is sent to the display screen 5 for display, and the USB signal is sent to the keyboard 6 and the touchpad 7. The KVM switch module 1 converts and processes the HDMI signal and outputs the LVDS signal format to the display screen 5. The KVM switch module 1 receives the command input through the key command interface and performs the corresponding switching operation. The NVR module 2 receives the camera's Video stream signal, analyze the video stream signal and store video data, the video stream signal is transmitted to the display screen 5 through the KVM switching module 1, the display screen 5 displays the video screen, the health reporting module 3 performs a power-on self-test after all modules are turned on, the power-on self-test includes detecting the voltage of the main power supply and the power supply voltage of the NVR, the health reporting module 3 starts automatic detection, the automatic detection includes detecting the device connection status of the switch POE, and the device connection status of the multi-channel HDMI+USB of the KVM switching module 1 and the 1-channel NVR module 2, and the status information and detection results of each module are packaged and reported to the upper-level platform. In this embodiment, the upper-level platform refers to the monitoring center.

[0030] Specifically, NVR module 2 uses Huawei HiSilicon chip, which can display the camera screen smoothly. It is equipped with an 8T hard disk to store video records ≥ 72h (the bit rate of four cameras is 8Mbps). When the capacity is full, it can automatically overwrite the earliest time video and support double-speed playback.

[0031] Specifically, the KVM switching module 1 includes a signal processing board, which includes an image scaling module, a brightness and color correction module, an OSD interface generation module and an LVDS signal synthesis module, which is used to convert the format of the HDMI signal, generate an OSD interface and synthesize LVDS signals for display on the display screen 5, process the instructions received by the key command interface and perform corresponding switching of multiple HDMI and USB signals to a single HDMI and USB signal. The image scaling module and the brightness and color correction module are used to adjust the video quality.

[0032] refer to Figure 2The signal processing board of the KVM switching module 1 also includes a first processor, a composite aviation plug connector, a signal switching module, a display driver module and a HUB driver module. The composite aviation plug connector is connected to a signal isolator and a signal amplifier. The signal amplifier is connected to the signal isolator and the signal switching module. The first processor is connected to the signal switching module, the display driver module and the HUB driver module. The signal switching module includes an HDMI switching module and a USB switching module. The HDMI switching module and the USB switching module are connected to an external key switching module 8 through a key command interface. The key command interface specifically adopts a GIPO interface. The external key switching module 8 is connected to a physical key, and the display driver module is connected to the display module. The HUB driver module is used to connect the keyboard 6, the touchpad 7 and the external interface; The composite aviation plug connector receives a composite signal including HDMI and USB, and the composite signal is separated into HDMI signal and USB signal by a signal isolator, and the HDMI signal and USB signal are amplified by a signal amplifier, and the composite aviation plug connector outputs the separated HDMI signal and USB signal to the HDMI switching module and the USB switching module respectively; at the same time, the signal switching module receives the instruction of the key instruction interface and transmits it to the first processor, the first processor identifies and processes the instruction and outputs the switching signal to the HDMI switching module and the USB switching module according to the preset address rule, the HDMI switching module and the USB switching module respectively switch the HDMI signal and the USB signal to the corresponding channels, the display driving module is used to transmit the LVDS signal generated by the LVDS signal synthesis module to the display module, the HUB driving module increases the working voltage of the USB signal to 5V, and further amplifies the USB signal and separates it into three USB signals, which are respectively used to supply the keyboard 6, the touch pad 7 and the external interface; the KVM switching module 1 of the present invention enhances the input signal and sends it to the signal processing board for processing, and finally displays it on the liquid crystal screen. In view of the phenomenon that the keyboard and mouse are prone to malfunction on conventional products, a method of adding a USB hub is adopted to ensure the stable transmission of the signal and the normal operation of the equipment. In addition, the module is also designed with a fault detection mechanism, which can monitor the signal transmission status in real time. Once an abnormality is detected, the third processor will immediately report to the upper-level platform to analyze the problem so that the user can take timely measures. In terms of design, each module of the signal processing board uses a highly integrated chip to reduce the volume and power consumption of the circuit board, while improving the response speed of the system. Both the HDMI switching board and the USB switching board support hot-swap functions, so that users can replace or upgrade related hardware at any time without turning off the power, greatly improving the flexibility and maintainability of the system. In order to adapt to the usage requirements in different environments, the KVM switching module 1 also has a manual switching mode. In manual mode, the user can control the switching of the signal through an external button; in summary, the KVM switching module 1 of the present invention provides users with an efficient, stable and convenient signal switching solution by optimizing the signal processing process, enhancing the stability of signal transmission, providing a flexible operation mode and supporting remote control.

[0033] Continue to refer Figure 2 The signal processing board of the KVM switching module 1 also includes an HDMI signal access module, a USB signal access module, an EDID signal module and an audio separation module. The HDMI signal access module is connected to the composite aviation plug connector and the HDMI switching module, the USB signal access module is connected to the composite aviation plug connector and the USB switching module, and the audio separation module is connected to the first processor; The HDMI signal access module is used to receive the HDMI signal and output it to the HDMI switching module; The USB signal access module receives the USB signal and outputs it to the USB switching module; The EDID signal module is used to connect to the 4MB NOR Flash via SPI to read the set EDID information; The audio separation module is used to connect RDA3118E, RDA3118E and SPK_L / R, extract the audio data from the HDMI signal and transmit it to the external speaker for playback.

[0034] Specifically, the first processor has a built-in intelligent signal monitoring and adjustment mechanism to ensure the stability and efficiency of data transmission. This mechanism can monitor the quality and strength of HDMI and USB signals in real time. Once signal attenuation or interference is detected, it will immediately start the adaptive adjustment program to optimize signal parameters to ensure clear image display without lag, while ensuring the plug-and-play function and data transmission rate of USB devices.

[0035] In this embodiment, the KVM switch module 1 is connected to a total of 13 external hosts, forming an input channel for 12 HDMI and USB signals and 1 NVR module 2 signal. The signal switching module of the KVM switch module 1 supports the connection of multiple external devices, and is used for signal switching between different external devices and display screens 5 and hosts. It supports multiple operating systems, including WINDOWS, LINUX, Zhongbiao Kylin and Galaxy Kylin operating systems, and supports a set of keyboards 6 and touchpads 7 to control up to 16 hosts. The KVM switch module 1 adopts a plug-and-play design, which is easy to operate and supports WINDOWS, LINUX, Zhongbiao Kylin and Galaxy Kylin operating systems. In addition, the module supports the use of a set of keyboards 6 and touchpads 7 between no more than 16 hosts.

[0036] In this embodiment, the plug-and-play design of the KVM switch module 1 allows the user to conveniently connect and switch multiple external hosts. The working principle is as follows: 1. Hardware detection: The KVM switch module 1 identifies the connected external host through a built-in hardware detection mechanism. This process involves signal detection and identification at the hardware level.

[0037] 2. Operating system response: After detecting a new device, the KVM switch module 1 sends a notification to the connected computer operating system. In an operating system that supports plug-and-play technology, the operating system will start the plug-and-play manager.

[0038] 3. Driver installation: The Plug and Play Manager will automatically search for and install drivers for new devices. This process may involve selecting a suitable driver from the driver library that comes with the operating system, or downloading and installing the latest driver from the Internet.

[0039] 4. Device configuration: After the driver is installed, the operating system will configure the device, including resource allocation (such as I / O ports, interrupt request lines, memory addresses, etc.) and device parameter settings to ensure the normal operation of the device.

[0040] 5. User Interaction: In some cases, if the operating system cannot automatically find a suitable driver or requires additional configuration by the user, the system will prompt the user to perform manual settings.

[0041] 6. Device activation: After the device configuration is completed, it can be used by the operating system and the user. In this embodiment, the user can use a set of keyboard 6 and touch pad 7 to control any connected host.

[0042] refer to Figure 3 , the NVR module 2 includes a second processor and a storage module, a clock module, an external connection module and a high-speed data bus PCIe bus connected thereto, and the second processor includes a power management module; The storage module combines a high-speed cache SSD and a large data capacity HDD and supports RAID technology to store videos; the clock module is used to provide a clock signal for the second processor; the external connection module includes a POWER interface, a GMACI interface, a POE module, a USB interface and an HDMI interface. The POWER interface is used to connect to the power management module in the second processor to monitor the input and conversion detection of the power supply. The GMACI interface is used to connect to the Ethernet interface, the Ethernet interface is connected to the network device, and the high-speed data of the network device and the device are transmitted bidirectionally. The USB interface is used to connect to the converted 1-way USB interface of the KVM switching module 1 to operate the NVR system with a keyboard and mouse. The HDMI interface is used to connect to the converted 1-way HDMI interface of the KVM switching module 1 to display the NVR system screen; the high-speed data bus and the PCIe bus are used to connect to the external storage controller, and the storage interface is used to connect to the storage hard disk; the second processor is connected to the external camera through the POE module, receives the real-time video stream sent by the camera, analyzes the video stream signal, adjusts the storage location and priority of the data according to the video analysis results and the policy set by the user, stores the video data in a high-speed SSD or a large-capacity HDD, and compresses and optimizes the stored video data.

[0043] The second processor specifically uses Huawei HiSilicon's Hi35 series chips for multi-threaded data processing and analysis. This series of chips usually integrates a high-performance ARM processor core and a dedicated video encoding hardware accelerator, and supports H.264 and H.265 encoding. The chip has sufficient interfaces, such as USB, PCIe, SATA, Ethernet, etc., to meet the needs of the NVR module 2. The present invention uses Huawei HiSilicon chips and provides sufficient power and heat dissipation solutions. The power supply and heat dissipation solution is intended to provide a stable and reliable power supply for the NVR module 2 and its related components, ensure the normal operation of key components such as Huawei HiSilicon series chips, use high-efficiency power conversion technology to reduce energy loss, improve the efficiency of the power system, and implement a comprehensive power management strategy, including overvoltage, overcurrent and short-circuit protection mechanisms, to ensure system safety and stability. Design a power architecture with redundant characteristics to enhance system reliability. In terms of heat dissipation, an active heat dissipation solution is adopted, including a heat sink and a fan system, a reasonable heat dissipation path is planned, a high thermal conductivity material thermal paste is used, and a temperature monitoring system is deployed to monitor the temperature status of key components in real time. At the same time, optimize the internal layout of the chassis or equipment to promote air circulation, reduce thermal resistance, and improve overall heat dissipation performance.

[0044] The software design of NVR module 2 adopts real-time video analysis algorithm, intelligent storage management algorithm and data compression and optimization algorithm. The real-time video analysis algorithm is based on Huawei HiSilicon chip; the intelligent storage management algorithm automatically adjusts the storage location and priority of data according to the importance and access frequency of video content; the data compression and optimization algorithm can reduce storage space occupancy and bandwidth consumption.

[0045] The relevant software process of NVR module 2: start NVR module 2, load the operating system and driver, receive the real-time video stream sent by the external camera connected to it, quickly analyze the video stream based on Huawei HiSilicon chip, store the video data in high-speed SSD or large-capacity HDD according to the video analysis results and the policy set by the user, compress and optimize the stored video data to save storage space, connect NVR module 2 to the remote server through the network, and the user can view the video stream and analysis results through the remote access interface.

[0046] The power module 4 of the present invention includes an AC / DC power supply, a filter, a power management chip and a military wiring harness. The AC / DC power supply adopts a redundant design and reserves 20% of the capacity. The voltage adaptation range is AC185V~AC264V, and the frequency adaptation range is 45Hz~55Hz. It has a wider adaptation range and a more stable output. The filter uses a linear power filter with a higher filtering effect and lower electrical noise, which is used to reduce conducted interference and improve sensitivity; the power management chip uses a single-chip microcomputer produced by GigaDevice to perform power supply management and timing control on each module.

[0047] refer to Figure 4 The health reporting module 3 of the present invention includes a third processor, a sampling module, a storage module and a network module. The third processor adopts a single-chip integrated chip. The third processor pre-stores the parameters for the normal operation of the equipment, compares the working status of each module inside the system through a sampling frequency of 1S / time, generates a health form for each module and supports reporting to the upper-level platform through the network.

[0048] The third processor of the health reporting module 3 continuously obtains the working voltage and device connection data from the KVM switching module 1, the NVR module 2 and the power module 4, including the multi-channel connection status of the KVM switching module 1 and the external device connection status for transmitting HDMI and USB signals, the working power supply of the NVR module 2 and the multi-channel external device connection status connected to the network port of the NVR module 2, and the input power supply voltage of the power module 4. The third processor encodes the working voltage data and the device connection data, stores the encoded data in a database and uploads it to the operation and maintenance platform. The third processor obtains the current working voltage and device connection data of each module in real time, and compares them with the corresponding data in the database to obtain abnormal information. The operation and maintenance platform displays the operating status information of each module in real time, including the working voltage stability, the changing trend of the device connection status and the abnormal information. When the third processor detects an abnormality, it automatically triggers the alarm mechanism and sends early warning information to relevant personnel through system notification.

[0049] The third processor of the health reporting module 3 has a data analysis function, which can conduct in-depth analysis of the acquired historical data, identify potential failure modes or performance degradation trends, and provide a basis for preventive maintenance. Based on these analysis results, operation and maintenance personnel can formulate maintenance plans in advance and take corresponding measures to avoid or reduce service interruptions caused by equipment failures, thereby improving the stability and reliability of the overall system.

[0050] To ensure data security and privacy, all collected, stored and transmitted data are strictly encrypted in compliance with industry standards and legal and regulatory requirements to ensure that no sensitive information is leaked during monitoring and maintenance.

[0051] The present invention uses a watchdog program to prevent the health reporting program from entering an unexpected cycle and causing the system to crash. When the system is abnormal, the sampling can be interrupted and restarted. In the running state, the dog feeding operation is performed with a cycle of 10ms. Once the program runs away and cannot feed the dog within the overflow time, it will be soft reset to achieve the protection function.

[0052] refer to Figure 5The KVM switching module 1, NVR module 2, health reporting module 3, power module 4, keyboard 6 and external key switching module 8 of the flight training KVM monitoring integrated device provided by the present invention are all loaded in a 2U chassis 9. The external key switching module 8 is used to facilitate the staff to issue instructions for switching devices. A movable rod is arranged in the middle of the 2U chassis 9. The display screen 5 is rotatably connected to the rod. When in use, the staff moves the rod to change the position of the display screen 5 for viewing. The touch pad 7, keyboard 6 and external key switching module 8 are arranged on one side of the chassis to facilitate interaction with the operator. The KVM switching module 1, NVR module 2, power module 4 and health reporting module 3 are arranged on the other side of the chassis.

[0053] The present invention integrates multiple functional modules in a 2U space with high integration, which meets the different usage requirements of users and saves equipment space in the cabinet. The added system health reporting function satisfies users' status monitoring of equipment in the cabin and improves the testability and maintainability of the entire project.

[0054] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications are also within the scope of protection of the present invention.

Claims

1. A flight training KVM monitoring integrated device, characterized in that: The invention comprises a KVM switching module (1), an NVR module (2), a health reporting module (3), a power module (4), a display screen (5), a keyboard (6) and a touch pad (7), wherein the KVM switching module (1) is connected to the NVR module (2) and the health reporting module (3); the KVM switching module (1) is used to connect to an external device and receive multiple HDMI and USB signals input from the outside; the NVR module (2) receives camera data from a POE connection of a switch and receives and stores input video stream signals; the display screen (5) is connected to the NVR module (2) and the health reporting module (3); the KVM switching module (1) is connected to the keyboard (6) and the touch pad (7); and the KVM switching module (1) comprises a key command interface for receiving issued commands; The power supply module (4) is used to connect the main power supply to supply power to the KVM switching module (1), the NVR module (2), the display screen (5) and the health reporting module (3). After power supply, the external multiple HDMI and USB signals and the signal of one NVR module (2) are processed by the KVM switching module (1) and switched into one HDMI and USB signal. The HDMI signal is sent to the display screen (5) for display, and the USB signal is sent to the keyboard (6) and the touch pad (7). The KVM switching module (1) converts and processes the HDMI signal and outputs the LVDS signal format to the display screen (5). The KVM switching module (1) receives the command input through the key command interface and performs the corresponding switching operation. The VR module (2) receives the video stream signal of the camera in real time, analyzes the video stream signal and stores the video data. The video stream signal is transmitted to the display screen (5) via the KVM switch module (1). The display screen (5) displays the video image. The health reporting module (3) performs a power-on self-test after all modules are turned on. The power-on self-test includes detecting the voltage of the main power supply and the power supply voltage of the NVR. The health reporting module (3) starts automatic detection. The automatic detection includes detecting the device connection status of the switch POE, and the device connection status of the multiple HDMI+USB of the KVM switch module (1) and the one-channel NVR module (2). The status information and detection results of each module are packaged and reported to the upper-level platform.

2. A flight training KVM monitoring integrated device according to claim 1, characterized in that: The KVM switching module (1) comprises a signal processing board, which comprises an image scaling module, a brightness and color correction module, an OSD interface generation module and an LVDS signal synthesis module, and is used for converting the format of an HDMI signal, generating an OSD interface and synthesizing LVDS signals for display on a display screen (5), processing commands received by a key command interface and performing corresponding switching of multiple HDMI and USB signals to a single HDMI and USB signal, and the image scaling module and the brightness and color correction module are used for adjusting video quality.

3. A flight training KVM monitoring integrated device according to claim 2, characterized in that: The signal processing board of the KVM switching module (1) further comprises a first processor, a composite aviation plug connector, a signal switching module, a display driver module and a HUB driver module, the composite aviation plug connector is connected to a signal isolator and a signal amplifier, the signal amplifier is connected to the signal isolator and the signal switching module, the first processor is connected to the signal switching module, the display driver module and the HUB driver module, the signal switching module comprises an HDMI switching module and a USB switching module, the HDMI switching module and the USB switching module are connected to an external key switching module (8) via a key command interface, the display driver module is connected to the display module, and the HUB driver module is used to connect to a keyboard (6), a touch panel (7) and an external interface; The composite aviation plug connector receives a composite signal including HDMI and USB, the composite signal is separated into an HDMI signal and a USB signal by a signal isolator, the HDMI signal and the USB signal are amplified by a signal amplifier, and the composite aviation plug connector outputs the separated HDMI signal and USB signal to an HDMI switching module and a USB switching module respectively; at the same time, the signal switching module receives an instruction from a key instruction interface and transmits it to a first processor, the first processor identifies and processes the instruction and outputs a switching signal to the HDMI switching module and the USB switching module according to a preset address rule, the HDMI switching module and the USB switching module respectively switch the HDMI signal and the USB signal to corresponding channels, the display driver module is used to transmit the LVDS signal generated by the LVDS signal synthesis module to the display module, the HUB driver module increases the working voltage of the USB signal to 5V, and further amplifies the USB signal and separates it into three USB signals, which are respectively used to supply the keyboard (6), the touch panel (7) and the external interface.

4. A flight training KVM monitoring integrated device according to claim 3, characterized in that: The signal processing board of the KVM switch module (1) further comprises an HDMI signal access module, a USB signal access module, an EDID signal module and an audio separation module, wherein the HDMI signal access module is connected to the composite aviation plug connector and the HDMI switch module, the USB signal access module is connected to the composite aviation plug connector and the USB switch module, and the audio separation module is connected to the first processor; The HDMI signal access module is used to receive the HDMI signal and output it to the HDMI switching module; The USB signal access module receives the USB signal and outputs it to the USB switching module; The EDID signal module is used to connect to the 4MB NOR Flash via SPI to read the set EDID information; The audio separation module is used to connect RDA3118E, RDA3118E and SPK_L / R, extract the audio data from the HDMI signal and transmit it to the external speaker for playback.

5. The flight training KVM monitoring integrated device according to claim 1, characterized in that: The KVM switch module (1) supports the connection of multiple external devices and multiple operating systems, including WINDOWS, LINUX, Zhongbi Kylin and Yinhe Kylin operating systems, and supports a set of keyboards (6) and touch pads (7) to control up to 16 hosts.

6. The flight training KVM monitoring integrated device according to claim 1, characterized in that: The NVR module (2) comprises a second processor and a storage module, a clock module, an external connection module and a high-speed data bus PCIe bus connected thereto, and the second processor comprises a power management module; The storage module combines a high-speed cache SSD and a large data capacity HDD and supports RAID technology to store videos; The clock module is used to provide a clock signal for the second processor; The external connection module includes a POWER interface, a GMACI interface, a POE module, a USB interface and an HDMI interface. The POWER interface is used to connect to the power management module in the second processor to monitor the input and conversion detection of the power supply. The GMACI interface is used to connect to the Ethernet interface to perform bidirectional transmission of Ethernet high-speed data. The USB interface is used to connect to the converted 1-way USB interface of the KVM switch module (1) to perform keyboard and mouse operation of the NVR system. The HDMI interface is used to connect to the converted 1-way HDMI interface of the KVM switch module (1) to display the NVR system screen. The high-speed data bus and PCIe bus are used to connect to the external storage controller, and the storage interface is used to connect to the storage hard disk; The second processor connects to the external camera through the POE module, receives the real-time video stream sent by the camera, analyzes the video stream signal, adjusts the storage location and priority of the data according to the video analysis results and the policy set by the user, stores the video data in a high-speed SSD or a large-capacity HDD, and compresses and optimizes the stored video data.

7. The flight training KVM monitoring integrated device according to claim 1, characterized in that: The power module (4) includes an AC / DC power supply, a filter, a power management chip, and a military-grade wiring harness. The AC / DC power supply adopts a redundant design, with 20% of capacity reserved. The voltage adaptation range is AC185V~AC264V, and the frequency adaptation range is 45Hz~55Hz. The filter uses a linear power filter to reduce conducted interference and improve sensitivity. The power management chip manages power supply and performs timing control on each module. The military-grade wiring harness ensures that the power module (4) provides stable and reliable power support.

8. The flight training KVM monitoring integrated device according to claim 1, characterized in that: The health reporting module (3) includes a third processor, a sampling module, a storage module and a network module. The third processor adopts a single-chip integrated chip. The third processor stores parameters for normal operation of the equipment in advance, compares the working status of each module in the system at a sampling frequency of 1S / time, generates a health form for each module and supports reporting to the upper-level platform through the network.

9. The flight training KVM monitoring integrated device according to claim 8, characterized in that: The third processor of the health reporting module (3) continuously obtains the working voltage connection status and the device connection status from the KVM switching module (1), the NVR module (2) and the power module (4) through the sampling module, including the connection status of the KVM switching module (1) with multiple external devices for externally connecting to transmit HDMI and USB signals, the working power supply of the NVR module (2) and the connection status of multiple external devices connected to the network port of the NVR module (2), and the input power supply voltage of the power module (4). The third processor encodes the working voltage data and the device connection status data, stores the encoded data in a database and uploads it to the upper-level platform through the network module. The third processor obtains the current working voltage and device connection status data of each module in real time through the sampling module, compares them with the corresponding data in the database of the storage module, obtains abnormal information and uploads it to the upper-level platform through the network module. The upper-level platform displays the operation status information of each module in real time, including the stability of the working voltage, the change trend of the device connection status and the abnormal information. When the third processor detects an abnormality, it automatically triggers the alarm mechanism and sends an early warning information to relevant personnel through the system notification method.

10. The flight training KVM monitoring integrated device according to claim 8, characterized in that: The third processor of the health reporting module (3) has a data analysis function, which performs in-depth analysis on the acquired historical data, identifies potential failure modes or performance degradation trends, and provides a basis for preventive maintenance.

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