EP2034264B1 - Baumartiger Heizkörper zum Trocknen von Handtüchern mit optimierter Flüssigkeitszirkulation - Google Patents

Baumartiger Heizkörper zum Trocknen von Handtüchern mit optimierter Flüssigkeitszirkulation Download PDF

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Publication number
EP2034264B1
EP2034264B1 EP08290821.1A EP08290821A EP2034264B1 EP 2034264 B1 EP2034264 B1 EP 2034264B1 EP 08290821 A EP08290821 A EP 08290821A EP 2034264 B1 EP2034264 B1 EP 2034264B1
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EP
European Patent Office
Prior art keywords
heating tube
radiator
orifices
orifice
collecting
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
EP08290821.1A
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English (en)
French (fr)
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EP2034264A3 (de
EP2034264A2 (de
Inventor
Noël Lecommandeur
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.)
Atlantic Industrie SAS
Original Assignee
Atlantic Industrie SAS
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
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Publication of EP2034264A2 publication Critical patent/EP2034264A2/de
Publication of EP2034264A3 publication Critical patent/EP2034264A3/de
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Publication of EP2034264B1 publication Critical patent/EP2034264B1/de
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Classifications

    • 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
    • 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
    • F28D1/05375—Assemblies of conduits connected to common headers, e.g. core type radiators with particular pattern of flow, e.g. change of flow direction
    • 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
    • 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 towel-type heat sink radiator arborescent type.
  • Electric towel warmers heat transfer fluid of a widespread type most often consist of a plurality of heating rods (cylindrical or blades) substantially horizontal in which circulates said fluid.
  • each bar is connected, at each of its ends, to two generally vertical collectors which are on the one hand a pipe for the arrival of hot fluid in the bars and on the other hand a coolant collection line.
  • the coolant is heated by an immersion heater type electric heater disposed in the lower portion of the heated fluid distribution line. This fluid circulates in a closed loop in the assembly formed by these bars and pipes constituting the radiator.
  • connection tubes or connection called "cigars” for connecting the distal ends of some of the heating tubes together.
  • the heat transfer fluid is thus forced to flow from a heating tube to at least one tube heating adjacent through this "cigar".
  • a "cigar" 20 connects each group of three heating tubes 4.
  • One of the aims of the present invention is to propose a simplified manufacturing of the heating tubes, in order to reduce the cost price of the towel-drying radiator, without reducing the thermal performance of said radiator.
  • Another object of the present invention is to provide a design of the constituent elements of the radiator for the realization of various aesthetic structures while maintaining the tree shape of these towel warmers.
  • the present invention relates to a radiator-type heated towel rail circulating inside substantially horizontal heating tubes, each heating tube being connected on the one hand to a heated fluid distribution line, by via an inlet orifice disposed opposite a dispensing orifice formed in the wall of the distribution pipe, and on the other hand to a pipe for collecting the cooled fluid, by the intermediate an outlet orifice formed in the wall of the collection pipe, arranged opposite a collection orifice, the at least one distribution and collection duct (s) forming a fixing amount (s).
  • heating tubes characterized in that the distribution and collection lines are arranged close to each other, leaving at least one end of the heating tubes free, and in that each heating tube is shaped by allelepiped and comprises a single internal chamber, without partitioning, in which circulates the heat transfer fluid, the inlet orifice and the fluid outlet orifice in each heating tube being arranged at different heights.
  • the inlet orifice and the outlet orifice of each heating tube are formed near the same end of said heating tube.
  • the other end of the heating tube is free, and can thus serve as a towel holder by lateral introduction between said free ends of the tubes.
  • the inlet orifice and the outlet orifice of each heating tube are formed at the central zone of said heating tube.
  • the radiator comprises two separate conduits, one for the distribution of the heated fluid and the other for the collection of the cooled fluid, these two pipes forming the amounts of said radiator.
  • the distribution and collection lines form a double chamber tubular element, constituting a single amount; thus for example the first chamber is the distribution line of the heated fluid and the second chamber is the collection line of the cooled fluid.
  • the distribution and collection lines are merged over their entire length, forming a common (that is to say, non-compartmentalized) pipe and constituting a single amount.
  • a common that is to say, non-compartmentalized
  • the inlet port of the heat transfer fluid in the tube heating is then one which is located above the heating resistor or the arrival of hot fluid from the central heating pipe.
  • the diameter of the inlet ports of the tubes is substantially identical regardless of the heating tube.
  • the diameter of the outlet orifices of the tubes is substantially identical regardless of the heating tube.
  • the position of the respective orifices provided in the walls of each heating tube is substantially identical regardless of the heating tube.
  • all the heating tubes are identical to each other with respect to the position of the orifices and their diameter. Their manufacture and handling is thus facilitated for the assembly of the radiator.
  • the inlet and outlet ports of the heating tubes have a diameter greater than or equal to the diameter of the distribution orifices and the collection orifices of said distribution and collection lines.
  • the orifices in the walls of the distribution and collection pipes are of variable size, the diameters of the orifices arranged in the upper part of the radiator being for example smaller than the orifices arranged in the lower part of the radiator.
  • the towel radiator according to the present invention is arborescent type. Unlike ladder-type towel radiators, it has a single upright 3 serving as a support for substantially horizontal heating tubes 4.
  • the radiator 1 comprises a single lateral amount 3, the heating tubes being fixed on this upright 3 at one of their ends, leaving free the second end of the tube to arrange the towels.
  • the radiator 2 comprises a single central upright 3, the heating tubes 4 being fixed to this upright at their central zone, leaving the two ends of the tubes free to serve as a towel rail.
  • the horizontal heating tubes that support the towels are mounted cantilever on this amount.
  • the installation of the towels is easy because it is possible to arrange them on the heating tubes by sliding them laterally.
  • the heating tubes 4 themselves are made in the form of hollow blades of rectangular section. One of the long sides of the blade constitutes the face of application of said blade against the distribution and collection lines forming amount; the inlet and outlet ports of the fluid in the heating blade are formed in said face of application.
  • the heat transfer fluid of the radiator circulates the heat transfer fluid of the radiator.
  • This coolant circulating in closed loop can be heated by means of a heater-type resistor 9, connected to a power supply 10 placed in the lower part of the upright 3.
  • the heat-transfer fluid can be obtained from an installation central heating.
  • the heat transfer fluid arrives at the level of the heating tubes 4 by a hot fluid distribution line and leaves the heating tubes via a cooled fluid collection line.
  • the distribution and collection lines form a common pipe and constitute the amount 3 of the radiator.
  • the coolant leaves this common pipe through an orifice 6 formed in the latter and enters the heating tube 4 through an inlet port 5.
  • the cooled heat transfer fluid leaves the heating tube 4 through an orifice 7 formed in said heating tube and joined the pipe forming the upright 3 through the orifice 8 formed in said pipe vis-à-vis the orifice 7.
  • the heating tube 4 is also completely hollow and has no deflection means or compartment that would force the fluid to perform a particular trajectory inside the latter, except natural convection.
  • the orifices 5 and 7 formed in the heating tube are of diameter equal to or greater than those of the orifices 6, 8 formed in the pipe forming the upright 3.
  • the fluid passage section conditioned by the smallest diameter
  • the orifices of the heating tubes remaining unchanged and advantageously all identical.
  • the distribution pipe 11 and the collection pipe 12 are disjoint, placed close to each other, so as to constitute together the support upright of the heating tube 4.
  • the distribution and collection pipes may be of various shaped section, for example cylindrical, oval or rectangular. For aesthetic reasons, they are preferably placed at the rear of the heating tubes 4 constituting the actual facade of the towel radiator.
  • the heating tube 4 is a parallelepipedal blade, the orifices 5 and 7 or 13 and 15 being provided at different heights, namely the inlet orifices 5 and 13 of the hot fluid are placed higher than the outlet orifices 7 and So as to allow the natural convection of the fluid within the volume of the blade; the hot fluid enters the blade through the upper orifice 5 or 13, heats the upper part of the blade, then descends to the lower part of the blade as it cools and the cooled fluid leaves the blade by the orifice 7 or 15.
  • the figure 7 is a radiator of the prior art in which the coolant is forced to travel a longitudinal path within each blade in a predefined direction and in one direction.
  • the distal ends of the blades are here interconnected by connection tubes called "cigars" 20 so as to force the fluid through a blade and an adjacent blade before returning to the collection line.
  • the "cigar" collecting tubes 20 are absent and each blade is connected, at one of its ends, on the one hand to the distribution pipe 11 and on the other hand to the collection pipe 12.
  • the radiator is electrically operated, the heat transfer fluid is heated by a heating resistor arranged in the lower part of the distribution pipe 11 and circulates in a closed circuit throughout the radiator, formed by the heating tubes 4 and the distribution pipes 11 and collection 12.
  • the diameters of the orifices whether inlet or outlet ports in the heating tubes 4, and inlet or outlet of the collection tubes, all had identical diameters of 6 mm.
  • the maximum temperature was 75 ° C whereas for the device of the figure 8 according to the present invention, the maximum temperature reached was slightly lower, namely 72.1 ° C.
  • ⁇ T ie the difference in temperature between the hottest point and the coldest point in well-defined zones, measured at three different heights, according to the NF Electricotti Performance Category C specifications of LCIE (Central Laboratory of Electrical Industries) has revealed that this ⁇ T was 24 ° C for the radiator according to the prior art while it is 19.9 ° C for the apparatus according to the present invention.
  • the apparatus according to the present invention has a temperature that is equivalent, or even more homogeneous in certain cases, as visible on the schematic isotherms on the Figures 7 and 8 .
  • the rise time it was 12 minutes for the apparatus of the prior art whereas it is only 8 minutes for the apparatus according to the present invention. It can therefore be seen that the coolant circulates more rapidly in all of the heating tubes and allows a faster rise in temperature than with the radiators of the prior art for which the heat transfer fluid is forced to traverse determined paths in one direction. or in the other of the heating tube.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Drying Of Solid Materials (AREA)

Claims (11)

  1. Heizkörper zum Trocknen von Handtüchern mit Baumstruktur und Wärmeträgerfluid, das im Innern von etwa horizontalen Heizrohren (4) zirkuliert, wobei jedes Heizrohr (4) zum einen mit einer Verteilerleitung (11) des erwärmten Fluids über eine Eingangsöffnung (5, 13), die gegenüber einer Verteilungsöffnung (6, 14) angeordnet ist, die in der Wand der Verteilerleitung (11) ausgebildet ist, und zum anderen mit einer Sammelleitung (12) des abgekühlten Fluids über eine Ausgangsöffnung (7, 15), die in der Wand der Sammelleitung (12) ausgebildet ist, die gegenüber einer Sammelöffnung (8, 16) ausgebildet ist, verbunden ist, wobei die Verteiler- und Sammelleitung(en) Befestigungspfosten (3) der Heizrohre (4) bilden, wobei die Verteiler- (11) und Sammelleitungen (12) in der Nähe zueinander angeordnet sind, wobei mindestens eines der Enden der Heizrohre (4) freigelassen wird,
    dadurch gekennzeichnet, dass jedes Heizrohr (4) eine parallelepipedische Form hat und eine einzige innere Kammer ohne Unterteilung aufweist, in welcher das Wärmeträgerfluid zirkuliert, wobei die Eingangsöffnung (5, 13) und die Ausgangsöffnung (7, 15) des Fluids in jedes Heizrohr (4) in unterschiedlichen Höhen angeordnet sind.
  2. Heizkörper nach Anspruch 1,
    dadurch gekennzeichnet, dass die Eingangsöffnung (5, 13) und die Ausgangsöffnung (7, 15) jedes Heizrohrs (4) in der Nähe desselben Endes des Heizrohrs (4) ausgebildet sind.
  3. Heizkörper nach Anspruch 1,
    dadurch gekennzeichnet, dass die Eingangsöffnung und die Ausgangsöffnung jedes Heizrohrs (4) im Bereich der mittleren Zone des Heizrohrs (4) ausgebildet sind.
  4. Heizkörper nach einem der Ansprüche 1 bis 3,
    dadurch gekennzeichnet, dass die Eingangsöffnung (5, 13) des Wärmeträgerfluids in einer höheren Höhe als die Ausgangsöffnung (7, 15) des Fluids ausgebildet ist.
  5. Heizkörper nach einem der vorangehenden Ansprüche,
    dadurch gekennzeichnet, dass die Verteiler- (11) und Sammelleitungen (12) ein Doppelkammer-Rohrelement bilden, das einen einzigen Pfosten (3) darstellt.
  6. Heizkörper nach einem der Ansprüche 1 bis 4,
    dadurch gekennzeichnet, dass die Verteiler- (11) und Sammelleitungen (12) über ihre gesamte Höhe zusammenfallen, wobei sie eine gemeinsame Leitung bilden und einen einzigen Pfosten darstellen.
  7. Heizkörper nach einem der vorangehenden Ansprüche,
    dadurch gekennzeichnet, dass der Durchmesser der Eingangsöffnungen (5, 13) der Rohre (4) unabhängig vom Heizrohr (4) etwa identisch ist.
  8. Heizkörper nach einem der Ansprüche 1 bis 6,
    dadurch gekennzeichnet, dass der Durchmesser der Ausgangsöffnungen (7, 15) der Rohre (4) unabhängig vom Heizrohr (4) etwa identisch ist.
  9. Heizkörper nach einem der Ansprüche 7 und 8,
    dadurch gekennzeichnet, dass die Position der in die Wände jedes Heizrohrs (4) ausgebildeten Öffnungen unabhängig vom Heizrohr (4) etwa identisch ist.
  10. Heizkörper nach einem der vorangehenden Ansprüche,
    dadurch gekennzeichnet, dass die Eingangs- (5, 13) und Ausgangsöffnungen (7, 15) der Heizrohre (4) einen größeren oder identischen Durchmesser wie die Verteilungsöffnungen (6, 14) und die Sammelöffnungen (8, 16) der Verteiler- (11) und Sammelleitungen (12) haben.
  11. Heizkörper nach Anspruch 10,
    dadurch gekennzeichnet, dass die in den Wänden der Verteiler- (11) und Sammelleitungen (12) ausgebildeten Öffnungen variabler Größe sind, wobei die Durchmesser der Öffnungen, die im oberen Teil des Heizkörpers angeordnet sind, eine kleinere Größe haben als die Öffnungen, die im unteren Teil des Heizkörpers angeordnet sind.
EP08290821.1A 2007-09-05 2008-09-01 Baumartiger Heizkörper zum Trocknen von Handtüchern mit optimierter Flüssigkeitszirkulation Active EP2034264B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0706235A FR2920530B1 (fr) 2007-09-05 2007-09-05 Radiateur seche-serviettes arborescent a circulation de fluide optimisee

Publications (3)

Publication Number Publication Date
EP2034264A2 EP2034264A2 (de) 2009-03-11
EP2034264A3 EP2034264A3 (de) 2015-05-06
EP2034264B1 true EP2034264B1 (de) 2016-08-10

Family

ID=39271242

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08290821.1A Active EP2034264B1 (de) 2007-09-05 2008-09-01 Baumartiger Heizkörper zum Trocknen von Handtüchern mit optimierter Flüssigkeitszirkulation

Country Status (5)

Country Link
EP (1) EP2034264B1 (de)
ES (1) ES2600494T3 (de)
FR (1) FR2920530B1 (de)
PL (1) PL2034264T3 (de)
PT (1) PT2034264T (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2925374B1 (fr) * 2007-12-21 2010-05-28 San Martino Intermediate Holdi Procede de soudure d'elements tubulaires pour radiateur a fluide caloporteur et radiateur ainsi realise

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1551434A1 (de) * 1967-06-02 1970-04-02 Reiert Gmbh Aluminium Und Meta Waermeaustauscher
CH517279A (de) * 1969-12-18 1971-12-31 Von Roll Ag Wärmeaustauscher
CH644444A5 (de) * 1980-02-07 1984-07-31 Runtal Holding Co Sa Waermeaustauscher.
CH672951A5 (en) * 1987-07-14 1990-01-15 Arbonia Ag Heating radiator with flat tubes - has watertight sealing bridge pieces between tubes at manifolds welded by peripheral weld seam
DE8906829U1 (de) * 1989-06-03 1989-07-13 Platte, Friedrich Hermann Heizkörper für Badezimmer
DE9102102U1 (de) * 1991-02-22 1991-05-16 Platte, Friedrich Hermann Badezimmer-Heizkörper
DE4409767C2 (de) * 1994-03-22 1997-10-16 Runtal Holding Co Sa Heizkörper
DE29804716U1 (de) * 1998-03-16 1998-05-14 Schiffner, Erich, 01662 Meißen Heizkörper für Warmwasser- oder Dampfheizung
EP0962711A1 (de) * 1998-06-05 1999-12-08 Arbonia Ag Heizkörper
DE102005007182B3 (de) * 2005-02-14 2006-04-06 Arbonia Ag Heizkörper
DE202006016835U1 (de) * 2006-10-31 2007-01-04 Arbonia Ag Rohrheizkörper
DE202007003289U1 (de) * 2007-03-02 2007-05-10 Bemm Gmbh Heizkörper für eine Warmwasser-Heizungsanlage
FR2925374B1 (fr) * 2007-12-21 2010-05-28 San Martino Intermediate Holdi Procede de soudure d'elements tubulaires pour radiateur a fluide caloporteur et radiateur ainsi realise

Also Published As

Publication number Publication date
PT2034264T (pt) 2016-09-23
FR2920530B1 (fr) 2015-07-17
FR2920530A1 (fr) 2009-03-06
EP2034264A3 (de) 2015-05-06
PL2034264T3 (pl) 2017-02-28
EP2034264A2 (de) 2009-03-11
ES2600494T3 (es) 2017-02-09

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