US Patent No. 10,462,938

INVERTER POWER CABINET


Patent No. 10,462,938
Issue Date October 29, 2019
Title Inverter Power Cabinet
Inventorship Rubin Wan, Hefei Anhui (CN)
Xiaohu Wang, Hefei Anhui (CN)
Jun Tan, Hefei Anhui (CN)
Qiyao Zhu, Hefei Anhui (CN)
Hao Zheng, Hefei Anhui (CN)
Assignee SUNGROW POWER SUPPLY CO., LTD., Hefei Anhui (CN)

Claim of US Patent No. 10,462,938

1. An inverter power cabinet, comprising a cabinet body and power devices arranged in the cabinet body, wherein the cabinet body has a low-protection grade installation cavity and a high-protection grade installation cavity, the high-protection grade installation cavity is an airtight cavity;the power devices comprise high protection grade power devices arranged in the low-protection grade installation cavity and low-protection grade power devices arranged in the high-protection grade installation cavity, wherein:
the low-protection grade installation cavity has an outer cold air inlet and an inner hot air outlet which are in communication with outside world, and a first fan is further provided in the low-protection grade installation cavity; and
the inverter power cabinet further comprises a heat exchanger configured to dissipate heat of the high-protection grade installation cavity; and
wherein at least one second fan is further arranged in the high-protection grade installation cavity; and
the cabinet body comprises a DC cabinet and an AC cabinet, wherein:
the DC cabinet has the low-protection grade installation cavity and a first high-protection grade installation cavity, and the low-protection grade installation cavity is hermetically separated from the first high-protection grade installation cavity;
the AC cabinet has a second high-protection grade installation cavity; and
the high-protection grade installation cavity comprises the first high-protection grade installation cavity and the second high-protection grade installation cavity.