CN209535055U - A kind of molten iron tractor alternating-current electric control system - Google Patents
A kind of molten iron tractor alternating-current electric control system Download PDFInfo
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- CN209535055U CN209535055U CN201822245650.9U CN201822245650U CN209535055U CN 209535055 U CN209535055 U CN 209535055U CN 201822245650 U CN201822245650 U CN 201822245650U CN 209535055 U CN209535055 U CN 209535055U
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Abstract
The utility model provides a kind of molten iron tractor alternating-current electric control system, including PLC, near-earth receiver of remote-control sytem, data radio station receiver, the first frequency converter, the second frequency converter, third frequency converter, the 4th frequency converter, the first encoder, second encoder, combined aural and visual alarm, regulated power supply and battery.PLC connects near-earth receiver of remote-control sytem by the port DI, and the operation signal of industrial remote controller is received by near-earth receiver of remote-control sytem；The PLC connects wireless digital broadcasting station receiver by the port RS232, receives the remote operation signal that wireless digital broadcasting station transmitter issues by wireless digital broadcasting station receiver.Molten iron tractor is driven using alternating frequency conversion technique, simultaneously, realized with remote control with two kinds of modes of operation, using RS485 bus using near-earth remote control the master-slave communication of PLC and multiple frequency converters, using Dual-encoder progress position detection, using not out of control under battery guarantee power down mode, realize the high reliability of whole system.
Description
Technical field
The utility model relates to molten iron tractor control technology field, in particular to a kind of molten iron tractor alternating current gas control
System processed.
Background technique
When blast furnace casting operation, usually the molten iron of thawing is injected into hot-metal bottle, then molten iron tractor will be each
The hot-metal bottle filled is transported to outside State of Blast Furnace, then transports to corresponding destination by other means of transports.Molten iron tractor is as blast furnace
The capital equipment of Molten Iron Transportation under furnace much drives operation, early stage using direct current generator to meet the randomness of blast furnace casting
Direct current chopping regulating speed technology was widely used later, controlled to reduce energy loss and improving hauling ability using rheostatic speed regulation technology
System processed drives direct current generator, drives the forward or backward of tractor by control dc chopper.
Due to the limitation of direct current chopping regulating speed technical applications, selected currently without the standardized product of sizing, it is each
Product is all that producer oneself completes, and the hierarchy of skill is irregular, and installation, debugging, breakdown maintenance, spare parts and components etc. have very big
Limitation.And alternating frequency conversion technique tends to be mature, the starting of AC frequency conversion, braking, torque characteristics can meet molten iron tractor
Driving requires.
In addition, the operation of molten iron tractor at present is mainly by remote control operation, and since molten iron tractor is in blast furnace operation
In important equipment, there can be no operation failures or out-of-control phenomenon, it is also necessary to which the reliability for increasing system guarantees the safety of blast furnace
Reliably.
Summary of the invention
In order to solve the problems, such as described in background technique, the utility model provides a kind of molten iron tractor alternating-current electric control system
System, drives molten iron tractor using alternating frequency conversion technique, meanwhile, using near-earth remote control with remote control with two kinds of operations
Mode, the master-slave communication that PLC and multiple frequency converters are realized using RS485 bus are carried out position detection using Dual-encoder, used
It is not out of control under battery guarantee power down mode, realize the high reliability of whole system.
In order to achieve the above object, the utility model is implemented with the following technical solutions:
A kind of molten iron tractor alternating-current electric control system, including PLC, near-earth receiver of remote-control sytem, data radio station receiver,
First frequency converter, the second frequency converter, third frequency converter, the 4th frequency converter, the first encoder, second encoder, combined aural and visual alarm,
Regulated power supply and battery.
The PLC connects near-earth receiver of remote-control sytem by the port DI, receives remote control by near-earth receiver of remote-control sytem
The operation signal of device；The PLC connects wireless digital broadcasting station receiver by the port RS232, is connect by wireless digital broadcasting station
It receives device and receives the remote operation signal that wireless digital broadcasting station transmitter issues.
The PLC connects the first frequency converter, the second frequency converter, third frequency converter and the 4th with RS485 bus mode and becomes
Frequency device passes through four actives of the first frequency converter, the second frequency converter, third frequency converter and the 4th transducer drive molten iron tractor
The motor of wheel；Encoder, the coding of the encoder and PLC are installed on two driving wheels in four driving wheels
Device port is connected.
The PLC connects combined aural and visual alarm by the port DO.
The port DO of the PLC is also connected with electromagnetic brake, and the electromagnetic brake includes four of molten iron tractor
The electromagnetic brake of driver motor；The regulated power supply input terminal connects AC power source, and output end exports DC power supply, to store
Battery charging, accumulator output end connect the power end of PLC, electromagnetic brake, data radio station receiver and combined aural and visual alarm, are handing over
When flowing power cut-off, by battery be PLC, electromagnetic brake, data radio station receiver and combined aural and visual alarm provide power supply.
The port DI of the PLC is also connected with the fault-signal of frequency converter, and the fault-signal of the frequency converter includes
The fault-signal of the failure output terminal mouth output of first frequency converter, the second frequency converter, third frequency converter and the 4th frequency converter.
The PLC also passes through ethernet communication interface connection touch screen.
Compared with prior art, the utility model has the beneficial effects that
1, using near-earth remote control and the same two kinds of modes of operation of remote control, near-earth remote control is industrial remote controller with regard near operation
Signal, industrial remote controller remote control distance is short, is suitble to nearest remote control operation on site；Remote control is to pass through the remote of data radio station
Journey radio operation, data radio station are remote-wireless communication；Near-earth remote control operation simultaneously can lead molten iron with remote control operation
Draw vehicle to be operated, functional, high reliablity；
2, the receiver of industrial remote controller and PLC are I/O port connection type, do not have communication interactive function, and number conducts electricity
The communication that platform may be implemented with PLC interacts, and is not only able to issue operation signal to PLC, additionally it is possible to it is faulty that institute is read from PLC
Signal and status signal, reliability and functionality are stronger；
3, the master-slave communication that PLC and multiple frequency converters are realized using RS485 bus, than the connection type of conventional I/O port
Signal reliability is strong, saves I/O port and Hard link line, failure rate is low, high reliablity；
4, using Dual-encoder carry out position detection, conventional position detection only need an encoder can, this reality
Dual-encoder redundancy is used with novel, guarantees the reliability of position signal；
5, using battery, when power failure, battery provides for the control of PLC, data radio station, alarm and band-type brake can
It is not out of control under guarantee power down mode by power supply, realize the high reliability of whole system.
6, molten iron tractor is driven using alternating frequency conversion technique, replaces original DC driven, maintenance and maintenance
It is at low cost.
Detailed description of the invention
Fig. 1 is the PLC- AC frequency conversion system structure frame of the molten iron tractor alternating-current electric control system of the utility model
Figure.
Specific embodiment
Specific embodiment provided by the utility model is described in detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of molten iron tractor alternating-current electric control system, including PLC, near-earth receiver of remote-control sytem, number pass
Radio station receiver, the first frequency converter, the second frequency converter, third frequency converter, the 4th frequency converter, the first encoder, second encoder,
Combined aural and visual alarm, 48V regulated power supply and 48V battery.
The PLC connects near-earth receiver of remote-control sytem by the port DI, receives remote control by near-earth receiver of remote-control sytem
The operation signal of device；The PLC connects wireless digital broadcasting station receiver by the port RS232, is connect by wireless digital broadcasting station
It receives device and receives the remote operation signal that wireless digital broadcasting station transmitter issues.
The PLC connects the first frequency converter, the second frequency converter, third frequency converter and the 4th with RS485 bus mode and becomes
Frequency device passes through four actives of the first frequency converter, the second frequency converter, third frequency converter and the 4th transducer drive molten iron tractor
The motor of wheel；Encoder, the coding of the encoder and PLC are installed on two driving wheels in four driving wheels
Device port is connected.
The PLC connects combined aural and visual alarm by the port DO.
The port DO of the PLC is also connected with electromagnetic brake, and the electromagnetic brake includes four of molten iron tractor
The electromagnetic brake of driver motor；The 48V regulated power supply input terminal connects AC power source, and output end exports 48V direct current
Source is charged for 48V battery, and 48V accumulator output end connects PLC, electromagnetic brake, data radio station receiver and combined aural and visual alarm
Power end, AC power source power-off when, by 48V battery be PLC, electromagnetic brake, data radio station receiver and sound-light alarm
Device provides power supply.
The port DI of the PLC is also connected with the fault-signal of frequency converter, and the fault-signal of the frequency converter includes
The fault-signal of the failure output terminal mouth output of first frequency converter, the second frequency converter, third frequency converter and the 4th frequency converter.
The PLC also passes through ethernet communication interface connection touch screen.
The preferred Siemens S7 series PLC of the PLC, the preferred Siemens G120 Series Frequency Converter of the frequency converter, institute
The encoder selection absolute value type encoder stated, is used for position detection.
Above embodiments are implemented under premised on technical solutions of the utility model, give detailed embodiment
With specific operating process, but the protection scope of the utility model is not limited to the above embodiments.Side used in above-described embodiment
Method is conventional method unless otherwise instructed.
Claims (3)
1. a kind of molten iron tractor alternating-current electric control system, which is characterized in that conduct electricity including PLC, near-earth receiver of remote-control sytem, number
Platform receiver, the first frequency converter, the second frequency converter, third frequency converter, the 4th frequency converter, the first encoder, second encoder, sound
Light crossing-signal, regulated power supply and battery；
The PLC connects near-earth receiver of remote-control sytem by the port DI, receives industrial remote controller by near-earth receiver of remote-control sytem
Operation signal；The PLC connects wireless digital broadcasting station receiver by the port RS232, passes through wireless digital broadcasting station receiver
Receive the remote operation signal that wireless digital broadcasting station transmitter issues；
The PLC connects the first frequency converter, the second frequency converter, third frequency converter and the 4th frequency converter with RS485 bus mode,
Pass through four driving wheels of the first frequency converter, the second frequency converter, third frequency converter and the 4th transducer drive molten iron tractor
Motor；Encoder, the encoder-side of the encoder and PLC are installed on two driving wheels in four driving wheels
Mouth is connected；
The PLC connects combined aural and visual alarm by the port DO, and the PLC also passes through the port DO connection electromagnetic brake, described
Electromagnetic brake include molten iron tractor four driver motors electromagnetic brake；The regulated power supply input terminal, which connects, to be handed over
Galvanic electricity source, output end export DC power supply, and to charge the battery, accumulator output end connects PLC, electromagnetic brake, data radio station
The power end of receiver and combined aural and visual alarm, in AC power source power-off, by battery be PLC, electromagnetic brake, data radio station connect
It receives device and combined aural and visual alarm provides power supply.
2. a kind of molten iron tractor alternating-current electric control system according to claim 1, which is characterized in that the PLC
The port DI be also connected with the fault-signal of frequency converter, the fault-signal of the frequency converter includes the first frequency converter, second becomes
The fault-signal of the failure output terminal mouth output of frequency device, third frequency converter and the 4th frequency converter.
3. a kind of molten iron tractor alternating-current electric control system according to claim 1, which is characterized in that the PLC
Touch screen is also connected by ethernet communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822245650.9U CN209535055U (en) | 2018-12-29 | 2018-12-29 | A kind of molten iron tractor alternating-current electric control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822245650.9U CN209535055U (en) | 2018-12-29 | 2018-12-29 | A kind of molten iron tractor alternating-current electric control system |
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| Publication Number | Publication Date |
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| CN209535055U true CN209535055U (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822245650.9U Active CN209535055U (en) | 2018-12-29 | 2018-12-29 | A kind of molten iron tractor alternating-current electric control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111804900A (en) * | 2020-07-20 | 2020-10-23 | 中车资阳机车有限公司 | Shaft type counterpoint tractor of C0 |
-
2018
- 2018-12-29 CN CN201822245650.9U patent/CN209535055U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111804900A (en) * | 2020-07-20 | 2020-10-23 | 中车资阳机车有限公司 | Shaft type counterpoint tractor of C0 |
| CN111804900B (en) * | 2020-07-20 | 2021-12-17 | 中车资阳机车有限公司 | Shaft type counterpoint tractor of C0 |
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