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EP0985891B1 - Procédé et dispositif pour le chauffage et/ou le refroidissement d'un local - Google Patents

Procédé et dispositif pour le chauffage et/ou le refroidissement d'un local Download PDF

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Publication number
EP0985891B1
EP0985891B1 EP98117338A EP98117338A EP0985891B1 EP 0985891 B1 EP0985891 B1 EP 0985891B1 EP 98117338 A EP98117338 A EP 98117338A EP 98117338 A EP98117338 A EP 98117338A EP 0985891 B1 EP0985891 B1 EP 0985891B1
Authority
EP
European Patent Office
Prior art keywords
heating
cooling
room
return
temperature
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.)
Expired - Lifetime
Application number
EP98117338A
Other languages
German (de)
English (en)
Other versions
EP0985891A1 (fr
Inventor
Rolf Bredeman
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.)
Best GmbH
Original Assignee
Supellex AG
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Filing date
Publication date
Application filed by Supellex AG filed Critical Supellex AG
Priority to DK98117338T priority Critical patent/DK0985891T3/da
Priority to EP98117338A priority patent/EP0985891B1/fr
Priority to DE59806545T priority patent/DE59806545D1/de
Priority to AT98117338T priority patent/ATE229161T1/de
Publication of EP0985891A1 publication Critical patent/EP0985891A1/fr
Application granted granted Critical
Publication of EP0985891B1 publication Critical patent/EP0985891B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
    • F24F3/10—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with separate supply lines and common return line for hot and cold heat-exchange fluids i.e. so-called "3-conduit" system

Definitions

  • the invention relates to a method and a device for heating and / or Cooling of separate ones located in at least one building Rooms and / or of at least one large area with zones different heating or cooling requirements using Area beam elements.
  • Such methods and devices are available in different versions known, e.g. B. from US 3,176,759.
  • Those in the floor, on the walls and / or surface jet elements preferably arranged on the ceiling of the rooms are from a common heat transfer medium, preferably water, flows through, which is heated in a heat source and / or in a cold source is cooled and that after flowing through the surface beam elements through a common return if necessary to the heat source and / or cold source is returned.
  • a common heat transfer medium preferably water
  • the invention has for its object to provide a method and a device of the type described above, in which the excess energy present in the rooms of the building or generated by internal or external heat sources is used for heating or cooling and the destruction of energy is avoided ,
  • the solution to this problem by the method according to the invention is characterized in that the return temperature of the cooling circuit is set to a value above the return temperature with simultaneous heating and cooling, all of the surface jet elements (F) always being given the full predetermined regardless of the respective heating or cooling requirement Flows through the heat transfer medium and the respective heating or cooling requirements of the individual rooms (R1-R4) or room zones (R5a, R5b, R5c) are covered by regulating the temperature of the heat transfer medium supplied to the corresponding surface jet elements (F) by means of mixing valves.
  • This configuration of the method according to the invention results in Advantage that a temperature when mixing the heating and cooling circuit return of the heat transfer medium, which is lower for the cooling circuit and for the heating circuit is higher than without mixing the returns, so that the amount of primary energy required for reheating or cooling is reduced in both cases.
  • a temperature when mixing the heating and cooling circuit return of the heat transfer medium which is lower for the cooling circuit and for the heating circuit is higher than without mixing the returns, so that the amount of primary energy required for reheating or cooling is reduced in both cases.
  • a full utilization Excess heat due to heat transfer between the Rooms or room zones with different heating or cooling requirements. Just if the overall energy balance is not balanced, additional will Primary energy needed for heating or cooling.
  • a device for Heating and / or cooling of at least one building separate rooms and / or at least one large room with zones with different heating or cooling requirements defined in that the flow line the surface beam elements belonging to a room or a room zone via a controlled by the respective room or room zone temperature Mixing valve with both the heating flow coming from the heat source and also connected to the cooling flow coming from the cold source and the Return line of all surface jet elements via a common Hydraulic return with both the heat source and the cold source are decoupled, the common return via one Bypass line to the heat or cold source using one each Premix valve is connected to the heating flow or the cooling flow.
  • the Premix valves used according to the invention are dependent on by the temperature sensors in the individual rooms or room zones determined requirements for heating or cooling output controlled, the Regulation is designed so that a consumption of primary energy, i.e. on The premix valves for heating or cooling flow only open when if the recovered energy contained in the common return is not is sufficient to meet the needs of the warmest or coldest room cover.
  • the position of Mixing valves are monitored to determine the heating or cooling requirements of the respective room or the respective room zone for the control of the premix valves determine.
  • At least one is included constant power driven circulation pump arranged in the return.
  • From the schematic arrangement of arranged in a building 1 shows that the building has a total of five rooms R1 to R5 comprises, wherein the spaces R1 to R4 are from each other separate rooms and for room R5 around a large room with room zones R5a up to R5c deals with different heating or cooling requirements.
  • the hatched Area of the arrangement shown in the manner of a floor plan For example, an unheated and uncooled hallway to access the Clear R1 to R5.
  • a plurality of surface beam elements F are shown, each are assigned to one of the rooms R1 to R5.
  • an area beam element F1 is located in space R1 and a surface beam element F3 in room R3, whereas two in room R2 Surface beam elements F2 are arranged.
  • Also located in the greater R5 area a total of three surface beam elements F5a, F5b and F5c, one each these surface beam elements of a spatial zone R5a or R5b or R5c assigned.
  • Each area beam element F1 to F4 and F5a, F5b and F5c is over one Flow line 1 connected to the heating flow HV of a heat source W, and with the interposition of a so-called hydraulic switch HW for hydraulic decoupling of the surface beam elements F containing hydraulic circuit from the hydraulic circuit of the heat source W.
  • a motor-driven mixing valve 3 Between the heating flow HV and the flow line 1, to which each a room R1 to R4 or to a room zone R5a, R5b and R5c belonging area jet elements F are connected, is located in each case a motor-driven mixing valve 3. These mixing valves 3 are around 3-way valves to which the cooling flow KV of a cooling source K is connected, the primary circuit also by means of a hydraulic Switch HW from the circuit containing the area beam elements F. is hydraulically decoupled.
  • Each area jet element F is also connected via a return line 2 a return R common to all of the surface beam elements F.
  • This return R is both on the respective hydraulic switch HW with the heating return HR of the heat source W as well as with the cooling return KR of the cold source K in connection.
  • circulation pumps PW and PK are arranged in the primary circuits between the respective hydraulic switch HW and the heat source W or the Cooling sources K.
  • Fig. 2 shows a circulation pump P for the area jet elements F containing Circulation. This circulation pump P is arranged in the return R.
  • the associated mixing valve 3 becomes such controlled that there is only heat transfer medium from the heating flow HV feed line 1. If the area beam element F3 in space R3 at the same time has an increased cooling requirement, the mixing valve 3 connects the associated flow line 1 essentially with the cooling flow KV. Requirements lying between these two extremes are met by Appropriate mixing of the one hand from the heating flow HV and on the other hand, heat transfer medium coming from the cooling flow KV Fulfills. If a surface jet element F should neither heat nor cool, it with heat transfer medium with a temperature corresponding to the room temperature Temperature charged.
  • FIG. 3 shows three heating and cooling temperature curves, H 1 , H 2 , H 3 and K 1 , K 2 , K 3, which are shown as the temperature of the heat transfer medium over the outside temperature for surface jet elements under different operating loads.
  • Curve H 1 represents the heating temperature curve of a room for a full heating operation, that is, its heat requirement to maintain a predetermined room temperature without internal or external heat sources.
  • the required temperature of the heat transfer medium in the heating flow HV which emits its heat via at least one surface radiation element, is plotted above the outside temperature in the upper, dash-dotted part of curve H 1 .
  • the lower part of the curve H 1 marked by dashes and two points, shows the temperature of the heat transfer medium when it leaves the surface jet element in the heating return HR.
  • a heat transfer medium is therefore required to heat the room, which enters the surface radiation element at 27.5 ° C and which leaves this surface radiation element at 24.3 ° C.
  • a temperature of the heat transfer medium of 23.4 ° C is required in the heating flow HV, whereby HR 22.2 ° C is set in the heating return.
  • Curve K 1 shows the cooling temperature curve of the same room in order to maintain the same assumed room temperature using the same area jet element.
  • Curve K 1 shows the temperature of the heat transfer medium in the cooling flow KV with the lower part, symbolized by lines and a cross, above the outside temperature, whereas the upper part of curve K 1, marked by lines and two crosses, shows the temperature of the heat transfer medium in the cooling return KR reproduces.
  • a temperature of the heat transfer medium in the cooling flow KV of 19.5 ° C is required to cool the room to the specified room temperature, with a temperature of the heat transfer medium in the cooling return KR of 22.4 ° C established.
  • the heating temperature curve H 2 and the cooling temperature curve K 2 show the corresponding temperatures of the heat transfer medium for the same room and the same predetermined room temperature above the outside temperature when normal use of the room takes place, in particular by presence of the assumed number of people and installation of the devices intended for the normal case , especially lighting fixtures and office machines.
  • Curves H 2 and K 2 show, in comparison to curves H 1 and K 1 , that the heat demand for heating decreases due to these additional internal heat sources (lower temperature in the heating flow HV and heating return HR), but that the cooling demand increases, ie lower temperature especially in the cooling flow KV.
  • the curves explained above show an overlap of the heating and Cooling temperature curves in a range from approximately + 6 ° C to + 20 ° C Outside temperature. In this temperature range, there can be several Rooms simultaneous heating and cooling of some rooms or room zones occur.
  • the diagram in FIG. 3 shows that the average temperature of the cooling return according to the curve KR m is always higher than the average temperature of the heating return according to the curve HR m .
  • a temperature of the heat transfer medium is thus achieved which always leads to a reduction in the temperature in the cooling return KR and to an increase in the temperature in the heating return HR. This means that less primary energy has to be used on the one hand for heating and on the other hand for cooling the rooms, because the necessary heating or cooling requirements are made available to a large extent by energy shift between the individual rooms or room zones.
  • An embodiment ranges between + 16 ° C and + 28 ° C Temperature of the heat transfer medium, i.e. a temperature difference of 12 ° C to the rooms and room zones in the area of an outside temperature from -14 ° C to + 36 ° C at the specified room temperature. For an outside air difference of 10 ° C is sufficient for a temperature difference of Heat transfer medium of only 2.4 ° C, due to the energy shift to maintain the specified room temperatures.

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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)
  • Air Conditioning Control Device (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Central Heating Systems (AREA)

Claims (4)

  1. Procédé pour le chauffage et/ou le refroidissement de pièces (R1-R4) situées dans au moins un bâtiment, séparées les unes des autres, et/ou d'au moins une grande pièce (R5) comportant des zones (R5a, R5b, R5c) avec des besoins différents de chauffage, respectivement de refroidissement par l'emploi d'éléments à panneaux radiants (F) qui sont parcourus par un agent caloporteur commun qui est chauffé dans une source de chaleur (W) et/ou refroidi dans une source de froid (K) et qui, après avoir parcouru les éléments à panneaux radiants (F), est ramené par une conduite de retour commune (R), selon les besoins, à la source de chaleur (W) et/ou à la source de froid (K), caractérisé en ce que, en cas de chauffage et de refroidissement simultanés, la température de retour du circuit de refroidissement est réglée à une valeur supérieure à la température de retour du circuit de chauffage, tous les éléments à panneaux radiants (F) étant toujours parcourus par la quantité complète prédéfinie d'agent caloporteur, indépendamment des besoins de chauffage, respectivement de refroidissement rencontrés, et les besoins de chauffage, respectivement de refroidissement rencontrés dans les différentes pièces (R1-R4), respectivement zones de pièce (R5a, R5b, R5c) étant couverts par une régulation de la température de l'agent caloporteur amené aux éléments à panneaux radiants correspondants (F) au moyen de vannes mélangeuses.
  2. Dispositif pour le chauffage et/ou le refroidissement de pièces (R1-R4) situées dans au moins un bâtiment, séparées les unes des autres, et/ou d'au moins une grande pièce (R5) comportant des zones (R5a, R5b, R5c) avec des besoins différents de chauffage, respectivement de refroidissement, le dispositif comportant des éléments à panneaux radiants (F) qui sont chacun reliés par une conduite aller (1) et par une conduite de retour (2) à une source de chaleur (W), respectivement à une source de froid (K) et qui sont parcourus par un agent caloporteur commun qui est mis en circulation dans le circuit fermé par au moins une pompe (P), la conduite aller (1) des éléments à panneaux radiants (F) appartenant à une pièce (R1-R4), respectivement à une zone de pièce (R5a, R5b, R5c) étant reliée, par une vanne mélangeuse (3) commandée par la température respective de la pièce, respectivement de la zone de pièce, aussi bien à la conduite aller de chauffage (HV) provenant de la source de chaleur (W) qu'à la conduite aller de refroidissement (KV) provenant de la source de froid (K), et la conduite de retour (2) de tous les éléments à panneaux radiants (F) étant reliée de manière hydrauliquement découplée, par l'intermédiaire d'une conduite de retour commune (R), aussi bien à la source de chaleur (W) qu'à la source de froid (K), la conduite de retour commune (R) étant reliée par des conduites de dérivation respectives (4, 5) vers la source de chaleur (W), respectivement vers la source de froid (K), au moyen de vannes de prémélange respectives (6), à la conduite aller de chauffage (HV), respectivement à la conduite aller de refroidissement (KV).
  3. Dispositif selon la revendication 2, caractérisé en ce que, pour la commande des vannes de prémélange (6), la position des vannes mélangeuses (3) est surveillée.
  4. Dispositif selon la revendication 2 ou 3, caractérisé en ce qu'au moins une pompe de circulation (P) entraínée à une puissance constante est implantée sur la conduite de retour (R).
EP98117338A 1998-09-12 1998-09-12 Procédé et dispositif pour le chauffage et/ou le refroidissement d'un local Expired - Lifetime EP0985891B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DK98117338T DK0985891T3 (da) 1998-09-12 1998-09-12 Fremgangsmåde og indretning til opvarmning og/eller afkøling af rum
EP98117338A EP0985891B1 (fr) 1998-09-12 1998-09-12 Procédé et dispositif pour le chauffage et/ou le refroidissement d'un local
DE59806545T DE59806545D1 (de) 1998-09-12 1998-09-12 Verfahren und Einrichtung zur Beheizung und/oder Kühlung von Räumen
AT98117338T ATE229161T1 (de) 1998-09-12 1998-09-12 Verfahren und einrichtung zur beheizung und/oder kühlung von räumen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98117338A EP0985891B1 (fr) 1998-09-12 1998-09-12 Procédé et dispositif pour le chauffage et/ou le refroidissement d'un local

Publications (2)

Publication Number Publication Date
EP0985891A1 EP0985891A1 (fr) 2000-03-15
EP0985891B1 true EP0985891B1 (fr) 2002-12-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP98117338A Expired - Lifetime EP0985891B1 (fr) 1998-09-12 1998-09-12 Procédé et dispositif pour le chauffage et/ou le refroidissement d'un local

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Country Link
EP (1) EP0985891B1 (fr)
AT (1) ATE229161T1 (fr)
DE (1) DE59806545D1 (fr)
DK (1) DK0985891T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4107447A1 (fr) * 2020-02-19 2022-12-28 AERMEC S.p.A. Système de climatisation centralisé

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1397588B1 (fr) 2001-06-21 2006-01-04 ALSTOM Technology Ltd Procede pour faire fonctionner un moteur
NL1030257C2 (nl) * 2005-10-24 2007-04-25 Nathan Imp Exp B V Warmtedistributie-inrichting, alsmede systeem voorzien van ten minste één dergelijke inrichting.
AT517246B1 (de) * 2009-02-18 2024-06-15 Baunach Hans Georg Heizungs- oder kühlungsanlage und verfahren zum betrieb einer heizungs- oder kühlungsanlage
ITMI20090527A1 (it) * 2009-04-01 2010-10-02 Gruppo Imar S P A Modulo di collegamento idraulico alle utenze termiche di un impianto di climatizzazione bivalente ed impianto di climatizzazione includente tale modulo

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3176759A (en) * 1960-06-03 1965-04-06 Elwood A Windham Air conditioning systems
DE1269318B (de) * 1964-02-20 1968-05-30 Meyer Fa Rud Otto Hochdruck-Klima- oder Lueftungsanlage mit einem in mehrere Zonen unterteilten Dreileiter-Wassernetz und gemeinsamen Waerme- und Kaelteerzeugern fuer alle Zonen
DE1454561B2 (de) * 1964-03-05 1972-06-22 Frenger International Corp , Bern Klimaanlage mit einer als ventialtionsanlage ausgebildeten strahlungsunterdecke

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4107447A1 (fr) * 2020-02-19 2022-12-28 AERMEC S.p.A. Système de climatisation centralisé

Also Published As

Publication number Publication date
ATE229161T1 (de) 2002-12-15
EP0985891A1 (fr) 2000-03-15
DE59806545D1 (de) 2003-01-16
DK0985891T3 (da) 2003-03-24

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