EP1821575A1 - Heating-element support frame for an electric radiator of a ventilation, heating and/or air-conditioning installation - Google Patents

Heating-element support frame for an electric radiator of a ventilation, heating and/or air-conditioning installation Download PDF

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Publication number
EP1821575A1
EP1821575A1 EP07102417A EP07102417A EP1821575A1 EP 1821575 A1 EP1821575 A1 EP 1821575A1 EP 07102417 A EP07102417 A EP 07102417A EP 07102417 A EP07102417 A EP 07102417A EP 1821575 A1 EP1821575 A1 EP 1821575A1
Authority
EP
European Patent Office
Prior art keywords
frame
heating element
heating
retaining
chassis according
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
EP07102417A
Other languages
German (de)
French (fr)
Other versions
EP1821575B1 (en
Inventor
Olivier Valeo Systemes Thermiques COLETTE
Frederic Valeo Systemes Thermiques Pierron
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.)
Valeo Systemes Thermiques SAS
Original Assignee
Valeo Systemes Thermiques SAS
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 Valeo Systemes Thermiques SAS filed Critical Valeo Systemes Thermiques SAS
Publication of EP1821575A1 publication Critical patent/EP1821575A1/en
Application granted granted Critical
Publication of EP1821575B1 publication Critical patent/EP1821575B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0429—For vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0429—For vehicles
    • F24H3/0435—Structures comprising heat spreading elements in the form of fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0429—For vehicles
    • F24H3/0452—Frame constructions
    • F24H3/0458—One-piece frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
    • F24H9/1863—Arrangement or mounting of electric heating means
    • F24H9/1872—PTC
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
    • H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/022—Heaters specially adapted for heating gaseous material
    • H05B2203/023—Heaters of the type used for electrically heating the air blown in a vehicle compartment by the vehicle heating system

Definitions

  • the invention is in the field of ventilation, heating and / or air conditioning, especially for vehicle interior, and more particularly the field of electric radiators booster equipment such facilities. It relates to a chassis carrying electric heating elements that includes such a radiator.
  • Ventilation, heating and / or air conditioning systems such as for vehicles, commonly include an additional electric radiator.
  • Such a radiator is in particular intended to achieve an almost immediate extra heat in vehicles deficient heat start.
  • the additional electric radiators comprise a chassis carrying electrical elements and a connection electrical connection of the radiator to an electrical source of the vehicle, or even means for controlling and / or controlling the operation of the radiator.
  • the frame is commonly shaped in a generally planar frame, which houses in its internal recess the heating elements, such as resistors with positive temperature coefficient (CTP).
  • the chassis is formed from two planar frame members assembled parallel to each other, between which are held the heating elements. These are initially assembled together to form a unitary block, which is installed on one of the frame members. The other frame member is then assembled to the previous to maintain between them the block of heating elements.
  • the chassis is not only a member for holding the heating elements together, but also an intermediate member for placing these heating elements inside the installation, and in particular inside a housing that this device comprises. last.
  • the chassis is equipped with connecting means on at least one wall of the installation, so as to be traversed in its general plane, and in particular through its two large opposite faces, by the flow of air flowing through. inside the installation.
  • chassis manufacturing methods deserve to be improved to enable it to be obtained at low costs while facilitating the installation of the heating elements on the chassis and promoting the positioning and maintenance of these heating elements, with respect to each other and compared to the connection of the radiator.
  • the object of the present invention is to provide a frame for receiving heating elements for an auxiliary electric heater of a ventilation system, heating and / or air conditioning, including a vehicle. It is more particularly the object of the present invention to provide such a frame which is of simple structure to enable it to be obtained at low cost, in particular by limiting the assembly operations to be carried out for the mounting between them of the components of the radiator. It is also more particularly the object of the present invention to provide such a chassis which allows the use of elements standard heaters and which allows a quick and easy installation of these heating elements on the chassis, while guaranteeing their reliable positioning relative to each other and with respect to the connections of connection of the radiator with the energy source of the vehicle and / or possibly to control members.
  • the chassis of the present invention is a chassis for receiving at least one heating element for an electric auxiliary radiator of a ventilation, heating and / or air conditioning system, in particular a vehicle.
  • a heating element is in particular a positive temperature coefficient (PTC) resistor, or similar heating element.
  • PTC positive temperature coefficient
  • This frame is of the kind designed as a hollow frame whose large faces intended to be traversed by the flow of air conveyed by the installation are kept at a distance from one another to provide a receiving space between them. heating element.
  • a chassis of the above-mentioned kind is mainly recognizable in that it is formed of a unitary piece in which means for retaining the heating element inside said volume are arranged in the zone of said large ones. faces.
  • the retaining means are in particular means for retaining the heating element in the plane of the chassis, against its escapement through said large faces.
  • the retaining means are preferably integrally molded to the frame.
  • a passage of introduction of the heating elements to said volume is formed in particular through at least one of the side walls of the frame.
  • the latter being the parts of the frame which border the latter and which are adjacent to the large faces.
  • the receiving volume of the heating element is delimited between the side walls of the chassis.
  • the retaining means provided in the zone of the large faces of the frame constitute an obstacle against a passage of the heating element, both out of this volume as it is sought by the invention, and towards the interior of this volume.
  • said passage is formed in a side wall of the chassis, for an introduction of the heating element in the manner of a drawer, by sliding between at least one or a plurality of retaining members respectively formed in the area of one and the other of the large faces of the frame.
  • the frame is advantageously obtained by molding in a single manufacturing operation, and the installation of the heating element on the frame is convenient and easy, without the need to use additional additional assembly members with consequent additional assembly operations and specific.
  • the unitary piece incorporating the retaining means is advantageously formed by molding a plastic material, said large faces being embodied at least in part by the retaining means.
  • the retaining means are more particularly constituted by retaining members forming an abutment, which are formed in the plane of at least one of said large faces, advantageously both, to prevent movement of the heating element outwards. of said reception volume.
  • the chassis comprises at least one individual reception corridor of a heating element formed in said volume.
  • This corridor promotes lateral guidance of the heating element when it is introduced into the chassis volume, and advantageously constitutes means for lateral positioning of the heating element with respect to connection elements that comprise a connection base intended to be reported on the chassis.
  • a plurality of corridors is advantageously provided, in particular by partitioning the volume of the frame by means of longitudinal partitions that the latter comprises.
  • the corridor at least is delimited between longitudinal partitions which extend in interposition between said large faces.
  • Such lateral positioning means of the heating element or elements can accurately position the heating element relative to the electrical connection members of the connection base fitted to the additional radiator, to avoid parasitic electrical contact.
  • Such arrangements are also intended to allow individual operation of standard heating elements, which are placed separately from each other within a corridor that is assigned to them.
  • the corridors are more precisely separated from each other by the longitudinal partitions, which advantageously constitute electrical insulation members of the heating elements vis-à-vis each other.
  • the longitudinal partitions form stiffening ribs of the frame.
  • the retaining members are more particularly formed in the junction zone between the partitions and said large faces, being for example constituted by edges that comprise the partitions.
  • the retaining members extend in particular along the partitions indifferently continuously and / or segmented. More particularly according to a first embodiment, the flanges are likely to extend over the entire length of the partitions. According to a second variant embodiment, the flanges extend in segments spaced apart along the partitions. For the same retaining member assigned to one of the large faces of the frame, the flanges may be formed on either side of the corresponding slice of the partitions, or may be provided at least partially along the on one edge of the edge of the partitions. In the latter case, the segments can be arranged alternately offset from one to the other edge of the edge of the same partition.
  • the retaining members extend in segments along the partitions. At least one segment of a retaining member assigned to one of the large faces is shifted with respect to at least one segment a retaining member assigned to the other large face.
  • the shift of the segments from one to the other of the retaining members is indifferently a longitudinal offset and / or a transverse offset in the plane of the frame.
  • segments of a first retaining member assigned to one of the large faces of the frame are likely to be formed on the edge of a first partition at a distance from each other.
  • the segments of the other retaining member are then capable of being arranged on the same partition, at its opposite edge, in correspondence with the zone of separation of the segments of the first retaining member.
  • the segments of the other retaining member are then able to be arranged on another partition, at its edge opposite that of the first partition, extending opposite the the retaining member that includes the latter.
  • these two variants can be associated. More particularly, for N segments of a retaining member assigned to a first of said large faces, a retaining member assigned to the other large face comprises segments alternately offset longitudinally and transversely to the segments of the body of the restraint assigned to the first big face.
  • At least one blocking element of the heating element is integrated in the chassis directly resulting from molding.
  • the locking member advantageously cooperates with one end of the heating element to prevent movement of the latter at least longitudinally.
  • the locking member consists of a finger provided with a clip, a ergot, a hook or similar member, which cooperates with a complementary relief that includes the heating element.
  • the at least one locking member preferably extends in the plane of at least one of said large faces.
  • At least one elastic longitudinal support member of the heating element is integrated in the frame. This integration is made directly from molding . At least one function of this elastic member is to absorb the dimensional variations of the heating element, in the longitudinal direction in particular, both with regard to manufacturing tolerances and to its expansion in the operating phase.
  • the heating element comprises at one of its ends an edge having a complementary relief capable of cooperating with the locking member.
  • This relief is for example materialized by a shoulder made on an electrode or by the end of a heat sink strip, both of which are part of the heating element.
  • the frame preferably incorporates transverse stiffening ribs. These transverse ribs are advantageously used to support the locking member and the elastic member. More particularly, at least one of the locking member and the resilient member is formed on at least one of the transverse stiffening ribs that includes the frame.
  • a connecting member between the frame and the connection base for connecting the heating elements to a energy source and / or control means is integrated in the chassis. This integration is advantageously performed molding.
  • the connecting member is more particularly a receiving member by interlocking the connection base, which is arranged in a sleeve or the like of which the internal recess constitutes said passage of introduction of the heating elements.
  • the sleeve is more particularly provided with at least one receiving housing of the connection base, and at least one resilient interlocking relief of a complementary relief that includes this base.
  • Such a relief is for example formed of a receiving housing of a clip or similar member that includes the connection base.
  • the elastic member and the interlocking member are in particular formed on two opposite sides of the frame.
  • means for attaching the frame to at least one wall of the installation are integrated into the frame.
  • This integration is advantageously performed molding.
  • the wall of the installation is in particular that of a housing for receiving the additional radiator.
  • the fixing means comprise in particular a guiding and positioning member of the frame on the wall of the installation.
  • This guide member is for example formed of a hook or an axially open sleeve, such as a shaped profile C or the like, or a suspension member or nesting of any conformation.
  • Such a suspension member is likely to cooperate with a mounting rail that includes the installation.
  • the guiding member of the fixing means is preferably arranged at the end of the frame opposite to that comprising the receiving member by interlocking the connection base, so that the frame is kept inside the frame. installation being engaged at its ends respectively on the rail and on the connection base, itself fixed on a wall of the installation.
  • the chassis incorporates at least one of its ends at least a ventilation hole for passage through the flow of air conveyed by the installation.
  • the structural arrangement of the frame makes it possible to obtain it at low cost, from a single molding operation using, for example, a mold with two shells and a drawer for forming the sleeve intended to receive the connection base and to authorize the passage of the heating element (s) to the interior volume of the frame.
  • a chassis incorporates manufacturing and without additional assembly operation, all the means necessary for positioning and maintaining the heating element at least on the chassis, positioning and maintaining the chassis on at least one wall of the installation, and connecting the heating element to at least the vehicle energy source and / or control means, via the connection base easily accessible to the frame by means of the sleeve.
  • the heating element is capable of being formed from a plurality of elementary heating elements assembled in block between them prior to their installation on the chassis.
  • each element delivers on average 300 watts so that from the same frame comprising for example four corridors, one can create four radiators of different power, 300, 600, 900 or 1200 Watts.
  • the present invention also relates to an electric heating radiator of a heating, ventilation and / or air conditioning installation, comprising a previously described chassis.
  • the present invention also relates to a ventilation, heating and / or air conditioning installation incorporating an auxiliary electric radiator previously described.
  • the method of the invention also consists of preferably individually installing a plurality of separate heating elements within respective corridors in the frame. This installation is likely to be carried out by successively placing the heating elements inside the frame volume, or by grouped placing these heating elements from a single operation of individual assembly of the heating elements. on the chassis.
  • an electric heater is intended to equip a ventilation system, heating and / or air conditioning, including a vehicle.
  • This radiator is an almost immediate heat sink radiator in vehicles deficient in heat at startup.
  • the radiator comprises a frame 1 plan shaped frame, which is intended to be placed in the air flow A conveyed by the installation.
  • This frame 1 comprises two large faces 2 and 2 'intended to be traversed by the air flow, which are arranged at a distance parallel to each other to provide an internal volume 12 for reception of a plurality of Heaters 3.
  • These heating elements 3 are constituted on the exemplary embodiment illustrated by resistors with positive temperature coefficient (PTC).
  • the frame 1 consists of a one-piece element, formed by molding a plastic material, such as polypropylene, polyamide or similar plastics material. More particularly, the two large faces 2,2 'are arranged at a distance from one another via the side walls of the frame forming the frame 1, these side walls constituting a unitary piece.
  • integral molding retaining members 15 are respectively located in the plane of each of the large faces 2, 2 'of the frame 1. These retaining members 15 form obstacles preventing escape of the heating elements 3 through the large faces 2,2 'of the frame 3.
  • connection base 4 is attached to the frame 1 for the electrical connection of the heating elements 3 with a source of electrical energy of the vehicle and / or control means.
  • the connection base 4 is attached to the frame 1 via a lateral sleeve 10 formed on the frame 1, which receives by fitting this base 4.
  • Housings 11 are formed in the sleeve 10, for the reception of clips that comprises the base 4, so as to lock the connection by interlocking between the connection base 4 and the frame 2.
  • the internal recess of the sleeve 10 is used to provide a passage 21 for introducing the heating elements 3 into the internal volume 12 of the frame 1, because of the obstacle formed by the retaining members 15 to the against an introduction of the heating elements by the large faces 2,2 'of the frame 1.
  • connection base 4 is fixed on a wall element 5 of the installation, and in particular on a wall element of a housing housing at least the additional radiator.
  • This connection base 4 being fitted on the frame 1, it is held on the wall 5 of the installation.
  • the frame 1 is further supported by a rail 8 which extends between the first wall element 5 and a wall element 6 opposite the installation.
  • This support is obtained by means of an interlocking member 7 formed at the end of the frame 1 opposite to that receiving the connection base 4.
  • This interlocking member 7 is for example formed as an open sleeve, hook or analogous organ.
  • at least one of the wall elements 5,6 has a cleat 9 for holding the frame 1 in position in its general plane.
  • the fixing means of the frame 1 on the installation which in particular associates the sleeve 10 and the interlocking member 7, are integrally molded to the frame 1.
  • the chassis 1 incorporates molding means for integrating the heating elements 3 in its internal volume 12. These integration means comprise corridors 13 for individual reception of the heating elements 3. These are individually introduced by sliding inside the interior. a corridor 13 assigned to them. The corridors 13 are delimited by longitudinal partitions 14, which are integrally molded to the frame 1. These partitions 14 constitute not only guide members of the heating elements 3 when they are introduced inside the frame 1, but also stiffening the frame 1, and electrical insulation members between two neighboring heating elements 3.
  • the retaining members 15 consist of flanges formed in partial coverage of the large faces 2, 2 'of the frame 1. These flanges are formed at the edges of the edges of the longitudinal partitions 14 and / or the lateral sides of the frame 1. retainers 15 are also incorporated molding 1 frame, and maintain the heating elements 3 inside the internal volume 12 of the frame against their escapement through the large faces of the frame 1. These retaining members s' extend in remote segments along the slices of the partitions 14 .
  • the segments of a retaining member 15 of a large face 2,2 ' are formed on a first wafer of at least one partition 14, while the segments of a retaining member 15 of the other large 2.2 'face are formed on the opposite edge of the partition 14.
  • the partitions 14 are of 4.
  • Each of them comprises retaining members 15 provided on each of its slices .
  • These retaining members 15 are segmented, the segments formed on one of the slices of the partition 14 being longitudinally offset relative to the segments formed on the other edge of this partition 14.
  • One of the retaining members 15 formed on a first portion of a partition 14 is divided into 2 segments, the other retainer formed on the other edge of the partition 14 having a single segment longitudinally offset from the segments on the first portion of the partition 14.
  • the integration means also comprise elastic members 16 for longitudinal thrust of the heating elements 3 in the direction of the sleeve 10.
  • these elastic members 16 are formed of tongues or similar deformable member that the frame 1 incorporates molding. These resilient members 16 make it possible to compensate for any dimensional variations of the heating elements 3, variations that may result from the manufacturing tolerances of the heating elements 3 and / or their expansion during operation.
  • the integration means also comprise locking members 17 of the heating elements 3 inside the corridor 13 which receives them.
  • These locking members 17 are in particular intended to position the heating elements 3 inside the corridors 13, in a position adapted for their electrical connection with the connection base 4.
  • These locking members 17 are also incorporated molding at frame 1, being formed in the plane of at least one of the large faces 2,2 'of the frame 1.
  • these locking members 17 consist of pins with hook or hook, which are mounted resiliently movable in the plane of the frame 2, extending naturally in the plane of the large faces 2,2 '.
  • the locking members 17 are intended to be engaged on a complementary relief 22 that the heating elements 3 comprise.
  • Such complementary reliefs 22 are in particular in plurality for each of the heating elements 3, being arranged relative to one another at the way notches of a rack.
  • the heating element 3 To install the heating element 3 on the frame 1, it is introduced through the passage 21 in the manner of a drawer until it bears against the elastic member 16, and the engagement of the blocking member with one of the complementary reliefs 22 of the heating element 3.
  • the heating element 3 is guided during its introduction into the corresponding corridor 13, on the one hand laterally between the partitions 14, and on the other hand in the plane of the frame between the large faces 2,2 'by the retaining members 15.
  • the frame 2 also incorporates the molding transverse stiffening ribs 18, which are used to support the elastic members 16 and the locking members 17. Accessorily, other longitudinal stiffening ribs 19 are provided at the outer edge of the side walls.
  • chassis 1 The molding transverse stiffening ribs 18, which are used to support the elastic members 16 and the locking members 17. Accessorily, other longitudinal stiffening ribs 19 are provided at the outer edge of the side walls. chassis 1.
  • the frame 1 also incorporates the molding of the louvers 20 for the passage of the air flow conveyed by the installation, in order to reduce the airflow losses and not to disturb the circulation of the air flow inside the installation.
  • These lugs 20 are formed in particular through a transverse stiffening end element of the chassis 1.

Abstract

The frame is shaped in the form of a hollowed-out box whose large faces (2,2'), intended to be traversed by an airflow (A) conveyed by a ventilating, heating or air-conditioning unit, are held at a distance from each other in order to create a heating-element receiving space between them. The frame is made of a single part in which retainers (15) for holding heating elements (3) e.g. positive temperature coefficient (PTC) resistors inside the space are located in the area of the large faces. An independent claim is also included for an electric-heater assembling method.

Description

Domaine technique de l'invention.Technical Field of the Invention

L'invention est du domaine des installations de ventilation, de chauffage et/ou de climatisation, pour habitacle de véhicule notamment, et plus particulièrement du domaine des radiateurs électriques d'appoint équipant de telles installations. Elle a pour objet un châssis porteurs d'éléments chauffants électriques que comporte un tel radiateur.The invention is in the field of ventilation, heating and / or air conditioning, especially for vehicle interior, and more particularly the field of electric radiators booster equipment such facilities. It relates to a chassis carrying electric heating elements that includes such a radiator.

Etat de la technique.State of the art

Les installations de ventilation, de chauffage et/ou de climatisation, tel que pour les véhicules, comportent couramment un radiateur additionnel électrique. Un tel radiateur est notamment destiné à réaliser un appoint de chaleur pratiquement immédiat dans les véhicules déficients en chaleur au démarrage.Ventilation, heating and / or air conditioning systems, such as for vehicles, commonly include an additional electric radiator. Such a radiator is in particular intended to achieve an almost immediate extra heat in vehicles deficient heat start.

Les radiateurs additionnels électriques comprennent un châssis porteur d'éléments électriques et une connectique de raccordement électrique du radiateur à une source électrique du véhicule, voire aussi des moyens de contrôle et/ou de commande du fonctionnement du radiateur. Le châssis est couramment conformé en cadre globalement plan, qui loge dans son évidement interne les éléments chauffants, tel que des résistances à coefficient de température positif (CTP).The additional electric radiators comprise a chassis carrying electrical elements and a connection electrical connection of the radiator to an electrical source of the vehicle, or even means for controlling and / or controlling the operation of the radiator. The frame is commonly shaped in a generally planar frame, which houses in its internal recess the heating elements, such as resistors with positive temperature coefficient (CTP).

Se pose le problème général d'organisation de la structure du châssis souhaitée la plus simple possible, pour réduire les coûts de production et de montage des composants du radiateur.The general problem of organization of the desired structure of the frame simplest possible, to reduce the costs of production and assembly of the components of the radiator.

Par exemple, selon les publications EP0901311 (BEHR Gmbh & Co) et FR2838599 (VALEO CLIMATISATION), le châssis est formé à partir de deux éléments de châssis plans assemblés parallèlement l'un à l'autre, entre lesquels sont maintenus les éléments chauffants. Ces derniers sont dans un premier temps assemblés entre eux de manière à former un bloc unitaire, qui est installé sur l'un des éléments de châssis. L'autre élément de châssis est ensuite assemblé au précédent pour maintenir entre eux le bloc d'éléments chauffants. Le châssis constitue non seulement un organe de maintien des éléments chauffants entre eux, mais aussi un organe intermédiaire de mise en place de ces éléments chauffants à l'intérieur de l'installation, et notamment à l'intérieur d'un boîtier que comporte cette dernière. A cet effet, le châssis est équipé de moyens de jonction sur une paroi au moins de l'installation, de manière à être traversé dans son plan général, et notamment à travers ses deux grandes faces opposées, par le flux d'air circulant à l'intérieur de l'installation.For example, according to the publications EP0901311 (BEHR Gmbh & Co) and FR2838599 (VALEO AIR CONDITIONING), the chassis is formed from two planar frame members assembled parallel to each other, between which are held the heating elements. These are initially assembled together to form a unitary block, which is installed on one of the frame members. The other frame member is then assembled to the previous to maintain between them the block of heating elements. The chassis is not only a member for holding the heating elements together, but also an intermediate member for placing these heating elements inside the installation, and in particular inside a housing that this device comprises. last. For this purpose, the chassis is equipped with connecting means on at least one wall of the installation, so as to be traversed in its general plane, and in particular through its two large opposite faces, by the flow of air flowing through. inside the installation.

Une telle organisation du châssis induit la mise en oeuvre d'un nombre important de pièces, et d'un nombre important d'opérations de montage de ces pièces pour l'assemblage du radiateur. En outre, de telles dispositions vont à l'encontre d'une exploitation d'éléments chauffants standardisés. Les modalités de fabrication du châssis méritent d'être améliorées pour permettre son obtention à faibles coûts tout en facilitant l'installation des éléments chauffants sur le châssis et en favorisant le positionnement et le maintien de ces éléments chauffants, les uns par rapport aux autres et par rapport à la connectique du radiateur.Such organization of the chassis induces the implementation of a large number of parts, and a large number of assembly operations of these parts for the assembly of the radiator. In addition, such provisions go against the operation of standardized heating elements. The chassis manufacturing methods deserve to be improved to enable it to be obtained at low costs while facilitating the installation of the heating elements on the chassis and promoting the positioning and maintenance of these heating elements, with respect to each other and compared to the connection of the radiator.

Objet de l'invention.Object of the invention

Le but de la présente invention est de proposer un châssis destiné à recevoir des éléments chauffants pour un radiateur électrique d'appoint d'une installation de ventilation, de chauffage et/ou de climatisation, d'un véhicule notamment. Il est plus particulièrement visé par la présente invention de proposer un tel châssis qui soit de structure simple pour permettre son obtention à faibles coûts, en limitant notamment les opérations d'assemblage à effectuer pour le montage entre eux des composants du radiateur. Il est aussi plus particulièrement visé par la présente invention de proposer un tel châssis qui permette l'utilisation d'éléments chauffants standard et qui permette une installation rapide et aisée de ces éléments chauffants sur le châssis, tout en garantissant leur positionnement fiable les uns par rapport aux autres et par rapport à la connectique de raccordement du radiateur à la source d'énergie du véhicule et/ou éventuellement à des organes de commande.The object of the present invention is to provide a frame for receiving heating elements for an auxiliary electric heater of a ventilation system, heating and / or air conditioning, including a vehicle. It is more particularly the object of the present invention to provide such a frame which is of simple structure to enable it to be obtained at low cost, in particular by limiting the assembly operations to be carried out for the mounting between them of the components of the radiator. It is also more particularly the object of the present invention to provide such a chassis which allows the use of elements standard heaters and which allows a quick and easy installation of these heating elements on the chassis, while guaranteeing their reliable positioning relative to each other and with respect to the connections of connection of the radiator with the energy source of the vehicle and / or possibly to control members.

Le châssis de la présente invention est un châssis de réception d'au moins un élément chauffant pour un radiateur électrique d'appoint d'une installation de ventilation, de chauffage et/ou de climatisation, d'un véhicule notamment. Un tel élément chauffant est notamment une résistance à coefficient de température positif (CTP), ou élément chauffant analogue. Ce châssis est du genre conformé en cadre évidé dont les grandes faces destinées à être traversées par le flux d'air véhiculé par l'installation sont maintenues à distance l'une de l'autre pour ménager entre elle un volume de réception de l'élément chauffant.The chassis of the present invention is a chassis for receiving at least one heating element for an electric auxiliary radiator of a ventilation, heating and / or air conditioning system, in particular a vehicle. Such a heating element is in particular a positive temperature coefficient (PTC) resistor, or similar heating element. This frame is of the kind designed as a hollow frame whose large faces intended to be traversed by the flow of air conveyed by the installation are kept at a distance from one another to provide a receiving space between them. heating element.

Selon la présente invention, un châssis du genre susvisé est principalement reconnaissable en ce qu'il est formé d'une pièce unitaire dans laquelle des moyens de retenue de l'élément chauffant à l'intérieur dudit volume sont ménagés dans la zone des dites grandes faces. Les moyens de retenue sont notamment des moyens de retenue de l'élément chauffant dans le plan du châssis, à l'encontre de son échappée à travers les dites grandes faces.According to the present invention, a chassis of the above-mentioned kind is mainly recognizable in that it is formed of a unitary piece in which means for retaining the heating element inside said volume are arranged in the zone of said large ones. faces. The retaining means are in particular means for retaining the heating element in the plane of the chassis, against its escapement through said large faces.

Les moyens de retenue sont avantageusement intégrés de moulage au châssis.The retaining means are preferably integrally molded to the frame.

Selon une autre caractéristique du châssis de l'invention, un passage d'introduction des éléments chauffants vers ledit volume est notamment ménagé à travers l'une quelconque au moins des parois latérales du châssis. Ces dernières étant les parties du châssis qui bordent ce dernier et qui sont adjacentes aux grandes faces.According to another characteristic of the frame of the invention, a passage of introduction of the heating elements to said volume is formed in particular through at least one of the side walls of the frame. The latter being the parts of the frame which border the latter and which are adjacent to the large faces.

Plus particulièrement, le volume de réception de l'élément chauffant est délimité entre des parois latérales du châssis. Les moyens de retenue ménagés dans la zone des grandes faces du châssis constituent un obstacle à l'encontre d'un passage de l'élément chauffant, tant hors de ce volume tel qu'il est recherché par l'invention, que vers l'intérieur de ce volume. Pour permettre l'installation de l'élément chauffant à l'intérieur du volume du châssis réservé à leur réception, malgré sa structure en pièce unitaire et ledit obstacle que forme les moyens de retenue, ledit passage est ménagé dans une paroi latérale du châssis, pour une introduction de l'élément chauffant à la manière d'un tiroir, par coulissement entre au moins un ou une pluralité d'organes de retenue respectivement ménagés dans la zone de l'une et l'autre des grandes faces du châssis. Le châssis est avantageusement obtenu par moulage en une opération unique de fabrication, et l'installation de l'élément chauffant sur le châssis est commode et aisée, sans avoir à utiliser des organes supplémentaires annexes de montage avec pour conséquence des opérations d'assemblage supplémentaires et spécifiques.More particularly, the receiving volume of the heating element is delimited between the side walls of the chassis. The retaining means provided in the zone of the large faces of the frame constitute an obstacle against a passage of the heating element, both out of this volume as it is sought by the invention, and towards the interior of this volume. To allow the installation of the heating element inside the volume of the chassis reserved for their reception, in spite of its unitary unit structure and said obstacle formed by the retaining means, said passage is formed in a side wall of the chassis, for an introduction of the heating element in the manner of a drawer, by sliding between at least one or a plurality of retaining members respectively formed in the area of one and the other of the large faces of the frame. The frame is advantageously obtained by molding in a single manufacturing operation, and the installation of the heating element on the frame is convenient and easy, without the need to use additional additional assembly members with consequent additional assembly operations and specific.

La pièce unitaire intégrant les moyens de retenue est avantageusement formée par moulage d'une matière plastique, lesdites grandes faces étant matérialisées au moins en partie par les moyens de retenue.The unitary piece incorporating the retaining means is advantageously formed by molding a plastic material, said large faces being embodied at least in part by the retaining means.

Les moyens de retenue sont plus particulièrement constitués par des organes de retenue formant butée, qui sont ménagés dans le plan d'au moins une desdites grandes faces, avantageusement des deux, pour faire obstacle à un déplacement de l'élément chauffant vers l'extérieur du dit volume de réception.The retaining means are more particularly constituted by retaining members forming an abutment, which are formed in the plane of at least one of said large faces, advantageously both, to prevent movement of the heating element outwards. of said reception volume.

Selon une forme préférée de réalisation, le châssis comporte au moins un couloir de réception individuelle d'un élément chauffant ménagé dans ledit volume. Ce couloir favorise le guidage latéral de l'élément chauffant lors de son introduction dans le volume du châssis, et constitue avantageusement des moyens de positionnement latéral de l'élément chauffant par rapport à des organes de connexion que comporte une embase de connexion destiné à être rapporté sur le châssis. Une pluralité de couloirs est avantageusement ménagée, notamment par cloisonnement du volume du châssis au moyen de cloisons longitudinales que ce dernier comporte. Plus particulièrement, le couloir au moins est délimité entre des cloisons longitudinales qui s'étendent en interposition entre lesdites grandes faces. De tels moyens de positionnement latéral du ou des éléments chauffants permettent de positionner rigoureusement l'élément chauffant par rapport aux organes de raccordement électrique de l'embase de connexion équipant le radiateur additionnel, pour éviter tout contact électrique parasite. De telles dispositions sont notamment aussi destinées à permettre une exploitation individuelle d'éléments chauffants standard, qui sont mis en place séparément les uns des autres à l'intérieur d'un couloir qui leur est affecté. Les couloirs sont plus précisément séparés les uns des autres par les cloisons longitudinales, qui constituent avantageusement des organes d'isolation électrique des éléments chauffants les uns vis-à-vis des autres. En outre, les cloisons longitudinales forment des nervures de rigidification du châssis.According to a preferred embodiment, the chassis comprises at least one individual reception corridor of a heating element formed in said volume. This corridor promotes lateral guidance of the heating element when it is introduced into the chassis volume, and advantageously constitutes means for lateral positioning of the heating element with respect to connection elements that comprise a connection base intended to be reported on the chassis. A plurality of corridors is advantageously provided, in particular by partitioning the volume of the frame by means of longitudinal partitions that the latter comprises. In particular, the corridor at least is delimited between longitudinal partitions which extend in interposition between said large faces. Such lateral positioning means of the heating element or elements can accurately position the heating element relative to the electrical connection members of the connection base fitted to the additional radiator, to avoid parasitic electrical contact. Such arrangements are also intended to allow individual operation of standard heating elements, which are placed separately from each other within a corridor that is assigned to them. The corridors are more precisely separated from each other by the longitudinal partitions, which advantageously constitute electrical insulation members of the heating elements vis-à-vis each other. In addition, the longitudinal partitions form stiffening ribs of the frame.

Les organes de retenue sont plus particulièrement ménagés dans la zone de jonction entre les cloisons et lesdites grandes faces, en étant par exemple constitués de rebords que comportent les cloisons.The retaining members are more particularly formed in the junction zone between the partitions and said large faces, being for example constituted by edges that comprise the partitions.

Les organes de retenue s'étendent notamment le long des cloisons indifféremment de manière continue et/ou segmentée. Plus particulièrement selon une première variante de réalisation, les rebords sont susceptibles de s'étendre sur toute la longueur des cloisons. Selon une deuxième variante de réalisation, les rebords s'étendent par segments distants le long des cloisons. Pour un même organe de retenue affecté à l'une des grandes faces du châssis, les rebords sont susceptibles d'être ménagés de part et d'autre de la tranche correspondante des cloisons, ou sont susceptibles d'être ménagés au moins partiellement le long d'un seul bord de la tranche des cloisons. Dans ce dernier cas, les segments peuvent être ménagés en décalage alterné de l'un à l'autre des bords de la tranche d'une même cloison.The retaining members extend in particular along the partitions indifferently continuously and / or segmented. More particularly according to a first embodiment, the flanges are likely to extend over the entire length of the partitions. According to a second variant embodiment, the flanges extend in segments spaced apart along the partitions. For the same retaining member assigned to one of the large faces of the frame, the flanges may be formed on either side of the corresponding slice of the partitions, or may be provided at least partially along the on one edge of the edge of the partitions. In the latter case, the segments can be arranged alternately offset from one to the other edge of the edge of the same partition.

Selon une forme préférée de réalisation, les organes de retenue s'étendent par segments le long des cloisons. Un segment au moins d'un organe de retenue affecté à l'une des grandes faces est décalé par rapport à un segment au moins d'un organe de retenue affecté à l'autre grande face. Ces dispositions offrent l'avantage d'un démoulage aisé du châssis lors de sa fabrication malgré la conformation du châssis rendue complexe.According to a preferred embodiment, the retaining members extend in segments along the partitions. At least one segment of a retaining member assigned to one of the large faces is shifted with respect to at least one segment a retaining member assigned to the other large face. These provisions offer the advantage of easy release of the chassis during its manufacture despite the conformation of the chassis made complex.

Le décalage des segments de l'un à l'autre des organes de retenue est indifféremment un décalage longitudinal et/ou un décalage transversal dans le plan du châssis.The shift of the segments from one to the other of the retaining members is indifferently a longitudinal offset and / or a transverse offset in the plane of the frame.

Plus précisément des segments d'un premier organe de retenue affecté à l'une des grandes faces du châssis sont susceptibles d'être ménagés sur la tranche d'une première cloison à distance les uns des autres. Selon une première variante, les segments de l'autre organe de retenue sont alors susceptibles d'être ménagés sur la même cloison, à sa tranche opposée, en correspondance avec la zone d'éloignement des segments du premier organe de retenue. Selon une deuxième variante de réalisation, les segments de l'autre organe de retenue sont alors susceptibles d'être ménagés sur une autre cloison, à sa tranche opposée à celle de la première cloison, en s'étendant en vis-à-vis de l'organe de retenue que comporte cette dernière.Specifically segments of a first retaining member assigned to one of the large faces of the frame are likely to be formed on the edge of a first partition at a distance from each other. According to a first variant, the segments of the other retaining member are then capable of being arranged on the same partition, at its opposite edge, in correspondence with the zone of separation of the segments of the first retaining member. According to a second variant embodiment, the segments of the other retaining member are then able to be arranged on another partition, at its edge opposite that of the first partition, extending opposite the the retaining member that includes the latter.

Selon une forme avantageuse de réalisation, ces deux variantes peuvent être associées. Plus particulièrement, pour N segments d'un organe de retenue affecté à une première des dites grandes faces, un organe de retenue affecté à l'autre grande face comporte des segments décalés en alternance longitudinalement et transversalement par rapport aux segments de l'organe de retenue affecté à la première grande face.According to an advantageous embodiment, these two variants can be associated. More particularly, for N segments of a retaining member assigned to a first of said large faces, a retaining member assigned to the other large face comprises segments alternately offset longitudinally and transversely to the segments of the body of the restraint assigned to the first big face.

Selon une forme préférée de réalisation, au moins un organe de blocage de l'élément chauffant est intégré au châssis directement issu de moulage.According to a preferred embodiment, at least one blocking element of the heating element is integrated in the chassis directly resulting from molding.

L'organe de blocage coopère avantageusement avec une extrémité de l'élément chauffant pour interdire un déplacement de celui-ci au moins longitudinalement. Par exemple, l'organe de blocage est constitué d'un doigt muni d'un clip, d'un ergot, d'un crochet ou organe analogue, qui coopère avec un relief complémentaire que comporte l'élément chauffant.The locking member advantageously cooperates with one end of the heating element to prevent movement of the latter at least longitudinally. For example, the locking member consists of a finger provided with a clip, a ergot, a hook or similar member, which cooperates with a complementary relief that includes the heating element.

L'organe de blocage au moins s'étend préférentiellement dans le plan de l'une quelconque au moins des dites grandes faces.The at least one locking member preferably extends in the plane of at least one of said large faces.

Selon une forme préférée de réalisation, au moins un organe élastique d'appui longitudinal de l'élément chauffant est intégré au châssis. Cette intégration est réalisée directement de moulage. Une fonction au moins de cet organe élastique est d'absorber les variations dimensionnelles de l'élément chauffant, dans le sens longitudinal notamment, tant au regard des tolérances de fabrication qu'au regard de sa dilatation en phase de fonctionnement.According to a preferred embodiment, at least one elastic longitudinal support member of the heating element is integrated in the frame. This integration is made directly from molding . At least one function of this elastic member is to absorb the dimensional variations of the heating element, in the longitudinal direction in particular, both with regard to manufacturing tolerances and to its expansion in the operating phase.

Selon une variante préférée de réalisation, l'élément chauffant comporte à une de ses extrémités un bord présentant un relief complémentaire susceptible de coopérer avec l'organe de blocage. Ce relief est par exemple matérialisé par un épaulement pratiqué sur une électrode ou par la fin d'un bandeau dissipateur thermique, tout deux faisant partie de l'élément chauffant. La mise en appui de l'élément chauffant contre l'organe élastique lors de son introduction vers le volume intérieur du châssis provoque une flexion de l'organe de blocage, avantageusement monté élastiquement mobile dans le plan du châssis, jusqu'à une position d'immobilisation souhaitée de l'élément chauffant sur le châssis.According to a preferred embodiment, the heating element comprises at one of its ends an edge having a complementary relief capable of cooperating with the locking member. This relief is for example materialized by a shoulder made on an electrode or by the end of a heat sink strip, both of which are part of the heating element. The support of the heating element against the elastic member during its introduction to the internal volume of the frame causes a bending of the locking member, advantageously mounted elastically mobile in the plane of the frame, to a position d desired immobilization of the heating element on the chassis.

Le châssis incorpore préférentiellement des nervures de rigidification transversales. Ces nervures transversales sont avantageusement mises à profit pour supporter l'organe de blocage et l'organe élastique. Plus particulièrement, l'un quelconque au moins de l'organe de blocage et de l'organe élastique est ménagé sur l'une au moins des nervures transversales de rigidification que comporte le châssis.The frame preferably incorporates transverse stiffening ribs. These transverse ribs are advantageously used to support the locking member and the elastic member. More particularly, at least one of the locking member and the resilient member is formed on at least one of the transverse stiffening ribs that includes the frame.

Selon une forme préférée de réalisation, un organe de jonction entre le châssis et l'embase de connexion pour le raccordement des éléments chauffants à une source d'énergie et/ou des moyens de commande est intégré au châssis. Cette intégration est avantageusement réalisée de moulage.According to a preferred embodiment, a connecting member between the frame and the connection base for connecting the heating elements to a energy source and / or control means is integrated in the chassis. This integration is advantageously performed molding.

L'organe de jonction est plus particulièrement un organe de réception par emboîtement de l'embase de connexion, qui est agencé en manchon ou analogue dont l'évidement interne constitue ledit passage d'introduction des éléments chauffants. Le manchon est plus particulièrement muni d'au moins un logement de réception de l'embase de connexion, et d'au moins un relief d'emboîtement élastique d'un relief complémentaire que comporte cette embase. Un tel relief est par exemple formé d'un logement de réception d'un clip ou organe analogue que comporte l'embase de connexion.The connecting member is more particularly a receiving member by interlocking the connection base, which is arranged in a sleeve or the like of which the internal recess constitutes said passage of introduction of the heating elements. The sleeve is more particularly provided with at least one receiving housing of the connection base, and at least one resilient interlocking relief of a complementary relief that includes this base. Such a relief is for example formed of a receiving housing of a clip or similar member that includes the connection base.

L'organe élastique et l'organe d'emboîtement sont notamment ménagés à deux côtés opposés du châssis.The elastic member and the interlocking member are in particular formed on two opposite sides of the frame.

Selon une forme préférée de réalisation, des moyens de fixation du châssis à au moins une paroi de l'installation sont intégrés au châssis. Cette intégration est avantageusement réalisée de moulage. La paroi de l'installation est notamment celle d'un boîtier destiné à recevoir le radiateur additionnel. Les moyens de fixation comprennent notamment un organe de guidage et de positionnement du châssis sur la paroi de l'installation. Cet organe de guidage est par exemple formé d'un crochet ou d'un manchon axialement ouvert, tel que d'un profil conformé en C ou analogue, ou encore d'un organe de suspension ou d'emboîtement de quelconque conformation. Un tel organe de suspension est susceptible de coopérer avec un rail de fixation que comporte l'installation. L'organe de guidage participant des moyens de fixation est préférentiellement disposé à l'extrémité du châssis opposée à celle comportant l'organe de réception par emboîtement de l'embase de connexion, de sorte que le châssis soit maintenu à l'intérieur de l'installation en étant en prise à ses extrémités respectivement sur le rail et sur l'embase de connexion, elle-même fixée sur une paroi de l'installation.According to a preferred embodiment, means for attaching the frame to at least one wall of the installation are integrated into the frame. This integration is advantageously performed molding. The wall of the installation is in particular that of a housing for receiving the additional radiator. The fixing means comprise in particular a guiding and positioning member of the frame on the wall of the installation. This guide member is for example formed of a hook or an axially open sleeve, such as a shaped profile C or the like, or a suspension member or nesting of any conformation. Such a suspension member is likely to cooperate with a mounting rail that includes the installation. The guiding member of the fixing means is preferably arranged at the end of the frame opposite to that comprising the receiving member by interlocking the connection base, so that the frame is kept inside the frame. installation being engaged at its ends respectively on the rail and on the connection base, itself fixed on a wall of the installation.

Selon une forme préférée de réalisation, le châssis incorpore à l'une au moins de ses extrémités au moins une ouie de ventilation pour le passage à son travers du flux d'air véhiculé par l'installation. Ces dispositions visent à limiter les pertes de charges aérauliques à l'intérieur de l'installation et à éviter de perturber la circulation du flux d'air.According to a preferred embodiment, the chassis incorporates at least one of its ends at least a ventilation hole for passage through the flow of air conveyed by the installation. These provisions are intended to limit the pressure losses inside the installation and to avoid disturbing the circulation of the air flow.

On reconnaîtra un châssis de l'invention selon une forme préférentiellement optimisée de réalisation, en ce qu'il incorpore des moyens d'intégration individuelle d'une pluralité d'éléments chauffants. Ces moyens d'intégration sont avantageusement incorporés au châssis de moulage. Plus précisément, ces moyens d'intégration associent pour chacun des éléments chauffants :

  1. a) des moyens de retenue des éléments chauffants dans le plan du châssis, à l'intérieur du volume réservé à leur réception. Ces moyens de retenue sont notamment constitués par lesdits organes de retenue matérialisant au moins partiellement lesdites grandes faces.
  2. b) des moyens de blocage longitudinal des éléments chauffants associés à des moyens élastiques d'appui des éléments chauffants à l'une de leurs extrémités. Plus particulièrement, les moyens de blocage longitudinal associent les doigts à ergot et l'organe élastique.
  3. c) des moyens de positionnement latéral des éléments chauffants sur le châssis et de maintien de ces éléments dans cette position par rapport à des organes respectifs de raccordement électrique que comporte une embase de connexion équipant le radiateur. Ces moyens de positionnement latéral sont notamment constitués par les couloirs de réception individuelle des éléments chauffants respectivement délimités entre deux cloisons longitudinales voisines.
A frame of the invention will be recognized according to a preferentially optimized embodiment, in that it incorporates means of individual integration of a plurality of heating elements. These integration means are advantageously incorporated in the molding frame. More precisely, these integration means associate for each of the heating elements:
  1. a) means for retaining the heating elements in the plane of the chassis, within the volume reserved for their reception. These retaining means are in particular constituted by said retaining members embodying at least partially said large faces.
  2. b) longitudinal locking means of the heating elements associated with resilient means for supporting the heating elements at one of their ends. More particularly, the longitudinal locking means associates the pins with pin and the elastic member.
  3. c) means for lateral positioning of the heating elements on the frame and holding these elements in this position relative to respective electrical connection members that comprises a connection base fitted to the radiator. These lateral positioning means are constituted in particular by the individual reception corridors of the heating elements delimited respectively between two adjacent longitudinal partitions.

L'agencement structurel du châssis permet son obtention à faible coût, à partir d'une opération de moulage unique exploitant par exemple un moule à deux coquilles et un tiroir pour la formation du manchon destiné à recevoir l'embase de connexion et à autoriser le passage du ou des éléments chauffants vers le volume intérieur du châssis. Un tel châssis incorpore de fabrication et sans opération supplémentaire d'assemblage, l'ensemble des moyens nécessaires au positionnement et au maintien de l'élément chauffant au moins sur le châssis, au positionnement et au maintien du châssis sur une paroi au moins de l'installation, et au raccordement de l'élément chauffant au moins à la source d'énergie du véhicule et/ou à des moyens de commande, par l'intermédiaire de l'embase de connexion facilement joignable au châssis au moyen du manchon. On comprendra que l'élément chauffant est susceptible d'être formé à partir d'une pluralité d'éléments chauffants élémentaires rassemblés en bloc entre eux préalablement à leur installation sur le châssis. Cependant, l'utilisation d'une pluralité d'éléments chauffants élémentaires individuellement installés dans les couloirs qui leurs sont affectés permet de réduire les coûts d'obtention du radiateur, grâce à l'exploitation directe d'éléments chauffants standard et à leur installation aisée et individuelle sur le châssis, par glissement à l'intérieur du volume intérieur de celui-ci à partir de l'une de ses faces latérales, à la manière d'un tiroir.
On notera par ailleurs que l'agencement en tiroir permet d'adapter la puissance de chauffage requise pour différent type de radiateur tout en standardisant la pièce principale de ce radiateur, c'est-à-dire le châssis. En effet, chaque élément délivre en moyenne 300 watts de sorte qu'à partir d'un même châssis comportant par exemple quatre couloirs, on peut créer quatre radiateurs de puissance différente, 300, 600, 900 ou 1200 Watts.The structural arrangement of the frame makes it possible to obtain it at low cost, from a single molding operation using, for example, a mold with two shells and a drawer for forming the sleeve intended to receive the connection base and to authorize the passage of the heating element (s) to the interior volume of the frame. Such a chassis incorporates manufacturing and without additional assembly operation, all the means necessary for positioning and maintaining the heating element at least on the chassis, positioning and maintaining the chassis on at least one wall of the installation, and connecting the heating element to at least the vehicle energy source and / or control means, via the connection base easily accessible to the frame by means of the sleeve. It will be understood that the heating element is capable of being formed from a plurality of elementary heating elements assembled in block between them prior to their installation on the chassis. However, the use of a plurality of elementary heating elements individually installed in the hallways assigned to them reduces the costs of obtaining the radiator, through the direct operation of standard heating elements and their easy installation and individual on the frame, by sliding inside the interior volume thereof from one of its side faces, in the manner of a drawer.
Note also that the drawer arrangement allows to adjust the heating power required for different type of radiator while standardizing the main part of the radiator, that is to say the chassis. Indeed, each element delivers on average 300 watts so that from the same frame comprising for example four corridors, one can create four radiators of different power, 300, 600, 900 or 1200 Watts.

La présente invention porte aussi sur un radiateur de chauffage électrique d'une installation de chauffage, de ventilation et/ou de climatisation, comportant un châssis précédemment décrit.The present invention also relates to an electric heating radiator of a heating, ventilation and / or air conditioning installation, comprising a previously described chassis.

La présente invention porte aussi sur une installation de ventilation, de chauffage et/ou de climatisation intégrant un radiateur électrique d'appoint précédemment décrit.The present invention also relates to a ventilation, heating and / or air conditioning installation incorporating an auxiliary electric radiator previously described.

La présente invention porte aussi sur un procédé d'assemblage d'un radiateur électrique précédemment décrit. Ce procédé comprend notamment au moins les étapes consistant à :

  1. a) introduire au moins un élément chauffant vers le volume du châssis, à travers un passage ménagé dans une paroi latérale du châssis.
  2. b) faire coulisser l'élément chauffant entre des moyens de retenue du châssis ménagés dans la zone des dites grandes faces de ce dernier.
  3. c) mettre l'élément chauffant en appui contre l'organe élastique et le bloquer en position par mise en coopération entre le relief de l'élément chauffant et l'organe de blocage.
  4. d) installer une embase de connexion par emboîtement sur le châssis, et raccorder l'élément chauffant à cette embase de connexion. Ce raccordement est susceptible d'être opéré par emboîtement de l'élément chauffant avec l'embase de connexion consécutivement à son installation sur le châssis, et/ou par soudage de l'élément chauffant aux organes de connexion correspondants de l'embase de connexion.
The present invention also relates to a method of assembling an electric heater previously described. This method comprises in particular at least the steps of:
  1. a) introducing at least one heating element to the frame volume, through a passage in a side wall of the frame.
  2. b) slide the heating element between frame retaining means formed in the area of said large faces thereof.
  3. c) putting the heating element bearing against the elastic member and block in position by placing in cooperation between the relief of the heating element and the locking member.
  4. d) install a connection socket by interlocking on the chassis, and connect the heating element to this connection base. This connection can be made by interlocking the heating element with the connection base following its installation on the chassis, and / or by welding the heating element to the corresponding connection members of the connection base. .

Le procédé de l'invention consiste aussi à installer de préférence individuellement une pluralité d'éléments chauffants distincts à l'intérieur de couloirs respectifs que comporte le châssis. Cette installation est susceptible d'être réalisée par mise en place successive des éléments chauffants à l'intérieur du volume du châssis, ou encore par mise en place groupée de ces éléments chauffants à partir d'une même opération d'assemblage individuel des éléments chauffants sur le châssis.The method of the invention also consists of preferably individually installing a plurality of separate heating elements within respective corridors in the frame. This installation is likely to be carried out by successively placing the heating elements inside the frame volume, or by grouped placing these heating elements from a single operation of individual assembly of the heating elements. on the chassis.

Description des figures.Description of the figures.

La présente invention sera mieux comprise, et des détails en relevant apparaîtront, à la lecture de la description qui va en être faite d'une forme préférée de réalisation, en relation avec les figures des planches annexées, dans lesquelles :

  • La fig.1 est une vue en perspective d'un radiateur électrique additionnel comprenant un châssis de la présente invention, installé sur une paroi d'une installation de ventilation, de chauffage et/ou de climatisation.
  • La fig.2 est une vue en perspective d'un châssis tel que représenté sur la fig.1.
The present invention will be better understood, and details will arise, on reading the description which will be made of a preferred embodiment, in relation to the figures of the attached plates, wherein:
  • Fig.1 is a perspective view of an additional electric heater comprising a frame of the present invention, installed on a wall of a ventilation, heating and / or air conditioning system.
  • Fig.2 is a perspective view of a frame as shown in Fig.1.

Sur les figures, un radiateur électrique est destiné à équiper une installation de ventilation, de chauffage et/ou de climatisation, d'un véhicule notamment. Ce radiateur est un radiateur d'appoint de chaleur pratiquement immédiat dans les véhicules déficient en chaleur au démarrage.In the figures, an electric heater is intended to equip a ventilation system, heating and / or air conditioning, including a vehicle. This radiator is an almost immediate heat sink radiator in vehicles deficient in heat at startup.

Le radiateur comprend un châssis 1 plan conformé en cadre, qui est destiné à être placé dans le flux d'air A véhiculé par l'installation. Ce châssis 1 comporte deux grandes faces 2 et 2' destinées à être traversées par le flux d'air, qui sont disposées à distance parallèlement l'une de l'autre pour ménager entre elles un volume interne 12 de réception d'une pluralité d'éléments chauffants 3. Ces éléments chauffants 3 sont constitués sur l'exemple de réalisation illustré par des résistances à coefficient de température positif (CTP).The radiator comprises a frame 1 plan shaped frame, which is intended to be placed in the air flow A conveyed by the installation. This frame 1 comprises two large faces 2 and 2 'intended to be traversed by the air flow, which are arranged at a distance parallel to each other to provide an internal volume 12 for reception of a plurality of Heaters 3. These heating elements 3 are constituted on the exemplary embodiment illustrated by resistors with positive temperature coefficient (PTC).

Le châssis 1 est constitué d'un élément monobloc, formé par moulage d'une matière plastique, telle que polypropylène, polyamide ou matière plastique analogue. Plus particulièrement, les deux grandes faces 2,2' sont disposées à distance l'une de l'autre par l'intermédiaire des parois latérales du cadre formant le châssis 1, ces parois latérales étant constitutives d'une pièce unitaire. Pour maintenir les éléments chauffants dans le volume interne 12 du châssis 1, des organes de retenue 15 intégrés de moulage au châssis sont respectivement disposés dans le plan de chacune des grandes faces 2,2' du châssis 1. Ces organes de retenue 15 forment des obstacles interdisant une échappée des éléments chauffants 3 à travers les grandes faces 2,2' du châssis 3.The frame 1 consists of a one-piece element, formed by molding a plastic material, such as polypropylene, polyamide or similar plastics material. More particularly, the two large faces 2,2 'are arranged at a distance from one another via the side walls of the frame forming the frame 1, these side walls constituting a unitary piece. In order to maintain the heating elements in the internal volume 12 of the frame 1, integral molding retaining members 15 are respectively located in the plane of each of the large faces 2, 2 'of the frame 1. These retaining members 15 form obstacles preventing escape of the heating elements 3 through the large faces 2,2 'of the frame 3.

Une embase de connexion 4 est rapporté sur le châssis 1 pour la mise en relation électrique des éléments chauffants 3 avec une source d'énergie électrique du véhicule et/ou des moyens de commande. L'embase de connexion 4 est rapporté sur le châssis 1 par l'intermédiaire d'un manchon latéral 10 ménagé sur le châssis 1, qui reçoit par emboîtement cette embase 4. Des logements 11 sont ménagés dans le manchon 10, pour la réception de clips que comporte l'embase 4, de manière à verrouiller la liaison par emboîtement entre l'embase de connexion 4 et le châssis 2.A connection base 4 is attached to the frame 1 for the electrical connection of the heating elements 3 with a source of electrical energy of the vehicle and / or control means. The connection base 4 is attached to the frame 1 via a lateral sleeve 10 formed on the frame 1, which receives by fitting this base 4. Housings 11 are formed in the sleeve 10, for the reception of clips that comprises the base 4, so as to lock the connection by interlocking between the connection base 4 and the frame 2.

L'évidement interne du manchon 10 est mis à profit pour constituer un passage 21 d'introduction en tiroir des éléments chauffants 3 vers le volume interne 12 du châssis 1, en raison de l'obstacle que forment les organes de retenue 15 à l'encontre d'une introduction des éléments chauffants par les grandes faces 2,2' du châssis 1.The internal recess of the sleeve 10 is used to provide a passage 21 for introducing the heating elements 3 into the internal volume 12 of the frame 1, because of the obstacle formed by the retaining members 15 to the against an introduction of the heating elements by the large faces 2,2 'of the frame 1.

L'embase de connexion 4 est fixé sur un élément de paroi 5 de l'installation, et notamment sur un élément de paroi d'un boîtier logeant au moins le radiateur additionnel. Cette embase de connexion 4 étant emboîtée sur le châssis 1, celui-ci est maintenu sur la paroi 5 de l'installation. Le châssis 1 est en outre soutenu par un rail 8 qui s'étend entre le premier élément de paroi 5 et un élément 6 de paroi opposé de l'installation. Ce soutien est obtenu au moyen d'un organe d'emboîtement 7 ménagé à l'extrémité du châssis 1 opposée à celle recevant l'embase de connexion 4. Cet organe d'emboîtement 7 est par exemple conformé en manchon ouvert, en crochet ou organe analogue. Accessoirement, l'un au moins des éléments de paroi 5,6 comporte un taquet 9 de maintien du châssis 1 en position dans son plan général. Les moyens de fixation du châssis 1 sur l'installation, qui associent notamment le manchon 10 et l'organe d'emboîtement 7, sont intégrés de moulage au châssis 1.The connection base 4 is fixed on a wall element 5 of the installation, and in particular on a wall element of a housing housing at least the additional radiator. This connection base 4 being fitted on the frame 1, it is held on the wall 5 of the installation. The frame 1 is further supported by a rail 8 which extends between the first wall element 5 and a wall element 6 opposite the installation. This support is obtained by means of an interlocking member 7 formed at the end of the frame 1 opposite to that receiving the connection base 4. This interlocking member 7 is for example formed as an open sleeve, hook or analogous organ. Incidentally, at least one of the wall elements 5,6 has a cleat 9 for holding the frame 1 in position in its general plane. The fixing means of the frame 1 on the installation, which in particular associates the sleeve 10 and the interlocking member 7, are integrally molded to the frame 1.

Le châssis 1 incorpore de moulage des moyens d'intégration des éléments chauffants 3 dans son volume interne 12. Ces moyens d'intégration comprennent des couloirs 13 de réception individuelle des éléments chauffants 3. Ces derniers sont individuellement introduits par glissement à l'intérieur d'un couloir 13 qui leur est affecté. Les couloirs 13 sont délimités par des cloisons longitudinales 14, qui sont incorporées de moulage au châssis 1. Ces cloisons 14 constituent non seulement des organes de guidage des éléments chauffants 3 lors de leur introduction à l'intérieur du châssis 1, mais aussi des organes de rigidification du châssis 1, et des organes d'isolation électrique entre deux éléments chauffants 3 voisins.The chassis 1 incorporates molding means for integrating the heating elements 3 in its internal volume 12. These integration means comprise corridors 13 for individual reception of the heating elements 3. These are individually introduced by sliding inside the interior. a corridor 13 assigned to them. The corridors 13 are delimited by longitudinal partitions 14, which are integrally molded to the frame 1. These partitions 14 constitute not only guide members of the heating elements 3 when they are introduced inside the frame 1, but also stiffening the frame 1, and electrical insulation members between two neighboring heating elements 3.

Les organes de retenue 15 sont constitués par des rebords ménagés en couverture partielle des grandes faces 2,2' du châssis 1. Ces rebords sont ménagés en bordure des tranches des cloisons longitudinales 14 et/ou des côtés latéraux du châssis 1. Ces organes de retenue 15 sont eux aussi incorporés de moulage au châssis 1, et maintiennent les éléments chauffants 3 à l'intérieur du volume interne 12 du châssis à l'encontre de leur échappée à travers les grandes faces du châssis 1. Ces organes de retenue s'étendent par segments distants le long des tranches des cloisons 14. Les segments d'un organe de retenue 15 d'une grande face 2,2' sont ménagés sur une première tranche d'au moins d'une cloison 14, tandis que les segments d'un organe de retenue 15 de l'autre grande face 2,2' sont ménagés sur la tranche opposée de cette cloison 14. Sur l'exemple de réalisation illustré, les cloisons 14 sont au nombre de 4. Chacune d'entre elles comporte des organes de retenue 15 ménagés sur chacune de ses tranches. Ces organes de retenue 15 sont segmentés, les segments ménagés sur l'une des tranches de la cloison 14 étant longitudinalement décalés par rapport aux segments ménagés sur l'autre tranche de cette cloison 14. L'un des organes de retenue 15 ménagé sur une première tranche d'une cloison 14 est divisé en 2 segments, l'autre organe de retenue ménagé sur l'autre tranche de la cloison 14 comportant un seul segment longitudinalement décalé par rapport aux segments ménagés sur la première tranche de la cloison 14. Ces dispositions permettent de faciliter l'opération de moulage et de démoulage du châssis 1, malgré son agencement en pièce unitaire intégrant les organes de retenue 15.The retaining members 15 consist of flanges formed in partial coverage of the large faces 2, 2 'of the frame 1. These flanges are formed at the edges of the edges of the longitudinal partitions 14 and / or the lateral sides of the frame 1. retainers 15 are also incorporated molding 1 frame, and maintain the heating elements 3 inside the internal volume 12 of the frame against their escapement through the large faces of the frame 1. These retaining members s' extend in remote segments along the slices of the partitions 14 . The segments of a retaining member 15 of a large face 2,2 'are formed on a first wafer of at least one partition 14, while the segments of a retaining member 15 of the other large 2.2 'face are formed on the opposite edge of the partition 14. In the embodiment shown, the partitions 14 are of 4. Each of them comprises retaining members 15 provided on each of its slices . These retaining members 15 are segmented, the segments formed on one of the slices of the partition 14 being longitudinally offset relative to the segments formed on the other edge of this partition 14. One of the retaining members 15 formed on a first portion of a partition 14 is divided into 2 segments, the other retainer formed on the other edge of the partition 14 having a single segment longitudinally offset from the segments on the first portion of the partition 14. These Provisions make it possible to facilitate the molding and demolding operation of the frame 1, despite its unitary piece arrangement incorporating the retaining members 15.

Les moyens d'intégration comprennent aussi des organes élastiques 16 de poussée longitudinale des éléments chauffants 3 en direction du manchon 10. Sur l'exemple de réalisation illustré, ces organes élastiques 16 sont formés de languettes ou organe analogue déformables que le châssis 1 incorpore de moulage. Ces organes élastiques 16 permettent de compenser d'éventuelles variations dimensionnelles des éléments chauffants 3, variations susceptibles de résulter des tolérances de fabrication des éléments chauffants 3 et/ou de leur dilatation en fonctionnement.The integration means also comprise elastic members 16 for longitudinal thrust of the heating elements 3 in the direction of the sleeve 10. In the exemplary embodiment illustrated, these elastic members 16 are formed of tongues or similar deformable member that the frame 1 incorporates molding. These resilient members 16 make it possible to compensate for any dimensional variations of the heating elements 3, variations that may result from the manufacturing tolerances of the heating elements 3 and / or their expansion during operation.

Les moyens d'intégration comprennent aussi des organes de blocage 17 des éléments chauffants 3 à l'intérieur du couloir 13 qui les reçoit. Ces organes de blocage 17 sont notamment destinés à positionner les éléments chauffants 3 à l'intérieur des couloirs 13, en une position adaptée pour leur raccordement électrique avec l'embase de connexion 4. Ces organes de blocage 17 sont eux aussi incorporés de moulage au châssis 1, en étant ménagés dans le plan de l'une au moins des grandes faces 2,2' du châssis 1. Sur l'exemple de réalisation illustré, ces organes de blocage 17 sont constitués de doigts à ergot ou à crochet, qui sont montés élastiquement mobiles dans le plan du châssis 2, en s'étendant naturellement dans le plan des grandes faces 2,2'. Les organes de blocage 17 sont destinés à être en prise sur un relief complémentaire 22 que comportent les éléments chauffants 3. De tels reliefs complémentaires 22 sont notamment en pluralité pour chacun des éléments chauffants 3, en étant agencés les uns par rapport aux autres à la manière des crans d'une crémaillère.The integration means also comprise locking members 17 of the heating elements 3 inside the corridor 13 which receives them. These locking members 17 are in particular intended to position the heating elements 3 inside the corridors 13, in a position adapted for their electrical connection with the connection base 4. These locking members 17 are also incorporated molding at frame 1, being formed in the plane of at least one of the large faces 2,2 'of the frame 1. In the embodiment shown, these locking members 17 consist of pins with hook or hook, which are mounted resiliently movable in the plane of the frame 2, extending naturally in the plane of the large faces 2,2 '. The locking members 17 are intended to be engaged on a complementary relief 22 that the heating elements 3 comprise. Such complementary reliefs 22 are in particular in plurality for each of the heating elements 3, being arranged relative to one another at the way notches of a rack.

Pour installer l'élément chauffant 3 sur le châssis 1, celui-ci est introduit à travers le passage 21 à la manière d'un tiroir jusqu'à sa mise en appui contre l'organe élastique 16, et la mise en prise de l'organe de blocage avec l'un des reliefs complémentaires 22 de l'élément chauffant 3. L'élément chauffant 3 est guidé lors de son introduction à l'intérieur du couloir 13 correspondant, d'une part latéralement entre les cloisons 14, et d'autre part dans le plan du châssis entre les grandes faces 2,2' par les organes de retenue 15.To install the heating element 3 on the frame 1, it is introduced through the passage 21 in the manner of a drawer until it bears against the elastic member 16, and the engagement of the blocking member with one of the complementary reliefs 22 of the heating element 3. The heating element 3 is guided during its introduction into the corresponding corridor 13, on the one hand laterally between the partitions 14, and on the other hand in the plane of the frame between the large faces 2,2 'by the retaining members 15.

Le châssis 2 incorpore aussi de moulage des nervures transversales 18 de rigidification, qui sont mises à profit pour supporter les organes élastiques 16 et les organes de blocage 17. Accessoirement, d'autres nervures longitudinales 19 de rigidification sont ménagées en bordure extérieure des parois latérales du châssis 1.The frame 2 also incorporates the molding transverse stiffening ribs 18, which are used to support the elastic members 16 and the locking members 17. Accessorily, other longitudinal stiffening ribs 19 are provided at the outer edge of the side walls. chassis 1.

Le châssis 1 incorpore aussi de moulage des ouies 20 pour le passage du flux d'air véhiculée par l'installation, en vue de réduire les pertes de charges aérauliques et de ne pas perturber la circulation du flux d'air à l'intérieur de l'installation. Ces ouies 20 sont notamment ménagées à travers un élément d'extrémité de rigidification transversale du châssis 1.The frame 1 also incorporates the molding of the louvers 20 for the passage of the air flow conveyed by the installation, in order to reduce the airflow losses and not to disturb the circulation of the air flow inside the installation. These lugs 20 are formed in particular through a transverse stiffening end element of the chassis 1.

Claims (19)

Châssis (1) de réception d'au moins un élément chauffant (3) pour un radiateur électrique d'une installation de ventilation, de chauffage et/ou de climatisation, ce châssis (1) étant conformé en cadre évidé dont les grandes faces (2,2') destinées à être traversées par le flux d'air A véhiculé par l'installation sont maintenues à distance l'une de l'autre pour ménager entre elle un volume (12) de réception de l'élément chauffant (3), caractérisé en ce que le châssis (1) est formé d'une pièce unitaire dans laquelle des moyens de retenue (15) de l'élément chauffant (3) à l'intérieur dudit volume (12) sont ménagés dans la zone desdites grandes faces (2,2').Chassis (1) for receiving at least one heating element (3) for an electric radiator of a ventilation, heating and / or air-conditioning installation, this frame (1) being shaped like a hollow frame whose large faces ( 2.2 ') intended to be traversed by the flow of air A conveyed by the installation are kept at a distance from each other to provide a space (12) for receiving the heating element between them (3). ), characterized in that the frame (1) is formed of a unitary piece in which retaining means (15) of the heating element (3) inside said volume (12) are formed in the zone of said large faces (2,2 '). Châssis selon la revendication 1, caractérisé en ce qu'un passage (21) d'introduction de l'élément chauffant (3) vers ledit volume (12) est ménagé à travers l'une quelconque au moins des parois latérales du châssis (1).Chassis according to claim 1, characterized in that a passage (21) for introducing the heating element (3) towards said volume (12) is formed through at least one of the side walls of the frame (1). ). Châssis selon l'une quelconque des revendications précédentes, caractérisé en ce que la pièce unitaire intégrant les moyens de retenue (15) est formée par moulage d'une matière plastique, lesdites grandes faces (2,2') étant matérialisées au moins en partie par les moyens de retenue (2,2').Chassis according to any one of the preceding claims, characterized in that the unitary piece incorporating the retaining means (15) is formed by molding a plastic material, said large faces (2,2 ') being materialized at least in part by the retaining means (2,2 '). Châssis selon l'une quelconque des revendications précédentes, caractérisé en ce les moyens de retenue (15) sont constitués par au moins un organe de retenue formant butée, qui est ménagé dans le plan d'au moins une desdites grandes faces (2,2') pour faire obstacle à un déplacement de l'élément chauffant (3) vers l'extérieur dudit volume (12).Chassis according to any one of the preceding claims, characterized in that the retaining means (15) consist of at least one retaining member forming a stop, which is formed in the plane of at least one of said large faces (2.2 ') to prevent movement of the heating element (3) outwardly of said volume (12). Châssis selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte au moins un couloir (13) de réception individuelle d'un élément chauffant (3) ménagé dans ledit volume (12), ce couloir étant délimité par des cloisons longitudinales (14) qui s'étendent en interposition entre lesdites grandes faces (2,2').Chassis according to any one of the preceding claims, characterized in that it comprises at least one corridor (13) for individual reception of a heating element (3) formed in said volume (12), this corridor being delimited by partitions longitudinal members (14) extending interposed between said large faces (2,2 '). Châssis selon les revendications 4 et 5 caractérisé en ce que l'organe de retenue (15) est ménagé dans la zone de jonction entre la cloison (14) et ladite grande face (2,2').Chassis according to claims 4 and 5 characterized in that the retaining member (15) is formed in the junction area between the partition (14) and said large face (2,2 '). Châssis selon la revendication 6, caractérisé en ce que l'organe de retenue (15) est constitué de rebord que comporte au moins une cloison (14).Chassis according to claim 6, characterized in that the retaining member (15) consists of flange that comprises at least one partition (14). Châssis selon l'une quelconque des revendications 6 ou 7, caractérisé en ce que les organes de retenue (15) s'étendent le long des cloisons (14) indifféremment de manière continue et/ou segmentée.Chassis according to any one of claims 6 or 7, characterized in that the retaining members (15) extend along the partitions (14) indifferently continuously and / or segmented. Châssis selon la revendication 8, caractérisé en ce que les organes de retenue (15) s'étendant par segments le long des cloisons (14), un segment au moins d'un organe de retenue (15) affecté à l'une des grandes faces (2,2') est décalé par rapport à un segment au moins d'un organe de retenue (15) affecté à l'autre grande face.Chassis according to claim 8, characterized in that the retaining members (15) extending in segments along the partitions (14), at least one segment of a retaining member (15) assigned to one of the large faces (2,2 ') is shifted with respect to at least one segment of a retaining member (15) assigned to the other large face. Châssis selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un organe de blocage (17) de l'élément chauffant (3) est intégré au châssis (1).Frame according to one of the preceding claims, characterized in that at least one locking element (17) of the heating element (3) is integrated in the frame (1). Châssis selon la revendication 10, caractérisé en ce que l'organe de blocage (17) coopère avec une extrémité de l'élément chauffant (3) pour interdire un déplacement de celui-ci au moins longitudinal.Chassis according to claim 10, characterized in that the locking member (17) cooperates with one end of the heating element (3) to prohibit a displacement of the latter at least longitudinal. Châssis selon les revendications 10 ou 11, caractérisé en ce que l'organe de blocage (17) est constitué d'un doigt à ergot coopérant avec un relief complémentaire (22) que comporte l'élément chauffant (3).Chassis according to claims 10 or 11, characterized in that the locking member (17) consists of a lug finger cooperating with a complementary relief (22) that comprises the heating element (3). Châssis selon l'une quelconque des revendications 10 à 12, caractérisé en ce que l'organe de blocage (17) s'étend dans le plan de l'une quelconque au moins des dites grandes faces (2,2').Chassis according to any one of claims 10 to 12, characterized in that the locking member (17) extends in the plane of any one of at least said large faces (2,2 '). Châssis selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un organe élastique (16) d'appui longitudinal de l'élément chauffant (3) est intégré au châssis (1).Chassis according to any one of the preceding claims, characterized in that at least one elastic member (16) for longitudinal support of the heating element (3) is integrated in the frame (1). Châssis selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il incorpore des moyens d'intégration individuelle d'une pluralité d'éléments chauffants (3).Chassis according to any one of the preceding claims, characterized in that it incorporates means for individual integration of a plurality of heating elements (3). Châssis selon la revendication 15, caractérisé en ce que les moyens d'intégration associent pour chacun des éléments chauffants (3) : a) au moins un moyen de retenue de l'élément chauffant (3) dans le plan du châssis (1), à l'intérieur du volume (12) réservé à leur réception, b) au moins un moyen de blocage longitudinal de l'élément chauffant (3) associés à au moins un moyen élastique d'appui de l'élément chauffant (3) à l'une de ses extrémités. c) au moins un moyen de positionnement latéral de l'élément chauffant (3) sur le châssis (1) et de maintien de cet élément (3) dans cette position par rapport à des organes respectifs de raccordement électrique que comporte une embase de connexion (4) équipant le radiateur. Chassis according to claim 15, characterized in that the integration means associate for each of the heating elements (3): a) at least one retaining means of the heating element (3) in the plane of the frame (1), inside the volume (12) reserved for their reception, b) at least one longitudinal locking means of the heating element (3) associated with at least one elastic support means of the heating element (3) at one of its ends. c) at least one means for lateral positioning of the heating element (3) on the frame (1) and for holding this element (3) in this position with respect to respective electrical connection members that comprise a connection base (4) equipping the radiator. Radiateur de chauffage électrique d'une installation de chauffage, de ventilation et/ou de climatisation caractérisé en ce qu'il comprend un châssis (1) selon l'une quelconque des revendications 1 à 16.An electric heating radiator for a heating, ventilation and / or air conditioning system, characterized in that it comprises a frame (1) according to any one of claims 1 to 16. Installation de ventilation, de chauffage et/ou de climatisation intégrant un radiateur électrique selon la revendication 17.Ventilation, heating and / or air conditioning installation incorporating an electric radiator according to Claim 17. Procédé d'assemblage d'un radiateur électrique, caractérisé en ce qu'il comprend au moins les étapes consistant à : a) introduire au moins un élément chauffant (3) vers un volume de réception (12) interne d'un châssis (1), à travers un passage (21) ménagé dans une paroi latérale dudit châssis, b) faire coulisser l'élément chauffant (3) entre des moyens de retenue de l'élément chauffant dans le volume de réception du châssis (1) ménagés dans une zone des grandes faces (2,2') de ce dernier, c) mettre l'élément chauffant (3) en appui contre un organe élastique (16) et le bloquer en position par mise en coopération entre l'élément chauffant (3) et l'organe de blocage (17). d) installer une embase de connexion (4) par emboîtement sur le châssis (1), et raccorder l'élément chauffant (3) à cette embase de connexion (4). A method of assembling an electric heater, characterized in that it comprises at least the steps of: a) introducing at least one heating element (3) to an internal receiving space (12) of a frame (1), through a passage (21) formed in a side wall of said frame, b) sliding the heating element (3) between means for retaining the heating element in the receiving space of the frame (1) formed in an area of the large faces (2, 2 ') of the latter, c) putting the heating element (3) against a resilient member (16) and block it in position by cooperation between the heating element (3) and the locking member (17). d) installing a connection base (4) by interlocking on the frame (1), and connecting the heating element (3) to this connection base (4).
EP07102417.8A 2006-02-17 2007-02-14 Heating-element support frame for an electric radiator of a ventilation, heating and/or air-conditioning installation Active EP1821575B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0601461A FR2897744B1 (en) 2006-02-17 2006-02-17 HEATING ELEMENTS CHASSIS FOR AN ELECTRICAL RADIATOR OF A VENTILATION, HEATING AND / OR AIR CONDITIONING INSTALLATION.

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EP1821575A1 true EP1821575A1 (en) 2007-08-22
EP1821575B1 EP1821575B1 (en) 2018-07-11

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US (1) US7977607B2 (en)
EP (1) EP1821575B1 (en)
JP (1) JP4892369B2 (en)
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FR3056454A1 (en) * 2016-09-29 2018-03-30 Valeo Systemes Thermiques FRAME FOR AN ELECTRIC HEATING DEVICE COMPRISING A PLASTIC DEFORMATION MEANS
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FR3078022A1 (en) * 2018-02-19 2019-08-23 Valeo Systemes Thermiques FRAME OF AN ELECTRIC HEATING DEVICE COMPRISING A DEFORMABLE ELEMENT

Also Published As

Publication number Publication date
FR2897744B1 (en) 2008-05-09
EP1821575B1 (en) 2018-07-11
US20070187384A1 (en) 2007-08-16
FR2897744A1 (en) 2007-08-24
JP2007216951A (en) 2007-08-30
JP4892369B2 (en) 2012-03-07
US7977607B2 (en) 2011-07-12

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