EP0837829B1 - Optoelektronische sensorvorrichtung und schussfaden-messspeichergerät - Google Patents
Optoelektronische sensorvorrichtung und schussfaden-messspeichergerät Download PDFInfo
- Publication number
- EP0837829B1 EP0837829B1 EP96923976A EP96923976A EP0837829B1 EP 0837829 B1 EP0837829 B1 EP 0837829B1 EP 96923976 A EP96923976 A EP 96923976A EP 96923976 A EP96923976 A EP 96923976A EP 0837829 B1 EP0837829 B1 EP 0837829B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- slit
- measuring
- thread
- aperture
- receivers
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/08—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/34—Handling the weft between bulk storage and weft-inserting means
- D03D47/36—Measuring and cutting the weft
- D03D47/361—Drum-type weft feeding devices
- D03D47/367—Monitoring yarn quantity on the drum
Definitions
- the invention relates to an optoelectronic sensor device according to the preamble of claim 1 and a Weft thread measuring device according to the preamble of the claim 4th
- GB-C-1 283 528 Sensor device is the cross passage of a spun Fadens detected in a ring spinning machine, the running Thread runs in an opening.
- the opening is from penetrated by a beam of light, one in an opening wall arranged light source diametrically through the opening onto one opposite receiver throws.
- a Aperture slit provided in front of the recipient.
- the receiver speaks on light variations or the shadow passing through the aperture slit of thread. Interferences such as vibrations, extraneous light and Like. Can cause the receiver to issue an error signal, although the thread has the aperture slit in the scanning zone didn't happen properly.
- weft thread measuring devices As they are typically for a long time on jet looms to provide the Weft thread is used for control and monitoring exact information of the insertion process of each weft necessary when and that the weft when pulling passes a scan zone.
- Trigger sensor provided with one on the illuminated Scanning zone aligned, responsive to light variations Receiver is equipped. Because in practice operational Vibrations, extraneous light and other disturbances affect the receiver also make it respond, is the meaningfulness the signals obtained from the passages of the weft unreliable.
- the signal evaluated in the differential circuit is therefore because of the gradual increase in signals and also gradual signal drop weak and requires considerable Reinforcement effort, but also effective with interference becomes. Furthermore, one is clear in such measurement storage devices aixal back and forth movement of the limit on the trigger side of the thread supply present on the storage body is indispensable, especially when working with thread separation and / or a vivid pattern is woven.
- the invention has for its object a simple optoelectronic Sensor device of the type mentioned and to provide a weft measuring storage device in which from the thread passage a strong and meaningful as well easily discriminable against signals from interference Useful signal can be generated.
- the measuring storage device With the measuring storage device the take-off sensor despite varying thread take-off speed, different thread qualities and changing Position of the longitudinal direction of the thread in the scanning zone exact information provide when and that the thread passes the scanning zone.
- thread generally refers to thread-like ones Substrates such as yarns, threads, threads, threads, wires, Ribbon, film strips and the like
- Sensor devices the receiver with an illustration or sharpen the object to be scanned and position sensitive detectors, imaging optics with an aperture and high quality circuitry.
- Sensor devices are for scanning a thread passage too expensive for itself or in a measurement storage device and expensive and depart from it for other reasons a use from (e.g. WO 89/00215, WO-A-90 06 504, EP-A-0 519 281).
- the task is in an optoelectronic sensor device with the features of claim 1 and in a weft measuring memory device with the features of Claim 4 solved.
- the response of the two receivers in the as a differential circuit designed evaluation circuit generates the useful signal.
- a compact Reach the design of the trigger sensor the trigger sensor practically independent of the speed variations of the thread moving through the scanning zone and before all regardless of the respective position of the longitudinal direction of the thread is in the scan zone.
- the embodiment according to claim is particularly expedient 6. Here it is ensured that the thread from both receivers only in areas restricted by the slits of the receiver surfaces and regardless of the position of the longitudinal direction of the thread temporally and / or geometrically in the scanning zone is perceived differently.
- a particularly expedient embodiment is based on claim 7 out. It is useful if the crossbar of the T of the thigh maintains a small distance so that about the geometric configuration of the diaphragm slots Asymmetry in the scanning of the thread results for the Differentiation between useful and interference signal and for a strong useful signal is important.
- Diaphragm slots of the same size are advantageous.
- the embodiment according to claim 10 is particularly important. With this adjustment of the positions of the diaphragm slots on the possible positions of the longitudinal direction of the thread in the scanning zone it is excluded that the thread of both receivers is geometric or is perceived at the same time.
- a compact, reliable and reliable design of the trigger sensor possible.
- the holder with its channels, the receivers, the light source and the slit is a simple and component that can be prefabricated inexpensively and with high precision, which can be accommodated cheaply even in tight spaces and can be easily replaced.
- the cover plate avoids contamination or dust in the holder arranged components.
- the distance dimensioning according to claim 14 has proven to be advantageous proven.
- Fig. 1 illustrates schematically the structure of an optoelectronic Sensor device S for determining the passage one is also transverse to its longitudinal direction D (e.g. in the direction the arrow 1) through a scanning zone 3 moving thread Y.
- the thread Y also in the direction of arrow 2, i.e. in its Longitudinal direction D, are moved.
- the scanning zone S is on spatial area that is at least one light source L is illuminated, and on those in the embodiment shown two receivers R1, R2 with their receiver surfaces 4 and 5 are aligned.
- two receivers R1, R2 with their receiver surfaces 4 and 5 are aligned.
- offset light source L could either be on the side of the Receiver or on the side opposite the receiver a central light source L 'may be provided.
- R2 Before the Receiver area 4 or 5 of each receiver R1, R2 is a Aperture slit A1 or A2 is provided in the beam path between the thread Y or the scanning zone 3 and each receiver surface 4 and 5.
- the two aperture slots A1 and A2 are, for example, of the same size, have the same geometric configuration and a cross-sectional main axis 6 and one each secondary axis 7 lying perpendicular to it.
- the aperture slots For example, A1, A2 are approximately 1 with a length of approximately 4 mm mm wide.
- aperture slit A2 is the aperture slit A2 with its Main axis 6 to that defined by the two receivers R1, R2 Main direction aligned while the aperture slit A1 runs perpendicular to this, with an extension of the aperture slot A2 cuts the aperture slit A1 approximately in the middle.
- Both aperture slots A1, A2 could be relative to each other also be twisted, but it is important that they are together include an acute angle up to a maximum of 90 °.
- 2A and 2B illustrate the side views of two Design variants of the sensor device according to FIG. 1.
- 2A are the light source L and the two receivers R1, R2 on the same side of the scanning zone 3, under the there is an element 8, either as a reflector or is designed as a light absorber. Between element 8 and an at least partially translucent cover 10 a passage gap is defined for the Y thread.
- the Light source L and the two receivers R1, R2 are taken into account certain light reflection angle to each other aligned. Both receivers R1, R2 are based on that of the Light source L illuminated scanning zone 3 and aligned reflected by the reflection light.
- Each receiver R1, R2 is an aperture slit A1, A2, e.g. in an aperture element 9, upstream.
- each receiver R1, R2 speaks to that Light variation on. Both receivers R1, R2 are connected to an evaluation circuit C (Fig. 2B) connected by the differential principle works and from the difference of photoelectric Response signals of the receiver R1, R2 a useful signal generated.
- element 8 absorbs the light from the light source L, then the receivers R1, R2 speak to that reflected by the thread Y. Light on.
- the 2B operates according to the Light barrier principle, i.e. the light from the light source L ' passes through the scanning zone 3 and meets the receivers R1, R2, corresponding to the passage of the Y thread the outline of the Y thread.
- the receivers R1, R2 of Fig. 2A or 2B matched to the light coming from the light source L. are in the absence of the thread Y by the Aperture slots A1, A2 limited area of the receiver surfaces 4, 5 fully loaded with light.
- the evaluation circuit C results from the difference of the response signals of both Receiver R1, R2 the value zero or a constant signal value (e.g. a voltage value).
- the thread Y passes the scanning zone 3 in the direction of arrow 1, then the by the Aperture slit A1 limited area on the receiver surface 4 of the receiver R1 at least partially shadowed, and later also the one limited by the aperture slit A2 Area on the receiver area of the second receiver R2.
- the sensor device S is a trigger sensor Thread delivery device that has a thread supply on a storage area B. 13 of several, preferably axially spaced, Thread turns carries from which the thread Y over a pull-off edge 12 is withdrawn in the direction of an arrow 2, wherein the thread Y rotates in the direction of arrow 1 and the receiver R1, R2 with their front diaphragm slots A1, A2 happens.
- Thread delivery device varies the axial position of the limit 14 considerable (double arrow 15).
- Thread withdrawal also the longitudinal direction D in the area of the receiver R1, R2 between an almost axial position and one Almost circumferentially oriented position can vary. This is indicated by the arrows D.
- the position of the thread longitudinal direction D in the scanning zone of the sensor device mainly because of the order of the two aligned with each other at an acute angle Aperture slits A1, A2, from one thread passage won a meaningful useful signal as an indication that a Thread turn has been withdrawn and when it was withdrawn has been.
- the aperture slots A1, A2 are in the form of a T. arranged, the crossbar of the T adjacent the trigger edge 12 and is aligned in the circumferential direction.
- the dashed line also indicates that the reverse is also used Arrangement of the aperture slots A1, A2 is possible, or even (indicated on the left and dashed lines) an inclined position of both Aperture slots A1, A2 with respect to the circumferential Deduction margin 12.
- the aperture slits A1 are shorter than the diameter of the circular receiver area each Receiver R1, R2. But it is also conceivable, the aperture slots to train the same length or even longer than that Diameter of the receiver surfaces.
- FIG. 4 schematically illustrates a selection of possible shapes for the aperture slots A1, A2.
- a rectangular shape is conceivable with the cross-sectional and major axis 6 and the cross-sectional and main axis 7, which are perpendicular to the cross-sectional main axis 6 lies. It is also possible to cover the slits A1, A2 oval, double concave or double convex each in view of the fact that the outline of the to be detected Fadens in its full size as quickly as possible over the Aperture slot is or the aperture slot if possible leaves quickly to get a strong useful signal strong frequency component or a strong modulation.
- 5A, 5B is a concrete embodiment of a weft measuring memory device F shown. These devices have been around have long been known and are used, for example, to deliver a Weft thread used for a jet loom, the Measurement storage device F in addition to the task, one for the respective pattern of sufficiently large thread supply for pulling off to keep ready with constant pull voltage, too the task accomplished, the respective peelable weft length limit to an adjustable value.
- a drive shaft 16 is rotatably mounted on the a storage body B, e.g. a bar drum or bar cage 20 from several axially extending and in the circumferential direction spaced rods 21, in turn is rotatably mounted.
- a housing 23 is attached in which in addition a stop device with a stop element 24 as a trigger sensor serving optoelectronic sensor device S housed is.
- the thread is pulled under the housing 23.
- the stop element 24th extended as soon as no thread may be drawn off. Becomes however, thread is required, then the stop element 24 is withdrawn and the thread pulled off.
- the sensor device S registers each winding is subtracted and transmits a Representing the point in time and the occurrence of a passage Useful signal to the control device 19 before reaching of the thread length to be withdrawn, the stop element 24 again indent.
- the distance can be adjusted with an adjusting device V. adjust the rods 21 from the axis of the device, and hence the length of each thread turn.
- a block-shaped holder 26 e.g. a Plastic molding, has a storage body B facing lower surface 27. Three channels open into surface 27 28, 29 and 30.
- the light source L is arranged in the channel 30.
- the channels R1 and R2 are in the channels 28 and 29 intended.
- the aperture slots A1, A2 are formed.
- a translucent cover plate 31 is arranged on the surface 27 be.
- the channel 30 is up with respect to a radial plane the drive shaft 16 is set at an angle ⁇ 3 of approximately -27 °, while the channel 28 with an angle ⁇ 2 of approximately + 22 ° and the channel 29 inclined at an angle ⁇ 1 of approximately + 32 ° is.
- the axes of all three channels are aimed in the scanning zone 3.
- the trigger sensor S is expedient in the direction of rotation of the thread immediately after pulling off Stop element 24 arranged.
- the aperture slots A1, A2 could be in aperture plates (in Fig. 3 indicated), which are in their rotational positions have it adjusted, e.g. depending on the direction of rotation of the Drive shaft or taking into account the respective thread geometry optimal deduction of the relative positions when subtracting the aperture slots A1, A2 relative to each other and in To make reference to the axis of the memory body. Also, both aperture slots A1, A2 could be combined in one for tuning rotatable aperture plates with fixed mutual Assignment should be provided.
Description
- Fig. 1
- eine schematische Draufsicht auf eine Sensorvorrichtung,
- Fig. 2A,B
- Seitenansichten, teilweise im Schnitt, der Sensorvorrichtung von Fig. 1,
- Fig. 3
- eine Schemadarstellung einer als Abzugssensor eines Fadenliefergerätes ausgebildeten Sensorvorrichtung,
- Fig. 4
- eine Auswahl möglicher Formen für die Blendenschlitze, die in den Fig. 1, 3 und 7 benutzt werden können,
- Fig. 5A
- eine Seitenansicht eines Schußfaden-Meßspeichergeräts,
- Fig. 5B
- eine zur Fig. 5A gehörige Frontansicht,
- Fig. 6
- einen Längsschnitt eines Details zu Fig. 5A, und
- Fig. 7
- eine Druntersicht zu Fig. 6.
Claims (15)
- Optoelektronische Sensorvorrichtung (S) zum Feststellen des Durchgangs eines sich quer zu seiner Längsrichtung (D) durch eine Abtastzone (3) bewegenden Fadens (Y), mit einer die Abtastzone beleuchtenden Lichtquelle (L, L') und wenigstens einem auf Lichtvariationen ansprechenden, auf die Abtastzone ausgerichteten Empfänger (R1, R2), der an eine elektrische Auswerteschaltung (C) angeschlossen ist, und mit einem zwischen dem Faden (Y) und der Empfängerfläche (4, 5) des Empfängers angeordneten Blendenschlitz (A1, A2), dadurch gekennzeichnet, daß mindestens zwei nahe nebeneinanderliegende Empfänger (R1, R2) auf die Abtastzone (3) ausgerichtet sind, deren Empfängerflächen (4, 5) jeweils ein Blendenschlitz (A1, A2) vorgesetzt ist, daß jeder Blendenschlitz (A1, A2) eine geometrische Konfiguration mit einer langen Querschnitts-Hauptachse (6) und einer dazu senkrechten kurzen Querschnitts-Nebenachse (7) aufweist, und daß die Blendenschlitze (A1, A2) mit der Querschnitts-Hauptachse (6) des einen Blendenschlitzes (A1) unter einem spitzen Winkel von maximal 90° quer zur Querschnittshauptachse des benachbarten Blendenschlitzes (A2) angeordnet sind.
- Sensorvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß jede Empfängerfläche (4, 5) in Lichteinfallsrichtung annähernd kreisförmig ist, und daß die Länge der Querschnitts-Hauptachse des vorgesetzten Blendenschlitzes (A1, A2) kürzer ist als der Durchmesser der Empfängerfläche.
- Sensorvorrichtung nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß beide Empfänger (R1, R2) gemeinsam an die als Differentialschaltung ausgebildete Auswerteschaltung (C) angeschlossen sind.
- Schußfaden-Meßspeichergerät (F) mit einer optoelektronischen Sensorvorrichtung (S) als Abzugssensor eines umlaufend und überkopf von einem Speicherkörper (B) abziehbaren Schußfadens (Y), wobei die Sensorvorrichtung mindestens zwei in Axialrichtung des Speicherkörpers (B) hintereinander angeordnete optoelektronische Empfänger (R1, R2), wenigstens eine Lichtquelle (L) zum Beleuchten einer Abtastzone (3) auf dem Speicherkörper, und eine elektronische Auswerteschaltung (C) aufweist, mit der bei jedem Durchgang des Schußfadens (Y) durch die Abtastzone (3) aus an den Empfängern auftretenden Lichtvariationen ein Nutzsignal erzeugbar ist, dadurch gekennzeichnet, daß zwischen der Abtastzone (3) und jedem Empfänger (R1, R2) ein Blendenschlitz (A1, A2) vorgesehen ist, und daß der eine Blendenschlitz (A1) relativ zum anderen Blendenschlitz (A2) unter einem spitzen Winkel von bis zu maximal 90° angeordnet ist.
- Meßspeichergerät nach Anspruch 4, dadurch gekennzeichnet, daß der eine Blendenschlitz (A1) in Umfangsrichtung und der andere Blendenschlitz (A2) in Axialrichtung des Speicherkörpers (B) verläuft.
- Meßspeichergerät nach Anspruch 4, dadurch gekennzeichnet, daß eine gedachte Verlängerung des einen Blendenschlitzes (A2) den anderen Blendenschlitz (A1) schneidet.
- Meßspeichergerät nach Anspruch 5, dadurch gekennzeichnet, daß die beiden Blendenschlitze (A1, A2) in der Form eines T angeordnet sind.
- Meßspeichergerät nach wenigstens einem der Ansprüche 4 bis 7, dadurch gekennzeichnet, daß beide Blendenschlitze (A1, A2) rechteckige, doppelt konkave oder doppelt konvexe Form aufweisen.
- Meßspeichergerät nach wenigstens einem der Ansprüche 4 bis 8, dadurch gekennzeichnet, daß beide Blendenschlitze (A1, A2) gleich groß sind.
- Meßspeichergerät nach wenigstens einem der Ansprüche 4 bis 9, dadurch gekennzeichnet, daß die Blendenschlitze (A1, A2) relativ zu allen beim Fadenabzug möglichen Lagen der Fadenlängsrichtung (D) in der Abtastzone (3) derart angeordnet sind, daß eine geometrisch oder zeitlich gleiche Bewegung des Fadens (Y) über beide Blendenschlitze (A1, A2) ausgeschlossen ist.
- Meßspeichergerät nach Anspruch 4, dadurch gekennzeichnet, daß auf dem Speicherkörper (B) unterhalb der Abtastzone (3) ein Reflektor (8) vorgesehen ist, daß in einem außerhalb des Speicherkörpers (B) stationär angeordneten Gehäuse (23) ein blockförmiger Halter (26) angeordnet ist, der eine der Abtastzone (3) zugewandte Fläche (27) besitzt, in die auf die Abtastzone (3) zielende Kanäle (28, 29, 30) von wenigstens einer im Halter angeordneten Lichtquelle (L) und von zwei im Halter angeordneten Empfängern (R1, R2), vorzugsweise Fotodioden, münden, und daß die Mündungen der Kanäle (28, 29) von den Empfängern (R1, R2) als Blendenschlitze (A1, A2) mit annähernd rechteckiger Konfiguration ausgebildet sind.
- Meßspeichergerät nach Anspruch 11, dadurch gekennzeichnet, daß die Kanäle (28, 29, 30) in einer gemeinsamen Axialebene (16') des Speicherkörpers (B) liegen, daß der Kanal (30) von der Lichtquelle (L) bezüglich einer Radialebene (X) des Speicherkörpers (B) um ca. -27° geneigt ist, und daß der eine Kanal (28) vom einen Empfänger (R2) unter ca. +22° und der andere Kanal (29) vom anderen Empfänger (R1) unter ca. +32° gegenüber der Radialebene geneigt sind.
- Meßspeichergerät nach den Ansprüchen 11 und 12, dadurch gekennzeichnet, daß an der Fläche (27) des Halters (26) eine lichtdurchlässige Abdeckscheibe (31) angeordnet ist.
- Meßspeichergerät nach Anspruch 11, dadurch gekennzeichnet, daß der in Axialrichtung des Speicherkörpers (B) gesehene Abstand zwischen den Blendenschlitzen (A1, A2) in etwa der Breite jedes Blendenschlitzes (A1, A2) entspricht.
- Meßspeichergerät nach wenigstens einem der Ansprüche 4 bis 14, dadurch gekennzeichnet, daß jeder Blendenschlitz (A1, A2) oder beide Blendenschlitze (A1, A2) in einem Blendenplättchen ausgeschnitten ist bzw. sind, das mit wählbarer, vorzugsweise verstellbarer, Drehposition in einer Fassung, vorzugsweise in der Fläche (27) des Halters (26) oder in der Mündung einer der Kanäle (28, 29), gehaltert ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19525260A DE19525260A1 (de) | 1995-07-11 | 1995-07-11 | Optoelektronische Steuervorrichtung und Schußfaden-Meßspeichergerät |
DE19525260 | 1995-07-11 | ||
PCT/EP1996/002975 WO1997003012A1 (de) | 1995-07-11 | 1996-07-05 | Optoelektronische sensorvorrichtung und schussfaden-messspeichergerät |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0837829A2 EP0837829A2 (de) | 1998-04-29 |
EP0837829B1 true EP0837829B1 (de) | 1999-09-29 |
Family
ID=7766556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96923976A Expired - Lifetime EP0837829B1 (de) | 1995-07-11 | 1996-07-05 | Optoelektronische sensorvorrichtung und schussfaden-messspeichergerät |
Country Status (7)
Country | Link |
---|---|
US (1) | US5966211A (de) |
EP (1) | EP0837829B1 (de) |
JP (1) | JP2915147B2 (de) |
KR (1) | KR100293027B1 (de) |
CN (1) | CN1084285C (de) |
DE (2) | DE19525260A1 (de) |
WO (1) | WO1997003012A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19612953A1 (de) * | 1996-04-01 | 1997-10-02 | Iro Ab | Optoelektronische Vorrichtung |
AT404028B (de) * | 1996-10-29 | 1998-07-27 | United Container Machinery Gro | Verfahren zum behandeln von riffelwalzen mit einem mit sauerstoff und brennstoff gespeisten thermischen spritzstrahl hoher geschwindigkeit |
EP1290440B1 (de) * | 2000-05-31 | 2012-06-06 | Uster Technologies AG | Verfahren und vorrichtung zur erkennung von fremdstoffen in einem längsbewegten fadenförmigen produkt |
SE0400992D0 (sv) * | 2004-04-15 | 2004-04-15 | Iropa Ag | Garnmatare |
SE0401676D0 (sv) * | 2004-06-29 | 2004-06-29 | Iropa Ag | Optoelektronisk garngivar-anordning |
DE102007037004A1 (de) | 2007-08-06 | 2009-02-26 | Memminger-Iro Gmbh | Vielseitige Fadensensoreinheit |
DE102008000610B4 (de) * | 2008-03-12 | 2016-03-17 | Rieter Ingolstadt Gmbh | Sensor für eine Textilmaschine |
JP2011157196A (ja) * | 2010-02-02 | 2011-08-18 | Murata Machinery Ltd | 糸巻取機 |
IT1402928B1 (it) * | 2010-12-13 | 2013-09-27 | Roj S R L | Porgitrama per telaio tessile |
ITMI20100390U1 (it) * | 2010-12-23 | 2011-03-24 | Roj Srl | Gruppo di sensori ottici a rilessione in un porgitrama per telai tessili. |
CN103437043A (zh) * | 2013-08-20 | 2013-12-11 | 海安金太阳纺织有限公司 | 可调控传纱角度的储纬器 |
CN103698277A (zh) * | 2013-12-06 | 2014-04-02 | 浙江师范大学 | 一种微细物体的差动检测方法 |
CN107285112B (zh) * | 2017-08-04 | 2019-04-23 | 国网四川省电力公司广元供电公司 | 基于自动控制技术的履带式牵引装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1271483A (fr) * | 1959-05-06 | 1961-09-15 | Zellweger Uster Ag | Procédé et dispositif permettant de déceler les variations d'épaisseur des matières textiles |
FR1345166A (fr) * | 1961-10-31 | 1963-12-06 | Sobrevin Soc De Brevets Ind Et | Appareil pour la mesure à haute précision de la longueur d'un fil pendant son enroulement |
GB1124493A (en) * | 1965-05-28 | 1968-08-21 | Kyoto Kikai Kabushiki Kaisha | Apparatus for detecting weft strains of textiles |
GB1283528A (en) * | 1968-12-18 | 1972-07-26 | Crabtree Engineering Group Col | An improved method and apparatus for detecting yarns |
US3772524A (en) * | 1972-01-03 | 1973-11-13 | Leesona Corp | Digitalized speed sensitive moving strand detection apparatus |
US4112665A (en) * | 1977-06-23 | 1978-09-12 | Parks-Cramer Company | Plural sensor ends down detecting apparatus |
JPS5488382A (en) * | 1977-12-21 | 1979-07-13 | Seiren Co Ltd | Detecting method of bowing |
CH675133A5 (de) * | 1987-07-06 | 1990-08-31 | Zellweger Uster Ag | |
KR0168837B1 (ko) * | 1988-12-07 | 1999-03-30 | 스티그-아트네 블롬 | 광전자 검출장치를 구비한 원사저장 및 송출장치 |
DE4037575A1 (de) * | 1990-11-26 | 1992-05-27 | Iro Ab | Optische fuehleinrichtung |
JPH0656313A (ja) * | 1991-05-14 | 1994-03-01 | Fuji Xerox Co Ltd | シート検出装置 |
IT1248072B (it) * | 1991-06-17 | 1995-01-05 | Tiziano Barea | Metodo per lo stato di un filo alimentato ad una macchina tessile attraverso il rilevamento del suo spostamento di fronte ad un sensore ottico e dispositivo cosi` ottenuto. |
-
1995
- 1995-07-11 DE DE19525260A patent/DE19525260A1/de not_active Withdrawn
-
1996
- 1996-07-05 EP EP96923976A patent/EP0837829B1/de not_active Expired - Lifetime
- 1996-07-05 US US08/983,311 patent/US5966211A/en not_active Expired - Fee Related
- 1996-07-05 WO PCT/EP1996/002975 patent/WO1997003012A1/de active IP Right Grant
- 1996-07-05 DE DE59603233T patent/DE59603233D1/de not_active Expired - Fee Related
- 1996-07-05 CN CN96195402A patent/CN1084285C/zh not_active Expired - Lifetime
- 1996-07-05 KR KR1019970710003A patent/KR100293027B1/ko not_active IP Right Cessation
- 1996-07-05 JP JP9505491A patent/JP2915147B2/ja not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
JP2915147B2 (ja) | 1999-07-05 |
WO1997003012A1 (de) | 1997-01-30 |
DE19525260A1 (de) | 1997-01-16 |
CN1190379A (zh) | 1998-08-12 |
KR100293027B1 (ko) | 2001-11-15 |
CN1084285C (zh) | 2002-05-08 |
EP0837829A2 (de) | 1998-04-29 |
JPH10511069A (ja) | 1998-10-27 |
US5966211A (en) | 1999-10-12 |
KR19990028680A (ko) | 1999-04-15 |
DE59603233D1 (de) | 1999-11-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0837829B1 (de) | Optoelektronische sensorvorrichtung und schussfaden-messspeichergerät | |
DE2839439A1 (de) | Verfahren und vorrichtung zum bestimmen des verschlingungsgrades in multifilamentgarnen aus miteinander verschlungenen einzelfilamenten | |
CH639768A5 (de) | Photoelektrischer spulenfuehler zum detektieren des bewicklungszustands einer textilspule. | |
EP0658507B1 (de) | Verfahren zum Ermitteln eines Fadenvorrats in einer Fadenspeicher- und -liefervorrichtung, und Fadenspeicher- und -liefervorrichtung | |
DE2533754A1 (de) | Verfahren und vorrichtung zum verarbeiten von straengen | |
EP0740639B1 (de) | Verfahren und vorrichtung zur erkennung einer fadenaufspulung auf einer rotierenden walze | |
EP0868382B1 (de) | Verfahren zum überwachen der abtastverhältnisse beim steuern einer fadenliefervorrichtung | |
DE2653298A1 (de) | Pruefvorrichtung zum pruefen der enden von zigaretten | |
DE2813887A1 (de) | Verfahren und vorrichtung zum aufwickeln eines vorgarnes auf die voreilend angetriebene spule einer vorspinnmaschine mit konstanter spannung | |
DD268007A5 (de) | Verfahren und vorrichtung zur on-line produktions- und qualitaetsueberwachung an textilmaschinen | |
CH648118A5 (de) | Vorrichtung zum messen der laenge eines auf einem wickel aufgespulten endlosen materials. | |
CH709887B1 (de) | Näh- oder Stickmaschine. | |
EP0891564B1 (de) | Optoelektronische vorrichtung | |
EP1225149B1 (de) | Vorrichtung an einem Direkt-Rovingwickler zum berührungslosen Erfassen des Istdurchmessers der Rovingspule und Direkt-Rovingwickler mit einer solchen Vorrichtung | |
DE4300581C2 (de) | Vorrichtung zur fotoelektrischen Überwachung | |
DE3135452C2 (de) | ||
CH557538A (de) | Photoelektrische einrichtung zum optischen abtasten von objekten. | |
DE3527424C2 (de) | ||
DE60013683T2 (de) | Verfahren und Vorrichtung zur Steuerung von Rotationssignale des Fadenzuführungsrohr in Fadenliefervorrichtungen für Webmaschinen | |
CH680862A5 (en) | Section warping machine - has appts., e.g. laser, for contactless measurement of roll thickness on the pressure area of a press roll pressing against the roll, etc. | |
DE3907583C2 (de) | ||
WO1996028594A1 (de) | Liefervorrichtung | |
DE4240653B4 (de) | Vorrichtung zur Trennung und/oder Bearbeitung eines Fadenendes | |
DE3419677C2 (de) | ||
DE3529110C1 (en) | Device for sensing the free end of a weft thread flying through the shed of a weaving machine by means of compressed air or the like |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19980105 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): BE CH DE FR GB IT LI NL SE |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
17Q | First examination report despatched |
Effective date: 19980331 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): BE CH DE FR GB IT LI NL SE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 19990929 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: NV Representative=s name: BOVARD AG PATENTANWAELTE Ref country code: CH Ref legal event code: EP |
|
REF | Corresponds to: |
Ref document number: 59603233 Country of ref document: DE Date of ref document: 19991104 |
|
ITF | It: translation for a ep patent filed |
Owner name: JACOBACCI & PERANI S.P.A. |
|
ET | Fr: translation filed | ||
GBV | Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed] |
Effective date: 19990929 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20020719 Year of fee payment: 7 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 20020723 Year of fee payment: 7 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20030706 |
|
EUG | Se: european patent has lapsed | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040331 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 20040727 Year of fee payment: 9 Ref country code: BE Payment date: 20040727 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 20040802 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20040830 Year of fee payment: 9 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050731 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050731 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050731 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060201 Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060201 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee |
Effective date: 20060201 |
|
BERE | Be: lapsed |
Owner name: *PICANOL N.V. Effective date: 20050731 Owner name: *IRO A.B. Effective date: 20050731 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20120724 Year of fee payment: 17 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20130705 |