CN101436047A - Control system of industrial production material transferring equipment - Google Patents
Control system of industrial production material transferring equipment Download PDFInfo
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- CN101436047A CN101436047A CNA2008101364777A CN200810136477A CN101436047A CN 101436047 A CN101436047 A CN 101436047A CN A2008101364777 A CNA2008101364777 A CN A2008101364777A CN 200810136477 A CN200810136477 A CN 200810136477A CN 101436047 A CN101436047 A CN 101436047A
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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]
Abstract
The invention discloses a control system for industrial production material transfer equipment, wherein an executing mechanism of the material transfer equipment is motors used for driving the load. The control system is characterized in that a PLC (9) is arranged in the control system, and is connected with the motors used for driving the load through a frequency converter (3) and a current transformator (8) respectively. With the technical scheme, the control system automatically controls the operation of the equipment and detects faults of the equipment through a method that the PLC obtains the actual operating current of the motors and performs the comparison and judgment with preset values, does not need to install any switch and any field mechanism and equipment, realizes the limit control to the operating equipment, can also perform overload protection and overcurrent protection to the equipment, track and predict the faults of the equipment, promote the maintenance level of the equipment, effectively prevent accidents, and ensure that the safety of the equipment is improved, and has small equipment investment and broad application range.
Description
Technical field
The invention belongs to the technical field of industrial material transferring equipment, specifically, the present invention relates to described material transferring equipment control, the control system of equipment failure monitoring and safeguard protection.
Background technology
At present, in commercial production, particularly in industries such as metallurgy, the energy, traffic, to the conveying widespread material transferring equipment of material.The master who the running of this kind equipment is played control action makes gauge tap a lot, and as position switches such as optoelectronic switch, travel switch, heat induction switch, these switches all are traditional object construction, is installed in the on-the-spot place that needs control.Because on-the-spot environment is poor, position switch is often damaged, the purpose that very difficult realization will be controlled.
For example, in Iron and Steel Production, when the feeding cart of furnace charge orbits, because mechanical accidents such as track abrasion deformation cause dolly to slide down; Roll wear seriously comes off, and makes dolly machinery in the process of material loading stuck, if there is not electric prospection, is easy to take place bigger equipment breakdown.But a lot of same categories of device is not all taked the corresponding protection measure now.
Summary of the invention
Problem to be solved by this invention provides a kind of control system of industrial production material transferring equipment, its objective is to utilize PLC to realize automatic control to material transferring equipment according to the current signal of motor.
To achieve these goals, the technical scheme taked of the present invention is:
The control system of this industrial production material transferring equipment provided by the present invention, wherein, the topworks of material transferring equipment is provided with PLC for driving the motor of load in the described control system, described PLC is connected with the motor that drives load by one of following manner:
1, described PLC is connected with the motor that drives load by frequency converter;
2, described PLC is connected with the motor that drives load by current transformer;
3, described PLC is connected with the motor that drives load respectively by the frequency converter summation current transformer.
For making the present invention more perfect, more detailed and concrete technical scheme below also further having proposed, to obtain best practical function, realize goal of the invention better, and improve novelty of the present invention and creativeness:
The above-described PLC of being is connected with frequency converter by fieldbus.
Described PLC is connected with current transformer by signal wire.
For the real-time monitoring that realizes keeping the safety in production, above-mentioned PLC access network based on ethernet, and be connected with host computer by switch.
In the PLC that the present invention relates to, be provided with the storage unit of the described current of electric setting value of storage; Be provided with signal circuit that obtains described motor actual motion current value and the storage unit of storing this current value; Be provided with the comparison logic of relatively judging of carrying out described current setting value and motor actual motion current value; Be provided with the time relay of described motor operation control.
The present invention adopts technique scheme, the method of obtaining motor actual motion electric current and relatively judging by PLC with setting value, the operation of automatic control equipment and the fault of equipment detected, do not need to install any switch and on-the-spot any structural establishment, realize spacing control, and can play overload protection, overcurrent protection equipment to running device, to the equipment failure tracking prediction, the lifting means maintenance levels, the accident that effectively prevents takes place, and its security performance is improved; Equipment investment is little, has wide range of applications.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this instructions and the mark among the figure are made brief description:
Fig. 1 is a structural representation of the present invention;
Fig. 2 for the current ratio among the present invention than the PLC procedure chart.
Be labeled as among the figure:
1, host computer, 2, switch, 3, frequency converter, 4, load one, 5, fieldbus, 6, signal wire, 7, load two, 8, current transformer, 9, PLC, 10, Ethernet.
Embodiment
Contrast accompanying drawing below, by description to embodiment, to the effect of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each ingredient and principle of work etc., be described in further detail, inventive concept of the present invention, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.Numeral behind the technical characterictic is consistent with the mark in the accompanying drawing, is convenient to contrast.
As Fig. 1 and the expressed structure of the present invention of Fig. 2, the present invention is a kind of control system that is applied to the material transferring equipment in the commercial production moves and safety is controlled in real time, wherein, the topworks of described material transferring equipment is for driving the motor of load, and its load comprises load 1, load 27 etc.Can be applied to the control system of the mass transport of many industries, for example, in commercial production such as metallurgy, coal, chemical industry, that is: the present invention can be applied to the control system that charging equipment adopted of raw ore, coal, batching etc., realizes the control to the feeding cart that moves on the track.
The problem that exists and overcome its defective in order to solve the various traditional location switches of employing that exist at the described present known technology of this instructions background technology part, realization utilizes PLC to realize that according to the current signal of motor the technical scheme that the present invention takes is to the goal of the invention of the automatic control of material transferring equipment:
As shown in Figure 1, the control system of this industrial production material transferring equipment provided by the present invention is provided with PLC9 in the described control system, and promptly the programmable controller is a kind of novel electrical control gear.PLC has the following advantages: reliability height, antijamming capability are strong; That system constitutes is simple, combined and instant, highly versatile; Programming is simple, and working service is convenient; Function is strong, have wide range of applications; Volume is little, in light weight, low in energy consumption.The electric current that the present invention utilizes PLC to detect motor is controlled the running of motor by the size that compares load current.
Above-described PLC9 is connected with the motor that drives load 1 by one of following manner:
1, described PLC9 is connected with the motor that drives load by frequency converter 3;
2, described PLC9 is connected with the motor that drives load 27 by current transformer 8;
3, described PLC9 is connected with the motor that drives load 1 and load 27 respectively by frequency converter 3 summation current transformers 8.
Above-mentioned different mode is applicable to the control under the different loads condition respectively.
In sum, the present invention utilizes PLC to read the actual current value of the motor that frequency converter 3 controlled, or Current Transformer is gathered the electric current of motor to PLC, by PLC logical operation, analysis and judgement, and make decisions, the running of control motor reaches by WinCC (being the production run surveillance) gathers the current data inventory analysis, thereby judges mechanical accident according to different variation of electric current.
Specifically, role of the present invention is:
Position-limiting action: cause the variation of electric current according to the variation of apparatus of load, set the higher limit (being the IN2 setting value among Fig. 2) of electric current, as IN1 among Fig. 2 (being the current value of actual motion) during greater than setting value IN2, the control motor shuts down;
Object detection: when passing through object on the transportation equipment, motor load changes thereupon, carries out current ratio by PLC9, detects whether the object process is arranged;
Equipment protection: when orbiting as feeding cart; because mechanical accidents such as track abrasion deformation cause dolly to slide down; roll wear seriously comes off, and makes dolly machinery in the process of material loading stuck, can adopt the current value that reads motor; when machinery is stuck; it is big that motor generation stall, current of electric sharply become, and PLC9 is electric current relatively; exceed range of set value, thereby cause motor to shut down.
Equipment failure detects: utilize the change records data that read current of electric, PLC9 relatively judges the mechanical fault of driven loads by data and curves and reference value, thereby prevents the generation of mechanical accident in advance.
The invention allows for following concrete exemplifying embodiment, supply those skilled in the art's reference when enforcement is of the present invention:
Embodiment one:
PLC9 of the present invention is connected with frequency converter 3 by fieldbus 5.
By frequency converter 3, realize frequency control by PLC to load motor, satisfy different operating modes.Field bus technique of the present invention adopts PROFIBUS-DP, is the standard for Fieldbus of DIN DIN19245 and European standard EN50170, and the DP type is used to disperse the high speed data transfer between peripheral hardware, is suitable for the application in production automation field.
Embodiment two:
PLC9 of the present invention is connected with current transformer 8 by signal wire 6.Current Transformer 8 is gathered the current value of motor and is given PLC9, thereby gathers the current data inventory analysis by the running of PLC9 computing control motor and by WinCC, thereby judges mechanical accident according to different variation of electric current.
Embodiment three:
PLC9 access network based on ethernet 10 of the present invention, and be connected with host computer 1 by switch 2.
The change records data of current of electric are read in utilization, judge the mechanical fault of driven loads with the variation of curve map by the WinCC image data, the ultimate value of setting recording curvilinear motion is reported to the police, set the warning read-around ratio, thereby play the purpose of automatic warning prediction, thereby prevent the generation of mechanical accident in advance.
Embodiment four:
In PLC9 of the present invention, be provided with the storage unit of the described current of electric setting value of storage; Be provided with signal circuit that obtains described motor actual motion current value and the storage unit of storing this current value; Be provided with the comparison logic of relatively judging of carrying out described current setting value and motor actual motion current value; Be provided with the time relay of described motor operation control.
Utilize comparing function among the PLC (CMP〉1) among Fig. 2, export during greater than setting value IN2 when the actual current IN1 value that detects in the frequency converter 3, by 2S time-delay output, thereby opertaing device turns round.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (6)
1, a kind of control system of industrial production material transferring equipment, the topworks of described material transferring equipment is for driving the motor of load, it is characterized in that: PLC (9) is set in the described control system, and described PLC (9) is connected with the motor that drives load by one of following manner:
1), described PLC (9) is connected with the motor that drives load by frequency converter (3);
2), described PLC (9) is connected with the motor that drives load by current transformer (8);
3), described PLC (9) is connected with the motor that drives load respectively by frequency converter (3) summation current transformer (8).
2, according to the control system of the described industrial production material transferring equipment of claim 1, it is characterized in that: described PLC (9) is connected with frequency converter (3) by fieldbus (5).
3, according to the control system of the described industrial production material transferring equipment of claim 1, it is characterized in that: described PLC (9) is connected with current transformer (8) by signal wire (6).
4, according to the control system of claim 1 or 2 or 3 described industrial production material transferring equipments, it is characterized in that: described PLC (9) access network based on ethernet (10), and be connected with host computer (1) by switch (2).
5, according to the control system of claim 1 or 2 or 3 described industrial production material transferring equipments, it is characterized in that: among the described PLC (9), be provided with the storage unit of the described current of electric setting value of storage; Be provided with signal circuit that obtains described motor actual motion current value and the storage unit of storing this current value; Be provided with the comparison logic of relatively judging of carrying out described current setting value and motor actual motion current value; Be provided with the time relay that described motor operation is controlled.
6, according to the control system of the described industrial production material transferring equipment of claim 4, it is characterized in that: among the described PLC (9), be provided with the storage unit of the described current of electric setting value of storage; Be provided with signal circuit that obtains described motor actual motion current value and the storage unit of storing this current value; Be provided with the comparison logic of relatively judging of carrying out described current setting value and motor actual motion current value; Be provided with the time relay that described motor operation is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101364777A CN101436047A (en) | 2008-12-15 | 2008-12-15 | Control system of industrial production material transferring equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101364777A CN101436047A (en) | 2008-12-15 | 2008-12-15 | Control system of industrial production material transferring equipment |
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| CN101436047A true CN101436047A (en) | 2009-05-20 |
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| CNA2008101364777A Pending CN101436047A (en) | 2008-12-15 | 2008-12-15 | Control system of industrial production material transferring equipment |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981492A (en) * | 2012-12-13 | 2013-03-20 | 新兴铸管股份有限公司 | Treating technology for ductile iron pipes after annealing |
| CN104199439A (en) * | 2014-08-21 | 2014-12-10 | 河南华东工控技术有限公司 | Detection method of external faults of industrial control system |
| CN104275134A (en) * | 2014-09-25 | 2015-01-14 | 旭泰（太仓）精细化工有限公司 | Reaction kettle extraction system |
| CN104350435A (en) * | 2012-04-13 | 2015-02-11 | 西门子公司 | Embedded prognostics on PLC platforms for equipment condition monitoring, diagnosis and time-to-failure/service prediction |
| CN107017819A (en) * | 2017-05-18 | 2017-08-04 | 武汉华海通用电气有限公司 | The transient fault traversing control method and system of a kind of high voltage converter |
| CN108710337A (en) * | 2018-05-24 | 2018-10-26 | 意欧斯智能科技股份有限公司 | A kind of standard component production electric control system based on PROFIBUS fieldbus |
| CN110002184A (en) * | 2019-04-08 | 2019-07-12 | 中国原子能科学研究院 | Transmission fault detection system, transmission fault detection method and Transmission system |
| CN111232608A (en) * | 2020-02-28 | 2020-06-05 | 合肥神马科技集团有限公司 | Intelligent side hanging wall electric control system |
| CN111495570A (en) * | 2020-03-23 | 2020-08-07 | 天津中新智冠信息技术有限公司 | Automatic rotating speed adjusting device and method for shallow groove scraper |
-
2008
- 2008-12-15 CN CNA2008101364777A patent/CN101436047A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104350435A (en) * | 2012-04-13 | 2015-02-11 | 西门子公司 | Embedded prognostics on PLC platforms for equipment condition monitoring, diagnosis and time-to-failure/service prediction |
| CN104350435B (en) * | 2012-04-13 | 2016-12-14 | 西门子公司 | The prediction analysis method being embedded in the software platform of programmable logic controller (PLC) |
| US9996405B2 (en) | 2012-04-13 | 2018-06-12 | Siemens Corporation | Embedded prognostics on PLC platforms for equipment condition monitoring, diagnosis and time-to-failure/service prediction |
| CN102981492A (en) * | 2012-12-13 | 2013-03-20 | 新兴铸管股份有限公司 | Treating technology for ductile iron pipes after annealing |
| CN102981492B (en) * | 2012-12-13 | 2014-12-31 | 新兴铸管股份有限公司 | Treating technology for ductile iron pipes after annealing |
| CN104199439A (en) * | 2014-08-21 | 2014-12-10 | 河南华东工控技术有限公司 | Detection method of external faults of industrial control system |
| CN104275134A (en) * | 2014-09-25 | 2015-01-14 | 旭泰（太仓）精细化工有限公司 | Reaction kettle extraction system |
| CN107017819A (en) * | 2017-05-18 | 2017-08-04 | 武汉华海通用电气有限公司 | The transient fault traversing control method and system of a kind of high voltage converter |
| CN108710337A (en) * | 2018-05-24 | 2018-10-26 | 意欧斯智能科技股份有限公司 | A kind of standard component production electric control system based on PROFIBUS fieldbus |
| CN110002184A (en) * | 2019-04-08 | 2019-07-12 | 中国原子能科学研究院 | Transmission fault detection system, transmission fault detection method and Transmission system |
| CN111232608A (en) * | 2020-02-28 | 2020-06-05 | 合肥神马科技集团有限公司 | Intelligent side hanging wall electric control system |
| CN111495570A (en) * | 2020-03-23 | 2020-08-07 | 天津中新智冠信息技术有限公司 | Automatic rotating speed adjusting device and method for shallow groove scraper |
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Open date: 20090520 |