CN106200475B - A kind of method of electrical wireless control - Google Patents
A kind of method of electrical wireless control Download PDFInfo
- Publication number
- CN106200475B CN106200475B CN201610612307.6A CN201610612307A CN106200475B CN 106200475 B CN106200475 B CN 106200475B CN 201610612307 A CN201610612307 A CN 201610612307A CN 106200475 B CN106200475 B CN 106200475B
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- Prior art keywords
- control
- control system
- wireless data
- transmission unit
- data transmission
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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
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Selective Calling Equipment (AREA)
Abstract
The present invention relates to a kind of methods of electrical wireless control, design it is a set of include an operating device and a control device control system, operating device carries out mobile deployment according to the usage requirement, control device is mounted in electromagnetism station, communicates wirelessly connection and data exchange by GPRS General Packet Radio Service net between two devices；It realizes from the GPRS DTU wireless data transmission unit of control device and reads the equipment control command sent from operating device, realize and electric operation is carried out to electric control system.Its advantage is that: production equipment manipulates place without geographical restrictions, can flexible deployment as needed；Save the purchase cost and cable wiring manufacture cost of cable；It eliminates to the security risk of the person and production equipment around.
Description
Technical field
The present invention relates to a kind of methods of electrical wireless control, are mainly used in iron and steel metallurgy enterprise, when production equipment makes
With when relay, contactor control system or frequency converter control system from the power distribution cabinet at electromagnetism station to production scene Operation switch
Electrical connection control, belongs to the electrical control and field of network communication of iron and steel metallurgy industry.
Background technique
There are many production equipment in iron and steel metallurgy enterprise, whether using relay, contactor control system or make
Electrical drive control system is carried out with frequency converter, is typically mounted on electrical equipment in the power distribution cabinet at electromagnetism station, and is existing from production
The station of field carries out operation control to production equipment using Operation switch.At this time, it is necessary to draw from the connecting terminal of power distribution cabinet
Multi-core controlled cable out, and be routed to by cable duct or penetration pipe etc. the station of production scene, then corresponding to station give birth to
The Operation switch for producing equipment carries out wiring connection.In reality production, work condition environment of these control cables due to production scene
Complexity, for example, since conductive dust is big, due to leak or high temperature ageing etc., often will cause electric discontinuity of cable, short circuit, ground connection or leakage
The control cable of situations such as electric, especially relay, contactor control system from electromagnetism station to station, because of the work electricity of cable
Pressure is mostly AC 220 V or 380 volts of high pressure, once the failures such as cable leakage, short circuit or ground connection occur, often will cause cable burning
Damage, or even can be endangered to the person and equipment belt of surrounding.
Summary of the invention
The object of the present invention is to provide a kind of by the way of wireless telecommunications connection, replaces from the power distribution cabinet at electromagnetism station to life
The method for producing the electrical wireless control of the cable connection of execute-in-place switch, is not needed using method of the invention in electromagnetism station
Electrical system make any change, only electrical system need to be formerly used for connection production scene Operation switch connecting terminal and this
The corresponding connecting terminal connection of control device in the method for invention.
Technical scheme is as follows:
Design it is a set of include an operating device and a control device control system, operating device can be according to using
Mobile deployment is carried out, control device is mounted in electromagnetism station, passes through GPRS General Packet Radio Service between two devices
Net communicates wirelessly connection and data exchange；The hardware of control system is with single-chip microcontroller and GPRS DTU wireless data transmission unit
It is designed for core；Operating device is equipped with a toggle switch and is arranged for operating mode, according to different electrical systems, behaviour
The eligible operating mode of control system includes: relay-contactor control system Unidirectional control runback bit pattern, relay
The forward and reverse operating of contactor control system controls runback bit pattern, and relay-contactor control system Unidirectional controls self-locking mode
Formula, the forward and reverse operating of relay-contactor control system control self-locking mode, the self-locking mode of frequency converter control system；Operating device
If, for controlling production equipment progress Unidirectional control or forward and reverse operating, this four buttons are opened there are four button switch
There is different requirements in pass under different working modes；It is programmed by the single-chip microcontroller to operating device, reads dial-up
The setting numerical value of switch simultaneously stores, and by programming, operating mode function blocks is arranged, under the operating mode of setting
It reads the operation input of associated button switch and generates corresponding control command；It is compiled by the single-chip microcontroller to operating device
MODBUS RTU Communication processing functional block is arranged to realize that the control command by button switch sends the GPRS of operating device in journey
DTU wireless data transmission unit, then GPRS General Packet Radio Service net is passed through by the GPRS DTU wireless data transmission unit
It is sent to the control device at electromagnetism station；Control device is equipped with output interface for operating electric control system, these interfaces by
Single-chip microcontroller delivery outlet, phototube coupling unit, intermediate relay and connecting terminal are constituted；It is carried out by the single-chip microcontroller to control device
MODBUS RTU Communication processing functional block is arranged in programming, to realize the GPRS DTU wireless data transmission unit from control device
The equipment control command sent from operating device is read, and by programming, equipment control function block is set, to realize according to not
The operation that same equipment control command starts or stops electric control system.
The invention has the advantages that do not need to make any change to the electrical system in electromagnetism station using method of the invention,
The connecting terminal that electrical system need to be only formerly used for connection production scene Operation switch is corresponding with control device of the invention
Connecting terminal connection.The present invention needs to operate with production scene again by control cable with original from electromagnetism station power distribution cabinet
The mode that the Operation switch of platform is electrically connected is compared, and has the advantages that production equipment manipulation place without geographical restrictions,
It can flexible deployment as needed；Save the purchase cost and cable wiring manufacture cost of cable；It eliminates and the person around and production is set
Standby security risk.
Detailed description of the invention
Fig. 1 is control system electrical connection and wireless telecommunications connection schematic diagram in method of the invention；
Fig. 2 is control device electrical principle block diagram in method of the invention；
Fig. 3 is operating device electrical principle block diagram in method of the invention；
Fig. 4 is working-flow figure of the invention.
Specific embodiment
Embodiment:
In actual production, common relay, contactor control system and frequency converter control system have Unidirectional control
System and forward and reverse operating such as control at the electric control systems, in addition, button switch that these electric control systems are operated or
Universal change-over switch has Self-resetting or self-locking two kinds of working methods again, and in response to this, the present invention is arranged by toggle switch
And software programming, devise five kinds of control system optional operating modes so as to from different relays, contactor control system
Or frequency converter carries out matching connection, this five kinds of operating modes are respectively: the control of relay-contactor control system Unidirectional is certainly
Reset mode, the forward and reverse operating of relay-contactor control system control runback bit pattern, relay-contactor control system list
Self-locking mode is controlled to operating, the forward and reverse operating of relay-contactor control system controls self-locking mode and frequency converter control system
Self-locking mode needs the electric control system according to actual use in application method of the invention, by the way that toggle switch is arranged,
Select a kind of specific operating mode.
As shown in Figure 1, for control system electrical connection and wireless telecommunications connection schematic diagram in method of the invention, in conjunction with figure
1, control device of the invention is mounted in the power distribution cabinet at electromagnetism station, in electric control system wiring diagram for connecting external behaviour
The connecting terminal for making to switch is correspondingly connected on the corresponding connecting terminal that control device of the present invention is indicated；Operation of the present invention device
It is mounted on the station of production scene or moves according to production needs and be deployed to other operation places；In electromagnetism station of the present invention
Control device and the operating device of mobile deployment all include a GPRS DTU wireless data transmission unit, lead between two devices
It crosses GPRS DTU wireless data transmission unit and establishes wireless telecommunications through GPRS General Packet Radio Service net and connect line number of going forward side by side
According to exchange.
As shown in Fig. 2, for control device electrical principle block diagram in method of the invention.In conjunction with Fig. 2, control dress of the invention
It sets by Switching Power Supply, single-chip microcontroller, two phototube coupling units, MAX485 communication chip, DB9 communications connectors, K1~K4 tetra-
Intermediate relay, GPRS DTU wireless data transmission unit, SIM mobile phone card and connecting terminal are constituted.Switching Power Supply be single-chip microcontroller,
Phototube coupling unit, MAX485 chip, GPRS DTU wireless data transmission unit and intermediate relay etc. provide DC operation electricity
Source；MAX485 chip is connect with the serial communication interface of single-chip microcontroller and DB9 communications connectors respectively, meanwhile, DB9 communications connectors with
The communication terminal of GPRS DTU wireless data transmission unit connects, to constitute the bottom hardware connection of RS485 communications protocol；
SIM mobile phone card is inserted into the SIM card slot of GPRS DTU wireless data transmission unit, copes with the mobile phone card number in actual operation and opens
The online packet traffic service that open network operator provides；The coil of tetra- intermediate relays of K1~K4 respectively with phototube coupling unit
Output end connection, the delivery outlet of the input terminal of phototube coupling unit and single-chip microcontroller connects；Choose K1~K4 tetra- intermediate relays
The opened point of device and normally closed point are connected on corresponding connecting terminal, and pair of wire connection terminals packet numbering makes a check mark, with facilitate with
Different electric control systems carries out matching connection.
As shown in figure 3, for operating device electrical principle block diagram in method of the invention.In conjunction with Fig. 3, operation dress of the invention
It sets by Switching Power Supply, single-chip microcontroller, two phototube coupling units, toggle switch, MAX485 communication chip, DB9 communications connectors,
GPRS DTU wireless data transmission unit, SIM mobile phone card, two normally open push button switches and two normally closed push button switches etc. are constituted.
Switching Power Supply is single-chip microcontroller, phototube coupling unit, MAX485 chip, GPRS DTU wireless data transmission unit and button switch
On-off signal provides DC supply；MAX485 chip respectively with the serial communication interface of single-chip microcontroller and DB9 communications connectors
Connection, meanwhile, DB9 communications connectors are connect with the communication terminal of GPRS DTU wireless data transmission unit, to constitute RS485
The bottom hardware of communications protocol connects；SIM mobile phone card is inserted into the SIM card slot of GPRS DTU wireless data transmission unit, in reality
The online packet traffic service that the mobile phone card number opens network operator's offer is coped in the work of border；Two phototube coupling units it is defeated
The connection of the input port of outlet and single-chip microcontroller, the input terminal of phototube coupling unit are connect with the electric terminal of four button switches；It is right
Four button switches choose a pair of of normal opened contact of the first normally opened button, and a pair of of normally closed contact of the first normally closed button, second often
Open a pair of of normal opened contact of button, a pair of of normally closed contact of the second normally closed button, and by these electric terminals respectively with optical isolation
The input terminal of unit is attached；The connection of the input port of toggle switch and single-chip microcontroller, for different electric control systems, need to lead to
Operation toggle switch is crossed, the one of which in five kinds of operating modes of control system is selected, so as to the electric-controlled with actual use
System processed carries out matching connection.
Fig. 4 is working-flow figure of the invention, in conjunction with Fig. 4, the process of system work of the invention are as follows: confirmation equipment
Electric control system wiring diagram, the toggle switch of operation of the present invention device is configured, so as to the electric control system
Matching connection；It will be used to connect peripheral operation in the corresponding connecting terminal and electric control system wiring diagram of control device mark
The connecting terminal of switch is attached；Operating device powers on, and executes initialization program, and the setting numerical value for reading toggle switch is gone forward side by side
Row non-volatile memories, operating mode function blocks carry out relevant treatment, clear operation according to the setting numerical value of toggle switch
The reading cache unit of switch initializes MODBUS RTU Communication processing functional block；Control device powers on, and holds
Row initialization program sets initial value to the output of relay, initializes to MODBUS RTU Communication processing functional block；Behaviour
Make the start stop operation that personnel carry out equipment by the corresponding button switch of operating device；Operating device runs operating mode and handles function
Energy block, reads the operation input of associated button, and generate corresponding control command code, runs MODBUS RTU Communication processing function
Energy block, sends control command code to GPRS DTU wireless data transmission unit, then by GPRS DTU wireless data transmission list
Member is sent to GPRS General Packet Radio Service net and is wirelessly transferred；The control device operation MODBUS RTU communication at electromagnetism station
Function blocks simultaneously read GPRS DTU wireless data transmission unit from the received equipment control of GPRS General Packet Radio Service net
Command code processed, running equipment control function block operate relevant intermediate relay according to equipment control command code,
To realize the operation started or stoped to electric control system.
Claims (4)
1. a kind of method of electrical wireless control, it is characterized in that: it includes an operating device and a control device that design is a set of
Control system, operating device can carry out mobile deployment according to the needs of use, and control device is mounted in electromagnetism station, two dresses
Connection and data exchange are communicated wirelessly by GPRS General Packet Radio Service net between setting；The hardware of control system is with list
Piece machine and GPRS DTU wireless data transmission unit are designed for core；Operating device is equipped with a toggle switch and is used for work
Mode setting, according to different electrical systems, the eligible operating mode of control system includes: relay-contactor control system
Unidirectional controls runback bit pattern, and the forward and reverse operating of relay-contactor control system controls runback bit pattern, and relay connects
Tentaculum control system Unidirectional controls self-locking mode, and the forward and reverse operating of relay-contactor control system controls self-locking mode,
The self-locking mode of frequency converter control system；Operating device is set there are four button switch, for carrying out Unidirectional control to production equipment
System or forward and reverse operating control, this four button switches have different requirements under different working modes；By to behaviour
The single-chip microcontroller for making device is programmed, and is read the setting numerical value of toggle switch and is stored, and by programming, is arranged at operating mode
Functional block is managed, for reading the operation input of associated button switch under the operating mode of setting and generating corresponding control life
It enables；It is programmed by the single-chip microcontroller to operating device, setting MODBUS RTU Communication processing functional block is opened button with realizing
The control command of pass sends the GPRS DTU wireless data transmission unit of operating device to, then is passed by the GPRS DTU wireless data
Defeated unit is sent to the control device at electromagnetism station by GPRS General Packet Radio Service net；Control device is equipped with for operating electricity
The output interface of gas control system, these interfaces are by single-chip microcontroller delivery outlet, phototube coupling unit, intermediate relay and connecting terminal
It constitutes；It is programmed by the single-chip microcontroller to control device, MODBUS RTU Communication processing functional block is set, to realize from control
The GPRS DTU wireless data transmission unit of device reads the equipment control command sent from operating device, and by programming,
Equipment control function block is set, electric control system is started or stoped according to different equipment control commands with realization
Operation；
Control device is by Switching Power Supply, single-chip microcontroller, two phototube coupling units, MAX485 communication chip, DB9 communications connectors,
Tetra- intermediate relays of K1~K4, GPRS DTU wireless data transmission unit, SIM mobile phone card and connecting terminal are constituted, switch electricity
Source is single-chip microcontroller, phototube coupling unit, MAX485 chip, GPRS DTU wireless data transmission unit and intermediate relay provide directly
Flow working power；MAX485 chip is connect with the serial communication interface of single-chip microcontroller and DB9 communications connectors respectively, meanwhile, DB9 communication
Connector is connect with the communication terminal of GPRS DTU wireless data transmission unit, so that the bottom for constituting RS485 communications protocol is hard
Part connection；SIM mobile phone card is inserted into the SIM card slot of GPRS DTU wireless data transmission unit, in actual operation to the mobile phone
Card number opens the online packet traffic service of network operator's offer；The coil of tetra- intermediate relays of K1~K4 respectively with photoelectricity every
Output end connection from unit, the input terminal of phototube coupling unit and the delivery outlet of single-chip microcontroller connect；It chooses in K1~K4 tetra-
Between relay opened point and normally closed point be connected on corresponding connecting terminal, and pair of wire connection terminals packet numbering makes a check mark, with
It is convenient to carry out matching connection from different electric control systems.
2. the method for electrical wireless control according to claim 1, it is characterized in that: control device is mounted on matching for electromagnetism station
In electric cabinet, it is correspondingly connected with for connecting the connecting terminal of peripheral operation switch in control device in electric control system wiring diagram
On the corresponding connecting terminal indicated；Operating device is mounted on the station of production scene or moves according to production needs and is deployed to
Other operation places；The operating device of control device and mobile deployment in electromagnetism station all includes a GPRS DTU without line number
According to transmission unit, pass through GPRS DTU wireless data transmission unit between two devices and through GPRS General Packet Radio Service net
Wireless telecommunications are established to connect and carry out data exchange.
3. the method for electrical wireless control according to claim 1, it is characterized in that: operating device is by Switching Power Supply, monolithic
Machine, two phototube coupling units, toggle switch, MAX485 communication chip, DB9 communications connectors, GPRS DTU wireless data pass
Defeated unit, SIM mobile phone card, two normally open push button switches and two normally closed push button switches are constituted, and Switching Power Supply is single-chip microcontroller, photoelectricity
Isolated location, MAX485 chip, GPRS DTU wireless data transmission unit and button switch On-off signal direct current work is provided
Make power supply；MAX485 chip is connect with the serial communication interface of single-chip microcontroller and DB9 communications connectors respectively, meanwhile, DB9 communication connection
Device is connect with the communication terminal of GPRS DTU wireless data transmission unit, so that the bottom hardware for constituting RS485 communications protocol connects
It connects；SIM mobile phone card is inserted into the SIM card slot of GPRS DTU wireless data transmission unit, in actual operation to the mobile phone card number
The online packet traffic service of network operator's offer is provided；The output end of two phototube coupling units and the input port of single-chip microcontroller connect
It connects, the input terminal of phototube coupling unit is connect with the electric terminal of four button switches；To four button switches, first is chosen often
Open a pair of of normal opened contact of button, a pair of of normally closed contact of the first normally closed button, a pair of of normal opened contact of the second normally opened button,
A pair of of normally closed contact of two normally closed buttons, and these electric terminals are attached with the input terminal of optical isolator element respectively；It dials
The connection of the input port of code switch and single-chip microcontroller need to be by operating toggle switch, selection manipulation for different electric control systems
One of which in five kinds of operating modes of system, to carry out matching connection with the electric control system of actual use.
4. the method for electrical wireless control according to claim 1, it is characterized in that: the electric control system of confirmation equipment connects
Line chart is configured the toggle switch of operating device, to match connection with the electric control system；Control device is identified
Corresponding connecting terminal in electric control system wiring diagram for connect peripheral operation switch connecting terminal be attached；
Operating device powers on, and executes initialization program, reads the setting numerical value of toggle switch and carry out non-volatile memories, operating mode
Function blocks carry out relevant treatment according to the setting numerical value of toggle switch, and the reading cache unit of clear operation switch is right
MODBUS RTU Communication processing functional block initializes；Control device powers on, and initialization program is executed, to relay
Initial value is set in output, is initialized to MODBUS RTU Communication processing functional block；Operator is corresponding by operating device
Button switch carry out equipment start stop operation；Operating device runs operating mode function blocks, reads the behaviour of associated button
It inputs, and generates corresponding control command code, run MODBUS RTU Communication processing functional block, control command code is passed
Give GPRS DTU wireless data transmission unit, then by GPRS DTU wireless data transmission unit be sent to GPRS general packet without
Line service net is wirelessly transferred；The control device operation MODBUS RTU Communication processing functional block at electromagnetism station is simultaneously read
GPRSDTU wireless data transmission unit is set from the received equipment control command code of GPRS General Packet Radio Service net, operation
Standby control function block, operates relevant intermediate relay according to equipment control command code, to realize to electric-controlled
The operation that system processed is started or stoped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610612307.6A CN106200475B (en) | 2016-07-31 | 2016-07-31 | A kind of method of electrical wireless control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610612307.6A CN106200475B (en) | 2016-07-31 | 2016-07-31 | A kind of method of electrical wireless control |
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| Publication Number | Publication Date |
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| CN106200475A CN106200475A (en) | 2016-12-07 |
| CN106200475B true CN106200475B (en) | 2019-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610612307.6A Active CN106200475B (en) | 2016-07-31 | 2016-07-31 | A kind of method of electrical wireless control |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106973479B (en) * | 2017-05-05 | 2023-07-28 | 青岛易来智能科技股份有限公司 | Switching circuit system for intelligent lamp and switching method thereof |
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|---|---|---|---|---|
| CN2272143Y (en) * | 1996-03-29 | 1998-01-07 | 鞍山钢铁公司 | Remote operating controller of circular hoisting machine for blast furnace |
| CN201132926Y (en) * | 2007-12-11 | 2008-10-15 | 河南陆德筑机股份有限公司 | Operation control unit of asphalt mixture regeneration apparatus |
| CN203027026U (en) * | 2013-01-15 | 2013-06-26 | 川铁电气（天津）集团有限公司 | Remote operation and video monitoring system for integrated intelligent isolating switch |
| CN204116932U (en) * | 2014-10-21 | 2015-01-21 | 内蒙古包钢钢联股份有限公司 | Expedition pump station control system |
| CN204905721U (en) * | 2015-09-23 | 2015-12-23 | 东北石油大学 | Intelligent power distribution cabinet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004336727A (en) * | 2003-04-17 | 2004-11-25 | Sharp Corp | Wireless control system, control device, controlled device, device control method, control program, and computer-readable recording medium recording the same |
-
2016
- 2016-07-31 CN CN201610612307.6A patent/CN106200475B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2272143Y (en) * | 1996-03-29 | 1998-01-07 | 鞍山钢铁公司 | Remote operating controller of circular hoisting machine for blast furnace |
| CN201132926Y (en) * | 2007-12-11 | 2008-10-15 | 河南陆德筑机股份有限公司 | Operation control unit of asphalt mixture regeneration apparatus |
| CN203027026U (en) * | 2013-01-15 | 2013-06-26 | 川铁电气（天津）集团有限公司 | Remote operation and video monitoring system for integrated intelligent isolating switch |
| CN204116932U (en) * | 2014-10-21 | 2015-01-21 | 内蒙古包钢钢联股份有限公司 | Expedition pump station control system |
| CN204905721U (en) * | 2015-09-23 | 2015-12-23 | 东北石油大学 | Intelligent power distribution cabinet |
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| CN106200475A (en) | 2016-12-07 |
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