EP0395535B1 - Klimagerät zum Heizen oder Kühlen eines Raumes - Google Patents

Klimagerät zum Heizen oder Kühlen eines Raumes Download PDF

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Publication number
EP0395535B1
EP0395535B1 EP90401172A EP90401172A EP0395535B1 EP 0395535 B1 EP0395535 B1 EP 0395535B1 EP 90401172 A EP90401172 A EP 90401172A EP 90401172 A EP90401172 A EP 90401172A EP 0395535 B1 EP0395535 B1 EP 0395535B1
Authority
EP
European Patent Office
Prior art keywords
exchanger
air
battery according
conditioning battery
envelope
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
EP90401172A
Other languages
English (en)
French (fr)
Other versions
EP0395535A1 (de
Inventor
Guy De Seyssel
Edmond Montaz
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.)
Spirec A Responsabilite Ltee Ste
Original Assignee
Spirec A Responsabilite Ltee Ste
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 Spirec A Responsabilite Ltee Ste filed Critical Spirec A Responsabilite Ltee Ste
Priority to AT90401172T priority Critical patent/ATE78331T1/de
Publication of EP0395535A1 publication Critical patent/EP0395535A1/de
Application granted granted Critical
Publication of EP0395535B1 publication Critical patent/EP0395535B1/de
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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • 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

Definitions

  • the present invention relates to an air conditioning battery, intended for heating or cooling a room.
  • Air conditioning batteries are known which are intended to take place inside combined ventilation ducts, upstream to an air conditioning unit, and downstream to the room whose temperature is to be regulated.
  • FR-A-2 494 404 consist of a cylindrical envelope, of circular section, containing an exchanger made up of elements inside which circulates a heat transfer fluid, and which make it possible to modify the temperature of the air flow passing through them.
  • Such batteries if they allow a particularly efficient air conditioning, unfortunately have the drawback of being, due to the very complexity of their constitution, a high manufacturing cost.
  • exchangers which have a particularly advantageous manufacturing cost, and which usually consist of a set of pipes provided with means, such as for example fins, allowing them to have an optimum contact surface with the ambient atmosphere.
  • These exchangers which are the most commonly used, are generally contained in a flat envelope, in shape, seen in plan, rectangular.
  • the present invention aims, an air conditioning battery, of cylindrical section, therefore perfectly integrated into the most commonly used ventilation ducts, with a low manufacturing cost, and which ensures sufficient air flow for a reduced pipe diameter.
  • the present invention thus relates to an air conditioning battery of the type comprising a cylindrical casing of revolution about an axis, open at each of these upstream and downstream ends, inside which exchanger means are arranged, crossed by the air fluid to be conditioned, these exchanger means being constituted by a set of conduits traversed by a heat transfer fluid, characterized in that the exchanger means consist of at least one planar exchanger, this exchanger being inclined on the axis of the cylindrical shell at an angle of less than 45 °, the peripheral walls of this exchanger being tightly connected to the internal walls of the cylindrical shell, so as to separate the latter into two zones, an upstream and a downstream area.
  • the air conditioning battery according to the invention makes it possible to solve the problem, conventional in this type of installation, namely to have a ratio of the flow of air supplied, over the space requirement which is minimal.
  • the air conditioning batteries are generally placed in places where space is measured, such as, for example, false ceilings.
  • these batteries must be able to provide, for a given room, a given flow rate.
  • the external dimensions of the battery are limited, for example by the height of the false ceiling, the only way to adapt the flow of the latter to the necessity imposed by the volume of the room to be conditioned is to increase the speed of the air flow passing through the battery.
  • the speed of the air blown by the air conditioning system must remain below a certain threshold, in particular for two main reasons.
  • the first is that an excessively high air speed would cause inconvenience to the occupants of the premises.
  • the second is linked to condensation phenomena.
  • the air passing through the battery When, generally during the summer period, the air passing through the battery is cooled, this air will become charged with humidity.
  • a flow of air arriving on the battery at a temperature of 30 ° and a humidity rate of 40% and which would exit from this battery at a temperature of the order of 12 ° would then see its humidity reach a humidity rate of around 90%.
  • the air flow if the speed of the air passing through the battery is very high, the air flow then causes the water droplets in suspension in the air which, on the one hand, will eventually cause a deterioration of the installation and, on the other hand, may project water droplets entrained by the air flow into the room.
  • the present invention makes it possible, by playing on the inclination of the plane of the exchanger relative to the longitudinal axis of the casing, to obtain a battery of air conditioning having a passage section adjustable as a function of the desired air flow, independently of the outlet section of its envelope. It therefore makes it possible to appreciably reduce the section of the air conditioning batteries, which allows the designer of a building to make a gain, in particular at the level of the necessary height of the false ceilings, resulting in substantial savings on the whole building.
  • Another advantage of the air conditioning battery according to the invention is to constitute, naturally, a soundproofing to the air flow passing through the battery.
  • air conditioning batteries generally constitute a vector for the propagation of sound, so that one is obliged to provide devices constituting "sound traps", generally made of baffles.
  • the present invention by the inclination of its exchanger with respect to the longitudinal direction of the battery, constitutes in itself a system of baffles, damping the noise conveyed by the air flow.
  • the circular section of this type of battery makes it possible to include, in a simple manner, additional noise attenuating means, which would be particularly difficult to implement in the case of batteries of rectangular section.
  • the envelope of the exchanger due to its cylindrical shape, constitutes a retention tank for this condensation water, which leads to a simplification of the existing systems.
  • Figure 1 is a longitudinal sectional view of an air conditioning battery according to the invention.
  • FIG. 2 is a side view of the air conditioning battery of FIG. 1.
  • Figure 3 is a longitudinal sectional view of an alternative embodiment of an air conditioning battery according to the invention.
  • FIG. 4 is a side view of the air conditioning battery shown in FIG. 3.
  • Figure 5 is a longitudinal sectional view of a second alternative embodiment of an air conditioning battery according to the invention.
  • FIG. 6 is a side view of the air conditioning battery shown in FIG. 5.
  • Figure 7 is a longitudinal sectional view of an air conditioning battery according to the invention.
  • Figure 8 is a cross-sectional view of an air conditioning battery according to the invention.
  • Figure 9 is a longitudinal sectional view of an air conditioning battery according to the invention.
  • an air conditioning battery 1 consists of a cylindrical envelope 2 of circular section, open at each of these upstream and downstream ends, inside which is an exchanger 3.
  • This exchanger 3 consists of a frame 4, of substantially parallelepiped external shape, serving as support for a set of pipes provided with fins intended to promote contact with the ambient air, this set of pipes comprising two pipes, of inlet 5 and outlet 7 of a heat transfer fluid, circulating inside said exchanger.
  • the latter is fixed, at its upper and lower parts, to two rounded metal plates 9 and 11 respectively welded to the internal face of the circular envelope 2. These two metal plates firstly maintain the exchanger 3, and on the other hand, separate the internal volume of the casing 2 into two parts, an upstream part 13 and a downstream part 15.
  • the space between the lateral faces of the exchanger and the internal walls of the casing 2 are closed by sealing elements 17.
  • the two upstream and downstream ends of the cylindrical casing 2 are respectively provided with circular flanges, 19 and 21 intended to ensure the fixing of the air conditioning battery on ducts of upstream 22 and downstream 24 vents, provided for this purpose with corresponding identical flanges, with the interposition of a seal 23.
  • the exchanger 29 is planar and elliptical in shape, the ellipse being such that its lateral walls come into contact with the internal walls of a cylindrical envelope 30.
  • This envelope 30 is connected, in its upstream part 31, to a flexible ventilation sheath 33 force fitted on it.
  • the exchanger 29 is made integral with the internal wall of the casing 30 by means of four fixing lugs 32 integral with the wall 30.
  • a seal 34 is disposed between the exchanger 29 and the internal wall of the casing 30.
  • the exchanger as before, is provided with inlet pipes 36 and outlet pipes 38 intended to the circulation of a heat transfer fluid inside the exchanger.
  • the wall 30 of the exchanger consists of a perforated sheet on which is placed a sleeve 40 made of a sound insulating polyurethane foam.
  • a sleeve 40 made of a sound insulating polyurethane foam.
  • the conditioned air battery 38 consists of a tube 41 inside of which is arranged, substantially identical to that of FIG. 1, a planar exchanger 42 of rectangular shape.
  • the tube 41 is provided at its base with a siphon 44 intended to collect the condensation water.
  • the air conditioning battery 50 comprises, inside a cylindrical envelope 52 constituting the armature of the battery, and respectively upstream and downstream of an exchanger 50, flat perforated plates 54 and 56 perpendicular to the longitudinal axis of the casing 52.
  • the exchanger 50 is itself provided, on its downstream face, with a perforated plate 58.
  • perforated plates are intended, on the one hand to improve the homogeneity of the air streams arriving and leaving the air conditioning battery.
  • These plates are, on the other hand, intended, in the case where the air, after passing through the exchanger, sees its temperature drop below the dew point, to capture the condensation droplets so as to maintain them inside the battery, and thus avoid charging the air leaving it in liquid droplets.
  • the water of condensation, once captured, by the perforated plates 56, 58 is evacuated, for example, using a device of the type described in FIGS. 5 and 6.
  • the exchanger is arranged in such a way, in its casing 52, that its upstream side is located at a lower level than its downstream side so as to direct the air streams, possibly charged with water droplets on the basis of the envelope 52 where these droplets are, at least partially, captured by the wall.
  • the air conditioning battery 60 is disposed in a technical sheath 62 allowing access to the battery only through its upper part.
  • a longitudinal hatch 66 of width corresponding to the thickness of an exchanger 68, is provided at its upper part, and makes it possible to extract the exchanger from the body of the battery, without having to disassemble the latter from the ventilation ducts. to which it is connected, and without having to remove it from the technical sheath 62.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Secondary Cells (AREA)
  • Hybrid Cells (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Catching Or Destruction (AREA)

Claims (11)

1. Luftkonditioniergerät mit einem in Bezug auf eine Achse (x, y) zylindrischen Gehäuse (2, 30, 41, 80), das an seinen beiden, stromauf und stromab gelegenen Ende offen ist und in dessen Innerem quer zum zu konditionierenden Luftstrom angeordnete Wärmetauschermittel (3, 29, 42, 68, 82) angeordnet sind, wobei die Wärmetauschermittel aus einer Anordnung von Leitungen bestehen, die von einer Wärmeträgerflüssigkeit durchströmt werden, dadurch gekennzeichnet, daß die Wärmetauscher aus mindestens einem ebenen, in Bezug auf die Achse (x, y) des zylindrischen Gehäuses mit einem Winkel unter 45° schräg angeordneten Wärmetauscher (3, 29, 42, 68, 82) bestehen, dessen Umfangswände dicht nit den Innenwänden des zylindrischen Gehäuses derart verbunden sind, daß sie dieses in zwei Zonen, eine stromauf gelegene Zone (13) und eine stromab gelegene Zone (15) unterteilen.
2. Luftkonditioniergerät nach Anspruch 1, dadurch gekennzeichnet, daß der Wärmetauscher (3, 442, 68, 82) einen rechteckigen Grunsdriß hat.
3. Luftkonditioniergerät nach Anspruch 1, dadurch gekennzeichnet, daß der Wärmetauscher (29) im Grundriß ellipsenförmig ist, wobei die Krümmung der Ellipse und die Neigung des Wärmetauschers zur Asche (x, y) des zylindrischen Gehäuses so gewählt ist, daß die Flanken des Wärmetauschers einen deutlichen Kontakt mit der Innenwand des zylindrischen Gehäuses erhalten.
4. Luftkonditioniergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß auf der Außenfläche seines Gehäuses Mittel zur thermischen oder akustischen Isloation vorgesehen sind.
5. Luftkonditioniergerät nach Anspruch 4, dadurch gekennzeichnet, daß die Isoliermittel aus einer Hülle (40) aus wärme- und/oder schallisolierendem Material bestehen, die auf das Gehäuse des Geräts aufgebracht ist.
6. Luftkonditioniergerät nach Anspruch 4, dadurch gekennzeichnet, daß das zylindrische Gehäuse aus einem perforiertem Blech (30) besteht.
7. Luftkonditioniergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Basis des zylindrischen Gehäuses von einer Ausmündung durchbrochen ist, die mit einem Siphon für die Ableitung von Kondenswasser verbunden ist.
8. Luftkonditionierungsgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Wärmetauscher (50) zumindest an seiner stromab gelegenen Seite mit einer perforierten Platte (58) belegt ist.
9. Luftkonditioniergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß wenigstens der stromab gelegene Bereich des zylindrischen Gehäuses (52) mit einer rechtwinkling zur Längsachse des Gehäuses angeordneten und in Kontakt mit dessen Innenwänden stehenden, perforierten Platte (56) versehen ist.
10. Luftkonditioniergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Wärmetauschermittel aus mehreren in Reihe angeordneten Wärmetauschern (82) bestehen.
11. Luftkonditioniergerät nach Anspruch 10, dadurch gekennzeichnet, daß die Wärmetauschermittel aus zwei Wärmetauschern (82) bestehen, die von Wärmeträgerflüssigkeiten durchströmt werden, deren Temperatur unter bzw. über der der zu konditionierenden Luft liegt.
EP90401172A 1989-04-28 1990-04-27 Klimagerät zum Heizen oder Kühlen eines Raumes Expired - Lifetime EP0395535B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90401172T ATE78331T1 (de) 1989-04-28 1990-04-27 Klimageraet zum heizen oder kuehlen eines raumes.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8905718 1989-04-28
FR8905718A FR2646498B1 (fr) 1989-04-28 1989-04-28 Batterie de conditionnement d'air, destinee a assurer le chauffage ou le refroidissement d'un local

Publications (2)

Publication Number Publication Date
EP0395535A1 EP0395535A1 (de) 1990-10-31
EP0395535B1 true EP0395535B1 (de) 1992-07-15

Family

ID=9381277

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90401172A Expired - Lifetime EP0395535B1 (de) 1989-04-28 1990-04-27 Klimagerät zum Heizen oder Kühlen eines Raumes

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EP (1) EP0395535B1 (de)
AT (1) ATE78331T1 (de)
DE (1) DE69000193T2 (de)
FR (1) FR2646498B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050126765A1 (en) 2003-12-01 2005-06-16 Carlambrogio Bianchi Bent coil for ducted unit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3352126A (en) * 1965-07-21 1967-11-14 Wiklander Metallic Fabricators Support for heat exchanger
US3620039A (en) * 1969-12-22 1971-11-16 Carrier Corp Evaporator coil package
IT8045741A0 (it) * 1980-11-14 1980-11-14 Agostino Tonon Scambiatore di calore ventilato particolarmente impiegabile per il riscaldamento e/o raffreddamento di ambienti.

Also Published As

Publication number Publication date
ATE78331T1 (de) 1992-08-15
DE69000193D1 (de) 1992-08-20
FR2646498B1 (fr) 1991-08-09
EP0395535A1 (de) 1990-10-31
DE69000193T2 (de) 1993-02-25
FR2646498A1 (fr) 1990-11-02

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