Double-connection type automatic drinking water tank for large-scale sheep fecal and urine prevention and water level control method thereof

The invention relates to a double-connection type automatic drinking water tank for large-scale sheep fecal and urine prevention. The double-connection type automatic drinking water tank comprises a water storage tank, the water storage tank includes two water storage tank bodies connected side by side, the middles of the water storage tank bodies are connected by a communication pipe, support legs are arranged at bottoms of the water storage tank bodies, the bottom of each water storage tank body is provided with a drain port, one of the water storage tank bodies is provided with an inlet pipe with a water-inlet magnetic valve, at least one water storage tank body is provided with a water level controller therein, a sheep fecal and urine protection barrier is arranged outside the water storage tank bodies and on the upper periphery of the water storage tank bodies and are connected to the outer wall of the water storage tank bodies via brackets, and the water-inlet magnetic valve is electrically connected wi