公开(公告)号：US11268895B2

公开(公告)日：2022-03-08

申请号：US16692565

申请日：2019-11-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hong Gan ,  Pan Zhang ,  Xiaozhi Wu

IPC: G01N17/00 ,  G01N15/06 ,  G01R31/00

Abstract: A dustproof test device includes a test box and a dust supply apparatus, where the test box includes a sample cabin, where the dust supply apparatus is connected to the test box through a dust tube, and where the dust supply apparatus is configured to transport dust into the sample cabin under the action of compressed air.

公开(公告)号：US20200088628A1

公开(公告)日：2020-03-19

申请号：US16692565

申请日：2019-11-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hong Gan ,  Pan Zhang ,  Xiaozhi Wu

IPC: G01N17/00 ,  G01R31/00 ,  G01N15/06

Abstract: A dustproof test device includes a test box and a dust supply apparatus, where the test box includes a sample cabin, where the dust supply apparatus is connected to the test box through a dust tube, and where the dust supply apparatus is configured to transport dust into the sample cabin under the action of compressed air.