Motor remote monitoring system

Abstract

The invention discloses a remote monitoring system for a motor. The remote monitoring system comprises a data acquisition unit, a communication unit, a data calculation and storage unit, a state display and alarm unit and a diagnostic analysis and report unit, the data acquisition unit can acquire various analog quantity and digital quantity data of the equipment; the data calculation and storage unit is used for storing the received data by using real-time data, so that a user can conveniently query, analyze and process the data; the state display and alarm unit is used for giving an alarm for data overrun, and a user can set a limit value; alarm information is stored in a mysq l database. The system can automatically produce a database, and compares and analyzes the operation state of the motor through big data, thereby achieving an early warning function. The system can detect load rate, energy consumption and other data of an original motor and a permanent magnet motor, and automatically generates a power saving rate analysis report. The system can monitor data indexes such as permanent magnet motor magnetic performance, frequency converter harmonic waves and insulation, and the motor state can be known in real time.

Description

Technical Field

[0001] The present invention relates to the technical field of motor monitoring systems, and more particularly to a motor remote monitoring system. Background Art

[0002] With the development of Internet technology, 4G networks are being used more and more widely in production and life, connecting various physical devices, sensors and cloud platforms to realize data collection, transmission, storage and analysis, thereby realizing intelligent monitoring and management. In the cloud platform, the management of motor equipment refers to the monitoring, control and optimization management of motors and related equipment. By connecting the motor to the cloud platform through the Internet of Things, the motor's operating status, energy consumption information and other data can be obtained in real time, and intelligent motor management can be performed through data analysis and algorithms, including remote equipment monitoring, fault warning and other functions, so that the motor can be managed throughout its life cycle.

[0003] The motor online monitoring system relies on advanced Internet of Things sensing technology. It monitors the operating parameters of the motor equipment, automatically generates a database, a historical database and an alarm library through calculation and processing, and compares the operating parameter values ​​with the set values ​​to determine whether the equipment is currently in a normal, abnormal or faulty state. Once the equipment is abnormal or faulty, an alarm will be issued in time to notify the operation management personnel.

[0004] By combining mobile phones and PCs, we can monitor and efficiently manage various types of motor equipment in real time, track motor data and maintenance records, and take necessary measures in a timely manner to ensure the safe operation of the equipment. At the same time, with the power of the Internet, we can also remotely control motor equipment, flexibly adjust parameters and perform operations. With the help of a large-screen display, we can display various key data, including motor voltage, current, temperature, vibration, etc., which can intuitively display the operating status of the equipment, accurately track operating data, and easily gain insight into the operating status and maintenance needs of the equipment. The platform provides an alarm push function, which can be viewed through the cloud platform official account.

[0005] However, the existing technology still has the following problems:

[0006] There is no historical database or alarm database, and it is impossible to use big data to warn the motor's operating status;

[0007] One of the main reasons why users adopt permanent magnet motors is to improve energy efficiency. Existing technology cannot conduct comparative analysis of motor energy consumption;

[0008] Existing technologies are unable to monitor data indicators such as permanent magnet motor magnetic properties, inverter harmonics, and insulation.

[0009] Therefore, we proposed a motor remote monitoring system to solve the above problems. Summary of the invention

[0010] In order to overcome the above defects of the prior art, an embodiment of the present invention provides a motor remote monitoring system to solve the problems raised in the above background technology.

[0011] To achieve the above object, the present invention provides the following technical solutions: A motor remote monitoring system, comprising a data acquisition unit, a communication unit, a data calculation and storage unit, a status display and alarm unit, and a diagnosis analysis and reporting unit;

[0012] Data acquisition unit: can collect various analog and digital data of the equipment;

[0013] Data calculation and storage unit: Use real-time data to store received data, making it convenient for users to query, analyze and process;

[0014] Status display and alarm unit: alarm when data exceeds the limit, and the user can set the limit value;

[0015] The alarm information is stored in the MySQL database. Users only need to set the date and time on the page to conduct a retrospective query on the alarm information records.

[0016] Communication unit: It can provide network or RS485 communication interface, support the communication protocols of PLC, inverter and intelligent devices, and push alarms to WeChat public account and PC web page in real time;

[0017] Diagnostic analysis and reporting unit: Through the function page, you can easily query the waveform and trend chart of the data;

[0018] Report query: With report query and report printing functions, real-time and historical data can be queried, and the data to be queried can be displayed in table form;

[0019] Data display: The motor operation screen and data can be displayed on the PC or WeChat applet.

[0020] In a preferred embodiment, the communication unit includes two communication modes, wired and wireless, and can form a full-range wireless monitoring system or a wireless plus wired monitoring system.

[0021] In a preferred embodiment, in the data acquisition unit, the information collected by the motor monitoring point sensor is uploaded at the communication layer through the state transmitter, repeater and receiver;

[0022] The transmitter data is wirelessly transmitted to the repeater, and then relayed to the receiver through the repeater. The receiver uploads the data to the data calculation and storage unit via the 4G network.

[0023] In a preferred embodiment, a plurality of data acquisition units constitute an information processing substation.

[0024] In a preferred embodiment, the information processing substation can collect the stator temperature and bearing temperature of the motor through the temperature collection module;

[0025] The temperature acquisition module includes a temperature sensor.

[0026] In a preferred embodiment, the information processing substation can collect the operating status data of the motor equipment, motor voltage data, current data, frequency data and speed data, motor bearing vibration data, noise data and power supply network harmonic data through the RS485 communication interface.

[0027] In a preferred embodiment, the information processing substation can collect data through a voltage and current acquisition module and a speed sensor;

[0028] Add noise sensors to monitor the intensity of motor noise in real time and collect data through the information processing substation.

[0029] In a preferred embodiment, for a motor equipped with a frequency converter, data is directly read through a communication interface of the frequency converter;

[0030] For motors without frequency converters, it is necessary to configure corresponding electrical parameter acquisition modules for data collection. At the same time, the electrical parameter module supports harmonic measurement of input power supply.

[0031] In a preferred embodiment, a three-axis vibration sensor with RS485 communication function is installed on the bearing, and the bearing vibration intensity data is collected through the information processing substation to monitor the bearing vibration intensity data in real time.

[0032] Technical effects and advantages of the present invention:

[0033] 1. This system can automatically generate a database and compare and analyze the operating status of the motor through big data, thereby realizing the early warning function.

[0034] 2. This system can detect the load rate, energy consumption and other data of the original motor and permanent magnet motor, and automatically generate a power saving rate analysis report.

[0035] 3. This system can monitor the magnetic properties of permanent magnet motors, inverter harmonics, insulation and other data indicators to understand the motor status in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a system schematic diagram of the present invention;

[0037] Figure 2 It is a schematic diagram of the information processing substation module in the present invention. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] Reference Figure 1-2 , the motor remote monitoring system includes a data acquisition unit, a communication unit, a data calculation and storage unit, a status display and alarm unit, and a diagnosis analysis and reporting unit;

[0040] Data acquisition unit: can collect a variety of analog and digital data of the equipment; in the data acquisition unit, the information collected by the motor monitoring point sensor is uploaded to the communication layer through the state transmitter, repeater and receiver;

[0041] The transmitter data is wirelessly transmitted to the repeater, and then relayed to the receiver through the repeater. The receiver uploads the data to the data calculation and storage unit through the 4G network. The overall architecture does not require any wiring, reducing the construction cost and transformation time of the user's communication network.

[0042] Multiple data collection units form an information processing substation. The on-site information processing substation is composed of the IoT gateway as the core and various peripheral devices. Under the control of the software, it completes the data collection and analysis, and uploads it to the cloud platform through the network;

[0043] The information processing substation contains a variety of input interfaces to facilitate the collection of data such as stator temperature, bearing temperature, bearing vibration, motor voltage, current, speed, etc.

[0044] The information processing substation can collect the running status data of the motor equipment, motor voltage data, current data, frequency data and speed data, motor bearing vibration data, noise data and power supply network harmonic data through the RS485 communication interface.

[0045] The information processing substation can collect the stator temperature and bearing temperature of the motor through the temperature collection module;

[0046] The temperature acquisition module includes a temperature sensor;

[0047] The information processing substation can collect data through voltage and current acquisition modules and speed sensors;

[0048] Add noise sensors to monitor the intensity of motor noise in real time and collect data through information processing substations;

[0049] For motors equipped with frequency converters, data can be directly read through the communication interface of the frequency converter;

[0050] For motors without frequency converters, corresponding electrical parameter acquisition modules need to be configured for data collection. At the same time, the electrical parameter module supports harmonic measurement of input power supply. A three-axis vibration sensor with RS485 communication function is installed on the bearing, and the bearing vibration intensity data is collected through the information processing substation to monitor the bearing vibration intensity data in real time.

[0051] The system realizes online monitoring of motor equipment through data collection by on-site sensors, data processing and uploading by information processing substations and data collection and transmission system composed of cloud platforms. The cloud platform provides a friendly human-machine interface to realize human-machine dialogue and remote monitoring functions. The information processing substation, as a data processing unit, completes data processing and uploading tasks to the cloud platform, and sensors realize the collection and uploading of on-site data.

[0052] Data calculation and storage unit: Use real-time data to store received data, making it convenient for users to query, analyze and process;

[0053] Status display and alarm unit: alarm when data exceeds the limit, and the user can set the limit value;

[0054] The alarm information is stored in the MySQL database. Users only need to set the date and time on the page to conduct a retrospective query on the alarm information records.

[0055] Communication unit: It can provide network or RS485 communication interface, support the communication protocols of PLC, inverter and intelligent devices, and push alarms to WeChat public account and PC web page in real time;

[0056] The communication unit includes two communication modes: wired and wireless. It can form a full wireless monitoring system or a wireless plus wired monitoring system, which can be flexibly selected by the user according to the on-site environment and their own needs. The system has a standard network interface, unlimited transmission distance, supports cross-platform operating systems, has a user-friendly interface, and scientific and effective data file management;

[0057] Diagnostic analysis and reporting unit: Through the function page, you can easily query the waveform and trend chart of the data;

[0058] Report query: With report query and report printing functions, real-time and historical data can be queried, and the data to be queried can be displayed in table form;

[0059] Data display: The motor operation screen and data can be displayed on the PC or WeChat applet;

[0060] User management: Administrators can manage multiple registered users, and each user can have their own interface within their business scope. Users can view specified data and pages after obtaining permissions.

[0061] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. The motor remote monitoring system is characterized by: It includes data acquisition unit, communication unit, data calculation and storage unit, status display and alarm unit and diagnosis analysis and reporting unit; Data acquisition unit: can collect various analog and digital data of the equipment; Data calculation and storage unit: Use real-time data to store received data, making it convenient for users to query, analyze and process; Status display and alarm unit: alarm when data exceeds the limit, and the user can set the limit value; The alarm information is stored in the MySQL database. Users only need to set the date and time on the page to trace the alarm information records. Communication unit: It can provide network or RS485 communication interface, support the communication protocols of PLC, inverter and intelligent devices, and push alarms to WeChat public account and PC web page in real time; Diagnostic analysis and reporting unit: Through the function page, you can easily query the waveform and trend chart of the data; Report query: With report query and report printing functions, real-time and historical data can be queried, and the data to be queried can be displayed in table form; Data display: The motor operation screen and data can be displayed on the PC or WeChat applet.

2. The motor remote monitoring system according to claim 1, characterized in that: The communication unit includes both wired and wireless communication modes, which can form a full wireless monitoring system or a wireless plus wired monitoring system.

3. The motor remote monitoring system according to claim 1, characterized in that: In the data acquisition unit, the information collected by the sensors at the motor monitoring points is uploaded at the communication layer through the state transmitter, repeater and receiver; The transmitter data is wirelessly transmitted to the repeater, and then relayed to the receiver through the repeater. The receiver uploads the data to the data calculation and storage unit via the 4G network.

4. The motor remote monitoring system according to claim 1, characterized in that: Multiple data acquisition units constitute an information processing substation.

5. The motor remote monitoring system according to claim 4, characterized in that: The information processing substation can collect the stator temperature and bearing temperature of the motor through the temperature collection module; The temperature acquisition module includes a temperature sensor.

6. The motor remote monitoring system according to claim 4, characterized in that: The information processing substation can collect the operating status data of the motor equipment, motor voltage data, current data, frequency data and speed data, motor bearing vibration data, noise data and power supply network harmonic data through the RS485 communication interface.

7. The motor remote monitoring system according to claim 6, characterized in that: The information processing substation can collect data through voltage and current acquisition modules and speed sensors; Add noise sensors to monitor the intensity of motor noise in real time and collect data through the information processing substation.

8. The motor remote monitoring system according to claim 6, characterized in that: For motors equipped with frequency converters, data can be directly read through the communication interface of the frequency converter; For motors without frequency converters, it is necessary to configure corresponding electrical parameter acquisition modules for data collection. At the same time, the electrical parameter module supports harmonic measurement of input power supply.

9. The motor remote monitoring system according to claim 6, characterized in that: A three-axis vibration sensor with RS485 communication function is installed on the bearing, and the bearing vibration intensity data is collected through the information processing substation to monitor in real time.

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