CN108319218A - Mill control system and control method - Google Patents
Mill control system and control method Download PDFInfo
- Publication number
- CN108319218A CN108319218A CN201810226994.7A CN201810226994A CN108319218A CN 108319218 A CN108319218 A CN 108319218A CN 201810226994 A CN201810226994 A CN 201810226994A CN 108319218 A CN108319218 A CN 108319218A
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- Prior art keywords
- control system
- control
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Multiple Motors (AREA)
Abstract
The invention discloses a kind of mill control system and control methods.Control system includes main control PLC, sub-control PLC, DC motor control system, alarm control system and dedusting control system；The sub-control PLC, DC motor control system are connect with active PLC respectively；The dedusting control system, alarm control system and sub-control PLC connections.Using the milling train start-stop control system of above-mentioned technical proposal, it can be by main control PLC to the independent control of sub-control PLC and DC motor control system, so that when sub-control PLC breaks down, the work of direct current speeder is unaffected, so that the stability of control system is improved during milling train control.
Description
Technical field
The present invention relates to the control systems and control mode for controlling milling train in a kind of steel production industry.
Background technology
Milling train is the equipment for realizing metal rolled process.Refer to the equipment for completing stocking production overall process, includes main
Equipment, ancillary equipment, handling equipment and auxiliary device etc..Modernization Rolling production equipment control is all based on communication network
The complex control system of formation, general control flow are：Main website PLC is communicated with slave station PLC, by the signals such as milling train start and stop into
Row transmission, then transmits control signal (most of milling trains are driven by direct current generator), direct current from slave station PLC to direct current speeder
Speed regulation device starts and controls drive motor of the rolling mill.Due to main website PLC, slave station PLC, speed regulation device composition be train,
It can directly force information to be transmitted when slave station PLC breaks down to interrupt, direct current speeder can not receive enabling signal, simultaneously
Cause milling train that can not open.
Invention content
In view of this, the present invention provides a kind of mill control system, it is parallel with one another between each sub-control system, mutually not
It influences.
In order to solve the above technical problems, the technical scheme is that：A kind of mill control system, including main control PLC, point
Control PLC, DC motor control system, alarm control system and dedusting control system；It is characterized in that：It is the sub-control PLC, straight
Stream electric machine control system is connect with active PLC respectively；The dedusting control system, alarm control system and sub-control PLC connections.
As an improvement described further includes the cooling control system being connect with sub-control PLC.
As an improvement the cooling control system includes and the sub-control PLC temperature sensors connecting and air-cooled dress
It sets；The temperature sensor is connect by A/D converter circuit with sub-control PLC；The sub-control PLC by DA conversion circuits connect after
Electric appliance, and connect with air cooling equipment by relay.
As a preferred embodiment, the dedusting control system includes being filled with the sub-control PLC dust sensors connecting and dedusting
It sets；The dust sensor is connect by A/D converter circuit with sub-control PLC；The sub-control PLC by DA conversion circuits connect after
Electric appliance, and connect with dust-extraction unit by relay.
As an improvement the dust-extraction unit includes the dust excluding hood being arranged in milling train entrance both sides, the dust excluding hood
One end is arranged on the bracket of rolling-mill housing inner wall, and the other end of the dust excluding hood is by the support rod branch that is arranged on roller-way stand
It holds, the dust excluding hood is connected by connection flexible pipe and cleaning shaft with cleaner, and the cleaner is connect with relay, institute
It states on the horn mouth that dust sensor is arranged below dust excluding hood.
The present invention also provides a kind of milling train control methods, include the following steps：
A. main control PLC sends out control signal to sub-control PLC and DC motor control system respectively；
B. sub-control PLC starts cooling control system and dedusting control system after obtaining control signal；
C. DC motor control system starts direct current generator.
As an improvement when dedusting control system or cooling control system break down, alarm system is to sub-control PLC
Send information；Information is fed back to main control PLC by sub-control PLC, and main control PLC sends out stop signal to DC motor control system.
As an improvement when DC motor control system breaks down, main control PLC sends out signal to sub-control PLC；Sub-control
PLC stops cooling control system and dedusting control system.
The invention has the beneficial effects that：Using the milling train start-stop control system of above-mentioned technical proposal, master control can be passed through
PLC is to the independent control of sub-control PLC and DC motor control system, so that when sub-control PLC breaks down, DC speed regulation fills
The work set is unaffected, so that the stability of control system is improved during milling train control.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Specific implementation mode
In order to make those skilled in the art more fully understand technical scheme of the present invention, With reference to embodiment
The present invention is described in further detail.
As shown in Figure 1, the present invention include main control PLC, sub-control PLC, DC motor control system, alarm control system and
Dedusting control system；The sub-control PLC, DC motor control system are connect with active PLC respectively；The dedusting control system,
Alarm control system is connect with sub-control PLC.It further include the cooling control system being connect with sub-control PLC.
Cooling control system includes and the sub-control PLC temperature sensors connecting and air cooling equipment；The temperature sensor
It is connect with sub-control PLC by A/D converter circuit；The sub-control PLC connects relay by DA conversion circuits, and passes through relay
It is connect with air cooling equipment.Air cooling equipment is wind turbine.
Dedusting control system includes and the sub-control PLC dust sensors connecting and dust-extraction unit；The dust sensor
It is connect with sub-control PLC by A/D converter circuit；The sub-control PLC connects relay by DA conversion circuits, and passes through relay
It is connect with dust-extraction unit.Dust-extraction unit includes the dust excluding hood being arranged in milling train entrance both sides, and dust excluding hood one end setting exists
On the bracket of rolling-mill housing inner wall, the other end of the dust excluding hood is supported by the support rod being arranged on roller-way stand, described to remove
Dust hood is connected by connection flexible pipe and cleaning shaft with cleaner, and the cleaner is connect with relay, and the dust passes
Sensor is arranged on the horn mouth below dust excluding hood.The cleaner is bag filter and vacuum pump connected to it.
The present invention also provides a kind of milling train control methods, include the following steps：
A. main control PLC sends out control signal to sub-control PLC and DC motor control system respectively；
B. sub-control PLC starts cooling control system and dedusting control system after obtaining control signal；
C. DC motor control system starts direct current generator.
When dedusting control system or cooling control system break down, alarm system sends information to sub-control PLC；Sub-control
Information is fed back to main control PLC by PLC, and main control PLC sends out stop signal to DC motor control system.
When DC motor control system breaks down, main control PLC sends out signal to sub-control PLC；Sub-control PLC stops cooling control
System processed and dedusting control system.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention, protection scope of the present invention should be subject to claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
Protection scope of the present invention is also should be regarded as into retouching.
Claims (8)
1. a kind of mill control system, including main control PLC, sub-control PLC, DC motor control system, alarm control system and
Dedusting control system；It is characterized in that：The sub-control PLC, DC motor control system are connect with active PLC respectively；It is described to remove
Dirt control system, alarm control system and sub-control PLC connections.
2. a kind of mill control system according to claim 1, it is characterised in that：Described further includes being connect with sub-control PLC
Cooling control system.
3. a kind of mill control system according to claim 2, it is characterised in that：The cooling control system includes and divides
Control the temperature sensor and air cooling equipment of PLC connections；The temperature sensor is connect by A/D converter circuit with sub-control PLC；
The sub-control PLC connects relay by DA conversion circuits, and is connect with air cooling equipment by relay.
4. a kind of mill control system according to claim 1, it is characterised in that：The dedusting control system includes and divides
Control the dust sensor and dust-extraction unit of PLC connections；The dust sensor is connect by A/D converter circuit with sub-control PLC；
The sub-control PLC connects relay by DA conversion circuits, and is connect with dust-extraction unit by relay.
5. a kind of mill control system according to claim 4, it is characterised in that：The dust-extraction unit includes that setting is being rolled
The dust excluding hood of machine entrance both sides, described dust excluding hood one end are arranged on the bracket of rolling-mill housing inner wall, the dust excluding hood it is another
One end is supported by the support rod being arranged on roller-way stand, and the dust excluding hood passes through connection flexible pipe and cleaning shaft and cleaner
It is connected, the cleaner is connect with relay, and the dust sensor is arranged on the horn mouth below dust excluding hood.
6. a kind of milling train control method, it is characterised in that include the following steps：
A. main control PLC sends out control signal to sub-control PLC and DC motor control system respectively；
B. sub-control PLC starts cooling control system and dedusting control system after obtaining control signal；
C. DC motor control system starts direct current generator.
7. a kind of milling train control method according to claim 6, it is characterised in that：When dedusting control system or cooling control
System jam processed, alarm system send information to sub-control PLC；Information is fed back to main control PLC by sub-control PLC, main control PLC to
DC motor control system sends out stop signal.
8. a kind of milling train control method according to claim 6, it is characterised in that：When event occurs for DC motor control system
Barrier, main control PLC send out signal to sub-control PLC；Sub-control PLC stops cooling control system and dedusting control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810226994.7A CN108319218A (en) | 2018-03-19 | 2018-03-19 | Mill control system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810226994.7A CN108319218A (en) | 2018-03-19 | 2018-03-19 | Mill control system and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108319218A true CN108319218A (en) | 2018-07-24 |
Family
ID=62898956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810226994.7A Pending CN108319218A (en) | 2018-03-19 | 2018-03-19 | Mill control system and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108319218A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205236597U (en) * | 2015-10-28 | 2016-05-18 | 重庆广际实业有限公司 | Rolling mill dust removal intelligence control system |
| CN106040751A (en) * | 2016-07-08 | 2016-10-26 | 江苏永钢集团有限公司 | On-off control system of rolling mill |
| CN106139890A (en) * | 2015-04-01 | 2016-11-23 | 大连中鼎化学有限公司 | Cold-rolled steel sheet heat treatment nitrogen hydrogen mixed tail gas reclaims the apparatus and method purifying |
| CN206997352U (en) * | 2017-07-05 | 2018-02-13 | 光丰(肇庆)钢业有限公司 | A kind of new roller mill auto-cool system |
| CN107752093A (en) * | 2016-08-17 | 2018-03-06 | 彭建明 | A kind of technique for producing feed |
-
2018
- 2018-03-19 CN CN201810226994.7A patent/CN108319218A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106139890A (en) * | 2015-04-01 | 2016-11-23 | 大连中鼎化学有限公司 | Cold-rolled steel sheet heat treatment nitrogen hydrogen mixed tail gas reclaims the apparatus and method purifying |
| CN205236597U (en) * | 2015-10-28 | 2016-05-18 | 重庆广际实业有限公司 | Rolling mill dust removal intelligence control system |
| CN106040751A (en) * | 2016-07-08 | 2016-10-26 | 江苏永钢集团有限公司 | On-off control system of rolling mill |
| CN107752093A (en) * | 2016-08-17 | 2018-03-06 | 彭建明 | A kind of technique for producing feed |
| CN206997352U (en) * | 2017-07-05 | 2018-02-13 | 光丰(肇庆)钢业有限公司 | A kind of new roller mill auto-cool system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180724 |