Abstract: Ice maker is a common functional part of the premium refrigerator product, it can meet the needs of users in ice making at home. However, the excessive noise from the ice block flow channel is a common problem during ice making, seriously affects the user’s sense of hearing. It aims at the noise problem from the flow channel in ice maker, conducts dynamics simulation studies on the process of ice blocks fall in the original and improved flow channels of different shapes with the help of simulation software, improves the structure of original flow channel, proposes the noise reduction improvement method. Last, makes samples of the flow channels and verifies their practical noise reduction effects, provides the engineering guidance for solving the similar noise problem.

Key words: Ice block flow channel, Dynamics simulation, Noise reduction design, Noise test