Electric energy meter with big load current self preservation protects

The utility model provides an electric energy meter with big load current self preservation protects, includes the watchcase, locates metering modules, microprocessor, temperature sensor in the watchcase, is equipped with PID control module in the microprocessor, and temperature sensor and PID control module signal connection are equipped with the fixing device who is used for fixed temperature sensor in the watchcase, and fixing device includes a fixed cover, and the bleeder vent has been seted up to the lateral wall of fixed cover, the lower part of fixed cover is equipped with left limb and right limb, and the end of left limb is equipped with left pothook, and the end of right limb is equipped with right pothook, the inner wall of watchcase is equipped with the counter bore, and in the fixed lower extreme that overlaps immerse the counter bore, the both sides of counter bore were equipped with left draw -in groove and have the draw -in groove, and left draw -in groove is gone into to left pothook card, and right draw -in groove is gone into to right pothook card, temperature sensor is located fixed cover, and temperature sensor's temperature probe stretches out from the fixed upper end opening that overlaps. The utility model discloses a temperature sensor simple installation, and temperature sensor is located the difficult production of fixed cover and rocks.