CN104525576A - Roller way control system - Google Patents
Roller way control system Download PDFInfo
- Publication number
- CN104525576A CN104525576A CN201410763578.2A CN201410763578A CN104525576A CN 104525576 A CN104525576 A CN 104525576A CN 201410763578 A CN201410763578 A CN 201410763578A CN 104525576 A CN104525576 A CN 104525576A
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- CN
- China
- Prior art keywords
- roller
- control system
- contactor
- relay
- way
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Multiple Motors (AREA)
Abstract
The invention discloses a roller way control system. The roller way control system comprises at least one roller way motor, and each roller way motor is electrically connected with a permanent magnet direct current contactor. According to the roller way control system, a traditional electromagnet direct current contactor that is used for previous roller way controlling is replaced by the permanent magnet direct current contactor so that a large quantity of electric energy can be saved, the service life of the permanent magnet direct current contactor is long, the permanent magnet direct current contactor with long service life is not required to be frequently replaced, and thereby, the working efficiency of a hot rolling line is increased.
Description
Technical field
The present invention relates to control technology field, particularly relate to a kind of roller-way control system.
Background technology
Hot roughing roller-way is the visual plant of Hot Line, and hot roughing roller-way contactor is the actuating equipment realizing roller-way Discrete control, is installed on electric machines for roller major loop.Due to roller-way segmentation select need constantly convert according to the operation of rolling, therefore roller-way contactor also can frequently divide, shutting-brake control.
Old-fashioned large-sized DC contactor was used in the past in roller-way controls, old-fashioned large-sized DC contactor mainly adopts solenoid actuated, because direct-current arc is stronger when frequent divide-shut brake or fault trip, combined floodgate contact is often caused to damage, in addition owing to being in "on" position for a long time, often cause closing coil to continue energising and cause temperature raise and damage, roller-way contactor damages the consequence of shutting down and causes material temperature decline and scrap, have a strong impact on Hot Line normally to produce, thus have impact on operating efficiency; And the combined floodgate of old-fashioned large-sized DC contactor keeps leaning on the continual energising of coil to maintain, and wastes a large amount of electric energy.
Therefore, the operating efficiency of how to save electric energy and raising Hot Line is those skilled in the art's technical issues that need to address.
Summary of the invention
The object of this invention is to provide a kind of roller-way control system, this roller-way control system significantly can be saved electric energy and be improved the operating efficiency of Hot Line.
For solving the problems of the technologies described above, the invention provides a kind of roller-way control system, comprising at least one electric machines for roller, each described electric machines for roller are all electrically connected DC contactor.
Preferably, described electric machines for roller comprise electric machines for roller after approach table motor, runout table motor, delay table motor, machine front roller-way motor and machine.
Preferably, two described DC contactors in parallel are all electrically connected with in the major loop of described approach table motor, described runout table motor and described delay table motor.
Preferably, also comprise the overcurrent relay be arranged between described DC contactor and power supply, described overcurrent relay is electrically connected with described DC contactor.
Preferably, also comprise the excitation interlocking relay be arranged between described overcurrent relay and power supply, described excitation interlocking relay is electrically connected with described overcurrent relay.
Preferably, also comprise the control relay be arranged between described excitation interlocking relay and power supply, described control relay is electrically connected with described field application relay.
Preferably, switch control cabinet is electrically connected with between described DC contactor and described electric machines for roller.
Preferably, after described machine front roller-way motor, described machine electric machines for roller major loop in be all connected with two described DC contactors in parallel, described in each parallel branch, the two ends of DC contactor are electrically connected an overcurrent relay and a voltage relay respectively.
Preferably, after machine described in machine front roller-way motor, every platform described in every platform, electric machines for roller are all electrically connected a conventional electromagnets D.C. contactor.
Roller-way control system provided by the invention, by the electromagnet D.C. contactor of traditional type used in controlling with front roller-way, be replaced by DC contactor, be replaced by DC contactor and can save a large amount of electric energy, and the DC contactor life-span is high, the DC contactor that then life-span is high does not need often to change, thus improves the operating efficiency of Hot Line.
Accompanying drawing explanation
The line chart of the major loop of the A2 section of the approach table that Fig. 1 provides for the embodiment of the present invention;
Partial circuit connection layout in the major loop of the approach table that Fig. 2 provides for the embodiment of the present invention;
The partial circuit connection layout of the major loop of the machine front roller-way that Fig. 3 provides for the embodiment of the present invention.
Detailed description of the invention
Core of the present invention is to provide a kind of roller-way control system, and this roller-way control system significantly can be saved electric energy and be improved the operating efficiency of Hot Line.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Permanent magnet contactor instead of traditional solenoid actuated mechanism with permanent magnet type drive mechanism, namely the control device that permanent magnet and microelectronic modules form is utilized, replace the electromagnet apparatus in traditional product, without operating current in operation, only by small-signal electric current.Six basic parts are comprised: power rectifier, control that supply voltage detects in real time, discharges energy storage, storage capacitor voltage detecting, anti-interference threshold voltage detect and release logic circuit in microelectronic modules.This six part is necessity composition of permanent-magnet operating mechanism electronic control part, if lack any one part, operating mechanism just cannot normally work on other occasions.This six part also determines operating mechanism can possess anti-shake Electricity Functional.
Before Hot Line roller-way is mainly divided into input, machine, export, middle and runout table, due to input, export roughly the same with the control device of delay table, roughly the same with the control device of roller-way after machine before machine.The control device of whole roller-way is described below respectively with the control device before input and machine.
Because approach table is made up of a lot of section again, be illustrated with several sections of approach table below.
As shown in Figure 1, the line chart of the major loop of the A2 section of approach table that provides for the embodiment of the present invention of Fig. 1.In Fig. 1, A2CX1 and A2CX2 represents DC contactor, and DCM represents electric machines for roller.The roller-way control system that the embodiment of the present invention provides mainly comprises at least one electric machines for roller, and electric machines for roller and the electrical connection of DC contactor.
The roller-way control system that the embodiment of the present invention provides, by the electromagnet D.C. contactor of traditional type used in controlling with front roller-way, be replaced by DC contactor, be replaced by DC contactor and can save a large amount of electric energy, and the DC contactor life-span is high, the DC contactor that then life-span is high does not need often to change, thus improves the operating efficiency of Hot Line.
Certainly above-mentionedly use DC contactor, because conventional electricity is for exchanging, then between DC contactor and power supply, be connected with rectifier cabinet, AC rectification become direct current, as shown in Figure 1, Fig. 1 comprises rectifier cabinet 5.
Electric machines for roller mainly comprise electric machines for roller after approach table motor, runout table motor, delay table motor, machine front roller-way motor and machine.Be described with the connecting circuit of approach table motor and machine front roller-way motor below.
As shown in Figure 2, the partial circuit connection layout in the major loop of approach table that provides for the embodiment of the present invention of Fig. 2.Sequence number 1,2,3 and 4 represents approach table A1 section, approach table A2 section, approach table A3 section and approach table A4 section respectively.Two DC contactors in parallel can be connected with every section of approach table, DC contactor as A1 section is A1CX1 and A1CX2, the DC contactor of the DC contactor of A2 section to be the DC contactor of A2CX1 and A2CX2, A3 section be A3CX1 and A3CX2 and A4 section is A4CX1 and A4CX2.In every section, two DC contactors are in parallel, can ensure the safe operation of circuit.
Overcurrent relay can be connected with, if A1JLG, A2JLG, A3JLG and A4JLG in Fig. 2 are the auxiliary contact of overcurrent relay between DC contactor and power supply.Overcurrent relay plays overcurrent protection.
Excitation interlocking relay can also be connected with, if LCKM1 in Fig. 2 is the auxiliary contact of excitation interlocking relay between overcurrent relay and power supply.
Control relay can also be connected with, if 1J, 2J, 3J, 4J, A1KM5 and A2KM5 in Fig. 2 are the auxiliary contact of control relay between excitation interlocking relay and power supply.Control relay plays one to every section of roller-way and disconnects or close.
As shown in Figure 1, can be electrically connected with switch control cabinet 6 between DC contactor and electric machines for roller, switch control cabinet 6 controls the closed of electric machines for roller or disconnects.
For electric machines for roller after machine front roller-way motor or machine, in its major loop, all can be connected with two DC contactors in parallel, in each parallel branch, the two ends of DC contactor are electrically connected an overcurrent relay and a voltage relay respectively.As shown in Figure 3, the partial circuit connection layout of the major loop of machine front roller-way that provides for the embodiment of the present invention of Fig. 3.Wherein 1CX and 2CX is DC contactor coil, 1JY and 2JY is the auxiliary contact of voltage relay, 1JLG and 2JLG is the auxiliary contact of overcurrent relay.
In order to control electric machines for roller after every platform machine front roller-way motor, every platform machine, after above-mentioned every platform machine front roller-way motor, every platform machine, electric machines for roller are all electrically connected a conventional electromagnetic coil D.C. contactor.Realize disconnecting electric machines for roller after machine front roller-way motor and machine or closing.
Above roller-way control system provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (9)
1. a roller-way control system, is characterized in that, comprises at least one electric machines for roller, and each described electric machines for roller are all electrically connected DC contactor.
2. roller-way control system as claimed in claim 1, is characterized in that, described electric machines for roller comprise electric machines for roller after approach table motor, runout table motor, delay table motor, machine front roller-way motor and machine.
3. roller-way control system as claimed in claim 2, is characterized in that, is all electrically connected with two described DC contactors in parallel in the major loop of described approach table motor, described runout table motor and described delay table motor.
4. roller-way control system as claimed in claim 3, it is characterized in that, also comprise the overcurrent relay be arranged between described DC contactor and power supply, described overcurrent relay is electrically connected with described DC contactor.
5. roller-way control system as claimed in claim 4, it is characterized in that, also comprise the excitation interlocking relay be arranged between described overcurrent relay and power supply, described excitation interlocking relay is electrically connected with described overcurrent relay.
6. roller-way control system as claimed in claim 5, it is characterized in that, also comprise the control relay be arranged between described excitation interlocking relay and power supply, described control relay is electrically connected with described field application relay.
7. the roller-way control system as described in any one of claim 3-6, is characterized in that, is electrically connected with switch control cabinet between described DC contactor and described electric machines for roller.
8. roller-way control system as claimed in claim 2, it is characterized in that, after described machine front roller-way motor, described machine electric machines for roller major loop in be all connected with two described DC contactors in parallel, described in each parallel branch, the two ends of DC contactor are electrically connected an overcurrent relay and a voltage relay respectively.
9. roller-way control system as claimed in claim 8, is characterized in that, after machine described in machine front roller-way motor, every platform described in every platform, electric machines for roller are all electrically connected a conventional electromagnets D.C. contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410763578.2A CN104525576B (en) | 2014-12-12 | 2014-12-12 | A kind of roller-way control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410763578.2A CN104525576B (en) | 2014-12-12 | 2014-12-12 | A kind of roller-way control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104525576A true CN104525576A (en) | 2015-04-22 |
| CN104525576B CN104525576B (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410763578.2A Active CN104525576B (en) | 2014-12-12 | 2014-12-12 | A kind of roller-way control system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB706898A (en) * | 1952-09-09 | 1954-04-07 | Telefonbau Und Normalzeit Ges | Improvements in or relating to postal franking machines |
| JP2005328619A (en) * | 2004-05-13 | 2005-11-24 | Toshiba Corp | Rolling stock drive controller |
| CN101067987A (en) * | 2007-06-12 | 2007-11-07 | 孙祖桐 | Permanent magnetic operating mechanism of AC contactor and vacuum circuit breaker |
| CN200994114Y (en) * | 2006-12-22 | 2007-12-19 | 南京钢铁股份有限公司 | Variable frequency rolling way motor with accurate positioning function |
| JP2008104265A (en) * | 2006-10-18 | 2008-05-01 | Fuji Electric Systems Co Ltd | Control system for permanent-magnet-type-motor-driven rolling stock |
| CN202880388U (en) * | 2012-11-08 | 2013-04-17 | 耿俊梅 | Abnormality detection device for roller bed of continuous chromium plating production line of mandrel |
| CN204381073U (en) * | 2014-12-12 | 2015-06-10 | 西南铝业（集团）有限责任公司 | A kind of roller-way control device |
-
2014
- 2014-12-12 CN CN201410763578.2A patent/CN104525576B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB706898A (en) * | 1952-09-09 | 1954-04-07 | Telefonbau Und Normalzeit Ges | Improvements in or relating to postal franking machines |
| JP2005328619A (en) * | 2004-05-13 | 2005-11-24 | Toshiba Corp | Rolling stock drive controller |
| JP2008104265A (en) * | 2006-10-18 | 2008-05-01 | Fuji Electric Systems Co Ltd | Control system for permanent-magnet-type-motor-driven rolling stock |
| CN200994114Y (en) * | 2006-12-22 | 2007-12-19 | 南京钢铁股份有限公司 | Variable frequency rolling way motor with accurate positioning function |
| CN101067987A (en) * | 2007-06-12 | 2007-11-07 | 孙祖桐 | Permanent magnetic operating mechanism of AC contactor and vacuum circuit breaker |
| CN202880388U (en) * | 2012-11-08 | 2013-04-17 | 耿俊梅 | Abnormality detection device for roller bed of continuous chromium plating production line of mandrel |
| CN204381073U (en) * | 2014-12-12 | 2015-06-10 | 西南铝业（集团）有限责任公司 | A kind of roller-way control device |
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| Publication number | Publication date |
|---|---|
| CN104525576B (en) | 2017-09-22 |
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