River and lake water sample automatic acquisition device based on unmanned aerial vehicle

The invention relates to a river and lake water sample automatic acquisition device based on an unmanned aerial vehicle. The river and lake water sample automatic acquisition device comprises a shell body; the upper side of the shell body is provided with a gas bag; the upper side of the gas bag is provided with a battery plate; the upper side of the battery plate is provided with a pull rod; the inner side of the shell body is provided with a motor; the left side and the right side of the shell body are symmetrically provided with sampling devices, and the outer side of each sampling device is provided with an inlet; a filter device is arranged between each inlet and each sampling device; the lower side of a bearing is provided with a first telescopic rod; two sides of the first telescopic rod are symmetrically provided with connecting rods; the outer side of each connecting rod is provided with a stirring block; the lower side of the first telescopic rod is provided with a second telescopic rod; the middle part of the inner side of the second telescopic rod is symmetrically provided with acquisition devices, and the lower side of the second telescopic rod is provided with a counterweight. By arranging the battery plate, optical energy can be well utilized to generate electricity, and the energy is saved; and by arranging the stirring blocks, impurities are better prevented from entering the acquisition devices during use, and convenience is provided for sampling.