EP1792324B1 - Isolierstoffgehäuse mit belüftungsschacht - Google Patents

Isolierstoffgehäuse mit belüftungsschacht Download PDF

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Publication number
EP1792324B1
EP1792324B1 EP05786986A EP05786986A EP1792324B1 EP 1792324 B1 EP1792324 B1 EP 1792324B1 EP 05786986 A EP05786986 A EP 05786986A EP 05786986 A EP05786986 A EP 05786986A EP 1792324 B1 EP1792324 B1 EP 1792324B1
Authority
EP
European Patent Office
Prior art keywords
ventilation shaft
section
drive
holding section
dielectric housing
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
EP05786986A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1792324A1 (de
Inventor
Ralf-Reiner Volkmar
Matthias Schmidt
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
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP1792324A1 publication Critical patent/EP1792324A1/de
Application granted granted Critical
Publication of EP1792324B1 publication Critical patent/EP1792324B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01H9/52—Cooling of switch parts
    • 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
    • H01H9/52—Cooling of switch parts
    • H01H2009/526—Cooling of switch parts of the high voltage 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
    • H01H33/6606—Terminal arrangements
    • H01H2033/6613—Cooling arrangements directly associated with the terminal arrangements
    • 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

Definitions

  • the invention relates to an insulating housing having a holding section adapted for receiving a switching tube, which is equipped with an input terminal, and a subsequent to the holding section in a longitudinal direction drive section having a drive opening for introducing a drive movement in the interrupter and is equipped with a outgoing connector in which a ventilation shaft communicating with an interior of the drive section is provided on the holding section on the outside.
  • the invention further relates to a solid-insulated switch pole with an insulating material housing, in which a switching tube is arranged.
  • Such Isolierstoffgeophuse and such a solid-insulated switch pole are already known from the Chinese utility model CNZL00246088.2.
  • a interrupter is cast, which is bolted to its stationary fixed contact with an input terminal, which is contacted from the outside, so from outside the insulating housing.
  • the interrupter At its side facing away from the input connector, the interrupter on a metallic end cap, which is penetrated by a movably guided switching rod.
  • the shift rod is connected via a flexible power band with a outgoing connector, which is also contacted from the outside.
  • the insulating housing has an opening through which a drive rod extends.
  • the drive rod is for initiating a Drive movement of a drive unit provided in the shift rod.
  • an electric current flows through the input connector, the contacts of the interrupter, the switch rod, the current band and the output connector. Due to an increased ohmic resistance, a dissipative energy loss, which depends on the magnitude of the current, occurs in the form of heat, in particular at the current band.
  • a channel-shaped ventilation shaft is provided, which communicates via an inlet opening with the interior of the insulating material. The upward rising heated air enters the ventilation shaft via the inlet and is finally released to the atmosphere. The heat is thus led out of the interior of the insulating housing, wherein cold ambient air is sucked through the drive opening of Isolierstöffgephases.
  • Another insulating material of the type mentioned is from the US 5,321,221 known. There, a ventilation shaft in the form of slots in the holding portion of the insulating material is formed.
  • Another insulating housing with ventilation shaft is from the EP 0 707 330 A known.
  • the previously known insulating material adheres to the disadvantage that the cooling power generated by the channel-shaped ventilation duct, in particular at higher electrical currents, is insufficient.
  • the object of the invention is therefore to provide a solid-insulated switch pole and an insulating material of the type mentioned, with which also for high electrical Streaming a sufficiently high cooling capacity is provided.
  • the invention solves this problem in that the ventilation shaft surrounds the holding portion like a collar.
  • a collar-shaped cooling shaft which encloses a wide portion of the holding portion in which the interrupter is arranged.
  • the ventilation shaft can completely or only partially enclose the holding section. It is essential, however, that the circulation of the ventilation shaft around the holding section provides a substantially greater cooling capacity than in the prior art.
  • reinforcing ribs are arranged in the ventilation shaft, which are gas-impermeable or may have gas-permeable passage areas. The reinforcing ribs serve for the mechanical stabilization of the ventilation shaft.
  • the ventilation shaft tapers in the longitudinal direction to its end facing away from the drive portion end.
  • the tapering of the ventilation shaft leads to the formation of a nozzle section at the outlet end of the ventilation shaft.
  • the flow velocity of the air flow through the ventilation shaft is greater than at a larger suction opening of the ventilation shaft, via which the ventilation shaft communicates with the drive section. In this way, a chimney effect, whereby the cooling capacity of the insulating material is increased even further.
  • the holding portion is tubular and the drive portion is frusto-conical, wherein the inner diameter of the holding portion is greater than the inner diameter the drive section.
  • the holding portion is suitably adapted to the dimensions of the interrupter, which is provided for mounting in the insulating housing.
  • an elastic padding is provided, which moreover compensates for different thermal expansions at higher temperatures of the interrupter and helps to prevent cracking of the insulating material housing.
  • the boundary wall of the ventilation shaft continues the frustoconical outer contour of the drive section continuously and without steps. In this way, both a chimney effect is provided, at the same time ensuring the most compact possible insulating housing.
  • holding section and drive section are connected to each other by means of a transition shoulder.
  • holding section and drive section are integrally formed and integrally formed, so that the insulating material can be produced in a casting process.
  • the inlet connector is connected to a heat sink, wherein the ventilation duct is formed so that an outgoing from the ventilation duct air flow is aligned with the heat sink.
  • the ventilation duct is formed so that an outgoing from the ventilation duct air flow is aligned with the heat sink.
  • FIG. 1 shows an embodiment of the insulating material according to the invention 1 in a perspective view.
  • the insulating housing 1 has a holding portion 2 of substantially hollow cylindrical shape and a frustoconical drive section 3, which adjoins the holding section in a longitudinal direction and has an enlarged inner diameter compared to the holding section 2.
  • a receiving sleeve 4 is formed, in which an input terminal piece 5 is cast from copper.
  • a mounting opening 6 is provided through which the vacuum interrupter can be screwed tightly to the input connection piece 5.
  • a receiving sleeve 7 is also integrally formed, in which a discharge connection piece 8 is cast.
  • a discharge connection piece 8 is cast.
  • the holding section 2 partially merges via a transition shoulder 11 into the drive section 3.
  • a ventilation shaft 12 can be seen, whose inlet opening is formed in the transition region between the drive section 3 and the holding section 2.
  • the outer contour of the drive section 3 is continuously continued by the circumferentially outer boundary surface of the ventilation shaft 12, so that in the region of the ventilation shaft 12 transition shoulders 11 are avoided.
  • the boundary wall of the ventilation shaft 12 continues the outer contour of the drive section 3 continuously and steplessly.
  • the ventilation shaft 12 encloses more than half of the cylindrical holding portion 2, wherein support rods 14 for mechanical Stabilization of the ventilation shaft 12 are provided.
  • FIG. 2 shows the insulating material according to FIG. 1 in a perspective view from above. It can be seen that the input terminal 5 extends beyond the mounting opening 6, so that the subsequent connection of the vacuum interrupter is made possible by screwing. Further, a fixing rib 15 can be seen, which is provided for stabilizing the insulating housing 1 or the solid-insulated switch pole, when it is composed with adjacently arranged further switch poles to a switch. In this case, each switch pole is provided for switching one phase of a three-phase network.
  • FIG. 3 shows the interior of the insulating material 1 in a plan view of the underside of the insulating housing 1.
  • the insulating housing 1 is fixedly screwed through holes 16 in the base 9.
  • the transitional shoulder 11 is formed in the front region, while the ventilation shaft 12 extends quasi through a recess in the transitional shoulder 11 in the upper region.
  • the two narrow sides 13 of the ventilation shaft 12 clamp to a center 17 of the holding section 2 at an angle of more than 180 degrees.
  • the ventilation shaft 12 tapers to its outlet opening facing away from the base 9, so that a chimney effect which increases the cooling power can be generated.

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Thermally Actuated Switches (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Catching Or Destruction (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Insulating Bodies (AREA)
  • Motor Or Generator Frames (AREA)
EP05786986A 2004-09-24 2005-09-13 Isolierstoffgehäuse mit belüftungsschacht Active EP1792324B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004047260A DE102004047260B4 (de) 2004-09-24 2004-09-24 Isolierstoffgehäuse mit Belüftungsschacht
PCT/EP2005/054544 WO2006032619A1 (de) 2004-09-24 2005-09-13 Isolierstoffgehäuse mit belüftungsschacht

Publications (2)

Publication Number Publication Date
EP1792324A1 EP1792324A1 (de) 2007-06-06
EP1792324B1 true EP1792324B1 (de) 2009-05-06

Family

ID=35335590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05786986A Active EP1792324B1 (de) 2004-09-24 2005-09-13 Isolierstoffgehäuse mit belüftungsschacht

Country Status (8)

Country Link
US (1) US20080078664A1 (zh)
EP (1) EP1792324B1 (zh)
KR (1) KR20070055571A (zh)
CN (1) CN100555489C (zh)
AT (1) ATE430984T1 (zh)
DE (2) DE102004047260B4 (zh)
RU (1) RU2366023C2 (zh)
WO (1) WO2006032619A1 (zh)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2449402C2 (ru) * 2007-10-02 2012-04-27 Абб Текнолоджи Аг Полюсная часть переключающего устройства среднего напряжения
DE102009020152B3 (de) * 2009-05-06 2010-12-23 Siemens Aktiengesellschaft Isolierstoffgehäuse zur Aufnahme einer Vakuumschaltröhre und feststoffisolierter Schalterpol
ES2622705T3 (es) * 2009-07-20 2017-07-07 Abb Schweiz Ag Parte de poste integrada con un alojamiento aislante hecho de material termoplástico
US8564000B2 (en) 2010-11-22 2013-10-22 Cree, Inc. Light emitting devices for light emitting diodes (LEDs)
USD721339S1 (en) 2010-12-03 2015-01-20 Cree, Inc. Light emitter device
US8624271B2 (en) 2010-11-22 2014-01-07 Cree, Inc. Light emitting devices
US9000470B2 (en) 2010-11-22 2015-04-07 Cree, Inc. Light emitter devices
US9300062B2 (en) 2010-11-22 2016-03-29 Cree, Inc. Attachment devices and methods for light emitting devices
US9490235B2 (en) 2010-11-22 2016-11-08 Cree, Inc. Light emitting devices, systems, and methods
US8575639B2 (en) 2011-02-16 2013-11-05 Cree, Inc. Light emitting devices for light emitting diodes (LEDs)
US8729589B2 (en) 2011-02-16 2014-05-20 Cree, Inc. High voltage array light emitting diode (LED) devices and fixtures
USD702653S1 (en) 2011-10-26 2014-04-15 Cree, Inc. Light emitting device component
US8455908B2 (en) 2011-02-16 2013-06-04 Cree, Inc. Light emitting devices
US10134961B2 (en) 2012-03-30 2018-11-20 Cree, Inc. Submount based surface mount device (SMD) light emitter components and methods
US9735198B2 (en) 2012-03-30 2017-08-15 Cree, Inc. Substrate based light emitter devices, components, and related methods
CN104428860B (zh) * 2012-06-12 2018-01-26 豪倍公司 中压或高压开关衬套
WO2014154292A1 (en) * 2013-03-28 2014-10-02 Abb Technology Ltd A switch assembly, a switching device comprising a switch assembly, a switchgear comprising a switching device and a method for cooling
USD740453S1 (en) 2013-06-27 2015-10-06 Cree, Inc. Light emitter unit
USD739565S1 (en) 2013-06-27 2015-09-22 Cree, Inc. Light emitter unit
CN103325610B (zh) * 2013-06-28 2015-07-29 中国西电电气股份有限公司 一种固封极柱
CN104377075A (zh) * 2014-11-28 2015-02-25 湖南长高高压开关集团股份公司 一种全工况智能型真空断路器用固封极柱
CN107017568B (zh) * 2016-01-28 2022-02-01 Abb瑞士股份有限公司 嵌入杆及其组装方法
USD823492S1 (en) 2016-10-04 2018-07-17 Cree, Inc. Light emitting device
CN108511260B (zh) * 2017-02-28 2020-06-12 西门子公司 用于真空断路器的极柱及其真空断路器
GB2610444A (en) * 2021-09-07 2023-03-08 Eaton Intelligent Power Ltd Electrical switchgear with improved cooling

Family Cites Families (9)

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DE3440212A1 (de) * 1984-10-10 1986-04-17 BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau Druckgasschalter
NO855379L (no) * 1985-02-27 1986-08-28 Bbc Brown Boveri & Cie Trykkgassbryter.
IT1186140B (it) * 1985-12-03 1987-11-18 Sace Spa Camera di interruzione dell'arco elettrico,in particolare per interruttori a fluido
FR2683939B1 (fr) * 1991-11-20 1993-12-31 Gec Alsthom Sa Disjoncteur auto-sectionneur a moyenne tension et application a une cellule et a un poste a moyenne tension.
FR2725830B1 (fr) 1994-10-14 1997-01-03 Gec Alsthom T & D Sa Disjoncteur auto-sectionneur
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Also Published As

Publication number Publication date
CN100555489C (zh) 2009-10-28
US20080078664A1 (en) 2008-04-03
ATE430984T1 (de) 2009-05-15
DE102004047260A1 (de) 2006-03-30
EP1792324A1 (de) 2007-06-06
RU2007115415A (ru) 2008-10-27
CN101027739A (zh) 2007-08-29
WO2006032619A1 (de) 2006-03-30
DE102004047260B4 (de) 2006-08-03
RU2366023C2 (ru) 2009-08-27
KR20070055571A (ko) 2007-05-30
DE502005007251D1 (de) 2009-06-18

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