Modular apparatus for cleaning pet toilet device

A modular apparatus for cleaning a pet toilet device, comprising,

• a pet toilet device including:
• a net on which a pet sits for defecation;
• a toilet plate for receiving excreta of the pet from the net and discharging through a drain hole, which has injection ports provided at opposite ends of the drain hole;
• a water input pipe to guide the water supplied from a sub-module to the injection ports;
• a drain pipe to discharge sewage input through the drain hole after cleaning the toilet plate;
• a transmission sensor part equipped with a transmitter for sending a signal to a reception sensor;
• a water container coupled at one side of a structure including a main module and the sub-module laminated to each other, which includes a water storage space and a lid part to be open or closed in order to supply water;
• a sub-module provided with a water pump for injecting the water, which flowed from the water container to a tank via a supply pipe, toward the toilet device through the water input pipe;
• a main module provided at a bottom of the sub-module to be removably coupled with a water input module, which includes:
• a drainage holder to receive the sewage through the drain pipe, the receiver to receive a signal from the transmitter, and the drain pump for pumping the sewage toward the drainage holder;
• and
• a controller that detects whether a pet defecates or not from a sensing signal by a sensing operation of the transmitter and the receiver, and then, controls driving of the water pump,
• wherein an air outlet extending at an angle toward an inner wall of the tank is formed at one side of a top end portion of the water input pipe so as to communicate with the same.