WO2006082134A1 - Moteur lineaire a compensation de l'ondulation de force - Google Patents

Moteur lineaire a compensation de l'ondulation de force Download PDF

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Publication number
WO2006082134A1
WO2006082134A1 PCT/EP2006/050257 EP2006050257W WO2006082134A1 WO 2006082134 A1 WO2006082134 A1 WO 2006082134A1 EP 2006050257 W EP2006050257 W EP 2006050257W WO 2006082134 A1 WO2006082134 A1 WO 2006082134A1
Authority
WO
WIPO (PCT)
Prior art keywords
kwa
tooth
linear motor
motor according
air gap
Prior art date
Application number
PCT/EP2006/050257
Other languages
German (de)
English (en)
Inventor
Zeljko Jajtic
Christian Volmert
Original Assignee
Siemens Aktiengesellschaft
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
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2006082134A1 publication Critical patent/WO2006082134A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
    • H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems

Definitions

  • the invention relates to a linear motor with at least one primary part and at least one secondary part, said secondary part comprises a succession of permanent magnets formed by the poles.
  • Actuators are used, should have the most uniform and trouble-free torque development.
  • the cause for periodic force fluctuations also called force ripple, essentially the grooves of the stator into consideration.
  • force ripple essentially the grooves of the stator into consideration.
  • the rotor and / or stator pole ⁇ over the axial length of a groove are usually skewed.
  • EP 0334645 Al is known to decrease the force ripple, in which the core of the primary part is formed of a synchronous linear motor as a ferromagnetic plate and are arranged in the air gap of the linear motor coil so that the end portions of the plate extend beyond the air gap coil addition ⁇ and form a step in the region of the central longitudinal line of the linear motor. It is also known from the US 4,912,746 a linear motor whose teeth can be pronounced differently in the area of the faces adorn the force ripple to redu ⁇ .
  • the disadvantage here is the construction and assembly costs with partially insufficient reduction of Kraftwellmaschine. This continues to occur vibrations and a restless running of the electric machine.
  • the KWA tooth is thus preferably positioned in the grid of Magnettei ⁇ ment ⁇ M of the secondary part to the last winding-carrying tooth.
  • the magnetic useful are amplified in a targeted.
  • the induced voltage is raised in the winding-carrying end teeth of the primary part while near motor considerably reduces the resulting cogging of Synchronli ⁇ .
  • the KWA tooth or auxiliary dental also in the end region of the laminated core of the primary part is positioned such that its center axis with ⁇ preferably a magnet pitch ⁇ M has a distance from the center axis of the last wound tooth.
  • T KWA smaller ⁇ M and a minimum width of the KWA tooth is sought.
  • the air gap 5 KWA of the KWA tooth must be reduced, but in any case greater than zero.
  • the primary part of a linear motor may consist of several in BEWE ⁇ supply direction one behind the other hen consist arranged plate stacks. Accordingly, the centrally arranged laminated cores have no KWA tooth but according to the invention only KWA teeth at the respective ends, so provide the front sides of the primary part.
  • KWA teeth should be provided at each end.
  • the one-piece primary parts are now constructed so that z. B. only every second plate has a KWA tooth on the right side and every second plate has offset on the left side. D. H . Each plate has only one KWA tooth, which is once aligned to the left or to the right. The force ripple is thus sufficiently reduced compared to the previously known possibilities for Kraftwelltechniksredulement.
  • FIG. 1 shows a linear motor with KWA teeth
  • 4 shows a manner of fastening the KWA tooth
  • FIG. 5 shows another embodiment of a KWA tooth.
  • the BEWE ⁇ supply direction of the synchronous linear motor is indicated by arrows ⁇ .
  • the primary part 13 also has a winding system, which is formed in the present case of tooth coils 14, d. H . It surrounds a tooth coil 14 each have a tooth 15, such that in a groove 16 two halves under defenceli ⁇ cher tooth coils 14 are located. Preferably, these halves 13 are made almost identical in the primary part, which z. B. the number of turns of the tooth coil 14 and the copper fill factor.
  • each second tooth 15 may be equipped with a correspondingly sized tooth coil 14, so that the same Kupferhell compositionen arise.
  • the end faces of the primary part 13 each have a KWA tooth 2, which has a distance 5 KWA to the actual air gap ⁇ L of the linear motor between the primary part 13 and the secondary part 5.
  • the primary part 13 is arranged on a secondary part 5 ⁇ , which is positioned on a machine bed 3, not shown. It has inter alia Permanentmag ⁇ Nete 4 with a pole pitch ⁇ M on.
  • the pole pitch ⁇ M can also be formed by electrical excitation of an exciter winding arranged in the secondary part 5.
  • the primary part 13 of the linear motor may be constructed of a plurality of individually assembled laminated cores 1, wherein at the end faces of the primary part 13 in the direction of movement, the KWA teeth 2 are provided to u. a. a higher Positionierge ⁇ accuracy to achieve the linear motor. Accordingly, the centrally arranged laminated cores 1 have no KWA tooth 2, but according to the invention, only KWA teeth 2 are provided at the respective ends, that is to say the end faces of the primary part 13.
  • the one-piece primary parts 13 are now constructed so that z. B. only every second sheet has a KWA tooth 2 on the right side and every second sheet has a KWA tooth 2 offset on the left side. D. H . each plate has only one KWA tooth 2, which is aligned once to the left or to the right.
  • FIG 2 and FIG 3 show various embodiments of the primary parts 13, in particular the manifestations of their ends in the direction of movement. 3 is space-optimized with respect to the embodiment, since there is almost no unused space between the last tooth coil 14 and the KWA tooth.
  • FIG. 4 shows that the KWA tooth 2 does not necessarily have to be connected in one piece with the laminated core 1. It is vorteilhaf ⁇ testi by suitable mechanical connections such.
  • FIG. 5 shows in a further advantageous embodiment of the primary part 13 a KWA tooth 2 with recesses, which may also be formed on one side, or symmetrically to the longitudinal axis of the KWA tooth 2.
  • the recess 11 in particular when it is designed waisted, serves to receive an auxiliary coil 12, z. B. for a boost operation by the auxiliary coil 12 is connected to the main winding so the tooth coils 14 so that specific influence on the induced voltage can be ge ⁇ taken. This additional power can be provided.
  • the recesses 11 are also orzusharmlich for receiving sensors and possibly. their evaluation equipment suitable.
  • the KWA tooth 2 at one end of the primary part 13 can also be designed differently over the width of the laminated core 1 in one or more of the following parameters: width b K wA of the KWA tooth 2, air gap 5 KWA of the KWA tooth 2 and Ab ⁇ was ⁇ K w A to the adjacent wound tooth 17, 18th

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Linear Motors (AREA)

Abstract

L'invention vise à créer une compensation de l'ondulation de force pour un moteur linéaire. A cet effet, le moteur linéaire est muni d'une dent de compensation d'ondulation de force (2) à largeur prédéfinie bKWA, qui est placée à distance de l'entrefer normal dL grâce à un entrefer supplémentaire dKWA et qui présente une distance tKWA par rapport aux dents voisines (17, 18) de l'empilage de tôles (1).
PCT/EP2006/050257 2005-01-31 2006-01-17 Moteur lineaire a compensation de l'ondulation de force WO2006082134A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005004380.1 2005-01-31
DE200510004380 DE102005004380B4 (de) 2005-01-31 2005-01-31 Linearmotor mit Kraftwelligkeitsausgleich

Publications (1)

Publication Number Publication Date
WO2006082134A1 true WO2006082134A1 (fr) 2006-08-10

Family

ID=36087702

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/050257 WO2006082134A1 (fr) 2005-01-31 2006-01-17 Moteur lineaire a compensation de l'ondulation de force

Country Status (2)

Country Link
DE (1) DE102005004380B4 (fr)
WO (1) WO2006082134A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015136762A1 (fr) * 2014-03-12 2015-09-17 独立行政法人国立高等専門学校機構 Moteur linéaire
US20180269766A1 (en) * 2015-11-27 2018-09-20 Kabushiki Kaisha Yaskawa Denki Linear motor
CN109906546A (zh) * 2016-10-28 2019-06-18 丹佛斯埃德特恩公司 线性电机和用于控制线性电机的电力电子转换器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2091138A1 (fr) 2008-02-18 2009-08-19 Siemens Aktiengesellschaft Partie primaire et machine électrique linéaire dotée d'une compensation d'ondulation de force
EP2091137B1 (fr) 2008-02-18 2014-06-25 Siemens Aktiengesellschaft Partie primaire et machine électrique linéaire dotée d'une compensation d'ondulation de force
CN102361388A (zh) * 2011-11-04 2012-02-22 哈尔滨工业大学 推力波动主动补偿型直线永磁同步电机
CN105515329A (zh) * 2015-12-10 2016-04-20 北京理工大学 混合励磁的弧形永磁电机

Citations (12)

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US4463290A (en) * 1980-06-06 1984-07-31 Fujitsu Limited Induction type positioning system
JPS62203549A (ja) * 1986-03-03 1987-09-08 Yaskawa Electric Mfg Co Ltd 直線運動電動機
US4912746A (en) * 1987-08-15 1990-03-27 Shinko Denki Kabushiki Kaisha Linear DC brushless motor
JPH06300583A (ja) * 1993-04-13 1994-10-28 Yaskawa Electric Corp リニアレゾルバ
JPH0974733A (ja) * 1995-06-28 1997-03-18 Mitsubishi Electric Corp リニアモータ
US5910691A (en) * 1995-03-20 1999-06-08 Wavre; Nicolas Permanent-magnet linear synchronous motor
JP2002209371A (ja) * 2001-01-11 2002-07-26 Yaskawa Electric Corp リニアモータ
US20020117905A1 (en) * 2001-02-28 2002-08-29 Fuji Electric Co. Ltd. Linear actuator
EP1283586A1 (fr) * 2000-04-19 2003-02-12 Kabushiki Kaisha Yaskawa Denki Moteur lineaire synchrone a aimants permanents
JP2003199319A (ja) * 2001-10-19 2003-07-11 Yaskawa Electric Corp 永久磁石形同期リニアモータ
JP2004364374A (ja) * 2003-06-03 2004-12-24 Yaskawa Electric Corp リニアモータ
JP2005168243A (ja) * 2003-12-04 2005-06-23 Yaskawa Electric Corp 永久磁石型同期リニアモータ

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DE1638974A1 (de) * 1968-02-16 1970-04-16 Zd Elektrotransporta Im Dzerti Asynchronlinearbahnmotor fuer Einschienenbahn
DE3246064A1 (de) * 1980-06-12 1984-06-14 Papst-Motoren GmbH & Co KG, 7742 St Georgen Gleichstromlinearmotor
JPS6377370A (ja) * 1986-09-18 1988-04-07 Fujitsu Ltd リニアパルスモ−タ
US5032746A (en) * 1988-03-22 1991-07-16 Sharp Kabushiki Kaisha Linear motor with driving device
US4908553A (en) * 1988-12-20 1990-03-13 Eaton Corporation Magnetic regenerative braking system
DE19829052C1 (de) * 1998-06-29 1999-12-30 Siemens Ag Synchronlinearmotor
EP1634362A1 (fr) * 2003-06-06 2006-03-15 Bei Sensors And Systems Company, Inc. Moteur lineaire sans balai a courant continu et a noyau de fer presentant une force de detente reduite

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4463290A (en) * 1980-06-06 1984-07-31 Fujitsu Limited Induction type positioning system
JPS62203549A (ja) * 1986-03-03 1987-09-08 Yaskawa Electric Mfg Co Ltd 直線運動電動機
US4912746A (en) * 1987-08-15 1990-03-27 Shinko Denki Kabushiki Kaisha Linear DC brushless motor
JPH06300583A (ja) * 1993-04-13 1994-10-28 Yaskawa Electric Corp リニアレゾルバ
US5910691A (en) * 1995-03-20 1999-06-08 Wavre; Nicolas Permanent-magnet linear synchronous motor
JPH0974733A (ja) * 1995-06-28 1997-03-18 Mitsubishi Electric Corp リニアモータ
EP1283586A1 (fr) * 2000-04-19 2003-02-12 Kabushiki Kaisha Yaskawa Denki Moteur lineaire synchrone a aimants permanents
JP2002209371A (ja) * 2001-01-11 2002-07-26 Yaskawa Electric Corp リニアモータ
US20020117905A1 (en) * 2001-02-28 2002-08-29 Fuji Electric Co. Ltd. Linear actuator
JP2003199319A (ja) * 2001-10-19 2003-07-11 Yaskawa Electric Corp 永久磁石形同期リニアモータ
JP2004364374A (ja) * 2003-06-03 2004-12-24 Yaskawa Electric Corp リニアモータ
JP2005168243A (ja) * 2003-12-04 2005-06-23 Yaskawa Electric Corp 永久磁石型同期リニアモータ

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PATENT ABSTRACTS OF JAPAN vol. 1995, no. 01 28 February 1995 (1995-02-28) *
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PATENT ABSTRACTS OF JAPAN vol. 2003, no. 11 5 November 2003 (2003-11-05) *
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 12 5 December 2003 (2003-12-05) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015136762A1 (fr) * 2014-03-12 2015-09-17 独立行政法人国立高等専門学校機構 Moteur linéaire
JP2015173580A (ja) * 2014-03-12 2015-10-01 独立行政法人国立高等専門学校機構 リニアモータ
US20180269766A1 (en) * 2015-11-27 2018-09-20 Kabushiki Kaisha Yaskawa Denki Linear motor
US10727728B2 (en) * 2015-11-27 2020-07-28 Kabushiki Kaisha Yaskawa Denki Linear motor
CN109906546A (zh) * 2016-10-28 2019-06-18 丹佛斯埃德特恩公司 线性电机和用于控制线性电机的电力电子转换器

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DE102005004380B4 (de) 2012-02-02
DE102005004380A1 (de) 2006-08-10

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