CN204613720U - A kind of coal preparation plant PLC centralized control system based on wireless telecommunications - Google Patents
A kind of coal preparation plant PLC centralized control system based on wireless telecommunications Download PDFInfo
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- CN204613720U CN204613720U CN201520288526.4U CN201520288526U CN204613720U CN 204613720 U CN204613720 U CN 204613720U CN 201520288526 U CN201520288526 U CN 201520288526U CN 204613720 U CN204613720 U CN 204613720U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model belongs to coal preparation plant's centralized control technique field, specifically provide a kind of coal preparation plant PLC centralized control system based on wireless telecommunications, primarily of Monitor Computer Control System, wireless telecommunication system and lower computer control system composition, control for realizing coal preparation plant's production run.Wireless telecommunication system is the contact tie in centralized control system between each important component part, realizes coal preparation plant's region hotspot and covers and wireless local communication, make wireless device become possibility in coal preparation plant's widespread use.The utility model solves the technical barrier that communication cable wiring is complicated, cable bad rate is high, achieve the covering of wireless network within the scope of the raising of coal preparation plant's centralized control system data wireless communication and automatization level and plant area of coal preparation plant, further developing of the networking of coal preparation plant of China and automatic technology can be promoted.
Description
Technical field
The utility model belongs to coal preparation plant's centralized control technique field, is specifically related to a kind of coal preparation plant PLC centralized control system based on wireless telecommunications.
Background technology
Constantly perfect along with Programmable Logic Controller function, PLC technology is used more and more extensive in coal preparation plant's centralized control field, the networking of coal preparation plant of China and automatic technology enter the new stage.
But raw coal washing will through comparatively complicated technological process, and whole process need gathers nearly thousand barss.On-the-spot more device distribution dispersion, uses cable will access full factory centralized control system by facility information everywhere, and greatly and costly, adopt cable to connect, bring communication cable to connect up complicated, cable bad rate is high, safeguards inconvenient technical barrier for site operation amount.
Utility model content
The purpose of this utility model overcomes the technical barrier that in prior art, the wiring of coal preparation plant's communication cable is complicated, cable bad rate is high, achieve the covering of wireless network within the scope of the raising of coal preparation plant's centralized control system data wireless communication and automatization level and plant area of coal preparation plant, promote further developing of China's coal preparation plant's networking and automatic technology.
The technical solution of the utility model is: a kind of coal preparation plant PLC centralized control system based on wireless telecommunications, comprise total management system, production monitoring system and field control system, described total management system is made up of data workstation, network control cabinet, system cloud gray model unit and being interconnected by Industrial Ethernet for the industrial computer of integrated management, wherein, data workstation receives the data message of field control system through network control cabinet by Industrial Ethernet, adopt industrial Shielded Twisted Pair to be connected between them; System cloud gray model unit is connected with industrial Shielded Twisted Pair by data line with field control system, completes the driving to control system, start and stop; Industrial computer is connected with the network switch in network control cabinet by industrial Shielded Twisted Pair.Described data workstation has been used for storing coal preparation plant Various types of data, comprises washing appliance operational factor that sensor gathers, washing monitored picture, alarm logging, record of examination and all kinds of work program form that closed-circuit television gathers; Described network control cabinet inside comprises the network switch and router, provides the network operation platform of coal preparation plant, exchanges data and network operation monitoring; Described system cloud gray model unit provides installation, the operation platform of each program of control system; Described industrial computer relies on plant area's Industrial Ethernet to be linked to ipc monitor interface by browser, is used for realizing monitoring each production run of coal preparation plant at any time;
Described production monitoring system is interconnected by video camera, closed-circuit television, projector, industrial computer and printer and forms, wherein, video camera is connected by VGA video line with industrial computer, closed-circuit television is connected with industrial computer by HDMI video line with projector, printer is connected with industrial computer by USB data line, realizes the monitoring of coal preparation plant's production run and completes the work of print job plan sheet;
Described field control system controls master station by slave computer, slave computer controls substation and for gathering coal washing equipment operational factor, the various kinds of sensors of pipeline pressure and position in storehouse signal forms; Described system slave computer control master station by RS485/232 data line with pass down data radio station and be connected; Described slave computer control substation by RS485/232 data line with upload data radio station and be connected; Described down pass data radio station and upload between data radio station by wireless communication module connect carry out data transmission; Slave computer is controlled master station and is connected with industrial computer by RS485/232 data line.
The each ingredient of above-mentioned total management system carries out data communication by Industrial Ethernet.
The model of above-mentioned wireless communication module is Siemens CP340, and its quantity is 2 and is located at respectively on slave computer control master station and slave computer control substation.
Above-mentioned slave computer controls master station specifically Siemens S7-300 PLC.
Above-mentioned slave computer controls substation specifically Siemens ET200M distributed I/O substation.
Above-mentioned pass down data radio station and upload data radio station all adopt D-link to reach model that company produces is power data radio station in FC-201/J series.
For the place that wireless signal within the scope of plant area of coal preparation plant is weak, set up wireless aps by wireless network equipment bridge joint, namely set up the method for hotspot to realize stablizing within the scope of plant area the structure of WLAN (wireless local area network).
The beneficial effects of the utility model: the PLC centralized control system based on wireless telecommunications is applied to coal preparation plant by the utility model, solve the technical barrier that communication cable wiring is complicated, cable bad rate is high, achieve the covering of wireless network within the scope of the raising of coal preparation plant's centralized control system data wireless communication and automatization level and plant area of coal preparation plant, further developing of the networking of coal preparation plant of China and automatic technology can be promoted.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is wireless telecommunications scheme connection layout of the present utility model.
Fig. 2 is system framework figure of the present utility model.
Description of reference numerals: 1, total management system, 2, production monitoring system; 3, field control system; 4, data workstation; 5, network control cabinet; 6, system cloud gray model unit; 7, industrial computer; 8, video camera; 9, closed-circuit television; 10, projector; 11, industrial computer; 12, printer; 13, slave computer controls master station; 14, slave computer controls substation; 15, data radio station is uploaded; 16, data radio station is passed down; 17, main building I/O substation; 18, run coal bin I/O substation; 19, loading station I/O substation.
Embodiment
Embodiment 1:
As shown in Figure 1, the utility model provides a kind of coal preparation plant PLC centralized control system based on wireless telecommunications, forms primarily of total management system 1, production monitoring system 2 and field control system 3.
The industrial computer 7 that wherein total management system 1 is used for integrated management by data workstation 4, network control cabinet 5, system cloud gray model unit 6 and chief engineer and factory director is interconnected by Industrial Ethernet and forms, consider each server and chief engineer and factory director for integrated management industrial computer 7 between physical distance short, in the utility model, each ingredient of total management system 1 realizes data communication by Industrial Ethernet, connects especially by industrial Shielded Twisted Pair.Wherein, data workstation 4 receives the data message of field control system through network control cabinet 5 by Industrial Ethernet, adopts industrial Shielded Twisted Pair to be connected between them; System cloud gray model unit 6 is connected with industrial Shielded Twisted Pair by data line with field control system 3, completes the driving to control system, start and stop; Industrial computer 7 is connected with the network switch in network control cabinet 5 by industrial Shielded Twisted Pair.Data workstation 4 has been used for storing coal preparation plant Various types of data, comprises washing appliance operational factor that sensor 14 gathers, washing monitored picture, alarm logging, record of examination and all kinds of work program forms etc. that closed-circuit television 9 gathers.Network control cabinet 5, inside comprises the network switch and router, provides the operation platform of coal preparation plant's Industrial Ethernet and industrial wireless network, exchanges data and network operation monitoring.System cloud gray model unit 6 provides installation, the operation platform of each program of control system.The industrial computer 7 of chief engineer and factory director relies on plant area's Industrial Ethernet to be linked to ipc monitor interface by browser, can realize monitoring each production run of coal preparation plant at any time.
Production monitoring system 2 is made up of video camera 8, closed-circuit television 9, projector 10, industrial computer 11 and printer 12, wherein, video camera 8 is connected by VGA video line with industrial computer 11, closed-circuit television 9 is connected with industrial computer 11 by HDMI video line with projector 10, printer 12 is connected with industrial computer 11 by USB data line, completes the monitoring of coal preparation plant's production run and completes work such as printing each work program form.Wherein video camera 8, closed-circuit television 9 and projector 10 complete the picture collection of coal preparation plant's production run and realize picture display and danger warning etc. in centralized control center.And industrial computer 11 be used for install upper computer control system, realize the control to coal preparation plant's production run, comprise equipment start-stop, process control and alert process etc.Printer 11 realizes the printing of all kinds of work program form in centralized control center.
Field control system 3 controls master station 13, substation and the various kinds of sensors for gathering coal washing equipment-related data by slave computer and forms, and completes the control to coal preparation plant's production equipment.System slave computer control master station 13 wireless communication module is installed and by data signal line with pass down data radio station 16 and be connected.Slave computer control substation 14 also wireless communication module is installed and by data signal line with upload data radio station 15 and be connected.The WLAN (wireless local area network) consisted of above-mentioned wireless communication module between data radio station 15 of uploading passing down data radio station 16 and the connection of slave computer control substation 14 that slave computer controls master station 13 connection is connected, and carries out data transmission.Wherein sensor is used for the operational factor of collection site coal washing equipment, the signal such as pipeline pressure, position in storehouse.PLC centralized control system based on wireless telecommunications is applied to coal preparation plant by the utility model, solve the technical barrier that communication cable wiring is complicated, cable bad rate is high, achieve the covering of wireless network within the scope of the raising of coal preparation plant's centralized control system data wireless communication and automatization level and plant area of coal preparation plant, further developing of the networking of coal preparation plant of China and automatic technology can be promoted.
Embodiment 2:
On the basis of embodiment 1, the concrete model of wireless communication module is Siemens CP340, forms an entirety of coal preparation plant PLC centralized control system by upper computer control system and lower computer control system by wireless telecommunication system.The system monitoring interface of upper computer control system uses Wincc configuration software configuration to complete, and upper computer control system mainly realizes supervision, opertaing device start and stop, produced on-site process and fault alarm etc.; Described slave computer controls master station 13 specifically Siemens S7-300 PLC, and slave computer controls substation 14 specifically Siemens ET200M distributed I/O substation; Lower computer control system control program uses STEP7 software programming, by configuration I/O mouth, wiring, realizes the collection to coal preparation plant's on-site signal and the control to equipment.Master station S7-300 PLC overlaps CP340 wireless communication module, CP340 module with under pass data radio station 16 and be connected by RS485/232 data line; The CP340 module that substation ET200M distributed I/O substation is connected is connected to by RS485/232 data line uploads data radio station 15, the wireless telecommunications between S7-300 PLC master station and ET200M distributed I/O substation can be realized, the host computer of monitoring communicates with S7-300 PLC master station with MPI bus mode, can realize the monitoring to substation ET200M distributed I/O substation.Lower biography data radio station 16 and upload data radio station 15 and select D-link to reach FC-201/J series, wireless telecommunications scheme system connection layout as shown in Figure 1.Host computer industrial computer 11 is communicated by Industrial Ethernet with S7-300PLC master station, adopt TCP/IP communications protocol, communication between S7-300PLC master station with ET200M distributed I/O substation then to be communicated with data radio station by CP340 module and realizes, and adopts Modbus communications protocol.Wireless telecommunication system completes the data transmission between slave computer master station and substation.
The realization of wireless telecommunications: S7-300 PLC master station sends the data of 7 bytes to ET200M distributed I/O substation, then receives and stores 6 byte datas that ET200M distributed I/O substation returns, thus realizing wireless telecommunications program.Wherein, in 7 bytes that S7-300 PLC master station sends, 1st byte is address information, 2nd, 3,4 bytes are the control data information needing to transmit, 5th, 6 bytes be the 1st, the XOR value of 2 bytes and the 3rd, 4 bytes, as verification judgement information, the 7th is that byte data information is meaningless, is only used to the receive character interrupt routine of a triggering ET200M distributed I/O substation.In 6 bytes that ET200M distributed I/O substation sends to S7-300 PLC master station, 1st byte is the station address information of ET200M distributed I/O substation, 2nd, 3,4 bytes are the external signal status data information that ET200M distributed I/O substation gathers, the 5th, 6 bytes are check information.
S7-300 PLC master station adopts polling mode and ET200M distributed I/O sub-station communication, namely sends data to main building I/O substation 17 in 1s, then receive data that main building I/O substation 17 returns (ET200M distributed I/O divide to stand in receive after S7-300 PLC master station sends data send data to S7-300 PLC master station at once); Send data to run coal bin I/O substation 18 in 2s, then receive the data that run coal bin I/O substation 18 returns; Send data to loading station I/O substation 19 in 3s, then receive the data that loading station I/O substation 19 returns; Carry out successively, ceaselessly communication cycle.
This wireless telecommunication system scheme reaches power data radio station in FC-201/J series mainly through D-link provides the wireless signal within the scope of plant area of coal preparation plant, wireless aps can be set up by wireless network equipment bridge joint in the place weak for wireless signal within the scope of plant area of coal preparation plant, namely set up hotspot, thus realize the structure stablizing WLAN (wireless local area network) within the scope of plant area.Within the scope of described WLAN (wireless local area network), all kinds of wireless terminal device can be applied in scene, signal stabilization, disturbs few region to use wireless senser etc.It is complicated that described wireless telecommunication system can solve production scene wiring, the problems such as the cable life-span is short, difficult in maintenance, is also beneficial to the application of wireless device in coal washing process and popularization.
Slave computer controls master station S7-300 PLC and ET200M distributed I/O substation and carries out data wireless transmission by data radio station, effectively can solve the restriction of host computer, slave computer master station and slave computer substation position arrangement, consider that slave computer substation is generally placed in from the region close to production equipment, if but ensure within the scope of signal stabilization transmission range, host computer and slave computer master station can not limit to and be placed in production equipment region, thus centralized control center can away from Production Regional, solving production noise, vibration etc. affects the able-bodied problem of staff.
Analyzing of applying effects of the present utility model:
PLC centralized control system based on wireless telecommunications is applied to coal preparation plant by the utility model, solves coal preparation plant's field wiring complicated, the technical barrier that cable bad rate is high, reduces construction volume, maintenance workload and capital construction cost.The utility model is by the wireless transmission of data between slave computer master station S7-300 PLC and ET200M distributed I/O substation, can be follow-up construction wireless network covering within the scope of plant area of coal preparation plant and lay technical foundation, make the utilization of wireless device within the scope of plant area become possibility, impel the networking of coal preparation plant of China and the upper new step of automatic technology.
The part do not described in detail in present embodiment belongs to the known conventional means of the industry, does not describe one by one here.More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.
Claims (6)
1., based on a coal preparation plant PLC centralized control system for wireless telecommunications, comprise total management system (1), production monitoring system (2) and field control system (3), it is characterized in that:
Described total management system (1) is made up of data workstation (4), network control cabinet (5), system cloud gray model unit (6) and being interconnected by Industrial Ethernet for the industrial computer (7) of integrated management, wherein, data workstation (4) receives the data message of field control system (3) through network control cabinet (5) by Industrial Ethernet, adopt industrial Shielded Twisted Pair to be connected between them; System cloud gray model unit (6) is connected with industrial Shielded Twisted Pair by data line with field control system (3), completes the driving to control system, start and stop; Industrial computer (7) is connected with the network switch in network control cabinet (5) by industrial Shielded Twisted Pair; Described data workstation (4) stores coal preparation plant Various types of data for completing, and comprises washing appliance operational factor that sensor gathers, washing monitored picture, alarm logging, record of examination and all kinds of work program form that closed-circuit television (9) gathers; Described network control cabinet (5) inside comprises the network switch and router, provides the network operation platform of coal preparation plant, exchanges data and network operation monitoring; Described system cloud gray model unit (6) provides installation, the operation platform of each program of control system; Described industrial computer (7) relies on plant area's Industrial Ethernet to be linked to ipc monitor interface by browser, is used for realizing monitoring each production run of coal preparation plant at any time;
Described production monitoring system (2) is interconnected by video camera (8), closed-circuit television (9), projector (10), industrial computer (11) and printer (12) and forms, wherein, video camera (8) is connected by VGA video line with industrial computer (11), closed-circuit television (9) is connected with industrial computer (11) by HDMI video line with projector (10), printer (12) is connected with industrial computer (11) by USB data line, realizes the monitoring of coal preparation plant's production run and completes the work of print job plan sheet;
Described field control system (3) controls master station (13) by slave computer, slave computer controls substation (14) and for gathering coal washing equipment operational factor, the various kinds of sensors of pipeline pressure and position in storehouse signal forms; Described system slave computer control master station (13) by RS485/232 data line with under pass data radio station (16) and be connected; Described slave computer control substation (14) by RS485/232 data line with upload data radio station (15) and be connected; Pass data radio station (16) under described and upload between data radio station (15) and carry out data transmission by wireless communication module connection; Slave computer is controlled master station (13) and is connected with industrial computer (11) by RS485/232 data line.
2. a kind of coal preparation plant PLC centralized control system based on wireless telecommunications as claimed in claim 1, is characterized in that: described total management system (1) each ingredient carries out data communication by Industrial Ethernet.
3. a kind of coal preparation plant PLC centralized control system based on wireless telecommunications as claimed in claim 1, it is characterized in that: the model of described wireless communication module is Siemens CP340, its quantity is 2 and is located at respectively on slave computer control master station (13) and slave computer control substation (14).
4. a kind of coal preparation plant PLC centralized control system based on wireless telecommunications as claimed in claim 1, is characterized in that: described slave computer controls master station (13) specifically Siemens S7-300 PLC.
5. a kind of coal preparation plant PLC centralized control system based on wireless telecommunications as claimed in claim 1, is characterized in that: described slave computer controls substation (14) specifically Siemens ET200M distributed I/O substation.
6. a kind of coal preparation plant PLC centralized control system based on wireless telecommunications as claimed in claim 1, is characterized in that: described to pass down data radio station (16) and upload data radio station (15) all adopt D-link to reach model that company produces be power data radio station in FC-201/J series.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105600351A (en) * | 2016-01-26 | 2016-05-25 | 安徽理工大学 | Multistage belt-type transportation centralized control device of coal cleaning plant |
| CN107562011A (en) * | 2017-10-18 | 2018-01-09 | 芜湖新兴铸管有限责任公司 | A kind of cast tube production line security protection control system and its control method |
| CN107597417A (en) * | 2017-11-06 | 2018-01-19 | 淮南矿业(集团)有限责任公司 | Coal preparation plant's centralized control system |
| CN108319219A (en) * | 2018-04-04 | 2018-07-24 | 嘉善卡勒机车零部件有限公司 | The Distributed Control System and the means of communication of locomotive element packaging production line |
| CN109631995A (en) * | 2018-12-18 | 2019-04-16 | 西安科技大学 | One kind monitoring system based on Embedded subsurface environment |
| CN109903533A (en) * | 2019-03-11 | 2019-06-18 | 上海海事大学 | A kind of wireless remote control and alarm system applied to Electrical Propulsion Ship |
| CN110324234A (en) * | 2019-05-24 | 2019-10-11 | 四川航天燎原科技有限公司 | A kind of field trial multi-party communication system and communication means |
-
2015
- 2015-05-07 CN CN201520288526.4U patent/CN204613720U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105600351A (en) * | 2016-01-26 | 2016-05-25 | 安徽理工大学 | Multistage belt-type transportation centralized control device of coal cleaning plant |
| CN105600351B (en) * | 2016-01-26 | 2018-05-18 | 安徽理工大学 | Coal washery multilevel belt type transport centralized control equipment |
| CN107562011A (en) * | 2017-10-18 | 2018-01-09 | 芜湖新兴铸管有限责任公司 | A kind of cast tube production line security protection control system and its control method |
| CN107597417A (en) * | 2017-11-06 | 2018-01-19 | 淮南矿业(集团)有限责任公司 | Coal preparation plant's centralized control system |
| CN108319219A (en) * | 2018-04-04 | 2018-07-24 | 嘉善卡勒机车零部件有限公司 | The Distributed Control System and the means of communication of locomotive element packaging production line |
| CN109631995A (en) * | 2018-12-18 | 2019-04-16 | 西安科技大学 | One kind monitoring system based on Embedded subsurface environment |
| CN109903533A (en) * | 2019-03-11 | 2019-06-18 | 上海海事大学 | A kind of wireless remote control and alarm system applied to Electrical Propulsion Ship |
| CN109903533B (en) * | 2019-03-11 | 2021-08-10 | 上海海事大学 | Wireless remote control and alarm system applied to electric propulsion ship |
| CN110324234A (en) * | 2019-05-24 | 2019-10-11 | 四川航天燎原科技有限公司 | A kind of field trial multi-party communication system and communication means |
| CN110324234B (en) * | 2019-05-24 | 2022-01-04 | 四川航天燎原科技有限公司 | Outfield test multiparty communication system and communication method |
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