CN114812651A - Intelligent monitoring and early warning system for operation safety of instrument and meter based on sensor technology - Google Patents
Intelligent monitoring and early warning system for operation safety of instrument and meter based on sensor technology Download PDFInfo
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Abstract
The invention relates to the field of monitoring of the operation safety of instruments and meters, and particularly discloses an intelligent monitoring and early warning system for the operation safety of instruments and meters based on a sensor technology, which analyzes the response error coefficient and the control precision influence coefficient of each pneumatic adjusting instrument in the control process of the industrial instrument by acquiring the adjusting time and the position of a positioner of each pneumatic adjusting instrument in the control process of the industrial instrument, detects and analyzes the flow blocking coefficient of each pneumatic adjusting instrument in the control process of the industrial instrument, simultaneously monitors the operation parameters of each pneumatic adjusting instrument in the control process of the industrial instrument, analyzes the operation condition influence coefficient of each pneumatic adjusting instrument in the control process of the industrial instrument, calculates the comprehensive operation safety influence coefficient of each pneumatic adjusting instrument in the control process of the industrial instrument, contrasts and screens each pneumatic adjusting instrument with danger in operation, and carries out early warning display on the position number of the corresponding pneumatic adjusting instrument, thereby reducing the incidence of safety accidents in the operation of the industrial automation instrument.
Description
Technical Field
The invention relates to the field of monitoring of the running safety of instruments and meters, in particular to an intelligent monitoring and early warning system for the running safety of instruments and meters based on a sensor technology.
Background
The pneumatic adjusting instrument is an executing element in the control process of the industrial automatic instrument, is a very important link in an automatic adjusting system, is widely applied in the industrial field, and the quality of the operation safety performance of the pneumatic adjusting instrument directly relates to the economic operation index of an enterprise.
At present, the prior pneumatic adjusting instrument operation safety monitoring system still has the following defects: 1. most of the existing pneumatic adjusting instrument operation safety monitoring modes adopt conventional detection and periodic maintenance modes to carry out preventive maintenance, and corrective maintenance is carried out after obvious faults are found, but the phenomena of mistaken maintenance, missed maintenance and over-maintenance exist due to the fact that the adjusting parameter data of the pneumatic adjusting instrument are rarely known, so that great potential safety hazards are caused to the operation of industrial automation instruments.
2. The existing operation safety monitoring mode of the pneumatic adjusting instrument mainly adopts personnel monitoring, but the operation safety problem of the pneumatic adjusting instrument cannot be analyzed accurately in time, so that serious misoperation of the pneumatic adjusting instrument is caused due to untimely operation safety treatment, the control of an industrial automatic instrument fails, and further serious instrument operation safety accidents and enterprise economic and property losses are caused.
In order to solve the problems, an intelligent monitoring and early warning system for the running safety of instruments and meters based on a sensor technology is designed.
Disclosure of Invention
The invention mainly aims to provide a community friend-making matching method, a community friend-making matching system and a computer storage medium, which solve the problems in the background art.
In order to achieve the purpose, the invention provides an intelligent monitoring and early warning system for the running safety of instruments and meters based on a sensor technology, which comprises an instrument position numbering module, an instrument adjusting data acquisition module, an instrument adjusting data analysis module, a flow blocking coefficient analysis module, an instrument running parameter monitoring module, an instrument running parameter analysis module, a storage database, a running safety analysis processing module and an early warning display terminal.
The instrument adjustment data acquisition module is used for acquiring adjustment data of each pneumatic adjustment instrument in the industrial instrument control process, and the specific acquisition mode is as follows: s11, recording the adjusting time of each pneumatic adjusting instrument in the industrial instrument control process, and marking the adjusting time of each pneumatic adjusting instrument as ta i Wherein i is 1, 2.
S12, acquiring the time of the information sent by the control center in the industrial instrument control process, and marking the time of the information sent by the control center as t' 0 。
And S13, acquiring the positioner position and the positioner initial position of each pneumatic adjusting instrument in the industrial instrument control process.
The instrument adjustment data analysis module is used for analyzing the adjustment data of each pneumatic adjustment instrument in the control process of the industrial instrument, and the specific analysis mode is as follows: and S21, extracting the standard response time of the signals sent to each pneumatic adjusting instrument by the industrial control center stored in the storage database, and analyzing the response error coefficients of each pneumatic adjusting instrument in the control process of the industrial instrument.
S22, comparing the position of the positioner of each pneumatic adjusting instrument in the industrial instrument control process with the initial position of the positioner to obtain the positioner displacement of each pneumatic adjusting instrument in the industrial instrument control process, and marking the positioner displacement of each pneumatic adjusting instrument as La i 。
And S23, extracting the preset displacement of the positioner of each pneumatic adjusting instrument controlled by the industrial control center stored in the storage database, and analyzing the control precision influence coefficient of each pneumatic adjusting instrument in the control process of the industrial instrument.
The flow blockage coefficient analysis module is used for analyzing the flow blockage coefficients of all pneumatic adjusting instruments in the control process of industrial instruments, and comprises the following specific analysis steps: s31, monitoring the air inlet pressure and the air outlet pressure of the air source pipe of each pneumatic adjusting instrument in the control process of the industrial instrument.
S32, comparing to obtain the air source pipe pressure difference of each pneumatic adjusting instrument in the industrial instrument control process, and marking the air source pipe pressure difference of each pneumatic adjusting instrument as delta Pa i 。
S33, monitoring the fluid flow at each pneumatic adjusting instrument in the control process of the industrial instrument, and marking the fluid flow at each pneumatic adjusting instrument as Qa i 。
And S34, analyzing the flow blockage coefficient of each pneumatic adjusting instrument in the control process of the industrial instrument.
The instrument operation parameter monitoring module is used for monitoring the operation parameters of each pneumatic adjusting instrument in the control process of the industrial instrument, and comprises the following specific steps: s41, monitoring the operation vibration frequency of each pneumatic adjusting instrument in the control process of the industrial instrument, and marking the operation vibration frequency of each pneumatic adjusting instrument as fa i 。
S42, monitoring the operation thrust of each pneumatic adjusting instrument in the control process of the industrial instrument, andmarking the running thrust of each pneumatic adjusting instrument as F' a i 。
S43, monitoring the operation noise of each pneumatic adjusting instrument in the control process of the industrial instrument, and marking the operation noise of each pneumatic adjusting instrument as wa i 。
The instrument operation parameter analysis module is used for analyzing the operation condition influence coefficient of each pneumatic adjusting instrument in the industrial instrument control process.
As a further improvement of the invention, the instrument position numbering module is used for counting each pneumatic adjusting instrument in the industrial instrument control process, numbering the installation positions of each pneumatic adjusting instrument in sequence according to a set sequence, and marking the position number of each pneumatic adjusting instrument in the industrial instrument control process as a i Wherein i is 1, 2.
As a further improvement of the present invention, the instrument adjustment data analysis module is used for analyzing response error coefficients of each pneumatic adjustment instrument in the industrial instrument control process, and includes:
adjusting time ta of each pneumatic adjusting instrument in industrial instrument control process i Time t 'for sending information by control center' 0 Substituting into formula
Obtaining the response error coefficient xi t of each pneumatic adjusting instrument in the control process of the industrial instrument i Wherein λ is i Correction factor, T, expressed as response error of pneumatic regulating instrument Response to a i Expressed as the standard response time of the industrial control center signaling the ith pneumatic adjustment instrument.
As a further improvement of the invention, the instrument adjustment data analysis module is provided with a control precision influence coefficient analysis formula of each pneumatic adjustment instrument in the industrial instrument control process
ψL i Expressed as the control accuracy influence coefficient, lambda, of the ith pneumatic control instrument in the control process of the industrial instrument L Is shown asCorrection factor of control accuracy of pneumatic regulating instrument, La i Denoted as positioner displacement, L 'of the ith pneumatic regulator instrument in the industrial instrument control process' Is provided with a i And the preset displacement of the positioner for controlling the ith pneumatic adjusting instrument by the industrial control center is shown.
As a further improvement of the present invention, the flow blocking coefficient analysis module includes a first air pressure detection unit and a second air pressure detection unit, the first air pressure detection unit is a first air pressure sensor and is configured to monitor air inlet pressures of air source pipes of the pneumatic adjusting instruments in a control process of the industrial instrument, and mark the air inlet pressure of the air source pipe of each pneumatic adjusting instrument as P Into a i (ii) a The second air pressure detection unit is a second air pressure sensor and is used for monitoring the air outlet pressure of the air source pipe of each pneumatic adjusting instrument in the control process of the industrial instrument and marking the air outlet pressure of the air source pipe of each pneumatic adjusting instrument with a P mark Go out a i 。
As a further improvement of the invention, the flow blockage coefficient analysis formula of each pneumatic regulating instrument in the industrial instrument control process in the flow blockage coefficient analysis module is
k i Expressed as the flow blockage factor, Qa, of the ith pneumatic control instrument in the industrial instrument control process i Expressed as the fluid flow at the ith pneumatic regulator, Δ Pa, during control of the industrial instrument i Expressed as the air supply line pressure difference, ρ, of the ith pneumatic regulator during control of the industrial instrument Sign board Expressed as the standard density of the fluid.
As a further improvement of the present invention, the instrument operation parameter monitoring module includes a vibration frequency monitoring unit, a thrust monitoring unit and a noise monitoring unit, the vibration frequency monitoring unit is a vibration sensor and is used for monitoring the operation vibration frequency of each pneumatic adjusting instrument in the control process of the industrial instrument, the thrust monitoring unit is a thrust sensor and is used for monitoring the operation thrust of each pneumatic adjusting instrument in the control process of the industrial instrument, and the noise monitoring unit is a noise sensor and is used for monitoring the operation noise of each pneumatic adjusting instrument in the control process of the industrial instrument.
As a further improvement of the present invention, the analysis mode of the operation condition influence coefficients of each pneumatic adjustment instrument in the industrial instrument control process in the instrument operation parameter analysis module is as follows: operating vibration frequency fa of each pneumatic regulating instrument in industrial instrument control process i Running thrust F' a i Running noise wa i Substitution formula
Obtaining the operating condition influence coefficient theta of each pneumatic regulating instrument in the control process of the industrial instrument i Wherein γ is f 、γ F 、γ w Respectively expressed as the corresponding influence proportionality coefficients f 'of the running vibration frequency, the running thrust and the running noise of the pneumatic adjusting instrument' Sign board 、F′ Sign board 、W Sign board Respectively expressed as standard operation vibration frequency, standard operation thrust and standard operation noise when the pneumatic adjusting instrument works normally.
As a further improvement of the present invention, the operation safety analysis processing module is configured to calculate a comprehensive operation safety influence coefficient of each pneumatic adjustment instrument in the industrial instrument control process, compare the comprehensive operation safety influence coefficient of each pneumatic adjustment instrument in the industrial instrument control process with a set operation safety influence coefficient, screen each pneumatic adjustment instrument that runs dangerously in the industrial instrument control process, and perform early warning display on the numbers of the corresponding positions of each pneumatic adjustment instrument that runs dangerously through the early warning display terminal.
As a further improvement of the invention, the comprehensive operation safety influence coefficient calculation formula of each pneumatic regulating instrument in the industrial instrument control process in the operation safety analysis processing module is phi Heald i＝μ 1 *ξt i +μ 2 *ψL i +μ 3 *k i +μ 4 *θ i ，Φ Heald i is the comprehensive operation safety influence coefficient mu of the ith pneumatic regulating instrument in the control process of the industrial instrument 1 、μ 2 、μ 3 、μ 4 Respectively expressed as the safety compensation factor for the operation of the pneumatically controlled instrument, where 1 +μ 2 +μ 3 +μ 4 ＝1，ξt i 、ψL i 、k i 、θ i Respectively expressed as a response error coefficient, a control precision influence coefficient, a flow blockage coefficient and an operation condition influence coefficient of the ith pneumatic adjusting instrument in the control process of the industrial instrument.
The invention has the beneficial effects that: 1. the invention provides an intelligent monitoring and early warning system for the running safety of instruments and meters based on sensor technology, which can analyze the response error coefficient and the control precision influence coefficient of each pneumatic regulating instrument in the control process of industrial instruments by acquiring the regulating time and the position of a positioner of each pneumatic regulating instrument in the control process of industrial instruments, thereby fully knowing the regulating parameter data of the pneumatic regulating instruments, avoiding the problem of running safety hidden trouble of industrial automation instruments, detecting and analyzing the flow blocking coefficient of each pneumatic regulating instrument in the control process of industrial instruments, providing reliable reference data for the later analysis of the running safety of each pneumatic regulating instrument, simultaneously monitoring the running parameters of each pneumatic regulating instrument in the control process of industrial instruments, analyzing the running condition influence coefficient of each pneumatic regulating instrument in the control process of industrial instruments, and further accurately analyzing the running safety condition of the pneumatic regulating instruments in time, the occurrence rate of the operation safety accidents of the industrial automation instrument is reduced, and guiding reference data are provided for calculating the comprehensive operation safety influence coefficient of each pneumatic adjusting instrument in the later period.
2. According to the invention, the comprehensive operation safety influence coefficient of each pneumatic adjusting instrument in the control process of the industrial instrument is calculated, each pneumatic adjusting instrument which runs dangerously in the control process of the industrial instrument is contrasted and screened, and the corresponding position number of each pneumatic adjusting instrument which runs dangerously is subjected to early warning display, so that the position of the pneumatic adjusting instrument which runs dangerously is visually displayed, the phenomena of mistaken repair, missed repair and over repair of workers are avoided, the initiation rate of the mistaken action of the pneumatic adjusting instrument is further reduced, the industrial automatic instrument can be effectively controlled, and the economic and property safety of enterprises is further ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of the module connection of the present invention.
Fig. 2 is a schematic diagram of a flow blocking coefficient analysis module according to the present invention.
FIG. 3 is a schematic diagram of an instrument operating parameter monitoring module according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.
Referring to fig. 1, the present invention provides an intelligent monitoring and early warning system for the operational safety of instruments and meters based on sensor technology, which includes an instrument position numbering module, an instrument adjustment data acquisition module, an instrument adjustment data analysis module, a flow blocking coefficient analysis module, an instrument operational parameter monitoring module, an instrument operational parameter analysis module, a storage database, an operational safety analysis processing module and an early warning display terminal.
The instrument position numbering module is connected with the instrument adjusting data acquisition module, the instrument adjusting data analysis module is respectively connected with the instrument adjusting data acquisition module, the storage database and the operation safety analysis processing module, the instrument operation parameter analysis module is respectively connected with the instrument operation parameter monitoring module, the storage database and the operation safety analysis processing module, and the operation safety analysis processing module is respectively connected with the flow blocking coefficient analysis module, the storage database and the display terminal.
The instrument position numbering module is used for counting each pneumatic adjusting instrument in the industrial instrument control process, numbering the installation positions of each pneumatic adjusting instrument in sequence according to a set sequence, and marking the position number of each pneumatic adjusting instrument in the industrial instrument control process as a i Wherein i is 1, 2.
The instrument adjustment data acquisition module is used for acquiring adjustment data of each pneumatic adjustment instrument in the industrial instrument control process, and the specific acquisition mode is as follows: s11, recording the adjusting time of each pneumatic adjusting instrument in the industrial instrument control process, and marking the adjusting time of each pneumatic adjusting instrument as ta i Wherein i is 1, 2.
S12, acquiring the time of the information sent by the control center in the industrial instrument control process, and marking the time of the information sent by the control center as t' 0 。
And S13, acquiring the positioner position and the positioner initial position of each pneumatic adjusting instrument in the industrial instrument control process.
The instrument adjustment data analysis module is used for analyzing the adjustment data of each pneumatic adjustment instrument in the control process of the industrial instrument, and the specific analysis mode is as follows: and S21, extracting the standard response time of the signals sent to each pneumatic adjusting instrument by the industrial control center stored in the storage database, and analyzing the response error coefficients of each pneumatic adjusting instrument in the control process of the industrial instrument.
S22, comparing the position of the positioner of each pneumatic adjusting instrument in the industrial instrument control process with the initial position of the positioner to obtain the displacement of the positioner of each pneumatic adjusting instrument in the industrial instrument control process, and marking the displacement of the positioner of each pneumatic adjusting instrument as La i 。
And S23, extracting the preset displacement of the positioner of each pneumatic adjusting instrument controlled by the industrial control center stored in the storage database, and analyzing the control precision influence coefficient of each pneumatic adjusting instrument in the control process of the industrial instrument.
Further, the instrument adjustment data analysis module is used for analyzing industryThe response error coefficient of each pneumatic adjusting instrument in the instrument control process comprises the following steps: adjusting time ta of each pneumatic adjusting instrument in industrial instrument control process i Time t 'for sending information by control center' 0 Substitution formula
Obtaining the response error coefficient xi t of each pneumatic adjusting instrument in the control process of the industrial instrument i Wherein λ is i Correction factor, T, expressed as response error of the pneumatic adjustment instrument Response to a i Expressed as the standard response time of the industrial control center signaling the ith pneumatic adjustment instrument.
Furthermore, the control precision influence coefficient analysis formula of each pneumatic adjusting instrument in the industrial instrument control process in the instrument adjusting data analysis module
ψL i Expressed as the control accuracy influence coefficient, lambda, of the ith pneumatic control instrument in the control process of the industrial instrument L Correction factor, La, expressed as the control accuracy of the pneumatic control instrument i Is expressed as the positioner displacement, L 'of the ith pneumatic adjusting instrument in the industrial instrument control process' Is provided with a i And the preset displacement of the positioner for controlling the ith pneumatic adjusting instrument by the industrial control center is shown.
Specifically, the invention analyzes the response error coefficient and the control precision influence coefficient of each pneumatic adjusting instrument in the control process of the industrial instrument by acquiring the adjusting time and the positioner position of each pneumatic adjusting instrument in the control process of the industrial instrument, thereby fully knowing the adjusting parameter data of the pneumatic adjusting instrument and avoiding the problem of potential safety hazard of the operation of the industrial automation instrument.
The flow blockage coefficient analysis module is used for analyzing the flow blockage coefficients of all pneumatic adjusting instruments in the control process of industrial instruments, and comprises the following specific analysis steps: s31, monitoring the air inlet pressure and the air outlet pressure of the air source pipe of each pneumatic adjusting instrument in the control process of the industrial instrument.
S32, comparing to obtain the air source pipe pressure difference of each pneumatic adjusting instrument in the industrial instrument control process, and marking the air source pipe pressure difference of each pneumatic adjusting instrument as delta Pa i 。
S33, monitoring the fluid flow at each pneumatic adjusting instrument in the control process of the industrial instrument, and marking the fluid flow at each pneumatic adjusting instrument as Qa i 。
And S34, analyzing the flow blockage coefficient of each pneumatic adjusting instrument in the control process of the industrial instrument.
Furthermore, the flow blockage coefficient analysis module comprises a first air pressure detection unit and a second air pressure detection unit, wherein the first air pressure detection unit is a first air pressure sensor and is used for monitoring the air inlet pressure of the air source pipe of each pneumatic adjusting instrument in the control process of the industrial instrument and marking the air inlet pressure of the air source pipe of each pneumatic adjusting instrument as P Into a i (ii) a The second air pressure detection unit is a second air pressure sensor and is used for monitoring the air outlet pressure of the air source pipe of each pneumatic adjusting instrument in the control process of the industrial instrument and marking the air outlet pressure of the air source pipe of each pneumatic adjusting instrument with a mark P Go out a i 。
Further, the flow blockage coefficient analysis formula of each pneumatic adjusting instrument in the industrial instrument control process in the flow blockage coefficient analysis module is
k i Expressed as the flow blockage factor, Qa, of the ith pneumatic control instrument in the industrial instrument control process i Expressed as the fluid flow at the ith pneumatic regulator, Δ Pa, during control of the industrial instrument i Expressed as the air supply line pressure difference, ρ, of the ith pneumatic regulator during control of the industrial instrument Sign board Expressed as the standard density of the fluid.
Specifically, the invention provides reliable reference data for analyzing the operation safety of each pneumatic adjusting instrument in the later period by detecting and analyzing the flow blockage coefficient of each pneumatic adjusting instrument in the control process of the industrial instrument.
The instrument operation parameter monitoring module is used for monitoringThe method for measuring the operation parameters of each pneumatic adjusting instrument in the control process of the industrial instrument comprises the following specific steps: s41, monitoring the operation vibration frequency of each pneumatic adjusting instrument in the control process of the industrial instrument, and marking the operation vibration frequency of each pneumatic adjusting instrument as fa i 。
S42, monitoring the operation thrust of each pneumatic adjusting instrument in the control process of the industrial instrument, and marking the operation thrust of each pneumatic adjusting instrument as F' a i 。
S43, monitoring the operation noise of each pneumatic adjusting instrument in the control process of the industrial instrument, and marking the operation noise of each pneumatic adjusting instrument as wa i 。
Further, instrument operating parameter monitoring module includes vibration frequency monitoring unit, thrust monitoring unit and noise monitoring unit, vibration frequency monitoring unit is the vibration sensor for the operation vibration frequency of each pneumatic control instrument in the monitoring industry instrument control process, thrust monitoring unit is the thrust sensor for the operation thrust of each pneumatic control instrument in the monitoring industry instrument control process, noise monitoring unit is the noise sensor for the operation noise of each pneumatic control instrument in the monitoring industry instrument control process.
The instrument operation parameter analysis module is used for analyzing the operation condition influence coefficient of each pneumatic adjusting instrument in the industrial instrument control process.
Further, the analysis mode of the operation condition influence coefficient of each pneumatic adjusting instrument in the industrial instrument control process in the instrument operation parameter analysis module is as follows: operating vibration frequency fa of each pneumatic regulating instrument in industrial instrument control process i Running thrust F' a i Running noise wa i Substitution formula
Obtaining the influence coefficient theta of the operation condition of each pneumatic regulating instrument in the control process of the industrial instrument i Wherein γ is f 、γ F 、γ w Respectively expressed as the corresponding influences of the running vibration frequency, the running thrust and the running noise of the pneumatic adjusting instrumentCoefficient of proportionality, f' Sign board 、F′ Sign 、W Sign board Respectively expressed as standard operation vibration frequency, standard operation thrust and standard operation noise when the pneumatic adjusting instrument works normally.
Specifically, the operation parameters of each pneumatic adjusting instrument in the control process of the industrial instrument are monitored, and the operation condition influence coefficient of each pneumatic adjusting instrument in the control process of the industrial instrument is analyzed, so that the operation safety condition of the pneumatic adjusting instrument can be accurately analyzed in time, the occurrence rate of operation safety accidents of the industrial automation instrument is reduced, and guiding reference data are provided for calculating the comprehensive operation safety influence coefficient of each pneumatic adjusting instrument in the later period.
The operation safety analysis processing module is used for calculating the comprehensive operation safety influence coefficient of each pneumatic adjusting instrument in the industrial instrument control process, comparing the comprehensive operation safety influence coefficient of each pneumatic adjusting instrument in the industrial instrument control process with the set operation safety influence coefficient, screening each dangerous pneumatic adjusting instrument in the industrial instrument control process, and performing early warning display on the corresponding position number of each dangerous pneumatic adjusting instrument in the operation through the early warning display terminal.
Further, the calculation formula of the comprehensive operation safety influence coefficient of each pneumatic regulating instrument in the industrial instrument control process in the operation safety analysis processing module is phi Heald i＝μ 1 *ξt i +μ 2 *ψL i +μ 3 *k i +μ 4 *θ i ，Φ Heald i is the comprehensive operation safety influence coefficient mu of the ith pneumatic regulating instrument in the control process of the industrial instrument 1 、μ 2 、μ 3 、μ 4 Respectively expressed as the safety compensation factor for the operation of the pneumatically controlled instrument, where 1 +μ 2 +μ 3 +μ 4 ＝1，ξt i 、ψL i 、k i 、θ i Respectively expressed as a response error coefficient, a control precision influence coefficient, a flow blockage coefficient and an operation condition influence coefficient of the ith pneumatic adjusting instrument in the control process of the industrial instrument.
Specifically, the positions of the dangerous pneumatic adjusting instruments in operation are visually displayed by comparing and screening the dangerous pneumatic adjusting instruments in the control process of the industrial instruments and carrying out early warning display on the position numbers of the corresponding pneumatic adjusting instruments, so that the phenomena of mistaken repair, missed repair and overhauled repair of workers are avoided, the incidence of the mistaken actions of the pneumatic adjusting instruments is reduced, the industrial automatic instruments can be effectively controlled, and the economic and property safety of enterprises is further guaranteed.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.
Claims (10)
1. The utility model provides an instrument and meter operation safety intelligent monitoring early warning system based on sensor technology which characterized in that: the system comprises an instrument position numbering module, an instrument adjusting data acquisition module, an instrument adjusting data analysis module, a flow blocking coefficient analysis module, an instrument operating parameter monitoring module, an instrument operating parameter analysis module, a storage database, an operating safety analysis processing module and an early warning display terminal;
the instrument adjustment data acquisition module is used for acquiring adjustment data of each pneumatic adjustment instrument in the industrial instrument control process, and the specific acquisition mode is as follows:
s11, recording the adjusting time of each pneumatic adjusting instrument in the industrial instrument control process, and marking the adjusting time of each pneumatic adjusting instrument as ta i Wherein i is 1, 2.. times.n;
s12, acquiring the time of the information sent by the control center in the industrial instrument control process, and marking the time of the information sent by the control center as t' 0 ；
S13, acquiring the positioner position and the positioner initial position of each pneumatic adjusting instrument in the industrial instrument control process;
the instrument adjustment data analysis module is used for analyzing the adjustment data of each pneumatic adjustment instrument in the industrial instrument control process, and the specific analysis mode is as follows:
s21, extracting standard response time of signals sent by the industrial control center stored in the storage database to each pneumatic adjusting instrument, and analyzing response error coefficients of each pneumatic adjusting instrument in the control process of the industrial instrument;
s22, comparing the position of the positioner of each pneumatic adjusting instrument in the industrial instrument control process with the initial position of the positioner to obtain the displacement of the positioner of each pneumatic adjusting instrument in the industrial instrument control process, and marking the displacement of the positioner of each pneumatic adjusting instrument as La i ；
S23, extracting preset displacements of the positioners of the pneumatic adjusting instruments controlled by the industrial control center stored in the storage database, and analyzing control precision influence coefficients of the pneumatic adjusting instruments in the control process of the industrial instruments;
the flow blockage coefficient analysis module is used for analyzing the flow blockage coefficients of all pneumatic adjusting instruments in the control process of industrial instruments, and comprises the following specific analysis steps:
s31, monitoring the air inlet pressure and the air outlet pressure of the air source pipe of each pneumatic adjusting instrument in the control process of the industrial instrument;
s32, comparing to obtain the air source pipe pressure difference of each pneumatic adjusting instrument in the industrial instrument control process, and marking the air source pipe pressure difference of each pneumatic adjusting instrument as delta Pa i ；
S33, monitoring the fluid flow at each pneumatic adjusting instrument in the control process of the industrial instrument, and marking the fluid flow at each pneumatic adjusting instrument as Qa i ；
S34, analyzing the flow blockage coefficient of each pneumatic adjusting instrument in the control process of the industrial instrument;
the instrument operation parameter monitoring module is used for monitoring the operation parameters of each pneumatic adjusting instrument in the control process of the industrial instrument, and comprises the following specific steps:
s41, monitoring the operation vibration frequency of each pneumatic adjusting instrument in the industrial instrument control process, and marking the operation vibration frequency of each pneumatic adjusting instrument as fa i ；
S42, monitoring the operation thrust of each pneumatic adjusting instrument in the control process of the industrial instrument, and marking the operation thrust of each pneumatic adjusting instrument as F' a i ；
S43, monitoring the operation noise of each pneumatic adjusting instrument in the control process of the industrial instrument, and marking the operation noise of each pneumatic adjusting instrument as wa i ；
The instrument operation parameter analysis module is used for analyzing the operation condition influence coefficient of each pneumatic adjusting instrument in the industrial instrument control process.
2. The intelligent monitoring and early warning system for the running safety of instruments and meters based on the sensor technology as claimed in claim 1, wherein: the instrument position numbering module is used for counting each pneumatic adjusting instrument in the industrial instrument control process, numbering the installation positions of each pneumatic adjusting instrument in sequence according to a set sequence, and marking the position number of each pneumatic adjusting instrument in the industrial instrument control process as a i Wherein i is 1, 2.
3. The intelligent monitoring and early warning system for the running safety of instruments and meters based on the sensor technology as claimed in claim 1, wherein: the instrument adjustment data analysis module is used for analyzing response error coefficients of each pneumatic adjustment instrument in the control process of the industrial instrument, and comprises the following steps:
adjusting time ta of each pneumatic adjusting instrument in industrial instrument control process i Time t 'for sending information by control center' 0 Substitution formula
Obtaining the response error coefficient xi t of each pneumatic adjusting instrument in the control process of the industrial instrument i Wherein λ is i Correction factor, T, expressed as response error of the pneumatic adjustment instrument Response to a i Expressed as the standard response time of the industrial control center signaling the ith pneumatic adjustment instrument.
4. The intelligent monitoring and early warning system for the running safety of instruments and meters based on the sensor technology as claimed in claim 1, wherein: control precision influence coefficient analysis formula of each pneumatic adjusting instrument in industrial instrument control process in instrument adjusting data analysis module
ψL i Expressed as the control accuracy influence coefficient, lambda, of the ith pneumatic control instrument in the control process of the industrial instrument L Correction factor, La, expressed as the control accuracy of the pneumatic control instrument i Is expressed as the positioner displacement, L 'of the ith pneumatic adjusting instrument in the industrial instrument control process' Is provided with a i And the preset displacement of the positioner for controlling the ith pneumatic adjusting instrument by the industrial control center is shown.
5. The intelligent monitoring and early warning system for the running safety of instruments and meters based on the sensor technology as claimed in claim 1, wherein: the flow blockage coefficient analysis module comprises a first air pressure detection unit and a second air pressure detection unit, wherein the first air pressure detection unit is a first air pressure sensor and is used for monitoring the air inlet pressure of an air source pipe of each pneumatic adjusting instrument in the control process of the industrial instrument and marking the air inlet pressure of the air source pipe of each pneumatic adjusting instrument as P Into a i (ii) a The second air pressure detection unit is a second air pressure sensor and is used for monitoring the air outlet pressure of the air source pipe of each pneumatic adjusting instrument in the control process of the industrial instrument and marking the air outlet pressure of the air source pipe of each pneumatic adjusting instrument with a P mark Go out a i 。
6. The intelligent monitoring and early warning system for the running safety of instruments and meters based on the sensor technology as claimed in claim 1, wherein: the flow blockage coefficient analysis formula of each pneumatic adjusting instrument in the industrial instrument control process in the flow blockage coefficient analysis module is
k i Expressed as the flow blockage factor, Qa, of the ith pneumatic control instrument in the industrial instrument control process i Expressed as the fluid flow at the ith pneumatic regulator, Δ Pa, during control of the industrial instrument i Expressed as the air supply line pressure difference, ρ, of the ith pneumatic regulator during control of the industrial instrument Sign board Expressed as the standard density of the fluid.
7. The intelligent monitoring and early warning system for the running safety of instruments and meters based on the sensor technology as claimed in claim 1, wherein: the instrument operation parameter monitoring module includes vibration frequency monitoring unit, thrust monitoring unit and noise monitoring unit, the vibration frequency monitoring unit is the vibration sensor for the operation vibration frequency of each pneumatic control instrument among the monitoring industry instrument control process, the thrust monitoring unit is the thrust sensor for the operation thrust of each pneumatic control instrument among the monitoring industry instrument control process, the noise monitoring unit is the noise sensor for the operation noise of each pneumatic control instrument among the monitoring industry instrument control process.
8. The intelligent monitoring and early warning system for the running safety of instruments and meters based on the sensor technology as claimed in claim 1, wherein: the analysis mode of the operation condition influence coefficient of each pneumatic adjusting instrument in the industrial instrument control process in the instrument operation parameter analysis module is as follows:
operating vibration frequency fa of each pneumatic regulating instrument in industrial instrument control process i Running thrust F' a i Running noise wa i Substitution formula
Obtaining the operation condition influence coefficient theta of each pneumatic regulating instrument in the control process of the industrial instrument i Wherein γ is f 、γ F 、γ w Respectively expressed as pneumatically regulating the operation of the instrumentInfluence proportional coefficient F 'corresponding to vibration frequency, running thrust and running noise' Sign 、F′ Sign board 、W Sign board Respectively expressed as standard operation vibration frequency, standard operation thrust and standard operation noise when the pneumatic adjusting instrument works normally.
9. The intelligent monitoring and early warning system for the running safety of instruments and meters based on the sensor technology as claimed in claim 1, wherein: the operation safety analysis processing module is used for calculating the comprehensive operation safety influence coefficient of each pneumatic adjusting instrument in the industrial instrument control process, comparing the comprehensive operation safety influence coefficient of each pneumatic adjusting instrument in the industrial instrument control process with the set operation safety influence coefficient, screening each dangerous pneumatic adjusting instrument in the industrial instrument control process, and performing early warning display on the corresponding position number of each dangerous pneumatic adjusting instrument in the operation through the early warning display terminal.
10. The intelligent monitoring and early warning system for the running safety of instruments and meters based on the sensor technology as claimed in claim 1, wherein: the calculation formula of the comprehensive operation safety influence coefficient of each pneumatic regulating instrument in the industrial instrument control process in the operation safety analysis processing module is phi Heald i＝μ 1 *ξt i +μ 2 *ψL i +μ 3 *k i +μ 4 *θ i ，Φ Heald i is the comprehensive operation safety influence coefficient mu of the ith pneumatic regulating instrument in the control process of the industrial instrument 1 、μ 2 、μ 3 、μ 4 Respectively expressed as the safety compensation factor for the operation of the pneumatically controlled instrument, where 1 +μ 2 +μ 3 +μ 4 ＝1，ξt i 、ψL i 、k i 、θ i Respectively expressed as a response error coefficient, a control precision influence coefficient, a flow blockage coefficient and an operation condition influence coefficient of the ith pneumatic regulating instrument in the control process of the industrial instrument.
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