US 12,293,748 B2
Noise reduction assembly and new energy equipment
Xin Yang, Hefei (CN); Jie Zhou, Hefei (CN); and Qi Yao, Hefei (CN)
Assigned to Sungrow Power Supply Co., Ltd., Hefei (CN)
Filed by Sungrow Power Supply Co., Ltd., Hefei (CN)
Filed on Aug. 1, 2022, as Appl. No. 17/878,136.
Claims priority of application No. 202111479191.0 (CN), filed on Dec. 3, 2021.
Prior Publication US 2023/0178060 A1, Jun. 8, 2023
Int. Cl. G10K 11/162 (2006.01); H05K 7/20 (2006.01)
CPC G10K 11/162 (2013.01) [H05K 7/20172 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A noise reduction assembly, comprising:
an outer frame, wherein an accommodating cavity is arranged in the outer frame; and
a partition plate, wherein the partition plate is arranged in the accommodating cavity, and the partition plate and the outer frame form a noise reduction channel, the noise reduction channel comprises a first noise reduction section, a second noise reduction section and a third noise reduction section that are communicated in sequence, and channel cross-sectional areas of the first noise reduction section and the third noise reduction section are both smaller than a channel cross-sectional area of the second noise reduction section,
wherein a plurality of partition plates is provided, the plurality of partition plates are all arranged in the accommodating cavity, and are sequentially arranged in a direction that one side of the opposite sides of the outer frame faces the other side;
wherein one part of the structure of each partition plate and the outer frame form the first noise reduction section and the second noise reduction section, the other part of the structure, one part of the structure of an adjacent partition plate and the outer frame form the third noise reduction section;
wherein the outer frame is further provided with a channel inlet communicated with the first noise reduction section, and a channel outlet communicated with the third noise reduction section.