EP1462733A1 - Dispositif de chauffage électrique comprenant un corps chauffant - Google Patents
Dispositif de chauffage électrique comprenant un corps chauffant Download PDFInfo
- Publication number
- EP1462733A1 EP1462733A1 EP04005884A EP04005884A EP1462733A1 EP 1462733 A1 EP1462733 A1 EP 1462733A1 EP 04005884 A EP04005884 A EP 04005884A EP 04005884 A EP04005884 A EP 04005884A EP 1462733 A1 EP1462733 A1 EP 1462733A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plates
- bases
- heating body
- rails
- heating
- 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
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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
- 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
-
- 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
- F24H3/0441—Interfaces between the electrodes of a resistive heating element and the power supply means
-
- 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
- F24H3/0441—Interfaces between the electrodes of a resistive heating element and the power supply means
- F24H3/0447—Forms of the electrode terminals, e.g. tongues or clips
-
- 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
- F24H3/047—Multiple-piece frames assembled on their four or more edges
-
- 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
Definitions
- the invention relates to electric heating devices, especially for air heating installations in vehicles automobiles.
- the heating of the air intended for the heating of the passenger compartment of a motor vehicle with an internal combustion engine is ensured by exchange of heat between an air flow and an engine coolant circulating in an exchanger.
- Such a device generally comprises a heating body having a plurality of parallel conductive plates between which are mounted resistive heating elements and elements radiators increasing the heat exchange surface with the air flow passing through the heater.
- the different elements of the body are generally assembled together by a means mechanical.
- the invention aims to simplify and optimize the implementation an electric heating device comprising a heating body, in particular to reduce manufacturing and assembly costs by compared to the devices of the prior art.
- an electric heating device comprising a heating body comprising a plurality of plates conductive between which are mounted resistive heating elements and radiant elements increasing the heat exchange surface with an air flow passing through the heating device, the heating body being arranged between a front base and a rear base, characterized in that it further comprises at least one body holding plate heater comprising at its ends cooperating anchoring means with associated receiving means integrated in the front sub-bases and rear, in order to keep the heating body fixedly between these bases front and rear.
- At least part of said conductive plates protrudes at the front base to form terminals for connection to a circuit power supply.
- the front and rear bases have a shape of rectangular boxes adapted to accommodate the ends of the body heating.
- the heating body has two holding plates arranged on each of the two sides lateral sides of the heating body.
- the means anchor cooperate with the associated reception means by clipping.
- the receiving means may include tabs hoses fitted in the upper and lower parts of the bases front and rear.
- the two holding plates of the heating body can have transverse walls having at least a U-shape on their two ends, each of the anchoring means is formed by cutouts in said transverse walls, so that the flexible tabs fit into the cutouts of the plates external conductors.
- each of the means anchoring of the two retaining plates comprises, in the planes of said holding plates, opposite hooks, and each of the tabs flexible receiving means associated with the front and rear bases has a light so that said hooks of said plates support fit into the lights of the flexible tabs.
- the two retaining plates can be square.
- the front and rear bases have in in addition to the first slots intended to receive the ends of one of the two holding plates and second slots intended to accommodate ends of the other of the two holding plates.
- the first slots ensure precise wedging of the plate holding they accommodate, and the second slots include a game sufficient to accommodate said other holding plate thus avoiding any problem related to the geometric dispersion of the heating body.
- the rectangular cases front and rear bases have rails on their lateral sides overflowing from the bases.
- the receiving means may include tabs hoses arranged in said U-shaped rails.
- the two holding plates of the heating body can have transverse walls having at least a U-shape on their two ends.
- the two outer conductive plates are U-shaped over all their lengths.
- each of the anchoring means is formed by an obviously in the plane of each said retaining plates having the U shape on at least their two ends, and flexible tabs are formed on the walls side of the U-shaped rails, so that said flexible tabs fit into the recesses of the retaining plates.
- each of the anchoring means is formed by cutouts in the transverse walls of said plates support having the U shape on at least their two ends, and the flexible tabs are formed in the branches of the U of the rails, of so that the flexible tabs fit into the cutouts of the holding plates.
- each of the U-shaped rails comprises on its side wall a flexible strip ensuring precise setting of the holding plates thus avoiding any problem related to dispersion geometry of the heating body.
- the means for anchoring the two retaining plates have tabs intended to be folded on the associated reception means integrated in the front bases and back.
- Each of the receiving means may include recesses in the upper and lower parts of the front sub-bases and rear, so that said tabs of said retaining plates are bend in the respective recesses.
- the housings rectangular front and rear bases on their sides sides of the U-shaped rails and each of the receiving means has lugs formed on these rails, so that said legs said retaining plates bend on the rails just outside the pins.
- the two retaining plates may have a form of U over all their lengths between the lugs and fit on the rails of the front and rear bases.
- each of the U-shaped rails comprises on its side wall a flexible strip ensuring precise setting of the holding plates thus avoiding any problem related to dispersion geometry of the heating body.
- all the elements of the body heaters are fixed together by gluing, except for the two plates holding.
- all the elements of the body heaters are fixed together by gluing, including the two plates stand.
- the conductive plates have folds at the ends of the heating body so that the connection terminals have a standard pitch.
- the retaining plate (s) may also form one or more conductive plates.
- the front and rear bases can be made of plastic.
- Figure 1 shows schematically a heater according to the invention intended for example for an installation of motor vehicle air conditioning.
- the heating device 1 comprises a heating body 3 comprising a plurality of conductive plates 4 between which are mounted resistive heating elements 7 and radiant elements 9.
- the resistive elements 7 can be resistors to positive temperature coefficient (PTC) that usually occur in the form of blocks or stones. These elements, due to the strong increase in their electrical resistance from a threshold of temperature (Curie point), give the heater the ability to self-regulate as a function of temperature, preventing all potentially dangerous excessive heating.
- PTC positive temperature coefficient
- the radiant elements 9 are corrugated metal strips, for example of steel or aluminum which extend between the plates 4, along them, and increase the exchange surface thermal with an air flow passing through the heater 1 perpendicular to the plane of the heating body 3.
- Figure 1 shows that the resistive elements 7 are arranged in rows, each of which has a plurality of resistive elements 7 spaced from each other along the heating body 3.
- One side of each resistive element 7 is in contact with a conductive plate 4, while the other side of each resistive element 7 is in contact with a radiant element 9.
- the radiant element 9 is disposed along a other conductive plate 4.
- Figure 1 illustrates four plates conductive 4, a retaining plate 5 substantially in the middle of the body heater 3, two rows of resistive element 7, and four rows radiant element 9.
- these numbers can be any, and in particular it is conceivable that the heating body has two holding plates arranged on each of the two sides lateral sides of this body as will be described further on in Figure 3.
- resistive elements 7 For a row of resistive elements 7, one side of these resistive elements 7 can be in direct electrical contact with a plate conductive 4 while the other side of the resistive elements 7 may be in electrical contact with the adjacent conductive plate 4 through the radiant element 9 disposed between the two conductive plates. Through Consequently, the resistive elements 7 arranged in a row can be supplied in parallel between two conductive plates 4 consecutive.
- the heating body can include a whole another configuration known in the prior art.
- the elements resistives can be arranged in bars. Each bar includes a plurality of resistive elements spaced from each other and supplied in parallel between two conductive plates.
- heating body 3 can be held together by gluing or other types assembly.
- the heating body 3 is arranged between a front base 11 and a rear base 13.
- These bases can for example have a shape of suitable rectangular boxes to accommodate the front and rear ends of the heater 3.
- front 11 and rear 13 bases are in electrically insulating material, for example, plastic.
- the retaining plate 5 can form a plate conductive, but it can also be insulating.
- At least part of the conductive plates 4 protrude at the front base 11 to form terminals 15 for connection to a electrical supply circuit not shown.
- the holding plate 5 of the heating body 3 comprises at its ends anchoring means 17 cooperating with associated reception means 19 integrated in the front bases 11 and rear 13. This keeps the heating body 3 fixedly between these front bases 11 and rear 13.
- the anchoring means 17 can cooperate with the means of associated reception 19 by clipping.
- the ends of the retaining plate 5 can have the shape of a harpoon thus allowing anchoring this retaining plate in the front bases 11 and rear 13. Once anchored, the harpoon prohibits any movement.
- all the elements of the heating body 3 can be fixed together, for example by gluing.
- FIGS 2A and 2B illustrate a first embodiment a heating device 1 comprising a heating body 3 comprising a plurality of conductive plates 4 between which are mounted resistive heating elements (not shown) and elements radiators 9 of which only a part is represented.
- the heating body 3 is disposed between a front base 11 and a rear base 13. These front 11 and rear 13 bases have a shape rectangular boxes adapted to receive the front ends and rear of the heating body 3.
- the front base 11 further comprises a housing 21 inside which the terminals 15 of connection (see Figure 1), thus forming a connector allowing connect the heating element 3 to an electrical power circuit powered for example by the vehicle battery.
- the front 11 and rear 13 bases include means for reception 19 intended to cooperate with anchoring means 17 arranged at the ends of a holding plate 5 of the heating body 3.
- These receiving means 19 include tabs flexible 125 fitted in the upper and lower parts of the front 11 and rear 13 bases.
- Each of the bases has at least a flexible tab.
- each has two flexible tabs 125, substantially in the middle of the base.
- the partial section of Figure 2B shows that the plate holding 5 of the heating body 3 has transverse walls 37 their giving a U shape at least at both ends. This example shows that apart from its ends, the retaining plate 5 is shaped square.
- each of the anchoring means 17 is formed by cutouts 39 in said transverse walls 37, so that the flexible tabs 125 clip in or fit into these cutouts 39 of the holding plate 5.
- Figure 3 is a variant of Figure 1 showing schematically a heating device including the heating body 3 comprises two retaining plates 5a and 5b arranged on each of two outer lateral sides of the heating body 3.
- FIG. 3 illustrates three conductive plates 4, two retaining plates 5a and 5b, two rows of resistive element 7, and four rows of radiant element 9 but obviously these numbers can be any.
- the holding plates 5a and 5b can also form conductive plates.
- heating body 3 can be held together by gluing or other types assembly.
- the two holding plates 5a and 5b of the body heater 3 each have means at their two ends anchor 17 cooperating with associated reception means 19 integrated in the front 11 and rear 13 bases. This allows fix the heating body 3 between these front bases 11 and rear 13.
- the anchoring means 17 can cooperate with the means of associated reception 19 by clipping.
- the ends of the two retaining plates Sa and 5b may have the shape of a harpoon thus allowing the anchoring of these external conductive plates in the front 11 and rear 13 bases. Once anchored, the harpoon prohibits all displacement.
- the anchoring means 17 of the two plates of holding 5a and 5b may have tabs intended to be folded on the associated reception means 19 integrated in the front bases 11 and rear 13.
- all the elements of the heating body 3 can be fixed together, for example by gluing, except for the two outer retaining plates 5a and 5b.
- the two plates external support 5a and 5b may not be part of the body heater 3 as such, and their anchors in the front sub-bases 11 and rear 13 is sufficient to hold the heating body 3 fixedly between these front 11 and rear 13 bases.
- all the elements of the body heater 3 are fixed together, for example by gluing, including the two support plates 5a and 5b.
- these two plates of support are an integral part of the heating body 3 and can be arranged inside the heating body.
- FIGS. 4A to 8C illustrate several embodiments a heating device comprising a maintained heating body between front and rear bases by clipping.
- FIGS. 4A to 4E illustrate a first embodiment a heating device 1 comprising a heating body 3 comprising a plurality of conductive plates 5 between which are mounted resistive heating elements (not shown), two plates holding 5a1 and 5b1, and radiant elements 9 of which only one party is represented.
- the heating body 3 is disposed between a front base 11 and a rear base 13. These front 11 and rear 13 bases have a shape rectangular boxes adapted to receive the front ends and rear of the heating body 3.
- the front base 11 further comprises a housing 21 inside which the terminals 15 of connection (see Figure 1), thus forming a connector allowing connect the heating element 3 to an electrical power circuit powered for example by the vehicle battery.
- FIG. 4B illustrates a perspective view of the front base 11 showing openings 23 through which are introduced, at least part of the conductive plates to form the connection terminals.
- the front 11 and rear 13 bases include means for reception 19 intended to cooperate with anchoring means 17 arranged at the ends of the two retaining plates 5a1 and 5b1 of the body heating 3.
- These receiving means 19 include tabs hoses 25 arranged in the upper and lower parts of the front 11 and rear 13 bases.
- Each of the bases has at least a flexible tab.
- each has four flexible tabs 25, for example one in each corner, and each tongue has a light 27.
- FIGS 4D and 4E are perspective views with sections partial illustrations of the assemblies at the front and rear sub-bases of the device of FIG. 4A.
- each of the means anchor 17 of the two retaining plates 5a1 and 5b1 comprises, in the planes of these retaining plates, opposite hooks 29, forming a sort of harpoon thus allowing these hooks 29 to clip or fit into the slots 27 of the flexible tabs 25 in order to fix the heating body 3 between the front bases 11 and rear 13.
- these harpoons have a complementary function limitation of the play between the two bases.
- FIGS. 4B and 4C show that the bases front 11 and rear 13 may advantageously include first slots 31 intended to receive the ends of one of the two plates of holding (for example the plate 5b1) and second slots 33 intended to receive the ends of the other retaining plate 5a1.
- the first 31 and seconds 33 slots thus ensure correct adjustment of the plates holding 5b1 and 5a1 respectively. These slots therefore provide guide so that the harpoons fall into the holes 27.
- first slots 31 ensure precise timing of the retaining plate 5b1 which they accommodate, and the second slots 33 have sufficient play to accommodate said other plate maintenance 5a1 thus avoiding any problem linked to the geometric dispersion, that is to say to manufacturing tolerances, of the glued heating body 3. So, mounting the heating body 3 in the front 11 and rear 13 bases is made with precision and simplicity.
- the pitch between the terminals 15 of connection is standard. Therefore, the conductive plates 4 may have folds 35 at the ends of the heating body 3 in order to respect the standard pitch between the connection terminals.
- these folds 35 have other functions. They allow to hold the radiant elements 9 in the heating body 3, for example during the bonding process. They also have a stop function, perfectly defining the length that separates the two bases (see Figure 5C).
- FIG. 4A shows that the heating body 3 comprises five rows of radiant elements 9 and that these two plates of holding 5a1 and 5b1 are square-shaped.
- Figure 5 is a variant of the illustrated heating device in Figure 4A. According to this variant, the two holding plates 5a2 and 5b2 are U-shaped over all their lengths.
- FIG. 6A is a perspective view of another mode of production. According to this mode, see also FIGS. 6B and 6D, the means of reception are as before, flexible tabs 125 fitted in the upper and lower parts of the front bases 11 and rear 13.
- each of the anchoring means 17 is formed by cutouts 39 in said transverse walls 37, so that the flexible tabs 125 clip or snap into these cutouts 39 of the holding plates 5a3 and 5b3.
- Figure 6A shows that apart from their ends, the plates of holding 5a3 and 5b3 are square. It is also possible that they are U-shaped over all their lengths.
- FIGS. 7A to 8C illustrate other embodiments of a heating device 1.
- the rectangular housings of the front 11 and rear 13 bases have on their lateral sides rails 41 projecting from bases, for example U-shaped.
- the two holding plates 5a4, 5b4, 5a5 and 5b5 of the heating body have walls having a U-shape only on their two ends and at the height of the rails 41 of the front 11 and rear 13 bases.
- FIGS. 7A to 8C show that the means of reception have flexible tabs 225, 325 arranged in the rails 41 of the front 11 and rear 13 bases.
- the tongues hoses 225 are formed on the side walls of the rails 41 of the bases.
- each of the anchoring means 17 is formed by a recess 43 at the end and in the plane of each of the plates maintenance 5a4 and 5b4.
- the flexible tabs 225 clip in or fit into recesses 43 of the holding plates 5a4 and 5b4.
- FIG. 7C shows that the retaining plate 5a4 is a conductive plate with a 135 fold to respect a pitch standard between the 15 connection terminals but also to retain the radiant elements 9.
- the pitch between the conductive plates 4 is identical to that between the terminals 15 of connection, these plates conductive 4 have folds or flaps 35 for wedging the radiant elements 9 which are not shown in FIGS. 7A and 7C to clarify more.
- the flexible tongues 325 are formed in the upper and lower parts of the rails 41 in U shape of the front 11 and rear 13 bases.
- each of the anchoring means is formed by cutouts 45 in the transverse walls of the retaining plates 5a5 and 5b5, so that the flexible tabs 325 clip or snap into place in these cutouts 45 during assembly of the heating body 3 between the front 11 and rear 13 bases.
- each of the U-shaped rails 41 of the front bases 11 and rear 13, may have on its side wall a flexible strip 47 ensuring precise wedging of the retaining plates thus avoiding any problem related to the geometric dispersion of the heating body.
- FIGS. 9A to 10C illustrate other embodiments a heating device 1 in which a heating body 3 is held between front 11 and rear 13 bases by folding part of the two retaining plates 5a6, 5b6, 5a7 and 5b7 on means of reception 19 integrated in the front 11 and rear 13 bases.
- anchoring means 17 of the two plates of holding 5a6, 5b6, 5a7 and 5b7 have tabs 51 intended to be folded on the associated reception means 19 integrated in the bases front 11 and rear 13.
- each of the receiving means 19 has recesses 53 in the parts upper and lower of the front bases 11 and rear 13, so that the tabs 51 at the ends of the retaining plates 5a6 and 5b6 bend in the respective recesses.
- FIGS. 10A to 10C show that the housings rectangular front 11 and rear 13 bases have on their lateral sides of the rails 141, for example U-shaped and each of the receiving means 19 comprises lugs 55 formed on these rails, so that the tabs 51 at the ends of the retaining plates 5a7 and 5b7 bend on the rails 141 just outside the lugs 55.
- the two holding plates 5a7 and 5b7 have a U shape over all their lengths between the lugs 55 and fit onto the rails 141 of the front 11 and rear 13 bases.
- the small tabs 51 at the ends of the retaining plates 5a7 and 5b7 are raised to allow mounting of the bases 11 and 13 in sliding them in the two holding plates 5a7 and 5b7. Then, these small tabs 51 are folded over the rails 141 enclosing thus the lugs 55.
- each of the U-shaped rails 141 can have on its side wall a flexible strip 147 ensuring a precise setting of the holding plates 5a7 and 5b7 thus avoiding any problem linked to the geometric dispersion of the heating element 3.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
- Resistance Heating (AREA)
Abstract
Description
- la figure 1 est une vue schématique d'un dispositif de chauffage électrique selon l'invention ;
- la figure 2A est une vue en perspective d'un premier mode de réalisation selon l'invention;
- la figures 2B est une vue en perspective d'une embase arrière du dispositif de la figure 2A ;
- la figure 3 est une variante de la figure 1 montrant une vue schématique d'un dispositif de chauffage électrique comportant deux plaques de maintien selon l'invention ;
- la figure 4A est une vue en perspective d'un deuxième mode de réalisation selon l'invention ;
- les figures 4B et 4C sont des vues en perspective des embases avant et arrière du dispositif de la figure 4A ;
- les figures 4D et 4E sont des vues en perspective avec coupes partielles illustrant les montages aux niveaux des embases avant et arrière du dispositif de la figure 4A ;
- La figure 5 illustre une variante du dispositif de chauffage de la figure 4A;
- la figure 6A est une vue en perspective d'un troisième mode de réalisation selon l'invention ;
- les figures 6B et 6D sont des vues en perspective des embases avant et arrière du dispositif de la figure 6A ;
- la figure 6C est une vue en perspective avec coupe partielle illustrant le montage au niveau de l'embase avant du dispositif de la figure 6A ;
- la figure 7A est une vue en perspective d'un quatrième mode de réalisation selon l'invention ;
- la figure 7B est une vue en perspective de l'embase avant du dispositif de la figure 7A ;
- la figure 7C est une vue en perspective avec coupe partielle illustrant le montage au niveau de l'embase avant du dispositif de la figure 7A;
- La figure 8A illustre une variante du dispositif de chauffage de la figure 7A ;
- la figure 8B est une vue en perspective de l'embase avant du dispositif de la figure 8A ;
- la figure 8C est une vue en perspective avec coupe partielle illustrant le montage au niveau de l'embase avant du dispositif de la figure 8A ;
- la figure 9A est une vue en perspective d'un cinquième mode de réalisation selon l'invention ;
- les figures 9B et 9C sont des vues en perspective avec coupes partielles illustrant le montage au niveau des embases avant et arrière du dispositif de la figure 9A ;
- La figure 10A illustre une variante du dispositif de chauffage de la figure 9A ; et
- les figures 10B et 10C sont des vues en perspective des embases avant et arrière du dispositif de la figure 10A.
Claims (28)
- Dispositif de chauffage électrique (1) comprenant un corps chauffant (3) comportant une pluralité de plaques conductrices (4) entre lesquelles sont montés des éléments résistifs (7) chauffant et des éléments radiants (9) augmentant la surface d'échange thermique avec un flux d'air traversant le dispositif de chauffage, le corps chauffant (3) étant disposé entre une embase avant (11) et une embase arrière (13), caractérisé en ce qu il comporte en outre au moins une plaque de maintien (5 ; 5a, 5b) du corps chauffant (3) comportant à ses extrémités des moyens d'ancrage (17) coopérant avec des moyens de réception (19) associés intégrés dans les embases avant (11) et arrière (13), afin de maintenir fixement le corps chauffant (3) entre ces embases avant (11) et arrière (13).
- Dispositif selon la revendication 1, caractérisé en ce qu'au moins une partie desdites plaques conductrices (4) fait saillie à l'embase avant (11) pour former des bornes (15) de raccordement à un circuit d'alimentation électrique.
- Dispositif selon l'une quelconque des revendications 1 et 2, caractérisé en ce que les embases avant (11) et arrière (13) ont une forme de boítiers rectangulaires adaptés pour accueillir les extrémités du corps chauffant (3).
- Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le corps chauffant (3) comporte deux plaques de maintien (5a, 5b) disposées sur chacun des deux côtés latéraux extérieurs du corps chauffant (3).
- Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les moyens d'ancrage (17) coopèrent avec les moyens de réception (19) associés par clippage.
- Dispositif selon la revendication 5, caractérisé en ce que les moyens de réception (19) comportent des languettes flexibles (25 ; 125) aménagées dans les parties supérieure et inférieure des embases avant (11) et arrière (13).
- Dispositif selon l'une quelconque des revendications 4 à 6, caractérisé en ce que les deux plaques de maintien (5a3, 5b3) du corps chauffant (3) comportent des parois transversales présentant une forme en U au moins sur leurs deux extrémités, chacun des moyens d'ancrage (17) est formé par des découpes dans lesdites parois transversales, de sorte que les languettes flexibles (125) s'encastrent dans les découpes des plaques conductrices extérieures (5a3, 5b3).
- Dispositif selon l'une quelconque des revendications 4 à 6, caractérisé en ce que chacun des moyens d'ancrage (17) des deux plaques de maintien (5a1, 5b1 ; 5a2, 5b2) comporte, dans les plans desdites plaques de maintien, des crochets (29) opposés, et chacune des languettes flexibles (25) des moyens de réception associés des embases avant et arrière comporte une lumière (27) de sorte que lesdits crochets desdites plaques de maintien s'encastrent dans les lumières (27) des languettes flexibles (25).
- Dispositif selon la revendication 8, caractérisé en ce que les deux plaques de maintien (5a1, 5b1) sont en forme d'équerre.
- Dispositif selon la revendication 8, caractérisé en ce que les embases avant (11) et arrière (13) comportent en outre des premières fentes (31) destinées à accueillir les extrémités d'une des deux plaques de maintien (5a1, 5b1 ; 5a2, 5b2) et des secondes fentes (33) destinées à accueillir les extrémités de l'autre des deux plaques de maintien (5a1, 5b1 ; 5a2, 5b2).
- Dispositif selon la revendication 10, caractérisé en ce qu'en outre les premières fentes (31) assurent un calage précis de la plaque de maintien (5a1, 5b1 ; 5a2, 5b2) qu'elles accueillent, et les secondes fentes (33) comportent un jeu suffisant pour accueillir ladite autre plaque de maintien (5a1, 5b1 ; 5a2, 5b2) évitant ainsi tout problème lié à la dispersion géométrique du corps chauffant.
- Dispositif selon la revendication 5, caractérisé en ce que les boítiers rectangulaires des embases avant (11) et arrière (13) présentent sur leurs côtés latéraux des rails (41) débordant des embases.
- Dispositif selon la revendication 12, caractérisé en ce que les moyens de réception (19) comportent des languettes flexibles (225 ; 325) aménagées dans lesdits rails (41) en forme de U.
- Dispositif selon la revendication 12, caractérisé en ce que les deux plaques de maintien (5a4, 5a4 ; 5a5, 5b5) du corps chauffant (3) comportent des parois transversales présentant une forme en U au moins sur leurs deux extrémités.
- Dispositif selon la revendication 14, caractérisé en ce que les deux plaques conductrices extérieures (5a4, 5a4 ; 5a5, 5b5) sont en forme de U sur toutes leurs longueurs.
- Dispositif selon l'une quelconque des revendications 13 à 15, caractérisé en ce que chacun des moyens d'ancrage (17) est formé par un évidemment (43) dans le plan de chacune desdites plaques de maintien (5a4, 5b4) présentant la forme en U sur au moins leurs deux extrémités, et les languettes flexibles (225) sont formées sur les parois latérales des rails (41) en forme de U, de sorte que lesdites languettes flexibles s'encastrent dans les évidements (43) des plaques de maintien (5a4, 5b4).
- Dispositif selon l'une quelconque des revendications 13 à 15, caractérisé en ce que chacun des moyens d'ancrage (17) est formé par des découpes (45) dans les parois transversales desdites plaques de maintien (5a5, 5b5) présentant la forme en U sur au moins leurs deux extrémités, et les languettes flexibles (325) sont formées dans les branches du U des rails (41), de sorte que les languettes flexibles (325) s'encastrent dans les découpes (45) des plaques de maintien (5a5, 5b5).
- Dispositif selon la revendication 17, caractérisé en ce que chacun des rails (41) en forme de U comporte sur sa paroi latérale une lamelle (47) souple assurant un calage précis des plaques de maintien évitant ainsi tout problème lié à la dispersion géométrique du corps chauffant (3).
- Dispositif selon la revendication 4, caractérisé en ce que les moyens d'ancrage (17) des deux plaques de maintien (5a6, 5b6 ; 5a7, 5b7) comportent des pattes (51) destinées à être pliées sur les moyens de réception (19) associés intégrés dans les embases avant (11) et arrière (13).
- Dispositif selon la revendication 19, caractérisé en ce que chacun des moyens de réception (19) comporte des enfoncements (53) dans les parties supérieure et inférieure des embases avant (11) et arrière (13), de sorte que lesdites pattes desdites plaques de maintien (5a6, 5b6) se plient dans les enfoncements (53) respectifs.
- Dispositif selon la revendication 19, caractérisé en ce que les boítiers rectangulaires des embases avant (11) et arrière (13) présentent sur leurs côtés latéraux des rails (141) en forme de U et chacun des moyens de réception (19) comporte des ergots (55) formés sur ces rails, de sorte que lesdites pattes (51) desdites plaques de maintien (5a7, 5b7) se plient sur les rails (141) juste à l'extérieur des ergots (55).
- Dispositif selon la revendication 21, caractérisé en ce que les deux plaques de maintien (5a7, 5b7) présentent une forme de U sur toutes leurs longueurs entre les ergots (55) et s'adaptent sur les rails (141) des embases avant (11) et arrière (13).
- Dispositif selon la revendication 22, caractérisé en ce que chacun des rails (141) en forme de U comporte sur sa paroi latérale une lamelle (147) souple assurant un calage précis des plaques de maintien (5a7, 5b7) évitant ainsi tout problème lié à la dispersion géométrique du corps chauffant (3).
- Dispositif selon l'une quelconque des revendications 1 à 23, caractérisé en ce que tous les éléments du corps chauffant (3) sont fixés entre eux par collage, à l'exception des deux plaques de maintien (5a, 5b).
- Dispositif selon l'une quelconque des revendications 1 à 23, caractérisé en ce que tous les éléments du corps chauffant (3) sont fixés entre eux par collage, y compris les deux plaques de maintiens (5a, 5b).
- Dispositif selon l'une quelconque des revendications 1 à 25, caractérisé en ce que les plaques conductrices (4) présentent des plis aux extrémités du corps chauffant (3) afin que les bornes (15) de raccordement aient un pas standard.
- Dispositif selon l'une quelconque des revendications 1 à 26, caractérisé en ce que la ou les plaques de maintien (5 ; 5a, 5b) forment aussi une ou des plaques conductrices.
- Dispositif selon l'une quelconque des revendications 1 à 27, caractérisé en ce que les embases avant (11) et arrière (13) sont en matière plastique.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0303658 | 2003-03-25 | ||
FR0303658A FR2853198B1 (fr) | 2003-03-25 | 2003-03-25 | Dispositif de chauffage electrique comprenant un corps chauffant |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1462733A1 true EP1462733A1 (fr) | 2004-09-29 |
EP1462733B1 EP1462733B1 (fr) | 2014-10-22 |
Family
ID=32799742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20040005884 Expired - Lifetime EP1462733B1 (fr) | 2003-03-25 | 2004-03-12 | Dispositif de chauffage électrique comprenant un corps chauffant |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1462733B1 (fr) |
CN (1) | CN1532080A (fr) |
FR (1) | FR2853198B1 (fr) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1731852A1 (fr) * | 2005-06-09 | 2006-12-13 | CEBI S.p.A. | Réchauffeur électrique pour système de ventilation d'automobile |
DE102006053525B3 (de) * | 2006-11-07 | 2008-05-08 | Evo Elektroheizungen Gmbh | Elektroheizkörper und Verfahren zur Herstellung eines Elektroheizkörpers |
EP1967398A1 (fr) | 2007-03-06 | 2008-09-10 | CEBI S.p.A. | Chauffage électrique pour systèmes de ventilation de véhicule |
EP2226586A1 (fr) * | 2009-03-03 | 2010-09-08 | Valeo Systèmes Thermiques | Dispositif de chauffage, notamment pour véhicule automobile |
FR3032390A1 (fr) * | 2015-02-10 | 2016-08-12 | Valeo Systemes Thermiques | Boitier d'un dispositif de chauffage electrique |
WO2018046834A1 (fr) * | 2016-09-09 | 2018-03-15 | Valeo Systemes Thermiques | Dispositif de chauffage électrique |
FR3056454A1 (fr) * | 2016-09-29 | 2018-03-30 | Valeo Systemes Thermiques | Cadre d'un dispositif de chauffage electrique comprenant un moyen de deformation plastique |
FR3056456A1 (fr) * | 2016-09-29 | 2018-03-30 | Valeo Systemes Thermiques | Cadre d'un dispositif de chauffage electrique comprenant un moyen de deformation plastique |
FR3062964A1 (fr) * | 2017-02-14 | 2018-08-17 | Valeo Systemes Thermiques | Interface de connexion electrique d'un dispositif de chauffage electrique pour vehicule automobile |
WO2019158844A1 (fr) * | 2018-02-19 | 2019-08-22 | Valeo Systemes Thermiques | Cadre d'un dispositif de chauffage electrique comprenant un element deformable elastiquement |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2922817B1 (fr) | 2007-10-31 | 2012-12-21 | Valeo Systemes Thermiques | Dispositif de chauffage electrique d'un flux d'air circulant a l'interieur d'une installation de ventilation, de chauffage et/ou de climatisation d'un vehicule automobile |
CN105409653A (zh) * | 2015-11-25 | 2016-03-23 | 浙江哈亿曼电子科技有限公司 | 一种利用太阳能和ptc发热片的温室 |
CN109131398A (zh) * | 2018-09-04 | 2019-01-04 | 佛山铮荣科技有限公司 | 高安全性的轨道车厢电加热器 |
FR3101401B1 (fr) * | 2019-09-26 | 2021-10-01 | Valeo Systemes Thermiques | Bloc de chauffe d’un dispositif chauffant. |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1130337A2 (fr) | 2000-02-17 | 2001-09-05 | ELTEK S.p.A. | Radiateur électrique |
-
2003
- 2003-03-25 FR FR0303658A patent/FR2853198B1/fr not_active Expired - Fee Related
-
2004
- 2004-03-12 EP EP20040005884 patent/EP1462733B1/fr not_active Expired - Lifetime
- 2004-03-25 CN CNA2004100304910A patent/CN1532080A/zh active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1130337A2 (fr) | 2000-02-17 | 2001-09-05 | ELTEK S.p.A. | Radiateur électrique |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1731852A1 (fr) * | 2005-06-09 | 2006-12-13 | CEBI S.p.A. | Réchauffeur électrique pour système de ventilation d'automobile |
DE102006053525B3 (de) * | 2006-11-07 | 2008-05-08 | Evo Elektroheizungen Gmbh | Elektroheizkörper und Verfahren zur Herstellung eines Elektroheizkörpers |
EP1967398A1 (fr) | 2007-03-06 | 2008-09-10 | CEBI S.p.A. | Chauffage électrique pour systèmes de ventilation de véhicule |
EP2226586A1 (fr) * | 2009-03-03 | 2010-09-08 | Valeo Systèmes Thermiques | Dispositif de chauffage, notamment pour véhicule automobile |
FR2942867A1 (fr) * | 2009-03-03 | 2010-09-10 | Valeo Systemes Thermiques | Dispositif de chauffage, notamment pour vehicule automobile |
FR3032390A1 (fr) * | 2015-02-10 | 2016-08-12 | Valeo Systemes Thermiques | Boitier d'un dispositif de chauffage electrique |
WO2016128421A1 (fr) * | 2015-02-10 | 2016-08-18 | Valeo Systemes Thermiques | Boîtier d'un dispositif de chauffage electrique |
WO2018046834A1 (fr) * | 2016-09-09 | 2018-03-15 | Valeo Systemes Thermiques | Dispositif de chauffage électrique |
FR3056067A1 (fr) * | 2016-09-09 | 2018-03-16 | Valeo Systemes Thermiques | Dispositif de chauffage electrique |
FR3056456A1 (fr) * | 2016-09-29 | 2018-03-30 | Valeo Systemes Thermiques | Cadre d'un dispositif de chauffage electrique comprenant un moyen de deformation plastique |
FR3056454A1 (fr) * | 2016-09-29 | 2018-03-30 | Valeo Systemes Thermiques | Cadre d'un dispositif de chauffage electrique comprenant un moyen de deformation plastique |
WO2018060620A1 (fr) * | 2016-09-29 | 2018-04-05 | Valeo Systemes Thermiques | Cadre d'un dispositif de chauffage electrique comprenant un moyen de deformation plastique |
FR3062964A1 (fr) * | 2017-02-14 | 2018-08-17 | Valeo Systemes Thermiques | Interface de connexion electrique d'un dispositif de chauffage electrique pour vehicule automobile |
WO2018150125A1 (fr) * | 2017-02-14 | 2018-08-23 | Valeo Systemes Thermiques | Interface de connexion électrique d'un dispositif de chauffage électrique pour véhicule automobile |
US11512873B2 (en) | 2017-02-14 | 2022-11-29 | Valeo Systemes Thermiques | Electrical connection interface of an electric heating device for a motor vehicle |
WO2019158844A1 (fr) * | 2018-02-19 | 2019-08-22 | Valeo Systemes Thermiques | Cadre d'un dispositif de chauffage electrique comprenant un element deformable elastiquement |
FR3078145A1 (fr) * | 2018-02-19 | 2019-08-23 | Valeo Systemes Thermiques | Cadre d'un dispositif de chauffage electrique comprenant un element deformable elastiquement |
CN111742184A (zh) * | 2018-02-19 | 2020-10-02 | 法雷奥热系统公司 | 包括可弹性变形元件的用于电加热装置的框架 |
US20210116147A1 (en) * | 2018-02-19 | 2021-04-22 | Valeo Systemes Thermiques | Frame for an electric heating device, comprising an elastically deformable element |
CN111742184B (zh) * | 2018-02-19 | 2022-03-22 | 法雷奥热系统公司 | 包括可弹性变形元件的用于电加热装置的框架 |
US12072123B2 (en) * | 2018-02-19 | 2024-08-27 | Valeo Systemes Thermiques | Frame for an electric heating device, comprising an elastically deformable element |
Also Published As
Publication number | Publication date |
---|---|
FR2853198A1 (fr) | 2004-10-01 |
EP1462733B1 (fr) | 2014-10-22 |
CN1532080A (zh) | 2004-09-29 |
FR2853198B1 (fr) | 2006-03-24 |
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