Protection subassembly of constituteing by piezo -resistor and excess temperature protection subassembly

The utility model discloses a protection subassembly of constituteing by piezo -resistor and excess temperature protection subassembly, including piezo -resistor and excess temperature protection subassembly, including first piezo -resistor, first lead wire, the second lead wire, a second piezo -resistor, the third lead wire, the fourth lead wire, a third piezo -resistor, the 5th lead wire, the 6th lead wire, first excess temperature protection subassembly, the 7th lead wire, the 8th lead wire, a second excess temperature protection group subassembly, the 9th lead wire, the tenth lead wire, the 7th lead wire of first excess temperature protection subassembly, with first piezo -resistor's second lead wire, a second piezo -resistor's third lead wire forms first juncture at the junction, and the 9th lead wire of a second excess temperature protection subassembly goes between with a second piezo -resistor's piezo -resistor's fourth, and the 5th of a third piezo -resistor goes between, at junction formation second