EP2357430B1 - Condensateur pour une climatisation, notamment d'un véhicule automobile - Google Patents

Condensateur pour une climatisation, notamment d'un véhicule automobile Download PDF

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Publication number
EP2357430B1
EP2357430B1 EP11166079.1A EP11166079A EP2357430B1 EP 2357430 B1 EP2357430 B1 EP 2357430B1 EP 11166079 A EP11166079 A EP 11166079A EP 2357430 B1 EP2357430 B1 EP 2357430B1
Authority
EP
European Patent Office
Prior art keywords
condenser
collector
section
refrigerant
pipe
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.)
Not-in-force
Application number
EP11166079.1A
Other languages
German (de)
English (en)
Other versions
EP2357430A3 (fr
EP2357430A2 (fr
Inventor
Martin Kaspar
Kurt Molt
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.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
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 Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP2357430A2 publication Critical patent/EP2357430A2/fr
Publication of EP2357430A3 publication Critical patent/EP2357430A3/fr
Application granted granted Critical
Publication of EP2357430B1 publication Critical patent/EP2357430B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F25B39/04—Condensers
    • 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
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/044—Condensers with an integrated receiver
    • F25B2339/0441—Condensers with an integrated receiver containing a drier or a filter
    • 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/04—Desuperheaters

Definitions

  • the invention relates to a condenser for an air conditioner according to claim 1, as far as its subject matter by the earlier patent application of the applicant with the file number EP-A-1 703 233 is known.
  • the EP-A-1 703 233 relates to a refrigerant condenser with a condensing section and a subcooling section arranged above it - so-called subcooling section, in which the refrigerant is cooled below its condensation temperature.
  • the condenser further comprises laterally arranged collecting pipes and an integrating collector, which communicates via a first and a second overflow opening with the adjacent collecting pipe or the condenser.
  • An insert is arranged in the collector, which comprises a downpipe, a filter-dryer unit and Having riser, wherein the downpipe on the input side communicates with the last Kondensierabites and the riser output side with the subcooling.
  • a dryer material a so-called molecular sieve
  • a mechanical sieve In the Hiter-dryer unit, a dryer material (a so-called molecular sieve) and a mechanical sieve are arranged, so that the refrigerant on the one hand freed from particles such as impurities when flowing through the filter-dryer unit and on the other hand dried.
  • a plug In the upper part of the collector, in the region of the overflow openings, a plug is arranged, which separates the incoming and outgoing refrigerant flows from each other.
  • an inflow chamber is arranged in the region of the first overflow opening (inflow opening) and an outflow chamber in the region of the second upperflow opening (outflow opening), which on the one hand is bounded by the cylindrical wall of the collector and on the other hand by two plates or partitions and a closure part.
  • the downcomer closes down to the inflow chamber, through which the refrigerant flow entering from the condenser section is channeled and oriented in its flow direction downwards, ie in the direction of the bottom of the accumulator.
  • the downpipe ends far above the ground.
  • a dryer element is arranged in the collector on the ground, which is preferably designed as a nonwoven bag with trapped dryer granules and extends up to below the inflow chamber.
  • the refrigerant flow emerging from the downpipe can thus contact the dryer material, as a result of which water is withdrawn from the refrigerant.
  • a continuous from the bottom to the outflow chamber riser or suction pipe is arranged in the collector, through which the refrigerant is fed from bottom to top in the outflow chamber.
  • the riser is extended in its lower cross-sectional area and takes a filter element, preferably designed as a filter hat, positive or non-positive in itself.
  • the downpipe and the riser are integrally formed with each other and have a Doppeiquerexcellent, characterized by a common partition, on.
  • the lower and the upper plate are integrally formed with riser and downpipe, so that when trained as a plastic injection molding an easy-to-use use results, which is inserted into the collector and secured by a closure part.
  • the assembly - or possibly also the disassembly - can thus be done with one or two steps.
  • Fig. 1 1 shows a multi-flow ouerstromkondensator 1, which has a tube fin block 2, laterally arranged manifolds 3, 4 and an integrated collector 5.
  • the pointing in alternate directions arrows P1, P2, P3, P4, P5 and P6 represent the flow directions of the refrigerant in individual pipe groups of the pipe ripen block 2, not shown, wherein the refrigerant enters via a lower nozzle 3a and 3b via an overhead nozzle exit.
  • the tube fin block 2 consists of a condensing section, which corresponds to the arrows P1 to P5, and a above the Kondensierabiteses arranged subcooling section, which is indicated by the arrow P6.
  • the subcooling section flows substantially liquid refrigerant, which is cooled by the ambient air, which acts on the condenser 1, below the condensation temperature of the refrigerant. Subsequently, the refrigerant leaves the condenser 1 via the connection 3b.
  • Fig. 2 shows an embodiment of the invention, the collector 5 in a sectional view without the adjacent manifold 4.
  • the collector 5 consists of two pipe sections, an upper extruded pipe section 5a and a lower, cohesively connected to the upper pipe section 5a welded pipe section 5b.
  • the collector 5 is closed down by a bottom 6 (not detachable) and upwards by a sealing plug 7 (releasably).
  • the extruded pipe section 5a has a first overflow opening (inlet opening) and a second overflow opening 9 (outflow opening), through which refrigerant flows from the not shown adjacent manifold according to the arrow E and flows out according to the arrow A.
  • the discharge chamber 11 is formed by the upper plate 13, which has a circumferential sealing ring 14 and by the releasable sealing plug 7, the lower plate 12 has in its central region an inlet opening 12a, which is followed by a downpipe 15, which a has lower outlet opening 15a.
  • a dryer element designed as filled with dryer granulate nonwoven bag 16, resting on the floor 6, arranged.
  • the nonwoven bag 16 has a shape corresponding to the installation conditions, ie here an elongated, extending in the longitudinal direction of the collector mold, which leaves enough space for flowing around the nonwoven bag 16 for the exiting from the downcomer pipe 15 refrigerant flow.
  • refrigerant is stored, which is in liquid and gaseous phase; the liquid level should be above the outlet opening 15a of the downpipe 15.
  • the downpipe 15 is a riser 17, preferably integrally connected, which extends in the longitudinal direction of the collector 5 from the bottom 6 to the upper plate 13.
  • the latter has an outlet opening 13a, to which the upper end 17a of the riser 17 connects.
  • the riser 17 penetrates with its upper portion 17 a, the inflow chamber 10 and the plate 12 and forms with its central portion 17 b together with the adjacent downpipe 15 has a double cross-section, ie two divided by a common partition cross-sections for in opposite directions flowing refrigerant.
  • the lower portion 17 c of the riser 17 is widened in its cross-section and takes in - as seen in the drawing - a cylindrical filter element, which is designed as a so-called filter cap 18.
  • the filter hat 18 has on its cylindrical circumference window-like filter screens 18b (particle filter), is closed at its upper front end 18a and open at the opposite end 18c.
  • the riser 17 is with its lower front end on the floor 6 and has for the access of refrigerant to a breakthrough 17d.
  • rod-shaped spacers 20 are arranged and connected to the plate 13 - they abut with their upper ends to the underside of the sealing plug 7 and thus fix the plate 13 upwards.
  • the riser 17, the downpipe 15, the lower plate 12, the upper plate 13 and the spacers 20 are preferably made in one piece as a plastic injection molded part and thus form an insert which can be inserted into the collector 5 from above - with the plug plug 7 removed.
  • the nonwoven bag 16 is inserted.
  • the closure plug 7 is inserted and fixed so that it forms an upper stop for the entire use with riser 17.
  • the refrigerant continues to flow downwards, thereby contacting the nonwoven bag 16 or the dryer granules contained therein, whereby moisture is removed from the refrigerant.
  • the refrigerant Arrived at the bottom 6 of the collector 5, the refrigerant deflected according to an arrow G and enters through the lower opening 18c in the axial direction in the filter cap 18 a.
  • the refrigerant then flows in the radial direction through the window-like sieves 18b outward into the annular gap 19, wherein any entrained particles are retained by the sieves 18b and fall down to the bottom 6.
  • the refrigerant rises upward into the central region 17b and further into the upper region 17a of the riser 17.
  • the refrigerant leaves the collector 5 according to the arrow A and passes through the adjacent not shown Collector in the also not shown upper subcooling of the capacitor.
  • FIG. 3 , 4 and 5 show an example with a collector 21, which - as in the embodiment of two pipe sections, an upper extruded pipe section 21a and a lower welded pipe section 21b is composed.
  • a collector 21 which - as in the embodiment of two pipe sections, an upper extruded pipe section 21a and a lower welded pipe section 21b is composed.
  • In the upper tube piece 21a there are an inflow opening 22, which communicates with an inflow chamber 23, and an outflow opening 24, which communicates with an outflow chamber 25.
  • Inlet chamber 23 and outflow chamber 25 are separated from each other by a partition wall 26, which is formed as a disk and sealed on its circumference, with spacers 26a.
  • the collector 21 is closed at the bottom by a bottom 27 and at the top by a detachable sealing plug 28.
  • In the collector 21 designed as a riser 29 flow channel is arranged for flowing from the bottom 27 into the outflow chamber 25 refrigerant.
  • the riser 29 is on the floor 27 and extends in height, ie in the longitudinal direction of the collector 21 to the partition wall 26, which receives the upper end 29 a of the riser 29.
  • the lower end 29b has a shoulder 29c for entry of the refrigerant.
  • the riser 29 has a sleeve 30, which serves for the one-piece production of the riser 29.
  • a filter element 31 is disposed in the lower region of the riser 29, which the filter element 18 according toproofspiei of Fig. 2 corresponds, ie in form, arrangement and function.
  • a flow channel for inflowing refrigerant is provided, which is not formed by a closed pipe cross-section (in the form of a downpipe), but by a partition wall insert 32, the outer wall of the riser 29 and the inner wall of the pipe section 21 b.
  • the dividing wall insert 32 consists of two dividing wall strips 32a, 32b, which abut with their inner longitudinal edges on the riser 29 and with its outer longitudinal edge against the inner wall of the collector 21.
  • Die Trennwandst Shape 32a, 32b are connected to a bottom portion 33, which the inflow chamber 23 after bounded on the bottom (in the direction of the bottom 27), but on both sides of the riser 29 leaves two through-flow cross-sections for the inflowing refrigerant, which form the inlet to two injection channels 34 (cf. Fig. 5
  • the dividing wall strips 32a, 32b and the bottom part 33 are preferably formed in one piece and connected to the riser 29, inter alia via a web 33a.
  • a storage space 35 is arranged, in which in particular the gaseous phase of the refrigerant can collect.
  • the liquid level S of the refrigerant that is to say the separating plane between liquid and gaseous phase, is located in the region of the dividing wall strips 32a, 32b.
  • Fig. 5 shows a cross section corresponding to the plane VV with a view of the bottom part 33 and arranged on both sides of the riser 29 injection channels 34.
  • the cross section of the injection pipe 29 is slightly flattened, so that a good space utilization within the circular cross-section of the collector 21 for the injection channels 34 results and on the other hand a sufficiently large cross-section for the storage space 35 is available, in particular for the accommodation of the desiccant 36th
  • the riser 29, the bottom part 33 with partition insert 32 and the partition wall 26 with spacers 26a may preferably be made in one piece as a plastic injection molded part and thus form an insert, which - Together with the nonwoven bag 36 - inserted into the collector 21 and can be fixed there.
  • the function of the collector described above is basically the same as in the previous embodiment according to Fig. 2 , Differing is - as already mentioned - the geometric design of the flow channel, which adjoins the inflow chamber 23 and leads down, the downpipe 15 according to Fig. 2 is here substituted by the injection channels 34.
  • the inflowing according to arrow E refrigerant thus flows through the two injection channels 34 down, following the arrow F, wherein the refrigerant is deprived of moisture by the granules.
  • the refrigerant enters the bottom pipe 27 through the opening 29c in the riser 29, rises according to the dashed arrow H up to the outflow chamber 25, from which the refrigerant according to the arrow A exits.
  • the injection channels 34 ensures that the inflowing refrigerant is not with any gas cushion, which could be located in the upper part of the storage space 35, comes in contact so far down that the incoming refrigerant flow directly into the liquid phase of the refrigerant opens.
  • the liquid level S which has a geodetic height h with respect to the lower edge of the dividing wall strips 32a, 32b, is shown by way of example in the storage chamber 35.
  • the mirror S is variable in the course of the operation of the air conditioner, d. H. it can be higher or lower.
  • the length of the injection channels 34 should be such that the height h is always positive, i. H. immerse the lower edges of the dividing wall strips 32a, 32b in liquid refrigerant.

Claims (12)

  1. Condenseur (1) pour un système de climatisation, en particulier d'un véhicule automobile, comprenant un bloc d'ailettes de tubes (2) et des tubes collecteurs (3, 4) disposés latéralement, où le bloc d'ailettes de tubes (2) présente des tubes s'étendant horizontalement, une section de condensation (P1 à P5) et une section de surrefroidissement (P6) disposée au-dessus de la section de condensation, comprenant également un collecteur (5) disposé parallèlement à l'un des tubes collecteurs et logeant un dessiccateur, un filtre, un tube de descente (15) ainsi qu'un tube de montée (17), lequel collecteur, concernant le fluide frigorigène, communique avec la section de condensation (P5) via une première ouverture de trop-plein (8), et avec la section de surrefroidissement (P6) via une deuxième ouverture de trop-plein (9), où le tube de descente (15) communique, côté entrée, avec la première ouverture de trop-plein (8) via une chambre d'entrée de fluide (10) disposée dans le collecteur (5),
    caractérisé en ce que la chambre d'entrée de fluide (10) est délimitée par un plateau inférieur (12) et par un plateau supérieur (13).
  2. Condenseur selon la revendication 1, caractérisé en ce que le collecteur (5) présente un fond (6), et en ce qu'un élément (16) du dessiccateur est disposé entre la chambre d'entrée de fluide (10) et le fond (6).
  3. Condenseur selon la revendication 2, caractérisé en ce que l'élément du dessiccateur, remplissable avec un granulat de dessiccation, est configuré comme un sac (16) en tissu non tissé.
  4. Condenseur selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'une chambre d'évacuation de fluide (11) est disposée dans le collecteur (5), au-dessus de la chambre d'entrée de fluide (10), laquelle chambre d'évacuation de fluide est délimitée par le plateau supérieur (13) et par un élément de fermeture (7).
  5. Condenseur selon la revendication 4, caractérisé en ce que le tube de montée (17) présente une longueur allant du fond (6) jusqu'à la chambre d'évacuation de fluide (11).
  6. Condenseur selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le tube de descente (15) et le tube de montée (17) sont reliés l'un à l'autre.
  7. Condenseur selon la revendication 6, caractérisé en ce que le tube de descente (15) et le tube de montée (17) sont configurés en formant un seul et même tube et, sur le tronçon d'une longueur commune, présentent une double section.
  8. Condenseur selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le tube de montée (17) présente un tronçon inférieur (17c) dans lequel est logé l'élément (18) du filtre.
  9. Condenseur selon la revendication 8, caractérisé en ce que l'élément du filtre est configuré comme un couvercle de filtre (18) dans lequel le fluide peut être fourni axialement (flèche G) et évacué radialement (flèche H).
  10. Condenseur selon la revendication 9, caractérisé en ce que le couvercle de filtre (18) est logé et peut être fixé dans le tube de montée (17, 17c) en étant assemblé par complémentarité de forme et/ou par action de force.
  11. Condenseur selon la revendication 9 ou 10, caractérisé en ce que le tube de montée (17) présente, dans la zone du couvercle de filtre (18), une section augmentée (17c) et, avec le couvercle de filtre (18), forme un interstice annulaire (19).
  12. Condenseur selon l'une quelconque des revendications précédentes, caractérisé en ce que le tube de descente (15), le tube de montée (17), les plateaux inférieur et supérieur (12, 13) peuvent être réalisés en matière plastique en formant une seule et même pièce ou plusieurs pièces.
EP11166079.1A 2007-02-27 2008-02-25 Condensateur pour une climatisation, notamment d'un véhicule automobile Not-in-force EP2357430B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007009923A DE102007009923A1 (de) 2007-02-27 2007-02-27 Kondensator für eine Klimaanlage, insbesondere eines Kraftfahrzeuges
EP08716021A EP2129978B1 (fr) 2007-02-27 2008-02-25 Condenseur destiné à une climatisation, notamment à une climatisation de véhicule

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP08716021.4 Division 2008-02-25

Publications (3)

Publication Number Publication Date
EP2357430A2 EP2357430A2 (fr) 2011-08-17
EP2357430A3 EP2357430A3 (fr) 2011-12-21
EP2357430B1 true EP2357430B1 (fr) 2013-07-03

Family

ID=39433861

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08716021A Not-in-force EP2129978B1 (fr) 2007-02-27 2008-02-25 Condenseur destiné à une climatisation, notamment à une climatisation de véhicule
EP11166079.1A Not-in-force EP2357430B1 (fr) 2007-02-27 2008-02-25 Condensateur pour une climatisation, notamment d'un véhicule automobile

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP08716021A Not-in-force EP2129978B1 (fr) 2007-02-27 2008-02-25 Condenseur destiné à une climatisation, notamment à une climatisation de véhicule

Country Status (6)

Country Link
US (1) US8387407B2 (fr)
EP (2) EP2129978B1 (fr)
CN (1) CN101627267B (fr)
AT (1) ATE553341T1 (fr)
DE (1) DE102007009923A1 (fr)
WO (1) WO2008104349A2 (fr)

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DE102010040025A1 (de) * 2010-08-31 2012-03-01 Behr Gmbh & Co. Kg Kältemittelkondensatorbaugruppe
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CN101943539B (zh) * 2010-09-29 2011-12-07 浙江金宸三普换热器有限公司 热交换器的集流管结构
DE102012222664A1 (de) * 2012-08-09 2014-03-06 Behr Gmbh & Co. Kg Kondensator
US9612046B2 (en) * 2012-12-14 2017-04-04 Mahle International Gmbh Sub-cooled condenser having a receiver tank with a refrigerant diverter for improved filling efficiency
DE102013204294A1 (de) * 2013-03-12 2014-10-02 Behr Gmbh & Co. Kg Kondensatorbaugruppe für Kältemittel
DE102013217072A1 (de) * 2013-08-27 2015-03-05 Behr Gmbh & Co. Kg Kondensator
JP6460233B2 (ja) * 2015-05-26 2019-01-30 株式会社デンソー 凝縮器
KR102459106B1 (ko) * 2016-03-17 2022-10-27 한온시스템 주식회사 기액분리기 및 이를 포함하는 응축기
CN107560241A (zh) * 2016-06-30 2018-01-09 重庆长安汽车股份有限公司 一种车用过冷延伸冷凝器
CN107796145A (zh) * 2016-08-30 2018-03-13 株式会社京滨冷暖科技 冷凝器
US10563890B2 (en) * 2017-05-26 2020-02-18 Denso International America, Inc. Modulator for sub-cool condenser
DE102022201103A1 (de) 2022-02-02 2023-08-03 Mahle International Gmbh Einsatz für einen Sammler eines Kältemittelkondensators

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DE19912381B4 (de) 1999-03-19 2019-02-21 Mahle International Gmbh Kondensator
US6684648B2 (en) * 2000-07-26 2004-02-03 Fakieh Research & Development Center Apparatus for the production of freshwater from extremely hot and humid air
JP3925158B2 (ja) 2001-10-30 2007-06-06 株式会社デンソー 冷媒凝縮器
US7334429B2 (en) * 2002-08-31 2008-02-26 Behr Gmbh & Co. Kg Refrigerant condenser for motor vehicle air-conditioning systems
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Also Published As

Publication number Publication date
WO2008104349A2 (fr) 2008-09-04
CN101627267B (zh) 2012-12-26
US20100147019A1 (en) 2010-06-17
EP2129978A2 (fr) 2009-12-09
ATE553341T1 (de) 2012-04-15
EP2129978B1 (fr) 2012-04-11
CN101627267A (zh) 2010-01-13
EP2357430A3 (fr) 2011-12-21
DE102007009923A1 (de) 2008-08-28
WO2008104349A3 (fr) 2008-11-13
EP2357430A2 (fr) 2011-08-17
US8387407B2 (en) 2013-03-05

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