EP3141657A1 - Bahnweichenheizvorrichtung - Google Patents

Bahnweichenheizvorrichtung Download PDF

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Publication number
EP3141657A1
EP3141657A1 EP15002631.8A EP15002631A EP3141657A1 EP 3141657 A1 EP3141657 A1 EP 3141657A1 EP 15002631 A EP15002631 A EP 15002631A EP 3141657 A1 EP3141657 A1 EP 3141657A1
Authority
EP
European Patent Office
Prior art keywords
induction heater
plate
sliding plate
inductor
distinctive
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.)
Granted
Application number
EP15002631.8A
Other languages
English (en)
French (fr)
Other versions
EP3141657B1 (de
Inventor
Andrzej Cholewa
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.)
Track Tec SA
Track Tec S A
Original Assignee
Track Tec SA
Track Tec S A
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 SI201530338T priority Critical patent/SI3141657T1/sl
Priority to PL15002631T priority patent/PL3141657T3/pl
Priority to HUE15002631A priority patent/HUE039579T2/hu
Priority to LTEP15002631.8T priority patent/LT3141657T/lt
Priority to RS20180900A priority patent/RS57507B1/sr
Application filed by Track Tec SA, Track Tec S A filed Critical Track Tec SA
Priority to DK15002631.8T priority patent/DK3141657T3/en
Priority to EP15002631.8A priority patent/EP3141657B1/de
Publication of EP3141657A1 publication Critical patent/EP3141657A1/de
Application granted granted Critical
Publication of EP3141657B1 publication Critical patent/EP3141657B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/24—Heating of switches
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise

Definitions

  • the subject matter of the invention is a device intended for heating rail switches with the use of an inductive excitation element.
  • the heating module in the form of an induction heater is placed outside the sliding plate, which exposes it to mechanical damage and harmful atmospheric conditions.
  • the Japanese patent application JP2001131901 presents a device for heating rail switches through generating magnetic induction in the vicinity of the spot that requires heating.
  • the induction heater is made of coils consisting of a hollow core on which conductor coils are wound, as arranged longitudinally, thus creating a plate connected to a generator.
  • the so created inductive heater is inserted in hole inside a sliding plate and adjoins the upper surface of the plate inside the hole. The heater produces eddy currents in the sliding plate, thus raising its temperature and melting the snow and ice accumulating on the surface of the plate.
  • the heater is protected against adverse weather conditions, its structure is, which makes the heater exposed to damage.
  • mounting of the heater inside the sliding plate requires sealing of the outer part of the sliding plate hole so that to insulate inductive coils from outer conditions.
  • the hole hollowed out inside the plate weakens the plate structure and makes it more vulnerable to damage.
  • the device for heating rail switches by this innovation consists of an induction heater in the shape of a cylinder, or a solid body resembling a cylinder in shape, made of ferromagnetic material and constituting the core of the inductor, with an annular hollow inside the heater.
  • the cross section of the inductor core is similar to the letter "E" in shape.
  • the conductor is connected to a power generator conveniently supplied with current from the traction through a system of e.g. inverters adjusting the voltage level, especially in the case of direct current electric tractions.
  • the so shaped cylindrical induction heater is placed inside the sliding plate between its base and the upper part with the switch point travelling on it.
  • the cylindrical heater is set in a hollow with a circular cross-section, as fitted to the heater size and located in the upper part of the sliding plate fixed on the heater.
  • An analogous hole with the shape fitted to the induction heater cross-section can be located in the plate base.
  • the induction heater is partially inserted in the hole in the plate base whereas the upper part of the plate is fixed on the part of the induction heater which protrudes above the plate base surface. Both the hole on the plate base and the one in the upper part of the plate are close-fitted to the heater size.
  • the solution based on the invention creates a structure where the heating element is located inside the sliding plate, which provide support to its upper part and favourably affects the durability and rigidity of this element of the rail switch.
  • the heater size can be relatively large in relation to the whole plate since after mounting, the plate base, the heater inductor cylinder, and upper part of the sliding plate make a uniform and stable structure.
  • the cylindrical shape of the heater with the coil drawn in the core inside the heater ensures a favourable magnetic flux distribution.
  • the induction heater functions on the similar principle as other such type solutions by generating eddy currents in the sliding plate and thereby raises the temperature of the rail switch element crossover thus melting the icing and snow retained on the surface.
  • magnetic flux propagates crosswise to the plate surface, which increases the amount of heat induced, as compared with other known solutions, with the same amount of electricity fed to the heater.
  • the solution in question allows to avoid the adverse phenomenon of mutual induction caused by mutual penetration of magnetic fields of individual coils arranged in parallel.
  • fig. 1 shows the top view of the sliding plate with a visible AC power supply source
  • fig. 2 shows the longitudinal section of the plate with a visible base, the induction heater with bolting and the upper part of the sliding plate
  • fig. 3 shows the sliding plate cross-section
  • fig. 4 shows the inductor core cross-section
  • fig. 5 shows the spool with the winding applied in the dimetric projection
  • fig. 6 shows an assembled heater consisting of the inductor core with the coil spool put on the inner pin
  • fig. 1 shows the top view of the sliding plate with a visible AC power supply source
  • fig. 2 shows the longitudinal section of the plate with a visible base, the induction heater with bolting and the upper part of the sliding plate
  • fig. 3 shows the sliding plate cross-section
  • fig. 4 shows the inductor core cross-section
  • fig. 5 shows the spool with the winding applied in the dimetric projection
  • fig. 6 shows an assembled heater consisting of the inductor
  • FIG. 7 is a reference drawing showing on one side sliding plates fixed to a sleeper without visible rails and, on the other side, an exposed main rail and the switch point resting on sliding panels, and fig. 8 shows the upper part of the plate in a perspective view, where there is a hollow with a circular section with the central pin with a through hole.
  • the rail switch heating device consists of sliding plate 1 as made of base plate 2 with a hollow with a circular cross-section and plate upper part 3 also fitted circular cross-sectioned hollow 11 , and, additionally, of induction heater 12 , which in turn consists of inductor core 4 , as made of a ferromagnetic material, with annular hollow 5 and inner inductor pin 10 .
  • inductor core 4 is in the shape of letter "E”.
  • annular hollow 5 there is coil spool 6 put on inductor core 10 with a winding of conductive wire applied on the spool.
  • Inductor core 4 with coil spool 6 placed inside the core make together induction heater 12 placed inside sliding plate 1 in the hollow in base 2 of sliding plate 1 .
  • plate upper part 3 is mounted on heater 12, plate upper part 3 is mounted.
  • the part is provided with hollow 11 with a circular cross-section; the hollow inner diameter corresponds to the outer diameter of induction heater 12.
  • Hollow 11 has central stem 15 with a through hole with the diameter corresponding to that of central hole 7. The heater can be pressed into hollow 11 or inserted with a slight clearance.
  • both induction heater 12 and plate upper part 3 are bolted to plate base 2 with mounting pin 8 placed inside central hole 7 which runs through the middle of induction heater 12 and at the same time forms the hollow in the upper part of plate 3 and plate base 2 .
  • Induction heater 12 when connected to the power supply winding, generates a magnetic field that induces eddy currents in sliding plate 1 , which results in heating the plate and melting the ice and snow deposited on rail switch elements, particularly on sliding surface 9 of sliding plate 1 .
  • the magnetic flux is essentially perpendicular to the plane of sliding surface 9 , thus providing heating of the whole of sliding surface 9 , which is particularly important since it allows switch point 14 to move freely on sliding surface 9 .
  • the device based on the invention is supplied with the railway traction current with the use of an AC generator with 10-100 kHz frequency current fed to the winding. It has been proved in tests that the most effective heating of the sliding plate is obtained at the above frequency range.
  • the solution based on the invention can be used in most of rail switches applied in the railways and practically for each type of sleepers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Railway Tracks (AREA)
  • General Induction Heating (AREA)
EP15002631.8A 2015-09-09 2015-09-09 Bahnweichenheizvorrichtung Active EP3141657B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
PL15002631T PL3141657T3 (pl) 2015-09-09 2015-09-09 Urządzenie do ogrzewania rozjazdu kolejowego
HUE15002631A HUE039579T2 (hu) 2015-09-09 2015-09-09 Sínváltó-fûtõ szerkezet
LTEP15002631.8T LT3141657T (lt) 2015-09-09 2015-09-09 Bėgio iešmų šildymo įtaisas
RS20180900A RS57507B1 (sr) 2015-09-09 2015-09-09 Uređaj za zagrevanje šinskih skretnica
SI201530338T SI3141657T1 (sl) 2015-09-09 2015-09-09 Naprava za ogrevanje kretnic
DK15002631.8T DK3141657T3 (en) 2015-09-09 2015-09-09 Device for heating track switches
EP15002631.8A EP3141657B1 (de) 2015-09-09 2015-09-09 Bahnweichenheizvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15002631.8A EP3141657B1 (de) 2015-09-09 2015-09-09 Bahnweichenheizvorrichtung

Publications (2)

Publication Number Publication Date
EP3141657A1 true EP3141657A1 (de) 2017-03-15
EP3141657B1 EP3141657B1 (de) 2018-05-02

Family

ID=54476633

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15002631.8A Active EP3141657B1 (de) 2015-09-09 2015-09-09 Bahnweichenheizvorrichtung

Country Status (7)

Country Link
EP (1) EP3141657B1 (de)
DK (1) DK3141657T3 (de)
HU (1) HUE039579T2 (de)
LT (1) LT3141657T (de)
PL (1) PL3141657T3 (de)
RS (1) RS57507B1 (de)
SI (1) SI3141657T1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL441080A1 (pl) * 2022-05-02 2023-11-06 Robert Żelazny Hybrydowe elektryczne urządzenie do ogrzewania rozjazdu kolejowego
PL441081A1 (pl) * 2022-05-02 2023-11-06 Robert Żelazny Urządzenie modułowe do ogrzewania rozjazdu kolejowego

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001131901A (ja) 1999-11-05 2001-05-15 Shinyosha:Kk 誘導加熱式融雪装置
US6664521B1 (en) 1999-10-19 2003-12-16 Matsushita Electric Industrial Co., Ltd. Line switch part snow melting device
WO2014032864A1 (de) * 2012-08-28 2014-03-06 Triple S-Gmbh Gleitstuhl für eine schienenweiche
WO2014032867A2 (de) * 2012-08-28 2014-03-06 Triple S-Gmbh Wärmeübertrageranordnung für ein wärmesystem zur beheizung einer schienenweiche
EP2735649A2 (de) * 2012-11-23 2014-05-28 Triple S GmbH Gleitstuhl für eine Schienenweiche
EP2720513B1 (de) 2012-10-15 2015-04-22 IFF GmbH Induktive Weichen- und/oder Schienenheizvorrichtung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6664521B1 (en) 1999-10-19 2003-12-16 Matsushita Electric Industrial Co., Ltd. Line switch part snow melting device
JP2001131901A (ja) 1999-11-05 2001-05-15 Shinyosha:Kk 誘導加熱式融雪装置
WO2014032864A1 (de) * 2012-08-28 2014-03-06 Triple S-Gmbh Gleitstuhl für eine schienenweiche
WO2014032867A2 (de) * 2012-08-28 2014-03-06 Triple S-Gmbh Wärmeübertrageranordnung für ein wärmesystem zur beheizung einer schienenweiche
EP2720513B1 (de) 2012-10-15 2015-04-22 IFF GmbH Induktive Weichen- und/oder Schienenheizvorrichtung
EP2735649A2 (de) * 2012-11-23 2014-05-28 Triple S GmbH Gleitstuhl für eine Schienenweiche

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL441080A1 (pl) * 2022-05-02 2023-11-06 Robert Żelazny Hybrydowe elektryczne urządzenie do ogrzewania rozjazdu kolejowego
PL441081A1 (pl) * 2022-05-02 2023-11-06 Robert Żelazny Urządzenie modułowe do ogrzewania rozjazdu kolejowego

Also Published As

Publication number Publication date
HUE039579T2 (hu) 2019-01-28
EP3141657B1 (de) 2018-05-02
DK3141657T3 (en) 2018-08-13
SI3141657T1 (sl) 2018-09-28
PL3141657T3 (pl) 2018-10-31
RS57507B1 (sr) 2018-10-31
LT3141657T (lt) 2018-11-12

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