US 12,396,142 B2
Fan box, server system, and method for adjusting rotation speed of fan box
Dongdong Wei, Shenzhen (CN); Yuanjun Niu, Xi'an (CN); and An Li, Xi'an (CN)
Assigned to Huawei Technologies Co., Ltd, Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed on Jun. 9, 2023, as Appl. No. 18/332,381.
Application 18/332,381 is a continuation of application No. PCT/CN2021/128627, filed on Nov. 4, 2021.
Claims priority of application No. 202011455591.3 (CN), filed on Dec. 10, 2020.
Prior Publication US 2023/0389238 A1, Nov. 30, 2023
Int. Cl. H05K 7/20 (2006.01); F04D 27/00 (2006.01)
CPC H05K 7/20836 (2013.01) [F04D 27/004 (2013.01); H05K 7/20718 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A fan box, wherein the fan box comprises a fan box control board and at least one fan;
the fan box control board comprises a controller and a plurality of communication interfaces, the controller is electrically connected to the plurality of communication interfaces, and the controller is electrically connected to the at least one fan; and
the controller is configured to receive a plurality of fan box speed adjustment instructions through the plurality of communication interfaces, determine a target rotation speed based on rotation speeds indicated by the plurality of fan box speed adjustment instructions, and adjust a rotation speed of the at least one fan to the target rotation speed, wherein one communication interface of the plurality of communication interfaces receives one fan box speed adjustment instruction and adjust the rotation speed of the at least one fan based on a temperature value of the fan box when it is detected that external communication of the plurality of communication interfaces is interrupted.