CN109209922A - A kind of intelligence submersible pump and its running state monitoring method - Google Patents
A kind of intelligence submersible pump and its running state monitoring method Download PDFInfo
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- CN109209922A CN109209922A CN201811116591.3A CN201811116591A CN109209922A CN 109209922 A CN109209922 A CN 109209922A CN 201811116591 A CN201811116591 A CN 201811116591A CN 109209922 A CN109209922 A CN 109209922A
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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
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
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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
Abstract
The invention discloses a kind of intelligent submersible pump and its running state monitoring methods, it is a kind of intelligence submersible pump include pump machine ontology, the pump machine onboard data acquisition control unit being made of pump machine state detecting means, data acquisition portion, data processing division, data processing algorithm library, the first data communication section and control enforcement division, the external data communication units of pump machine being made of the second data communication section, wired network communication interface and wireless network communications interface；A kind of intelligence submersible pump running state monitoring method, the long-range control, data acquisition and algorithms library for carrying out pump machine based on the instruction that cloud computing server is assigned update.The present invention can more comprehensively obtain each critical component operating status characteristic parameter of pump machine, volume of transmitted data is reduced, by the configurable of data processing algorithm library and may be updated as the novel status monitoring theory of rapid deployment and algorithm provides a kind of integrated, general, intelligent hardware platform.
Description
Technical field
The present invention relates to submersible pump fields, more particularly to a kind of intelligent submersible pump and its monitoring running state and control
Method processed.
Background technique
Pump is a kind of universal machine, various in style, is widely used in the industries such as petroleum, chemical industry, mining, water process, nuclear power.
Pump is most important for the day-to-day operation and personnel safety of manufacturing enterprise, needs to realize nearly " zero failure " operation.According to statistics, pump
Maintenance cost accounts for the 7% of entire plant maintenance cost, while the production loss of factory 0.2% is attributed to failure of pump.If to pump
It carries out effective status monitoring and implements the plant maintenance based on state, not only these losses are completely avoidable, can also
Greatly save maintenance cost.But pump is " machine-electricity-magnetic-liquid " multiple physical field coupling equipment, any of them link occurs
Problem can all lead to pump machine failure.These sources of trouble include: that motor power supply three-phase imbalance, motor temperature be excessively high, stator winding
Damage etc.；Mechanical structure upper bearing (metal) failure, main shaft fracture, impeller cavitation erosion, seal failure etc.；The difference of fluid media (medium) mixing ratio
It will lead to pressure oscillation or load variation, aggravate the performance degradation of pump.Therefore, the status monitoring of pump needs while to pay close attention to its each
The health status of component.Especially submersible pump is in deep-well or underwater, and working environment is severe, artificial to check compared with maintenance all
Difficulty then causes to seriously affect once equipment is damaged or shut down suddenly to enterprise's production.Therefore, the state of submersible pump
Monitoring requirements are more obvious.
Currently, pump machine status monitoring and control theory and technology are realized compared with much progress.In theoretical side, driven based on data
Dynamic pump machine status monitoring and recognition methods are studied and are applied extensively, such as: document " the hydraulic pump state based on wavelet packet analysis
Monitoring method " carries out the extraction of pump machine operating status characteristic parameter, the document " nuclear power based on CGHMM using wavelet analysis technology
The research of equipment main pump condition monitoring and fault diagnosis technology " is characterized training pattern in the cepstrum coefficient of Short Time Fourier Transform
On the basis of, using the status monitoring of CGHMM model analysis main pump operation.But due to pump machine wide variety, even diving
Electric pump, since mechanical structure, motor type, working condition are different, operation state characteristic is also not quite similar, and needs targetedly
Ground configures reasonable pump machine operating status characteristic parameter extraction and state recognition algorithm.And in terms of monitoring technology, sensing technology,
Measuring technology, the communication technology are integrated and are applied extensively, such as: " group of pump state on_line monitoring disclosed in Chinese patent literature
(application number: 201410314088.4) vibration by acquisition pump and temperature information carry out pump machine to system and its monitoring method "
Status monitoring." a kind of immersible pump remotely initiated devices " disclosed in Chinese patent literature pass through the acquisition to water level and pressure data
Carry out the remote control of pump machine.The comprehensive investigation to the prior art finds that there are multiple problems for existing pump machine Condition Monitoring Technology application:
First is that institute's integrated sensor type is few, and low with pump machine Ontology integration degree；Second is that initial data upload is directly carried out, data transmission
Amount is big, be easy to cause network congestion；Third is that the operating status characteristic parameter extraction and state recognition algorithm of pump machine are cured, limitation
The intelligent level of pump machine, so that new theory, new algorithm are unable to get timely application.
In conclusion in order to realize to submersible pump more fully, highly efficient, more flexible status monitoring, need
Application for the operating status characteristic parameter extraction algorithm of submersible pump provides a kind of integrated, general, intelligent hardware platform, from
And realize effective combination of pump machine status monitoring theory and technology.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of intelligent submersible pump and its running state monitoring methods, lead to
It crosses and multi-sensor technology, data acquisition technology, data processing technique and data communication technology is integrated in pump machine, carry out intelligence
Can submersible pump running state monitoring method application, realize on submersible pump data processing algorithm it is long-range it is configurable with can
It updates, to reduce volume of transmitted data, improves the accuracy to submersible pump status monitoring and identification.
The technical solution of first aspect proposed by the present invention is:
A kind of intelligence submersible pump, comprising: pump machine ontology, pump machine onboard data acquisition control unit and the external data communication of pump machine
Unit, wherein pump machine onboard data acquisition control unit is installed on inside pump machine, for pump machine running state data acquisition,
Processing and communication, including pump machine state detecting means, data acquisition portion, data processing division, data processing algorithm library, the first data are logical
Letter portion and control enforcement division, the external data communication units of pump machine are installed on the water surface or more, for the bridge joint of data communication protocol, packet
Include the second data communication section, wired network communication interface and wireless network communications interface；
Further, pump machine state detecting means are for perceiving pump machine running state data, comprising: current sensor, voltage sensor
Device, vibrating sensor, temperature sensor and speed probe, wherein current sensor is for acquiring pump machine three phase supply electric current
Data, for acquiring pump machine three phase supply voltage data, vibrating sensor is installed on motor bearings pedestal voltage sensor, is used
In the vibration data of acquisition pump machine, temperature sensor is respectively arranged in pump machine built-in motor three-phase windings and bearing base, point
The temperature of pump machine three-phase windings and bearing Yong Yu not be acquired, speed probe is installed on pump machine main shaft, for acquiring turning for pump machine
Fast data；
Data acquisition portion is connected with each sensor of pump machine state detecting means, by the pump machine running state data perceived by mould
Analog quantity is converted into digital quantity, and delivers data processing division and carry out data processing；
Data processing division operation data Processing Algorithm handles the data of data acquisition portion each sensor collected, with
Obtain the characteristic parameter for being able to reflect pump machine operating status；
Data processing algorithm library is used to provide data processing algorithm for data processing division；
First data communication section is used to carry out data interaction with the second data communication section of the external data communication units of pump machine, is pumping
The characteristic parameter for the reflection pump machine operating status that data processing division obtains is sent to the external number of pump machine during machine status monitoring
According to the second data communication section of communication unit, and it can receive and parse the second data communication of the external data communication units of pump machine
The instruction that the cloud computing server that portion transfers is assigned；
Control enforcement division is connected with the first data communication section, for being started and being closed control to pump machine；
Second data communication section is used for the data interaction with the first data communication section of pump machine onboard data acquisition control unit,
The reflected pump that the first data communication section of pump machine onboard data acquisition control unit is transmitted is received during pump machine status monitoring
The characteristic parameter of machine operating status, and cloud computing server can be connect by wired network communication interface or wireless communication
The instruction that mouth is assigned is forwarded to the first data communication section of pump machine onboard data acquisition control unit；
Wired network communication interface is used for the data communication of the second data communication section and cloud computing server based on cable network；
Wireless network communications interface is used for the data communication of the second data communication section and cloud computing server based on wireless network；
First data communication section of pump machine onboard data acquisition control unit and the second data of the external data communication units of pump machine
Communication unit carries out data interaction by wired network communication, establishes the data link of underwater pump machine and cloud computing server.
Data acquisition portion synchronizes data acquisition to pump machine three phase supply electric current and three phase supply voltage data, adopts
Sample frequency is greater than 6400Hz.
The control enforcement division includes optical coupling isolation device, relay, A.C. contactor, wherein optical coupling isolation device and
One data communication section is connected, and receives the control instruction of the first data communication section, and control A.C. contactor movement by relay
Switching on and off for pump machine main circuit power supply is carried out, realize the starting to pump machine and closes control.
The data processing algorithm library can pass through cloud based on the data link of underwater pump machine and cloud computing server
Calculation server is remotely updated.
The data processing algorithm that the data processing division is run can the data based on underwater pump machine and cloud computing server
Communication link is specified by cloud computing server.
The technical solution of the second aspect proposed by the present invention is:
A kind of intelligence submersible pump running state monitoring method, comprising the following steps:
The external data communication units of step 1 pump machine receive the instruction that cloud computing server is assigned；
The instruction that second data communication section of the external data communication units of step 2 pump machine assigns cloud computing server transfers to
First data communication section of pump machine onboard data acquisition control unit；
First data communication section of step 3 pump machine onboard data acquisition control unit receives and parses through cloud computing server and assigns
Instruction, if it is control instruction, then according to instruction require drive control enforcement division start or close pump machine, refer to if it is monitoring
It enables, then driving data acquisition portion executes data acquisition and then held by the first data communication section if it is algorithms library more new command
Row algorithms library renewal process；
Wherein, data acquisition the following steps are included:
Step 3-2-1 receives Monitoring instruction, and the second data communication section of the external data communication units of pump machine is logical by cable network
Letter interface or wireless network communications interface receive the Monitoring instruction that cloud computing server is assigned, and are transmitted to the acquisition of pump machine onboard data
First data communication section of control unit is then forwarded to data acquisition portion log-on data collection process；
The data acquisition portion step 3-2-2 acquires data, and data acquisition portion obtains what each sensor of pump machine state detecting means was perceived
The pump machine running state data perceived is converted into digital quantity by analog quantity, and delivered at data by pump machine running state data
Reason portion carries out data processing；
Step 3-2-3 data processing division extracts characteristic parameter, and data processing division calls the data processing in data processing algorithm library to calculate
Method handles the data of data acquisition portion each sensor collected, to obtain the spy for being able to reflect pump machine operating status
Parameter is levied, and delivers the first data communication section；
Step 3-2-4 the first data communication section receiving data processing unit calculates the feature ginseng of resulting reflection pump machine operating status
Number, is sent to the second data communication section；
The second data communication section of step 3-2-5 receives characteristic parameter transmitted by the first data communication section, logical by cable network
Letter interface or wireless network communications interface are transmitted to cloud computing server；
Step 3-2-6 pump machine onboard data acquisition control unit repeats step 3-2-2 ~ step 3-2-5 until built in pump machine
The second data communication section that first data communication section of data collection control unit receives the external data communication units of pump machine turns
The new command that the cloud computing server sent is assigned；
Algorithms library renewal process the following steps are included:
Step 3-3-1 receiving algorithm library more new command, the second data communication section of the external data communication units of pump machine pass through wired
Network communication interface or wireless network communications interface receive the algorithms library more new command that cloud computing server is assigned, and are transmitted to pump
First data communication section of machine onboard data acquisition control unit；
Second data communication section of step 3-3-2 receiving algorithm library file framing, the external data communication units of pump machine receives cloud meter
The algorithm library file downlink data upon handover that server is assigned is calculated, and the first data for being transmitted to pump machine onboard data acquisition control unit are logical
Letter portion；
Step 3-3-3 checking algorithm library file framing, the first data communication section docking of pump machine onboard data acquisition control unit
The algorithm library file framing of receipts is verified, if verify it is incorrect if through the external data communication units of pump machine to cloud computing service
Device returns to error code, correctly 3-3-4 is thened follow the steps if received, if receiving same algorithm library file framing three times again
Mistake then exits algorithms library renewal process；
First data communication section cache algorithm library file framing of step 3-3-4 pump machine onboard data acquisition control unit, and sentence
Whether disconnected algorithm library file framing receives, and recycles if not receiving and executes step 3-3-2 ~ step 3-3-4, if
It receives and thens follow the steps 3-3-5；
Step 3-3-5 merges algorithm library file, and received algorithm library file framing is merged into algorithm library text by framing sequence
Part；
Step 3-3-6 updates algorithm library file, and combined algorithm library file is updated to data algorithm library；
Step 3-3-7 reads algorithm library file, and verifies to it, enables new data algorithms library if verification is correct, no
Then exit algorithms library renewal process.
In a kind of described intelligent submersible pump running state monitoring method, Monitoring instruction packet that cloud computing server is assigned
Containing being specified to the called data processing algorithm of data processing division.
In a kind of intelligent submersible pump running state monitoring method, the algorithms library that cloud computing server is assigned updates
Instruction includes that algorithms library updates command identification, algorithm library file framing number and file verification code by byte order.
In a kind of intelligent submersible pump running state monitoring method, algorithm library file framing includes by byte order
Framing command identification, framing serial number, downlink data upon handover and check code.
The invention has the advantages that providing a kind of integrated, general, intelligence on the whole for the status monitoring of submersible pump
The hardware platform and software architecture of energy:
First is that the integrated of multiple sensors can be realized to each critical component of submersible pump more comprehensively status monitoring；
Second is that making it possible to the machinery knot according to submersible pump by the long-range configurable and renewable of data processing algorithm library
Structure, motor type, working condition configure more efficiently pump machine operating status characteristic parameter extraction algorithm, realize intelligent, flexible
Pump machine status monitoring, so as to improve the accuracy of submersible pump status monitoring；
Third is that reducing the volume of transmitted data during submersible pump status monitoring by the data processing of submersible pump local, mentioning
The status monitoring efficiency of high submersible pump.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is a kind of schematic diagram of the first embodiment of intelligent submersible pump of the present invention；
Fig. 2 is a kind of implementation flow chart of intelligent submersible pump running state monitoring method of the present invention；
Fig. 3 is a kind of data acquisition implementation flow chart of intelligent submersible pump running state monitoring method of the present invention；
Fig. 4 is a kind of algorithms library renewal process implementation flow chart of intelligent submersible pump running state monitoring method of the present invention；
Fig. 5 is a kind of second of embodiment principle of the pump machine onboard data acquisition control unit of intelligent submersible pump of the present invention
Figure；
Fig. 6 is a kind of second of embodiment schematic diagram of the external data communication units of pump machine of intelligent submersible pump of the present invention；
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form.Additionally, it should be understood that when using term "comprising" and/or " packet in the present specification
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
One embodiment of the invention:
A kind of the first embodiment of intelligence submersible pump, implementation principle figure are as shown in Figure 1.A kind of intelligence submersible pump, comprising:
Pump machine ontology (10), pump machine onboard data acquisition control unit (20) and the external data communication units of pump machine (30), wherein pump machine
Onboard data acquisition control unit (20) is installed on inside pump machine, for the acquisition, processing and communication of pump machine running state data,
Including pump machine state detecting means (200), data acquisition portion (27), data processing division (28), data processing algorithm library (280),
One data communication section (29) and control enforcement division (26), the external data communication units of pump machine (30) are installed on the water surface or more, are used for
The bridge joint of data communication protocol, including the second data communication section (31), wired network communication interface (32) and wireless communication
Interface (33)；
Further, pump machine state detecting means (200) are for perceiving pump machine running state data, comprising: current sensor (21),
Voltage sensor (22), vibrating sensor (23), temperature sensor (24) and speed probe (25), wherein current sensor
(21) for acquiring pump machine three phase supply current data, voltage sensor (22) is used to acquire pump machine three phase supply voltage data,
Vibrating sensor (23) is installed on motor bearings pedestal, and for acquiring the vibration data of pump machine, temperature sensor (24) is respectively
It is installed in pump machine built-in motor three-phase windings and bearing base, is respectively used to the temperature of acquisition pump machine three-phase windings and bearing,
Speed probe (25) is installed on pump machine main shaft, for acquiring the rotary speed data of pump machine；
Data acquisition portion (27) is connected with each sensor of pump machine state detecting means (200), and the pump machine perceived is run shape
State data are converted into digital quantity by analog quantity, and deliver data processing division (28) and carry out data processing；
Data processing division (28) operation data Processing Algorithm carries out the data of data acquisition portion (27) each sensor collected
Processing, to obtain the characteristic parameter for being able to reflect pump machine operating status；
Data processing algorithm library (280) is used to provide data processing algorithm for data processing division (28)；
First data communication section (29) is used to carry out with the second data communication section (31) of the external data communication units of pump machine (30)
Data interaction, the characteristic parameter for the reflection pump machine operating status for obtaining data processing division (27) during pump machine status monitoring
It is sent to the second data communication section (31) of the external data communication units of pump machine (30), and can receive and parse the external number of pump machine
The instruction assigned according to the cloud computing server that the second data communication section (31) of communication unit (30) transfers；
Control enforcement division (26) is connected with the first data communication section (29), for being started and being closed control to pump machine；
Second data communication section (31) is for the first data communication section (29) with pump machine onboard data acquisition control unit (20)
Data interaction, during pump machine status monitoring receive pump machine onboard data acquisition control unit (20) the first data communication
The characteristic parameter for the reflection pump machine operating status that portion (29) is transmitted, and cloud computing server (40) can be passed through cable network
The control instruction that communication interface (32) or wireless network communications interface (33) are assigned is forwarded to pump machine onboard data acquisition control list
First data communication section (29) of first (20)；
Wired network communication interface (32) is based on cable network for the second data communication section (31) and cloud computing server (40)
Data communication；
Wireless network communications interface (33) is based on wireless network for the second data communication section (31) and cloud computing server (40)
Data communication；
The first data communication section (29) and the external data communication units of pump machine of pump machine onboard data acquisition control unit (20)
(30) the second data communication section (31) carries out data interaction by wired network communication, establishes underwater pump machine and cloud computing service
The data link of device (40).
Data acquisition portion (27) synchronizes data to pump machine three phase supply electric current and three phase supply voltage data and adopts
Collection, sample frequency are greater than 6400Hz.
The control enforcement division (26) includes optical coupling isolation device (261), relay (262), A.C. contactor (263),
Wherein optical coupling isolation device (261) is connected with the first data communication section (29), and the control for receiving the first data communication section (29) refers to
It enables, and switching on and off for pump machine main circuit power supply is carried out by relay (262) control A.C. contactor (263) movement, it is real
Now the starting of pump machine and closing are controlled.
The data processing algorithm library (280) can be based on the data communication chain of underwater pump machine and cloud computing server (40)
Road is remotely updated by cloud computing server (40).
The data processing algorithm that the data processing division (28) is run can be based on underwater pump machine and cloud computing server
(40) data communication chain routing cloud computing server (40) is specified.
Second embodiment of the invention:
A kind of embodiment of intelligence submersible pump running state monitoring method, for purposes of illustration only, in conjunction with a kind of intelligence diving electricity of Fig. 1
The embodiment of pump intelligent submersible pump running state monitoring method a kind of to the present invention is illustrated, as shown in Figures 2 to 4.
As shown in Fig. 2, a kind of intelligence submersible pump running state monitoring method, comprising the following steps:
The external data communication units of step 1 pump machine (30) receive the instruction that cloud computing server (40) are assigned；
The second data communication section (31) of the external data communication units of step 2 pump machine (30) assigns cloud computing server (40)
Instruction transfer to the first data communication section (29) of pump machine onboard data acquisition control unit (20)；
The first data communication section (29) of step 3 pump machine onboard data acquisition control unit (20) receives and parses through cloud computing clothes
The instruction that business device (40) is assigned then requires drive control enforcement division (26) to start or close if it is control instruction according to instruction
Pump machine, if it is Monitoring instruction, then driving data acquisition portion (27) execute data acquisition, refer to if it is algorithms library update
It enables, then executes algorithms library renewal process by the first data communication section (29)；
As shown in figure 3, data acquisition the following steps are included:
Step 3-2-1 receives Monitoring instruction, and the second data communication section (31) of the external data communication units of pump machine (30) is by having
Line network communication interface (32) or wireless network communications interface (33) receive the Monitoring instruction that cloud computing server (40) are assigned, and turn
The first data communication section (29) for issuing pump machine onboard data acquisition control unit (20), is then forwarded to data acquisition portion (27)
Log-on data collection process；
Step 3-2-2 data acquisition portion (28) acquires data, and data acquisition portion (27) obtains pump machine state detecting means (200) and respectively passes
The pump machine running state data that sensor (21,22,23,24,25) is perceived, the pump machine running state data perceived is by analog quantity
It is converted into digital quantity, and delivers data processing division (28) and carries out data processing；
Step 3-2-3 data processing division (28) extracts characteristic parameter, and data processing division (28) calls data processing algorithm library (280)
Data processing algorithm, at the data of each sensor (21,22,23,24,25) collected to data acquisition portion (27)
Reason to obtain the characteristic parameter for being able to reflect pump machine operating status, and delivers the first data communication section (29)；
Wherein, the typical data processing algorithm in data processing algorithm library includes the statistical parameter of time domain, frequency domain and wavelet field
It calculates, professional and technical personnel in the field can model according to submersible pump state recognition and construct, and belong to this field profession
The technology contents that technical staff is grasped；
The first data communication section of step 3-2-4 (29) receiving data processing unit (28) calculates resulting reflection pump machine operating status
Characteristic parameter is sent to the second data communication section (31)；
The second data communication section of step 3-2-5 (31) receives characteristic parameter transmitted by the first data communication section (29), by having
Line network communication interface (32) or wireless network communications interface (33) are transmitted to cloud computing server (40)；
Step 3-2-6 pump machine onboard data acquisition control unit (20) repeats step 3-2-2 ~ step 3-2-5 until pump machine
The first data communication section (29) of onboard data acquisition control unit (20) receives the external data communication units of pump machine (30)
The new command that the cloud computing server (40) that second data communication section (31) transfers is assigned；
As shown in figure 4, algorithms library renewal process the following steps are included:
Step 3-3-1 receiving algorithm library more new command, the second data communication section (31) of the external data communication units of pump machine (30)
Algorithm cloud computing server (40) assigned is received by wired network communication interface (32) or wireless network communications interface (33)
Library more new command, and it is transmitted to the first data communication section (29) of pump machine onboard data acquisition control unit (20)；
Step 3-3-2 receiving algorithm library file framing, the external data communication units of pump machine (30) receive cloud computing server (40)
The algorithm library file downlink data upon handover assigned, and it is transmitted to the first data communication section of pump machine onboard data acquisition control unit (20)
(29)；
Step 3-3-3 checking algorithm library file framing, the first data communication section of pump machine onboard data acquisition control unit (20)
(29) received algorithm library file framing is verified, through the external data communication units of pump machine (30) if verification is incorrect
Error code is returned to cloud computing server (40), correctly thens follow the steps 3-3-4 if received, if received again same three times
One algorithm library file framing mistake, then exit algorithms library renewal process；
The first data communication section (29) cache algorithm library file of step 3-3-4 pump machine onboard data acquisition control unit (20)
Framing, and judge whether the framing of algorithm library file receives, it is recycled if not receiving and executes step 3-3-2 ~ step
3-3-4 thens follow the steps 3-3-5 if received；
Step 3-3-5 merges algorithm library file, and received algorithm library file framing is merged into algorithm library text by framing sequence
Part；
Step 3-3-6 updates algorithm library file, and combined algorithm library file is updated to data algorithm library (280)；
Step 3-3-7 reads algorithm library file, and verifies to it, enables new data algorithms library if verification is correct
(280), algorithms library renewal process is otherwise exited.
In a kind of intelligent submersible pump running state monitoring method, the monitoring that cloud computing server (40) is assigned refers to
It enables comprising being specified to data processing division (28) called data processing algorithm.
In a kind of described intelligent submersible pump running state monitoring method, algorithms library that cloud computing server (40) is assigned
More new command includes that algorithms library updates command identification, algorithm library file framing number and file verification code by byte order.
In a kind of intelligent submersible pump running state monitoring method, algorithm library file framing includes by byte order
Framing command identification, framing serial number, downlink data upon handover and check code.
In a kind of above-described embodiment of intelligent submersible pump running state monitoring method, the data were acquired
Journey, the algorithms library renewal process and the algorithm library file sub-frame processing, the Monitoring instruction, algorithms library update refer to
Order is technology contents known to professional and technical personnel in the field, can be constructed by hardware circuit and be answered with software programming
It is existing.
Third embodiment of the invention:
A kind of second of embodiment of the pump machine onboard data acquisition control unit of intelligence submersible pump, implementation principle figure such as Fig. 5
It is shown.A kind of pump machine onboard data acquisition control unit of intelligence submersible pump, is installed on inside pump machine, runs shape for pump machine
Acquisition, processing and the communication of state data.
Wherein, the specific implementation of the pump machine state detecting means includes: the A for being respectively used to acquisition three phase supply current data
Phase current sensor (211), B phase current sensor (212), C phase current sensor (213), for detecting whether grease chamber intakes
Grease chamber probe voltage sensor (220), for acquiring A phase voltage sensor (221), the B phase electricity of three phase supply voltage data
Pressure sensor (222), C phase voltage sensor (223) are installed on motor bearings pedestal for acquiring pump machine vibration data
Bear vibration sensor (231), lower bearing vibrating sensor (232) are installed in bearing base for acquiring bearing temperature
Upper bearing (metal) temperature sensor (241), lower bearing temperature sensor (242) are installed on pump machine built-in motor three-phase windings for adopting
Collect A phase armature winding temperature sensor (243), B phase armature winding temperature sensor (244), the C phase armature of measuring temperature of three-phase winding
Winding temperature sensor (245), for measuring the photoelectric encoder (25) of pump machine revolving speed.
On the parts selection of pump machine state detecting means, A phase current sensor (211), B phase current sensor (212), C
Phase current sensor (213) selects TA21A11 type Hall current sensor, and grease chamber probe voltage sensor (220) selects JS-
YT type grease chamber probe voltage sensor, A phase voltage sensor (221), B phase voltage sensor (222), C phase voltage sensor
(223) TAV61 type voltage sensor is selected, upper bearing (metal) vibrating sensor (231), lower bearing vibrating sensor (232) are selected
ADXL001 type acceleration vibrating sensor, upper bearing (metal) temperature sensor (241), lower bearing temperature sensor (242), A phase armature
Winding temperature sensor (243), B phase armature winding temperature sensor (244), C phase armature winding temperature sensor (245) are used
PT100 type temperature sensor；The installation of the sensor is technology known to technical field technical staff of the present invention
Content can carry out reasonable Arrangement and installation according to sensing principle and pump machine structure.
The data acquisition portion specific implementation include: for each channel temperature sensor (241,242,243,244,
245) output signal is improved bridge circuit (271), for each channel temperature sensor (241,242,243,244,
245) signal amplifies AD623 type amplifier chip (272), for each voltage sensor (221,222,223) and electricity
Flow sensor (211,212,213) carries out the AD620 type amplifier chip (273) of signal amplification, for voltage sensor
The Anti-aliasing Filter Circuits (274) that (221,222,223) and current sensor (211,212,213) signal is filtered, are used for
Synchronize the data sampling chip AD7606(275 of data acquisition) and digital signal for controlling data acquisition
Controller TMS320F28335(270).
As shown in figure 5, each channel temperature sensor (241,242,243,244,245) is through bridge circuit (271), then pass through
AD623 type amplifier chip (272) is connected to digital signal controller TMS320F28335(270) analog quantity/digital quantity turn
Alias, analog quantity/number of each channel vibrating sensor (231,232) and digital signal controller TMS320F28335(270)
Word amount translation interface is connected, each channel voltage sensor (211,212,213) and each channel current sensor (221,222,
223) through AD620 type amplifier chip, then through Anti-aliasing Filter Circuits (274), then synchronized data sampling chip AD7606
(275) it is connected with the analog quantity of digital signal controller TMS320F28335(270)/digital quantity translation interface, grease chamber probe electricity
Pressure sensor (220) is connected with the general digital input/output interface of digital signal controller TMS320F28335(270), light
Photoelectric coder (25) is connected by timer interface with digital signal controller TMS320F28335(270).
Data acquisition portion carry out data acquisition in, pass through synchronized data sampling chip AD7606(275) synchronization
Data sampling function synchronizes data acquisition to pump machine three phase supply electric current and three phase supply voltage data, and sample frequency is greater than
6400Hz。
The data processing division carries out also by digital signal controller TMS320F28335(270) real in the present embodiment
Apply, inside have 256K embedded flash memory memory, by writing data processing function, and compile, programming to embedded sudden strain of a muscle
Deposit the building in memory lines data processing algorithm library.
The first data communication section specific implementation includes: the microcontroller chip for controlling data link
STM32F103ZET6(290), for realizing the communication chip MAX485(291 of RS485 data communication protocol), wherein microcontroller
Device chip STM32F103ZET6(290) digital signal controller TMS320F28335(270 is connected to by UART interface), lead to
Believe chip MAX485(291) microcontroller chip STM32F103ZET6(290 is connected to by UART interface).
During pump machine status monitoring, digital signal controller TMS320F28335(270) log-on data collection process,
Data acquisition is carried out by each sensor of pump machine state detecting means, then calls the data processing function in data processing algorithm library
Each sensor data collected are handled, the characteristic parameter of reflection pump machine operating status is obtained, is then connect by UART
Microcontroller chip STM32F103ZET6(290 is given in oral instructions), it is driven by microcontroller chip STM32F103ZET6(290) logical
Letter chip MAX485(291) it is sent to the second data communication section of the external data communication units of pump machine.
Further, microcontroller chip STM32F103ZET6(290) can be by communication chip MAX485(291) connect
The pump machine control instruction that the cloud computing server of the second data communication section transfer of the external data communication units of pump machine is assigned is received, it is defeated
The starting of pump machine is carried out to control enforcement division out and closes control.
Still further, microcontroller chip STM32F103ZET6(290) communication chip MAX485 can also be passed through
(291) algorithms library assigned of cloud computing server that the second data communication section of the external data communication units of pump machine transfers is received more
New command and algorithm library file, and pass through embedded sudden strain of a muscle of the UART interface to digital signal controller TMS320F28335(270)
It deposits memory to be rewritten, realizes the long-range update to data processing algorithm library.
Digital signal controller TMS320F28335(270) it carries out at the data that the calculating of pump machine running state data is run
Adjustment method can be specified in the Monitoring instruction that cloud computing server is assigned in the range of its data processing algorithm library, include
The Monitoring instruction of specified data processing algorithm is sent to pump machine onboard data acquisition control list through the external data communication units of pump machine
The communication chip MAX485(291 of member), then pass through microcontroller chip STM32F103ZET6(290) send digital signal to
Controller TMS320F28335(270).
The specific implementation of the control enforcement division includes: optical coupling isolation device (261), relay, A.C. contactor.Such as figure
Shown in 5, in order to realize the starting to pump machine and close control, using relay coil (2621), relay normally open contact
(2623) pump machine starting control is carried out, the pass of pump machine is carried out using relay coil (2622), relay normally closed contact (2624)
Control is closed, coil (2631), the auxiliary contact (2632) of A.C. contactor are installed on control loop, the main contact of A.C. contactor
(2633) it is installed on major loop.The optical coupling isolation device (261) of the control enforcement division passes through general digital input/output interface
Access microcontroller chip STM32F103ZET6(290).
The pump machine control instruction that cloud computing server is assigned is based on RS485 data communication by the external data communication units of pump machine
Agreement is sent to microcontroller chip STM32F103ZET6(290), start control instruction if it is pump machine, then by microcontroller
Chip STM32F103ZET6(290) must be electric through optical coupling isolation device (261) control relay coil (2621), so that relay
Normally opened contact (2623) closure is closed the auxiliary touching of A.C. contactor so that the coil (2631) of A.C. contactor must be electric
Head (2632) formation control loop is self-locking, and the main contact (2633) of A.C. contactor is connected so that pump machine starts；If it is pump machine
Control instruction is closed, then controls relay through optical coupling isolation device (261) by microcontroller chip STM32F103ZET6(290)
Coil (2622) must be electric, so that relay normally closed contact (2624) disconnects, so that the coil (2631) of A.C. contactor loses
The main contact (2633) of electricity, A.C. contactor disconnects so that pump machine is closed.
As shown in figure 5, the specific implementation of the pump machine onboard data acquisition control unit further includes power supply unit, by exchanging
Transformer (111), ac/dc conversion module (112) and DC/DC conversion module (113) composition, AC transformer
(111) electricity is taken from the three-phase 660VAC/1140V current supply circuit of pump machine, is converted into 36VAC, then through ac/dc conversion module
(112) it is converted into 12VDC, then is converted into 3.3VDC through DC/DC conversion module (113) and gives pump machine onboard data acquisition control
Each component power supply of unit.
Design of circuit system and embedded software based on above-mentioned pump machine onboard data acquisition control unit specific embodiment
System design is technology contents that the technical field of the invention technical staff is grasped, can on the basis of foregoing description into
Row reproduction.
4th embodiment of the invention:
A kind of second of embodiment of the external data communication units of pump machine of intelligence submersible pump, implementation principle figure are as shown in Figure 6.
A kind of external data communication units of pump machine of intelligence submersible pump, the external data communication units of pump machine are installed on the water surface or more, use
In the bridge joint of data communication protocol, including the second data communication section, wired network communication interface and wireless network communications interface.
Second data communication section carries out the realization of RS485 data communication protocol using communication chip MAX485(311).
The wired network communication interface passes through Ethernet chip W5500(321) and RJ45 cable adapter (322)
Realize the wired network communication interface with cloud computing server, RJ45 cable adapter (322) and Ethernet chip W5500
(321) it is connected.
The wireless network communications interface is realized by EC20 wireless data communication module (331) and 4GLTE antenna (332)
With the wireless data communication interface of cloud computing server, 4GLTE antenna (332) and EC20 wireless data communication module (331) phase
Even.
In the embodiment of the external data communication units of this pump machine, using microcontroller chip STM32F103ZET6(310)
Carry out the data communication control of the external data communication units of pump machine.As shown in fig. 6, microcontroller chip STM32F103ZET6
(310) it is connected by UART interface with communication chip MAX485(311) and carries out data interaction, is connect by SPI interface and Ethernet
Mouth chips W 5500(321) it is connected, it is connected by UART interface with EC20 wireless data communication module (331).
During pump machine status monitoring, microcontroller chip STM32F103ZET6(310) it is based on RS485 data communication
Agreement receives the feature for the reflection pump machine operating status that the first data communication section of pump machine onboard data acquisition control unit is transmitted
Parameter, and the control instruction that cloud computing server can be assigned by wired network communication interface or wireless network communications interface
It is forwarded to the first data communication section of pump machine onboard data acquisition control unit.
Third embodiment and the 4th embodiment based on aforementioned present invention can be realized a kind of intelligence diving of the present invention
The specific implementation of electric pump, and those skilled in the art can be real based on third under the guidance of second embodiment of the invention
Apply the realization of the intelligent submersible pump progress method for monitoring operation states of example and the 4th embodiment.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for belonging to the present invention
For those skilled in the art, various changes and changes are possible in this application.Within the spirit and principles of this application,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this application.
Claims (9)
1. a kind of intelligence submersible pump characterized by comprising pump machine ontology, pump machine onboard data acquisition control unit and pump
The external data communication units of machine, wherein pump machine onboard data acquisition control unit is installed on inside pump machine, runs shape for pump machine
Acquisition, processing and the communication of state data, including pump machine state detecting means, data acquisition portion, data processing division, data processing algorithm
Library, the first data communication section and control enforcement division, the external data communication units of pump machine are installed on the water surface or more, are used for data communication
The bridge joint of agreement, including the second data communication section, wired network communication interface and wireless network communications interface；
Further, pump machine state detecting means are for perceiving pump machine running state data, comprising: current sensor, voltage sensor
Device, vibrating sensor, temperature sensor and speed probe, wherein current sensor is for acquiring pump machine three phase supply electric current
Data, for acquiring pump machine three phase supply voltage data, vibrating sensor is installed on motor bearings pedestal voltage sensor, is used
In the vibration data of acquisition pump machine, temperature sensor is respectively arranged in pump machine built-in motor three-phase windings and bearing base, point
The temperature of pump machine three-phase windings and bearing Yong Yu not be acquired, speed probe is installed on pump machine main shaft, for acquiring turning for pump machine
Fast data；
Data acquisition portion is connected with each sensor of pump machine state detecting means, by the pump machine running state data perceived by mould
Analog quantity is converted into digital quantity, and delivers data processing division and carry out data processing；
Data processing division operation data Processing Algorithm handles the data of data acquisition portion each sensor collected, with
Obtain the characteristic parameter for being able to reflect pump machine operating status；
Data processing algorithm library is used to provide data processing algorithm for data processing division；
First data communication section is used to carry out data interaction with the second data communication section of the external data communication units of pump machine, is pumping
The characteristic parameter for the reflection pump machine operating status that data processing division obtains is sent to the external number of pump machine during machine status monitoring
According to the second data communication section of communication unit, and it can receive and parse the second data communication of the external data communication units of pump machine
The instruction that the cloud computing server that portion transfers is assigned；
Control enforcement division is connected with the first data communication section, for being started and being closed control to pump machine；
Second data communication section is used for the data interaction with the first data communication section of pump machine onboard data acquisition control unit,
The reflected pump that the first data communication section of pump machine onboard data acquisition control unit is transmitted is received during pump machine status monitoring
The characteristic parameter of machine operating status, and cloud computing server can be connect by wired network communication interface or wireless communication
The instruction that mouth is assigned is forwarded to the first data communication section of pump machine onboard data acquisition control unit；
Wired network communication interface is used for the data communication of the second data communication section and cloud computing server based on cable network；
Wireless network communications interface is used for the data communication of the second data communication section and cloud computing server based on wireless network；
First data communication section of pump machine onboard data acquisition control unit and the second data of the external data communication units of pump machine
Communication unit carries out data interaction by wired network communication, establishes the data link of underwater pump machine and cloud computing server.
2. a kind of intelligent submersible pump according to claim 1, wherein data acquisition portion is to pump machine three phase supply electricity
Stream and three phase supply voltage data synchronize data acquisition, and sample frequency is greater than 6400Hz.
3. a kind of intelligent submersible pump according to claim 1, wherein the control enforcement division includes light-coupled isolation dress
It sets, relay, A.C. contactor, wherein optical coupling isolation device is connected with the first data communication section, receives the first data communication section
Control instruction, A.C. contactor movement then controlled by relay carry out pump machine main circuit power supply and switching on and off, it is real
Now the starting of pump machine and closing are controlled.
4. a kind of intelligent submersible pump according to claim 1, wherein the data processing algorithm library can be based on underwater
The data link of pump machine and cloud computing server is remotely updated by cloud computing server.
5. a kind of intelligent submersible pump according to claim 1, wherein the data processing that the data processing division is run
Algorithm can route cloud computing server based on the data communication chain of underwater pump machine and cloud computing server and be specified.
6. a kind of intelligence submersible pump running state monitoring method, which comprises the following steps:
The external data communication units of step 1 pump machine receive the instruction that cloud computing server is assigned；
The instruction that second data communication section of the external data communication units of step 2 pump machine assigns cloud computing server transfers to pump
First data communication section of machine onboard data acquisition control unit；
First data communication section of step 3 pump machine onboard data acquisition control unit receives and parses through what cloud computing server was assigned
Instruction then requires drive control enforcement division to start or close pump machine, refers to if it is monitoring if it is control instruction according to instruction
It enables, then driving data acquisition portion executes data acquisition and then held by the first data communication section if it is algorithms library more new command
Row algorithms library renewal process；
Wherein, data acquisition the following steps are included:
Step 3-2-1 receives Monitoring instruction, and the second data communication section of the external data communication units of pump machine is logical by cable network
Letter interface or wireless network communications interface receive the Monitoring instruction that cloud computing server is assigned, and are transmitted to the acquisition of pump machine onboard data
First data communication section of control unit, then driving data acquisition portion log-on data collection process；
The data acquisition portion step 3-2-2 acquires data, and data acquisition portion obtains what each sensor of pump machine state detecting means was perceived
The pump machine running state data perceived is converted into digital quantity by analog quantity, and delivered at data by pump machine running state data
Reason portion carries out data processing；
Step 3-2-3 data processing division extracts characteristic parameter, and data processing division calls the data processing in data processing algorithm library to calculate
Method handles the data of data acquisition portion each sensor collected, to obtain the spy for being able to reflect pump machine operating status
Parameter is levied, and delivers the first data communication section；
Step 3-2-4 the first data communication section receiving data processing unit calculates the feature ginseng of resulting reflection pump machine operating status
Number, is sent to the second data communication section；
The second data communication section of step 3-2-5 receives characteristic parameter transmitted by the first data communication section, logical by cable network
Letter interface or wireless network communications interface are transmitted to cloud computing server；
Step 3-2-6 pump machine onboard data acquisition control unit repeats step 3-2-2 ~ step 3-2-5 until built in pump machine
The second data communication section that first data communication section of data collection control unit receives the external data communication units of pump machine turns
The new command that the cloud computing server sent is assigned；
Algorithms library renewal process the following steps are included:
Step 3-3-1 receiving algorithm library more new command, the second data communication section of the external data communication units of pump machine pass through wired
Network communication interface or wireless network communications interface receive the algorithms library more new command that cloud computing server is assigned, and are transmitted to pump
First data communication section of machine onboard data acquisition control unit；
Second data communication section of step 3-3-2 receiving algorithm library file framing, the external data communication units of pump machine receives cloud meter
The algorithm library file downlink data upon handover that server is assigned is calculated, and the first data for being transmitted to pump machine onboard data acquisition control unit are logical
Letter portion；
Step 3-3-3 checking algorithm library file framing, the first data communication section docking of pump machine onboard data acquisition control unit
The algorithm library file framing of receipts is verified, if verify it is incorrect if through the external data communication units of pump machine to cloud computing service
Device returns to error code, correctly 3-3-4 is thened follow the steps if received, if receiving same algorithm library file framing three times again
Mistake then exits algorithms library renewal process；
First data communication section cache algorithm library file framing of step 3-3-4 pump machine onboard data acquisition control unit, and sentence
Whether disconnected algorithm library file framing receives, and recycles if not receiving and executes step 3-3-2 ~ step 3-3-4, if
It receives and thens follow the steps 3-3-5；
Step 3-3-5 merges algorithm library file, and received algorithm library file framing is merged into algorithm library text by framing sequence
Part；
Step 3-3-6 updates algorithm library file, and combined algorithm library file is updated to data algorithm library；
Step 3-3-7 reads algorithm library file, and verifies to it, enables new data algorithms library if verification is correct, no
Then exit algorithms library renewal process.
7. a kind of intelligent submersible pump running state monitoring method according to claim 6, wherein under cloud computing server
The Monitoring instruction reached includes that data processing algorithm called to data processing division is specified.
8. a kind of intelligent submersible pump running state monitoring method according to claim 6, wherein under cloud computing server
The algorithms library reached more new command includes upgrade command mark, algorithm library file framing number and file verification code by byte order.
9. a kind of intelligent submersible pump running state monitoring method according to claim 6, wherein algorithm library file framing
It include framing command identification, framing serial number, downlink data upon handover and check code by byte order.
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| WO2020253890A3 (en) * | 2019-06-21 | 2021-02-11 | 国网山西省电力公司电力科学研究院 | Long-term operation evaluation apparatus for transformer oil pump and evaluation method |
| CN113137378A (en) * | 2020-01-20 | 2021-07-20 | 中国农业大学 | Device and method for monitoring running state of pump |
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