CN104879294A - Device and method for analyzing transient signals of water pump - Google Patents
Device and method for analyzing transient signals of water pump Download PDFInfo
- Publication number
- CN104879294A CN104879294A CN201510175603.XA CN201510175603A CN104879294A CN 104879294 A CN104879294 A CN 104879294A CN 201510175603 A CN201510175603 A CN 201510175603A CN 104879294 A CN104879294 A CN 104879294A
- Authority
- CN
- China
- Prior art keywords
- signal
- voltage
- current
- dynamic
- digital signal
- 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.)
- Granted
Links
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The invention relates to a device and a method for analyzing transient signals of a water pump. The device comprises a signal collection unit, an analog-digital conversion unit, a signal processing unit and a display unit, the signal collection unit is used for collecting the transient signals, the analog-digital conversion unit is used for converting the transient signals, and the signal processing unit is used for analyzing the transient signals. The signal collection unit, the analog-digital conversion unit and the signal processing unit, so that the transient signals of the water pump can be recorded, processed and displayed synchronously, and the technical problems of nonuniformity in interface of sensors different in signal type, proneness to mistakes due to on-site wiring disorder and difficulty in wire carrying are solved; the device can record voltage signals and current signals while recording and processing dynamic signals.
Description
Technical field
The present invention relates to water pump and pumping station monitoring technical field, be specifically related to a kind of water pump transient signal analytical equipment and method.
Background technique
At present, the transient signal of pumping station is monitored, Main Basis " hydraulic machinery vibration and pulsation on-the-spot test code " (GB 17189-1997).This code just proposes the requirement of detected pressures peak systole for hydraulic machinery (particularly water turbine), but for water pump, the position of detected pressures pulsating quantity needed for non-specified in more detail, and how to evaluate pressure pulse value.In addition, current all pressure pulsation testing signals, all separate with the testing signal such as vibration, noise and process, and lacking can the method and apparatus analyzed of synchronous recording and process water pump transient signal.
Along with the development of hyundai electronics sensor and computer technology, it is on-the-spot that Dynamic High-accuracy signal acceleration transducer, voltage signal velocity transducer and high frequency piezoresistance type current signal pressure pulsation sensor sensor are more and more applied to water station station.It is inconsistent often to there is interfaces of connecting wires in the sensor of unlike signal type, thus cause field connection many, easily make mistakes and carry the problems such as difficulty.And each signal demand is measured respectively, more finally gather arrangement, the linking analysis between water pump transient signal is more difficult, also will pay more manpower, and the operational administrative of data is also quite inconvenient.
At present, occurred the testing apparatus of multichannel water pump and pumping station, but majority is only the test based on current signal or voltage signal, and is characterized as master mainly with concern pressure, flow, rotating speed and moment of torsion etc. are outer.
Summary of the invention
Technical problem to be solved by this invention is how can synchronous recording and process water pump transient signal.
For this purpose, the present invention proposes a kind of can a kind of water pump transient signal analytical equipment of synchronous recording and process water pump transient signal and method.
The invention provides a kind of water pump transient signal analytical equipment, comprising:
Signal gathering unit, for gathering at least one transient signal of target water pump, described transient signal is Dynamic Signal and/or current signal and/or voltage signal;
AD conversion unit, for being converted to dynamic digital signal and/or current digital signal and/or voltage digital signal respectively by described Dynamic Signal and/or current signal and/or voltage signal;
Signal processing unit, for carrying out time-domain analysis, frequecny domain analysis and time-frequency combination analysis to described dynamic digital signal and/or current digital signal and/or voltage digital signal;
Display unit, for showing the result that described signal processing unit is analyzed described dynamic digital signal, current digital signal and voltage digital signal.
Alternatively, described signal gathering unit comprises: Dynamic Signal receive path, current signal receive path and voltage signal receive path;
Described AD conversion unit comprises: dynamic signal acquisition card, current signal capture card and voltage signal acquisition card.
Alternatively, described dynamic signal acquisition card, current signal capture card and voltage signal acquisition card include signal condition unit, signal filtering unit and analog-to-digital conversion unit; Wherein,
Described signal condition unit, for amplifying described Dynamic Signal and/or current signal and/or voltage signal;
Described signal filtering unit, for carrying out filtering to described Dynamic Signal and/or current signal and/or voltage signal;
Described analog-to-digital conversion unit, for being converted to dynamic digital signal, current digital signal and voltage digital signal by described Dynamic Signal, current signal and the voltage signal after described signal filtering unit filtering.
Alternatively, described Dynamic Signal comprises needs and encourages the signal just changed.
Alternatively, described signal processing unit comprises time-domain analysis unit, spectral analysis unit and time frequency analysis unit; Wherein,
Described time-domain analysis unit, for analyzing the mean value of described Dynamic Signal, current signal and voltage signal, effective value, kurtosis value and 97% confidence coefficient peak-to-peak value;
Described spectral analysis unit, for analyzing the first dominant frequency of described Dynamic Signal, current signal and voltage signal, the second dominant frequency and the 3rd dominant frequency and amplitude thereof;
Described time frequency analysis unit, for analyzing the main frequency situation over time of described dynamic digital signal, current digital signal and voltage digital signal.
The present invention also provides a kind of water pump transient signal analytical method, comprising:
Gather at least one transient signal of target water pump, described transient signal is Dynamic Signal and/or current signal and/or voltage signal;
Described Dynamic Signal and/or current signal and/or voltage signal are converted to respectively dynamic digital signal and/or current digital signal and/or voltage digital signal;
Time-domain analysis, frequecny domain analysis and time-frequency combination analysis are carried out to described dynamic digital signal and/or current digital signal and/or voltage digital signal;
Show the result to described dynamic digital signal and/or current digital signal and/or voltage digital signal analysis.
Alternatively, the Dynamic Signal that sends of described reception external sensor and/or current signal and/or voltage signal comprise:
The Dynamic Signal of described target water pump is received by Dynamic Signal receive path;
The current signal of described target water pump is received by current signal receive path;
The voltage signal of described target water pump transmission is received by voltage signal receive path;
Describedly described Dynamic Signal and/or current signal and/or voltage signal are converted to dynamic digital signal and/or current digital signal and/or voltage digital signal respectively comprise: respectively described Dynamic Signal and/or described current signal and/or described voltage signal are converted to dynamic digital signal by AD conversion unit.
Alternatively, describedly described Dynamic Signal and/or current signal and/or voltage signal be converted to dynamic digital signal, current digital signal and voltage digital signal respectively comprise:
Amplify described Dynamic Signal and/or current signal and/or voltage signal;
Filtering is carried out to described Dynamic Signal and/or current signal and/or voltage signal;
Filtered described Dynamic Signal and/or current signal and/or voltage signal are converted to dynamic digital signal and/or current digital signal and/or voltage digital signal.
Alternatively, described Dynamic Signal comprises needs and encourages the signal just changed.
Alternatively, describedly time-domain analysis, frequecny domain analysis and time-frequency combination analysis carried out to described dynamic digital signal and/or current digital signal and/or voltage digital signal comprise:
Analyze the mean value of described dynamic digital signal and/or current digital signal and/or voltage digital signal, effective value, kurtosis value and 97% confidence coefficient peak-to-peak value;
Analyze the first dominant frequency of described dynamic digital signal and/or current digital signal and voltage digital signal, the second dominant frequency and the 3rd dominant frequency and amplitude thereof respectively;
Analyze the main frequency situation over time of described dynamic digital signal and/or current digital signal and/or voltage digital signal respectively.
A kind of water pump transient signal analytical equipment and method disclosed in the present invention, this device is by integrated signal collecting unit, AD conversion unit and signal processing unit, can synchronous recording, process and display water pump transient signal, the sensor interface avoiding unlike signal type in prior art is inconsistent, and field connection confusion is easily made mistakes and difficult technical problem is carried in wiring; The present invention simultaneously can also while recording voltage signal and current signal, record and process Dynamic Signal.
Accompanying drawing explanation
Can understanding the features and advantages of the present invention clearly by reference to accompanying drawing, accompanying drawing is schematic and should not be construed as and carry out any restriction to the present invention, in the accompanying drawings:
Fig. 1 shows the structural representation of a kind of water pump transient signal analytical equipment of one of them embodiment of the present invention;
The signal of a kind of water pump transient signal analytical equipment and water pump that Fig. 2 has gone out one of them embodiment of the present invention flows to schematic diagram;
Fig. 3 has gone out the schematic flow sheet of a kind of water pump transient signal analytical method of one of them embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
A kind of water pump transient signal analytical equipment, as shown in Figure 1, comprising:
Signal gathering unit 11, for gathering at least one transient signal of target water pump, transient signal is Dynamic Signal and/or current signal and/or voltage signal;
AD conversion unit 12, for being converted to dynamic digital signal and/or current digital signal and/or voltage digital signal respectively by Dynamic Signal and/or current signal and/or voltage signal;
Signal processing unit 13, for carrying out time-domain analysis, frequecny domain analysis and time-frequency combination analysis to dynamic digital signal and/or current digital signal and/or voltage digital signal;
Display unit 14, for the result that display processing unit is analyzed dynamic digital signal, current digital signal and voltage digital signal.
A kind of water pump transient signal analytical equipment disclosed in the present embodiment, by adopting unified signal gathering unit, AD conversion unit and signal processing unit, can synchronous recording and process water pump transient signal, the sensor interface avoiding unlike signal type in prior art is inconsistent, cause field connection confusion easily make mistakes and wiring carry difficulty technical problem.In addition, can also while recording voltage signal and current signal, record and process Dynamic Signal.
Particularly, signal gathering unit comprises: Dynamic Signal receive path, current signal receive path and voltage signal receive path; The quantity of Dynamic Signal receive path can be 8, and the quantity of current signal receive path can be 8, and the quantity of voltage signal receive path can be 8; The interface of this Dynamic Signal receive path, current signal receive path and voltage signal receive path is four pin aviation plug interface or coaxial cable interfaces.Target water pump is provided with the multiple sensors can measuring various parameter, such as, acceleration transducer, pressure pulsation sensor and sound level meter etc., for measuring pump housing oscillating signal, pressure fluctuation signal and noise signal etc.Each sensor can generate a Dynamic Signal or voltage signal or current signal, these Dynamic Signals or voltage telecommunications or current signal are transient signal, and each transient signal all correspond to the one in Dynamic Signal receive path, current signal receive path and voltage signal receive path.
In the experimentation of the present embodiment, the actual voltage signal receive path used can be 6, and other 2 voltage signal receive paths can be set as alternative, to add sensor when later stage target water pump improves, thus receive the voltage signal of the sensor transmission increased; Current signal receive path and voltage signal receive path similar, do not repeat them here.
Particularly, AD conversion unit comprises: dynamic signal acquisition card, current signal capture card and voltage signal acquisition card.
Each dynamic signal acquisition card, current signal capture card and voltage signal acquisition card include signal condition unit, signal filtering unit and analog-to-digital conversion unit; This dynamic signal acquisition card-type number is NI 9234, and current signal capture card model is NI 9203, and voltage signal acquisition card-type number is NI 9201.
Wherein,
Signal condition unit, for amplifying Dynamic Signal and/or current signal and/or voltage signal;
Signal filtering unit, for carrying out filtering to Dynamic Signal and/or current signal and/or voltage signal;
Analog-to-digital conversion unit, for being converted to dynamic digital signal and/or current digital signal and/or voltage digital signal by the Dynamic Signal after signal filtering unit filtering and/or current signal and/or voltage signal.
Described Dynamic Signal comprises needs and encourages the signal just changed.In the working procedure of water pump, the signal that each sensor that it is installed receives constantly changes according to the change of hydraulic pressure, temperature or other enviromental parameters, thus formative dynamics signal.The present invention, except recording and process except voltage signal and current signal, can also record and process Dynamic Signal.
Particularly, signal processing unit comprises time-domain analysis unit, spectral analysis unit and time frequency analysis unit;
Wherein,
Described time-domain analysis unit, for analyzing the mean value of described Dynamic Signal, current signal and voltage signal, effective value, kurtosis value and 97% confidence coefficient peak-to-peak value;
Described spectral analysis unit, for analyzing the first dominant frequency of described Dynamic Signal, current signal and voltage signal, the second dominant frequency and the 3rd dominant frequency and amplitude thereof;
Described time frequency analysis unit, for analyzing the main frequency situation over time of described dynamic digital signal, current digital signal and voltage digital signal.
Time frequency analysis unit is for analyzing the change in time of dynamic digital signal, current digital signal and voltage digital signal; Spectral analysis unit is for analyzing the change in frequency of dynamic digital signal, current digital signal and voltage digital signal; And time frequency analysis unit, in conjunction with time domain and frequency domain, the frequency situation over time of dynamic digital signal, current digital signal and voltage digital signal can be analyzed simultaneously.
As shown in Figure 2, particularly, target water pump 101 is provided with the multiple sensors can measuring various parameter, such as, acceleration transducer, pressure pulsation sensor and sound level meter etc., measure pump housing oscillating signal, pressure fluctuation signal and noise number etc.Each sensor can generate a Dynamic Signal or voltage signal or current signal.Water pump transient signal analytical equipment 102 of the present invention receives this Dynamic Signal and/or voltage signal and/or current signal, and carry out nursing one's health, filtering and digital-to-analog conversion, then, the Matlab software that computer 103 is installed is adopted to carry out time-domain analysis, frequency analysis and time frequency analysis.
Particularly, signal processing unit is connected by USB interface with display unit.
Water pump transient signal analytical equipment of the present invention also comprises power supply 15, by three pin standard interfaces for this device is powered.
To sum up, embodiments of the invention are by adopting unified signal gathering unit, AD conversion unit and signal processing unit, gather Dynamic Signal, current signal and/or voltage signal targetedly, can synchronous recording and process water pump transient signal, and Graphics Processing result substantially increases the monitoring of water pump transient signal and analysis level in real time, and the device mode of connection of the present invention is simple and reliable, replaceability is good, effectively reduce the quantity of wiring, thus avoid the mistake that wiring quantity too much causes.
The present invention also provides a kind of water pump transient signal analytical method, as shown in Figure 3, comprising:
S1, gathers at least one transient signal of target water pump, and described transient signal is Dynamic Signal and/or current signal and/or voltage signal;
S2, is converted to dynamic digital signal and/or current digital signal and/or voltage digital signal respectively by described Dynamic Signal and/or current signal and/or voltage signal;
S3, carries out time-domain analysis, frequecny domain analysis and time-frequency combination analysis to described dynamic digital signal and/or current digital signal and/or voltage digital signal;
S4, shows the result to described dynamic digital signal and/or current digital signal and/or voltage digital signal analysis.
Described step S1 comprises:
S101, receives the Dynamic Signal of described target water pump by Dynamic Signal receive path;
S102, receives the current signal of described target water pump by current signal receive path;
S103, receives the voltage signal of described target water pump transmission by voltage signal receive path.
Particularly, the quantity of Dynamic Signal receive path is 8, and the quantity of current signal receive path is 8, and the quantity of voltage signal receive path is 8; The interface of this Dynamic Signal receive path, current signal receive path and voltage signal receive path is four pin aviation plug interface or coaxial cable interfaces.Target water pump is provided with the multiple sensors can measuring various parameter, such as, acceleration transducer, pressure pulsation sensor and sound level meter etc., measure pump housing oscillating signal, pressure fluctuation signal and noise number etc.Each sensor can generate a Dynamic Signal or voltage signal or current signal, these Dynamic Signals or voltage telecommunications or current signal are transient signal, each transient signal all correspond to the one in Dynamic Signal receive path, current signal receive path and voltage signal receive path, in experimentation of the present invention, the actual voltage signal receive path used is 6, other 2 voltage signal receive paths are as alternative, so that when later stage target water pump improves, add sensor, the voltage signal that increased sensor sends can be received; Current signal receive path and voltage signal receive path similar, do not repeat them here.
Described step S2 comprises:
S201, is converted to dynamic digital signal by described Dynamic Signal and/or described current signal and/or described voltage signal respectively by AD conversion unit.
Described step S201 comprises:
S2011, amplifies described Dynamic Signal and/or current signal and/or voltage signal;
S2012, carries out filtering to described Dynamic Signal and/or current signal and/or voltage signal;
S2013, is converted to dynamic digital signal and/or current digital signal and/or voltage digital signal by filtered described Dynamic Signal and/or current signal and/or voltage signal.
Particularly, described Dynamic Signal comprises needs and encourages the signal just changed.In the working procedure of water pump, the signal that each sensor that it is installed receives is constantly change, namely so-called transient signal.The present invention, except recording and process except voltage signal and current signal, can also record and process Dynamic Signal.
Described step S3 comprises:
S301, analyzes the mean value of described dynamic digital signal and/or current digital signal and/or voltage digital signal, effective value, kurtosis value and 97% confidence coefficient peak-to-peak value;
S302, analyzes the first dominant frequency of described dynamic digital signal and/or current digital signal and voltage digital signal, the second dominant frequency and the 3rd dominant frequency and amplitude thereof respectively;
S303, analyzes the main frequency situation over time of described dynamic digital signal and/or current digital signal and/or voltage digital signal respectively.A kind of water pump transient signal analytical method disclosed in this invention, by unified at least one transient signal gathering target water pump, described transient signal is Dynamic Signal and/or current signal and/or voltage signal; Described Dynamic Signal and/or current signal and/or voltage signal are converted to respectively dynamic digital signal and/or current digital signal and/or voltage digital signal; Time-domain analysis, frequecny domain analysis and time-frequency combination analysis are carried out to described dynamic digital signal and/or current digital signal and/or voltage digital signal; The sensor interface that this method avoid unlike signal type in prior art is inconsistent, and field connection confusion is easily made mistakes and difficult technical problem is carried in wiring; The present invention simultaneously can also while recording voltage signal and current signal, and record and process Dynamic Signal, effectively improve the precision of water pump and pumping station monitoring.
Although describe embodiments of the present invention by reference to the accompanying drawings, but those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, such amendment and modification all fall into by within claims limited range.
Claims (10)
1. a water pump transient signal analytical equipment, is characterized in that, comprising:
Signal gathering unit, for gathering at least one transient signal of target water pump, described transient signal is Dynamic Signal and/or current signal and/or voltage signal;
AD conversion unit, for being converted to dynamic digital signal and/or current digital signal and/or voltage digital signal respectively by described Dynamic Signal and/or current signal and/or voltage signal;
Signal processing unit, for carrying out time-domain analysis, frequecny domain analysis and time-frequency combination analysis to described dynamic digital signal and/or current digital signal and/or voltage digital signal;
Display unit, for showing the result that described signal processing unit is analyzed described dynamic digital signal, current digital signal and voltage digital signal.
2. water pump transient signal analytical equipment according to claim 1, is characterized in that,
Described signal gathering unit comprises: Dynamic Signal receive path, current signal receive path and voltage signal receive path;
Described AD conversion unit comprises: dynamic signal acquisition card, current signal capture card and voltage signal acquisition card.
3. water pump transient signal analytical equipment according to claim 2, is characterized in that,
Described dynamic signal acquisition card, current signal capture card and voltage signal acquisition card include signal condition unit, signal filtering unit and analog-to-digital conversion unit; Wherein,
Described signal condition unit, for amplifying described Dynamic Signal and/or current signal and/or voltage signal;
Described signal filtering unit, for carrying out filtering to described Dynamic Signal and/or current signal and/or voltage signal;
Described analog-to-digital conversion unit, for being converted to dynamic digital signal and/or current digital signal and/or voltage digital signal by the described Dynamic Signal after described signal filtering unit filtering and/or current signal and/or voltage signal.
4. water pump transient signal analytical equipment according to claim 1, is characterized in that,
Described Dynamic Signal comprises needs and encourages the signal just changed.
5. the water pump transient signal analytical equipment according to any one of claim 1-4, is characterized in that,
Described signal processing unit comprises time-domain analysis unit, spectral analysis unit and time frequency analysis unit; Wherein,
Described time-domain analysis unit, for analyzing the mean value of described Dynamic Signal, current signal and voltage signal, effective value, kurtosis value and 97% confidence coefficient peak-to-peak value;
Described spectral analysis unit, for analyzing the first dominant frequency of described Dynamic Signal, current signal and voltage signal, the second dominant frequency and the 3rd dominant frequency and amplitude thereof;
Described time frequency analysis unit, for analyzing the main frequency situation over time of described dynamic digital signal, current digital signal and voltage digital signal.
6. a water pump transient signal analytical method, is characterized in that, comprising:
Gather at least one transient signal of target water pump, described transient signal is Dynamic Signal and/or current signal and/or voltage signal;
Described Dynamic Signal and/or current signal and/or voltage signal are converted to respectively dynamic digital signal and/or current digital signal and/or voltage digital signal;
Time-domain analysis, frequecny domain analysis and time-frequency combination analysis are carried out to described dynamic digital signal and/or current digital signal and/or voltage digital signal;
Show the result to described dynamic digital signal and/or current digital signal and/or voltage digital signal analysis.
7. water pump transient signal analytical method according to claim 6, is characterized in that,
At least one transient signal of described collection target water pump, described transient signal is that Dynamic Signal and/or current signal and/or voltage signal comprise:
The Dynamic Signal of described target water pump is received by Dynamic Signal receive path;
The current signal of described target water pump is received by current signal receive path;
The voltage signal of described target water pump transmission is received by voltage signal receive path;
Describedly described Dynamic Signal and/or current signal and/or voltage signal be converted to dynamic digital signal and/or current digital signal and/or voltage digital signal respectively comprise:
Respectively described Dynamic Signal and/or described current signal and/or described voltage signal are converted to dynamic digital signal by AD conversion unit.
8. water pump transient signal analytical method according to claim 7, is characterized in that, describedly respectively described Dynamic Signal and/or described current signal and/or described voltage signal is converted to dynamic digital signal by AD conversion unit and comprises:
Amplify described Dynamic Signal and/or current signal and/or voltage signal;
Filtering is carried out to described Dynamic Signal and/or current signal and/or voltage signal;
Filtered described Dynamic Signal and/or current signal and/or voltage signal are converted to dynamic digital signal and/or current digital signal and/or voltage digital signal.
9. water pump transient signal analytical method according to claim 6, is characterized in that,
Described Dynamic Signal comprises needs and encourages the signal just changed.
10. according to the arbitrary described water pump transient signal analytical method of claim 6-9, it is characterized in that, describedly time-domain analysis, frequecny domain analysis and time-frequency combination analysis are carried out to described dynamic digital signal and/or current digital signal and/or voltage digital signal comprise:
Analyze the mean value of described dynamic digital signal and/or current digital signal and/or voltage digital signal, effective value, kurtosis value and 97% confidence coefficient peak-to-peak value;
Analyze the first dominant frequency of described dynamic digital signal and/or current digital signal and voltage digital signal, the second dominant frequency and the 3rd dominant frequency and amplitude thereof respectively;
Analyze the main frequency situation over time of described dynamic digital signal and/or current digital signal and/or voltage digital signal respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510175603.XA CN104879294B (en) | 2015-04-14 | 2015-04-14 | A kind of water pump transient signal analytical equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510175603.XA CN104879294B (en) | 2015-04-14 | 2015-04-14 | A kind of water pump transient signal analytical equipment and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104879294A true CN104879294A (en) | 2015-09-02 |
| CN104879294B CN104879294B (en) | 2017-12-26 |
Family
ID=53946927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510175603.XA Active CN104879294B (en) | 2015-04-14 | 2015-04-14 | A kind of water pump transient signal analytical equipment and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104879294B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241483A (en) * | 2015-11-04 | 2016-01-13 | 长春理工大学 | Transient field signal display method and device |
| CN108757502A (en) * | 2018-05-15 | 2018-11-06 | 江苏大学 | A kind of water pump assembly typical case's health status monitoring device and method based on Internet of Things |
| CN116717461A (en) * | 2023-08-01 | 2023-09-08 | 德耐尔能源装备有限公司 | Intelligent monitoring method and system for operating state of vacuum pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080069376A1 (en) * | 2006-08-31 | 2008-03-20 | Tahir Rashid | Amplifier apparatus and method |
| CN101694212A (en) * | 2009-10-21 | 2010-04-14 | 中国农业大学 | Pump and pump station integrated tester |
| CN102758613A (en) * | 2012-07-03 | 2012-10-31 | 常州大学 | Drilling pump fault detection and diagnosis method and system based on dynamic model |
| CN103763051A (en) * | 2014-02-12 | 2014-04-30 | 上海创远仪器技术股份有限公司 | System for achieving transient signal capture and spectral analysis |
| CN104373338A (en) * | 2014-11-19 | 2015-02-25 | 北京航空航天大学 | Hydraulic pump fault diagnosing method based on LMD-SVD and IG-SVM |
-
2015
- 2015-04-14 CN CN201510175603.XA patent/CN104879294B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080069376A1 (en) * | 2006-08-31 | 2008-03-20 | Tahir Rashid | Amplifier apparatus and method |
| CN101694212A (en) * | 2009-10-21 | 2010-04-14 | 中国农业大学 | Pump and pump station integrated tester |
| CN102758613A (en) * | 2012-07-03 | 2012-10-31 | 常州大学 | Drilling pump fault detection and diagnosis method and system based on dynamic model |
| CN103763051A (en) * | 2014-02-12 | 2014-04-30 | 上海创远仪器技术股份有限公司 | System for achieving transient signal capture and spectral analysis |
| CN104373338A (en) * | 2014-11-19 | 2015-02-25 | 北京航空航天大学 | Hydraulic pump fault diagnosing method based on LMD-SVD and IG-SVM |
Non-Patent Citations (1)
| Title |
|---|
| 杨其俊等: "钻井泵泵阀状态的监测与故障诊断", 《石油大学学报（自然科学版）》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241483A (en) * | 2015-11-04 | 2016-01-13 | 长春理工大学 | Transient field signal display method and device |
| CN108757502A (en) * | 2018-05-15 | 2018-11-06 | 江苏大学 | A kind of water pump assembly typical case's health status monitoring device and method based on Internet of Things |
| WO2019218408A1 (en) * | 2018-05-15 | 2019-11-21 | 江苏大学 | Internet of things-based device and method for monitoring typical health status of pump unit |
| CN116717461A (en) * | 2023-08-01 | 2023-09-08 | 德耐尔能源装备有限公司 | Intelligent monitoring method and system for operating state of vacuum pump |
| CN116717461B (en) * | 2023-08-01 | 2023-11-28 | 德耐尔能源装备有限公司 | Intelligent monitoring method and system for operating state of vacuum pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104879294B (en) | 2017-12-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206772429U (en) | Noise source tests and analyzes device | |
| CN203719811U (en) | Weak voltage signal detection device of micro-voltage sensor | |
| CN107121271B (en) | Experimental method for identifying foundation modal parameters of heavy machine tool foundation | |
| CN104459187A (en) | Device and method for measuring rotating speed of large rotating equipment | |
| CN107218955B (en) | Field device and detector | |
| CN104879294A (en) | Device and method for analyzing transient signals of water pump | |
| CN206208528U (en) | Aero-engine vibration-testing apparatus | |
| CN107271022A (en) | A kind of transformer vibration noise Integrated Measurement System | |
| CN105067048A (en) | Vibration interference resisting measuring method of digitalized vortex shedding flowmeter | |
| CN109425392B (en) | On-site instrument, system and waveform data output method | |
| CN104374428A (en) | Noise measurement device with wind speed measurement function and implement method of noise measurement device with wind speed measurement function | |
| CN103712669A (en) | Flow gauge online calibration device | |
| CN204228369U (en) | A kind of calibrating installation of vibration table | |
| CN202947794U (en) | Acquisition testing device of vibration signal of body surface of transformer | |
| CN201392240Y (en) | Bearing noise level measuring instrument | |
| CN105509871B (en) | It is a kind of applied to vibrating sensor from calibrating installation and its from calibration method | |
| KR100366397B1 (en) | Automatic measuring and assessment system for bridge diagnostics | |
| CN104568306B (en) | Dynamic performance calibration device for force sensor | |
| CN102866031A (en) | Method for testing response relation of load position and bridge | |
| CN105424166A (en) | Vibration quality detection system and method | |
| CN202209988U (en) | Intelligent control type acoustic vibration measuring instrument | |
| CN105572655B (en) | A kind of faint underwater sound signal simulation and test device | |
| CN106802182A (en) | A kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device | |
| CN201589656U (en) | Measuring device for rotary mechanical vibration signal relative phases | |
| CN104050503A (en) | Grain counting sensor based on collision sound recognition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |