EP0857924B1 - Elektrisches Heizgerät, insbesondere elektrischer Konvektor, mit einem einstückigen Gehäuse - Google Patents

Elektrisches Heizgerät, insbesondere elektrischer Konvektor, mit einem einstückigen Gehäuse Download PDF

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Publication number
EP0857924B1
EP0857924B1 EP19970403068 EP97403068A EP0857924B1 EP 0857924 B1 EP0857924 B1 EP 0857924B1 EP 19970403068 EP19970403068 EP 19970403068 EP 97403068 A EP97403068 A EP 97403068A EP 0857924 B1 EP0857924 B1 EP 0857924B1
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EP
European Patent Office
Prior art keywords
members
heating apparatus
forming
side walls
wall
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.)
Expired - Lifetime
Application number
EP19970403068
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English (en)
French (fr)
Other versions
EP0857924A1 (de
Inventor
Jean-Marie Doppler
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.)
Zh Industries Fabrique D'appareils De Chauffage De Cuisson De Conditionnement D'air Et De Soustraitance Electromecanique SA
Original Assignee
Zh Industries Fabrique D'appareils De Chauffage De Cuisson De Conditionnement D'air Et De Soustraitance Electromecanique SA
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Publication date
Application filed by Zh Industries Fabrique D'appareils De Chauffage De Cuisson De Conditionnement D'air Et De Soustraitance Electromecanique SA filed Critical Zh Industries Fabrique D'appareils De Chauffage De Cuisson De Conditionnement D'air Et De Soustraitance Electromecanique SA
Publication of EP0857924A1 publication Critical patent/EP0857924A1/de
Application granted granted Critical
Publication of EP0857924B1 publication Critical patent/EP0857924B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F24H9/00—Details
    • F24H9/02—Casings; Cover lids; Ornamental panels
    • 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
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
    • F24H3/0417—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems portable or mobile

Definitions

  • the present invention relates to a heating apparatus, in particular an electric convector, comprising a box containing a heating element and having a wall anterior, a posterior wall, an upper wall, a bottom wall and two side walls.
  • the housing of current heaters is generally made up of at least two fixed sheet metal parts one against the other after the element is put in place heater and other internal organs.
  • EP-A-0 114 158 describes a case of this type, which is produced from a folded sheet metal constituting the front and rear walls and one of the transverse walls, and from an independent panel constituting the another transverse wall.
  • the present invention more particularly proposes remedy these disadvantages and, to do this, it has object a heater, including a convector electric, having the structure indicated in the first paragraph above and in which the housing is made of a single sheet folded so that the wall lower and the two side walls are made up each of two elements located in the extension one of the other.
  • the heater according to the invention has a housing made from a single sheet, its manufacture can be largely automated, which increases production rates and lower costs.
  • the elements constituting the lower wall and the elements constituting each of the two side walls are respectively in contact along a line located at equal distance from the anterior and posterior walls.
  • the wall is preferably provided at each of its lateral ends of at least one folded tab against at least one of the elements constituting the wall corresponding side.
  • the elements constituting the two walls side are preferably provided, at their end which is adjacent to one of the constituent elements the bottom wall, with a tongue folded back against this element.
  • the elements constituting the wall lower and the elements constituting each of the two side walls each have a re-entrant wing, the tuck-in wings leaning two by two against one the other.
  • the retracting wings are perpendicular to the elements that carry them.
  • one of the elements constituting the wall lower may have at least one slot located at the level from the root of its reentrant wing, while the other element may include at least one tongue constituted by an unfolded section of its re-entrant wing, the tongue being housed in the corresponding slot and retained therein by fixing means.
  • the sheet used to make the case can not be unfolded unexpectedly, preventing any subsequent deformation of the latter.
  • the elements constituting the two side walls have internal legs provided with means ensuring the fixing of the heating element, the tabs on the same side being applied against each other and receiving one between them ends of the heating element.
  • the heating element can thus be mounted without the addition of added supports, which simplifies the manufacturing operations and further lower the price of the heater.
  • the internal legs are integral with the reentrant wings and located in the same plane as them.
  • the means of fixing provided on the legs located on the same side are constituted by a lug carried by one of these legs and a hole in the other leg and in which the lug is projection, the ends of the heating element being crossed by the pins.
  • one of the elements constituting one of the side walls can advantageously include an internal tab to which the supply fan is attached.
  • This provision also avoids the addition of a added support for fan installation and therefore helps to simplify manufacturing and reduce the cost of the latter.
  • the internal tab carrying the fan of blowing is integral with one of the returning wings and extends perpendicular to this wing.
  • the heater conforming to the invention can advantageously include fixed feet on the elements constituting the lower wall, as well as two grips attached to the upper part of the elements constituting the side walls.
  • the electric convector that can be seen in the figure 1 comprises a housing having a front wall 1, a wall posterior 2 parallel to the anterior wall 1, a wall upper 3 provided with air exhaust slots hot, a bottom wall 4 provided with slots (visible on Figure 2) for the admission of cold air, and two walls side 5.
  • the housing contains a heating element 6 and a supply fan 7 shown diagrammatically on the Figure 2. Its front wall 1 is provided with slots 8 intended to allow passage of the air drawn in by the fan, a thermostat 9 to regulate the heating temperature and a button 10 to control the fan.
  • the housing rests on two feet 11 and has two grips 12 at the upper end of its side walls 5.
  • the housing was made to from a single sheet folded in such a way that the wall lower 4 and the side walls 5 are formed each of two elements 4a, 4b and 5a, 5b located respectively in the extension of one another.
  • elements 4a, 4b and 5a, 5b are in contact respectively along a line equidistant from the walls anterior 1 and posterior 2. It goes without saying, however, that the distances separating this line from the anterior walls 1 and posterior 2 could be different.
  • the upper wall 3 of the housing is provided, at the level of each of its lateral ends, of a tongue 13 folded against the upper part of elements 5a and 5b correspondents.
  • the elements 5a are provided, at their end lower, of a tongue 14a folded back against the element 4a, and that the elements 5b are also provided, at the level of their lower end, with a folded tab 14b against element 4b.
  • the elements 4a and 4b comprise respectively a reentrant wing 15a, 15b, that the elements 5a each have a re-entrant wing 16a and that the elements 5b each have a re-entrant wing 16b.
  • the reentrant wings 15a and 16a are coplanar and respectively perpendicular to the elements 4a and 5a. Of even, the reentrant wings 15b and 16b are coplanar and respectively perpendicular to elements 4b and 5b.
  • the wings reentrants 15a and 16a and reentrant wings 15b and 16b lean against each other respectively.
  • the element 4a has two slots 17 located at the root of its reentrant wing 15a while the element 4b has two tongues 18 each consisting of an unfolded section of its wing re-entering 15b.
  • the tongues 18 are intended to be housed in the slots 17 and to be retained there by screws or other means equivalent fixing when the housing is fully realized.
  • the wings reentrants 16a have an internal tab 19a, respectively 20a and that the re-entrant wings 16b comprise also an internal tab 19b, respectively 20b.
  • the legs 19a and 20a are turned towards each other and have a lug 21 in the vicinity of their free end, the lugs 21 advancing in orifices formed in the heating element end pieces 6.
  • the legs 19b and 20b are also turned towards one the other. They have an orifice 22 in which the corresponding lug 21 protrudes when the housing is fully realized.
  • the heating element 6 can therefore be installed in it without any support reported.
  • the re-entrant wing 16a bearing the tab 19a is provided with an internal tab 23 to which the fan 7 is fixed.
  • Leg 23 is perpendicular to the returning wing 16a which carries it and makes bankrupt in a notch 24 formed in the returning wing 16b adjacent when the housing is fully realized.
  • the fan 7 can be fixed very quickly on lug 23, for example using screws or means of equivalent fasteners.
  • thermostat 9 and the button 10 are mounted on the front wall 1 of the housing, the first in an orifice 25 provided with two ears opposite 26 and the second in a slot 27.
  • feet 11 and the handles of grip 12 are fixed to the housing using screws or equivalent fixing means and a rounded deflector 28 partially surrounding the fan 7 when the housing is fully realized is attached to the inner side of the rear wall 2.
  • Figure 3 shows the sheet used to make the electric convector box visible in Figures 1 and 2.
  • This sheet was cut in the press in a way known per se. Furthermore, the slots provided at the level anterior 1, upper 3 and lower 4 walls, the slots 17 provided in element 4a, slot 27 provided in the front wall 1 and the orifice 25 formed in this last were also made to the press.

Landscapes

  • 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)
  • Baking, Grill, Roasting (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Central Heating Systems (AREA)
  • Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)

Claims (15)

  1. Heizgerät, insbesondere elektrischer Konvektor, mit einem ein Heizelement (6) enthaltenden Gehäuse, das eine vordere Wand (1), eine hintere Wand (2), eine obere Wand (3), eine untere Wand (4) und zwei Seitenwände (5) aufweist, wobei das Gehäuse aus einem einzigen Blech besteht, das derart gebogen wird, daß die untere Wand (4) und beide Seitenwände (5) je aus zwei einander anschließenden Elementen (4a, 4b ; 5a, 5b) bestehen.
  2. Heizgerät nach Anspruch 1, dadurch gekennzeichnet, daß die die untere Wand (4) bildenden Elemente (4a, 4b) und die beide Seitenwände (5) bildenden Elemente (5a, 5b) sich entlang einer Linie berühren, die gleich weit von der vorderen (1) und hinteren (2) Wand entfernt liegt.
  3. Heizgerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die obere Wand (3) an jedem seitlichen Ende mit mindestens einem Lappen (13) versehen ist, der an mindestens eines der die jeweilige Seitenwand (5) bildenden Elemente (5a, 5b) umgebogen wird.
  4. Heizgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die beide Seitenwände (5) bildenden Elemente (5a, 5b) an jenem Ende, das an einem der die untere Wand (4) bildenden Elemente (4a, 4b) angrenzt, je mit einem Lappen (14a, 14b) versehen sind, der an das Element umgebogen wird.
  5. Heizgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die die untere Wand (4) bildenden Elemente (4a, 4b) und die die jeweiligen Seitenwände (5) bildenden Elemente (5a, 5b) je einen nach innen gerichteten Flansch (15a, 15b ; 16a, 16b) aufweisen, wobei die Flansche sich paarweise aneinander abstützen.
  6. Heizgerät nach Anspruch 5, dadurch gekennzeichnet, daß die nach innen gerichteten Flansche (15a, 15b ; 16a, 16b) senkrecht zu den sie tragenden Elementen (4a, 4b ; 5a, 5b) angeordnet sind.
  7. Heizgerät nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß eines (4a) der die untere Wand (4) bildenden Elemente mindestens einen Schlitz (17) aufweist, der an dem Fuß seines Flanches (15a) angeordnet ist und das andere Element (4b) mindestens einen Lappen (18) aufweist, der aus einem ungebogenen Abschnitt seines Flanches (15b) besteht, wobei der Lappen (18) in dem zugehörigen Schlitz (17) aufgenommen und dort mittels Befestigungsmitteln gehalten wird.
  8. Heizgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die beide Seitenwände (5) bildenden Elemente (5a, 5b) innere Lappen (19a, 20a ; 19b, 20b) mit Mitteln (21, 22) aufweisen, die für die Befestigung des Heizelementes (6) sorgen, wobei die auf einer Seite liegenden Lappen aneinander anliegen und zwischen sich das eine Ende des Heizelementes aufnehmen.
  9. Heizgerät nach Anspruch 8, dadurch gekennzeichnet, daß die inneren Lappen (19a, 20a ; 19b, 20b) fest mit den nach innen gerichteten Lappen (16a ; 16b) verbunden sind und in derselben Ebene wie diese liegen.
  10. Heizgerät nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß jene Befestigungsmittel (21, 22), die an den auf einer Seite liegenden Lappen (19a, 20a ; 19b, 20b) vorgesehen sind, aus einem Vorsprung bestehen, der von dem einen Lappen getragen ist sowie einer Öffnung (22), die in dem anderen Lappen vorhanden ist und in die der Vorsprung hineinragt, wobei die Vorsprünge (21) durch die Enden des Heizkörpers (6) hindurch geführt werden.
  11. Heizgerät nach einem der vorhergehenden Ansprüche, dessen Gehäuse ein Druckgebläse (7) einschließt, dadurch gekennzeichnet, daß eines (5a) der eine Seitenwand (5) bildenden Elemente einen inneren Lappen (23) aufweist, an dem das Gebläse (7) befestigt wird.
  12. Heizgerät nach Anspruch 11, dadurch gekennzeichnet, daß der das Druckgebläse (7) tragende innere Lappen (23) fest mit einem (16a) der nach innen gerichteten Flansche verbunden und senkrecht zu diesem Flansch angeordnet ist.
  13. Heizgerät nach Anspruch 12, dadurch gekennzeichnet, daß der das Druckgebläse (7) tragende innere Lappen (23) in eine im angrenzenden Flansch (16b) vorhandene Vertiefung hineinragt.
  14. Heizgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß es Füße (11) aufweist, die an den die untere Wand (4) bildenden Elementen (4a, 4b) befestigt sind.
  15. Heizgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß es zwei Griffe (12) aufweist, die an dem oberen Teil der die Seitenwände (5) bildenden Elemente (5a, 5b) befestigt sind.
EP19970403068 1997-02-05 1997-12-17 Elektrisches Heizgerät, insbesondere elektrischer Konvektor, mit einem einstückigen Gehäuse Expired - Lifetime EP0857924B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9701300A FR2759155B1 (fr) 1997-02-05 1997-02-05 Appareil de chauffage, notamment convecteur electrique, comprenant un boitier realise a partir d'une tole unique
FR9701300 1997-02-05

Publications (2)

Publication Number Publication Date
EP0857924A1 EP0857924A1 (de) 1998-08-12
EP0857924B1 true EP0857924B1 (de) 2001-10-31

Family

ID=9503355

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Application Number Title Priority Date Filing Date
EP19970403068 Expired - Lifetime EP0857924B1 (de) 1997-02-05 1997-12-17 Elektrisches Heizgerät, insbesondere elektrischer Konvektor, mit einem einstückigen Gehäuse

Country Status (3)

Country Link
EP (1) EP0857924B1 (de)
DE (1) DE69707830D1 (de)
FR (1) FR2759155B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2236651C2 (ru) * 2002-11-15 2004-09-20 Предприниматель без образования юридического лица Туленинов Николай Александрович Кожух конвектора и способ его изготовления
GB2577040A (en) * 2018-09-05 2020-03-18 Honeywell Int Inc Thermostat comprising a moveable cover

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3029406A1 (de) * 1980-08-02 1982-03-11 Karl 3188 Feldafing Prestl Gehaeuse fuer einen heizluefter mit radialgeblaese
US4493974A (en) * 1983-01-12 1985-01-15 Ciracco Metal Fabricating Co., Inc. Snap-fit sheet metal cover for portable oil-filled radiators and method of manufacture
FR2708721B1 (fr) * 1993-07-30 1995-09-08 Dietrich Thermique Socle d'habillage et de manutention pour une chaudière, notamment du type sectionnable.

Also Published As

Publication number Publication date
EP0857924A1 (de) 1998-08-12
FR2759155A1 (fr) 1998-08-07
DE69707830D1 (de) 2001-12-06
FR2759155B1 (fr) 1999-04-16

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