Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a mining explosion-proof and intrinsic safety type permanent magnet synchronous variable-frequency speed-regulating electric roller regulating system, which solves the problems in the prior art.
The invention provides the following technical scheme: an electric roller adjusting system for mining flameproof and intrinsically safe permanent magnet synchronous variable frequency speed regulation, comprising:
and a data acquisition module: the system is used for acquiring the operation data of the motorized pulley in real time and mainly comprises an adjustment control acquisition unit and an operation monitoring acquisition unit, and transmitting the operation data of the motorized pulley acquired in real time to a controller module;
And a controller module: the motor speed regulation system is used for realizing the control and regulation functions of the whole system, setting an optimal control strategy through real-time monitoring of the operation data of the electric roller, and outputting a control signal to a motor driver to realize the speed regulation and control of the motor;
And a speed regulation performance analysis module: analyzing the speed regulation performance through the regulation control acquisition unit, obtaining a speed regulation fluctuation monitoring index through analysis of data acquired by the regulation control acquisition unit, monitoring the characteristic change condition of the speed regulation performance of the motorized pulley, and transmitting the speed regulation performance analysis result to the deviation detection module;
Dynamic response analysis module: analyzing the running dynamic response through the running monitoring acquisition unit, obtaining a running dynamic fluctuation monitoring index through analyzing the data acquired by the running monitoring acquisition unit, monitoring the running dynamic response state change condition of the motorized pulley, and transmitting the running dynamic response analysis result to the deviation detection module;
and a temperature monitoring module: the temperature influence coefficient is calculated by monitoring the temperature change process when the motorized pulley operates, the temperature influence coefficient is calculated, the temperature change is monitored to influence the operation adjustment of the motorized pulley, and the temperature influence coefficient is transmitted to the deviation detection module;
And a deviation detection module: calculating a control deviation coefficient through a speed regulation fluctuation monitoring index, an operation dynamic fluctuation monitoring index and a temperature influence coefficient, so as to detect whether the electric roller has an operation deviation state or not, and transmitting a detection result to a control signal output module;
the control signal output module: and automatically generating an adjusting signal based on the detection result of the deviation detection module and outputting the adjusting signal to the controller module.
Preferably, the data acquisition module is mainly used for carrying out real-time acquisition, monitoring and recording on speed regulation target data when the motorized pulley operates through the adjustment control acquisition unit, and carrying out real-time monitoring, acquisition and recording on operation state target data when the motorized pulley operates through the operation monitoring acquisition unit;
The adjusting control acquisition unit directly acquires speed regulation target data of the electric roller during operation from an external sensor by using the built-in function of the frequency converter;
The operation monitoring and collecting unit obtains operation state target data of the motorized pulley during operation through a sensor arranged on the motorized pulley.
Preferably, the controller module analyzes the speed regulation target data and the running state target data through a control algorithm, and formulates an optimal control strategy to realize the control of the electric roller; and automatically generating a control signal according to the optimal control strategy, and immediately triggering the control signal to be transmitted to a driver when the controller module receives the control adjustment instruction transmitted by the control signal output module, so as to adjust and control and correct the running deviation state of the electric roller.
Preferably, the specific analysis step of the speed regulation fluctuation monitoring index comprises the following steps:
Step S31: calculating the rotation speed fluctuation at the time t, and collecting the actual rotation speed at the time t The calculation formula of the rotation speed fluctuation is:, The set rotating speed at the time t is shown;
step S32: calculating the fluctuation rate of the rotating speed as ,Indicating the fluctuation of the maximum rotational speed,Representing a minimum rotational speed fluctuation;
step S33: the calculation formula for analyzing the speed regulation fluctuation monitoring index based on the collected speed regulation target data is as follows: , The actual torque at the time t is indicated, The actual torque at the initial moment is indicated,The actual frequency at time t is indicated,Representing the actual frequency at the initial time.
Preferably, the calculation formula of the operation dynamic fluctuation monitoring index is as follows
N represents the total number of times the operating voltage is acquired,Representing the operating voltage of the ith acquisition,An average value of the operating voltage is indicated,Representing the proportional gain coefficient.
Preferably, the temperature monitoring module is used for evaluating the influence of temperature variation on the running regulation of the motorized pulley by determining the reference temperatureRecording the operating efficiency at the reference temperatureRotational speed ofTorque ofAnd monitoring the operating efficiency at the current temperatureRotational speed ofTorque ofThe temperature influence coefficient is calculated as:
X represents the current temperature; by calculating the temperature influence coefficient, the specific influence of the temperature change on the performance of the motorized pulley can be analyzed if The value is larger, which shows that the temperature has a significant effect on the performance of the motorized pulley and corresponding operation adjustment is needed.
Preferably, the calculation formula of the control deviation coefficient isR represents a speed regulation fluctuation monitoring index, M represents an operation dynamic fluctuation monitoring index,The temperature influence coefficient is represented by a temperature coefficient,The representation weight coefficient can be adjusted according to the specific requirements of the system; by comparing the control deviation coefficient with a set threshold value, if the control deviation coefficient C is smaller than or equal to the set threshold valueIndicating that the change of the running state of the motorized pulley is in the standard range, continuously monitoring the running state of the motorized pulley without adjusting the motorized pulley, and if the control deviation coefficient C is greater than the set threshold valueIndicating that the change of the running state of the motorized pulley deviates from the standard range, and immediately transmitting a deviation detection result of the running state of the motorized pulley to the control signal output module; the set threshold valueIs set by engineering technicians according to experience and expertise.
Preferably, the control signal output module is used for outputting a deviation detection result of the deviation detection module, and sending a control and adjustment instruction to the controller module so as to adjust the running deviation degree of the motorized pulley.
The invention has the technical effects and advantages that:
The invention collects the running data of the electric roller in real time based on the regulation control collection unit and the running monitoring collection unit, realizes the control and regulation functions of the whole system through the controller module for the detected running state deviation degree of the electric roller, adjusts the control strategy according to the formulated corresponding running deviation degree, is favorable for realizing intelligent dynamic regulation of the running state deviation degree of the electric roller, ensures that the result of the electric roller control regulation is more accurate and convenient, analyzes the speed regulation performance through the speed regulation performance analysis module, thereby monitoring the speed regulation performance characteristic change condition of the electric roller, analyzes the running dynamic response through the dynamic response analysis module, thereby monitoring the running dynamic response state change condition of the electric roller, monitors the running regulation of the electric roller by the temperature monitoring module, calculates the control deviation coefficient through the deviation detection module, thereby detecting whether the running deviation state exists in the electric roller, automatically generates the regulating signal according to the detection result of the deviation detection module and outputs the regulating signal to the controller module, automatically analyzes and detects the running deviation degree of the running state in the running and regulating control, is favorable for carrying out real-time regulation on the running deviation state of the electric roller under specific environment, effectively solves the running deviation state of the electric roller, causes the running state of the electric roller to be influenced by the running deviation condition, and the running state of the electric roller is accurately damaged, and the product is prevented from being produced, and the running quality is accurately damaged.
Detailed Description
The following description will be made in detail and detail with reference to the drawings, wherein the embodiments of the present invention are described in detail, and the configurations of the structures described in the following embodiments are merely illustrative, and the electric drum adjusting system for mine explosion suppression and intrinsic safety type permanent magnet synchronous variable frequency speed control according to the present invention is not limited to the structures described in the following embodiments, but all other embodiments obtained by a person skilled in the art without making any creative effort are within the scope of the present invention.
The invention provides a mining explosion-proof intrinsically safe permanent magnet synchronous variable-frequency speed-regulating electric roller regulating system, which comprises:
And a data acquisition module: the system is used for collecting the operation data of the motorized pulley in real time and mainly comprises an adjusting and controlling collecting unit and an operation monitoring collecting unit, and transmitting the operation data of the motorized pulley collected in real time to a controller module.
In this embodiment, the data acquisition module is mainly configured to perform real-time acquisition, monitoring and recording on speed regulation target data when the motorized pulley is in operation through the adjustment control acquisition unit, and perform real-time monitoring, acquisition and recording on operation state target data when the motorized pulley is in operation through the operation monitoring acquisition unit;
The adjusting control acquisition unit directly acquires speed regulation target data of the electric roller during operation from an external sensor by using the built-in function of the frequency converter;
The operation monitoring and collecting unit obtains operation state target data of the motorized pulley during operation through a sensor arranged on the motorized pulley.
The method specifically needs to be explained, the adjusting and controlling acquisition unit and the operation monitoring acquisition unit are configured with the same network parameters as the controller, the corresponding communication interfaces and protocols are configured at the controller end, and data sent by the acquisition unit are received through the network.
And a controller module: the motor speed regulation and control system is used for realizing the control and regulation functions of the whole system, setting an optimal control strategy through real-time monitoring of the operation data of the electric roller, and outputting a control signal to a motor driver to realize the speed regulation and control of the motor.
In the embodiment, the controller module analyzes the speed regulation target data and the running state target data through a control algorithm, and formulates an optimal control strategy to realize the control of the electric roller; and automatically generating a control signal according to the optimal control strategy, and immediately triggering the control signal to be transmitted to a driver when the controller module receives the control adjustment instruction transmitted by the control signal output module, so as to adjust and control and correct the running deviation state of the electric roller.
The specific explanation is that the formulation process of the optimal control strategy is as follows:
Step S21: adjusting the electric roller through PID control, wherein the PID control comprises three parameters of proportion (P), integral (I) and derivative (D), so that the output is close to a target value, judging the running state of the electric roller by utilizing fuzzy logic, and formulating a corresponding control strategy;
Step S22: the following optimal control strategies are formulated by combining a control algorithm:
Speed control strategy: according to the speed regulation target data, the rotating speed of the electric roller is regulated to be stable near a set value;
load balancing strategies: by adjusting the operation parameters of the electric roller, load balancing is realized, and equipment loss is reduced;
Temperature control strategy: monitoring the temperature of the electric roller, taking measures to prevent overheating, and ensuring the safe operation of equipment;
step S23: and inputting the formulated optimal control strategy into a controller of the motorized pulley, adjusting the running state of the motorized pulley in real time, detecting the control state, and continuously adjusting the control strategy if the deviation state still exists until the expected effect is achieved.
And a speed regulation performance analysis module: the speed regulation performance is analyzed through the regulation control acquisition unit, the speed regulation fluctuation monitoring index is obtained through the analysis of the data acquired by the regulation control acquisition unit, the speed regulation performance characteristic change condition of the motorized pulley is monitored, and the speed regulation performance analysis result is transmitted to the deviation detection module.
In this embodiment, the specific analysis step of the speed regulation fluctuation monitoring index includes:
Step S31: calculating the rotation speed fluctuation at the time t, and collecting the actual rotation speed at the time t The calculation formula of the rotation speed fluctuation is:, The set rotating speed at the time t is shown;
step S32: calculating the fluctuation rate of the rotating speed as ,Indicating the fluctuation of the maximum rotational speed,Representing a minimum rotational speed fluctuation;
step S33: the calculation formula for analyzing the speed regulation fluctuation monitoring index based on the collected speed regulation target data is as follows: , The actual torque at the time t is indicated, The actual torque at the initial moment is indicated,The actual frequency at time t is indicated,Representing the actual frequency at the initial time.
The speed regulation performance analysis module can visually display the change condition of the speed regulation performance characteristics of the motorized pulley in a chart form, can reflect the change trend of the speed regulation performance of the motorized pulley in real time during working, and is convenient for analyzing and monitoring the deviation degree of the running state.
Dynamic response analysis module: the running dynamic response is analyzed through the running monitoring acquisition unit, the running dynamic fluctuation monitoring index is obtained through the analysis of the data acquired by the running monitoring acquisition unit, the running dynamic response state change condition of the motorized pulley is monitored, and the running dynamic response analysis result is transmitted to the deviation detection module.
In this embodiment, the calculation formula of the running dynamic fluctuation monitoring index is as follows
N represents the total number of times the operating voltage is acquired,Representing the operating voltage of the ith acquisition,An average value of the operating voltage is indicated,Representing the proportional gain coefficient.
The dynamic response analysis module is used for monitoring the running dynamic response state change condition of the motorized pulley, can be visually displayed in a chart form, can reflect the change trend of the running dynamic response state of the motorized pulley in real time during working, and is convenient for analyzing and monitoring the running state deviation degree.
And a temperature monitoring module: the temperature influence coefficient is used for calculating the temperature influence coefficient, the temperature influence coefficient is obtained by calculating by monitoring the temperature change process when the motorized pulley operates, the temperature change is monitored to influence the operation adjustment of the motorized pulley, and the temperature influence coefficient is transmitted to the deviation detection module.
In this embodiment, the temperature monitoring module is configured to evaluate the effect of temperature variation on the operation adjustment of the motorized pulley by determining a reference temperatureRecording the operating efficiency at the reference temperatureRotational speed ofTorque ofAnd monitoring the operating efficiency at the current temperatureRotational speed ofTorque ofThe temperature influence coefficient is calculated as:
X represents the current temperature; by calculating the temperature influence coefficient, the specific influence of the temperature change on the performance of the motorized pulley can be analyzed if The value is larger, which shows that the temperature has a significant effect on the performance of the motorized pulley and corresponding operation adjustment is needed.
The electric roller can generate certain heat in the operation process, so that the temperature change of the electric roller during operation is required to be monitored in real time, the operation deviation state of the electric roller is influenced by the detected temperature change, and the temperature of the electric roller is ensured to operate in a normal range.
And a deviation detection module: and calculating a control deviation coefficient through the speed regulation fluctuation monitoring index, the operation dynamic fluctuation monitoring index and the temperature influence coefficient, so as to detect whether the electric roller has an operation deviation state or not, and transmitting a detection result to a control signal output module.
In this embodiment, the calculation formula of the control deviation coefficient is as followsR represents a speed regulation fluctuation monitoring index, M represents an operation dynamic fluctuation monitoring index,The temperature influence coefficient is represented by a temperature coefficient,The representation weight coefficient can be adjusted according to the specific requirements of the system; by comparing the control deviation coefficient with a set threshold value, if the control deviation coefficient C is smaller than or equal to the set threshold valueIndicating that the change of the running state of the motorized pulley is in the standard range, continuously monitoring the running state of the motorized pulley without adjusting the motorized pulley, and if the control deviation coefficient C is greater than the set threshold valueIndicating that the change of the running state of the motorized pulley deviates from the standard range, and immediately transmitting a deviation detection result of the running state of the motorized pulley to the control signal output module; the set threshold valueIs set by engineering technicians according to experience and expertise.
The control signal output module: and automatically generating an adjusting signal based on the detection result of the deviation detection module and outputting the adjusting signal to the controller module.
In this embodiment, the control signal output module is configured to output a deviation detection result of the deviation detection module, and send a control adjustment instruction to the controller module, so as to adjust the running deviation degree of the motorized pulley.
It should be noted that in particular,
Finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.