Smart Mine Solution of Zhongchuang Software Internet of Things Middleware
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1. Industry background
Coal is my country’s main energy source, accounting for about 73% of my country’s energy production and consumption. Experts predict that coal will still account for more than 50% of China’s energy consumption in the next 50 years. Although our country is rich in coal resources, the complex terrain, low level of production automation, and backward safety supervision technology have caused frequent accidents and hindered the development of the coal industry.
As an emerging industrial technology, the Internet of Things connects objects to the Internet for information exchange and communication through information sensing equipment, so as to achieve intelligent identification, positioning, tracking, monitoring and management, and truly realize the People are connected.
The concept of the Internet of Things is proposed to integrate and connect the coal industry’s underground environmental monitoring, safety production monitoring, mine disaster monitoring, and underground personnel positioning and monitoring sensor equipment into a scalable, protocol-based network system to achieve data interaction and break It overcomes the barriers of data islands in the previous coal system, enabling real-time and effective collaborative management and control between the systems to achieve intelligent mine management.
2. Smart Mine System
InforSuite IOT EdgeServer (IIES for short) is a basic middleware platform independently developed by Zhongchuang Software Commercial Middleware Co., Ltd., which is specially suitable for Internet of Things solutions. As a basic software facility, the IIES support platform can provide rapid construction of architecture support and tools for application systems. The schematic diagram of the overall structure of the smart mine developed based on IIES is shown in Figure 1.
The smart mine is divided into four parts: perception layer, network transmission layer, IoT middleware support platform layer and application layer.
Perception layer: The wiring in underground mines is very difficult. Zigbee wireless positioning network has two-way short-distance transmission, low power consumption, flexible networking, and strong network self-healing capabilities. It is very suitable for network deployment in mines. Personnel tag cards, environmental monitoring sensors, water level sensors, voltage sensors, mechanical speed sensors, etc., transmit the sensed well data to the Zigbee gateway in real time, and the gateway is responsible for unified uploading through the network transmission layer.
Network transmission layer: It mainly uses GPRS, Internet and other network technologies to realize the long-distance transmission of data collected by various types of perception layers underground to the Internet of Things middleware server on the ground.
Internet of Things middleware support platform layer: IIES provides multiple device access technologies, through different types of sensing device adapters, to obtain and analyze massive amounts of raw data. IIES provides a complex event processing engine to filter, group, correlate and aggregate the parsed data to form transparent perception data for upper-level applications. At the same time, IIES forms specific business scenario services for specific needs, and provides interface services for upper-level applications to directly subscribe.
Application layer: Based on the perception data analyzed by IIES, quickly build a mine environment monitoring system, mine personnel management and positioning system, mine equipment control system and a real-time emergency warning system. Data sharing between systems.
Figure 1 The overall architecture of the smart mine system
3. Product advantages
1. The adapter of the Internet of Things middleware shields the multiple electrical characteristics of different interfaces, and quickly obtains massive hardware perception data.
2. The event engine of the Internet of Things middleware processes and analyzes the sensed events in real time based on realistic logic to form effective data.
3. The basic services of the Internet of Things middleware quickly build specific application modules for direct subscription by the upper system.
4. The IoT middleware adopts security strategies from perception, transmission to analysis to ensure data security and effectiveness.
Fourth, the value of the program
The smart mine system based on IoT middleware has the following advantages:
● Internet of Things middleware provides plug-in technology for quickly constructing sensing device adapters, realizing zero programming of sensing device resource management by upper-level applications, and shortening the development cycle of application systems.
● Adopting a complex event processing engine, capable of processing millions of events per second in real time, effectively improving system operation speed.
● Provide a visual management platform to remotely monitor the status of the sensing equipment deployed underground in real time.
● The interactive sharing of data between the various systems of the smart mine breaks the barriers of data islands, promotes the intelligentization of mine management, effectively improves management efficiency, and enhances production safety.
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