Anti-water-spraying type steam cleaning machine

The invention discloses an anti-water-spraying type steam cleaning machine, and belongs to the field of household appliances. The machine comprises a host housing, a heater mounted within the host housing, a water tank and a handle assembly connected to the host housing and capable of spraying steam, and further comprises an internal circulation system; the handle assembly comprises a reversing valve and a trigger; the internal circulation system comprises a steam pipeline connected between the heater and the reversing valve, a return pipeline connected between the water tank and the reversingvalve and a water outlet pipeline connected between the water tank and the heater; the reversing valve can change the flow direction of steam under the control of the trigger; and the steam cleaningmachine further comprises a frequency conversion switch used for controlling heating power of the heater so as to realize steam internal circulation of the steam cleaning machine in a standby state. According to the anti-water