EP2804516B1 - Handtuchtrocknungsstrahler mit mindestens einer handtuchstange mit eingebautem kühlkörper mit einem elektrischen heizkabel - Google Patents

Handtuchtrocknungsstrahler mit mindestens einer handtuchstange mit eingebautem kühlkörper mit einem elektrischen heizkabel Download PDF

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Publication number
EP2804516B1
EP2804516B1 EP13705828.5A EP13705828A EP2804516B1 EP 2804516 B1 EP2804516 B1 EP 2804516B1 EP 13705828 A EP13705828 A EP 13705828A EP 2804516 B1 EP2804516 B1 EP 2804516B1
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EP
European Patent Office
Prior art keywords
towel
bar
cable
heat sink
radiator according
Prior art date
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Active
Application number
EP13705828.5A
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English (en)
French (fr)
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EP2804516A1 (de
Inventor
Philippe Blouin
Arnaud Lancry
Raphaël VIENNET
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Texas de France SAS
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Texas de France SAS
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Publication date
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Publication of EP2804516A1 publication Critical patent/EP2804516A1/de
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/04—Towel racks; Towel rails; Towel rods; Towel rolls, e.g. rotatable
    • A47K10/06—Towel racks; Towel rails; Towel rods; Towel rolls, e.g. rotatable combined with means for drying towels
    • 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
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
    • F24H9/1863—Arrangement or mounting of electric heating means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
    • 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

Definitions

  • the subject of the invention is a towel radiator of which at least one towel bar incorporates a heat sink in which is housed a heating electric cord.
  • the invention relates to the general technical field of electric heating elements intended to be integrated in the towel bars of a towel radiator.
  • a towel radiator generally comprises at least one tubular towel rail typically made of a material having a good thermal conductivity such as steel or aluminum.
  • the radiator comprises a multitude of tubular towel bars arranged horizontally between vertical uprights. Each bar contains a heating electric cord arranged on all or most of the length of said bar. Thus, a wet towel disposed on a bar can be heated and dried quickly.
  • the latter is advantageous for the latter to be in contact with the body of the towel warmer, and more particularly with a towel bar.
  • the calories generated by the heating electric cord are thus quickly evacuated by the bar.
  • the cords are in simple linear contact with the inner wall of the bars. This results in a local temperature rise of the cords in areas where there is no contact. Since the flexible elastomer sheath of the heating cords has a low thermal conductivity, the areas of the cord which are not in contact with the inner wall of the bars undergo a rise in temperature which may approach or exceed the maximum authorized value. The aging of the superheated zones is then rapid and leads to a degradation of the insulating sheath and, ultimately, a loss of electrical insulation of the cord. In addition, there is also a strong rise in the temperature of the inner wall of the bar at the area of contact with the cord. The temperature reached locally may be higher than the recommended normal operating temperature of the bar and may therefore deteriorate the integrity of said bar.
  • the main objective of the invention is to remedy this state of affairs.
  • the object of the invention is to increase the service life of the electric heating cords used in a towel radiator.
  • Another object of the invention is to improve the transmission and distribution of heat between the electric heating cord and the towel bar.
  • Yet another object of the invention is to reduce the maximum temperature likely to be reached by the inner wall of the towel bar.
  • Another object of the invention is to provide a towel radiator whose design is simpler and faster assembly than the towel radiators known from the prior art.
  • the dissipator being in surface contact with the towel bar, the calories are removed quickly and homogeneously by said bar. Drying is therefore very effective.
  • the towel heater 1 comprises at least one towel bar 2 fixed horizontally on at least one post 3 and on which the items to be dried are placed.
  • the radiator 1 comprising a multitude of towel bars 2 fixed horizontally on at least one, preferably two, vertical uprights 3.
  • each bar 2 is advantageously assembled on the frame of two vertical uprights 3 of the radiator.
  • each towel bar 2 is in the form of a cylindrical tube open at each of its ends.
  • the tube may however be closed at one of its ends and its section may be square, rectangular, oval, polygonal, etc.
  • the bar 2 is preferably made of a heat conducting material, typically steel, cast iron or aluminum.
  • the bar 2 could however be made of a non-metallic material of the polymer or composite type. It encloses an electric heating cord 4 electrically insulated.
  • This cord 4 is of the type known to those skilled in the art, preferably formed by an electrical resistor surrounded by a double silicone-based flexible sheath. Its length substantially corresponds to that of the bar 2.
  • substantially is meant that the length of the cord 4 is equal to or slightly less, for example a few millimeters or a few centimeters, than that of the bar 2.
  • the outer diameter of the cord 4 is less than the inner diameter of the bar 2.
  • At least one end of the cord 4 terminates with an electrically insulated electrical cable 40 which allows its connection to the thermostat (not shown) attached to the radiator.
  • the cord 4 is housed inside the body of a heat sink 5.
  • the body of the latter is made of a heat conducting material.
  • the body of the dissipator 5 is configured so that all of the heating surface (i.e. the outer surface, except the end side surfaces) of the cord 4 is in contact with said body.
  • the housing of the dissipator 5 inside which is housed the cord 4 has a length equal to or greater than the length of the outer heating surface of said cord.
  • the body of the dissipator 5 is made in two parts 5a and 5b designed in a heat conducting material of the type mentioned above.
  • the two parts 5a and 5b can be made of the same material or in different materials so as to favor the diffusion of calories towards one or the other of said parts, and in practice to that which is in contact with the inner wall of the Bar 2.
  • the first part 5a consists of an elongated piece, for example obtained by molding, stamping or extrusion, and whose length corresponds to that of the cord 4. It is designed so that its outer surface is in contact with the inner wall of the bar 2 and has a profile coinciding with that of said inner wall.
  • the first part 5a comprises, on an angular sector between 20 ° and 360 °, a circular external structure whose diameter corresponds to the diameter of the inner wall of the cylindrical tubular bar 2.
  • its internal structure is also advantageously circular.
  • This internal structure is, however, provided with a first longitudinal groove 50a in which the cord 4 is positioned.
  • the groove 50a is made along the entire length of the first part 5a and comprises a section complementary to that of the cord 4. In this way, the inner surface of the groove 50a is in continuous contact with the heating outer surface of the cord 4.
  • the second part 5b is designed to assemble with the first part 5a.
  • the two parts 5a, 5b are fixed to each other by a removable connection type obstacle connection (eg clipping).
  • the second part 5b also consists of an elongated piece obtained by molding, stamping or extrusion. Its length is however greater than that of the first part 5a and corresponds substantially to that of the bar 2.
  • the length of the cord 4 is limited to the length of the shortest part (in this case the first part 5a) of the body of the heatsink 5 to ensure continuous contact with said heatsink over the entire length of said bead.
  • the outer surface of the second portion 5b may be in contact with the inner wall of the bar 2 but this is not necessary for a satisfactory and acceptable transfer of calories to said bar.
  • the internal structure of the second portion 5b comprises a second longitudinal groove 50b made along the entire length of said second portion.
  • the section of this groove 50b is complementary to that of the cord 4.
  • the inner surface of the groove 50b is in contact with the heating outer surface of the cord 4 and allows covering the portion of said outer surface left free by the first groove 50a.
  • the two grooves 50a and 50b form a housing for the cord 4, and cooperate so that the entire external heating surface of said cord is in continuous contact with the body of the dissipator 5.
  • the heating assembly formed by the dissipator 5 and the cord 4, is easily inserted removably into the bar 2.
  • the insertion is carried out by ensuring continuous surface contact between the inner wall of the bar 2 and at least a portion of the outer surface of the body of said dissipator, over the entire length of said body.
  • the entire external surface of the first portion 5a is in continuous surface contact with the inner wall of the bar 2. In the accompanying figures this contact is made on the upper part of the inner wall of the bar 2 but it is of course conceivable to provide it on another part of said wall.
  • the outer surface of the body of the dissipator 5, and more particularly the entire outer surface of the first portion 5a, has projecting portions 51 configured to be housed in complementary hollow portions 21 formed on the inner wall of the bar 2
  • projecting portions 51 and recesses 21 have a dual function: they make it possible to oppose the rotation of the dissipator 5 in the bar 2 and their strong congruence makes it possible to increase the heat exchange surface.
  • the projecting parts 51 are grooves and the recessed portions 21 are ribs. These grooves and these ribs are preferably longitudinal. To avoid having to angularly position the bar 2 cylindrical relative to (x) amount (s) 3 of the radiator 1, the ribs 21 are formed around the entire periphery of the inner wall of said bar.
  • each vertical upright 3 comprises a circular opening 30 into which an end of the bar 2 is inserted.
  • the radiator 1 comprises a multitude of bars 2 each enclosing its own heating assembly
  • the uprights 3 are provided with as many openings 30.
  • Each opening 30 is provided with a sleeve 31 for housing an end of the bar 2.
  • a perforated washer 32 is placed at the sleeve 31 so as to close the end of the bar 2 housed in said sleeve.
  • a screw 33 or any other similar means, allows maintain in position the washer 32 against the sleeve 31.
  • the screw 33 is fixed in a complementary tapping 53b provided in the second part 5b of the body of the dissipator 5.
  • the heat sink 5 and the washers 32 thus hold the two together. 3 amounts and participate in the structure of the radiator 1.
  • the use of the dissipator 5 allows thermal distribution over a large contact area.
  • the surface temperature of the inner wall of the bar 2 is greatly reduced, so that it is possible to use a bar made of a material having a low maximum temperature of use, and in any case less than the maximum temperature of use of said dissipator heated by the cord 4.
  • the dissipator 5 perfectly uniformizes the temperature over its entire contact surface; there are no hot spots.
  • the dissipator 5 is rigid enough to withstand the load of the article to be dried and to prevent creep of the bar 2.
  • the dissipator 5 is therefore preferably made of a rigid heat-conducting material consolidating and / or stiffening the bar 2 and serving as an armature to said bar.
  • FIGS. 10 and 11 illustrate an alternative embodiment of the radiator object of the invention.
  • the main difference between this mode and that described above lies essentially in the square or rectangular section of the tubular towel rail 2 '.
  • the body of the dissipator is always made in two parts 5'a and 5'b flocking to each other. These portions 5'a, 5'b comprise complementary grooves identical to those described above and in which the cord 4 is housed so that the entire external heating surface of said cord is in continuous contact with the body of the dissipator.
  • the outer surface of the first portion 5'a is designed to be in continuous contact with the inner wall of the bar 2 'and has a profile coinciding with that of said inner wall.
  • the first part 5'a comprises a flat rectangular outer structure whose dimensions correspond to that of the inner wall of the bar 2 '.
  • the second portion 5'b also comprises a flat rectangular outer structure intended to come into contact with the inner wall of the bar 2 '.
  • the heating assembly formed by the dissipator 5'a, 5'b and the cord 4, is easily removably inserted in the bar 2 '.
  • the insertion is performed so as to ensure a continuous surface contact between the inner wall of the bar 2 'and at least a portion of the outer surface of the body of said dissipator, over the entire length of said body.
  • all of the outer surface of the first portion 5'a and all or part of the outer surface of the second portion 5'b, are in continuous surface contact with the inner wall of the bar 2 '.
  • the heating assembly is held in position in the bar 2 'by screwing, welding, clipping, etc. It is the same for the fixing of the bar 2 'on the amounts 3'.

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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)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Central Heating Systems (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Claims (14)

  1. Handtuchtrocknungsstrahler, der mindestens eine röhrenförmige Handtuchstange (2, 2`), die horizontal an mindestens einem Ständer (3, 3`) befestigt ist, ein elektrisches Heizkabel (4), das elektrisch isoliert in der Stange angeordnet ist, aufweist,
    - wobei das Kabel (4) im Inneren des Körpers (5a, 5b, 5`a, 5'b) eines Elements angeordnet ist,
    - wobei die Heizanordnung, die aus dem Element und dem Kabel (4) gebildet ist, in der Stange (2, 2') eingefügt ist, um einen kontinuierlichen Flächenkontakt zwischen der Innenwand der Stange und mindestens einem Teil der Außenfläche des Körpers (5a, 5b, 5'a, 5'b) des Elements auf der gesamten Länge des Körpers zu gewährleisten,
    dadurch gekennzeichnet dass:
    das Element ein Kühlkörper (5) ist, der aus einem wärmeleitenden Material erstellt ist, der Körper (5a, 5b, 5'a, 5'b) des Kühlkörpers derart konfiguriert ist, dass die Gesamtheit der heizenden Außenfläche des Kabels in Kontakt mit dem Körper ist.
  2. Strahler nach Anspruch 1, wobei die Außenfläche des Körpers (5a, 5b) des Kühlkörpers (5) vorspringende Teile (51) aufweist, die konfiguriert sind, um in komplementäre vertiefte Teile (21) einzugreifen, die auf der Innenwand der Handtuchstange (2) erstellt sind.
  3. Strahler nach Anspruch 2, wobei die vorspringenden Teile (51) und die vertieften Teile (21) jeweils Längsnuten und Längsrippen sind.
  4. Strahler nach Anspruch 2 oder 3, wobei die Rippen (21) auf dem gesamten Umfang der Innenwand der Handtuchstange (2) gebildet sind.
  5. Strahler nach einem der vorhergehenden Ansprüche, wobei der Kühlkörper (5) aus einem wärmeleitenden, starren Material erstellt ist und die Stange (2, 2') aus einem Material erstellt ist, das eine maximale Verwendungstemperatur aufweist, die niedriger als die maximale Verwendungstemperatur des Kühlkörpers ist, der durch das Kabel (4) geheizt wird.
  6. Strahler nach einem der vorhergehenden Ansprüche, wobei der Kühlkörper (5) aus einem wärmeleitenden, starren Material erstellt ist, das als Versteifung für die Handtuchstange (2) dient.
  7. Strahler nach einem der vorhergehenden Ansprüche, wobei die Außenfläche des Körpers (5a, 5b, 5`a, 5`b) des Kühlkörpers (5), die in Kontakt mit der Innenwand der Handtuchstange (2) ist, ein Profil aufweist, das mit jenem der Innenwand übereinstimmt.
  8. Strahler nach einem der vorhergehenden Ansprüche, wobei der Körper (5a, 5b, 5'a, 5`b) des Kühlkörpers (5) aus zwei Teilen erstellt ist, einem ersten Teil (5a, 5'a), der eine erste Längsnut (50a) aufweist, in der das elektrische Heizkabel (4) angeordnet ist, und einem zweiten Teil (5b, 5'b), der mit dem ersten Teil verbunden ist, wobei der zweite Teil eine zweite Längsnut (50b) aufweist, die mit der ersten Nut derart zusammenwirkt, dass die Gesamtheit der heizenden Außenfläche des Kabels in kontinuierlichem Kontakt mit dem Körper ist.
  9. Strahler nach Anspruch 8, wobei die zwei Teile (5a, 5b, 5'a, 5`b) durch eine lösbare Verbindung miteinander verbunden sind.
  10. Strahler nach Anspruch 8 oder 9, wobei die zwei Teile (5a, 5b, 5`a, 5'b) aus verschiedenen Materialien erstellt sind.
  11. Strahler nach einem der vorhergehenden Ansprüche, wobei die Aufnahme des Kühlkörpers (5), in deren Innerem das elektrische Heizkabel (4) angeordnet ist, eine Länge aufweist, die gleich oder größer als die Länge der heizenden Außenfläche des Kabels ist.
  12. Strahler nach einem der vorhergehenden Ansprüche, wobei die Heizanordnung, die aus dem Kühlkörper (5) und dem elektrischen Heizkabel (4) gebildet ist, herausnehmbar in der Handtuchstange (2, 2') eingefügt ist.
  13. Strahler nach einem der vorhergehenden Ansprüche, umfassend eine Vielzahl von röhrenförmigen Handtuchstangen (2, 2`), die aus einem wärmeleitenden Material erstellt und horizontal an mindestens einem vertikalen Ständer befestigt sind, wobei jede Stange ihre eigene Heizanordnung, die aus dem Kühlkörper (5) und dem elektrischen Heizkabel (4) gebildet ist, enthält.
  14. Verfahren zur Herstellung eines Handtuchtrocknungsstrahlers (1), umfassend mindestens eine röhrenförmige Handtuchstange (2, 2'), wobei das Verfahren Folgendes aufweist:
    - Anordnen eines elektrisch isolierten elektrischen Heizkabels (4) im Inneren eines Kühlkörpers (5), wobei Letzterer einen Körper (5a, 5b, 5'a, 5'b) aufweist, der aus einem wärmeleitenden Material erstellt ist, wobei das Kabel derart in den Körper eingefügt wird, dass die Gesamtheit der heizenden Fläche des Kabels in Kontakt mit dem Körper ist,
    - Einfügen der Heizanordnung, die aus dem Kühlkörper (5) und dem Kabel (4) gebildet ist, in die Handtuchstange (2, 2`), um einen kontinuierlichen Flächenkontakt zwischen der Innenwand der Stange und mindestens einem Teil der Außenfläche des Körpers des Kühlkörpers auf der gesamten Länge des Körpers zu gewährleisten,
    - horizontales Befestigen der Handtuchstange (2, 2`) auf mindestens einem Ständer (3, 3').
EP13705828.5A 2012-01-16 2013-01-14 Handtuchtrocknungsstrahler mit mindestens einer handtuchstange mit eingebautem kühlkörper mit einem elektrischen heizkabel Active EP2804516B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1250417A FR2985654B1 (fr) 2012-01-16 2012-01-16 Radiateur seche-serviettes dont au moins un barreau porte-serviette integre un dissipateur thermique dans lequel est loge un cordon electrique chauffant
PCT/FR2013/050084 WO2013107973A1 (fr) 2012-01-16 2013-01-14 Radiateur seche-serviettes dont au moins un barreau porte-serviette integre un dissipateur thermique dans lequel est loge un cordon electrique chauffant

Publications (2)

Publication Number Publication Date
EP2804516A1 EP2804516A1 (de) 2014-11-26
EP2804516B1 true EP2804516B1 (de) 2016-03-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13705828.5A Active EP2804516B1 (de) 2012-01-16 2013-01-14 Handtuchtrocknungsstrahler mit mindestens einer handtuchstange mit eingebautem kühlkörper mit einem elektrischen heizkabel

Country Status (6)

Country Link
EP (1) EP2804516B1 (de)
ES (1) ES2579345T3 (de)
FR (1) FR2985654B1 (de)
PL (1) PL2804516T3 (de)
PT (1) PT2804516T (de)
WO (1) WO2013107973A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3014454B1 (fr) 2013-12-05 2016-07-01 Texas De France Etendoir ambulant pour le sechage du linge.
ITMI20140315U1 (it) * 2014-10-14 2016-04-14 Tonon Forty Spa Struttura di scaldasalviette con elevata efficienza termica
IT201600129225A1 (it) * 2016-12-21 2018-06-21 Dl Radiators S R L Dispositivo per il riscaldamento di un ambiente
FR3062895B1 (fr) 2017-02-16 2019-04-05 Uniglory Industrial Limited Dispositif de chauffage electrique domestique, en particulier du type seche-serviettes.
FR3088817B1 (fr) 2018-11-26 2021-01-22 Texas De France Radiateur porte-serviettes
GB2582026B (en) * 2019-03-08 2021-03-17 Sincere Int Trading Co Ltd Foldable clothes warmer
FR3095261B1 (fr) * 2019-04-17 2021-08-06 Texas De France Procédé d’insertion d’un cordon chauffant dans un dissipateur thermique
CN111990918A (zh) * 2020-09-08 2020-11-27 吴月红 便于调节式速干悬挂装置
FR3120116A1 (fr) 2021-02-24 2022-08-26 Texas De France Appareil de chauffage comportant au moins un montant vertical chauffant sur lequel sont installées des barres de séchage
AU2021221801A1 (en) * 2021-08-25 2023-03-23 Arlec Australia Pty Ltd Heater panel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2842386B1 (fr) * 2002-07-12 2007-01-26 Muller Et Cie Radiateur seche-serviettes a barres autochauffantes
DE10313253B4 (de) * 2003-03-25 2005-06-23 Hotset Heizpatronen U. Zubehör Gmbh Rohrförmiges elektrisches Heizelement
GB2451109A (en) * 2007-07-18 2009-01-21 Basic Holdings Electrically heated towel rack

Also Published As

Publication number Publication date
ES2579345T3 (es) 2016-08-10
FR2985654A1 (fr) 2013-07-19
FR2985654B1 (fr) 2014-04-25
PL2804516T3 (pl) 2016-12-30
PT2804516T (pt) 2016-07-13
EP2804516A1 (de) 2014-11-26
WO2013107973A1 (fr) 2013-07-25

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