Electric control waterproof plate, electric control mounting plate and air conditioner

The utility model discloses an electric control waterproof plate, an electric control mounting plate and an air conditioner. The electric control waterproof plate comprises a chassis and a coaming, the coaming surrounds the edge of the chassis and is fixedly connected with the chassis; a drainage groove is formed in the chassis, and a drainage hole is formed in one side of the coaming; a water outlet of the drainage groove is opposite to the drainage hole. According to the utility model, the electric control waterproof plate and the electric control part are optimally designed; the electric control waterproof plate is simple in overall layout, easy to machine, safe, reliable, easy to install, convenient to maintain and debug, capable of reducing cost, capable of integrally improving electric control parts and convenient and orderly in wiring of the electric control wire sets, facilitates improvement of safety of electric control, prevents water from entering the air conditioner from the outer side of the air