ES2585281B2 - Portable solar cooker - Google Patents
Portable solar cooker Download PDFInfo
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- ES2585281B2 ES2585281B2 ES201630899A ES201630899A ES2585281B2 ES 2585281 B2 ES2585281 B2 ES 2585281B2 ES 201630899 A ES201630899 A ES 201630899A ES 201630899 A ES201630899 A ES 201630899A ES 2585281 B2 ES2585281 B2 ES 2585281B2
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- 239000007787 solid Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000010411 cooking Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
- Y02B40/18—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers using renewables, e.g. solar cooking stoves, furnaces or solar heating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Engineering & Computer Science (AREA)
- Cookers (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
Cocina solar port�til.#Cocina solar (1) port�til, que comprende un mecanismo de apertura y cierre de la superficie reflectora (2), sujeta mediante perfiles parab�licos (3); unos medios de sujeci�n de la superficie reflectora (2), aptos para permitir su giro de 360� con eje vertical y de 90� con eje perpendicular al anterior; donde el mecanismo de apertura y cierre comprende un primer cuerpo (4) central, un segundo cuerpo (5) en el extremo superior (4.2) del anterior, donde los perfiles parab�licos (3) est�n sujetos por su primer extremo (3.1) a la base superior (5.1) del segundo cuerpo (5), mediante un primer eje de giro (6) respectivamente y, un elemento deslizante (7) a lo largo del primer cuerpo (4) central, con unos medios de conexi�n del mismo a cada uno de dichos perfiles parab�licos (3), y; unos medios de soporte del recipiente a calentar independientes del resto de elementos.Portable solar cooker. # Portable solar cooker (1), comprising a mechanism for opening and closing the reflecting surface (2), held by parabolic profiles (3); means for securing the reflecting surface (2), suitable for allowing its rotation 360 ° with vertical axis and 90� with axis perpendicular to the previous one; where the opening and closing mechanism comprises a first central body (4), a second body (5) at the upper end (4.2) of the previous one, where the parabolic profiles (3) are held by its first end ( 3.1) to the upper base (5.1) of the second body (5), by means of a first axis of rotation (6) respectively and, a sliding element (7) along the first central body (4), with connecting means In each of said parabolic profiles (3), and; support means of the container to be heated independent of the rest of the elements.
Description
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DESCRIPCIONDESCRIPTION
Cocina solar portatilPortable solar cooker
Campo tecnico de la invencionTechnical field of the invention
La presente invencion corresponde al campo tecnico de las cocinas solares, destinada a calentar un recipiente contenedor de solidos o Kquidos por concentration de los rayos solares en una superficie reflectora que presenta forma de paraboloide.The present invention corresponds to the technical field of solar cookers, intended to heat a solid or liquid container container by concentrating the sun's rays on a reflective surface that has a paraboloid shape.
Antecedentes de la InvencionBackground of the Invention
En la actualidad existe una variedad de cocinas solares que tratan de resolver el problema de poder cocinar los alimentos al aire libre, bien en el jardm de una casa o en el campo, pero siempre con la condition de utilizar el sol como unica fuente de energia.At present there is a variety of solar cookers that try to solve the problem of being able to cook food outdoors, either in the garden of a house or in the countryside, but always with the condition of using the sun as the only source of energy .
El sector de las fuentes de energia renovables siempre ha sido uno de los temas de estudio que mayor interes han causado. En dicho campo, aun queda mucho por desarrollar y potenciar, sobretodo orientando este uso a regiones no desarrolladas que carecen de un correcto suministro de otros modos energia.The renewable energy sources sector has always been one of the subjects of study that have caused the greatest interest. In this field, there is still much to develop and strengthen, especially by targeting this use to undeveloped regions that lack a proper supply of other energy modes.
En este sentido, es necesario desarrollar estructuras que sirvan para cocinar con energia solar y que puedan ser realizadas con un bajo coste ademas de que permitan ser plegadas y transportadas facilmente.In this sense, it is necessary to develop structures that serve to cook with solar energy and that can be made with a low cost in addition to allowing them to be easily folded and transported.
Este tipo de cocinas solares, pueden por tanto solucionar la falta de medios para cocinar los alimentos en aquellos lugares del mundo subdesarrollado en los que no existe una apropiada oferta de energia electrica o incluso esta es nula. Asi mismo, pueden igualmente ser de gran utilidad en el mundo desarrollado, orientadas al uso de las mismas en actividades al aire libre, deportivas, de excursionismo o acampada...This type of solar cookers, can therefore solve the lack of means to cook food in those parts of the underdeveloped world where there is no appropriate supply of electricity or even this is nil. Likewise, they can also be very useful in the developed world, oriented to their use in outdoor activities, sports, hiking or camping ...
Como ejemplo del estado de la tecnica pueden mencionarse los documentos de referencia ES0295141 y ES2302422.As an example of the state of the art, reference documents ES0295141 and ES2302422 can be mentioned.
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En el documento de referencia ES0295141 se define una cocina solar constituida por una pantalla parabolica de resinas sinteticas sobre la que se adosan espejos de cristal de forma romboidea.Reference document ES0295141 defines a solar cooker consisting of a parabolic screen of synthetic resins on which rhomboid glass mirrors are attached.
Dicha pantalla se encuentra colgada de un eje horizontal que pasa por la parte superior de la pantalla y la atraviesa de lado a lado. El mismo eje sostiene el dispositivo para colocar el recipiente de coccion, que presenta dos puntos de giro que regulan la posicion de la pantalla respecto del recipiente de coccion.This screen is hung on a horizontal axis that passes through the top of the screen and crosses it from side to side. The same axis holds the device to place the cooking vessel, which has two pivot points that regulate the position of the screen with respect to the cooking vessel.
El armazon metalico sostiene el eje que suspende la pantalla y el recipiente de coccion termina en un pie vertical que a su vez descansa en un tripode con sus correspondientes ruedas giratorias para poder dar mayor movilidad a la cocina. Tambien presenta dos movimientos giratorios sobre el eje vertical y de inclination de la pantalla.The metal frame supports the axis that suspends the screen and the cooking vessel ends on a vertical foot that in turn rests on a tripod with its corresponding rotating wheels to give greater mobility to the kitchen. It also has two rotating movements on the vertical axis and inclination of the screen.
Resulta por tanto una cocina solar que aunque trata de aportar movilidad mediante las ruedas giratorias en los pies del tripode, y puede girarse comodamente en busca de la orientation adecuada en funcion de la posicion del sol, resulta bastante rigida al no presentar la opcion de plegado de los cuerpos que la forman, por lo que su transporte no resulta ni comodo ni sencillo, dadas las dimensiones que pueden llegar a adoptar las partes constituyentes de estas cocinas, en especial la pantalla parabolica.It is therefore a solar cooker that although it tries to provide mobility by means of the rotating wheels on the tripod's feet, and can be turned comfortably in search of the appropriate orientation depending on the position of the sun, it is quite rigid when not presenting the folding option of the bodies that form it, so that its transport is neither comfortable nor simple, given the dimensions that the constituent parts of these kitchens can adopt, especially the parabolic screen.
En el documento de referencia ES2302422, se define una cocina solar de concentration, que dispone de un concentrador parabolico de foco profundo y alto rendimiento, plegable. Presenta un tripode plegable, un detector de eficiencia solar, un soporte para el recipiente de cocinado y, una bolsa confeccionada con material ligero y flexible para su transporte.In reference document ES2302422, a concentration solar cooker is defined, which has a parabolic concentrator with a deep focus and high performance, foldable. It features a folding tripod, a solar efficiency detector, a support for the cooking vessel and a bag made of lightweight and flexible material for transport.
En este caso si se considera la option de que la cocina solar sea plegable, en busca de un mejor transporte y almacenamiento de la misma. No obstante, en este caso esta cocina solar presenta un proceso de montaje y desmontaje bastante complicado, dado que deben desmontarse todas las partes de la cocina, incluido el soporte del recipiente, que tambien esta conectado a la misma.In this case, if you consider the option of the solar cooker to be foldable, in search of better transport and storage. However, in this case this solar cooker has a quite complicated assembly and disassembly process, since all the parts of the kitchen, including the support of the container, which is also connected to it, must be disassembled.
El resultado es una cocina por piezas que se introduce en una bolsa ligera, pero al haber de separar todas las piezas de la misma, el proceso que trata de facilitar el transporte, resulta demasiado complejo como para poder plantearse realizarlo de forma frecuente, dado que se pierde demasiado tiempo en el ensamblaje de cada una de dichas piezas.The result is a kitchen by pieces that is introduced in a light bag, but having to separate all the pieces of it, the process that tries to facilitate transport, is too complex to be able to do it frequently, since Too much time is wasted in the assembly of each of these parts.
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Por tanto, aunque si es una cocina solar plegable, no resulta eficaz en la practica. Descripcion de la invencionTherefore, although it is a folding solar cooker, it is not effective in practice. Description of the invention
La cocina solar portatil, destinada a calentar un recipiente contenedor de solidos o Kquidos por concentration de los rayos solares en una superficie reflectora que presenta forma de paraboloide que aqu se presenta, comprende un mecanismo de apertura y cierre de la superficie reflectora, donde dicha superficie reflectora esta sujeta mediante una serie de perfiles parabolicos que presentan un primer extremo proximo al centro de la superficie reflectora y un segundo extremo en el contorno exterior de la misma.The portable solar cooker, intended to heat a container containing solids or Kquidos by concentration of the sun's rays on a reflective surface that has a paraboloid shape presented here, comprises a mechanism for opening and closing the reflecting surface, where said surface The reflector is secured by a series of parabolic profiles that have a first end near the center of the reflecting surface and a second end on the outer contour thereof.
Esta cocina solar portatil comprende ademas unos medios de sujecion de la superficie reflectora y de dicho mecanismo de apertura y cierre, aptos para permitir el giro de la misma 360° alrededor de un eje vertical y 90° alrededor de un eje perpendicular al anterior y, unos medios de soporte del recipiente a calentar independientes del resto de elementos.This portable solar cooker also includes means for fastening the reflective surface and said opening and closing mechanism, suitable for allowing the rotation thereof 360 ° around a vertical axis and 90 ° around an axis perpendicular to the previous one and, support means of the container to be heated independent of the rest of the elements.
Dicho mecanismo de apertura y cierre comprende un primer cuerpo central de forma tubular recta, con un extremo inferior fijado a los medios de sujecion de la superficie reflectora y un extremo superior opuesto, un segundo cuerpo de forma cilmdrica de mayor diametro y menor longitud que el primer cuerpo, concentrico con este, y dispuesto en el extremo superior del mismo, donde los perfiles parabolicos estan sujetos de forma equidistante entre ellos por su primer extremo a dicho segundo cuerpo, en la base superior del mismo, mediante un primer eje de giro respectivamente cada uno de los perfiles parabolicos y, un elemento deslizante a lo largo del primer cuerpo central, con unos medios de conexion del mismo a cada uno de dichos perfiles parabolicos.Said opening and closing mechanism comprises a first central body of a straight tubular shape, with a lower end fixed to the fastening means of the reflecting surface and an opposite upper end, a second cylindrical body of greater diameter and shorter length than the first body, concentric with it, and arranged at the upper end thereof, where the parabolic profiles are equidistant from each other by their first end to said second body, at the upper base thereof, by a first axis of rotation respectively each of the parabolic profiles and, a sliding element along the first central body, with connection means thereof to each of said parabolic profiles.
Segun una realization preferente, los medios de conexion del elemento deslizante a cada uno de los perfiles parabolicos comprenden una serie de perfiles rectos iguales en numero a los perfiles parabolicos, con un primer extremo de dichos perfiles rectos sujeto al elemento deslizante en la superficie superior del mismo, de forma equidistante entre si y mediante un segundo eje de giro respectivamente cada uno de los perfiles rectos y, con un segundo extremo de los mismos sujeto respectivamente a uno de los perfiles parabolicos en la cara de los mismos opuesta a la superficie reflectora, en un punto de estos separado del primer eje de giro de los mismos y mediante un tercer eje de giro cada uno respectivamente.According to a preferred embodiment, the means for connecting the sliding element to each of the parabolic profiles comprise a series of straight profiles equal in number to the parabolic profiles, with a first end of said straight profiles attached to the sliding element on the upper surface of the same, equidistant from each other and by means of a second axis of rotation respectively each of the straight profiles and, with a second end thereof respectively attached to one of the parabolic profiles on the face thereof opposite to the reflecting surface, at a point thereof separated from the first axis of rotation thereof and by a third axis of rotation each respectively.
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De acuerdo con una realization preferente, los medios de sujecion de la superficie reflectora estan formados por tres tubos principales rectos, unidos por su extremo superior tal que configuran una estructura a modo de tripode, tres tubos secundarios unidos respectivamente a los extremos inferiores de dos tubos principales adyacentes mediante unos medios de enganche de cierre manual, una base cilmdrica de eje vertical, sujeta a la union de los extremos superiores de los tubos principales apta para el giro de 360° respecto de dicho eje vertical y, una serie de codos y piezas en T conectadas entre si que permiten el giro de 90° respecto a un eje perpendicular al eje vertical y que estan fijadas al eje de la base.According to a preferred embodiment, the fastening means of the reflective surface are formed by three straight main tubes, joined by their upper end such that they form a tripod-like structure, three secondary tubes connected respectively to the lower ends of two tubes. adjacent main by means of manual closing hitching means, a cylindrical base of vertical axis, attached to the union of the upper ends of the main tubes suitable for 360 ° rotation with respect to said vertical axis and, a series of elbows and parts in T connected to each other that allow the rotation of 90 ° with respect to an axis perpendicular to the vertical axis and which are fixed to the axis of the base.
En este caso y segun una realizacion preferida, la cocina solar comprende unos medios de regulation de la altura de los medios de sujecion formados por unas patas de ajuste roscado en el extremo inferior de los tubos principales.In this case and according to a preferred embodiment, the solar cooker comprises means for adjusting the height of the fastening means formed by threaded adjustment legs at the lower end of the main tubes.
Segun una realizacion preferente, el elemento deslizante presenta forma anular alrededor del primer cuerpo, siendo los ejes de ambos coincidentes.According to a preferred embodiment, the sliding element has an annular shape around the first body, the axes of both being coincident.
De acuerdo con otro aspecto, en una realizacion preferida, los medios de soporte del recipiente estan formados por tubos de pvc en su parte inferior y de cobre en su parte superior, unidos entre ellos mediante unos medios de regulacion de la altura del recipiente formados por unas regletas telescopicas con aislante termico.According to another aspect, in a preferred embodiment, the support means of the container are formed by pvc pipes in its lower part and copper in its upper part, joined together by means of height adjustment means of the container formed by Telescopic strips with thermal insulation.
En este caso y segun una realizacion preferente, la cocina solar comprende unos medios de regulacion de la altura de los medios de soporte del recipiente formados por unas patas de ajuste roscado en el extremo inferior de los tubos de pvc.In this case and according to a preferred embodiment, the solar cooker comprises means for adjusting the height of the support means of the container formed by threaded adjustment legs on the lower end of the pvc pipes.
De acuerdo con una realizacion preferente, los perfiles parabolicos presentan section en forma de H.According to a preferred embodiment, the parabolic profiles have an H-shaped section.
Segun una realizacion preferida, la cocina solar comprende una varilla telescopica concentrica al primer cuerpo que emerge a traves de la superficie reflectora, por el centro de la misma.According to a preferred embodiment, the solar cooker comprises a concentric telescopic rod to the first body that emerges through the reflecting surface, through the center thereof.
En este caso y en una realizacion preferente, la cocina solar comprende un termopar electrico en el extremo libre de la varilla telescopica, donde dicho termopar esta conectado a un lector digital.In this case and in a preferred embodiment, the solar cooker comprises an electric thermocouple at the free end of the telescopic rod, where said thermocouple is connected to a digital reader.
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Con la cocina solar portatil que aqu se propone se obtiene una mejora significativa del estado de la tecnica.With the portable solar cooker proposed here, a significant improvement in the state of the art is obtained.
Esto es asi pues se consigue una cocina solar con una estructura plegable que la hace facilmente transportable.This is so because you get a solar cooker with a folding structure that makes it easily transportable.
Al tener los medios de sujecion del recipiente a calentar, independientes del resto de los elementos, se facilita el montaje y desmontaje de la cocina solar.By having the means for holding the container to be heated, independent of the rest of the elements, the assembly and disassembly of the solar cooker is facilitated.
Esta estructura, puede realizarse con materiales reciclables, con lo que ademas resulta de bajo coste. Es una cocina ligera, resistente y que en vez de desmontarse en multitud de piezas y elementos que despues habria que volver a montar, presenta una posicion abierta y otra cerrada en la que se pliega la zona de la superficie reflectora, de manera que se favorece el transporte y al mismo tiempo, se evitan accidentes o posibles roturas por golpes en los intervalos en los que no se usa la cocina. Esto genera que sea una cocina solar muy sencilla de montar y desmontar, resultando muy practica y eficaz para el fin que se busca.This structure can be made with recyclable materials, which also results in low cost. It is a light, resistant kitchen that instead of being disassembled in a multitude of parts and elements that would later be reassembled, has an open and closed position in which the area of the reflecting surface is folded, so that it is favored the transport and at the same time, accidents or possible breakages by blows are avoided in the intervals in which the kitchen is not used. This generates that it is a very simple solar kitchen to assemble and disassemble, being very practical and effective for the purpose that is sought.
Breve descripcion de los dibujosBrief description of the drawings
Con objeto de ayudar a una mejor comprension de las caracteristicas del invento, de acuerdo con un ejemplo preferente de realizacion practica del mismo, se aporta como parte integrante de dicha descripcion, una serie de dibujos donde, con caracter ilustrativo y no limitativo, se ha representado lo siguiente:In order to help a better understanding of the features of the invention, according to a preferred example of practical realization thereof, a series of drawings are provided as an integral part of said description where, with an illustrative and non-limiting nature, represented the following:
La Figura 1.- Muestra una vista de la superficie reflectante en una posicion abierta de la cocina solar plegable, para un modo de realizacion preferente de la invencion.Figure 1.- Shows a view of the reflective surface in an open position of the collapsible solar cooker, for a preferred embodiment of the invention.
La Figura 2.- Muestra una vista del mecanismo de apertura y cierre de la superficie reflectora, segun el detalle A de la Figura 1, para un modo de realizacion preferente de la invencion.Figure 2.- Shows a view of the opening and closing mechanism of the reflecting surface, according to detail A of Figure 1, for a preferred embodiment of the invention.
La Figura 3.- Muestra una vista de la superficie reflectante en una posicion cerrada de la cocina solar plegable, para un modo de realizacion preferente de la invencion.Figure 3.- Shows a view of the reflective surface in a closed position of the collapsible solar cooker, for a preferred embodiment of the invention.
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La Figura 4.- Muestra una vista en perspectiva desde la zona superior de la superficie reflectora de la cocina solar plegable, para un modo de realization preferente de la invention.Figure 4.- Shows a perspective view from the upper area of the reflective surface of the folding solar cooker, for a preferred embodiment of the invention.
La Figura 5.- Muestra una vista del detalle B de la Figura 4, para un modo de realizacion preferente de la invencion.Figure 5.- Shows a view of detail B of Figure 4, for a preferred embodiment of the invention.
La Figura 6.- Muestra una vista en perspectiva de la cocina solar plegable, para un modo de realizacion preferente de la invencion.Figure 6.- Shows a perspective view of the collapsible solar cooker, for a preferred embodiment of the invention.
Las Figuras 7.1 y 7.2.- Muestran respectivamente una vista en perspectiva de los medios de soporte del recipiente a calentar y del detalle C de la misma, de la cocina solar plegable, para un modo de realizacion preferente de la invencion.Figures 7.1 and 7.2.- Show respectively a perspective view of the support means of the container to be heated and of the detail C thereof, of the collapsible solar cooker, for a preferred embodiment of the invention.
Description detallada de un modo de realizacion preferente de la invencionDetailed description of a preferred embodiment of the invention
A la vista de las figuras aportadas, puede observarse como en un modo de realizacion preferente de la invencion, la cocina solar (1) portatil que aqu se propone esta destinada a calentar un recipiente contenedor de solidos o liquidos por concentration de los rayos solares en una superficie reflectora (2) que presenta forma de paraboloide.In view of the figures provided, it can be observed that in a preferred embodiment of the invention, the portable solar cooker (1) proposed here is intended to heat a container containing solids or liquids by concentration of the solar rays in a reflective surface (2) having a paraboloid shape.
Esta cocina solar (1) portatil comprende un mecanismo de apertura y cierre de la superficie reflectora (2), unos medios de sujecion de la misma y de dicho mecanismo de apertura y cierre y, unos medios de soporte del recipiente a calentar independientes del resto de elementos.This portable solar cooker (1) comprises a mechanism for opening and closing the reflecting surface (2), means for holding it and said opening and closing mechanism, and means for supporting the container to be heated independent of the rest. Of elements.
Como se muestra en las Figuras 1, 3, 4 y 6, la superficie reflectora (2) esta sujeta mediante una serie de perfiles parabolicos (3) que presentan un primer extremo (3.1) proximo al centro de la superficie reflectora (2) y un segundo extremo (3.2) en el contorno exterior de la misma.As shown in Figures 1, 3, 4 and 6, the reflective surface (2) is secured by a series of parabolic profiles (3) that have a first end (3.1) near the center of the reflective surface (2) and a second end (3.2) in the outer contour thereof.
El mecanismo de apertura y cierre de esta cocina solar (1) comprende, como puede observarse con detalle en la Figura 2, un primer cuerpo (4) central de forma tubular recta con un extremo inferior (4.1) fijado a los medios de sujecion de la superficie reflectora (2) y un extremo superior (4.2) opuesto, un segundo cuerpo (5) de forma cilmdrica de mayor diametro y menor longitud que el primer cuerpo (4), concentrico con este, y dispuesto en elThe opening and closing mechanism of this solar cooker (1) comprises, as can be seen in detail in Figure 2, a first central body (4) of a straight tubular shape with a lower end (4.1) fixed to the fastening means of the reflecting surface (2) and an opposite upper end (4.2), a second cylindrical body (5) of greater diameter and shorter length than the first body (4), concentric with this, and arranged in the
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extremo superior (4.2) del mismo, donde los perfiles parabolicos (3) estan sujetos de forma equidistante entre ellos por su primer extremo (3.1) a dicho segundo cuerpo (5), en la base superior (5.1) del mismo, mediante un primer eje de giro (6) respectivamente cada uno de los perfiles parabolicos (3) y, un elemento deslizante (7) a lo largo del primer cuerpo (4) central, con unos medios de conexion del mismo a cada uno de dichos perfiles parabolicos (3).upper end (4.2) thereof, where the parabolic profiles (3) are equidistant from each other by their first end (3.1) to said second body (5), at the upper base (5.1) thereof, by means of a first axis of rotation (6) respectively each of the parabolic profiles (3) and, a sliding element (7) along the first central body (4), with connecting means thereof to each of said parabolic profiles ( 3).
Como se muestra en las Figuras 1 y 2, en este modo de realization preferente de la invention los medios de conexion del elemento deslizante (7) a cada uno de los perfiles parabolicos (3) comprenden una serie de perfiles rectos (8) iguales en numero a los perfiles parabolicos (3), con un primer extremo (8.1) de dichos perfiles rectos (8) sujeto al elemento deslizante (7) en la superficie superior (7.1) del mismo, de forma equidistante entre si y mediante un segundo eje de giro (9) respectivamente cada uno de los perfiles rectos (8) y, con un segundo extremo (8.2) de los mismos sujeto respectivamente a uno de los perfiles parabolicos (3) en la cara de los mismos opuesta a la superficie reflectora (2), en un punto de estos separado del primer eje de giro (6) de los mismos y mediante un tercer eje de giro (18) cada uno respectivamente.As shown in Figures 1 and 2, in this preferred embodiment of the invention the connection means of the sliding element (7) to each of the parabolic profiles (3) comprise a series of straight profiles (8) equal in number to the parabolic profiles (3), with a first end (8.1) of said straight profiles (8) attached to the sliding element (7) on the upper surface (7.1) thereof, equidistant from each other and by a second axis of rotation (9) respectively each of the straight profiles (8) and, with a second end (8.2) of the same subject respectively to one of the parabolic profiles (3) on the face thereof opposite the reflecting surface ( 2), at a point thereof separated from the first axis of rotation (6) thereof and by a third axis of rotation (18) each respectively.
Asi mismo, en este modo de realizacion preferente de la invencion, dicho elemento deslizante (7) presenta forma anular alrededor del primer cuerpo (4), siendo los ejes de ambos coincidentes.Likewise, in this preferred embodiment of the invention, said sliding element (7) has an annular shape around the first body (4), the axes of both being coincident.
Por su parte, los medios de sujecion de la superficie reflectora (2) son aptos para permitir el giro de la misma 360° alrededor de un eje vertical y 90° alrededor de un eje perpendicular al anterior y estan formados por tres tubos principales (10) rectos, unidos por su extremo superior (10.2) tal que configuran una estructura a modo de tripode y tres tubos secundarios (11) unidos respectivamente a los extremos inferiores (10.1) de dos tubos principales (10) adyacentes mediante unos medios de enganche de cierre manual.On the other hand, the fastening means of the reflecting surface (2) are capable of allowing the rotation thereof 360 ° around a vertical axis and 90 ° around an axis perpendicular to the previous one and are formed by three main tubes (10 ) straight, joined by its upper end (10.2) such that they form a tripod-like structure and three secondary tubes (11) respectively connected to the lower ends (10.1) of two adjacent main tubes (10) by means of hook-up means manual closing
Dichos medios de sujecion de la superficie reflectora (2) comprenden ademas una base (12) cilmdrica de eje vertical, sujeta a la union de los extremos superiores (10.2) de los tubos principales (10) apta para el giro de 360° respecto de dicho eje vertical y, una serie de codos y piezas en T (13) conectadas entre si que permiten el giro de 90° respecto a un eje perpendicular al eje vertical y que estan fijadas al eje de la base (12).Said fastening means for the reflecting surface (2) further comprise a cylindrical base (12) of vertical axis, attached to the union of the upper ends (10.2) of the main tubes (10) suitable for 360 ° rotation with respect to said vertical axis and, a series of elbows and T-pieces (13) connected to each other that allow the rotation of 90 ° with respect to an axis perpendicular to the vertical axis and which are fixed to the axis of the base (12).
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En este modo de realizacion preferente de la invention, como se muestra en la Figura 6, la cocina solar (1) comprende unos medios de regulation de la altura de los medios de sujecion formados por unas patas de ajuste (14) roscado en el extremo inferior (10.1) de los tubos principales (10).In this preferred embodiment of the invention, as shown in Figure 6, the solar cooker (1) comprises means for adjusting the height of the fastening means formed by adjusting legs (14) threaded at the end bottom (10.1) of the main tubes (10).
Los medios de soporte del recipiente, en este modo de realizacion preferente de la invencion, tal y como puede observarse en las Figuras 7.1 y 7.2, estan formados por tubos de pvc (15.1) en su parte inferior y de cobre (15.2) en su parte superior, unidos entre ellos mediante unos medios de regulacion de la altura del recipiente formados por unas regletas telescopicas (16) con aislante termico.The support means of the container, in this preferred embodiment of the invention, as can be seen in Figures 7.1 and 7.2, are formed by pvc pipes (15.1) in their lower part and copper (15.2) in their upper part, joined together by means of height adjustment of the container formed by telescopic strips (16) with thermal insulation.
En este modo de realizacion preferente de la invencion, la cocina solar (1) comprende unos medios de regulacion de la altura de los medios de soporte del recipiente formados por unas patas de ajuste roscado en el extremo inferior de los tubos de pvc (15.1). Con estos medios de soporte se trata de sostener el recipiente sobre el que concentramos los rayos solares evitando, en la medida de lo posible, dar sombra al paraboloide que forma la superficie reflectora (2).In this preferred embodiment of the invention, the solar cooker (1) comprises means for adjusting the height of the support means of the container formed by threaded adjustment legs on the lower end of the pvc pipes (15.1) . With these support means it is about holding the container on which we concentrate the sun's rays avoiding, as far as possible, giving shade to the paraboloid that forms the reflecting surface (2).
Por su parte, los perfiles parabolicos (3) presentan, en este modo de realizacion preferente de la invencion, una section en forma de H.On the other hand, the parabolic profiles (3) present, in this preferred embodiment of the invention, an H-shaped section.
Como puede observarse en la Figura 4, en este modo de realizacion preferente de la invencion, la cocina solar (1) comprende una varilla telescopica (17) concentrica al primer cuerpo (4) que emerge a traves de la superficie reflectora (2), por el centro de la misma. Asi mismo, esta cocina solar (1) presenta en el extremo libre (17.1) de la varilla telescopica (17), un termopar electrico conectado a un lector digital que facilita al usuario los valores termicos de la cocina, con lo que dispone de la information acerca de la correcta position tanto del punto focal como de la orientation de la superficie reflectora (2) con forma de paraboloide.As can be seen in Figure 4, in this preferred embodiment of the invention, the solar cooker (1) comprises a telescopic rod (17) concentric to the first body (4) that emerges through the reflecting surface (2), through the center of it. Likewise, this solar cooker (1) presents at the free end (17.1) of the telescopic rod (17), an electric thermocouple connected to a digital reader that provides the user with the thermal values of the kitchen, which has the information about the correct position of both the focal point and the orientation of the reflective surface (2) in the shape of a paraboloid.
En este modo de realizacion preferente de la invencion, tanto los perfiles parabolicos (3) como el primer y el segundo cuerpo (4, 5) del mecanismo de apertura y cierre, estan realizados con pvc, conformados mediante calor. Tambien la base (12) cilmdrica de los medios de sujecion de la superficie reflectora (2) estan formados mediante pvc. Por su parte, la superficie reflectora (2) esta formada mediante poliestireno.In this preferred embodiment of the invention, both the parabolic profiles (3) and the first and second body (4, 5) of the opening and closing mechanism are made of PVC, formed by heat. Also the cylindrical base (12) of the fastening means of the reflecting surface (2) are formed by pvc. For its part, the reflecting surface (2) is formed by polystyrene.
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La forma de realization descrita constituye unicamente un ejemplo de la presente invention, por tanto, los detalles, terminos y frases espedficos utilizados en la presente memoria no se han de considerar como limitativos, sino que han de entenderse unicamente como una base para las reivindicaciones y como una base representativa que proporcione una description comprensible asi como la information suficiente al experto en la materia para aplicar la presente invencion.The described embodiment is only an example of the present invention, therefore, the specific details, terms and phrases used herein are not to be considered as limiting, but are only to be understood as a basis for the claims and as a representative basis that provides an understandable description as well as sufficient information to the person skilled in the art to apply the present invention.
Con la cocina solar portatil que aqu se presenta se consiguen importantes mejoras respecto al estado de la tecnica.With the portable solar cooker presented here, important improvements are achieved regarding the state of the art.
Es una cocina solar realizada con materiales reciclables que resulta de bajo coste y ademas respetuosa con el medio ambiente.It is a solar cooker made with recyclable materials that is low cost and also respectful of the environment.
Gracias a su modo de plegado, es facilmente transportable de un lugar a otro y no presenta ninguna dificultad en volver a montarla ya que simplemente se trata de un plegado/desplegado de las partes de la estructura, y no de un desmontaje de las piezas que requiera un aparatoso y lento montaje posterior.Thanks to its folding mode, it is easily transportable from one place to another and does not present any difficulty in reassembling it since it is simply a folding / unfolding of the parts of the structure, and not a disassembly of the parts that require a slow and slow assembly later.
Por tanto resulta muy facil de colocar en una position de transporte y no cabe la posibilidad de perdida de ninguna de las partes de la estructura, al estar plegada y no desmontada.Therefore it is very easy to place in a transport position and there is no possibility of loss of any of the parts of the structure, being folded and not disassembled.
En por tanto una cocina solar portatil muy practica, eficaz y sencilla de utilizar.Therefore, a portable solar cooker very practical, efficient and easy to use.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201630899A ES2585281B2 (en) | 2016-07-01 | 2016-07-01 | Portable solar cooker |
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| Application Number | Priority Date | Filing Date | Title |
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| ES201630899A ES2585281B2 (en) | 2016-07-01 | 2016-07-01 | Portable solar cooker |
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| ES2585281B2 true ES2585281B2 (en) | 2017-01-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4947825A (en) * | 1989-09-11 | 1990-08-14 | Rockwell International Corporation | Solar concentrator - radiator assembly |
| US9377215B2 (en) * | 2011-07-22 | 2016-06-28 | Applied Sunshine, Llc | Solar cooking apparatus |
| US20130081671A1 (en) * | 2011-09-29 | 2013-04-04 | Joseph Y. Hui | Sun Tracking Foldable Solar Umbrellas for Electricity and Hot Water Generation |
| CN102901231B (en) * | 2012-09-18 | 2014-10-29 | 皇明太阳能股份有限公司 | Portable solar cooker |
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