CN202614367U - Fault diagnosis apparatus for induced draught fan - Google Patents
Fault diagnosis apparatus for induced draught fan Download PDFInfo
- Publication number
- CN202614367U CN202614367U CN 201220190382 CN201220190382U CN202614367U CN 202614367 U CN202614367 U CN 202614367U CN 201220190382 CN201220190382 CN 201220190382 CN 201220190382 U CN201220190382 U CN 201220190382U CN 202614367 U CN202614367 U CN 202614367U
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- China
- Prior art keywords
- acceleration transducer
- piezoelectric acceleration
- draught fan
- draft fan
- induced draft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a fault diagnosis apparatus for an induced draught fan. The apparatus comprises a signal conditioner, a data collection card, a data processing server, four piezoelectric acceleration sensors mounted on bearings of the induced draught fan, two piezoelectric acceleration sensors mounted on motor bearings of the induced draught fan, and two eddy current displacement sensors mounted on a rotation shaft of the induced draught fan, wherein the piezoelectric acceleration sensors and the eddy current displacement sensors are connected with the signal conditioner respectively, and the signal conditioner, the data collection card and the data processing server are connected in sequence. According to the apparatus, the combination of the virtual instrument technology, the conventional vibration signal analysis method and the modern vibration signal analysis method is realized, thereby effectively improving the efficiency and accuracy of the fault diagnosis of the induced draught fan.
Description
Technical field
The utility model belongs to automatic electronic control technology field, particularly a kind of induced draft fan trouble-shooter.
Background technology
The safe operation of induced draft fan receives the influence of several factors, and when induced draft fan moved in its specified technical indicator, induced draft fan was safe; If the overshoot scope then undesired sign can occur, even accident occur.Rugged environment and harsh service condition, and the allowed band operation that surpasses the technical conditions defined, direct often fault cause.What present induced draft fan trouble-shooter was used also is not very general, the function of this type of diagnostic device is simple, precision is low and be subject to various foeign elements influence, especially its very flexible, difficulty updates.
Summary of the invention
To defective or the deficiency that prior art exists, the purpose of the utility model is to provide a kind of automaticity height, diagnostic result induced draft fan trouble-shooter accurately.
In order to realize above-mentioned technical assignment, the utility model adopts following technical scheme to be achieved:
A kind of induced draft fan trouble-shooter; It is characterized in that; Comprise signal conditioner, data collecting card, data processing server, be installed on first piezoelectric acceleration transducer and second piezoelectric acceleration transducer on the induced draft fan front bearing, be installed on the 3rd piezoelectric acceleration transducer and the 4th piezoelectric acceleration transducer on the induced draft fan rear bearing, be installed on the 5th piezoelectric acceleration transducer on the id-motor front bearing; Be installed on the 6th piezoelectric acceleration transducer on the id-motor rear bearing; Be installed on first eddy current displacement sensor and second eddy current displacement sensor at induced draft fan rotating shaft two ends respectively; Described first piezoelectric acceleration transducer, second piezoelectric acceleration transducer, the 3rd piezoelectric acceleration transducer, the 4th piezoelectric acceleration transducer, the 5th piezoelectric acceleration transducer, the 6th piezoelectric acceleration transducer, first eddy current displacement sensor and second eddy current displacement sensor are connected with signal conditioner respectively, and said signal conditioner, data collecting card and data processing server are connected successively.
The device of the utility model can be realized virtual instrument technique, traditional divided oscillation signal analysis method and the combination of modern analysis of vibration signal side, and then effectively improves the efficient and the accuracy of induced draft fan fault analysis and diagnosis.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Below in conjunction with accompanying drawing and embodiment the utility model particular content is done further explain.
Embodiment
With reference to figure 1; Technical scheme according to the utility model; One concrete induced draft fan trouble-shooter comprises signal conditioner, data collecting card, data processing server, be installed on first piezoelectric acceleration transducer and second piezoelectric acceleration transducer on the induced draft fan front bearing, be installed on the 3rd piezoelectric acceleration transducer and the 4th piezoelectric acceleration transducer on the induced draft fan rear bearing, be installed on the 5th piezoelectric acceleration transducer on the id-motor front bearing; Be installed on the 6th piezoelectric acceleration transducer on the id-motor rear bearing; Be installed on first eddy current displacement sensor and second eddy current displacement sensor at induced draft fan rotating shaft two ends respectively; Described first piezoelectric acceleration transducer, second piezoelectric acceleration transducer, the 3rd piezoelectric acceleration transducer, the 4th piezoelectric acceleration transducer, the 5th piezoelectric acceleration transducer, the 6th piezoelectric acceleration transducer, first eddy current displacement sensor and second eddy current displacement sensor are connected with signal conditioner respectively, and said signal conditioner, data collecting card and data processing server are connected successively.Data processing server wherein is general computing machine; Each piezoelectric acceleration transducer adopts the U.S. ICP of PCB company type acceleration transducer; Each electric vortex type displacement sensor adopts the YD9800 series electric vortex type displacement sensor of Shanghai vibration measuring Automation Co., Ltd; Signal conditioner adopts U.S. PCB company 4 passage Alternating Current Power Supply signals to fit and transfers appearance, and data collecting card adopts the PCI1712 type capture card that grinds China.
During device busy, first acceleration transducer normally is placed on the horizontal direction of induced draft fan front bearing, the vibration acceleration signal of the horizontal direction of monitoring bearing; Second acceleration transducer normally is placed on the vertical direction of induced draft fan front bearing, the vibration acceleration signal of the vertical direction of monitoring bearing; The 3rd acceleration transducer normally is placed on the horizontal direction of induced draft fan rear bearing, the vibration acceleration signal of the horizontal direction of monitoring bearing; The 4th acceleration transducer normally is placed on the vertical direction of induced draft fan rear bearing, the vibration acceleration signal of the vertical direction of monitoring bearing; The slender acanthopanax speed pickup normally is placed on the horizontal direction of motor front bearing, the vibration acceleration signal of the horizontal direction of monitoring bearing; The 6th acceleration transducer normally is placed on the horizontal direction of motor rear bearing, the vibration acceleration signal of the horizontal direction of monitoring bearing; The first electric vortex type displacement sensor is placed near the axle head the induced draft fan front bearing, monitors axial vibration displacement signal; The second electric vortex type displacement sensor is placed near the axle head of induced draft fan rear bearing; Monitor axial vibration displacement signal; Each sensor is with the data transmission that is monitored to signal conditioner; Signal conditioner to signal amplify, after the pre-service such as isolation and filtering; The signal transmission is transferred to data processing server through data collecting card; Data processing server adopts that Labview writes to induced draft fan Fault Diagnosis software data are carried out processing such as time domain waveform, orbit of shaft center, filtering track, signal filtering, reconstruct track, spectrum analysis, planar obit simulation analysis of spectrum, three-dimensional track analysis of spectrum, time-domain analysis, cepstrum analysis, auto-correlation and simple crosscorrelation, envelope demodulation analysis, probability density and probability distribution after, obtain diagnostic result and generate diagnosis report.
Used electronic devices and components are commercially available known product in the utility model, and those skilled in the art can realize the connection of each electronic devices and components according to the technique effect of the utility model.
Claims (1)
1. induced draft fan trouble-shooter; It is characterized in that; Comprise signal conditioner, data collecting card, data processing server, be installed on first piezoelectric acceleration transducer and second piezoelectric acceleration transducer on the induced draft fan front bearing, be installed on the 3rd piezoelectric acceleration transducer and the 4th piezoelectric acceleration transducer on the induced draft fan rear bearing, be installed on the 5th piezoelectric acceleration transducer on the id-motor front bearing; Be installed on the 6th piezoelectric acceleration transducer on the id-motor rear bearing; Be installed on first eddy current displacement sensor and second eddy current displacement sensor at induced draft fan rotating shaft two ends respectively; Described first piezoelectric acceleration transducer, second piezoelectric acceleration transducer, the 3rd piezoelectric acceleration transducer, the 4th piezoelectric acceleration transducer, the 5th piezoelectric acceleration transducer, the 6th piezoelectric acceleration transducer, first eddy current displacement sensor and second eddy current displacement sensor are connected with signal conditioner respectively, and said signal conditioner, data collecting card and data processing server are connected successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220190382 CN202614367U (en) | 2012-04-28 | 2012-04-28 | Fault diagnosis apparatus for induced draught fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220190382 CN202614367U (en) | 2012-04-28 | 2012-04-28 | Fault diagnosis apparatus for induced draught fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202614367U true CN202614367U (en) | 2012-12-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220190382 Expired - Fee Related CN202614367U (en) | 2012-04-28 | 2012-04-28 | Fault diagnosis apparatus for induced draught fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202614367U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121178A (en) * | 2013-04-27 | 2014-10-29 | 青岛科技大学 | Fault diagnosis system and method for fuel delivery pump |
| CN104343709A (en) * | 2013-07-24 | 2015-02-11 | 华北电力大学（保定） | Draught fan failure detection apparatus and method |
| CN104343711A (en) * | 2013-07-27 | 2015-02-11 | 华北电力大学（保定） | Device and method for pre-warning non-steady-state failure of fan |
| CN105003453A (en) * | 2014-07-18 | 2015-10-28 | 河北联合大学 | Online monitoring and fault diagnosis system of mine fan |
| CN106525219A (en) * | 2016-10-19 | 2017-03-22 | 国网河南省电力公司电力科学研究院 | Tower material vibration displacement real time monitoring method for power transmission iron tower |
| CN107063440A (en) * | 2017-05-09 | 2017-08-18 | 安徽容知日新科技股份有限公司 | Method, device and the readable storage medium storing program for executing of monitoring vibration equipment |
-
2012
- 2012-04-28 CN CN 201220190382 patent/CN202614367U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121178A (en) * | 2013-04-27 | 2014-10-29 | 青岛科技大学 | Fault diagnosis system and method for fuel delivery pump |
| CN104343709A (en) * | 2013-07-24 | 2015-02-11 | 华北电力大学（保定） | Draught fan failure detection apparatus and method |
| CN104343709B (en) * | 2013-07-24 | 2016-07-06 | 华北电力大学（保定） | A kind of device and method detecting fan trouble |
| CN104343711A (en) * | 2013-07-27 | 2015-02-11 | 华北电力大学（保定） | Device and method for pre-warning non-steady-state failure of fan |
| CN104343711B (en) * | 2013-07-27 | 2016-06-01 | 华北电力大学（保定） | A kind of device and method for blower fan unstable condition fault pre-alarming |
| CN105003453A (en) * | 2014-07-18 | 2015-10-28 | 河北联合大学 | Online monitoring and fault diagnosis system of mine fan |
| CN106525219A (en) * | 2016-10-19 | 2017-03-22 | 国网河南省电力公司电力科学研究院 | Tower material vibration displacement real time monitoring method for power transmission iron tower |
| CN107063440A (en) * | 2017-05-09 | 2017-08-18 | 安徽容知日新科技股份有限公司 | Method, device and the readable storage medium storing program for executing of monitoring vibration equipment |
| CN107063440B (en) * | 2017-05-09 | 2020-06-05 | 安徽容知日新科技股份有限公司 | Method and device for monitoring vibration equipment and readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20130428 |