JPH0892812A - End breakage detection and apparatus therefor - Google Patents
End breakage detection and apparatus thereforInfo
- Publication number
- JPH0892812A JPH0892812A JP22613094A JP22613094A JPH0892812A JP H0892812 A JPH0892812 A JP H0892812A JP 22613094 A JP22613094 A JP 22613094A JP 22613094 A JP22613094 A JP 22613094A JP H0892812 A JPH0892812 A JP H0892812A
- Authority
- JP
- Japan
- Prior art keywords
- yarn
- yarn breakage
- bright spot
- light
- image processing
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000009987 spinning Methods 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 description 13
- 238000003384 imaging method Methods 0.000 description 3
- 238000002074 melt spinning Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000001994 activation Methods 0.000 description 2
- 238000007380 fibre production Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
Landscapes
- Treatment Of Fiber Materials (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、糸切れ検出方法及びそ
の装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a yarn breakage detection method and device.
【０００２】[0002]
【従来技術とその課題】合成繊維等を紡糸する場合にお
いて、吐出後の糸条の糸切れは様々な障害を引き起こ
す。繊維製造中の糸切れとしては全糸切れと単糸切れが
あるが、全糸切れが生じた場合は製造の中断を強いられ
る結果、生産性の大幅な低下をもたらす。一方、単糸切
れが生じた場合は、糸条が毛羽糸となって後工程に悪影
響をもたらし、ひいては品質を著しく低下させる。従っ
て、紡糸工程中において吐出され、引き取られている糸
条の糸切れを確実かつ迅速に検知できれば、その糸切れ
部分を速やかに除去したり又は製造条件にフィードバッ
クすることが可能となる。2. Description of the Related Art When spinning synthetic fibers or the like, yarn breakage of a yarn after ejection causes various obstacles. There are two types of yarn breakage during fiber production: all yarn breakage and single yarn breakage. However, if all yarn breakage occurs, the production must be interrupted, resulting in a significant decrease in productivity. On the other hand, when a single yarn breaks, the yarn becomes a fluff yarn, which adversely affects the subsequent process, and thus significantly deteriorates the quality. Therefore, if it is possible to reliably and promptly detect the yarn breakage of the yarn discharged and taken during the spinning process, the yarn breakage portion can be promptly removed or fed back to the manufacturing conditions.
【０００３】従来より、繊維全体の切れを検出する装置
及び糸束中の毛羽発生を検出する装置は実用化されてい
るが、単糸単位（フィラメント単位）での糸切れを検出
する方法はなかった。Conventionally, a device for detecting the breakage of the entire fiber and a device for detecting the occurrence of fluff in the yarn bundle have been put into practical use, but there is no method for detecting the yarn breakage in single yarn units (filament units). It was
【０００４】これに関し、最近では、溶融紡糸中のフィ
ラメント異常糸の検出方法が提案されている（特開平６
−１２８８０号公報）。この方法は、紡糸ノズルから放
出後集束される前の繊維糸を撮影し、得られた映像を判
別処理することによって、異常糸を判別、検出するもの
である。In this regard, recently, a method for detecting an abnormal filament yarn in melt spinning has been proposed (Japanese Patent Laid-Open No. 6-242242).
-12880). In this method, an abnormal yarn is discriminated and detected by photographing the fiber yarn that has been discharged from the spinning nozzle and before being bundled, and discriminating the image obtained.
【０００５】しかしながら、上記方法において、紡糸ノ
ズルから吐出される糸条数が多くなる場合には、糸束の
外周部の糸条の糸切れは確実に検出することができて
も、中心部の糸切れは撮影しにくく画像上に現れにくい
ため、その糸切れを確実に検出することは困難である。
しかも、上記方法における画像は実映像であるため、フ
ィラメントの画像境界があまり明確ではなく、精度面に
おいても未だ改善の余地がある。However, in the above method, when the number of yarns discharged from the spinning nozzle is large, even if the yarn breakage of the yarns on the outer peripheral portion of the yarn bundle can be detected reliably, Since it is difficult to shoot a thread break and hardly appear on the image, it is difficult to reliably detect the thread break.
Moreover, since the image in the above method is an actual image, the image boundary of the filament is not so clear, and there is still room for improvement in terms of accuracy.
【０００６】[0006]
【発明が解決しようとする課題】従って、本発明は、高
精度でかつ比較的容易に糸切れを検出する方法を提供す
ることを主な目的とする。SUMMARY OF THE INVENTION Therefore, the main object of the present invention is to provide a method of detecting a yarn breakage with high accuracy and relatively easily.
【０００７】[0007]
【課題を解決するための手段】本発明者は、従来技術の
問題に鑑み鋭意研究を重ねた結果、紡糸され、引き取ら
れる糸条群の糸条の実映像ではなく、糸条にあてた光の
反射輝点を画像処理する場合には、確実かつ容易に糸切
れを検出できることを見出し、本発明を完成するに至っ
た。As a result of earnest studies in view of the problems of the prior art, the inventor of the present invention has decided not to give an actual image of a yarn of a yarn group to be spun and to be taken up, but to a light applied to the yarn. In the case of image-processing the reflection bright spot of No. 2, it was found that the yarn breakage can be detected reliably and easily, and the present invention has been completed.
【０００８】すなわち、本発明は、下記の糸切れ検出方
法及びその装置に係るものである。 １．紡糸工程において、引取り中の糸条群に光をあてて
反射輝点を生じさせ、当該反射輝点を画像処理すること
により当該糸条の糸切れを判別することを特徴とする糸
切れ検出方法。That is, the present invention relates to the following yarn breakage detection method and device. 1. In the spinning process, a yarn breakage detection is characterized by illuminating the yarn group being drawn to generate a reflection bright spot, and performing image processing on the reflection bright spot to determine the yarn breakage of the yarn. Method.
【０００９】２．光源とその光源による反射輝点を取り
込む撮像器とからなり、かつ当該撮像器に画像処理器が
接続されていることを特徴とする糸切れ検出装置。2. A yarn breakage detection device comprising a light source and an image pickup device for capturing a bright spot reflected by the light source, and an image processor connected to the image pickup device.
【００１０】以下、本発明を詳細に説明する。Hereinafter, the present invention will be described in detail.
【００１１】本発明の糸切れ検出方法は、光をあてると
繊維表面に反射光の輝点をつくるものであれば実質的に
あらゆる繊維に適用することができる。例えば、ポリア
ミド、ポリエステル、ポリエチレン、ポリスチレン、フ
ェノール、アクリル、ピッチ繊維等の合成繊維、アセテ
ート、レーヨン等の化学繊維などが挙げられる。また、
本発明方法は、溶融紡糸、湿式紡糸等のいずれの紡糸方
法にも適用することができる。その他紡糸ノズル孔数、
糸条の引き取り速度等の紡糸条件の制約も特に受けるこ
とはない。The yarn breakage detection method of the present invention can be applied to virtually any fiber as long as it produces a bright spot of reflected light on the fiber surface when light is applied. Examples thereof include synthetic fibers such as polyamide, polyester, polyethylene, polystyrene, phenol, acryl and pitch fibers, and chemical fibers such as acetate and rayon. Also,
The method of the present invention can be applied to any spinning method such as melt spinning and wet spinning. Number of other spinning nozzle holes,
There is no particular restriction on spinning conditions such as the take-up speed of the yarn.
【００１２】光源としては、通常の電球光、レーザー
光、蛍光等のあらゆる光源を用いることができ、対象と
する繊維、環境等に応じて最も効果的に反射輝点を発生
させるものを適宜選択すれば良い。例えば、対象とする
繊維がピッチ繊維である場合は、ハロゲンランプを使用
すれば好適に反射輝点を発生させることが可能である。As the light source, any light source such as ordinary bulb light, laser light, and fluorescence can be used, and a light source that most effectively produces a reflected bright spot is selected according to the target fiber, environment, etc. Just do it. For example, when the target fiber is a pitch fiber, it is possible to preferably generate a reflection bright spot by using a halogen lamp.
【００１３】上記光源により発生した光を引取り中の糸
条群（糸束）にあてる。この場合、検出の目的等に応
じ、糸束のすべてに光をあてても或いは糸束の一部に光
をあてても良い。The light generated by the light source is applied to the yarn group (yarn bundle) being taken. In this case, depending on the purpose of detection or the like, light may be applied to the entire yarn bundle or a part of the yarn bundle.
【００１４】光を糸束にあてる角度は、光の入射と反射
輝点の取り込みとのなす角度（θ）が０よりも大とする
（即ち、光をあてる方向が糸束に対して直角とならない
ようにする）ことが好ましく、さらには上記角度を大き
くするほど反射輝点の重複がなくなり、検知精度の向上
を図ることができる。実用上は、その角度は６０度を超
えない程度の範囲とすれば良い。これにより、糸束の外
周部のみならず中心部の糸切れもより有効に追跡するこ
とが可能となる。The angle at which light is incident on the yarn bundle is larger than 0 (angle) between the incidence of light and the incorporation of reflected bright spots (that is, the direction of illuminating light is perpendicular to the yarn bundle). It is preferable that the above) is not performed. Further, as the angle is increased, the reflection bright spots do not overlap, and the detection accuracy can be improved. Practically, the angle may be set within the range of not exceeding 60 degrees. This makes it possible to more effectively track the yarn breakage not only in the outer peripheral portion of the yarn bundle but also in the central portion.
【００１５】反射輝点を発生させる位置は、紡糸口金か
ら吐出された後であって集束される前の間であればいず
れ位置であっても良いが、最も効果的に反射輝点を発生
させることができる位置とするのが望ましい。The position where the reflected bright spot is generated may be any position after the ejection from the spinneret and before the focusing, but the most effective generation of the reflected bright spot is possible. It is desirable to set the position so that it is possible.
【００１６】次に、光をあてることにより繊維表面上に
生じた反射輝点を画像処理することによって当該糸条の
糸切れを判別する。反射輝点の画像処理は、例えば当該
輝点を撮像器（カメラ）等で取り込み、輝度信号を二値
化処理することにより行うことができる。この場合、二
値化処理においては、糸切れを判別できる限界値（輝度
レベル）を設定し、例えば一定輝度以上の面積又は限定
域での合計輝度等に基づき糸切れを検出することができ
る。Next, the reflection luminescent spots generated on the fiber surface by applying light are subjected to image processing to determine the yarn breakage of the yarn. The image processing of the reflected bright spot can be performed by, for example, capturing the bright spot with an imager (camera) or the like and binarizing the luminance signal. In this case, in the binarization process, a limit value (luminance level) with which yarn breakage can be discriminated can be set, and yarn breakage can be detected based on, for example, the area above a certain luminance or the total luminance in a limited area.
【００１７】本発明の検出方法においては、紡糸工程に
おいて、引取り中の糸条群に、糸切れが発生した場合の
み反射輝点を発生するように光をあて、当該反射輝点を
画像処理することにより当該糸条の糸切れを判別する方
法をも含む。糸切れが発生した場合のみ反射輝点を発生
するように光をあてる方法としては、例えば光源と反射
輝点を取り込む撮像器の位置を変えることにより実施す
ることができる。この位置は、紡糸条件、繊維の種類等
によ応じて適宜定めることができる。本法の場合は、前
記方法の場合とは逆に、反射輝点が検知されたときは糸
切れが発生したことを示すこととなる。In the detection method of the present invention, in the spinning step, the yarn group being drawn is irradiated with light so as to generate a reflection bright spot only when a yarn breakage occurs, and the reflection bright spot is image-processed. It also includes a method of determining the yarn breakage of the yarn by doing. A method of irradiating light so as to generate a reflected bright spot only when a thread breakage can be implemented by changing the positions of a light source and an image pickup device that captures the reflected bright spot. This position can be appropriately determined depending on the spinning conditions, the type of fiber, and the like. In the case of the present method, contrary to the case of the above method, when the reflected bright spot is detected, it indicates that the thread breakage has occurred.
【００１８】またさらに、本発明の糸切れ検出方法によ
る検出結果を利用し、これを紡糸工程の操作条件（フー
ド温度、空気量、水蒸気量など）にフィードバックする
ことによって、糸ゆれ等の制御を行うことができる。例
えば、輝点の輝度が単位時間当たりに一定基準値以上変
化した場合には、紡糸口金におけるフード温度、導入空
気量等を変化させることによって制御することができ
る。Further, by utilizing the detection result of the yarn breakage detecting method of the present invention and feeding it back to the operating conditions of the spinning process (hood temperature, air amount, water vapor amount, etc.), the control of yarn shake etc. can be performed. It can be carried out. For example, when the brightness of the bright spots changes by a certain reference value or more per unit time, it can be controlled by changing the hood temperature, the amount of introduced air, etc. in the spinneret.
【００１９】本発明の糸切れ検出装置は、光源とその光
源による反射輝点を取り込む撮像器とからなり、かつ当
該撮像器に画像処理器が接続されていることを特徴とす
るものである。The yarn breakage detecting device of the present invention is characterized in that it comprises a light source and an image pickup device for taking in the reflected bright spots by the light source, and an image processor is connected to the image pickup device.
【００２０】本発明装置の一例の概要を図１に示す。光
源（３）から発した光は、紡糸口金（１）から吐出され
た糸束（２）に対して角度（θ）であてられる。糸束に
あてられた光は、繊維表面上で反射輝点（４）をつく
り、これは撮像カメラ（５）にとらえられる。撮像カメ
ラにとらえられた画像信号は、接続された画像処理装置
（６）で二値化処理等の画像処理がなされ、その処理結
果により糸切れの発生の有無を検知する。さらに、この
検知結果を利用して糸ゆれ等の制御を行う場合は、さら
に画像処理装置に制御装置（７）を接続すれば良い。An outline of an example of the device of the present invention is shown in FIG. The light emitted from the light source (3) is directed at an angle (θ) with respect to the yarn bundle (2) discharged from the spinneret (1). The light applied to the yarn bundle creates a reflective bright spot (4) on the fiber surface, which is captured by the imaging camera (5). The image signal captured by the image pickup camera is subjected to image processing such as binarization processing in the connected image processing device (6), and the presence or absence of yarn breakage is detected based on the processing result. Further, in the case of controlling the yarn shake or the like using the detection result, the control device (7) may be further connected to the image processing device.
【００２１】本発明装置における撮像カメラ、画像処理
装置等は、市販されているものをそのまま使用すること
ができる。また、光源又は撮像カメラと糸束との距離、
上記角度などは、光源の種類、紡糸条件等に応じて適宜
設定することができる。As the image pickup camera, the image processing device and the like in the device of the present invention, those which are commercially available can be used as they are. Also, the distance between the light source or the imaging camera and the yarn bundle,
The angle and the like can be appropriately set according to the type of light source, spinning conditions, and the like.
【００２２】[0022]
【発明の効果】本発明の糸切れ検出方法又はその装置に
よれば、反射輝点を利用して糸切れを検出するので、糸
条数が増えても確実に糸切れを検出することができ、し
かも画像処理データが極めて明確であるので容易にその
判別を行うことができる。According to the yarn breakage detecting method or the device thereof of the present invention, the yarn breakage is detected by utilizing the reflection bright spots, so that the yarn breakage can be surely detected even if the number of yarns increases. Moreover, since the image processing data is extremely clear, it can be easily discriminated.
【００２３】このため、本発明の糸切れ検出方法による
検出結果を利用し、これを紡糸工程の操作条件（フード
温度、空気量、水蒸気量など）等にフィードバックする
ことによって、糸ゆれの制御等を有効に行うことがで
き、繊維製造における生産性を飛躍的に向上させること
が可能である。Therefore, by utilizing the detection result of the yarn breakage detection method of the present invention and feeding it back to the operating conditions (hood temperature, air amount, water vapor amount, etc.) of the spinning process, the control of the yarn shake etc. Can be effectively performed, and it is possible to dramatically improve the productivity in fiber production.
【００２４】[0024]
【実施例】以下、実施例を示し、本発明の特徴とすると
ころをより明確にする。EXAMPLES Examples will be shown below to clarify the characteristics of the present invention.
【００２５】実施例１ ピッチを連続して溶融紡糸しながら冷却細化し、２０μ
ｍの糸条を図１に示す装置を用いて糸切れを検知しなが
ら、コンベア上の堆積させて目付量が５００g/m2 のピ
ッチ繊維シートを得た。次いで、このシートを不融化・
賦活化し、活性炭繊維を得た。Example 1 The pitch was continuously melt-spun and cooled and refined to 20 μm.
m yarns were piled up on the conveyor while detecting the yarn breakage using the device shown in FIG. 1 to obtain a pitch fiber sheet having a basis weight of 500 g / m 2 . Next, infusify this sheet
Activated to obtain activated carbon fiber.
【００２６】紡糸条件、糸切れの測定条件は下記の通り
に行った。糸切れを検知した結果、糸切れの発生は３０
回／７２時間であった。The spinning conditions and the yarn breakage measuring conditions were as follows. As a result of detecting the thread breakage, the occurrence of the thread breakage is 30
Times / 72 hours.
【００２７】 ノズル孔数 １２９Ｈ 測定点の糸束直径 約５０mmφ 引き取り速度 ４６．７ｍ／ｓｅｃ 光源とカメラの設置角（θ） ３０度 照明用光源 ハロゲンランプ１００Ｗ カメラ ＣＣＤ固体撮像素子 (768(H)×493(V)) 画像処理器 Ｆ３００視覚認識装置（オムロン社製） 実施例２ 糸切れの検知結果を利用して紡糸条件の制御を行った。Number of nozzle holes 129H Diameter of yarn bundle at measurement point Approximately 50 mmφ Collection speed 46.7 m / sec Installation angle of light source and camera (θ) 30 degrees Illumination light source Halogen lamp 100 W camera CCD solid-state image sensor (768 (H) × 493 (V)) Image processor F300 visual recognition device (manufactured by OMRON Corporation) Example 2 The spinning conditions were controlled using the detection result of yarn breakage.
【００２８】実施例１と同じ紡糸方法で、実施例１と同
じ検知装置を用い、予め関係式を求めることにより溶融
紡糸中の輝点の輝度を３０％と基準設定し、この基準値
以上に変化した場合は糸切れと判別させた。その際、ゆ
れを連続測定しながら糸ゆれ値を求めた。Using the same spinning method as in Example 1 and using the same detection device as in Example 1, the brightness of the bright spot during melt spinning was set to 30% as a standard by previously obtaining the relational expression, and above this standard value. When it changed, it was judged that the thread was broken. At that time, the yarn shake value was obtained while continuously measuring the shake.
【００２９】糸ゆれの制御は、輝点の輝度が１秒間に１
０％以上変化した場合に６０秒間カウントアップ（これ
を１カウントポイントとする）するようにして求め、こ
のカウントポイントが２０以上となった場合に紡糸口金
直下におけるフード温度を５℃昇温し、３分間毎で計２
回のカウントポイントの値と昇温前のカウント値との比
較から、輝度の変動率が増加する場合は反対にフード温
度を６℃下げるように制御した。その結果、最初の２５
分間は糸切れの発生がみられたが、以後８４時間にわた
って糸切れはなく、また不融・賦活工程上のトラブルの
発生も認められなかった。比表面積の変動率は９．５％
であった。To control the yarn shake, the brightness of the bright spot is set to 1 per second.
When it changes by 0% or more, it is calculated by counting up for 60 seconds (this is 1 count point), and when this count point is 20 or more, the hood temperature immediately below the spinneret is increased by 5 ° C., 2 every 3 minutes
From the comparison between the value of the count point at each time and the count value before the temperature rise, the hood temperature was controlled to be lowered by 6 ° C. when the fluctuation rate of the luminance increased. As a result, the first 25
Although the yarn breakage was observed during the period, the yarn breakage did not occur for 84 hours thereafter, and the occurrence of troubles in the infusibility / activation process was not recognized. Fluctuation of specific surface area is 9.5%
Met.
【００３０】比較例１ 紡糸条件の制御をしなかった以外は実施例２と同様にし
てピッチを紡糸し、不融化・賦活した。Comparative Example 1 Pitch was spun, infusibilized and activated in the same manner as in Example 2 except that the spinning conditions were not controlled.
【００３１】その結果、糸切れが３５回以上発生し、各
発生時において不融時のシート過熱部分が発生し、工程
中の温度制御が困難となった。このため、賦活後のシー
ト幅が大きく変化し、比表面積の変動率も１５．５％と
大きくなった。As a result, yarn breakage occurred 35 times or more, and a sheet overheated portion at the time of non-melting occurred at each occurrence, making it difficult to control the temperature during the process. For this reason, the sheet width after activation changed greatly, and the fluctuation rate of the specific surface area also increased to 15.5%.
【図１】本発明装置の一例の概要を示す図である。FIG. 1 is a diagram showing an outline of an example of a device of the present invention.
１…紡糸ノズル ２…糸束 ３…光源 ４…反射輝点 ５…撮像カメラ ６…画像処理変換装置 ７…制御装置 DESCRIPTION OF SYMBOLS 1 ... Spinning nozzle 2 ... Yarn bundle 3 ... Light source 4 ... Reflective bright spot 5 ... Imaging camera 6 ... Image processing conversion device 7 ... Control device
Claims (7)
をあてて反射輝点を生じさせ、当該反射輝点を画像処理
することにより当該糸条の糸切れを判別することを特徴
とする糸切れ検出方法。1. In the spinning step, light is applied to the yarn group during drawing to generate a reflection bright spot, and the reflection bright spot is subjected to image processing to determine the yarn breakage of the yarn. Thread breakage detection method.
度が０よりも大である請求項１記載の糸切れ検出方法。2. The yarn breakage detection method according to claim 1, wherein the angle formed by the incidence of light and the capture of reflected bright spots is larger than zero.
度が６０度を超えない範囲である請求項２記載の糸切れ
検出方法。3. The yarn breakage detection method according to claim 2, wherein the angle formed by the incidence of light and the capture of reflected bright spots is in a range not exceeding 60 degrees.
３にいずれかに記載の糸切れ検出方法。4. The yarn breakage detection method according to claim 1, wherein the image processing is binarization processing.
糸切れが発生した場合のみ反射輝点を生じさせるように
光をあて、当該反射輝点を画像処理することにより当該
糸条の糸切れを判別することを特徴とする糸切れ検出方
法。5. In the spinning process, the yarn group being taken
A yarn breakage detecting method characterized in that the yarn breakage of the yarn is discriminated by shining light so as to generate a reflected bright spot only when the yarn breakage occurs and performing image processing on the reflected bright spot.
撮像器とからなり、かつ当該撮像器に画像処理器が接続
されていることを特徴とする糸切れ検出装置。6. A yarn breakage detecting device comprising a light source and an image pickup device for capturing a bright spot reflected by the light source, and an image processor connected to the image pickup device.
項６記載の糸切れ検出装置。7. The yarn breakage detection device according to claim 6, wherein the image processing device is a binarization processing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22613094A JPH0892812A (en) | 1994-09-21 | 1994-09-21 | End breakage detection and apparatus therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22613094A JPH0892812A (en) | 1994-09-21 | 1994-09-21 | End breakage detection and apparatus therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0892812A true JPH0892812A (en) | 1996-04-09 |
Family
ID=16840323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22613094A Pending JPH0892812A (en) | 1994-09-21 | 1994-09-21 | End breakage detection and apparatus therefor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0892812A (en) |
Cited By (5)
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|---|---|---|---|---|
| JP2017105657A (en) * | 2015-12-07 | 2017-06-15 | 日本電気硝子株式会社 | Method of manufacturing glass fiber strand |
| CN110184659A (en) * | 2019-05-31 | 2019-08-30 | 吴江朗科化纤有限公司 | A kind of detection device of synthetic fiber spinning technique the Silk Road |
| CN110220913A (en) * | 2019-05-31 | 2019-09-10 | 吴江朗科化纤有限公司 | A kind of intelligent patrol detection device of synthetic fiber spinning technique the Silk Road |
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| CN110546113A (en) * | 2017-06-06 | 2019-12-06 | 日本电气硝子株式会社 | Method for manufacturing glass fiber strands |
-
1994
- 1994-09-21 JP JP22613094A patent/JPH0892812A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017105657A (en) * | 2015-12-07 | 2017-06-15 | 日本電気硝子株式会社 | Method of manufacturing glass fiber strand |
| CN110546113A (en) * | 2017-06-06 | 2019-12-06 | 日本电气硝子株式会社 | Method for manufacturing glass fiber strands |
| JPWO2018225570A1 (en) * | 2017-06-06 | 2020-04-09 | 日本電気硝子株式会社 | Method for producing glass fiber strand |
| CN110546113B (en) * | 2017-06-06 | 2022-05-17 | 日本电气硝子株式会社 | Method for manufacturing glass fiber strands |
| US11746037B2 (en) | 2017-06-06 | 2023-09-05 | Nippon Electric Glass Co., Ltd. | Method for manufacturing glass fiber strand |
| CN110184659A (en) * | 2019-05-31 | 2019-08-30 | 吴江朗科化纤有限公司 | A kind of detection device of synthetic fiber spinning technique the Silk Road |
| CN110220913A (en) * | 2019-05-31 | 2019-09-10 | 吴江朗科化纤有限公司 | A kind of intelligent patrol detection device of synthetic fiber spinning technique the Silk Road |
| CN110308147A (en) * | 2019-05-31 | 2019-10-08 | 吴江朗科化纤有限公司 | A kind of intelligent inspection method of synthetic fiber spinning technique the Silk Road |
| CN110308147B (en) * | 2019-05-31 | 2022-09-16 | 苏州朗科智能制造有限公司 | Intelligent inspection method for chemical fiber spinning process yarn path |
| CN110184659B (en) * | 2019-05-31 | 2024-05-17 | 苏州朗科智能制造有限公司 | Detection device for chemical fiber spinning process yarn path |
| CN110220913B (en) * | 2019-05-31 | 2025-02-25 | 苏州朗科智能制造有限公司 | An intelligent inspection device for chemical fiber spinning process silk road |
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