CN103699051A - Wireless telecontrol system - Google Patents

Wireless telecontrol system Download PDF

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Publication number
CN103699051A
CN103699051A CN201310715147.4A CN201310715147A CN103699051A CN 103699051 A CN103699051 A CN 103699051A CN 201310715147 A CN201310715147 A CN 201310715147A CN 103699051 A CN103699051 A CN 103699051A
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China
Prior art keywords
control system
wireless
transmission module
data transmission
plc
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Pending
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CN201310715147.4A
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Chinese (zh)
Inventor
尹柏林
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Dalian Jialin Equipment Manufacturing Co Ltd
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Dalian Jialin Equipment Manufacturing Co Ltd
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Application filed by Dalian Jialin Equipment Manufacturing Co Ltd filed Critical Dalian Jialin Equipment Manufacturing Co Ltd
Priority to CN201310715147.4A priority Critical patent/CN103699051A/en
Publication of CN103699051A publication Critical patent/CN103699051A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a wireless telecontrol system. The telecontrol system comprises a button operation part, a rocker operation part, a single-chip microcomputer module, a wireless data transmission module and a PLC (Programmable Logic Controller) control system, wherein a data signal is input to the single-chip microcomputer module through the button operation part and the rocker operation part, the single-chip microcomputer module converts the received data signal into an instruction and transmits the instruction to the wireless data transmission module, and the wireless data transmission module transmits the instruction to the PLC control system in a wireless way. According to the wireless telecontrol system provided by the invention, the telecontrol way of adopting the PLC and the wireless data transmission module is simple and feasible; the PLC and the wireless data transmission module have matured industrialized products, and are high in reliability, low in cost, and good in expansibility, so that the scheme is higher in actual value, and the designing process is simplified.

Description

Wireless remote-control system
Technical field
The present invention relates to a kind of wireless remote-control system.
Background technology
Programmable logic controller is the industrial controller that a kind of applicability is strong, be widely used in all types of industries production line, the more severe industrial occasions of the environment such as control of mechanically moving equipment, its stable work in work, extensibility is strong, apply easy, according to different block configuration, can carry out logic and arithmetic operator, to digital switch quantity, analog quantitys etc. are controlled and are gathered, there is abundant bus interface form simultaneously, can utilize disclosed agreement and distinct device to form complicated system, in the industry mechanical arm of developing at us, each joint forms open loop hydraulic control circuit by proportioning valve or switch valve, realize proportionality velocity modulation or switch motion, therefore we have selected the S7-200 series of PLC of Siemens as its controller, wireless data transmission module is a kind of module that is exclusively used in wireless data transceiving of integrated form, can be directly by data bus and other control, the modules such as collection have connected wireless data transceiving function, be widely used in remote control, remote measurement, radio meter register, the occasions such as automatic data collection, there is reliability high, low in energy consumption, the advantages such as protocol transparent is easy to use, transmission range can reach tens to rice up to a hundred, some even can arrive the distance of km, at present a lot of manufacturers have released industrialization, the product of seriation, can according to different use occasions and require to select suitable product, some producers have released the special-purpose industrial wireless telepilot based on flush bonding processor at present, its excellent performance, integrated level is high, as HBC, JAY etc., be applied to concrete mixer, the occasions such as shovel loader, but because it is generally for special engineering equipment, do not there is good versatility and extensibility, and be mainly external producer, price is high, its application is restricted, application scenario at some circumstance complications, especially for mechanically moving equipment, the wiring of control system is subject to many limitations, the position arrangement of operating personnel and control system is inconvenient, therefore, the application with the wireless remote control operating system of high degree of flexibility has obtained popularization, the wireless remote control operating system of current industrial application generally adopts radiodigital transmission mode.
Summary of the invention
The object of this invention is to provide a kind of wireless remote-control system.
The technical scheme that the present invention adopted is for achieving the above object: a kind of wireless remote-control system, comprise push-botton operation, rocking bar operation, one-chip computer module, wireless data transmission module and PLC control system, push-botton operation and rocking bar operation are input to one-chip computer module by data-signal, one-chip computer module converts the data-signal of reception to instruction and sends to wireless data transmission module, and wireless data transmission module sends to PLC control system by instruction with wireless mode.
Described PLC control system is decoded to instruction encoding, decomposite different operational orders, then carry out logical operation, according to different instructions, obtain the action that different needs are carried out, then export with analog output and control corresponding pumping plant or switch valve group or proportioning valve group by numeral.
Described wireless data transmission module is connected with PLC control system by RS485 interface or RS232 interface.
The switch of described push-botton operation and rocking bar operation and scaling signal are directly inputted in the numeral input and analog input of PLC control system by cable.
A kind of wireless remote-control system of the present invention, adopt the remote control mode simple possible of PLC and wireless data transmission module, because PLC and digital transmission module have ripe industrialization product, reliability is high, and cost is low, favorable expandability, therefore this programme has higher practical value, has simplified design process, the further industrialization design but one-chip computer module in wireless remote-control system is still needed, to reach higher industrial reliability requirement, and realize the greater functionality such as bus communication, self-checking.
Accompanying drawing explanation
Fig. 1 is the block diagram of a kind of wireless remote-control system of the present invention.
Fig. 2 is the PLC control system block diagram of a kind of wireless remote-control system of the present invention.
Embodiment
As depicted in figs. 1 and 2, wireless remote-control system, comprise push-botton operation, rocking bar operation, one-chip computer module, wireless data transmission module and PLC control system, push-botton operation and rocking bar operation are input to one-chip computer module by data-signal, one-chip computer module converts the data-signal of reception to instruction and sends to wireless data transmission module, wireless data transmission module sends to PLC control system by instruction with wireless mode, PLC control system is decoded to instruction encoding, decomposite different operational orders, then carry out logical operation, according to different instructions, obtain the action that different needs are carried out, by numeral, export with analog output and control corresponding pumping plant or switch valve group or proportioning valve group again, the switch of push-botton operation and rocking bar operation and scaling signal are directly inputted in the numeral input and analog input of PLC control system by cable, in the situation that connects up easily, switch and the scaling signal of push-botton operation and rocking bar operation can be directly inputted to by cable digital quantity and the analog input module of PLC, this mode is simple in structure, cost is low, reliability is high, hardware design and the software programming of control system are very simplified, but in actual industrial scene, wiring is subject to many limitations, especially for mobile model equipment, adopt wired control mode personnel's operation convenient, flexible not, because the mechanical arm of our development need to be grown distance motion in orbit, and operating distance is far away, therefore, must adopt the mode of wireless remote control operation, we adopt wireless data transmission module as communication module for this reason, and designed the handheld operation device based on 16 single-chip microcomputers, wireless data transmission module is used in pairs, control system end on wireless remote-control system end and mechanical arm body respectively has one, complete respectively wireless transmission and the receiving function of data, when control system needs, also can bidirectional transmit-receive, the digital transmission module with one end switches in data receiver and data sending function, now should be noted that, the switching of the send and receive function of digital transmission module needs the regular hour, wireless remote-control system is the different operating to button and rocking bar according to operator, by IO mouth and AD conversion, gather, information after collection carries out forming instruction after numerical coding, form with ASCII character sends to wireless data transmission module by serial ports, wireless data transmission module sends instruction again with wireless mode, the digital transmission module of the control system on mechanical arm is sent to PLC by serial bus after receiving the instruction encoding sending, PLC decodes to instruction encoding, decomposite different operational orders, then carry out logical operation, according to different instructions, obtain the action that different needs are carried out, by numeral, export and simulate again output and control corresponding relay or valve events, thereby realize the long distance wireless operation to each joint of mechanical arm, the push-botton operation input and the rocking bar operation input that by signal cable, are connected to PLC are retained on mechanical arm body, as backup or maintenance, use, simultaneously, on PLC numeral input port and wireless remote-control system, straighforward operation switching push button is all set, can enter or exit straighforward operation pattern, push-botton operation on PLC should have higher priority, the proportional positions state that the object gathering due to rocking bar operation is rocking bar, what it adopted is the design of automatic centering, therefore in Control System Software structure, adopt circulation to send the mode of instruction, enter after controlled in wireless state, wireless remote-control system just periodically sends out the state collecting, and no matter now whether there is operating personnel's operation input.
In multi-joint industry mechanical arm, adopt PLC as its master controller, complete switch and proportional control to hydraulic power unit and each joint fluid pressure valve, realize the basic function of mechanical arm, adopt wireless data transmission module to receive and dispatch digital signal by communication, realize long-range wireless remote control function, the input switch amount of designed hand-held remote controller and analog quantity are by 16 single-chip microcomputer collections coding output, the high anti-jamming capacity of wireless data transmission module and low error rate, efficient forward error correction channel technology, serial communication protocol verification, generally adopts parity checking, software protocol verification, by software programming, the data that send are carried out to verification, can adopt CRC check, confirm or repeatedly send alternately the mode of contrast, in our program, adopt same action command to repeat the mode sending, only have command instruction and confirm that instruction is identical, PLC just accepts instruction, otherwise ignores this instruction, the false command of so just having avoided signal post to produce completely, PLC " software watchdog " arranges timed sequence in PLC program, when overtime, while not receiving wireless instructions, stops manipulator behavior, prevents because communicating interrupt makes mechanical arm out of control, can effectively guarantee the reliability of wireless remote control, prevent that faulty operation instruction or mechanical arm are out of control, wireless data transmission module generally possesses three kinds of interface modes: Transistor-Transistor Logic level UART interface, can directly be connected with the serial port pin of single-chip microcomputer or other chip, the RS-232 interface of standard, the RS-485 interface of standard, wherein 232 interface modes and 485 interface modes switch by wire jumper, the S7-200 series of PLC of Siemens possesses the interface of one or two RS-485 standard, therefore can adopt latter two mode, PLC is directly connected with 485 interfaces of wireless data transmission module, or after the PC/PPI cable that utilization and PLC match is 232 interfaces by 485 interface conversion of PLC, be connected with 232 interfaces of wireless data transmission module again, the PORT COM of S7-200 series of PLC is supported multiple kinds, what can adopt has two kinds herein.A kind of is the PPI MS master-slave agreement of Siemens, utilize this agreement main website can be directly to slave station, be the PLC in control system, send instruction, control each port and the function of slave station, the programming of this mode PLC is simple, do not need original slave station program to modify, but PPI agreement is not a disclosed agreement, thereby intercept by serial ports the mode that PPI agreement is utilized main website programming Control slave station of obtaining, another communication mode is Free-Mode, utilize the PORT COM of self-defining PLC programmed control S7-200 CPU, the communications protocol of user oneself definition realizes and extraneous communication, this pattern is supported ASCII and binary protocol, Free-Mode is used simple, flexibly, but need to carry out special programming to PLC, because wireless remote control desired data amount is little, by comparing, selected Free communication mode, form transferring command and feedback information between wireless remote-control system and PLC with ASCII character, in PLC, write special radio control program, realize data communication and the control to mechanical arm under controlled in wireless state, the function of wireless data transmission module is only for realizing the radio communication function of PLC and wireless remote-control system, for CPU in PLC and wireless remote-control system, by two kinds of modes of radio communication and the wire communication being directly connected by serial port of wireless data transmission module, programming on without any difference, the communication interface of single-chip microcomputer and wireless data transmission module can be selected any in three kinds of interface modes, both can adopt simple directly connected, for improving stability, also can adopt 232 or 485 chips to carry out being connected with digital transmission module again after level conversion, for keeping better extensibility, we have selected RS-232 interface standard, the function of wireless remote-control system is for to input by the Digital I/O of processor and the operation on AD Function detection button and rocking bar, and by formation control instruction after the encoding digital signals after conversion, by wireless data transmission module, send, XC166 series monolithic is 16 8-digit microcontroller products of Infineon's science and technology (Infineon), the inner core that it is excellent, efficient instruction set, and the product line of continuous expanding and updating, make it be widely used in automotive electronics, Industry Control and areas of information technology, this series monolithic has abundant interface modes, as 14 path 10 position AD transducers, synchronous/asynchronous serial-port USART, high-speed synchronous serial-port SPI, CAN module, 79 IO pins etc., and can form communication network with various device, simultaneously, this series monolithic is adapted to severe industrial environment, working temperature can be at-40~125 ° of C, function for our designed wireless remote-control system, we have selected the XC164CS type single-chip microcomputer in XC166 series, so only need additional few peripheral hardware, just can realize required function, simultaneously, make this telepilot there is stable work in work and be easy to carry out Function Extension, the functional module of wireless remote-control system mainly comprises AD sampling functions, gather the proportional control voltage that rocking bar operation produces, Digital I/O function, gather push-botton operation state and carry out some functional status demonstrations, communication function, periodically will after the steering order collecting form coding in accordance with regulations, by serial ports, send wirelessly, wireless remote-control system is battery-powered, XC166 series monolithic and wireless data transmission module can meet the requirement of low-power consumption.

Claims (4)

1. a wireless remote-control system, it is characterized in that: comprise push-botton operation, rocking bar operation, one-chip computer module, wireless data transmission module and PLC control system, push-botton operation and rocking bar operation are input to one-chip computer module by data-signal, one-chip computer module converts the data-signal of reception to instruction and sends to wireless data transmission module, and wireless data transmission module sends to PLC control system by instruction with wireless mode.
2. a kind of wireless remote-control system according to claim 1, it is characterized in that: described PLC control system is decoded to instruction encoding, decomposite different operational orders, then carry out logical operation, according to different instructions, obtain the action that different needs are carried out, then export with analog output and control corresponding pumping plant or switch valve group or proportioning valve group by numeral.
3. a kind of wireless remote-control system according to claim 1, is characterized in that: described wireless data transmission module is connected with PLC control system by RS485 interface or RS232 interface.
4. a kind of wireless remote-control system according to claim 1, is characterized in that: the switch of described push-botton operation and rocking bar operation and scaling signal are directly inputted in the numeral input and analog input of PLC control system by cable.
CN201310715147.4A 2013-12-23 2013-12-23 Wireless telecontrol system Pending CN103699051A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105513324A (en) * 2015-12-28 2016-04-20 青特集团有限公司 Wireless remote control system of solar panel cleaning vehicle
CN106054795A (en) * 2016-06-27 2016-10-26 攀枝花学院 Middle deep hole trolley control system and control method thereof
CN109960178A (en) * 2017-12-26 2019-07-02 深圳市优必选科技有限公司 Robot and its joint motions control method, device
CN110161911A (en) * 2019-05-08 2019-08-23 西南石油大学 A kind of industrial control unit (ICU) with interface protection of the distant control device of integrated wireless
CN111836021A (en) * 2020-07-24 2020-10-27 深圳市电为科技有限公司 Panoramic visual patrol trolley remote real-time control system
CN113050533A (en) * 2021-03-15 2021-06-29 广西钢铁集团有限公司 Antenna controller and control method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103114623A (en) * 2013-02-28 2013-05-22 徐工集团工程机械股份有限公司道路机械分公司 Remote control system of walking excavator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103114623A (en) * 2013-02-28 2013-05-22 徐工集团工程机械股份有限公司道路机械分公司 Remote control system of walking excavator

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105513324A (en) * 2015-12-28 2016-04-20 青特集团有限公司 Wireless remote control system of solar panel cleaning vehicle
CN106054795A (en) * 2016-06-27 2016-10-26 攀枝花学院 Middle deep hole trolley control system and control method thereof
CN109960178A (en) * 2017-12-26 2019-07-02 深圳市优必选科技有限公司 Robot and its joint motions control method, device
CN110161911A (en) * 2019-05-08 2019-08-23 西南石油大学 A kind of industrial control unit (ICU) with interface protection of the distant control device of integrated wireless
CN111836021A (en) * 2020-07-24 2020-10-27 深圳市电为科技有限公司 Panoramic visual patrol trolley remote real-time control system
CN111836021B (en) * 2020-07-24 2022-10-28 深圳市电为科技有限公司 Panoramic visual patrol trolley remote real-time control system
CN113050533A (en) * 2021-03-15 2021-06-29 广西钢铁集团有限公司 Antenna controller and control method thereof

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Application publication date: 20140402