Currently, most of the industrial areas like chemistry, manufacturing, shipbuilding, and steel, perform the work related to gas, and the staffs in charge of this work have a risk of suffocation without cognizing incidents like gas leak. For example, when the nitrogen gas leaked in Paju of 2015, two ...
Currently, most of the industrial areas like chemistry, manufacturing, shipbuilding, and steel, perform the work related to gas, and the staffs in charge of this work have a risk of suffocation without cognizing incidents like gas leak. For example, when the nitrogen gas leaked in Paju of 2015, two people were killed and four people were injured. In Pohang of 2018, four workers suffocated to death from nitrogen gas. In order to solve this problem, this study realized the system in which workers could immediately cognize the gas leak and also deliver the situation to the staff in charge of safety at the same time, by installing the IoT device composed of gas sensor and communication module on the safety helmet that should be worn by field workers. This study produced ultra-small devices using MQ sensors and LED actuators on the aduino board, and the result could be attached to the helmet to develop smart helmets. The operation department was developed to recognize the leakage of gas to workers in the event of an accident by implementing a function that operates RGB LED so that data transmitted from the central system to the smartphone can be accepted from the Arduino device and users can visually determine the gas leakage immediately. The mobile development application developed a system through which users are notified of gas leakage through sound and vibration and communicate with the central system, which enabled central control of the type of control system that can identify the current location and working hours of individual workers. Prior to the development of such a system, it should be first checked in advance to prevent gas leakage accidents from occurring, but in the event of an unavoidable situation, the devices developed in this study should be used to ensure safety of the on-site workers and from further accidents. This study is expected to be able to reduce the casualties caused by gas leak in industrial sites.
Currently, most of the industrial areas like chemistry, manufacturing, shipbuilding, and steel, perform the work related to gas, and the staffs in charge of this work have a risk of suffocation without cognizing incidents like gas leak. For example, when the nitrogen gas leaked in Paju of 2015, two people were killed and four people were injured. In Pohang of 2018, four workers suffocated to death from nitrogen gas. In order to solve this problem, this study realized the system in which workers could immediately cognize the gas leak and also deliver the situation to the staff in charge of safety at the same time, by installing the IoT device composed of gas sensor and communication module on the safety helmet that should be worn by field workers. This study produced ultra-small devices using MQ sensors and LED actuators on the aduino board, and the result could be attached to the helmet to develop smart helmets. The operation department was developed to recognize the leakage of gas to workers in the event of an accident by implementing a function that operates RGB LED so that data transmitted from the central system to the smartphone can be accepted from the Arduino device and users can visually determine the gas leakage immediately. The mobile development application developed a system through which users are notified of gas leakage through sound and vibration and communicate with the central system, which enabled central control of the type of control system that can identify the current location and working hours of individual workers. Prior to the development of such a system, it should be first checked in advance to prevent gas leakage accidents from occurring, but in the event of an unavoidable situation, the devices developed in this study should be used to ensure safety of the on-site workers and from further accidents. This study is expected to be able to reduce the casualties caused by gas leak in industrial sites.
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