Global Patent Index - EP 3552282 B1

EP 3552282 B1 20201104 - OVERVOLTAGE PROTECTION ARRANGEMENT CONSISTING OF A HORN SPARK GAP ACCOMMODATED IN AN INSULATING HOUSING

Title (en)

OVERVOLTAGE PROTECTION ARRANGEMENT CONSISTING OF A HORN SPARK GAP ACCOMMODATED IN AN INSULATING HOUSING

Title (de)

ÜBERSPANNUNGSSCHUTZANORDNUNG, BESTEHEND AUS EINER IN EINEM ISOLIERENDEN GEHÄUSE BEFINDLICHEN HÖRNERFUNKENSTRECKE

Title (fr)

ENSEMBLE DE PROTECTION CONTRE LES SURTENSIONS CONSTITUÉ D'UN ÉCLATEUR À CORNES SE TROUVANT DANS UN BOÎTIER D'ISOLATION

Publication

EP 3552282 B1 20201104 (DE)

Application

EP 19702435 A 20190130

Priority

  • DE 102018104467 A 20180227
  • DE 102018116354 A 20180705
  • EP 2019052222 W 20190130

Abstract (en)

[origin: WO2019166170A1] The invention relates to an overvoltage protection arrangement consisting of a horn spark gap accommodated in an insulating housing (1) having a deion chamber. A trigger electrode is located in the ignition area of the horn spark gap. A varistor is also present, electrically connected in series to the horn spark gap. According to the invention, a first and a second disconnection apparatus are formed in the housing, wherein the first disconnection apparatus (2) is in heat-conducting connection with the varistor and, when a limit temperature is reached or exceeded, releases a spring-loaded slide (3) which interrupts the series connection between varistor and horn spark gap. Furthermore, the second disconnection apparatus (13) comprises a fusible conductor which is located inside the deion chamber, for example, and can be exposed there to an arc, wherein the fusible conductor holds a spring-loaded disconnector element (14) in a first position and releases this disconnector element (14) when fused as a result of the effects of the arc in such a manner that the disconnector element (14) adopts a second position, wherein an electrical connection to the trigger electrode is interrupted when the second position is reached. A three-pointed, rotatably mounted star or a circular disc with lugs or prongs is formed in the housing such that a first star point (7) is carried along by the slide (3) as it moves to interrupt the series connection. In the same way, a second star point (16) is carried, as the disconnector element (14) moves, from the first to the second position, wherein each movement of the star results in a rotation of the star around its axis of rotation (17) with the consequence that a third point of the star (10) releases a spring-loaded pivoting lever (8) which operates a remote signalling contact (11) and/or a visual fault status display (12).

IPC 8 full level

H01T 1/02 (2006.01); H01T 1/14 (2006.01); H01T 1/16 (2006.01); H01T 2/02 (2006.01); H01T 4/14 (2006.01)

CPC (source: EP US)

H01C 7/12 (2013.01 - EP US); H01C 7/126 (2013.01 - EP); H01H 85/165 (2013.01 - US); H01H 85/44 (2013.01 - EP US); H01T 1/02 (2013.01 - EP US); H01T 1/14 (2013.01 - EP); H01T 1/16 (2013.01 - EP); H01T 2/02 (2013.01 - EP); H01T 4/04 (2013.01 - US); H01T 4/14 (2013.01 - EP US); H01H 2037/763 (2013.01 - EP); H01H 2085/0486 (2013.01 - EP US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

DE 202018106960 U1 20190103; CN 111052521 A 20200421; CN 111052521 B 20210914; DE 102018116354 A1 20190829; EP 3552282 A1 20191016; EP 3552282 B1 20201104; ES 2845279 T3 20210726; JP 2020537804 A 20201224; JP 6967658 B2 20211117; PL 3552282 T3 20210531; SI 3552282 T1 20210331; US 11152769 B2 20211019; US 2021151957 A1 20210520; WO 2019166170 A1 20190906

DOCDB simple family (application)

DE 202018106960 U 20180705; CN 201980003998 A 20190130; DE 102018116354 A 20180705; EP 19702435 A 20190130; EP 2019052222 W 20190130; ES 19702435 T 20190130; JP 2020505378 A 20190130; PL 19702435 T 20190130; SI 201930024 T 20190130; US 201916622611 A 20190130