EP1638370B1 - Dispositif formant corps de chauffe - Google Patents

Dispositif formant corps de chauffe Download PDF

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Publication number
EP1638370B1
EP1638370B1 EP05291844A EP05291844A EP1638370B1 EP 1638370 B1 EP1638370 B1 EP 1638370B1 EP 05291844 A EP05291844 A EP 05291844A EP 05291844 A EP05291844 A EP 05291844A EP 1638370 B1 EP1638370 B1 EP 1638370B1
Authority
EP
European Patent Office
Prior art keywords
appliance
thickness
silk
resistance
screened
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.)
Not-in-force
Application number
EP05291844A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1638370A1 (fr
Inventor
Thierry David
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.)
Thermor Industrie SAS
Original Assignee
Thermor 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
Application filed by Thermor Industrie SAS filed Critical Thermor Industrie SAS
Publication of EP1638370A1 publication Critical patent/EP1638370A1/fr
Application granted granted Critical
Publication of EP1638370B1 publication Critical patent/EP1638370B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
    • H05B3/267—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base the insulating base being an organic material, e.g. plastic

Definitions

  • the invention relates to a device forming a heating body intended more particularly for domestic or industrial heating.
  • Electric heaters are used for the heating of domestic or industrial premises, comprising an enclosure containing one or more radiating and convective heat-diffusing bodies.
  • the object of the invention is to improve the state of the prior art by providing a new radiative heating body device of simple and economical construction, improved electrical safety, and ergonomic and rapid implementation.
  • the subject of the invention is a device forming a heating body, of the type comprising at least one screen-printed resistance on an insulating support, said device being intended to be placed on the inside face of the front wall of a heating appliance, characterized by the fact that the device comprises between the adhesive face and the screen-printed resistance at least one thickness of closed-cell foam material having good electrical insulation properties.
  • the invention also relates to a heating apparatus, comprising an outer casing with a front caloric emission wall and a rear mounting wall, provided on the inner face of said front wall of a device according to the invention.
  • a device 1 according to the invention is intended to be glued or adhesive on the inner face 2 of the front wall of a heater shown partially.
  • the device 1 comprises a polyester support 3 on which an aluminum metal circuit 4 is screen printed.
  • the support 3 made of polyester preferably has a thickness of 50 microns, and may alternatively consist of an equivalent material capable of receiving a screen printing of a resistant circuit made of metallic material.
  • the screen-printed resistance constituted by the elements 3 and 4 is coated with a thin layer 5 of polyethylene or equivalent material with a thickness of approximately 50 microns.
  • the thin layer 5 of polyethylene or equivalent material is in turn coated with a polyester separator layer 6 or equivalent material having a thickness of about 50 microns.
  • the device comprises, between the adhesive face 8 and the other elements, a thickness 7 of closed-cell foam material.
  • This material 7 may be a closed-cell cross-linked polyethylene foam having an insulation resistance of one million megohms and a dielectric strength of 3 kV / mm.
  • the thickness of the closed cell foam material is between 0.3 and 1.2 mm, it being specified that the tests carried out with a thickness close to 0.8 mm have entirely satisfied.
  • the adhesive layer 8 is protected by a removable film 9 to be removed before applying the device according to the invention in the direction of the arrow 10 against the inner face 2 of the front wall of the heater.
  • the device is thus fixed by adhesion or bonding by its adhesive face 8 against the inner face of the wall 2 of the heater.
  • FIG. 3 a silkscreened resistor constituted by elements 3 and 4 of FIGS. 1 and 2 is shown in elevation.
  • the silkscreened resistor comprises a lower portion 11 having a large power density greater than 1500 W / m 2 .
  • the screen-printed resistor also has two lateral portions 12 and 13 having an average power flux-density of between 1000 W / m 2 and 1300 W / m 2 .
  • Screening contacts 14a, 14b can advantageously be screen printed at the location of a lateral portion 12 or 13.
  • the screen-printed resistance also comprises a central portion 15 having a low power density of the order of 500 or 700 W / m 2 .
  • a radiative heating body device it is possible to use a radiative heating body device to obtain a homogeneous temperature of a front wall of the heating apparatus, of the order of 70.degree.
  • the leakage current between the screen-printed resistance and the accessible metal parts of the heater is reduced and not exceed 0.25 mA, so as to meet the standards for the safety of household appliances and similar, for example the standard NF EN 60-335.1.
  • the use of a closed cell foam material thickness allows a good level of heat transfer to be maintained between the electric heating circuit and the front face of the heater, while ensuring a high level of electrical safety.
  • a heater according to the invention comprises a heating body 1 according to the invention bonded to the inner face 2 of its front wall, so as to ensure a radiative heat emission of the front face.
  • the heating apparatus shown also preferably comprises a plurality of fresh air intake orifices 21, and one or more orifices of outlet, possibly in the form of fins, for the evacuation of the convection-heated air by a second heating body 23 of a type known per se and not requiring a more detailed description.
  • the heater body 23, preferably made of extruded aluminum or cast iron having a plurality of fins is fixed by insulating supports 24 to the rear wall 25 of the apparatus.
  • the rear wall 25 of the heater is itself attached to a wall or a vertical surface not shown.

Landscapes

  • Central Heating Systems (AREA)
  • Surface Heating Bodies (AREA)
  • Resistance Heating (AREA)
  • Surgical Instruments (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
EP05291844A 2004-09-15 2005-09-07 Dispositif formant corps de chauffe Not-in-force EP1638370B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0409757A FR2875369B1 (fr) 2004-09-15 2004-09-15 Dispositif formant corps de chauffe

Publications (2)

Publication Number Publication Date
EP1638370A1 EP1638370A1 (fr) 2006-03-22
EP1638370B1 true EP1638370B1 (fr) 2007-07-25

Family

ID=34950343

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05291844A Not-in-force EP1638370B1 (fr) 2004-09-15 2005-09-07 Dispositif formant corps de chauffe

Country Status (6)

Country Link
EP (1) EP1638370B1 (es)
AT (1) ATE368365T1 (es)
DE (1) DE602005001740D1 (es)
ES (1) ES2292086T3 (es)
FR (1) FR2875369B1 (es)
PT (1) PT1638370E (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2251619A1 (fr) 2009-05-14 2010-11-17 Thermor Pacific Appareil de chauffage électrique

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2346303A1 (en) 2010-01-14 2011-07-20 Calesco Division/Backer BHV AB Radiator panel for domestic and industrial applications based on heater with single sided FRTP insulation
FR3004886B1 (fr) * 2013-04-23 2017-12-29 Soc Muller & Cie Appareil de chauffage a element chauffant de facade
EP3012550B1 (fr) 2014-10-22 2018-01-31 Société Muller & Cie Appareil de chauffage à élément chauffant de façade

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6507056A (es) * 1964-06-04 1965-12-06
DE2842519C2 (de) * 1978-09-29 1983-07-14 Deutsch-Kanadische Grundstücksgesellschaft mbH Canespa KG, 3005 Hemmingen Verfahren zum Beschichten von elektrisch isolierenden Flächen mit einer elektrisch leitenden Kunststoffschicht
LU87797A1 (fr) * 1990-08-31 1992-03-11 Glaverbel Miroir chauffant
WO1997015171A2 (de) * 1995-10-17 1997-04-24 Magnus Kluge Elektrische widerstandsheizung zur raumklimatisierung in wohnungen und gebäuden
DE20319024U1 (de) * 2003-12-05 2004-03-11 Econ Export + Consulting Group Gmbh Flächenheizelement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2251619A1 (fr) 2009-05-14 2010-11-17 Thermor Pacific Appareil de chauffage électrique

Also Published As

Publication number Publication date
FR2875369A1 (fr) 2006-03-17
FR2875369B1 (fr) 2006-11-24
PT1638370E (pt) 2007-10-09
ATE368365T1 (de) 2007-08-15
ES2292086T3 (es) 2008-03-01
DE602005001740D1 (de) 2007-09-06
EP1638370A1 (fr) 2006-03-22

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