CN106914594A - A kind of sheet billet continuous casting breakout prediction system - Google Patents
A kind of sheet billet continuous casting breakout prediction system Download PDFInfo
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- CN106914594A CN106914594A CN201710307732.9A CN201710307732A CN106914594A CN 106914594 A CN106914594 A CN 106914594A CN 201710307732 A CN201710307732 A CN 201710307732A CN 106914594 A CN106914594 A CN 106914594A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
- B22D11/148—Safety arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
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- Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
Abstract
A kind of sheet billet continuous casting breakout prediction system that the present invention is provided, is related to Microwave Detecting Technology field.Sheet billet continuous casting breakout prediction system includes microwave detecting device, chromacoder, control device, drive device and warning device.Drive device in control device control ejection roller way is rotated so that green shell relative microwave detection means movement in crystallizer, the thickness multiple microwave signals of correspondence generation of green shell multiple position in microwave detecting device sensing crystallizer, chromacoder sends alarm signal according to multiple microwave signals multiple voltage signals of correspondence generation, control device control warning device when the amplitude change of each voltage signal is unsatisfactory for pre-conditioned.By above-mentioned setting, existing sheet billet continuous casting breakout prediction system can be solved the problems, such as because there is false alarm occasionally using thermoelectricity or fail to report alert.
Description
Technical field
The present invention relates to Microwave Detecting Technology field, in particular to a kind of sheet billet continuous casting breakout prediction system.
Background technology
With continuing to develop for industry, steel is widely used in all trades and professions.But, during steel is processed
Can typically there are problems that bleed-out, the efficiency that can not only influence steel to process due to bleed-out problem, serious bleed-out problem also holds
Casualties is easily caused, therefore the early warning technology of bleed-out problem is received more and more attention.In existing bleed-out early warning technology
In, generally by the temperature information of green shell in thermocouple collection crystallizer, to judge whether the danger of bleed-out, so that real
The effect of existing early warning.
Studied through inventor and found, existing sheet billet continuous casting breakout prediction system is due to thermocouple quality problems in itself
There is a problem of that pyroelecthc properties are unstable and cause after water inlet because of thermocouple assembling mode mistake or sealing effectiveness difference
Measurement temperature and the excessive problem of actual temperature deviation, the problems such as in turn resulting in false alarm or fail to report alert.
The content of the invention
In view of this, it is an object of the invention to provide a kind of sheet billet continuous casting breakout prediction system, to solve existing plate
Base continuous casting bleed-out early warning system has that pyroelecthc properties are unstable and because of heat due to thermocouple quality problems in itself
Galvanic couple assembling mode mistake or sealing effectiveness difference and cause measurement temperature and the excessive problem of actual temperature deviation after water inlet,
And then the problems such as solve false alarm or fail to report alert.
To achieve the above object, the embodiment of the present invention is adopted the following technical scheme that：
A kind of sheet billet continuous casting breakout prediction system, for being judged whether Lou according to the thickness change of green shell in crystallizer
Steel is dangerous.The sheet billet continuous casting breakout prediction system includes microwave detecting device, chromacoder, control device, driving dress
Put and warning device.
The output end of the microwave detecting device is connected with the input of the chromacoder, the signal converting means
The output end put is connected with the input of the control device, the output end of the control device respectively with the drive device and
The warning device connection, the drive device is arranged in ejection roller way and output shaft is connected with the drive roll in ejection roller way
To control the movement of green shell in crystallizer.
The control device controls the drive device to rotate so that the relatively described microwave detection of green shell in the crystallizer
Device is moved, and the microwave detecting device senses the multiple microwave letters of thickness correspondence generation of green shell multiple position in the crystallizer
Number, according to the multiple microwave signal multiple voltage signals of correspondence generation, the control device is each for the chromacoder
The amplitude change of the voltage signal controls the warning device to send alarm signal when being unsatisfactory for pre-conditioned.
In the embodiment of the present invention is preferably selected, in above-mentioned sheet billet continuous casting breakout prediction system, the microwave detection
Device includes microwave emitter, waveguide double t junction, the first resonator, the second resonator, and the waveguide double t junction is included at least
Four ports, each port connects with the microwave emitter, the first resonator, the second resonator and chromacoder respectively
Connect, first resonator includes first wave guide and terminal part, second resonator includes second waveguide and short-circuit plunger.
The microwave emitter generates the first microwave signal and sends to the waveguide double t junction, the waveguide double t junction
Constant amplitude, the second anti-phase microwave signal and the 3rd microwave signal are generated and described in being respectively sent to according to first microwave signal
First resonator and the second resonator, first resonator is by the first wave guide and terminal part by first microwave
Signal is sent to the crystallizer green shell and is reflected green shell in the crystallizer by the terminal part and first wave guide
The first microwave signal send to the waveguide double t junction, second resonator is by the second waveguide by described second
Microwave signal is sent the second microwave signal for being reflected the short-circuit plunger to short-circuit plunger and by the second waveguide and sent
To the waveguide double t junction, the first microwave signal and the second microwave signal that the waveguide double t junction will be received are processed
Obtain the 3rd microwave signal and send to the chromacoder.
In the embodiment of the present invention is preferably selected, in above-mentioned sheet billet continuous casting breakout prediction system, first resonance
Device also includes the first circulator, and the first wave guide leads including the first wavelet and led with the second wavelet, and the terminal part includes the
One terminal part and second terminal device, first circulator include at least 3 ports, and each port is double with the waveguide respectively
T joints are connected, are led by first wavelet and be connected with the first terminal device and led and institute by second wavelet
State second terminal device connection, in the crystallizer green shell be arranged at the first terminal device and the second terminal device it
Between.
Second resonator also includes the second circulator, and the second waveguide is led and the 4th wavelet including the 3rd wavelet
Lead, the short-circuit plunger includes the first short-circuit plunger and the second short-circuit plunger, second circulator includes at least 3 ports,
Each port is connected with the waveguide double t junction respectively, led by the 3rd wavelet be connected with first short-circuit plunger and
Led by the 4th wavelet and be connected with second short-circuit plunger.
In the embodiment of the present invention is preferably selected, in above-mentioned sheet billet continuous casting breakout prediction system, described first goes in ring
Device is identical with the port number of second circulator.
In the embodiment of the present invention is preferably selected, in above-mentioned grating preparation method, the electric length of the first wave guide
Degree is equal with the electrical length of the second waveguide.
In the embodiment of the present invention is preferably selected, in above-mentioned sheet billet continuous casting breakout prediction system, the first wave guide
Include rectangular waveguide or ridge waveguide with the second waveguide.
In the embodiment of the present invention is preferably selected, in above-mentioned sheet billet continuous casting breakout prediction system, the signal conversion
Device is wave detector, and the wave detector includes diode, the first filter capacitor, the second filter capacitor and filter resistance.
The first end of first filter capacitor respectively with the first end and the filter resistance of second filter capacitor
First end connection, the second end be connected with the positive pole of the diode, the negative pole of the diode and second filter capacitor
The second end and the filter resistance the second end connection.
In the embodiment of the present invention is preferably selected, in above-mentioned sheet billet continuous casting breakout prediction system, the control device
Including data acquisition unit and single-chip microcomputer, the input of the data acquisition unit is connected with the output end of the chromacoder,
Output end is connected with the input of the single-chip microcomputer, the output end of the single-chip microcomputer respectively with the drive device and the alarm
Device is connected.
In the embodiment of the present invention is preferably selected, in above-mentioned sheet billet continuous casting breakout prediction system, the drive device
Including drive circuit and stepper motor, the single-chip microcomputer is connected by the drive circuit with the stepper motor.
On the basis of the above, the embodiment of the present invention additionally provides a kind of sheet billet continuous casting breakout prediction system, for according to knot
The thickness change of green shell judges whether that bleed-out is dangerous in brilliant device.The sheet billet continuous casting breakout prediction system is detected including microwave
Device, chromacoder, control device, drive device, warning device and display device.
The output end of the microwave detecting device is connected with the input of the chromacoder, the signal converting means
The output end put is connected with the input of the control device, the output end of the control device respectively with the drive device,
The warning device and display device are connected, and the drive device is arranged in ejection roller way and in output shaft and ejection roller way
Drive roll connection controlling the movement of green shell in crystallizer.
The control device controls the drive device to rotate so that the relatively described microwave detection of green shell in the crystallizer
Device is moved, and the microwave detecting device senses the multiple microwave letters of thickness correspondence generation of green shell multiple position in the crystallizer
Number, according to the multiple microwave signal multiple voltage signals of correspondence generation, the control device is each for the chromacoder
The amplitude change of the voltage signal controls the warning device to send alarm signal when being unsatisfactory for pre-conditioned, and by described
Display device shows the amplitude of current voltage signal.
The present invention provides a kind of sheet billet continuous casting breakout prediction system, and green shell in crystallizer is detected by using microwave technology
Thickness change is dangerous to judge whether bleed-out, to solve existing sheet billet continuous casting breakout prediction system due to thermocouple in itself
Quality problems and there is a problem of pyroelecthc properties it is unstable and because thermocouple assembling mode mistake or sealing effectiveness difference and
Cause measurement temperature and the excessive problem of actual temperature deviation after water inlet, the problems such as so as to cause false alarm or fail to report alert, enter
And solve the problems, such as that existing steel processing has low production efficiency and easily causes casualties, with great practical valency
Value.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
Fig. 1 is the application block diagram of sheet billet continuous casting breakout prediction system provided in an embodiment of the present invention.
Fig. 2 is the structured flowchart of sheet billet continuous casting breakout prediction system provided in an embodiment of the present invention.
Fig. 3 is the structured flowchart of microwave detecting device provided in an embodiment of the present invention.
Fig. 4 is the Another Application block diagram of sheet billet continuous casting breakout prediction system provided in an embodiment of the present invention.
Fig. 5 is another structured flowchart of sheet billet continuous casting breakout prediction system provided in an embodiment of the present invention.
Icon：10- sheet billet continuous casting breakout prediction systems；Green shell in 20- crystallizers；100- microwave detecting devices；110- is micro-
Wave launcher；130- waveguide double t junctions；The resonators of 150- first；The wavelets of 151a- first are led；The wavelets of 151b- second are led；153a-
First terminal device；153b- second terminal devices；The circulators of 155- first；The resonators of 170- second；The wavelets of 171a- the 3rd are led；
The wavelets of 171b- the 4th are led；The short-circuit plungers of 173a- first；The short-circuit plungers of 173b- second；The circulators of 175- second；200- signals turn
Changing device；300- control devices；400- drive devices；500- warning devices；600- display devices.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment only
It is a part of embodiment of the invention, rather than whole embodiments.The present invention generally described and illustrated in accompanying drawing herein
The component of embodiment can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.In description of the invention
In, term " first ", " second ", " the 3rd ", " the 4th " etc. are only used for distinguishing description, and it is not intended that being or implying relative
Importance.
In the description of the invention, unless otherwise clearly defined and limited, term " setting ", " connected ", " connection " is answered
It is interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or is integrally connected；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion.For the ordinary skill in the art, above-mentioned term tool in the present invention can be understood with concrete condition
Body implication.
As shown in figure 1, a kind of sheet billet continuous casting breakout prediction system 10 is the embodiment of the invention provides, for according to crystallizer
The thickness change of interior green shell 20 judges whether that bleed-out is dangerous.
With reference to Fig. 2, in the present embodiment, the sheet billet continuous casting breakout prediction system 10 includes microwave detecting device 100, letter
Number conversion equipment 200, control device 300, drive device 400 and warning device 500.The microwave detecting device 100 it is defeated
Go out end to be connected with the input of the chromacoder 200, the output end of the chromacoder 200 and the control are filled
Put 300 input connection, the output end of the control device 300 respectively with the drive device 400 and the warning device
500 connections, the drive device 400 is arranged in ejection roller way and output shaft is connected with the drive roll in ejection roller way to control
The movement of green shell 20 in crystallizer.
By above-mentioned design, it is possible to achieve：The control device 300 controls the drive device 400 to rotate so that described
Green shell 20 is moved relative to the microwave detecting device 100 in crystallizer, and the microwave detecting device 100 is sensed in the crystallizer
The thickness multiple microwave signals of correspondence generation of more than 20 position of green shell, the chromacoder 200 is according to the multiple microwave
The multiple voltage signals of signal correspondence generation, the control device 300 is unsatisfactory for presetting in the amplitude change of each voltage signal
The warning device 500 is controlled to send alarm signal during condition.
Alternatively, the pre-conditioned particular content is unrestricted, can be according to the amplitude of the voltage signal and institute
The relation for stating the thickness of green shell 20 in crystallizer is configured.In the present embodiment, the bigger representative of the amplitude of the voltage signal
The thickness of green shell 20 is bigger in the crystallizer, and the pre-conditioned particular content both can be the width of each voltage signal
Value should be consistent, or exist the amplitude of the amplitude more than most voltage signals of a small number of voltage signals, that is, only have
When amplitude in the presence of a small number of voltage signals is less than the amplitude of most voltage signals, the control device 300 assert there is bleed-out danger
Danger simultaneously sends alarm signal by the warning device 500, so that staff is processed in time, it is to avoid cause casualties
With the problem for causing processing work to be stagnated.
With reference to Fig. 3, in the present embodiment, the microwave detecting device 100 includes microwave emitter 110, waveguide double t junction
130th, the first resonator 150, the second resonator 170.The waveguide double t junction 130 includes at least four ports, each port difference
It is connected with the microwave emitter 110, the first resonator 150, the second resonator 170 and chromacoder 200.Described
One resonator 150 includes first wave guide and terminal part, and second resonator 170 includes second waveguide and short-circuit plunger.
By above-mentioned design, it is possible to achieve：The microwave emitter 110 generates the first microwave signal and sends to the ripple
Double t junction 130 is led, the waveguide double t junction 130 generates constant amplitude, anti-phase the second microwave letter according to first microwave signal
Number and the 3rd microwave signal and be respectively sent to the resonator 170 of first resonator 150 and second, first resonator
First microwave signal is sent to the crystallizer green shell 20 and passed through by 150 by the first wave guide and terminal part
The terminal part and first wave guide send to the waveguide double T the first microwave signal that green shell 20 in the crystallizer reflects
Second microwave signal is sent to short-circuit plunger and led to by joint 130, second resonator 170 by the second waveguide
The second waveguide is crossed to send to the waveguide double t junction 130, the ripple the second microwave signal that the short-circuit plunger reflects
Lead the first microwave signal that double t junction 130 will receive and the second microwave signal process that to obtain the 3rd microwave signal concurrent
Deliver to the chromacoder 200.
With reference to Fig. 4, in the present embodiment, first resonator 150 also include can with the first circulator 155, described the
One waveguide including the first wavelet can lead 151a and the second wavelet leads 151b, and the terminal part can include first terminal device
153a and second terminal device 153b.Green shell 20 is arranged at the first terminal device 153a and described second in the crystallizer
Between terminal part 153b.
Alternatively, the port number of first circulator 155 is unrestricted, as long as meeting first circulator 155
Including at least 3 ports.In the present embodiment, first circulator 155 include 3 ports, each port respectively with institute
Waveguide double t junction 130 is stated to connect, 151a is led by first wavelet be connected and pass through with the first terminal device 153a
Second wavelet is led 151b and is connected with the second terminal device 153b.
Further, in the present embodiment, second resonator 170 can also include the second circulator 175, described the
Two waveguides including the 3rd wavelet can lead 171a and the 4th wavelet leads 171b, and the short-circuit plunger can include the first short-circuit plunger
173a and the second short-circuit plunger 173b.
Alternatively, the port number of second circulator 175 is unrestricted, as long as meeting second circulator 175
Including at least 3 ports.In the present embodiment, second circulator 175 includes at least 3 ports, each port difference
Be connected with the waveguide double t junction 130, led by the 3rd wavelet 171a be connected with the first short-circuit plunger 173a and
171b is led by the 4th wavelet to be connected with the second short-circuit plunger 173b.
Alternatively, the relation of the port number of first circulator 155 and second circulator 175 is unrestricted,
Both can be identical, or different.In the present embodiment, it is guarantee first resonator 150 and described second
The mechanical property of resonator 170 is identical with electrical characteristic, the port of first circulator 155 and second circulator 175
Quantity is identical.
Alternatively, the electrical characteristic of the first wave guide and the second waveguide both can be identical, or not
With.In the present embodiment, to ensure the mechanical property and electrically of first resonator 150 and second resonator 170
Characteristic is identical, and the electrical length of the electrical length of the first wave guide and the second waveguide is equal.
Alternatively, the particular type of the first wave guide and the second waveguide is unrestricted, as long as meet both belonging to
Same type so that the first wave guide is identical with the electrical characteristic of the second waveguide, for example, both can be simultaneously rectangle
Waveguide, it is also possible to while being ridge waveguide.In the present embodiment, the first wave guide and the second waveguide are rectangular waveguide.
Alternatively, the particular type of the chromacoder 200 is unrestricted, as long as microwave signal can be converted to electricity
Pressure signal.In the present embodiment, the chromacoder 200 is wave detector.
Further, in the present embodiment, the wave detector includes diode, the first filter capacitor, the second filter capacitor
And filter resistance.The first end of first filter capacitor first end respectively with second filter capacitor and the filtering
The first end connection of resistance, the second end are connected with the positive pole of the diode, and the negative pole of the diode and described second is filtered
The second end connection at second end and the filter resistance of electric capacity.
The electricity that the diode can be exported by first filter capacitor, the second filter capacitor and filter resistance
Pressure signal is filtered treatment, so that the voltage signal into the control device 300 is stablized relatively, it is to avoid the control device
The 300 control warning devices 500 produce misoperation.
Further, in the present embodiment, the control device 300 can include data acquisition unit and single-chip microcomputer.It is described
The input of data acquisition unit is connected with the output end of the chromacoder 200, the input of output end and the single-chip microcomputer
End connection, the output end of the single-chip microcomputer is connected with the drive device 400 and the warning device 500 respectively.
The data acquisition unit carries out sampling processing to the continuous voltage signal for receiving, and by sample obtain it is discrete
Voltage signal is sent to the single-chip microcomputer, and the voltage signal of reception is converted to data signal and judged whether full by the single-chip microcomputer
Foot is pre-conditioned, controls the warning device 500 to send alarm signal when being unsatisfactory for pre-conditioned.
Alternatively, the particular type of the warning device 500 is unrestricted, both can be voice guard, it is also possible to light
Alarm, can also be audible-visual annunciator.In the present embodiment, it is that effectively prompting staff carries out bleed-out inspection, the report
Alarm device 500 is audible-visual annunciator.
Further, in the present embodiment, the drive device 400 can include drive circuit and stepper motor, described
Single-chip microcomputer is connected by the drive circuit with the stepper motor, the output shaft of the stepper motor and base in the crystallizer
Shell 20 connects to control the movement of green shell 20 in the crystallizer.
With reference to Fig. 5, the embodiment of the present invention also provides a kind of sheet billet continuous casting breakout prediction system 10, for according in crystallizer
The thickness change of green shell 20 judges whether that bleed-out is dangerous.The sheet billet continuous casting breakout prediction system 10 includes that microwave detects dress
Put 100, chromacoder 200, control device 300, drive device 400, warning device 500 and display device 600.
Further, in the present embodiment, the output end of the microwave detecting device 100 and the chromacoder
200 input connection, the output end of the chromacoder 200 is connected with the input of the control device 300, described
The output end of control device 300 is connected with the drive device 400, the warning device 500 and display device 600 respectively,
The drive device 400 is arranged in ejection roller way and output shaft is connected with the drive roll in ejection roller way to control in crystallizer
The movement of green shell 20.
By above-mentioned design, it is possible to achieve：The control device 300 controls the drive device 400 to rotate so that described
Green shell 20 is moved relative to the microwave detecting device 100 in crystallizer, and the microwave detecting device 100 is sensed in the crystallizer
The thickness multiple microwave signals of correspondence generation of more than 20 position of green shell, the chromacoder 200 is according to the multiple microwave
The multiple voltage signals of signal correspondence generation, the control device 300 is unsatisfactory for presetting in the amplitude change of each voltage signal
Control the warning device 500 to send alarm signal during condition, and current voltage signal is shown by the display device 600
Amplitude is so that staff can intuitively grasp the amplitude situation of the voltage signal of current location, so as to judge the alarm dress
500 are put with the presence or absence of failing to report alert situation.
In sum, a kind of sheet billet continuous casting breakout prediction system 10 that the present invention is provided, is detected by using microwave technology
The thickness change of green shell 20 is dangerous to judge whether bleed-out in crystallizer, to solve existing bleed-out early warning technology due to heat
Galvanic couple quality problems in itself and there is a problem of that pyroelecthc properties are unstable and because of thermocouple assembling mode mistake or sealing
Effect difference and the problems such as cause in measurement temperature after water inlet and the excessive false alarm for causing of actual temperature deviation or fail to report alert, and then
Solve the problems, such as that existing steel processing has low production efficiency and easily causes casualties, with great practical valency
Value.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of sheet billet continuous casting breakout prediction system, for judging whether bleed-out according to the thickness change of green shell in crystallizer
It is dangerous, it is characterised in that the sheet billet continuous casting breakout prediction system includes microwave detecting device, chromacoder, control dress
Put, drive device and warning device；
The output end of the microwave detecting device is connected with the input of the chromacoder, the chromacoder
Output end is connected with the input of the control device, the output end of the control device respectively with the drive device and described
Warning device is connected, and the drive device is arranged in ejection roller way and output shaft is connected with the drive roll in ejection roller way to control
The movement of green shell in crystallizer processed；
The control device controls the drive device to rotate so that the relatively described microwave detecting device of green shell in the crystallizer
Mobile, the microwave detecting device senses the thickness multiple microwave signals of correspondence generation of green shell multiple position in the crystallizer,
, according to the multiple microwave signal multiple voltage signals of correspondence generation, the control device is each described for the chromacoder
The amplitude change of voltage signal controls the warning device to send alarm signal when being unsatisfactory for pre-conditioned.
2. sheet billet continuous casting breakout prediction system according to claim 1, it is characterised in that the microwave detecting device includes
Microwave emitter, waveguide double t junction, the first resonator, the second resonator, the waveguide double t junction include at least four ports,
Each port is connected with the microwave emitter, the first resonator, the second resonator and chromacoder respectively, and described first
Resonator includes first wave guide and terminal part, and second resonator includes second waveguide and short-circuit plunger；
The microwave emitter generates the first microwave signal and transmission is to the waveguide double t junction, the waveguide double t junction according to
First microwave signal generation constant amplitude, the second anti-phase microwave signal and the 3rd microwave signal are simultaneously respectively sent to described first
Resonator and the second resonator, first resonator is by the first wave guide and terminal part by first microwave signal
Send the of green shell reflection in the crystallizer to green shell in the crystallizer and by the terminal part and first wave guide
One microwave signal is sent to the waveguide double t junction, and second resonator is by the second waveguide by second microwave
Signal is sent to short-circuit plunger and is sent to institute the second microwave signal that the short-circuit plunger reflects by the second waveguide
Waveguide double t junction is stated, the first microwave signal and the second microwave signal that the waveguide double t junction will be received are processed
3rd microwave signal is simultaneously sent to the chromacoder.
3. sheet billet continuous casting breakout prediction system according to claim 2, it is characterised in that first resonator also includes
First circulator, the first wave guide is led including the first wavelet and is led with the second wavelet, and the terminal part includes first terminal device
Part and second terminal device, first circulator include at least 3 ports, and each port connects with the waveguide double t junction respectively
Connect, led by first wavelet and be connected with the first terminal device and led with described second eventually by second wavelet
End-apparatus part is connected, and green shell is located between the first terminal device and the second terminal device in the crystallizer；
Second resonator also includes the second circulator, and the second waveguide is led including the 3rd wavelet and led with the 4th wavelet, institute
Stating short-circuit plunger includes the first short-circuit plunger and the second short-circuit plunger, and second circulator includes at least 3 ports, each port
It is connected with the waveguide double t junction respectively, is led by the 3rd wavelet and be connected and by institute with first short-circuit plunger
State the 4th wavelet and lead and be connected with second short-circuit plunger.
4. sheet billet continuous casting breakout prediction system according to claim 3, it is characterised in that first circulator and described
The port number of the second circulator is identical.
5. sheet billet continuous casting breakout prediction system according to claim 2, it is characterised in that the electric length of the first wave guide
Degree is equal with the electrical length of the second waveguide.
6. sheet billet continuous casting breakout prediction system according to claim 2, it is characterised in that the first wave guide and described
Two waveguides include rectangular waveguide or ridge waveguide.
7. sheet billet continuous casting breakout prediction system according to claim 1, it is characterised in that the chromacoder is inspection
Ripple device, the wave detector includes diode, the first filter capacitor, the second filter capacitor and filter resistance；
The first end of first filter capacitor is respectively with the of the first end of second filter capacitor and the filter resistance
One end connection, the second end are connected with the positive pole of the diode, and the of the negative pole of the diode and second filter capacitor
The second end connection of two ends and the filter resistance.
8. sheet billet continuous casting breakout prediction system according to claim 1, it is characterised in that the control device includes data
Collector and single-chip microcomputer, the input of the data acquisition unit is connected with the output end of the chromacoder, output end with
The input connection of the single-chip microcomputer, the output end of the single-chip microcomputer connects with the drive device and the warning device respectively
Connect.
9. sheet billet continuous casting breakout prediction system according to claim 8, it is characterised in that the drive device includes driving
Circuit and stepper motor, the single-chip microcomputer are connected by the drive circuit with the stepper motor.
10. a kind of sheet billet continuous casting breakout prediction system, for being judged whether Lou according to the thickness change of green shell in crystallizer
Steel is dangerous, it is characterised in that the sheet billet continuous casting breakout prediction system includes microwave detecting device, chromacoder, control
Device, drive device, warning device and display device；
The output end of the microwave detecting device is connected with the input of the chromacoder, the chromacoder
Output end is connected with the input of the control device, the output end of the control device respectively with the drive device, described
Warning device and display device are connected, and the drive device is arranged in ejection roller way and the master in output shaft and ejection roller way
Dynamic roller connects to control the movement of green shell in crystallizer；
The control device controls the drive device to rotate so that the relatively described microwave detecting device of green shell in the crystallizer
Mobile, the microwave detecting device senses the thickness multiple microwave signals of correspondence generation of green shell multiple position in the crystallizer,
, according to the multiple microwave signal multiple voltage signals of correspondence generation, the control device is each described for the chromacoder
The amplitude change of voltage signal controls the warning device to send alarm signal when being unsatisfactory for pre-conditioned, and by the display
Device shows the amplitude of current voltage signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710307732.9A CN106914594B (en) | 2017-05-04 | 2017-05-04 | A kind of sheet billet continuous casting breakout prediction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710307732.9A CN106914594B (en) | 2017-05-04 | 2017-05-04 | A kind of sheet billet continuous casting breakout prediction system |
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| CN109029830A (en) * | 2018-09-25 | 2018-12-18 | 首钢集团有限公司 | Steel leakage detection system and method |
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| CN106914594B (en) | 2018-10-19 |
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