EP1060559A1 - Device for converting the mains voltage into a lower voltage - Google Patents

Device for converting the mains voltage into a lower voltage

Info

Publication number
EP1060559A1
EP1060559A1 EP99915485A EP99915485A EP1060559A1 EP 1060559 A1 EP1060559 A1 EP 1060559A1 EP 99915485 A EP99915485 A EP 99915485A EP 99915485 A EP99915485 A EP 99915485A EP 1060559 A1 EP1060559 A1 EP 1060559A1
Authority
EP
European Patent Office
Prior art keywords
connector
voltage
structural unit
plug
circuit
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.)
Granted
Application number
EP99915485A
Other languages
German (de)
French (fr)
Other versions
EP1060559B1 (en
Inventor
Michael Bothe
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.)
Friwo Geraetebau GmbH
Original Assignee
Friwo Geraetebau 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 Friwo Geraetebau GmbH filed Critical Friwo Geraetebau GmbH
Publication of EP1060559A1 publication Critical patent/EP1060559A1/en
Application granted granted Critical
Publication of EP1060559B1 publication Critical patent/EP1060559B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6675—Structural association with built-in electrical component with built-in electronic circuit with built-in power supply
    • 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
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
    • 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

Definitions

  • the invention relates to a device for converting mains voltage (usually 230 V) into low voltage (usually "safety extra-low voltage"), consisting of a first plug which can be plugged into a mains socket, a second plug which can be plugged into a consumer and a circuit, largely between the two plugs, for voltage conversion.
  • mains voltage usually 230 V
  • low voltage usually "safety extra-low voltage”
  • the invention has for its object to design the aforementioned device such that losses and possible line overloads are avoided as far as possible.
  • circuit with the second connector forms an inherently rigid unit with the shortest possible electrical connection between the circuit and the second switch with the smallest possible electrical resistance.
  • Another advantage is that additional signals (via additional electrical connections) can be transmitted better than in the known case mentioned above, because the device according to the invention lacks the long line that is present in the known device.
  • a further development of the invention is that an on / off switch for the mains voltage is attached to the device.
  • the advantage of this solution compared to the solution mentioned above with an on / off switch for the mains voltage is that the on / off switch is practically always used when the consumer is to be switched off.
  • the on / off switch is often not used because the voltage conversion device is located in a place that is difficult to access or not easily visible, namely away from the consumer. So you often leave the consumer switched on and use useless energy, or the power plug is pulled out in a primitive manner. Not least for this reason, the known devices often have no on / off switch.
  • the second connector has at least three poles. This solution is useful for the transmission of additional signals.
  • the second connector be easily removable from the rest of the assembly and, if necessary, be exchangeable for another. In this way it is possible to conveniently adapt the device according to the invention to different consumers. Further details of the invention emerge from the drawing. In it show the
  • Figures 1 and 2 each a known device for voltage conversion.
  • FIG 3 shows an embodiment of the device for voltage conversion according to the invention.
  • 1 is a mains plug ("first plug")
  • 2 is a second plug that can be plugged into a consumer
  • 3 is a housing in which a circuit for converting the voltage is located
  • 4 is a device to indicate the operating state and 5 denotes an on / off switch.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Rectifiers (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Discharge Heating (AREA)
  • Optical Head (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The present invention relates to a device for converting the mains voltage into a lower voltage, wherein said device comprises a first connector which can be inserted in a mains plug, a second connector which can be inserted in a load as well as a voltage conversion circuit essentially provided between the two connectors. In the device of the present invention, the circuit forms together with the second connector (2) a rigid unit which reduces to a minimum both the electric resistance and the electric connection between said circuit and said second connector (2). The losses and line overloads can thus be practically eliminated.

Description

Vorrichtung zur Umwandlung von Netzspannung in Niederspannung Device for converting mains voltage to low voltage
Die Erfindung bezieht sich auf eine Vorrichtung zur Umwandlung von Netzspannung (in der Regel 230 V) in Niederspannung (in der Regel "Sicherheitskleinspannung"), bestehend aus einem ersten in eine Netzsteckdose steckbaren Stecker, einem zweiten in einen Verbraucher steckbaren Stecker und einer Schaltung, weitgehend zwischen den beiden Steckern, zur Spannungsumwandlung .The invention relates to a device for converting mains voltage (usually 230 V) into low voltage (usually "safety extra-low voltage"), consisting of a first plug which can be plugged into a mains socket, a second plug which can be plugged into a consumer and a circuit, largely between the two plugs, for voltage conversion.
Bei bekannten, auf dem Markt befindlichen Vorrichtungen dieser Art ist die Schaltung über eine elektrische Leitung von nicht unerheblicher Länge, z.B. 2 m, mit dem zweiten Stecker verbunden. Diese Lösung hat den Nachteil, daß in der Leitung deutliche Verluste auftreten können, die häufig unerwünscht sind. Auch kann es passieren, daß die Leitung überlastet wird.In known devices of this type which are on the market, the circuit is of a not inconsiderable length, e.g. 2 m, connected to the second connector. This solution has the disadvantage that significant losses can occur in the line, which are often undesirable. It can also happen that the line is overloaded.
Der Erfindung liegt die Aufgabe zugrunde, die eingangs erwähnte Vorrichtung derart auszubilden, daß Verluste und eventuelle Leitungsüberlastungen so weit wie möglich vermieden werden.The invention has for its object to design the aforementioned device such that losses and possible line overloads are avoided as far as possible.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Schaltung mit dem zweiten Stecker eine in sich starre Baueinheit mit möglichst kurzer elektrischer Verbindung zwischen Schaltung und zweitem Schalter mit möglichst kleinem elektrischen Widerstand bildet.This object is achieved in that the circuit with the second connector forms an inherently rigid unit with the shortest possible electrical connection between the circuit and the second switch with the smallest possible electrical resistance.
Auf diese Weise wird erreicht, daß Verluste und Leitungsüberlastungen praktisch vermieden werden können, letzteres deshalb, weil bei einer kurzen, eingebauten Verbindung der Querschnitt der Verbindung eher entsprechend groß sein kann als bei einer langen, freiliegenden Leitung, die dann unhandlich würde.In this way it is achieved that losses and line overloads can be practically avoided, the latter because with a short, built-in connection, the cross-section of the connection can be rather large than with a long, exposed line that would then be unwieldy.
Als weiterer Vorteil kommt hinzu, daß man besser als im oben erwähnten bekannten Fall zusätzliche Signale (über zusätzliche elektrische Verbindungen) übertragen kann, weil bei der erfindungsgemäßen Vorrichtung die lange Leitung, die bei der bekannten Vorrichtung vorhanden ist, fehlt.Another advantage is that additional signals (via additional electrical connections) can be transmitted better than in the known case mentioned above, because the device according to the invention lacks the long line that is present in the known device.
Eine Weiterentwicklung der Erfindung besteht darin, daß an der Vorrichtung ein Ein/Ausschalter für die Netzspannung angebracht ist. Der Vorteil dieser Lösung gegenüber der eingangs erwähnten Lösung mit Ein/Ausschalter für die Netzspannung besteht darin, daß der Ein/Ausschalter praktisch immer benutzt wird, wenn der Verbraucher ausgeschaltet werden soll . Im bekannten Fall wird der Ein/Ausschalter häufig nicht benutzt, weil sich die Spannungsumwandlungsvorrichtung an schwer zugänglicher bzw. nicht ohne weiteres sichtbarer Stelle, nämlich entfernt vom Verbraucher, befindet. Man läßt also den Verbraucher häufig eingeschaltet und verbraucht damit nutzlos Energie, oder es wird in primitiver Weise der Netzstecker herausgezogen. Wohl nicht zuletzt aus diesem Grunde haben die bekannten Vorrichtungen häufig gar keinen Ein/Ausschalter .A further development of the invention is that an on / off switch for the mains voltage is attached to the device. The advantage of this solution compared to the solution mentioned above with an on / off switch for the mains voltage is that the on / off switch is practically always used when the consumer is to be switched off. In the known case, the on / off switch is often not used because the voltage conversion device is located in a place that is difficult to access or not easily visible, namely away from the consumer. So you often leave the consumer switched on and use useless energy, or the power plug is pulled out in a primitive manner. Not least for this reason, the known devices often have no on / off switch.
Weiterhin wird vorgeschlagen, daß der zweite Stecker mindestens dreipolig ist. Zur Übertragung zusätzlicher Signale ist diese Lösung sinnvoll.It is also proposed that the second connector has at least three poles. This solution is useful for the transmission of additional signals.
Sodann wird vorgeschlagen, daß an der Vorrichtung eine Einrichtung zur Anzeige des Betriebszustandes vorgesehen ist.It is then proposed that a device for displaying the operating state is provided on the device.
Schließlich wird vorgeschlagen, daß der zweite Stecker leicht von dem Rest der Baueinheit entfernbar und gegebenenfalls durch einen anderen austauschbar ist. Auf diese Weise ist es möglich, die erfindungsgemäße Vorrichtung verschiedenen Verbrauchern bequem anzupassen. Weitere Einzelheiten der Erfindung ergeben sich aus der Zeichnung. Darin zeigen dieFinally, it is proposed that the second connector be easily removable from the rest of the assembly and, if necessary, be exchangeable for another. In this way it is possible to conveniently adapt the device according to the invention to different consumers. Further details of the invention emerge from the drawing. In it show the
Fig. 1 und 2 je eine bekannte Vorrichtung zur Spannungsumwandlung;Figures 1 and 2 each a known device for voltage conversion.
Fig. 3 zeigt eine Ausfuhrungsform der erfindungsgemäßen Vorrichtung zur Spannungsumwandlung.3 shows an embodiment of the device for voltage conversion according to the invention.
In allen drei Figuren sind mit 1 ein Netzstecker ("erster Stecker" ) , mit 2 ein zweiter Stecker, der in einen Verbraucher gesteckt werden kann, mit 3 ein Gehäuse, in dem sich eine Schaltung zur Umwandlung der Spannung befindet, mit 4 eine Einrichtung zur Anzeige des Betriebszustandes und mit 5 ein Ein/Ausschalter bezeichnet. In all three figures, 1 is a mains plug ("first plug"), 2 is a second plug that can be plugged into a consumer, 3 is a housing in which a circuit for converting the voltage is located, and 4 is a device to indicate the operating state and 5 denotes an on / off switch.

Claims

Ansprüche Expectations
1. Vorrichtung zur Umwandlung von Netzspannung in Niederspannung, bestehend aus einem ersten in eine Netzsteckdose steckbaren Stecker, einem zweiten in einen Verbraucher steckbaren Stecker und einer Schaltung, weitgehend zwischen den beiden Steckern, zur Spannungsumwandlung, dadurch gekennzeichnet, daß die Schaltung mit dem zweiten Stecker (2) eine in sich starre Baueinheit mit möglichst kurzer elektrischer Verbindung zwischen Schaltung und zweitem Stecker (2) mit möglichst kleinem elektrischen Widerstand bildet.1. Device for converting mains voltage to low voltage, consisting of a first plug in a mains socket, a second plug in a consumer plug and a circuit, largely between the two plugs, for voltage conversion, characterized in that the circuit with the second plug (2) forms a rigid unit with the shortest possible electrical connection between the circuit and the second connector (2) with the smallest possible electrical resistance.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß an dieser ein Ein/Ausschalter (5) für die Netzspannung angebracht ist.2. Device according to claim 1, characterized in that an on / off switch (5) for the mains voltage is attached to this.
3. Vorrichtung nach einem der Ansprüche 1 oder 2 , dadurch gekennzeichnet, daß der zweite Stecker (2) mindestens dreipolig ist.3. Device according to one of claims 1 or 2, characterized in that the second connector (2) is at least three-pole.
4. Vorrichtung nach einem der Ansprüche 1 bis 3 , dadurch gekennzeichnet, daß an dieser eine Einrichtung (4) zur Anzeige des Betriebszustandes vorgesehen ist.4. Device according to one of claims 1 to 3, characterized in that a device (4) for displaying the operating state is provided on this.
5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der zweite Stecker (2) leicht von dem Rest der Baueinheit entfernbar und gegebenenfalls durch einen anderen austauschbar ist.5. Device according to one of claims 1 to 4, characterized in that the second connector (2) is easily removable from the rest of the structural unit and is optionally interchangeable with another.
6. Vorrichtung nach einem der Ansprüche 1 bis 5 , dadurch gekennzeichnet, daß der erste Stecker (1) über eine Leitung mit der Baueinheit verbunden ist.6. Device according to one of claims 1 to 5, characterized in that the first connector (1) is connected via a line to the structural unit.
7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Leitung mit einem dritten Stecker versehen ist, der aus der Baueinheit entfernbar ist. 7. The device according to claim 6, characterized in that the line is provided with a third connector which is removable from the assembly.
8. Vorrichtung nach einem der Ansprüche 1 bis 5 , dadurch gekennzeichnet, daß die Baueinheit in einem Gehäuse (3) untergebracht ist.8. Device according to one of claims 1 to 5, characterized in that the structural unit is accommodated in a housing (3).
9. Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Baueinheit und/oder der Verbraucher Elemente aufweist (aufweisen) , die einen sicheren Halt der Baueinheit an dem Verbraucher gewährleisten.9. Device according to one of claims 1 to 8, characterized in that the structural unit and / or the consumer has (have) elements which ensure a secure hold of the structural unit on the consumer.
10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, daß der Stift bzw. die Stifte des zweiten Steckers und dessen (deren) Aufnahme (n) im Verbraucher so ausgebildet ist (sind) , daß die Baueinheit korrekt gehalten wird. 10. The device according to claim 9, characterized in that the pin or pins of the second connector and its (whose) receptacle (s) is (are) designed so that the structural unit is held correctly.
EP99915485A 1998-02-20 1999-02-16 Device for converting the mains voltage into a lower voltage Expired - Lifetime EP1060559B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19808089 1998-02-20
DE19808089A DE19808089A1 (en) 1998-02-20 1998-02-20 Device for converting mains voltage to low voltage
PCT/DE1999/000467 WO1999043074A1 (en) 1998-02-20 1999-02-16 Device for converting the mains voltage into a lower voltage

Publications (2)

Publication Number Publication Date
EP1060559A1 true EP1060559A1 (en) 2000-12-20
EP1060559B1 EP1060559B1 (en) 2001-12-19

Family

ID=7858978

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99915485A Expired - Lifetime EP1060559B1 (en) 1998-02-20 1999-02-16 Device for converting the mains voltage into a lower voltage

Country Status (6)

Country Link
EP (1) EP1060559B1 (en)
JP (1) JP3340996B2 (en)
AT (1) ATE211322T1 (en)
DE (2) DE19808089A1 (en)
ES (1) ES2165731T3 (en)
WO (1) WO1999043074A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7075779B2 (en) 2003-04-09 2006-07-11 Friwo Mobile Power Gmbh Voltage transformer with hinged housing

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10004050B4 (en) * 2000-01-31 2020-02-20 Sew-Eurodrive Gmbh & Co Kg Pluggable device and connector part for supplying a fan with DC voltage
EP1480500B1 (en) 2003-05-16 2007-05-16 Friwo Mobile Power GmbH Power supply circuit with three dimensionally arranged circuit boards and method of manufacture
DE20309812U1 (en) 2003-06-25 2003-12-04 Friwo Gerätebau Gmbh Plug connection for a mobile device
US20110095728A1 (en) 2009-10-28 2011-04-28 Superior Communications, Inc. Method and apparatus for recharging batteries in a more efficient manner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9943074A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7075779B2 (en) 2003-04-09 2006-07-11 Friwo Mobile Power Gmbh Voltage transformer with hinged housing

Also Published As

Publication number Publication date
JP2002504743A (en) 2002-02-12
EP1060559B1 (en) 2001-12-19
ATE211322T1 (en) 2002-01-15
DE19808089A1 (en) 1999-09-09
ES2165731T3 (en) 2002-03-16
WO1999043074A1 (en) 1999-08-26
JP3340996B2 (en) 2002-11-05
DE59900593D1 (en) 2002-01-31

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