EP4331104A1 - Procédé de démarrage d'un rotor d'un moteur à pôles à griffes - Google Patents

Procédé de démarrage d'un rotor d'un moteur à pôles à griffes

Info

Publication number
EP4331104A1
EP4331104A1 EP22721648.8A EP22721648A EP4331104A1 EP 4331104 A1 EP4331104 A1 EP 4331104A1 EP 22721648 A EP22721648 A EP 22721648A EP 4331104 A1 EP4331104 A1 EP 4331104A1
Authority
EP
European Patent Office
Prior art keywords
rotor
hall sensor
offset
phase
stator
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.)
Pending
Application number
EP22721648.8A
Other languages
German (de)
English (en)
Inventor
Igor Pepelyaev
Sören Rebel
Tobias Roth
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.)
Buehler Motor GmbH
Original Assignee
Buehler Motor GmbH
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 Buehler Motor GmbH filed Critical Buehler Motor GmbH
Publication of EP4331104A1 publication Critical patent/EP4331104A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/20—Arrangements for starting
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/14—Electronic commutators
    • H02P6/16—Circuit arrangements for detecting position
    • H02P6/18—Circuit arrangements for detecting position without separate position detecting elements
    • H02P6/182—Circuit arrangements for detecting position without separate position detecting elements using back-emf in windings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/26—Arrangements for controlling single phase motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
    • H02P2207/05—Synchronous machines, e.g. with permanent magnets or DC excitation

Definitions

  • the invention relates to a method for starting a rotor of a single-phase claw-pole motor according to the subject matter of patent claim 1.
  • Pumps can be used, for example, in motor vehicles for pumping and transporting liquids, such as coolant.
  • Such pumps are usually operated by means of an electric drive which is operatively connected to the rotor of the pump.
  • Single-phase claw-pole motors which have a permanently excited rotor and an electronically commutated stator, can be used as the electrical drive.
  • a fall sensor is used to determine the relative rotor position, which is necessary to commutate the current in the stator winding so that rotation of the rotor can result.
  • the object of the invention is to prevent a rotor of a pump from starting up incorrectly, in particular in the case of a single-phase claw-pole motor. This object is achieved by the method according to patent claim 1.
  • the method according to the invention according to claim 1 is provided for starting a rotor of a single-phase claw-pole motor, the claw-pole motor comprising a permanently excited rotor with a plurality of detent positions, with the rotor moving in one direction in nominal operation, and an electronically commutated stator and a Hall sensor for Determination of the relative rotor position includes.
  • the procedure includes the following steps: a. Starting the rotor by at least one commutation of a stator winding based on a Hall sensor signal and b.
  • the rotor of a pump can be locked at any number of points, preferably 8 points, by detents when it is not energized.
  • the pump electronics start the pump taking into account the signals from a Hall sensor which is mounted on the stator or on an electronic circuit board and is arranged offset in the direction of rotation with respect to a central position of a stator pole.
  • the rotor position before start-up is defined by the cogging torque (defined by the magnetic circuit), friction and external torques (e.g. due to hydraulic circuit overcurrent).
  • the pump rotor When starting from the rest position (locked position), the pump rotor must overcome the short motor counter-torque after the first commutation in the direction of rotation, i.e. sufficient rotational energy must be generated.
  • the direction is reversed and the rotor may start up incorrectly.
  • the commutation point in time can be shifted (e.g. due to the magnetization of the magnets and the positioning of the Hall sensor) and lead to the same problem.
  • the rotor starts up, at least one commutation of a stator winding is applied based on a Hall sensor signal.
  • these are preferably three commutations.
  • several commutations are generated by means of pulse width modulated phase voltage (PWM) based on a Hall sensor signal, the Hall sensor being mounted on the stator or on an electronic circuit board and being offset in the direction of rotation with respect to a central position of a stator pole. This results in the correct direction of rotation of the rotor. Conversely, this means that incorrect starting of the rotor or the pump is advantageously prevented.
  • PWM pulse width modulated phase voltage
  • phase offset between phase voltage and phase current during a number of commutations by means of pulse-width-modulated phase voltage due to a Hall sensor signal.
  • a phase shift in this context is created by applying an AC voltage to the stator winding. The phase shift mentioned depends on the current applied and the resulting speed of the rotor. Reducing the duty cycle of the pulse width modulated phase voltage reduces the applied current, which leads to a reduction in the phase offset. The speed of the rotor also changes to a lesser extent.
  • the Hall sensor preferably has an offset of preferably 28°.
  • the phase offset is greater than the offset of the Hall sensor.
  • the phase offset is smaller or larger than the offset of the Hall sensor.
  • phase offset is also smaller than the offset of the Hall sensor due to the slow rotation of the rotor and the uniform energization of the stator winding.
  • a further refinement provides that a period of the pulse-width-modulated phase voltage can be changed as a function of the voltage on the basis of a Hall sensor signal.
  • PWM pulses pulse width modulated phase voltage
  • a stator winding is additionally energized by commutation of power electronics.
  • the power electronics include electronic components such as MOSFET, IGBT or other corresponding electronic components known to those skilled in the art.
  • the single-phase claw-pole motor is used in electric pumps, especially in electric centrifugal pumps.
  • electric liquid pumps are also conceivable for the application.
  • FIG. 2 shows a process flow diagram of a start-up of a single-phase
  • FIG. 1 shows a process flowchart for starting a single-phase claw-pole motor according to the prior art.
  • the motor phases are commutated with a 100% duty cycle in relation to the frequency of the Hall sensor, after which another commutation operating mode can be selected, for example a continued 100% duty cycle or a regulated speed, or a controlled or regulated motor operation.
  • the rotor can start in the correct direction or in the opposite direction, which can result in what is known as a false start. In other words is the
  • the rotor position taken by the rotor before start-up depends on the tolerances or inaccuracies on the following components:
  • the (weak) acceleration of the rotor when starting from the rest position in the actually correct direction of movement is converted into braking energy during the movement, causing the rotor to brake and stop.
  • an acceleration acts on the rotor in the opposite direction to the running direction and a braking direction in the running direction so that the rotor moves in the opposite direction to the running direction and a false start can occur.
  • FIG. 2 shows a process flow chart for starting a single-phase claw-pole motor according to the present invention.
  • a rotor of the single-phase claw-pole motor is started by at least one commutation of a stator winding based on a Hall sensor signal.
  • several commutations are generated using a pulse width modulated phase voltage based on a Hall sensor signal.
  • PWM pulses pulse width modulated phase voltage
  • Any operation can then be carried out, for example a pulse duty factor of 100%, or a regulated speed, or a controlled or regulated engine operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

L'invention concerne un procédé de démarrage d'un rotor d'un moteur à pôles à griffes monophasé, ledit moteur à pôles à griffes comprenant un rotor à aimants permanents qui comporte une pluralité de positions de verrouillage et effectue un mouvement dans une direction de déplacement pendant le fonctionnement à une valeur nominale, comprenant en outre un stator à commutation électronique, et un capteur à effet Hall pour déterminer la position relative du rotor, le procédé comprenant les étapes suivantes : a. le démarrage du rotor à l'aide d'au moins une commutation d'un enroulement statorique sur la base d'un signal de capteur à effet Hall; b. la génération de multiples commutations au moyen d'une tension de phase modulée en largeur d'impulsion sur la base d'un signal de capteur à effet Hall, le capteur à effet Hall étant monté sur le stator ou sur une carte de circuit électronique et étant décalé dans le sens de rotation par rapport à une position centrale d'un pôle de stator.
EP22721648.8A 2021-04-27 2022-03-31 Procédé de démarrage d'un rotor d'un moteur à pôles à griffes Pending EP4331104A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021110687.7A DE102021110687A1 (de) 2021-04-27 2021-04-27 Verfahren zum Anlaufen eines Rotors eines Klauenpolmotors
PCT/DE2022/200059 WO2022228623A1 (fr) 2021-04-27 2022-03-31 Procédé de démarrage d'un rotor d'un moteur à pôles à griffes

Publications (1)

Publication Number Publication Date
EP4331104A1 true EP4331104A1 (fr) 2024-03-06

Family

ID=81585313

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22721648.8A Pending EP4331104A1 (fr) 2021-04-27 2022-03-31 Procédé de démarrage d'un rotor d'un moteur à pôles à griffes

Country Status (6)

Country Link
US (1) US20240056006A1 (fr)
EP (1) EP4331104A1 (fr)
CN (1) CN117256095A (fr)
DE (1) DE102021110687A1 (fr)
MX (1) MX2023011741A (fr)
WO (1) WO2022228623A1 (fr)

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0216202B2 (fr) * 1980-11-11 1995-03-08 Magnet-Motor Gesellschaft für magnetmotorische Technik mbH Moteur électrique
DE4122109A1 (de) 1991-07-04 1993-01-07 Standard Elektrik Lorenz Ag Verfahren und schaltungsanordnung zur anlaufsteuerung eines elektronisch kommutierten gleichstrommotors
DE19515448C1 (de) * 1995-04-27 1996-12-05 Bosch Gmbh Robert Vorrichtung zur Erfassung der Drehzahl und/oder Drehrichtung eines Elektromotors
DE59604662D1 (de) * 1995-09-29 2000-04-20 Papst Motoren Gmbh & Co Kg Elektronisch kommutierter Aussenläufermotor
DE50015828D1 (de) * 1999-12-08 2010-02-04 Ebm Papst St Georgen Gmbh & Co Elektonisch kommutierter Gleichstrommotor
ES2229078T3 (es) 2002-03-05 2005-04-16 Askoll Holding S.R.L. Dispositivo electronico para arrancar un motor sincrono de iman permanente.
US20040108789A1 (en) * 2002-12-09 2004-06-10 Marshall Eric Giles High torque brushless DC motors and generators
DE10309077A1 (de) * 2003-03-03 2004-09-16 Robert Bosch Gmbh Motor für eine Motor-Getriebe-Kombination mit reduziertem Bauraumbedarf
DE10332228B4 (de) 2003-07-16 2013-09-19 Ebm-Papst Mulfingen Gmbh & Co. Kg Steuerungsverfahren für einen bürstenlosen Elektromotor, insbesonde Lüftermotor
ATE371984T1 (de) * 2004-05-12 2007-09-15 Ebm Papst St Georgen Gmbh & Co Elektronisch kommutierter zweipulsiger motor und verfahren zum starten eines solchen motors
GB0424049D0 (en) * 2004-10-29 2004-12-01 Zetex Plc A method of controlling a brushless DC motor
JP2008029114A (ja) * 2006-07-21 2008-02-07 Hitachi Industrial Equipment Systems Co Ltd クローポール型単相モータ，クローポール型単相モータシステム、及びクローポール型単相モータを備えた電動ポンプ，電動ファン、及び車両
DE102007013738B4 (de) * 2007-03-22 2009-10-08 Minebea Co., Ltd. Elektrische Maschine mit Klauenpolstator
TWI418136B (zh) * 2010-09-21 2013-12-01 Delta Electronics Inc 單相直流無刷馬達控制器以及控制單相直流無刷馬達轉速及轉向之方法
EP2701291B1 (fr) * 2012-08-21 2015-08-12 Pierburg Pump Technology GmbH Pompe à fluide électrique pour véhicule automobile
DE102017126622A1 (de) * 2016-11-15 2018-05-17 Johnson Electric S.A. Motor und diesen verwendendes Gebrauchsgerät
DE102018119729A1 (de) * 2018-08-14 2020-02-20 Minebea Mitsumi Inc. Verfahren zum Ansteuern eines Elektromotors und Elektromotor

Also Published As

Publication number Publication date
CN117256095A (zh) 2023-12-19
WO2022228623A1 (fr) 2022-11-03
MX2023011741A (es) 2023-10-13
DE102021110687A1 (de) 2022-10-27
US20240056006A1 (en) 2024-02-15

Similar Documents

Publication Publication Date Title
DE69121583T2 (de) Kommutierter mehrphasenreluktanzmotor
DE102009057433A1 (de) Motorsteuerung und Trommelwaschmaschine
EP2529480A2 (fr) Procédé d'amélioration du rendement d'un moteur polyphasé et moteur permettant la mise en oeuvre dudit procédé
DE102012208452A1 (de) Antriebsvorrichtung und Antriebsverfahren für einen bürstenlosen Motor
WO2009027326A1 (fr) Procédé de commande d'un convertisseur électrique et dispositif associé
DE102012216891A1 (de) Gerät zum Antreiben eines bürstenlosen Motors und Verfahren zum Antreiben eines bürstenlosen Motors
EP1076408B1 (fr) Procédé de démarrage d'un moteur à courant continu sans balais
DE102021132938A1 (de) Antriebssystem
DE69131913T2 (de) Regler für bürstenlosen Gleichstrommotor ohne Positionsgeber
EP0771065B1 (fr) Procédé pour le démarrage d'un entraínement électrique à vitesse de rotation variable
DE69730505T2 (de) Betätigungs- und regelverfahren und vorrichtung, insbesondere für synchrone, permanentmagnet-motoren
EP2567456A2 (fr) Procédé et dispositif de commande pour faire fonctionner un moteur à courant continu triphasé sans balai
DE102006026560B4 (de) Anlaufverfahren für einen sensor- und bürstenlosen Gleichstrommotor
DE602005004418T2 (de) Ansteuerschaltung für einen elektrischen synchronmotor
EP4331104A1 (fr) Procédé de démarrage d'un rotor d'un moteur à pôles à griffes
BE1030973B1 (de) Antriebssystem
DE102021110689B4 (de) Verfahren zum Anlaufen eines Rotors eines Klauenpolmotors
DE102020210097A1 (de) Verfahren zum Betreiben einer Antriebseinrichtung, Antriebseinrichtung, Kraftfahrzeug
WO2022228624A1 (fr) Procédé de démarrage d'un rotor d'un moteur à pôles à griffes
DE102013206029A1 (de) Verfahren zum Anlaufen eines drehzahlveränderlichen Elektromotors
EP4307552A1 (fr) Système d'entraînement
AT402869B (de) Elektronische startvorrichtung zum starten einer einphasigen synchronmaschine
EP3365558A1 (fr) Suppression d'un blocage dans une pompe
WO2015067593A1 (fr) Procédé et dispositif pour faire fonctionner une machine synchrone à excitation permanente
EP3312986B1 (fr) Raccourcissement de la phase de calibrage dans un moteur à réluctance

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

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

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

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

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

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20231013

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)