Wireless power source transmitting device of magnetic resonance imaging system, wireless power source and magnetic resonance imaging system

The embodiment of the utility model discloses a wireless power source transmitting device of a magnetic resonance imaging system, a wireless power source and the magnetic resonance imaging system. The wireless power source transmitting device comprises a transmitting loop and at least one closed box-shaped wave trap, the transmitting loop comprises an alternating current power source input port and at least one capacitor, and the alternating current power source input port and the at least one capacitor are connected in series through a first conductor to form the transmitting loop; the main body of the box body of the closed box-shaped wave trap is a non-conductor, the outer surface of the box body is fully covered with a second conductor layer, and at least one capacitor is embedded in the second conductor layer; and the first conductor respectively passes through each closed box-shaped wave trap in the at least one closed box-shaped wave trap, and the first conductor is conducted with the second conductor