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System for detecting working condition and diagnosing fault of centrifugal pump

A fault diagnosis system and technology of working status, applied in pump control, non-variable capacity pump, machine/engine, etc., can solve the problems of lack of detection system and fault diagnosis method, and achieve the effect of perfect operation monitoring

Inactive Publication Date: 2013-01-30
KUNSHAN BEIJI PHOTOELECTRON SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The centrifugal pump unit is equipped with automatic control and simple detection equipment, which is mainly used to monitor the axial displacement and radial displacement of the rotor, the temperature of the bearing and the pump body during the operation of the unit, but lacks a complete detection system and fault diagnosis method

Method used

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  • System for detecting working condition and diagnosing fault of centrifugal pump

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Embodiment Construction

[0010] Preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0011] Please refer to figure 1 , the figure shows a centrifugal pump working state detection and fault diagnosis system, which is characterized in that it includes signal measurement 100, data analysis unit 200, communication and display output unit 300.

[0012] The signal measurement unit 100 includes a displacement probe, a displacement sensing signal preamplification circuit, and an amplified signal processing circuit.

[0013] The data analysis unit 200 includes a PLC and a communication port with the host computer PC. In this embodiment, PLC adopts S7-300.

[0014] The display and printout unit 300 includes an industrial computer and a man-machine interface. In this embodiment, the upper computer PC adopts TDC300.

[0015] The present invention has been described in detail above with reference to the embodiments of the accompanying drawings,...

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Abstract

The invention provides a system for detecting the working condition and diagnosing fault of a centrifugal pump, and the system comprises a signal measuring unit 100, a data analyzing unit 200 and a display and printout unit 300. According to the invention, a condition detection and fault diagnosis system is additionally arranged on the central pump, so that operational monitoring of the centrifugal pump is more perfect, and the capability of monitoring, analyzing and preventing a fault is strengthened.

Description

technical field [0001] The invention belongs to the field of centrifugal pump fault diagnosis, and in particular relates to a centrifugal pump working state detection and fault diagnosis system. Background technique [0002] The centrifugal pump unit is equipped with automatic control and simple detection equipment, which is mainly used to monitor the axial displacement and radial displacement of the rotor, the temperature of the bearing and the pump body during the operation of the unit, but lacks a complete detection system and fault diagnosis method. Contents of the invention [0003] The purpose of the present invention is to provide a centrifugal pump working state detection and fault diagnosis system. [0004] The technical solution to achieve the above object is: a centrifugal pump working state detection and fault diagnosis system, which is characterized in that it includes signal measurement, data analysis unit and communication and display output unit. [0005] ...

Claims

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Application Information

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IPC IPC(8): F04D15/00
Inventor 于星光
Owner KUNSHAN BEIJI PHOTOELECTRON SCI & TECH