Can accurate hydroponic device who detects nutrient solution liquid level and allotment

The utility model provides a can accurate hydroponic device who detects nutrient solution liquid level and allotment, the device includes the nutrient solution is placed tub, contact multistage liquidlevel detection board, singlechip, solenoid valve, circulation water pipe, basin, water pump, water planting support and water planting pipeline, the subsides of contact multistage liquid level detection board one end are put and are placed intraductally at the nutrient solution, and the other end and singlechip link to each other, the circulation water pipe divide into first -class water servicepipe and second circulation water pipe, the union coupling is placed through solenoid valve and nutrition to first -class water service pipe one end, other end connection basin, water pump, the otherend and water planting pipe connection are connected to second circulation water pipe one end. The device places the pipe through the single chip microcomputer control nutrient solution, and to go upthe solenoid valve closed,