Backpack blower, backpack assembly and backpack power assembly

A backpack blower, comprising:

• a backpack assembly;
• a blower body, mounted on the backpack assembly;
• and
• a battery pack, mounted on the backpack assembly for supplying power to the blower body;
• wherein the blower body comprises a motor duct assembly, an air inlet assembly mounted on the backpack assembly, and an air outlet assembly connected with the air inlet assembly, the air inlet assembly comprises an air inlet and an air inlet tube connected to the air inlet, the air inlet tube is connected with the air outlet assembly, and
• wherein the battery pack is located above the air inlet assembly, a circuit board is located below the battery pack, a heat dissipation hole is arranged on a top wall of the air inlet tube, and the heat dissipation hole is arranged corresponding to the circuit board, so as to dissipate heat generated during an operation of the circuit board through the heat dissipation hole.

A backpack blower, comprising:

• a backpack assembly;
• a blower body, mounted on the backpack assembly;
• and
• a battery pack, mounted on the backpack assembly for supplying power to the backpack blower;
• wherein the blower body comprises a motor duct assembly, an air inlet assembly mounted on the backpack assembly, and an air outlet assembly connected with the air inlet assembly;
• wherein the air outlet assembly comprises a housing assembly, and an air outlet tube connected to the housing assembly;
• and,
• wherein at least a part of the motor duct assembly is housed in the housing assembly, and the motor duct assembly is located on the side of the housing assembly far from the backpack assembly;
• wherein the air inlet assembly comprises an air inlet and an air inlet tube connected to the air inlet, the air inlet tube is connected with the air outlet assembly, wherein
• the battery pack is located above the air inlet assembly and is carried on a back of an operator through the backpack assembly, and
• a circuit board located below the battery pack, a heat dissipation hole is arrange on a top wall of the air inlet tube, and the heat dissipation hole is arranged corresponding to the circuit board, so as to dissipate heat generated during an operation of the circuit board through the heat dissipation hole.