Air supply device and electrical product

• Main Authors: ZHANG XUECHAO, ZHANG TIECHENG, HAN ZHENMIN
• Format: Patent
• Language: Chinese; English
• Published: 21.12.2021
• Subjects: BLASTING; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The embodiment of the invention provides an air supply device and an electrical product. The air supply device comprises a motor, a first cover part, a second cover part and an impeller. The first cover part is provided with a wall part located on the radial outer side of the motor, and a first channel communicating in the axial direction is formed in the wall part. One axial end of the second cover part is in abutting connection with the first cover part, and the other axial end is provided with an air inlet. The impeller is contained in the space defined by the first cover part and the second cover part and is fixed to a shaft of the motor. The air supply device further comprises a first air channel communicating with the air inlet, the impeller and the first channel of the wall part and a second air channel separated from the first air channel and communicating with the motor. According to the air supply device and the electrical product, the heat dissipation performance of the air supply device can be enh