CN118934581A - A systematic method for controlling the operation of a reciprocating compressor - Google Patents
A systematic method for controlling the operation of a reciprocating compressor Download PDFInfo
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims description 28
- 230000001276 controlling effect Effects 0.000 claims description 26
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- 230000000875 corresponding effect Effects 0.000 claims description 12
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- 238000003745 diagnosis Methods 0.000 claims description 7
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- 238000007906 compression Methods 0.000 claims description 3
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
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Abstract
本发明公开了一种控制往复式压缩机运行的系统方法，涉及往复式压缩机技术领域，该控制往复式压缩机运行的系统方法包括控制单元、传感器和监测设备、执行器、数据采集和处理、通信接口、用户界面，所述控制单元是整个系统的核心，所述控制单元包括中央处理器和输入/输出模块，所述传感器和监测设备能够实时监测压缩机的运行状态，所述传感器和监测设备包括温度传感器、压力传感器、位移传感器和振动传感器。本发明相较于传统控制系统，本发明引入了先进的启动和控制逻辑，能够智能地根据压缩机的实时状态和外部条件自动调整运行参数，此外，系统在启动前进行完善的初始化检查，确保设备在最佳状态下运行，从而减少故障风险。
The present invention discloses a system method for controlling the operation of a reciprocating compressor, and relates to the technical field of reciprocating compressors. The system method for controlling the operation of a reciprocating compressor includes a control unit, a sensor and a monitoring device, an actuator, data acquisition and processing, a communication interface, and a user interface. The control unit is the core of the entire system, and the control unit includes a central processing unit and an input/output module. The sensor and the monitoring device can monitor the operating status of the compressor in real time, and the sensor and the monitoring device include a temperature sensor, a pressure sensor, a displacement sensor, and a vibration sensor. Compared with traditional control systems, the present invention introduces advanced startup and control logic, which can automatically and intelligently adjust operating parameters according to the real-time status and external conditions of the compressor. In addition, the system performs a complete initialization check before startup to ensure that the equipment operates in the best state, thereby reducing the risk of failure.
Description
Technical Field
The invention relates to the technical field of reciprocating compressors, in particular to a system method for controlling the operation of a reciprocating compressor.
Background
The reciprocating compressor is a compressor which periodically changes the volume of a cylinder body through the reciprocating motion of a piston or a diaphragm in the cylinder and realizes the pressurization and the transportation of gas, and the positive displacement compressor is divided into a piston type compressor and a diaphragm type compressor according to the reciprocating motion of a component, and the reciprocating compressor is usually required to be matched with a control system to realize the stable operation of the reciprocating compressor.
The following problems exist in the prior art:
The existing reciprocating compressor operation control system may have slower data processing and response speed, cannot timely adjust the operation state of the compressor, may lack an effective fault diagnosis function, cannot timely find and early warn potential equipment problems, and may require more periodic inspection and manual maintenance due to lack of advanced monitoring and diagnosis tools, and further may not be intuitive enough to operate, resulting in complex operation, easy error, and may be difficult to integrate with other automation systems of a factory, limiting the automation level of the whole production line.
Disclosure of Invention
The present invention provides a system and method for controlling the operation of a reciprocating compressor to solve the above-mentioned problems set forth in the background art.
In order to solve the technical problems, the invention adopts the following technical scheme:
A system method for controlling the operation of a reciprocating compressor, the system method for controlling the operation of the reciprocating compressor comprises a control unit, a sensor and a monitoring device, an actuator, a data acquisition and processing unit, a communication interface and a user interface, wherein the control unit is the core of the whole system, the control unit comprises a central processing unit and an input/output module, the sensor and the monitoring device can monitor the operation state of the compressor in real time, the sensor and the monitoring device comprise a temperature sensor, a pressure sensor, a displacement sensor and a vibration sensor, the actuator plays the role of executing instructions in the system, the actuator comprises an electromagnetic valve and a regulating valve, and the data acquisition and processing unit comprises a data acquisition module and a data processing module.
The technical scheme of the invention is further improved as follows: the CPU is responsible for processing input signals from each sensor, executing a preset control algorithm, and finally outputting corresponding control signals to adjust the running state of the compressor, and the input/output module serves as a bridge between the CPU and the sensors and the executor and is responsible for converting and transmitting electric signals so as to ensure accurate transmission of information.
The technical scheme of the invention is further improved as follows: the temperature sensor is responsible for monitoring the temperature of each key part of the compressor so as to prevent equipment damage caused by overheat, the pressure sensor is used for monitoring the pressure of an inlet and an outlet of the compressor and ensuring that the compressor runs in a safety range, the displacement sensor is used for monitoring the displacement condition of a piston so as to ensure the running stability of the compressor, and the vibration sensor is responsible for monitoring the vibration condition of the compressor and timely finding and preventing equipment damage caused by overlarge vibration.
The technical scheme of the invention is further improved as follows: the electromagnetic valve is responsible for controlling the start and stop of the compressor and the switching of the air path, so that the compressor is ensured to run according to a preset program, and the regulating valve is used for regulating the flow and the pressure of the air, so that the compressor is ensured to run in an optimal state, and the efficient and stable compression process is realized.
The technical scheme of the invention is further improved as follows: the data acquisition module is responsible for acquiring signals from the sensor and converting the signals into digital signals for processing by the CPU, and the data processing module further processes the acquired data, including filtering, calculating, storing and other operations, so as to ensure the accuracy and reliability of the data.
The technical scheme of the invention is further improved as follows: the communication module is a bridge for information exchange between the system and an external system, ensures that the control unit can communicate with the external system in real time, and realizes uploading of data and issuing of instructions, thereby realizing remote monitoring and control.
The technical scheme of the invention is further improved as follows: the user interface provides a friendly man-machine interaction interface for operators, and the operators can monitor the running state of the compressor in real time through the operation interface and adjust the running parameters according to the needs so as to ensure the safe and efficient running of the compressor.
The technical scheme of the invention is further improved as follows: the operation process of the system method for controlling the operation of the reciprocating compressor comprises the following steps:
Step one: and a system starting stage: the user starts the system through a user interface, the user interface adopts a touch screen as input equipment, so that the user can conveniently send out a starting instruction, and after receiving a starting signal, the control unit sends out the starting instruction to the actuator through the input/output module and the actuator is responsible for starting the operation of the compressor;
Step two: an initialization stage: the control unit can initialize all components in the system, and in the initialization process, the control unit can also check the states of all devices, so that the system is ensured to have no faults, and a reliable basis is provided for subsequent operation;
Step three: and a data acquisition stage: the sensor starts to work, monitors key parameters such as temperature, pressure, displacement, vibration and the like of the compressor, wherein the parameters are critical to the stable operation of the compressor, and the data acquisition module converts analog signals provided by the sensor into digital signals so as to facilitate the subsequent data processing and analysis;
Step four: and a data processing stage: the data processing module filters, calculates and stores the acquired digital signals, the filtering is used for removing noise and interference and ensuring the accuracy of the data, the calculation is used for analyzing the data according to a preset algorithm, extracting useful information, and the storage is used for storing the processed data in a system for subsequent use;
Step five: the control algorithm execution stage: the CPU executes a control algorithm according to the processed data, and the control algorithm outputs corresponding control signals according to the real-time running state and preset running parameters of the compressor, wherein the control signals are used for adjusting the working state of the compressor, so that the efficient and stable running of the compressor is ensured;
step six: executing instruction phase: the control unit sends a control signal to the actuator through the I/O module, and executes corresponding actions according to the received control signal, including starting or stopping the compressor, adjusting the air path and the like, so as to ensure that the compressor operates according to preset parameters;
Step seven: monitoring and feedback stage: the sensor continuously monitors the running state of the compressor, and feeds back the monitored data to the control unit in real time, and the control unit adjusts the control strategy according to the fed-back data so as to ensure the stable running of the compressor;
Step eight: an exception handling stage: if the system detects an abnormal condition, the control unit executes a preset abnormal processing program, the system gives an alarm to remind operators of paying attention, and corresponding measures such as speed reduction, shutdown and the like are taken to protect equipment from damage;
Step nine: communication and data recording phase: the communication module ensures real-time communication between the control unit and an external system, operation data can be transmitted to the external system in real time through the communication module for subsequent analysis and fault diagnosis, and the operation data is stored in the local storage device for facilitating future inquiry and analysis;
step ten: system stop phase: the user sends a stop instruction through the user interface, and after receiving the stop instruction, the control unit executes a stop program to ensure that the compressor is safely stopped, wherein the stop program comprises gradually reducing the operation parameters of the compressor until the compressor is completely stopped, and ensuring that all equipment is in a safe state.
By adopting the technical scheme, compared with the prior art, the invention has the following technical progress:
1. Compared with the traditional control system, the system method for controlling the operation of the reciprocating compressor introduces advanced starting and control logic, can intelligently and automatically adjust the operation parameters according to the real-time state and external conditions of the compressor, and in addition, the system performs perfect initialization check before starting to ensure that the equipment operates in the optimal state, thereby reducing the fault risk.
2. The invention provides a system method for controlling the operation of a reciprocating compressor, which monitors key parameters of the compressor in real time through efficient data acquisition and processing capacity, analyzes the data by utilizing a dynamic control algorithm so as to realize real-time adjustment of a control strategy, and can also provide real-time monitoring and feedback to ensure the operation stability of the compressor and respond to any abnormal situation in time.
3. The invention provides a system method for controlling the operation of a reciprocating compressor, which has strong fault diagnosis and processing capability, can quickly detect and process abnormal conditions, protects equipment safety, simplifies an operation flow by an optimized user interface, reduces the risk of human errors, has good system integration and communication capability, is easy to integrate with an external system, realizes data sharing and remote monitoring, simultaneously records operation data so as to facilitate subsequent analysis and preventive maintenance, and also provides a safe stopping program to ensure the equipment safety in the stopping process.
Drawings
FIG. 1 is a system architecture diagram of a system method for controlling the operation of a reciprocating compressor according to the present invention;
fig. 2 is a flow chart illustrating the operation of the system method for controlling the operation of the reciprocating compressor according to the present invention.
Detailed Description
The invention is further illustrated by the following examples:
Example 1
As shown in fig. 1, the present invention provides a system method for controlling an operation of a reciprocating compressor, which includes a control unit, a sensor and a monitoring device, an actuator, data collection and processing, a communication interface, and a user interface, the control unit being a core of the whole system, the control unit including a central processing unit and an input/output module, the sensor and the monitoring device being capable of monitoring an operation state of the compressor in real time, the sensor and the monitoring device including a temperature sensor, a pressure sensor, a displacement sensor, and a vibration sensor, the actuator playing a role of executing instructions in the system, the actuator including a solenoid valve and a regulating valve, the data collection and processing including a data collection module and a data processing module.
The CPU is responsible for processing input signals from each sensor, executing a preset control algorithm, finally outputting corresponding control signals to adjust the running state of the compressor, and the input/output module serves as a bridge between the CPU and the sensors and the executor and is responsible for converting and transmitting electric signals to ensure accurate transmission of information.
The temperature sensor is responsible for monitoring the temperature of each key part of the compressor so as to prevent equipment damage caused by overheat, the pressure sensor is used for monitoring the pressure of an inlet and an outlet of the compressor and ensuring that the compressor runs in a safe range, the displacement sensor is used for monitoring the displacement condition of a piston so as to ensure the running stability of the compressor, and the vibration sensor is responsible for monitoring the vibration condition of the compressor and timely finding and preventing equipment damage caused by overlarge vibration.
The electromagnetic valve is responsible for controlling the start and stop of the compressor and the switching of the air circuit, so that the compressor is ensured to run according to a preset program, the regulating valve is used for regulating the flow and the pressure of the air, and the compressor is ensured to run in an optimal state, thereby realizing an efficient and stable compression process.
The data acquisition module is responsible for acquiring signals from the sensor and converting the signals into digital signals for processing by the central processing unit, and the data processing module further processes the acquired data, including filtering, calculating, storing and other operations, so as to ensure the accuracy and reliability of the data.
The communication module is a bridge for information exchange between the system and an external system, ensures that the control unit can communicate with the external system in real time, and realizes uploading of data and issuing of instructions, thereby realizing remote monitoring and control.
The user interface provides a friendly man-machine interaction interface for operators, and the operators can monitor the running state of the compressor in real time through the operation interface and adjust the running parameters according to the needs so as to ensure the safe and efficient running of the compressor.
In this embodiment, the purpose of the operation control system of the reciprocating compressor is to ensure efficient and safe operation of the compressor, and the system is composed of a plurality of key components, including a control unit, sensors and monitoring devices, an actuator, a data acquisition and processing module, a communication interface and a user interface, where these components work cooperatively, monitor the operation state of the compressor in real time, process sensor data, execute control instructions, communicate with an external system, and provide a man-machine interaction interface for an operator.
Example 2
As shown in fig. 2, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the operation process of the system method for controlling the operation of the reciprocating compressor includes the steps of:
Step one: and a system starting stage: the user starts the system through a user interface, the user interface adopts a touch screen as input equipment, so that the user can conveniently send out a starting instruction, and after receiving a starting signal, the control unit sends out the starting instruction to the actuator through the input/output module and the actuator is responsible for starting the operation of the compressor;
Step two: an initialization stage: the control unit can initialize all components in the system, and in the initialization process, the control unit can also check the states of all devices, so that the system is ensured to have no faults, and a reliable basis is provided for subsequent operation;
Step three: and a data acquisition stage: the sensor starts to work, monitors key parameters such as temperature, pressure, displacement, vibration and the like of the compressor, wherein the parameters are critical to the stable operation of the compressor, and the data acquisition module converts analog signals provided by the sensor into digital signals so as to facilitate the subsequent data processing and analysis;
Step four: and a data processing stage: the data processing module filters, calculates and stores the acquired digital signals, the filtering is used for removing noise and interference and ensuring the accuracy of the data, the calculation is used for analyzing the data according to a preset algorithm, extracting useful information, and the storage is used for storing the processed data in a system for subsequent use;
Step five: the control algorithm execution stage: the CPU executes a control algorithm according to the processed data, and the control algorithm outputs corresponding control signals according to the real-time running state and preset running parameters of the compressor, wherein the control signals are used for adjusting the working state of the compressor, so that the efficient and stable running of the compressor is ensured;
step six: executing instruction phase: the control unit sends a control signal to the actuator through the I/O module, and executes corresponding actions according to the received control signal, including starting or stopping the compressor, adjusting the air path and the like, so as to ensure that the compressor operates according to preset parameters;
Step seven: monitoring and feedback stage: the sensor continuously monitors the running state of the compressor, and feeds back the monitored data to the control unit in real time, and the control unit adjusts the control strategy according to the fed-back data so as to ensure the stable running of the compressor;
Step eight: an exception handling stage: if the system detects an abnormal condition, the control unit executes a preset abnormal processing program, the system gives an alarm to remind operators of paying attention, and corresponding measures such as speed reduction, shutdown and the like are taken to protect equipment from damage;
Step nine: communication and data recording phase: the communication module ensures real-time communication between the control unit and an external system, operation data can be transmitted to the external system in real time through the communication module for subsequent analysis and fault diagnosis, and the operation data is stored in the local storage device for facilitating future inquiry and analysis;
step ten: system stop phase: the user sends a stop instruction through the user interface, and after receiving the stop instruction, the control unit executes a stop program to ensure that the compressor is safely stopped, wherein the stop program comprises gradually reducing the operation parameters of the compressor until the compressor is completely stopped, and ensuring that all equipment is in a safe state.
In this embodiment, the operation method flow of the operation control system of the reciprocating compressor is a comprehensive and closed-loop management process, which covers multiple stages from system start to stop, such as initialization, data acquisition, data processing, control algorithm execution, execution instruction, monitoring feedback, exception handling, communication, data recording, etc., through which the system can ensure that the compressor can be effectively monitored and controlled in each stage of start, operation and stop, thereby realizing safe, efficient and stable operation of the compressor;
In a system starting stage, a user sends a starting instruction through a user interface, a control unit activates an actuator through an I/O module to start the operation of the compressor, all components of the system are guaranteed to be in a good state in an initialization stage, a foundation is laid for normal operation, real-time monitoring and accurate control of the compressor are guaranteed in a data acquisition and processing stage, and the operation parameters of the compressor meet preset requirements in a control algorithm executing and instruction executing stage;
the monitoring and feedback stage is the key for ensuring the stable operation of the system, the control strategy can be adjusted in real time to cope with the dynamic change of the compressor, and the abnormality processing stage provides a safety guarantee mechanism, so that the system can take measures in time when an abnormality condition is detected, and equipment damage is prevented;
The communication and data recording stage enables the operation data of the compressor to be monitored and analyzed remotely, is beneficial to optimizing the operation efficiency and carrying out fault diagnosis, and finally, in the system stopping stage, a user can safely close the system through a user interface, the control unit executes a stopping program, the compressor is ensured to stop stably, and all equipment is kept in a safe state.
The foregoing invention has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (8)
1. A system method for controlling operation of a reciprocating compressor, comprising: the system method for controlling the operation of the reciprocating compressor comprises a control unit, a sensor and monitoring equipment, an actuator, a data acquisition and processing unit, a communication interface and a user interface, wherein the control unit is the core of the whole system, the control unit comprises a central processing unit and an input/output module, the sensor and the monitoring equipment can monitor the operation state of the compressor in real time, the sensor and the monitoring equipment comprise a temperature sensor, a pressure sensor, a displacement sensor and a vibration sensor, the actuator plays the role of executing instructions in the system, the actuator comprises an electromagnetic valve and a regulating valve, and the data acquisition and processing unit comprises a data acquisition module and a data processing module.
2. A system method for controlling an operation of a reciprocating compressor as claimed in claim 1, wherein: the CPU is responsible for processing input signals from each sensor, executing a preset control algorithm, and finally outputting corresponding control signals to adjust the running state of the compressor, and the input/output module serves as a bridge between the CPU and the sensors and the executors and is responsible for converting and transmitting electric signals so as to ensure accurate transmission of information.
3. A system method for controlling an operation of a reciprocating compressor as claimed in claim 1, wherein: the temperature sensor is responsible for monitoring the temperature of each key part of the compressor so as to prevent equipment damage caused by overheat, the pressure sensor is used for monitoring the pressure of an inlet and an outlet of the compressor and ensuring that the compressor runs in a safety range, the displacement sensor is used for monitoring the displacement condition of a piston so as to ensure the running stability of the compressor, and the vibration sensor is responsible for monitoring the vibration condition of the compressor and timely finding and preventing equipment damage caused by overlarge vibration.
4. A system method for controlling an operation of a reciprocating compressor as claimed in claim 1, wherein: the electromagnetic valve is responsible for controlling the start and stop of the compressor and the switching of the air path, so that the compressor is ensured to run according to a preset program, and the regulating valve is used for regulating the flow and the pressure of the air, so that the compressor is ensured to run in an optimal state, and the efficient and stable compression process is realized.
5. A system method for controlling an operation of a reciprocating compressor as claimed in claim 1, wherein: the data acquisition module is responsible for acquiring signals from the sensor and converting the signals into digital signals for processing by the central processing unit, and the data processing module further processes the acquired data, including filtering, calculating, storing and other operations, so as to ensure the accuracy and reliability of the data.
6. A system method for controlling an operation of a reciprocating compressor as claimed in claim 1, wherein: the communication module is a bridge for information exchange between the system and an external system, ensures that the control unit can communicate with the external system in real time, and realizes uploading of data and issuing of instructions, thereby realizing remote monitoring and control.
7. A system method for controlling an operation of a reciprocating compressor as claimed in claim 1, wherein: the user interface provides a friendly man-machine interaction interface for operators, and the operators can monitor the running state of the compressor in real time through the operation interface and adjust the running parameters according to the needs so as to ensure the safe and efficient running of the compressor.
8. A system method for controlling an operation of a reciprocating compressor as claimed in claim 1, wherein: the operation process of the system method for controlling the operation of the reciprocating compressor comprises the following steps:
Step one: and a system starting stage: the user starts the system through a user interface, the user interface adopts a touch screen as input equipment, so that the user can conveniently send out a starting instruction, and after receiving a starting signal, the control unit sends out the starting instruction to the actuator through the input/output module and the actuator is responsible for starting the operation of the compressor;
Step two: an initialization stage: the control unit can initialize all components in the system, and in the initialization process, the control unit can also check the states of all devices, so that the system is ensured to have no faults, and a reliable basis is provided for subsequent operation;
Step three: and a data acquisition stage: the sensor starts to work, monitors key parameters such as temperature, pressure, displacement, vibration and the like of the compressor, wherein the parameters are critical to the stable operation of the compressor, and the data acquisition module converts analog signals provided by the sensor into digital signals so as to facilitate the subsequent data processing and analysis;
Step four: and a data processing stage: the data processing module filters, calculates and stores the acquired digital signals, the filtering is used for removing noise and interference and ensuring the accuracy of the data, the calculation is used for analyzing the data according to a preset algorithm, extracting useful information, and the storage is used for storing the processed data in a system for subsequent use;
Step five: the control algorithm execution stage: the CPU executes a control algorithm according to the processed data, and the control algorithm outputs corresponding control signals according to the real-time running state and preset running parameters of the compressor, wherein the control signals are used for adjusting the working state of the compressor, so that the efficient and stable running of the compressor is ensured;
step six: executing instruction phase: the control unit sends a control signal to the actuator through the I/O module, and executes corresponding actions according to the received control signal, including starting or stopping the compressor, adjusting the air path and the like, so as to ensure that the compressor operates according to preset parameters;
Step seven: monitoring and feedback stage: the sensor continuously monitors the running state of the compressor, and feeds back the monitored data to the control unit in real time, and the control unit adjusts the control strategy according to the fed-back data so as to ensure the stable running of the compressor;
Step eight: an exception handling stage: if the system detects an abnormal condition, the control unit executes a preset abnormal processing program, the system gives an alarm to remind operators of paying attention, and corresponding measures such as speed reduction, shutdown and the like are taken to protect equipment from damage;
Step nine: communication and data recording phase: the communication module ensures real-time communication between the control unit and an external system, operation data can be transmitted to the external system in real time through the communication module for subsequent analysis and fault diagnosis, and the operation data is stored in the local storage device for facilitating future inquiry and analysis;
step ten: system stop phase: the user sends a stop instruction through the user interface, and after receiving the stop instruction, the control unit executes a stop program to ensure that the compressor is safely stopped, wherein the stop program comprises gradually reducing the operation parameters of the compressor until the compressor is completely stopped, and ensuring that all equipment is in a safe state.
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