EP1497903A1 - Groupe moteur comportant un palier fixe - Google Patents

Groupe moteur comportant un palier fixe

Info

Publication number
EP1497903A1
EP1497903A1 EP03727185A EP03727185A EP1497903A1 EP 1497903 A1 EP1497903 A1 EP 1497903A1 EP 03727185 A EP03727185 A EP 03727185A EP 03727185 A EP03727185 A EP 03727185A EP 1497903 A1 EP1497903 A1 EP 1497903A1
Authority
EP
European Patent Office
Prior art keywords
arrangement according
sensor
stator
motor arrangement
motor
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.)
Withdrawn
Application number
EP03727185A
Other languages
German (de)
English (en)
Inventor
Joachim Hirt
Norbert Esly
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.)
Schaeffler Buehl Verwaltungs GmbH
LuK Lamellen und Kupplungsbau GmbH
Original Assignee
LuK Lamellen und Kupplungsbau Beteiligungs KG
LuK Lamellen und Kupplungsbau 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 LuK Lamellen und Kupplungsbau Beteiligungs KG, LuK Lamellen und Kupplungsbau GmbH filed Critical LuK Lamellen und Kupplungsbau Beteiligungs KG
Publication of EP1497903A1 publication Critical patent/EP1497903A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/08—Insulating casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • 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
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/15—Mounting arrangements for bearing-shields or end plates
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations

Definitions

  • the present invention relates to a motor arrangement with a unit with stator and rotor that can be arranged in a motor housing and with a shaft of the rotor that is mounted in a fixed bearing.
  • the fixed bearing is usually arranged on the side of the shaft output of the motor.
  • the object of the present invention is to improve the behavior of such a motor under vibration loads.
  • a motor arrangement in which an injection molded part is provided which has a plug part on an outer ring part, which comprises a phase current line connected to the coil of the stator and a sensor line connected to a sensor board, the sensor board having at least one sensor.
  • the molded part also has an inner ring part in which the fixed bearing is arranged on the side axially facing away from the shaft output of the motor arrangement.
  • the main advantage of the present invention is that because of the arrangement of the fixed bearing on the side facing away from the shaft output of the motor, the center of gravity of the present motor arrangement can be shifted further towards the screwing surface of the motor housing, which is why the behavior of the motor arrangement according to the invention in the case of vibration loads is improved.
  • the fixed camp can preferably be arranged in a bearing receiving part of the inner ring part, or be supported directly on this.
  • the sensor board is fixed to the inner ring part. But it can also be held by the sensor line, which is fixed in the outer ring part.
  • the sensor board preferably also has an electrical component that interacts with the sensor.
  • phase current line and the sensor line are expediently produced in the form of a lead frame, the regions of the lines leading to the sensor circuit board or the stator being fixed or embedded in the outer ring part.
  • the lines connected to one another in the lead frame by an external bridge part can be separated from one another at a suitable time during the manufacture of the motor arrangement by removing the bridge part.
  • the plug part or its body is injection molded onto the circumference of the outer ring part, regions of the strand current line and the sensor line being embedded in the body of the plug part. This results in a particularly good fixation of the lines mentioned.
  • annular seals for sealingly attaching the motor housing and / or for sealingly attaching a cover part are arranged on the body of the plug part, preferably by injection molding.
  • the fixed bearing is fixed by a fixing part which is supported on the inner ring part.
  • the side of the stator facing the plug part preferably engages in a receiving opening in the body of the plug part.
  • the space between the outer and inner ring part, the areas of the current feed line and the sensor line arranged therein, and optionally the fixing part and the stator, are expediently cast into a unit by a casting compound and fixed to one another.
  • a particularly stable unit results if the potting compound also encloses and fixes the outside and the side of the stator facing away from the plug part.
  • the rotor with the shaft and a floating bearing arranged thereon on the side facing away from the plug part are inserted into the stator in such a way that the area of the shaft passing through the fixed bearing is fastened to the outside of the fixed bearing, preferably by prying.
  • the floating bearing can also be attached to the shaft by prying.
  • the motor housing is axially pushed onto the stator and the floating bearing in one manufacturing step and attached to the body of the plug part and fixed thereon. It is advantageous that the force acting on it is conducted over the stator block.
  • a fastening area of a cover part attached from the side of the fixed bearing overlaps the end of the motor component facing the cover part. housing. In this way, the motor housing and the cover part are fastened to one another on the one hand and, on the other hand, to the unit of the motor arrangement at the same time.
  • Figure 1 shows a lead frame and a sensor board of the motor assembly according to the invention
  • Figure 2 shows the connector part of the motor assembly according to the invention
  • FIG. 3 shows the stator block of the motor assembly according to the invention
  • FIG 4 shows the stator block of Figure 3 in the potted state
  • Figure 5 shows the insertion of the rotor assembly in the motor assembly according to the invention
  • Figure 6 shows the mounting of the motor housing on the arrangement of Figure 5;
  • Figure 7 shows the finished motor assembly according to the invention.
  • a so-called lead frame of the present motor arrangement comprises a sensor line 2 and a line current feed line 3, which are connected to one another via a bridge part 4 (broken lines), which is later used at a suitable time point can be separated.
  • the sensor line 2 and the line current supply line 3 are fixed in a molded part 5, which is preferably of annular design and has an outer ring part 5-1 and an inner ring part 5-2.
  • the lines 2, 3 mentioned are preferably partially embedded in the outer ring part 5-1.
  • pins 6 are preferably arranged, which receive a sensor board 7 and are preferably thermoformed for fastening the sensor board 7.
  • the sensor board 7 can also be received or held via the lead frame 3. It is electrically conductively connected to the lead frame 3 by an axial channel 9 via a supply of heat.
  • the lead frame 3 can be separated into the individual lines 2 and 3 by separating the bridge part 4.
  • the sensor board 7, which comprises a sensor (not described in more detail) and preferably also electronics, can be checked electrically after the bridge part 4 has been disconnected.
  • the molded part 5 then receives the lead frame 3 and the sensor board 7 and it preferably contains bearing surfaces of a bearing receiving part 8 for the fixed bearing 14 of the motor arrangement.
  • the inner ring part 5-2 of the molded part 5 has no bearing receiving part.
  • the fixed bearing is axially supported directly on a contact surface 1 of the inner ring part 5-2.
  • the molded part 5 has at least one channel 9, which preferably extends and opens in the axial direction on both sides and through which the end region of the current supply line 3 arranged in the molded part 5 runs for later contacting.
  • the end of the sensor line 2 is also accessible in the channel 9 for contacting.
  • the plug part 10 is injection molded onto the molded part 5, more precisely onto the outer ring part 51 thereof.
  • the plug part 10 includes all functions of the plug part and additionally receives the molded part with the lead frame 1 or the lines 2, 3 and the sensor board 7. Furthermore, the plug part 10 also has the radial contours for later accommodation or arrangement and connection to a motor housing 25 (FIG. 6).
  • seals 11, 12 can be arranged, preferably injection-molded, on both sides of the plug part, which enable a tight connection to the motor housing 25 and a cover part 26, as will be explained later.
  • seals 11, 12 care must be taken that they completely define the sealing surfaces on the body of the plug part 10, in order to prevent the plug part 10 and the molded part 5 from infiltrating. The maximum permissible temperatures for the sensor board 7 and its connections must be observed when injecting the plug part 10.
  • the stator 13, the plug part 10, the fixed bearing 14 and the bearing fixation 15 are subsequently placed by means of a device.
  • the coil strand 16 and the sensor circuit board 7 are electrically conductively connected to the strand energization line 2 and the sensor line 3, respectively.
  • the axial channels 9 of the molded part 5 offer the appropriate space for this.
  • the device for placing makes it possible to align the sensor system with the coils. This is done with a magnet 30 defined for the stator 13 (FIG. 5). This results in an optimized commutation signal and thus better motor utilization.
  • the stator coils and sensors can also be contacted via the plug part 10 and the alignment can be achieved via the fields generated. A mechanical assignment from coil to sensor via the device is possible.
  • the fixed bearing 14 and then its fixing part 15 are inserted into the inner ring part 5-2 connected to the plug part 10. These are held axially (possibly under preload).
  • the coil body of the stator 13 is cast together with the plug part 10 and the inserted fixed bearing 14 and its fixing part 15 into a unit by means of a suitable casting compound 20.
  • the stator 13 is sealed axially and radially in order to fix the cylindrical shape and the windings.
  • the casting compound 20 also includes the sensor board 7 with its electronic components (sensor and electronics).
  • the fixed bearing 14 is held between the molded part 5 (or the plug part 10) and the fixing part 15.
  • the cast parts preferably each have undercuts in order to ensure a positive fit with the casting compound 20. Pay attention to the material of the casting compound 20 and its compatibility with the other materials and surfaces. For thermosets, e.g.
  • the unit manufactured in this way can also be used without an additional motor housing. It can be inserted into an electric motor housing or e.g. into a gear housing.
  • the assembly consisting of the rotor 21 and the motor shaft 22 is now mounted with an attached floating bearing 23 for the floating bearing point, spacer ring, magnet package and control magnet 30 aligned with this.
  • the motor shaft 22 is inserted into the fixed bearing 14 and, as can be seen, preferably firmly fixed.
  • the existing unit can be tested in one device without a motor housing.
  • the unit mentioned can be inserted in an associated motor housing 25 for the construction of a drive ring or in a suitable screw-on geometry.
  • the stator When the stator is pressed into the motor housing 25, the force passes over the stator block.
  • the shaft seal, the flange seal 33 and the seal 11 can be attached between the stator block and the motor housing 25, e.g. be vulcanized.
  • FIG. 7 shows the motor arrangement which is screwed to screw-on parts 27 in different planes.
  • the cover part 26 engages behind the motor housing 25 with a fastening region 28, which preferably runs axially through the body of the plug part 10, or is clamped thereon.
  • Relationships used in subclaims indicate the further development of the subject matter of the main claim by the features of the respective subclaim; they are not a waiver of achieving an independent, opposing understand protection for the combination of features of the related subclaims.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Gear-Shifting Mechanisms (AREA)

Abstract

L'invention concerne un groupe moteur comportant une unité pouvant être logée dans un boîtier moteur, composée d'un stator, d'un rotor et d'un palier fixe, un arbre du rotor étant logé dans ladite unité. Un élément moulé par injection présente, sur une partie annulaire extérieure, une partie fiche comportant une ligne d'alimentation de branche connectée à la bobine du stator et une ligne de capteur connectée à une platine de capteur présentant au moins un capteur. Ledit élément moulé par injection comporte par ailleurs une partie annulaire intérieure dans laquelle le palier fixe est logé sur le côté axialement opposé à la sortie de l'arbre moteur.
EP03727185A 2002-04-10 2003-04-10 Groupe moteur comportant un palier fixe Withdrawn EP1497903A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10215715 2002-04-10
DE10215715 2002-04-10
DE10241068 2002-09-05
DE10241068 2002-09-05
PCT/DE2003/001186 WO2003088453A1 (fr) 2002-04-10 2003-04-10 Groupe moteur comportant un palier fixe

Publications (1)

Publication Number Publication Date
EP1497903A1 true EP1497903A1 (fr) 2005-01-19

Family

ID=35645789

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03727185A Withdrawn EP1497903A1 (fr) 2002-04-10 2003-04-10 Groupe moteur comportant un palier fixe

Country Status (6)

Country Link
EP (1) EP1497903A1 (fr)
KR (1) KR100977644B1 (fr)
CN (1) CN1331298C (fr)
DE (2) DE10391628A5 (fr)
FR (1) FR2838575A1 (fr)
WO (1) WO2003088453A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006288137A (ja) * 2005-04-04 2006-10-19 Kayaba Ind Co Ltd モータ構造
DE102007046227A1 (de) * 2007-01-19 2008-07-24 Johnson Controls Gmbh Gleichstrommotor in Kompaktbauweise
DE102013208696A1 (de) * 2013-05-13 2014-11-13 Schaeffler Technologies Gmbh & Co. Kg Steckverbinderanordnung, Aktuator und Drehmomentübertragungseinrichtung
JP6278206B2 (ja) 2015-06-29 2018-02-14 コベルコ建機株式会社 電動機及びその製造方法
JP2019120964A (ja) 2017-12-28 2019-07-22 本田技研工業株式会社 レバー装置
IT202200018492A1 (it) * 2022-09-12 2024-03-12 Ferrari Spa Statore trifase di una macchina elettrica

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1087793A (en) * 1964-06-04 1967-10-18 Ass Elect Ind Improvements relating to dynamo-electric machines
CN1029343C (zh) * 1991-11-13 1995-07-12 精工爱普生株式会社 无刷直流电机
IT1259637B (it) * 1992-03-26 1996-03-25 Dorin Mario Spa Scatola per contatti di un motore elettrico con morsetteria ricavata di pezzo nella scatola
JP2862053B2 (ja) * 1993-04-02 1999-02-24 三菱電機株式会社 駆動制御装置付モータ
US5394043A (en) * 1993-06-29 1995-02-28 American Precision Industries Inc. High speed brushless motor
JP2990432B1 (ja) * 1998-05-12 1999-12-13 ミネベア株式会社 ステッピングモータ
JP2002010609A (ja) * 2000-06-23 2002-01-11 Matsushita Electric Ind Co Ltd Ｄｃファンモータおよびその製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03088453A1 *

Also Published As

Publication number Publication date
WO2003088453A1 (fr) 2003-10-23
KR20040097324A (ko) 2004-11-17
KR100977644B1 (ko) 2010-08-24
CN1331298C (zh) 2007-08-08
DE10316435A1 (de) 2003-11-13
CN1659763A (zh) 2005-08-24
FR2838575A1 (fr) 2003-10-17
DE10391628A5 (de) 2013-09-19

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