US 12,445,090 B2
Heat dissipation apparatus and photovoltaic inverter
Faming Sun, Dongguan (CN); Quanming Li, Dongguan (CN); and Jun Chen, Dongguan (CN)
Assigned to HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Digital Power Technologies Co., Ltd., Shenzhen (CN)
Filed on Dec. 2, 2022, as Appl. No. 18/061,075.
Application 18/061,075 is a continuation of application No. PCT/CN2021/089716, filed on Apr. 25, 2021.
Claims priority of application No. 202010499300.4 (CN), filed on Jun. 4, 2020.
Prior Publication US 2023/0096967 A1, Mar. 30, 2023
Int. Cl. H02S 40/42 (2014.01); H02S 40/32 (2014.01); H05K 7/20 (2006.01)
CPC H02S 40/425 (2014.12) [H05K 7/20163 (2013.01); H05K 7/20918 (2013.01); H02S 40/32 (2014.12)] 20 Claims
OG exemplary drawing
 
1. A heat dissipation apparatus, comprising:
a radiator comprising a heat dissipation channel;
an air duct component; and
at least two fan layers, wherein the at least two fan layers are stacked in a direction perpendicular to a faying surface of the radiator, each fan layer comprises at least one fan, the at least one fan comprises an air exhaust vent, the heat dissipation channel comprises a first inlet that faces at least one of the fan layers, the first inlet communicates with each air exhaust vent in the at least one fan layer by using the air duct component, and in two adjacent fan layers, an air intake vent of the at least one fan in an inner fan layer communicates with at least one interval space in an outer fan layer.