EP1228333B1 - Modular mixed gas wall boiler - Google Patents

Modular mixed gas wall boiler Download PDF

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Publication number
EP1228333B1
EP1228333B1 EP00977643A EP00977643A EP1228333B1 EP 1228333 B1 EP1228333 B1 EP 1228333B1 EP 00977643 A EP00977643 A EP 00977643A EP 00977643 A EP00977643 A EP 00977643A EP 1228333 B1 EP1228333 B1 EP 1228333B1
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EP
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Prior art keywords
generator
hot water
primary
exchanger
tertiary
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EP00977643A
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German (de)
French (fr)
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EP1228333A1 (en
Inventor
Mohammed Benabdelkarim
Alain Breton
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Saunier Duval Eau Chaude Chauffage SDECC SA
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Saunier Duval Eau Chaude Chauffage SDECC SA
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/08Hot-water central heating systems in combination with systems for domestic hot-water supply

Definitions

  • the invention relates to mixed wall boilers gas, i.e. to boilers able to supply a circuit primary heating, but also a secondary water generator domestic hot water and more specifically concerns a boiler whose the primary and secondary generators are separate or separable.
  • a wall-mounted mixed gas boiler is built as know of a primary heat generator for heating comprising essentially a gas burner and its associated mechanisms gas inlet, a combustion chamber closed by an exchanger primary, a combustion product evacuation system, and a water circulation pump.
  • the evacuation system is a box draft hood in the case of an atmospheric boiler or a smoke extractor in the case of a sealed boiler.
  • the mixed boiler also includes a generator secondary for domestic hot water production, consisting of secondary exchanger, for example a plate exchanger.
  • a generator secondary for domestic hot water production consisting of secondary exchanger, for example a plate exchanger.
  • a circuit for this secondary generator is provided with a three-way valve, a sanitary water flow rate sensor, possibly a tank for micro-accumulation of domestic hot water and sensors temperature and flow rates.
  • the device if it is to be installed in a kitchen, it can sometimes be too bulky to integrate in or next to one of the closets.
  • we prefer to move the boiler away from the rooms inhabited if only to avoid on the one hand nuisance due to noise, especially when switching on the burner and the operation of the circulation pump and on the other hand all the risks linked to the circulation of gas and combustion products in a closed enclosure what some people consider it potentially dangerous and seek to avoid.
  • a boiler installed for example in a garage or a laundry room often located far from water supply points (kitchen, bathroom baths ...), which generates a waiting time to obtain hot water, and water and energy consumption increased.
  • the invention therefore makes it possible to overcome the domestic hot water circulation loops which are expensive to install and are sources of losses in electrical and thermal energy, and while providing the same service than conventional wall-hung boilers, without time waiting at the various draw-off points.
  • the invention is based on the principle of possible and modular separation of primary generators and secondary according to the technique called "split system". This technique basically involves doing at least two units for each of these two generators, these units being juxtaposed, separable and / or separated.
  • FIG. 1 shows a mixed boiler called "simple split" consisting of a first module primary heat generator as a whole designated by reference 1 and a second secondary generator module domestic hot water designated as a whole by the reference 2.
  • the execution mode does not fall within the scope of the protection covered by the independent claim.
  • the primary generator 1 essentially comprises a gas burner 10 and its gas intake mechanism 11, a combustion chamber 12 closed by a primary exchanger 13, and a hood 14 for evacuating combustion products.
  • a pump circulation 16 in which circulates the water admitted to the exchanger is interposed a pump circulation 16 and on the hot water outlet side by the conduit 18 in the direction of the arrow is placed a sensor temperature 17, the conduits (15, 18) forming the circuit heating of the primary generator.
  • an exchanger secondary 20 is installed on a short circuit 21 connected on one side to the hot water return circuit 15 and on the other side to the hot water outlet pipe 18 by through a three-way valve 22 which distributes hot water also to the starting circuit 27 heater.
  • domestic cold water is admitted to the exchanger 20 by a conduit 23 equipped with a flow sensor 24 and domestic hot water leaves the exchanger to the point of drawing from a conduit 25 fitted with a temperature sensor 26.
  • valve three-way 22 directs hot water to circuit 27. A stopping the heating request, it is repositioned on the short circuit in sanitary priority.
  • the ignition of the burner 10 intervenes to heat the water by the exchanger 13 and its rapid circulation in the circuit short 21 for domestic water heating in the secondary exchanger 20.
  • the temperature regulation is done through sensor 26.
  • the wall-mounted boiler thus consists of primary 1 and secondary 2 generators which are separable and can be installed in two places or premises geographically different from housing. So like illustrated in Figure 2, which does not fall under protection from claim 1, the generator can be integrated primary 1 in the tall units 19 of a kitchen unit standard. On the other hand, the secondary generator 2 is placed in lower part, for example under the kitchen sink 28, so as not to disturb the aesthetics of the integrated kitchen.
  • the only precaution for the primary generator is add an antifreeze product to the heating circuit.
  • Another alternative embodiment consists in use several secondary production generators domestic hot water, associated with a primary generator unique.
  • FIG. 4 schematically illustrates the assembly a boiler of this type called "multi-split".
  • Another tertiary generator designated as a whole by the reference 3 is independent of generator 2. It includes a tertiary sanitary exchanger 30 installed on a circuit short 31 connected on one side to the water return circuit primary generator 1 hot 15, and on the other hand to short circuit 21 of the secondary generator 2 by through another three-way valve 32 which is found on short circuit 21, in series with valve 22.
  • the three-way valve 32 is therefore between the latter and the secondary exchanger 20. It is designed to be able to occupy an intermediate position which allows feeding to both the short circuit 31 and the exchanger 20.
  • a stepping motor 41 is provided for the operation of the three-way valve 32.
  • domestic cold water is admitted to the exchanger 30 by a conduit 33 fitted with a flow sensor 34 and domestic hot water leaves the exchanger by a conduit 35 to a reservoir 37 with micro-accumulation equipped with a temperature sensor 36.
  • the tank 37 is maintained at temperature by a resistance electric 38 to compensate for heat losses, in connection with a bimetallic switch 39.
  • the three-way valve 22 opens towards the short circuit 21, on the other hand the three-way valve 32 is closes towards secondary exchanger 20 but opens towards short circuit 31 so that the heating water emitted by the exchanger 13 directly heats the generator tertiary 3.
  • the temperature regulation is done by via the sensor 17 placed on the primary circuit.
  • Hot water production by the sanitary exchanger tertiary 3 is done at a fixed temperature setpoint, by example 55 ° C.
  • a thermostatic valve 40 in outlet from tank 37 mixes the hot water produced at 55 ° C, with cold tap water.
  • the tank 37 to microaccumulation placed in series between the outlet of the exchanger 30 and the entry of hot water into the valve thermostatic 40 provides immediate water supply hot at the draw-off point and thus compensate for the time of temperature rise of the primary exchanger and the tertiary exchanger located at a certain distance one of the other.
  • the bimetal switch 39 linked to the tank 37 and adjusted for example at 55 ° C cuts the power supply when the temperature detected by the sensor 17 reaches 55 ° C, and restores it when it drops to 50 ° C for example.
  • this tertiary generator 3 operates without electrical connection with the primary generator 1, which avoids the tedious installation of a power line between these two modules located at a certain distance one the other.
  • valve 22 is open towards short circuit 21.
  • three-way valve 32 will go to the middle position to which the heating water is distributed to both short circuit 31 of the tertiary exchanger 30 and towards the secondary exchanger 20.
  • a stepping motor 41 for the operation of this three-way valve 32 allows a fine adjustment of the water flow in the two exchangers sanitary facilities to adjust the temperatures to the instructions appropriate, according to sensors 17 and 26.
  • FIG. 5 is an illustration of a "multi-split" installation with two generators health.
  • the primary generator 1 is located in a garage and the secondary generator 2 under the kitchen sink 28, to also serve a shower 29.
  • FIG. 6 A final example of application of the system "multi-split" is illustrated in Figure 6. It shows the installation of several primary generators 1 in one collective building. The generators are in a sheath technical on the landings of the building, near each dwelling equipped with at least one secondary generator 2 installed under the same conditions as before. A such installation authorizes the intervention of services after-sales without the need for an appointment with the occupant of the housing since maintenance of the device does not take place basically only on the burner and the combustion block of the primary generator located in the technical sheath. We thus achieves substantial cost savings boiler maintenance.

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Gas Burners (AREA)
  • Details Of Fluid Heaters (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Fuel Cell (AREA)

Abstract

The invention concerns a boiler whereof the primary generator, with the primary exchanger (13), the gas burner (10) and its gas intake mechanism (11), with the combustion chamber and its primary exchanger (13), as well as with the system (14) evacuating the combustion products and the water circulating pump (16), forms a first module (1) which is separable and/or separate from a second module (2) for producing sanitary hot water essentially comprising a secondary exchanger (20), and optionally a third module (3) for producing sanitary hot water essentially comprising a tertiary exchanger (30), the secondary and tertiary exchangers being connected by short circuits (21, 31) to the heating circuit (15, 18). The invention is applicable to modular mixed boilers.

Description

L'invention se rapporte aux chaudières murales mixtes à gaz, c'est-à-dire aux chaudières aptes à alimenter un circuit primaire de chauffage, mais aussi un générateur secondaire d'eau chaude sanitaire et elle concerne plus précisément une chaudière dont les générateurs primaires et secondaires sont séparés ou séparables.The invention relates to mixed wall boilers gas, i.e. to boilers able to supply a circuit primary heating, but also a secondary water generator domestic hot water and more specifically concerns a boiler whose the primary and secondary generators are separate or separable.

Une chaudière murale mixte à gaz est constituée comme on sait, d'un générateur de chaleur primaire pour le chauffage comportant essentiellement un brûleur à gaz et ses mécanismes associés d'admission gaz, une chambre de combustion fermée par un échangeur primaire, un système d'évacuation des produits de combustion, et une pompe de circulation d'eau. Le système d'évacuation est un boítier coupe-tirage dans le cas d'une chaudière atmosphérique ou un extracteur de fumée dans le cas d'une chaudière étanche.A wall-mounted mixed gas boiler is built as know of a primary heat generator for heating comprising essentially a gas burner and its associated mechanisms gas inlet, a combustion chamber closed by an exchanger primary, a combustion product evacuation system, and a water circulation pump. The evacuation system is a box draft hood in the case of an atmospheric boiler or a smoke extractor in the case of a sealed boiler.

La chaudière mixte comporte également un générateur secondaire pour la production d'eau chaude sanitaire, constitué d'un échangeur secondaire, par exemple un échangeur à plaques. Dans le circuit de ce générateur secondaire sont prévus une vanne trois voies, un capteur de débit de puisage sanitaire, éventuellement un réservoir pour la micro-accumulation d'eau chaude sanitaire et des capteurs appropriés de température et de débit.The mixed boiler also includes a generator secondary for domestic hot water production, consisting of secondary exchanger, for example a plate exchanger. In the a circuit for this secondary generator is provided with a three-way valve, a sanitary water flow rate sensor, possibly a tank for micro-accumulation of domestic hot water and sensors temperature and flow rates.

Tous ces constituants sont réunis dans un même appareil, aussi compact et léger que possible pour pouvoir être fixé au mur et intégré dans un local, généralement une cuisine ou un garage. Le fait de disposer d'un appareil unique pour assurer l'ensemble de ces fonctions, peut présenter dans certaines installations, quelques inconvénients.All of these components are brought together in one device, as compact and light as possible so that it can be fixed to the wall and built into a room, usually a kitchen or garage. The fact to have a single device to ensure all of these functions, may present in some installations, some disadvantages.

Ainsi, si l'appareil doit être installé dans une cuisine, il peut être parfois trop encombrant pour s'intégrer dans ou à côté d'un des placards. Dans la mesure du possible on préfère donc éloigner la chaudière des pièces habitées, ne serait-ce que pour éviter d'une part les nuisances dues au bruit notamment lors de l'allumage du brûleur et du fonctionnement de la pompe de circulation et d'autre part tous les risques liés à la circulation de gaz et de produits de combustion dans une enceinte fermée ce que certaines personnes considèrent comme potentiellement dangereux et cherchent à éviter. Mais une chaudière installée par exemple dans un garage ou une buanderie se trouve souvent loin des points de puisage (cuisine, salle de bains...), ce qui génère un temps d'attente pour obtenir de l'eau chaude, et une consommation d'eau et d'énergie accrues.Thus, if the device is to be installed in a kitchen, it can sometimes be too bulky to integrate in or next to one of the closets. To the extent of possible so we prefer to move the boiler away from the rooms inhabited, if only to avoid on the one hand nuisance due to noise, especially when switching on the burner and the operation of the circulation pump and on the other hand all the risks linked to the circulation of gas and combustion products in a closed enclosure what some people consider it potentially dangerous and seek to avoid. But a boiler installed for example in a garage or a laundry room often located far from water supply points (kitchen, bathroom baths ...), which generates a waiting time to obtain hot water, and water and energy consumption increased.

L'invention permet donc de s'affranchir des boucles de circulation d'eau chaude sanitaire qui sont onéreuses à installer et sont des sources de pertes en énergie électrique et thermique, et tout en offrant le même service que les chaudières murales classiques, sans temps d'attente aux divers points de puisage.The invention therefore makes it possible to overcome the domestic hot water circulation loops which are expensive to install and are sources of losses in electrical and thermal energy, and while providing the same service than conventional wall-hung boilers, without time waiting at the various draw-off points.

L'invention repose sur le principe de la séparation possible et modulable des générateurs primaires et secondaires selon la technique dite "split system". Cette technique consiste essentiellement à réaliser au moins deux unités pour chacun de ces deux générateurs, ces unités étant juxtaposées, séparables et/ou séparées.The invention is based on the principle of possible and modular separation of primary generators and secondary according to the technique called "split system". This technique basically involves doing at least two units for each of these two generators, these units being juxtaposed, separable and / or separated.

On connaít par le EP 0 408 788 une installation comportant une chaudière dans laquelle au moins un générateur secondaire pour la production d'eau sanitaire forme un module séparé du générateur primaire et installé dans un lieu géographiquement différent.We know from EP 0 408 788 an installation comprising a boiler in which at least one secondary generator for the production of sanitary water forms a separate module from the primary generator and installed in a geographically different place.

Un objet principal de la présente invention consiste donc en une installation de chauffage comprenant :

  • une chaudière murale mixte à gaz munie d'un générateur de chaleur primaire pour le chauffage, avec un brûleur à gaz, une chambre de combustion fermée par un échangeur primaire, un système d'évacuation des produits de combustion et une pompe de circulation d'eau dans le circuit de chauffage de l'appareil,
  • au moins un générateur secondaire pour la production d'eau chaude sanitaire, constitué d'un échangeur secondaire avec une vanne trois voies prévue dans le circuit dudit générateur,
  • le générateur primaire, avec l'échangeur primaire, le brûleur à gaz et ses mécanismes associés, ainsi que la pompe de circulation, formant un premier module qui est séparé d'autres modules installés dans des lieux géographiquement différents et renfermant chacun un générateur secondaire pour 1a production d'eau chaude sanitaire, et qui sont reliés au circuit de chauffage du générateur primaire,
  • installation selon laquelle un générateur tertiaire avec un échangeur tertiaire est installé sur un circuit court raccordé d'un côté au circuit de retour d'eau chaude du générateur primaire et d'un autre côté au circuit court d'un générateur secondaire par l'intermédiaire d'une vanne trois voies, en série avec la vanne trois voies, de distribution d'eau chaude dans 1e générateur secondaire.
A main object of the present invention therefore consists of a heating installation comprising:
  • a wall-mounted mixed gas boiler fitted with a primary heat generator for heating, with a gas burner, a combustion chamber closed by a primary exchanger, a system for evacuating combustion products and a circulation pump for water in the appliance's heating circuit,
  • at least one secondary generator for the production of domestic hot water, consisting of a secondary exchanger with a three-way valve provided in the circuit of said generator,
  • the primary generator, with the primary exchanger, the gas burner and its associated mechanisms, as well as the circulation pump, forming a first module which is separate from other modules installed in geographically different places and each containing a secondary generator for The production of domestic hot water, which are connected to the heating circuit of the primary generator,
  • installation according to which a tertiary generator with a tertiary exchanger is installed on a short circuit connected on one side to the hot water return circuit of the primary generator and on the other side to the short circuit of a secondary generator via a three-way valve, in series with the three-way valve, for distributing hot water in the secondary generator.

D'autres caractéristiques particulières et avantages de l'invention ressortiront de la description qui va suivre d'exemples de réalisation dans lesquels il est fait référence aux dessins annexés qui représentent :

  • Figure 1, une vue schématique du montage d'une chaudière mixte avec un module secondaire générateur d'eau chaude sanitaire.
  • Figure 2, une vue générale d'une cuisine incorporant en deux points séparés le générateur primaire et le générateur secondaire.
  • Figure 3, une vue générale d'une variante d'installation dans laquelle le générateur primaire est à l'extérieur de la cuisine et dans laquelle le générateurr secondaire dessert plusieurs points de puisage.
  • Figure 4, une vue schématique du montage d'une chaudière mixte avec un module secondaire et un module tertiaire, générateurs d'eau chaude sanitaire.
  • Figure 5, une vue générale analogue à la figure 3, montrant également un module tertiaire extérieur à la cuisine.
  • Figure 6, une vue générale d'une variante d'installation en gaine technique sur des paliers de logements.
  • Other particular characteristics and advantages of the invention will emerge from the description which follows of embodiments in which reference is made to the appended drawings which represent:
  • Figure 1, a schematic view of the mounting of a mixed boiler with a secondary module for domestic hot water.
  • Figure 2, a general view of a kitchen incorporating at two separate points the primary generator and the secondary generator.
  • Figure 3, a general view of an alternative installation in which the primary generator is outside the kitchen and in which the secondary generator serves several draw points.
  • Figure 4, a schematic view of the assembly of a mixed boiler with a secondary module and a tertiary module, domestic hot water generators.
  • Figure 5, a general view similar to Figure 3, also showing a tertiary module outside the kitchen.
  • Figure 6, a general view of an alternative installation in technical sheath on housing bearings.
  • On a représenté à la figure 1 une chaudière mixte dite "simple split" constituée d'un premier module générateur de chaleur primaire désigné dans son ensemble par la référence 1 et d'un second module générateur secondaire d'eau chaude sanitaire désigné dans son ensemble par la référence 2. Le mode d'exécution ne tombe pas dans la portée de la protection couverte par la revendication indépendante.FIG. 1 shows a mixed boiler called "simple split" consisting of a first module primary heat generator as a whole designated by reference 1 and a second secondary generator module domestic hot water designated as a whole by the reference 2. The execution mode does not fall within the scope of the protection covered by the independent claim.

    Le générateur primaire 1 comporte essentiellement un brûleur à gaz 10 et son mécanisme 11 d'admission gaz, une chambre de combustion 12 fermée par un échangeur primaire 13, et une hotte 14 d'évacuation des produits de combustion. Dans le conduit de retour d'eau chaude 15 dans lequel circule l'eau admise à l'échangeur est intercalée une pompe de circulation 16 et du côté départ de l'eau chaude par le conduit 18 dans le sens de la flèche est placé un capteur de température 17, les conduits (15, 18) formant le circuit de chauffage du générateur primaire.The primary generator 1 essentially comprises a gas burner 10 and its gas intake mechanism 11, a combustion chamber 12 closed by a primary exchanger 13, and a hood 14 for evacuating combustion products. In the hot water return pipe 15 in which circulates the water admitted to the exchanger is interposed a pump circulation 16 and on the hot water outlet side by the conduit 18 in the direction of the arrow is placed a sensor temperature 17, the conduits (15, 18) forming the circuit heating of the primary generator.

    Dans le générateur secondaire 2, un échangeur secondaire 20 est installé sur un circuit court 21 raccordé d'un côté au circuit de retour d'eau chaude 15 et d'un autre côté au conduit 18 de départ d'eau chaude par l'intermédiaire d'une vanne trois voies 22 qui distribue l'eau chaude également vers le circuit 27 de départ chauffage. L'eau froide sanitaire est admise à l'échangeur 20 par un conduit 23 équipé d'un capteur de débit 24 et l'eau chaude sanitaire quitte l'échangeur vers le point de puisage par un conduit 25 équipé d'un capteur de température 26.In the secondary generator 2, an exchanger secondary 20 is installed on a short circuit 21 connected on one side to the hot water return circuit 15 and on the other side to the hot water outlet pipe 18 by through a three-way valve 22 which distributes hot water also to the starting circuit 27 heater. Domestic cold water is admitted to the exchanger 20 by a conduit 23 equipped with a flow sensor 24 and domestic hot water leaves the exchanger to the point of drawing from a conduit 25 fitted with a temperature sensor 26.

    Quand l'appareil fonctionne en chauffage la vanne trois voies 22 oriente l'eau chaude vers le circuit 27. A l'arrêt de la demande chauffage, elle se repositionne sur le circuit court en priorité sanitaire.When the device is operating in heating, the valve three-way 22 directs hot water to circuit 27. A stopping the heating request, it is repositioned on the short circuit in sanitary priority.

    Lorsque le capteur 24 détecte un puisage, l'allumage du brûleur 10 intervient pour assurer le chauffage de l'eau par l'échangeur 13 et sa circulation rapide dans le circuit court 21 pour le chauffage de l'eau sanitaire dans l'échangeur secondaire 20. La régulation de température se fait par l'intermédiaire du capteur 26.When the sensor 24 detects a draw, the ignition of the burner 10 intervenes to heat the water by the exchanger 13 and its rapid circulation in the circuit short 21 for domestic water heating in the secondary exchanger 20. The temperature regulation is done through sensor 26.

    La chaudière murale est ainsi constituée des générateurs primaire 1 et secondaire 2 qui sont séparables et peuvent être installés dans deux endroits ou locaux géographiquement différents, de l'habitation. Ainsi, comme l'illustre 1a figure 2, qui ne tombe pas sous la protection de la revendication 1, on peut intégrer le générateur primaire 1 dans les éléments hauts 19 d'un meuble de cuisine standard. Par contre le générateur secondaire 2 est placé en partie basse, par exemple sous l'évier 28 de la cuisine, pour ne pas perturber l'esthétique de la cuisine intégrée.The wall-mounted boiler thus consists of primary 1 and secondary 2 generators which are separable and can be installed in two places or premises geographically different from housing. So like illustrated in Figure 2, which does not fall under protection from claim 1, the generator can be integrated primary 1 in the tall units 19 of a kitchen unit standard. On the other hand, the secondary generator 2 is placed in lower part, for example under the kitchen sink 28, so as not to disturb the aesthetics of the integrated kitchen.

    Quand une chaudière est installée dans un garage, elle est souvent loin des points de puisage situés dans la cuisine et les salles de bains. En installant le générateur primaire 1 par exemple dans un garage comme le montre la figure 3, (qui ne tombe pas non plus sous la protection de la revendication 1) et le générateur secondaire 2 sous l'évier 28 de la cuisine, comme dans le cas précédent, on réduit considérablement le temps d'arrivée de l'eau chaude au point de puisage de l'évier ainsi qu'à un point de puisage voisin tel qu'une douche 29, et on réalise ainsi de substantielles économies d'eau et d'énergie. On évite ainsi également que le bruit de l'appareil, provoqué essentiellement par le générateur primaire 1, soit émis dans l'habitation.When a boiler is installed in a garage, it is often far from the tapping points located in the kitchen and bathrooms. By installing the generator primary 1 for example in a garage as shown in the Figure 3, (which also does not fall under the protection of claim 1) and the secondary generator 2 under the sink 28 of the kitchen, as in the previous case, we reduce considerably the time of arrival of hot water to the point from the sink as well as from a nearby tap point such as a shower 29, and thus substantial water and energy savings. This also prevents device noise, mainly caused by primary generator 1, or emitted in the home.

    On peut aussi installer le générateur primaire à l'extérieur de l'habitation, par exemple sur un balcon ou dans une buanderie et le générateur secondaire se trouve, lui, à l'intérieur et est protégé du gel. La seule précaution à prendre pour le générateur primaire est d'ajouter un produit antigel dans le circuit de chauffage.You can also install the primary generator outside the home, for example on a balcony or in a utility room and the secondary generator is located, him, inside and is protected from frost. The only precaution for the primary generator is add an antifreeze product to the heating circuit.

    Une autre variante de réalisation consiste à utiliser plusieurs générateurs secondaires de production d'eau chaude sanitaire, associés à un générateur primaire unique.Another alternative embodiment consists in use several secondary production generators domestic hot water, associated with a primary generator unique.

    La figure 4 illustre schématiquement le montage d'une chaudière de ce type dite "multi-split". Figure 4 schematically illustrates the assembly a boiler of this type called "multi-split".

    On y voit les deux modules 1 et 2 dans lesquels les mêmes éléments portent les mêmes références. Un autre générateur tertiaire désigné dans son ensemble par la référence 3 est indépendant du générateur 2. Il comporte un échangeur sanitaire tertiaire 30 installé sur un circuit court 31 raccordé d'un côté au circuit de retour d'eau chaude 15 de générateur primaire 1, et d'un autre côté au circuit court 21 du générateur secondaire 2 par l'intermédiaire d'une autre vanne trois voies 32 qui se trouve sur le circuit court 21, en série avec la vanne 22. La vanne trois voies 32 est donc entre cette dernière et l'échangeur secondaire 20. Elle est conçue pour pouvoir occuper une position intermédiaire qui permet d'alimenter à la fois le circuit court 31 et l'échangeur 20. Avantageusement un moteur pas à pas 41 est prévu pour la manoeuvre de la vanne trois voies 32. L'eau froide sanitaire est admise à l'échangeur 30 par un conduit 33 équipé d'un capteur de débit 34 et l'eau chaude sanitaire quitte l'échangeur par un conduit 35 vers un réservoir 37 à micro-accumulation équipé d'un capteur de température 36. Le réservoir 37 est maintenu à température par une résistance électrique 38 pour compenser les déperditions thermiques, en liaison avec un interrupteur à bilame 39.We see there the two modules 1 and 2 in which the same elements have the same references. Another tertiary generator designated as a whole by the reference 3 is independent of generator 2. It includes a tertiary sanitary exchanger 30 installed on a circuit short 31 connected on one side to the water return circuit primary generator 1 hot 15, and on the other hand to short circuit 21 of the secondary generator 2 by through another three-way valve 32 which is found on short circuit 21, in series with valve 22. The three-way valve 32 is therefore between the latter and the secondary exchanger 20. It is designed to be able to occupy an intermediate position which allows feeding to both the short circuit 31 and the exchanger 20. Advantageously, a stepping motor 41 is provided for the operation of the three-way valve 32. Domestic cold water is admitted to the exchanger 30 by a conduit 33 fitted with a flow sensor 34 and domestic hot water leaves the exchanger by a conduit 35 to a reservoir 37 with micro-accumulation equipped with a temperature sensor 36. The tank 37 is maintained at temperature by a resistance electric 38 to compensate for heat losses, in connection with a bimetallic switch 39.

    Lorsqu'on effectue un puisage à l'aide du seul générateur tertiaire 3, la vanne trois voies 22 s'ouvre vers le circuit court 21, par contre la vanne trois voies 32 se ferme vers l'échangeur secondaire 20 mais s'ouvre vers le circuit court 31 de telle sorte que l'eau de chauffage émise par l'échangeur 13 chauffe directement le générateur tertiaire 3. La régulation de température se fait par l'intermédiaire du capteur 17 placé sur le circuit primaire. La production d'eau chaude par l'échangeur sanitaire tertiaire 3 se fait à consigne de température fixe, par exemple 55°C. Pour abaisser cette température à la valeur que l'utilisateur désire pour son confort de douche ou de bain, par exemple 40°C, une vanne thermostatique 40 en sortie du réservoir 37 mélange l'eau chaude produite à 55°C, à l'eau froide du réseau. Le réservoir 37 à microaccumulation, placé en série entre la sortie de l'échangeur 30 et l'entrée d'eau chaude dans la vanne thermostatique 40 permet de fournir immédiatement de l'eau chaude au point de puisage et de compenser ainsi le temps de montée en température de l'échangeur primaire et de l'échangeur tertiaire situés à une certaine distance l'un de l'autre. L'interrupteur à bilame 39 lié au réservoir 37 et ajusté par exemple à 55°C, coupe l'alimentation électrique lorsque la température détectée par le capteur 17 atteint 55°C, et la restaure lorsqu'elle descend à 50°C par exemple. On note que ce générateur tertiaire 3 fonctionne sans liaison électrique avec le générateur primaire 1, ce qui évite l'installation fastidieuse d'une ligne électrique entre ces deux modules situés à une certaine distance l'un de l'autre.When a draw is made using the single tertiary generator 3, the three-way valve 22 opens towards the short circuit 21, on the other hand the three-way valve 32 is closes towards secondary exchanger 20 but opens towards short circuit 31 so that the heating water emitted by the exchanger 13 directly heats the generator tertiary 3. The temperature regulation is done by via the sensor 17 placed on the primary circuit. Hot water production by the sanitary exchanger tertiary 3 is done at a fixed temperature setpoint, by example 55 ° C. To lower this temperature to the value that the user desires for his comfort of shower or bath, for example 40 ° C, a thermostatic valve 40 in outlet from tank 37 mixes the hot water produced at 55 ° C, with cold tap water. The tank 37 to microaccumulation, placed in series between the outlet of the exchanger 30 and the entry of hot water into the valve thermostatic 40 provides immediate water supply hot at the draw-off point and thus compensate for the time of temperature rise of the primary exchanger and the tertiary exchanger located at a certain distance one of the other. The bimetal switch 39 linked to the tank 37 and adjusted for example at 55 ° C, cuts the power supply when the temperature detected by the sensor 17 reaches 55 ° C, and restores it when it drops to 50 ° C for example. We note that this tertiary generator 3 operates without electrical connection with the primary generator 1, which avoids the tedious installation of a power line between these two modules located at a certain distance one the other.

    Il est également possible d'assurer des puisages simultanés au générateur secondaire 2 et au générateur tertiaire 3. Dans ce cas, de toute façon, la vanne 22 est ouverte en direction du circuit court 21. De son côté la vanne trois voies 32 va se placer en position médiane pour laquelle l'eau de chauffage est distribuée à la fois vers le circuit court 31 de l'échangeur tertiaire 30 et vers l'échangeur secondaire 20. Un moteur pas à pas 41 pour la manoeuvre de cette vanne trois voies 32, permet un ajustement fin du débit d'eau dans les deux échangeurs sanitaires afin de régler les températures aux consignes appropriées, d'après les capteurs 17 et 26.It is also possible to provide water withdrawals secondary generator 2 and generator simultaneously tertiary 3. In this case, in any case, the valve 22 is open towards short circuit 21. For its part, three-way valve 32 will go to the middle position to which the heating water is distributed to both short circuit 31 of the tertiary exchanger 30 and towards the secondary exchanger 20. A stepping motor 41 for the operation of this three-way valve 32, allows a fine adjustment of the water flow in the two exchangers sanitary facilities to adjust the temperatures to the instructions appropriate, according to sensors 17 and 26.

    La figure 5 est une illustration d'une installation de type "multi-split" à deux générateurs sanitaires. Dans le cas présenté, de façon similaire au montage de la figure 3, le générateur primaire 1 est localisé dans un garage et le générateur secondaire 2 sous l'évier 28 de la cuisine, pour desservir également une douche 29. Un générateur tertiaire 3, raccordé aux générateurs 1 et 2 selon le schéma de la figure 3, est placé sous un lavabo 42, donc en un point encore un peu plus éloigné du générateur primaire. Avantageusement, on associe par conséquent à ce générateur tertiaire 3 un réservoir 37 à micro-accumulation pour compenser le temps de montée en température du générateur primaire. On s'est ainsi affranchi des boucles de circulation d'eau chaude, onéreuses à installer et qui sont sources de pertes en énergie électrique et thermique, tout en limitant le temps d'attente aux divers points de puisage.Figure 5 is an illustration of a "multi-split" installation with two generators health. In the case presented, similarly to the assembly of Figure 3, the primary generator 1 is located in a garage and the secondary generator 2 under the kitchen sink 28, to also serve a shower 29. A tertiary generator 3, connected to generators 1 and 2 according to the diagram in figure 3, is placed under a sink 42, so in one point a little more away from the primary generator. Advantageously, we associate therefore to this tertiary generator 3 a reservoir 37 to micro-accumulation to compensate for the rise time in primary generator temperature. We thus freed ourselves expensive hot water circulation loops install and which are sources of energy losses electric and thermal, while limiting the waiting time at the various drawing points.

    Un dernier exemple d'application du système "multi-split" est illustré à la figure 6. Il montre l'installation de plusieurs générateurs primaires 1 dans un immeuble collectif. Les générateurs sont dans une gaine technique sur les paliers de l'immeuble, au voisinage de chaque logement équipé d'au moins un générateur secondaire 2 installé dans les mêmes conditions que précédemment. Une telle installation autorise l'intervention des services après-vente sans besoin de rendez-vous avec l'occupant du logement puisque l'entretien de l'appareil n'intervient essentiellement que sur le brûleur et le bloc de combustion du générateur primaire situé dans la gaine technique. On réalise ainsi de substantielles économies dans le coût d'entretien des chaudières.A final example of application of the system "multi-split" is illustrated in Figure 6. It shows the installation of several primary generators 1 in one collective building. The generators are in a sheath technical on the landings of the building, near each dwelling equipped with at least one secondary generator 2 installed under the same conditions as before. A such installation authorizes the intervention of services after-sales without the need for an appointment with the occupant of the housing since maintenance of the device does not take place basically only on the burner and the combustion block of the primary generator located in the technical sheath. We thus achieves substantial cost savings boiler maintenance.

    Enfin un avantage nouveau est procuré par cet appareil du type "multi-split". Si un utilisateur a agrandi. sa maison en ajoutant par exemple une salle d'eau supplémentaire, ou si le nombre de personnes occupant le logement a augmenté, il peut pour augmenter la puissance de la chaudière, changer le générateur primaire 1, et le remplacer par un plus puissant sans toucher aux générateurs secondaires et tertiaires existants. Ainsi, seule la moitié de la chaudière est à remplacer ce qui est particulièrement économique.Finally a new advantage is provided by this "multi-split" type device. If a user has enlarged. his house by adding for example a bathroom additional, or if the number of people occupying the housing increased it can to increase the power of the boiler, change the primary generator 1, and the replace with a more powerful one without touching the generators existing secondary and tertiary. So only half of the boiler is to be replaced which is particularly economic.

    Claims (5)

    1. A heating installation comprising:
      a wall-mounted gas-fired boiler with a primary heat generator (1), with a gas burner (10), a combustion chamber (12) closed by a primary heat exchanger (13), a system for evacuating combustion products (14) and a water circulating pump (16) in the heating circuit (15,18) of the apparatus,
      at least one secondary generator (2) for the production of domestic hot water, constituted by a secondary heat exchanger (20) with a three way valve (22) provided in the circuit of the aforesaid generator,
      the primary generator (1), with the primary heat exchanger (13), the gas burner (10) and its associated mechanism, as well as the circulating pump (16), forming a first module which is separate from other modules installed in physically different places and each containing a secondary generator for the production of domestic hot water, and which are connected to the heating circuit of the primary generator,
      characterised in that a tertiary generator (3) with a tertiary heat exchanger (30) is installed on a circuit run (31) connected on one side to the hot water return circuit (15) of the primary generator and on another side to the circuit run (21) of one secondary generator (2) by the intermediary of a three way valve (32), in series with the three way valve (22), for the distribution of hot water to the secondary generator (2).
    2. A wall-mounted gas-fired boiler according to claim 1, characterised in that the outlet pipe (35) for domestic hot water from the tertiary exchanger (30) is connected to a micro accumulation vessel (37) equipped with a temperature gauge (36).
    3. A wall-mounted gas-fired boiler according to claim 2, characterised in that the micro accumulation vessel (37) is maintained at temperature by an electrical resistance (38).
    4. A wall-mounted gas-fired boiler according to claim 2, characterised in that a thermostatic valve (40) is at the outlet of the vessel (37), mixing the hot water produced by the tertiary generator (3) with the cold water of the system.
    5. A wall-mounted gas-fired boiler according to claim 2, characterised in that a step motor operates the three way valve (32) for fine adjustment of the water flow in the two domestic heat exchangers (20,30).
    EP00977643A 1999-11-09 2000-11-09 Modular mixed gas wall boiler Expired - Lifetime EP1228333B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    FR9914046 1999-11-09
    FR9914046A FR2800857B1 (en) 1999-11-09 1999-11-09 WALL COMBINED GAS BOILER OF THE MODULAR TYPE, WITH SEPARATE OR SEPARABLE HEATING GENERATOR AND DOMESTIC HOT WATER GENERATOR
    PCT/FR2000/003121 WO2001035028A1 (en) 1999-11-09 2000-11-09 Modular mixed gas wall boiler

    Publications (2)

    Publication Number Publication Date
    EP1228333A1 EP1228333A1 (en) 2002-08-07
    EP1228333B1 true EP1228333B1 (en) 2004-03-03

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    ID=9551892

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP00977643A Expired - Lifetime EP1228333B1 (en) 1999-11-09 2000-11-09 Modular mixed gas wall boiler

    Country Status (8)

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    EP (1) EP1228333B1 (en)
    AT (1) ATE261091T1 (en)
    DE (1) DE60008780T2 (en)
    ES (1) ES2219416T3 (en)
    FR (1) FR2800857B1 (en)
    PT (1) PT1228333E (en)
    TR (1) TR200401278T4 (en)
    WO (1) WO2001035028A1 (en)

    Families Citing this family (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    NL1021594C2 (en) 2002-10-07 2004-04-08 Nefit Buderus B V Heater.
    DE102012216826B4 (en) * 2012-09-19 2018-09-20 Webasto SE Heating system and method for automatic line filling
    CN112856809A (en) * 2021-01-22 2021-05-28 深圳市华高瀚禹科技有限公司 Heating and domestic water electric heating equipment

    Family Cites Families (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE1779811A1 (en) * 1968-09-28 1971-09-16 Junkers & Co Pump heating system with a boiler, in particular with a gas-heated circulation water heater
    EP0408788B1 (en) * 1989-07-20 1994-03-09 Karl-Hermann Müschenborn Device consisting of a heat exchanger with integrated heat accumulator for domestic hot water supply
    DE19809024A1 (en) * 1998-03-04 1999-09-09 Buderus Heiztechnik Gmbh Device for preparing hot water

    Also Published As

    Publication number Publication date
    WO2001035028A1 (en) 2001-05-17
    EP1228333A1 (en) 2002-08-07
    ES2219416T3 (en) 2004-12-01
    FR2800857A1 (en) 2001-05-11
    DE60008780T2 (en) 2005-01-13
    FR2800857B1 (en) 2002-03-22
    ATE261091T1 (en) 2004-03-15
    PT1228333E (en) 2004-07-30
    DE60008780D1 (en) 2004-04-08
    TR200401278T4 (en) 2004-08-23

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