EP2524172A1 - Wärmeübertrageranordnung - Google Patents
WärmeübertrageranordnungInfo
- Publication number
- EP2524172A1 EP2524172A1 EP11700125A EP11700125A EP2524172A1 EP 2524172 A1 EP2524172 A1 EP 2524172A1 EP 11700125 A EP11700125 A EP 11700125A EP 11700125 A EP11700125 A EP 11700125A EP 2524172 A1 EP2524172 A1 EP 2524172A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- air
- chamber
- enclosure
- defrosting
- 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.)
- Granted
Links
Classifications
-
- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
-
- 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
- F24F2013/0616—Outlets that have intake openings
Definitions
- the invention relates to a heat exchanger arrangement, in particular for room ventilation (RLT) - systems or in plants for the production of cold air for cooling processes.
- RLT room ventilation
- Air is thermally treated in the abovementioned systems and a basic function of these systems is to cool air in order to use it as cold air for air conditioning purposes or other cooling processes.
- air heat exchanger in which the air is cooled.
- a heat receiving fluid can be used a refrigerant or a cooling brine.
- the air heat exchangers are partly man-high components and there is a considerable technical and design effort to efficiently integrate these heat exchangers in the air conditioning systems and these in the building.
- the air-heat exchangers for cooling air are mainly operated below the dew point of the air to be cooled, so that separates water as condensate at the heat exchangers, which is at Heat exchanger temperatures below the freezing point deposits as ice on the heat exchanger.
- a resulting requirement of generic heat exchanger now consists in defrosting the air heat exchanger at regular intervals to maintain the efficiency of heat transfer and dissipate the liberated condensate. For this purpose, additional energy in the form of heating energy is usually required to accomplish the defrosting of the heat exchanger time efficient.
- a disadvantage of the generic systems known in the prior art is often that the defrosting devices integrated by additional heating cartridges in the air heat exchangers do not operate in an energy-efficient manner, because a part of the introduced heating energy escapes without causing the defrosting of the frozen condensate.
- the object is achieved by a heat exchanger assembly according to claim 1. Further developments of the invention are specified in the subclaims.
- the object is achieved, in particular, by a heat exchanger arrangement which consists of an air heat exchanger arranged in a thermally insulated, chamber-like housing.
- the air-heat exchanger also has a defrost on and it is further provided in the chamber-like enclosure a fan for conveying the air.
- the chamber-like enclosure forms part of the air flow space and is through the air heat exchanger in one Segmented flow space and a discharge space with respect to the heat transfer.
- a particular feature of the air-heat exchanger according to the invention is that it has adjustable flaps, which are arranged on an air inlet and air outlet side the air flow path through the air heat exchanger through regulable and shut-off trains are formed.
- the flaps of the Lucas Oundeltragers are thermally insulated.
- the flaps have a dual function, since these serve on the one hand the air deflection during the cooling operation of the heat exchanger assembly and on the other hand during defrosting the thermal insulation of the air-heat exchanger for efficient defrosting.
- the overall energy efficiency of the HVAC component is increased.
- the chamber-like enclosure has a walk-on base plate which, in the area of the inflow space, is permeable to air as the intake area for the chamber-like enclosure.
- the fan is preferably arranged in the outflow chamber of the chamber-like housing, so that the air flow passes through the intake in the walk-in floor plate in the Anströmraum the housing. Through the air heat exchanger through the air is directed into the outflow space of the enclosure to the intake of the fan.
- the fan is arranged according to an advantageous embodiment of the invention on the bottom plate and can be connected directly to the pressure side with a ventilation pipe.
- an inspection door is provided in the chamber-like enclosure.
- a defrost device with a condensate drain is advantageously formed on the air heat exchanger.
- One of the possibilities of heating the defrosting device is that heating elements are integrated in the air-heat exchanger.
- the defrosting device with the condensate drain can be reached via the inspection door.
- a constructive feature is that the chamber-like enclosure is constructed of a base frame are arranged on the elements of insulating material.
- brackets are formed as suspension rods on the base frame, whereby the chamber-like enclosure is mounted hanging on a building ceiling.
- the heat exchanger arrangement can also be on a suitable surface according to the structural conditions.
- the air flow direction when entering and exiting the chamber-like enclosure is advantageously formed parallel and vertical in the opposite direction.
- the air flow direction through the air heat exchanger is horizontal, wherein the two flaps of the air heat exchanger at the air inlet and air outlet, the air duct, air deflection and the air flow metering can be positioned effecting.
- the flap position during operation of the spatial ventilation system in the control and regulation concept of the system is einbindbar and it is achieved optimal air distribution and optimal defrosting.
- the flaps are for the defrosting of the air-heat exchanger so advantageously the air-heat exchanger outwardly thermally insulating positionable that the air inlet and air outlet side of the air-heat exchanger are completely covered. This ensures that during defrosting of the heat exchanger, the latter is thermally insulated to the outside in such a way that the heating energy, which is introduced via the defrosting device into the air-heat exchanger for defrosting, can be used almost completely for the defrosting process.
- the advantages of the heat exchanger arrangement according to the invention consist in the simple structural design and integration of the air heat exchanger and the heat exchanger assembly in the overall ventilation system, with good maintenance and repair friendliness can be achieved. Particularly noteworthy is that the heating energy for the defrosting of the heat exchanger is significantly improved in its efficiency over prior art designs and thus the energy used for defrosting is significantly reduced.
- Another advantage of using the air path limiting plates is that during defrosting, no moisture can leave the heat exchanger as steam and thus the moisture completely leaves the heat exchanger arrangement as a liquid via the discharge device of the defrosting device. Thus, the condensate accumulated in the heat exchanger is effectively removed from the air circuit and also does not load during defrosting as steam or moisture the subsequent fan and the adjacent air flow spaces.
- FIG. 1 shows a cross-section of a heat exchanger arrangement
- Fig. 2 Three-dimensional sketch of a heat exchanger assembly.
- a heat exchanger assembly 1 is shown in section.
- the heat exchanger assembly 1 consists essentially of a housing 3, in which the air-heat exchanger 2 is placed.
- the enclosure 3 itself is closed down by a bottom plate 8.
- the housing 3 is designed to be thermally insulated to the side and to the top.
- a design feature is that the enclosure 3 is executed as a result of the size of the Lucastownübertragers 2 as a walk-in cell as a component of the ventilation system.
- an inspection door 9 shown in Figure 2 is provided in the enclosure 3.
- the structural design of the chamber-like housing 3 is executed in the illustrated embodiment of a base frame and arranged on this isolation elements.
- On the base frame brackets 7 are also provided as a hanging rods, whereby the entire heat exchanger assembly 1 can be arranged hanging on a building. As a result, building volumes can be used that are otherwise difficult to use.
- the air-heat exchanger 2 segmented the chamber-like enclosure 3 in a Anströmraum 1 1 and a discharge space 12 for the air to be conditioned, the flow direction 6 is shown schematically by arrows. Due to the segmentation of the chamber-like enclosure 3 in the two flow spaces 1 1, 12, the chamber-like enclosure 3 itself becomes a Part of the flow guide of the ventilation system.
- the air heat exchanger 2 has over the areas of the air inlet opening and the air outlet opening extending motor-adjustable flaps 4. With the flaps 4, the air flow path of the air-heat exchanger 2 can be completely closed, so that a flow through the heat exchanger 2 with air can be greatly reduced or excluded. This is of particular importance in the case of the defrosting process for the air-heat exchanger 2.
- the flaps 4 are closed and the air flow path through the heat exchanger 2 is completely shut off. This prevents the air heat exchanger 2 from flowing through air during the defrosting process and transporting heat and moisture out of the heat exchanger with the air. This is also largely ensured that the introduced during the defrosting process in the heat exchanger 2 by means of the defrosting 10 heating energy is mainly used for defrosting the frozen condensate, which significantly improves the energy efficiency of the system.
- the flaps 4 are thermally insulated or even formed as insulation elements.
- the defrosting device 10 consists of a heating device, in the exemplary embodiment, the heating elements which are integrated in the air-heat exchanger 2 and a condensate drain pan, through which the removal of the condensate melting during defrosting targeted.
- the bottom plate 8 of the enclosure 3 carries the air-heat exchanger 2 and the fan 5.
- the fan 5 is thus arranged horizontally on the bottom plate 8 and conveys air through a recess in the bottom plate 8 into the indicated in Figure 1 vent pipe 13, through which the cooled air is then used or distributed in the ventilation system.
- the fan 5 is placed in the illustrated embodiment of the heat exchanger assembly 1 in the discharge chamber 12.
- the base plate 8 has in the region of the Anströmraumes 1 1 openings as hatched illustrated intake for the enclosure 3, through which air can flow from below into the chamber-like enclosure 3.
- the air flow direction 6 indicates the flow of the air in FIG. 1 by means of the arrows.
- FIG. 2 shows the perspective view of the heat exchanger arrangement 1. It is shown that, depending on the dimensioning of the air-heat exchanger 2 in the longitudinal direction, a plurality of fans 5 can be arranged. In the illustrated embodiment example, two fans 5 are provided.
- the heat exchanger assembly 1 As a particular advantage of the heat exchanger assembly 1 is to be mentioned that the air-heat exchanger 2, the flow space of the air within the chamber segmented such that a mixing of air from the inflow and outflow 1 1, 12 is largely prevented. For an efficient operation of the heat exchanger assembly 1 is possible and it does not come to uneconomical mixing of cooled and uncooled air.
- the fans 5 are arranged such that they are at an optimum angle to the air inlet and outlet and in the cell is a partition between negative pressure and positive pressure side. It is also particularly advantageous that no fan ring heaters are required and the position of the fans is executable such that a direct forwarding of the cooled air without additional deflection and thus with minimal fluidic losses to the on-site ventilation pipe or in the continuing air ducts is possible.
- the dimensions of the chamber-like enclosure and the inspection door 9 also facilitate inspections or repairs of raffle intimidations 1 also considerably.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Removal Of Water From Condensation And Defrosting (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010000956.3A DE102010000956B4 (de) | 2010-01-15 | 2010-01-15 | Wärmeübertrageranordnung |
PCT/EP2011/050172 WO2011086036A1 (de) | 2010-01-15 | 2011-01-07 | Wärmeübertrageranordnung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2524172A1 true EP2524172A1 (de) | 2012-11-21 |
EP2524172B1 EP2524172B1 (de) | 2018-01-31 |
Family
ID=43881083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11700125.5A Active EP2524172B1 (de) | 2010-01-15 | 2011-01-07 | Wärmeübertrageranordnung |
Country Status (5)
Country | Link |
---|---|
US (1) | US20120324935A1 (de) |
EP (1) | EP2524172B1 (de) |
BR (1) | BR112012017255A2 (de) |
DE (1) | DE102010000956B4 (de) |
WO (1) | WO2011086036A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202012001340U1 (de) | 2012-02-13 | 2012-03-27 | Thermofin Gmbh | Luftkühleranordnung |
DE202016104423U1 (de) | 2016-08-11 | 2016-08-22 | Thermofin Gmbh | Luftkühleranordnung |
DE102016117913B4 (de) | 2016-09-22 | 2022-08-11 | Güntner Gmbh & Co. Kg | Kühleinrichtung zur Kühlung von begehbaren Kühlräumen und Wärmeübertrageranordnung zur Verwendung in einer solchen Kühleinrichtung |
DE202016105281U1 (de) | 2016-09-22 | 2018-01-09 | Güntner Gmbh & Co. Kg | Kühleinrichtung zur Kühlung von begehbaren Kühlräumen und Wärmeübertrageranordnung zur Verwendung in einer solchen Kühleinrichtung |
DE202016105282U1 (de) | 2016-09-22 | 2018-01-09 | Güntner Gmbh & Co. Kg | Kühleinrichtung zur Kühlung von begehbaren Kühlräumen |
CL2017003498A1 (es) * | 2017-12-29 | 2018-05-04 | Ahr Energy Spa | Método para producir transferencia de calor entre dos o mas medios y un sistema para ejecutar dicho método. |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3010451A (en) * | 1958-11-28 | 1961-11-28 | Hodgins Comb Devices Ltd | Smoke pipe damper |
US3580238A (en) * | 1969-06-04 | 1971-05-25 | Save Fuel Corp | Automatic damper means |
US3589025A (en) * | 1969-06-24 | 1971-06-29 | Smith Corp A O | All weather gas generation controlled environment storage |
US3991518A (en) * | 1974-06-04 | 1976-11-16 | Norisue Ishihara | Adjustable louver shutter |
US3978684A (en) * | 1975-04-17 | 1976-09-07 | Thermo King Corporation | Refrigeration system |
DE2526537C3 (de) * | 1975-06-13 | 1978-08-31 | Bayerische Motoren Werke Ag, 8000 Muenchen | Luftmisch- und Luftverteilgerät in einer Belüftungs- und Heiz- oder Klimaanlage, insbesondere für Kraftfahrzeuge |
DE7635073U1 (de) * | 1976-11-05 | 1977-12-08 | Voetsch Gmbh, 6450 Hanau | Pruefschrank bzw. -kammer |
US4249883A (en) * | 1977-06-20 | 1981-02-10 | Save Fuel Corporation | Automatic damper device |
DE2909860A1 (de) * | 1979-03-13 | 1980-09-18 | Linde Ag | Kuehlmoebel |
US4492851A (en) * | 1980-12-29 | 1985-01-08 | Brazeway, Inc. | Swap action arrangement mounting an electric defroster heater to a finned refrigeration unit |
CA1176236A (en) * | 1983-03-29 | 1984-10-16 | Jonathan P. Maendel | Heat exchanger |
JPS6086337A (ja) * | 1983-10-14 | 1985-05-15 | Matsushita Refrig Co | 天井埋込型空気調和機 |
DE3341337A1 (de) * | 1983-11-15 | 1985-05-23 | Martin 7095 Rainau Wiedemann | Klimageraet |
JPS60108621A (ja) * | 1983-11-15 | 1985-06-14 | Matsushita Refrig Co | 天井埋込型空気調和機 |
US5458148A (en) * | 1993-06-24 | 1995-10-17 | Zelczer; Alex | Fluid flow control damper assembly and method |
DE19641258A1 (de) * | 1996-10-07 | 1998-04-09 | Guentner Gmbh Hans | Luftkühler mit Isoliergehäuse insbesondere für Tiefkühlräume |
ES2204008T3 (es) * | 1998-02-20 | 2004-04-16 | Smart Gmbh | Instalacion de calefaccion o de climatizacion para los vehiculos automoviles. |
DE10057006C1 (de) * | 2000-11-17 | 2002-05-23 | Friedhelm Meyer | Verfahren und Vorrichtung zum Betreiben von Klima- und Kälteanlagen |
DE10304011A1 (de) * | 2003-02-01 | 2004-08-05 | Kendro Laboratory Products Gmbh | Klimavorrichtung und Verfahren zum Abtauen eines Wärmeaustauschers einer Klimavorrichtung |
DE102004012498A1 (de) * | 2004-03-15 | 2005-10-06 | BSH Bosch und Siemens Hausgeräte GmbH | Kältegerät |
JP4075831B2 (ja) * | 2004-03-24 | 2008-04-16 | 株式会社デンソー | 車両用空調装置 |
JP4923639B2 (ja) * | 2005-11-11 | 2012-04-25 | ダイキン工業株式会社 | 空気調和装置の室内パネル及び空気調和装置 |
US20080264405A1 (en) * | 2007-04-25 | 2008-10-30 | Van Becelaere Robert M | Fire damper |
EP2023049B1 (de) * | 2007-07-25 | 2013-10-30 | Sanyo Electric Co., Ltd. | In die Decke eingebaute Klimaanlage und Innenraumeinheit dafür |
JP4434303B2 (ja) * | 2008-02-05 | 2010-03-17 | ダイキン工業株式会社 | 空気調和機 |
-
2010
- 2010-01-15 DE DE102010000956.3A patent/DE102010000956B4/de not_active Expired - Fee Related
-
2011
- 2011-01-07 WO PCT/EP2011/050172 patent/WO2011086036A1/de active Application Filing
- 2011-01-07 BR BR112012017255A patent/BR112012017255A2/pt not_active IP Right Cessation
- 2011-01-07 EP EP11700125.5A patent/EP2524172B1/de active Active
-
2012
- 2012-07-10 US US13/545,208 patent/US20120324935A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2011086036A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2524172B1 (de) | 2018-01-31 |
US20120324935A1 (en) | 2012-12-27 |
DE102010000956A1 (de) | 2011-07-21 |
DE102010000956B4 (de) | 2014-05-28 |
BR112012017255A2 (pt) | 2017-10-03 |
WO2011086036A1 (de) | 2011-07-21 |
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