EP2889199A1 - Device for cooling components, in particular for a rail vehicle - Google Patents

Device for cooling components, in particular for a rail vehicle Download PDF

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Publication number
EP2889199A1
EP2889199A1 EP14195581.5A EP14195581A EP2889199A1 EP 2889199 A1 EP2889199 A1 EP 2889199A1 EP 14195581 A EP14195581 A EP 14195581A EP 2889199 A1 EP2889199 A1 EP 2889199A1
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EP
European Patent Office
Prior art keywords
opening
cooling device
component
housing
lateral
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
EP14195581.5A
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German (de)
French (fr)
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EP2889199B1 (en
Inventor
Huu-Thi Do
Tony Faucher
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Alstom Transport Technologies SAS
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Alstom Transport Technologies SAS
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Priority to PL14195581T priority Critical patent/PL2889199T3/en
Publication of EP2889199A1 publication Critical patent/EP2889199A1/en
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Publication of EP2889199B1 publication Critical patent/EP2889199B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00—Heating, cooling, ventilating, or air-conditioning
    • B61D27/009—Means for ventilating only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • B61C17/04—Arrangement or disposition of driving cabins, footplates or engine rooms; Ventilation thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00—Heating, cooling, ventilating, or air-conditioning

Definitions

  • the present invention relates to a device for cooling at least one component intended to equip a vehicle, in particular a railway vehicle.
  • the invention relates for example to the cooling of electronic components, in particular of brake resistors.
  • brake resistors some rail vehicle braking systems are suitable for generating electrical energy during braking. These braking systems then comprise brake resistors, able to dissipate some of the electrical energy generated during braking.
  • Such brake resistors are usually cooled by a suitable cooling device.
  • a suitable cooling device comprises fans and / or at least one heat pump circuit.
  • the present invention is intended in particular to provide a cooling system of electronic components more economical than those existing in the state of the art, while allowing cooling at least equally effective.
  • the cooling system according to the invention does not require a fan or a heat pump, so that it has a lower manufacturing cost than the cooling systems of the state of the art, and no Energy is not specifically spent on cooling the component, which allows additional savings.
  • the invention also relates to a railway vehicle, comprising a roof, characterized in that it comprises a cooling device as defined above, arranged on said roof, for example in a housing formed in said roof.
  • a railway vehicle 10 comprising a cooling device 12 according to an exemplary embodiment of the invention.
  • the terms “front” and “rear” are defined according to the direction of movement of the railway vehicle.
  • Such a railway vehicle is usually able to move in two opposite directions, so that the front and rear of the vehicle can be reversed depending on the direction of travel.
  • the rail vehicle 10 conventionally comprises at least one component 14 to be cooled, for example at least one electronic component, in particular a resistor or a set of brake resistors.
  • Said cooling device 12 is intended to cool each component 14.
  • the cooling device 12 is provided for cooling three groups of components 14.
  • the railway vehicle 10 comprises at least one car provided with a roof 16, on which the cooling device 12 is arranged.
  • the cooling device 12 is arranged on the roof 16 of the vehicle. 'a driving car of this railway vehicle 10.
  • said roof 16 comprises a housing 18, in which is housed the cooling device 12, so that this cooling device 12 does not extend, or little, projecting above the roof 16.
  • the cooling device 12 comprises a housing 20, comprising side walls 22 and an upper wall 24.
  • the housing 20 also comprises inclined intermediate walls 26, each extending transversely between a respective side wall 22 and the upper wall 24.
  • the housing 20 is housed in said housing 18, so that the upper wall 24 is substantially flush with the roof 16 of the railway vehicle.
  • the housing 20 delimits a housing 28 for each component or group of components 14.
  • a housing 28 for each component or group of components 14 For example, as shown in particular in FIG. figure 3 two adjacent housings 28 are separated by a leaktight wall 30 perpendicular to the top wall 24 and to the side walls 22.
  • Each housing 28 has at least one lateral air inlet opening 32 formed in one of the side walls 22, and an upper air outlet opening 34 formed in the upper wall 24.
  • Each housing 28 then forms an air guide duct, in which is housed the corresponding component or group of components 14, extending between each inlet side opening 32 and the upper outlet opening 34.
  • each housing 28 has two lateral air inlet openings 32, each formed in a respective lateral wall 22, hence on either side of the component or group of components 14 housed in this housing 28.
  • each air inlet opening 32 is arranged facing the corresponding component or group of components 14, and each air outlet opening 34 is formed above the corresponding component or group of components 14, opposite of it.
  • the air flows flowing in the housing 28 therefore pass directly from the air inlet openings 32 to the air outlet opening 34, via the component or group of components 14.
  • the cooling device 12 in the case of a railway vehicle, the cooling device 12 must be able to operate irrespective of the direction of circulation of the railway vehicle.
  • each upper opening 34 has a symmetrical shape with respect to a respective median plane perpendicular to the upper wall 24 and the side walls 22.
  • each lateral opening 32 has a symmetrical shape with respect to a respective perpendicular median plane at the side wall 22 and at the top wall 24.
  • each air guide duct 28 comprises, for each inlet side opening 32, an upstream portion 36 extending this lateral opening 32 to the corresponding component 14.
  • This upstream portion 36 is delimited by upper surfaces 36A and lower 36B substantially flat and parallel to each other, and curved front and rear surfaces 36C converging towards one another from the lateral opening 32 towards the component 14.
  • the upstream portion 36 has a shape promoting the speed gain of the air flows, which optimizes the cooling of the component 14.
  • the upper wall 24 is provided, for each upper opening 34, with at least one deflector element 38 projecting from this upper wall 24, and extending along a front or rear edge of this upper opening 34, perpendicular to the side walls 22.
  • Each deflector element 38 has for example a triangular section.
  • each upper opening 34 is provided with two deflector elements 38, extending one along the front edge and the other along the rear edge of the upper opening 34.
  • the deflector element 38 extending along the front edge makes it possible to deflect the air flowing along the roof 16 of the railway vehicle 10, so that this air bypasses the upper opening 34 and does not penetrate into the housing 28 through this upper opening 34.
  • This deflector element 38 also makes it possible to generate a depression above the upper opening 34, favoring the circulation of the air flows in the guide duct 18, from the inlet side openings 32 to the main opening. upper outlet opening 34.
  • cooling device 12 could be intended for cooling other components.
  • the cooling device 12 could equip another type of vehicle, for example road or air. In this case, it is not necessary to provide symmetrical operation of the cooling device.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

Le dispositif de refroidissement (12) comporte un boîtier (20), destiné à être agencé sur un toit (16) du véhicule, ledit boîtier (20) comprenant deux parois latérales (22) et une paroi supérieure (24), délimitant ensemble un logement pour chaque composant. Chaque logement forme un conduit de guidage d'air dans lequel est logé le composant correspondant, ledit conduit s'étendant entre au moins une ouverture latérale d'entrée d'air (32) ménagée dans l'une des parois latérales (22) et une ouverture supérieure de sortie d'air (34), ménagée dans la paroi supérieure (24).The cooling device (12) comprises a casing (20) intended to be arranged on a roof (16) of the vehicle, said casing (20) comprising two lateral walls (22) and an upper wall (24), defining together a housing for each component. Each housing forms an air guide duct in which is housed the corresponding component, said duct extending between at least one lateral air inlet opening (32) formed in one of the side walls (22) and an upper air outlet opening (34) formed in the upper wall (24).

Description

La présente invention concerne un dispositif de refroidissement d'au moins un composant, destiné à équiper un véhicule, notamment un véhicule ferroviaire.The present invention relates to a device for cooling at least one component intended to equip a vehicle, in particular a railway vehicle.

L'invention concerne par exemple le refroidissement de composants électronique, notamment de résistances de freins. En effet, certains systèmes de freinage de véhicules ferroviaires sont propres à générer de l'énergie électrique lors du freinage. Ces systèmes de freinage comportent alors des résistances de freins, propres à dissiper une partie de l'énergie électrique générée au cours d'un freinage.The invention relates for example to the cooling of electronic components, in particular of brake resistors. Indeed, some rail vehicle braking systems are suitable for generating electrical energy during braking. These braking systems then comprise brake resistors, able to dissipate some of the electrical energy generated during braking.

De telles résistances de freins sont habituellement refroidies par un dispositif de refroidissement adapté. Généralement, un tel dispositif de refroidissement comporte des ventilateurs et/ou au moins un circuit de pompe à chaleur.Such brake resistors are usually cooled by a suitable cooling device. Generally, such a cooling device comprises fans and / or at least one heat pump circuit.

La présente invention a notamment pour but de fournir un système de refroidissement de composants électroniques plus économique que ceux existant dans l'état de la technique, tout en permettant un refroidissement au moins aussi efficace.The present invention is intended in particular to provide a cooling system of electronic components more economical than those existing in the state of the art, while allowing cooling at least equally effective.

A cet effet, l'invention a notamment pour objet un système de refroidissement d'au moins un composant, destiné à équiper un véhicule, notamment un véhicule ferroviaire, caractérisé en ce que :

  • le dispositif comporte un boîtier, destiné à être agencé sur un toit du véhicule, ledit boîtier comprenant deux parois latérales et une paroi supérieure, délimitant ensemble un logement pour chaque composant,
  • chaque logement forme un conduit de guidage d'air dans lequel est logé le composant correspondant, ledit conduit s'étendant entre au moins une ouverture latérale d'entrée d'air ménagée dans l'une des parois latérales et une ouverture supérieure de sortie d'air, ménagée dans la paroi supérieure,
  • chaque ouverture latérale présente une forme symétrique par rapport à un plan médian respectif perpendiculaire à la paroi latérale et à la paroi supérieure, et
  • chaque conduit de guidage d'air comporte, pour chaque ouverture latérale, une partie amont prolongeant cette ouverture latérale vers le composant correspondant, cette partie amont étant délimitée par des surfaces supérieure et inférieure sensiblement planes, et par des surfaces avant et arrière incurvées convergeant l'une vers l'autre depuis l'ouverture latérale en direction du composant.
For this purpose, the subject of the invention is in particular a system for cooling at least one component intended to equip a vehicle, in particular a railway vehicle, characterized in that:
  • the device comprises a housing intended to be arranged on a roof of the vehicle, said housing comprising two side walls and an upper wall, together defining a housing for each component,
  • each housing forms an air guide duct in which is housed the corresponding component, said duct extending between at least one lateral air inlet opening formed in one of the side walls and an upper outlet opening of air, formed in the upper wall,
  • each lateral opening has a symmetrical shape with respect to a respective median plane perpendicular to the lateral wall and to the upper wall, and
  • each air guide duct comprises, for each lateral opening, an upstream part prolonging this lateral opening towards the corresponding component, this upstream part being delimited by substantially flat upper and lower surfaces, and by curved front and rear surfaces converging the towards each other since the lateral opening towards the component.

Lorsque le véhicule se déplace, l'air s'engouffre à travers chaque ouverture latérale d'entrée, et circule dans le conduit de guidage jusqu'à l'ouverture de sortie. Le composant étant agencé dans ce conduit de guidage d'air, les flux d'air circulent dans ce conduit au contact de ce composant, échangeant ainsi de la chaleur avec ce composant en vue de le refroidir.As the vehicle moves, air rushes through each inlet side opening, and flows through the guide duct to the outlet opening. The component being arranged in this air guide duct, the air flows circulate in this leads to contact with this component, exchanging heat with this component for cooling.

Ainsi, le système de refroidissement selon l'invention ne nécessite pas de ventilateur ni de pompe à chaleur, si bien qu'il présente un coût de fabrication moins important que les systèmes de refroidissement de l'état de la technique, et qu'aucune énergie n'est spécifiquement dépensée pour le refroidissement du composant, ce qui permet une économie supplémentaire.Thus, the cooling system according to the invention does not require a fan or a heat pump, so that it has a lower manufacturing cost than the cooling systems of the state of the art, and no Energy is not specifically spent on cooling the component, which allows additional savings.

Un dispositif de refroidissement selon l'invention peut comporter en outre l'une ou plusieurs des caractéristiques suivantes, prises seules ou selon toutes combinaisons techniquement envisageables :

  • Chaque ouverture latérale d'entrée d'air est ménagée en regard du composant correspondant.
  • Chaque ouverture supérieure de sortie d'air est ménagée en regard du composant correspondant.
  • Le boîtier présente, pour chaque composant, deux ouvertures latérales d'entrée d'air, chacune ménagée sur une paroi latérale respective.
  • Chaque ouverture supérieure présente une forme symétrique par rapport à un plan médian respectif perpendiculaire à la paroi supérieure et aux parois latérales.
  • La paroi supérieure comporte, pour chaque ouverture supérieure, au moins un élément déflecteur, s'élevant en saillie depuis la paroi supérieure, et s'étendant le long d'un bord avant ou arrière de l'ouverture supérieure, perpendiculairement aux parois latérales.
  • La paroi supérieure comporte, pour chaque ouverture supérieure, deux éléments déflecteurs, s'étendant respectivement le long du bord avant et du bord arrière de l'ouverture supérieure.
A cooling device according to the invention may further comprise one or more of the following features, taken alone or in any technically feasible combination:
  • Each lateral opening of air inlet is arranged opposite the corresponding component.
  • Each upper air outlet opening is arranged opposite the corresponding component.
  • The housing has, for each component, two lateral air inlet openings, each formed on a respective side wall.
  • Each upper opening has a symmetrical shape with respect to a respective median plane perpendicular to the top wall and the side walls.
  • The upper wall has, for each upper opening, at least one baffle element, protruding from the top wall, and extending along a front or rear edge of the upper opening, perpendicular to the side walls.
  • The upper wall comprises, for each upper opening, two baffle elements, extending respectively along the front edge and the rear edge of the upper opening.

L'invention concerne également un véhicule ferroviaire, comprenant un toit, caractérisé en ce qu'il comporte un dispositif de refroidissement tel que défini précédemment, agencé sur ledit toit, par exemple dans un logement ménagé dans ledit toit.The invention also relates to a railway vehicle, comprising a roof, characterized in that it comprises a cooling device as defined above, arranged on said roof, for example in a housing formed in said roof.

L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple et faite en se référant aux figures annexées parmi lesquelles :

  • la figure 1 est une vue en perspective d'un véhicule ferroviaire comprenant un dispositif de refroidissement selon un exemple de mode de réalisation de l'invention ;
  • la figure 2 est un agrandissement du dispositif de refroidissement équipant le véhicule ferroviaire de la figure 1 ;
  • la figure 3 est une vue en perspective du dispositif de refroidissement de la figure 2, représenté partiellement, et dont certaines parois sont représentées en transparence.
The invention will be better understood on reading the description which follows, given solely by way of example and with reference to the appended figures in which:
  • the figure 1 is a perspective view of a railway vehicle comprising a cooling device according to an exemplary embodiment of the invention;
  • the figure 2 is an enlargement of the cooling device fitted to the railway vehicle of the figure 1 ;
  • the figure 3 is a perspective view of the cooling device of the figure 2 , partially shown, and some of whose walls are shown in transparency.

On a représenté, sur la figure 1, un véhicule ferroviaire 10 comprenant un dispositif de refroidissement 12 selon un exemple de mode de réalisation de l'invention.On the figure 1 , a railway vehicle 10 comprising a cooling device 12 according to an exemplary embodiment of the invention.

Dans la présente description, les termes « avant » et « arrière » sont définis en fonction du sens de déplacement du véhicule ferroviaire. Un tel véhicule ferroviaire est habituellement propre à se déplacer dans deux sens opposés, si bien que l'avant et l'arrière du véhicule peuvent être inversés en fonction du sens de déplacement.In the present description, the terms "front" and "rear" are defined according to the direction of movement of the railway vehicle. Such a railway vehicle is usually able to move in two opposite directions, so that the front and rear of the vehicle can be reversed depending on the direction of travel.

Le véhicule ferroviaire 10 comporte de manière classique au moins un composant 14 à refroidir, par exemple au moins un composant électronique, notamment une résistance ou un ensemble de résistances de frein. Ledit dispositif de refroidissement 12 est destiné à refroidir chaque composant 14.The rail vehicle 10 conventionally comprises at least one component 14 to be cooled, for example at least one electronic component, in particular a resistor or a set of brake resistors. Said cooling device 12 is intended to cool each component 14.

Dans l'exemple représenté, comme cela est représenté sur la figure 3, le dispositif de refroidissement 12 est prévu pour refroidir trois groupes de composants 14.In the example shown, as shown on the figure 3 , the cooling device 12 is provided for cooling three groups of components 14.

Le véhicule ferroviaire 10 comporte au moins une voiture munie d'un toit 16, sur lequel est agencé le dispositif de refroidissement 12. Par exemple, lorsque le véhicule ferroviaire 10 comporte plusieurs voitures, le dispositif de refroidissement 12 est agencé sur le toit 16 d'une voiture motrice de ce véhicule ferroviaire 10.The railway vehicle 10 comprises at least one car provided with a roof 16, on which the cooling device 12 is arranged. For example, when the railway vehicle 10 comprises several cars, the cooling device 12 is arranged on the roof 16 of the vehicle. 'a driving car of this railway vehicle 10.

Avantageusement, ledit toit 16 comprend un logement 18, dans lequel est logé le dispositif de refroidissement 12, de sorte que ce dispositif de refroidissement 12 ne s'étende pas, ou peu, en saillie au-dessus de ce toit 16.Advantageously, said roof 16 comprises a housing 18, in which is housed the cooling device 12, so that this cooling device 12 does not extend, or little, projecting above the roof 16.

Comme cela est représenté sur les figures 2 et 3, le dispositif de refroidissement 12 comporte un boîtier 20, comprenant des parois latérales 22 et une paroi supérieure 24. Dans l'exemple représenté, le boîtier 20 comprend également des parois intermédiaires inclinées 26, s'étendant chacune transversalement entre une paroi latérale 22 respective et la paroi supérieure 24.As shown on the figures 2 and 3 , the cooling device 12 comprises a housing 20, comprising side walls 22 and an upper wall 24. In the example shown, the housing 20 also comprises inclined intermediate walls 26, each extending transversely between a respective side wall 22 and the upper wall 24.

Le boîtier 20 est logé dans ledit logement 18, de sorte que la paroi supérieure 24 affleure sensiblement le toit 16 du véhicule ferroviaire.The housing 20 is housed in said housing 18, so that the upper wall 24 is substantially flush with the roof 16 of the railway vehicle.

Le boîtier 20 délimite un logement 28 pour chaque composant ou groupe de composants 14. Par exemple, comme cela est notamment représenté sur la figure 3, deux logements 28 adjacents sont séparés par une paroi étanche 30 perpendiculaire à la paroi supérieure 24 et aux parois latérales 22.The housing 20 delimits a housing 28 for each component or group of components 14. For example, as shown in particular in FIG. figure 3 two adjacent housings 28 are separated by a leaktight wall 30 perpendicular to the top wall 24 and to the side walls 22.

Chaque logement 28 présente au moins une ouverture latérale 32 d'entrée d'air ménagée dans l'une des parois latérales 22, et une ouverture supérieure 34 de sortie d'air ménagée dans la paroi supérieure 24.Each housing 28 has at least one lateral air inlet opening 32 formed in one of the side walls 22, and an upper air outlet opening 34 formed in the upper wall 24.

Chaque logement 28 forme alors un conduit de guidage d'air, dans lequel est logé le composant ou groupe de composants 14 correspondant, s'étendant entre chaque ouverture latérale d'entrée 32 et l'ouverture supérieure de sortie 34.Each housing 28 then forms an air guide duct, in which is housed the corresponding component or group of components 14, extending between each inlet side opening 32 and the upper outlet opening 34.

Avantageusement, chaque logement 28 présente deux ouvertures latérales d'entrée d'air 32, ménagées chacune dans une paroi latérale 22 respective, donc de part et d'autre du composant ou groupe de composants 14 logé dans ce logement 28.Advantageously, each housing 28 has two lateral air inlet openings 32, each formed in a respective lateral wall 22, hence on either side of the component or group of components 14 housed in this housing 28.

De préférence, chaque ouverture d'entrée d'air 32 est ménagée en regard du composant ou groupe de composants 14 correspondant, et chaque ouverture de sortie d'air 34 est ménagée au-dessus du composant ou groupe de composants 14 correspondant, en regard de celui-ci. Les flux d'air circulant dans le logement 28 passent donc directement des ouvertures d'entrée d'air 32 à l'ouverture de sortie d'air 34, en passant par le composant ou groupe de composants 14.Preferably, each air inlet opening 32 is arranged facing the corresponding component or group of components 14, and each air outlet opening 34 is formed above the corresponding component or group of components 14, opposite of it. The air flows flowing in the housing 28 therefore pass directly from the air inlet openings 32 to the air outlet opening 34, via the component or group of components 14.

Il est à noter que, dans le cas d'un véhicule ferroviaire, le dispositif de refroidissement 12 doit être propre à fonctionner quel que soit le sens de circulation du véhicule ferroviaire.It should be noted that, in the case of a railway vehicle, the cooling device 12 must be able to operate irrespective of the direction of circulation of the railway vehicle.

A cet effet, chaque ouverture supérieure 34 présente une forme symétrique par rapport à un plan médian respectif perpendiculaire à la paroi supérieure 24 et aux parois latérales 22. De même, chaque ouverture latérale 32 présente une forme symétrique par rapport à un plan médian respectif perpendiculaire à la paroi latérale 22 et à la paroi supérieure 24.For this purpose, each upper opening 34 has a symmetrical shape with respect to a respective median plane perpendicular to the upper wall 24 and the side walls 22. Similarly, each lateral opening 32 has a symmetrical shape with respect to a respective perpendicular median plane at the side wall 22 and at the top wall 24.

Ces formes symétriques permettent d'assurer une même efficacité de fonctionnement du dispositif de refroidissement 12, quel que soit le sens de déplacement du véhicule ferroviaire 10.These symmetrical shapes make it possible to ensure the same operating efficiency of the cooling device 12, irrespective of the direction of movement of the railway vehicle 10.

Avantageusement, chaque conduit de guidage d'air 28 comporte, pour chaque ouverture latérale d'entrée 32, une partie amont 36 prolongeant cette ouverture latérale 32 vers le composant 14 correspondant. Cette partie amont 36 est délimitée par des surfaces supérieure 36A et inférieure 36B sensiblement planes et parallèles entre elles, et par des surfaces avant et arrière 36C incurvées convergeant l'une vers l'autre depuis l'ouverture latérale 32 en direction du composant 14. Ainsi, la partie amont 36 présente une forme favorisant la prise de vitesse des flux d'air, ce qui permet d'optimiser le refroidissement du composant 14.Advantageously, each air guide duct 28 comprises, for each inlet side opening 32, an upstream portion 36 extending this lateral opening 32 to the corresponding component 14. This upstream portion 36 is delimited by upper surfaces 36A and lower 36B substantially flat and parallel to each other, and curved front and rear surfaces 36C converging towards one another from the lateral opening 32 towards the component 14. Thus, the upstream portion 36 has a shape promoting the speed gain of the air flows, which optimizes the cooling of the component 14.

Par ailleurs, la paroi supérieure 24 est munie, pour chaque ouverture supérieure 34, d'au moins un élément déflecteur 38 s'élevant en saillie depuis cette paroi supérieure 24, et s'étendant le long d'un bord avant ou arrière de cette ouverture supérieure 34, perpendiculairement aux parois latérales 22. Chaque élément déflecteur 38 présente par exemple une section triangulaire.Moreover, the upper wall 24 is provided, for each upper opening 34, with at least one deflector element 38 projecting from this upper wall 24, and extending along a front or rear edge of this upper opening 34, perpendicular to the side walls 22. Each deflector element 38 has for example a triangular section.

Plus particulièrement, afin que le dispositif de refroidissement 12 présente un même fonctionnement optimal quel que soit le sens de déplacement du véhicule ferroviaire, chaque ouverture supérieure 34 est munie de deux éléments déflecteurs 38, s'étendant l'un le long du bord avant et l'autre le long du bord arrière de l'ouverture supérieure 34.More particularly, so that the cooling device 12 has the same optimum operation irrespective of the direction of movement of the railway vehicle, each upper opening 34 is provided with two deflector elements 38, extending one along the front edge and the other along the rear edge of the upper opening 34.

L'élément déflecteur 38 s'étendant le long du bord avant permet de dévier l'air circulant le long du toit 16 du véhicule ferroviaire 10, de sorte que cet air contourne l'ouverture supérieure 34 et ne pénètre pas dans le logement 28 par cette ouverture supérieure 34. Cet élément déflecteur 38 permet également de générer une dépression au-dessus de l'ouverture supérieure 34, favorisant la circulation des flux d'air dans le conduit de guidage 18, depuis les ouvertures latérales d'entrée 32 vers l'ouverture supérieure de sortie 34.The deflector element 38 extending along the front edge makes it possible to deflect the air flowing along the roof 16 of the railway vehicle 10, so that this air bypasses the upper opening 34 and does not penetrate into the housing 28 through this upper opening 34. This deflector element 38 also makes it possible to generate a depression above the upper opening 34, favoring the circulation of the air flows in the guide duct 18, from the inlet side openings 32 to the main opening. upper outlet opening 34.

On notera que l'invention n'est pas limitée au mode de réalisation précédemment décrit, mais pourrait présenter diverses variantes sans sortir du cadre des revendications.Note that the invention is not limited to the embodiment described above, but could have various variants without departing from the scope of the claims.

En particulier, le dispositif de refroidissement 12 pourrait être destiné au refroidissement d'autres composants.In particular, the cooling device 12 could be intended for cooling other components.

En outre, le dispositif de refroidissement 12 pourrait équiper un autre type de véhicule, par exemple routier ou aérien. Dans ce cas, il n'est pas nécessaire de prévoir un fonctionnement symétrique du dispositif de refroidissement.In addition, the cooling device 12 could equip another type of vehicle, for example road or air. In this case, it is not necessary to provide symmetrical operation of the cooling device.

Claims (8)

Dispositif de refroidissement (12) d'au moins un composant (14), destiné à équiper un véhicule, notamment un véhicule ferroviaire (10), caractérisé en ce que : - le dispositif (12) comporte un boîtier (20), destiné à être agencé sur un toit (16) du véhicule, ledit boîtier (20) comprenant deux parois latérales (22) et une paroi supérieure (24), délimitant ensemble un logement (28) pour chaque composant (14), - chaque logement (28) forme un conduit de guidage d'air dans lequel est logé le composant (14) correspondant, ledit conduit s'étendant entre au moins une ouverture latérale (32) d'entrée d'air ménagée dans l'une des parois latérales (22) et une ouverture supérieure (34) de sortie d'air, ménagée dans la paroi supérieure (24), - chaque ouverture latérale (32) présente une forme symétrique par rapport à un plan médian respectif perpendiculaire à la paroi latérale (22) et à la paroi supérieure (24), et - chaque conduit de guidage d'air (28) comporte, pour chaque ouverture latérale (32), une partie amont (36) prolongeant cette ouverture latérale (32) vers le composant (14) correspondant, cette partie amont (36) étant délimitée par des surfaces supérieure (36A) et inférieure (36B) sensiblement planes, et par des surfaces avant et arrière (36C) incurvées convergeant l'une vers l'autre depuis l'ouverture latérale (32) en direction du composant (14). Cooling device (12) for at least one component (14) intended to equip a vehicle, in particular a railway vehicle (10), characterized in that : the device (12) comprises a housing (20) intended to be arranged on a roof (16) of the vehicle, said housing (20) comprising two lateral walls (22) and an upper wall (24), defining together a housing (28) for each component (14), each housing (28) forms an air guide duct in which the corresponding component (14) is housed, said duct extending between at least one lateral opening (32) of air inlet formed in one side walls (22) and an upper air outlet opening (34) formed in the upper wall (24), each lateral opening (32) has a symmetrical shape with respect to a respective median plane perpendicular to the lateral wall (22) and to the upper wall (24), and each air guide duct (28) comprises, for each lateral opening (32), an upstream portion (36) extending this lateral opening (32) towards the corresponding component (14), this upstream portion (36) being delimited by substantially planar upper (36A) and lower (36B) surfaces, and curved front and rear surfaces (36C) converging toward each other from the side opening (32) toward the component (14). Dispositif de refroidissement (12) selon la revendication 1, dans lequel chaque ouverture latérale (32) d'entrée d'air est ménagée en regard du composant (14) correspondant.Cooling device (12) according to claim 1, wherein each air inlet side opening (32) is arranged facing the corresponding component (14). Dispositif de refroidissement (12) selon la revendication 1 ou 2, dans lequel chaque ouverture supérieure (34) de sortie d'air est ménagée en regard du composant (14) correspondant.Cooling device (12) according to claim 1 or 2, wherein each upper air outlet opening (34) is arranged facing the component (14) corresponding. Dispositif de refroidissement (12) selon l'une quelconque des revendications précédentes, dans lequel le boîtier (20) présente, pour chaque composant (14), deux ouvertures latérales (32) d'entrée d'air, chacune ménagée sur une paroi latérale (22) respective.Cooling device (12) according to any one of the preceding claims, wherein the housing (20) has, for each component (14), two lateral openings (32) of air inlet, each formed on a side wall (22) respectively. Dispositif de refroidissement (12) selon l'une quelconque des revendications précédentes, dans lequel chaque ouverture supérieure (34) présente une forme symétrique par rapport à un plan médian respectif perpendiculaire à la paroi supérieure (24) et aux parois latérales (22).A cooling device (12) according to any one of the preceding claims, wherein each upper opening (34) has a symmetrical shape with respect to a respective median plane perpendicular to the top wall (24) and the side walls (22). Dispositif de refroidissement (12) selon l'une quelconque des revendications précédentes, dans lequel la paroi supérieure (24) comporte, pour chaque ouverture supérieure (34), au moins un élément déflecteur (38), s'élevant en saillie depuis la paroi supérieure (24), et s'étendant le long d'un bord avant ou arrière de l'ouverture supérieure (34), perpendiculairement aux parois latérales (22).Cooling device (12) according to any one of the preceding claims, wherein the upper wall (24) comprises, for each opening upper (34), at least one baffle element (38) projecting from the upper wall (24) and extending along a front or rear edge of the upper opening (34) perpendicularly at the side walls (22). Dispositif de refroidissement (12) selon la revendication 6, dans lequel la paroi supérieure (24) comporte, pour chaque ouverture supérieure (34), deux éléments déflecteurs (38), s'étendant respectivement le long du bord avant et du bord arrière de l'ouverture supérieure (34).A cooling device (12) according to claim 6, wherein the upper wall (24) has, for each upper opening (34), two baffle elements (38) extending respectively along the front edge and the rear edge of the the upper opening (34). Véhicule ferroviaire (10), comprenant un toit (16), caractérisé en ce qu'il comporte un dispositif de refroidissement (12) selon l'une quelconque des revendications précédentes, agencé sur ledit toit (16), par exemple dans un logement (18) ménagé dans ledit toit (16).Railway vehicle (10), comprising a roof (16), characterized in that it comprises a cooling device (12) according to any preceding claim, arranged on said roof (16), for example in a housing ( 18) formed in said roof (16).
EP14195581.5A 2013-12-06 2014-12-01 Device for cooling components, in particular for a rail vehicle Active EP2889199B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14195581T PL2889199T3 (en) 2013-12-06 2014-12-01 Device for cooling components, in particular for a rail vehicle

Applications Claiming Priority (1)

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FR1362269A FR3014396B1 (en) 2013-12-06 2013-12-06 DEVICE FOR COOLING COMPONENTS, IN PARTICULAR FOR A RAILWAY VEHICLE

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US (1) US10435041B2 (en)
EP (1) EP2889199B1 (en)
BR (1) BR102014030513B1 (en)
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FR (1) FR3014396B1 (en)
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EP4052985A1 (en) * 2021-03-03 2022-09-07 SpeedInnov Car for a rail vehicle comprising a ventilation system

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FR3063475B1 (en) * 2017-03-01 2019-04-12 Alstom Transport Technologies HIGH SPEED TRAIN MOTOR
FR3070353B1 (en) * 2017-08-30 2019-09-06 Speedinnov HIGH SPEED TRAIN MOTOR
FR3070354B1 (en) * 2017-08-30 2019-09-13 Speedinnov HIGH SPEED TRAIN MOTOR WITH INTERNAL OVERPRESSURE
DE102017217228B4 (en) * 2017-09-27 2019-06-06 Siemens Mobility GmbH Electrically operated vehicle
JP7152231B2 (en) * 2018-09-18 2022-10-12 東海旅客鉄道株式会社 Power converter for railway vehicles

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Also Published As

Publication number Publication date
PL2889199T3 (en) 2019-10-31
BR102014030513B1 (en) 2022-08-23
FR3014396B1 (en) 2017-04-28
EP2889199B1 (en) 2019-05-01
RU2014149207A3 (en) 2018-08-13
BR102014030513A2 (en) 2016-07-19
US10435041B2 (en) 2019-10-08
RU2680237C2 (en) 2019-02-18
RU2014149207A (en) 2016-06-27
ES2739078T3 (en) 2020-01-28
US20150158504A1 (en) 2015-06-11
FR3014396A1 (en) 2015-06-12

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