CN102800421A - Control system for repair rewinding machine for cable - Google Patents
Control system for repair rewinding machine for cable Download PDFInfo
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- CN102800421A CN102800421A CN2012102351287A CN201210235128A CN102800421A CN 102800421 A CN102800421 A CN 102800421A CN 2012102351287 A CN2012102351287 A CN 2012102351287A CN 201210235128 A CN201210235128 A CN 201210235128A CN 102800421 A CN102800421 A CN 102800421A
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- frequency converter
- potentiometer
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- cable
- relay
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention relates to a control system for a repair rewinding machine for a cable. The control system comprises two motors used for take-up and pay-off respectively, as well as two frequency converters used for controlling the two motors respectively, wherein a wire cable between the two motors passes through a movable pulley tension adjustment mechanism, and the movable pulley tension adjustment mechanism is connected with a tension potentiometer used for feeding back a tension signal; the potentiometer is in input connection with each frequency converter, and the two potentiometers are an assigned potentiometer and the tension potentiometer respectively; and switching circuits used for switching the positive rotation and the reverse rotation of the wire cable are arranged between the analogue input end of any one frequency converter and the analogue output end of the other frequency converter, as well as between the potentiometer sampling end of any one frequency converter and the potentiometer adjusting end of the other frequency converter. The control system disclosed by the invention can be used for determining the states of a take-up disc and a pay-off disc at any time according to the repair rewinding needs of the cable; and the take-up disc and the pay-off disc can be alternately changed randomly, and have the functions of the positive rotation and the reverse rotation.
Description
Technical field
The present invention relates to cable retractable line field, particularly cable and reprocess the rewinding machine control system.
Background technology
During at present mostly to the cable after-combustion, the neither one separate equipment is accomplished, and replaces the cable rewinding machine but lean on former sheath apparatus for production line to do, and accomplishes the after-combustion to cable; Because sheath production line longitudinal separation is longer, beeline also has 25 meters, if do the cable after-combustion to production equipment; Be a kind of device resource waste, but also can have influence on production, when the cable after-combustion, need not launch auxiliary equipment simultaneously; But consider the particularity of sheath production line structure, can not have influence on the quality of after-combustion cable product, need to cover above the auxiliary equipment with shelter; Avoid this link and carry out the after-combustion of cable, avoid fraying cable sheath; Also to start hauling machine in addition, operating personnel with produce identically, cost of labor does not subtract, time and effort consuming, moreover can't realize forward and reverse operation of equipment, inefficiency has influence on the production and operation and the economic benefit of enterprise.
Chinese patent file " a kind of control system of dual frequency converting wire drawing machine " (200610157529) and " permanent tension force draw off gear " (200920046821); The scheme that they adopt is: control retractable line motor respectively with two frequency converters; Coordinate to control two frequency converters through a PLC between two frequency converters; PLC imports given signal, also accepts the feedback tension signal.But the equipment that such scheme adopts is more, and feedback is complicated with control.
Summary of the invention
The purpose of this invention is to provide a kind of rewinding machine control system of reprocessing,, feedback many and control complicated problems in order to existing control system equipment.
For realizing above-mentioned purpose; Scheme of the present invention is: cable is reprocessed the rewinding machine control system; Comprise two motors that are respectively applied for take-up, unwrapping wire and control two frequency converters of two motors respectively; Cable between two motors is through a movable pulley tension adjustment mechanism, and this movable pulley tension adjustment mechanism is connected with a tension force potentiometer that is used to feed back tension signal; All import on each frequency converter and be connected with potentiometer, two potentiometers are respectively given potentiometer and said tension force potentiometer; Between the analog input end of any frequency converter and the analog output of another frequency converter, be provided with the circuit switched that is used to switch the cable forward and reverse between the adjustable side of the potentiometer of the potentiometer sampling end of any frequency converter and another frequency converter.
Said two frequency converters are respectively take-up frequency converter (1A) and unwrapping wire frequency converter (2A), take-up frequency converter (1A) control connection take-up motor (M1), unwrapping wire frequency converter (2A) control connection unwrapping wire motor (M2).
Said circuit switched is the relay circuit switched, comprises the just commentaries on classics relay (1K1) and the counter-rotating relay (1K2) that are connected on said take-up frequency converter (1A) and the unwrapping wire frequency converter (2A).
The sampling end (1X14) of take-up frequency converter (1A) connects the adjustable side (110) of given potentiometer (W1) through first normally opened contact (1K1-1) that just changes relay, and the sampling end (2X14) of said unwrapping wire frequency converter (2A) connects the adjustable side (150) of tension force potentiometer (W2) through second normally opened contact (1K1-2) that just changes relay; The sampling end (1X14) of take-up frequency converter (1A) connects the adjustable side (150) of tension force potentiometer through first series circuit; The adjustable side (110) of given potentiometer (W1) connects the sampling end (2X14) of unwrapping wire frequency converter (2A) through second series circuit; The analog output (1XO) of take-up frequency converter (1A) connects the analog input end (2X18) of unwrapping wire frequency converter (2A) through the 3rd series circuit; The analog input end (1X18) of take-up frequency converter (1A) connects the analog output (2XO) of unwrapping wire frequency converter (2A) through the 4th series circuit; Said first series circuit, second series circuit, the 4th series circuit are by a normally-closed contact of first relay formation of connecting with a normally opened contact of second relay, and the 3rd series connection series is connected with a normally opened contact of first relay by a normally-closed contact of second relay and constituted.
The present invention can according to cable reprocess the after-combustion needs, confirm the state of take-up, draw drum at any time, two dishes of retractable cable can replace change arbitrarily, have the rotating function.During work; Only need offer given speed of take-up motor (the take-up motor is the previous motor on the cable direction of motion); The speed of draw drum is followed the velocity variations of rolling; The tension feedback of unwrapping wire motor response simultaneously signal makes cable stretch recover steady state value rapidly when the cable rapid change.
The analog output signal and the tension signal of given signal, take-up frequency converter switched in the present invention through auxiliary relay; Not only make the simple to operate of system, respond well.
Description of drawings
Fig. 1 is the rewinding machine system schematic of reprocessing of the present invention;
Fig. 2 is a start and stop control electric hookup;
Fig. 3 is electric control theory figure;
Fig. 4 is a system construction drawing;
Fig. 5 be the A of Fig. 4 to view, potentiometer annexation structure chart.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed explanation.
The after-combustion system of reprocessing as shown in Figure 1; Motor M 1, M2 are controlled by two frequency converter 1A, the 2A of correspondence respectively, direction as shown in Figure 1, and M1 is the take-up motor; M2 is the unwrapping wire motor; Be provided with a tension adjustment mechanism Z1 in the cable, this tension adjustment mechanism Z1 comprises support wheel D1 and movable pulley D2, and it is that system provides certain tension force that movable pulley D2 leans on gravity own.When the cable velocity variations, movable pulley D2 can depart from the equilbrium position, moves up and down, thereby drives the tension force fork B1 action that is attached thereto, and finally makes the action of tension force potentiometer, the feedback tension signal.Among the present invention, movable pulley can be when the cable velocity variations adjustment of tonicity (speed increases, and movable pulley promotes; Speed reduces, and movable pulley descends), with the sudden change of buffering tension force, but also can feed back tension signal, it is constant that tension force is kept.The tension force potentiometer adopts the accurate conductive plastic potentiometer of the WDD35D-4 of 360 degree rotations, and frequency converter adopts vector type MD320 Series Frequency Converter.
In the native system, ACTIVE CONTROL take-up frequency converter 1A for it provides given speed signal (through given potentiometer W1), utilizes simulation output and the feedback tension signal control unwrapping wire frequency converter 2A of take-up frequency converter 1A.
System of the present invention and tension force potentiometer dependency structure such as Fig. 4, Fig. 5.,, drive tension force fork axle B2 and rotate during tension force fork B1 swing to seeing from A, the regulating shaft B3 of potentiometer W2 is rotated, potentiometer W2 change in resistance changes the tension feedback signal thereupon.Z2 is a support.
The present invention can realize the role transforming of retractable line frequency converter (and corresponding motor) not increasing under equipment and the situation that changes wiring, the direction of motion that can make cable with shown in Figure 1 on the contrary.Because control mode of the present invention is actually: the frequency converter of given speed to front on the cable direction of motion is provided, makes the frequency converter of back on the cable direction of motion follow and adjust according to tension signal.The frequency converter of back receives the analog output signal and the tension signal of front frequency converter; Under the poised state; Output frequency equals the front frequency converter frequency and multiply by the setting coefficient, and under the situation that tension force increases, output frequency increases on the poised state basis; Under tension force reduced situation, output frequency reduced on the poised state basis.For this reason, not increasing equipment or changing under the situation of wiring, the invention provides the rotating circuit switched, the rotating circuit switched is for adopting the circuit switched of relay.
Be start and stop control electric hookup like Fig. 2,1K1 (1K2) is for just changeing relay, and 2K1 (2K2) is the counter-rotating relay, and circuit has interlock function.
Like Fig. 3; During the forward operation; Press forward start button 2AQ, auxiliary relay 1K1 (1K2) adhesive, 1A frequency converter forward starts; The adjustable side 110 of given potentiometer is through the input port 1X14 of 1K1-1 connection frequency converter 1A, and frequency converter 1A analog output signal 1XO connects the analog input end 2X18 of frequency converter 2A through the 3rd series circuit (119,120,121).The input port 2X14 of frequency converter 2A is connected in the adjustable side 150 of tension force potentiometer W2 through 1K1-2.
During inverted running; Press reverse start button 3AQ; Auxiliary relay 2K1 (2K2) adhesive; Frequency converter 2A oppositely starts; Given potentiometer W1 adjustable side 110 is through the input port 2X14 of second series circuit (111,112) connection frequency converter 2A, and frequency converter 2A analog output signal 2XO the 4th series circuit (118,117,116) connects frequency converter 1A analog input end 1X18, and the adjustable side 150 of tension force potentiometer W2 connects the input port 1X14 of frequency converter 1A through first series circuit (115,114,113).
As shown in Figure 3; First series circuit, second series circuit, the 4th series circuit are by a normally-closed contact of first relay formation of connecting with a normally opened contact of second relay, and the 3rd series connection series is connected with a normally opened contact of first relay by a normally-closed contact of second relay and constituted.
The take-up frequency converter is set rotating speed through given potentiometer, the analog output signal A01 of take-up frequency converter and tension signal control unwrapping wire frequency converter (see figure 3).Along with the variation in wire winding tube volume footpath, the feedback signal of tension force fork also changes thereupon.Tension rail feedback signal (being made up of precision potentiometer) is output as 0-10V, and this signal and take-up frequency converter analog output signal A01 constitute the two-way input signal, and control unwrapping wire frequency converter makes cable keep certain linear velocity and tension force.
Retractable cable frequency converter major parameter is provided with as follows:
F0-02:1 (terminal order)
F0-03：2
F0-04：3
F0-06:20 (simulation output area)
F0-07：1
F0-10:40Hz (peak frequency)
F0-12:35Hz (upper limiting frequency)
F0-17:10s (accelerating time)
F0-18:10s (deceleration time)
F4-00：1
F4-01：2
F4-15：6
F4-16:30 (the corresponding setting of the maximum input of AI1)
1XK1 is the burn out detection switch among Fig. 3.
The debugging points for attention
Main attention start-up period and shutdown phase in debug process should keep the starting of unwrapping wire motor and take-up motor synchronous.
1, start-up period
Before the frequency converter operation tension rail is placed middle position slightly on the lower side, start the slow raising speed of frequency converter.As the broken string phenomenon appears when starting, and explain that the take-up electric motor starting is too fast, can correspondingly adjust starting frequency, starting frequency duration and the unwrapping wire of take-up motor, the acceleration and deceleration time F0-17 and the several relevant parameters of F0-18 of take-up frequency converter.
2, shutdown phase
During shutdown, unwrapping wire, take-up motor are slowed down by deceleration time by current running frequency.If in stopping process, occur unusually, can correspondingly adjust unwrapping wire, take-up frequency converter F0-18 deceleration time, if occur then can adjusting unusually the output signal effect size of take-up frequency converter when shutting down.
Claims (4)
1. a cable is reprocessed the rewinding machine control system; It is characterized in that; Comprise two motors that are respectively applied for take-up, unwrapping wire and control two frequency converters of two motors respectively; Cable between two motors is through a movable pulley tension adjustment mechanism, and this movable pulley tension adjustment mechanism is connected with a tension force potentiometer that is used to feed back tension signal; All import on each frequency converter and be connected with potentiometer, two potentiometers are respectively given potentiometer and said tension force potentiometer; Between the analog input end of any frequency converter and the analog output of another frequency converter, be provided with the circuit switched that is used to switch the cable forward and reverse between the adjustable side of the potentiometer of the potentiometer sampling end of any frequency converter and another frequency converter.
2. cable according to claim 1 is reprocessed the rewinding machine control system; It is characterized in that; Said two frequency converters are respectively take-up frequency converter (1A) and unwrapping wire frequency converter (2A); Take-up frequency converter (1A) control connection take-up motor (M1), unwrapping wire frequency converter (2A) control connection unwrapping wire motor (M2).
3. cable according to claim 2 is reprocessed the rewinding machine control system; It is characterized in that; Said circuit switched is the relay circuit switched, comprises the just commentaries on classics relay (1K1) and the counter-rotating relay (1K2) that are connected on said take-up frequency converter (1A) and the unwrapping wire frequency converter (2A).
4. cable according to claim 3 is reprocessed the rewinding machine control system; It is characterized in that; The sampling end (1X14) of take-up frequency converter (1A) connects the adjustable side (110) of given potentiometer (W1) through first normally opened contact (1K1-1) that just changes relay, and the sampling end (2X14) of said unwrapping wire frequency converter (2A) connects the adjustable side (150) of tension force potentiometer (W2) through second normally opened contact (1K1-2) that just changes relay; The sampling end (1X14) of take-up frequency converter (1A) connects the adjustable side (150) of tension force potentiometer through first series circuit; The adjustable side (110) of given potentiometer (W1) connects the sampling end (2X14) of unwrapping wire frequency converter (2A) through second series circuit; The analog output (1XO) of take-up frequency converter (1A) connects the analog input end (2X18) of unwrapping wire frequency converter (2A) through the 3rd series circuit; The analog input end (1X18) of take-up frequency converter (1A) connects the analog output (2XO) of unwrapping wire frequency converter (2A) through the 4th series circuit; Said first series circuit, second series circuit, the 4th series circuit are by a normally-closed contact of first relay formation of connecting with a normally opened contact of second relay, and the 3rd series connection series is connected with a normally opened contact of first relay by a normally-closed contact of second relay and constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210235128.7A CN102800421B (en) | 2012-07-05 | 2012-07-05 | Control system for repair rewinding machine for cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210235128.7A CN102800421B (en) | 2012-07-05 | 2012-07-05 | Control system for repair rewinding machine for cable |
Publications (2)
| Publication Number | Publication Date |
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| CN102800421A true CN102800421A (en) | 2012-11-28 |
| CN102800421B CN102800421B (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210235128.7A Expired - Fee Related CN102800421B (en) | 2012-07-05 | 2012-07-05 | Control system for repair rewinding machine for cable |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021566A (en) * | 2012-11-30 | 2013-04-03 | 浙江一舟电子科技股份有限公司 | Rewinder with cable breakage detection function |
| CN103021565A (en) * | 2012-11-30 | 2013-04-03 | 浙江一舟电子科技股份有限公司 | Rewinding machine |
| CN103400654A (en) * | 2013-07-31 | 2013-11-20 | 河南省通信电缆有限公司 | Automatic control system for cable dividing and cutting machine |
| CN104616832A (en) * | 2015-01-12 | 2015-05-13 | 安徽普瑞斯电工机械有限公司 | Tension constant control system for cable traction |
| CN109541407A (en) * | 2018-11-29 | 2019-03-29 | 上海上缆神舟线缆有限公司 | Wire rod after-combustion and spark test equipment |
| CN113821919A (en) * | 2021-09-03 | 2021-12-21 | 中国人民解放军92942部队 | Low-sampling-frequency steel wire rope tension signal repairing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021566A (en) * | 2012-11-30 | 2013-04-03 | 浙江一舟电子科技股份有限公司 | Rewinder with cable breakage detection function |
| CN103021565A (en) * | 2012-11-30 | 2013-04-03 | 浙江一舟电子科技股份有限公司 | Rewinding machine |
| CN103021566B (en) * | 2012-11-30 | 2015-04-22 | 浙江一舟电子科技股份有限公司 | Rewinder with cable breakage detection function |
| CN103021565B (en) * | 2012-11-30 | 2016-01-20 | 浙江一舟电子科技股份有限公司 | A kind of rewinding machine |
| CN103400654A (en) * | 2013-07-31 | 2013-11-20 | 河南省通信电缆有限公司 | Automatic control system for cable dividing and cutting machine |
| CN103400654B (en) * | 2013-07-31 | 2015-08-26 | 河南省通信电缆有限公司 | A kind of cable separate machine automatic control system |
| CN104616832A (en) * | 2015-01-12 | 2015-05-13 | 安徽普瑞斯电工机械有限公司 | Tension constant control system for cable traction |
| CN109541407A (en) * | 2018-11-29 | 2019-03-29 | 上海上缆神舟线缆有限公司 | Wire rod after-combustion and spark test equipment |
| CN113821919A (en) * | 2021-09-03 | 2021-12-21 | 中国人民解放军92942部队 | Low-sampling-frequency steel wire rope tension signal repairing method |
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| CN102800421B (en) | 2014-02-19 |
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Granted publication date: 20140219 Termination date: 20170705 |