Full-frequency-conversion water supply control equipment

The utility model relates to the field of water supply equipment, in particular to full-frequency-conversion water supply control equipment. Comprising a first water tank, a second water tank, a third water tank and a PLC, a first water inlet pipe and a first water outlet pipe are arranged on the two sides of the first water tank, the two sides of the second water tank and the two sides of the third water tank respectively, and the first water outlet pipe is connected with a first four-way connector which is connected with a first main water outlet pipe which is connected with a second four-way connector; the second four-way connector is connected with a second water inlet pipe, a third water inlet pipe and a fourth water inlet pipe, and the second water inlet pipe is connected with a large-flow water pump; the third water inlet pipe is connected with a medium-flow water pump; the fourth water inlet pipe is connected with a small-flow water pump. According to the full-frequency-conversion water supply control