CN102302870A - Wireless communication method for peripheral traction thickener - Google Patents
Wireless communication method for peripheral traction thickener Download PDFInfo
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- CN102302870A CN102302870A CN201110161804A CN201110161804A CN102302870A CN 102302870 A CN102302870 A CN 102302870A CN 201110161804 A CN201110161804 A CN 201110161804A CN 201110161804 A CN201110161804 A CN 201110161804A CN 102302870 A CN102302870 A CN 102302870A
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Abstract
The invention discloses a wireless communication method for a peripheral traction thickener, relating to communication methods for peripheral traction thickeners. The wireless communication method disclosed by the invention solves the problems that the traditional communication method cannot comprehensively transfer data by adopting collector ring transitional connection and the like. According to the wireless communication method for the peripheral traction thickener, switching value signal data with higher voltage and low-voltage weak-current signal data of the thickener enter a router through being packaged by a programmable logic controller (PLC) and are subjected to frequency modulation and then are wirelessly transmitted by the router antenna; a center coordinator is used for demodulating carriers and is used for reducing the carriers into data packages; and a PLC of a central control room is used for displaying received data packages through the display screen of the PLC. The wireless communication method for the peripheral traction thickener disclosed by the invention has the advantages of simplicity in operating, convenience for using, greatly lowering the cost for mounting and maintaining and enhancing the cost performance of whole equipment.
Description
Technical field
The present invention relates to a kind of communication means of peripheral traction thickener, particularly relate to a kind of wireless communications method of peripheral traction thickener.
Background technology
The peripheral traction thickener of people's use at present mainly is made up of crane span structure, revolution support, center fixation bearing, control cabinet.Central control room is far away from the peripheral traction thickener distance, and the control cabinet of peripheral traction thickener is when the central control room transmitting monitor data, and existing communication modes mainly is through cable transmission.Because control cabinet is installed on the crane span structure and clockwise rotates around the center fixation bearing through the revolution support with crane span structure; Therefore the monitor data in the control cabinet is directly to be transmitted by cable to the central control room transmission, and this just need be provided with collector ring and carry out transition and be connected between revolution support and center fixation bearing.But the conductance of collector ring is lower; Generally speaking can only transfer overvoltage higher switching value signal is like operation indication, indicating fault etc., and can not transmit the low pressure weak electric signal like procedure parameter, the driving torque of reflection device processes concentration, carry 4-20mA current signals such as harrowing height, the speed of service; Collector ring can not be used for the communication between the data-interfaces such as RS485 interface, Ethernet interface because conductance is low; Cause that owing to the contact of collector ring is unstable the signal transmission is interrupted, lost again etc.The communication mode that adopts the collector ring transition to connect makes peripheral traction thickener can not transmit the monitor data of control cabinet all sidedly all the time; Cause the central control room management data seriously to lack, greatly limited the further raising of peripheral traction thickener production efficiency.
Summary of the invention
The objective of the invention is in order to overcome deficiency of the prior art, a kind of wireless communications method of peripheral traction thickener of the monitor data that transmits control cabinet to central control room all sidedly is provided.
For realizing above-mentioned purpose; The present invention provides a kind of wireless communications method of peripheral traction thickener; The switching value signal data that the voltage of said peripheral traction thickener operation is higher and disposal ability signal data Programmable Logic Controller PLC in the control cabinet on the thickener crane span structure of low pressure light current are packaged into packet; Said packet gets into the router in the control cabinet through the Programmable Logic Controller plc data interface in the control cabinet, by router with the packet frequency modulation that receives after through the emission of router antenna;
Receive the carrier wave that is loaded with packet through the central coordinator of central control room through the central coordinator antenna by the emission of router antenna, by central coordinator to carrier wave demodulation and be reduced into packet; Said by central coordinator to the carrier wave demodulation that is loaded with packet and the packet that is reduced into through central control room Programmable Logic Controller plc data interface input central control room Programmable Logic Controller PLC, by central control room Programmable Logic Controller PLC the packet that the receives display screen through Programmable Logic Controller PLC is shown.
The central coordinator of said central control room can receive the carrier wave that is loaded with packet of two or more router antenna emissions through the central coordinator antenna.
Said central coordinator is the wireless communication module that embeds function program through computer through program, annex, communication, hyper terminal step; Central coordinator is installed in central control room, and the data-interface of the Programmable Logic Controller PLC in central coordinator and the central control room is connected; Said router is another wireless communication module that embeds function program through computer through program, annex, communication, hyper terminal step; Be installed in the control cabinet on the peripheral traction thickener crane span structure, router is connected with the data-interface of Programmable Logic Controller PLC in the control cabinet on the peripheral traction thickener crane span structure.
Said central coordinator, router are connected through data-interface with Programmable Logic Controller PLC, use programming software Step7-MicroWin 4.0 or SLC5007.0 to be Programmable Logic Controller PLC input user program.
Said data-interface is RS232 interface, RS485 interface, modbus interface, Ethernet interface, profibus-dp interface or Transistor-Transistor Logic level transmitting-receiving interface.
After higher operation indication, the indicating fault switching value signal of the voltage of said peripheral traction thickener operation inserts programmable controller PLC through relay, through programming software Step7-MicroWin4.0 or SLC5007.0 programmable controller PLC is programmed data are packed.
Procedure parameter, the driving torque of the device processes concentration of the low pressure light current of said peripheral traction thickener operation, carry rake height, running speed signal and insert programmable controller PLC through density appearance, pressure sensor, travel switch, rotary encoder respectively after, through programming software Step7-MicroWin 4.0 or SLC5007.0 programmable controller PLC is programmed data is packed.
Beneficial effect of the present invention is: the monitor data of control cabinet is transferred to the Programmable Logic Controller PLC or the display screen of central control room through wireless communications method of the present invention; Can realize the dynamic demonstration of peripheral traction thickener procedure parameter in central control room; Solve peripheral traction thickener collector ring for a long time and can not transmit the limitation that low pressure weak electric signal and data-interface signal bring; Reach safety; Reliably; To central control room the monitor data to peripheral traction thickener is provided all sidedly; Realization collects control more all sidedly to peripheral traction thickener; The timely potential safety hazard of abatement apparatus in running greatly improved the production efficiency of peripheral traction thickener.The wireless communications method of peripheral traction thickener of the present invention is simple to operate, and is easy to use, cancelled the cable that is used to transmit the collector ring of signal and goes up km, greatly reduced installation and maintenance cost, improved the whole cost performance of equipment.
Be described further below in conjunction with the wireless communications method of accompanying drawing peripheral traction thickener of the present invention.
Description of drawings
Fig. 1 is the flow chart of peripheral traction thickener wireless communications method of the present invention;
Fig. 2 is central control room of the present invention and two peripheral traction thickener radio communication sketch mapes.
Among the figure: 1, crane span structure, 2, control cabinet, 3, Programmable Logic Controller PLC, 4, router, 5, the router antenna, 6, central control room, 7, central coordinator, 8, the central coordinator antenna, 9, revolution supports, 10, the center fixation bearing.
The specific embodiment
Like Fig. 1, shown in Figure 2, peripheral traction thickener mainly is made up of crane span structure 1, revolution support 9, center fixation bearing 10, control cabinet 2.After higher operation indication, the indicating fault switching value signal of the voltage of peripheral traction thickener operation inserts programmable controller PLC through relay, through programming software Step7-MicroWin 4.0 or SLC5007.0 programmable controller PLC is programmed data are packed.Procedure parameter, the driving torque of the device processes concentration of the low pressure light current of peripheral traction thickener operation, carry the rake height, running speed signal passes through respectively; Density appearance, pressure sensor; After travel switch, rotary encoder insert programmable controller PLC, through programming software Step7-MicroWin 4.0 or SLC5007.0 programmable controller PLC is programmed data are packed.
The switching value signal data that the voltage of peripheral traction thickener operation is higher and disposal ability signal data Programmable Logic Controller PLC3 in the control cabinet 2 on thickener crane span structure 1 of low pressure light current are packaged into packet; Packet gets into the router four in the control cabinet 2 through the Programmable Logic Controller PLC3 data-interfaces in the control cabinet 2, by router four with the packet frequency modulation that receives after through 5 emissions of router antenna.Router four is the wireless communication module that embeds function program through computer through program, annex, communication, hyper terminal step; Be installed in the control cabinet 2 on the peripheral traction thickener crane span structure 1; Be connected with the data-interface of Programmable Logic Controller PLC3 in the control cabinet 2 on peripheral traction thickener crane span structure 1, be responsible for the route relaying of data and transmit.
The central coordinator 7 of central control room 6 receives the carrier wave that is loaded with packet by 5 emissions of router antenna through central coordinator antenna 8, by 7 pairs of carrier wave demodulations of central coordinator and be reduced into packet; , the display screen that the packet that receives passes through Programmable Logic Controller PLC3 is shown through central control room 6 Programmable Logic Controller PLC3 data-interfaces input central control room 6 Programmable Logic Controller PLC3 by 7 pairs of packets that are loaded with the carrier wave demodulation of packet and are reduced into of central coordinator by central control room 6 Programmable Logic Controller PLC3.Central coordinator 7 is the wireless communication modules that embed function program through computer through program, annex, communication, hyper terminal step; Be installed in central control room 6; Is connected initiation tissue, network operation and the management function of responsible network with the data-interface of Programmable Logic Controller PLC3 in the central control room 6.
After the supporting use of wireless communication module and peripheral traction thickener; Set up the aerial transmission channel between the Programmable Logic Controller PLC3 data-interface; With radio wave mode of frequency regulation swap data between thickener control cabinet 2 and central control room 6, realize the transmission of total data between peripheral traction thickener and the central control room 6.The transmission range of wireless communication module of the present invention can be greater than 5km, transfer rate 19200bps, and the transmission data are greater than 200 bytes.Can quick, safe and reliablely satisfy communication need after the supporting use of wireless communication module and peripheral traction thickener, solve the restriction that collector ring can not transition connects Programmable Logic Controller PLC3 data-interface.
The central coordinator 7 of central control room 6 can receive the carrier wave that is loaded with packet of two or more router antenna 5 emissions through central coordinator antenna 8.That wireless communication module can be realized is point-to-point, a bit to the transparent data transmission between the multiple spot.After the coordinative composition of equipments use, embed good in advance program and both can realize the wireless telecommunications of separate unit peripheral traction thickener and central control room 6 also can realizing the wireless telecommunications of many peripheral traction thickeners and central control room 6
Claims (7)
1. a peripheral traction thickener wireless communications method is characterized in that,
The switching value signal data that the voltage of said peripheral traction thickener operation is higher and disposal ability signal data Programmable Logic Controller PLC in the control cabinet on the thickener crane span structure of low pressure light current are packaged into packet; Said packet gets into the router in the control cabinet through the Programmable Logic Controller plc data interface in the control cabinet, by router with the packet frequency modulation that receives after through the emission of router antenna;
Receive the carrier wave that is loaded with packet through the central coordinator of central control room through the central coordinator antenna by the emission of router antenna, by central coordinator to carrier wave demodulation and be reduced into packet; Said by central coordinator to the carrier wave demodulation that is loaded with packet and the packet that is reduced into through central control room Programmable Logic Controller plc data interface input central control room Programmable Logic Controller PLC, by central control room Programmable Logic Controller PLC the packet that the receives display screen through Programmable Logic Controller PLC is shown.
2. peripheral traction thickener wireless communications method according to claim 1 is characterized in that, the central coordinator of said central control room can receive the carrier wave that is loaded with packet of two or more router antenna emissions through the central coordinator antenna.
3. peripheral traction thickener wireless communications method according to claim 1; It is characterized in that; Said central coordinator is the wireless communication module that embeds function program through computer through program, annex, communication, hyper terminal step; Central coordinator is installed in central control room, and the data-interface of the Programmable Logic Controller PLC in central coordinator and the central control room is connected; Said router is another wireless communication module that embeds function program through computer through program, annex, communication, hyper terminal step; Be installed in the control cabinet on the peripheral traction thickener crane span structure, router is connected with the data-interface of Programmable Logic Controller PLC in the control cabinet on the peripheral traction thickener crane span structure.
4. peripheral traction thickener wireless communications method according to claim 1; It is characterized in that; Central coordinator, router are connected through data-interface with Programmable Logic Controller PLC, use programming software Step7-MicroWin 4.0 or SLC5007.0 to import user program as PLC.
5. peripheral traction thickener wireless communications method according to claim 1 is characterized in that, said data-interface is RS232 interface, RS485 interface, modbus interface, Ethernet interface, profibus-dp interface or Transistor-Transistor Logic level transmitting-receiving interface.
6. peripheral traction thickener wireless communications method according to claim 1; It is characterized in that; After higher operation indication, the indicating fault switching value signal of the voltage of said peripheral traction thickener operation inserts programmable controller PLC through relay, through programming software Step7-MicroWin 4.0 or SLC5007.0 programmable controller PLC is programmed data are packed.
7. peripheral traction thickener wireless communications method according to claim 1; It is characterized in that; Procedure parameter, the driving torque of the device processes concentration of the low pressure light current of said peripheral traction thickener operation, carry rake height, running speed signal and insert programmable controller PLC through density appearance, pressure sensor, travel switch, rotary encoder respectively after, through programming software Step7-MicroWin4.0 or SLC5007.0 programmable controller PLC is programmed data is packed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110161804A CN102302870A (en) | 2011-06-08 | 2011-06-08 | Wireless communication method for peripheral traction thickener |
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| CN201110161804A CN102302870A (en) | 2011-06-08 | 2011-06-08 | Wireless communication method for peripheral traction thickener |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1973946A (en) * | 2006-10-16 | 2007-06-06 | 太原理工大学 | Alarm device for servo pressure-preventing rake in thickener |
| US20080179251A1 (en) * | 2007-01-29 | 2008-07-31 | Teledyne Isco, Inc. | Apparatuses and methods for wireless monitoring and control of environmental sampling and chromatographic apparatuses |
| CN101537272A (en) * | 2009-03-12 | 2009-09-23 | 中信重工机械股份有限公司 | Thickener control system |
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- 2011-06-08 CN CN201110161804A patent/CN102302870A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1973946A (en) * | 2006-10-16 | 2007-06-06 | 太原理工大学 | Alarm device for servo pressure-preventing rake in thickener |
| US20080179251A1 (en) * | 2007-01-29 | 2008-07-31 | Teledyne Isco, Inc. | Apparatuses and methods for wireless monitoring and control of environmental sampling and chromatographic apparatuses |
| CN101537272A (en) * | 2009-03-12 | 2009-09-23 | 中信重工机械股份有限公司 | Thickener control system |
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Application publication date: 20120104 |