EP1884721B1 - Radiateur pour le chauffage d'une pièce - Google Patents

Radiateur pour le chauffage d'une pièce Download PDF

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Publication number
EP1884721B1
EP1884721B1 EP07013255.0A EP07013255A EP1884721B1 EP 1884721 B1 EP1884721 B1 EP 1884721B1 EP 07013255 A EP07013255 A EP 07013255A EP 1884721 B1 EP1884721 B1 EP 1884721B1
Authority
EP
European Patent Office
Prior art keywords
radiator
header
previous
connection duct
emitters
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.)
Active
Application number
EP07013255.0A
Other languages
German (de)
English (en)
Other versions
EP1884721A3 (fr
EP1884721A2 (fr
Inventor
Giuseppe De' Longhi
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.)
Dl Radiators Srl
Original Assignee
DL RADIATORS SpA
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Publication date
Application filed by DL RADIATORS SpA filed Critical DL RADIATORS SpA
Priority to PL07013255T priority Critical patent/PL1884721T3/pl
Publication of EP1884721A2 publication Critical patent/EP1884721A2/fr
Publication of EP1884721A3 publication Critical patent/EP1884721A3/fr
Application granted granted Critical
Publication of EP1884721B1 publication Critical patent/EP1884721B1/fr
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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
    • 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
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D13/00—Electric heating systems
    • F24D13/04—Electric heating systems using electric heating of heat-transfer fluid in separate units of the system
    • 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
    • F24D19/0002—Means for connecting central heating radiators to circulation pipes
    • F24D19/0073—Means for changing the flow of the fluid inside a radiator
    • 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
    • F28D1/0226—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 an intermediate heat-transfer medium, e.g. thermosiphon 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
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/20—Heat consumers
    • F24D2220/2009—Radiators
    • F24D2220/2045—Radiators having horizontally extending tubes
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0035—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for domestic or space heating, e.g. heating radiators
    • F28D2021/0036—Radiators for drying, e.g. towel radiators

Definitions

  • the present invention relates to a radiator for heating a room.
  • a traditional electrical radiator in particular in the field of interior furnishing, for example bathroom, kitchen, dining room furnishing, etc., generally comprises a series of emitters arranged between two headers to which they are connected by calibrated passages.
  • the technical task of the present invention therefore is to provide a designer radiator for heating a room which should allow eliminating the aforementioned technical disadvantages of the prior art.
  • an object of the invention is to provide a designer radiator for heating a room capable of establishing a natural circulation which should allow quickly removing the thermal power generated by the electrical resistance and quickly transferring it to the emitters.
  • Another object of the invention is to provide a radiator for heating a room which should allow even distribution of the thermal power on the radiator surface.
  • Another object of the invention is to provide a radiator for heating a room which should exhibit a short transient for reaching the steady operating condition.
  • Another object of the invention is to provide a radiator for heating a room which should allow adopting high powers and specific loads.
  • a further object of the invention is to provide a radiator of the type with independent electrical operation or a radiator of the type with mixed operation, that is, an electrical radiator integrated in a centralised or independent heating system and capable of operating, besides electrically, also with the hot water supplied by the system.
  • a further object of the invention is to provide a radiator provided with closed wet side walls adapted for favouring a better convective dissipation of the air by chimney effect.
  • Another object of the invention is to provide a radiator for heating a room which should be inexpensive, constructively simple and aesthetically very remarkable.
  • radiator for heating a room for example a bathroom towel warmer, globally indicated with reference numeral 1.
  • Radiator 1 comprises electrical heating means, in particular an electrical resistance 3, adapted for generating a natural circulation of a thermal carrier fluid.
  • Radiator 1 further comprises a first header 4, a second header 5 and a series of emitters 6 each connected to the first header 4 with partial flow passage and to the second header 5 with partial flow passage.
  • connection way between each emitter 6 and the first header 4 is obtained by coupling one or more calibrated holes 9 of emitter 6 to one or more corresponding calibrated holes 10 of the first header 4 and accordingly, the connection way between each emitter 6 and the second header 5 is obtained by coupling one or more calibrated holes 12 of emitter 6 to one or more corresponding calibrated holes 11 of the second header 5.
  • radiator 1 also comprises a first duct 13 and respectively a second duct 14 each having a connection way 15 and respectively 16 to the first header 4 with total flow passage and a connection way 17 and respectively 18 to the second header 5 with total flow passage.
  • the first header 4, the first connection duct 13, the second header 5 and the second connection duct 14 are arranged externally to emitters 6 forming a peripheral circuit ring wherein a preferential fluid circulation is established.
  • said circuit ring exhibits a quadrangle configuration of which the first header 4, the first connection duct 13, the second header 5, and the second connection duct 14 make a corresponding side.
  • the quadrangle circuit ring exhibits two vertical sides and two horizontal sides.
  • first and the second connection duct 13 and 14 are vertical straight tubes whereas the first and the second header 4 and 5 are horizontal straight tubes.
  • first and the second connection duct 13 and 14 are straight tubes arranged horizontally whereas the first and the second header 4 and 5 are straight tubes arranged vertically.
  • Headers 4 and 5 exhibit circular cross section whereas the first and the second connection duct 13 and 14 exhibit polygonal cross section (rectangular, as illustrated, but also trapezoidal, triangular with right angle and hypotenuse or rectilinear or concave or convex).
  • Emitters 6 are of the flat blade type, and are arranged in a single array (as shown) or in two different arrays provided at diametrically opposite sides relative to headers 4 and 5.
  • emitters 6 may be round or with a different shape.
  • dry convection finned surfaces may be applied to emitters 6 for improving the thermal exchange.
  • the electrical resistance 3 comprises a support and sealing base 22 that fixes into hole 21 and a longitudinal heating body 23 that develops parallel and internally to the first connection duct 13.
  • thermostat 19 is applied laterally (or at the bottom) on the first vertical connection duct 13 for controlling the electrical resistance 3.
  • Thermostat 10 in the various admissible positions is shown with a dashed line in figure 1 .
  • thermostat 19 The correct and easy positioning of thermostat 19 is laterally favoured by the flat surface for the support thereof offered by the first connection duct 13.
  • a dry raceway 20 Adjacent the base of the vertical side of the peripheral circuit ring where the electrical resistance 3 is there is obtained a dry raceway 20 for the protected and hidden passage of electrical cables, for example cables for supplying the electrical resistance 3 and/or thermostat 19.
  • header 5 exhibits bushes 30 for charging the thermal carrier fluid (closable by a cap not shown) and for the connection to the system if the radiator is of the mixed operation type.
  • radiator 1 may be both of the type with independent electrical operation and of the type with mixed operation, that is, an electrical radiator integrated in a centralised or independent heating system and capable of operating, besides electrically, also with the hot water supplied by the system.
  • radiator according to the invention clearly appears from what described and illustrated, and in particular it substantially is as follows.
  • the thermal carrier fluid heats up to the maximum temperature thereof at the medium-lower portion of the first connection duct 13 and the convective flow that generates goes up along the first duct 13 from which it passes inside the first header 4 through the passage way 15.
  • the flow that runs in the first header 4 feeds the emitters 6 it runs into and the flow fraction remaining downstream of the last emitter 6 entirely enters the second connection duct 14 through the passage way 16, and hence it passes entirely to the second header 5 through the passage way 18.
  • the flow that runs in the second header 5 feeds the emitters 6 it runs into and the flow fraction remaining downstream of the last emitter 6 entirely enters the first connection duct 13 through passage 17.
  • the bottom feeding of emitters 6 is made possible by the fact that the thermal carrier fluid has undergone a marginal or modest cooling when it reaches the second header 5.
  • the high rate circulation in the peripheral circuit ring quickly removes the thermal power produced by the electrical resistance 3 and quickly puts emitters 6 in communication both at their top and at their bottom.
  • the high rate circulation allows the thermal carrier fluid to run through the entire peripheral circuit ring without undergoing an excessive temperature drop.
  • thermal exchange efficiency is optimised for the fact that a part of the thermal exchange between the thermal carrier fluid and the ambient air, in particular the thermal exchange carried out at the second connection duct 14, takes place in backflow and considerably favours the air convection by chimney effect.
  • the electrical resistance usable in various types may exhibit the longitudinal heating body 23 arranged along a vertical side, as shown, or horizontal in the circuit ring, or inside header 5 of figure 1 .

Landscapes

  • 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)
  • Central Heating Systems (AREA)
  • Resistance Heating (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)

Claims (13)

  1. Radiateur (1) destiné à chauffer une pièce, comportant des moyens de chauffage électriques adaptés pour générer une circulation naturelle d'un fluide caloporteur, un premier collecteur (4) dudit fluide, un second collecteur (5) dudit fluide et une série d'émetteurs (6), chacun relié audit premier collecteur (4) avec un passage d'écoulement partiel au moyen d'un ou plusieurs trous calibrés (9, 10) respectifs et audit second collecteur (5) avec un passage d'écoulement partiel au moyen d'un ou plusieurs trous calibrés (11, 12) respectifs et comportant en outre une première (13) et une seconde (14) conduite, chacune reliée audit premier collecteur (4) avec un passage d'écoulement total et audit second collecteur (5) avec un passage d'écoulement total, dans lequel ledit premier collecteur (4), ladite première conduite de liaison (13), ledit second collecteur (5) et ladite seconde conduite de liaison (14) sont agencés extérieurement à ladite série d'émetteurs (6) et forment un circuit annulaire périphérique dans lequel une circulation de fluide préférentielle est établie.
  2. Radiateur (1) selon la revendication 1, caractérisé en ce que ledit circuit annulaire présente une configuration quadrangulaire dont ledit premier collecteur (4), ladite première conduite de liaison (13), ledit second collecteur (5) et ladite seconde conduite de liaison (14) constituent un côté correspondant.
  3. Radiateur (1) selon la revendication 1 ou 2, caractérisé en ce que ledit circuit annulaire présente deux côtés horizontaux et deux côtés verticaux.
  4. Radiateur (1) selon une ou plusieurs des revendications précédentes, caractérisé en ce que ladite première conduite de liaison (13), ladite seconde conduite de liaison (14), ledit premier collecteur (4) et ledit second collecteur (5) sont des tubes droits.
  5. Radiateur (1) selon une ou plusieurs des revendications précédentes, caractérisé en ce que lesdits premier (4) et second (5) collecteurs présentent une section transversale circulaire.
  6. Radiateur (1) selon une ou plusieurs des revendications précédentes, caractérisé en ce que lesdites première (13) et seconde (14) conduites de liaison présentent une section transversale polygonale.
  7. Radiateur (1) selon une ou plusieurs des revendications précédentes, caractérisé en ce que lesdits émetteurs (6) sont du type à lame plate.
  8. Radiateur (1) selon une ou plusieurs des revendications précédentes, caractérisé en ce que lesdits émetteurs (6) sont agencés en un ou plusieurs réseaux positionnés de manière diamétralement opposée par rapport auxdits premier (4) et second (5) collecteurs.
  9. Radiateur (1) selon une ou plusieurs des revendications précédentes, caractérisé en ce que des surfaces à ailettes sèches sont appliquées auxdits émetteurs (6) pour améliorer l'échange thermique.
  10. Radiateur (1) selon une ou plusieurs des revendications précédentes, caractérisé en ce que lesdits moyens de chauffage électriques comportent une résistance électrique (3) comportant un corps de chauffage longitudinal (23) qui se développe le long d'un côté dudit circuit annulaire périphérique.
  11. Radiateur (1) selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'au voisinage de la base dudit côté dudit circuit annulaire périphérique où ladite résistance électrique (3) est présente, un chemin de câbles sec (20) est obtenu pour le passage protégé et masqué de câbles électriques.
  12. Radiateur (1) selon une ou plusieurs des revendications précédentes, caractérisé en ce que ledit côté dudit circuit annulaire périphérique où ladite résistance électrique (3) est présente, comprend une surface de support plane pour un thermostat (10) pour commander ladite résistance électrique (3).
  13. Radiateur (1) selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il est du type à fonctionnement électrique indépendant ou à fonctionnement mixte.
EP07013255.0A 2006-08-04 2007-07-06 Radiateur pour le chauffage d'une pièce Active EP1884721B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07013255T PL1884721T3 (pl) 2006-08-04 2007-07-06 Grzejnik do ogrzewania pomieszczenia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT001579A ITMI20061579A1 (it) 2006-08-04 2006-08-04 Radiatore per il riscaldamento di un ambiente

Publications (3)

Publication Number Publication Date
EP1884721A2 EP1884721A2 (fr) 2008-02-06
EP1884721A3 EP1884721A3 (fr) 2010-10-06
EP1884721B1 true EP1884721B1 (fr) 2015-05-27

Family

ID=38751499

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07013255.0A Active EP1884721B1 (fr) 2006-08-04 2007-07-06 Radiateur pour le chauffage d'une pièce

Country Status (3)

Country Link
EP (1) EP1884721B1 (fr)
IT (1) ITMI20061579A1 (fr)
PL (1) PL1884721T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2945107B1 (fr) * 2009-05-04 2011-04-22 Atlantic Industrie Sas Radiateur electrique a fluide caloporteur forme d'elements modulaires moules
FR2945106B1 (fr) * 2009-05-04 2011-04-22 Atlantic Industrie Sas Element modulaire pour radiateur a fluide caloporteur et radiateur electrique constitue d'au moins un tel element
WO2012136229A2 (fr) * 2011-04-05 2012-10-11 König, Christel Corps chauffant à éléments
GR1008204B (el) * 2013-02-14 2014-05-27 Ελευθεριος Ευαγγελου Σχοινας Μεθοδος αυτονομησης σωματος καλοριφερ και συσκευη μικρολεβητα
CN104595970A (zh) * 2013-10-31 2015-05-06 关德鑫 节能对流式加热装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR922393A (fr) * 1946-02-15 1947-06-06 Dispositif de chauffage électrique pour radiateurs à eau
ES458660A1 (es) * 1976-05-14 1978-07-01 Brapal Sa Perfeccionamientos introducidos en los sistemas de calefac- cion central.
CH683126A5 (de) * 1991-06-25 1994-01-14 Runtal Holding Co Sa Heizrohr zur Bildung einer Heizwand.
FR2842286A1 (fr) * 2002-07-09 2004-01-16 Herve Duplessy Dispositif de micro chaudiere electrique adaptable pour que chaque radiateur a fluide possede une autonomie totale
BE1015775A3 (fr) * 2003-11-07 2005-08-02 Defx S A Radiateur.

Also Published As

Publication number Publication date
PL1884721T3 (pl) 2015-11-30
ITMI20061579A1 (it) 2008-02-05
EP1884721A3 (fr) 2010-10-06
EP1884721A2 (fr) 2008-02-06

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