公开(公告)号：US20220149769A1

公开(公告)日：2022-05-12

申请号：US17432754

申请日：2019-07-11

Applicant: LS ELECTRIC CO., LTD.

Inventor： Hyun Gyu RYU ,  Chun Suk YANG ,  Jong Wook JEON ,  Min Hun CHI

IPC: H02P31/00 ,  H02P29/60

Abstract: The present disclosure relates to an interface circuit of a motor driving apparatus, the interface circuit comprising a power circuit unit for controlling driving of a motor, and a control panel unit which controls the power circuit unit and provides a user interface, wherein the power circuit unit further comprises a second MCU which controls a relay and an additional device unit and detects an operation state of the additional device unit, and the second MCU can communicate with a first MCU of the control panel unit via a communication line.

公开(公告)号：US20220149705A1

公开(公告)日：2022-05-12

申请号：US17433279

申请日：2019-07-11

Applicant: LS ELECTRIC CO., LTD.

Inventor： Min Hun CHI ,  Chun Suk YANG

IPC: H02K11/33 ,  H05K5/00

Abstract: The present disclosure relates to a device for driving a motor, including a lower case having an accommodating space formed therein and an open upper side; an upper case closing an open surface of the lower case to form an inner space; a central case disposed in the lower case to partition an inner space formed by the lower case and the upper case; a first board disposed on the lower case and comprising a first connector; a second board disposed on the central case and comprising a second connector; and a connection board disposed in the inner space and comprising a first connection connector electrically connected to the first connector and a second connection connector electrically connected to the second connector to transmit electric signals between the board.