Internet of Things comprehensive practice teaching platform

Abstract

The utility model discloses a comprehensive practical teaching platform for the Internet of Things, and relates to the technical field of the Internet of Things, and the platform comprises a PCB and a control unit disposed on the PCB. The control unit comprises an IOT server module, an OPC UA human-computer interface module, an RS232 display screen module, a LoRa module, a DL / T645 digital electric energy meter module, a TCP / IP network camera module, a Modbus RTU bar code recognizer module and a Modbus TCP radio frequency recognizer module. The IOT server module is electrically connected with the OPC UA human-computer interface module, the RS232 display screen module, the DL / T645 digital electric energy meter module, the Modbus RTU bar code recognizer module and the Modbus TCP radio frequency recognizer module through serial ports, and the LoRa module and the TCP / IP network camera module are connected with the IOT server module through network ports. Learning equipment in the aspect of Internet of Things can be provided for students, the integration level is high, the testability is high, and the expansibility is high.

Description

Technical Field

[0001] The present application relates to the field of Internet of Things technology, and in particular to a comprehensive practical teaching platform for the Internet of Things. Background Art

[0002] The Internet of Things technology is a network that uses information sensing devices to achieve comprehensive interconnection between people, people and things, and things and things according to agreed protocols. Its main characteristics are to obtain various information about the physical world through radio frequency identification, sensors, etc., combine the Internet, mobile communication networks and other networks to transmit and interact with information, and use intelligent computing technology to analyze and process information, thereby improving the ability to perceive the material world and realizing intelligent decision-making and control.

[0003] The existing Internet of Things system platforms on the market are basically composed of a pile of sensors, controllers, RFID devices and other corresponding equipment in terms of structure. They cannot show the structure of the Internet of Things and cannot help students to recognize and understand the structure of the Internet of Things system. The existing Internet of Things comprehensive teaching experimental platforms are merely demonstrations of Internet of Things technology and cannot achieve teaching results. The teaching projects cannot cultivate students' professional skills. Utility Model Content

[0004] In view of this, this application provides an Internet of Things comprehensive practical teaching platform to solve the technical problems that the existing Internet of Things system platform cannot display the Internet of Things structure, cannot help students to recognize and understand the Internet of Things system structure; cannot achieve teaching results, and the teaching projects cannot achieve professional training for students.

[0005] To achieve the above objectives, the present invention provides the following technical solutions: an IoT comprehensive practical teaching platform, which supports multiple courses and is a comprehensive training platform for IoT application technology majors and related majors. It includes: a PCB board and a control unit disposed on the PCB board;

[0006] The control unit includes an IOT server module, an OPC UA human-machine interface module, an RS232 display module, a LoRa module, a DL / T645 digital energy meter module, a TCP / IP network camera module, a Modbus RTU barcode reader module, and a Modbus TCP radio frequency identifier module;

[0007] The IoT server module is electrically connected to the OPC UA human-machine interface module, RS232 display module, DL / T645 digital energy meter module, Modbus RTU barcode reader module, and Modbus TCP radio frequency identifier module through the serial port. The LoRa module and TCP / IP network camera module are both connected to the IoT server module through the network port.

[0008] Furthermore, it also includes a BACnet TCP remote IO acquisition module and an analog IO debugging module, and the BACnet TCP remote IO acquisition module and the analog IO debugging module are both electrically connected to the IOT server module through the serial port.

[0009] Furthermore, the OPC UA human-machine interface module includes an industrial touch display, a network port module and a serial port module.

[0010] Furthermore, the RS232 display screen module includes an LCD serial port display screen.

[0011] Furthermore, the LoRa module includes a LoRa module receiving end module, a LoRa module transmitting end module and a USB to TTL serial port module.

[0012] It can be seen from the above technical solution that the advantages of the utility model are:

[0013] 1. This application provides an engineering practice innovation platform for a multi-protocol network integrated Internet of Things system architecture, which can provide students with a learning environment for the Internet of Things with high integration, strong testability, strong scalability, and ease of use.

[0014] 2. The device of the utility model covers multiple levels of Internet of Things technology, including knowledge of multiple Internet of Things protocol communications, involving multiple courses, and has a certain technical breadth. It supports students in various technical levels of Internet of Things technology to conduct basic, comprehensive, and course-level project training, and has good breadth of technical training resources; and combines the two major backbone technologies of Internet of Things technology, namely wireless sensor network technology and RFID technology, so it can support training of simulated actual, highly comprehensive large-scale projects, and has good depth of technical training resources; it has more training projects, excellent technical performance, low price, and extremely high cost performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings that constitute a part of this application are used to provide further understanding of this application. The illustrative embodiments of this application and their descriptions are used to explain this application and do not constitute improper limitations on this application.

[0016] Figure 1 This is a schematic diagram of the composition structure of an Internet of Things comprehensive practical teaching platform of this utility model.

[0017] Figure 2 This is another structural diagram of the present utility model. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of this application more clear, the following further describes this application in detail in conjunction with the embodiments and drawings. Here, the illustrative embodiments of this application and their descriptions are used to explain this application, but are not intended to limit this application.

[0019] refer to Figures 1 to 2 The device includes: a PCB board and a control unit arranged on the PCB board. The control unit includes an IoT server module, an OPC UA human-machine interface module, an RS232 display module, a LoRa module, a DL / T645 digital energy meter module, a TCP / IP network camera module, a Modbus RTU barcode identifier module, a Modbus TCP radio frequency identifier module, a BACnet TCP remote IO acquisition module, and an analog IO debugging module. The IoT server module is electrically connected to the OPC UA human-machine interface module, the RS232 display module, the DL / T645 digital energy meter module, the Modbus RTU barcode identifier module, and the Modbus TCP radio frequency identifier module via a serial port. The LoRa module and the TCP / IP network camera module are both connected to the IoT server module via a network port. The BACnet TCP remote IO acquisition module and the analog IO debugging module are both electrically connected to the IoT server module via a serial port.

[0020] like Figure 2 As shown, the IoT server module can communicate with a computer via a switch. The module includes two RS485 interfaces, one RS232 interface, Wi-Fi (AP+Station), network ports (one WAN and one LAN), and 4G. The computer's software platform supports visual programming, web configuration, multi-brand PLC protocol communication, various network protocols (MQTT / HTTP / TCP / UDP / WEB SOCKET / Alibaba Cloud IoT Platform / OneNET), and multiple industry protocols (DLT645 / CJ188 / HJ212 / IEC104). It also features remote operation and maintenance, remote management, remote upgrades, virtual network ports, virtual serial ports, and a time series database. The IoT server module connects to the other modules mentioned above via serial and network ports, communicating, exchanging data, and displaying data with each module using the corresponding protocols. This provides students with an IoT learning environment with high integration, strong testability, strong scalability, and ease of use.

[0021] Specifically, the OPC UA human-machine interface module includes an industrial touch screen, an Ethernet port module, and a serial port module. The 4.3-inch industrial touch screen communicates with the IoT server module via the OPC UA protocol, enabling data exchange, data interface display, and control. This module can be applied to various IoT scenarios, providing greater flexibility for teaching.

[0022] The RS232 display module includes an LCD serial port display. In this embodiment, the LCD serial port display includes a 2-line DIY liquid crystal display, which features clarity, stability, low power consumption, and flexible application. It can communicate with the IoT server module via the RS232 communication interface to display data information. It can be applied to various IoT scenarios and is more flexible for teaching.

[0023] The LoRa module includes a LoRa receiver module, a LoRa transmitter module, and a USB-to-TTL serial port module. The LoRa receiver and transmitter modules are used to transmit data from the TOT server module to the RS232 display module via the LoRa protocol. The USB-to-TTL serial port module is used to configure LoRa module parameters, allowing students to better understand and flexibly apply the LoRa module in various IoT scenarios, providing greater flexibility for teaching.

[0024] In this embodiment, the DL / T645 digital energy meter module is used for power monitoring and energy metering in power systems, the communications industry, and the construction industry. This next-generation intelligent meter integrates measurement and communication, primarily used for measuring and displaying electrical parameters such as voltage, current, power, frequency, power factor, and active energy in electrical circuits. It can be networked with an IoT server module via an RS485 communication interface. It utilizes a standard DIN 35mm rail mounting system and a modular design. Its compact size, ease of installation, and networking make it widely applicable in various scenarios, including power assessment and monitoring within industrial and mining enterprises, hotels, schools, and large public buildings, offering greater flexibility for teaching.

[0025] The TCP / IP network camera module is a 2-megapixel surveillance network camera. Its image sensor supports automatic control functions such as automatic exposure control, automatic gain control, automatic white balance, automatic light streak removal, and automatic black level calibration. It also supports color saturation, hue, gamma, and sharpness. It communicates with the TOT server module via TCP / IP and can be applied to various IoT scenarios such as smart homes and industrial environments, providing greater flexibility for teaching.

[0026] The Modbus RTU barcode reader module is a device that reads barcode information. It uses optical principles to decode the barcode content and transmits it to a TOT server module via the RS485 communication interface and the Modbus RTU protocol. It is widely used in supermarkets, express delivery logistics, libraries, and other applications to scan barcodes on products and documents. This barcode scanner can recognize various barcodes and QR codes. It can be applied to various IoT scenarios and is particularly flexible for teaching.

[0027] The Modbus TCP radio frequency identifier module supports reading and writing multiple sectors of IC cards and reading card numbers. The IC card is an S50 card with a 4-byte physical card number, which is unique and cannot be modified. Each sector has 48 bytes, and these bytes can be freely defined. Using 0 sectors and 1 blocks is fixed information and cannot be written. It communicates with the TOT server module through the Modbus TCP protocol and transmits the read data information to the platform. The application of RFID technology is very extensive, including but not limited to identity recognition, cargo identification, security authentication and data collection. It can be applied to various scenarios of the Internet of Things and is more flexible for teaching.

[0028] The BACnet TCP Remote I / O Acquisition Module communicates with the TOT server module via the BACnet TCP protocol. Four I / O modules exchange I / O data with the analog I / O debugging module through electrical connections. The BACnet TCP Remote I / O Acquisition Module supports up to 32 I / O modules and supports multiple industrial communication protocols, including MQTT, OPC UA, and BACnet / IP. It also supports integration with Alibaba Cloud, Huawei Cloud, AWS Cloud, Thingsboard, and Ignition. It features electrical isolation between the field, system, and bus sides. It supports two RJ4 ports and integrated switch functionality, enabling the creation of line topologies while eliminating switches or hubs. It also features convenient wiring and screw-free installation. Distributed I / O module systems offer high reliability, ease of expansion, setup, and convenient network cabling, making them suitable for distributed applications and widely used for data collection and various control functions. These products are widely used in industries such as the Internet of Things (IoT), smart factories, smart healthcare, smart homes, smart transportation, computer room power and environmental monitoring, power generation, oil and gas monitoring, automotive, and warehousing and logistics. They can be applied to a variety of IoT scenarios, providing greater flexibility for teaching.

[0029] The above description is merely a preferred embodiment of the present application and is not intended to limit the present application. Those skilled in the art will appreciate that various modifications and variations of the present embodiment are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A comprehensive practical teaching platform for the Internet of Things, characterized by: It includes: a PCB board and a control unit arranged on the PCB board; The control unit includes an IOT server module, an OPC UA human-machine interface module, an RS232 display module, a LoRa module, a DL / T645 digital energy meter module, a TCP / IP network camera module, a Modbus RTU barcode reader module, and a Modbus TCP radio frequency identifier module; The IOT server module is electrically connected to the OPC UA human-machine interface module, the RS232 display module, the DL / T645 digital electric energy meter module, the Modbus RTU barcode identifier module and the Modbus TCP radio frequency identifier module through a serial port, and the LoRa module and the TCP / IP network camera module are both connected to the IOT server module through a network port.

2. The Internet of Things comprehensive practice teaching platform according to claim 1, characterized in that: It also includes a BACnet TCP remote IO acquisition module and an analog IO debugging module, and the BACnet TCP remote IO acquisition module and the analog IO debugging module are both electrically connected to the IOT server module through a serial port.

3. The Internet of Things comprehensive practice teaching platform according to claim 1, characterized in that: The OPC UA human-machine interface module includes an industrial touch display, an Internet port module, and a serial port module.

4. The Internet of Things comprehensive practice teaching platform according to claim 1, characterized in that: The RS232 display screen module includes an LCD serial port display screen.

5. The Internet of Things comprehensive practice teaching platform according to claim 1, characterized in that: The LoRa module includes a LoRa module receiving end module, a LoRa module transmitting end module and a USB to TTL serial port module.

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