High pressure positive blower of high efficiency low noise

The utility model discloses a high pressure positive blower of high efficiency low noise, including fan subassembly and power component, the fan subassembly includes fan shell, embedded muffler, air -out pipeline, impeller and grid, the fan shell with air -out pipeline fixed connection, the air -out pipeline is located the left side of air -out pipeline, embedded muffler is located the internal surface of air -out pipeline, the grid can be arrange disorderly air current in order becomes steady air current entering inside the fan shell to prevent disorderly air current striking impeller and produce the noise, the grid can also filter winged insect and debris, thereby avoids winged insect and debris to get into effectual protection fan, and the present high pressure positive blower of comparing, neotype high pressure positive blower can reduce the noise that the during operation produced, can also protect the fan simultaneously, when improving the security when using, need not clear up getting into the inside d