WO2004098015A1 - Surge protection device - Google Patents

Surge protection device Download PDF

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Publication number
WO2004098015A1
WO2004098015A1 PCT/CH2003/000272 CH0300272W WO2004098015A1 WO 2004098015 A1 WO2004098015 A1 WO 2004098015A1 CH 0300272 W CH0300272 W CH 0300272W WO 2004098015 A1 WO2004098015 A1 WO 2004098015A1
Authority
WO
WIPO (PCT)
Prior art keywords
plug
surge protection
sockets
socket
protection device
Prior art date
Application number
PCT/CH2003/000272
Other languages
German (de)
French (fr)
Inventor
Alexandre Ramirez
Original Assignee
Woertz Ag
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 Woertz Ag filed Critical Woertz Ag
Priority to PCT/CH2003/000272 priority Critical patent/WO2004098015A1/en
Priority to AU2003218854A priority patent/AU2003218854A1/en
Priority to DE10393822T priority patent/DE10393822D2/en
Publication of WO2004098015A1 publication Critical patent/WO2004098015A1/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/042—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage comprising means to limit the absorbed power or indicate damaged over-voltage protection device

Definitions

  • the present invention relates to an overvoltage protection device for apparatus, in particular sensitive electronic apparatus, which are connected to the network via multiple sockets or power strips, with a
  • Sensitive electronic devices e.g.
  • sockets and socket strips are offered, which are provided with built-in surge protection devices, or on the other hand intermediate sockets with surge protection are built for a connection. If an impermissible overvoltage occurs, these complex components become unusable as a whole or have to be repaired with great effort (repair time!).
  • Fig. 2 schematically shows a device according to the invention in a diagrammatic representation.
  • the overvoltage protection plug which can subsequently be plugged into a multiple socket or a power strip has, as shown in FIG. 1, a simple circuit which is cast into a plug housing 1.
  • the circuit contains a robust varistor 2, a device fuse 3, and a green LED 4 and a red LED 5.
  • the circuit has two end contacts designed as contact pins 6, 7, which allow the device, ie the plug, to be plugged into a socket.
  • the two contact pins 6, 7 are intended for the phase conductor and for the neutral conductor.
  • the Surge protection plug can therefore be used for Sockets L + N and Sockets L + N + PE.
  • the green LED 4 lights up during normal operation. Lightning strike or switching on and off of strong electrical currents an overvoltage, this is absorbed by the varistor. If the overvoltage is so strong that the varistor is destroyed, the green LED 4 goes out, the device fuse 3 blows and the red LED 5 lights up and indicates the defect. The overvoltage protection plug has thus done its job and needs to be replaced.

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Disclosed is a surge protection device for multiple power outlets or power strips. Said surge protection device is embodied as a plug (1) that can be plugged in at a later time. The protection circuit (2-5) is cast into the plug member along with the terminal contacts (6, 7) that protrude from the housing. The simple, inexpensive device can be replaced as simply as a plug.

Description

Uberspannungsschutz-GerätOvervoltage protection device
Die vorliegende Erfindung betrifft ein Überspannungsschutz- Gerät für Apparate, insbesondere empfindliche elektronische Apparate, welche über Mehrfachsteckdosen bzw. Steckdosen- leisten an das Netz angeschlossen werden, mit einerThe present invention relates to an overvoltage protection device for apparatus, in particular sensitive electronic apparatus, which are connected to the network via multiple sockets or power strips, with a
Überspannungs-Schutzschaltung mit Varistor, Gerätesicherung und LED-Anzeigen für die Zustandsanzeige.Overvoltage protection circuit with varistor, device fuse and LED displays for the status display.
Steckdosenleisten und fest installierte Mehrfachsteckdosen sind selten mit einem eingebauten Überspannungsschutz aus- gerüstet. Empfindliche elektronische Apparate, wie z.B.Socket strips and permanently installed multiple sockets are rarely equipped with built-in surge protection. Sensitive electronic devices, e.g.
Fernseher und Computer, müssen deshalb oft über ungeschützte Steckdosen an das Netz angeschlossen werden.Televisions and computers therefore often have to be connected to the mains via unprotected sockets.
Um diesem Nachteil zu begegnen, werden einerseits Mehrfachsteckdosen und Steckdosenleisten angeboten, welche mit ein- gebauten Überspannungsschutz-Einrichtungen versehen sind oder andererseits Zwischensteckdosen mit Überspannungsschutz für einen Anschluss gebaut. Bei Auftreten einer unzulässigen Überspannung werden diese aufwändigen Bauteile als Ganzes unbrauchbar oder müssen unter grossem Aufwand repariert werden (Instandstellungszeit ! ) .In order to counter this disadvantage, on the one hand multiple sockets and socket strips are offered, which are provided with built-in surge protection devices, or on the other hand intermediate sockets with surge protection are built for a connection. If an impermissible overvoltage occurs, these complex components become unusable as a whole or have to be repaired with great effort (repair time!).
Aufgabe der vorliegenden Erfindung war es nun, ein das Problem einfach und kostengünstig lösendes Gerät zu entwickeln.It was an object of the present invention to develop a device which simply and inexpensively solves the problem.
Diese Aufgabe wurde mit einem Gerät der eingangs definier- ten Art überraschend einfach gelöst, indem dieses erfin- dungsgemäss als nachträglich steckbarer Stecker mit den Merkmalen gemäss dem kennzeichnenden Teil des Patentanspruches ausgebildet wurde. Ein solcher kostengünstiger Überspannungsschutz-Stecker lässt sich einfach in eine Steckdose einer Mehrfachsteckdose oder einer Steckdosenleiste einstecken und schützt damit alle übrigen, parallel geschalteten Steckdosen der jeweili- gen Steckdosenkombination vor einer zerstörerischen Überspannung.This task was solved surprisingly simply with a device of the type defined in the introduction, in that it was designed according to the invention as a subsequently pluggable plug with the features according to the characterizing part of the patent claim. Such an inexpensive surge protection plug can simply be plugged into a socket of a multiple socket or a socket strip and thus protects all other, parallel-connected sockets of the respective socket combination from destructive overvoltage.
Nach eventuellem Auftreten einer schädlichen Überspannung wird dies an einer LED-Anzeige angezeigt und der dann defekte Überspannungsschutz-Stecker kann herausgezogen und durch einen neuen, intakten ersetzt werden.If a harmful overvoltage occurs, this is indicated on an LED display and the defective overvoltage protection plug can be pulled out and replaced with a new, intact one.
Die Erfindung wird nachstehend anhand eines in der Zeichnung schematisch dargestellten Ausführungsbeispiels noch etwas näher erläutert. In der Zeichnung zeigt:The invention is explained in more detail below with reference to an exemplary embodiment shown schematically in the drawing. The drawing shows:
Fig. 1 rein schematisch die Schutzschaltung eines erfin- dungsgemässen Gerätes, welche in einem Steckergehäuse untergebracht ist, und1 purely schematically, the protective circuit of a device according to the invention, which is accommodated in a plug housing, and
Fig. 2 schematisch in schaubildlicher Darstellung ein erfindungsgemässes Gerät.Fig. 2 schematically shows a device according to the invention in a diagrammatic representation.
Der nachträglich in eine Mehrfachsteckdose oder eine Steck- dosenleiste steckbare Überspannungsschutz-Stecker weist, wie Figur 1 zeigt, eine einfache Schaltung auf, die in einem Steckergehäuse 1 eingegossen ist. Die Schaltung enthält einen robusten Varistor 2, eine Gerätesicherung 3, sowie eine grüne LED 4 und eine rote LED 5. Die Schaltung weist zwei als Kontaktstifte 6, 7 ausgebildete Endkontakte auf, welche das Einstecken des Gerätes, d.h. des Steckers in eine Steckdose erlauben. Die beiden Kontaktstifte 6, 7 sind für den Phasenleiter und für den Neutralleiter gedacht. Der Überspannungsschutz-Stecker ist somit für Steckdosen L+N und Steckdosen L+N+PE verwendbar.The overvoltage protection plug which can subsequently be plugged into a multiple socket or a power strip has, as shown in FIG. 1, a simple circuit which is cast into a plug housing 1. The circuit contains a robust varistor 2, a device fuse 3, and a green LED 4 and a red LED 5. The circuit has two end contacts designed as contact pins 6, 7, which allow the device, ie the plug, to be plugged into a socket. The two contact pins 6, 7 are intended for the phase conductor and for the neutral conductor. The Surge protection plug can therefore be used for Sockets L + N and Sockets L + N + PE.
Im normalen Betrieb leuchtet die grüne LED 4. Verursacht z.B. Blitzschlag oder Ein- und Ausschalten starker elektri- scher Ströme eine Überspannung, wird diese vom Varistor aufgefangen. Ist die Überspannung so stark, dass der Varistor zerstört wird, erlischt die grüne LED 4, die Gerätesicherung 3 brennt durch und die rote LED 5 leuchtet auf und zeigt den Defekt an. Der Überspannungsschutz-Stecker hat damit seine Aufgabe erfüllt und muss ausgewechselt werden. The green LED 4 lights up during normal operation. Lightning strike or switching on and off of strong electrical currents an overvoltage, this is absorbed by the varistor. If the overvoltage is so strong that the varistor is destroyed, the green LED 4 goes out, the device fuse 3 blows and the red LED 5 lights up and indicates the defect. The overvoltage protection plug has thus done its job and needs to be replaced.

Claims

Patentanspruch claim
1. Überspannungsschutz-Gerät für Apparate, insbesondere empfindliche elektronische Apparate, welche über Mehrfachsteckdosen bzw. Steckdosenleisten an das Netz angeschlossen werden, mit einer Überspannungs-Schutzschaltung mit Varistor, Gerätesicherung und LED-Anzeigen für die Zustands- anzeige, dadurch gekennzeichnet, dass das Gerät als nachträglich steckbarer Stecker ausgebildet ist, wobei die im Steckergehäuse untergebrachte Schutzschaltung mindestens zwei Endkontakte aufweist, welche als Ausgangskontakte des Steckers ausgebildet sind, sodass der Stecker über diese Ausgangskontakte austauschbar in eine Steckdose einer Mehrfachsteckdose oder einer Steckdosenleiste einsteckbar ist, um dabei die übrigen parallel geschalteten Steckdosen vor zerstörerischer Überspannung zu schützen. 1. Surge protection device for apparatus, especially sensitive electronic apparatus, which are connected to the mains via multiple sockets or power strips, with an overvoltage protection circuit with varistor, device fuse and LED indicators for the status display, characterized in that the device is designed as a subsequently pluggable plug, the protective circuit accommodated in the plug housing having at least two end contacts which are designed as output contacts of the plug, so that the plug can be exchangeably plugged into a socket of a multiple socket or a power strip via these output contacts, in order to connect the remaining ones in parallel Protect sockets from destructive overvoltage.
PCT/CH2003/000272 2003-04-28 2003-04-28 Surge protection device WO2004098015A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/CH2003/000272 WO2004098015A1 (en) 2003-04-28 2003-04-28 Surge protection device
AU2003218854A AU2003218854A1 (en) 2003-04-28 2003-04-28 Surge protection device
DE10393822T DE10393822D2 (en) 2003-04-28 2003-04-28 Overvoltage protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH2003/000272 WO2004098015A1 (en) 2003-04-28 2003-04-28 Surge protection device

Publications (1)

Publication Number Publication Date
WO2004098015A1 true WO2004098015A1 (en) 2004-11-11

Family

ID=33315313

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH2003/000272 WO2004098015A1 (en) 2003-04-28 2003-04-28 Surge protection device

Country Status (3)

Country Link
AU (1) AU2003218854A1 (en)
DE (1) DE10393822D2 (en)
WO (1) WO2004098015A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4089032A (en) * 1976-09-08 1978-05-09 William Dell Orfano Plug-type transient surge suppressor
US4912590A (en) * 1989-05-01 1990-03-27 Westinghouse Electric Corp. Electrical surge suppressor and dual indicator apparatus
US5761021A (en) * 1996-08-16 1998-06-02 Yu; Jeff Voltage surge suppression device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4089032A (en) * 1976-09-08 1978-05-09 William Dell Orfano Plug-type transient surge suppressor
US4912590A (en) * 1989-05-01 1990-03-27 Westinghouse Electric Corp. Electrical surge suppressor and dual indicator apparatus
US5761021A (en) * 1996-08-16 1998-06-02 Yu; Jeff Voltage surge suppression device

Also Published As

Publication number Publication date
DE10393822D2 (en) 2005-11-03
AU2003218854A1 (en) 2004-11-23

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