US 12,132,299 B2
Power cabinet
Hao Zheng, Hefei (CN); Qiyao Zhu, Hefei (CN); and Longlin Sun, Hefei (CN)
Assigned to Sungrow Power Supply Co., Ltd., Hefei (CN)
Filed by Sungrow Power Supply Co., Ltd., Hefei (CN)
Filed on Feb. 4, 2022, as Appl. No. 17/665,340.
Claims priority of application No. 202110189215.2 (CN), filed on Feb. 19, 2021.
Prior Publication US 2022/0271515 A1, Aug. 25, 2022
Int. Cl. H02B 1/56 (2006.01); H02B 1/28 (2006.01); H02B 1/30 (2006.01); H02S 40/38 (2014.01)
CPC H02B 1/565 (2013.01) [H02B 1/28 (2013.01); H02B 1/306 (2013.01); H02S 40/38 (2014.12)] 16 Claims
OG exemplary drawing
 
1. A power cabinet, comprising a cabinet body and an electric reactor, a power unit and a switch arranged in an interior of the cabinet body; wherein
the electric reactor is arranged in a lower space of the interior of the cabinet body between a first side of the cabinet body and a second side of the cabinet body, and the first side is opposite to the second side
the power unit and the switch are arranged in the lower space of the interior of the cabinet body on the second side;
the power unit, the electric reactor and the switch are electrically connected in sequence,
wherein devices with a heat dissipating capacity exceeding a heating threshold, which include the power unit and the electric reactor, are arranged in a first chamber in the cabinet body, and
devices with a protection requirement level exceeding a preset protection level, which include the switch, are arranged in a second chamber in the cabinet body,
wherein a main heat-dissipation channel for dissipating a heat of the devices with the heat dissipating capacity exceeding the heating threshold is arranged in the first chamber in the interior of the cabinet body, and
a secondary heat-dissipation channel for dissipating a heat of the devices with the protection requirement level exceeding the preset protection level is arranged in the second chamber, and
wherein the main heat-dissipation channel is a direct air-cooled heat-dissipation channel and is arranged in a horizontal direction, and the secondary heat-dissipation channel is heat exchanging air-cooled heat-dissipation channel.