Marine Intelligent Distributed Temperature and Humidity Collection System Based on Narrow-Band IoT Architecture
In recent years, the rapid development of the shipping industry at sea has become an essential part of China’s economic development. Large ships carry more items, and changes in temperature and humidity in the closed cabin are especially crucial for prese
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Abstract. In recent years, the rapid development of the shipping industry at sea has become an essential part of China’s economic development. Large ships carry more items, and changes in temperature and humidity in the closed cabin are especially crucial for preserving items. To grasp the change of temperature and humidity in the cabin in time, an intelligent distributed temperature and humidity collection system based on narrowband Internet of things is designed. The system combines microprocessor module (STM32), sensor module, and narrowband Internet of things to realize a real-time collection of temperature and humidity in the cabin and alarm function when the change exceeds the threshold. The mobile APP is used to realize remote monitoring and data collection monitoring. narrowband internet of things; temperature and humidity collection; STM32; remote control. Keywords: Narrow-band Internet of Things collection STM32 Remote control
Temperature and humidity
1 Introduction Marine transport is becoming more and more critical with the development of economic globalization. Comparing with other kinds of transport, it is safer at a lower cost. Statistics show that 80% of bulk cargos in the world are transported by ship at present [1]. Because of the longtime marine transport and many cargos in transport, it is especially vital to well store cargos and knows the change of temperature and humidity in a closed cabin. Temperature and humidity sensors shall be installed in the place of cargo storage for real-time monitoring. Data shall be transmitted to users’ mobile phones by the communication device. Traditional data transmission on most ships is wired. As the ships are in complex steel structures, it is of considerable significance to develop the traditional internal communication architecture and apply narrow-band IoT technology to the communication system on ships [2]. The specific benefits include [3] low cost: comparing with wired communication, there is no need to excavate cable trench and place cable for wireless communication, which can save human resources and material resources in a large quantity; short construction period: it is challenging to place wires for a wired communication network in complex application environment on ships whereas wireless © The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2021 Q. Liu et al. (Eds.): CENet 2020, AISC 1274, pp. 1298–1307, 2021. https://doi.org/10.1007/978-981-15-8462-6_149
Marine Intelligent Distributed Temperature and Humidity Collection
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network requires an IoT architecture, which shortens the construction period, saves both time and labor in later maintenance; great flexibility: wired network is limited by cable layout and reserved ports while wireless network is not influenced by space, user increase, and port, which makes the status of equipment on ship monitored in any place at any time; high reliability: several switching nodes are needed to realize wired data transmission while reliabi
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