CN112901493A - Air compressor unit control system and method based on cloud service - Google Patents

Air compressor unit control system and method based on cloud service Download PDF

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Publication number
CN112901493A
CN112901493A CN202110309699.XA CN202110309699A CN112901493A CN 112901493 A CN112901493 A CN 112901493A CN 202110309699 A CN202110309699 A CN 202110309699A CN 112901493 A CN112901493 A CN 112901493A
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China
Prior art keywords
air compressor
air
controller
monitoring
differential pressure
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Pending
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CN202110309699.XA
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Chinese (zh)
Inventor
汪洪波
蒋明刚
马占海
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Ningxia Saima Cement Co ltd
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Ningxia Saima Cement Co ltd
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Priority to CN202110309699.XA priority Critical patent/CN112901493A/en
Publication of CN112901493A publication Critical patent/CN112901493A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/28—Safety arrangements; Monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/02—Power
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/07—Electric current
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/12—Vibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/18—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/19—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/21—Pressure difference

Abstract

The application discloses a cloud service-based air compressor unit control system and method, wherein the system comprises a variable frequency controller, a differential pressure flowmeter, a thermal flowmeter, a dew point meter, a power meter, an alarm device and a controller; the variable frequency controller is electrically connected with the air compressor; the differential pressure flow meter comprises a first differential pressure flow meter and a second differential pressure flow meter; the first differential pressure flow meters are respectively arranged on the conveying pipelines; the second differential pressure flow meters are respectively arranged on the gas storage tanks; the thermal flow meter comprises a first thermal flow meter and a second thermal flow meter; the first thermal type flow meters are respectively arranged at the air outlets of the air compressors; the second thermal type flow meters are respectively arranged at the air inlets of the air consuming devices; the dew point instrument is arranged in a shell of the air compressor; the power meter is electrically connected with the motor control cabinet of each air compressor; the controller is respectively and electrically connected with the variable frequency controller, the differential pressure flowmeter, the thermal flowmeter, the dew point meter, the power meter and the alarm device; the controller is connected with the cloud server.

Description

Air compressor unit control system and method based on cloud service
Technical Field
The application relates to the technical field of compressed air systems, in particular to a cloud service-based air compressor unit control system and method.
Background
The enterprise air compressor stations for producing cement usually include at least two, respectively, a kiln system air compressor station and a cement mill system air compressor station. The existing kiln system air compressor station of small and medium-sized cement production enterprises is provided with 7 air-cooled screw air compressors with the air displacement of 26m3Min, exhaust pressure of 0.8MPa, motor power of 150KW, actual operating pressure of 0.56-0.6MPa, and starting mode 4 using 3; the air compressor station of the cement mill system is provided with 5 air-cooled screw air compressors with the air displacement of 26m3Min, exhaust pressure of 0.8MPa, motor power of 150KW, actual operating pressure of 0.6-0.7MPa, and starting mode of 2-use and 3-standby.
However, the existing compressed air system has the following problems in the operation condition:
1. the existing air compressor unit is not a variable frequency air compressor generally, has no energy-saving central control system and has certain unloading waste phenomenon due to fluctuation of production air.
2. The original air compressor has the advantages of low energy efficiency, high electric energy consumption and high operation and maintenance cost.
3. The pipeline and the valve have air resistance to cause overlarge pipe conveying pressure attenuation, the air compressor needs to maintain higher pressure to operate, the load is large, and the service life of the air compressor is influenced.
Disclosure of Invention
The application provides an air compressor unit control system and method based on cloud service, and aims to solve the problems that an existing air compressor unit is not provided with an energy-saving central control system, the phenomenon of certain unloading waste exists due to fluctuation of production air, power consumption is large, load is large, and the service life of an air compressor is influenced.
The technical scheme adopted by the application is as follows:
a cloud service-based air compressor unit control system comprises a variable frequency controller, a differential pressure flowmeter, a thermal flowmeter, a dew point meter, a power meter, an alarm device and a controller;
the variable frequency controller is electrically connected with the air compressor and is used for performing constant pressure control on the air compressor to ensure that the exhaust pressure meets the actual use requirement;
the differential pressure flow meter comprises a first differential pressure flow meter and a second differential pressure flow meter;
the first differential pressure flow meters are respectively arranged on the conveying pipelines and used for monitoring the airflow pressure difference among the conveying pipelines;
the second differential pressure flow meters are respectively arranged on the air storage tanks and used for monitoring the air flow pressure difference between the air inlets and the air outlets of the air storage tanks;
the thermal flow meter comprises a first thermal flow meter and a second thermal flow meter;
the first thermal type flow meters are respectively installed at the air outlets of the air compressors and used for monitoring the flow of the output compressed air of the air compressors;
the second thermal type flow meters are respectively installed at air inlets of all the air utilization equipment and used for detecting the input compressed air flow of all the air utilization equipment;
the dew point meter is arranged in a shell of the air compressor and used for detecting the working environment of the air compressor;
the power meter is electrically connected with the motor control cabinet of each air compressor and is used for monitoring the running condition of each air compressor;
the controller is respectively and electrically connected with the variable frequency controller, the differential pressure flowmeter, the thermal flowmeter, the dew point meter, the power meter and the alarm device, and is used for acquiring data in the operation process of the air compressor unit, analyzing and judging the operation data of the air compressor unit, and informing a manager through the alarm device when the operation data is abnormal;
the controller is connected with the cloud server and used for uploading the collected air compressor running data to the cloud server, and when the air compressor running data is abnormal, managers adjust the air compressor running parameters through the cloud server.
Preferably, the air compressor further comprises a temperature sensor, wherein the temperature sensor is arranged on a motor bearing of the air compressor and used for monitoring the temperature of the motor bearing;
the temperature sensor is electrically connected with the controller and used for transmitting the detected temperature data of the motor bearing to the controller.
Preferably, the air compressor further comprises a current sensor which is arranged on a motor controller of the air compressor and used for detecting the current used in the air compressor;
the current sensor is electrically connected with the controller and is used for transmitting the detected current data in the air compressor to the controller.
Preferably, the vibration monitoring device further comprises a vibration sensor which is arranged on a motor bearing of the air compressor and used for monitoring the vibration condition of the motor bearing during working;
the vibration sensor is electrically connected with the controller and used for transmitting the detected vibration condition of the motor bearing during working to the controller.
The cloud service-based air compressor unit control method is applied to the cloud service-based air compressor unit control system and comprises the following steps:
monitoring the airflow pressure difference between the conveying pipelines;
monitoring the airflow pressure difference between the air inlet and the air outlet of each air storage tank;
performing constant pressure control on the air compressor to ensure that the exhaust pressure meets the actual use requirement;
monitoring the output compressed air flow of each air compressor;
detecting the input compressed air flow of each gas-using device;
detecting the working environment of the air compressor;
monitoring the operation condition of each air compressor;
collecting data in the operation process of the air compressor unit, and analyzing and judging the operation data of the air compressor unit;
when the operation data is abnormal, the management personnel is informed through the alarm device;
uploading the collected air compressor operation data to a cloud server, and when the operation data is abnormal, adjusting the air compressor operation parameters in real time by a manager through the cloud server.
Preferably, the method specifically comprises the following steps:
monitoring the airflow pressure difference between the conveying pipelines through a first differential pressure flowmeter;
monitoring the airflow pressure difference between the air inlet and the air outlet of each air storage tank through a second differential pressure flowmeter;
constant-pressure control is carried out on the air compressor through a variable-frequency controller, so that the exhaust pressure is ensured to meet the actual use requirement;
monitoring the output compressed air flow of each air compressor through a first thermal flowmeter;
detecting the input compressed air flow of each gas-using device through a second thermal flow meter;
detecting the working environment of the air compressor through a dew point meter;
monitoring the running condition of each air compressor through a power meter;
acquiring data of the air compressor unit in the operation process through a controller, and analyzing and judging the operation data of the air compressor unit;
when the operation data is abnormal, the management personnel is informed through the alarm device;
the controller uploads the collected air compressor operation data to the cloud server, and when the operation data are abnormal, managers adjust the air compressor operation parameters in real time through the cloud server.
Preferably, the method further includes the following steps before acquiring air pressure, flow and ambient humidity data in the operation process of the air compressor unit through the controller and analyzing and judging the operation data of the air compressor unit:
monitoring the temperature of a motor bearing;
detecting the current used in the air compressor;
monitoring the vibration condition of a motor bearing of the air compressor during working;
and transmitting the detected temperature data of the motor bearing, the current used in the air compressor and the vibration condition of the motor bearing during working to the controller.
Preferably, when the operating data is abnormal, the method includes:
and when the collected air compressor operation data exceeds the set threshold range of the corresponding operation data.
The technical scheme of the application has the following beneficial effects:
1. according to the air compressor system, the change of the operation data and the working environment of the air compressor unit is dynamically monitored, the invalid energy consumption is eliminated, the fluid conveying efficiency is improved, the operation working condition of the air compressor is set according to the optimal parameters, the air volume output of the air compressor unit is timely controlled, and the high-efficiency, optimal and low-cost operation air compression system is realized.
2. According to the air compressor energy efficiency monitoring system, the air compressor running state real-time management, the workshop air consumption management, the conveying pipeline loss and the gas quality management are achieved, so that the energy conservation, intelligent management and equipment fault pre-judgment of a compressed air system are achieved, the final purpose is to achieve equipment intelligent management in the life cycle of equipment of the air compressor system, and comprehensive energy conservation is achieved.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an air compressor unit control system based on cloud services according to the present application.
Detailed Description
Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following examples do not represent all embodiments consistent with the present application. But merely as exemplifications of systems and methods consistent with certain aspects of the application, as recited in the claims.
Referring to fig. 1, a schematic structural diagram of an air compressor set control system based on cloud service is shown.
The air compressor unit control system based on cloud service comprises a variable frequency controller, a differential pressure flowmeter, a thermal flowmeter, a dew point meter, a power meter, an alarm device and a controller;
the variable frequency controller is electrically connected with the air compressor and is used for performing constant pressure control on the air compressor to ensure that the exhaust pressure meets the actual use requirement;
the differential pressure flow meter comprises a first differential pressure flow meter and a second differential pressure flow meter;
the first differential pressure flow meters are respectively arranged on the conveying pipelines and used for monitoring the airflow pressure difference among the conveying pipelines;
the second differential pressure flow meters are respectively arranged on the air storage tanks and used for monitoring the air flow pressure difference between the air inlets and the air outlets of the air storage tanks;
the thermal flow meter comprises a first thermal flow meter and a second thermal flow meter;
the first thermal type flow meters are respectively installed at the air outlets of the air compressors and used for monitoring the flow of the output compressed air of the air compressors;
the second thermal type flow meters are respectively installed at air inlets of all the air utilization equipment and used for detecting the input compressed air flow of all the air utilization equipment;
the dew point meter is arranged in a shell of the air compressor and used for detecting the working environment of the air compressor;
the power meter is electrically connected with the motor control cabinet of each air compressor and is used for monitoring the running condition of each air compressor;
the controller is respectively and electrically connected with the variable frequency controller, the differential pressure flowmeter, the thermal flowmeter, the dew point meter, the power meter and the alarm device, and is used for acquiring data in the operation process of the air compressor unit, analyzing and judging the operation data of the air compressor unit, and informing a manager through the alarm device when the operation data is abnormal;
the controller is connected with the cloud server and used for uploading the collected air compressor running data to the cloud server, and when the air compressor running data is abnormal, managers adjust the air compressor running parameters through the cloud server.
The alarm device is an audible and visual alarm or a short message alarm notification module embedded in the cloud server.
The temperature sensor is arranged on a motor bearing of the air compressor and used for monitoring the temperature of the motor bearing;
the temperature sensor is electrically connected with the controller and used for transmitting the detected temperature data of the motor bearing to the controller.
The current sensor is arranged on a motor controller of the air compressor and used for detecting the current used in the air compressor;
the current sensor is electrically connected with the controller and is used for transmitting the detected current data in the air compressor to the controller.
The vibration sensor is arranged on a motor bearing of the air compressor and used for monitoring the vibration condition of the motor bearing during working, judging whether the bearing is abnormally arranged and needs to be maintained and replaced or not, and ensuring the operation efficiency of the air compressor;
the vibration sensor is electrically connected with the controller and used for transmitting the detected vibration condition of the motor bearing during working to the controller.
The cloud service-based air compressor unit control method is applied to the cloud service-based air compressor unit control system and comprises the following steps:
monitoring the airflow pressure difference between the conveying pipelines;
monitoring the airflow pressure difference between the air inlet and the air outlet of each air storage tank;
performing constant pressure control on the air compressor to ensure that the exhaust pressure meets the actual use requirement;
monitoring the output compressed air flow of each air compressor;
detecting the input compressed air flow of each gas-using device;
detecting the working environment of the air compressor;
monitoring the operation condition of each air compressor;
collecting data in the operation process of the air compressor unit, and analyzing and judging the operation data of the air compressor unit;
when the operation data is abnormal, the management personnel is informed through the alarm device;
uploading the collected air compressor operation data to a cloud server, and when the operation data is abnormal, adjusting the air compressor operation parameters in real time by a manager through the cloud server.
The method specifically comprises the following steps:
monitoring the airflow pressure difference between the conveying pipelines through a first differential pressure flowmeter;
monitoring the airflow pressure difference between the air inlet and the air outlet of each air storage tank through a second differential pressure flowmeter;
constant-pressure control is carried out on the air compressor through a variable-frequency controller, so that the exhaust pressure is ensured to meet the actual use requirement;
monitoring the output compressed air flow of each air compressor through a first thermal flowmeter;
detecting the input compressed air flow of each gas-using device through a second thermal flow meter;
detecting the working environment of the air compressor through a dew point meter;
monitoring the running condition of each air compressor through a power meter;
acquiring data of the air compressor unit in the operation process through a controller, and analyzing and judging the operation data of the air compressor unit;
when the operation data is abnormal, the management personnel is informed through the alarm device;
the controller uploads the collected air compressor operation data to the cloud server, and when the operation data are abnormal, managers adjust the air compressor operation parameters in real time through the cloud server.
The method comprises the following steps that the air pressure, flow and environment humidity data in the operation process of the air compressor unit are collected through the controller, and before the operation data of the air compressor unit are analyzed and judged:
monitoring the temperature of a motor bearing;
detecting the current used in the air compressor;
monitoring the vibration condition of a motor bearing of the air compressor during working;
and transmitting the detected temperature data of the motor bearing, the current used in the air compressor and the vibration condition of the motor bearing during working to the controller.
When the operating data is abnormal, the method comprises the following steps:
and when the collected air compressor operation data exceeds the set threshold range of the corresponding operation data.
According to the air compressor energy efficiency monitoring system, the air compressor running state real-time management, the workshop air consumption management, the conveying pipeline loss and the gas quality management are achieved, so that the energy conservation, intelligent management and equipment fault pre-judgment of a compressed air system are achieved, the final purpose is to achieve equipment intelligent management in the life cycle of equipment of the air compressor system, and comprehensive energy conservation is achieved.
This application is through the change of dynamic monitoring air compressor unit operation data and operational environment, eliminate invalid energy consumption, improve fluid transport efficiency, the operating condition who sets for the air compressor machine according to best parameter, the amount of wind output of in good time control air compressor unit realizes high-efficient, best, low-cost operation pressure wind system, solved current air compressor unit do not have energy-conserving center control system, because production gas is undulant, there is the extravagant phenomenon of certain uninstallation, the consumption is big, the load is big, influence the problem in the life-span of air compressor machine.
The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.

Claims (8)

1. A cloud service-based air compressor unit control system is characterized by comprising a variable frequency controller, a differential pressure flowmeter, a thermal flowmeter, a dew point meter, a power meter, an alarm device and a controller;
the variable frequency controller is electrically connected with the air compressor and is used for performing constant pressure control on the air compressor to ensure that the exhaust pressure meets the actual use requirement;
the differential pressure flow meter comprises a first differential pressure flow meter and a second differential pressure flow meter;
the first differential pressure flow meters are respectively arranged on the conveying pipelines and used for monitoring the airflow pressure difference among the conveying pipelines;
the second differential pressure flow meters are respectively arranged on the air storage tanks and used for monitoring the air flow pressure difference between the air inlets and the air outlets of the air storage tanks;
the thermal flow meter comprises a first thermal flow meter and a second thermal flow meter;
the first thermal type flow meters are respectively installed at the air outlets of the air compressors and used for monitoring the flow of the output compressed air of the air compressors;
the second thermal type flow meters are respectively installed at air inlets of all the air utilization equipment and used for detecting the input compressed air flow of all the air utilization equipment;
the dew point meter is arranged in a shell of the air compressor and used for detecting the working environment of the air compressor;
the power meter is electrically connected with the motor control cabinet of each air compressor and is used for monitoring the running condition of each air compressor;
the controller is respectively and electrically connected with the variable frequency controller, the differential pressure flowmeter, the thermal flowmeter, the dew point meter, the power meter and the alarm device, and is used for acquiring data in the operation process of the air compressor unit, analyzing and judging the operation data of the air compressor unit, and informing a manager through the alarm device when the operation data is abnormal;
the controller is connected with the cloud server and used for uploading the collected air compressor running data to the cloud server, and when the air compressor running data is abnormal, managers adjust the air compressor running parameters through the cloud server.
2. The cloud service-based air compressor unit control system according to claim 1, further comprising a temperature sensor mounted on a motor bearing of the air compressor for monitoring a temperature of the motor bearing;
the temperature sensor is electrically connected with the controller and used for transmitting the detected temperature data of the motor bearing to the controller.
3. The cloud service-based air compressor unit control system according to claim 1, further comprising a current sensor installed on a motor controller of the air compressor for detecting the magnitude of current used in the air compressor;
the current sensor is electrically connected with the controller and is used for transmitting the detected current data in the air compressor to the controller.
4. The cloud service-based air compressor unit control system according to claim 1, further comprising a vibration sensor mounted on a motor bearing of the air compressor for monitoring a vibration condition of the motor bearing during operation;
the vibration sensor is electrically connected with the controller and used for transmitting the detected vibration condition of the motor bearing during working to the controller.
5. A cloud service-based air compressor unit control method, characterized in that the cloud service-based air compressor unit control system according to any one of claims 1 to 4 is applied, and the method comprises the following steps:
monitoring the airflow pressure difference between the conveying pipelines;
monitoring the airflow pressure difference between the air inlet and the air outlet of each air storage tank;
performing constant pressure control on the air compressor to ensure that the exhaust pressure meets the actual use requirement;
monitoring the output compressed air flow of each air compressor;
detecting the input compressed air flow of each gas-using device;
detecting the working environment of the air compressor;
monitoring the operation condition of each air compressor;
collecting data in the operation process of the air compressor unit, and analyzing and judging the operation data of the air compressor unit;
when the operation data is abnormal, the management personnel is informed through the alarm device;
uploading the collected air compressor operation data to a cloud server, and when the operation data is abnormal, adjusting the air compressor operation parameters in real time by a manager through the cloud server.
6. The air compressor unit control method based on the cloud service according to claim 5, specifically comprising the following steps:
monitoring the airflow pressure difference between the conveying pipelines through a first differential pressure flowmeter;
monitoring the airflow pressure difference between the air inlet and the air outlet of each air storage tank through a second differential pressure flowmeter;
constant-pressure control is carried out on the air compressor through a variable-frequency controller, so that the exhaust pressure is ensured to meet the actual use requirement;
monitoring the output compressed air flow of each air compressor through a first thermal flowmeter;
detecting the input compressed air flow of each gas-using device through a second thermal flow meter;
detecting the working environment of the air compressor through a dew point meter;
monitoring the running condition of each air compressor through a power meter;
acquiring data of the air compressor unit in the operation process through a controller, and analyzing and judging the operation data of the air compressor unit;
when the operation data is abnormal, the management personnel is informed through the alarm device;
the controller uploads the collected air compressor operation data to the cloud server, and when the operation data are abnormal, managers adjust the air compressor operation parameters in real time through the cloud server.
7. The air compressor unit control method based on the cloud service according to claim 6, wherein before the air compressor unit operation data is analyzed and judged by acquiring air pressure, flow and environment humidity data in the air compressor unit operation process through a controller, the method further comprises the following steps:
monitoring the temperature of a motor bearing;
detecting the current used in the air compressor;
monitoring the vibration condition of a motor bearing of the air compressor during working;
and transmitting the detected temperature data of the motor bearing, the current used in the air compressor and the vibration condition of the motor bearing during working to the controller.
8. The cloud-service-based air compressor unit control method according to claim 7, wherein when the operation data is abnormal, the method includes:
and when the collected air compressor operation data exceeds the set threshold range of the corresponding operation data.
CN202110309699.XA 2021-03-23 2021-03-23 Air compressor unit control system and method based on cloud service Pending CN112901493A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110309699.XA CN112901493A (en) 2021-03-23 2021-03-23 Air compressor unit control system and method based on cloud service

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110309699.XA CN112901493A (en) 2021-03-23 2021-03-23 Air compressor unit control system and method based on cloud service

Publications (1)

Publication Number Publication Date
CN112901493A true CN112901493A (en) 2021-06-04

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Application Number Title Priority Date Filing Date
CN202110309699.XA Pending CN112901493A (en) 2021-03-23 2021-03-23 Air compressor unit control system and method based on cloud service

Country Status (1)

Country Link
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