CH624363A5 - Optoelectronic device for detecting the breakage of a yarn running in a linear fashion through a beam - Google Patents

Optoelectronic device for detecting the breakage of a yarn running in a linear fashion through a beam Download PDF

Info

Publication number
CH624363A5
CH624363A5 CH525578A CH525578A CH624363A5 CH 624363 A5 CH624363 A5 CH 624363A5 CH 525578 A CH525578 A CH 525578A CH 525578 A CH525578 A CH 525578A CH 624363 A5 CH624363 A5 CH 624363A5
Authority
CH
Switzerland
Prior art keywords
photo
amplifier
detecting
wire
frequency
Prior art date
Application number
CH525578A
Other languages
English (en)
French (fr)
Inventor
Marcel Lefebvre
Original Assignee
Telemecanique Electrique
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 Telemecanique Electrique filed Critical Telemecanique Electrique
Publication of CH624363A5 publication Critical patent/CH624363A5/fr

Links

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
    • B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
    • B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
    • B65H63/028—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element
    • B65H63/032—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic
    • B65H63/0321—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic using electronic actuators
    • B65H63/0324—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic using electronic actuators using photo-electric sensing means, i.e. the defect signal is a variation of light energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Electronic Switches (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
CH525578A 1977-05-18 1978-05-16 Optoelectronic device for detecting the breakage of a yarn running in a linear fashion through a beam CH624363A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7716222A FR2391141A1 (fr) 1977-05-18 1977-05-18 Dispositif opto-electronique de detection de la rupture d'un fil defilant lineairement dans le faisceau

Publications (1)

Publication Number Publication Date
CH624363A5 true CH624363A5 (en) 1981-07-31

Family

ID=9191343

Family Applications (1)

Application Number Title Priority Date Filing Date
CH525578A CH624363A5 (en) 1977-05-18 1978-05-16 Optoelectronic device for detecting the breakage of a yarn running in a linear fashion through a beam

Country Status (4)

Country Link
JP (1) JPS542437A (de)
CH (1) CH624363A5 (de)
DE (1) DE2821792A1 (de)
FR (1) FR2391141A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU181132B (en) * 1980-05-28 1983-06-28 Csepel Muevek Jarmue Detector pin for sewing machine of short chain stitch
JPS5713327A (en) * 1980-06-27 1982-01-23 Laurel Bank Mach Co Ltd Optical detector
DD206659A3 (de) * 1981-07-16 1984-02-01 Textima Veb K Vorrichtung zur fadenueberwachung in einer textilmaschine
IT1161584B (it) * 1982-03-31 1987-03-18 Singer Co Sistema rivelatore e indicatore di esaurimento del filo di bobina
DE3603649A1 (de) * 1986-02-06 1987-08-13 Baer Maschf Josef System zur ueberwachung der fadenzufuehrung bei wickelmaschinen, insbesondere fuer die roving-wickeltechnik
JPH0257496U (de) * 1988-07-05 1990-04-25
US5725165A (en) * 1993-07-17 1998-03-10 W. Schlafhorst Ag & Co. Method of monitoring the moving yarn at a winding station of an automatic winding frame
DE4323994C2 (de) * 1993-07-17 2001-02-22 Schlafhorst & Co W Verfahren zum Überwachen des laufenden Fadens an einer Spulstelle einer automatischen Spulmaschine

Also Published As

Publication number Publication date
FR2391141A1 (fr) 1978-12-15
JPS542437A (en) 1979-01-10
FR2391141B1 (de) 1980-09-19
JPS5520975B2 (de) 1980-06-06
DE2821792A1 (de) 1978-11-23

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Legal Events

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PL Patent ceased