公开(公告)号：US20210336455A1

公开(公告)日：2021-10-28

申请号：US16613733

申请日：2019-05-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tailiang LI ,  Yifei ZHANG ,  Hongtao GUAN ,  Ying ZHANG ,  Hua CAO

IPC: H02J7/00 ,  B62B3/14 ,  B62B5/00

Abstract: A shopping cart charging device, a charging system, an escalator and a shopping cart is disclosed. The shopping cart charging device includes a charging electrode configured to be disposed on a wheel of a shopping cart. The charging electrode is configured to allow electrical connection with a power supply electrode disposed on an escalator, so as to charge the shopping cart.