CN108958107A - A kind of electromotor remote control system and method - Google Patents
A kind of electromotor remote control system and method Download PDFInfo
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- CN108958107A CN108958107A CN201810684764.5A CN201810684764A CN108958107A CN 108958107 A CN108958107 A CN 108958107A CN 201810684764 A CN201810684764 A CN 201810684764A CN 108958107 A CN108958107 A CN 108958107A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Automation & Control Theory (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The present invention provides a kind of electromotor remote control system and methods, the control system includes: motor, current transformer, sensor, photoisolator, controller and radio transmission apparatus, one end of sensor and one end of motor connect, the other end of sensor and the first end of photoisolator connect, the second end of photoisolator and the first end of current transformer connect, the second end of current transformer and the other end of motor connect, and the third end of current transformer is connect with power supply line；The third end of photoisolator and one end of controller connect, and the other end of controller and one end of radio transmission apparatus connect, and the other end of radio transmission apparatus is connect with antenna, and antenna is connect with terminal.The running state parameter of motor is monitored by sensor, and the running state parameter of motor is sent to controller by wireless device, remotely motor is monitored and is controlled convenient for user, user can remotely have found faulty motor in time, and motor is monitored and is controlled convenient for user.
Description
Technical field
The present invention relates to motor monitoring field more particularly to a kind of electromotor remote control system and methods.
Background technique
With science and technology fast development, industrial production and life in, alternating current generator using very extensive.Motor conduct
The output source of power, motor play the role of vital in kinematic system, once motor breaks down, whole system will
It is affected.Therefore, the normal operation for maintaining motor is the top priority of maintenance system.
In the prior art, user is usually that artificial scene is monitored to the status monitoring of motor, to each motor into
The intuitive inspection of row, this monitoring mode workload is bigger, cannot find that the motor to break down, working efficiency are lower in time.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of electromotor remote control system
And method.
The technical scheme to solve the above technical problems is that a kind of electromotor remote control system, the control system
Include: motor, current transformer, sensor, photoisolator, controller and radio transmission apparatus, one end of the sensor with
One end of the motor connects, and the other end of the sensor is connect with the first end of the photoisolator, the photoelectricity every
It is connect from the second end of device with the first end of the current transformer, the other end of the second end of the current transformer and the motor connects
It connects, the third end of the current transformer is connect with power supply line；The third end of the photoisolator and one end of the controller connect
Connect, the other end of the controller is connect with one end of the radio transmission apparatus, the other end of the radio transmission apparatus with
Antenna connection, the antenna are connect with terminal.
The beneficial effects of the present invention are: monitoring the running state parameter of motor by sensor, and by the operation shape of motor
State parameter is sent to controller by wireless device, then according to the control instruction of the user's remote input received control electricity
Machine is remotely monitored and controls to motor convenient for user, and user can remotely have found faulty motor in time, is convenient for user
Motor is monitored and is controlled, is improved work efficiency, the labor intensity of user is reduced.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the current transformer is AC-DC-AC current transformer, and the first end transmission of the current transformer is direct current,
What the second end of the current transformer and third end were transmitted is alternating current.
Beneficial effect using above-mentioned further scheme is: the setting of current transformer, can be alternating current by DC power conversion,
It is direct current by convert alternating current, adapts to demand different to electric current between different components, reduce production cost, convenient for control system
The installation and maintenance of system.
Further, the sensor are as follows: voltage sensor and/or current sensor and/or temperature sensor and/or turn
Fast sensor.
Using the beneficial effect of above-mentioned further scheme is: sensor for voltage sensor and/or current sensor and/or
Temperature sensor and/or speed probe allow sensor to monitor the three-phase voltage, electric current, motor winding temperature of motor
And revolving speed, by extracting many-sided parameter of motor, the operating status of comprehensive assessment motor improves the monitoring essence of monitoring terminal
Degree improves the reliability of monitoring terminal.
Further, the power input of the motor is arranged in the voltage sensor and the current sensor；
The temperature sensor is arranged in the inner walls of the motor；The rotation axis of the motor is arranged in the speed probe
On.
Beneficial effect using above-mentioned further scheme is: sensor being arranged in the specific position of motor, convenient for sensing
Device detects the operating status of motor, improves the detection accuracy of sensor, improves the reliability of control system.
Further, radio transmission apparatus includes: Zigbee radio frequency chip, the Zigbee radio frequency chip and the control
Device and terminal connection.
Beneficial effect using above-mentioned further scheme is: the setting of Zigbee radio frequency chip, so that Zigbee radio frequency core
Piece, on the one hand, receive the data and instruction of DSP control module, and realize Zigbee communication format by less radio-frequency function
Wireless interaction communication transfer；On the other hand, also receive the data and instruction transmitted from other Zigbee communication apparatus, realize
The remote monitoring and control of controller and AC Motor Control system.
In addition, the present invention also provides a kind of motor long-range control methods, based on one described in any of the above-described claim
Electromotor remote control system is planted, which includes the following steps,
Receive the control instruction of user's input；
According to the control instruction, motor is controlled.
The beneficial effects of the present invention are: realizing long-range control of the user to motor by the control instruction for receiving user's input
System, is remotely monitored and controls to motor convenient for user, and user can remotely have found faulty motor in time, is convenient for user
Motor is monitored and is controlled, is improved work efficiency, the labor intensity of user is reduced.
Based on the above technical solution, the present invention can also be improved as follows.
Further, further includes:
Acquire the running state parameter of motor；
The running state parameter of the motor and the first preset value are compared, judge the operating status ginseng of the motor
Whether number is greater than first preset value,
If so, sending warning message to terminal.
Beneficial effect using above-mentioned further scheme is: by the above method, allow controller according to preset value,
Judge whether motor is in normal operating conditions, if motor operation is abnormal, warning reminding is carried out to user in time if controller.
Further, the running state parameter of the motor includes: voltage value and/or current values and/or temperature number
Value and/or speed revolution value.
Beneficial effect using above-mentioned further scheme is: many-sided parameter by extracting motor, comprehensive assessment motor
Operating status, improve monitoring terminal monitoring accuracy, improve monitoring terminal reliability.
Further, first preset value includes: voltage preset value and/or electric current preset value and/or temperature preset value
And/or revolving speed preset value.
Beneficial effect using above-mentioned further scheme is: the design of preset value, allow user according to actual needs
The autonomous normal operational parameters for determining motor, improve the application field of control system, the user-friendly embodiment of the present invention
Control system is monitored motor, reduces the labor intensity of user.
Further, further includes:
Acquire the running state parameter of current transformer；
The running state parameter of the current transformer and the second preset value are compared, judge the operation shape of the current transformer
Whether state parameter is greater than second preset value,
If so, sending warning message to terminal.
Beneficial effect using above-mentioned further scheme is: the feedback system by designing current transformer, so that control system
The operating status of current transformer can be monitored in real time, find the abnormal work of current transformer in time, prevent voltage or current excessive, lead
Component is caused to be burned out.
Detailed description of the invention
Fig. 1 is the schematic block diagram of control system provided in an embodiment of the present invention.
Fig. 2 is one of the schematic flow chart of control method provided in an embodiment of the present invention.
Fig. 3 is the two of the schematic flow chart of control method provided in an embodiment of the present invention.
Fig. 4 is the four of the schematic flow chart of control method provided in an embodiment of the present invention.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figures 1 to 4, Fig. 1 is the schematic block diagram of control system provided in an embodiment of the present invention.Fig. 2 is
One of the schematic flow chart of control method provided in an embodiment of the present invention.Fig. 3 is control method provided in an embodiment of the present invention
Schematic flow chart two.Fig. 4 is the four of the schematic flow chart of control method provided in an embodiment of the present invention.
Embodiment 1
The embodiment of the invention provides a kind of electromotor remote control system, which includes: motor, current transformer, biography
Sensor, photoisolator, controller and radio transmission apparatus, one end of the sensor are connect with one end of the motor,
The other end of the sensor is connect with the first end of the photoisolator, the second end of the photoisolator and the change
The first end connection of device is flowed, the second end of the current transformer is connect with the other end of the motor, the third end of the current transformer
It is connect with power supply line；The third end of the photoisolator is connect with one end of the controller, the other end of the controller
It is connect with one end of the radio transmission apparatus, the other end of the radio transmission apparatus is connect with antenna, the antenna and end
End connection.
Motor becomes driving device indispensable in production and living as most important power source.Many industry now
Dynamical system all realizes control based on network.Control based on network is also used to the drive control of alternating current generator, is Industry Control neck
The trend in domain.Wireless networked control is realized to the long-range control of alternating current generator, is the realization function of this equipment.
The controller collection is at DSP (Digital Signal Processing, the Digital Signal Processing) technology, Internet of Things of utilization
Net ZigBee (purple honeybee) technology, IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor)
Semiconductor Converting Technology and SVPWM (Space Vector Pulse Width Modulation, three-phase inverter difference switching mode)
Inversion transformation technique, vector control technology etc. realize the wireless networked long-range control of middle low power alternating current generator.The tool of the equipment
Body function is as follows:
(1) use DSP technology, using dsp chip as control core, to the voltage of alternating current generator, electric current, frequency, revolving speed into
Then row real-time measurement carries out SVPWM inverter control with vector control algorithm, realizes closing for middle low power alternating current generator
Ring vector controlled.
(2) IGBT Semiconductor Converting Technology is used, realizes according to controller needs, carries out the inversion of DC-AC voltage.Inverter by
Six road PWM (Pulse Width Modulation, pulse width modulation) signal control of dsp chip output, can export 10-
The frequency-changing AC voltage of 100Hz, 400V meet the middle low power alternating current generator demand for being less than or equal to 50KW.
(3) Internet of Things ZigBee technology is used, can be realized the real-time monitoring to motor operating parameter itself, including exchange
Motor three-phase voltage, electric current, motor winding temperature, revolving speed；And it can be with ZigBee Radio Transmission Technology and other Zigbee equipment
Carry out wireless data alternating transmission；Long-range monitoring and control are realized whereby.
(4) multiple controllers can be realized ZigBee networking monitoring.On the one hand this controller receives DSP control module
Data and instruction, and realize by less radio-frequency function the wireless interaction communication transfer of Zigbee communication format.On the other hand
Also receive the data and instruction transmitted from other Zigbee communication apparatus, realize the remote of controller and AC Motor Control system
Journey is monitored and controlled.
The equipment with lower module mainly by being formed: AC-DC-AC converter module, signal acquisition module, Phototube Coupling control
Module, DSP control module and wireless transport module.
(1) AC-DC-AC converter module is mainly constituted with IGBT mould group, rectifier bridge and filtering, protection circuit.Wherein
IGBT mould group receives DSP control module and is controlled by the pwm signal that Phototube Coupling control module transmits, and needs so as to realizing
Frequency-changing AC voltage；And itself can feed back to DSP control module fault-signal.
(2) signal acquisition module mainly realize three-phase voltage, electric current, revolving speed and the motor of current transformer and alternating current generator around
The supplemental characteristics such as group temperature, current transformer D/C voltage, current transformer frequency acquire in real time.Using voltage sensor LCTV31CE, electric current
Sensors A CS712, temperature sensor DS18B20 and speed probe A3144E constitute parameter of electric machine Acquisition Circuit, using signal
The data of current transformer parameter are adopted in current transformer forceful electric power DC DC voltage Acquisition Circuit, the realization of AC inverter output frequency sample circuit
Collection.
(3) Phototube Coupling control module is mainly with Phototube Coupling signal circuit, sensor signals amplification conditioning electricity
Road two large divisions is constituted.Wherein Phototube Coupling signal circuit is mainly to strong between DSP control module and converter module
Electricity and weak electric signal carry out Phototube Coupling；Sensor signals amplification conditioning is mainly to the parameters detection sensing letter of current transformer
Number realize detection signal acquisition and signal conversion, with can with CPU (Central Processing Unit/Processor,
Central processing unit) chip directly acquires.The model of controller can be with are as follows: MAM-100.
(4) DSP control module is led to using dsp chip as control core by DSP minimum system circuit, filtering wave circuit, serial ports
Circuit, data storage circuitry and man-machine interface circuit etc. is interrogated to constitute.Receive the sensing data from Phototube Coupling signaling module
Signal is acquired, and issues the various control signals for being transmitted to converter module, comprising: PWM (Sinusoidal PWM) controls signal.
In software function, DSP realizes each control task scheduling, control algolithm calculating, error protection and alarm treatment etc. function.
(5) wireless transport module design Zigbee radio frequency chip be core, mainly by radio frequency chip minimum system circuit,
DSP telecommunication circuit and auxiliary circuit are constituted.On the one hand the module receives the data and instruction of DSP control module, and by wireless
Radio-frequency enabled realizes the wireless interaction communication transfer of Zigbee communication format.On the other hand also receive logical from other Zigbee
The data and instruction that news equipment transmits, realizes the remote monitoring and control of controller and AC Motor Control system.
Digital signal processor (digital signal processor), Digital Signal Processing is by signal with number
The theory and technology that mode is indicated and handled.Digital Signal Processing and analog signal processing are the subsets of signal processing.
Photoisolator (optoelectronic isolator, english abbreviation OC) is also known as photoelectrical coupler, optical coupling
Device, abbreviation optocoupler.Photo-coupler is using light as media transmission electric signal.It has good buffer action to input, output electric signal.
The running state parameter of motor is monitored by sensor, and the running state parameter of motor is sent out by wireless device
It send to controller, then according to the control instruction of the user's remote input received control motor, convenient for user remotely to motor
It is monitored and controls, user can remotely have found faulty motor in time, and motor is monitored and is controlled convenient for user
System, improves work efficiency, reduces the labor intensity of user.
Further, the current transformer is AC-DC-AC current transformer, and the first end transmission of the current transformer is direct current,
What the second end of the current transformer and third end were transmitted is alternating current.
DC power conversion can be alternating current, be direct current by convert alternating current, adapt to different portions by the setting of current transformer
The demand different to electric current between part reduces production cost, convenient for the installation and maintenance of control system.
Further, the sensor are as follows: voltage sensor and/or current sensor and/or temperature sensor and/or turn
Fast sensor.
Sensor is voltage sensor and/or current sensor and/or temperature sensor and/or speed probe, so that
Sensor can monitor three-phase voltage, electric current, motor winding temperature and the revolving speed of motor, be joined by extracting the many-sided of motor
Number, the operating status of comprehensive assessment motor improve the monitoring accuracy of monitoring terminal, improve the reliability of monitoring terminal.
Further, the power input of the motor is arranged in the voltage sensor and the current sensor；
The temperature sensor is arranged in the inner walls of the motor；The rotation axis of the motor is arranged in the speed probe
On.
Sensor is arranged in the specific position of motor, is detected convenient for operating status of the sensor to motor, is improved
The detection accuracy of sensor improves the reliability of control system.
Embodiment 5
Further, radio transmission apparatus includes: Zigbee radio frequency chip, the Zigbee radio frequency chip and the control
Device and terminal connection.
The setting of Zigbee radio frequency chip, so that Zigbee radio frequency chip, on the one hand, receive the data of DSP control module
And instruction, and realize by less radio-frequency function the wireless interaction communication transfer of Zigbee communication format；On the other hand, it also connects
By the data and instruction transmitted from other Zigbee communication apparatus, the long-range prison of controller and AC Motor Control system is realized
It surveys and controls.
Embodiment 2
On the basis of embodiment 1, a kind of motor long-range control method is present embodiments provided, based on described in embodiment 1
A kind of electromotor remote control system, which includes the following steps,
S101 receives the control instruction of user's input；
S102 controls motor according to the control instruction.
By receiving the control instruction of user's input, long-range control of the user to motor is realized, convenient for user remotely to electricity
Machine is monitored and controls, and user can remotely have found faulty motor in time, motor is monitored convenient for user and
Control, improves work efficiency, reduces the labor intensity of user.
Further, further includes:
S201 acquires the running state parameter of motor；
S202 compares the running state parameter of the motor and the first preset value, judges the operation of the motor
Whether state parameter is greater than first preset value,
S203, if so, sending warning message to terminal.
By the above method, allows controller according to preset value, judge whether motor is in normal operating conditions, such as
Fruit motor operation is abnormal, and controller then carries out warning reminding to user in time.
Further, the running state parameter of the motor includes: voltage value and/or current values and/or temperature number
Value and/or speed revolution value.
By extracting many-sided parameter of motor, the operating status of comprehensive assessment motor improves the monitoring essence of monitoring terminal
Degree improves the reliability of monitoring terminal.
Further, first preset value includes: voltage preset value and/or electric current preset value and/or temperature preset value
And/or revolving speed preset value.
The design of preset value allows user independently to determine the normal operational parameters of motor according to actual needs, improves
The control system of the application field of control system, the user-friendly embodiment of the present invention is monitored motor, reduces user
Labor intensity.
Further, further includes:
S301 acquires the running state parameter of current transformer；
S302 compares the running state parameter of the current transformer and the second preset value, judges the current transformer
Whether running state parameter is greater than second preset value,
S303, if so, sending warning message to terminal.
By designing the feedback system of current transformer, so that the operating status of current transformer can be monitored in real time in control system, and
The abnormal work of Shi Faxian current transformer prevents voltage or current excessive, component is caused to be burned out.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of electromotor remote control system, which is characterized in that the control system includes: motor, current transformer, sensor, photoelectricity
Isolator, controller and radio transmission apparatus,
One end of the sensor is connect with one end of the motor, the other end of the sensor and the photoisolator
First end connection, the second end of the photoisolator are connect with the first end of the current transformer, the second end of the current transformer
It is connect with the other end of the motor, the third end of the current transformer is connect with power supply line；
The third end of the photoisolator is connect with one end of the controller, the other end of the controller and described wireless
One end of transmission device connects, and the other end of the radio transmission apparatus is connect with antenna, and the antenna is connect with terminal.
2. a kind of electromotor remote control system according to claim 1, which is characterized in that the current transformer is AC-DC-AC
Current transformer, the current transformer first end transmission be direct current, the second end of the current transformer and third end transmission it is equal
For alternating current.
3. a kind of electromotor remote control system according to claim 1, which is characterized in that the sensor are as follows: voltage passes
Sensor and/or current sensor and/or temperature sensor and/or speed probe.
4. a kind of electromotor remote control system according to claim 3, which is characterized in that the voltage sensor and institute
State the power input that the motor is arranged in current sensor；The inner walls of the motor are arranged in the temperature sensor
On；The speed probe is arranged in the rotation axis of the motor.
5. a kind of electromotor remote control system according to claim 1, which is characterized in that radio transmission apparatus includes:
Zigbee radio frequency chip, the Zigbee radio frequency chip are connect with the controller and terminal.
6. a kind of motor long-range control method, which is characterized in that based on one kind described in claim 1 to 5 any claim
Electromotor remote control system, the control method include the following steps,
Receive the control instruction of user's input；
According to the control instruction, motor is controlled.
7. a kind of motor long-range control method according to claim 6, which is characterized in that further include:
Acquire the running state parameter of motor；
The running state parameter of the motor and the first preset value are compared, judge that the running state parameter of the motor is
It is no to be greater than first preset value,
If so, sending warning message to terminal.
8. a kind of motor long-range control method according to claim 7, which is characterized in that the operating status of the motor is joined
Number includes: voltage value and/or current values and/or temperature value and/or speed revolution value.
9. a kind of motor long-range control method according to claim 8, which is characterized in that first preset value includes:
Voltage preset value and/or electric current preset value and/or temperature preset value and/or revolving speed preset value.
10. a kind of motor long-range control method according to claim 6, which is characterized in that further include:
Acquire the running state parameter of current transformer；
The running state parameter of the current transformer and the second preset value are compared, judge the operating status ginseng of the current transformer
Whether number is greater than second preset value,
If so, sending warning message to terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810684764.5A CN108958107A (en) | 2018-06-28 | 2018-06-28 | A kind of electromotor remote control system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810684764.5A CN108958107A (en) | 2018-06-28 | 2018-06-28 | A kind of electromotor remote control system and method |
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| CN110276855A (en) * | 2019-06-27 | 2019-09-24 | 辛全双 | Motor device intelligence supervisory systems and method based on technology of Internet of things |
| CN110426635A (en) * | 2019-09-09 | 2019-11-08 | 周封 | Intelligent electric machine terminal box integral type multi-parameter internet of things sensors |
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Application publication date: 20181207 |
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| RJ01 | Rejection of invention patent application after publication |