EP1927686A2 - Métiers à tisser dotés d'un actionnement électrique - Google Patents

Métiers à tisser dotés d'un actionnement électrique Download PDF

Info

Publication number
EP1927686A2
EP1927686A2 EP07021866A EP07021866A EP1927686A2 EP 1927686 A2 EP1927686 A2 EP 1927686A2 EP 07021866 A EP07021866 A EP 07021866A EP 07021866 A EP07021866 A EP 07021866A EP 1927686 A2 EP1927686 A2 EP 1927686A2
Authority
EP
European Patent Office
Prior art keywords
voltage
motors
spinning machine
machine according
busbar
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
EP07021866A
Other languages
German (de)
English (en)
Other versions
EP1927686B1 (fr
EP1927686A3 (fr
Inventor
Horst Wolf
Benedikt Ingold
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
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
Priority claimed from EP06024925A external-priority patent/EP1927685A1/fr
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Priority to EP07021866.4A priority Critical patent/EP1927686B1/fr
Publication of EP1927686A2 publication Critical patent/EP1927686A2/fr
Publication of EP1927686A3 publication Critical patent/EP1927686A3/fr
Application granted granted Critical
Publication of EP1927686B1 publication Critical patent/EP1927686B1/fr
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • D01H1/32—Driving or stopping arrangements for complete machines
    • 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 invention relates to a spinning machine with electric drives according to the preamble of the independent claim.
  • Such a machine is used for example in the DE 39 004 08 A1 described.
  • electrical energy is fed from an AC voltage network via a rectifier in a DC link.
  • inverters On the input side of inverters, which are connected to the electric motors, electrical energy of constant voltage is provided, from the mentioned DC link.
  • the electric drives are used for various functions in the spinning machine, for example for driving spinning spindles, or for operating a ring rail drive, or for driving a drafting system.
  • a spindle assembly in which an electronic motor is shown as a DC motor with electrical commutation.
  • the motor has means for detecting a load shedding, or too little stress, for example after a yarn breakage, and means for automatic shutdown and for reporting a change in the operating state to a central control.
  • the present invention is based on the essential finding that a uniform power network within the spinning machine can not meet the different requirements.
  • the power supply of a spinning machine with electric drives and a primary AC voltage source wherein at least one transformer (14) to an AC voltage network (10) is connected, and the input side of at least one rectifier (16 a, 16 b) connections to the transformer, and the output side of the rectifier DC networks ( U1, U2), to which drivers or commutation devices (24) for DC motors (26a, 26b) or inverters (28a, 28b) are connected, is designed so that the rectifier, in particular at least 2 rectifier groups (16a, 16b ), at least 2 DC busbars (18, 20, 22) are connected, and that a further DC busbar (22) is common to both DC voltage networks (U1, U2), so that at least 3 DC busbars are present, and wherein between the at least 3 rails DC voltages in particular of 270 V and 540th V present.
  • Fig. 3 shows a circuit which is adapted to convert a DC motor to generator operation.
  • a primary winding is connected to the power terminals 10 of the AC voltage network, in particular three-phase voltage network, and at least two secondary windings of a secondary AC voltage or three-phase voltage network are connected to each primary winding.
  • the secondary windings supply power via rectifier in at least two DC voltage grids, each DC power supply to several or a plurality of motors with electrical energy. For example, spindle motors of a spinning machine are supplied in this way with a direct current of a voltage of 270 volts.
  • the DC voltage networks can be closed together, it is also possible to supply direct current to a voltage which corresponds to the sum of the voltages of the individual DC voltage networks.
  • the spindle motors are supplied with a DC voltage of 270 volts
  • other pantographs can be supplied with direct current of a voltage of 540 volts, if two DC voltage grids of 270 volts are present, and as mentioned DC motors via controllers with DC power can be connected to the power supply of other motors, such as synchronous motors, inverters input side to the DC power grids, preferably an increased DC voltage of 540 volts for the control of drafting motors from the interconnected DC power supply is available.
  • fuses 12 are primary windings 14b of a transformer 14 connected.
  • terminals 14a may be provided for auxiliary drives, which are operated with alternating voltage of constant amplitude.
  • a transformer 14 has three primary windings 14b and six secondary windings 14c and 14d, wherein one of the three primary windings 14b is associated with each of a first and second secondary winding 14c or 14d.
  • two parallel transformers could be provided, each with 3 primary and 3 secondary windings. In this case, there are deviating from the drawing 6 primary windings 14b.
  • each three windings 14c and 14d, rectifier 16a, b are connected so that emerge from the secondary three-phase networks or from the first and second secondary windings 14c and 14d initially two DC voltage networks.
  • the first rectifier group 16a feeds into the first DC voltage network with the rails 18 and 22
  • the second rectifier group 16b feeds into the second DC voltage network with the rails 22 and 20.
  • the first DC voltage network is defined as the first DC busbar 18 and third DC busbar 22
  • the second DC voltage network is formed by the third DC busbar 22 and the second DC busbar 20, each with pantographs between each 2 rails.
  • different current collectors primarily DC motors 26a, b, can be connected to the various DC busbars as required.
  • a DC voltage network formed from the first DC busbar 18 and the third DC busbar 22
  • DC motors 26a are fed via fuses 12
  • the second DC network consisting of the third DC busbar 22 and the second DC busbar 20 the DC motors 26b are supplied. These motors are all connected in parallel; but it is only one engine at a time 26a, b shown with Driver 24.
  • motors 26a and 26b can be used.
  • These motors, which are used for driving the spindles, are preferably brushless DC motors with electronic commutation, as stated in one of the introductory patent publications, with sensors, in particular Hall sensors.
  • sensors in particular Hall sensors.
  • every motor 26a, b of a commutation device or driver 24 is required.
  • the third DC voltage network preferably with the DC voltage 540 volts consisting of the first DC busbar 18 and the second DC busbar 20, as can be seen from FIG. 1
  • These inverters generate from a current with DC voltage an AC voltage, for example, a maximum voltage and frequency of 400 volts or 200 hertz or more, wherein electric motors 30a, 30b, 30c, 30d are connected to these inverters.
  • a higher-level controller 32 To control the various inverters and the commutation devices, a higher-level controller 32 must be provided, in which the spinning program is processed.
  • the motors 30a, b, c, d are used to drive various function carriers in the spinning machine, for example, the drafting shafts or a ring frame hubantriebes.
  • FIG. 2 shows one opposite the execution in FIG. 1 alternative conception of the internal machine power supply.
  • a transformer 14 with center tap which provides a voltage of preferably 400 volts (AC) on the secondary side.
  • a rectifier 16a is connected, which allows a DC power supply with a DC voltage of 540 volts. Further voltages of 270 volts can be tapped against the center of the transformer via the DC bus 22 connected thereto.
  • the center of the transformer 14 serves only for potential determination; on the busbar 22 only small equalizing currents may flow, which requires that the motors or motor groups 26a and 26b be uniformly loaded.
  • the mainly current-carrying conductors are the first DC voltage rail 18 and the second DC voltage rail 20. Also in this variant, terminals 14a for auxiliary drives are provided on the secondary side of the transformer. In FIG. 2 are only as far as reference signs are inserted, as differences to the execution after FIG. 1 result.
  • a higher-level controller 32 which is designed such that both for the normal spinning operation, as well as for the power failure or voltage drop, the rotational speeds of the motors 26a, 26b, 30a, 30b can be driven after a predetermined speed-time program.
  • the higher-level controller 32 of the DC motors or DC motor groups 26a, b is designed so that they provide power in a DC power failure in the DC power rails 18, 20, 22, and thus an energy exchange to the inverters 28a, 28b, 28c ect. can take place.
  • a DC voltage preferably of 24 volts DC must be provided.
  • the motors 26a, 26b are connected via a BUS or CanBUS, the is connected to the central controller 32, so guided that at a significant load drop, for example, 20% due to a thread break, or upon detection of other limit violations, an automatic shutdown of a motor 26a takes place.
  • a power failure or substantial voltage dips is or are detected by the central controller 32, and a corresponding speed setpoint reduction is communicated to all drivers 24 via a BUS or CanBUS.
  • the connected motors 26a, b go into the generator mode, as a result of the speed reduction, the stored energy in the rotating masses is converted into electrical energy, and the other consumers is supplied.
  • the speed reduction is carried out so that the operating voltage of 270 volts DC of the motors 26a, b remains constant until reaching standstill. In the event of a shorter power failure and a recurring power supply, it is possible to automatically revert to the normal preset operating speed of the spinning program.
  • the higher-level controller with 24 V DC is loud Fig. 1 via aroyswaridler 33 to a 540 V DC power supply, or to the rails 18 and 20, connected.
  • Parallel to the rectifiers 16a, b are capacitors between the rails 18 and 22 and 20th
  • the motors 26a, b can be mounted on spinning spindles and / or spinning funnels. Like other motors 30a, b, c, d, they can be integrated in the respective drives of different function carriers in the spinning machine, in particular the drafting system shafts or a ring frame. In a three-cylinder drafting system of a spinning machine with two delay zones, individual cylinders with electric motors 30a, 30b, 30c can be driven; the latter can be distributed over the machine length distributed with gears in several places the drafting cylinders.
  • a plurality of transformers 14 may be connected to power terminals 10, on the secondary side of each transformer 14 is connected a rectifier group 16a having an output voltage applied to two DC bus bars 18, 20 and at the midpoint of each Trans-formators 14 is connected to a further third DC busbar, and wherein between the first DC busbar 18 and the third at the center of the transformer 14 adjacent DC rail 22, a DC motor or a DC motor group 26 a is connected, and between the second DC busbar 20 and the third DC busbar 22nd another DC motor or a further DC motor group 26b of the same kind is connected.
  • there are further motor groups in each section there are further motor groups in each section.
  • Fig. 3 lies, as well as in the FIGS. 1 and 2 a DC motor 26a between two DC rails 18 and 22. It is assumed that in normal spinning operation (motor operation) is applied to the DC bus 18, a positive voltage, while the DC busbar 22 is the negative pole for the motor 26a. If the motor 26a in the generator mode, that is to say in the case of a recuperation of the kinetic energy in the DC voltage circuit 18, 22, returns energy, a reversal of the potential takes place so that the DC rail 22 represents the positive pole and the DC voltage rail 18 represents the negative pole.
  • the actual speed n Ist is registered at the motor 26a by a sensor 26b, preferably as a Hall sensor, and fed back to the input of a speed controller 36.
  • a sensor 26b preferably as a Hall sensor
  • sensorless sensors With brushless DC motors with electronic commutation, it is also possible to use sensorless sensors with a device for measuring the zero crossing of the free phase.
  • the controller 36 receives from a controlled by the central machine control speed controller 34, the target speed n target . From the controller 36, preferably designed as a PI controller, based on the deviation between n actual and n setpoint, a setpoint value for the current intensity I setpoint is output. The actual value of the motor current I ist is between the motor Registered 26a and an actuator 40 and returned to the input of a current regulator 38.
  • the current regulator 38 performs on the basis of the deviation between I Ist and I Soll via a current limiter 41 according to Fig. 3 an actuator 40, which is preferably designed as an antiparallel transistor. There are two diodes, which can be switched alternately to current passage in normal spinning operation, or in the generator mode of the engine.
  • a diode is connected in series with a switch, wherein in each case one of the switches is closed, so that the adjusting element 40 can be selectively switched to current passage from the DC busbar 18 to the DC busbar 22, or vice versa.
  • the higher-level machine controller 32 detects a voltage drop or voltage failure of the general power supply, as described above, this gives a control command for switching from motor to generator operation to the actuator 40. Further, the machine controller 32 in the generator mode via the speed controller 34th , which is designed for example as a potentiometer, sure that the generated voltage 42 remains constant according to a predetermined setpoint. This happens by the machine control lowered via the speed controller 34, the speed of the spindle. If the generated voltage is too small, the speed is reduced faster. If the generated voltage is too high, the speed will be reduced more slowly. This happens after the so-called speed gradient.
  • the speed can not be adjusted according to a predetermined speed curve, as z. B. would be the case at a constant rotational mass, but must be lowered as described above via a control loop. In this way, the motor 26a can continuously feed back energy; these for use in other customers 28a, 30a.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Control Of Multiple Motors (AREA)
EP07021866.4A 2006-12-01 2007-11-10 Métiers à tisser dotés d'un actionnement électrique Ceased EP1927686B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07021866.4A EP1927686B1 (fr) 2006-12-01 2007-11-10 Métiers à tisser dotés d'un actionnement électrique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06024925A EP1927685A1 (fr) 2006-12-01 2006-12-01 Jenny avec entraînement électrique
EP07021866.4A EP1927686B1 (fr) 2006-12-01 2007-11-10 Métiers à tisser dotés d'un actionnement électrique

Publications (3)

Publication Number Publication Date
EP1927686A2 true EP1927686A2 (fr) 2008-06-04
EP1927686A3 EP1927686A3 (fr) 2008-07-16
EP1927686B1 EP1927686B1 (fr) 2018-07-25

Family

ID=39333374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07021866.4A Ceased EP1927686B1 (fr) 2006-12-01 2007-11-10 Métiers à tisser dotés d'un actionnement électrique

Country Status (1)

Country Link
EP (1) EP1927686B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2110470A2 (fr) 2008-04-15 2009-10-21 Maschinenfabrik Rieter Ag Machine de filature avec entrainements de broche individuels
EP3961898A1 (fr) 2020-08-31 2022-03-02 Maschinenfabrik Rieter AG Métier à filer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0176823A1 (fr) 1984-09-19 1986-04-09 Deutsche Thomson-Brandt GmbH Circuit multiplicateur de tension
DE10120013A1 (de) 2000-08-11 2002-02-21 Rieter Ag Maschf Spinnmaschine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3900408A1 (de) * 1989-01-09 1990-07-12 Rieter Ag Maschf Textilmaschine, insbesondere ringspinnmaschine
DE19522933C1 (de) * 1995-06-23 1996-12-12 Zinser Textilmaschinen Gmbh Antriebssystem für eine Spinnereimaschine, insbesondere Ringspinnmaschine
DE19821251A1 (de) * 1998-05-12 1999-11-18 Csm Gmbh Verfahren zum Betrieb einer Spinnmaschine
EP0999298B1 (fr) * 1998-11-05 2004-01-21 Kabushiki Kaisha Toyota Jidoshokki Métier à filer à anneaux avec des dispositif d'entraínement de broches individuels

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0176823A1 (fr) 1984-09-19 1986-04-09 Deutsche Thomson-Brandt GmbH Circuit multiplicateur de tension
DE10120013A1 (de) 2000-08-11 2002-02-21 Rieter Ag Maschf Spinnmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2110470A2 (fr) 2008-04-15 2009-10-21 Maschinenfabrik Rieter Ag Machine de filature avec entrainements de broche individuels
EP3961898A1 (fr) 2020-08-31 2022-03-02 Maschinenfabrik Rieter AG Métier à filer

Also Published As

Publication number Publication date
EP1927686B1 (fr) 2018-07-25
EP1927686A3 (fr) 2008-07-16

Similar Documents

Publication Publication Date Title
EP3961898B1 (fr) Métier à filer
DE69521978T2 (de) Regelsystem für ein elektrisches Fahrzeug
DE2521940C2 (de) Schaltungsanordnung zum Steuern von Elektromotoren einer Spinnereimaschine
DE69727416T2 (de) Umrichterschaltung für geschaltete mehrphasige induktive Last
EP3383692B1 (fr) Convertisseur de courant
WO2012119795A2 (fr) Unité de commande
DE102017115506B4 (de) Steuervorrichtung für einen Inverter
WO2015022231A1 (fr) Procédé et dispositif permettant de déterminer les courants de phase et un courant d'excitation d'un moteur électrique, ainsi que système de moteur
DE102013225603B4 (de) Stromrichtervorrichtung für eine Ein- oder Mehrachsanordnung und Betriebsverfahren
EP2627814B1 (fr) Procédé pour commander un processus de freinage d'un moteur d'entraînement de lave-linge, dispositif d'entraînement et lave-linge associés
DE102018201340B3 (de) Verfahren zum Betreiben einer Drehfeldmaschine eines Kraftfahrzeugs, Übertragungsvorrichtung, Antriebseinheit sowie Kraftfahrzeug
EP1927686B1 (fr) Métiers à tisser dotés d'un actionnement électrique
DE102017105237B4 (de) Steuergerät und Steuerverfahren einer AC-Drehmaschine
WO2013041202A2 (fr) Moteur électrique notamment moteur à commutation de polarités, procédé pour faire fonctionner un moteur électrique et moteur électrique
DE112018007438T5 (de) Wechselstrom-Rotationsmaschinenvorrichtung
DE4128803A1 (de) Frequenzumrichter
EP0903007B1 (fr) Systeme comportant un moteur a commutation electronique
EP1927685A1 (fr) Jenny avec entraînement électrique
DE102013218679A1 (de) Antriebssteuerung
DE102013009036A1 (de) Antriebsvorrichtung
DE2425362A1 (de) Drehzahlveraenderliche elektrische antriebseinrichtung mit nutzbremsmoeglichkeit
DE112019001048T5 (de) Motorantriebssteuervorrichtung und motorantriebssteuerverfahren
DE102013218197A1 (de) Hybridmotor
DE69610264T2 (de) Leistungsschaltkreis für Reluktanzmaschine
DE102015210001A1 (de) Bremsschaltung im AC Motorstromkreis

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

17P Request for examination filed

Effective date: 20081027

17Q First examination report despatched

Effective date: 20081229

AKX Designation fees paid

Designated state(s): CH DE LI

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20180413

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): CH DE LI

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502007016295

Country of ref document: DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502007016295

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

26N No opposition filed

Effective date: 20190426

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181130

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181130

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20201119

Year of fee payment: 14

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502007016295

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220601