CN206670588U - A kind of sheet billet continuous casting thickness of solidified slab shell in secondary detecting system - Google Patents
A kind of sheet billet continuous casting thickness of solidified slab shell in secondary detecting system Download PDFInfo
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- CN206670588U CN206670588U CN201720491298.XU CN201720491298U CN206670588U CN 206670588 U CN206670588 U CN 206670588U CN 201720491298 U CN201720491298 U CN 201720491298U CN 206670588 U CN206670588 U CN 206670588U
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Abstract
A kind of sheet billet continuous casting thickness of solidified slab shell in secondary detecting system provided by the utility model, is related to Microwave Detecting Technology field.Sheet billet continuous casting thickness of solidified slab shell in secondary detecting system includes microwave thickness detection apparatus, chromacoder, control device and warning device.The thickness generation microwave signal of solidified shell in microwave thickness detection apparatus sensing crystallizer, chromacoder generate voltage signal according to microwave signal, and control device control warning device when the amplitude of voltage signal mismatches with default amplitude sends alarm signal.Pass through above-mentioned setting, according to the thickness of solidified shell in the crystallizer detected to judge whether bleed-out risk, can solve the problems, such as in existing bleed-out early warning technology because thermocouple exist pyroelecthc properties it is unstable and the drawbacks of easily by such environmental effects and caused by can not accurately be alarmed.
Description
Technical field
Microwave Detecting Technology field is the utility model is related to, in particular to a kind of sheet billet continuous casting thickness of solidified slab shell in secondary
Detecting system.
Background technology
With the continuous development of industry, steel is widely used in all trades and professions.But in the mistake of continuous casting of iron and steel processing
Bleed-out can typically be present in journey, because bleed-out problem can not only influence the efficiency of continuous casting of iron and steel processing, serious bleed-out
Problem is also easy to cause casualties, therefore is received more and more attention for the early warning technology of bleed-out problem.Existing
Bleed-out early warning technology, generally by the temperature information of solidified shell in thermocouple collection crystallizer, to judge whether leak
The danger of steel, so as to realize the effect of early warning.
Study and find through inventor, pyroelecthc properties to be present unstable and easy because of thermocouple in existing bleed-out early warning technology
The problem of by causing accurately to be alarmed the problem of such environmental effects.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of sheet billet continuous casting thickness of solidified slab shell in secondary detecting system, with
Solve in existing bleed-out early warning technology that pyroelecthc properties to be present unstable and the drawbacks of easily by such environmental effects because of thermocouple
And the problem of causing accurately to be alarmed.
To achieve the above object, the utility model embodiment adopts the following technical scheme that：
A kind of sheet billet continuous casting thickness of solidified slab shell in secondary detecting system, for detecting the thickness of solidified shell in crystallizer.It is described
Sheet billet continuous casting thickness of solidified slab shell in secondary detecting system includes microwave thickness detection apparatus, chromacoder, control device and report
Alarm device.
The output end of the microwave thickness detection apparatus is connected with the input of the chromacoder, and the signal turns
The output end of changing device is connected with the input of the control device, and the output end of the control device connects with the warning device
Connect.
The microwave thickness detection apparatus is used for the thickness generation microwave signal for sensing solidified shell in the crystallizer, institute
State chromacoder to be used to generate voltage signal according to the microwave signal, the control device is used in the voltage signal
Amplitude and default amplitude control the warning device to send alarm signal when mismatching.
In the utility model embodiment preferably selects, in above-mentioned sheet billet continuous casting thickness of solidified slab shell in secondary detecting system,
The microwave thickness detection apparatus includes microwave emitter, waveguide double t junction, the first resonator, the second resonator, the waveguide
Double t junction includes at least four ports, each port respectively with the microwave emitter, the first resonator, the second resonator and
Chromacoder connects, and first resonator includes first wave guide and terminal part, and second resonator includes second
Waveguide and short-circuit plunger.
The microwave emitter is used to generate the first microwave signal and sent to the waveguide double t junction, the double T of the waveguide
Joint is used to generate constant amplitude, the second anti-phase microwave signal and the 3rd microwave signal according to first microwave signal and sent out respectively
First resonator and the second resonator are delivered to, first resonator is used for will by the first wave guide and terminal part
First microwave signal is sent to solidified shell in the crystallizer and by the terminal part and first wave guide by described in
The first microwave signal that solidified shell reflects in crystallizer is sent to the waveguide double t junction, and second resonator is used to lead to
The second waveguide is crossed to send second microwave signal to short-circuit plunger and the short circuit is lived by the second waveguide
Second microwave signal of plug reflection, which is sent to the waveguide double t junction, the waveguide double t junction, is additionally operable to will receive first
Microwave signal and the second microwave signal are handled to obtain the 3rd microwave signal and sent to the chromacoder.
In the utility model embodiment preferably selects, in above-mentioned sheet billet continuous casting thickness of solidified slab shell in secondary detecting system,
First resonator also includes the first circulator, and the first wave guide is led including the first wavelet and led with the second wavelet, the end
End-apparatus part includes first terminal device and second terminal device, and first circulator includes at least three port, each port difference
It is connected with the waveguide double t junction, is led and be connected with the first terminal device and by described by first wavelet
Two wavelets are led to be connected with the second terminal device, in the crystallizer solidified shell be located at the first terminal device with it is described
Between second terminal device.
Second resonator also includes the second circulator, and the second waveguide is led and the 4th wavelet including the 3rd wavelet
To lead, the short-circuit plunger includes the first short-circuit plunger and the second short-circuit plunger, and second circulator includes at least three port,
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 utility model embodiment preferably selects, in above-mentioned sheet billet continuous casting thickness of solidified slab shell in secondary detecting system,
First circulator is identical with the port number of second circulator.
In the utility model embodiment preferably selects, in above-mentioned sheet billet continuous casting thickness of solidified slab shell in secondary detecting system,
The electrical length of the first wave guide and the electrical length of the second waveguide are equal.
In the utility model embodiment preferably selects, in above-mentioned sheet billet continuous casting thickness of solidified slab shell in secondary detecting system,
The first wave guide and the second waveguide include rectangular waveguide or ridge waveguide.
In the utility model embodiment preferably selects, in above-mentioned sheet billet continuous casting thickness of solidified slab shell in secondary detecting system,
The microwave emitter includes microwave source, isolator and attenuator, the microwave source by the isolator and attenuator with
The waveguide double t junction connection.
In the utility model embodiment preferably selects, in above-mentioned sheet billet continuous casting thickness of solidified slab shell in secondary detecting system,
The chromacoder is wave detector, and the wave detector includes diode, the first filter capacitor, the second filter capacitor and filter
Ripple resistance.
The first end of first filter capacitor first end with second filter capacitor and the filter resistance respectively
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 connected with the second end of the filter resistance.
In the utility model embodiment preferably selects, in above-mentioned sheet billet continuous casting thickness of solidified slab shell in secondary detecting system,
The control device includes data acquisition unit and single-chip microcomputer, the input of the data acquisition unit and the chromacoder
Output end connection, output end are connected with the input of the single-chip microcomputer, and the output end of the single-chip microcomputer connects with the warning device
Connect.
On the basis of the above, the utility model embodiment additionally provides a kind of sheet billet continuous casting thickness of solidified slab shell in secondary detection system
System, for detecting the thickness of solidified shell in crystallizer.It is thick that the sheet billet continuous casting thickness of solidified slab shell in secondary detecting system includes microwave
Spend detection means, chromacoder, control device, warning device and sender unit.
The output end of the microwave thickness detection apparatus is connected with the input of the chromacoder, and the signal turns
The output end of changing device is connected with the input of the control device, and the output end of the control device fills with the alarm respectively
Put and connected with the sender unit.
The microwave thickness detection apparatus is used for the thickness generation microwave signal for sensing solidified shell in the crystallizer, institute
State chromacoder to be used to generate voltage signal according to the microwave signal, the control device is used in the voltage signal
Amplitude and default amplitude control when mismatching the warning device to send alarm signal and by the current voltage signal
Amplitude is sent to terminal device by the sender unit.
The utility model provides a kind of sheet billet continuous casting thickness of solidified slab shell in secondary detecting system, and crystallizer is detected by microwave signal
The thickness of interior solidified shell, according to the thickness of solidified shell in the crystallizer detected with judge whether bleed-out risk and
Alarm signal is sent by warning device when bleed-out risk be present, can be solved in existing bleed-out early warning technology because thermocouple is deposited
It is unstable and the drawbacks of easily by such environmental effects and the problem of cause accurately to be alarmed in pyroelecthc properties.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
Fig. 1 is the application block diagram for the sheet billet continuous casting thickness of solidified slab shell in secondary detecting system that the utility model embodiment provides.
Fig. 2 is the structured flowchart for the sheet billet continuous casting thickness of solidified slab shell in secondary detecting system that the utility model embodiment provides.
Fig. 3 is the structured flowchart for the microwave thickness detection apparatus that the utility model embodiment provides.
Fig. 4 is the another application frame for the sheet billet continuous casting thickness of solidified slab shell in secondary detecting system that the utility model embodiment provides
Figure.
Fig. 5 is the structured flowchart for the microwave emitter that the utility model embodiment provides.
Fig. 6 is the another application frame for the sheet billet continuous casting thickness of solidified slab shell in secondary detecting system that the utility model embodiment provides
Figure.
Icon：10- sheet billet continuous casting thickness of solidified slab shell in secondary detecting systems；Solidified shell in 20- crystallizers；30- terminal devices；
100- microwave thickness detection apparatus；110- microwave emitters；111- microwave sources；113- isolators；115- attenuators；130- waveguides
Double t junction；The resonators of 150- first；The wavelets of 151a- first are led；The wavelets of 151b- second are led；153a- first terminal devices；
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
Lead；The short-circuit plungers of 173a- first；The short-circuit plungers of 173b- second；The circulators of 175- second；200- chromacoders；300- is controlled
Device processed；400- warning devices；500- sender units.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is part of the embodiment of the present utility model, rather than whole embodiments.Generally retouched here in accompanying drawing
The component of the utility model embodiment stated and shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
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, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.Of the present utility model
In description, 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 description of the present utility model, unless otherwise clearly defined and limited, term " setting ", " connected ", " company
Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；It can be machine
Tool connects or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is new in this practicality with concrete condition
Concrete meaning in type.
As shown in figure 1, the utility model embodiment provides a kind of sheet billet continuous casting thickness of solidified slab shell in secondary detecting system 10, use
In the thickness of solidified shell 20 in detection crystallizer.With reference to Fig. 2, in the present embodiment, the sheet billet continuous casting thickness of solidified slab shell in secondary
Detecting system 10 includes microwave thickness detection apparatus 100, chromacoder 200, control device 300 and warning device 400.
Further, in the present embodiment, the output end of the microwave thickness detection apparatus 100 and the signal converting means
200 input connection is put, the output end of the chromacoder 200 is connected with the input of the control device 300, institute
The output end for stating control device 300 is connected with the warning device 400.
Pass through above-mentioned design, it is possible to achieve：The microwave thickness detection apparatus 100 senses solidified shell in the crystallizer
20 thickness generation microwave signal, the chromacoder 200 generate voltage signal, the control according to the microwave signal
Device 300 controls the warning device 400 to send alarm signal when the amplitude of the voltage signal mismatches with default amplitude.
Alternatively, the concrete numerical value of the default amplitude is unrestricted, can be according to solidified shell 20 in the crystallizer
Conventional value be configured, can according to solidified shell 20 in the crystallizer carry out steel continuous casting process operation before
Thickness is configured.To ensure that the control device 300 can control the warning device 400 accurately to send alarm signal
Number, in the present embodiment, the concrete numerical value of the default amplitude is carrying out steel according to solidified shell 20 in the crystallizer
Thickness before continuous casting process operation is configured.
With reference to Fig. 3, in the present embodiment, the microwave thickness detection apparatus 100 includes microwave emitter 110, the double T of waveguide
Joint 130, the first resonator 150, the second resonator 170.The waveguide double t junction 130 includes at least four ports, each port
It is connected respectively with the microwave emitter 110, the first resonator 150, the second resonator 170 and chromacoder 200.Institute
Stating the first resonator 150 includes first wave guide and terminal part, and second resonator 170 includes second waveguide and short circuit is lived
Plug.
Pass through above-mentioned design, it is possible to achieve：The microwave emitter 110 generates the first microwave signal and sent to the ripple
Double t junction 130 is led, the waveguide double t junction 130 generates constant amplitude according to first microwave signal, the second anti-phase microwave is believed
Number and the 3rd microwave signal and be respectively sent to the resonator 170 of the first resonator 150 and second, first resonator
150 are sent first microwave signal to solidified shell 20 in the crystallizer simultaneously by the first wave guide and terminal part
The first microwave signal that solidified shell 20 in the crystallizer reflects is sent to institute by the terminal part and first wave guide
Waveguide double t junction 130 is stated, second resonator 170 is sent second microwave signal to short by the second waveguide
Road piston and the second microwave signal for being reflected the short-circuit plunger by the second waveguide are sent to the waveguide double t junction
130, the first microwave signal received and the second microwave signal are handled to obtain the 3rd micro- by the waveguide double t junction 130
Ripple signal is simultaneously sent 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 can lead 151a including the first wavelet and the second wavelet leads 151b, and the terminal part can include first terminal device
153a and second terminal device 153b.In the crystallizer solidified shell 20 be arranged at the first terminal device 153a with it is described
Between second terminal device 153b.
Alternatively, the port number of first circulator 155 is unrestricted, as long as meeting first circulator 155
Including at least three port.In the present embodiment, first circulator 155 includes 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, and described
Two waveguides can lead 171a including the 3rd wavelet 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 three port.In the present embodiment, second circulator 175 includes at least three port, 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 of first resonator 150 and second resonator 170 and electrically
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 meeting that both belong to
Same type is so that the first wave guide is identical with the electrical characteristic of the second waveguide, such as both can be rectangle simultaneously
Waveguide, can also be ridge waveguide simultaneously.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
Press signal.In the present embodiment, the chromacoder 200 is wave detector.
With reference to Fig. 5, in the present embodiment, the microwave emitter 110 can include microwave source 111, isolator 113 and
Attenuator 115, the microwave source 111 are connected by the isolator 113 and attenuator 115 with the waveguide double t junction 130.
The microwave source 111 generates the first microwave signal, pass sequentially through the isolator 113 and attenuator 115 send to
The waveguide double t junction 130.The isolator 113 has the property of one-way conduction, for preventing from first resonator
150 and the microwave signal that is reflected back of second resonator 170 enter the microwave source 111, it is micro- to described first so as to cause
The interference of ripple signal.The attenuator 115 is used to carry out certain attenuation processing to first microwave signal, so that described the
One microwave signal is maintained at a stable frequency and externally exported.
Alternatively, the particular type of the attenuator 115 is unrestricted, both can be variable attenuator or solid
Determine attenuator.In the present embodiment, to improve the adaptability of the microwave emitter 110, the attenuator 115 declines to be variable
Subtract device, the effective attenuation of the attenuator 115 can be adjusted according to the actual requirements.
Further, in the present embodiment, the wave detector includes diode, the first filter capacitor, the second filter capacitor
And filter resistance.The first end with second filter capacitor and the filtering respectively of the first end of first filter capacitor
The first end connection of resistance, the second end are connected with the positive pole of the diode, the negative pole of the diode and the described second filtering
Second end of electric capacity connects with the second end of the filter resistance.
The electricity that the diode can be exported by first filter capacitor, the second filter capacitor and filter resistance
Pressure signal is filtered processing, so that the voltage signal into the control device 300 is relatively stable, avoids the control device
The 300 control warning devices 400 malfunction.
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 are connected with the drive device and the warning device 400 respectively.
The data acquisition unit carries out sampling processing to the continuous voltage signal of reception, and will sampling obtain it is discrete
Voltage signal sends to the single-chip microcomputer, the single-chip microcomputer and the voltage signal of reception is converted into data signal and judged whether full
Sufficient preparatory condition, the warning device 400 is controlled to send alarm signal when being unsatisfactory for preparatory condition.
Alternatively, the particular type of the warning device 400 is unrestricted, both can be voice guard, can also light
Alarm, it can also be audible-visual annunciator.In the present embodiment, bleed-out inspection, the report are carried out for effectively prompting staff
Alarm device 400 is audible-visual annunciator.
With reference to Fig. 6, the utility model embodiment also provides a kind of sheet billet continuous casting thickness of solidified slab shell in secondary detecting system 10, is used for
Detect the thickness of solidified shell 20 in crystallizer.The sheet billet continuous casting thickness of solidified slab shell in secondary detecting system 10 is examined including microwave thickness
Survey device 100, chromacoder 200, control device 300, warning device 400 and sender unit 500.
Further, in the present embodiment, the output end of the microwave thickness detection apparatus 100 and the signal converting means
200 input connection is put, the output end of the chromacoder 200 is connected with the input of the control device 300, institute
The output end for stating control device 300 is connected with the warning device 400 and the sender unit 500 respectively.
Pass through above-mentioned design, it is possible to achieve：The microwave thickness detection apparatus 100 senses solidified shell in the crystallizer
20 thickness generation microwave signal, the chromacoder 200 generate voltage signal, the control according to the microwave signal
Device 300 controls the warning device 400 to send alarm signal when the amplitude of the voltage signal mismatches with default amplitude
And the amplitude of the current voltage signal is sent to terminal device 30 by the sender unit 500.By described
The cooperating of sender unit 500 and the terminal device 30, staff can carry out long-range monitoring, effectively keep away
Exempted from due to staff not alarm signal can receiving area and the problem of cause that bleed-out risk can not be checked in time.
In summary, a kind of sheet billet continuous casting thickness of solidified slab shell in secondary detecting system 10 provided by the utility model, passes through microwave
The thickness of solidified shell 20 in signal detection crystallizer, according to the thickness of solidified shell 20 in the crystallizer detected to judge to be
It is no bleed-out risk to be present and alarm signal is sent by warning device 400 when bleed-out risk be present, can solve existing leakage
In steel early warning technology because thermocouple exist pyroelecthc properties it is unstable and the drawbacks of easily by such environmental effects and caused by can not enter
The problem of row is accurately alarmed, thus with practicality greatly and higher reliability.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of sheet billet continuous casting thickness of solidified slab shell in secondary detecting system, for detecting the thickness of solidified shell in crystallizer, its feature
It is, the sheet billet continuous casting thickness of solidified slab shell in secondary detecting system includes microwave thickness detection apparatus, chromacoder, control dress
Put and warning device；
The output end of the microwave thickness detection apparatus 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, and the output end of the control device is connected with the warning device；
The microwave thickness detection apparatus is used for the thickness generation microwave signal for sensing solidified shell in the crystallizer, the letter
Number conversion equipment is used to generate voltage signal according to the microwave signal, and the control device is used for the width in the voltage signal
Value controls the warning device to send alarm signal when being mismatched with default amplitude.
2. sheet billet continuous casting thickness of solidified slab shell in secondary detecting system according to claim 1, it is characterised in that the microwave thickness
Detection means includes microwave emitter, waveguide double t junction, the first resonator, the second resonator, and the waveguide double t junction includes
At least four ports, each port respectively with the microwave emitter, the first resonator, the second resonator and chromacoder
Connection, first resonator include first wave guide and terminal part, and second resonator includes second waveguide and short circuit is lived
Plug；
The microwave emitter is used to generate the first microwave signal and sent to the waveguide double t junction, the waveguide double t junction
For generating constant amplitude, the second anti-phase microwave signal and the 3rd microwave signal according to first microwave signal and being respectively sent to
First resonator and the second resonator, first resonator are used for by the first wave guide and terminal part by described in
First microwave signal is sent to solidified shell in the crystallizer and by the terminal part and first wave guide by the crystallization
The first microwave signal that solidified shell reflects in device is sent to the waveguide double t junction, and second resonator is used to pass through institute
Second waveguide is stated to send second microwave signal to short-circuit plunger and by the second waveguide that the short-circuit plunger is anti-
The second microwave signal penetrated sends to the waveguide double t junction, the waveguide double t junction and is additionally operable to the first microwave that will be received
Signal and the second microwave signal are handled to obtain the 3rd microwave signal and sent to the chromacoder.
3. sheet billet continuous casting thickness of solidified slab shell in secondary detecting system according to claim 2, it is characterised in that first resonance
Device also includes the first circulator, and the first wave guide is led 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 three port, and each port is double with the waveguide respectively
The connection of T joints, led by first wavelet and to be connected with the first terminal device and be led by second wavelet and institute
The connection of second terminal device is stated, solidified shell is located at the first terminal device and the second terminal device in the crystallizer
Between；
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 three port, each port
It is connected respectively with the waveguide double t junction, is led by the 3rd wavelet institute is connected and passed through with first short-circuit plunger
State the 4th wavelet and lead and be connected with second short-circuit plunger.
4. sheet billet continuous casting thickness of solidified slab shell in secondary detecting system according to claim 3, it is characterised in that described first goes in ring
Device is identical with the port number of second circulator.
5. sheet billet continuous casting thickness of solidified slab shell in secondary detecting system according to claim 2, it is characterised in that the first wave guide
Electrical length and the second waveguide electrical length it is equal.
6. sheet billet continuous casting thickness of solidified slab shell in secondary detecting system according to claim 2, it is characterised in that the first wave guide
Include rectangular waveguide or ridge waveguide with the second waveguide.
7. sheet billet continuous casting thickness of solidified slab shell in secondary detecting system according to claim 2, it is characterised in that the Microwave emission
Device includes microwave source, isolator and attenuator, and the microwave source is connect by the isolator and attenuator with the double T of the waveguide
Head connection.
8. sheet billet continuous casting thickness of solidified slab shell in secondary detecting system according to claim 1, it is characterised in that 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 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
Two ends connect with the second end of the filter resistance.
9. sheet billet continuous casting thickness of solidified slab shell in secondary detecting system according to claim 1, it is characterised in that 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, and the output end of the single-chip microcomputer is connected with the warning device.
10. a kind of sheet billet continuous casting thickness of solidified slab shell in secondary detecting system, for detecting the thickness of solidified shell in crystallizer, its feature
It is, the sheet billet continuous casting thickness of solidified slab shell in secondary detecting system includes microwave thickness detection apparatus, chromacoder, control dress
Put, warning device and sender unit；
The output end of the microwave thickness detection apparatus 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 warning device and
The sender unit connection；
The microwave thickness detection apparatus is used for the thickness generation microwave signal for sensing solidified shell in the crystallizer, the letter
Number conversion equipment is used to generate voltage signal according to the microwave signal, and the control device is used for the width in the voltage signal
Value and default amplitude control the warning device to send alarm signal and by the amplitude of the current voltage signal when mismatching
Sent by the sender unit to terminal device.
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| CN201720491298.XU CN206670588U (en) | 2017-05-04 | 2017-05-04 | A kind of sheet billet continuous casting thickness of solidified slab shell in secondary detecting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063142A (en) * | 2017-05-04 | 2017-08-18 | 盐城工学院 | A kind of sheet billet continuous casting thickness of solidified slab shell in secondary detecting system |
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2017
- 2017-05-04 CN CN201720491298.XU patent/CN206670588U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063142A (en) * | 2017-05-04 | 2017-08-18 | 盐城工学院 | A kind of sheet billet continuous casting thickness of solidified slab shell in secondary detecting system |
| CN107063142B (en) * | 2017-05-04 | 2019-09-10 | 盐城工学院 | A kind of sheet billet continuous casting thickness of solidified slab shell in secondary detection system |
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