Thermal protection control circuit of water pump

• Main Authors: ZHONG SHIZHONG, CUI TAOTAO, WANG ZHIXU, LU XINKAI, ZHU SHUAI
• Format: Patent
• Language: Chinese; English
• Published: 30.06.2023
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION

The utility model relates to a water pump thermal protection control circuit, and relates to the technical field of water pumps, the water pump thermal protection control circuit comprises a thermosensitive circuit, a comparison circuit, a first filter circuit, a second filter circuit and an IPM module, the thermosensitive circuit is located in a motor, one pin of the thermosensitive circuit is connected with the input end of the first filter circuit, and the other pin of the thermosensitive circuit is connected with the input end of the second filter circuit; the comparison circuit comprises a comparator, the normal phase input end of the comparator is connected with the output end of the first filter circuit, the reverse phase input end of the comparator is connected with the output end of the second filter circuit, and the output end of the comparator is connected with a CSC port of the IPM module. The circuit has the advantage that the problem that the motor is damaged due to the fact that the motor is re