CN207659505U - Electroslag refining furnace electrode control system - Google Patents
Electroslag refining furnace electrode control system Download PDFInfo
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- CN207659505U CN207659505U CN201721244879.XU CN201721244879U CN207659505U CN 207659505 U CN207659505 U CN 207659505U CN 201721244879 U CN201721244879 U CN 201721244879U CN 207659505 U CN207659505 U CN 207659505U
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Abstract
The utility model provides a kind of electroslag refining furnace electrode control system.The electrode control system includes：Data acquisition unit, the first and second data processing unit, feedback unit and electrode drive unit, data acquisition unit acquire the electric signal of electroslag refining furnace and are converted into digital value in real time；First data processing unit receives digital value, and by it compared with set target value, control signal is obtained using the first process control algorithm；Feedback unit includes the displacement sensing apparatus of real-time acquisition electrode location information；Second data processing unit determines the molten fast value of the reality of electrode according to electrode position information, and it is adjusted set target value using the second process control algorithm compared with the molten speed value of setting target；Electrode drive unit is raised and lowered according to control signal driving electrodes.The utility model can improve the promptness and precision of the control of electroslag refining furnace consutrode, and simple in structure, installation operation convenience, intelligence degree are high.
Description
Technical field
The utility model is related to esr process control technology fields, it relates in particular to which a kind of electroslag refining furnace is electric
Polar control system.
Background technology
In general, in ESR Process, influencing maximum link to the electric energy of casting quality, consumption and production efficiency is
Control to electrode.Due to the progress with fusing, electrode constantly shortens and ingot casting gradually goes up, in order to ensure molten speed and electric current
Stablize and needs to adjust electrode height in real time in setting value.If electrode decrease speed is excessively slow, arc discharge is will produce, current fluctuation is very
Greatly, Electroslag Process is destroyed；If electrode decrease speed is too fast, the short circuit phenomenon of electrode and metal bath will result in.Thus, electricity
The control of pole position is an important control parameter and the essential controlling unit of all electroslag furnaces in reflow process.Separately
Outside, due to the change of electrical network parameter fluctuation and smelting condition, electric current is smelted, the stability of smelting voltage is also difficult to be guaranteed.
Electroslag remelting process can get the ingot blank of crystalline structure even compact, be widely used in specialty metal and steel alloy
Production.Currently, many enterprises use it is mostly be middle-size and small-size single-phase electroslag refining furnace, its advantage is that low cost, flexible and convenient operation,
The disadvantage is that control system falls behind, control accuracy and stability are poor, directly affect the quality and production efficiency of ESR ingot, constrain
Its economic benefit further increases.
Since the solid-liquid interface that electroslag furnace consutrode bottom is formed in fusion process can not be measured directly, cause
Consutrode position is difficult accurately to judge.Traditional consutrode position control has plenty of and is watched in stokehold by operating personnel
It is completed with practical manual operation, has plenty of using the automatic control system controlled based on conventional proportional integral differential (PID), has
Regulatory PID control is replaced using fuzzy control, but be all unable to reach rapid tracking, the purpose accurately controlled.
Utility model content
One of the purpose of this utility model is to solve the problems, such as above-mentioned existing in the prior art one or more.For example,
One of the purpose of this utility model is to provide a kind of promptness that can improve the control of electroslag refining furnace electrode and accuracy
System.
To achieve the goals above, the one side of the utility model provides a kind of electroslag refining furnace electrode control system.
The electrode control system includes：Data acquisition unit, the first data processing unit, the second data processing unit, feedback unit
And electrode drive unit, wherein data acquisition unit acquires the electric signal of electroslag refining furnace in real time, is translated into digital value；
First data processing unit receives the digital value, and the digital value is compared with set target value, utilizes the first process
Control algolithm obtains control signal；Feedback unit includes the displacement sensing apparatus for real-time acquisition electrode location information；Second
Data processing unit determines the molten fast value of the reality of electrode according to the electrode position information, and melts speed value and setting target by practical
Molten speed value is compared, and is then adjusted to the set target value using the second process control algorithm；Electrode drive unit
It is raised and lowered according to the control signal driving electrodes.
In an exemplary embodiment of the utility model, the electrode control system may also include feedback signal conversion
Unit, the feedback signal converting unit carries out analog-to-digital conversion to the electrode position information, and transformed signal is provided
To the second data processing unit.
In an exemplary embodiment of the utility model, the data acquisition unit may include signal isolation pick-up mould
The electric signal of electroslag refining furnace is converted to standard signal, the acquisition by block and acquisition module, the signal isolation transmitting module
The standard signal is converted to the digital value by module.
In an exemplary embodiment of the utility model, the electrode control system may also include signal isolation switching
Module and potentiometer, the potentiometer are configured to manual control signal of the setting for driving electrodes lifting, the letter
Potentiometer and the first data processing unit are connect by number isolation handover module with electrode drive unit respectively, and can be selected institute
It states control signal or the manual control signal is input to electrode drive unit.
In an exemplary embodiment of the utility model, the electrode control system may also include output signal conversion
Unit, the output signal converting unit carries out digital-to-analogue conversion to the control signal, and transformed signal is provided to electricity
Pole driving unit.
The another aspect of the utility model provides a kind of electroslag refining furnace electrode control system.The electrode control system
Including：Data acquisition unit, data processing unit and electrode drive unit, wherein data acquisition unit acquires electroslag weight in real time
The electric signal of smelting furnace, is translated into digital value；Data processing unit receives the digital value, by the digital value and setting mesh
Scale value is compared, and control signal is obtained using process control algorithm；Electrode drive unit drives electricity according to the control signal
Pole is raised and lowered.
In an exemplary embodiment of the utility model, the data acquisition unit may include signal isolation pick-up mould
The electric signal of electroslag refining furnace is converted to standard signal, the acquisition by block and acquisition module, the signal isolation transmitting module
The standard signal is converted to the digital value by module.
In an exemplary embodiment of the utility model, the electrode control system may also include signal isolation switching
Module and potentiometer, the potentiometer are configured to manual control signal of the setting for driving electrodes lifting, the letter
Potentiometer and data processing unit are connect by number isolation handover module with electrode drive unit respectively, and can be selected the control
Signal processed or the manual control signal are input to electrode drive unit.
In an exemplary embodiment of the utility model, the electrode control system may also include output signal conversion
Unit, the output signal converting unit carries out digital-to-analogue conversion to the control signal, and transformed signal is provided to electricity
Pole driving unit.
Compared with prior art, the beneficial effects of the utility model include：Simple in structure, installation operation convenience, intelligence
Degree is high, can improve the promptness and precision of the control of electroslag refining furnace consutrode.
Description of the drawings
Fig. 1 shows the knot of the electroslag refining furnace electrode control system of an exemplary embodiment according to the present utility model
Structure schematic diagram.
Fig. 2 shows the electroslag refining furnace electrode control systems of another exemplary embodiment according to the present utility model
Structural schematic diagram.
Specific implementation mode
Hereinafter, the electroslag refining furnace electrode of the utility model will be described in detail in conjunction with attached drawing and exemplary embodiment
Control system.First, second occurred in following term is waited unless expressly stated, and otherwise it does not indicate that stringent sequence, usually
It is only used for being mutually distinguishable different components or unit.For example, the first data processing unit, the second data processing unit, the first mistake
First, second in process control algorithm and the second process control algorithm is not offered as sequence, is only used for distinguishing this two groups of arts
Language.
Fig. 1 shows the knot of the electroslag refining furnace electrode control system of an exemplary embodiment according to the present utility model
Structure schematic diagram.As shown in Figure 1, in an exemplary embodiment of the utility model, electroslag refining furnace electrode control system can
Including：Data acquisition unit, data processing unit and electrode drive unit.
Wherein, data acquisition unit can acquire the electric signal of electroslag refining furnace in real time, and be translated into digital value.Example
Such as, electric signal can be secondary current signal and secondary voltage signal.Secondary current signal can pass through secondary current mutual inductor
It obtains.Secondary voltage signal can be obtained by transformer.
In addition, data acquisition unit may include signal isolation transmitting module and acquisition module.Signal isolation transmitting module can
The electric signal of electroslag refining furnace is converted to standard signal.For example, the electric signals such as electric current, voltage can also use signal to distribute
Device (for example, dual output signal distributor is isolated in Hangzhou U.S. control MK-502H entirely), the control system of former electroslag furnace is transformed
Standard signal becomes the signal that two-way is mutually isolated；Respectively for the electrode control system of the utility model and electroslag refining furnace
Former control system uses.It is equivalent to the former control that the electrode control system of the utility model is directly parallel in electroslag refining furnace in this way
In system processed, existing electroslag refining furnace is improved to be advantageously implemented.However, the utility model is without being limited thereto,
Can only by the electrode control system of the utility model receive electroslag refining furnace electric signal (for example, it is secondary electricity current signal and
Secondary voltage signal), and the electrode of electroslag refining furnace is controlled.For example, data acquisition unit is directly respectively from secondary electricity
Current transformer and transformer receive secondary current signal and secondary voltage signal.Standard signal can be converted to institute by acquisition module
Digital value is stated, for example, carrying out A/D conversions.For example, acquisition module can be USB acquisition modules, for example, can be to grind magnificent USB-
4702 or USB-4704 or USB-4711 etc..
Data processing unit can receive the digital value that data acquisition unit converts, by the digital value and setting mesh
Scale value is compared, and control signal is obtained using process control algorithm (for example, PID algorithm, abbreviation pid algorithm).
Here, set target value can be determined by remelting processing curve, can also be determined by experience or historical record by operator.Example
Such as, in the case where current actual value is less than set target value, then after being handled by the first data processing unit, output control letter
Number electrode is inserted into molten bath to electrode driver；If current actual value is more than set target value, pass through the first data
After processing unit processes, outputs control signals to electrode driver and lift electrode.For example, data processing unit can be touch screen work
Control all-in-one machine.In addition, data processing unit may also include the storage unit that can be stored with log history data.Historical data can
Whithin a period of time or All Time section with the desired value of digital value, setting including input and/or the control signal of output etc.
Data.It is connect with data processing unit in addition, the electroslag refining furnace electrode control system of the present exemplary embodiment may also include
And the print module for exporting printing.
Electrode drive unit can be raised and lowered according to the control signal driving electrodes.Electrode driver may be used
The type of drive such as motor, hydraulic pressure.
In addition, the electroslag refining furnace electrode control system of the present exemplary embodiment can also further wrap on above structure
It includes：Signal isolation handover module and potentiometer.Wherein, potentiometer can be configured as to be arranged and lift for driving electrodes
Manual control signal；Signal isolation handover module can respectively connect potentiometer and data processing unit with electrode drive unit
It connects, and can select control one of signal and manual control signal signal being input to electrode drive unit.
In addition, the electroslag refining furnace electrode control system of the present exemplary embodiment can also further wrap on above structure
Include output signal converting unit.Here, output signal converting unit can carry out the control signal digital-to-analogue conversion, and will turn
Signal after changing is provided to electrode drive unit.In addition, output signal converting unit can be with the acquisition mould of data acquisition unit
Block is integrally-formed.For example, the function of output signal converting unit can be by being used as the USB acquisition modules of acquisition module come real
It is existing.
In addition, in another exemplary embodiment of the utility model, electroslag refining furnace electrode control system it is each
One or more of unit or component can carry out integrated or integrally-formed.
Fig. 2 shows the electroslag refining furnace electrode control systems of another exemplary embodiment according to the present utility model
Structural schematic diagram.As shown in Fig. 2, in an exemplary embodiment of the utility model, electroslag refining furnace electrode control system
It may include：Data acquisition unit, the first data processing unit, the second data processing unit, feedback unit and electrode drive unit.
Wherein, data acquisition unit can acquire the electric signal of electroslag refining furnace (for example, secondary current signal and two in real time
Secondary voltage signal etc.), and it is translated into digital value.For example, electric signal can be secondary current signal and secondary voltage signal.
Secondary current signal can be obtained by secondary current mutual inductor.Secondary voltage signal can be obtained by transformer.
In addition, data acquisition unit may include signal isolation transmitting module and acquisition module.Signal isolation transmitting module can
The electric signal of electroslag refining furnace is converted to standard signal.For example, the electric signals such as electric current, voltage can also use signal to distribute
Device (for example, dual output signal distributor is isolated in MK-502H entirely), by the transformed standard signal of the control system of former electroslag furnace
Become the signal that two-way is mutually isolated；Respectively for the former control system of the electrode control system of the utility model and electroslag refining furnace
System uses.It is equivalent to the former control system that the electrode control system of the utility model is directly parallel in electroslag refining furnace in this way
On, existing electroslag refining furnace is improved to be advantageously implemented.However, the utility model is without being limited thereto, also can only lead to
The electrode control system for crossing the utility model receives the electric signal of electroslag refining furnace (for example, secondary electricity current signal and secondary electricity
Press signal), and the electrode of electroslag refining furnace is controlled.For example, data acquisition unit is directly respectively from secondary current mutual inductance
Device and transformer receive secondary current signal and secondary voltage signal.Standard signal can be converted to the number by acquisition module
Value, for example, carrying out A/D conversions.For example, acquisition module can be USB acquisition modules, for example, can be grind magnificent USB-4702, or
USB-4704 or USB-4711 etc..
First data processing unit can receive the digital value that data acquisition unit converts, by the digital value with set
Target value is compared, and control signal is obtained using the first process control algorithm (for example, pid algorithm).Here, target is set
Value can be determined by remelting processing curve, can also be determined by experience or historical record by operator.For example, in electric current reality
In the case that value is less than set target value, then after being handled by the first data processing unit, electrode drive is output control signals to
Electrode is inserted by device into molten bath；If current actual value is more than set target value, handled by the first data processing unit
Afterwards, it outputs control signals to electrode driver and lifts electrode.Here, the first data processing unit can be touch screen industry control one
Machine.It is connect with the first data processing unit in addition, the electroslag refining furnace electrode control system of the present exemplary embodiment may also include
And the print module for exporting printing.
Feedback unit may include the displacement sensing apparatus (for example, encoder) for real-time acquisition electrode location information.
In addition, electrode control system can also further comprise feedback signal converting unit.Feedback signal converting unit can be to feedback
The electrode position information that member acquires in real time carries out analog-to-digital conversion, and transformed signal is provided to the second data processing unit.
For example, feedback signal converting unit can be integrally-formed with the acquisition module of data acquisition unit.
Second data processing unit can determine the reality of electrode according to the electrode position information that feedback unit acquires in real time
Molten speed value, and practical molten fast value is compared with the molten speed value of setting target, then using the second process control algorithm (for example,
Pid algorithm) set target value in the first data processing unit is adjusted.Wherein, the molten speed value of setting target can be according to just
Normal speed of melting or empirical data are manually set.For example, into after normal smelting, electrode declines 10cm in 5 minutes, but is made with this
To set molten fast desired value.Then, the molten speed of reality obtained by electrode displacement melts speed deviation compared with the molten fast desired value of setting
Adjusted value is obtained through pid algorithm, the set target value in the first process control algorithm is adjusted.If for example, practical molten
It is fast big, then after the processing of the second process control algorithm, reduce set target value (for example, setting electric current value)；If practical molten speed
It is small, then after the processing of the second process control algorithm, set target value (for example, setting electric current value) is increased, to pass through second
The nested feedback cycle control of data processing unit, feedback unit and the first data processing unit being implemented in combination with to electrode position
System, and then improve the promptness and precision of the control of electroslag refining furnace consutrode.
In addition, the first process control algorithm and the second process control algorithm can be identical or different.In addition, at the first data
Managing unit can be integrally-formed with the second data processing unit.In addition, the first data processing unit and/or the second data processing
Unit may also include the memory module that can be stored with log history data.Historical data may include the first data processing unit
In the digital value of input, the reality in the desired value of setting and/or the control signal of output and the second data processing unit
One or more parameters in molten speed value and the molten speed value of setting target etc. are whithin a period of time or the data of All Time section.
Electrode drive unit can be raised and lowered according to the control signal driving electrodes.Electrode driver may be used
The type of drive such as motor, hydraulic pressure.
In addition, the electroslag refining furnace electrode control system of the present exemplary embodiment can also further wrap on above structure
It includes：Signal isolation handover module and potentiometer.Wherein, potentiometer can be configured as to be arranged and lift for driving electrodes
Manual control signal；Signal isolation handover module can be respectively by potentiometer and the first data processing unit and electrode drive unit
Connection, and can select control one of signal and manual control signal signal being input to electrode drive unit.
In addition, the electroslag refining furnace electrode control system of the present exemplary embodiment can also further wrap on above structure
Include output signal converting unit.Here, output signal converting unit can carry out the control signal digital-to-analogue conversion, and will turn
Signal after changing is provided to electrode drive unit.In addition, output signal converting unit can be with the acquisition mould of data acquisition unit
Block is integrally-formed.For example, the function of output signal converting unit can be by being used as the USB acquisition modules of acquisition module come real
It is existing.
In addition, in another exemplary embodiment of the utility model, electroslag refining furnace electrode control system it is each
One or more of unit or component can carry out integrated or integrally-formed.
In conclusion the advantages of electroslag refining furnace electrode control system of the utility model includes following aspect：
(1) simple in structure, installation operation is convenient, and input cost is low；
(2) rapid to electroslag furnace consutrode position tracking, control accuracy is high；
(3) intelligence degree is high and using effect is good, improves casting quality and production efficiency.
Although above by describing the utility model in conjunction with exemplary embodiment, those skilled in the art answer
This understands, can be to the exemplary implementation of the utility model in the case where not departing from spirit and scope defined by claim
Example carry out various modifications and changes.
Claims (7)
1. a kind of electroslag refining furnace electrode control system, which is characterized in that the electrode control system includes：Data acquisition is single
Member, the first data processing unit, the second data processing unit, feedback unit and electrode drive unit, wherein
Data acquisition unit is configured as acquiring the electric signal of electroslag refining furnace in real time, is translated into digital value, wherein described
Data acquisition unit includes signal isolation transmitting module and acquisition module, and the signal isolation transmitting module is configured as electroslag
The electric signal of remelting furnace is converted to standard signal, and the acquisition module is configured as the standard signal being converted to the number
Value；
First data processing unit is configured as receiving the digital value, and the digital value is compared with set target value,
Control signal is obtained using the first process control algorithm；
Feedback unit includes the displacement sensing apparatus for real-time acquisition electrode location information；
Second data processing unit is configured as determining the molten fast value of the reality of electrode according to the electrode position information, and will be practical
Molten speed value is compared with the molten fast value of setting target, is then adjusted to the set target value using the second process control algorithm
It is whole；
Electrode drive unit is configured as being raised and lowered according to the control signal driving electrodes.
2. electroslag refining furnace electrode control system according to claim 1, which is characterized in that the electrode control system is also
Including feedback signal converting unit, the feedback signal converting unit is configured as carrying out modulus turn to the electrode position information
It changes, and transformed signal is provided to the second data processing unit.
3. electroslag refining furnace electrode control system according to claim 1, which is characterized in that the electrode control system packet
Signal isolation handover module and potentiometer are included, the potentiometer is configured to manual control of the setting for driving electrodes lifting
Signal processed, the signal isolation handover module are configured to potentiometer and the first data processing unit and electrode drive list
Member connection, and can select the control signal or the manual control signal being input to electrode drive unit.
4. electroslag refining furnace electrode control system according to claim 1, which is characterized in that the electrode control system is also
Including output signal converting unit, the output signal converting unit carries out digital-to-analogue conversion to the control signal, and will conversion
Signal afterwards is provided to electrode drive unit.
5. a kind of electroslag refining furnace electrode control system, which is characterized in that the electrode control system includes：Data acquisition is single
Member, data processing unit and electrode drive unit, wherein
Data acquisition unit is configured as acquiring the electric signal of electroslag refining furnace in real time, is translated into digital value, wherein described
Data acquisition unit includes signal isolation transmitting module and acquisition module, and the signal isolation transmitting module is by electroslag refining furnace
Electric signal is converted to standard signal, and the standard signal is converted to the digital value by the acquisition module；
Data processing unit is configured as receiving the digital value, and the digital value is compared with set target value, utilizes
Process control algorithm obtains control signal；
Electrode drive unit is configured as being raised and lowered according to the control signal driving electrodes.
6. electroslag refining furnace electrode control system according to claim 5, which is characterized in that the electrode control system packet
Signal isolation handover module and potentiometer are included, the potentiometer is configured to manual control of the setting for driving electrodes lifting
Signal processed, potentiometer and data processing unit are connect by the signal isolation handover module with electrode drive unit respectively, and energy
The control signal or the manual control signal are input to electrode drive unit by enough selections.
7. electroslag refining furnace electrode control system according to claim 5, which is characterized in that the electrode control system is also
Including output signal converting unit, the output signal converting unit carries out digital-to-analogue conversion to the control signal, and will conversion
Signal afterwards is provided to electrode drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721244879.XU CN207659505U (en) | 2017-09-26 | 2017-09-26 | Electroslag refining furnace electrode control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721244879.XU CN207659505U (en) | 2017-09-26 | 2017-09-26 | Electroslag refining furnace electrode control system |
Publications (1)
| Publication Number | Publication Date |
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| CN207659505U true CN207659505U (en) | 2018-07-27 |
Family
ID=62935973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721244879.XU Expired - Fee Related CN207659505U (en) | 2017-09-26 | 2017-09-26 | Electroslag refining furnace electrode control system |
Country Status (1)
| Country | Link |
|---|---|
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2017
- 2017-09-26 CN CN201721244879.XU patent/CN207659505U/en not_active Expired - Fee Related
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Granted publication date: 20180727 Termination date: 20210926 |