EP0397163B1 - Enveloppe étanche à base d'enroulement filamentaire, et parafoudre composite en faisant application - Google Patents

Enveloppe étanche à base d'enroulement filamentaire, et parafoudre composite en faisant application Download PDF

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Publication number
EP0397163B1
EP0397163B1 EP90108803A EP90108803A EP0397163B1 EP 0397163 B1 EP0397163 B1 EP 0397163B1 EP 90108803 A EP90108803 A EP 90108803A EP 90108803 A EP90108803 A EP 90108803A EP 0397163 B1 EP0397163 B1 EP 0397163B1
Authority
EP
European Patent Office
Prior art keywords
winding
stack
envelope
fact
equipment
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
EP90108803A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0397163A1 (fr
Inventor
Guy Thevenet
Denis Thuillier
René Parraud
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.)
Societe Europeenne dIsolateurs en Verre et Composite SEDIVER SA
Original Assignee
Societe Europeenne dIsolateurs en Verre et Composite SEDIVER SA
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 Societe Europeenne dIsolateurs en Verre et Composite SEDIVER SA filed Critical Societe Europeenne dIsolateurs en Verre et Composite SEDIVER SA
Priority to AT90108803T priority Critical patent/ATE97257T1/de
Publication of EP0397163A1 publication Critical patent/EP0397163A1/fr
Application granted granted Critical
Publication of EP0397163B1 publication Critical patent/EP0397163B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12—Overvoltage protection resistors

Definitions

  • the present invention relates to a sealed envelope based on filament winding for equipment capable of undergoing significant thermal stresses or electric arc phenomena and then being the seat of internal overpressures.
  • It can be for example a circuit breaker, a surge arrester etc ...
  • a waterproof envelope based on filament winding of resin-impregnated glass fibers is described, for example, in French Patent No. 2,619,244, to protect a lightning arrester.
  • a stack of pellets is firstly made of a varistor type material with spacers, extreme fittings, and means for ensuring electrical continuity on the one hand between the pellets, and on the other hand between the pads and the two fittings; then a filament winding of resin-impregnated glass fibers is carried around this assembly, in such a way that it ensures adhesion and radial shrinking of said stack, without significant longitudinal compression.
  • a coating of elastomeric material of the E.P.D.M. type is injected thereon.
  • This winding is to secure the pellets together, being very adherent on their lateral surface, and having a very high mechanical strength in the radial direction.
  • the object of the present invention is to propose a type of envelope capable of solving this problem.
  • the subject of the present invention is a waterproof envelope based on a filament winding made up of glass fibers impregnated with resin, for equipment capable of undergoing significant thermal stresses and of being the seat of internal overpressures, said winding being adherent to the external surface of said equipment, characterized in that said external surface of said equipment coated with said winding has areas not covered with fibers forming cells filled with resin, the percentage of surface not covered by fibers being at least of the order of 15%. This proportion preferably varies between 15% and 35%.
  • this angle is preferably chosen to be between 30 ° and 60 °.
  • the present invention also relates to a composite arrester applying the preceding envelope, said arrester comprising a stack of pellets made of a varistor type material with end fittings, means for ensuring the electrical connection throughout the stack , and an envelope formed by a filament winding made of resin-impregnated glass fibers, ensuring a radial hooping of said stack with adhesion to the lateral surface of this stack, said envelope being provided with a finned coating of injected elastomer;
  • this arrester is characterized by the fact that the lateral surface of said stack has areas not covered with fibers, in a proportion of at least about 15%, said areas forming cells filled with said resin.
  • Figures 1 and 2 are schematic views in partial section of surge arresters according to the invention.
  • a stack having a common axis 10 is produced by interposing between the pads 1 spacers tubular 2, which can be metallic or insulating. They have a recess 12 allowing radial guidance of the pellets 1, and an internal housing 13; likewise, the fittings 3 comprise a recess 15 and a housing 14.
  • the envelope formed is perfectly adherent to the lateral surfaces of the fittings 3, of the spacers 2 and of the pads 1.
  • the spacers 2 have a sealing function and prevent the resin impregnating the fibers 4 from infiltrating between the pellets 1.
  • These spacers can be made of a resin similar to that of the impregnation resin so to further promote the adhesion of the envelope.
  • a finned coating 5 of elastomer for example made of E.P.D.M, or other insulating material, is injected thereon.
  • the spacers 22 no longer have a recess 12, but have the same diameter as the pellets 1 and are bonded to the metallized faces 6 of these pellets. It is the same for the end fittings 23. This arrangement prevents the resin from entering between the pellets.
  • winding mode can be replaced by any other arrangement leaving on the face of the stack a plurality of zones 16 regularly distributed, but of any shape, the total surface of which is at least of the order of 15 to 35% of the lateral surface of the stack.
  • the invention applies to any arrester comprising a filament winding, whatever the internal structure of this arrester.
  • the invention also applies to any electrical or other equipment provided with an envelope based on filament winding.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)
  • Ropes Or Cables (AREA)
  • Details Of Resistors (AREA)
  • Moulding By Coating Moulds (AREA)
  • Glass Compositions (AREA)
  • Insulated Conductors (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Elimination Of Static Electricity (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Laminated Bodies (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Cable Accessories (AREA)
EP90108803A 1989-05-12 1990-05-10 Enveloppe étanche à base d'enroulement filamentaire, et parafoudre composite en faisant application Expired - Lifetime EP0397163B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90108803T ATE97257T1 (de) 1989-05-12 1990-05-10 Dichte umhuellung auf der basis einer faserartigen umwicklung und zusammengesetzter blitzableiter als anwendung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8906268 1989-05-12
FR8906268A FR2646957B1 (fr) 1989-05-12 1989-05-12 Enveloppe etanche a base d'enroulement filamentaire, et parafoudre composite en faisant application

Publications (2)

Publication Number Publication Date
EP0397163A1 EP0397163A1 (fr) 1990-11-14
EP0397163B1 true EP0397163B1 (fr) 1993-11-10

Family

ID=9381622

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90108803A Expired - Lifetime EP0397163B1 (fr) 1989-05-12 1990-05-10 Enveloppe étanche à base d'enroulement filamentaire, et parafoudre composite en faisant application

Country Status (11)

Country Link
US (1) US5050032A (ja)
EP (1) EP0397163B1 (ja)
JP (1) JPH0329285A (ja)
AT (1) ATE97257T1 (ja)
AU (1) AU627875B2 (ja)
BR (1) BR9002229A (ja)
CA (1) CA2016590C (ja)
DE (1) DE69004484T2 (ja)
FR (1) FR2646957B1 (ja)
NO (1) NO177409C (ja)
ZA (1) ZA903576B (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07118237B2 (ja) * 1990-12-28 1995-12-18 日本碍子株式会社 避雷碍子
US5363266A (en) * 1992-06-18 1994-11-08 Raychem Corporation Electrical surge arrester
JPH0710906U (ja) * 1993-07-20 1995-02-14 日本碍子株式会社 モールド避雷器
SE516123C2 (sv) * 1994-05-13 2001-11-19 Abb Ab Ventilavledare, metod för framställning av en sådan samt användning
US5625523A (en) * 1995-04-03 1997-04-29 Nedriga; Walter N. Surge arrester
FR2747500B1 (fr) * 1996-04-12 1998-06-26 Soule Materiel Electr Parafoudre perfectionne a base de varistances
DE19622140A1 (de) * 1996-06-01 1997-12-04 Asea Brown Boveri Überspannungsableiter
US5926356A (en) * 1997-07-29 1999-07-20 Hubbell Incorporated End terminals for modular electrical assemblies with pressure relief
US6014306A (en) * 1998-09-24 2000-01-11 Hubbell Incorporated Electrical device with wedge insert gas seal for probe
FR2800903B1 (fr) 1999-10-25 2001-12-21 Soule Materiel Electr Parafoudre perfectionne a base de varistances electriques
KR100445079B1 (ko) * 2002-04-16 2004-08-21 한국전기연구원 다축 필라멘트 와인딩에 의한 폴리머 피뢰기의 모듈제조방법
KR100460434B1 (ko) * 2002-11-07 2004-12-08 정용기 쌍극자 피뢰침
SE527132C2 (sv) 2003-04-30 2005-12-27 Abb Technology Ltd Ventilavledare
US7075406B2 (en) * 2004-03-16 2006-07-11 Cooper Technologies Company Station class surge arrester
KR100714991B1 (ko) * 2005-04-15 2007-05-09 강영길 폴리머 피뢰기 모듈 튜브 및 튜브를 이용한 폴리머 피뢰기모듈의 제조 방법
EP2690633A1 (de) * 2012-07-26 2014-01-29 Siemens Aktiengesellschaft Überspannungsableiter mit durch Schlingen gehaltenen Zugelementen
NL2018209B1 (en) 2017-01-23 2018-07-30 Waterwick B V Device to insert a wick into a plant pot, assembly of device and wick, and production method of the device
DE102020133830B3 (de) * 2020-12-16 2022-03-31 TRIDELTA Meidensha GmbH Überspannungsableiter mit Wickeldesign und Verfahren zu seiner Herstellung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56108204A (en) * 1980-01-21 1981-08-27 Konsutanteinobichi Abud Borisu Overvoltage protecting device
US4899248A (en) * 1984-12-14 1990-02-06 Hubbell Incorporated Modular electrical assemblies with plastic film barriers
US4656555A (en) * 1984-12-14 1987-04-07 Harvey Hubbell Incorporated Filament wrapped electrical assemblies and method of making same
FR2619244B1 (fr) * 1987-08-06 1992-09-04 Sediver Ste Europ Isolateurs V Procede de fabrication d'un parafoudre et parafoudre obtenu par ce procede
US4905118A (en) * 1988-03-31 1990-02-27 Hubbell Incorporated Base mounted electrical assembly
JPH02203501A (ja) * 1989-02-01 1990-08-13 Otowa Denki Kogyo Kk 避雷器

Also Published As

Publication number Publication date
DE69004484T2 (de) 1994-02-24
AU627875B2 (en) 1992-09-03
AU5491890A (en) 1990-11-15
ATE97257T1 (de) 1993-11-15
DE69004484D1 (de) 1993-12-16
US5050032A (en) 1991-09-17
CA2016590A1 (fr) 1990-11-12
BR9002229A (pt) 1991-08-13
NO177409B (no) 1995-05-29
ZA903576B (en) 1991-02-27
NO902093D0 (no) 1990-05-11
FR2646957B1 (fr) 1994-02-04
FR2646957A1 (fr) 1990-11-16
JPH0329285A (ja) 1991-02-07
NO902093L (no) 1990-11-13
CA2016590C (fr) 1997-04-01
NO177409C (no) 1995-09-06
EP0397163A1 (fr) 1990-11-14

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