EP0000236A1 - Kontrollmethode und-system für die Energiebilanz eines Systems zum Auffangen, Speichern und Übertragen von Sonnenenergie - Google Patents

Kontrollmethode und-system für die Energiebilanz eines Systems zum Auffangen, Speichern und Übertragen von Sonnenenergie Download PDF

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Publication number
EP0000236A1
EP0000236A1 EP78200073A EP78200073A EP0000236A1 EP 0000236 A1 EP0000236 A1 EP 0000236A1 EP 78200073 A EP78200073 A EP 78200073A EP 78200073 A EP78200073 A EP 78200073A EP 0000236 A1 EP0000236 A1 EP 0000236A1
Authority
EP
European Patent Office
Prior art keywords
heat
solar energy
fluid
accumulator
collector
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Withdrawn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
EP78200073A
Other languages
English (en)
French (fr)
Inventor
Maarten Baardman
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.)
ECONOMIC ENERGY SYST NV
Economic Energy Systems Investment NV
Original Assignee
ECONOMIC ENERGY SYST NV
Economic Energy Systems Investment NV
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 ECONOMIC ENERGY SYST NV, Economic Energy Systems Investment NV filed Critical ECONOMIC ENERGY SYST NV
Publication of EP0000236A1 publication Critical patent/EP0000236A1/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00—Arrangements for controlling solar heat collectors
    • F24S50/40—Arrangements for controlling solar heat collectors responsive to temperature
    • 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

  • the invention relates to a method for controlling the energy balance of a system for catching, accumulating and transferring solar energy and to a system therefor, said system including a solar energy collector and a heat accumulator connected therewith, said method comprising the step of maintaining, in a closed circuit, a fluid flow for heat transport between the collector and the accumulator which transfers its heat to an energy consuming apparatus.
  • solar energy in the form of radiation as well as convection heat, can be caught and transformed into usable energy, e.g. for heating water for heating purposes and/or the supply of hot water and for cooling systems.
  • the invention avoids this unwanted phenomenon and it achieves this in that the difference between the heat input and the heat output from the solar energy collector is measured and the fluid flow is interrupted when the heat output exceeds the heat input.
  • the invention provides a system for catching, accumulating and transferring solar energy, said system comprising a closed circuit, of which a solar energy collector and a heat accumulator form parts and said accumulator is provided with means for transferring heat to an energy consuming apparatus.
  • This system comprises also means for measuring the difference between the heat input to and the heat output from the solar energy collector and a control unit connected with the measuring means for controlling an element adapted to interrupt the closed circuit.
  • the measuring means may include two temperature sensors, of which one is located at the fluid intake and the other one at the fluid outlet of the solar energy collector.
  • the fluid current flow could be interrupted when the temperature of the fluid in the heat accumulator exceeds a predetermined value.
  • the means to interrupt the closed circuit may be formed by a pump.
  • the pump may b replaced by a valve controller by the control unit.
  • the drawing shows a system for catching, accumulating and transferring solar energy.
  • the solar energy in the form of direct radiation as well as heat from the ambient air, is caught by the solar energy collector 1, which forms part of a closed circuit 2 through which a fluid 3, e.g. water, thermic oil or air, flows.
  • the closed circuit further includes a heat accumulator 4, which is known per se and is adapted tc transfer its heat to an energy consuming apparatus.
  • Two temperature sensors 5, 5' of which one is located at the solar energy collector fluid intake and the other one is located at the outlet thereof, measure the temperature at said intake and said outlet, respectively.
  • the electrical signals produced by said temperature sensors are fed into a control unit 6, which so controls a pump 7 as to ensure that the fluid flow is interrupted when the temperature at the fluid outlet is lower than the.temperature at the fluid intake, i.e. when the sola. energy collector is delivering heat instead of absorbinc heat.
  • control unit 6 In order to prevent the heat accumulator from overheating the control unit 6 is able to interrupt the fluid flow 3, when the temperature of the fluid at the intake exceeds a predetermined value, i.e. when the fluid temperature in the heat accumulator becomes unwantedly high.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Electrical Variables (AREA)
  • Golf Clubs (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Control Of Temperature (AREA)
EP78200073A 1977-07-01 1978-07-03 Kontrollmethode und-system für die Energiebilanz eines Systems zum Auffangen, Speichern und Übertragen von Sonnenenergie Withdrawn EP0000236A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7707337 1977-07-01
NL7707337A NL7707337A (nl) 1977-07-01 1977-07-01 Werkwijze en inrichting voor het regelen van de energiehuishouding van een systeem voor het opvangen, accumuleren en overdragen van zonne-energie.

Publications (1)

Publication Number Publication Date
EP0000236A1 true EP0000236A1 (de) 1979-01-10

Family

ID=19828819

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78200073A Withdrawn EP0000236A1 (de) 1977-07-01 1978-07-03 Kontrollmethode und-system für die Energiebilanz eines Systems zum Auffangen, Speichern und Übertragen von Sonnenenergie

Country Status (5)

Country Link
EP (1) EP0000236A1 (de)
AU (1) AU3740178A (de)
DK (1) DK281778A (de)
NL (1) NL7707337A (de)
NO (1) NO782289L (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2144210A (en) * 1983-07-29 1985-02-27 Kyriacos Michael Economou Sun heater apparatus
ES2112179A1 (es) * 1995-10-11 1998-03-16 Perales Corrales Jesus Equipo solar de calentamiento de agua sanitaria.

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575478A (en) * 1948-06-26 1951-11-20 Leon T Wilson Method and system for utilizing solar energy
FR1138587A (fr) * 1955-12-15 1957-06-17 Radiasol Dispositif sensible à une différence de température et installation de chauffage solaire munie d'un tel dispositif
FR2270535A1 (en) * 1974-02-13 1975-12-05 Madern Marguerite Solar heating system for building - mixes stored and return water to keep emission temp. low for max. comfort
US3986489A (en) * 1975-04-10 1976-10-19 Schlesinger Robert J Solar energy transfer system with protection against freezing
US4017028A (en) * 1975-02-28 1977-04-12 Giora Manor Temperature differential sensing and control device
US4019495A (en) * 1975-12-29 1977-04-26 Frazier Clive A Control system for solar heater

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575478A (en) * 1948-06-26 1951-11-20 Leon T Wilson Method and system for utilizing solar energy
FR1138587A (fr) * 1955-12-15 1957-06-17 Radiasol Dispositif sensible à une différence de température et installation de chauffage solaire munie d'un tel dispositif
FR2270535A1 (en) * 1974-02-13 1975-12-05 Madern Marguerite Solar heating system for building - mixes stored and return water to keep emission temp. low for max. comfort
US4017028A (en) * 1975-02-28 1977-04-12 Giora Manor Temperature differential sensing and control device
US3986489A (en) * 1975-04-10 1976-10-19 Schlesinger Robert J Solar energy transfer system with protection against freezing
US4019495A (en) * 1975-12-29 1977-04-26 Frazier Clive A Control system for solar heater

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2144210A (en) * 1983-07-29 1985-02-27 Kyriacos Michael Economou Sun heater apparatus
ES2112179A1 (es) * 1995-10-11 1998-03-16 Perales Corrales Jesus Equipo solar de calentamiento de agua sanitaria.

Also Published As

Publication number Publication date
AU3740178A (en) 1980-01-03
NO782289L (no) 1979-01-03
NL7707337A (nl) 1979-01-03
DK281778A (da) 1979-01-02

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): BE CH DE FR GB LU NL SE

17P Request for examination filed
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn
RIN1 Information on inventor provided before grant (corrected)

Inventor name: BAARDMAN, MAARTEN