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The Importance of IoT Technology in Factory Environment Monitoring and Protection

Currently, IoT technology is playing an increasingly important role in environmental monitoring and security protection. Since IoT technology is based on multiple access technologies such as wireless communication technology, sensor network technology and radio frequency identification technology, it can interconnect a large amount of data and electronic devices in the environment to form a large-scale virtual network and apply it to industry In environmental monitoring and protection, there is no need to install monitoring detectors on pipelines as in the past, and then collect information to the node control center through physical lines, which can greatly save the cost of physical line erection. Therefore, the Internet of Things plays a very important role in industrial automation, daily life, environmental monitoring, military, medical and other fields.


1. Internet of Things system

In order to meet the application requirements of factory environment monitoring and security protection, most IoT systems are designed into at least two layers: the wireless sensor network acquisition layer and the application layer information management platform.

(1) Wireless sensor network acquisition layer

A collaborative sensing transmission mechanism based on group discussion and secure authentication is required. Through empirical analysis and simulation results, the accuracy of sensor network monitoring and early warning can be effectively improved, the false alarm of disasters can be reduced, and nodes can be prevented from being maliciously invaded, thereby reducing losses.

(2) Application layer information integration management platform

The main function is to complete the storage, analysis and disaster warning tasks of the data collected by the sensor network, and to provide macro monitoring and management of the status of the environmental monitoring network for the environmental management personnel in the plant area.

For example, Founder Group has developed an intelligent management system for petroleum products using IoT technology. Through wireless communication and cloud control technology, it overcomes the challenges of weather and terrain obstacles encountered in normal data collection, and reduces management labor costs. Sinopec Group will utilize the existing information and systems of the pipeline storage and transportation branch, combined with the Internet of Things, exchange and share the collected data through optimized solutions, and analyze mobile applications to establish optimized energy-saving and HSE early warning crude oil logistics management integrated platform to create green, low-carbon and efficient crude oil logistics.

2. The Internet of Things and monitoring equipment work together

The combination of the Internet of Things and monitoring equipment can realize real-time monitoring of various key indicators in the industrial production process. For example, enterprises install wireless sensor equipment at the exit of heavy pollutants, which can not only monitor the discharge of pollutants in real time, but also remotely close the discharge outlet to prevent sudden environmental pollution accidents; it can also adjust the production process by feeding back the parameters of the control system related controls in order to effectively reduce pollutant emissions. For example, Formosa Plastics Liu Qing has partnered with the Environmental Protection Agency. Collaborate to monitor organic pollutant emissions online in real time.

3. Existing problems

The stability and accuracy of the wireless signal must be guaranteed. Although IoT technology has provided a lot of help for the safety monitoring of the factory environment, thereby making factory automation more effective and safe, there are still some problems that need to be avoided. If you want to avoid the risk of sparks caused by signal transmission when digital wireless communication leaks flammable gas, or how to overcome the impact of bad weather on wireless signal transmission, especially to ensure the stability and accuracy of the signal, this is difficult to overcome in the future. The problem.