EP4065861A1 - Dispositif de transmission pour un véhicule pouvant être entraîné électriquement, dispositif d'entraînement pour un véhicule pouvant être entraîné électriquement, et véhicule - Google Patents

Dispositif de transmission pour un véhicule pouvant être entraîné électriquement, dispositif d'entraînement pour un véhicule pouvant être entraîné électriquement, et véhicule

Info

Publication number
EP4065861A1
EP4065861A1 EP20812252.3A EP20812252A EP4065861A1 EP 4065861 A1 EP4065861 A1 EP 4065861A1 EP 20812252 A EP20812252 A EP 20812252A EP 4065861 A1 EP4065861 A1 EP 4065861A1
Authority
EP
European Patent Office
Prior art keywords
housing
transmission
parking lock
transmission device
connector
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
EP20812252.3A
Other languages
German (de)
English (en)
Inventor
Stefan Paul
Bernd Haas
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.)
Valeo eAutomotive Germany GmbH
Original Assignee
Valeo eAutomotive Germany GmbH
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 Valeo eAutomotive Germany GmbH filed Critical Valeo eAutomotive Germany GmbH
Publication of EP4065861A1 publication Critical patent/EP4065861A1/fr
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/34—Locking or disabling mechanisms
    • F16H63/3416—Parking lock mechanisms or brakes in the transmission
    • F16H63/3458—Parking lock mechanisms or brakes in the transmission with electric actuating means, e.g. shift by wire
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02026—Connection of auxiliaries with a gear case; Mounting of auxiliaries on the gearbox
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02034—Gearboxes combined or connected with electric machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02039—Gearboxes for particular applications
    • F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/34—Locking or disabling mechanisms
    • F16H63/3416—Parking lock mechanisms or brakes in the transmission
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • Transmission device for an electrically drivable vehicle drive device for an electrically drivable vehicle and vehicle
  • the present invention relates to a transmission device for an electrically drivable vehicle, a drive device for an electrically drivable vehicle and a vehicle.
  • the document DE 102015217875 A1 discloses a drive system with an electric machine and a transmission for a motor vehicle.
  • the transmission has a transmission output shaft and a transmission housing as well as a parking lock.
  • the invention is based on the object of providing a space-saving and low-cost option for arranging a parking lock in a transmission housing.
  • a transmission device for an electrically drivable vehicle comprising a transmission element, a parking lock through which the transmission element can be blocked, a transmission housing which houses the transmission element and the parking lock, a connection device with a device extending in the transmission housing Cable assembly and a connector which is attached to a first end of the cable assembly, is arranged in a transmission housing opening for contacting the cable assembly from ⁇ uße ren of the transmission housing and in a Has connector housing arranged contact elements, wherein a second end of the cable assembly is connected to the parking lock, wherein the connector connector has at least one sealant to prevent leakage of a lubricant through the transmission housing opening.
  • the invention is based on the idea of sealing the interior of the transmission housing with means of the connector against the exterior of the transmission housing.
  • the parking lock can advantageously be arranged within the transmission housing in a space-saving manner without the operation of the transmission device being impaired by the leakage of the lubricant.
  • the connector can be connected to the gearbox housing with little effort and also provides the necessary sealing of the gearbox housing.
  • a sealing means comprises one or more sealing rings which surround the connector housing and are arranged between the connector housing and the transmission housing opening. This avoids leakage of the lubricant through free spaces between the transmission housing opening and the connector housing.
  • the or a respective sealing ring is arranged in a groove of the connector housing running in the circumferential direction.
  • the cable arrangement of the transmission device according to the invention expediently has a plurality of individual cables which are each electrically connected to one of the contact elements of the connector.
  • a sealing means comprises several sealing elements, each of which seals a single cable with respect to the connector housing. This effectively prevents the lubricant from leaking through the connector.
  • the connector housing includes a plurality of receiving spaces axially fluid-tightly enclosing a respective individual cable having, wherein a respective sealing element is arranged in one of the receiving spaces.
  • the sealing elements are positively connected to the individual cables, for example by crimping. This makes it easier to replace the connector or the cable arrangement in the event of a defect in one of these components. This is especially true in comparison to a conceivable alternative in which the individual cables are encapsulated to seal with the plug connector, which in the event of a defect would require the replacement of the entire connection device.
  • one or more individual cables are power cables for the electrical supply of the parking lock and / or one or more individual cables are signal cables for controlling the parking lock.
  • a primary release function of the parking lock can be supplied by means of one of the plurality of power cables and / or controlled by means of one or more of the signal cables.
  • a secondary release function through which the transmission element can be blocked in the event of a malfunction of the primary release function, can be supplied by means of one or more of the power cables.
  • the primary triggering function can be formed, for example, by an electric drive, by means of which the parking lock can be driven to block the transmission element.
  • the secondary release function can be designed, for example, by a magnet which releases a clutch coupled to the electrical drive for performing the primary release function in order to drive the parking lock by means of a restoring force to block the transmission element.
  • a lubricant bath for lubricating the transmission element is provided in the transmission housing and the parking lock is at least partially in the lubricant bath. Because of the seal according to the invention is consequently a The parking lock can be arranged in the lubricant bath, which opens up previously unused parking lock positions in the transmission housing.
  • a drive device for an electrically drivable vehicle comprising an electrical cal machine, a transmission device according to the invention and a rotary movement of the electrical machine to the transmission device transmitting shaft.
  • the transmission housing is part of a housing that houses the electrical machine, the transmission device and the shaft.
  • the drive device can furthermore comprise an inverter which can be or is connected to the connection device for controlling and / or electrical supply of the parking lock by means of a cable.
  • the object on which the invention is based is finally also achieved by a vehicle comprising a drive device according to the invention which is set up to drive the vehicle.
  • FIG. 1 shows a front view of an exemplary embodiment of the transmission device according to the invention in an open state
  • connection device 2 shows a detailed view of the transmission device of the connection device
  • FIG. 3 shows a perspective detailed view of the connection device
  • Fig. 4 is a sectional view of the connector
  • Fig. 5 is a schematic diagram of an embodiment of the vehicle according to the invention with an embodiment of the drive device according to the invention.
  • Fig. 1 is a front view of an embodiment of a transmission device
  • the transmission device 1 comprises a transmission element 2, which is coupled with further transmission elements 3, around one of a non-rotatable with the transmission element
  • a parking lock gear 5 of a parking lock 6 is also attached, through which the gear element 2 can be blocked.
  • the parking lock 6 also has a parking lock pawl 7, which can be brought into engagement with the parking lock wheel 5 by means of a parking lock actuator 8 of the parking lock 6.
  • the transmission elements 2, 3 and the parking lock 6 are enclosed by a transmission housing 9.
  • the gear unit 1 has a lubricant bath, the operational level of which is shown by a dashed line A in FIG. It can be seen that the parking lock 6 is partially in the lubricant bath.
  • the transmission device 1 comprises a connection device 10, which comprises a cable arrangement 11, a first plug connector 12 and a second plug connector 13.
  • the connector 12, 13 are attached to the opposite ends of the cable assembly 11, the second connector 13 being connected to the parking lock actuator 8.
  • FIG. 2 is a detailed view of the transmission device 1 in the area of the connection device 10.
  • the first plug connector 12 is arranged in a housing opening 14 for contacting the cable arrangement 11 from the outside of the gear housing 9.
  • a connector housing 15 of the first connector 12 is flanged onto the transmission housing 9 by fastening means 16, 17.
  • the first connector 12 has a first sealing means 18 which comprises two sealing rings 19, 20.
  • the sealing rings 19, 20 are arranged surrounding the connector housing 15 between the latter and the transmission housing opening 14.
  • the first sealant is used to prevent the lubricant from escaping from the transmission housing opening 14, namely through an intermediate space between the first connector 12 and the transmission housing opening 14.
  • connection device 10 is a perspective detailed view of the connection device 10.
  • FIG. 3 initially shows that the cable arrangement 11 has a plurality of individual cables 21 which are surrounded by a fabric hose 22 between the plug connectors 12, 13. Because of the high temperatures of up to 150 ° C in the lubricant bath, the cable arrangement 11 meets high temperature requirements.
  • Two individual cables 21 power cables for the electrical supply of the parking lock actuator 8 are provided.
  • Two power cables supply a primary release function of the parking lock actuator 8, which is formed by an electric drive.
  • Two power cables also supply a secondary release function formed by a lifting magnet to release a clutch of the electric drive, through which the transmission element 2 can be blocked in the event of a malfunction in the primary release function .
  • a single cable 21 is a ground cable.
  • two individual cables 21 are signal cables through which a sensor signal from a position sensor of the parking lock 6 can be transmitted.
  • the cable arrangement 11 also has two cable clamps 23, 24 by means of which the connecting device 10 is fastened within the transmission device.
  • the first connector 12 comprises, in addition to the connector housing 15, meh eral contact elements 25 which are each electrically conductively connected to one of the individual cables.
  • the connector housing 15 has a receiving space 26 which encloses one of the individual cables 21 in an axially fluid-tight manner.
  • the connector has a second sealing means 27, which comprises a plurality of you tiata 28, each of which seals a single cable 21 with respect to the connector housing 15.
  • the sealing elements 28 are connected to the individual cables 21 by crimping and prevent the lubricant from escaping through the transmission housing opening 14.
  • FIG. 5 is a schematic diagram of an exemplary embodiment of a vehicle 29 according to the invention with an exemplary embodiment of a drive device 30 which is set up to drive the vehicle.
  • the drive device 30 comprises an electrical machine 31 and the transmission device 1, which is set up by means of the shaft 4 to transmit the rotary movement from the electrical machine 31 to the transmission device 1.
  • the drive device 30 comprises an inverter 32 which is set up to convert a direct voltage into a polyphase alternating voltage for the electrical supply of the electrical machine 31.
  • the transmission housing 9 (see FIG. 1) of the transmission device 1 is part of the electrical machine 31, the transmission device 1, the shaft 4 and the inverter 32 housing 33.
  • the inverter 32 is connected to the first connector 12 by means of a cable 34 the transmission device 1 outside of the Housing 33 connected. Via the cable 34 control signals from a control device of the inverter 32 are transmitted to the parking lock 6 (see FIG. 1).

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Gear-Shifting Mechanisms (AREA)

Abstract

L'invention concerne un dispositif de transmission (1) pour un véhicule pouvant être entraîné électriquement (29), ledit dispositif de transmission comprenant : - un élément de transmission (2), - un verrouillage de stationnement (6) au moyen duquel l'élément de transmission (2) peut être verrouillé, - un boîtier de transmission (9) qui renferme l'élément de transmission (2) et le verrouillage de stationnement (6), - un dispositif de raccordement (10) ayant un agencement de câble (11) qui s'étend dans le boîtier de transmission (10) et au niveau de la première extrémité duquel un connecteur mâle (12) est monté, ledit connecteur mâle étant situé dans une ouverture de boîtier de transmission (14) de sorte que l'agencement de câble (11) peut être mis en contact avec l'extérieur du boîtier de transmission (9) et ayant des éléments de contact (25) situés dans un boîtier de connecteur mâle (15), une seconde extrémité de l'agencement de câble (11) est reliée au verrouillage de stationnement (6), et le connecteur mâle (12) comporte au moins un moyen d'étanchéité (18, 27) pour empêcher la fuite d'un lubrifiant à travers l'ouverture de boîtier de transmission (14).
EP20812252.3A 2019-11-29 2020-11-24 Dispositif de transmission pour un véhicule pouvant être entraîné électriquement, dispositif d'entraînement pour un véhicule pouvant être entraîné électriquement, et véhicule Pending EP4065861A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019132506.4A DE102019132506A1 (de) 2019-11-29 2019-11-29 Getriebeeinrichtung für ein elektrisch antreibbares Fahrzeug, Antriebseinrichtung für ein elektrisch antreibbares Fahrzeug und Fahrzeug
PCT/EP2020/083123 WO2021105080A1 (fr) 2019-11-29 2020-11-24 Dispositif de transmission pour un véhicule pouvant être entraîné électriquement, dispositif d'entraînement pour un véhicule pouvant être entraîné électriquement, et véhicule

Publications (1)

Publication Number Publication Date
EP4065861A1 true EP4065861A1 (fr) 2022-10-05

Family

ID=73598067

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20812252.3A Pending EP4065861A1 (fr) 2019-11-29 2020-11-24 Dispositif de transmission pour un véhicule pouvant être entraîné électriquement, dispositif d'entraînement pour un véhicule pouvant être entraîné électriquement, et véhicule

Country Status (5)

Country Link
US (1) US20220412458A1 (fr)
EP (1) EP4065861A1 (fr)
CN (1) CN115176100A (fr)
DE (1) DE102019132506A1 (fr)
WO (1) WO2021105080A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019132496A1 (de) * 2019-11-29 2021-06-02 Valeo Siemens Eautomotive Germany Gmbh Getriebeeinrichtung für ein elektrisch antreibbares Fahrzeug, Antriebseinrichtung für ein elektrisch antreibbares Fahrzeug und Fahrzeug
DE102021133527B3 (de) 2021-12-16 2022-11-10 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Vorrichtung zum Antrieb eines Fahrzeugs

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3677821B2 (ja) * 1995-07-17 2005-08-03 日産自動車株式会社 ハーネスターミナルの取付構造
JP3980292B2 (ja) * 2001-05-08 2007-09-26 ジヤトコ株式会社 自動変速機の車速センサ取付構造
JP4818628B2 (ja) * 2005-03-29 2011-11-16 ダイハツ工業株式会社 変速装置
CN101495783A (zh) * 2006-11-24 2009-07-29 爱信艾达株式会社 自动变速器的控制单元及装载有该控制单元的自动变速器
JP4916419B2 (ja) * 2007-11-15 2012-04-11 トヨタ自動車株式会社 自動変速機の油圧制御装置
JP5711548B2 (ja) * 2011-01-21 2015-05-07 矢崎総業株式会社 コネクタ
JP5882843B2 (ja) * 2012-06-21 2016-03-09 矢崎総業株式会社 コネクタ、及び充填材の注入方法
JP2015053177A (ja) * 2013-09-06 2015-03-19 矢崎総業株式会社 コネクタ
DE102015217875A1 (de) * 2015-09-17 2017-03-23 Siemens Aktiengesellschaft Antriebssystem mit einer elektrischen Maschine und einem Getriebe
JP6605899B2 (ja) * 2015-09-29 2019-11-13 Ｎｔｎ株式会社 電動車両駆動装置
DE102016214683B4 (de) * 2016-08-08 2018-06-14 Magna powertrain gmbh & co kg Sperranordnung
US20180112774A1 (en) * 2016-10-21 2018-04-26 GM Global Technology Operations LLC Park control system for a vehicle transmission
DE202017102174U1 (de) * 2017-04-11 2017-05-24 Ford Global Technologies, Llc Drehmomentsensorpackaging für Automatikgetriebe
DE102018133266A1 (de) * 2018-12-20 2020-06-25 Fte Automotive Gmbh Getriebegehäuse mit elektromechanischem Parksperrenaktuator

Also Published As

Publication number Publication date
WO2021105080A1 (fr) 2021-06-03
CN115176100A (zh) 2022-10-11
US20220412458A1 (en) 2022-12-29
DE102019132506A1 (de) 2021-06-02

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