Smart canteens are our usual home appliances, but after some time of use, there are a lot of accidents with smart canteens, some of which break fuses, some of which show signs that the lights are not on, some of which even fail, or if the power is not cut automatically after the water turns on, which means that smart canteens are broken and need to be repaired。In general, the thermostats of the electric kettle are basically sld thermostats