CN115081493A - Variable frequency speed regulation device operation control system based on data analysis - Google Patents
Variable frequency speed regulation device operation control system based on data analysis Download PDFInfo
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Abstract
The invention relates to the technical field of variable frequency speed regulation devices, and is used for solving the problems that the comprehensive monitoring of the running state of a variable frequency speed regulation device is difficult to realize and the high-efficiency integration of monitoring data is difficult to realize in the existing running monitoring control mode of the variable frequency speed regulation device, so that the stable running of the variable frequency speed regulation device is seriously hindered, in particular to a variable frequency speed regulation device running control system based on data analysis, which comprises a server, wherein the server is in communication connection with a data acquisition unit, an interference factor analysis unit, an installation environment analysis unit, a power failure analysis unit, a comprehensive analysis unit, an early warning feedback control unit and a display terminal; according to the invention, the running state of the variable-frequency speed regulating device is efficiently monitored from different layers, and the running of the variable-frequency speed regulating device is comprehensively judged by using a data integration mode, so that the variable-frequency speed regulating device is accurately controlled, and the stable running of the variable-frequency speed regulating device is ensured.
Description
Technical Field
The invention relates to the technical field of variable frequency speed control devices, in particular to a variable frequency speed control device operation control system based on data analysis.
Background
The frequency conversion speed regulation device is composed of a frequency converter and a controller, wherein the frequency converter receives a three-phase power supply and converts the three-phase power supply into the frequency-adjustable three-phase power supply, namely, the basic principle of the frequency conversion speed regulation system is that the frequency value of the three-phase power supply supplied to the motor is changed according to the relational characteristic expression of the rotating speed of the motor and the input frequency, so that the purpose of changing the rotating speed of the motor is achieved, the frequency conversion speed regulation device is widely applied to a plurality of fields of port machinery, metallurgy, paper making, elevators and the like, and the frequency conversion speed regulation device is vital in order to prevent accidents and realize high-efficiency monitoring control on the operation of the frequency conversion speed regulation device;
however, in the existing mode of monitoring and controlling the operation of the variable frequency speed regulating device, it is difficult to achieve comprehensive monitoring of the operation state of the variable frequency speed regulating device, and also difficult to achieve high-efficiency integration of monitoring data, and difficult to achieve comprehensive analysis of the fault cause of the variable frequency speed regulating device, so that the stable operation of the variable frequency speed regulating device is seriously hindered;
in order to solve the above-mentioned drawbacks, a technical solution is now provided.
Disclosure of Invention
The invention aims to solve the problems that the comprehensive monitoring of the running state of the variable-frequency speed regulating device, the high-efficiency integration of monitoring data and the comprehensive analysis of the fault cause of the variable-frequency speed regulating device are difficult to realize in the existing running monitoring control mode of the variable-frequency speed regulating device, so the stable running of the variable-frequency speed regulating device is seriously hindered, the running state of the variable-frequency speed regulating device is efficiently monitored from different layers by utilizing the symbolized calibration and normalization analysis mode and the reference data comparison analysis mode, the running of the variable-frequency speed regulating device is comprehensively judged by utilizing the data integration mode, the running state of the variable-frequency speed regulating device is timely pre-warned and reported by adopting the text description and data feedback mode, so that the running state of the variable-frequency speed regulating device is more comprehensively and definitely analyzed, the method also realizes accurate and efficient control processing of the variable-frequency speed regulating device, ensures the stable operation of the variable-frequency speed regulating device, and provides a variable-frequency speed regulating device operation control system based on data analysis.
The purpose of the invention can be realized by the following technical scheme:
a frequency conversion speed regulation device operation control system based on data analysis comprises a server, wherein the server is in communication connection with a data acquisition unit, an interference factor analysis unit, an installation environment analysis unit, a power failure analysis unit, a comprehensive analysis unit, an early warning feedback control unit and a display terminal;
the data acquisition unit is used for acquiring interference factor information, operating environment information and power supply state information of the variable-frequency speed regulation device and respectively sending the interference factor information, the operating environment information and the power supply state information to the interference factor analysis unit, the installation environment analysis unit and the power supply fault analysis unit through the server;
the interference factor analysis unit is used for receiving interference factor information of the variable-frequency speed regulating device, judging and analyzing the interference degree of the factors, generating a mild interference signal, a moderate interference signal and a severe interference signal according to the judgment and analysis, and sending the mild interference signal, the moderate interference signal and the severe interference signal to the comprehensive analysis unit;
the installation environment analysis unit is used for receiving the operation environment information of the variable-frequency speed regulation device, judging, analyzing and processing the installation environment state, generating an installation environment secondary signal, an installation environment middle-level signal and an installation environment superior signal according to the operation environment information, and sending the installation environment secondary signal, the installation environment middle-level signal and the installation environment superior signal to the comprehensive analysis unit;
the power failure analysis unit is used for receiving power state information of the variable-frequency speed regulation device, judging, analyzing and processing the power failure state, generating a power failure light signal, a power failure moderate signal and a power failure severe signal according to the power failure state information, and sending the power failure light signal, the power failure moderate signal and the power failure severe signal to the comprehensive analysis unit;
the comprehensive analysis unit is used for receiving the interference judgment type signal, the environment judgment type signal and the power failure judgment type signal, performing data integration analysis processing, generating a running comprehensive judgment superior signal, a running comprehensive judgment intermediate signal and a running comprehensive judgment secondary signal according to the data, and sending the signals to the early warning feedback control unit;
and the early warning feedback control unit is used for receiving the comprehensive operation judgment signals of all levels to perform early warning analysis processing, and sending the signals to a display terminal to display and explain in a text word description mode.
Further, the specific operation steps of the factor interference degree determination analysis processing are as follows:
acquiring an electromagnetic magnitude value, a wiring distance and a noise magnitude value in interference factor information around a frequency converter of the frequency conversion speed regulation device in real time, respectively marking the electromagnetic magnitude value, the wiring distance and the noise magnitude value as dc, pd and zs, carrying out normalization analysis on the dc, pd and zs, and carrying out normalization analysis according to a formula
Obtaining an interference source coefficient gr, wherein e1, e2 and e3 are weight factor coefficients of an electromagnetic induction magnitude, a wiring distance and a noise magnitude respectively, e1 > e2 > e3 > 0, and e1+ e2+ e3= 6.9;
setting an interference contrast reference threshold Y1 of the interference source coefficient, and comparing and analyzing the interference source coefficient with a preset interference contrast reference threshold Y1;
when the interference source coefficient is smaller than a preset interference contrast reference threshold value Y1, a light interference signal is generated, when the interference source coefficient is equal to a preset interference contrast reference threshold value Y1, a moderate interference signal is generated, and when the interference source coefficient is larger than a preset interference contrast reference threshold value Y1, a heavy interference signal is generated.
Further, the specific operation steps of the installation environment state determination and analysis processing are as follows:
obtaining vibration quantity value, temperature, humidity and corrosion quantity value in the operating environment information of the variable-frequency speed regulation device in real time, respectively marking the vibration quantity value, the temperature, the humidity and the corrosion quantity value as zd, tm, sd and fs, carrying out normalization analysis on the values, and analyzing the values according to a formula
Obtaining the installation environment coefficient ahWherein g1, g2, g3 and g4 are correction factor coefficients of vibration magnitude, temperature, humidity and corrosion magnitude respectively, and g1, g2, g3 and g4 are all natural numbers greater than 0;
setting gradient contrast sections Q1, Q2 and Q3 of the installation environment coefficients, and substituting the installation environment coefficients into preset gradient contrast sections Q1, Q2 and Q3 for comparative analysis, wherein the gradient contrast sections Q1, Q2 and Q3 are reduced in gradient;
the installation environment secondary signal is generated when the gradient of the installation environment coefficient is within a gradient comparison section Q1, the installation environment middle level signal is generated when the gradient of the installation environment coefficient is within a gradient comparison section Q2, and the installation environment superior level signal is generated when the gradient of the installation environment coefficient is within a gradient comparison section Q3.
Further, the specific operation steps of the power failure state determination analysis processing are as follows:
acquiring a load magnitude value, a voltage fluctuation magnitude value and a starting torque magnitude value of the variable-frequency speed regulation device in real time, respectively marking the load magnitude value, the voltage fluctuation magnitude value and the starting torque magnitude value as fz, du and qz, performing formulated analysis on the fz, du and qz, and performing formulated analysis according to a formula
Obtaining power failure coefficients dgx, wherein h1, h2 and h3 are proportional coefficients of a load magnitude value, a voltage fluctuation magnitude value and a starting torque magnitude value respectively, and h1, h2 and h3 are all natural numbers larger than 0;
setting a fault comparison reference threshold Y2 of the power failure coefficient, and comparing and analyzing the power failure coefficient with a preset fault comparison reference threshold Y2;
when the power failure coefficient is larger than a preset failure comparison reference threshold value Y2, a power failure severe signal is generated, when the power failure coefficient is equal to a preset failure comparison reference threshold value Y2, a power failure moderate signal is generated, and when the power failure coefficient is smaller than a preset failure comparison reference threshold value Y2, a power failure mild signal is generated.
Further, the specific operation steps of the data integration analysis processing are as follows:
establishing a set A according to the interference judgment type signal, calibrating a light interference signal as an element 1, calibrating a medium interference signal as an element 2, and calibrating a heavy interference signal as an element 3, wherein the element 1 belongs to the set A, the element 2 belongs to the set A, and the element 3 belongs to the set A;
establishing a set B according to the environment judgment type signal, calibrating the installation environment superior signal into an element 4, calibrating the installation environment intermediate signal into an element 5, calibrating the installation environment secondary signal into an element 6, wherein the element 4 belongs to the set B, the element 5 belongs to the set B, and the element 6 belongs to the set B;
establishing a set C according to the power failure judgment type signal, calibrating a power failure light signal as an element 7, calibrating a power failure medium signal as an element 8, calibrating a power failure heavy signal as an element 9, wherein the element 7 belongs to the set C, the element 8 belongs to the set C, and the element 9 belongs to the set C;
and performing union analysis on the set A, B and C, generating a running comprehensive judgment primary signal if A ≧ B = {1, 4, 7}, generating a running comprehensive judgment secondary signal if A = {3, 6, 9}, and generating running comprehensive judgment secondary signals in other cases.
Further, the specific operation steps of the early warning analysis processing are as follows:
when receiving a running comprehensive judgment premium grade signal, sending the running comprehensive judgment premium grade signal to a display terminal in a text word mode of a stable overall running state of the variable-frequency speed regulating device without any control operation for displaying and explaining;
when receiving an operation comprehensive judgment intermediate signal, sending the signal to a display terminal for displaying explanation in a text typeway that the integral operation of the variable-frequency speed regulation device is in a normal stable state and continuous monitoring control operation needs to be kept;
when the secondary signal for comprehensive judgment of operation is received, the secondary signal is sent to a display terminal in a text word mode of 'unstable integral operation of the variable-frequency speed regulation device, and urgent need to carry out comprehensive maintenance control operation' to display and explain.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the running state of the variable-frequency speed regulating device is accurately monitored and analyzed from an interference factor level, an installation environment level and a power failure running level respectively by utilizing symbolic calibration, normalized analysis and reference data comparison analysis modes, so that the running state of the variable-frequency speed regulating device is efficiently monitored, and a foundation is laid for judging the stability of the integral running of the variable-frequency speed regulating device;
(2) the invention utilizes the element symbol calibration, the union operation mode and the integrated output mode to comprehensively process the judgment and analysis of the operation monitoring of the variable-frequency speed regulating device on different levels, and adopts the text description and data feedback mode to carry out the early warning report on the operation state of the variable-frequency speed regulating device in time, thereby realizing the accurate and efficient control processing of the variable-frequency speed regulating device while carrying out more comprehensive and definite analysis on the operation state of the variable-frequency speed regulating device and ensuring the stable operation of the variable-frequency speed regulating device.
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For the understanding of those skilled in the art, the present invention will be further described with reference to the accompanying drawings;
FIG. 1 is a general block diagram of the system of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a frequency conversion speed regulation device operation control system based on data analysis comprises a server, wherein the server is in communication connection with a data acquisition unit, an interference factor analysis unit, an installation environment analysis unit, a power failure analysis unit, a comprehensive analysis unit, an early warning feedback control unit and a display terminal;
the data acquisition unit is used for acquiring interference factor information, operating environment information and power supply state information of the variable-frequency speed regulation device and respectively sending the interference factor information, the operating environment information and the power supply state information to the interference factor analysis unit, the installation environment analysis unit and the power supply fault analysis unit through the server;
when the interference factor analysis unit receives the interference factor information influencing the operation of the variable-frequency speed regulation device, the factor interference degree is judged, analyzed and processed according to the interference factor information, and the specific operation process is as follows:
acquiring an electromagnetic magnitude value, a wiring distance and a noise magnitude value in interference factor information around a frequency converter of the frequency conversion speed regulation device in real time, respectively marking the electromagnetic magnitude value, the wiring distance and the noise magnitude value as dc, pd and zs, carrying out normalization analysis on the dc, pd and zs, and carrying out normalization analysis according to a formula
Obtaining an interference source coefficient gr, wherein e1, e2 and e3 are respectively weight factor coefficients of the electromagnetic induction quantity value, the wiring distance and the noise quantity value, e1 > e2 > e3 > 0, and e1+ e2+ e3=6.9, and the weight factor coefficients are used for balancing the proportion weight of each item of data in formula calculation, so that the accuracy of the calculation result is promoted;
it should be noted that the electromagnetic quantity value refers to a data quantity value of electromagnetic induction existing around a frequency converter in the frequency conversion and speed regulation device, when an expression value of the electromagnetic quantity value is larger, the electromagnetic induction existing around the frequency converter is larger, and when the electromagnetic induction existing around the frequency converter is larger, the electromagnetic induction generates larger interference to the frequency conversion and speed regulation device, so that the operation stability of the frequency conversion and speed regulation device is seriously influenced;
the wiring distance refers to the wiring distance of a control loop in a frequency converter in the frequency conversion speed regulation device, when the expression value of the wiring distance is larger, the wiring distance of the control loop in the frequency converter is longer, and when the wiring distance of the control loop in the frequency converter is longer, the interference degree on the operation of the frequency conversion speed regulation device is increased, so that the operation stability of the frequency conversion speed regulation device is seriously influenced;
the noise value refers to a data value of the noise generated around the frequency converter in the frequency conversion speed regulation device, and when the expression value of the noise value is larger, the noise generated around the frequency converter is larger, and the interference degree on the operation of the frequency conversion speed regulation device is larger;
setting an interference contrast reference threshold Y1 of an interference source coefficient, comparing and analyzing the interference source coefficient with a preset interference contrast reference threshold Y1, generating a slight interference signal when the interference source coefficient is smaller than the preset interference contrast reference threshold Y1, generating a moderate interference signal when the interference source coefficient is equal to the preset interference contrast reference threshold Y1, and generating a severe interference signal when the interference source coefficient is larger than the preset interference contrast reference threshold Y1;
sending the generated slight interference signal, the generated moderate interference signal and the generated severe interference signal to a comprehensive analysis unit;
when the installation environment analysis unit receives the operation environment information of the variable-frequency speed regulation device, the installation environment state is judged, analyzed and processed according to the operation environment information, and the specific operation process is as follows:
obtaining vibration quantity value, temperature, humidity and corrosion quantity value in the operating environment information of the variable-frequency speed regulation device in real time, respectively marking the vibration quantity value, the temperature, the humidity and the corrosion quantity value as zd, tm, sd and fs, carrying out normalization analysis on the values, and analyzing the values according to a formula
Obtaining an installation environment coefficient ah, wherein g1, g2, g3 and g4 are correction factor coefficients of vibration magnitude, temperature, humidity and corrosion magnitude respectively, g1, g2, g3 and g4 are all natural numbers larger than 0, and the correction factor coefficients are used for correcting deviation of each parameter in the formula calculation process, so that more accurate parameter data can be calculated;
it should be noted that the vibration magnitude refers to a data magnitude of vibration amplitude generated by the variable frequency speed regulation device during operation, and when the expression value of the vibration magnitude is larger, the larger the vibration amplitude generated by the variable frequency speed regulation device during operation is, the larger the mechanical damage degree to the variable frequency speed regulation device is;
the temperature refers to a data quantity value of the temperature of the environment where the variable-frequency speed regulation device is located, and when the temperature of the environment where the variable-frequency speed regulation device is located is higher, the service life and the running reliability of electronic elements of the variable-frequency speed regulation device are influenced, so that the damage degree to the variable-frequency speed regulation device is further increased;
the humidity refers to a data quantity value of the humidity expression size of the environment where the variable-frequency speed regulation device is located, and when the humidity of the environment where the variable-frequency speed regulation device is located is higher, the service life and the running reliability of electronic elements of the variable-frequency speed regulation device are influenced, so that the damage degree to the variable-frequency speed regulation device is further higher;
the corrosion magnitude refers to a data magnitude of the content of corrosive gas existing in the environment where the variable-frequency speed regulation device is located, and when the expression value of the corrosion magnitude is larger, the higher the concentration of the corrosive gas existing in the environment where the variable-frequency speed regulation device is located is, the worse the installation environment where the variable-frequency speed regulation device is located is, the more adverse to the stability of the operation of the variable-frequency speed regulation device is;
setting gradient contrast sections Q1, Q2 and Q3 of the installation environment coefficients, and substituting the installation environment coefficients into preset gradient contrast sections Q1, Q2 and Q3 for comparative analysis, wherein the gradient contrast sections Q1, Q2 and Q3 are reduced in gradient;
generating an installation environment secondary signal when the gradient of the installation environment coefficient is compared with the section Q1, generating an installation environment middle-level signal when the gradient of the installation environment coefficient is compared with the section Q2, and generating an installation environment superior-level signal when the gradient of the installation environment coefficient is compared with the section Q3;
sending the generated secondary signals of the installation environment, the secondary signals of the installation environment and the superior signals of the installation environment to a comprehensive analysis unit;
when the power failure analysis unit receives the power state information of the variable-frequency speed regulation device, the power failure state judgment analysis processing is carried out according to the power state information, and the specific operation process is as follows:
acquiring a load magnitude value, a voltage fluctuation magnitude value and a starting torque magnitude value of the variable-frequency speed regulation device in real time, respectively marking the load magnitude value, the voltage fluctuation magnitude value and the starting torque magnitude value as fz, du and qz, performing formulated analysis on the fz, du and qz, and performing formulated analysis according to a formula
Obtaining a power failure coefficient dgx, wherein h1H2 and h3 are respectively proportionality coefficients of a load magnitude value, a voltage fluctuation magnitude value and a starting torque magnitude value, and h1, h2 and h3 are all natural numbers greater than 0, wherein the smaller the expression value of the power failure coefficient is, the smaller the degree of the fault influence of the power supply of the variable frequency speed regulating device is, and the more the stable operation of the variable frequency speed regulating device is ensured;
it should be noted that the voltage fluctuation quantity value refers to a data quantity value of the fluctuation amplitude of the power supply voltage in unit time, and when the voltage fluctuation quantity value is larger, the larger the fluctuation amplitude of the power supply voltage in unit time is, the more the instability of the operation of the variable frequency speed control device is explained;
the load magnitude refers to a data magnitude of the load degree born by the variable-frequency speed regulation device during operation, when the expression value of the load magnitude is smaller, the smaller the load degree born by the variable-frequency speed regulation device during operation is, the more the stability of the power supply operation is ensured, and the larger the expression value of the starting torque magnitude is, the better the expression degree of the power supply operation of the variable-frequency speed regulation device is;
setting a fault comparison reference threshold Y2 of the power failure coefficient, and comparing and analyzing the power failure coefficient with a preset fault comparison reference threshold Y2;
when the power failure coefficient is larger than a preset failure comparison reference threshold value Y2, generating a power failure severe signal, when the power failure coefficient is equal to a preset failure comparison reference threshold value Y2, generating a power failure moderate signal, and when the power failure coefficient is smaller than a preset failure comparison reference threshold value Y2, generating a power failure mild signal;
sending the generated power failure mild signal, power failure moderate signal and power failure severe signal to a comprehensive analysis unit;
when the comprehensive analysis unit receives the interference judgment type signal, the environment judgment type signal and the power failure judgment type signal, the data integration analysis processing is carried out according to the signals, and the specific operation process is as follows:
establishing a set A according to an interference judgment type signal, marking a mild interference signal as an element 1, marking a moderate interference signal as an element 2, marking a severe interference signal as an element 3, wherein the element 1 belongs to the set A, the element 2 belongs to the set A, and the element 3 belongs to the set A;
establishing a set B according to the environment judgment type signal, calibrating the installation environment superior signal into an element 4, calibrating the installation environment intermediate signal into an element 5, calibrating the installation environment secondary signal into an element 6, wherein the element 4 belongs to the set B, the element 5 belongs to the set B, and the element 6 belongs to the set B;
establishing a set C according to the power failure judgment type signal, calibrating a power failure light signal as an element 7, calibrating a power failure medium signal as an element 8, calibrating a power failure heavy signal as an element 9, wherein the element 7 belongs to the set C, the element 8 belongs to the set C, and the element 9 belongs to the set C;
performing union analysis on the set A, B and C, generating a running comprehensive judgment primary signal if A ≧ B = {1, 4, 7}, generating a running comprehensive judgment secondary signal if A = {3, 6, 9}, and generating running comprehensive judgment secondary signals in other cases;
sending the generated running comprehensive judgment superior signal, the running comprehensive judgment intermediate signal and the running comprehensive judgment secondary signal to an early warning feedback control unit;
when the early warning feedback control unit receives the operation comprehensive judgment superior signal, the operation comprehensive judgment intermediate signal and the operation comprehensive judgment secondary signal, early warning analysis processing is carried out according to the operation comprehensive judgment superior signal, and the specific operation process is as follows:
when receiving a running comprehensive judgment priority signal, sending the running comprehensive judgment priority signal to a display terminal in a text word mode of 'the whole running of the variable-frequency speed regulation device is in a stable state and does not need any control operation' to display a description;
when receiving an operation comprehensive judgment intermediate signal, sending the signal to a display terminal for displaying explanation in a text typeway that the integral operation of the variable-frequency speed regulation device is in a normal stable state and continuous monitoring control operation needs to be kept;
when the secondary signal for comprehensive judgment of operation is received, the secondary signal is sent to a display terminal in a text word mode of 'unstable integral operation of the variable-frequency speed regulation device, and urgent need to carry out comprehensive maintenance control operation' to display and explain.
The formulas are obtained by acquiring a large amount of data and performing software simulation, and the coefficients in the formulas are set by the technicians in the field according to actual conditions;
such as the formula:
；
collecting multiple groups of sample data by technicians in the field and setting a corresponding weight factor coefficient for each group of sample data; substituting the set weight factor coefficient and the acquired sample data into a formula, forming a linear equation set by any two formulas, screening the calculated coefficients and taking the mean value to obtain values of e1, e2 and e3 which are respectively 3, 2 and 1.9;
the size of the coefficient is a specific numerical value obtained by quantizing each parameter, so that the subsequent comparison is convenient, and the size of the coefficient depends on the number of sample data and a corresponding weight factor coefficient is preliminarily set for each group of sample data by a person skilled in the art; as long as the proportional relationship between the parameters and the quantized values is not affected.
When the method is used, interference factor information of the variable-frequency speed regulating device is obtained, factor interference degree judgment analysis processing is carried out, and accurate judgment analysis is carried out on the interference factor information influencing the variable-frequency speed regulating device from an interference factor analysis layer by utilizing symbolic calibration and normalized analysis and a comparison analysis mode of reference threshold values, so that the interference factor influencing the variable-frequency speed regulating device is definitely analyzed, and meanwhile, a foundation is laid for judging the integral operation stability of the variable-frequency speed regulating device;
the method comprises the steps of obtaining operating environment information of the variable-frequency speed regulation device, judging, analyzing and processing the installation environment state, and realizing clear judgment and analysis on the installation environment state of the variable-frequency speed regulation device by means of data analysis, gradient reference interval setting and one-by-one comparison and analysis;
by acquiring the power supply state information of the variable-frequency speed regulation device, judging, analyzing and processing the power supply fault state and utilizing the formulated analysis and the signalized output, the fault state of the power supply of the variable-frequency speed regulation device is accurately analyzed, and meanwhile, the efficient monitoring effect on the operation of the variable-frequency speed regulation device is further realized;
by utilizing the element symbol calibration, the union operation mode and the integrated output mode, the judgment and analysis of the operation monitoring of the variable frequency speed regulation device are comprehensively processed in different layers, and the running state of the variable frequency speed regulation device is timely early-warning and reported by adopting the text description and data feedback modes, so that the running state of the variable frequency speed regulation device is comprehensively and definitely analyzed, the accurate and efficient control processing of the variable frequency speed regulation device is realized, and the stable operation of the variable frequency speed regulation device is ensured.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A frequency conversion speed regulation device operation control system based on data analysis comprises a server and is characterized in that the server is in communication connection with a data acquisition unit, an interference factor analysis unit, an installation environment analysis unit, a power failure analysis unit, a comprehensive analysis unit, an early warning feedback control unit and a display terminal;
the data acquisition unit is used for acquiring interference factor information, operating environment information and power supply state information of the variable-frequency speed regulation device and respectively sending the interference factor information, the operating environment information and the power supply state information to the interference factor analysis unit, the installation environment analysis unit and the power supply fault analysis unit through the server;
the interference factor analysis unit is used for receiving interference factor information of the variable frequency speed regulation device, judging and analyzing the degree of factor interference, generating a mild interference signal, a moderate interference signal and a severe interference signal according to the judgment and analysis, and sending the mild interference signal, the moderate interference signal and the severe interference signal to the comprehensive analysis unit;
the installation environment analysis unit is used for receiving the operation environment information of the variable-frequency speed regulation device, judging, analyzing and processing the installation environment state, generating an installation environment secondary signal, an installation environment middle-level signal and an installation environment superior signal according to the operation environment information, and sending the installation environment secondary signal, the installation environment middle-level signal and the installation environment superior signal to the comprehensive analysis unit;
the power failure analysis unit is used for receiving power state information of the variable-frequency speed regulation device, judging, analyzing and processing the power failure state, generating a power failure light signal, a power failure moderate signal and a power failure severe signal according to the power failure state information, and sending the power failure light signal, the power failure moderate signal and the power failure severe signal to the comprehensive analysis unit;
the comprehensive analysis unit is used for receiving the interference judgment type signal, the environment judgment type signal and the power failure judgment type signal, performing data integration analysis processing, generating a running comprehensive judgment superior signal, a running comprehensive judgment intermediate signal and a running comprehensive judgment secondary signal according to the data, and sending the signals to the early warning feedback control unit;
and the early warning feedback control unit is used for receiving the comprehensive operation judgment signals of all levels to perform early warning analysis processing, and sending the signals to a display terminal to display and explain in a text word description mode.
2. The operation control system of the variable-frequency speed regulation device based on the data analysis as claimed in claim 1, wherein the specific operation steps of the factor interference degree judgment analysis processing are as follows:
acquiring an electromagnetic magnitude value, a wiring distance and a noise magnitude value in interference factor information around a frequency converter of the frequency conversion speed regulation device in real time, respectively marking the electromagnetic magnitude value, the wiring distance and the noise magnitude value as dc, pd and zs, carrying out normalization analysis on the dc, pd and zs, and carrying out normalization analysis according to a formula
And obtaining the interference source coefficient gr, wherein,e1, e2, and e3 are weight factor coefficients of the electromagnetic induction magnitude, wiring distance, and noise magnitude, respectively, and e1 > e2 > e3 > 0, and e1+ e2+ e3= 6.9;
setting an interference contrast reference threshold Y1 of the interference source coefficient, and comparing and analyzing the interference source coefficient with a preset interference contrast reference threshold Y1;
when the interference source coefficient is smaller than a preset interference contrast reference threshold value Y1, a light interference signal is generated, when the interference source coefficient is equal to a preset interference contrast reference threshold value Y1, a moderate interference signal is generated, and when the interference source coefficient is larger than a preset interference contrast reference threshold value Y1, a heavy interference signal is generated.
3. The operation control system of the variable-frequency speed regulation device based on the data analysis as claimed in claim 1, wherein the specific operation steps of the installation environment state judgment analysis processing are as follows:
obtaining vibration quantity value, temperature, humidity and corrosion quantity value in the operating environment information of the variable-frequency speed regulation device in real time, respectively marking the vibration quantity value, the temperature, the humidity and the corrosion quantity value as zd, tm, sd and fs, carrying out normalization analysis on the values, and analyzing the values according to a formula
Obtaining an installation environment coefficient ah, wherein g1, g2, g3 and g4 are respectively correction factor coefficients of vibration magnitude, temperature, humidity and corrosion magnitude, and g1, g2, g3 and g4 are all natural numbers larger than 0;
setting gradient contrast sections Q1, Q2 and Q3 of the installation environment coefficients, and substituting the installation environment coefficients into preset gradient contrast sections Q1, Q2 and Q3 for comparative analysis, wherein the gradient contrast sections Q1, Q2 and Q3 are reduced in gradient;
the installation environment secondary signal is generated when the gradient of the installation environment coefficient is within a gradient comparison section Q1, the installation environment middle level signal is generated when the gradient of the installation environment coefficient is within a gradient comparison section Q2, and the installation environment superior level signal is generated when the gradient of the installation environment coefficient is within a gradient comparison section Q3.
4. The system for controlling the operation of the variable-frequency speed regulation device based on the data analysis as claimed in claim 1, wherein the specific operation steps of the power failure state determination analysis processing are as follows:
acquiring a load magnitude value, a voltage fluctuation magnitude value and a starting torque magnitude value of the variable-frequency speed regulation device in real time, respectively marking the load magnitude value, the voltage fluctuation magnitude value and the starting torque magnitude value as fz, du and qz, performing formulated analysis on the fz, du and qz, and performing formulated analysis according to a formula
Obtaining power failure coefficients dgx, wherein h1, h2 and h3 are proportionality coefficients of a load magnitude value, a voltage fluctuation magnitude value and a starting torque magnitude value respectively, and h1, h2 and h3 are all natural numbers larger than 0;
setting a fault comparison reference threshold Y2 of the power failure coefficient, and comparing and analyzing the power failure coefficient with a preset fault comparison reference threshold Y2;
when the power failure coefficient is larger than a preset failure comparison reference threshold value Y2, a power failure severe signal is generated, when the power failure coefficient is equal to a preset failure comparison reference threshold value Y2, a power failure moderate signal is generated, and when the power failure coefficient is smaller than a preset failure comparison reference threshold value Y2, a power failure mild signal is generated.
5. The frequency conversion speed regulating device operation control system based on data analysis according to claim 1, characterized in that the specific operation steps of data integration analysis processing are as follows:
establishing a set A according to the interference judgment type signal, calibrating a light interference signal as an element 1, calibrating a medium interference signal as an element 2, and calibrating a heavy interference signal as an element 3, wherein the element 1 belongs to the set A, the element 2 belongs to the set A, and the element 3 belongs to the set A;
establishing a set B according to the environment judgment type signal, calibrating the installation environment superior signal into an element 4, calibrating the installation environment intermediate signal into an element 5, calibrating the installation environment secondary signal into an element 6, wherein the element 4 belongs to the set B, the element 5 belongs to the set B, and the element 6 belongs to the set B;
establishing a set C according to the power failure judgment type signal, calibrating a power failure light signal as an element 7, calibrating a power failure medium signal as an element 8, calibrating a power failure heavy signal as an element 9, wherein the element 7 belongs to the set C, the element 8 belongs to the set C, and the element 9 belongs to the set C;
and performing union analysis on the set A, B and C, wherein if A ≡ B ≡ C = {1, 4, 7}, a running comprehensive judgment primary signal is generated, if A ≡ B = {3, 6, 9}, a running comprehensive judgment secondary signal is generated, and otherwise, running comprehensive judgment secondary signals are generated.
6. The variable-frequency speed regulation device operation control system based on data analysis of claim 1, wherein the specific operation steps of the early warning analysis processing are as follows:
when receiving a running comprehensive judgment premium grade signal, sending the running comprehensive judgment premium grade signal to a display terminal in a text word mode of a stable overall running state of the variable-frequency speed regulating device without any control operation for displaying and explaining;
when receiving an operation comprehensive judgment intermediate signal, sending the signal to a display terminal for displaying explanation in a text typeway that the integral operation of the variable-frequency speed regulation device is in a normal stable state and continuous monitoring control operation needs to be kept;
when the secondary signal for comprehensive judgment of operation is received, the secondary signal is sent to a display terminal in a text word mode of 'unstable integral operation of the variable-frequency speed regulation device, and urgent need to carry out comprehensive maintenance control operation' to display and explain.
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