JPS58189503A - Device for measuring sectional area and sectional shape of metallic material - Google Patents
Device for measuring sectional area and sectional shape of metallic materialInfo
- Publication number
- JPS58189503A JPS58189503A JP7234182A JP7234182A JPS58189503A JP S58189503 A JPS58189503 A JP S58189503A JP 7234182 A JP7234182 A JP 7234182A JP 7234182 A JP7234182 A JP 7234182A JP S58189503 A JPS58189503 A JP S58189503A
- Authority
- JP
- Japan
- Prior art keywords
- sectional area
- cross
- voltage
- measurement
- ring
- Prior art date
- Legal status (The legal status 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 status listed.)
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Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/32—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring areas
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は、静電容量による金属材料の断面積および２
次元位置、断面形状の検出に関する。DETAILED DESCRIPTION OF THE INVENTION This invention relates to the cross-sectional area of a metal material due to capacitance and
Concerning detection of dimensional position and cross-sectional shape.
たとえば、熱間連鋳片の断面積を検出して断面積と鋳片
長さから垂蓋を計算して、連鋳片を最適に切断する場合
や、断面積の変動により連鋳機の鋳造制御、設備異状検
出が可能となる。また線材等の断面積を検出して、巌材
径の制御に適用できる。For example, when detecting the cross-sectional area of a hot continuous cast slab and calculating the flap from the cross-sectional area and slab length, the continuous cast slab may be optimally cut, or when controlling the casting of a continuous casting machine based on changes in the cross-sectional area. , equipment abnormalities can be detected. It can also be applied to controlling the diameter of the wire by detecting the cross-sectional area of the wire.
鋼管の製造プロセスにおいて、鋼管の位置と断面形状を
検出して処理過程にフィードパ、りすることは重要であ
る。この様に、金属材料の断面積および２次元位置、断
面形状を非接触で、連続的に測定することは工業上極め
て重要である。In the manufacturing process of steel pipes, it is important to detect the position and cross-sectional shape of the steel pipe and feed it into the processing process. In this way, it is industrially extremely important to continuously measure the cross-sectional area, two-dimensional position, and cross-sectional shape of metal materials in a non-contact manner.
従来、たとえば金嘴材料の径や断面形状を測定する方法
として第１図に示す方式がある。第１図（Ａ）は、光源
（平行光線）１とイメージセンサ−２により図に示す方
法で対象０の直径りを測定するものである。（Ｈ）は光
＃１にレーザーを用いたものであり、回転ミラー４とレ
ンズ５の組合せにより平行光線を作り、図に示す方法で
対象０の径りに比例し７た出力を得るものである。なお
この図で５はカメラ、６はエンコーダ、７は光電変換素
子、８は処理装置、ｔけ直径りに対応する出力でｔ−に
−Ｄである。囚、（Ｂ）方式を用いて金属材料の断面積
や２次元位置、断面形状を測定する場合、次の欠点があ
る。・
（１）測定装置を円周方向に回転させないと２次元位置
、断面形状を測定することが出来ない。この場合、回転
角度の測定が必要となる。Conventionally, there is a method shown in FIG. 1 as a method for measuring, for example, the diameter and cross-sectional shape of metal beak material. In FIG. 1(A), the diameter of an object 0 is measured using a light source (parallel light beam) 1 and an image sensor 2 using the method shown in the figure. (H) uses a laser for light #1, creates a parallel beam of light by combining a rotating mirror 4 and a lens 5, and obtains an output proportional to the diameter of the object 0 using the method shown in the figure. be. In this figure, 5 is a camera, 6 is an encoder, 7 is a photoelectric conversion element, 8 is a processing device, and the output corresponding to the diameter of t is t- and -D. However, when measuring the cross-sectional area, two-dimensional position, and cross-sectional shape of a metal material using method (B), there are the following drawbacks. - (1) The two-dimensional position and cross-sectional shape cannot be measured unless the measuring device is rotated in the circumferential direction. In this case, it is necessary to measure the rotation angle.
（２）２次元位置、断面形状、断面積を求めるためには
、信号処理が複雑である。(2) Signal processing is complicated in order to obtain the two-dimensional position, cross-sectional shape, and cross-sectional area.
（６）移動している金属材料の２次元位置と断面形状を
求める場合には、移動方向にズした位置と断面形状、断
面積になる。(6) When determining the two-dimensional position and cross-sectional shape of a moving metal material, the position, cross-sectional shape, and cross-sectional area are shifted in the moving direction.
（４）これら（１） 、 （２）を考慮すると測定装置
は大型で高価格となる。(4) Considering these (1) and (2), the measuring device becomes large and expensive.
本発明は、これらの実情に鑑み檀々検討した結果、これ
ら従来技術における欠点を解消し、金属材料の断面積お
よび２次元位置、断面形状測定手本発明の１つである金
属材料の断面積測定につ（八て説明する。第２図に断面
情則定用の検出器１０の構造を示す。（Ａ）は断面図、
（Ｂ）は側面図である。As a result of extensive studies in view of these actual circumstances, the present invention has solved the drawbacks of these conventional techniques, and has developed a method for measuring the cross-sectional area, two-dimensional position, and cross-sectional shape of metal materials. The measurement will be explained below. Fig. 2 shows the structure of the detector 10 for determining the cross-sectional information. (A) is a cross-sectional view;
(B) is a side view.
第５図に断面積計測装置の構成を示す。検出器１０は紀
２図に示す如くｔ極環１１，１２、とシールドケース１
９から構成されている。電極環１１゜１２とシールドケ
ース１９とは、電気的に絶縁さ：ｉｂ、’に極環１１と
１２も電気的に絶縁されている。FIG. 5 shows the configuration of the cross-sectional area measuring device. The detector 10 has t-pole rings 11 and 12 and a shield case 1 as shown in Fig. 2.
It consists of 9. The electrode rings 11 and 12 are electrically insulated from each other, and the polar rings 11 and 12 are also electrically insulated from each other.
４極環１１，１２とシールドケース１９との配置Ｆｉ第
２図に示す通りであり、−極環１１．１２には電気信号
接続電線１１ ａ ＋ １２ ＊が取付けられている。The arrangement Fi of the quadrupole rings 11, 12 and the shield case 19 is as shown in FIG. 2, and the electric signal connecting wire 11a+12* is attached to the negative pole ring 11.12.
電極環’ １ ｒ １２、−／−ルドケース１９は金属
材料で製作されている。破測尾金橘材料５０ｔま、第２
図に示す如く、検出器１０の中を貫通している。The electrode ring' 1 r 12, -/- lead case 19 is made of metal material. 50 tons of broken Okanetachibana materials, 2nd
As shown in the figure, it passes through the inside of the detector 10.
被測定金属材料５０の断面積測定について説明する。第
６図に断面積１Ｆ測装置の構成を示す。計測装置は、検
出器１０、検出器１０に交流電圧を０４給する交流発振
器２１、電流／’ｇ圧を検出する交流増幅器２２、必要
とする交流信号を抽出するフィルター２５、交流信号を
直流に変換し断面積に比例した信号を出力するＡＣ／Ｄ
Ｃ変換器２４から構成されている。Measurement of the cross-sectional area of the metal material to be measured 50 will be explained. Figure 6 shows the configuration of the cross-sectional area 1F measuring device. The measuring device includes a detector 10, an AC oscillator 21 that supplies AC voltage to the detector 10, an AC amplifier 22 that detects current/'g pressure, a filter 25 that extracts the required AC signal, and converts the AC signal into DC. AC/D that converts and outputs a signal proportional to the cross-sectional area
It is composed of a C converter 24.
検出器１０の一つの電＆環１１に交流発振器２１が接続
されている。電極環１１と１２は誘電体（大気）を通じ
て静電容量を形成しているから、交流発振器２１からの
Ｗ流は、電極環１１を通じて電極環１２に変位電流とな
って流入する。この変位電流は、電極環１２に接続され
ている交流増幅器２２によって検出、増幅される。交流
増幅器２２に検出される変位電流の大きさｔよ、検出４
１０内の被測定金属材料５０の断面積によって決足され
る。被測定金属材料５０の断面積が小さいと変位電流は
大きくなり、断面積が大きいと変位電流は小さくなる。An AC oscillator 21 is connected to one power line 11 of the detector 10. Since the electrode rings 11 and 12 form a capacitance through the dielectric (atmosphere), the W current from the AC oscillator 21 flows into the electrode ring 12 through the electrode ring 11 as a displacement current. This displacement current is detected and amplified by an AC amplifier 22 connected to the electrode ring 12. The magnitude t of the displacement current detected by the AC amplifier 22, detection 4
It is determined by the cross-sectional area of the metal material 50 to be measured within 10. If the cross-sectional area of the metal material 50 to be measured is small, the displacement current will be large, and if the cross-sectional area is large, the displacement current will be small.
交流増幅器２２によって検出された変位電流は増幅され
電圧に変換される。電圧毎号はフィルタニ
ー２６に入力されフィルター１３に必要とされる周波、
数成分の電圧伯帰（交流電圧）が抽出され、ＡＣ／ＤＣ
：ｉ換器２４に入力される。ＡＣ／ＤＣ費換罰２４では
交流電圧は１０−流電圧に変換され、更に断面積に比例
した電圧／電流信号を出力している。The displacement current detected by the AC amplifier 22 is amplified and converted into a voltage. Each voltage number is input to the filter knee 26 and the frequency required by the filter 13,
Several voltage components (AC voltage) are extracted, and AC/DC
: Input to the i converter 24. In the AC/DC converter 24, the alternating current voltage is converted into a 10-current voltage, and further outputs a voltage/current signal proportional to the cross-sectional area.
以ト説明した如く電極環を２個配置し、ＩＩ！極環間の
静電容量を測定することにより非接触で簡単に金属材料
の断面積を測定することができる。検出器として環形吠
を例として説明したが特に形状ンこついて制限するもの
ではない。Arrange two electrode rings as explained above, and II! By measuring the capacitance between the polar rings, the cross-sectional area of a metal material can be easily measured without contact. Although a ring-shaped detector has been described as an example, the shape is not particularly limited.
次に、２次元位ｔＩｔ、断面形状測定について説明する
。鵠４図に検出器２０の形状を示し、囚は断１…＋Ａ、
（Ｂ）は側面図を示す。検出器１２０は、電極環１０１
、分割された彎曲電極板１０３〜１０８、シールドケー
ス１０９から構成され、それらは互に電気的に絶縁され
ている。電極環１０１、彎曲（極板１０３〜１０８には
′嵯巌が接続式れている。Next, two-dimensional position tIt and cross-sectional shape measurement will be explained. Figure 4 shows the shape of the detector 20.
(B) shows a side view. The detector 120 includes an electrode ring 101
, divided curved electrode plates 103 to 108, and a shield case 109, which are electrically insulated from each other. The electrode ring 101 is curved (the electrode plates 103 to 108 are connected to a curved ring).
第５図に２次元位置、断面形状測定装置の構成を示す。FIG. 5 shows the configuration of the two-dimensional position and cross-sectional shape measuring device.
測定装置は検出器１２０に交流電流を供給する交流発振
器１１１、被測定金属材料１５００２次元位置、断面形
状を検出する検出器１２０゜恢出器１２０からの信号を
検出、増幅する交流増幅器１２１、必要な周波数成分を
抽出するフィルター１２２、交流を直流に変換し、被測
定金属材料１５０の位置に比例した信号を出力するＡＣ
／ＤＣ変換器１２６、被測定金属材料１５０の２次元位
置と断面形状を算出する信号処理装置１２４、結果を表
示、記録する表示装置１ｔ１２５から構成されている。The measuring device includes an AC oscillator 111 that supplies AC current to the detector 120, a detector 120 that detects the two-dimensional position and cross-sectional shape of the metal material to be measured, and an AC amplifier 121 that detects and amplifies the signal from the converter 120. a filter 122 that extracts frequency components; an AC that converts alternating current into direct current and outputs a signal proportional to the position of the metal material 150 to be measured
/DC converter 126, a signal processing device 124 that calculates the two-dimensional position and cross-sectional shape of the metal material 150 to be measured, and a display device 1t125 that displays and records the results.
第５図に示す如く、検出器１２０に被測定金属材料１５
０が貫通している。交流発振器１１１ｔ−ｉ、電極環１
０１に接続されているから、変位電流は彎曲電極板に流
れる。この変位電流は、各彎曲電極板１０５〜１０８と
被測定金属材料１５０との間隔に比例した変位電流が流
れる。従って各彎曲電極板１０６〜１０８で検出される
変位電流は、被測定金属材料１５０の位置に比例してい
る。各彎曲電極板１０３〜１０８は、それぞれ交流増幅
器２１に接続され、各変位電流は検出、増幅され、交流
電圧信号に変換される。各交流電圧信号はフィルター１
２２にて必要な周波数成分が抽出される。抽出された各
交流電圧信号は、ＡＣ／ＤＣ変換４２３に入力される。As shown in FIG. 5, the metal material 15 to be measured is mounted on the detector 120
0 is passing through. AC oscillator 111t-i, electrode ring 1
01, the displacement current flows through the curved electrode plate. This displacement current flows in proportion to the distance between each of the curved electrode plates 105 to 108 and the metal material 150 to be measured. Therefore, the displacement current detected by each curved electrode plate 106-108 is proportional to the position of the metal material 150 to be measured. Each of the curved electrode plates 103 to 108 is connected to an AC amplifier 21, and each displacement current is detected, amplified, and converted into an AC voltage signal. Each AC voltage signal is filtered by filter 1
At 22, the necessary frequency components are extracted. Each extracted AC voltage signal is input to AC/DC conversion 423.
ＡＣ／ＤＣ変換器１２３は各交流電圧信号を直流電圧信
号に変換し、各彎曲電極板１０６〜１０８と被測定金属
材料１５００間隔に出側した直流信号を信号装［１２４
に入力している。信号処理装置１２４では各直流信号に
より、演算を行って、断面形状、２次元位置を求めてい
る。その結果はプロセス制御用計算機（プロコン） Ｐ
、Ｃと表示装置１１２５に送られている。表／を装置１
１２５では、結果をＣＲＴに表示し、ハード・コピーで
ｄピ録している。更に、被測定金属材料１５０の中心点
を電圧（ｉ号で出力している。The AC/DC converter 123 converts each AC voltage signal into a DC voltage signal, and converts the DC signal outputted between each curved electrode plate 106 to 108 and the metal material to be measured 1500 into a signal device [124
is being entered. The signal processing device 124 performs calculations using each DC signal to determine the cross-sectional shape and two-dimensional position. The results are displayed on a process control computer (Procon).
, C and the display device 1125. Table/device 1
At step 125, the results are displayed on a CRT and recorded in hard copy. Further, a voltage (i) is output at the center point of the metal material 150 to be measured.
以上説明した如く電極環１個と複数個の彎曲電極板を設
け、電極環と彎曲電極板間の静電容量を測゛定すること
により、簡単に金属材料の２次元位置と断面形状を測定
することが出来る。検出器として環形状を例として説明
したが、特に形状について制限するものではない。As explained above, by providing one electrode ring and multiple curved electrode plates and measuring the capacitance between the electrode ring and the curved electrode plates, the two-dimensional position and cross-sectional shape of the metal material can be easily measured. You can. Although a ring-shaped detector has been described as an example, the shape is not particularly limited.
本発明は静電容量を検出して金属材料の断面積 “
および２次元位置、断面形状を測定するものであるから
次の特徴がある。The present invention detects capacitance to detect the cross-sectional area of a metal material.
Since it measures the two-dimensional position and cross-sectional shape, it has the following characteristics.
（１）検出器の構造がシンプルであり、電接、シールド
ケースが余端であるから、耐熱性、耐久性に優れている
。(1) The structure of the detector is simple, and the electrical connection and shield case are leftover, so it has excellent heat resistance and durability.
（２）静電容量を検出するものであるから測定精度が良
い。(2) Since it detects capacitance, the measurement accuracy is good.
（６）検出器を回転させる必要がないから移動している
金属材料の断面積、２次元位置、断面形状を瞬時に求め
ることが出来る。(6) Since there is no need to rotate the detector, the cross-sectional area, two-dimensional position, and cross-sectional shape of the moving metal material can be instantly determined.
（４）金属材料が熱間であっても測定出来る。(4) Measurement is possible even when the metal material is hot.
（５）非金属材料でも測定出来る。(5) Non-metallic materials can also be measured.
（６）応用としては水、油、粉体等の誘電体の流量測定
に適用できる。(6) As an application, it can be applied to measuring the flow rate of dielectric materials such as water, oil, and powder.
第１図囚、ω）は従来の測定原理を示すものであり、第
２図囚、＠はこの発明の断面積測定用の検出器を示すも
のであり、第３図は、本発明の断面積測定用の装置構成
を示すものであり、第４１囚。
（８）はこの発明の２次元位置、断面形状測定用の検出
器を示すものでめり、第５図は、本発明の２次元位置、
断面形状測定用の装置構成を示すものである。
図面で１＝光源、２：イメージセンサ、３：カメラ、４
：回転ミラー、５：レンズ、６：エンコーダ、７：光電
変換素子、８：処理装置、１１：電極環、１２：電極環
、１７：シールドケース、１０：検出器、２１：交流発
振器、２２：交流増１鴫器、２５ ： ７ イｋ ター
、２４ ： ＡＣ／ＤＣ＆換器、５０：被測定金属材料
、１ｏ１：電極環、１０３〜１０８：彎曲電極板、１ｏ
９：シールド・ケース、１１１：交流発振器、１２ｏ：
検出器、１１１：交流発振器、１２１：交流増幅器、１
２２：フィルター、１２３ ： ＡＣ／ＤＣ変換器、１
２４：信号処理装置。
出願人 新日本袈緘株式会社
代理人弁理士 實 柳 稔第１図
第２図
第３図
１Fig. 1, ω) shows the conventional measurement principle, Fig. 2, Fig. 2, @ shows the cross-sectional area measuring detector of the present invention, and Fig. 3 shows the cross-sectional area of the present invention. This shows the configuration of the device for area measurement, and is the 41st prisoner. (8) shows a detector for measuring the two-dimensional position and cross-sectional shape of the present invention, and FIG.
This figure shows the configuration of a device for measuring cross-sectional shapes. In the drawing, 1 = light source, 2: image sensor, 3: camera, 4
: Rotating mirror, 5: Lens, 6: Encoder, 7: Photoelectric conversion element, 8: Processing device, 11: Electrode ring, 12: Electrode ring, 17: Shield case, 10: Detector, 21: AC oscillator, 22: AC intensifier, 25: 7-point converter, 24: AC/DC & converter, 50: Metal material to be measured, 1o1: Electrode ring, 103-108: Curved electrode plate, 1o
9: Shield case, 111: AC oscillator, 12o:
Detector, 111: AC oscillator, 121: AC amplifier, 1
22: Filter, 123: AC/DC converter, 1
24: Signal processing device. Applicant Shin Nihon Ketan Co., Ltd. Representative Patent Attorney Minoru Minoru Yanagi Figure 1 Figure 2 Figure 3 Figure 1
Claims (2)
帯環状電極と、該帯環状電極の一方に交流を印加する交
流発振器と、他方の電極から出力される電気信号を増幅
する増幅器とからなる金属材料の断面積測定装置。(1) A pair of ring-shaped electrodes each surrounded by a shield case (19), an AC oscillator that applies alternating current to one of the ring-shaped electrodes, and an amplifier that amplifies the electrical signal output from the other electrode. A device for measuring the cross-sectional area of metal materials.
電極（１０１）と、該帯環状電極の軸方向において所定
間隔をおいて、帯環状となる如く、各々相互が電気的に
絶縁されているとともに各々がそれぞれ出力端子を有す
る彎曲電極の集合体と、前記帯環状電極（１０１）に交
流を印加する交流発振器と、前記彎曲電極の各々から出
力される電気信号を増幅する増幅器と、該増幅器からの
入力信号に基づいて材料断面の輪郭を出力する信号処理
装置とからなる金属材料の断面形状測定装置。(2) The shield case (109) surrounds the band-shaped electrode (101) and the band-shaped electrode (101) is electrically insulated from each other so as to form a band-shaped ring at a predetermined interval in the axial direction of the band-shaped electrode. an aggregate of curved electrodes each having an output terminal; an AC oscillator that applies alternating current to the band-shaped electrode (101); and an amplifier that amplifies the electrical signal output from each of the curved electrodes; An apparatus for measuring the cross-sectional shape of a metal material, comprising a signal processing device that outputs the outline of the cross-section of the material based on an input signal from an amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7234182A JPS58189503A (en) | 1982-04-28 | 1982-04-28 | Device for measuring sectional area and sectional shape of metallic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7234182A JPS58189503A (en) | 1982-04-28 | 1982-04-28 | Device for measuring sectional area and sectional shape of metallic material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58189503A true JPS58189503A (en) | 1983-11-05 |
| JPS635681B2 JPS635681B2 (en) | 1988-02-04 |
Family
ID=13486493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7234182A Granted JPS58189503A (en) | 1982-04-28 | 1982-04-28 | Device for measuring sectional area and sectional shape of metallic material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58189503A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0413448A (en) * | 1990-05-08 | 1992-01-17 | Nippon Metal Ind Co Ltd | Method for measuring bulging degree of cooling roll in metal strip continuous production |
-
1982
- 1982-04-28 JP JP7234182A patent/JPS58189503A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0413448A (en) * | 1990-05-08 | 1992-01-17 | Nippon Metal Ind Co Ltd | Method for measuring bulging degree of cooling roll in metal strip continuous production |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS635681B2 (en) | 1988-02-04 |
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