EP0860918B1 - Überspannungsableiteinrichtung - Google Patents

Überspannungsableiteinrichtung Download PDF

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Publication number
EP0860918B1
EP0860918B1 EP98890030A EP98890030A EP0860918B1 EP 0860918 B1 EP0860918 B1 EP 0860918B1 EP 98890030 A EP98890030 A EP 98890030A EP 98890030 A EP98890030 A EP 98890030A EP 0860918 B1 EP0860918 B1 EP 0860918B1
Authority
EP
European Patent Office
Prior art keywords
electrodes
space
electrode
arrester device
overvoltage arrester
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.)
Expired - Lifetime
Application number
EP98890030A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0860918A1 (de
Inventor
Karl Ing. Suchentrunk
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.)
Felten and Guilleaume Austria AG
Original Assignee
Felten and Guilleaume Austria 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 Felten and Guilleaume Austria AG filed Critical Felten and Guilleaume Austria AG
Publication of EP0860918A1 publication Critical patent/EP0860918A1/de
Application granted granted Critical
Publication of EP0860918B1 publication Critical patent/EP0860918B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
    • H01T4/14—Arcing horns

Definitions

  • the invention relates to a surge arrester comprising two spaced apart electrodes arranged from one another, forming an approach point, and an electrode Housing, which by means of a perforated partition in two rooms is divided, with the electrodes in the first end region of the room in the first room lying approach point are arranged and the second room with at least one Outflow opening for ionized gases formed by between the electrodes Arcs are generated, provided and the two rooms along their entire Extension are arranged in layers next to each other.
  • Such a discharge device becomes parallel to the ones to be protected against overvoltages Circuit components switched, i.e. the first electrode is connected to the lead that second electrode connected to the derivative of the circuit concerned.
  • the two electrodes are at a defined distance from one another, which is from voltage applied to the electrodes is penetrated, provided that this is impermissible high value determined by the size of the electrode spacing. Subsequently An arc arises between the two electrodes, which connects the electrodes and thus and arrester of the circuit connects to each other with relatively low resistance. This will make the voltage between the supply lines to a compared to the The amount of overvoltage is reduced and the energy of the overvoltage is reduced Heat converted.
  • US-PS-2 329 219 discloses a surge arrester according to the preamble of claim 1 and shows a spark gap comprising two electrodes which are fixed to plugs. These plugs are inserted into the end faces of a tube so that the electrodes are spaced apart from one another within the tube. Surrounding the tube is a second tube, the end faces of which are closed with the exception of one outlet opening. Slits are made in the wall of the tube. Due to this construction, US Pat. No.
  • 2,329,219 comprises a first space containing the electrodes (formed by the interior of the first tube); a second second space provided with an outflow opening (formed by the area between the second and the first tube) and a perforated partition between said two spaces (formed by the slotted wall of the first tube).
  • FR-A-818 629 describes a spark extinguishing chamber or gas discharge device of a switching device.
  • the contact pair of each pole section is here in its own
  • this is achieved in that the openings only in second end region of the first space facing away from the approach point and that the outflow opening in the area of the second room is arranged.
  • the ionized gases must cover the entire Flow through the longitudinal dimensions of both rooms before they reach the outside, with which the ionized gases experience particularly efficient cooling.
  • the partition between these two rooms is one of the ionized gases obstacle to be flowed through, in which thermal energy can be dissipated.
  • Such components also contribute to increasing the cooling effect of the chamber.
  • the guide devices, baffle walls and screens can thus be made in one piece with the housing run, which is particularly advantageous for the inexpensive manufacture of the Arrester affects.
  • Metals have a good thermal conductivity and absorption capacity, which means that the named Components such as cooling fins act and ensure particularly effective heat dissipation.
  • the arc running along the spark gap is caused by such electrode elements severed, i.e. converted into a series connection of several arcs.
  • the The maintenance voltage of such arcs is much higher than that of one Single arc, so that the normal supply voltage no longer burn can leave and thus usually the subsequent follow-up currents of the overvoltage can be limited and interrupted.
  • the first electrode is rigid and the second electrode is fixed movably in the housing, that in the approach point an intermediate film lying on the first electrode is arranged and that the second electrode by means of an elastic member, such as. Feather, is movable in the direction of the first electrode and can be pressed against the intermediate film.
  • this arrangement can be used an exact electrode spacing independent of manufacturing tolerances and thus the height the ignition voltage can be specified relatively accurately.
  • such an arrangement can reduce the risk of the Arc from the deionization chamber formed by the electrode elements into the Proximity of the spark gap can be reduced; besides the running away of the Arc promoted from the approach point into the deionization chamber.
  • the elastic component is formed by a coil spring.
  • This type of spring can exert a relatively large force on the second electrode be, which allows a reliable pressing of the electrode on the intermediate film.
  • the surge arrester according to Fig.1 comprises two electrodes 1 u. 2 that are arranged at a distance from one another in a housing 3. At these electrodes are 1,2 The supply and discharge of the front via only symbolically illustrated supply lines 4, 5 impermissibly high overvoltages connected to the protective circuit.
  • a cuboid housing 3 was used, except for the Opening 6 and other openings, not shown, for the supply lines 4,5 in themselves is closed, but for the purpose of clearer representation parallel to the image plane was cut.
  • the voltage applied to the electrodes 1, 2 is high enough, the voltage in the Proximity point 7 is ionized air and it comes to further Formation of an arc between the two electrodes 1, 2. That arc now warms its surroundings so that it can form hot ionized gases comes within the housing 3, which can flow out through the opening 6 to the outside.
  • said opening 6 at some distance from the two Arrange electrodes 1, 2 so that between electrodes 1, 2 and outflow opening 6 there is a chamber 8 through which the ionized gases must flow.
  • the size the opening 6 is expediently to be chosen so large that the gases are sufficient can flow out quickly, i.e. that there is no impermissibly high, the destruction of the housing 3 causing excess pressure to build up inside the housing.
  • the only one Outflow opening 6 can of course also have a plurality in order to achieve this goal step out of openings.
  • the approach point 7 formed by the electrodes 1, 2 is in the first end region the chamber 8 is arranged, the outflow opening 6 is located in the second end region thereof Chamber 8.
  • the ionized gases must therefore cover the entire length of chamber 8 flow through.
  • the ionized gases in them When flowing through said chamber 8, the ionized gases in them cool They indicate stored heat via the chamber atmosphere and the housing walls the environment, so that it only a relatively small amount when it emerges from the opening 6 Have energy content.
  • Flow guide devices 9 are provided. They are platelet-shaped and so arranged to direct the ionized gases along a meandering path. This The path is now significantly longer than that in FIG. 1 from the approach point 7 to the opening 6 leading path, whereby in the embodiment according to Fig.2 a significantly stronger Cooling of the gases is achievable.
  • Another option is to use metals such as To use copper, iron or the like, since these materials are good heat conductors and have heat storage capacity, whereby the gases flowing around them are cooled even more effectively.
  • the housing interior of the exemplary embodiment according to FIG. 2 is not made in one piece, rather a partition 12 is provided which divides the housing 3 into two Rooms 13 and 8 divided.
  • the first room 13 are the two already described Arranged electrodes 1,2, which are shaped here so that they are an approach point 7 and form an adjoining horn spark gap 14.
  • Approach point 7 arcing is caused by the acting on it, from Current flow through the electrodes 1, 2 and the magnetic forces caused by them moves along the horn spark gap 14, which is a widening and ultimately a Tear off the arc.
  • the hot ionized gases generated in room 13 can through openings 15 of the partition 12 in the room 8, which is described Cooling chamber forms, overstepping.
  • the electrodes 1, 2 can be described here as in all the others Embodiments of any materials that have sufficient electrical Have conductivity, be formed. As particularly preferred materials for the Area of the spark gap 14 copper, iron, copper coated with iron, a sintered Tungsten-iron or tungsten-copper composite or the like can be specified. there combinations of these materials are also possible, which electrodes 1, 2 can have different materials in some areas.
  • 3a, b and 4 is a particularly preferred one, already for installation in a control cabinet suitable embodiment of the invention shown.
  • the two rooms 13 and 8 are arranged next to each other in layers.
  • the 3a spark gap 14 shown in plan comes to lie parallel to chamber 8, the resulting assembly thus has one with a multi-pole Miniature circuit breakers of comparable construction, in which the individual pole sections in be juxtaposed in the same way.
  • the housing 3 required for this again has a partition 12 with openings 15 on the first surface 121 on the left in FIG. 4, the chamber 8 with its Guide devices 9 and optionally baffles 10 and sieves 11 is constructed. At the the second surface 122 on the right in FIG. 4, the spark gap 14 is arranged. Both For operation, rooms 13, 8 must of course also be parallel to the image plane of FIGS. 3a, b running lids are closed, but not for the sake of clarity were shown.
  • the spark gap 14 used in this exemplary embodiment is analogous to FIG Horn spark gap configured, in addition here are the approach point 7 opposite end of electrode elements 16 provided in the of the electrodes 1,2 limited space protrude at least, but preferably entirely within of this room.
  • the electrode elements 16 are not bound to any specifications in order to be able to narrow space between the electrodes 1, 2 as many such electrode elements 16 as possible to accommodate, they are designed as parallel plates. Through this Electrode elements 16 will "cut" the arc into a plurality in series partial arcs switched to one another, which leads to faster extinguishing of the Arc is.
  • Electrodes 1, 2, which at their approach point 7 Having a spark gap 14 in the form of a horn spark gap is a preferred one Embodiment represents, but can also with a housing structure according to Fig.3a, b and 4 any other electrodes 1,2 are used.
  • the approach point 7 formed by the electrodes 1, 2 is in the first End region of the first room 13 arranged.
  • the two rooms 13, 8 lie alongside one another in layers along their entire extent.
  • the openings 15 of the partition 12th exclusively in the end region of the first room 13 facing away from the approach point 7 are arranged and that at the same time the outflow opening 6 in the approach point 7 adjacent area of the second room 8 is provided.
  • This type of arrangement of openings 15 and outflow opening 6 means that ionized gases first the entire longitudinal extent of the electrode space 13 and then flow through the entire longitudinal extent of the gas cooling space 8. So that will despite the small geometric dimensions of the housing 3, a particularly long residence time of the ionized gases in the housing 3 reached. During this dwell time, the ionized gases cover a relatively long way, on which they cover large areas with the Housing 3 and the guide devices 9 come into contact.
  • the cooling of the ionized gases to be achieved in accordance with the invention task is thereby achieved to a particularly large extent.
  • the actually resulting electrode distance in the approach point 7 depends directly from the manufacturing tolerances that always occur with electrodes 1, 2 and housing 3.
  • Electrode distance depends - can only be specified relatively imprecisely.
  • the invention provides for the first electrode 1 to be rigid To define housing 3, the second electrode 2, however, to a small extent to move hold. Furthermore, there is an elastic component 18 which, according to FIG. 3a, is designed as a helical spring is provided, which presses the second electrode 2 in the direction of the first electrode 1.
  • an intermediate film 17 is in contact with the first electrode 1 arranged. Due to the explained elastic component 18, the second electrode 2 is now on said intermediate film 17 pressed so that the actual electrode distance alone from the The thickness of this intermediate film 17 is independent of the manufacturing tolerances of the electrodes 1, 2 or of the housing 3- is determined. After the intermediate film 17 with a very accurate predeterminable thickness can be produced, the predetermined electrode distance can now can be realized much more precisely.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Thermistors And Varistors (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Power Steering Mechanism (AREA)
  • Measuring Fluid Pressure (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Elimination Of Static Electricity (AREA)
EP98890030A 1997-02-12 1998-02-11 Überspannungsableiteinrichtung Expired - Lifetime EP0860918B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT227/97 1997-02-12
AT22797 1997-02-12
AT0022797A AT405112B (de) 1997-02-12 1997-02-12 Überspannungsableiteinrichtung

Publications (2)

Publication Number Publication Date
EP0860918A1 EP0860918A1 (de) 1998-08-26
EP0860918B1 true EP0860918B1 (de) 2001-05-16

Family

ID=3484935

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98890030A Expired - Lifetime EP0860918B1 (de) 1997-02-12 1998-02-11 Überspannungsableiteinrichtung

Country Status (9)

Country Link
EP (1) EP0860918B1 (pl)
AT (2) AT405112B (pl)
CZ (1) CZ38898A3 (pl)
DE (1) DE59800708D1 (pl)
ES (1) ES2159429T3 (pl)
GR (1) GR3036371T3 (pl)
PL (1) PL188294B1 (pl)
PT (1) PT860918E (pl)
SK (1) SK18298A3 (pl)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10164025B4 (de) * 2001-08-21 2005-08-25 Dehn + Söhne Gmbh + Co. Kg Gekapselter, Netzfolgestrom begrenzender Überspannungsableiter auf Funkenstreckenbasis
WO2012016804A1 (de) 2010-08-04 2012-02-09 Dehn + Söhne Gmbh + Co. Kg Hörnerfunkenstrecken-blitzstromableiter mit deionkammer
DE102013224720A1 (de) 2013-12-03 2015-06-03 J. Pröpster GmbH Überspannungsableiteinrichtung mit einem Überspannungsableiter und einer Löscheinheit

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19845889B4 (de) 1998-10-06 2007-03-01 Dehn + Söhne GmbH + Co KG Funkenstreckenanordnung
DE50212026D1 (de) * 2001-08-21 2008-05-15 Dehn & Soehne Gekapselter, netzfolgestrom begrenzender überspannungsableiter auf funkenstreckenbasis
FR2840448B1 (fr) * 2002-05-30 2004-07-23 Schneider Electric Ind Sas Dispositif de protection contre les surtensions
FR2843243B1 (fr) * 2002-08-05 2004-11-05 Soule Protection Surtensions Dispositif de protection d'un reseau de distribution d'energie electrique
FR2880468B1 (fr) * 2005-01-04 2007-04-06 Soule Prot Surtensions Sa Appareil de protection d'une installation electrique a capacite de coupure amelioree
DE102005015401B4 (de) * 2005-01-10 2014-03-20 Dehn + Söhne Gmbh + Co. Kg Überspannungsableiter mit zwei divergierenden Elektroden und einer zwischen den Elektroden wirkenden Funkenstrecke
DE102007015932A1 (de) * 2007-01-04 2008-07-10 Dehn + Söhne Gmbh + Co. Kg Gekapselte, druckfest ausgeführte, nicht hermetisch dichte Hochleistungsfunkenstrecke
US8563888B2 (en) 2008-06-11 2013-10-22 General Electric Company Arc containment device and method
DE102010033764A1 (de) * 2010-06-01 2011-12-01 Dehn + Söhne Gmbh + Co. Kg Gehäuseanordnung für mehrpolige Überspannungsschutzgeräte
DE102011102257B4 (de) * 2010-08-04 2016-05-19 Dehn + Söhne Gmbh + Co. Kg Hörnerfunkenstrecke mit Deionkammer
DE102014209261A1 (de) * 2014-05-15 2015-11-19 Phoenix Contact Gmbh & Co. Kg Funkenstreckenanordnung mit verbesserter Kühlung
DE102014215282B3 (de) * 2014-08-04 2015-10-01 Phoenix Contact Gmbh & Co. Kg Kombiniertes Überspannungsschutzgerät mit einer integrierten Funkenstrecke
DE102019209477B4 (de) * 2019-06-28 2021-01-21 Dehn Se + Co Kg Blitzschutz-Funkenstrecke

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
BE426422A (pl) * 1937-03-02
DE897444C (de) * 1939-03-01 1953-11-23 Aeg UEberspannungsableiter mit einer Ausblase-Roehrenfunkenstrecke
US2329219A (en) * 1942-01-20 1943-09-14 Glenn B Roloson Lightning arrester, gas flow type
CH391069A (de) * 1961-03-23 1965-04-30 Licentia Gmbh Magnetisch beblasene Löschfunkenstrecke für Überspannungsableiter
DE2741868C2 (de) * 1977-09-15 1982-11-25 Siemens AG, 1000 Berlin und 8000 München Lichtbogenkammer mit Lichtbogenlaufschienen und perforierten Keramikplatten
DE3375857D1 (en) * 1982-11-10 1988-04-07 Mitsubishi Electric Corp Switch with arc-extinguishing means
US4618751A (en) * 1984-12-21 1986-10-21 Square D Company Arc extinguishing assembly
DE3829650A1 (de) * 1988-09-01 1990-03-15 Telefunken Systemtechnik Kombinierte loeschfunkenstrecke
DE9115905U1 (de) * 1991-12-21 1993-04-22 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Leitungsschutzschalter mit einer Lichtbogenkammer
DE4236538A1 (de) * 1992-10-22 1994-04-28 Siemens Ag Gekapselte Funkenstrecke
JP2888754B2 (ja) * 1993-05-31 1999-05-10 フェニックス、コンタクト、ゲゼルシャフト、ミット、ベシュレンクテル、ハフツング、ウント、コンパニー 過電圧保護装置
DE69309466T2 (de) * 1993-10-15 1997-10-23 Hager Electro Doppelte Lichtbogenlaufschiene für die Lichtbogenleitkammer eines Schutzschalters
DE4403355A1 (de) * 1994-02-03 1995-08-10 Gec Alsthom T & D Gmbh Lichtbogenabsorber
DE4439730C2 (de) * 1994-10-17 1996-09-26 Phoenix Contact Gmbh & Co Überspannungsschutzelement

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10164025B4 (de) * 2001-08-21 2005-08-25 Dehn + Söhne Gmbh + Co. Kg Gekapselter, Netzfolgestrom begrenzender Überspannungsableiter auf Funkenstreckenbasis
WO2012016804A1 (de) 2010-08-04 2012-02-09 Dehn + Söhne Gmbh + Co. Kg Hörnerfunkenstrecken-blitzstromableiter mit deionkammer
DE102011051738A1 (de) 2010-08-04 2012-02-09 Dehn + Söhne Gmbh + Co. Kg Hörnerfunkenstrecken-Blitzstromableiter mit Deionkammer
DE102011051738B4 (de) 2010-08-04 2023-05-04 Dehn Se Hörnerfunkenstrecken-Blitzstromableiter mit Deionkammer
DE102013224720A1 (de) 2013-12-03 2015-06-03 J. Pröpster GmbH Überspannungsableiteinrichtung mit einem Überspannungsableiter und einer Löscheinheit

Also Published As

Publication number Publication date
EP0860918A1 (de) 1998-08-26
ATE201288T1 (de) 2001-06-15
PT860918E (pt) 2001-11-30
PL188294B1 (pl) 2005-01-31
DE59800708D1 (de) 2001-06-21
CZ38898A3 (cs) 1998-12-16
ES2159429T3 (es) 2001-10-01
ATA22797A (de) 1998-09-15
GR3036371T3 (en) 2001-11-30
PL324741A1 (en) 1998-08-17
SK18298A3 (en) 1998-10-07
AT405112B (de) 1999-05-25

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