WO2013072219A2 - Module de commande pour moteur d'entraînement - Google Patents

Module de commande pour moteur d'entraînement Download PDF

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Publication number
WO2013072219A2
WO2013072219A2 PCT/EP2012/071904 EP2012071904W WO2013072219A2 WO 2013072219 A2 WO2013072219 A2 WO 2013072219A2 EP 2012071904 W EP2012071904 W EP 2012071904W WO 2013072219 A2 WO2013072219 A2 WO 2013072219A2
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic field
drive motor
field sensor
circuit board
sensor
Prior art date
Application number
PCT/EP2012/071904
Other languages
German (de)
English (en)
Other versions
WO2013072219A3 (fr
Inventor
Heiko Buss
Jens Maerkle
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to CN201280056370.6A priority Critical patent/CN104040846B/zh
Publication of WO2013072219A2 publication Critical patent/WO2013072219A2/fr
Publication of WO2013072219A3 publication Critical patent/WO2013072219A3/fr

Links

Classifications

    • 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
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements

Definitions

  • the present invention relates to motor systems, and more particularly to control modules for drive motors comprising components for controlling and detecting a position of a rotor of the drive motor in an integrated manner.
  • control units and drive motor are often arranged in a compact manner to each other. This applies in particular to electronically commutated electric motors, since there a logic for controlling Statorspulen provided and also often a detection of a rotor position must be realized.
  • magnetic field sensors such. B. Hall sensors, used, which detect a magnetic field change due to movement of the rotor of the drive motor.
  • the rotor shaft may be provided with a ring magnet which moves past a magnetic field sensor and there generates an electrical signal corresponding to the magnetic field changes caused by the movement.
  • the rotor position detection signal thus obtained may also be used in an external controller for determining the speed of the rotor to provide other functions, such as when used as a window lift drive for anti-jamming.
  • the magnetic field sensor used is generally arranged together with other components on a circuit board, in particular soldered by means of an SMD reflow process. Due to the fixed integration of the magnetic field sensors on the circuit board of the controller, the arrangement of the circuit board with respect to the drive motor is fixed. As a result, the degrees of freedom in the
  • a control device for operating a drive motor comprising:
  • control electronics are configured to determine a rotor position of a rotor of the drive motor based on the sensor signal
  • the magnetic field sensor is designed to detect a magnetic field change in a plurality, in particular in three spatial directions.
  • control device in contrast to previously used control devices having arranged thereon simple Magnetfeldsen- sensors when providing a control device with a magnetic field sensor that can detect magnetic fields in more than one direction, the degrees of freedom in the Arrangement of the control unit to the magnetic encoder of the drive motor are increased. While the positioning of the printed circuit board of the control unit with respect to the magnetic encoder of the drive motor is inevitably predetermined by the currently used Hall sensors, it is possible to detect magnetic fields in several spatial directions when using a multi-dimensional magnetic field sensor, so that the circuit board of the controller in various ways with respect Magnetic encoder can be arranged.
  • the printed circuit board can be arranged inexpensively and flexibly and, for example, a centric positioning of the electronics in the drive motor is possible.
  • the magnetic field sensor may have a Hall sensor.
  • the magnetic field sensor can be arranged on an edge of the printed circuit board.
  • control electronics can perform a commutation of the drive motor based on the rotor position.
  • the magnetic field sensor can be designed to generate at least two detection signals, in particular analog measurement voltages, as a function of a magnetic field, wherein a computing unit, in particular a microcontroller, is provided to determine points in time of intersections of the courses of the detection signals and the position indication from the determined times of the intersections of the courses of the detection signals to determine.
  • a computing unit in particular a microcontroller
  • an engine system in another aspect, includes: a drive motor, in particular an electronically commutated electric machine, wherein a rotor of the drive motor is provided with a magnetic field transmitter which moves during a movement of the rotor and thus changes a generated magnetic field;
  • the above controller is arranged so that the magnetic field sensor is close to the magnetic field sensor to detect the sensor signal based on the magnetic field provided by the magnetic field generator.
  • circuit board may be arranged with the control electronics at one end of a shaft of the drive motor so that the circuit board extends parallel to the axial direction of the rotor shaft, wherein in particular the magnetic field sensor is axially offset from the magnetic encoder.
  • a use of a magnetic field sensor in a control device for operating a drive motor wherein the magnetic field sensor is designed to detect a magnetic field change in a plurality, in particular in three spatial directions.
  • Figure 1 is a schematic representation of an engine system with a drive motor and a corresponding control unit
  • Figure 2 is a schematic representation of another engine system with a drive motor and a control unit
  • Figures 3a-d further illustrations of ways to arrange a circuit board of the controller to a magnetic encoder of the drive motor. Description of embodiments
  • FIG. 1 shows a schematic representation of an engine system 1 with a drive motor 2 and a control unit 3, which has a printed circuit board 4 and components arranged thereon, such as a microcontroller 5 and the like.
  • the microcontroller 5 may be formed as an SMD component, which allows a simple production of the control unit.
  • the drive motor 2 can be designed, for example, as an electric motor, in particular as an electronically commutated electric motor, in which the position or position of a rotor shaft 6 must be detected in order to drive stator coils (not shown) in order to drive the drive motor 2 appropriately Way to perform.
  • the microcontroller 5 of the control unit 3 can provide suitable commutation for the stator coils, ie. H. energize the stator coils at any time in a suitable manner.
  • a common procedure for detecting the rotor position is to attach a magnetic field transmitter 7 to the rotor shaft 6, which provides a magnetic field extending in the radial direction.
  • the magnetic field transmitter 7 is preferably designed as a magnetic ring, which has alternating regions of different polarity. By rotation of the rotor shaft 6, the strength and direction of the magnetic field in the vicinity of the magnetic field transmitter 7 change.
  • the printed circuit board 4 also has a magnetic field sensor 8, which may be formed, for example, as a Hall sensor, GMR sensor, electrical coil or the like.
  • the magnetic field sensor 8 provides an analog voltage, e.g. a Hall voltage, ready, whose magnitude indicates the strength of the magnetic field.
  • the printed circuit board 4 has a plug connection 9 in order to produce an electrical connection to the stator winding of the drive motor 2 and the printed circuit board 4.
  • the magnetic field sensor 8 is likewise designed as an SMD component.
  • previous magnetic field sensors 8 provide only the detection of a magnetic field change in a spatial direction. It is therefore intended as a magnetic field sensor 8 to provide a sensor with a sensitivity in several spatial directions. In particular, it is possible to provide Hall sensors with a three-dimensional sensitivity that can be used as standard components, in particular as SMD sensors.
  • FIG. 2 shows an arrangement of the printed circuit board 4 with respect to the rotor shaft 6 of the drive motor 2 provided with the magnetic field transmitter 7 or the magnetic field transmitter 7 arranged on the rotor shaft 6 of the drive motor 2.
  • the circuit board 4 is arranged with an extension direction axially parallel to the rotor shaft 6.
  • the motor system 1 formed by the printed circuit board 4 and the drive motor 2 thereby has an elongated design, wherein the width of the motor system 1 is no longer determined by the circuit board 4 and the magnetic encoder 7.
  • the printed circuit board 4 can furthermore be equipped with an electrical connector 10, in particular a plug connector, in order to enable electrical contacting of the printed circuit board 4, in particular for providing electrical energy.
  • the electrical connector 10 allows an electrical connection in the axis-parallel direction, so that via the electrical connector 10 connected connection cable (not shown) also extend in the direction parallel to the axis of the circuit board 4 away.
  • the electrical connector 10 is preferably arranged relative to the magnetic field sensor 8 at an opposite end of the printed circuit board 4. In the case of a connector 10, contact pins 11 of the electrical connector 10 may extend in the direction of the printed circuit board 4 or in the direction of the rotor shaft 6. Such an arrangement makes it possible to dispense with fingers for guiding the magnetic field to the magnetic field sensor 8.
  • the motor system 1 can be provided in a narrow design, since the width of the motor system is not increased by a side of the drive motor 2 arranged circuit board 4.
  • the width of the printed circuit board 4 in the direction transverse to the direction of extension of the rotor shaft 6 is provided to be equal to or smaller than the width of the drive motor 2.
  • further arrangements of the printed circuit board 4 shown by way of example in FIGS. 3 a to 3 are provided on the drive motor 2 or on the rotor shaft 6 of the drive motor 2 provided with the magnetic field transmitter 7 or on the magnetic field transmitter 7 arranged on the rotor shaft 6 of the drive motor 2 intended.
  • 3 a to 3d show four mutually orthogonal arrangements of the magnetic field sensor 8 with respect to the magnetic field directions provided by the magnetic field transmitter 7.
  • the magnetic field sensor 8 is arranged to the side of the rotor shaft 6, so that when rotating the rotor shaft 6, the magnetic poles of the magnetic encoder 7 move past the magnetic field sensor 8.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)

Abstract

L'invention concerne un dispositif de commande (3) pour faire fonctionner un moteur d'entraînement (2), qui comprend : une carte de circuit imprimé (4) dotée d'une électronique de commande, un capteur de champ magnétique (8) pour détecter une modification de champ magnétique et pour produire un signal de détection approprié. L'électronique de commande est conçue pour déterminer la position d'un rotor du moteur d'entraînement (2) sur la base du signal de détection. Ledit dispositif de commande se caractérise en ce que le capteur de champ magnétique (8) est conçu pour détecter une modification de champ magnétique intervenant dans plusieurs directions spatiales, en particulier dans trois directions spatiales.
PCT/EP2012/071904 2011-11-15 2012-11-06 Module de commande pour moteur d'entraînement WO2013072219A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201280056370.6A CN104040846B (zh) 2011-11-15 2012-11-06 用于驱动发动机的控制模块

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011086371.0 2011-11-15
DE102011086371A DE102011086371A1 (de) 2011-11-15 2011-11-15 Steuermodul für einen Antriebsmotor

Publications (2)

Publication Number Publication Date
WO2013072219A2 true WO2013072219A2 (fr) 2013-05-23
WO2013072219A3 WO2013072219A3 (fr) 2014-04-10

Family

ID=47226121

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/071904 WO2013072219A2 (fr) 2011-11-15 2012-11-06 Module de commande pour moteur d'entraînement

Country Status (3)

Country Link
CN (1) CN104040846B (fr)
DE (1) DE102011086371A1 (fr)
WO (1) WO2013072219A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023186329A1 (fr) 2022-04-01 2023-10-05 Pierburg Pump Technology Gmbh Dispositif électrique secondaire d'automobile

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109991446B (zh) * 2019-04-24 2021-06-25 中广核工程有限公司 一种核电站主泵磁电式转速传感器试验装置及试验方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1616971B (zh) * 2003-11-13 2010-07-28 阿斯莫株式会社 具有旋转传感器的旋转机器
DE102004056800A1 (de) * 2004-11-24 2006-06-01 Zf Friedrichshafen Ag Schaltvorrichtung für ein Kraftfahrzeug
US7116100B1 (en) * 2005-03-21 2006-10-03 Hr Textron, Inc. Position sensing for moveable mechanical systems and associated methods and apparatus
CN100398996C (zh) * 2006-12-14 2008-07-02 北京航空航天大学 一种一体化、五自由度电涡流传感器
DE102008041859A1 (de) * 2008-09-08 2010-03-11 Robert Bosch Gmbh Magnetfeldsensoranordnung zur Messung von räumlichen Komponenten eines magnetischen Feldes
DE102008042402A1 (de) * 2008-09-26 2010-04-08 Robert Bosch Gmbh Rotorlagesensorik in einem elektrischen Antriebsmotor
CN101557184B (zh) * 2009-05-05 2010-12-08 扬州大学 磁悬浮球形电动机系统

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023186329A1 (fr) 2022-04-01 2023-10-05 Pierburg Pump Technology Gmbh Dispositif électrique secondaire d'automobile

Also Published As

Publication number Publication date
CN104040846A (zh) 2014-09-10
DE102011086371A1 (de) 2013-05-16
WO2013072219A3 (fr) 2014-04-10
CN104040846B (zh) 2017-09-01

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