EP0369915A1 - Elektrisches Heizkabel mit einem Wärmeübertragungselement - Google Patents
Elektrisches Heizkabel mit einem Wärmeübertragungselement Download PDFInfo
- Publication number
- EP0369915A1 EP0369915A1 EP89460039A EP89460039A EP0369915A1 EP 0369915 A1 EP0369915 A1 EP 0369915A1 EP 89460039 A EP89460039 A EP 89460039A EP 89460039 A EP89460039 A EP 89460039A EP 0369915 A1 EP0369915 A1 EP 0369915A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heating cable
- rectilinear
- electric heating
- segments
- followed
- 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
Images
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
- H05B3/40—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
- H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
-
- 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
- H05B3/54—Heating elements having the shape of rods or tubes flexible
- H05B3/56—Heating cables
Definitions
- the present invention relates to electric heating cables with heat diffusers and, more particularly, to prefabricated networks formed with such cables.
- Electric heating cables with heat diffusing tape are described in document EP-A-225 835.
- the tape a good heat coder, has a longitudinal groove in which is housed and maintained the electric cable which is in intimate contact with the internal face of the throat of the ribbon.
- This one has regularly spaced transverse slots, which give the whole a certain flexibility and allow its winding on a reel.
- the slots constitute sorts of pre-cuts that the cable installer can finish to allow rotations in the general plane of the ribbon.
- the cable provided with its ribbon is placed in successive parallel segments by making it perform a 180 ° change of direction at the ends of each segment.
- Direction change bends are made on site by cutting parts of the edges of the tape in the vicinity of the slots in the affected areas.
- transverse metal strips on which the segments are stapled as they are laid It therefore takes considerable time to equip a surface. For example, to equip a 40 m2 room, it takes between two and three hours.
- An object of the present invention to provide a network arrangement of a ribbon diffuser cable to facilitate installation and make it significantly faster.
- the cable is shaped into a sinuous line, each cycle of which comprises a bend in a first direction, followed by a first straight segment, followed by a bend in the second direction, followed by a second rectilinear segment, parallel and equal to the first rectilinear segment, the cycles being connected and the electric cable being uninterrupted.
- the elbows are prefabricated by making suitable notches in the flat wings of the ribbon.
- the rectilinear segments are kept regularly spaced apart by a plurality of rectilinear strips oriented perpendicular to the segments.
- the cable is wound on a reel in the direction of the straps to be ready for use.
- the electric heating cable with heat diffusing tape of FIG. 1 is in the form of a sinuous line with parallel rectilinear segments connected by rounded elbows.
- the sinuous line is formed by a series of identical cycles, where each cycle comprises a rectilinear segment la, followed by a bend 2a in the shape of a semicircle, followed by a segment 1b, it - even followed by a bend 2b in the shape of a semicircle.
- the rectilinear segments 1a and 1b are parallel and equal.
- the concavity of the elbow 2a is opposite to that of the elbow 2b.
- the diameter of the semicircles of the elbows 2a and 2b defines the distance between the straight segments 1a and 1b.
- Figs. 1 and 2 the cable of the invention is shown seen from above, which means that we see the back of the diffuser tape, with a central part enclosing more than 180 ° of the electric cable 3, and two lateral wings which lie on a plane before wrapping the cable.
- the diffuser tape is, all along, in one piece, with simply its ends cut, not perpendicular to the general direction of the segment, but at an angle such that the edges of the two wings of the ribbon make an angle less than 180 °.
- the wings of the ribbon are notched so as to form, in the example described, six sections each comprising a back 4 and wings 5a and 5b.
- Each wing, such as 5a has a general isosceles trapezoidal shape, with the small base on the outside and the large base on the inside, near the electric cable 3.
- the angle made, with the axis of symmetry of the trapezoid, the lateral sides of the trapezoid is around 20 °. It will be noted that, in the case where there are six sections in a bend, this angle must be greater than 15 ° to avoid, inside the bend, the systematic superpositions of wings of adjacent sections.
- Fig. 2 also shows that, under the large base, each wing is extended inward by a rectangular part, that is to say whose edges are perpendicular to the electric cable.
- Fig. 3 shows that between two successive sections, a notch between two wings extends along the lateral part of the ribbon, up to about halfway up the electrical cable 3, the back 4 of the ribbon not being cut. As a result, by its back 4, the ribbon remains uninterrupted, whether on the straight segments or on the elbows. In this way, the cable 3 is never stripped up and the ribbon continues to fully play its role as a heat diffuser, even in the elbows, avoiding any hotter point.
- the strips 6 and 7 are inextensible. They can be, for example, made up of two ribbons of resistant plastic material glued one against the other between the segments, and the two faces of the straight segments being respectively glued one under the upper ribbon and the other on the lower ribbon.
- more or less closely spaced notches are provided in the elbows to vary their diameters, so as to vary the mutual distance between the straight segments.
- Small holes such as 8, can be punched in the wings of the tape, to allow the installation of thumbtacks, the rod of which hangs in the insulating layer below the cable, after the cable has been laid.
Landscapes
- Central Heating Systems (AREA)
- Resistance Heating (AREA)
- Insulated Conductors (AREA)
- Pipe Accessories (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8815218A FR2639503B1 (fr) | 1988-11-18 | 1988-11-18 | Cable electrique chauffant a diffuseur de chaleur |
FR8815218 | 1988-11-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0369915A1 true EP0369915A1 (de) | 1990-05-23 |
EP0369915B1 EP0369915B1 (de) | 1994-09-28 |
Family
ID=9372123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89460039A Expired - Lifetime EP0369915B1 (de) | 1988-11-18 | 1989-11-10 | Elektrisches Heizkabel mit einem Wärmeübertragungselement |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0369915B1 (de) |
AT (1) | ATE112434T1 (de) |
DE (1) | DE68918555T2 (de) |
ES (1) | ES2062082T3 (de) |
FR (1) | FR2639503B1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2911243A1 (fr) * | 2007-01-09 | 2008-07-11 | Muller Et Cie Sa | Appareil de chauffage electrique et son utilisation comme radiateur seche serviettes pour salles de bains |
DE202008016069U1 (de) | 2008-12-04 | 2009-12-03 | Trace Tec Begleitheizungstechnik Gmbh | Vorrichtung zur Beheizung von Oberflächen |
EP2164295A1 (de) * | 2008-09-16 | 2010-03-17 | Deleage SA | Elektrische Heizkabelvorrichtung |
FR2936126A1 (fr) * | 2008-09-17 | 2010-03-19 | Deleage Sa | Enveloppe de protection thermoconductrice d'un dispositif de cable chauffant |
FR2936125A1 (fr) * | 2008-09-17 | 2010-03-19 | Deleage Sa | Element de fixation d'un dispositif de cable chauffant |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2419655A (en) * | 1944-08-09 | 1947-04-29 | Titan Mfg Co Inc | Electric heater |
US3209128A (en) * | 1962-11-20 | 1965-09-28 | Smith Gates Corp | Heating mat |
DE1565641A1 (de) * | 1966-11-05 | 1970-02-12 | Wagner Kabelwerk | Elektrischer Heizkoerper und Verfahren zu seiner Herstellung |
FR2266416A1 (en) * | 1974-03-26 | 1975-10-24 | Bonnet Ets | Composite electrical heating strip - has wire within foil support and covering strips |
FR2279299A2 (fr) * | 1974-06-05 | 1976-02-13 | Deleage & Fils Ets | Procede pour la realisation de grilles, ou reseaux chauffants prefabriques |
DE3132748A1 (de) * | 1981-08-19 | 1983-03-10 | Kabelwerk Wagner Kg, 5600 Wuppertal | Verfahren zur herstellung von heizmatten |
DE3345823A1 (de) * | 1983-12-17 | 1985-07-04 | Fritz Eichenauer GmbH & Co KG, 6744 Kandel | Verfahren zum herstellen einer vorrichtung zum erhitzen von fluessigkeiten sowie entsprechende vorrichtung |
-
1988
- 1988-11-18 FR FR8815218A patent/FR2639503B1/fr not_active Expired - Lifetime
-
1989
- 1989-11-10 DE DE68918555T patent/DE68918555T2/de not_active Expired - Fee Related
- 1989-11-10 ES ES89460039T patent/ES2062082T3/es not_active Expired - Lifetime
- 1989-11-10 EP EP89460039A patent/EP0369915B1/de not_active Expired - Lifetime
- 1989-11-10 AT AT89460039T patent/ATE112434T1/de not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2419655A (en) * | 1944-08-09 | 1947-04-29 | Titan Mfg Co Inc | Electric heater |
US3209128A (en) * | 1962-11-20 | 1965-09-28 | Smith Gates Corp | Heating mat |
DE1565641A1 (de) * | 1966-11-05 | 1970-02-12 | Wagner Kabelwerk | Elektrischer Heizkoerper und Verfahren zu seiner Herstellung |
FR2266416A1 (en) * | 1974-03-26 | 1975-10-24 | Bonnet Ets | Composite electrical heating strip - has wire within foil support and covering strips |
FR2279299A2 (fr) * | 1974-06-05 | 1976-02-13 | Deleage & Fils Ets | Procede pour la realisation de grilles, ou reseaux chauffants prefabriques |
DE3132748A1 (de) * | 1981-08-19 | 1983-03-10 | Kabelwerk Wagner Kg, 5600 Wuppertal | Verfahren zur herstellung von heizmatten |
DE3345823A1 (de) * | 1983-12-17 | 1985-07-04 | Fritz Eichenauer GmbH & Co KG, 6744 Kandel | Verfahren zum herstellen einer vorrichtung zum erhitzen von fluessigkeiten sowie entsprechende vorrichtung |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2911243A1 (fr) * | 2007-01-09 | 2008-07-11 | Muller Et Cie Sa | Appareil de chauffage electrique et son utilisation comme radiateur seche serviettes pour salles de bains |
EP2164295A1 (de) * | 2008-09-16 | 2010-03-17 | Deleage SA | Elektrische Heizkabelvorrichtung |
FR2936126A1 (fr) * | 2008-09-17 | 2010-03-19 | Deleage Sa | Enveloppe de protection thermoconductrice d'un dispositif de cable chauffant |
FR2936125A1 (fr) * | 2008-09-17 | 2010-03-19 | Deleage Sa | Element de fixation d'un dispositif de cable chauffant |
DE202008016069U1 (de) | 2008-12-04 | 2009-12-03 | Trace Tec Begleitheizungstechnik Gmbh | Vorrichtung zur Beheizung von Oberflächen |
Also Published As
Publication number | Publication date |
---|---|
EP0369915B1 (de) | 1994-09-28 |
DE68918555T2 (de) | 1995-01-26 |
DE68918555D1 (de) | 1994-11-03 |
ES2062082T3 (es) | 1994-12-16 |
FR2639503A1 (fr) | 1990-05-25 |
FR2639503B1 (fr) | 1990-12-21 |
ATE112434T1 (de) | 1994-10-15 |
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