WO2014173655A2 - Générateur à double action - Google Patents

Générateur à double action Download PDF

Info

Publication number
WO2014173655A2
WO2014173655A2 PCT/EP2014/056782 EP2014056782W WO2014173655A2 WO 2014173655 A2 WO2014173655 A2 WO 2014173655A2 EP 2014056782 W EP2014056782 W EP 2014056782W WO 2014173655 A2 WO2014173655 A2 WO 2014173655A2
Authority
WO
WIPO (PCT)
Prior art keywords
stator
rotor unit
drive train
rotor
shaft
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.)
Ceased
Application number
PCT/EP2014/056782
Other languages
German (de)
English (en)
Other versions
WO2014173655A3 (fr
Inventor
Ralf Martin DINTER
Jan-Dirk Reimers
Markus Reinhard
Dirk Scheibner
Jürgen SCHIMMER
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of WO2014173655A2 publication Critical patent/WO2014173655A2/fr
Publication of WO2014173655A3 publication Critical patent/WO2014173655A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • 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
    • H02K11/24—Devices for sensing torque, or actuated thereby
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/48—Generators with two or more outputs
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/26—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating armatures and stationary magnets

Definitions

  • Double Acting Generator The present invention relates to a double acting generator for mounting on a drive train element.
  • a recording of operating variables such as torque, temperature, vibrations and electrical potentials allows conclusions about the necessary design of drive train elements such as gearboxes for specific applications.
  • the state of the art in the field of torque measurement is the detection of torque-induced stresses in the waves with contact-based measuring methods, eg by means of strain gauges mounted on the shaft (DMS), or with non-contact measuring methods, eg optical (eg fiber Bragg sensors), vibration-based (eg SAW (Surface Active Wave) sensors) or magnetostrictive measurement methods.
  • contact-based measuring methods eg by means of strain gauges mounted on the shaft (DMS), or with non-contact measuring methods, eg optical (eg fiber Bragg sensors), vibration-based (eg SAW (Surface Active Wave) sensors) or magnetostrictive measurement methods.
  • Measurements on rotating parts are also of interest, e.g. Temperature, structure-borne noise.
  • the required measuring systems with sensors and signal evaluation must be supplied with electrical energy.
  • the power supply and the transmission of the measurement data is typically done today by inductive telemetry systems.
  • This Lö ⁇ solution is technically mature, but suitable because of the cost only for selected individual cases.
  • Fleet equipment with torque monitoring systems is not possible today for cost reasons.
  • the object of the present invention is to improve the supply of a drive line element with electrical energy.
  • the generator according to the invention is a double-acting generator. It is suitable for arrangement on a drive train element, eg a gearbox.
  • the generator has a first stator-rotor unit for the electrical supply of power consumers on a rotating part, for example a shaft, of the drive train element.
  • the generator also includes a second stator-rotor unit for powering consumers of electricity on a stationary part, eg, a transmission housing, of the drive train element.
  • the first stator-rotor assembly includes a magnet for placement on a fixed portion of the powertrain member and a conductor loop for placement on a rotating portion of the powertrain member.
  • the second stator-rotor assembly includes a magnet for arrangement on a rotating part of the drive train element and a conductor loop for Anord ⁇ voltage on a fixed part of the drive train element.
  • magnet includes both a permanent magnet and an electromagnet (called field coil or excitation winding).
  • stator-rotor unit describes that the stator and the rotor form interacting components, whereby the interaction can generate electrical current
  • the generator according to the invention comprises two such stator-rotor units with a reverse arrangement of FIG the rotor and stator to the rotating and stationary parts of the drive train element.
  • the overall system of the dop ⁇ pelt consideredden generator thus comprises at least two stator-rotor units as autonomous electrical energy erzeu ⁇ constricting partial or half systems.
  • the two independent coil systems can, In terms of their inductive interaction, they are superimposed spatially and do not have to be spatially separated, ie the coils may retroactively penetrate their magnetic flux.
  • the double-acting generator consists of two half-systems which independently of one another ensure the power supply to the rotating and stationary part of the drive train element .
  • the division of the electrical energy provided by the stator-rotor units can be controlled in a suitable manner according to the energy demand. This may also be achieved in the form of the construction, for example by means of the respective size of the stator-rotor units.
  • the proposed generator can easily be retrofitted to existing drive train elements, in particular when installed on a shaft end.
  • the proposed generator makes an energy-autonomous operation of signal acquisition systems in closed sys- temen such as transmissions improved.
  • the use of the invention is not limited to gear. It is also possible to use it in motors, eg to supply a sensor.
  • Advantageous embodiments and further developments of the invention are specified in the dependent claims.
  • the double-acting generator may be a permanent-magnet synchronous generator or a claw pole generator having at least two half-systems.
  • a first half system comprises a permanent magnet on the fixed part, i. the stator, and a coil system on the moving part, i. the rotor, e.g. in the form of a wave. This first half system serves to supply energy to
  • a second half system inversely includes a permanent magnet on the rotor and a coil system on the stator, and supplies energy to the stationary part.
  • the energization may be advantageously, but not exclusively, made of plastic-bonded NdFeBr magnets or ferrite magnets, or else electrically, e.g. by means of an asynchronous generator, or from the coil side, e.g. by means of a stator-excited permanent magnet generator.
  • the first stator-rotor unit for mounting in the region of a circumference of a shaft is formed, wherein each of either the stator or the rotor on an outer or inner shaft circumference and corresponding to the stator or rotor other Part of the stator-rotor unit can be mounted on a fixedly connected to the housing component.
  • the second stator-rotor unit for mounting in the region of a circumference of a Wel ⁇ le is formed, wherein in each case either the stator or the rotor on an outer or inner shaft circumference and corresponding to the stator or rotor other part of
  • Stator rotor unit can be mounted on a ⁇ fixedly connected to the housing ⁇ nen component.
  • the first and second stator-rotor assembly is designed for mounting in the region of a circumference of a Welle le, wherein each of either the stator or the
  • Stator rotor unit can be mounted on a ⁇ fixedly connected to the housing ⁇ nen component.
  • the first stator-rotor unit for mounting in the region of one end of a shaft is formed, wherein in each case either the stator or the rotor on one end side of the shaft and corresponding to the stator or rotor other part of the stator - Rotor unit on a fixedly connected to the housing construction ⁇ element can be mounted.
  • the second stator-rotor unit for mounting in the region of one end of a shaft is formed, wherein in each case either the stator or the rotor on an end face of the shaft and the corresponding ⁇ to the stator or rotor ⁇ part the stator-rotor unit can be mounted on a component fixedly connected to the housing.
  • the first and second stator-rotor unit is designed ⁇ of a shaft for mounting in the area of En, wherein each either of the
  • Stator or the rotor on one end face of the shaft and the stator or rotor corresponding to the other part of the stator-rotor unit can be mounted on a permanently connected to the housing component.
  • the first and / or second stator-rotor unit in the form of a Ra Dial bathgenerators or an Axial scaffoldgenerators removablebil ⁇ det.
  • the signal transmission between rotating and fixed part can be done in a known manner, eg inductively by an additional coil system, by radio transmission or optically.
  • a signal transmission from a rotating part of the power train element to a festste ⁇ Henden part of the drive train element by a specific load of a coil on the rotating part and a produced thereby interact in a coil on the fixed part can take place.
  • This is done in a suitable manner in the form of a modulation of the inductively generated waves in the coil systems, with which the data can be transmitted suitably digitally coded.
  • the first stator-rotor unit comprises a angeord on a fixed part of the drive train element ⁇ Neten magnet and disposed on a rotating part of the drive train element conductor loop and the two ⁇ te stator-rotor unit a arranged on a rotating part of the drive train element magnet and a conductor loop arranged on a stationary part of the drive train element.
  • the drivetrain member with the double-acting generator of the fixed part is a housing or a so firmly connected component of the drivetrain member, and the rotating part of a Wel ⁇ le.
  • the Antriebsstrangele- ment with the double-acting generator of the rotating part is a shaft with a frontal recess and the fixed part of a fixedly connected to the housing Bol ⁇ zen, which projects into the recess, wherein the magnet the first stator-rotor unit on the bolt and the Lei ⁇ terschleife the first stator-rotor unit on an inner ⁇ surface of the recess arranged and arranged the magnet and the Lei ⁇ terschleife the second stator-rotor unit inversely to ⁇ are .
  • the double acting generator can be mounted on the circumference of a shaft, e.g. can be arranged directly at the location of signal detection, alternatively attachment to the shaft end is possible.
  • Fig. 5 is a built-in a shaft double-acting
  • FIG. 6 is a side view of a double-acting Genera ⁇ sector at a shaft end. and FIG. 7 is a plan view of the end face of the shaft shown in FIG.
  • Fig. 1 shows a rotatable shaft 6 of a Antriebsstrangele management, on the periphery of a double-acting generator 3 is arranged.
  • the double-acting generator 3 comprises a first stator rotor unit 3 a for supplying rotating power consumers of the drive train element and a second Stator-rotor unit 3b for supplying stationary power consumers of the drive train element.
  • FIG. 2 shows a section II-II through the first stator-rotor unit 3a shown in FIG.
  • a stationary segmented magnetic ring 32 is that on the stationary part of the drive train element, e.g. a transmission housing, arranged
  • Stator 8 of the first stator-rotor unit 3a A winding of conductor loops 38 is the rotor 10 of the first stator-rotor unit 3a arranged on the shaft 6 of the drive strand element.
  • FIG. 3 shows a section III-III through the second stator-rotor unit 3b shown in FIG.
  • a stationary segmented magnetic ring 32 is the rotor 10 of the second stator-rotor unit 3b arranged on the shaft 6 of the drive train element.
  • a coil of conductor loops 38 is on the fixed part of the drive train element, such as a Ge ⁇ gear housing, arranged stator 8 of the second stator-rotor unit 3b
  • Fig. 4 shows a shaft 4 of a drive train element, on whose circumference a double-acting generator 3 is arranged.
  • the double-acting generator 3 comprises a first stator-rotor unit 3a for supplying rotating power consumers 18a of the drive train element and a second stator-rotor unit 3b for supplying stationary power consumers 20b of the drive train element.
  • the power supply of the stator-rotor units 3a, 3b is performed to the current consumers 18a, 20b each have elekt ⁇ generic lines 22.
  • the rotating power consumers 18a consist of a signal detecting unit which is connected via a Sig ⁇ naltechnisch 22 with a sensor 46 which has a strain gauge bridge formed by a circuit of strain gauges 160.
  • the stationary power consumers 20b consist of a signal processing unit for evaluating and storing the signals.
  • the sensor 46 generates signals, for example, relating to a torsion of the shaft 6, sends this Signa ⁇ le via the line 22 to the signal detection unit 18a.
  • the signal detection unit 18a sends the signals via a wireless interface 24 to the signal processing unit 20b.
  • Fig. 5 shows a powertrain member 34, which comprises a GePFu ⁇ se 28 and a therein mounted in bearings 44 the shaft 6.
  • a powertrain member 34 which comprises a GePFu ⁇ se 28 and a therein mounted in bearings 44 the shaft 6.
  • a front side 14 at a shaft end 4 of the shaft 6 forth is a cylindrical, axially extending recess 16 formed in the shaft 6.
  • a connection to the outer circumference of the shaft 6 is formed by means of a bore 17.
  • a signal detection unit 18a is arranged on the circumference of the shaft 6, which comprises a DMS 160.
  • a double-acting generator 3 is arranged with a first stator-rotor unit 3a for supplying rotating power consumers 18a of the drive train element 34 and a second stator-rotor unit 3b for supplying stationary power consumers 20b of the drive train element 34.
  • the first stator-rotor unit 3a has fixed to egg ⁇ ner cylindrical inner wall 50 of the recess 16 of the rotor 10 acting as a shaft 6 fixed conductor coils 38 and attached to a fixed to the housing 28, axially projecting into the recess 16 ⁇ bolt 30 Magnets 32 on.
  • the second stator-rotor unit 3b has fixed to the inner wall 50 of the recess 16 magnets 32 and on the bolt 30 be ⁇ strengthened conductor coils 38.
  • the magnets 32 and conductor coils 38 arranged on the bolt 30 form the stator 8 of the double-acting generator 3.
  • the electrical energy generated in the rotating with the shaft 6 conductor coils 38 of the first stator-rotor unit 3a electrical energy is transmitted by means of a run through the bore 17 power line 22 to the rotating shaft 6 with the signal acquisition ⁇ unit 18a.
  • the conductor coils 38, arranged in the stationary bolt 30, of the second stator-rotor Unit 3a generated electrical energy is transmitted by means of a power line 22 through a bore in a bearing 44 of the shaft 6 covering bearing cap 36 to a fixed externally to the housing 28, arranged in a separate housing part 29 signal processing unit 20b.
  • the signals generated in the signal detection unit 18a are sent by means of a signal line 22 through the bore 17 to a wireless transmission link 24, e.g. in the form of an inductive signal transmission device with induction coils 380 for signal transmission, passed there contactlessly from the rotating shaft 6 to the stationary part 8 of the drive train element 34 and transmitted from there via a signal line 22 to the signal processing unit 20b.
  • a wireless transmission link 24 e.g. in the form of an inductive signal transmission device with induction coils 380 for signal transmission, passed there contactlessly from the rotating shaft 6 to the stationary part 8 of the drive train element 34 and transmitted from there via a signal line 22 to the signal processing unit 20b.
  • Fig. 6 shows a side view of a shaft 6.
  • a segmented magnetic ring 32b is fixed to an end face 14 of the shaft 6 coaxial with the axis of rotation A of the shaft 6, around which a coil ring 38a is arranged on the end face 14.
  • Separated by an air gap 48 axially from the rotors 32b, 38a are on an inner wall of a housing 28, the corresponding elements 32a, 38b for the formation of
  • Fig. 7 shows the in Fig. 6, indicated plan view VII-VII of the front face 14 of the shaft 6.
  • the centrally ⁇ arranged, segmented ring magnet 32b and the surrounding him coil ring 38a shown in their arrangement on the front side 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Abstract

La présente invention concerne un générateur à double action (3) destiné à être agencé sur un élément de groupe motopropulseur (34). Ce générateur (3) comprend une première unité stator-rotor (3a) servant à l'alimentation électrique de consommateurs électriques (18a) sur une partie rotative (10) de l'élément de groupe motopropulseur (34). Ce générateur (3) comprend en outre une deuxième unité stator-rotor (3b) servant à l'alimentation électrique de consommateurs électriques (20b) sur une partie fixe (8) de l'élément de groupe motopropulseur (34). La première unité stator-rotor (3a) comprend un aimant (32) destiné à être monté sur une partie fixe (8) de l'élément de groupe motopropulseur (34) et une bande conductrice (38) destinée à être montée sur une partie rotative (10) de l'élément de groupe motopropulseur (34). La deuxième unité stator-rotor (3b) comprend un aimant (32) destiné à être monté sur une partie rotative (10) de l'élément de groupe motopropulseur (34) et une bande conductrice (38) destinée à être montée sur une partie fixe (8) de l'élément de groupe motopropulseur (34).
PCT/EP2014/056782 2013-04-24 2014-04-04 Générateur à double action Ceased WO2014173655A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013207405.0A DE102013207405A1 (de) 2013-04-24 2013-04-24 Doppeltwirkender Generator
DE102013207405.0 2013-04-24

Publications (2)

Publication Number Publication Date
WO2014173655A2 true WO2014173655A2 (fr) 2014-10-30
WO2014173655A3 WO2014173655A3 (fr) 2015-05-28

Family

ID=50588644

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/056782 Ceased WO2014173655A2 (fr) 2013-04-24 2014-04-04 Générateur à double action

Country Status (2)

Country Link
DE (1) DE102013207405A1 (fr)
WO (1) WO2014173655A2 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
US20240003757A1 (en) * 2020-12-02 2024-01-04 Pro-Micron Gmbh Status monitoring for a rotating element of a motor or work machine, more particularly for the rotor of an electric motor

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US10288502B1 (en) * 2018-02-02 2019-05-14 Hamilton Sundstrand Corporation Torque tube strain gauge with power generator

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240003757A1 (en) * 2020-12-02 2024-01-04 Pro-Micron Gmbh Status monitoring for a rotating element of a motor or work machine, more particularly for the rotor of an electric motor
US12399068B2 (en) * 2020-12-02 2025-08-26 Pro-Micron Gmbh Status monitoring for a rotating element of a motor or work machine, more particularly for the rotor of an electric motor

Also Published As

Publication number Publication date
WO2014173655A3 (fr) 2015-05-28
DE102013207405A1 (de) 2014-10-30

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