EP0312729A1 - Dispositif de protection thermique pour dérivateur de surtension incorporé dans un magasin de dérivateurs pour lignes téléphoniques - Google Patents

Dispositif de protection thermique pour dérivateur de surtension incorporé dans un magasin de dérivateurs pour lignes téléphoniques

Info

Publication number
EP0312729A1
EP0312729A1 EP88113259A EP88113259A EP0312729A1 EP 0312729 A1 EP0312729 A1 EP 0312729A1 EP 88113259 A EP88113259 A EP 88113259A EP 88113259 A EP88113259 A EP 88113259A EP 0312729 A1 EP0312729 A1 EP 0312729A1
Authority
EP
European Patent Office
Prior art keywords
surge arrester
surge
protection device
chamber
spring
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
EP88113259A
Other languages
German (de)
English (en)
Other versions
EP0312729B1 (fr
Inventor
Lutz Biederstedt
Manfred Müller
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.)
ADC GmbH
Original Assignee
Krone 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 Krone GmbH filed Critical Krone GmbH
Priority to AT88113259T priority Critical patent/ATE69126T1/de
Publication of EP0312729A1 publication Critical patent/EP0312729A1/fr
Application granted granted Critical
Publication of EP0312729B1 publication Critical patent/EP0312729B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • H01T1/00—Details of spark gaps
    • H01T1/14—Means structurally associated with spark gap for protecting it against overload or for disconnecting it in case of failure

Definitions

  • the invention relates to a thermal protection device according to the preamble of claim 1.
  • a thermal protection device of this type is previously known from DE 27 38 078 A1.
  • the melting element is designed as a sleeve surrounding the overvoltage conductor, which is pierced by the spring arms of the bow spring in the event of an overvoltage.
  • the disadvantage here is that the melting element forms an additional component, which must also be adapted precisely to the shape of the surge arrester. Furthermore, leakage currents can flow between the spring arms of the bow spring and the contacts of the surge arrester.
  • a non-generic thermal protection device wherein which of the surge arrester is not inserted into a chamber of a housing body.
  • cup-shaped melting elements are arranged here for receiving compression springs, which connect two yoke-like contact plates to one another.
  • the base parts of the cup-shaped melting elements melt, as a result of which the springs connect the yoke-like contact plates to one another.
  • the disadvantage here is that the cup-shaped melting elements form additional components.
  • the invention is therefore based on the object of providing a thermal protection device of the generic type in which only as few and simple components as possible are required and leakage currents between the bow spring and the contacts of the surge arrester are avoided.
  • the Schelzelement is formed from a partition between the two chambers for receiving the surge arrester and the bow spring made of thermoplastic material, which forms a simple and, above all, easy to replace component. Due to the arrangement of the bow spring in the separate chamber, there is also sufficient electrical separation between the bow spring and the contacts of the surge arrester, so that no leakage currents can occur. The surge arrester can also be used again after a surge.
  • the one-piece design of the partition wall with the housing body creates a possibility of inserting or removing the surge arrester in the surge arrester magazine independently of the bow spring. This significantly reduces the loading time of the surge arrester magazines.
  • the surge arrester magazine 11 consists of a housing body 13 made of thermoplastic material and a metallic earth rail 12.
  • one or more chambers 14, which are open at the top, are provided for receiving surge arresters 6, which are preferably arranged next to one another in a row.
  • the chambers 14 are assigned chambers 9 for receiving bow springs 3.
  • the inner contour of the chamber 14 is adapted to the cylindrical surge arrester 6, which has contacts 7, 8 on both end faces.
  • the cylindrical chamber 14 is closed at the bottom by the earth rail 12 extending over the entire bottom surface of the housing body 13, so that the contact 7 of the surge arrester 6 inserted into the chamber 14 is electrically connected to the earth rail 12.
  • a contact spring 15 connected to a telecommunication cable bears against the other contact 8 of the surge arrester 6 on the upper side 16 of the housing body 13. The contact spring 15 resiliently presses the surge arrester 6 against the earth rail 12, which is thus held clamped in the chamber 14.
  • a further rectangular, upwardly open chamber 9 is provided, which, in contrast to chamber 14, is closed on the bottom and thus has no connection to earth rail 12. Both chambers 9, 14 are separated from one another by a thin partition 1 made of a thermoplastic plastic of the housing body 13.
  • a U-shaped bow spring 3 with two spring arms 4, 5 is inserted into the chamber 9, which is open at the top, in such a way that the spring arms 4, 5 point in the direction of the partition wall 2.
  • the ends of the spring arms 4, 5 are now assigned to the contacts 7, 8 of the surge arrester 6 and are only separated from one another by the partition 2.
  • the bow spring 3 is slightly biased so that the two spring arms 4, 5 of the bow spring 3 are pressed at right angles against the partition 1.
  • the overcurrent flows via the contact spring 15 to the contact 8 of the surge arrester 6.
  • the contact spring 15 There is a gas spark gap between the one contact 8 and the other contact 7 of the surge arrester, so that an arc arises between the contacts 7, 8 of the surge arrester 6. Since the contact 7 rests directly on the earth rail 12, the resulting overcurrent is dissipated to earth.
  • a further chamber 9 with the U-shaped bow spring 3 is provided next to each chamber 14 receiving a surge arrester 6. Due to the heating of the surge arrester 6 at high temperatures, the dividing wall 1 delimiting the two chambers 9, 14 becomes plastic, so that the spring arms 4,5 of the bow spring 3 pressing against the dividing wall 1 under a spring force penetrate the dividing wall 1. An electrical connection between the bow spring 3 and the surge arrester 6 is thus established since the spring arm 4 meets the contact 8 and the spring arm 5 of the bow spring 3 meets the contact 7 of the surge arrester 6. The arc formed in the gas spark gap of the surge arrester 6 is thus short-circuited by the bow spring 3, as a result of which the overcurrent can flow off directly to the earth potential.
  • the partition 1 has a minimum thickness of approximately 0.3 mm.
  • the partition is designed as an individual part which can be inserted between the two chambers 9, 14.

Landscapes

  • Fuses (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Thermistors And Varistors (AREA)
  • Protection Of Static Devices (AREA)
EP88113259A 1987-10-20 1988-08-13 Dispositif de protection thermique pour dérivateur de surtension incorporé dans un magasin de dérivateurs pour lignes téléphoniques Expired - Lifetime EP0312729B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88113259T ATE69126T1 (de) 1987-10-20 1988-08-13 Thermoschutzvorrichtung fuer in ueberspannungsableitermagazine der fernmeldetechnik eingebaute ueberspannungsableiter.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3735837 1987-10-20
DE3735837 1987-10-20
DE3820272 1988-06-10
DE3820272A DE3820272C1 (fr) 1987-10-20 1988-06-10

Publications (2)

Publication Number Publication Date
EP0312729A1 true EP0312729A1 (fr) 1989-04-26
EP0312729B1 EP0312729B1 (fr) 1991-10-30

Family

ID=25861018

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88113259A Expired - Lifetime EP0312729B1 (fr) 1987-10-20 1988-08-13 Dispositif de protection thermique pour dérivateur de surtension incorporé dans un magasin de dérivateurs pour lignes téléphoniques

Country Status (17)

Country Link
US (1) US4887183A (fr)
EP (1) EP0312729B1 (fr)
JP (1) JPH01109626A (fr)
CN (1) CN1012867B (fr)
AR (1) AR241296A1 (fr)
AT (1) ATE69126T1 (fr)
AU (1) AU606223B2 (fr)
BR (1) BR8805396A (fr)
CA (1) CA1330826C (fr)
DE (2) DE3820272C1 (fr)
ES (1) ES2026980T3 (fr)
GR (1) GR3003039T3 (fr)
HK (1) HK84092A (fr)
IN (1) IN169696B (fr)
MX (1) MX164630B (fr)
RU (1) RU2024136C1 (fr)
YU (1) YU47295B (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2696581A1 (fr) * 1992-10-06 1994-04-08 Mars Actel Module de protection tripolaire à fusible de court-circuit.
DE19519785C1 (de) * 1995-05-30 1996-08-29 Quante Ag Steckbarer Überspannungsschutz
DE19622461A1 (de) * 1996-05-24 1997-11-27 Siemens Ag Gasgefüllter Überspannungsableiter mit äußerer Kurzschlußeinrichtung
EP0845843A1 (fr) * 1996-11-29 1998-06-03 Soule Materiel Electrique Dispositif de protection pour lignes téléphoniques
WO1998037605A1 (fr) * 1997-02-21 1998-08-27 Siemens Aktiengesellschaft Limiteur de surtension rempli de gaz et dote d'un court-circuiteur externe
EP3358577A1 (fr) * 2012-06-19 2018-08-08 Raycap Intellectual Property, Ltd. Dispositifs de protection contre les surtensions comprenant une varistance et deux mécanismes de déclanchement

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6430019B1 (en) 1998-06-08 2002-08-06 Ferraz S.A. Circuit protection device
US6040971A (en) * 1998-06-08 2000-03-21 Martenson; Kenneth R. Circuit protection device
US6166894A (en) * 1999-03-15 2000-12-26 Lucent Technologies Inc. PCB based protector cartridge
US6304166B1 (en) * 1999-09-22 2001-10-16 Harris Ireland Development Company, Ltd. Low profile mount for metal oxide varistor package and method
US7477503B2 (en) * 2005-04-30 2009-01-13 Efi Electronics Corporation Circuit protection device
AU2006277738A1 (en) * 2005-08-05 2007-02-15 Kiwa Spol. S R.O. Overvoltage protection with status signalling
DE102007051854B4 (de) * 2006-11-09 2017-05-04 Dehn + Söhne Gmbh + Co. Kg Überspannungsableiter mit einem Gehäuse und mit mindestens einem Ableitelement
US7483252B2 (en) * 2006-12-05 2009-01-27 Ferraz Shawmut S.A. Circuit protection device
US8064182B2 (en) * 2007-02-28 2011-11-22 Adc Telecommunications, Inc. Overvoltage protection plug
US7946863B2 (en) 2008-04-25 2011-05-24 Adc Telecommunications, Inc. Circuit protection block
US8411404B2 (en) * 2008-05-27 2013-04-02 Adc Telecommunications, Inc. Overvoltage protection plug
FR2958787B1 (fr) * 2010-04-09 2012-05-11 Abb France Dispositif de protection contre les surtensions a deconnecteurs thermiques dedoubles
FR2958789B1 (fr) * 2010-04-09 2012-05-11 Abb France Dispositif de protection contre les surtensions transitoires a deconnecteur thermique ameliore
DE102010036909B3 (de) * 2010-08-06 2012-02-16 Phoenix Contact Gmbh & Co. Kg Thermische Überlastschutzvorrichtung
US8477468B2 (en) 2011-11-04 2013-07-02 Mersen Usa Newburyport-Ma, Llc Circuit protection device
US8810988B2 (en) 2011-11-04 2014-08-19 Mersen Usa Newburyport-Ma, Llc Circuit protection device
CN103986140A (zh) * 2014-05-09 2014-08-13 广西南宁百兰斯科技开发有限公司 一种插片式防雷器
US9520709B2 (en) 2014-10-15 2016-12-13 Schneider Electric USA, Inc. Surge protection device having two part ceramic case for metal oxide varistor with isolated thermal cut off

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2738078A1 (de) * 1976-08-31 1978-03-09 Tii Corp Fehlersichere ueberspannungsschutzvorrichtung
EP0040522A1 (fr) * 1980-05-16 1981-11-25 The M-O Valve Company Limited Dérivateur de surtensions
US4402031A (en) * 1981-12-07 1983-08-30 Porta Systems Corp. Gas tube protector module
EP0146207A2 (fr) * 1983-12-06 1985-06-26 Dubilier Plc Perfectionnements aux composants électriques

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034326A (en) * 1975-04-17 1977-07-05 Comtelco (U.K.) Limited Temperature sensitive trip device
US4056840A (en) * 1976-05-12 1977-11-01 Reliable Electric Company Line protector for communications circuit
DE2911109C3 (de) * 1979-03-21 1982-03-04 Siemens AG, 1000 Berlin und 8000 München Überspannungsableiter für mehrere gemeinsam abzusichernde Leitungen
DE2911110A1 (de) * 1979-03-21 1980-09-25 Siemens Ag Gasentladungs-ueberspannungsableiter mit fail-safe-verhalten
US4233641A (en) * 1979-04-06 1980-11-11 Reliable Electric Company Line protector for a communications circuit
US4449156A (en) * 1982-09-24 1984-05-15 Porta Systems Corp. Telephone central office gas tube replacement protector
DE3410610A1 (de) * 1984-03-22 1985-09-26 Siemens AG, 1000 Berlin und 8000 München Sicherungselement fuer leitungen der elektrischen nachrichtentechnik
GB2170352B (en) * 1984-10-24 1988-05-25 Dubilier Plc Temperature responsive switch
DE3604785A1 (de) * 1986-02-13 1987-08-20 Siemens Ag Metallgekapselte, gasisolierte hochspannungsanlage mit einem ueberspannungsableiter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2738078A1 (de) * 1976-08-31 1978-03-09 Tii Corp Fehlersichere ueberspannungsschutzvorrichtung
EP0040522A1 (fr) * 1980-05-16 1981-11-25 The M-O Valve Company Limited Dérivateur de surtensions
US4402031A (en) * 1981-12-07 1983-08-30 Porta Systems Corp. Gas tube protector module
EP0146207A2 (fr) * 1983-12-06 1985-06-26 Dubilier Plc Perfectionnements aux composants électriques

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2696581A1 (fr) * 1992-10-06 1994-04-08 Mars Actel Module de protection tripolaire à fusible de court-circuit.
EP0592295A1 (fr) * 1992-10-06 1994-04-13 Alcatel Cable Interface Module de protection tripolaire à fusible de court-circuit
DE19519785C1 (de) * 1995-05-30 1996-08-29 Quante Ag Steckbarer Überspannungsschutz
EP0746071A1 (fr) * 1995-05-30 1996-12-04 Quante Ag Dispositif enfichable de protection contre les surtensions
DE19622461A1 (de) * 1996-05-24 1997-11-27 Siemens Ag Gasgefüllter Überspannungsableiter mit äußerer Kurzschlußeinrichtung
DE19622461B4 (de) * 1996-05-24 2005-04-21 Epcos Ag Gasgefüllter Überspannungsableiter mit äußerer Kurzschlußeinrichtung
FR2756673A1 (fr) * 1996-11-29 1998-06-05 Soule Materiel Electr Dispositif de protection pour lignes telephoniques
EP0845843A1 (fr) * 1996-11-29 1998-06-03 Soule Materiel Electrique Dispositif de protection pour lignes téléphoniques
WO1998037605A1 (fr) * 1997-02-21 1998-08-27 Siemens Aktiengesellschaft Limiteur de surtension rempli de gaz et dote d'un court-circuiteur externe
DE19708651A1 (de) * 1997-02-21 1998-09-03 Siemens Ag Gasgefüllter Überspannungsableiter mit äußerer Kurzschlußeinrichtung
US6445560B1 (en) 1997-02-21 2002-09-03 Epcos Ag Gas-filled surge protector with external short-circuiting device
EP3358577A1 (fr) * 2012-06-19 2018-08-08 Raycap Intellectual Property, Ltd. Dispositifs de protection contre les surtensions comprenant une varistance et deux mécanismes de déclanchement
EP3640958A1 (fr) * 2012-06-19 2020-04-22 Raycap Ip Assets Ltd Dispositifs de protection contre les surtensions comprenant une plaquette de matériau de varistance

Also Published As

Publication number Publication date
GR3003039T3 (en) 1993-02-17
JPH0576125B2 (fr) 1993-10-22
IN169696B (fr) 1991-12-07
CN1032716A (zh) 1989-05-03
DE3865943D1 (de) 1991-12-05
YU195888A (en) 1991-06-30
JPH01109626A (ja) 1989-04-26
US4887183A (en) 1989-12-12
AU606223B2 (en) 1991-01-31
YU47295B (sh) 1995-01-31
HK84092A (en) 1992-11-06
AR241296A1 (es) 1992-04-30
EP0312729B1 (fr) 1991-10-30
ES2026980T3 (es) 1992-05-16
AU2409788A (en) 1989-04-20
MX164630B (es) 1992-09-10
DE3820272C1 (fr) 1989-04-06
CN1012867B (zh) 1991-06-12
RU2024136C1 (ru) 1994-11-30
ATE69126T1 (de) 1991-11-15
BR8805396A (pt) 1989-06-20
CA1330826C (fr) 1994-07-19

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