EP0999298A2 - Ringspinnmaschine mit Individuellen Spindelantrieben - Google Patents

Ringspinnmaschine mit Individuellen Spindelantrieben Download PDF

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Publication number
EP0999298A2
EP0999298A2 EP99117969A EP99117969A EP0999298A2 EP 0999298 A2 EP0999298 A2 EP 0999298A2 EP 99117969 A EP99117969 A EP 99117969A EP 99117969 A EP99117969 A EP 99117969A EP 0999298 A2 EP0999298 A2 EP 0999298A2
Authority
EP
European Patent Office
Prior art keywords
spindle
spinning machine
speed
motors
driving
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
Application number
EP99117969A
Other languages
English (en)
French (fr)
Other versions
EP0999298B1 (de
EP0999298A3 (de
Inventor
Masayoshi Tsuboi
Yutaka Shinozaki
Tatsuya Uematsu
Yasuharu Odachi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Industries Corp
Original Assignee
Toyota Industries Corp
Toyoda Jidoshokki Seisakusho KK
Toyoda Automatic Loom Works Ltd
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Filing date
Publication date
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Application filed by Toyota Industries Corp, Toyoda Jidoshokki Seisakusho KK, Toyoda Automatic Loom Works Ltd filed Critical Toyota Industries Corp
Publication of EP0999298A2 publication Critical patent/EP0999298A2/de
Publication of EP0999298A3 publication Critical patent/EP0999298A3/de
Application granted granted Critical
Publication of EP0999298B1 publication Critical patent/EP0999298B1/de
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/20—Driving or stopping arrangements
    • D01H1/24—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles
    • D01H1/244—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles each spindle driven by an electric motor

Definitions

  • the present invention relates to a single spindle driving ring fine spinning machine.
  • Such a conventional single spindle driving fine spinning machine uses induction motors 10 for driving the spindles, respectively, as shown in FIG. 4, and these induction motors 10 are collectively driven by only one inverter 11.
  • reference numeral 12 denotes a draft roller drive motor and that reference numeral 13 denotes an inverter for the draft roller drive motor 12.
  • slip occurs in the induction motor.
  • the induction motor has addressed a shortcoming. That is, slip causes the rotational speed of the motor to change with changing yarn winding amount, and then causes the yarn twisting amount to change with changing rotational speed of the motor.
  • the machine can not stop only the motor that corresponds to a spindle suffering from an abnormality such as a yarn breakage singly and through remote operation.
  • a special current detector for detecting a current supplied to each driving motor needs to be provided.
  • An object of the present invention is to provide a single spindle driving ring fine spinning machine that has overcome the aforementioned shortcomings that: the yarn twisting amount is changed due to a change in winding amount and due to a change in rotational speed caused by the fact that the induction motor is used as a single spindle driving motor; and a special detector such as a current detector needs to be provided in order to check the driving condition of each spindle, i.e., whether an abnormality such as a yarn breakage has occurred at each spindle.
  • a single spindle driving ring fine spinning machine comprising single spindle driving motors dedicated to spindles, respectively, wherein the single spindle driving motors are synchronous motors; each of the synchronous motors is subjected to a pulse width modulation control based on a difference between a speed reference inputted from an outside source and a speed of that synchronous motor; and the driving condition of each of the spindles is monitored based on a control signal used for the drive control of a corresponding one of the synchronous motors.
  • Synchronous motors are used in place of the conventional induction motors. That is, each spindle is driven by an electric motor such as a brushless dc motor or an SR motor in which the winding is provided on the stator to produce a rotating field, and the rotor having dc magnetic poles is rotated at a synchronous speed that is the same as the speed of the rotating field.
  • an electric motor such as a brushless dc motor or an SR motor in which the winding is provided on the stator to produce a rotating field
  • the rotor having dc magnetic poles is rotated at a synchronous speed that is the same as the speed of the rotating field.
  • the synchronous motor maintains its rotational speed constant, and thus the control signal used for the drive control of the synchronous motor undergoes a drastic change. Therefore, by monitoring the control signal, the driving condition of each spindle can be checked.
  • the control signal is a PWM duty used in the pulse width modulation control.
  • the driving condition of each spindle can be checked.
  • the driving condition of each spindle may be checked by monitoring a current reference used in a speed PI control.
  • the synchronous motor for driving such a spindle may be stopped.
  • the operation of only a spindle at which an abnormality such as a yarn breakage has occurred can be stopped singly as well as through remote operation.
  • a draft roller (not shown) is driven by a draft roller drive motor 12 as shown in FIG. 1.
  • the draft roller drive motor 12 is driven by a commercial alternating current feed line 4 through an inverter 13.
  • many spindles (not shown) are driven by synchronous motors 1 such as brushless dc motors or SR motors for driving spindle.
  • Each spindle drive motor 1 has a dedicated inverter 2 connected thereto, and each inverter 2 is supplied with direct current from a dc power supply 3.
  • Each inverter 2 effects control to drive the corresponding spindle drive motor 1 based on the difference between a speed reference signal from a main control section 5 and a speed signal from a corresponding speed sensor 6.
  • the drive control of each spindle driving synchronous motor is effected by the inverter 2 in such a manner as shown in FIG. 2.
  • a speed command section 7 of the inverter 2 which is constructed of a speed amplifier, sends a predetermined speed reference signal.
  • the current amplifier of a current command section 8 sends a current reference.
  • a PWM circuit 9 sends a predetermined PWM signal to base drive circuits 10, and the corresponding spindle drive motor 1 is driven based on the PWM signal.
  • the spindle drive motor 1 has the speed sensor 6. A signal from the speed sensor 6 is fed back to the input side of the speed command section 7. Further, in this embodiment, the PWM duty set by the PWM circuit 9, which serves as a control signal, is fed back to the input side of the speed command section 7 via a determination section 11.
  • FIG. 3A schematically shows the rotational speed of the spindle drive motor 1 and its current changes in function of winding time. If it is supposed that the rotational speed of the spindle drive motor 1 is maintained constant in function of the winding time, then the load increases with a gradual increase in the winding amount from the winding start, and thus the current supplied to the spindle drive motor 1 also increases. However, when a yarn breakage has occurred for some reason, the load gets reduced, and as a result, the current supplied to the spindle drive motor 1 gets reduced drastically and remains almost constant at such a reduced level. The current supplied to the spindle drive motor 1 and the phase voltage of its winding exhibit such values as shown in FIG. 3B during normal operation.
  • the determination section 11 determines such a load fluctuation, the determination section 11 outputs an abnormality signal to the main control section 5.
  • the main control section 5 stops the spindle drive motor 1 for the spindle of interest. It may also be designed so that the abnormality of the spindle of interest is only displayed on a display unit (not shown) without stopping the corresponding spindle drive motor 1.
  • an abnormality such as a yarn breakage can be determined by causing the current command section 8 to input the current reference to the determination section 11 as shown by the broken line in FIG. 2, the current reference serving as a control signal to be inputted from the current command section 8 to the PWM circuit 9. Further, as shown by the one-dot chain line in FIG. 2, an abnormality can be determined by causing the speed command section 7 to input the speed reference signal to the determination section 11, the speed reference signal serving as a control signal to be inputted from the speed command section 7 to the current command section 8.
  • the spindle drive motor 1 can be stopped in the following ways.
  • a control signal such as the PWM duty in the inverter 2 is outputted directly to the main control section 5, so that a determination section commonly used by the spindles is provided in the main control section 5. Further, the speed reference from the main control section 5 is invalidated based on the determination result obtained by the determination section 11 of each inverter 2.
  • the rotational speed of the spindle drive motor can be maintained at a predetermined value independently of a change in the winding amount, and thus the shortcoming that the twisting amount of a yarn is changed due to a change in the rotational speed of the motor that is caused by a change in the winding amount can be eliminated.
  • the driving conditions of the spindles can be detected on control software by monitoring a control signal used for the drive control of each of the synchronous motors, and thus abnormalities can be detected without using current sensors.
EP19990117969 1998-11-05 1999-09-16 Ringspinnmaschine mit Individuellen Spindelantrieben Expired - Lifetime EP0999298B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP31508898 1998-11-05
JP31508898 1998-11-05

Publications (3)

Publication Number Publication Date
EP0999298A2 true EP0999298A2 (de) 2000-05-10
EP0999298A3 EP0999298A3 (de) 2000-09-06
EP0999298B1 EP0999298B1 (de) 2004-01-21

Family

ID=18061272

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990117969 Expired - Lifetime EP0999298B1 (de) 1998-11-05 1999-09-16 Ringspinnmaschine mit Individuellen Spindelantrieben

Country Status (3)

Country Link
EP (1) EP0999298B1 (de)
CN (1) CN1188557C (de)
DE (1) DE69914283T2 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1174889A2 (de) † 2000-07-19 2002-01-23 Nittoku Engineering Co., Ltd. Verfahren und Vorrichtung zum Wickeln von Draht
US7346272B2 (en) 2005-06-30 2008-03-18 Siemens Aktiengesellschaft Anti-trap protection detection based on comparing the duty cycle of a PWM control system
EP1927685A1 (de) * 2006-12-01 2008-06-04 Maschinenfabrik Rieter Ag Spinnmaschine mit elektrischen Antrieben
EP1927686A3 (de) * 2006-12-01 2008-07-16 Maschinenfabrik Rieter AG Spinnmaschinen mit elektrischen Antrieben
FR2911643A1 (fr) * 2007-01-19 2008-07-25 Inergy Automotive Systems Res Methode et systeme de controle du fonctionnement d'une pompe
CN103510196A (zh) * 2013-08-13 2014-01-15 东华大学 一种基于主从控制模式的细纱机电机式锭子的控制方法
WO2018024586A1 (de) * 2016-08-02 2018-02-08 Koenig Reinhard Ringspinnmaschine und verfahren zum betrieb einer ringspinnmaschine
CN108203855A (zh) * 2016-08-18 2018-06-26 陈玉玲 一种细纱机断纱保护系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103668608A (zh) * 2013-12-27 2014-03-26 东华大学 一种低成本电锭驱动监控方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0389118A2 (de) * 1989-03-23 1990-09-26 Hollingsworth (U.K.) Limited Ringspinnmaschinen, Fachspulmaschinen und Ringzwirnmaschinen mit einem Reluktanzmotor zum Antrieb der Spindel
EP0675216A1 (de) * 1994-03-31 1995-10-04 Palitex Project-Company GmbH Einzelmotorischer Antrieb für einen OE-Spinnrotor
DE19522933C1 (de) * 1995-06-23 1996-12-12 Zinser Textilmaschinen Gmbh Antriebssystem für eine Spinnereimaschine, insbesondere Ringspinnmaschine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0389118A2 (de) * 1989-03-23 1990-09-26 Hollingsworth (U.K.) Limited Ringspinnmaschinen, Fachspulmaschinen und Ringzwirnmaschinen mit einem Reluktanzmotor zum Antrieb der Spindel
EP0675216A1 (de) * 1994-03-31 1995-10-04 Palitex Project-Company GmbH Einzelmotorischer Antrieb für einen OE-Spinnrotor
DE19522933C1 (de) * 1995-06-23 1996-12-12 Zinser Textilmaschinen Gmbh Antriebssystem für eine Spinnereimaschine, insbesondere Ringspinnmaschine

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1174889A2 (de) † 2000-07-19 2002-01-23 Nittoku Engineering Co., Ltd. Verfahren und Vorrichtung zum Wickeln von Draht
EP1174889B2 (de) † 2000-07-19 2014-12-10 Nittoku Engineering Co., Ltd. Verfahren und Vorrichtung zum Wickeln von Draht
US7346272B2 (en) 2005-06-30 2008-03-18 Siemens Aktiengesellschaft Anti-trap protection detection based on comparing the duty cycle of a PWM control system
EP1927685A1 (de) * 2006-12-01 2008-06-04 Maschinenfabrik Rieter Ag Spinnmaschine mit elektrischen Antrieben
EP1927686A3 (de) * 2006-12-01 2008-07-16 Maschinenfabrik Rieter AG Spinnmaschinen mit elektrischen Antrieben
CN101192802B (zh) * 2006-12-01 2012-11-21 里特机械公司 具有电动驱动器的纺纱机
FR2911643A1 (fr) * 2007-01-19 2008-07-25 Inergy Automotive Systems Res Methode et systeme de controle du fonctionnement d'une pompe
US8667783B2 (en) 2007-01-19 2014-03-11 Inergy Automotive Systems Research (Societe Anonyme) Method and system for controlling the operation of a pump
CN103510196A (zh) * 2013-08-13 2014-01-15 东华大学 一种基于主从控制模式的细纱机电机式锭子的控制方法
CN103510196B (zh) * 2013-08-13 2016-07-13 东华大学 一种基于主从控制模式的细纱机电机式锭子的控制方法
WO2018024586A1 (de) * 2016-08-02 2018-02-08 Koenig Reinhard Ringspinnmaschine und verfahren zum betrieb einer ringspinnmaschine
CN108203855A (zh) * 2016-08-18 2018-06-26 陈玉玲 一种细纱机断纱保护系统

Also Published As

Publication number Publication date
EP0999298B1 (de) 2004-01-21
CN1188557C (zh) 2005-02-09
EP0999298A3 (de) 2000-09-06
DE69914283D1 (de) 2004-02-26
CN1253187A (zh) 2000-05-17
DE69914283T2 (de) 2004-10-21

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