Control system and procedure for a hydraulic cartridge valve with segmented action

DE102024211451A8Pending Publication Date: 2026-05-28HUANENG LANCANG RIVER HYDROPOWER CO LTD

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Patent Information

Authority / Receiving Office: DE · DE
Patent Type: Applications
Current Assignee / Owner: HUANENG LANCANG RIVER HYDROPOWER CO LTD
Filing Date: 2024-11-29
Publication Date: 2026-05-28

Application Information

Patent Timeline

29 Nov 2024

Application

28 May 2026

Publication

DE102024211451A8

IPC: F15B21/02; F01L25/08; F15B13/044

CPC: F15B21/087; F16K31/122; F16K37/0041; F15B2211/6656; F15B2211/7053; F15B2211/327; F15B11/22; F15B2211/8757

AI Tagging

Application Domain

Operating means/releasing devices for valves Servomotor components

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AI Technical Summary

Technical Problem

Cartridge valves in hydroelectric power plants suffer from issues such as leaking and jamming, which affect normal operation, reduce reliability, and pose safety risks.

Method used

A control system and method for segmented hydraulic cartridge valves that include a detection module for phase recognition, a determination module for servo valve opening degree, and a control module for adjusting oil charging volume based on the phase to ensure synchronized operation.

Benefits of technology

The solution ensures reliable and synchronized operation of cartridge valves, improving the reliability and safety of hydroelectric power plants by preventing valve failure and maintaining synchronization.

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Abstract

The present application provides a control system and method for a hydraulic cartridge valve with segmental action, wherein the system comprises: a detection module for detecting a current operating phase of the hydraulic cartridge valve at a given time; a determination module for determining an opening degree of a proportional servo valve corresponding to the hydraulic cartridge valve at the given time, based on the current operating phase at the given time; and a control module for controlling the oil charging volume of each servo motor of the hydraulic cartridge valve based on the opening degree of the proportional servo valve and for completing the control of the hydraulic cartridge valve.The technical solution provided in the present application solves the problem of cartridge valve failure, ensures the reliability and synchronization of the cartridge valve action and is of great importance for improving the reliability of the hydraulic cartridge valve control system of large hydroelectric power plants.

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