WO2001061826A1 - Dispositif pour convertir l'energie electrique en energie mecanique et/ou inversement, en particulier ensemble moteur/generateur combine - Google Patents

Dispositif pour convertir l'energie electrique en energie mecanique et/ou inversement, en particulier ensemble moteur/generateur combine Download PDF

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Publication number
WO2001061826A1
WO2001061826A1 PCT/EP2001/001763 EP0101763W WO0161826A1 WO 2001061826 A1 WO2001061826 A1 WO 2001061826A1 EP 0101763 W EP0101763 W EP 0101763W WO 0161826 A1 WO0161826 A1 WO 0161826A1
Authority
WO
WIPO (PCT)
Prior art keywords
connection
coil
contact means
coils
circumferential direction
Prior art date
Application number
PCT/EP2001/001763
Other languages
German (de)
English (en)
Inventor
Erich Walter Frank
Original Assignee
Pfisterer Kontaktsysteme 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 Pfisterer Kontaktsysteme Gmbh & Co. Kg filed Critical Pfisterer Kontaktsysteme Gmbh & Co. Kg
Priority to EP01919293A priority Critical patent/EP1256161A1/fr
Publication of WO2001061826A1 publication Critical patent/WO2001061826A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/52—Fastening salient pole windings or connections thereto
    • H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
    • H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28—Layout of windings or of connections between windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/09—Machines characterised by wiring elements other than wires, e.g. bus rings, for connecting the winding terminations

Definitions

  • the invention relates to a device for converting electrical into mechanical energy and / or vice versa with a rotor and a stator, in particular a combined motor / generator device, according to the preamble of claim 1.
  • the coil connections of all coils must be led out of the device and an interconnection of the coils with one another to form coil groups or the interconnection of the coil connections with the electrical connections of the device must be effected outside the device by electrical and / or electronic switching means.
  • the effort involved in producing and maintaining such devices is increased and operational reliability is reduced.
  • the US 3,508,138 shows a generator with several coil connections that can be connected in series or in parallel with a separate rotary switch.
  • the US 1, 685,963 shows an alternating current (AC) transmission system in which twelve coils can be connected to one another and to a 3-phase transmission line via a linearly arranged switch row of a total of twelve switches, all switches being operable together by means of a switch rod.
  • AC alternating current
  • WO 98/39833 shows a brushless direct current (DC) motor with a series of stator windings, some or all of which can be connected to the operating voltage by means of a control device.
  • DC direct current
  • DE 299 08 718 U1 shows a motor / generator device according to the preamble of claim 1, the connection of the coils being carried out at the latest when the device is installed and cannot be changed in later operation.
  • the invention is based on the problem of providing a generic device which overcomes the disadvantages of the prior art.
  • a device is to be provided which is versatile and can be used for a very wide variety of applications, in particular in which the coils of a coil group can optionally be connected electrically in series or in parallel and / or the coils can optionally be connected in a star or delta connection, and which are simple in that Manufacturing and maintenance as well as reliable in operation.
  • the problem is solved by the device defined in claim 1.
  • Particular embodiments of the invention are defined in the subclaims.
  • Switching means which is integrated in the device, eliminates the need to lead out the coil connections that are to be connected to one another, depending on the series or parallel connection. Additional and in particular external electrical and / or electronic switching means can therefore at least partially be omitted. Due to the rotating switching means and the switching means arranged distributed in the circumferential direction, the coil connections can be electrically contacted directly at the position specified by the respective coil. By means of the switching means, the coils can, for example, optionally be switched in star or delta connection. As an alternative or in addition, the switching means can also be used to connect coils of a coil group distributed in the circumferential direction in parallel or in series. The switch position can be selected depending on the performance requirements of the device. The switching means can also have a switching position in which the coils are electrically separated from one another and / or from the electrical connections. One is also possible
  • Embodiment of the invention in which the coils of each coil group can be connected in parallel or in series by a first switching means and the coil group can be switched in a star or delta connection by a second switching means.
  • Each coil group has its own, usually two-pole electrical connection. For each coil group, therefore, a maximum of two electrical connections can be made out of the device, which with the required when the device is used as a motor Power supply and in the case of use as a generator can be connected to a corresponding power take-off and / or generator device.
  • Such devices can be used for example as a motor / generator device in a motor vehicle or in other land, water and aircraft.
  • the parallel connection of the coils within each coil group can, for. B. switched to start an internal combustion engine, wherein a high current results in a high starting torque.
  • the series connection can be used, for example, in generator use to use a high current at low speed to supply the other on-board electronics or at high speed to provide a high current at low voltage to charge the on-board batteries.
  • the switching means has a switching ring rotating in the circumferential direction. Due to the closed switching ring, the essentially radial contact forces are easy to apply and essentially cancel each other out.
  • the angle of rotation required for switching is determined, for example, from the number of coil groups and the number of coils per coil group and is a maximum of 90 ° and preferably less than 20 °.
  • a first coil connection of a first coil of each coil group is fixedly connected to a first connection electrode of the respective coil group, and a second coil connection of a last coil of each coil group is fixedly connected to a second connection electrode of the respective coil group.
  • the first and second connection electrodes of each coil group can be electrically contacted from outside the device.
  • the first and second connection electrodes are preferred guided by connecting distributors extending in the circumferential direction to each coil of the associated coil group.
  • the connection distributors are formed, for example, by curved strips made of an electrically highly conductive material and can form a closed ring.
  • connection distributors are preferably guided in one piece to the outside of the device, where they also form in one piece a connection contact, for example a plug socket or a plug pin, for further electrical contacting.
  • connection distributors can be arranged radially and / or axially adjacent to the coils. They guarantee short connection paths to the coils and thus a low-impedance connection and make the costly provision and installation of connection lines unnecessary.
  • connection contact means which is arranged in each case at a circumferential position corresponding to the associated coil, and the switching means has connection contact means which are arranged radially and / or axially with respect to the connection contact means.
  • the electrically conductive connection contact means are for example embedded in the electrically insulating switching ring and have one
  • connection contact means and / or the connection contact means are supported by a radially and / or axially adjacent and circumferential support or tension ring in the direction of the connection contact means or connection contact means.
  • connection elements with an at least partially circular-cylindrical outer peripheral surface are arranged, the longitudinal axis of which is parallel to the rotor or stator axis.
  • the circular-cylindrical outer peripheral surface results in linear contacts between the connecting elements and the connecting contact means or connecting contact means, and thus a permanently high current carrying capacity.
  • the rolling of the circular-cylindrical outer peripheral surface of the connecting elements on the connection contact means or connection contact means also results in self-cleaning of the contact surfaces.
  • connection elements spaced apart in the circumferential direction connect two connection contact means by means of the connection contact means assigned to them due to its position in the circumferential direction.
  • the two connection elements are always in electrical contact with the connection contact means and, when the switching means rotates, change the previous electrical contact to a first connection contact means to an electrical contact with a second connection contact means adjacent to the first in the circumferential direction.
  • FIG. 1 shows a perspective view of an incomplete representation of a first embodiment of the invention
  • Fig. 2 shows a detail of the device of Fig. 1 in an enlarged view
  • FIG. 3 shows a section of an incomplete supervision of a second embodiment
  • Fig. 4 shows the circuit diagram of the parallel connection of the coils one
  • Coil group and Fig. 5 shows the circuit diagram of a series connection of the coils one
  • FIG. 1 shows a perspective view of an incomplete representation of a first embodiment 1 of the invention. Only the stator 2 is shown, which has three coil groups, each of which has four coils 3a to 3d, 4a to 4d, 5a to 5d arranged distributed in the circumferential direction 6. In the circumferential direction 6, the coils 3a to 3d of the first coil group and the coils 4a to 4d, 5a to 5d of the second and third coil groups are arranged alternately in succession 3a-4a-5a-3b-4b -...- 4d-5d.
  • the coils 3a to 3d, 4a to 4d, 5a to 5d of each coil group can each be switched electrically in series or electrically in parallel by a switching means which extends and rotates in the circumferential direction 6 and has a switching ring 8 which runs in the circumferential direction 6.
  • a switching means which extends and rotates in the circumferential direction 6 and has a switching ring 8 which runs in the circumferential direction 6.
  • the coils 4a to 4d and 5a to 5d of the second and third coil groups are wired or connected in a corresponding manner.
  • FIG. 2 shows a detail of the device of FIG. 1 in an enlarged view.
  • a first coil connection 9 of the first coil 3a of the first coil group is firmly connected to a first connection electrode 10 of the first coil group, for example pressed, glued, soldered or welded.
  • the first connection electrode 10 is formed with the formation of a first connection distributor 10b as an almost closed ring-shaped band made of an electrically conductive material, for example copper, and is guided in one piece to the outside of the device and can be electrically contacted there by means of a first connection lug 10a.
  • a second coil connection 11 of a last coil 3d of the first coil group (not shown in FIG. 2) of the first coil group is connected to a second connection electrode, which can also be electrically contacted via a second connection distributor 12b from outside the device by means of a connection tab 12a.
  • Connection distributors 10b, 12b extending in the circumferential direction are guided to each coil 3a to 3b of the associated coil group.
  • the second coil connection 13 of the first coil 3a of the first coil group to be connected by the switching means is firmly connected to a flat and curved connection element 14 which is passed under the connection distributors 10b, 12b and forms a first connection contact means 1 5 for the second coil connection 13 in one piece.
  • the first connection contact means 15 is arranged circumferentially at a position corresponding to the coil 3a and forms a part-circular cylindrical outer surface on which a connecting element 16 in the form of a circular cylindrical roller or needle can roll or can be displaced.
  • connection element 16 rolls on a flat connecting contact means 17 and / or is displaceable on it, wherein the electrically conductive connection contact means 1 7 is embedded in the electrically insulating switching ring 8 in a rotationally fixed manner.
  • the connection element 16 is permanently in electrical contact with a further connection element 18, which in the position shown is in contact with a part-circular cylindrical second connection contact means 19, which is formed in one piece by the second connection distributor 12b of the second connection electrode.
  • the first coil 3a of the first coil group is therefore connected between the two connecting lugs 10a, 12a and thus connected in parallel with the further coils 3b to 3d of the first coil group.
  • connection of the second coil connection 1 3 to the second connection lug 1 2a is interrupted and instead a connection between the second coil connection 1 3, the first Connection contact means 1 5, the further connection element 18, the connection contact means 1 7 and the connection element 16 connected to a third connection contact means 20.
  • the third connection contact means 20 is connected via a part-circular curved connection distributor 21 to a further connection contact means (not shown in FIG. 2), which is arranged in a circumferential direction 6 at a position corresponding to the second coil 3b of the first coil group. In the switch position that has been changed from the illustration in FIG. 2, this is connected to a first coil connection of the second coil 3b, as a result of which the coils 3a and 3b and also 3c and 3d of the first coil group are electrically connected in series.
  • connection contact means 15, 19, 20 and / or the connection contact means 17 can be designed to be resiliently deformable in such a way that the contact force required for the respective current carrying capacity can be applied by them.
  • connection contact means 17 or the switching ring 8 receiving it can be supported by a circumferential clamping ring 22 in the direction of the connection contact means 15, 19, 20.
  • a support ring arranged radially (not shown) within the connection contact means 15, 19, 20 and rotating in the circumferential direction 6 can support the connection contact means 15, 19, 20 in the direction of the connection contact means 17 in order to reliably ensure the contact force in the long term.
  • connection distributor 21 The ring-shaped free space 24 that can be seen in FIG. 2 between the connection distributor 21 and the switching ring 8 serves to accommodate the corresponding connection distributors and connection distributors for the second and third coil groups.
  • FIG 3 shows a section of an incomplete supervision of a second exemplary embodiment 101.
  • the rotor 123 which is rotatable about the rotor axis 123a, is shown only incompletely and schematically. Only the first and second coils 103a, 103b of the first are on the stator 102
  • the first coil connection 109 of the first coil 103a is firmly connected to the first connection electrode 110 and can be electrically contacted via the first connection distributor 110b from outside the device via the first connection tab 110a.
  • the second Coil connection 1 13 of the first coil 103a is connected to the connection element 1 14, which forms a connection contact means 1 15 in one piece, the first connection element 1 16, the connection contact means 1 1 7 embedded in the switching ring 108, the further connection element 1 18 and the second connection contact means 1 19 connected to the second connection distributor 1 12b, which can be electrically contacted from outside the device via the second connection lug 1 12a.
  • the first connection lug 1 10a is via the first connection distributor 1 10b, a fourth connection contact means 125, preferably formed in one piece, a second connection element 126, a second connection contact means 127, a further second connection element 128 and a fifth connection contact means 129 with a first coil connection 139 of the second coil 103b connected.
  • a second coil connection 131 of the second coil 103b is connected to the second connection distributor 1 12b via a second connection element 134, which integrally forms a second connection contact means 135, a third connection element 136, a third connection contact means 137 and a further third connection element 138 and thus from the outside the device can be electrically contacted via the second connecting lug 1 12a.
  • the coils 103a, 103b of the first coil group are thus electrically connected in parallel. Switching to a series connection of the coils within the coil groups is carried out by rotating the switching ring 108 in the circumferential direction 106, that is to say counterclockwise, by an angle of rotation of less than 10 °, for example 5 °.
  • the one for the second and third coil groups effective connection elements and connection contact means are indicated in FIG. 3.
  • the fourth coil connection 11 of the last coil 3d of the first coil group 3 can be contacted via the second connection distributor 12b and the second connection lug 12a.
  • Switching means 7, the rotatability of which is indicated by the double arrow 25, are the coils 3a to 3d of the first coil group 3 of the parallel connection shown in FIG. 4, in which each coil 3a to 3d is connected between the connecting lugs 10a and 12a, in the 5, in which the coils 3a to 3d are electrically connected in series and the first connection lug 10a is only connected to the first coil connection 9 of the first coil 3a and can be switched back.
  • the switching means 7 act in a corresponding manner on the corresponding switch arrangements for the coils of the second and third coil groups 4 and 5 and preferably switch them simultaneously and similar to the coils of the first coil group 3 between the parallel and serial connection.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Windings For Motors And Generators (AREA)

Abstract

L'invention concerne un dispositif pour convertir l'énergie électrique en énergie mécanique et/ou inversement, en particulier un ensemble moteur/générateur (1; 101) combiné. Ce dispositif comprend un rotor (123), un stator (2; 102), au moins deux points de connexion électrique, et au moins trois bobines (3a à 3d, 4a à 4d, 5a à 5d; 103a, 103b) réparties dans le sens circonférentiel (6; 106), qui comprennent chacune deux bornes de bobines (9, 13; 109, 13) qui peuvent être reliées l'une à l'autre et/ou aux points de connexion électrique d'une façon prédéterminée et à l'aide d'un moyen de commutation tournant qui s'étend dans le sens circonférentiel (6; 106).
PCT/EP2001/001763 2000-02-16 2001-02-16 Dispositif pour convertir l'energie electrique en energie mecanique et/ou inversement, en particulier ensemble moteur/generateur combine WO2001061826A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01919293A EP1256161A1 (fr) 2000-02-16 2001-02-16 Dispositif pour convertir l'energie electrique en energie mecanique et/ou inversement, en particulier ensemble moteur/generateur combine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10006829A DE10006829A1 (de) 2000-02-16 2000-02-16 Vorrichtung zum Wandeln von elektrischer in mechanische Energie und/oder umgekehrt, insbesondere kombinierte Motor/Generator-Vorrichtung
DE10006829.4 2000-02-16

Publications (1)

Publication Number Publication Date
WO2001061826A1 true WO2001061826A1 (fr) 2001-08-23

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PCT/EP2001/001763 WO2001061826A1 (fr) 2000-02-16 2001-02-16 Dispositif pour convertir l'energie electrique en energie mecanique et/ou inversement, en particulier ensemble moteur/generateur combine

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EP (1) EP1256161A1 (fr)
DE (1) DE10006829A1 (fr)
WO (1) WO2001061826A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0324785D0 (en) * 2003-10-24 2003-11-26 Electronica Products Ltd Magnetic gearing of permanent magnet brushless motors
DE102008007403A1 (de) * 2008-02-04 2009-08-06 BSH Bosch und Siemens Hausgeräte GmbH Permanentmagneterregte elektrische Maschine für ein Hausgerät

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508138A (en) * 1966-07-06 1970-04-21 Krupp Gmbh Generator with plural output coils connected in either series or parallel
JPS5668252A (en) * 1979-11-07 1981-06-08 Hitachi Ltd Motor
US4689023A (en) * 1985-08-27 1987-08-25 The Superior Electric Company Programmable electrical connector
US4754154A (en) * 1985-09-02 1988-06-28 Honda Giken Kogyo Kabushiki Kaisha Electric generator for vehicles
EP0503868A1 (fr) * 1991-03-14 1992-09-16 Black & Decker Inc. Outil motorisé avec ensemble de déplacement de balais et d'inversion de sens de rotation
EP0917255A2 (fr) * 1997-11-13 1999-05-19 Honda Giken Kogyo Kabushiki Kaisha Contact de connexion à un stator
DE29908718U1 (de) * 1998-11-04 1999-08-12 Pfisterer Kontaktsysteme GmbH & Co. KG, 70327 Stuttgart Vorrichtung zum Wandeln von elektrischer in mechanische Energie und/oder umgekehrt
DE19829442A1 (de) * 1998-07-01 2000-01-05 Bayerische Motoren Werke Ag Motor zur Verwendung als Starter und Generator in einem Kraftfahrzeug

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1685965A (en) * 1922-09-27 1928-10-02 Westinghouse Electric & Mfg Co Magnetic testing apparatus and method of testing
US5821660A (en) * 1997-03-05 1998-10-13 Mts Systems Corporation Brushless direct current motor having adjustable motor characteristics

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508138A (en) * 1966-07-06 1970-04-21 Krupp Gmbh Generator with plural output coils connected in either series or parallel
JPS5668252A (en) * 1979-11-07 1981-06-08 Hitachi Ltd Motor
US4689023A (en) * 1985-08-27 1987-08-25 The Superior Electric Company Programmable electrical connector
US4754154A (en) * 1985-09-02 1988-06-28 Honda Giken Kogyo Kabushiki Kaisha Electric generator for vehicles
EP0503868A1 (fr) * 1991-03-14 1992-09-16 Black & Decker Inc. Outil motorisé avec ensemble de déplacement de balais et d'inversion de sens de rotation
EP0917255A2 (fr) * 1997-11-13 1999-05-19 Honda Giken Kogyo Kabushiki Kaisha Contact de connexion à un stator
DE19829442A1 (de) * 1998-07-01 2000-01-05 Bayerische Motoren Werke Ag Motor zur Verwendung als Starter und Generator in einem Kraftfahrzeug
DE29908718U1 (de) * 1998-11-04 1999-08-12 Pfisterer Kontaktsysteme GmbH & Co. KG, 70327 Stuttgart Vorrichtung zum Wandeln von elektrischer in mechanische Energie und/oder umgekehrt

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 005, no. 133 (E - 071) 25 August 1981 (1981-08-25) *

Also Published As

Publication number Publication date
DE10006829A1 (de) 2001-08-30
EP1256161A1 (fr) 2002-11-13

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