EP2810343B1 - High-voltage plug connector system, battery, and motor vehicle - Google Patents

High-voltage plug connector system, battery, and motor vehicle Download PDF

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Publication number
EP2810343B1
EP2810343B1 EP13701278.7A EP13701278A EP2810343B1 EP 2810343 B1 EP2810343 B1 EP 2810343B1 EP 13701278 A EP13701278 A EP 13701278A EP 2810343 B1 EP2810343 B1 EP 2810343B1
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EP
European Patent Office
Prior art keywords
plug connector
voltage plug
voltage
housing
voltage connector
Prior art date
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EP13701278.7A
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German (de)
French (fr)
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EP2810343A1 (en
EP2810343B9 (en
Inventor
Claus Gerald Pflueger
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.)
Robert Bosch GmbH
Samsung SDI Co Ltd
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Robert Bosch GmbH
Samsung SDI Co Ltd
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Publication of EP2810343A1 publication Critical patent/EP2810343A1/en
Publication of EP2810343B1 publication Critical patent/EP2810343B1/en
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Publication of EP2810343B9 publication Critical patent/EP2810343B9/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the present invention relates to a high-voltage connector system comprising a housing seal with a recess and a high-voltage connector with an electrical conductor. Furthermore, the invention relates to a battery with the high-voltage connector system according to the invention and a motor vehicle with the battery.
  • Lithium-ion cells have at least one positive and one negative electrode (cathode or anode), the lithium-ion (Li +) reversible on (intercalation) or outsource (deintercalation) can.
  • FIG. 1 shows how individual battery cells 10 can be combined to battery modules 12 and then to batteries 14. This is not done by one
  • a battery module 12 or a battery 14 consist of at least two battery cells 10, the terms battery 14 and battery module 12 are often used interchangeably.
  • the electrical voltage of a battery 14 is for example between 120 and 600 volts DC.
  • the individual battery cells 10 of a battery 14 are normally disposed within a housing, the battery housing. Due to the system, this housing has several electrical interfaces. At present, low-voltage and high-voltage connectors (colloquially plugs, actually built-in plugs or sockets) are used as interfaces in the housing.
  • the housing currently has to meet IP6K9K and IP6K7 tightness ratings for use in a road vehicle.
  • the low-voltage connectors can also be integrated into the housing seal according to the prior art. In this case, the required tightness is ensured both in the mated and unmated state of the low-voltage connector.
  • the high-voltage connectors have generally been attached to the housing as separate components. These high-voltage connectors meet the tightness requirements when plugged.
  • a high-voltage connector system for mounting on a housing which comprises a pair of high-voltage connectors in the form of a built-in connector and a coupling.
  • the built-in plug is firmly mounted to a housing, while in the coupling two electrical conductors are performed.
  • the transition between the two conductors and the housing of the coupling is sealed by means of seals.
  • the transition between plug and socket is sealed by means of a seal.
  • US Pat. No. 7,540,775 B2 discloses a high-voltage connector which is guided through a recess of a seal, so that this surrounds the high-voltage connector.
  • a high-voltage connector system comprises a housing seal with a recess and a high-voltage connector with an electrical conductor, wherein the high-voltage connector passed through a recess of the housing seal is. This is done in such a way that the housing seal surrounds the high-voltage connector.
  • the high-voltage connector system is understood to mean a combination of a housing seal and a high-voltage connector.
  • the high-voltage connector and thus the conductor are designed to be suitable for high-voltage systems, preferably greater than a voltage of 400 V (usually up to 2.75 kV).
  • the high-voltage connector is preferably designed to be suitable for high currents greater than 700 A (usually up to several 1000 A) and therefore has a good electrical conductivity.
  • the head of the high-voltage connector can in principle be a male or female contact pin, so that the high-voltage connector is a built-in connector or a socket.
  • the high-voltage connector may comprise any number of conductors, preferably a high-voltage connector comprises a plurality of conductors, in particular two conductors, so that two or more poles are passed through the housing seal.
  • the housing seal is circumferential, so closed in itself, so that the housing seal is particularly adapted to a transition or gap between two different housing parts, ie, for. B. seal the transition between two housing halves of a housing all around.
  • the housing halves are in particular the halves of a battery case.
  • the high-voltage connector is passed through a recess of the housing seal, so that it rests in particular all around the high-voltage connector.
  • housing seals are also referred to by the English term "window gasket”.
  • the high-voltage connector system according to the invention has the advantage that no separate high-voltage connectors must be attached to the housing. This eliminates the need to install the high-voltage connectors and the separate sealing of the high-voltage connectors. Since the housing for the high-voltage connectors does not have to be provided with corresponding openings, it can also be made up of two identical parts. The High-voltage connectors are tight when plugged in as well as unplugged.
  • the high-voltage connector has a groove in which the housing seal is located. Through the groove, the position of the high-voltage connector is fixed relative to the housing seal. In addition, the groove creates a space for the housing seal, so that the high-voltage connector of the housing parts, for. B. the housing halves, can be clamped.
  • the groove is also preferably formed around the high-voltage connector around the circumference, so that the housing seal extends around the plug within the groove.
  • the high-voltage connector is formed divisible, so that a part of the high-voltage connector, which forms a side surface of the groove, is removable.
  • a lighter mounting of the high-voltage connector is achieved with the housing seal.
  • the housing seal can be pushed laterally into the groove.
  • the high-voltage connector preferably has a dividing plane which runs through the groove bottom and divides the high-voltage connector down to the conductor. The division plane preferably runs normal to the longitudinal extent of the conductor.
  • the insulation encloses the conductor around the circumference, so that the conductor is insulated in the radial direction.
  • the insulation may in particular be a ceramic insulation.
  • a secondary seal for. B. a sealing ring, in particular an O-ring arranged.
  • the secondary seal surrounds the conductor and is clamped between the conductor and the insulation. As a result, the transition between the conductor and insulation in the conductor longitudinal direction is sealed even in the unplugged state.
  • a connector jacket Adjacent to the insulation, a connector jacket is preferably arranged.
  • the connector sheath represents the plug geometry and thus realizes a contact protection of the conductor. Furthermore, it ensures that only the right plug or the appropriate coupling can be inserted with the high-voltage connector.
  • the high-voltage connector comprises a shield.
  • the shield is preferably applied to the connector shell and surrounds the high-voltage connector.
  • the shielding is preferably designed to contact a housing to be sealed by the housing seal.
  • the high-voltage connector is sheathed on both sides of the seal by a shield.
  • a low-voltage feedthrough is integrated in the high-voltage connector.
  • the high-voltage connector thus serves not only to carry out a high-voltage connector through the housing seal, but also to carry out a low-voltage connector.
  • the high-voltage connector is designed so that a strain relief is integrated, so that tensile forces of the connected cable can be absorbed by the strain relief.
  • a complementary high-voltage connector which is designed to be plugged together with the high-voltage connector.
  • the conductor of the complementary high-voltage connector is a female contact pin when the contact pin of the high-voltage connector is a male contact pin and vice versa.
  • a battery comprising the high-voltage connector system according to the invention.
  • the housing seal seals in particular a transition between two housing parts z. B. two housing halves of the battery case around the circumference.
  • the battery is a lithium-ion battery having a plurality of lithium-ion battery cells (secondary cells).
  • Lithium-ion battery cells are characterized by high energy and power densities.
  • a motor vehicle comprising the battery according to the invention is made available, wherein the battery is generally provided for feeding an electric drive system of the motor vehicle.
  • FIG. 1 has already been discussed to explain the state of the art.
  • FIG. 2 shows a sectional view of the high-voltage connector system according to the invention with a housing seal 28 and a high-voltage connector in the installed state between an upper housing part 16 and a lower housing part 17.
  • the sectional plane extends through the center line of an illustrated and not cut rotationally symmetrical electrical conductor 18.
  • the high-voltage connector comprises two electrical conductors 18, which are passed through the housing seal 28.
  • the high-voltage connector shown is divisible, so that a part of the high-voltage connector, which forms a side surface of the groove, is removable.
  • a first insulation 22 and a second insulation 23 form the insulation.
  • the connector shell is formed in two parts by the first connector shell 20 and the second connector shell 21, as well as the shield, which includes a first shield 24 and a second shield 25.
  • the removable part is formed in this case of the second connector shell 21 with the second shield 25.
  • the first insulation 22 encloses the conductors 18, so that they are mutually insulated from one another and with respect to the housing seal 28 as well as the housing, even at very high voltages.
  • the housing seal 28 surrounds the high-voltage connector within a circumferential groove around the high-voltage connector, wherein the first insulation 22 forms the groove bottom.
  • secondary seals 26 are arranged, which may be formed as O-ring seals and may also extend in grooves. The secondary seals 26 seal the transitions between the first insulation 22 and the conductors 18 in the conductor longitudinal direction.
  • a side surface of the groove is formed by the first connector shell 20, which rests against the first insulation 22 and this partially enveloped.
  • the first connector shell 20 forms the plug geometry of the high-voltage connector, and ensures that only matching complementary high-voltage connector can be plugged.
  • the illustrated in the drawing left of the housing seal 28 part of the high-voltage connector is constructed similarly.
  • the second insulation 23 surrounds the conductors 18 and the second connector shell 21 surrounds the second insulation 23.
  • Seals such as the secondary seals 26 shown in the right-hand part of the drawing, can be dispensed with because the interior of the housing (left in FIG. 2 ) already by the side seals 26 from the area outside the housing (right in the FIG. 2 ) is sealed.
  • Outside the second connector shell 21 fitting the second shield 25 arranged which surrounds the second connector shell 21 and thus the high-voltage connector.
  • the high-voltage connector is formed divisible.
  • the housing seal 28 can be pushed laterally into the groove of the high-voltage connector with no plug jacket 21, and then fixed with the second connector shell 21.
  • the second plug casing 21 may, for example, be positively or frictionally connected to the second insulation 23.
  • the high-voltage connector system is squeezed by the upper housing part 16 and the lower housing part 17 so that the housing seal 28 is compressed and at the same time the shields 24, 25 are contacted.
  • FIG. 3 shows a top view from the right on the FIG. 2 known high-voltage connector system.
  • the conductors 18 are insulated from each other by the insulation 22.
  • the high-voltage connector can be used to realize in addition to the high-voltage bushings and low-voltage bushings 19 through the high-voltage connector. These are also isolated by the insulation 22 of the conductors 18.
  • FIG. 4 shows a housing seal 28.
  • the housing seal 28 is formed all around and closed in itself, so that it seals, for example, the transition between two housing parts.
  • the housing seal 28 also has a recess 30.
  • the recess 30 is adapted to abut against a, passed through it, high-voltage connector around the circumference and to encompass this.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Description

Die vorliegende Erfindung betrifft ein Hochvoltsteckverbindersystem umfassend eine Gehäusedichtung mit einer Ausnehmung und einen Hochvoltsteckverbinder mit einem elektrischen Leiter. Ferner betrifft die Erfindung eine Batterie mit dem erfindungsgemäßen Hochvoltsteckverbindersystem und ein Kraftfahrzeug mit der Batterie.The present invention relates to a high-voltage connector system comprising a housing seal with a recess and a high-voltage connector with an electrical conductor. Furthermore, the invention relates to a battery with the high-voltage connector system according to the invention and a motor vehicle with the battery.

Stand der TechnikState of the art

Es zeichnet sich ab, dass in Zukunft sowohl bei stationären Anwendungen, wie Windkraftanlagen, in Kraftfahrzeugen, die als Hybrid- oder Elektrokraftfahrzeuge ausgelegt sind, als auch bei Elektronikgeräten, wie Laptops oder Mobiltelefonen, neue Batteriesysteme zum Einsatz kommen werden, an die sehr hohe Anforderungen bezüglich Zuverlässigkeit, Sicherheit, Leistungsfähigkeit und Lebensdauer gestellt werden.It is becoming apparent that new battery systems will be used in future, both in stationary applications such as wind turbines, in motor vehicles designed as hybrid or electric vehicles, and in electronic devices such as laptops or mobile phones in terms of reliability, safety, performance and service life.

In Fahrzeugen mit zumindest teilweisem elektrischen Antrieb kommen elektrische Energiespeicher zum Einsatz, um die elektrische Energie für den Elektromotor, welcher den Antrieb unterstützt bzw. als Antrieb dient, zu speichern. In den Fahrzeugen der neuesten Generation finden hierbei sogenannte Lithium-Ionen-Batterien Verwendung. Diese zeichnen sich unter anderem durch hohe Energiedichten und eine äußerst geringe Selbstentladung aus. Lithium-Ionen-Zellen besitzen mindestens eine positive und eine negative Elektrode (Kathode bzw. Anode), die Lithium-Ionen (Li+) reversibel ein-(Interkalation) oder wieder auslagern (Deinterkalation) können.In vehicles with at least partial electric drive electrical energy storage are used to store the electrical energy for the electric motor, which supports the drive or serves as a drive. In the vehicles of the latest generation, so-called lithium-ion batteries are used. These are characterized among other things by high energy densities and an extremely low self-discharge. Lithium-ion cells have at least one positive and one negative electrode (cathode or anode), the lithium-ion (Li +) reversible on (intercalation) or outsource (deintercalation) can.

Figur 1 zeigt, wie einzelne Batteriezellen 10 zu Batteriemodulen 12 und dann zu Batterien 14 zusammengefasst werden können. Dies erfolgt durch eine nicht dargestellte Parallel- oder Reihenschaltung der Pole der Batteriezellen 10. Dabei bestehen per Definition ein Batteriemodul 12 bzw. eine Batterie 14 aus mindestens zwei Batteriezellen 10, wobei die Begriffe Batterie 14 und Batteriemodul 12 oft synonym verwendet werden. Die elektrische Spannung einer Batterie 14 beträgt beispielsweise zwischen 120 und 600 Volt Gleichspannung. FIG. 1 shows how individual battery cells 10 can be combined to battery modules 12 and then to batteries 14. This is not done by one By definition, a battery module 12 or a battery 14 consist of at least two battery cells 10, the terms battery 14 and battery module 12 are often used interchangeably. The electrical voltage of a battery 14 is for example between 120 and 600 volts DC.

Die einzelnen Batteriezellen 10 einer Batterie 14 sind normalerweise innerhalb eines Gehäuses, dem Batteriegehäuse, angeordnet. Systembedingt besitzt dieses Gehäuse mehrere elektrische Schnittstellen. Momentan werden als Schnittstellen Nieder- und Hochvoltsteckverbinder (umgangssprachlich Stecker, eigentlich Einbaustecker oder Buchsen) in das Gehäuse eingesetzt. Das Gehäuse muss für den Einsatz in einem Straßenfahrzeug derzeit die Dichtheitsklassen IP6K9K und IP6K7 erfüllen. Die Niedervoltsteckverbinder lassen sich gemäß dem Stand der Technik auch in die Gehäusedichtung integrieren. Dabei wird die geforderte Dichtheit sowohl im gesteckten wie im ungesteckten Zustand des Niedervoltsteckverbinders sichergestellt. Die Hochvoltsteckverbinder wurden bislang in der Regel als separate Bauteile an das Gehäuse angebracht. Diese Hochvoltsteckverbindungen erfüllen die Dichtheitsanforderungen im gesteckten Zustand.The individual battery cells 10 of a battery 14 are normally disposed within a housing, the battery housing. Due to the system, this housing has several electrical interfaces. At present, low-voltage and high-voltage connectors (colloquially plugs, actually built-in plugs or sockets) are used as interfaces in the housing. The housing currently has to meet IP6K9K and IP6K7 tightness ratings for use in a road vehicle. The low-voltage connectors can also be integrated into the housing seal according to the prior art. In this case, the required tightness is ensured both in the mated and unmated state of the low-voltage connector. Up to now, the high-voltage connectors have generally been attached to the housing as separate components. These high-voltage connectors meet the tightness requirements when plugged.

Aus der DE 10 2009 043 516 A1 ist ein Hochvoltsteckverbindersystem zur Montage an einem Gehäuse bekannt, welches ein Paar von Hochvoltsteckverbindern in Form eines Einbausteckers und einer Kupplung umfasst. Der Einbaustecker ist fest an ein Gehäuse montierbar, während in die Kupplung zwei elektrische Leiter geführt sind. Der Übergang zwischen den beiden Leitern und dem Gehäuse der Kupplung ist mittels Dichtungen abgedichtet. Ebenso wird im gesteckten Zustand der Übergang zwischen Stecker und Buchse mittels einer Dichtung abgedichtet. US 7 540 775 B2 offenbart einen Hochvoltsteckverbinder, der durch eine Ausnehmung einer Dichtung geführt ist, so dass diese den Hochvoltsteckverbinder umgreift.From the DE 10 2009 043 516 A1 a high-voltage connector system for mounting on a housing is known which comprises a pair of high-voltage connectors in the form of a built-in connector and a coupling. The built-in plug is firmly mounted to a housing, while in the coupling two electrical conductors are performed. The transition between the two conductors and the housing of the coupling is sealed by means of seals. Likewise, in the inserted state, the transition between plug and socket is sealed by means of a seal. US Pat. No. 7,540,775 B2 discloses a high-voltage connector which is guided through a recess of a seal, so that this surrounds the high-voltage connector.

Offenbarung der ErfindungDisclosure of the invention

Erfindungsgemäß wird ein Hochvoltsteckverbindersystem zur Verfügung gestellt. Dieses umfasst eine Gehäusedichtung mit einer Ausnehmung und einen Hochvoltsteckverbinder mit einem elektrischen Leiter, wobei der Hochvoltsteckverbinder durch eine Ausnehmung der Gehäusedichtung geführt ist. Dies erfolgt derart, dass die Gehäusedichtung den Hochvoltsteckverbinder umgreift.According to the invention, a high-voltage connector system is provided. This comprises a housing seal with a recess and a high-voltage connector with an electrical conductor, wherein the high-voltage connector passed through a recess of the housing seal is. This is done in such a way that the housing seal surrounds the high-voltage connector.

Unter dem erfindungsgemäßen Hochvoltsteckverbindersystem wird eine Kombination aus einer Gehäusedichtung und einem Hochvoltsteckverbinder verstanden. Der Hochvoltsteckverbinder und somit der Leiter sind dazu ausgebildet, für Hochvoltsysteme, bevorzugt größer einer Spannung von 400 V (in der Regel bis zu 2,75 kV) geeignet zu sein. Zudem ist der Hochvoltsteckverbinder bevorzugt dazu ausgebildet, für hohe Ströme größer 700 A (in der Regel bis zu mehreren 1000 A) geeignet zu sein und besitzt deshalb eine gute elektrische Leitfähigkeit.The high-voltage connector system according to the invention is understood to mean a combination of a housing seal and a high-voltage connector. The high-voltage connector and thus the conductor are designed to be suitable for high-voltage systems, preferably greater than a voltage of 400 V (usually up to 2.75 kV). In addition, the high-voltage connector is preferably designed to be suitable for high currents greater than 700 A (usually up to several 1000 A) and therefore has a good electrical conductivity.

Der Leiter des Hochvoltsteckverbinders kann prinzipiell ein männlicher oder weiblicher Kontaktstift sein, so dass der Hochvoltsteckverbinder ein Einbaustecker oder eine Buchse ist. Prinzipiell kann der Hochvoltsteckverbinder eine beliebige Anzahl an Leitern umfassen, bevorzugt umfasst ein Hochvoltsteckverbinder mehrere Leiter, insbesondere zwei Leiter, so dass zwei oder mehr Pole durch die Gehäusedichtung hindurchgeführt werden.The head of the high-voltage connector can in principle be a male or female contact pin, so that the high-voltage connector is a built-in connector or a socket. In principle, the high-voltage connector may comprise any number of conductors, preferably a high-voltage connector comprises a plurality of conductors, in particular two conductors, so that two or more poles are passed through the housing seal.

In der Regel ist die Gehäusedichtung rundumlaufend, also in sich geschlossen ausgeführt, so dass die Gehäusedichtung insbesondere dazu ausgebildet ist, einen Übergang oder Spalt zwischen zwei verschiedenen Gehäuseteilen, also z. B. den Übergang zwischen zwei Gehäusehälften eines Gehäuses ringsum abzudichten. Die Gehäusehälften sind insbesondere die Hälften eines Batteriegehäuses. Der Hochvoltsteckverbinder ist durch eine Ausnehmung der Gehäusedichtung hindurchgeführt, so dass diese insbesondere ringsum an den Hochvoltsteckverbinder anliegt. Manchmal werden solche Gehäusedichtungen auch mit dem englischen Begriff "window gasket" bezeichnet.In general, the housing seal is circumferential, so closed in itself, so that the housing seal is particularly adapted to a transition or gap between two different housing parts, ie, for. B. seal the transition between two housing halves of a housing all around. The housing halves are in particular the halves of a battery case. The high-voltage connector is passed through a recess of the housing seal, so that it rests in particular all around the high-voltage connector. Sometimes such housing seals are also referred to by the English term "window gasket".

Das erfindungsgemäße Hochvoltsteckverbindersystem hat den Vorteil, dass an das Gehäuse keine separaten Hochvoltsteckverbinder mehr angebracht werden müssen. Damit entfallen auch die Montage der Hochvoltsteckverbinder und die separate Abdichtung der Hochvoltsteckverbinder. Da das Gehäuse für die Hochvoltsteckverbinder nicht mit entsprechenden Öffnungen versehen werden muss, kann es auch aus zwei Gleichteilen aufgebaut werden. Die Hochvoltsteckverbinder sind sowohl im gesteckten wie auch im ungesteckten Zustand dicht.The high-voltage connector system according to the invention has the advantage that no separate high-voltage connectors must be attached to the housing. This eliminates the need to install the high-voltage connectors and the separate sealing of the high-voltage connectors. Since the housing for the high-voltage connectors does not have to be provided with corresponding openings, it can also be made up of two identical parts. The High-voltage connectors are tight when plugged in as well as unplugged.

Gemäß einer bevorzugten Ausgestaltung der Erfindung weist der Hochvoltsteckverbinder eine Nut auf, in welcher die Gehäusedichtung liegt. Durch die Nut ist die Position des Hochvoltsteckverbinders relativ zur Gehäusedichtung fixiert. Zudem schafft die Nut einen Raum für die Gehäusedichtung, so dass der Hochvoltsteckverbinder von den Gehäuseteilen, z. B. den Gehäusehälften, mitgeklemmt werden kann. Die Nut ist ferner bevorzugt um den Hochvoltsteckverbinder rundumlaufend ausgebildet, so dass die Gehäusedichtung um den Stecker innerhalb der Nut verläuft.According to a preferred embodiment of the invention, the high-voltage connector has a groove in which the housing seal is located. Through the groove, the position of the high-voltage connector is fixed relative to the housing seal. In addition, the groove creates a space for the housing seal, so that the high-voltage connector of the housing parts, for. B. the housing halves, can be clamped. The groove is also preferably formed around the high-voltage connector around the circumference, so that the housing seal extends around the plug within the groove.

Ferner bevorzugt ist der Hochvoltsteckverbinder teilbar ausgebildet, so dass ein Teil des Hochvoltsteckverbinders, welcher eine Seitenfläche der Nut ausbildet, entfernbar ist. Durch diese Ausgestaltung wird eine leichtere Montage des Hochvoltsteckverbinders mit der Gehäusedichtung erreicht. So kann die Gehäusedichtung seitlich in die Nut geschoben werden. Anschließend wird der Teil des Hochvoltsteckverbinders, welcher die eine Seitenfläche der Nut ausbildet, mit dem restlichen Hochvoltsteckverbinder zusammengesetzt, so dass die Gehäusedichtung innerhalb der Nut liegt. Zur Umsetzung dieser Variante weist der Hochvoltsteckverbinder bevorzugt eine Teilungsebene auf, welche durch den Nutgrund verläuft und den Hochvoltsteckverbinder bis auf den Leiter teilt. Die Teilungsebene verläuft bevorzugt normal zur Längsausdehnung des Leiters.Further preferably, the high-voltage connector is formed divisible, so that a part of the high-voltage connector, which forms a side surface of the groove, is removable. With this configuration, a lighter mounting of the high-voltage connector is achieved with the housing seal. Thus, the housing seal can be pushed laterally into the groove. Subsequently, the part of the high-voltage connector, which forms the one side surface of the groove, assembled with the remaining high-voltage connector, so that the housing seal is within the groove. To implement this variant, the high-voltage connector preferably has a dividing plane which runs through the groove bottom and divides the high-voltage connector down to the conductor. The division plane preferably runs normal to the longitudinal extent of the conductor.

Zwischen Leiter und Gehäusedichtung ist bevorzugt eine Isolierung angeordnet. Die Isolierung umschließt den Leiter rundumlaufend, so dass der Leiter in radialer Richtung isoliert ist. Die Isolierung kann insbesondere eine Keramikisolierung sein.Between the conductor and housing seal insulation is preferably arranged. The insulation encloses the conductor around the circumference, so that the conductor is insulated in the radial direction. The insulation may in particular be a ceramic insulation.

Zwischen der Isolierung und dem Leiter ist vorzugsweise eine Nebendichtung, z. B. ein Dichtring, insbesondere ein O-Ring angeordnet. In der Regel umgreift die Nebendichtung den Leiter und ist zwischen Leiter und Isolierung geklemmt. Dadurch ist der Übergang zwischen Leiter und Isolierung in Leiterlängsrichtung auch im ungesteckten Zustand abgedichtet.Between the insulation and the conductor is preferably a secondary seal, for. B. a sealing ring, in particular an O-ring arranged. As a rule, the secondary seal surrounds the conductor and is clamped between the conductor and the insulation. As a result, the transition between the conductor and insulation in the conductor longitudinal direction is sealed even in the unplugged state.

An die Isolierung anliegend ist bevorzugt eine Steckerummantelung angeordnet. Die Steckerummantelung stellt die Steckergeometrie dar und verwirklicht so einen Berührschutz des Leiters. Weiterhin gewährleistet sie, dass mit dem Hochvoltsteckverbinder nur der passende Stecker oder die passende Kupplung gesteckt werden kann.Adjacent to the insulation, a connector jacket is preferably arranged. The connector sheath represents the plug geometry and thus realizes a contact protection of the conductor. Furthermore, it ensures that only the right plug or the appropriate coupling can be inserted with the high-voltage connector.

Gemäß einer bevorzugten Ausgestaltung der Erfindung umfasst der Hochvoltsteckverbinder eine Schirmung. Die Schirmung liegt bevorzugt an der Steckerummantelung an und ummantelt den Hochvoltsteckverbinder. Bevorzugt ist die Schirmung dazu ausgebildet ist, ein von der Gehäusedichtung abzudichtendes Gehäuse zu kontaktieren. Ferner bevorzugt ist der Hochvoltsteckverbinder an beiden Seiten der Dichtung von einer Schirmung ummantelt.According to a preferred embodiment of the invention, the high-voltage connector comprises a shield. The shield is preferably applied to the connector shell and surrounds the high-voltage connector. The shielding is preferably designed to contact a housing to be sealed by the housing seal. Further preferably, the high-voltage connector is sheathed on both sides of the seal by a shield.

Bevorzugt ist eine Niedervoltdurchführung in den Hochvoltsteckverbinder integriert. Der Hochvoltsteckverbinder dient somit nicht nur zur Durchführung eines Hochvoltsteckverbinders durch die Gehäusedichtung, sondern auch zur Durchführung eines Niedervoltsteckverbinders.Preferably, a low-voltage feedthrough is integrated in the high-voltage connector. The high-voltage connector thus serves not only to carry out a high-voltage connector through the housing seal, but also to carry out a low-voltage connector.

Ferner bevorzugt ist der Hochvoltsteckverbinder so ausgeführt, dass eine Zugentlastung mit integriert ist, so dass Zugkräfte der angeschlossenen Kabel von der Zugentlastung aufgenommen werden können.Further preferably, the high-voltage connector is designed so that a strain relief is integrated, so that tensile forces of the connected cable can be absorbed by the strain relief.

Ferner wird ein komplementärer Hochvoltsteckverbinder vorgeschlagen, welcher dazu ausgebildet ist, mit dem Hochvoltsteckverbinder zusammengesteckt zu werden. Der Leiter des komplementären Hochvoltsteckverbinders ist ein weiblicher Kontaktstift, wenn der Kontaktstift des Hochvoltsteckverbinders ein männlicher Kontaktstift ist und umgekehrt.Furthermore, a complementary high-voltage connector is proposed, which is designed to be plugged together with the high-voltage connector. The conductor of the complementary high-voltage connector is a female contact pin when the contact pin of the high-voltage connector is a male contact pin and vice versa.

Ferner wird eine Batterie umfassend das erfindungsgemäße Hochvoltsteckverbindersystem zur Verfügung gestellt. Die Gehäusedichtung dichtet insbesondere einen Übergang zwischen zwei Gehäuseteilen z. B. zwei Gehäusehälften des Batteriegehäuses rundumlaufend ab.Furthermore, a battery comprising the high-voltage connector system according to the invention is provided. The housing seal seals in particular a transition between two housing parts z. B. two housing halves of the battery case around the circumference.

Bevorzugt ist die Batterie eine Lithium-Ionen-Batterie mit einer Mehrzahl an Lithium-Ionen-Batteriezellen (Sekundärzellen). Lithium-lonen-Batteriezellen zeichnen sich durch hohe Energie- und Leistungsdichten aus.Preferably, the battery is a lithium-ion battery having a plurality of lithium-ion battery cells (secondary cells). Lithium-ion battery cells are characterized by high energy and power densities.

Ferner wird ein Kraftfahrzeug umfassend die erfindungsgemäße Batterie zur Verfügung gestellt, wobei die Batterie in der Regel zur Speisung eines elektrischen Antriebssystems des Kraftfahrzeugs vorgesehen ist.Furthermore, a motor vehicle comprising the battery according to the invention is made available, wherein the battery is generally provided for feeding an electric drive system of the motor vehicle.

Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben und in der Beschreibung beschrieben.Advantageous developments of the invention are specified in the subclaims and described in the description.

Zeichnungendrawings

Ausführungsbeispiele der Erfindung werden anhand der Zeichnungen und der nachfolgenden Beschreibung näher erläutert. Es zeigen:

Figur 1
eine Batteriezelle, ein Batteriemodul und eine Batterie,
Figur 2
eine Schnittdarstellung des Hochvoltsteckverbindersystems,
Figur 3
eine Draufsicht auf das Hochvoltsteckverbindersystem, und
Figur 4
eine dreidimensionale Ansicht einer Gehäusedichtung.
Embodiments of the invention will be explained in more detail with reference to the drawings and the description below. Show it:
FIG. 1
a battery cell, a battery module and a battery,
FIG. 2
a sectional view of the high-voltage connector system,
FIG. 3
a plan view of the high-voltage connector system, and
FIG. 4
a three-dimensional view of a housing seal.

Auf Figur 1 wurde bereits zur Erläuterung des Standes der Technik eingegangen.On FIG. 1 has already been discussed to explain the state of the art.

Figur 2 zeigt eine Schnittdarstellung des erfindungsgemäßen Hochvoltsteckverbindersystems mit einer Gehäusedichtung 28 und einem Hochvoltstecker im eingebauten Zustand zwischen einem Gehäuseoberteil 16 und einem Gehäuseunterteil 17. Die Schnittebene verläuft durch die Mittenlinie eines dargestellten und nicht geschnittenen rotationssymmetrischen elektrischen Leiters 18. Wie in Figur 3 ersichtlich, umfasst der Hochvoltsteckverbinder zwei elektrische Leiter 18, welche durch die Gehäusedichtung 28 hindurchgeführt sind. FIG. 2 shows a sectional view of the high-voltage connector system according to the invention with a housing seal 28 and a high-voltage connector in the installed state between an upper housing part 16 and a lower housing part 17. The sectional plane extends through the center line of an illustrated and not cut rotationally symmetrical electrical conductor 18. As in FIG. 3 can be seen, the high-voltage connector comprises two electrical conductors 18, which are passed through the housing seal 28.

Der dargestellte Hochvoltsteckverbinder ist teilbar ausgebildet, so dass ein Teil des Hochvoltsteckverbinders, welcher eine Seitenfläche der Nut ausbildet, entfernbar ist. Im gezeigten Fall bilden eine erste Isolierung 22 und eine zweite Isolierung 23 die Isolierung. Auch die Steckerummantelung ist durch die erste Steckerummantelung 20 und die zweite Steckerummantelung 21 zweiteilig ausgebildet, ebenso die Schirmung, welche eine erste Schirmung 24 und eine zweite Schirmung 25 umfasst. Der entfernbare Teil wird in diesem Fall von der zweiten Steckerummantelung 21 mit der zweiten Schirmung 25 gebildet.The high-voltage connector shown is divisible, so that a part of the high-voltage connector, which forms a side surface of the groove, is removable. In the case shown, a first insulation 22 and a second insulation 23 form the insulation. The connector shell is formed in two parts by the first connector shell 20 and the second connector shell 21, as well as the shield, which includes a first shield 24 and a second shield 25. The removable part is formed in this case of the second connector shell 21 with the second shield 25.

Die erste Isolierung 22 umhüllt die Leiter 18, so dass diese auch bei sehr hohen Spannungen gegenseitig und gegenüber der Gehäusedichtung 28 sowie dem Gehäuse isoliert sind. Die Gehäusedichtung 28 umgreift den Hochvoltsteckverbinder innerhalb einer um den Hochvoltsteckverbinder umlaufenden Nut, wobei die erste Isolierung 22 den Nutgrund bildet. Zwischen jedem Leiter 18 und der ersten Isolierung 22 sind Nebendichtungen 26 angeordnet, welche als O-Ring Dichtungen ausgeformt sein und ebenfalls in Nuten verlaufen können. Die Nebendichtungen 26 dichten die Übergänge zwischen der ersten Isolierung 22 und den Leitern 18 in Leiterlängsrichtung ab.The first insulation 22 encloses the conductors 18, so that they are mutually insulated from one another and with respect to the housing seal 28 as well as the housing, even at very high voltages. The housing seal 28 surrounds the high-voltage connector within a circumferential groove around the high-voltage connector, wherein the first insulation 22 forms the groove bottom. Between each conductor 18 and the first insulation 22 secondary seals 26 are arranged, which may be formed as O-ring seals and may also extend in grooves. The secondary seals 26 seal the transitions between the first insulation 22 and the conductors 18 in the conductor longitudinal direction.

Eine Seitenfläche der Nut wird von der ersten Steckerummantelung 20 gebildet, welche an der ersten Isolierung 22 anliegt und diese teilweise umhüllt. Die erste Steckerummantelung 20 bildet die Steckergeometrie des Hochvoltsteckverbinders, und stellt sicher, dass nur passende komplementäre Hochvoltsteckverbinder gesteckt werden können. Außen an die erste Steckerummantelung 20 anliegend ist die erste (in diesem Fall äußere) Schirmung 24 angeordnet, welche die Steckerummantelung und somit den Hochvoltsteckverbinder umhüllt.A side surface of the groove is formed by the first connector shell 20, which rests against the first insulation 22 and this partially enveloped. The first connector shell 20 forms the plug geometry of the high-voltage connector, and ensures that only matching complementary high-voltage connector can be plugged. Adjacent to the first connector shell 20, the first (in this case, outer) shielding 24 is arranged, which surrounds the connector shell and thus the high-voltage connector.

Der in der Zeichnung links von der Gehäusedichtung 28 dargestellte Teil des Hochvoltsteckverbinders ist ähnlich aufgebaut. Die zweite Isolierung 23 ummantelt die Leiter 18 und die zweite Steckerummantelung 21 ummantelt die zweite Isolierung 23. Dichtungen, wie die im rechten Teil der Zeichnung ersichtlichen Nebendichtungen 26, können entfallen, da das Innere des Gehäuses (links in der Figur 2) bereits durch die Nebendichtungen 26 vom Bereich außerhalb des Gehäuses (rechts in der Figur 2) abgedichtet ist. Außen an die zweite Steckerummantelung 21 anliegend ist die zweite Schirmung 25 angeordnet, welche die zweite Steckerummantelung 21 und somit den Hochvoltsteckverbinder umhüllt. Durch diesen Aufbau ist der Hochvoltsteckverbinder teilbar ausgebildet. In diesem Fall kann die Gehäusedichtung 28 bei nicht vorhandener Steckerummantelung 21 seitlich in die Nut des Hochvoltsteckverbinders geschoben werden, und anschließend mit der zweiten Steckerummantelung 21 fixiert werden. Die zweite Steckerummantelung 21 kann beispielsweise form- oder reibschlüssig mit der zweiten Isolierung 23 verbunden sein.The illustrated in the drawing left of the housing seal 28 part of the high-voltage connector is constructed similarly. The second insulation 23 surrounds the conductors 18 and the second connector shell 21 surrounds the second insulation 23. Seals, such as the secondary seals 26 shown in the right-hand part of the drawing, can be dispensed with because the interior of the housing (left in FIG FIG. 2 ) already by the side seals 26 from the area outside the housing (right in the FIG. 2 ) is sealed. Outside the second connector shell 21 fitting the second shield 25 arranged, which surrounds the second connector shell 21 and thus the high-voltage connector. By this structure, the high-voltage connector is formed divisible. In this case, the housing seal 28 can be pushed laterally into the groove of the high-voltage connector with no plug jacket 21, and then fixed with the second connector shell 21. The second plug casing 21 may, for example, be positively or frictionally connected to the second insulation 23.

Das Hochvoltsteckverbindersystem wird von dem Gehäuseoberteil 16 und dem Gehäuseunterteil 17 so gequetscht, dass die Gehäusedichtung 28 komprimiert wird und gleichzeitig die Schirmungen 24, 25 kontaktiert werden.The high-voltage connector system is squeezed by the upper housing part 16 and the lower housing part 17 so that the housing seal 28 is compressed and at the same time the shields 24, 25 are contacted.

Figur 3 zeigt eine Draufsicht von rechts auf das aus Figur 2 bekannte Hochvoltsteckverbindersystem. Die Leiter 18 sind durch die Isolierung 22 voneinander isoliert. Ferner kann der Hochvoltsteckverbinder dazu genutzt werden, neben den Hochvoltdurchführungen auch Niedervoltdurchführungen 19 durch den Hochvoltsteckverbinder zu realisieren. Diese sind ebenfalls durch die Isolierung 22 von den Leitern 18 isoliert. FIG. 3 shows a top view from the right on the FIG. 2 known high-voltage connector system. The conductors 18 are insulated from each other by the insulation 22. Furthermore, the high-voltage connector can be used to realize in addition to the high-voltage bushings and low-voltage bushings 19 through the high-voltage connector. These are also isolated by the insulation 22 of the conductors 18.

Figur 4 zeigt eine Gehäusedichtung 28. Die Gehäusedichtung 28 ist rundumlaufend und in sich geschlossen ausgebildet, so dass diese beispielsweise den Übergang zwischen zwei Gehäuseteilen abdichtet. Die Gehäusedichtung 28 verfügt zudem über eine Ausnehmung 30. Die Ausnehmung 30 ist dazu ausgebildet, an einem, durch sie hindurchgeführten, Hochvoltsteckverbinder rundumlaufend anzuliegen und diesen zu umgreifen. FIG. 4 shows a housing seal 28. The housing seal 28 is formed all around and closed in itself, so that it seals, for example, the transition between two housing parts. The housing seal 28 also has a recess 30. The recess 30 is adapted to abut against a, passed through it, high-voltage connector around the circumference and to encompass this.

Claims (11)

  1. High-voltage plug connector system comprising a housing seal (28) and a high-voltage plug connector with an electrical conductor (18), wherein the housing seal (28) is embodied so as to run all around and is continuous, with the result that it is suitable for sealing the junction between two housing parts, wherein the housing seal (28) additionally has a cutout (30), wherein the high-voltage plug connector is guided through the cutout (30) in the housing seal (28) in such a way that the housing seal (28) engages around the high-voltage plug connector.
  2. High-voltage plug connector system according to Claim 1, wherein the high-voltage plug connector has a groove in which the housing seal (28) is located.
  3. High-voltage plug connector system according to Claim 2, wherein the high-voltage plug connector is of separable design, with the result that part of the high-voltage plug connector which forms a side face of the groove can be removed.
  4. High-voltage plug connector system according to one of the preceding claims, wherein an insulation means (22, 23) is arranged between the electrical conductor (18) and the housing seal (28).
  5. High-voltage plug connector system according to Claim 4, wherein the insulation means (22, 23) is a ceramic insulation.
  6. High-voltage plug connector system according to one of Claims 4 to 5, wherein a secondary seal (26) is arranged between the insulation means (22, 23) and the electrical conductor (18).
  7. High-voltage plug connector system according to one of Claims 4 to 6, wherein a plug sheath (20, 21) is arranged bearing on the insulation means (22, 23).
  8. High-voltage plug connector system according to one of the preceding claims, wherein the high-voltage plug connector comprises shielding (24, 25).
  9. High-voltage plug connector system according to one of the preceding claims, wherein a low-voltage feedthrough (19) is integrated into the high-voltage plug connector.
  10. Battery (14) comprising the high-voltage plug connector system according to one of Claims 1 to 9.
  11. Motor vehicle comprising the battery (14) according to Claim 10.
EP13701278.7A 2012-02-01 2013-01-28 High-voltage plug connector system, battery, and motor vehicle Active EP2810343B9 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012201420A DE102012201420A1 (en) 2012-02-01 2012-02-01 High-voltage connector system, battery and motor vehicle
PCT/EP2013/051528 WO2013113643A1 (en) 2012-02-01 2013-01-28 High-voltage plug connector system, battery, and motor vehicle

Publications (3)

Publication Number Publication Date
EP2810343A1 EP2810343A1 (en) 2014-12-10
EP2810343B1 true EP2810343B1 (en) 2017-12-27
EP2810343B9 EP2810343B9 (en) 2019-03-06

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DE (1) DE102012201420A1 (en)
WO (1) WO2013113643A1 (en)

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DE102018119547A1 (en) 2018-08-10 2020-02-13 Volkswagen Aktiengesellschaft Connecting element for high-voltage battery module, arrangement with such a connecting element and method for establishing a connection between a high-voltage battery module and another element

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KR20070049191A (en) * 2004-08-03 2007-05-10 타이코 일렉트로닉스 에이엠피 게엠베하 Electrical plug and method of fitting the plug
JP5291285B2 (en) * 2006-07-11 2013-09-18 サンデン株式会社 Sealed terminal device for electric compressor
DE102008059308B4 (en) * 2008-11-27 2012-09-13 Amphenol-Tuchel Electronics Gmbh Electric partition wall penetration
DE102009043516A1 (en) 2009-09-30 2011-04-07 Tyco Electronics Amp Gmbh Two-piece contact element for high voltage connectors
US8147272B2 (en) * 2010-02-04 2012-04-03 Tyco Electronics Corporation Header connector assembly
DE102010025096B3 (en) * 2010-06-25 2012-01-05 Reinz-Dichtungs-Gmbh Sealing frame with longitudinal oil-tight current feedthrough by elastomer extrusion

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WO2013113643A1 (en) 2013-08-08
EP2810343A1 (en) 2014-12-10
DE102012201420A1 (en) 2013-08-01
EP2810343B9 (en) 2019-03-06

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