A multifunctional highly integrated novel communication gateway and a communication method thereof

Abstract

The application provides a multifunctional highly integrated novel communication gateway and a communication method thereof, comprising a master control module, an interface expansion module, an RS485 communication module, a wireless communication module, a gigabit Ethernet communication module and a single-chip microcomputer; the interface expansion module comprises a first hub chip and a second hub chip; the first hub chip is connected with a first USB interface and is used for expanding the first USB interface into multiple interfaces and then connecting the multiple interfaces to the RS485 communication module; the second hub chip is connected with a second USB interface and is used for expanding the second USB interface into multiple interfaces and then connecting the multiple interfaces to the gigabit Ethernet communication module; the gigabit Ethernet communication module is connected with an RGMII interface and is used for realizing multiple Ethernet communications; and the single-chip microcomputer is used for realizing signal acquisition of the master control module to external devices and issuing of control commands. The communication gateway is designed to be multifunctional and integrated in data acquisition and forwarding, video data access and display, storage and the like, so as to achieve the effect of multifunctional highly integration of the gateway.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of communication technology, in particular to a multifunctional highly integrated new type of communication gateway and a communication method thereof. BACKGROUND

[0002] In recent years, with the rapid development of social economy and science and technology, the concept of intelligent upgrading construction is highly respected in various industries. Intelligent power grid can realize intelligent monitoring and analysis of power equipment state, intelligent perception of power grid disaster, etc., thereby improving the risk research and judgment, fault discovery and disposal capacity of the power grid, and the state monitoring-based electrical equipment maintenance and operation mode has gradually become a development trend, which can better serve the construction of smart city.

[0003] However, with the acceleration of the intelligent upgrading construction process in various industries, some problems need to be solved. Problem one is that data collection is difficult. A smart project may need a variety of new detection equipment and sensors to collect information, but due to the large number of access, diversified access methods and large amount of output data of these detection equipment, combined with the complicated and inflexible wiring in some scenarios, the interface function of the existing communication gateway often cannot meet the needs, thus causing difficulty in data collection. In addition, the continuity and stability of data collection are generally high in intelligent projects, and traditional communication gateways often cannot meet these requirements of intelligent projects.

[0004] Problem two is in terms of data security, data storage and local display. Since various monitoring devices in the field of intelligent application rely heavily on data, network or delay interruption will greatly reduce the timeliness of monitoring data and greatly reduce the effectiveness of monitoring and user experience, so there is an urgent need for a gateway device that can ensure data timeliness. In some unattended substations, data is uniformly uploaded to the background, and it is often difficult to obtain effective on-site display information during local inspection, so there is an urgent need for a gateway device with on-site human-computer interaction capability.

[0005] Problem three is that the existing intelligent gateway device cannot flexibly guarantee the configuration of various communication protocols. In the field of intelligent monitoring, the access requirements of environmental control equipment require linkage control with other types of equipment, and if only relying on the SCADA (data acquisition and monitoring control) system to achieve it, the workload is large and the reliability is low.

[0006] The fourth problem is that the existing intelligent gateway device has a single function and low integration, for example, a traditional communication management machine is designed for protocol conversion of a traditional SCADA (Supervisory Control and Data Acquisition) system and cannot meet the requirements of an electrical equipment online monitoring system; and some existing intelligent gateway products are designed for Internet of Things device access and obviously lack the access capability for traditional electrical equipment and electrical online monitoring equipment.

[0007] Therefore, it is necessary to design a new type of communication gateway with multiple functions such as data acquisition and forwarding, video data access and display, data storage, edge computing and the like and a communication method thereof. SUMMARY

[0008] The application provides a multifunctional and highly integrated new type of communication gateway and a communication method thereof, which are mainly used for solving the problems of the single function of the existing communication gateway and the inability to meet the requirements of intelligent projects, so that the communication gateway has the effects of multifunctional and highly integrated data acquisition and forwarding, video data access and display, data storage, edge computing and multiple hardware and software interfaces.

[0009] The application achieves the above-mentioned purpose through the following technical solutions.

[0010] A multifunctional and highly integrated new type of communication gateway comprises a main control module, an interface expansion module, an RS485 communication module, a gigabit Ethernet communication module and a single-chip microcomputer, the main control module comprises a processor chip and an interface module, the interface module comprises a first USB interface, a second USB interface, a first RGMII interface, a second RGMII interface and a UART interface, corresponding function pins of the processor chip are connected with corresponding interfaces of the interface module respectively, the interface expansion module comprises a first hub chip and a second hub chip, the first hub chip is connected with the first USB interface and is used for expanding the first USB interface into a multi-channel interface and then connecting the multi-channel interface to the RS485 communication module, the second hub chip is connected with the second USB interface and is used for expanding the second USB interface into a multi-channel interface and then connecting the multi-channel interface to the gigabit Ethernet communication module, the gigabit Ethernet communication module is also connected with the first RGMII interface and the second RGMII interface respectively and is used for realizing multi-channel gigabit Ethernet communication, the single-chip microcomputer is connected with the UART interface and is connected with external devices through an input and output interface thereof, and the single-chip microcomputer is used for communicating with the main control module, so as to realize the acquisition of input signals of the external devices by the main control module and the issuance of control commands of output signals.

[0011] It can be seen that the communication gateway of the application can realize multi-channel RS485 communication by expanding and converting the original USB2.0 interface of the host module, the RS485 communication supports multi-node connection, a plurality of sensors and detection devices can be connected in one network, and data exchange and communication between devices can be realized, solving the problem of difficult data acquisition caused by a large number of detection devices; in addition, the RS485 communication adopts a differential signal transmission mode, which can effectively resist external electromagnetic interference, thereby ensuring the stability and reliability of data communication, and meeting the requirements of intelligent projects for data acquisition; in addition, the high data transmission rate of RS485 communication can support fast transmission of real-time data, meeting the requirements of intelligent power grids, industrial automation and other application scenarios for data transmission speed.

[0012] It can be seen that the communication gateway of the application generates a plurality of gigabit network interfaces by expanding and converting the original USB3.0 interface of the host module, in addition, a plurality of gigabit network interfaces are also provided through a gigabit Ethernet chip and a gigabit switch chip, and data transmission is carried out through two RGMII interfaces respectively, so that the communication gateway of the application has a large data interaction function, and can simultaneously meet the access requirements of a plurality of IPCs (network cameras) and communication devices through a plurality of gigabit networks.

[0013] It can be seen that the communication gateway of the application also integrates a single-chip microcomputer, and has multi-channel input and output control. For example, it can support passive alarm signal input for the input of various on-off alarm signals such as smoke, water immersion and infrared detection; for example, it can support relay control signal output for the output control of various on-off devices such as fans and lighting.

[0014] Further, the processor chip is a chip with model number RK3568J.

[0015] It can be seen that the RK3568J chip used in the communication gateway of the application integrates a dual-core architecture GPU, a high-performance VPU and a high-efficiency NPU, supports a plurality of video input and output interfaces, and can be applied to intelligent NVR, cloud terminal, Internet of Things gateway, industrial control and other scenarios, has a built-in high-efficiency NPU, supports one-key switching of mainstream architecture models such as Caffe / TensorFlow, and is suitable for lightweight AI artificial intelligence, edge computing and other application scenarios.

[0016] Further, the first USB interface is a USB2.0 interface, and the first hub chip is a USB2.0 Hub chip, which is used to expand one USB2.0 interface into four USB2.0 interfaces.

[0017] The second USB interface is a USB 3.0 interface, and the second hub chip adopts a USB 3.0 Hub chip, which is used for expanding one USB 3.0 interface into four USB 3.0 interfaces.

[0018] Further, the RS485 communication module comprises a USB-to-serial chip and an RS485 chip, the USB-to-serial chip is used for converting two USB 2.0 interfaces into multiple serial interfaces respectively and connecting to the RS485 chip, and the RS485 chip is used for converting serial signals into differential signals on an RS485 bus to realize stable long-distance data transmission.

[0019] Further, the gigabit Ethernet communication module comprises a gigabit network adapter, a gigabit PHY chip and a multi-port gigabit switch chip, the gigabit network adapter is used for converting four USB 3.0 interfaces into multiple gigabit network interfaces, the gigabit PHY chip is connected with the first RGMII interface, the multi-port gigabit switch chip is connected with the second RGMII interface and provides multiple gigabit network interfaces, and the gigabit Ethernet communication module realizes access of multiple network cameras through the multiple gigabit network interfaces.

[0020] Further, the communication gateway further comprises a wireless communication module, the wireless communication module comprises a 4G communication module and a WIFI / BT module, the 4G communication module is connected with one USB 2.0 interface expanded by the first hub chip and is used for long-distance high-speed transmission.

[0021] It can be seen that the communication gateway further integrates the 4G communication module, so that the communication gateway has a long-distance wireless communication function, the 4G communication module supports high-speed data transmission and can provide functions such as high-speed Internet access and wireless data connection; in addition, the network stability of the 4G communication module is suitable for application scenarios that need to be stably online for a long time, such as remote monitoring and Internet of Things devices, so that the continuous and reliable transmission of data can be ensured.

[0022] The interface module further comprises an SDIO interface, and the WIFI / BT module is connected with the SDIO interface or the UART interface, so as to realize wireless communication with a mobile device and realize live data viewing and configuration through the mobile device.

[0023] Further, the communication gateway further comprises a display output module, the interface module further comprises an HDMI interface, the display output module is connected with the HDMI interface to display a local UI, and is used for realizing functions such as signal viewing, opening control, communication configuration, communication state viewing and video playback.

[0024] It can be seen that the communication gateway of the application is connected with the display output module through the HDMI interface provided by the main control module, the display output module can make the gateway device have the local man-machine interaction ability by using the touch display screen, and effective monitoring data can be obtained through the man-machine interaction page when local inspection is carried out.

[0025] Further, the peripheral has a storage module, the interface module further comprises a SATA interface, the storage module is connected with the SATA interface, and is used for storing video or data and transmitting data with the main control module.

[0026] It can be seen that the SATA interface provided by the communication gateway of the application realizes the storage of a large amount of monitoring video data and the like through the external storage module, and is convenient for historical playback calling.

[0027] A communication method of a multifunctional highly integrated new type communication gateway is applied to the multifunctional highly integrated new type communication gateway, and comprises the following steps:

[0028] The RS485 communication module is used for establishing multi-channel RS485 communication with a plurality of sensors and detection devices respectively, so as to receive sensor data and detection device data, and the 4G communication module is used for establishing wireless communication with the detection device, so as to collect data of the detection device in real time, and the main control module uploads the collected data to the SCADA system, so as to realize remote monitoring and management.

[0029] The gigabit Ethernet communication module is used for establishing multi-channel Ethernet communication with a plurality of network cameras respectively, so as to receive digital signals output by the network cameras after collection, coding and compression, the main control module encodes and decodes the digital signals, and the display output module is used for real-time display, and video data is generated and stored in the storage module.

[0030] The WIFI / BT module is used for establishing wireless communication with a mobile device, and the mobile device is used for on-site data viewing and configuration.

[0031] Further, in the data transmission process, if network interruption is detected, the collected data is temporarily stored in the memory of the communication gateway, and the collected data is retransmitted to the SCADA system after the network is restored, so that the data during the network interruption is not lost, and the safety and integrity of the data are realized.

[0032] It can be seen that the communication method of the application uses the data breakpoint continuation collection technology to deal with the network interruption, so that the data transmission is no longer worried about the interruption problem, greatly reduces the risk of data loss, and guarantees the integrity and reliability of the data. In addition, the communication method also makes the data management more intelligent, and can more flexibly perform data transmission and storage, without worrying about the repeated transmission of data caused by interruption, thereby improving the efficiency and convenience of data management.

[0033] It can be seen that the application highly integrates the traditional management machine, NVR (network video recorder), data storage, on-site display, edge computing and other functions, can realize data collection and forwarding, video data access and processing and local display, storage edge computing, support multi-channel input and output signals and other functions, supports multiple communication protocols, and can flexibly guarantee the configuration of various communication protocols, to achieve the effect of multi-functional high integration of the communication gateway.

[0034] The application will be further described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 is a schematic diagram of a multifunctional highly integrated new type communication gateway of the application.

[0036] Figure 2 is a schematic diagram of an RS485 communication module of the application. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and advantages of the embodiments of the application more clear, the technical scheme of the embodiments of the application will be clearly and completely described below in combination with the drawings of the embodiments of the application. Obviously, the described embodiments are part of the embodiments of the application, rather than all the embodiments. Based on the described embodiments of the application, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the application.

[0038] A multifunctional highly integrated new type communication gateway embodiment

[0039] Referring to Figure 1The application relates to a multifunctional highly integrated novel communication gateway, which comprises a main control module 10, an interface expansion module, an RS485 communication module 30, a gigabit Ethernet communication module 40 and a single-chip microcomputer 50, the main control module 10 comprises a processor chip 11 and an interface module 12, the interface module 12 comprises a first USB interface, a second USB interface, a first RGMII interface, a second RGMII interface and a UART interface, corresponding function pins of the processor chip 11 are connected with corresponding interfaces of the interface module 12, the interface expansion module comprises a first hub chip 21 and a second hub chip 22, the first hub chip 21 is connected with the first USB interface and is used for expanding the first USB interface into a multi-way interface and then connecting the multi-way interface to the RS485 communication module 30, the second hub chip 22 is connected with the second USB interface and is used for expanding the second USB interface into a multi-way interface and then connecting the multi-way interface to the gigabit Ethernet communication module 40, the gigabit Ethernet communication module 40 is also connected with the first RGMII interface and the second RGMII interface respectively and is used for realizing multi-way gigabit Ethernet communication, the single-chip microcomputer 50 is connected with the UART interface and is connected with external devices through an input and output interface, and the single-chip microcomputer 20 is used for communicating with the main control module 10, so that the main control module 10 can collect input signals of the external devices and issue control commands of output signals.

[0040] Specifically, the single-chip microcomputer 50 of the embodiment further comprises a time correction module 51, the time correction module 51 comprises a GPS module and a B code time correction module, the GPS module performs time synchronization by receiving GPS satellite signals, and the B code time correction module performs time synchronization by receiving B code signals sent by a standard time source.

[0041] Specifically, the GPS module receives a timing broadcast message of a GPS time correction device, acquires time information from the message, and corrects the local time, and the precision is less than 1s.

[0042] Specifically, the B code time correction module receives time information sent by a standard time source in a pulse coding mode through a special hardware interface, corrects the local time, and the precision is less than 1ms.

[0043] The single-chip microcomputer 50 is connected to the RS485 chip 32 through a serial port (UART) and is configured through a serial port and a GPIO pin, so as to perform data transmission. The B code is sent into the RS485 chip 32 in a differential form, the RX pin of the RS485 chip 32 is connected to the interrupt pin INT0 of the single-chip microcomputer 50, when the INT0 pin changes from a low level to a high level, the internal timer T0 of the single-chip microcomputer 50 is started and begins to count, when the INT0 pin changes from a high level to a low level, the INT0 interrupt is triggered, and the value x of the counter is read, and the pulse width is equal to the calculation period of the counting value x.

[0044] Specifically, the embodiment also supports SNTP (Simple Network Time Protocol) to synchronize the computer clock in the Internet. By requesting time from the SNTP server on the network, the system time is corrected according to the time stamp in the interaction message and the network transmission delay, and the accurate time is calculated by a specific algorithm, and the time accuracy is generally 10-50 ms.

[0045] The application supports multiple time synchronization methods such as GPS, B code, SNTP, etc. The system can select the most suitable time synchronization method according to the actual situation. For example, in the application scenario requiring high-precision time synchronization, since the time signal provided by GPS and Beidou system has high precision and high stability, it can ensure accurate synchronization of system time, so GPS time synchronization method can be used; B code time synchronization method is suitable for application scenarios requiring higher time resolution and accuracy; in the scenario requiring time synchronization through the network, NTP / SNTP network time synchronization method provides a convenient network time synchronization solution.

[0046] The communication gateway of the application integrates a single-chip microcomputer 50, and has multi-channel incoming access and outgoing control. For example, it can support passive alarm signal input for the access of various switch quantity alarm signals such as smoke, water immersion, infrared detection, etc.; for example, it can support relay control signal output for the output control of various switch quantity devices such as fans, lighting, etc.

[0047] In the embodiment, the processor chip 11 is an RK3568J chip.

[0048] Specifically, in the embodiment, the RK3568J chip is built-in with a high-performance NPU, supports one-key switching of mainstream architecture models such as Caffe / TensorFlow, has edge computing function, and supports access of third-party AI artificial intelligence algorithm.

[0049] In the embodiment, the first USB interface is a USB2.0 interface, and the first hub chip 21 adopts a USB2.0 Hub chip to expand one USB2.0 interface into four USB2.0 interfaces.

[0050] The second USB interface is a USB3.0 interface, and the second hub chip 22 adopts a USB3.0 Hub chip to expand one USB3.0 interface into four USB3.0 interfaces.

[0051] Specifically, the embodiment also includes a program burning module 90, which performs program burning through the original one USB3.0 interface of the main control module 10.

[0052] In the embodiment, the RS485 communication module 30 comprises a USB-to-serial chip 31 and an RS485 chip 32, the USB-to-serial chip 31 is used to convert two USB2.0 interfaces into multiple serial ports and then connect to the RS485 chip 32, and the RS485 chip 32 is used to convert serial port signals into differential signals on the RS485 bus to realize stable long-distance data transmission.

[0053] Specifically, the USB-to-8 serial chip is used to convert two USB2.0 interfaces into 8 serial ports and then connect to the RS485 chip 32, so that the RS485 communication module 30 has 16 RS485 communication networks, each of which can access 25 slave devices at most and support MODBUS / IEC103 / IEC101 communication protocols.

[0054] Specifically, the RS485 communication module 30 further comprises a digital isolator 33, which is arranged between the USB-to-serial chip 31 and the RS485 chip 32 and is used to provide high-precision signal isolation to improve the reliability and stability of data transmission.

[0055] It can be seen that the communication gateway can realize multi-channel RS485 communication by expanding and converting the original USB2.0 interface of the master control module 10, the RS485 communication supports multi-node connection, can connect multiple sensors and detection devices in one network, and can realize data exchange and communication between devices, solving the problem of difficult data acquisition caused by a large number of detection device access; in addition, the RS485 communication adopts a differential signal transmission mode, which can effectively resist external electromagnetic interference, thereby ensuring the stability and reliability of data communication, and can meet the requirements of intelligent projects for data acquisition; in addition, the high data transmission rate of RS485 communication can support fast transmission of real-time data, meeting the requirements of intelligent power grids, industrial automation and other application scenarios for data transmission speed.

[0056] In the embodiment, the gigabit Ethernet communication module 40 comprises a gigabit network adapter, a gigabit PHY chip and a multi-port gigabit switch chip, the gigabit network adapter is used to convert four USB3.0 interfaces into multiple gigabit network ports, the gigabit PHY chip is connected with the first RGMII interface, the multi-port gigabit switch chip is connected with the second RGMII interface and provides multiple gigabit network ports, and the gigabit Ethernet communication module 40 realizes the access of multiple network cameras through the multiple gigabit network ports.

[0057] Specifically, the gigabit network adapter adopts a USB3.0-to-gigabit network port.

[0058] Specifically, the gigabit PHY chip of the embodiment is responsible for transmitting data signals to the physical medium and receiving signals from the physical medium, thereby ensuring that data can be effectively transmitted in different network media; the multi-port gigabit switch chip is responsible for processing and forwarding data packets, including data reception, filtering, forwarding and error detection. The gigabit PHY chip and the multi-port gigabit switch chip work together to ensure the effectiveness and efficiency of network communication.

[0059] Specifically, the embodiment adopts an 8-port gigabit switch chip to provide 8 gigabit network ports, and the gigabit network adapter converts four USB3.0 interfaces into 4 gigabit network ports, so that the gigabit Ethernet communication module 40 has 12 Ethernet communication networks, each of which supports a maximum transmission rate of 1000M and supports communication protocols such as IEC104 and 61850.

[0060] Specifically, the IPC (network camera) of the embodiment is mainly composed of an image acquisition unit, an image processing unit and a network transmission unit. The image acquisition unit is responsible for acquiring image signals from the camera and converting them into digital signals; the image processing unit processes the acquired image signals, including image compression, resolution adjustment and image enhancement; the network transmission unit transmits the processed digital signals to the RK3568J processor chip 11 through the network, the RK3568J processor chip 11 integrates a high-performance GPU and a VPU, has an independent video encoding and decoding hardware module and a standard SATA interface, and the processed digital signals are encoded and decoded through HDMI for real-time display and stored in an external large-capacity mechanical hard disk, facilitating historical playback calling and realizing real-time video and audio transmission.

[0061] Specifically, the embodiment also integrates an NVR (network video recorder) module, supports network camera access, multi-channel high-definition picture real-time preview and storage, and has a historical playback function.

[0062] Specifically, the communication gateway of the embodiment meets the access of large-bandwidth devices, and supports simultaneous preview, storage and forwarding of video data of 9 1080P high-definition cameras at most.

[0063] As can be seen, the communication gateway of the application expands and converts the original USB3.0 interface of the host module 10 to generate multiple gigabit network ports, in addition, it also provides multiple gigabit network ports through the gigabit Ethernet chip and the gigabit switch chip, and transmits data through two RGMII interfaces respectively, so that the communication gateway of the application has a large data interaction function and can meet the access requirements of multiple IPCs (network cameras) and communication devices through multiple gigabit networks at the same time.

[0064] In the embodiment, the wireless communication module includes a 4G communication module 61 and a WIFI / BT module 62, the 4G communication module 61 is connected with one USB2.0 interface extended from the first hub chip 21, and is used for long-distance high-speed transmission.

[0065] Specifically, the 4G communication module 61 supports a maximum downlink rate of 150Mbps and a maximum uplink rate of 50Mbps.

[0066] It can be seen that the communication gateway integrates the 4G communication module 61, so that the communication gateway has a long-distance wireless communication function, the 4G communication module 61 supports high-speed data transmission, and can provide functions such as high-speed Internet access and wireless data connection; in addition, the network stability of the 4G communication module 61 is suitable for application scenarios that need to be online stably for a long time, such as remote monitoring, Internet of Things devices, etc., and can ensure continuous and reliable data transmission.

[0067] The interface module 12 further includes an SDIO interface, and the WIFI / BT module 62 is connected with the SDIO interface or a UART interface, and is used for establishing wireless communication with a mobile device, so as to realize on-site data viewing and configuration through the mobile device.

[0068] Specifically, the WIFI / BT module 62 in the embodiment adopts an AP6212 module, and simultaneously supports 802.11b / g / n wireless standards. The AP6212 module is connected with the SDIO / UART interface, wireless communication between the AP6212 module and a mobile device such as a mobile phone is established, and on-site data configuration and viewing are realized through a mobile phone APP.

[0069] Specifically, the SDIO interface in the embodiment includes 4 data lines: SDIO_D0, SDIO_D1, SDIO_D2 and SDIO_D3, 1 clock line: SDIO_CLK, and 1 command line: SDIO_CMD. The SDIO has the characteristics of fast data transmission, compatibility with SD and MMC interfaces, etc.

[0070] The SDIO-Wifi module is an embedded module based on the SDIO interface and conforming to the WIFI wireless network standard, and has a built-in wireless network protocol IEEE802.11 protocol stack and a TCP / IP protocol stack, so that conversion between user main platform data and a wireless network through the SDIO interface can be realized.

[0071] In the embodiment, a display output module 70 is further included, and the interface module 12 further includes an HDMI interface, the display output module 70 is connected with the HDMI interface to display a local UI, and is used for realizing functions such as signal viewing, opening control, communication configuration, communication state viewing and video playback.

[0072] Specifically, the display output module 70 adopts a 1080P high-definition touch display screen, and has a friendly man-machine interaction page.

[0073] It can be seen that the communication gateway has the display output module 70 connected through the HDMI interface provided by the main control module 10, and the display output module 70 can make the gateway device have the on-site man-machine interaction capability by adopting the touch display screen, and when local patrol is performed, effective monitoring data can be obtained through the man-machine interaction page.

[0074] In the embodiment, the storage module 80 is externally connected, the interface module 12 further comprises a SATA interface, the storage module 80 is connected with the SATA interface, and is used for storing video or data and transmitting data with the main control module 10.

[0075] Specifically, the storage module 80 adopts a large-capacity mechanical hard disk.

[0076] It can be seen that the SATA interface provided by the communication gateway realizes storage of a large amount of monitoring video data and the like through the externally connected storage module 80, and is convenient for historical playback calling.

[0077] A communication method of a multifunctional highly integrated novel communication gateway is applied to the multifunctional highly integrated novel communication gateway, and comprises the following steps of:

[0078] The RS485 communication module 30 respectively establishes a plurality of RS485 communications with a plurality of sensors and detection devices to receive sensor data and detection device data, and establishes wireless communication with the detection device through the 4G communication module 61 to collect data of the detection device in real time, and the main control module 10 uploads the collected data to the SCADA system to realize remote monitoring and management.

[0079] The gigabit Ethernet communication module 40 respectively establishes a plurality of Ethernet communications with a plurality of network cameras to receive digital signals output by the network cameras after collection, coding and compression, the main control module 10 codes and decodes the digital signals and displays the digital signals in real time through the display output module 70, and generates video data stored in the storage module 80.

[0080] The WIFI / BT module 62 establishes wireless communication with a mobile device to realize on-site data viewing and configuration through the mobile device.

[0081] In the embodiment, if network interruption is detected during data transmission, the collected data is temporarily stored in the memory of the communication gateway, and the collected data is retransmitted to the SCADA system after network recovery, so that the data during network interruption is not lost, and the safety and integrity of the data are realized.

[0082] It can be seen that the communication method of the application uses the data breakpoint continuation collection technology to deal with the network interruption, so that the data transmission is no longer worried about the interruption problem, greatly reduces the risk of data loss, and guarantees the integrity and reliability of the data. In addition, the communication method also makes the data management more intelligent, and can more flexibly carry out data transmission and storage, without worrying about the repeated transmission of data caused by interruption, thereby improving the efficiency and convenience of data management.

[0083] It can be seen that the application highly integrates the traditional management machine, NVR (network video recorder), data storage, on-site display, edge computing and other functions, can realize data collection and forwarding, video data access and processing and local display, storage edge computing, support multi-channel input and output signals and other functions, simultaneously supports multiple communication protocols, and can flexibly guarantee the configuration of various communication protocols, to achieve the effect of multi-functional high integration of the communication gateway.

[0084] The above-mentioned embodiments are only preferred embodiments of the application, and cannot be used to limit the scope of protection of the application, and any non-essential changes and replacements made by those skilled in the art on the basis of the application belong to the scope of protection required by the application.

Claims

1. A multi-functional highly integrated novel communication gateway characterized by, It includes a master module, an interface expansion module, an RS485 communication module, a gigabit Ethernet communication module and a single-chip microcomputer, the master module includes a processor chip and an interface module, the interface module includes a first USB interface, a second USB interface, a first RGMII interface, a second RGMII interface and a UART interface, the corresponding function pins of the processor chip are connected with the corresponding interfaces of the interface module respectively, the interface expansion module includes a first hub chip and a second hub chip, the first hub chip is connected with the first USB interface and is used for expanding the first USB interface into multiple interfaces and then connecting to the RS485 communication module, the second hub chip is connected with the second USB interface and is used for expanding the second USB interface into multiple interfaces and then connecting to the gigabit Ethernet communication module, the gigabit Ethernet communication module is also connected with the first RGMII interface and the second RGMII interface respectively and is used for realizing multi-channel gigabit Ethernet communication, the single-chip microcomputer is connected with the UART interface and connects external devices through the input and output interfaces thereof, and the single-chip microcomputer is used for communicating with the master module, so that the master module realizes acquisition of input signals of the external devices and issuing of control commands of output signals.

2. The multifunctional highly integrated novel communication gateway according to claim 1, characterized in that: the processor chip adopts a chip with a model number of RK3568J.

3. The multifunctional highly integrated novel communication gateway according to claim 1, characterized in that: the first USB interface is a USB2.0 interface, and the first hub chip adopts a USB2.0 Hub chip and is used for expanding one USB2.0 interface into four USB2.0 interfaces; the second USB interface is a USB3.0 interface, and the second hub chip adopts a USB3.0 Hub chip and is used for expanding one USB3.0 interface into four USB3.0 interfaces.

4. The multifunctional highly integrated novel communication gateway according to claim 3, characterized in that: the RS485 communication module includes a USB-to-serial chip and an RS485 chip, the USB-to-serial chip is used for converting two USB2.0 interfaces into multiple serial interfaces and then connecting to the RS485 chip, and the RS485 chip is used for converting serial signals into differential signals on an RS485 bus, so as to realize stable long-distance data transmission.

5. The multifunctional highly integrated novel communication gateway according to claim 3, characterized in that: ​ The gigabit Ethernet communication module includes a gigabit network adapter, a gigabit PHY chip and a multi-port gigabit switch chip. The gigabit network adapter is used to convert four USB3.0 interfaces into multiple gigabit network interfaces. The gigabit PHY chip is connected with the first RGMII interface. The multi-port gigabit switch chip is connected with the second RGMII interface and provides multiple gigabit network interfaces. The gigabit Ethernet communication module realizes the access of multiple network cameras through the multiple gigabit network interfaces.

6. The multifunctional highly integrated novel communication gateway according to claim 3, further comprising: The wireless communication module includes a 4G communication module and a WIFI / BT module. The 4G communication module is connected with one USB2.0 interface of the first hub chip for long-distance high-speed transmission. The interface module further includes an SDIO interface. The WIFI / BT module is connected with the SDIO interface or the UART interface for establishing wireless communication with a mobile device, thereby realizing on-site data viewing and configuration through the mobile device.

7. The multifunctional highly integrated novel communication gateway according to any one of claims 1-6, further comprising: The interface module further includes an HDMI interface. The display output module is connected with the HDMI interface for local UI display and realizes signal viewing, opening control, communication configuration, communication state viewing and video playback.

8. The multifunctional highly integrated novel communication gateway according to claim 7, further comprising: The interface module further includes a SATA interface. The storage module is connected with the SATA interface for video or data storage and data transmission with the main control module.

9. A communication method of a multi-functional highly integrated novel communication gateway, characterized by, The multifunctional highly integrated novel communication gateway according to any one of claims 1-8, comprising: The RS485 communication module is connected with multiple sensors and detection devices for receiving sensor data and detection device data. The 4G communication module is connected with the detection devices for real-time data acquisition. The main control module uploads the acquired data to a SCADA system for remote monitoring and management. The gigabit Ethernet communication module is connected with multiple network cameras for receiving digital signals output by the network cameras after acquisition, encoding and compression. The main control module encodes and decodes the digital signals for real-time display through the display output module and generates video data stored in the storage module. The WIFI / BT module is connected with a mobile device for on-site data viewing and configuration through the mobile device.

10. The communication method of the multifunctional highly integrated novel communication gateway according to claim 9, further comprising: In the data transmission process, if the network interruption is detected, the collected data is temporarily stored in the memory of the communication gateway, and the collected data is retransmitted to the SCADA system after the network is restored, so that the data during the network interruption is not lost, and the safety and integrity of the data are realized.

Images