JP2020041251A - 製織用緯糸フィーダ内の緯糸反射型光学センサ - Google Patents
製織用緯糸フィーダ内の緯糸反射型光学センサ Download PDFInfo
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- JP2020041251A JP2020041251A JP2019155841A JP2019155841A JP2020041251A JP 2020041251 A JP2020041251 A JP 2020041251A JP 2019155841 A JP2019155841 A JP 2019155841A JP 2019155841 A JP2019155841 A JP 2019155841A JP 2020041251 A JP2020041251 A JP 2020041251A
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- light
- weft
- optical sensor
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- 230000003287 optical effect Effects 0.000 title claims abstract description 142
- 238000009941 weaving Methods 0.000 title claims abstract description 13
- 230000005855 radiation Effects 0.000 claims abstract description 36
- 238000012216 screening Methods 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 230000035945 sensitivity Effects 0.000 description 14
- 230000008901 benefit Effects 0.000 description 10
- 238000001514 detection method Methods 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000012899 standard injection Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H3/00—Inspecting textile materials
- D06H3/12—Detecting or automatically correcting errors in the position of weft threads in woven fabrics
- D06H3/125—Detecting errors in the position of weft threads
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/28—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication
- G01D5/30—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication the beams of light being detected by photocells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
- G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
- G01V8/14—Detecting, e.g. by using light barriers using one transmitter and one receiver using reflectors
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Looms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
-ドラムDへの糸コイルの進入を検出するための第1光学センサF1;
-ドラムD(図3)上の糸コイルリザーブの完了を検出するための第2の光学センサF2;および
-カーソルCの両側にあって、それぞれドラムD上に緯糸フィーダの反時計回りの回転方向Sに巻かれたまたは時計回りの回転方向Zに巻かれた糸コイルの場合に、ドラムDから出てくるコイルを検出する第3および第4の光学センサF3、F4(図2);
を備える。回転の方向は緯糸フィーダの出口側(図1の左側)を見る観察者に関連する。
Claims (13)
- 製織用緯糸フィーダ(P)の緯糸を検出するための反射型光学センサ(F1〜F4)であって、相対供給プリント回路基板(3)上に組み立てられた発光器(1)と受光器(2)を備え、前記発光器(1)と前記受光器(2)は緯糸フィーダ(P)の前部に向かって突出し且つ偉糸コイルが巻かれる緯糸フィーダドラム(D)に沿って伸びる緯糸フィーダ(P)のアーム(A)に収容され、前記発光器(1)から前記ドラム(D)上に設置されたそれぞれの反射面(R)に向かう直接光放射と前記反射面(R)から前記受光器(2)への反射放射とからなる光路を通る緯糸の有無を検出するように構成される傾向にあった反射型光学センサにおいて、
上記発光器(1)と前記受光器(2)は前記供給プリント回路基板(3)上に互に平行な光軸で組み立てられていること、および
前記光学センサは、前記反射面(R)から到来する前記反射放射を前記受光器(2)の光学検出器に向ける前記反射放射のスクリーニング手段(8)をさらに含んでいること、
を特徴とする反射型光学センサ。 - 前記反射放射線の前記スクリーニング手段は、前記プリント回路基板(3)と結合された遮蔽板(4)に形成されたスクリーニングダイアフラム(8)からなる、請求項1に記載の反射型光学センサ。
- 前記スクリーニングダイアフラム(8)は、その軸が前記反射面(R)の方向に実質的に整列している細長い円筒形状を有する、請求項2に記載の反射型光学センサ。
- 前記スクリーニングダイアフラム(8)は、さもなければ遮光である前記遮蔽板(4)の空洞(6)に開口し、該空洞内に前記受光器(2)の光検出器も収容される、請求項3に記載の反射型光学センサ。
- 前記受光器(2)は、前記遮蔽板と前記プリント回路基板3との最終組立位置で前記空洞を完全に閉鎖する、請求項4に記載の反射型光学センサ。
- 前記遮蔽板は、前記遮蔽板(4)と前記プリント回路基板3との最終組み立て位置において、前記遮蔽板の両側から垂直に突出し、前記プリント回路基板(3)に形成された前記発光器(1)と前記受光器(2)との間の対応するスロットに挿入されるセプタム(7)を含む、請求項5に記載の反射光学センサ。
- 前記発光器(1)と前記受光器(2)は表面実装電子部品(SMD)である、請求項1−6の何れかに記載の反射型光学センサ。
- 前記発光器(1)と前記受光器(2)は逆実装電子部品、即ち前記プリント回路基板(3)の背面部に組み付けられるが、このようなプリント回路基板(3)に形成されたスルーホールのおかげで前記プリント回路基板(3)の前面部から光放射を発光/受光しやすい電子部品である、請求項7に記載の反射型光学センサ。
- 前記発光器(1)および前記受光器(2)ならびに前記プリント回路基板(3)の周囲領域は、前記プリント回路基板(3)の背面で不透明な黒色塗料または樹脂層で被覆されている、請求項1−8のいずれかに記載の反射型光学センサ。
- 請求項1〜9のいずれかに記載の反射型光学センサを備え、前記光学センサ(F1〜F4)が緯糸停止装置を収容する箱(M)の底壁上に、透明窓(10)に対応して設置されている、製織用緯糸フィーダ。
- 前記スクリーニングダイヤフラム(8)の自由端(8a)が前記透明窓(10)の内面と接触して配置さている、請求項10に記載の製織用緯糸フィーダ。
- 前記遮蔽板(4)には、前記プリント回路基板(3)との結合脚部(9)が設けられ、前記プリント回路基板には、前記ボックス(M)の底壁に設けられた対応する位置決めと係合するための位置決め穴が設けられている、請求項11に記載の製織用緯糸フィーダ。
- 前記プリント回路基板の前記位置決め穴(3)および前記プリント回路基板(3)の全外周が前記ボックス(M)の内壁に樹脂で封止されている、請求項12に記載の製織緯糸フィーダ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102018000008415 | 2018-09-07 | ||
IT201800008415 | 2018-09-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2020041251A true JP2020041251A (ja) | 2020-03-19 |
JP2020041251A5 JP2020041251A5 (ja) | 2022-07-20 |
JP7353869B2 JP7353869B2 (ja) | 2023-10-02 |
Family
ID=64427036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019155841A Active JP7353869B2 (ja) | 2018-09-07 | 2019-08-28 | 緯糸反射型光学センサを備える製織用緯糸フィーダ |
Country Status (5)
Country | Link |
---|---|
US (1) | US11208759B2 (ja) |
EP (1) | EP3620561B1 (ja) |
JP (1) | JP7353869B2 (ja) |
CN (1) | CN110886044B (ja) |
TW (1) | TW202014692A (ja) |
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JPH073577A (ja) * | 1993-01-06 | 1995-01-06 | Toyota Autom Loom Works Ltd | ジェットルームにおける緯糸検出装置 |
JPH0978407A (ja) * | 1995-09-07 | 1997-03-25 | Nissan Tecsys Kk | 織機の給糸異常検出装置 |
WO2002052081A2 (en) * | 2000-12-22 | 2002-07-04 | L.G.L. Electronics S.P.A. | An improved weft supplier, particularly for fluid-jet looms |
WO2005100658A1 (en) * | 2004-04-15 | 2005-10-27 | Iro Ab | Yarn feeder |
EP2655712A2 (en) * | 2010-12-23 | 2013-10-30 | Roj S.r.L. | Group of reflection optic sensors in a weft feeder for weaving looms |
EP2907908A1 (en) * | 2014-02-13 | 2015-08-19 | L.G.L. Electronics S.p.A. | Yarn-unwinding sensor for storage yarn feeders with rotary drum |
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2019
- 2019-07-11 EP EP19185825.7A patent/EP3620561B1/en active Active
- 2019-08-28 JP JP2019155841A patent/JP7353869B2/ja active Active
- 2019-08-29 TW TW108130997A patent/TW202014692A/zh unknown
- 2019-09-04 US US16/560,112 patent/US11208759B2/en active Active
- 2019-09-09 CN CN201910864886.7A patent/CN110886044B/zh active Active
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JPH0355872A (ja) * | 1989-07-24 | 1991-03-11 | Seiko Instr Inc | 多結晶シリコン膜上絶縁膜の形成方法 |
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JPH073577A (ja) * | 1993-01-06 | 1995-01-06 | Toyota Autom Loom Works Ltd | ジェットルームにおける緯糸検出装置 |
JPH0978407A (ja) * | 1995-09-07 | 1997-03-25 | Nissan Tecsys Kk | 織機の給糸異常検出装置 |
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EP2655712A2 (en) * | 2010-12-23 | 2013-10-30 | Roj S.r.L. | Group of reflection optic sensors in a weft feeder for weaving looms |
EP2907908A1 (en) * | 2014-02-13 | 2015-08-19 | L.G.L. Electronics S.p.A. | Yarn-unwinding sensor for storage yarn feeders with rotary drum |
Also Published As
Publication number | Publication date |
---|---|
CN110886044B (zh) | 2022-11-22 |
US11208759B2 (en) | 2021-12-28 |
JP7353869B2 (ja) | 2023-10-02 |
TW202014692A (zh) | 2020-04-16 |
EP3620561A1 (en) | 2020-03-11 |
EP3620561B1 (en) | 2021-05-05 |
US20200080257A1 (en) | 2020-03-12 |
CN110886044A (zh) | 2020-03-17 |
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