EP1247430A1 - Dispositif de chauffage de l'air, de fluides et des mat riaux, en milieu sec ou humide, aliment en courant basse tension ou tbts alternatif ou continu - Google Patents
Dispositif de chauffage de l'air, de fluides et des mat riaux, en milieu sec ou humide, aliment en courant basse tension ou tbts alternatif ou continuInfo
- Publication number
- EP1247430A1 EP1247430A1 EP00988925A EP00988925A EP1247430A1 EP 1247430 A1 EP1247430 A1 EP 1247430A1 EP 00988925 A EP00988925 A EP 00988925A EP 00988925 A EP00988925 A EP 00988925A EP 1247430 A1 EP1247430 A1 EP 1247430A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrodes
- fluid
- neutral
- phase
- support
- 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
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
- H05B3/60—Heating arrangements wherein the heating current flows through granular powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating
-
- 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
- H05B3/0004—Devices wherein the heating current flows through the material to be heated
Definitions
- Device for heating air, fluids and materials, in a dry or humid environment supplied with low-voltage or alternating or direct SELV current.
- the present invention relates to an electrical heating device for air, fluids and materials, intended to cover surfaces or objects that are planar and / or with reliefs, of any size, of any shape, solid or perforated, particularly under very low safety voltage (SELV), or low voltage and a process for its manufacture.
- SELV very low safety voltage
- a resistant non-metallic material for electric heating by radiation comprising: gray or black graphite, at the rate of 100 parts by weight, a neutral filler, at the rate of 0 to 50 parts by weight, - a fire-black varnish, at a rate of 75 to 150 parts by weight, and coresilin, at a rate of 60 to 120 parts by weight.
- This material has the advantage of allowing a room to be heated at low temperatures while consuming less energy than traditional systems, but has the disadvantage of using gray or black graphite and black fire varnish as a binder. Heating elements made of gray or black graphite and black fire-resistant varnish require mechanical treatment in order to acquire the necessary electrical parameters.
- the black fire varnish has a relatively low mechanical resistance, it cracks very quickly, and, destroyed, it becomes unusable ...
- an electrically resistant material for radiation heating which comprises amorphous graphite, polyvinyl acetate, denatured alcohol, and a diluting agent consisting of coresilin. While having the advantage of having a high mechanical resistance, this material also has drawbacks. For example, the measurement of the resistance of this graphitized paint shows a significant resistance, which allows the passage only of a very low current intensity, for an applied voltage of the order of 50 volts across such terminals. coating.
- paints containing a small percentage by weight (generally of the order of 3%) of conductive fillers are sold.
- said charges is intended to improve their application by making them electrostatic.
- Said paints are not, in view of the low content of charges which they contain, electrically conductive.
- the invention overcomes these drawbacks. It includes energization by at least two electrodes separated by a fixed or variable distance d, of length L, covered by a fluid or pasty material of adjustable electrical resistivity connected to the terminals P and N.
- the phase electrodes are connected to each other like the teeth of a comb by a conductor or a conductive bar, while the neutral electrodes are connected to each other like the teeth of a comb by a conductor or a conductive bar, arranged head to tail in single or in entangled multiples, all the conductors / electrodes being fixed, on the insulating support.
- it comprises several phase and neutral electrodes and that the phase electrodes are connected to the same phase terminal and are parallel, that the neutral electrodes are connected to the same neutral terminal and are parallel, said phase and electrode neutral being parallel to each other and arranged alternately.
- the fluid or pasty material contains in a binder, and / or a flexible, elastic, malleable substance, from 10 to 90% by weight of conductive fillers consisting of a mixture of two products, one with granular support, l other in lamellar support, with different electrical resistivity, and variable dosage from 50/50 to 10/90% depending on the expected final resistivity.
- the said products are, for one, of a granular mineral support consisting of particles whose core is made of titanium dioxide or of silica, covered with a solid solution of a mixture of antimony metal and tin dioxide, and for the other, a lamellar mineral support based on mica coated with a double oxide of tin and antimony.
- a layer of an electrically insulating and oxidizing protective fluid product covers all of the electrodes and the heating surface.
- a single or double fire-resistant electrical insulation per sheet and / or fluid covers it entirely.
- a fluid electrical conductor or a glued or self-adhesive sheet called “ground” covers the assembly, and is connected to the ground of the electrical installation.
- the invention also relates to a method of manufacturing an electric heating device for air, fluid and materials, intended to cover surfaces or objects that are planar and / or with reliefs, usable for the manufacture of a device according to the invention: phase and neutral electrodes are applied to a support previously covered with an insulating film if it is not electrically insulating, said electrodes being connected to the P and N terminals of phase and neutral of a electric power source; applying a fluid or pasty material with adjustable electrical resistivity to and between the electrodes; - the fluid or pasty material is allowed to dry; a layer of electrically insulating material is placed on the assembly thus formed.
- Figure 1 shows the device of the invention, according to a first embodiment.
- FIG. 2 shows in section the molecular structures of the mixture.
- Figure 3 shows in section the different components of the devices.
- FIG. 4 represents two modes of electrode networks.
- FIG. 5 which shows an embodiment is of particular supply of the constituent electrodes for energizing.
- the device comprises a tensioning carried out by two electrodes (4 and 4 ') connected to the terminals P and N, of length L, fixed on a support (1) and spaced apart by a distance d, forming a heating surface (S). On the cylindrical or elongated electrodes and between them, a layer (5) of fluid or pasty material is spread.
- This fluid or pasty material contains in a binder for surface coating and / or a flexible, elastic, malleable substance, from 10 to 90% by weight of resistant / electrically conductive charges consisting of a mixture of two types of different supports: one granular so that the particles are lodged in the spaces and recesses as well as between, under and on the strips of the other support which is said to it: lamellar.
- a different resistivity between these two products we can act on the temperature of the heating surface (S) by making a mixture in variable proportions from 50/50 to 10/90%.
- the electrodes in the form of strips arranged in parallel are connected to a conductor (10 and 10 ′) like the teeth of a comb, then arranged head to tail in order to obtain an alternation of phase electrodes and neutral electrodes and allow carry out the tensioning in P and N without overlapping of the connection wires and this at one end and / or at both ends of the device.
- a heating surface generally in a strip by multiplying the number of electrodes with a regular temperature at all points.
- the lamellar electrodes are interconnected either parallel or transversely. This type of multiple tangled arrangement placed side by side allows the realization of large heating surfaces.
- the layer of fluid or pasty material is allowed to dry, then a layer is applied over the whole of a protective fluid (6) against oxidation.
- This fluid can also be an electrical insulator.
- the latter can be made of fluid, heat-sealable, thermosetting material, or with materials such as tiles, plastic, glass ... To vary the heating power, we act on four parameters which are:
- the resistivity of the fluid or pasty material The length L of the electrodes - The spacing d of the electrodes
- the technical field of the invention is that of coating components, for example paints, varnishes, thick coatings. It can be used in fields as varied as: - Building for space, swimming pool heating,
- heating material has been produced with the following components and order of incorporation: - Binder: a varnish in two parts, then incorporated together
- Bentone® SD 1 0.12 White Spirit-1% ... 46.00 Soy Lecithin 0.05 Bentone® SD 1 0.15
- Minatec® 31 marketed by Merck. These are lamellar particles of mica coated with a double oxide of tin and antimony, with a resistivity of 4 Kohm (Merck method) less than 100 ohm / cm.
- the product 1410 T is incorporated into the binder at the rate of 1 volume for 5 volumes of binder. Let sit for a day. Then the Minatec® 31 product is incorporated into the substance the day before use at the rate of 4 volumes, stirring slowly.
- a plurality of phase (4) and neutral (4 ') electrodes is formed in a particular way.
- the phase electrodes (4) are all commonly connected to the phase terminal (P).
- the neutral electrodes (4 ') are connected to the neutral terminal (N).
- all of the electrodes here consist of parallel metal bars and arranged alternately as regards the neutrals and the phases.
- a split device is formed capable of covering each of the faces of the support (1).
- Figure 6 shows only the particular positioning of the electrodes (4 and 4 ') without illustrating the other components of the device.
- two substantially identical sets are formed on either side of the support (1).
- the electrodes (4 and 4 ') here made up of elongated metal bars are positioned in correspondence on each of the two faces.
- opposite a phase electrode of one face is placed a neutral electrode on the other face and vice versa
- the other stages of realization of the device according to the invention are the same as described above, and produced for each of the faces of the support (1)
- phase and neutral electrodes (4 and 4 ') have the advantage of increased safety
- the invention also relates to a method for manufacturing the ICI device described
- Phase (4) and neutral (4 ') electrodes are then positioned on the support (1) thus prepared.
- the electrodes (4 and 4') are elongated conductive metallic elements.
- the electrodes (4 and 4 ') are positioned, they are covered and the intermediate part between the electrodes (4 and 4') is covered with a fluid or pasty material (5) as described above.
- the present invention is particularly applicable to the production of heating devices supplied with low voltage or very low voltage, but is not limited thereto.
Landscapes
- Resistance Heating (AREA)
- Surface Heating Bodies (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Drying Of Solid Materials (AREA)
- General Induction Heating (AREA)
- Paints Or Removers (AREA)
- Control Of Resistance Heating (AREA)
- General Preparation And Processing Of Foods (AREA)
- Freezing, Cooling And Drying Of Foods (AREA)
- Secondary Cells (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9916108A FR2802761B1 (fr) | 1999-12-17 | 1999-12-17 | Peinture chauffante |
FR9916108 | 1999-12-17 | ||
PCT/FR2000/003547 WO2001045465A1 (fr) | 1999-12-17 | 2000-12-14 | Dispositif de chauffage de l'air, de fluides et des matériaux, en milieu sec ou humide, alimenté en courant basse tension ou tbts alternatif ou continu |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1247430A1 true EP1247430A1 (fr) | 2002-10-09 |
EP1247430B1 EP1247430B1 (fr) | 2007-10-03 |
Family
ID=9553517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00988925A Expired - Lifetime EP1247430B1 (fr) | 1999-12-17 | 2000-12-14 | Dispositif de chauffage de l'air, de fluides et des mat riaux, en milieu sec ou humide, aliment en courant basse tension ou tbts alternatif ou continu |
Country Status (10)
Country | Link |
---|---|
US (1) | US6963054B2 (fr) |
EP (1) | EP1247430B1 (fr) |
AT (1) | ATE375074T1 (fr) |
AU (1) | AU2526701A (fr) |
DE (1) | DE60036644T2 (fr) |
DK (1) | DK1247430T3 (fr) |
ES (1) | ES2295077T3 (fr) |
FR (1) | FR2802761B1 (fr) |
PT (1) | PT1247430E (fr) |
WO (1) | WO2001045465A1 (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100521833C (zh) * | 2002-11-22 | 2009-07-29 | 皇家飞利浦电子股份有限公司 | 溶胶-凝胶基加热元件及包含该加热元件的家用电器 |
FR2852478B1 (fr) * | 2003-03-10 | 2006-07-07 | Alain Marec | Perfectionnement aux dispositifs de chauffage du type bandes chauffantes. |
WO2005101906A1 (fr) * | 2004-03-18 | 2005-10-27 | Alain Marec | Perfectionnement aux dispositifs de chauffage du type bandes chauffantes |
CA2574979A1 (fr) | 2004-07-29 | 2006-02-09 | Espeed, Inc. | Systemes et procedes pour fournir des axes de prix dynamiques |
US20080056694A1 (en) * | 2006-08-29 | 2008-03-06 | Richard Cooper | Radiant heater |
CN102089589A (zh) * | 2007-02-20 | 2011-06-08 | 西莫塞莱米克斯公司 | 气体加热装置和方法 |
US20090223946A1 (en) * | 2008-03-04 | 2009-09-10 | Ravindra Wijesiriwardana | Comb powering conductors based flexible thermal radiator |
FR2999594A1 (fr) | 2012-12-13 | 2014-06-20 | Lorraine Peintures | Peinture chauffante amelioree. |
US10157294B2 (en) | 2013-11-26 | 2018-12-18 | CaffeiNATION Signings (Series 3 of Caffeinaton Series, LLC) | Systems, methods and computer program products for managing remote execution of transaction documents |
CH719589A1 (fr) | 2022-04-12 | 2023-10-31 | Graphenaton Tech Sa | Encre comportant du graphène. |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3798419A (en) * | 1973-03-12 | 1974-03-19 | Gould Inc | Electrical surface heating assembly |
US4151366A (en) * | 1977-06-30 | 1979-04-24 | General Electric Company | Flame resistant, insulated multi-conductor electric cable |
US4237366A (en) * | 1979-03-19 | 1980-12-02 | Texas Instruments Incorporated | Heated automobile mirror |
DE2936398A1 (de) * | 1979-09-08 | 1981-03-26 | Ver Glaswerke Gmbh | Elektrisch beheizbare glasscheibe |
US4485297A (en) * | 1980-08-28 | 1984-11-27 | Flexwatt Corporation | Electrical resistance heater |
JPS60193288A (ja) * | 1984-03-15 | 1985-10-01 | 徳丸 千之助 | シ−ト状発熱体 |
JPS61109289A (ja) * | 1984-11-01 | 1986-05-27 | 日本碍子株式会社 | セラミツクヒ−タおよびその製造方法 |
US4931627A (en) * | 1988-08-16 | 1990-06-05 | Illinois Tool Works Inc. | Positive temperature coefficient heater with distributed heating capability |
US5206482A (en) * | 1990-11-08 | 1993-04-27 | Smuckler Jack H | Self regulating laminar heating device and method of forming same |
JP2777488B2 (ja) * | 1991-07-25 | 1998-07-16 | ローム株式会社 | 加熱体の構造及びoa機器の加熱装置 |
FR2709590B1 (fr) * | 1993-09-03 | 1995-11-24 | Renaudin Peintures | Matière fluide ou pâteuse électriquement conductrice. |
FR2709589B1 (fr) * | 1993-09-03 | 1996-08-14 | Renaudin Peintures Tech | Matière fluide ou pâteuse électriquement conductrice. |
WO1999039550A1 (fr) * | 1998-02-02 | 1999-08-05 | Elsässer, Manfred | Element chauffant plat et utilisations d'elements chauffants plats |
-
1999
- 1999-12-17 FR FR9916108A patent/FR2802761B1/fr not_active Expired - Fee Related
-
2000
- 2000-12-14 ES ES00988925T patent/ES2295077T3/es not_active Expired - Lifetime
- 2000-12-14 EP EP00988925A patent/EP1247430B1/fr not_active Expired - Lifetime
- 2000-12-14 PT PT00988925T patent/PT1247430E/pt unknown
- 2000-12-14 AU AU25267/01A patent/AU2526701A/en not_active Abandoned
- 2000-12-14 WO PCT/FR2000/003547 patent/WO2001045465A1/fr active IP Right Grant
- 2000-12-14 DK DK00988925T patent/DK1247430T3/da active
- 2000-12-14 DE DE60036644T patent/DE60036644T2/de not_active Expired - Lifetime
- 2000-12-14 US US10/149,977 patent/US6963054B2/en not_active Expired - Fee Related
- 2000-12-14 AT AT00988925T patent/ATE375074T1/de active
Non-Patent Citations (1)
Title |
---|
See references of WO0145465A1 * |
Also Published As
Publication number | Publication date |
---|---|
US6963054B2 (en) | 2005-11-08 |
PT1247430E (pt) | 2008-02-12 |
WO2001045465A1 (fr) | 2001-06-21 |
FR2802761A1 (fr) | 2001-06-22 |
ATE375074T1 (de) | 2007-10-15 |
EP1247430B1 (fr) | 2007-10-03 |
FR2802761B1 (fr) | 2002-03-08 |
DK1247430T3 (da) | 2008-02-04 |
US20030000941A1 (en) | 2003-01-02 |
AU2526701A (en) | 2001-06-25 |
ES2295077T3 (es) | 2008-04-16 |
DE60036644T2 (de) | 2008-07-24 |
WO2001045465A8 (fr) | 2001-07-12 |
DE60036644D1 (de) | 2007-11-15 |
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