On-line monitoring and diagnosis method for common faults of combustion chamber components of marine medium-speed diesel engine

A diagnostic method and technology for diesel engines, applied in the direction of internal combustion engine testing, etc., can solve the problems of inability to diagnose and deal with diesel engine faults in time, too few sensor types and numbers, and difficulty in implementing monitoring and diagnosis systems, and achieve a wide range of use space and applicable frequency bands. Wide, damage-reducing effect
CN110108494BActive Publication Date: 2020-11-24WUHAN UNIV OF TECH
8 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
WUHAN UNIV OF TECH
Publication Date
2020-11-24

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses an online monitoring and diagnosing method for common faults of marine medium-speed diesel engine combustion chamber parts. Acoustic emission sensors are arranged on an enginecylinder cover and the outer side of an engine body correspondingly, feature parameters representing the different faults are extracted from fault mechanisms, and the common faults of the marine medium-speed diesel engine combustion chamber parts are monitored and diagnosed on line. The different faults of the diesel engine combustion chamber parts can be monitored and diagnosed only through the two acoustic emission sensors, the types of sensors are less, the number of the sensors is small, monitoring is comprehensive and efficient, and the method is easy to implement and has wide applicationprospects.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the technical field of diesel engines, and in particular relates to an online monitoring and diagnosis method for common faults of combustion chamber components of marine medium-speed diesel engines. Background technique

[0002] Diesel engine is an important source of power on ships. Failure of diesel engine will seriously affect the navigation and safety of the ship. Timely detection of diesel engine failure and corresponding diagnosis can improve the safety and efficiency of ship navigation, and can also save a lot of time and cost. efficiency of diesel engines.

[0003] For now, in the prior art, a single sensor is usually used to diagnose a specific fault of the diesel engine. Due to the limitation of the type and number of sensors, it is not possible to conduct more comprehensive monitoring and diagnosis of various faults of different parts of the diesel engine. , this will lead to two problems: first, when the types and...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More