ES2313849A1 - Electrical appliance intended for heating of premises (Machine-translation by Google Translate, not legally binding) - Google Patents

Electrical appliance intended for heating of premises (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES2313849A1
ES2313849A1 ES200800574A ES200800574A ES2313849A1 ES 2313849 A1 ES2313849 A1 ES 2313849A1 ES 200800574 A ES200800574 A ES 200800574A ES 200800574 A ES200800574 A ES 200800574A ES 2313849 A1 ES2313849 A1 ES 2313849A1
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Spain
Prior art keywords
radiator
heat
primary radiators
heating
secondary radiator
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Granted
Application number
ES200800574A
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Spanish (es)
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ES2313849B2 (en
Inventor
Ricardo Javier Fernandez Tome
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Elnur SA
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Elnur SA
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Priority to ES200800574A priority Critical patent/ES2313849B2/en
Publication of ES2313849A1 publication Critical patent/ES2313849A1/en
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Publication of ES2313849B2 publication Critical patent/ES2313849B2/en
Expired - Fee Related legal-status Critical Current
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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
    • F24C7/06—Arrangement or mounting of electric heating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D13/00—Electric heating systems
    • F24D13/02—Electric heating systems solely using resistance heating, e.g. underfloor heating
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Central Heating Systems (AREA)

Abstract

Electric appliance for heating rooms, consisting of one or more primary radiators (2), included in a secondary radiator (4) that amplifies the extension of the radiant surface, blurring the transfer of heat from the radiator or primary radiators (2) and channeling convection heat transmission through the body of the secondary radiator (4) thus heating the air of the room, the primary radiators being held by dielectric elements (3) to the secondary radiator (4), in order that the transfer of heat occurs mainly by radiation and by convection, while the transmission of heat by conduction is minimal. (Machine-translation by Google Translate, not legally binding)

Description

Aparato eléctrico destinado a calefacción de locales.Electric appliance intended for heating local.

Objeto de la invenciónObject of the invention

La presente invención se refiere a un aparato eléctrico destinado a la calefacción de locales con una emisión calorífica directa amplificada.The present invention relates to an apparatus electric intended for heating premises with an emission direct calorific amplified.

Antecedentes de la invenciónBackground of the invention

Los aparatos eléctricos destinados a la calefacción directa de locales son bien conocidos y de muy distintas realizaciones, teniendo todos ellos en común que proporcionan energía mediante efecto Joule calentando el local donde se encuentran por radiación, convección y conducción.Electrical appliances intended for Direct heating of premises are well known and very different embodiments, all of them having in common that provide energy through Joule effect by heating the room where they are found by radiation, convection and conduction.

Los aparatos de calefacción que funcionan por radiación y/o por convención presentan la ventaja de que el calor se reparte uniformemente por el aire, mientras que el aparato está a una temperatura relativamente baja que permite poner la mano encima sin quemarse. Cuando se trata de una instalación común para todo el local y por agua caliente, se emplean aparatos que, aunque se denominan "radiadores", funcionan por radiación y por convención. Cuando se opta por aparatos de calefacción independientes, que funcionan mediante energía eléctrica, se emplean convectores y radiadores de aceite que presentan un buen rendimiento, pero tienen unos costes de fabricación elevados. En general en todos ellos, al menos una parte del calor se transmite por conducción lo que provoca un calentamiento excesivo del aparato que puede llegar a producir quemaduras cuando se toca involuntariamente en él.The heating devices that work by radiation and / or by convention have the advantage that heat it is distributed evenly through the air while the device is at a relatively low temperature that allows you to put your hand on without burning. When it comes to a common installation for all the premises and by hot water, devices are used that, although they are called "radiators", they work by radiation and by convention. When heating appliances are chosen independent, that work by means of electrical energy, are they use convectors and oil radiators that have a good performance, but have high manufacturing costs. In general in all of them, at least part of the heat is transmitted by conduction which causes excessive heating of the device which can cause burns when touched involuntarily in him.

Descripción de la invenciónDescription of the invention

En el aparato de esta invención la cesión de calor se produce principalmente por radiación y por convección, habiéndose minimizado la transmisión de calor por conducción.In the apparatus of this invention the assignment of heat is mainly produced by radiation and convection, having minimized the transmission of heat by conduction.

Esta invención se caracteriza por tener una emisión calorífica directa originada en uno o varios radiadores primarios, incluidos en un radiador secundario que recibe esta emisión amplificando la extensión de la superficie radiante. Con esto se consigue difuminar la cesión del calor proveniente del radiador o radiadores primarios, disipando toda la energía producida con una temperatura segura en la superficie accesible del radiador secundario.This invention is characterized by having a direct heat emission originating from one or more radiators primary, included in a secondary radiator that receives this emission amplifying the extent of the radiant surface. With this is achieved by blurring the transfer of heat from the radiator or primary radiators, dissipating all the energy produced with a safe temperature on the accessible surface of the radiator secondary.

La transmisión de calor por convección se canaliza a través del cuerpo del radiador secundario y caldea así el aire de la estancia. Al mismo tiempo, se ha procurado minimizar la transmisión de calor por conducción para evitar gradientes de temperatura elevados en la superficie del radiador secundario.The convection heat transmission is channels through the body of the secondary radiator and heats well The air of the room. At the same time, efforts have been made to minimize heat transfer by conduction to avoid gradients of high temperature on the surface of the secondary radiator.

En esta invención, para minimizar la transmisión de calor por conducción entre el radiador o radiadores primarios y el radiador secundario se han empleado medios dieléctricos de sujeción con alta resistencia térmica y entre ellos se han respetado unas distancias en el aire adecuadas a tal fin. Además, esta solución permite que la invención sea considerada un equipo con doble aislamiento eléctrico o aislamiento eléctrico reforzado, admitiendo, para la construcción de los radiadores primarios el empleo de resistencias eléctricas calefactoras de aislamiento eléctrico simple.In this invention, to minimize transmission of heat by conduction between the radiator or primary radiators and the secondary radiator dielectric means of clamping with high thermal resistance and between them they have respected air distances adequate for this purpose. Further, This solution allows the invention to be considered a team with double electrical insulation or reinforced electrical insulation, admitting, for the construction of the primary radiators the use of electrical heating insulation heaters simple electric.

En esta invención los distintos acabados superficiales y el empleo de recubrimientos químicos en zonas determinadas del radiador o radiadores primarios, permiten ajustar la emisividad localmente y, de esta forma, graduar y orientar la emisión de calor de la invención, adecuando la misma a las distintas ejecuciones: portátil o instalación fija en pared.In this invention the different finishes surface and the use of chemical coatings in areas determined from the radiator or primary radiators, allow to adjust the emissivity locally and, in this way, graduate and guide the heat emission of the invention, adapting it to the different executions: portable or fixed wall installation.

Descripción de las figurasDescription of the figures

Para complementar la descripción que se está realizando y con objeto de facilitar la comprensión de las características de la invención, se acompaña a la presente memoria descriptiva un juego de dibujos en los que, con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being performing and in order to facilitate the understanding of characteristics of the invention, is attached herein descriptive a set of drawings in which, with character Illustrative and not limiting, the following has been represented:

Las figuras 1 y 2 representan, respectivamente, una sección horizontal y vertical de un ejemplo de realización de la invención.Figures 1 and 2 represent, respectively, a horizontal and vertical section of an exemplary embodiment of the invention.

La figura 3 representa una sección vertical del radiador primario mostrando un ejemplo de realización del mismo.Figure 3 represents a vertical section of the primary radiator showing an example of embodiment of same.

Realización preferente de la invenciónPreferred Embodiment of the Invention

Una resistencia eléctrica (1) embutida dentro de un perfil de aluminio (2) constituye el radiador primario. De igual manera otras resistencias eléctricas (1') y (1'') pueden junto a otro perfil (2) constituir otro radiador primario. Los radiadores primarios están sujetos mediante elementos dieléctricos (3) al radiador secundario (4). El radiador secundario está constituido por una pluralidad de módulos de aluminio fundido ensamblados entre sí de manera tradicional.An electrical resistance (1) embedded within an aluminum profile (2) constitutes the primary radiator. Likewise way other electrical resistors (1 ') and (1' ') can next to another profile (2) constitute another primary radiator. Radiators primary are subject by dielectric elements (3) to secondary radiator (4). The secondary radiator is constituted by a plurality of cast aluminum modules assembled between Yes in a traditional way.

Las distintas resistencias eléctricas (1), (1') y (1'') están conexionadas mediante los terminales, conectores y cables eléctricos necesarios a los dispositivos de control incluidos, representados por (5).The different electrical resistors (1), (1 ') and (1 '') are connected by terminals, connectors and necessary electrical cables to control devices included, represented by (5).

La resistencia eléctrica (1) puede ser de cualquier tipo conocido actualmente prefiriéndose la de tipo blindada, donde un hilo resistivo está rodeado de un medio dieléctrico como, por ejemplo, magnesia en polvo y todo dentro de una vaina de acero laminado. El cuerpo del radiador primario (2) presenta una configuración a modo de placa alargada y está realizado preferentemente en aluminio. Para su fabricación se puede utilizar un proceso de extrusión y un posterior tronzado a medida o, directamente, moldearlo en piezas individuales. En el interior del perfil de aluminio (2) se colocará la resistencia eléctrica (1) que se fija por presión o algún otro método de fijación. Tal y como se observa en la figura 3, es posible dotar a la superficie del radiador primario de un acabado superficial que aumente la emisividad final del mismo en una de sus caras. El acabado superficial puede consistir en un estriado que puede tener distintos grados de amplitud, que aumente la superficie efectiva y varíe los ángulos de emisión de calor.The electrical resistance (1) can be any type currently known preferring the type armored, where a resistive wire is surrounded by a medium dielectric such as powdered magnesia and all within a sheath of rolled steel. The primary radiator body (2) It has an elongated plate configuration and is made  preferably in aluminum. For its manufacture it can be used an extrusion process and a subsequent custom cutting or, Directly, mold it into individual pieces. Inside of aluminum profile (2) will be placed the electrical resistance (1) that It is fixed by pressure or some other fixing method. As I know observed in figure 3, it is possible to provide the surface of the primary radiator of a surface finish that increases the final emissivity of it in one of its faces. Finish superficial may consist of a striatum that can have different degrees of amplitude, which increases the effective surface and vary the heat emission angles.

También es factible aplicar un tratamiento superficial al radiador primario, constituido por un recubrimiento químico resistente a la temperatura que pueda alcanzar la superficie. Un recubrimiento mate y oscuro aumenta la emisividad de la zona del radiador primario donde se aplica.It is also feasible to apply a treatment surface to the primary radiator, consisting of a coating temperature resistant chemical that can reach the surface. A matte and dark coating increases the emissivity of the area of the primary radiator where it is applied.

Este tratamiento superficial y el acabado superficial anteriormente descrito se pueden aplicar juntos o por separado a una o a ambas caras del radiador primario consiguiendo distintas emisividades finales.This surface treatment and finish surface described above can be applied together or by separated on one or both sides of the primary radiator getting different final emissivities.

Para las realizaciones de la invención de tipo portátil se aplica el tratamiento y/o el acabado superficial a ambas caras del radiador primario, para igualar la emisión de calor a ambos lados del equipo.For embodiments of the invention of type portable treatment and / or surface finish is applied to both sides of the primary radiator, to match the heat emission on both sides of the team.

Para las realizaciones de la invención de tipo para instalación fija sobre pared se aplica el tratamiento y/o el acabado superficial principalmente a la superficie del radiador primario orientada hacia el usuario, para de esta manera, reducir la emisión de calor hacia la pared y hacia el exterior de la estancia. Se consigue así mejorar las prestaciones de este sistema de calefacción.For embodiments of the invention of type for fixed installation on wall the treatment and / or the surface finish mainly to the radiator surface primary user-oriented, in order to reduce the emission of heat to the wall and out of the stay. This improves the performance of this system. of heating.

Claims (5)

1. Aparato eléctrico destinado a calefacción de locales, en el que la cesión de calor se produce principalmente por radiación y por convección, mientras que la transmisión de calor por conducción sea mínima, caracterizado porque está constituido por uno o varios radiadores primarios (2), incluidos en el interior de un radiador secundario (4) que amplifica la extensión de la superficie radiante, difuminando la cesión del calor proveniente del radiador o radiadores primarios (2) y canalizando la transmisión de calor por convección a través del cuerpo del radiador secundario (4) que caldea así el aire de la estancia, estando los radiadores primarios sujetos mediante elementos dieléctricos (3) al radiador secundario (4), a fin de minimizar la transmisión de calor por conducción para evitar gradientes de temperatura elevados en la superficie del radiador secundario.1. Electric apparatus for heating premises, in which the transfer of heat is mainly caused by radiation and convection, while the transmission of heat by conduction is minimal, characterized in that it is constituted by one or several primary radiators (2) , included inside a secondary radiator (4) that amplifies the extension of the radiating surface, blurring the transfer of heat from the radiator or primary radiators (2) and channeling the transmission of heat by convection through the body of the secondary radiator (4) thus heating the room air, the primary radiators being attached by dielectric elements (3) to the secondary radiator (4), in order to minimize the transmission of heat by conduction to avoid high temperature gradients on the surface of the secondary radiator 2. Aparato eléctrico destinado a calefacción de locales, según la reivindicación 1, caracterizado porque los radiadores primarios (2) están constituidos por al menos una resistencia eléctrica (1) embutida dentro de un perfil de aluminio (2) en forma de placa alargada, mientras que el radiador secundario (4) está constituido por una pluralidad de módulos de aluminio fundido conformados y ensamblados entre sí de forma similar a otros aparatos convencionales.2. An electrical apparatus intended for heating premises, according to claim 1, characterized in that the primary radiators (2) are constituted by at least one electrical resistor (1) embedded within an aluminum profile (2) in the form of an elongated plate, while the secondary radiator (4) is constituted by a plurality of molten aluminum modules formed and assembled together in a similar way to other conventional apparatus. 3. Aparato eléctrico destinado a calefacción de locales, según las reivindicaciones anteriores, caracterizado porque los medios de sujeción dieléctricos (3) aíslan y separan el radiador o radiadores primarios (2) del radiador secundario (4) una distancia precalculada, suficiente para minimizar la transmisión de calor por conducción entre el radiador o radiadores primarios y el radiador secundario.3. Electrical apparatus for heating premises, according to the preceding claims, characterized in that the dielectric clamping means (3) isolate and separate the radiator or primary radiators (2) from the secondary radiator (4) a precalculated distance, sufficient to minimize the heat transfer by conduction between the radiator or primary radiators and the secondary radiator. 4. Aparato eléctrico destinado a calefacción de locales, según las reivindicaciones anteriores, caracterizado porque los radiadores primarios (2) presentan un acabado superficial, por al menos una de sus caras, consistente en un estriado, con distintos grados de amplitud, que aumenta la superficie efectiva y varía los ángulos de emisión de calor4. Electrical apparatus for heating premises, according to the preceding claims, characterized in that the primary radiators (2) have a surface finish, at least one of their faces, consisting of a striatum, with varying degrees of amplitude, which increases the effective surface and varies the angles of heat emission 5. Aparato eléctrico destinado a calefacción de locales, según las reivindicaciones anteriores, caracterizado porque los radiadores primarios (2) presentan un recubrimiento químico superficial, en zonas determinadas, que permite ajustar la emisividad del radiador o radiadores primarios (2) localmente y así graduar y orientar la emisión de calor por el equipo.5. Electric apparatus for heating premises, according to the preceding claims, characterized in that the primary radiators (2) have a surface chemical coating, in certain areas, which allows the radiator emissivity or primary radiators (2) to be adjusted locally and thus to graduate and guide the heat emission by the equipment.
ES200800574A 2008-02-28 2008-02-28 ELECTRICAL DEVICE FOR HEATING OF PREMISES. Expired - Fee Related ES2313849B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES200800574A ES2313849B2 (en) 2008-02-28 2008-02-28 ELECTRICAL DEVICE FOR HEATING OF PREMISES.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES200800574A ES2313849B2 (en) 2008-02-28 2008-02-28 ELECTRICAL DEVICE FOR HEATING OF PREMISES.

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ES2313849A1 true ES2313849A1 (en) 2009-03-01
ES2313849B2 ES2313849B2 (en) 2009-09-22

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3396458A (en) * 1966-03-28 1968-08-13 Electro Therm Electrical heating elements and method and apparatus for making the same
FR2283619A1 (en) * 1974-08-27 1976-03-26 Rochelet Edmond Heating element for electric radiator - has spiral resistance wire embedded in refractive cement in channels of plate
FR2288441A1 (en) * 1974-10-18 1976-05-14 Promothermo Verwarmingstoepass ELECTRIC CONVECTION HEATING RADIATOR HEATING BODY
FR2330241A1 (en) * 1975-11-03 1977-05-27 Ego Elektro Blanc & Fischer TUBULAR ELECTRICAL RESISTANCE HEATING ELEMENT
FR2435880A1 (en) * 1978-09-05 1980-04-04 Hartmann Kg Bau Elektrischer A HEATING ELEMENTS CONSISTING OF PLAIN OR CANNED PROFILES
FR2764161A1 (en) * 1997-05-27 1998-12-04 Muller Et Cie Radiant/convection heating electrical resistance manufacturing procedure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3396458A (en) * 1966-03-28 1968-08-13 Electro Therm Electrical heating elements and method and apparatus for making the same
FR2283619A1 (en) * 1974-08-27 1976-03-26 Rochelet Edmond Heating element for electric radiator - has spiral resistance wire embedded in refractive cement in channels of plate
FR2288441A1 (en) * 1974-10-18 1976-05-14 Promothermo Verwarmingstoepass ELECTRIC CONVECTION HEATING RADIATOR HEATING BODY
FR2330241A1 (en) * 1975-11-03 1977-05-27 Ego Elektro Blanc & Fischer TUBULAR ELECTRICAL RESISTANCE HEATING ELEMENT
FR2435880A1 (en) * 1978-09-05 1980-04-04 Hartmann Kg Bau Elektrischer A HEATING ELEMENTS CONSISTING OF PLAIN OR CANNED PROFILES
FR2764161A1 (en) * 1997-05-27 1998-12-04 Muller Et Cie Radiant/convection heating electrical resistance manufacturing procedure

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