WO2015071360A1 - Appareil électrique à résistances de freinage - Google Patents

Appareil électrique à résistances de freinage Download PDF

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Publication number
WO2015071360A1
WO2015071360A1 PCT/EP2014/074486 EP2014074486W WO2015071360A1 WO 2015071360 A1 WO2015071360 A1 WO 2015071360A1 EP 2014074486 W EP2014074486 W EP 2014074486W WO 2015071360 A1 WO2015071360 A1 WO 2015071360A1
Authority
WO
WIPO (PCT)
Prior art keywords
fan
housing
air
resistor device
braking resistor
Prior art date
Application number
PCT/EP2014/074486
Other languages
German (de)
English (en)
Inventor
Christian OVERFELD
Original Assignee
Gino Ag Elektrotechnische Fabrik
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 Gino Ag Elektrotechnische Fabrik filed Critical Gino Ag Elektrotechnische Fabrik
Publication of WO2015071360A1 publication Critical patent/WO2015071360A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/02—Dynamic electric resistor braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C3/00—Electric locomotives or railcars
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/08—Cooling, heating or ventilating arrangements
    • H01C1/082—Cooling, heating or ventilating arrangements using forced fluid flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/36—Temperature of vehicle components or parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/01—Mounting; Supporting

Definitions

  • the invention relates to an electrical Bremswiderstandsgerat for deriving braking energy, with at least one air-permeable resistance package, which forms a wall of a housing, and a fan which promotes cooling air through the resistance package to an air outlet.
  • the traction drive is switched over to braking from engine operation to generator operation.
  • the kinetic energy of driving is converted into electrical energy and then in a braking resistor device into heat.
  • an air-permeable resistance package is provided, which forms a wall of a housing.
  • the resistor package is in a Bremswiderstandsgerat known design Forced ventilation, with a fan external air is forced through the resistance package.
  • a plurality of resistor packages are arranged in an air channel one behind the other.
  • the resistance device is designed as a tower or lying channel design, the length added to the fan and the resistance packages and a distance to calm the flow of cooling air.
  • the air is sucked in from below via the fan and blown over the resistors.
  • the hot air exits the top of the tower resistance. It has a non-laminar flow, a twist and forms an air shadow above the fan hub. Therefore, the fan downstream of an air guide, which causes additional pressure loss.
  • the invention has for its object to provide an electrical braking resistor device in which the air flow is improved and a uniform heat distribution within the active parts of the resistor is achieved.
  • the resistor package is arranged on the suction side of the fan, so that the housing is forcibly ventilated by the fan, wherein the fan of the fan is flowed through by heated cooling air.
  • the resistor packages are arranged on the suction side of the fan.
  • the cooling air entering the housing is already heated and does not change its volume. This favors a laminar flow.
  • Another advantage is that in a sucking fan, as opposed to a blowing fan, no hub shadow is formed, so that the usually occurring non-uniform air distribution is avoided.
  • the necessary performance of the fan and thus the design are much lower than in conventional ventilation.
  • the braking resistor device according to the invention can be carried out in a flat design and is suitable as a roof device that is mounted, for example, on the roof of an electric locomotive or tram.
  • the cooling air enters the housing laterally or frontally and is then blown upwards out of the housing by the fan.
  • the resulting below the fan vacuum causes a uniform intake of the cooling air through the housing and through the resistance packages through.
  • the resulting negative pressure causes a laminar flow of air in all resistance packages, that is, a uniform cooling of the resistance elements as a result of the principle.
  • the cooling of the fan motor is preferably carried out by a separate cooling air inlet on the underside of the braking resistor device.
  • Figure 1 is a perspective sectional view of the electrical
  • FIG. 2 shows a longitudinal section through the resistance device of Figure 1 with marked air duct.
  • the resistance device of Figure 1 has a housing 10 which has a horizontal base 11, obliquely upstanding side walls 12 and a roof 13.
  • resistor packages 14 are each arranged from a plurality of individual tape strips, between which air can flow through, in order to remove heat.
  • the resistance packages consist of metallic resistance material, such as nickel-chromium alloys in sheet form to form electrical resistances.
  • each resistor package consists of multiple embossed and cranked resistor strips. In extreme cases, a resistance package may have only a single resistance element.
  • the fan 15 is arranged inside the housing 10. This has a perpendicular to the base 11 fan motor 16, which drives a rotor 17 with fan blades 18.
  • the fan is an axial fan which conveys air from the inside of the housing through an air outlet 19 to the outside.
  • the resistor packages 14 are located on the suction side of the fan 15, so that the housing 10 is forcibly vented by the fan 15. In other words, the fan sucks outside air as cooling air through the resistance packages 14 and blows them back to the outside.
  • the housing is forced ventilated by the fan, as opposed to ventilation.
  • the cooling air reaches the fan after passing through the resistor packages. Therefore, the fan prevails during the braking operation, a uniform temperature level without temporal or local temperature fluctuations. This has the advantage that the air to be conveyed does not change its volume.
  • the resistor packages 14 are distributed over large areas, the height of the housing 10 is kept low due to the oblique arrangement of the resistor packages. As a result, the clear height of the vehicle is only slightly increased.
  • the resistor packages 14 are arranged around the air outlet 19 around and they each have an obliquely to the base 11 directed air inlet 20th
  • FIG. 2 shows the air flows in the braking resistor device according to FIG. 1.
  • the cold cooling air 22 is shown in dashed lines. After flowing through the resistor packages 14, the then heated air 23 is shown in solid lines.
  • the cooling air for the fan motor is designated 24.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Details Of Resistors (AREA)

Abstract

L'invention concerne un appareil électrique à résistances de freinage servant à dissiper l'énergie de freinage, comprenant au moins un ensemble de résistances (14) perméable à l'air, qui est agencé dans une paroi (12) d'un boîtier, et un ventilateur (15), qui achemine l'air de refroidissement à travers l'ensemble de résistances jusqu'à une sortie d'air (19). Ledit appareil est caractérisé en ce que l'ensemble de résistances (14) est agencé sur le côté aspiration du ventilateur (15) de sorte que le ventilateur (15) assure une ventilation forcée du boîtier (10), le ventilateur étant traversé par l'air de refroidissement chauffé (23).
PCT/EP2014/074486 2013-11-13 2014-11-13 Appareil électrique à résistances de freinage WO2015071360A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202013010291.8 2013-11-13
DE201320010291 DE202013010291U1 (de) 2013-11-13 2013-11-13 Elektrisches Bremswiderstandsgerät

Publications (1)

Publication Number Publication Date
WO2015071360A1 true WO2015071360A1 (fr) 2015-05-21

Family

ID=50276619

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/074486 WO2015071360A1 (fr) 2013-11-13 2014-11-13 Appareil électrique à résistances de freinage

Country Status (2)

Country Link
DE (1) DE202013010291U1 (fr)
WO (1) WO2015071360A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104385930A (zh) * 2014-11-20 2015-03-04 南车资阳机车有限公司 用于机车电阻制动装置的导风筒
DE102015203689B4 (de) * 2015-03-02 2017-12-14 Siemens Aktiengesellschaft Fahrzeug, insbesondere Schienenfahrzeug, mit Bremswiderstand
DE102018218296A1 (de) * 2018-10-25 2020-04-30 Siemens Mobility GmbH Bremswiderstand für ein elektrisch angetriebenes Fahrzeug
CN113103875A (zh) * 2020-01-09 2021-07-13 西安铁路信号有限责任公司 160kM交流传动内燃机车制动电阻及降噪装置的方法
US20220203839A1 (en) * 2020-12-31 2022-06-30 Transportation Ip Holdings, Llc Resistive grid systems

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU911628A1 (ru) * 1979-11-13 1982-03-07 Предприятие П/Я В-2517 Балластный реостат
DE19545447A1 (de) * 1995-12-06 1997-06-12 Abb Patent Gmbh Bremswiderstand-Kühleinrichtung
DE19828755A1 (de) * 1998-06-27 1999-12-30 Abb Daimler Benz Transp Kühlanordnung
DE102004059180A1 (de) * 2004-12-08 2006-07-27 Siemens Ag Widerstand mit Kühlung und Verfahren zur Widerstandskühlung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU911628A1 (ru) * 1979-11-13 1982-03-07 Предприятие П/Я В-2517 Балластный реостат
DE19545447A1 (de) * 1995-12-06 1997-06-12 Abb Patent Gmbh Bremswiderstand-Kühleinrichtung
DE19828755A1 (de) * 1998-06-27 1999-12-30 Abb Daimler Benz Transp Kühlanordnung
DE102004059180A1 (de) * 2004-12-08 2006-07-27 Siemens Ag Widerstand mit Kühlung und Verfahren zur Widerstandskühlung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 198302, Derwent World Patents Index; AN 1983-A5960K, XP002735236, KHLAVNOVI L B; SHKODA A V *

Also Published As

Publication number Publication date
DE202013010291U1 (de) 2014-02-20

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