Automatic-film-uncovering soap film flowmeter

The utility model provides an automatic-film-uncovering soap film flowmeter which comprises a soap film pipe, a soap film producing device and a soap film recycling device. The soap film producing device comprises a soap liquid pipe and an air incoming pipe which is arranged on the upper portion of the soap liquid pipe, the soap film recycling device comprises a soap film recycling cover, a soap film recycling pipe and a soap film recycling cup, one end of the soap liquid recycling pipe is connected with the soap liquid recycling cover at the top of the soap film pipe while the other end of the same extends into the soap liquid recycling cup, the soap liquid recycling cup is filled with soap liquid, the bottom end of the soap liquid pipe is connected to the side wall of the bottom of the soap film recycling cup, and liquid level of the soap liquid and the top end of an air inlet of the air incoming pipe are at a same height. A principle of a communicating device is adopted to realize a mode of automatic film