Angular encoding redundancy monitoring device and low speed engine power system

By introducing an angle-coded redundant monitoring device into a low-speed engine and using multiple encoders and transmission structures to compensate for axial movement, the problems of encoder wear and monitoring interruption in the prior art are solved, resulting in more stable and reliable engine operation.

CN122130035APending Publication Date: 2026-06-02CSSC POWER INST CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CSSC POWER INST CO LTD
Filing Date
2026-04-10
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

The existing angle-encoding transmission system for low-speed engines lacks axial movement compensation and redundancy design, which leads to encoder wear, signal drift and monitoring interruption, affecting the stable operation and safety of the engine.

Method used

An angle-encoded redundant monitoring device is adopted. The redundant monitoring structure is formed by connecting the housing with separate cavities, drive shafts, couplings and multiple angle encoders. Combined with the drive bearings and couplings to compensate for axial movement, it ensures stable signal transmission.

Benefits of technology

It improves the reliability and accuracy of crankshaft operation status monitoring, extends the lifespan of the encoder, enhances engine stability and safety, and avoids monitoring interruptions caused by a single encoder failure.

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Abstract

The application provides an angle coding redundancy monitoring device and a low-speed engine power system, and solves the problems of lacking axial displacement compensation and lacking redundancy design in the angle coding transmission system of the low-speed engine in the prior art; wherein the angle coding redundancy monitoring device comprises a connecting assembly, the connecting assembly comprises a connecting shell, a transmission bearing, a transmission shaft and a shaft coupling, the connecting shell is provided with a first cavity and a second cavity, the first cavity and the second cavity are communicated through a connecting hole, the transmission shaft is rotatably arranged in the transmission bearing, one end of the transmission shaft penetrates through the first cavity and is connected with a crankshaft, and the other end of the transmission shaft is connected with one end of the shaft coupling arranged in the second cavity; the angle coding assembly comprises a coding rotating shaft, a cover fixed to the outer side of the second cavity, a fixing support arranged on the cover and a plurality of angle encoders arranged on the fixing support, and the coding rotating shaft is rotatably arranged on the cover.
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