EP3114280A1 - Rail heating device - Google Patents

Rail heating device

Info

Publication number
EP3114280A1
EP3114280A1 EP15708180.3A EP15708180A EP3114280A1 EP 3114280 A1 EP3114280 A1 EP 3114280A1 EP 15708180 A EP15708180 A EP 15708180A EP 3114280 A1 EP3114280 A1 EP 3114280A1
Authority
EP
European Patent Office
Prior art keywords
heating
fluid
rail
cover
lid
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
EP15708180.3A
Other languages
German (de)
French (fr)
Other versions
EP3114280B1 (en
Inventor
Michael Funke
Reiner Wittig
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.)
Triples-Systeme GmbH
Original Assignee
Triple S-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
Application filed by Triple S-GmbH filed Critical Triple S-GmbH
Priority to PL15708180T priority Critical patent/PL3114280T3/en
Publication of EP3114280A1 publication Critical patent/EP3114280A1/en
Application granted granted Critical
Publication of EP3114280B1 publication Critical patent/EP3114280B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

Definitions

  • the present invention relates to a rail heater according to the preamble of claim 1.
  • Such a rail heater is known from DE 20 2012 103 255 U1.
  • the safety and reliability in rail transport can be limited or endangered in cold weather and in particular ice or snow on rails and railroad switches in particular.
  • moving switch parts can undesirably freeze, which can jeopardize switch operation. Therefore, for example, in areas with cool winter weather increasingly rail heating use, which are used in particular for heating switches.
  • Heaters that are operated with a warm heating fluid on the one hand must be shaped so that they have a form suitable for heating; On the other hand, they must be able to find space, in particular in the area of switches, in addition to other installations such as holding devices for sliding chairs and tongue arrangements;
  • the shape of rail heating systems can thus depend on external conditions. This can make it difficult to adjust a uniform distribution of heating fluid and / or heat within the heater.
  • An object of the present invention is to provide an easy-to-install
  • Rail heater provide with improved heat distribution.
  • a rail heating device in particular a device, which may be provided for a heat-transmitting contact on a rail, in particular on a rail web, in contrast, for example
  • Rail heater may be configured to be operated with a heating fluid be transferred and / or heat from a heating fluid to a rail.
  • a heating fluid may denote a liquid and / or a gas and / or a liquid mixture and / or gas mixture and / or phase mixture thereof, for example water and / or oil and / or a mixture of water and alcohol, for example water and glycol.
  • a rail heating device can have a heating rear wall, which can be designed to be in heat-transmitting and / or physical contact with the element to be heated for heating a rail, in particular a rail web, and / or to be brought. It may be provided a good heat-conducting layer between the heating rear wall and the rail, such as a layer which comprises thermal paste.
  • a heating rear wall may comprise elements which are designed and / or shaped in FIG.
  • the shape of the heating rear wall can essentially be designed such that it corresponds to the shape of the rail area to be heated and / or can adhere to it.
  • the rail heating device can generally be configured to be introduced or introduced into a rail chamber formed and / or defined by rail web, rail head and rail foot.
  • the heating rear wall may be formed as part of a heating chamber, which itself may be formed or viewed as part of a radiator.
  • the heating chamber may have a chamber front wall, which on the
  • the chamber front wall and the heating rear wall can form a wall of the heating chamber and / or the radiator.
  • the heating chamber can do this
  • Heating chamber, in particular the heating rear wall, on the rail, in particular a rail web, is transmitted and / or transferable.
  • a directional designation refers to a direction on the rail land and / or the rearward direction
  • Rear heater to, while a directional design with respect to front one Direction of the rail web and / or the heating rear wall designated away.
  • Heating means may generally have a front wall which may be formed by the heating chamber front wall. It is alternatively conceivable that between the heating chamber front wall and the front wall of the heater, a chamber is formed, such as an insulation chamber, which may be provided for thermal insulation in the front direction. In such an isolation chamber, thermal insulation material may be received or receivable, such as an insulating foam and / or air.
  • the isolation chamber and the heating chamber may be formed integrally and / or as part of the radiator.
  • a rear wall of the isolation chamber may be formed by the heating chamber front wall.
  • Upper and / or lower wall regions can be provided in order to complete the insulation chamber and / or heating chamber in cross-section and / or to connect them to one another.
  • the radiator may generally have an outer wall, which may be defined in particular by the heating rear wall and / or front wall and / or other outer walls or wall areas.
  • the head sides of the radiator and / or the heating chamber may define a longitudinal direction of the radiator and / or the heating chamber. There may be two opposing headers. It is conceivable that a head side is a side that is substantially perpendicular to the heating rear wall and / or chamber front wall and / or radiator front wall and / or parallel to a
  • Rail cross-section runs in the transverse direction.
  • Radiators may be open on one or the sides of the head. It is conceivable that the head side of the heating chamber and / or the radiator each by a
  • Cover device is covered and / or coverable. If appropriate, such a cover device can also cover an insulation chamber on the head side.
  • Cover device may generally have a wall and / or one or more wall portions, which respectively corresponding wall portions of the
  • Radiator as the outer wall and / or heating rear wall and / or front wall and / or chamber front wall assets to continue.
  • Corresponding wall regions can adjoin one another and continue along a longitudinal extension, for example along a rail longitudinal direction.
  • the contour shape of the respective wall at least over part of the longitudinal extent of the
  • Cover device can be maintained substantially. It is conceivable that in a connection area in which the cover device and the radiator are attached to one another, the cross-section and / or an outer wall contour of the cover device essentially corresponds to the cross-section and / or the outer wall contour of the radiator and / or resembles.
  • the cover device and the heating element can each be sealed against each other in a fluid-tight manner, for example by means of a suitable sealing device such as a rubber seal.
  • a cover device may in particular have a cover front wall which is able to continue a front wall of the radiator. It is conceivable that your lid device has a lid rear wall, which is able to continue the heating rear wall.
  • a fluid communication can generally describe that a fluid flow, in particular of heating fluid, can be formed and / or formed between the components.
  • a fluid port may generally include an opening in a wall through which fluid is allowed to flow and / or which permits connection of a fluid space and / or tube and / or hose.
  • a rail heater can generally a
  • a rail heater may include pipes and / or hoses and / or a heat source and / or a heating fluid source and / or sink
  • a rail heater comprises a plurality of radiators with optionally associated lid devices.
  • a radiator may for example be made of a metallic material, in particular aluminum and / or steel.
  • a radiator may be formed in particular as an extruded profile, such as aluminum.
  • a heating rear wall may be formed of a good heat-conducting material, such as a metal.
  • a cover device can be fastened or fastened on the radiator in a suitable manner, for example by welding and / or screwing, for example by self-tapping screws.
  • the present invention relates to a rail heater, which a
  • Radiator having a heating chamber, which is adapted to be flowed through by a heating fluid, wherein the heating body has a Schusterwand, which is adapted to be in heat-transmitting contact with a
  • the Rail heating device further comprises at least one cover device which is attached or attachable to a head side of the radiator, wherein the
  • Cover device has a lid rear wall, which is adapted to continue the heating rear wall; wherein the lid means comprises a lid front wall in which a lid opening for a fluid port for supplying or removing heating fluid is provided. Furthermore, a fluid supply across the lid means
  • a lid device can be dispensed with the attachment of an additional baffle plate, which may be useful in variants with fluid supply in the longitudinal direction of the radiator. It can generally be provided two lid means, one of which may be provided for fluid supply and the other for fluid removal.
  • the structure of the cover device may be substantially identical; it is understood that the function of a lid device as fluid supply or fluid removal is essentially defined by the overall arrangement and connections to the outside.
  • a lid device can generally a
  • Fluid guide may be formed, such as through channels, which may be formed as holes. Such holes or channels may be formed in particular straight.
  • the fluid guide may be generally configured to fluidly communicate one or more fluid port openings of the lid device with the at least one lid opening and / or to bring the lid opening into fluid communication with the heating chamber.
  • a lid opening can generally have a connection device for a fluid guiding device, such as a tube and / or a hose, for example a receptacle and / or a thread.
  • a channel and / or a bore may be guided from the lid opening substantially obliquely upward or substantially horizontally. Above in this description generally refers to the direction of the rail head, down the direction of the rail foot.
  • channels or holes of the fluid guide can each be formed with a constant cross section.
  • changes in cross section within the fluid guide can essentially result from different channels or bores meeting one another.
  • channels and / or bores each extend from the opening from which they extend into the interior of the lid means, straight up to a branch point within the lid means, where they meet one or more other channels and / or holes. Accordingly, it is conceivable that individual channels and / or holes of the fluid guide the
  • a lid opening via a fluid guide and / or one or more fluid connection openings may be in fluid communication with a heating chamber or be brought.
  • a lid opening may generally be an opening in an outer wall contour of a cross section of the lid device.
  • a fluid connection opening may essentially have an opening for
  • Fluid connection opening may have a normal surface, which in the
  • Heating chamber is directed; a surface normal of the lid opening may be directed past the heating chamber and / or directed into an outside area.
  • the cover device can have at least one fluid connection opening on a side mounted or attachable to the radiator, which allows a heating fluid to flow into or out of the heating chamber.
  • a fluid connection opening may consist of a fluid guide within the
  • the cross-sectional area dimension of a fluid connection opening may be generally smaller than the cross-sectional area dimension of the heating chamber. As a result, a relatively large heating surface can be formed on the heating rear wall.
  • the at least one fluid connection opening is formed in fluid communication with the lid opening.
  • Fluid connection opening are formed.
  • Fluid connection opening may obliquely and / or transversely, in particular substantially be formed at right angles to the surface normal of the lid opening.
  • Fluid routing within the capping device may be configured to permit fluid communication between the ports.
  • Cross-sectional area dimension of the lid opening can be made larger than the cross-sectional area dimension of the at least one fluid connection opening.
  • the cover device and the radiator have substantially identical cross-sectional areas.
  • the lid device may also nestle against the rail profile and / or be accommodated in the rail chamber without requiring additional adaptation measures.
  • the sum of the cross-sectional area dimensions of the fluid connection openings may be less than the cross-sectional area dimension of the heating chamber so that a slower flow may form within the heating chamber than within the channels of the fluid conduit leading to the fluid connection openings.
  • Fluid guide may have a branch point, from which such channels branch off from a channel connected to a lid opening. From at least one of the fluid connection opening, a channel and / or a bore may extend obliquely within the cover device to a channel or bore guided by the cover opening.
  • the cross-sectional shape of an obliquely guided channel deviate from a round cross-sectional shape and be formed approximately oval, such as by oblique guide a milling or drilling tool.
  • Fluid connection openings can be arranged one above the other in order to allow good area utilization and further swirling of the heating fluid in the vertical direction.
  • the lid means may generally be in fluid communication with the
  • the fluid guide can be formed by bores, which in each case originate from the at least one cover opening and / or at least one fluid connection opening into the interior of the Cover body can be drilled, about to meet in such a way that a continuous fluid guide is formed.
  • the fluid guide within the cover device may have a narrowing of the flow cross-section.
  • the constriction can be formed approximately at a point at which at least two channels, in particular holes, meet the fluid guide.
  • the constriction may in particular be provided at a location at which a channel from the lid opening meets a channel from a fluid connection opening to the heating chamber.
  • the narrowing can be a sudden narrowing. This results in a point of impact, which leads to a turbulence of the inflowing heating fluid.
  • An abrupt constriction may denote a constriction at which the flow cross section changes substantially instantaneously and / or abruptly and / or discontinuously. This can be achieved for example by the fact that
  • Cross sectional area dimension of a passage from a fluid port is less than the cross sectional area dimension of a passage from the lid opening which opens into this passage.
  • the cross-sectional shape of the channels and / or the impact position of the channels may be designed to be suitable for one another in order to provide such a sudden constriction.
  • the fluid guide may have at least one branch.
  • the branch may be configured to divide or merge fluid streams from or to two fluid port openings. It is conceivable that within the lid opening, a branch is formed such that channels from the lid opening and channels of fluid connection openings to the heating chamber meet at a common point and define the branch. There may be provided several branches, each of which may be formed by passing channels and / or bores, in particular those which are guided in a straight line. Thus, a branching structure of the fluid guide
  • the fluid guide is adapted to the heating fluid in
  • Fig. 1 shows a cross section of an exemplary radiator
  • FIG. 2 is a side view of an exemplary rail heater
  • FIG. 3 is a top view of an exemplary lid device
  • FIG. 4 is an oblique view of an exemplary rail heater
  • Fig. 5 is an oblique view of another exemplary rail heater.
  • Fig. 1 shows a cross section of an exemplary radiator 10 of a
  • the heating element 10 has a heating chamber 12 which is arranged between a heating rear wall 14 and a chamber front wall 16
  • the heating rear wall 14 and the transverse walls 13 are adapted to a
  • Rail profile of a rail to be heated (not shown) to be adapted.
  • an isolation chamber 20 which is formed between a front wall 18 and the chamber front wall 16.
  • the front wall 18 forms, together with the heating rear wall 14 and transverse walls 13 formed therebetween
  • Isolation chamber 20 are each open on the head side and can be screwed via the screw 22 with a cover device.
  • heating fluid is introduced into the heating chamber 12 via one of the open head sides, which heat can be delivered to a rail via the heating rear wall 14 and leaves the heating chamber 12 again on the opposite side of the head.
  • Fig. 2 shows a side view of a rail heater 100 with a
  • Cover devices 30 are screwed.
  • the cover devices 30 each have a cover opening 32 for connecting a fluid guide device, and may each have suitable connection devices, such as threads and / or tube projections and / or connections, for example, to connect pipes and / or hoses for heating fluid.
  • connection devices such as threads and / or tube projections and / or connections, for example, to connect pipes and / or hoses for heating fluid.
  • There are self-tapping screws 24 can be seen, which via the screw 22 and corresponding in the
  • Lidding means 30 provided channels 34, the lid means in each case fasten on the head side on the radiator 10. About a seal 26 each of the lid device 30 and the radiator 10 are sealed from each other.
  • Seal surrounds the fluid connection openings shown below from the outside.
  • FIG. 3 shows a cross-section of a cover device 30.
  • a fluid channel 33 which is shown as a bore, is guided obliquely upward into the interior of the cover device 30 in a straight line in this example from the cover opening 32.
  • An upper fluid connection opening 36 and a lower fluid connection opening 38 can be seen, which each open into the heating chamber 12 in FIG. 2.
  • a fluid channel 37 is drilled obliquely downward to meet at a branch point 40 on the bore 33 of the lid opening 32.
  • a fluid channel 39 in this example extends in a straight line horizontally up to the branch point 40
  • Sectional dimension of the channel 33 is greater than the cross-sectional surface dimensions of the channels 37 and 39, so that at the branch point 40, a narrowing of the flow cross-section results with a bumper edge, which at the
  • Branching point is formed by transition from the channel 33 to the channels 37 and 39.
  • the transition of heating fluid from the channel 33 to the branching point 40th and the channels 37 and 39 thus results in a turbulence of the heating fluid.
  • Further turbulence is generated by the deflection of the heating fluid when flowing through the fluid guide formed by the channels 33, 37 and 39 of the cover device 30 from the inflow direction into the cover device in the outflow direction to the heating chamber 12.
  • a turbulence results from the meeting of the in the channels 37, 39 separately guided Schufluidströme in As a result, a uniform heat distribution can form and a stratification of heating fluid different temperature within the heating chamber 12 remains off.
  • the heating fluid is discharged via a corresponding cover device 30 again.
  • another cover device may be provided, since in this case the turbulence is not absolutely necessary.
  • the use of similar capping means 30 on both sides of the head makes it possible to connect the fluid supply to any of the sides.
  • the rail 200 has a rail head 202, a rail web 204 and a rail foot 206, which has a
  • Fig. 5 shows an oblique view of another exemplary
  • Rail heater 100 which differs from the arrangement shown in Fig. 1 -4 in terms of the cross section and provided for heating rail profile. Due to the overall lower profile, the bore 33 is guided substantially horizontally by the lid opening 30 in this example.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Railway Tracks (AREA)
  • Central Heating Systems (AREA)

Abstract

The present invention relates to a rail heating device comprising a heating element with a heating chamber designed to allow the passage of a heating fluid, wherein the heating element has a heating rear wall which is designed to be in and/or can be brought into heat exchanging contact with a rail web of a rail to be heated. The rail heating device further comprises at least one cover device which is attached to or can be attached to a head end of the heating element, wherein the cover device has a cover rear wall which is designed to extend the heating rear wall. The cover device comprises a cover front wall in which a cover opening is provided for a fluid connection to supply or remove heating fluid.

Description

Schienenheizeinrichtung  Schienenheizeinrichtung
Die vorliegende Erfindung betrifft eine Schienenheizeinrichtung gemäß dem Oberbegriff des Anspruchs 1. The present invention relates to a rail heater according to the preamble of claim 1.
Eine derartige Schienenheizeinrichtung ist durch die DE 20 2012 103 255 U1 bekannt. Such a rail heater is known from DE 20 2012 103 255 U1.
Die Sicherheit und Zuverlässigkeit im Schienenverkehr kann bei Kälte und insbesondere Eisoder Schneebildung auf Schienen und insbesondere auf Schienenweichen eingeschränkt oder gefährdet werden. Insbesondere können bewegliche Weichenteile unerwünscht festfrieren, was einen Weichenbetrieb gefährden kann. Daher finden etwa in Gegenden mit kühlem Winterwetter zunehmend Schienenheizungen Verwendung, welche insbesondere zum Heizen von Weichen eingesetzt werden. Heizungen, die mit einem warmen Heizfluid betrieben werden, müssen einerseits so geformt werden, dass sie eine zum Heizen geeignete Form aufweisen; andererseits müssen sie insbesondere im Bereich von Weichen neben anderen Installationen wie Halteeinrichtungen für Gleitstühle und Zungenanordnungen Platz finden können; die Form von Schienenheizungen kann somit von äußeren Gegebenheiten abhängen. Dies kann es erschweren, eine gleichmäßige Verteilung von Heizfluid und/oder Wärme innerhalb der Heizung einzustellen. The safety and reliability in rail transport can be limited or endangered in cold weather and in particular ice or snow on rails and railroad switches in particular. In particular, moving switch parts can undesirably freeze, which can jeopardize switch operation. Therefore, for example, in areas with cool winter weather increasingly rail heating use, which are used in particular for heating switches. Heaters that are operated with a warm heating fluid, on the one hand must be shaped so that they have a form suitable for heating; On the other hand, they must be able to find space, in particular in the area of switches, in addition to other installations such as holding devices for sliding chairs and tongue arrangements; The shape of rail heating systems can thus depend on external conditions. This can make it difficult to adjust a uniform distribution of heating fluid and / or heat within the heater.
Eine Aufgabe der vorliegenden Erfindung besteht darin, eine leicht zu montierende An object of the present invention is to provide an easy-to-install
Schienenheizeinrichtung mit verbesserter Wärmeverteilung bereitzustellen. Rail heater provide with improved heat distribution.
Diese Aufgabe wird von einer Schienenheizung mit den Merkmalen des Anspruchs 1 gelöst. This object is achieved by a rail heating with the features of claim 1.
Vorteilhafte Ausgestaltungen und Weiterbildungen ergeben sich aus den untergeordneten Ansprüchen. Advantageous embodiments and further developments emerge from the subordinate claims.
Im Rahmen dieser Beschreibung kann eine Schienenheizeinrichtung, insbesondere eine Einrichtung, beschreiben, welche für einen wärmeübertragenden Kontakt an einer Schiene, insbesondere an einem Schienensteg, vorgesehen sein kann, im Gegensatz etwa zu In the context of this description, a rail heating device, in particular a device, can be described, which may be provided for a heat-transmitting contact on a rail, in particular on a rail web, in contrast, for example
Gleitstuhlheizungen, welche einen Gleitstuhl einer Weiche erwärmen sollen. Eine Gleitstuhlheizungen which are to heat a sliding chair of a switch. A
Schienenheizeinrichtung kann dazu ausgebildet sein, mit einem Heizfluid betrieben zu werden und/oder Wärme von einem Heizfluid auf eine Schiene zu übertragen. Ein Heizfluid kann eine Flüssigkeit und/oder ein Gas und/oder ein Flüssigkeitsgemisch und/oder Gasgemisch und/oder Phasengemisch daraus bezeichnen, etwa Wasser und/oder Öl und/oder ein Gemisch aus Wasser und Alkohol, etwa Wasser und Glykol. Allgemein kann eine Schienenheizeinrichtung eine Heizrückwand aufweisen, welche dazu ausgebildet sein kann, zur Erwärmung einer Schiene, insbesondere eines Schienenstegs, in wärmeübertragenden und/oder physischen Kontakt mit dem zu erwärmenden Element zu stehen und/oder bringbar zu sein. Es kann eine gut wärmeleitende Schicht zwischen der Heizrückwand und der Schiene vorgesehen sein, etwa eine Schicht, welche Wärmeleitpaste umfasst. Eine Heizrückwand kann Elemente umfassen, welche dazu ausgebildet und/oder geformt sind, in Rail heater may be configured to be operated with a heating fluid be transferred and / or heat from a heating fluid to a rail. A heating fluid may denote a liquid and / or a gas and / or a liquid mixture and / or gas mixture and / or phase mixture thereof, for example water and / or oil and / or a mixture of water and alcohol, for example water and glycol. In general, a rail heating device can have a heating rear wall, which can be designed to be in heat-transmitting and / or physical contact with the element to be heated for heating a rail, in particular a rail web, and / or to be brought. It may be provided a good heat-conducting layer between the heating rear wall and the rail, such as a layer which comprises thermal paste. A heating rear wall may comprise elements which are designed and / or shaped in FIG
wärmeübertragenden Kontakt mit einem am Schienensteg anschließenden heat-transferring contact with a subsequent to the rail web
Schienenfuß und/oder einem am Schienensteg anschließenden Schienenfuß zu stehen und/oder bringbar zu sein. Ein wärmeübertragender Kontakt kann allgemein eine gute Wärmeleitung bereitstellen, um Wärme vom Heizfluid auf die Schiene zu übertragen. Die Form der Heizrückwand kann im Wesentlichen derart ausgebildet sein, dass sie der Form des zu erwärmenden Schienenbereichs entspricht und/oder sich daran anzuschmiegen vermag. Die Schienenheizeinrichtung kann allgemein dazu ausgebildet sein, in eine von Schienensteg, Schienenkopf und Schienenfuß ausgebildete und/oder definierte Schienenkammer einbringbar oder eingebracht zu sein. Die Heizrückwand kann als Teil einer Heizkammer ausgebildet sein, welche selbst als ein Teil eines Heizkörpers ausgebildet oder angesehen sein kann sein. Die Heizkammer kann eine Kammervorderwand aufweisen, welche auf der dem Rail foot and / or standing on the rail web rail foot to stand and / or be brought. A heat transferring contact may generally provide good heat conduction to transfer heat from the heating fluid to the rail. The shape of the heating rear wall can essentially be designed such that it corresponds to the shape of the rail area to be heated and / or can adhere to it. The rail heating device can generally be configured to be introduced or introduced into a rail chamber formed and / or defined by rail web, rail head and rail foot. The heating rear wall may be formed as part of a heating chamber, which itself may be formed or viewed as part of a radiator. The heating chamber may have a chamber front wall, which on the
Schienensteg abgewandten Seite und/oder bezüglich der Heizrückwand dem Rail web side facing away from and / or with respect to the rear heating wall
Schienensteg gegenüberliegend und/oder gegenüberliegend anordenbar ausgebildet sein kann. Die Kammervorderwand und die Heizrückwand können eine Wandung der Heizkammer und/oder des Heizkörpers bilden. Die Heizkammer kann dazu Rail web opposite and / or can be arranged opposite arranged. The chamber front wall and the heating rear wall can form a wall of the heating chamber and / or the radiator. The heating chamber can do this
ausgebildet sein, mit Heizfluid durchströmbar zu sein. Es kann vorgesehen sein, dass Wärme vom Heizfluid über die Wandung des Heizkörpers und/oder der be formed to be flowed through with heating fluid. It can be provided that heat from the heating fluid through the wall of the radiator and / or the
Heizkammer, insbesondere die Heizrückwand, auf die Schiene, insbesondere einen Schienensteg, übertragen wird und/oder übertragbar ist. Allgemein bezeichnet im Folgenden eine Richtungsbezeichnung mit Bezug auf eine Hinten oder eine rückwärtige Richtung eine Richtung auf den Schienensteg und/oder die Heating chamber, in particular the heating rear wall, on the rail, in particular a rail web, is transmitted and / or transferable. Generally, hereinafter, a directional designation refers to a direction on the rail land and / or the rearward direction
Heizrückwand zu, während eine Richtungsbezeichnung mit Bezug auf Vorne eine Richtung vom Schienensteg und/oder der Heizrückwand weg bezeichnet. Die Rear heater to, while a directional design with respect to front one Direction of the rail web and / or the heating rear wall designated away. The
Heizeinrichtung kann allgemein eine Vorderwand aufweisen, welche durch die Heizkammervorderwand gebildet sein kann. Es ist alternativ vorstellbar, dass zwischen der Heizkammervorderwand und der Vorderwand der Heizeinrichtung eine Kammer ausgebildet ist, etwa eine Isolationskammer, welche zur Wärmedämmung in die vordere Richtung vorgesehen sein kann. In einer solchen Isolationskammer kann Wärmedämmmaterial aufgenommen oder aufnehmbar sein, etwa ein Isolierschaum und/oder Luft. Die Isolationskammer und die Heizkammer können einstückig und/oder als Teil des Heizkörpers ausgebildet sein. Etwa kann eine rückseitige Wand der Isolationskammer durch die Heizkammervorderwand gebildet sein. Es können obere und/oder untere Wandbereiche vorgesehen sein, um die Isolationskammer und/oder Heizkammer im Querschnitt abzuschließen und/oder miteinander zu verbinden. Der Heizkörper kann allgemein eine Außenwandung aufweisen, welche insbesondere durch die Heizrückwand und/oder Vorderwand und/oder weitere außenliegende Wände oder Wandbereiche definiert sein kann. Die Kopfseiten des Heizkörpers und/oder der Heizkammer können eine Längsrichtung des Heizkörpers und/oder der Heizkammer definieren. Es können zwei, einander gegenüberliegende, Kopfseiten vorhanden sein. Es ist vorstellbar, dass eine Kopfseite eine Seite ist, die im Wesentlichen rechtwinklig zur Heizrückwand und/oder Kammervorderwand und/oder Heizkörpervorderwand steht und/oder die parallel zu einem Heating means may generally have a front wall which may be formed by the heating chamber front wall. It is alternatively conceivable that between the heating chamber front wall and the front wall of the heater, a chamber is formed, such as an insulation chamber, which may be provided for thermal insulation in the front direction. In such an isolation chamber, thermal insulation material may be received or receivable, such as an insulating foam and / or air. The isolation chamber and the heating chamber may be formed integrally and / or as part of the radiator. For example, a rear wall of the isolation chamber may be formed by the heating chamber front wall. Upper and / or lower wall regions can be provided in order to complete the insulation chamber and / or heating chamber in cross-section and / or to connect them to one another. The radiator may generally have an outer wall, which may be defined in particular by the heating rear wall and / or front wall and / or other outer walls or wall areas. The head sides of the radiator and / or the heating chamber may define a longitudinal direction of the radiator and / or the heating chamber. There may be two opposing headers. It is conceivable that a head side is a side that is substantially perpendicular to the heating rear wall and / or chamber front wall and / or radiator front wall and / or parallel to a
Schienenquerschnitt in Querrichtung verläuft. Die Heizkammer und/oder der Rail cross-section runs in the transverse direction. The heating chamber and / or the
Heizkörper können an einer oder den Kopfseiten offen sein. Es ist vorstellbar, dass die Kopfseite der Heizkammer und/oder des Heizkörpers jeweils durch eine Radiators may be open on one or the sides of the head. It is conceivable that the head side of the heating chamber and / or the radiator each by a
Deckeleinrichtung abgedeckt und/oder abdeckbar ist. Eine solche Deckeleinrichtung kann gegebenenfalls auch eine Isolationskammer kopfseitig abdecken. Eine Cover device is covered and / or coverable. If appropriate, such a cover device can also cover an insulation chamber on the head side. A
Deckeleinrichtung kann allgemein eine Wandung und/oder einen oder mehrere Wandbereiche aufweisen, welche jeweils entsprechende Wandbereiche des Cover device may generally have a wall and / or one or more wall portions, which respectively corresponding wall portions of the
Heizkörpers wie die Außenwandung und/oder Heizrückwand und/oder Vorderwand und/oder Kammervorderwand fortzusetzen vermögen. Dabei können entsprechende Wandbereiche aneinander anschließenden und sich entlang einer Längserstreckung, etwa entlang einer Schienenlängsrichtung, fortsetzen. Dabei kann die Kontourform der jeweiligen Wand zumindest über einen Teil der Längserstreckung der Radiator as the outer wall and / or heating rear wall and / or front wall and / or chamber front wall assets to continue. Corresponding wall regions can adjoin one another and continue along a longitudinal extension, for example along a rail longitudinal direction. In this case, the contour shape of the respective wall at least over part of the longitudinal extent of the
Deckeleinrichtung im Wesentlichen beibehalten werden. Es ist vorstellbar, dass in einem Anschlussbereich, in welchem die Deckeleinrichtung und der Heizkörper aneinander angebracht sind, der Querschnitt und/oder eine Außenwandungskontour der Deckeleinrichtung dem Querschnitt und/oder der Außenwandungskontour des Heizkörpers im Wesentlichen entspricht und/oder gleicht. Die Deckeleinrichtung und der Heizkörper können jeweils gegeneinander fluiddicht abgedichtet sein, etwa vermittels einer geeigneten Dichtungseinrichtung wie einer Gummidichtung. Eine Deckeleinrichtung kann insbesondere eine Deckelvorderwand aufweisen, welche eine Vorderwand des Heizkörpers fortzusetzen vermag. Es ist vorstellbar, dass deine Deckeleinrichtung eine Deckelrückwand aufweist, welche die Heizrückwand fortzusetzen vermag. Zwei Komponenten einer Schienenheizeinrichtung, etwa Heizkörper und/oder Heizkammer und Deckeleinrichtung, können miteinander in Fluidkommunikation stehen. Eine Fluidkommunikation kann dabei allgemein beschreiben, dass sich eine Fluidströmung, insbesondere von Heizfluid, zwischen den Komponenten ausbildet und/oder auszubilden vermag. Ein Fluidanschluss kann allgemein eine Öffnung in einer Wand umfassen, durch welche Fluid zu strömen vermag und/oder welche einen Anschluss eines Fluidraums und/oder Rohrs und/oder Schlauchs ermöglicht. Eine Schienenheizeinrichtung kann allgemein einen Cover device can be maintained substantially. It is conceivable that in a connection area in which the cover device and the radiator are attached to one another, the cross-section and / or an outer wall contour of the cover device essentially corresponds to the cross-section and / or the outer wall contour of the radiator and / or resembles. The cover device and the heating element can each be sealed against each other in a fluid-tight manner, for example by means of a suitable sealing device such as a rubber seal. A cover device may in particular have a cover front wall which is able to continue a front wall of the radiator. It is conceivable that your lid device has a lid rear wall, which is able to continue the heating rear wall. Two components of a rail heating device, such as radiator and / or heating chamber and lid device, may be in fluid communication with each other. A fluid communication can generally describe that a fluid flow, in particular of heating fluid, can be formed and / or formed between the components. A fluid port may generally include an opening in a wall through which fluid is allowed to flow and / or which permits connection of a fluid space and / or tube and / or hose. A rail heater can generally a
Heizkörper und mindestens eine, insbesondere zwei, Deckeleinrichtungen Radiator and at least one, in particular two, lid devices
aufweisen. Optional kann eine Schienenheizeinrichtung Rohre und/oder Schläuche und/oder eine Wärmequelle und/oder eine Heizfluidquelle und/oder -senke exhibit. Optionally, a rail heater may include pipes and / or hoses and / or a heat source and / or a heating fluid source and / or sink
umfassen. Es ist vorstellbar, dass eine Schienenheizeinrichtung mehrere Heizkörper mit gegebenenfalls zugeordneten Deckeleinrichtungen umfasst. Ein Heizkörper kann beispielsweise aus einem metallischen Material, insbesondere Aluminium und/oder Stahl hergestellt sein. Ein Heizkörper kann insbesondere als ein Strangpressprofil ausgebildet sein, etwa aus Aluminium. Eine Heizrückwand kann aus einem gut wärmeleitenden Material ausgebildet sein, etwa einem Metall. Eine Deckeleinrichtung kann am Heizkörper auf geeignete Art befestigt oder befestigbar sein, etwa durch Verschweißen und/oder Verschrauben, beispielsweise durch selbstschneidende Schrauben. include. It is conceivable that a rail heater comprises a plurality of radiators with optionally associated lid devices. A radiator may for example be made of a metallic material, in particular aluminum and / or steel. A radiator may be formed in particular as an extruded profile, such as aluminum. A heating rear wall may be formed of a good heat-conducting material, such as a metal. A cover device can be fastened or fastened on the radiator in a suitable manner, for example by welding and / or screwing, for example by self-tapping screws.
Die vorliegende Erfindung betrifft eine Schienenheizeinrichtung, welche einen The present invention relates to a rail heater, which a
Heizkörper mit einer Heizkammer umfasst, welche dazu ausgebildet ist, von einem Heizfluid durchströmt zu werden, wobei der Heizkörper eine Heizrückwand aufweist, welche dazu ausgebildet ist, in wärmeübertragenden Kontakt mit einem Radiator having a heating chamber, which is adapted to be flowed through by a heating fluid, wherein the heating body has a Heizrückwand, which is adapted to be in heat-transmitting contact with a
Schienensteg einer zu heizenden Schiene zu stehen und/oder bringbar zu sein. Die Schienenheizeinrichtung umfasst ferner mindestens eine Deckeleinrichtung, welche an einer Kopfseite des Heizkörpers angebracht oder anbringbar ist, wobei die Rail to stand a rail to be heated and / or be brought. The Rail heating device further comprises at least one cover device which is attached or attachable to a head side of the radiator, wherein the
Deckeleinrichtung eine Deckelrückwand aufweist, welche dazu ausgebildet ist, die Heizrückwand fortzusetzen; wobei die Deckeleinrichtung eine Deckelvorderwand aufweist, in welcher eine Deckelöffnung für einen Fluidanschluss zur Zufuhr oder Abfuhr von Heizfluid vorgesehen ist. Ferner wird eine Fluidzufuhr quer zur Cover device has a lid rear wall, which is adapted to continue the heating rear wall; wherein the lid means comprises a lid front wall in which a lid opening for a fluid port for supplying or removing heating fluid is provided. Furthermore, a fluid supply across the
Längserstreckung des Heizkörpers möglich. Durch eine Umleitung des Fluidstroms, etwa durch eine geeignete Fluidführung innerhalb der Deckeleinrichtung, ergibt sich eine Verwirbelung des Fluidstroms, so dass sich innerhalb des Heizkörpers eine gleichmäßige Wärmeverteilung und Temperaturverteilung des Heizfluids einzustellen vermag. So werden Zonen bevorzugter Temperatur auf einfache Art vermieden. Longitudinal extension of the radiator possible. By a diversion of the fluid flow, such as by a suitable fluid guide within the cover device, there is a turbulence of the fluid flow, so that is able to adjust within the radiator, a uniform heat distribution and temperature distribution of the heating fluid. Thus, zones of preferred temperature are easily avoided.
Beispielsweise kann auf das Anbringen einer zusätzlichen Prallplatte verzichtet werden, welche bei Varianten mit Fluidzufuhr in Längsrichtung des Heizkörpers zweckmäßig sein kann. Es können allgemein zwei Deckeleinrichtungen vorgesehen sein, von denen eine zur Fluidzufuhr vorgesehen sein kann und die andere zur Fluidabfuhr. Der Aufbau der Deckeleinrichtung kann dabei im Wesentlichen identisch sein; es versteht sich, dass die Funktion einer Deckeleinrichtung als Fluidzufuhr oder Fluidabfuhr im Wesentlichen von der Gesamtanordnung und Anschlüssen nach Außen definiert wird. Innerhalb einer Deckeleinrichtung kann allgemein eine For example, can be dispensed with the attachment of an additional baffle plate, which may be useful in variants with fluid supply in the longitudinal direction of the radiator. It can generally be provided two lid means, one of which may be provided for fluid supply and the other for fluid removal. The structure of the cover device may be substantially identical; it is understood that the function of a lid device as fluid supply or fluid removal is essentially defined by the overall arrangement and connections to the outside. Within a lid device can generally a
Fluidführung ausgebildet sein, etwa durch Kanäle, welche als Bohrungen ausgebildet sein können. Derartige Bohrungen oder Kanäle können insbesondere gerade ausgebildet sein. Die Fluidführung kann allgemein dazu ausgebildet sein, eine oder mehrere Fluidanschlussöffnungen der Deckeleinrichtung mit der mindestens einen Deckelöffnung in Fluidkommunikation zu bringen und/oder die Deckelöffnung in Fluidkommunikation mit der Heizkammer zu bringen. Eine Deckelöffnung kann allgemein eine Anschlusseinrichtung für eine Fluidführungseinrichtung wie ein Rohr und/oder einen Schlauch aufweisen, etwa eine Aufnahme und/oder ein Gewinde. Ein Kanal und/oder eine Bohrung kann von der Deckelöffnung im Wesentlichen schräg nach oben oder im Wesentlichen horizontal geführt sein. Oben bezeichnet in dieser Beschreibung allgemein die Richtung auf den Schienenkopf zu, Unten die Richtung auf den Schienenfuß. Allgemein können Kanäle oder Bohrungen der Fluidführung jeweils mit gleichbleibendem Querschnitt ausgebildet sein. Dabei können sich Querschnittsänderungen innerhalb der Fluidführung im Wesentlichen dadurch ergeben, dass unterschiedliche Kanäle oder Bohrungen aufeinander treffen. Es kann vorgesehen sein, dass Kanäle und/oder Bohrungen sich jeweils von der Öffnung, von welcher sie sich ins Innere der Deckeleinrichtung erstrecken, geradlinig bis zu einer Verzweigungsstelle innerhalb der Deckeleinrichtung erstrecken, an welcher sie auf ein oder mehrere andere Kanäle und/oder Bohrungen treffen. Entsprechend ist vorstellbar, dass einzelne Kanäle und/oder Bohrungen der Fluidführung der Fluid guide may be formed, such as through channels, which may be formed as holes. Such holes or channels may be formed in particular straight. The fluid guide may be generally configured to fluidly communicate one or more fluid port openings of the lid device with the at least one lid opening and / or to bring the lid opening into fluid communication with the heating chamber. A lid opening can generally have a connection device for a fluid guiding device, such as a tube and / or a hose, for example a receptacle and / or a thread. A channel and / or a bore may be guided from the lid opening substantially obliquely upward or substantially horizontally. Above in this description generally refers to the direction of the rail head, down the direction of the rail foot. In general, channels or holes of the fluid guide can each be formed with a constant cross section. In this case, changes in cross section within the fluid guide can essentially result from different channels or bores meeting one another. It can be provided that channels and / or bores each extend from the opening from which they extend into the interior of the lid means, straight up to a branch point within the lid means, where they meet one or more other channels and / or holes. Accordingly, it is conceivable that individual channels and / or holes of the fluid guide the
Deckeleinrichtung die Deckeleinrichtung jeweils nicht in gerader Richtung Cover device, the cover device not in a straight direction
durchdringen. Im Rahmen dieser Beschreibung kann eine Deckelöffnung im penetrate. In the context of this description, a lid opening in
Wesentlichen eine Öffnung nach Außen beschreiben, über welche ein Anschluss an eine Fluidzufuhr oder -abfuhr in oder aus der Schienenheizeinrichtung und/oder Deckeleinrichtung möglich ist. Dabei kann eine Deckelöffnung über eine Fluidführung und/oder eine oder mehrere Fluidanschlussöffnungen in Fluidkommunikation mit einer Heizkammer stehen oder bringbar sein. Eine Deckelöffnung kann allgemein eine Öffnung in einer Außenwandkontour eines Querschnitts der Deckeleinrichtung sein. Eine Fluidanschlussöffnung kann im Wesentlichen eine Öffnung zur Essentially describe an opening to the outside, via which a connection to a fluid supply or removal in or out of the rail heater and / or cover device is possible. In this case, a lid opening via a fluid guide and / or one or more fluid connection openings may be in fluid communication with a heating chamber or be brought. A lid opening may generally be an opening in an outer wall contour of a cross section of the lid device. A fluid connection opening may essentially have an opening for
Heizkammer hin bezeichnen, über welche Fluid von einer Deckeleinrichtung in die Heizkammer einströmen oder aus dieser ausströmen kann. Eine Designate heating chamber through which fluid from a cover device flow into the heating chamber or can flow out of this. A
Fluidanschlussöffnung kann eine Flächen normale aufweisen, welche in die Fluid connection opening may have a normal surface, which in the
Heizkammer gerichtet ist; eine Flächennormale der Deckelöffnung kann an der Heizkammer vorbei gerichtet sein und/oder in einen Außenbereich gerichtet sein. Heating chamber is directed; a surface normal of the lid opening may be directed past the heating chamber and / or directed into an outside area.
Bei einer Variante kann die Deckeleinrichtung an einer am Heizkörper angebrachten oder anbringbaren Seite mindestens eine Fluidanschlussöffnung aufweisen welche es einem Heizfluid erlaubt, in die Heizkammer oder aus ihr heraus zu strömen. Eine solche Fluidanschlussöffnung kann sich aus einer Fluidführung innerhalb der In a variant, the cover device can have at least one fluid connection opening on a side mounted or attachable to the radiator, which allows a heating fluid to flow into or out of the heating chamber. Such a fluid connection opening may consist of a fluid guide within the
Deckeleinrichtung in die Heizkammer öffnen. Das Querschnittsflächenmaß einer Fluidanschlussöffnung kann allgemein kleiner sein als das Querschnittsflächenmaß der Heizkammer. Dadurch lässt sich eine verhältnismäßig große Heizfläche an der Heizrückwand ausbilden. Open lid device in the heating chamber. The cross-sectional area dimension of a fluid connection opening may be generally smaller than the cross-sectional area dimension of the heating chamber. As a result, a relatively large heating surface can be formed on the heating rear wall.
Es kann vorgesehen sein, dass die mindestens eine Fluidanschlussöffnung in Fluidkommunikation mit der Deckelöffnung ausgebildet ist. Somit kann eine It can be provided that the at least one fluid connection opening is formed in fluid communication with the lid opening. Thus, a
Fluidströmung zwischen der Deckelöffnung und der mindestens einen Fluid flow between the lid opening and the at least one
Fluidanschlussöffnung ausgebildet werden. Die Flächennormalen einer Fluid connection opening are formed. The surface normals of a
Fluidanschlussöffnung kann schräg und/oder quer, insbesondere im Wesentlichen rechtwinklig, zur Flächennormalen der Deckelöffnung ausgebildet sein. Eine Fluid connection opening may obliquely and / or transversely, in particular substantially be formed at right angles to the surface normal of the lid opening. A
Fluidführung innerhalb der Deckeleinrichtung kann dazu ausgebildet sein, die Fluidkommunikation zwischen den Öffnungen zu ermöglichen. Das Fluid routing within the capping device may be configured to permit fluid communication between the ports. The
Querschnittsflächenmaß der Deckelöffnung kann größer ausgebildet sein als das Querschnittsflächenmaß der mindestens einen Fluidanschlussöffnung. Cross-sectional area dimension of the lid opening can be made larger than the cross-sectional area dimension of the at least one fluid connection opening.
Es ist vorstellbar, dass die Deckeleinrichtung und der Heizkörper im Wesentlichen identische Querschnittsflächen aufweisen. Somit kann die Deckeleinrichtung sich ebenfalls an das Schienenprofil schmiegen und/oder in der Schienenkammer aufgenommen sein, ohne zusätzliche Anpassungsmaßnahmen zu erfordern. It is conceivable that the cover device and the radiator have substantially identical cross-sectional areas. Thus, the lid device may also nestle against the rail profile and / or be accommodated in the rail chamber without requiring additional adaptation measures.
Bei einer Weiterbildung kann vorgesehen sein, dass die Deckeleinrichtung In a further development it can be provided that the cover device
mindestens und/oder genau zwei Fluidanschlussöffnungen aufweist, welche es jeweils Heizfluid erlauben, in die Heizkammer und/oder aus ihr heraus zu strömen. Die Summe der Querschnittsflächenmaße der Fluidanschlussöffnungen kann geringer sein als das Querschnittsflächenmaß der Heizkammer, so dass sich innerhalb der Heizkammer eine langsamere Strömung ausbilden kann als innerhalb der Kanäle der Fluidführung, die zu den Fluidanschlussöffnungen führen. Die at least and / or exactly two fluid connection openings which each allow heating fluid to flow into and / or out of the heating chamber. The sum of the cross-sectional area dimensions of the fluid connection openings may be less than the cross-sectional area dimension of the heating chamber so that a slower flow may form within the heating chamber than within the channels of the fluid conduit leading to the fluid connection openings. The
Fluidführung kann eine Verzweigungsstelle aufweisen, von welcher derartige Kanäle von einem mit einer Deckelöffnung verbundenen Kanal abzweigen. Von mindestens einer der Fluidanschlussöffnung kann sich ein Kanal und/oder eine Bohrung schräg innerhalb der Deckeleinrichtung zu einem von der Deckelöffnung geführten Kanal oder Bohrung erstrecken. Dabei kann die Querschnittsform eines schräg geführten Kanals von einer runden Querschnittsform abweichen und etwa oval ausgebildet sein, etwa durch Schrägführung eines Fräs- oder Bohrwerkzeugs. Die Fluid guide may have a branch point, from which such channels branch off from a channel connected to a lid opening. From at least one of the fluid connection opening, a channel and / or a bore may extend obliquely within the cover device to a channel or bore guided by the cover opening. In this case, the cross-sectional shape of an obliquely guided channel deviate from a round cross-sectional shape and be formed approximately oval, such as by oblique guide a milling or drilling tool. The
Fluidanschlussöffnungen können übereinander angeordnet sein, um eine gute Flächenausnutzung und weitere Verwirbelung des Heizfluids in vertikaler Richtung zu ermöglichen. Fluid connection openings can be arranged one above the other in order to allow good area utilization and further swirling of the heating fluid in the vertical direction.
Die Deckeleinrichtung kann allgemein eine in Fluidkommunikation mit der The lid means may generally be in fluid communication with the
Deckelöffnung ausgebildete Fluidführung aufweisen. Die Fluidführung kann durch Bohrungen gebildet sein, welche jeweils von der mindestens einen Deckelöffnung und/oder einer mindestens einen Fluidanschlussöffnung ausgehend ins Innere des Deckelkörpers gebohrt sein können, etwa um sich derart zu treffen, dass eine durchgehende Fluidführung ausgebildet ist. Having lid opening formed fluid guide. The fluid guide can be formed by bores, which in each case originate from the at least one cover opening and / or at least one fluid connection opening into the interior of the Cover body can be drilled, about to meet in such a way that a continuous fluid guide is formed.
Bei einer Weiterbildung kann die Fluidführung innerhalb der Deckeleinrichtung eine Verengung des Strömungsquerschnitts aufweisen. Die Verengung kann etwa bei einer Stelle ausgebildet sein, an welcher sich mindestens zwei Kanäle, insbesondere Bohrungen, der Fluidführung treffen. Die Verengung kann insbesondere an einer Stelle vorgesehen sein, an welcher ein Kanal von der Deckelöffnung auf einen Kanal von einer Fluidanschlussöffnung zur Heizkammer trifft. In a development, the fluid guide within the cover device may have a narrowing of the flow cross-section. The constriction can be formed approximately at a point at which at least two channels, in particular holes, meet the fluid guide. The constriction may in particular be provided at a location at which a channel from the lid opening meets a channel from a fluid connection opening to the heating chamber.
Die Verengung kann eine sprungartige Verengung sein. Dadurch ergibt sich eine Prallstelle, welche zu einer Verwirbelung des einströmenden Heizfluids führt. Eine sprungartige Verengung kann eine Verengung bezeichnen, an welcher sich der Strömungsquerschnitt im Wesentlichen instantan und/oder sprungartig und/oder unstetig ändert. Dies kann beispielsweise dadurch erreicht werden, dass das The narrowing can be a sudden narrowing. This results in a point of impact, which leads to a turbulence of the inflowing heating fluid. An abrupt constriction may denote a constriction at which the flow cross section changes substantially instantaneously and / or abruptly and / or discontinuously. This can be achieved for example by the fact that
Querschnittsflächenmaß eines Kanals von einer Fluidanschlussöffnung geringer ist als das Querschnittsflächenmaß eines Kanals von der Deckelöffnung, welcher in diesen Kanal mündet. Alternativ oder zusätzlich können die Querschnittsform der Kanäle und/oder die Auftrefflage der Kanäle aufeinander geeignet ausgebildet sein, um eine solche sprungartige Verengung bereitzustellen. Cross sectional area dimension of a passage from a fluid port is less than the cross sectional area dimension of a passage from the lid opening which opens into this passage. Alternatively or additionally, the cross-sectional shape of the channels and / or the impact position of the channels may be designed to be suitable for one another in order to provide such a sudden constriction.
Die Fluidführung kann mindestens eine Verzweigung aufweisen. Die Verzweigung kann zu einer Aufteilung oder Zusammenführung von Fluidstromen von oder zu zwei Fluidanschlussöffnungen ausgebildet sein. Es ist vorstellbar, dass innerhalb der Deckelöffnung eine Verzweigung derart ausgebildet ist, dass sich Kanäle von der Deckelöffnung und Kanäle von Fluidanschlussöffnungen zur Heizkammer an einer gemeinsamen Stelle treffen und die Verzweigung definieren. Es können mehrere Verzweigungen vorgesehen sein, die jeweils etwa durch aufeinander treffende Kanäle und/oder Bohrungen, insbesondere solche, welche geradlinig geführt sind gebildet sein können. So kann eine Verzweigungsstruktur der Fluidführung The fluid guide may have at least one branch. The branch may be configured to divide or merge fluid streams from or to two fluid port openings. It is conceivable that within the lid opening, a branch is formed such that channels from the lid opening and channels of fluid connection openings to the heating chamber meet at a common point and define the branch. There may be provided several branches, each of which may be formed by passing channels and / or bores, in particular those which are guided in a straight line. Thus, a branching structure of the fluid guide
ausgebildet sein. be educated.
Es ist vorstellbar, dass die Fluidführung dazu ausgebildet ist, das Heizfluid im It is conceivable that the fluid guide is adapted to the heating fluid in
Wesentlichen orthogonal zur Einströmrichtung des Fluides in die Deckelöffnung in die Heizkammer zu führen. Durch die Umlenkung des Heizfluidstroms ergibt sich zum einen eine Platzersparnis in Längsrichtung und zum anderen eine Verwirbelung des Heizfluidstroms. Substantially orthogonal to the direction of flow of the fluid into the lid opening in to lead the heating chamber. The deflection of the Heizfluidstroms results on the one hand a space savings in the longitudinal direction and on the other a turbulence of Heizfluidstroms.
Im Folgenden werden Ausführungsformen von Schienenheizeinrichtungen anhand der beiliegenden Figuren beispielhaft erläutert. Dabei bezeichnen gleiche In the following, embodiments of rail heating devices will be explained by way of example with reference to the attached figures. Here are the same
Bezugszeichen gleiche oder funktional ähnliche Elemente. Reference numerals same or functionally similar elements.
Es zeigen: Show it:
Fig. 1 einen Querschnitt eines beispielhaften Heizkörpers einer Fig. 1 shows a cross section of an exemplary radiator one
Schienenheizeinrichtung;  Schienenheizeinrichtung;
Fig. 2 eine Seitenansicht einer beispielhaften Schienenheizeinrichtung; FIG. 2 is a side view of an exemplary rail heater; FIG.
Fig. 3 eine kopfseitige Ansicht einer beispielhaften Deckeleinrichtung;  3 is a top view of an exemplary lid device;
Fig. 4 eine Schrägsicht einer beispielhaften Schienenheizeinrichtung; sowie FIG. 4 is an oblique view of an exemplary rail heater; FIG. such as
Fig. 5 eine Schrägsicht einer weiteren beispielhaften Schienenheizeinrichtung. Fig. 5 is an oblique view of another exemplary rail heater.
Fig. 1 zeigt einen Querschnitt eines beispielhaften Heizkörpers 10 einer Fig. 1 shows a cross section of an exemplary radiator 10 of a
Schienenheizeinrichtung 100. Der Heizkörper 10 weist eine Heizkammer 12 auf, welche zwischen einer Heizrückwand 14 und einer Kammervorderwand 16 Rail heating device 100. The heating element 10 has a heating chamber 12 which is arranged between a heating rear wall 14 and a chamber front wall 16
ausgebildet ist, die oben und unten über Querwände 13 in einander übergehen. Die Heizrückwand 14 und die Querwände 13 sind dazu ausgebildet, sich an ein is formed, the above and below pass over transverse walls 13 in each other. The heating rear wall 14 and the transverse walls 13 are adapted to a
Schienenprofil einer zu heizenden Schiene (nicht gezeigt) anzuschmiegen. Es ist ferner eine Isolationskammer 20 vorgesehen, welche zwischen einer Vorderwand 18 und der Kammervorderwand 16 ausgebildet ist. Die Vorderwand 18 bildet zusammen mit der Heizrückwand 14 und dazwischen ausgebildeten Querwänden 13 die Rail profile of a rail to be heated (not shown) to be adapted. There is further provided an isolation chamber 20 which is formed between a front wall 18 and the chamber front wall 16. The front wall 18 forms, together with the heating rear wall 14 and transverse walls 13 formed therebetween
Außenwandkontur des Heizkörpers 10. Die Heizkammer 12 und die Outside wall contour of the radiator 10. The heating chamber 12 and the
Isolationskammer 20 sind kopfseitig jeweils offen ausgebildet und können über die Schraubkanäle 22 mit einer Deckeleinrichtung verschraubt werden. Im Betrieb wird über eine der offenen Kopfseiten Heizfluid in die Heizkammer 12 eingebracht, welches über die Heizrückwand 14 Wärme an eine Schiene abzugeben vermag und die Heizkammer 12 auf der gegenüberliegenden Kopfseite wieder verlässt. Fig. 2 zeigt eine Seitenansicht einer Schienenheizeinrichtung 100 mit einem Isolation chamber 20 are each open on the head side and can be screwed via the screw 22 with a cover device. In operation, heating fluid is introduced into the heating chamber 12 via one of the open head sides, which heat can be delivered to a rail via the heating rear wall 14 and leaves the heating chamber 12 again on the opposite side of the head. Fig. 2 shows a side view of a rail heater 100 with a
Heizkörper 10, etwa wie in Fig. 1 gezeigt, an welchem jeweils kopfseitig Radiator 10, approximately as shown in Fig. 1, on which each head side
Deckeleinrichtungen 30 angeschraubt sind. Die Deckeleinrichtungen 30 weisen jeweils eine Deckelöffnung 32 zum Anschluss einer Fluidführungseinrichtung auf, und können jeweils geeignete Anschlusseinrichtungen aufweisen, etwa Gewinde und/oder Rohrvorsprünge- und/oder -anschlüsse, um beispielsweise Rohre und/oder Schläuche für Heizfluid anzuschließen. Es sind selbstschneidende Schrauben 24 zu erkennen, welche über die Schraubkanäle 22 und entsprechende in den Cover devices 30 are screwed. The cover devices 30 each have a cover opening 32 for connecting a fluid guide device, and may each have suitable connection devices, such as threads and / or tube projections and / or connections, for example, to connect pipes and / or hoses for heating fluid. There are self-tapping screws 24 can be seen, which via the screw 22 and corresponding in the
Deckeleinrichtungen 30 vorgesehene Kanäle 34 die Deckeleinrichtungen jeweils kopfseitig am Heizkörper 10 befestigen. Über eine Dichtung 26 sind jeweils die Deckeleinrichtung 30 und der Heizkörper 10 gegeneinander abgedichtet. Die Lidding means 30 provided channels 34, the lid means in each case fasten on the head side on the radiator 10. About a seal 26 each of the lid device 30 and the radiator 10 are sealed from each other. The
Dichtung umgibt dabei die nachfolgend gezeigten Fluidanschlussöffnungen von Außen. Seal surrounds the fluid connection openings shown below from the outside.
Fig. 3 zeigt einen Querschnitt einer Deckeleinrichtung 30. Von der Deckelöffnung 32 ist ein als Bohrung aufgeführter Fluidkanal 33 in diesem Beispiel in gerader Linie schräg nach oben ins Innere der Deckeleinrichtung 30 geführt. Es sind eine obere Fluidanschlussöffnung 36 und eine untere Fluidanschlussöffnung 38 zu erkennen, welche sich in der Fig. 2 jeweils in die Heizkammer 12 öffnen. Von der oberen Fluidanschlussöffnung 36 ist ein Fluidkanal 37 schräg nach unten gebohrt, um an einer Verzweigungsstelle 40 auf die Bohrung 33 von der Deckelöffnung 32 zu treffen. Von der unteren Fluidanschlussöffnung 38 erstreckt sich ein Fluidkanal 39 in diesem Beispiel geradlinig horizontal bis zur Verzweigungsstelle 40. Das FIG. 3 shows a cross-section of a cover device 30. A fluid channel 33, which is shown as a bore, is guided obliquely upward into the interior of the cover device 30 in a straight line in this example from the cover opening 32. An upper fluid connection opening 36 and a lower fluid connection opening 38 can be seen, which each open into the heating chamber 12 in FIG. 2. From the upper fluid connection opening 36, a fluid channel 37 is drilled obliquely downward to meet at a branch point 40 on the bore 33 of the lid opening 32. From the lower fluid connection opening 38, a fluid channel 39 in this example extends in a straight line horizontally up to the branch point 40
Querschnittsflächenmaß des Kanals 33 ist größer als die Querschnittsflächenmaße der Kanäle 37 und 39, so dass sich an der Verzweigungsstelle 40 eine Verengung des Strömungsquerschnitts mit einem Prallrand ergibt, welcher an der Sectional dimension of the channel 33 is greater than the cross-sectional surface dimensions of the channels 37 and 39, so that at the branch point 40, a narrowing of the flow cross-section results with a bumper edge, which at the
Verzweigungsstelle durch Übergang vom Kanal 33 zu den Kanälen 37 und 39 ausgebildet ist. Beim Übergang von Heizfluid vom Kanal 33 zur Verzweigungsstelle 40. und den Kanälen 37 und 39 ergibt sich somit eine Verwirbelung des Heizfluids. Weitere Verwirbelung wird durch die Umlenkung des Heizfluids beim Strömen durch die von den Kanälen 33, 37 und 39 gebildeten Fluidführung der Deckeleinrichtung 30 von der Einströmungsrichtung in die Deckeleinrichtung in die Ausströmungsrichtung zur Heizkammer 12 erzeugt. Darüber hinaus ergibt sich eine Verwirbelung durch das Aufeinandertreffen der in den Kanälen 37, 39 getrennt geführten Heizfluidströme in der Heizkammer 12. Dadurch kann sich eine gleichmäßige Wärmeverteilung ausbilden und eine Schichtung von Heizfluid unterschiedliche Temperatur innerhalb der Heizkammer 12 bleibt aus. Auf der gegenüberliegenden Kopfseite wird das Heizfluid über eine entsprechende Deckeleinrichtung 30 wieder abgeführt. Zur Abführung kann jedoch eine andere Deckeleinrichtung vorgesehen sein, da hierbei die Verwirbelung nicht unbedingt erforderlich ist. Die Verwendung gleichartiger Deckeleinrichtung 30 auf beiden Kopfseiten ermöglicht jedoch, die Fluidzufuhr auf einer beliebigen der Seiten anzuschließen. Branching point is formed by transition from the channel 33 to the channels 37 and 39. The transition of heating fluid from the channel 33 to the branching point 40th and the channels 37 and 39 thus results in a turbulence of the heating fluid. Further turbulence is generated by the deflection of the heating fluid when flowing through the fluid guide formed by the channels 33, 37 and 39 of the cover device 30 from the inflow direction into the cover device in the outflow direction to the heating chamber 12. In addition, a turbulence results from the meeting of the in the channels 37, 39 separately guided Heizfluidströme in As a result, a uniform heat distribution can form and a stratification of heating fluid different temperature within the heating chamber 12 remains off. On the opposite side of the head, the heating fluid is discharged via a corresponding cover device 30 again. For removal, however, another cover device may be provided, since in this case the turbulence is not absolutely necessary. However, the use of similar capping means 30 on both sides of the head makes it possible to connect the fluid supply to any of the sides.
Fig. 4 zeigt eine Schrägsicht einer beispielhaften Schienenheizeinrichtung 100, welche an einer Schiene 200 angelegt ist. Die Schiene 200 wiest einen Schienenkopf 202, einem Schienensteg 204 und einem Schienenfuß 206 auf, welche eine 4 shows an oblique view of an exemplary rail heater 100 applied to a rail 200. The rail 200 has a rail head 202, a rail web 204 and a rail foot 206, which has a
Schienenkammer 208 definieren, in welcher die Schienenheizeinrichtung 100 aufgenommen ist, so dass sich die Heizrückwand 14 an das von der Schiene gebildete Profil anschmiegt. Es ist zu erkennen, wie sich Anschlusselemente 42 wie Rohre oder Schlauchstücke von den Deckelöffnungen 30 in gerader Fortsetzung der Richtung der Bohrung 33 erstrecken. Define rail chamber 208, in which the rail heater 100 is received, so that the heating rear wall 14 conforms to the profile formed by the rail. It can be seen how connecting elements 42 such as pipes or hose pieces extend from the lid openings 30 in a straight continuation of the direction of the bore 33.
Fig. 5 zeigt eine Schrägansicht einer weiteren beispielhaften Fig. 5 shows an oblique view of another exemplary
Schienenheizeinrichtung 100, welche sich von der in Fig. 1 -4 gezeigten Anordnung hinsichtlich des Querschnitts und des zur Erwärmung vorgesehenen Schienenprofils unterscheidet. Aufgrund des insgesamt niedrigeren Profils ist die Bohrung 33 von der Deckelöffnung 30 in diesem Beispiel im Wesentlichen horizontal geführt. Rail heater 100, which differs from the arrangement shown in Fig. 1 -4 in terms of the cross section and provided for heating rail profile. Due to the overall lower profile, the bore 33 is guided substantially horizontally by the lid opening 30 in this example.
Die beschriebenen Merkmale können einzeln oder in beliebiger Kombination für die Umsetzung der Erfindung relevant sein. The features described may be relevant individually or in any combination for the implementation of the invention.
Bezugszeichenliste LIST OF REFERENCE NUMBERS
10 Heizkörper 10 radiators
12 Heizkammer  12 heating chamber
13 Querwand  13 transverse wall
14 Heizrückwand  14 heating rear wall
16 Kammervorderwand  16 chamber front wall
18 Vorderwand  18 front wall
20 Isolationskammer  20 isolation chamber
22 Schraubkanal  22 screw channel
24 Schrauben  24 screws
26 Dichtung  26 seal
30 Deckeleinrichtung  30 lid device
32 Deckelöffnung  32 lid opening
33 Kanal  33 channel
34 Schraubkanal  34 screw channel
36 obere Fluidanschlussoffnung 36 upper fluid port opening
37 Kanal 37 channel
38 untere Fluidanschlussoffnung 38 lower fluid port opening
39 Kanal 39 channel
40 Verzweigungsstelle  40 branch point
42 Anschlusselement  42 connection element
100 Schienenheizeinrichtung 100 rail heater
200 Schiene 200 rail
202 Schienenkopf  202 rail head
204 Schienensteg  204 rail bridge
206 Schienenfuß  206 rail foot
208 Schienen kammer  208 rail chamber

Claims

Patentansprüche claims
1 . Schienenheizeinrichtung, umfassend: 1 . Rail heater comprising:
einen Heizkörper mit einer Heizkammer, welche dazu ausgebildet ist, von einem Heizfluid durchströmt zu werden, wobei der Heizkörper eine Heizrückwand aufweist, welche dazu ausgebildet ist, in wärmeübertragenden Kontakt mit einem Schienensteg einer zu heizenden Schiene zu stehen und/oder bringbar zu sein; mindestens eine Deckeleinrichtung, welche an einer Kopfseite des  a heating body having a heating chamber adapted to be flowed through by a heating fluid, the heating body having a heating rear wall which is adapted to be and / or to be in heat-transferring contact with a rail web of a rail to be heated; at least one lid device, which on a head side of
Heizkörpers angebracht oder anbringbar ist, wobei die Deckeleinrichtung eine Deckelrückwand aufweist, welche dazu ausgebildet ist, die Heizrückwand Radiator is attached or attachable, wherein the cover device has a lid rear wall, which is adapted to the heating rear wall
fortzusetzen; dadurch gekennzeichnet, dass die Deckeleinrichtung eine continue; characterized in that the lid means a
Deckelvorderwand aufweist, in welcher eine Deckelöffnung für einen Fluidanschluss zur Zufuhr oder Abfuhr von Heizfluid vorgesehen ist. Cover front wall, in which a cover opening is provided for a fluid connection for the supply or removal of heating fluid.
2. Schienenheizeinrichtung nach Anspruch 1 , wobei die Deckeleinrichtung an einer am Heizkörper angebrachten oder anbringbaren Seite mindestens einen 2. rail heater according to claim 1, wherein the cover means at least one on a radiator attached or attachable side
Fluidanschlussoffnung aufweist, welche es einem Heizfluid erlaubt, in die Having Fluidanschlussoffnung, which allows a heating fluid, in the
Heizkammer oder aus ihr heraus zu strömen. Heating chamber or to flow out of it.
3. Schienenheizeinrichtung nach Anspruch 2, wobei die mindestens eine 3. rail heater according to claim 2, wherein the at least one
Fluidanschlussoffnung in Fluidkommunikation mit der Deckelöffnung ausgebildet ist. Fluidanschlussoffnung is formed in fluid communication with the lid opening.
4. Schienenheizeinrichtung nach einem der vorhergehenden Ansprüche, wobei die Deckeleinrichtung und der Heizkörper im Wesentlichen identische 4. Rail heater according to one of the preceding claims, wherein the cover device and the radiator are substantially identical
Querschnittsflächen aufweisen. Have cross-sectional areas.
5. Schienenheizeinrichtung nach einem der vorhergehenden Ansprüche, wobei die Deckeleinrichtung mindestens zwei Fluidanschlussöffnungen aufweist, welche es jeweils Heizfluid erlauben, in die Heizkammer oder aus ihr heraus zu strömen. 5. Rail heating device according to one of the preceding claims, wherein the cover device has at least two fluid connection openings, which respectively allow heating fluid to flow into the heating chamber or out of it.
6. Schienenheizeinrichtung nach einem der vorhergehenden Ansprüche, wobei die Deckeleinrichtung eine in Fluidkommunikation mit der Deckelöffnung ausgebildete Fluidführung aufweist. 6. rail heater according to one of the preceding claims, wherein the cover means comprises a formed in fluid communication with the lid opening fluid guide.
7. Schienenheizeinrichtung nach Anspruch 6, wobei die Fluidführung innerhalb der Deckeleinrichtung eine Verengung des Strömungsquerschnitts aufweist. 7. rail heater according to claim 6, wherein the fluid guide within the cover means has a constriction of the flow cross-section.
8. Schienenheizeinrichtung nach Anspruch 7, wobei die Verengung eine sprungartige Verengung ist. 8. rail heater according to claim 7, wherein the constriction is a sudden constriction.
9. Schienenheizeinrichtung nach einem der Ansprüche 6 bis 8, wobei die 9. rail heater according to one of claims 6 to 8, wherein the
Fluidführung mindestens eine Verzweigung aufweist. Fluid guide has at least one branch.
10. Schienenheizeinrichtung nach einem der Ansprüche 6 bis 9, wobei die 10. rail heater according to one of claims 6 to 9, wherein the
Fluidführung dazu ausgebildet ist, das Heizfluid im Wesentlichen orthogonal zur Einströmrichtung in die Deckelöffnung in die Heizkammer zu führen. Fluid guide is adapted to lead the heating fluid substantially orthogonal to the inflow direction in the lid opening in the heating chamber.
EP15708180.3A 2014-03-07 2015-03-03 Rail heating device Not-in-force EP3114280B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15708180T PL3114280T3 (en) 2014-03-07 2015-03-03 Rail heating device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014103062.1A DE102014103062B3 (en) 2014-03-07 2014-03-07 Schienenheizeinrichtung
PCT/EP2015/054346 WO2015132220A1 (en) 2014-03-07 2015-03-03 Rail heating device

Publications (2)

Publication Number Publication Date
EP3114280A1 true EP3114280A1 (en) 2017-01-11
EP3114280B1 EP3114280B1 (en) 2018-12-05

Family

ID=52629558

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EP15708180.3A Not-in-force EP3114280B1 (en) 2014-03-07 2015-03-03 Rail heating device

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EP (1) EP3114280B1 (en)
DE (1) DE102014103062B3 (en)
DK (1) DK3114280T3 (en)
PL (1) PL3114280T3 (en)
WO (1) WO2015132220A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO347329B1 (en) * 2021-07-14 2023-09-18 Bane Nor Sf System for heating of railway tracks and switches

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Publication number Priority date Publication date Assignee Title
DE202012103255U1 (en) * 2012-08-28 2013-12-02 Triple S-Gmbh Heat exchanger for a rail heater

Also Published As

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PL3114280T3 (en) 2019-05-31
DE102014103062B3 (en) 2015-06-18
EP3114280B1 (en) 2018-12-05
DK3114280T3 (en) 2019-03-25
WO2015132220A1 (en) 2015-09-11

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