EP2230727B1 - Mains connection cable and electrical device - Google Patents

Mains connection cable and electrical device Download PDF

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Publication number
EP2230727B1
EP2230727B1 EP10153933.6A EP10153933A EP2230727B1 EP 2230727 B1 EP2230727 B1 EP 2230727B1 EP 10153933 A EP10153933 A EP 10153933A EP 2230727 B1 EP2230727 B1 EP 2230727B1
Authority
EP
European Patent Office
Prior art keywords
housing
contact
circuit board
printed circuit
mains connection
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.)
Active
Application number
EP10153933.6A
Other languages
German (de)
French (fr)
Other versions
EP2230727A1 (en
Inventor
Stephan Lutz
Bruno Reiter
Norbert Straub
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete 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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2230727A1 publication Critical patent/EP2230727A1/en
Application granted granted Critical
Publication of EP2230727B1 publication Critical patent/EP2230727B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6271—Latching means integral with the housing
    • H01R13/6272—Latching means integral with the housing comprising a single latching arm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/592—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connections to contact elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
    • 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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/112—Resilient sockets forked sockets having two legs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/66—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with pins, blades or analogous contacts and secured to apparatus or structure, e.g. to a wall
    • H01R24/68—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with pins, blades or analogous contacts and secured to apparatus or structure, e.g. to a wall mounted on directly pluggable apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

Definitions

  • the invention relates to a network connection system, with a power cord and an electrical appliance.
  • a power cord which can be connected to a power supply to an electrical appliance, usually includes several isolated individual wires, each having electrical conductors and the electrical conductors enclosing insulation. One of the ends of the individual wires or their electrical conductors are connected to a power plug and the other ends of the individual wires contact the electrical appliance or an electronic module (power module) of the electrical appliance.
  • DE-A1-102005040241 discloses a network connection system according to the preamble of claim 1.
  • the object of the invention is to provide a network connection system with a power cord, which allows easier connection to an electrical appliance.
  • Another object of the invention is to provide an electrical appliance whose power supply line is easier to connect.
  • the object of the invention is achieved by a network connection system with a mains connection cable therefor with the features of claim 1 and by an electrical appliance having the features of claim 9.
  • the power supply line accordingly has the plurality of individual wires, which are insulated, for example, in each case and guided within a casing.
  • the individual wires have two ends, of which the first ends are electrically connected to the plug contacts.
  • the plug contacts are set up to contact the printed circuit board, which is in particular equipped with electrical and / or electronic components, in that they can be plugged directly onto the printed circuit board in its edge region.
  • the power cord preferably has, in particular on its housing, fastening means which are set up, in particular cooperating with counter-fastening means arranged on a housing for the printed circuit board and / or on a housing of the electrical appliance comprising the printed circuit board. This results in an improved hold of the power cord according to the invention on the electrical appliance.
  • the fastening means are preferably designed as latching means which latch in the plugged state of the mains connection line with counter-fastening means designed as counter-latching means. This results in conditions for a relatively simple connection of the power line according to the invention to the electrical appliance.
  • At least one plug contact preferably has at least one resilient contact tongue which is set up to press against the relevant mating plug contact in the plugged-on state of the plug contact for electrical contacting.
  • the resilient contact tongue provides, inter alia, not only conditions for a relatively good electrical connection between the relevant plug contact and the relevant mating contact, but also forms a fastening of the power cord to the printed circuit board and therefore optionally on the electric appliance according to the invention.
  • all the plug contacts have at least one resilient contact tongue.
  • At least one plug contact has a pair of resilient contact tongues, which in the plugged state of the power cord press against each other.
  • all the plug contacts each have a pair of mutually pressing resilient contact tongues.
  • At least one of the mating plug contacts of the printed circuit board may preferably be formed as a contact surface arranged on one of the surfaces of the printed circuit board.
  • the contact surface is for example part of an electrical trace of the printed circuit board.
  • the respective contact surface can be provided only on the upper side or only on the underside of the printed circuit board.
  • the power cord according to the invention and the electrical device according to the invention are designed according to an expedient embodiment such that at least one of the plug contacts of the power cord allows redundant contact with its mating contact or that at least one of the plug contacts form a redundant plug contact mating contact system with its mating plug.
  • a further advantageous possibility to obtain a redundant plug contact mating contact system consists, according to an expedient embodiment of the electrical appliance according to the invention therein, at least one of the mating plug contacts both as a first contact surface on one of the surfaces and as a second contact surface on the other (opposite) surface form the printed circuit board. These are preferably largely congruent or congruent one above the other and form a pair of contact surfaces. In particular, it may be expedient if the first and second contact surfaces of each contact surface pair are electrically connected by means of one or more through-contacts extending through the printed circuit board.
  • this has a power cord connected to the second ends of the individual wires and / or has a housing which receives the plug contacts, in particular next to each other.
  • the housing may for example be encapsulated or latched and forms one end of the power cord according to the invention.
  • the other end optionally forms the power plug, which may be designed, for example, as a country-specific plug-in head (eg SchuKo).
  • the power supply line according to the invention may preferably, in particular integrally formed on its housing, guide means comprising, e.g. cooperate with on the housing for the printed circuit board and / or arranged on the housing of the electrical appliance counter-guide means, so that in particular the housing of the power cord can be arranged in a predetermined position, in particular on the housing of the electrical appliance.
  • the power cord according to the invention may according to an expedient variant, at least one, in particular integrally on their housing, integrally formed partial hinge, which cooperates, for example, with a particular integrally formed on the housing of the electrical appliance opposite hinge.
  • This embodiment also makes it possible, in a relatively simple manner, for the plug contacts to reliably contact the mating plug contacts assigned to them when connecting the power cord according to the invention.
  • the power cord according to the invention in particular allows direct contacting of the electric module of the electrical device according to the invention via a correspondingly shaped plug contact, which sits on the board in the edge region via resilient contact tongues or corresponding contacts.
  • a mains connection contact is created directly on a power module.
  • the contact can be designed so that a multi-redundant contact system is present. But it is also conceivable a system with only one contact point.
  • the board can be on both sides and with corresponding vias or one-sided. In the case of double-sided contact surface design, a correspondingly redundant system is also present here.
  • the contacts connected to individual wires are preferably accommodated in possibly provided housing side by side.
  • This housing may in particular be encapsulated or latched and then forms one end of the power cord.
  • the other side is e.g. formed by a country-specific plug-in head (e.g., Schuko).
  • the housing for receiving the contacts may preferably be provided with a corresponding detent, which preferably locks in the electronics housing or another adjacent part.
  • the power cord according to the invention or the electrical appliance according to the invention can have the advantage that the power cord can also be connected by an end user or in an assembly factory to the electrical appliance.
  • the power cord according to the invention can be supplied for example in the accessory pack.
  • FIGS. 1 5 each provided with the same reference numerals.
  • the Fig. 1 shows an electrical appliance 1 and the Fig. 2 shows a power cord 20 for the electrical appliances. 1
  • the power cord 20 comprises three electrically conductive plug contacts 2, 3, 4 (see FIG. 2 ), of which a plug contact 2 of the three plug contacts 2, 3, 4 in the Fig. 3 in a side view and the two plug contacts 2, 3 are shown in plan view.
  • the plug contacts 2, 3, 4 are provided to contact a printed circuit board 5.
  • the printed circuit board 5 is part of a electrical and / or electronic components equipped electronic assembly 6 of the electrical device. 1
  • the printed circuit board 5 has a contact surface pair with two contact surfaces for each of the plug contacts 2, 3, 4.
  • a first contact surface such as 7, 9 ( FIG. 4 ) on one of the two surfaces, in particular on the upper side 10, and the other, second contact surface 8 on the opposite surface, in particular underside 11 of the printed circuit board 5 are each arranged substantially congruent or respectively congruent to one another.
  • the one of the plug contacts 2, 3, 4 associated contact surfaces 7, 8, 9 are each electrically connected to extending through the printed circuit board 5 through holes 12.
  • the contact surfaces such as 7, 9 with arranged on the printed circuit board 5 interconnects such as 13, 14 are electrically connected and the contact surface pairs are arranged side by side on one of the edges of the printed circuit board 5.
  • Each of the three plug contacts 2, 3, 4 here preferably has a pair of resilient contact tongues, each comprising two slotted resilient contact tongues 15, 16.
  • the contact tongues 15, 16 of a pair are biased so that, when they are plugged onto the printed circuit board 5 in the region of the relevant contact surface pairs, against their respective upper side and lower side contact surface such. Press 7/8 or 9/8, so that the plug contacts 2, 3, 4 contact the printed circuit board 5.
  • the contact surfaces such as e.g. 7, 8, 9 to provide only one side on the top or bottom of the circuit board.
  • the contact tongues 15, 16 are slotted so that each contact tongue 15, 16 has two part contact tongues 15a, 15b separated by a slot 17, 18.
  • the power cord 20 also has three isolated individual wires, of which in the FIG. 4 For example, the individual wires 21, 22 are visible, and each comprising an electrical conductor such as 21a, 22a made of copper, which are surrounded by an insulation such as 21b, 22b.
  • the individual wires such as 21, 22 are stripped at both ends, so that the electrical conductors such as 21a, 22a on the one hand with a power plug 23 and on the other hand with contacts such as 24, 25 of the plug contacts such as 2, 3, 4 are electrically connected.
  • the electrical conductors such as 21 a, 22 a for example, with the contacts 24, 25 of the plug contacts 2, 3 crimped.
  • the power cord 20 in the case of the present embodiment further comprises a sheath 26, e.g. made of PVC, within which the three individual wires are routed and which extends to the power plug 23, and a housing 27 designed as an encapsulation which receives the three plug contacts 2, 3, 4 in such a way that they are arranged side by side and accessible from the outside.
  • the remote from the power plug 23 end of the casing 26 is partially encapsulated by the plug contacts 2, 3, 4 receiving housing 27, which is one of the ends of the power cord 20.
  • the power plug 23 represents the other end of the power cord 20 is on the plug contacts 2, 3, 4 surrounding housing 27 integrally a coding nose 28 and locking means 29 are integrally formed.
  • the housing 27 with the plug contacts 2, 3, 4 arranged therein thus forms part of a device connection coupling for connecting the power supply line 20 to the electrical device 1.
  • the power cord 20 is intended to be connected to the electrical appliance 1.
  • a device housing 30 having an opening 31, in the region of the electronic assembly 6 is attached.
  • the opening 31 is designed such that it can accommodate the plug contacts 2, 3, 4 receiving housing 27.
  • the opening 31 has a guide corresponding to the coding nose 28, e.g. in the form of a groove 32, so that the power cord 20 can be plugged with its housing 27 in a predetermined position in the opening 31. This ensures that the plug contacts 2, 3, 4 contact the respectively associated contact surfaces 7, 8, 9.
  • the counter-locking means 33 are integrally formed on a housing 34 of the electronic module 6 in particular or otherwise angeordent on the electrical device 1. It is also possible for the housing 34 of the electronic module 6 to have a guide corresponding to the coding nose 28, for example in the form of the groove 32.
  • the plug contacts 2, 3, 4 receiving housing 27 is designed as encapsulation. Other embodiments are also conceivable. Thus, such a housing 27 may also be locked.
  • the Fig. 5 shows another power cord 50. Unless otherwise described below, then components of the Fig. 2 shown power cord 20, which with components of in the Fig. 5 shown power cord 50 are substantially functionally or structurally identical, provided with the same reference numerals.
  • the in the Fig. 5 Power supply line 50 shown differs essentially from that in the Fig. 2 shown power supply line 20 characterized in that its housing 27 instead of the coding nose 28 on the housing 27 in particular integrally molded partial hinge 52 which cooperates with a in the opening 31 of the device housing 30 in particular integrally molded part hinge 53 together so that the housing 27 of the power cord 50 in the opening 31 of the device housing 30 can be pivoted with one-sided pivot point to press against the edge of the printed circuit board 5 for contacting the contact surfaces 7, 8, 9.

Description

Die Erfindung betrifft ein Netzanschlusssystem, mit einer Netzanschlussleitung und ein Elektrogerät.The invention relates to a network connection system, with a power cord and an electrical appliance.

Eine Netzanschlussleitung, mit der ein Elektrogerät an ein Stromnetz angeschlossen werden kann, umfasst in der Regel mehrere isolierte Einzeladern, die jeweils elektrische Leiter und die elektrischen Leiter umhüllende Isolierungen aufweisen. Eines der Enden der Einzeladern bzw. deren elektrische Leiter sind mit einem Netzstecker verbunden und die anderen Enden der Einzeladern kontaktieren das Elektrogerät bzw. eine elektronischen Baugruppe (Leistungsmodul) des Elektrogerätes.A power cord, which can be connected to a power supply to an electrical appliance, usually includes several isolated individual wires, each having electrical conductors and the electrical conductors enclosing insulation. One of the ends of the individual wires or their electrical conductors are connected to a power plug and the other ends of the individual wires contact the electrical appliance or an electronic module (power module) of the electrical appliance.

Aus der DE 10 2005 040 241 A1 ist eine Netzleitung bekannt, die fest mit geräteseitigen Gegenkontakten verbunden ist. Eine werkzeugfreie Lösbarkeit soll verhindert werden. Eine Möglichkeit, dass Kunden selbst an die Steckverbindung Hand anlegen, ist nicht offenbart. Dabei ist zum Abfangen der mechanischen Kräfte eine Schwallschürze vorgesehen, die sich am Gehäuse abstützen kann. Diese ist jedoch Teil des der Platine zugeordneten Gegenstücks der Steckverbindung und erfordert einen mechanisch stabilen Teil der Steckvebindung auf der Platine.From the DE 10 2005 040 241 A1 a power line is known, which is firmly connected to the device-side mating contacts. A tool-free solvability should be prevented. One possibility that customers even hand on the connector hand, is not disclosed. In this case, a surge apron is provided to catch the mechanical forces, which can be supported on the housing. However, this is part of the board associated counterpart of the connector and requires a mechanically stable part of the connector on the board.

Die US 2004/0114338 lehrt, das platinenseitige Gegenstück wegzulassen. Damit entfällt jedoch die Abstützmöglichkeit am Gehäuse. Die volle mechanische Krafteinleitung erfolgt dann direkt in die elektrisch kontaktierende Platine, die im Bereich der schmalen, laschenartig vorstehenden Kontakte zudem mechanisch besonders geschwächt ist. Die Gefahr, daß bei mechanischer Kraft auf die Steckverbindung entweder diese Kontakte ausreißen oder gar die Platine bricht, ist sehr hoch.The US 2004/0114338 teaches to omit the board-side counterpart. However, this eliminates the Abstützmöglichkeit on the housing. The full mechanical introduction of force then takes place directly into the electrically contacting board, which is also mechanically weaker in the area of the narrow, tab-like protruding contacts. The danger that when mechanical force on the connector either tear these contacts or even breaks the board is very high.

DE-A1-102005040241 offenbart ein Netzanschlusssystem nach dem Oberbegriff des Anspruchs 1. Aufgabe der Erfindung ist es, ein Netzanschlusssystem mit einer Netzanschlussleitung anzugeben, die einen leichteren Anschluss an ein Elektrogerät erlaubt. DE-A1-102005040241 discloses a network connection system according to the preamble of claim 1. The object of the invention is to provide a network connection system with a power cord, which allows easier connection to an electrical appliance.

Eine weitere Aufgabe der Erfindung ist es, ein Elektrogerät anzugeben, dessen Netzanschlussleitung leichter anschließbar ist.Another object of the invention is to provide an electrical appliance whose power supply line is easier to connect.

Die Aufgabe der Erfindung wird gelöst durch ein Netzanschlusssystem mit einer Netzanschlussleitung hiefür mit den Merkmalen des Anspruchs 1 und durch ein Elektrogerät mit den Merkmalen des Anspruchs 9.The object of the invention is achieved by a network connection system with a mains connection cable therefor with the features of claim 1 and by an electrical appliance having the features of claim 9.

Gemäß der Erfindung weist die Netzanschlussleitung demnach die mehreren Einzeladern auf, die beispielsweise jeweils isoliert und innerhalb einer Ummantelung geführt sind. Die Einzeladern haben zwei Enden, von denen die ersten Enden mit den Steckkontakten elektrisch verbunden sind. Die Steckkontakte sind eingerichtet, die insbesondere mit elektrischen und/oder elektronischen Bauteilen bestückte Leiterplatine elektrisch zu kontaktieren, indem sie direkt auf die Leiterplatine in deren Randbereich gesteckt werden können. Die Netzanschlussleitung weist bevorzugt, insbesondere an ihrem Gehäuse, Befestigungsmittel auf, die eingerichtet sind, insbesondere mit an einem Gehäuse für die Leiterplatine und/oder an einem Gehäuse des die Leiterplatine umfassenden Elektrogerätes angeordneten Gegenbefestigungsmitteln zusammenzuwirken. Dadurch ergibt sich ein verbesserter Halt der erfindungsgemäßen Netzanschlussleitung am Elektrogerät. Die Befestigungsmittel sind beispielsweise vorzugsweise als Rastmittel ausgebildet, die mit als Gegenrastmittel ausgebildeten Gegenbefestigungsmitteln im aufgesteckten Zustand der Netzanschlussleitung verrasten. Dadurch ergeben sich Vorraussetzungen für einen relativ einfachen Anschluss der erfindungsgemäßen Netzleitung an das Elektrogerät.According to the invention, the power supply line accordingly has the plurality of individual wires, which are insulated, for example, in each case and guided within a casing. The individual wires have two ends, of which the first ends are electrically connected to the plug contacts. The plug contacts are set up to contact the printed circuit board, which is in particular equipped with electrical and / or electronic components, in that they can be plugged directly onto the printed circuit board in its edge region. The power cord preferably has, in particular on its housing, fastening means which are set up, in particular cooperating with counter-fastening means arranged on a housing for the printed circuit board and / or on a housing of the electrical appliance comprising the printed circuit board. This results in an improved hold of the power cord according to the invention on the electrical appliance. By way of example, the fastening means are preferably designed as latching means which latch in the plugged state of the mains connection line with counter-fastening means designed as counter-latching means. This results in conditions for a relatively simple connection of the power line according to the invention to the electrical appliance.

Nach einer zweckmäßigen Ausführungsform des erfindungsgemäßen Netzanschlusssystems weist bevorzugt wenigstens ein Steckkontakt wenigstens eine federnde Kontaktzunge auf, die eingerichtet ist, im auf der Leiterplatine aufgesteckten Zustand des Steckkontakts für das elektrische Kontaktieren gegen den relevanten Gegensteckkontakt zu drücken. Die federnde Kontaktzunge schafft unter anderem nicht nur Vorraussetzungen für eine relativ gute elektrische Verbindung zwischen dem relevanten Steckkontakt und dem relevanten Gegensteckkontakt, sondern bildet auch eine Befestigung der Netzanschlussleitung an der Leiterplatine und demnach gegebenenfalls am erfindungsgemäßen Elektrogerät. Vorzugsweise weisen alle Steckkontakte wenigstens eine federnde Kontaktzunge auf.According to an expedient embodiment of the network connection system according to the invention, at least one plug contact preferably has at least one resilient contact tongue which is set up to press against the relevant mating plug contact in the plugged-on state of the plug contact for electrical contacting. The resilient contact tongue provides, inter alia, not only conditions for a relatively good electrical connection between the relevant plug contact and the relevant mating contact, but also forms a fastening of the power cord to the printed circuit board and therefore optionally on the electric appliance according to the invention. Preferably, all the plug contacts have at least one resilient contact tongue.

Es ist aber auch möglich, dass wenigstens ein Steckkontakt ein Paar federnde Kontaktzungen aufweist, die im aufgesteckten Zustand der Netzanschlussleitung gegeneinander drücken. Vorzugsweise weisen alle Steckkontakte jeweils ein Paar gegeneinander drückende federnde Kontaktzungen auf.But it is also possible that at least one plug contact has a pair of resilient contact tongues, which in the plugged state of the power cord press against each other. Preferably, all the plug contacts each have a pair of mutually pressing resilient contact tongues.

Wenigstens einer der Gegensteckkontakte der Leiterplatine kann vorzugsweise als eine auf einer der Oberflächen der Leiterplatine angeordnete Kontaktfläche ausgebildet sein. Die Kontaktfläche ist beispielsweise Teil einer elektrischen Leiterbahn der Leiterplatine. Z.B. kann die jeweilige Kontaktfläche nur auf der Oberseite oder nur auf der Unterseite der Leiterplatine vorgesehen sein.At least one of the mating plug contacts of the printed circuit board may preferably be formed as a contact surface arranged on one of the surfaces of the printed circuit board. The contact surface is for example part of an electrical trace of the printed circuit board. For example, For example, the respective contact surface can be provided only on the upper side or only on the underside of the printed circuit board.

Die erfindungsgemäße Netzanschlussleitung bzw. das erfindungsgemäße Elektrogerät sind nach einer zweckmäßigen Ausführungsform derart ausgeführt, dass wenigstens einer der Steckkontakte der Netzanschlussleitung ein redundantes Kontaktieren mit seinem Gegensteckkontakt ermöglicht bzw. dass wenigstens eines der Steckkontakte mit seinem Gegensteckkontakt ein redundantes Steckkontakt-Gegensteckkontakt System bilden.The power cord according to the invention and the electrical device according to the invention are designed according to an expedient embodiment such that at least one of the plug contacts of the power cord allows redundant contact with its mating contact or that at least one of the plug contacts form a redundant plug contact mating contact system with its mating plug.

Dies kann z.B. gemäß einer vorteilhaften Variante der erfindungsgemäßen Netzanschlussleitung erreicht werden, indem wenigstens eine der federnden Kontaktzungen wenigstens zwei durch einen Schlitz getrennte Teilkontaktzungen aufweist.This can e.g. can be achieved according to an advantageous variant of the power cord according to the invention by at least one of the resilient contact tongues having at least two separated by a slot part contact tongues.

Eine weitere vorteilhafte Möglichkeit, ein redundantes Steckkontakt-Gegensteckkontakt System zu erhalten, besteht nach einer zweckmäßigen Ausführungsform des erfindungsgemäßen Elektrogeräts darin, wenigstens eine der Gegensteckkontakte sowohl als eine erste Kontaktfläche auf einer der Oberflächen als auch als eine zweite Kontaktfläche auf der anderen (gegenüberliegenden) Oberfläche der Leiterplatine auszubilden. Diese liegen vorzugsweise weitgehend deckungsgleich bzw. kongruent übereinander und bilden ein Kontaktflächenpaar. Insbesondere kann es zweckmäßig sein, wenn die erste und zweite Kontaktfläche jedes Kontaktflächenpaares mittels einer oder mehrerer durch die Leiterplatine verlaufende Durchkontaktierungen elektrisch verbunden sind.A further advantageous possibility to obtain a redundant plug contact mating contact system consists, according to an expedient embodiment of the electrical appliance according to the invention therein, at least one of the mating plug contacts both as a first contact surface on one of the surfaces and as a second contact surface on the other (opposite) surface form the printed circuit board. These are preferably largely congruent or congruent one above the other and form a pair of contact surfaces. In particular, it may be expedient if the first and second contact surfaces of each contact surface pair are electrically connected by means of one or more through-contacts extending through the printed circuit board.

Nach weiteren zweckmäßigen Varianten der erfindungsgemäßen Netzanschlussleitung weist diese einen mit zweiten Enden der Einzeladern elektrisch verbundenen Netzstecker auf und/oder weist diese ein Gehäuse auf, das die Steckkontakte, insbesondere nebeneinander, aufnimmt. Das Gehäuse kann z.B. umspritzt oder verrastet sein und bildet ein Ende der erfindungsgemäßen Netzanschlussleitung. Das andere Ende bildet gegebenenfalls der Netzstecker, der beispielsweise als länderspezifischer Steckkopf ausgeführt sein kann (z.B. SchuKo).According to further expedient variants of the power cord according to the invention, this has a power cord connected to the second ends of the individual wires and / or has a housing which receives the plug contacts, in particular next to each other. The housing may for example be encapsulated or latched and forms one end of the power cord according to the invention. The other end optionally forms the power plug, which may be designed, for example, as a country-specific plug-in head (eg SchuKo).

Die erfindungsgemäße Netzanschlussleitung kann vorzugsweise, insbesondere an ihr Gehäuse einstückig angeformte, Führungsmittel aufweisen, die z.B. mit am Gehäuse für die Leiterplatine und/oder mit am Gehäuse des Elektrogerätes angeordneten Gegenführungsmitteln zusammenwirken, damit insbesondere das Gehäuse der Netzanschlussleitung in einer vorgegebenen Position insbesondere am Gehäuse des Elektrogerätes anordbar ist. Dadurch ist es in relativ einfacher Weise möglich, dass die Steckkontakte die ihnen zugeordneten Gegensteckkontakte beim Anschluss der erfindungsgemäßen Netzleitung zuverlässig kontaktieren.The power supply line according to the invention may preferably, in particular integrally formed on its housing, guide means comprising, e.g. cooperate with on the housing for the printed circuit board and / or arranged on the housing of the electrical appliance counter-guide means, so that in particular the housing of the power cord can be arranged in a predetermined position, in particular on the housing of the electrical appliance. This makes it possible in a relatively simple manner that the plug contacts reliably contact their mating plug contacts when connecting the power line according to the invention.

Die erfindungsgemäße Netzanschlussleitung kann nach einer zweckmäßigen Variante auch wenigstens ein, insbesondere an ihrem Gehäuse einstückig, angeformtes Teilscharnier aufweisen, das beispielsweise mit einem am Gehäuse des Elektrogerätes insbesondere einstückig angeformten Gegenteilscharnier zusammenwirkt. Auch diese Ausführungsform ermöglicht in relativ einfacher Weise, dass die Steckkontakte die ihnen zugeordneten Gegensteckkontakte beim Anschluss der erfindungsgemäßen Netzanschlussleitung zuverlässig kontaktieren.The power cord according to the invention may according to an expedient variant, at least one, in particular integrally on their housing, integrally formed partial hinge, which cooperates, for example, with a particular integrally formed on the housing of the electrical appliance opposite hinge. This embodiment also makes it possible, in a relatively simple manner, for the plug contacts to reliably contact the mating plug contacts assigned to them when connecting the power cord according to the invention.

Die erfindungsgemäße Netzanschlussleitung erlaubt insbesondere eine Direktkontaktierung des Elektromoduls des erfindungsgemäßen Elektrogerätes über einen entsprechend ausgeformten Steckkontakt, der über federnde Kontaktzungen oder entsprechende Kontakte direkt auf der Platine im Randbereich sitzt. Es wird somit gegebenenfalls eine Netzanschlusskontaktierung direkt auf einem Leistungsmodul geschaffen.The power cord according to the invention in particular allows direct contacting of the electric module of the electrical device according to the invention via a correspondingly shaped plug contact, which sits on the board in the edge region via resilient contact tongues or corresponding contacts. Thus, if necessary, a mains connection contact is created directly on a power module.

Der Kontakt kann so ausgeführt sein, dass ein mehrfach redundantes Kontaktsystem vorliegt. Vorstellbar ist aber auch ein System mit nur einer Kontaktstelle.The contact can be designed so that a multi-redundant contact system is present. But it is also conceivable a system with only one contact point.

Die Platine kann beidseitig und mit entsprechenden Durchkontaktierungen oder einseitig sein. Bei beidseitiger Kontaktflächenausführung liegt auch hier ein entsprechend redundantes System vor.The board can be on both sides and with corresponding vias or one-sided. In the case of double-sided contact surface design, a correspondingly redundant system is also present here.

Die mit Einzeladern verbundenen Kontakte sind vorzugsweise im eventuell vorgesehenen Gehäuse nebeneinander aufgenommen. Dieses Gehäuse kann insbesondere umspritzt oder verrastet sein und bildet dann ein Ende der Netzanschlussleitung. Die andere Seite wird z.B. durch einen länderspezifischen Steckkopf (z.B. Schuko) gebildet.The contacts connected to individual wires are preferably accommodated in possibly provided housing side by side. This housing may in particular be encapsulated or latched and then forms one end of the power cord. The other side is e.g. formed by a country-specific plug-in head (e.g., Schuko).

Das Gehäuse für die Aufnahme der Kontakte (Geräteanschlusskupplung) kann vorzugsweise mit einer entsprechenden Rastung versehen sein, die bevorzugt im Elektronikgehäuse oder einem anderen anliegenden Teil verrastet.The housing for receiving the contacts (device connection coupling) may preferably be provided with a corresponding detent, which preferably locks in the electronics housing or another adjacent part.

Die erfindungsgemäße Netzanschlussleitung bzw. das erfindungsgemäße Elektrogerät können den Vorteil haben, dass die Netzanschlussleitung auch von einem Endkunden oder auch in einer Montagefabrik an das Elektrogerät angeschlossen werden kann. Die erfindungsgemäße Netzanschlussleitung kann beispielsweise im Beipack mitgeliefert werden.The power cord according to the invention or the electrical appliance according to the invention can have the advantage that the power cord can also be connected by an end user or in an assembly factory to the electrical appliance. The power cord according to the invention can be supplied for example in the accessory pack.

Für die Montage der Geräteanschlusskupplung können u.A. folgende Lösungen zweckmäßig sein:

  • Lineare Direktsteckung mit und ohne Rastung oder einschwenkende Montage mit einseitigem Drehpunkt mit und ohne Rastung.
For the installation of the device connection coupling, the following solutions may be appropriate:
  • Linear direct insertion with and without detent or swivel mounting with single-sided pivot with and without detent.

Weitere Vorteile können sein:

  • Es ergibt sich ein relativ kostengünstiges Netzanschlusssystem (Entfall eines Zusatzteils auf der Elektronik (Steckwanne) oder Entfall einer Geräteanschlussbuchse),
  • qualitativer Vorteil über ein gegebenenfalls redundant ausgelegtes Kontaktsystem und Entfall von Lötstellen/ Kotaktstellen im Hochstrom führenden Stromkreis,
  • keine Krafteinwirkung auf Lötstellen (Qualitätsvorteil),
  • Bildung von Ländervarianten über Beipack.
Further advantages can be:
  • The result is a relatively inexpensive network connection system (elimination of an additional part on the electronics (plug-in tub) or omission of a device connection socket),
  • qualitative advantage over an optionally redundant designed contact system and elimination of solder joints / Kotaktstellen in the high current leading circuit,
  • no force on solder joints (quality advantage),
  • Formation of country variants via accessory pack.

Für den Anschluss der Netzanschlussleitung (Geräteanschlusskupplung) können beispielsweise folgende Lösungen zweckmäßig sein:

  • lineare Direktsteckung mit und ohne Rastung,
  • einschwenkende Montage mit einseitigem Drehpunkt mit und ohne Rastung.
For example, the following solutions may be appropriate for the connection of the mains connection cable (device connection coupling):
  • linear direct insertion with and without detent,
  • pivoting mounting with one-sided pivot with and without detent.

Sonstige Weiterbildungen der Erfindung sind in den Unteransprüchen wiedergegeben.Other developments of the invention are given in the dependent claims.

Die Erfindung und ihre Weiterbildungen werden nachfolgend anhand von Zeichnungen näher erläutert. Es zeigen jeweils schematisch:

Figur 1
ein vorteilhaftes Ausführungsbeispiel eines erfindungsgemäß konstruierten Elektrogeräts,
Figur 2
eine vorteilhafte Netzanschlussleitung für das Elektrogerät von Figur 1,
Figuren 3 und 4
Detailansichten des Anschlusses der Netzanschlussleitung von Figur 2 an das Elektrogerät von Figur 1, und
Figur 5
eine weitere Netzanschlussleitung, die gegenüber der Netzanschlussleitung von Figur 2 abgewandelt ist.
The invention and its developments are explained in more detail with reference to drawings. Each show schematically:
FIG. 1
an advantageous embodiment of an inventive constructed electrical appliance,
FIG. 2
an advantageous power cord for the electrical appliance of FIG. 1 .
FIGS. 3 and 4
Detailed views of the connection of the power cord of FIG. 2 to the electrical appliance of FIG. 1 , and
FIG. 5
another power cord, which is opposite the power cord of FIG. 2 modified.

Elemente mit gleicher Funktion und Wirkungsweise sind in den Figuren 1 mit 5 jeweils mit denselben Bezugszeichen versehen.Elements with the same function and mode of action are in the FIGS. 1 5 each provided with the same reference numerals.

Die Fig. 1 zeigt ein Elektrogerät 1 und die Fig. 2 zeigt eine Netzanschlussleitung 20 für das Elektrogeräte 1.The Fig. 1 shows an electrical appliance 1 and the Fig. 2 shows a power cord 20 for the electrical appliances. 1

Im Falle des vorliegenden Ausführungsbeispiels umfasst die Netzanschlussleitung 20 drei elektrisch leitende Steckkontakte 2, 3, 4 (siehe Figur 2), von denen ein Steckkontakt 2 der drei Steckkontakte 2, 3, 4 in der Fig. 3 in einer Seitenansicht und die beiden Steckkontakte 2, 3 in Draufsicht dargestellt sind. Die Steckkontakte 2, 3, 4 sind vorgesehen, eine Leiterplatine 5 zu kontaktieren. Die Leiterplatine 5 ist Teil einer mit elektrischen und/oder elektronischen Bauteilen bestückten elektronischen Baugruppe 6 des Elektrogerätes 1.In the case of the present embodiment, the power cord 20 comprises three electrically conductive plug contacts 2, 3, 4 (see FIG. 2 ), of which a plug contact 2 of the three plug contacts 2, 3, 4 in the Fig. 3 in a side view and the two plug contacts 2, 3 are shown in plan view. The plug contacts 2, 3, 4 are provided to contact a printed circuit board 5. The printed circuit board 5 is part of a electrical and / or electronic components equipped electronic assembly 6 of the electrical device. 1

Die Leiterplatine 5 weist für jeden der Steckkontakte 2, 3, 4 ein Kontaktflächenpaar mit zwei Kontaktflächen auf. Dabei sind jeweils eine erste Kontaktfläche wie z.B. 7, 9 (Figur 4) auf einer der beiden Oberflächen, insbesondere auf der Oberseite 10, und die andere, zweite Kontaktfläche 8 auf der gegenüberliegenden Oberfläche, insbesondere Unterseite 11 der Leiterplatine 5 jeweils im Wesentlichen deckungsgleich bzw. ortskongruent zueinander angeordnet. Die einem bestimmten der Steckkontakte 2, 3, 4 zugeordneten Kontaktflächen 7, 8, 9 sind jeweils mit durch die Leiterplatine 5 verlaufenden Durchkontaktierungen 12 elektrisch verbunden. Ferner sind die Kontaktflächen wie z.B. 7, 9 mit auf der Leiterplatine 5 angeordneten Leiterbahnen wie z.B. 13, 14 elektrisch verbunden und die Kontaktflächenpaare sind nebeneinander an einem der Ränder der Leiterplatine 5 angeordnet.The printed circuit board 5 has a contact surface pair with two contact surfaces for each of the plug contacts 2, 3, 4. In each case, a first contact surface such as 7, 9 ( FIG. 4 ) on one of the two surfaces, in particular on the upper side 10, and the other, second contact surface 8 on the opposite surface, in particular underside 11 of the printed circuit board 5 are each arranged substantially congruent or respectively congruent to one another. The one of the plug contacts 2, 3, 4 associated contact surfaces 7, 8, 9 are each electrically connected to extending through the printed circuit board 5 through holes 12. Further, the contact surfaces such as 7, 9 with arranged on the printed circuit board 5 interconnects such as 13, 14 are electrically connected and the contact surface pairs are arranged side by side on one of the edges of the printed circuit board 5.

Jede der drei Steckkontakte 2, 3, 4 weist hier vorzugsweise ein Paar federnde Kontaktzungen auf, die jeweils zwei geschlitzte federnde Kontaktzungen 15, 16 umfassen. Die Kontaktzungen 15, 16 eines Paars sind derart vorgespannt, dass sie, wenn sie auf die Leiterplatine 5 im Bereich der relevanten Kontaktflächenpaare aufgesteckt sind, gegen deren jeweilige oberseitige und unterseitige Kontaktfläche wie z.B. 7/8 oder 9/8 drücken, so dass die Steckkontakte 2, 3, 4 die Leiterplatine 5 kontaktieren.Each of the three plug contacts 2, 3, 4 here preferably has a pair of resilient contact tongues, each comprising two slotted resilient contact tongues 15, 16. The contact tongues 15, 16 of a pair are biased so that, when they are plugged onto the printed circuit board 5 in the region of the relevant contact surface pairs, against their respective upper side and lower side contact surface such. Press 7/8 or 9/8, so that the plug contacts 2, 3, 4 contact the printed circuit board 5.

Ggf. kann es auch ausreichend sein, die Kontaktflächen wie z.B. 7, 8, 9 nur einseitig auf der Oberseite oder Unterseite der Leiterplatte vorzusehen.Possibly. it may also be sufficient to use the contact surfaces such as e.g. 7, 8, 9 to provide only one side on the top or bottom of the circuit board.

Im Falle des vorliegenden Ausführungsbeispiels sind die Kontaktzungen 15, 16 geschlitzt, so dass jede Kontaktzunge 15, 16 zwei durch einen Schlitz 17, 18 getrennte Teilkontaktzungen 15a, 15b aufweisen.In the case of the present exemplary embodiment, the contact tongues 15, 16 are slotted so that each contact tongue 15, 16 has two part contact tongues 15a, 15b separated by a slot 17, 18.

Die Netzanschlussleitung 20 weist ferner drei isolierte Einzeladern auf, von denen in der Figur 4 z.B. die Einzeladern 21, 22 sichtbar sind, und die jeweils einen elektrischen Leiter wie z.B. 21a, 22a aus Kupfer umfassen, die von einer Isolierung wie z.B. 21b, 22b umgeben sind. Die Einzeladern wie z.B. 21, 22 sind an ihren beiden Enden abisoliert, so dass die elektrischen Leiter wie z.B. 21a, 22a einerseits mit einem Netzstecker 23 und andererseits mit Kontaktierungen wie z.B. 24, 25 der Steckkontakte wie z.B. 2, 3, 4 elektrisch verbunden sind. Die elektrischen Leiter wie z.B. 21 a, 22a sind beispielsweise mit den Kontaktierungen 24, 25 der Steckkontakte 2, 3 vercrimpt.The power cord 20 also has three isolated individual wires, of which in the FIG. 4 For example, the individual wires 21, 22 are visible, and each comprising an electrical conductor such as 21a, 22a made of copper, which are surrounded by an insulation such as 21b, 22b. The individual wires such as 21, 22 are stripped at both ends, so that the electrical conductors such as 21a, 22a on the one hand with a power plug 23 and on the other hand with contacts such as 24, 25 of the plug contacts such as 2, 3, 4 are electrically connected. The electrical conductors such as 21 a, 22 a, for example, with the contacts 24, 25 of the plug contacts 2, 3 crimped.

Die Netzanschlussleitung 20 umfasst im Falle des vorliegenden Ausführungsbeispiels ferner eine Ummantelung 26 z.B. aus PVC, innerhalb der die drei Einzeladern geführt sind und die bis zum Netzstecker 23 reicht, und ein als Umspritzung ausgeführtes Gehäuse 27, das die drei Steckkontakte 2, 3, 4 derart aufnimmt, dass diese nebeneinander angeordnet und von außen zugänglich sind. Das vom Netzstecker 23 abgewandte Ende der Ummantelung 26 ist teilweise von dem die Steckkontakte 2, 3, 4 aufnehmenden Gehäuse 27 umspritzt, das eines der Enden der Netzanschlussleitung 20 darstellt. Der Netzstecker 23 stellt das andere Ende der Netzanschlussleitung 20 dar. An dem die Steckkontakte 2, 3, 4 umgebenden Gehäuse 27 sind ferner einstückig eine Codiernase 28 und Rastmittel 29 angeformt. Das Gehäuse 27 mit den darin angeordneten Steckkontakten 2, 3, 4 stellt somit einen Teil einer Geräteanschlusskupplung zum Anschluss der Netzanschlussleitung 20 an das Elektrogerät 1 dar.The power cord 20 in the case of the present embodiment further comprises a sheath 26, e.g. made of PVC, within which the three individual wires are routed and which extends to the power plug 23, and a housing 27 designed as an encapsulation which receives the three plug contacts 2, 3, 4 in such a way that they are arranged side by side and accessible from the outside. The remote from the power plug 23 end of the casing 26 is partially encapsulated by the plug contacts 2, 3, 4 receiving housing 27, which is one of the ends of the power cord 20. The power plug 23 represents the other end of the power cord 20 is on the plug contacts 2, 3, 4 surrounding housing 27 integrally a coding nose 28 and locking means 29 are integrally formed. The housing 27 with the plug contacts 2, 3, 4 arranged therein thus forms part of a device connection coupling for connecting the power supply line 20 to the electrical device 1.

Wie bereits erwähnt, ist die Netzanschlussleitung 20 vorgesehen, am Elektrogerät 1 angeschlossen zu werden. Dieses umfasst im Falle des vorliegenden Ausführungsbeispiels ein Gerätegehäuse 30 mit einer Öffnung 31, in deren Bereich die elektronische Baugruppe 6 befestigt ist. Die Öffnung 31 ist derart ausgeführt, dass diese das die Steckkontakte 2, 3, 4 aufnehmende Gehäuse 27 aufnehmen kann. Ferner weist die Öffnung 31 eine der Codiernase 28 entsprechende Führung z.B. in Form einer Nut 32 auf, so dass die Netzanschlussleitung 20 mit ihrem Gehäuse 27 in eine vorgegebene Position in die Öffnung 31 gesteckt werden kann. Dies stellt sicher, dass die Steckkontakte 2, 3, 4 die jeweils ihnen zugeordneten Kontaktflächen 7, 8, 9 kontaktieren.As already mentioned, the power cord 20 is intended to be connected to the electrical appliance 1. This includes in the case of the present embodiment, a device housing 30 having an opening 31, in the region of the electronic assembly 6 is attached. The opening 31 is designed such that it can accommodate the plug contacts 2, 3, 4 receiving housing 27. Furthermore, the opening 31 has a guide corresponding to the coding nose 28, e.g. in the form of a groove 32, so that the power cord 20 can be plugged with its housing 27 in a predetermined position in the opening 31. This ensures that the plug contacts 2, 3, 4 contact the respectively associated contact surfaces 7, 8, 9.

Am Gerätegehäuse 30 sind ferner den Rastmitteln 29 des die Steckkontakte 2, 3, 4 aufnehmenden Gehäuses 27 entsprechende Gegenrastmittel 33 angeformt, die mit den Rastmitteln 29 des Gehäuses 27 verrasten, wenn dieses derart in die Öffnung 31 des Grätegehäuses 30 hineingesteckt ist, so dass die Kontaktzungen 15, 16 ihre Kontaktflächen 7, 8, 9 wie vorgesehen kontaktieren. Es ist aber auch möglich, dass die Gegenrastmittel 33 an einem Gehäuse 34 der elektronischen Baugruppe 6 insbesondere einstückig angeformt sind oder anderweitig am Elektrogerät 1 angeordent sind. Es ist auch möglich, dass das Gehäuse 34 der elektronischen Baugruppe 6 eine der Codiernase 28 entsprechende Führung z.B. in Form der Nut 32 aufweist.On the device housing 30 further locking means 29 of the plug contacts 2, 3, 4 receiving housing 27 corresponding counter-locking means 33 are formed, which engage with the latching means 29 of the housing 27 when it is inserted into the opening 31 of the bone housing 30 so that the Contact tongues 15, 16 contact their contact surfaces 7, 8, 9 as intended. But it is also possible that the counter-locking means 33 are integrally formed on a housing 34 of the electronic module 6 in particular or otherwise angeordent on the electrical device 1. It is It is also possible for the housing 34 of the electronic module 6 to have a guide corresponding to the coding nose 28, for example in the form of the groove 32.

Im Falle des beschriebenen Ausführungsbeispiels ist das die Steckkontakte 2, 3, 4 aufnehmende Gehäuse 27 als Umspritzung ausgeführt. Andere Ausführungsformen sind ebenfalls denkbar. So kann ein solches Gehäuse 27 auch verrastet sein.In the case of the described embodiment, the plug contacts 2, 3, 4 receiving housing 27 is designed as encapsulation. Other embodiments are also conceivable. Thus, such a housing 27 may also be locked.

Die Fig. 5 zeigt eine weitere Netzanschlussleitung 50. Wenn folgend nicht anders beschrieben, dann sind Bestandteile der in der Fig. 2 gezeigten Netzanschlussleitung 20, die mit Bestandteilen der in der Fig. 5 gezeigten Netzanschlussleitung 50 im Wesentlichen funktions- oder baugleich sind, mit denselben Bezugszeichen versehen.The Fig. 5 shows another power cord 50. Unless otherwise described below, then components of the Fig. 2 shown power cord 20, which with components of in the Fig. 5 shown power cord 50 are substantially functionally or structurally identical, provided with the same reference numerals.

Die in der Fig. 5 gezeigte Netzanschlussleitung 50 unterscheidet sich im Wesentlichen von der in der Fig. 2 gezeigten Netzanschlussleitung 20 dadurch, dass ihr Gehäuse 27 anstelle der Codiernase 28 ein am Gehäuse 27 insbesondere einstückig angeformtes Teilscharnier 52 aufweist, das mit einem im Bereich der Öffnung 31 des Gerätegehäuses 30 insbesondere einstückig angeformtes Teilscharnier 53 zusammen wirkt, so dass das Gehäuse 27 der Netzanschlussleitung 50 in die Öffnung 31 des Gerätegehäuses 30 mit einseitigem Drehpunkt eingeschwenkt werden kann, um gegen den Rand der Leiterplatine 5 zum Kontaktieren der Kontaktflächen 7, 8, 9 zu drücken.The in the Fig. 5 Power supply line 50 shown differs essentially from that in the Fig. 2 shown power supply line 20 characterized in that its housing 27 instead of the coding nose 28 on the housing 27 in particular integrally molded partial hinge 52 which cooperates with a in the opening 31 of the device housing 30 in particular integrally molded part hinge 53 together so that the housing 27 of the power cord 50 in the opening 31 of the device housing 30 can be pivoted with one-sided pivot point to press against the edge of the printed circuit board 5 for contacting the contact surfaces 7, 8, 9.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Elektrogerätelectrical appliance
2, 3, 42, 3, 4
Steckkontaktplug contact
55
Leiterplatineprinted circuit board
66
Baugruppemodule
7, 8, 97, 8, 9
Kontaktflächecontact area
10, 1110, 11
Oberflächesurface
1212
Durchkontaktierungenvias
13, 1413, 14
LeitebahnLeite train
15, 1615, 16
Kontaktzungecontact tongue
15a, 15b15a, 15b
TeilkontaktzungePart contact tongue
17, 1817, 18
Schlitzslot
2020
NetzanschlussleitungPower cord
21, 2221, 22
EinzeladerSingle Core
21a, 22a21a, 22a
elektrischen Leiterelectrical conductor
21b, 22b21b, 22b
Isolierunginsulation
2323
Netzsteckerpower plug
24, 2524, 25
Kontaktierungcontact
2626
Ummantelungjacket
2727
Gehäusecasing
2828
CodiernaseCoding pin
2929
Rastmittellatching means
3030
Gerätegehäusedevice housing
3131
Öffnungopening
3232
Nutgroove
3333
GegenrastmittelSecuring means
3434
Gehäusecasing
5050
NetzanschlussleitungPower cord
52, 5352, 53
Teilscharnierpart hinge

Claims (12)

  1. Mains connection system having a device housing (30) comprising a printed circuit board (5) as part of an electronic assembly (6) and/or having a housing (34) for the printed circuit board (5) and having a mains connection cable, having a plurality of single conductors (21, 22) and plug contacts (2, 3, 4) electrically connected to a first end of the single conductors (21, 22), wherein on the mains connection cable (20) attachment means, in particular latching means (29), are arranged to interact with counter-attachment means, in particular counter-latching means (33), disposed in particular on the housing (34) for the printed circuit board (5) and/or on the housing (30) of an electrical device (1) comprising the printed circuit board (5),
    characterised in that
    the plug contacts are disposed so as to be directly plugged into an edge region of a populated printed circuit board (5), wherein the printed circuit board (5) has mating plug contacts (7, 8, 9) associated with the plug contacts (2, 3, 4) in the edge region which electrically contact the plug contacts (21, 22) in the plugged-in state, wherein at least one of the mating plug contacts is configured as a contact area (7, 9) disposed on one of the surfaces (10) of the printed circuit board (5).
  2. Mains connection system according to claim 1, in which at least one of the plug contacts (2, 3, 4) is embodied such that it permits redundant contacting with its mating plug contact (7, 8, 9).
  3. Mains connection system according to claim 1 or 2, in which at least one of the plug contacts (2, 3, 4) comprises at least one spring-loaded contact blade (15, 16), which is arranged to press against the relevant mating plug contact (7, 8, 9) in the plugged-in state of the plug contact (2, 3, 4) on the printed circuit board (5) and/or in which at least one of the plug contacts (2, 3, 4) has a pair of spring-loaded contact blades (15, 16) which press against one another.
  4. Mains connection system according to claim 3, in which the spring-loaded contact blade (15, 16) has at least two partial contact blades (15a, 15) separated by a slot (17, 18).
  5. Mains connection system according to one of claims 1 to 4, having a mains connector (23) electrically connected to second ends of the single conductors (21, 22).
  6. Mains connection system according to one of claims 1 to 5, having a housing (27) which accommodates the plug contacts (2, 3, 4), in particular next to one another.
  7. Mains connection system according to claim 6, the housing (27) of which is injection-moulded or latched.
  8. Mains connection system according to one of claims 1 to 7, additionally having:
    - guidance means (28) which are moulded, in particular integrally, on the housing (27) of the mains connection system (20) and which interact with counter-guidance means (32) disposed in particular on the housing (34) for the printed circuit board (5) and/or with counter-guidance means (32) disposed on the housing (30) of the electrical device (1), so that plug contacts (2, 3, 4) can be disposed in a predefined position on the electrical device (1),
    - at least one moulded, in particular integrally moulded, partial hinge (52), which interworks with an, in particular integrally moulded, counter partial hinge (53), in particular on the housing (30) of the electrical device (1).
  9. Electrical device, having
    - a mains connection cable (20, 50) according to one of claims 1 to 8.
  10. Electrical device according to claim 9,
    in which at least one plug contact (2, 3, 4) forms a redundant plug contact/mating plug contact system with its mating plug contact (7, 8, 9).
  11. Electrical device according to one of claims 9 to 10,
    in which at least one of the mating plug contacts is configured as a first contact surface (7, 9) configured on one of the surfaces (10) of the printed circuit board (5) and as a second contact surface (8) formed on the other surface (11) of the printed circuit board (5), wherein the first and second contact surfaces (7, 8, 9) are electrically connected, in particular by means of one or more feed-throughs (12) running through the printed circuit board (5).
  12. Electrical device according to one of claims 9 to 11, having:
    - counter-guidance means (32) which are disposed in particular on the housing (34) for the printed circuit board (5) and/or on the housing (30) of the electrical device (1) and which interact with the guidance means (28) of the mains connection cable (20), so that the plug contacts (2, 3, 4) of the mains connection cable (20) are disposed in a predefined position on the electrical device (1), and/or
    - a counter partial hinge (53), in particular integrally moulded, in particular on the housing (30) of the electrical device (1), which interworks with the partial hinge (52) of the mains connection cable (50).
EP10153933.6A 2009-03-19 2010-02-18 Mains connection cable and electrical device Active EP2230727B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910001654 DE102009001654A1 (en) 2009-03-19 2009-03-19 Power cord and electrical appliance

Publications (2)

Publication Number Publication Date
EP2230727A1 EP2230727A1 (en) 2010-09-22
EP2230727B1 true EP2230727B1 (en) 2016-01-06

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ID=42313390

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Application Number Title Priority Date Filing Date
EP10153933.6A Active EP2230727B1 (en) 2009-03-19 2010-02-18 Mains connection cable and electrical device

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EP (1) EP2230727B1 (en)
DE (1) DE102009001654A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2364997A1 (en) * 2009-04-30 2011-09-20 Televes S.A. Interconnect system for a printed circuit board
GB2507090A (en) * 2012-10-18 2014-04-23 Sanders Associates Ltd LED lighting distribution unit
DE102014114489A1 (en) * 2014-10-07 2016-04-07 Miele & Cie. Kg Power distributor for an electrical appliance
DE102015220729A1 (en) 2015-10-23 2017-04-27 BSH Hausgeräte GmbH Connection arrangement and household appliance
CN107438346B (en) * 2017-08-02 2023-06-30 珠海格力电器股份有限公司 Electrical assembly structure and reverse phase protector
CN108397667A (en) * 2018-03-23 2018-08-14 深圳市原易科技有限公司 Self-timer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8100454U1 (en) * 1981-01-12 1981-07-02 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co KG, 8510 Fürth "Connectors for conductor tracks on different circuit board levels"
US6290514B1 (en) * 2000-04-13 2001-09-18 Hon Hai Precision Ind. Co., Ltd. Low-inductance low-resistance electrical connector
US20040114338A1 (en) * 2002-12-17 2004-06-17 Blasko Raymond J. Direct connection to a circuit board
ES2293372T3 (en) * 2003-12-23 2008-03-16 Bsh Bosch Und Siemens Hausgerate Gmbh CONNECTION DEVICE FOR ESTABLISHING AN ELECTRICAL CONNECTION BETWEEN A NETWORK CABLE AND A BEAM OF CABLES.
DE102005040241B4 (en) * 2005-08-24 2021-11-11 Taller Gmbh Mains connection device for household appliances
US7470160B1 (en) * 2007-06-06 2008-12-30 Tyco Electronics Corporation Card edge cable connector

Also Published As

Publication number Publication date
DE102009001654A1 (en) 2010-09-30
EP2230727A1 (en) 2010-09-22

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