Environment-friendly electric blanket based on piezoelectric effect

The utility model discloses an environment-friendly electric blanket based on a piezoelectric effect. The blanket comprises an upper blanket body, a lower blanket body and an electric-heat conversionlayer, a piezoelectric sensing layer is adhered to the upper part of the lower blanket body; a piezoelectric ceramic piece is mounted on the surface of the piezoelectric sensing layer; a circuit boardis mounted on the surface of the piezoelectric sensing layer on one side of the piezoelectric ceramic piece; wherein an insulating heat-insulating layer is bonded above the piezoelectric sensing layer, an electric heating conversion layer is bonded above the insulating heat-insulating layer, a soft cable type electric heating element is mounted on the surface of the electric heating conversion layer, an overheating safety thermostat is mounted on the surface of the electric heating conversion layer on one side of the soft cable type electric heating element, and an upper blanket body is bonded above the electric heati