EP3384727B1 - Heating apparatus including electrical energy storage batteries - Google Patents

Heating apparatus including electrical energy storage batteries Download PDF

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Publication number
EP3384727B1
EP3384727B1 EP16806290.9A EP16806290A EP3384727B1 EP 3384727 B1 EP3384727 B1 EP 3384727B1 EP 16806290 A EP16806290 A EP 16806290A EP 3384727 B1 EP3384727 B1 EP 3384727B1
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EP
European Patent Office
Prior art keywords
bank
batteries
plate
appliance
convection
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EP16806290.9A
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German (de)
French (fr)
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EP3384727A1 (en
Inventor
Raphaël MEYER
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Lancey Energy Storage SAS
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Lancey Energy Storage SAS
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    • 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
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/0252—Domestic applications
    • H05B1/0275—Heating of spaces, e.g. rooms, wardrobes
    • H05B1/0277—Electric radiators
    • 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
    • F24H3/002—Air heaters using electric energy supply
    • 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
    • F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
    • F24H7/002—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release using electrical energy supply
    • 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
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
    • F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
    • F24H9/2078—Storage heaters
    • 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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
    • 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
    • F24H2240/00—Fluid heaters having electrical generators
    • F24H2240/01—Batteries, electrical energy storage device
    • 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
    • H05B2203/032—Heaters specially adapted for heating by radiation heating

Definitions

  • the battery bank has a shape such that its height is close to its thickness, this park having the shape of an elongated block; in this case, the heating body is located above this park; when the convection plate (5) is present, it is close to this convection plate.

Description

La présente invention concerne un appareil de chauffage incluant des batteries de stockage de l'énergie électrique.The present invention relates to a heater including batteries for storing electrical energy.

Il est connu d'associer un parc de batteries à un appareil de chauffage, ce parc permettant de stocker de l'énergie électrique utilisée par l'appareil, en vue d'espacer la consommation d'électricité dans le temps. Ce parc de batteries permet par conséquent de jouer sur les périodes de tarification préférentielle de l'électricité : les batteries sont en charge au cours des périodes de temps pendant lesquelles l'électricité est moins chère, typiquement de nuit, et l'électricité que contiennent ces batteries est utilisée pour le fonctionnement de l'appareil pendant les périodes de temps au cours desquelles l'électricité est plus chère, typiquement de jour. Un tel appareil de chauffage comprend notamment un corps de chauffe, destiné à produire la chaleur, et ledit parc de batteries. Ce dernier est situé à distance du corps de chauffe, étant situé au plus près d'un compteur électrique, voire à l'extérieur du local devant être chauffé.It is known to associate a battery bank with a heater, this park for storing the electrical energy used by the device, in order to space electricity consumption over time. This battery of batteries therefore allows to play on periods of preferential electricity tariffs: the batteries are charging during the periods of time during which electricity is cheaper, typically at night, and the electricity contained therein these batteries are used for the operation of the device during the periods of time during which electricity is more expensive, typically by day. Such a heater comprises in particular a heating body, intended to produce heat, and said battery bank. The latter is located at a distance from the heating body, being located closer to an electric meter or even outside the room to be heated.

Un tel appareil présente cependant l'inconvénient de présenter un rendement énergétique faible, résultant d'une déperdition importante d'énergie lors du stockage et du déstockage de cette énergie, pouvant être évaluée à 30 % du contenu des batteries.However, such a device has the disadvantage of having a low energy efficiency, resulting from a significant loss of energy during storage and retrieval of this energy, which can be evaluated at 30% of the battery content.

De plus, l'appareil existant est en général volumineux et relativement complexe à installer, ce qui restreint les possibilités d'usage.In addition, the existing apparatus is generally bulky and relatively complex to install, which limits the possibilities of use.

La présente invention a pour objectif de remédier à ces inconvénients, en proposant un appareil de stockage dont la structure permet de bénéficier d'une rentabilité énergétique maximale.The present invention aims to overcome these disadvantages, by providing a storage device whose structure allows to benefit from maximum energy efficiency.

Les documents FR 2 882 132 A1 , WO 2011/089182 A1 , CN 203771693 U , WO 2012/018318 A1 et DE 19547520 A1 décrivent divers appareils selon la technique antérieure, ne permettant pas d'atteindre ce but.The documents FR 2 882 132 A1 , WO 2011/089182 A1 , CN 203771693 U , WO 2012/018318 A1 and DE 19547520 A1 describe various devices according to the prior art, not possible to achieve this goal.

L'appareil concerné comprend, de manière connue en soi, un corps de chauffe et des batteries de stockage de l'énergie électrique.The apparatus concerned comprises, in a manner known per se, a heating body and batteries for storing electrical energy.

Selon l'invention,

  • les batteries sont regroupées de façon à former un parc de batteries présentant une forme parallélépipédique qui définit des faces antérieure et postérieure de ce parc ;
  • le corps de chauffe forme au moins une face située le long de l'une desdites faces antérieure ou postérieure du parc de batteries, ou au-dessus de ce parc de batteries, à proximité de ce parc de batteries, de telle sorte que de la chaleur produite par le parc de batteries s'ajoute à celle produite par le corps de chauffe pour créer une circulation d'air autour de l'appareil, par convection ; et
  • l'appareil comprend : une première plaque d'isolation thermique placée entre le parc de batteries et le corps de chauffe; au moins une plaque de convection, dont un premier côté est en contact intime avec la face antérieure ou postérieure que forme le parc de batteries, de telle sorte qu'un échange thermique soit possible entre ce parc de batteries et la plaque de convection; et au moins un moyen de fixation à une paroi, situé sur un deuxième côté de la plaque de convection, opposé audit premier côté de cette plaque de convection, ce moyen de fixation permettant de monter l'appareil sur cette paroi de telle sorte que la plaque de convection soit située à distance du sol et à distance de ladite paroi, afin qu'un écoulement d'air soit possible, par convection, au travers de l'espace aménagé en dessous de l'appareil et de l'espace aménagé entre ladite plaque de convection et ladite paroi.
According to the invention,
  • the batteries are grouped together to form a battery of batteries having a parallelepipedal shape which defines the front and rear faces of this park;
  • the heating body forms at least one face located along one of said front or rear faces of the battery bank, or above this battery bank, near this battery bank, so that the heat produced by the battery bank is added to that produced by the heating body to create a circulation of air around the apparatus, by convection; and
  • the apparatus comprises: a first thermal insulation plate placed between the battery bank and the heating body; at least one convection plate, a first side of which is in intimate contact with the front or rear face formed by the battery bank, so that a heat exchange is possible between this battery bank and the convection plate; and at least one wall attachment means, located on a second side of the convection plate, opposite said first side of said convection plate, said fixing means for mounting the apparatus on said wall so that the convection plate is located at a distance from the ground and away from said wall, so that an air flow is possible, by convection, through the space arranged below the apparatus and the space arranged between said convection plate and said wall.

Ainsi, selon l'invention, le parc de batteries n'est pas séparé de l'appareil de chauffage mais est au contraire intimement intégré à la structure de l'appareil de chauffage, de telle sorte qu'il est situé à proximité du corps de chauffe. Par cette expression "à proximité", il faut entendre une distance pouvant être au minimum celle de l'épaisseur de ladite première plaque d'isolation thermique (le corps de chauffe et le parc de batteries étant donc respectivement au contact de deux faces opposées de cette première plaque d'isolation thermique), jusqu'à une distance de l'ordre d'une quinzaine de centimètres au maximum.Thus, according to the invention, the battery bank is not separated from the heater but is instead intimately integrated into the structure of the heater, so that it is located near the body heating. By this expression "close" is meant a distance that can be at least the distance of the thickness of said first thermal insulation plate (the heating body and the battery bank being respectively in contact with two opposite faces of this first thermal insulation plate), up to a distance of the order of fifteen centimeters maximum.

Lorsque l'appareil est en fonctionnement et que les batteries sont en état de rechargement sur le secteur, c'est-à-dire typiquement de jour, l'échauffement de ces batteries dû à la décharge et à la recharge s'ajoute à la chaleur produite par le corps de chauffe, augmentant par conséquent la chaleur émise globalement par l'appareil. De plus, la circulation de l'air par convection autour du parc de batteries permet de dissiper activement l'échauffement que subit ce parc de batteries, et améliore donc le rendement énergétique de l'appareil.When the device is in operation and the batteries are in the state of recharging on the mains, that is to say, typically by day, the heating of these batteries due to the discharge and the recharge is added to the heat produced by the heating body, thereby increasing the heat emitted overall by the device. In addition, convection air circulation around the battery bank actively dissipates the heating of this battery, and thus improves the energy efficiency of the device.

Lorsque les batteries sont en état de rechargement, c'est-à-dire typiquement de nuit, l'échauffement de ces batteries dû à la recharge s'ajoute de la même façon à la chaleur produite par le corps de chauffe, de sorte que l'appareil permet un chauffage dans un certaine mesure et qu'il se produit également une dissipation active de l'échauffement subi par le parc de batteries.When the batteries are in recharging state, that is to say typically at night, the heating of these batteries due to the recharge is added in the same way to the heat produced by the heating body, so that the apparatus allows heating to a certain extent and there is also active dissipation of the heating of the battery bank.

Pour le cas où l'appareil fonctionnerait uniquement sur les batteries, l'échauffement de ces batteries dû à la décharge s'ajoute à la chaleur produite par le corps de chauffe, de la même façon.In the event that the device only works on the batteries, the heating of these batteries due to the discharge adds to the heat produced by the heating body, in the same way.

L'échauffement des batteries dû à la décharge et à la recharge de ces batteries se communique à la plaque de convection, et augmente donc l'effet de convection produit par celle-ci.The heating of the batteries due to the discharge and recharge of these batteries is communicated to the convection plate, and therefore increases the convection effect produced by it.

De préférence, la face du parc de batterie et la face du corps de chauffe situées à proximité l'une de l'autre sont planes, de façon à maximiser les échanges thermiques de ce parc de batterie et de ce corps de chauffe l'un avec l'autre.Preferably, the face of the battery park and the face of the heating body located close to each other are planar, so as to maximize the heat exchange of this battery park and this heating body one with the other.

Selon une possibilité, le parc de batteries présente une forme telle que sa hauteur soit proche de son épaisseur, ce parc ayant ainsi la forme d'un bloc allongé ; dans ce cas, le corps de chauffe est situé au-dessus de ce parc ; lorsque la plaque de convection (5) est présente, il est à proximité de cette plaque de convection.According to one possibility, the battery bank has a shape such that its height is close to its thickness, this park having the shape of an elongated block; in this case, the heating body is located above this park; when the convection plate (5) is present, it is close to this convection plate.

Il sera compris que les termes "hauteur" et "épaisseur" sont à considérer en référence au sol sur lequel l'appareil est posé ou à une paroi sur laquelle l'appareil est destiné à être monté : "hauteur" désigne la dimension de l'appareil selon une direction verticale et "épaisseur" désigne la dimension de l'appareil selon une direction allant de ladite face antérieure à ladite face postérieure. L'expression "à proximité" est à considérer de la même façon qu'indiqué précédemment.It will be understood that the terms "height" and "thickness" are to be considered in reference to the ground on which the apparatus is placed or to a wall on which the apparatus is intended to be mounted: "height" means the dimension of the apparatus in a vertical direction and "thickness" means the dimension of the apparatus in a direction from said anterior face to said posterior face. The expression "near" is to be considered in the same way as indicated above.

Selon une autre possibilité, le parc de batteries présente une forme telle que ses faces antérieure et postérieure soient des faces principales et que ses faces de tranche aient individuellement une surface réduite par rapport à la surface de chaque face principale ; dans ce cas, le corps de chauffe est situé le long de l'une des faces antérieure ou postérieure du parc de batteries tandis que la plaque de convection est située le long de l'autre de ces faces postérieure ou antérieure de ce parc.According to another possibility, the battery bank has a shape such that its anterior and posterior faces are main faces and its wafer faces individually have a reduced surface relative to the surface of each main face; in this case, the heating body is located along one of the front or rear faces of the battery bank while the convection plate is located along the other of these rear or front faces of the park.

La hauteur du parc de batteries peut notamment être au moins cinq fois supérieure à l'épaisseur de ce parc de batteries, le parc ayant ainsi la forme d'une plaque épaisse.The height of the battery bank can be at least five times greater than the thickness of the battery bank, the park thus having the shape of a thick plate.

Dans le cas de cette possibilité dans laquelle les faces antérieure et postérieure sont des faces principales, la plaque de convection s'étend de préférence le long de la face postérieure du parc de batteries, et ladite première plaque d'isolation thermique s'étend le long la face antérieure de ce parc de batteries ; le corps de chauffe s'étend le long de ladite première plaque d'isolation thermique, du côté de cette plaque opposé au parc de batteries.In the case of this possibility in which the anterior and posterior faces are main faces, the convection plate preferably extends along the rear face of the battery bank, and said first heat insulation plate extends along the front side of this battery bank; the heating body extends along said first heat insulating plate, on the side of this plate opposite the battery bank.

Ladite première plaque d'isolation thermique peut s'étendre contre la face antérieure du parc de batteries et le corps de chauffe peut s'étendre contre cette première plaque d'isolation thermique. Alternativement, un espace d'air est aménagé entre le parc de batteries et le corps de chauffe, ladite première plaque d'isolation thermique s'étendant soit contre le parc de batteries soit contre le corps de chauffe, ou encore l'appareil comprend une deuxième plaque d'isolation thermique, l'une des deux plaques d'isolation thermique s'étendant contre le parc de batteries et l'autre de ces deux plaques d'isolation thermique s'étendant contre le corps de chauffe.Said first thermal insulation plate may extend against the front face of the battery bank and the heating body may extend against this first thermal insulation plate. Alternatively, an air space is arranged between the battery bank and the heating body, said first thermal insulation plate extending either against the battery bank or against the heating body, or the apparatus comprises a second thermal insulation plate, one of the two thermal insulation plates extending against the battery bank and the other of these two thermal insulation plates extending against the heating body.

De préférence, l'appareil comprend un élément d'isolation thermique placé entre la plaque de convection et chaque moyen de fixation précité, afin d'éliminer tout pont thermique entre cette plaque de convection et ce moyen de fixation. Lorsque les moyens de fixation sont des vis, ces éléments d'isolation thermique peuvent notamment être des rondelles de matériau isolant interposées entre la plaque de convection et ces vis.Preferably, the apparatus comprises a thermal insulation element placed between the convection plate and each aforementioned fixing means, in order to eliminate any thermal bridge between this convection plate and this fixing means. When the fastening means are screws, these thermal insulation elements may in particular be insulator washers interposed between the convection plate and these screws.

De préférence, une pâte de jonction est mise en place entre la plaque de convection et le parc de batteries, afin de réaliser une liaison pleine, c'est-à-dire dépourvue d'espaces d'air, entre les surfaces de cette plaque de convection et de ce parc de batteries qui sont mutuellement en contact.Preferably, a bonding paste is placed between the convection plate and the battery bank, in order to make a solid connection, that is to say without air gaps, between the surfaces of this plate. convection and battery of batteries that are in contact with each other.

Une telle pâte de jonction permet de favoriser l'échange thermique entre ce parc et cette plaque. Il peut s'agir d'une pâte dite "thermique", notamment constituée d'un polymère (p.ex. silicone) et chargé de particules métalliques (p.ex. d'argent), notamment utilisée dans le domaine de l'électronique de puissance ou de la microélectronique.Such a joining paste makes it possible to promote the heat exchange between this park and this plate. It may be a so-called "thermal" paste, in particular consisting of a polymer (eg silicone) and loaded with metal particles (eg silver), in particular used in the field of power electronics or microelectronics.

Lorsqu'un espace d'air est prévu entre le parc de batteries et le corps de chauffe, et qu'une plaque d'isolation thermique s'étend contre ladite face antérieure que forme le parc de batteries, une pâte de jonction identique peut être mise en place de la même façon entre cette face antérieure et la plaque d'isolation thermique.When an air space is provided between the battery bank and the heating body, and a thermal insulation plate extends against said front face formed by the battery bank, an identical terminal paste can be placing in the same way between this anterior face and the thermal insulation plate.

De préférence, la plaque de convection est perforée et/ou pourvue d'ailettes de façon à être structurée pour faciliter son échange thermique avec l'air, et donc pour favoriser la création de la circulation d'air par convection.Preferably, the convection plate is perforated and / or provided with fins so as to be structured to facilitate its heat exchange with the air, and thus to promote the creation of convective air circulation.

L'invention sera bien comprise, et d'autres caractéristiques et avantages de celle-ci apparaîtront, en référence au dessin schématique annexé, représentant, à titre d'exemples non limitatifs, plusieurs formes de réalisation possibles de l'appareil de chauffage concerné.

  • La figure 1 est une vue de côté de cet appareil selon une première forme de réalisation, alors qu'il est monté sur une paroi ;
  • la figure 2 est une vue de l'appareil similaire à la figure 1, selon une deuxième forme de réalisation ;
  • la figure 3 montre des courbes comparant les performances des appareils selon les figures 1 et 2 avec celles d'un appareil conforme à la technique antérieure ;
  • la figure 4 est une vue en perspective de l'appareil selon une troisième forme de réalisation ; et
  • la figure 5 est une vue de côté de l'appareil selon une quatrième forme de réalisation, monté sur des roulettes.
The invention will be well understood, and other features and advantages thereof will appear, with reference to the attached schematic drawing, representing, as a non-limiting examples, several possible embodiments of the heater concerned.
  • The figure 1 is a side view of this apparatus according to a first embodiment, while it is mounted on a wall;
  • the figure 2 is a view of the device similar to the figure 1 according to a second embodiment;
  • the figure 3 shows curves comparing the performance of the devices according to Figures 1 and 2 with those of a device according to the prior art;
  • the figure 4 is a perspective view of the apparatus according to a third embodiment; and
  • the figure 5 is a side view of the apparatus according to a fourth embodiment, mounted on wheels.

La figure 1 représente un appareil de chauffage 1 monté sur une paroi 100 telle qu'un mur, au-dessus d'un plancher 101.The figure 1 represents a heater 1 mounted on a wall 100 such as a wall, above a floor 101.

L'appareil 1 comprend, de son côté antérieur (c'est-à-dire plus éloigné de la paroi 100) à son côté postérieur (c'est-à-dire plus proche de cette paroi 100), un corps de chauffe 2, une plaque 3 d'isolation thermique, un parc de batteries 4, une plaque de convection 5 et des vis 6 d'ancrage à la paroi 100.The apparatus 1 comprises, on its anterior side (that is to say, more distant from the wall 100) at its rear side (that is to say closer to this wall 100), a heating body 2 , a thermal insulation plate 3, a battery bank 4, a convection plate 5 and screws 6 for anchoring to the wall 100.

Le corps de chauffe 2 présente la forme d'une plaque ; il est constitué par un boîtier ayant des parois planes en un matériau thermiquement conducteur, notamment métallique, et par une résistance logée à l'intérieur de ce boîtier, alimentée par les batteries 7 du parc 4.The heating body 2 has the shape of a plate; it is constituted by a housing having flat walls made of a thermally conductive material, in particular metal, and by a resistor housed inside this housing, powered by the batteries 7 of the park 4.

Bien entendu, devant ce corps de chauffe 2, l'appareil 1 présente une grille ou un garde-corps adapté, non représenté, évitant tout risque de contact direct d'un utilisateur avec ce corps de chauffe.Of course, in front of this heating body 2, the apparatus 1 has a grid or a suitable guardrail, not shown, avoiding any risk of direct contact of a user with this heating body.

La plaque 3 est en un matériau thermiquement isolant, par exemple un matériau expansé courant (organique ou inorganique) ou aérogel thermique. Elle est en contact, par l'ensemble de la surface de ses faces principales, avec une face principale postérieure plane 2p que forme le boîtier du corps de chauffe 2 et avec une face principale antérieure plane 4a que forme le parc de batteries 4.The plate 3 is made of a thermally insulating material, for example a current foamed material (organic or inorganic) or thermal airgel. It is in contact, through the entire surface of its main faces, with a flat rear main surface 2p that forms the housing of the heater body 2 and with a flat front main face 4a formed by the battery bank 4.

Ce dernier présente la forme d'une plaque épaisse, c'est-à-dire a une hauteur au moins cinq fois supérieure à son épaisseur. Il est constitué par un boîtier ayant des parois planes en un matériau thermiquement conducteur, notamment métallique, qui loge une pluralité de batteries 7 d'accumulation d'énergie électrique, telles que des batteries au lithium. Ce boîtier forme une face principale postérieure plane 4p, par laquelle le parc de batteries 4 est en contact intime avec la face antérieure 5a de la plaque de convection 5, par l'ensemble de la surface de cette face postérieure.The latter has the shape of a thick plate, that is to say at a height at least five times greater than its thickness. It consists of a housing having flat walls made of a thermally conductive material, in particular a metal material, which houses a plurality of batteries 7 for storing electrical energy, such as lithium batteries. This housing forms a flat posterior main surface 4p, for which the battery bank 4 is in intimate contact with the front face 5a of the convection plate 5, by the entire surface of this rear face.

La plaque de convection 5 est constituée par une plaque par exemple en aluminium. Elle comprend une pluralité de perforations recevant des bagues 8 en un matériau thermiquement isolant, ces bagues recevant elles-mêmes les vis 6.The convection plate 5 is constituted by a plate for example of aluminum. It comprises a plurality of perforations receiving rings 8 made of a thermally insulating material, these rings receiving themselves the screws 6.

Une pâte de jonction dite "pâte thermique" est appliquée avant assemblage de l'appareil 1 sur l'une et/ou l'autre des faces de la plaque de convection 5 et du parc de batteries 4 destinées à être en contact l'une avec l'autre, afin de réaliser une liaison pleine, c'est-à-dire dépourvue d'espaces d'air, entre ces faces, permettant un bon échange thermique entre le parc 4 et la plaque 5.A junction paste called "thermal paste" is applied before assembly of the apparatus 1 on one and / or the other of the faces of the convection plate 5 and the battery bank 4 intended to be in contact with one another. with the other, in order to achieve a full connection, that is to say without air gaps, between these faces, allowing a good heat exchange between the park 4 and the plate 5.

Les vis 6 sont insérées dans la paroi 100 et permettent un montage de l'appareil 1 sur cette paroi 100 de telle sorte qu'il existe un espace d'air 10 entre l'appareil 1 et le plancher 101 et un espace d'air 11 entre la paroi 100 et la plaque de convection 5.The screws 6 are inserted into the wall 100 and allow the apparatus 1 to be mounted on this wall 100 so that there is an air space 10 between the apparatus 1 and the floor 101 and an air space 11 between the wall 100 and the convection plate 5.

À titre d'exemple, la hauteur de l'appareil 1 peut aller de 10 à 100 cm ; l'épaisseur du parc de batteries 4 peut aller de 1 à 20 cm et les espaces 10, 11 peuvent aller chacun de 3 à 10 cm.For example, the height of the apparatus 1 can range from 10 to 100 cm; the thickness of the battery bank 4 can range from 1 to 20 cm and the spaces 10, 11 can each go from 3 to 10 cm.

Ainsi, le parc de batteries 4 est intimement intégré à la structure de l'appareil 1, en étant en contact avec la plaque de convection 5 et en étant situé à proximité du corps de chauffe 2.Thus, the battery bank 4 is intimately integrated with the structure of the apparatus 1, being in contact with the convection plate 5 and being located near the heating body 2.

Lorsque l'appareil 1 est en fonctionnement et que les batteries 7 sont en état de rechargement sur le secteur, c'est-à-dire typiquement de jour, l'échauffement de ces batteries 7 dû à la décharge et à la recharge se communique à la plaque de convection 5, et augmente donc l'effet de convection produit par celle-ci. Du fait de la proximité entre le parc de batteries 4 et le corps de chauffe 2, ce même échauffement s'ajoute à la chaleur produite par le corps de chauffe 2, augmentant par conséquent la chaleur émise globalement par l'appareil 1. La circulation de l'air par convection autour du parc de batteries 4 permet en outre de dissiper activement l'échauffement que subit ce parc de batteries, et améliore donc le rendement énergétique de l'appareil 1.When the device 1 is in operation and the batteries 7 are in the state of recharging on the sector, that is to say, typically by day, the heating of these batteries 7 due to the discharge and the recharge is communicated to the convection plate 5, and thus increases the convection effect produced by it. Due to the proximity between the battery bank 4 and the heating body 2, this same heating is added to the heat produced by the heating body 2, thereby increasing the heat emitted overall by the apparatus 1. The circulation convection air around the battery bank 4 also allows actively dissipate the heating that undergoes this battery of batteries, and thus improves the energy efficiency of the device 1.

Lorsque les batteries 7 sont en état de rechargement, c'est-à-dire typiquement de nuit, l'échauffement de ces batteries dû à la recharge se transmet de la même façon à la plaque de convection 5 et s'ajoute de la même façon à la chaleur produite par le corps de chauffe 2, de sorte que l'appareil 1 permet un chauffage dans un certaine mesure et qu'il se produit également une dissipation active de l'échauffement subi par le parc de batteries 4.When the batteries 7 are in recharging state, that is to say typically at night, the heating of these batteries due to the recharge is transmitted in the same way to the convection plate 5 and adds the same the heat produced by the heating body 2, so that the apparatus 1 allows heating to a certain extent and that there is also active dissipation of the heating undergone by the battery bank 4.

Pour le cas où l'appareil 1 fonctionnerait uniquement sur les batteries 7, l'échauffement de ces batteries dû à la décharge se communiquerait à la plaque de convection 5 et s'ajouterait à la chaleur produite par le corps de chauffe 2, de la même façon.In the case where the apparatus 1 would only work on the batteries 7, the heating of these batteries due to the discharge would be communicated to the convection plate 5 and would be added to the heat produced by the heating body 2, the same way.

Dans la deuxième forme de réalisation de l'appareil 1 représenté sur la figure 2, le corps de chauffe 2, la plaque 3 d'isolation thermique, le parc de batteries 4, la plaque de convection 5 et les vis 6 se retrouvent de façon identique ou très similaire à ce qui vient d'être décrit. Par simplification, les éléments déjà décrits qui se retrouvent dans cette deuxième forme de réalisation, et dans les autres formes de réalisation décrites plus loin, seront désignés par les mêmes références numériques.In the second embodiment of the apparatus 1 shown in FIG. figure 2 , the heating body 2, the thermal insulation plate 3, the battery bank 4, the convection plate 5 and the screws 6 are found identically or very similar to what has just been described. For simplicity, the elements already described which are found in this second embodiment, and in the other embodiments described below, will be designated by the same reference numerals.

Dans le cas de cette deuxième forme de réalisation, un espace d'air 15 est aménagé entre le parc de batteries 4 et le corps de chauffe 2, et l'appareil 1 comprend une deuxième plaque d'isolation thermique 16, qui s'étend contre la face antérieure 4a du parc de batteries 4, la plaque 3 s'étendant contre le corps de chauffe 2 de la même façon que précédemment.In the case of this second embodiment, an air space 15 is arranged between the battery bank 4 and the heating body 2, and the apparatus 1 comprises a second thermal insulation plate 16, which extends against the front face 4a of the battery bank 4, the plate 3 extending against the heating body 2 in the same manner as before.

Le montage du corps de chauffe 2 et de la plaque 3 sur le boîtier du parc de batteries 4 est réalisé au moyen de vis 17, de façon identique ou similaire au montage réalisé par les vis 6.The mounting of the heating body 2 and the plate 3 on the battery bank 4 is made by means of screws 17, identical or similar to the mounting made by the screws 6.

L'espace d'air 15 peut avoir une épaisseur allant de 3 à 10 cm entre les faces des plaques 3 et 16 qui sont en regard l'une de l'autre.The air space 15 may have a thickness ranging from 3 to 10 cm between the faces of the plates 3 and 16 which are opposite one another.

Dans l'appareil 1 selon cette deuxième forme de réalisation, une double circulation d'air par convection est réalisée au travers des espaces 10, 11 et 10, 15, de part et d'autre du parc de batterie 4, maximisant ainsi l'effet d'augmentation de la convection et de l'échauffement de l'air produit par l'appareil, et dissipant d'autant plus l'échauffement du parc de batteries 4, donc améliorant encore le rendement énergétique de l'appareil 1.In the apparatus 1 according to this second embodiment, a dual air circulation by convection is achieved through the spaces 10, 11 and 10, 15, on either side of the battery park 4, thus maximizing the effect of increasing the convection and heating of the air produced by the device, and dissipating all the more the heating of the battery bank 4, thus further improving the energy efficiency of the device 1.

La figure 3 est un repère comprenant en abscisse les puissances dégagées par le parc de batteries 4 et en ordonnée le rendement énergétique de l'appareil de chauffage 1. Sur ce repère sont portées une courbe 20 relative à un appareil selon l'art antérieur, dans lequel le parc de batteries est séparé du corps de chauffe et dans lequel il n'existe pas de plaque de convection, et une courbe 30 relative à l'appareil 1 selon l'une ou l'autre des deux formes de réalisation décrites plus haut.The figure 3 is a reference comprising on the abscissa the powers generated by the battery bank 4 and on the ordinate the energy efficiency of the heating apparatus 1. On this reference mark is a curve relating to a device according to the prior art, in which the battery bank is separated from the heating body and in which there is no convection plate, and a curve 30 relative to the apparatus 1 according to one or other of the two embodiments described above.

Il apparaît que le rendement énergétique de l'appareil connu plafonne à environ 75% tandis que celui de l'appareil 1 selon la présente demande de brevet dépasse 95%.It appears that the energy efficiency of the known apparatus peaks at about 75% while that of the apparatus 1 according to the present patent application exceeds 95%.

Dans le cas de l'appareil 1 selon la troisième forme de réalisation, visible sur la figure 4, le parc de batteries 4 a une hauteur proche de son épaisseur, de sorte qu'il présente une forme en bloc allongé. Dans ce cas, le corps de chauffe 2 est situé au-dessus de ce parc 4 et à proximité de la plaque de convection 5, et la plaque d'isolation thermique 3 est placée sur la face supérieure du corps de chauffe 2.In the case of the apparatus 1 according to the third embodiment, visible on the figure 4 , battery bank 4 has a height close to its thickness, so that it has an elongated block shape. In this case, the heating body 2 is located above this park 4 and close to the convection plate 5, and the thermal insulation plate 3 is placed on the upper face of the heating body 2.

Sur cette figure 4, sont en outre représentées des flèches épaisses qui représentent la circulation de l'air autour de l'appareil 1.On this figure 4 , are also represented thick arrows which represent the flow of air around the device 1.

L'appareil selon la quatrième forme de réalisation représentée sur la figure 5 est similaire à celui représenté sur la figure 1, sinon qu'il est monté sur des roulettes 20.The apparatus according to the fourth embodiment shown on the figure 5 is similar to the one shown on the figure 1 , except that it is mounted on wheels 20.

Ainsi que cela apparaît de ce qui précède, l'appareil de chauffage 1 selon la présente invention remédie aux inconvénients des appareils homologues existants, en fournissant un appareil dont la structure permet de bénéficier d'une rentabilité énergétique maximale.As is apparent from the foregoing, the heater 1 according to the present invention overcomes the disadvantages of existing counterparts by providing an apparatus whose structure allows for maximum energy efficiency.

L'invention a été décrite plus haut en référence à des formes de réalisation fournies à titre d'exemples ; il va de soi qu'elle n'est pas limitée à ces formes de réalisation.The invention has been described above with reference to exemplary embodiments; it goes without saying that it is not limited to these embodiments.

Claims (11)

  1. A heating appliance (1) comprising a heater body (2) and electrical energy storage batteries (7), wherein:
    the heater body (2) forms at least one face located along one of said anterior (4a) or posterior (4p) faces of the batteries bank (4), or above this batteries bank, proximate to this batteries bank, such that heat produced by the batteries bank (4) is added to that produced by the heater body (2) to create a circulation of air around the appliance, by convection;
    characterized in that the batteries (7) are grouped together to form a batteries bank (4) having a parallelepipedal shape which defines anterior (4a) and posterior (4p) faces of this bank; and in that
    the appliance (1) comprises:
    - a first heat-insulating plate (3) placed between the batteries bank (4) and the heater body (2);
    - at least one convection plate (5), whose first side (5a) is in intimate contact with the anterior or posterior (4p) face formed by the batteries bank (4), so that a heat exchange is possible between this batteries bank (4) and the convection plate (5); and
    - at least one means (6) for fastening to a wall (100), located on a second side of the convection plate (5), opposite to said first side (5a) of said convection plate, this fastening means (6) allowing mounting the appliance (1) on this wall (100) such that the convection plate (5) is located away from the ground (101) and away from said wall (100), in order that an air flow is possible, by convection, through the space (10) arranged below the appliance (1) and the space (11) arranged between said convection plate (5) and said wall (100).
  2. The appliance (1) according to claim 1, characterized in that the face (4a) of the batteries bank (4) and the face (2p) of the heater body (2) located proximate to each other are planar.
  3. The appliance (1) according to any of claims 1 or 2, characterized in that:
    - the batteries bank (4) has a shape such that the height of the bank is close to the thickness of the bank, the bank (4) thus having the shape of an elongated block; and in that
    - the heater body (2) is located above this bank, and, when the convection plate (5) is present, proximate to this convection plate.
  4. The appliance (1) according to any one of claims 1 to 3, characterized in that:
    - the batteries bank (4) has a shape such that its anterior (4a) and posterior (4p) faces constitute the main faces and that its wafer faces individually have a reduced surface compared to the surface of each main face; and in that
    - the heater body (2) is located along one amongst the anterior (4a) or posterior (4p) faces of the batteries bank (4) whereas the convection plate (5) is located along the other of these posterior (4p) or anterior (4a) faces of this bank.
  5. The appliance (1) according to claim 4, characterized in that:
    - the convection plate (5) extends along the posterior face (4p) of the batteries bank, and said first heat-insulating plate (3) extends along the anterior face (4a) of this batteries bank (4);
    - the heater body (2) extends along said first heat-insulating plate (3), on the side of this plate opposite to the batteries bank (4).
  6. The appliance (1) according to claim 5, characterized in that said first heat-insulating plate (3) extends against said anterior face (4a) of the batteries bank (4) and in that the heater body (2) extends against this first heat-insulating plate (3).
  7. The appliance (1) according to claim 5, characterized in that an air gap (15) is arranged between the batteries bank (4) and the heater body (2), and in that said first heat-insulating plate (3) extends either against the batteries bank (4) or against the heater body (2).
  8. The appliance (1) according to claim 5, characterized in that an air gap (15) is arranged between the batteries bank (4) and the heater body (2), and in that the appliance (1) comprises a second heat-insulating plate (16), one of the two heat-insulating plate (16) extending against the batteries bank (4) and the other of these two heat-insulating plates (3) extending against the heater body (2).
  9. The appliance (1) according to any of claims 1 to 8, characterized in that it comprises a heat-insulating element (8) placed between the convection plate (5) and each fastening means (6).
  10. The appliance (1) according to any of claims 1 to 9, characterized in that a junction paste is placed between the convection plate (5) and the batteries bank (4), in order to achieve a solid connection, that is to say without air gaps, between the surfaces of this convection plate (5) and of this batteries bank (4) which are in contact with one another.
  11. The appliance (1) according to any of claims 1 to 9, characterized in that the convection plate (5) is perforated and/or provided with fins.
EP16806290.9A 2015-11-30 2016-11-28 Heating apparatus including electrical energy storage batteries Active EP3384727B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1561615A FR3044512B1 (en) 2015-11-30 2015-11-30 HEATING APPARATUS INCLUDING STORAGE BATTERIES OF ELECTRICAL ENERGY
PCT/IB2016/057160 WO2017093878A1 (en) 2015-11-30 2016-11-28 Heating apparatus including electrical energy storage batteries

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EP3384727A1 EP3384727A1 (en) 2018-10-10
EP3384727B1 true EP3384727B1 (en) 2019-08-14

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EP (1) EP3384727B1 (en)
JP (1) JP6435441B1 (en)
KR (1) KR101943532B1 (en)
CN (1) CN108293277B (en)
AU (1) AU2016364376B2 (en)
CA (1) CA3006169C (en)
ES (1) ES2755841T3 (en)
FR (1) FR3044512B1 (en)
PT (1) PT3384727T (en)
WO (1) WO2017093878A1 (en)

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CA3006169A1 (en) 2017-06-08
CN108293277A (en) 2018-07-17
PT3384727T (en) 2019-11-20
CN108293277B (en) 2021-04-16
FR3044512A1 (en) 2017-06-02
AU2016364376B2 (en) 2018-08-16
KR101943532B1 (en) 2019-04-17
FR3044512B1 (en) 2018-01-05
JP6435441B1 (en) 2018-12-05
US20180359813A1 (en) 2018-12-13
CA3006169C (en) 2019-09-17
AU2016364376A1 (en) 2018-07-05
JP2019504285A (en) 2019-02-14
ES2755841T3 (en) 2020-04-23
KR20180080352A (en) 2018-07-11
US10219321B2 (en) 2019-02-26
WO2017093878A1 (en) 2017-06-08
EP3384727A1 (en) 2018-10-10

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