CN202704914U - Tunnel double-winch flat trolley frequency conversion control system - Google Patents
Tunnel double-winch flat trolley frequency conversion control system Download PDFInfo
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- CN202704914U CN202704914U CN 201220398361 CN201220398361U CN202704914U CN 202704914 U CN202704914 U CN 202704914U CN 201220398361 CN201220398361 CN 201220398361 CN 201220398361 U CN201220398361 U CN 201220398361U CN 202704914 U CN202704914 U CN 202704914U
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Abstract
The utility model relates to a tunnel double-winch flat trolley frequency conversion control system which comprises a programmable logic controller (PLC), an upper winch frequency converter, a lower winch frequency converter, an upper winch driving motor and a lower winch driving motor. The power of the upper winch driving motor is larger than that of the lower winch driving motor, the upper winch frequency converter and the lower winch frequency converter can respectively drive the upper winch driving motor and the lower winch driving motor, an analog quantity output end of the PLC is connected with analog quantity input ends of the upper winch frequency converter and the lower winch frequency converter, an analog quantity input end of the PLC is connected with the analog quantity output ends of the upper winch frequency converter and the lower winch frequency converter, and an on-off output end of the PLC is connected with on-off input ends of the upper winch frequency converter and the lower winch frequency converter. The tunnel double-winch flat trolley frequency conversion control system is reliable and safe in running and convenient to operate.
Description
(1), technical field: the utility model relates to a kind of frequency-changing control system, particularly a kind of tunnel and Double elevator flat bogie frequency-changing control system.
(2), background technology: at present, in city tunnel engineering (such as tunnel engineering such as subway, railway, highway, municipal administration, water power) is built, digging the used tunnel of constructing tunnel flat bogie often adopts monovolume to raise machine travel, the fault rate that occurs in the use procedure is higher, affect the constructing tunnel job schedule, the main problem that exists has:
1. because the gradient on slope, tunnel mild (generally about 6 degree), when on the tunnel foreign matter being arranged, can increase the friction coefficient in tunnel, at this moment, easily occur when flat bogie is descending pausing, even stop, at this moment just needing artificial trouble-shooting;
2. when the slack rope situation appears in the winch haulage cable, can cause flat bogie underriding out of control, can cause the damage of equipment when serious and safety misadventure occurs;
3. owing to the winch frequent start-stop, the power of drive motor is larger again, and during motor starting, not only large electric current can impact electrical network, and waste of energy is serious;
4. flat bogie is up, the downgoing time cycle is uncontrollable, is easy to break down, and simultaneously, the automatization level of existing pulling device for small vehicle is on the low side, does not have self-diagnostic function.
(3), utility model content:
The technical problems to be solved in the utility model is: not enough for prior art, a kind of reliable, safe, easy to operate tunnel and Double elevator flat bogie frequency-changing control system is provided.
The technical solution of the utility model:
A kind of tunnel and Double elevator flat bogie frequency-changing control system, contain the PLC Programmable Logic Controller, frequency converter and elevator drive motor, frequency converter contains elevator frequency converter and lower elevator frequency converter, the elevator drive motor contains elevator drive motor and lower elevator drive motor, the power of upper elevator drive motor is greater than the power of lower elevator drive motor, upper elevator drive motor is installed in the upper end of flat bogie orbit, lower elevator drive motor is installed in the lower end of flat bogie orbit, the haulage cable of upper winch and lower winch is hung in the flat bogie two ends, the drive output of upper elevator frequency converter and lower elevator frequency converter is connected with lower elevator drive motor with upper elevator drive motor respectively, the analog output end of PLC Programmable Logic Controller is connected with the analog input end of the analog input end of upper elevator frequency converter and lower elevator frequency converter, the analog input end of PLC Programmable Logic Controller is connected with the analog output end of the analog output end of upper elevator frequency converter and lower elevator frequency converter, and the switching value mouth of PLC Programmable Logic Controller is connected with the switching value input end of the switching value input end of upper elevator frequency converter and lower elevator frequency converter; The top and bottom of flat bogie orbit are separately installed with upper limit position switch and lower position switch, and upper limit position switch is connected with the switching value input end of PLC Programmable Logic Controller with lower position switch; The communication port of PLC Programmable Logic Controller is connected with touch-screen.
Upper elevator frequency converter and lower elevator frequency converter all can carry out speed control and torque control; When flat bogie was up, upper elevator frequency converter employing speed control was for flat bogie provides traction power, control flat bogie speed uplink, lower end elevator frequency converter adopts torque control, for flat bogie provides braking tension force, prevents that the slack rope phenomenon from appearring in the lower end winch; When flat bogie is descending, lower elevator frequency converter employing speed control, for flat bogie provides traction power, control flat bogie downstream rate, upper elevator frequency converter adopts torque control, for dolly provides braking tension force, prevents that the slack rope phenomenon from appearring in the upper end winch.
Three plase alternating current is connected respectively to the power end of upper elevator frequency converter and lower elevator frequency converter by the first circuit breaker and the second circuit breaker, the mouth of the first circuit breaker also successively by the 3rd circuit breaker be connected contactless switch and be connected with upper elevator braking motor, the mouth of the second circuit breaker also successively by the 4th circuit breaker be connected contactless switch and be connected with lower elevator braking motor, upper elevator braking motor and lower elevator braking motor drive respectively hoist brake and lower hoist brake; The one-way communication civil power is connected with the power end of PLC Programmable Logic Controller by the 5th circuit breaker, isolating transformer successively, the one-way communication civil power also is connected with the power end of remote controller receiver by the 6th circuit breaker, remote controller receiver is by wireless mode and remote controller communication, the switching value mouth of remote controller receiver is connected with the switching value input end of PLC Programmable Logic Controller, and the communication port of PLC Programmable Logic Controller is connected with the communication port of touch-screen by the MPI bus; The contactless switch drive output of PLC Programmable Logic Controller and the first contactless switch be connected the drive coil of contactless switch and be connected.
Upper hoist brake and lower hoist brake are hydraulic brake, and the model of PLC Programmable Logic Controller is Siemens 6SE72162BD230XB0, and the model of upper elevator frequency converter and lower elevator frequency converter is ACS800-01-0075-3+P901+L502+N651.
The analog input end of upper elevator frequency converter contains elevator moment amplitude limit input end and upper lifting-speed amplitude limit input end, and the analog input end of lower elevator frequency converter contains lower elevator moment amplitude limit input end and lower elevator speed limiting input end; The analog output end of upper elevator frequency converter contains elevator moment mouth and upper lifting-speed mouth, and the analog output end of lower elevator frequency converter contains lower elevator moment mouth and lower lifting-speed mouth; The switching value input end of upper elevator frequency converter contains hoisting switching value input end, upper elevator decline switching value input end, upper elevator low speed switch amount input end, upper elevator high speed switch amount input end, upper lifting-speed/torque change-over switch amount input end and lower elevator interlocking switch amount input end, the switching value input end of lower elevator frequency converter contains lower hoisting switching value input end, lower elevator decline switching value input end, lower elevator low speed switch amount input end, lower elevator high speed switch amount input end, lower elevator speed/torque change-over switch amount input end and upper elevator interlocking switch amount input end.
The bogie encoder of measuring flat bogie speed is installed on the flat bogie, and the pulse signal output end of bogie encoder is connected with the pulse signal input terminal of PLC Programmable Logic Controller.
The PLC Programmable Logic Controller can be measured the running velocity of flat bogie according to the output signal of bogie encoder, then by the FUZZY ALGORITHMS FOR CONTROL smart allocation of loading, make flat bogie by the acceleration and deceleration curves motion that presets.
The steel rope that is connected with the flat bogie two ends is provided with the slack rope switch, and the slack rope switch is connected with the switching value input end of PLC Programmable Logic Controller.
When flat bogie is up, upper winch haulage cable produces traction power, lower elevator machine travel steel rope produces traction resistance, can allow like this steel rope at flat bogie two remain some tension, effectively prevent dolly acceleration, operation, slowed down, slide the phenomenon that occurs slack rope in the process.
When flat bogie was descending, because the gradient of tunnel inner orbit is comparatively mild, the material on dolly was less, when the track friction resistance is larger, only relied on the flat bogie deadweight to be not enough to allow flat bogie slide; At this moment, lower elevator machine travel steel rope produces traction power, upper winch haulage cable will produce traction resistance, going up simultaneously the traction resistance of winch also will adjust in real time along with the descending speed of dolly, the steel rope of guaranteeing dolly two remains some tension, the situation of slack rope can not occur.
No matter frequency converter is in speed control or under the torque master mode, frequency converter all exists the Way of Regenerating Energy Feedback of generating state operation generation when braking to the dc bus of frequency converter, frequency converter can be in the generating situation for a long time when especially torque was controlled, and caused the frequency changer direct current bus voltage pump rise.For this reason, we adopt resistance resistance braking mode to absorb the excess energy scheme, are equipped with brake unit and braking resistor for each frequency converter, allow braking ratio reach 100%, realize continuously braking.
This tunnel and Double elevator flat bogie frequency-changing control system has following control function:
● single action/interlock control:
This function is set, can allows two frequency converters work alone very neatly and linkage work:
When working alone, general frequency converter only is in speed control mode for debugging and breakdown of equipment eliminating, and with lower fixed speed operation, to guarantee device security;
During linkage work, two frequency converter co-ordinations; Select linkage function, frequency converter can select speed and torque control during normal the use;
When " up " button of pressing on touch-screen or the remote controller, the dolly operation that will make progress by the velocity curve of acceleration → operation → low speed → creep → stop to stop preseting the upper end stop bit;
When " descending " button of pressing on touch-screen or the remote controller, dolly will move downwards by the velocity curve of acceleration → operation → low speed → creep → stop, and stops preseting the lower end stop bit;
Because the current location of dolly can be passed through the bogie encoder Real-Time Monitoring, therefore each stage of velocity curve can be passed through PLC Programmable Logic Controller Set arbitrarily, bring convenience to field adjustable, can further shorten the time of run of a cycle of operations, thereby improve equipment operating efficiency.
● band-type brake control function:
The core component frequency converter of native system is selected the heavy duty frequency converter of the special-purpose ACS800 series of ABB AB, this frequency converter has superpower DTC Torque Control, the full torque functions of 170% zero-speed, special use " band-type brake sequential " function menu, in 42 parameter group, but the parameters such as Set arbitrarily " band-type brake release frequency ", " band-type brake is closed frequency ", " preventing the landing frequency "." band-type brake release current ", " moment pressure amount " parameter is all adjustable in the 0-200% scope.So the condition of opening band brake apparatus is harsher, only have when magnetic field moment and set up fully, when electromagnetic torque reaches setting value, just can open band-type brake.The moment that band brake apparatus is opened, the locked rotor torque that electrical motor produces can guarantee that weight does not fall.Hang as example with secondary operation, before opening band-type brake, current of electric can be decomposed into exciting current and torque current, and by to setting detecting of moment, to guarantee to open band-type brake moment, the moment that motor produces is enough held weight.It is more safe and reliable when therefore, lifting or winch are hooked in the lift heavy thing.
● the remote controller Long-distance Control:
Remote controller sends operating order (single action/interlock, up, descending etc.) to the PLC Programmable Logic Controller, the PLC Programmable Logic Controller is according to signal, according to logical program, send instruction, the operation of two elevator frequency converters of control, can realize up, descending, at a high speed, low speed, single action, interlock, manually, automatically, power on, the operation such as failure reset.
● failure reset:
When equipment broke down, when especially the protection of elevator frequency converter was moved, the operative employee can reset to soft fault of system by the failure reset function.
● perfect defencive function:
Power protection: have upper electro-detection protection, misphase power protection, the anxious function and protecting such as power-off protection that stops;
Electric motor protecting: have the function and protectings such as disconnected phase, ground connection, overheated, under-voltage, overvoltage;
Position limitation protection: native system is provided with that pre-upper (descend) is spacing, upper (descending) is spacing, upper (descending) limit position three-level protective;
Overspeed protection: winch is equipped with overspeed switch, but also detection speed of coder is realized the two poles of the earth overspeed protection;
Rope creep protection: on the steel rope that the dolly two ends connect the slack rope switch is housed, in case when action occured, system stopped immediately, and sound and light alarm, reminds the timely trouble-shooting of maintenance repairer.
The beneficial effects of the utility model:
1, the utility model adopts the mode of double hoisting to drive flat bogie work, elevator frequency converter and lower elevator frequency converter are controlled respectively upper and lower two drive motor in the employing, flat bogie operates steadily, safety thereby make, stopped the generation of the accidents such as steel wire rope of windlass " slack rope ", flat bogie " underriding ", flat bogie pause, not only improve the conveying efficiency of flat bogie, and be difficult for making material to hang down from flat bogie.
2, the utility model adopts the PLC Programmable Logic Controller that upper elevator frequency converter and lower elevator frequency converter are controlled, adopt the work of touch-screen and remote controller control PLC Programmable Logic Controller, thereby so that the intelligent degree of native system is high, easy to operate, reduced the technical merit of service personnel.
(4), description of drawings:
Fig. 1 is one of fundamental diagram of tunnel and Double elevator flat bogie frequency-changing control system;
Fig. 2 be tunnel and Double elevator flat bogie frequency-changing control system fundamental diagram two.
(5), the specific embodiment:
Referring to Fig. 1～Fig. 2, among the figure, tunnel and Double elevator flat bogie frequency-changing control system contains PLC Programmable Logic Controller UF3, frequency converter and elevator drive motor, frequency converter contains elevator frequency converter UF1 and lower elevator frequency converter UF2, the elevator drive motor contains elevator drive motor DJ11 and lower elevator drive motor DJ21, the power of upper elevator drive motor DJ11 is greater than the power of lower elevator drive motor DJ21, upper elevator drive motor DJ11 is installed in the upper end of flat bogie orbit, lower elevator drive motor DJ21 is installed in the lower end of flat bogie orbit, the haulage cable of upper winch and lower winch is hung in the flat bogie two ends, the drive output of upper elevator frequency converter UF1 and lower elevator frequency converter UF2 is connected with lower elevator drive motor DJ21 with upper elevator drive motor DJ11 respectively, the analog output end of PLC Programmable Logic Controller UF3 is connected with the analog input end of upper elevator frequency converter UF1 and the analog input end of lower elevator frequency converter UF2, the analog input end of PLC Programmable Logic Controller UF3 is connected with the analog output end of upper elevator frequency converter UF1 and the analog output end of lower elevator frequency converter UF2, and the switching value mouth of PLC Programmable Logic Controller UF3 is connected with the switching value input end of upper elevator frequency converter UF1 and the switching value input end of lower elevator frequency converter UF2; The top and bottom of flat bogie orbit are separately installed with upper limit position switch and lower position switch, and upper limit position switch is connected with the switching value input end of lower position switch with PLC Programmable Logic Controller UF3; The communication port of PLC Programmable Logic Controller UF3 is connected with touch-screen UF4.
Upper elevator frequency converter UF1 and lower elevator frequency converter UF2 all can carry out speed control and torque control; When flat bogie was up, upper elevator frequency converter UF1 employing speed control was for flat bogie provides traction power, control flat bogie speed uplink, lower end elevator frequency converter UF2 adopts torque control, for flat bogie provides braking tension force, prevents that the slack rope phenomenon from appearring in the lower end winch; When flat bogie was descending, lower elevator frequency converter UF2 employing speed control was for flat bogie provides traction power, control flat bogie downstream rate, upper elevator frequency converter UF1 adopts torque control, for dolly provides braking tension force, prevents that the slack rope phenomenon from appearring in the upper end winch.
Three plase alternating current is connected respectively to the power end of upper elevator frequency converter UF1 and lower elevator frequency converter UF2 by the first circuit breaker 1-QF1 and the second circuit breaker 2-QF1, the mouth of the first circuit breaker 1-QF1 also successively by the 3rd circuit breaker 1-QF2 be connected contactless switch 1-KM and be connected with upper elevator braking motor DJ12, the mouth of the second circuit breaker 2-QF1 also successively by the 4th circuit breaker 2-QF2 be connected contactless switch 2-KM and be connected with lower elevator braking motor DJ22, upper elevator braking motor DJ12 and lower elevator braking motor DJ22 drive respectively hoist brake ZD1 and lower hoist brake ZD2; The one-way communication civil power is connected with the power end of PLC Programmable Logic Controller UF3 by the 5th circuit breaker 3-QF1, isolating transformer successively, the one-way communication civil power also is connected with the power end of remote controller receiver by the 6th circuit breaker 3-QF2, remote controller receiver is by wireless mode and remote controller communication, the switching value mouth of remote controller receiver is connected with the switching value input end of PLC Programmable Logic Controller UF3, and the communication port of PLC Programmable Logic Controller UF3 is connected with the communication port of touch-screen UF4 by the MPI bus; The contactless switch drive output of PLC Programmable Logic Controller UF3 and the first contactless switch 1-KM be connected the drive coil of contactless switch 2-KM and be connected.
Upper hoist brake ZD1 and lower hoist brake ZD2 are hydraulic brake, the model of PLC Programmable Logic Controller UF3 is Siemens 6SE72162BD230XB0, and the model of upper elevator frequency converter UF1 and lower elevator frequency converter UF2 is ACS800-01-0075-3+P901+L502+N651.
The analog input end of upper elevator frequency converter UF1 contains elevator moment amplitude limit input end and upper lifting-speed amplitude limit input end, and the analog input end of lower elevator frequency converter UF2 contains lower elevator moment amplitude limit input end and lower elevator speed limiting input end; The analog output end of upper elevator frequency converter UF1 contains elevator moment mouth and upper lifting-speed mouth, and the analog output end of lower elevator frequency converter UF2 contains lower elevator moment mouth and lower lifting-speed mouth; The switching value input end of upper elevator frequency converter UF1 contains hoisting switching value input end, upper elevator decline switching value input end, upper elevator low speed switch amount input end, upper elevator high speed switch amount input end, upper lifting-speed/torque change-over switch amount input end and lower elevator interlocking switch amount input end, the switching value input end of lower elevator frequency converter UF2 contains lower hoisting switching value input end, lower elevator decline switching value input end, lower elevator low speed switch amount input end, lower elevator high speed switch amount input end, lower elevator speed/torque change-over switch amount input end and upper elevator interlocking switch amount input end.
The bogie encoder PG that measures flat bogie speed is installed on the flat bogie, and the pulse signal output end of bogie encoder PG is connected with the pulse signal input terminal of PLC Programmable Logic Controller UF3.
PLC Programmable Logic Controller UF3 can measure the running velocity of flat bogie according to the output signal of bogie encoder PG, then by the FUZZY ALGORITHMS FOR CONTROL smart allocation of loading, make flat bogie by the acceleration and deceleration curves motion that presets.
The steel rope that is connected with the flat bogie two ends is provided with the slack rope switch, and the slack rope switch is connected with the switching value input end of PLC Programmable Logic Controller UF3.
When flat bogie is up, upper winch haulage cable produces traction power, lower elevator machine travel steel rope produces traction resistance, can allow like this steel rope at flat bogie two remain some tension, effectively prevent dolly acceleration, operation, slowed down, slide the phenomenon that occurs slack rope in the process.
When flat bogie was descending, because the gradient of tunnel inner orbit is comparatively mild, the material on dolly was less, when the track friction resistance is larger, only relied on the flat bogie deadweight to be not enough to allow flat bogie slide; At this moment, lower elevator machine travel steel rope produces traction power, upper winch haulage cable will produce traction resistance, going up simultaneously the traction resistance of winch also will adjust in real time along with the descending speed of dolly, the steel rope of guaranteeing dolly two remains some tension, the situation of slack rope can not occur.
No matter frequency converter is in speed control or under the torque master mode, frequency converter all exists the Way of Regenerating Energy Feedback of generating state operation generation when braking to the dc bus of frequency converter, frequency converter can be in the generating situation for a long time when especially torque was controlled, and caused the frequency changer direct current bus voltage pump rise.For this reason, we adopt resistance resistance braking mode to absorb the excess energy scheme, are equipped with brake unit and braking resistor for each frequency converter, allow braking ratio reach 100%, realize continuously braking.
This tunnel and Double elevator flat bogie frequency-changing control system has following control function:
● single action/interlock control:
This function is set, can allows two frequency converter UF1, UF2 work alone very neatly and linkage work:
When working alone, general frequency converter only is in speed control mode for debugging and breakdown of equipment eliminating, and with lower fixed speed operation, to guarantee device security;
During linkage work, two frequency converter co-ordinations; Select linkage function, frequency converter can select speed and torque control during normal the use;
When " up " button of pressing on touch-screen UF4 or the remote controller, the dolly operation that will make progress by the velocity curve of acceleration → operation → low speed → creep → stop to stop preseting the upper end stop bit;
When " descending " button of pressing on touch-screen UF4 or the remote controller, dolly will move downwards by the velocity curve of acceleration → operation → low speed → creep → stop, and stops preseting the lower end stop bit;
Because the current location of dolly can be passed through the bogie encoder Real-Time Monitoring, therefore each stage of velocity curve can be passed through PLC Programmable Logic Controller Set arbitrarily, bring convenience to field adjustable, can further shorten the time of run of a cycle of operations, thereby improve equipment operating efficiency.
● band-type brake control function:
The heavy duty frequency converter of the special-purpose ACS800 series that the core component frequency converter UF1 of native system, UF2 select ABB AB, this frequency converter has superpower DTC Torque Control, the full torque functions of 170% zero-speed, special use " band-type brake sequential " function menu, in 42 parameter group, but the parameters such as Set arbitrarily " band-type brake release frequency ", " band-type brake is closed frequency ", " preventing the landing frequency "." band-type brake release current ", " moment pressure amount " parameter is all adjustable in the 0-200% scope.So the condition of opening band brake apparatus is harsher, only have when magnetic field moment and set up fully, when electromagnetic torque reaches setting value, just can open band-type brake.The moment that band brake apparatus is opened, the locked rotor torque that electrical motor produces can guarantee that weight does not fall.Hang as example with secondary operation, before opening band-type brake, current of electric can be decomposed into exciting current and torque current, and by to setting detecting of moment, to guarantee to open band-type brake moment, the moment that motor produces is enough held weight.It is more safe and reliable when therefore, lifting or winch are hooked in the lift heavy thing.
● the remote controller Long-distance Control:
Remote controller sends operating order (single action/interlock, up, descending etc.) to PLC Programmable Logic Controller UF3, PLC Programmable Logic Controller UF3 is according to signal, according to logical program, send instruction, control the operation of two elevator frequency converter UF1, UF2, can realize up, descending, at a high speed, low speed, single action, interlock, manually, automatically, power on, the operation such as failure reset.
● failure reset:
When equipment broke down, when especially elevator frequency converter UF1, UF2 protection was moved, the operative employee can reset to soft fault of system by the failure reset function.
● perfect defencive function:
Power protection: have upper electro-detection protection, misphase power protection, the anxious function and protecting such as power-off protection that stops;
Electric motor protecting: have the function and protectings such as disconnected phase, ground connection, overheated, under-voltage, overvoltage;
Position limitation protection: native system is provided with that pre-upper (descend) is spacing, upper (descending) is spacing, upper (descending) limit position three-level protective;
Overspeed protection: winch is equipped with overspeed switch, but also detection speed of coder PG is realized the two poles of the earth overspeed protection;
Rope creep protection: on the steel rope that the dolly two ends connect the slack rope switch is housed, in case when action occured, system stopped immediately, and sound and light alarm, reminds the timely trouble-shooting of maintenance repairer.
Claims (6)
1. tunnel and Double elevator flat bogie frequency-changing control system, contain the PLC Programmable Logic Controller, frequency converter and elevator drive motor, it is characterized in that: frequency converter contains elevator frequency converter and lower elevator frequency converter, the elevator drive motor contains elevator drive motor and lower elevator drive motor, the power of upper elevator drive motor is greater than the power of lower elevator drive motor, upper elevator drive motor is installed in the upper end of flat bogie orbit, lower elevator drive motor is installed in the lower end of flat bogie orbit, the drive output of upper elevator frequency converter and lower elevator frequency converter is connected with lower elevator drive motor with upper elevator drive motor respectively, the analog output end of PLC Programmable Logic Controller is connected with the analog input end of the analog input end of upper elevator frequency converter and lower elevator frequency converter, the analog input end of PLC Programmable Logic Controller is connected with the analog output end of the analog output end of upper elevator frequency converter and lower elevator frequency converter, and the switching value mouth of PLC Programmable Logic Controller is connected with the switching value input end of the switching value input end of upper elevator frequency converter and lower elevator frequency converter; The top and bottom of flat bogie orbit are separately installed with upper limit position switch and lower position switch, and upper limit position switch is connected with the switching value input end of PLC Programmable Logic Controller with lower position switch; The communication port of PLC Programmable Logic Controller is connected with touch-screen.
2. tunnel and Double elevator flat bogie frequency-changing control system according to claim 1, it is characterized in that: three plase alternating current is connected respectively to the power end of upper elevator frequency converter and lower elevator frequency converter by the first circuit breaker and the second circuit breaker, the mouth of the first circuit breaker also successively by the 3rd circuit breaker be connected contactless switch and be connected with upper elevator braking motor, the mouth of the second circuit breaker also successively by the 4th circuit breaker be connected contactless switch and be connected with lower elevator braking motor, upper elevator braking motor and lower elevator braking motor drive respectively hoist brake and lower hoist brake; The one-way communication civil power is connected with the power end of PLC Programmable Logic Controller by the 5th circuit breaker, isolating transformer successively, the one-way communication civil power also is connected with the power end of remote controller receiver by the 6th circuit breaker, remote controller receiver is by wireless mode and remote controller communication, the switching value mouth of remote controller receiver is connected with the switching value input end of PLC Programmable Logic Controller, and the communication port of PLC Programmable Logic Controller is connected with the communication port of touch-screen by the MPI bus; The contactless switch drive output of PLC Programmable Logic Controller and the first contactless switch be connected the drive coil of contactless switch and be connected.
3. tunnel and Double elevator flat bogie frequency-changing control system according to claim 2, it is characterized in that: described upper hoist brake and lower hoist brake are hydraulic brake, the model of PLC Programmable Logic Controller is Siemens 6SE72162BD230XB0, and the model of upper elevator frequency converter and lower elevator frequency converter is ACS800-01-0075-3+P901+L502+N651.
4. tunnel and Double elevator flat bogie frequency-changing control system according to claim 1, it is characterized in that: the analog input end of described upper elevator frequency converter contains elevator moment amplitude limit input end and upper lifting-speed amplitude limit input end, and the analog input end of lower elevator frequency converter contains lower elevator moment amplitude limit input end and lower elevator speed limiting input end; The analog output end of upper elevator frequency converter contains elevator moment mouth and upper lifting-speed mouth, and the analog output end of lower elevator frequency converter contains lower elevator moment mouth and lower lifting-speed mouth; The switching value input end of upper elevator frequency converter contains hoisting switching value input end, upper elevator decline switching value input end, upper elevator low speed switch amount input end, upper elevator high speed switch amount input end, upper lifting-speed/torque change-over switch amount input end and lower elevator interlocking switch amount input end, the switching value input end of lower elevator frequency converter contains lower hoisting switching value input end, lower elevator decline switching value input end, lower elevator low speed switch amount input end, lower elevator high speed switch amount input end, lower elevator speed/torque change-over switch amount input end and upper elevator interlocking switch amount input end.
5. tunnel and Double elevator flat bogie frequency-changing control system according to claim 1, it is characterized in that: the bogie encoder of measuring flat bogie speed is installed on the described flat bogie, and the pulse signal output end of bogie encoder is connected with the pulse signal input terminal of PLC Programmable Logic Controller.
6. tunnel and Double elevator flat bogie frequency-changing control system according to claim 1, it is characterized in that: the steel rope that is connected with described flat bogie two ends is provided with the slack rope switch, and the slack rope switch is connected with the switching value input end of PLC Programmable Logic Controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220398361 CN202704914U (en) | 2012-08-13 | 2012-08-13 | Tunnel double-winch flat trolley frequency conversion control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220398361 CN202704914U (en) | 2012-08-13 | 2012-08-13 | Tunnel double-winch flat trolley frequency conversion control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071717A (en) * | 2014-06-27 | 2014-10-01 | 山东世纪矿山机电有限公司 | Frequency converter and winch system based on PLC and control method thereof |
| CN105236288A (en) * | 2015-10-26 | 2016-01-13 | 黑龙江科技大学 | Electrical control system for wire saw coal mining |
| CN106121591A (en) * | 2016-08-14 | 2016-11-16 | 山东创新石油技术有限公司 | Motor commutation without counterweight adjusts ginseng electricity-saving type vertical oil-pumping machine automatically |
| CN110127546A (en) * | 2018-12-07 | 2019-08-16 | 中国煤炭科工集团太原研究院有限公司 | A kind of self-supporting inverter-fed traction winch |
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2012
- 2012-08-13 CN CN 201220398361 patent/CN202704914U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071717A (en) * | 2014-06-27 | 2014-10-01 | 山东世纪矿山机电有限公司 | Frequency converter and winch system based on PLC and control method thereof |
| CN105236288A (en) * | 2015-10-26 | 2016-01-13 | 黑龙江科技大学 | Electrical control system for wire saw coal mining |
| CN106121591A (en) * | 2016-08-14 | 2016-11-16 | 山东创新石油技术有限公司 | Motor commutation without counterweight adjusts ginseng electricity-saving type vertical oil-pumping machine automatically |
| CN110127546A (en) * | 2018-12-07 | 2019-08-16 | 中国煤炭科工集团太原研究院有限公司 | A kind of self-supporting inverter-fed traction winch |
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