CN202614531U - Motor fault diagnosis apparatus - Google Patents
Motor fault diagnosis apparatus Download PDFInfo
- Publication number
- CN202614531U CN202614531U CN 201220190762 CN201220190762U CN202614531U CN 202614531 U CN202614531 U CN 202614531U CN 201220190762 CN201220190762 CN 201220190762 CN 201220190762 U CN201220190762 U CN 201220190762U CN 202614531 U CN202614531 U CN 202614531U
- Authority
- CN
- China
- Prior art keywords
- acceleration transducer
- motor
- piezoelectric acceleration
- signal conditioner
- current displacement
- 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
Links
Images
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a motor fault diagnosis apparatus. The apparatus comprises a signal conditioner, a data collection card, a data processing server, four piezoelectric-type acceleration sensors mounted on a motor bearing, and two eddy-current displacement sensors mounted on a motor rotation shaft, wherein the piezoelectric-type 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. The apparatus can be used for realizing the combination of the virtual instrument technology, the conventional vibration signal analysis method and modern vibration signal analysis method, thereby effectively improving the efficiency and accuracy of motor fault analysis and diagnosis.
Description
Technical field
The utility model belongs to automatic electronic control technology field, particularly a kind of motor fault diagnosis device.
Background technology
The safe operation of motor receives the influence of several factors, and when motor moved in its specified technical indicator, motor 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 motor fault diagnosis device 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 motor fault diagnosis device accurately.
In order to realize above-mentioned technical assignment, the utility model adopts following technical scheme to be achieved:
A kind of motor fault diagnosis device; 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 motor front bearing, be installed on the 3rd piezoelectric acceleration transducer and the 4th piezoelectric acceleration transducer on the motor rear bearing, be installed on first eddy current displacement sensor and second eddy current displacement sensor at motor rotary shaft two ends respectively; Described first piezoelectric acceleration transducer, second piezoelectric acceleration transducer, the 3rd piezoelectric acceleration transducer, the 4th 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 motor fault analyzing and diagnosing.
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; The motor fault diagnosis device of this embodiment comprises signal conditioner, data collecting card, data processing server, be installed on first piezoelectric acceleration transducer and second piezoelectric acceleration transducer on the motor front bearing, be installed on the 3rd piezoelectric acceleration transducer and the 4th piezoelectric acceleration transducer on the motor rear bearing, be installed on first eddy current displacement sensor and second eddy current displacement sensor at motor rotary shaft two ends respectively; Described first piezoelectric acceleration transducer, second piezoelectric acceleration transducer, the 3rd piezoelectric acceleration transducer, the 4th 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 motor front bearing, the vibration acceleration signal of the horizontal direction of monitoring bearing; Second acceleration transducer normally is placed on the vertical direction of motor 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 motor 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 motor rear bearing, the vibration acceleration signal of the vertical direction of monitoring bearing; The first electric vortex type displacement sensor is placed near the axle head the motor front bearing, monitors axial vibration displacement signal; The second electric vortex type displacement sensor is placed near the axle head of motor 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; After the diagnostic software to motor fault that data processing server adopts Labview to write carries 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 to data, 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. motor fault diagnosis device; 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 motor front bearing, be installed on the 3rd piezoelectric acceleration transducer and the 4th piezoelectric acceleration transducer on the motor rear bearing, be installed on first eddy current displacement sensor and second eddy current displacement sensor at motor rotary shaft two ends respectively; Described first piezoelectric acceleration transducer, second piezoelectric acceleration transducer, the 3rd piezoelectric acceleration transducer, the 4th 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 201220190762 CN202614531U (en) | 2012-04-28 | 2012-04-28 | Motor fault diagnosis apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220190762 CN202614531U (en) | 2012-04-28 | 2012-04-28 | Motor fault diagnosis apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202614531U true CN202614531U (en) | 2012-12-19 |
Family
ID=47348220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220190762 Expired - Fee Related CN202614531U (en) | 2012-04-28 | 2012-04-28 | Motor fault diagnosis apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202614531U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424387A (en) * | 2015-11-19 | 2016-03-23 | 上海交通大学 | Steering gear real-time remote intelligent monitoring system |
| CN108871172A (en) * | 2018-09-03 | 2018-11-23 | 佛山职业技术学院 | A kind of ball milling machine vibration and protection system |
-
2012
- 2012-04-28 CN CN 201220190762 patent/CN202614531U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424387A (en) * | 2015-11-19 | 2016-03-23 | 上海交通大学 | Steering gear real-time remote intelligent monitoring system |
| CN105424387B (en) * | 2015-11-19 | 2017-12-15 | 上海交通大学 | Tooth sector real time remote intelligent monitor system |
| CN108871172A (en) * | 2018-09-03 | 2018-11-23 | 佛山职业技术学院 | A kind of ball milling machine vibration and protection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202614367U (en) | Fault diagnosis apparatus for induced draught fan | |
| CN203414278U (en) | System for detecting abnormal condition of vibration of hydroelectric generating set in real time | |
| CN205067090U (en) | Antifriction bearing fault detection and diagnostic system | |
| CN204964011U (en) | Vibration detection and failure diagnosis device of portable rotating machinery main shaft | |
| Cheng et al. | Envelope deformation in computed order tracking and error in order analysis | |
| CN202562760U (en) | Vibrating screen on-line diagnosis device | |
| CN101644624B (en) | Steering test bench of electrical-closed tracked vehicle transmission device | |
| CN103674234B (en) | State early warning method and system for abnormal vibration of wind generating set | |
| CN202119630U (en) | On-line monitoring and fault diagnosis device for bench test of reliability of microplane automobile driving axle | |
| CN205607636U (en) | Gear box fault detection device based on vibration signal analysis | |
| CN106124193A (en) | Gearbox fault detection method in conjunction with vibrations with sound wave monitoring | |
| CN108760294B (en) | Automatic diagnosis system and method for rotary mechanical equipment | |
| CN105067106B (en) | A kind of intershaft bearing vibration signals collecting method | |
| CN202511969U (en) | Device for diagnosing faults of gearbox | |
| CN202974666U (en) | Virtual instrument detection device for automobile engine | |
| CN206019842U (en) | Blade vibration analog and the test system with which | |
| CN202612066U (en) | Fault diagnosis device of piston type air compressor | |
| CN202614531U (en) | Motor fault diagnosis apparatus | |
| CN104236910A (en) | Testing system for CT scanner rotary disc bearing | |
| CN110132406B (en) | Permanent magnet direct-drive electric locomotive coupler vibration detection method and system | |
| CN102798413B (en) | A kind of railway dynamic detection system | |
| CN106324287A (en) | Vehicle wheel speed sensor detection device | |
| CN202057357U (en) | Integrated test-bed of traction motor | |
| CN205920198U (en) | Motor capability test equipment based on labVIEW | |
| CN203011933U (en) | Rotating speed detection system for engine |
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 |