Electrically-assisted turbocharger

An electrically-assisted turbocharger, comprising an electrically-assisted turbocharger body (1), wherein a side of the electrically-assisted turbocharger body (1) is connected to a docking pipe (3), a side of the docking pipe (3) is connected to a sealing cover (4), a bottom of the sealing cover (4) is fixed with a purification pipe (2), two ends of the purification pipe (2) are closed, a side of the purification pipe (2) is connected to an air intake pipe (5), and an inside of the purification pipe (2) is provided with an intermittent driving element;

• a plurality of through-holes (24) penetrating into an inside of the sealing cover (4) are equidistantly defined on a top surface of the inside of the purification pipe (2), and a filtering assembly is slidably connected to an inside of each of the plurality of through-holes (24);
• a bottom surface of the inside of the purification pipe (2) defines a dust collection groove (8), a discharger device is disposed on an inside of the dust collection groove (8), a side of the dust collection groove (8) penetrates through an outside of the purification pipe (2), an outer surface of the air intake pipe (5) is fixed with a mounting plate (6), and a bottom of the mounting plate (6) is fixed with a motor (7);
• wherein the intermittent driving element comprises a rotating shaft (9), an outer surface of the rotating shaft (9) is equidistantly fixed with a plurality of discs (11), a side of each of the plurality of discs (11) defines a V-shaped groove (12), and two sides of each of the plurality of discs (11) are fixed with two scrapers (13) respectively;
• and an end of the rotating shaft (9) is rotatably connected to an inner wall of another side of the purification pipe (2), and another end of the rotating shaft (9) extends to the outside of the purification pipe (2) and is connected to an output end of the motor (7);
• wherein the filtering assembly comprises a fixed plate (19), a bottom of the fixed plate (19) is equidistantly fixed with a plurality of guide rods (18) along a circumferential direction of the fixed plate (19), bottoms of the plurality of guide rods (18) are fixed to a top of the purification pipe (2), outer surfaces of the plurality of guide rods (18) are slidably connected to a movable ring (21), and a bottom of the movable ring (21) is fixed with a fixed pipe (25);
• wherein a middle part of an outer surface of the fixed pipe (25) equidistantly defines a plurality of penetration openings (27) along a circumferential direction of the fixed pipe (25), the outer surface of the fixed pipe (25) is fitted with a filter cloth (26), a bottom of the fixed pipe (25) is closed, and sealing rings (28) are fixed close to top and bottom edges of the outer surface of the fixed pipe (25);
• and
• wherein an inner wall of each of the plurality of through-holes (24) close to a bottom edge thereof defines a plurality of mounting grooves (22), an annular cleaning brush (23) is disposed in an inside of each of the plurality of mounting grooves (22), and inner bristles of the annular cleaning brush (23) extend to an outer surface of the filter cloth (26);
• and a spring (20) is fixed between a top of the movable ring (21) and the bottom of the fixed plate (19), the bottom of the fixed pipe (25) is fixed with a fixed block (29), and a bottom of the fixed block (29) is rotatably connected to a rolling ball (30).