WO2011104335A1 - Procédé et dispositif pour déterminer la vitesse d'un matériau en laminage - Google Patents

Procédé et dispositif pour déterminer la vitesse d'un matériau en laminage Download PDF

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Publication number
WO2011104335A1
WO2011104335A1 PCT/EP2011/052808 EP2011052808W WO2011104335A1 WO 2011104335 A1 WO2011104335 A1 WO 2011104335A1 EP 2011052808 W EP2011052808 W EP 2011052808W WO 2011104335 A1 WO2011104335 A1 WO 2011104335A1
Authority
WO
WIPO (PCT)
Prior art keywords
speed
rolling stock
wave
transmitter
rolling
Prior art date
Application number
PCT/EP2011/052808
Other languages
German (de)
English (en)
Inventor
Arthur Allerdings
Original Assignee
Sms Siemag Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sms Siemag Ag filed Critical Sms Siemag Ag
Publication of WO2011104335A1 publication Critical patent/WO2011104335A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50—Systems of measurement based on relative movement of target
    • G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/581—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse modulated waves and based upon the Doppler effect resulting from movement of targets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2275/00—Mill drive parameters
    • B21B2275/02—Speed
    • B21B2275/06—Product speed
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar

Definitions

  • the invention relates to a method for determining the speed of a rolling stock or another moving object in a rolling mill, wherein the rolling stock or object to be determined in its speed is irradiated by a transmitter with an electromagnetic wave, the wave reflected by the rolling stock or object of a Receive receiver and from the comparison between transmitted and received wave the speed is determined. Furthermore, the invention relates to a device for determining the speed of a rolling stock or another moving object in a rolling mill.
  • the speed of the rolling stock ie. H. of the band
  • the speed of the belt in front of and behind a rolling stand is inter alia already of interest, for example, because the decrease in speed of the belt during rolling can be used to conclude the reduction of the stitches, so that the speed measurement in front of and behind the rolling stand optionally determines the size of the belt Rolling gap of this scaffold can be controlled. Accordingly, various measures have become known to determine the speed of the rolling stock.
  • DE 198 59 009 A1 is based on a non-contact speed measuring method, in which a magnetic field is formed perpendicular to the direction of movement of the material to be measured, which must be electrically conductive; the velocity of the material to be measured is then determined from the size of the resulting magnetic field.
  • the speed is measured according to DE 1 954 821 A1.
  • the speed of an electrically conductive band is determined here by the fact that the web of the band is guided through an air gap of a movably mounted magnet. The speed is then measured by measuring the force exerted on the magnet in the direction of the speed.
  • the laser speed measurement is a measurement with electromagnetic waves in the visible frequency range (primarily in the frequency range between 385 and 789 THz).
  • the measuring path between the laser measuring device and the rolling stock must therefore be free for the laser beam in the visible frequency range.
  • the solution of this object by the invention according to the method is characterized in that the transmission signal used is an electromagnetic wave with a frequency which lies in the non-visible range.
  • an electromagnetic wave in a frequency range between 0.3 GHz and 300 GHz (microwave radiation) or in a frequency range between 2.5 10 17 Hz and 6 10 19 Hz (X-radiation) is used as the transmission signal.
  • the velocity is preferably determined by the comparison between transmitted and received (reflected) wave after the Doppler effect, ie by signal frequency differences between the transmission signal and the received signal. It is also possible in principle that the velocity is determined by transit time measurement between transmitted and received wave.
  • the rolling stock is particularly preferably a metallic strip, in particular a steel strip.
  • a further development provides that at least two transmitters and two receivers emit electromagnetic waves or receive reflected electromagnetic waves, wherein the at least two transmitters transmit waves of different frequencies. It is also possible, however, that the multiple transmitters emit signals of the same frequency.
  • the at least one transmitter can emit the electromagnetic waves intermittently as pulses. Alternatively, however, a continuous transmission of the signal is possible. From the comparison between the transmitted and the received wave, in addition to the speed, it is also possible to deduce a further parameter of the rolling stock or of the object; this is, for example, the surface roughness of the rolling stock or of the object.
  • the device for determining the speed of a rolling stock or another moving object in a rolling mill comprising at least one transmitter for emitting an electromagnetic wave and at least one receiver for receiving a wave reflected by the rolling stock or object and means which are suitable From the comparison between transmitted and received wave to determine the speed, according to the invention is characterized in that the transmitter is designed to emit an electromagnetic wave in the non-visible frequency range.
  • the transmitter is designed to emit an electromagnetic wave in a frequency range between 0.3 GHz and 300 GHz or in a frequency range between 2.5 10 17 Hz and 6 10 19 Hz.
  • a preferred embodiment of the device provides that the transmitter and the receiver are housed in a common housing. But it is also possible a separate arrangement of transmitter and receiver in respective housings. The emission of the electromagnetic waves can take place with a constant frequency or with variable frequencies.
  • the electromagnetic waves can also be modulated differently, for. In frequency and / or in amplitude.
  • the proposed method thus relates to the use of electromagnetic waves for speed measurement, wherein a wavelength is provided in the non-visible frequency range, in particular in the microwave range.
  • the speed of a rolling stock, in particular a steel strip, but also another object in a rolling mill, is measured.
  • Such an object may be a roller or roller used in the rolling mill. It may also be another device of the rolling mill, for example, a federal transport car.
  • the proposed procedure or device can be modified or extended by various measures.
  • a precise speed measurement can be made, even if due to the environmental conditions, the rolling mill disturbances on the speed measuring system are large, for example by fog, haze or by liquids such as oil in the region of the measuring section between the transmitter, the receiver, the rolling stock, the rolls or the rolls.
  • the frequency range used according to the invention is generally in the non-visible range, with basically all frequencies being suitable, with the exception of laser frequency ranges which lie between 385 and 789 THz and which are not provided according to the invention.
  • the preferred frequency ranges are given above and relate to the microwave range (0.3 GHz to 300 GHz) and the X-ray range (2.5 10 17 Hz and 6 1 0 19 Hz).
  • Advantageous in the choice of the frequency in the X-ray range is that can be used to implement the inventive concept partially devices that are already used for the thickness measurement of rolling stock.
  • FIG. 1 an embodiment of the invention is shown.
  • the sole figure shows schematically a rolling stand of a rolling mill for rolling a steel strip, which is equipped with a device for measuring the speed of the strip behind the roll stand.
  • the thickness control of the rolling stock can be done in a simpler manner, if the exact speed is known.
  • a rolling mill 2 in which a rolling stock 1 is rolled in the form of a metal strip. For this purpose, it is passed in a known manner between two work rolls 8 and 9 and rolled. The work rolls 8, 9 are supported by back-up rolls 10 and 11. Behind the rolling mill, which is formed by the rollers 8, 9, 10 and 1 1, the belt 1 exits at a speed v. It is necessary to determine the speed v exactly.
  • a device which initially has a transmitter 3 which is designed to emit a transmission signal in the form of an electromagnetic wave, which in the exemplary embodiment lies in a frequency range between 0.3 GHz and 300 GHz.
  • the emitted by the transmitter 3 electromagnetic wave is denoted by 4.
  • the reflected wave 5 is detected by a receiver 6.
  • the measuring device can be accommodated in a common housing 7.
  • a second device for speed measurement below the belt 1 is arranged.
  • a transmitter 3 'and a receiver 6' is likewise provided, wherein it is illustrated here that separate housings for transmitter and receiver can also be provided.
  • transmitter and receiver are located on different sides of the rolling stock 1 to be measured, as sketched for the transmitter 3 "and the receiver 6" in the figure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Metal Rolling (AREA)

Abstract

L'invention concerne un procédé pour déterminer la vitesse (v) d'un matériau en laminage (1) ou d'un autre objet en déplacement dans un laminoir (2). Le matériau en laminage (1) ou l'objet dont la vitesse doit être déterminée est soumis à une onde électromagnétique (4) émise par un émetteur (3, 3'), l'onde réfléchie (5) par le matériau en laminage (1) ou l'objet est reçue par un récepteur (6, 6'), et la vitesse (v) est déterminée à partir de la comparaison entre l'onde émise (4) et l'onde reçue (5). Pour accroître la stabilité de cette mesure de vitesse, le signal envoyé se présente sous la forme d'une onde électromagnétique dont la fréquence se situe dans le domaine non visible. Cette invention concerne en outre un dispositif pour déterminer la vitesse (v) d'un matériau en laminage (1) ou d'un autre objet en déplacement dans un laminoir.
PCT/EP2011/052808 2010-02-25 2011-02-25 Procédé et dispositif pour déterminer la vitesse d'un matériau en laminage WO2011104335A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010009213 DE102010009213A1 (de) 2010-02-25 2010-02-25 Verfahren und Vorrichtung zur Bestimmung der Geschwindigkeit eines Walzguts
DE102010009213.4 2010-02-25

Publications (1)

Publication Number Publication Date
WO2011104335A1 true WO2011104335A1 (fr) 2011-09-01

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PCT/EP2011/052808 WO2011104335A1 (fr) 2010-02-25 2011-02-25 Procédé et dispositif pour déterminer la vitesse d'un matériau en laminage

Country Status (2)

Country Link
DE (1) DE102010009213A1 (fr)
WO (1) WO2011104335A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018175995A1 (fr) * 2017-03-23 2018-09-27 Dolphin Measurement Systems, Llc Appareil et procédés de mesure d'épaisseur et de vitesse de matériaux mobiles plats à l'aide de technologies radar à haute fréquence

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1954821A1 (de) 1968-11-06 1970-10-01 Asea Ab Verfahren zum Messen der Geschwindigkeit von Bahnen aus elektrisch leitendem Material und eine Messanordnung zur Durchfuehrung des Verfahrens
DE2133942A1 (de) 1971-07-02 1973-01-18 Licentia Gmbh Verfahren zur beruehrungslosen messung der bewegung eines objektes
US3825341A (en) * 1971-06-11 1974-07-23 Tokyo Shibaura Electric Co Doppler radar using laser
DE2706949A1 (de) 1976-05-03 1977-11-17 Voest Ag Vorrichtung zum erfassen der bandgeschwindigkeit bei mehrgeruestigen warmbandstrassen
GB1530171A (en) * 1976-01-22 1978-10-25 Nat Res Dev Miniature doppler radar systems and microwave receivers suitable therefor
JPS5732824A (en) 1980-08-05 1982-02-22 Kawasaki Steel Corp Traveling speed detecting method for steel plate in hot run table
DE3047728A1 (de) * 1980-12-18 1982-07-15 Franz Dipl.-Ing. 7015 Korntal-Münchingen Leitl Rueckstrahlortungsgeraet, insbesondere radargeraet
DE3322279C2 (de) 1983-06-16 1985-05-15 Mannesmann AG, 4000 Düsseldorf Verfahren zur Messung der Längsgeschwindigkeit und der Länge von Werkstücken
JPS61223652A (ja) 1985-03-29 1986-10-04 Sumitomo Metal Ind Ltd 薄板鋼板ミルスタンド間鋼板速度測定装置
JPH04204057A (ja) 1990-11-30 1992-07-24 Nkk Corp 鋼板の移動速度測定方法
DE4102248A1 (de) * 1991-01-23 1992-07-30 Univ Chemnitz Tech Steuersystem zur erzielung zugfreien walzens fuer kontinuierlich arbeitende walzanlagen
JPH08238508A (ja) 1995-02-28 1996-09-17 Minato Electron Kk レーザドップラ法を利用した鋼板の板厚の圧延自動ゲージ制御方法とその装置
DE19859009A1 (de) 1998-12-21 2000-07-06 Abb Research Ltd Verfahren und Vorrichtung zur Geschwindigkeitsmessung
JP2001033466A (ja) 1999-07-23 2001-02-09 Sumitomo Metal Ind Ltd 熱延鋼板の通板速度測定装置及び測定方法
JP2004061273A (ja) 2002-07-29 2004-02-26 Sumitomo Metal Ind Ltd 鋼材長さ測定装置及びこれを用いた鋼材寸法制御方法
JP2006285447A (ja) 2005-03-31 2006-10-19 Seiko Precision Inc 速度測定装置
EP1307718B1 (fr) 2000-08-11 2008-06-11 Siemens Aktiengesellschaft Procede et dispositifs permettant de faire fonctionner un systeme pmd

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1954821A1 (de) 1968-11-06 1970-10-01 Asea Ab Verfahren zum Messen der Geschwindigkeit von Bahnen aus elektrisch leitendem Material und eine Messanordnung zur Durchfuehrung des Verfahrens
US3825341A (en) * 1971-06-11 1974-07-23 Tokyo Shibaura Electric Co Doppler radar using laser
DE2133942A1 (de) 1971-07-02 1973-01-18 Licentia Gmbh Verfahren zur beruehrungslosen messung der bewegung eines objektes
GB1530171A (en) * 1976-01-22 1978-10-25 Nat Res Dev Miniature doppler radar systems and microwave receivers suitable therefor
DE2706949A1 (de) 1976-05-03 1977-11-17 Voest Ag Vorrichtung zum erfassen der bandgeschwindigkeit bei mehrgeruestigen warmbandstrassen
JPS5732824A (en) 1980-08-05 1982-02-22 Kawasaki Steel Corp Traveling speed detecting method for steel plate in hot run table
DE3047728A1 (de) * 1980-12-18 1982-07-15 Franz Dipl.-Ing. 7015 Korntal-Münchingen Leitl Rueckstrahlortungsgeraet, insbesondere radargeraet
DE3322279C2 (de) 1983-06-16 1985-05-15 Mannesmann AG, 4000 Düsseldorf Verfahren zur Messung der Längsgeschwindigkeit und der Länge von Werkstücken
JPS61223652A (ja) 1985-03-29 1986-10-04 Sumitomo Metal Ind Ltd 薄板鋼板ミルスタンド間鋼板速度測定装置
JPH04204057A (ja) 1990-11-30 1992-07-24 Nkk Corp 鋼板の移動速度測定方法
DE4102248A1 (de) * 1991-01-23 1992-07-30 Univ Chemnitz Tech Steuersystem zur erzielung zugfreien walzens fuer kontinuierlich arbeitende walzanlagen
JPH08238508A (ja) 1995-02-28 1996-09-17 Minato Electron Kk レーザドップラ法を利用した鋼板の板厚の圧延自動ゲージ制御方法とその装置
DE19859009A1 (de) 1998-12-21 2000-07-06 Abb Research Ltd Verfahren und Vorrichtung zur Geschwindigkeitsmessung
JP2001033466A (ja) 1999-07-23 2001-02-09 Sumitomo Metal Ind Ltd 熱延鋼板の通板速度測定装置及び測定方法
EP1307718B1 (fr) 2000-08-11 2008-06-11 Siemens Aktiengesellschaft Procede et dispositifs permettant de faire fonctionner un systeme pmd
JP2004061273A (ja) 2002-07-29 2004-02-26 Sumitomo Metal Ind Ltd 鋼材長さ測定装置及びこれを用いた鋼材寸法制御方法
JP2006285447A (ja) 2005-03-31 2006-10-19 Seiko Precision Inc 速度測定装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018175995A1 (fr) * 2017-03-23 2018-09-27 Dolphin Measurement Systems, Llc Appareil et procédés de mesure d'épaisseur et de vitesse de matériaux mobiles plats à l'aide de technologies radar à haute fréquence

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Publication number Publication date
DE102010009213A1 (de) 2011-10-06

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