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Electrical fires are usually discovered
by a person smelling the burning smell or noticing flames.
However, this stage is already very prone to fire
.
A team of researchers from the Karlsruhe Institute of Technology and the University of Applied Sciences Karlsruhe has developed a hybrid sensor that detects odors emitted by overheated cables and analyzes them to determine whether they represent a possible fire
.
It is understood that this sensor consists of four regions, each region uses a different metal oxide, and in the case of contact with the gas in the four regions, different temperatures can have different resistance values
.
By circulating heating and cooling each zone, measuring the resistance value of each zone in real time, the profile
of a particular gas can be identified.
In addition to the sensor itself, each unit includes microelectronics and associated algorithms that not only detect gases, but measure them, and perform data analysis to eliminate false positives, such as carbon dioxide gas, among others
.
Once the technology matures, the team says, it can be used not only for fire detection, but also for highly toxic molds, explosive gas and natural gas leaks in fertilizer silos, and more
.
Electrical fires are usually discovered
by a person smelling the burning smell or noticing flames.
However, this stage is already very prone to fire
.
A team of researchers from the Karlsruhe Institute of Technology and the University of Applied Sciences Karlsruhe has developed a hybrid sensor that detects odors emitted by overheated cables and analyzes them to determine whether they represent a possible fire
.
It is understood that this sensor consists of four regions, each region uses a different metal oxide, and in the case of contact with the gas in the four regions, different temperatures can have different resistance values
.
By circulating heating and cooling each zone, measuring the resistance value of each zone in real time, the profile
of a particular gas can be identified.
In addition to the sensor itself, each unit includes microelectronics and associated algorithms that not only detect gases, but measure them, and perform data analysis to eliminate false positives, such as carbon dioxide gas, among others
.
Once the technology matures, the team says, it can be used not only for fire detection, but also for highly toxic molds, explosive gas and natural gas leaks in fertilizer silos, and more
.
