Internet of Things gateway with multi-communication fusion and intelligent topology construction functions

By designing an IoT gateway with multiple communication fusion and intelligent topology construction functions, the traditional gateway has solved the problems of single functions, poor integration, prominent performance bottlenecks and lack of intelligent decision-making capabilities, and has achieved support for multiple communication methods and improved network stability.

CN120223464APending Publication Date: 2025-06-27欧留洋 +1
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Patent Information

Application Number
CN202510658101.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-21
Publication Date
2025-06-27

AI Technical Summary

Technical Problem

Traditional IoT gateways have single functions, poor integration, prominent performance bottlenecks, lack of intelligent decision-making capabilities, and cannot meet the diverse IoT communication needs.

Method used

Design an IoT gateway with multi-communication convergence and intelligent topology construction functions. By integrating Wi-Fi, Bluetooth, 4G, LoRa, GPS, Zigbee, Thread and other wireless communication modules, and building an automated mesh topology structure, supporting wired network connections, and having self-monitoring and security protection mechanisms.

Benefits of technology

It realizes that a gateway device supports multiple communication methods, meets the communication needs of different scenarios and devices, improves network stability and reliability, optimizes sensor network performance, and reduces system management costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an Internet of Things gateway with multiple communication fusion and intelligent topology construction functions, and relates to the technical field of gateways. An Internet of Things gateway with multiple communication fusion and intelligent topology construction functions comprises a display screen, a shell, a top mainboard, a middle mainboard and a bottom mainboard, the display screen is embedded in the middle of the upper portion of the shell, the display screen is electrically connected with the top mainboard, the middle mainboard and the bottom mainboard, and the top mainboard, the middle mainboard and the bottom mainboard are arranged in the shell. An overvoltage, overcurrent, overload and surge protection circuit is built in the gateway, all-around safety protection is provided for equipment, communication modes of Wi-Fi, Bluetooth, 4G, LoRa, Zigbee, Thread, Ethernet and the like can be flexibly switched by the gateway through multi-communication technology fusion, communication requirements of equipment in different scenes are met, a sensor network of an automatic mesh topology structure is constructed, and when a node fails or signal interference occurs, the communication mode of the equipment in different scenes can be automatically switched. And data can be automatically forwarded through other nodes, so that the network reliability and fault tolerance are greatly improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of gateways, and particularly to an Internet of Things gateway with functions of multi - communication integration and intelligent topology construction. Background Art

[0002] In recent years, the Internet of Things technology has developed rapidly, and various Internet of Things devices have emerged in an endless stream, being widely used in multiple fields. The huge scale of devices has put forward more stringent requirements for the interconnection between devices and the efficient transmission and management of data.

[0003] The demands for Internet of Things communication technologies in different application fields show diverse characteristics. In the smart home scenario, users expect to control various smart devices such as smart lights, smart door locks, and smart home appliances in the home at any time and place through terminal devices such as mobile phones, which requires stable and high - speed short - range communication technology as a support; in the field of smart agriculture, due to the vast scope of farmland and scattered distribution of devices, it is necessary to monitor environmental parameters such as soil humidity, temperature, and light in large - area farmland in real time. Therefore, long - distance and low - power communication technology has become a necessity; in the industrial automation scenario, it is required not only that devices can transmit data in real time and accurately, but also that they have high reliability and stability to ensure the normal operation of the production process.

[0004] In addition, as the Internet of Things application scenarios become more complex and diverse, the performance requirements for sensor networks are also increasing day by day. Industry 4.0 emphasizes the intelligence and automation of the production process, which requires the sensor network to be able to collect a large amount of data such as device status and production parameters in real time and accurately feedback control instructions to the executing devices. However, traditional sensor networks mostly adopt one - way transmission and simple topology structures, which cannot meet this goal.

[0005] Single function and poor integration: Most of the existing gateway devices only support one or a few communication technologies and cannot be compatible with multiple communication methods such as Wi - Fi, Bluetooth, 4G, and LoRa at the same time. This makes it necessary to deploy multiple different types of gateways to meet the communication needs of different devices in practical applications, increasing the construction cost and management difficulty of the system. Moreover, their data processing and analysis capabilities are limited, mostly only for data forwarding, and it is difficult to perform pre - processing such as filtering, aggregating, and analyzing a large amount of real - time data, and cannot provide valuable information for upper - layer applications.

[0006] Performance bottlenecks are prominent: In terms of data transmission rate, when a large number of devices are connected and data transmission is frequent, the gateway is prone to problems such as insufficient bandwidth and transmission delay. In smart homes, if multiple smart devices are controlled simultaneously, the control instructions may not be responded to in a timely manner. The network stability is also poor and is greatly affected by environmental factors (such as electromagnetic interference and signal occlusion). In complex environments such as factories and underground parking lots, the signal is easily interrupted by interference, affecting the normal communication of devices. In addition, the concurrent connection number of the gateway is limited, making it difficult to support the access of a large number of Internet of Things devices and restricting the expansion of the Internet of Things system.

[0007] Lack of intelligent decision-making ability: Most existing gateways lack intelligent decision-making ability and cannot dynamically adjust configurations and strategies according to network conditions, device status, and business requirements. For example, when there is network congestion, it cannot automatically optimize the data transmission path and priority, resulting in delays in the transmission of critical data and affecting the normal operation of the business. When a device fails, it cannot be detected and effective measures cannot be taken in a timely manner, reducing the reliability and stability of the system. Summary of the Invention

[0008] The purpose of the present invention is to provide an Internet of Things gateway with functions of multi-element communication fusion and intelligent topology construction, to solve the problems of traditional sensor networks that mostly adopt one-way transmission and simple topology structures, have single functions, poor integration, prominent performance bottlenecks, and lack of intelligent decision-making ability.

[0009] To achieve the above object, the present invention provides the following technical solutions: An Internet of Things gateway with functions of multi-element communication fusion and intelligent topology construction, including a display screen, a housing, a top main board, an intermediate main board, and a bottom main board. The display screen is embedded in the middle of the upper part of the housing, and the display screen is electrically connected to the top main board, the intermediate main board, and the bottom main board. The top main board, the intermediate main board, and the bottom main board are arranged inside the housing. The top main board is located at the upper end inside the housing, the intermediate main board is connected to the lower part of the top main board, and the bottom main board is connected to the lower part of the intermediate main board; The top main board includes a GPS core board, a 4G core board, a Lora and Zigbee core board, a CPU core board, a wired communication core board, and control buttons. The GPS core board, the 4G core board, the Lora and Zigbee core board, the CPU core board, and the wired communication core board are horizontally arranged in sequence from left to right in the center of the top main board, and several control buttons are arranged on the front of the top main board; The intermediate main board includes a GPS antenna interface, a Lora / Zigbee antenna interface, a Lora host antenna interface, a WiFi / Bluetooth antenna interface, and an RTC battery. The rear part of the intermediate main board is horizontally provided with the GPS antenna interface, the Lora / Zigbee antenna interface, the Lora host antenna interface, and the WiFi / Bluetooth antenna interface in sequence from left to right, and the RTC battery is provided on the right side of the center of the intermediate main board. The bottom main board includes a 485 communication module, a relay module, a USB debugging and USB HUB module, a power module, a bottom main board CPU, a debugging interface, a PMC data communication connector, a 485 communication interface, a relay interface, a wired communication interface, and a TYPE-C data interface. The center of the bottom main board is horizontally provided with the 485 communication module, the relay module, the USB debugging and USB HUB module, and the power module in sequence from left to right. The bottom main board CPU is provided behind the 485 communication module and the relay module, the debugging interface is provided behind the power module, the PMC data communication connector is provided on the right side of the power module, and the 485 communication interface, the relay interface, the wired communication interface, and the TYPE-C data interface are horizontally provided in sequence from left to right at the front part of the bottom main board.

[0010] Further, the housing includes a top shell, an upper waterproof rubber ring, a shell body, a bottom waterproof rubber ring, and a bottom shell. The lower part of the top shell is connected to the shell body, and the upper waterproof rubber ring is provided between the top shell and the shell body. The lower part of the shell body is connected to the bottom shell, and the bottom waterproof rubber ring is provided between the shell body and the bottom shell.

[0011] Further, the upper end of the control button passes through the upper part of the housing.

[0012] Further, an automated mesh topology level-1 module is provided in the CPU core board and the bottom main board CPU. An automated mesh topology level-2 module is provided in the GPS core board, 4G core board, Lora and Zigbee core boards, wired communication core board, 485 communication module, relay module, and USB debugging and USB HUB module. The automated mesh topology level-1 module in the CPU core board is electrically connected to the automated mesh topology level-2 modules in the GPS core board, 4G core board, Lora and Zigbee core boards, and wired communication core board. The automated mesh topology level-1 module in the bottom main board CPU is electrically connected to the automated mesh topology level-2 modules in the 485 communication module, relay module, and USB debugging and USB HUB module. The automated mesh topology level-1 module and the automated mesh topology level-2 module are electrically connected.

[0013] The beneficial effects of the present invention are as follows: Through the integration of multiple communication technologies, based on the powerful processing capabilities and rich interfaces of the ESP32, the hardware circuit is carefully designed to highly integrate multiple wireless communication modules such as Wi-Fi, Bluetooth, 4G, LoRa, GPS, Zigbee, and Thread. By optimizing the electrical connection and signal interaction between the modules, it ensures the stable operation of each communication module and minimizes mutual interference, enabling a gateway device to support multiple communication methods, breaking the limitation that traditional gateways can only adapt to a single or a few communication technologies, and meeting the communication requirements of different scenarios and devices. At the same time, a new Ethernet interface is added to support wired network connection, further expanding the network access methods to meet scenarios with extremely high requirements for network stability, such as industrial automation control centers, where low latency and high reliability of data transmission can be ensured through the wired network. Optimize the sensor network: An automated mesh topology is constructed based on the star and tree topology sensor networks to form an automated mesh topology structure. In this structure, any node is allowed to transmit data through multiple upper-level nodes. Each node only records the information of its own upper-level node without the need to maintain a complex routing table, thus significantly reducing the complexity and management cost of the network. At the same time, each node and its child nodes form a secondary tree-like network. This hierarchical structure not only simplifies the data forwarding path but also reduces the number of packet jumps in the network, thereby improving the data transmission efficiency. The patented product is built-in with multiple sensors and multiple 485 interfaces, and can directly form nodes by itself, realizing the function of integrating nodes and gateways, further strengthening the convenience and efficiency of sensor network construction.

[0014] Expansion of hardware functions: In addition to the above core functions, the patented product supports a display that can show basic information such as resolution, facilitating users to intuitively understand the device status and parameter settings. At the same time, it has strong self-monitoring capabilities, can read information such as the operating temperature and humidity of the main board, and can also read the input voltage. By real-time monitoring of these key hardware parameters, on the one hand, it helps to timely detect potential device failure hazards, such as too high main board temperature may indicate heat dissipation problems and maintenance can be carried out in advance; on the other hand, it provides data basis for device performance optimization, such as dynamically adjusting the operation frequency according to the CPU temperature to ensure the stable and efficient operation of the device.

[0015] Safety protection mechanism: It is built with overvoltage, overcurrent, overload, and surge protection circuits to provide comprehensive safety protection for the device. In complex power usage environments, such as industrial sites with frequent power grid fluctuations, these protection circuits can effectively prevent damage to the device caused by abnormal voltage increase, excessive current, overload operation, or surge impact. At the same time, it has a certain lightning protection function to ensure the hardware safety of the device, extend the service life of the device, and guarantee the long-term stable operation of the IoT system. In addition, the 485 interface supports the access of program-controlled terminal resistors, and the electrical characteristics of the interface can be flexibly adjusted according to actual communication needs, improving communication reliability, reducing signal reflection and interference, especially suitable for long-distance, multi-node 485 bus communication scenarios.

[0016] Communication flexibility and efficiency: Through the integration of multiple communication technologies, the gateway can flexibly switch communication methods such as Wi-Fi, Bluetooth, 4G, LoRa, Zigbee, Thread, and Ethernet to meet the communication needs of devices in different scenarios. In the smart home scenario, Wi-Fi is used for high-speed devices at close range, Bluetooth is used for low-power short-range devices, 4G is used for remote data interaction, and LoRa is used for long-distance low-power sensors, realizing seamless interconnection and interoperability between devices, improving the communication efficiency and stability of the IoT system, and reducing data transmission delays or interruptions caused by mismatched communication technologies.

[0017] High reliability and fault tolerance: Build a sensor network with an automated mesh topology. When a node fails or there is signal interference, data can be automatically forwarded through other nodes, greatly improving the reliability and fault tolerance of the network. In industrial environments, devices are often subject to electromagnetic interference, and traditional topology networks are easily affected. However, the patented technology of this invention can ensure stable data transmission and guarantee the normal operation of the production monitoring and management system.

[0018] The above description is only an overview of the technical solution of the present invention. In order to be able to more clearly understand the technical means of the present invention and implement it in accordance with the content of the specification, the following will be described in detail with reference to the preferred embodiments of the present invention and the accompanying drawings. Brief Description of the Drawings

[0019] Figure 1 It is an exploded view of the whole shown in an embodiment of the present invention.

[0020] Figure 2 It is a structural schematic diagram of the whole shown in an embodiment of the present invention.

[0021] Figure 3 For Figure 1 The front main board structure diagram of component 3 in

[0022] Figure 4 For Figure 1 The back main board structure diagram of component 3 in

[0023] Figure 5 is Figure 1 The main board circuit diagram of the entire component 3 in

[0024] Figure 6 is Figure 1 The overall frame diagram of the main board of component 3 in

[0025] Figure 7 is Figure 1 The structural schematic diagram of component 35 and the LED lamp part in

[0026] Figure 8 is Figure 1 The partial schematic diagram of component 33 in

[0027] Figure 9 The schematic diagram of full - duplex communication converting to half - duplex communication shown in an embodiment of the present invention.

[0028] Figure 10 is Figure 1 The partial schematic diagram of components 30, 31, and 32 in

[0029] Figure 11 is Figure 1 The partial schematic diagram of component 35 and the SIM card part in

[0030] Figure 12 is Figure 1 The partial schematic diagram of component 34 in

[0031] Figure 13 is Figure 1 The partial schematic diagram of the front - end TypeC of component 3 in

[0032] Figure 14 is Figure 1 The front - side core board structure diagram of component 33 in

[0033] Figure 15 is Figure 1 The core board schematic diagram of component 33 in

[0034] Figure 16 is Figure 1 The front - side structure diagram of component 31 in

[0035] Figure 17 is Figure 1 The back - side structure diagram of component 31 in

[0036] Figure 18 is Figure 1 The frame diagram of component 31 in

[0037] Figure 19 is Figure 1 The schematic diagram of component 31 (Air780EG) in

[0038] Figure 20 For Figure 1 The schematic diagram of component 31 (Air780E) in

[0039] Figure 21 For Figure 1 The schematic diagram of the antenna part of component 31 in

[0040] Figure 22 For Figure 1 The schematic diagram of the SIM card part of component 31 in

[0041] Figure 23 For Figure 1 The schematic diagram of the LED and button parts of component 31 in

[0042] Figure 24 For Figure 1 The front structure diagram of component 32 in

[0043] Figure 25 For Figure 1 The back structure diagram of component 32 in

[0044] Figure 26 For Figure 1 The schematic diagram of component 32 in

[0045] Figure 27 For Figure 1 The schematic diagram of the SX1261 / 2 part of component 32 in

[0046] Figure 28 For Figure 1 The front structure diagram of component 30 in

[0047] Figure 29 For Figure 1 The schematic diagram of component 30 in

[0048] Figure 30 For Figure 1 The front structure diagram of component 54 in

[0049] Figure 31 For Figure 1 The schematic diagram of component 54 in

[0050] Figure 32 For Figure 1 The front structure diagram of component 34 in

[0051] Figure 33 For Figure 1 The schematic diagram of component 34 in

[0052] Description of the drawing reference numerals: 1, display screen; 2, housing; 3, top main board; 4, middle main board; 5, bottom main board; 20, top housing; 21, upper waterproof rubber ring; 22, housing main body; 23, bottom waterproof rubber ring; 24, bottom housing; 30, GPS core board; 31, 4G core board; 32, Lora and Zigbee core board; 33, CPU core board; 34, wired communication core board; 35, control button; 40, GPS antenna interface; 41, Lora / Zigbee antenna interface; 42, Lora host antenna interface; 43, ; WiFi / Bluetooth antenna interface 44, RTC battery; 50, 485 communication module; 51, relay module; 52, USB debugging and USBHUB module; 53, power module; 54, bottom main board CPU; 55, debugging interface; 56, PMC data communication connector; 57, 485 communication interface; 58, relay interface; 59, wired communication interface; 60, TYPE-C data interface. Detailed implementation manners

[0053] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0054] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0055] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0056] In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0057] Please refer to Figure 1 1. An Internet of Things gateway with functions of multi - communication fusion and intelligent topology construction shown in a preferred embodiment of the present application, characterized in that it includes a display screen 1, a housing 2, a top - layer main board 3, a middle - layer main board 4, and a bottom - layer main board 5. The display screen 1 is embedded in the middle of the upper part of the housing 2, and the display screen 1 is electrically connected to the top - layer main board 3, the middle - layer main board 4, and the bottom - layer main board 5. The inside of the housing 2 is provided with the top - layer main board 3, the middle - layer main board 4, and the bottom - layer main board 5. The top - layer main board 3 is located at the upper end inside the housing 2. The lower part of the top - layer main board 3 is connected to the middle - layer main board 4, and the lower part of the middle - layer main board 4 is connected to the bottom - layer main board 5; The top - layer main board 3 includes a GPS core board 30, a 4G core board 31, a Lora and Zigbee core board 32, a CPU core board 33, a wired communication core board 34, and control buttons 35. Horizontally from left to right at the center of the top - layer main board 3 are successively arranged the GPS core board 30, the 4G core board 31, the Lora and Zigbee core board 32, the CPU core board 33, and the wired communication core board 34. At the front of the top - layer main board 3 are provided several control buttons 35; The middle - layer main board 4 includes a GPS antenna interface 40, a Lora / Zigbee antenna interface 41, a Lora host antenna interface 42, a WiFi / blue - tooth antenna interface 43, and an RTC battery 44. Horizontally from left to right at the rear of the middle - layer main board 4 are successively arranged the GPS antenna interface 40, the Lora / Zigbee antenna interface 41, the Lora host antenna interface 42, and the WiFi / blue - tooth antenna interface 43. At the right side of the center of the middle - layer main board 4 is provided the RTC battery 44; The bottom - layer main board 5 includes a 485 communication module 50, a relay module 51, a USB debugging and USB HUB module 52, a power module 53, a bottom - layer main - board CPU 54, a debugging interface 55, a PMC data communication connector 56, a 485 communication interface 57, a relay interface 58, a wired communication interface 59, and a TYPE - C data interface 60. Horizontally from left to right at the center of the bottom - layer main board 5 are successively arranged the 485 communication module 50, the relay module 51, the USB debugging and USB HUB module 52, and the power module 53. At the rear side of the 485 communication module 50 and the relay module 51 is provided the bottom - layer main - board CPU 54. At the rear side of the power module 53 is provided the debugging interface 55. At the right side of the power module 53 is provided the PMC data communication connector 56. Horizontally from left to right at the front of the bottom - layer main board 5 are successively arranged the 485 communication interface 57, the relay interface 58, the wired communication interface 59, and the TYPE - C data interface 60.

[0058] The housing 2 includes a top housing 20, an upper waterproof rubber ring 21, a housing main body 22, a bottom waterproof rubber ring 23, and a bottom housing 24. The lower part of the top housing 20 is connected to the housing main body 22, and an upper waterproof rubber ring 21 is provided between the top housing 20 and the housing main body 22. The lower part of the housing main body 22 is connected to the bottom housing 24, and a bottom waterproof rubber ring 23 is provided between the housing main body 22 and the bottom housing 24.

[0059] The upper end of the control button 35 passes through the upper part of the housing 2.

[0060] The CPU core board 33 and the bottom main board CPU 54 are provided with an automated mesh topology primary module. The GPS core board 30, 4G core board 31, Lora and Zigbee core board 32, wired communication core board 34, 485 communication module 50, relay module 51, USB debugging and USB HUB module 52 are provided with an automated mesh topology secondary module. The automated mesh topology primary module in the CPU core board 33 is electrically connected to the automated mesh topology secondary modules in the GPS core board 30, 4G core board 31, Lora and Zigbee core board 32, and wired communication core board 34. The automated mesh topology primary module in the bottom main board CPU 54 is electrically connected to the automated mesh topology secondary modules in the 485 communication module 50, relay module 51, and USB debugging and USB HUB module 52. There is an electrical connection between the automated mesh topology primary module and the automated mesh topology secondary module.

[0061] A SIM card slot is provided at the rear of the 4G core board 31.

[0062] Three Type-C interfaces are provided at the front of the control button 35.

[0063] The 4G core board 31 can be any one of Air780EG and Air780E. In the embodiment of the present invention, it is Air780EG.

[0064] In summary, the present invention provides an Internet of Things gateway with functions of multi - communication fusion and intelligent topology construction. Through the integration of multiple communication technologies, based on the powerful processing ability and rich interfaces of ESP32, the hardware circuit is carefully designed to highly integrate multiple wireless communication modules such as Wi - Fi, Bluetooth, 4G, LoRa, GPS, Zigbee, and Thread. By optimizing the electrical connection and signal interaction between modules, it ensures the stable operation of each communication module and minimizes mutual interference, enabling a gateway device to support multiple communication methods, breaking the limitation that traditional gateways can only adapt to single or a few communication technologies, and meeting the communication requirements of different scenarios and devices. At the same time, a new Ethernet interface is added to support wired network connection, further expanding the network access method to meet scenarios with extremely high requirements for network stability, such as industrial automation control centers, where low - latency and high - reliability data transmission can be ensured through the wired network. Optimize the sensor network: Automatically construct a mesh topology. Based on a star - shaped and tree - shaped topology sensor network, an automated mesh topology structure is constructed. In this structure, any node is allowed to transmit data through multiple upper - level nodes. Each node only records the information of its own upper - level node without maintaining a complex routing table, thus significantly reducing the complexity and management cost of the network. At the same time, each node and its child nodes form a secondary tree - shaped network. This hierarchical structure not only simplifies the data forwarding path but also reduces the number of packet jumps in the network, thereby improving the data transmission efficiency. The patented product has multiple built - in sensors and multiple 485 interfaces, which can directly form nodes by itself, realizing the function of integrating nodes and gateways, and further strengthening the convenience and efficiency of sensor network construction.

[0065] Expansion of hardware functions: In addition to the above - mentioned core functions, the patented product supports a display that can show basic information such as resolution, facilitating users to intuitively understand the device status and parameter settings. At the same time, it has a strong self - monitoring ability, capable of reading information such as the operating temperature and humidity of the main board, and can also read the input voltage. By real - time monitoring these key hardware parameters, on the one hand, it helps to promptly discover potential equipment failure hazards, such as too high main board temperature may indicate a heat dissipation problem and maintenance can be carried out in advance; on the other hand, it provides data basis for equipment performance optimization, such as dynamically adjusting the operation frequency according to the CPU temperature to ensure the stable and efficient operation of the device.

[0066] Safety protection mechanism: Built-in overvoltage, overcurrent, overload, and surge protection circuits to provide comprehensive safety protection for the device. In complex power usage environments, such as industrial sites with frequent power grid fluctuations, these protection circuits can effectively prevent damage to the device caused by abnormally high voltage, excessive current, overload operation, or surge impact. At the same time, it has a certain lightning protection function to ensure the safety of the device hardware, extend the service life of the device, and ensure the long-term stable operation of the IoT system. In addition, the 485 interface supports the access of programmed terminal resistors, which can flexibly adjust the electrical characteristics of the interface according to actual communication needs, improve communication reliability, reduce signal reflection and interference, and is especially suitable for long-distance, multi-node 485 bus communication scenarios.

[0067] Communication flexibility and efficiency: Through the integration of multiple communication technologies, the gateway can flexibly switch communication methods such as Wi-Fi, Bluetooth, 4G, LoRa, Zigbee, Thread, Ethernet, etc. to meet the communication needs of devices in different scenarios. In the smart home scenario, Wi-Fi is used for high-speed devices at close range, Bluetooth is used for low-power short-range devices, 4G is used for remote data interaction, and LoRa is used for long-distance low-power sensors, achieving seamless interconnection and interoperability between devices, improving the communication efficiency and stability of the IoT system, and reducing data transmission delays or interruptions caused by mismatched communication technologies.

[0068] High reliability and fault tolerance: Build a sensor network with an automated mesh topology. When a node fails or there is signal interference, data can be automatically forwarded through other nodes, greatly improving the reliability and fault tolerance of the network. In an industrial environment, devices are often affected by electromagnetic interference, and traditional topology networks are easily affected. However, the patented technology of this patent can ensure stable data transmission and guarantee the normal operation of the production monitoring and management system.

[0069] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

Claims

1. An Internet of Things gateway with multi-communication fusion and intelligent topology construction functions, characterized in that: The invention comprises a display screen (1), a shell (2), a top main board (3), an intermediate main board (4), and a bottom main board (5); the display screen (1) is embedded in the middle of the upper part of the shell (2); the display screen (1) is electrically connected to the top main board (3), the intermediate main board (4), and the bottom main board (5); the top main board (3), the intermediate main board (4), and the bottom main board (5) are arranged inside the shell (2); the top main board (3) is located at the upper end of the shell (2); the lower part of the top main board (3) is connected to the intermediate main board (4); and the lower part of the intermediate main board (4) is connected to the bottom main board (5); The top mainboard (3) comprises a GPS core board (30), a 4G core board (31), a Lora and Zigbee core board (32), a CPU core board (33), a wired communication core board (34), and control buttons (35); the center of the top mainboard (3) is provided with the GPS core board (30), the 4G core board (31), the Lora and Zigbee core board (32), the CPU core board (33), and the wired communication core board (34) in sequence from left to right, and a plurality of control buttons (35) are provided at the front of the top mainboard (3); The intermediate main board (4) comprises a GPS antenna interface (40), a Lora / Zigbee antenna interface (41), a Lora host antenna interface (42), a WiFi / Bluetooth antenna interface (43), and an RTC battery (44); the GPS antenna interface (40), the Lora / Zigbee antenna interface (41), the Lora host antenna interface (42), and the WiFi / Bluetooth antenna interface (43) are sequentially arranged at the rear of the intermediate main board (4) from left to right, and the RTC battery (44) is arranged on the right side of the center of the intermediate main board (4); The bottom mainboard (5) comprises a 485 communication module (50), a relay module (51), a USB debugging and USBHUB module (52), a power module (53), a bottom mainboard CPU (54), a debugging interface (55), a PMC data communication connector (56), a 485 communication interface (57), a relay interface (58), a wired communication interface (59), and a TYPE-C data interface (60). The center of the bottom mainboard (5) is provided with the 485 communication module (50), the relay module (51), the USB debugging and USBHUB module (52), a power module (53), a bottom mainboard CPU (54), a debugging interface (55), a PMC data communication connector (56), a 485 communication interface (57), a relay interface (58), a wired communication interface (59), and a TYPE-C data interface (60) in order from left to right. and a USBHUB module (52), a power module (53), the bottom mainboard CPU (54) is arranged at the rear side of the 485 communication module (50) and the relay module (51), the debugging interface (55) is arranged at the rear side of the power module (53), the PMC data communication connector (56) is arranged at the right side of the power module (53), and the front part of the bottom mainboard (5) is provided with the 485 communication interface (57), the relay interface (58), the wired communication interface (59), and the TYPE-C data interface (60) in sequence from left to right in the horizontal direction.

2. The Internet of Things gateway with multiple communication fusion and intelligent topology construction functions as claimed in claim 1, characterized in that: The housing (2) comprises a top shell (20), an upper waterproof rubber ring (21), a shell body (22), a bottom waterproof rubber ring (23), and a bottom shell (24); the lower portion of the top shell (20) is connected to the shell body (22); the upper waterproof rubber ring (21) is provided between the top shell (20) and the shell body (22); the lower portion of the shell body (22) is connected to the bottom shell (24); and the bottom waterproof rubber ring (23) is provided between the shell body (22) and the bottom shell (24).

3. The Internet of Things gateway with multiple communication fusion and intelligent topology construction functions as claimed in claim 1, characterized in that: The upper end of the control button (35) passes through the upper part of the housing (2).

4. The Internet of Things gateway with multiple communication fusion and intelligent topology construction functions as claimed in claim 1, characterized in that: The CPU core board (33) and the bottom mainboard CPU (54) are provided with an automated mesh topology primary module. The GPS core board (30), the 4G core board (31), the Lora and Zigbee core boards (32), the wired communication core board (34), the 485 communication module (50), the relay module (51), the USB debugging and USBHUB module (52) are provided with an automated mesh topology secondary module. The automated mesh topology primary module in the CPU core board (33) is electrically connected to the automated mesh topology secondary modules in the GPS core board (30), the 4G core board (31), the Lora and Zigbee core boards (32), and the wired communication core board (34). The automated mesh topology primary module in the bottom motherboard CPU (54) is electrically connected to the automated mesh topology secondary module in the 485 communication module (50), the relay module (51), and the USB debugging and USBHUB module (52). The automated mesh topology primary module is electrically connected to the automated mesh topology secondary module.