Internet of Things water meter with descaling function

The internet of things water meter with the descaling function comprises a water meter body, descaling mechanisms, a brush body and an impeller, the impeller is arranged in the center of the interior of the water meter body, magnets are arranged on the two sides of the top of the impeller, the descaling mechanisms are arranged in the positions, on the two sides of the impeller, of the water meter body, and the brush body is arranged in the water meter body. And brush bodies are arranged on the two sides of the descaling mechanism through buffer sleeves, a base plate is arranged at the top end of the interior of the water meter body, a circuit board is fixed to the top of the base plate, and magnetoresistive sensors are arranged at the two ends of the bottom of the base plate. By installing the water meter body, the impeller, the descaling mechanism, the driving gear, the driven gear, the rotating shaft and the brush bodies, water flow enters the water meter body to drive the impeller to rotate, the driving ge