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The monitoring of smelterSmelter wedges in aluminium smeltersAluminium smelter plays a critical role in ensuring process integrity and human safetySafety. Specifically, tracking both temperature and voltage dropVoltage drop across wedges provides valuable insights into the condition of mechanical and electrical contacts. Wiring of these sensorsSensors is not a real option while battery-operated sensorsSensors would require checking batteries each time before installation and making sure enough energyEnergy remains for data measurementMeasurements and wirelessWireless transmission throughout its usage. A better approach in terms of sustainabilitySustainability and performance is the usage of thermal energy harvestingEnergy harvesting as the power source for wedges monitoringWedges monitoring nodes. Each node contains a supercapacitor as an electrical storage unit and will allow data monitoring, processingProcessing, and transmission at one-minute interval or less, using LoRaWAN® wirelessWireless protocol. This wirelessWireless, self-powered, and real-time monitoring system can proactively identify and address any deviations from optimum, ensuring smoother operations and minimizing manpower.

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Monitoring Temperature and Voltage Drop Across Wedges Using Self-Powered Wireless Sensors

  • 会议论文

  • 发表日期：

    2026年

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  • Anthony Desgouilles,
  • Hervé Roustan,
  • Dimitri Tainoff,
  • Hervé Deslandes,
  • Nicolas Lopez,
  • Anaïs Proudhom,
  • Daniel Martel,
  • Marc Bernard,
  • Pierre-Luc Voyer,
  • Yannick Bouchard,
  • David Larouche

摘要

The monitoring of smelterSmelter wedges in aluminium smeltersAluminium smelter plays a critical role in ensuring process integrity and human safetySafety. Specifically, tracking both temperature and voltage dropVoltage drop across wedges provides valuable insights into the condition of mechanical and electrical contacts. Wiring of these sensorsSensors is not a real option while battery-operated sensorsSensors would require checking batteries each time before installation and making sure enough energyEnergy remains for data measurementMeasurements and wirelessWireless transmission throughout its usage. A better approach in terms of sustainabilitySustainability and performance is the usage of thermal energy harvestingEnergy harvesting as the power source for wedges monitoringWedges monitoring nodes. Each node contains a supercapacitor as an electrical storage unit and will allow data monitoring, processingProcessing, and transmission at one-minute interval or less, using LoRaWAN® wirelessWireless protocol. This wirelessWireless, self-powered, and real-time monitoring system can proactively identify and address any deviations from optimum, ensuring smoother operations and minimizing manpower.