CN113926866A - Redundant controller of bar skirtboard - Google Patents
Redundant controller of bar skirtboard Download PDFInfo
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- CN113926866A CN113926866A CN202111089800.1A CN202111089800A CN113926866A CN 113926866 A CN113926866 A CN 113926866A CN 202111089800 A CN202111089800 A CN 202111089800A CN 113926866 A CN113926866 A CN 113926866A
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- power supply
- redundant
- apron board
- control
- switch
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- 230000001276 controlling effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a redundant controller for a rod apron board, which comprises an apron board electric cabinet, a plurality of apron board electromagnetic valves for controlling the action of the apron board, a control loop and an execution loop, wherein the apron board electric cabinet is connected with the apron board electromagnetic valves; the control loop is used for supplying power to the apron board electric control box in a decentralized arrangement and local control mode; and the execution loop is used for realizing the automatic switching of redundant power supplies of a plurality of apron plate solenoid valves. The output power can be automatically regulated according to the actual working condition of the field equipment through an electric control box and an auxiliary system which are arranged on the field; when abnormal conditions occur, the controller can effectively avoid shutdown and abnormal actions of the apron board, reduce unnecessary loss and unnecessary working procedures, is reliable in application, and can prolong the service life of equipment.
Description
Technical Field
The invention relates to the technical field of bar line production equipment, in particular to a redundant controller for a bar skirtboard.
Background
The cooling bed area electric control system used by the existing bar wire is based on a control mode of a PLC and a field signal station, a field intermediate relay controls the specific control of an electromagnetic valve, once the intermediate relay is in a problem or an electric element in a control box is damaged, or a control signal causes voltage reduction due to overlong lines so as to influence the control precision, the breakdown of a skirt control system is caused, the control of the whole cooling bed area electric equipment is further influenced, and the problems of capacity exertion obstruction and personnel labor intensity increase exist.
Disclosure of Invention
The invention aims to provide a redundant controller for a rod skirt plate.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a redundant controller of a bar skirtboard comprises a skirtboard electric cabinet, a plurality of skirtboard electromagnetic valves for controlling the action of the skirtboard, a control loop and an execution loop;
the control loop is used for supplying power to the apron board electric control box in a decentralized arrangement and local control mode;
the execution loop is used for realizing automatic switching of redundant power supplies of the plurality of apron board electromagnetic valves;
the execution loop comprises a main power switch, a first power supply assembly, a redundant power supply assembly and a terminal deconcentrator, wherein the main power switch is connected with the terminal deconcentrator through the first power supply assembly, and the main power switch is connected with the terminal deconcentrator through the redundant power supply assembly.
Preferably, the first power supply assembly comprises a power supply module, a first power switch and two control modules, the total power switch, the power supply module, the first power switch and the two control modules are electrically connected in sequence, and the output ends of the two control modules are connected with the terminal deconcentrator.
Preferably, the redundant power supply assembly comprises a redundant power supply module, a second power supply switch and two redundant control modules, the main power supply switch, the redundant power supply module, the second power supply switch and the two redundant control modules are electrically connected in sequence, and the output ends of the two redundant control modules are connected with the terminal deconcentrator.
Preferably, the output end of the terminal splitter is electrically connected with a plurality of apron solenoid valves.
Preferably, the control circuit comprises a PLC control chip and a contactor, the PLC control chip and the contactor are both arranged in the apron board electric control box, the PLC control chip supplies power to the contactor at 220V through an instruction, and the output end of the contactor is connected with the input end of the main power switch.
Preferably, the contactor is connected to the middle of a plurality of apron board solenoid valve power supply lines, and the apron board solenoid valves are powered by one power supply line.
Preferably, the PLC control chip controls the start and stop of the plurality of apron board electromagnetic valves through a preset program.
Compared with the prior art, the invention has the advantages that:
the output power can be automatically regulated according to the actual working condition of the field equipment through an electric control box and an auxiliary system which are arranged on the field; when abnormal conditions occur, the controller can effectively avoid shutdown and abnormal actions of the apron board, reduce unnecessary loss and unnecessary working procedures, is reliable in application, and can prolong the service life of equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a connection diagram of a bar skirt panel redundancy controller according to the present invention;
FIG. 2 is a frame connection diagram of the execution circuit of the present invention;
FIG. 3 is a frame connection diagram of the control loop of the present invention;
fig. 4 is a circuit diagram of a PLC control chip of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
Referring to fig. 1 and 2, the invention provides a redundant controller for a rod skirt board, which comprises a skirt board electric cabinet, a plurality of skirt board electromagnetic valves for controlling the skirt board action, a control loop and an execution loop, wherein the skirt board electric cabinet is connected with the control loop;
the control loop is used for supplying power to the apron board electric control box in a distributed arrangement and local control mode, and the distance between the apron board electric control box and the apron board electromagnetic valve at the farthest position is shortened, so that the voltage drop and interference are reduced, and the problem of voltage drop caused by overlong lines can be avoided;
the execution loop is used for realizing automatic switching of redundant power supplies of the plurality of apron board electromagnetic valves, and when one apron board electromagnetic valve power supply has a problem, other apron board electromagnetic valves can be ensured to normally act through switching of the redundant power supplies;
the execution loop comprises a main power switch, a first power supply assembly, a redundant power supply assembly and a terminal deconcentrator, wherein the main power switch is connected with the terminal deconcentrator through the first power supply assembly, and the main power switch is connected with the terminal deconcentrator through the redundant power supply assembly.
In this embodiment, the first power supply module includes a power module, a first power switch, and two control modules, the total power switch, the power module, the first power switch, and the two control modules are electrically connected in sequence, and output ends of the two control modules are connected to the terminal splitter.
In this embodiment, the redundant power supply assembly includes a redundant power supply module, a second power supply switch and two redundant control modules, the total power supply switch, the redundant power supply module, the second power supply switch and the two redundant control modules are electrically connected in sequence, and output ends of the two redundant control modules are connected with the terminal deconcentrator.
When the problem of the power supply of one apron board electromagnetic valve occurs, the redundant power supply module can timely supplement power supply to the apron board electromagnetic valve and other apron board electromagnetic valves, so that the other apron board electromagnetic valves can work normally, and the synchronization of actions is guaranteed.
In this embodiment, the output end of the terminal deconcentrator is electrically connected with a plurality of apron board solenoid valves, and in design, when the power supply voltage of the apron board solenoid valves is impacted by a load, the voltage drops, and at the moment of the solenoid valve action, the power supply voltage drops to 19V, which is not beneficial to the normal action of the equipment, so that the capacity of the power supply voltage of the apron board solenoid valves is expanded to 20 Ah.
Referring to fig. 3, in this embodiment, the control circuit includes a PLC control chip and a contactor, the PLC control chip and the contactor are both disposed in the apron board electrical control box, the PLC control chip supplies power to the contactor at 220V through a command, an output end of the contactor is connected to an input end of a main power switch, and a plurality of apron board electromagnetic valves are required to support the action of the apron board. Because of the slightly different solenoid valve resistance and circuit resistance, cause the auxiliary relay contact degree of wear also to be different, and then lead to the auxiliary relay closing resistance different, reflect the action of skirtboard differently, consequently above supply power through a contactor is unified, prevented that the auxiliary relay from leading to the action error of skirtboard solenoid valve.
In this embodiment, voltage drop and interference exist in the skirt board electromagnetic valve voltage signal due to the long line, the maximum length from the skirt board electric control box to the skirt board electromagnetic valve is estimated to be about 180m on site, the control cable is not strictly separated from the frequency conversion roller way cable during construction, and the power supply voltage of the electromagnetic valve farthest away from the skirt board control box is less than 20VDC (normally 24 VDC) due to the excessively long line. In order to thoroughly avoid the problem of voltage drop caused by overlong lines, the contactor is connected to the middle of a plurality of skirting board electromagnetic valve power supply lines, the skirting board electromagnetic valves are powered by one power supply line, the distance between the skirting board electric control box and the skirting board electromagnetic valve at the farthest position can be shortened to the maximum extent, the distance between the skirting board electric control box and the electromagnetic valve at the farthest position from the skirting board is reduced to 60m from 180m, and the problem of voltage drop caused by overlong lines can be completely avoided.
As shown in fig. 4, in this embodiment, the PLC control chip controls the start and stop of the plurality of apron board solenoid valves through a preset program.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes or modifications may be made by the patentees within the scope of the appended claims, and within the scope of the invention, as long as they do not exceed the scope of the invention described in the claims.
Claims (7)
1. The utility model provides a bar skirtboard redundant control ware, includes skirtboard electric cabinet and a plurality of skirtboard solenoid valve that are used for controlling the skirtboard action, its characterized in that: the device also comprises a control loop and an execution loop;
the control loop is used for supplying power to the apron board electric control box in a decentralized arrangement and local control mode;
the execution loop is used for realizing automatic switching of redundant power supplies of the plurality of apron board electromagnetic valves;
the execution loop comprises a main power switch, a first power supply assembly, a redundant power supply assembly and a terminal deconcentrator, wherein the main power switch is connected with the terminal deconcentrator through the first power supply assembly, and the main power switch is connected with the terminal deconcentrator through the redundant power supply assembly.
2. The rod skirt redundant controller of claim 1, wherein: the first power supply assembly comprises a power supply module, a first power supply switch and two control modules, wherein the main power supply switch, the power supply module, the first power supply switch and the two control modules are electrically connected in sequence, and the output ends of the two control modules are connected with the terminal deconcentrator.
3. The rod skirt redundant controller of claim 2, wherein: the redundant power supply assembly comprises a redundant power supply module, a second power supply switch and two redundant control modules, wherein the main power supply switch, the redundant power supply module, the second power supply switch and the two redundant control modules are electrically connected in sequence, and the output ends of the two redundant control modules are connected with the terminal deconcentrator.
4. The rod skirt redundant controller of claim 3, wherein: and the output end of the terminal deconcentrator is electrically connected with a plurality of apron plate electromagnetic valves.
5. The rod skirt redundant controller of claim 1, wherein: the control circuit comprises a PLC control chip and a contactor, the PLC control chip and the contactor are both arranged in the apron board electric control box, the PLC control chip supplies power to the contactor at 220V through an instruction, and the output end of the contactor is connected with the input end of the main power switch.
6. The rod skirt redundant controller of claim 5, wherein: the contactor is connected to the middle of a plurality of skirtboard solenoid valve power supply lines, and a plurality of skirtboard solenoid valves are supplied power by a power supply line.
7. The rod skirt redundant controller of claim 6, wherein: the PLC control chip controls the starting and stopping of the plurality of apron board electromagnetic valves through a preset program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111089800.1A CN113926866B (en) | 2021-09-17 | 2021-09-17 | Redundant controller of bar skirtboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111089800.1A CN113926866B (en) | 2021-09-17 | 2021-09-17 | Redundant controller of bar skirtboard |
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| Publication Number | Publication Date |
|---|---|
| CN113926866A true CN113926866A (en) | 2022-01-14 |
| CN113926866B CN113926866B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111089800.1A Active CN113926866B (en) | 2021-09-17 | 2021-09-17 | Redundant controller of bar skirtboard |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000065234A (en) * | 1998-08-12 | 2000-03-03 | Toto Ltd | Solenoid valve driving circuit |
| JP2002237410A (en) * | 2001-02-08 | 2002-08-23 | Denso Corp | Solenoid valve driving circuit |
| CN201786547U (en) * | 2010-09-21 | 2011-04-06 | 中国水电顾问集团华东勘测设计研究院 | Protection system for hydro-power generating unit |
| CN202812398U (en) * | 2012-08-30 | 2013-03-20 | 中冶华天南京自动化工程有限公司 | Control circuit for hydraulic electromagnetic valves of lifting skirt plates of bar cold bed |
| CN103331312A (en) * | 2013-06-26 | 2013-10-02 | 张家港联峰钢铁研究所有限公司 | Apron control box circuit for producing bar |
| CN203227686U (en) * | 2013-05-15 | 2013-10-09 | 莱芜钢铁集团有限公司 | Cold bed skirtboard control system |
| CN105739421A (en) * | 2016-02-04 | 2016-07-06 | 北京宇航系统工程研究所 | Solenoid valve energy-saving control circuit based on PLC shut program control switching mode |
| CN209881411U (en) * | 2019-05-31 | 2019-12-31 | 陕西新元洁能有限公司 | Dual-power supply loop for steam turbine OPC electromagnetic valve |
| CN113035495A (en) * | 2021-04-14 | 2021-06-25 | 中信重工机械股份有限公司 | Electromagnetic valve driving system and hydraulic pile hammer for maritime workers |
-
2021
- 2021-09-17 CN CN202111089800.1A patent/CN113926866B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000065234A (en) * | 1998-08-12 | 2000-03-03 | Toto Ltd | Solenoid valve driving circuit |
| JP2002237410A (en) * | 2001-02-08 | 2002-08-23 | Denso Corp | Solenoid valve driving circuit |
| CN201786547U (en) * | 2010-09-21 | 2011-04-06 | 中国水电顾问集团华东勘测设计研究院 | Protection system for hydro-power generating unit |
| CN202812398U (en) * | 2012-08-30 | 2013-03-20 | 中冶华天南京自动化工程有限公司 | Control circuit for hydraulic electromagnetic valves of lifting skirt plates of bar cold bed |
| CN203227686U (en) * | 2013-05-15 | 2013-10-09 | 莱芜钢铁集团有限公司 | Cold bed skirtboard control system |
| CN103331312A (en) * | 2013-06-26 | 2013-10-02 | 张家港联峰钢铁研究所有限公司 | Apron control box circuit for producing bar |
| CN105739421A (en) * | 2016-02-04 | 2016-07-06 | 北京宇航系统工程研究所 | Solenoid valve energy-saving control circuit based on PLC shut program control switching mode |
| CN209881411U (en) * | 2019-05-31 | 2019-12-31 | 陕西新元洁能有限公司 | Dual-power supply loop for steam turbine OPC electromagnetic valve |
| CN113035495A (en) * | 2021-04-14 | 2021-06-25 | 中信重工机械股份有限公司 | Electromagnetic valve driving system and hydraulic pile hammer for maritime workers |
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| CN113926866B (en) | 2024-01-23 |
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