EP0988410B1 - Antriebsvorrichtung für eine von vorn beschickbare waschmaschine - Google Patents
Antriebsvorrichtung für eine von vorn beschickbare waschmaschine Download PDFInfo
- Publication number
- EP0988410B1 EP0988410B1 EP98936314A EP98936314A EP0988410B1 EP 0988410 B1 EP0988410 B1 EP 0988410B1 EP 98936314 A EP98936314 A EP 98936314A EP 98936314 A EP98936314 A EP 98936314A EP 0988410 B1 EP0988410 B1 EP 0988410B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- motor
- shaft
- drive device
- hub
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
Definitions
- the invention relates to a drive device for a loadable from the front Washing machine with one inside a bearing sleeve on the back of one Suds container attached, rigid support member at least approximately horizontally lying shaft overhung laundry drum through a also directly attached to the back of the tub, flat motor is driven.
- Such drive devices are from DE 39 27 426 A1 and DE 43 41 832 A1 known.
- the stator of the is the stator of the as a brushless external rotor DC motor trained motor attached directly to the bearing sleeve of the rigid support member.
- the shaft is mounted in the bearing sleeve and at its outer end with the The rotor of the motor is non-rotatably connected.
- This runner is a so-called External rotor that overlaps the stator windings as a pot and as permanent magnets trained poles.
- the motor is also surrounded by an insulation hood that is directly connected to the motor the surrounding atmosphere muffles noise.
- the known drive devices encapsulate the stand, which is caused by heat in electricity its windings are exposed to considerable temperature stress a pot-shaped rotor (in the case of DE 43 41 832 A1 additionally by the sound insulation hood) so strong that cooling of the engine fails at all.
- a pot-shaped rotor in the case of DE 43 41 832 A1 additionally by the sound insulation hood
- the known drive devices are also not already assembled Motor available to the manufacturer of washing machines. Your stand and runner must be delivered separately and first assembled in the washing machine factory become. As a rule, special assembly facilities in a washing machine factory to complete motor assemblies not available and also not are desired, the completion of the first with the tub system stator assembly to be connected by the external rotor assembly regularly only be imprecise. Because of compliance with a small and everyone The air gap between the stand and the should always be as large as possible Rotor poles as well as extremely high demands on the centered bearing will not be the case with the aforementioned assembly in a washing machine factory are to be met, the known drive devices are practically only very limited useful.
- the invention is based on the object, the drive device described above to be designed so that on the one hand cooling of the stator windings the ambient air can be easily guaranteed and the engine in the proper operation with dimensioning according to requirements not can overheat as well as the engine in the factory of the engine manufacturer can be completed and checked before it goes to a washing machine manufacturer to be installed.
- this object is achieved in that the stand on the rigid support part or instead of the rigid support part with the rear wall of the tub is connected and a central bearing sleeve for the shaft of the laundry drum and for a hub of the rotor encompassing the shaft, that on the outer End of the shaft the hub of the rotor that runs between his hub and the A large number of openings around the circumference and one on its circumference Alkaline-facing, bell-like flange, is attached centered and that the rotor is made entirely of magnetizable steel and with its bell-shaped flange over an air gap that is distributed on the stand, for Inclusion of excitation windings of the stator provided by faces on the outside.
- the heat-generating components of which are before especially the stator windings, cooled from all sides by the ambient air can be. Even the low engine speed when washing is sufficient moreover, that the rotor creates a heat-dissipating air movement.
- the training of the runner completely made of steel is simplified compared to the usual well-known "direct drive motors" with special dynamo sheet packages and Excitation windings the manufacture enormous.
- the heat dissipation is not through Material interruptions or changes disrupted.
- the engine can also be in the engine supplier's manufacturing plant completely assembled and checked.
- the appropriate assembly and test aids are available so that motor assemblies are always assembled exactly the same can be delivered to the washing machine factory.
- this can Assembly instead of a casting star or otherwise usual at this point can also be mounted on the rear wall of the tub system.
- To the stator of the complete motor is attached to some which parts of the rear wall of the tub are attached.
- the wave the washing drum from the inserted into the hub of the runner, which over the Rolling bearing is already connected to the stand, and with a central screw secured from behind.
- These operations are those of attaching one Supporting star and a pulley in accordance with the washing machine constructions that were customary up to now extremely similar, so that none of the assembly staff completely other operations must be learned.
- the runner can already low rotational movement, e.g. at washing speed, enough cooling air for the Produce stator windings. You can do this, for example, a spoke-like Formation of the rotor disc and a fan-like design of it Spokes or one with fan-shaped openings Operate the back of the bell.
- the motor can be designed as a so-called switched reluctance motor.
- the rotor made of a ferromagnetic steel that conducts relatively poorly.
- the structure of the stator is that of the electronically commutated DC motor comparable.
- the advantage is in particular a less expensive design of the rotor (no expensive magnetic materials).
- the centered connection can be used to facilitate and reproducibly precise assembly of the rotor rotatably on the shaft by a positive profile shaft, Profile hub, feather key, taper or keyway connection can be added.
- the invention is based on an exemplary embodiment shown in the drawing explained below.
- the single figure shows a schematic representation of a Washing machine tub with a horizontally stored inside Laundry drum, the drive shaft of which together with the hub of the rotor bell the bearing sleeve of the motor stand is mounted.
- the tub 1 is also in a manner not shown here in one housing of a washing machine, not shown, swinging. At his Front wall 2, it has an opening 3 for loading and unloading the laundry drum 4, in the rear wall 6 of the tub 1 about the horizontal axis 5 is rotatably mounted. For this purpose, the shaft 7, which is on the rear wall 8 of the Laundry drum 4 is rotatably connected to it.
- the stand supporting part 10 On the rear wall 6 of the tub 1, a motor 9 is mounted, the stand supporting part 10 is non-rotatably connected to the rear wall 6 via the flange 11.
- the Stand supporting part 10 carries several, preferably three, on its outer circumference the circumference of the tub 1 distributed mounting eyes, the are firmly connected to the tub by means of screws.
- the stand supporting part 10 is additionally with a mounting flange in a manner not shown here Back wall 6 of the tub 1 screwed.
- stator support member 10 On the rear surface of the stator support member 10 are a plurality of stator windings 12 distributed that the inner surface of a bell 15 of the rotor 13 with the distance of one face narrow air gap 14. The magnetic reflux of the bell flange 15 is automatically given by its ring shape.
- the engine can be Driving torques therefore directly over the shaft journal 7 into the laundry drum 4 initiate.
- the stator 10 of the motor takes like a Tragstem replaced by it also all bearing forces.
- the bearing sleeve 26 of the stand supporting part 10 forms bearing seats for rolling bearings, the inner rings of which with a good fit on the hub 31 of the laundry drum 4 are.
- the shaft 7 is inserted into the hub 31 of the rotor 13 and secured by means of a central screw 30 so that the runner 13 over it Hub 31 and the inner rings of the rolling bearings rotatably connected to the laundry drum 4.
- the rotor disk 13 is between for better ventilation and cooling of the stator poles their hub 26 and the bell flange 15 equipped with openings 33.
- These openings can advantageously be shaped at their edges so that the access of cooling air through these openings in the sense of a fan effect is supported.
- the breakthroughs or in the vicinity of which so-called vortexes are attached, which are for a Whirl the cooling air to ensure better contact with the stator windings receives.
- the motor is designed here as an electronically commutated DC motor. He can also be designed as a so-called switched reluctance motor. In in this case there is at least the flange of the rotor or its inner support made of a ferromagnetic relatively poorly conductive material. The structure of the stand is comparable to that of an electronically commutated DC motor.
- the advantage of the reluctance motor is, in particular, that it is less expensive Design of the rotor (no expensive magnetic materials).
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
Description
Claims (5)
- Antriebsvorrichtung für eine von vorn beschickbare Waschmaschine mit einer innerhalb einer Lagerhülse eines an der Rückwand eines Laugenbehälters angebrachten, steifen Tragteils über eine wenigstens annähemd horizontal liegende Welle fliegend gelagerten Wäschetrommel, die durch einen ebenfalls an der Rückseite des Laugenbehälters angebrachten, flachen Motor direkt angetrieben ist, dadurch gekennzeichnet, daß der Ständer (10) des Motors (9) an dem steifen Tragteil oder anstelle des steifen Tragteils mit der Rückwand (6) des Laugenbehälters (1) verbunden ist und eine zentrale Lagerhülse (26) für die Welle (7) der Wäschetrommel (4) und für eine die Welle umfassende Nabe (31) des Läufers (13) aufweist, daß am äußeren Ende der Welle die Nabe (31) des Läufers (13), der zwischen seiner Nabe und der Umfangspartie eine Vielzahl von Öffnungen (33) und an seinem Umfang einen zum Laugenbehälter (1) weisenden, glockenartigen Flansch (15) aufweist, zentriert befestigt ist und daß der Läufer komplett aus magnetisierbarem Stahl besteht und mit seinem glockenförmigen Flansch über einen Luftspalt (14) den am Ständer (10) verteilten, zur Aufnahme von Erregerwicklungen (12) des Ständers (10) vorgesehenen Blechpaketen (32) von außen gegenübersteht.
- Antriebsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß Teile des Läufers (13) zur Unterstützung einer bei seiner Drehbewegung entstehenden Luftbewegung ausgebildet sind.
- Antriebsvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Motor (9) ein elektronisch kommutierter Gleichstrommotor ist.
- Antriebsvorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß der Motor (9) ein geschalteter Reluktanzmotor ist.
- Antriebsvorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die zentrierte Verbindung (30) des Läufers (13) an der Welle (7) durch eine Profilwellen-, Profilnaben-, Paßfeder-, Kegel- oder Keilnutverbindung formschlüssig drehfest ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19724475A DE19724475B4 (de) | 1997-06-10 | 1997-06-10 | Antriebsvorrichtung für eine von vorn beschickbare Waschmaschine |
DE19724475 | 1997-06-10 | ||
PCT/EP1998/003420 WO1998056973A1 (de) | 1997-06-10 | 1998-06-08 | Antriebsvorrichtung für eine von vorn beschickbare waschmaschine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0988410A1 EP0988410A1 (de) | 2000-03-29 |
EP0988410B1 true EP0988410B1 (de) | 2002-03-27 |
EP0988410B2 EP0988410B2 (de) | 2013-10-23 |
Family
ID=7832060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98936314.8A Expired - Lifetime EP0988410B2 (de) | 1997-06-10 | 1998-06-08 | Antriebsvorrichtung für eine von vorn beschickbare waschmaschine |
Country Status (6)
Country | Link |
---|---|
US (1) | US5996379A (de) |
EP (1) | EP0988410B2 (de) |
DE (2) | DE19724475B4 (de) |
ES (1) | ES2175740T3 (de) |
TR (1) | TR199902909T2 (de) |
WO (1) | WO1998056973A1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19859567A1 (de) * | 1998-12-22 | 2000-06-29 | Bsh Bosch Siemens Hausgeraete | Antriebsvorrichtung für eine von vorn beschickbare Waschmaschine |
DE19922610A1 (de) * | 1999-05-17 | 2000-11-23 | Bsh Bosch Siemens Hausgeraete | Antriebsvorrichtung für eine Waschmaschine |
JP3434785B2 (ja) * | 1999-06-07 | 2003-08-11 | エルジー電子株式会社 | 洗濯機用bldcモータ |
AU782017B2 (en) * | 1999-10-18 | 2005-06-30 | Lg Electronics Inc. | A driving unit for a drum type washing machine |
KR100617213B1 (ko) * | 1999-10-19 | 2006-08-31 | 엘지전자 주식회사 | 드럼세탁기의 구동부 구조 |
DE19960501A1 (de) | 1999-12-15 | 2001-06-21 | Bsh Bosch Siemens Hausgeraete | Laugenbehälter für eine Waschmaschine |
DE19963703A1 (de) * | 1999-12-29 | 2001-07-05 | Bsh Bosch Siemens Hausgeraete | Antriebsvorrichtung für eine Waschmaschine |
US6487769B2 (en) | 2000-11-30 | 2002-12-03 | Emerson Electric Co. | Method and apparatus for constructing a segmented stator |
US6597078B2 (en) | 2000-12-04 | 2003-07-22 | Emerson Electric Co. | Electric power steering system including a permanent magnet motor |
US6744166B2 (en) | 2001-01-04 | 2004-06-01 | Emerson Electric Co. | End cap assembly for a switched reluctance electric machine |
US6897591B2 (en) | 2001-03-26 | 2005-05-24 | Emerson Electric Co. | Sensorless switched reluctance electric machine with segmented stator |
US6584813B2 (en) | 2001-03-26 | 2003-07-01 | Emerson Electric Co. | Washing machine including a segmented stator switched reluctance motor |
US7012350B2 (en) | 2001-01-04 | 2006-03-14 | Emerson Electric Co. | Segmented stator switched reluctance machine |
US6700284B2 (en) | 2001-03-26 | 2004-03-02 | Emerson Electric Co. | Fan assembly including a segmented stator switched reluctance fan motor |
CN100414029C (zh) * | 2003-06-30 | 2008-08-27 | 乐金电子(天津)电器有限公司 | 全自动洗衣机的驱动装置 |
KR20050115342A (ko) * | 2004-06-02 | 2005-12-07 | 삼성전자주식회사 | 드럼 세탁기 |
KR20050119269A (ko) * | 2004-06-16 | 2005-12-21 | 삼성전자주식회사 | 드럼세탁기 |
WO2006080686A1 (en) * | 2004-10-08 | 2006-08-03 | Daewoo Electronics Corporation | Outer rotor type motor and drum type washing machine including same |
US7282823B2 (en) * | 2004-10-29 | 2007-10-16 | Emerson Electric Co. | Self-cooling electric machine |
US7342334B2 (en) * | 2004-10-29 | 2008-03-11 | Emerson Electric Co. | Insulated stator with wire routing element |
US8405268B2 (en) | 2010-02-18 | 2013-03-26 | Nidec Motor Corporation | Stator with monolithic mounting bosses and assembly comprising the same |
KR102646735B1 (ko) * | 2016-11-04 | 2024-03-13 | 삼성전자주식회사 | 세탁기용 모터 및 이를 구비하는 세탁기 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE944157C (de) * | 1945-01-04 | 1956-06-07 | Siemens Ag | Schwinganordnung |
NL291769A (de) * | 1962-04-19 | |||
US3254545A (en) * | 1963-10-08 | 1966-06-07 | Fichtel & Sachs Ag | Dual-speed transmission for a washing machine |
DE3275393D1 (en) * | 1981-12-18 | 1987-03-12 | Cerac Inst Sa | Washing machine |
US4998052A (en) * | 1989-07-28 | 1991-03-05 | General Electric Company | Gearless direct drive switched reluctance motor for laundry application |
DE3927426B4 (de) * | 1989-08-19 | 2006-02-23 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Antriebseinheit für eine Wäsche-Behandlungsmaschine |
DE4341832C2 (de) * | 1993-12-08 | 2001-11-08 | Fhp Motors Gmbh | Waschautomat |
JP3229114B2 (ja) * | 1994-03-31 | 2001-11-12 | 株式会社東芝 | 洗濯機 |
DE19546185B4 (de) * | 1995-12-11 | 2010-07-01 | BSH Bosch und Siemens Hausgeräte GmbH | Antriebsvorrichtung für eine von vorn beschickbare Waschmaschine |
DE19547745A1 (de) * | 1995-12-20 | 1997-06-26 | Bosch Siemens Hausgeraete | Antriebsvorrichtung für eine von vorn beschickbare Waschmaschine |
-
1997
- 1997-06-10 DE DE19724475A patent/DE19724475B4/de not_active Expired - Fee Related
-
1998
- 1998-06-08 DE DE59803525T patent/DE59803525D1/de not_active Expired - Lifetime
- 1998-06-08 WO PCT/EP1998/003420 patent/WO1998056973A1/de active IP Right Grant
- 1998-06-08 EP EP98936314.8A patent/EP0988410B2/de not_active Expired - Lifetime
- 1998-06-08 ES ES98936314T patent/ES2175740T3/es not_active Expired - Lifetime
- 1998-06-08 TR TR1999/02909T patent/TR199902909T2/xx unknown
- 1998-06-10 US US09/095,262 patent/US5996379A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59803525D1 (de) | 2002-05-02 |
EP0988410A1 (de) | 2000-03-29 |
TR199902909T2 (xx) | 2000-07-21 |
DE19724475A1 (de) | 1998-12-17 |
US5996379A (en) | 1999-12-07 |
ES2175740T3 (es) | 2002-11-16 |
EP0988410B2 (de) | 2013-10-23 |
DE19724475B4 (de) | 2010-08-05 |
WO1998056973A1 (de) | 1998-12-17 |
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