EP3782267A1 - Sous-ensemble carter pour un groupe de propulsion électrique ou une unité de propulsion électrique, moteur et véhicule - Google Patents

Sous-ensemble carter pour un groupe de propulsion électrique ou une unité de propulsion électrique, moteur et véhicule

Info

Publication number
EP3782267A1
EP3782267A1 EP19727351.9A EP19727351A EP3782267A1 EP 3782267 A1 EP3782267 A1 EP 3782267A1 EP 19727351 A EP19727351 A EP 19727351A EP 3782267 A1 EP3782267 A1 EP 3782267A1
Authority
EP
European Patent Office
Prior art keywords
housing
assembly
capacitor
shell
recess
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.)
Pending
Application number
EP19727351.9A
Other languages
German (de)
English (en)
Inventor
Katja Stengert
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.)
Jheeco eDrive AG Liechtenstein
Original Assignee
Jheeco eDrive AG Liechtenstein
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 Jheeco eDrive AG Liechtenstein filed Critical Jheeco eDrive AG Liechtenstein
Publication of EP3782267A1 publication Critical patent/EP3782267A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • 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
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating

Definitions

  • Housing assembly for an electric drive or an electric
  • the invention relates to a housing assembly for an electric drive or an electric drive unit. Furthermore, the invention relates to an engine and a vehicle.
  • Heat management in electrical components plays an important role in ensuring the longevity of the components.
  • the guarantee of functionality depends largely on the fact that a certain temperature is not exceeded. Even a single and short-term exceeding of the permissible core temperature of the capacitor can lead to irreversible damage and thus to the unsuitability of the component or the connected module.
  • the invention is based on the object to provide a housing assembly for an electric drive or an electric drive unit, which is easy to manufacture and maintain, occupies a small space, and provides an optimized cooling performance.
  • the invention is further based on the object of specifying an engine and a vehicle.
  • a housing assembly for an electric drive or an electric drive unit comprises a housing, a cooling fluid and an inverter.
  • the housing forms a cooling circuit for receiving the cooling fluid with at least one first recess and the inverter has at least one capacitor assembly which is provided for arrangement in the first recess of the housing.
  • the capacitor assembly is provided with at least one capacitor of a shell for receiving at least one capacitor and a heat conducting element, in particular one
  • the capacitor module can be coupled or coupled directly to the housing.
  • the electric drive is used as the drive of a motor vehicle.
  • one or more of the capacitors used is designed as a wound capacitor.
  • the housing group according to the invention for an electric drive or an electric drive unit and / or for use in one
  • the housing group is preferably designed to accommodate at least one stator in order to provide a
  • the invention is based on a cooling function and the inclusion of the capacitor assembly in the form of an integral construction of the
  • the capacitor assembly of the inverter is provided with at least one capacitor, in particular a wound capacitor, a shell for receiving the
  • the capacitor assembly is coupled or coupled directly to the housing.
  • the capacitor assembly is coupled or coupled directly to the housing.
  • Condenser assembly and the housing of the housing assembly preferably designed so integrally, that the capacitor assembly and the housing are directly attachable to each other or can be connected to each other.
  • Capacitor assembly on the housing, in particular in the first recess of the housing, can be provided.
  • the capacitor assembly can be coupled directly to the housing by means of a material and / or friction and / or positive connection.
  • Capacitor assembly may be provided with the housing. In this way, a mechanical connection and a sealing function can be provided.
  • the adhesive bond can be solved as a detachable or non-destructive
  • Adhesive bond or designed as a permanent adhesive bond are preferentially used as a permanent adhesive bond.
  • Connecting elements such as screws, clamps, rivets or the like may be provided to provide the direct, immediate connection between the housing and capacitor assembly.
  • the shell of the capacitor assembly on a collar with at least one stiffening element, wherein the collar to a direct force and / or material and / or positive connection of the
  • Capacitor assembly is formed with the housing.
  • Capacitor assembly respectively the capacitor assembly with connectors given by the detachable direct connection to the housing.
  • the direct coupling of the housing to the capacitor assembly can also be understood to mean that the housing, in particular the first recess, and the capacitor assembly form a force and / or material and / or positive connection, in particular a clamping connection , a snap connection or the like, are provided. In this sense, no other fasteners, such. As screws, rivets, adhesives or similar, necessary to make the direct connection between the housing and capacitor assembly
  • the capacitor assembly is arranged in the first recess of the housing, so that the shell is in contact with the cooling fluid on five sides.
  • Capacitor assembly as well as over the sides or side surface of the
  • Capacitor assembly to the cooling fluid allows.
  • Recess is arranged.
  • the capacitor assembly is centered by the collar in the first recess of the housing.
  • the advantage is achieved that along the sides or side surfaces of the capacitor assembly is essentially provided in each case an equal volume of cooling fluid, so that a uniform cooling from all sides of the
  • Capacitor assembly can be achieved.
  • the collar of the shell and the first recess of the housing may be configured such that the capacitor assembly is offset to at least one side and arranged floating in the first recess, in particular if an uneven heat release of
  • Capacitor assembly is present along the side surfaces.
  • a sealing unit in particular a sealing ring provided.
  • the sealing unit can be arranged in the housing, along the first recess, or in the collar of the shell. In this way, the seal is provided integrally in the capacitor assembly or along the first recess of the housing.
  • the shell is the
  • Condenser assembly formed as a thin-walled aluminum shell.
  • the shell has a minimal heat absorption and an improved
  • Heat release properties for cooling the at least one capacitor provided.
  • an insulating film can still be used for insulation, which is placed between the electrically conductive aluminum shell and the capacitor windings.
  • the shell of the capacitor assembly can be made of insulating plastic, so that the shell acts as an insulator and in particular can be dispensed with a separate insulating film.
  • At least one flow-guiding unit is provided on an underside of the condenser assembly, in particular on an underside of the shell, and / or on a bottom surface of the first recess of the housing.
  • an advantageous flow direction of the cooling fluid along the capacitor assembly is adjustable.
  • the flow guiding unit is provided as an inserting element for positioning in the first recess of the housing. Based on the interchangeability of the flow-guiding unit, the flow of cooling fluid along the condenser assembly can be adapted as desired. In particular, when replacing the capacitor assembly, the fluid flow to a different arrangement of the at least one capacitor or a different heat distribution within the capacitor assembly can be easily adapted.
  • the condenser assembly includes a plurality of capacitors, and the flow director is provided to form at least substantially parallel cooling fluid flows along the individual capacitors. This way is an optimized
  • Heat transfer along the capacitor assembly ensures the cooling fluid. Furthermore, pressure loss along the plurality of cooling fluid flows is reducible. Thus, an efficient cooling of the
  • the inverter has at least one
  • cooling circuit of the housing is provided with at least one second recess with cooling fluid for cooling the semiconductor device.
  • the cooling circuit with the cooling fluid is also for cooling the housing or an engine compartment, in particular at least one
  • Winding head of the stator formed.
  • the cooling circuit is designed such that the cooling circuit provides the appropriate cooling of the inverter, in particular with the cooling fluid in the first and second recesses of the housing. Furthermore, based on the design of the cooling circuit, the cooling of the housing can be achieved, or an engine compartment. Thus, when a stator is provided in the motor interior, it can be provided that the at least one winding head of the stator can be cooled or tempered on the basis of the cooling circuit. Due to the integral design of the cooling circuit in the housing of the housing assembly, in particular with the first and second recesses in the housing, a cooling effect can be provided by appropriate use of the cooling fluid.
  • the inverter is at least two
  • capacitors of the capacitor assembly are each connectable to a first and a second connector.
  • the capacitors can each be connected to one of the semiconductor components via the first connector. Furthermore, the capacitors are each across the second connector
  • the capacitors and / or first and second connectors and / or the semiconductor components in particular in case of failure, interchangeable.
  • the capacitors, the first and second connectors and the semiconductor devices are modular exchangeable.
  • Housing assembly provided. Furthermore, a parallel connection of the capacitors and an interconnection of the individual capacitors with a voltage source can be implemented as required.
  • the present invention relates to a motor, in particular an electric motor, with a housing assembly according to one of the preceding claims.
  • Housing assembly in conjunction with a stator and a rotor for
  • a vehicle is provided with a housing assembly according to the invention.
  • the advantageously ausgestalte housing assembly according to the present invention both for an engine within a vehicle as well as in other uses for a vehicle, in particular a motor vehicle, be provided.
  • an integrally ausgestalte recording and cooling for an inverter with at least one capacitor provided in an advantageous manner.
  • Fig. 1 is a schematic embodiment of a housing of a
  • FIG. 2 shows a schematic embodiment of a capacitor assembly of a housing assembly according to the invention
  • Fig. 3 is a schematic embodiment of an inventive
  • FIG. 4 shows a cross section A-A of the schematic embodiment of the housing assembly according to the invention according to FIG. 3.
  • the housing 12 is provided with a first recess 14 and a second
  • the housing 12 has a
  • the first and second recesses 14; 16 each have a rectangular basic shape according to FIG. 1.
  • the first recess 14 is aligned parallel to the second recess 16.
  • the first recess 14 are bores for receiving 14c of z.
  • screws, rivets or the like shown symmetrically distributed in the circumferential direction.
  • first recess 14 is formed on its bottom side in the longitudinal direction with rounded inner edges.
  • a first cooling fluid opening 14a and a second cooling fluid opening 14b are provided according to FIG. 1 in the first recess 14, which can be used to form a cooling circuit as a cooling fluid inlet or cooling fluid outlet.
  • the second cooling fluid opening 14 b may be provided as a puncture opening between the first recess 14 and the second recess 16 of the housing 12.
  • the first and second recesses 14; 16 are shown in FIG. 1 on one side, in particular on an upper side of the housing 12 is formed. According to Figure 1, the motor interior 18 is below the first and second recesses 14; 16 positioned in the housing 12.
  • the capacitor assembly 30 has, according to FIG. 2, a total of three capacitors 32.
  • the capacitors 32 are each connected to a first connector 38a. Furthermore, the three capacitors have a second one
  • Connector 38b interconnected, in particular via an electrically conductive connecting rail 38b.
  • the capacitors 32 are surrounded according to the schematic representation in Fig. 2 by a shell 36 having a circumferential collar 36 a.
  • the collar 36a is formed with a circumferential ring and angle-shaped stiffening elements 36b.
  • the angle-shaped stiffening elements 36b extend in a serrated pattern between the circumferential ring of the collar 36a and the shell 36.
  • the collar 36a in particular the circumferential ring of the collar 36a, bear against the shell 36.
  • the lattice-shaped structure of the circumferential collar 36a allows weight savings while maintaining high stability.
  • the collar 36a is provided with a plurality of receptacles 36c for
  • the receptacles 36c are distributed symmetrically along the collar 36a. In particular, the receptacles 36c along the circumferential collar 36a corresponding to the holes 14c of the housing along the first recess 14 are positioned.
  • FIG. 3 is a schematic embodiment of a housing assembly 10 of the invention with the housing 12 of FIG. 1 and the
  • the capacitor assembly 12 with three capacitors 32 is arranged in the first recess 14.
  • the three capacitors 32 of the capacitor assembly 30 are each connected to a first connector 38a. Furthermore, the three capacitors 32 are electrically connected to one another via a second connector 38b and can be connected to a voltage source via a plug socket 40.
  • the capacitor assembly 30 is over the circumferential collar 36 a, in
  • the capacitor assembly 30 of the inverter 20 may be integrally coupled to the housing 12 and exchanged modularly.
  • Fig. 4 is a cross-section A-A of the schematic embodiment of the housing assembly according to the invention shown in FIG. 3.
  • the capacitor assembly 30 is shown with capacitors 32, a heat conducting element 34, in particular a thermally conductive resin 34a, the shell 36 and the frame 36a.
  • the capacitors 32 are embedded in the shell 36 by the thermally conductive resin 34a.
  • the second connectors 38b are shown for electrically connecting the capacitors 32.
  • the first connectors 38a are not visible in FIG.
  • the capacitor assembly 30 is connected to the housing 12.
  • the capacitor assembly 30 in the first recess 14 of the housing 12 can be seen.
  • the capacitor assembly 30, in particular the shell 36, is preferably uniformly surrounded by cooling fluid 12b along the sides.
  • Semiconductor device 22 of the inverter 20 disposed in contact with the cooling fluid 12b.
  • the at least one semiconductor component 22 is shown positioned on a circuit board. From the semiconductor device 22 may have a
  • FIG. 4 shows the integral design of the cooling circuit 12a.
  • the refrigeration cycle 12a connects the first and second recesses 14; 16 with each other such that cooling fluid between the two recesses 14; 16 can pass.
  • the cooling circuit 12a further flow paths, so that, for example, the housing 12 by means of
  • Cooling fluid 12b can be cooled.
  • Capacitor assembly 30 providable as well as an integrally ausgestalte

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Inverter Devices (AREA)

Abstract

L'invention concerne un sous-ensemble carter (10) pour un groupe de propulsion électrique ou une unité de propulsion électrique, notamment d'un véhicule automobile, comprenant un carter (12), un fluide de refroidissement (12b) et un onduleur (20). Le carter (12) forme un circuit de refroidissement (12a) destiné à recevoir le fluide de refroidissement (12b) et comprenant au moins un premier évidement (14), et l'onduleur (20) possède au moins un sous-ensemble condensateur (30) qui est conçu pour être disposé dans le premier évidement (14) du carter (12). Le sous-ensemble condensateur (30) est configuré avec au moins un condensateur (32), notamment un condensateur bobiné, une coque (36) destinée à accueillir le condensateur (32) et un élément thermoconducteur (34), notamment une résine à conductivité thermique (34), servant à enrober le condensateur (32) dans la coque (36). Le sous-ensemble condensateur (30) peut être couplé directement avec le carter (12). L'invention concerne en outre un moteur et un véhicule.
EP19727351.9A 2018-06-01 2019-05-27 Sous-ensemble carter pour un groupe de propulsion électrique ou une unité de propulsion électrique, moteur et véhicule Pending EP3782267A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018113099.6A DE102018113099A1 (de) 2018-06-01 2018-06-01 Gehäusebaugruppe für einen elektrischen Antrieb oder eine elektrische Antriebseinheit, Motor und Fahrzeug
PCT/EP2019/063621 WO2019228966A1 (fr) 2018-06-01 2019-05-27 Sous-ensemble carter pour un groupe de propulsion électrique ou une unité de propulsion électrique, moteur et véhicule

Publications (1)

Publication Number Publication Date
EP3782267A1 true EP3782267A1 (fr) 2021-02-24

Family

ID=66676517

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19727351.9A Pending EP3782267A1 (fr) 2018-06-01 2019-05-27 Sous-ensemble carter pour un groupe de propulsion électrique ou une unité de propulsion électrique, moteur et véhicule

Country Status (5)

Country Link
US (1) US11881753B2 (fr)
EP (1) EP3782267A1 (fr)
CN (1) CN112640269A (fr)
DE (1) DE102018113099A1 (fr)
WO (1) WO2019228966A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112039285A (zh) * 2020-07-21 2020-12-04 山东科技大学 一种煤矿用变频调速一体机

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JPH05219704A (ja) 1992-02-04 1993-08-27 Hitachi Ltd 車両用交流発電機のコンデンサの固定構造
DE19817333C5 (de) * 1998-04-18 2007-04-26 Conti Temic Microelectronic Gmbh Elektrische Antriebseinheit aus Elektromotor und Elektronikmodul
DE19857840C2 (de) * 1998-12-15 2003-10-02 Siemens Ag Elektronische Einrichtung
DE20320643U1 (de) * 2002-04-26 2004-12-23 Denso Corp., Kariya Motor mit integriertem Umrichter für ein Kraftfahrzeug
JP4243954B2 (ja) 2002-12-27 2009-03-25 アイシン・エィ・ダブリュ株式会社 電動駆動装置制御ユニットの防振装置
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Also Published As

Publication number Publication date
DE102018113099A1 (de) 2019-12-05
US20210218310A1 (en) 2021-07-15
WO2019228966A1 (fr) 2019-12-05
US11881753B2 (en) 2024-01-23
CN112640269A (zh) 2021-04-09

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