CN103728011A - Online state monitoring system for vibration of steam turbine generator unit - Google Patents
Online state monitoring system for vibration of steam turbine generator unit Download PDFInfo
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- CN103728011A CN103728011A CN201210384413.5A CN201210384413A CN103728011A CN 103728011 A CN103728011 A CN 103728011A CN 201210384413 A CN201210384413 A CN 201210384413A CN 103728011 A CN103728011 A CN 103728011A
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Abstract
The invention discloses an online state monitoring system for vibration of a steam turbine generator unit. The system comprises a steam turbine generator signal collector, a preprocessor, an A/D converter, a data collector, an Ethernet interface circuit, a FLASH interface circuit, a dynamic random access memory, a reset circuit, a black box interface circuit and a key phase signal processing circuit. The single output end of the steam turbine generator signal collector is connected with the signal input end of the preprocessor, the signal output end of the preprocessor is connected with the signal input end of the A/D converter, the signal output end of the A/D converter is connected with the signal input end of the data collector, the data collector is in communication with the Ethernet interface circuit, the data collector is in communication with the FLASH interface circuit, the data collector is in communication with the dynamic random access memory, the data collector is in communication with the reset circuit, the data collector is in communication with the black box interface circuit, and the data collector is in communication with the key phase signal processing circuit. The online state monitoring system for vibration of the steam turbine generator unit has the advantages of being convenient to carry, easy to operate, and high in collection and analysis speed and precision.
Description
Technical field
The present invention relates to a kind of monitoring system, relate in particular to a kind of Turbo-generator Set Vibration on-line condition monitoring system.
Background technology
Along with scientific and technical progress, the capacity of Turbo-generator Set is increasing.In order to reduce the impact of monoblock on whole power system security and stability, large turbo-type generator group is carried out to on-line condition monitoring, guarantee that unit safety reliability service seems particularly important.
Unit equipment is called for the signal of status monitoring is varied, and wherein the most frequently used is mechanical oscillation signal, and many mechanical faults reflect by abnormal mechanical vibration.
Summary of the invention
Object of the present invention provides a kind of Turbo-generator Set Vibration on-line condition monitoring system with regard to being in order to address the above problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The present invention includes turbodynamo signal picker, pretreater, A/D converter, data acquisition unit, ethernet interface circuit, FLASH interface circuit, dynamic random reservoir, reset circuit, black box interface circuit and key phase signal treatment circuit, the signal output part of described turbodynamo signal picker is connected with the signal input part of described pretreater, the signal output part of described pretreater is connected with the signal input part of described A/D converter, the signal output part of described A/D converter is connected with the signal input part of described data acquisition unit, described data acquisition unit is connected with described ethernet interface circuit communication, described data acquisition unit is connected with the communication of described FLASH interface circuit, described data acquisition unit is connected with the communication of described dynamic random reservoir, described data acquisition unit is connected with described reset circuit communication, described data acquisition unit is connected with the communication of described black box interface circuit, described data acquisition unit is connected with the communication of described key phase signal treatment circuit.
Beneficial effect of the present invention is:
That the present invention has is easy to carry, simple to operate, collection analysis speed fast, precision high, by Ethernet, transmit sampled data, realize the function of Real-Time Monitoring, can also preserve black box data, guarantee data security, for emergency review analysis provides, be protected.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of Turbo-generator Set Vibration on-line condition monitoring system of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1: the present invention includes turbodynamo signal picker, pretreater, A/D converter, data acquisition unit, ethernet interface circuit, FLASH interface circuit, dynamic random reservoir, reset circuit, black box interface circuit and key phase signal treatment circuit, the signal output part of described turbodynamo signal picker is connected with the signal input part of described pretreater, the signal output part of described pretreater is connected with the signal input part of described A/D converter, the signal output part of described A/D converter is connected with the signal input part of described data acquisition unit, described data acquisition unit is connected with described ethernet interface circuit communication, described data acquisition unit is connected with the communication of described FLASH interface circuit, described data acquisition unit is connected with the communication of described dynamic random reservoir, described data acquisition unit is connected with described reset circuit communication, described data acquisition unit is connected with the communication of described black box interface circuit, described data acquisition unit is connected with the communication of described key phase signal treatment circuit.
Main task of the present invention is to realize the status monitoring of rotor of turbogenerator set, warning processing, data acquisition, data management, data analysis and maintenance consulting etc.The present invention can adapt to the requirement of large steam turbine-generator set rotor on-line monitoring, and precision is high, and sampling, analysis speed soon, can realize Unit Commitment monitoring; Can meet requirement integer-period sampled under variable speed; Easy and simple to handle, automaticity is high; Can intuitively show various images and data, the variation tendency of reflection vibration parameters simultaneously; Have lightly nimble, cost is lower, to the little advantages of higher of working environment requirement; It also has good reliability, extendability and higher real-time flexibly, can realize many reference amounts and monitor simultaneously, and be connected into network by Ethernet.The data acquisition unit of Turbo-generator Set Vibration on-line monitoring system is by gathering the vibration signal of rotor of turbogenerator set, after pre-service, by Ethernet, send data acquisition unit to, data acquisition unit carries out data analysis by operation special software, the little work at present state that only can understand in time unit, also can carry out alert detecting, failure prediction, and can preserve instantaneously a large amount of abnormal informations to carry out emergency review and analysis at a high speed.This not only can greatly be avoided the generation of major accident, and to unit safety, operation reliably, reduces the operational efficiency that equipment maintenance cost improves unit, has very important and far-reaching meaning.
Claims (1)
1. a Turbo-generator Set Vibration on-line condition monitoring system, it is characterized in that: comprise turbodynamo signal picker, pretreater, A/D converter, data acquisition unit, ethernet interface circuit, FLASH interface circuit, dynamic random reservoir, reset circuit, black box interface circuit and key phase signal treatment circuit, the signal output part of described turbodynamo signal picker is connected with the signal input part of described pretreater, the signal output part of described pretreater is connected with the signal input part of described A/D converter, the signal output part of described A/D converter is connected with the signal input part of described data acquisition unit, described data acquisition unit is connected with described ethernet interface circuit communication, described data acquisition unit is connected with the communication of described FLASH interface circuit, described data acquisition unit is connected with the communication of described dynamic random reservoir, described data acquisition unit is connected with described reset circuit communication, described data acquisition unit is connected with the communication of described black box interface circuit, described data acquisition unit is connected with the communication of described key phase signal treatment circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210384413.5A CN103728011A (en) | 2012-10-12 | 2012-10-12 | Online state monitoring system for vibration of steam turbine generator unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210384413.5A CN103728011A (en) | 2012-10-12 | 2012-10-12 | Online state monitoring system for vibration of steam turbine generator unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103728011A true CN103728011A (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210384413.5A Pending CN103728011A (en) | 2012-10-12 | 2012-10-12 | Online state monitoring system for vibration of steam turbine generator unit |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4137780A (en) * | 1978-02-06 | 1979-02-06 | General Electric Company | Apparatus for monitoring phase currents and torsional vibrations of a turbine-generator |
| US4995257A (en) * | 1989-03-23 | 1991-02-26 | Electric Power Research Institute, Inc. | Monitor for shaft vibration in an operating turbine |
| CN1127551A (en) * | 1993-07-20 | 1996-07-24 | 西门子公司 | Monitoring system for representing the states of vibration of a plurality of blades on a rotating wheel |
| CN1164705A (en) * | 1997-01-31 | 1997-11-12 | 浙江大学 | Large rotating machine set on line state monitoring and fault detecting system |
| CN102102629A (en) * | 2011-01-17 | 2011-06-22 | 东南大学 | On-line data acquisition and analysis device of wind generating set |
-
2012
- 2012-10-12 CN CN201210384413.5A patent/CN103728011A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4137780A (en) * | 1978-02-06 | 1979-02-06 | General Electric Company | Apparatus for monitoring phase currents and torsional vibrations of a turbine-generator |
| US4995257A (en) * | 1989-03-23 | 1991-02-26 | Electric Power Research Institute, Inc. | Monitor for shaft vibration in an operating turbine |
| CN1127551A (en) * | 1993-07-20 | 1996-07-24 | 西门子公司 | Monitoring system for representing the states of vibration of a plurality of blades on a rotating wheel |
| CN1164705A (en) * | 1997-01-31 | 1997-11-12 | 浙江大学 | Large rotating machine set on line state monitoring and fault detecting system |
| CN102102629A (en) * | 2011-01-17 | 2011-06-22 | 东南大学 | On-line data acquisition and analysis device of wind generating set |
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Application publication date: 20140416 |