EP1256770B1 - Condenseur refroidi à l'air ou evaporateur chauffé par air - Google Patents

Condenseur refroidi à l'air ou evaporateur chauffé par air Download PDF

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Publication number
EP1256770B1
EP1256770B1 EP02009647A EP02009647A EP1256770B1 EP 1256770 B1 EP1256770 B1 EP 1256770B1 EP 02009647 A EP02009647 A EP 02009647A EP 02009647 A EP02009647 A EP 02009647A EP 1256770 B1 EP1256770 B1 EP 1256770B1
Authority
EP
European Patent Office
Prior art keywords
air
cooled
cooling agent
liquefier
housing
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
EP02009647A
Other languages
German (de)
English (en)
Other versions
EP1256770A1 (fr
Inventor
Jose Ribeiro Henriques
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.)
Teko Gesellschaft fuer Kaeltetechnik mbH
Original Assignee
Teko Gesellschaft fuer Kaeltetechnik mbH
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 Teko Gesellschaft fuer Kaeltetechnik mbH filed Critical Teko Gesellschaft fuer Kaeltetechnik mbH
Publication of EP1256770A1 publication Critical patent/EP1256770A1/fr
Application granted granted Critical
Publication of EP1256770B1 publication Critical patent/EP1256770B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
    • F28B1/06—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using air or other gas as the cooling medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core

Definitions

  • the invention relates to an air-cooled condenser or an air-heated evaporator, consisting of a fan-evaporator housing, in which at least one fan is arranged in front of a plurality of curved and ribbed coolant tubes, which form a circular arc-shaped outer surface of the housing and arranged at intervals A one above the other, each with a constant radius R. are.
  • high-throughput evaporators which are manufactured as a heat exchanger block with copper pipes and aluminum fins.
  • the copper tubes are referred to as the primary surface and the aluminum fins as a secondary surface.
  • Object of the present invention is to improve the design of air-cooled condensers or evaporators such that with minimal space consumption optimal air distribution is achieved with low noise.
  • air speed and ⁇ T should be adjustable within wide limits, and even in the high power level still a relatively low energy consumption should be achieved.
  • the coolant tubes are arranged semicircular on the outer surface of the circular arc-shaped housing. They lie at intervals one above the other with a constant radius wherein the ribs are perpendicular to the radii and the coolant tubes are connected to each other with a larger fin spacing.
  • the fin spacing between 6 and 10 mm, wherein the space between the tubes and the vertical ribs or fins should be designed as a diffuser.
  • the spacing of the lamellae in the circular plane from a minimum A min on the side facing the center of the circle on a distance maximum A max formed on the outer side of the housing increasing.
  • the emission direction and the volume flow of the air-cooled condenser or evaporator can be made adjustable via the diffuser openings between the fins or ribs of the coolant tubes, wherein the space between the perforated cylinder portion and the inner edges of the verripten coolant tubes is designed as storage space.
  • circle segments are used with segment angles ⁇ of 45 °, 60 °, 90 °, 180 ° or 360 °.
  • the placement of the condenser or evaporator according to the invention can take place in a corner, on the wall or in the middle of the space to be cooled.
  • the larger fin spacing is particularly low because of the avoidance of icing, with round plate packs can be made with integral lamellae of up to four rows of tubes in depth.
  • FIG. 1 shows an inventive air-cooled condenser or evaporator is shown, consisting of a cylinder segment with semicircular base, which is designed as a fan or evaporator housing 1 with cylindrical shell-shaped curved and ribbed coolant tubes 2.
  • the housing 1 is open only on the outer surface 3, so that radiation from the cylinder segment in the direction of the arrow is possible.
  • the housing 1 Up and down, the housing 1 is closed by an upper and lower semicircular cover 4.5.
  • the back is formed by a flat rear wall 6.
  • FIG. 2 likewise shows a condenser or evaporator designed according to FIG. 1, but in an exploded view.
  • the connection ends 11, 12 of the semicircularly curved coolant tubes 2 with the radius R can be seen.
  • the connection ends 11, 12 of the semicircularly curved coolant tubes 2 with the radius R can be seen.
  • the connection ends 11, 12 of the semicircularly curved coolant tubes 2 with the radius R can be seen.
  • At the open terminal ends 11,12 back plates 9,10 are arranged or screwed. With the rear plates 9,10, the distances A of the coolant tubes 2 are fixed.
  • the pipe bends 13-18 can be seen. This results in a continuous connection between the individual coolant tubes.
  • fans 7 are arranged, which blow air from the outside into the housing.
  • the injected air can only escape through the ribbed coolant tubes 2 through the circular outer surface 3.
  • FIG. 3 shows an enlarged detail of the finned coolant tubes 2 in the region of a rear plate 9. Furthermore, an upper tube bend 15 can be seen, which connects the coolant tubes 2a, 2b arranged in the upper region.
  • the superposed coolant tubes 2b, 2c, 2d, 2e, 2f have common rib or lamellar surfaces. There is therefore a rib plane E which runs perpendicular to the plane formed by the radii R. Between the ribs a rib space for the passage of the cooled or the already cooled air is formed.
  • fans 8 can be seen, which are attached to the lower cover 5 and blow air into the semicircular interior.
  • 5 correspondingly shaped chamfers 5A, 5B are incorporated in the lower cover.
  • a perforated cylinder section is mounted, which forms an air-permeable rear wall 6.
  • Figures 4 and 5 show alternative embodiments of the condenser or evaporator according to the invention. There are both quadrant segments and full circle segments can be displayed, the coolant tubes and the covers are designed as a quarter circle or full circle.
  • connection ends which emerge in the quarter circle on the visible side of the condenser or evaporator according to the invention. But it can also be integrated by minor changes, the terminal ends in the backs or in the top cover.
  • plates 9, 10 of the cylinder segments are screwed to the rear wall (6, 6a, 6b) and the outer surface 3 for rear-side separation of the storage space.
  • the spaces between the tubes and the vertically extending ribs or lamellae are formed as a diffuser, wherein the distance of the lamellae in the circular plane from a minimum (A min ) on the side facing the center of the circle to a distance maximum (A max ) on the outer side of the housing increases.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Claims (11)

  1. Un condenseur refroidi par air ou un évaporateur chauffé par air, composé d'un boîtier abritant le ventilateur/évaporateur, dans lequel au moins un ventilateur est installé face à plusieurs tubes à réfrigérant coudés et munis d'ailettes, formant la surface extérieure du boîtier en arc de cercle, et disposés les uns sur les autres à une distance A et avec le même rayon R, caractérisé par le fait que le boîtier du ventilateur/évaporateur (1) est composé d'un ou de plusieurs segments de cylindre et que les tubes à réfrigérant, disposés les uns sur les autres, présentent des surfaces communes d'ailettes ou de lamelles, constituant un plan d'ailette E, vertical à la surface formée par les rayons R et qui relient entre-eux les tubes à réfrigérant (2) disposés les uns sur les autres, créant un espace entre les ailettes qui tient lieu de diffuseur pour le passage de l'air à refroidir ou de l'air déjà refroidi.
  2. Un condenseur refroidi par air ou un évaporateur chauffé par air, conformément à la revendication 1, caractérisé par le fait que les segments du cylindre sont formés en segments circulaires, dont une section perforée du cylindre est installée comme panneau arrière (6) à distance des bords intérieurs des tubes à réfrigérant à ailettes (2).
  3. Un condenseur refroidi par air ou un évaporateur chauffé par air, conformément à l'une des revendications sus-mentionnées, caractérisé par le fait que les segments du cylindre sont munis d'une chape supérieure et d'une chape inférieure (4,5), formant le boîtier avec le panneau arrière (6,6a,6b).
  4. Un condenseur refroidi par air ou un évaporateur chauffé par air, conformément à l'une des revendications sus-mentionnées, caractérisé par le fait que des écarteurs (19) sont montés entre le panneau arrière (6,6c,6b) et les bords intérieurs des tubes à réfrigérant.
  5. Un condenseur refroidi par air ou un évaporateur chauffé par air, conformément à l'une des revendications sus-mentionnées, caractérisé par le fait que un ou plusieurs ventilateurs (7,8) sont disposés sur le panneau arrière (6,6a,6b) ou sur la chape inférieure (5).
  6. Un condenseur refroidi par air ou un évaporateur chauffé par air, conformément à l'une des revendications sus-mentionnées, caractérisé par le fait que l'espace entre la section perforée du cylindre et les bords intérieurs des tubes à réfrigérant à ailettes constitue un lieu d'accumulation.
  7. Un condenseur refroidi par air ou un évaporateur chauffé par air, conformément à l'une des revendications sus-mentionnées, caractérisé par le fait que des plaques (9,10) de segments de cylindre sont fixées par des vis sur le panneau arrière (6,6a,6b) et sur la surface extérieure (3), séparant le lieu d'accumulation à l'arrière.
  8. Un condenseur refroidi par air ou un évaporateur chauffé par air, conformément à l'une des revendications sus-mentionnées, caractérisé par le fait que les plaques (9,10) contiennent, d'une part les terminaux de raccordement (11,12) des tubes à réfrigérant semi-circulaires et d'autre part des tubes coudés (13-18) qui sont enveloppés de tous les cotés par la chape supérieure et la chape inférieure (4,5) et par le segment de cylindre du boîtier.
  9. Un condenseur refroidi par air ou un évaporateur chauffé par air, conformément à l'une des revendications sus-mentionnées, caractérisé par le fait que les ailettes verticales entre les tubes à réfrigérant exercent la fonction d'écarteurs pour la chape supérieure et la chape inférieure.
  10. Un condenseur refroidi par air ou un évaporateur chauffé par air, conformément à l'une des revendications sus-mentionnées, caractérisé par le fait que l'écart entre les lamelles dans le plan circulaire va en augmentant d'un minimum (Amin) sur le coté face au centre du cercle, vers un maximum (Amax) sur le coté extérieur du boîtier.
  11. Un condenseur refroidi par air ou un évaporateur chauffé par air, conformément à l'une des revendications sus-mentionnées, caractérisé par le fait que la direction et le volume de dissipation du condenseur refroidi par air ou de l'évaporateur sont réglables au niveau de l'ouverture du diffuseur entre les lamelles ou les ailettes des tubes à réfrigérant.
EP02009647A 2001-05-12 2002-04-27 Condenseur refroidi à l'air ou evaporateur chauffé par air Expired - Lifetime EP1256770B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20107972U DE20107972U1 (de) 2001-05-12 2001-05-12 Luftgekühlter Verflüssiger oder Verdampfer
DE20107972U 2001-05-12

Publications (2)

Publication Number Publication Date
EP1256770A1 EP1256770A1 (fr) 2002-11-13
EP1256770B1 true EP1256770B1 (fr) 2006-03-01

Family

ID=7956770

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02009647A Expired - Lifetime EP1256770B1 (fr) 2001-05-12 2002-04-27 Condenseur refroidi à l'air ou evaporateur chauffé par air

Country Status (4)

Country Link
EP (1) EP1256770B1 (fr)
AT (1) ATE319063T1 (fr)
DE (2) DE20107972U1 (fr)
ES (1) ES2260349T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013005644U1 (de) 2013-06-24 2014-09-25 Dometic Sweden Ab Kühlmittelverflüssiger-Einheit für Kühlguttransporte

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10205652B4 (de) * 2002-02-12 2005-05-19 Rittal Gmbh & Co. Kg Dachaufbau-Kühlgerät für einen Schaltschrank
US7247959B2 (en) 2002-10-11 2007-07-24 Siemens Power Generation, Inc. Dynamoelectric machine with arcuate heat exchanger and related methods
DE102008019894B4 (de) * 2008-04-21 2010-09-30 Torsten Enders Rückkühler mit kreisförmig gebogenem Lamellenwärmetauscher
DE102012005248A1 (de) * 2011-05-10 2013-05-16 Bundy Refrigeration Gmbh Mehrkanal-Verdampfersytem
CN202188613U (zh) * 2011-07-05 2012-04-11 海信科龙电器股份有限公司 一种空调室内机蒸发器结构

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE357539C (de) * 1922-08-28 Justin Perchot Kuehler fuer Explosionsmotoren
US2454654A (en) * 1947-01-22 1948-11-23 Gen Motors Corp Air cooling apparatus
US3006612A (en) 1958-03-17 1961-10-31 Borg Warner Heat exchangers
JPS5919883Y2 (ja) * 1980-03-19 1984-06-08 日立建機株式会社 環状熱交換器
US4502291A (en) * 1982-12-16 1985-03-05 Carrier Corporation Combination fan motor and orifice support assembly
US4603559A (en) * 1985-07-08 1986-08-05 Wu Ming W Water-cooled air conditioner
US4967830A (en) * 1988-05-02 1990-11-06 Eubank Manufacturing Enterprises, Inc. Arcuate tubular evaporator heat exchanger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013005644U1 (de) 2013-06-24 2014-09-25 Dometic Sweden Ab Kühlmittelverflüssiger-Einheit für Kühlguttransporte
EP2818346A2 (fr) 2013-06-24 2014-12-31 Dometic Sweden AB Unité de liquéfaction d'agent refroidissant pour le transport de marchandises frigorifiques

Also Published As

Publication number Publication date
EP1256770A1 (fr) 2002-11-13
DE50205899D1 (de) 2006-04-27
DE20107972U1 (de) 2001-07-26
ES2260349T3 (es) 2006-11-01
ATE319063T1 (de) 2006-03-15

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