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Fault diagnosis method, system and computer-readable storage medium for reciprocating compressor

A fault diagnosis, compressor technology, applied in the direction of machine/engine, mechanical equipment, liquid variable capacity machinery, etc., can solve problems such as low accuracy

Active Publication Date: 2021-01-26
SHENZHEN RICHCON MEASUREMENT & CONTROL TECHLTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The main purpose of the present invention is to provide a method, system and computer-readable storage medium for fault diagnosis of reciprocating compressors, aiming to solve the problem of low accuracy of existing methods for monitoring and diagnosing faults of reciprocating compressors

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  • Fault diagnosis method, system and computer-readable storage medium for reciprocating compressor
  • Fault diagnosis method, system and computer-readable storage medium for reciprocating compressor
  • Fault diagnosis method, system and computer-readable storage medium for reciprocating compressor

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Embodiment Construction

[0094] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0095] The fault diagnosis system of the reciprocating compressor involved in the embodiment of the present invention includes a reciprocating compressor and a control device, please refer to figure 1The reciprocating compressor includes a body 1, a drive motor (not shown), a flywheel (not shown) connected to the drive motor through a coupling, a crankshaft 10 connected to the flywheel, a connecting rod 20 connected to the crankshaft 10, and a The crosshead 30 connected with the rod 20, the piston rod 40 connected with the crosshead 30, the piston 50 connected with the end of the piston rod 40 away from the crosshead 30, the body is connected with the cylinder 60, the piston 50 is placed in the cylinder 60, and the cylinder 60 A suction valve and an exhaust valve are arranged on the top, and the piston 50 reciprocates...

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Abstract

The invention discloses a fault diagnosis method for a reciprocating compressor, which includes obtaining the rotation angle of the crankshaft of the reciprocating compressor through a first measurement sensor, and obtaining sensing information corresponding to the rotation angle through a second measurement sensor; Segmentation of the corresponding preset number of sensing information; according to the segmentation judgment rule corresponding to the second measurement sensor, the sensing information of each segment corresponding to the second measurement sensor is analyzed and judged separately, and the corresponding judgment is obtained. Result; when there is only one type of second measurement sensor, determine whether there is a fault in the reciprocating compressor according to the judgment result; when there are two or more second measurement sensors, conduct a comprehensive analysis on the judgment result to determine whether there is a fault in the reciprocating compressor. The invention also provides a fault diagnosis system for a reciprocating compressor and a computer-readable storage medium. The invention can automatically diagnose the fault of the reciprocating compressor, and improve the efficiency of fault monitoring and diagnosis.

Description

technical field [0001] The present invention relates to the technical field of fault diagnosis of reciprocating compressors, in particular to a fault diagnosis method, system and computer-readable storage medium of reciprocating compressors. Background technique [0002] At present, reciprocating compressors are key equipment widely used in industries such as oil refining, chemical industry, oil extraction, gas extraction, and gas transmission. Most of the reciprocating compressors are piston compressors. Reciprocating compressors are prone to faults during operation, and professionals are required to diagnose the faults. Even if some reciprocating compressors are equipped with a condition monitoring system, professionals still diagnose the faults of reciprocating compressors based on state monitoring methods such as FFT of rotating machinery. The accuracy of reciprocating compressor fault diagnosis is low. Contents of the invention [0003] The main purpose of the presen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B51/00F04B49/10
CPCF04B49/10F04B51/00
Inventor 曾杰李长伟史亚斐梁健强王含宇
Owner SHENZHEN RICHCON MEASUREMENT & CONTROL TECHLTD
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