公开(公告)号：US20170272844A1

公开(公告)日：2017-09-21

申请号：US15532238

申请日：2015-03-10

Applicant: Grundfos Holding A/S

Inventor： René Stig BERGQVIST ,  Christian WOLF ,  Jens MILTHERS

IPC: H04Q9/00 ,  F04D13/06 ,  F04D15/00

Abstract: An electronic converter unit for retrofitting to an external part of a housing of a pump unit is described. The housing comprises a light source for emitting light to display an operating status of the pump unit. The electronic converter unit comprises: a photo detector for measuring light emitted from the light source of the pump unit, a converter unit for converting optical signals to electrical signals, and transmitting means for wirelessly transmitting the electrical signals to an external communication unit.