EP1302426A2 - Garnsensor - Google Patents
Garnsensor Download PDFInfo
- Publication number
- EP1302426A2 EP1302426A2 EP02021200A EP02021200A EP1302426A2 EP 1302426 A2 EP1302426 A2 EP 1302426A2 EP 02021200 A EP02021200 A EP 02021200A EP 02021200 A EP02021200 A EP 02021200A EP 1302426 A2 EP1302426 A2 EP 1302426A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- coating
- yarn sensor
- housing
- yarn
- layer
- 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.)
- Granted
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
- B65H63/02—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
-
- 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
- B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
- B65H63/062—Electronic slub detector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/513—Modifying electric properties
- B65H2301/5133—Removing electrostatic charge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/53—Auxiliary process performed during handling process for acting on performance of handling machine
- B65H2301/5305—Cooling parts or areas of handling machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2401/00—Materials used for the handling apparatus or parts thereof; Properties thereof
- B65H2401/10—Materials
- B65H2401/13—Coatings, paint or varnish
-
- 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
Definitions
- the invention relates to a yarn sensor for monitoring at least one parameter of a running thread after the Preamble of claim 1.
- Yarn sensors are available in various designs Workplaces of textile machines, for example spinning or Winding machines.
- metallic housings are used in the electronic Components are installed.
- Die casting as opposed to the die casting process, for example a machining production significantly cheaper is.
- Suitable metals for die casting are aluminum, zinc or Magnesium.
- Aluminum is advantageously light, but it has Disadvantage that with this material in the die casting process do not let fine contours develop.
- Zinc does allow because of its lower viscosity, the formation is finer Contours, but is more than twice as heavy as aluminum and very brittle. Fine contours can be created with magnesium train, and this material is almost as light as Aluminum, but magnesium is not against exposure to air resistant and subject to oxidation.
- plastic is selected as the material, the Avoid the aforementioned disadvantages.
- plastic housings can take advantage of low Material costs, low manufacturing costs, light weight as well as chemical resistance. Training fine contours is easily possible.
- One as an insulator acting plastic favors static charges, that can arise from the fact that generated by friction electrical charge from the passing yarn to the yarn sensor is delivered. With capacitive measurement you can do this unwanted measurement errors occur.
- Such a static charge should, for example, with a Yarn measuring device according to US Patent 3,377,852 avoided be whose block-shaped body made of insulating material consists.
- the surface in the measuring gap including the surface of the electrodes arranged there is covered with a thin layer that is considered weak insulating material is called. Electric charges should be distributed with the help of this layer in the measuring gap and be broken down slowly.
- the insulation effect respectively the electrical conductivity of the layer should be measured in this way be that in no case as an extension of the Electrode surface acts, as this leads to a falsification of the Can result in measurement.
- the necessary function the measuring device is no longer present when the electrical resistance of the layer is too low.
- the generic EP 0 401 600 A2 discloses a measuring head for measuring or monitoring parameters of a running yarn that is injected from plastic Has housing.
- the measuring head combines an optical one and a capacitive measuring device, both of which are common in the Housing are arranged.
- a carrier plate with the components for optical and capacitive measurement is in the housing inserted and screwed to it.
- the light source and the Light receivers are against the measuring gap by a Disc covered.
- the capacitor plates for the capacitive Measurement are considered to be electrically conductive, translucent Layer of metal applied to or in the disks embedded.
- the invention has for its object the properties known yarn sensors with a housing made of non-conductive Improve plastic.
- the processors and the measuring range in the measuring gap is also satisfactory against the Influence of electrical or magnetic fields shielded.
- the coating of the housing forms one effective Faraday cage. Falsification of the measurement result foreign fields are avoided.
- At least part of it the surface in the measuring gap is free of the coating, can be the rays or field lines used for the measurement unhindered from the sending measuring device to the receiving one Spread out measuring element. A hindrance or falsification of the Beam path or the field line course through the coating, which can lead to incorrect measurement results, is avoided.
- the yarn sensor is connected to a heat conductor so that Heat can be dissipated well via the metallic coating.
- this can be as large as possible Contact surface between the coated according to the invention Yarn sensor and one on the metallic machine frame attached bracket. In this way, one can Achieve high heat dissipation, with which one Temperature increase can be counteracted. The Maintaining high measurement accuracy can be done in this way be secured.
- At least part of the Coating with the help of a galvanic Coating process has been applied.
- a galvanic Coating process delivers particularly uniform and complete, gapless coatings that stand out inexpensively on a chemically applied base layer have it made.
- the non-conductive surface of one too coating body becomes one Undergone preparatory treatment.
- the Preparatory treatment can consist of a mechanical Micro-roughening by sandblasting and immersion in one chemical treatment bath that is suitable in itself to make water-repellent surfaces water-absorbent, consist.
- a subsequently chemically formed metallic Precipitation can be the basis for an electrolytic build-up of one or more applied metallic layers form.
- the thickness of the base layer should not be 5 m ⁇ exceed.
- the coating preferably has one Copper layer with an overlying top layer Nickel or chrome. This way, the excellent Thermal conductivity and the high electrical conductivity of the Copper with beneficial properties of nickel or chrome, like wear protection or magnetic shielding, combined.
- the thickness of the coating according to claim 5 is advantageous between 5 ⁇ m and 20 ⁇ m. On the one hand, this is a good thing adherent coating with a relatively limited duration of Coating process can be produced, and on the other hand is a desired effect or function of the coating achievable to a sufficient extent.
- the resilience of the surface of the plastic case against mechanical attack such as abrasion or scratches can be increased by coating the surface.
- the housing can consist of several parts that form one Unit are assembled.
- the yarn sensor 1 shown in Figure 1 has a housing on that a box-shaped base body 2 with removable Cover 3 includes.
- a measuring device 4 is located in the base body 2 arranged with a measuring gap 5 through which the thread during the measurement runs in the longitudinal direction.
- the surface of the Measuring gap 5 is not in the embodiment of Figure 1 metallic coated.
- Both the base body 2 and the Cover 3 each have a recess 6, 7, the Position is matched to the measuring gap 5.
- the measuring device 4 works with a light source 8 and an optical sensor 9, each via line 10 and the line 11 are connected to the processor 12.
- the Processor 12 is attached to the bottom of the base body 2 and as so-called ASIC trained. After merging The main body 2 and cover 3 are the processor 12 in the cavity thus formed inside the closed Yarn sensor 1.
- the Yarn sensor 1 can also have more than one processor for signal and Data processing can be arranged in the housing.
- the processor 12 is connected via line 13 to the Central control not shown for reasons of simplification connected to the textile machine.
- the line 13 serves next to the transmission of signals and data additionally the Power supply.
- the surface of the base body 2 and the Cover 3 is coated with metal. The coating covers both the outer and the inner of the cavity facing surface of the housing. The coated Surfaces are shown in both Figure 1 and Figure 2 hatched areas.
- the base body is attached to the holding plate 14, the coated surface directly on the surface of the Retaining plate 14 rests.
- the holding plate 14 acts as Heat conductor.
- Figure 2 shows an alternative embodiment of a yarn sensor 25 with a housing, the base body 15 in one piece is trained.
- the package 15 has a measuring gap 16 through which the thread 17 passes.
- the surface of the Base body 15 is largely coated with metal. Only in the measuring area 18 of the measuring gap 16 is the Surface not coated. This is said to be an undesirable Influencing the measurement result, especially with capacitive Measurement, be avoided.
- the base body 15 of the housing is over the retaining plate 19 with the for simplicity's sake shown frame of the textile machine connected. The data as well the signal transport between the yarn sensor 25 and the Central control of the textile machine takes place via the Line 20.
- the coated surface of the base body 15 lies flat against the holding plate 19.
- the coating 21 shown in Figure 3 consists of three Layers 22, 23, 24 on the base body 2 of the housing have been applied.
- the one in a chemical process applied base layer 22 is a nickel layer with a Thickness between 0.5 ⁇ m and 1 ⁇ m.
- a cover layer 24 Nickel is also applied electrolytically.
- the thickness of the Copper layer 23 is about 50 percent of the total Coating.
- the coating of base body 2 and cover 3 of the Yarn sensor of Figure 1 or the one-piece base body 15th the yarn sensor of Figure 2 provides an effective shield against external electrical or magnetic fields and prevents the measurement results from being falsified by such fields.
- Loss of heat released in the yarn sensor for example from Light source or other electrical components, such as Processors 12, the metallic coating 21 on the holding plate 14, 19 or the machine frame and dissipated to the surrounding atmosphere.
- the cover layer 24 made of nickel offers one compared to the Plastic surface significantly improved protection against Wear. Even compared to a surface that is made of Copper, nickel offers better wear protection. Instead of a cover layer made of nickel as the outer surface alternatively, a top layer made of chrome can be applied.
- the shape of the housing a yarn sensor can vary.
- the housing to be coated can have, for example, a shape like that in FIG Housing shown in EP 0 945 533 A1, EP 0 945 533 A1 but no coating according to the invention can be seen.
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Treatment Of Fiber Materials (AREA)
- Multicomponent Fibers (AREA)
Abstract
Description
- Fig. 1
- ein geöffnetes Gehäuse mit Abdeckung in vereinfachter perspektivischer Darstellung,
- Fig. 2
- ein einstückiges Gehäuse in perspektivischer Prinzipdarstellung,
- Fig. 3
- eine Teilansicht einer beschichteten Oberfläche im Schnitt.
Claims (5)
- Garnsensor zur Überwachung von mindestens einem Parameter eines laufenden Fadens mit einem Meßspalt und mit einem Gehäuse, das aus nicht leitendem Kunststoffmaterial gebildet ist und elektronische Bauelemente einschließt,
dadurch gekennzeichnet, daß die Gehäuseoberfläche so mit einer metallischen Beschichtung (21) bedeckt ist, daß die elektronischen Bauelemente nach allen Seiten von der Beschichtung (21) umgeben sind und daß wenigstens ein Teil der Oberfläche im Meßspalt (5, 16) frei von der Beschichtung (21) ist. - Garnsensor nach Anspruch 1, dadurch gekennzeichnet, daß die metallische Beschichtung des Garnsensors (1, 25) so mit einem Wärmeleiter verbunden ist, daß Wärme über die metallische Beschichtung (21) ableitbar ist.
- Garnsensor nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Beschichtung (21) aus wenigstens zwei Schichten (22, 23, 24) gebildet ist, wobei die Beschichtung (21) eine chemisch aufgebrachte Basisschicht (22) direkt auf der Oberfläche des Gehäuses und mindestens eine darüber liegende galvanisch aufgebrachte Schicht (23, 24) aufweist.
- Garnsensor nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Beschichtung (21) eine Kupferschicht (23) mit einer darüber liegenden Deckschicht (24) aus Nickel oder Chrom aufweist.
- Garnsensor nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Dicke der Beschichtung (21) zwischen 5 um und 20 µm beträgt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10150581 | 2001-10-12 | ||
| DE10150581A DE10150581A1 (de) | 2001-10-12 | 2001-10-12 | Garnsensor |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1302426A2 true EP1302426A2 (de) | 2003-04-16 |
| EP1302426A3 EP1302426A3 (de) | 2003-09-10 |
| EP1302426B1 EP1302426B1 (de) | 2006-01-11 |
Family
ID=7702394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02021200A Expired - Lifetime EP1302426B1 (de) | 2001-10-12 | 2002-09-25 | Garnsensor |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6957578B2 (de) |
| EP (1) | EP1302426B1 (de) |
| CN (1) | CN100469960C (de) |
| CZ (1) | CZ303931B6 (de) |
| DE (2) | DE10150581A1 (de) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009143642A1 (de) | 2008-05-29 | 2009-12-03 | Uster Technologies Ag | Garnreinigermesskopf mit lösbarem kabelanschluss |
| WO2010063128A1 (de) * | 2008-12-05 | 2010-06-10 | Uster Technologies Ag | Gehäuse für einen garnreinigermesskopf |
| WO2012009820A1 (de) | 2010-07-21 | 2012-01-26 | Uster Technologies Ag | Elektrische schaltung mit verpolungsgeschütztem verbindungsteil |
| CN106429636A (zh) * | 2015-08-12 | 2017-02-22 | 村田机械株式会社 | 纱线监视装置和纱线卷绕机 |
| CN108089066A (zh) * | 2017-12-11 | 2018-05-29 | 中原工学院 | 一种测量电磁屏蔽织物单纱区域电磁参数的方法及装置 |
| CN108169579A (zh) * | 2017-12-11 | 2018-06-15 | 中原工学院 | 电磁屏蔽织物纱线重叠区域电磁参数的测量方法 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004053735A1 (de) * | 2004-11-06 | 2006-05-11 | Saurer Gmbh & Co. Kg | Garnsensor |
| DE102005050057A1 (de) * | 2005-10-19 | 2007-04-26 | Saurer Gmbh & Co. Kg | Gehäuse für eine optische Messvorrichtung und Verfahren zur Herstellung eines Gehäuses |
| DE102008017258A1 (de) * | 2008-04-04 | 2009-10-08 | Oerlikon Textile Gmbh & Co. Kg | Verfahren und Vorrichtung zur optischen Detektion von Fremdfasern in einem längs bewegtem Faserstrang |
| USD651101S1 (en) * | 2010-12-02 | 2011-12-27 | Uster Technologies Ag | Yarn testing apparatus |
| USD675541S1 (en) * | 2010-12-03 | 2013-02-05 | Uster Technologies Ag | Yarn testing apparatus |
| JP2013253342A (ja) * | 2012-06-07 | 2013-12-19 | Murata Mach Ltd | 紡績ユニット及び紡績機 |
| JP2023098143A (ja) * | 2021-12-28 | 2023-07-10 | 村田機械株式会社 | 糸監視装置 |
| LU505548B1 (en) * | 2023-11-16 | 2025-05-19 | Saurer Intelligent Technology AG | Housing and method of assembly |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6406359A (de) * | 1964-06-05 | 1965-12-06 | ||
| IT945791B (it) | 1971-11-12 | 1973-05-10 | Olivetti & Co Spa | Processo di metallizzazione di te stine portacaratteri per disposi tivi di stampa di materie plasti che |
| DE2348687B1 (de) * | 1973-09-27 | 1974-10-31 | Siemens Ag | Steckbares Gehaeuse |
| DE7912156U1 (de) * | 1979-04-26 | 1979-09-27 | Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt | Gehäuse zur Aufnahme einer Steuervorrichtung mit wärmeentwickelnden Elementen für einen Fadenwächter einer Offenend-Spinnstelle |
| DE3424135A1 (de) * | 1984-06-30 | 1986-01-09 | Richard Hirschmann Radiotechnisches Werk, 7300 Esslingen | Meldeeinrichtung zur raumueberwachung |
| EP0322471B1 (de) * | 1987-12-24 | 1991-08-28 | Barco Automation, Naamloze Vennootschap | Einrichtung zum Messen eines Fadens |
| US5013911A (en) * | 1988-05-27 | 1991-05-07 | Oki Electric Industry Co., Ltd. | Optical sensor unit with sealed optical element and cable connector |
| DE3820173A1 (de) * | 1988-06-14 | 1989-12-28 | Wolfgang Stueber | Fadenwaechter fuer textilmaschinen |
| DE3830665C2 (de) * | 1988-09-09 | 1997-08-07 | Siegfried Hillenbrand | Optoelektronische Vorrichtung zur Überwachung von insbes. laufenden textilen Fäden |
| CH678172A5 (de) * | 1989-06-07 | 1991-08-15 | Zellweger Uster Ag | |
| DE3929895A1 (de) * | 1989-09-08 | 1991-03-21 | Skf Textilmasch Komponenten | Fadenbruchdetektor fuer spinn- und zwirnmaschinen |
| JPH0816287B2 (ja) * | 1991-09-20 | 1996-02-21 | 日本セレン株式会社 | 精紡機等の糸切れ検出装置 |
| JPH06503210A (ja) * | 1991-09-21 | 1994-04-07 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 電気装置、特に車両用の切換−及び制御装置 |
| DE9300864U1 (de) * | 1993-01-22 | 1994-05-26 | Siemens AG, 80333 München | Einstückiges Isolierteil, insbesondere Spritzgießteil |
| DE19613135A1 (de) * | 1996-04-01 | 1997-10-02 | Lpw Chemie Gmbh | Verfahren zur galvanotechnischen Metallisierung von Kunststoffoberflächen |
| US6018125A (en) * | 1996-11-15 | 2000-01-25 | Collins; Pat Eliot | High frequency EMI shield with air flow for electronic device enclosure |
| JP4756411B2 (ja) * | 1998-03-25 | 2011-08-24 | ウステル・テヒノロジーズ・アクチエンゲゼルシヤフト | 長手方向に運動するテスト品の特性を測定する装置 |
| WO2001091193A2 (en) * | 2000-05-23 | 2001-11-29 | Atmel Corporation | Integrated ic chip package for electronic image sensor die |
-
2001
- 2001-10-12 DE DE10150581A patent/DE10150581A1/de not_active Withdrawn
-
2002
- 2002-09-25 DE DE50205565T patent/DE50205565D1/de not_active Expired - Lifetime
- 2002-09-25 EP EP02021200A patent/EP1302426B1/de not_active Expired - Lifetime
- 2002-10-11 CN CNB021435936A patent/CN100469960C/zh not_active Expired - Fee Related
- 2002-10-11 CZ CZ20023387A patent/CZ303931B6/cs not_active IP Right Cessation
- 2002-10-11 US US10/269,163 patent/US6957578B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009143642A1 (de) | 2008-05-29 | 2009-12-03 | Uster Technologies Ag | Garnreinigermesskopf mit lösbarem kabelanschluss |
| WO2010063128A1 (de) * | 2008-12-05 | 2010-06-10 | Uster Technologies Ag | Gehäuse für einen garnreinigermesskopf |
| CN102232046B (zh) * | 2008-12-05 | 2013-03-20 | 乌斯特技术股份公司 | 清纱器测量头的外壳 |
| WO2012009820A1 (de) | 2010-07-21 | 2012-01-26 | Uster Technologies Ag | Elektrische schaltung mit verpolungsgeschütztem verbindungsteil |
| CN106429636A (zh) * | 2015-08-12 | 2017-02-22 | 村田机械株式会社 | 纱线监视装置和纱线卷绕机 |
| CN108089066A (zh) * | 2017-12-11 | 2018-05-29 | 中原工学院 | 一种测量电磁屏蔽织物单纱区域电磁参数的方法及装置 |
| CN108169579A (zh) * | 2017-12-11 | 2018-06-15 | 中原工学院 | 电磁屏蔽织物纱线重叠区域电磁参数的测量方法 |
| CN108169579B (zh) * | 2017-12-11 | 2020-04-24 | 中原工学院 | 电磁屏蔽织物纱线重叠区域电磁参数的测量方法 |
| CN108089066B (zh) * | 2017-12-11 | 2020-05-01 | 中原工学院 | 一种测量电磁屏蔽织物单纱区域电磁参数的方法及装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US6957578B2 (en) | 2005-10-25 |
| CN1412362A (zh) | 2003-04-23 |
| CN100469960C (zh) | 2009-03-18 |
| DE10150581A1 (de) | 2003-04-17 |
| CZ303931B6 (cs) | 2013-07-03 |
| US20030070481A1 (en) | 2003-04-17 |
| EP1302426A3 (de) | 2003-09-10 |
| EP1302426B1 (de) | 2006-01-11 |
| DE50205565D1 (de) | 2006-04-06 |
| CZ20023387A3 (cs) | 2003-05-14 |
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