WO2023180036A1 - Entraînement comprenant un moteur électrique, une partie boîtier et un module électronique - Google Patents

Entraînement comprenant un moteur électrique, une partie boîtier et un module électronique Download PDF

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Publication number
WO2023180036A1
WO2023180036A1 PCT/EP2023/055327 EP2023055327W WO2023180036A1 WO 2023180036 A1 WO2023180036 A1 WO 2023180036A1 EP 2023055327 W EP2023055327 W EP 2023055327W WO 2023180036 A1 WO2023180036 A1 WO 2023180036A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
electric motor
housing part
drive according
connector
Prior art date
Application number
PCT/EP2023/055327
Other languages
German (de)
English (en)
Inventor
Udo Laubenstein
Franz Daminger
Simon Zeller
Nils Kern
Original Assignee
Sew-Eurodrive Gmbh & Co. Kg
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 Sew-Eurodrive Gmbh & Co. Kg filed Critical Sew-Eurodrive Gmbh & Co. Kg
Publication of WO2023180036A1 publication Critical patent/WO2023180036A1/fr

Links

Classifications

    • 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
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • 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
    • 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
    • H02K11/30—Structural association with control circuits or drive circuits
    • 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
    • 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
    • H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
    • H02K2211/03—Machines characterised by circuit boards, e.g. pcb
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/09—Machines characterised by the presence of elements which are subject to variation, e.g. adjustable bearings, reconfigurable windings, variable pitch ventilators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/12—Machines characterised by the modularity of some components
    • 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
    • H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/26—Means for adjusting casings relative to their supports
    • 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
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
    • H02K7/1021—Magnetically influenced friction brakes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
    • H02K9/227—Heat sinks

Definitions

  • the invention relates to a drive, comprising an electric motor, a housing part and a
  • a drive has an electric motor.
  • a drive system is known from DE 10 2013 205 897 A1.
  • the electric motor is inserted into a receiving area of the housing part, in particular wherein the receiving area has a cylindrical inner wall section.
  • the advantage here is that a plug-in interface is created between the electric motor and the rest of the drive, which enables the exchange of a first electric motor, which, for example, has a first maximum electrical power, with another electric motor, which, for example, has a larger axial length and thus makes a higher maximum performance achievable.
  • the electronic module which is also pluggably connected, makes it possible to provide a high variety of drives with a small number of different electric motors and electronic modules.
  • the plug-in interfaces can be used quickly and therefore cost-effectively.
  • recycling can be carried out quickly and easily because the different modules can be separated quickly and easily.
  • Efficient heat dissipation is achieved by inserting the electric motor into the receiving area, which has ribs on the outside.
  • power electronics or their power semiconductor switches can be pressed onto the housing part and can therefore be efficiently heat dissipated.
  • the drive can be designed to be compact, i.e. with high performance per construction volume.
  • the receiving area (1) has a cylindrical inner wall section for receiving the correspondingly cylindrical area of the housing of the electric motor or alternatively has a cuboid inner wall section for receiving the correspondingly rectangular area of the housing of the electric motor.
  • a mating connector part of the electronic module is electrically plug-connected to a first plug connector part or to a second plug connector part, the first plug connector part and the second plug connector part being fitted on a first circuit board which is connected to the housing part, the first and second plug connector parts are arranged on the first circuit board in such a way that the first connector part merges into the second connector part with an imaginary rotation of 180 °, in particular is arranged and designed identically to the second connector part, in particular wherein the rotation is carried out about an axis of rotation which is perpendicular to the Insertion direction of the electric motor is aligned in the housing part and which is aligned parallel to the normal direction of a plane receiving the first circuit board and / or the flat side of the power module facing the electronic module and / or which is aligned perpendicular to the axis of rotation of the rotor shaft.
  • the advantage here is that the electronic module can be placed in two different orientations and the cable outlets can therefore be aligned in different directions.
  • annular ribs which project radially outwards and are continuous in the circumferential direction are formed on the housing part, which are each spaced apart from one another in the axial direction, in particular evenly spaced apart.
  • the receiving area is designed to be internally cylindrical.
  • the advantage here is that the electric motor can be in contact with the receiving area as closely as possible and thus a low heat transfer resistance.
  • the annular ribs which are concentric with one another, increase the surface area and thereby reduce it the heat transfer resistance.
  • the ribs are spaced apart from one another, in particular at a regular interval.
  • the housing part has an intermediate wall which has a continuous recess which is at least partially covered by an annular adapter plate connected to the intermediate wall, which is connected to the intermediate wall and through which contact pins of the electric motor protrude.
  • an annular adapter plate connected to the intermediate wall, which is connected to the intermediate wall and through which contact pins of the electric motor protrude.
  • an interior area is delimited by the housing part and by a cover connected to the housing part, the adapter plate being arranged in the interior area, in particular the interior area being arranged on the side of the partition wall facing away from the electric motor, in particular from the housing of the electric motor.
  • the lid has excellent ribs on its inside, in particular on its side facing the interior area, in particular wherein the ribs form a lattice structure and / or first ribs that extend parallel to one another cross second ribs that extend parallel to one another.
  • the advantage here is that efficient heat dissipation of air flowing past can be achieved.
  • the cover has a cross web which is spaced apart from the ribs and is arranged between the ribs and the angle sensor, in particular the cover being designed in two parts, a first part being designed as a cast part having the ribs and the second part of the lid is designed as a punched sheet with the cross bar.
  • the advantage here is that improved, efficient heat dissipation of the air flowing in the interior area is possible.
  • the rotor shaft of the electric motor projects through a recess in the adapter plate, in particular into an interior area, and is connected to the rotor of an angle sensor, the stator of which is connected to a second circuit board, which is aligned parallel to the third circuit board and with which third circuit board is also arranged together in the interior area.
  • the second and third circuit boards are arranged in a protected manner in the interior area and are cooled via the cover connected to the housing part, in that a convective air flow flows along in the interior area between the circuit boards and the cover.
  • the third circuit board and the second circuit board are both detachably connected to the housing part and electrically to a first circuit board, the third circuit board being connected to the first circuit board by means of an electrical plug-in connection, the electrical plug-in connection being the one fitted on the first circuit board Has mating connectors and the connector fitted on the third circuit board.
  • an electromagnetically actuated brake is arranged in the electric motor, the control line of which is guided through a recess in the adapter part into the interior area towards the third circuit board.
  • the third circuit board is attached to the housing part, in particular to the intermediate wall of the housing part.
  • the advantage here is that the power supply to the electric motor takes place from the first circuit board via the third circuit board to the electric motor.
  • the power semiconductor switches fitted on the first circuit board are connected to the housing part in a heat-conducting manner.
  • the contact pins protrude through the recess in the intermediate wall and through respective recesses in the adapter plate.
  • the first circuit board is equipped with power semiconductors which are connected to the housing part in a heat-conducting manner, in particular the first circuit board is attached to the housing part, in particular the third circuit board is equipped with a plug connector which is plug-connected to the corresponding mating connector is populated on the first circuit board.
  • the third circuit board is aligned perpendicular to the first circuit board, in particular wherein the third circuit board is aligned parallel to the second circuit board.
  • the plug connection direction for inserting the electric motor into the receiving area is aligned parallel to the first circuit board.
  • a fourth circuit board is arranged in the electronics module, which is equipped with signal electronics, wherein the mating connector part fitted on the fourth circuit board is plug-connected to the first or second connector part, depending on the orientation of the electronic module.
  • sockets are molded and/or cast on the electronic module, into which angle plugs can be inserted in such a way that the cable outlet of the angle plug has an angle to the direction of the axis of rotation of the rotor shaft of the electric motor between 20° and 70°, in particular wherein the cable outlet of the Angle plug is aligned perpendicular to the normal direction of the plane receiving the first circuit board and / or that the cable outlet of the angle plug is perpendicular to the normal direction of the side of the first circuit board facing away from the housing part, which is designed as a flat surface.
  • the sockets are permanently attached to the electronic module. This means that the cable outlet on angle plugs, which can only be plugged into the sockets in an orientation specified by positive locking, is specified in a defined manner.
  • the direction of the cable outlet can be specified by the design of the electronic module.
  • a different direction of the cable outlet can be specified.
  • a sealing ring is placed on the housing of the electric motor, which seals against the receiving area of the housing part.
  • FIG. 1 shows a drive according to the invention with the electronic module 12 removed in an oblique view.
  • FIG. 1 A sectional view of the drive is shown in FIG.
  • Figure 4 shows an oblique view of the assembled drive.
  • FIG 5 shows a top view of the electronic module 12 with inserted angle plugs (50, 51, 52).
  • FIG. 10 An electric motor 10 of the drive is shown in FIG.
  • the electric motor 10 of the drive is at least partially inserted into a receiving area 1 of a housing part 2 of the drive.
  • the receiving area 1 is designed to be cylindrical on the inside and to the outside it has annular ribs which project radially outwards, which are designed to be continuous in the circumferential direction and are spaced apart from one another in the axial direction, in particular evenly spaced apart.
  • the electric motor 10 rests with its motor housing on the inner wall of the receiving area 1, so that a heat flow flows from the motor housing via the receiving area 1 and its ribs to the environment.
  • the axial direction is parallel to the direction of the axis of rotation of the rotor shaft
  • the electric motor 10 has axially directed contact pins 83 on its B side, which, when the electric motor 10 is inserted into the receiving area 1, are brought into electrical contact with connection elements, in particular sockets, which are fitted on a third circuit board 31, the normal direction of which is in the axial direction is aligned.
  • the third circuit board 31 is equipped with a connector 37, which is in contact with a mating connector 36, which is equipped on a first circuit board 35, which is aligned perpendicular to the third circuit board 31.
  • the first circuit board 35 is arranged in the housing part 2, with an electronic module 12 being placed on the housing part 2 of the drive, with the mating connector 36 of the first circuit board 35 being brought into contact with the connector 37 of the third circuit board 31 during this placement.
  • the third circuit board 31 is arranged in an interior area surrounded by the housing part 2 and a cover 5 attached to the housing part 2.
  • a round recess is provided in an intermediate wall 38 of the housing part 2, which is covered with an adapter plate 81.
  • the adapter plate 81 is detachably connected to the intermediate wall 38.
  • the rotor shaft of the electric motor 10 protrudes into the interior area through a recess in the adapter plate 81 and is connected to the rotor of an angle sensor 30, the stator of which is connected to a second circuit board 32, which is aligned parallel to the third circuit board 31 and is also arranged in the interior area is.
  • the third circuit board 31 and the second circuit board 32 are both detachably connected to the housing part 2 and electrically connected to the first circuit board 35.
  • An electromagnetically actuated brake is arranged in the electric motor 10, the control line 82 of which is led through a recess in the adapter plate 81 into the interior area to the third circuit board 31.
  • the third circuit board 31 is attached to the intermediate wall of the housing part 2.
  • the contact pins 83 protrude through the recess in the intermediate wall and through respective recesses in the annular adapter plate 81.
  • the cover 5 has ribs 61 that protrude inwards on its inside and a cross web 60 which is spaced from the ribs 61 and is connected to the edge, in particular to the outer edge.
  • Air warmed up by the third circuit board or by the angle sensor comprising the second circuit board thus flows convectively past the cover 5 and releases heat not only on the cross web 60 but also on the ribs 61 of the cover 5.
  • the cover 5 reduces the heat transfer resistance from the interior area to the external environment.
  • a fourth circuit board 33 Aligned parallel to the first circuit board 35, a fourth circuit board 33, which is equipped with signal electronics, is arranged in the housing 6 of the electronics module 12.
  • This signal electronics generates pulse width modulated control signals for power semiconductor switches of power electronics, which are fitted on the first circuit board 35 and are connected to the housing part 2 in a heat-conducting manner, in particular are pressed against the housing part 2.
  • the first circuit board 35 is attached to the housing part 2 and covered with a thermal barrier 11, which is arranged between the electronic module and the first circuit board 35.
  • the thermal barrier 11 is mechanically connected to the housing part 2. Only a first connector part 3 and a second connector part 4 protrude through the thermal barrier 11, so that a mating connector part, which is on the fourth Depending on the orientation of the electronic module 12 towards the housing part 2, the printed circuit board 33 can be inserted either into the first connector part 3 or into the second connector part 4.
  • the first plug connector part 3 and the second plug connector part 4 are arranged in such a way and the corresponding mating plug connector part is arranged on the electronics module 12 in such a way that this mating plug connector part can be plugged into the first plug connector part 3 in a first relative orientation of the electronics module 12 to the housing part 2 when it is put on and at a 180 ° rotated orientation of the electronic module 12, the mating connector part can be plugged into the second connector part 4.
  • the first connector part 3 is aligned by an imaginary rotation of 180° about an axis of rotation which intersects the axis of rotation of the rotor shaft and is parallel to the plug-in direction of the plug-in connection formed from the respective plug-in connector part (3, 4) and the mating plug-in connector part.
  • the heat dissipation of the power semiconductor switches, in particular IGBT, is therefore made possible via the housing part 2.
  • the electronic module 12 can therefore be quickly and easily connected to the rest of the drive. For this purpose, it can be electrically plugged in by means of the plug connection with the plug connector part 4 when the mating plug connector part 3 of the electronic module 12 is put on.
  • Sockets 6, 7 and 8 are cast on the top of the electronics module 12, that is to say on the side of the housing 6 of the electronics module facing away from the housing part 2.
  • angle plugs (50, 51, 52) can be inserted into the sockets (6, 7, 8), each of which has a cable outlet that is inclined at 90° to the respective plug connection direction, i.e. are arranged in a plane Normal direction is aligned perpendicular to the axis of rotation of the rotor shaft of the electric motor.
  • the sockets (6, 7, 8) are designed mechanically with notches and/or nose areas aligned radially inwards in such a way that they are designed accordingly
  • Angle plugs (50, 51, 52) provided with radially outwardly directed nose areas and/or notches can only be connected in such an orientation that the respective cable outlet has an angle of less than 90° to the direction of the axis of rotation of the rotor shaft, in particular an angle between 20 ° and 70°.
  • the sockets (6, 7, 8) are not cast, but rather secured in a form-fitting manner against rotation.

Abstract

L'invention concerne un entraînement comprenant un moteur électrique, une partie boîtier et un module électronique, le moteur électrique étant inséré dans une zone de réception de la partie boîtier
PCT/EP2023/055327 2022-03-23 2023-03-02 Entraînement comprenant un moteur électrique, une partie boîtier et un module électronique WO2023180036A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022001009.7 2022-03-23
DE102022001009.7A DE102022001009B3 (de) 2022-03-23 2022-03-23 Antrieb, aufweisend einen Elektromotor, ein Gehäuseteil und ein Elektronikmodul

Publications (1)

Publication Number Publication Date
WO2023180036A1 true WO2023180036A1 (fr) 2023-09-28

Family

ID=85477937

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/055327 WO2023180036A1 (fr) 2022-03-23 2023-03-02 Entraînement comprenant un moteur électrique, une partie boîtier et un module électronique

Country Status (2)

Country Link
DE (2) DE102022001009B3 (fr)
WO (1) WO2023180036A1 (fr)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9415935U1 (de) * 1994-10-04 1994-11-24 Grundfos As Pumpenaggregat
DE10036234A1 (de) 2000-07-26 2002-02-21 Lenze Gmbh & Co Kg Aerzen Frequenzumrichter mit einem aus Oberteil und Unterteil bestehenden Gehäuse
EP1237260A2 (fr) * 2001-03-01 2002-09-04 SEW-EURODRIVE GMBH & CO. Moteur à convertisseur et gamme de système d'entraínement
DE102004063920A1 (de) 2004-04-01 2005-12-08 Sew-Eurodrive Gmbh & Co. Kg Baureihe von Elektromotoren
DE102007034915A1 (de) 2007-07-24 2009-02-05 Sew-Eurodrive Gmbh & Co. Kg Motoranschlusskasten und Umrichtermotor
US20130099609A1 (en) * 2011-10-21 2013-04-25 Mitsuba Corporation Brushless motor
DE102013205897A1 (de) 2013-04-03 2014-10-09 Lenze Drives Gmbh Antriebssystem
EP2824014A1 (fr) * 2013-07-08 2015-01-14 Fagor, S. Coop. Dispositif d'entraînement électrique
DE102015219951A1 (de) 2015-10-14 2017-04-20 Lenze Drives Gmbh Elektromotor
DE102018108716A1 (de) 2018-04-12 2019-10-17 Lenze Drives Gmbh Elektromotor mit integriertem Drehgeber
EP2993765B1 (fr) * 2013-04-30 2020-03-11 Mitsuba Corporation Dispositif moteur
EP3929446A1 (fr) * 2020-06-26 2021-12-29 Grundfos Holding A/S Moteur de pompe avec un module électronique refroidi composé de deux parties
DE202021106055U1 (de) * 2020-11-06 2022-02-04 China Leadshine Technology Co.,Ltd. Integrierter Servomotor

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9415935U1 (de) * 1994-10-04 1994-11-24 Grundfos As Pumpenaggregat
DE10036234A1 (de) 2000-07-26 2002-02-21 Lenze Gmbh & Co Kg Aerzen Frequenzumrichter mit einem aus Oberteil und Unterteil bestehenden Gehäuse
EP1237260A2 (fr) * 2001-03-01 2002-09-04 SEW-EURODRIVE GMBH & CO. Moteur à convertisseur et gamme de système d'entraínement
DE102004063920A1 (de) 2004-04-01 2005-12-08 Sew-Eurodrive Gmbh & Co. Kg Baureihe von Elektromotoren
DE102004033745A1 (de) 2004-04-01 2006-01-12 Sew-Eurodrive Gmbh & Co. Kg Elektromotor und Baureihe von Elektromotoren
DE102007034915A1 (de) 2007-07-24 2009-02-05 Sew-Eurodrive Gmbh & Co. Kg Motoranschlusskasten und Umrichtermotor
US20130099609A1 (en) * 2011-10-21 2013-04-25 Mitsuba Corporation Brushless motor
DE102013205897A1 (de) 2013-04-03 2014-10-09 Lenze Drives Gmbh Antriebssystem
EP2993765B1 (fr) * 2013-04-30 2020-03-11 Mitsuba Corporation Dispositif moteur
EP2824014A1 (fr) * 2013-07-08 2015-01-14 Fagor, S. Coop. Dispositif d'entraînement électrique
DE102015219951A1 (de) 2015-10-14 2017-04-20 Lenze Drives Gmbh Elektromotor
DE102018108716A1 (de) 2018-04-12 2019-10-17 Lenze Drives Gmbh Elektromotor mit integriertem Drehgeber
EP3929446A1 (fr) * 2020-06-26 2021-12-29 Grundfos Holding A/S Moteur de pompe avec un module électronique refroidi composé de deux parties
DE202021106055U1 (de) * 2020-11-06 2022-02-04 China Leadshine Technology Co.,Ltd. Integrierter Servomotor

Also Published As

Publication number Publication date
DE102023000794A1 (de) 2023-09-28
DE102022001009B3 (de) 2023-05-04

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