EP1648001B1 - Spannungswandler für Eisenbahntriebwagen - Google Patents

Spannungswandler für Eisenbahntriebwagen Download PDF

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Publication number
EP1648001B1
EP1648001B1 EP04024629A EP04024629A EP1648001B1 EP 1648001 B1 EP1648001 B1 EP 1648001B1 EP 04024629 A EP04024629 A EP 04024629A EP 04024629 A EP04024629 A EP 04024629A EP 1648001 B1 EP1648001 B1 EP 1648001B1
Authority
EP
European Patent Office
Prior art keywords
pressure
housing
pressure relief
relief
voltage converter
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
EP04024629A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1648001A1 (de
Inventor
Olaf Brockmann
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.)
KG Ritz Messwandler & Co GmbH
Original Assignee
KG Ritz Messwandler & Co 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
Priority to PT04024629T priority Critical patent/PT1648001E/pt
Priority to ES04024629T priority patent/ES2309431T3/es
Priority to PL04024629T priority patent/PL1648001T3/pl
Priority to DE502004007157T priority patent/DE502004007157D1/de
Priority to SI200430814T priority patent/SI1648001T1/sl
Priority to DK04024629T priority patent/DK1648001T3/da
Priority to EP04024629A priority patent/EP1648001B1/de
Priority to AT04024629T priority patent/ATE395709T1/de
Application filed by KG Ritz Messwandler & Co GmbH filed Critical KG Ritz Messwandler & Co GmbH
Publication of EP1648001A1 publication Critical patent/EP1648001A1/de
Application granted granted Critical
Publication of EP1648001B1 publication Critical patent/EP1648001B1/de
Priority to CY20081100838T priority patent/CY1108249T1/el
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/24—Voltage transformers
    • H01F38/26—Constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings

Definitions

  • the invention relates to a voltage converter for electrically powered railcars or the like, with a pressure-resistant housing, which is provided on its upper side with a pressure relief device.
  • the solution according to the invention is that in the lower region of the housing, a further pressure relief device is provided, which allows escape of pressurized gases in lateral directions or to upper, by the other
  • Pressure relief device comprises a side leading away from the housing pressure relief passage with a pressure relief valve, wherein the pressure relief passage is formed in a lateral housing projection and extending in the interior of the housing to below the housing center.
  • the invention has the advantage that the gas under pressure in the lower housing region is thus discharged through a separate pressure relief device and a bursting of the lower housing region is prevented.
  • the invention is not limited to a doubling of the pressure relief devices on the model of the upper pressure relief device, because if you formed the lower pressure relief device accordingly, the pressurized gases would be directed directly to the roof of the railcar. There it would either damage the roof or to a backwater, which in turn could cause bursting of the converter housing. To avoid this situation, the invention provides a lateral escape of the pressurized gases, which can also be deflected upward again.
  • the pressurized gases are preferably discharged through the pressure relief device in the center of the vehicle in order to avoid a directed approximately on the platform pressure wave for the protection of persons located there.
  • the pressure relief valve closes a pressure relief opening, as long as there is no strong pressure in the housing interior. This protects the interior of the housing against the ingress of dirt and moisture. Only when the pressure in the interior becomes much higher than the external pressure, the pressure relief valve opens, to bring about the desired pressure relief and to prevent a bursting of the housing.
  • the inventive design of the pressure relief channel can be done in a cost-effective manner in the manufacture of the housing, such as when casting a corresponding housing part. By extending the pressure relief channel to the center of the housing effective pressure discharge is achieved with the lowest possible flow resistance.
  • the pressure relief valve is designed as a spring-loaded pressure relief cover of a mouth opening of the pressure relief channel.
  • the pressure relief cover is connected by pressure spring-loaded bolts with a cover carrier and held by the spring force in abutment with the mouth opening of the pressure relief passage enclosing sealing surface.
  • the pressure relief valve can also be designed as a rupture disk.
  • Fig. 1 recognizes the housing 1 of a voltage converter, which is intended for mounting on the roof of an electrically powered railway carriage.
  • a voltage converter In the case of railway vehicles, the available height for the voltage transformer is limited because a given clearance gauge may not be exceeded. Therefore, such a voltage converter is usually mounted standing directly on the roof of the railcar, which prohibits an arrangement of a pressure relief device on the bottom.
  • the upper pressure relief device consists of a housing cover 2, which is pressed by means of several compression spring loaded bolt 3 sealing against an upper housing flange.
  • the Upper bolts 3 with compression springs are provided with a protective cover, so that the compression springs are not visible.
  • a further pressure relief device is arranged in the lower region of the housing 1. How to best in Fig. 3 detects, the further pressure relief device to a pressure relief channel 5, which extends in the interior of the housing 1 to below the housing center 6 and in the opposite direction in a housing projection 7 to a mouth opening 8, to which a pressure relief valve 9 is arranged.
  • the pressure relief valve 9 is designed as a spring-loaded pressure relief cover 10 which is held by means of spring-loaded pin 11 in contact with a sealing surface 12 of a lid carrier 13.
  • the lid carrier 13 is in turn connected to the housing projection 7 by screws 14. How to best in Fig. 3 detects the bolts 11 protrude into the pressure channel 5, where the compression springs 15 are arranged on the bolt 11. Due to the arrangement of the compression springs 15 in the interior, the mechanics of the pressure relief valve 9 is protected from environmental influences.
  • the voltage converter which is arranged in the interior of the housing 1 and should not explode in the figures, should explode, the development of gases under high pressure occurs. These can now escape not only via the upper pressure relief device, but also via the lower pressure relief device. Under the internal pressure while the pressure relief cover 10 against the pressure of Compression springs 15 raised to the outside, so that between the pressure relief cover 10 and the sealing surface 12 of the lid carrier 13, a gap is formed through which the gases can escape from the interior.
  • the gases from the lower portion of the housing 1 from the middle of the housing 6 by means of the pressure relief channel 5 are derived laterally until they pass through the housing projection 7 through to the mouth opening 8, where it between the sealing surface 12 of the lid carrier 13 and the raised pressure relief cover 10 into Get free.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Generation Of Surge Voltage And Current (AREA)
  • Details Of Television Scanning (AREA)
  • Ac-Ac Conversion (AREA)
  • Safety Valves (AREA)
EP04024629A 2004-10-15 2004-10-15 Spannungswandler für Eisenbahntriebwagen Active EP1648001B1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
PL04024629T PL1648001T3 (pl) 2004-10-15 2004-10-15 Przekładnik napięciowy do kolejowych wagonów motorowych
DE502004007157T DE502004007157D1 (de) 2004-10-15 2004-10-15 Spannungswandler für Eisenbahntriebwagen
SI200430814T SI1648001T1 (sl) 2004-10-15 2004-10-15 Pretvornik napetosti za železniški motorni voz
DK04024629T DK1648001T3 (da) 2004-10-15 2004-10-15 Spændingstransformator til jernbanedrivvogn
PT04024629T PT1648001E (pt) 2004-10-15 2004-10-15 Transformador de tensão para uma automotora ferroviária
AT04024629T ATE395709T1 (de) 2004-10-15 2004-10-15 Spannungswandler für eisenbahntriebwagen
ES04024629T ES2309431T3 (es) 2004-10-15 2004-10-15 Transformacion de voltaje para una locomotora de ferrocarril.
EP04024629A EP1648001B1 (de) 2004-10-15 2004-10-15 Spannungswandler für Eisenbahntriebwagen
CY20081100838T CY1108249T1 (el) 2004-10-15 2008-08-11 Μετασχηματιστης τασης για σιδηροδρομικη μηχανη

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04024629A EP1648001B1 (de) 2004-10-15 2004-10-15 Spannungswandler für Eisenbahntriebwagen

Publications (2)

Publication Number Publication Date
EP1648001A1 EP1648001A1 (de) 2006-04-19
EP1648001B1 true EP1648001B1 (de) 2008-05-14

Family

ID=34927001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04024629A Active EP1648001B1 (de) 2004-10-15 2004-10-15 Spannungswandler für Eisenbahntriebwagen

Country Status (9)

Country Link
EP (1) EP1648001B1 (es)
AT (1) ATE395709T1 (es)
CY (1) CY1108249T1 (es)
DE (1) DE502004007157D1 (es)
DK (1) DK1648001T3 (es)
ES (1) ES2309431T3 (es)
PL (1) PL1648001T3 (es)
PT (1) PT1648001E (es)
SI (1) SI1648001T1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102480288B1 (ko) * 2021-12-27 2022-12-23 가부시끼가이샤 도꼬 다까오까 변압기

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106920639A (zh) * 2017-03-16 2017-07-04 江苏智达高压电气有限公司 一种环保型中压浇注式互感器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE310312T1 (de) * 2000-09-16 2005-12-15 Kg Ritz Messwandler Gmbh & Co Explosionsgeschützter spannungswandler
DE20016065U1 (de) * 2000-09-16 2000-12-21 Ritz Messwandler Kg Explosionsgeschützter Bahnwandler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102480288B1 (ko) * 2021-12-27 2022-12-23 가부시끼가이샤 도꼬 다까오까 변압기

Also Published As

Publication number Publication date
DE502004007157D1 (de) 2008-06-26
CY1108249T1 (el) 2014-02-12
PL1648001T3 (pl) 2008-10-31
DK1648001T3 (da) 2008-09-08
EP1648001A1 (de) 2006-04-19
SI1648001T1 (sl) 2008-10-31
ES2309431T3 (es) 2008-12-16
PT1648001E (pt) 2008-08-21
ATE395709T1 (de) 2008-05-15

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