CN106089754A - Immersible pump real-time fault diagnosis based on " the Internet+" and method for maintaining - Google Patents
Immersible pump real-time fault diagnosis based on " the Internet+" and method for maintaining Download PDFInfo
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- CN106089754A CN106089754A CN201610531397.6A CN201610531397A CN106089754A CN 106089754 A CN106089754 A CN 106089754A CN 201610531397 A CN201610531397 A CN 201610531397A CN 106089754 A CN106089754 A CN 106089754A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
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Abstract
The invention discloses immersible pump real-time fault diagnosis based on " the Internet+" and method for maintaining.The process of the present invention is: install pressure transducer, turbine flowmeter, Speed sensing formula sensor, vibrating sensor and current sensor in immersible pump pump group and pipe-line system；Run immersible pump real-time fault diagnosis based on " the Internet+" and maintenance system；Use the signal that each sensor of data collecting module collected sends, and set up the data communication between immersible pump real-time fault diagnosis and maintenance system and PLC；The data signal read is carried out real-time data analysis and diagnosis, the fault being diagnosed to be is saved in Mishap Database, and provides optimal fault solution, send fault pre-alarming notice；Estimate maintenance effect, and breakdown maintenance scheme is saved in maintenance management data base." the Internet+" technology and fault diagnosis technology are effectively combined by the present invention, it is achieved that the long-range initial failure early warning of immersible pump and maintenance, decrease the downtime.
Description
Technical field
The invention belongs to fluid machinery Intelligent Diagnosis Technology field, refer in particular to relate to immersible pump based on " the Internet+" real-time
Fault diagnosis and method for maintaining.
Background technology
The industry internet epoch have arrived, the utilization of big data and analysis, and digitized, networking and intellectuality become
The key character of water pump industry development, is the Main way of water pump Future Development of Enterprise.The development war that " the Internet+water pump " is following
Slightly, it is intended to " the Internet+" technology and water pump designing, researches and develops, manufactures, markets, each stage such as maintenance fully merges,
To improve the efficiency of operation of whole water pump industry.Water pump real-time fault diagnosis based on " the Internet+" and maintenance, it is simply that use
Water pump is detected and fault anticipation by " the Internet+" technology, data analysis and fault diagnosis technology in real time, takes for pump maintenance
Business personnel provide maintenance suggestion, so that water pump assembly safe and stable operation.
At present, Pump Fault Diagnosis based on " the Internet+" is the most immature with method for maintaining, such as: master thesis " base
Power plant water pump vibration online monitoring research in industry internet " (in June, 2014) use the networking of data under industry internet
Achieve on-line monitoring and the expert diagnosis of power plant's water pump vibration signal, but the fault of water pump is not only to vibrate to cause, temperature
Degree and electric current are likely to cause fault of water pump；Utility model patent " thermal power plant turbine pumping unit fault based on industry internet
Early warning and inspection optimization system " (application number: 201520176105.2) describe a kind of thermal power plant turbine based on industry internet
Pumping unit fault pre-alarming and inspection optimization system, this patent is only applicable to thermal power plant's pump, and this system is according only to historical data
Carry out breakdown judge.
Summary of the invention
(1) to solve the technical problem that
For problem present in above-mentioned existing Pump Fault Diagnosis based on the Internet and method for maintaining, it is contemplated that
A kind of immersible pump real-time fault diagnosis based on " the Internet+" and method for maintaining are provided.
(2) technical scheme
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: based on " the Internet+" exploitation immersible pump fortune
Row condition monitoring and diagnostic system, use the signal that each sensor of data collecting module collected sends, and uses PLC
(Programmable Logic Controller) technology converts the signals into digital signal, sets up immersible pump and runs shape
Data communication between state monitor and diagnosis system and PLC, the data of reading data in real-time acquisition module, and to the data read
Signal carries out real-time data analysis and operational diagnostics, sends pre-alert notification, with SMS after being diagnosed to be the fault being likely to occur
Mode notify that maintainer overhauls, finally to maintenance after immersible pump running status monitor in real time, estimate maintenance
Effect, and breakdown maintenance scheme is saved in maintenance management data base.It specifically comprises the following steps that
(1) pressure transducer, turbine flowmeter, Speed sensing formula sensing are installed in immersible pump pump group and pipe-line system
Device, vibrating sensor and current sensor.Use electrical measuring method to measure the open circuit loss of immersible pump submersible motor, draw out iron loss
Consume with machinery.The rotating speed n of immersible pump is obtained by inductosyn measurement, and flow Q is by the whirlpool in submersible pump outlet pipe-line system
Flowmeters measurement obtains, and submersible pump outlet pressure Po is obtained by the pressure transducer measurement on pump discharge pipeline.Submersible motor
Obtain by vibrating sensor measurement with the vibration severity of immersible pump.Described pressure transducer, speed probe, vibrating sensor
Need to do water-proofing treatment with current sensor, prevent water from entering in sensor, to guarantee the sensitivity of sensor.
(2) use WinCC design immersible pump running state monitoring and diagnostic system, utilize PLC technology to realize immersible pump
The process control of running status.A VPN service is set up in the immersible pump running state monitoring Intranet resource with diagnostic system
Device.Move 2G/3G/4G network by mobile phone or mobile phone wireless network linking vpn server realizes the remote of immersible pump running status
Range monitoring.Communication data between vpn server and cell phone is encrypted, to ensure the safety that data are transmitted.
(3) data collecting module collected pressure transducer, turbine flowmeter, Speed sensing formula sensor, vibration is used to pass
Sensor and current sensor send 4～20mA current signal.Use PLC technology that the current signal gathered is carried out data to turn
Change.Carry out A/D by PLC and be converted into digital signal, set up between immersible pump running state monitoring and diagnostic system and PLC simultaneously
Data communication.Diving pump lift H is calculated by the pressure Po away from 2 times of calibers of pump discharge flange,Wherein ρ
For the density of centrifugal pump pumped (conveying) medium, g is acceleration of gravity, g=9.8；The iron loss unloaded according to submersible motor and machinery consumption, meter
Calculate the submersible motor output after load test, i.e. input power P of immersible pump；Efficiency eta is calculated by formula η=ρ gQH/P
Obtain.The data such as flow, pressure, rotating speed, lift, power, efficiency, vibration, electric current are stored and back up.
(4) data such as the flow read in step (3), pressure, rotating speed, lift, power, efficiency, electric current are carried out in real time
Trend analysis and spectrum analysis.The vibration signal reading step (3) carries out wavelet decomposition, uses the wavelet coefficient of high band
Hlibert-Huang conversion carries out Envelope Analysis, then the envelope signal using Empirical mode decomposition to obtain Envelope Analysis enters
Row decomposes.Be diagnosed to be supercurrent, bearing damage, rotor misalignment, pump group foundation bolt loosen, damage in impeller or impeller and the pump housing
After the fault that contact etc. is likely to occur, utilize the popularization of mobile Internet, search efficient and rational fault in the world
Solution, be concurrently out of order pre-alert notification, in the way of SMS, fault and fault solution is notified maintainer.
(5) the immersible pump running status after maintenance is monitored in real time, estimate maintenance effect, and by breakdown maintenance scheme
It is saved in maintenance management data base.
(3) beneficial effect
It is an advantage of the current invention that:
(1) " the Internet+" technology and fault diagnosis technology are effectively combined, it is achieved that the early stage of immersible pump fault is pre-
Police and maintenance so that pump group safe and stable operation.
(2) fault that line real time diagnosis proof submersible sand discharging pump is likely to occur, can not only decrease submersible sewage failure of pump and stop
The machine time, moreover it is possible to provide technical support for maintainer, reduce maintenance cost.
(3) utilize the popularization of mobile Internet, efficient and rational fault solution can be searched in the world, enter
One step improves trouble diagnosibility and maintenance effect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of immersible pump running state monitoring based on " the Internet+" and repair method；
In figure, 1-water pump vibrating sensor, 2-proof submersible sand discharging pump, 3-vicarious speed probe, 4-motor oscillating senses
Device, 5-submersible motor, 6-pump discharge pressure sensor, 7-current sensor, 8-immersible pump running state monitoring and diagnostic system,
9-turbine flowmeter, 10-exports gate valve.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.Hereinafter implement
Example is used for illustrating the present invention, but is not limited to the scope of the present invention.
Embodiment: specific revolution is WQK25-40-7.5 type proof submersible sand discharging pump (Fig. 1) of 54.6, and its design discharge is Qd
=25m3/h, rated lift Hd=40m, rotating speed n=2860r/min.Specifically comprise the following steps that
(1) pressure transducer, turbine flowmeter, Speed sensing formula sensing are installed in immersible pump pump group and pipe-line system
Device, vibrating sensor and current sensor.Use electrical measuring method to measure the open circuit loss of immersible pump submersible motor, draw out iron loss
Consume with machinery.The rotating speed n of immersible pump is obtained by inductosyn measurement, and flow Q is by the whirlpool in submersible pump outlet pipe-line system
Flowmeters measurement obtains, and submersible pump outlet pressure Po is obtained by the pressure transducer measurement on pump discharge pipeline.Submersible motor
Obtain by vibrating sensor measurement with the vibration severity of immersible pump.Described pressure transducer, speed probe, vibrating sensor and
Current sensor needs to do water-proofing treatment, prevents water from entering in sensor, to guarantee the sensitivity of sensor.Flow Q when pump
When=27.1m3/h, rotating speed n=2866r/min, outlet pressure Po=0.38MPa, motor oscillating speed is 0.94mm/s, and pump shakes
Dynamic speed is 0.82mm/s.
(2) use WinCC design immersible pump running state monitoring and diagnostic system, utilize PLC technology to realize immersible pump
The process control of running status.A VPN service is set up in the immersible pump running state monitoring Intranet resource with diagnostic system
Device.Move 2G/3G/4G network by mobile phone or mobile phone wireless network linking vpn server realizes the remote of immersible pump running status
Range monitoring.Communication data between vpn server and cell phone is encrypted, to ensure the safety that data are transmitted.
(3) data collecting module collected pressure transducer, turbine flowmeter, Speed sensing formula sensor, vibration is used to pass
Sensor and current sensor send 4～20mA current signal.Use PLC technology that the current signal gathered is carried out data to turn
Change.Carry out A/D by PLC and be converted into digital signal, set up between immersible pump running state monitoring and diagnostic system and PLC simultaneously
Data communication.Diving pump lift H is calculated by the pressure Po away from 2 times of calibers of pump discharge flange,Wherein ρ
For the density of centrifugal pump pumped (conveying) medium, g is acceleration of gravity, g=9.8；The iron loss unloaded according to submersible motor and machinery consumption, meter
Calculate the submersible motor output after load test, i.e. input power P of immersible pump；Efficiency eta is calculated by formula η=ρ gQH/P
Obtain.By above-mentioned formula it can be calculated that as Q=27.1m3/h, n=2866r/min, H=39.9m, P=6.5kW, n=
61.3%.The data such as flow, pressure, rotating speed, lift, power, efficiency, vibration, electric current are stored and back up.
(4) data such as the flow read in step (3), pressure, rotating speed, lift, power, efficiency, electric current are carried out in real time
Trend analysis and spectrum analysis.The vibration signal reading step (3) carries out wavelet decomposition, uses the wavelet coefficient of high band
Hlibert-Huang conversion carries out Envelope Analysis, then the envelope signal using Empirical mode decomposition to obtain Envelope Analysis enters
Row decomposes.Be diagnosed to be supercurrent, bearing damage, rotor misalignment, pump group foundation bolt loosen, damage in impeller or impeller and the pump housing
After the fault that contact etc. is likely to occur, utilize the popularization of mobile Internet, search efficient and rational fault in the world
Solution, be concurrently out of order pre-alert notification, in the way of SMS, fault and fault solution is notified maintainer.
(5) the immersible pump running status after maintenance is monitored in real time, estimate maintenance effect, and by breakdown maintenance scheme
It is saved in maintenance management data base.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvements and modifications, these improvements and modifications
Also should be regarded as protection scope of the present invention.
Claims (8)
1. immersible pump real-time fault diagnosis based on " the Internet+" and method for maintaining, it is characterised in that comprise the following steps:
(1) pressure transducer, turbine flowmeter, Speed sensing formula sensor are installed in immersible pump pump group and pipe-line system, shake
Dynamic sensor and current sensor；
(2) immersible pump real-time fault diagnosis based on " the Internet+" and maintenance system are run；
(3) signal using each sensor of data collecting module collected to send, uses PLC technology to convert the signal into numeral letter
Number, and set up the data communication between immersible pump real-time fault diagnosis and maintenance system and PLC；
(4) data signal read is carried out real-time data analysis and diagnosis, the fault being diagnosed to be is saved in Mishap Database,
And the fault being diagnosed to be is analyzed, provide optimal fault solution, send fault pre-alarming notice；
(5) the immersible pump running status after maintenance is monitored in real time, estimate maintenance effect, and breakdown maintenance scheme is preserved
To maintenance management data base.
Immersible pump real-time fault diagnosis based on " the Internet+" the most according to claim 1 and method for maintaining, its feature exists
In:
Described step (1) is installed in immersible pump pump group and pipe-line system pressure transducer, turbine flowmeter, Speed sensing formula
Specifically comprising the following steps that of sensor, vibrating sensor and current sensor
(A) pressure transducer, turbine flowmeter, Speed sensing formula sensor are installed in immersible pump pump group and pipe-line system, shake
Dynamic sensor and current sensor；
(B) use electrical measuring method to measure the open circuit loss of immersible pump submersible motor, draw out iron loss and machinery consumption；
(C) the rotating speed n of immersible pump is obtained by inductosyn measurement, and flow Q is by the turbine in submersible pump outlet pipe-line system
Flowmeter survey obtains, and submersible pump outlet pressure Po is obtained by the pressure transducer measurement on pump discharge pipeline；
(D) vibration severity of submersible motor and immersible pump is obtained by vibrating sensor measurement.
Immersible pump real-time fault diagnosis based on " the Internet+" the most according to claim 1 and method for maintaining, its feature exists
In:
In described step (2), immersible pump real-time fault diagnosis based on " the Internet+" is as follows with the development procedure of maintenance system:
(A) use WinCC (Windows Control Center) design immersible pump running state monitoring and diagnostic system, utilize
PLC technology realizes the process control to immersible pump running status；
(B) in the immersible pump running state monitoring Intranet resource with diagnostic system, set up a vpn server, moved by mobile phone
Dynamic 2G/3G/4G network or mobile phone wireless network linking vpn server realize the long-range monitoring of immersible pump running status；
(C) communication data between vpn server and cell phone is encrypted.
Immersible pump real-time fault diagnosis based on " the Internet+" the most according to claim 1 and method for maintaining, its feature exists
In:
The signal using each sensor of data collecting module collected to send in described step (3), uses PLC technology to be turned by signal
Change digital signal into, and set up the concrete steps of data communication between immersible pump real-time fault diagnosis and maintenance system and PLC
As follows:
(A) data collecting module collected pressure transducer, turbine flowmeter, Speed sensing formula sensor, vibrating sensor are used
With current sensor send 4～20mA current signal；
(B) use PLC technology that the current signal gathered is carried out data conversion, carry out A/D by PLC and be converted into digital signal,
Set up the data communication between immersible pump running state monitoring and diagnostic system and PLC simultaneously；
(C) data process；Diving pump lift H is calculated by the pressure Po away from 2 times of calibers of pump discharge flange,
Wherein ρ is the density of centrifugal pump pumped (conveying) medium, and g is acceleration of gravity, g=9.8；The iron loss unloaded according to submersible motor and machinery
Consumption, calculates the submersible motor output after load test, i.e. input power P of immersible pump；Efficiency eta is by formula η=ρ gQH/
P is calculated；
(D) data such as flow, pressure, rotating speed, lift, power, efficiency, vibration, electric current are stored and back up.
Immersible pump real-time fault diagnosis based on " the Internet+" the most according to claim 1 and method for maintaining, its feature exists
In:
Described step (4) carries out real-time data analysis and diagnosis to the data signal read, the fault being diagnosed to be is saved in
Mishap Database, and the fault being diagnosed to be is analyzed, provide optimal fault solution, send fault pre-alarming notice
Specifically comprise the following steps that
(A) data such as the flow read in step (3), pressure, rotating speed, lift, power, efficiency, electric current are carried out real-time tendency
Analyze and spectrum analysis；
(B) vibration signal reading step (3) carries out wavelet decomposition, and the wavelet coefficient of high band is used Hlibert-
Huang conversion carries out Envelope Analysis, then the envelope signal using Empirical mode decomposition to obtain Envelope Analysis decomposes；
(C) fault being diagnosed to be is analyzed, and utilizes the popularization of mobile Internet, search in the world and efficiently close
The fault solution of reason, be concurrently out of order pre-alert notification.
The most according to claim 1 or 5, immersible pump real-time fault diagnosis based on " the Internet+" and method for maintaining, it is special
Levy and be: the described fault being diagnosed to be probably supercurrent, bearing damage, rotor misalignment, pump group foundation bolt loosen, leaf
Foot wheel abrasion or impeller contact with the pump housing.
The most according to claim 1 or 5, immersible pump real-time fault diagnosis based on " the Internet+" and method for maintaining, it is special
Levy and be: described pre-alert notification is, in the way of SMS, fault and fault solution are notified maintainer.
8. according to the immersible pump running state monitoring based on " the Internet+" described in claim 1,2,3,4 and repair method, its
It is characterised by: described pressure transducer, speed probe, vibrating sensor and current sensor need to do water-proofing treatment, prevent
Water enters in sensor.
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| 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 |
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| CN112377398A (en) * | 2020-12-01 | 2021-02-19 | 博利源科技(南京)有限公司 | Safety monitoring system of submersible pump |
| CN117570039A (en) * | 2024-01-16 | 2024-02-20 | 山东大洋矿用设备有限公司 | Mining flameproof submersible sand discharge electric pump fault monitoring system and method |
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| CN110805549A (en) * | 2019-08-05 | 2020-02-18 | 大港油田集团有限责任公司 | Failure diagnosis system for polymer injection pump |
| CN111336100A (en) * | 2020-04-10 | 2020-06-26 | 中国恩菲工程技术有限公司 | Water pump fault diagnosis system |
| CN111980938A (en) * | 2020-08-22 | 2020-11-24 | 浙江水利水电学院 | Diagnosis technical route of flood control and drainage water pump unit |
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| CN117570039A (en) * | 2024-01-16 | 2024-02-20 | 山东大洋矿用设备有限公司 | Mining flameproof submersible sand discharge electric pump fault monitoring system and method |
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