High frequency dedusting power supply temperature measurement circuit

The utility model discloses a high frequency dedusting power supply temperature measurement circuit, it includes bridge circuit, the temperature data collection ware and the operational amplifier circuit that are connected respectively with bridge circuit, bridge circuit includes parallel resistance R77 and resistance R84 to ally oneself with resistance R77 and resistance R84 one end ground connection and as node A, parallel resistance R77 and resistance R84's other end connecting resistance R76's one end and as node B, resistance R76's other end connecting resistance R88 and as the power input end, resistance R88's the other end passes through temperature data collection ware connected node A as node C, node B is as bridge circuit's output. The utility model discloses can realize the inside transformer of high frequency dedusting power supply, IGBT module and power internal environment temperature's detection to this detection circuitry's the metastable operation of long -term essenceis realized, temperature