CN204129500U - Wash coaling equipment system under PLC module group centralized control - Google Patents
Wash coaling equipment system under PLC module group centralized control Download PDFInfo
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- CN204129500U CN204129500U CN201320853389.5U CN201320853389U CN204129500U CN 204129500 U CN204129500 U CN 204129500U CN 201320853389 U CN201320853389 U CN 201320853389U CN 204129500 U CN204129500 U CN 204129500U
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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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- 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
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Abstract
The wash coaling equipment system that the utility model discloses under PLC module group centralized control comprises human interface device, human interface device connects industrial computer, industrial computer connects PLC module group, PLC module group connects local I/O main website, local I/O main website connects local scene input equipment, local scene output device and remote I/O substation respectively, and remote I/O substation connects remote scene input equipment and remote scene output device respectively.The beneficial effects of the utility model realize the centralized management of multiple wash coaling equipment, makes equipment control more simple and convenient, improve the control and management level of industrial automation, accomplished centralized management, decentralised control, substantially increase the reliability of system.
Description
Technical field
The utility model belongs to coal mine equipment centralized control system technical field, relates to the wash coaling equipment system under PLC module group centralized control.
Background technology
The existing control system to wash coaling equipment is connect each coal washing load equipment respectively with the I/O interface of a PLC programmable controller, realizes the control to coal washing load equipment.The existing PLC mainly containing six classes connects coal washing load equipment, wherein: the controlling functions of first kind load: motor only has start and stop, by centralized control and control two kinds of modes on the spot, has overload protection, short-circuit protection and hard stop function.The controlling functions of Equations of The Second Kind load: motor only has start and stop, has centralized control and controls two kinds of modes on the spot, having overload protection, short-circuit protection and hard stop function.Controlling functions is similar with first kind load.The controlling functions of the 3rd class load: motor has start and stop, collection control and on the spot two kinds of control modes, solid accumulation protective device, slipping protection, overload protection, short-circuit protection, starts warning device.The controlling functions of the 4th class load: density sensor and liquid level sensor.After by sensor signal being imported into the load module of PLC, export through output module again through PLC process, realize its controlling functions by frequency converter.The controlling functions of the 5th class load: liquid level sensor.After by sensor signal being imported into the load module of PLC, export through output module again through PLC process, realize its controlling functions by frequency converter.The controlling functions of the 6th class load: level transducer.After by sensor signal being imported into the load module of PLC, export through output module again through PLC process.Wash coaling equipment quantity under current existing single PLC module controls is little, and automaticity is lower, is therefore unfavorable for carrying out of large-scale coal washing project.Existing PLC module structure has following several, according to physical arrangement, programmable controller can be divided into monoblock type and modular.The average price of each I/O point of monoblock type is more cheap than modular.The Function Extension of modular programmable controller is convenient, flexible, I/O count number, input counts and the selection exporting ratio, the kind of I/O module and the block number etc. of counting, much more flexible than monoblock type PLC.Modular PLC also has multiple special I/O module and selects for user, and during maintenance, replacing module etc. are also very convenient.Size control system generally uses monoblock type programmable controller, more complicated, require that higher system generally adopts modular PLC.The mounting means of PLC is divided into the distributed of centralized, remote I/O formula and multiple stage PLC networking.Integrated system reaction is fast, cost is low, is used for mini-system.Large scale system often adopts remote I/O formula, and remote I/O can disperse to be contained in the scene of control, and I/O line is shorter, but needs remote I/O driver element.The distributed multiple devices that are applicable to of multiple stage PLC networking independently control, and need additional communications modules.
Utility model content
The purpose of this utility model is to provide the wash coaling equipment system under PLC module group centralized control, and existing wash coaling equipment system, each equipment needs connection PLC mini system, thus makes the problem of existing wash coaling equipment system architecture complexity.
The technical scheme that the utility model adopts comprises human interface device, human interface device connects industrial computer, industrial computer connects PLC module group, PLC module group connects local I/O main website, local I/O main website connects local scene input equipment, local scene output device and remote I/O substation respectively, and remote I/O substation connects remote scene input equipment and remote scene output device respectively.
Feature of the present utility model is also that PLC module group adopts C200HE model machine.
The beneficial effects of the utility model present invention employs PLC module group to connect multiple wash coaling equipment, makes whole wash coaling equipment system architecture simple.
Accompanying drawing explanation
Fig. 1 is the structural representation of the wash coaling equipment system under the utility model PLC module group centralized control.
In figure, 1. human interface device, 2. industrial computer, 3.PLC module group, 4. local I/O main website, 5. local scene input equipment, 6. local scene output device, 7. remote I/O substation, 8. remote scene input equipment, 9. remote scene output device.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
The utility model comprises human interface device 1 as shown in Figure 1, human interface device 1 connects industrial computer 2, industrial computer 2 connects PLC module group 3, PLC module group 3 connects local I/O main website 4, local I/O main website 4 connects local scene input equipment 5, local scene output device 6 and remote I/O substation 7 respectively, and remote I/O substation 7 connects remote scene input equipment 8 and remote scene output device 9 respectively.PLC module group 3 adopts C200HE model machine.
This control system can be divided into direct control level, production manager level and process management level three grades.Direct control level is local I/O main website 4 and remote I/O substation 7, and process management level is PLC module group 3, and production manager level is industrial computer 2.Industrial computer 2, PLC module group 3, local I/O main website 4 and remote I/O substation 7 are connected by interface module by RS485 bus.Its control core is PLC module group 3.Field apparatus is controlled by the program of PLC module group 3 inside by local I/O main website 4 and remote I/O substation 7, and the operating condition of field apparatus can be monitored by industrial computer 2; C200HE is the one in OMRON company C series H type machine, is the fabricated structure of PLC module, is made up of substrate and PLC module.C200HE is bus fabricated structure, and substrate is its bus, and all PLC module are all contained on substrate.The right-hand member of substrate is the power module of CPU module or striking machine or long-range slave station module.In operational process, first instruction is sent to industrial computer 2 by human interface device 1, instruction accepts to pass to PLC module group 3 by industrial computer 2, after PLC module group 3 processing instruction, formation control information sends to local I/O main website 4, local I/O main website 4 is by after control information process, local scene input equipment 5 and local scene output device 6 are controlled, or through local I/O main website 4, control information is sent to remote I/O substation 7, then remote I/O substation 7 is by after control information process, controls remote scene input equipment 8 and remote scene output device 9.In this control system, most of equipment is all low capacity three-phase current motor, this equipment controls comparatively simple, if do not consider device start and parking linkage relationship, then input element only needs start button, stop button two, output element is the coil of a contactor; This equipment is unnecessary arranges too much protection, only establishes short-circuit protection and overload protection in native system.Consider that the cost of a PLC I/O point is tens to hundreds of yuan, in order to reduce I/O point consumption, the fuse of short-circuit protection and the thermal relay normally closed contact of overload protection are connected on PLC output loop.In addition, in native system, most of equipment has linkage relationship, chain according to software, can reduce PLC input point consumption; But, according to this way, consider that in system, undesired signal is more, then linkage relationship is not too reliable, is exactly specifically, when the output relay of PLC is connected, even if the output device of reality does not connect operation, then softly chainly also to work, thus cause equipment malfunction to do, so the chained approach of equipment is existing soft chain in native system, have again firmly chain.
The integrated multiple wash coaling equipment of the utility model, reduces because of can not handling failure and the loss caused in time, makes equipment control more simple and convenient, improve the control and management level of industrial automation, accomplish centralized management, decentralised control, substantially increase the reliability of system.
The method of the wash coaling equipment Systematical control wash coaling equipment under the PLC module group centralized control that the utility model provides is:
Human interface device 1 sends instruction to industrial computer 2, instruction is passed to PLC module group 3 by industrial computer 2, after PLC module group 3 processes the instruction that industrial computer 2 sends over, formation control information sends to local I/O main website 4 or sends to remote I/O substation 7 by local I/O main website 4, local I/O main website 4 performs control information control local scene input equipment 5 and equipment is opened according to the direction of inverse coal stream or inverse spoil stream by local scene output device 6 successively, or along coal stream or along the direction of spoil stream, equipment is stopped successively, remote I/O substation 7 performs control information control remote scene input equipment 8 and equipment is opened according to the direction of inverse coal stream or inverse spoil stream by remote scene output device 9 successively, or along coal stream or along the direction of spoil stream, equipment is stopped successively.
In the utility model, the opening sequence of coal preparation plant's equipment should be undertaken by the direction of inverse coal stream or inverse spoil stream, and stopping procedure should be undertaken by along coal stream or along the direction of spoil stream, and has latching relation, namely plays parking and then can not carry out not according to order.During automatic driving, there is delay function, peak current when equipment dragging motor starts can be escaped, reduce the impact to electrical network; During orderly shutdown, also there is time delay enough for a long time, ensure to drain remaining material on production equipment, for the light-load starting of equipment is next time ready.The principle of design of coal preparation plant's centralized control system is when centralized control, and equipment, stops by along coal flow path direction in groups or by the cycling start of platform order in groups or by platform chronologically by inverse coal flow path direction.The delay time arranged during automatic driving should be able to escape the peak current of starting outfit, and Parking duration should ensure the leftover materials drained on production equipment.In startup with normal to run, between each equipment, be provided with electrical interlocks, make all may cause equipment failure because of material stock or cause metal run out, run the equipment that material makes workshop condition worsen there is turn function; In extraordinary circumstances, pulpit can realize stopping in emergency, and when any control, field apparatus all can stop on the spot.The each equipment participating in collection control when centralized control can not be driven on the spot, when centralized control, before cycling start, send cycling start anticipating signal by pulpit to scene, through time delay, each equipment in system is by the automatic cycling start of requirement of latching relation and sequential, sending in anticipating signal and system cycling start process to scene, anticipating signal all can be cancelled in on-the-spot and pulpit, stops cycling start process, and sends sound and light alarm.When equipment failure, ordinary accident only makes audio alert, acts on parking to the accident affecting equipment operation and on-the-spot driver's personal safety simultaneously.
Embodiment 1, in the utility model, PLC module I/O allocation table is as following table:
Table 1 first kind load I/O I/O allocation table
Table 2 Equations of The Second Kind load I/O I/O allocation table
Table 3 the 3rd class load I/O I/O allocation table
Table 4 the 4th class load I/O I/O allocation table
Table 5 the 5th class load I/O I/O allocation table
PLC master station comprises 1 CPU frame, 1 expansion I/O frame and remote I/O main website C200H-RM201.The CPU element of PLC is C200HE-CPU42-E, as controlling center, and user program capacity 7.2KB, data storage capacity 6KB, carries communication module C200HW-COM06-E; By analysis, slack coal separation system be input as 17 C200H-IA222, output module is, 4 C200H-OC224.The present embodiment is used for the technological transformation project of Jiaozhuo Zhongmachun coal preparation plant of Coal Industry Group company.Zhongmachun coal preparation plant is under the jurisdiction of Jiaozhuo, Henan Province Coal Industry Group Zhongmachun.Jiaozhuo Coal Industry Group is the old mining area being located in Central Plains, is one of the anthracitic main energy sources base abounding with low-sulfur, low-phosphorous, middle ash, golf calorific value.Zhongmachun is also stone coal mine, is positioned at eight kilometers, Jiaozuo City eastern suburb, in the administrative area under control, Jiaozuo City Macun District of Yu Mai southern foot, Taihang Mountain.Zhongmachun is former be designed to simple dirt extraction after, with mixed raw coal supply user.Along with user is to the raising of product requirement, Jiaozhuo Coal Industry Group is simply transformed on original basis, and the simple and easy part lump coal that started slips washing trough facilities for the dressing of coal by washing.This plays certain effect to the economic benefit improving this ore deposit over a period to come.But down-hole raw coal coal varitation is very large at present, and along with the change in market, user also been proposed new requirement to product, former easy lump coal production system can not meet the requirement of market and user's change, in order to improve product structure, increase economic efficiency, Zhongmachun coal preparation plant has carried out technological transformation to lump coal and smalls system again respectively.Lump coal system adopts lump coal flowing current separation machine namely to slip washing trough discharge refuse, the joint process that dense-medium shallow-tank selects again; End raw coal process coal preparation flowsheet is: 13-0mm level end raw coal is through 0.75mm desliming, and screen overflow removes mixing tank, is raised to three-product HM cyclone sorting by pump, goes out fine cleaned coal, middle coal, spoil three kinds of products.Coarse grain coal slime mixes fine cleaned coal after high-frequency screen reclaims, and fine slime, after kaskad apparatus for pre-flotation pulp conditioning prepares, enters flotation machine flotation.Floatation clean coal, after pressing filter filters, mixes dense medium fine cleaned coal, and floating tail-coal, through concentrated press filtration, is sold with landing.The raw coal output 0.70Mt/a of the existing mine of Zhongmachun, wherein 80-13mm level lump coal accounts for 40%, and lump coal washing improvement project processing power is pressed 0.30Mt/a and considered; 13-0mm level smalls accounts for 60%, i.e. about 0.42Mt/a, but according to scene reflection, possibility this value a little higher than sometimes, so smalls washing technology innovation project presses 0.50Mt/a design.Control system of the present utility model is have employed after washing system transformation.The centralized control system of Zhongmachun coal preparation plant is mainly divided into two aspects: first is PLC key-course, and lump coal separation and smalls sorting share a PLC and control.According to coal preparation plant's centralized control equipment selection technique regulation, this engineering establishes distant station to be connected by the main website of control cables with lump coal Shop floor control room in smalls system power room, Shi Quan factory forms a unified Controling network.The CPU element of lump coal separation system PLC is C200HE-CPU42-E, as controlling center, user program capacity 7.2KB, data storage capacity 6KB, the discrete magnitude load module of lump coal separation system is 9 C200H-IA222, discrete magnitude output module is 6 C200H-OC224, and Analog input mModule is C200H-AD003, and communication module is C200H-RM201; The control device of slack coal separation system is the remote I/O substation of PLC, the discrete magnitude load module of slack coal separation system is 8 C200H-IA222, discrete magnitude output module is 4 C200H-OC224, and Analog input mModule is 4 C200H-AD003, and communication module is C200H-RM201.Communicated by RS485 bus between the remote I/O substation of slack coal separation system and the CPC unit of main website PLC.Second aspect is industrial computer 2 supervisory layers.Its major function is that field data people's easy understand of PLC module group 3 being processed and solid mode show, and sends the operational order that dispatcher issues to PLC and performs.By said system, coal preparation plant Quan Chang is organically combined into an entirety, Control and Schedule is flexible, and have higher automatization level, production efficiency significantly improves; Strengthen full factory production system to the adaptive faculty of raw coal coal varitation, and can adjust the product mix at any time and product quality according to the requirement of users at home and abroad, produce high-quality, good stability, meet the coal product of market demands.In addition, also pulverized coal injection into blast furna can be produced according to market demand, to improve Business Economic Benefit.
Claims (1)
- Wash coaling equipment system under 1.PLC module group centralized control, it is characterized in that: comprise human interface device (1), human interface device (1) connects industrial computer (2), industrial computer (2) connects PLC module group (3), PLC module group (3) connects local I/O main website (4), local I/O main website (4) connects local scene input equipment (5) respectively, local scene output device (6) and remote I/O substation (7), remote I/O substation (7) connects remote scene input equipment (8) and remote scene output device (9) respectively, described PLC module group (3) adopts C200HE model machine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320853389.5U CN204129500U (en) | 2013-12-24 | 2013-12-24 | Wash coaling equipment system under PLC module group centralized control |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320853389.5U CN204129500U (en) | 2013-12-24 | 2013-12-24 | Wash coaling equipment system under PLC module group centralized control |
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| CN204129500U true CN204129500U (en) | 2015-01-28 |
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| CN201320853389.5U Expired - Fee Related CN204129500U (en) | 2013-12-24 | 2013-12-24 | Wash coaling equipment system under PLC module group centralized control |
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Cited By (4)
| 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 |
| CN106733147A (en) * | 2016-12-29 | 2017-05-31 | 中国神华能源股份有限公司 | The startup method and device of automatic Recognition Applied in Coal Preparation System |
| CN109761456A (en) * | 2019-03-21 | 2019-05-17 | 陕西理工大学 | One kind being used for sewage treatment plant's electric control system |
| CN111007826A (en) * | 2020-03-09 | 2020-04-14 | 天津美腾科技股份有限公司 | Parking starting control method and device and electronic equipment |
-
2013
- 2013-12-24 CN CN201320853389.5U patent/CN204129500U/en not_active Expired - Fee Related
Cited By (6)
| 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 |
| CN106733147A (en) * | 2016-12-29 | 2017-05-31 | 中国神华能源股份有限公司 | The startup method and device of automatic Recognition Applied in Coal Preparation System |
| CN106733147B (en) * | 2016-12-29 | 2019-04-02 | 中国神华能源股份有限公司 | The starting method and device of automatic Recognition Applied in Coal Preparation System |
| CN109761456A (en) * | 2019-03-21 | 2019-05-17 | 陕西理工大学 | One kind being used for sewage treatment plant's electric control system |
| CN111007826A (en) * | 2020-03-09 | 2020-04-14 | 天津美腾科技股份有限公司 | Parking starting control method and device and electronic equipment |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20151224 |