Automatic snow removal device and safe snow throwing method thereof

A safe snow throwing method for controlling a self-moving snow removal device to protect a human or an object from damage by snow or miscellaneous matter, wherein the self-moving snow removal device comprises a moving unit, a working unit, and a control circuit, the safe snow throwing method comprising:

• driving, by the moving unit, the self-moving snow removal device to move;
• driving, by a working motor, a snow throwing mechanism to collect accumulated snow and miscellaneous matter on a ground and throw the accumulated snow and miscellaneous matter out of the snow throwing mechanism, wherein a maximum height of a thrown object in air from the ground is referred to as a snow throwing height, the snow throwing mechanism having a safe flow guide plate at an end portion of a thrower cylinder;
• and
• controlling, by the control circuit, at least one of a rotational speed of a snow removing head and a throwing angle of the safe flow guide plate in association with the other to restrict a maximum height to be not greater than a predetermined snow throwing height safety threshold, wherein the predetermined snow throwing height safety threshold is set to a value ranging frombetvleen 0.8 meters to 1.1 meters.