EP1906103A1 - Radiateur avec pièces de chauffage et similaires, et son procédé de fabrication - Google Patents

Radiateur avec pièces de chauffage et similaires, et son procédé de fabrication Download PDF

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Publication number
EP1906103A1
EP1906103A1 EP07018048A EP07018048A EP1906103A1 EP 1906103 A1 EP1906103 A1 EP 1906103A1 EP 07018048 A EP07018048 A EP 07018048A EP 07018048 A EP07018048 A EP 07018048A EP 1906103 A1 EP1906103 A1 EP 1906103A1
Authority
EP
European Patent Office
Prior art keywords
manifolds
radiator
flat pipes
wall
plate member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07018048A
Other languages
German (de)
English (en)
Inventor
Venanzio Bielli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bielli Alessandro
Bielli Valentina
Original Assignee
Bielli Alessandro
Bielli Valentina
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bielli Alessandro, Bielli Valentina filed Critical Bielli Alessandro
Publication of EP1906103A1 publication Critical patent/EP1906103A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F28D1/04—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 with tubular conduits
    • F28D1/053—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 with tubular conduits the conduits being straight
    • F28D1/0535—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 with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • 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
    • F24D19/00—Details
    • F24D19/02—Arrangement of mountings or supports for radiators
    • 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
    • F24D19/00—Details
    • F24D19/02—Arrangement of mountings or supports for radiators
    • F24D19/0203—Types of supporting means
    • F24D19/0209—Supporting means having bracket
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/04—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular
    • F28F1/045—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular with assemblies of stacked elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
    • F28F9/10—Arrangements for sealing elements into header boxes or end plates by dismountable joints by screw-type connections, e.g. gland
    • 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
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/20—Heat consumers
    • F24D2220/2009—Radiators
    • F24D2220/2054—Panel radiators with or without extended convection surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F2009/0285—Other particular headers or end plates
    • F28F2009/0297—Side headers, e.g. for radiators having conduits laterally connected to common header

Definitions

  • the present invention relates to a radiator for heating rooms and the like and to a method for manufacturing it.
  • radiators which, by means of the circulation of heated water inside them, allow to maintain a temperature which is suitable for a comfortable habitat of the people that occupy the room.
  • radiators heat the room by convection, i.e., they heat a fluid which rapidly tends to cool when it is not heated any longer.
  • radiators are constructed so as to have air passages or air vents which, by flowing over the hot surfaces of the radiator, become warm as they rise and, by then cooling, descend back to the floor to be again drawn by the radiator and propelled upward.
  • conventional radiators are constituted by mutually adjacent connected bodies between which air can pass.
  • the radiator elements are mutually adjacent so that there is a distance between them. Such distance varies, depending on the models and brand, from a few millimeters to a few centimetres. This, together with the fact that they are commonly installed at an average distance of approximately 60 mm from the wall, facilitates the passage of the air in order to form an air vent between the back of the radiator and the wall. Such air vent is indispensable in order to trigger the phenomenon of convection.
  • the convective motion produced by those conventional radiators is generated to a large extent by the air that enters from the base, sides and gaps between the elements and which, by passing between the wall and the back of the radiator, becomes warm and then exits from above, and also by the air that flows over the outer face of the radiator.
  • radiators In order to promote that phenomenon, almost all commercially available radiators are fed with water at temperatures adapted to provide a difference in temperature, between the heating element and the room, of approximately 50°C.
  • radiators are provided with elements which are adjacent and installed so as to close the upper and lower parts. Such radiators allow air to flow in laterally, so as to take advantage of the convective motion generated by its heating in the area behind the heating body comprised between the body and the wall. However, such radiators still fall short of reducing to a minimum the phenomenon of convection and of maximising radiation.
  • An example of a method for manufacturing a radiator is as follows.
  • the radiators have dimensions which can vary, depending on use, between 400 and 3000 mm in height, with variations of 200 mm and between 210 and 1400 mm in width with variations of 70 mm.
  • an aluminum panel is provided with a manifold for the passage of water which is also designed to act as a mechanical connection, i.e., keeps the various elements joined, connecting the manifold to the elements by insertion from above.
  • the aim of the present invention is to provide a radiator for heating rooms and the like which allows to minimize the effect of convection and to use mainly heating by radiation.
  • an object of the invention is to provide a radiator which can be manufactured by means of an economically advantageous production method which also ensures a finished product with high-level technical characteristics.
  • a further object of the present invention is to provide a radiator which can replace the conventional radiators provided in rooms at present.
  • a further object of the invention is to provide a radiator which allows to raise the temperature of the walls of the room in order to reduce the thermal difference between the temperature of the walls and the temperature of the human body.
  • a further object is to provide a radiator which allows to obtain maximum comfort for the persons with the lowest possible energy expenditure.
  • a radiator according to the invention comprises a plate member 22 which is constituted by a plurality of flat pipes or elements 2, which are joined so as to form a flat surface without gaps between the elements.
  • the plate member is fed by manifolds 3 and 4 which are arranged so as to enclose, in an upper and lower region, the space between the plate member and a wall 5 within which the plate member 22 is rested, so as to close the vent which normally forms between the radiator and the wall.
  • the radiator according to the invention has side strips 6 and 7, which are arranged so as to laterally close the space between the plate member 22 and the wall 5 against which the plate member 22 is rested.
  • a sort of box element in which the front surface is formed by the plate member 22, the upper and lower surfaces are formed respectively by the manifolds 3 and 4, and the lateral surfaces are formed by the side strips 6 and 7.
  • the plate member is completed by the face 5 of the wall, which acts as a rear face of the box element.
  • the non-radiating panel may be constituted by an aluminium film or by a panel made of an insulating material, for example polyurethane, which can in any case be covered by an aluminum film.
  • the radiator according to the invention is conceived to minimize the emission of energy, other than radiating energy, and also to minimize the emission of energy toward the back of the panel, i.e., in an area which is completely closed and therefore useless in energy terms.
  • the only convective motion produced by the radiator according to the invention is provided by the air that flows over the outer face of the plate member 22, because the convection caused by the flow of the air between the plate member 22 and the wall face is eliminated completely by closing the plate member 22 against the wall face 5.
  • the supply unions and the valves are arranged inside the plate member 22, between the plate member 22 and the face 5 of the wall, and can be reached for example by means of a hole which is provided at one of the side strips 6 and 7, or by means of the simple removal of the side strips, if they have been fixed to the plate by permanent magnets.
  • the radiator is preferably designed to work at a supply temperature which provides a difference in temperature between the radiator and the environment of 25-30 °C, in order to provide even less incentive for the convective effect on the front part of the radiator and thus further improve its energy efficiency.
  • the radiator 1 is manufactured with a manufacturing method such that the plate member 22 can be assembled in a modular fashion by mating profiles to be assembled by means of a final joint, not by welding but mechanically.
  • the manufacturing method of the radiator according to the present invention comprises the initial provision of the radiator elements, each of which is obtained by cutting to size a flat pipe 31 and applying to the ends two covers 32.
  • the covers 32 can be easily applied by automated systems, for example by robotized welding, or by any other system deemed suitable.
  • Fastening members shaped like elongated strips 35 or plates 36, provided with equidistant holes, or strips 361 or bolts 362, are then applied in a position which is suitable to ensure the subsequent tightness of the article.
  • the completed radiator elements 2 are arranged laterally adjacent, as shown in Figure 10, and are locked by means of strips 50 in order to be associated with the upper manifold 3 and with the lower manifold 4.
  • the manifolds 3 and 4 are provided beforehand with a series of holes 37 and fins 38 for the connection of threaded elements 39 which are suitable to be engaged in the holes 40 of the fastening members 35, 36, 361 or also for the connection of bolts which are suitable to be engaged within the holes 40 of the fastening members 362.
  • a bush 41 is applied in each hole 37 of the manifolds for acting as a temporary support for a gasket 42, which, when the threaded elements 39 are tightened, is packed between the surface of the manifold and the surface of the radiator, providing a hermetic connection.
  • the elements 2 are applied to the manifolds 3 and 4 by means of a special gasket 142 constituted by a thick portion 141, adapted to engage the hole 34 of the element 2, and a flat portion 143 provided with an annular ridge 144 which provides the seal between the facing surfaces of the manifolds 3 and 4 and of the element 2.
  • a special gasket 142 constituted by a thick portion 141, adapted to engage the hole 34 of the element 2, and a flat portion 143 provided with an annular ridge 144 which provides the seal between the facing surfaces of the manifolds 3 and 4 and of the element 2.
  • the gasket can be kept in position by a seat formed within the water passage hole both in the radiator element and in the manifold or only in the radiator element or only in the manifold.
  • brackets 51 for anchoring to the wall.
  • Additional fastening members 43 can be applied in intermediate positions on the radiator elements 2 in order to constitute supports for fastening brackets for connection to the wall.
  • the radiating plate is ready to be installed and, once the plate has been fastened to the wall 5, the side strips 6 and 7 and the upper strips, not shown in the figures, are positioned by means of screws, clips or magnetic elements 53, as shown schematically in Figures 23 and 24.
  • FIGS 29 and 30 schematically show a preferred system for connecting the radiator according to the invention to the inlet and outlets of the water feed system.
  • the radiator elements can be provided in different heights, but the radiator elements can be associated in a different number to provide a plate member of the chosen width.
  • radiators In practice, with a limited number of radiator elements of different height and of manifolds of different length it is possible to provide radiators of widely different sizes, adapting them easily to the specific requirements.
  • Heating methods are intended to compensate for the heat dispersion of enclosed spaces in order to maintain a preset degree of thermal comfort.
  • two different heating techniques have been developed which use heat transmission by convection and by radiation respectively.
  • the difficulty of dealing with heating consists in keeping the person within a very specific "climate” region, which is indicated by a chart known as "Bedford-Bachman optimum living comfort curve".
  • radiation facilitates minimal stratification, i.e., 0.6 °C per meter of height of the rooms, as opposed to 1.6 °C per meter of height of normal convection systems, and a more efficient distribution of the temperatures avoids energy waste, and since, as is well-known, a reduced heating of the air corresponds to a reduced dehumidification, radiation meets the two fundamental parameters of comfort, i.e., humidity and temperature.
  • the radiator according to the present invention it is possible to raise the temperature of the walls of the room in order to reduce the heat differential between their temperature and the temperature of the human body. This is possible by using radiation as a heat transmission source. By increasing the average radiating temperature of the walls, the radiation increases the average functional temperature and therefore brings the radiated room to the maximum comfort with the minimum possible energy expenditure.
  • Radiation is achieved, according to the invention, by a radiator which, by virtue of its shape, limits convection to a minimum, i.e., is affected by convection only as a secondary phenomenon of the flow of air over the face of the radiator.
  • the radiator according to the present invention allows to heat mainly by radiation, substantially limiting to a minimum any heating due to convective motion.
  • the plate member is provided monolithically with a series of flat pipes, which are joined so as to leave no gaps, avoiding injuries to the hands since it is not possible to insert ones fingers and therefore suffer torsion, compression or crushing traumas.
  • the radiator according to the present invention protrudes very little from the wall, i.e. the radiator is rather flat when compared to conventional radiators, which is a substantial advantage in small rooms.
  • the materials used, as well as the dimensions, may of course be any according to the requirements and the state of the art.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geometry (AREA)
  • Central Heating Systems (AREA)
EP07018048A 2006-09-15 2007-09-14 Radiateur avec pièces de chauffage et similaires, et son procédé de fabrication Withdrawn EP1906103A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20061756 ITMI20061756A1 (it) 2006-09-15 2006-09-15 Elemento radiante,particolarmente per il riscaldamento di ambienti interni e simili,e metodo per la sua fabbricazione

Publications (1)

Publication Number Publication Date
EP1906103A1 true EP1906103A1 (fr) 2008-04-02

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EP07018048A Withdrawn EP1906103A1 (fr) 2006-09-15 2007-09-14 Radiateur avec pièces de chauffage et similaires, et son procédé de fabrication

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EP (1) EP1906103A1 (fr)
IT (1) ITMI20061756A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112728618A (zh) * 2020-12-24 2021-04-30 中国建筑第八工程局有限公司 管槽式对流散热器的固定装置及其施工方法
CN112797476A (zh) * 2019-11-14 2021-05-14 大连久鼎设备制造有限公司 一种用于室内和相似环境供暖的辐射元件
US20240426560A1 (en) * 2021-09-24 2024-12-26 Sogefi Air & Cooling Device for dispensing heat-transfer fluid

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2601175A1 (de) * 1975-01-16 1976-07-22 Vmw Ranshofen Berndorf Ag Radiator
FR2298076A1 (fr) * 1975-01-16 1976-08-13 Vmw Ranshofen Berndorf Ag Radiateur pour le chauffage
GB2031577A (en) * 1978-07-11 1980-04-23 Johnson C Insulated heat shield and convector unit
EP0179647A2 (fr) * 1984-10-22 1986-04-30 Brian Francis Mooney Echangeurs de chaleur à panneaux

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2601175A1 (de) * 1975-01-16 1976-07-22 Vmw Ranshofen Berndorf Ag Radiator
FR2298076A1 (fr) * 1975-01-16 1976-08-13 Vmw Ranshofen Berndorf Ag Radiateur pour le chauffage
GB2031577A (en) * 1978-07-11 1980-04-23 Johnson C Insulated heat shield and convector unit
EP0179647A2 (fr) * 1984-10-22 1986-04-30 Brian Francis Mooney Echangeurs de chaleur à panneaux

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112797476A (zh) * 2019-11-14 2021-05-14 大连久鼎设备制造有限公司 一种用于室内和相似环境供暖的辐射元件
CN112728618A (zh) * 2020-12-24 2021-04-30 中国建筑第八工程局有限公司 管槽式对流散热器的固定装置及其施工方法
CN112728618B (zh) * 2020-12-24 2023-02-28 中国建筑第八工程局有限公司 管槽式对流散热器的固定装置及其施工方法
US20240426560A1 (en) * 2021-09-24 2024-12-26 Sogefi Air & Cooling Device for dispensing heat-transfer fluid

Also Published As

Publication number Publication date
ITMI20061756A1 (it) 2008-03-16

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