CN103146400B - Dry quenching hoister control device - Google Patents
Dry quenching hoister control device Download PDFInfo
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- CN103146400B CN103146400B CN201310089702.7A CN201310089702A CN103146400B CN 103146400 B CN103146400 B CN 103146400B CN 201310089702 A CN201310089702 A CN 201310089702A CN 103146400 B CN103146400 B CN 103146400B
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- converter plant
- traveling
- control
- plc controller
- control relay
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Abstract
The invention provides a dry quenching hoister control device which comprises a PLC (programmable logic controller), a hoisting frequency conversion device, a walking frequency conversion device, a hoisting driving motor, a walking driving motor, a hoisting control relay and a walking control relay; the hoisting frequency conversion device and the walking frequency conversion device are both connected with a communication module of the PLC in a bus communication mode; the hoisting control relay is connected with an on-off input terminal of the hoisting frequency conversion device; the walking control relay is connected with an on-off input terminal of the hoisting frequency conversion device; and the hoisting control relay and the walking control relay are both connected with a DO (digital output) module of the PLC. The dry quenching hoister control device provided by the invention is simple in structure, can overcome defects of controlling independently through a communication mode or a terminal hardwired connection mode, and can stop reliably.
Description
Technical field
The present invention relates to control setup field, specifically a kind of coke dry quenching hoister control setup.
Background technology
At present, the handshake mode between coke dry quenching hoister PLC controller and each converter plant has two kinds: the one, to realize by the mode of communication, and another is that the mode connecting by terminal rigid line realizes.And using merely communication modes control converter plant, in the situation that communication goes wrong, if converter plant is not shut down because of communication failure, PLC controller can lose the control ability to this converter plant completely; The simple frequency converter Terminal control mode that uses, keep away the possibility that unavoidable control relay sticky point damages, though and use start-stop and the rate conversion of how many control relay control converter plants, PLC controller still can lose the control for corresponding converter plant in this case.
Thereby how to improve PLC controller, effective control of each converter plant is reduced and causes the frequency conversion possibility that causes cataphoretic failure out of control by breakdown of equipment, it is a kind of essential to have become, but not yet has more satisfactory control setup at present.This is the deficiencies in the prior art part.
Summary of the invention
Technical matters to be solved by this invention is; for the deficiencies in the prior art; provide a kind of simple in structure, and can overcome separately by communication modes or by terminal rigid line connection mode control coke dry quenching hoister control setup drawback, that can realize reliable shutdown.
For solving the problems of the technologies described above, the invention provides a kind of coke dry quenching hoister control setup, include PLC controller, lifting converter plant, traveling converter plant, promote drive motor, traveling drive motor, promote control relay and traveling control relay; And described lifting converter plant and traveling converter plant are all connected the communication module of PLC controller by bus communication mode; Described lifting control relay connects the switching value input terminal that promotes converter plant, described traveling control relay connects the switching value input terminal of traveling converter plant, and described lifting control relay and traveling control relay are all connected the DO module of PLC controller.
Wherein, described PLC controller connects annunciator and band-type brake.
Wherein, described PLC controller adopts 1756PLC controller.
Wherein, described lifting converter plant and traveling converter plant all adopt Siemens S120 converter plant.
Compared with prior art, the invention has the advantages that:
The present invention will promote converter plant and be connected with PLC controller by bus communication mode with traveling converter plant, and by the switching value input terminal of described lifting converter plant and traveling converter plant successively with promote control relay, traveling control relay is connected, be connected with PLC controller more afterwards, the starting of this connection mode by the each converter plant of each converter plant Terminal control function control with stop, the given signal of the each converter plant of Communication Control function control by each converter plant, overcome separately by communication modes or by the drawback of terminal rigid line connection mode control, reduce the probability out of control of converter plant, improve the stability that coke dry quenching hoister uses, can guarantee to occur when abnormal in PLC controller and converter plant communication, or control relay occurs in abnormal situation out of control, can realize failure-free shuts down.
As can be seen here, the present invention compared with prior art, has outstanding substantive distinguishing features and significant progressive, and the beneficial effect of its enforcement is also apparent.
Brief description of the drawings
In order to be illustrated more clearly in embodiment of the present invention, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structured flowchart schematic diagram of coke dry quenching hoister control setup of the present invention.
Detailed description of the invention
The invention provides a kind of coke dry quenching hoister control setup, for making technical scheme of the present invention and advantage clearer, below in conjunction with accompanying drawing of the present invention, technical scheme of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to protection scope of the present invention.
As shown in Figure 1, a kind of coke dry quenching hoister control setup of the present invention, includes PLC controller, lifting converter plant, traveling converter plant, promotes drive motor, traveling drive motor, promotes control relay and traveling control relay; And described lifting converter plant and traveling converter plant are all connected the communication module of PLC controller by bus communication mode; Described lifting control relay connects the switching value input terminal that promotes converter plant, described traveling control relay connects the switching value input terminal of traveling converter plant, and described lifting control relay and traveling control relay are all connected the DO module of PLC controller.Wherein, described PLC controller connects annunciator and band-type brake.
Preferably, PLC controller adopts 1756PLC controller; Promote converter plant and traveling converter plant and all adopt Siemens S120 converter plant.
When the present invention uses, promote in the process of drive motor and/or the startup of traveling drive motor, PLC controller to promoting converter plant and traveling converter plant transmission speed given value, is controlled the running velocity of described each converter plant by bus communication mode; Meanwhile, PLC controller sends converter plant startup and shutdown signal to promoting control relay and/or traveling control relay, controls startup and the shutdown of described each converter plant, and then controls startup and the shutdown of coke dry quenching hoister.
The present invention in the process using, the communication quality of the real-time testbus communication modes of PLC controller, and if communication normal, normally control converter plant operation and stop; Otherwise, once PLC controller detects that bus communication is abnormal, promote control relay and/or traveling control relay control converter plant by the control of PLC controller, realize the shutdown control with traveling to coke dry quenching hoister lifting.
The method of inspection of PLC controller testbus communication quality can use life bit check method, by PLC controller to promote converter plant or/traveling converter plant sends the impulse singla of a fixed cycle, this converter plant receives and is also fed back to PLC controller; PLC controller detects the impulse singla of this feedback in real time: if in fixing monitoring time, and impulse singla saltus step between 0 and 1, between PLC controller and this converter plant, communication is normal; Otherwise, communication abnormality, PLC controller is shut down by this converter plant of control relay control being connected with this converter plant, thereby coke dry quenching hoister is shut down.
Particularly, the control of PLC controller promote converter plant or/process that traveling converter plant stops in, PLC controller reduces to 0 by the speed preset that sends to converter plant simultaneously, realize converter plant by control relay shuts down simultaneously, if converter plant disorderly closedown state detected after this process finishes, judge that control relay goes wrong, now speed preset is 0, frequency converter is in the state of 0 speed operation, coordinate the action of controlling band-type brake, can realize the parking control of motor, send alerting signal simultaneously, notice service personnel handling failure relay.
In a word, in the course of the work, the starting of the present invention by the each converter plant of each converter plant Terminal control function control with stop, the given signal of the each converter plant of Communication Control function control by each converter plant, and the method for delivering for a check with life position monitors communication quality, chain with intersecting of rigid line connecting terminal signal with communication signal, reduce converter plant probability out of control, improve stability when coke dry quenching hoister uses, guarantee to occur when abnormal in PLC controller and converter plant communication, or control relay occurs in abnormal situation out of control, can realize failure-free shuts down.
Above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned embodiments, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment technical scheme of the present invention.
Claims (3)
1. a coke dry quenching hoister control setup, include PLC controller, promote converter plant, traveling converter plant, promote drive motor, traveling drive motor, promote control relay and traveling control relay, it is characterized in that: described lifting converter plant and traveling converter plant are all connected the communication module of PLC controller by bus communication mode; Described lifting control relay connects the switching value input terminal that promotes converter plant, described traveling control relay connects the switching value input terminal of traveling converter plant, and described lifting control relay and traveling control relay are all connected the DO module of PLC controller; Described PLC controller connects annunciator and band-type brake; Promote in the process of drive motor and/or the startup of traveling drive motor, PLC controller to promoting converter plant and traveling converter plant transmission speed given value, is controlled the running velocity of described each converter plant by bus communication mode; Meanwhile, PLC controller sends converter plant startup and shutdown signal to promoting control relay and/or traveling control relay, controls startup and the shutdown of described each converter plant, and then controls startup and the shutdown of coke dry quenching hoister; The communication quality of the real-time testbus communication modes of PLC controller, and if communication normal, normally control converter plant operation and stop; Otherwise, once PLC controller detects that bus communication is abnormal, promote control relay and/or traveling control relay control converter plant by the control of PLC controller, realize the shutdown control with traveling to coke dry quenching hoister lifting; The control of PLC controller promote converter plant or/process that traveling converter plant stops in; PLC controller reduces to 0 by the speed preset that sends to converter plant simultaneously; realize converter plant by control relay shuts down simultaneously; if converter plant disorderly closedown state detected after this process finishes; judge that control relay goes wrong; now speed preset is 0; frequency converter is in the state of 0 speed operation; coordinate the action of controlling band-type brake; can realize the parking control of motor; send alerting signal, notice service personnel handling failure relay simultaneously.
2. according to coke dry quenching hoister control setup claimed in claim 1, it is characterized in that: described PLC controller adopts 1756PLC controller.
3. according to coke dry quenching hoister control setup claimed in claim 1, it is characterized in that: described lifting converter plant and traveling converter plant all adopt Siemens S120 converter plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089702.7A CN103146400B (en) | 2013-03-20 | 2013-03-20 | Dry quenching hoister control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089702.7A CN103146400B (en) | 2013-03-20 | 2013-03-20 | Dry quenching hoister control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103146400A CN103146400A (en) | 2013-06-12 |
| CN103146400B true CN103146400B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310089702.7A Expired - Fee Related CN103146400B (en) | 2013-03-20 | 2013-03-20 | Dry quenching hoister control device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113416560B (en) * | 2021-06-24 | 2022-09-27 | 武汉钢铁有限公司 | Online hot standby system of frequency converter of coke dry quenching hoister, hot standby control method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6023399A (en) * | 1996-09-24 | 2000-02-08 | Hitachi, Ltd. | Decentralized control system and shutdown control apparatus |
| CN101513969A (en) * | 2009-03-06 | 2009-08-26 | 山东泰山天盾矿山机械有限公司 | High-voltage multi-PLC converter low-frequency brake electric control system of a lifter |
| CN201362531Y (en) * | 2009-03-16 | 2009-12-16 | 湖北江汉建筑工程机械有限公司 | Intelligent lifter control device |
-
2013
- 2013-03-20 CN CN201310089702.7A patent/CN103146400B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6023399A (en) * | 1996-09-24 | 2000-02-08 | Hitachi, Ltd. | Decentralized control system and shutdown control apparatus |
| CN101513969A (en) * | 2009-03-06 | 2009-08-26 | 山东泰山天盾矿山机械有限公司 | High-voltage multi-PLC converter low-frequency brake electric control system of a lifter |
| CN201362531Y (en) * | 2009-03-16 | 2009-12-16 | 湖北江汉建筑工程机械有限公司 | Intelligent lifter control device |
Non-Patent Citations (2)
| Title |
|---|
| "安钢140T干熄焦提升机控制系统浅析";连亮等;《中国新技术新产品》;20101231(第15期);第157页 * |
| 连亮等."安钢140T干熄焦提升机控制系统浅析".《中国新技术新产品》.2010,(第15期),第157页. * |
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| CN103146400A (en) | 2013-06-12 |
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