EP1893926B1 - Condensateur pour installation de climatisation - Google Patents

Condensateur pour installation de climatisation Download PDF

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Publication number
EP1893926B1
EP1893926B1 EP06754089.8A EP06754089A EP1893926B1 EP 1893926 B1 EP1893926 B1 EP 1893926B1 EP 06754089 A EP06754089 A EP 06754089A EP 1893926 B1 EP1893926 B1 EP 1893926B1
Authority
EP
European Patent Office
Prior art keywords
modulator
partition
condenser
standpipe
riser
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.)
Revoked
Application number
EP06754089.8A
Other languages
German (de)
English (en)
Other versions
EP1893926A1 (fr
Inventor
Dirk Lautner
Stefan Herwig
Hiroyasu Shimanuki
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.)
Denso Automotive Deutschland GmbH
Denso Corp
Original Assignee
Denso Automotive Deutschland GmbH
Denso Corp
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
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Application filed by Denso Automotive Deutschland GmbH, Denso Corp filed Critical Denso Automotive Deutschland GmbH
Publication of EP1893926A1 publication Critical patent/EP1893926A1/fr
Application granted granted Critical
Publication of EP1893926B1 publication Critical patent/EP1893926B1/fr
Revoked 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/02—Subcoolers
    • 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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/16—Receivers
    • F25B2400/162—Receivers characterised by the plug or stop

Definitions

  • the invention relates to a condenser for an air conditioning system, in particular for motor vehicles, according to the preamble of claim 1.
  • Such a capacitor describes DE 102 50 384 A1 ,
  • a filter is integrally formed with a cover member, the partition member and a suction pipe.
  • DE 103 45 921 A1 shows a condenser and a receiving device for desiccant, wherein a tubular collector is provided with a closure lid to which a seal is attached as a separating element.
  • EP 480,330 It is known to form a condenser for an air conditioner with an overhead condensing section through which gaseous refrigerant flows, and a subcooling section below, through which flows the condensed liquid refrigerant, which is passed on to an expansion valve.
  • a tubular modulator On the side of the plate-shaped finned tube block condenser or at a distance from this, a tubular modulator is provided, in which a desiccant for absorbing moisture contained in the refrigerant can be arranged.
  • a condenser in the flow direction of the air in front of the condenser in the lower region of a charge air cooler can be arranged, as used in particular in diesel vehicles, a condenser is provided with an overhead subcooling, under which the Kondensierabites is arranged. As a result, the subcooling section is not affected by the heat radiation of the intercooler.
  • a closure plug is preferably provided at the upper end of the modulator in a condenser with overhead supercooling section, after which a divider dividing the modulator into an upper and a lower section with a desiccant container attached thereto can be pulled out of the modulator up with a riser.
  • the partition with container for desiccant and riser forms an exchange unit used in the modulator, on the one hand simplifies the assembly and on the other hand the maintenance of the capacitor and made with little expenditure of time.
  • Fig. 1 shows a plate-shaped condenser 1, which has an approximately rectangular shape and is composed of horizontally extending finned tubes 1a for the refrigerant, wherein perpendicular to the plane of the drawing between the finned tubes 1a air flows through the condenser.
  • the condenser 1 has a lower condensing section 1b through which gaseous refrigerant flows, and above it a subcooling section 1c separated by a partition wall 1f from the condensing section 1b, through which condensed liquid refrigerant flows.
  • the gaseous refrigerant is supplied through an inlet opening 1d on one side of the condensing section 1b and flows through the horizontally located finned tubes 1a to an outlet opening 1e on the opposite side. Both the inlet opening 1 d and the outlet opening 1 e are arranged at a distance from the lower end of the Kondensierabitess 1 b. To reduce the pressure loss with respect to a serpentine-shaped flow guide in the condensing section 1b flows in the design Fig. 1 the gaseous refrigerant horizontally between inlet and outlet.
  • a modulator 2 is tubular and preferably has a diameter in the order of the thickness of the plate-shaped condensate 1.
  • This tubular modulator preferably extends over the height of the capacitor 1, wherein a connecting line 3 with the outlet opening 1e of the condensing 1b opens approximately at the same height in the modulator 2 at 2a, so that below the mouth opening 2a in the modulator a reservoir for liquid refrigerant is formed, which can collect in this area.
  • the modulator 2 is divided by a partition wall 2b into a lower portion 2c and upper portion 2d, the partition 2b being located approximately at the height of the partition wall 1f between the condensing portion 1b and the sub-cooling portion 1c.
  • the upper portion 2d of the modulator is connected to the subcooling portion 1c of the condenser 1 through a connection line 3a.
  • This connecting line 3a is preferably located directly above the partitions 2b and 1f or in the lower part of the upper part 2d of the modulator and in the lower part of the subcooling part 1c of the condenser.
  • a riser pipe 4 leads from the upper portion 2d of the modulator to the lower portion of the lower portion 2c.
  • the riser pipe 4 ends at a small distance from the bottom of the modulator 2. From the subcooling section 1 c, the condensed refrigerant exits through an outlet opening 1 g, from which a line, not shown, leads to an expansion valve. Through the riser pipe 4, the refrigerant conducted from the condensing section 1b into the modulator is directed upward into the subcooling section 1c, in which the liquid refrigerant is subjected to targeted heat dissipation.
  • a filter 5 can be provided ( Fig. 1, 4th . 3b and 3c ), which is flowed through by the refrigerant before it is transferred through the riser into the subcooling section 1c. It is also possible to arrange the filter at the upper end of the riser 4 and in the upper portion 2d, as this Fig. 2, 3a and 5 show, wherein the upper filter is denoted by 5 '.
  • Fig. 2 shows schematically eihe design in which the filter 5 'is arranged between the outlet opening of the riser 4 and connection opening 2e to the subcooling 1c so that the ascending through the riser pipe 4 refrigerant on its way to the subcooling section 1c the filter 5' must flow.
  • Fig. 2 1 schematically shows an embodiment in which the modulator 2 is mounted directly on the side surface of the condenser 1 so that the modulator 2 is separated from the condensing section 1b and the subcooling section 1c of the condenser only by a partition wall.
  • a connection line 3, 3a between the individual sections of condenser and modulator so that only one connection opening le between condensing section 1b and lower section 2c of the modulator and a connection opening 2e between upper section 2d of the modulator and subcooling section 1c of the condenser remain in the common partition wall.
  • the modulator 2 is closed at the top by a sealing plug 6, which can be screwed into the tubular modulator, for example with a thread.
  • the partition wall 2b can with a handle 2f ( Fig. 3b, c ) or another device which, after removal of the sealing plug 6, allows the partition 2b to be pulled out of the modulator.
  • the partition wall 2b which is provided on the outer periphery with a sealing ring, so that the upper portion 2d is sealed against the lower portion 2c in the modulator, is connected to the riser 4 and a container, for example a bag 7 or a drying agent cartridge, so These components 2b, 4, 5 and 7 form an exchange unit which can be pulled out of the modulator 2 from above after loosening the sealing plug 6.
  • the seal on the outer periphery of the partition wall 2b is preferably connected to it so that it is taken out of the modulator 2 with the exchange unit, so that it can be replaced if necessary. But it is also possible to provide a seal in the modulator 2, in which the partition 2b is used. In the design with seal on the partition wall 2b, a seal seat is preferably provided on the inner circumference of the modulator 2.
  • the bag 7 with desiccant is removably attached to the circumference of the riser 4.
  • the stopper 6 When reinserting the exchange unit can be inserted into the modulator and then the modulator are closed by the stopper 6.
  • a spacer for the partition which positions after insertion of the exchange unit and tightening the sealing plug, the partition wall 2b with the seal on the circumference in the predetermined position, wherein the partition at a sealing seat in the modulator is applied.
  • Fig. 3 shows different types of exchange units.
  • a bag 7 is hung on a hook 4a attached to the riser 4.
  • a retaining bracket 4b is formed on the riser 4, in which the bag 7 can be used.
  • Fig. 3c shows an embodiment with a curved riser 4 'or provided with a bulge riser, wherein the bag 7 is hooked to a hook on the riser 4'.
  • the diameter of the modulator 2 can be kept low.
  • a clip connection between bag 7 and riser 4 or partition 2b may be provided.
  • a tubular bag 7 'or tubular cartridge for desiccant can be provided, through the center of which the riser pipe 4 extends, so that the tubular bag 7' with desiccant from below onto the riser 4 can be deferred.
  • a disc 4d can be screwed onto the lower end of the riser 4.
  • the filter 5 with the disc 4 d is detachably connected to the riser 4.
  • the container 7 may be connected with desiccant fixed to the riser, wherein only the desiccant is interchangeable in the container or wherein the container 7 with riser and filter 5 is replaceable when the desiccant replaced shall be.
  • Fig. 4 shows a modified design in which at a distance from the bottom of the Kondensierabitess from the outlet opening 1e to the modulator 2 leading line 3 'in the lower region of the modulator at 2a' opens.
  • a reservoir for liquid refrigerant is formed in the modulator up to the height of the outlet opening 1e at the subcooling section.
  • the advantage of the arrangement of the outlet opening 1e at a distance above the bottom of the modulator 2 for forming a reservoir for liquid grinding agent in the modulator is that a backflow of liquid refrigerant is prevented in the Kondenserabites when the air conditioner is not in operation. By such a backflow of Liquid refrigerant in the idle state of the air conditioner could damage the re-commissioning occur.
  • the advantage of the exchange unit is mainly in the possible replacement of the polluting component filter 5 and riser 4. After replacing the exchange unit of the refrigerant side pressure drop can be reduced again, which is mainly due to the outlet opening 1e on Kondensierabites and by contamination of riser. 4 and filter 5 is amplified. Especially when the filter 5 is placed at the upper end of the riser 4, as this Fig. 2, 3a and 5 show, deposits can occur in the region of the riser pipe 4, which can be quickly eliminated by an exchange.
  • Fig. 5 shows a practical embodiment of a change unit, wherein the same reference numerals are used for the same or corresponding components as in the preceding figures.
  • a cage-shaped filter housing 50 is disposed above the partition 2b and between the filter housing and the partition wall 2b, a sealing ring 51 is provided, which ensures the seal between the upper and lower portion in the modulator.
  • the laterally open filter housing 50 for the discharge of the refrigerant is fixedly connected to the partition wall 2 b and the riser pipe 4.
  • the partition 2b may be formed integrally with the filter housing 50.
  • the sealing ring 51 can be used.
  • the filter housing 50 may be constructed, for example, of an upper disc 50a and a lower disc 50b, which are interconnected by webs 50c.
  • the filter housing 50 may be provided with a handle device 2f. Preferably, 50 recesses are provided on the top of the filter housing in the z. B. elastic hooks 61 of a pull-out tool 60 could be used under snap action, when the plug 6 is removed on the modulator 2. The hooks engage behind a shoulder in the recess in the filter housing, so that the exchange unit can be pulled out of the modulator 2 by means of the tool 60 upwards.
  • Fig. 6 shows an embodiment of such a tool 60
  • the U-shaped hooks 61 are elastically deformable in the radial direction to a paragraph in the filter housing 50 to pull out to pull out. But it can also be provided a trained in other ways tool.
  • the exchange unit comprises at least the partition 2b and the container 7 with desiccant.
  • the riser 4 is integrated with filter 5 in the exchange unit.
  • the exchange unit in two parts, so that after removal of the sealing plug initially a part, for. As the partition, is pulled out of the modulator and then the other elements are removed from the modulator.
  • a sealing plug is provided on the underside of the modulator 2, so that after the closure plug has been released, the exchange unit can be pulled down out of the modulator.
  • the riser 4 serve as a handle device by means of the partition wall can be pulled out of the modulator.
  • a downwardly projecting handle is also possible.
  • a stop is preferably provided, on which the partition wall or an element of the exchange unit comes to rest during insertion.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Drying Of Gases (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (7)

  1. Condensateur pour un conditionneur d'air, en particulier pour véhicules automobiles, comprenant
    - une section de condensation (1b) et une section de sous-refroidissement (1c) disposée au-dessus de la section de condensation et
    - un modulateur sensiblement tubulaire (2) qui est divisée par une paroi de séparation (2b) en une section inférieure (2c) reliée à la section de condensation (1b) et une section supérieure (2d) reliée à la section de sous-refroidissement (1d),
    - une conduite montante (4) entre les sections inférieure et supérieure du modulateur et
    - un récipient (7) pour l'agent de séchage au-dessous de la paroi de séparation (2b) dans la section inférieure (2c) du modulateur,
    - dans lequel le modulateur (2) est fourni avec un bouchon d'étanchéité (6) et la paroi de séparation (2b) avec le récipient pour l'agent de séchage (7) après desserrer le bouchon d'étanchéité est amovible du modulateur,
    caractérisé en ce que
    - de l'agent de séchage contenu dans un sac (7) est fixé de façon amovible à la conduite montante (4),
    - dans lequel le dispositif de fixation est un crochet (4a) fixé à la conduite montante (4) et le sac (7) est accroché au crochet (4a) fixé à la conduite montante (4).
  2. Condensateur selon la revendication 1, dans lequel la conduite montante (4) est reliée avec la paroi de séparation (2b).
  3. Condensateur selon la revendication 1, dans lequel un dispositif de préhension (2f) est relié avec la paroi de séparation (2b), par lequel, après l'enlèvement du bouchon d'étanchéité (6), la paroi de séparation (2b) peut être retirée du modulateur (2).
  4. Condensateur selon l'une des revendications précédentes, dans lequel à la paroi de séparation (2b) un joint d'étanchéité (20) est fourni qui avec la paroi de séparation peut être enlevé du modulateur.
  5. Condensateur selon l'une des revendications précédentes, dans lequel à l'extrémité inférieure de la conduite montante (4) ou dans la partie supérieure (2d) du modulateur, un filtre (5) est fourni à la conduite montante.
  6. Condensateur selon l'une des revendications précédentes, dans lequel au-dessus de la paroi de séparation (2b) un carter de filtre (50) est mis en place.
  7. Condensateur selon la revendication 6, dans lequel le carter de filtre (50) a sur son côté supérieur un dispositif d'engagement pour un outil (60) à retirer l'unité de remplacement constituée par le carter de filtre (50), la paroi de séparation (2b) et la conduite montante (4).
EP06754089.8A 2005-06-02 2006-06-02 Condensateur pour installation de climatisation Revoked EP1893926B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005025451A DE102005025451A1 (de) 2005-06-02 2005-06-02 Kondensator für eine Klimaanlage
PCT/EP2006/005295 WO2006128720A1 (fr) 2005-06-02 2006-06-02 Condensateur pour installation de climatisation

Publications (2)

Publication Number Publication Date
EP1893926A1 EP1893926A1 (fr) 2008-03-05
EP1893926B1 true EP1893926B1 (fr) 2016-08-10

Family

ID=36968874

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06754089.8A Revoked EP1893926B1 (fr) 2005-06-02 2006-06-02 Condensateur pour installation de climatisation

Country Status (6)

Country Link
US (1) US7836725B2 (fr)
EP (1) EP1893926B1 (fr)
JP (1) JP4743802B2 (fr)
KR (1) KR101324070B1 (fr)
DE (1) DE102005025451A1 (fr)
WO (1) WO2006128720A1 (fr)

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US10168085B2 (en) * 2011-03-09 2019-01-01 Mahle International Gmbh Condenser having a refrigerant reservoir assembly containing a desiccant bag
KR101771152B1 (ko) * 2011-06-23 2017-08-24 한온시스템 주식회사 응축기
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DE102013100884A1 (de) 2013-01-29 2014-09-18 Denso Corporation Interner Wärmetauscher mit Trocknungsmittel
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JP6460233B2 (ja) * 2015-05-26 2019-01-30 株式会社デンソー 凝縮器
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KR102140223B1 (ko) * 2015-09-24 2020-07-31 한온시스템 주식회사 응축기
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JP6696175B2 (ja) * 2015-12-28 2020-05-20 ユニオン昭和株式会社 コンデンサ
CN107796145A (zh) 2016-08-30 2018-03-13 株式会社京滨冷暖科技 冷凝器
JP6768460B2 (ja) 2016-11-15 2020-10-14 株式会社ケーヒン・サーマル・テクノロジー コンデンサ
JP2018100818A (ja) 2016-12-22 2018-06-28 株式会社デンソー 冷媒容器
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JP2008529877A (ja) 2008-08-07
KR101324070B1 (ko) 2013-10-31
EP1893926A1 (fr) 2008-03-05
DE102005025451A1 (de) 2006-12-07
KR20080031662A (ko) 2008-04-10
US20090288443A1 (en) 2009-11-26
US7836725B2 (en) 2010-11-23
WO2006128720A1 (fr) 2006-12-07
JP4743802B2 (ja) 2011-08-10

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