EP2778558A1 - Dispositif modulaire dissipateur de chaleur pour radiateurs de chauffage - Google Patents

Dispositif modulaire dissipateur de chaleur pour radiateurs de chauffage Download PDF

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Publication number
EP2778558A1
EP2778558A1 EP14160362.1A EP14160362A EP2778558A1 EP 2778558 A1 EP2778558 A1 EP 2778558A1 EP 14160362 A EP14160362 A EP 14160362A EP 2778558 A1 EP2778558 A1 EP 2778558A1
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EP
European Patent Office
Prior art keywords
plates
modular device
previous
modules
modular
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Granted
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EP14160362.1A
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German (de)
English (en)
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EP2778558B1 (fr
Inventor
João Alfredo Silva Machado
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Anergii - Unipessoal Lda
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Anergii - Unipessoal Lda
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    • 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
    • F24H3/00—Air heaters
    • F24H3/002—Air heaters using electric energy supply
    • F24H3/004—Air heaters using electric energy supply with a closed circuit for a heat transfer liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/0246—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid heat-exchange elements having several adjacent conduits forming a whole, e.g. blocks

Definitions

  • the present disclosure refers to a modular heat exchange device for placing into radiator module or modules.
  • radiators in particular to room heating radiators and corresponding heat production in some cases further allowing reusing already installed radiators.
  • Heating is the act of transferring heat energy to an object, or the energy of a material in the environment air.
  • a heating system consumes energy that is returned as heat.
  • Comfort heating is used to maintain or improve the conditions of a pleasant atmosphere to live in confined spaces which are spaces of life, such as buildings, interiors of means of transportation, swimming pools, among others.
  • the goal of heating is to improve thermal comfort of a space of life.
  • a heating system necessarily includes, a heat source with a temperature higher than the space to heat.
  • the heat emitter allows an exchange of thermal energy between the heat source and the object, the material or the space to be heated.
  • This emitter can be static or dynamic.
  • the former transfers the heat by convection and/or radiation, whereas the latter uses a built-in ventilator which transfers the heat to the environment through air circulation, essentially using air as thermal exchange.
  • a heating system can also include, a heat storage system (thermal inertia).
  • a heat storage system thermal inertia
  • Radiators made in aluminium alloy, in cast aluminium, cast iron and steel are specifically used for transmitting thermal dissipation through the circulation of a liquid (water or thermal fluid) via the hydraulic piping.
  • a series of radiators placed all over the house, usually one or more per compartment, is used.
  • These radiators can be fed using electricity, gas, or diesel, and have been built so as to have heat dissipation surfaces which heat the air, causing convection currents which cross the compartment in which they are in.
  • radiators connected to a gas, diesel or firewood boiler necessarily need building work. Both systems work with high temperatures which cause a heat diffusion by convection. As hot air rises, the effect of these convection currents are due to the fact that the ceiling gets hotter than the floor, thus creating hot and cold spots.
  • One of the justifications for the convection is essentially due to when the body of the radiator when being warmed with water or thermal fluid coming from a boiler, suffers a resistance of internal friction, which causes a loss of thermal load and a significant temperature differential between the upper and the inferior part of the radiator.
  • Heating through water or another thermal fluid further has the inconvenient of having implications in the global functioning of the fluid system, not being able to be used for, for instance, only one single radiator. Due to this global functioning, heating one single radiator is relatively slower, for a same power, or a higher power is needed to obtain the same heating speed for one single radiator.
  • Heating through water or another thermal fluid still has the inconvenient of being subject to fluid temperature variations. For instance, if only part of a thermal fluid installation is operational when other part of the installation is put under load, the thermal fluid has the tendency to cool, even eventually with increased power supply to the circuit.
  • the present disclosure includes a modular heat exchange device, preferably an aluminium modular heat exchange device which allows temperature regulation of a radiator, having a heat exchange and energy dissipation surface, commonly in the form of infrared radiation in the high and low temperature frequency.
  • the present disclosure comprises a heat exchange module which can be placed into radiators to increase the heat to transfer in a place.
  • the exchange module comprises two pieces (1) which are connected and which in its interior has two springs (2) and a PTC resistor (3). It further has a sealed connector (5) and two protecting caps (4) and (6).
  • the present modular heat exchange device can have different shapes which allow it to fit into the majority of the existing heating radiators, promoting a temperature harmonisation in the whole surface of the radiator, in particular through fitting along the vertical of the radiator, thus guaranteeing a significant increase of energetic efficiency; as well as enabling an thermal energy dissipation in a much more efficient way through irradiation rather than convection, which originates a better heat distribution in the place to heat.
  • the device further allows complementing the heat supply capacity of a given installation via thermal fluid with electric power, given its capacity to heat single radiators in different ways.
  • the present disclosure describes an exchange module, preferably an extruded aluminium exchange module which is added to the interior of each modular element of the radiator, so as to turn the system into a hybrid system, that is, which allows it to work using electricity and/or using other type of fossil or renewable energy, for instance gas, water, among others.
  • the exchange module is electricity connected and, through its components and surface slots of each plate which forms the exchange module, allows a homogenous and fast heat irradiation, together with the radiator which can reach the additional 40%.
  • each module is composed of two rectangular plates which preferentially have grooves, particularly male-female, and the inner part of each plate has a specific design for placing of for instance springs and resistor, in particular PTC resistor (Positive Temperature Coefficient).
  • springs and resistor in particular PTC resistor (Positive Temperature Coefficient).
  • Each module preferentially has a resilient element, composed for instance of two springs each on the lateral extreme end of the plate which serve to promote a good fitting near the opening between the modular elements of the radiator.
  • the electric heating generator element used are in particular self-regulating resistors having PTC "Positive Temperature Coefficient" which characterises the electric behaviour of the semiconductor resistor segment which is the basis of the heating element component.
  • PTC Physical Temperature Coefficient
  • Each semiconductor element generates heat, in the same manner as a resistive wire in conventional resistance.
  • the PTC resistors are placed into the main hole of the exchange / heat sink module so as to, by means of thermal conductivity, the whole structure of the module captures the heat transfer generated by the PTC.
  • the PTC is connected to the electric current, promoting the temperature transfer through the plates of each exchange module, being able to achieve temperatures between 25°C and 150oC, and regulated by an electronic digital regulation device which promotes temperature control management requested and provided according to the thermal load losses analysed and compared in the place to heat.
  • This device enables an efficient energy saving management to be made through management protocols and parameters commercially available, such as Gifam and ZigBee. Management is also possible through a programming control via infrared, wireless or, alternatively, via mobile phone.
  • the exchange modules are all preferentially connected among themselves, through electric cables, having one sealed connector at their extreme ends (5). Once all devices are connected, an electric cable (as in Fig. 7 ) connects to the digital regulation device.
  • the network connection and/or the connection to the digital regulation device is located on the lateral module (module which is the first or last of a series of interconnected modules).
  • Heat transfer occurs the moment when the lateral exchange module starts heating, carries the electric energy to the remaining modules so that the corresponding resistors produce heat and, by means of thermal conductivity thermal energy transfer of each module occurs up to the body of the radiator.
  • the radiator generates heat through convection and irradiation to the environment to heat.
  • the choice of the preferential material is due to the fact that aluminium has thermal characteristics particularly adequate to the production of heat exchangers and has mechanical characteristics adequate to the extrusion.
  • the heat exchange module is made of extruded aluminium which allows the use of very thin metal which enables inducing an immediate transfer through heat conductivity and eliminating any thermal inertia.
  • the exchange module can be produced in an aluminium alloy.
  • the exchange module can be composed of polymeric material.
  • the exchange module is composed of metallic plate.
  • the number of exchange modules varies according to the size of the radiators. In some cases, the same number of exchange modules does not necessary need to be placed into according to the number of modular elements, characterised in that the system is a removable system.
  • a modular heat exchange device for placing into radiator module or modules, comprising two metallic or polymeric plates (1) which include between said plates at least one resilient element (2) for moving said plates apart, so that the plates are in contact with said module or modules; an electric resistor (3); and an electric connector (5).
  • the resilient element comprises one spring or two springs (2).
  • the spring or springs are helical, tension, compression, flat, or wave springs.
  • the metallic plates are extruded aluminium metallic plates.
  • the plates (1) are elongated plates for placing into radiator module or modules along the longitudinal openings of said module or modules, so that the plates are in contact with said module or modules.
  • the extruded aluminium metallic plates comprise wavy slots which connect through male-female connection.
  • the resistor is a PTC resistor (3).
  • the device comprises protecting caps (4, 6), in particular on the longitudinal extreme end or ends of the plates (1).
  • each plate internally comprises two slots to receive the springs (7); one slot to receive the PTC (8); and one slot to receive the protecting caps (9).
  • the electric connector is a sealed electric connector (5).
  • this modular device being a modular device of a plurality of interconnected modular devices, the modules are interconnected through electric cables connected at the sealed electric connector (5).
  • the modular device being the side modular device of a plurality of interconnected modular devices
  • the modular device is connected to an electronic digital temperature regulation device (12) which is in turn connected to the electrical grid.
  • the electronic device (12) is manually controlled; through infrared control; or through home automation with Gifam, Zigbee, wireless protocol or mobile phone.
  • heating radiator comprising at least one modular device of any of the above mentioned ones, in particular the heating radiator being for thermal fluid, in particular based in water or oil.
  • a preferred embodiment consists of a heat exchange module which can be placed into radiators to increase the heat to transfer in a place.
  • the exchange module comprises two pieces (1) which are connected and which in its interior has two springs (2) and a PTC resistor (3). It further has a sealed connector (5) and two protecting caps (4) and (6).
  • the exchange / heat sink module has two extruded aluminium plates with wavy slots at the surface.
  • the slots which promote a dissipation surface and heat thermal exchange increase have a 180 degrees angle so as to irradiate with higher amplitude and so that a larger action field is obtained.
  • the plates (1) are cut with the same dimension and in one of the plates the springs (2) are fitted into the slots to receive the springs (7) and PTC (3) in the slot to receive the PTC (8).
  • the exchange / heat sink module which is in one of the extreme ends of the radiator, either left or right, connects through a cable to the digital regulation control (13), being able to be regulated.
  • the radiator When connecting the radiator and the exchange modules system, the radiator will emit heat it produces as well as the one which is transferred by the exchange modules system, as in Fig. 4 , 5 and 6 , thus being obtained a significant increase in a more reduced period of time.
  • the heat exchange module for radiator modular elements has two extruded aluminium plates (1) with wavy slots which connect through male-female connection and which comprise two springs (2) in their inner part; a PTC resistor (3); (4) protecting cap; a sealed electric connector (5) and another protecting cap (6).
  • each plate internally comprises two slots to receive the springs (7); one slot to receive the PTC (8) and one slot to receive the protecting caps (9).
  • the exchange module is to be interconnected to other modules through electric cables connected at the sealed electric connector (5).
  • the exchange module is to be placed into the radiator, between the modular elements, to acquire the same thickness as the radiator opening through springs expansion.
  • the exchange module is to be fitted into the inner part of the radiator, between the modular elements.
  • the exchange module can function without the heating radiator being turned on.
  • the exchange module is comprised in a removable system.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Resistance Heating (AREA)
EP14160362.1A 2013-03-16 2014-03-17 Dispositif modulaire dissipateur de chaleur pour radiateurs de chauffage Not-in-force EP2778558B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT10684213 2013-03-16

Publications (2)

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EP2778558A1 true EP2778558A1 (fr) 2014-09-17
EP2778558B1 EP2778558B1 (fr) 2016-12-14

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2710733A1 (fr) * 1993-09-29 1995-04-07 Huber Manfred Appareil de chauffage électrique du type radiateur à deux sources de chaleur combinées.
FR2712670A1 (fr) * 1993-11-18 1995-05-24 Roussel Jean Louis Chauffage électrique rayonnant et à accumulation; à façades amovibles.
FR2816396A1 (fr) * 2000-11-07 2002-05-10 Florence Cassisi Radiateur electrique a accumulation d'energie de structure modulaire et procede de realisation associe
FR2848646A1 (fr) * 2002-12-16 2004-06-18 Guy Palayer Radiateur a inertie a protection amelioree et procede de fabrication d'un tel radiateur
EP1574803A2 (fr) * 2004-02-27 2005-09-14 Marin Camara, Miguel Radiateur électrique modulaire
ES2378791A1 (es) * 2009-09-04 2012-04-18 Fagor, S. Coop Radiador eléctrico modular.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2710733A1 (fr) * 1993-09-29 1995-04-07 Huber Manfred Appareil de chauffage électrique du type radiateur à deux sources de chaleur combinées.
FR2712670A1 (fr) * 1993-11-18 1995-05-24 Roussel Jean Louis Chauffage électrique rayonnant et à accumulation; à façades amovibles.
FR2816396A1 (fr) * 2000-11-07 2002-05-10 Florence Cassisi Radiateur electrique a accumulation d'energie de structure modulaire et procede de realisation associe
FR2848646A1 (fr) * 2002-12-16 2004-06-18 Guy Palayer Radiateur a inertie a protection amelioree et procede de fabrication d'un tel radiateur
EP1574803A2 (fr) * 2004-02-27 2005-09-14 Marin Camara, Miguel Radiateur électrique modulaire
ES2378791A1 (es) * 2009-09-04 2012-04-18 Fagor, S. Coop Radiador eléctrico modular.

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