Double-bin water supply device

The utility model discloses a double-bin water supply device which comprises a non-negative-pressure tank, a compensation tank and a water outlet pipe, the non-negative-pressure tank, the compensation tank and the water outlet pipe are all in a long strip shape, and the non-negative-pressure tank, the compensation tank and the water outlet pipe are arranged in parallel in the length direction. The corresponding ends of the non-negative pressure tank, the compensation tank and the water outlet pipe are provided with a water inlet, a first connecting pipe and a water outlet respectively, one end of the first connecting pipe is connected to one end of the compensation tank, and the other end of the first connecting pipe extends, is connected to the lateral position of the water outlet pipe and is perpendicular to the water outlet pipe; at least one second connecting pipe is arranged at the bottom of the non-negative-pressure tank in the length direction of the non-negative-pressure tank, one end of the second co