公开(公告)号：US11722326B2

公开(公告)日：2023-08-08

申请号：US17684049

申请日：2022-03-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Weiping Song ,  Zhongshu Zhang ,  Wanxiang Ma ,  Jinlong Wang

IPC: H04L12/10

CPC classification number: H04L12/10

Abstract: A powered device (PD) detection device is configured to identify a type of power sourcing equipment. The PD detection device includes a detection circuit and a processing circuit, and the detection circuit is connected to the processing circuit. The detection circuit is configured to: receive hierarchical waveform information sent by the power sourcing equipment, and generate a corresponding first-type signal or a corresponding second-type signal based on the hierarchical waveform information, and is further configured to send the first-type signal or the second-type signal to the processing circuit, where the first-type signal corresponds to first-type power sourcing equipment, and the first-type power sourcing equipment includes at least one of non-standard power sourcing equipment and a direct current adapter. The processing circuit is configured to: receive the first-type signal or the second-type signal, and determine the type of the power sourcing equipment based on the first-type signal or the second-type signal.

公开(公告)号：US12113632B2

公开(公告)日：2024-10-08

申请号：US18180219

申请日：2023-03-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Weiping Song ,  Shiyong Fu ,  Yajie Cai ,  Xuefeng Tang ,  Houcun Zhu

IPC: G06F1/26 ,  H04L12/10 ,  H04L12/40 ,  H04L12/28

CPC classification number: H04L12/10 ,  H04L12/40045 ,  H04L2012/2845

Abstract: This application relates to a power consumption grading method for a network-based power supply system. The method includes: when it is detected that power overload protection is not triggered, starting a plurality of power modules of a powered device one by one in a specific order until all the plurality of power modules are started or it is detected that the power overload protection is triggered after a specific power module is started; when it is detected that the power overload protection is triggered, selecting, according to the specific order and based on the specific power module, one or more of the plurality of power modules as a power module combination of the powered device; and determining a load power of the powered device and a corresponding power consumption level based on the power module combination.