阅读说明：本技术 一种测控一体电机、集群测控系统及集群控制方法 (Measurement and control integrated motor, cluster measurement and control system and cluster control method ) 是由 陈德木 池永为 杨晓斌 陆建江 于 2019-09-10 设计创作，主要内容包括：本发明公开一种测控一体电机,包括电机和测控装置,所述测控装置包括外壳、变频器、电源接线端子、数据处理单元和信号接线端子。还公开一种测控一体电机集群测控系统,包括若干测控一体电机、信号采集子系统、信号及电力传输子系统、信号处理子系统和控制与维护子系统,另外还公开一种测控一体电机集群测控方法,包括传感器检测电机运行信息传递给数据处理单元；数据处理单元将传感器采集的信息传递给信号处理子系统；信号处理子系统对接收到的信息进行处理；控制与维护子系统根据信号处理子系统的处理结果对电机进行控制并判断是否需要报警,若需要报警则控制状态报警模块报警,若不需要则不报警。(The invention discloses a measurement and control integrated motor which comprises a motor and a measurement and control device, wherein the measurement and control device comprises a shell, a frequency converter, a power supply wiring terminal, a data processing unit and a signal wiring terminal. The integrated measurement and control motor cluster measurement and control system comprises a plurality of integrated measurement and control motors, a signal acquisition subsystem, a signal and power transmission subsystem, a signal processing subsystem and a control and maintenance subsystem; the data processing unit transmits the information acquired by the sensor to the signal processing subsystem; the signal processing subsystem processes the received information; the control and maintenance subsystem controls the motor according to the processing result of the signal processing subsystem and judges whether alarming is needed or not, if so, the control state alarming module alarms, and if not, the control state alarming module does not alarm.)

1. A measurement and control integrated motor is characterized in that: the motor monitoring device comprises a motor and a monitoring device, wherein the monitoring device is arranged on the motor and comprises a shell, a frequency converter, a power supply wiring terminal, a data processing unit and a signal wiring terminal, the data processing unit is respectively connected with the frequency converter and the signal wiring terminal, the data processing unit is also connected with a sensor used for detecting motor operation information, the frequency converter is connected with the motor, and the power supply wiring terminal is connected with an external power supply to supply power for the monitoring device and the sensor.

2. The measurement and control integrated motor according to claim 1, wherein: the shell comprises a shell body and a shell cover, wiring ports for signal lines, power lines and sensor connecting lines to penetrate through are arranged on two sides of the shell body, and a radiator is further arranged on the shell body.

3. The measurement and control integrated motor according to claim 2, wherein: still be provided with the rectifier in the converter, rectifier first end links to each other with a live wire of external power source, and the rectifier other end links to each other with the relay coil, and the relay contact links to each other with the motor band-type brake.

4. A measurement and control integrated motor cluster measurement and control system is characterized in that: including a plurality of integrative motors of observing and controling, signal acquisition subsystem, signal and power transmission subsystem, signal processing subsystem and control and maintenance subsystem, signal and power transmission subsystem include power cord and signal line, and external power source links to each other with the power binding post of first motor, and the power binding post of adjacent motor passes through the power cord and links to each other, and the signal binding post of adjacent motor passes through the signal line and links to each other, the signal line still links to each other with the signal processing subsystem.

5. The measurement and control integrated motor cluster measurement and control system according to claim 4, characterized in that: the signal processing subsystem comprises a signal data preprocessing module, a signal feature extraction module, a signal pattern recognition module and a feature library, wherein the feature library comprises a working condition feature library used for storing the standard working condition of the motor and a health state feature library used for storing the normal state of the motor.

6. The measurement and control integrated motor cluster measurement and control system according to claim 4, characterized in that: the control and maintenance subsystem comprises a motor start-stop module for controlling the start and stop of the motor, a motor acceleration and deceleration module for controlling the rotating speed of the motor and a state alarm module for prompting staff that the motor is in an abnormal state.

7. A measurement and control integrated motor cluster measurement and control method is characterized by comprising the following steps: the method comprises the following steps:

s1: the sensor detects the running information of the motor and transmits the running information to the data processing unit;

s2: the data processing unit transmits the information acquired by the sensor to the signal processing subsystem;

s3: the signal processing subsystem processes the received information;

s4: the control and maintenance subsystem controls the motor according to the processing result of the signal processing subsystem and judges whether alarming is needed or not, if so, the control state alarming module alarms, and if not, the control state alarming module does not alarm.

8. The measurement and control integrated motor cluster measurement and control method according to claim 7, characterized in that: the step S3 of processing the received information includes the following steps:

s31: the data preprocessing module identifies information sources;

s32: the signal characteristic extraction module extracts motor condition characteristics and motor state characteristics in the received information;

s33: the signal pattern recognition module recognizes whether the extracted features are motor working condition features or motor state features, and if the extracted features are the motor working condition features, the extracted features are compared with features in a working condition feature library; and if the motor state characteristics exist, comparing the extracted characteristics with the characteristics in the health state characteristic library.

Technical Field

The invention relates to the field of motors, in particular to a measurement and control integrated motor, a cluster measurement and control system and a cluster control method.

Background

The motors are widely applied to various working scenes such as warehouse logistics, port machinery, automatic production lines and the like, a plurality of motors are required to be distributed on a working site in a cluster mode in the working scene, and a system-level transmission function is achieved by controlling the linkage of the plurality of motors. In the running process of the motor cluster, the working conditions and health states of each motor are different, the motor cluster needs to be started, stopped, accelerated or decelerated for motion control, and maintenance is carried out according to the health states of different motors.

At present, aiming at the control problem of a speed reducing motor cluster, a scheme of a distributed control unit is generally adopted on a speed reducing motor working site, the distributed control unit is erected to simultaneously control a plurality of speed reducing motors in a certain area, and the distributed control unit uniformly uploads signals to a master control unit, so that the cable cost and the wiring workload are reduced. To the state monitoring and intelligent maintenance requirement of equipment, generally adopt the state signal who gathers the sensor more, include: the oil temperature, the vibration, the rotating speed, the winding temperature, the current and the like are uploaded to the cloud end through the gateway, signal analysis and intelligent diagnosis are carried out at the cloud end, and a maintenance strategy is provided for the speed reduction motor cluster. The distributed control and monitoring of the speed reducing motor equipment cluster at present has the following problems: (1) the existing control system and the state monitoring system belong to two systems, hardware equipment redundancy with similar functions is caused in the aspect of hardware, and various signals are easy to form mutual interference in an industrial field; (2) the power cables, the control signal cables and the state monitoring signal cables for the cluster-distributed gear motor equipment form loops respectively, so that the problems of excessive cables, large wiring workload and the like are caused, the operation errors of field installation and debugging personnel are easily caused, and more fault hidden trouble points exist; (3) the separation of the control system and the monitoring system causes the cost of a power supply cable, a control signal cable and a state monitoring signal wireless transmitting device used by the speed reducing motor equipment cluster and the cost of wiring working hours.

Disclosure of Invention

The invention mainly solves the problems and provides a measurement and control integrated motor, a cluster measurement and control system and a cluster control method, wherein the measurement and control integrated motor, the cluster measurement and control system and the cluster control method have distributed control and state detection functions and can reduce cable arrangement.

The technical scheme adopted by the invention for solving the technical problem is that the measurement and control integrated motor comprises a motor and a measurement and control device, wherein the measurement and control device is arranged on the motor and comprises a shell, a frequency converter, a power supply wiring terminal, a data processing unit and a signal wiring terminal, the data processing unit is respectively connected with the frequency converter and the signal wiring terminal, the data processing unit is also connected with a sensor for detecting the running information of the motor, the frequency converter is connected with the motor, and the power supply wiring terminal is connected with an external power supply to supply power for the measurement and control device and the sensor.

The data processing unit obtains the motor running information through the sensor, receives external control information and controls the motor through the frequency converter, and the data processing unit transmits or receives the information to the outside through the signal wiring terminal, so that the uploading and remote control of the information of the motor are realized.

As a preferable scheme of the above scheme, the housing includes a housing and a housing cover, wiring ports for signal lines, power lines and sensor connection lines to pass through are provided on two sides of the housing, and the housing is further provided with a heat sink. The casing can protect the converter and the data processing unit of setting in the casing, can also avoid staff direct contact power binding post, and the wiring mouth is convenient for measurement and control device's wiring.

As a preferable scheme of the above scheme, a rectifier is further arranged in the frequency converter, a first end of the rectifier is connected with a live wire of an external power supply, the other end of the rectifier is connected with a relay coil, and a relay contact is connected with a motor internal contracting brake. The relay is used for controlling the motor brake, when the frequency converter is electrified, the rectifier is electrified, the brake is opened, the motor operates, and the motor is allowed to operate after the frequency converter is electrified.

The invention also provides a measurement and control integrated motor cluster measurement and control system which comprises a plurality of measurement and control integrated motors, a signal acquisition subsystem, a signal and power transmission subsystem, a signal processing subsystem and a control and maintenance subsystem, wherein the signal and power transmission subsystem comprises a power line and a signal line, an external power supply is connected with a power connection terminal of a first motor, power connection terminals of adjacent motors are connected through the power line, signal connection terminals of adjacent motors are connected through the signal line, and the signal line is also connected with the signal processing subsystem. Power supply wiring terminals between adjacent motors are connected through power lines, signal wiring terminals between adjacent motors are connected through signal lines, and the power lines and the signal lines respectively form a power line and a signal bus, so that the whole system is simple in circuit and convenient to wire.

As a preferable scheme of the above scheme, the signal processing subsystem includes a signal data preprocessing module, a signal feature extraction module, a signal pattern recognition module and a feature library, and the feature library includes a working condition feature library for storing working conditions of the motor and a health state feature library for storing a state of the motor. After the signal processing subsystem acquires the running information of each motor through a signal line, the information is subjected to preprocessing, feature extraction and pattern recognition in sequence, and the extracted features are compared with features stored in a working condition feature library and a health state feature library in advance according to a pattern recognition result to provide a proper control strategy and a proper maintenance strategy.

As a preferable scheme of the above scheme, the control and maintenance subsystem includes a motor start/stop module for controlling the start/stop of the motor, a motor acceleration/deceleration module for controlling the rotation speed of the motor, and a state alarm module for prompting the staff that the motor is in an abnormal state. And the control and maintenance subsystem controls each motor according to the motor characteristics extracted by the signal processing subsystem.

Correspondingly, the invention also provides a measurement and control integrated motor cluster measurement and control method, which comprises the following steps:

s1: the sensor detects the running information of the motor and transmits the running information to the data processing unit;

s2: the data processing unit transmits the information acquired by the sensor to the signal processing subsystem;

s3: the signal processing subsystem processes the received information;

s4: the control and maintenance subsystem controls the motor according to the processing result of the signal processing subsystem and judges whether alarming is needed or not, if so, the control state alarming module alarms, and if not, the control state alarming module does not alarm.

The motor operation information is transmitted to the signal processing subsystem through the signal wire, the signal processing subsystem processes the information and compares the information with prestored information, convenience is provided for control, maintenance and repair of the motor, alarm can be given according to the compared information, and workers can timely find that the motor is in an abnormal state.

As a preferable scheme of the above scheme, the processing the received information in step S3 includes the following steps:

s31: the data preprocessing module identifies information sources;

s32: the signal characteristic extraction module extracts motor condition characteristics and motor state characteristics in the received information;

s33: the signal pattern recognition module recognizes whether the extracted features are motor working condition features or motor state features, and if the extracted features are the motor working condition features, the extracted features are compared with features in a working condition feature library; and if the motor state characteristics exist, comparing the extracted characteristics with the characteristics in the health state characteristic library. And the identification of the source, the characteristics and the type of the information is realized.

The invention has the advantages that: the measurement and control device is arranged to provide a hardware basis for cluster measurement and control of the motor; the measurement and control integrated motor is connected by adopting a series connection type wiring method, so that the field wiring cost and time are saved; the data processing subsystem acquires and stores the motion and running state of the motor cluster and provides data support for cluster control and maintenance strategies of the motor.

Drawings

Fig. 1 is a schematic perspective view of a measurement and control integrated motor according to the present invention.

Fig. 2 is a schematic perspective view of a measurement and control device according to the present invention.

Fig. 3 is an electrical schematic diagram of the measurement and control integrated motor of the present invention.

Fig. 4 is a schematic block diagram of a measurement and control integrated motor cluster control system according to the present invention.

Fig. 5 is a wiring schematic diagram of the measurement and control integrated motor cluster control system in the invention.

Fig. 6 is a schematic flow chart of a control method of a measurement and control integrated motor cluster according to the present invention.

FIG. 7 is a flow chart of information processing according to the present invention.

The system comprises a 1-measurement and control device 2-a speed reducing motor 3-a vibration sensor 4-a motor reduction box 5-a temperature sensor 6-a frequency converter 7-220V/24V power supply wiring terminal 8-a signal wiring terminal 9-380V power supply wiring terminal 10-an outlet 11-a radiator 12-a measurement and control integrated motor 13-a signal acquisition subsystem 14-a signal and circuit transmission subsystem 15-a signal processing subsystem 16-a control and maintenance subsystem 17-a power line 18-a signal line.

Detailed Description

The technical solution of the present invention is further described below by way of examples with reference to the accompanying drawings.