EP0187754A1 - Conteneur pour le chauffage a l'energie solaire et le stockage d'un liquide - Google Patents

Conteneur pour le chauffage a l'energie solaire et le stockage d'un liquide

Info

Publication number
EP0187754A1
EP0187754A1 EP84904227A EP84904227A EP0187754A1 EP 0187754 A1 EP0187754 A1 EP 0187754A1 EP 84904227 A EP84904227 A EP 84904227A EP 84904227 A EP84904227 A EP 84904227A EP 0187754 A1 EP0187754 A1 EP 0187754A1
Authority
EP
European Patent Office
Prior art keywords
container
wall
solar heat
heat
absorbing
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.)
Withdrawn
Application number
EP84904227A
Other languages
German (de)
English (en)
Inventor
Lars Eriksson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eriksson Lars
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0187754A1 publication Critical patent/EP0187754A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S60/00—Arrangements for storing heat collected by solar heat collectors
    • F24S60/30—Arrangements for storing heat collected by solar heat collectors storing heat in liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/50—Rollable or foldable solar heat collector modules
    • F24S20/55—Rollable or foldable solar heat collector modules made of flexible materials
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/50—Energy storage in industry with an added climate change mitigation effect

Definitions

  • the present invention relates to a liquid heater and container implemented such as to store liquid and heat it by utilizing solar heat, the container being preferably intended for water heating and storage in activities such as those within the leisure time sector.
  • the present invention thus has the object of providing an apparatus for the solar heating and storing of a liquid, this apparatus being implemented such that for a reasonable price it gives maximum efficiency as well as the facility of being transported easily after the occasions of use.
  • a container including a solar heat-absorbing wall, and which is characterized in that the solar heat-absorbing wall is a defining wall of the container for the liquid, in that this wall is joined to the remaining walls of the container via yielding or flexible walls, whereby the solar heat-absorbing wall is in contact with the liquid in the container irrespective of the degree of filling of the container and its orientation.
  • the invention is also suitably characterized in that the ' wall is relatively stiff and approximately flat, at least in an unloaded state.
  • ⁇ he solar heat-absorbing wall can easily be placed at right angles to the incident sun rays, whereby the absorbtion is kept at a maximum.
  • the solar heat-absorbing wall has a valve for evacuating air after filling the container.
  • the invention is also suitably characterized in that the solar heat-absorbing wall is manufactured substantially from black rubber with a matt exterior. Further advantages are achieved with the inventive subject if it is also given the characterizing features disclosed in claims 5-6.
  • Fig. 1 illustrates from above a preferred embodiment of the invention
  • Fig. 2 is a cross-section approximately along the section line A - A in Fig. 2
  • Fig. 3 is a section along the line B - B in Fig. 1.
  • the container according to a preferred embodiment of the invention has a rear or lower wall 1, and as apparent from Fig. 1 it may have a projecting portion 2 at either end with a carrying or hanging handle 3.
  • the rear wall 1 is connected to the front or upper wall 6, constituting a solar heat-absorbing wall, via the side walls 4 and 5.
  • the inventive subject may be regarded as an approximately rectangular parallelepipedic container 7 for heating and • storing a liquid, preferably water.
  • a valve 8 for filling and emptying which is placed on a projecting portion near of the lower wall 1 of the container. It is also suitable to arrange an exhaust valve 10 in the central area of the wall ⁇ for air which may have come into the container in connection with filling it.
  • both the lower surface 1 and the solar heat-absorbing surface 6 are manufactured from a comparatively stiff material, so that these surfaces may be kept approximately flat, although some deformation may take place in both surfaces to enable the bottom surface 1, for example, to be curved and configurated in conformity with the curve of an automobile roof, a boulder or other similar substructure on which the container 7 is placed during use.
  • the solar heat-absorbing wall 6 will rest in an approximately flat state on the water contained in the container 7 as the container is emptied, provided that no air gets into the container. Since the tap 8 is placed as illustrated on the drawing, and has a somewhat small through passage-, no air can come in via this passage when the container is emptied. This condition is also further ensured by the weight of the solar heat-absorbing wall itself, which together with the flexibility of the side walls 4 and 5 results in pressure on the water contained in the containe
  • the latter suitably has in its central area the above-mentione exhaust valve, via which the air in the cushion can be ⁇ released when the container is filled and the valve 8 is closed. Since the air is evacuated in this way when the container is filled, no new air can come in and it is ensured thereby that there is complete contact between the inside of the solar heat-absorbing wall 6 and the water, irrespective of the degree to which the container is filled and also irrespective of the orientation of the container.
  • the outside of the solar heat-absorbing wall should be matt black and otherwise implemented such that it as effectively as possible enables the absorbtion of incident heat radiation.
  • the material in the solar heat-absorbing ' wall should naturally have as good heat conducting ability as possible, which may be achieved, e.g. by allowing the material in this wall to have reinforcement using good heat conducting metals such as aluminium or copper or in that the material is mixed with powder, small particles or a similar filler of such metal. If the solar heat-absorbing wall 6 is to have good heat conducting ability, the opposite can apply to the side walls 4 and 5 and the .bottom wall 1 in certain cases.
  • the side walls 4 and 5 are manufactured from a thin rubber sheet, possibly with fabric reinforcement, the outside of the sheet being provided with a heat- insulating foamed layer, fibre layer or the like.
  • the lower wall 1 should of course also have suitable insulation. In such cases where the sun rays cannot be expected to be incident more or less at right angles to the surface 6, one or all of the side surfaces
  • 4 and 5 may be formed as solar heat-absorbing surfaces manufactured from a material with good heat conducting properties. This implementation makes the container according to the invention less sensitive to orientation relative the sun rays, but may possibly give somewhat deteriorated maximum efficiency.
  • the heat- absorbing wall 6 comprises a metallic plate, preferably of copper or aluminium and to which the side walls 4 and
  • the tap valve 8 is placed on a project ⁇ ing portion 9 of the bottom wall 1.
  • This projecting portio 9 is, in accordance with the invention, suitably connected to the side wall 5, whereby the valve 8 will project out a an angle when the container 7 is filled, thus making it easily accessible.
  • the container according to the invention is. used in the following manner. In the transport and storage thereof it it ⁇ -R E
  • OMPI is collapsed entirely to a flat package such that the sola heat-absorbing wall 6 and the rear wall 1 are more or less in contact with each other.
  • the entire container 7 may the be stored as a flat slab, which does not need to have a thickness of more than a few centimeters.
  • the Valve 8 is opened and filled from some suitable tap.
  • the flexible side walls 4 and 5 will change shape such as to cause the wall 6 to move away from the wall 1 (the bellows is extended).
  • the container 7 will have the approximate cross section indi ⁇ cated in Fig. 2 and 3, providing that it is lying on a flat substructure.
  • valve 8 After filling the container 7, the valve 8 is closed, and the container is placed preferably on a flat substructure, with the exhaust valve 10 upwards.
  • the small quantity of air which there was in the container 7 when filling was started, or which may possibly have got into it during the filling process itself will have now collected under the wall 6, preferably in the area of the exhaust valve 10, when this valve is then opened the air will depart so that satisfactory surface contact is formed between the entire inside of the solar heat-absorbing wall and the water in the container.
  • filling may also take place without using water under pressure. This is simply • achieved by a hose being placed on the valve 8 and the small pressure formed by the head of water in the hose (in the order of magnitude 1 - 1,5 meter) is utilized for filling the container. After the container is filled with water in the manner described above, and any air is evacuated, it is placed on a suitable substructure, e.g. a car roof, a boat deck, the roof of a cottage, caravan or the like, its location being selected such that the
  • OMPI solar heat absorbing surface 6 is oriented at right angles to the incident sun rays as far as possible.
  • the container may be given practically any configuration further to the rectangular one illustrated on the drawings.
  • circular, elliptic, quadratic or irregular configurations may be utilized.
  • the solar heat-absorbing surface should of course be made as large as possible in relation to the enclosed volume of water, as well as this surface being kept as flat as possible.
  • the side walls 4 and 5 do not need to be folded or flexible in the manner illustrated on the drawings, but may be folded in several folds and also be implemented in the same way along all sides of the container.
  • the air exhaust valve may optionally be placed somewhere else, suitably at a corner of the container, or it may be possibly excluded altogether, providing that the emptying and filling valve 8 is placed so that for a suitable orientation of the container, it can function as an air exhaust valve.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Building Environments (AREA)
  • Thermal Insulation (AREA)
  • Cookers (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
  • Packages (AREA)

Abstract

Conteneur (7) pour le chauffage à l'énergie solaire et le stockage d'un liquide, de préférence de l'eau, destiné à être utilisé principalement pour des activités en plein air. Le conteneur (7) comprend une paroi (6) comparativement rigide absorbant la chaleur solaire, composée d'un matériau thermo-conducteur, par exemple du caoutchouc, et une paroi de fond (1) comparativement rigide en un matériau thermo-isolant. Ces parois sont reliées par des parois latérales (4, 5) faisant office de soufflets, de manière à former un conteneur (7), qui possède une soupape (10) libérant de l'air. La paroi absorbant la chaleur (6) est maintenue en contact avec le liquide grâce à la déformabilité des parois latérales (4, 5), indépendamment du degré de remplissage du conteneur (7). Ce dernier peut être composé uniquement de caoutchouc.
EP84904227A 1983-11-24 1984-11-23 Conteneur pour le chauffage a l'energie solaire et le stockage d'un liquide Withdrawn EP0187754A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8306492A SE439830B (sv) 1983-11-24 1983-11-24 Behallare for soluppvermning och lagring av vetska
SE8306492 1983-11-24

Publications (1)

Publication Number Publication Date
EP0187754A1 true EP0187754A1 (fr) 1986-07-23

Family

ID=20353451

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84904227A Withdrawn EP0187754A1 (fr) 1983-11-24 1984-11-23 Conteneur pour le chauffage a l'energie solaire et le stockage d'un liquide

Country Status (5)

Country Link
EP (1) EP0187754A1 (fr)
AU (1) AU3677184A (fr)
FI (1) FI862217A (fr)
SE (1) SE439830B (fr)
WO (1) WO1985002457A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8960183B2 (en) 2001-02-16 2015-02-24 Solar Solutions Llc Solar water pasteurizer
MD70Z (ro) * 2009-02-17 2010-03-31 Институт Энергетики Академии Наук Молдовы Încălzitor de lichide solar
MD88Z (ro) * 2009-03-24 2010-04-30 Анатолий КАПРАЛОВ Încălzitor de lichide solar
MD148Z (ro) * 2009-03-27 2010-10-31 Борис ЛАЗАРЕНКУ Panou solar
CN104266161A (zh) * 2014-05-23 2015-01-07 深圳市爱能森设备技术有限公司 一种导热油传热的谷电过热蒸汽锅炉及其制备过热蒸汽的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029806A (en) * 1959-12-30 1962-04-17 Okuda Yoshimatsu Solar hot water heater
DE2436986A1 (de) * 1974-08-01 1976-02-19 Kleinwaechter Hans Zusammenfaltbare vorrichtung zum erhitzen von wasser durch sonneneinstrahlung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8502457A1 *

Also Published As

Publication number Publication date
FI862217A0 (fi) 1986-05-26
AU3677184A (en) 1985-06-13
SE8306492D0 (sv) 1983-11-24
FI862217A (fi) 1986-05-26
SE439830B (sv) 1985-07-01
SE8306492L (sv) 1985-05-25
WO1985002457A1 (fr) 1985-06-06

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