CN106658384A - Industrial wireless sensor network switch control system and method - Google Patents
Industrial wireless sensor network switch control system and method Download PDFInfo
- Publication number
- CN106658384A CN106658384A CN201710029728.0A CN201710029728A CN106658384A CN 106658384 A CN106658384 A CN 106658384A CN 201710029728 A CN201710029728 A CN 201710029728A CN 106658384 A CN106658384 A CN 106658384A
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- control
- control terminal
- terminal
- processing center
- switch
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention relates to an industrial wireless sensor network switch control system and method. The switch control system is characterized by comprising a monitoring processing center, a monitoring terminal and a control terminal; the control terminal is composed of an input switching value and an output switching value and is used for collecting, processing, transmitting and controlling a switching value signal, and communicating with the monitoring terminal in a wireless mode to transmit collected information; the monitoring terminal communicates with the monitoring processing center in the wireless mode, processes and forwards the information of the monitoring processing center to the control terminal, meanwhile processes and forwards the information of the control terminal to an information processing center or other control terminals; and by adoption of the industrial wireless sensor network switch control method, one-to-one, one-to-multiple, multiple-to-one and multiple-to-multiple pairing of the input switching values of the control terminal and the output switching values of the control terminal are realized. The input switching value and the output switching value in the system can be configured, the application field is expanded, the wiring, maintenance cost and the time consumption are reduced, and the working efficiency is improved.
Description
Technical field
The present invention relates to a kind of industrial wireless sensing net on-off control system and method.Category radio communication and embedded system
Technical field.
Background technology
Technical of industrial control system development mainly experiences control, semiautomatic control and intelligentized control method three phases manually.Manually
Control mode does not have Central Control Room, and control is by virtue of experience operated entirely, random big.Semiautomatic control mode terminal operating supplemental characteristic
It is general to be transmitted by wire cable, it is configured from Central Control Room.Terminal unit carries out operation automatically according to the parameter for arranging,
In operation process, necessary intervention can be carried out according to practical situation, it is also possible in Central Control Room arrange parameter or order by having
Line cable controls operation, or carries out controlled in wireless by loading wireless device.The intelligent method of operation mainly adopts remotely control
Pattern, operating personnel is controlled in Central Control Room, sends instruction, and terminal unit is operated according to instruction.In the course of work,
Operating personnel can be monitored and intervene in Central Control Room.If live place is big, if having multiple devices, artificial remote intervention will
Be difficult realize, therefore, which be generally used for field apparatus it is little in the case of, such as the big Radix Notoginseng tail generating institute of HDK electric power
Adopt in this way.Wire signal transmission control of traditional remotely control based on PLC.Entered by the PLC of itself per station terminal
The collection and process of row wire signal, and processing result information is sent to into Central Control Room by wire cable, this mode is all the year round
Cable abrasion is month after month easily caused, the stability of signal transmission is affected.
For this phenomenon, using wireless communication technology, information transfer is controlled, i.e., point-to-point control.Here it is right to put
Point control adopts double-direction radio intelligent controller, can completely replace the control cable of terminal unit, realizes controlled in wireless, so as to
The control cable breakage for solving the problems, such as traditional control system causes to have a strong impact on production, changes convenient while safeguarding, saves
Substantial amounts of human and material resources and financial resources.Point-to-point control needs two pairings to use, mutually control, and input state control is to other side
The output of equipment, equipment has self-diagnostic function, the detection counterpart device whether function such as online, failure outputting alarm, tool simultaneously
There is simple, easy to use, the practical, steady performance of configuration.
Point-to-point double-direction radio intelligent controller is avoided in wire transmission because cable bad or loose contact cause control
Dropout phenomenon, but, also bring frequency range utilization rate it is low, it is inefficient the shortcomings of.Industry is set up by multiple control terminals
Wireless sense network, realize one-to-one between control terminal On-off signal and control terminal output switch parameter, one-to-many, many-one,
The configuration of multi-to-multi, reaches a control terminal, controls multiple stage outut device, solves that on-site terminal number of devices is more, is distributed not
The control problem of concentration.
The content of the invention
Present invention aim to address the deficiency that prior art is present, there is provided a kind of industrial wireless sensing net on-off control system
System and method.Purpose is that monitor terminal, control terminal are set up into into industrial wireless sensing net, by configuring, builds control eventually
One-to-one, one-to-many, many-one, multi-to-multi mapping, realize control eventually between end switch input quantity and control terminal switch output
The linkage at end, improves equipment efficiency of usage, strengthens whole network life cycle.Control terminal only switchs input quantity and switch is defeated
Output, using different field, can connect different input object (e.g., chopper, sensors according to application, control terminal
Deng) and object output (e.g., operating mechanism, motor etc.).Control terminal only considers to switch input quantity and switch output, casts aside
Concrete object, extends the application of industrial wireless sensing net.
Technical problem solved by the invention can employ the following technical solutions realization：
A kind of industrial wireless sensing net on-off control system, including monitor terminal and control terminal, using radio communication skill
Art, builds industrial wireless sensing net.
Specifically, described control terminal is disposed in proximity at switching value equipment, and with monitor terminal radio communication is passed through
Mode is communicated, for the collection of on-off model, process, transmission, forwarding and control；
Further, described monitor terminal is connected by wired mode with monitoring processing center, for forwarding control
Limit switch amount data to monitoring processing center, and forwarding monitoring processing center data or order realize group to control terminal
Net and data communication.
Further, described industrial wireless sensing net on-off control system is by a monitor terminal and many motors control terminal
Composition, by star schema, builds network, realizes that many motors control end message is shared and links.It is right to be realized by monitor terminal
Control terminal is configured and controlled, and Configuration network, can carry out flexile configuration according to practical situation, reaches the utilization of resources
It is optimum.
The control method of industrial wireless sensing net on-off control system, its step：
Step one, monitoring processing center send networking control command to monitor terminal；
Step 2, monitor terminal receive networking control command, and to multiple control terminals networking is carried out；After networking success, will
Networking pass signal is sent to monitoring processing center, jumps to step 3；Otherwise, send the unsuccessful signal of networking to process to monitoring
Center, jumps to step one；
Step 3, monitoring processing center need system configuration to be sent to monitor terminal；
Step 4, monitor terminal receive monitoring processing center data, are parsed, and configuration order is transmitted to into each
Control terminal；
Step 5, control terminal receive monitor terminal transmission data message, parsed, and feed back to control terminal should
Signal is answered, control terminal switch input quantity and switch output is set up with other control terminal switch outputs and switch input quantity
Annexation, forms one-to-one, one-to-many between switch input quantity and other control terminals switch outputs of control terminal, multipair
First, multi-to-multi pairing；
Switch input quantity information is sent to the control terminal switch of pairing by step 6, control terminal according to pair relationhip
Output；Simultaneously switch input quantity information is transferred to into monitoring processing center by monitor terminal；
Step 7, control terminal switch output information are transferred to monitoring processing center by monitor terminal；
Step 8, if necessary between adjustment control terminal switch input quantity and other control terminals switch outputs
With relation, it is configured by monitoring processing center, then branches to step 3；Otherwise jump to step 6.
Advantages of the present invention and effect：Compared with prior art, the industrial wireless sensing net on-off control that the present invention is provided
System realizes the configuration and control to control terminal by monitor terminal.The input switch amount of achievable control terminal is controlled with other
One-to-one, one-to-many, many-one, multi-to-multi are matched between terminal output switch amount processed, i.e., each control terminal can temporarily as main
Control terminal to control whole network in other control terminals working condition.Avoid because of individual plants failure, cause to be located
Regional work cannot be completed, and ineffective systems；Equipment work shape can also be arranged by monitor terminal according to field condition
State.By networking mode, realize that equipment effect is maximized.In addition, control terminal only has input switch amount and output switch amount, should
With different field, can be according to application, control terminal connects different input object (e.g., chopper, sensor etc.) and defeated
Go out object (e.g., operating mechanism, motor etc.).Control terminal only considers input switch amount and output switch amount, and it is concrete right to have cast aside
As, its versatility is enhanced, extend the application of industrial wireless sensing net.
Description of the drawings
Fig. 1 is the control terminal functional structure chart of industrial wireless sensing net on-off control system；
Fig. 2 is the monitor terminal functional structure chart of industrial wireless sensing net on-off control system；
Fig. 3 is the network topology structure figure of industrial wireless sensing net on-off control system；
Fig. 4 is the network configuration structural representation of industrial wireless sensing net on-off control system.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, but embodiments of the present invention not limited to this.
Fig. 1 is the control terminal functional structure chart of industrial wireless sensing net on-off control system.8 way switch input quantities are by two
Individual 4 tunnel input quantity composition, by photoelectric isolating circuit processing single chip is input to, and photoelectric isolating circuit makes switch input quantity and place
Electrical isolation, strengthening system stability are realized between reason single-chip microcomputer.Display lamp independently shows the break-make shape of 8 input switch amounts
State.Wireless singlechip receive wireless signal, conversion be input to processing single chip, while the information for also transmitting processing single chip without
Line sends.The information that processing single chip parsing wireless singlechip conveying comes, and by result by photoelectric isolating circuit, output
Control 8 way switch amounts.DC-DC circuit is supplied to processing single chip, wireless singlechip, radiofrequency signal process, display lamp, 8 tunnels to open
Close input quantity working power.
Fig. 2 is the monitor terminal functional structure chart of industrial wireless sensing net on-off control system.RS232 communication interfaces,
To processing single chip, purpose is that other modules carry out cable modem in Industry Control to RS232/485 communications interface transmissions cable data
Letter, plays compatibility function.Wireless singlechip receives wireless signal, conversion and is input to processing single chip, while will also process monolithic
The information wireless transmission that machine is transmitted is gone out.The wireless messages that processing single chip parsing wireless singlechip conveying comes, and pass through
The cable information that RS232 communication interfaces, the conveying of RS232/485 communication interfaces come.DC-DC circuit is supplied to processing single chip, nothing
Line single-chip microcomputer, radiofrequency signal process, display lamp working power.
Control terminal, monitor terminal are combined, the network for building industrial wireless sensing net on-off control system is opened up
Structure is flutterred, as shown in Figure 3.Industrial wireless sensing net on-off control system adopts 3 layers of layer-stepping Star Network structure, network to open up
Flutter the ground floor (work station) of structure, including monitoring processing center and monitor terminal.The second layer is constituted by core of work station
Star Network structure, using control terminal as radio node.Third layer is that a certain node is constituted as core with the second layer
Star Network structure, using control terminal as radio node.Monitor terminal receives monitoring and processes by RS-232 communication interfaces
The configuration order that center is sent, is configured accordingly, and Modbus communication protocols are supported in wherein data communication.Control terminal passes through
IO that wireless receiving monitor terminal is sent pairing order, realizes the input channel remotely control of control terminal other control terminals
Output channel.Wirelessly transmitting data frame total length is 20 bytes, including the frame head of 2 bytes, the data type of 1 byte,
The end of identification of the data field of 16 bytes and 1 byte.
Fig. 4 is the network configuration structural representation of industrial wireless sensing net on-off control system.From fig. 4, it can be seen that prison
Pass through wired mode transmission data, monitor terminal and control terminal, control terminal and control between control processing center and monitor terminal
By wirelessly transmitting data between terminal processed, each control terminal can temporarily as main control terminal to control whole network in
The working condition of other wireless switching amount control terminals, and the input quantity of control terminal and output pairing situation have it is various
Property, apply in fact and mainly include the following steps that：
Step one, monitoring processing center send networking control command to monitor terminal；
Step 2, monitor terminal receive networking control command, and to multiple control terminals networking is carried out；After networking success, will
Networking pass signal is sent to monitoring processing center, jumps to step 3；Otherwise, send the unsuccessful signal of networking to process to monitoring
Center, jumps to step one；
Step 3, monitoring processing center need system configuration to be sent to monitor terminal；
Step 4, monitor terminal receive monitoring processing center data, are parsed, and configuration order is transmitted to into each
Control terminal；
Step 5, control terminal receive monitor terminal transmission data message, parsed, and feed back to control terminal should
Signal is answered, control terminal switch input quantity and switch output is set up with other control terminal switch outputs and switch input quantity
Annexation, forms one-to-one, one-to-many between switch input quantity and other control terminals switch outputs of control terminal, multipair
First, multi-to-multi pairing；
Switch input quantity information is sent to the control terminal switch of pairing by step 6, control terminal according to pair relationhip
Output；Simultaneously switch input quantity information is transferred to into monitoring processing center by monitor terminal；
Step 7, control terminal switch output information are transferred to monitoring processing center by monitor terminal；
Step 8, if necessary between adjustment control terminal switch input quantity and other control terminals switch outputs
With relation, it is configured by monitoring processing center, then branches to step 3；Otherwise jump to step 6.
For example, the switch input quantity of control terminal 1 and control terminal n switch output pairings, then what control terminal 1 was gathered opens
Pass amount control control terminal n switch outputs, realize 1 pair 1 pairing；During the network operation, if control terminal 1 switch it is defeated
Enter amount to change into and control terminal 2 and control terminal n switch output pairings, send new with confidence by monitoring processing center
Cease to monitor terminal, monitor terminal realizes the switch input quantity of control terminal 1 and control terminal 2 and n switch output pairings, so
The switching value of the collection of control terminal 1 controls control terminal 2 and control terminal n switch outputs simultaneously, realizes being matched 1 pair more；Class
As be capable of achieving multipair multi-configuration.
In sum, after using the present invention, can the advantage that is wirelessly transferred of effectively utilizes, it is flexible configuration, transmitting, low
Cost etc..Wireless communication distance is farthest up to 2700m between control terminal, and this is in places such as large-scale stacker-reclaimer sports ground, harbours
With boundless application prospect.
Claims (2)
1. a kind of industrial wireless sensing net on-off control system, it is characterised in that industrial wireless sensing net on-off control system bag
Include monitoring processing center, monitor terminal and control terminal；Control terminal is constituted by input quantity and switch output is switched, for opening
Collection, process, transmission and the control of pass amount signal, is wirelessly communicated with monitor terminal, realizes collection information
Transmission；Monitor terminal is communicated with monitoring processing center by wired mode, processes and forward monitoring processing center information to arrive
Control terminal, while also processing and forwarding control terminal information to information processing centre or other control terminals；By industrial nothing
Line Sensor Network method of controlling switch, realize control terminal switch input quantity and control terminal switch output between it is one-to-one, one
To many, many-one, multi-to-multi pairing；Switch input quantity in system is configurable with switch output annexation.
2. the control method of industrial wireless sensing net on-off control system according to claim 1, including：
Step one, monitoring processing center send networking control command to monitor terminal；
Step 2, monitor terminal receive networking control command, and to multiple control terminals networking is carried out；After networking success, by networking
Pass signal is sent to monitoring processing center, jumps to step 3；Otherwise, the unsuccessful signal of transmission networking is in monitoring process
The heart, jumps to step one；
Step 3, monitoring processing center need system configuration to be sent to monitor terminal；
Step 4, monitor terminal receive monitoring processing center data, are parsed, and configuration order is transmitted to into each control
Terminal；
Step 5, control terminal receive the data message of monitor terminal transmission, are parsed, and feed back to control terminal response letter
Number, set up control terminal switch input quantity and switch output and be connected with other control terminal switch outputs and switch input quantity
Relation, formed one-to-one, one-to-many between switch input quantity and other control terminals switch outputs of control terminal, many-one,
Multi-to-multi is matched；
Switch input quantity information is sent to the control terminal switch output of pairing by step 6, control terminal according to pair relationhip
Amount；Simultaneously switch input quantity information is transferred to into monitoring processing center by monitor terminal；
Step 7, control terminal switch output information are transferred to monitoring processing center by monitor terminal；
Pass is matched between step 8, if desired adjustment control terminal switch input quantity and other control terminals switch outputs
System, is configured by monitoring processing center, then branches to step 3；Otherwise jump to step 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710029728.0A CN106658384A (en) | 2017-01-16 | 2017-01-16 | Industrial wireless sensor network switch control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710029728.0A CN106658384A (en) | 2017-01-16 | 2017-01-16 | Industrial wireless sensor network switch control system and method |
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| Publication Number | Publication Date |
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| CN106658384A true CN106658384A (en) | 2017-05-10 |
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| CN201710029728.0A Withdrawn CN106658384A (en) | 2017-01-16 | 2017-01-16 | Industrial wireless sensor network switch control system and method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120327989A1 (en) * | 2011-06-27 | 2012-12-27 | Shanxilinfen Power Supply Company | Smart feed line automation system based on 10kv carrier communication |
| CN104076719A (en) * | 2014-07-11 | 2014-10-01 | 天津工业大学 | Industrial wireless sensor network on-off control system and method |
-
2017
- 2017-01-16 CN CN201710029728.0A patent/CN106658384A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120327989A1 (en) * | 2011-06-27 | 2012-12-27 | Shanxilinfen Power Supply Company | Smart feed line automation system based on 10kv carrier communication |
| CN104076719A (en) * | 2014-07-11 | 2014-10-01 | 天津工业大学 | Industrial wireless sensor network on-off control system and method |
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Application publication date: 20170510 |