CN201583341U - Spot-check detection device for vibration state of water flooding unit - Google Patents
Spot-check detection device for vibration state of water flooding unit Download PDFInfo
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- CN201583341U CN201583341U CN2010201040639U CN201020104063U CN201583341U CN 201583341 U CN201583341 U CN 201583341U CN 2010201040639 U CN2010201040639 U CN 2010201040639U CN 201020104063 U CN201020104063 U CN 201020104063U CN 201583341 U CN201583341 U CN 201583341U
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Abstract
The utility model relates to a spot-check detection device for a vibration state of a water flooding unit, which comprises a detected water flooding unit, a vibration detection module, an equipment load detection module, a revolution detection module, an acoustic emission detection module, an online state detection and analysis module, a database management module, a multiple signal modulating module and an output module. The vibration detection module, the equipment load detection module, the revolution detection module and the acoustic emission detection module respectively send various detected signals of the detected water flooding unit into the online state detection and analysis module, the processed signals are sent to the database management module to be classified and then inputted to the multiple signal modulating module, and simultaneously, technical index for detecting equipment is inputted into the multiple signal modulating module and then modulated into audio signals to be sent to the output module, the whole detection device is supplied with power by a power supply module and controlled to work by a control system, and an output end of the online state detection and analysis module is connected with an image display module. The spot-check detection device for vibration state of a water flooding unit can be widely applied to failure detection and forecasting of various rotary equipment.
Description
Technical field
The utility model relates to a kind of mechanical Fault Monitoring of HV device, particularly about a kind of spot check pick-up unit of water filling unit vibration state.
Background technology
Large-scale water filling unit is widely used in oil field operation, and the water filling unit belongs to large-scale slewing, its work under bad environment, and to the status monitoring and the fault detect of its safe operation, people very are concerned about all the time and pay attention to.The safe and reliable operation of support equipment can not only be enhanced productivity and can also be reduced cost of equipment maintenance.For industry spot, the operator determines by the key components and partss such as bearing on the equipment being carried out spot check whether equipment moves normally, online system failure diagnosis at present commonly used is because complicated operation and costing an arm and a leg, to the water injection equipment of widespread, often be difficult to be applied.Existing spot check mode generally is to adopt to listen clave to monitor, this mode is monitored inconvenience, also unrealistic in high temperature, danger or narrow and small place, and the water filling unit noise of industry spot high speed rotating is very big, have very mistake by listening clave to monitor, some potential fault often can not in time be found; Also having a kind of method is the vibration situation of coming checkout equipment by Portable Vibration, this method generally can detect the fault that key components and parts has existed, but this method is not obvious to the reaction of water filling unit initial failure, especially the crack fault to housing is difficult to effective detection, and this method just can obtain by the tracing analysis to vibration signal often to the reaction of fault, and non-specialized-technical personnel's execute-in-place worker often is difficult to come accurate judgment device fault by identification curve spectrogram.
Therefore, cause enormous economic loss for avoiding important plant equipment unexpected shutdown, traditional maintenance mode " based on the preventive maintenance of time " is the main maintenance mode of water injection equipment at present.Periodically the time cycle of compulsory maintenance is often left bigger safety coefficient, but this maintenance mode is uneconomic.In addition, current industrial production is more and more paid attention to reducing cost, and particularly requires to prolong the equipment operation cycle when avoiding plant equipment to have an accident as far as possible.For this reason, press for the online measuring technique that can provide determining apparatus state promptly and accurately to develop and maintain information, and this technology also want can be simple and practical in industry spot.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides a kind of spot check pick-up unit that detects higher, the simple to operate and lower-cost water filling unit vibration state of degree of accuracy.
For achieving the above object, the utility model is taked following technical scheme: a kind of spot check pick-up unit of water filling unit vibration state is characterized in that: it comprises a tested water filling unit, a vibration detection module, an apparatus of load detection module, a rotating speed detection module, an acoustic emission detection module, a presence check and analysis module, a database management module, the modulation module of signal more than one and an output module; The various signals that described vibration survey module, apparatus of load detection module, rotating speed detection module and acoustic emission detection module will detect respectively on the described tested water filling unit are sent in the described presence check and analysis module, after signal after the processing is sent into and is carried out the data classified finishing in the described database management module, import described many signals modulation module, simultaneously the technical indicator of checkout equipment is imported in described many signals modulation module, sends into described output module after being modulated into sound signal; Whole detection device is powered by a supply module, and controls whole device work by a control system; The output terminal of described presence check and analysis module connects an image display module.
Described vibration survey module comprises a piezoelectric acceleration transducer, a prime amplifier module and a hardware filtering device module, the output terminal of described piezoelectric acceleration transducer connects described hardware filtering device module through described prime amplifier module, and the output terminal of described hardware filtering device module connects described presence check and analysis module.
Described apparatus of load detection module comprises a torque sensor, a Hall current sensor, a Hall voltage sensor, two selector switchs, an intermediate conversion device and a selector module; Described torque sensor, Hall current sensor and the output terminal of Hall voltage sensor all are connected the input end of a described selector switch, this described selector switch connects an input end of another described selector switch through described intermediate conversion device, another input end of this described selector switch connects a man-machine input window, and output terminal connects described presence check and analysis module.
Described rotating speed detection module comprises a magnetoelectric sensor and a selector switch, and the output terminal of described magnetoelectric sensor connects an input end of described selector switch, and another input end of described selector switch connects described man-machine input window.
Described many signals modulation module comprises three counters, a rotating speed modulator, a power modulators, a moment of torsion modulator and a modulating audio frequency module; The input end of three described counters connects described database management module output terminal respectively, and wherein the tach signal of a described counter output is imported described rotating speed modulator; The power signal of another described counter output is imported described power modulators; The torque signal of the 3rd described counter output is imported described moment of torsion modulator, and the output terminal of each modulator all is connected with described modulating audio frequency module; The vibration frequency amplitude signal and the acoustic emission spectrum signal of described database management module output are imported in the described modulating audio frequency module.
It is the collector of NI USB-6251BNC that described presence check and analysis module adopts model.
It is the resonant mode calibrate AE sensor of PXR series that described acoustic emission detection module adopts model.
The utility model is owing to take above technical scheme, and it has the following advantages: 1, the utility model can obtain the broadband signal from the low frequency to the high frequency owing to adopt vibration and acoustic emission while detection means.And the load of the current operation of bonding apparatus, speed conditions, with reflecting that six sections frequency multiplication values of water filling operating states of the units and acoustic emission spectrum carry out voice modulation simultaneously and convert 1000～8000 hertz of voice signals to, therefore have the better fault property distinguished.2, the utility model is owing to adopted the apparatus of load detection module, the modulated process that torque signal and power signal has been added sound signal, therefore such voice modulation can adapt to the different operating mode needs of equipment, the sound signal repeatability that obtains is better, has effectively avoided changing because of normal operating mode changes the signal that causes.3, the utility model obtains signal because the model that has adopted American National instrument company (NI) to produce is the collector of NI USB-6251BNC, therefore can effectively guarantee the accuracy of gained signal.4, the utility model can in time reflect equipment running status owing to adopted presence check and analysis module, and the in addition mode of color change of curve map, histogram has been adopted in the demonstration of signal, therefore can know that facility obtains testing result.5, the utility model is owing to adopt the mode judgment device running status of sound monitoring, the workman who safeguards for industrial field device, can more convenient realization to the spot check of key components and parts, can access and apply.6, the utility model adopts the mode that the audio signal modulation deposit is preserved, and can realize under the off-line state playback to the result.Therefore avoided under the too big situation of high temperature, danger, narrow and small place or ground unrest, monitoring inaccurate.The utility model can be widely used in the fault detect and forecast of various rotation electromechanical equipments.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model,
Fig. 2 is many signals modulation module structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
As shown in Figure 1, the utility model comprises a tested water filling unit 1, a vibration detection module 2, an apparatus of load detection module 3, a rotating speed detection module 4, an acoustic emission detection module 5, a presence check and analysis module 6, a database management module 7, the modulation module of signal more than one 8 and an output module 9.Vibration survey module 2, apparatus of load detection module 3, rotating speed detection module 4 and acoustic emission detection module 5 will detect the vibration signal on the tested water filling unit 1 respectively, the apparatus of load signal, tach signal and equipment acoustic emission signal all are fed in the line states check and analysis module 6, by presence check and analysis module 6 with the signal of finishing dealing with send into carry out the data classified finishing in the database management module 7 after, import many signals modulation module 8, simultaneously the technical indicator of checkout equipment is also imported in many signals modulation module 8, sends into output module 9 after vibration signal six band frequency amplitude signals and acoustic emission signal spectrum signal are modulated into sound signal.Wherein, the output terminal of presence check and analysis module 6 also connects an image display module 10, rumble spectrum curve map, acoustic emission spectrum curve map, moment of torsion histogram, power histogram and rotating speed histogram with tested water filling unit 1 each measured point signal, size according to value is in time reflected by the display interface of image display module 10 by the modes such as color that change each display graphics.Whole detection device of the present utility model is embodied as its function of supplying power by a supply module (not marking among the figure), and by the whole device work of a control system (not marking among the figure) control, and then the reliability service of assurance device.
In the foregoing description, vibration survey module 2 comprises a piezoelectric acceleration transducer 21, a prime amplifier module 22 and a hardware filtering device module 23, the input end of piezoelectric acceleration transducer 21 is connected with measured point on the tested water filling unit 1, the output terminal of piezoelectric acceleration transducer 21 is through prime amplifier module 22 connection hardware filter modules 23, and the output terminal of hardware filtering device module 23 is connected line states check and analysis module 6 input ends.
In the foregoing description, apparatus of load detection module 3 comprises a torque sensor 31, a Hall current sensor 32, a Hall voltage sensor 33, two selector switchs 34, an intermediate conversion device 35 and a selector module 36.Torque sensor 31, Hall current sensor 32 and the output terminal of Hall voltage sensor 33 all are connected the input end of a selector switch 34, judge the selection sensed power or select to detect torque signal through this selector switch 34, or after selecting while sensed power and torque signal, through intermediate conversion device 35 detection signal is changed, import in another selector switch 34, another input end of this selector switch 34 connects a man-machine input window 11, and output terminal is connected line states check and analysis module 6 input ends.Being selected by second selector switch 34 is that torque signal or power signal that apparatus of load detection module 3 collects are imported in the presence check and analysis module 6, and still torque signal or the power signal with man-machine input window 11 inputs imports in the presence check and analysis module 6.
In the foregoing description, rotating speed detection module 4 comprises a magnetoelectric sensor 41 and a selector switch 42, the input end of magnetoelectric sensor 41 is connected with measured point on the tested water filling unit 1, and output terminal connects an input end of selector switch 42, and another input end of selector switch 42 connects man-machine input window 10.Being selected by selector switch 42 is that the equipment tach signal that rotating speed detection module 4 collects is imported in the presence check and analysis module 6, and still the equipment tach signal with man-machine input window 10 inputs imports in the presence check and analysis module 6.
As shown in Figure 2, in the foregoing description, many signals modulation module 8 comprises three counters 81, a rotating speed modulator 82, a power modulators 83, a moment of torsion modulator 84 and a modulating audio frequency module 85, and wherein the input end of three counters 81 connects tach signal, power signal, torque signal and each ratings of predefined equipment of database management module 7 outputs respectively.The tach signal input speed modulator 82 of a counter 81 output wherein; The power signal power input modulator 83 of another counter 81 outputs; The torque signal input torque modulator 84 of the 3rd counter 81 outputs, the output terminal of each modulator all is connected with modulating audio frequency module 85.Wherein, the six sections vibration frequency amplitude signals and the acoustic emission spectrum signal of database management module 7 output are directly imported in the modulating audio frequency module 85, export through modulating audio frequency module 85 modulation backs.
In the various embodiments described above, the model that presence check and analysis module 6 adopts American National instrument company (NI) to produce is the collector of NI USB-6251BNC, to obtain various sensor signals.
In the various embodiments described above, it is the resonant mode high sensitivity calibrate AE sensor of PXR series that acoustic emission detection module 5 adopts model.
The utility model is the operating mode situation according to large-scale water filling unit equipment, vibration signal, acoustic emission signal, torque signal, current signal, voltage signal and tach signal that spot check is obtained import presence check and analysis module 6 into and carry out analyzing and processing, obtain rumble spectrum curve map, acoustic emission spectrum curve map, moment of torsion histogram, power histogram and rotating speed histogram, according to the size of value, in time reflect by image display module 10 demonstrations by the modes such as color that change each display graphics.Also according to the operating mode situation of large-scale water filling unit equipment, vibration signal, acoustic emission signal that spot check obtains are carried out voice modulation, obtain the sound signal of following six sections vibration frequency amplitude signals of duty and acoustic emission spectrum,, realize fault detect equipment state by differentiating sound signal.Its concrete steps are as follows:
1) according to large-scale water filling unit equipment ruuning situation, determine in normal operation, by vibration detection module online acquisition vibration signal, calculate the vibration signal spectrum value, choose six sections 0.42f
0 v, 1f
0 v, 2f
0 v, 3f
0 v, 5f
0 v, 7f
0 vThe amplitude of frequency multiplication value is V
0As the reference vibrating numerical, deposit database management module in; Wherein, f
0 vBe fundamental frequency, corresponding with the current rotating speed of water filling unit;
2) synchronous with step 1), by acoustic emission detection module online acquisition acoustic emission signal, calculate the acoustic emission signal spectrum value, amplitude maximal value in the calculated rate scope is with maximum amplitude Frequency point f
0 sBe the center, choose [f
0 s-500, f
0 s+ 500] bandwidth frequency amplitude A
0As reference acoustic emission referential data, deposit database management module in;
3) synchronous with step 1), record the torque signal T of equipment by the apparatus of load detection module
0, power signal P
0And finish rotating rate signal R by the rotating speed detection module
0, and deposit database management module in as the auxiliary parameter of vibration signal and acoustic emission signal;
4) according to the nominal torque T of equipment
n, rated power P
nWith rated speed R
n, and step 3) is measured the torque signal T that obtains
0, power signal P
0And rotating rate signal R
0, can obtain the torque vibration modulation factor
Moment of torsion acoustic emission modulation factor
The power vibration modulation factor
Power acoustic emission modulation factor
The speed vibration modulation factor
With rotating speed acoustic emission modulation factor
Wherein, k
vBe vibration modulation constant, k
sConstant is modulated in acoustic emission, can adjust the decibel value of sound signal by these two constants;
5) according to step 1) and step 2) obtain six sections vibration frequency multiplication value amplitude V
0Harmony transmitted bandwidth frequency amplitude A
0, and obtain various modulation factors, the sound signal F that obtains modulating by step 4)
0, and deposit database management module in as state canonical reference voice data just often;
6) when equipment is carried out spot check, same execution in step 1) to step 3), collect vibration frequency multiplication amplitude V, acoustic emission bandwidth frequency amplitude A, torque signal T, power signal P and rotating rate signal R respectively;
7), obtain actual acquisition signal sound signal F, and deposit sound signal in database management module with step 4) and step 5);
8) the normal condition reference audio signal F that step 5) and step 6) is obtained by earphone
0F monitors comparison with actual motion state sound signal, can promptly and accurately judge the ruuning situation of equipment.
Above-mentioned steps 5) in, audio signal modulation F
0For:
In the formula (1), f (V
0, α
0 v, β
0 v, χ
0 v) serve as reasons and vibrate the voice signal of frequency multiplication which amplitude modulation, it is:
In the following formula, the characteristic relatively more responsive to 1000～8000 hertz sound, definition F according to the mankind
Down=1000, F
On=8000;
In the formula (1), f (A
0, α
0 s, β
0 s, χ
0 s) be that it is by the voice signal of acoustic emission spectrum bandwidth value modulation:
In the formula,
Above-mentioned steps 7) in, actual acquisition sound signal F is:
F＝f(V，α
v，β
v，χ
v)+f(A，α
s，β
s，χ
s)， (4)
In the above steps, obtain 0.42f by the practice experience
vThe sound signal of reaction when a bigger rising is arranged, the lubricating system situation of reply unit is done further research, whether has oil whirl phenomenon etc. as sliding bearing; Fundamental frequency f
vWhen amplitude corresponding audio signal integral level becomes big, should analyze existence by faults such as imbalances; 2f
vWhen amplitude corresponding audio signal integral level is bigger than reference audio, should note checking the centering situation of shaft coupling.The sound signal that is obtained by the acoustic emission signal adjustment is mainly used in finds whether water pump cover exists crackle, is obtained by the practice experience, by f (A, α
s, β
s, χ
s) when the corresponding audio signal frequency reduces, often owing to housing cracks the phenomenon that causes.
In sum, the utility model can be at the practical working situation of large-scale water filling unit, by easy, detection method realizes the judgement to equipment working condition fast and accurately.And, can determine according to national standard, historical archives, expertise, objective basis and change of external conditions the judgment criterion of water filling operating states of the units can realize adaptive judgement and decision-making to different application objects and different faults pattern.
The various embodiments described above only are preferred implementations of the present utility model, and are every based on the changes and improvements on the technical solutions of the utility model in the present technique field, should not get rid of outside protection domain of the present utility model.
Claims (7)
1. the spot check pick-up unit of a water filling unit vibration state, it is characterized in that: it comprises a tested water filling unit, a vibration detection module, an apparatus of load detection module, a rotating speed detection module, an acoustic emission detection module, a presence check and analysis module, a database management module, the modulation module of signal more than one and an output module;
The various signals that described vibration survey module, apparatus of load detection module, rotating speed detection module and acoustic emission detection module will detect respectively on the described tested water filling unit are sent in the described presence check and analysis module, after signal after the processing is sent into and is carried out the data classified finishing in the described database management module, import described many signals modulation module, simultaneously the technical indicator of checkout equipment is imported in described many signals modulation module, sends into described output module after being modulated into sound signal; Whole detection device is powered by a supply module, and controls whole device work by a control system; The output terminal of described presence check and analysis module connects an image display module.
2. the spot check pick-up unit of a kind of water filling unit vibration state as claimed in claim 1, it is characterized in that: described vibration survey module comprises a piezoelectric acceleration transducer, a prime amplifier module and a hardware filtering device module, the output terminal of described piezoelectric acceleration transducer connects described hardware filtering device module through described prime amplifier module, and the output terminal of described hardware filtering device module connects described presence check and analysis module.
3. the spot check pick-up unit of a kind of water filling unit vibration state as claimed in claim 1 is characterized in that: described apparatus of load detection module comprises a torque sensor, a Hall current sensor, a Hall voltage sensor, two selector switchs, an intermediate conversion device and a selector module; Described torque sensor, Hall current sensor and the output terminal of Hall voltage sensor all are connected the input end of a described selector switch, this described selector switch connects an input end of another described selector switch through described intermediate conversion device, another input end of this described selector switch connects a man-machine input window, and output terminal connects described presence check and analysis module.
4. as the spot check pick-up unit of claim 1 or 3 described a kind of water filling unit vibration states, it is characterized in that: described rotating speed detection module comprises a magnetoelectric sensor and a selector switch, the output terminal of described magnetoelectric sensor connects an input end of described selector switch, and another input end of described selector switch connects described man-machine input window.
5. the spot check pick-up unit of a kind of water filling unit vibration state as claimed in claim 1 is characterized in that: described many signals modulation module comprises three counters, a rotating speed modulator, a power modulators, a moment of torsion modulator and a modulating audio frequency module; The input end of three described counters connects described database management module output terminal respectively, and wherein the tach signal of a described counter output is imported described rotating speed modulator; The power signal of another described counter output is imported described power modulators; The torque signal of the 3rd described counter output is imported described moment of torsion modulator, and the output terminal of each modulator all is connected with described modulating audio frequency module; The vibration frequency amplitude signal and the acoustic emission spectrum signal of described database management module output are imported in the described modulating audio frequency module.
6. as the spot check pick-up unit of claim 1 or 2 or 3 described a kind of water filling unit vibration states, it is characterized in that: it is the collector of NI USB-6251 BNC that described presence check and analysis module adopts model.
7. the spot check pick-up unit of a kind of water filling unit vibration state as claimed in claim 1 is characterized in that: it is the resonant mode calibrate AE sensor of PXR series that described acoustic emission detection module adopts model.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201040639U CN201583341U (en) | 2010-01-29 | 2010-01-29 | Spot-check detection device for vibration state of water flooding unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201040639U CN201583341U (en) | 2010-01-29 | 2010-01-29 | Spot-check detection device for vibration state of water flooding unit |
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| CN201583341U true CN201583341U (en) | 2010-09-15 |
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| CN2010201040639U Expired - Fee Related CN201583341U (en) | 2010-01-29 | 2010-01-29 | Spot-check detection device for vibration state of water flooding unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162805A (en) * | 2013-03-14 | 2013-06-19 | 南京楚通自动化科技有限公司 | Wind generating set state monitoring system with audio-visual function |
| CN114184270A (en) * | 2021-12-02 | 2022-03-15 | 观为监测技术无锡股份有限公司 | Equipment vibration data processing method, device, equipment and storage medium |
-
2010
- 2010-01-29 CN CN2010201040639U patent/CN201583341U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162805A (en) * | 2013-03-14 | 2013-06-19 | 南京楚通自动化科技有限公司 | Wind generating set state monitoring system with audio-visual function |
| CN114184270A (en) * | 2021-12-02 | 2022-03-15 | 观为监测技术无锡股份有限公司 | Equipment vibration data processing method, device, equipment and storage medium |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20150129 |
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| EXPY | Termination of patent right or utility model |