DE19930912A1 - Fan has stator of motor possessing only one coil with multiphase winding magnetised variably outside fan wheel and winding generating travelling field - Google Patents

Fan has stator of motor possessing only one coil with multiphase winding magnetised variably outside fan wheel and winding generating travelling field

Info

Publication number
DE19930912A1
DE19930912A1 DE1999130912 DE19930912A DE19930912A1 DE 19930912 A1 DE19930912 A1 DE 19930912A1 DE 1999130912 DE1999130912 DE 1999130912 DE 19930912 A DE19930912 A DE 19930912A DE 19930912 A1 DE19930912 A1 DE 19930912A1
Authority
DE
Germany
Prior art keywords
winding
fan wheel
fan
variably
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.)
Ceased
Application number
DE1999130912
Other languages
German (de)
Inventor
Wenyan Zeng
Fathi El-Dwaik
Stefan Juraschek
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke 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 DE1998100570 external-priority patent/DE19800570B4/en
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Priority to DE1999130912 priority Critical patent/DE19930912A1/en
Publication of DE19930912A1 publication Critical patent/DE19930912A1/en
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/066—Linear Motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

A fan has a fan wheel and an associated drive motor (10) consisting of a variably magnetisable stator part and a permanently magnetized rotor part connected with the fan wheel which contains segment-like magnets in an outer ring on the edge of the fan wheel. The stator part (14) possesses only one coil with a multiphase winding that can be magnetised variably outside the fan wheel. The winding generates a travelling field.

Description

Die Erfindung bezieht sich auf ein Gebläse nach dem Hauptpatent (Patentanmeldung 19800570.9).The invention relates to a blower according to the main patent (Patent application 19800570.9).

Der Erfindung liegt die Aufgabe zugrunde, das Gebläse nach dem Hauptpatent in seinem elektrotechnischen Aufbau zu vereinfachen.The invention has for its object in the fan according to the main patent to simplify its electrical engineering structure.

Die Erfindung löst diese Aufgabe mit den Merkmalen des Patentanspruchs 1.The invention solves this problem with the features of claim 1.

Durch die Reduktion auf nur eine Spule entfällt eine aufwendige Verkabelung, wie sie angesichts mehrerer Spulen notwendig ist. Auch die bei mehreren Wicklungen meist erforderlichen EMV-Maßnahmen entfallen vollkommen. Dadurch verringern sich die Gesamtkosten des Gebläses.The reduction to just one coil eliminates the need for complex cabling, such as it is necessary in view of several coils. Even with multiple windings Most of the EMC measures required are completely eliminated. This will decrease the total cost of the blower.

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung in Frontansicht gezeigt.In the drawing, an embodiment of the invention is shown in a front view.

Ein Motor 10 besitzt einen Rotor 11. Der Rotor 11 besteht aus einem mit Dauerma­ gneten 12 bestückten Ring 13 und einem Lüfterrad 14, das mittig gelagert ist (nicht dargestellt). Der Ring 13 weist eine mehrpolige Anordnung auf, wobei die Linien des magnetischen Felds immer in radialer Richtung durch einen Luftspalt 14 zwischen Ring 13 und einem Stator 15 verlaufen. Je nach Art der Magnetisierung, kann der Ring 13 mit oder ohne Eisenrückschluß ausgestattet werden. Die Magnete 12 kön­ nen verschiedene Ausführungsformen haben, wobei die Blockform, die Ringform und Bogen-Segment-Form besonders vorteilhaft sind. A motor 10 has a rotor 11 . The rotor 11 consists of a ring 13 equipped with permanent magnet 12 and a fan wheel 14 which is mounted in the center (not shown). The ring 13 has a multi-pole arrangement, the lines of the magnetic field always running in the radial direction through an air gap 14 between the ring 13 and a stator 15 . Depending on the type of magnetization, the ring 13 can be equipped with or without iron yoke. The magnets 12 can have different embodiments, the block shape, the ring shape and the arc segment shape being particularly advantageous.

Der Stator 15 besteht nur aus einem einzigen Bogensegment mit einer mehrphasi­ gen Wicklung 16 in Form mehrerer Spulen 17. Die Gestaltung und Anordnung der Spulen 17 kann verschiedenartig sein. So kann z. B. durch entsprechend Anordnung wie Drehfeldwicklung ein Drehfeld analog zur Drehstrommaschine erzeugt werden. Auch läßt sich mit entsprechender Bestromung der Spulen 17 ein drehendes Wan­ derfeld erzeugen. Die Wicklung kann auch so angeordnet und bestromt werden, daß ein Schrittmotor entsteht. Die Ausführungen der Spulen 17 und ihrer Wicklung 16 erstrecken sich von Einzelzahn-Wicklungen bis zu konventionellen Schleifen- bzw. Wellen-Wicklungen.The stator 15 consists of only a single arc segment with a multi-phase winding 16 in the form of several coils 17th The design and arrangement of the coils 17 can be of various types. So z. B. by a corresponding arrangement such as rotating field winding, a rotating field can be generated analogously to the three-phase machine. Can also generate a rotating Wan derfeld with appropriate energization of the coils 17 . The winding can also be arranged and energized so that a stepper motor is created. The designs of the coils 17 and their winding 16 extend from single-tooth windings to conventional loop or shaft windings.

Durch die erfindungsgemäße Anordnung von Spulen und Magneten 12 sind folgen­ de Vorteile erzielbar:
The following advantages can be achieved by the arrangement of coils and magnets 12 according to the invention:

  • 1. Die Mitte des Lüfterrads ist nicht mehr von Antriebsmotor abgedeckt, der Luft­ durchsatz kann entsprechend gesteigert werden.1. The center of the fan wheel is no longer covered by the drive motor, the air throughput can be increased accordingly.
  • 2. Durch die Verlagerung des Motors nach außen, ist der Radius des Motor we­ sentlich vergrößert. Dadurch lassen sich wesentlich höhere Drehmomente vom Motor erzielen bei gleicher elektromagnetischer Kraft am Luftspalt. Dementspre­ chend kann die Motorleistung erhöht werden.2. By moving the motor outwards, the radius of the motor is white considerably enlarged. This allows much higher torques from Motor achieve at the same electromagnetic force at the air gap. Dementia The engine power can be increased accordingly.
  • 3. Durch das größere Drehmoment kann das Lüfterrad hinsichtlich Luftdurchsatz und Druck vergrößert werden. Die Kühlleistung kann gegenüber dem Lüfter mit in der Mitte angeordnetem Antriebsmotor gesteigert werden.3. Due to the greater torque, the fan wheel with regard to air flow and pressure are increased. The cooling capacity can be compared to that of the fan the drive motor arranged in the middle can be increased.
  • 4. Durch die Verlagerung des Stators nach außen können die Verbindungskabel außerhalb der wirksamen Luftdurchtrittsfläche verlaufen. Die Luftdurchtrittsfläche ist vergrößert.4. By moving the stator outwards, the connecting cables can run outside the effective air passage area. The air passage area is enlarged.
  • 5. Durch die Verlagerung des Stators nach außen, kann die Verbindung zwischen Steuerelektronik und Motor stark vereinfacht werden. Die Steuerelektronik kann di­ rekt am Stator angebracht werden. Diese Konfiguration hat den größten Vorteil hin­ sichtlich EMV-Verhalten und Minimierung der Verbindungstechnik.5. By moving the stator outwards, the connection between Control electronics and motor are greatly simplified. The control electronics can di  be attached directly to the stator. This configuration has the greatest advantage Visible EMC behavior and minimization of the connection technology.
  • 6. Der Motor mit nur einem Bogen-Segment kann als ein Grundmotor betrachtet werden. Durch Anbringen eines gleichen zusätzlichen Segments am Umfang des Lüfterrad, kann das Drehmoment und deshalb die Leistung verdoppelt werden; durch zwei gleiche zusätzliche Segmente, wird die Leistung verdreifacht; und so weiter. Durch diese Anordnung ist die Motorleistung beliebig skalierbar. Die modula­ re Erweiterbarkeit wird nur am Umfang des Rotors angeordnet und hat gegenüber der konventionellen Lösung keine Auswirkung auf die Länge und Durchmesser des Motors.6. The motor with only one arc segment can be viewed as a basic motor become. By attaching an identical additional segment to the circumference of the Fan wheel, the torque and therefore the power can be doubled; the performance is tripled by two identical additional segments; and so further. This arrangement allows the engine power to be scaled as desired. The modula Re expandability is only arranged on the circumference of the rotor and has opposite the conventional solution has no effect on the length and diameter of the Motors.
  • 7. Die Bautiefe des Lüfterantriebs wird durch diese Anordnung drastisch reduziert.7. The depth of the fan drive is drastically reduced by this arrangement.

Claims (2)

1. Gebläse mit einem Lüfterrad und einem zugehörigen Antriebsmotor, bestehend aus einem variabel magnetisierbaren Statorteil und einem mit dem Lüfterrad ver­ bundenen permanent magnetischen Rotorteil, das in einem Außenring am Rand des Lüfterrads (1) segmentartig angeordnete Magneten enthält, nach Patent . . . (Patentanmeldung 19800570.9), dadurch gekennzeichnet, daß das Stator­ teil (14) nur eine außerhalb des Lüfterrads angeordnete variabel magnetisierbare Spule (14 1) mit einer mehrphasigen Wicklung besitzt.1. Blower with a fan wheel and an associated drive motor, consisting of a variably magnetizable stator part and a ver with the fan wheel connected permanent magnetic rotor part, which contains segment-like magnets arranged in an outer ring on the edge of the fan wheel ( 1 ), according to patent. , , (Patent application 19800570.9), characterized in that the stator part ( 14 ) has only one variable magnetizable coil ( 14 1 ) arranged outside the fan wheel with a multi-phase winding. 2. Gebläse nach Anspruch 1, dadurch gekennzeichnet, daß die Wicklung ein Wanderfeld erzeugt.2. Blower according to claim 1, characterized in that the winding Wanderfeld generated.
DE1999130912 1998-01-09 1999-07-06 Fan has stator of motor possessing only one coil with multiphase winding magnetised variably outside fan wheel and winding generating travelling field Ceased DE19930912A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1999130912 DE19930912A1 (en) 1998-01-09 1999-07-06 Fan has stator of motor possessing only one coil with multiphase winding magnetised variably outside fan wheel and winding generating travelling field

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1998100570 DE19800570B4 (en) 1998-01-09 1998-01-09 Fan with a fan wheel
DE1999130912 DE19930912A1 (en) 1998-01-09 1999-07-06 Fan has stator of motor possessing only one coil with multiphase winding magnetised variably outside fan wheel and winding generating travelling field

Publications (1)

Publication Number Publication Date
DE19930912A1 true DE19930912A1 (en) 2001-02-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE1999130912 Ceased DE19930912A1 (en) 1998-01-09 1999-07-06 Fan has stator of motor possessing only one coil with multiphase winding magnetised variably outside fan wheel and winding generating travelling field

Country Status (1)

Country Link
DE (1) DE19930912A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10036339A1 (en) * 2000-07-26 2002-02-07 Bayerische Motoren Werke Ag Extremely thin and powerful fan e.g. for vehicle, comprises motor with external polyphase stator winding and iron magnetic return circuit
FR2837537A1 (en) * 2002-03-22 2003-09-26 Faurecia Ind Fan with helical blades forming the rotor of a motor for cooling radiators in motor vehicles, uses ring joining tip of fan blades to carry permanent magnets which are held in place by outer ring
US8727746B2 (en) 2005-02-24 2014-05-20 Ebm-Papst St. Georgen Gmbh & Co. Kg Method of producing a mini fan and a mini fan produced according to said method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08298763A (en) * 1995-04-25 1996-11-12 Victor Co Of Japan Ltd Fan motor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08298763A (en) * 1995-04-25 1996-11-12 Victor Co Of Japan Ltd Fan motor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10036339A1 (en) * 2000-07-26 2002-02-07 Bayerische Motoren Werke Ag Extremely thin and powerful fan e.g. for vehicle, comprises motor with external polyphase stator winding and iron magnetic return circuit
FR2837537A1 (en) * 2002-03-22 2003-09-26 Faurecia Ind Fan with helical blades forming the rotor of a motor for cooling radiators in motor vehicles, uses ring joining tip of fan blades to carry permanent magnets which are held in place by outer ring
US8727746B2 (en) 2005-02-24 2014-05-20 Ebm-Papst St. Georgen Gmbh & Co. Kg Method of producing a mini fan and a mini fan produced according to said method

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