Underground mining, by its nature, presents a range of health and safety hazards that are different from those in other sectors. Some hazards, such as ground instability, are inherent in the underground environment. Others are introduced through complex mining activities and processes, which bring potential hazards into the underground environment including health hazards. Risks can increase as mines get deeper and more expansive. If these hazards are not managed properly using appropriate controls, they can result in serious traumatic injuries, death or occupational illness.
The project uses a gas sensor, temperature and humidity sensor and light sensor to detect any sign of danger. The data from the sensors is sent to a computer through radio communication for continuous monitoring. The data acquired from the sensors is continuously logged in an excel sheet and if sensor data exceeds pre-determined values, a buzzer is activated to alert the mine workers. As a demonstration of radio communication, 434 MHZ RF module is used in the project. The module can transmit data over a distance of 50-60 meter typically and with the use of an antenna and proper transmission power, it can transmit data over 300 to 350 meter distance. On building actual emergency system from the prototype, other advanced radio communication module can be used.
The Project works in the following manner:
- Connect the receiver to the computer using USB cable. This is used to power the system and for the serial communication.
- Turn ON both the transmitter A and B. Now automatically data will start receiving in the receiving end and start printing on the XLS sheet.
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