公开(公告)号：US20210233377A1

公开(公告)日：2021-07-29

申请号：US17054438

申请日：2019-05-02

Applicant: GRUNDFOS HOLDING A/S

Inventor： Christian SCHOU ,  Ole Hejn PJENGAARD ,  Carsten Skovmose KALLESØE

IPC: G08B21/18 ,  E03F5/22

Abstract: An alarm management module (13) is for a wastewater pumping station that includes at least one pump (9a, 9b) arranged for pumping wastewater out of a wastewater pit (1). The alarm management module (13) is configured to process at least one level variable (h) indicative of a filling level of the wastewater pit (1) and at least one capacity variable (p %, P %, C %) indicative of a pumping capacity of the wastewater pumping station. The alarm management module (13) is configured to trigger an intervention alarm only if all of the following conditions are met: a) the at least one level variable (h) is at or above a predetermined alarm level threshold (hm), b) the at least one level variable (h) is increasing, and c) the at least one capacity variable (p %, P %, C %) is below a capacity threshold.