Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
  • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
  • F24H1/18—Water-storage heaters
  • F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
  • F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
  • F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
  • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
  • B60P3/32—Vehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles
  • B60P3/36—Auxiliary arrangements; Arrangements of living accommodation; Details
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
  • F24D3/00—Hot-water central heating systems
  • F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
  • F24D3/082—Hot water storage tanks specially adapted therefor
• • 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
  • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
  • F24H1/48—Water heaters for central heating incorporating heaters for domestic water
  • F24H1/50—Water heaters for central heating incorporating heaters for domestic water incorporating domestic water tanks
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
  • F24D2200/00—Heat sources or energy sources
  • F24D2200/08—Electric heater
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
  • F24D2200/00—Heat sources or energy sources
  • F24D2200/14—Solar energy
• • 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
  • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
  • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
  • F24H1/24—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers
  • F24H1/26—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
  • Y02B10/00—Integration of renewable energy sources in buildings
  • Y02B10/20—Solar thermal
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
  • Y02B10/00—Integration of renewable energy sources in buildings
  • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies

Definitions

• the present invention more particularly relates to a combined device for heating a room and producing hot water for sanitary purposes, said device comprising: - at least a first tank defined by a first wall and intended to contain water to sanitary use,
• At least one second tank delimited by a second wall and intended to contain a heat-transfer fluid for heating purposes, such as water.
• such a heating installation may comprise a boiler connected to a circuit comprising for example radiators and / or a heated floor.
• Another object assigned to the invention is to propose a new device that has a significant autonomy and flexibility of use.
• the second tank 6, and more precisely the second wall 7, is furthermore covered, at least in part and preferably entirely, with a thermally insulating material 12.
• starting and / or return connections of the heating circuit may be provided with non-return valves to guarantee the unidirectional circulation of the coolant.
• the first tank 2 is then mostly covered by the second fluid F 2 in which it is immersed and is preferably completely immersed (with the possible exception of the surfaces necessary for the mechanical fixing of the first and second tanks, of course).
• the first and / or second vessel 2, 6, and more precisely the first and / or the second wall 3, 7, will have a substantially cylindrical shape of extension axis (XX '), of circular section, and closed at each of its ends by a straight or curved base surface (for example spherical cap type).
• first and second tanks are preferably fixed in connection with each other, for example by a weld bead, so as to eliminate any mobility relative to each other.
• the interstitial space 40 here corresponding to the region of the space between the outside of the first wall 3 and the inside of the second wall 7, will naturally be dimensioned so as to allow the circulation of the second fluid F 2 around of the first tank 2, and more particularly between the return heating connection 31, 31 'and the starting heating connection 30, 30', while ensuring a sufficiently efficient heat transfer from the first tank 2 to the second fluid F 2 .
• interstitial space 40 and more particularly on the inner surface of the wall 7, means for counteracting the flow of said second fluid F 2 within said interstitial space 40, such as asperities or baffles, or even to make said flow turbulent to improve the heat transfer between the first and the second fluid.
• means for counteracting the flow of said second fluid F 2 within said interstitial space 40 such as asperities or baffles, or even to make said flow turbulent to improve the heat transfer between the first and the second fluid.
• the skilled person will be able to appreciate case by case the dimensions of the first and second tanks, as well as the power of the heat source 4, and the number and size of dissipators 34 or the flow rate of the second fluid F 2 in the heating system 32.
• the device 1 is preferably provided with an inlet orifice 41 which communicates with the outside of said device 1 and allows the connection thereof to a cold water supply network (not shown).
• the device 1 further comprises a preheating circuit 42 of the sanitary water, said preheating circuit 42 joining the inlet port 41 to the first tank 2 by means of a pipe 43 immersed in the heat transfer fluid F 2 .
• said tubing 43 advantageously serves as a heat exchanger between the second fluid F 2 , or directly the first wall 3, and the cold water admitted into the tank 1, so that the cold water from the network is lukewarm before entering the heart of the first tank 2.
• the tubing 43 may have any shape, including a substantially flattened section and / or parallelepiped. However, it will preferably be formed by a tube of circular section and particularly preferably wound in a serpentine around the first tank 2, in contact with or at a distance from the latter, in the interstitial space 40.
• the materials constituting the first tank 2 and the second tank 6, as well as the preheating tubing 43 will be selected so as to be physically and chemically compatible with the first and second fluids Fi, F 2 with which they are brought into contact, as well as with the temperature and pressure ranges corresponding to the operation of the device 1.
• the elements involved in heat transfer such as preheating tubing 43 or first wall 3, in areas where said first wall is interposed between the first and the second fluid Fi, F 2 , will naturally be made of materials having a high thermal conductivity.
• the first wall 3 may in particular be made of metal, and more particularly of stainless steel, aluminum, copper or a copper-based alloy.
• the device 1 may be provided with an access orifice 45 provided with fixing means, such as a circular screw flange, designed so that one can sealingly providing said access port 45 with a removable closure panel 46.
• fixing means such as a circular screw flange
• Such a removable panel 46 may furthermore form a base serving as a support for the first heat diffusion means 5, and, more specifically, for the electrical resistance 10.
• such an arrangement simplifies the maintenance of the device 1 since it makes it possible, on the one hand, to replace, if necessary, the heat source 4 or the diffusion means 5 in the event of failure or degradation of these, and of secondly to access the interior of the first tank 2 or even the second tank 6, for example to carry out a descaling.
• the device may be provided with filling means connected to the water supply network, as well as purge means connected to the wastewater drainage network, such as ball valves (not shown) placed at low points of the first and second tanks, so as to allow additional filling, or conversely the emptying, of one or the other of said tanks.
• filling means connected to the water supply network
• purge means connected to the wastewater drainage network, such as ball valves (not shown) placed at low points of the first and second tanks, so as to allow additional filling, or conversely the emptying, of one or the other of said tanks.
• the device 1 may be provided with one or more air purge means, preferably located at the high points of said tanks.
• said device will preferably be associated with one or more pressure-limiting means capable of evacuating fluid from the first and / or the second tank in the event of abnormal rise of the pressure within them. .
• the device 1 according to the invention will preferably be provided with a first and a second temperature probe 50, 51 respectively immersed in the first fluid Fi and the second fluid F 2 .
• the first heat diffusion means 5, and even more so the heat source 4 is preferably the sole means of transmitting heat to the device 1, it is nevertheless conceivable that the device 1 comprises in addition to a booster heat source 60, such as a solar panel 61 or an additional heating resistor, said booster heat source 60 being connected to second heat diffusion means 62 located outside the first heat source 62 tank 2 and arranged to communicate heat to the heat transfer fluid F 2 .
• a booster heat source 60 such as a solar panel 61 or an additional heating resistor
• the auxiliary heat source 60 can advantageously be implemented in order to limit the volume of the sanitary water reserve Fi while preserving the regulating effect of said reserve. Indeed, said volume would otherwise tend to increase when it is desired to have a large heating power while ensuring relative stability of the temperature of water for sanitary use.
• the auxiliary source 60 allows the user to have a water heater whose volume is not excessive while maintaining a useful power of boiler important, able to cover a wide range of climatic situations to which is exposed the room to be heated.
• the power of the additional heat source remains substantially less than that of the heat source 4 and / or the first heat diffusion means 5, which form the main heat supply members of the device 1 .
• the second heat diffusion means 62 may for example be formed by a coil or an equivalent exchanger disposed inside the second tank 6 and immersed in the second fluid F 2 , so that the heat transfer fluid contained in the circuit auxiliary 64 which connects said coil to the auxiliary source 60 does not mix with the second fluid F 2 .
• the auxiliary source 60 may comprise a mixing bottle 80 such as that represented in FIG. 4.
• Said mixing bottle 80 comprises an inlet orifice 81 for connection to the heating circuit 32, preferably provided with a check valve, and an outlet orifice 82, preferably connected to the return connection 30.
• Said bottle 80 also preferably comprises a heat source 83, of the electrical resistance type, and / or connection means 84 to an exchanger, as well as a heat sensor 85 designed to thermally regulate the calorie intake of the source 83 and / or from the exchanger to the coolant 2 within the bottle 80.
• the volume of the mixing bottle 80 is advantageously restricted in order to allow a rapid rise in the temperature of the heat transfer fluid F 2 , in particular at the start of the device 1, without it being otherwise necessary to overcome beforehand the thermal inertia of the volume of water for sanitary use Fi.
• a power supply system is created capable of accumulating electrical energy, for example during a sunny day, and then restoring it when it is necessary to provide heating power to the device 1, for example at night.
• the device 1 forms a water heater / boiler combination whose heat source 4 is formed by an electrical resistance 10, whose second tank is connected to a heating circuit 32 and the first tank to a domestic hot water distribution circuit 21.
• the minimum setpoint temperature for the first temperature Ti is set to T-IMIN, for example equal to 65 ° C., and as the maximum setpoint the value Ti ma ⁇ , preferably substantially equal to 70 ° C.
• Said heat is first transmitted to the first fluid F 1, in particular by conduction, from the sleeve 11 to the proximal water layers of the first fluid F 1 placed in contact with it, and then from said proximal water layers to the distal water layers. of the first fluid Fi, located at a distance from said sheath and near the inner face of the first wall 3.
• the heat then diffuses through the first wall 3 to be transmitted from the first fluid Fi to the second fluid F 2 located in the interstitial space 40. More specifically, the heat Q propagates through the second fluid F 2 , from the layers located near the first wall 3 ("hot") to the layers located on the periphery of the device, against the inner face of the second wall 7 ("cold").
• the second fluid then travels the dissipator circuit 34 through which it communicates heat to the room before returning, substantially cooled, to the second tank 2.
• first and second temperatures Ti and T 2 reflect average values in the fluids concerned, said temperatures being able in particular to depend on the flow conditions of the coolant 2 and the altitude of the measurement point considered.
• the heating resistor 10 is carried and substantially maintained at a temperature TR which enables it to transfer calories to the first fluid F1 and thus to maintain the temperature Ti thereof substantially between the set values. lower and upper, despite the extraction of calories operated by the second fluid F 2 through the first wall 3 to the heated premises.
• the device 1 according to the invention comprises a small number of parts, which are moreover likely to be manufactured in large series by the implementation of perfectly controlled technologies, so that the cost of manufacturing said device is particularly low.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• General Engineering & Computer Science (AREA)
• Health & Medical Sciences (AREA)
• Public Health (AREA)
• Transportation (AREA)
• Water Supply & Treatment (AREA)
• Heat-Pump Type And Storage Water Heaters (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=39110511

Family Applications (1)

Country Status (3)

Families Citing this family (7)

Family Cites Families (13)

• 2007
  • 2007-04-19 FR FR0702831A patent/FR2905750B1/fr not_active Expired - Fee Related
  • 2007-09-13 WO PCT/FR2007/001483 patent/WO2008031947A2/fr not_active Ceased
  • 2007-09-13 EP EP07848223A patent/EP2066980A2/de not_active Withdrawn

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events