CN201247097Y - Apparatus for monitoring and analyzing hydroelectricity set vibration - Google Patents
Apparatus for monitoring and analyzing hydroelectricity set vibration Download PDFInfo
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- CN201247097Y CN201247097Y CNU2008200299206U CN200820029920U CN201247097Y CN 201247097 Y CN201247097 Y CN 201247097Y CN U2008200299206 U CNU2008200299206 U CN U2008200299206U CN 200820029920 U CN200820029920 U CN 200820029920U CN 201247097 Y CN201247097 Y CN 201247097Y
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Abstract
The utility model discloses a vibration monitoring and analyzing device of a hydroelectric generating set, which comprises a data collection card, wherein the data collection card is respectively connected with an analog quantity conditioning circuit and a digital quantity conditioning circuit through an analog quantity input channel and a digital quantity input channel, the analog quantity conditioning circuit is respectively connected with a swing sensor, a vibration sensor and a pulse sensor, the digital quantity conditioning circuit is connected with a key phase sensor, the data collection card is connected with a signal collecting IPC through a USB data transmission interface, and the signal collecting IPC is respectively connected with a monitoring screen cabinet and a monitoring and analyzing IPC. The vibration monitoring and analyzing device is applied in vibration monitoring and analyzing of the hydroelectric generating set, and provides maintenance direction for condition-based maintenance of the hydroelectric generating set, the operation is convenient, and system adjustment and function extension are convenient.
Description
Technical field
The utility model relates to a kind of Hydropower Unit monitoring system, is specifically related to a kind of Hydropower Unit vibration monitoring and analytical equipment.
Background technology
Hydropower Unit equipment is huge, the inducement of complex structure, fault is various, the back maintenance difficult breaks down, and statistical data shows, Hydropower Unit has 80% fault or accident reflection to some extent in vibration signal approximately, therefore, the fault by vibration monitoring early detection Hydropower Unit equipment is the most general and effective method that adopts at present.
The Hydropower Unit vibration monitor system of domestic development mainly contains the hydraulic multifunctional tester that the Central China University of Science and Technology develops; Tsing-Hua University, Beijing different electrical apparatus technology of skill difficult to understand is studied the Hydropower Unit status monitoring analysis and diagnosis system of Guangzhou Pumped-storage Power Station joint research and development in one's power etc.
The existing vibration monitor system construction cycle is grown, involves great expense, operates inconvenience, function imperfection, is not easy to system's adjustment and function expansion.
Summary of the invention
The purpose of this utility model provides a kind of Hydropower Unit vibration monitoring and analytical equipment, is used for the vibration monitoring and the analysis of Hydropower Unit, and is easy to operate, is easy to system's adjustment and function and expands.
The technical scheme that the utility model adopted is, a kind of Hydropower Unit vibration monitoring and analytical equipment, comprise data collecting card, data collecting card is connected with the digital quantity modulate circuit with the analog quantity modulate circuit respectively with digital-quantity input interface by the analog quantity input interface, the analog quantity modulate circuit respectively with the throw sensor, vibration transducer is connected with fluctuation sensor, digital quantity modulate circuit and key sensor mutually are connected, data collecting card links to each other with signals collecting IPC by the usb data transmission interface, and signals collecting IPC joins with monitor screen cabinet and monitoring analysis IPC respectively.
Feature of the present utility model also is,
Signals collecting IPC is connected with Intranet master data server.
Monitoring analysis IPC is connected with Intranet master data server.
The utility model is compared with existing monitoring system, has following characteristics
1. adopt the experiment virtual instrument engineering platform labview software of NI company as system development platform, labview be very easy to and various data acquisition hardwares integrated, can link with the industrial field bus communication of multiple main flow and with the real-time data base of the universal standard.As graphical programming software have the programming efficiency height, revise flexibly, characteristics such as operation and display interface image, test assignment control are convenient, improved the field tests yield-power greatly, can shorten the test macro development time greatly, the saving development investment
2. the utility model adopts USB-6225 type capture card, 80 tunnel analog inputs, 2 tunnel simulation outputs, 24 way word I/O, A/D converter is differentiated 16, sampling rate 250KS/S has guaranteed the expansion of acquisition precision and follow-up measuring point, and based on devices interconnect such as USB interface convenience and PC portable machines.
3. compact conformation, feature richness, execution speed are fast and constitute flexibly, are easy to expansion by revising software function, have very high cost performance, are fit to very much the Hydropower Unit monitoring system.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Among the figure, 1. Hydropower Unit, 2. throw sensor, 3. vibration transducer, 4. fluctuation sensor, 5. key phase sensor, 6. digital quantity modulate circuit, 7. data collecting card, 8. signals collecting IPC, 9. monitor screen cabinet, 10. analog quantity modulate circuit, 11. monitoring analysis IPC, 12. Intranet master data servers.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The structure of the utility model device, as shown in Figure 1.Comprise data collecting card 7, data collecting card 7 is respectively arranged with analog quantity input interface, digital-quantity input interface and usb data transmission interface, the analog quantity input interface is connected with analog quantity modulate circuit 10 by analog quantity channel AI0, AI1, AI2, AI3, AI4, AI5, AI6, AI7, AI8, AI9, AI10, AI11, AI12, AI13 and AI14, digital-quantity input interface is connected with digital quantity modulate circuit 6 by digital quantity passage DI0, and data collecting card 7 links to each other with signals collecting IPC8 by standard USB2.0 interface.
Signals collecting IPC8 is connected with monitor screen cabinet 9, monitoring analysis IPC11 and Intranet master data server 12 respectively, and monitoring analysis IPC11 links to each other with Intranet master data server.Monitor screen cabinet 9 joins with monitoring analysis IPC11 and Intranet master data server 12 respectively by fiber optic Ethernet LAN mouth.Analog quantity modulate circuit 10 is connected with throw sensor 2, vibration transducer 3 and fluctuation sensor 4 respectively.Data volume modulate circuit 6 and key sensor 5 mutually are connected.Data collecting card 7 adopts the NIUSB-6225 capture card, comprises A/D modular converter, data processing module.
Be installed on the analog signals that the throw sensor 2 of Hydropower Unit 1 test point sends, enter analog quantity modulate circuit 10, the current signal of 10 pairs of throw sensors of analog quantity modulate circuit, 2 outputs is converted to voltage signal, and this voltage signal order is successively by analog quantity channel AI0, AI1, AI2, AI3, AI4 and AI5 input data collecting card 7; The signal that vibration transducer 3 sends enters analog quantity modulate circuit 10, imports data collecting card 7 by analog quantity channel AI6, AI7, AI8, AI9, AI10 and AI11 successively after the voltage signal ratio conversion of analog quantity modulate circuit 10 with input; Import data collecting card 7 by analog quantity channel AI12, AI13 and AI14 successively after the analog signals conversion of analog quantity modulate circuit 10 with fluctuation sensor 4 transmission; The pulse signal that produces behind the signal condition that digital quantity modulate circuit 6 sends key phase sensor 5 is by digital quantity passage DI0 input data collecting card 7.
Analog signals comprises bearing throw, frame vibration and the pressure pulsation etc. of Hydropower Unit, and digital quantity signal is the pulse signal of gathering by a key phase projection on the main shaft.
The analog data of input data collecting card 6 becomes digital signal through the A/D module converts, this digital signal is after data processing module is handled, gather IPC8 by usb data transmission interface input signal, input signal is gathered IPC8 and is accepted simultaneously from the subsequent analysis vibrational state of monitor screen cabinet 9 transmission, as head, flow and aperture signal.Signals collecting IPC8 with the data transmission that receives to monitoring analysis IPC11, monitoring analysis IPC11 with the data computation that receives, analyze and shown.Signals collecting IPC8 also can be with data transmission to Intranet master data server 12, simultaneously, monitoring analysis IPC11 also can deposit analysis waveform and the chart that produces in Intranet master data server 12 in real time, realizes Hydropower Unit vibration signals, analysis, storage and demonstration.
Below to carry out the frequency domain amplitude analysis of spectrum to measuring point throw signal be example to gather Hydropower Unit top guide bearing X, illustrate that the utility model is monitored and the course of work of analytical equipment:
After the start; the top guide bearing X of Hydropower Unit 1 monitors the throw amount of top guide bearing to the throw sensor of installing 2; produce a physical signalling; and with this physical signalling input analog amount modulate circuit 10; after analog quantity modulate circuit 10 is nursed one's health this physical signalling; transfer to data collecting card 7 by the analog input channel; after the analog signals that enters data collecting card 7 is handled through the A/D modular converter in the data collecting card 7 and data processing module; usb data transmission interface input signal through data collecting card 7 is gathered IPC8; the data of entering signal collection IPC8 are carried out off-limit alarm (one-level warning through calculating amplitude with start operating mode threshold ratio; secondary is reported to the police; tripping grinder); and the result shown by the panel of signals collecting IPC8; simultaneously; data are sent to monitoring analysis IPC11 by the optical fiber lan mouth by signals collecting IPC8; monitoring analysis IPC11 is by frequency domain amplitude analysis of spectrum experiment virtual instrument engineering platform labview program; the data of input are carried out fast Fourier to be calculated; the amplitude that each frequency and corresponding simple harmonic oscillation component thereof are had is respectively as X-axis; Y-axis is painted the front panel that spectrogram is shown in monitoring system; simultaneously; by the user generation form is set; and with waveform; chart and throw data in real time deposit Intranet master data server 12 in, and the result is shown by the panel of monitoring analysis IPC11.
The utility model device, be used for the vibration monitoring and the analysis of Hydropower Unit, the hardware frame and the system software function module design of Hydropower Unit vibration monitoring and analytic system are provided, comprehensive Hydropower Unit vibration fault analysis tool, the vibration state that can comprehensive analysis unit and the power of fault location type and fault fast are for the repair based on condition of component of Hydropower Unit provides maintenance to instruct.
Claims (3)
1. Hydropower Unit vibration monitoring and analytical equipment, it is characterized in that, comprise data collecting card (7), data collecting card (7) is connected with digital quantity modulate circuit (6) with analog quantity modulate circuit (10) respectively with digital-quantity input interface by the analog quantity input interface, analog quantity modulate circuit (10) respectively with throw sensor (2), vibration transducer (3) is connected with fluctuation sensor (4), digital quantity modulate circuit (6) and key sensor (5) mutually are connected, data collecting card (7) links to each other with signals collecting IPC (8) by the usb data transmission interface, and signals collecting IPC (8) joins with monitor screen cabinet (9) and monitoring analysis IPC (11) respectively.
2. vibration monitoring according to claim 1 and analytical equipment is characterized in that, described signals collecting IPC (8) is connected with Intranet master data server (12).
3. vibration monitoring according to claim 1 and 2 and analytical equipment is characterized in that, described monitoring analysis IPC (11) is connected with Intranet master data server (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200299206U CN201247097Y (en) | 2008-08-12 | 2008-08-12 | Apparatus for monitoring and analyzing hydroelectricity set vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200299206U CN201247097Y (en) | 2008-08-12 | 2008-08-12 | Apparatus for monitoring and analyzing hydroelectricity set vibration |
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| Publication Number | Publication Date |
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| CN201247097Y true CN201247097Y (en) | 2009-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200299206U Expired - Fee Related CN201247097Y (en) | 2008-08-12 | 2008-08-12 | Apparatus for monitoring and analyzing hydroelectricity set vibration |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183295A (en) * | 2011-01-07 | 2011-09-14 | 深圳思量微系统有限公司 | System for monitoring sound and vibration of hydroelectric generating unit |
| CN101968388B (en) * | 2009-07-28 | 2012-07-04 | 湖北省电力试验研究院 | Wireless stress tester of hydro-power generating unit |
| CN102707680A (en) * | 2012-05-22 | 2012-10-03 | 李朝晖 | Omnibearing integrated coordination online monitoring system for hydro-power generating unit |
| CN102777370A (en) * | 2012-01-11 | 2012-11-14 | 福州大学 | Realization method of LabVIEW-based high-pressure pump performance testing system |
| CN102937459A (en) * | 2012-11-06 | 2013-02-20 | 昆山北极光电子科技有限公司 | State detection system for rotating machinery |
| CN104281130A (en) * | 2014-09-22 | 2015-01-14 | 国家电网公司 | Hydroelectric equipment monitoring and fault diagnosis system based on big data technology |
| CN106840666A (en) * | 2017-04-07 | 2017-06-13 | 贵州电网有限责任公司电力科学研究院 | One kind is based on digital communication water turbine set stability test device |
| CN108802615A (en) * | 2018-08-01 | 2018-11-13 | 贵州电网有限责任公司 | Hydro turbine governor static properties tests system and its test method |
-
2008
- 2008-08-12 CN CNU2008200299206U patent/CN201247097Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968388B (en) * | 2009-07-28 | 2012-07-04 | 湖北省电力试验研究院 | Wireless stress tester of hydro-power generating unit |
| CN102183295A (en) * | 2011-01-07 | 2011-09-14 | 深圳思量微系统有限公司 | System for monitoring sound and vibration of hydroelectric generating unit |
| CN102777370A (en) * | 2012-01-11 | 2012-11-14 | 福州大学 | Realization method of LabVIEW-based high-pressure pump performance testing system |
| CN102777370B (en) * | 2012-01-11 | 2015-06-03 | 福州大学 | Realization method of LabVIEW-based high-pressure pump performance testing system |
| CN102707680A (en) * | 2012-05-22 | 2012-10-03 | 李朝晖 | Omnibearing integrated coordination online monitoring system for hydro-power generating unit |
| CN102707680B (en) * | 2012-05-22 | 2014-04-02 | 李朝晖 | Omnibearing integrated coordination online monitoring system for hydro-power generating unit |
| CN102937459A (en) * | 2012-11-06 | 2013-02-20 | 昆山北极光电子科技有限公司 | State detection system for rotating machinery |
| CN104281130A (en) * | 2014-09-22 | 2015-01-14 | 国家电网公司 | Hydroelectric equipment monitoring and fault diagnosis system based on big data technology |
| CN104281130B (en) * | 2014-09-22 | 2017-05-10 | 国家电网公司 | Hydroelectric equipment monitoring and fault diagnosis system based on big data technology |
| CN106840666A (en) * | 2017-04-07 | 2017-06-13 | 贵州电网有限责任公司电力科学研究院 | One kind is based on digital communication water turbine set stability test device |
| CN108802615A (en) * | 2018-08-01 | 2018-11-13 | 贵州电网有限责任公司 | Hydro turbine governor static properties tests system and its test method |
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| Date | Code | Title | Description |
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| 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: 20090527 Termination date: 20110812 |