JPH0468073U - - Google Patents
Info
- Publication number
- JPH0468073U JPH0468073U JP10975790U JP10975790U JPH0468073U JP H0468073 U JPH0468073 U JP H0468073U JP 10975790 U JP10975790 U JP 10975790U JP 10975790 U JP10975790 U JP 10975790U JP H0468073 U JPH0468073 U JP H0468073U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- yarn
- yarn breakage
- photoelectric conversion
- signal
- 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
- 238000006243 chemical reaction Methods 0.000 claims 4
- 238000001514 detection method Methods 0.000 claims 3
- 230000003321 amplification Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000008719 thickening Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
Description
第１図は本考案の実施例にかかわる２本糸条を
合糸する糸条加工設備、第２図は実施例のブロツ
ク図、第３図は第２図の各点の正常巻き取り時の
信号波形、第４図は糸結び目通過時の信号波形で
ある。図中、１００は糸切れ検出器、１１０は発
光回路、１２１は受光回路、１２２は交流増幅回
路、１２３は積分回路、１２４は自動利得調整回
路、１２７は出力禁止回路である。
Figure 1 shows the yarn processing equipment for doubling two yarns according to an embodiment of the present invention, Figure 2 is a block diagram of the embodiment, and Figure 3 shows each point in Figure 2 during normal winding. Signal waveform: Figure 4 shows the signal waveform when the thread passes through a knot. In the figure, 100 is a thread breakage detector, 110 is a light emitting circuit, 121 is a light receiving circuit, 122 is an AC amplifier circuit, 123 is an integrating circuit, 124 is an automatic gain adjustment circuit, and 127 is an output prohibition circuit.
Claims (1)
遮断もしくは反射された該光ビームを受光し、糸
条による該光ビームの光量変化に比例した検出信
号を出力する光電変換部と、前記検出信号のうち
急激な変化のみを検出し、パルス状の断糸信号を
送出する出力回路部とを備えた糸切れ検出器にお
いて、糸条が太くなる方向の変化時には前記断糸
信号を出力しないようにする出力禁止回路を設け
たことを特徴とする糸切れ検出器。 (2) 前記光電変換部は、自動利得調整回路を備
えた交流増幅回路を持ち、前記出力禁止回路は、
糸条が太くなる方向への変化における光電変換部
からの検出信号の正のパルス成分を通過させるダ
イオードとコンデンサの直列負帰還回路からなり
、そのパルス信号によつて前記自動利得調整回路
の利得を下げるように構成された、実用新案登録
請求の範囲第１項記載の糸切れ検出器。 (3) 前記出力禁止回路は、光電変換部からの検
出信号の糸条が太くなる方向への変化を抑制する
抑制回路である実用新案登録請求の範囲第１項記
載の糸切れ検出器。[Claims for Utility Model Registration] (1) A light emitting part that emits a light beam, and a detection signal that receives the light beam blocked or reflected by the thread and is proportional to the change in the amount of light of the light beam due to the thread. In a yarn breakage detector equipped with a photoelectric conversion section that outputs a A yarn breakage detector characterized in that an output prohibition circuit is provided for not outputting the yarn breakage signal when the yarn breakage signal changes. (2) The photoelectric conversion section has an AC amplification circuit equipped with an automatic gain adjustment circuit, and the output prohibition circuit includes:
It consists of a series negative feedback circuit of a diode and a capacitor that passes the positive pulse component of the detection signal from the photoelectric conversion unit when the yarn changes in the direction of thickening, and the gain of the automatic gain adjustment circuit is adjusted by the pulse signal. The yarn breakage detector according to claim 1, which is configured to lower the yarn. (3) The yarn breakage detector according to claim 1, wherein the output prohibition circuit is a suppressing circuit that suppresses a change in the detection signal from the photoelectric conversion unit in a direction in which the yarn becomes thicker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990109757U JP2525059Y2 (en) | 1990-10-22 | 1990-10-22 | Thread break detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990109757U JP2525059Y2 (en) | 1990-10-22 | 1990-10-22 | Thread break detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0468073U true JPH0468073U (en) | 1992-06-16 |
| JP2525059Y2 JP2525059Y2 (en) | 1997-02-05 |
Family
ID=31857008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990109757U Expired - Lifetime JP2525059Y2 (en) | 1990-10-22 | 1990-10-22 | Thread break detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2525059Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4880979B2 (en) * | 2005-11-16 | 2012-02-22 | 帝人テクノプロダクツ株式会社 | Yarn breakage treatment apparatus and yarn breakage treatment method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5848286U (en) * | 1981-09-29 | 1983-04-01 | 大平技研工業株式会社 | video game machine |
-
1990
- 1990-10-22 JP JP1990109757U patent/JP2525059Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5848286U (en) * | 1981-09-29 | 1983-04-01 | 大平技研工業株式会社 | video game machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2525059Y2 (en) | 1997-02-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |