EP1327826A1 - Corps de chauffe pour radiateur électrique - Google Patents
Corps de chauffe pour radiateur électrique Download PDFInfo
- Publication number
- EP1327826A1 EP1327826A1 EP02293117A EP02293117A EP1327826A1 EP 1327826 A1 EP1327826 A1 EP 1327826A1 EP 02293117 A EP02293117 A EP 02293117A EP 02293117 A EP02293117 A EP 02293117A EP 1327826 A1 EP1327826 A1 EP 1327826A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heating body
- coating
- heating
- covering
- body according
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 46
- 239000011248 coating agent Substances 0.000 claims description 31
- 238000000576 coating method Methods 0.000 claims description 31
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910044991 metal oxide Inorganic materials 0.000 claims description 7
- 150000004706 metal oxides Chemical class 0.000 claims description 7
- 238000002048 anodisation reaction Methods 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 5
- 238000007747 plating Methods 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims 1
- 208000031968 Cadaver Diseases 0.000 description 10
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000006735 deficit Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/04—Stoves or ranges heated by electric energy with heat radiated directly from the heating element
- F24C7/043—Stoves
Definitions
- the invention relates to a heating body for an electric radiator, elongated conformation, intended to be contained in at least one shaped envelope elongate.
- Unpublished French patent application FR 00 02220 relates to a electric heating device of the type comprising at least one heating body of elongated shape contained in at least one envelope of elongated shape.
- each envelope has a U-shaped profile with an upper edge and a lower edge and is closed by fin conformations substantially vertical, so as to diffuse and homogenize the temperature of the envelopes and the air contained in these envelopes over the entire height of the appliance.
- This device of known type generally gives satisfaction and allows in particular to limit the temperature of exterior surfaces accessible to the touch to a value below 75 ° C, while authorizing the use of a heating element to a temperature well above 200 ° C and by obtaining convection effective natural.
- a known problem is to increase the heat exchange between the body of heater and the front of the radiator.
- a first object of the invention is to obtain a surface temperature homogeneous on the front of the radiator casing, without using a heating film.
- Another object of the invention is to obtain homogeneous temperatures in limiting the side effects suffered by the heating body during its operation.
- the heaters for electric radiators can be subject to overheating of the central part and a temperature deficit on the edges of the fins of the heating body.
- the subject of the invention is a heating body for an electric radiator, elongated conformation, intended to be contained in at least one shaped envelope elongated, characterized in that the heating body has a coating with strong emissivity on each vertical face, said coating being practiced partially, on each side so as to obtain a uniform surface temperature on the facade of the envelope.
- a first embodiment of the body of heater according to the invention comprises an upper fin 1, a lower fin 2 and a tubular central part 3.
- the entire heating body is made in one holding by extrusion in an aluminum alloy.
- a covering 4 shown in hatched gray extends substantially in a U-shape with two lateral branches 4a, 4b and a lower branch 4c.
- the coating 4 extends over the periphery of the front face of the heating element, except the upper edge of the front face of the heating element heated.
- the coating can be made in non-gloss black paint resistant to peak temperature reached by the heater, or by black anodization or by plating of a metal or a high-emissivity metal oxide.
- the rear face of the heating body has on its fin lower 1 a covering 5 extending along the lower edge of the rear face on a height of about 50 mm.
- the coating 5 produced on the rear face is carried out by the same process as the coating carried out on the front face.
- a second embodiment of the body of heater 10 has an upper fin 11, a lower fin 12 and a tubular central part 13.
- the entire heating body is made of a integral by extrusion in an aluminum alloy.
- a covering 14 shown in hatched gray extends substantially in a U-shape with two lateral branches 14a, 14b and a lower branch 14c.
- the coating 14 extends over the periphery of the face front of the heater, except the upper edge of the front of the body heating.
- the coating 14 can be produced in resistant non-gloss black paint at the peak temperature reached by the heater, or by black anodization or by plating a metal or a metal oxide with high emissivity.
- the second embodiment 10 of the heating body has a coating 15 partially extending over a horizontal segment 15a in lower part of the lower fin 12, extending by a vertical segment and lateral 15b, and then extended by a U-shaped covering with two branches lateral 15c, 15d and a lower branch 15e extending above the fin upper 12.
- the coating 15 produced thus has the shape shown in FIG. 4 on a width of about 50 mm.
- the lower branch 15e of the upper U-shape of the covering 15 extends parallel to the lower part 15a of the covering and above the heating tubular part 13.
- a third embodiment 20 of the body heater according to the invention has a lower fin 21, an upper fin 22, and a tubular central part 23.
- the entire heating body is made of a integral by extrusion in an aluminum alloy.
- a covering 24 shown in hatched gray extends substantially in a U-shape with two lateral branches 24a, 24b and a lower branch 24c.
- the coating 24 extends over the periphery of the face front of the heater, except the upper edge of the front of the body heating.
- the coating can be made in non-gloss black paint resistant to the peak temperature reached by the heater, or by black anodization or by plating a metal or a metal oxide with high emissivity.
- the covering represented in hatched gray extends over a part 25 lower of the lower fin 21, with the exception of an uncoated free zone.
- the width of the uncoated free area is around 150 mm, while the height of the coating 15 is of the order of 50 mm.
- the coating on the rear side is carried out by the same process as the coating carried out on the front face.
- Tests have shown the efficiency of the heating bodies according to the invention and the uniformity of the temperature obtained on the front of the electric radiator corresponding.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Resistance Heating (AREA)
- Central Heating Systems (AREA)
Abstract
Description
- le revêtement pratiqué en face avant du corps de chauffe présente une conformation en U,
- le revêtement pratiqué en face arrière du corps de chauffe s'étend au moins partiellement en partie inférieure de la face arrière,
- dans une variante de réalisation, le revêtement pratiqué en face arrière du corps de chauffe s'étend en outre parallèlement à la partie inférieure du revêtement et au-dessus de la partie tubulaire chauffante,
- le revêtement à forte émissivité peut être une peinture noire non brillante résistant à la température de pointe atteinte par le corps de chauffe,
- le revêtement peut être un revêtement obtenu par anodisation noire, pour déposer un métal ou un oxyde métallique à forte émissivité,
- le revêtement peut être un revêtement obtenu par placage d'un métal ou d'un oxyde métallique de forte émissivité.
- La figure 1 représente schématiquement une vue avant d'un corps de chauffe selon l'invention.
- La figure 2 représente schématiquement une vue arrière du corps de chauffe de la figure 1.
- La figure 3 représente schématiquement une vue avant d'un deuxième corps de chauffe selon l'invention.
- La figure 4 représente schématiquement une vue arrière du corps de chauffe de la figure 3.
- La figure 5 représente schématiquement une vue avant d'un troisième corps de chauffe selon l'invention.
- La figure 6 représente schématiquement une vue arrière du corps de chauffe de la figure 5.
Claims (7)
- Corps de chauffe pour radiateur électrique, de conformation allongée, destiné à être contenu dans au moins une enveloppe de forme allongée, caractérisé en ce que le corps de chauffe comporte un revêtement à forte émissivité sur chaque face verticale, ledit revêtement étant pratiqué partiellement (4, 5 ; 14, 15 ; 24, 25) sur chaque face de manière à obtenir une température de surface homogène sur la façade de l'enveloppe.
- Corps de chauffe selon la revendication 1, caractérisé en ce que le revêtement (4, 14, 24) pratiqué en face avant du corps de chauffe présente une conformation en U.
- Corps de chauffe selon la revendication 1 ou la revendication 2, caractérisé en ce que le revêtement (5, 15, 25) pratiqué en face arrière du corps de chauffe s'étend au moins partiellement en partie inférieure de la face arrière.
- Corps de chauffe selon la revendication 3, caractérisé en ce que le revêtement (15) pratiqué en face arrière du corps de chauffe s'étend parallèlement (15e) à la partie inférieure du revêtement et au-dessus de la partie tubulaire chauffante (13).
- Corps de chauffe selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le revêtement (4, 5 ; 14, 15 ; 24, 25) à forte émissivité est une peinture noire non brillante résistant à la température de pointe atteinte par le corps de chauffe.
- Corps de chauffe selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le revêtement est un revêtement (4, 5 ; 14, 15 ; 24, 25) obtenu par anodisation noire, pour déposer un métal ou un oxyde métallique à forte émissivité.
- Corps de chauffe selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le revêtement est un revêtement (4, 5 ; 14, 15 ; 24, 25) obtenu par placage d'un métal ou d'un oxyde métallique de forte émissivité.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0200284 | 2002-01-11 | ||
| FR0200284A FR2834775B1 (fr) | 2002-01-11 | 2002-01-11 | Corps de chauffe pour radiateur electrique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1327826A1 true EP1327826A1 (fr) | 2003-07-16 |
| EP1327826B1 EP1327826B1 (fr) | 2005-11-23 |
Family
ID=8871237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02293117A Expired - Lifetime EP1327826B1 (fr) | 2002-01-11 | 2002-12-17 | Corps de chauffe pour radiateur électrique |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1327826B1 (fr) |
| AT (1) | ATE310926T1 (fr) |
| DE (1) | DE60207517T2 (fr) |
| ES (1) | ES2253505T3 (fr) |
| FR (1) | FR2834775B1 (fr) |
| NO (1) | NO20030132L (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013160623A2 (fr) | 2012-04-26 | 2013-10-31 | Texas De France | Radiateur electrique dont la face interne de la facade avant presente des zones ayant des emissivites differentes |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3763349A (en) * | 1972-07-17 | 1973-10-02 | Watlow Electric Manuf Co | Radiant heater with improved radiating bars and mounting means therefor |
| FR2671854A1 (fr) * | 1991-01-23 | 1992-07-24 | Deleace Sa | Dispositif de chauffage par rayonnement. |
-
2002
- 2002-01-11 FR FR0200284A patent/FR2834775B1/fr not_active Expired - Fee Related
- 2002-12-17 DE DE60207517T patent/DE60207517T2/de not_active Expired - Lifetime
- 2002-12-17 AT AT02293117T patent/ATE310926T1/de not_active IP Right Cessation
- 2002-12-17 ES ES02293117T patent/ES2253505T3/es not_active Expired - Lifetime
- 2002-12-17 EP EP02293117A patent/EP1327826B1/fr not_active Expired - Lifetime
-
2003
- 2003-01-10 NO NO20030132A patent/NO20030132L/no not_active Application Discontinuation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3763349A (en) * | 1972-07-17 | 1973-10-02 | Watlow Electric Manuf Co | Radiant heater with improved radiating bars and mounting means therefor |
| FR2671854A1 (fr) * | 1991-01-23 | 1992-07-24 | Deleace Sa | Dispositif de chauffage par rayonnement. |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013160623A2 (fr) | 2012-04-26 | 2013-10-31 | Texas De France | Radiateur electrique dont la face interne de la facade avant presente des zones ayant des emissivites differentes |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2253505T3 (es) | 2006-06-01 |
| DE60207517T2 (de) | 2006-08-10 |
| DE60207517D1 (de) | 2005-12-29 |
| FR2834775B1 (fr) | 2004-04-02 |
| NO20030132L (no) | 2003-07-14 |
| NO20030132D0 (no) | 2003-01-10 |
| ATE310926T1 (de) | 2005-12-15 |
| FR2834775A1 (fr) | 2003-07-18 |
| EP1327826B1 (fr) | 2005-11-23 |
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