WO2016155718A1 - Elektromotor, insbesondere für einen hybridantrieb eines fahrzeuges - Google Patents
Elektromotor, insbesondere für einen hybridantrieb eines fahrzeuges Download PDFInfo
- Publication number
- WO2016155718A1 WO2016155718A1 PCT/DE2016/200126 DE2016200126W WO2016155718A1 WO 2016155718 A1 WO2016155718 A1 WO 2016155718A1 DE 2016200126 W DE2016200126 W DE 2016200126W WO 2016155718 A1 WO2016155718 A1 WO 2016155718A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotor
- electric motor
- motor according
- carrier
- tongue
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
- H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
Definitions
- Electric motor in particular for a hybrid drive of a vehicle
- the invention relates to an electric motor, in particular for a hybrid drive of a vehicle, comprising a rotor and a stator, wherein the stator surrounds the rotor and the rotor is attached to a rotor carrier.
- Hybrid drives are known in which the electric motor is second in series with the internal combustion engine (P2 hybrid topology). Between the internal combustion engine and the electric motor, a separating clutch is arranged, which allows a purely electric driving in the open state and transmits the torque of the internal combustion engine to the drive wheel in the closed state. Another task of the disconnect clutch is to start the internal combustion engine. For this purpose, by targeted increase of the torque of the electric motor and by closing the clutch energy transferred to the stationary engine and thus accelerated.
- the electric motor consists of the active parts stator and rotor, wherein the stator comprises the rotor which is arranged on a rotor carrier.
- the stator comprises the rotor which is arranged on a rotor carrier.
- it is known to connect the rotor core to the rotor carrier in the direction of the transmission.
- different methods are known.
- a transverse compression bond between the rotor laminated core and the rotor carrier, a tongue and groove connection between the rotor core and the rotor rotor or a splined connection can be used.
- the invention has for its object to provide an electric motor whose full performance can be used and in which a game in the circumferential direction between the rotor core and the rotor rotor is reliably prevented.
- the object is achieved in that a rotor core of the rotor rotor is connected via a tongue and groove connection and a transverse compression bandage with the Rotorträ-. Due to the combination of the Querpress saides with the tongue and groove connection axial and radial play of the rotor core stack is suppressed on the rotor arm, but without generating high voltages due to the cross-press dressing. The performance of the electric motor can thus be fully utilized.
- the round rotor core has a minimally smaller radius for clamping on the round rotor carrier than the rotor carrier.
- the rotor core packet having the smaller radius can be easily widened during assembly on the rotor carrier, which is why it rests firmly on this after sitting on the rotor carrier.
- This connection is designed so that under speed and thermal influences the rotor core always keeps in contact with the rotor carrier. As a result, the Zentri réelles monoe be maintained at any time during operation of the electric motor.
- the rotor laminated core has a plurality of local contact points for attachment to the rotor carrier on the side facing the rotor carrier in order to form the transverse press fit. These local contact points are over the entire Distributed connection area between rotor core and rotor carrier, so that a sufficiently strong transverse compression bond is generated.
- the rotor lamination stack lies completely against a complete circumference of the rotor carrier.
- the rotor lamination package lies completely against the rotor carrier and is pressed against the rotor carrier due to the smaller radius.
- the tongue and groove connection is formed from a spring which faces the rotor carrier from the rotor laminated core and which engages in an opposite groove formed on the rotor carrier.
- freedom of play in the circumferential direction is achieved by the targeted position of the play in the tongue and groove connection.
- the tongue and groove connection can also be formed from a groove on the rotor and a spring of the rotor carrier.
- the spring is laterally in the direction of movement of the rotor to the groove.
- Thrust torque from the rotor to the rotor carrier can be realized.
- magnet pockets are formed radially over the circumference within the rotor laminated core, in each of which a magnet is arranged. These magnets are in operative connection with a coil forming the stator, in the interaction with the rotor of which both the driving mode (tractive torque) and the generator mode (pushing torque) can be realized.
- the local contact points of the transverse compression bandage and / or the tongue and groove connection between two magnetic pockets are arranged.
- the local contact points of the transverse compression bandage are arranged below a magnet.
- the component voltage is prevented by the pads are optimally positioned.
- the rotor carrier is designed as a hub or as a coupling. Through the rotor laminated core while the movement of the rotor is reliably transmitted to the hub and / or the clutch.
- 1 is a schematic diagram of a hybrid drive
- FIG. 2 shows an exemplary embodiment of a rotor of an electric motor according to the invention
- FIG. 3 shows a detail of the exemplary embodiment according to FIG. 2
- the electric motor The electric motor.
- Fig. 1 is a schematic diagram of a drive train 1 of a hybrid vehicle is shown.
- This drive train 1 comprises an internal combustion engine 2 and an electric motor 3 arranged in series behind it. Between the internal combustion engine 2 and the electric motor 3, a separating clutch 4 is arranged directly behind the internal combustion engine 2. Internal combustion engine 2 and separating clutch 4 are connected to each other via a crankshaft 5.
- the electric motor 3 has a rotatable rotor 6 and a fixed stator 7.
- the output shaft 8 of the separating clutch 4 leads to a transmission 9, which contains a coupling element (not further illustrated), for example a second clutch or a torque converter, which is arranged between the electric motor 3 and the transmission 9.
- the transmission 9 transmits the torque generated by the internal combustion engine 2 and / or the electric motor 3 to the drive wheels 10 of the hybrid vehicle.
- the electric motor 3 and the transmission 9 thereby form a transmission system 1 1.
- the separating clutch 4 arranged between the internal combustion engine 2 and the electric motor 3 is closed to supply the internal combustion engine 2 with the torque generated by the electric motor 3 during the travel of the hybrid vehicle start or drive during a boost operation with driving internal combustion engine 2 and electric motor 3.
- the rotor 6 of the electric motor 3 consists of a rotor core 12, which is arranged on a serving as a rotor hub 13.
- the annular rotor core 12 and the round hub 13 have a low overlap, which means that a radius of the rotor core 12 is slightly smaller than a radius of the hub 13.
- magnetic pockets 14, 15 are formed, in each of which two magnets 16, 17 are arranged, which are mutually inclined, for example, at an obtuse angle.
- these cams 18 are formed at a uniform distance around the entire circumference of the rotor core 12 and pressed against the hub 13 and thus form the transverse compression bandage, which allows a radial and axial movement of the rotor 3.
- FIG. 3 shows an enlarged section A from FIG. 2, which shows a cam 18 worked out from the rotor laminated structure 12, which is pressed against the hub 13.
- a cam 18 worked out from the rotor laminated structure 12, which is pressed against the hub 13.
- This transverse compression bandage is designed so that the rotor laminated core 12 always maintains contact with the hub 13 both under rotational speed and under thermal influences.
- FIG. 2 additionally shows a tongue and groove connection 19 between rotor laminated core 12 and hub 13, which is shown in greater detail in FIG. 4.
- the rotor core 12 is shown only by the springs 20, 21 machined out of the rotor core 12.
- the driving operation of the electric motor 3 (arrow B) is realized by a first tongue and groove connection 19 and a generator operation of the electric motor 3 (arrow C) by a separate second tongue and groove connection 22.
- the play-free transmission of the tensile torque in Driving and Schubmonnentes in generator mode is realized by the springs 20.21 and the grooves 23, 24.
- Each spring 20, 21 engages in the associated groove 23, 24, which are formed in the hub 13.
- a recess 25 is incorporated in the rotor lamination packet 12 in front of the adjacent region of the groove 23, 24 and spring 20, 21 before each tongue and groove connection 19 (FIG. 2).
- the described solution thus relates to a combination consisting of two tongue and groove connections 19, 22 and a reduced transverse compression bandage for transmitting the torque from the rotor 3 to the rotor carrier 13. Radial and axial movement of the rotor 3 is thereby by means of local contact points in the form of Cams 18 between see rotor 3 and hub 13 realized, which have a low overlap. The actual torque transmission takes place via the respective tongue and groove connection 21, 22.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/562,933 US20180091010A1 (en) | 2015-03-31 | 2016-03-09 | Electric motor for a vehicle hybrid drive system |
DE112016001494.5T DE112016001494A5 (de) | 2015-03-31 | 2016-03-09 | Elektromotor, insbesondere für einen Hybridantrieb eines Fahrzeuges |
CN201680019332.1A CN107431398A (zh) | 2015-03-31 | 2016-03-09 | 电动机,特别用于交通运输工具的混合驱动装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015205749.6 | 2015-03-31 | ||
DE102015205749.6A DE102015205749A1 (de) | 2015-03-31 | 2015-03-31 | Elektromotor, insbesondere für einen Hybridantrieb eines Fahrzeuges |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016155718A1 true WO2016155718A1 (de) | 2016-10-06 |
Family
ID=55661013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2016/200126 WO2016155718A1 (de) | 2015-03-31 | 2016-03-09 | Elektromotor, insbesondere für einen hybridantrieb eines fahrzeuges |
Country Status (4)
Country | Link |
---|---|
US (1) | US20180091010A1 (de) |
CN (1) | CN107431398A (de) |
DE (2) | DE102015205749A1 (de) |
WO (1) | WO2016155718A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021047719A1 (de) | 2019-09-10 | 2021-03-18 | Schaeffler Technologies AG & Co. KG | Antriebsstrangvorrichtung, elektromotor und rotor |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6625216B2 (ja) * | 2016-07-11 | 2019-12-25 | 三菱電機株式会社 | ロータ、電動機、送風機、圧縮機および空気調和装置 |
DE102020003956A1 (de) | 2020-07-01 | 2022-01-05 | Neumayer Tekfor Engineering Gmbh | Verfahren zum Erzeugen einer Rotorwelle sowie Rotorwelle für eine E-Maschine |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007032138A1 (de) * | 2007-06-30 | 2009-01-02 | Robert Bosch Gmbh | Rotor für eine elektrische Maschine sowie Verfahren zur Befestigung von Lamellen- oder Rotorblechpaketen auf einer Rotorwelle oder einem Rotorträger eines Rotors |
EP2560268A2 (de) * | 2011-08-19 | 2013-02-20 | Kabushiki Kaisha Yaskawa Denki | Rotor für elektrische Drehmaschine, elektrische Drehmaschine und Endstirnelement für Rotor |
US20130076163A1 (en) * | 2011-09-27 | 2013-03-28 | Lg Innotek Co., Ltd. | Rotor having shaft slip inhibition structure and motor having the same |
US20150061443A1 (en) * | 2013-08-29 | 2015-03-05 | Denso Corporation | Rotor and rotary electric machine having the same |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9321785D0 (en) * | 1993-10-22 | 1993-12-15 | Johnson Electric Sa | Permanent magnet rotor |
EP2101396B1 (de) * | 2008-03-14 | 2018-08-01 | ZF Friedrichshafen AG | Rotor für eine elektrische Maschine und elektrische Maschine für einen Kraftfahrzeugantriebsstrang |
DE102010063086A1 (de) * | 2009-12-21 | 2011-06-22 | Robert Bosch GmbH, 70469 | Rotor für eine elektrische Maschine |
-
2015
- 2015-03-31 DE DE102015205749.6A patent/DE102015205749A1/de not_active Withdrawn
-
2016
- 2016-03-09 WO PCT/DE2016/200126 patent/WO2016155718A1/de active Application Filing
- 2016-03-09 DE DE112016001494.5T patent/DE112016001494A5/de active Pending
- 2016-03-09 CN CN201680019332.1A patent/CN107431398A/zh active Pending
- 2016-03-09 US US15/562,933 patent/US20180091010A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007032138A1 (de) * | 2007-06-30 | 2009-01-02 | Robert Bosch Gmbh | Rotor für eine elektrische Maschine sowie Verfahren zur Befestigung von Lamellen- oder Rotorblechpaketen auf einer Rotorwelle oder einem Rotorträger eines Rotors |
EP2560268A2 (de) * | 2011-08-19 | 2013-02-20 | Kabushiki Kaisha Yaskawa Denki | Rotor für elektrische Drehmaschine, elektrische Drehmaschine und Endstirnelement für Rotor |
US20130076163A1 (en) * | 2011-09-27 | 2013-03-28 | Lg Innotek Co., Ltd. | Rotor having shaft slip inhibition structure and motor having the same |
US20150061443A1 (en) * | 2013-08-29 | 2015-03-05 | Denso Corporation | Rotor and rotary electric machine having the same |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021047719A1 (de) | 2019-09-10 | 2021-03-18 | Schaeffler Technologies AG & Co. KG | Antriebsstrangvorrichtung, elektromotor und rotor |
Also Published As
Publication number | Publication date |
---|---|
US20180091010A1 (en) | 2018-03-29 |
DE102015205749A1 (de) | 2016-10-06 |
DE112016001494A5 (de) | 2017-12-21 |
CN107431398A (zh) | 2017-12-01 |
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