Sprinkling machine unit water and fertilizer automatic precise proportioning control system and control method
A ratio control, water and fertilizer technology, applied in the water and fertilizer automatic accurate ratio control system and control field of sprinkler irrigation units, can solve the problems of poor equipment control accuracy, water waste, water and fertilizer waste, etc., to achieve precise control, ensure accuracy, and ensure high efficiency
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[0015] The invention includes a filter screen 1, a reservoir 2, a water inlet 3, a water pump 4, a water outlet 5, a fertilizer tank 6, a liquid level gauge d7, a connecting rod rotor 8, a concentration meter 9, a fertilizer motor 10, and a liquid level gauge a11. Fertilizer tank N (nitrogen fertilizer) 12, level gauge b13, fertilizer tank P (phosphate fertilizer) 14, level gauge c15, fertilizer tank K (potash fertilizer) 16, solenoid valve a17, solenoid valve b18, solenoid valve c19 , Main pipeline 20, peristaltic pump 21, solenoid valve d22, water and fertilizer outlet pipeline 23, control cabinet 24. The filter screen 1 is placed in the reservoir 2 and connected to the water inlet pipe 3, the water inlet pipe 3 is connected to the water pump 4, the outlet of the water pump 4 is connected to the water outlet pipe 5, and the water outlet pipe port 5 is connected to the fertilizer tank 6. The level gauge a11 is installed on the upper end of the inside of the fertilizer liquid b...
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