Automatic measuring device for output liquid of coal-bed gas well

The utility model relates to the field of liquid measurement, in particular to an automatic measuring device for output liquid of a coal-bed gas well. The automatic measuring device for the output liquid of the coal-bed gas well comprises a buffering measuring pail, a liquid inflow pipe, a liquid outflow pipe, an electronic display control device, a pressure sensor, a filter screen and an electric valve. The filter screen is horizontally arranged in the buffering measuring pail. One end of the liquid inflow pipe and one end of the liquid outflow pipe penetrate through the filter screen and are perpendicularly fixed to the filter screen, and the other end of the liquid outflow pipe is connected with the electric valve outside the buffering measuring pail. The electronic display control device is connected with the pressure sensor through a wire. The electronic display control device is connected with the electric valve through the wire. The electronic display control device is fixed outside the buffering measuring pail. The automatic measuring device for the output liquid of the coal-bed gas well has the advantages of being small in size, simple in structure, convenient to use and capable of automatically conducting measurement.