Microfluidic device for detecting and maintaining indexes of fermented wine

The invention discloses a microfluidic device for detecting and maintaining indexes of fermented wine, which comprises a main body assembly, the main body assembly comprises a sphere, a first autonomous sliding ring is rotatably connected outside the sphere, and a plurality of first motion sliding blocks capable of sliding along the inner wall of the first autonomous sliding ring are arranged in the first autonomous sliding ring; the detection and maintenance index assembly comprises a plurality of liquid inlet pipes arranged outside the ball body, a ph detection box and a liquid storage box are arranged in the ball body, a plurality of ph detection pieces in one-to-one correspondence with the liquid inlet pipes are arranged in the ph detection box, liquid inlet flow channels in one-to-one correspondence with the liquid inlet pipes are formed in the ball body, and the liquid outlet ends of the liquid inlet pipes are connected with the ph detection pieces through the corresponding liquid inlet flow channels; a