CN201255836Y - Electric wire type in-situ bus coal blocking vibration control system - Google Patents
Electric wire type in-situ bus coal blocking vibration control system Download PDFInfo
- Publication number
- CN201255836Y CN201255836Y CNU2008202216725U CN200820221672U CN201255836Y CN 201255836 Y CN201255836 Y CN 201255836Y CN U2008202216725 U CNU2008202216725 U CN U2008202216725U CN 200820221672 U CN200820221672 U CN 200820221672U CN 201255836 Y CN201255836 Y CN 201255836Y
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- control system
- rapping
- chute blockage
- control
- master control
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a power line type field bus coal blockage vibration beating control system, which comprises a power supply system, a master PLC control system, a coal blockage vibration heating device control system, and a remote control signal transmission system between the master PLC control system and the coal blockage vibration heating device control system, wherein the signal transmission system comprises a master controller, sub controllers and cables, the master PLC control system has bidirectional communication with the coal blockage vibration heating device control system and is connected with the master controller via communication or cable connection, the master controller is connected with one or more independent sub controllers via cables, and the sub controllers are connected with a vibration beating motor of the coal blockage vibration beating motor via an I/O interface circuit. The power line type field bus coal blockage vibration beating control system has low investment and operation cost, strong transmission control signal interference resistance, and the ability for effectively resolving the reliability, advancement, flexibility, operation, debugging and simple cable laying problems of remote control system for multiple devices.
Description
Technical field
The utility model relates to the power electronics technical field of automatic control, especially relates to a kind of line of electric force formula fieldbus chute blockage rapping control system that is applicable in the fortune coal measures systems such as mine, metallurgy.
Background technology
At present, each transfer station chute blockage rapping apparatus One's name is legion in the fuel-burning power plant, control function is single, and existing fuel-burning power plant fortune coal automated system PLC implementation exists that the umbilical cable consumption is big, engineering one-time investment expense height, the construction period is long, system's operation maintenance difficulty is big, system for field forceful electric power interference problem is serious.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of line of electric force formula fieldbus chute blockage rapping control system is provided, its system equipment investment and operating cost are low, the transmission of control signals antijamming capability is strong, can effectively solve the simplicity problem of reliability, advance, dirigibility and operation operation, debugging and the cable laying of long-range multiple devices control system.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of line of electric force formula fieldbus chute blockage rapping control system, comprise power supply system, main PLC control system and chute blockage rapping apparatus body control system and the distant place control signal transmission system between the two, it is characterized in that: described distant place control signal transmission system comprises master control set, distributed control device and cable, be two-way communication between wherein main PLC control system and the chute blockage rapping apparatus body control system, be connected with communication modes or hardwire mode between main PLC control system and master control set, master control set links to each other with one or more separate distributed control devices by cable; Described master control set and distributed control device are by system works circuit and power supply and choke circuit composition, master control set system works circuit is made up of low voltage power line carrier module one and communications protocol function modular converter one, and distributed control device system works circuit is made up of low voltage power line carrier module two, communications protocol function modular converter two and I/O interface circuit; Distributed control device joins by the electric motor of shaker of described I/O interface circuit and described chute blockage rapping apparatus.
Be connected with communication modes between described main PLC control system and master control set, and connect by the third party device interface module between the two.
Described master control set and third party device interface module all are arranged in the distant station.
All be connected between distributed control device and the cable between described master control set and the cable by terminal row.
Described master control set is one or more.
Described each master control set links to each other with a plurality of distributed control devices by many cables.
Described many cables are divided into many groups, and a plurality of distributed control devices are divided into many groups, and each master control set links to each other with polycomponent control device by many group cables.
The quantity of the electric motor of shaker of described each distributed control device control is one or two.
Described distributed control device is installed in the electric cabinet on the spot of described chute blockage rapping apparatus.
The utility model compared with prior art has the following advantages: 1, equipment occupation space is relatively little, and the on-the-spot installation site of each equipment is operated and be need not to consider separately to the master control set of employing and distributed control device; 2, adopt the line of electric force field bus technique, control signal is transmitted with carrier system, have only with frequently signal and just can cause interference, thereby this interference can predict and be eliminated by various measures, improve the antijamming capability of system thus greatly system; 3, small investment adopts unit cable direct-burried or cable installation in pipe mode, and cable duct is not set, and has also made things convenient for the cleaning of cable; In addition its with the remote system interface between adopt serial communication mode mode to be connected thereby expense few; 4, multipotency reaches the degree of protection of IP67 level; 5, construction, debug time are very short, simultaneously construction cost extremely low, almost do not have a cable maintenance expense, the simple and intelligent degree height of operation maintenance program; 6, the control place be provided with at first less and the control operational mode flexible, the chute blockage rapping apparatus on the spot, the defeated program control chamber of coal all can carry out control operation and can arbitrarily control any electric motor of shaker operation in program control chamber at any time; 7, convenient according to field wiring, simple installation, raise labour efficiency greatly and application mode flexible, during installation, it is online only the distributed control device of each chute blockage rapping apparatus need to be articulated in line of electric force formula fieldbus, and the laying structure of bus is free topological structure between master control set and distributed control device, convenient according to field wiring, can corresponding employing tree type, structure such as star-like or ring-like, the construction working amount greatly reduces, its MCC cabinet face number reduces, program control cabinet quantity reduces, cable radical and length sharply reduce, field wiring and school line workload sharply reduce, therefore greatly shortened the engineering construction cycle, accelerated the engineering construction progress, the integrated automation level of control system improves greatly simultaneously; 8, widely applicable, not only applicable to electric power, electron trade automation control area, can open up in the automation control system of multiple industry electromechanical equipments such as extensively applying to mine, metallurgy; 9, adopt connect up simply and easily VV or KVV cable as the carrier of fieldbus signal transmission, both had site operation and safeguarded characteristic of simple, have all advantages of other common field bus technology again, and equipment price is cheap.To sum up, system architecture is simply clear, automaticity is high, the cable consumption is few, the site operation workload is little, antijamming capability is strong, operation maintenance is convenient, system reliability is high, the overall technology index is good, for the construction of fuel-burning power plant brings tangible economic benefit.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model.
Fig. 2 is the structured flowchart of the utility model distributed control device.
Description of reference numerals:
1-power supply system; 2-main PLC control system; 6-cable;
7-distant station; 8-master control set; 9-third party device interface mould
Piece;
11-master control set system works, 12-power supply and choke circuit one; 13-low voltage power line carrier
Circuit; Module one;
14-communications protocol function conversion, 15-distributed control device; The worker of 16-distributed control device system
Module one; Make circuit;
17-low voltage power line carrier two; 18-communications protocol function conversion, 19-electric motor of shaker;
Module two;
20-on the spot electric cabinets; 21-terminal row; 22-power module;
24-power supply and choke circuit two.
Embodiment
As shown in Figure 1, the utility model comprises power supply system 1, main PLC control system 2 and chute blockage rapping apparatus body control system and the distant place control signal transmission system between the two.Described distant place control signal transmission system comprises master control set 8, distributed control device 15 and cable 6, be two-way communication between wherein main PLC control system 2 and the chute blockage rapping apparatus body control system, 8 of main PLC control system 2 and master control sets are connected with communication modes or hardwire mode, in this embodiment, connect by third party device interface module 9 between the two, promptly adopt communication modes to connect.And master control set 8 all is arranged in the distant station 7 with third party device interface module 9, and the hardware connection point between promptly main PLC control system 2 and the master control set 8 is distributed in the distant station 7.Described third party device interface module 9 is powered by power module 22.According to concrete needs, the quantity of master control set 8 is one or more, master control set 8 links to each other with one or more separate distributed control devices 15 by cable 6, and wherein each master control set 8 can link to each other with coupled a plurality of distributed control devices 15 by one group of many cable 6; Or many cables 6 are divided into many groups, and a plurality of distributed control devices 15 that link to each other with each master control set 8 are also corresponding to be divided into many groups, and each master control set 8 links to each other with polycomponent control device 15 by organizing cables 6 more.Like this, a plurality of distributed control devices 15 that each master control set 8 is linked to each other are divided into a plurality of groups, and each master control set 8 correspondence links to each other with the polycomponent control device 15 that is divided into respectively by many groups cable 6.When distributed control device 15 quantity of each master control set 8 required control more for a long time, then the distributed control device 15 of required control is divided into many groups by grouping.In the present embodiment, will be divided into two groups with a plurality of distributed control devices 15 that a master control set 8 links to each other.To sum up, be two-way communication between main PLC control system 2 and the chute blockage rapping apparatus body control system, main PLC control system 2 is controlled by the one or more separate master control set 8 in 9 pairs of control signal transmission systems of third party device interface module; Each master control set 8 passes to coupled one or more separate distributed control device 15 by cable 6 with the control signal of main PLC control system 2, and distributed control device 15 is oppositely uploaded the corresponding state information of chute blockage rapping apparatus again to main PLC control system 2 simultaneously.Described distributed control device 15 is installed in the electric cabinet on the spot 20 of described chute blockage rapping apparatus.
Be connected by cable 6 between described master control set 8 and the distributed control device 15, and master control set 8 all is connected by terminal row 21 with 6 on cable with cable 6, distributed control device 15, its cable 6 is KVV or VV type cable.
As shown in Figure 2, master control set 8 and distributed control device 15 are by system works circuit and power supply and wave arrestment loop composition.Wherein master control set system works circuit 11 is made up of low voltage power line carrier module 1 and communications protocol function modular converter 1, and one 12 pairs of master control set system works of power supply and wave arrestment loop circuit 11 is powered and the various noises that may exist master control set system works circuit 11, interference wave etc. have obstruction and buffer action.Described distributed control device system works circuit 16 is made up of low voltage power line carrier module 2 17, communications protocol function modular converter 2 18 and I/O interface circuit, and power supply and choke circuit 2 24 equally distributed control device system works circuit 16 powered and the various noises that may exist distributed control device system works circuit 16, interference wave etc. have and hinder and buffer action; Distributed control device 15 joins by the electric motor of shaker 19 of I/O interface circuit and described chute blockage rapping apparatus, and corresponding control is carried out in the action of electric motor of shaker 19.Each distributed control device 15 is corresponding to join with one or two electric motor of shaker 19.
That is to say, can be connected by serial communication mode, hardwire or twisted-pair feeder mode between master control set 8 and the telecommunication module, between master control set 8 and the distributed control device 15, between each distributed control device 15 all the cable 6 by terminal row 21 and KVV or VV type join.Arbitrary distributed control device 15 can be isolated fully during execute-in-place, convenient with the maintenance that guarantees each distributed control device 15; And after it is quit work, can not influence other distributed control device 15 work fully at any distributed control device 15 of maintenance.
In the practice according to the real needs index of building fuel-burning power plant, can the different allocation plan of corresponding selection, the master control set 8 and the distributed control device 15 of corresponding configuration varying number.In this embodiment, adopt a master control set 8 directly to control two groups of a plurality of distributed control devices 15, when the quantity of the distributed control device 15 of need control relatively more after a little while, then can not divide into groups.
In concrete operational process, master control set 8 mainly finish and main PLC control system 2 between interface communication, and fieldbus distributed control device 15 between communication, the distributed control device 15 of its control is controlled functions such as coordination.Interface between the host CPU of master control set 8 and program control indoor main PLC control system 2 comprises and receives the steering order that stored program controlled is sent, simultaneously again with the action status information of chute blockage rapping apparatus, execution state information, packing data such as failure message and upload synchronously, feed back in the host CPU of program control indoor main PLC control system 2 on the spot on the spot.Be that master control set 8 receives steering order that main PLC control system 2 sends and the distributed control device 15 that this steering order is sent to each chute blockage rapping apparatus on the one hand, control the start and stop of each chute blockage rapping apparatus, receive self check and status information that each chute blockage rapping apparatus distributed control device 15 of living in returns simultaneously, return to main PLC control system 2 in the defeated receivable mode of coal stored program controlled and show.
And distributed control device 15 is mainly finished on the spot various steering logics of chute blockage rapping apparatus body, receives the distant place steering order that fieldbus master control set 8 sends and is carried out, prepares the required various data of defeated coal stored program controlled etc.Be that the main effect of distributed control device 15 is to receive master control set 8 and sends the start and stop instruction, and the status information of chute blockage rapping apparatus body is fed back to master control set 8, finish the relevant control on the spot of chute blockage rapping apparatus body simultaneously.Simultaneously, the effect of wave arrestment device is high-frequency signal in this control system and ambient systems isolated, in order to avoid system impacts and disturbs to external world.
The concrete course of work of the present utility model is: the host CPU of program control indoor main PLC control system 2 by the telecommunication module to master control set 8 transfer control instructions, be transformed to high-frequency signal behind the modulation circuit of this digital controlled signal in communications protocol function modular converter 1, low voltage power line carrier module 1, be sent to the two component control devices 15 that it is controlled respectively through terminal row 21 and the KVV type cable high-frequency signal after with conversion again; Distributed control device 15 demodulator circuit in low voltage power line carrier module 2 17, communications protocol function modular converter 2 18 equally successively is transformed to digital control instruction with high-frequency signal and is sent to chute blockage rapping apparatus body control system, realizes corresponding control to this body action of chute blockage rapping apparatus by the control to electric motor of shaker 19.Simultaneously, distributed control device 15 is with information data packing such as the motion state of the chute blockage rapping apparatus body collected, malfunction and upload, is to be uploaded to master control set 8 behind the high-frequency signal by the modulation circuit in communications protocol function modular converter 2 18, the low voltage power line carrier module 2 17 with signal transformation, and the demodulator circuit in low voltage power line carrier module 1, communications protocol function modular converter 1 feed back to motion state signal the host CPU of program control indoor main PLC control system 2 equally successively.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (9)
1. line of electric force formula fieldbus chute blockage rapping control system, comprise power supply system (1), main PLC control system (2) and chute blockage rapping apparatus body control system and the distant place control signal transmission system between the two, it is characterized in that: described distant place control signal transmission system comprises master control set (8), distributed control device (15) and cable (6), be two-way communication between wherein main PLC control system (2) and the chute blockage rapping apparatus body control system, be connected with communication modes or hardwire mode between main PLC control system (2) and master control set (8), master control set (8) links to each other with one or more separate distributed control devices (15) by cable (6); Described master control set (8) and distributed control device (15) are by system works circuit and power supply and choke circuit composition, master control set system works circuit (11) is made up of low voltage power line carrier module one (13) and communications protocol function modular converter one (14), and distributed control device system works circuit (16) is made up of low voltage power line carrier module two (17), communications protocol function modular converter two (18) and I/O interface circuit; Distributed control device (15) joins by the electric motor of shaker (19) of described I/O interface circuit and described chute blockage rapping apparatus.
2. according to the described line of electric force formula of claim 1 fieldbus chute blockage rapping control system, it is characterized in that: be connected with communication modes between described main PLC control system (2) and master control set (8), and connect by third party device interface module (9) between the two.
3. according to the described line of electric force formula of claim 2 fieldbus chute blockage rapping control system, it is characterized in that: described master control set (8) all is arranged in the distant station (7) with third party device interface module (9).
4. according to claim 1,2 or 3 described line of electric force formula fieldbus chute blockage rapping control system, it is characterized in that: all be connected between described master control set (8) and the cable (6) and between distributed control device (15) and the cable (6) by terminal row (21).
5. according to claim 1,2 or 3 described line of electric force formula fieldbus chute blockage rapping control system, it is characterized in that: described master control set (8) is for one or more.
6. according to claim 1,2 or 3 described line of electric force formula fieldbus chute blockage rapping control system, it is characterized in that: described each master control set (8) links to each other with a plurality of distributed control devices (15) by many cables (6).
7. according to claim 1,2 or 3 described line of electric force formula fieldbus chute blockage rapping control system, it is characterized in that: described many cables (6) are divided into many groups, a plurality of distributed control devices (15) are divided into many groups, and each master control set (8) links to each other with polycomponent control device (15) by many group cables (6).
8. according to claim 1,2 or 3 described line of electric force formula fieldbus chute blockage rapping control system, it is characterized in that: the quantity of the electric motor of shaker (19) of described each distributed control device (15) control is one or two.
9. according to claim 1,2 or 3 described line of electric force formula fieldbus chute blockage rapping control system, it is characterized in that: described distributed control device (15) is installed in the electric cabinet on the spot (20) of described chute blockage rapping apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202216725U CN201255836Y (en) | 2008-09-28 | 2008-09-28 | Electric wire type in-situ bus coal blocking vibration control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202216725U CN201255836Y (en) | 2008-09-28 | 2008-09-28 | Electric wire type in-situ bus coal blocking vibration control system |
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| Publication Number | Publication Date |
|---|---|
| CN201255836Y true CN201255836Y (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202216725U Expired - Fee Related CN201255836Y (en) | 2008-09-28 | 2008-09-28 | Electric wire type in-situ bus coal blocking vibration control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477533A (en) * | 2014-12-22 | 2015-04-01 | 武汉衡万通输送设备科技有限公司 | Control system for raw coal silo blockage preventers |
-
2008
- 2008-09-28 CN CNU2008202216725U patent/CN201255836Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477533A (en) * | 2014-12-22 | 2015-04-01 | 武汉衡万通输送设备科技有限公司 | Control system for raw coal silo blockage preventers |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090610 Termination date: 20110928 |