Water meter upper shell with radio frequency card

The water meter upper shell with the radio frequency card comprises a protective upper shell and a bottom shell, the protective upper shell is arranged at the top of the bottom shell, an electronic display screen is fixedly installed on one side of the front face of the protective upper shell, a protective groove is formed in the front face of the protective upper shell, a protective cover is rotationally connected to one side of the interior of the protective groove, and the radio frequency card is arranged in the protective cover. According to the water meter, the water meter copper shell, the water outlet pipe, the water inlet pipe, the blow-off pipe, the first filter screen plate and the second filter screen plate are matched for use, and impurities in an input water source can be effectively filtered through the first filter screen plate and the second filter screen plate in the blow-off pipe; therefore, the problems that impurities in a water source accumulate in the pipeline to cause pipeline blockage