DE102011108090A1 - Cooling system for cooling ceiling in e.g. group office, has thermostat-controlled fan for guiding hot air of room to be cooled over surface of cooling mass storage, and insulator and/or partial insulator arranged opposite to mass storage - Google Patents
Cooling system for cooling ceiling in e.g. group office, has thermostat-controlled fan for guiding hot air of room to be cooled over surface of cooling mass storage, and insulator and/or partial insulator arranged opposite to mass storage Download PDFInfo
- Publication number
- DE102011108090A1 DE102011108090A1 DE102011108090A DE102011108090A DE102011108090A1 DE 102011108090 A1 DE102011108090 A1 DE 102011108090A1 DE 102011108090 A DE102011108090 A DE 102011108090A DE 102011108090 A DE102011108090 A DE 102011108090A DE 102011108090 A1 DE102011108090 A1 DE 102011108090A1
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- Germany
- Prior art keywords
- cooling
- mass storage
- insulator
- cooling system
- ceiling
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/10—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with air supply, or exhaust, through perforated wall, floor or ceiling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0263—Insulation for air ducts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
- F24F13/068—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as perforated walls, ceilings or floors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0089—Systems using radiation from walls or panels
- F24F5/0092—Systems using radiation from walls or panels ceilings, e.g. cool ceilings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/242—Sound-absorbing material
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
Description
Die Erfindung betrifft ein neuartiges Kühlsystem für Verwaltung und Industrie welches die Effizienz und Wirtschaftlichkeit von Kühldecken (z. B. aus Beton, Metall, Gipskarton etc.) erheblich steigert.The invention relates to a novel cooling system for administration and industry which significantly increases the efficiency and economy of cooling ceilings (eg concrete, metal, plasterboard, etc.).
Stand der TechnikState of the art
Die fortschreitende Verdichtung von Arbeitsplätzen in Team- und Gruppenbüros, auch Open-Space-Landschaften genannt, mit immer mehr Arbeitsplätzen auf immer geringeren Grundflächen, ermöglicht für den Betreiber eine attraktive Senkung der Investitions- und Betriebskosten. Kennzahlen von 15–30 m2 Grundfläche pro Arbeitsplatz weichen den Trends mit 5–10 m2 je Arbeitsplatz. Jeder zusätzliche Arbeitsplatz erhöht durch den Faktor Mensch und Gerät, wie Bildschirm, Beleuchtung, Drucker etc., die innere Kühllast um den Faktor n:
- WM
- = Wärmekermzahl Mensch
- WG
- = Wärmekennzahl Gerät
- WL
- = Wärmekennzahl Licht
- W M
- = Heat emmission number human
- W G
- = Heat code device
- W L
- = Heat index light
Die thermische Aktivierung der Gebäudemasse hat sich in den letzten Jahren zu einem Bautrend entwickelt. Das Einbringen von Kühlschlangen in die Betonmasse ist sowohl in der Erstellung, als auch im Unterhalt günstig. der Energieverbrauch im Verhältnis aufgewendete Energie zu tatsächlich im Raum realisierte Kälte ist sehr ökonomisch. Bei all diesen Vorteilen geraten diese Systeme jedoch schnell an ihre Grenzen. Sie sind sehr träge und somit sehr schlecht an individuelle Anforderungen anpassbar. Die mit diesem System mögliche Kühlleistung ist sehr gering (20–40 Watt/m2) und reicht in der Regel bei modernen, raumhohen Glasfassaden und hoher Flächenbelegung, z. B. 7 m2 pro Mensch, nicht aus, um bei warmen Tagen 6°C Temperaturdifferenz zwischen innen und außen, wie nach Arbeitsstättenverordnung gefordert, zu garantieren.The thermal activation of the building mass has developed into a building trend in recent years. The introduction of cooling coils in the concrete mass is favorable both in the creation, as well as in the maintenance. the energy consumption in the ratio of energy used to cold actually realized in space is very economical. With all these advantages, however, these systems quickly reach their limits. They are very sluggish and therefore very poorly adaptable to individual requirements. The possible cooling capacity with this system is very low (20-40 watts / m 2 ) and is usually enough for modern, floor to ceiling glass facades and high surface occupancy, eg. B. 7 m 2 per person, not enough to guarantee
Das zentrale Problem von bauteilaktivierten Betonkühldecken besteht darin, dass die mit Kälte aufgeladene Masse ihre Energie konstant und proportional zur Temperaturdifferenz des Raumes und den entsprechenden Wärmequellen abgibt. Daraus resultiert, dass Büroräume am Morgen über ihre gesamte Fläche gekühlt sind. Zu dieser Zeit benötigt der Mensch in der Regel jedoch keine zusätzliche Kühlung. Kälteempfinden ist zudem ein sehr individueller Aspekt. Erhöhen sich die Kühllasten mit zunehmender Erwärmung über den Tag, so hat die Kühldecke bereits einen Großteil ihrer Energie abgegeben und kann den Anforderungen an den gestellten klimatischen und individuellen Raumkomfort oft nicht mehr gerecht werden.The central problem of component-activated concrete cooling ceilings is that the mass charged with cold gives off its energy constant and proportional to the temperature difference of the room and the corresponding heat sources. As a result, offices are cooled in the morning over their entire area. At this time, however, humans usually do not need additional cooling. Cooling sensation is also a very individual aspect. If the cooling loads increase with increasing warmth during the day, the cooling ceiling has already given off a large part of its energy and can often no longer meet the requirements for the given climatic and individual room comfort.
Die Problemstellungen einer bauteilaktivierten Betonkühldecke werden nachfolgend stichpunktartig aufgelistet.
- – Kälteenergie wird großflächig in allen Bereichen der aktivierten Decke abgegeben, auch dort, wo keine Kühlung benötigt wird, z. B. in Fluren, in unbesetzten Büros oder Besprechungsräumen.
- – Die Energieabgabe erfolgt zu Zeiten, zu denen keine Kühlung notwendig ist, z. B. morgens.
- – In der Regel wird am Nachmittag die meiste Kälteenergie benötigt, da die höchste Außentemperatur herrscht, die Kühldecke hat zu diesem Zeitpunkt jedoch bereits den Großteil ihrer Energie abgegeben.
- – Spontanität bezüglich der Raumkühlung kann mit einer Betonkühldecke in der Regel nicht gewährleistet werden, z. B. kurzfristige Kühlung eines Besprechungsraumes, auf Unterbelegung der Büros durch Krankheit oder Auswärtstermine der Mitarbeiter kann nicht kurzfristig mit entsprechend niedrigerer Kühlung reagiert werden. Ebenso verhält es sich bei hoher Belegung und entsprechend hohem Anspruch an wärmeerzeugende Geräte (z. B. Drucker, PC, Kopierer etc.), wenn mit entsprechend höherer Kühlung reagiert werden muss.
- – Räume mit Südwest-/Südostausrichtung sind ganztägiger Sonneneinstrahlung ausgesetzt. Kühllasten dort sind oft drei- bis viermal so hoch als in den übrigen Büros. Diese erhöhte Kühlleistung kann eine Betonkühldecke in der Regel nicht erbringen.
- – Ist eine Betonkühldecke am Vortag aufgeladen worden und wird am Folgetag keine Kühlung benötigt, kommt dies einer 100%igen Energieverschwendung gleich, da die aktivierte Decke trotzdem kühlt, obwohl dies nicht nötig ist.
- - Cooling energy is released over a large area in all areas of the activated ceiling, even where no cooling is needed, eg. In hallways, in unoccupied offices or meeting rooms.
- - The energy is released at times when no cooling is necessary, eg. B. in the morning.
- - Most of the cold energy is usually needed in the afternoon, since the highest outside temperature prevails, but the cooling ceiling has already released most of its energy at this time.
- - Spontaneity in terms of room cooling can not be guaranteed with a concrete cooling ceiling in the rule, z. For example, short-term cooling of a meeting room, on under occupancy of the offices due to illness or Auswärtstermine the employee can not be reacted in the short term with correspondingly lower cooling. The same applies to high occupancy and correspondingly high demands on heat-generating devices (eg printer, PC, copier, etc.), if it is necessary to react with correspondingly higher cooling.
- - Rooms with southwest / southeast exposure are exposed to full sunshine. Cooling loads there are often three to four times higher than in the other offices. This increased cooling capacity can not provide a concrete cooling ceiling in the rule.
- - If a concrete cooling ceiling has been charged the previous day and cooling is not required the next day, this equates to a 100% energy waste, since the activated ceiling still cools, although this is not necessary.
Erfindungsgemäß werden diese Probleme einer bauteilaktivierten Kühldecke nach Anspruch 1 beseitigt und das System durch die Erfindung in seiner Wirtschaftlichkeit und Effizienz, sowie in seinem individuellem Komfort um ein vielfaches gesteigert. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.According to the invention, these problems of a component-activated cooling ceiling according to
Das betreffende Kühlsystem gemäß Anspruch 1 ist eine Kombination aus Strahlungskühlsystem, Massenspeicher und Isolator bzw. Teilisolator. Das System kann zeitlich und temperaturabhängig geregelt werden.The relevant cooling system according to
Eine Isolationsschicht, welche auch akustisch wirksam sein kann, wird in einem Abstand unter einer bauteilaktivierten Kühldecke angebracht. Im Hohlraum von Kühldecke und Isolationsschicht werden Aktivkomponenten installiert. Ist der Abstand zwischen Kühldecke und Isolationsschicht groß genug, können diese Komponenten überall im Zwischenraum von Kühldecke und Isolationsschicht angebracht werden, ansonsten in einem tiefer gelegten Bereich.An insulating layer, which may also be acoustically effective, is mounted at a distance below a component-activated cooling ceiling. In the cavity of cooling ceiling and insulation layer Active components are installed. If the distance between the cooling ceiling and the insulation layer is large enough, these components can be installed anywhere in the gap between the cooling ceiling and the insulation layer, otherwise in a lower area.
Die Aktivkomponente ermöglicht eine gesteuerte Luftumwälzung. Dies kann mit thermostatischer Regelung erfolgen. Die Raumluft wird gezielt zwischen Kühldecke und Isolationsschicht geführt und über Kanäle und daran angeschlossene Auslässe individuell und nach Bedarf im Raum verteilt. Dabei kann die Umluftkomponente entweder nur Umwälzen oder Umwälzen und mittels Wärmetauscher nachkühlen, sofern die Kühldecke zu wenig Kälte liefert.The active component allows a controlled air circulation. This can be done with thermostatic control. The air in the room is directed between the cooling ceiling and the insulation layer and distributed through channels and outlets connected to it individually and as required in the room. In this case, the recirculation component either only circulating or circulating and cool by means of a heat exchanger, if the cooling ceiling provides too little cold.
Die aufgelisteten Probleme einer bauteilaktivierten Kühldecke werden durch die Erfindung gelöst:
- – Kälteenergie kann entsprechend der individuellen Anforderung aus dem Massenspeicher entzogen und über Luftauslässe dem zu kühlenden Raum zugeführt werden.
- – Die Energieabgabe kann zeitgenau gesteuert werden, da der Massenspeicher durch die Isolationsschicht nicht mehr unkontrolliert Energie abgibt.
- – Die zur Verfügung-Stellung der notwendigen Kälteenergie ist zu jedem Zeitpunkt gewährleistet, da zum Einen die Kälteenergie durch die Isolationsschicht im Massenspeicher bis zur Anforderung verbleibt und zum Anderen ein zusätzlicher Wärmetauscher im System ergänzende Kühlleistung ermöglicht.
- – Die Isolationsschicht erhält über einen langen Zeitraum hinweg die Kälteenergie des Massenspeichers. Somit wird keine Energie verschwendet, auch wenn bei einer aufgeladenen Decke über einen Zeitraum keine Kühlung benötigt wird.
- - Cooling energy can be withdrawn from the mass storage according to the individual requirement and fed via air outlets to the room to be cooled.
- - The energy output can be controlled in a timely manner, since the mass storage no longer gives off uncontrolled energy through the insulation layer.
- - The provision of the necessary cooling energy is guaranteed at any time, since on the one hand the cold energy remains through the insulation layer in the mass storage to the requirement and on the other hand, an additional heat exchanger in the system allows additional cooling capacity.
- - The insulation layer receives over a long period of time, the cooling energy of the mass storage. Thus, no energy is wasted, even if no cooling is required for a charged ceiling over a period of time.
Ausführungsbeispiele der Erfindung werden anhand der
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Aktivierte Kühldecke (z. B. Beton, Metall, Gipskarton, etc.)Activated cooling ceiling (eg concrete, metal, plasterboard, etc.)
- 22
- Abgehängte Isolationsschicht (je nach Anforderung alle Materialien denkbar)Suspended insulation layer (all materials conceivable depending on the requirements)
- 33
- Gekühlter Hohlraum zwischen Kühldecke und IsolationsschichtChilled cavity between cooling ceiling and insulation layer
- 44
- Thermostatisch gesteuerter Umluftventilator/KonvektorThermostatically controlled circulating fan / convector
- 55
- Kaltluftführende Kanäle (zur gezielten Führung der Kaltluft von der Umluftkomponente zu den Luftauslässen)Cold air ducts (for targeted routing of cold air from the recirculation component to the air outlets)
- 66
-
Luftauslass, z. B. Schlitzauslass, Drallauslass (
11 ), manuell oder elektronisch regelbarAir outlet, z. B. slot outlet, twist outlet (11 ), manually or electronically controllable - 77
- Luftbewegung schematisch durch Pfeile dargestelltAir movement shown schematically by arrows
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 88th
- Akustikdeckeacoustic ceiling
- 99
- Strahlungskälte, schematisch durch Wellenpfeile dargestellt (lange Linien entsprechen hoher Strahlungskälte, kurze Linien entsprechen geringer Strahlungskälte)Radiant cooling, schematically represented by wave arrows (long lines correspond to high radiation coldness, short lines correspond to low radiation coldness)
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011108090A DE102011108090A1 (en) | 2011-07-19 | 2011-07-19 | Cooling system for cooling ceiling in e.g. group office, has thermostat-controlled fan for guiding hot air of room to be cooled over surface of cooling mass storage, and insulator and/or partial insulator arranged opposite to mass storage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011108090A DE102011108090A1 (en) | 2011-07-19 | 2011-07-19 | Cooling system for cooling ceiling in e.g. group office, has thermostat-controlled fan for guiding hot air of room to be cooled over surface of cooling mass storage, and insulator and/or partial insulator arranged opposite to mass storage |
Publications (1)
Publication Number | Publication Date |
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DE102011108090A1 true DE102011108090A1 (en) | 2013-01-24 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE102011108090A Withdrawn DE102011108090A1 (en) | 2011-07-19 | 2011-07-19 | Cooling system for cooling ceiling in e.g. group office, has thermostat-controlled fan for guiding hot air of room to be cooled over surface of cooling mass storage, and insulator and/or partial insulator arranged opposite to mass storage |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3124883A1 (en) | 2015-07-29 | 2017-02-01 | Erwin Müller GmbH | Air conditioning for a building floor |
CN111219790A (en) * | 2018-11-27 | 2020-06-02 | 宁波奥克斯电气股份有限公司 | Ceiling machine air exhaust control method and ceiling machine |
WO2023281390A1 (en) * | 2021-07-09 | 2023-01-12 | Giacomini S.P.A. | Aeraulic device and radiant ceiling thermal system with internal air mixing |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2909864A1 (en) * | 1979-03-13 | 1980-09-25 | Walter E Dipl Ing Fuchs | Heat energy storage process - passes air from room over storage surface |
AT407084B (en) * | 1998-10-05 | 2000-12-27 | Wilhelm Watzek | Apparatus for the air-conditioning of rooms |
-
2011
- 2011-07-19 DE DE102011108090A patent/DE102011108090A1/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2909864A1 (en) * | 1979-03-13 | 1980-09-25 | Walter E Dipl Ing Fuchs | Heat energy storage process - passes air from room over storage surface |
AT407084B (en) * | 1998-10-05 | 2000-12-27 | Wilhelm Watzek | Apparatus for the air-conditioning of rooms |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3124883A1 (en) | 2015-07-29 | 2017-02-01 | Erwin Müller GmbH | Air conditioning for a building floor |
DE102015112430A1 (en) * | 2015-07-29 | 2017-02-02 | Erwin Müller GmbH | Air conditioning for a building floor |
CN111219790A (en) * | 2018-11-27 | 2020-06-02 | 宁波奥克斯电气股份有限公司 | Ceiling machine air exhaust control method and ceiling machine |
CN111219790B (en) * | 2018-11-27 | 2021-06-04 | 宁波奥克斯电气股份有限公司 | Ceiling machine air exhaust control method and ceiling machine |
WO2023281390A1 (en) * | 2021-07-09 | 2023-01-12 | Giacomini S.P.A. | Aeraulic device and radiant ceiling thermal system with internal air mixing |
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