EP1859514B9 - Plug-in socket provided with a voltage converter - Google Patents

Plug-in socket provided with a voltage converter Download PDF

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Publication number
EP1859514B9
EP1859514B9 EP06723218.1A EP06723218A EP1859514B9 EP 1859514 B9 EP1859514 B9 EP 1859514B9 EP 06723218 A EP06723218 A EP 06723218A EP 1859514 B9 EP1859514 B9 EP 1859514B9
Authority
EP
European Patent Office
Prior art keywords
plug
socket
housing
electrical
voltage
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
EP06723218.1A
Other languages
German (de)
French (fr)
Other versions
EP1859514B1 (en
EP1859514A1 (en
Inventor
Achim Gleissner
Christoph Jehle
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.)
Sennheiser Electronic GmbH and Co KG
Original Assignee
Sennheiser Electronic GmbH and Co KG
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 Sennheiser Electronic GmbH and Co KG filed Critical Sennheiser Electronic GmbH and Co KG
Publication of EP1859514A1 publication Critical patent/EP1859514A1/en
Publication of EP1859514B1 publication Critical patent/EP1859514B1/en
Application granted granted Critical
Publication of EP1859514B9 publication Critical patent/EP1859514B9/en
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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
    • H01R29/00—Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, programmable connectors
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding   with earth pin, blade or socket
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/6608—Structural association with built-in electrical component with built-in single component
    • H01R13/6633—Structural association with built-in electrical component with built-in single component with inductive component, e.g. transformer
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/68—Structural association with built-in electrical component with built-in fuse
    • 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
    • H01R24/70—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 with additional earth or shield contacts
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • 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
    • 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
    • H01R2201/22—Connectors or connections adapted for particular applications for transformers or coils
    • 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
    • H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus

Definitions

  • the invention relates to power supplies for voltage conversion for electronic devices.
  • the invention particularly relates to a plug-in socket for coupling with corresponding standard connectors and for connecting an electrical terminal to a power supply.
  • the invention also relates to means for voltage conversion for a plug-in socket.
  • the power supply has a housing which is fixedly connected to the housing of a power plug.
  • a power plug with built-in power supply is disclosed, a so-called plug-in power supply.
  • the electronics for converting a primary voltage into a secondary voltage are located on a circuit board with other electronic components.
  • US 4,488,201 As a further prior art be on US 4,488,201 .
  • US 4,386,333 such as DE-U1-296 21 936 pointed.
  • US 4,488,201 describes an "AC, power entry module" in which the front side of the desired voltage can be adjusted, by means of which the device in which the module is inserted, is supplied.
  • Power supplies are also often implemented as part of the electronics of the device, as shown in FIG US 4,488,201 is disclosed. These are, for example, on the same circuit board as the other electronic components of the terminal. Furthermore, power supplies are known which are particularly suitable for use in computers. These are housed in a separate housing, which in turn is installed in the housing of the terminal to be supplied. These power supplies are not hermetically sealed and also have an artificial convection, ie a way to dissipate heat loss, z. B. slots and its own electrical ventilation.
  • the object of the invention is to improve the use of power supplies with means for voltage conversion over the prior art.
  • the plug-in socket according to the invention has a socket housing, in which first electrical contact means for coupling with corresponding electrical contact means of the standard plug are arranged. Further, means for voltage conversion of a primary voltage in at least one secondary voltage for the electrical terminal are integrated in the socket housing and on the socket housing second electrical contact means for electrically contacting the secondary voltage are arranged. In this case, the means for voltage conversion are integrated in the socket housing such that the outer dimensions of the socket housing are essentially predetermined by the dimensions of the corresponding standard plug.
  • the integration of the means for voltage conversion in the female housing of a plug-in socket according to the invention numerous advantages.
  • the user can exchange an external power supply with voltage converter by another power supply with also matching - ie corresponding - standard power plug.
  • This replacement may result in the terminal's electrical specifications not being met by the new power supply.
  • the result are malfunctions and malfunctions of the terminal, which are usually attributed by the user to the respective terminal.
  • the voltage converter is integrated in the plug-in socket of the terminal, a simple conventional cable connection is sufficient for connecting the terminal to the mains voltage.
  • the electrical specification which is for the end user usually difficult to understand, is no longer relevant. This results in a lower susceptibility to errors.
  • the entire terminal must meet certain licensing requirements and therefore be subjected to safety checks. This process is extremely expensive and also requires the use of certain, the overall product more expensive materials within the terminal, such.
  • the means for voltage conversion integrated into the plug-in socket these do not constitute a fixed part of the terminal, but a part of the plug-in socket. The aforementioned approval and safety checks are no longer relevant to the terminal.
  • the plug-in socket has a power switch also integrated into the socket housing for interrupting the primary circuit, wherein the outer dimensions of the socket housing are essentially predetermined by the dimensions of the corresponding standard plug and the power switch.
  • the plug-in socket preferably has an electronic filter likewise integrated in the socket housing, wherein the outer dimensions of the socket housing are essentially predetermined by the dimensions of the corresponding standard plug and the space requirement of the electronic filter. It is an essential idea of the present invention to devote just enough space to the respective electronics in the plug-in socket so that the external design does not deviate significantly from a conventional comparison of a plug-in socket without voltage conversion.
  • the female housing of the plug-in socket according to the invention is hermetically sealed and has no additional convection.
  • a hermetic sealing and the avoidance of additional convections is a further prerequisite to relocate the security requirements of the terminal in the plug-in socket according to the invention, and thereby save costs. Similarly, this can facilitate the installation of the plug-in socket.
  • the plug-in socket is firmly connected to the housing of the terminal in the manufacture of the terminal.
  • the plug-in socket according to the invention hardly differs externally from the conventional plug-in sockets without integrated means for voltage conversion. Conventional installation methods or installation measures can thus on the inventive Plug-in socket still be applied. An adaptation or change of the housing of the terminal is thus hardly required.
  • the socket housing according to the invention in the housing of a terminal can be inserted or inserted. It is particularly preferred if the insertion of the plug-in socket takes place from the outside of the device.
  • the socket housing should be designed accordingly, so that an insertion z. B. until reaching a flange or the like is possible, to which the plug-in socket is locked.
  • the terminal can be set up without having to fulfill the respective country-specific requirements for a voltage conversion from a primary voltage (eg mains voltage) to a secondary voltage. Only when the final destination of the terminal is known, it is equipped with a plug-in socket according to the invention, which then meets exactly the specific technical requirements.
  • the means for voltage conversion can also be such that they automatically switch between different country or application specific requirements of voltage conversion.
  • the second electrical coupling means fit together during insertion, insertion or otherwise installation directly in with the corresponding corresponding means for tapping the secondary voltage or even numerous secondary voltages.
  • the means for voltage conversion to a miniaturized design at the same time the output power is limited. This will be the delivery of Limited heat loss.
  • the hermetic integration into the socket housing is made possible in cases in which, without power limitation, an excessively high output power could be demanded from the terminal.
  • a protection against overload is integrated into the socket housing.
  • a fuse insert is used for this purpose. It should be noted that there is a possibility of access to the fuse to replace the fuse. This part of the socket housing may not be hermetically sealed. Nevertheless, the external design of the plug-in socket according to the aforementioned advantages remains configured during installation.
  • the plug-in socket can be coupled with corresponding electrical contact pins of standard mains plugs according to the Euro standard. It is further preferred that the plug-in socket can be coupled with corresponding electrical contact means of standard plugs according to the American standard. These embodiments are therefore particularly advantageous because the outer contour of the housing portion of the plug to be inserted in accordance with these standards is essentially always the same and only the contact elements designed predominantly as contact pins have a different spacing corresponding to the standards. This allows a predictable effort in the production of plug-in socket according to the invention.
  • the means for voltage conversion for a plug-in socket according to the invention have a closed, one-piece design. This allows a simplified, cheaper and more reliable installation of the power plug.
  • a modular design of the means for voltage conversion makes the product flows more effective.
  • the means for voltage conversion not only have a compact, closed one-piece design, but also an arrangement of the electrical contacts, which in stacking a plurality of identical Means for voltage conversion in the female housing of the plug socket a simple - almost automatic - electrical coupling, in particular a parallel circuit that allows identical means for voltage conversion, so that the required output power of the plug-in socket is adjustable by electrical coupling of the plurality of means for voltage conversion in stages.
  • production processes can be simplified and externally identical plug-in sockets are provided for different secondary currents.
  • the increase in the output power is facilitated by favorable position of the contacts - ie the inputs and outputs - the means for voltage conversion, if this z. B.
  • the invention achieves the advantage that the contacts are provided specifically for a particular stacking. This does not succeed with conventional integrated circuits.
  • plug-in sockets according to the invention are used according to one or more of the aforementioned preferred embodiments in an electrical device, such.
  • an electrical device such as mains powered electrical and electronic devices, especially those electronic devices with low power, preferably z. B. devices of consumer electronics or professional audio and video technology.
  • low power means in particular a connected value of 1000 W or less, preferably approximately between 20 and 200 W.
  • plug-in sockets according to the invention for power losses of the terminal of less than 10 W are particularly preferred.
  • the invention is based on the idea of creating a completely new concept for the power supply of terminals which require the use of power supplies for voltage conversion.
  • the required electronics are not only made very small, but also housed in a very specific component of the terminals - namely in the plug-in socket - which results in amazing benefits.
  • plug-in sockets are designed in such a way that the means for voltage conversion are integrated into them, without the external dimensions changing significantly compared with the dimensions of commercially available comparison types.
  • One aspect of the solution according to the invention is therefore that the electronics required for the voltage conversion is integrated into the plug-in socket, ie in the choice of the suitable location for installation. Furthermore, the electronics are miniaturized so that they can be integrated into the device connection socket.
  • Such a prepared plug-in socket has on the primary side (device outside) on a commercial plug-in connection.
  • second electrical coupling means on which the terminal can tap the desired secondary voltage.
  • These second electrical coupling means may be standard connectors.
  • FIG. 1 an embodiment of a plug-in socket according to the invention is shown.
  • the essential components of the plug-in socket 1 according to the invention are shown. These are the female housing 3, in which the means for voltage conversion 2 are integrated.
  • the first electrical contact means 6 for contacting the electrical contact center in a corresponding standard plug are enclosed in this embodiment by the socket housing 3.
  • an insertion opening or an insertion chamber 8 is provided in the insertion direction 11, in which the corresponding standard connector can be inserted.
  • the second electrical contact means 7 for connecting the secondary voltage within the terminal protrude from the socket housing 3 in this embodiment.
  • these can also be angled, flat against the socket housing 3 or integrated therein, as long as they are still contactable.
  • the means for voltage conversion 2 in a rear end plate 10 of the plug-in socket 1 according to the invention are housed. Likewise, these can also be accommodated between the second electrical contact means 7 or in another region of the female housing 3, as long as there is only enough space available.
  • the socket housing coupling means 9. Typically, these are designed in the form of a flange, which allows the insertion into an opening of the terminal housing only to a certain point. Through the coupling openings 12 z. As screws or rivets are performed, with which the plug-in socket 1 is firmly connected to the housing of the terminal.
  • coupling means 9, 12 come also different forms of locking measures into consideration - such. B. barbs o. ⁇ . made of plastic, which engage in the insertion of the plug-in socket according to the invention in the housing of the terminal. Also, an alternative or additional bonding of the plug-in socket with the housing of the terminal is intended.
  • FIG. 2 shows a further preferred embodiment of the plug-in socket according to the invention 1.
  • This plug-in socket 1 differs from the plug-in socket 1 of FIG. 1 in that it additionally has a power switch 4.
  • the power switch 4 is also largely integrated into the socket housing 3. He is in inventive installation in the housing of a terminal on the outside of the device. This allows the terminal to be completely disconnected from the primary voltage. Parasitic or otherwise unwanted losses, which are due to the fact that only the secondary circuit is interrupted, are thereby excluded. In this way, an actual zero consumption can be achieved.
  • the plug-in socket 1 according to the invention according to the embodiment of FIG. 2 an integrated protection against overload 13 on. These are z. B. to a fuse insert. If a certain secondary power is exceeded, it will destroy the fuse.
  • the means for voltage conversion 2 are according to this embodiment, either also housed in a rearwardly disposed plate 10 or in any other area of the female housing, which provides sufficient space.
  • the means for voltage conversion 2 are designed in a compact, one-piece design, as here in the FIGS. 1 and 2 shown. This facilitates assembly and, if necessary, more of these one-piece voltage converter 2 can be arranged in the female housing 3 or be stacked, whereby the output power of the plug-in socket according to the invention can be increased.
  • the means for voltage conversion 2 as compact as possible and centrally located in the socket housing 3.
  • FIG. 3 shows a further embodiment of a plug-in socket according to the invention 1.
  • the external structure of the female housing 3 is in the foreground.
  • the illustrated design for a hot-device plug changes outwardly compared to a conventional plug-in socket without integrated voltage converter practically not. This makes it possible to use plug-in sockets with voltage transformers according to the invention instead of the conventional commercially available plug-in sockets without a voltage converter.
  • FIG. 4 shows further embodiments of plug-in sockets 1 for cold-device plug with and without switch 4, with and without fuse box 14 and with and without filter housing 15.
  • the outer version should not change significantly compared to the conventional plug-in sockets.
  • the plug-in socket 1 according to the invention is designed so that it is compatible with the conventional plug-in sockets. Of course, this applies in particular to the ability to be coupled with the corresponding standard plugs. From the in FIG. 4 illustrated embodiments, it is apparent that the outer dimensions depending on whether a filter housing 15 or a switch 4 or a fuse box 14 is provided in the plug-in socket 1 change.
  • FIG. 5 shows another three perspective views of embodiments of inventive plug-in sockets 1.
  • the voltage converting part is formed in the device, that is, the concrete electrical device, or in other words, the voltage converting part is realized in the load (since each device also consumes energy and is thus called a load) rather than - like in previously known solutions - in a power plug or in a wall socket.
  • the present invention has the particular advantage that an electrical device via the customary line voltage over the customary connection standards (eg standard outlets for Europe) and normal cables with electrical energy is supplied, but that in the load, ie in the electrical Device the offered AC voltage (AC) in the - for the device (for the load) - required operating voltage is implemented.
  • the invention thus requires neither a special embodiment of the wall socket nor the special design of a cable or plug.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Description

Die Erfindung betrifft Netzteile zur Spannungswandlung für elektronische Endgeräte. Die Erfindung betrifft insbesondere eine Einsteckbuchse zur Kopplung mit korrespondierenden Norm-Steckern und zum Anschließen eines elektrischen Endgerätes an eine Spannungsversorgung. Die Erfindung betrifft ebenfalls Mittel zur Spannungswandlung für eine Einsteckbuchse.The invention relates to power supplies for voltage conversion for electronic devices. The invention particularly relates to a plug-in socket for coupling with corresponding standard connectors and for connecting an electrical terminal to a power supply. The invention also relates to means for voltage conversion for a plug-in socket.

Seit geraumer Zeit sind Spannungswandler in Form sogenannter Netzteile bekannt. Diese wandeln eine Primärspannung (z. B. eine Netzspannung) in eine Sekundärspannung. In einer weit verbreiteten Form sind diese Netzteile in einem separaten Gehäuse untergebracht und mittels eines Kabels mit dem Stromnetz verbunden. Ein weiteres Kabel verbindet das Netzteil und das zu versorgende Endgerät.For some time voltage converters in the form of so-called power supplies are known. These convert a primary voltage (eg a mains voltage) into a secondary voltage. In a widespread form these power supplies are housed in a separate housing and connected by a cable to the mains. Another cable connects the power supply and the device to be supplied.

In einer anderen, weit verbreiteten Form, wie sie z. B. aus der Offenlegungsschrift EP 0 085 802 A1 bekannt ist, besitzt das Netzteil ein Gehäuse, welches fest mit dem Gehäuse eines Netzsteckers verbunden ist.In another, widespread form, as z. B. from the published patent application EP 0 085 802 A1 is known, the power supply has a housing which is fixedly connected to the housing of a power plug.

In der DE 93 208 93 U1 wird ein Netzstecker mit eingebautem Netzgerät offenbart, ein so genanntes Steckernetzteil. Die Elektronik zur Wandlung einer Primärspannung in eine Sekundärspannung befindet sich mit anderen elektronischen Komponenten auf einer Platine.In the DE 93 208 93 U1 a power plug with built-in power supply is disclosed, a so-called plug-in power supply. The electronics for converting a primary voltage into a secondary voltage are located on a circuit board with other electronic components.

Aus der DE 42 27 629 A1 ist ebenfalls ein Netzstecker zum Abschließen elektrischer Endgeräte bekannt, um die Verlustwärme der Spannungstransformation aus dem Steckergehäuse abzuleiten, wird vorgeschlagen, die Steckerstifte zur Kühlung zu nutzen.From the DE 42 27 629 A1 is also a power plug for terminating electrical devices known to derive the heat loss of the voltage transformation of the connector housing, it is proposed to use the connector pins for cooling.

In Wolski, Gerhard B.: Komplettes Netzteil in einem Chip. EN: DE/Der Elektromeister + deutsches Handwerk. 1990, DE 22/90, S. 1673, 1674, 1679 wird ein komplettes Netzteil, welches in einem einzigen Chip realisiert ist, beschrieben.In Wolski, Gerhard B .: Complete power pack in one chip. EN: DE / The master electrician + German craft. 1990, DE 22/90, p. 1673, 1674, 1679 is a complete power supply, which is realized in a single chip described.

Bekannt sind also Netzteile, bei denen der Spannungswandler in einem separaten Gehäuse außerhalb des zu versorgenden Gerätes untergebracht ist. Die elektrische Kopplung mit dem Stromnetz sowie die elektrische Kopplung des zu versorgenden Endgerätes erfolgt mittels separater elektrischer Leitungen.So are known power supplies in which the voltage converter is housed in a separate housing outside of the device to be supplied. The electrical coupling to the mains and the electrical coupling of the terminal to be supplied by means of separate electrical lines.

Als weiterer Stand der Technik sei auf US 4,488,201 , US 4, 386,333 sowie DE-U1-296 21 936 hingewiesen. US 4,488,201 beschreibt ein "A.C, power entry module" bei welchem frontseitig die gewünschte Spannung eingestellt werden kann, mittels der das Gerät, in welches das Modul eingeschoben wird, versorgt wird.As a further prior art be on US 4,488,201 . US 4,386,333 such as DE-U1-296 21 936 pointed. US 4,488,201 describes an "AC, power entry module" in which the front side of the desired voltage can be adjusted, by means of which the device in which the module is inserted, is supplied.

Netzteile werden auch häufig als Teil der Geräteelektronik realisiert, wie dies beisplelsweise in US 4,488,201 offenbart ist. Diese befinden sich beispielsweise auf der gleichen Leiterplatte wie die übrigen elektronischen Komponenten des Endgerätes. Ferner sind Netzteile bekannt, welche speziell für den Einsatz in Computern geeignet sind. Diese sind in einem eigenen Gehäuse untergebracht, welches wiederum in das Gehäuse des zu versorgenden Endgerätes eingebaut ist. Diese Netzteile sind nicht hermetisch verschlossen und verfügen zudem über eine künstliche Konvektion, d. h. über eine Möglichkeit Verlustwärme abzuführen, z. B. über Schlitze und eine eigene elektrische Belüftung.Power supplies are also often implemented as part of the electronics of the device, as shown in FIG US 4,488,201 is disclosed. These are, for example, on the same circuit board as the other electronic components of the terminal. Furthermore, power supplies are known which are particularly suitable for use in computers. These are housed in a separate housing, which in turn is installed in the housing of the terminal to be supplied. These power supplies are not hermetically sealed and also have an artificial convection, ie a way to dissipate heat loss, z. B. slots and its own electrical ventilation.

Bei der Benutzung von separaten Netzteilen, z. B. in der Ausführung eines Steckernetzteils, aber auch bei den Netzteilen in einem separaten Gehäuse innerhalb eines größeren Gehäuses des Endgerätes, sind also erhebliche Beschränkungen des Bedienungskomforts und ein höher Aufwand beim Einbau und der Kontaktierung dieser Netzteile mit dem Stromnetz in Kauf zu nehmen. Externe Netzteile, die beidseitige Kabelverbindungen aufweisen, schränken den Benutzungskomfort ebenfalls erheblich ein. Ein häufig auftretendes Problem besteht darin, dass das Gewicht des Netzteils, welches ja mitten im Kabel angeordnet ist, derart am Kabel zerrt, dass sich entweder die Steckverbindung zum Endgerät löst oder sogar das Endgerät von einer Auflage heruntergezogen und zerstört werden kann.When using separate power supplies, eg. As in the execution of a power supply, but also in the power supplies in a separate housing within a larger housing of the terminal, so are significant restrictions on the ease of use and a higher cost of installation and contacting these power supplies to the power supply in purchasing. External power supplies, which have two-sided cable connections, also limit the ease of use considerably. A common problem is that the weight of the power supply, which is indeed located in the middle of the cable tugs so on the cable that either the connector to the terminal or even the terminal can be pulled down and destroyed by a pad.

Die Aufgabe der Erfindung besteht darin, den Einsatz von Netzteilen mit Mitteln zur Spannungswandlung gegenüber dem Stand der Technik zu verbessern.The object of the invention is to improve the use of power supplies with means for voltage conversion over the prior art.

Die Aufgabe wird durch eine Einsteckbuchse gemäß Anspruch 1, Mittel zur Spannungswandlung gemäß Anspruch 12 und elektrische Endgeräte gemäß Anspruch 14 gelöst.The object is achieved by a plug-in socket according to claim 1, means for voltage conversion according to claim 12 and electrical terminals according to claim 14.

Hierfür weist die erfindungsgemäße Einsteckbuchse ein Buchsengehäuse auf, in welchem erste elektrische Kontaktmittel zur Kopplung mit korrespondierenden elektrischen Kontaktmitteln der Norm-Stecker angeordnet sind. Weiter sind in dem Buchsengehäuse Mittel zur Spannungswandlung einer Primärspannung in mindestens eine Sekundärspannung für das elektrische Endgerät integriert und an dem Buchsengehäuse sind zweite elektrische Kontaktmittel zum elektrischen Kontaktieren der Sekundärspannung angeordnet. Dabei sind die Mittel zur Spannungswandlung derart in dem Buchsengehäuse integriert, dass die äußeren Abmessungen des Buchsengehäuses im Wesentlichen von den Abmessungen des korrespondierenden Norm-Steckers vorgegeben sind.For this purpose, the plug-in socket according to the invention has a socket housing, in which first electrical contact means for coupling with corresponding electrical contact means of the standard plug are arranged. Further, means for voltage conversion of a primary voltage in at least one secondary voltage for the electrical terminal are integrated in the socket housing and on the socket housing second electrical contact means for electrically contacting the secondary voltage are arranged. In this case, the means for voltage conversion are integrated in the socket housing such that the outer dimensions of the socket housing are essentially predetermined by the dimensions of the corresponding standard plug.

Durch die Integration der Mittel zur Spannungswandlung in das Buchsengehäuse einer Einsteckbuchse gemäß der Erfindung ergeben sich zahlreiche Vorteile. Zunächst wird durch die erfindungsgemäße Einsteckbuchse verhindert, dass der Anwender ein externes Netzteil mit Spannungswandler durch ein anderes Netzteil mit ebenfalls passendem - also korrespondierenden - Normnetzstecker austauschen kann. Dieses Austauschen kann dazu führen, dass die elektrischen Spezifikationen des Endgerätes von dem neuen Netzteil nicht erfüllt werden. Die Folge sind Störungen und Fehlfunktionen des Endgerätes, welche vom Anwender in der Regel dem jeweiligen Endgerät zugeschrieben werden. Ist der Spannungswandler jedoch in der Einsteckbuchse des Endgerätes integriert, genügt zum Anschließen des Endgerätes an die Netzspannung eine einfache herkömmliche Kabelverbindung. Die elektrische Spezifikation, welche für den Endverbraucher meist schwer zu verstehen ist, ist damit nicht mehr von Bedeutung. Dies hat eine geringere Fehleranfälligkeit zur Folge.The integration of the means for voltage conversion in the female housing of a plug-in socket according to the invention, numerous advantages. First, it is prevented by the plug-in socket according to the invention that the user can exchange an external power supply with voltage converter by another power supply with also matching - ie corresponding - standard power plug. This replacement may result in the terminal's electrical specifications not being met by the new power supply. The result are malfunctions and malfunctions of the terminal, which are usually attributed by the user to the respective terminal. However, if the voltage converter is integrated in the plug-in socket of the terminal, a simple conventional cable connection is sufficient for connecting the terminal to the mains voltage. The electrical specification, which is for the end user usually difficult to understand, is no longer relevant. This results in a lower susceptibility to errors.

Gegenüber herkömmlichen Endgeräten mit separatem im Gehäuse des Endgerätes angeordneten Netzteil zur Spannungswandlung ergeben sich ebenfalls Vorteile. Bei herkömmlichem Einbau der vorgenannten Netzspannungswandler in das Endgerät muss das gesamte Endgerät bestimmte Zulassungsvorschriften erfüllen und deshalb Sicherheitsprüfungen unterzogen werden. Dieser Vorgang ist äußerst kostspielig und erfordert außerdem die Verwendung bestimmter, das Gesamtprodukt verteuernder Materialien innerhalb des Endgerätes, wie z. B. spezifische Leiterplattenmaterialien etc.. Werden jedoch erfindungsgemäß die Mittel zur Spannungswandlung in die Einsteckbuchse integriert, stellen diese keinen festen Bestandteil des Endgerätes, sondern einen Bestandteil der Einsteckbuchse dar. Die vorgenannten Zulassungsvorschriften und Sicherheitsprüfungen sind für das Endgerät nicht mehr relevant.Compared to conventional devices with separate in the housing of the terminal arranged power supply for voltage conversion also benefits. In conventional installation of the aforementioned mains voltage converter in the terminal, the entire terminal must meet certain licensing requirements and therefore be subjected to safety checks. This process is extremely expensive and also requires the use of certain, the overall product more expensive materials within the terminal, such. However, according to the invention, the means for voltage conversion integrated into the plug-in socket, these do not constitute a fixed part of the terminal, but a part of the plug-in socket. The aforementioned approval and safety checks are no longer relevant to the terminal.

Vorzugsweise weist die Einsteckbuchse einen ebenfalls in das Buchsengehäuse integrierten Netzschalter zum Unterbrechen des Primärstromkreises auf, wobei die äußeren Abmessungen des Buchsengehäuse im Wesentlichen von den Abmessungen des korrespondierenden Norm-Steckers und dem Netzschalter vorgegeben sind. Durch diese erfindungsgemäße Maßnahme kann erreicht werden, dass zusätzlich zu den zuvor genannten Vorteilen, das Endgerät auf einen echten Null-Verbrauch gesetzt werden kann. Dies gelingt nur, wenn der Primärstromkreis unterbrochen wird. Bei Abschaltung des Sekundärstromkreises bleibt ein Reststromverbrauch bestehen. Hierdurch wird dem Problem des parasitären oder ungewollten stand-by Stromverbrauches begegnet, welcher jährlich in den Haushalten immense Kosten verursacht. Bei herkömmlichen Netzteilen, welche außerhalb des Endgerätes in der Nähe des Steckers angeordnet sind, ist das Anbringen eines Schalters mindestens unkomfortabel oder sogar nicht möglich. Gemäß der vorliegenden Erfindung ist es nun möglich, direkt am Gerät den Primärstromkreis zu unterbrechen und trotzdem die Vorteile zu genießen, welche angesichts der Zulassungsvorschriften und Sicherheitsprüfungen nur den Geräten zuteil wurden, welche ein externes Netzteil aufwiesen. Insbesondere kann hierdurch auch zukünftigen Anforderungen entgegengetreten werden, falls alle elektrischen Geräte eines Tages mit einem primären Netzschalter auszustatten sind. Primäre Netzschalter am Endgerät sind bei Nutzung von Steckernetzteilen quasi unmöglich.Preferably, the plug-in socket has a power switch also integrated into the socket housing for interrupting the primary circuit, wherein the outer dimensions of the socket housing are essentially predetermined by the dimensions of the corresponding standard plug and the power switch. By means of this measure according to the invention it can be achieved that, in addition to the aforementioned advantages, the terminal can be set to a true zero consumption. This is possible only if the primary circuit is interrupted. When switching off the secondary circuit, a residual current consumption remains. As a result, the problem of parasitic or unwanted stand-by power consumption is met, which causes immense costs annually in the households. In conventional power supplies, which are located outside of the terminal in the vicinity of the plug, the attachment of a switch is at least uncomfortable or even not possible. According to the present invention, it is now possible to interrupt the primary circuit directly on the device and still enjoy the advantages which, in view of the licensing regulations and safety tests, were only granted to the devices which had an external power supply. In particular, this can also be countered by future requirements if all electrical appliances are to be equipped with a primary power switch one day. Primary power switches on the device are virtually impossible when using power adapters.

Vorzugsweise weist die Einsteckbuchse einen ebenfalls in das Buchsengehäuse integrierten elektronischen Filter auf, wobei die äußeren Abmessungen des Buchsengehäuses im Wesentlichen von den Abmessungen des korrespondieren Norm-Steckers und dem Platzbedarf des elektronischen Filters vorgegeben sind. Es ist ein wesentlicher Gedanke der vorliegenden Erfindung, der jeweiligen Elektronik in der Einsteckbuchse nur gerade soviel Platz zu widmen, dass die äußere Bauform nicht wesentlich von einem herkömmlichen Vergleichstypen einer Einsteckbuchse ohne Spannungswandlung abweicht.The plug-in socket preferably has an electronic filter likewise integrated in the socket housing, wherein the outer dimensions of the socket housing are essentially predetermined by the dimensions of the corresponding standard plug and the space requirement of the electronic filter. It is an essential idea of the present invention to devote just enough space to the respective electronics in the plug-in socket so that the external design does not deviate significantly from a conventional comparison of a plug-in socket without voltage conversion.

Vorzugsweise ist das Buchsengehäuse der erfindungsgemäßen Einsteckbuchse hermetisch abgeschlossen und besitzt keine zusätzliche Konvektion. Ein hermetisches Verschließen und die Vermeidung zusätzlicher Konvektionen ist eine weitere Voraussetzung, die Sicherheitsvoraussetzungen vom Endgerät in die erfindungsgemäße Einsteckbuchse zu verlagern, und dadurch Kosten einzusparen. Gleichermaßen kann hierdurch der Einbau der Einsteckbuchse erleichtert werden. Vorzugsweise wird die Einsteckbuchse bei der Herstellung des Endgerätes fest mit dem Gehäuse des Endgerätes verbunden.Preferably, the female housing of the plug-in socket according to the invention is hermetically sealed and has no additional convection. A hermetic sealing and the avoidance of additional convections is a further prerequisite to relocate the security requirements of the terminal in the plug-in socket according to the invention, and thereby save costs. Similarly, this can facilitate the installation of the plug-in socket. Preferably, the plug-in socket is firmly connected to the housing of the terminal in the manufacture of the terminal.

Es wird bevorzugt, dass an dem Buchsengehäuse der erfindungsgemäßen Einsteckbuchse, Koppelmittel zum Koppeln der Einsteckbuchse mit dem Gehäuse des Endgerätes angeordnet sind. Aufgrund dieser Maßnahme unterscheidet sich die erfindungsgemäße Einsteckbuchse äußerlich kaum von den herkömmlichen Einsteckbuchsen ohne integrierte Mittel zur Spannungswandlung. Herkömmliche Einbauverfahren oder Einbaumaßnahmen können somit auf die erfindungsgemäße Einsteckbuchse nach wie vor angewandt werden. Eine Anpassung oder Änderung des Gehäuses des Endgerätes ist somit kaum erforderlich.It is preferred that are arranged on the socket housing of the plug-in socket according to the invention, coupling means for coupling the plug-in socket with the housing of the terminal. Due to this measure, the plug-in socket according to the invention hardly differs externally from the conventional plug-in sockets without integrated means for voltage conversion. Conventional installation methods or installation measures can thus on the inventive Plug-in socket still be applied. An adaptation or change of the housing of the terminal is thus hardly required.

Es ist besonders bevorzugt, dass das erfindungsgemäße Buchsengehäuse in das Gehäuse eines Endgerätes einschiebbar oder auch einsteckbar ist. Es ist besonders bevorzugt, wenn das Einschieben der Einsteckbuchse von der Geräteaußenseite erfolgt. Hierfür ist das Buchsengehäuse entsprechend auszugestalten, so dass ein Einschieben z. B. bis zum Erreichen eines Flansches oder Ähnlichem möglich ist, an welchem die Einsteckbuchse arretiert wird. Durch diesen Aspekt der Erfindung wird einem besonders einfachen Aufbau des Endgerätes Rechnung getragen. Das Endgerät kann aufgebaut werden, ohne die jeweiligen länderspezifischen Anforderungen an eine Spannungswandlung von einer Primärspannung (z. B. Netzspannung) in eine Sekundärspannung erfüllen zu müssen. Erst wenn die endgültige Destination des Endgerätes bekannt ist, wird es mit einer erfindungsgemäßen Einsteckbuchse ausgestattet, welche dann genau die spezifischen technischen Anforderungen erfüllt. Dadurch wird der Einsatz externer Steckernetzteile vermieden, was die vorgenannten Vorteile mit sich bringt, und gleichzeitig nicht der feste Einbau eines Netzteiles im Endgerät erforderlich, was die ebenfalls zuvor genannten Nachteile hätte. Unbenommen von dieser abschließenden Ausstattung des Endgerätes mit einer erfindungsgemäβen Einsteckbuchse, können die Mittel zur Spannungswandlung natürlich auch dergestalt sein, dass sie automatisch zwischen verschiedenen länder- oder anwendungsspezifischen Erfordernissen der Spannungswandlung umschalten.It is particularly preferred that the socket housing according to the invention in the housing of a terminal can be inserted or inserted. It is particularly preferred if the insertion of the plug-in socket takes place from the outside of the device. For this purpose, the socket housing should be designed accordingly, so that an insertion z. B. until reaching a flange or the like is possible, to which the plug-in socket is locked. By this aspect of the invention, a particularly simple construction of the terminal is taken into account. The terminal can be set up without having to fulfill the respective country-specific requirements for a voltage conversion from a primary voltage (eg mains voltage) to a secondary voltage. Only when the final destination of the terminal is known, it is equipped with a plug-in socket according to the invention, which then meets exactly the specific technical requirements. As a result, the use of external power adapters is avoided, which brings the aforementioned advantages, and at the same time not the fixed installation of a power supply in the terminal required, which would also have the disadvantages mentioned above. Of course, notwithstanding this terminal equipment of the terminal with a plug-in socket according to the invention, the means for voltage conversion can also be such that they automatically switch between different country or application specific requirements of voltage conversion.

Es wird gemäß einer weiteren bevorzugten Ausführungsform der Einsteckbuchse dafür gesorgt, dass die zweiten elektrischen Koppelmittel beim Einschieben, Einstecken oder anderweitigem Einbau direkt in mit den entsprechenden korrespondierenden Mittel zum Abgreifen der Sekundärspannung oder auch zahlreicher Sekundärspannungen zusammenpassen.It is ensured according to a further preferred embodiment of the plug-in socket that the second electrical coupling means fit together during insertion, insertion or otherwise installation directly in with the corresponding corresponding means for tapping the secondary voltage or even numerous secondary voltages.

In einer bevorzugten Ausführung der erfindungsgemäßen Einsteckbuchse weisen die Mittel zur Spannungswandlung eine miniaturisierte Bauform auf, wobei gleichzeitig die Ausgangsleistung begrenzt ist. Hierdurch wird die Abgabe von Verlustwärme begrenzt. Gleichzeitig wird die hermetische Integration in das Buchsengehäuse in den Fällen ermöglicht, in denen ohne Leistungsbegrenzung eine zu hohe Ausgangsleistung vom Endgerät abgefordert werden könnte.In a preferred embodiment of the plug-in socket according to the invention, the means for voltage conversion to a miniaturized design, at the same time the output power is limited. This will be the delivery of Limited heat loss. At the same time, the hermetic integration into the socket housing is made possible in cases in which, without power limitation, an excessively high output power could be demanded from the terminal.

Gemäß einer weiteren bevorzugten Ausführungsform wird in das Buchsengehäuse eine Absicherung gegen Überlast integriert. Vorzugsweise wird hierfür ein Schmelzsicherungseinsatz verwendet. Hierbei ist zu beachten, dass zum Austauschen der Schmelzsicherung eine Zugangsmöglichkeit zur Schmelzsicherung vorgesehen ist. Dieser Teil des Buchsengehäuses ist dann unter Umständen nicht hermetisch verschlossen. Dennoch bleibt die äußere Bauform der Einsteckbuchse gemäß vorgenannter Vorteile beim Einbau ausgestaltet.According to a further preferred embodiment, a protection against overload is integrated into the socket housing. Preferably, a fuse insert is used for this purpose. It should be noted that there is a possibility of access to the fuse to replace the fuse. This part of the socket housing may not be hermetically sealed. Nevertheless, the external design of the plug-in socket according to the aforementioned advantages remains configured during installation.

Es ist besonders bevorzugt, dass die Einsteckbuchse mit korrespondierenden elektrischen Kontaktmifteln von Normnetzsteckern nach Euro-Norm koppelbar ist. Es ist weiterhin bevorzugt, dass die Einsteckbuchse mit korrespondierenden elektrischen Kontaktmitteln von Normsteckern nach amerikanischem Standard koppelbar ist. Diese Ausführungsformen sind deshalb besonders vorteilhaft, weil der Außenumriss des einzuschiebenden Gehäuseabschnitts des Steckers gemäß dieser Normen im Wesentlichen immer gleich ist und lediglich die überwiegend als Kontaktstifte ausgeführten Kontaktelemente einen den Normen entsprechenden unterschiedlichen Abstand aufweisen. Dies ermöglicht einen vorhersagbaren Aufwand bei der Herstellung der erfindungsgemäßen Einsteckbuchse.It is particularly preferred that the plug-in socket can be coupled with corresponding electrical contact pins of standard mains plugs according to the Euro standard. It is further preferred that the plug-in socket can be coupled with corresponding electrical contact means of standard plugs according to the American standard. These embodiments are therefore particularly advantageous because the outer contour of the housing portion of the plug to be inserted in accordance with these standards is essentially always the same and only the contact elements designed predominantly as contact pins have a different spacing corresponding to the standards. This allows a predictable effort in the production of plug-in socket according to the invention.

Besonders vorteilhaft ist es weiterhin, wenn die Mittel zur Spannungswandlung für eine erfindungsgemäße Einsteckbuchse eine geschlossene, einstückige Bauform aufweisen. Dies ermöglicht eine vereinfachte, kostengünstigere und zuverlässigere Montage des Netzsteckers. Insbesondere lassen sich durch einen modularen Aufbau der Mittel zur Spannungswandlung die Produktabläufe effektiver gestalten.It is furthermore particularly advantageous if the means for voltage conversion for a plug-in socket according to the invention have a closed, one-piece design. This allows a simplified, cheaper and more reliable installation of the power plug. In particular, a modular design of the means for voltage conversion makes the product flows more effective.

Es ist weiterhin bevorzugt, dass die Mittel zur Spannungswandlung nicht nur eine kompakte, geschlossene einstückige Bauform, sondern auch eine Anordnung der elektrischen Kontakte aufweisen, welche bei Stapelung einer Mehrzahl baugleicher Mittel zur Spannungswandlung im Buchsengehäuse der Einsteckbuchse eine einfache - nahezu automatische - elektrische Kopplung, insbesondere eine Parallelschaltung, der baugleichen Mittel zur Spannungswandlung ermöglicht, so dass die erforderliche Ausgangsleistung der Einsteckbuchse durch elektrische Kopplung der Mehrzahl von Mitteln zur Spannungswandlung in Stufen einstellbar ist. Auf diese Weise können Produktionsabläufe vereinfacht werden und äußerlich baugleiche Einsteckbuchsen für unterschiedliche Sekundärströme vorgesehen werden. Insbesondere wird die Erhöhung der Ausgangsleistung durch günstige Lage der Kontakte - also der Eingänge und Ausgänge - der Mittel zur Spannungswandlung erleichtert, wenn diese z. B. alle auf der jeweils gleichen und leicht zugänglichen Seite eines äußerlich einstückigen Spannungswandlers angeordnet sind. Gegenüber herkömmlichen mikroelektronischen Schaltungen, z. B. Mikrochips, wird erfindungsgemäß der Vorteil erreicht, dass die Kontakte spezifisch für eine bestimmte Stapelung vorgesehen sind. Dies gelingt mit herkömmlichen integrierten Schaltungen nicht.It is further preferred that the means for voltage conversion not only have a compact, closed one-piece design, but also an arrangement of the electrical contacts, which in stacking a plurality of identical Means for voltage conversion in the female housing of the plug socket a simple - almost automatic - electrical coupling, in particular a parallel circuit that allows identical means for voltage conversion, so that the required output power of the plug-in socket is adjustable by electrical coupling of the plurality of means for voltage conversion in stages. In this way, production processes can be simplified and externally identical plug-in sockets are provided for different secondary currents. In particular, the increase in the output power is facilitated by favorable position of the contacts - ie the inputs and outputs - the means for voltage conversion, if this z. B. are all arranged on the same and easily accessible side of an externally integral voltage converter. Compared to conventional microelectronic circuits, z. As microchips, the invention achieves the advantage that the contacts are provided specifically for a particular stacking. This does not succeed with conventional integrated circuits.

Es ist besonders bevorzugt, dass die erfindungsgemäßen Einsteckbuchsen gemäß einem oder mehreren der vorstehend genannten bevorzugten Ausführungsformen in einem elektrischen Endgerät eingesetzt werden, wie z. B. netzbetriebene elektrische und elektronische Geräte, insbesondere solche elektronischen Geräte mit kleiner Leistung, vorzugsweise z. B. Geräte der Unterhaltungselektronik bzw. der professionellen Audio- und Videotechnik. Kleine Leistung bedeutet hier insbesondere ein Anschlusswert von 1000 W oder weniger, bevorzugt etwa zwischen 20 und 200 W.It is particularly preferred that the plug-in sockets according to the invention are used according to one or more of the aforementioned preferred embodiments in an electrical device, such. As mains powered electrical and electronic devices, especially those electronic devices with low power, preferably z. B. devices of consumer electronics or professional audio and video technology. In this case, low power means in particular a connected value of 1000 W or less, preferably approximately between 20 and 200 W.

Weiterhin sind Einsteckbuchsen gemäß der Erfindung für Verlustleistungen des Endgerätes von weniger als 10 W besonders bevorzugt.Furthermore, plug-in sockets according to the invention for power losses of the terminal of less than 10 W are particularly preferred.

Die Erfindung beruht auf dem Gedanken, ein völlig neuartiges Konzept zur Spannungsversorgung von Endgeräten, welche den Einsatz von Netzteilen zur Spannungswandlung erfordern, zu schaffen. Die erforderliche Elektronik wird dabei nicht nur besonders klein ausgeführt, sondern auch in einer ganz bestimmten Komponente der Endgeräte - nämlich in der Einsteckbuchse - untergebracht, wodurch sich verblüffende Vorteile ergeben. Zur Verwirklichung der Erfindung werden Einsteckbuchsen derart ausgestaltet, dass in diese die Mittel zur Spannungswandlung integriert sind, ohne dass sich die äußeren Abmessungen wesentlich gegenüber den Abmessungen handelsüblicher Vergleichstypen ändern. Ein Aspekt der erfindungsgemäßen Lösung besteht also darin, dass die für die Spannungswandlung notwendige Elektronik in die Einsteckbuchse integriert wird, also in der Wahl des geeigneten Ortes für den Einbau. Weiter wird die Elektronik so miniaturisiert, dass sie in die Geräteanschlussbuchse integriert werden kann. Eine derart präparierte Einsteckbuchse weist auf der Primärseite (Geräteaußenseite) eine handelsübliche Steckverbindung auf. Auf der Sekundärseite (Geräteinnenseite) weist die erfindungsgemäße Einsteckbuchse zweite elektrische Koppelmittel auf, an denen das Endgerät die gewünschte Sekundärspannung abgreifen kann. Auch diese zweiten elektrischen Koppelmittel können Norm-Steckverbinder sein. Es ergibt sich damit der verblüffende Vorteil, einerseits auf externe Steckernetzteile verzichten zu können, aber dennoch die Sicherheits- und Zulassungsvoraussetzungen, z. B. gemäß Netzspannungen verschiedener Länder, nicht im Endgerät selbst, sondern in der Einsteckbuchse unterzubringen. Diese wird einfach abschließend in das insoweit bereits fertig gestellte Endgerät eingesteckt oder eingeschoben, um die jeweiligen elektrischen Spezifikationen zu erfüllen.The invention is based on the idea of creating a completely new concept for the power supply of terminals which require the use of power supplies for voltage conversion. The required electronics are not only made very small, but also housed in a very specific component of the terminals - namely in the plug-in socket - which results in amazing benefits. In order to implement the invention, plug-in sockets are designed in such a way that the means for voltage conversion are integrated into them, without the external dimensions changing significantly compared with the dimensions of commercially available comparison types. One aspect of the solution according to the invention is therefore that the electronics required for the voltage conversion is integrated into the plug-in socket, ie in the choice of the suitable location for installation. Furthermore, the electronics are miniaturized so that they can be integrated into the device connection socket. Such a prepared plug-in socket has on the primary side (device outside) on a commercial plug-in connection. On the secondary side (inside of the device) has the plug-in socket according to the invention second electrical coupling means on which the terminal can tap the desired secondary voltage. These second electrical coupling means may be standard connectors. This results in the amazing advantage, on the one hand to dispense with external power adapters, but still the safety and licensing requirements, eg. B. according to mains voltages of different countries, not in the terminal itself, but in the plug-in socket accommodate. This is simply plugged into the already finished end device so far completed or inserted to meet the respective electrical specifications.

Im Folgenden werden zwei Ausführungsbeispiele der Erfindung anhand der Figuren näher erläutert. Es zeigen:

Figur 1
Eine seitliche Schnittansicht einer ersten bevorzugten Ausführungsform der erfindungsgemäßen Einsteckbuchse mit Spannungswandler,
Figur 2
eine seitliche Schnittansicht einer zweiten bevorzugten Ausführungsform der erfindungsgemäßen Einsteckbuchse mit Spannungswandler und Schalter,
Figur 3
eine perspektivische Ansicht einer erfindungsgemäßen Einsteckbuchse für Warmgerätestecker,
Figur 4
sechs perspektivische Ansichten sechs verschiedener erfindungsgemäßer Einsteckbuchsen für Kaltgeräte-Stecker und
Figur 5
drei perspektivische Ansichten drei verschiedener erfindungsgemäßer Einbauminibuchsen für Rasiererstecker.
In the following two embodiments of the invention will be explained in more detail with reference to FIGS. Show it:
FIG. 1
A side sectional view of a first preferred embodiment of the plug-in socket with voltage transformer according to the invention,
FIG. 2
a side sectional view of a second preferred embodiment of the plug-in socket with voltage transformer and switch according to the invention,
FIG. 3
a perspective view of a plug-in socket for Warmgerätestecker invention,
FIG. 4
six perspective views of six different inventive plug-in sockets for IEC connectors and
FIG. 5
three perspective views of three different inventive Einbauminibuchsen for razor plug.

In Figur 1 ist ein Ausführungsbeispiel einer erfindungsgemäßen Einsteckbuchse dargestellt. In dieser schematisierten seitlichen Schnittansicht sind die wesentlichen Komponenten der erfindungsgemäßen Einsteckbuchse 1 dargestellt. Diese sind das Buchsengehäuse 3, in welches die Mittel zur Spannungswandlung 2 integriert sind. Die ersten elektrischen Kontaktmittel 6 zum Kontaktieren mit den elektrischen Kontaktmittein eines korrespondierenden Norm-Steckers werden in diesem Ausführungsbeispiel von dem Buchsengehäuse 3 umschlossen. Dabei ist in Einschubrichtung 11 eine Einschuböffnung bzw. eine Einschubkammer 8 vorgesehen, in welche der korrespondierende Norm-Stecker eingeschoben werden kann. Die zweiten elektrischen Kontaktmittel 7 zum Anschließen der Sekundärspannung innerhalb des Endgerätes ragen in diesem Ausführungsbeispiel aus dem Buchsengehäuse 3 heraus. Ebenso können diese jedoch abgewinkelt sein, flach am Buchsengehäuse 3 anliegen oder darin integriert sein, solange sie noch kontaktierbar sind. Typischerweise sind die Mittel zur Spannungswandlung 2 in einer rückseitigen Abschlussplatte 10 der erfindungsgemäßen Einsteckbuchse 1 untergebracht. Ebenso können diese aber auch zwischen den zweiten elektrischen Kontaktmitteln 7 oder in einem anderen Bereich des Buchsengehäuses 3 untergebracht sein, solange dort nur ausreichend Platz zur Verfügung steht. Für den Einbau in das Gehäuse eines Endgeräts weist das Buchsengehäuse Koppelmittel 9 auf. Typischerweise sind diese in Form eines Flansches ausgeführt, welcher das Einschieben in eine Öffnung des Endgeräte-Gehäuses nur bis zu einem gewissen Punkt zulässt. Durch die Koppelöffnungen 12 können dann z. B. Schrauben oder Nieten geführt werden, mit denen die Einsteckbuchse 1 mit dem Gehäuse des Endgerätes fest verbunden wird. Als Koppelmittel 9, 12 kommen ebenfalls verschiede Formen von Arretiermaßnahmen in Betracht - wie z. B. Widerhaken o. Ä. aus Kunststoff, welche beim Einschieben der erfindungsgemäßen Einsteckbuchse in das Gehäuse des Endgerätes einrasten. Auch an ein alternatives oder zusätzliches Verkleben der Einsteckbuchse mit dem Gehäuse des Endgerätes ist gedacht.In FIG. 1 an embodiment of a plug-in socket according to the invention is shown. In this schematic side sectional view, the essential components of the plug-in socket 1 according to the invention are shown. These are the female housing 3, in which the means for voltage conversion 2 are integrated. The first electrical contact means 6 for contacting the electrical contact center in a corresponding standard plug are enclosed in this embodiment by the socket housing 3. In this case, an insertion opening or an insertion chamber 8 is provided in the insertion direction 11, in which the corresponding standard connector can be inserted. The second electrical contact means 7 for connecting the secondary voltage within the terminal protrude from the socket housing 3 in this embodiment. However, these can also be angled, flat against the socket housing 3 or integrated therein, as long as they are still contactable. Typically, the means for voltage conversion 2 in a rear end plate 10 of the plug-in socket 1 according to the invention are housed. Likewise, these can also be accommodated between the second electrical contact means 7 or in another region of the female housing 3, as long as there is only enough space available. For installation in the housing of a terminal, the socket housing coupling means 9. Typically, these are designed in the form of a flange, which allows the insertion into an opening of the terminal housing only to a certain point. Through the coupling openings 12 z. As screws or rivets are performed, with which the plug-in socket 1 is firmly connected to the housing of the terminal. As coupling means 9, 12 come also different forms of locking measures into consideration - such. B. barbs o. Ä. made of plastic, which engage in the insertion of the plug-in socket according to the invention in the housing of the terminal. Also, an alternative or additional bonding of the plug-in socket with the housing of the terminal is intended.

Figur 2 zeigt eine weitere bevorzugte Ausführungsform der erfindungsgemäßen Einsteckbuchse 1. Diese Einsteckbuchse 1 unterscheidet sich von der Einsteckbuchse 1 der Figur 1 dadurch, dass diese zusätzlich einen Netzschalter 4 aufweist. Der Netzschalter 4 ist ebenfalls weitgehend in das Buchsengehäuse 3 integriert. Er befindet sich bei erfindungsgemäßem Einbau in das Gehäuse eines Endgerätes auf der Geräteaußenseite. Dies ermöglicht das Endgerät vollständig von der Primärspannung zu trennen. Parasitäre oder anderweitig ungewollte Verluste, welche dadurch bedingt sind, dass lediglich der Sekundärstromkreis unterbrochen wird, werden hierdurch ausgeschlossen. Auf diese Weise ist ein tatsächlicher Null-Verbrauch zu erreichen. Zusätzlich weist die erfindungsgemäße Einsteckbuchse 1 gemäß dem Ausführungsbeispiel der Figur 2 eine integrierte Absicherung gegen Überlast 13 auf. Dabei handelt es sich z. B. um einen Schmelzsicherungseinsatz. Wird eine gewisse Sekundärleistung überschritten, kommt es zur Zerstörung der Schmelzsicherung. Auf die Schmelzsicherung kann z. B. über eine extra hierfür vorgesehene Aussparung, wie sie nachfolgend in den Ausführungsbeispielen der Figuren 3 bis 5 angedeutet ist, zugegriffen werden. Die Mittel zur Spannungswandlung 2 sind gemäß dieser Ausführungsform entweder ebenso in einer rückwärtig angeordneten Platte 10 untergebracht oder in jedem anderen Bereich des Buchsengehäuses, welcher ausreichend Platz liefert. Für die Anordnung der ersten elektrischen Kontaktmittel 6 und der zweiten elektrischen Kontaktmittel 7 sowie für die Koppelmittel 9, 12 gilt das zuvor Gesagte entsprechend. FIG. 2 shows a further preferred embodiment of the plug-in socket according to the invention 1. This plug-in socket 1 differs from the plug-in socket 1 of FIG. 1 in that it additionally has a power switch 4. The power switch 4 is also largely integrated into the socket housing 3. He is in inventive installation in the housing of a terminal on the outside of the device. This allows the terminal to be completely disconnected from the primary voltage. Parasitic or otherwise unwanted losses, which are due to the fact that only the secondary circuit is interrupted, are thereby excluded. In this way, an actual zero consumption can be achieved. In addition, the plug-in socket 1 according to the invention according to the embodiment of FIG. 2 an integrated protection against overload 13 on. These are z. B. to a fuse insert. If a certain secondary power is exceeded, it will destroy the fuse. On the fuse z. B. via a specially provided for this recess, as described below in the embodiments of FIGS. 3 to 5 is indicated, accessed. The means for voltage conversion 2 are according to this embodiment, either also housed in a rearwardly disposed plate 10 or in any other area of the female housing, which provides sufficient space. For the arrangement of the first electrical contact means 6 and the second electrical contact means 7 and for the coupling means 9, 12, the above applies accordingly.

Besonders vorteilhaft ist es, wenn die Mittel zur Spannungswandlung 2 in einer kompakten, einstückigen Bauform ausgeführt sind, wie hier in den Figuren 1 und 2 dargestellt. Dies erleichtert die Montage und bedarfsweise können mehrere dieser einstückigen Spannungswandler 2 im Buchsengehäuse 3 angeordnet bzw. gestapelt werden, wodurch die Ausgangsleistung der erfindungsgemäßen Einsteckbuchse erhöht werden kann. Vorzugsweise sind die Mittel zur Spannungswandlung 2 möglichst kompakt und zentral im Buchsengehäuse 3 angeordnet.It when the means for voltage conversion 2 are designed in a compact, one-piece design, as here in the FIGS. 1 and 2 shown. This facilitates assembly and, if necessary, more of these one-piece voltage converter 2 can be arranged in the female housing 3 or be stacked, whereby the output power of the plug-in socket according to the invention can be increased. Preferably, the means for voltage conversion 2 as compact as possible and centrally located in the socket housing 3.

Figur 3 zeigt ein weiteres Ausführungsbeispiel einer erfindungsgemäßen Einsteckbuchse 1. Hierbei steht der äußere Aufbau des Buchsengehäuses 3 im Vordergrund. Die dargestellte Bauform für einen Warmgerätestecker verändert sich äußerlich gegenüber einer herkömmlichen Einsteckbuchse ohne integrierten Spannungswandler praktisch nicht. Dies ermöglicht, anstelle der bisherigen handelsüblichen Einsteckbuchsen ohne Spannungswandler, erfindungsgemäße Einsteckbuchsen mit Spannungswandler einzusetzen. FIG. 3 shows a further embodiment of a plug-in socket according to the invention 1. Here, the external structure of the female housing 3 is in the foreground. The illustrated design for a hot-device plug changes outwardly compared to a conventional plug-in socket without integrated voltage converter practically not. This makes it possible to use plug-in sockets with voltage transformers according to the invention instead of the conventional commercially available plug-in sockets without a voltage converter.

Figur 4 zeigt weitere Ausführungsbeispiele für Einsteckbuchsen 1 für Kaltgeräte-stecker mit und ohne Schalter 4, mit und ohne Sicherungsbox 14 und mit und ohne Filtergehäuse 15. Auch hierbei ist zu beachten, dass sich die äußere Ausführung gegenüber den herkömmlichen Einsteckbuchsen nicht wesentlich verändern sollte. Insbesondere wird die erfindungsgemäße Einsteckbuchse 1 so ausgeführt, dass sie mit den herkömmlichen Einsteckbuchsen kompatibel ist. Dies gilt natürlich insbesondere für die Koppelbarkeit mit den entsprechenden Norm-Steckern. Aus den in Figur 4 dargestellten Ausführungsbeispielen geht hervor, dass sich die äußeren Abmessungen je nachdem, ob ein Filtergehäuse 15 oder ein Schalter 4 oder auch eine Sicherungsbox 14 in der Einsteckbuchse 1 vorgesehen ist, verändern. Die zusätzliche Unterbringung der Mittel zur Spannungswandlung 2 in der Einsteckbuchse 1, bewirkt demgegenüber aber keine zusätzliche wesentliche Abweichung in den äußeren Abmessungen gegenüber der herkömmlichen Einsteckbuchse. Die erfindungsgemäßen Vorteile sind aufgrund der Integration der Mittel zur Spannungswandlung 2 in die Einsteckbuchse jedoch beachtlich - wie eingangs bereits ausgeführt. FIG. 4 shows further embodiments of plug-in sockets 1 for cold-device plug with and without switch 4, with and without fuse box 14 and with and without filter housing 15. Again, it should be noted that the outer version should not change significantly compared to the conventional plug-in sockets. In particular, the plug-in socket 1 according to the invention is designed so that it is compatible with the conventional plug-in sockets. Of course, this applies in particular to the ability to be coupled with the corresponding standard plugs. From the in FIG. 4 illustrated embodiments, it is apparent that the outer dimensions depending on whether a filter housing 15 or a switch 4 or a fuse box 14 is provided in the plug-in socket 1 change. The additional accommodation of the means for voltage conversion 2 in the plug-in socket 1, however, causes no additional significant deviation in the outer dimensions compared to the conventional plug-in socket. However, the advantages of the invention are due to the integration of the means for voltage conversion 2 in the plug socket considerable - as already stated.

Figur 5 zeigt weitere drei perspektivische Ansichten von Ausführungsbeispielen erfindungsgemäßer Einsteckbuchsen 1. Auch hier ist zu beachten, dass trotz der bei dieser Bauform typischerweise sehr kleinen äußeren Abmessungen ungeachtet der geringen Größe, durch die Integration der Mittel zur Spannungswandlung in die Einsteckbuchse, keine wesentliche Abweichung vom herkömmlichen Aufbau stattfindet, zumindest insoweit, dass eine Einbaukompatibilität der erfindungsgemäßen und der herkömmlichen Einsteckbuchsen besteht. FIG. 5 shows another three perspective views of embodiments of inventive plug-in sockets 1. Again, it should be noted that despite the typically very small external dimensions in this design, regardless of the small size, by the integration of the means for voltage conversion into the plug-in socket, no significant deviation from the conventional structure takes place, at least to the extent that there is a built-in compatibility of the invention and the conventional plug-in sockets.

Bei der vorliegenden Erfindung ist der spannungswandelnde Teil im Gerät, also dem konkreten elektrischen Gerät ausgebildet oder anders ausgedrückt, der spannungswandelnde Teil ist in der Last (denn jedes Gerät verbraucht auch Energie und ist damit auch als Last zu bezeichnen) realisiert und nicht etwa - wie bei bisher bekannten Lösungen - in einem Netzstecker oder in einer Wandsteckdose.In the present invention, the voltage converting part is formed in the device, that is, the concrete electrical device, or in other words, the voltage converting part is realized in the load (since each device also consumes energy and is thus called a load) rather than - like in previously known solutions - in a power plug or in a wall socket.

Die vorliegende Erfindung hat den besonderen Vorteil, dass ein elektrisches Gerät über die landesübliche Netzspannung, über die landesüblichen Anschlussstandards (z. B. Normsteckdosen für Europa) und über normale Kabel mit elektrischer Energie versorgt wird, dass aber in der Last, also in dem elektrischen Gerät die angebotene Wechselspannung (Wechselstrom) in die - für das Gerät (für die Last) - benötigte Betriebsspannung umgesetzt wird. Bei der Erfindung bedarf es also weder einer speziellen Ausgestaltung der Wandsteckdose noch der speziellen Ausgestaltung eines Kabels oder Steckers.The present invention has the particular advantage that an electrical device via the customary line voltage over the customary connection standards (eg standard outlets for Europe) and normal cables with electrical energy is supplied, but that in the load, ie in the electrical Device the offered AC voltage (AC) in the - for the device (for the load) - required operating voltage is implemented. The invention thus requires neither a special embodiment of the wall socket nor the special design of a cable or plug.

Claims (14)

  1. A plug-in socket (1) for coupling to corresponding standard plugs and for connection of an electrical terminal device to a primary voltage, comprising:
    a socket housing (3),
    first electrical contact means (6), disposed in the socket housing (3), for coupling to corresponding electrical contact means of the standard plugs,
    voltage conversion means (2), integrated in the socket housing (3), for conversion of a primary voltage into at least one secondary voltage for the electrical terminal device,
    second electrical contact means (7), disposed on the socket housing (3), for electrical contacting of the secondary voltage,
    wherein the voltage conversion means (2) are integrated in the socket housing (3) in such a manner that the external dimensions of the socket housing (3) are substantially predetermined by the dimensions of the corresponding standard plug, and the socket housing (3) is hermetically sealed and exhibits no further convection.
  2. A plug-in socket according to claim 1, characterised by a mains switch (4) for interrupting the primary circuit, which mains switch (4) is also integrated into the socket housing (3), wherein the external dimensions of the socket housing (3) are substantially predetermined by the dimensions of the corresponding standard plug and by the mains switch (4).
  3. A plug-in socket according to claim 1 or 2, characterised by a filter housing (15) for accommodating electronic filters which is also integrated into the socket housing (3), wherein the external dimensions of the socket housing (3) are substantially predetermined by the dimensions of the corresponding standard plug, where applicable by the mains switch (4) and the filter housing (15).
  4. A plug-in socket according to any one of the preceding claims, characterised in that coupling means (9, 12) for coupling the plug-in socket (1) to the housing of a terminal device are disposed on the socket housing (3).
  5. A plug-in socket according to any one of the preceding claims, characterised in that the socket housing (3) is of a configuration such that the socket housing (3) can be pushed into a housing of the terminal device, especially from the outside of the terminal device, in a functionally appropriate manner.
  6. A plug-in socket according to any one of the preceding claims, characterised in that the second electrical coupling means (7) are of a configuration such that, when the socket housing (3) is pushed into a terminal device, the second electrical coupling means (7) can be coupled to corresponding coupling means of the terminal device for tapping the secondary voltage.
  7. A plug-in socket according to any one of the preceding claims, characterised in that the voltage conversion means (2) are of a miniaturised structural form with at the same time limitation of the output power.
  8. A plug-in socket according to any one of the preceding claims, characterised by a safeguard against overload (13), especially in the form of a fusible insert, which is also integrated into the socket housing (3).
  9. A plug-in socket according to any one of the preceding claims, characterised in that the contact means (6) are of a configuration such that the plug-in socket (1) can be coupled to corresponding electrical contact means of standard plugs in accordance with the European Norm.
  10. A plug-in socket according to any one of claims 1 to 8, characterised in that the contact means (6) are of a configuration such that the plug-in socket (1) can be coupled to corresponding electrical contact means of standard plugs in accordance with the American standard.
  11. Voltage conversion means (2) for a plug-in socket (1) according to any one of the preceding claims, characterised by a closed, one-piece structural form.
  12. Voltage conversion means (2) according to claim 10, characterised by an arrangement of the electrical contacts which, upon stacking of a plurality of structurally identical voltage conversion means (2) in the socket housing (3), makes possible a simple electrical coupling, especially parallel and/or series connection, of the structurally identical voltage conversion means, so that the required output power of the mains plug (1) can be set by increasing the electric current or the electric voltage by electrical coupling of the plurality of voltage conversion means (2).
  13. An electrical terminal device, characterised by a plug-in socket according to any one of claims 1 to 10.
  14. An electrical terminal device according to claim 13, characterised by a power consumption of less than 10 W.
EP06723218.1A 2005-03-07 2006-03-04 Plug-in socket provided with a voltage converter Active EP1859514B9 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005010866A DE102005010866A1 (en) 2005-03-07 2005-03-07 Plug-in socket with voltage transformer
PCT/EP2006/002001 WO2006094728A1 (en) 2005-03-07 2006-03-04 Plug-in socket provided with a voltage converter

Publications (3)

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EP1859514A1 EP1859514A1 (en) 2007-11-28
EP1859514B1 EP1859514B1 (en) 2013-08-14
EP1859514B9 true EP1859514B9 (en) 2014-09-10

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EP06723218.1A Active EP1859514B9 (en) 2005-03-07 2006-03-04 Plug-in socket provided with a voltage converter

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US (1) US8777639B2 (en)
EP (1) EP1859514B9 (en)
CN (1) CN101147300B (en)
DE (1) DE102005010866A1 (en)
WO (1) WO2006094728A1 (en)

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Also Published As

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CN101147300A (en) 2008-03-19
EP1859514B1 (en) 2013-08-14
US8777639B2 (en) 2014-07-15
EP1859514A1 (en) 2007-11-28
WO2006094728A1 (en) 2006-09-14
CN101147300B (en) 2011-03-23
US20080194151A1 (en) 2008-08-14
DE102005010866A1 (en) 2006-09-14

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