WO1999020955A1 - Ensemble capteur solaire - Google Patents

Ensemble capteur solaire Download PDF

Info

Publication number
WO1999020955A1
WO1999020955A1 PCT/SE1998/001798 SE9801798W WO9920955A1 WO 1999020955 A1 WO1999020955 A1 WO 1999020955A1 SE 9801798 W SE9801798 W SE 9801798W WO 9920955 A1 WO9920955 A1 WO 9920955A1
Authority
WO
WIPO (PCT)
Prior art keywords
solar
liquid
collectors
outside wall
collecting assembly
Prior art date
Application number
PCT/SE1998/001798
Other languages
English (en)
Swedish (sv)
Inventor
Gunnar BRÖMS
Original Assignee
Vattenfall Ab (Publ)
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 Vattenfall Ab (Publ) filed Critical Vattenfall Ab (Publ)
Priority to AU94697/98A priority Critical patent/AU9469798A/en
Publication of WO1999020955A1 publication Critical patent/WO1999020955A1/fr

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
    • 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
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • 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

Definitions

  • This invention relates to a solar-collecting assembly for the transformation of solar energy to heat in a liquid, including a liquid tank built-in in a detached house with inlet and outlet pipes for cold and heated liquid, respectively, a heat insulation arranged on the outside of the tank, an outside wall shell which at least to the major part is made of a material transmitting the electromagnetic radiation of the sun, and which extends between a plane bottom part and a top part, collectors being mounted on the inside of the shell through which collectors a second liquid may pass during heating before the same is brought into the tank, and at least parts of the outside wall shell together with the collectors positioned there- inside extending at an acute angle to the bottom part .
  • the wall shell of the assemblies together with the collector means are arranged in rather limited or flat angles to the appurtenant horizontal bottom parts.
  • the inclination angle of the wall shells varies in rela- tion to the horizontal plane in the main within the range of 30-60°, while the semi -spherical wall shells according to the two last-mentioned publications have the major part of the surface thereof turned vertically upwards.
  • a primary object of the invention is to provide a solar- collecting assembly which waives the absorption of heat during the warmest period of the year per se , but which, in return, guarantees an optimum absorption of heat during the colder periods of the year. It is also an object to provide a solar- collecting assembly of a static or passive type, which is structurally simple and thereby cheap to manufacture.
  • the as- sembly should also have an aesthetically attractive shape with a minimal base surface for a given heat-absorptivity what makes it possible to erect the assembly in a separate state in which the same neither disturbs the environment nor requires a large ground surface .
  • US 4 458 671 describes a solar-collecting assembly the walls of which are located at approximatively 45° to the bottom part, i.e. an angle which is very far below the angle range which the present invention stipulates.
  • a solar-collecting assembly is described the substantially pyramid-shaped walls of which in the embodiment example according to the drawings are inclined at an angle of approximatively 60° in relation to the bottom.
  • this angle may be varied with 20° in either direction, whereby the angle range has come to be settled to 40-80°.
  • Fig 1 is a perspective view of a first embodiment of the solar-collecting assembly according to the invention
  • F Fiigg 2 2 is a partly cut side view of the same assembly
  • Fig 3 is a planar view from above of the assembly according to fig 1 and 2,
  • Fig 4 is a planar view from above of an alternative embodiment of the assembly according to the invention
  • F Fiigg 5 5 is a vertical, partial section through the assembly according to fig 4
  • Fig 6 is a horizontal, partial section through the same assembly
  • Fig 7 is a schematic perspective view illustrating how the assembly may be erected in connection with a small house
  • Fig 8 is a schematic illustration of the interior components included in the assembly.
  • two different main embodiments of the invention are visualised, viz . one embodiment having a generally polygonal, particularly quadrangular cross- section shape according to figures 1 to 3 , and one embodiment having a circular cross-section shape according to figures 4 to 6.
  • the assemblies include, however, essentially the same type of interior.
  • a central liquid tank 1 is included having inlet and outlet pipes 2, 3 for supply of comparatively cold liquid from a consumption unit to the tank and output of heated liquid from the tank to the consumption unit, respectively.
  • a heat insulation 4 is arranged on the outside of the tank, outside which, in turn, there are a number of collectors 5.
  • collectors 5 are illustrated schematically in fig 8 in the shape of three lattice-like tube constructions, which separately includes upper and lower manifolds 6, 7 between which a number of upright part tubes 8 extend.
  • the upper manifolds 6 are connected to a common first feeding conduit 9 via branch conduits.
  • the lower manifolds 7 are, in an analogous way, connected to a second feeding conduit 10.
  • the two feeding conduits are in turn coupled to a heat exchanger 11 arranged inside the tank 1.
  • a pump 12, an expansion vessel 13, a charging valve 14 as well as a safety valve 15 are also included in the shown liquid conduit system.
  • the electromagnetic radiation from the sun hitting the part tubes 8 heats, in a conventional way, the liquid therein, and then the heated liquid is led to the heat exchanger 11 and therefrom back to the part tubes of the collectors via the conduit 10, the heat exchanger 11 in turn heating the liquid, usually water, in the tank 1 so as to transmit it to the consumption unit in question.
  • the liquid tank 1 is included in a detached house having an outside wall shell generally designated 16 which, in the embodiment according to figures 1 to 3 , includes four upright walls 16', 16", 16"' , 16 "",which extend between a top part 17 and a substantially plane bottom part 18.
  • four corner elements 19 are included in the outer wall shell which elements are of a stiff nature and may form structural elements in the construction. In practice, the elements may advantageously consist of cross-section-wise angular profiles, e.g. of aluminium.
  • the shell includes a relatively thin wall-forming board situated at a certain distance from the heat insulation 4 and from the collectors 5 positioned outside the insulation. In other words, a gap 20 is provided between each wall board and the appurtenant collector.
  • the boards 16', 16" and 16'" are made of a material which permits an optimum transmission of the electromagnetic radiation of the sun.
  • transparent materials are preferred, in particular of the type acrylic plastic.
  • the fourth wall board 16"" may be opaque, no collector being behind this board. In practice, this wall is turned to the north at the same time as the other walls are oriented in the three other cardinal points.
  • Characteristic of the shown house is that the walls are inclined at a steep angle to the horizontal bottom part 18.
  • fig 2 illustrates the complementary angle ⁇ to the angle with which the individual wall board is inclined to the bottom part . According to the present invention, this angle is within 5-9°.
  • the inclination angle of the wall board in relation to the bottom part is within the range of 81-85°.
  • the collectors 5 are in the shape of a plane lattice made of tubes, which are situated mainly parallel to each wall board being outside. It should also be pointed out, that the tubes of the collectors are advantageously black and that the outside of the heat insulation may be light reflecting.
  • the insolation at low altitudes of the sun will be maxi- mized; something that guarantees an optimum absorption of heat in the collectors during the colder periods of the year.
  • the house of the assembly may be of a height within the range of 1-1,5 metres and a base width along the bottom part within the range of 0,9-1,3 metres, the liquid tank within the same may be given a volume within the range of 0,5-1,0 m 3 .
  • the top part 17 may in practice advantageously be in the shape of a movable, e.g. pivotable lid having a certain depth. This makes it possible to house occurring secondary components, such as pump, expansion vessel and valves in the space confined by the lid, these components being easy to access.
  • the embodiment constructed with a curtailed conic basic shape according to figures 4 to 6 differs from the embodiment shown in figures 1 to 3 essentially only by the fact that the external wall shell 21 consists of a continuous, ro- tary symmetric board, which to the major part consists of a transparent or solar-transmitting material.
  • fig 4 is exemplified how the board along approximatively 270° arc length consists of such a material, while the remaining board (90°) may consist of an opaque material.
  • the collector (s) is/are curved instead of plane.
  • fig 7 is outlined how the assembly according to the invention may be erected on, for instance, a lawn outside a small house, e.g. a cottage, in which a consumption unit is included, e.g. a tap water system which may be supplied with heated water from the assembly.
  • a consumption unit e.g. a tap water system which may be supplied with heated water from the assembly.
  • a tap water system which may be supplied with heated water from the assembly.

Abstract

L'invention concerne un ensemble capteur solaire comprenant un réservoir de liquide intégré dans une maison isolée et une enveloppe paroi extérieure au moins partiellement transparente aux rayons solaires. Cette enveloppe s'étend entre une partie inférieure (18) plate et une partie supérieure (17). En outre, les capteurs (5) placés à l'intérieur de l'enveloppe paroi extérieure, s'étendent tout comme l'enveloppe en formant un angle avec la partie inférieure (18), notamment un angle d'inclinaison compris entre 81° et 85 ° afin d'obtenir une insolation maximale et donc une absorption de chaleur optimale pendant les saisons où le soleil est bas.
PCT/SE1998/001798 1997-10-17 1998-10-06 Ensemble capteur solaire WO1999020955A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU94697/98A AU9469798A (en) 1997-10-17 1998-10-06 Solar-collecting assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9703787-3 1997-10-17
SE9703787A SE510601C2 (sv) 1997-10-17 1997-10-17 Solfångaraggregat

Publications (1)

Publication Number Publication Date
WO1999020955A1 true WO1999020955A1 (fr) 1999-04-29

Family

ID=20408647

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1998/001798 WO1999020955A1 (fr) 1997-10-17 1998-10-06 Ensemble capteur solaire

Country Status (3)

Country Link
AU (1) AU9469798A (fr)
SE (1) SE510601C2 (fr)
WO (1) WO1999020955A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007112231A2 (fr) * 2006-03-28 2007-10-04 Mehler Vern A Chauffage solaire autonome et système de stockage avec clapet anti-retour
WO2008104619A1 (fr) * 2007-03-01 2008-09-04 Wattpic Energia Intell Ligent, S.L. Machine à source solaire thermique
CN111854191A (zh) * 2020-07-24 2020-10-30 江苏桑乐数字化太阳能有限公司 一种管道排空防冻式太阳能热水器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4132221A (en) * 1977-05-26 1979-01-02 Orillion Alfred G Pyramidal solar heating system
US4458671A (en) * 1982-08-09 1984-07-10 Everett Paul T Solar heating device
WO1990004746A1 (fr) * 1988-10-18 1990-05-03 Robert James Colleran Dispositif de chauffage hydro-solaire

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4132221A (en) * 1977-05-26 1979-01-02 Orillion Alfred G Pyramidal solar heating system
US4458671A (en) * 1982-08-09 1984-07-10 Everett Paul T Solar heating device
WO1990004746A1 (fr) * 1988-10-18 1990-05-03 Robert James Colleran Dispositif de chauffage hydro-solaire

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007112231A2 (fr) * 2006-03-28 2007-10-04 Mehler Vern A Chauffage solaire autonome et système de stockage avec clapet anti-retour
WO2007112231A3 (fr) * 2006-03-28 2008-03-20 Vern A Mehler Chauffage solaire autonome et système de stockage avec clapet anti-retour
WO2008104619A1 (fr) * 2007-03-01 2008-09-04 Wattpic Energia Intell Ligent, S.L. Machine à source solaire thermique
ES2304212A1 (es) * 2007-03-01 2008-09-16 Wattpic Energia Intelligent, S.L. Maquina de fuente solar termica.
CN111854191A (zh) * 2020-07-24 2020-10-30 江苏桑乐数字化太阳能有限公司 一种管道排空防冻式太阳能热水器
CN111854191B (zh) * 2020-07-24 2021-11-09 江苏桑乐数字化太阳能有限公司 一种管道排空防冻式太阳能热水器

Also Published As

Publication number Publication date
SE9703787D0 (sv) 1997-10-17
AU9469798A (en) 1999-05-10
SE510601C2 (sv) 1999-06-07
SE9703787L (sv) 1999-04-18

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