EP3130000B1 - Procédé de fabrication d'un pôle de commutateur à isolant solide et pôle de commutateur à isolant solide - Google Patents

Procédé de fabrication d'un pôle de commutateur à isolant solide et pôle de commutateur à isolant solide Download PDF

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Publication number
EP3130000B1
EP3130000B1 EP15721019.6A EP15721019A EP3130000B1 EP 3130000 B1 EP3130000 B1 EP 3130000B1 EP 15721019 A EP15721019 A EP 15721019A EP 3130000 B1 EP3130000 B1 EP 3130000B1
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EP
European Patent Office
Prior art keywords
elastic layer
pole shell
pole
solid
vacuum interrupter
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.)
Active
Application number
EP15721019.6A
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German (de)
English (en)
Other versions
EP3130000A1 (fr
Inventor
Dirk Pohle
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.)
Siemens AG
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Siemens AG
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Publication date
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Publication of EP3130000A1 publication Critical patent/EP3130000A1/fr
Application granted granted Critical
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/662—Housings or protective screens
    • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/662—Housings or protective screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H2009/0285—Casings overmoulded over assembled switch or relay
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/662—Housings or protective screens
    • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
    • H01H2033/6623—Details relating to the encasing or the outside layers of the vacuum switch housings

Definitions

  • the invention relates to a method for producing a solid-insulated switch pole.
  • the fluid leveling compound is intended to compensate for differences in thermal expansion coefficients of the pole shell and the vacuum interrupter or their housing by an elastic cushioning layer between the pole shell and the vacuum interrupter is formed by the fluids, hardened leveling compound.
  • the pole housing normally consists of a long-term stable plastic, for example of a duroplastic (for example epoxy resin) or a thermoplastic (for example polyamide) or a composite material or the like.
  • the vacuum interrupter is arranged as a switching element of a usually multi-phase circuit breaker, for example, a medium-voltage circuit breaker in the pole shell for dielectric isolation, wherein the pole shell housing has connections over which a current to be switched by means of the vacuum interrupter is guided.
  • the elastic padding layer has thus also the task of isolating the two terminals and therefore must have sufficient dielectric strength.
  • a vacuum interrupter is provided with an elastic layer.
  • DE 199 06 972 discloses a method for producing a solid-insulated switch pole according to the preamble of claim 1.
  • the object of the present invention is to specify a method for producing a solid-state switch pole, which can be implemented simply and inexpensively.
  • the pole shell housing is initially formed completely with an elastic layer connected to the pole shell inside so that the pole shell with the cohesively connected elastic layer as a padding together and can be produced independently of the vacuum interrupter or pre-produced , And then for further formation of the solid-insulated Wegerpoles then only the vacuum interrupter in the provided with the elastic layer region of the pole shell or the pole housing must be mounted.
  • the pole shell with the elastic layer is formed as an integral part of the pole shell.
  • Cohesive in the sense of the present invention also includes a very good Stick together, for example, of compatible materials.
  • the elastic layer is first formed as a separate, separate component, which is then surrounded in the next step with the pole shell.
  • the cohesive bonding of elastic layer and pole shell can be done differently, for example by an injection molding process, or particularly advantageously by a two-component injection molding process, in the first step, the elastic layer and in the second process step, the pole shell of a long-term stable, solid plastic the elastic layer is sprayed on, or conversely in the first step, the pole shell is made and in the second step, the elastic layer is injected into the pole shell.
  • Suitable materials for the elastic layer are, for example, thermoplastic elastomers, silicone or EPDM, wherein, if appropriate, the bonding strength between the elastic layer and the pole shell can be further improved by suitable chemical or physical pretreatment.
  • the cohesively connected to the pole shell housing elastic layer can enclose the vacuum interrupter, or partially surround a housing wall region of the vacuum interrupter. By completely enclosing the vacuum interrupter or even partially surrounding a housing wall region of the vacuum interrupter, there is sufficient elastic padding between the vacuum interrupter and the pole housing, by means of which the differences in the coefficients of thermal expansion of the vacuum interrupter and the pole housing can be compensated while the dielectric isolation of the connections is ensured.
  • the invention further relates to a solid-insulated switch pole.
  • a solid-insulated switch pole is also from the WO 2004/038748 A1 and comprises a pole shell with a first terminal, a second terminal, a vacuum interrupter and a arranged between the pole shell and vacuum interrupter elastic layer.
  • Object of the present invention is to develop a solid-state switch pole of the type described above, which is simple and inexpensive to produce.
  • FIGURE shows a schematic view of an embodiment of a solid-state insulated switchpole according to the invention.
  • the figure shows a solid-insulated switch pole 1, which has a pole shell 2, which is preferably formed in a casting process of an epoxy resin or a similar, a solid pole shell housing auslagendem material.
  • a first terminal 3 and a second terminal 4 are provided on the solid-insulated switch pole 1, which are provided for connection to current-carrying parts of a switchgear not shown in detail, in which a switch with one or more such solid-state switch poles 1 is arranged.
  • a vacuum interrupter 5 is arranged, which has a fixed contact figuratively not shown and a moving figured contact within a housing 6, wherein the fixed contact via a fixed contact terminal pin 7 extending through a first metallic housing part 8 extends, with the second terminal 4 and the moving contact via a Bewegumblean gleichbolzen 9, which extends through a second metallic housing part 10 therethrough, is electrically conductively connected to the first terminal 3.
  • the BewegCountan gleichbolzen 9 is mechanically coupled via an insulating shift rod 11 with a drive also figured not shown for initiating a drive movement for closing or opening the contact system of fixed contact and moving contact of the vacuum interrupter 5, and by means of a flexible conductor 12 to the first terminal 3 electrically conductively connected.
  • the pole housing 2 has undercuts 15, 16 in such a way that the pole shell housing 2 has a smaller inner diameter outside the region of the elastic layer 14 than in the region of the elastic layer. This is particularly advantageous when first the elastic layer 14 is formed as a molded part and then the pole shell is arranged around the molding of the elastic layer by encapsulation or extrusion coating.
  • the undercuts 15, 16 are but optional and not essential.
  • the elastic layer 14 is materially connected to the pole shell 2 of the solid-insulated switch pole 1, for example by introducing the elastic layer 14 into the pole shell 2 or by attaching the pole shell 2 on the prefabricated elastic layer 14, so that in particular a mounting of the vacuum interrupter 5 in the provided with the elastic layer 14 pole shell 2 is possible.
  • the elastic layer 14 ensures a compensation of expansion fluctuations, which result due to the different thermal expansion coefficients of the vacuum interrupter 5 and in particular of the housing 6 of the vacuum interrupter 5 and the pole shell 2, as well as the necessary dielectric insulation.
  • the material for the elastic layer 14 for example, thermoplastic elastomers, silicones, polyurethane or EPDM are possible, wherein the elastic layer 14 can be introduced, for example by means of an injection molding process, by spraying or by gluing in the pole shell 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Switches (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Claims (8)

  1. Procédé de fabrication d'un pôle (1) de commutateur à isolant solide, comprenant les stades :
    - constitution d'un boîtier (2) cuvette de pôle, ayant une couche (14) élastique reliée à coopération de matière au boîtier (2) cuvette de pôle;
    - montage d'un tube (5) de commutation à vide dans le boîtier (2) cuvette de pôle pourvu de la couche (4) élastique,
    caractérisé en ce que
    le stade de constitution du boîtier (2) cuvette de pôle, ayant la couche (14) élastique reliée à coopération de matière avec le boîtier (2) cuvette de pôle, comprend les stades :
    - constitution de la couche (14) élastique;
    - dépôt à coopération de matière du boîtier (2) cuvette de pôle sur la couche (14) élastique.
  2. Procédé suivant la revendication 1,
    caractérisé en ce qu'
    il est produit une liaison à coopération de matière de la couche (14) élastique au boîtier (2) cuvette de pôle par un procédé de moulage par injection.
  3. Procédé suivant l'une des revendications 1 ou 2,
    caractérisé en ce qu'
    un élastomère thermoplastique forme la couche (14) élastique.
  4. Procédé suivant l'une des revendications 1 ou 2,
    caractérisé en ce que
    de la silicone forme la couche (14) élastique.
  5. Procédé suivant l'une des revendications 1 ou 2,
    caractérisé en ce que
    de l'EPDM forme la couche (14) élastique.
  6. Procédé suivant l'une des revendications précédentes,
    caractérisé en ce que
    la couche (14) élastique, reliée à coopération de matière avec le boîtier (2) cuvette de pôle, entoure le tube (5) de commutation à vide.
  7. Procédé suivant l'une des revendications précédentes,
    caractérisé en ce que
    la couche (14) élastique, reliée à coopération de matière avec le boîtier (2) cuvette de pôle, entoure une région (13) de paroi de boîtier du tube (5) de commutation à vide.
  8. Pôle (1) de commutateur à isolant solide, comprenant un boîtier (2) cuvette de pôle, ayant une première borne (3), une deuxième borne (4), un tube (5) de commutation à vide, ainsi qu'une couche (14) élastique, disposés entre le boîtier (2) cuvette de pôle et le tube (5) de commutation à vide.
EP15721019.6A 2014-06-04 2015-05-12 Procédé de fabrication d'un pôle de commutateur à isolant solide et pôle de commutateur à isolant solide Active EP3130000B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014210587.0A DE102014210587A1 (de) 2014-06-04 2014-06-04 Verfahren zur Herstellung eines feststoffisolierten Schalterpols und feststoffisolierter Schalterpol
PCT/EP2015/060471 WO2015185335A1 (fr) 2014-06-04 2015-05-12 Procédé de fabrication d'un pôle de commutateur à isolant solide et pôle de commutateur à isolant solide

Publications (2)

Publication Number Publication Date
EP3130000A1 EP3130000A1 (fr) 2017-02-15
EP3130000B1 true EP3130000B1 (fr) 2019-03-13

Family

ID=53055062

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15721019.6A Active EP3130000B1 (fr) 2014-06-04 2015-05-12 Procédé de fabrication d'un pôle de commutateur à isolant solide et pôle de commutateur à isolant solide

Country Status (6)

Country Link
US (1) US11139126B2 (fr)
EP (1) EP3130000B1 (fr)
CN (1) CN106463300B (fr)
DE (1) DE102014210587A1 (fr)
MX (1) MX364767B (fr)
WO (1) WO2015185335A1 (fr)

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CN105405710A (zh) * 2015-12-24 2016-03-16 中国振华电子集团宇光电工有限公司（国营第七七一厂） 一种结构强度较高的塑料极柱用真空灭弧室
EP3276649B1 (fr) * 2016-07-27 2021-05-05 ABB Schweiz AG Partie polaire d'un disjoncteur haute, moyenne ou basse tension et son procédé de fabrication
KR102523707B1 (ko) 2018-05-16 2023-04-19 엘에스일렉트릭(주) 차단기의 극 부품 조립체
US12112906B2 (en) 2019-04-26 2024-10-08 G & W Electric Company Integrated switchgear assembly
US20220216022A1 (en) * 2019-04-26 2022-07-07 G & W Electric Company Switchgear with overmolded dielectric material
DE102019211345A1 (de) * 2019-07-30 2021-02-04 Siemens Energy Global GmbH & Co. KG Unterbrechereinheit mit einer Vakuumröhre und einem Isoliergehäuse

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US3471669A (en) * 1968-01-16 1969-10-07 Chance Co Ab Encapsulated switch assembly for underground electric distribution service
US3812314A (en) * 1971-08-23 1974-05-21 Gen Electric High power electrical bushing having a vacuum switch encapsulated therein
US3955167A (en) * 1975-01-08 1976-05-04 Mcgraw-Edison Company Encapsulated vacuum fuse assembly
DE4210716A1 (de) * 1992-03-27 1993-09-30 Siemens Ag Mehrpoliger Vakuumschalter mit einer jede Vakuumröhre umgebenden Isolieranordnung
US5717185A (en) * 1995-12-26 1998-02-10 Amerace Corporation Operating mechanism for high voltage switch
US5912604A (en) * 1997-02-04 1999-06-15 Abb Power T&D Company, Inc. Molded pole automatic circuit recloser with bistable electromagnetic actuator
WO2000041199A1 (fr) * 1999-01-06 2000-07-13 Nu-Lec Industries Pty Ltd Procede d'assemblage de logements isoles pour materiel electrique et incorporation d'interrupteurs de circuit dans ces logements
DE19906972B4 (de) * 1999-02-19 2008-04-30 Abb Ag Schalterpolteil mit Vakuumschaltkammer
US6888086B2 (en) * 2002-09-30 2005-05-03 Cooper Technologies Company Solid dielectric encapsulated interrupter
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DE10249615A1 (de) * 2002-10-21 2004-05-13 Siemens Ag Herstellung eines feststoffisolierten Schalterpols
JP4159938B2 (ja) * 2003-07-25 2008-10-01 株式会社東芝 モールド電気機器およびそのモールド方法
DE102005039555A1 (de) * 2005-08-22 2007-03-01 Abb Technology Ltd. Verfahren zur Herstellung von Schalterpolteilen für Nieder - Mittel - und Hochspannungsschaltanlagen, sowie Schalterpolteil selbst
CA2626308C (fr) * 2005-10-28 2014-03-11 S & C Electric Company Ensemble interrupteur de circuits et son procede de realisation
US7572133B2 (en) * 2005-11-14 2009-08-11 Cooper Technologies Company Separable loadbreak connector and system
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Also Published As

Publication number Publication date
MX2016015939A (es) 2017-03-20
US11139126B2 (en) 2021-10-05
DE102014210587A1 (de) 2015-12-17
MX364767B (es) 2019-05-06
CN106463300A (zh) 2017-02-22
EP3130000A1 (fr) 2017-02-15
CN106463300B (zh) 2020-01-03
US20170207039A1 (en) 2017-07-20
WO2015185335A1 (fr) 2015-12-10

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